Search Results — 2000 specimen records retrieved (1967 records with coordinates)
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Results for search: Collector=Sanders;   

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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA553890  Abronia villosa A. C. Sanders 1991-5-2 10939 San Bernardino Twentynine Palms Marine Corps Base, SW corner of base, E of the intersection of Border Ave and Reche Rd., vicinity of tortoise study plots 823 Comment
  UCR41477  Acacia greggii A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6237 Imperial Sonoran (Colorado) Desert, Painted Gorge, 5.1 mi north of S-80 on Painted Gorge Road, c. 5 mi NE of Ocotillo 152 Comment
  UCR51073  Acacia longifolia A. C. Sanders 1988-3-17 7733 Los Angeles Pacific Coast, El Segundo Dunes, immediately west of the LA International airport and Pershing Dr., east of Vista Del Mar Blvd. 30 Comment
  SD259322  Acamptopappus sphaerocephalus A. C. Sanders, Jim Malusa 2016-3-16 42286 Imperial Chocolate Mountains, old Niland-Blythe road between Beal Well and Surveyors Pass. 561 Comment
  RSA505061  Acamptopappus sphaerocephalus var. sphaerocephalus A. C. Sanders, J. C. Lyman 1989-4-24 9051 San Bernardino Twentynine Palma Marine Corps base, Sunshine Peak Range in NW corner of the base, NW end of Lava Bed Mountains, near a shaft shown on topo graphic map of base. 1006 Comment
  UCD117043  Acer macrophyllum A. C. Sanders; P. MacKay 1994-7-10 14991 San Bernardino San Bernardino Mountains, mile post 23.07 on Hwy 138, 2.5 mi west of Barton Flats (at Jenks Lake Road) 1900 Comment
  RSA717495  Acer negundo A. C. Sanders, O. F. Clarke 1991-6-10 11122 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA746539  Acer negundo var. californicum A. C. Sanders, T. B. Salvato 2009-5-20 36852 Los Angeles San Gabriel Valley: Rio Hondo at Rancho Lujan, between Montebello and South El Monte, E side of San Gabriel Blvd., SE of Darlington St. intersection. 61 Comment
  SD233975  Acmispon argophyllus var. argophyllus A. C. Sanders, Cindy Burrascano, et al 2003-5-3 26454 San Diego Peninsular Range: Otay Mounter, lower Copper Canyon on the south side of the mountain ca. 0.25 km north of the Mexican border. 121 Comment
  OBI33578  Acmispon brachycarpus A. C. Sanders 1983-5-22 3809 San Bernardino Lanfair Valley, 3.4 mi E of Ivanpah rd on the dirt track toward the Piute Range; the eastward extension of Cedar Cyn Rd T12N R17E, sec 14 1143 Comment
  SD186200  Acmispon brachycarpus A. C. Sanders 1997-4-20 20546 Kern San Emigdio Ranch, along dirt road from San Emidgio Canyon south to Los Lobos Creek. 762 Comment
  UCD104082  Acmispon brachycarpus A. C. Sanders; Mark A. Elvin, et al. 2003-4-14 25960 Los Angeles NE end of Santa Susana Mtns. Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SBBG120096  Acmispon glaber A. C. Sanders, M. Provance 2003-4-2 25808 San Bernardino Colton Dunes, N of Santa Ana Ave and E of Riverside Ave, E side of the tank farm, S of Slover Ave 274 Comment
  SD173462  Acmispon glaber var. glaber Andrew C. Sanders 2004-7-9 28482 San Diego Palomar Mtn., DFG Plaisted Creek Ecological Reserve, NE of Rincon and Pauma Valley, between Plaisted Creek and Hwy 76, SE lobe of reserve in vicinity of residences abandoned in 1996 701 Comment
  OBI42799  Acmispon grandiflorus var. grandiflorus A. C. Sanders 1986-5-26 6513 San Bernardino Cajon Pass, Between San Bernardino and San Gabriel Mts. Cajon Summit, E side of I-15 just S of the Oak Hill Rd exit. SW 1/4 of Cajon N. UTM 10km cell: MJ-ON, 6E 1277 Comment
  SD129333  Acmispon nevadensis var. davidsonii A. C. Sanders, J. Lyman 1989-6-8 9099 San Bernardino San Bernardino Mountains, San Bernardino National Forest, mountain slopes west of Deep Creek & 2 miles west of Green Valley Lake, SW of Fisherman's Camp, along trail near top of ridge, in open areas 1798 Comment
  RSA680968  Adenostoma fasciculatum A. C. Sanders 2003-5-4 26550 San Diego Peninsular Range, San Ysidro Mtns.: Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail. 945 Comment
  SD173542  Adenostoma fasciculatum Andrew C. Sanders 2004-4-23 27614 San Diego Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons ca. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  SD173539  Adolphia californica Andrew C. Sanders 2004-4-23 27617 San Diego Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons ca. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  UCR83348  Aegilops cylindrica A. C. Sanders 1994-6-26 14933 San Bernardino San Bernardino Mtns, Waters Rd., just west of Fernwood Dr. at Cedarpines Park 1325 Comment
  UCR93617  Aegilops cylindrica A. C. Sanders, P. MacKay, et al 1996-6-16 18198 San Bernardino San Bernardino Mtns, Waters Road between Crestline and Cedarpines Park, just west of Fernwood Dr. 1311 Comment
  UCR130781  Aesculus californica A. C. Sanders, K. D. Jones, D. Malueg, T. Rado 1999-5-18 22758 Kern Tejon Ranch, Grapevine Creek Canyon, section of creek SW of I-5, below Ft. Tejon State Historic Park, 1.25 mi. due south of Grapevine Peak 838 Comment
  UCR193735  Agoseris heterophylla A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35652 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  VVC869  Agoseris retrorsa A. C. Sanders, J. Mac 1994-6-12 14763 San Bernardino San Bernardino Mtns, Cleghorn Ridge, along Forest Service Road 2N47 between F.S. Rd 3N22 and Hwy 138, near Silverwood Lake 1433 Comment
  UCR239463  Agrostis stolonifera A. C. Sanders 2011-7-21 39839 San Bernardino San Bernardino Mtns., Big Bear Valley between Big Bear Lake (Hwy 18) and Moonridge, Rathbone Creek, 10 acre parcel between Moonridge Rd. and the golf course, east of Club View Dr. 2116 Comment
  UCR114860  Agrostis viridis A. C. Sanders, G. F. Pratt, C. Pierce, G. R. Ballmer, R. Mattoni 1997-6-21 20792 Inyo Northern Mojave Desert, China Lake Naval Weapons Center, Coso Range at Coso Springs, site of Coso mining town 1768 Comment
  UCR264239  Allionia incarnata A. C. Sanders, Jim Malusa 2015-9-10 41846 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCR228840  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  SBBG133862  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 Riverside S side of Alberhill Mtn in vicinity of Durant Siding and Terra Cotta, near Nichols Rd and extension toward Lake St 390 Comment
  UCR133100  Allium roseum A. C. Sanders 1999-4-28 22709 B Riverside Riverside, UCR Botanic garden 351 Comment
  CDA7116  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside Yard of residence at 5081 Magnolia Ave, corner of Chapman Place, Riverside. Comment
  UCR193986  Allophyllum A. C. Sanders 2008-7-25 35922 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  UCR272801  Allophyllum gilioides A. C. Sanders, Robin Kinmont 2015-5-4 41627 Kern Tehachapi Mtns. Region, Brite Valley c. 10 km (airline) west of Tehachapi, along Cummings Valley Rd., NE of Cummings Valley 1248 Comment
  RSA484740  Alnus rhombifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8726 Riverside Pinyon Flats, Santa Rosa Mountains, along Horsethief Creek where the trail from Dolomite Mine crosses. 1100 Comment
  SD237354  Alnus rhombifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37074 Los Angeles San Gabriel Valley: Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery. 63 Comment
  RSA751256  Amaranthus blitoides A. C. Sanders, Fred M. Roberts 2008-7-16 35880 Orange Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 358 Comment
  UCR193848  Amaranthus blitoides A. C. Sanders, Fred M. Roberts 2008-7-16 35880 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 370 Comment
  UCR118769  Amaranthus deflexus A. C. Sanders 2000-7-8 23529 Stanislaus San Joaquin Valley, near Ceres and Turlock, 2 miles WSW of Keyes, 6524 Moffett Rd., near lateral canal #3, c. 1/2 mile south of Keyes Rd. 24 Comment
  UCR26362  Amaranthus deflexus A. C. Sanders 1981-8-24 2323 Ventura South Coast, Oxnard, near intersection of Hwy 1 and Pleasant Valley Road, SE of town 15 Comment
  SD132431  Amaranthus fimbriatus A. C. Sanders, E. J. Lawlor & P. Cohen 1990-10-13 10208 San Bernardino Granite Cove area, Granite Mountains, eastern Mojave Desert 1160 Comment
  SEINET3196430 Image available Amaranthus fimbriatus A. C. Sanders, Mark A. Elvin, Tim Thomas 2007-10-5 34377 San Bernardino Central Mojave Desert; Ord Mountains, at Sweetwater Spring (Ord Mountain 7.5' Q) 1463 Comment
  SEINET3245815  Amaranthus fimbriatus A. C. Sanders, Mark A. Elvin, Tim Thomas 2007-1 34377 San Bernardino Central Mojave Desert: Ord Mountains, at Sweetwater Spring. 1463 Comment
  UCR34762  Amaranthus fimbriatus A. C. Sanders, F. C. Vasek, G. K. Helmkamp 1982-9-9 2938 San Bernardino Eastern Mojave Desert, Old Woman Mountains, 1.8 mi north of Sunflower Spring on the road to Essex, 2.6 mi south of Colton Wash 915 Comment
  UCR127380  Amaranthus hybridus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25549 Los Angeles Santa Clara River Valley, north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  UCR174334  Amaranthus retroflexus A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23169 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UC2047211  Ambrosia acanthicarpa A. C. Sanders with Sandra L. Leatherman, Jeff Crain 2015-5-18 41712 Riverside Temescal Valley near Glen Ivy, along Temescal Canyon Road at Campbell Ranch Road intersection. Lake Mathews 7.5' Quad. Comment
  UCR34357  Ambrosia acanthicarpa A. C. Sanders, N. M. Fellows 1983-10-12 4001 San Bernardino Mojave Desert/ Little San Bernardino Mtns., Big Morongo Preserve of the Nature Conservancy in Big Morongo Canyon, south of town of Morongo Valley 795 Comment
  VVC1542  Ambrosia acanthicarpa A. C. Sanders, PJ MacKay, Tim Thomas 2004-10-17 28937 San Bernardino Southern Mojave Desert, Johnson Valley, wash below Ruby Canyon in the Bighorn Mtns., above Old Woman Springs Rd. 0.1 mi. west of Valley Vista Rd. 921 Comment
  UCR45038  Ambrosia chamissonis A. C. Sanders 1986-7-30 6824 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  UCR30838  Ambrosia dumosa A. C. Sanders 1983-6-11 3840 San Bernardino Eastern Mojave Desert, Winters Pass, Mesquite Mts, 40 air mi. NE of Baker 1223 Comment
  CAS-BOT-BC126772  Ambrosia eriocentra A. C. Sanders; A. Howald; Florence Caplow; et al 2010-5-3 38224 San Bernardino Eastern Mojave Desert: Ivanpah Valley, slopes below Clark Mountain, proposed utility corridor from dirt road (at given coordinates) north to Kern gas pipeline corridor scar 930 Comment
  UCR214447  Ambrosia eriocentra A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-3 38224 San Bernardino Eastern Mojave Desert, Ivanpah Valley, alluvial slopes below Clark Mountain, proposed utility corridor from dirt road (at given coordinates) north to Kern gas pipeline corridor scar 930 Comment
  UCR234452  Ambrosia eriocentra A. C. Sanders, Ann Howald, Chloe Scott, Onkar Singh, Bill Clark, Eve Laeger, Florence Caplow, Josh Utter 2012-4-19 40071 San Bernardino Eastern Mojave Desert, along Kingston Wash Road, 4.5 miles SW of intersection with Excelsior Mine Road 920 Comment
  SD167299  Ambrosia psilostachya Andrew C. Sanders 2005-9-9 31626 San Diego Batiquitos Lagoon Ecological Reserve, Leucadia, SW side near I-5 and La Costa Ave. 0 Comment
  UCR195701  Ambrosia psilostachya A. C. Sanders, Fred M. Roberts 2008-8-7 35990 Orange Peninsular Range; Santa Ana Mtns., lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate 192 Comment
  VVC14  Ambrosia psilostachya A. C. Sanders, J. Mac 1996-10-20 19620 San Bernardino San Bernardino Mtns., Cajon Canyon, along Pacific Crest Trail/old highway from Cajon Junction to mouth of Crowder Canyon. 945 Comment
  UCR110879  Ambrosia salsola A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21991 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  SD140115  Amorpha californica var. californica A. C. Sanders, E. J. Lott 1993-5-20 14074 San Bernardino Yucaipa, alluvial fan at the SW foot of Yucaipa Ridge, NE corner of the intersection of Carter & Spring Streets, 2 miles east of Bryant street on Carter, highly disturbed chaparral,cleared,used for pasture,in a gully through the central part of the parcel 1000 Comment
  UCR119435  Amorpha fruticosa A. C. Sanders, Mitch Provance 1999-9-26 23089 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR225498  Amsinckia A. C. Sanders, Chloe Scott, Bill Clark, Josh Utter, Eve Laeger 2011-5-5 39446 Inyo NE Mojave Desert, Pahrump Valley, along dirt road at north edge of Pahrump Dry Lake, SW of Pahrump 767 Comment
  UCR263235  Amsinckia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41455 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  RSA0089448  Amsinckia intermedia A. C. Sanders, Fred M. Roberts 2008-4-8 34755 Orange Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Loma Ridge Spur Rd., above Dripping Springs Loop Rd. 457 Comment
  UCR86649  Amsinckia intermedia A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16266 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR187231  Amsinckia retrorsa A. C. Sanders 2006-4-25 32190 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  UCR225425  Amsinckia retrorsa A. C. Sanders, Ann Howald, O. Singh, B. Elliott, E. Laeger, C. Scott, B. Clark, et al 2011-4-22 39302 Inyo NE Mojave Desert, southern Pahrump Valley, 100 m north of Moon Path Ln., SE of Calvada Springs, 2.25 km west of the NV state line, 3.25 km east of Rose Av. 817 Comment
  IRVC26413  Amsinckia tessellata A. C. Sanders, Mark Elvin 2003-4-5 25861 San Bernardino UC Burns Pinyon Ridge Reserve, off Skyline Ranch Rd. ca. 2 miles (air) ESE of Pinoneertown, 1.5 mi. (air) NW of Yucca Valley, between front gate and reserve headquarters at old Burns home. Little San Bernardino Mountains 1250 Comment
  UCR155645  Amsinckia tessellata A. C. Sanders, T. B. Salvato 2005-4-26 29676 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UCR213596  Amsinckia tessellata A. C. Sanders, Florence Caplow 2010-5-5 38329 San Bernardino Eastern Mojave Desert, Ivanpah Valley, north of limestone hill emerging from alluvium below Clark Mountain, toward dirt road from Primm, NV, 6.4 km NW (296 deg. ) of Primm Valley Golf Club, 8 km W of I-15 1021 Comment
  UCR49738  Amsinckia tessellata A. C. Sanders 1987-4-4 6990 San Bernardino Eastern Mojave Desert, Hart Mine, SW end of Castle Mountains 1375 Comment
  SD173537  Anagallis arvensis Andrew C. Sanders 2004-4-23 27633 San Diego Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons ca. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  SD193344  Anagallis arvensis A. C. Sanders 2004-5-7 27790 San Diego Carlsbad, Agua Hedionda Ecological Reserve, near Laguna Riviera Park. 2 Comment
  UCR154203  Anagallis arvensis A. C. Sanders 2005-6-2 30429 San Diego Peninsular Range, Palomar Mtn., Plaisted Creek Ecological Reserve, NE of Rincon & Pauma Valley, between Plaisted Cr. and Hwy 76, SE lobe of reserve near residences abandoned in 1996 793 Comment
  UCR174344  Anagallis arvensis A. C. Sanders 2006-5-19 32399 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SD186063  Ancistrocarphus filagineus A. C. Sanders 1997-4-20 20543 Kern San Emigdio Ranch, along dirt road from San Emidgio Canyon, south to Los Lobos Creek. 762 Comment
  UCR173931  Ancistrocarphus filagineus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32563 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 587 Comment
  RSA653194  Andropogon glomeratus A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, et al. 1996-11-23 19657 Riverside San Bernardino Mountains.: Whitewater Canyon, just above Bonnie Bell, 2.3 miles below stream crossing near fish hatchery, E of VAMB Captain, 33 deg 57'N, 116 deg 38.5'W [UTM 10km cell: 11S NH-3E, 5N Whitewater] 534 Comment
  UCR184124  Androsace elongata subsp. acuta A. C. Sanders, T. B. Salvato 2007-4-24 33483 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  SD193359  Anemopsis californica A. C. Sanders 2004-5-7 27808 San Diego Carlsbad, Agua Hedionda Ecological Reserve, near Laguna Riviera Park. 2 Comment
  UCR174515  Anemopsis californica A. C. Sanders, John F. Green 2006-5-18 32377 Riverside Peninsular Range, French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  UCR83730  Angelica tomentosa A. C. Sanders, P. MacKay 1994-6-19 14845 San Bernardino San Bernardino Mtns., lower Miller Canyon (E fork of W fork of Mojave River), below Pilot Rock Camp 1128 Comment
  SD212466  Anthemis cotula Andrew C. Sanders 2005-6-24 31228 San Diego San Dieguito Lagoon Ecological Reserve (DFG), north edge of reserve along Palm Lane (closed/abandoned) east of San Dieguito Dr. near old airport site Quad: Del Mar 7.5A Q. Comment
  RSA497619  Anthriscus caucalis A. C. Sanders, B. Pitzer 1968-4-15 7781 San Bernardino Cajon Pass area, alluvial fan at the mouth of Devil Canyon, NW of San Bernardino State College, SW of bench mark 1750. 500 Comment
  UCR155642  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato 2005-4-26 29690 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UCR192725  Antirrhinum coulterianum A. C. Sanders, Fred M. Roberts 2008-5-6 35225 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hicks Canyon, just above tollway (Hwy 241) crossing on Irvine Haul Rd., near debris basin 216 Comment
  UCR87622  Antirrhinum coulterianum A. C. Sanders 1994-5-30 14615 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR191341  Antirrhinum kelloggii A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34618 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 290 Comment
  UCR114185  Antirrhinum multiflorum A. C. Sanders, D. Malueg 1998-6-24 22056 Los Angeles San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  UCR230217  Apiastrum angustifolium A. C. Sanders 2011-4-6 38981 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR250311  Apiastrum angustifolium A. C. Sanders 2014-4-8 40976 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  RSA487821  Apocynum cannabinum A. C. Sanders 1988-11-6 8754 Imperial Imperial Valley between Brawley & Westmorland, east side of Hwy 86 at intersection with Kalin Rd. and Tamarack Canal crossing, 1.6 mi. NW of New River crossing at Brawley -34 Comment
  UCR54046  Apocynum cannabinum A. C. Sanders 1988-11-6 8754 Imperial Sonoran (Colorado) Desert, Imperial Valley between Brawley & Westmorland, east side of Hwy 86 at intersection with Kalin Rd. and Tamarack Canal crossing, 1.6 mi. NW of New River crossing at Brawley -34 Comment
  SD178086  Aptenia cordifolia Andrew C. Sanders 2004-6-18 28195 San Diego South Coast, Carlsbad, Agua Hedionda Ecological Reserve, along Park St. at bend near Laguna Riviera Park. On roadside. Edge of marsh. (IPB 11/07) 6 Comment
  UCR176930  Arabis A. C. Sanders, E. J. Lawlor, P. J. MacKay, C. L. Sanders, et al. 1995-6-24 17362 San Bernardino San Bernardino Mtns, Barton Flats area, Hathaway Flat along Glass Road, near Barton Creek 1829 Comment
  UCR187146  Arabis A. C. Sanders 2006-5-16 32311 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR118754  Arabis glabra A. C. Sanders 2000-7-9 23560 Madera Sierra Nevada Mtns., NE shore of Bass Lake, along the 'inland' highway from Bass Lake (community) to The Falls on North Fork of Willow Creek 1067 Comment
  RSA518920  Arabis pulchra A. C. Sanders, J. C. Lyman 1989-5-24 9093 San Bernardino S of Broom Flat, 2 miles (airline) N of Onyx Summit; off Forest Service road 2N01. Comment
  UCR87917  Arabis pulchra A. C. Sanders, S. D. White, P. J. MacKay 1994-6-3 14660 San Bernardino San Bernardino Mtns, Pleuss-Staufer limestone mine on the ridgetop above (E of) the head of Crystal Creek, N slope of the mountains above Lucerne Valley 2150 Comment
  UCR101561  Arceuthobium occidentale A. C. Sanders, Steve Boyd, Val Soza 1998-10-30 22305 Kern SE Sierra Nevada Mtns., Kelso Valley area, Jawbone Canyon Road, small creek crossing 2.1 mi. SW of Kelso Valley Road 1238 Comment
  UCR278159  Arctostaphylos A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42669 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  UCR277896  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42674 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  UCR92451  Arctostaphylos glandulosa A. C. Sanders, P. J. MacKay, C. L. Sanders 1996-5-5 18158 San Bernardino San Bernardino Mtns, along trail (old road) west of Cleghorn Pass, less than 1 mi. SW of Cleghorn Mtn 1341 Comment
  VVC1156  Arctostaphylos patula subsp. platyphylla A. C. Sanders 1994-6-6 14695 San Bernardino San Bernardino Mtns, Heart Bar Area, ca. 3 mi from the end of Fish Creek Road (1N05) 2500 Comment
  UCR17860  Arenaria congesta A. C. Sanders 1976-4-28 266 San Bernardino Eastern Mojave Desert, near the summit of the New York Mtns., above Caruthers Canyon and Giant Ledge Mine 2195 Comment
  UCR26473  Arenaria kingii A. C. Sanders 1981-8-2 2242 Mono Sierra Nevada Mtns., SE of the dam that forms Ellery Lake, north side of the Dana Plateau 3049 Comment
  SEINET235869  Arenaria macradenia A. C. Sanders, S. Myers; P. MacKay 1994-5-27 14496 San Bernardino San Bernardino Mtns: lower Furnace Canyon on the N slope of the mountains above Lucerne Valley. 1500 Comment
  UCR214059  Arenaria pusilla A. C. Sanders 2010-4-6 37773 Kern Southern Foothills of Tehachapi Mountains, eastern fork of Little Sycamore Canyon, N of Calif. Aqueduct Tehachapi Afterbay, 0.8 km NE (49 deg. ) of VABM 'Cow 994 Comment
  CAS-BOT-BC172756  Argythamnia neomexicana A. C. Sanders; Mitch Provance; Petra Wester 2004-5-30 28087 San Bernardino Mojave Desert: SE end of Bristol Mountains, 4 miles ENE of Amboy 300 Comment
  SEINET1906699  Aristida purpurea A. C. Sanders, G. Helmkamp, P. MAcKay 1995-1 16181 Riverside coachella Valley/ San Jacinto Mtns. Foothills: Chino Canyon near the Palm Springs tram station. 792 Comment
  UCR188178  Aristida purpurea A. C. Sanders, Mark A. Elvin, Tim Thomas 2007-10-5 34346 San Bernardino Central Mojave Desert, Ord Mountains, south of Tyler Valley, above gas line road extension of Harrod Rd. from south/ Ord Mtn. Rd from the north, west slope of hill 4835 1433 Comment
  UCR98757  Aristida purpurea var. parishii A. C. Sanders, P. MacKay, A. Knapp, D & S. Kaufman 1995-4-9 16456 San Bernardino Mojave Desert, Stoddard Ridge at pipeline crossing near Traer Agua Canyon, c. 18 mi SSE of Barstow 1240 Comment
  UCR51542  Aristida purpurea var. wrightii A. C. Sanders 1987-2-13 6977 San Diego Sonoran (Colorado) Desert/Peninsular Range, Jacumba Mtns. area, near boundary between BLM land and Anza-Borrego State Park, Carrizo Gorge. c. 0.5 mi beyond the end of the jeep road 305 Comment
  SD167297  Artemisia californica Andrew C. Sanders 2005-10-19 31905 San Diego Palomar Mtn., DFG Plaisted Creek Ecological Reserve, NE of Rincon and Pauma Valley, between Plaisted Creek and Hwy 76, N of area of former residences and S of Plaisted Cr. 793 Comment
  SD173373  Artemisia californica Andrew C. Sanders 2004-10-15 28872 San Diego San Elijo Lagoon Ecological Reserve (DFG), north end of Santa Helena Dr., 0.5 mi. west of El Camino Real, south of upper end of lagoon 11 Comment
  SD185120  Artemisia californica Andrew C. Sanders 2005-10-12 31832 San Diego Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons ca. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  UCR162391  Artemisia californica A. C. Sanders, T. B. Salvato 2005-10-14 31887 San Diego Peninsular Range, Boden Canyon Ecological Reserve (DFG), tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along the road between Santa Ysabel Creek and the pond (reservoir) in middle DFG parcel, W & SW foot of Orosco Ridge 335 Comment
  UCR206790  Artemisia douglasiana A. C. Sanders, Fred M. Roberts 2008-9-18 36075 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 330 Comment
  UCR140311  Artemisia dracunculus A. C. Sanders 2004-4-9 27466 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  UCR139262  Artemisia nova A. C. Sanders, James L. Reveal 2001-7-23 24466 San Bernardino San Bernardino Mtns., City of Big Bear Lake, Alden Rd., east side of road near a trailer park, south side of Big Bear Lake itself 2085 Comment
  UCR155926  Artemisia palmeri A. C. Sanders 2005-4-8 29387 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, just north of Leucadia, north side of the lagoon on east side of the I-5 Fwy 6 Comment
  RSA601374  Arundo donax A. C. Sanders 1996-10-2 19598 San Bernardino Yucaipa, between Avenues ''E'' & ''F'', east from Wilson Creek channel to top of slope., (34 deg 1.5'N, 117 deg 5'W) 655 Comment
  SEINET10389816  Asclepias albicans A. C. Sanders, Jim Malusa 2015-9-8 41817 Imperial c. 1.5 miles NE of the SE edge of Chocolate Mountains Aerial Gunnery Range, along Dietz Rd. 1.6 miles west of Midway Well Rd., Milpitas Wash watershed 261 Comment
  UCR261493  Asclepias californica A. C. Sanders, Robin Kinmont 2015-5-4 41617 Kern Tehachapi Mtns. Region, Brite Valley c. 10 km (airline) west of Tehachapi, near 90 deg. bend in Hwy 202 above Cummings Valley Rd., NE of Cummings Valley 1271 Comment
  UCR194084  Asclepias curassavica A. C. Sanders, Dan S. Cooper 2008-1-11 34417 Los Angeles South Coast; Los Angeles Basin, Long Beach, El Dorado Park, near 605 Fwy, Willow St. and the San Gabriel River 1 Comment
  RSA0104738  Asclepias eriocarpa A. C. Sanders, Fred M. Roberts 2008-7-3 35672 Orange Weir Canyon, off Windy Ridge Rd. below saddle on ridge above the Eastern Transportation Corridor. 365 Comment
  UCR193857  Asclepias eriocarpa A. C. Sanders, Mitch Provance 2008-7-11 35822 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  SEINET10389815  Asclepias erosa A. C. Sanders, Jim Malusa 2015-9-8 41815 Imperial eastern edge of Chocolate Mountains Aerial Gunnery Range, Skyline Dr., 1.5 miles north of Dietz Rd./Camp Burt, SE of Little Mule Mtns. 307 Comment
  IRVC28677  Asclepias fascicularis A. C. Sanders, Mark Elvin 2002-6-18 25118 Los Angeles Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park NE end of Santa Susana Mtns. 366 Comment
  IRVC28693  Asclepias fascicularis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25471 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  SD146048  Asclepias fascicularis A. C. Sanders, Pam MacKay and Tim Thomas 1999-8-14 23036 San Bernardino Southern Mojave Desert; west edge of Rabbit Springs, northwest of Lucerne Valley. 881 Comment
  UCR109799  Asclepias fascicularis A. C. Sanders, G. F. Pratt, C. Pierce, G. R. Ballmer, R. Mattoni 1997-6-22 20808 Inyo Northern Mojave Desert, China Lake Naval Weapons Center, Coso Range at Mariposa Spring, 2.25 mi. ENE of Silver Peak 1890 Comment
  UCR187258  Asclepias fascicularis A. C. Sanders 2007-6-27 34231 Kern Tehachapi Mtns., divide between heads of Dry Field and Oso canyons, c. 2 miles east of Castac Lake and 3.5 miles NE of Gorman, c. 1 mile north of the Los Angeles Co. line near the powerline route 1311 Comment
  SD250421  Asclepias subulata A. C. Sanders, Jim Malusa 2015-9-7 41807 Imperial Sonoran (Colorado) Desert: Chocolate Mountains Aerial Gunnery Range, c. 5.5 miles due west of the S end of the Little Mule Mnts, along the road from Camp Burt to new target at Invader, wash crossing near road jct. to Salvation Pass (Pegleg Pass 7.5'Q) 401 Comment
  CAS-BOT-BC482884  Asphodelus fistulosus A. C. Sanders; Mitch Provance 1998-7-2 22088 Ventura Moorpark hills S of Tierra Rejada Valley, along Read Rd. ca. 1/2 mi. E of Moorpark Rd., just W of Hwy 23, ca. 1 mile NW of Wood Ranch Reservoir, ca. 2 mi. NE of Thousand Oaks 335 Comment
  RSA653489  Asphodelus fistulosus A. C. Sanders, Mitch Provance 1998-7-2 22088 Ventura Moorpark: hills S of Tierra Rejada Valley, along Read Rd. ca. 1/2 mile E of Moorpark Rd., just W of Hwy 23, ca. 1 mile NW of Wood Ranch Reservoir, ca. 2 mi. NE of Thousand Oaks 209 Comment
  SD146106  Asphodelus fistulosus A. C. Sanders, Mitch Provance 1998-7-2 22088 Ventura Moorpark,hills S of Tierra Rejada Valley,along Read Rd,ca. I(c) mile E of Moorpark Rd,just W of Hwy 23,ca. 1 mi NW of Wood Ranch Reservoir,ca. 2 mi NE of Thousand Oaks;Thousand Oaks 7.5' quad. In open grassland edge of abandoned cherimola planting. 209 Comment
  SD260887  Aster Andrew C. Sanders, P. J. MacKay, Scott D. White, C. L. Snders 1994-9-18 15704 San Bernardino Clark's Ranch (site) along the Seven Pines Rd, ca 0.25 km E of Deer Creek, Santa Ana River Canyon (Big Bear Lake 7.5'Q) 1494 Comment
  UCR166214  Aster A. C. Sanders 1994-8-7 15251 San Bernardino San Bernardino Mtns., upper (eastern) end of Bluff Lake Meadow, south of Big Bear Lake 2340 Comment
  UCR166222  Aster A. C. Sanders, P. J. MacKay, Scott D. White, C. L. Sanders 1994-9-18 15662 San Bernardino San Bernardino Mtns, upper Santa Ana River along the Seven Oaks Road (1N45), 1 mi. below Hwy 38 at South Fork Campground, 0.1 mi above the first river crossing 1890 Comment
  UCR93667  Aster A. C. Sanders, Bramlet, Jacobsmyer & Spilman 1996-8-17 19454 San Bernardino San Bernardino Mtns, south edge of Big Pine Flat, 0.3 mi. from Forest Service road 3N14 at Big Pine Flat on road from Green Valley Lake 2073 Comment
  UCR20489  Astragalus calycosus A. C. Sanders 1978-5-7 00306 Inyo Northern Mojave Desert, Panamint Mountains, 2.3 mi. SW of Towne Pass on Hwy 190 1280 Comment
  SD186191  Astragalus didymocarpus A. C. Sanders, Tricia Wotipka 2003-5-14 26657 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles County line. 351 Comment
  UCR126875  Astragalus didymocarpus A. C. Sanders 2003-4-29 26176 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  UCR153326  Astragalus didymocarpus A. C. Sanders, T. B. Salvato 2005-4-26 29732 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines 610 Comment
  HSC104185  Astragalus douglasii A. C. Sanders, T. B. Salvato 2014-7-2 41162 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  UCR50995  Astragalus douglasii A. C. Sanders, E. J. Lawlor 1988-4-3 7750 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  CAS-BOT-BC186905  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37392 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR20591  Astragalus nuttallianus A. C. Sanders 1978-5-6 00321 San Bernardino Northeastern Mojave Desert, east end Kingston Range, 11.7 mi NW of Kingston Rd (= Winters Pass Rd) on Excelsior Mine Rd Comment
  UCR41482  Astragalus palmeri A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright 1986-3-10 6303 Imperial Peninsular Range/ Sonoran (Colorado) Desert, South side of old highway at Mountain Springs Road exit from Hwy I-8, c. 1/3 mile east of town of Mountain Springs, at head of Myer Creek 673 Comment
  RSA643679  Astragalus pomonensis A. C. Sanders, J. C. Lyman 1995-4-17 16575 San Bernardino San Bernardino Valley: Loma Linda Hills, Scott Canyon and the ridge to the north, S end of Bryn Mawr Ave. 426 Comment
  RSA793922  Astragalus preussii var. preussii A. C. Sanders, Russell Kokx, Onkar Singh 2010-10-27 38669 Inyo Pahrump Valley, c. 4.7 km NW (303 deg ) of Calvada Springs, SW of intersection of Opal St. and Ave. C, c. 4.5 km SE of dry lake 783 Comment
  UCR225111  Astragalus preussii var. preussii A. C. Sanders, Ann Howald 2011-4-19 39191 Inyo NE Mojave Desert, Pahrump Valley at Calvada Springs, Ave. 'D' between Zircon and Topaz streets, 1 mile north of Old Spanish Trail Hwy 800 Comment
  UCR241135  Astragalus preussii var. preussii A. C. Sanders, Ann Howald, Onkar Singh, Amy Hiss 2013-3-12 40603 San Bernardino NE Mojave Desert, Mesquite Valley, NW of Mesquite Dry Lake, Mesquite Pass Rd. near Cub Lee Well and intersection with Palm Rd. at south end of Gehring Rd., south of Sandy Valley, NV 779 Comment
  UCR241142  Astragalus preussii var. preussii A. C. Sanders, Ann Howald, Onkar Singh, Amy Hiss 2013-3-12 40611 San Bernardino NE Mojave Desert, Mesquite Valley, along dirt road between Texas Lane and Mesquite Pass Rd., 0.51 km NE of Texas Ln. 787 Comment
  CAS-BOT-BC257785  Astragalus tidestromii A. C. Sanders; Ann Howald 2011-4-11 39046 Inyo NE Mojave Desert: Pahrump Valley, along stateline road (dirt) c. 2.2 miles NW of Old Spanish Trail Hwy 808 Comment
  UCR225117  Astragalus tidestromii A. C. Sanders, Onkar Singh 2011-5-3 39399 Inyo NE Mojave Desert, southern Pahrump Valley, WSW of Calvada Springs, west of Aster Way c. 1.1 km south of Old Spanish Trail Hwy, vicinity of Mabel Ln. and Shirley Ln. 802 Comment
  UCR234261  Astragalus tidestromii A. C. Sanders, Ann Howald, Chloe Scott, Onkar Singh, Bill Clark, Russell Kokx, Eve Laeger, Florence Caplow 2012-4-16 40043 San Bernardino Eastern Mojave Desert, 3.0 miles north of I-15 Fwy on Excelsior Mine Rd. 1206 Comment
  UCR241145  Astragalus tidestromii A. C. Sanders, Ann Howald, Onkar Singh 2013-3-13 40615 Inyo NE Mojave Desert, southern Pahrump Valley, c. 0.2 km west of Nevada state line along East Crystal Rd. (dirt), east of Gold St. & south of Ave. E, 3 km NE (78 deg. ) of Calvada Springs 817 Comment
  UCR112652  Athyrium filix-femina A. C. Sanders 1994-7-31 15201 San Bernardino San Bernardino Mtns., Sawpit Canyon above the crossing of FS Road 2N59, south of Silverwood Lake. 1170 Comment
  UCR112856  Athysanus pusillus A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, T. Ross 1997-4-12 20388 Kern Hills S of San Joaquin Valley, San Emigdio Ranch, 5 km (air) north of Antimony Peak on dirt road, SE of Bench Mark 4070 1220 Comment
  UCR214205  Athysanus unilateralis A. C. Sanders 2010-4-6 37764 Kern Southern Foothills of Tehachapi Mountains, mesa between mouths of Little Sycamore and Big Sycamore canyons, N of Calif. Aqueduct Tehachapi Afterbay, 10 km NE (38 deg. ) of Quail Lake 1027 Comment
  SEINET3011926 Image available Atrichoseris platyphylla A. C. Sanders, Fred M. Roberts, Katy Beck, Eve Lawger, et al. 2009-1 36628 San Bernardino Mojave Desert: Cady Mountains, along powerline road NW of Sleeping Beauty Mtn., 3 mile section of road NE of summit of pass from Pisgah area (Sleeping Beauty 7.5 Q.). 640 Comment
  VVC1116  Atriplex californica A. C. Sanders, J. Mac 1998-10-17 22267 Orange Coastal flats, Bolsa Chica, near Bolsa Bay, south of Warner Ave., E of the Pacific Coast Highway .3 Comment
  SEINET13387047 Image available Atriplex canescens var. macilenta A. C. Sanders 2010-1 37263 Imperial Sonoran (Colorado) Desert: Salton Trough: SW side of Hwy 111 at Niland Marina Rd., dry upper edge of Salton Sea, at near Frink bench mark (Frink 7.5' Q.) -51 Comment
  UCR212918  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37589 Imperial Sonoran (Colorado) Desert; Salton Trough, Imperial Valley, English Road above Wilkins Rd., c. 5 mi. NNW of Niland -16 Comment
  UCR214486  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37622 Imperial Sonoran (Colorado) Desert; Salton Trough, east side of the Salton Sea, Hot Mineral Spa Road 2.1 mi above Hwy 111, 4.5 miles NE (36 deg. ) of Bombay Beach -39 Comment
  UCR214495  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37611 Imperial Sonoran (Colorado) Desert; Salton Trough, east side of the Salton Sea, Luento Wash at Hwy 111, north of Frink, between hwy and RR tracks -57 Comment
  SEINET3930852  Atriplex canescens var. macilenta Stewart C. Sanderson 1993-11-18 93 -035 San Bernardino Danby Dry Lake, 10 mi. NW of Rice.; 0 Comment
  RSA563994  Atriplex confertifolia A. C. Sanders, E. J. Lawlor, E. J. Lott, T. Atkinson 1993-5-29 14106 San Bernardino Mojave Desert: Newberry Springs, along National Trails Hwy. between Mountain View Rd. and Newberry Rd., vicinity of dried springs ca. 0.3 mi. E of Mountain View Rd. 600 Comment
  VVC1445  Atriplex confertifolia A. C. Sanders, J. Mac 1999-8-14 23040 San Bernardino Southern Mojave Desert, W edge of Rabbit Springs, NW of Lucerne Valley 881 Comment
  CAS-BOT-BC172601  Atriplex coronata A. C. Sanders 2010-7-3 38528 Kings San Joaquin Valley: Tulare Lake bed, Nevada Ave. 6.7 miles east of the Avenall Cutoff, 1 km (0.6 mi.) W of Hwy 41, 83 km SW (226 deg. ) of Stratford 63 Comment
  RSA0013398  Atriplex elegans var. elegans A. C. Sanders, John F. Green 2012-6-25 40307 Riverside Temescal Canyon near I-15 crossing of Temescal Canyon Rd. and Temescal Creek, c. 2.6 km SE of Lee (Corona) Lake 361 Comment
  UCR191240  Atriplex glauca A. C. Sanders 2008-4-29 35139 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir 335 Comment
  UCR205521  Atriplex glauca A. C. Sanders, T. B. Salvato 2009-5-19 36812 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  SD237405  Atriplex hymenelytra A. C. Sanders 2010-10-27 38680 Inyo Northeastern Mojave Desert: Emigrant Pass over the south end of the Nopah Range, along Old Spanish Trail Hwy. 875 Comment
  UCR126139  Atriplex lentiformis A. C. Sanders, Mitch Provance 1999-6-28 22920 Ventura Simi Valley, Marr Ranch, between Tapo and Chivo Canyons, c. 2 miles north of Santa Susana 396 Comment
  UCR158964  Atriplex lentiformis A. C. Sanders 2005-6-24 31215 San Diego South Coast, San Dieguito Lagoon Ecological Reserve (DFG), north edge of reserve along Palm Lane (closed/abandoned) east of San Dieguito Dr. near old airport site 2 Comment
  SEINET4135315  Atriplex linearis Stewart C. Sanderson 1993-11-18 93 -040 Riverside Mile 6, CA 11, Salton Sea, beaches turnoff.; 0 Comment
  UCR254110  Atriplex longitrichoma A. C. Sanders, Ann Howald, Chloe Scott, Bill Clark, Josh Utter 2011-5-6 39488 Inyo NE Mojave Desert, Chicago Valley, on dirt road toward Twelvemile Spring, off Chicago Valley Rd. east of Hwy 178, 10 km NE (63 deg. ) of Shoshone 652 Comment
  SD239699  Atriplex parryi A. C. Sanders 2012-9-22 38631 Inyo Northeastern Mojave Desert: c. 1 mile west of Tecopa on Old Spanish Trail Hwy, 2 miles east of junction with Hwy 127 to Baker (Tecopa 7.5'Q) 416 Comment
  SEINET4135525  Atriplex polycarpa S. Sanderson 1994-2-25 94 -012 Imperial CA 78-86 jct., 15 miles south of Salton City.; 0 Comment
  UCR242072  Atriplex polycarpa A. C. Sanders, T. B. Salvato, Tim Thomas 2012-10-31 40487 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench south of the Chuckwalla Mtns., Arroyo Seco, SW of Graham Pass, 3.3 km SW (242 deg. ) of Raineys Well, W of BLM Rd. 552 between rds. 620 & 988 566 Comment
  UCR26365  Atriplex rosea A. C. Sanders 1981-8-24 2318 Ventura South Coast, Oxnard, near intersection of Hwy 1 and Pleasant Valley Road, SE of town 15 Comment
  RSA709406  Atriplex serenana A. C. Sanders, Mark Elvin 2003-10-5 27256 San Bernardino Southern Mojave Desert: Twentynine Palms, Oasis of Mara at 29 Palms Inn, near intersection of Cottonwood and Mesquite Rds. 610 Comment
  IRVC28673  Atriplex suberecta A. C. Sanders, Mark Elvin 2002-6-18 25113 Los Angeles Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 328 Comment
  UCR142627  Atriplex triangularis A. C. Sanders, Kerry Knudsen 2004-10-15 28850 San Diego South Coast, San Dieguito Lagoon Ecological Reserve (DFG), near intersection of San Dieguito Dr. and Racetrack View Dr., Del Mar 6 Comment
  SD173330  Avena barbata Andrew C. Sanders 2004-7-2 28449 San Diego Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; around pond in middle DFG parcel 320 Comment
  UCR127647  Azolla filiculoides A. C. Sanders, Mark Elvin 2002-6-20 25227 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  IRVC28090  Baccharis pilularis A. C. Sanders, Mark A. Elvin, Kerry Knudsen 2004-9-3 28775 San Diego Carlsbad; Agua Hedionda Ecological Reserve; off Park St, heat Laguna Riviera Park; along foot trail/service road along NE side of reserve. Southern Coastal 3 Comment
  SD240841  Baccharis pilularis A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39928 Riverside Peninsular Range; Santa Ana Mtns.: near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line. Saddle on ridge. 883 Comment
  UCR66992  Baccharis pilularis A. C. Sanders 1990-10-6 10200 Orange South Coast, Newport Back Bay, SW side at North Star County Beach, SW end of the bay, c. 2 km inland from Hwy 1/ Pacific Coast Hwy 3 Comment
  SD167273  Baccharis salicifolia Andrew C. Sanders 2005-9-9 31635 San Diego Batiquitos Lagoon Ecological Reserve, Leucadia, SW side near I-5 and La Costa Ave. 0 Comment
  SD167274  Baccharis salicifolia Andrew C. Sanders 2005-9-9 31670 San Diego San Elijo Lagoon Ecological Reserve, Solana Beach, E of I-5 on south side of lagoon off end of Santa Helena Rd, near powerlines 14 Comment
  UCR161520  Baccharis salicifolia A. C. Sanders, T. B. Salvato 2005-9-9 31635 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, Leucadia, SW side near I-5 and La Costa Ave. 6 Comment
  SEINET2042096 Image available Baileya pauciradiata A. C. Sanders, P. J. MacKay 2001-4-14 24022 San Bernardino (New Dale Quad 7.5') Hwy 62 at Iron Age Rd., E of 29 Palms on S side of Dale Dry Lake. T1S R12E S1 (SW/4) 404 Comment
  CAS-BOT-BC136687  Berberis nevinii A. C. Sanders; T. B. Salvato 2009-5-21 36892 Los Angeles San Gabriel Valley: Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  UC2015577  Bernardia incana A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16177 Riverside Coachella Valley/San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. Comment
  RSA781204  Beta macrocarpa A. C. Sanders 2010-3-25 37596 Imperial Imperial Valley, Wister area, Wilkins Road 0.2 mi. SE of 90 deg bend at Hobbs Road junction, c. 5.8 mi. NW of Niland -19 Comment
  CAS-BOT-BC478854  Bloomeria crocea A. C. Sanders; K. C. Rose; Y. Moore 1998-6-3 21907 Ventura Moonpark: hills S of Tierra Rejada Valley along Read Rd. ca. 0.5 mi. E of Moonpark Rd. just W of Hwy 23, ca.1 mi. NW of Wood Ranch Reservoir, ca. 2 mi. NE of Thousand Oaks 335 Comment
  UCR112796  Bloomeria crocea A. C. Sanders 1997-5-1 20623 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR127444  Bloomeria crocea A. C. Sanders, Mark A. Elvin 2003-5-13 26616 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  UCR214593  Bloomeria crocea A. C. Sanders, Dan S. Cooper 2010-4-30 38120 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SEINET7249041  Boerhavia erecta var. intermedia Andrew C. Sanders, T. B. Salvato 2012-1 Riverside Comment
  UCR244884  Boerhavia triquetra A. C. Sanders, T. B. Salvato, Shannon Davis 2012-10-11 40401 Imperial Sonoran (Colorado) Desert, large wash SE of intersection of Bradshaw Trail and Niland-Blythe Rd., c. 2 km SE of Indian Well 485 Comment
  UCR245070  Boerhavia triquetra A. C. Sanders, T. B. Salvato 2012-10-12 40410 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  SD255799  Boerhavia wrightii A. C. Sanders 2015-9-12 41885 Riverside Sonoran (Colorado) Desert: Desert Center, south of I-10 at the Eagle Mountain Road junction (Desert Center 7.5'Q) 360 Comment
  SEINET10389837  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41867 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  SEINET3092325 Image available Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 610 Comment
  RSA735168  Bothriochloa barbinodis A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35281 Orange Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir 300 Comment
  IRVC26114  Bouteloua aristidoides A. C. Sanders, Mark A. Elvin 2003-10-5 27292 San Bernardino east side of Dale Dry Lake, along Ironage Rd. at a point ca. 0.5 mi. north of Hwy 62 Southern Mojave Desert 390 Comment
  UCR145446  Bouteloua barbata A. C. Sanders, Mark A. Elvin 2004-10-10 28958 San Bernardino Southern Mojave Desert, south end of the Sheephole Mtns. along Hwy 62, 2.8 miles west of Clarks Pass, 26.2 miles east of Utah Trail in Twentynine Palms 530 Comment
  SEINET4691502  Bowlesia incana A. C. Sanders 2012-1 39991 Riverside Peninsular Range; Elsinore Valley: city of Lake Elsinore, long Riverside Dr. (HWY74) NE of Baker St. at edge of temescal Creek 384 Comment
  UCR116662  Bowlesia incana A. C. Sanders, Carolyn Washburn 2001-5-10 24236 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR135811  Bowlesia incana A. C. Sanders, Guy Bruyea 2004-4-2 27442 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR260604  Bowlesia incana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41542 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  CAS-BOT-BC420402  Boykinia rotundifolia A. C. Sanders; S. White 1993-7-31 14179 San Bernardino San Bernardino Mts.: Warm Springs Canyon, along Forest Service road 1S12, 2.3 miles below the junction with road 1N12 975 Comment
  SEINET251738 Image available Brachypodium hybridum A. C. Sanders, Lee Jones 2005-4-8 29344 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs towaed Pt. Vicente (Redondo Beach 7.5 Q.: Near 33.44' 20'N, 118. 23' 58 2 Comment
  SBBG87910  Brandegea bigelovii A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6103 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckwalla Mtns 487 Comment
  UCR264204  Brandegea bigelovii A. C. Sanders, Jim Malusa 2015-9-8 41823 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, foot of west side of the Little Mule Mountains 355 Comment
  UCR31183  Brandegea bigelovii A. C. Sanders 1983-4-23 3751 San Bernardino Sonoran (Colorado) Desert, Colorado River Valley, just north of the Riverside Co. line, 5 miles SE of Vidal 122 Comment
  UCD170979  Brassica fruticulosa A. C. Sanders 2008-3-2 34418 Riverside Peninsular Range, Box Springs Mtns., Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road. 428 Comment
  CDA3630  Brassica nigra A. C. Sanders 2004-4-16 27510 San Diego South Coast; Carlsbad, Buena Vista Lagoon Ecological Reserve, upper end on north side, just south of Hwy 78, E of I-5 Freeway Comment
  CDA3589  Brassica tournefortii A. C. Sanders, Mark A. Elvin, Julie M. Vanderwier 2002-4-9 24916 Riverside The Badlands; hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont Comment
  RSA450811  Brassica tournefortii A. C. Sanders 1987-12-4 7581 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport & Pershing Dr. 30 Comment
  RSA496666  Brassica tournefortii A. C. Sanders, B. Phillips 1988-2-11 7611 San Bernardino South of Bryn Mawr beside a grapefruit ochard at the end of Bryn Mawr Ave. 457 Comment
  RSA711994  Brassica tournefortii A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25832 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SD239656  Brassica tournefortii A. C. Sanders 1993-2-23 33310 B San Diego South Coast: along NW side of Mission Bay, along bayside walking path, NW of Crown Point (La Jolla 7.5'Q) 0 Comment
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Mar 4 2017
  UCD114635  Brassica tournefortii A. C. Sanders 1988-1-30 s.n. Riverside Eastern foothills of the Santa Ana Mountains, ca. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80-acre property to the NW; N of Cherry St., W of Adams Ave., S of Meadowlark Ridge Lane and Elm St. Beside Warm Springs Creek, SW of Adams St. 327 Comment
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Mar 28 2014
  UCD170981  Brassica tournefortii A. C. Sanders; J. C. Piers 1998-3-13 21729 San Bernardino Mojave Desert, Cronese Valley, south side of I-15 at Basin Rd., SE of East Cronese Dry Lake and east of Cave Mtn. 343 Comment
  UCR203467  Brassica tournefortii A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-4 36220 San Bernardino Mojave Desert, south end of Cady Mountains, along powerline road c. 1/4 mi. NE of RR crossing and c. 1 mi. north of I-40, southwest of Sleeping Beauty Mtn., c. 4.25 mi. ESE of Hector 640 Comment
  UCR214437  Brassica tournefortii A. C. Sanders, Richard Dwerlkotte 2010-3-22 37505 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR241534  Brassica tournefortii A. C. Sanders, Ann Howald 2013-2-28 40568 Imperial Sonoran (Colorado) Desert, East Mesa along Hwy 78, west side of the Algodonnes Dunes, 1.18 km W of the Coachella Canal crossing 37 Comment
  UCR260291  Brassica tournefortii A. C. Sanders, Jim Malusa 2015-3-6 41297 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, lower part of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 326 Comment
  UCR269546  Brassica tournefortii A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-4 42029 Imperial Sonoran (Colorado) Desert, near Hayden Well on Mammoth Wash, Chocolate Mountains 285 Comment
  UCR96707  Brassica tournefortii A. C. Sanders 1997-3-1 19719 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR133985  Brickellia A. C. Sanders, F. C. Vasek 1982-10-19 3259 Inyo Northern Mojave Desert, north end of the Slate Range, along road from Trona to Ballarat, 0.7 mi. north of the pass into Panamint Valley, near the mouth of Water Canyon 765 Comment
  UCR94725  Brickellia desertorum A. C. Sanders, P. MacKay 1996-9-28 19579 San Bernardino NE San Bernardino Mountains/Mojave Desert:, SW slope of Ruby Mtn., 2.4 mi. west of Hwy 247 on New Dixie Mine Road 1220 Comment
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Oct 28 2010
  UCR63886  Brickellia longifolia A. C. Sanders, F. C. Vasek 1982-10-19 3243 Inyo Northern Mojave Desert, Panamint Mountains, 3 miles above Ballarat in Pleasant Canyon 915 Comment
  UCR271508  Brickellia oblongifolia var. linifolia A. C. Sanders, Karen Kirtland 2016-6-3 42539 San Bernardino San Bernardino Mtns., near head of Cushenbury Canyon, slope below road at NE edge of disturbed area of Big Bear Landfill, SC Edison pole line, c. 0.75 km SW (230 deg. ) of Hwy 18 jct. w/Smarts Ranch Rd., 1.3 km NE (21 deg. ) of Holcomb Valley Rd. at site of Doble 2006 Comment
  RSA618535  Brickellia watsonii A. C. Sanders, S. D. Boyd, Valerie L. Sosa 1998-11-15 22338 Kern Upper Pine Tree Canyon, NNE of Middle Knob along a dirt jeep road. 1402 Comment
  UCR101878  Brickellia watsonii A. C. Sanders, S. D. Boyd, Val Soza 1998-11-15 22338 Kern SE Sierra Nevada Mtns., upper Pine Tree canyon, NNE of Middle Knob along a dirt jeep road 1463 Comment
  UCR157440  Bromus A. C. Sanders, P. J. MacKay, et al 1996-6-16 18200 San Bernardino San Bernardino Mtns, Waters Road between Crestline and Cedarpines Park, just west of Fernwood Dr. 1311 Comment
  UCR18261  Bromus arizonicus A. C. Sanders, R. Twitchell 1978-4-6 873 San Bernardino Eastern Mojave Desert, Ward Valley, east of the Old Woman Mtns, in Homer Wash where the gas line road crosses 549 Comment
  RSA653560  Bromus berteroanus A. C. Sanders, Mitch Provance 1998-7-2 22115 Ventura Moorpark: hills S of Tierra Rejada Valley, along Read Rd. ca. 1/2 mile E of Moorpark Rd., just W of Hwy 23, ca. 1 mile NW of Wood Ranch Reservoir, ca. 2 mi. NE of Thousand Oaks 209 Comment
  UCR184451  Bromus berteroanus A. C. Sanders, Mitch Provance 2007-5-31 34025 Kern Tehachapi Mtns., slopes south of Bear Trap Canyon and east of the paved road from Castac Lake, c. 7 miles NE of Lebec 1098 Comment
  SBBG95098  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside City of Riverside at 422 Campus View Drive Comment
  SD186028  Bromus carinatus A. C. Sanders, Mark A. Elvin 2003-4-16 26044 Los Angeles Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon 305 Comment
  SD193189  Bromus carinatus A. C. Sanders 2005-6-2 30421 San Diego Peninsular Range: Palomar Mountain, Plaisted Creek Ecological Reserve, northeast of Rincon and Pauma Valley, between Plaisted Creek and Highway 76, southeast lobe of reserve near residences abandoned in 1996. 710 Comment
  UCR191216  Bromus carinatus A. C. Sanders 2008-4-29 35144 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, western end of Loma Ridge on road to sheriff's training facility, c. 1.5 mi. SW of Santiago Reservoir 335 Comment
  UCR64176  Bromus carinatus A. C. Sanders 1988-2-18 7692 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar. Blvd. 30 Comment
  UCR72693  Bromus catharticus A. C. Sanders, E. J. Lott, Don Pendleton 1992-6-5 12367 San Bernardino San Bernardino Mtns., east of Yucaipa, Water Canyon, a tributary to Wildwood Canyon from the north. Old Hunt Ranch, c. 0.75 mi north of Wildwood Canyon Road 1067 Comment
  UCR75452  Bromus catharticus A. C. Sanders 1993-4-9 13708 San Bernardino San Bernardino Mtns, Oak Glen, park at site of old Oak Glen School, Little San Gorgonio Creek Canyon 1460 Comment
  UCR120907  Bromus diandrus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24919 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR152909  Bromus diandrus A. C. Sanders, Helen Kennedy 2005-4-13 29440 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR93619  Bromus hallii A. C. Sanders, P. MacKay, et al 1996-6-16 18197 San Bernardino San Bernardino Mtns, Waters Road between Crestline and Cedarpines Park, just west of Fernwood Dr. 1311 Comment
  SEINET3922488  Bromus hordeaceus A. C. Sanders, Helen Kennedy 2005-4-13 29475 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons (Mint Canyon).; 0 457 Comment
  UCR127518  Bromus hordeaceus A. C. Sanders, P. J. MacKay, Tim Thomas 2003-5-18 26772 San Bernardino San Bernardino Mountains, Cleghorn Road, 0.5 mi. NE of Cajon 1006 Comment
  UCR186879  Bromus hordeaceus A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32042 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  UCR230028  Bromus laevipes A. C. Sanders 2011-7-2 39766 Santa Cruz Outer South Coast Range; Santa Cruz Mountains, upper Eureka Canyon Rd., above Corralitos, c. 1.9 mi. below Buzzard Lagoon Rd. junction 434 Comment
  UCR192104  Bromus madritensis A. C. Sanders, Fred M. Roberts, Amber O'Neal, D. E. Bramlet 2008-5-9 35306 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along old dirt road, c. 1.25 mi. ESE of Walnut Cyn Reservoir 340 Comment
  UCR127186  Bromus madritensis subsp. madritensis A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26240 Los Angeles Western San Gabriel Mtns., Charlie Canyon, Castaic Mesa area, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch 366 Comment
  UCR127409  Bromus madritensis subsp. madritensis A. C. Sanders, Tricia Wotipka 2003-5-15 26701 Ventura Santa Susana Mtns., crest of the range 2 km west of Los Angeles Co. line, SW edge of Newhall Ranch 793 Comment
  UCR140287  Bromus rubens A. C. Sanders 2004-4-9 27458 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR234328  Bromus rubens A. C. Sanders, John F. Green 2012-4-6 40008 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, major culvert/wash crossing along Temescal Cyn. Rd., near Campbell Ranch Rd. and I-15 Fwy, c. 10 miles south of Corona 323 Comment
  RSA682314  Bromus secalinus A. C. Sanders 1994-6-26 14922 San Bernardino San Bernardino Mountains: Waters Road, just W of Fernwood Drive, Cedarpines Park., [117 deg 17'W,34 deg 15'N. T2N, R4W, sec.20] 1311 Comment
  RSA725923  Bromus sterilis A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26240 Los Angeles Western San Gabriel Mtns.: Charlie Canyon, Castaic Mesa area, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 366 Comment
  RSA734639  Bromus sterilis A. C. Sanders, Fred M. Roberts, Amber O'Neal, David E. Bramlet 2008-5-9 35306 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, along old dirt road c. 1.25 mi. ESE of Walnut Cyn Reservoir. 340 Comment
  SD186031  Bromus sterilis A. C. Sanders, Tricia Wotipka 2003-5-14 26646 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line. 351 Comment
  UCR104906  Bromus tectorum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20645 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR191707  Bromus tectorum A. C. Sanders 2008-4-11 34868 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  UCR94698  Bromus trinii A. C. Sanders, E. J. Lott 1993-5-6 13951 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  UCR97650  Bromus trinii A. C. Sanders, D. Woodard & G. Goodlet 1997-2-7 19671 Los Angeles Mojave Desert: Antelope Valley, Little Rock, W side of Little Rock Wash just north of the RR and among gravel pits. 832 Comment
  UCR69796  Caesalpinia gilliesii A. C. Sanders, Chet McGaugh 1991-7-19 11144 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  SD234997  Calandrinia ciliata A. C. Sanders, Fred M. Roberts 2008-3-25 34576 Orange Peninsular Range: Santa Ana Mountains; saddle on ridge near head of Weir Canyon, 5.3 miles ENE of Villa Park, 3.1 mile N of (Santiago Reservoir) Irvine Lake (Black Star Canyon7.5' Q) 405 Comment
  SEINET244316  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2001-3-30 23874 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada 366 Comment
  SEINET272341  Calandrinia ciliata A. C. Sanders, G Helmkamp 1997-3-15 19940 Riverside Lake Skinner Area; hill E of Skinner Lake at NW end of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reservoir 488 Comment
  UCR191452  Calandrinia ciliata A. C. Sanders, Fred M. Roberts 2008-4-8 34757 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Loma Ridge Spur Rd., above Dripping Springs Loop Rd. 457 Comment
  UCR250131  Calandrinia ciliata A. C. Sanders 2014-4-9 40999 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  SD254609  Calliandra eriophylla A. C. Sanders, Jim Malusa, et al. 2016-3-5 42074 Imperial Sonoran (Colorado) Desert; Chocolate Mountains, upper Mammoth Wash, below slot canyon. 438 Comment
  UCR158366  Calochortus catalinae A. C. Sanders, K. C. Rose, Y. Moore 1998-6-3 21906 Ventura Moorpark, hills south of Tierra Rejada Valley, along Read Rd. c. 0.5 mile east of Moorpark Rd., just west of Hwy 23, c. 1 mile NW of Wood Ranch Reservoir, c. 2 mi. NE of Thousand Oaks 335 Comment
  UCR192502  Calochortus catalinae A. C. Sanders, Fred M. Roberts 2008-3-25 34549 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR127008  Calochortus clavatus A. C. Sanders 2003-6-18 26931 Los Angeles Western Transverse Range/Santa Clara River Watershed, near mouth of 'Off-haul Canyon' c. 1 mile west of Mayo Spur between San Martinez Grande Canyon the Ventura Co. line, north of Hwy 126, Newhall Ranch 305 Comment
  UCR155354  Calochortus splendens A. C. Sanders 2005-5-5 29871 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  UCR158317  Calochortus splendens A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30045 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SD197615  Calochortus weedii A. C. Sanders 2004-6-25 28246 San Diego Boden Canyon, tributary of Santa Ysabel Creek at east end of San Pasqual Valley; along road in upper DFG parce. 395 Comment
  UCR86586  Calycoseris parryi A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-7 16908 San Bernardino Mojave Desert/ N foot of San Bernardino Mtns., Blackhawk Slide, south side of Old Woman Springs Rd. (Hwy 247), c. 3 miles west of the turnoff to Partin Bros. Mine (Terrace Sprs.) 960 Comment
  SBBG104076  Calycoseris wrightii A. C. Sanders, E. J. Lawlor 1992-4-4 12114 Riverside within 0.5 mi of McCoy Spring 243 Comment
  UCR85166  Calycoseris wrightii A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16086 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR116744  Calyptridium monandrum A. C. Sanders, P. J. MacKay 2001-4-14 23991 San Bernardino Eastern Mojave Desert, east of Flat Top Mtn. on Hwy 247, 6.1 mi. north of Hwy 62 and 0.5 mi. north of Pipes Canyon Rd. 1110 Comment
  UCR194515  Calyptridium monandrum A. C. Sanders 2008-4-4 34720 San Bernardino Eastern Mojave Desert, Ivanpah Valley, 5.5 miles SW of Primm, NV and 1.8 mi. west of golf course on NW side of I-15, between Yates Well Rd. and isolated hill to the north 900 Comment
  UCR81631  Calyptridium monandrum A. C. Sanders, P. J. MacKay 1994-6-12 14715 San Bernardino San Bernardino Mtns., Crowder Canyon area of Cajon Pass, 2 to 2.2 miles east of Hwy 215 along Hwy 138 1050 Comment
  VVC1501  Calyptridium monandrum A. C. Sanders, PJ MacKay 2001-4-14 23991 San Bernardino South Central Mojave Desert/east end San Bernardino Mtns., east of Flat Top Mtn. on Hwy 247, 6.1 mi. N of Hwy 62 and 0.5 mi. N of Pipes Canyon Rd. 1110 Comment
  IRVC28282  Calystegia macrostegia A. C. Sanders, M. Elvin, C. Burrascano, A. Pigniolo, A. Thompson, et al. 2003-5-4 26551 San Diego Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail Peninsular Range 945 Comment
  SD237410  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside Peninsular Range: Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74. 404 Comment
  UCR140695  Calystegia macrostegia A. C. Sanders 2004-5-12 27872 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SD164732  Calystegia macrostegia subsp. arida Andrew C. Sanders 2005-5-27 30286 San Diego Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center Comment
  SEINET3246022  Calystegia macrostegia subsp. arida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-1 38408 Riverside Peninsular Range: southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 491 Comment
  UCR261220  Calystegia malacophylla A. C. Sanders, Mitch Provance 2015-5-13 41694 Kern Tehachapi Mountains, SW of Tehachapi, Banducci Rd. at intersection with Highline Extension Rd. 1311 Comment
  UCR193302  Calystegia occidentalis subsp. fulcrata A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35598 Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  UCR125156  Calystegia peirsonii A. C. Sanders, Mark Elvin 2002-6-18 25119 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR125945  Calystegia peirsonii A. C. Sanders, Mark Elvin 2002-6-19 25200 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  UCR155142  Calystegia peirsonii A. C. Sanders 2005-5-5 29945 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  SD197828  Camissonia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16249 Riverside San Jacinto Mountains/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Highway 111 and Snow Creek Village. 334 Comment
  UCR117414  Camissonia A. C. Sanders, B. Pitzer & S. Morgan 1987-5-14 7093 San Diego South Coast/Peninsular Range, west end of Otay Mesa, east of San Ysidro, head of Dillon Canyon 153 Comment
  UCR235698  Camissonia A. C. Sanders, Ann Howald, Chloe Scott, Bill Clark, Josh Utter 2011-5-6 39491 Inyo NE Mojave Desert, Chicago Valley, on dirt road toward Twelvemile Spring, off Chicago Valley Rd. east of Hwy 178, 10 km NE (63 deg. ) of Shoshone 648 Comment
  RSA604863  Camissonia bistorta A. C. Sanders, J. C. Lyman 1995-4-15 16531 San Bernardino Fontana: E slopes of the Jurupa Hills, S of Jurupa Hills Regional Park, W of Sierra Ave., NE of Mount Jurupa. 366 Comment
  UCR154805  Camissonia bistorta A. C. Sanders 2005-5-27 30297 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center 30 Comment
  RSA725755  Camissonia boothii A. C. Sanders 2003-6-20 26994 Los Angeles Western Transverse Range/Santa Clara River Watershed: Off-haul Canyon between San Martinez Grande Canyon and Ventura Co. line, north of Hwy. 126 and ca. 1km NNW of Mayo Spur. 305 Comment
  SEINET3099419 Image available Camissonia boothii Andrew C. Sanders, Jim Andre 2009-3-12 36333 San Bernardino Mojave Desert; Cadiz Valley, 3.3 miles NE of Saltus, 5 miles WSW of Chambless, c. 0.5 mi. south of National Trails Hwy. (old Rte 66) on dirt road (gasline rte?) c. 0.16 mi. east of Bolo Rd. (Amboy 7.5' Q) 270 Comment
  UCR203440  Camissonia brevipes A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-5 36241 San Bernardino Mojave Desert, Cady Mountains, along powerline road c. 11 mi. NE of I-40, east of peak 2633 610 Comment
  UCR18353  Camissonia brevipes subsp. brevipes A. C. Sanders, R. Twitchell 1978-4-7 446 San Bernardino Eastern Colorado Desert, Chemehuevi Valley, 5 miles SW of Havasu Lake, along Chemehuevi Wash near West Well 232 Comment
  UCR112554  Camissonia californica A. C. Sanders 1998-3-17 21740 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UCR125825  Camissonia californica A. C. Sanders, Mark Elvin 2003-4-5 25928 San Bernardino Southern Mojave Desert, UC Burns Pinyon Ridge Reserve, off Skyline Ranch Rd. c. 2 miles (air) ESE of Pioneertown, 1.5 mi. (air) NW of Yucca Valley, canyons south of road from front gate to old Burns home 1280 Comment
  UCR170298  Camissonia californica A. C. Sanders, L. Lubinsky, E. J. Lawlor, D. L. Sanders 2006-3-26 31945 San Bernardino San Bernardino Valley Region, lower Scott Canyon below canyon bend at powerlines, Loma Linda Hills, south of end of Bryn Mawr Ave. 457 Comment
  UCR190975  Camissonia californica A. C. Sanders, Fred M. Roberts 2008-4-22 35002 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hicks Canyon haul road, just above Irvine Ranch gate and road to cement plant, c. 1 mile NE of Rattlesnake Reservoir 244 Comment
  UCR214325  Camissonia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38385 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  RSA712882  Camissonia campestris A. C. Sanders, Petra Wester, T. B. Salvato 2004-5-1 2774 Ventura Western Transverse Range: Cuyama Valley, mouth of Apache Canyon, 0.4 mi. east of Hwy 33. 1029 Comment
  VVC325  Camissonia campestris A. C. Sanders 1995-5-7 16980 San Bernardino San Bernardino Mtns/ So. Mojave Desert, canyon and slopes above Rock Corral, NE foot of the mtns, Bighorn Mtns. area 1220 Comment
  UCR18332  Camissonia chamaenerioides A. C. Sanders, R. Twitchell 1978-4-7 799 San Bernardino Eastern Colorado Desert, Chemehuevi Valley, 5 miles SW of Havasu Lake, along Chemehuevi Wash near West Well 232 Comment
  SEINET3347404 Image available Camissonia claviformis Andrew C. Sanders, Chika Mori 2011-6-15 39672 San Bernardino Southern Mojave Desert; Yucca Valley, Pioneertown Canyon, 0.8 mi. north of Hwy 62 on Pioneertown Road 1077 Comment
  UCR203947  Camissonia claviformis A. C. Sanders, Jim Andre 2009-3-13 36371 San Bernardino Mojave Desert, old volcanic cinder mine site (c. 1955) on south side of Dish Hill, north of National Trails Hwy c. 1 mile NE of East Siberia siding, c. 12 miles west of Amboy via the highway 343 Comment
  UCR86852  Camissonia claviformis A. C. Sanders 1995-3-29 16272 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR41753  Camissonia claviformis subsp. peirsonii A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6222 Imperial Sonoran (Colorado) Desert, Badlands south of Painted Gorge, 1/2 mi east of Painted Gorge Road at a point 2.4 miles north of Hwy S-80 76 Comment
  UCR249923  Camissonia graciliflora A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36792 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  UCR50992  Camissonia graciliflora A. C. Sanders, E. J. Lawlor 1988-4-3 7759 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  RSA666888  Camissonia hirtella A. C. Sanders, T. B. Salvato 2000-5-25 23427 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA715073  Camissonia hirtella A. C. Sanders 2005-4-22 29614 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR125814  Camissonia hirtella A. C. Sanders, Mitch Provance 2003-4-2 25799 San Bernardino San Bernardino Mountains, Cajon Pass, Cleghorn Road on northeast side of I-15, near site of Cajon 976 Comment
  SEINET10805068  Camissonia hirtella Andrew C. Sanders 2006-5-19 Sanders 32423 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Road and north of Clinton Keith Road (Murrieta 7.5'Q). Rocky slopes of granite and gabbro, loam and clay soil; coastal sage scrub/chaparral with Eriogonum fasc. fol., Salvia mellif., Adenostoma and groves of Quercus agrifolia. [T6S R3W S27, NE/4 & E/2 of NW/4] 518 Comment
  UCR214545  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37845 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  UCR110881  Camissonia intermedia A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21988 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  UCR98351  Camissonia pallida A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke, G. Ballmer 1997-4-13 20456 Kern San Emigdio Ranch: Salt Creek Canyon at confluence with Black Bob Canyon and up Black Bob Cyn. 915 Comment
  UCR75321  Camissonia strigulosa A. C. Sanders 1993-4-11 13743 San Bernardino San Bernardino Mtns, north foot of range, Hwy 173, 5.4 mi. NE of junction with Hwy 138, & c. 1 mi. south of the Grass Valley Creek crossing 1000 Comment
  SD212668  Camissoniopsis bistorta Andrew C. Sanders 2005-6-17 31049 San Diego Boden Canyon Ecological Reserve at E end of San Pasqual Valley, lower part of reserve along Santa Ysabel Creek at confluence with Clevenger Canyon Quad: San Pasqual 7.5A Q. 200 Comment
  UC1787281  Camissoniopsis bistorta A. C. Sanders, Mitch Provance 1998-5-28 21884 San Bernardino San Bernardino Valley: Agua Mansa area, north side of the Santa Ana River just east of Riverside Ave. 259 Comment
  SD186265  Camissoniopsis confusa A. C. Sanders, E. J. Lott 1992-5-1 12254 San Bernardino East of Water Canyon Rd. on Birmingham Ranch in Water Canyon, north side of Wildwood Canyon, east of Yucaipa. 975 Comment
  UCR195707  Camissoniopsis confusa A. C. Sanders 1998-3-17 21746 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
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Mar 13 2015
  SD233888  Camissoniopsis hirtella A. C. Sanders, M. Elvin, C. Burrascano, A. Pignoli, A. Thompson. 2003-5-4 26540 San Diego Peninsular Range, San Ysidro Mtns.: Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail. 945 Comment
  UCR184705  Capsella bursa-pastoris A. C. Sanders, Mitch Provance 2007-6-1 34062 Kern Tehachapi Mtns., Johnson Canyon above Bear Trap Canyon, c. 7 miles NE of Lebec in vicinity of Calif. Aqueduct tunnel 1067 Comment
  UCR211040  Capsella bursa-pastoris A. C. Sanders 2010-1-13 37250 Kings San Joaquin Valley, Plymouth Ave. near 34th Ave., on E side of I-5 south of the Avenal exit 142 Comment
  IRVC26344  Cardaria draba A. C. Sanders, Andy Thompson 2003-4-15 26019 Los Angeles Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park NE end of Santa Susana Mtns. 316 Comment
  RSA680950  Carex A. C. Sanders 1996-9-15 19546 San Bernardino San Gorgonio Wilderness Area, trail from Dollar Lake to San Gorgonio Peak. 3018 Comment
  UCR137314  Carex alma A. C. Sanders, P. J. MacKay, Tim Thomas, Mitch Provance, Petra Wester 2004-6-12 28177 San Bernardino San Bernardino Mtns., Arrastre Creek at Smart's Ranch Road (FS 3N03) crossing c. 5 miles SE of Hwy 18 1829 Comment
  SEINET7550665 Image available Carex athrostachya A. C. Sanders, G. Helmkamp, S. White, E. J. Lawlor, C. L. Sanders 1994-9-11 15644 San Bernardino San Bernardino Moutains: Confluence of Bear Creek and the Santa Ana River. 1044 Comment
  UCR126289  Carex athrostachya A. C. Sanders 1994-8-7 15239 San Bernardino San Bernardino Mtns., upper (eastern) end of Bluff Lake Meadow, south of Big Bear Lake 2340 Comment
  UCR17858  Carex aurea A. C. Sanders 1975-6-30 0643 San Bernardino San Bernardino Mtns., Wild Horse Meadows, NE of Barton Flats 2439 Comment
  UCR83918  Carex aurea A. C. Sanders, P. J. MacKay 1994-7-10 15049 San Bernardino San Bernardino Mtns., Wildhorse Creek at and above Forest Service campsite, 1.5 mi. ESE of summit of Sugarloaf Mtn. 2460 Comment
  UCR26499  Carex douglasii A. C. Sanders, N. Farrell 1981-5-15 2100 Santa Barbara South Coast, Vandenberg Air Force Base. Dunes west of Casmalia at the end of road TS03 30 Comment
  UCR87127  Carex douglasii A. C. Sanders, MacKay & Helmkamp 1995-5-28 17173 San Bernardino San Bernardino Mtns., E end of Ord Mtns, c. 1 mi. (airline) west of Bowen Ranch 1360 Comment
  RSA682573  Carex heteroneura A. C. Sanders 1994-8-7 15242 San Bernardino San Bernardino Mountains: upper (Eastern) end of Bluff Lake Meadow, S. of Big Bear Lake. 2340 Comment
  UCR126297  Carex heteroneura A. C. Sanders 1994-8-7 15242 San Bernardino San Bernardino Mtns., upper (eastern) end of Bluff Lake Meadow, south of Big Bear Lake 2340 Comment
  RSA701778  Carex senta A. C. Sanders, P. J. MacKay 1994-7-24 15139 San Bernardino San Bernardino Mtns.: San Gorgonio Wilderness Area, along the Dollar Lake Trail (1E04) between the spur to the lake itself (1E03) and South Fork Meadows. 2890 Comment
  RSA717325  Carex spissa A. C. Sanders 2004-4-23 27642 San Diego South Coast: Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons ca. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  UCR126293  Carex subfusca A. C. Sanders, P. J. MacKay 1994-7-17 15105 San Bernardino San Bernardino Mtns., Wildhorse Meadow at and just below Wildhorse Spring 2690 Comment
  UCR126277  Carex utriculata A. C. Sanders 1994-8-7 15256 San Bernardino San Bernardino Mtns., trail to the Champion Lodgepole Pine, c. 1/4 mi. SW of Bluff Lake, Siberia Creek drainage, south of Big Bear Lake 2340 Comment
  UCR38142  Carpobrotus chilensis A. C. Sanders, K. Berg 1985-3-3 5392 San Luis Obispo Central Coast, Oso Flaco Lake, south of Oceano, at end of Oso Flaco Lake Road 3 Comment
  SEINET949262  Cassia nemophila A. C. Sanders, K. C. Rose 1999-1 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. Between Ave 54 and I -10 (La Quinta 7.5) 10 Comment
  RSA734649  Castilleja affinis A. C. Sanders, Fred M. Roberts 2008-3-25 34572 Orange Peninsular Range; Santa Ana Mtns.: Saddle on ridge near head of Weir Canyon, 5.3 miles ENE of Villa Park, 3.1 mi. N of (Santiago Reservoir) Irvine Lake. 405 Comment
  UCR112625  Castilleja attenuata A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke, G. Ballmer 1997-4-13 20431 Kern San Joaquin Valley, San Emigdio Ranch, slopes south of San Emigdio Creek, just above confluence with Doc Williams Cyn. 915 Comment
  UCR155369  Castilleja exserta A. C. Sanders 2005-5-11 30125 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  UCR281075  Castilleja lasiorhyncha A. C. Sanders, Mark Bibbo, Morgan King, Stephanie Hines 2017-5-22 43216 San Bernardino San Bernardino Mountains, eastern Holcomb Valley along SCE powerline just north of Holcomb Valley Road (3N16), NW of Saragossa Spring, north of 3N79 junction 2290 Comment
  UCR44228  Castilleja martinii A. C. Sanders 1986-6-1 6567 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  VVC1684  Castilleja miniata A. C. Sanders, J. Mac 2004-6-12 28174 San Bernardino San Bernardino Mtns., Arrastre Creek at Smart's Ranch Road (FS 3N03) crossing c. 5 miles SE of Hwy 18 1829 Comment
  SD227769  Catalpa bignonioides A. C. Sanders, K. C. Rose 1999-6-18 22800 Riverside Skinner/Domenigoni Area: French Valley, E Side of Washington Ave. 1/2 ile S of Rawson Rd. 438 Comment
  RSA381553  Caulanthus cooperi A. C. Sanders 1987-4-5 6994 San Bernardino Hart Mine, SW end of Castle Mts, E Mojave Desert, S24 (except where noted). 1372 Comment
  CAS-BOT-BC126757  Caulanthus lasiophyllus A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37458 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR214398  Caulanthus lasiophyllus A. C. Sanders 2010-4-13 37876 Kern Southern Foothills of Tehachapi Mountains, foot of ridge between Little Sycamore Cyn. and Los Alamos Creek, N of Calif. Aqueduct, 0.35 mi. WSW (265 deg. ) of VABM 'Cow 1023 Comment
  UCR117551  Ceanothus A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23293 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 976 Comment
  UCR112785  Ceanothus cuneatus A. C. Sanders, Tracy Tennant, J. Ross, Mitch Provance 1998-3-12 21702 San Bernardino San Gabriel Mtns., Etiwanda, W side of Etiwanda Creek on north side of Hwy 30 (Highland Ave.) 442 Comment
  UCR126886  Ceanothus cuneatus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26198 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  SBBG119994  Ceanothus leucodermis A. C. Sanders with M. Misenhelter 2005-3-23 29263 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  SD186314  Ceanothus leucodermis Andy C. Sanders, Mike Misenhelter 2005-3-23 29263 Riverside Santa Ana Mtns.: Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  IRVC28204  Ceanothus papillosus subsp. roweanus A. C. Sanders, Mark A. Elvin 2005-9-2 31610 Orange Upper Holy Jim Canyon, a major tributary of Trabuco Cyn, along trail in the switchbacks. Santa Ana Mountains 970 Comment
  UCR113642  Ceanothus vestitus A. C. Sanders, Ed LaRue 1997-4-24 20573 San Bernardino San Bernardino Mtns., BLM land on north side of peak 5524 near Round Mountain, NW of the Partin Bros. (Lester) Mine at Terrace Springs, NE end of S.B. Mtns. 1677 Comment
  UCR229526  Cedronella canariensis A. C. Sanders 2011-7-7 39797 Santa Cruz Outer South Coast Range; Santa Cruz Mountains, NE of Felton and SW of Olympia, near 7750 Hihn Rd. and intersection with Kim Way 180 Comment
  UCD170910  Celtis reticulata A. C. Sanders 1993-8-28 14203 San Bernardino San Bernardino Mtns., Yucaipa: north side of Oak Glen Road, 0.1 mi east of Sunnyside Drive and 0.5 mi east of Yucaipa Regional Park, 0.3 mi west of Bryant Street. Just south of a trailer park. 823 Comment
  UCR75628  Celtis sinensis A. C. Sanders, O. F. Clarke, T. Krantz, R. F. Thorne 1993-4-27 13812 San Bernardino San Bernardino Mtns., Arrowhead Hot Springs and immediate vicinity; Coldwater Canyon and Strawberry Creek Canyon, c. 0.5 mi east of the old Arrowhead Hot Springs Hotel 579 Comment
  UCR97466  Cenchrus echinatus A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19677 Riverside Colorado Desert, Coachella Valley, North Palm Springs, Indian Avenue at I-10 freeway; Garnet. 188 Comment
  UCR93490  Centaurea maculosa A. C. Sanders, P. McKay, G. K. Helmkamp, C. L. Sanders 1994-8-14 15283 San Bernardino San Bernardino Mtns., Hwy 18, 0.25 mi. west of Big Bear Lake dam 2080 Comment
  UCR154970  Centaurium venustum A. C. Sanders 2005-5-27 30296 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center 30 Comment
  CAS-BOT-BC226945  Centromadia pungens subsp. laevis A. C. Sanders; John F. Green 2012-5-27 40218 Riverside Peninsular Range; Perris-Aguanga Basin Region: Lake Elsinore, SE of Riverside Dr. (Hwy 74) on NE side of Pasadena Ave., NW of Central Ave. 386 Comment
  UCR83869  Cerastium fontanum subsp. vulgare A. C. Sanders, P. J. MacKay 1994-7-10 15034 San Bernardino San Bernardino Mtns., Wildhorse Creek at and above Forest Service campsite, 1.5 mi. ESE of summit of Sugarloaf Mtn. 2460 Comment
  SD164753  Cerastium glomeratum Andrew C. Sanders 2005-3-25 29307 San Diego San Elijo Lagoon Ecological Reserve, hills on SE side, east of I-5 and 0.5 mi. west of El Camino Real, north of end of Santa Helena Dr. 6 Comment
  SD164754  Cerastium glomeratum Andrew C. Sanders 2005-3-11 29170 San Diego Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons ca. 0.75 mi. S of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  UCR214475  Cerastium glomeratum A. C. Sanders 2010-3-30 37658 Kern Tehachapi Mtns. Foothills, hills between Big Sycamore and Little Sycamore canyons, north of reservoir on Calif. Aqueduct 1015 Comment
  UCR18347  Cercidium microphyllum A. C. Sanders, R. Twitchell 1978-4-7 00329 San Bernardino Eastern Colorado Desert, Whipple Mountains, 4 mi due south of the city of Havasu Lake, along utility road 244 Comment
  UCR127030  Cercocarpus betuloides A. C. Sanders, Mark A. Elvin 2003-6-18 26947 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
  UCR184332  Cercocarpus betuloides A. C. Sanders, Mitch Provance 2007-5-25 33973 Kern Tehachapi Mountains, Pastoria Creek (Bear Trap) Canyon, about 1 mile below where paved road from Castac Lake crosses canyon, c. 6 miles NE of Lebec 1098 Comment
  SD185960  Cereus peruvianus Andrew C. Sanders 2005-10-14 31868 San Diego Palomar Mtn., Plaisted Creek Ecological Reserve, NE of Rincon & Pauma Valley, between Plaisted Cr. and Hwy 76, SE lobe of reserve near residences abandoned in 1996 701 Comment
  UCR269711  Chaenactis carphoclinia var. carphoclinia A. C. Sanders, Jim Malusa 2016-3-16 42273 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, along old Niland-Blythe Rd. at powerlines, 2.6 km NNW of Beal Well 472 Comment
  UCR30051  Chaenactis carphoclinia var. carphoclinia A. C. Sanders 1983-4-24 3796 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  UCR40906  Chaenactis carphoclinia var. carphoclinia A. C. Sanders, K. R. Neisess 1985-4-22 5626 Imperial Sonoran (Colorado) Desert, alluvial fan south of Cargo Muchacho Mountains, 2 miles north of I-8 on Sidewinder Rd 105 Comment
  UCR260843  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41510 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  UCR263245  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41470 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  UCR277637  Chaenactis fremontii A. C. Sanders, Jim Malusa 2017-1-14 42662 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  CAS-BOT-BC172823  Chaenactis glabriuscula A. C. Sanders 2004-6-25 28281 Riverside Peninsular Range: Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; near the pond (reservoir) in middle DFG parcel 335 Comment
  IRVC28369  Chaenactis glabriuscula A. C. Sanders, Tricia Wotipka 2003-4-28 26097 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  UCR125795  Chaenactis glabriuscula A. C. Sanders, Mitch Provance 2003-4-2 25816 San Bernardino San Bernardino Valley, Colton Dunes, north of Santa Ana Ave and east of Riverside Ave, on the east side of the tank farm, south of Slover Ave. 305 Comment
  UCR235114  Chaenactis glabriuscula A. C. Sanders, Mihai Costea, T. B. Salvato, Benjamin T. Wilder 2012-5-8 40158 San Bernardino Western San Bernardino Mountains, Cleghorn Road (dirt), 1.9 miles airline ESE (97 deg. ) of Cajon Junction 1220 Comment
  UCR86190  Chaenactis glabriuscula A. C. Sanders, M. Jacobsmyer & CNPS field trip 1995-6-3 17258 San Bernardino San Bernardino Mtns, Cushenbury Canyon along Hwy 18, Johnson Grade, 1.9 miles below the summit and c. 1 km above Cactus Flat 1890 Comment
  UCR98362  Chaenactis glabriuscula A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke, G. Ballmer 1997-4-13 20459 Kern San Emigdio Ranch: Salt Creek Canyon at confluence with Black Bob Canyon and up Black Bob Cyn. 915 Comment
  UCR117079  Chaenactis glabriuscula var. lanosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24202 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR186887  Chaenactis xantiana A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32033 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  HSC83082  Chamaesyce pediculifera A. C. Sanders, Pitzer, Weir, Charlton, Kniffen, Bramlett 1986-3-9 6205 Imperial Coyote Mtns., Fossil Canyon, 3.3 mi. N of Imperial Hwy. (S-2) at Ocotillo, on Shell Canyon Rd. 305 Comment
  RSA655403  Chamaesyce polycarpa var. polycarpa A. C. Sanders 1997-11-25 21623 Riverside Skinner/Domenigoni region, S of Hemet: Eastside Reservoir site, at N foot of eastern dam, E end of ''North Hills'', ca. 0.9 mi. NNE of site of Searl Ranch 530 Comment
  SEINET3090230 Image available Chamaesyce setiloba Andrew C. Sanders, P. J. MacKay 1994-10-2 15735 San Bernardino San Bernardino Mtns/Mojave Desert; Two Hole Spring near Rattlesnake Canyon [at the foot of the range near Johnson Valley] 1162 Comment
  UCR113090  Chenopodium album A. C. Sanders, Mitch Provance 2000-9-17 23666 San Bernardino San Bernardino Valley, Redlands, California St. on south side of I-10 Fwy 354 Comment
  RSA709239  Chenopodium album var. album A. C. Sanders, Mitch Provance, T. B. Salvato, B. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden. 351 Comment
  RSA666515  Chenopodium album var. missouriense A. C. Sanders, P. J. MacKay, D. Charlton, S. Wilson 1994-11-6 15859 San Bernardino Burnt Mill Canyon Road, 2N03, between Silverwood Lake and Cedarpines Park. 1433 Comment
  RSA709312  Chenopodium berlandieri A. C. Sanders, Mitch Provance 2000-10-1 23704 San Bernardino Whiskey Springs, 2.3 miles above Mitsubishi Mine entrance on Hwy 18 in Cushenbury Canyon. 1610 Comment
  SD224923  Chenopodium berlandieri A. C. Sanders, Bramlet,Jacobsmyer & Spilman 1996-8-17 19461 San Bernardino San Bernadino Mtns.: Coxey Meadow. 1707 Comment
  UCR197057  Chenopodium berlandieri A. C. Sanders, D. L. Sanders 2008-9-27 36106 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  UCR206492  Chenopodium berlandieri A. C. Sanders, T. B. Salvato 2009-5-21 36901 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  UCR252003  Chenopodium berlandieri A. C. Sanders, T. B. Salvato 2014-7-2 41177 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA602504  Chenopodium berlandieri var. sinuatum A. C. Sanders 1996-10-4 19609 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  UCR127283  Chenopodium californicum A. C. Sanders, Mark A. Elvin 2003-5-13 26599 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  UCR230213  Chenopodium californicum A. C. Sanders 2011-4-6 38984 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR45258  Chenopodium fremontii A. C. Sanders, K. Cooper, R. Cooper 1986-7-25 6785 San Bernardino San Bernardino Mtns., Holcomb Creek, 0.65 mi below Forest Road 3N16 on 3N08 2165 Comment
  CDA3079  Chenopodium missouriense A. C. Sanders, Mitch Provance 2000-10-1 23684 San Bernardino San Bernardino Mtns.; City Creek, along road 1N22 above crossing 0.3 mi. NW of Hwy 330 at City Creek Forest Station Comment
  CDA3081  Chenopodium missouriense A. C. Sanders 1993-8-28 14199 San Bernardino San Bernardino Mtns.; Oak Glen, along Oak Glen Road opposite McFarland s Orchards Comment
  UCR269713  Chenopodium murale A. C. Sanders, Jim Malusa 2016-3-15 42240 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, c. 1.1 km NNE of Beal Well, north side of a rocky hill east of old Niland-Blythe Rd. 442 Comment
  UCR193972  Chenopodium pratericola A. C. Sanders 2008-7-25 35907 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCR116077  Chenopodium strictum A. C. Sanders, Mitch Provance 1998-7-2 22125 Ventura Moorpark, hills south of Tierra Rejada Valley, along Read Rd. c. 1/2 mile east of Moorpark Rd., just west of Hwy 23, c. 1 mile NW of Wood Ranch Reservoir, c. 2 mi. NE of Thousand Oaks 335 Comment
  RSA667018  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance 2000-10-1 23685 San Bernardino Hwy 330 at turnout 4.3 miles above City Creek Station, 4.2 mi. below W end of Fredalba Rd., slopes above Little Mill Creek 1235 Comment
  UCR143647  Chenopodium strictum var. glaucophyllum A. C. Sanders 1993-8-28 14199 San Bernardino San Bernardino Mtns., Oak Glen, along Oak Glen Road opposite McFarland's Orchards 1280 Comment
  UCR160475  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance 2000-10-1 23696 San Bernardino San Bernardino Mtns., Big Bear Lake, Gray's Landing on north shore, 1.2 mi. east of dam 2055 Comment
  UCR193960  Chilopsis linearis A. C. Sanders 2008-7-25 35923 Riverside Interior South Coast; San Jacinto Valley, Gilman Springs Road at mouth of Massacre Canyon, 0.7 mi. NW of Gilman Hot Springs 467 Comment
  UCR269650  Chloracantha spinosa A. C. Sanders 2015-2-5 41243 Imperial Sonoran (Colorado) Desert, Imperial Valley on SE side of Salton Sea, west of Niland along Noffsinger Road, just east of English Rd. -59 Comment
  IRVC26198  Chlorogalum pomeridianum A. C. Sanders, Mark A. Elvin 2003-6-18 26952 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
  UCR163930  Chorizanthe brevicornu A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29143 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  SEINET244669  Chorizanthe coriacea A. C. Sanders, T. B. Salvato 2001-5-3 24073 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel. 1712 ft. hill at east end of Diamond Valley. 494 Comment
  UCR158518  Chorizanthe coriacea A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30028 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR210874  Chorizanthe corrugata A. C. Sanders 2009-4-1 36759 San Bernardino Mojave Desert, northwest side of Broadwell Dry Lake 401 Comment
  IRVC27221  Chorizanthe fimbriata A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26459 San Diego Otay Mountain, along trail between "Copper Canyon" and "Wild Bill's Draw" on the south side of the mountain just barely north of the Mexican border Peninsular Range 366 Comment
  UCR260833  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41522 Riverside San Gorgonio Pass, 1.7 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10, east of Elm St. 494 Comment
  UCR102868  Chorizanthe polygonoides subsp. longispina A. C. Sanders 1997-3-26 20120 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  UCR154432  Chorizanthe polygonoides subsp. longispina A. C. Sanders, Mike Misenhelter 2005-6-15 30940 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR228830  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato 2011-4-4 38973 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  UCR50927  Chorizanthe spinosa A. C. Sanders, B. L. Phillips, B. Pitzer 1988-5-22 7857 Kern Mojave Desert, 1.5 mi NW of Rosamond near the airport, north of Felsite Street and west of 35th Street West 732 Comment
  RSA712885  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-5-13 26613 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 Comment
  UCR114676  Chorizanthe staticoides A. C. Sanders, Mitch Provance 1998-7-2 22114 Ventura Moorpark, hills south of Tierra Rejada Valley, along Read Rd. c. 1/2 mile east of Moorpark Rd., just west of Hwy 23, c. 1 mile NW of Wood Ranch Reservoir, c. 2 mi. NE of Thousand Oaks 335 Comment
  RSA643891  Chorizanthe thurberi A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16829 San Bernardino E San Bernardino Mts./ Mojave Desert: Rimrock, 4.1 mi. N of Pioneertown, along a dirt track W from Rimrock Rd., S of Burns Cyn. 1341 Comment
  RSA597557  Chorizanthe watsonii A. C. Sanders, P. Mackay, G. Helmkamp 1995-5-28 17133 San Bernardino Ord Mtns area on N slope, 0.5 mi. NW of Bowen Ranch, S of Juniper Flats. Comment
  UCR86218  Chorizanthe watsonii A. C. Sanders, M. Jacobsmyer & CNPS field trip 1995-6-3 17252 San Bernardino San Bernardino Mtns, Hwy 18 at summit of Cushenbury Canyon (top of Johnson Grade) 2100 Comment
  IRVC29646  Chrysothamnus nauseosus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26220 Los Angeles Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch Western San Gabriel Mtns. 351 Comment
  UCR81470  Chrysothamnus nauseosus A. C. Sanders, P. MacKay 1994-6-12 14793 San Bernardino San Bernardino Mtns/Mojave desert, Mojave River Valley, below the Mojave River Forks Dam, E side of the river along Deep Creek Rd. 950 Comment
  UCR34057  Chrysothamnus teretifolius A. C. Sanders, N. M. Fellows 1983-10-12 3971 San Bernardino Mojave Desert/ Little San Bernardino Mtns., Big Morongo Preserve of the Nature Conservancy in Big Morongo Canyon, south of town of Morongo Valley 795 Comment
  SD186262  Chylismia brevipes A. C. Sanders, Mitch Provance, Petra Wester 2004-5-30 28066 San Bernardino Southeast end of Bristol Mountains, 4.0 miles northeast of Amboy. 249 Comment
  SD237527  Chylismia brevipes A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-5 36241 San Bernardino Mojave Desert: Cady Mountains, along powerline road c. 11 mi. NE of I-40, east of peak 2633. 609 Comment
  UCR94773  Cirsium mohavense A. C. Sanders 1996-9-22 19563 San Bernardino San Bernardino Mtns./Mojave Desert, upper Box 'S' Spring, 0.35 mi. below Camp Rock Rd. 1159 Comment
  SEINET232559  Cirsium occidentale var. californicum A. C. Sanders, B Pitzer 1987-4-21 7048 Riverside Box Springs Mountains near southernmost radio towers (Riverside East Quad) 792 Comment
  CAS-BOT-BC285582  Cirsium occidentale var. occidentale A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke; et al 1997-4-12 20371 Kern Hills S of San Joaquin Valley: San Emigdio Ranch, confluence of San Emigdio Canyon and Doc Williams Canyon, 2.5 mi. WNW of Eagle Rest Peak 854 Comment
  UCR155406  Cirsium occidentale var. occidentale A. C. Sanders, T. B. Salvato 2005-6-17 31095 San Diego Peninsular Range, Boden Canyon Ecological Reserve at E end of San Pasqual Valley, along entrance road from Hwy 78 to Clevenger Canyon 274 Comment
  IRVC28689  Cirsium vulgare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25476 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  UCR48950  Citrus limon A. C. Sanders 1987-10-13 7421 Los Angeles Southern coast, El Segundo Dunes west of Los Angeles International Airport and Peshing Drive 38 Comment
  SD144144  Cladium californicum A. C. Sanders, P. MacKay, et al 1994-12-4 15878 Riverside Colorado desert; Salton Sea sink; Dos Palmas Oasis area; San Andres palm grove, 1.75 Km (1.1 miles) west south west of Rancho Dos Palmas, marked seep on Durmid 7.5' Quad. Comment
  UCR98365  Clarkia cylindrica A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke, G. Ballmer 1997-4-13 20451 Kern San Emigdio Ranch: Salt Creek Canyon at confluence with Black Bob Canyon and up Black Bob Cyn. 915 Comment
  UCR101465  Clarkia epilobioides A. C. Sanders 1997-4-10 20330 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  IRVC27792  Clarkia purpurea A. C. Sanders 2005-5-11 30190 Los Angeles Santa Clarita area, upper Plum Cyn along Plum Cyn Rd between crest and vernal pool on bench in mid cyn, NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 579 Comment
  UCR260860  Clarkia purpurea A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41565 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 373 Comment
  UCR261497  Clarkia purpurea A. C. Sanders, Ron Clark, Robin Kinmont 2015-5-6 41641 Kern Tehachapi Mtns. Region, Tehachapi Valley, west side of Woodford Tehachapi Rd. along Black Mountain St., in Old Town Tehachapi, north of West Valley Blvd. 1235 Comment
  UCR83641  Clarkia purpurea A. C. Sanders, P. J. MacKay 1994-6-19 14870 San Bernardino San Bernardino Mtns, upper Miller Canyon (E fork of W fork of Mojave River) above the confluence with Houston Creek, along FSR 2N37 1500 Comment
  RSA0041972  Clarkia purpurea subsp. quadrivulnera A. C. Sanders, T. B. Salvato 2007-6-7 34095 Kern Geghus Ridge c. 8 miles NE of Lebec, ridge tops above Bear Trap Canyon., Localized below a rocky quartzite outcrop near 34 deg 54 10N, 118 deg 44 16W. 1341 Comment
  SD212672  Clarkia purpurea subsp. quadrivulnera Andrew C. Sanders 2005-6-17 31091 San Diego Boden Canyon Ecological Reserve at E end of San Pasqual Valley, along entrance road from Hwy 78 to Clevenger Canyon Quad: San Pasqual 7.5A Q. 244 Comment
  UCR183994  Clarkia rhomboidea A. C. Sanders, T. B. Salvato, Mitch Provance 2007-5-16 33827 Kern Tehachapi Mountains, hills c. 0.2 mi. southeast of NE arm of Castac Lake 1159 Comment
  SD178259  Claytonia parviflora A. C. Sanders, T. B. Salvato 2005-4-26 29712 Los Angeles Western San Gabriel/Liebre Mountains Region: Santa Clarita area, Plum Canyon Road in Mint Canyon, northwest of Forest Park and south of Cruzan Mesa. 594 Comment
  UCR187228  Claytonia parviflora A. C. Sanders 2006-4-21 32127 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles ENE of Quail Lake, east of the Cement Plant Rd. and Calif. Aqueduct, north of Hwy 138 1006 Comment
  UCR20603  Claytonia parviflora subsp. parviflora A. C. Sanders 1978-5-6 570 San Bernardino Northeastern Mojave Desert, Kingston Range, 0.1 mi east of Horse Thief Springs on the Excelsior Mine Road, at Tecopa Pass 1463 Comment
  UCR121656  Claytonia parviflora subsp. viridis A. C. Sanders 1995-4-13 16488 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCR127434  Claytonia perfoliata A. C. Sanders, Mark A. Elvin 2003-5-15 26719 Ventura Santa Susana Mtns., along dirt road to the crest of the range above Salt Canyon, 1 km west of Los Angeles Co. line, Newhall Ranch 732 Comment
  UCR230211  Claytonia perfoliata A. C. Sanders 2011-4-6 38979 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR281033  Claytonia perfoliata A. C. Sanders, Mark Bibbo, Morgan King, Huang-Chi Kuo 2017-6-6 43287 San Bernardino San Bernardino Mountains, Holcomb Valley, along SCE powerline north of Holcomb Valley Road (3N16) and west of Union Flat Rd. 2273 Comment
  CAS-BOT-BC166980  Clematis lasiantha A. C. Sanders; M. Elvin; C. Burrascano; A. Pignioli; A. Thomson; et al. 2003-5-4 26539 San Diego Peninsular Range, San Ysidro Mountains: Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail 945 Comment
  UCR213446  Clematis pauciflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37803 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR36604  Collinsia A. C. Sanders, K. Berg 1983-6-5 4224 A Del Norte Six Rivers National Forest: between French Hill and French Flat along a Forest Service road, c. 1 air mi south of Gasquet 520 Comment
  UCR24900  Collinsia concolor A. C. Sanders 1980-7-18 1630 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR184115  Collinsia heterophylla A. C. Sanders, T. B. Salvato 2007-4-24 33505 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  UCR230037  Collinsia heterophylla A. C. Sanders 2011-7-2 39757 Santa Cruz Outer South Coast Range; Santa Cruz Mountains, upper Eureka Canyon Rd., above Corralitos, 0.79 mi. below Buzzard Lagoon Rd. junction 494 Comment
  RSA0117359  Collinsia parryi A. C. Sanders, E. J. Lott 1992-5-1 12258 San Bernardino San Bernardino Mtns.: east of Water Canyon Rd. on Birmingham Ranch in Water Canyon, north side of Wildwood Canyon, east of Yucaipa. 976 Comment
  UCR113810  Collomia linearis A. C. Sanders, G. K. Helmkamp, E. J. Lawlor, C. L. Sanders 1997-7-27 20972 San Bernardino San Bernardino Mtns., SW end of Bluff Lake, Champion Lodgepole Meadow and trail south to roadhead 2341 Comment
  CAS-BOT-BC334451  Condalia globosa var. pubescens A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40508 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, S of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCR239467  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40508 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCR240038  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40512 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1.5 km NW of Augustine Rd. junction, large wash on SW side of road 727 Comment
  UCR279151  Condalia globosa var. pubescens A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-7 42724 Imperial Sonoran (Colorado) Desert, upper Ninemile Wash, near old well (windmill) and trough, Chocolate Mountains 409 Comment
  UCR251980  Conium maculatum A. C. Sanders, T. B. Salvato 2014-7-2 41181 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR193278  Conyza bonariensis A. C. Sanders, Fred M. Roberts 2008-6-17 35512 Orange Peninsular Range; Santa Ana Mtns., middle section of Weir Canyon, SSE of Walnut Canyon Reservoir 225 Comment
  RSA749046  Conyza canadensis A. C. Sanders, Fred M. Roberts 2008-8-7 36008 Orange Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir 226 Comment
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Dec 21 2010
  UCR163325  Conyza canadensis A. C. Sanders, T. B. Salvato 2005-10-14 31851 San Diego Peninsular Range, Palomar Mtn., Plaisted Creek Ecological Reserve, NE of Rincon & Pauma Valley, between Plaisted Cr. and Hwy 76, SE lobe of reserve near residences abandoned in 1996 793 Comment
  UCR193958  Conyza canadensis A. C. Sanders 2008-7-25 35886 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CAS-BOT-BC237932  Cordylanthus eremicus subsp. eremicus A. C. Sanders; G. F. Pratt; C. Pierce; Pam MacKay; Tim Thomas 1997-10-11 21550 Inyo Mojave Desert: China Lake Naval Weapons Center, Etcharren Valley between Coso and Argus Ranges, just W of Carricut Dry Lake, 2.4 mi. SSE of Junction Ranch at road junction 1732 Comment
  RSA628411  Cordylanthus nevinii A. C. Sanders, P. J. MacKay, G. Helmkamp, S. White 1994-8-21 15364 San Bernardino Hooks Creek at Forest Service road crossing just above confluence with Little Bear Creek, below Cedar Glen and east of Lake Arrowhead 1445 Comment
  UCR242667  Cordylanthus nevinii A. C. Sanders 2013-7-6 40848 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  RSA0084752  Cordylanthus rigidus A. C. Sanders, Joshua M. Brokaw 2008-5-28 35428 Orange Peninsular Range; Santa Ana Mtns.: upper Weir Canyon, along old dirt road west of Eastern Transportation Corridor, 1.65 mi. east of south end of Walnut Cyn Reservoir (Black Star Canyon 7.5' Q.) 372 Comment
  UCR121626  Cordylanthus rigidus A. C. Sanders, J. R. Ekhoff 2001-9-7 24844 San Diego Peninsular Range, Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along road in upper DFG parcel 396 Comment
  UCR193827  Cordylanthus rigidus A. C. Sanders, Fred M. Roberts 2008-7-16 35852 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hangmans Tree Canyon 395 Comment
  RSA0084753  Cordylanthus rigidus subsp. setiger A. C. Sanders, T. B. Salvato 2005-9-9 31659 San Diego South Coast: San Elijo Lagoon Ecological Reserve, Solana Beach, E of I-5 on south side of lagoon off end of Santa Helena Rd., near powerlines. 15 Comment
  RSA0093738  Coreopsis bigelovii A. C. Sanders 2010-4-14 37903 Kern Tehachapi Mountains. Canyon del Gato Montes, above confluence with Canyon del Agua Escondida. 1482 Comment
  UCR195010  Coreopsis tinctoria A. C. Sanders, Fred M. Roberts 2008-8-7 35981 Orange Peninsular Range; Santa Ana Mtns., lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate 192 Comment
  RSA733354  Corethrogyne filaginifolia A. C. Sanders, Kent Beaman, T. B. Salvato 2006-9-8 33151 San Bernardino East of Running Springs School Rd. at the SE edge of Running Springs, south of Hwy 18 near Seymour Flat 1890 Comment
  UCR184654  Cornus glabrata A. C. Sanders, Mitch Provance 2007-5-25 33955 Kern Tehachapi Mountains, Pastoria Creek (Bear Trap) Canyon, about 1 mile below where paved road from Castac Lake crosses canyon, c. 6 miles NE of Lebec 1098 Comment
  SD186148  Coronopus didymus A. C. Sanders, E. J. Lawlor and Don Pendleton 1992-3-21 12073 Riverside Oasis Date Garden, 4.4 miles north of Mecca on Highway 111, near Ave. 59. -43 Comment
  IRVC28142  Cortaderia selloana A. C. Sanders, Mark A. Elvin, Kerry Knudsen 2004-9-3 28783 San Diego Carlsbad; Agua Hedionda Ecological Reserve; off Park St, heat Laguna Riviera Park; along foot trail/service road along NE side of reserve. Southern Coastal 3 Comment
  UCR123265  Cotula coronopifolia A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25488 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  RSA732122  Crassula connata A. C. Sanders, Fred M. Roberts 2008-4-8 34725 Orange Peninsular Range: Lomas de Santiago, Loma Ridge, head of Hicks Canyon. S of Santiago Reservoir. 351 Comment
  UCR97897  Crassula connata A. C. Sanders 1997-3-1 19706 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA466286  Crassula connata var. subsimplex A. C. Sanders 1988-2-3 7609 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  SBBG92566  Crassula erecta A. C. Sanders 1988-2-12 7626 Unknown Bahia San Quintin, S side at base of sand spit which closes bay, 6 km W of Hwy 1 at the Cielito Lindo Hotel, Baja California Norte 2 Comment
  CAS-BOT-BC427961  Crassula tillaea A. C. Sanders 2003-3-14 25775 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel. 171 Comment
  RSA654969  Cressa truxillensis A. C. Sanders, D. Malueg, K. D. Jones, et al. 2000-9-8 23637 Riverside Perris-Anuanga Basin Region: French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., ca. 0.5 km NE of Adobe Spring E. 409 Comment
  SD234930  Crocanthemum aldersonii A. C. Sanders, C. Burrascano. Et al. 2003-5-3 26475 San Diego Peninsular Range: Otay Mountain, along trail between Copper Canyon and Wild Bill's Draw on the south side of the mountain just barely north of the Mexican border. 366 Comment
  UCR128255  Croton californicus A. C. Sanders, Kelly Volansky 2003-10-16 27345 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR154442  Croton californicus A. C. Sanders, Mike Misenhelter 2005-6-15 30979 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR261489  Croton setiger A. C. Sanders, Katie Young, John Hale 2015-4-22 41582 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  UCR83722  Croton setiger A. C. Sanders, P. J. MacKay 1994-6-19 14828 San Bernardino San Bernardino Mtns., lower Miller Canyon (E fork of W fork of Mojave River), below Pilot Rock Camp 1128 Comment
  UCR143643  Crypsis schoenoides A. C. Sanders 1993-9-5 14207 San Bernardino San Bernardino Valley, Yucaipa; Yucaipa Regional Park, entrance c. 0.8 mi west of Bryant Street on Oak Glen Road 762 Comment
  UCR127506  Cryptantha A. C. Sanders, P. J. MacKay, Tim Thomas 2003-5-18 26776 San Bernardino San Bernardino Mountains, Cleghorn Road, 0.5 mi. NE of Cajon 1006 Comment
  UCR240057  Cryptantha A. C. Sanders 2012-5-22 40190 San Bernardino San Bernardino Valley; Cajon Pass Area, near confluence of Cajon and Lytle Creek washes, N of Rialto and west of Muscoy, N of Riverside Ave. beyond end of Country Club Dr. 442 Comment
  UCR260892  Cryptantha A. C. Sanders 2008-4-10 34817 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  UCR261442  Cryptantha A. C. Sanders, Mitch Provance 2015-5-13 41686 Kern Tehachapi Mountains, Banducci Road in foothills above Cummings Valley, 0.91 road km west of Alps Dr. 1380 Comment
  SEINET3124281 Image available Cryptantha angustifolia A. C. Sanders 2009-3-15 36413 San Bernardino Mojave Desert: Cadiz Valley, c. 2.2 miles (air) WSW of Chambless, 1 mile south of Rte 66/National Trails Hwy (Cadiz 7.5 Q.) 231 Comment
  UCR41754  Cryptantha angustifolia A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright 1986-3-10 6270 Imperial Sonoran (Colorado) Desert, N foot Mount Signal, just north of the international boundary, 1.43 mi. west of Mt. Signal Rd. on BLM road Y2918 61 Comment
  SD126018  Cryptantha barbigera A. C. Sanders 1988-5-11 7797 Riverside Chocolate Mountains, Iris Pass area,12 miles above the Coachella Canal in a wash east of the gasline road from Niland 550 Comment
  UCR83164  Cryptantha barbigera A. C. Sanders, S. J. Myers, P. J. MacKay 1994-5-27 14531 San Bernardino San Bernardino Mtns, Lower Furnace Canyon on the north slope of the mountains above Lucerne Valley 1500 Comment
  CAS-BOT-BC536484  Cryptantha corollata A. C. Sanders; Mitch Provance 2003-4-2 25807 San Bernardino San Bernardino Valley: Colton Dunes, N of Santa Ana Ave and E of Rierside Ave, on the E side of the tank farm, S of Slover Ave Dunes: ca. 34-03-25N, 117-21-35W, +-100m 304 Comment
  IRVC26981  Cryptantha corollata A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26061 Los Angeles Newhall Ranch, north of the powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  UCR119442  Cryptantha corollata A. C. Sanders, Mitch Provance 1999-9-26 23087 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR45198  Cryptantha costata A. C. Sanders 1986-5-10 6496 Riverside Western Colorado Desert, Coachella Valley, mouth of the Whitewater River, along the levee where the river crosses Lincoln St., 3 mi south of Mecca -70 Comment
  RSA0079517  Cryptantha cycloptera A. C. Sanders, A. Howald, Fred M. Roberts, et al. 2009-3-25 36599 San Bernardino Cady Mountains, 3.5 miles SW of Broadwell Lake, c. 2.5 mi. NE of Sleeping Beauty Mtn. 579 Comment
  UCR215061  Cryptantha decipiens A. C. Sanders, Florence Caplow 2010-5-5 38309 San Bernardino Eastern Mojave Desert, Ivanpah Valley, limestone hill emerging from alluvium below Clark Mountain, 6.5 km NW (291 deg. ) of Primm Valley Golf Club, 8 km W of I-15 1030 Comment
  UCR203629  Cryptantha dumetorum A. C. Sanders 2009-3-16 36473 San Bernardino Mojave Desert, Cady Mountains, alluvial slope 2 miles west of Broadwell Lake, c. 1 mile SW of Old Dominion Mine 480 Comment
  UCR279374  Cryptantha dumetorum A. C. Sanders, Jim Malusa 2017-3-24 42952 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UCR281047  Cryptantha echinella A. C. Sanders, Mark Bibbo, Morgan King, Stephanie Hines 2017-5-22 43209 San Bernardino San Bernardino Mountains, eastern Holcomb Valley along SCE powerline just north of Holcomb Valley Road (3N16), NW of Saragossa Spring 2302 Comment
  UCR86186  Cryptantha holoptera A. C. Sanders, P. MacKay, A. Knapp, D & S. Kaufman 1995-4-9 16404 San Bernardino Mojave Desert, Pisgah Crater, 2.1-2.6 miles east of Pisgah Crater Road, c. 45 miles ESE of Barstow, south of frontage road at bend 660 Comment
  UCR203943  Cryptantha inaequata A. C. Sanders, Jim Andre 2009-3-13 36367 San Bernardino Mojave Desert, old volcanic cinder mine site (c. 1955) on south side of Dish Hill, north of National Trails Hwy c. 1 mile NE of East Siberia siding, c. 12 miles west of Amboy via the highway 343 Comment
  OBI42563  Cryptantha intermedia A. C. Sanders 1986-6-1 6538 Riverside San Jacinto Mts, along the trl toward Spitler Peak from the Hurkey Crk camp to Bonita Vista Rd (T5S, R3E, N1/2, sec 35) 1707 Comment
  OBI42797  Cryptantha intermedia A. C. Sanders 1986-5-26 6512 San Bernardino Cajon Pass, between San Bernardino & San Gabriel Mts. Cajon Summit, E side of I-15 just S of the Oak Hill Rd exit. SW 1/4 of Cajon (north) UTM 10km cell: MJ-ON, 6E 1277 Comment
  RSA734012  Cryptantha intermedia A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34621 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir. 366 Comment
  SEINET3084405 Image available Cryptantha intermedia Andrew C. Sanders 1986-5-26 6512 San Bernardino San Bernardino Mtns.; Cajon Pass, between San Bernardino and San Gabriel Mtns, Cajon Summit, E side of I-15 just south of Oak Hill Road exit 1277 Comment
  UCR140444  Cryptantha intermedia A. C. Sanders 2004-4-9 27454 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR192450  Cryptantha intermedia A. C. Sanders, Fred M. Roberts 2008-3-25 34580 Orange Peninsular Range; Santa Ana Mtns., saddle on ridge near head of Weir Canyon, 5.3 miles ENE of Villa Park, 3.1 mi. N of (Santiago Reservoir) Irvine Lake 405 Comment
  UCR213602  Cryptantha intermedia A. C. Sanders, Matthew Malle 2010-4-23 37999 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  HSC83046  Cryptantha maritima A. C. Sanders 1986-3-8 6151 Imperial N end of Algodones Dunes, E Mesa at E end of Montgomery Rd., l mi. E of Highline Canal 18 Comment
  RSA564039  Cryptantha maritima A. C. Sanders 1992-4-4 12103 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  UCR86811  Cryptantha micrantha var. lepida A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16841 San Bernardino San Bernardino Mtns. / Mojave Desert, Pioneertown Road, 1.9 miles north of Yucca Valley (at Yucca Trail), 2.1 miles south of Pioneertown, Water Canyon 1125 Comment
  UCR116813  Cryptantha micrantha var. micrantha A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23943 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  SD233774  Cryptantha micromeres A. C. Sanders, M. Elvin, C. Burrascano, A. Pinolo, A. Thompson et al. 2003-5-4 26548 San Diego Peninsular Range, San Ysidro Mtns.: Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail (Otay Mountain 7.5'Q) 945 Comment
  RSA711035  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak. 622 Comment
  SBBG119923  Cryptantha microstachys A. C. Sanders 2003-4-29 26163 Los Angeles Castaic Mesa, Newhall Ranch, N of Charlie Cyn and E of Lake Hughes Rd 396 Comment
  SEINET273057  Cryptantha microstachys A. C. Sanders 1997-4-3 20175 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd. on E si 473 Comment
  UCR126895  Cryptantha microstachys A. C. Sanders 2003-4-29 26163 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  UCR157463  Cryptantha microstachys A. C. Sanders 1994-5-30 14596 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR165247  Cryptantha microstachys A. C. Sanders, Helen Kennedy 2005-4-13 29476 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  UCR157745  Cryptantha mohavensis A. C. Sanders, Steve Boyd, B. G. Pitzer, et al. 1986-4-12 6449 San Bernardino S Mojave Desert/San Bernardino Mtns. Foothills, Mojave River Valley SE of Hesperia, north slopes of a hill along Lake Arrowhead Road, 1.8 miles south of Ranchero Road and near the confluence of the Mojave River and Deep Creek 948 Comment
  RSA0035745  Cryptantha muricata A. C. Sanders 2013-7-6 40838 Riverside Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  UCR127175  Cryptantha muricata A. C. Sanders, Mark A. Elvin 2003-6-20 27007 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  UCR127964  Cryptantha muricata A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21993 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  UCR204155  Cryptantha nevadensis var. nevadensis A. C. Sanders 2009-3-15 36403 San Bernardino Mojave Desert, Cadiz Valley, c. 2.2 miles (air) WSW of Chambless, c. 1 mile south of Rte 66/National Trails Hwy 231 Comment
  RSA0116264  Cryptantha nevadensis var. rigida A. C. Sanders 2008-4-17 34931 Los Angeles Transverse Range: hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon. 1037 Comment
  SEINET1007997  Cryptantha nevadensis var. rigida A. C. Sanders, B. G. Pitzer, A. Strickland 1986-1 6603 San Bernardino San Bernardino Mtns.; Hills on the N side of Baldwin Lake, ca. 0.75 mi. N of Hwy 18 [near site of Doble] on road to Lucky Baldwin Mine. 2073 Comment
  UCR127959  Cryptantha nevadensis var. rigida A. C. Sanders, E. J. Lott 1993-5-6 13953 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  UCR162784  Cryptantha nevadensis var. rigida A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-28 17158 San Bernardino San Bernardino Mtns, Ord Mtns area on north slope, 0.5 mi. NW of Bowen Ranch, south of Juniper Flats 1400 Comment
  UCR203463  Cryptantha pterocarya var. pterocarya A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-5 36235 San Bernardino Mojave Desert, Cady Mountains at edge of Broadwell Valley, saddle between hills along powerline road c. 10-11 mi. NE of I-40, at foot of peak 2633, north of Sleeping Beauty Mtn. 583 Comment
  UCR224796  Cryptantha pterocarya var. pterocarya A. C. Sanders, Ann Howald, Onkar Singh, Brian A. Elliott, Eve Laeger, Chloe Scott, Bill Clark, et al 2011-4-12 39086 Inyo NE Mojave Desert, Pahrump Valley, along stateline road (dirt) c. 2.2 miles NW of Old Spanish Trail Hwy 808 Comment
  UCR157857  Cryptantha pterocarya var. purpusii A. C. Sanders, E. A. Helmkamp, G. K. Helmkamp 1995-4-30 16794 San Bernardino Eastern San Bernardino Mtns./Mojave Desert, Morongo Valley, Little Morongo Canyon, stream crossing 1.75 miles north of Hwy 62 1000 Comment
  SEINET1908689  Cryptantha racemosa A. C. Sanders, Mark Elvin 2001-1 24268 San Bernardino Southcentral Mojave Desert: northern end of Sheep Hole Mountains, large canyon east of microwave tower at summit of Sheep Hole Pass (Dale Lake) 762 Comment
  UCR82835  Cryptantha racemosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15814 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR225099  Cryptantha recurvata A. C. Sanders, Ann Howald, O. Singh, B. Elliott, E. Laeger, C. Scott, B. Clark 2011-4-20 39204 Inyo NE Mojave Desert, Pahrump Valley, 0.8 mi. south of Old Spanish Trail Hwy off dirt road along NV state line, at first major wash 828 Comment
  UCR192012  Cryptantha similis A. C. Sanders 2008-4-17 34919 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  IRVC26122  Cryptantha utahensis A. C. Sanders, Mark Elvin 2003-4-5 25937 San Bernardino UC Burns Pinyon Ridge Reserve, off Skyline Ranch Rd. ca. 2 miles (air) ESE of Pinoneertown, 1.5 mi. (air) NW of Yucca Valley, canyons south of road from front gate to old Burns home. Little San Bernardino Mountains 1098 Comment
  SEINET2042095 Image available Cryptantha utahensis A. C. Sanders 2001-4-8 23985 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. And Atlantic Ave, N of flood control ditch. 348 Comment
  UC2015591  Cryptantha utahensis A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16178 Riverside Coachella Valley/ San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. Comment
  UCR113645  Cryptantha utahensis A. C. Sanders, Ed LaRue 1997-4-24 20570 San Bernardino San Bernardino Mtns., BLM land on north side of peak 5524 near Round Mountain, NW of the Partin Bros. (Lester) Mine at Terrace Springs, NE end of S.B. Mtns. 1677 Comment
  UCR88262  Cryptantha utahensis A. C. Sanders, P. MacKay, A. Knapp, D & S. Kaufman 1995-4-9 16445 San Bernardino Mojave Desert, Stoddard Ridge at pipeline crossing near Traer Agua Canyon, c. 18 mi SSE of Barstow 1240 Comment
  UCR125126  Cucurbita foetidissima A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25106 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 366 Comment
  RSA756062  Cucurbita pepo A. C. Sanders, Fred M. Roberts 2008-9-18 36087 Orange Lomas de Santiago, Santiago Creek Canyon c. 0.5-0.8 miles above the highway bridge 300 Comment
  UCR117113  Cupaniopsis anacardioides A. C. Sanders, D. Malueg 2001-5-17 24349 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  UCR205523  Cupaniopsis anacardioides A. C. Sanders, T. B. Salvato 2009-5-19 36814 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  RSA661299  Cupressus forbesii A. C. Sanders, Mark Elvin 2000-8-4 23596 San Diego Monardella Gulch , tributary of Cottonwood Creek on W slope of Tecate Peak, above E end Marron Valley and just north of the Mexican border 488 Comment
  UCR28372  Cupressus forbesii A. C. Sanders, D. E. Emery, M. Beauchamp 1982-3-19 2423 San Diego Peninsular Range, San Ysidro Mountains, Otay Mtn., along the road from Doghouse Saddle (3305 ft.) to the summit 1037 Comment
  UCR116382  Cuscuta A. C. Sanders, Mitch Provance, Tim Thomas 2001-3-16 23777 San Bernardino Southcentral Mojave Desert, Bristol Lake Basin, 8.8 mi. north of summit of Sheep Hole Pass on Amboy Rd. 244 Comment
  UCR35576  Cuscuta A. C. Sanders, F. C. Vasek, K. R. Neisess, W. Smith 1981-5-8 2091 San Bernardino Mojave Desert, Slate Range, near Standard Mine, due east of Trona 734 Comment
  SBBG128731  Cuscuta californica A. C. Sanders 2011-5-12 39629 Inyo Nopah Range, W slope along Old Spanish Trail Hwy, 0.7 km below Emigrant Pass summit 826 Comment
  UCR127695  Cuscuta californica A. C. Sanders, T. Schram, D. Wappler 1994-9-30 15728 San Bernardino San Bernardino Mtns, Lower Deep Creek from the spillway of the Mojave River Forks Dam upstream to the hot spring 1037 Comment
  UCR137284  Cuscuta californica A. C. Sanders, Kerry Knudsen 2004-7-2 28409 San Diego Peninsular Range, Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along road in lower canyon 244 Comment
  UCR195099  Cuscuta californica A. C. Sanders 2008-8-14 36020 Ventura South Coast; Ventura Coastal Basin, Oxnard, near Mandalay power station (Edison) on east edge of Harbor Blvd. between 5th St. and Gonzalez Ave., S of McGrath St. Beach 3 Comment
  SD167144  Cuscuta californica var. californica A. C. Sanders, T. B. Salvato 2005-9-9 31657 San Diego San Elijo Lagoon Ecological Reserve, Solana Beach, east of the I-5 on south side of lagoon off end of Santa Helena Rd., near powerlines. 14 Comment
  UCD126282  Cuscuta campestris A. C. Sanders; D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23171 Riverside Riverside County San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles southeast of Jackrabbit Trail on Gilman Springs Road, 1.4 miles south of Eden Hot Springs. 433 Comment
  RSA661281  Cuscuta ceanothi A. C. Sanders, Mark Elvin 2000-8-4 23604 San Diego Monardella Gulch, tributary of Cottonwood Creek on W slope of Tecate Peak, above E end Marron Valley and just north of the Mexican border. 488 Comment
  UCR110418  Cuscuta pentagona A. C. Sanders, Mitch Provance 1999-9-26 23127 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR143631  Cuscuta salina A. C. Sanders, Kerry Knudsen 2004-10-15 28855 San Diego South Coast, San Dieguito Lagoon Ecological Reserve (DFG), along Palm Lane (closed/abandoned) east of San Dieguito Dr. 2 Comment
  SD167143  Cuscuta subinclusa Andrew C. Sanders 2005-10-5 31698 San Diego Blue Sky Ecological Reserve (DFG), east of Rancho Bernardo and north of Poway, along road in lower canyon below turnoff to Lake Poway 182 Comment
  UCR127692  Cuscuta subinclusa A. C. Sanders, T. Schram, D. Wappler 1994-9-30 15725 San Bernardino San Bernardino Mtns, lower Deep Creek from the spillway of the Mojave River Forks Dam upstream to the hot spring 945 Comment
  UCR193793  Cuscuta subinclusa A. C. Sanders, Fred M. Roberts 2008-7-3 35688 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir 285 Comment
  UCR263232  Cycloloma atriplicifolium A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41458 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  RSA726018  Cyclospermum leptophyllum A. C. Sanders 2003-4-19 26081 San Diego Southern Coast: San Diego, Balboa Park, near entrance to San Diego Zoo 91 Comment
  UCR125626  Cyclospermum leptophyllum A. C. Sanders 2003-5-26 26847 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA653201  Cymopterus aboriginum A. C. Sanders, G. F. Pratt, C. L. Pierce 1997-4-5 20244 San Bernardino Northern Mojave Desert: Avawatz Mtns.: Fort Irwin National Training Center, spring in canyon S of peak 4849. 1189 Comment
  SD227717  Cymopterus aboriginum A. C. Sanders, G. F. Pratt & C. L. Pierce 1997-4-5 20265 San Bernardino Northern Mojave Desert: Avawatz Mountains, Fort Irwin Military Reservation, east draining large canyon 1.5 km SE of peak 1876 m (BM Avawatz), ca. 5 km SW of Old Mormon Spring 1402 Comment
  UCR211061  Cynanchum utahense A. C. Sanders, A. Howald, Fred M. Roberts, et al 2009-3-25 36582 San Bernardino Mojave Desert, Cady Mountains, 3.5 miles SW of Broadwell Lake, c. 2.5 mi. NE of Sleeping Beauty Mtn. 610 Comment
  RSA714989  Cynodon transvaalensis A. C. Sanders 2003-5-22 26810 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  SD224797  Cynosurus echinatus A. C. Sanders, P. MacKay, et al 1996-6-16 18201 San Bernardino San Bernardino Mtns.: Switzer Park near Lake Arrowhead. 1723 Comment
  SD144143  Cyperus difformis A. C. Sanders 1994-7-26 15150 Riverside Santa Ana River at the Mission Blvd. at 7th Street bidge; west foot of Mount Rubidoux; disturbed riparian zone in sandy riverbottom; uncommon annual in wet sand, mostly shallow water along the river. 239 Comment
  UCR154118  Cyperus eragrostis A. C. Sanders 2005-5-13 30218 San Diego Peninsular Ranges; Coastal Foothills region, Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, along Green Valley Truck Trail, in canyon above turnoff to Lake Poway 207 Comment
  UCR45016  Cyperus eragrostis A. C. Sanders 1986-7-30 6812 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  RSA613957  Cyperus odoratus A. C. Sanders 1994-7-27 15164 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 246 Comment
  UCR24893  Cystopteris fragilis A. C. Sanders 1980-7-22 1700 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  HSC83085  Dalea mollis A. C. Sanders, Pitzer, Weir, Charlton, Kniffen, Wright, Bramlett 1986-3-8 6172 Imperial E side of Algodones Dunes, 2.7 mi. NW of Glamis along dirt road parallel to RR, SW of Mesquite Siding 85 Comment
  OBI38804  Dalea mollis A. C. Sanders, Pitzer, Charlton, et al. 1986-3-8 6160 Imperial East Mesa, E end of Montgomery Rd at the Coachella Canal, ca 1.25 mi NW of Mammoth Wash crossing of the canal. T12S, R15E, SE 1/4 sec 1 27 Comment
  UCR269476  Datura discolor A. C. Sanders, Jim Malusa 2016-3-6 42106 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Mammoth Wash area on dirt road toward Hayden Well from Ted Kipf Rd., 4.18 km NE (68 deg. ) of Tortuga Siding on the railroad 122 Comment
  SD241958  Datura stramonium A. C. Sanders 2010-7-3 38522 Kings San Joaquin Valley: Tulare Lake bed, Nevada Avenue near 25th Avenue, 6 miles east of the Avenall Cutoff, 10.5 km SW (235a^z) of Stratford (Westhaven 7.5'Q) 66 Comment
  RSA715071  Daucus pusillus A. C. Sanders, D. Malueg 2003-5-8 26578 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  RSA715190  Daucus pusillus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32542 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  UCR192649  Daucus pusillus A. C. Sanders 2008-4-2 34697 San Bernardino Eastern Mojave Desert, Ivanpah Valley, foothills and alluvial slopes along powerline road from Primm to Keaney Pass 980 Comment
  SD173397  Deinandra fasciculata Andrew C. Sanders 2005-6-22 31162 San Diego Buena Vista Lagoon Ecological Reserve (DFG), Carlsbad, north side of lagoon between Carlsbad Blvd. (S-21) and the RR, south of Eaton St. Comment
  SD178130  Deinandra kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. At edge of riparian zone and on dry hill slopes. 377 Comment
  CAS-BOT-BC291902  Deinandra mohavensis A. C. Sanders; Steve Boyd; Jeff Ross; Mitch Provance 1998-10-25 22272 Riverside San Jacinto Mtns.: Hwy 243 between Idyllwild and Mountain Center, 1 mile north of Mtn. Center 1159 Comment
  UC1746500  Deinandra pallida A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke, et al. 1997-4-13 20446 Kern bank of California Aqueduct at road crossing near Tecuya Crk; San Joaquin Valley; bank of California Aqueduct at road crossing near Tecuya Crk., SW of intersection of I-5 and Laval Rd. 384 Comment
  RSA515703  Delosperma litorale A. C. Sanders 1987-7-22 7147 Los Angeles El Segundo Dunes, w of los Angeles Int. Airport and Pershing Drive. 30 Comment
  SD126464  Delosperma litorale A. C. Sanders 1987-7-22 7147 Los Angeles El Segundo Dunes, west of L.A. Int. airport & Pershing Dr., east of Vista Del Mar Blvd. 29 Comment
  UCR140299  Delphinium parryi A. C. Sanders 2004-4-9 27463 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR187181  Deschampsia danthonioides A. C. Sanders 2006-4-21 32151 Los Angeles Tehachapi Mtns. Foothills, ephemeral stream c. 1 mile east of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1006 Comment
  UCR229217  Descurainia incisa A. C. Sanders 2011-7-21 39850 San Bernardino San Bernardino Mtns., Big Bear Valley between Big Bear Lake (Hwy 18) and Moonridge, Rathbone Creek, 10 acre parcel between Moonridge Rd. and the golf course, east of Club View Dr. 2116 Comment
  CAS-BOT-BC133198  Descurainia pinnata A. C. Sanders; A. Howald; Florence Caplow; et al 2010-5-3 38215 San Bernardino Eastern Mojave Desert: Ivanpah Valley, slopes below Clark Mountain, proposed utility corridor from dirt road (at given coordinates) north to Kern gass pipeline corridor scar 930 Comment
  CAS-BOT-BC248274  Descurainia pinnata A. C. Sanders; Ann Howald; O. Singh; B. Elliot; E. Laeger; C. Scott; B. Clark; et al 2011-4-22 39297 Inyo NE Mojave Desert: southern Pahrump Valley, 100 m north of Moon Path Ln., SE of Calvada Springs, 2.25 km west of the NV state line, 3.25 km east of Rose Av. 817 Comment
  SD167180  Descurainia pinnata Andrew C. Sanders 2005-4-15 29509 San Diego Batiquitos Lagoon Ecological Reserve, just N of Leucadia, north side of the mouth of the lagoon between the railroad crossing and Carlsbad Blvd. Comment
  UCR203519  Descurainia pinnata A. C. Sanders, Jim Andre, Brian A. Elliott, et al 2009-3-6 36256 San Bernardino Mojave Desert, Broadwell Valley, SW of Broadwell Lake on alluvial fan from the Cady Mtns. 424 Comment
  UCR225230  Descurainia pinnata A. C. Sanders, Ann Howald, O. Singh, B. Elliott, E. Laeger, C. Scott, B. Clark, et al 2011-4-22 39307 Inyo NE Mojave Desert, southern Pahrump Valley, SE of Calvada Springs on Moon Path Ln., 1.7 km east of Rose Av., 3.8 km west of NV state line 807 Comment
  UCR261586  Descurainia pinnata A. C. Sanders, Jim Malusa 2015-3-6 41305 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, lower part of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 326 Comment
  UCR130787  Descurainia sophia A. C. Sanders 1999-6-24 22885 San Bernardino San Bernardino Mtns., Big Bear Valley, south side of Baldwin Lake, Palomino Dr. c. 1/4 mi. north of Shay Rd. at entrance to wastewater treatment facility, proposed expansion area 2049 Comment
  UCR185424  Dicentra chrysantha A. C. Sanders, Mitch Provance 2007-6-28 34262 Kern Tehachapi Mtns., Dry Field Canyon, c. 2 miles east of Castac Lake and 4 miles NE of Gorman, c. 1.5 mi. north of the Los Angeles Co. line west of the powerline route 1220 Comment
  UCR260886  Dicentra chrysantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41569 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 396 Comment
  UCR155070  Dichelostemma capitatum A. C. Sanders, Kelly Volansky 2005-3-17 29215 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR191358  Dichelostemma capitatum A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34644 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 330 Comment
  SD234442  Dichelostemma capitatum subsp. capitatum A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26117 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam (Warm Springs Mtn 7.5' Q) 487 Comment
  UCR18233  Dichelostemma capitatum subsp. pauciflorum A. C. Sanders 1978-4-6 977 San Bernardino Eastern Mojave Desert, Clipper Valley at the NE foot of the Clipper Mtns., c. 12 mi west of Fenner on Interstate Hwy 40, vicinity of Goldhammer Mine 673 Comment
  UC1494252  Dieteria asteroides var. asteroides A. C. Sanders 1980-11-15 2046 San Bernardino sw of Earp (at Big River, along the Colorado River, n Colorado Desert); Colorado Desert, Colorado River, Big River 121 Comment
  SD212403  Dietes iridioides Andrew C. Sanders 2005-6-2 30413 San Diego Palomar Mtn., Plaisted Creek Ecological Reserve, NE of Rincon & Pauma Valley, between Plaisted Cr. and Hwy 76, SE lobe of reserve near residences abandoned in 1996 Quad: Boucher Hill 7.5A Q. 701 Comment
  RSA605374  Diplotaxis muralis A. C. Sanders 1990-10-6 10186 Orange Newport Bay, North Star County Beach area on the SW end of the bay, ca. 2 km inland of Hwy 1 1 Comment
  UCR136809  Distichlis spicata A. C. Sanders, Petra Wester 2004-5-21 27949 San Diego South Coast, Carlsbad, Agua Hedionda Ecological Reserve, off Park St. east of Neblina 3 Comment
  UCR162522  Distichlis spicata A. C. Sanders, T. B. Salvato 2005-10-12 31846 San Diego South Coast, Carlsbad, Carlsbad Highlands Ecological Reserve, permanent spring in canyon c. 0.75 mile SE of Cerro de la Calavera 61 Comment
  UCR234230  Distichlis spicata A. C. Sanders 2012-5-3 40119 Inyo NE Mojave Desert, Shoshone, along Hwy 178 at Amargosa River crossing, below layered, white, sedimentary cliffs of old lake deposits 470 Comment
  UCR21033  Ditaxis claryana A. C. Sanders 1980-3-16 01158 San Bernardino Colorado River Valley, 8 mi NE of Earp near the Empire Landing Campground 122 Comment
  SBBG87466  Ditaxis lanceolata A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6026 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 411 Comment
  UCR214433  Ditaxis lanceolata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37492 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR266578  Ditaxis lanceolata A. C. Sanders, J. Malusa 2016-1-22 41943 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, 100 m radius around Beal's Well, US Navy Chocolate Mountains Aerial Gunnery Range 412 Comment
  UCR279226  Ditaxis lanceolata A. C. Sanders, Jim Malusa 2017-3-13 42857 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Salvation Wash east of Salvation Pass, 1 km above to 1.1 km below confluence with German Diggins Wash 373 Comment
  UCR215063  Draba cuneifolia A. C. Sanders, Florence Caplow 2010-5-5 38312 San Bernardino Eastern Mojave Desert, Ivanpah Valley, limestone hill emerging from alluvium below Clark Mountain, 6.5 km NW (291 deg. ) of Primm Valley Golf Club, 8 km W of I-15 1030 Comment
  UCR269717  Draba cuneifolia A. C. Sanders, Jim Malusa 2016-3-15 42236 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, c. 1.1 km NNE of Beal Well, north side of a rocky hill east of old Niland-Blythe Rd. 442 Comment
  SD260233  Draba cuneifolia var. integrifolia A. C. Sanders, Jim Malusa, Marc A. Baker, Michelle Cloud-Hughes 2016-3-15 42209 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, c. 0.8 km NE of Beal Well and c. 0 - 0.4 km east of old Niland-Blythe Rd. Aluvial slope among rocky (mostly granitic) hills. 427 Comment
  UCR127641  Duchesnea indica A. C. Sanders, Andy Thomson 2003-4-15 26010 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  SD212577  Dudleya edulis Andrew C. Sanders 2005-5-27 30298 San Diego Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center Quad: Encinitas 7.5A Q. Comment
  RSA714227  Dudleya lanceolata A. C. Sanders, Kerry Knudsen 2004-7-2 28413 San Diego Peninsular Range: Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along road in lower canyon. 244 Comment
  UCR159012  Dudleya pulverulenta A. C. Sanders 2005-6-22 31196 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side east of the I-5 Fwy, along the trail past the nature center 6 Comment
  SD167159  Dysphania ambrosioides Andrew C. Sanders 2005-10-12 31818 San Diego Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons ca. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  UCR77095  Dyssodia pentachaeta subsp. pentachaeta A. C. Sanders, E. J. Lott 1993-5-30 14124 San Bernardino Eastern Mojave Desert, Cornfield Spring Canyon, W slope of Providence Mtns, 4 mi SE of Kelso 976 Comment
  SEINET13323968  Echinocereus engelmannii A. C. Sanders, J. Malusa. Marc A. Baker, Michelle Cloud-Hughes 2016-3-15 42231 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, c. 0.8 km NE of Beal Well and c. 0-0.4 km east of old Niland-Blythe Rd. 427 Comment
  UCR88548  Echinocereus mojavensis A. C. Sanders, P. J. MacKay, A. Meyer 1995-6-11 17301 San Bernardino San Bernardino Mountains, north of Baldwin Lake: Forest Service Road 3N03 (Smart's Ranch Rd.), 2.45 mi southeast of Hwy 18, 0.8 mi west of Smart's Ranch 1829 Comment
  SD124756  Echinochloa colona A. C. Sanders 1986-9-12 6932 Stanislaus San Juaquin Valley, West end of Crow's Landing Road, circa 1 mile West of I-5 & 4.5 mile South-southwest of Patterson. 91 Comment
  IRVC28764  Echinochloa colona A. C. Sanders, Mark Elvin 2002-8-7 25556 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  RSA714626  Echinodorus berteroi A. C. Sanders, T. B. Salvato 2005-10-14 31882 San Diego Peninsular Range: Boden Canyon Ecological Reserve (DFG), tributary of Santa Ysabel Creek and the pond (reservior) in middle DFG parcel, W & SW foot of Orosco Ridge. 244 Comment
  UCR36489  Echinodorus berteroi A. C. Sanders, J. Zabriskie 1984-6-18 5069 Sacramento American River NE of Sacramento, C.M. Goethe Park near Rancho Cordova 18 Comment
  RSA528090  Echium candicans A. C. Sanders 1990-10-6 10183 Orange Newport Bay, North Star County Beach area on the SW end of the bay, ca. 2 km inland of Hwy 1 1 Comment
  SD236186  Eclipta prostrata A. C. Sanders, Fred M. Roberts 2008-9-18 36069 Orange Peninsular Range; Santa Ana Mtns. Foothills: Lomas de Santiago, Santiago Creek Canyon c. 1 mile above the highway bridge 320 Comment
  RSA756988  Ehrharta erecta A. C. Sanders 2009-4-19 36800 Santa Barbara Santa Barbara, near Santa Barbara City College, near intersection of Montecito St. and Castillo St., between Hwy 101 and the harbor 15 Comment
  SBBG126182  Ehrharta erecta A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36971 Los Angeles Baldwin Park, light industrial park at end of Cloverleaf Dr, E bank of San Gabriel River NE of its confluence with Walnut Crk, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  SBBG92127  Ehrharta erecta A. C. Sanders 1987-12-4 7571 Los Angeles El Segundo Dunes immediately W of Los Angeles InterNat Airport and Pershing Drive 30 Comment
  SD185084  Ehrharta erecta Andrew C. Sanders 2005-6-24 31255 San Diego San Dieguito Lagoon Ecological Reserve (DFG), west and south edges of reserve south of Palm Lane near San Dieguito Dr. Comment
  SD236142  Ehrharta erecta A. C. Sanders 2007-2-18 33305 San Diego South Coast: Mission Beach section of San Diego, Santa Clara Point in Mission Bay 0 Comment
  UCR212906  Eleocharis acicularis A. C. Sanders, Victor Leighton, Morgan King 2010-3-24 37556 Imperial Sonoran (Colorado) Desert; Salton Trough, Imperial Valley, Red Hill area near the SE end of the Salton Sea, Merkley Rd. at Cox Rd. -69 Comment
  UC1931700  Eleocharis montevidensis A. C. Sanders 1992-8-23 12455 San Bernardino San Bernardino Mountains: Oak Glen, Riley's Farm on E side of Oak Glen Road ca. 2 miles above Wildwood Canyon Road. Comment
  IRVC29011  Eleocharis parishii A. C. Sanders, Mark Elvin 2002-6-25 25287 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  VVC832  Eleocharis parishii A. C. Sanders, J. Mac 1994-9-25 15716 San Bernardino San Bernardino Mtns, Deep Creek, from the jeep trail crossing from Bacon Flat to near Lion Canyon 1280 Comment
  UCR159858  Elymus A. C. Sanders, R. T. Hawke, et al. 2005-7-3 31326 San Bernardino San Bernardino Mtns., Cienaga Seca, Blue Sky Meadow Science Camp, S and W sides of the meadow 2470 Comment
  UCR184522  Elymus condensatus A. C. Sanders, T. B. Salvato 2007-6-6 34083 Kern Tehachapi Mtns., Geghus Ridge c. 7 miles NE of Lebec, S-facing slopes above Bear Trap Canyon, below VABM (4260 ft.) Lewis 1280 Comment
  UCR154106  Elymus glaucus A. C. Sanders 2005-5-13 30205 San Diego Peninsular Ranges; Coastal Foothills region, Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, along Green Valley Truck Trail, in canyon above turnoff to Lake Poway 207 Comment
  UCR158246  Elymus glaucus A. C. Sanders, P. J. MacKay 1994-6-12 14780 San Bernardino San Bernardino Mtns, Lake Silverwood, Cleghorn Day Use Area, south side of the lake near mouth of Sawpit Canyon 1100 Comment
  UCR76713  Elymus glaucus A. C. Sanders 1992-6-19 12411 San Bernardino San Bernardino Mtns., E of Yucaipa, Water Canyon, a tributary of Wildwood Canyon from the north 1067 Comment
  UCR252007  Elymus hispidus A. C. Sanders, T. B. Salvato 2014-7-2 41185 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR119220  Elymus hispidus subsp. barbulatus A. C. Sanders 2000-7-9 23559 Madera Sierra Nevada Mtns., NE shore of Bass Lake, along the 'inland' highway from Bass Lake (community) to The Falls on North Fork of Willow Creek 1067 Comment
  UCR126420  Elymus hispidus subsp. hispidus A. C. Sanders, E. J. Lawlor, P. MacKay, C. L. Sanders 1995-6-24 17412 San Bernardino San Bernardino Mtns., Below Barton Flats, road crossing of Stetson Creek and E to artificial pond at head of the drainage to the north 1707 Comment
  SD254502  Elymus triticoides A. C. Sanders, Karen Kirtland 2016-6-15 42565 San Bernardino San Bernardino Mountains: Big Bear Valley, Big Bear City, west side of N Division Dr. on the north side of the Big Bear Convention Center, ca. 0.18 km north of Highway 18 just SW of Big Bear Airport. 2046 Comment
  UCR186369  Elymus triticoides A. C. Sanders 2007-6-22 34198 Santa Cruz Central Coast, Santa Cruz, southern edge of San Lorenzo River between Laurel St. and Riverside Ave. 3 Comment
  UCR195984  Emex spinosa A. C. Sanders 2007-2-23 33314 B San Diego South Coast, along NW side of Mission Bay, along bayside walking path, NW of Crown Point 1 Comment
  UCR104918  Emmenanthe penduliflora A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20651 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR165405  Emmenanthe penduliflora A. C. Sanders 2005-4-21 29567 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR191425  Emmenanthe penduliflora A. C. Sanders, Fred M. Roberts 2008-4-8 34776 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Harding Truck Trail at Dripping Springs Loop, above Limestone Canyon 495 Comment
  UCR83163  Emmenanthe penduliflora A. C. Sanders, S. J. Myers, P. J. MacKay 1994-5-27 14532 San Bernardino San Bernardino Mtns, Lower Furnace Canyon on the north slope of the mountains above Lucerne Valley 1500 Comment
  UCR158506  Encelia actoni A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30042 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR136103  Encelia californica A. C. Sanders 2004-4-23 27646 San Diego South Coast, Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons c. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  UCR191328  Encelia californica A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34611 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 290 Comment
  RSA734682  Encelia farinosa A. C. Sanders, Fred M. Roberts 2008-5-6 35215 Orange Lomas de Santiago, lower Hicks Canyon near Irvine Ranch gate and road junction to cement plant 180 Comment
  UCR174512  Encelia farinosa A. C. Sanders 2006-6-5 33100 San Bernardino San Bernardino Valley, Santa Ana River floodplain SE of East Highlands, pipeline route from Cone Camp Rd. toward Mentone, between Greenspot Rd. and the main channel 473 Comment
  UCR206535  Encelia farinosa A. C. Sanders, T. B. Salvato 2009-5-19 36829 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  UCR213582  Encelia farinosa A. C. Sanders, Karen Kirtland 2010-5-7 38340 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 104 Comment
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Mar 15 2016
  UCR37792  Encelia farinosa A. C. Sanders 1985-3-1 5390 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  UCR150439  Encelia frutescens A. C. Sanders, P. J. MacKay, Tim Thomas, E. J. Lawlor, et al. 2005-1-17 29068 Imperial Sonoran (Colorado) Desert, Salton Basin, east side of Hwy 86 c. midway between Kane Spring and San Felipe Creek -55 Comment
  UCR279394  Encelia frutescens A. C. Sanders, Jim Malusa 2017-3-25 43010 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  RSA0036238  Enceliopsis covillei Don Sanders 1984-4-20 20 Inyo Panamint Mountains. Trona-Wildrose Road. Wildrose Canyon 2 mi. s. of wildrose Campground. 1042 Comment
  UCR19489  Enceliopsis nudicaulis A. C. Sanders 1978-5-31 101 Inyo Northern Mojave Desert, Death Valley region, near the summit of the pass from the SE end of Saline Valley into Racetrack Valley, south of Ubehebe Peak near the Lippencott Lead Mine 1067 Comment
  UCR269510  Ephedra aspera A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-5 42061 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, head of Mammoth Wash, above 'slot' canyon in upper gorge 488 Comment
  UCR279153  Ephedra aspera A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-7 42722 Imperial Sonoran (Colorado) Desert, upper Ninemile Wash, near old well (windmill) and trough, Chocolate Mountains 409 Comment
  SD260140  Ephedra californica A. C. Sanders, Chika Mori 2011-6-15 39675 San Bernardino Southern Mojave Desert: Sheephole Pass, top of pass along Amboy Road, just south of microwave tower (Dale Laek 7.5'Q) 732 Comment
  UCR135906  Ephedra californica A. C. Sanders, Mitch Provance, Petra Wester 2004-5-30 28053 San Bernardino Mojave Desert, Argos Wash, just north of the Old National Trails Highway c. 8 km west of Ludlow, SE of Sleeping Beauty Mountain 604 Comment
  UCR240048  Ephedra californica A. C. Sanders, Chika Mori 2011-6-15 39680 San Bernardino Eastern Mojave Desert, Kelbaker Rd 4.6 miles north of old Hwy 66, 6.6 miles S of I-40, 10.1 km NE (45 deg. ) of Amboy 491 Comment
  UCR240051  Ephedra californica A. C. Sanders, Chika Mori 2011-6-15 39674 San Bernardino Southern Mojave Desert, southern slope of Sheephole Pass, Amboy Road 20.2 miles east of junction with Adobe Rd. in 29 Palms, 2.6 miles above sharp northward bend in Amboy Rd. 537 Comment
  CAS-BOT-BC520438  Ephedra funerea A. C. Sanders 2011-6-15 39691 San Bernardino Eastern Mojave Desert: Ivanpah Valley, at slight bend in powerline road 2.8 mi NW of Primm at NV state line (from parking lot edge at Whiskey Pete's casino), toward Keany Pass 833 Comment
  UCR246653  Ephedra funerea A. C. Sanders, Eve Laeger 2011-5-4 39425 Inyo NE Mojave Desert, north foot of the Kingston Range along Mesquite Valley Rd., 8.0 miles above road junction near Tule Spring 970 Comment
  UCR234341  Ephedra torreyana A. C. Sanders, Ann Howald, Onkar Singh 2012-5-2 40109 Inyo NE Mojave Desert, Pahrump Valley, Calvada Springs area, 0.17 mile N of Old Spanish Trail Hwy, 0.15 mi. east of Rosie Ave./Quartz St. 792 Comment
  UCR20980  Ephedra viridis A. C. Sanders 1980-5-26 s.n. San Bernardino Eastern Mojave Desert, north side of Clark Mountain, lower part of the White Fir Canyon 1677 Comment
  UCR45210  Epilobium brachycarpum A. C. Sanders 1986-9-12 6950 Kern San Joaquin Valley, Twisselman Road at Interstate Hwy 5, 4.9 mi south of Kings County line 67 Comment
  UCR93442  Epilobium brachycarpum A. C. Sanders, P. McKay, G. K. Helmkamp, C. L. Sanders 1994-8-14 15290 San Bernardino San Bernardino Mtns., meadow on upper Metcalf Creek, south of Big Bear Lake, 1.8 miles above Tulip Lane on Mill Creek Road, and c. 0.4 mile WSW of Elsie Caves 2245 Comment
  UCR154435  Epilobium canum A. C. Sanders, T. B. Salvato 2005-5-24 30256 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  UCR153583  Epilobium ciliatum A. C. Sanders, Mark A. Elvin 2005-4-22 29634 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center 6 Comment
  UCR162377  Epilobium ciliatum A. C. Sanders, T. B. Salvato 2005-10-14 31883 San Diego Peninsular Range, Boden Canyon Ecological Reserve (DFG), tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along the road between Santa Ysabel Creek and the pond (reservoir) in middle DFG parcel, W & SW foot of Orosco Ridge 335 Comment
  UCR163134  Epilobium ciliatum A. C. Sanders, T. B. Salvato 2005-10-12 31845 San Diego South Coast, Carlsbad, Carlsbad Highlands Ecological Reserve, permanent spring in canyon c. 0.75 mile SE of Cerro de la Calavera 61 Comment
  UCR39541  Epilobium ciliatum A. C. Sanders 1980-7-22 1724 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  SD167075  Epilobium ciliatum subsp. ciliatum Andrew C. Sanders 2005-10-12 31845 San Diego Carlsbad, Carlsbad Highlands Ecological Reserve, permanent spring in canyon ca. 0.75 mile SE of Cerro de la Calavera 60 Comment
  UCR93437  Epilobium densiflorum A. C. Sanders, P. McKay, G. K. Helmkamp, C. L. Sanders 1994-8-14 15276 San Bernardino San Bernardino Mtns, Green Valley Lake, small pond (flood control basin) at upper (E) end of lake along Green Valley Creek, just below the highway 2125 Comment
  SD146207  Epilobium pygmaeum A. C. Sanders, T. B. Salvato 2000-5-25 23418 Riverside Menifee Valley: S. of Newport Road, N. of Holland Road & E. of Bradley Road , 2 miles due E. of Railroad Canyon Lake. (Romoland 7.5' Q) Coastal sage & sparse Chaparral, much of the parcel (flatter areas) cleared a year ago. Uncommon annual in dried pools. 438 Comment
  UCR137378  Epilobium torreyi A. C. Sanders 1998-7-31 22177 Madera Sierra Nevada Mtns., south end of Bass Lake near Wishon Point Campground, off Crane Valley Road 1067 Comment
  UCR174229  Equisetum arvense A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33038 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  UCR126841  Equisetum hyemale A. C. Sanders, Mark A. Elvin 2002-8-26 25583 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa 305 Comment
  UCR157222  Equisetum laevigatum A. C. Sanders, T. B. Salvato 2005-6-29 31272 San Diego Peninsular Range, Boden Canyon Ecological Reserve at E end of San Pasqual Valley, lower part of reserve along Santa Ysabel Creek, near where road crosses and confluence of Boden Cyn. creek 274 Comment
  CDA2078  Eragrostis lehmanniana A. C. Sanders 2003-5-26 25861 Los Angeles San Gabriel Valley; long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel Comment
  UCR125248  Eragrostis mexicana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25534 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, "Potrero Mesa,' north of the mouth of Potrero Canyon, above the Santa Clara River 366 Comment
  UCR76714  Eragrostis mexicana subsp. virescens A. C. Sanders 1992-8-23 12468 San Bernardino San Bernardino Mtns., Oak Glen, Riley's Farm on E side of Oak Glen Road c. 2 mi above Wildwood Canyon Road 1372 Comment
  UCR127643  Eremalche exilis A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26140 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  UCR41691  Eremalche exilis A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6034 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR88638  Eremalche exilis A. C. Sanders, P. J. MacKay, G. K. Helmkamp, A. Knapp 1995-4-23 16635 San Bernardino San Bernardino Mtns/ Mojave Desert, Two Hole Spring, north foot of the mtns, SE of Lucerne Valley, near mouth of Rattlesnake Canyon 1159 Comment
  RSA602499  Eremocarpus setiger A. C. Sanders 1996-10-2 19593 San Bernardino Yucaipa, between Av. ''E'' & ''F'', east from Wilson Creek channel to top of slope. 655 Comment
  CAS-BOT-BC174417  Eremogone macradenia var. macradenia Andrew C. Sanders; John Wear; Nathan Moorhatch; Tish Bennett 1995-5-31 17235 San Bernardino San Bernardino Mtns.: mouth of Cushenbury Canyon, ridges & canyons just S of the Mitsubishi lime plant 1500 Comment
  UCR241285  Eriastrum eremicum A. C. Sanders, Fred M. Roberts, T. B. Salvato 2013-5-1 40812 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, c. 2.4 km SE of Raineys Well 484 Comment
  UCSB39357  Eriastrum eremicum Sanders, R. 1977-5-13 Los Angeles North side of Highway 138, 7 miles east of its junction with Highway 14 914 Comment
  RSA0103479  Eriastrum rosamondense A. C. Sanders, E. J. Lott 1993-5-6 13938 Los Angeles Mojave Desert: 12 miles N of Palmdale, Sierra Highway at Ave G to 1/10 mi. NW of intersection., [UTM 10km cell: LJ-9E, 4N. Sterks Ranch] 706 Comment
  UCR110887  Eriastrum sapphirinum A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 22001 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  UCR162901  Eriastrum sapphirinum A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-21 17063 San Bernardino San Bernardino Mtns, Coxey Road, 0.9 mi. below Oak Spring 1494 Comment
  RSA0110986  Eriastrum sapphirinum subsp. brevibracteatum A. C. Sanders, B. Phillips, B. Pitzer 1988-5-22 7861 Kern 1.5 miles NW of Rosamond near the airport; N of Felsite St. and W of 35th St.W 732 Comment
  RSA713746  Ericameria cooperi A. C. Sanders, Helen Kennedy 2005-4-13 29425 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  IRVC27368  Ericameria cuneata A. C. Sanders, Mark A. Elvin 2003-10-5 27208 San Bernardino UC Burns Pinyon Ridge Reserve, south of Skyline Ranch Rd. ca. 2 miles (air) ESE of Pinoneertown, 1.5 mi. (air) NW of Yucca Valley, student campsite along western fence Southern Mojave Desert 1250 Comment
  UCR213436  Ericameria ericoides A. C. Sanders, Dan S. Cooper 2010-3-12 37344 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
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Dec 23 2015
  UCR102437  Ericameria linearifolia A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke, G. Ballmer 1997-4-13 20488 Kern San Emigdio Ranch: Salt Creek Canyon at confluence with Black Bob Canyon and up Black Bob Cyn. 915 Comment
  UCR184082  Ericameria linearifolia A. C. Sanders 2007-4-13 33397 Kern Tehachapi Mtns. Foothills, east of National Cement Plant at hill 3477, 0.4 mi. N of the Los Angeles Co. line 1055 Comment
  UCR31270  Ericameria linearifolia A. C. Sanders 1983-5-22 3820 San Bernardino Eastern Mojave Desert, Government Holes, E edge of Round Valley, Mid Hills area 1540 Comment
  UCR100373  Ericameria palmeri var. pachylepis A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21616 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  UCR100371  Ericameria pinifolia A. C. Sanders, T. Tennant 1997-11-14 21604 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon 854 Comment
  UCR165952  Ericameria teretifolia A. C. Sanders 2005-11-26 31923 San Bernardino Southern Mojave Desert/Eastern San Bernardino Mtns., UC Burns Pinyon Ridge Reserve, 1.25 mi. north of Yucca Valley, 2.5 mi. ESE of Pioneertown; this from canyons on south side of reserve draining toward Water Canyon 1250 Comment
  VVC1111  Ericameria teretifolia A. C. Sanders, J. Mac 1998-10-31 22316 San Bernardino Southern Mojave Desert, Victorville, Mojave River at Upper Narrows, just above the Hwy 18 bridge 854 Comment
  UCR38099  Erigeron aphanactis var. congestus A. C. Sanders 1985-5-11 5783 San Bernardino San Bernardino Mtns., north slope, along Hwy 18, 1.5 mi. below the point where it begins descending toward the Mojave Desert, 5 mi. above the National Forest boundary 1890 Comment
  UCR47329  Erigeron concinnus A. C. Sanders 1987-4-4 6984 San Bernardino Eastern Mojave Desert, Hart Mine, SW end of Castle Mountains 1375 Comment
  UCR163820  Erigeron divergens A. C. Sanders, R. T. Hawke, et al. 2005-7-4 31369 San Bernardino San Bernardino Mtns., Cienaga Seca, Blue Sky Meadow Science Camp, N and W sides of the meadow 2470 Comment
  UCR162076  Erigeron foliosus A. C. Sanders, T. B. Salvato 2005-10-5 31731 San Diego Peninsular Range, Blue Sky Ecological Reserve (DFG), east of Rancho Bernardo and north of Poway, along road in lower canyon below turnoff to Lake Poway 213 Comment
  RSA666625  Eriodictyon crassifolium A. C. Sanders, D. Malueg 1998-6-22 22049 Los Angeles Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  RSA712186  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale 2003-4-30 26199 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  UCR125932  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Mark Elvin 2002-6-19 25193 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  SD178199  Eriogonum angulosum A. C. Sanders, Tricia Wotipka, Mark A. Elvin, Scott Boczkiewicz 2003-5-14 26669 Ventura Santa Susana Mtns.: crest of the range 0.9 km west of Los Angeles Co. line, near peak 3004, southwest edge of Newhall Ranch. South edge of area an eroding cliff with scant vegetation. In bare areas at top of cliff and on erdoing slopes below. 883 Comment
  UCR127660  Eriogonum angulosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25516 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  UCR214441  Eriogonum angulosum A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-3 38231 San Bernardino Eastern Mojave Desert, Ivanpah Valley, alluvial slopes below Clark Mountain, proposed utility corridor from dirt road (at given coordinates) north to Kern gas pipeline corridor scar 930 Comment
  IRVC28810  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2002-6-20 25253 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  UCR114875  Eriogonum baileyi var. baileyi A. C. Sanders, P. J. MacKay, Tim Thomas, G. F. Pratt, C. Pierce 1997-10-12 21586 Inyo Northern Mojave Desert, China Lake Naval Weapons Station, Argus Range, Bircham Springs Picnic Area 1692 Comment
  UCR91010  Eriogonum baileyi var. baileyi A. C. Sanders, P. J. MacKay, C. L. Sanders 1995-10-1 17899 San Bernardino San Bernardino Mountains, In the dry bed of the Mojave River just above the Mojave River Forks Dam, west of Arrowhead Lake Road from Hesperia 945 Comment
  UCR225500  Eriogonum bifurcatum A. C. Sanders, Chloe Scott, Bill Clark, Josh Utter, Eve Laeger 2011-5-5 39444 Inyo NE Mojave Desert, Pahrump Valley, along dirt road at north edge of Pahrump Dry Lake, SW of Pahrump 767 Comment
  UCR127658  Eriogonum brachyanthum A. C. Sanders, Mark Elvin 2003-8-7 27171 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  VVC1506  Eriogonum brachyanthum A. C. Sanders, PJ MacKay, Tim Thomas, G Pratt, C Pierce. 1997-10-12 21585 Inyo Northern Mojave Desert, China Lake Naval Weapons Station, Argus Range, Bircham Springs Picnic Area 1692 Comment
  UCR219367  Eriogonum brachypodum A. C. Sanders, A. Howald 2010-9-22 38624 Inyo Northeastern Mojave Desert, Pahrump Valley, east of the Nopah Range near Calvada Springs, 1 mile north of Old Spanish Trail Hwy on Rosie Ave. (Quartz St.), just south of Ave D 789 Comment
  UCR235983  Eriogonum contiguum A. C. Sanders, Ann Howald, Chloe Scott, Bill Clark, Josh Utter 2011-5-6 39501 Inyo NE Mojave Desert, Chicago Valley, on dirt road toward Twelvemile Spring, off Chicago Valley Rd. east of Hwy 178, 8.6 km NE (68 deg. ) of Shoshone 640 Comment
  RSA682322  Eriogonum davidsonii A. C. Sanders, S. D. Boyd, Valerie Sosa 1998-10-30 22301 Kern Jawbone Canyon Road at a wash crossing near Hoffman Well, 4.6 miles north of road junction near Blue Point. Comment
  UCR83901  Eriogonum davidsonii A. C. Sanders, P. J. MacKay 1994-7-10 15019 San Bernardino San Bernardino Mtns., Wildhorse Trail between Cienaga Seca Creek & Wildhorse Creek 2450 Comment
  UCR88468  Eriogonum davidsonii A. C. Sanders, E. J. Lawlor, P. MacKay, C. L. Sanders 1995-6-24 17411 San Bernardino San Bernardino Mtns., Below Barton Flats, road crossing of Stetson Creek and E to artificial pond at head of the drainage to the north 1707 Comment
  UCR109787  Eriogonum deflexum A. C. Sanders, G. F. Pratt, C. Pierce, G. R. Ballmer, R. Mattoni 1997-6-22 20827 Inyo Mojave Desert, China Lake Naval Weapons Center, Coso Range on road from Petroglyph Canyon, plateau at head of Darwin Wash, c. 3.5 mi. NNW of Louisiana Butte 1829 Comment
  VVC827  Eriogonum deflexum A. C. Sanders, J. Mac 1994-10-2 15761 San Bernardino San Bernardino Mtns., Rattlesnake Canyon, central portion 1280 Comment
  HSC83077  Eriogonum deserticola A. C. Sanders, Charlton, Pitzer, Wright 1986-3-10 6268 Imperial N foot of Mount Signal, just N of the international boundary, 1.43 mi. west of Mt. Signal Rd. on BLM road Y2918 61 Comment
  IRVC28249  Eriogonum elongatum A. C. Sanders, Mark A. Elvin 2003-10-5 27240 San Bernardino UC Burns Pinyon Ridge Reserve; big wash at Yucca Valley town limit orr (above) Pioneertown Rd, and in mouth of large canyon from NE. Southern Mojave Desert 1098 Comment
  UCR141244  Eriogonum elongatum A. C. Sanders, Mike Misenhelter 2004-10-6 28828 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  CAS-BOT-BC226829  Eriogonum fasciculatum A. C. Sanders; Eve Laeger 2011-5-4 39428 Inyo NE Mojave Desert: north foot of the Kingston Range along Mesquite Valley Rd., 8.0 miles above road junction near Tule Spring 970 Comment
  SD164648  Eriogonum fasciculatum Andrew C. Sanders 2005-5-27 30284 San Diego Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center Comment
  SEINET1909578  Eriogonum fasciculatum A. C. Sanders 2004-1 28392 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mi E of Murrieta Rd and 1 mi N of Bundy Canyon Rd, ca 5 miles due south of Sun City 469 Comment
  UCR205548  Eriogonum fasciculatum subsp. fasciculatum A. C. Sanders, T. B. Salvato 2009-5-19 36817 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  UCR159196  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Kelly Volansky 2005-8-31 31598 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR162085  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, T. B. Salvato 2005-10-5 31699 San Diego Peninsular Range, Blue Sky Ecological Reserve (DFG), east of Rancho Bernardo and north of Poway, along road in lower canyon below turnoff to Lake Poway 213 Comment
  SEINET3218576 Image available Eriogonum fasciculatum subsp. polifolium Andrew C. Sanders, Mark A. Elvin 2007-10-6 34393 San Bernardino Central Mojave Desert; Ord Mountains, canyon at Willow Spring (Ord Mountain 7.5 Q.) 1585 Comment
  UCR177510  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32529 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR261203  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, Mitch Provance 2015-5-13 41702 Kern Tehachapi Mountains, Brite Valley, along CA Hwy 202 (West Valley Blvd.), 0.42-0.88 km SE of Tamaron Dr., 1.9 air km north of Brite Lake 1341 Comment
  SD167068  Eriogonum fasciculatum var. foliolosum Andrew C. Sanders 2005-10-5 31699 San Diego Blue Sky Ecological Reserve (DFG), east of Rancho Bernardo and north of Poway, along road in lower canyon below turnoff to Lake Poway 182 Comment
  UC1765236  Eriogonum giganteum A. C. Sanders 1988-5-18 7850 Los Angeles El Segundo Dunes, immediately W of L.A. Int. Airport and E of Vista Del Mar Blvd. From subsite 9 near the 15 border Comment
  UCR174417  Eriogonum gracile A. C. Sanders 2006-6-7 32728 San Bernardino San Bernardino Valley, mouth of Mill Creek Canyon at Greenspot, north side of Hwy 38 (Mill Crk. Rd.) from Greenspot Rd. to 1 km above (east), south side of wash 659 Comment
  UCR50929  Eriogonum gracillimum A. C. Sanders, B. L. Phillips, B. Pitzer 1988-5-22 7859 Kern Mojave Desert, 1.5 mi NW of Rosamond near the airport, north of Felsite Street and west of 35th Street West 732 Comment
  RSA667301  Eriogonum heermannii var. floccosum A. C. Sanders, P. J. MacKay, Tim Thomas 2000-9-2 23627 San Bernardino Eastern side of Striped Mountain, west side of road from Kokoweef Caverns, vicinity of Standard Mine No. 1. 1585 Comment
  SEINET2054749 Image available Eriogonum heermannii var. floccosum A. C. Sanders, P. J. MacKay, Tim Thomas, et al 2000-9-2 23627 San Bernardino Eastern Mojave Desert; eastern side of Striped Mountain, west side of road from Kokoweef Caverns, vicinity of Standard Mine No.1. Mescal Range 7.5' Quadrangle. 1584 Comment
  UCR135880  Eriogonum inflatum A. C. Sanders, Mitch Provance, Petra Wester 2004-5-30 27991 San Bernardino Mojave Desert, Lucerne Valley, on powerline road from Pisgah, at northern outlier of Cougar Buttes, 8 km NW of Soggy Dry Lake 1000 Comment
  VVC1479  Eriogonum microthecum A. C. Sanders, J. Mac 1997-10-11 21562 Inyo Northern Mojave Desert, China Lake Naval Weapons Station, Argus Range, east and south sides of Parkinson Peak (8724 ft.), ca. 1.5 mi. SE of Maturango Peak 2591 Comment
  UCR210917  Eriogonum nidularium A. C. Sanders, Fred M. Roberts, Katy Beck, Eve Laeger, et al 2009-3-27 36650 San Bernardino Mojave Desert, Cady Mountains, along the powerline route in the pass between Pisgah and Broadwell valleys 823 Comment
  UCR230167  Eriogonum nudum A. C. Sanders 2011-7-7 39793 Santa Cruz Santa Cruz Mountains, 3 km north of downtown Felton, Quail Hollow Rd. at Larita Dr., Glen Arbor area 107 Comment
  UCR114872  Eriogonum nudum var. pauciflorum A. C. Sanders, G. F. Pratt, C. Pierce, G. R. Ballmer, R. Mattoni 1997-6-21 20782 Inyo Northern Mojave Desert, China Lake Naval Weapons Center, Coso Range at Coso Springs, site of Coso mining town 1768 Comment
  UCR26351  Eriogonum rixfordii A. C. Sanders, Frank C. Vasek 1981-8-19 2399 Inyo Panamint Mtns, Surprise Canyon, lower part of the canyon below Chris Wichts Camp 793 Comment
  SEINET3011918 Image available Eriogonum thomasii A. C. Sanders, Fred M. Roberts, Florence Caplow, et al. 2009-3-23 36523 San Bernardino East-central Mojave Desert: north foot of Sleeping Beauty Mtn., valleyc. 8.5 km west of Broadwell Dry Lake (Sleeping Beauty 7.5' Q). 671 Comment
  UCR18335  Eriogonum thomasii A. C. Sanders, R. Twitchell 1978-4-7 871 San Bernardino Eastern Colorado Desert, Chemehuevi Valley, 5 miles SW of Havasu Lake, along Chemehuevi Wash near West Well 232 Comment
  UCR20996  Eriogonum thomasii A. C. Sanders, T. P. Krantz, K. R. Neisess 1980-5-24 558 Inyo Northern Mojave Desert, Funeral Mtns, SW foot Pyramid Peak, 1.8 mi. east of Death Valley National Monument [now National Park] boundary, Hwy 190 917 Comment
  UCR269780  Eriogonum trichopes A. C. Sanders, Jim Malusa 2016-3-16 42269 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, along old Niland-Blythe Rd. at powerlines, 2.6 km NNW of Beal Well 472 Comment
  UCR116349  Eriogonum umbellatum var. juniporinum A. C. Sanders, Mark Elvin 2001-8-3 24587 San Bernardino Eastern Mojave Desert, Kingston Range, canyon 1 mi. SE of Horse Thief Springs 1463 Comment
  CAS-BOT-BC140529  Eriophyllum confertiflorum A. C. Sanders; T. B. Salvato 2009-5-19 36827 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  UCR129424  Eriophyllum confertiflorum A. C. Sanders, Mark Elvin 2002-6-20 25212 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR213483  Eriophyllum confertiflorum A. C. Sanders, Karen Kirtland 2010-5-14 38358 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  UCR226059  Eriophyllum multicaule A. C. Sanders, Nathan Moorhatch 2011-3-22 38776 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  UCR18049  Eriophyllum pringlei A. C. Sanders 1978-5-7 110 San Bernardino Northern Mojave Desert, 0.25 mi. south of Atolia on Hwy 395 976 Comment
  SEINET1909728  Erodium botrys A. C. Sanders, Jennifer Jones 2005-1 31143 San Diego South Coast: Buena Vista Lagoon Ecological Reserve (DFG) Carlsbad, north side of lagoon between Carlsbad Blvd. (S-21) and RR south of Eaton St. (San Luis Rey 7.5') 6 Comment
  UCR120950  Erodium botrys A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23878 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  RSA599088  Erodium brachycarpum A. C. Sanders, Steve D. Boyd, Scott D. White, G. K. Helmkamp 1997-3-7 2443 Kern San Emigdio Ranch, divide between Pleitito Creek and San Emigdio Creek Cyn., above large vernal pool. 854 Comment
  RSA713151  Erodium cicutarium A. C. Sanders 2004-6-25 28299 San Diego Peninsular Range: Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; near the pond (reservoir) in middle DFG parcel. 335 Comment
  SEINET3386540 Image available Erodium cicutarium A. C. Sanders, Ann Howald 2011-4-19 39170 Inyo NE Mojave Desert; Pahrump Valley, Calvada Springs, Ave. 'D' at Charleston View Rd., 1 mile north of Old Spanish Trail Hwy (Calvada Spring 7.5'Q.) 793 Comment
  UCR101508  Erodium cicutarium A. C. Sanders, G. F. Pratt & C. L. Pierce 1997-4-6 20284 San Bernardino Northern Mojave Desert, Avawatz Mountains, Fort Irwin Military Reservation, canyon 2 km south of peak 1876 m (BM 'Avawatz'), c. 5 km SW of Old Mormon Spring 1524 Comment
  UCR187017  Erodium cicutarium A. C. Sanders 2006-4-25 32164 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  IRVC29550  Erodium macrophyllum A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26152 Los Angeles Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. Western San Gabriel Mtns. 488 Comment
  UCR183734  Erodium macrophyllum A. C. Sanders, Mitch Provance 2007-5-4 33678 A Kern Tehachapi Mountains, gentle slopes NE of upper Oso Canyon, c. 3 miles ESE of Castac Lake, 0.5 mi. south of peak 4908, 0.5 mi. north of the Los Angeles Co. line 1372 Comment
  UCR152667  Erodium moschatum A. C. Sanders, Helen Kennedy 2005-4-15 29553 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side east of the I-5 Fwy, along the trail past the nature center 6 Comment
  UCR193823  Erodium moschatum A. C. Sanders, Fred M. Roberts 2008-7-16 35868 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 370 Comment
  SD260252  Erodium texanum A. C. Sanders, Jim Malusa 2016-3-14 42176 Imperial Sonoran (Colorado) Desert: Chocolate Mountains along old Niland-Blythe Rd., 8.7 km NE of Siphon 8 on the Coachella Canal, NE of Slab City (Iris Wash 7.5'Q) 200 Comment
  UCR210911  Erodium texanum A. C. Sanders, Fred M. Roberts, Florence Caplow, et al 2009-3-23 36518 San Bernardino East-central Mojave Desert, north foot of Sleeping Beauty Mtn., valley c. 8.5 km west of Broadwell Dry Lake 671 Comment
  VVC929  Erysimum capitatum var. capitatum A. C. Sanders 1997-3-7 19787 Kern San Emigdio Ranch, off San Emigdio Creek Canyon, at mouth of a side canyon along the road to Pleitito Creek, 1.75 km below confluence with Doc Williams Canyon. 777 Comment
  SD197927  Erythranthe guttata A. C. Sanders 2004-6-25 28291 San Diego Boden Canyon, tributary of Santa Ysabel Creek at east end of San Pasqual Valley near the pond. 334 Comment
  RSA430197  Eschscholzia glyptosperma A. C. Sanders 1987-4-5 7031 San Bernardino Ivanpah Valley, Ivanpah Road 1.5 mi SE of Morningstar Mine Rd. 823 Comment
  UCR192242  Eschscholzia glyptosperma A. C. Sanders 2008-4-2 34670 San Bernardino Eastern Mojave Desert, Ivanpah Valley, 0.3 mi. SW of corner of Primm Golf Course at Yates Well Rd., 0.9 mi. WNW of intersection of I-15 and Yates Well Rd. 823 Comment
  UCR213605  Eschscholzia glyptosperma A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-3 38176 San Bernardino Eastern Mojave Desert, Ivanpah Valley, alluvial slopes below Clark Mountain, proposed utility corridor from dirt road (at given coordinates) north to Kern gas pipeline corridor scar 930 Comment
  UCR214431  Eschscholzia minutiflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37494 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR31127  Eschscholzia minutiflora A. C. Sanders 1983-4-23 3759 San Bernardino Sonoran (Colorado) Desert, Whipple Mtns., Whipple Wash where it joins the road to Havasu Landing, c. 0.5 mile below Willow Spring and 1.5 miles above Lake Havasu 168 Comment
  HSC83079  Eschscholzia parishii A. C. Sanders, Charlton, Pitzer, Stewart 1986-3-2 6061 Riverside Graham Pass, between the chuckwalla and Little Chuckwalla Mtns. 503 Comment
  UCR159024  Eucalyptus camaldulensis A. C. Sanders, Jennifer Jones 2005-6-22 31115 San Diego South Coast, Buena Vista Lagoon Ecological Reserve (DFG), Carlsbad, south side of lagoon on the east side of I-5 Fwy 12 Comment
  UCR234267  Eucalyptus camaldulensis A. C. Sanders, John F. Green 2012-3-20 39978 Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, Collier Ave. at 3rd St., just south of I-15 Fwy 389 Comment
  UCR75614  Eucalyptus camaldulensis A. C. Sanders, O. F. Clarke, T. Krantz, R. F. Thorne 1993-4-27 13841 San Bernardino San Bernardino Mtns, Arrowhead Hot Springs, c. 700 ft WSW of the old Arrowhead Hot Springs Hotel, W side of the road to the hotel from Old Waterman Canyon Rd. and south of a dirt track which angles back toward the property entrance 595 Comment
  SD167087  Eucalyptus polyanthemos Andrew C. Sanders 2005-10-14 31860 San Diego Palomar Mtn., Plaisted Creek Ecological Reserve, NE of Rincon & Pauma Valley, between Plaisted Cr. and Hwy 76, SE lobe of reserve near residences abandoned in 1996 701 Comment
  RSA655401  Eucalyptus rudis A. C. Sanders 1998-1-15 21650 Riverside along old Rawson Rd. in center of Crown Valley, at junction with main E-W road through valley 634 Comment
  UCR157467  Eucalyptus tereticornis A. C. Sanders, O. F. Clarke, T. P. Krantz, R. F. Thorne 1993-4-27 13840 San Bernardino San Bernardino Mtns, Arrowhead Hot Springs, c. 700 ft WSW of the old Arrowhead Hot Springs Hotel, W side of the road to the hotel from Old Waterman Canyon Rd. and south of a dirt track which angles back toward the property entrance 595 Comment
  SD164691  Eucrypta chrysanthemifolia Andrew C. Sanders 2005-4-29 29823 San Diego Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, along road in lower canyon below turnoff to Lake Poway 182 Comment
  UCR153579  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2005-4-26 29711 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UCR154618  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2005-4-26 29756 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  UCR250317  Eucrypta chrysanthemifolia A. C. Sanders 2014-4-8 40971 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  SD260255  Eucrypta micrantha A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-5 42080 Imperial Sonoran (Colorado) Desert: upper Mammoth Wash, below slot canyon (Mammoth Wash 7.5'Q) 438 Comment
  SEINET10389860  Eucrypta micrantha A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-4 42032 Imperial ENE of Hayden Well on Mammoth Wash, Chocolate Mountains 291 Comment
  UCR203408  Eucrypta micrantha A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-5 36245 San Bernardino Mojave Desert, Cady Mountains, along powerline road c. 11 mi. NE of I-40, east of peak 2633 610 Comment
  UCR193943  Euphorbia A. C. Sanders 2008-7-10 35726 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  SD224936  Euphorbia albomarginata A. C. Sanders 1996-10-2 19606 San Bernardino Yucaipa, between Av. E & F. E from Wilson Crk channel to top of slope. 655 Comment
  SEINET235613  Euphorbia albomarginata A. C. Sanders, Mitch Provance 1999-6-28 22911 Ventura Simi Valley: Marr Ranch between Tapo and Chivo Canyons ca 2 miles N of Santa Susana (Simi Valley East Quad) 375 Comment
  UCR140726  Euphorbia albomarginata A. C. Sanders 2004-5-12 27881 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR187013  Euphorbia albomarginata A. C. Sanders 2006-4-25 32167 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR223972  Euphorbia albomarginata A. C. Sanders 2011-3-23 38801 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  UCR225240  Euphorbia albomarginata A. C. Sanders, Onkar Singh, Josh Utter, Chloe Scott, Bill Clark 2011-5-4 39419 Inyo NE Mojave Desert, Pahrump Valley, near Calvada Springs, 1.9 km north of Old Spanish Trail Hwy, 0.23 km west of Opal St., between Ave. 'C' & 'D 783 Comment
  UCR264197  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-9-8 41826 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, foot of west side of the Little Mule Mountains 355 Comment
  SD164720  Euphorbia maculata Andrew C. Sanders 2004-10-15 28859 San Diego San Dieguito Lagoon Ecological Reserve (DFG), along Palm Lane (closed/abandoned) east of San Dieguito Dr. 0 Comment
  UCR242718  Euphorbia micromera A. C. Sanders, T. B. Salvato 2012-10-12 40435 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  SD146281  Euphorbia nutans A. C. Sanders, Mitch Provance 2000-9-17 23648 San Bernardino San Bernardino Valley, Redlands, Lugonia Ave. at California St., citrus orchard & adjacent roadsides & drainage ditches 353 Comment
  UCR41504  Euphorbia pediculifera A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6205 Imperial Sonoran (Colorado) Desert, Coyote Mountains, Fossil Canyon, 3.3 mi north of Imperial Hwy (S-2) at Ocotillo, on Shell Canyon Road 305 Comment
  UCR41749  Euphorbia pediculifera A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6231 Imperial Sonoran (Colorado) Desert, Painted Gorge, 5.1 mi north of S-80 on Painted Gorge Road, c. 5 mi NE of Ocotillo 152 Comment
  RSA713454  Euphorbia peplus A. C. Sanders 2005-6-24 31248 San Diego South Coast: San Dieguito Lagoon Ecological Reserve (DFG), west and south edges of reserve south of Palm Lane near San Dieguito Dr. 0 Comment
  UCR113197  Euphorbia polycarpa A. C. Sanders 1998-3-11 21670 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR136915  Euphorbia polycarpa A. C. Sanders, Kerry Knudsen 2004-5-26 27965 Riverside Peninsular Range, Alberhill Mountain, SE of old clay mining area 512 Comment
  UCR213504  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37810 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR214573  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37854 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR28661  Euphorbia polycarpa var. hirtella A. C. Sanders 1975-8-27 002 Imperial Sonoran (Colorado) Desert, Yuha Desert; 3 miles west of Ocotillo, along Hwy S2 91 Comment
  UCR41267  Euphorbia prostrata A. C. Sanders 1982-6-12 2714 Riverside Riverside, residential garden, 422 Campus View Drive 335 Comment
  UCR94774  Euphorbia prostrata A. C. Sanders 1996-10-2 19604 San Bernardino San Bernardino Valley, Yucaipa, between Av. 'E' & 'F', east from Wilson Creek channel to top of slope 655 Comment
  UCR77147  Euphorbia serpillifolia A. C. Sanders 1993-8-28 14201 San Bernardino San Bernardino Mtns., Oak Glen, along Oak Glen Road opposite McFarland's Orchards 1280 Comment
  IRVC27006  Euphorbia serpyllifolia A. C. Sanders, Mark Elvin 2003-8-7 27167 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  UCD142852  Euphorbia setiloba A. C. Sanders; P. Mackay 1994-10-2 15735 San Bernardino San Bernardino Mountains: Two Hole Spring at the NE foot of the range near Johnson Valley. 1162 Comment
  UCR82847  Euphorbia setiloba A. C. Sanders, P. J. MacKay 1994-10-2 15735 San Bernardino San Bernardino Mtns/Mojave Desert, Two Hole Spring near Rattlesnake Canyon [at the foot of the range near Johnson Valley] 1162 Comment
  UCR127726  Euphorbia spathulata A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26425 San Diego Peninsular Range, San Ysidro Mountains, Otay Mountain, lower 'Copper Canyon' on the south side of the mountain c. 0.25 km north of the Mexican border 183 Comment
  UCR110883  Euphorbia terracina A. C. Sanders 1998-10-10 22259 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu Lagoon, Malibu Beach St. Park, mouth of Malibu Creek at Adamson House on E side of lagoon 8 Comment
  SD185135  Euthamia occidentalis A. C. Sanders, Kerry Knudsen 2004-9-10 28798 San Diego Boden Canyon Ecological Reserve at east end of San Pasqual Valley, lower part of reserve along Santa Ysabel Creek. 220 Comment
  UCR132959  Fagonia laevis A. C. Sanders 1989-3-19 9033 .4 San Bernardino Mojave Desert, 29 Palms Marine Corps Base, east slope of Bullion Mountains, America Mine Training Range 915 Comment
  SD247521  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2015-3-11 41400 Riverside Sonoran (Colorado) Deert; Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Iris Pass 7.5'Q) 673 Comment
  UCR279513  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-27 43112 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR230031  Festuca A. C. Sanders 2011-7-2 39767 Santa Cruz Outer South Coast Range; Santa Cruz Mountains, upper Eureka Canyon Rd., above Corralitos, c. 1.9 mi. below Buzzard Lagoon Rd. junction 434 Comment
  RSA661040  Festuca californica var. californica A. C. Sanders, E. J. Lawlor, P. J. MacKay, C. L. Sanders 1995-6-24 17397 San Bernardino San Bernardino Mtns: below Barton FLats, Stetson Creek Road 0.1 mi N of Hill Ranch Road, near round Cienaga Crk., 1.65 mi. SW of Glass Road., (34 deg 10'N, 116 deg 55.5'W) 1740 Comment
  UCR14710  Festuca kingii A. C. Sanders, Jeanine Derby 1975-7-14 00993 San Bernardino San Bernardino Mtns., Onyx Summit, junction of Onyx Peak Road and Hwy 38 2576 Comment
  UCR126069  Festuca microstachys A. C. Sanders, Mark Elvin 2003-4-5 25916 San Bernardino Southern Mojave Desert, UC Burns Pinyon Ridge Reserve, off Skyline Ranch Rd. c. 2 miles (air) ESE of Pioneertown, 1.5 mi. (air) NW of Yucca Valley, between front gate and reserve headquarters at old Burns home 1250 Comment
  UCR127279  Festuca microstachys A. C. Sanders, Tricia Wotipka, Mark A. Elvin, Scott Boczkiewicz 2003-5-14 26678 Ventura Santa Susana Mtns., crest of the range 2 km west of Los Angeles Co. line, SW edge of Newhall Ranch 793 Comment
  UCR20604  Festuca microstachys A. C. Sanders 1978-5-6 888 San Bernardino Northeastern Mojave Desert, Kingston Range, 0.1 mi east of Horse Thief Springs on the Excelsior Mine Road, at Tecopa Pass 1463 Comment
  UCR20858  Festuca microstachys A. C. Sanders 1978-6-20 885 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR75408  Festuca microstachys A. C. Sanders, O. F. Clarke, M. Alexander 1993-4-23 13761 San Bernardino San Bernardino Mtns, Summit Valley on Hwy 173, 4.6 mi east of the Hwy 138 junction and 1.7 mi south of the Grass Valley Creek crossing 1100 Comment
  UCR20860  Festuca microstachys var. microstachys A. C. Sanders 1978-6-11 886 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR191720  Festuca microstachys var. pauciflora A. C. Sanders 2008-4-11 34865 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  UCR116918  Festuca myuros A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23953 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR117081  Festuca myuros A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24199 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR127317  Festuca myuros A. C. Sanders, K. D. Jones 2003-6-16 26913 San Bernardino San Bernardino Mtns, North Fork Deep Creek watershed, along pipeline route from Green Valley turnoff from Hwy 18 to Snow Valley Recreation Area 2073 Comment
  UCR191422  Festuca myuros A. C. Sanders, Fred M. Roberts 2008-4-8 34772 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Harding Truck Trail at Dripping Springs Loop, above Limestone Canyon 495 Comment
  UCR192054  Festuca myuros A. C. Sanders 2008-4-11 34850 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, vicinity of mapped spring NW of VABM 'Pine 973 Comment
  UCR86654  Festuca octoflora A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16261 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR86909  Festuca octoflora A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-28 17159 San Bernardino San Bernardino Mtns, Ord Mtns area on north slope, 0.5 mi. NW of Bowen Ranch, south of Juniper Flats 1400 Comment
  UCR90808  Festuca octoflora A. C. Sanders, G. K. Helmkamp 1996-3-17 17993 Riverside Coachella Valley, Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits, 2 mi. east of Date Palm Dr. and 2 mi. south of Ramon Rd 98 Comment
  UCR152663  Filago arizonica A. C. Sanders, Helen Kennedy 2005-4-15 29548 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side east of the I-5 Fwy, along the trail past the nature center 6 Comment
  UCR128562  Filago californica A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23907 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR158726  Filago californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30011 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR183665  Filago californica A. C. Sanders, T. B. Salvato, Mitch Provance 2007-5-10 33730 Kern Tehachapi Mountains, hills west of Dry Field Canyon, c. 2 miles east of Castac Lake 1280 Comment
  UCR17742  Filago depressa A. C. Sanders 1977-3-27 0797 San Bernardino Southern Mojave Desert, Negro Butte, Lucerne Valley 1067 Comment
  UCR106886  Filago gallica A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20661 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR173928  Filago gallica A. C. Sanders 2006-5-19 32438 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCSB63087  Flaveria trinervia Sanders, A. 1981-10-31 Riverside McKinley St. between Riverside and Corona, 3/10 mi. north of Hwy 91 and +100 yds west of McKinley 304 Comment
  RSA759156  Foeniculum vulgare A. C. Sanders, Fred M. Roberts 2008-6-17 35458 Orange Lomas de Santiago, Hicks Canyon Haul Road 0.5 mi. east of the Foothill Transportation Corridor 244 Comment
  UCR241296  Fouquieria splendens A. C. Sanders, Fred M. Roberts, T. B. Salvato 2013-5-2 40827 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, Arroyo Seco, 2.6 km SE (115 deg. ) of where it crosses old Niland-Blythe Rd., 3.3 km SW (339 deg. ) of Raineys Well 600 Comment
  UCR260831  Fouquieria splendens A. C. Sanders, Jim Malusa 2015-3-10 41388 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, between Bradshaw Trail and Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 576 Comment
  UCD112797  Frangula californica subsp. tomentella A. C. Sanders; Kerry Knudsen, J. R. Ekhoff 2004-7-9 28497 San Diego Palomar Mountain, DFG Plaisted Creek Ecological Reserve, NE of Rincon and Pauma Valley, between Plaisted Creek and Hwy 76, SE lobe of reserve in vicinity of residences abandoned in 1996. 701 Comment
  IRVC29183  Frankenia salina A. C. Sanders 2004-11-12 29047 San Diego San Elijo Lagoon, E of Manchester Ave. ca. 0.5 mi. SW of Encinitas Blvd. Southern Coast 6 Comment
  RSA653586  Frankenia salina A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23185 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR155019  Frankenia salina A. C. Sanders 2005-5-27 30330 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center 30 Comment
  UCR159054  Frankenia salina A. C. Sanders, Jennifer Jones 2005-6-22 31159 San Diego South Coast, Buena Vista Lagoon Ecological Reserve (DFG), Carlsbad, north side of lagoon between Carlsbad Blvd. (S-21) and the RR, south of Eaton St. 6 Comment
  UCR281086  Frasera neglecta A. C. Sanders, Mark Bibbo, Morgan King, Stephanie Hines 2017-5-24 43233 San Bernardino San Bernardino Mountains, Holcomb Valley, along SCE powerline NE of FS Rd. 3N16 intersection with 3N12 2285 Comment
  UCR113142  Fraxinus anomala A. C. Sanders, P. J. MacKay, Tim Thomas, G. F. Pratt, C. Pierce 1997-10-11 21560 Inyo Northern Mojave Desert, China Lake Naval Weapons Station, Argus Range, east and south sides of Parkinson Peak (8724 ft.), c. 1.5 mi. SE of Maturango Peak 2591 Comment
  UCR127756  Fraxinus pennsylvanica subsp. velutina A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26292 San Diego Peninsular Range, San Ysidro Mountains, Otay Mountain, lower 'Copper Canyon' on the south side of the mountain c. 0.25 km north of the Mexican border 183 Comment
  UCR126833  Fraxinus uhdei A. C. Sanders, Mark A. Elvin 2002-8-26 25592 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa 305 Comment
  VVC321  Fraxinus velutina A. C. Sanders, J. Mac 1996-10-20 19637 San Bernardino San Bernardino Mtns, Cajon Pass area, along Pacific Crest Trail in gorge above the mouth of Crowder Canyon. 976 Comment
  UCR21179  Funastrum hirtellum A. C. Sanders, J. Zabriskie 1980-3-16 01161 A San Bernardino Sonoran (Colorado) Desert, Whipple Mtns., Whipple Wash about 100 yards below where the powerline road crosses 213 Comment
  UCR75433  Galium andrewsii A. C. Sanders, E. J. Lott 1993-4-29 13853 San Bernardino San Bernardino Mtns, east side Water Canyon, a tributary of Wildwood Canyon from the north; SW foot of Pisgah Peak. Porter Ranch 1070 Comment
  IRVC28418  Galium angustifolium A. C. Sanders, M. Elvin, C. Burrascano, A. Pigniolo, A. Thomson, et al. 2003-5-4 26529 San Diego Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail Peninsular Range 945 Comment
  UCD121580  Galium angustifolium A. C. Sanders 2004-4-20 27526 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  UCR136107  Galium angustifolium A. C. Sanders 2004-6-18 28207 San Diego South Coast, Carlsbad, Agua Hedionda Ecological Reserve, south side of Park St between Neblina Dr. and Valencia Ave. 18 Comment
  UCR158137  Galium angustifolium A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30119 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR88191  Galium angustifolium A. C. Sanders, John Wear, Nathan Moorhatch, Tish Bennett 1995-5-31 17228 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Cushenbury Canyon, ridges and canyon just south of the Mitsubishi lime plant 1585 Comment
  VVC1151  Galium angustifolium A. C. Sanders, J. Mac 1994-6-3 14647 San Bernardino San Bernardino Mtns, Upper Furnace Canyon on the N slope of the mtns above Lucerne Valley, W edge of a large limestone mining pit 1900 Comment
  UCR83888  Galium angustifolium subsp. angustifolium A. C. Sanders, P. J. MacKay 1994-7-10 15018 San Bernardino San Bernardino Mtns., Wildhorse Trail between Cienaga Seca Creek & Wildhorse Creek 2450 Comment
  UCR88200  Galium hilendiae subsp. hilendiae A. C. Sanders, John Wear, Nathan Moorhatch, Tish Bennett 1995-5-31 17210 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Cushenbury Canyon, ridges and canyon just south of the Mitsubishi lime plant 1585 Comment
  IRVC27852  Galium parisiense A. C. Sanders 2005-5-13 30224 San Diego Blue Sky Ecological Reserve, E of Rancho Bernardo and N of Poway, along Green Valley Truck Trail, in cyn above turnoff to Lake Poway. Peninsular Ranges; Coastal Foothills 207 Comment
  OBI45235  Galium porrigens A. C. Sanders, B. Pitzer & Steve Morgan, Steve Morgan 1987-5-14 7087 San Diego W end of Otay Mesa, E of San Ysidro, head of Dillon Cyn 152 Comment
  RSA715254  Galium porrigens A. C. Sanders 2006-5-19 32468 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR121320  Galium porrigens A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25015 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  UCR191347  Galium porrigens A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34632 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 290 Comment
  RSA739708  Galium porrigens var. porrigens A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35643 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  VVC464  Galium stellatum A. C. Sanders, J. Mac 1995-5-7 16966 San Bernardino San Bernardino Mtns/ So. Mojave Desert, canyon and slopes above Rock Corral, NE foot of the mtns, Bighorn Mtns. area 1220 Comment
  SEINET10389781  Galium stellatum subsp. eremicum A. C. Sanders, Jim Malusa 2015-3-7 41311 Imperial Chocolate Mountains, side canyon west of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 457 Comment
  CAS-BOT-BC532581  Gamochaeta antillana A. C. Sanders; T. B. Salvato 2009-5-20 36869 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  UCR120903  Gamochaeta pensylvanica A. C. Sanders 2002-3-20 24895 Riverside Sonoran (Colorado) Desert, Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo 137 Comment
  UCR155065  Gamochaeta stagnalis A. C. Sanders 2005-3-11 29157 San Diego South Coast, Carlsbad, Agua Hedionda Ecological Reserve, off Park St. near Laguna Riviera Park, under powerline above foot trail/service road along NE side of reserve 15 Comment
  HSC78555  Garrya flavescens A. C. Sanders 1983-6-11 3848 San Bernardino N side of Clark Mtn., lower Fir Canyon, Eastern Mojave Desert 1616 Comment
  CAS-BOT-BC158023  Garrya veatchii A. C. Sanders; S. Hawkins; J. Goetzen; D. Freeman 1996-5-1 18121 Riverside San Bernardino Mtns.; Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats, along the road below the pond 1097 Comment
  UCR191010  Gastridium ventricosum A. C. Sanders, Fred M. Roberts 2008-4-22 35017 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  IRVC26084  Gastridium ventricosum A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26441 San Diego Otay Mountain, lower "Copper Canyon" on the south side of the mountain ca. 0.25 km north of the Mexican border Peninsular Range 122 Comment
  UCR224946  Gaura coccinea A. C. Sanders, Ann Howald 2011-4-19 39176 Inyo NE Mojave Desert, Pahrump Valley at Calvada Springs, Ave. 'D' west of Zircon St., 1 mile north of Old Spanish Trail Hwy 795 Comment
  UCR93439  Gayophytum diffusum subsp. parviflorum A. C. Sanders, P. McKay, G. K. Helmkamp, C. L. Sanders 1994-8-14 15268 San Bernardino San Bernardino Mtns, Green Valley Lake, small pond (flood control basin) at upper (E) end of lake along Green Valley Creek, just below the highway 2125 Comment
  UCR93445  Gayophytum diffusum subsp. parviflorum A. C. Sanders, P. J. MacKay 1994-7-24 15137 San Bernardino San Bernardino Mtns., San Gorgonio Wilderness Area, along the Dollar Lake Trail (1E04) between the spur to the lake itself (1E03) and South Fork Meadows 2890 Comment
  UCR113189  Geraea canescens A. C. Sanders, J. C. Pires 1998-3-13 21721 San Bernardino Mojave Desert, Cronese Valley, south side of I-15 at Basin Rd., SE of East Cronese Dry Lake and east of Cave Mtn. 343 Comment
  UCR142068  Geranium dissectum A. C. Sanders 2003-4-30 26190 Los Angeles Western San Gabriel Mtns., Castaic Valley, along entrance road to Castaic Lake Recreation Area, off Lake Hughes Rd. 351 Comment
  UCR83867  Geum macrophyllum A. C. Sanders, P. J. MacKay 1994-7-10 15036 San Bernardino San Bernardino Mtns., Wildhorse Creek at and above Forest Service campsite, 1.5 mi. ESE of summit of Sugarloaf Mtn. 2460 Comment
  UCR157590  Gilia A. C. Sanders, E. A. Helmkamp, G. K. Helmkamp 1995-4-30 16817 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR169885  Gilia A. C. Sanders, P. J. MacKay 2001-4-14 24006 San Bernardino Eastern Mojave Desert, east of Flat Top Mtn. on Hwy 247, 6.1 mi. north of Hwy 62 and 0.5 mi. north of Pipes Canyon Rd. 1110 Comment
  UCR174178  Gilia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32572 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR191703  Gilia A. C. Sanders 2008-4-11 34856 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 990 Comment
  UCR198525  Gilia A. C. Sanders 2005-5-11 30160 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  UCR252001  Gilia A. C. Sanders, T. B. Salvato 2014-7-2 41175 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR263242  Gilia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41477 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  UCR158141  Gilia angelensis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30090 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR88418  Gilia angelensis A. C. Sanders, R. Mattoni 1995-4-10 16475 San Bernardino San Bernardino Valley, western Colton, just east of the large fuel tanks on Riverside Ave., just south of Slover Ave, 1.5 miles WSW of Slover Mtn. 305 Comment
  UCR30803  Gilia australis A. C. Sanders, Ken Berg 1980-5-1 1357 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  UCR44362  Gilia australis A. C. Sanders 1986-6-1 6568 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  SD236374  Gilia brecciarum A. C. Sanders, Mark Elvin 2003-4-5 25903 San Bernardino Mojave Desert: UC Burns Pinyon Ridge Reserve, off Skyline Ranch road, ca. 2 miles (air) ESE of Pinoneertown, 1.5 mi (air) NW of Yucca Valley, between front gate and reserve headquarters at old Burns home. 1250 Comment
  UCR185580  Gilia brecciarum A. C. Sanders 2007-4-25 33590 Los Angeles Tehachapi Mtns., Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  RSA800833  Gilia cana A. C. Sanders, Pamela J. MacKay 2001-4-14 23996 San Bernardino South Centeral Morjace Desert / east end San Bernardino Mts.: east of Flat Top Mtn. on Hwy 247, 6.1 mi. N of Hwy 62 and 0.5 mi. N of Pipes Canyon Rd. 1110 Comment
  UCR20487  Gilia cana A. C. Sanders 1978-5-6 486 San Bernardino Eastern Mojave Desert, NW side of Clark Mountain 1024 Comment
  UCR224782  Gilia cana A. C. Sanders, Josh Utter 2011-4-21 39257 Inyo NE Mojave Desert, Pahrump Valley, at Calvada Springs, north of Old Spanish Trail Hwy and west of Charleston View Ave., vicinity of Topaz St. 793 Comment
  UCR87140  Gilia cana A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-5-28 17136 San Bernardino San Bernardino Mtns, Ord Mtns area on north slope, 0.5 mi. NW of Bowen Ranch, south of Juniper Flats 1400 Comment
  IRVC26466  Gilia capitata A. C. Sanders, Mark Elvin, et al. 2003-3-5 25710 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  UCR126682  Gilia capitata A. C. Sanders, Mark A. Elvin 2003-4-16 26038 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  UCR214029  Gilia capitata A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37958 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  RSA0034370  Gilia capitata subsp. abrotanifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2007-5-15 33804 Kern steep SW-facing slopes above Crane Canyon, c. 1 mile SE of Castac Lake 1250 Comment
  UCR187011  Gilia capitata subsp. abrotanifolia A. C. Sanders 2006-4-25 32175 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR165402  Gilia diegensis A. C. Sanders, Mark Elvin 2003-4-5 25882 San Bernardino Southern Mojave Desert, UC Burns Pinyon Ridge Reserve, off Skyline Ranch Rd. c. 2 miles (air) ESE of Pioneertown, 1.5 mi. (air) NW of Yucca Valley, between front gate and reserve headquarters at old Burns home 1250 Comment
  UCR18184  Gilia diegensis A. C. Sanders 1978-4-30 493 Riverside Santa Rosa Mtns, Pinyon Flats area, shoulder of Hwy 74 between Nightingale[Pinyon Pines] and Ribbonwood [Spring Crest] 1280 Comment
  UCR98803  Gilia latiflora subsp. cuyamensis A. C. Sanders, Steve Boyd 1997-4-20 9564 B Kern San Emigdio Range, Pleito Hills region, San Emigdio Ranch, ridge on west side of Pleito Canyon, c. 4.5 mi due north of Antimony Peak. 1220 Comment
  UCR110899  Gilia leptantha subsp. transversa A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 22004 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  UCR64535  Gilia minor A. C. Sanders, E. J. Lawlor 1988-4-3 7738 Los Angeles Mojave Desert, at the northern edge of Lancaster, just NE of the intersection of Ave. 30 and Ave. E. Saline flats (probably an old lake bed) west of Rosamond Dry Lake 701 Comment
  SD261000  Gilia ochroleuca subsp. exilis Andrew C. Sanders 1994-5-29 14576 Riverside San Bedrnardino Mountains: East BrANCH Millar Canyon, along FS Road 4S45 1200 Comment
  UCR18252  Gilia scopulorum A. C. Sanders, R. Twitchell 1978-4-7 508 San Bernardino Eastern Colorado Desert, along Hwy 95 at the west foot of the Chemehuevi Mountains, north of Havasu Lake Road 610 Comment
  UCR31211  Gilia scopulorum A. C. Sanders 1983-4-23 3791 San Bernardino Sonoran/Mojave Desert, Whipple Mtns, above and east of Whipple Wash along the powerline road 305 Comment
  RSA755864  Gilia sinuata A. C. Sanders, Jim Andre, A. Howald 2009-3-30 36719 San Bernardino Pisgah, south of the Cady Mountains, around Pisgah electrical substation 633 Comment
  RSA800837  Gilia stellata A. C. Sanders, Mitch Provance, Tim Thomas 2001-3-16 23800 San Bernardino Southcentral Mojave Desert: northern end of Sheep Hole Mountains, norht side of Sheep Hole Pass, 1.3 mi. N of summit (microwave tower) 686 Comment
  UCR214284  Gilia stellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37489 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR214535  Gilia stellata A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-3 38204 San Bernardino Eastern Mojave Desert, Ivanpah Valley, alluvial slopes below Clark Mountain, proposed utility corridor from dirt road (at given coordinates) north to Kern gas pipeline corridor scar 930 Comment
  UCR279127  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-12 42840 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Pegleg Well near Pegleg Mine 424 Comment
  UCR86268  Gilia transmontana A. C. Sanders, E. J. Lawlor, C. L. Sanders 1995-4-1 16299 San Bernardino Mojave Desert, 3 mi east of Hwy 395 at a point 14.8 mi north of Adelanto (Air Base Road), on a dirt road to scattered residences 810 Comment
  UCR97034  Gilia tricolor subsp. diffusa A. C. Sanders, Steve Boyd, S. White, G. Helmkamp 1997-3-7 19790 Kern San Emigdio Ranch, divide between Pleitito Creek and San Emigdio Creek Canyon, above large vernal pool 854 Comment
  UCR193129  Githopsis diffusa subsp. candida A. C. Sanders, Tim Thomas 2008-6-20 35538 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  JEPS38604  Githopsis specularioides Dale Sanders 1964-5-14 64 -204 Fresno Miramonte, on the main road Miramonte 944 Comment
  SEINET1008980  Glandularia pulchella A. C. Sanders, B. Pitzer, D. Charlton 1986-1 16 -B.G. Riverside Cultivated on grid cell # A-3, near B-3 border. 396 Comment
  SD227788  Glossopetalon spinescens A. C. Sanders, G. F. Pratt & C. L. Pierce 1997-4-6 20307 San Bernardino Northern Mojave Desert: Avawatz Mountains, Fort Irwin Military Reservation, SE slopes of highest peak in range (1876 m, BM Avawatz), and canyon to the east 1550 Comment
  UCD170569  Glossopetalon spinescens A. C. Sanders; G. F. Pratt and C. L. Pierce 1997-4-6 20307 San Bernardino Northern Mojave Desert, Avawatz Mountains, Fort Irwin Military Reservation, SE slopes of highest peak in range (1876 m, BM 'Avawatz'), and canyon to the east. 1550 Comment
  UCR142638  Glyceria declinata A. C. Sanders, S. Hawkins 1996-4-24 18088 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  UCR191372  Glyptopleura marginata A. C. Sanders, A. Howald, T. B. Salvato, et al 2008-4-4 34706 San Bernardino Eastern Mojave Desert, Ivanpah Valley, 5.5 miles SW of Primm, NV and 1.8 mi. west of golf course on NW side of I-15, between Yates Well Rd. and isolated hill to the north 900 Comment
  IRVC28173  Gnaphalium bicolor A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27908 Riverside Alberhill Mtn., SE of old clay mining area. Peninsular Ranges 448 Comment
  IRVC28729  Gnaphalium californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25504 Los Angeles canyon draining into Santa Clara River Valley from the south off "Round Mtn." (peak 1476), north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  RSA628413  Gnaphalium californicum A. C. Sanders, Mitch Provance 1999-6-23 22863 San Bernardino San Bernardino Mtns, foothills: Yucaipa, Wilson Creek N of Oak Glen road and S of Fir Ave. between Fremont and Jefferson. 884 Comment
  UCR193463  Gnaphalium canescens subsp. microcephalum A. C. Sanders, T. B. Salvato 2008-5-13 35353 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Cyn, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  UCR213410  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Dan S. Cooper 2010-3-12 37332 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA653493  Gnaphalium luteoalbum A. C. Sanders, G. F. Pratt, C. Pierce, G. R. Ballmer, R. Mattoni, et al. 1997-6-20 20732 Inyo Mojave Desert: China Lake Naval Weapons Center, Argus Range at Mountain Spring in Mountain Spr. Cyn. 1296 Comment
  UCR114847  Gnaphalium luteoalbum A. C. Sanders, G. F. Pratt, C. Pierce, G. R. Ballmer, R. Mattoni 1997-6-20 20732 Inyo Mojave Desert, China Lake Naval Weapons Center, Argus Range at Mountain Spring in Mountain Springs Canyon 1296 Comment
  RSA713787  Gnaphalium palustre A. C. Sanders, Kelly Volansky 2005-3-17 29209 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Springs, near San Diego Aqueduct. 412 Comment
  UCR101368  Gnaphalium palustre A. C. Sanders, K. C. Rose 1998-9-29 22245 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR24885  Gnaphalium palustre A. C. Sanders 1980-7-22 1737 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR81792  Gnaphalium stramineum A. C. Sanders, P. MacKay 1994-6-12 14703 San Bernardino San Bernardino Mtns., Crowder Canyon area of Cajon Pass, 2 to 2.2 miles east of Hwy 215 along Hwy 138 1050 Comment
  UCR210184  Grindelia A. C. Sanders 2009-12-16 37237 Merced San Joaquin Valley, Santa Nella, SW of intersection of Vera Cruz Dr. and Luis Ave., west of the I-5 Fwy, NE of San Luis Reservoir 52 Comment
  RSA734895  Grindelia camporum A. C. Sanders 2008-5-28 35430 Orange Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  UCR120290  Grindelia squarrosa var. serrulata A. C. Sanders, Pam MacKay, Tim Thomas 1999-8-14 23026 San Bernardino Southern Mojave Desert, Apple Valley, just east of 22974 Bear Valley Road, school dist. office, west of Joshua Rd. and east of Central. 912 Comment
  RSA717577  Gutierrezia californica A. C. Sanders 2004-5-11 27847 Riverside Elsinore Basin Region: Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR162004  Gutierrezia californica A. C. Sanders, T. B. Salvato 2005-10-5 31749 San Diego Peninsular Range, Blue Sky Ecological Reserve (DFG), east of Rancho Bernardo and north of Poway, along Green Valley Truck Trail on slopes between the creek and new dam, vicinity of bench mark 'Joe West 335 Comment
  UCR250366  Gutierrezia californica A. C. Sanders 2014-4-25 41072 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  SEINET3386519  Gutierrezia microcephala A. C. Sanders, Bill Clark, Eve Laeger 2010-10-27 38665 Inyo Northeastern Mojave Desert; Pahrump Valley, c. 5.5 km NW (312 deg. ) of Calvada Springs, west of Opal St. and north of Ave. B, c. 3 km SE of dry lake bed. (Mound Spring 7.5' Q) 777 Comment
  UCR186926  Haplopappus acradenius A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32040 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  VVC843  Haplopappus cooperi A. C. Sanders, J. Mac 1994-6-12 14769 San Bernardino San Bernardino Mtns, Cleghorn Ridge, along Forest Service Road 2N47 between F.S. Rd 3N22 and Hwy 138, near Silverwood Lake 1433 Comment
  UCR94901  Haplopappus pinifolius A. C. Sanders, P. J. MacKay 1996-10-20 19614 San Bernardino San Bernardino Mtns., Cajon Canyon, along Pacific Crest Trail/old highway from Cajon Junction to mouth of Crowder Canyon. 945 Comment
  UCR83106  Haplopappus squarrosus A. C. Sanders, G. K. Helmkamp, S. D. White, E. J. Lawlor, C. L. Sanders 1994-9-11 15634 San Bernardino San Bernardino Mtns., Bear Creek above confluence with Santa Ana River, along the road out of Bear Creek Canyon (blocked by washout) to the E. 1130 Comment
  RSA753032  Haplopappus squarrosus subsp. grindelioides A. C. Sanders, Fred M. Roberts 2008-9-18 36098 Orange Lomas de Santiago, Santiago Creek Canyon at the highway bridge above Irvine Lake 300 Comment
  UCR142621  Haplopappus venetus A. C. Sanders, Kerry Knudsen 2004-10-15 28875 San Diego South Coast, San Elijo Lagoon Ecological Reserve (DFG), north end of Santa Helena Dr., 0.5 mi. west of El Camino Real, south of upper end of lagoon 30 Comment
  UCR162389  Haplopappus venetus A. C. Sanders, T. B. Salvato 2005-10-14 31889 San Diego Peninsular Range, Boden Canyon Ecological Reserve (DFG), tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along the road between Santa Ysabel Creek and the pond (reservoir) in middle DFG parcel, W & SW foot of Orosco Ridge 335 Comment
  SBBG103952  Hedeoma nana A. C. Sanders, E. J. Lott 1993-5-30 14121 San Bernardino Cornfield Spring Cyn, 4 mi SE of Kelso 944 Comment
  UCR112466  Hedypnois cretica A. C. Sanders 1998-5-31 21898 San Bernardino San Bernardino Valley, Agua Mansa area, north side of the Santa Ana River just east of Riverside Ave. 259 Comment
  UCR190995  Hedypnois cretica A. C. Sanders, Fred M. Roberts 2008-4-22 35059 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge c. 1/4 mi. SE of VABM Bee, above Bee Canyon landfill on road from Hicks Canyon Haul Rd. to Limestone Canyon, c. 3.5 miles WSW of Silverado 493 Comment
  UCR121094  Helianthus gracilentus A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24963 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR123076  Heliotropium curassavicum A. C. Sanders, J. R. Ekhoff 2001-9-7 24828 San Diego Peninsular Range, Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; at small reservoir in middle DFG parcel 328 Comment
  UCD119439  Heliotropium curassavicum var. oculatum A. C. Sanders 2004-8-10 28762 Riverside Perris-Aguanga Region: 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) and S of Nuevo Rd., between San Jacinto River and Nuevo. 433 Comment
  SD193239  Helminthotheca echioides A. C. Sanders 2005-6-24 31214 San Diego San Dieguito Lagoon Ecological Reserve, north edge of reserve along Palm Lane east of San Dieguito Dr. Comment
  RSA666512  Hemizonia fasciculata A. C. Sanders, D. Malueg 2001-5-17 24342 Los Angeles Montebello Hills in Montebello, 11 acres gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decomissioned. 122 Comment
  UCR126858  Hemizonia fasciculata A. C. Sanders 2003-4-29 26181 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  RSA564049  Hemizonia kelloggii A. C. Sanders 1993-5-17 14063 Riverside Hemet, S side of Florida Ave. (Hwy 74) on the E side of California Ave. 457 Comment
  UCR116670  Hemizonia kelloggii A. C. Sanders, Carolyn Washburn 2001-5-10 24242 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR117087  Hemizonia kelloggii A. C. Sanders, T. B. Salvato 2001-5-16 24299 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR192755  Hemizonia kelloggii A. C. Sanders 2008-5-4 35155 San Benito Inner Coast Range, Panoche Road, c. 9.8 miles west of I-5, c. 6.5 miles (air) ESE of Panoche 377 Comment
  UCR193745  Hemizonia mohavensis A. C. Sanders, Mitch Provance 2008-7-11 35749 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR112622  Hemizonia pallida A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke, G. Ballmer 1997-4-13 20442 Kern San Joaquin Valley, San Emigdio Ranch, mouth of San Emigdio Canyon and adjacent slopes, SE of ranch headquarters 518 Comment
  UCR100377  Hemizonia paniculata A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21612 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  UCR112002  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR209310  Hemizonia parryi subsp. australis A. C. Sanders 2009-11-6 37230 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR241836  Hemizonia pungens subsp. laevis A. C. Sanders, Timothy W. Chumley 2013-4-1 40726 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCR260875  Hemizonia pungens subsp. laevis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41573 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  UCR83114  Heracleum maximum A. C. Sanders, P. J. MacKay, G. K. Helmkamp, S. D. White 1994-8-21 15373 San Bernardino San Bernardino Mtns, Hooks Creek near Cedar Glen, east of Lake Arrowhead 1550 Comment
  UCR103389  Herniaria cinerea A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, T. Ross 1997-4-12 20366 Kern Hills S of San Joaquin Valley, San Emigdio Ranch, confluence of San Emigdio Canyon and Doc Williams Canyon, 2.5 mi. WNW of Eagle Rest Peak 854 Comment
  SEINET272329 Image available Hesperocnide tenella A. C. Sanders, O. F. Clark; H. Forster 1997-3-2 19767 Riverside Box Springs Mtns: E side of the range in Pigeon pass area above W end of Quail Call Dr. canyon just W of section line 610 Comment
  UCD138425  Hesperoyucca whipplei A. C. Sanders 2005-6-2 30386 San Diego Peninsular Range. Palomar Mountain, Plaisted Creek Ecological Reserve, NE of Rincon and Pauma Valley, between Plaisted Creek and Hwy 76, SE lobe of reserve near residences abandoned in 1996. 701 Comment
  UCR114232  Heterocodon rariflorum A. C. Sanders, G. K. Helmkamp, E. J. Lawlor, C. L. Sanders 1997-7-27 20969 San Bernardino San Bernardino Mtns., SW end of Bluff Lake, Champion Lodgepole Meadow and trail south to roadhead 2341 Comment
  SD173545  Heteromeles arbutifolia Andrew C. Sanders 2004-10-15 28873 San Diego San Elijo Lagoon Ecological Reserve (DFG), north end of Santa Helena Dr., 0.5 mi. west of El Camino Real, south of upper end of lagoon 11 Comment
  IRVC29179  Heterotheca grandiflora A. C. Sanders, Lee Jones 2004-11-7 29026 Los Angeles site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy San Fernando Valley 351 Comment
  SD167222  Heterotheca grandiflora Andrew C. Sanders 2005-10-7 31774 San Diego Buena Vista Lagoon Ecological Reserve, Oceanside, NW side of lagoon near Audubon Nature Center at Hill St./Carlsbad Blvd. Comment
  SD167225  Heterotheca grandiflora Andrew C. Sanders 2005-10-14 31893 San Diego Boden Canyon Ecological Reserve (DFG), tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along the road between Santa Ysabel Creek and the pond (reservoir) in middle DFG parcel, W & SW foot of Orosco Ridge 244 Comment
  UCR143929  Heterotheca grandiflora A. C. Sanders, Lee Jones 2004-11-7 29026 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  UCR193773  Heterotheca grandiflora A. C. Sanders, Fred M. Roberts 2008-7-3 35697 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir 285 Comment
  UCR193928  Heterotheca sessiliflora A. C. Sanders, Fred M. Roberts 2008-7-16 35848 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon 325 Comment
  UCR281041  Heuchera parishii A. C. Sanders, Mark Bibbo, Morgan King, Huang-Chi Kuo 2017-6-13 43308 San Bernardino San Bernardino Mountains, limestone hill above Furnace Creek Road (3N54) on trail toward Sentinel Quarry, head of Furnace Canyon c. 0.4 km SE of the quarry 2233 Comment
  UCR51322  Hibbertia scandens A. C. Sanders 1988-5-18 7819 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  UCR119357  Hieracium albiflorum A. C. Sanders 2000-7-9 23572 Madera Sierra Nevada Mtns., NE shore of Bass Lake, along the 'inland' highway from Bass Lake (community) to The Falls on North Fork of Willow Creek 1067 Comment
  SD129177  Hilaria rigida A. C. Sanders 1989-9-19 9496 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 kilometers (airline) south of the Tabaseca Tank, along the wash above Tabaseca Target (UTM: 11S, PH-35E, 07N) 680 Comment
  SD224799  Hilaria rigida A. C. Sanders, K. Rose & D. Woodard 1995-3-22 16205 Riverside Coachella Valley: mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I-10. 370 Comment
  SD254505  Hilaria rigida A. C. Sanders, Jim Malusa 2015-3-6 41275 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, north fork of Salvation Wash near head of canyon and top of hills, US Navy Chocolate Mountains Aerial Gunnery Range. 456 Comment
  UCR112125  Hilaria rigida A. C. Sanders, D. Malueg, K. D. Jones 1998-6-4 21957 San Bernardino Eastern Mojave Desert, Devil's Playground, along the powerline road near the rocky hills north of Sands siding 415 Comment
  UCR75541  Hilaria rigida A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13787 Riverside San Bernardino Mountains, SE end of San Bernardino Mountains, S end of Whitewater Bench, E side of the mouth of Whitewater Canyon. 450 Comment
  UCR84841  Hilaria rigida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16205 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  CAS-BOT-BC224899  Hoffmannseggia glauca A. C. Sanders; A. Howald 2010-9-21 38596 Inyo Northeastern Mojave Desert: Pahrump Valley, east of the Nopah Range and north of Calvada Springs, c. 200 m west of NV State Line and east of Quartz St. 794 Comment
  RSA712628  Holocarpha heermannii A. C. Sanders 1998-7-31 22186 Madera sierra Nevada Foothills/ San Joaquin Valley: near Twentytwo Mile House, just W of Hwy 41 on Road 208, 2.2 miles N of Hwy 145 at Four Corners. 116 Comment
  SD124918  Holocarpha obconica A. C. Sanders 1986-9-12 6919 San Joaquin Along highway I-5, 0.7 miles north of the hospital Creek bridge and 2.2 miles north of the Stanislaus Co. Line. 74 Comment
  UCD113370  Holodiscus discolor var. microphyllus A. C. Sanders; P. MacKay 1994-7-10 15001 San Bernardino San Bernardino Mountains: mile post 23.07 along Hwy 138, 2.5 miles W of Barton Flats (at Jenks Lake Road). 1900 Comment
  UCR83924  Holodiscus microphyllus var. microphyllus A. C. Sanders, P. J. MacKay 1994-7-10 15001 San Bernardino San Bernardino Mtns, Mile post 23.07 on Hwy 138, 2.5 mi west of Barton Flats (at Jenks Lake Road) 1900 Comment
  RSA717589  Hordeum depressum A. C. Sanders 2004-5-12 27877 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SEINET3258004 Image available Hordeum intercedens A. C. Sanders 2008-4-15 34886 Riverside Peninsular Range; NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding. 383 Comment
  RSA0047592  Hordeum marinum A. C. Sanders 2007-4-19 33430 Los Angeles Hills north of Oso Canyon and south of the National Cement Plant, Seen only in one place today: 34 deg 48 02N, 118 deg 44 52W. 1006 Comment
  UCR117386  Hordeum marinum A. C. Sanders, T. B. Salvato 2001-5-25 24392 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  SEINET271519 Image available Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18061 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  UCR184219  Hordeum murinum A. C. Sanders 2007-4-19 33446 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR37729  Hornungia procumbens A. C. Sanders 1985-3-7 5403 Riverside San Jacinto Valley, salt scald in barley fields c. 1/4 mi south of the intersection of Bridge St. and Gilman Springs Rd. 457 Comment
  UCR100578  Hydrocotyle umbellata A. C. Sanders, T. Tennant 1997-11-14 21598 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  UCR203931  Hymenoclea salsola A. C. Sanders 2009-3-12 36356 San Bernardino Mojave Desert, small cinder cone on the south side of National Trails Hwy c. 11 miles west of Amboy, 2.3 mi. SE of East Siberia siding, 2.85 mi. west of Baghdad, c. 17.5 miles (air) SE of Ludlow 277 Comment
  UCR215040  Hymenoclea salsola A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-4 38263 San Bernardino Eastern Mojave Desert, Ivanpah Valley, near metamorphic hill emerging from alluvium below Clark Mountain, 2.5 km WNW of Primm Valley Golf Club, 4.4 km W of I-15 883 Comment
  UCR195117  Hypericum formosum A. C. Sanders, Tim Thomas 2008-8-1 35946 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  SD173399  Hypochaeris glabra Andrew C. Sanders 2005-6-2 30357 San Diego Palomar Mtn., Plaisted Creek Ecological Reserve, NE of Rincon & Pauma Valley, between Plaisted Cr. and Hwy 76, SE lobe of reserve near residences abandoned in 1996 701 Comment
  RSA487823  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of its junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  UCR214202  Iris A. C. Sanders 2010-6-26 38490 Santa Cruz Coast Range; Santa Cruz Mountains, Trout Gulch north of Aptos, along sides of Trout Gulch Road, between Fern Flat and Red Hawk roads 258 Comment
  UC1746498  Isocoma menziesii var. vernonioides A. C. Sanders with D. Malueg, K. D. Jones 1999-11-19 23257 Los Angeles upper Limekiln Cyn; Santa Susana Mountains; Aliso Canyon Oil Field, Oat Mountain; Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds. This from upper Limekiln Cyn. near So Cal Gas office, SW/4 S27. 595 Comment
  UCR126837  Isomeris arborea A. C. Sanders 2003-6-19 26981 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCR158281  Isomeris arborea A. C. Sanders, Helen Kennedy 2005-4-15 29515 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, just N of Leucadia, north side of the mouth of the lagoon between the railroad crossing and Carlsbad Blvd. 15 Comment
  UCR21026  Iva axillaris A. C. Sanders, Steve Boyd 1980-5-19 1482 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR94722  Iva axillaris A. C. Sanders 1996-9-22 19558 San Bernardino San Bernardino Mtns./Mojave Desert, upper Box 'S' Spring, 0.35 mi. below Camp Rock Rd. 1159 Comment
  UCR159289  Jasminum polyanthum A. C. Sanders, T. B. Salvato 2005-6-29 31285 San Diego Peninsular Range, Palomar Mtn., DFG Plaisted Creek Ecological Reserve, NE of Rincon and Pauma Valley, between Plaisted Creek and Hwy 76, SE lobe of reserve in vicinity of residences abandoned in 1996 793 Comment
  SD173400  Jaumea carnosa Andrew C. Sanders 2005-6-22 31165 San Diego Buena Vista Lagoon Ecological Reserve (DFG), Carlsbad, north side of lagoon between Carlsbad Blvd. (S-21) and the RR, south of Eaton St. Comment
  CAS-BOT-BC158128  Juglans californica A. C. Sanders; R. E. Riefner, Jr. 2009-8-18 37168 Los Angeles San Gabriel Valley: Pomona, Cal Poly Pomona campus at Kellogg West 267 Comment
  IRVC28544  Juglans californica A. C. Sanders, Mark A. Elvin 2003-5-15 26714 Ventura along dirt road to the crest of the range above Salt Canyon, 1 km west of Los Angeles Co. line, Newhall Ranch Santa Susana Mtns. 701 Comment
  IRVC28759  Juglans californica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25548 Los Angeles Newhall Ranch, upper Potrero Canyon NE end of Santa Susana Mtns. 400 Comment
  RSA0011074  Juglans californica A. C. Sanders 2004-6-30 28395 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City. 470 Comment
  RSA0011198  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37141 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  RSA787255  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37148 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR127246  Juglans californica A. C. Sanders, Tricia Wotipka 2003-5-15 26683 Ventura Santa Susana Mtns., crest of the range 2 km west of Los Angeles Co. line, SW edge of Newhall Ranch 793 Comment
  UCR210052  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37170 Los Angeles San Gabriel Valley, Pomona, Cal Poly Pomona campus at Kellogg West 267 Comment
  RSA614693  Juglans californica var. californica A. C. Sanders, G. Helmkamp, S. White, E. J. Lawlor, C. L. Sanders 1994-9-11 15628 San Bernardino Santa Ana River Canyon at middle powerhouse, a short distance above the Warm Springs Cyn. confluence. 732 Comment
  RSA787278  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive 320 Comment
  SD173322  Juncus acutus Andrew C. Sanders 2004-4-23 27643 San Diego South Coast, Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons ca. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd. Near stream, under oak canopy. (IPB 12/07) 91 Comment
  UCR130939  Juncus balticus A. C. Sanders 1999-7-7 22970 San Bernardino San Bernardino Mtns., Big Bear Valley, south side of Baldwin Lake on E side of wastewater treatment facility, N end of Palomino Dr. 2049 Comment
  UCR193797  Juncus balticus A. C. Sanders, Fred M. Roberts 2008-7-3 35706 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Weir Canyon Rd. 1.2 mi. SSE of Walnut Canyon Reservoir, below Upper Blind Canyon Rd. 212 Comment
  IRVC29013  Juncus bufonius A. C. Sanders, Mark Elvin 2002-6-25 25290 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  UCR119805  Juncus bufonius A. C. Sanders 2000-7-9 23581 Madera Sierra Nevada Mtns., NE shore of Bass Lake, along the lakeshore road from Bass Lake School to near mouth of North Fork Willow Creek 1037 Comment
  UCR187243  Juncus bufonius A. C. Sanders 2006-5-16 32332 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  UCR76173  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UCR127143  Juncus bufonius var. congestus A. C. Sanders, P. J. MacKay 2003-6-10 26874 San Bernardino San Bernardino Mtns., Horsethief Creek near Pacific Crest Trail, 2 km SW of Summit 1067 Comment
  CAS-BOT-BC110089  Juncus cooperi A. C. Sanders; P. MacKay; G. Helmkamp; J. Stewart; C. L. Sanders 1994-12-4 15887 Riverside Colorado Desert, Salton Sink. Dos Palmas Spring and immediated vicinity. -30 Comment
  RSA713779  Juncus dubius A. C. Sanders, Steve Boyd, J. S. Ross, Mitch Provance 1998-10-25 22274 Riverside Hwy 74, roadside seep ca. 2 miles below (west of) Mountain Center.11S NH-2E, 2N 1250 Comment
  UCR137577  Juncus dubius A. C. Sanders 1998-7-31 22176 Madera Sierra Nevada Mtns., south end of Bass Lake near Wishon Point Campground, off Crane Valley Road 1067 Comment
  UCR24965  Juncus duranii A. C. Sanders 1980-8-23 1755 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR37038  Juncus effusus A. C. Sanders, J. Zabriskie 1984-6-18 5075 Sacramento American River NE of Sacramento, C.M. Goethe Park near Rancho Cordova 18 Comment
  RSA756729  Juncus macrophyllus A. C. Sanders, T. B. Salvato 2005-5-24 30241 Los Angeles Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  UC1950793  Juncus macrophyllus A. C. Sanders, P. J. MacKay, Tim Thomas, Mitch Provance, Petra Wester 2004-6-12 28155 San Bernardino San Bernardino Mountains: Arrastre Creek at Smarts Ranch Road (FS 3N03) crossing Ca. 5 mi SE of Hwy 18 1829 Comment
  UCR104077  Juncus macrophyllus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20693 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR165183  Juncus macrophyllus A. C. Sanders, P. J. MacKay, Tim Thomas, Mitch Provance, Petra Wester 2004-6-12 28155 San Bernardino San Bernardino Mtns., Arrastre Creek at Smart's Ranch Road (FS 3N03) crossing c. 5 miles SE of Hwy 18 1829 Comment
  UCR24962  Juncus macrophyllus A. C. Sanders 1981-7-19 1688 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  UCR77154  Juncus macrophyllus A. C. Sanders, E. J. Lott 1993-5-30 14143 San Bernardino Eastern Mojave Desert, Cottonwood Spring, Granite Mountains, along Cottonwood Wash near the end of the dirt road to the spring 1296 Comment
  UCR21011  Juncus mexicanus A. C. Sanders, J. Zabriskie, S. D. Boyd 1980-4-17 1336 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  UCR193851  Juncus patens A. C. Sanders, Fred M. Roberts 2008-7-16 35856 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hangmans Tree Canyon 395 Comment
  CAS-BOT-BC177176  Juncus saximontanus A. C. Sanders; D. Bramlet; M. Jacobsmyer; H. Spilman 1996-8-17 19451 San Bernardino San Bernardino Mtns: south edge of Big Pine Flat, 0.3 mi. from Forest Service road 3N14 at Big Pine Flat on road from Green Valley Lake 2073 Comment
  CDA25223  Juncus textilis A. C. Sanders, Fred M. Roberts 2008-8-7 35994 Orange Peninsular Range; Santa Ana Mountains.; Lower Weir Canyon, at narrow gorge c. 0.6 mile above mouth of canyon at Irvine Ranch gate. Comment
  RSA695429  Juncus textilis A. C. Sanders, Mark A. Elvin, Julie Vanderwier, M. S. Enright 2002-6-26 25301 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, S of Santa Clara River, above river gate into ranch. 305 Comment
  RSA715349  Juncus textilis A. C. Sanders, T. B. Salvato 2006-6-2 33076 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott Road and north of Clinton Keith Road. 518 Comment
  SD173325  Juncus xiphioides Andrew C. Sanders 2004-6-10 28118 San Diego Carlsbad, Agua Hedionda Ecological Reserve, near El Camino Real and Cannon Rd., along lower Agua Hedionda Creek. In moist soil under willows. (IPB 1/08) 9 Comment
  UCR125971  Juncus xiphioides A. C. Sanders, Mark Elvin 2002-6-19 25174 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR177388  Juncus xiphioides A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15825 San Bernardino San Bernardino Mtns., Pipes Canyon, lower part of canyon from the gauging station upstream c. 1 mile 1402 Comment
  RSA714301  Juniperus A. C. Sanders, Maile Neel 1999-10-29 23206 San Bernardino Lone Valley, 2.7 miles southeast of Hwy 18 on Smarts Ranch Road. 1829 Comment
  CAS-BOT-BC85387  Juniperus californica A. C. Sanders; P. J. MacKay; D. L. Sanders 2003-1-25 25670 San Bernardino San Bernardino Mtns: the Narros in lower Crowder Canyon, Cajon Pass near Cajon Juncation (Cajon 7.5') 944 Comment
  UCR155312  Juniperus californica A. C. Sanders 2005-5-4 29843 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  CAS-BOT-BC235494  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside San Bernardino Mountains: mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  OBI42564  Keckiella antirrhinoides A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6474 Riverside San Jacinto Mts, lower Bee Cyn, 0.2 mi above the mouth of the cyn 610 Comment
  UCR225613  Keckiella antirrhinoides A. C. Sanders 2011-3-30 38921 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCSB63557  Kochia californica Sanders, A. 1993-5-5 San Bernardino Southern Mojave Desert; Rabbit Springs, N side of Rabbit Springs Road; (T4N R1W SW/4 of SW/4 S2 and SE/4 of SE/4 S3); [UTM 10km. cell: NJ-0E, 1N. Lucerne Valley] 875 Comment
  UCR242060  Koeberlinia spinosa A. C. Sanders, T. B. Salvato, Tim Thomas 2012-10-31 40486 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench south of the Chuckwalla Mtns., between Indian Well and Arroyo Seco, SW of Graham Pass, BLM Rd. 620 between rds. 552 & 554 near cutoff road to Raineys Well 537 Comment
  UCR58349  Koeberlinia spinosa subsp. tenuispina A. C. Sanders 1989-9-26 9517 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 5.5 miles west of the eastern base boundary (at the end of Dietz Road) on the road to Pegleg Well 375 Comment
  UCR264193  Koeberlinia spinosa var. tenuispina A. C. Sanders, Jim Malusa 2015-9-8 41821 Imperial Sonoran (Colorado) Desert, south foot of the Little Mule Mountains, near E.O.D. Camp Burt, c. 3.5 km west of Skyline Rd., SW of isolated volcanic hill 348 Comment
  RSA714006  Lactuca serriola A. C. Sanders, T. B. Salvato 2005-10-14 31881 San Diego Peninsular Range: Boden Canyon Ecological Reserve (DFG), tributary of Santa Ysabel Creek and the pond (reservior) in middle DFG parcel, W & SW foot of Orosco Ridge. 244 Comment
  RSA752818  Lactuca serriola A. C. Sanders, Fred M. Roberts 2008-8-7 36001 Orange Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir 226 Comment
  UCR86653  Lamium amplexicaule A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16262 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR112776  Langloisia matthewsii A. C. Sanders, Ed LaRue 1997-4-24 20562 San Bernardino San Bernardino Mtns., BLM land on north side of peak 5524 near Round Mountain, NW of the Partin Bros. (Lester) Mine at Terrace Springs, NE end of S.B. Mtns. 1677 Comment
  UCR113135  Langloisia schottii A. C. Sanders, J. C. Pires 1998-3-13 21716 San Bernardino Mojave Desert, Cronese Valley, south side of I-15 at Basin Rd., SE of East Cronese Dry Lake and east of Cave Mtn. 343 Comment
  UCR82301  Lappula occidentalis A. C. Sanders, P. J. MacKay, G. K. Helmkamp, S. D. White, C. L. Sanders 1994-9-4 15600 San Bernardino San Bernardino Mtns, Arrastre Creek at crossing of Forest Service Road 2N04, just below the confluence with Balky Horse Canyon 2155 Comment
  UCR262463  Larrea tridentata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41499 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  CAS-BOT-BC338916  Lasthenia californica A. C. Sanders; S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  UCR174155  Lasthenia coronaria A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32574 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA714795  Lasthenia gracilis A. C. Sanders, Mark Elvin 2003-4-14 25952 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UCR121786  Lasthenia gracilis A. C. Sanders, Carolyn Washburn 2001-4-17 24045 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR126365  Lasthenia gracilis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 684 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR192185  Lasthenia gracilis A. C. Sanders 2008-4-10 34812 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  UCR88737  Lasthenia gracilis A. C. Sanders, K. C. Rose 1995-4-5 16372 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  VVC1192  Lathyrus latifolius A. C. Sanders, P. MacKay, G. Helmkamp, S. White 1994-8-21 15377 San Bernardino San Bernardino Mtns, Hooks Creek near Cedar Glen, E of Lake Arrowhead 1550 Comment
  UCR214634  Lavatera cretica A. C. Sanders, Dan S. Cooper 2010-3-12 37384 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR50983  Layia glandulosa A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7768 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  UCR86907  Layia glandulosa A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-28 17161 San Bernardino San Bernardino Mtns, Ord Mtns area on north slope, 0.5 mi. NW of Bowen Ranch, south of Juniper Flats 1400 Comment
  RSA653118  Layia pentachaeta subsp. albida A. C. Sanders, S. D. Boyd, et al. 1997-4-20 20529 Kern San Emigdio Ranch, San Emigdio Creek Canyon 3 miles due south of ranch headquarters at junction with dirt road to the west 686 Comment
  CAS-BOT-BC249032  Layia platyglossa A. C. Sanders; Nathan Moorhatch 2011-3-22 38796 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR82299  Lemna minuta A. C. Sanders, P. J. MacKay, S. D. White, C. L. Sanders 1994-9-18 15699 San Bernardino San Bernardino Mtns, Clark's Ranch (site) along the Seven Pines Rd, c. 0.25 mi east of Deer Creek, Santa Ana River Canyon 1494 Comment
  UCR82464  Lemna trisulca A. C. Sanders, G. K. Helmkamp, S. D. White, E. J. Lawlor, C. L. Sanders 1994-9-11 15646 San Bernardino San Bernardino Mtns., Bear Creek at confluence with Santa Ana River 1045 Comment
  RSA563918  Lepidium dictyotum var. acutidens A. C. Sanders 1993-4-1 13670 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  UCR121788B  Lepidium dictyotum var. dictyotum A. C. Sanders, Carolyn Washburn 2001-4-17 24043 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR225557  Lepidium flavum A. C. Sanders, Ann Howald 2011-4-11 39081 Inyo NE Mojave Desert, Pahrump Valley, north side of Hwy 178 near NV state line 766 Comment
  SEINET3347170 Image available Lepidium fremontii Andrew C. Sanders, A. Howald, Brian A. Elliott, et al 2009-4-4 36782 San Bernardino Mojave Desert; Cady Mountains, along road to microwave/radio towers on peak 3307, c. 1.5 mi. NNE of Black Butte Mine (Sleeping Beauty 7.5'Q). 881 Comment
  UCR260319  Lepidium fremontii A. C. Sanders, Jim Malusa 2015-3-7 41324 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, side canyon west of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 457 Comment
  UCR90791  Lepidium fremontii A. C. Sanders, G. K. Helmkamp 1996-3-24 18007 San Bernardino Mojave Desert (western), S end of Shadow Mtns, 2.1 mi north of El Mirage Rd on Mtn. View Rd. and 0.5 mi W on Colusa Rd 945 Comment
  SD124698  Lepidium lasiocarpum A. C. Sanders, D. Charlton & B. Pitzer 1986-3-1 6031 Riverside Hayfield Lake, northwest end of the lake, ca. 0.5 mile southwest of the pumping station. 409 Comment
  SD254571  Lepidium lasiocarpum A. C. Sanders, Jim Malusa 2016-3-17 42327 Imperial Sonoran (Colorado) Desert: Chocolate Mountains Aerial Gunnery Range, along old Niland-Blythe Rd at west side of Surveyors Pass (Augustine Pass 7.5'Q) 662 Comment
  UCR89889  Lepidium lasiocarpum A. C. Sanders, E. J. Lawlor 1992-4-4 12110 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC257783  Lepidium latipes A. C. Sanders; T. B. Salvato 2011-4-4 38971 Riverside Peninsular Range: Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  HSC78570  Lepidium montanum A. C. Sanders 1983-5-22 3832 San Bernardino Canyon trending NE to SW, at the W end of Pinto Mtn., head of Cedar Canyon, Midhills, eastern Mojave Desert 1616 Comment
  CAS-BOT-BC154069  Lepidium nitidum A. C. Sanders; T. B. Salvato; Mitch Provance 2003-4-4 25833 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  SD148197  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato 2001-5-3 24082 Riverside Hemet, southeast corner of State Street at Gibbil, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  RSA618542  Lepidospartum squamatum A. C. Sanders, Steve Boyd, Valerie Soza 1998-11-15 22341 Kern Indian Wells Canyon, NW of Inyokern, ca. 1.2 mi. above the mouth of the canyon at the powerline road 963 Comment
  UCR130318  Lepidospartum squamatum A. C. Sanders, Mark A. Elvin 2003-10-5 27231 San Bernardino Southern Mojave Desert, UC Burns Pinyon Ridge Reserve, big wash at Yucca Valley town limit off (above) Pioneertown Rd. and in mouth of large canyon from NE 1098 Comment
  UCR193821  Lepidospartum squamatum A. C. Sanders, Fred M. Roberts 2008-7-16 35864 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 370 Comment
  SEINET11685710  Leptochloa fusca subsp. fascicularis A. C. Sanders 1981-1 2340 Los Angeles Mojave Desert, W end of Rosamond Dry Lake at Ave. C 693 Comment
  SD233901  Leptosiphon floribundus A. C. Sanders Sanders, P. MacKay & C. L. Sanders 1996-5-5 18163 San Bernardino San Bernardino Mountains Iwestern): Cleghorn Road ca. 1/4 mi. SE of Cleghorn Pass. 1340 Comment
  SD227874  Leptosiphon liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns.: Morongo Indian Reservation, side canyon E of Middle Branch Millard Canyon (Cabazon 7.5' Q) 1280 Comment
  UCR31320  Lesquerella kingii A. C. Sanders 1983-4-8 3806 San Bernardino Eastern Mojave Desert, West branch of 4th of July Canyon, New York Mtns, on a NW-SE trending ridge 1814 Comment
  UCR139615  Lessingia filaginifolia A. C. Sanders 2004-7-1 28382 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  UCR94797  Lessingia filaginifolia A. C. Sanders 1996-10-2 19587 San Bernardino San Bernardino Valley, Yucaipa, between Av. 'E' & 'F', east from Wilson Creek channel to top of slope 655 Comment
  UCR126843  Ligustrum lucidum A. C. Sanders, Mark A. Elvin 2002-8-26 25585 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa 305 Comment
  UCR26378  Lilium parryi A. C. Sanders 1981-7-11 2201 Riverside San Jacinto Mtns., Hall Canyon above the James Reserve, at Indian Creek 1738 Comment
  SD236325  Limnanthes alba subsp. parishii A. C. Sanders, Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UC1950789  Limonium ramosissimum A. C. Sanders 2004-5-21 27950 San Diego South Coast: Carlsbad, Agua hedionda Ecological Reserve, off Park St. east of Neblina. Comment
  UCR210818  Linanthus arenicola A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-30 36696 San Bernardino Mojave Desert, Pisgah, south of the Cady Mountains, around Pisgah electrical substation 633 Comment
  UCR18211  Linanthus aureus A. C. Sanders, R. Twitchell 1978-4-5 522 San Bernardino Central Mojave Desert, 3.9 mi east of the Field Road exit on Hwy I-15, c. 7 mi northwest of Afton Canyon, north side of the hwy at rest area, near site of Midway 612 Comment
  UCR47327  Linanthus bigelovii A. C. Sanders 1987-4-4 7008 San Bernardino Eastern Mojave Desert, Hart Mine, SW end of Castle Mountains 1375 Comment
  UCR210806  Linanthus demissus A. C. Sanders, Fred M. Roberts, Katy Beck, Eve Laeger, et al 2009-3-26 36613 San Bernardino Mojave Desert, Cady Mountains, along powerline road NW of Sleeping Beauty Mtn., c. 3 mile section of road NE of summit of pass from Pisgah area 793 Comment
  UCR102820  Linanthus dianthiflorus A. C. Sanders 1997-3-26 20110 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  UCR187272  Linanthus dichotomus A. C. Sanders 2006-4-18 32102 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  UCR260232  Linanthus jonesii A. C. Sanders, Jim Malusa 2015-3-8 41338 Imperial Sonoran (Colorado) Desert, Salvation Pass in the Chocolate Mountains, small side canyon south of the main wash, US Navy Chocolate Mountains Aerial Gunnery Range 354 Comment
  UCR279138  Linanthus jonesii A. C. Sanders, Jim Malusa 2017-3-11 42805 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Niland to Pegleg Well Rd., 18.25 km east (92 deg. ) of Niland 198 Comment
  UCR91002  Linanthus killipii A. C. Sanders, P. J. MacKay, A. Meyer 1995-6-11 17314 San Bernardino San Bernardino Mtns., Smart's Ranch Road (3N03) crossing of Arrastre Creek, 4.9 mi SE of Hwy 18 1845 Comment
  UCR187260  Linanthus liniflorus A. C. Sanders 2007-6-27 34229 Kern Tehachapi Mtns., divide between heads of Dry Field and Oso canyons, c. 2 miles east of Castac Lake and 3.5 miles NE of Gorman, c. 1 mile north of the Los Angeles Co. line near the powerline route 1311 Comment
  UCR75461  Linanthus liniflorus A. C. Sanders, E. J. Lott 1993-5-14 14049 San Bernardino San Bernardino Mtns., Pisgah Peak Road, c. 1.5 km above Oak Glen Road, NW foot of Pisgah Peak 1100 Comment
  UCR112344  Linanthus parryae A. C. Sanders, D. Malueg, K. D. Jones 1998-5-12 21799 San Bernardino Mojave Desert, Baldy Mesa, Lugo-Vincent Powerline (S Cal. Edison), c. 1 mi. west of I-15 and north of Cajon Summit 1250 Comment
  UCR184049  Linanthus parviflorus A. C. Sanders 2007-4-19 33433 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR158131  Linaria canadensis var. texana A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30101 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR263468  Lithophragma A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35580 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, below mapped spring 1479 Comment
  UCR126604  Lobularia maritima A. C. Sanders, Mark Elvin 2003-8-7 27177 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR88306  Logfia arizonica A. C. Sanders, Karin Cleary-Rose 1995-4-5 16375 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR86870  Logfia depressa A. C. Sanders, James C. Dice, Karin Cleary-Rose, Denise Woodard 1995-3-29 16277 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  SBBG87987  Logfia filaginoides A. C. Sanders 1988-4-21 7793 San Bernardino Cajon Pass area, between NW of San Bernardino State College, between Devil Cyn and Bailey Cyn 499 Comment
  UCR88621  Logfia filaginoides A. C. Sanders, J. C. Lyman 1995-4-15 16536 San Bernardino San Bernardino Valley, Fontana, east slopes of the Jurupa Hills, south of Jurupa Hills Regional Park, west of Sierra Ave, NE of Mt. Jurupa 610 Comment
  SEINET251657 Image available Lolium perenne A. C. Sanders, Mark A. Elvin 2003-6-18 26940 Los Angeles Santa Susana Mountains: along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch (Simi Valley East 7.5 Q.:) 853 Comment
  UCR75613  Lolium perenne subsp. multiflorum A. C. Sanders, O. F. Clarke, T. Krantz, R. F. Thorne 1993-4-27 13843 San Bernardino San Bernardino Mtns, Arrowhead Hot Springs, c. 700 ft WSW of the old Arrowhead Hot Springs Hotel, W side of the road to the hotel from Old Waterman Canyon Rd. and south of a dirt track which angles back toward the property entrance 595 Comment
  IRVC27795  Lomatium dasycarpum A. C. Sanders 2005-5-11 30137 Los Angeles Santa Clarita area, upper Plum Cyn along dirt track towards Cruzan Mesa from Plum Cyn Rd., NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 610 Comment
  UCR83756  Lomatium dissectum A. C. Sanders, P. MacKay 1994-6-19 14831 San Bernardino San Bernardino Mtns., lower Miller Canyon (E fork of W fork of Mojave River), below Pilot Rock Camp 1128 Comment
  IRVC27223  Lomatium lucidum A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26472 San Diego Otay Mountain, along trail between "Copper Canyon" and "Wild Bill's Draw" on the south side of the mountain just barely north of the Mexican border Peninsular Range 366 Comment
  UCR21185  Lomatium mohavense A. C. Sanders, Nancy Smith, K. R. Neisess 1980-6-4 596 Kern San Emigdio Mtns, 5 mi NE of Mt. Pinos along a dirt road north of the Hwy between Frazier Park and Mt. Pinos 1835 Comment
  SEINET226230  Lomatium parryi A. C. Sanders 1983-6-12 3862 San Bernardino North side of Clark Mountain upper Fir Canyon including the white fir grove eastern Mojave Desert Comment
  UCR28652  Lomatium parryi A. C. Sanders 1976-4-28 026 San Bernardino Eastern Mojave Desert, Summit of the New York Mtns., above Keystone Canyon 2141 Comment
  UCR125419  Lomatium utriculatum A. C. Sanders, Mark Elvin, K. Rindlaub 2003-3-5 25705 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, near entrance to Magic Mountain Amusement Park, north of magin Mtn. Parkway and west of I-5 335 Comment
  UCR187237  Lomatium utriculatum A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32205 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  UCR187247  Lomatium utriculatum A. C. Sanders 2006-4-21 32125 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles ENE of Quail Lake, east of the Cement Plant Rd. and Calif. Aqueduct, north of Hwy 138 1006 Comment
  UCR19548  Lomatium utriculatum A. C. Sanders 1978-5-30 594 Inyo Northern Mojave Desert, ridge overlooking Panamint Valley, 3 miles southwest of Hunter Mountain 1835 Comment
  SD178174  Lonicera japonica Andrew C. Sanders, Mark A. Elvin 2005-4-22 29669 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center. But very locally abundant in one wooded moist area, covering shrubs and low trees. (IPB 11/07) Comment
  UCR155691  Lonicera japonica A. C. Sanders, Mark A. Elvin 2005-4-22 29669 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center 6 Comment
  UCR197713  Lonicera subspicata A. C. Sanders, Fred M. Roberts 2008-9-14 36058 San Diego South Coast, Carlsbad, off Cannon Rd. along Faraday Ave. 0.75 mi. NW of Palomar Airport, behind a business park along gated service road to a small reservoir, west of College Blvd. 60 Comment
  RSA667006  Lotus argophyllus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24195 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  UCR127896  Lotus hamatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26102 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  UCR165237  Lotus hamatus A. C. Sanders, Helen Kennedy 2005-4-13 29479 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  SEINET238655 Image available Lotus heermannii A. C. Sanders, T. Schram; D. Wappler 1994-10-4 15773 Riverside San Jacinto Mountains: north slope of the mtns.; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Creek 915 Comment
  RSA709191  Lotus humistratus A. C. Sanders, T. B. Salvato 2005-4-28 29673 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  UCR126649  Lotus humistratus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26122 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  UCR126828  Lotus humistratus A. C. Sanders 2003-6-19 26977 B Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 366 Comment
  UCR187187  Lotus humistratus A. C. Sanders 2006-4-21 32141 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  RSA617140  Lotus micranthus A. C. Sanders 1996-6-1 18193 Napa Southeast edge of town at Skyline Park, east end of Imola Road East. 91 Comment
  UCR261201  Lotus procumbens A. C. Sanders, Robin Kinmont 2015-5-12 41654 Kern Tehachapi Mountains, Old Town Tehachapi, along Woodford-Tehachapi Rd. between Cherry Lane and CA Hwy 202 (West Valley Blvd.), west side of road 1257 Comment
  UCR174084  Lotus purshianus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32546 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  RSA653558  Lotus salsuginosus A. C. Sanders, Mitch Provance 1998-7-2 22112 Ventura Moorpark: hills S of Tierra Rejada Valley, along Read Rd. ca. 1/2 mile E of Moorpark Rd., just W of Hwy 23, ca. 1 mile NW of Wood Ranch Reservoir, ca. 2 mi. NE of Thousand Oaks. 209 Comment
  RSA714878  Lotus salsuginosus A. C. Sanders, Mark A. Elvin 2003-4-14 25973 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  RSA734858  Lotus salsuginosus A. C. Sanders, Mitch Provance 2008-5-20 35406 Orange Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 345 Comment
  UCR126362  Lotus salsuginosus A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27127 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR127195  Lotus salsuginosus A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26281 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  UCR50863  Lotus scoparius A. C. Sanders 1988-5-18 7838 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  UCR140692  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-11 27848 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR153969  Lotus scoparius subsp. brevialatus A. C. Sanders 2005-5-6 29972 San Diego Peninsular Ranges; Coastal Foothills region, Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, along Green Valley Truck Trail, in canyon below turnoff to Lake Poway 213 Comment
  IRVC29136  Lotus scoparius var. scoparius A. C. Sanders, Tricia Wotipka 2003-5-14 26659 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 Comment
  UCR137532  Lotus scoparius var. scoparius A. C. Sanders, Kerry Knudsen, J. R. Ekhoff 2004-7-9 28482 San Diego Peninsular Range, Palomar Mtn., DFG Plaisted Creek Ecological Reserve, NE of Rincon and Pauma Valley, between Plaisted Creek and Hwy 76, SE lobe of reserve in vicinity of residences abandoned in 1996 793 Comment
  UCR225617  Lotus strigosus A. C. Sanders, T. B. Salvato 2011-3-29 38840 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR234333  Lotus strigosus A. C. Sanders, John F. Green 2012-4-6 40002 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  UCR253040  Lotus strigosus A. C. Sanders, T. B. Salvato, Charlie Marquardt 2014-5-14 41103 San Bernardino San Bernardino Mtns., Wildlands Conservancy Oak Glen Preserve property, vicinity of Los Rios Rancho, along trail from upper pond to Hidden Hollow, Oak Knoll Park, and headquarters 1485 Comment
  UCR214577  Lotus strigosus var. strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37858 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  SD197777  Lupinus A. C. Sanders 1998-7-30 22168 Tuolumne Sierra Nevada Mountains: Harden Flat, 0.25 miles south of Highway 120, South Fork Tuolumne River, Stanislaus National Forest. 1098 Comment
  RSA628198  Lupinus andersonii A. C. Sanders 1994-6-26 14950 San Bernardino Waters Rd., just west of Fernwood Dr. at Cedarpines Park 1325 Comment
  UCR203384  Lupinus arizonicus A. C. Sanders, Jim Andre 2009-3-12 36330 San Bernardino Mojave Desert, Cadiz Valley, 3.3 miles NE of Saltus, 5 miles WSW of Chambless, c. 0.5 mi. south of National Trails Hwy. (old Rte 66) on dirt road (gasline rte?) c. 0.16 mi. east of Bolo Rd. 267 Comment
  UCR277633  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-1-14 42660 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  UCR279511  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-27 43114 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR155315  Lupinus bicolor A. C. Sanders, Mike Misenhelter 2005-3-23 29252 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR158143  Lupinus bicolor A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30084 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR75426  Lupinus bicolor A. C. Sanders, E. J. Lott 1993-4-29 13863 San Bernardino San Bernardino Mtns, east side Water Canyon, a tributary of Wildwood Canyon from the north; SW foot of Pisgah Peak. Porter Ranch 1070 Comment
  UCR214134  Lupinus concinnus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37738 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR18255  Lupinus concinnus subsp. orcuttii A. C. Sanders, R. Twitchell 1978-4-6 00349 San Bernardino Eastern Mojave Desert, gasline road at the north end of the Stepladder Mtns., just south of an isolated volcanic hill visible on the topo map 573 Comment
  UCR45021  Lupinus excubitus A. C. Sanders 1986-7-30 6833 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  UCR186956  Lupinus excubitus subsp. austromontanus A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31968 Los Angeles Tehachapi Mtns. Foothills, south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1067 Comment
  UCR193933  Lupinus hirsutissimus A. C. Sanders, Fred M. Roberts 2008-7-16 35881 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 370 Comment
  UCR86791  Lupinus hirsutissimus A. C. Sanders 1995-6-5 17279 San Bernardino San Bernardino Mtns., Mill Creek wash between the Ranger Station and the old fish hatchery site, 2-3 mi. east of Greenspot (Garnet Road), on north side of Hwy 38 808 Comment
  UCR25046  Lupinus latifolius A. C. Sanders 1980-7-22 1706 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  VVC1343  Lupinus latifolius A. C. Sanders, P. MacKay, G, Helmkamp, C. Sanders 1994-8-14 15305 San Bernardino San Bernardino Mtns., meadow on upper Metcalf Creek, south of Big Bear Lake, 1.8 mi above Tulip Lane on Mill Creek Road, and ca. 0.4 mi WSW of Elsie Caves 2245 Comment
  UCR227404  Lupinus lepidus var. confertus A. C. Sanders 2011-7-21 39830 San Bernardino San Bernardino Mtns., Big Bear Valley between Big Bear Lake (Hwy 18) and Moonridge, Rathbone Creek, 10 acre parcel between Moonridge Rd. and the golf course, east of Club View Dr. 2116 Comment
  VVC1366  Lupinus lepidus var. confertus A. C. Sanders, Pam MacKay, Tim Thomas 1999-10-9 23165 San Bernardino San Bernardino Mtns., north shore of Big Bear Lake at extreme east end of lake, at Division St., near west end of airport 2058 Comment
  UCD108625  Lupinus microcarpus A. C. Sanders; Mark A. Elvin, et al. 2003-4-14 25971 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UCR155135  Lupinus microcarpus A. C. Sanders 2005-5-5 29949 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  SBBG89132  Lupinus microcarpus var. microcarpus A. C. Sanders, E. J. Lawlor 1988-4-3 7742 Los Angeles 1 mi NW of Gorman on a gasline rd, 0.4 mi above the old hwy 1280 Comment
  SD234956  Lupinus microcarpus var. microcarpus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26124 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 487 Comment
  UCR86275  Lupinus odoratus A. C. Sanders, E. J. Lawlor, C. L. Sanders 1995-4-1 16317 San Bernardino Mojave Desert, 4.5 mi east of Hwy 395 at a point 14.8 mi north of Adelanto (Air Base Rd), near the residence of Patty Moore 823 Comment
  UCR113177  Lupinus shockleyi A. C. Sanders, J. C. Pires 1998-3-13 21725 San Bernardino Mojave Desert, Cronese Valley, south side of I-15 at Basin Rd., SE of East Cronese Dry Lake and east of Cave Mtn. 343 Comment
  UCR47279  Lupinus shockleyi A. C. Sanders 1987-4-5 7043 San Bernardino Central Mojave Desert, sandy flats c. 1 mi east of Afton Rd. on a telephone cable road paralleling I-15 to the north 488 Comment
  IRVC26946  Lupinus sparsiflorus A. C. Sanders, Tricia Wotipka 2003-4-28 26096 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  SD186212  Lupinus sparsiflorus A. C. Sanders, Andy Thompson 2003-4-15 26007 Los Angeles Newhall Ranch, south edge of Magic Mountain theme park. 366 Comment
  UCR126755  Lupinus sparsiflorus A. C. Sanders, Andy Thomson 2003-4-15 26007 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  UCR225720  Lupinus sparsiflorus A. C. Sanders 2011-3-30 38907 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR152661  Lupinus succulentus A. C. Sanders, Helen Kennedy 2005-4-15 29545 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side east of the I-5 Fwy, along the trail past the nature center 6 Comment
  SD173465  Lupinus truncatus Andrew C. Sanders 2005-5-13 30221 San Diego Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, along Green Valley Truck Trail, in canyon above turnoff to Lake Poway 206 Comment
  SD186215  Lupinus truncatus A. C. Sanders, Mike Misenhelter 2005-6-15 30951 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage. 640 Comment
  UCR126245  Lupinus truncatus A. C. Sanders 2003-3-14 25778 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  UCR18527  Luzula comosa A. C. Sanders 1978-6-11 791 Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  CAS-BOT-BC233436  Lycium andersonii A. C. Sanders; G. F. Pratt; C. Pierce 1997-4-5 20214 San Bernardino Avawatz Mtns., Fort Irwin Nat. Training Center, spring in canyon S of peak 4849, Northern Mojave Desert 1280 Comment
  UCR21034  Lycium andersonii A. C. Sanders 1980-3-16 1160 San Bernardino Colorado River Valley, 8 mi NE of Earp near the Empire Landing Campground 122 Comment
  UCR75066  Lycium andersonii A. C. Sanders, E. J. Lawlor 1992-4-4 12115 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR18076  Lycium brevipes var. hassei A. C. Sanders 1976-3-10 989 Los Angeles South Coast, Portuguese Point, above Abalone Cove, Palos Verdes Peninsula 30 Comment
  CAS-BOT-BC224939  Lycium pallidum A. C. Sanders; A. Howald 2010-9-21 38589 Inyo Northeastern Mojave Desert: Pahrump Valley, east of the Nopah Range at Calvada Springs, Charleston View Rd. (Silver St.), 1.1 mi. south of State Line Rd. 793 Comment
  SBBG87826  Lycium parishii A. C. Sanders 1986-3-9 6190 Imperial Fossil Cyn, on Shell Cyn Rd, 3.3 mi N of Imperial Hwy (County Rd S-2) at Ocotillo; Coyote Mtns 304 Comment
  SD236330  Lythrum californicum A. C. Sanders, Cindy Burrascano 2003-5-3 26293 San Diego Peninsular Range: Otay Mountain, lower Copper Canyon on the south side of the mountain ca. 0.25 km north of the Mexican border 121 Comment
  UCR18035  Machaeranthera canescens A. C. Sanders 1975-10-15 149 San Bernardino Eastern Mojave Desert, Eastern New York Mountains, near Castle Peaks 1585 Comment
  UCR117267  Machaeranthera tortifolia A. C. Sanders, G. F. Pratt, C. Pierce 1997-4-5 20205 San Bernardino Northern Mojave Desert, Avawatz Mountains, Fort Irwin National Training Center, spring in canyon south of peak 4849 ft. 1280 Comment
  UCR185600  Madia elegans A. C. Sanders 2007-4-25 33578 Los Angeles Tehachapi Mtns., Oso Canyon, 0.25 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1159 Comment
  UCR137205  Madia gracilis A. C. Sanders 2004-6-25 28266 San Diego Peninsular Range, Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along road in upper DFG parcel 396 Comment
  UCR193384  Madia gracilis A. C. Sanders, Mitch Provance 2008-5-20 35390 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, mouth of Hangman Tree Canyon just above confluence with Santiago Creek Canyon, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  UCR50864  Magnolia grandiflora A. C. Sanders 1988-5-18 7834 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  UCR18140  Malacothamnus densiflorus A. C. Sanders 1976-7-27 429 San Diego Peninsular Range, in the hills west of Boulder Oaks, near Bear Valley 1220 Comment
  RSA695387  Malacothamnus fasciculatus A. C. Sanders, Mark A. Elvin 2002-6-18 25132 Los Angeles NE end of Santa Susana Mtn.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  UCR125772  Malacothamnus fasciculatus A. C. Sanders, Mark Elvin 2002-6-20 25213 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  OBI39247  Malacothamnus fremontii A. C. Sanders & F. C. Vasek, F. C. Vasek 1984-6-6 5103 Kern Eastern edge of Frazier Park along Frazier Mtn Park rd, about 1 mi W of the freeway jctn 1463 Comment
  UCR187179  Malacothrix californica A. C. Sanders 2006-4-21 32143 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  UCR209060  Malacothrix californica A. C. Sanders 2007-4-25 33594 Los Angeles Tehachapi Mtns., Oso Canyon, 0.7 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  RSA613900  Malacothrix clevelandii A. C. Sanders, P. J. MacKay, Tim C. Thomas, O. F. Clarke 1997-5-4 20629 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  UCR87630  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SEINET242055  Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside Western Colorado Desert: Coachella Vly, Garnet, along transmission line route E of Garnet Wash 232 Comment
  UCR204152  Malacothrix glabrata A. C. Sanders 2009-3-15 36399 San Bernardino Mojave Desert, Cadiz Valley, c. 2.2 miles (air) WSW of Chambless, c. 1 mile south of Rte 66/National Trails Hwy 231 Comment
  UCR211063  Malacothrix glabrata A. C. Sanders, A. Howald, Fred M. Roberts, et al 2009-3-25 36585 San Bernardino Mojave Desert, Cady Mountains, 3.5 miles SW of Broadwell Lake, c. 2.5 mi. NE of Sleeping Beauty Mtn. 610 Comment
  UCR279412  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-25 43006 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  IRVC29146  Malacothrix saxatilis A. C. Sanders, Tricia Wotipka, Mark A. Elvin, Scott Boczkiewicz 2003-5-14 26672 Ventura crest of the range 0.9 km west of Los Angeles Co. line, near peak 3004, SW edge of Newhall Ranch Santa Susana Mtns. 884 Comment
  UCR205707  Malacothrix saxatilis A. C. Sanders, T. B. Salvato 2009-5-18 36804 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  UCR41521  Malacothrix stebbinsii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6081 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CDA3329  Malephora crocea A. C. Sanders 2005-5-27 30291 San Diego South Coast; Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center Comment
  UCR67012  Malephora crocea A. C. Sanders 1990-10-6 10188 Orange South Coast, Newport Back Bay, SW side at North Star County Beach, SW end of the bay, c. 2 km inland from Hwy 1/ Pacific Coast Hwy 3 Comment
  UCR41479  Malperia tenuis A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet, W. W. Wright 1986-3-9 6240 Imperial Sonoran (Colorado) Desert, Painted Gorge, 5.1 mi north of S-80 on Painted Gorge Road, c. 5 mi NE of Ocotillo 152 Comment
  UCR125898  Malva parviflora A. C. Sanders, Mark Elvin, et al 2002-6-26 25299 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at north foot of 'Airport Mesa' and c. 0.75 mile above Castaic Creek confluence, c. 1 mi. SW of Castaic Junction 305 Comment
  UCR275221  Malvella leprosa A. C. Sanders, Karen Kirtland 2016-9-23 42630 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UCR112334  Marah macrocarpa A. C. Sanders, D. Malueg, K. D. Jones 1998-5-12 21789 San Bernardino Mojave Desert, Baldy Mesa, Lugo-Vincent Powerline (S Cal. Edison), c. 1 mi. west of I-15 and north of Cajon Summit 1250 Comment
  UCR129511  Marah macrocarpa A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12289 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR88424  Marah macrocarpa A. C. Sanders, K. C. Rose 1995-4-5 16359 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR97675  Marah macrocarpa A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19909 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  SD227668  Marsilea vestita A. C. Sanders, K. C. Rose 1998-9-29 22240 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanada Ave. and the Tres Cerritos Hills 459 Comment
  UCR101462  Marsilea vestita A. C. Sanders, K. C. Rose 1998-9-29 22240 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR269620  Medicago A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42006 Riverside Peninsular Range; San Jacinto Mtns., San Jacinto River Canyon along Hwy 74, c. 0.3 km above Cranston Guard Station 598 Comment
  SD212618  Medicago polymorpha Andrew C. Sanders 2005-4-22 29619 San Diego Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center Quad: Encinitas 7.5A Q. Comment
  UCR48972  Melaleuca nesophila A. C. Sanders 1987-9-18 7373 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  UCR159139  Melica A. C. Sanders, E. J. Lott 1993-5-14 14040 San Bernardino San Bernardino Mtns., Pisgah Peak Road, c. 1.5 km above Oak Glen Road, NW foot of Pisgah Peak 1100 Comment
  RSA660487  Melica frutescens A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23442 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR41493  Melica frutescens A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright 1986-3-10 6300 Imperial Peninsular Range/ Sonoran (Colorado) Desert, South side of old highway at Mountain Springs Road exit from Hwy I-8, c. 1/3 mile east of town of Mountain Springs, at head of Myer Creek 673 Comment
  RSA725895  Melica imperfecta A. C. Sanders 2003-5-1 26246 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  SEINET251648 Image available Melica imperfecta A. C. Sanders, Mark A. Elvin 2003-5-13 26595 Ventura Santa Susana Mtns., Western Trancerst Range: Newhall Rnch west side of Salt Canyon watershed, toward Tapo Canyon (Val Verde 7.5' Q.) 488 Comment
  UCR127287  Melica imperfecta A. C. Sanders, Mark A. Elvin 2003-5-13 26595 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  UCR165241  Melica imperfecta A. C. Sanders, Helen Kennedy 2005-4-13 29483 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  UCR20737  Melica imperfecta A. C. Sanders, Steve Boyd 1980-5-2 1389 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR81800  Melilotus albus A. C. Sanders, P. J. MacKay 1994-6-12 14733 San Bernardino San Bernardino Mtns., Crowder Canyon area of Cajon Pass, 1 mi. east of Hwy 215 along Hwy 138 990 Comment
  UCR158313  Melilotus indicus A. C. Sanders, Helen Kennedy 2005-4-15 29518 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, just N of Leucadia, north side of the mouth of the lagoon between the railroad crossing and Carlsbad Blvd. 15 Comment
  UCR26937  Menodora scoparia A. C. Sanders, F. C. Vasek 1981-9-29 2360 San Bernardino Eastern Mojave Desert, New York Mtns, Keystone Canyon 2.5 mi above Ivanpah Road 1707 Comment
  UCR36548  Mentha pulegium A. C. Sanders 1984-6-18 5055 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  UCR82463  Mentha spicata A. C. Sanders, P. J. MacKay, S. D. White, C. L. Sanders 1994-9-18 15687 San Bernardino San Bernardino Mtns., Seven Oaks along the Santa Ana River at the confluence with Hamilton Creek 1590 Comment
  UCR194152  Mentzelia albicaulis A. C. Sanders 2008-4-13 34877 Los Angeles Western Mojave Desert, Antelope Valley, northeastern Palmdale, Ave. 'O' at 90th St. East 786 Comment
  UCR91567  Mentzelia albicaulis A. C. Sanders 1987-4-5 7013 San Bernardino Eastern Mojave Desert, Ivanpah Valley, 0.6 mi SE of the powerline crossing on Ivanpah Rd, 4 mi SE of Morningstar Mine Rd. 945 Comment
  RSA0060677  Mentzelia desertorum A. C. Sanders 2010-3-15 37415 Riverside Pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg ) of Blythe. 134 Comment
  UCR139555  Mentzelia dispersa A. C. Sanders, P. J. MacKay, E. J. Lawlor, D. L. Sanders 2004-6-27 28370 San Bernardino San Bernardino Mountains, Little Bear Creek, c. 1.5 mi. ENE of Lake Arrowhead, above confluence with Hooks Creek 1470 Comment
  UCR21193  Mentzelia dispersa A. C. Sanders, Nancy Smith, K. R. Neisess 1980-6-4 155 B Kern San Emigdio Mtns, 5 mi NE of Mt. Pinos along a dirt road north of the Hwy between Frazier Park and Mt. Pinos 1835 Comment
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Dec 2 2006
  UCR260271  Mentzelia involucrata A. C. Sanders, Jim Malusa 2015-3-7 41313 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, side canyon west of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 457 Comment
  UCR279123  Mentzelia involucrata var. involucrata A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-8 42746 Imperial Sonoran (Colorado) Desert, mouth of Ninemile Canyon just above Hwy 78, Chocolate Mountains 314 Comment
  RSA756142  Mentzelia jonesii A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-7 16945 San Bernardino NE foot of the mtns, SE slope of Round Mtn, c. 0.5 mi below the Partin Brothers Mine (Terrace Springs) 1372 Comment
  UCR129412  Mentzelia laevicaulis A. C. Sanders, Mark Elvin 2002-6-20 25251 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA756145  Mentzelia montana A. C. Sanders, Curtis Clark 1997-5-18 20719 San Bernardino Santa Ana River Canyon near Barton Flats, at junction of FS roads 1N45 and 1N04, SW of Sugarloaf Mtn. 1805 Comment
  UCR166305  Mentzelia montana A. C. Sanders, Curtis Clark, et al, 1997-5-18 20719 San Bernardino San Bernardino Mountains, Santa Ana River Canyon near Barton Flats, at junction of FS roads 1N45 and 1N04, SW of Sugarloaf Mtn. 1805 Comment
  UCR270342  Mentzelia montana A. C. Sanders, Karen Kirtland, Brian Bielfelt 2016-4-29 42455 San Bernardino San Bernardino Mtns., desert slope of mountains along So. CA Edison powerline in Cushenbury Canyon, c. 200 m NW of Hwy 18 at hairpin turn, due south of Whiskey Spring 1636 Comment
  UCR152459  Mesembryanthemum crystallinum A. C. Sanders, Lee Jones 2005-4-8 29320 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA708952  Mesembryanthemum nodiflorum A. C. Sanders 2005-6-24 31202 San Diego South Coast: San Dieguito Lagoon Ecological Reserve (DFG), north edge of reserve along Palm Lane (closed/abandoned) east of San Dieguito Dr. near old airport site. 0 Comment
  UCR192584  Microseris douglasii A. C. Sanders 2008-4-10 34795 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 0.85 mile SSW of Neenach School, along dirt track beside old fence line 938 Comment
  UCR18032  Microseris heterocarpa A. C. Sanders 1976-5-6 0796 San Diego Peninsular Range, SE side of El Cajon Mtn, above El Capitan Reservoir, along the truck trail 915 Comment
  UCR120954A  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23875 A Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR126872  Microseris lindleyi A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26143 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  UCR183690  Microseris lindleyi A. C. Sanders, T. B. Salvato, Mitch Provance 2007-5-10 33736 Kern Tehachapi Mountains, Dry Field Canyon, bottom of first side canyon on the west, c. 2 miles east of Castac Lake 1128 Comment
  UCR193742  Microseris lindleyi A. C. Sanders, Mitch Provance 2008-7-11 35757 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR88423  Microseris lindleyi A. C. Sanders, K. C. Rose 1995-4-5 16360 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR184112  Microseris sylvatica A. C. Sanders, T. B. Salvato 2007-4-24 33477 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  UCR157659  Mimulus A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16824 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR75316  Mimulus androsaceus A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13776 San Bernardino San Bernardino Mountains, Summit Valley on Hwy 173, 5.4 mi NE of the Hwy 138 jct & 1 mi south of the Grass Valley Creek Crossing 1000 Comment
  UCR215016  Mimulus bigelovii A. C. Sanders, Florence Caplow 2010-5-5 38301 San Bernardino Eastern Mojave Desert, Ivanpah Valley, south of limestone hill emerging from alluvium below Clark Mountain, 10.5 km SW (245 deg. ) of Primm, NV, 5.8 km WNW (104 deg. ) of Primm Valley Golf Club, 7.8 km W of I-15 1037 Comment
  HSC82815  Mimulus bigelovii var. bigelovii A. C. Sanders, Pitzer, Charlton, Kniffin 1986-3-3 6101 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  UCR83923  Mimulus parishii A. C. Sanders, P. J. MacKay, C. Walton, et al 1994-7-8 14983 San Bernardino San Gabriel Mtns., San Bernardino Mountains, N slope of the mtns. off of Bowen Ranch Road, along a small stream c. 0.1 mi above Rock Spring 1159 Comment
  UCR190986  Mimulus pilosus A. C. Sanders, Fred M. Roberts 2008-4-22 34992 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, lower Hicks Canyon haul road, just above Irvine Ranch gate and road to cement plant, c. 1 mile NE of Rattlesnake Reservoir 244 Comment
  UCR76885  Mimulus pilosus A. C. Sanders, S. D. White 1993-7-31 14163 San Bernardino San Bernardino Mountains, Upper Warm Springs Canyon, along Forest Service Rd 1S12, 0.6 mi below the junction with road 1N12 1159 Comment
  UCR121350  Mirabilis albida A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24611 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR155635  Mirabilis laevis A. C. Sanders 2005-4-29 29822 San Diego Peninsular Range, Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, along road in lower canyon below turnoff to Lake Poway 213 Comment
  CAS-BOT-BC229626  Mirabilis tenuiloba A. C. Sanders; G. Helmkamp 1996-3-17 17990 Riverside Coachella Valley: Palm Springs, mouth of Palm Cyn, ca. 0.5 km E of Palm Canyon Drive on Bogert Trail 163 Comment
  UCR269766  Mohavea confertiflora A. C. Sanders, Jim Malusa 2016-3-15 42256 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, c. 0.85 km NNE of Beal Well, NW side of a rocky hill east of old Niland-Blythe Rd. 434 Comment
  UCR279454  Mohavea confertiflora A. C. Sanders, Jim Malusa 2017-3-26 43067 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Rock Quarry in sec. 8, north of Frink, along dirt road above Siphon 17 of the Coachella Canal 122 Comment
  UCR82781  Mollugo cerviana A. C. Sanders, P. MacKay 1994-10-2 15753 San Bernardino San Bernardino Mtns., Rattlesnake Canyon, near Rattlesnake Spring 1223 Comment
  UCR116269  Monardella A. C. Sanders, Mark Elvin 2001-8-3 24569 San Bernardino Eastern Mojave Desert, Clark Mountain, 'Fir Canyon' on north side, 1-2.2 km above Green's Well Rd. 1707 Comment
  SD239801  Monardella hypoleuca subsp. intermedia A. C. Sanders, Mark A. Elvin 2005-9-2 31613 Orange Santa Ana Mountains: near head of Holy Jim Canyon, a major tributary of Trabuco Canyon, along the trail in the switchbacks, below the towers on Santiago Peak (Santiago Peak 7.5'Q) 997 Comment
  UCR185412  Monardella linoides A. C. Sanders, Mitch Provance 2007-6-29 34272 Kern Tehachapi Mtns., ridge just east of peak 4908, c. 3 miles east of Castac Lake, NE of the head of Oso Canyon 1463 Comment
  CAS-BOT-BC227849  Monardella villosa A. C. Sanders 2011-7-4 39790 Santa Cruz Outer South Coast Range; Santa Cruz Mountains: China Grade Rd. 2.2 miles north of Hwy 236, north edge of road, opposite Big Basin St. Park and almost on San Mateo Co. line, 8.25 miles NW (317 deg. ) of Boulder Creek, at junction to Boy Scout camp road 688 Comment
  SD241084  Monardella villosa A. C. Sanders 2011-7-4 39772 Santa Cruz Outer South Coast Range: Santa Cruz Mtns; Quail Hollow Road at crest of pass over hill, Felton area (Felton 7.5'Q) 199 Comment
  UCR260872  Monolepis nuttalliana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41577 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  UCR203821  Monoptilon bellioides A. C. Sanders 2009-3-16 36446 San Bernardino Mojave Desert, Cady Mountains, alluvial slope 2 miles west of Broadwell Lake, c. 1 mile SW of Old Dominion Mine 480 Comment
  UCR41807  Monoptilon bellioides A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6228 Imperial Sonoran (Colorado) Desert, Badlands south of Painted Gorge, 1/2 mi east of Painted Gorge Road at a point 2.4 miles north of Hwy S-80 76 Comment
  UCR158279  Muhlenbergia A. C. Sanders, G. K. Helmkamp 1996-3-17 17974 Riverside Coachella Valley, North Palm Springs (Garnet), I-10 at Indian Ave., N of Garnet Ave 250 Comment
  UCR18192  Muhlenbergia asperifolia A. C. Sanders 1976-7-28 891 San Diego Cleveland National Forest, along Kitchen Creek near Boulder Oaks 976 Comment
  RSA605412  Muhlenbergia californica A. C. Sanders, David E. Bramlet, M. Jacobsmeyer, Spilman 1996-8-17 14990 San Bernardino Holcomb Creek at Forest Service Road 3N16, and to ca. 1 km upstream., 117 deg 2.9'W, 34 deg 16.5'N 1667 Comment
  RSA0062476  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato 2012-10-12 40426 Riverside Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail. 151 Comment
  UCR127788  Muhlenbergia microsperma A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26463 San Diego Peninsular Range, San Ysidro Mountains, Otay Mountain, along trail between 'Copper Canyon' and 'Wild Bill's Draw' on the south side of the mountain just barely north of the Mexican border 366 Comment
  UCR269834  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2016-3-17 42338 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench just inside Chocolate Mountains Aerial Gunnery Range, along old Niland-Blythe Rd. 1.2 km east of Surveyors Pass 629 Comment
  UCR125760  Muhlenbergia rigens A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25658 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  UCR82832  Muhlenbergia rigens A. C. Sanders, P. J. MacKay 1994-10-2 15765 San Bernardino San Bernardino Mtns., Upper Rattlesnake Canyon; above the road end in the gorge above an old mine site. 1463 Comment
  UCR157735  Muilla A. C. Sanders, P. J. MacKay, A. Meyer 1995-6-11 17302 San Bernardino San Bernardino Mountains, north of Baldwin Lake: Forest Service Road 3N03 (Smart's Ranch Rd.), 2.45 mi southeast of Hwy 18, 0.8 mi west of Smart's Ranch 1829 Comment
  UCR214064  Muilla maritima A. C. Sanders 2010-4-19 37944 Kern Southern Foothills of Tehachapi Mountains, hills and canyons c. 1 mile east of Canyon del Gato Montes, north of the end of 265th St. West, N of the dirt road going NE toward Sacatara Creek 1250 Comment
  UCR222401  Myoporum insulare A. C. Sanders, Andrew Chen 2011-1-5 38704 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Santa Ana River, Jurupa area of Riverside, SE of Riverview Dr. and west of Rio Rd. 223 Comment
  SD167089  Myoporum parvifolium Andrew C. Sanders 2005-10-12 31813 San Diego Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons ca. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  UCR222403  Myoporum sandwicense A. C. Sanders, Andrew Chen 2011-1-6 38706 San Diego South Coast, San Diego, Torrey Pines Science Park, opposite 11011 Callan Rd, above road and adjacent to parking lot, c. 180 m east of North Torrey Pines Rd. 136 Comment
  RSA709418  Nama demissa A. C. Sanders, O. F. Clarke 1992-5-9 12292 San Bernardino mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock. 1433 Comment
  UCR116734  Nama demissa A. C. Sanders, P. J. MacKay 2001-4-14 23997 San Bernardino Eastern Mojave Desert, east of Flat Top Mtn. on Hwy 247, 6.1 mi. north of Hwy 62 and 0.5 mi. north of Pipes Canyon Rd. 1110 Comment
  UCR129513  Nama demissa A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12292 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR225478  Nama demissa A. C. Sanders, Chloe Scott, Bill Clark, Josh Utter, Eve Laeger 2011-5-5 39452 Inyo NE Mojave Desert, Pahrump Valley, along dirt road NE of Pahrump Dry Lake, 0.95 km SW of NV state line 767 Comment
  UCR279580  Nama demissa A. C. Sanders, Jim Malusa 2017-3-28 43151 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR211030  Nama pusilla A. C. Sanders, A. Howald, Fred M. Roberts, et al 2009-3-25 36597 San Bernardino Mojave Desert, Cady Mountains, 3.5 miles SW of Broadwell Lake, c. 2.5 mi. NE of Sleeping Beauty Mtn. 610 Comment
  RSA463267  Nassella cernua A. C. Sanders 1988-2-3 7603 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  SEINET238934  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2000-5-25 23425 Riverside Menifee Valley: S of Newport Rd. 2 miles due east of railroad Canyon Lake (Romoland 7.5' Q.) 439 Comment
  UCR130904  Navarretia atractyloides A. C. Sanders, Mitch Provance 1999-6-25 22900 San Bernardino San Bernardino Mtns. foothills, Yucaipa, Wilson Creek north of Oak Glen Rd. & south of Fir Ave., between Fremont and Jefferson 930 Comment
  UCR281140  Navarretia peninsularis A. C. Sanders, Mark Bibbo, Morgan King, Huang-Chi Kuo 2017-6-5 43273 San Bernardino San Bernardino Mountains, Holcomb Valley, along SCE powerline north of Holcomb Valley Road (3N16), north of Saragossa Spring 2284 Comment
  UCR184453  Navarretia setiloba A. C. Sanders, Mitch Provance 2007-5-31 34017 Kern Tehachapi Mtns., slopes south of Bear Trap Canyon and east of the paved road from Castac Lake, c. 7 miles NE of Lebec 1098 Comment
  UCR213499  Nemacladus A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-4 38248 San Bernardino Eastern Mojave Desert, Ivanpah Valley, alluvial slopes below Clark Mountain, 2.4 km west of Primm Valley Golf Club, S of metamorphic hill, 4 km W of I-15 887 Comment
  UCR225010  Nemacladus A. C. Sanders, Onkar Singh 2011-5-3 39398 A Inyo NE Mojave Desert, southern Pahrump Valley, WSW of Calvada Springs, west of Aster Way c. 1.1 km south of Old Spanish Trail Hwy, vicinity of Mabel Ln. and Shirley Ln. 802 Comment
  UCR266555  Nemacladus A. C. Sanders, Jim Malusa 2016-1-24 41993 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, beside old Niland to Blythe road on the upper alluvial fan in mouth of canyon below Lion Head Mountain, 17 km NE (63 deg. ) of Niland 314 Comment
  UCR279600  Nemacladus A. C. Sanders, Jim Malusa 2017-3-28 43137 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  CAS-BOT-BC431357  Nemacladus californicus A. C. Sanders; John Wear; Nathan Moorhatch; Tish Bennett 1995-5-31 17214 San Bernardino San Bernardino Mtns. mouth of Cushenbury Canyon, ridges & canyons just S of the Mitsubishi lime plant 1584 Comment
  UCR282171  Nemacladus glanduliferus A. C. Sanders, Amy Litt, Plant Taxonomy Class 2017-4-8 43204 Riverside Sonoran (Colorado) Desert, near Cactus City Compressor Station, off frontage road south of I-10 and west of Chiriaco Summit 416 Comment
  RSA0047554  Nemacladus sigmoideus A. C. Sanders, Teresa B. Salvato 2007-5-16 33838 Kern Tehachapi Mountains: hills c. 0.6 mi. east of Castaic Lake, west of pipeline road. 1220 Comment
  SEINET3417800  Nemacladus sigmoideus Andrew C. Sanders, P. J. MacKay, E. J. Lawlor, D. L. Sanders 2004-6-27 28342 San Bernardino San Bernardino Mtns.; Little Bear Creek, c. 1.5 mi. ENE of Lake Arrowhead, above confluence with Hooks Creek 1470 Comment
  UCR115356  Nemacladus sigmoideus A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-7 16972 San Bernardino San Bernardino Mtns/ So. Mojave Desert, canyon and slopes above Rock Corral, NE foot of the mtns, Bighorn Mtns. area 1220 Comment
  UCR199058  Nemacladus sigmoideus A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-7 16927 San Bernardino Mojave Desert/San Bernardino Mtns, north foot of mtns below the Partin Brothers Mine (Terrace Springs), 4.6 mi. SSW of Old Woman Springs Road, 1.1 mi. below Round Mtn, c. 1.5 mi. above Silver Reef Mine 1235 Comment
  UCR185394  Nemophila parviflora A. C. Sanders, T. B. Salvato 2007-4-25 33547 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  RSA0043169  Nemophila pulchella var. fremontii A. C. Sanders, S. D. Boyd, Scott D. White, G. Helmkamp 1997-3-7 19829 Kern San Emigdio Ranch, Doc Williams Canyon, 2 km above confluence with San Emigdio Canyon. 1037 Comment
  RSA628826  Nicotiana acuminata A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22232 Riverside Morongo Indian Reservation, lower Hathaway Creek Canyon. 838 Comment
  UCR193777  Nicotiana glauca A. C. Sanders, Fred M. Roberts 2008-7-3 35687 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir 285 Comment
  UCR20745  Nicotiana glauca A. C. Sanders, Steve Boyd 1980-5-2 1441 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SD254711  Nicotiana obtusifolia A. C. Sanders, Jim Malusa, et al. 2016-3-4 42056 Imperial Sonoran (Colorado) Desert: Hayden Well on Mammoth Wash, Chocolate Mountains. 284 Comment
  UCR112005  Nicotiana quadrivalvis A. C. Sanders, T. B. Salvato 2000-5-25 23416 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR184085  Nicotiana quadrivalvis A. C. Sanders, Mitch Provance 2007-5-25 33952 Kern Tehachapi Mountains, Pastoria Creek (Bear Trap) Canyon, near where paved road from Castac Lake crosses canyon, c. 6 miles NE of Lebec 945 Comment
  RSA645589  Nitrophila occidentalis A. C. Sanders, E. J. Lott 1993-5-6 13988 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  RSA703432  Notholaena californica A. C. Sanders, O. F. Clarke, P. Mackay, S. White, C. L. Sanders 1994-11-27 15869 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork. 300 Comment
  UCR17591  Notholaena sinuata var. cochisensis A. C. Sanders, O. F. Clarke, J. Latting & CNPS trip 1978-5-28 00816 San Bernardino Eastern Mojave Desert, north side of Clark Mountain in the canyon below Green's Well 1509 Comment
  UCR214378  Notholithocarpus densiflorus A. C. Sanders 2010-6-26 38460 Santa Cruz Coast Range; Santa Cruz Mountains, Trout Gulch north of Aptos, along sides of Trout Gulch Road, between Fern Flat and Red Hawk roads 258 Comment
  CAS-BOT-BC171501  Oenothera californica A. C. Sanders; P. MacKay; G. Helmkamp; A. Knapp 1995-4-23 16670 San Bernardino San Bernardino Mtns./Mojave Desert: N foot of the mountains SE of Lucerne Valley, wash on the alluvial fan just below the mouth of Rattlesnake Cyn. 1143 Comment
  SD167072  Oenothera elata Andrew C. Sanders 2005-10-5 31705 San Diego Blue Sky Ecological Reserve (DFG), east of Rancho Bernardo and north of Poway, along road in lower canyon below turnoff to Lake Poway 182 Comment
  UCR172149  Olea europaea A. C. Sanders 2006-5-11 32267 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  IRVC27307  Olea europaea A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27155 Los Angeles Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon NE end of Santa Susana Mtns. 335 Comment
  UCR214492  Oligomeris linifolia A. C. Sanders, Victor Leighton, Morgan King 2010-3-24 37579 Imperial Sonoran (Colorado) Desert; Salton Trough, Imperial Valley, Red Hill on the SE end of the Salton Sea, near mouth of the Alamo River, c. 5.9 mi. SW (245 deg. ) of Niland -58 Comment
  OBI39249  Olneya tesota A. C. Sanders & K. R. Neisess, K. R. Neisess 1985-4-22 5625 Imperial S of the Cargo Muchacho Mts, ca. 2 mi N of Hwy I-8 on Sidewinder rd 122 Comment
  UC1605755  Olneya tesota A. C. Sanders 1989-5-7 9086 Imperial ca 15 km n Glamis (in wash at Mary Lode Mine); Chocolate Mountains 400 Comment
  CAS-BOT-BC349925  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley: Ramona Expressway at east end of Lake Perris dam 457 Comment
  CDA7542  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24176 Riverside Perris-Aguanga Basin region; Romoland, onramp to Hwy 215 from Hwy 74, just east of 215 Comment
  SD185153  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Gilman Springs Road at Quail Lake Golf Course. 438 Comment
  UCD134653  Oncosiphon piluliferum A. C. Sanders 2004-4-16 27517 San Diego South Coast: Carlsbad, Buena Vista Lagoon Ecological Reserve, upper end on north side, just south of Hwy 78, E of I-5 Freeway. 6 Comment
  UCR241846  Oncosiphon piluliferum A. C. Sanders 2013-4-17 40806 Riverside Peninsular Range; Eastern Foot of Gavilan Hills, Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km NE of Wasson Canyon Rd. intersection 499 Comment
  UCR250210  Oncosiphon piluliferum A. C. Sanders 2014-4-23 41060 Riverside Peninsular Range, Temescal Valley, between Temescal Canyon Rd. and I-15, NW of Bernard St. 373 Comment
  UCR261194  Oncosiphon piluliferum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41716 Riverside Esinore, SE quarter of large vacant lot between Hwy 74 and Enterprise Way, a short distance NE of the drain from Lk. Elsinore to Temescal Canyon, S of the end of Enterprise and W of the end of Pasadena St. 387 Comment
  UCR281028  Opuntia basilaris A. C. Sanders 2006-5-16 32353 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  UCR91310  Opuntia microdasys A. C. Sanders, Sandy Leatherman 1996-4-26 18095 San Bernardino San Bernardino Mtns., Arrowhead Hot Springs at mouth of Waterman Canyon 595 Comment
  UCR183744  Osmorhiza brachypoda A. C. Sanders, T. B. Salvato, Mitch Provance 2007-5-10 33713 Kern Tehachapi Mountains, hills west of Dry Field Canyon, c. 2 miles east of Castac Lake 1280 Comment
  UCR18053  Oxystylis lutea A. C. Sanders 1978-5-6 00264 Inyo Northeastern Mojave Desert, roadside just east of town of Tecopa 427 Comment
  UCR219363  Oxystylis lutea A. C. Sanders 2010-9-22 38629 Inyo Northeastern Mojave Desert, c. 1 mile west of Tecopa on Old Spanish Trail Hwy, 2 miles east of junction with Hwy 127 to Baker 416 Comment
  UCR44206  Oxytheca emarginata A. C. Sanders 1986-6-1 s.n. Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCR51030  Oxytheca luteola A. C. Sanders, E. J. Lawlor 1988-4-3 7737 Los Angeles Mojave Desert, at the northern edge of Lancaster, just NE of the intersection of Ave. 30 and Ave. E. Saline flats (probably an old lake bed) west of Rosamond Dry Lake 701 Comment
  CAS-BOT-BC363262  Packera breweri A. C. Sanders; Petra Wester; T. B. Salvato 2004-5-1 27739 Ventura Western Transverse Range: Cuyama Valley, mouth of Apache Canyon, 0.4 mi. east of Hwy 33 1029 Comment
  HSC78561  Packera multilobata A. C. Sanders 1983-5-22 3827 San Bernardino Canyon trending NE to SW, at the W end of Pinto Mtn., head of Cedar Canyon, Midhills, eastern Mojave Desert 1616 Comment
  UCR130799  Paeonia californica A. C. Sanders, Pam MacKay & G. F. Pratt 1997-1-26 19667 San Bernardino San Gabriel Mtns., San Bernardino National Forest, Lost Lake in lower Lone Pine Canyon, brushy slopes NW of lake, San Andreas rift zone. 854 Comment
  UCR71908  Paeonia californica A. C. Sanders, E. J. Lott 1992-4-8 12180 San Bernardino San Bernardino Mountains, east of Yucaipa, Water Canyon, a tributary of Wildwood Canyon from the north. E-facing hillside below the stables (old Hunt Ranch), west of Water Canyon Rd 1009 Comment
  UCR116817  Palafoxia arida A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23948 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR203933  Palafoxia arida A. C. Sanders, Jim Andre 2009-3-13 36358 San Bernardino Mojave Desert, old volcanic cinder mine site (c. 1955) on south side of Dish Hill, north of National Trails Hwy c. 1 mile NE of East Siberia siding, c. 12 miles west of Amboy via the highway 343 Comment
  CAS-BOT-BC253775  Panicum capillare A. C. Sanders 1998-7-2 22145 Ventura Moorpark: Hills S of Tierra Rejada Valley, along Read road, ca. 0.5 mile E of Moorpark Rd, just W of Highway 23, ca. 1 mile NW of Wood Ranch Reservoir, ca. 2 miles NE of Thousand Oaks 335 Comment
  UCR151881  Panicum capillare A. C. Sanders 1992-8-23 12469 San Bernardino San Bernardino Mtns., Oak Glen, Riley's Farm on E side of Oak Glen Road c. 2 mi above Wildwood Canyon Road 1372 Comment
  SEINET11261327  Panicum miliaceum A. C. Sanders, Fred M. Roberts 2008-7-16 35865 Orange Peninsular Range, Santa Ana Mountains, Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon (El Toro 7.5' Q).; 0 358 Comment
  UCR127172  Panicum miliaceum subsp. miliaceum A. C. Sanders, Mark A. Elvin 2003-6-20 27003 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  RSA643889  Panicum urvilleanum A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16246 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  CDA2141  Parapholis incurva A. C. Sanders 2004-4-16 27481 San Diego South Coast; Carlsbad, Buena Vista Lagoon Ecological Reserve, lower section between the Pacific Coast Highway and the railroad. Comment
  OBI45232  Parietaria hespera A. C. Sanders, B. Pitzer & Steve Morgan 1987-5-14 7083 (546) San Diego W end of Otay Mesa, E of San Ysidro, head of Dillon Cyn 152 Comment
  RSA713415  Parietaria hespera var. hespera A. C. Sanders 2004-6-25 28277 San Diego Peninsular Range: Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along road in upper DFG parcel. 396 Comment
  SBBG120057  Parietaria hespera var. hespera A. C. Sanders 2003-5-22 26823 Los Angeles abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of 210 Fwy (which bisects pit) and N of Santa Fe RR, E of the San Gabriel River channel 171 Comment
  UCR182359  Parietaria judaica A. C. Sanders 2007-2-18 33300 San Diego South Coast, Mission Beach section of San Diego, Yarmouth Ct. between Mission Blvd. and Strand Way 1 Comment
  UCR94799  Parkinsonia aculeata A. C. Sanders 1996-10-2 19585 San Bernardino San Bernardino Valley, Yucaipa, between Av. 'E' & 'F', east from Wilson Creek channel to top of slope 655 Comment
  UCR212665  Parkinsonia florida A. C. Sanders 2010-2-20 37295 Imperial Sonoran (Colorado) Desert; Colorado River Valley, old dry river channel at upper end of Haughtelin Lake (old Colorado R. oxbow), NE of Winterhaven off Cocopah (Blackwell) Rd. 41 Comment
  UCR126242  Paspalum dilatatum A. C. Sanders 2003-3-14 25772 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  RSA714977  Passiflora caerulea A. C. Sanders 2003-5-22 26815 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  SBBG126147  Passiflora caerulea A. C. Sanders with T. B. Salvato 2009-5-21 36900 Los Angeles Whittier Narrows, between San Gabriel River and Rio Hondo, W side of Hwy 19 (Rosemead Blvd) along rd to shooting area, S of Hwy 60 along SCE powerlines 64 Comment
  SD178122  Pectis papposa A. C. Sanders, Mark A. Elvin 2003-10-5 27279 San Bernardino Southern Mojave Desert: along Hwy 62 east of Twentynine Palms, ca. 1 mile east of old Dale. Gentle alluvial slope. 390 Comment
  RSA713318  Pectis papposa A. C. Sanders, P. J. MacKay, Tim C. Thomas 2004-10-17 28891 San Bernardino Ghost Road ca. 1.5 mi. south of Means Dry Lake towards Landers. 823 Comment
  CAS-BOT-BC355880  Pectis papposa var. papposa A. C. Sanders; Mark A. Elvin; Tim Thomas 2007-10-5 34348 San Bernardino Central Mojave Desert: Ord Mountains, south of Tyler Valley, above gas line road extension of Harrod Rd. from south/Ord Mtn. Rd from the north, west slope of hill 4835 1433 Comment
  UCR154026  Pectocarya anisocarpa A. C. Sanders 2005-5-11 30172 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  SEINET2042520 Image available Pectocarya heterocarpa A. C. Sanders 2001-3-20 23833 Riverside (Desert Hot Springs Quad 7.5') Desert Hot Springs, NW corner of intersection of Pierson Blvd and Atlantic Blvd. Between flood control ditch and Pierson, W of high school. T2S R4E S25, (SE 1/4 of SW 1/4) 335 Comment
  UCR210549  Pectocarya heterocarpa A. C. Sanders, Jim Andre, A. Howald 2009-3-30 36711 San Bernardino Mojave Desert, Pisgah, south of the Cady Mountains, around Pisgah electrical substation 633 Comment
  UCR28655  Pectocarya heterocarpa A. C. Sanders 1976-4-30 041 San Bernardino Eastern Mojave Desert, Granite Pass Rd., c. 5 mi due south of Kelso 793 Comment
  SEINET1004364  Pectocarya linearis A. C. Sanders, Mitch Provance 2003-1 25819 San Bernardino San Bernardino Valley: Coltons Dunes, north of Santa Ana Ave and east of Riverside Ave., on the East side of the tank farm, south of Slover Avwe. 274 Comment
  UCR174125  Pectocarya linearis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32632 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UC1605752  Pectocarya linearis subsp. ferocula A. C. Sanders 1989-4-6 9040 San Bernardino 1 mi. n. of Riverside Co. line Guasti area (ca. 200 meters n. of Jurupa Ave., vacant lot in light industrial/commercial area) 289 Comment
  SEINET3084019 Image available Pectocarya penicillata A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7777 Los Angeles Mojave Desert, near Quartz Hill in Lancaster, S of Ave. L at 37th St. West. Comment
  UCR194155  Pectocarya penicillata A. C. Sanders 2008-4-13 34882 Los Angeles Western Mojave Desert, Antelope Valley, Llano, 165th St. East, 0.3 mi. N of Hwy 138, 0.2 mi. S of Ave. 'V 955 Comment
  UCR20742  Pectocarya penicillata A. C. Sanders, Steve Boyd 1980-5-2 1397 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR250313  Pectocarya penicillata A. C. Sanders 2014-4-8 40975 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR91864  Pectocarya penicillata A. C. Sanders, S. Hawkins 1996-4-24 18081 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  UCR203430  Pectocarya platycarpa A. C. Sanders, Jim Andre, Brian A. Elliott, et al 2009-3-6 36246 San Bernardino Mojave Desert, Broadwell Valley, SW of Broadwell Lake on alluvial fan from the Cady Mtns. 405 Comment
  SD124730  Pectocarya recurvata A. C. Sanders, Pitzer, Charlton, and Kniffen 1986-3-3 6122 Riverside Corn Spring, Chuckwalla Mountains. 490 Comment
  SEINET3084040 Image available Pectocarya recurvata Andrew C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15919 Riverside Sonoran (Colorado) Desert; Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  UCR203416  Pectocarya recurvata A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-3 36174 San Bernardino Mojave Desert, Broadwell Valley, east end of Cady Mountains along 4WD road at mouth of canyon below Old Dominion Mine 430 Comment
  UCR91517  Pectocarya recurvata A. C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15919 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  UCR154357  Pectocarya setosa A. C. Sanders 2005-5-5 29908 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road on slopes at NE end of mesa, c. 0.1 mi. above Vasquez Canyon Rd. 610 Comment
  SD233950  Pedicularis densiflora A. C. Sanders, M. Elvin, C. Burrascano, A. Pignoli, A. Thompson, et al. 2003-5-4 26547 San Diego Peninsular Range, San Ysidro Mountains: Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail (Otay Mountain 7.5'Q) 945 Comment
  UCR128570  Pedicularis densiflora A. C. Sanders, M. Elvin, C. Burrascano, A. Pigniolo, A. Thompson, and others 2003-5-4 26547 San Diego Peninsular Range, San Ysidro Mountains, Otay Mountain, ridge c. 2-3 miles east of the peak, around end of jeep trail 945 Comment
  UCR101470  Pellaea andromedifolia A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, T. Ross 1997-4-12 20348 Kern Hills S of San Joaquin Valley, San Emigdio Ranch, confluence of San Emigdio Canyon and Doc Williams Canyon, 2.5 mi. WNW of Eagle Rest Peak 854 Comment
  RSA564808  Pellaea andromedifolia var. andromedifolia A. C. Sanders, O. Clarke, T. Krantz, R. Thorne 1993-4-27 13848 San Bernardino Arrowhead Hot Springs, San Bernardino Mountains. WSW of the old Arrowhead Hot Springs Hotel. W side of the road to the hote 594 Comment
  UCR114696  Pennisetum clandestinum A. C. Sanders, Mitch Provance 1998-7-2 22142 Ventura Moorpark, hills south of Tierra Rejada Valley, along Read Rd. c. 1/2 mile east of Moorpark Rd., just west of Hwy 23, c. 1 mile NW of Wood Ranch Reservoir, c. 2 mi. NE of Thousand Oaks 335 Comment
  CAS-BOT-BC258813  Pennisetum setaceum A. C. Sanders; P. MacKay 1994-10-23 15848 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery and Bonnie Bell 581 Comment
  UCR126232  Pennisetum setaceum A. C. Sanders 2003-3-14 25757 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  UCR205703  Pennisetum setaceum A. C. Sanders, T. B. Salvato 2009-5-20 36863 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines NE of Plaza Dr., SE of Montebello Blvd. and SW of San Gabriel Blvd. 108 Comment
  UCR114176  Penstemon centranthifolius A. C. Sanders, D. Malueg 1998-6-24 22083 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  UCR87656  Penstemon centranthifolius A. C. Sanders 1994-5-29 14581 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UCR31192  Penstemon eatonii A. C. Sanders 1983-6-11 3844 San Bernardino Eastern Mojave Desert, North side of Clark Mountain, lower 'Fir Canyon 1616 Comment
  RSA653497  Penstemon fruticiformis A. C. Sanders, G. F. Pratt, C. Pierce, G. R. Ballmer, R. Mattoni 1997-6-20 20729 Inyo Mojave Desert: China Lake Naval Weapons Center, Argus Range at Mountain Spring in Mountain Spr. Cyn. 1296 Comment
  UCR109783  Penstemon incertus A. C. Sanders, G. F. Pratt, C. Pierce, Pam MacKay, Tim Thomas 1997-10-11 21549 Inyo Mojave Desert, China Lake Naval Weapons Center, Etcharren Valley between Coso and Argus Ranges, just west of Carricut Dry Lake, 2.4 mi. SSE of Junction Ranch at road junction 1732 Comment
  UCR114182  Penstemon spectabilis A. C. Sanders, D. Malueg 1998-6-24 22059 Los Angeles San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  UCR184514  Perideridia pringlei A. C. Sanders, Mitch Provance 2007-6-1 34070 Kern Tehachapi Mtns., hills east of Castac Lake and of the gas line route 1220 Comment
  UCR214428  Perityle emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37477 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR260245  Perityle emoryi A. C. Sanders, Jim Malusa 2015-3-10 41387 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  UCR279157  Perityle emoryi A. C. Sanders, Jim Malusa 2017-3-12 42849 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, large wash north of German Diggins Wash and below Pegleg Well & Pegleg Mine, 0.4 km above confluence with Salvation Wash 390 Comment
  SEINET10389825  Petalonyx thurberi A. C. Sanders, Jim Malusa 2015-9-10 41836 Imperial along Coachella Canal at edge of Chocolate Mountains Aerial Gunnery Range, between siphons 10 & 11 30 Comment
  VVC1560  Petalonyx thurberi A. C. Sanders, PJ MacKay, Tim Thomas 2004-10-17 28928 San Bernardino Southern Mojave Desert, Johnson Valley, wash below Ruby Canyon in the Bighorn Mtns., above Old Woman Springs Rd. 0.1 mi. west of Valley Vista Rd. 921 Comment
  UCR225087  Peteria thompsoniae A. C. Sanders, Onkar Singh 2011-5-3 39395 Inyo NE Mojave Desert, southern Pahrump Valley, WSW of Calvada Springs, west of Aster Way c. 1.1 km south of Old Spanish Trail Hwy, vicinity of Mabel Ln. and Shirley Ln. 802 Comment
  UCR31226  Peucephyllum schottii A. C. Sanders 1983-4-23 3788 San Bernardino Sonoran/Mojave Desert, Whipple Mtns, above and east of Whipple Wash along the powerline road 305 Comment
  VVC261  Phacelia affinis A. C. Sanders 1995-5-31 17226 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Cushenbury Canyon, ridges and canyon just S of the Mitsubishi lime plant 1585 Comment
  UCR116811  Phacelia campanularia A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23941 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR125792  Phacelia campanularia A. C. Sanders, Mark Elvin 2003-4-5 25926 San Bernardino Southern Mojave Desert, UC Burns Pinyon Ridge Reserve, off Skyline Ranch Rd. c. 2 miles (air) ESE of Pioneertown, 1.5 mi. (air) NW of Yucca Valley, between front gate and reserve headquarters at old Burns home 1250 Comment
  UCR260847  Phacelia cicutaria var. hispida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41413 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR135918  Phacelia crenulata var. ambigua A. C. Sanders, Kent Beaman 2004-4-21 27593 San Bernardino Mojave Desert, proposed 160 acre gravel quarry on Kane Wash, c. 0.5 mi. west of Fort Cady Road at a point 2 miles south of I-40, c. 5 miles (air) SE of Newberry Springs, between Troy Lake and the Rodman Mountains, east of the Newberry Mountains 575 Comment
  UCR210913  Phacelia crenulata var. ambigua A. C. Sanders, Fred M. Roberts, Florence Caplow, et al 2009-3-23 36534 San Bernardino East-central Mojave Desert, north foot of Sleeping Beauty Mtn., valley c. 8.5 km west of Broadwell Dry Lake 671 Comment
  UCR279424  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-3-26 43084 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Rock Quarry in sec. 8, north of Frink, along dirt road above Siphon 17 of the Coachella Canal 122 Comment
  UCR128590  Phacelia cryptantha A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12282 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR88487  Phacelia cryptantha A. C. Sanders, P. J. MacKay 1995-6-18 17335 San Bernardino San Bernardino Mtns, Deep Creek near Bacon Flats, upstream of trail crossing 1475 Comment
  UCR183559  Phacelia davidsonii A. C. Sanders, Mitch Provance 2007-5-3 33636 Kern Tehachapi Mountains, NE of upper Oso Canyon, c. 3 miles ESE of Castac Lake, below peak 4908 1402 Comment
  HSC95407  Phacelia distans A. C. Sanders, Mark A. Elvin 2003-4-5 25871 San Bernardino UC Burns Pinyon Ridge Reserve, off Skyline Ranch Rd., 2 air mi. ESE of Pioneertown, 1.5 air mi. NW of Yucca Valley, between front gate and reserve headquarters at old Burns home 1250 Comment
  UCR152640  Phacelia distans A. C. Sanders 2005-4-22 29605 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR153954  Phacelia distans A. C. Sanders 2005-5-11 30194 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  UCR203827  Phacelia distans A. C. Sanders 2009-3-16 36457 San Bernardino Mojave Desert, Cady Mountains, alluvial slope 2 miles west of Broadwell Lake, c. 1 mile SW of Old Dominion Mine 480 Comment
  UCR206134  Phacelia distans A. C. Sanders, T. B. Salvato 2009-5-29 37054 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  UCR97033  Phacelia douglasii A. C. Sanders, Steve Boyd, S. White, G. Helmkamp 1997-3-7 19788 Kern San Emigdio Ranch, divide between Pleitito Creek and San Emigdio Creek Canyon, above large vernal pool 854 Comment
  UCR47277  Phacelia fremontii A. C. Sanders 1987-4-5 7016 San Bernardino Eastern Mojave Desert, Ivanpah Valley, 0.6 mi SE of the powerline crossing on Ivanpah Rd, 4 mi SE of Morningstar Mine Rd. 945 Comment
  UCR26456  Phacelia frigida A. C. Sanders 1981-8-2 2249 Mono Sierra Nevada Mtns., SE of the dam that forms Ellery Lake, north side of the Dana Plateau 3049 Comment
  RSA0116160  Phacelia imbricata A. C. Sanders 2006-5-16 32339 Los Angeles Tehachapi Mtns. Foothills: along the road to the National Cement Plant, c. 1/4 mile north of Hwy 138, south the California Aqueduct. 1012 Comment
  UCR77092  Phacelia lemmonii A. C. Sanders, E. J. Lott 1993-5-31 14149 San Bernardino Eastern Mojave Desert, Granite Cove, Granite Mtns, spring at NW end of cove 1341 Comment
  UCR113171  Phacelia minor A. C. Sanders 1998-3-11 21667 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near east end of hills 518 Comment
  UCR155324  Phacelia minor A. C. Sanders, Mike Misenhelter 2005-3-23 29256 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR87625  Phacelia minor A. C. Sanders 1994-5-30 14601 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR41747  Phacelia minutiflora A. C. Sanders, D. Charlton, B. Pitzer, , J. Kniffen, R. Kniffen, W. W. Wright, Howie Weir, D. E. Bramlet 1986-3-8 6178 Imperial Sonoran (Colorado) Desert, Yuha Desert, c. 5 miles airline south of Plaster City, in fossil oyster beds along a dirt road c. 5 mi south of the Dunaway Road exit off Hwy I-8 61 Comment
  UCR18349  Phacelia neglecta A. C. Sanders, R. Twitchell 1978-4-7 00393 San Bernardino Eastern Colorado Desert, Whipple Mountains, 4 mi due south of the city of Havasu Lake, along utility road 244 Comment
  UCR279121  Phacelia neglecta A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-9 42759 Imperial Sonoran (Colorado) Desert, Mammoth Wash near Hayden's Well, Chocolate Mountains 274 Comment
  RSA0080066  Phacelia parishii A. C. Sanders, Ann Howald, Chloe Scott, Bill Clark, Josh Utter 2011-5-6 39489 Inyo Chicago Valley, on dirt road toward Twelvemile Spring, off Chicago Valley Rd. east of Hwy 178, 10 km NE (63 deg ) of Shoshone. 652 Comment
  UCR191337  Phacelia parryi A. C. Sanders, Fred M. Roberts 2008-4-8 34781 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Loma Ridge, SSE of Santiago Reservoir on Harding Truck Trail at Dripping Springs Loop, above Limestone Canyon 495 Comment
  UCR191343  Phacelia parryi A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34620 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 290 Comment
  UCR17745  Phacelia pediculoides A. C. Sanders 1977-3-27 00401 San Bernardino Eastern Mojave Desert, south of East Cronese Dry Lake, at the Basin Road Exit of Interstate Hwy 15 366 Comment
  UCR127160  Phacelia ramosissima A. C. Sanders, Mark A. Elvin 2003-6-20 27009 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  UCR137571  Phacelia ramosissima A. C. Sanders, P. J. MacKay, Tim Thomas, Mitch Provance, Petra Wester 2004-6-12 28171 San Bernardino San Bernardino Mtns., near Smart Spring on branch road off Smart's Ranch Road (FS 3N03), south of OHV open area 1890 Comment
  RSA599056  Phacelia tanacetifolia A. C. Sanders, Steve Boyd, G. Helmkamp, S. D. White 1997-3-7 19781 Kern San Emigdio Ranch, San Emigdio Creek Canyon, just above the ranch headquarters (1km SE), NW-facing slopes at the mouth of the canyon. 488 Comment
  UCR184345  Phacelia tanacetifolia A. C. Sanders 2007-6-12 34166 Kern Tehachapi Mtns., Geghus Ridge c. 10 miles NE of Lebec, large side canyon above Bear Trap Canyon, SE of the corral near bench mark 4821 1280 Comment
  RSA725752  Phacelia viscida A. C. Sanders, Mark A. Elvin 2003-5-1 26275 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, ca 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch. 396 Comment
  UCR191538  Phalaris minor A. C. Sanders 2008-4-15 34885 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  SD197793  Philadelphus coronarius A. C. Sanders 2005-6-2 30418 San Diego Palomar Mountain; Plaisted Creek Ecological Reserve; northeast of Rincon and Pauma Valley, between Plaisted Creek and Highway 76, southeast lobe of reserve near residences abandoned in 1996. 701 Comment
  UCR206029  Phleum alpinum A. C. Sanders, P. J. MacKay, Tim Thomas 2009-7-31 37126 San Bernardino San Bernardino Mtns., High Meadow Springs, at the head of a canyon on S-facing slope of the ridge west of Dollar Lake Saddle and Mt. San Gorgonio, upper end of meadow 3095 Comment
  UCR36666  Phlox A. C. Sanders, F. C. Vasek 1984-6-6 5095 Ventura N side of Mt. Pinos along the road from Frazier Park, 0.7 mi below Chula Vista Comment
  UCR66995  Phoenix canariensis A. C. Sanders 1990-10-6 10197 Orange Newport Bay, North Star County Beach Area on the SW end of the Bay, c. 2 km inland of Hwy 1. 3 Comment
  UCR135813  Pholistoma auritum A. C. Sanders, Guy Bruyea 2004-4-2 27444 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  CAS-BOT-BC434977  Pholistoma membranaceum A. C. Sanders; Mitch Provance 2007-5-24 33931 Kern Tehachapi Mountains: Pastoria Creek (Bear Trap) Canyon, below Bench Mark (3364 ft.) Tejon K, c. 6 miles NE of Lebec. 1006 Comment
  RSA613892  Pholistoma membranaceum A. C. Sanders 1997-2-8 19683 Riverside Colorado Desert/ San Jacinto Mtns: Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon. 183 Comment
  SD262376  Phoradendron californicum A. C. Sanders, Jim Malusa 2017-1-11 42648 Imperial Sonoran (Colorado) Desert: Chocolate Mountains Aerial Gunnery Range, below Mary Lode Mine along dirt road. 302 Comment
  SEINET269568 Image available Phoradendron californicum A. C. Sanders, P. MacKay 1996-9-28 19575 San Bernardino Northeast San Bernardino Mountains/Mojave Desert: southwest slope of Ruby Mountain 1220 Comment
  UCR281934  Phoradendron californicum A. C. Sanders, Jim Malusa 2017-9-21 43365 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, south of Bradshaw Trail on dirt road toward Surveyors Pass, near Riverside Co. line & Hovley Tank guzzler 677 Comment
  RSA614315  Phoradendron macrophyllum A. C. Sanders, T. Schram, D. Wappler 1994-9-1 15538 San Bernardino Las Flores Ranch area at the N foot of the mtns, from the N bend in Hwy 173 to Grass Valley Creek, via Pacific Crest Trail. 1037 Comment
  UCR125251  Phoradendron macrophyllum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25545 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters 396 Comment
  UCR193791  Phoradendron villosum A. C. Sanders, Fred M. Roberts 2008-7-3 35673 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, off Windy Ridge Rd. below saddle on ridge above the Eastern Transportation Corridor 415 Comment
  UCR82849  Phragmites australis A. C. Sanders, T. Schram, D. Wappler 1994-9-30 15730 San Bernardino San Bernardino Mtns, Lower Deep Creek from the spillway of the Mojave River Forks Dam upstream to the hot spring 1009 Comment
  UCR262467  Phyllanthus A. C. Sanders 2015-6-27 41745 Riverside Peninsular Range, Riverside; former O.F. Clarke residence, 266 Frost Court; east edge of UCR campus Comment
  RSA0093978  Physalis crassifolia A. C. Sanders, Jim Malusa 2015-9-10 41858 Riverside Sonoran (Colorado) Desert. Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range. 480 Comment
  UC2015532  Physalis crassifolia A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15989 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCSB44044  Physalis philadelphica Sanders, A. 1982-6-12 Riverside 422 Campus View Drive Comment
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May 21 2016
  UCR17603  Physaria chambersii A. C. Sanders, O. F. Clarke, J. Latting & CNPS trip 1978-5-28 0243 San Bernardino Eastern Mojave Desert, north side of Clark Mountain, in the canyon below white fir grove 1829 Comment
  UCR279050  Physaria tenella A. C. Sanders, Jim Malusa 2017-3-9 42773 Imperial Sonoran (Colorado) Desert, plateau above slot canyon near head of Mammoth Wash, Chocolate Mountains 506 Comment
  IRVC26417  Pinus monophylla A. C. Sanders, Mark Elvin 2003-4-5 25864 San Bernardino UC Burns Pinyon Ridge Reserve, off Skyline Ranch Rd. ca. 2 miles (air) ESE of Pinoneertown, 1.5 mi. (air) NW of Yucca Valley, between front gate and reserve headquarters at old Burns home. Little San Bernardino Mountains 1250 Comment
  UCR126639  Pinus pinea A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27157 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon 335 Comment
  SD140248  Pinus ponderosa A. C. Sanders, E. J. Lott 1993-10-26 14214 San Bernardino San Bernardino Mountains: Oak Glen Creek Canyon, east of fire road to Pisgah Peak on Webster Ranch, ca. 1 mile south of Oak Glen Road. 1130 Comment
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Jul 26 2007
  UCR114685  Piptatherum miliaceum A. C. Sanders, Mitch Provance 1998-7-2 22141 Ventura Moorpark, hills south of Tierra Rejada Valley, along Read Rd. c. 1/2 mile east of Moorpark Rd., just west of Hwy 23, c. 1 mile NW of Wood Ranch Reservoir, c. 2 mi. NE of Thousand Oaks 335 Comment
  UCR116709  Pityrogramma triangularis A. C. Sanders, Mark Elvin 2001-8-3 24589 San Bernardino Eastern Mojave Desert, Kingston Range, canyon 1 mi. SE of Horse Thief Springs 1463 Comment
  UCR88436  Pityrogramma triangularis A. C. Sanders, K. C. Rose 1995-4-5 16347 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SBBG120130  Plagiobothrys acanthocarpus A. C. Sanders with K. Volansky 2005-3-17 29201 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA0117719  Plagiobothrys arizonicus A. C. Sanders 2007-4-25 33591 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.7 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  SEINET1869735  Plagiobothrys arizonicus A. C. Sanders 2003-1 26091 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, east of the filtrations plant and Lake Hughes Rd., north of Charlie Canyon. 427 Comment
  SEINET3084146 Image available Plagiobothrys arizonicus Andrew C. Sanders, T. R. Van Devender, Steve Boyd, B. Pitzer 1986-4-12 6442 San Bernardino S Mojave Desert/San Bernardino Mtns. Foothills; Mojave River Valley SE of Hesperia, north slopes of a hill along Lake Arrowhead Road, 1.8 miles south of Ranchero Road and near the confluence of the Mojave River and Deep Creek 948 Comment
  SEINET3084152 Image available Plagiobothrys arizonicus A. C. Sanders 1987-4-4 6998 San Bernardino Hart Mine, SW end of Castle Mountains, E Mojave Desert, Castle Peak Quad. 1372 Comment
  UCR187110  Plagiobothrys arizonicus A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32241 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert, western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  UCR215008  Plagiobothrys arizonicus A. C. Sanders, Florence Caplow 2010-5-5 38292 San Bernardino Eastern Mojave Desert, Ivanpah Valley, south of limestone hill emerging from alluvium below Clark Mountain, 10.5 km SW (245 deg. ) of Primm, NV, 5.8 km WNW (104 deg. ) of Primm Valley Golf Club, 7.8 km W of I-15 1037 Comment
  RSA709189  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2005-4-28 29769 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  SBBG120004  Plagiobothrys canescens A. C. Sanders with K. Volansky 2005-3-17 29236 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR97689  Plagiobothrys canescens A. C. Sanders, G. Helmkamp 1997-3-15 19927 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  SEINET272158  Plagiobothrys collinus A. C. Sanders 1997-3-1 19757 Riverside E side of Pigeon Pass Valley ca. .5 mi. NW of Lawless Ranch E of Hidden Springs Rd. intersection with Pigeon Pass Rd. 579 Comment
  UCR132788  Plagiobothrys collinus A. C. Sanders, E. J. Lott 1992-4-8 12189 San Bernardino San Bernardino Mtns., E of Yucaipa, Water Canyon, a tributary of Wildwood Canyon from the north, east facing hillside & alluvial slopes at foot, 0.2 mi south of the stables (old Hunt Ranch), and c. 3/4 mi north of Wildwood Canyon Rd. on the W side of Water Canyon Road 1037 Comment
  UCR96709  Plagiobothrys collinus A. C. Sanders 1997-3-1 19718 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR241926  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2013-3-27 40684 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 433 Comment
  UCR250380  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2014-4-4 40969 Riverside Peninsular Range; Elsinore Trough, Temescal Canyon, south of I-15 Freeway, 750 m SE (143 deg. ) of the Horse Thief Canyon Rd. intersection 396 Comment
  SBBG128891  Plagiobothrys collinus var. fulvescens A. C. Sanders, T. W. Chumley 2013-4-2 40735 Riverside Temescal Cyn at W side of Horsethief Cyn Rd, S of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  VVC840  Plagiobothrys collinus var. fulvescens A. C. Sanders, J. Mac 1994-6-12 14753 San Bernardino San Bernardino Mtns, Cleghorn Ridge, along Forest Service Road 2N47 between F.S. Rd 3N22 and Hwy 138, near Silverwood Lake 1433 Comment
  SD262234  Plagiobothrys hispidulus A. C. Sanders, Mark Bibbo, Morgan King, Huang-Chi Kuo 2017-6-5 43275 San Bernardino San Bernardino Mountains: Holcomb Valley, along SCE powerline north of Holcomb Valley Road (3N16), north of Saragossa Spring. Dried roadside pool. Comment
  SEINET3078297 Image available Plagiobothrys jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37475 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q.) 204 Comment
  SEINET3347422 Image available Plagiobothrys jonesii Andrew C. Sanders 2011-4-14 39130 Inyo NE Mojave Desert; southern Nopah Range at the crest of Emigrant Pass, along north edge of Old Spanish Trail Hwy 875 Comment
  UCR159273  Plagiobothrys jonesii A. C. Sanders, J. Andre , P. J. MacKay, Tim Thomas & CNPS Fld Trip 2005-2-26 29112 San Bernardino Sonoran (Colorado) /Mojave Desert transition, along major wash c. 0.5 mi. north of Hwy 62 at the south tip of the Calumet Mtns., north of the Coxcomb Mtns., between 558 and 668 m hills 500 Comment
  RSA645577  Plagiobothrys leptocladus A. C. Sanders, E. J. Lott 1993-5-6 13965 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F. 701 Comment
  SBBG104067  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St and Devonshire Ave, 3/4 mi NE of the intersection of Florida Ave (Hwy 74) and Warren Rd just S of Tres Cerritos 460 Comment
  SD140151  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside Western edge of Hemet, northeast corner of Myers and Devonshire Streets, just south of Tres Cerritos 459 Comment
  UCR214458  Plagiobothrys leptocladus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale, et al 2010-3-29 37632 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, ephemeral stream c. 0.7 mile ESE (103 deg. ) of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1015 Comment
  UCR34448  Plagiobothrys leptocladus A. C. Sanders 1983-4-16 3724 Los Angeles Antelope Valley, W end of Rosamond Dry Lake, Edwards Air Force Base, E end of Ave. 'C 701 Comment
  CAS-BOT-BC434241  Plagiobothrys nothofulvus A. C. Sanders 2007-4-19 33414 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1098 Comment
  SEINET242057  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato 2001-3-30 23872 Riverside Perris-Aguanga Basin region: Temecula, Long Cnyn W of Del Rey Rd., along bottom of cnyn W of junxn of Ave. Pina Colada 366 Comment
  UCR136274  Plagiobothrys nothofulvus A. C. Sanders 2004-4-20 27561 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  SD232634  Plagiobothrys parishii A. C. Sanders, E. J. Lott 1993-5-5 13902 San Bernardino Southern Mojave Desert: Rabbit Springs, N side of Rabbit Springs Road. 875 Comment
  SD132299  Plagiobothrys tenellus A. C. Sanders, Ken Berg and M. Skinner 1990-4-15 10019 Riverside 2.0 miles northnortheast of Sage, Red Mountain Road, 0.25 mile east of County Road R3. Comment
  UCR20739  Plagiobothrys tenellus A. C. Sanders, Steve Boyd 1980-5-2 1407 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR97668  Plagiobothrys tenellus A. C. Sanders, G. Helmkamp 1997-3-15 19961 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UCR121795  Plantago elongata A. C. Sanders, Carolyn Washburn 2001-4-17 24037 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR155673  Plantago erecta A. C. Sanders, Helen Kennedy 2005-4-15 29535 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side east of the I-5 Fwy, along the trail past the nature center 6 Comment
  UCR158067  Plantago erecta A. C. Sanders 1997-3-12 19846 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR226064  Plantago erecta A. C. Sanders, T. B. Salvato 2011-4-1 38967 Riverside Peninsular Range, Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  RSA749680  Plantago major A. C. Sanders, Fred M. Roberts 2008-7-16 35839 Orange Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin. 391 Comment
  UCR260242  Plantago ovata A. C. Sanders, Jim Malusa 2015-3-8 41346 Imperial Sonoran (Colorado) Desert, Salvation Pass in the Chocolate Mountains, small side canyon south of the main wash, US Navy Chocolate Mountains Aerial Gunnery Range 354 Comment
  UCR31129  Plantago ovata A. C. Sanders 1983-4-23 3757 San Bernardino Sonoran (Colorado) Desert, Whipple Mtns., Whipple Wash where it joins the road to Havasu Landing, c. 0.5 mile below Willow Spring and 1.5 miles above Lake Havasu 168 Comment
  UCR41911  Plantago ovata A. C. Sanders, D. Charlton, B. Pitzer, , J. Kniffen, R. Kniffen, W. W. Wright, Howie Weir, D. E. Bramlet 1986-3-8 6181 Imperial Sonoran (Colorado) Desert, Yuha Desert, c. 5 miles airline south of Plaster City, in fossil oyster beds along a dirt road c. 5 mi south of the Dunaway Road exit off Hwy I-8 61 Comment
  UCR205551  Plantago subnuda A. C. Sanders, T. B. Salvato 2009-5-20 36872 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  RSA781249  Platanus racemosa A. C. Sanders, Dan S. Cooper 2010-3-12 37386 Los Angeles South Coast: Madrona Marsh, Torrance. 24 Comment
  UCD169361  Platanus racemosa A. C. Sanders; Tracy Tennant, J. Ross, Mitch Provance 1998-3-12 21699 San Bernardino Bajada of San Gabriel Mtns., Etiwanda, W side of Etiwanda Creek on north side of Hwy 30 (Highland Ave.). 442 Comment
  UCR112782  Platanus racemosa A. C. Sanders, Tracy Tennant, J. Ross, Mitch Provance 1998-3-12 21699 San Bernardino San Gabriel Mtns., Etiwanda, W side of Etiwanda Creek on north side of Hwy 30 (Highland Ave.) 442 Comment
  RSA0093534  Platystemon californicus A. C. Sanders 2010-4-26 38034 Kern Southern Foothills of Tehachapi Mountains. mouth of Canyon de la Lecheria, north of the end of 290th St. West, head of Pescado Creek. 1253 Comment
  UCR155062  Platystemon californicus A. C. Sanders, Kelly Volansky 2005-3-17 29220 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR213539  Platystemon californicus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37834 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR261174  Plectritis macrocera A. C. Sanders, Mitch Provance 2015-5-12 41669 Kern Tehachapi Mountains, south of Old Town Tehachapi along Water Canyon Rd. between Tehachapi and Tehachapi Mountain Park, above Highline Rd., c. 350 m above Parkview Lane 1454 Comment
  UCR41809  Pleurocoronis pluriseta A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6209 Imperial Sonoran (Colorado) Desert, Coyote Mountains, Fossil Canyon, 3.3 mi north of Imperial Hwy (S-2) at Ocotillo, on Shell Canyon Road 305 Comment
  UCR42928  Pleurocoronis pluriseta A. C. Sanders, B. Pitzer 1986-5-21 6589 San Bernardino Mojave Desert, Newberry Mtns, proposed Santa Fe Railroad Quarry, c. l mi. south of town of Newberry Springs 856 Comment
  UCR48936  Plumbago capensis A. C. Sanders 1987-7-22 7162 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  SD212438  Poa annua Andrew C. Sanders 2005-4-22 29639 San Diego Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center Quad: Encinitas 7.5A Q. Comment
  SEINET3271562 Image available Poa annua A. C. Sanders 2010-1-13 37251 Kings San Joaquin Valley; Plymouth Ave. near 34th Ave., on E side of I-5 south of the Avenal exit 142 Comment
  UCR157384  Poa annua A. C. Sanders, R. T. Hawke, et al. 2005-7-3 31330 San Bernardino San Bernardino Mtns., Cienaga Seca, Blue Sky Meadow Science Camp, S and W sides of the meadow 2470 Comment
  UCR271350  Poa bulbosa A. C. Sanders, Karen Kirtland 2016-5-11 42471 San Bernardino San Bernardino Mountains, near head of Cushenbury Canyon, near closed dump and active transfer station, NE of Holcomb Valley Rd. 2094 Comment
  UCR127311  Poa fendleriana A. C. Sanders, K. D. Jones 2003-6-16 26910 San Bernardino San Bernardino Mtns, North Fork Deep Creek watershed, along pipeline route from Green Valley turnoff from Hwy 18 to Snow Valley Recreation Area 2073 Comment
  UCR24951  Poa pratensis A. C. Sanders 1980-8-23 1766 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR126584  Poa secunda A. C. Sanders 2003-4-17 26071 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  UCR165066  Poa secunda A. C. Sanders, Helen Kennedy 2005-4-13 29470 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  SD212546  Polycarpon tetraphyllum Andrew C. Sanders 2005-6-17 31098 San Diego Boden Canyon Ecological Reserve at E end of San Pasqual Valley, along entrance road from Hwy 78 to Clevenger Canyon Quad: San Pasqual 7.5A Q. 244 Comment
  VVC418  Polygonum amphibium A. C. Sanders 1996-8-25 19473 San Bernardino San Bernardino Mountains, NW shore of Baldwin Lake 2043 Comment
  SD212689  Polygonum aviculare Andrew C. Sanders 2005-5-27 30311 San Diego Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center Quad: Encinitas 7.5A Q. Comment
  UCR48975  Polygonum aviculare A. C. Sanders 1987-9-18 7354 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  IRVC28697  Polygonum aviculare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25480 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  RSA0012158  Polygonum convolvulus A. C. Sanders, John F. Green 2012-7-6 40348 San Bernardino Crestline, on ridge overlooking Lake Gregory, between Lakeview Dr. and Crest Forest Dr., 3.8 acre parcel proposed for construction of municipal water tank, just W of existing tanks 1534 Comment
  UCR94209  Polygonum douglasii A. C. Sanders, P. J. MacKay, Tim Thomas, G. P. Schultz, G. K. Helmkamp 1996-9-8 19530 San Bernardino San Bernardino Mtns, Champion Lodgepole Meadow, below Bluff Lake 2317 Comment
  UCR76882  Polygonum lapathifolium A. C. Sanders, S. D. White 1993-7-31 14192 San Bernardino San Bernardino Mountains, Santa Ana River Canyon just below the confluence with Warm Springs Canyon 671 Comment
  UCR187241  Polypogon interruptus A. C. Sanders 2006-5-16 32330 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  RSA713412  Polypogon monspeliensis A. C. Sanders 2004-6-25 28290 San Diego Peninsular Range: Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; near the pond (reservoir) in middle DFG parcel. 335 Comment
  UCR159277  Polypogon monspeliensis A. C. Sanders, Jennifer Jones 2005-6-22 31161 San Diego South Coast, Buena Vista Lagoon Ecological Reserve (DFG), Carlsbad, north side of lagoon between Carlsbad Blvd. (S-21) and the RR, south of Eaton St. 6 Comment
  UCR161842  Polypogon monspeliensis A. C. Sanders, T. B. Salvato 2005-10-7 31782 San Diego South Coast, Buena Vista Lagoon Ecological Reserve, Oceanside, NW side of lagoon near Audubon Nature Center at Hill St./Carlsbad Blvd. 3 Comment
  SEINET3244163  Polypogon viridis A. C. Sanders, Mark Elvin 2002-1 25224 Riverside NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
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Jul 29 2013
  UCR209167  Populus balsamifera subsp. trichocarpa A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37158 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR193941  Populus fremontii A. C. Sanders 2008-7-10 35720 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA682355  Porophyllum gracile A. C. Sanders 2003-5-3 26317 San Diego Peninsular Range: Otay Mountain, lower Copper Canyon on the south side of the mountain ca. 0.25 km north of the Mexican border. 122 Comment
  SD193343  Portulaca oleracea A. C. Sanders 2005-6-24 31252 San Diego San Dieguito Lagoon Ecological Reserve, west and south edges of reserve south of Palm Lane near San Dieguito Dr. Comment
  UCR110406  Portulaca oleracea A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23175 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR45321  Portulaca oleracea A. C. Sanders 1986-9-12 6929 Stanislaus San Joaquin Valley, 4.5 mi. SSW of Patterson, W end Crow's Landing Rd., c. 1 mi. west of Hwy I-5 92 Comment
  UCR251499  Potentilla glandulosa A. C. Sanders, T. B. Salvato, Charlie Marquardt 2014-5-14 41112 San Bernardino San Bernardino Mtns., Wildlands Conservancy Oak Glen Preserve property, vicinity of Los Rios Rancho, along trail from upper pond to Hidden Hollow, Oak Knoll Park, and headquarters 1485 Comment
  CAS-BOT-BC540016  Potentilla gracilis A. C. Sanders; Mackay; Thomas; Schultz; Helmkamp 1996-9-8 19532 San Bernardino San Bernardino Mountains, Champion Lodgepole Meadow, below Bluff Lake [UTM 10km cell: NH-0E, 8N. Big Bear Lake] 2316 Comment
  UCR130783  Potentilla gracilis A. C. Sanders 1999-6-24 22890 San Bernardino San Bernardino Mtns., Big Bear Valley, south side of Baldwin Lake, Palomino Dr. c. 1/4 mi. north of Shay Rd. at entrance to wastewater treatment facility, proposed expansion area 2049 Comment
  SBBG87946  Prosopis glandulosa var. torreyana A. C. Sanders, Charlton, Pitzer, Wright 1986-3-10 6265 Imperial N foot of Mount Signal, just N of the international boundary, 1.43 mi W of Mt Signal Rd on BLM Rd Y2918 60 Comment
  CAS-BOT-BC216529  Prosopis pubescens A. C. Sanders; et al 1993-5-29 14105 San Bernardino Mojave Desert: Newberry Springs, along National Trails Highway between Mountain View Road and Newberry Road, vicinity of dried springs, ca. 0.3 iles E of Mountain View Road 600 Comment
  UCR49277  Prunus caroliniana A. C. Sanders 1987-10-13 7424 Los Angeles Southern coast, El Segundo Dunes west of Los Angeles International Airport and Peshing Drive 38 Comment
  UCR116376  Prunus dulcis A. C. Sanders 2001-3-14 23736 San Bernardino San Bernardino Valley, Yucaipa, 6th St. 0.4 mi. south of Yucaipa Blvd. 738 Comment
  RSA620254  Prunus fasciculata A. C. Sanders, G. F. Pratt, C. L. Pierce 1997-4-5 20196 San Bernardino Avawatz Mountains, Fort Irwin Military Reservation, east-draining large canyon 2 km south of peak 1876 m (BM Avawatz), c. 5 km SW of Old Mormon Spring. 1402 Comment
  SD193242  Pseudognaphalium biolettii A. C. Sanders 2004-5-7 27788 San Diego Carlsbad, Agua Hedionda Ecological Reserve, near Laguna Riviera Park. 2 Comment
  UCR98065  Pseudognaphalium biolettii A. C. Sanders 1997-3-1 19714 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SD164809  Pseudognaphalium californicum Andrew C. Sanders 2005-6-2 30410 San Diego Palomar Mtn., Plaisted Creek Ecological Reserve, NE of Rincon & Pauma Valley, between Plaisted Cr. and Hwy 76, SE lobe of reserve near residences abandoned in 1996 701 Comment
  UCR250192  Pseudognaphalium leucocephalum A. C. Sanders 2014-4-8 40989 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.6 km SE of I-15 crossing 313 Comment
  SD164807  Pseudognaphalium stramineum Andrew C. Sanders 2005-4-8 29381 San Diego Batiquitos Lagoon Ecological Reserve, just N of Leucadia, north side of the lagoon on east side of the I-5 Fwy Comment
  SD193245  Pseudognaphalium stramineum A. C. Sanders 2004-5-7 27809 San Diego Carlsbad, Agua Hedionda Ecological Reserve, near Laguna Riviera Park, off Park St. 2 Comment
  RSA563880  Psilocarphus brevissimus A. C. Sanders 1993-5-12 13996 Riverside Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Road, between San Diego Aqueduct and Warren. 457 Comment
  SD240898  Psilostrophe cooperi A. C. Sanders, A. Howald 2010-9-22 38619 Inyo Northeastern Mojave Desert: Pahrump Valley, east of the Nopah Range near Calvada Springs, 1 mile north of Old Spanish Trail Hwy on Charleston View Riad (Silver Road) and 0.4 mile east on Ave. D (Calvada Springs 7.5'Q) 796 Comment
  UCR264249  Psilostrophe cooperi A. C. Sanders 2015-9-11 41868 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  UCR31798  Psilostrophe cooperi A. C. Sanders, F. C. Vasek, G. K. Helmkamp 1982-9-9 2944 San Bernardino Eastern Mojave Desert, Old Woman Mtns, 0.1 -0.6 mi north of Colton Wash on the road to Sunflower Spring from Essex 945 Comment
  SBBG87796  Psorothamnus emoryi A. C. Sanders 1986-3-9 6218 Imperial Painted Gorge Rd, 0.7 mi N off Co Rd 80, 4 mi (airline) NE of Ocotillo, S of Coyote Wash; Yuha Desert 76 Comment
  UCR281909  Psorothamnus polydenius A. C. Sanders, Jim Malusa 2017-9-21 43360 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains Aerial Gunnery Range, south of Bradshaw Trail at large wash crossing 689 Comment
  SD167368  Pteridium aquilinum Andrew C. Sanders 2005-10-19 31906 San Diego Palomar Mtn., DFG Plaisted Creek Ecological Reserve, NE of Rincon and Pauma Valley, between Plaisted Creek and Hwy 76, N of area of former residences and S of Plaisted Cr. 793 Comment
  UCR121301  Pterostegia drymarioides A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25010 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UCR41485  Pterostegia drymarioides A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright 1986-3-10 6275 Imperial Peninsular Range/ Sonoran (Colorado) Desert, South side of old highway at Mountain Springs Road exit from Hwy I-8, c. 1/3 mile east of town of Mountain Springs, at head of Myer Creek 673 Comment
  UCR159104  Puccinellia simplex A. C. Sanders, E. J. Lott 1993-5-5 13915 San Bernardino Southern Mojave Desert, Rabbit Springs, north side of Rabbit Springs Road 875 Comment
  CAS-BOT-BC228853  Purshia stansburyana A. C. Sanders; Ann Howald; Chloe Scott; Onkar Singh; Bill Clark; Eve Laeger; Florence Caplow; Josh Utter 2012-4-19 40081 San Bernardino Eastern Mojave Desert: Mesquite Mountains, 1.7 miles east of Winters Pass on Kingston Rd. 1030 Comment
  SD237595  Pyracantha A. C. Sanders, T. B. Salvato 2009-5-19 36841 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines adjacent to Kaiser Hospital north of corner of Paramount Blvd. and N Montebello Blvd. (El Monte 7.5'Q) 103 Comment
  UCR205701  Pyracantha koidzumii A. C. Sanders, T. B. Salvato 2009-5-19 36839 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines adjacent to Kaiser Hospital north of corner of Paramount Blvd. and N Montebello Blvd. 117 Comment
  UCR152464  Pyrus kawakamii A. C. Sanders, Lee Jones 2005-4-8 29328 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA597240  Quercus agrifolia A. C. Sanders, S. Hawkins 1996-4-24 18072 Riverside Morongo Indian Reservation, in Hathaway Canyon near Burro Flats. 915 Comment
  SD173478  Quercus agrifolia Andrew C. Sanders 2004-4-30 27678 San Diego Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons ca. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  UCR158896  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31559 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR162525  Quercus agrifolia var. agrifolia A. C. Sanders, T. B. Salvato 2005-10-14 31886 San Diego Peninsular Range, Boden Canyon Ecological Reserve (DFG), tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along the road between Santa Ysabel Creek and the pond (reservoir) in middle DFG parcel, W & SW foot of Orosco Ridge 335 Comment
  UCR132726  Quercus berberidifolia A. C. Sanders, E. J. Lott, Don Pendleton 1992-6-5 12362 San Bernardino San Bernardino Mtns., east of Yucaipa, Water Canyon, a tributary to Wildwood Canyon from the north. Old Hunt Ranch, c. 0.75 mi north of Wildwood Canyon Road 1067 Comment
  UCR231198  Quercus berberidifolia A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39930 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  RSA661283  Quercus cedrosensis A. C. Sanders, Mark A. Elvin 2000-8-4 23601 San Diego Monardella Gulch', tributary of Cottonwood Creek on W slope of Tecate Peak, above E end Marron Valley and just north of the Mexican border. 488 Comment
  RSA682352  Quercus cedrosensis A. C. Sanders, Cindy Burrascano 2003-5-3 26307 San Diego Peninsular Range: Otay Mountain, lower 'Copper Canyon' on the south side of the mountain ca. 0.25 km north of the Mexican border. 122 Comment
  VVC1209  Quercus chrysolepis A. C. Sanders 1994-6-26 14968 San Bernardino San Bernardino Mtns, S of Silverwood Lake, along Forest Service Road (2N59?) ca. 2 mi E of Cottonwood Station, W of FS Road 2N43 from Cedarpines Park, under powerlines 1150 Comment
  UCR116866  Quercus ilex A. C. Sanders, T. B. Salvato 2001-5-3 24123 Riverside San Bernardino Valley region, Riverside, Watkins Drive east of Blaine St., at Lemona Siding 335 Comment
  UCR155697  Quercus john-tuckeri A. C. Sanders, T. B. Salvato 2005-4-26 29709 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  RSA645542  Quercus palmeri A. C. Sanders, D. Banks 1995-12-7 17933 San Diego Chihuahua Valley: NW end of valley along a dirt road near Adobe Springs, Chihuahua Creek drainage. 1250 Comment
  RSA660499  Quercus palmeri A. C. Sanders 1998-5-14 21848 Riverside Jurupa Mtns.: Rattlesnake Mtn. (hill 1452m), Crestmore, above watertank W of Cedar Ave., above intersection of Andalusia and Malaga Streets. 366 Comment
  UCR111510  Quercus palmeri A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22277 Riverside San Jacinto Mtns., Hwy 74 in Garner Valley (eastern), 2.7 mi. NW of Hwy 371 junction to Anza, Pine Meadow area, 0.8 mi. NW of Devil's Ladder Rd. 1402 Comment
  RSA0117724  Quercus wislizeni A. C. Sanders 2007-4-25 33570 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1128 Comment
  SD144018  Rafinesquia californica A. C. Sanders, P. Mackay, T. Thomas, and O. Clarke 1997-5-4 20643 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of 3740. 1067 Comment
  UCR184702  Ranunculus hebecarpus A. C. Sanders, Mitch Provance 2007-6-1 34050 Kern Tehachapi Mtns., Johnson Canyon above Bear Trap Canyon, c. 7 miles NE of Lebec in vicinity of Calif. Aqueduct tunnel 1067 Comment
  SD186313  Ranunculus testiculatus Andy C. Sanders 2005-5-21 30239 1 San Bernardino San Bernardino Mtns.: Barton Flats Camp Ground, near restrooms 1631 Comment
  UCR214352  Rhamnus californica A. C. Sanders 2010-6-22 38439 Santa Cruz Central Coast, Rio del Mar section of Aptos, vicinity of SW end of Rio del Mar Blvd., c. 6 miles due E of Santa Cruz 30 Comment
  UCR125822  Rhamnus crocea A. C. Sanders, Mitch Provance 2003-4-2 25820 San Bernardino San Bernardino Valley, Colton Dunes, north of Santa Ana Ave and east of Riverside Ave, on the east side of the tank farm, south of Slover Ave. 305 Comment
  UCR165233  Rhamnus crocea A. C. Sanders, Helen Kennedy 2005-4-13 29474 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  RSA0040220  Rhamnus ilicifolia A. C. Sanders 2007-6-27 34250 Kern Tehachapi Mtns.: divide between heads of Dry Field and Oso canyons, c. 2 miles east of Castac Lake and 3.5 miles NE of Gorman, c. 1 mile north of the Los Angeles Co. line near the powerline route. 1250 Comment
  UCR230163  Rhus aromatica A. C. Sanders, Chika Mori 2011-6-15 39688 San Bernardino Eastern Mojave Desert, north side of the Mescal Range above Mountain Pass, 0.7 mi. south of I-15 at Bailey Rd., at end of Cambria Rd. (dirt) at Hardrock Queen Spring 1466 Comment
  IRVC27932  Rhus glauca A. C. Sanders, Mark A. Elvin 2003-10-12 27327 Orange Irvine; UCI Arboretum, UCI campus near intersection of Jamboree Blvd and Campus Dr. Southern Coastal 15 Comment
  SD167318  Rhus integrifolia Andrew C. Sanders 2005-10-7 31805 San Diego San Elijo Lagoon Ecological Reserve, Solana Beach, E of I-5 on south side of lagoon off end of Santa Helena Rd, near powerlines 14 Comment
  CAS-BOT-BC170428  Rhus lancea A. C. Sanders; G. Helmkamp 1996-3-17 17982 Riverside Palm Springs, W side of Palm Canyon Dr. just above (S of ) junction with Hwy 111 - Coachella Valley 140 Comment
  CAS-BOT-BC175222  Rhus lancea A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-28 37005 Los Angeles San Gabriel Valley: San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irinwdale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR117548  Rhus ovata A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23272 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 762 Comment
  RSA748994  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato 2009-5-21 36907 Los Angeles Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines. 64 Comment
  UCR206486  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato 2009-5-21 36907 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  SD186331  Ribes indecorum A. C. Sanders 2003-3-14 25784 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Axusa; east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel (Axusa 7.5'Q) 540 Comment
  UCR190972  Ribes malvaceum var. viridifolium A. C. Sanders, Fred M. Roberts 2008-4-22 35037 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado 396 Comment
  SD234974  Romneya trichocalyx A. C. Sanders, Cindy Burrascano, et al 2003-5-3 26440 San Diego Peninsular Range: Otay Mountain, lower Copper Canyon on the south side of the mountain ca 0.25 km north of the Mexican border. 121 Comment
  UCR260900  Rorippa A. C. Sanders 2009-5-20 36847 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  UCR129415  Rorippa nasturtium-aquaticum A. C. Sanders, Mark Elvin 2002-6-20 25225 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR82180  Rorippa sphaerocarpa A. C. Sanders, P. J. MacKay, C. L. Sanders 1994-8-28 15486 San Bernardino San Bernardino Mtns, SW end of Silverwood Lake, near Cleghorn Day Use Area 1021 Comment
  RSA727259  Rosa A. C. Sanders 2007-6-22 34192 Santa Cruz Central Coast: Santa Cruz, southern edge of San Lorenzo River between Laurel St. and Riverside Ave. 0 Comment
  RSA614689  Rosa californica A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15791 Riverside (N slope): nameless tributary of Azalea Creek, Twin Pines Creek drainage. 1192 Comment
  UCR195111  Rosa californica A. C. Sanders, Tim Thomas 2008-8-1 35943 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCR158063  Rubus A. C. Sanders, Scott D. White 1993-5-21 14095 San Bernardino San Bernardino Mtns., Badger Canyon, 1 mi NE of California State University San Bernardino, in the vicinity of the ruins of an old resort 600 Comment
  UC2015634  Rubus leucodermis A. C. Sanders, E. J. Lawlor, P. J. MacKay, C. L. Sanders, et al. 1995-6-24 17404 San Bernardino San Bernardino Mtns: below Baron Flats, road crossing of Stetson Creek and E to artificial pond at head of the drainage to the N. Comment
  UCR173937  Rumex conglomeratus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33006 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  IRVC27993  Rumex conglomeratus A. C. Sanders 2005-5-13 30217 San Diego Blue Sky Ecological Reserve, E of Rancho Bernardo and N of Poway, along Green Valley Truck Trail, in cyn above turnoff to Lake Poway. Peninsular Ranges; Coastal Foothills 207 Comment
  SD186306  Rumex obtusifolius Andy C. Sanders, M. A. Elvin, A. Parikh, N. Gale, et al. 2003-4-30 26223 Los Angeles Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  IRVC29681  Rumex obtusifolius A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26223 Los Angeles Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch Western San Gabriel Mtns. 351 Comment
  RSA516967  Saccharum ravennae A. C. Sanders 1989-9-19 9493 Imperial Scattered along the banks of the Coachella Canal just below Siphon 10, NE of Niland. 30 Comment
  UCR120265  Salazaria mexicana A. C. Sanders, Pam MacKay, Tim Thomas 1999-8-14 23045 San Bernardino Southern Mojave Desert, Barstow Road, 15 mi. north of Lucerne Valley, 0.8 mi. south of crest of road over Stoddard Ridge, valley at W end of Ord Mountains 1159 Comment
  UCR57148  Salazaria mexicana A. C. Sanders, J. C. Lyman 1989-4-16 9076 San Bernardino Mojave Desert, Surprise Spring, Twentynine Palms Marine Corps Base, Sand Hill Range in SW corner of Base 686 Comment
  RSA709315  Salix A. C. Sanders, Scott D. White 1993-7-1 14173 San Bernardino San Bernardino Mountains: upper Warm Springs Canyon, along Forest Service Rd 1S12, 1.25 mi below the junction with road 1N12. 1098 Comment
  UCR192176  Salix exigua A. C. Sanders 2008-4-17 34927 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  SD193357  Salix gooddingii A. C. Sanders 2004-4-16 27500 San Diego Carlsbad, Buena Vista Lagoon Ecological Reserve, lower section between the Pacific Coast Highway and the RR. 2 Comment
  SD212719  Salix gooddingii Andrew C. Sanders 2005-4-22 29666 San Diego Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center Quad: Encinitas 7.5A Q. Comment
  UCR214597  Salix gooddingii A. C. Sanders, Dan S. Cooper 2010-4-30 38128 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA0047588  Salix laevigata A. C. Sanders 2007-4-13 33399 Kern just east of National Cement Plant at foot of hill 3477, 0.25 mi. N of the Los Angeles Co. line 1037 Comment
  SD186328  Salix laevigata Andrew C. Sanders, Lee Jones 2005-4-8 29352 Los Angeles Palos Verdes Peninsula, old marineland site on Long Point and bluffs toward Pt. Vicente 2 Comment
  UCR130779  Salix laevigata A. C. Sanders, K. D. Jones, D. Malueg, T. Rado 1999-5-18 22764 Kern Tejon Ranch, Grapevine Creek Canyon, section of creek SW of I-5, below Ft. Tejon State Historic Park, 1.25 mi. due south of Grapevine Peak 838 Comment
  UCR174259  Salix laevigata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32676 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road 549 Comment
  UCR192196  Salix laevigata A. C. Sanders 2008-4-18 34981 Los Angeles Transverse Range, upper Cow Spring Canyon, along wash 1072 Comment
  UCR193034  Salix laevigata A. C. Sanders, Mitch Provance 2008-5-20 35425 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago area, Santiago Creek Canyon, c. 3/4 mile below Modjeska Canyon confluence 355 Comment
  RSA750119  Salix lasiolepis A. C. Sanders, Fred M. Roberts 2008-8-7 35985 Orange lower Weir Canyon, at narrow gorge c. 0.6 mi. above mouth of cyn at Irvine Ranch gate. 185 Comment
  SD225105  Salix lasiolepis A. C. Sanders, P. MacKay, S. White & M. Bagley 1996-5-26 18176 San Bernardino San Bernardino Mts.: Jacoby Canyon below (N of) road from N Baldwin Lk to Holcomb Valley. At and above Jacoby Spring 2073 Comment
  SEINET272322  Salix lasiolepis A. C. Sanders, G Helmkamp 1997-3-15 19969 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UCR128252  Salix lasiolepis A. C. Sanders, Kelly Volansky 2003-10-16 27342 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  SD164735  Salsola australis Andrew C. Sanders 2004-10-15 28860 San Diego San Dieguito Lagoon Ecological Reserve (DFG), along Palm Lane (closed/abandoned) east of San Dieguito Dr. 0 Comment
  SEINET5586232  Salsola australis A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-1 37200 Orange Peninsular Range; Santa Ana Mtsn.: Lomas de Santiago, Bee Flat at mouth of Limestone Canyon. 264 Comment
  UCR145078  Salsola australis A. C. Sanders 2004-11-12 29038 San Diego Southern Coast, San Elijo Lagoon, east of Manchester Ave. c. 0.5 mi. SW of Encinitas Blvd. 9 Comment
  UCR114104  Salsola gobicola A. C. Sanders, Mitch Provance 2000-10-1 23709 San Bernardino Southern Mojave Desert, Rabbit Springs near Lucerne Valley 878 Comment
  UCR145098  Salsola gobicola A. C. Sanders, P. J. MacKay, Tim Thomas 2004-10-17 28901 San Bernardino Southern Mojave Desert, SW cove of Spy Mtn., east of Pipes Wash and Landers on a dirt road extension of 'University Blvd' going toward Giant Rock 866 Comment
  RSA0094963  Saltugilia australis A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 s.n. Riverside Lake Skinner area; Lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  UCR281058  Saltugilia splendens subsp. grantii A. C. Sanders, Mark Bibbo, Morgan King, Huang-Chi Kuo 2017-6-7 43298 San Bernardino San Bernardino Mountains, Holcomb Valley Road (3N16), NW of Baldwin Lake, between Jacoby Canyon Rd. and John Bull Trail/Union Flat Rd. 2235 Comment
  SD197813  Salvia apiana A. C. Sanders 2004-6-25 28317 San Diego Boden Canyon; tributary of Santa Ysabel Creek at east end of San Pasqual Valley; along road in upper DFG parcel. 395 Comment
  UCR112309  Salvia apiana A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23449 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR214322  Salvia apiana A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38382 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  RSA628480  Salvia columbariae A. C. Sanders 1994-5-30 14600 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  SD197814  Salvia columbariae A. C. Sanders 2004-6-25 28258 San Diego Boden Canyon; tributary of Santa Ysabel Creek at east end of San Pasqual Valley; along road in upper DFG parcel. 395 Comment
  UCR210966  Salvia columbariae A. C. Sanders, Fred M. Roberts, Florence Caplow, et al 2009-3-23 36520 San Bernardino East-central Mojave Desert, north foot of Sleeping Beauty Mtn., valley c. 8.5 km west of Broadwell Dry Lake 671 Comment
  UCR269601  Salvia columbariae A. C. Sanders, Jim Malusa, Marc A. Baker, Michelle Cloud-Hughes 2016-3-14 42187 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, c. 0.42 km north of Beal Well along old Niland-Blythe Rd. 423 Comment
  IRVC28671  Salvia leucophylla A. C. Sanders, Mark Elvin 2002-6-18 25111 Los Angeles Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 328 Comment
  OBI45311  Salvia leucophylla A. C. Sanders 1987-6-6 7109 San Bernardino San Bernardino mts, West Fork, City crk, below Forest Svc Guard STation, off hwy 330 (T1N,R3W, sec 10) 732 Comment
  UCR126860  Salvia leucophylla A. C. Sanders 2003-4-29 26174 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  RSA614369  Salvia mellifera A. C. Sanders 1997-3-1 19746 Riverside Box Springs Mtns., S end of the range along Gernert Rd. (dirt), in valley draining to Box Spring Cyn. 457 Comment
  RSA713148  Salvia mellifera A. C. Sanders 2005-4-8 29400 San Diego South Coast: Batiquitos Lagoon Ecological Reserve, just N of Leucadia, north side of the lagoon on east side of the I-5 Fwy. 0 Comment
  SD186251  Salvia mellifera A. C. Sanders 2003-3-14 25763 Los Angeles Abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., and south of Foothill Blvd. 159 Comment
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Jun 22 2010
  UCR120920  Salvia mellifera A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24942 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR126235  Salvia mellifera A. C. Sanders 2003-3-14 25763 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  UCR135974  Salvia mellifera A. C. Sanders 2004-4-23 27618 San Diego South Coast, Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons c. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  UCR174264  Salvia mellifera A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32671 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road 549 Comment
  UCR241956  Salvia mellifera A. C. Sanders, John F. Green 2012-3-21 39984 Riverside Peninsular Range; Gavilan Hills, Good Hope area, along powerlines south of the dirt extension of Ethanac Rd. and north of Eugene St., near S end of Richland Ln. 494 Comment
  RSA713226  Salvia mohavensis A. C. Sanders, Mitch Provance, Petra Wester 2004-5-30 27996 San Bernardino Mojave Desert: Lucerne Valley, on powerline road from Pisgah, at northern outlier of Cougar buttes, 8 km NW of Soggy Dry Lake 1000 Comment
  SD232709  Salvia vaseyi A. C. Sanders, K. Rose 1995-4-27 16736 Riverside Coachella Valley: foot of the Little San Bernardino Mtns. Canyon E of Fan Hill just outside Joshua Tree nat. Park. 550 Comment
  UCR86855  Salvia vaseyi A. C. Sanders, K. C. Rose 1995-4-27 16736 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  RSA653575  Sambucus mexicana A. C. Sanders, Mitch Provance 1998-7-2 22157 Ventura Moorpark: hills S of Tierra Rejada Valley, along Read Rd. ca. 1/2 mile E of Moorpark Rd., just W of Hwy 23, ca. 1 mile NW of Wood Ranch Reservoir, ca. 2 mi. NE of Thousand Oaks. 209 Comment
  UCR154445  Sambucus mexicana A. C. Sanders, Mike Misenhelter 2005-6-15 30974 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR193789  Sambucus mexicana A. C. Sanders, Fred M. Roberts 2008-7-3 35691 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir 285 Comment
  OBI40209  Sambucus nigra subsp. caerulea A. C. Sanders 1985-7-25 5945 Los Angeles San Gabariel Mtns, along hwy 2 at Buckhorn flat Campground, ca. 20 mi W of Wrightwood, below Mt. Waterman. Assoc with Abies concolor. 2134 Comment
  UCR28301  Sanicula arguta A. C. Sanders, D. E. Emery, M. Beauchamp 1982-3-19 2409 San Diego Peninsular Range, San Ysidro Mountains, Otay Mtn., lower slopes along the road [Minnewawa Truck Trail] above Pio Pico Park 306 Comment
  UCR132518  Sanicula bipinnatifida A. C. Sanders 1997-4-20 20540 Kern San Emigdio Range, San Emigdio Ranch, along dirt road from San Emigdio Canyon south to Los Lobos Creek 793 Comment
  SD234789 Image available Sanicula crassicaulis A. C. Sanders, M. Elvin, C. Burrascano, A. Pignoli, A. Thompson, er al 2003-5-4 26527 San Diego Peninsular Range: Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail. 945 Comment
  UCR127299  Sanicula crassicaulis A. C. Sanders, Mark A. Elvin 2003-5-13 26622 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  UCR154201  Sanicula crassicaulis A. C. Sanders 2005-6-2 30431 San Diego Peninsular Range, Palomar Mtn., Plaisted Creek Ecological Reserve, NE of Rincon & Pauma Valley, between Plaisted Cr. and Hwy 76, SE lobe of reserve near residences abandoned in 1996 793 Comment
  SBBG92123  Sanicula graveolens A. C. Sanders, J. Lyman 1989-6-8 9107 San Bernardino W of Deep Crk and 2 mi WNW of Green Valley Lake, 0.25 mi SW of Fisherman's Camp 1731 Comment
  UCR249921  Sanicula tuberosa A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36789 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  UCR75455  Sanicula tuberosa A. C. Sanders, E. J. Lott 1993-5-14 14058 San Bernardino San Bernardino Mtns., Pisgah Peak Road, c. 1.5 km above Oak Glen Road, NW foot of Pisgah Peak 1100 Comment
  UCR112480  Sarcostemma cynanchoides A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23328 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR214314  Sarcostemma cynanchoides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38390 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR58347  Sarcostemma cynanchoides A. C. Sanders 1989-9-27 9519 .0 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Salvation Pass in vicinity of well 360 Comment
  UCR159185  Sarcostemma hirtellum A. C. Sanders, J. Andre , P. J. MacKay, Tim Thomas & CNPS Fld Trip 2005-2-26 29104 San Bernardino Sonoran (Colorado) /Mojave Desert transition, along major wash c. 0.5 mi. north of Hwy 62 at the south tip of the Calumet Mtns., north of the Coxcomb Mtns., between 558 and 668 m hills 500 Comment
  UCR229266  Satureja douglasii A. C. Sanders 2011-7-1 39735 Santa Cruz Outer South Coast Range; Santa Cruz Mountains, Buzzard Lagoon Rd. near upper end of Eureka Canyon Rd, 0.1-0.25 mi. from Eureka Cyn. Rd. 595 Comment
  UCR112888  Saxifraga californica A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke, G. Ballmer 1997-4-13 20434 Kern San Joaquin Valley, San Emigdio Ranch, slopes south of San Emigdio Creek, just above confluence with Doc Williams Cyn. 915 Comment
  CAS-BOT-BC218931  Schinus molle A. C. Sanders 1997-5-1 20617 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area, ca. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  UCR228907  Schinus polygamus A. C. Sanders 2011-4-7 39036 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  RSA0094894  Schinus terebinthifolius A. C. Sanders, Jeff Crain 2015-5-20 41740 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill. 363 Comment
  SD133207  Schinus terebinthifolius A. C. Sanders 1990-10-6 10201 Orange Newport Bay, North Star County Beach area on the SW end of the bay, ca. 2 km inland of Hwy 1 Comment
  UCR117111  Schinus terebinthifolius A. C. Sanders, D. Malueg 2001-5-17 24317 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  UCR48968  Schinus terebinthifolius A. C. Sanders 1987-9-18 7362 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  UCR210980  Schismus arabicus A. C. Sanders 2009-4-1 36752 San Bernardino Mojave Desert, northwest side of Broadwell Dry Lake 401 Comment
  UCR215067  Schismus arabicus A. C. Sanders, Florence Caplow 2010-5-5 38316 San Bernardino Eastern Mojave Desert, Ivanpah Valley, limestone hill emerging from alluvium below Clark Mountain, 6.5 km NW (291 deg. ) of Primm Valley Golf Club, 8 km W of I-15 1030 Comment
  UCR235981  Schismus arabicus A. C. Sanders, Ann Howald, Chloe Scott, Bill Clark, Josh Utter 2011-5-6 39500 Inyo NE Mojave Desert, Chicago Valley, on dirt road toward Twelvemile Spring, off Chicago Valley Rd. east of Hwy 178, 8.6 km NE (68 deg. ) of Shoshone 640 Comment
  UCR269844  Schismus arabicus A. C. Sanders, Jim Malusa 2016-3-18 42385 B Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR279148  Schismus arabicus A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-7 42727 Imperial Sonoran (Colorado) Desert, upper Ninemile Wash, near old well (windmill) and trough, Chocolate Mountains 409 Comment
  RSA682577  Schismus barbatus A. C. Sanders, Mark A. Elvin 2003-4-5 25865 San Bernardino Mojave Desert: UC Burns Pinyon Ridge Reserve, off Skyline Ranch Rd. ca. 2 miles (air) ESE of Pioneertown, 1.5 mi. (air) NW of Yucca Valley, between front gate and reserve headquarters at old Burns home 1250 Comment
  SBBG92415  Schismus barbatus A. C. Sanders 1988-2-13 7642 Unknown peninsula W of San Quintin, just S of Pedregal, Baja California Norte 10 Comment
  UCR112614  Schismus barbatus A. C. Sanders, D. Malueg, K. D. Jones 1998-5-12 21768 San Bernardino Mojave Desert, tower #46-5 on powerline at SW corner of Lugo Substation (So. Calif. Edison) near Hesperia 1143 Comment
  UCR152526  Schismus barbatus A. C. Sanders 2005-4-22 29615 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR235002  Schismus barbatus A. C. Sanders, Mihai Costea, T. B. Salvato, Benjamin T. Wilder 2012-5-8 40161 San Bernardino Western San Bernardino Mountains, Cleghorn Road (dirt), 1.9 miles airline ESE (97 deg. ) of Cajon Junction 1220 Comment
  UCR161845  Scirpus maritimus A. C. Sanders, T. B. Salvato 2005-10-7 31785 San Diego South Coast, Buena Vista Lagoon Ecological Reserve, Oceanside, NW side of lagoon near Audubon Nature Center at Hill St./Carlsbad Blvd. 3 Comment
  UCR155632  Scrophularia californica A. C. Sanders 2005-4-29 29825 San Diego Peninsular Range, Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, along road in lower canyon below turnoff to Lake Poway 213 Comment
  UCR193732  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35648 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  SJSU11415  Scutellaria tuberosa D. L. Sanders 1958-5-18 269 San Benito above & S of Bear Gulch Reservoir, Pinnacles National Monument Comment
  UCR90826  Searsia lancea A. C. Sanders, G. K. Helmkamp 1996-3-17 17982 Riverside Sonoran (Colorado) Desert, Coachella Valley; Palm Springs, W side of Palm Canyon Dr. just above (S of) junction with Hwy 111 140 Comment
  IRVC26125  Selaginella bigelovii A. C. Sanders, Mark Elvin 2003-4-5 25931 San Bernardino UC Burns Pinyon Ridge Reserve, off Skyline Ranch Rd. ca. 2 miles (air) ESE of Pinoneertown, 1.5 mi. (air) NW of Yucca Valley, canyons south of road from front gate to old Burns home. Little San Bernardino Mountains 1098 Comment
  UCR121307  Selaginella bigelovii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25016 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UCR28297  Selaginella bigelovii A. C. Sanders, D. E. Emery, M. Beauchamp 1982-3-19 2415 San Diego Peninsular Range, San Ysidro Mountains, Otay Mtn., lower slopes along the road [Minnewawa Truck Trail] above Pio Pico Park 306 Comment
  UCR98062  Selaginella bigelovii A. C. Sanders 1997-3-1 19731 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  UCR139578  Senecio flaccidus var. douglasii A. C. Sanders, Petra Wester 2004-6-11 28144 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR214532  Senecio flaccidus var. monoensis A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-3 38218 San Bernardino Eastern Mojave Desert, Ivanpah Valley, alluvial slopes below Clark Mountain, proposed utility corridor from dirt road (at given coordinates) north to Kern gas pipeline corridor scar 930 Comment
  UCR260235  Senecio mohavensis A. C. Sanders, Jim Malusa 2015-3-8 41341 Imperial Sonoran (Colorado) Desert, Salvation Pass in the Chocolate Mountains, small side canyon south of the main wash, US Navy Chocolate Mountains Aerial Gunnery Range 354 Comment
  UCR31208  Senecio mohavensis A. C. Sanders 1983-4-23 3784 San Bernardino Sonoran/Mojave Desert, Whipple Mtns, above and east of Whipple Wash along the powerline road 305 Comment
  UCR186881  Senecio vulgaris A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32039 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  UCR277804  Senegalia greggii A. C. Sanders, Jim Malusa 2017-1-12 42653 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, south edge of range at north side of Mesquite (New Gold) Mine 252 Comment
  IRVC29258  Setaria verticillata A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25553 Los Angeles north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons Santa Clara River Valley 274 Comment
  UCR49971  Setaria viridis A. C. Sanders 1987-7-5 7131 Stanislaus San Joaquin Valley, c. 5 mi west of Turlock, across the road from 6524 Moffett, south of Keyes Road 27 Comment
  RSA666999  Sidalcea malviflora A. C. Sanders, Steven R. Hill 2001-5-4 24143 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, Carancho Rd. at stream crossing (nameless tributary to De Luz Creek) just west of Camaron Rd., east of Calle Calmar. 396 Comment
  RSA732152  Sidalcea malviflora A. C. Sanders, Fred M. Roberts 2008-4-22 35018 Orange Santa Ana Mtns.: Lomas de Santiago, Limestone Canyon, c. 2 miles SW of Silverado. 1200 Comment
  UCSB31048  Sidalcea malviflora Sanders, R. 1977-1-13 Santa Barbara Rattlesnake Canyon c. 1 mile from Skofield Park Road 213 Comment
  CAS-BOT-BC384482  Silene antirrhina A. C. Sanders; Helen Kennedy 2005-4-13 29420 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR193298  Silene antirrhina A. C. Sanders, Tim Thomas 2008-6-20 35546 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR78391  Silene antirrhina A. C. Sanders, E. J. Lott 1992-6-12 12387 San Bernardino San Bernardino Mtns., Oak Glen Creek Canyon, WNW of Pisgah Peak. north of Birmingham Ranch along dirt access road to Oak Glen Road 1098 Comment
  SBBG104142  Silene gallica A. C. Sanders with O. Clarke, T. Krantz, R. Thorne 1993-4-27 13793 San Bernardino Arrowhead Hot Springs, SE-facing slopes with hot springs, ca. 700 ft WSW of the old Arrowhead Hot Springs Hotel, W side of the rd to the hotel from Old Waterman Cyn Rd 594 Comment
  SD164749  Silene gallica Andrew C. Sanders 2005-4-8 29406 San Diego Batiquitos Lagoon Ecological Reserve, just N of Leucadia, north side of the lagoon on east side of the I-5 Fwy Comment
  UCR174309  Silene gallica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32643 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA699478  Silene laciniata A. C. Sanders, Mark Elvin, Cindy Burrascano, A. Pignoli, A. Thompson 2003-5-4 26512 San Diego Peninsular Range: Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail. 945 Comment
  RSA666622  Silene lemmonii A. C. Sanders 2000-7-9 23571 Madera NE shore of Bass Lake, along the inland highway from Bass Lake (community) to the Falls on North Fork of Willow Creek 1067 Comment
  UCR127929  Silene lemmonii A. C. Sanders, E. J. Lawlor, P. MacKay, C. L. Sanders 1995-6-24 17402 San Bernardino San Bernardino Mtns., Below Barton Flats, road crossing of Stetson Creek and E to artificial pond at head of the drainage to the north 1707 Comment
  SD129276  Silene verecunda A. C. Sanders, J. Lyman 1989-6-8 9110 San Bernardino San Bernardino Mountains, San Bernardino National Forest, mountain slopes west of Deep Creek and 2.0 miles westnorthwest of Green Valley Lake 1769 Comment
  UCR45141  Sisymbrium erysimoides A. C. Sanders 1986-10-28 6965 Riverside City of Riverside, Plantings in front of restaurant at NE corner of Big Springs Road and Watkins Drive, just east of the UCR campus 335 Comment
  UCR155090  Sisymbrium orientale A. C. Sanders 2005-4-29 29778 San Diego Peninsular Ranges; Coastal Foothills Region, Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, east of dirt road to Lake Poway near reserve boundary 213 Comment
  SD212404  Sisyrinchium bellum Andrew C. Sanders 2005-4-22 29632 San Diego Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center Quad: Encinitas 7.5A Q. Comment
  UCR152336  Sisyrinchium bellum A. C. Sanders 2005-3-25 29304 San Diego South Coast, San Elijo Lagoon Ecological Reserve, hills on SE side, east of I-5 and 0.5 mi. west of El Camino Real, north of end of Santa Helena Dr. 30 Comment
  UCR75434  Sisyrinchium bellum A. C. Sanders, E. J. Lott 1993-4-29 13852 San Bernardino San Bernardino Mtns, east side Water Canyon, a tributary of Wildwood Canyon from the north; SW foot of Pisgah Peak. Porter Ranch 1070 Comment
  RSA615056  Sisyrinchium idahoense A. C. Sanders, P. J. MacKay 1994-7-10 15051 San Bernardino San Bernardino Mountains: Wildhorse Creek at and above Forest Service Campsite, 1.5 miles ESE of summit of Sugarloaf Mountain 2400 Comment
  UCR114235  Smilacina stellata A. C. Sanders, G. K. Helmkamp, E. J. Lawlor, C. L. Sanders 1997-7-27 20970 San Bernardino San Bernardino Mtns., SW end of Bluff Lake, Champion Lodgepole Meadow and trail south to roadhead 2341 Comment
  IRVC27303  Solanum americanum A. C. Sanders, Mark Elvin 2003-8-7 27162 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  UCR133996  Solanum americanum A. C. Sanders 1981-1-12 81- 14 Inyo Northern Mojave Desert, Panamint Mountains, Pleasant Canyon, 3.9 miles above Ballarat 976 Comment
  UCR205680  Solanum americanum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36929 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  UCR214644  Solanum americanum A. C. Sanders, Dan S. Cooper 2010-3-12 37380 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR125303  Solanum douglasii A. C. Sanders 2002-11-21 25629 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 457 Comment
  UCR206495  Solanum douglasii A. C. Sanders, T. B. Salvato 2009-5-21 36904 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  UCR154767  Solanum esculentum A. C. Sanders 2005-5-27 30287 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center 30 Comment
  UCR109454  Solanum physalifolium var. nitidibaccatum A. C. Sanders 1999-7-7 22968 San Bernardino San Bernardino Mtns., Big Bear Valley, south side of Baldwin Lake on E side of wastewater treatment facility, N end of Palomino Dr. 2049 Comment
  UCR102850  Solanum umbelliferum A. C. Sanders 1997-4-3 20143 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  SD233989  Solanum xanti A. C. Sanders, Cindy Burrascano, et al 2003-5-3 26316 San Diego Peninsular Range: Otay Mountain, lower Copper Canyon on the south side of the mountain ca. 0.25 km north of the Mexican border. 121 Comment
  UCR269603  Sonchus asper A. C. Sanders, Jim Malusa 2016-3-7 42120 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, c. 3.5 km NE (66 deg. ) of Salvation Pass well site 398 Comment
  SD259330  Sonchus asper subsp. asper A. C. Sanders, Jim Malusa 2016-3-7 42120 Imperial Chocolate Mountains Aerial Gunnery Range, ca. 3.5 km northeast (66a^z) of Salvation Pass well site. Confluesnce of major washes among rolling gravelly hills. 398 Comment
  UCR157214  Sonchus oleraceus A. C. Sanders 2005-6-24 31201 San Diego South Coast, San Dieguito Lagoon Ecological Reserve (DFG), north edge of reserve along Palm Lane (closed/abandoned) east of San Dieguito Dr. near old airport site 2 Comment
  IRVC27898  Sonchus oleraceus A. C. Sanders, Mark A. Elvin 2005-4-22 29650 San Diego Batiquitos Lagoon Ecological Reserve, N side of lagoon, E of I-5 fwy, along trail passt the nature center. Southern Coastal 0 Comment
  UCR212670  Sorghum halepense A. C. Sanders 2010-2-20 37291 Imperial Sonoran (Colorado) Desert; Colorado River Valley, near Haughtelin Lake (old Colorado R. oxbow), NE of Winterhaven between Cocopah (Blackwell) Rd. and lake 39 Comment
  UCR155418  Spergularia A. C. Sanders, T. B. Salvato 2005-6-17 31072 San Diego Peninsular Range, Boden Canyon Ecological Reserve at E end of San Pasqual Valley, lower part of reserve along Santa Ysabel Creek at confluence with Clevenger Canyon 213 Comment
  UCR76174  Spergularia atrosperma A. C. Sanders 1993-4-5 13681 B Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  SD164747  Spergularia marina Andrew C. Sanders 2004-4-16 27485 San Diego Carlsbad, Buena Vista Lagoon Ecological Reserve, lower section between the Pacific Coast Hwy and the RR 2 Comment
  SEINET1908422  Spergularia platensis A. C. Sanders 1993-1 13682 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N Florida Ave. (Hwy 74). 460 Comment
  UCD170125  Spergularia platensis var. platensis A. C. Sanders 1993-4-5 13682 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74. 460 Comment
  UCR83048  Spergularia rubra A. C. Sanders, P. J. MacKay, G. K. Helmkamp, S. D. White 1994-8-21 15357 San Bernardino San Bernardino Mtns, Arrowbear Lake, in community of same name, east of Running Springs 1890 Comment
  UCR137322  Sphaeralcea ambigua A. C. Sanders, P. J. MacKay, Tim Thomas, Mitch Provance, Petra Wester 2004-6-12 28191 San Bernardino San Bernardino Mtns., just east of Arrastre Creek along Smart's Ranch Road (FS 3N03) c. 5 miles SE of Hwy 18 1838 Comment
  UCR192235  Sphaeralcea ambigua A. C. Sanders 2008-4-2 34687 San Bernardino Eastern Mojave Desert, Ivanpah Valley, alluvial slopes along powerline road from Primm to Keaney Pass, 3.6 miles from edge of Primm 878 Comment
  HSC83126  Sphaeralcea coulteri A. C. Sanders, Pitzer, Weir, Charlton, Kniffen, Wright, Bramlett 1986-3-8 6169 Imperial E side of Algodones Dunes, 2.7 mi. NW of Glamis along dirt road parallel to RR, SW of Mesquite Siding 85 Comment
  SEINET3406130 Image available Sphaeralcea emoryi A. C. Sanders, Bill Clark 2010-10-26 38661 Inyo Northeastern Mojave Desert; Pahrump Valley, Calvada Springs, old nursery/peach orchard at corner of Old Spanish Trail Hwy. and Charleston View Rd. (Calvada Springs 7.5' Q.) 795 Comment
  UCR157252  Sphaeralcea rusbyi subsp. eremicola A. C. Sanders, D. Malueg, K. D. Jones, et al. 1998-6-4 21967 San Bernardino Eastern Mojave Desert, Cima Dome, lower south slopes on the SCE powerline route, c. 2-3 mi. SW of Wildcat Butte, east of Rainbow Wells 1311 Comment
  UCR110926  Sporobolus airoides A. C. Sanders, K. C. Rose 1999-6-18 22819 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR235005  Sporobolus airoides A. C. Sanders, John F. Green 2012-5-27 40210 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  SEINET251716 Image available Sporobolus contractus A. C. Sanders 1996-9-22 19570 San Bernardino San Bernadino Mountains; Cushenbury Canyon, at and just below Whiskey Spring. 1585 Comment
  RSA564514  Stachys albens A. C. Sanders, Scott D. White 1993-7-31 14191 San Bernardino San Bernardino Mountains: Santa Ana River Canyon just below the confluence with Warm Springs Canyon. 671 Comment
  UCR139598  Stachys albens A. C. Sanders, P. J. MacKay, E. J. Lawlor, D. L. Sanders 2004-6-27 28326 San Bernardino San Bernardino Mountains, Little Bear Creek, c. 1.5 mi. ENE of Lake Arrowhead, above confluence with Hooks Creek 1470 Comment
  RSA0011991  Stachys bullata A. C. Sanders 2007-6-22 34203 Santa Cruz Santa Cruz, southern edge of San Lorenzo River between Laurel St. and Riverside Ave. 0 Comment
  UCR186418  Stachys bullata A. C. Sanders 2007-6-22 34203 Santa Cruz Central Coast, Santa Cruz, southern edge of San Lorenzo River between Laurel St. and Riverside Ave. 3 Comment
  HSC84277  Stachys rigida A. C. Sanders, B. Pitzer, Steve Morgan 1987-5-14 7062 San Diego W end of Otay Mesa, E of San Ysidro, head of Dillon Canyon 153 Comment
  UCR161405  Stachys rigida var. rigida A. C. Sanders, Mike Misenhelter 2005-9-20 31684 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR159293  Stellaria media A. C. Sanders, T. B. Salvato 2005-6-29 31276 San Diego Peninsular Range, Palomar Mtn., DFG Plaisted Creek Ecological Reserve, NE of Rincon and Pauma Valley, between Plaisted Creek and Hwy 76, SE lobe of reserve in vicinity of residences abandoned in 1996 793 Comment
  CAS-BOT-BC393998  Stellaria nitens A. C. Sanders; P. MacKay; A. Knapp; D. Kaufman; S. Kaufman 1995-4-9 16428 San Bernardino Majave Desert: Stoddard Ridge at pipeline crossing near Traer Agua Canyon, ca. 18 mi. SSE of barstow. 1240 Comment
  UCR113193  Stellaria nitens A. C. Sanders 1998-3-11 21687 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR183880  Stellaria nitens A. C. Sanders 2007-5-23 33888 Kern Tehachapi Mountains, hills c. 0.75 mi. east of Castac Lake, along and east of the gas pipeline route, south of the paved road into Tejon Ranch from Castac Lk. 1220 Comment
  RSA756324  Stephanomeria diegensis A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37198 Orange Lomas de Santiago, Limestone Canyon, west of Limestone Canyon Rd. 366 Comment
  RSA643681  Stephanomeria exigua A. C. Sanders, G. Nuhn 1995-4-20 16588 Riverside Colorado Desert: Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mts., NE of 1000 Palms; 0.6 miles NE of Dillon Rd. 350 Comment
  UCR111969  Stephanomeria exigua A. C. Sanders, T. B. Salvato 2000-5-25 23400 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  VVC1361  Stephanomeria exigua A. C. Sanders, J. Mac 1997-10-11 21552 Inyo Mojave Desert, China Lake Naval Weapons Center, Etcharren Valley between Coso and Argus Ranges, just W of Carricut Dry Lake, 2.4 mi. SSE of Junction Ranch at road junction 1732 Comment
  SEINET10389850  Stephanomeria pauciflora A. C. Sanders, Jim Malusa 2016-1-23 41974 Imperial Chocolate Mountains, canyon north of old Niland to Blythe road, 1 mile west of Beal Well 472 Comment
  UCR83131  Stephanomeria pauciflora A. C. Sanders, G. K. Helmkamp, S. D. White, E. J. Lawlor, C. L. Sanders 1994-9-11 15624 San Bernardino San Bernardino Mountains, Santa Ana River Canyon midway between the upper two powehouses 762 Comment
  UCR154606  Stillingia linearifolia A. C. Sanders, Mike Misenhelter 2005-6-15 31000 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR242661  Stipa A. C. Sanders 2013-7-6 40850 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  SEINET238462  Stipa capensis A. C. Sanders, Mitch Provance; G Waines TB Salvato 2000-4-15 23321 Riverside Coachella Valley: Chino Canyon foothills of the San Jacinto Mtns. along the road to the Palm Springs Tram 1.5 miles a 366 Comment
  SD129194  Stipa latiglumis A. C. Sanders, J. Lyman 1989-6-8 9109 San Bernardino San Bernardino Mountains, San Bernardino National Forest, mountain slopes west of Deep Creek and 2 miles west-northwest of Green Valley Lake, I(c) mile southwest of Fisherman's Camp. Along trail south of Forest Road 2N182. 1768 Comment
  SD173356  Stipa lepida Andrew C. Sanders 2004-4-23 27611 San Diego Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons ca. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  UCR117117  Stipa lepida A. C. Sanders, D. Malueg 2001-5-17 24350 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  UCR191455  Stipa lepida A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34635 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 290 Comment
  UCR213481  Stipa lepida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38359 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR68874  Streptanthella longirostris A. C. Sanders 1991-5-6 10956 San Bernardino Mojave Desert, Twenty-nine Palms Marine Corps Base, SW corner of base, east of the intersection of Border Ave. and Reche Road, vicinity of tortoise study plots 823 Comment
  UCR134626  Stylocline filaginea A. C. Sanders, Petra Wester, T. B. Salvato 2004-5-1 27746 Ventura Western Transverse Range, Cuyama Valley, mouth of Apache Canyon, 0.4 mi. east of Hwy 33 1029 Comment
  UCR183866  Stylocline gnaphaloides A. C. Sanders, T. B. Salvato 2007-5-16 33845 Kern Tehachapi Mountains, hills c. 0.6 mi. east of Castac Lake, west of pipeline road 1220 Comment
  UCR184004  Stylocline gnaphaloides A. C. Sanders, T. B. Salvato, Mitch Provance 2007-5-15 33811 Kern Tehachapi Mountains, steep SW-facing slopes above Crane Canyon, c. 1 mile SE of Castac Lake 1250 Comment
  SBBG104143  Styrax redivivus A. C. Sanders, S. D. White 1993-7-31 14177 San Bernardino upper Warm Springs Cyn, along Forest Service rd 1S12, 1.7 mi below the jct with road 1N12 1005 Comment
  UCR145102  Suaeda moquinii A. C. Sanders, P. J. MacKay, Tim Thomas 2004-10-17 28887 San Bernardino Southern Mojave Desert, Means Lake, Johnson Valley, along road in center of the dry lake 784 Comment
  SEINET10389826  Suaeda nigra A. C. Sanders, Jim Malusa 2015-9-10 41837 Imperial along Coachella Canal at edge of Chocolate Mountains Aerial Gunnery Range, SE of siphon 12 30 Comment
  UCSB57013  Suaeda taxifolia Sanders, A. 1986-2-2 San Diego Chula Vista; abandoned farm at the edge of San Diego Bay; ca. 1/4 mi. N of the end of "E" Street Comment
  OBI45333  Syntrichopappus fremontii A. C. Sanders 1987-1 6987 San Bernardino Hart Mine, SW end of Castle Mts, E Mojave Desert, sec 24 (except where noted), Castle Peak Quad 1372 Comment
  SD125681  Syntrichopappus fremontii A. C. Sanders 4-5 Apr 1987 6987 San Bernardino Hart Mine, southwest end of the Castle Mountains, east Mojave Desert. 1370 Comment
  UCR86272  Syntrichopappus fremontii A. C. Sanders, E. J. Lawlor, C. L. Sanders 1995-4-1 16314 San Bernardino Mojave Desert, 4.5 mi east of Hwy 395 at a point 14.8 mi north of Adelanto (Air Base Rd), near the residence of Patty Moore 823 Comment
  UCR87129  Syntrichopappus fremontii A. C. Sanders, P. Mackay, G. K. Helmkamp 1995-4-28 17132 San Bernardino San Bernardino Mtns, Ord. Mtns area on N slope, 0.5 mi NW of Bowen Ranch, south of Juniper Flats. Comment
  IRVC29260  Tagetes erecta A. C. Sanders 2003-5-26 26851 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel San Gabriel Valley 171 Comment
  UCR161507  Tamarix A. C. Sanders, T. B. Salvato 2005-9-9 31616 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, Leucadia, SW side near I-5 and La Costa Ave. 6 Comment
  CAS-BOT-BC223819  Tamarix ramosissima A. C. Sanders; E. J. Lott 1993-5-5 13929 San Bernardino Southern Mojave Desert: Rabbit Springs, S side of Rabbit Springs Road, along flood control district right-of-way 878 Comment
  UCR154965  Tamarix ramosissima A. C. Sanders 2005-5-27 30303 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center 30 Comment
  UCR164446  Tamarix ramosissima A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26304 San Diego Peninsular Range, San Ysidro Mountains, Otay Mountain, lower 'Copper Canyon' on the south side of the mountain c. 0.25 km north of the Mexican border 183 Comment
  UCR212662  Tamarix ramosissima A. C. Sanders 2010-2-20 37299 Imperial Sonoran (Colorado) Desert; Colorado River Valley, Levee Rd. at Colby Rd., north of Ross Rd., Bard Valley NE of Winterhaven 43 Comment
  UCR72700  Tamarix ramosissima A. C. Sanders, O. F. Clarke 1991-6-10 11137 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  CAS-BOT-BC376790  Tanacetum parthenium A. C. Sanders 1992-8-22 12448 San Bernardino San Bernardino Mountains: Waterman Canyon, 0.6 miles below upper end of Old Waterman Canyon Rd. (at Hwy 18) 914 Comment
  SD129623  Taraxacum erythrospermum A. C. Sanders, J. Lyman 1989-4-19 9047 San Bernardino Horse Meadow on the old road from Barton Flats to Poop-out Hill. Comment
  RSA0099305  Tecomaria capensis A. C. Sanders, Amy Litt 2016-5-7 42469 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of old Emerson house site. 488 Comment
  UCR133123  Tetracoccus hallii A. C. Sanders 1989-9-19 9495 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Ridge Road 762 Comment
  UCR269482  Tetracoccus hallii A. C. Sanders, Jim Malusa 2016-3-7 42112 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, small wash crossing dirt road 3.25 km SW of E.O.D. Camp Burt (off intersection of Dietz Rd. & Skyline Dr.), near NE foot of Blue Mountain 362 Comment
  UCR41538  Tetracoccus hallii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6054 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR86676  Tetradymia spinosa A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16807 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  UCR155671  Thalictrum fendleri var. polycarpum A. C. Sanders 2005-4-29 29799 San Diego Peninsular Range, Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, along road in lower canyon below turnoff to Lake Poway 213 Comment
  UCR234337  Thysanocarpus curvipes A. C. Sanders, John F. Green 2012-3-26 39997 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  RSA0057511  Thysanocarpus curvipes subsp. curvipes Andy C. Sanders 1993-4-11 13740 San Bernardino North foot of the San Bernardino Mountains, Hwy 173, 5.4 miles NE of the junction with Hwy 138 & ca. 1 mile S of the Grass Valley creek crossing. 1000 Comment
  RSA0039212  Thysanocarpus laciniatus A. C. Sanders, OF Clarke, M. Alexander 1993-4-23 13750 San Bernardino Hwy 138 in the Cajon Pass area, 3.2 miles E of I-15 at Cajon Jct., 0.9 miles, W of summit, above a small creek in Upper Crowder Canyon. 1100 Comment
  SD250416  Tidestromia suffruticosa var. oblongifolia A. C. Sanders, Jim Malusa 2015-9-7 41814 Imperial Sonoran (Colorado) Desert: northern edge of Chocolate Mountains Aerial Gunnery Range, Skyline Drive., 3.25 miles west of the wash at the western foot of the Little Mule Mountains (Pegleg Well 7.5'Q) 427 Comment
  RSA672509  Tipuana tipu A. C. Sanders, Chet McGaugh 1991-7-19 11141 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago. 348 Comment
  IRVC26856  Tiquilia plicata A. C. Sanders, P. J. MacKay, Tim Thomas 2004-10-17 28931 San Bernardino Johnson Valley; wash below Ruby Canyon in the Bighorn Mtns.; above Old Woman Springs Road; 0.1 mi. W of Valley Vista Road. Mojave Desert 921 Comment
  RSA516963  Tradescantia fluminensis A. C. Sanders 1989-4-30 9067 Riverside Riverside. Comment
  CAS-BOT-BC438294  Trianthema portulacastrum A. C. Sanders 2004-8-10 28769 Riverside Perris-Aguanga Region: 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) & S of Nuevo Rd., between San Jacinto River and Nuevo. 433 Comment
  IRVC26979  Trianthema portulacastrum A. C. Sanders, Mark A. Elvin 2003-10-5 27259 San Bernardino Twentynine Palms, Oasis of Mara at 29 Palms Inn, near intersection of Cottonwood and Mesquite Rds. Southern Mojave Desert 610 Comment
  UCR101563  Tribulus terrestris A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22230 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  UCR193838  Trichocereus spachianus A. C. Sanders, Fred M. Roberts 2008-7-16 35874 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Creek wash at and above the confluence of Hangmans Tree Canyon 370 Comment
  UCR269485  Trichoptilium incisum A. C. Sanders, Jim Malusa 2016-3-6 42104 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, hills near Mammoth Wash, 1.12 km west (268 deg. ) of Hayden Well, dirt road along alluvial ridge 255 Comment
  UCR86861  Trichoptilium incisum A. C. Sanders, K. C. Rose 1995-4-27 16729 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  SEINET1908706  Trichostema austromontanum subsp. austromontanum A. C. Sanders 2008-1 35901 Riverside Penisular Range; San Jacinto Mtns: east side of May Valley, NE of Bonita Vista Rd at foot of hills, on margin of dried stream 1543 Comment
  UCR193975  Trichostema austromontanum subsp. austromontanum A. C. Sanders 2008-7-25 35904 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1539 Comment
  IRVC28988  Trichostema lanceolatum A. C. Sanders 2003-6-19 26979 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  RSA735546  Trichostema lanceolatum A. C. Sanders, Fred M. Roberts 2008-6-17 35491 Orange Lomas de Santiago, West Loma Ridge Spur Road c. 1 km east of Sheriff s Training Facility and 1.6 km SW of Irvine Lake, between hwys 241 and 261. 357 Comment
  UCR281130  Trichostema micranthum A. C. Sanders, Mark Bibbo, Morgan King, Huang-Chi Kuo 2017-6-5 43277 San Bernardino San Bernardino Mountains, Holcomb Valley, along SCE powerline north of Holcomb Valley Road (3N16), north of Saragossa Spring 2284 Comment
  UCR116906  Trifolium albopurpureum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23967 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR184290  Trifolium ciliolatum A. C. Sanders, Mitch Provance 2007-5-25 33971 Kern Tehachapi Mountains, Pastoria Creek (Bear Trap) Canyon, about 1 mile below where paved road from Castac Lake crosses canyon, c. 6 miles NE of Lebec 1098 Comment
  UCR126370  Trifolium depauperatum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 678 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR126725  Trifolium depauperatum A. C. Sanders, Mark Elvin 2003-4-14 25963 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  RSA717472  Trifolium depauperatum var. truncatum A. C. Sanders, Kelly Volansky 2005-3-17 29206 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  SD197779  Trifolium fragiferum A. C. Sanders, J. R. Ekhoff, Meredith Osborne 2005-7-13 31403 San Diego Peninsular Range: Boden Canyon Ecological Reserve at east end of San Pasqual Valley. 182 Comment
  UCR117553  Trifolium fragiferum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23292 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 595 Comment
  IRVC26264  Trifolium fucatum A. C. Sanders, Mark A. Elvin 2003-5-13 26618 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  HSC95244  Trifolium gracilentum A. C. Sanders, P. J. MacKay, Tim Thomas 2003-5-18 26749 San Bernardino Cleghorn Road, 0.5 mi. NE of Cajon 1006 Comment
  IRVC27971  Trifolium gracilentum A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26129 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  SEINET1869736  Trifolium gracilentum A. C. Sanders, Tricia Wotipka 2003-1 26093 Los Angeles Western San Gabriel Mtns: Castaic Mesa, east of the filtration polant and Lake Hughes Rd., north of Charlie Canyon. 427 Comment
  UCR154207  Trifolium gracilentum A. C. Sanders 2005-6-2 30425 San Diego Peninsular Range, Palomar Mtn., Plaisted Creek Ecological Reserve, NE of Rincon & Pauma Valley, between Plaisted Cr. and Hwy 76, SE lobe of reserve near residences abandoned in 1996 793 Comment
  UCR191331  Trifolium gracilentum A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34614 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 290 Comment
  RSA487827  Trifolium hirtum A. C. Sanders 1988-5-18 7822 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and E of Vista Del Mar Blvd. Comment
  VVC244  Trifolium microcephalum A. C. Sanders, T. Thomas 1997-5-4 20709 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  RSA748254  Trifolium obtusiflorum A. C. Sanders, Mitch Provance 2008-5-20 35397 Orange Lomas de Santiago, mouth of Hangman Tree Canyon just above confluence with Santiago Creek Canyon, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  HSC83134  Trifolium variegatum A. C. Sanders 1980-7-19 1690 Riverside James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove. Along a small stream on the NW slope of the forested large hill (6168) S of the reserve. 1707 Comment
  RSA751424  Trifolium variegatum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35558 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  UCR39461  Trifolium variegatum A. C. Sanders 1980-7-18 1673 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  SD197782  Trifolium willdenovii A. C. Sanders, J. R. Ekhoff, Meredith Osborne 2005-7-13 31406 San Diego Peninsular Range: Boden Canyon Ecological Reserve at east end of San Pasqual Valley. 182 Comment
  UCR101419  Trifolium willdenovii A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, T. Ross 1997-4-12 20341 Kern Hills S of San Joaquin Valley, San Emigdio Ranch, confluence of San Emigdio Canyon and Doc Williams Canyon, 2.5 mi. WNW of Eagle Rest Peak 854 Comment
  UCR109469  Trifolium willdenovii A. C. Sanders, P. J. MacKay 1995-6-18 17352 San Bernardino San Bernardino Mtns, Bacon Flats, along a small stream crossing the Deep Creek road (3N34) 1400 Comment
  UCR155474  Trifolium willdenovii A. C. Sanders 2005-6-2 30350 San Diego Peninsular Range, Palomar Mtn., Plaisted Creek Ecological Reserve, NE of Rincon & Pauma Valley, between Plaisted Cr. and Hwy 76, SE lobe of reserve near residences abandoned in 1996 793 Comment
  UCR184448  Trifolium willdenovii A. C. Sanders, T. B. Salvato 2007-6-7 34101 Kern Tehachapi Mtns., Geghus Ridge c. 8 miles NE of Lebec, ridge tops above Bear Trap Canyon 1402 Comment
  RSA0116161  Trifolium wormskioldii A. C. Sanders 2006-5-16 32324 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake. 991 Comment
  UCR154962  Triodanis biflora A. C. Sanders 2005-3-11 29185 San Diego South Coast, Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons c. 0.75 mi. south of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  UCR158128  Triodanis biflora A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30097 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC522058  Triteleia ixioides subsp. ixioides A. C. Sanders; P. J. MacKay; Tim Thomas; O. F. Clarke; et al 1997-4-12 20383 Kern San Emigdio Ranch, hills around major tributary of Pleitito Creek, ca. 3 km (air) north of Eagle Rest Peak, Hills south of San Joaquin Valley 1143 Comment
  IRVC26987  Triticum aestivum A. C. Sanders, Andy Thompson 2003-4-17 26076 Los Angeles Newhall Ranch, NW of Magic Mountain amusement park, between M.M. and The Old Road, north of M.M. Parkway NE end of Santa Susana Mtns. 351 Comment
  UCR116880  Trixis californica A. C. Sanders, Mark Elvin 2001-5-11 24266 San Bernardino Southcentral Mojave Desert, northern end of Sheep Hole Mountains, large canyon east of microwave tower at summit of Sheep Hole Pass 976 Comment
  SD260192  Trixis californica var. californica A. C. Sanders, Jim Malusa 2016-1-23 41961 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, canyon north of old Niland to Blythe road, 1 mile west of Beal Well. 415 Comment
  SD167323  Typha domingensis A. C. Sanders, T. B. Salvato 2005-9-9 31634 San Diego South Coast: Batiquitos Lagoon Ecological Reserve, Leucadia, southwest side near I-5 and La Costa Ave. at edge of marsh in moist soil (IPB 4/07) 0 Comment
  SD260868  Typha domingensis A. C. Sanders, Fred M. Roberts 2008-9-18 36096 Orange Peninsular Range; Santa Ana Mtns. Foothills: Lomas de Santiago, Santiago Creek Canyon c. 0.5 - 0.8 miles above the highway bridge. Area burned fall '07 and was scoured by flooding 22 May 2008. 299 Comment
  CDA2825  Ulmus pumila A. C. Sanders 2001-3-14 23737 San Bernardino San Bernardino Valley; Yucaipa, 6th St. 0.4 mi. S of Yucaipa Blvd. Comment
  UCR184265  Urtica dioica A. C. Sanders 2007-6-12 34156 Kern Tehachapi Mtns., Geghus Ridge c. 10 miles NE of Lebec, large side canyon above Bear Trap Canyon, SE of the corral near bench mark 4821 1280 Comment
  SD167023  Urtica dioica subsp. holosericea A. C. Sanders, T. B. Salvato 2005-9-9 31632 San Diego South Coast: Batiquitos Lagoon Ecological Reserve, Leucadia, southwest side near I-5 and La Costa Ave. at edge of salt marsh in moist soil (IPB 12/06) 0 Comment
  CAS-BOT-BC404294  Urtica urens A. C. Sanders; G. Helmkamp; P. MacKay 1995-3-12 16072 Riverside Coachella Valley: agricultural area along Ave. 78, 0.4 mi. W of Hwy 86 and 1.5 mi. NW of Oasis, E of Filmore St. -37 Comment
  UCR88148  Urtica urens A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16072 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  UCR36980  Vancouveria chrysantha A. C. Sanders, K. Berg 1983-6-5 4200 Del Norte Six Rivers National Forest: Stony Creek, above the junction with the N fork of Smith River, c. 1 mi north of Gasquet 400 Comment
  UCR193461  Verbascum virgatum A. C. Sanders, T. B. Salvato 2008-5-13 35351 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon at mouth of Hangman Tree Canyon and lower Hangman Tree Cyn, c. 1/2 mile below Modjeska Canyon confluence 366 Comment
  UCR174524  Verbena lasiostachys A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32491 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR206475  Verbena lasiostachys A. C. Sanders, T. B. Salvato 2009-5-19 36836 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  SEINET3079862 Image available Veronica peregrina subsp. xalapensis A. C. Sanders, G. Helmkamp 1996-3-24 18013 San Bernardino Mojave Desert (western); agricultural area along El Mirage Rd., 4.4 mi E of the Los Angeles Co. line 899 Comment
  UCR116974  Veronica peregrina subsp. xalapensis A. C. Sanders, T. B. Salvato 2001-5-3 24099 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR228816  Veronica peregrina subsp. xalapensis A. C. Sanders, T. B. Salvato 2011-4-1 38937 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCSB63553  Veronica peregrina subsp. xalapensis Sanders, A.; Lott, E. 1993-5-6 Los Angeles Western Mojave Desert; SW edge of Rosamond Dry Lake; near E end of Ave C, just W of Piute Ponds and E of Sierra Hwy, at edge of Edwards AFB; T8N R12W S14 701 Comment
  UCR235334  Vicia americana A. C. Sanders, John F. Green 2012-7-6 40335 San Bernardino San Bernardino Mtns., Crestline, on ridge overlooking Lake Gregory, between Lakeview Dr. and Crest Forest Dr., 3.8 acre parcel proposed for construction of municipal water tank, just W of existing tanks 1578 Comment
  CAS-BOT-BC226922  Vicia disperma A. C. Sanders 2011-6-27 39714 Santa Cruz Outer South Coast Range; Santa Cruz Mountains: Eureka Canyon Rd., 8.4 miles above Corralitos 515 Comment
  UCR137545  Vicia sativa A. C. Sanders, Kerry Knudsen 2004-7-2 28423 San Diego Peninsular Range, Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along creek in lower canyon 244 Comment
  UCR191360  Vicia villosa A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34629 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 290 Comment
  UCR112739  Viguiera multiflora A. C. Sanders, P. J. MacKay, Tim Thomas, G. F. Pratt, C. Pierce 1997-10-11 21569 Inyo Northern Mojave Desert, China Lake Naval Weapons Station, Argus Range, Wild Horse Mesa at Little Petroglyph (Renegade) Canyon, east of Volcano Butte 1524 Comment
  UCR36603  Viola cuneata A. C. Sanders, K. Berg 1983-6-5 4224 Del Norte Six Rivers National Forest: between French Hill and French Flat along a Forest Service road, c. 1 air mi south of Gasquet 520 Comment
  SEINET273055 Image available Viola pedunculata A. C. Sanders 1997-4-3 20154 Riverside Lake Skinner area; near N foot of Black Mtn slopes S of Crown Valley. UTM 10km cell: MH-9E 2N. Domenigoni Valley 655 Comment
  UCR125490  Viola pedunculata A. C. Sanders, Mark Elvin 2003-4-14 25969 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  RSA0121770  Vitis girdiana A. C. Sanders, E. J. Lawlor, E. J. Lott, T. Atkinson 1993-5-29 14103 San Bernardino Mojave Desert: Newberry Springs, along National Trails Hwy. between Mountain View Rd. and Newberry Rd., vicinity of dried springs ca. 0.3 mi. E of Mountain View Rd. 600 Comment
  UCR193937  Vitis girdiana A. C. Sanders 2008-7-10 35723 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR210055  Vitis vinifera A. C. Sanders 2009-11-6 37207 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA734015  Vulpia octoflora var. octoflora A. C. Sanders, Linda Farley, Fred M. Roberts, David E. Bramlet 2008-4-1 34608 Orange Peninsular Range; Santa Ana Mtns.: Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir. 366 Comment
  UCR130859  Wyethia angustifolia A. C. Sanders 2000-7-9 23573 Madera Sierra Nevada Mtns., NE shore of Bass Lake, along the lakeshore road from Bass Lake School to near mouth of North Fork Willow Creek 1037 Comment
  UCR132839  Wyethia elata A. C. Sanders 1998-7-31 22172 Madera Sierra Nevada Mtns., south end of Bass Lake near Wishon Point Campground, off Crane Valley Road 1067 Comment
  RSA692070  Xanthium strumarium A. C. Sanders, Mark Elvin 2002-8-28 25599 Los Angeles NE end of Santa Susana Mts.: Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusment park 360 Comment
  SD167196  Xanthium strumarium Andrew C. Sanders 2005-10-12 31840 San Diego Carlsbad, Carlsbad Highlands Ecological Reserve, spring in canyon ca. 0.8 mile south of Cerro de la Calavera 29 Comment
  UCR45316  Xanthium strumarium A. C. Sanders 1986-9-12 6934 Stanislaus San Joaquin Valley, 4.5 mi. SSW of Patterson, W end Crow's Landing Rd., c. 1 mi. west of Hwy I-5 92 Comment
  SD173451  Xylococcus bicolor Andrew C. Sanders 2004-4-23 27610 San Diego Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons ca. 1 mile SE of Cerro de la Calavera, SW of the end of Cannon Rd. 91 Comment
  SBBG80990  Xylorhiza orcuttii A. C. Sanders 1985-3-24 5409 Imperial wash margin, Borrego Badlands along S-22, the Borrego-Salton Seaway, SE end of the Santa Rosa Mts ca. 0.5 mi E of Anza-Borrego St Park boundary 60 Comment
  UCR214542  Xylorhiza tortifolia A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-3 38217 San Bernardino Eastern Mojave Desert, Ivanpah Valley, alluvial slopes below Clark Mountain, proposed utility corridor from dirt road (at given coordinates) north to Kern gas pipeline corridor scar 930 Comment
  UCR270552  Xylorhiza tortifolia A. C. Sanders, Karen Kirtland 2016-4-27 42444 San Bernardino San Bernardino Mtns./Mojave Desert, north side of the mountains, west of Cushenbury, along Powerline Rd. 1.33 km east of Meridian Rd., between mouths of Bousic and Arctic canyons, NE of Specialty Minerals limestone processing plant 1232 Comment
  UCR270555  Xylorhiza tortifolia A. C. Sanders, Karen Kirtland 2016-4-20 42434 San Bernardino San Bernardino Mtns., mouth of Cushenbury Canyon, off Hwy 18 near cement plant, electrical substation, and Camp Rock Rd. junction, north of Cushenbury Springs 1183 Comment
  RSA0047541  Yabea microcarpa A. C. Sanders, Mitch Provance 2007-5-3 33618 Kern Tehachapi Mountains: NE of upper Oso Canyon, c. 3 miles ESE of Castac Lake, below peak 4908. 1341 Comment
  RSA643687  Yabea microcarpa A. C. Sanders, J. C. Lyman 1995-4-17 16571 San Bernardino San Bernardino Valley: Loma Linda Hills, Scott Canyon and the ridge to the north, S end of Bryn Mawr Ave. 426 Comment
  SD144089  Yabea microcarpa A. C. Sanders, P. MacKay, T. Thomas, G. Ballmer. 1997-4-13 20467 Kern San Emigdio Ranch: Salt Creek Canyon at confluence with Black Bob Canyon and up Bl. Bob Cyn. 939 Comment
  UCR109859  Yucca baccata A. C. Sanders 1997-6-30 20834 San Bernardino Eastern Mojave Desert, S foot of Clark Mountain at Mountain Pass, north side of I-15 at Molycorp Mine, along a large wash 1494 Comment
  SD186014  Yucca schidigera A. C. Sanders, Mike Misenhelter 2005-6-15 30997 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd. near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn.640 671 Comment
  RSA615118  Zannichellia palustris A. C. Sanders, S. D. White, C. L. Sanders 1997-10-9 15807 Riverside San Bernardino Mtns, Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 549 Comment
  SEINET8071654 Image available Ziziphus obtusifolia Andrew C. Sanders, Fred M. Roberts, T. B. Salvato 2013-5-1 40814 Imperial Sonoran (Colorado) Desert; Chuckwalla Bench, south of Chuckwalla Mountains, c. 2.4 km SE of Raineys Well 484 Comment
  UC2015545  Ziziphus obtusifolia A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 16001 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR117263  Ziziphus obtusifolia A. C. Sanders, G. F. Pratt, C. Pierce 1997-4-5 20212 San Bernardino Northern Mojave Desert, Avawatz Mountains, Fort Irwin National Training Center, spring in canyon south of peak 4849 ft. 1280 Comment
  SD247493  Ziziphus obtusifolia var. canescens A. C. Sanders, Jim Malusa 2015-9-10 41854 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mile SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing (East of Red Canyon 7.5'Q) 480 Comment



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