Search Results — 2000 specimen records retrieved (1984 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 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
  VVC856  Abronia pogonantha A. C. Sanders, J. Mac 1994-6-12 14791 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
  UCR195998  Abronia umbellata A. C. Sanders 2007-2-23 33312 B San Diego South Coast, along NW side of Mission Bay, along bayside walking path, NW of Crown Point 1 Comment
  UCR42433  Abronia umbellata A. C. Sanders 1986-5-31 6528 Orange Southern Coast, Balboa Island at Newport Beach. Dunes at the back edge of the beach, from 6th St. S to the harbor entrance 1 Comment
  UCR113148  Abronia villosa A. C. Sanders, J. C. Pires 1998-3-13 21728 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
  UCR20827  Abronia villosa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1332 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  SD148114  Abronia villosa var. aurita A. C. Sanders, T. B. Salvato 2001-5-16 24286 Riverside Perris-Aguanga Basin region: South of Hemet, 1/4 mile south of Gibbel Rd. ca. 1.0 mile east of State Street. 518 Comment
  CDA3983  Acacia cyclops A. C. Sanders 1986-7-3 6804 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd., Pacific slope. Comment
  SD178162  Acacia cyclops Andrew C. Sanders, Petra Wester 2004-4-30 27687 San Diego South Coast, Carlsbad, Agua Hedionda Ecological Reserve, along Park Street near Laguna Riviera Park. On roadside near edge of marsh. (IPB 11/07) 2 Comment
  SEINET3282743 Image available Acacia cyclops A. C. Sanders, T. B. Salvato 2009-5-19 36813 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. 110 Comment
  UCR152481  Acacia cyclops A. C. Sanders, Lee Jones 2005-4-8 29367 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR205522  Acacia cyclops A. C. Sanders, T. B. Salvato 2009-5-19 36813 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
  UCR46559  Acacia cyclops A. C. Sanders 1986-7-30 6804 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
  UCR228955  Acacia dealbata A. C. Sanders 2011-6-13 39651 Santa Cruz Central Coast, Aptos, at and below Hwy 1 bridge along Spreckles Dr., Rio Del Mar area, near mouth of Aptos Creek 10 Comment
  UCR42580  Acacia greggii A. C. Sanders, B. Pitzer 1986-5-21 6587 San Bernardino Mojave Desert, Newberry Mtns, proposed Santa Fe Railroad Quarry, c. l mi. south of town of Newberry Springs 856 Comment
  SD212588  Acacia longifolia A. C. Sanders, Kerry Knudsen 2004-10-15 28849 San Diego San Dieguito Lagoon Ecological Reserve near intersection of San Dieguito Dr. and Racetrack View Dr., Del Mar. 0 Comment
  UCR269854  Acamptopappus sphaerocephalus A. C. Sanders, Jim Malusa 2016-3-17 42350 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
  UCR130769  Acer negundo A. C. Sanders, K. D. Jones, D. Malueg, T. Rado 1999-5-18 22750 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
  SD197640  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, est side of San Gabriel Boulevard, southeast of Darlington Street intersection. 60 Comment
  UCR101338  Achillea millefolium A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, T. Ross 1997-4-12 20351 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
  UCR279083  Achyronychia cooperi A. C. Sanders, Jim Malusa 2017-3-10 42788 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, edge of U.S. Navy Aerial Gunnery Range above Ted Kipf Rd., north of Tortuga Siding 88 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
  SBBG120134  Acmispon glaber A. C. Sanders, M. Elvin et al 2003-4-14 25966 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  RSA734663  Acourtia microcephala A. C. Sanders, Fred M. Roberts 2008-6-17 35485 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
  UCD128523  Adenophyllum porophylloides A. C. Sanders; Mark Elvin 2001-5-11 24267 San Bernardino southcentral Mojave Desert, northern end of Sheep Hole Mountains, large canyon east of microwave tower at summit of Sheep Hole Pass. 762 Comment
  UCR136338  Adenostoma fasciculatum A. C. Sanders 2004-4-23 27614 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
  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
  UCR191733  Aesculus californica A. C. Sanders 2008-4-23 35082 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  UCR38242  Agave utahensis A. C. Sanders 1983-6-11 3835 San Bernardino Eastern Mojave Desert, Winters Pass, Mesquite Mts, 40 air mi. NE of Baker 1223 Comment
  RSA756989  Ageratina adenophora A. C. Sanders 2009-4-19 36797 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
  SD186061  Ageratina adenophora A. C. Sanders 2003-3-14 25748 Los Angeles 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. 519 Comment
  UCR21098  Agoseris heterophylla A. C. Sanders, Nancy Smith, K. R. Neisess 1980-6-4 942 Ventura Mt, Pinos region, Lockwood Valley, near the airstrip, near site of Stauffer 1585 Comment
  RSA0050594  Agrostis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35658 Riverside May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UCR193534  Agrostis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35658 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
  UCR136341  Agrostis viridis A. C. Sanders 2004-5-7 27817 San Diego South Coast, Carlsbad, Carlsbad Highlands Ecological Reserve, canyon c. 1 mile SE of Cerro de la Calavera, c. 0.25 mi. SW of the dead end of Cannon Rd. 91 Comment
  UCR114744  Ailanthus altissima A. C. Sanders, K. C. Rose 1999-6-18 22801 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  CAS-BOT-BC500426  Allionia incarnata A. C. Sanders; Jim Malusa 2015-3-11 41393 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Rd at jct with rd to Observation Point Slats, US Navy Chocolate Mts Aerial Gunnery Range 723 Comment
  RSA643670  Allium fimbriatum A. C. Sanders 1995-4-13 16487 Riverside San Bernardino Mountains/ Colorado Desert: Devil s Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. & dirt extension, 1.7 mile above Sierra Blv. 701 Comment
  UCR20866  Allium lacunosum var. davisiae A. C. Sanders, T. P. Krantz 1980-5-31 01548 San Bernardino San Bernardino Mtns., North shore of Baldwin Lake above the highway 2073 Comment
  UCR86901  Allium lacunosum var. davisiae A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-28 17127 San Bernardino San Bernardino Mtns, Ord Mtns area on north slope, 0.5 mi. NW of Bowen Ranch, south of Juniper Flats 1400 Comment
  UCR123387  Allium marvinii A. C. Sanders, R. E. Riefner 2001-4-20 24065 San Bernardino San Bernardino Mtns, E side Water Canyon, a tributary of Wildwood Canyon from the north; SW foot of Pisgah Peak. Porter Ranch 1067 Comment
  UCR88501  Allium parryi A. C. Sanders, P. J. MacKay, et al. 1995-6-18 17354 San Bernardino San Bernardino Mtns, Along Willow Creek Jeep Trail (FSR 3N34), at Stove Flats, 0.1 mi NE of the junction with road 2N29Y 1425 Comment
  UCR104085  Allophyllum divaricatum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20633 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
  UCR44452  Allophyllum divaricatum A. C. Sanders, B. Pitzer 1986-4-30 6486 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  RSA750455  Alnus rhombifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37074 Los Angeles Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  SEINET269300  Alnus rhombifolia A. C. Sanders 1996-9-22 19555 San Bernardino San Bernardino Mtns.: Grass Valley Creek above the Pacific Crest Trail crossing. 1037 Comment
  UCR20916  Alopecurus aequalis A. C. Sanders 1978-7-5 863 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  OBI43812  Amaranthus blitoides A. C. Sanders 1986-9-12 6928 Stanislaus San Joaquin Valley, W end of Crow's Landing Rd, ca 1 mi W of hwy i-5 and 4.5 SSW of Patterson. S1/2 of sec 24 91 Comment
  UCR127390  Amaranthus blitoides A. C. Sanders, Mark Elvin 2002-8-7 25558 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  UCR83148  Amaranthus deflexus A. C. Sanders, E. Lawlor & D. Dozier 1994-5-28 14544 San Bernardino San Bernardino Valley, Highland 450 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
  RSA747395  Amaranthus hybridus A. C. Sanders 2009-5-20 36873 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. 66 Comment
  SD236158  Amaranthus powellii A. C. Sanders 1999-9-26 23104 Riverside Peninsular Range; San Jacinto Mtns.: Garner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley 1448 Comment
  SEINET959638  Amaranthus powellii A. C. Sanders 1999-1 23104 Riverside Peninsular Range; San Jacinto Mtns.: Graner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley (Butterfly Peak 7.5) 1448 Comment
  UCR174337  Amaranthus powellii A. C. Sanders 1999-9-26 23104 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley 1448 Comment
  UCR152487  Amblyopappus pusillus A. C. Sanders, Lee Jones 2005-4-8 29361 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA518250  Ambrosia acanthicarpa A. C. Sanders 1987-12-4 7569 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport & Pershing Dr. 30 Comment
  UCR206168  Ambrosia confertiflora A. C. Sanders, T. B. Salvato 2009-5-29 37040 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
  UCR219391  Ambrosia dumosa A. C. Sanders, A. Howald 2010-9-21 38594 Inyo Northeastern Mojave Desert, Pahrump Valley, east of the Nopah Range at Calvada Springs, bladed dirt section line road (Topaz St.) c. 50 m south of State Line Rd. 799 Comment
  RSA749681  Ambrosia psilostachya A. C. Sanders, Fred M. Roberts 2008-7-16 35850 Orange Lomas de Santiago, Limestone Canyon 325 Comment
  UCR103737  Ambrosia psilostachya A. C. Sanders 1997-11-20 21618 Riverside Lake Skinner Reserve area, mouth of Rawson Canyon, just NE of Lake Skinner. 457 Comment
  UCR137277  Ambrosia psilostachya A. C. Sanders, Kerry Knudsen 2004-7-2 28451 San Diego Peninsular Range, Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; around pond in middle DFG parcel 320 Comment
  UCR93670  Amorpha californica A. C. Sanders, Bramlet, Jacobsmyer & Spilman 1996-8-17 19438 San Bernardino San Bernardino Mtns., N slope of mountains, north of Green Valley Lake, 3.7 mi. north of Green Valley Lake Road on Forest Service Road 3N16 at Crab Creek. 1799 Comment
  RSA0089613  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SD186122  Amsinckia intermedia A. C. Sanders, Mitch Provance 2003-4-2 25823 San Bernardino Colton Dunes, north of Santa Ana Ave. and east of Riverside Ave. 274 Comment
  UCR125413  Amsinckia intermedia A. C. Sanders, Mark Elvin 2003-3-5 25735 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR192461  Amsinckia intermedia A. C. Sanders, Fred M. Roberts 2008-3-25 34529 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  RSA0089935  Amsinckia menziesii A. C. Sanders 2004-5-12 27859 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 378 Comment
  UCR137037  Amsinckia menziesii A. C. Sanders 2004-5-5 27778 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR37711  Amsinckia menziesii A. C. Sanders 1985-3-18 5404 Riverside Riverside; UCR campus. Field between Lothian Dorm and Watkins Drive 335 Comment
  UCR125925  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin 2002-6-19 25178 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  HSC82821  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton 1986-3-1 6015 Riverside Chuckwalla Valley, 1 mi. W of Hayfield Lake, 2 mi. SW of the pumping station on small cutoff road from Hayfield Rd. to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA553895  Amsinckia tessellata A. C. Sanders 1991-5-6 10966 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  UCR126651  Amsinckia tessellata A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26120 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
  UCR174466  Amsinckia tessellata A. C. Sanders 2006-4-11 32048 Los Angeles Western Mojave Desert, Antelope Valley, NE of Palmdale, 90th St. East in vicinity of Ave. 'O 793 Comment
  UCR214062  Amsinckia tessellata A. C. Sanders 2010-4-14 37891 Kern Southern Foothills of Tehachapi Mountains, west end of Antelope Valley at north end of 300th St. West, just outside Tejon Ranch gate in wash below Bronco Canyon 968 Comment
  RSA0091235  Amsinckia tessellata var. gloriosa A. C. Sanders, Steve Boyd, S. White, G. Helmkamp 1997-3-7 19783 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
  UCR187113  Amsinckia tessellata var. gloriosa A. C. Sanders 2006-4-10 31978 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  UCR193548  Amsinckia vernicosa A. C. Sanders 2008-5-4 35195 San Benito Inner Coast Range, New Idria Road 17.8 miles above (south of) Panoche Rd., 2.8 miles below New Idria Mine site 519 Comment
  SD197898  Anagallis arvensis A. C. Sanders, J. R. Ekhoff and Meredith Osborne 2005-7-13 31410 San Diego Boden Canyon Ecological Reserve at east end of San Pasqual Valley, lower part of reserve along Santa Ysabel Creek from Clevenger Canyon confluence downsgtream to 600 ft. level at section line. 182 Comment
  UCR152642  Anagallis arvensis A. C. Sanders, Helen Kennedy 2005-4-15 29522 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
  UCR214216  Androsace elongata subsp. acuta A. C. Sanders 2010-4-6 37751 Kern Southern Foothills of Tehachapi Mountains, Little Sycamore Canyon, 0.65 km NE (33 deg. ) of VABM 'Cow' on rounded ridge between east and west forks of canyon 1009 Comment
  UCR203426  Androstephium breviflorum A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-4 36221 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
  CAS-BOT-BC226955  Anemopsis californica A. C. Sanders; John F. Green 2012-5-27 40213 Riverside Peninsular Range; Perris-Aguanga Basin Region: eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  RSA653488  Annona cherimola A. C. Sanders, Mitch Provance 1998-7-2 22089 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
  UCR159856  Antennaria rosea A. C. Sanders, R. T. Hawke, et al. 2005-7-3 31335 San Bernardino San Bernardino Mtns., Cienaga Seca, Blue Sky Meadow Science Camp, S and W sides of the meadow 2470 Comment
  RSA660484  Anthemis cotula A. C. Sanders 1998-5-21 21869 Riverside Hemet: alkaline flats west of town, along Stetson Ave. W of Warren Rd. 457 Comment
  UCR155004  Anthemis cotula A. C. Sanders, T. B. Salvato 2005-6-17 31016 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
  RSA713418  Antirrhinum coulterianum A. C. Sanders 2004-6-25 28259 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
  UC2015560  Antirrhinum coulterianum A. C. Sanders with E. J. Lawlor, P. MacKay, C. Sanders, et al. 1995-6-24 17359 San Bernardino San Bernardino Mtns: Barton Flat area, Hathaway Flat along Glass Road, near Barton Creek. Comment
  UCR116925  Antirrhinum coulterianum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24220 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR137213  Antirrhinum coulterianum A. C. Sanders 2004-6-25 28259 San Diego Peninsular Range, Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along road in upper DFG parcel 488 Comment
  UCR20793  Antirrhinum coulterianum A. C. Sanders, Steve Boyd 1980-5-2 1411 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR41591  Antirrhinum filipes A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6077 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR174602  Antirrhinum kelloggii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32621 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  RSA628404  Antirrhinum multiflorum A. C. Sanders, P. J. MacKay, G. Helmkamp 1994-8-21 15339 San Bernardino San Bernardino Mountains: F.S.Road 1N09 (City Creek Truck Trail) in canyon of Little Mill Creek. 976 Comment
  UCR119363  Antirrhinum nuttallianum A. C. Sanders 1997-3-19 20050 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  SD197915  Antirrhinum nuttallianum subsp. nuttallianum A. C. Sanders 2005-6-24 31211 San Diego San Dieguito Lagoon Ecological Reserve, north edge of reserve along Palm Lane, east of San Dieguito Dr. near old airport site. Comment
  SD239692  Aphanisma blitoides A. C. Sanders 2010-5-7 38337 Los Angeles South Coast: Palos Verdes Peninsula near Los Angeles city boundary (San Pedro 7.5'Q) 29 Comment
  RSA0119034  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2007-4-24 33490 Los Angeles Tehachapi Mountains: hills above head of Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant. 1128 Comment
  RSA564252  Apiastrum angustifolium A. C. Sanders, E. J. Lott 1993-4-29 13855 San Bernardino San Bernardino Mountains: East side of Water Canyon, a tributary of Wildwood Canyon from the north, SW foot of Pisgah Peak. Porter Ranch. 1067 Comment
  RSA726023  Apiastrum angustifolium A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26123 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. 488 Comment
  UCR153562  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2005-4-26 29726 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
  UCR155424  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2005-6-17 31066 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
  UCR241838  Apiastrum angustifolium A. C. Sanders, Timothy W. Chumley 2013-4-2 40737 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR28653  Apiastrum angustifolium A. C. Sanders 1976-5-6 058 San Diego Peninsular Range, SE side of El Cajon Mtn, above El Capitan Reservoir, along the truck trail 915 Comment
  UCR155017  Apium graveolens A. C. Sanders 2005-5-27 30327 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
  SD167321  Aptenia cordifolia Andrew C. Sanders 2005-10-14 31869 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
  UCR172003  Arabidopsis thaliana A. C. Sanders 2006-5-1 32248 Riverside Riverside, south side of UCR campus behind botany greenhouses 366 Comment
  UCR127707  Arabis A. C. Sanders, S. White & L. Lubinsky 1996-9-1 19514 San Bernardino San Bernardino Mtns., Pacific Crest Trail from Mission Springs to Onyx Summit 2500 Comment
  SEINET1908447  Arabis glabra A. C. Sanders, Mitch Provance 2008-1 35821 Riverside Peninsular Range; San Jacinto Mtns,: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trials, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station. 1450 Comment
  RSA643666  Arabis shockleyi A. C. Sanders, P. Mackay, A. Meyer 1995-6-11 17299 San Bernardino San Bernardino Mtns: N of Baldwin Lk., Forest Serv. Rd 3N03 (Smart's Ranch Rd), 2.45 mi. SE of Hwy 18, 0.8 mi. W of Smart's Ranch. 1828 Comment
  SD144091  Aralia californica A. C. Sanders, S. White 1994-8-25 15432 San Bernardino San Bernardino Mountains: unnamced tributary of Plunge Creek at and above F.S. road 1N09 (City Cr. Truck Trail), S slope of Mount R 1355 Comment
  UCR130342  Araujia sericifera A. C. Sanders, Mark A. Elvin 2003-10-12 27319 Orange Southern Coastal Slope, Irvine, UCI Arboretum, UCI campus near intersection of Jamboree Blvd. and Campus Dr. 15 Comment
  UCR230168  Arctostaphylos andersonii A. C. Sanders 2011-7-4 39782 Santa Cruz Outer South Coast Range; Santa Cruz Mountains, China Grade Rd. north of Hwy 236, east edge of road, opposite Big Basin St. Park and near San Mateo Co. line, along 0.1 mi. section of road, 7.1 miles NW (320 deg. ) of Boulder Creek 671 Comment
  UCR269229  Arctostaphylos glandulosa A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42002 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 just below (c. 0.2 km north of) turnoff to Poppet Flats 1276 Comment
  RSA667364  Arctostaphylos rainbowensis A. C. Sanders, Kent Beaman 2002-5-10 25056 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  CDA10104  Arctotheca prostrata A. C. Sanders 2003-5-1 26289 Los Angeles San Gabriel Valley; Irwindale, near boundary of Azusa, south side of Montoya St. just east of Irwindale Ave., south of I-210 Comment
  UCR155076  Arenaria douglasii A. C. Sanders 2005-3-11 29168 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
  UCR20599  Arenaria macradenia A. C. Sanders 1978-5-6 00268 San Bernardino Northeastern Mojave Desert, Kingston Range; 0.8 mi east of Horse Thief Springs on the Excelsior Mine Rd. 1325 Comment
  SEINET10389773  Argemone munita A. C. Sanders, Jim Malusa 2015-3-6 41291 Imperial Chocolate Mountains, middle part of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 401 Comment
  SD233660  Aristida adscensionis A. C. Sanders, C. Burrascano 2003-5-3 26464 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
  UCR215037  Aristida adscensionis A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-4 38278 San Bernardino Eastern Mojave Desert, Ivanpah Valley, western foot of metamorphic hill emerging from alluvium below Clark Mountain, 3.5 km NW (120 deg. ) of Primm Valley Golf Club, 5.3 km W of I-15 912 Comment
  UCR260219  Aristida adscensionis A. C. Sanders, Jim Malusa 2015-3-10 41379 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  RSA667300  Artemisia bigelovii A. C. Sanders, Pam J. MacKay, Tim C. Thomas, et al. 2000-9-2 23628 San Bernardino Eastern side of Striped Mountain, west side of road from Kokoweef Caverns, vicinity of Standard Mine No. 1. 1585 Comment
  SBBG87340  Artemisia californica A. C. Sanders 1987-11-28 7426 San Bernardino Glen Helen Sheriff's Training Facility, lower Lytle Crk Wash between Verdemont Ranch and Glen Helen Rehabilitation Facility 518 Comment
  SEINET2044492 Image available Artemisia californica A. C. Sanders, M. Jacobsmyer, C. Sanders 1995-2-5 15907 Riverside San Bernardino Mountains; Whitewater Canyon, between Bonnie Bell and the fish hatchery: T2S, R3E, SW/4, S 26 &SE/4sec.27 549 Comment
  IRVC27954  Artemisia douglasiana A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27145 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  SD233728  Artemisia douglasiana A. C. Sanders, Kelly Volansky 2003-10-16 27350 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 Comment
  SD193267  Arthrocnemum subterminale A. C. Sanders 2005-6-24 31236 San Diego San Dieguito Lagoon Ecological Reserve, north edge of reserve along Palm Lane. 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
  UCR41839  Asclepias albicans A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6060 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  RSA628202  Asclepias californica A. C. Sanders, S. White, Pam MacKay 1994-6-3 14638 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  SBBG87638  Asclepias californica A. C. Sanders, B. Pitzer 1986-4-30 6488 Riverside head of Bee Cyn along Bee Cyn Rd, 1.7 mi above the mouth of the cyn at the San Jacinto River valley 792 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
  UCR118760  Asclepias cordifolia A. C. Sanders 2000-7-8 23544 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
  RSA653562  Asclepias fascicularis A. C. Sanders, Mitch Provance 1998-7-2 22152 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
  UCR187177  Asclepias fascicularis A. C. Sanders 2007-9-22 34332 Kern Inner South Coast Range, Polonio Pass on Hwy 46 just east of San Luis Obispo Co. line 396 Comment
  UCR205640  Asclepias fascicularis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37004 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR94813  Asclepias fascicularis A. C. Sanders 1996-10-2 19607 San Bernardino San Bernardino Valley, Yucaipa, between Av. 'E' & 'F', east from Wilson Creek channel to top of slope 655 Comment
  SEINET10389806  Asclepias subulata A. C. Sanders, Jim Malusa 2015-3-8 41353 Imperial mouth of Salvation Pass in the Chocolate Mountains, western foot of the range, US Navy Chocolate Mountains Aerial Gunnery Range 283 Comment
  UCR213421  Asparagus densiflorus A. C. Sanders, Dan S. Cooper 2010-3-12 37322 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR116584  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin, Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte 381 Comment
  UCR110442  Aster frondosus A. C. Sanders, Pam MacKay, Tim Thomas 1999-10-9 23156 San Bernardino San Bernardino Mtns., north shore of Big Bear Lake, just west of the observatory, c. 1 mile SE of Fawnskin 2058 Comment
  OBI33576  Astragalus cimae var. cimae A. C. Sanders 1983-5-22 3825 San Bernardino Canyon trending NE to Sw at thewest end of Pinto Mtn, head of Cedar Cyn, Midhills, Eastern Mojave Desert Comment
  UCR116420  Astragalus coccineus A. C. Sanders 1974-1 00308 Riverside Santa Rosa Mtns., south of Hwy 74 near Pinyon Flats, along the Cactus Spring Trail between the dolomite mine and Horsethief Creek 1220 Comment
  RSA714887  Astragalus didymocarpus A. C. Sanders, Mark A. Elvin 2003-4-14 25970 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
  RSA496675  Astragalus didymocarpus var. didymocarpus A. C. Sanders, E. J. Lawlor 1988-4-3 7757 Los Angeles SW end Tehachapi Mountains, l mile NW of Gorman on gasline road, 0.4 mile above old highway. 1280 Comment
  UCR281081  Astragalus douglasii A. C. Sanders, Mark Bibbo, Morgan King, Stephanie Hines 2017-5-23 43225 San Bernardino San Bernardino Mountains, Holcomb Valley, along SCE powerline 2.4 km airline northwest of site of Belleville, east of the intersection of FS roads 3N10 and 3N23 2279 Comment
  UCR86795  Astragalus douglasii A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16790 San Bernardino Eastern San Bernardino Mtns./Mojave Desert, Morongo Valley, Little Morongo Canyon, stream crossing 1.75 miles north of Hwy 62 1000 Comment
  UCR214304  Astragalus gambelianus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38400 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
  UCR228835  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2011-4-27 39334 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
  RSA781247  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37394 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
  UCR101412  Astragalus lentiginosus A. C. Sanders, G. F. Pratt & C. L. Pierce 1997-4-6 20281 San Bernardino Northern Mojave Desert, Avawatz Mountains, Fort Irwin Military Reservation, large east-draining canyon 2 km SE of peak 1876 m (BM 'Avawatz'), c. 4 km SW of Old Mormon Spring 1524 Comment
  RSA0012232  Astragalus lentiginosus var. fremontii A. C. Sanders, A. Howald, Onkar Singh, Chloe Scott, Eve Laeger, Russell Kokx, Bill Clark 2010-10-27 38678 Inyo Pahrump Valley, south of Calvada Springs on east side of Rose Ave. along a bladed dirt road, 0.75 mi. S of Moon Path Lane 799 Comment
  UCR219971  Astragalus lentiginosus var. fremontii A. C. Sanders, A. Howald, Onkar Singh, Chloe Scott, Eve Laeger, Russell Kokx, Bill Clark 2010-10-26 38649 Inyo Northeastern Mojave Desert, Pahrump Valley, north of Calvada Springs and Old Spanish Trail Hwy, west of Charleston View Rd. (Silver St.) between Ave. D and Ave. E 793 Comment
  UCR96716  Astragalus lentiginosus var. nigricalycis A. C. Sanders, Steve Boyd, S. White, G. Helmkamp 1997-3-7 19797 Kern San Emigdio Ranch, divide between Pleitito Creek and San Emigdio Creek Canyon, above large vernal pool 854 Comment
  HSC83121  Astragalus magdalenae var. peirsonii A. C. Sanders, et al. 1986-3-8 6166 Imperial Algodones Dunes, N side of Hwy. 78, 4 mi. W of Glamis and 9.6 mi. E of the Highline Canal. 122 Comment
  UCR18322  Astragalus nuttallianus var. imperfectus A. C. Sanders, R. Twitchell 1978-4-7 00322 San Bernardino Sonoran (Northeastern Colorado) Desert, Whipple Mtns, c. 5.0 - 5.5 mi NW of Whipple Wash, on utility road that runs from E side of mtns to NW side, Copper Canyon watershed 300 Comment
  CAS-BOT-BC226917  Astragalus nyensis A. C. Sanders; Ann Howald 2011-4-19 39194 Inyo NE Mojave Desert: Pahrump Valley near Calvada Springs, Ave. D at Topaz (Gold) St., 1 mile north of Old Spanish Trail Hwy, 0.35 mi. west of NV state line 805 Comment
  CAS-BOT-BC250945  Astragalus nyensis A. C. Sanders; Ann Howald; Onkar Singh; Brian A. Elliot; Eve Laeger; Chloe Scott; Bill Clark; et al 2011-4-20 39235 Inyo NE Mojave Desert: southern Pahrump Valley, E-W dirt road at S edge of Calvada Springs rd grid, 3 km SW of NV st. line, 6.7 km SE (136 deg. ) of Old Spanish Trail Hwy & Rose Ave. intersection in Calvada Sprs 817 Comment
  RSA628527  Astragalus oxyphysus A. C. Sanders, K. G. Jones, D. Malueg, T. Rado 1999-5-19 22767 Kern dirt road along So. Calif. Gas Co. line from Hwy 33 near BM 2785 (San Andreas Rift Zone) to Klipstein Cyn., Rd. (Cienaga Cyn.) near old Klipstein Ranch 823 Comment
  UCR170292  Astragalus pomonensis A. C. Sanders, L. Lubinsky, E. J. Lawlor, D. L. Sanders 2006-3-26 31943 San Bernardino San Bernardino Valley Region, upper Scott Canyon above canyon bend at powerlines, Loma Linda Hills, south of end of Bryn Mawr Ave., c. 0.6 mi. north of Riverside Co. line 518 Comment
  RSA790660  Astragalus preussii A. C. Sanders, Chloe Scott, Bill Clark, Florence Caplow 2012-4-18 40059 San Bernardino Two Hawk Ranch near edge of center pivot irrigated alfalfa field, Palm St. east of Two Hawk Ranch Rd., 4.65 mi SW of Sandy Valley, NV. 791 Comment
  SBBG133767  Astragalus preussii var. preussii A. C. Sanders, R. Kokx, O. Singh 2010-10-27 38668 Inyo ca. 4.7 km NW (303 deg ) of Calvada Springs, SW of intersection of Opal St and Ave C, ca. 4.5 km SE of dry lake; Pahrump Valley 782 Comment
  UCD170734  Astragalus preussii var. preussii A. C. Sanders; Chloe Scott, Bill Clark, Florence Caplow 2012-4-17 40049 Inyo NE Mojave Desert, Mesquite Valley near Sandy Valley, NV, along Quartz Rd. just N of San Bernardino Co. line, 0.6 mi. west of NV state line, W of Paute Rd. and E of Tecopa Rd. 798 Comment
  RSA0059712  Astragalus purshii var. tinctus A. C. Sanders, Mitch Provance 2007-5-4 33677 Kern Tehachapi Mountains: gentle slopes NE of upper Oso Canyon, c 3 miles ESE of Castac Lake, 0.5 mi. S of peak 4908 of the Los Angeles Co. line. 1372 Comment
  SEINET4560799  Astragalus tidestromii A. C. Sanders 2011-1 39150 Inyo NE Mojave Desert: west side of Pahrump Valley along Old Spanish Trail Hwy, 3.73mi., west of Calvada Springs (Rose ave.) c. 6 miles west of NV state line 797 Comment
  RSA617443  Athyrium filix-femina A. C. Sanders, L. Lubinsky, P. Lubinsky 1994-8-24 15405 San Bernardino San Bernardino Mountains: North Fork Meadows, upper Whitewater River, San Gorgonio Wilderness. Vicinity of Big Tree Campsite. 2645 Comment
  UCR98063  Athysanus pusillus A. C. Sanders 1997-3-1 19732 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
  UCR214472  Athysanus unilateralis A. C. Sanders 2010-3-30 37656 Kern Tehachapi Mtns. Foothills, hills between Big Sycamore and Little Sycamore canyons, north of reservoir on Calif. Aqueduct 1015 Comment
  SEINET3195140 Image available Atrichoseris platyphylla A. C. Sanders, A. Howald, Brian A. Elliott 2009-4-4 36769 San Bernardino Mojave Desert; Cady Mountains, along powerline route, ca. 2 mi (air) NW of Old Dominion Mine (west of Broadwell Mesa 7.5' Q.) 591 Comment
  UCR135933  Atrichoseris platyphylla A. C. Sanders, Kent Beaman 2004-4-21 27588 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
  UCR192020  Atriplex A. C. Sanders 2008-4-16 34907 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, 0.15 mi. north of Hwy 138 on the eat side of the cement plant road, 0.75 mi. ESE of Quail Lake 1021 Comment
  UCD169476  Atriplex argentea var. longitrichoma A. C. Sanders; Ann Howald 2011-4-11 39078 Inyo NE Mojave Desert, Pahrump Valley, north side of Hwy 178 near NV state line. 766 Comment
  SD133121  Atriplex canescens A. C. Sanders 1990-10-6 10193 Orange Newport Bay, North Star County Beach area on the southwest end of the bay, ca. 2.0 km inland of Highway 1. 0 Comment
  UCR214862  Atriplex canescens var. macilenta A. C. Sanders, Richard Dwerlkotte 2010-3-22 37518 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  UCR94738  Atriplex confertifolia A. C. Sanders, E. J. Lott 1993-5-5 13887 San Bernardino Mojave Desert, Southern Mojave Desert: Rabbit Dry Lake, eastern edge at junction of Rabbit Spring Road and Hwy 18 899 Comment
  SD240966  Atriplex elegans var. elegans A. C. Sanders, John F. Green 2012-6-25 40307 Riverside Peninsular Range: Santa Ana Mountains Region: Temescal Canyon near I-15 crossing of Temescal Canyon Road and Temescal Creek, c. 2.6 km SW of Lee (Corona) Lake (Alberhill 7.5'Q) 360 Comment
  SD186161  Atriplex elegans var. fasciculata A. C. Sanders, E. J. Lawlor and Don Pendleton 1992-3-21 12080 Imperial Powerline road, Imperial 230 KV line, 1.9-2.2 miles west of Coachella Canal Road. -35 Comment
  CAS-BOT-BC170606  Atriplex glauca A. C. Sanders 2008-4-29 35139 Orange Lomas de Santiago, western end of Loma Ridge on road to sheriff's trianing facility, c. 1.5 mi. SW of Santiago Reservoir, Black Star Canyon 7.5' - Peninsular Range, Santa Ana Mtns. 335 Comment
  RSA567646  Atriplex hymenelytra A. C. Sanders, E. J. Lawlor 1992-4-4 12097 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  VVC1110  Atriplex lentiformis subsp. torreyi A. C. Sanders, J. Mac 1998-10-31 22318 San Bernardino Southern Mojave Desert, Victorville, Mojave River at Upper Narrows, just above the Hwy 18 bridge 854 Comment
  UCR195109  Atriplex leucophylla A. C. Sanders 2008-8-13 36013 Ventura South Coast; Ventura Coastal Basin, Oxnard, Silver Strand Beach near Port Hueneme, at Point Hueneme 1 Comment
  UCR195208  Atriplex leucophylla A. C. Sanders 2008-8-14 36031 Ventura South Coast; Ventura Coastal Basin, Oxnard, north end of Silver Strand Beach near intersection of Victoria Ave. and San Nicolas Ave, at entrance of Channel Islands Harbor 1 Comment
  SD240968  Atriplex longitrichoma A. C. Sanders, Chloe Scott, Bill Clark, Josh Utter, Eve Laeger. 2011-5-5 39447 Inyo NE Mojave Desert : Pahrump Valley, along dirt road at north edge of Pahrump Dry Lake, SW of Pahrump (Nopah Peak 7.5'Q) 757 Comment
  SEINET4135520  Atriplex polycarpa S. Sanderson 1994-2-26 94 -015 San Bernardino Railroad crossing at west side of Amboy.; 0 Comment
  UCR220010  Atriplex polycarpa A. C. Sanders, A. Howald, Onkar Singh, Chloe Scott, Eve Laeger, Russell Kokx, Bill Clark 2010-10-27 38670 Inyo Northeastern Mojave Desert, Pahrump Valley, 4.6 km SE (150 deg. ) of Calvada Springs along old dirt track 810 Comment
  UCR123266  Atriplex serenana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25489 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
  UCR214687  Atriplex serenana A. C. Sanders 2010-7-3 38529 Kings San Joaquin Valley, Tulare Lake bed, Nevada Ave. 6.7 miles east of the Avenal Cutoff, 1 km (0.6 mi.) W of Hwy 41, 8.3 km SW (226 deg. ) of Stratford 63 Comment
  UCR124032  Atriplex serenana var. serenana A. C. Sanders, Mark A. Elvin 2002-8-28 25598 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  UCR261155  Atriplex serenana var. serenana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41721 Riverside Esinore, large vacant lot south of the intersection of 3rd St. and Pasadena St. 387 Comment
  UCR214499  Atriplex suberecta A. C. Sanders, Victor Leighton, Morgan King 2010-3-24 37570 Imperial Sonoran (Colorado) Desert; Salton Trough, Imperial Valley, Red Hill area near the SE end of the Salton Sea, dirt road between Hatfield Rd. and Kalin Rd., south of Sinclair, c. 6 mi. SW of Niland -66 Comment
  SEINET4136335  Atriplex triangularis A. C. Sanders 2005-9-9 31629 San Diego South Coast; Batiquitos Lagoon Ecological Reserve, Leucadia, SW side near I-5 and La Costa Ave.; 0 1 Comment
  UCR97902  Avena barbata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19841 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR125416  Avena fatua A. C. Sanders, Mark Elvin 2003-3-5 25738 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR154807  Avena fatua A. C. Sanders 2005-5-27 30299 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
  UCR239491  Baccharis brachyphylla A. C. Sanders, Mitch Provance 2012-10-25 40483 Imperial Sonoran (Colorado) Desert, east side of the Chocolate Mountains, between BLM roads 549 (old Niland-Blythe Rd.) and 565, 6.9 km SW (254 deg. ) of Raineys Well 608 Comment
  VVC1118  Baccharis emoryi A. C. Sanders, J. Mac 1998-10-17 22265 Orange Coastal flats, Bolsa Chica, near Bolsa Bay, south of Warner Ave., E of the Pacific Coast Highway .3 Comment
  UCR123364  Baccharis glutinosa A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25486 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
  SD167281  Baccharis pilularis Andrew C. Sanders 2005-10-14 31888 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
  UCR154109  Baccharis salicifolia A. C. Sanders 2005-5-13 30208 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
  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
  UCR245795  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40957 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  OBI32828  Bahiopsis laciniata A. C. Sanders, D. Emery & M. Beauchamp, M. Beauchamp 1982-3-19 2439 San Diego Otay Mtn, along the rd to the summit up the N side. T18S, R1E, S1/2 of sec 2 610 Comment
  SD145996  Bahiopsis laciniata A. C. Sanders, Mtch Provance 1998-7-2 22104 Ventura Moorpark: hills S of Tierra Valley, along Reaf Rd. 1/2 mi. E of Moorpark Rd., W of Hwy 23, 1 mi. NW of Wood Rnch Reservoir, 2 mi. NE Tho. Oaks 209 Comment
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Jul 22 2012
  SD186115  Bahiopsis laciniata A. C. Sanders 2003-3-14 25754 Los Angeles Abandoned gravel pit onboundary between Irwindale and Azusa, east of Irwindale Ave., and south of Foothill Blvd. 519 Comment
  UCD129494  Bahiopsis laciniata A. C. Sanders 2003-3-14 25754 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. 520 Comment
  CAS-BOT-BC99991  Balsamorhiza deltoidea A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke; et al. 1997-4-12 20356 Kern San Emigdio Ranch, confluence of San Emigdio Canyon and Doc Williams Canyon, 2.5 mi. WNW of Eagle Rest Peak 854 Comment
  UCR251501  Barbarea orthoceras A. C. Sanders, Karen Kirtland 2014-6-4 41148 San Bernardino San Bernardino Mtns., Big Bear Valley, south of Hwy 18 (Big Bear Blvd.) and east of Tulip Lane 2067 Comment
  UCR114101  Bassia hyssopifolia A. C. Sanders, Mitch Provance 2000-10-1 23712 San Bernardino Southern Mojave Desert, Victorville, Upper Narrows of the Mojave River just above Hwy 18 bridge 835 Comment
  UCR161642  Bassia hyssopifolia A. C. Sanders, T. B. Salvato 2005-10-7 31793 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
  UCR34360  Bassia hyssopifolia A. C. Sanders, N. M. Fellows 1983-10-12 3998 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
  UCD114085  Batis maritima A. C. Sanders 1990-10-6 10195 Orange Newport Bay, North Star County Beach area on the SW end of the bay, ca. 2 km inland of Hwy 1. 1 Comment
  SD178134  Bebbia juncea var. aspera A. C. Sanders 2004-5-12 27891 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. Solitary shrub beside sandy wash at foot of hills, dry open area. 377 Comment
  IRVC29017  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25294 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
  RSA781244  Beta macrocarpa A. C. Sanders, Victor Leighton, Morgan King 2010-3-24 37560 Imperial Imperial Valley, Red Hill area near the SE end of the Salton Sea, south side of Pound Rd. 1 mi. east of Davis Rd., c. 2.75 mi. SW of Niland -65 Comment
  UCR214488  Beta macrocarpa A. C. Sanders 2010-3-25 37624 Imperial Sonoran (Colorado) Desert; Salton Trough, east side of the Salton Sea, Hot Mineral Spa Road at Trily Rd. 2.6 mi above Hwy 111, 5 miles NE (32 deg. ) of Bombay Beach -32 Comment
  UCR218022  Bidens frondosa A. C. Sanders, Dan S. Cooper 2010-8-5 38540 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  CAS-BOT-BC102026  Bidens laevis A. C. Sanders; Mitch Provance; B. Pitzer 2000-9-27 23679 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd. , near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR37089  Bidens pilosa A. C. Sanders, M. Guzy 1983-11-10 4649 Riverside University of California, Riverside. Botanic Gardens, Latin American section 366 Comment
  UCR87611  Bloomeria crocea var. crocea A. C. Sanders 1994-5-30 14597 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR270337  Boechera pulchra A. C. Sanders, Karen Kirtland 2016-4-20 42425 San Bernardino San Bernardino Mtns., Cushenbury Canyon, off Hwy 18 along FS Rd. 3N61 (Jacoby Canyon Rd.), under SCE powerline at pole 89480 1841 Comment
  RSA0106873  Boechera xylopoda A. C. Sanders, Karen Kirtland 2016-5-11 42482 San Bernardino San Bernardino Mountains: near head of Cushenbury Canyon, west of Hwy 18, powerline route below closed dump and active transfer station, NE of Holcomb Valley Rd. & south of Jacoby Cyn. Rd. 2005 Comment
  SD253412  Boechera xylopoda A. C. Sanders, Karen Kirtland 2016-5-11 42482 San Bernardino San Bernardino Mountains: near head of Cushenbury Canyon , west of Hwy 18, powerline route below closed dump and active transfer station, NE of Holcomb Valley Rd & south of Jacoby Canyon Road (Big Bear City 7.5'Q) 2004 Comment
  CAS-BOT-BC502087  Boerhavia triquetra A. C. Sanders; Jim Malusa 2015-9-10 41849 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon, along Summit Rd c. 1.5 mi above mouth of Red Canyon, edge of Chocolate Mtns Aerial Gunnery Range 433 Comment
  UCD170133  Boerhavia triquetra var. intermedia A. C. Sanders 1989-9-19 9511 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target. 680 Comment
  RSA0076343  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40402 Riverside Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  SD247458  Boerhavia wrightii A. C. Sanders, Mark A. Elvin, Tim Thomas 2007-10-5 34375 San Bernardino Central Mojave Desert: Ord Mountains, at Sweetwater Spring (Ord Mountain 7.5'Q) 1463 Comment
  UCR229262  Boschniakia strobilacea A. C. Sanders 2011-7-1 39729 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
  IRVC27684  Bothriochloa barbinodis A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15871 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork. San Jacinto Mtns/Colorado Desert 256 Comment
  UCR157452  Bothriochloa barbinodis A. C. Sanders, T. B. Salvato 2005-6-29 31264 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
  IRVC28215  Bouteloua aristidoides A. C. Sanders, Mark A. Elvin 2004-10-10 28970 San Bernardino ca. 3.5 miles NNE of Clarks Pass along Hwy 62, at sharp east bend in road going around rocky hills Southern Mojave Desert 650 Comment
  SEINET2047736 Image available Bouteloua aristidoides A. C. Sanders, Mark A. Elvin 2003-10-5 27224 San Bernardino UC Burns PInyon Ridge Reserve, big wash at Yucca Valley town limit off (above) Pioneertown Rd., and mouth of large canyon from NE (Yucca Valley North Quad 7.5'). 1098 Comment
  UCR242292  Bouteloua barbata A. C. Sanders, T. B. Salvato 2012-10-12 40417 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UCR20990  Bouteloua trifida A. C. Sanders, T. P. Krantz, K. R. Neisess 1980-5-24 1513 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
  RSA604760  Bowlesia incana A. C. Sanders, J. C. Lyman 1995-4-15 16545 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
  SD144090  Bowlesia incana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19858 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  SEINET12798918  Bowlesia incana A. C. Sanders 2005-1 29848 Riverside Alt: 625m/2050ft. Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 635 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
  UCR165392  Bowlesia incana A. C. Sanders 2005-4-21 29573 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR98335  Bowlesia incana A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke, G. Ballmer 1997-4-13 20464 Kern San Emigdio Ranch: Salt Creek Canyon at confluence with Black Bob Canyon and up Black Bob Cyn. 915 Comment
  UCR213507  Brachypodium distachyon A. C. Sanders, Karen Kirtland 2010-5-14 38351 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  HSC78741  Brandegea bigelovii A. C. Sanders 1983-4-23 3751 San Bernardino Colorado River Valley, just N of the Riverside Co. line, 5 mi. SE of Vidal 122 Comment
  UCR41529  Brandegea bigelovii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6103 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR166431  Brassica A. C. Sanders 1992-2-28 12036 Riverside University of California, Riverside. Botanic Garden 366 Comment
  UCR125272  Brassica rapa A. C. Sanders 2002-11-21 25644 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR174152  Brassica tournefortii A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32527 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
  UCR241803  Brassica tournefortii A. C. Sanders, Ann Howald 2013-2-28 40554 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  UCR250573  Brassica tournefortii A. C. Sanders 2014-4-18 41034 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  CAS-BOT-BC100345  Brickellia atractyloides A. C. Sanders; Mitch Provance; Petra Wester 2004-5-30 28003 San Bernardino Mojave Desert: powerline road from Pisgah to Lucerne Valley, north end of Lava Bed Mtns., 2 km south of Silver Cliffs 1098 Comment
  RSA713323  Brickellia atractyloides A. C. Sanders, Mitch Provance, Petra Wester 2004-5-30 28003 San Bernardino Mojave Desert: Powerline road from Pisgah to Lucerne Valley, north end of Lava Bed Mtns., 2 km south of Silver Cliffs Mine. 1098 Comment
  SEINET2042569 Image available Brickellia microphylla A. C. Sanders, Mark Elvin 2001-8-3 24586 San Bernardino Kingston Range, canyon 1 mi SE of Horse Thief Springs (Horse Thief Springs Quad 7.5'). T19N R10E 1372 Comment
  UCR214203  Briza maxima A. C. Sanders 2010-6-26 38492 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
  UCR88500  Brodiaea terrestris subsp. kernensis A. C. Sanders, P. J. MacKay, et al 1995-6-18 17349 San Bernardino San Bernardino Mtns, Bacon Flats, along a small stream crossing the Deep Creek road (3N34) 1400 Comment
  RSA496669  Bromus arizonicus A. C. Sanders 1988-3-17 7732 Los Angeles El Segundo Dunes, immediately W of LA International Airport and Pershing Drive, E of Vista Del Mar Blvd., (Near 33 deg 56'N, 118 deg 26'W.) 30 Comment
  SD185078  Bromus arizonicus A. C. Sanders, K. Rose and D. Woodard 1995-3-22 16220 Riverside San Gorgonio Pass/San Jacinto Mountains; on and near a rocky spur at the north foot of the mountains. 399 Comment
  SD237263  Bromus berteroanus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-4-2 37749 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona Lake, .5 mi. NE of Temescal Canyon Rd. where it goes under I-15. 404 Comment
  SD247282  Bromus berteroanus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41451 Riverside San Gorgonio Pass: San Gorbonio 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 (White Water 7.5'Q) 433 Comment
  RSA518927  Bromus carinatus A. C. Sanders 1988-2-18 7692 Los Angeles El Egundo Dune, W of LA International Airport, between Pershing Dr and Vista Del Mar Blvd 5 Comment
  UCR125474  Bromus carinatus A. C. Sanders 2003-4-6 25945 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, weed in yard at 422 Campus View Dr. 341 Comment
  UCR193895  Bromus carinatus A. C. Sanders, Mitch Provance 2008-7-11 35798 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
  UCR251504  Bromus carinatus A. C. Sanders, Karen Kirtland 2014-6-4 41145 San Bernardino San Bernardino Mtns., Big Bear Valley, south of Hwy 18 (Big Bear Blvd.) and east of Tulip Lane 2067 Comment
  SD129162  Bromus carinatus var. marginatus A. C. Sanders, J. Lyman 1989-6-8 9113 San Bernardino San Bernadino Mountains, S B Nat. Forest WNW of Green Valley Lake, I(c) mi SW of Fisherman's Camp. 1768 Comment
  SEINET935024  Bromus carinatus var. marginatus A. C. Sanders, E. J. Lawlor, P. MacKay, C. Sanders, et al 1995-1 17413 San Bernardino San Bernardino Mountains, below Barton Flats, road crossing of Stetson Creek and E. to artifical pond at head of the drainage to the N. Comment
  RSA782106  Bromus catharticus A. C. Sanders, Dan S. Cooper 2010-4-30 38133 Los Angeles Madrona Marsh, Torrance 24 Comment
  SD173333  Bromus catharticus Andrew C. Sanders 2005-6-22 31129 San Diego Buena Vista Lagoon Ecological Reserve (DFG), Carlsbad, south side of lagoon just east of Carlsbad Blvd. (S-21) near Brown Park Comment
  RSA0047567  Bromus diandrus A. C. Sanders, Mitch Provance, T. B. Salvato 2007-4-3 33361 Kern 300th St. West, 1.2 mi. north of the California Aqueduct, adjacent to dirt percolation basins. 933 Comment
  SD193190  Bromus diandrus A. C. Sanders 2004-4-16 27497 San Diego South Coast: Carlsbad, Buena Vista Lagoon Ecological Reserve, lower section between the Pacific Coast Highway and the Railroad. 2 Comment
  UCR127983  Bromus diandrus A. C. Sanders, M. Elvin, C. Burrascano, A. Pignioli, A. Thomson, and others 2003-5-4 26533 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
  UCR153307  Bromus diandrus A. C. Sanders, Mark A. Elvin 2005-4-22 29653 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
  UCR195969  Bromus diandrus A. C. Sanders 2007-2-22 33312 A San Diego South Coast, Mission Beach, San Diego, Point Medanos Park, at mouth of San Diego River 1 Comment
  UCR250208  Bromus diandrus A. C. Sanders, Plant Tax. Class 2014-4-12 41012 Los Angeles Mojave Desert, NW of Pinon Hills, 233rd St. East, 0.2 km south of Hwy 138 1095 Comment
  RSA628399  Bromus grandis A. C. Sanders 1994-6-26 14951 San Bernardino San Bernardino Mountains: Burnt Mill Canyon along Burnt Mill Road, N of Cedarpines Park. [117 deg 19'W, 34 deg 16'N. T2N R4W N/2 sec.17] 1300 Comment
  UCR77058  Bromus grandis A. C. Sanders, S. D. White 1993-7-31 14157 B San Bernardino San Bernardino Mountains, Ridge north of Mill Creek Cayon, Forest Service Road 1N12 near the Morton Peak Road junction 1189 Comment
  UCR127746  Bromus hordeaceus A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26433 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
  VVC551  Bromus hordeaceus A. C. Sanders, J. Mac 1997-5-4 20690 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  UCR213628  Bromus rubens A. C. Sanders 2010-4-26 38022 Kern Southern Foothills of Tehachapi Mountains, mouth of Canyon de la Lecheria, north of the end of 290th St. West 1259 Comment
  UCR224799  Bromus rubens A. C. Sanders, Ann Howald, Onkar Singh, Brian A. Elliott, Eve Laeger, Chloe Scott, Bill Clark, et al 2011-4-12 39089 Inyo NE Mojave Desert, Pahrump Valley, along stateline road (dirt) c. 2.2 miles NW of Old Spanish Trail Hwy 808 Comment
  CAS-BOT-BC161653  Bromus secalinus A. C. Sanders; E. J. Lawlor; P. MacKay; C. Sanders; et al 1995-6-24 17418 San Bernardino San Bernardino Mountains. Below Barton Flats, road crossing of Stetson Creek and east to artificial pond at the head of the drainage to the north. 1680 Comment
  IRVC28551  Bromus sterilis A. C. Sanders, Mark A. Elvin 2003-5-15 26733 Ventura canyon below old ranch site in upper south fork of Salt Canyon along dirt road to the crest of the range, Newhall Ranch Santa Susana Mtns. 457 Comment
  UCR126819  Bromus tectorum A. C. Sanders, Mark A. Elvin 2003-6-18 26958 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
  UCR215034  Bromus tectorum A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-4 38275 San Bernardino Eastern Mojave Desert, Ivanpah Valley, western foot of metamorphic hill emerging from alluvium below Clark Mountain, 3.5 km NW (120 deg. ) of Primm Valley Golf Club, 5.3 km W of I-15 912 Comment
  UCR215062  Buddleja utahensis A. C. Sanders, Florence Caplow 2010-5-5 38311 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
  UCR85155  Caesalpinia virgata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16091 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  SBBG122652  Calandrinia breweri A. C. Sanders, F. M. Roberts, A. O'Neal 2008-5-9 35314 Orange Weir Cyn, along fire line/bulldozer cut, ca. 1.5 mi E of Walnut Cyn Reservoir 346 Comment
  CAS-BOT-BC434989  Calandrinia ciliata A. C. Sanders; T. B. Salvato; Mitch Provance 2007-5-15 33814 Kern Tehachapi Mountains: steep SW-facing slopes above Crane Canyon, c. 1 mile SE of Castac Lake. 1250 Comment
  CAS-BOT-BC438386  Calandrinia ciliata A. C. Sanders; S. Boyd; S. White; G. Helmkamp; et al 1997-3-7 19803 Kern San Emigdio Ranch, divide between Pleitito Creek and San Emigdio Creek Cyn., above large vernal pool. 854 Comment
  IRVC26341  Calandrinia ciliata A. C. Sanders 2003-4-16 26022 Los Angeles Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  UCR154792  Calandrinia ciliata A. C. Sanders 2005-4-29 29792 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
  UCR155073  Calandrinia ciliata A. C. Sanders, Kelly Volansky 2005-3-17 29238 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
  SD262275  Calliandra eriophylla A. C. Sanders 2017-3-12 42888 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, Pegleg Well near Pegleg Mine. 423 Comment
  CDA5106  Callistemon viminalis A. C. Sanders, Mark A. Elvin, Kerry Knudsen 2004-9-3 28793 San Diego South Coast; Carlsbad, southern edge of Carlsbad Highlands Ecological Reserve, 1 km south of Cerro de la Calavera Comment
  UCR137582  Calochortus albus A. C. Sanders 1998-7-31 22179 Madera Sierra Nevada Mtns., south end of Bass Lake near Wishon Point Campground, off Crane Valley Road 1067 Comment
  RSA734347  Calochortus catalinae A. C. Sanders, Linda Farley, Fred M. Roberts, David E. Bramlet 2008-4-1 34639 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 396 Comment
  UCR191352  Calochortus catalinae A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34639 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
  UCR126693  Calochortus clavatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26132 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
  UCR174331  Calochortus splendens A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32559 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR192071  Calochortus splendens A. C. Sanders, Fred M. Roberts 2008-5-6 35247 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  RSA666671  Calycadenia mollis A. C. Sanders 2000-7-9 23563 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
  RSA733841  Calycadenia tenella A. C. Sanders 2008-4-29 35130 Orange 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
  SD140209  Calycoseris wrightii A. C. Sanders, E. J. Lawlor 1992-4-4 12114 Riverside McCoy Mountains. Within 1/2 mile of McCoy Spring; alluvial slopes below and to the south and canyon bottom above the spring. 244 Comment
  UCR279460  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-26 43063 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
  UCR158520  Calyptridium monandrum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30020 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
  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
  RSA0010363  Calystegia felix A. C. Sanders, Mitch Provance, T. A. Provance 2012-5-19 40174 San Bernardino San Bernardino Basin Region: City of Chino, SE of intersection of Edison Ave. and Oaks Ave., edge of Chaffey College Chino Campus, public right-of-way along powerlines. 206 Comment
  RSA734022  Calystegia macrostegia A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34616 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
  SD248400  Calystegia macrostegia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41466 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mile NNW (335a^z) of One Horse Spring, wouth of I-10 and SE of water bottling plant, edge of wind farm (White Water 7.5'Q) 452 Comment
  UCR75329  Calystegia macrostegia A. C. Sanders, S. D. White 1993-5-21 14097 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
  RSA750323  Camissonia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16249 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. 335 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
  UCR116416  Camissonia bistorta A. C. Sanders, T. B. Salvato 2001-3-30 23870 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR120948  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23881 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR154975  Camissonia bistorta A. C. Sanders, Kelly Volansky 2005-3-17 29219 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
  UCR26546  Camissonia bistorta A. C. Sanders, S. Hagopian 1981-5-20 2122 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  RSA712886  Camissonia boothii A. C. Sanders, Tricia Wotipka, Mark A. Elvin, Scott Boczkiewicz 2003-5-14 26675 Ventura crest of the range 0.9 km west of Los Angeles Co. line, near peak 3004, SW edge of Newhall Ranch 884 Comment
  UCR192577  Camissonia boothii A. C. Sanders 2008-4-10 34823 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
  UCR239497  Camissonia boothii A. C. Sanders, T. B. Salvato 2012-11-15 40526 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench south of the Chuckwalla Mtns., SW of Graham Pass, 1 km SE (138 deg. ) of Raineys Well, 1.15 km SW (201 deg. ) of jct. of Bradshaw Trail & old Niland-Blythe Rd. 511 Comment
  UCR224768  Camissonia brevipes A. C. Sanders, Josh Utter 2011-4-21 39262 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
  UCR31126  Camissonia brevipes subsp. brevipes A. C. Sanders 1983-4-23 3760 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
  UCR104921  Camissonia californica A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20660 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
  HSC87035  Camissonia campestris A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7773 Los Angeles Lancaster, near Quartz Hill, S of Ave. L at 37th St. W 747 Comment
  UCR86933  Camissonia campestris A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-21 17082 San Bernardino San Bernardino Mtns, Coxey Road, 0.4 mi. above turnoff to Oak Spring, wash below Rattlesnake Spring 1600 Comment
  UCR86942  Camissonia campestris A. C. Sanders, MacKay & Helmkamp 1995-5-21 17059 San Bernardino San Bernardino Mtns, head of Grapevine Canyon on Grapevine Canyon Road, south of Apple Valley, 4.6 mi. above Santa Fe RR, at and above a new Forest Service gate 1738 Comment
  UCR88149  Camissonia campestris A. C. Sanders, P. J. MacKay, G. K. Helmkamp, A. Knapp 1995-4-23 16690 San Bernardino San Bernardino Mtns/ Mojave Desert, SE of Lucerne Valley, just below mouth of Rattlesnake Canyon 1200 Comment
  UCR75047  Camissonia chamaenerioides A. C. Sanders, E. J. Lawlor 1992-4-4 12100 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR209297  Camissonia cheiranthifolia A. C. Sanders 2009-4-19 36794 Santa Barbara South Coast, Carpinteria, Linden Ave. at Sandyland Ave., near end of Linden at beach, NW edge of Carpinteria State Beach 5 Comment
  UCR203481  Camissonia claviformis A. C. Sanders, Jim Andre, M. O. Bagley, et al 2009-3-10 36282 San Bernardino Mojave Desert, Cadiz Valley, wash at dirt road crossing 1.7 miles SW of Chambless, 3 miles NW of Cadiz 210 Comment
  UCR279480  Camissonia claviformis A. C. Sanders, Jim Malusa, Isaac Marck 2017-3-7 42712 Imperial Sonoran (Colorado) Desert, upper Ninemile Wash, near old well (windmill) and trough, Chocolate Mountains 409 Comment
  UCR41633  Camissonia claviformis A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6076 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR241038  Camissonia claviformis subsp. peirsonii A. C. Sanders, Ann Howald 2013-3-1 40594 Imperial Sonoran (Colorado) Desert, Salton Sink, alluvial slope between San Felipe Creek and Hwy 78 at a point 4.25 km west of Hwy 86 -34 Comment
  UCR115339  Camissonia confusa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16253 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
  UCR192047  Camissonia graciliflora A. C. Sanders 2008-4-11 34846 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, west of a N-S line through VABM 'Pine 995 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
  RSA714587  Camissonia hirtella A. C. Sanders, Helen Kennedy 2005-4-13 29409 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  RSA734338  Camissonia hirtella A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34624 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 366 Comment
  UCR137241  Camissonia hirtella A. C. Sanders 2004-6-25 28279 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
  UCR251998  Camissonia hirtella A. C. Sanders, T. B. Salvato 2014-7-2 41159 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR126114  Camissonia pallida A. C. Sanders, Mark Elvin 2003-4-5 25881 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
  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
  UCR174421  Camissoniopsis bistorta A. C. Sanders 2006-6-5 33110 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
  UCR128566  Camissoniopsis confusa A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23904 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
  UCR166099  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16206 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
  UCR214373  Campanula prenanthoides A. C. Sanders 2010-6-26 38455 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
  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
  UCR174014  Cardamine hirsuta A. C. Sanders, D. E. Bramlet, R. T. Hawke, Tim Thomas, et al 2006-5-20 32474 San Bernardino San Bernardino Mtns., Santa Ana River Trail between Glass Rd. and Angelus Oaks, south side of the Santa Ana River Canyon 1646 Comment
  UCR186923  Cardaria draba A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32027 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
  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
  SBBG84182  Carduus pycnocephalus subsp. pycnocephalus A. C. Sanders, B. Pitzer 1987-4-21 7049 Riverside Box Springs Mtns, summit of Pigeon Pass Rd; T2S, R4W, SW1/4 S14 579 Comment
  CHSC115755  Carex A. C. Sanders; Karen Kirtland 2014-6-4 41146 San Bernardino San Bernardino Mtns: Big Bear Valley, south of Hwy 18 (Big Bear Blvd.) and easgt of Tulip Lane. 2067 Comment
  RSA0093539  Carex A. C. Sanders 2010-3-30 37657 Kern Tehachapi Mtns. Foothills. hills between Big Sycamore and Little Sycamore canyons, north of reservoir on Calif. Aqueduct. 998 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
  RSA424908B  Carex amplifolia A. C. Sanders, K. Cooper, R. Cooper 1986-7-25 6782 San Bernardino San Bernardino Mountains, Holcomb Creek. 0.65 mile below forest road 3N16 on 3N08. 2165 Comment
  UCR126290  Carex athrostachya A. C. Sanders 1994-8-7 15247 San Bernardino San Bernardino Mtns., upper (eastern) end of Bluff Lake Meadow, south of Big Bear Lake 2340 Comment
  SEINET7552627 Image available Carex bolanderi A. C. Sanders, P. MacKay, S. White, C. L. Sanders 1994-9-18 15673 San Bernardino San Bernardino Mountains: upper Santa Ana River along the Seven Oaks Road (1N45), 1 mile below Hwy 38 at South Fork Campground, 0.1 mi. above the 1st river crossing. 1890 Comment
  UCR143935  Carex praegracilis A. C. Sanders, E. J. Lott 1993-5-5 13928 San Bernardino Southern Mojave Desert, Rabbit Springs, south side of Rabbit Springs Road, along flood control district right-of-way 878 Comment
  SEINET7579382 Image available Carex utriculata A. C. Sanders 1994-8-7 15235 San Bernardino San Bernardino Mtns, upper (eastern) end of Bluff Lake Meadow, S of Big Bear Lake. 2316 Comment
  SD197641  Carpobrotus edulis A. C. Sanders, J. R. Ekhoff, Meredith Osborne 2005-7-13 31409 San Diego Peninsular Range: Boden Canyon Ecological Reserve at the East end of San Pasqual Valley, lower part of reserve along Santa Ysabel Creek. 182 Comment
  UCR42442  Carpobrotus edulis A. C. Sanders 1986-5-31 6531 Orange Southern Coast, Balboa Island at Newport Beach. Dunes at the back edge of the beach, from 6th St. S to the harbor entrance 1 Comment
  CDA2827  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley; Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development Comment
  RSA0011149  Carya illinoinensis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37151 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  UCR264192  Castela emoryi A. C. Sanders, Jim Malusa 2015-9-7 41810 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, low gradient divide ('perched playa') at upper end of Salvation Pass road, between Salvation Pass and Arroyo Seco drainages 410 Comment
  SD148071  Castilleja affinis Andy C. Sanders, M. Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23899 Riverside Perris-Aguanga Basin Region: Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 395 Comment
  UCR112885  Castilleja attenuata A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, T. Ross 1997-4-12 20387 Kern Hills S of San Joaquin Valley, San Emigdio Ranch, hills around major tributary of Pleitito Creek, c. 3 km (air) north of Eagle Rest Peak 1159 Comment
  RSA654362  Castilleja exserta A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1997-4-12 20376 Kern Hills S of San Joaquin Valley: San Emigido Ranch, hills around major tributary of Pleitito Creek, ca. 3 km (air) N of Eagle Rest Peak 1067 Comment
  UCR183512  Castilleja exserta A. C. Sanders, Mitch Provance 2007-5-3 33606 Kern Tehachapi Mountains, NE of upper Oso Canyon, c. 3 miles ESE of Castac Lake, below peak 4908 1402 Comment
  UCR186984  Castilleja exserta A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32234 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
  UCR186987  Castilleja exserta A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31970 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
  UCR120934  Castilleja foliolosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24934 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  VVC476  Castilleja foliolosa A. C. Sanders, J. Mac 1997-5-4 20664 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UCR83760  Castilleja lasiorhyncha A. C. Sanders, P. J. MacKay 1994-6-19 14873 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
  UCR193360  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas 2008-6-20 35552 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR126987  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UCR183502  Caucalis 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 1402 Comment
  UCR250560  Caulanthus A. C. Sanders 2014-4-29 41095 San Bernardino San Bernardino Mtns., lower south slopes of Pisgah Peak, Wildlands Conservancy Oak Glen Preserve property, along lower part of trail from near summit toward headquarters and Oak Glen Rd. 1463 Comment
  UCR114525  Caulanthus amplexicaulis A. C. Sanders, Pam MacKay 1999-6-19 22831 San Bernardino San Bernardino Mtns., S side of Yucaipa Ridge, NW of end of Carter St., c. 3/4 mi. east of Spoor Cyn. 1220 Comment
  UCR47338  Caulanthus cooperi A. C. Sanders 1987-4-4 6994 San Bernardino Eastern Mojave Desert, Hart Mine, SW end of Castle Mountains 1375 Comment
  UCR19481  Caulanthus crassicaulis var. crassicaulis A. C. Sanders 1978-5-30 00223 Inyo Northern Mojave Desert, Ridge overlooking Panamint Valley, south end of the Nelson Range, head of Mill Canyon on the road to Hunter Mountain, 5 mi SW of Hunter Mountain 1829 Comment
  UCR155602  Caulanthus lasiophyllus A. C. Sanders, T. B. Salvato 2005-4-26 29696 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
  UCR241844  Caulanthus lasiophyllus var. rigidus A. C. Sanders, Timothy W. Chumley 2013-3-29 40716 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, 0.63 km NW of Riverside Dr./Hwy 74 408 Comment
  UCR83146  Caulanthus major A. C. Sanders, S. D. White, P. J. MacKay 1994-6-3 14645 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
  SEINET238728  Ceanothus crassifolius A. C. Sanders 1998-1-15 21629 Riverside Lake Skinner area: Black Mtn. along road up north side (Bachelor Mtn.) 884 Comment
  UCR88580  Ceanothus crassifolius A. C. Sanders, J. C. Lyman 1995-4-15 16550 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
  UCR137578  Ceanothus cuneatus A. C. Sanders 1998-7-31 22181 Madera Sierra Nevada Mtns., south end of Bass Lake near Wishon Point Campground, off Crane Valley Road 1067 Comment
  RSA518239  Ceanothus integerrimus A. C. Sanders, J. C. Lyman 1989-6-8 s.n. San Bernardino San Bernardino Mountains, S.B. Nat. Forest, mountain slopes W of Deep Creek and 2 miles W of Green Valley Lake, SW of Fisherman's Camp. Along trail near ridge-top. 1799 Comment
  OBI40100  Ceanothus tomentosus A. C. Sanders, D. Emery & M. Beauchamp, M. Beauchamp 1982-3-19 2431 San Diego Otay Mtn, along the road from doghouse Saddle to the summit 1036 Comment
  UCR162733  Cedrus deodara A. C. Sanders, T. B. Salvato 2005-10-14 31873 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
  UCR205536  Celtis australis A. C. Sanders, T. B. Salvato 2009-5-21 36895 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
  RSA564496  Celtis sinensis A. C. Sanders, Oscar F. Clarke, Robert F. Thorne 1993-4-27 13812 San Bernardino Arrowhead Hotsprings and immediate vicinity, Coldwater Canyon and Strawberry Creek ca. 1/2 mile E of the old Arrowhead Hot Springs Hotel. 579 Comment
  UCR117570  Cenchrus incertus A. C. Sanders, Mihai Costea, T. B. Salvato 1999-11-11 23250 San Bernardino San Bernardino Mountains, Los Rios Rancho at Oak Glen 1463 Comment
  UCR137216  Centaurea melitensis A. C. Sanders 2004-6-25 28319 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
  UCR180128  Centaurea solstitialis A. C. Sanders, Steve Boyd, Mark A. Elvin, Dean Kelch 2006-12-8 33257 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, north side of Mesa de Colorado at drainage (headwaters of Cole Cyn.) crossing Via Volcano just south of Tenaja Rd. 598 Comment
  OBI43723  Centromadia pungens subsp. pungens A. C. Sanders 1986-9-12 6937 Kern San Joaquin Valley, Twisselman road at Hwy I-5, 4.9 mi S of the Kings co line 67 Comment
  SD173431  Cerastium glomeratum Andrew C. Sanders 2005-6-17 31015 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 200 Comment
  UCR155080  Cerastium glomeratum A. C. Sanders 2005-3-11 29170 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
  UCR161838  Ceratophyllum demersum A. C. Sanders, T. B. Salvato 2005-10-7 31779 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
  UCR83157  Cercocarpus ledifolius A. C. Sanders, S. J. Myers, P. J. MacKay 1994-5-27 14515 San Bernardino San Bernardino Mtns, Lower Furnace Canyon on the north slope of the mountains above Lucerne Valley 1500 Comment
  OBI38347  Chaenactis carphoclinia A. C. Sanders, Pitzer, Charlton, & Kniffen, Kniffen 1986-3-3 6110 Riverside Corn Spring, Chuckwalla Mts, wash below the srping and wash and rocky slopes to the S. T6S, R16E, sec 28-projected 488 Comment
  UCR269551  Chaenactis carphoclinia A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-4 42023 Imperial Sonoran (Colorado) Desert, Hayden Well on Mammoth Wash, Chocolate Mountains 284 Comment
  UCR203464  Chaenactis fremontii A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-8 36277 San Bernardino Mojave Desert, Cady Mountains at edge of Broadwell Valley, south of powerline road c. 10 mi. NE of I-40, south of peak 2633, north of Sleeping Beauty Mtn. 598 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
  IRVC26412  Chaenactis stevioides A. C. Sanders, Mark Elvin 2003-4-5 25877 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
  RSA713332  Chaenactis stevioides A. C. Sanders, Jim Andre, P. J. MacKay, Tim Thomas 2005-2-26 29114 San Bernardino Cadiz Valley, Hwy 62, 4 miles west of Hwy 177 junction to Desert Center. 305 Comment
  SEINET10389853  Chaenactis stevioides A. C. Sanders, Jim Malusa 2016-3-8 42144 Imperial Chocolate Mountains, near E.O.D. Camp Burt, eastern edge of Chocolate Mtns. Aerial Gunnery Range, wash crossing Skyline Dr., 0.45 km north of Dietz Rd. 319 Comment
  UCR126101  Chaenactis stevioides A. C. Sanders, Mark Elvin 2003-4-5 25877 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
  UCR203484  Chaenactis stevioides A. C. Sanders, Jim Andre, M. O. Bagley, et al 2009-3-10 36291 San Bernardino Mojave Desert, Cadiz Valley, wash at dirt road crossing 1.7 miles SW of Chambless, 3 miles NW of Cadiz 210 Comment
  RSA605743  Chamaesyce nutans A. C. Sanders, G. K. Helmkamp 1996-3-17 17976 Riverside Coachella Valley: North Palm Springs (Garnet), I-10 at Indian Ave., N of Garnet Ave. 250 Comment
  SEINET3090020 Image available Chamaesyce setiloba Andrew C. Sanders, B. Pitzer, B. L. Phillips 1988-10-15 8715 San Bernardino Mojave Desert, S edge of Fort Irwin Military Training Center, NE of Barstow; on E slope of Paradise Range. 640 Comment
  RSA618549  Chamaesyce vallis-mortae A. C. Sanders 1998-11-15 22346 Kern Short Canyon, NW of Inyokern, ca. 2.5 mi. above mouth of canyon at end of road, mouth of rocky gorge 1098 Comment
  UCR97661  Cheilanthes newberryi A. C. Sanders, G. Helmkamp 1997-3-15 19917 Riverside Peninsular Range, Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 567 Comment
  SEINET3124930 Image available Cheilanthes parryi Andrew C. Sanders, C. L. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay 1995-1 15925 Riverside Sonoran (Colorado) Desert; Coachella Valley, mouth of East Double Canyon, Little San Bernardino Mtns, 1.4 mi above Aqueduct Rd. 580 Comment
  SEINET3124928 Image available Cheilanthes viscida Andrew C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mtns/Colorado Desert; Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the road to the tram station, vicinity of the upper end of the flood control dike 550 Comment
  UCR126160  Chenopodium album A. C. Sanders, Mitch Provance 1999-6-28 22918 Ventura Simi Valley, Marr Ranch, between Tapo and Chivo Canyons, c. 2 miles north of Santa Susana 396 Comment
  CDA3005  Chenopodium amaranticolor A. C. Sanders, Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden Comment
  UCR125288  Chenopodium ambrosioides A. C. Sanders 2002-11-21 25649 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR162195  Chenopodium ambrosioides A. C. Sanders, T. B. Salvato 2005-10-12 31818 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
  IRVC29043  Chenopodium ambrosioides A. C. Sanders 2004-11-12 29042 San Diego San Elijo Lagoon, E of Manchester Ave. ca. 0.5 mi. SW of Encinitas Blvd. Southern Coast 6 Comment
  IRVC29001  Chenopodium berlandieri A. C. Sanders, Mark Elvin 2002-6-25 25267 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  SD197744  Chenopodium berlandieri A. C. Sanders 2004-6-25 28305 San Diego Peninsular Tange: Boden Canyon, tributary of Santa Ysabel creek at east end of San Pasqual Valley. Comment
  UCR126350  Chenopodium berlandieri A. C. Sanders 2003-8-6 27115 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  RSA497605  Chenopodium californicum A. C. Sanders, E. J. Lawlor 1988-4-3 7743 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  RSA709309  Chenopodium chenopodioides A. C. Sanders, Mitch Provance 2000-10-1 23694 San Bernardino Big Bear Lake, Gray's Landing on north shore, 1.2 mi. E of dam 2055 Comment
  VVC847  Chenopodium desiccatum A. C. Sanders, J. Mac 1994-6-12 14765 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
  UCR17691  Chenopodium incanum var. occidentale A. C. Sanders, O. F. Clarke, J. Latting & CNPS trip 1978-5-29 00280 San Bernardino Eastern Mojave Desert, Clark Mountain area, Powerline Road at Excelsior Mine Road, c. 7 mi. north of Valley Well 991 Comment
  UCR83371  Chenopodium incognitum A. C. Sanders 1994-6-26 14964 San Bernardino San Bernardino Mtns, south of Silverwood Lake, along Forest Service Road (2N59?) c. 2 mi east of Cottonwood Station, west of FS Road 2N43 from Cedarpines Park, under powerlines 1150 Comment
  SEINET998495  Chenopodium leptophyllum A. C. Sanders, P. J. MacKay, Tim Thomas, Mitch Provance, Petra Wester 2004-1 28152 San Bernardino San Bernardino Mtns.: Arrastre Creek at Smart's Ranch Road (FS3N03) crossing c. 5 miles SE of Hwy 18 (Rattlesnake canyon 7.5' Q) 1829 Comment
  UCR145071  Chenopodium macrospermum A. C. Sanders 2004-11-12 29035 San Diego Southern Coast, San Elijo Lagoon, SE arm near intersection of La Orilla and El Camino Real 6 Comment
  UCR266764  Chenopodium murale A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-20 41917 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, lower Salvation Wash below confluence of E and N forks, US Navy Chocolate Mountains Aerial Gunnery Range 267 Comment
  SD146305  Chenopodium pratericola A. C. Sanders, Mitch Provance and T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley; along Dillon Road at junction with Tyler, north of I-10, east of Indio and north of Coachella. 4 Comment
  UCR112475  Chenopodium pratericola A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR116952  Chenopodium strictum var. glaucophyllum A. C. Sanders, T. B. Salvato 2001-5-3 24118 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR76949  Chenopodium strictum var. glaucophyllum A. C. Sanders, S. D. White 1993-7-31 14164 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
  UCR111993  Chilopsis linearis A. C. Sanders, T. B. Salvato 2000-4-27 23374 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UCR139576  Chilopsis linearis A. C. Sanders, Petra Wester 2004-6-11 28147 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  RSA563885  Chlorogalum pomeridianum A. C. Sanders, E. J. Lott 1992-6-12 12391 San Bernardino Oak Glenn Creek Canyon, NW of Pisgah Peak. 1067 Comment
  UCR119232  Chlorogalum pomeridianum A. C. Sanders 2000-7-9 23561 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
  UCR185420  Chlorogalum pomeridianum A. C. Sanders, Mitch Provance 2007-6-28 34267 Kern Tehachapi Mtns., dry exposed slopes above Dry Field Canyon, c. 2 miles east of Castac Lake and 4 miles NE of Gorman, under the powerlines 1250 Comment
  VVC397  Chorizanthe brevicornu A. C. Sanders, J. Mac 1995-5-7 16913 San Bernardino Mojave Desert/ N foot of San Bernardino Mtns., Blackhawk Slide, S side of Old Woman Springs Rd. (Hwy 247), ca. 3 mi W of the turnoff to Partin Bros. Mine (Terrace Sprs.) 960 Comment
  SBBG92439  Chorizanthe chaetophora A. C. Sanders 1988-2-13 7639 Unknown peninsula W of San Quintin, just S of Pedregal, Baja California Norte 10 Comment
  UCR83314  Chorizanthe coriacea A. C. Sanders, E. J. Lawlor, D. Dozier 1994-5-28 14540 San Bernardino San Bernardino Valley, City Creek Wash at Hwy 30 (Boulder Ave.) in Highland 450 Comment
  UCR203506  Chorizanthe corrugata A. C. Sanders, Jim Andre, Brian A. Elliott, et al 2009-3-6 36264 San Bernardino Mojave Desert, Broadwell Valley, SW of Broadwell Lake on alluvial fan from the Cady Mtns. 424 Comment
  UCR30161  Chorizanthe corrugata A. C. Sanders 1983-4-24 3801 Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  UCR127780  Chorizanthe fimbriata A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26459 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
  UCR174427  Chorizanthe fimbriata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32511 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR136997  Chorizanthe leptotheca A. C. Sanders 2004-6-25 28254 San Diego Peninsular Range, Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along road in upper DFG parcel 488 Comment
  IRVC27301  Chorizanthe parryi var. fernandina A. C. Sanders, Mark Elvin 2003-8-7 27154 Los Angeles Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon NE end of Santa Susana Mtns. 351 Comment
  UCR214301  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38397 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
  UCR20972  Chorizanthe polygonoides subsp. longispina A. C. Sanders 1980-5-2 1449 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CAS-BOT-BC257784  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
  RSA511304  Chorizanthe spinosa A. C. Sanders, B. Phillips, B. Pitzer 1988-5-22 7862 Kern Mojave Desert, 1.5 mi NW of Rosamond, just NE of Rosamond Airport, N of Felsite St. and W of 354th St. W. 732 Comment
  IRVC26201  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-6-18 26954 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
  IRVC28995  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-6-18 26939 Los Angeles along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch Santa Susana Mountains 854 Comment
  RSA0116761  Chorizanthe staticoides Andrew C. Sanders, Dan Malueg 1998-6-22 22040 Los Angeles San Gabriel Mtns.: Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon. 1006 Comment
  UCD99988  Chorizanthe staticoides A. C. Sanders 2003-4-29 26179 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  UCR127177  Chorizanthe staticoides A. C. Sanders 2003-6-20 27002 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 c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  UCR72726  Chrysanthemum parthenium A. C. Sanders 1992-8-22 12448 San Bernardino San Bernardino Mtns, Waterman Canyon, 0.6 mi. below upper end of Old Waterman Canyon Road (at Hwy 18) 915 Comment
  UCR109797  Chrysothamnus viscidiflorus A. C. Sanders, G. F. Pratt, C. Pierce, G. R. Ballmer, R. Mattoni 1997-6-22 20816 Inyo Mojave Desert, China Lake Naval Weapons Center, Coso Range near (E of) Crystal Spring, 3.3 mi. NW of Coso townsite 1829 Comment
  UCR114552  Chrysothamnus viscidiflorus A. C. Sanders, John Wear, N. Moorhatch 1997-7-16 20934 San Bernardino San Bernardino Mtns., W side of Baldwin Lake, Big Bear City, SE of Pan Hot Springs 2049 Comment
  SBBG80989  Chylismia claviformis A. C. Sanders 1985-3-24 5413 Imperial Road S22,, ca. 0.5 mi E of the Anza-Borrego State Park boundary, Borrego badlands, SE end of the Santa Rosa Mtns 60 Comment
  UCR112921  Cirsium occidentale A. C. Sanders, Steve Boyd 1997-4-20 20522 Kern Hills S of the San Joaquin Valley, San Emigdio Ranch, San Emigdio Creek Canyon 3 miles due south of ranch headquarters at junction with dirt road to the west 686 Comment
  UCR184242  Cirsium occidentale var. venustum A. C. Sanders, Mitch Provance 2007-5-25 33978 Kern Tehachapi Mountains, ridge west of Pastoria Creek (Bear Trap) Canyon, N & NE of VABM Trap (3857 ft.), c. 1 mile SW of the Pastoria Siphon, c. 6 miles NE of Lebec 1159 Comment
  UCR137531  Cirsium vulgare A. C. Sanders, Kerry Knudsen, J. R. Ekhoff 2004-7-9 28461 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
  HSC82837  Cistanthe ambigua A. C. Sanders, Pitzer, Kniffen, Charlton, Wright, Weir, Bramlett 1986-3-9 6220 Imperial Yuha Desert, 0.7 mi. N of S-80 on Painted Gorge Rd., 4 mi. NE of Ocotillo, S of Coyote Wash 76 Comment
  UC1535397  Citrullus colocynthis var. lanatus A. C. Sanders 1986-9-12 6940 Kern 4.9 mi s of Kings County Line (San Joaquin Valley, Twisselman Road at Hwy I-5); San Joaquin Valley, Twisselman Road, Hwy I-5 67 Comment
  HSC84215  Citrullus lanatus A. C. Sanders 1986-9-12 6940 Kern Twisselman Rd. at Hwy. 5, 4.9 mi. S of Kings County line 67 Comment
  UCR154779  Citrus sinensis A. C. Sanders 2005-6-2 30411 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
  UCR76886  Clarkia dudleyana A. C. Sanders, S. D. White 1993-7-31 14166 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
  UCR174580  Clarkia purpurea A. C. Sanders 2006-6-7 32725 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
  SBBG120140  Clarkia purpurea A. C. Sanders, M. Elvin 2003-4-14 25951 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  UCR103209  Claytonia A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, T. Ross 1997-4-12 20337 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
  UCR184032  Claytonia exigua subsp. exigua A. C. Sanders 2007-5-23 33856 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
  UCR185584  Claytonia exigua subsp. exigua A. C. Sanders, T. B. Salvato 2007-4-25 33554 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
  RSA628460  Claytonia parviflora A. C. Sanders 1997-3-22 20079 San Bernardino San Bernardino Mtns: along the Pacific Crest Trail SW of Grass Valley Creek. 1037 Comment
  UCR126738  Claytonia parviflora A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26238 Los Angeles Western San Gabriel Mtns., Charlie Canyon, Castaic Mesa area, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch 366 Comment
  UCR192044  Claytonia parviflora A. C. Sanders 2008-4-11 34844 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, west of a N-S line through VABM 'Pine 995 Comment
  VVC937  Claytonia parviflora A. C. Sanders 1997-3-7 19823 Kern San Emigdio Ranch, 4 km NE of Eagle Rest Peak (near bench mark 4070), along a dirt road 6.5 km N of Antimony Peak 1220 Comment
  RSA0021841  Claytonia parviflora subsp. parviflora A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20634 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  RSA0021842  Claytonia parviflora subsp. parviflora A. C. Sanders 2002-5-4 25040 Riverside San Jacinto Mtns.: Idyllwild, Pine Crest Ave., NE of Hwy 243. 1677 Comment
  RSA0047537  Claytonia parviflora subsp. parviflora A. C. Sanders, Mitch Provance 2007-5-3 33626 Kern Tehachapi Mountains: NE of upper Oso Canyon, c. 3 miles ESE of Castac Lake, below peak 4908. 1341 Comment
  UCR155378  Claytonia perfoliata A. C. Sanders, T. B. Salvato 2005-5-24 30268 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
  UCR186117  Claytonia perfoliata A. C. Sanders, Mitch Provance 2007-5-3 33650 Kern Tehachapi Mountains, NE of upper Oso Canyon, c. 3 miles ESE of Castac Lake, below peak 4908 1402 Comment
  SD236390  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  UCR28405  Clematis ligusticifolia A. C. Sanders, F. C. Vasek 1982-10-19 3249 Inyo Panamint Mtn. 3 miles above Ballarat in Pleasant Canyon Comment
  RSA666641  Clematis pauciflora A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 24990 Riverside The Badlands: marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont. 670 Comment
  UCR123240  Collinsia A. C. Sanders, Steve Boyd 1997-4-20 20536 Kern Hills S of the San Joaquin Valley, San Emigdio Ranch, San Emigdio Creek Canyon 3 miles due south of ranch headquarters at junction with dirt road to the west 686 Comment
  UCR261252  Collinsia A. C. Sanders, Mitch Provance 2015-5-12 41678 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
  UCR214034  Collinsia bartsiifolia var. davidsonii A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37952 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
  RSA0050597  Collinsia callosa A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-21 17036 San Bernardino head of Grapevine Canyon on Grapevine Canyon Road, south of Apple Valley, 4.6 mi. above Santa Fe RR, at and above a new Forest Service gate 1738 Comment
  RSA0117448  Collinsia concolor A. C. Sanders, Tim Thomas 2008-6-20 35529 Riverside May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1600 Comment
  UCR20883  Collinsia concolor A. C. Sanders 1978-7-3 999 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  SD164618  Collinsia heterophylla A. C. Sanders 2005-4-29 29814 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. Localized colonies on sunny road cuts. (IPB 10/06) 487 Comment
  UCR28809  Collinsia parviflora A. C. Sanders 1982-6-20 2749 Tulare Sierra Nevada Mtns., Troy Meadows on upper Fish Creek, just off the Sherman Pass Road 2370 Comment
  RSA0093968  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
  RSA746538  Conium maculatum A. C. Sanders, T. B. Salvato 2009-5-20 36851 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
  UCR158278  Conyza bonariensis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30121 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
  UCR162309  Conyza bonariensis A. C. Sanders, T. B. Salvato 2005-10-5 31707 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
  IRVC26997  Conyza canadensis A. C. Sanders, Mark A. Elvin 2003-10-5 27263 San Bernardino Twentynine Palms, Oasis of Mara at 29 Palms Inn, near intersection of Cottonwood and Mesquite Rds. Southern Mojave Desert 610 Comment
  UCR124026  Conyza coulteri A. C. Sanders, Mark A. Elvin 2002-8-28 25602 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  UCR153343  Conyza floribunda A. C. Sanders, Mark A. Elvin 2005-4-22 29631 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
  UCR161847  Conyza floribunda A. C. Sanders, T. B. Salvato 2005-10-7 31775 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
  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
  UCR83087  Cordylanthus nevinii A. C. Sanders, P. J. MacKay, G. K. Helmkamp, S. D. White 1994-8-21 15364 San Bernardino San Bernardino Mtns, Hooks Creek near Cedar Glen, east of Lake Arrowhead 1550 Comment
  UCR193831  Cordylanthus rigidus A. C. Sanders, Fred M. Roberts 2008-7-16 35826 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, along road in lower Limestone Canyon, near junction with Harding Truck Trail 290 Comment
  CAS-BOT-BC434988  Coreopsis bigelovii A. C. Sanders; T. B. Salvato; Mitch Provance 2007-5-15 33783 Kern Tehachapi Mountains: steep SW-facing slopes above Crane Canyon, c. 1 mile SE of Castac Lake. 1250 Comment
  RSA732534  Coreopsis bigelovii A. C. Sanders, Mark A. Elvin, C. Weigand, M. S. Enright, M. Balk, N. Gale, A. Parikh 2003-3-5 25711 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, 'Grapevine Mesa' ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR127445  Coreopsis bigelovii A. C. Sanders, Mark A. Elvin 2003-5-13 26619 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  UCR184477  Coreopsis bigelovii A. C. Sanders 2007-3-28 33337 Kern Tehachapi Mtns. Foothills/ Western Antelope Valley, wash between Big Sycamore and Bronco canyons, off dirt road 1000 Comment
  UCR210923  Coreopsis bigelovii A. C. Sanders, Fred M. Roberts, Katy Beck, Eve Laeger, et al 2009-3-27 36638 San Bernardino Mojave Desert, Cady Mountains, along the powerline route in the pass between Pisgah and Broadwell valleys 823 Comment
  UCR214220  Coreopsis bigelovii A. C. Sanders 2010-4-6 37754 Kern Southern Foothills of Tehachapi Mountains, Little Sycamore Canyon, 0.65 km NE (33 deg. ) of VABM 'Cow' on rounded ridge between east and west forks of canyon 1009 Comment
  UCR234992  Coreopsis bigelovii A. C. Sanders, Mihai Costea, T. B. Salvato, Benjamin T. Wilder 2012-5-8 40152 San Bernardino Western San Bernardino Mountains, Cleghorn Road (dirt), 1.9 miles airline ESE (97 deg. ) of Cajon Junction 1220 Comment
  UCR88542  Coreopsis bigelovii A. C. Sanders 1995-4-13 16489 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
  UCR126703  Coreopsis tinctoria A. C. Sanders, Mark Elvin 2003-8-7 27182 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR205935  Coronopus didymus A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37062 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
  UCR119223  Corylus cornuta var. californica A. C. Sanders 2000-7-9 23568 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
  CAS-BOT-BC291427  Cotula coronopifolia A. C. Sanders 2005-4-8 29375 San Diego Batiquitos Lagoon Ecological Reserve just N of Leucadia, north side of the lagoon on east side of teh I-5 Fwy.,Encinitas 7.5'Q, South Coast 6 Comment
  SD193275  Crassula argentea A. C. Sanders, Jennifer Jones 2005-6-22 31155 San Diego Buena Vista Lagoon Ecological Reserve, north side of lagoon between Carlsbad Blvd. and the RR, south of Eaton St. Comment
  SD143943  Crassula connata A. C. Sanders 1997-3-1 19706 Riverside Box Springs Mountains; Coyote Hill and ridge south and southeast of the UCR Botanic Garden. 420 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
  SD146297  Cressa truxillensis A. C. Sanders 1999-10-15 23182 Riverside San Jacinto Valley; Mystic Lake, 1.0 mile west of Jackrabbit Trail on Gilman Springs Road. 436 Comment
  SEINET9253037 Image available Croton californicus A. C. Sanders 2003-5-26 26855 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
  UCD141959  Croton californicus A. C. Sanders 1987-11-28 7434 San Bernardino Glen Helen Sheriff's Training Facility, lower Lytle Creek between Verdemont Ranch and Glen Helen Rehabilitation Facility. 518 Comment
  RSA782103  Croton setiger A. C. Sanders 2007-10-26 34411 -C San Bernardino NW Bernardino at NE edge of Calif. State University S.B., near debris basin between the mouths of Sycamore and Badger canyons 474 Comment
  UCR217702  Croton setiger A. C. Sanders, Dan S. Cooper 2010-8-5 38557 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 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
  RSA554222  Crypsis schoenoides A. C. Sanders, Chet McGaugh 1991-7-19 11153 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago., (Near 117 deg 9.1'W, 33 deg 33.25'N). 348 Comment
  UCR116477  Crypsis schoenoides A. C. Sanders, T. B. Salvato 2001-5-25 24377 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR128883  Cryptantha A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12274 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  UCR241816  Cryptantha A. C. Sanders, Timothy W. Chumley 2013-4-2 40751 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake 396 Comment
  SBBG104073  Cryptantha angustifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12111 Riverside within 0.5 mi of McCoy Spring; alluvial slopes below and to the S and cyn bottom above the spring 243 Comment
  SEINET3083677 Image available Cryptantha angustifolia A. C. Sanders 1991-5-2 10932 San Bernardino Twentynine Palms Marine Corps Base, SW corner of base east of the intersection of Border Ave. and Reche Rd., vicinity of tortoise study plots. 823 Comment
  UCR101371  Cryptantha angustifolia A. C. Sanders, G. F. Pratt & C. L. Pierce 1997-4-6 20309 San Bernardino Northern Mojave Desert, Fort Irwin Military Reservation, alluvial slopes southwest of the Avawatz Mountains 854 Comment
  UCR139236  Cryptantha angustifolia A. C. Sanders, Kent Beaman 2004-4-21 27608 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
  UCR192513  Cryptantha angustifolia A. C. Sanders 2008-4-2 34674 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
  UCR269652  Cryptantha angustifolia A. C. Sanders, Jim Malusa, Marc A. Baker, Michelle Cloud-Hughes 2016-3-14 42189 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, c. 0.42 km north of Beal Well along old Niland-Blythe Rd. 423 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
  UCR41812  Cryptantha angustifolia A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright 1986-3-10 6249 Imperial Sonoran (Colorado) Desert, Coyote Mtns., 2.15 miles north of Hwy S-2 on dirt road 1.1 miles SE of San Diego Co. line 306 Comment
  RSA511314  Cryptantha barbigera A. C. Sanders 1988-5-11 7797 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 548 Comment
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Jun 15 2012
  SEINET998812  Cryptantha barbigera A. C. Sanders, Mark Elvin 2003-1 25894 San Bernardino Southern Mojave Desert: UC Burns Pinyon Ridge Reserve 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 (Yucca Valley North 7.5) 1250 Comment
  UCR116729  Cryptantha barbigera A. C. Sanders, P. J. MacKay 2001-4-14 24018 San Bernardino South Central Mojave Desert, Hwy 62 at Ironage Rd., east of 29 Palms on south side of Dale Dry Lake 404 Comment
  UCR116881  Cryptantha barbigera A. C. Sanders, Mark Elvin 2001-5-11 24262 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
  UCR214895  Cryptantha barbigera A. C. Sanders 2010-3-23 37533 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR86703  Cryptantha barbigera A. C. Sanders, E. A. Helmkamp, G. K. Helmkamp 1995-4-30 16774 San Bernardino Eastern San Bernardino Mtns./Mojave Desert, Morongo Valley, Little Morongo Canyon, stream crossing 1.75 miles north of Hwy 62 1000 Comment
  UCR269625  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2016-3-7 42124 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, c. 3.5 km NE (66 deg. ) of Salvation Pass well site 398 Comment
  UCR125832  Cryptantha circumscissa A. C. Sanders, Mark Elvin 2003-4-5 25936 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
  UCR119434  Cryptantha corollata A. C. Sanders, G. F. Pratt, G. R. Ballmer, J. George, et al 1997-4-25 20605 San Bernardino San Bernardino Valley, Colton Dunes, NE of E end of Santa Ana Ave., west of Colton Cement plant 299 Comment
  UCR142076  Cryptantha corollata A. C. Sanders, Mitch Provance 2003-4-2 25807 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
  UCR174573  Cryptantha corollata A. C. Sanders 2006-6-7 32723 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
  CAS-BOT-BC218862  Cryptantha costata A. C. Sanders 2010-3-15 37407 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains 152 Comment
  UCR176721  Cryptantha decipiens A. C. Sanders, K. C. Rose 1995-4-27 16732 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
  UCR20609  Cryptantha decipiens A. C. Sanders 1980-5-6 193 San Bernardino NE Mojave Desert, Kingston Range, 1.9 mi west of summit of the Excelsior Mine Rd. in the vicinity of Beck Spring 1380 Comment
  UCR41535  Cryptantha decipiens A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6049 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  SD237364  Cryptantha dumetorum A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-4 36207 San Bernardino Mojave Desert: Cady Mountains at edge of Broadwell Valley, along powerline road c. 10 mi. NE of I-40, at foot of peak 2633, N of Sleeping Beauty Mtn. 609 Comment
  SEINET3349143 Image available Cryptantha dumetorum Andrew 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
  RSA748727  Cryptantha flaccida A. C. Sanders, S. D. Boyd, et al. 1997-4-20 20538 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
  SD232625  Cryptantha ganderi A. C. Sanders, O. F. Clarke, D. Crowley, S. Brun, & D. Gries 1995-3-14 16107 San Diego Borrego Valley; along the Borrego-Salton Seaway (S-22) just S of its 90deg bend to the S just W of Clark Lake area. 174 Comment
  SD197708  Cryptantha inaequata A. C. Sanders, Jim Andre 2009-3-13 36367 San Bernardino Mojave Desert; old volcanic cinder mine site on south side of Dish Hill, north of National Trails Highway, ca. 1.0 mile northeast of East Siberia siding. 342 Comment
  IRVC27213  Cryptantha intermedia A. C. Sanders, Mark A. Elvin, et al. 2003-5-4 26514 San Diego Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail Peninsular Range 945 Comment
  SD237367  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37726 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34a^z) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 427 Comment
  UCR128583  Cryptantha intermedia A. C. Sanders 1992-5-22 12320 San Bernardino San Bernardino Mtns., east of Yucaipa, Birmingham Ranch in Water Canyon, north of Wildwood Canyon 1098 Comment
  UCR140734  Cryptantha intermedia A. C. Sanders 2004-5-11 27849 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR25080  Cryptantha intermedia A. C. Sanders 1980-7-18 1637 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR42797  Cryptantha intermedia A. C. Sanders, A. Strickland 1986-6-2 6577 San Bernardino San Bernardino Mtns., Upper Kinley Creek, along Hwy 173 (dirt) north of Lake Arrowhead, 0.6 mi. north of the Willow Creek Jeep Trail 1402 Comment
  SD164778  Cryptantha micromeres Andrew C. Sanders 2005-3-25 29306 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
  IRVC29543  Cryptantha microstachys A. C. Sanders 2003-4-29 26163 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  UCR228936  Cryptantha microstachys A. C. Sanders 2011-4-6 39004 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
  UCR75624  Cryptantha microstachys A. C. Sanders, O. F. Clarke, T. Krantz, R. F. Thorne 1993-4-27 13846 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
  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
  SD186138  Cryptantha muricata A. C. Sanders, Helen Kennedy 2005-4-13 29411 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 Comment
  UCR119284  Cryptantha muricata A. C. Sanders, D. Malueg 1998-6-22 22047 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UCR18155  Cryptantha muricata A. C. Sanders 1978-4-1 00206 Riverside Santa Rosa Mtns, Pinyon Crest, on Hwy 74 1098 Comment
  UCR18193  Cryptantha muricata A. C. Sanders 1976-8-4 00207 San Diego Peninsular Range, along Hwy 94 a few miles east of Potrero 762 Comment
  UCR28720  Cryptantha nemaclada A. C. Sanders 1982-6-20 2737 Kern S Sierra Nevada Mtns, Greenhorn Mtns., Tiger Flats Campground SE of Sunday Peak 2012 Comment
  UCR155395  Cryptantha nevadensis A. C. Sanders, T. B. Salvato 2005-5-24 30262 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
  UCR203461  Cryptantha nevadensis A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-5 36233 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
  UCR203487  Cryptantha nevadensis A. C. Sanders, Jim Andre, M. O. Bagley, et al 2009-3-10 36285 San Bernardino Mojave Desert, Cadiz Valley, wash at dirt road crossing 1.7 miles SW of Chambless, 3 miles NW of Cadiz 210 Comment
  UCR75086  Cryptantha nevadensis A. C. Sanders, E. J. Lawlor 1992-4-4 12144 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR86727  Cryptantha nevadensis A. C. Sanders, P. J. MacKay, G. K. Helmkamp, A. Knapp 1995-4-23 16704 San Bernardino San Bernardino Mtns/ Mojave Desert, Rattlesnake Canyon near Rattlesnake Spring 1220 Comment
  UCR241574  Cryptantha nevadensis var. nevadensis A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-23 40680 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, north of the old Blythe-Niland Road and south of the Bradshaw Trail, c. 3.7 km WNW of Raineys Well, just south of the Riverside Co. line 595 Comment
  UCR185567  Cryptantha nevadensis var. rigida A. C. Sanders 2007-4-25 33572 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  UCR214031  Cryptantha oxygona A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37955 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
  UCR271334  Cryptantha oxygona A. C. Sanders, Karen Kirtland 2016-5-11 42504 San Bernardino San Bernardino Mountains, Cactus Flat, So. Cal. Edison powerline route south of FS Rd. 3N62, c. 70 m east of Hwy 18 1805 Comment
  UCR116445B  Cryptantha pterocarya var. cycloptera A. C. Sanders, Mitch Provance, Tim Thomas 2001-3-16 23794 B San Bernardino Southcentral Mojave Desert, northern end of Sheep Hole Mountains, north side of Sheep Hole Pass, 1.3 mi. north of summit (microwave tower) 732 Comment
  UCR75063  Cryptantha pterocarya var. cycloptera A. C. Sanders, E. J. Lawlor 1992-4-4 12128 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SD247360  Cryptantha pterocarya var. pterocarya A. C. Sanders 1986-6-1 6536 Riverside San Jacinto Mountains; trail to Spitler Peak from Hurkey Creek Camp to Bonita Vista Road. 1835 Comment
  UCR127704  Cryptantha pterocarya var. pterocarya A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-28 17195 San Bernardino San Bernardino Mtns, Ord Mtns area, old marble mine just south of powerlines crossing road, c. 2 mi. due west of Bowen Ranch 1440 Comment
  UCR210809  Cryptantha pterocarya var. pterocarya A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-31 36731 San Bernardino Mojave Desert, along powerline route NE of Pisgah substation, south of the Cady Mountains, from where powerlines cross RR to c. 2 miles north 671 Comment
  UCR115350  Cryptantha pterocarya var. purpusii A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16293 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
  UCR116637  Cryptantha racemosa A. C. Sanders, Mitch Provance, Tim Thomas 2001-3-16 23827 San Bernardino Southcentral Mojave Desert, Sheep Hole Mountains, south side of Sheep Hole Pass, canyon east of the highway c. 0.6 mi. south of microwave tower 750 Comment
  SD247361  Cryptantha sparsiflora A. C. Sanders, Petra Wester and T. B. Salvato 2004-5-1 27735 Ventura Western Transverse Range; Cuyama Valley, mouth of Apache Canyon, 0.4 mile east of Highway 33 . 1029 Comment
  UCR205686  Cucurbita foetidissima A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36914 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  UCR20830  Cucurbita foetidissima A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1297 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 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
  UCR126696  Cuscuta californica A. C. Sanders, Andy Thomson 2003-4-15 25992 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR47252  Cuscuta californica A. C. Sanders 1987-6-10 7121 Los Angeles South Coast, Dunes at W end of the Los Angeles International Airport [LAX] 30 Comment
  RSA653582  Cuscuta campestris A. C. Sanders, D. E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23171 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  SBBG38007  Cuscuta denticulata A. C. Sanders with G. Nuhn 1995-4-20 16587 Riverside near Fan Hill, NE of Dillon Rd on an abandoned rd, below Little San Bernardino Mtns, NE of 1000 Palms 350 Comment
  UCR210932  Cuscuta denticulata A. C. Sanders, A. Howald, Brian A. Elliott, et al 2009-4-4 36772 San Bernardino Mojave Desert, Cady Mountains, along powerline route, c. 2 mi. (air) NW of Old Dominion Mine 591 Comment
  RSA750002  Cuscuta subinclusa A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35320 Orange Weir Canyon, along fire line/bulldozer cut, c. 1.5 mi. east of Walnut Cyn Reservoir 346 Comment
  UCR127691  Cuscuta subinclusa A. C. Sanders, P. J. MacKay, G. K. Helmkamp, S. D. White 1994-8-21 15340 San Bernardino San Bernardino Mtns, Forest Service Rd 1N09 (City Creek Truck Trail) in canyon of Little Mill Creek, 0.7 mi SE of Hwy 330 985 Comment
  UCR18085  Cuscuta subinclusa A. C. Sanders 1976-8-5 00287 San Diego Coastal Foothills of Peninsular Range, Sweetwater River Valley, upper Sloan Valley at the bridge 305 Comment
  UCR41416  Cylindropuntia acanthocarpa var. acanthocarpa A. C. Sanders, K. R. Neisess 1985-6-5 5820 San Bernardino Eastern Mojave Desert, Granite Mountains. Canyon below Cottonwood Spring, at junction of 3 dirt roads, 1.7 mi SW of Kelbaker Road. 1220 Comment
  SEINET7249312  Cylindropuntia munzii Andrew C. Sanders, Tim Thomas, T. B. Salvato 2012-1 Riverside Comment
  UCR224962  Cymopterus multinervatus A. C. Sanders, Ann Howald 2011-4-19 39186 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
  RSA734855  Cyperus eragrostis A. C. Sanders, Mitch Provance 2008-5-20 35400 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
  CAS-BOT-BC114417  Cyperus erythrorhizos A. C. Sanders; Oscar F. Clarke 1991-10-5 11742 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mi SE of Louis Rubidoux Nature Center. Comment
  UCR18315  Cyperus erythrorhizos A. C. Sanders 1979-10-19 00837 San Diego Tijuana River Valley in the city of Imperial Beach. River bank where it crosses Hollister Street 8 Comment
  UCR54253  Cyperus esculentus A. C. Sanders 1988-11-6 8745 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
  SD148283  Cyperus involucratus A. C. Sanders, Steve Boyd 2000-11-30 23726 Riverside San Bernardino/ upper Santa Ana River region; Box Springs Mountains foothills, Box Springs Canyon above Sheriff's Academy, north of Central Avenue. 366 Comment
  UCR90827  Cyperus involucratus A. C. Sanders, G. K. Helmkamp 1996-3-17 17981 Riverside Coachella Valley, Palm Springs, Tahquitz Canyon in vicinity of the debris basin above the W end of Sunny Dunes Road. 183 Comment
  UCR160336  Cyperus niger A. C. Sanders, Scott D. White 1994-8-25 15460 San Bernardino San Bernardino Mtns, East Fork Hemlock Creek at and above F.S. road 1N09 (City Cr. Truck Trail) 1230 Comment
  SD146115  Cyperus odoratus A. C. Sanders, Mitch Provance, et al 2000-9-27 23680 Riverside Santa Ana River Valley; southwest side of Mount Rubidoux; northwest of intersection of Tequesquite Avenue and Gregory Road; near confluence of Arroyo Tequesquite and the river . 231 Comment
  SD197602  Cyperus odoratus A. C. Sanders 2004-6-25 28307 San Diego Boden Canyon, tributary of Santa Ysabel Creek at east end of San Pasqual Valley; near the pond in middle DFG parcel. 334 Comment
  SD227679  Cyperus parishii A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22234 Riverside San Bernardino Mtns.: Morongo Indian Reservation, lower Millard Canyon 840 Comment
  UCR101430  Cyperus parishii A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22234 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  RSA554337  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-7-19 11142 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa and N of Calle del Lago 348 Comment
  UCR241544  Dalea mollis A. C. Sanders, Ann Howald 2013-2-27 40540 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR99142  Dalea mollis A. C. Sanders 1978-4-17 668 San Bernardino Mojave Desert, Pipes Wash area, north of Yucca Valley near Giant Rock 793 Comment
  UCR279407  Dasyochloa pulchella A. C. Sanders, Jim Malusa 2017-3-25 43035 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, on Niland-Blythe Rd. near top of Surveyors Pass 660 Comment
  UCR282168  Datura discolor A. C. Sanders, Jim Malusa 2017-3-26 43088 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
  SD123745  Datura quercifolia A. C. Sanders 1984-10-18 5337 Riverside Residence of Ol. F. Clarke, 1012 Spruce St. 305 Comment
  UCR37765  Daucus carota A. C. Sanders 1985-1-19 5374 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  SD148266  Daucus pusillus A. C. Sanders, Steven R. Hill 2001-5-4 24126 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Road, hills on both sides of gas pipeline route. 335 Comment
  UCR116864  Daucus pusillus A. C. Sanders, Steven R. Hill 2001-5-4 24126 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR127760  Daucus pusillus A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26295 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
  UCR87610  Daucus pusillus A. C. Sanders 1994-5-30 14599 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  IRVC29580  Deinandra fasciculata A. C. Sanders 2003-4-29 26181 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  RSA625826  Deinandra mohavensis A. C. Sanders, Steve Boyd 1998-11-22 22349 Kern [UTM 10km cell: 11S MK-1E, 5N. Short Canyon] SE Sierra Nevada Mtns.: Short Canyon, granite basin above gorge at head of main (wide and sandy) part of canyon. 1159 Comment
  CAS-BOT-BC131040  Deinandra paniculata A. C. Sanders; Chet McGaugh 1991-7-19 11155 Riverside Murrieta Hot Springs, on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 347 Comment
  SD233743  Deinandra paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intrsection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 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
  UCR193343  Delphinium parryi A. C. Sanders 2008-5-28 35432 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  UCR235066  Dendromecon rigida A. C. Sanders, Mihai Costea, T. B. Salvato, Benjamin T. Wilder 2012-5-8 40145 San Bernardino Western San Bernardino Mountains, Cajon Pass area, Cleghorn Road (dirt) above powerlines, 1.6 miles airline ENE (98 deg. ) of Cajon Junction 1120 Comment
  SBBG104101  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside western edge of Hemet, along S side of Devonshire Ave, SW of Tres Cerritos, N of St Hwy 74 460 Comment
  UCR92734  Deschampsia elongata A. C. Sanders 1994-8-7 15237 San Bernardino San Bernardino Mtns., upper (eastern) end of Bluff Lake Meadow, south of Big Bear Lake 2340 Comment
  CAS-BOT-BC226802  Descurainia pinnata A. C. Sanders; Ann Howald; O. Singh; B. Elliot; E. Laeger; C. Scott; B. Clark; et al 2011-4-22 39296 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
  UCR192642  Descurainia pinnata A. C. Sanders 2008-4-2 34672 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
  UCR194514  Descurainia pinnata A. C. Sanders, Jim Andre, M. O. Bagley, A. Howald, et al 2008-3-19 34449 San Bernardino Eastern Mojave Desert, Ivanpah Valley near foot of Clark Mtn., just north of Antimony Gulch Wash and c. 2.2 mi. SE of Ivanpah Springs 1098 Comment
  UCR225490  Descurainia pinnata A. C. Sanders, Ann Howald, O. Singh, B. Elliott, E. Laeger, C. Scott, B. Clark 2011-4-20 39205 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
  UCR241149  Descurainia pinnata A. C. Sanders, Ann Howald, Onkar Singh, Amy Hiss 2013-3-12 40602 San Bernardino NE Mojave Desert, Mesquite Valley, NW of Mesquite Dry Lake, Palm Rd. 1.65 km W of Cub Lee Well, south of Sandy Valley, NV 781 Comment
  UCR270765  Descurainia pinnata A. C. Sanders, Karen Kirtland 2016-4-20 42427 San Bernardino San Bernardino Mtns., Cushenbury Canyon, off Hwy 18 along FS Rd. 3N61 (Jacoby Canyon Rd.), under SCE powerline at pole 89480 1841 Comment
  SEINET3507450 Image available Descurainia sophia A. C. Sanders 1987-4-4 7001 San Bernardino Hart Mine, SW end of the Castle Mountains, E Mojave Desert. (Sec. 24, except where noted). Castle Peak Quad. Comment
  UCR112760  Dicentra chrysantha A. C. Sanders, P. J. MacKay, Tim Thomas, G. F. Pratt, C. Pierce 1997-10-12 21579 Inyo Northern Mojave Desert, China Lake Naval Weapons Station, Coso Range, Wildhorse Canyon near Wildhorse Spring, c. 3/4 mi. (airline) west of Silver Peak in major N-S draining canyon 2134 Comment
  UCR136994  Dicentra chrysantha A. C. Sanders 2004-6-25 28251 San Diego Peninsular Range, Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along road in upper DFG parcel 488 Comment
  UCR158262  Dichelostemma capitatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30117 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
  SD167337  Digitaria ciliaris var. ciliaris A. C. Sanders, T. B. Salvato 2005-10-7 31780 San Diego South Coast: Buena Vista Lagoon Ecological Reserve, Oceanside, northwest side of lagoon near Audubon Nature Center at Hill St./Carlsbad Blvd., San Luis Rey 7.5A quad in disturbed soil beside Nature Center garden and marsh. Comment
  RSA563849  Digitaria ischaemum A. C. Sanders 1993-9-5 14209 San Bernardino Yucaipa: Yucaipa Regional Park., (34 deg 03'N, 117 deg 03'W.) 762 Comment
  UCR48959  Digitaria sanguinalis A. C. Sanders 1987-7-22 7167 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  CDA4511  Dimorphotheca sinuata A. C. Sanders 2003-3-29 25786 San Bernardino San Bernardino Mtns.; Mill Creek Canyon, at foot of Morton Peak Road. Comment
  SD193363  Diplacus X australis A. C. Sanders 2005-6-2 30424 San Diego Plaisted Creek Ecological Reserve, northeast of Rincon and Pauma Valley. 701 Comment
  SD197922  Diplacus brevipes A. C. Sanders 2004-6-25 28241 San Diego Boden Canyon, tributary of Santa Ysabel Creek at east end of San Pasqual Valley along road in upper DFG parcel. 395 Comment
  SD173568  Diplacus puniceus Andrew C. Sanders 2004-4-23 27636 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
  RSA682566  Diplotaxis muralis A. C. Sanders 2002-11-17 25624 Riverside San Bernardino/Santa Ana River Valley Region: Riverside, UCR Botanical Garden, near the west fence above the Latin American section. 366 Comment
  UCR112924  Distichlis spicata A. C. Sanders, Steve Boyd 1997-4-20 20514 Kern Hills S of the San Joaquin Valley, San Emigdio Ranch, San Emigdio Creek Canyon 3 miles due south of ranch headquarters at junction with dirt road to the west 686 Comment
  UCR116682  Distichlis spicata A. C. Sanders, Chet McGaugh 2001-7-26 24474 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR121096  Distichlis spicata A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24966 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR125175  Distichlis spicata A. C. Sanders, Mark Elvin 2002-6-25 25295 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR245108  Ditaxis lanceolata A. C. Sanders, T. B. Salvato, Andrew Trouette, Rob Shoener 2012-8-22 40377 Imperial Sonoran (Colorado) Desert, along BLM Rd. 552, 0.3 mi. south of BLM Rd. 549 (old Niland-Blythe Rd.), 1 mi. WSW (264 deg. ) of Rainey's Well 556 Comment
  UCD142308  Ditaxis neomexicana A. C. Sanders; Mitch Provance, Petra Wester 2004-5-30 28069 San Bernardino Mojave Desert; SE end of Bristol Mountains, 4 miles NE of Amboy. 250 Comment
  RSA734818  Dithyrea californica A. C. Sanders 2008-4-2 34669 San Bernardino 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
  UCR241538  Dithyrea californica A. C. Sanders, Ann Howald 2013-2-28 40577 Imperial Sonoran (Colorado) Desert, along dirt track 1.03 km due north of Hwy 98, track joins Hwy c. 9.9 km west of Mt. Signal at Brockman Rd., 0.8 mi. from hwy via the track 30 Comment
  UCR85252  Dithyrea californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16186 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  OBI30963  Dodecatheon clevelandii subsp. clevelandii A. C. Sanders, D. Emery & M. Beauchamp, M. Beauchamp 1982-3-19 2410 San Diego Otay Mtn, lower slopes along the rd above Pio Pico Park 305 Comment
  SD262243  Draba cuneifolia A. C. Sanders, Jim Malusa 2017-3-9 42768 Imperial Sonoran (Colorado) Desert: plateau above the slot canyon at the head of Mammoth Wash, Chocolate Mountains. 502 Comment
  SEINET3828535  Drymocallis glandulosa A. C. Sanders, John F. Green 2012-1 40351 San Bernardino San Bernardino Mtns.: Crestline, on ridge overlooking Lake Gregory, between Lakeview Dr., 3.8 acre parcel proposed for construction of municipal water tank, just W of existing tanks. (San Bernardino North 7.5') 1577 Comment
  SD173300  Dryopteris arguta Andrew C. Sanders 2004-7-2 28443 San Diego Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along road in upper DFG parcel 366 Comment
  UCR160333  Dryopteris arguta A. C. Sanders, Scott D. White 1994-8-25 15453 San Bernardino San Bernardino Mtns, Middle Fork Creek (tributary of Alder Cr.) at and above F.S. road 1N09 (City Cr. Truck Trail) 1125 Comment
  UCR83738  Dudleya cymosa subsp. pumila A. C. Sanders, P. J. MacKay 1994-6-19 14807 San Bernardino San Bernardino Mtns., lower Miller Canyon (E fork of W fork of Mojave River), below Pilot Rock Camp 1128 Comment
  UCR127469  Dudleya lanceolata A. C. Sanders, Tricia Wotipka 2003-5-14 26637 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 Comment
  UCR127653  Dudleya lanceolata A. C. Sanders, Mark Elvin 2002-6-18 25133 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  UCR205533  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2009-5-29 37036 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  RSA732271  Dudleya multicaulis A. C. Sanders 2008-4-29 35129 Orange 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
  UCR128586  Dudleya saxosa A. C. Sanders, O. F. Clarke & CNPS Fld. Trip 1992-5-9 12272 San Bernardino San Bernardino Mtns./Mojave Desert, mouth of Burns Canyon, 0.5 mi. west of end of pavement near Rimrock 1463 Comment
  RSA0047811  Dysphania pumilio A. C. Sanders 2013-7-6 40841 Riverside Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  RSA713227  Dyssodia cooperi A. C. Sanders, Mitch Provance, Petra Wester 2004-5-30 28001 San Bernardino Mojave Desert: Powerline road from Pisgah to Lucerne Valley, north end of Lava Bed Mtns., 2 km south of Silver Cliffs Mine. 1098 Comment
  LA106036  Echinochloa colona A. C. Sanders; 1988-11-6 8749 Imperial Imperial Vallye bettween Brawley and Westmoreland E side of Hwy 86 at intersection with Kalin Rd and Tamarack Canal crossing, 1.6 mi NW of the New River crossing at Brawley -10 Comment
  SD173342  Echinochloa crus-galli Andrew C. Sanders 2004-7-2 28446 San Diego Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; around pond in middle DFG parcel 320 Comment
  UCR124330  Echinochloa crus-galli A. C. Sanders 1986-9-12 6958 Kern San Joaquin Valley, Twisselman Road at Interstate Hwy 5, 4.9 mi south of Kings County line 67 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
  CAS-BOT-BC197300  Ehrharta erecta A. C. Sanders; P. J. MacKay; D. L. Sanders 2003-1-25 25681 San Bernardino San Bernardino Mtns.: Cajon Pass at Cajon Junction, Hwy 138 at I-15, along old highway (now frontage road) near mouth of Crowder Canyon 915 Comment
  UCR110882  Ehrharta erecta A. C. Sanders 1998-10-10 22258 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
  UCR117115  Ehrharta erecta A. C. Sanders, D. Malueg 2001-5-17 24345 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
  UCR91011  Ehrharta erecta A. C. Sanders, O. F. Clarke 1996-2-17 17952 Riverside O.F. Clarke residence on 1012 Spruce Street [now the site of an apartment complex, 2001]. 305 Comment
  UCR155152  Elatine brachysperma A. C. Sanders, Kelly Volansky 2005-3-17 29198 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
  UCR193790  Eleocharis A. C. Sanders, Fred M. Roberts 2008-7-3 35701 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
  UCR155348  Eleocharis macrostachya A. C. Sanders 2005-5-11 30135 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
  UCR214610  Eleocharis macrostachya A. C. Sanders, Dan S. Cooper 2010-3-12 37350 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR83632  Eleocharis macrostachya A. C. Sanders, P. J. MacKay 1994-6-19 14910 San Bernardino San Bernardino Mountains, Kinley Creek above the Hwy 173 bridge, toward the Pinnacles 1250 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
  UCR83046  Elodea canadensis A. C. Sanders, P. J. MacKay, G. K. Helmkamp, S. D. White 1994-8-21 15354 San Bernardino San Bernardino Mtns, Arrowbear Lake, in community of same name, east of Running Springs 1890 Comment
  UCR125561  Elymus condensatus A. C. Sanders 2003-5-22 26820 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
  SD167334  Elymus glaucus A. C. Sanders 2005-6-2 30399 San Diego Peninsular Range: Palomar Mtn., Plaisted Cr.Ecological Reserve, NE of Rincon & Pauma Valley, between Plaisted Cr. & Hwy 76, SE lobe of reserve near residences abandoned in 1996 in open understory of oak forest (IPB 2/07) 701 Comment
  SD234241  Elymus glaucus A. C. Sanders 2003-5-1 26249 Los Angeles Western San Gabriel Mtns.: SE side of Castiac Mesa, east of Lake Hughes Rd., and the filtration plant, Newhall Ranch (Newhall 7.5' Q) 395 Comment
  UCR184510  Elymus glaucus A. C. Sanders, Mitch Provance 2007-5-31 34027 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
  UCR82725  Elymus glaucus subsp. glaucus A. C. Sanders 1994-8-7 15225 San Bernardino San Bernardino Mtns., along Metcalf Creek, 1.65 mi above Tulip Lane on Mill Creek Road, south of Big Bear Lake 2240 Comment
  UCR24986  Elymus hispidus A. C. Sanders 1980-7-18 1677 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
  UCR93614  Elymus ponticus A. C. Sanders, D. E. Bramlet, M. Jacobsmyer, Harry Spilman 1996-8-17 19470 San Bernardino San Bernardino Mtns, Coxey Meadow 1707 Comment
  UCR126415  Elymus trachycaulus A. C. Sanders, E. J. Lawlor, P. MacKay, C. L. Sanders 1995-6-24 17415 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
  SEINET6657099  Elymus triticoides A. C. Sanders, P. J. MacKay; Scott D. White; C. L. Sanders 1994-9-18 15692 San Bernardino San Bernardino Mountains: Seven Oaks along the Santa Ana River at the confluence with Hamilton Creek (Big Bear Lake 7.5' Q.); 0 1590 Comment
  SD186239  Emmenanthe penduliflora A. C. Sanders, Mitch Provance 2003-4-2 25792 San Bernardino Cajon Pass, Cleghorn Road on northeast side of I-15, near Cajon. 929 Comment
  UCR158071  Emmenanthe penduliflora A. C. Sanders, K. C. Rose, Y. Moore 1998-6-3 21924 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
  UCR184026  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato, Mitch Provance 2007-5-15 33806 Kern Tehachapi Mountains, steep SW-facing slopes above Crane Canyon, c. 1 mile SE of Castac Lake 1250 Comment
  UCR279563  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-29 43167 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash just above confluence with Salt Creek 338 Comment
  UCR279566  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-29 43174 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UCR279586  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-28 43145 B 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
  VVC253  Emmenanthe penduliflora A. C. Sanders, J. Mac 1997-5-4 20651 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  CAS-BOT-BC226824  Encelia californica A. C. Sanders; T. B. Salvato 2012-4-27 40090 Riverside Peninsular Range; Santa Ana Mtns.: Region: Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  RSA643683  Encelia californica A. C. Sanders, J. C. Lyman 1995-4-14 16524 San Bernardino Fontana: Jurupa Hills at Jurupa Hills Regional Park, W of Sierra Ave. 365 Comment
  RSA734018  Encelia californica A. C. Sanders, Linda Farley, Fred M. Roberts, David 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. 366 Comment
  RSA734683  Encelia californica A. C. Sanders, Fred M. Roberts 2008-5-6 35216 Orange Lomas de Santiago, lower Hicks Canyon near Irvine Ranch gate and road junction to cement plant 180 Comment
  UCR104892  Encelia californica A. C. Sanders, O. F. Clarke 1997-5-4 20672 Riverside Beaumont, near railroad on east side of Hwy 79, south of Hwy I-10 793 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
  UCR41600  Encelia farinosa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6032 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR85093  Encelia frutescens A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16055 Imperial Sonoran (Colorado) Desert, Salton Sink; Travertine Point, W side of Hwy 86 just south of the Riverside County line -31 Comment
  UCR262466  Enchylaena tomentosa A. C. Sanders 2015-6-27 41744 Riverside Peninsular Range, Riverside; former O.F. Clarke residence, 266 Frost Court; east edge of UCR campus Comment
  RSA0112631  Ephedra californica A. C. Sanders, Ann Howald, Chloe Scott, Onkar Singh, Bill Clark, Eve Laeger, Florence Caplow, Josh Utter 2012-4-19 40073 San Bernardino Eastern Mojave Desert: Kingston Wash 8.7 miles SW of Exselsior Mine Rd. along a dirt road, south foot of the Kingston Range. 762 Comment
  UCR240047  Ephedra californica A. C. Sanders, Chika Mori 2011-6-15 39665 Riverside Sonoran (Colorado) Desert, NW Coachella Valley, Worsley Rd. 0.1 mile above North Indian Dr., at mouth of Dry Morongo Canyon, just east of Hwy 62 534 Comment
  IRVC28982  Ephedra fasciculata A. C. Sanders, E. J. Lott 1993-5-30 14117 San Bernardino Cornfield Spring Canyon, W slope of Providence Mtns., 4 mi SE of Kelso East Mojave Desert 915 Comment
  UCR192234  Ephedra funerea A. C. Sanders 2008-4-2 34689 San Bernardino Eastern Mojave Desert, Ivanpah Valley, alluvial slopes along powerline road from Primm to Keaney Pass, c. 1 mile NNW of Primm and 0.03 mi. west of NV state line 816 Comment
  RSA713326  Ephedra nevadensis A. C. Sanders, Mitch Provance, Petra Wester 2004-5-30 28017 San Bernardino Mojave Desert: Powerline road from Pisgah to Lucerne Valley, north end of Lava Bed Mtns., 2 km south of Silver Cliffs Mine. 1098 Comment
  UCR270543  Ephedra nevadensis A. C. Sanders, Karen Kirtland 2016-4-27 42441 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
  CAS-BOT-BC248309  Ephedra torreyana A. C. Sanders; Onkar Singh; Josh Utter; Chloe Scott; Bill Clark 2011-5-4 39406 Inyo NE Mojave Desert: Pahrump Valley, near Calvada Springs, 2.8 km north of Old Spanish Trail Hwy, 0.2 km west of Opal St., between Ave. B & C, N of Mesquite Valley Rd. 782 Comment
  SEINET4560801  Ephedra trifurca A. C. Sanders, Chika Mori 2011-1 39664 Imperial Sonoran (colorado) Desert: Salton Basin, East Mesa, Hwy 78 at Whitlock Rd., 0.35 km east of Highline Canal 8 Comment
  RSA505049  Ephedra viridis A. C. Sanders, F. C. Vasek, C. Sylber 1989-3-24 9044 San Bernardino Twentynine Palms Marine Corps Base, mountain top near VABM 4187 ''Bullion,'' ca. 2.5 km NE of Cleghorn Pass. On bouldery flat just E of summit. 1271 Comment
  SD146122  Ephedra viridis A. C. Sanders, Ed LaRue 1997-4-24 20601 San Bernardino San Bernardino Mountains: BLM land on north side of peak 5524 near round Mtn, northwest of the Partin Brothers (Lester) Mine at Terrace Spring 1463 Comment
  UCR185587  Ephedra viridis A. C. Sanders 2007-4-25 33580 Los Angeles Tehachapi Mtns., Oso Canyon, 0.25 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1159 Comment
  IRVC28557  Epilobium canum A. C. Sanders 2003-8-5 27109 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  RSA667310  Epilobium canum subsp. garrettii A. C. Sanders, Mark A. Elvin 2001-8-3 24585 San Bernardino Clark Mountain, Fir Canyon on north side, 1-2.2 km above Green s Well Rd. 1585 Comment
  UCR195004  Epilobium ciliatum A. C. Sanders, Fred M. Roberts 2008-8-7 35989 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
  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
  UCR93440  Epilobium ciliatum A. C. Sanders, P. McKay, G. K. Helmkamp, C. L. Sanders 1994-8-14 15313 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
  UCR25051  Epilobium glaberrimum A. C. Sanders 1980-8-23 1749 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR83628  Epilobium torreyi A. C. Sanders, P. J. MacKay 1994-6-19 14915 San Bernardino San Bernardino Mountains, Kinley Creek above the Hwy 173 bridge, toward the Pinnacles 1250 Comment
  RSA754075  Epipactis gigantea A. C. Sanders, Fred M. Roberts 2008-7-16 35844 Orange Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin 391 Comment
  UCR193837  Epipactis gigantea A. C. Sanders, Fred M. Roberts 2008-7-16 35844 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Dripping Springs off Limestone Canyon, c. 7.5 mi. ESE of Tustin 391 Comment
  UCR197700  Eragrostis A. C. Sanders, Fred M. Roberts 2008-9-18 36091 Orange Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, Santiago Creek Canyon c. 0.5-0.8 miles above the highway bridge 300 Comment
  UCR83054  Eragrostis cilianensis A. C. Sanders, P. J. MacKay, G. K. Helmkamp, S. D. White 1994-8-21 15349 San Bernardino San Bernardino Mtns, Arrowbear Lake, in community of same name, east of Running Springs 1890 Comment
  SD234547  Eragrostis hirsuta A. C. Sanders, Kerry Knudsen, J. R. Ekhoff 2004-7-9 28500 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 (Boucher Hill 7.5' Q). 701 Comment
  UCR26399  Eragrostis mexicana subsp. virescens A. C. Sanders 1981-4-21 2086 Ventura Oxnard. Abandoned windbreak in an agricultural area near town, off Rice Rd. near Hwy 101 23 Comment
  UCR99732  Eragrostis mexicana subsp. virescens A. C. Sanders, T. Schram, D. Wappler 1994-8-30 15516 San Bernardino San Bernardino Mtns, Deep Creek at and above jeep trail to Bacon Flats, north of Lake Arrowhead 1295 Comment
  IRVC27681  Eragrostis pectinacea var. pectinacea A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15770 Riverside N slope of mtns.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing San Jacinto Mtns. 854 Comment
  UCR68970  Eremalche exilis A. C. Sanders 1991-5-6 10952 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
  UCR41748  Eremalche rotundifolia A. C. Sanders, D. Charlton, B. Pitzer, , J. Kniffen, R. Kniffen, W. W. Wright, Howie Weir, D. E. Bramlet 1986-3-8 6179 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
  RSA628827  Eremocarpus setiger A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22229 Riverside Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  IRVC28554  Eremocarpus setigerus A. C. Sanders 2003-8-5 27106 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  UCR279372  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-24 42956 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UCR279399  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-25 43024 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, on dirt track from Bradshaw Trail to old Niland-Blythe Rd., 0.65 km south of the Riverside Co. line 610 Comment
  SD173530  Eriastrum filifolium Andrew C. Sanders 2004-4-23 27630 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
  UCR174378  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32626 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
  UCR139612  Eriastrum sapphirinum A. C. Sanders 2004-7-1 28385 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
  UCR271507  Eriastrum signatum A. C. Sanders, Karen Kirtland 2016-6-3 42537 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
  UCD131403  Ericameria linearifolia A. C. Sanders; Ed LaRue 1997-4-24 20600 San Bernardino BLM land on N side of peak 5524 near Round Mountain, NW of the Partin Bros. (Lester) Mine at Terrace Springs, NE end of S.B. Mountains. 1463 Comment
  UCR101344  Ericameria linearifolia A. C. Sanders 1997-3-22 20077 San Bernardino San Bernardino Mountains, along the Pacific Crest Trail southwest of Grass Valley Creek 1037 Comment
  UCR51001  Ericameria linearifolia A. C. Sanders, E. J. Lawlor 1988-4-3 7740 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
  IRVC28596  Ericameria palmeri var. pachylepis A. C. Sanders, Mark Elvin 2002-6-19 25194 B Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  UCR141252  Ericameria palmeri var. pachylepis A. C. Sanders, Kelly Volansky 2004-10-6 28818 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  SD167242  Ericameria palmeri var. palmeri Andrew C. Sanders 2005-10-14 31890 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
  UCR127174  Ericameria pinifolia A. C. Sanders, Mark A. Elvin 2003-6-20 27006 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  UCR44844  Ericameria pinifolia A. C. Sanders 1986-10-21 6966 San Bernardino San Bernardino Valley, Cajon Creek, 2-3 mi. SE of Devore, east of Verdemont Ranch Road & north of Institution Road. 549 Comment
  SD173380  Erigeron bonariensis Andrew C. Sanders 2005-6-22 31157 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
  UCR130886  Erigeron foliosus A. C. Sanders, Mitch Provance 1999-6-28 22956 Ventura Simi Valley, Marr Ranch, west end of ranch off Tapo Canyon 396 Comment
  UCR158318  Erigeron foliosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30049 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
  UCR235212  Erigeron foliosus A. C. Sanders, John F. Green 2012-7-6 40319 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
  UCD119323  Eriodictyon trichocalyx A. C. Sanders; P. J. MacKay,Tim Thomas,Mitch Provance,Petra Wester 2004-6-12 28163 San Bernardino San Bernardino Mtns.: Smart's Ranch Road (FS 3N03) at entrance to Smart's Ranch, SE end of Lone Valley. 1798 Comment
  IRVC27216  Eriodictyon trichocalyx subsp. lanatum A. C. Sanders, Mark A. Elvin, et al. 2003-5-4 26517 San Diego Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail Peninsular Range 945 Comment
  UCR127711  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, SW edge of Newhall Ranch 884 Comment
  UCR176980  Eriogonum apiculatum A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15823 San Bernardino San Bernardino Mtns., Pipes Canyon, lower part of canyon from the gauging station upstream c. 1 mile 1402 Comment
  IRVC28799  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2003-8-7 27172 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  UCR127656  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2003-8-7 27172 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 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
  RSA0012231  Eriogonum bifurcatum A. C. Sanders, A. Howald, Onkar Singh, Chloe Scott, Eve Laeger, Russell Kokx, Bill Clark 2010-10-27 38671 Inyo Pahrump Valley, south of Calvada Springs on Rose Ave., south of the last houses and 0.31 mi. S of Moon Path Lane 798 Comment
  RSA0012236  Eriogonum bifurcatum A. C. Sanders, A. Howald 2010-9-22 38625 Inyo 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
  UCD99722  Eriogonum brachyanthum A. C. Sanders; P. J. MacKay, Tim Thomas, G. F. Pratt, C. Pierce 1997-10-12 21585 Inyo Northern Mojave Desert; China Lake Naval Weapons Station, Argus Range, Bircham Springs Picnic Area. 1692 Comment
  UCR219977  Eriogonum brachypodum A. C. Sanders 2010-10-27 38682 Inyo Northeastern Mojave Desert, Emigrant Pass over the south end of the Nopah Range, along Old Spanish Trail Hwy 875 Comment
  CAS-BOT-BC433215  Eriogonum callistum A. C. Sanders; Mitch Provance 2007-6-29 34274 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
  UCR17823  Eriogonum cinereum A. C. Sanders 1976-3-10 550 Los Angeles Southern coast, Palos Verdes Peninsula Comment
  UCR93669  Eriogonum davidsonii A. C. Sanders, Bramlet, Jacobsmyer & Spilman 1996-8-17 19452 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
  UCR279443  Eriogonum deflexum A. C. Sanders, Jim Malusa 2017-3-26 43077 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
  UCR42581  Eriogonum deflexum A. C. Sanders, B. Pitzer 1986-5-21 6591 San Bernardino Mojave Desert, Newberry Mtns, proposed Santa Fe Railroad Quarry, c. l mi. south of town of Newberry Springs 856 Comment
  UCR41757  Eriogonum deserticola A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright 1986-3-10 6268 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
  UCR115987  Eriogonum fasciculatum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23282 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  RSA734991  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Fred M. Roberts, Amber O'Neal 2008-5-9 35286 Orange Weir Canyon, along old dirt road c. 1.1 mi. E of Walnut Cyn Reservoir. 300 Comment
  SEINET6418376  Eriogonum fasciculatum subsp. foliolosum Andrew 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 488 Comment
  SEINET8043947 Image available Eriogonum fasciculatum subsp. polifolium A. C. Sanders, Mitch Provance 2015-1 41702 Kern Tehachapi Mountains: Brite Valley, along CA Hwy 202 (West Valey Blvd.), 0.42-0.88 km SE of Tamaron Dr., 1.9 air km north of Brite Lake. 1329 Comment
  UCR192719  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, Mike Misenhelter 2008-6-10 35452 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  UCR117063  Eriogonum fasciculatum var. flavoviride A. C. Sanders, Mark Elvin 2001-5-11 24265 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
  UCR136818  Eriogonum fasciculatum var. foliolosum A. C. Sanders, Petra Wester 2004-5-21 27946 San Diego South Coast, Carlsbad, Agua Hedionda Ecological Reserve, off Park St. east of Neblina 3 Comment
  UCR20499  Eriogonum glandulosum A. C. Sanders 1978-5-31 552 Inyo Northern Mojave Desert, Death Valley region, pass above Saline Valley 4.5 mi west of the racetrack, 3.5 mi south of Ubehebe Peak 1098 Comment
  SD186297  Eriogonum gracile Andy C. Sanders, Mike Misenhelter 2005-6-15 30971 Riverside Sage-Aguanga Region; 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Road at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit 640 Comment
  UCR142630  Eriogonum gracile A. C. Sanders, Kerry Knudsen 2004-10-15 28880 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
  UCR174514  Eriogonum gracile A. C. Sanders 2006-6-5 33117 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
  UCR193878  Eriogonum gracile A. C. Sanders, Mitch Provance 2008-7-11 35793 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
  SD148092  Eriogonum maculatum Andy C. Sanders 1995-5-28 17134 San Bernardino San Bernardino Mtns.: Ord Mtns. Area on N slope, 0.5 mi. of Bowen Ranch, S of Juniper Flats 1402 Comment
  UCR114519  Eriogonum maculatum A. C. Sanders, P. J. MacKay, Archie Meyer 1995-6-11 17325 San Bernardino San Bernardino Mtns, Mound Spring, 2 mi east of Tip Top Mtn 1665 Comment
  SD262358  Eriogonum microthecum var. corymbosoides A. C. Sanders, Mark Bibbo, Morgan King, Stephanie Hines 2017-5-24 43231 San Bernardino San Bernardino Mountains: Holcomb Valley, along SCE powerline NNE of FS Rd. 3N16 intersection with 3N12. 2227 Comment
  UCR94187  Eriogonum microthecum var. simpsonii A. C. Sanders, S. White & L. Lubinsky 1996-9-1 19510 San Bernardino San Bernardino Mtns., Pacific Crest Trail from Mission Springs to Onyx Summit 2561 Comment
  UCSB39359  Eriogonum mohavense Sanders, R. 1977-5-15 San Bernardino 5 mi NW of summit of Clark Mtn 1524 Comment
  SD143782  Eriogonum molestum Andy C. Sanders, P. MacKay 1994-6-12 14755 San Bernardino San Bernardino Mountains; Cleghorn Ridge, along FS Road 2N47 between FS Road 3N22 and Hwy 138 near Silverwood Lake, 1.75 mi. up from 3N22 Comment
  RSA752815  Eriogonum nudum subsp. pauciflorum A. C. Sanders, Tim Thomas 2008-8-1 35934 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCR234789  Eriogonum nummulare A. C. Sanders, Ann Howald 2012-6-20 40287 Mono Mono Basin, East of Sierra Nevada Mtns., NE of Mono Lake, intersection of Dobie Meadows Rd. (to Alameda Well) and Hwy 167 2069 Comment
  RSA781238  Eriogonum parvifolium A. C. Sanders, Dan S. Cooper 2010-3-12 37347 Los Angeles South Coast: Madrona Marsh, Torrance. 24 Comment
  CAS-BOT-BC175202  Eriogonum pusillum A. C. Sanders; Petra Wester 2004-6-11 28128 San Bernardino San Bernardino Mtns.: Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR114509  Eriogonum pusillum A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-21 17088 San Bernardino San Bernardino Mtns, Coxey Road, 0.4 mi. above turnoff to Oak Spring, wash below Rattlesnake Spring 1600 Comment
  UCR139255  Eriogonum pusillum A. C. Sanders, Petra Wester 2004-6-11 28128 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR215048  Eriogonum reniforme A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-4 38249 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
  UCR185416  Eriogonum roseum A. C. Sanders, Mitch Provance 2007-6-28 34255 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
  RSA733355  Eriogonum saxatile A. C. Sanders, Kent Beaman, T. B. Salvato 2006-9-8 33152 San Bernardino East of Running Springs School Rd. at the SE edge of Running Springs, south of Hwy 18 near Seymour Flat 1890 Comment
  HSC79212  Eriogonum thomasii A. C. Sanders 1985-3-24 5407 Riverside Coachella Valley, on floor of Box Canyon 9 mi. NE of Mecca on Hwy. 195 122 Comment
  OBI38386  Eriogonum thomasii A. C. Sanders, Pitzer, Charlton, Kniffen, Weir, Bramlett, et al 1986-3-9 6210 Imperial Coyote Mts, Fossil Cy, 3.3 mi N of Imperial hwy (S-2) at Ocotillo, on Shell Cyn Rd 305 Comment
  UCR163924  Eriogonum thomasii A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29130 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR214878  Eriogonum thomasii A. C. Sanders 2010-3-23 37552 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR279401  Eriogonum trichopes A. C. Sanders, Jim Malusa 2017-3-25 43022 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
  CAS-BOT-BC264879  Eriogonum viridescens Andrew C. Sanders; John Wear; Nathan Moorhatch; Tish Bennett 1995-5-31 17205 San Bernardino Mouth of Cushenbury Canyon, ridges and canyons just S of the Mitsubishi lime plant, San Bernardino Mtns. 1584 Comment
  UCR109455  Eriogonum wrightii var. nodosum A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19658 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  UCR281864  Eriogonum wrightii var. nodosum A. C. Sanders, Jim Malusa 2017-9-19 43337 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 5 km SW (214 deg. ) of Tabaseca Tank 767 Comment
  UCR112746  Eriogonum wrightii var. subscaposum A. C. Sanders, P. J. MacKay, Tim Thomas, G. F. Pratt, C. Pierce 1997-10-11 21556 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
  UCR120551  Erioneuron pulchellum A. C. Sanders, Pam MacKay, Tim Thomas 1999-8-14 23052 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
  UCR82848  Erioneuron pulchellum A. C. Sanders, P. J. MacKay 1994-10-2 15734 San Bernardino San Bernardino Mtns/Mojave Desert, Two Hole Spring near Rattlesnake Canyon [at the foot of the range near Johnson Valley] 1162 Comment
  UCR101341  Eriophyllum ambiguum A. C. Sanders, G. F. Pratt & C. L. Pierce 1997-4-5 20190 San Bernardino Northern Mojave Desert, 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 1524 Comment
  IRVC26190  Eriophyllum confertiflorum A. C. Sanders, Mark A. Elvin 2003-6-18 26949 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
  IRVC27220  Eriophyllum confertiflorum A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26461 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
  UCR130883  Eriophyllum confertiflorum A. C. Sanders, Mitch Provance 1999-6-28 22961 Ventura Simi Valley, Marr Ranch, west end of ranch off Tapo Canyon 396 Comment
  UCR174109  Eriophyllum confertiflorum A. C. Sanders 2006-5-19 32453 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
  UCR184272  Eriophyllum confertiflorum A. C. Sanders, T. B. Salvato 2007-6-6 34078 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
  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
  UCR18336  Eriophyllum lanosum A. C. Sanders, R. Twitchell 1978-4-7 108 San Bernardino Eastern Colorado Desert, Chemehuevi Valley, 5 miles SW of Havasu Lake, along Chemehuevi Wash near West Well 232 Comment
  UCR279417  Eriophyllum lanosum A. C. Sanders, Jim Malusa 2017-3-25 42993 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
  UCR86699  Eriophyllum pringlei A. C. Sanders, G. K. Helmkamp, E. A. Helmkamp 1995-4-30 16833 San Bernardino San Bernardino Mtns, Rimrock, 4.1 miles north of Pioneertown, dirt track west from Rimrock Road, south of Burns Canyon 1372 Comment
  SBBG120008  Erodium brachycarpum A. C. Sanders with M. Misenhelter 2005-3-23 29247 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  UCR225596  Erodium brachycarpum A. C. Sanders, T. B. Salvato 2011-3-29 38878 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 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
  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
  UCR158513  Erodium moschatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30025 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-BC403097  Eschscholzia californica A. C. Sanders; S. D. Boyd; et al 1997-4-20 20521 Kern Hills S of the San Joaquin Valley: San Emigdio Ranch, San Emigdio Creek Canyon 3 miles due south of ranch headquarters at junction with dirt road to the west. 686 Comment
  UCR17854  Eschscholzia glyptosperma A. C. Sanders 1976-4-28 474 San Bernardino Eastern Mojave Desert, Near Kelso 671 Comment
  UCR203806  Eschscholzia glyptosperma A. C. Sanders 2009-3-15 36414 B 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
  UCR135891  Eschscholzia minutiflora A. C. Sanders, Mitch Provance, Petra Wester 2004-5-30 28064 San Bernardino Mojave Desert, SE end of Bristol Mountains, 4 miles NE of Amboy 300 Comment
  UCR269772  Eschscholzia minutiflora A. C. Sanders, Jim Malusa 2016-3-15 42260 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
  UCR205624  Eucalyptus A. C. Sanders, T. B. Salvato 2009-5-21 36890 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
  CDA5165  Eucalyptus camaldulensis A. C. Sanders 2004-5-7 27789 San Diego South Coast; Carlsbad, Agua Hedionda Ecological Reserve, near Laguna Riviera Park, off Park St. near roadside and along hiking trail SE of the park Comment
  RSA0010855  Eucalyptus camaldulensis A. C. Sanders 1998-3-11 21656 Riverside Shipley/Skinner Reserve: SW of Crown Valley in upper Rawson Canyon area 595 Comment
  SD212665  Eucalyptus camaldulensis Andrew C. Sanders 2004-11-12 29034 San Diego San Elijo Lagoon, SE arm near intersection of La Orilla and El Camino Real Quad: Rancho Santa Fe 7.5A Q. 3 Comment
  UCR133166  Eucalyptus camaldulensis A. C. Sanders 1992-1-26 12012 San Bernardino San Bernardino Valley, Ontario, north side of Holt Blvd., just east of 'D' Street and just north of the Ontario Airport 296 Comment
  UCR152503  Eucalyptus camaldulensis A. C. Sanders 2005-4-8 29404 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
  UCR72396  Eucalyptus camaldulensis A. C. Sanders 1986-1-4 5974 San Bernardino San Bernardino Valley, San Timoteo Canyon, south of Redlands, 1.2 mi west of Allesandro Road 351 Comment
  UCR75809  Eucalyptus camaldulensis A. C. Sanders 1992-1-26 12015 San Bernardino San Bernardino Valley, Ontario, north side of Holt Blvd., just east of 'D' Street and just north of the Ontario Airport 296 Comment
  UCR214595  Eucalyptus camaldulensis var. camaldulensis A. C. Sanders, Dan S. Cooper 2010-4-30 38139 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SEINET237965 Image available Eucalyptus rudis A. C. Sanders 1998-1 21649 Riverside Lake Skinner area: along old Rawson Rd. at N edge of Crown Valley, at crest of road where it drops into Diamond Valley. 640 Comment
  IRVC28205  Eucalyptus rudis A. C. Sanders 1986-1-4 5976 San Bernardino Redlands, an ornamental tree on the N side of Garden Street just E of Cajon Blvd and Prospect Park 488 Comment
  RSA715758  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-22 29604 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  RSA732244  Eucrypta chrysanthemifolia A. C. Sanders, Fred M. Roberts 2008-4-22 34995 Orange 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 213 Comment
  UCR137220  Eucrypta chrysanthemifolia A. C. Sanders 2004-6-25 28295 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
  UCR155382  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2005-5-24 30281 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  UCR158355  Eucrypta chrysanthemifolia A. C. Sanders, K. C. Rose, Y. Moore 1998-6-3 21915 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
  UCR214582  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37848 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
  UCR84886  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16230 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR279411  Eucrypta micrantha A. C. Sanders, Jim Malusa 2017-3-25 42999 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
  CAS-BOT-BC224910  Euphorbia albomarginata A. C. Sanders; A. Howald 2010-9-21 38597 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
  UCR139628  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR94779  Euphorbia albomarginata A. C. Sanders 1996-10-2 19606 San Bernardino San Bernardino Valley, Yucaipa, between Av. 'E' & 'F', east from Wilson Creek channel to top of slope 655 Comment
  SD143926  Euphorbia hirta A. C. Sanders 1994-11-8 15864 Riverside Colorado Desert, Coachella Valley, Palm Desert, weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 & Sage lane, in a lawn at the edge of a parking lot 45 Comment
  UCR161410  Euphorbia maculata A. C. Sanders, T. B. Salvato 2005-9-9 31621 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, Leucadia, SW side near I-5 and La Costa Ave. 6 Comment
  UCR242309  Euphorbia micromera A. C. Sanders, T. B. Salvato, Andrew Trouette, Rob Shoener 2012-8-22 40361 Imperial Sonoran (Colorado) Desert, between Rainey Well (windmill) and Indian Well, just off BLM Rd. 549, 1.1 km west of Bradshaw Trail 524 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
  UCR59912  Euphorbia micromera A. C. Sanders, B. Pitzer, B. L. Phillips 1988-10-15 8714 San Bernardino Mojave Desert, south edge of Fort Irwin Military Training Center, NE of Barstow; on E slope of Paradise Range 640 Comment
  UCSB44040  Euphorbia misera Sanders, A. 1982-3-20 Riverside South end of Whitewater Bench, above a small dirt road to the top of the bench and overlooking Interstate Hwy. 10 Comment
  UCR130775  Euphorbia ocellata A. C. Sanders, K. D. Jones, D. Malueg, T. Rado 1999-5-17 22741 Kern San Joaquin Valley, Temblor Range at McKittrick 300 Comment
  SD173453  Euphorbia peplus Andrew C. Sanders 2004-5-28 27980 San Diego Carlsbad, Agua Hedionda Ecological Reserve, near El Camino Real and Cannon Rd., along lower Agua Hedionda Creek 9 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
  UCR213543  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37828 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
  UCR223973  Euphorbia polycarpa A. C. Sanders 2011-3-23 38800 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
  UCR241516  Euphorbia polycarpa A. C. Sanders, Ann Howald 2013-2-27 40544 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR25042  Euphorbia serpillifolia subsp. hirtula A. C. Sanders 1981-7-22 1739 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  SD121337  Euphorbia setiloba A. C. Sanders, F. C. Vasek and G. K. Helmkamp 1982-9-9 2933 San Bernardino Old Woman Mountains, Mojave Desert, 1.8 miles north of Sunflower Spring on the road to Essex, 2.6 miles south of Colton Wash. 910 Comment
  UCR188460  Euphorbia setiloba A. C. Sanders, Mark A. Elvin, Tim Thomas 2007-10-5 34368 San Bernardino Central Mojave Desert, Ord Mountains, at Sweetwater Spring 1463 Comment
  UCR266767  Euphorbia setiloba A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-20 41919 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, lower Salvation Wash below confluence of E and N forks, US Navy Chocolate Mountains Aerial Gunnery Range 267 Comment
  UCR187147  Euphorbia spathulata A. C. Sanders 2006-5-16 32310 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
  UCR75058  Fagonia laevis A. C. Sanders, E. J. Lawlor 1992-4-4 12086 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR30787  Fendlerella utahensis A. C. Sanders 1983-6-12 3860 San Bernardino Eastern Mojave Desert, N side of Clark Mountain, upper 'Fir Canyon' including the white fir grove 2104 Comment
  UCR59174  Ferocactus cylindraceus A. C. Sanders 1989-5-7 9087 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, at Mary Lode Mine, c. 15 km north of Glamis 400 Comment
  UCR117407  Festuca dertonensis A. C. Sanders, Carolyn Washburn 2001-5-10 24229 Riverside Perris-Aguanga Basin region, S of Hemet near North Domenigoni Hills, Domenigoni Parkway at MWD Canal 451 Comment
  IRVC29546  Festuca microstachys A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26157 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
  UCR186910  Festuca microstachys A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32022 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
  UCR214150  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37714 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  UCR88739  Festuca microstachys A. C. Sanders 1995-4-13 16508 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
  UCR98329  Festuca microstachys A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke, G. Ballmer 1997-4-13 20481 Kern San Emigdio Ranch: Salt Creek Canyon at confluence with Black Bob Canyon and up Black Bob Cyn. 915 Comment
  RSA0116323  Festuca microstachys var. ciliata A. C. Sanders 2008-4-17 34939 Los Angeles Transverse Range: mouth of canyon in hills c. 1.25 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon. 956 Comment
  UCR213511  Festuca microstachys var. pauciflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37837 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
  UCR191708  Festuca myuros A. C. Sanders 2008-4-11 34866 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  UCR191325  Festuca octoflora A. C. Sanders, Linda Farley, Fred M. Roberts, D. 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 290 Comment
  UCR210964  Festuca octoflora A. C. Sanders, Fred M. Roberts, Florence Caplow, et al 2009-3-23 36530 San Bernardino East-central Mojave Desert, north foot of Sleeping Beauty Mtn., valley c. 8.5 km west of Broadwell Dry Lake 671 Comment
  UCR41825  Festuca octoflora A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6125 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR84847  Festuca octoflora A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16126 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR88303  Festuca octoflora A. C. Sanders, K. C. Rose 1995-4-5 16385 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  VVC562  Festuca octoflora A. C. Sanders 1995-3-12 16089 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  SD236335  Ficus rubiginosa A. C. Sanders, Fred M. Roberts 2008-9-14 36055 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. 49 Comment
  UCR197710  Ficus rubiginosa A. C. Sanders, Fred M. Roberts 2008-9-14 36055 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
  RSA713791  Filago californica A. C. Sanders, Helen Kennedy 2005-4-13 29417 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR126509  Filago californica A. C. Sanders, Mitch Provance 2003-4-2 25827 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
  UCR115351A  Filago depressa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16281 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
  UCR203503  Filago depressa A. C. Sanders, Jim Andre 2009-3-12 36317 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
  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
  UCR127776  Filago gallica A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26311 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
  UCR116000  Foeniculum vulgare A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23309 Riverside Shipley-Skinner Reserve, campground and boat launching area on the east side of Lake Skinner 457 Comment
  SBBG128387  Forestiera pubescens A. C. Sanders, M. Provance, T. B. Salvato, A. Keller, et al 2007-4-3 33356 Kern foothills, cyn just W of Bronco Cyn, Tehachapi Mtns 1052 Comment
  RSA713455  Frankenia salina A. C. Sanders, Jennifer Jones 2005-6-22 31159 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. 0 Comment
  SEINET1004423  Frankenia salina A. C. Sanders 2004-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region; Paloma Valley, ca. 1.5 mile NW of the 'Menifee-Antelope Community Hall', 0.6 mi e of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and ca. 5 miles due south of Sun city 457 Comment
  UCR75485  Frasera parryi A. C. Sanders, E. J. Lott 1993-5-20 14086 San Bernardino San Bernardino Mtns., E side of Water Canyon, a tributary of Wildwood Canyon from the north, SW foot of Pisgah Peak. Porter Ranch, near the road to the old Huber House 1009 Comment
  CAS-BOT-BC218571  Fraxinus velutina A. C. Sanders; P. MacKay 1994-6-19 14906 San Bernardino Kinley Creek above the Hwy 173 bridge, toward teh Pinnacles, San Bernardino Mountains 1249 Comment
  UCD122023  Fraxinus velutina A. C. Sanders; O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR126744  Fraxinus velutina A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26231 Los Angeles Western San Gabriel Mtns., Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property 351 Comment
  UCR186114  Fremontodendron californicum A. C. Sanders, Mitch Provance 2007-5-3 33642 Kern Tehachapi Mountains, NE of upper Oso Canyon, c. 3 miles ESE of Castac Lake, below peak 4908 1402 Comment
  RSA0093979  Funastrum hirtellum A. C. Sanders, Jim Malusa 2015-3-6 41295 Imperial Sonoran (Colorado) Desert. Chocolate Mountains, middle part of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range. 401 Comment
  CAS-BOT-BC304318  Galinsoga parviflora A. C. Sanders 1999-11-11 23246 San Bernardino San Bernardino Valley: Redlands, fields N of Lugonia Ave, ca 200-300 m E of Freeway 30 390 Comment
  RSA654785  Galinsoga parviflora A. C. Sanders, Mihai Costea, T. Salvato 1999-11-11 23246 San Bernardino San Bernardino Valley: Redlands, fields N of Lugonia Ave,. ca. 200-300 m E of Fwy 30. 390 Comment
  UC1746508  Galinsoga parviflora var. parviflora A. C. Sanders 1997-5-18 20712 San Bernardino San Bernardino Valley; Redlands, California St. near S.B. Co. Museum and at Lugonia Ave. (between I-10 and Lugonia) 354 Comment
  UCR163144  Galium A. C. Sanders, P. J. MacKay, et al 1995-6-18 17337 San Bernardino San Bernardino Mtns, Deep Creek near Bacon Flats, upstream of trail crossing 1475 Comment
  UCR83445  Galium angustifolium A. C. Sanders, Steve Myers, P. J. MacKay 1994-5-27 14497 San Bernardino San Bernardino Mtns, Lower Furnace Canyon on the north slope of the mountains above Lucerne Valley 1500 Comment
  SD193356  Galium aparine A. C. Sanders 2005-5-6 29984 San Diego Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway. 213 Comment
  UCR270348  Galium hilendiae A. C. Sanders, Karen Kirtland, Brian Bielfelt 2016-4-29 42462 San Bernardino San Bernardino Mtns., desert slope of mountains along So. CA Edison powerline in Cushenbury Canyon, c. 100 m NW of Hwy 18 at hairpin turn, SSE of Whiskey Spring N 1659 Comment
  UCR86559  Galium johnstonii A. C. Sanders, P. J. MacKay 1994-7-10 14996 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
  UCR155001  Galium parisiense A. C. Sanders, T. B. Salvato 2005-6-17 31019 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
  UCR176740  Galium porrigens A. C. Sanders 1995-6-5 17273 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
  UCR116510  Galium porrigens var. porrigens A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20644 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
  SD212488  Gamochaeta pensylvanica A. C. Sanders 2000-7-8 23530 Stanislaus San Joaquin Valley, near Ceres and Turlock, 2.0 miles westsouthwest of Keyes, 6524 Moffett Rd. near lateral canal #3, ca. 0.5 mile south of Keyes Rd. 24 Comment
  UCR205670  Gamochaeta pensylvanica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36974 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  SJSU1911  Garrya fremontii D. L. Sanders 1957-4-18 48 Calaveras White Pines 1219 Comment
  UCR91912  Garrya veatchii A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18121 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UCR114180  Gayophytum oligospermum A. C. Sanders, D. Malueg 1998-6-24 22086 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
  UCR269619  Geraea canescens var. canescens A. C. Sanders, Jim Malusa 2016-3-14 42171 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, along old Niland-Blythe Rd., 1.92 km NE of Siphon 8 on the Coachella Canal, NE of Slab City 51 Comment
  UCR209294  Geranium A. C. Sanders 2009-4-19 36798 Santa Barbara South Coast, Santa Barbara, near Santa Barbara City College, near intersection of Montecito St. and Castillo St., between Hwy 101 and the harbor 23 Comment
  RSA564493  Geranium dissectum A. C. Sanders 1993-4-27 13844 San Bernardino Arrowhead Hot Springs, ca 700 ft WSW of the old Arrowhead Hot Springs Hotel. West side of rd to the hotel from Old Waterman Canyon Rd & south of a dirt track which angles back toward the property entrance. 595 Comment
  UCR214380  Geranium dissectum A. C. Sanders 2010-6-22 38443 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
  SD224986  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa: southeast edge of town at Skyline Park, east end of Imola Road East. Adjacent to meeting hall. 91 Comment
  RSA715242  Geranium robertianum A. C. Sanders, T. B. Salvato 2006-5-4 32247 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
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Jul 14 2008
  UCD170629  Geranium robertianum A. C. Sanders; T. B. Salvato 2000-5-8 23382 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus. 396 Comment
  RSA0112033  Gilia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16244 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. E side of Snow Cr. Rd., toward the north. 335 Comment
  RSA0112632  Gilia A. C. Sanders 2008-5-4 35200 San Benito Inner Coast Range: New Idria, c. 1/2 mile below mines, vicinity of narrow bridge over small creek. 685 Comment
  RSA0112636  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. 610 Comment
  UCR157254  Gilia A. C. Sanders, G. F. Pratt, C. Pierce, G. R. Ballmer, R. Mattoni, et al 1997-6-22 20820 Inyo Mojave Desert, China Lake Naval Weapons Center, Coso Range 1.2 mi. NE of Coso townsite, canyon NE of Josephine Mine and WNW of Darwin Spr., at sharp bend in road 1707 Comment
  UCR166223  Gilia A. C. Sanders, P. J. MacKay 1995-5-13 16986 San Bernardino San Bernardino Mtns/Southern Mojave Desert, south of Apple Valley, Forest Service Road 3N14 (Oak Spring Road), 0.5 mi. above Bowen Ranch Road 1300 Comment
  UCR169884  Gilia A. C. Sanders, P. J. MacKay 2001-4-14 23996 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
  UCR193301  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35597 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  UCR203958  Gilia A. C. Sanders 2009-3-14 36385 San Bernardino Mojave Desert, Cadiz Valley, c. 3.5 miles (air) SW of Chambless, near the RR 203 Comment
  SEINET1908463  Gilia angelensis A. C. Sanders, T. B. Salvato 2008-1 34424 Riverside San Bernardino Valley Region: Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. L. King (ex Pennsylvania) Ave. 296 Comment
  UCR85322  Gilia angelensis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16171 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  SBBG120067  Gilia angelensis A. C. Sanders with M. Elvin 2003-4-14 25965 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  UCR17857  Gilia cana subsp. cana A. C. Sanders 1977-3-10 497 San Bernardino Mojave Desert, northwest of Barstow along the road between Rainbow Basin and Black Canyon 854 Comment
  RSA682086  Gilia capitata A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26466 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. 366 Comment
  UCR112879  Gilia capitata A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, T. Ross 1997-4-12 20378 Kern Hills S of San Joaquin Valley, San Emigdio Ranch, hills around major tributary of Pleitito Creek, c. 3 km (air) north of Eagle Rest Peak 1159 Comment
  UCR192574  Gilia capitata A. C. Sanders 2008-4-10 34827 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
  UCR193468  Gilia capitata A. C. Sanders, T. B. Salvato 2008-5-13 35339 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
  UCR213630  Gilia capitata A. C. Sanders 2010-4-26 38020 Kern Southern Foothills of Tehachapi Mountains, mouth of Canyon de la Lecheria, north of the end of 290th St. West 1259 Comment
  UCR64534  Gilia minor A. C. Sanders, E. J. Lawlor 1988-3-6 7720 Kern Western Mojave Desert, west slope of a prominent hill on California City Blvd., 5 mi south of California City and 3.5 mi north of Hwy 58 732 Comment
  RSA0115690  Gilia ochroleuca subsp. bizonata A. C. Sanders 2007-4-25 33587 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Canyon Rd. 1143 Comment
  CAS-BOT-BC401990  Gilia ochroleuca subsp. bizonata A. C. Sanders; K. R. Neisess; N. Smith 1980-6-4 1550 Los Angeles Elizabeth Lake, west of Lancaster in the foothills of the San Gabriel Mountains. Area just north of Hwy. N-2 where it passes the lake 1036 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
  UCR20895  Gilia ochroleuca subsp. exilis A. C. Sanders 1978-6-20 503 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR136313  Gilia scopulorum A. C. Sanders, Mitch Provance, Petra Wester 2004-5-30 28024 San Bernardino Mojave Desert, powerline road from Pisgah to Lucerne Valley, north end of Lava Bed Mtns., 2 km south of Silver Cliffs Mine 1098 Comment
  UCR64537  Gilia sinuata A. C. Sanders, E. J. Lawlor 1988-3-5 7708 Kern Western Mojave Desert, south side of Koehn Dry Lake, south of Munsey Rd. at a point 4 mi east of Neuralia Rd. 591 Comment
  UCR279342  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-23 42947 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  SD164823  Glebionis coronaria Andrew C. Sanders 2005-6-17 31081 San Diego Boden Canyon Ecological Reserve at E end of San Pasqual Valley, along entrance road from Hwy 78 to Clevenger Canyon 244 Comment
  SD185139  Glebionis coronaria Andrew C. Sanders 2005-6-24 31250 San Diego San Dieguito Lagoon Ecological Reserve (DFG), west and south edges of reserve south of Palm Lane near San Dieguito Dr. Comment
  SD193226  Glebionis coronaria A. C. Sanders 2004-5-7 27796 San Diego Agua Hedionda Ecological Reserve, near Laguna Riviera Park, off Park St. near roadside and along hiking trail southeast of the park. 2 Comment
  UCR154785  Gleditsia triacanthos A. C. Sanders 2005-6-2 30405 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
  UCR101402  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
  RSA653499  Glycyrrhiza lepidota A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23678 Riverside SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR44441  Glycyrrhiza lepidota A. C. Sanders, B. Pitzer, Anna Strickland 1986-6-11 6593 San Bernardino Mojave Desert, Mojave River, at Lower Narrows between Victorville and Oro Grande, c. 2.5 mi NW of Hwy I-15 on the National Trails Hwy, just above the bridge over the river 795 Comment
  UCR161516  Gnaphalium canescens A. C. Sanders, T. B. Salvato 2005-9-9 31644 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, Leucadia, SW side near I-5 and La Costa Ave. 6 Comment
  UCR214664  Gnaphalium canescens A. C. Sanders, Dan S. Cooper 2010-4-30 38135 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR93482  Gnaphalium canescens subsp. beneolens A. C. Sanders, P. McKay, G. K. Helmkamp, C. L. Sanders 1994-8-14 15286 San Bernardino San Bernardino Mtns., Hwy 18, 0.25 mi. west of Big Bear Lake dam 2080 Comment
  UCR162736  Gnaphalium canescens subsp. microcephalum A. C. Sanders, T. B. Salvato 2005-10-19 31904 San Diego Peninsular Range, 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 south of Plaisted Cr. 823 Comment
  UCR94906  Gnaphalium luteoalbum A. C. Sanders, P. J. MacKay 1996-10-20 19628 San Bernardino San Bernardino Mtns, Cajon Pass area, along Pacific Crest Trail in gorge above the mouth of Crowder Canyon 976 Comment
  UCR214667  Gnaphalium palustre A. C. Sanders, Dan S. Cooper 2010-4-30 38153 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  VVC2703  Gnaphalium purpureum A. C. Sanders, PJ MacKay, EJ Lawlor, CL Sanders 2004-6-27 28329 San Bernardino San Bernardino Mtns., Little Bear Creek, ca. 1.5 mi. ENE of Lake Arrowhead, above confluence with Hooks Creek 1470 Comment
  UCR155630  Gnaphalium stramineum A. C. Sanders 2005-4-29 29827 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
  UCR174501  Gnaphalium stramineum A. C. Sanders 2006-6-5 33102 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
  UCR48013  Gnaphalium stramineum A. C. Sanders, B. Pitzer & S. Morgan 1987-5-14 7054 San Diego W end Otay Mesa, east of San Ysidro, Moody Canyon 153 Comment
  SBBG89129  Grayia spinosa A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7774 Los Angeles near Quartz Hill in Lancaster, S of Ave. L at 37th St. West 746 Comment
  HSC79038  Grindelia hirsutula A. C. Sanders 1985-1-19 5373 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  SD167233  Gutierrezia californica Andrew C. Sanders 2005-10-5 31694 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
  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
  UCR174382  Harpagonella palmeri A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32568 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
  UCR209187  Haworthia A. C. Sanders, Kerry Knudsen, J. R. Ekhoff 2004-7-9 28504 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
  UCR17690  Hedeoma nana A. C. Sanders, O. F. Clarke, J. Latting & CNPS trip 1978-5-29 00405 San Bernardino Eastern Mojave Desert, N side of Clark Mountain in the canyon below Green's Well. 1509 Comment
  UCR231035  Hedera canariensis A. C. Sanders 2011-12-31 39956 San Luis Obispo Central Coast, Morro Bay, in town along Quintana Rd. 0.2 mi. east of intersection with Main St., just S of Hwy 1 25 Comment
  SD164804  Hedypnois cretica Andrew C. Sanders 2005-4-8 29399 San Diego Batiquitos Lagoon Ecological Reserve, just N of Leucadia, north side of the lagoon on east side of the I-5 Fwy Comment
  UCR174043  Helianthus gracilentus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32521 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
  UCR83369  Helianthus gracilentus A. C. Sanders 1994-6-26 14966 San Bernardino San Bernardino Mtns, south of Silverwood Lake, along Forest Service Road (2N59?) c. 2 mi east of Cottonwood Station, west of FS Road 2N43 from Cedarpines Park, under powerlines 1150 Comment
  VVC1194  Helianthus gracilentus A. C. Sanders 1994-6-26 14966 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
  RSA781206  Heliotropium curassavicum A. C. Sanders 2010-2-20 37314 Imperial Imperial Valley, c. 6 mi. NE of Holtville, Highline Road at Boyd Rd. -3 Comment
  SD164776  Heliotropium curassavicum Andrew C. Sanders 2005-4-8 29396 San Diego Batiquitos Lagoon Ecological Reserve, just N of Leucadia, north side of the lagoon on east side of the I-5 Fwy Comment
  UCR112116  Heliotropium curassavicum A. C. Sanders, Mitch Provance 1998-5-28 21878 San Bernardino San Bernardino Valley, Agua Mansa area, north side of the Santa Ana River just east of Riverside Ave. 259 Comment
  UCR130798  Heliotropium curassavicum A. C. Sanders 1999-6-24 22873 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
  UCR185413  Heliotropium curassavicum A. C. Sanders 2007-6-27 34251 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
  UCR234228  Heliotropium curassavicum A. C. Sanders 2012-5-3 40121 Inyo NE Mojave Desert, Shoshone, along Hwy 178 at Amargosa River crossing, below layered, white, sedimentary cliffs of old lake deposits 470 Comment
  SD212508  Helminthotheca echioides Andrew C. Sanders 2004-5-21 27942 San Diego Carlsbad, Agua Hedionda Ecological Reserve, near El Camino Real and Cannon Rd., vegetation restoration area Quad: San Luis Rey 7.5A Q. 9 Comment
  UCR136201  Hemizonia fasciculata A. C. Sanders 2004-6-20 28221 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., hilltop above I-15, SW of main clay pits 378 Comment
  UCR137301  Hemizonia fasciculata A. C. Sanders, Kerry Knudsen, J. R. Ekhoff 2004-7-9 28501 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
  UCR153957  Hemizonia fasciculata A. C. Sanders 2005-5-11 30153 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
  UCR249925  Hemizonia fasciculata A. C. Sanders 2013-6-20 40836 Riverside Peninsular Range, Alberhill, along powerline route parallel to 'new' Nichols Rd. extension, SE of Lake St. & NW of Terra Cotta 431 Comment
  RSA749831  Hemizonia kelloggii A. C. Sanders 2008-5-4 35151 Fresno Panoche Road, 7.1 miles west of I-5 at hairpin turn where the road begins to climb out of canyon 259 Comment
  UCR193095  Hemizonia kelloggii A. C. Sanders 2008-5-4 35180 San Benito Inner Coast Range, Griswold Hills, New Idria Road 4.1 miles above (south of) Panoche Rd., exposed slopes around sharp bend 427 Comment
  UCR260605  Hemizonia kelloggii A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41570 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 392 Comment
  UCR100374  Hemizonia paniculata A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21615 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 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
  UCR127147  Hemizonia paniculata A. C. Sanders, Guy Bruyea 2003-6-12 26897 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UCR260890  Hemizonia pungens subsp. pungens A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41523 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  UCR75493  Herniaria cinerea A. C. Sanders, E. J. Lott 1993-5-20 14080 San Bernardino San Bernardino Valley, Yucaipa, alluvial fan at SW foot of Yucaipa Ridge, NE corner of intersection of Carter and Spring streets, 2 miles east of Bryant St. on Carter St. 1000 Comment
  CAS-BOT-BC143672  Heteromeles arbutifolia A. C. Sanders; T. B. Salvato 2009-5-19 36819 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
  UCR174255  Heteromeles arbutifolia A. C. Sanders, T. B. Salvato 2006-6-2 33066 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. 579 Comment
  UCR161423  Heterotheca grandiflora A. C. Sanders, T. B. Salvato 2005-9-9 31660 San Diego South Coast, San Elijo Lagoon Ecological Reserve, Solana Beach, east of I-5 on south side of lagoon off end of Santa Helena Rd, near powerlines 15 Comment
  UCR163138  Heterotheca grandiflora A. C. Sanders, T. B. Salvato 2005-10-14 31857 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
  UCR193610  Heterotheca grandiflora A. C. Sanders, Fred M. Roberts 2008-5-6 35236 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
  UCR75088  Hilaria rigida A. C. Sanders, E. J. Lawlor 1992-4-4 12140 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA754069  Hirschfeldia incana A. C. Sanders, Fred M. Roberts 2008-7-16 35863 Orange Lomas de Santiago, lower Hangmans Tree Canyon 379 Comment
  SBBG119594  Hoffmannseggia glauca A. C. Sanders, M. A. Elvin 2003-10-5 27293 San Bernardino NE side of Dale Dry Lake, W of Ironage Rd, at a point ca. 2 mi NW of Hwy 62 360 Comment
  RSA0107647  Hoffmannseggia peninsularis A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-20 41923 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, hill west of the mouth of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range. 256 Comment
  SEINET954026  Hoita orbicularis A. C. Sanders, P. MacKay, S. White, C. L. Sanders 1994-1 15705 San Bernardino San Bernardino Mountains: Clark's Ranch alon the Seven Pines Road ca. 1/4 mi. E of Deer Creek, Santa Ana River Canyon. 1500 Comment
  UCR184532  Holocarpha heermannii A. C. Sanders, T. B. Salvato 2007-6-6 34087 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
  SD186036  Hordeum brachyantherum A. C. Sanders 2003-4-16 26030 Los Angeles Newhall Ranch, south of Magic Mountain Parkway, near I-5 and golf course. 366 Comment
  SEINET2473418 Image available Hordeum depressum Andrew C. Sanders, T. B. Salvato 2011-1 38892 Riverside Peninsular Range; Elsinore Trough; city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 380 Comment
  RSA563921  Hordeum intercedens A. C. Sanders 1993-4-1 13661 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
  UCR117388  Hordeum intercedens A. C. Sanders, T. B. Salvato 2001-5-25 24384 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR191539  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 391 Comment
  UCR82500  Hordeum jubatum A. C. Sanders, P. J. MacKay, G. K. Helmkamp, S. D. White, et al. 1994-9-4 15553 San Bernardino San Bernardino Mtns, NE side of Baldwin Lake 2048 Comment
  UCR155659  Hordeum murinum A. C. Sanders, Mark A. Elvin 2005-4-22 29672 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
  SD232639  Hornungia procumbens A. C. Sanders, E. J. Lott 1993-5-5 13923 San Bernardino Southern Mojave Desert: Rabbit Springs, S side of Rabbit Springs Road, along fllood control district right-of-way. 878 Comment
  SEINET269298  Hornungia procumbens A. C. Sanders, E. J. Lott 1993-5-5 13913 San Bernardino Southern Mojave Desert: Rabbit Springs N side of Rabbit Springs Road. 875 Comment
  RSA748724  Hydrocotyle sibthorpioides A. C. Sanders 1999-5-19 22784 Kern Bakersfield, weed in lawn at Doubletree Inn, Hwy 99 at Rosedale Hwy, old floodplain on north side of Kern River 122 Comment
  UCR141379  Hydrocotyle sibthorpioides A. C. Sanders 1999-5-19 22784 Kern San Joaquin Valley, Bakersfield, weed in lawn at Doubletree Inn, Hwy 99 at Rosedale Hwy, old floodplain on north side of Kern River 122 Comment
  RSA732247  Hypochaeris glabra A. C. Sanders, Fred M. Roberts 2008-4-22 34998 Orange 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 213 Comment
  UCR133124  Hyptis emoryi A. C. Sanders 1989-3-19 9033 .2 San Bernardino Mojave Desert, 29 Palms Marine Corps Base, east slope of Bullion Mountains, America Mine Training Range 915 Comment
  UCR266732  Hyptis emoryi A. C. Sanders, J. Malusa 2016-1-22 41947 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, 100 m radius around Beal's Well, US Navy Chocolate Mountains Aerial Gunnery Range 412 Comment
  UCR266761  Hyptis emoryi A. C. Sanders, Jim Malusa 2016-1-23 41976 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, canyon north of old Niland to Blythe road, 1 mile west of Beal Well 473 Comment
  CAS-BOT-BC173252  Isocoma menziesii var. vernonioides A. C. Sanders; Mark A. Elvin 2002-8-26 25582 Los Angeles Western Transverse Range/Santa Clara River Watershed: Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle 335 Comment
  SD237326  Isocoma menziesii var. vernonioides A. C. Sanders, Dan S. Cooper 2010-8-5 38576 Los Angeles South Coast: Madrona Marsh Preserve, Torance. Former oil field w/gravel service road remnants. 24 Comment
  UCR20831  Isomeris arborea A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1299 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR185561  Isopyrum occidentale A. C. Sanders 2007-6-27 34239 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
  SEINET269303  Iva axillaris A. C. Sanders 1996-9-22 19558 San Bernardino San Bernardino Mtns./Mojave Desert: upper Box 'S' Spring 0.35 mile below Camp Rock Rd. 1159 Comment
  UCR82303  Iva axillaris A. C. Sanders, P. J. MacKay, G. K. Helmkamp, S. D. White, C. L. Sanders 1994-9-4 15565 San Bernardino San Bernardino Mtns, W side of Irwin Lake 2080 Comment
  UCR94761  Iva axillaris A. C. Sanders, E. J. Lott 1993-5-5 13927 San Bernardino Southern Mojave Desert, Rabbit Springs, south side of Rabbit Springs Road, along flood control district right-of-way 878 Comment
  UCR261209  Iva axillaris subsp. robustior A. C. Sanders, Ron Clark 2015-5-5 41630 Kern Tehachapi Mtns. Region, Brite Valley, 9 km SW of Tehachapi, Highline Rd. just below reservoir (Brite Valley Aquatic Recreation Area), between Brite St. and Reata St. 1323 Comment
  UCR36987  Ivesia santolinoides A. C. Sanders, F. C. Vasek 1984-6-6 5097 Ventura Summit of Mt. Pinos 2683 Comment
  UC2015517  Ivesia saxosa A. C. Sanders, P. MacKay, S. White & M. Bagley 1996-5-26 18179 San Bernardino San Bernardino Mtns.: Holcomb Valley, N side of the road near site of Belleville, upper Caribou Creek. 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
  UCR28289  Jepsonia parryi A. C. Sanders, D. E. Emery, M. Beauchamp 1982-3-19 2414 San Diego Peninsular Range, San Ysidro Mountains, Otay Mtn., lower slopes along the road [Minnewawa Truck Trail] above Pio Pico Park 306 Comment
  UCR241847  Juglans A. C. Sanders 2013-4-17 40804 Riverside Peninsular Range; Eastern Foot of Gavilan Hills, Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km west of Hammack Ave. 505 Comment
  RSA781951  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37169 Los Angeles Pomona, Cal Poly Pomona campus at Kellogg West. 259 Comment
  SEINET1909591  Juglans californica A. C. Sanders 2004-1 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 469 Comment
  UCR137376  Juglans californica A. C. Sanders, Kerry Knudsen 2004-7-2 28430 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
  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
  UCR169887  Juglans californica var. californica A. C. Sanders, Dan Malueg, K. D. Jones 1999-11-19 23259 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 595 Comment
  CAS-BOT-BC126766  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37160 Riverside Peninsular Range: Riverside, between UCR agricultural operations fields, along Iowa Ave. between University Ave. and M.L. King Blvd. 305 Comment
  CAS-BOT-BC140653  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37143 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside 345 Comment
  CAS-BOT-BC140654  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA781304  Juglans hindsii A. C. Sanders, Fred M. Roberts, Jutta Burger 2009-10-21 37203 Orange Lomas de Santiago, Santiago Canyon near mouth of Limestone Cyn., near Agustine Staging Area at south foot of Blue Diamond Haul Rd. bridge over Santiago Canyon Rd. 253 Comment
  RSA614104  Juglans nigra A. C. Sanders, T. Tennant 1997-11-14 21601 Riverside San Bernardino Mtns: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  SD164887  Juncus acutus A. C. Sanders, Petra Wester 2004-4-30 27691 San Diego South Coast: Carlsbad, Agua Hedionda Ecological Reserve, along Park Street near Laguna Riviera Park, San Luis Rey 7.5A quad. (IPB 12/06) 2 Comment
  SD212406  Juncus balticus subsp. ater Andrew C. Sanders 2005-6-17 31021 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
  UCR155580  Juncus bufonius A. C. Sanders 2005-4-29 29807 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
  UCR24958  Juncus bufonius A. C. Sanders 1980-7-22 1731 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR158484  Juncus bufonius var. congestus A. C. Sanders, J. R. Ekhoff, Meredith Osborne 2005-7-13 31393 San Diego Peninsular Range, Boden Canyon Ecological Reserve at E end of San Pasqual Valley, lower part of reserve along Santa Ysabel Creek, where road crosses near confluence of Boden Cyn. creek 220 Comment
  SD186022  Juncus cooperi A. C. Sanders, E. J. Lawlor, et al. 1992-3-21 12083 Imperial Frink Spring, north of Highway 111 and east of Frink Rd. -10 Comment
  UCR163697  Juncus effusus A. C. Sanders, T. B. Salvato 2005-6-29 31279 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
  SD237244  Juncus ensifolius A. C. Sanders, P. J. MacKay, G. K. Helmkamp, C. L. Sanders 1994-8-14 15271 San Bernardino San Bernadino 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
  SD212408  Juncus macrophyllus Andrew C. Sanders, G. K. Helmkamp et al 1994-9-11 15620 San Bernardino San Bernardino Mountains: Santa Ana River Canyon midway between the upper two powerhouses 762 Comment
  UCR114774  Juncus macrophyllus A. C. Sanders 1995-6-5 17274 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
  UCR177391  Juncus macrophyllus A. C. Sanders, G. K. Helmkamp, Scott D. White, E. J. lawlor & C. L. Sanders 1994-9-11 15620 San Bernardino San Bernardino Mountains, Santa Ana River Canyon midway between the upper two powehouses 762 Comment
  UCR24963  Juncus macrophyllus A. C. Sanders 1980-8-23 1758 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 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
  UCR133121  Juncus oxymeris A. C. Sanders 1998-7-31 22184 Madera Sierra Nevada Mtns., south end of Bass Lake near Wishon Point Campground, off Crane Valley Road 1067 Comment
  UCR193376  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35623 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  SD237247  Juncus saximontanus A. C. Sanders, P. J. MacKay, Scott D. White, C. L. Sanders. 1994-9-18 15660 San Bernardino San Bernadino Mtns: upper Santa Ana River along the Seven Oaks Road, 1 mi. below Hwy 38 at South Fork Campground, .1 mi above the first river crossing. 1890 Comment
  UCR281064  Juncus tiehmii A. C. Sanders, Mark Bibbo, Morgan King, Huang-Chi Kuo 2017-6-5 43280 San Bernardino San Bernardino Mountains, Holcomb Valley, along SCE powerline north of Holcomb Valley Road (3N16), north of Saragossa Spring 2284 Comment
  RSA714299  Juniperus A. C. Sanders 1999-10-29 23200 San Bernardino FS Road 3N03 (Smarts Ranch Road), 0.2-0.3 miles southeast of Hwy 18, near Cactus Spring. 1829 Comment
  UCR134315  Juniperus A. C. Sanders, Maile Neel 1999-10-29 23201 San Bernardino San Bernardino Mtns., FS Road 3N03 (Smarts Ranch Road), 0.2-0.3 miles southeast of Hwy 18, near Cactus Spring 1829 Comment
  UCR134685  Juniperus A. C. Sanders, Maile Neel 1999-10-29 23208 San Bernardino San Bernardino Mtns., Lone Valley, 2.7 miles southeast of Hwy 18 on Smarts Ranch Road 1829 Comment
  RSA727608  Juniperus californica A. C. Sanders, T. B. Salvato, Sandra Murcia, Arthur Davenport, Ultrasystems crew 2007-3-9 33322 San Bernardino Mojave Desert: Baldy Mesa, proposed new route for Hwy 395, north of Oro Grande Wash, c. 1 mile NW of the intersection of existing Hwy 395 and I-15. 1113 Comment
  UCR125328  Juniperus californica A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-1-25 25670 San Bernardino San Bernardino Mtns., 'The Narrows' in lower Crowder Canyon, Cajon Pass near Cajon Junction 945 Comment
  UCR132593  Juniperus californica A. C. Sanders, Maile Neel 1999-10-29 23220 San Bernardino San Bernardino Mtns./Mojave Desert, Crystal Creek, Crystal Creek Road at junction with road to Dry Canyon near bench mark 4278 1304 Comment
  SBBG119597  Juniperus osteosperma A. C. Sanders with M. Neel 1999-10-29 23215 San Bernardino rd to Blackhawk Mine (3N36) due E of Mitsubishi Cement Plant, 0.3 mi E of Hwy 18 1433 Comment
  UCR134679  Juniperus osteosperma A. C. Sanders, Maile Neel 1999-10-29 23213 San Bernardino San Bernardino Mtns./Mojave Desert, road to Blackhawk Mine (3N36) due east of Mitsubishi Cement Plant, 0.3 mi. east of Hwy 18 1433 Comment
  SEINET8071637 Image available Kallstroemia californica Andrew C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UC1792835  Kallstroemia californica A. C. Sanders, Mark A. Elvin 2003-10-5 27291 San Bernardino Southern Mojave Desert: east side of Dale Dry Lake, along Ironage Road at a point ca. 0.5 mi north of Hwy 62 389 Comment
  UCR245090  Kallstroemia californica A. C. Sanders, T. B. Salvato, Andrew Trouette, Rob Shoener 2012-8-22 40391 Imperial Sonoran (Colorado) Desert, BLM Rd. 554, 0.52 mi. south of Bradshaw Trail, 1.95 mi. SE (117 deg. ) of Indian Well 456 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
  UCR104940  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20698 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
  SD173566  Keckiella cordifolia Andrew C. Sanders 2004-7-9 28458 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
  UCR121625  Keckiella cordifolia A. C. Sanders, J. R. Ekhoff 2001-9-7 24860 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
  CDA3137  Kochia scoparia A. C. Sanders, Mitch Provance 2000-10-1 23699 San Bernardino San Bernardino Mtns.; Big Bear Valley, along Hwy 38 at E edge of Fawnskin, N side of Big Bear Lake Comment
  RSA0104086  Koeberlinia spinosa subsp. tenuispina A. C. Sanders, Jim Malusa 2016-3-7 42117 Imperial Sonoran (Colorado) Desert: Chocolate Mountains Aerial Gunnery Range, dirt road from E.O.D. Camp Burt (off intersection of Dietz Rd. & Skyline Dr.) toward target Invader, c. 5 km NW of Blue Mountain. 397 Comment
  UCR58438  Koeberlinia spinosa subsp. tenuispina A. C. Sanders 1989-2-16 9031 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 5.5 mi west of base boundary (at the end of Dietz Rd.) on the road to Pegleg Well 375 Comment
  SD250473  Koeberlinia spinosa var. tenuispina A. C. Sanders, Jim Malusa 2015-9-8 41821 Imperial South foot of the Little Mule Mountains, near E. O. D. Camp Burt, ca. 3.5 km west of Skyline Rd., S# of isolated volcanic hill. 348 Comment
  UCR192752  Koeleria gerardi A. C. Sanders 2008-5-4 35165 San Benito Inner Coast Range, Griswold Creek Canyon, Griswold Hills, New Idria Road 3.9 miles above (south of) Panoche Rd. 427 Comment
  UCR270546  Krameria erecta A. C. Sanders, Karen Kirtland 2016-4-27 42438 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
  UCR116867  Krascheninnikovia lanata A. C. Sanders, Mark Elvin 2001-5-11 24275 San Bernardino Eastern Mojave Desert, near Valley Wells, 100 m north of I-15 on Exselsior Mine Rd. at wash crossing, E side of road 1140 Comment
  UCR279388  Lactuca serriola A. C. Sanders, Jim Malusa 2017-3-24 42982 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  SD167250  Laennecia coulteri Andrew C. Sanders 2005-10-7 31757 San Diego Agua Hedionda Lagoon Ecological Reserve, SE of the lagoon near Cannon Rd. and west of El Camino Real, SSE of Laguna Riviera Park but south of Agua Hedionda Creek Quad. 3 Comment
  UCR78398  Lagophylla ramosissima A. C. Sanders, E. J. Lott 1992-6-12 12393 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
  UCR155440  Lamarckia aurea A. C. Sanders 2005-6-2 30376 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
  CDA5690  Lantana camara A. C. Sanders 2004-5-7 27792 San Diego South Coast; Carlsbad, Agua Hedionda Ecological Reserve, near Laguna Riviera Park, off Park St. near roadside and along hiking trail SE of the park Comment
  UCR130789  Lappula occidentalis A. C. Sanders 1999-6-24 22884 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
  SD240872  Lapsana communis A. C. Sanders 2011-6-25 39694 Santa Cruz Central Coast: Aptos, along trail between old RR trestle and Sumner Road, near Seascape Golf Course (Soquel 7.5'Q) 24 Comment
  UCR135936  Larrea tridentata A. C. Sanders, Kent Beaman 2004-4-21 27582 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
  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
  RSA713680  Lasthenia gracilis A. C. Sanders 2005-4-22 29587 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 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
  UCR214048  Lasthenia gracilis A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37972 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
  UCR42366  Lasthenia gracilis A. C. Sanders, T. R. Van Devender, Steve Boyd, B. Pitzer 1986-4-12 6453 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
  CAS-BOT-BC367597  Lasthenia microglossa A. C. Sanders 2008-5-4 35177 San Benito Inner Coast Range: Griswold Creek Canyon, Griswold Hills, New Idria Road 309 iles above (south of) Panoche Rd. 427 Comment
  UCR83736  Lathyrus vestitus A. C. Sanders, P. J. MacKay 1994-6-19 14858 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
  IRVC26217  Lathyrus vestitus subsp. alefeldii A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26302 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
  RSA0047540  Layia glandulosa A. C. Sanders, Mitch Provance 2007-5-3 33597 Kern Tehachapi Mountains: NE of upper Oso Canyon, c. 3 miles ESE of Castac Lake, below peak 4908. 1341 Comment
  UCR183660  Layia glandulosa A. C. Sanders, T. B. Salvato, Mitch Provance 2007-5-15 33775 Kern Tehachapi Mountains, Crane Canyon at fork c. 1 mile SE of Castac Lake 1159 Comment
  UCR100033  Layia platyglossa A. C. Sanders, G. Helmkamp 1997-3-15 19973 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UCR126984  Layia platyglossa A. C. Sanders, T. B. Salvato 2003-5-9 26585 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA645547  Leonotis nepetifolia A. C. Sanders, G. Helmkamp 1995-12-5 17931 Riverside Riverside: weed in the yard of O.F. Clarke, 1012 Spruce St. near Canyon Crest DR. 305 Comment
  UCR121799  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24055 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  SD140147  Lepidium dictyotum var. dictyotum A. C. Sanders 1993-4-5 13684 Riverside Western edge of Hemet, along south side of Devonshire Avenue between Old Warren and Warren Roads (Highway 54) 459 Comment
  HSC86953  Lepidium flavum A. C. Sanders, E. J. Lawlor 1988-3-5 7697 Kern Mojave Desert, S side of Koehn Dry Lake, S of Munsey Rd., 4 mi. E of Neuralia Rd. 610 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
  UCR203423  Lepidium lasiocarpum A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-4 36206 San Bernardino Mojave Desert, Cady Mountains at edge of Broadwell Valley, along powerline road c. 10 mi. NE of I-40, at foot of peak 2633, N of Sleeping Beauty Mtn. 671 Comment
  UCR213424  Lepidium lasiocarpum A. C. Sanders 2010-3-15 37391 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
  UCR116678  Lepidium latifolium A. C. Sanders, Chet McGaugh 2001-7-26 24476 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 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
  UCR192487  Lepidium nitidum A. C. Sanders, Fred M. Roberts 2008-3-25 34515 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR225593  Lepidium nitidum A. C. Sanders, T. B. Salvato 2011-3-29 38885 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  UCR26523  Lepidium pinnatifidum A. C. Sanders, S. Hagopian 1981-5-20 1258 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  RSA715299  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32656 Riverside 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. 579 Comment
  IRVC28057  Lepidospartum squamatum A. C. Sanders, Mark A. Elvin 2003-10-5 27231 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
  SBBG88252  Leptochloa panicea subsp. brachiata A. C. Sanders 1988-11-6 8747 Imperial between Brawley and Westmorland, Hwy 86, 1.6 mi NW of the New River crossing at Brawley -34 Comment
  UCR261225  Leptosiphon A. C. Sanders, Mitch Provance 2015-5-13 41692 Kern Tehachapi Mountains, SW of Tehachapi, S of Old Town Tehachapi, along Highline Rd. between Backes Lane and County Oaks St. 1307 Comment
  UCD118458  Leptosiphon breviculus A. C. Sanders; G. and L. Helmkamp 1995-4-30 16855 San Bernardino San Bernardino Mtns. / Mojave Desert Pioneertown Road, 1.9 mi. north of Yucca Valley (at Yucca Trail), 2.1 mi. south of Pioneertown, Water Canyon. 1125 Comment
  UCR159199  Lessingia filaginifolia A. C. Sanders, Kelly Volansky 2005-8-31 31592 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
  UCR93671  Lessingia glandulifera var. glandulifera A. C. Sanders, D. E. Bramlet, M. Jacobsmyer, Harry Spilman 1996-8-17 19437 San Bernardino San Bernardino Mtns., N slope of mountains, north of Green Valley Lake, 3.7 mi. north of Green Valley Lake Road on Forest Service Road 3N16 at Crab Creek. 1799 Comment
  RSA661308  Leymus condensatus A. C. Sanders, K. C. Rose, Y. Moore 1998-6-3 21934 Ventura 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 209 Comment
  UCR112469  Ligustrum lucidum A. C. Sanders, Giles Waines, Mitch Provance, T. B. Salvato, et al 2000-5-27 23432 San Bernardino San Bernardino Mtns., Thurman Flats Picnic Area, below Mountain Home Village 1061 Comment
  UCR231358  Lilium humboldtii A. C. Sanders, Kent Beaman 2011-9-27 39911 Orange Peninsular Range; Santa Ana Mtns., Maple Springs Truck Trail, 3.4 km NNW (340 deg. ) of Santiago Peak 1088 Comment
  SBBG122293  Limnanthes gracilis subsp. parishii A. C. Sanders, T. Thomas 2008-6-20 35537 Riverside May Valley near Fleming Ranch, N of Bonita Vista Rd and E of Herkey Crk 1550 Comment
  UCR136243  Limonium ramosissimum A. C. Sanders, Petra Wester 2004-4-30 27695 San Diego South Coast, Carlsbad, Agua Hedionda Ecological Reserve, along Park St near Laguna Riviera Park 3 Comment
  UCR193304  Limosella acaulis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35600 A Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  UCR192165  Linanthus aureus A. C. Sanders 2008-4-18 34977 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, at lowest wash-crossing of road in canyon 1029 Comment
  UCR86662  Linanthus bernardinus A. C. Sanders, G. K. Helmkamp 1995-4-30 16843 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
  UCR28734  Linanthus bigelovii A. C. Sanders 1976-4-26 018 San Bernardino Eastern Mojave Desert, Cima Dome, along the road from Valley Wells to Cima 1524 Comment
  UCR88725  Linanthus bigelovii A. C. Sanders, P. J. MacKay, G. K. Helmkamp, A. Knapp 1995-4-23 16657 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
  UCR86766  Linanthus breviculus A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-21 17087 San Bernardino San Bernardino Mtns, Coxey Road, 0.4 mi. above turnoff to Oak Spring, wash below Rattlesnake Spring 1600 Comment
  UCR184328  Linanthus ciliatus A. C. Sanders 2007-6-12 34144 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 1341 Comment
  UCR116438  Linanthus jonesii A. C. Sanders, Mitch Provance, Tim Thomas 2001-3-16 23786 San Bernardino Southcentral Mojave Desert, northern end of Sheep Hole Mountains, north side of Sheep Hole Pass, 1.3 mi. north of summit (microwave tower) 732 Comment
  UCR203520  Linanthus jonesii A. C. Sanders, Jim Andre, Brian A. Elliott, et al 2009-3-6 36254 San Bernardino Mojave Desert, Broadwell Valley, SW of Broadwell Lake on alluvial fan from the Cady Mtns. 424 Comment
  UCR213395  Linanthus jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37454 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR41642  Linanthus jonesii A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6208 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
  UCR85241  Linanthus jonesii A. C. Sanders, P. J. MacKay, C. L. Sanders, M. Jacobsmyer 1995-3-5 15996 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR25033  Linanthus lemmonii A. C. Sanders 1980-7-22 1736 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR83715  Linanthus liniflorus A. C. Sanders, P. J. MacKay 1994-6-19 14837 San Bernardino San Bernardino Mtns., lower Miller Canyon (E fork of W fork of Mojave River), below Pilot Rock Camp 1128 Comment
  UCR183676  Linanthus pygmaeus A. C. Sanders, T. B. Salvato, Mitch Provance 2007-5-11 33743 Kern Tehachapi Mountains, hills c. 3/4 mile east of Castac Lake, east of the pipeline road and west of Dry Field Canyon 1280 Comment
  UCR172725  Linaria canadensis A. C. Sanders, John F. Green 2006-5-18 32372 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR14554  Listera convallarioides A. C. Sanders 1974-8-4 0854 San Bernardino San Bernardino Mtns., lower edge of Slushy [South Fork] Meadows above Poopout Hill, along flume trail 2500 Comment
  RSA0010987  Lithophragma affine A. C. Sanders 1998-3-11 21681 Riverside North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR184523  Lithophragma parviflorum A. C. Sanders, Mitch Provance 2007-6-1 34038 B Kern Tehachapi Mtns., Johnson Canyon above Bear Trap Canyon, c. 7 miles NE of Lebec in vicinity of Calif. Aqueduct tunnel 1067 Comment
  SD126065  Logfia filaginoides A. C. Sanders 1988-4-21 7793 San Bernardino Cajon Pass area; alluvial fan between northwest of San Bernardino State College Devil Canyon anbd Bailey Canyon. 500 Comment
  UCR75505  Logfia filaginoides A. C. Sanders, E. J. Lott 1993-5-14 14032 San Bernardino San Bernardino Mtns., E of Yucaipa, east side of Water Canyon, a tributary of Wildwood Canyon from the north, SW foot of Pisgah Peak. Porter Ranch 1009 Comment
  UCR125169  Lolium perenne A. C. Sanders, Mark Elvin 2002-6-25 25280 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR152668  Lolium perenne A. C. Sanders, Helen Kennedy 2005-4-15 29541 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
  UCR192003  Lomatium dasycarpum A. C. Sanders 2008-4-17 34924 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  SD185112  Lomatium lucidum A. C. Sanders, Seung-Chul Kim 2005-5-7 30023 Riverside Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8.0 miles southeast of Temecula. 456 Comment
  UCR81812  Lomatium lucidum A. C. Sanders, P. MacKay 1994-6-12 14767 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
  SD125652  Lomatium nevadense A. C. Sanders 4-5 Apr 1987 6982 San Bernardino Hart Mine, southwest end of the Castle Mountains, east Mojave Desert 1370 Comment
  UCR127743  Lonicera subspicata A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26443 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
  SEINET2062211  Lotus grandiflorus A. C. Sanders 1986-5-26 6513 San Bernardino Cajon Pass, between San Bernardino and San Gabriel Mountains, E side of I-15 just S of the Oak Hill Road exit. 1277 Comment
  UCR152516  Lotus hamatus A. C. Sanders 2005-4-22 29601 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR136555  Lotus heermannii A. C. Sanders, Petra Wester 2004-5-21 27939 San Diego South Coast, Carlsbad, Agua Hedionda Ecological Reserve, near El Camino Real and Cannon Rd., vegetation restoration area 9 Comment
  RSA714884  Lotus humistratus A. C. Sanders, Mark A. Elvin 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
  UCR154602  Lotus humistratus A. C. Sanders, T. B. Salvato 2005-4-28 29763 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR159142  Lotus procumbens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16218 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR42618  Lotus procumbens A. C. Sanders 1986-5-26 6515 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
  UCR174218  Lotus purshianus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33042 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
  UCR193882  Lotus purshianus A. C. Sanders 2008-7-25 35895 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  RSA726010  Lotus salsuginosus A. C. Sanders, Tricia Wotipka, Mark Elvin 2003-4-28 26135 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. 488 Comment
  RSA734344  Lotus salsuginosus A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34631 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 366 Comment
  UCR250119  Lotus salsuginosus A. C. Sanders 2014-4-23 41053 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  IRVC26313  Lotus scoparius A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26478 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
  UCR196297  Lotus scoparius subsp. brevialatus A. C. Sanders 2007-1-26 33283 San Bernardino San Gabriel Valley, Upland, northwest side of town, just east of Los Angeles Co. line, long-abandoned (c. 40 years?) gravel pit at 210 Fwy and Base Line Rd, north side of Base Line 503 Comment
  UCR127970  Lotus scoparius var. scoparius A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26087 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
  UCR18185  Lotus strigosus A. C. Sanders 1978-4-30 00341 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  UCR192538  Lotus strigosus A. C. Sanders 2008-4-10 34839 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
  UCR205739  Lotus strigosus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36987 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  UCR226062  Lotus strigosus A. C. Sanders, T. B. Salvato 2011-4-1 38965 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  UCR251989  Lotus strigosus A. C. Sanders, T. B. Salvato 2014-7-2 41164 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR241520  Lotus strigosus var. tomentellus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40648 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  OBI42567  Ludwigia peploides A. C. Sanders, B. Pitzer, & A. Strickland, A. Strickland 1986-6-11 6596 San Bernardino Mojave Desert, Mojave River at the narrows between Victorville and Oro Grande, ca 2.5 mi W of hwy I-15 on the Natl Trls hwy, just above the bridge over the river 792 Comment
  UCR71613  Ludwigia repens A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11747 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  UCR210981  Lupinus A. C. Sanders, Fred M. Roberts, Katy Beck, Eve Laeger, et al 2009-3-26 36617 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
  UCR194560  Lupinus andersonii A. C. Sanders, Fred M. Roberts 2008-4-8 34763 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
  UCR94213  Lupinus andersonii A. C. Sanders, P. J. MacKay, Tim Thomas, G. P. Schultz, G. K. Helmkamp 1996-9-8 19538 San Bernardino San Bernardino Mountains, NW side of Bluff Lake 2317 Comment
  UCR279446  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-26 43074 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
  RSA714715  Lupinus bicolor A. C. Sanders 2005-5-5 29920 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark Plum. 701 Comment
  UCR187250  Lupinus bicolor A. C. Sanders 2006-4-18 32117 Los Angeles Tehachapi Mtns. Foothills, hills south of Oso Canyon on the west side of the Cement Plant Rd., c. 0.75 mile north of Quail Lake 1067 Comment
  UCR194517  Lupinus brevicaulis A. C. Sanders, Jim Andre, M. O. Bagley, A. Howald, et al 2008-3-19 34443 San Bernardino Eastern Mojave Desert, Ivanpah Valley near foot of Clark Mtn., just north of Antimony Gulch Wash and c. 2.2 mi. SE of Ivanpah Springs 1098 Comment
  RSA0093813  Lupinus concinnus A. C. Sanders 2010-4-6 37777 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
  SD144460  Lupinus concinnus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19883 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Balck Mtn, along the road. 518 Comment
  SD212610  Lupinus concinnus Andrew C. Sanders 2005-4-29 29793 San Diego Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, east of dirt road to Lake Poway near reserve boundary Quad: Escondido 7.5A Q. 213 Comment
  UCD107524  Lupinus concinnus A. C. Sanders; D. Malueg 1998-6-22 22027 Los Angeles San Gabriel Mtns. La Canada, SCE Gould Substation off Hwy 2, Gould Canyon. 595 Comment
  UCR110895  Lupinus concinnus A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 22003 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
  UCR28666  Lupinus excubitus A. C. Sanders 1976-5-25 00070 San Bernardino Eastern San Bernardino Mtns, Burns Canyon 1537 Comment
  UCR18055  Lupinus microcarpus A. C. Sanders 1978-5-7 00360 San Bernardino Northern Mojave Desert, Spangler Hills, SE of Ridgecrest along the Trona Road 915 Comment
  UCR51000  Lupinus microcarpus A. C. Sanders, E. J. Lawlor 1988-4-3 7742 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
  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
  UCR86885  Lupinus sparsiflorus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16290 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
  UCR87665  Lupinus sparsiflorus A. C. Sanders 1994-5-29 14562 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA734341  Lupinus succulentus A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34634 Orange Lomas de Santiago, upper Hicks Canyon, along haul road c. 1.75 mi. NE of Rattlesnake Reservoir 366 Comment
  SBBG120070  Lupinus succulentus A. C. Sanders, K. Volansky 2005-3-17 29211 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
  UCR127171  Lupinus succulentus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26138 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
  UCR191456  Lupinus succulentus A. C. Sanders, Linda Farley, Fred M. Roberts, D. E. Bramlet 2008-4-1 34634 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
  UCR75390  Lupinus succulentus A. C. Sanders 1993-4-11 13725 San Bernardino San Gabriel Mtns., San Bernardino Mtns., Cajon Pass, 0.8 mi. east of Cajon Junction on Hwy 138, Crowder Canyon 1000 Comment
  RSA732078  Lupinus truncatus A. C. Sanders, Fred M. Roberts 2008-3-25 34566 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  SD254705  Lycium andersonii A. C. Sanders, Jim Malusa, et al. 2016-3-5 42071 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, upper Mammoth Wash, below slot canyon. 438 Comment
  SEINET1908475  Lycium californicum A. C. Sanders 1993-1 33301 -B San Diego South Coast: along east side of Mission Bay near Riviera Dr., NW of Ingraham St. bridge, Crown Point. 3 Comment
  UCR136808  Lycium californicum A. C. Sanders, Petra Wester 2004-5-21 27959 San Diego South Coast, Carlsbad, Agua Hedionda Ecological Reserve, off Park St. near Laguna Riviera Park, along foot trail along NE side of reserve 9 Comment
  UCR152461  Lycium californicum A. C. Sanders, Lee Jones 2005-4-8 29341 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR195989  Lycium californicum A. C. Sanders 2007-2-23 33301 B San Diego South Coast, along east side of Mission Bay near Riviera Dr., NW of Ingraham St. bridge, Crown Point 3 Comment
  RSA0042075  Lycium torreyi A. C. Sanders, Ann Howald 2013-3-1 40592 Imperial Salton Sink, along San Felipe Creek south of Hwy 78, 0.22 km west of Hwy 86 opposite the Border Patrol checkpoint -54 Comment
  UCR77063  Lythrum californicum A. C. Sanders, E. J. Lott 1993-5-30 14118 San Bernardino Eastern Mojave Desert, Cornfield Spring Canyon, W slope of Providence Mtns, 4 mi SE of Kelso 976 Comment
  UCR154125  Lythrum hyssopifolia A. C. Sanders 2005-5-13 30227 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
  UCR111531  Machaeranthera canescens subsp. canescens A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22282 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UCR88551  Machaeranthera tortifolia A. C. Sanders 1995-4-13 16499 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
  UCR114747  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22798 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  UCR214241  Madia madioides A. C. Sanders 2010-6-26 38491 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
  UCD116404  Malacothamnus densiflorus A. C. Sanders; M. Elvin,C. Burrascano,A. Pignoli,A. Thompson, et al 2003-5-4 26500 San Diego Peninsular Range: Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail. 945 Comment
  UCR214317  Malacothamnus densiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38392 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
  UCR161513  Malacothamnus fasciculatus A. C. Sanders, T. B. Salvato 2005-9-9 31641 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, Leucadia, SW side near I-5 and La Costa Ave. 6 Comment
  UCR40903  Malacothamnus fremontii A. C. Sanders, F. C. Vasek 1984-6-6 5103 Kern Southern Sierra Nevada Mtns., E edge of Frazier Park along Frazier Mountain Park Road, c. 1 mi. west of the freeway junction 1463 Comment
  CAS-BOT-BC345427  Malacothrix clevelandii A. C. Sanders; P. MacKay; T. Thomas; O. Clarke 1997-5-4 20629 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UCR20755  Malacothrix glabrata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1310 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR210552  Malacothrix glabrata A. C. Sanders, Jim Andre, A. Howald 2009-3-30 36716 San Bernardino Mojave Desert, Pisgah, south of the Cady Mountains, around Pisgah electrical substation 633 Comment
  UCR261454  Malacothrix glabrata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41441 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
  UCR269857  Malacothrix glabrata A. C. Sanders, Jim Malusa 2016-3-17 42355 Riverside Sonoran (Colorado) Desert, north edge of Chocolate Mountains Aerial Gunnery Range, upper Arroyo Seco on south shoulder of Bradshaw Trail 686 Comment
  SD164848  Malephora crocea Andrew C. Sanders 2005-5-27 30291 San Diego Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center Comment
  CAS-BOT-BC170389  Malosma laurina A. C. Sanders; Mark Elvin 2000-8-4 23602 San Diego Monardella Gulch, tributary of Cottonwood Creek on W slope on Tecate Peak, above E end Marron Valley and just N of the Mexcian border, Otay Mountain Region 487 Comment
  CAS-BOT-BC175223  Malosma laurina A. C. Sanders; Kerry Knudsen 2004-10-15 28869 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
  RSA751794  Malosma laurina A. C. Sanders, Fred M. Roberts 2008-7-3 35685 Orange upper Weir Canyon, along Windy Ridge Rd. at huge sandstone boulder (visible on Google Earth), 1.3 mi. SE of Walnut Canyon Reservoir 314 Comment
  UCR41681  Malperia tenuis A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6195 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
  UCR251517  Malva neglecta A. C. Sanders, T. B. Salvato, Charlie Marquardt 2014-5-14 41105 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
  SD146225  Malva nicaeensis A. C. Sanders, Mitch Provance 1998-7-2 22137 Ventura Moorpark: Hills south of Tierra Rejada Valley, along Read Rd. ca. 0.5 mile east of Moorpark Rd. just west of Highway 23, ca. 1.0 mile northwest of Wood Ranch Reservoir, ca. 2.0 miles northeast of Thousand Oaks. 209 Comment
  SEINET998497  Malvaceae A. C. Sanders, T. B. Salvato 2006-1 32245 Riverside Riverside, UCR campus, weed in botanical garden. (Riverside East 7.5' Q) 351 Comment
  UCR161844  Malvella leprosa A. C. Sanders, T. B. Salvato 2005-10-7 31784 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
  UCR218008  Malvella leprosa A. C. Sanders, Dan S. Cooper 2010-8-5 38582 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UCR86255  Mammillaria tetrancistra A. C. Sanders, P. J. MacKay, et al 1995-4-2 16331 San Bernardino Mojave Desert, Stoddard Valley, Stoddard Wells Road, 12.3 mi. NE of Hwy I-15 (near Bell Mountain), E slope of Stoddard Mtn. 1113 Comment
  SEINET998505  Marah A. C. Sanders 2003-1 25776 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 (Azusa 7.5' Q) 520 Comment
  UCR142073  Marah A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26114 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
  UCR112549  Marah fabacea A. C. Sanders, K. C. Rose, Y. Moore 1998-6-3 21930 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
  UCR187116  Marah fabacea A. C. Sanders 2006-5-16 32363 Los Angeles Transverse Range; Liebre Mtns. Region, south of Hwy 138, 1.5 mi. ESE of Quail Lake in the San Andreas Rift Zone, NE of the Old Ridge Route 1037 Comment
  UCR192006  Marah fabacea A. C. Sanders 2008-4-17 34921 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  SEINET272157 Image available Marah macrocarpa A. C. Sanders 1997-4-1 19755 Riverside Box Springs Mountains: E side of Pigeon Pass Valley about 0.5 mile Nw of Lawless Ranch E of Hidden Springs Rd. intersection with Pigeon Pass Rd. 580 Comment
  UCR174046  Marah macrocarpa A. C. Sanders 2006-5-19 32449 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
  UCR27001  Marah oregana A. C. Sanders 1981-8-4 2261 Humboldt Patrick's Point State Park, north of Eureka 30 Comment
  SD260249  Marina parryi A. C. Sanders, Jim Malusa 2016-3-16 42296 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, canyon east of old Niland-Blythe Rd and powerlines, 2.1 km SW (227a^z) of Surveyors Pass (Augustine Pass 7.5'Q) 598 Comment
  UCR112635  Marrubium vulgare A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke, G. Ballmer 1997-4-13 20426 Kern San Joaquin Valley, San Emigdio Ranch, mouth of San Emigdio Canyon and adjacent slopes, SE of ranch headquarters 518 Comment
  RSA0059716  Matricaria discoidea A. C. Sanders, Mitch Provance 2007-6-1 34061 Kern Tehachapi Mtns: Johnson Canyon above Bear Trap Canyon, c. 7 miles NE of Lebec in vicinity of Calif. Aqueduct tunnel. 1006 Comment
  RSA714662  Matricaria globifera A. C. Sanders 2004-4-9 27479 Riverside Perris Valley: Ramona Expressway at east end of Lake Perris dam. 457 Comment
  UCR154080  Matricaria matricarioides A. C. Sanders 2005-5-6 29959 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
  UCR228922  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-3-28 38817 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  SD173466  Medicago lupulina Andrew C. Sanders 2005-6-29 31286 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
  UCR121619  Medicago lupulina A. C. Sanders, J. R. Ekhoff 2001-9-7 24857 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
  UCR85085  Medicago lupulina A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16028 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UCR91862  Medicago lupulina A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18115 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  SD173468  Medicago polymorpha Andrew C. Sanders 2005-6-17 31032 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 200 Comment
  UCR205627  Melaleuca citrina A. C. Sanders, T. B. Salvato 2009-5-19 36840 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
  RSA494611  Melianthus major A. C. Sanders 1988-5-18 7817 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Drive, and E of Vista Del Mar Blvd. 1 Comment
  UCR184648  Melica californica A. C. Sanders, Mitch Provance 2007-5-25 33960 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
  UCR261496  Melica californica A. C. Sanders, Robin Kinmont 2015-5-4 41619 Kern Tehachapi Mtns. Region, Brite Valley c. 10 km (airline) west of Tehachapi, along Cummings Valley Rd., NE of Cummings Valley 1248 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
  UCR214274  Melica frutescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37745 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  UCR226048  Melica frutescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38765 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  UCR88257  Melica frutescens A. C. Sanders, P. MacKay, A. Knapp, D & S. Kaufman 1995-4-9 16453 San Bernardino Mojave Desert, Stoddard Ridge at pipeline crossing near Traer Agua Canyon, c. 18 mi SSE of Barstow 1240 Comment
  IRVC26214  Melica imperfecta A. C. Sanders 2003-5-1 26246 Los Angeles NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons Western San Gabriel Mtns. 396 Comment
  UCR117083  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24212 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR154969  Melica imperfecta A. C. Sanders 2005-5-27 30295 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
  UCR184682  Melica imperfecta A. C. Sanders, Mitch Provance 2007-5-31 34019 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
  UCR86152  Melica stricta A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-5-21 17099 San Bernardino San Bernardino Mtns, west foot of Rattlesnake Mtn, 1.2 miles above the turnoff to Oak Spring on Coxey Rd. 1738 Comment
  UCR154811  Melilotus albus A. C. Sanders 2005-5-27 30302 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
  UCR125330  Melilotus indicus A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-1-25 25672 San Bernardino San Bernardino Mtns., 'The Narrows' in lower Crowder Canyon, Cajon Pass near Cajon Junction 945 Comment
  UCR158487  Melinis repens A. C. Sanders, J. R. Ekhoff, Meredith Osborne 2005-7-13 31392 San Diego Peninsular Range, Boden Canyon Ecological Reserve at E end of San Pasqual Valley, lower part of reserve along Santa Ysabel Creek, where road crosses near confluence of Boden Cyn. creek 220 Comment
  RSA628407  Mentha spicata A. C. Sanders, P. J. MacKay, G. K. Helmkamp, S. D. White 1994-8-21 15386 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
  UCR112120  Mentzelia A. C. Sanders, D. Malueg, K. D. Jones, et al. 1998-6-4 21966 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
  UCR241513  Mentzelia A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40643 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR263246  Mentzelia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41469 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
  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
  UCR91566  Mentzelia albicaulis A. C. Sanders, E. J. Lawlor 1988-4-3 7736 Los Angeles Southern Mojave Desert, 1.3 mi. NW of the San Bernardino County line on Hwy 138, c. 2 mi. NW of Pinyon Hills. 1159 Comment
  UCR184023  Mentzelia dispersa A. C. Sanders, T. B. Salvato, Mitch Provance 2007-5-16 33821 Kern Tehachapi Mountains, hills c. 0.2 mi. southeast of NE arm of Castac Lake 1159 Comment
  UCR184634  Mentzelia dispersa A. C. Sanders, T. B. Salvato 2007-6-7 34109 Kern Tehachapi Mtns., Geghus Ridge c. 8 miles NE of Lebec, south facing slopes above Bear Trap Canyon 1220 Comment
  UCR166226  Mentzelia jonesii A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-7 16945 San Bernardino San Bernardino Mtns/Mojave Desert, NE foot of the mtns, SE slope of Round Mtn, c. 0.5 mile below the Partin Brothers Mine (Terrace Springs) 1372 Comment
  UCR101459  Mentzelia laevicaulis A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22228 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  RSA734686  Mentzelia micrantha A. C. Sanders, T. B. Salvato 2008-5-13 35354 Orange 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
  UCR211019  Mentzelia obscura A. C. Sanders, A. Howald, Fred M. Roberts, et al 2009-3-25 36594 San Bernardino Mojave Desert, Cady Mountains, 3.5 miles SW of Broadwell Lake, c. 2.5 mi. NE of Sleeping Beauty Mtn. 610 Comment
  UCR91568  Mentzelia obscura A. C. Sanders 1991-5-6 10970 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
  UCR116648  Mentzelia puberula A. C. Sanders, Mitch Provance, Tim Thomas 2001-3-16 23818 San Bernardino Southcentral Mojave Desert, Sheep Hole Mountains, south side of Sheep Hole Pass, canyon east of the highway c. 0.6 mi. south of microwave tower 750 Comment
  UCR119281  Mentzelia ravenii A. C. Sanders, D. Malueg 1998-6-22 22041 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
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Apr 10 2008
  UCR210900  Mentzelia reflexa A. C. Sanders, Fred M. Roberts, Florence Caplow, et al 2009-3-23 36528 San Bernardino East-central Mojave Desert, north foot of Sleeping Beauty Mtn., valley c. 8.5 km west of Broadwell Dry Lake 671 Comment
  RSA0119037  Mentzelia veatchiana A. C. Sanders 2007-4-25 33579 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.25 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1159 Comment
  UCR166210  Mentzelia veatchiana A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-21 17028 San Bernardino San Bernardino Mtns, Grapevine Canyon Road, south of Apple Valley, 4.2 mi. above Santa Fe RR crossing, 0.6 mi. above microwave tower 1738 Comment
  UCR192179  Mentzelia veatchiana A. C. Sanders 2008-4-17 34943 Los Angeles Transverse Range, hills 1.5 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon 976 Comment
  SD212444  Mesembryanthemum crystallinum Andrew C. Sanders 2005-4-15 29519 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. Quad: Encinitas 7.5A Q. 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
  SD164846  Mesembryanthemum nodiflorum Andrew C. Sanders 2005-4-8 29395 San Diego Batiquitos Lagoon Ecological Reserve, just N of Leucadia, north side of the lagoon on east side of the I-5 Fwy Comment
  UCR112390  Mesembryanthemum nodiflorum A. C. Sanders, K. C. Rose 1998-5-21 21853 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR75555  Mesembryanthemum nodiflorum A. C. Sanders 1993-5-12 14003 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR152484  Metrosideros kermadecensis A. C. Sanders, Lee Jones 2005-4-8 29364 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA696126  Microseris douglasii A. C. Sanders, Carolyn Washburn 2001-4-17 24049 Riverside San Jacinto Valley: southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal. 457 Comment
  UCR246588  Microseris douglasii subsp. platycarpha A. C. Sanders 2012-3-22 39989 Riverside Peninsular Range; ElsinoreValley, Baker St., N edge of city of Lake Elsinore 412 Comment
  IRVC27957  Microseris heterocarpa A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26116 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
  RSA656545  Microseris heterocarpa A. C. Sanders 2000-5-25 23407 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
  UCR153311  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2005-4-26 29719 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
  UCR250580  Microseris heterocarpa A. C. Sanders 2014-4-18 41022 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  IRVC26280  Microseris lindleyi A. C. Sanders, Mark A. Elvin, et al. 2003-5-4 26507 San Diego Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail Peninsular Range 945 Comment
  RSA682083  Microseris lindleyi A. C. Sanders, Mark Elvin, C. Burrascano, A. Pignoli, A. Thompson, et al. 2003-5-4 26507 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
  UCR101347  Microseris lindleyi A. C. Sanders, G. F. Pratt & C. L. Pierce 1997-4-5 20258 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'), c. 5 km SW of Old Mormon Spring 1524 Comment
  UCR116413  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24187 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
  UCR158516  Microseris lindleyi A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30026 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
  UCR186961  Microseris lindleyi A. C. Sanders 2006-4-28 32225 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
  RSA599142  Microsteris gracilis subsp. gracilis A. C. Sanders, Scott D. White, G. K. Helmkamp, S. D. Boyd 1997-3-7 19809 Kern San Emigdio Ranch, 2.5 km N of Eagle Rest Peak on a dirt road, at head of a major tributary of Pleitito Creek. 1174 Comment
  IRVC26935  Mimulus aurantiacus var. pubescens A. C. Sanders 2003-4-28 26086 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  UCR102825  Mimulus aurantiacus var. pubescens A. C. Sanders 1997-3-26 20105 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR235115  Mimulus aurantiacus var. pubescens A. C. Sanders, Mihai Costea, T. B. Salvato, Benjamin T. Wilder 2012-5-8 40159 San Bernardino Western San Bernardino Mountains, Cleghorn Road (dirt), 1.9 miles airline ESE (97 deg. ) of Cajon Junction 1220 Comment
  UCR241958  Mimulus aurantiacus var. puniceus A. C. Sanders, John F. Green 2012-3-21 39981 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
  IRVC26211  Mimulus brevipes A. C. Sanders 2003-5-1 26245 Los Angeles NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons Western San Gabriel Mtns. 396 Comment
  RSA732274  Mimulus brevipes A. C. Sanders 2008-4-29 35125 Orange 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
  UCR117086  Mimulus brevipes A. C. Sanders, T. B. Salvato 2001-5-16 24300 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
  UCR110878  Mimulus floribundus A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 22008 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
  UCR154378  Mimulus floribundus A. C. Sanders, Mike Misenhelter 2005-6-15 30956 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
  UCR193862  Mimulus floribundus A. C. Sanders, Mitch Provance 2008-7-11 35768 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR230035  Mimulus floribundus A. C. Sanders 2011-7-2 39752 Santa Cruz Outer South Coast Range; Santa Cruz Mountains, upper Eureka Canyon Rd., above Corralitos, 0.67 mi. below Buzzard Lagoon Rd. junction 508 Comment
  UCR137034  Mimulus guttatus A. C. Sanders 2004-5-5 27781 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR86783  Mimulus palmeri A. C. Sanders, M. Jacobsmyer & CNPS field trip 1995-6-3 17244 San Bernardino San Bernardino Mtns, Snow Valley, north side of Hwy 18 opposite ski area Comment
  UCR154630  Mimulus pilosus A. C. Sanders, Mike Misenhelter 2005-6-15 31005 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
  UCR158806  Mimulus pilosus A. C. Sanders, Mark A. Elvin 2005-9-2 31602 Orange Peninsular Range; Santa Ana Mtns., mouth of Lion Canyon near Lower San Juan Picnic Area, San Juan Creek Canyon 427 Comment
  SEINET1007480  Minuartia douglasii A. C. Sanders 2003-1 26251 Los Angeles Western San Gabriel Mtns.: SE rim of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and south of the filtration plant, Newhall Ranch. 411 Comment
  UCR83908  Mirabilis albida A. C. Sanders, P. J. MacKay 1994-7-10 15015 San Bernardino San Bernardino Mtns., Cienaga Sec. Creek drainage at the beginning of the Wildhorse Trail, from Hwy 38 to c. 0.5 mi NE, c. 0.5 mi north of Heart Bar Campground 2100 Comment
  UCR41680  Mirabilis bigelovii A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6196 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
  SD164672  Mirabilis laevis Andrew C. Sanders 2004-5-21 27956 San Diego Carlsbad, Agua Hedionda Ecological Reserve, off Park St. near Laguna Riviera Park, along foot trail along NE side of reserve 3 Comment
  UCR188212  Mirabilis laevis A. C. Sanders, Mark A. Elvin, Tim Thomas 2007-10-5 34338 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
  CAS-BOT-BC384090  Mirabilis laevis var. villosa A. C. Sanders; Ed LaRue 1997-4-24 20586 San Bernardino San Bernardino Mtns.: BLM land on N 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
  RSA605746  Mirabilis tenuiloba A. C. Sanders, G. Helmkamp 1996-3-17 17990 Riverside Coachella Valley: Palm Springs, mouth of Palm Canyon, ca. 0.5km E of Palm Canyon Dr. on Bogert trail. 163 Comment
  UCR90803  Mirabilis tenuiloba A. C. Sanders, G. K. Helmkamp 1996-3-17 17990 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  RSA714682  Modiola caroliniana A. C. Sanders 2003-5-1 26287 Los Angeles San Gabriel Valley: Irwindale, near boundary of Azusa, south side of Montoya St. just east of Irwindale Ave., south of I-210. 171 Comment
  SBBG87620  Mohavea confertiflora A. C. Sanders 1986-3-9 6198 Imperial Fossil Cyn, on Shell Cyn Rd, 3.3 mi N of Imperial Hwy (County Rd S-2) at Ocotillo; Coyote Mtns 304 Comment
  UCR18338  Mohavea confertiflora A. C. Sanders, R. Twitchell 1978-4-7 89 San Bernardino Eastern Colorado Desert, Chemehuevi Valley, 5 miles SW of Havasu Lake, along Chemehuevi Wash near West Well 232 Comment
  UCR86731  Mohavea confertiflora A. C. Sanders, P. J. MacKay, G. K. Helmkamp, A. Knapp 1995-4-23 16701 San Bernardino San Bernardino Mtns/ Mojave Desert, Rattlesnake Canyon near Rattlesnake Spring 1220 Comment
  CAS-BOT-BC435030  Mollugo verticillata A. C. Sanders; Dan S. Cooper 2010-8-5 38534 Los Angeles South Coast: Madrona Marsh Preserve, Torrance. 24 Comment
  UCR116272  Monardella A. C. Sanders, Mark Elvin 2001-8-3 24567 San Bernardino Eastern Mojave Desert, Clark Mountain, 'Fir Canyon' on north side, 1-2.2 km above Green's Well Rd. 1707 Comment
  UCR137244  Monardella breweri subsp. lanceolata A. C. Sanders 2004-6-25 28312 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
  IRVC28229  Monardella hypoleuca A. C. Sanders, Mark A. Elvin 2005-9-2 31607 Orange Upper Holy Jim Canyon, a major tributary of Trabuco Cyn, along the trail in switchbacks. Peninsular Ranges, Santa Ana Mtns 820 Comment
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Aug 13 2012
  OBI52772  Monolepis nuttalliana A. C. Sanders & E. J. Lawlor, E. J. Lawlor 1988-1 7710 Kern Mojave Desert, sand dunes on the S side of Koehn Dry Lake, S of Munsey rd at a point 4 mi E of Neuralia Rd 610 Comment
  SEINET270248  Monolepis nuttalliana A. C. Sanders, M. Skinner 1995-4-6 16398 San Bernardino Mojave Desert: Southeast end of Coyote Dry Lake 0.7 miles Northwest of Powerlines on a wide dirt road about 20 miles n 545 Comment
  UCR203541  Monolepis nuttalliana A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-3 36196 San Bernardino Mojave Desert, Broadwell Valley, NW edge of Broadwell Lake, below junction with road to Old Dominion Mine 1203 Comment
  UCR159269  Monolepis spathulata A. C. Sanders, R. T. Hawke, et al. 2005-7-3 31320 San Bernardino San Bernardino Mtns., Cienaga Seca, Blue Sky Meadow Science Camp, S and W sides of the meadow 2470 Comment
  UCR19254  Monolepis spathulata A. C. Sanders 1978-5-30 00697 Inyo Northern Mojave Desert, Death Valley region; campground near the summit of Hunter Mountain in the vicinity of Jackass Spring, north of Panamint Valley 2134 Comment
  RSA554011  Monoptilon bellioides A. C. Sanders, E. J. Lawlor 1992-4-4 12130 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SEINET10389868  Monoptilon bellioides A. C. Sanders, Jim Malusa, M. Baker, M. Cloud-Hughes 2016-3-5 42064 Imperial Chocolate Mountains, head of Mammoth Wash, above 'slot' canyon in upper gorge 488 Comment
  CAS-BOT-BC173214  Muehlenbeckia complexa A. C. Sanders 2007-6-23 34217 Santa Cruz Central Coast: Santa Cruz, cliffs on the east side of the mouth of the San Lorenzo River, downstream of the RR trestle 3 Comment
  RSA725809  Muehlenbeckia complexa A. C. Sanders 2007-6-23 34217 Santa Cruz Central Coast: Santa Cruz, cliffs on the east side of the mouth of the San Lorenze River, downstream of the RR trestle. 0 Comment
  UCR75627  Muhlenbergia californica A. C. Sanders, O. F. Clarke, T. Krantz, R. F. Thorne 1993-4-27 13813 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
  RSA605174  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. J. MacKay, et al. 1995-3-19 16182 Riverside Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Hwy 111 (Palm Canyon Dr.) 490 Comment
  UCR213463  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38364 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
  UCR92720  Muhlenbergia richardsonis A. C. Sanders, P. J. MacKay 1994-7-17 15104 San Bernardino San Bernardino Mtns., Wildhorse Meadow at and just below Wildhorse Spring 2690 Comment
  UCR154427  Muhlenbergia rigens A. C. Sanders 2005-6-2 30382 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
  UCR209181  Muhlenbergia rigens A. C. Sanders, T. B. Salvato 2005-6-17 31052 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
  UCR88204  Myosurus apetalus A. C. Sanders, P. J. MacKay, A. Meyer 1995-6-11 17313 San Bernardino San Bernardino Mtns., Smart's Ranch Road (3N03) crossing of Arrastre Creek, 4.9 mi SE of Hwy 18 1845 Comment
  CAS-BOT-BC83352  Myosurus minimus A. C. Sanders 1993-4-5 13691 Riverside Western edge of Hemet, along south side of Devonshire Avenue, between Old Warren and Warren Roads. 460 Comment
  UCR18282  Nama demissa A. C. Sanders, R. Twitchell 1978-4-5 00382 San Bernardino Central Mojave Desert, south of East Cronese Dry Lake at the Basin Road. exit off Interstate Hwy 15 366 Comment
  OBI43746  Nama rothrockii A. C. Sanders, K. & R. Cooper 1986-7-25 6971 San Bernardino San Bernardino Mts, Holcomb Crk drainage, 2.6 mi NE of forest rd 3N14 on rd 3N08, 3 mi (airline) N of Fawnskin T3N, R1W, sec 26 2195 Comment
  RSA628886  Nassella cernua A. C. Sanders 1994-5-29 14558 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr., (116 deg 48'W, 33 deg 57'N) 750 Comment
  RSA712979  Nassella lepida A. C. Sanders, Mark A. Elvin 2003-5-13 26626 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 Comment
  RSA734670  Nasturtium officinale A. C. Sanders, T. B. Salvato 2008-5-13 35375 Orange Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  SD173531  Navarretia atractyloides Andrew C. Sanders 2005-6-2 30353 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
  UCD61813  Navarretia mitracarpa A. C. Sanders; T. B. Salvato 2005-5-24 30280 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, ca. 0.5 mi. NW of community of Mint Canyon. 549 Comment
  UCR127475  Navarretia ojaiensis A. C. Sanders, Tricia Wotipka 2003-5-14 26643 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 Comment
  UCR42804  Nemacladus glanduliferus A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6212 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
  UCR58344  Nemacladus orientalis A. C. Sanders, B. Pitzer, D. Charlton, R. Kniffen, J. Stewart, Howie Weir, D. E. Bramlet 1986-3-9 6212 B 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
  UCR17794  Nemacladus rubescens A. C. Sanders 1978-4-26 00260 San Bernardino Southern Mojave Desert, c. 15 mi north of Yucca Valley near Giant Rock 854 Comment
  UCR41897  Nemacladus rubescens A. C. Sanders, T. R. Van Devender, Steve Boyd, B. Pitzer 1986-4-12 6432 San Bernardino Mojave Desert, Lucerne Valley, 2.9 mi west of the junction of Hwy 18 and the Old Woman Springs Road in the town of Lucerne Valley, west end of the granite hills that include Strawberry Peak 917 Comment
  UCR139560  Nemacladus sigmoideus A. C. Sanders, P. J. MacKay, E. J. Lawlor, D. L. Sanders 2004-6-27 28342 San Bernardino San Bernardino Mountains, Little Bear Creek, c. 1.5 mi. ENE of Lake Arrowhead, above confluence with Hooks Creek 1470 Comment
  UCR127498  Nemacladus tenuis var. tenuis A. C. Sanders, G. Nuhn 1995-4-20 16586 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UCR116909  Nemophila menziesii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23964 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR183680  Nemophila menziesii A. C. Sanders, T. B. Salvato, Mitch Provance 2007-5-11 33749 Kern Tehachapi Mountains, hills c. 3/4 mile east of Castac Lake, east of the pipeline road and west of Dry Field Canyon 1280 Comment
  UCR192038  Nemophila menziesii A. C. Sanders 2008-4-11 34859 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, NW of VABM 'Pine 970 Comment
  UCR280648  Nemophila parviflora A. C. Sanders 2017-5-27 43252 Tuolumne Sierra Nevada Mountains, near waterfall on Rose Creek below Forest Route 4N01 (Italian Bar Rd.) crossing, c. 4.5 miles airline NW (325 deg. ) of Twain Harte 909 Comment
  SD143869  Nepeta cataria A. C. Sanders 1994-11-6 15960 San Bernardino San Bernardino Mts. Burnt Mill Canyon Rd 2N03 between Silverwood Lake and Cedarpines Park 1529 Comment
  UC2015580  Nicotiana clevelandii A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16051 Imperial Salton Sink: Travertine Point, W side of Hwy 86 just S of the Riverside Co. line. Comment
  RSA751791  Nicotiana glauca A. C. Sanders, Fred M. Roberts 2008-7-3 35687 Orange 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. 275 Comment
  UCR125242  Nicotiana glauca A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25500 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  UCR203513  Nicotiana obtusifolia A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-8 36280 San Bernardino Mojave Desert, Cady Mountains at edge of Broadwell Valley, south of powerline road c. 10 mi. NE of I-40, south of peak 2633, north of Sleeping Beauty Mtn. 598 Comment
  UCR184637  Nicotiana quadrivalvis A. C. Sanders, Mitch Provance, T. B. Salvato 2007-6-6 34077 Kern Tehachapi Mtns., Bear Trap Canyon c. 7 miles NE of Lebec 1067 Comment
  UCR266558  Notholaena californica A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-21 41936 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, high ridges NNW of Salvation Pass, W of N fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 640 Comment
  SD164616  Nuttallanthus texanus A. C. Sanders 2005-3-11 29163 San Diego South Coast: Carlsbad, Carlsbad Highlands Ecological Reserve, slopes & canyons ca. 0.75 mi. south of Cerro de la Calavera, southwest of the end of Cannon Rd. (San Luis Rey 7.5A quad.) at edges of shrub stands 91 Comment
  UCR82776  Oenanthe sarmentosa A. C. Sanders, P. MacKay, S. White & C. Sanders 1994-9-18 15686 San Bernardino San Bernardino Mtns., Santa Ana River Canyon along Seven Oaks Road 1745 Comment
  UCR210852  Oenothera deltoides A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-31 36728 San Bernardino Mojave Desert, along powerline route NE of Pisgah substation, south of the Cady Mountains, from where powerlines cross RR to c. 2 miles north 671 Comment
  UCR241541  Oenothera deltoides A. C. Sanders, Ann Howald 2013-2-28 40580 Imperial Sonoran (Colorado) Desert, along dirt track 1.03 km due north of Hwy 98, track joins Hwy c. 9.9 km west of Mt. Signal at Brockman Rd., 0.8 mi. from hwy via the track 30 Comment
  SD167073  Oenothera elata Andrew C. Sanders 2005-9-9 31655 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
  UCR34361  Oenothera elata A. C. Sanders, N. M. Fellows 1983-10-12 3995 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
  RSA654792  Oenothera laciniata A. C. Sanders 1997-5-18 20716 San Bernardino San Bernardino Valley: Redlands, California St. near S.B. County Museum and at Lugonia Ave. (between I-10 and Lugonia). (UTM 10km cell: 11S MH-7E, 6N. Loma Linda.) 354 Comment
  UCR90990  Oenothera laciniata A. C. Sanders 1996-2-18 17953 San Diego Coronado Island, S side, N Island Naval Air Station, parking lot in front of Island Club (officer's club). Near (S of) the airfield and c. 500 m north of the beach 2 Comment
  VVC1115  Oenothera laciniata A. C. Sanders, J. Mac 1998-10-17 22268 Orange Coastal flats, Bolsa Chica, near Bolsa Bay, south of Warner Ave., E of the Pacific Coast Highway .3 Comment
  SEINET238927 Image available Olea europaea A. C. Sanders, D. Malueg; K. D. Jones 1999-11-20 23289 Los Angeles Santa Susana Mountains: Aliso Cyn watersheds (Oat Mtn. 7.5' Q.) Olive groves near spring in grassland at edge of oak fil 610 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
  SBBG87842  Oligomeris linifolia A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6114 Riverside Corn Spring, Chuckalla Mtns, wash below the spring; T6S, R16E, S28 487 Comment
  SEINET13311355  Oligomeris linifolia A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-20 41910 Imperial Sonoran (Colorado) Desert: Chocolate Mountains, lower Salvation Wash below confluence of E and N forks, US Navy Chocolate Mountains Aerial Gunnery Range. 267 Comment
  UCR210967  Oligomeris linifolia A. C. Sanders, Fred M. Roberts, Florence Caplow, et al 2009-3-23 36519 San Bernardino East-central Mojave Desert, north foot of Sleeping Beauty Mtn., valley c. 8.5 km west of Broadwell Dry Lake 671 Comment
  UCR241577  Oligomeris linifolia A. C. Sanders, Fred M. Roberts, T. B. Salvato 2013-5-1 40811 Imperial Sonoran (Colorado) Desert, Chuckwalla Bench, south of Chuckwalla Mountains, c. 2.4 km SE of Raineys Well 484 Comment
  CAS-BOT-BC348037  Oncosiphon piluliferum A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga region: Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mi. S of Oleander Ave., at S end of Patterson Ave. 457 Comment
  SD148227  Oncosiphon piluliferum A. C. Sanders, Mirch Provance and T. B. Salvato 2001-5-8 24210 Riverside Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mile south of Van Buren Blvd. 465 Comment
  SD164794  Oncosiphon piluliferum Andrew C. Sanders 2004-6-18 28193 San Diego Carlsbad, near Oceanside city limit, upper end of Buena Vista Lagoon at intersection of Jefferson St. and Lagoon View Dr. 4 Comment
  SEINET15324998  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-1 24210 Riverside Perris-Aguanga region; Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi S of van Buren Blvd. (Riverside east 7.5' Quad) 465 Comment
  UCD134652  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley: Ramona Expressway at east end of Lake Perris dam. 457 Comment
  UCR116800  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Perris-Aguanga region, Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. south of Van Buren Blvd. 465 Comment
  UCR279368  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41500 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
  UCR41418  Opuntia erinacea A. C. Sanders 1984-4-21 5019 Riverside San Jacinto Mtns., Pinyon Flats, rocky S facing slope south of Hwy 74 and west of the dolomite mine 1220 Comment
  UCR42629  Opuntia oricola A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 6462 Riverside Santa Rosa Plateau, Santa Ana Mtns., Sandia Canyon, south side of Mesa de Burro, just below large water tanks near intersection of De Luz and Rancho Califonia Roads 457 Comment
  SBBG83852  Opuntia phaeacantha A. C. Sanders, B. Pitzer, A. Strickland 1986-6-11 6599 San Bernardino Cactus Flat at the head of Cushenbury Cyn, 5.2 mi above Camp Rock Rd 1798 Comment
  UCR193274  Orobanche fasciculata A. C. Sanders, Fred M. Roberts 2008-6-17 35508 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, Windy Ridge Rd., saddle on ridge at head, above the Eastern Transportation Corridor 400 Comment
  UCR281032  Orobanche uniflora A. C. Sanders, Mark Bibbo, Morgan King, Huang-Chi Kuo 2017-6-6 43289 San Bernardino San Bernardino Mountains, Holcomb Valley, along SCE powerline c. 60 m north of Holcomb Valley Road (3N16) intersection with Union Flat Rd. 2252 Comment
  SD140163  Osmorhiza brachypoda A. C. Sanders 1993-4-7 13704 San Bernardino San Bernardino Mountains, east side of Water Canyon, a tributary of Wildwood Canyon from the north, Southwest foot of Pisgah Peak,PorterRanch 975 Comment
  UCR184330  Osmorhiza brachypoda A. C. Sanders 2007-6-12 34162 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 1341 Comment
  SD212677  Oxalis pes-caprae Andrew C. Sanders 2005-4-29 29789 San Diego Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, east of dirt road to Lake Poway near reserve boundary Quad: Escondido 7.5A Q. 213 Comment
  UCR154998  Oxalis pes-caprae A. C. Sanders 2005-4-29 29789 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
  CAS-BOT-BC228561  Oxystylis lutea A. C. Sanders 2011-5-12 39639 Inyo NE Mojave Desert: 6.1 miles east of Tecopa Post Office on Old Spanish Trail Hwy, 4.6 miles east of Furnace Creek Rd. to China Ranch 575 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
  RSA614696  Paeonia californica A. C. Sanders, P. J. MacKay, G. F. Pratt 1997-1-26 19667 San Bernardino San Bernardino National Forest, Lost Lake in lower Lone Pine Canyon, brushy slopes NW of lake, San Andreas rift zone. 854 Comment
  UCR155331  Paeonia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29271 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  IRVC26994  Palafoxia arida A. C. Sanders, Mark A. Elvin 2003-10-5 27281 San Bernardino along Hwy 62 east of Twentynine Palms, ca. 1 mile east of Old Dale Southern Mojave Desert 390 Comment
  SEINET2042532 Image available Palafoxia arida A. C. Sanders 2001-4-6 23948 San Bernardino (Desert Hot Springs Qud 7.5') Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. & Atlantic, N of flood control ditch. T2S R4E S25. 348 Comment
  UCR31128  Parietaria hespera var. hespera A. C. Sanders 1983-4-23 3758 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
  UCR75653  Parietaria hespera var. hespera A. C. Sanders, O. F. Clarke, T. Krantz, R. F. Thorne 1993-4-27 13807 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
  UCR88635  Parishella californica A. C. Sanders, P. J. MacKay, G. K. Helmkamp, A. Knapp 1995-4-23 16638 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
  HSC78740  Parkinsonia florida A. C. Sanders 1983-4-23 3749 San Bernardino Colorado River Valley, just N of the Riverside Co. line, 5 mi. SE of Vidal 122 Comment
  SD173351  Paspalum dilatatum Andrew C. Sanders 2004-6-10 28119 San Diego Carlsbad, Agua Hedionda Ecological Reserve, near El Camino Real and Cannon Rd., along lower Agua Hedionda Creek 9 Comment
  UCR217712  Paspalum dilatatum A. C. Sanders, Dan S. Cooper 2010-8-5 38550 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA614525  Paspalum distichum A. C. Sanders, T. Schram, D. Wappler 1994-9-30 15727 San Bernardino Lower Deep Creek from the spillway of the Mojave River Forks Dam upstream to the hot springs. 917 Comment
  SD239617  Pectis papposa A. C. Sanders, Mark A. Elvin 2007-10-6 34409 San Bernardino Central Mojave Desert: Ord Mountains, lower part of canyon below Willow Spring (Ord Mountain 7.5'Q) 1392 Comment
  UCR125909  Pectis papposa A. C. Sanders, G. R. Ballmer 2002-11-9 25616 San Bernardino Eastern Mojave Desert, Essex, around the post office 526 Comment
  UCR145149  Pectis papposa A. C. Sanders, Mark A. Elvin 2004-10-10 28944 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
  UCR18361  Pectis papposa A. C. Sanders 1979-10-14 00160 San Bernardino Eastern Mojave Desert, Kelso, alluvial fan at the edge of town 671 Comment
  UCR163921  Pectocarya heterocarpa A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29133 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA716825  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25838 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SD144479  Pectocarya linearis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19857 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UCR107715  Pectocarya linearis A. C. Sanders 1997-3-1 19744 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR113195  Pectocarya linearis A. C. Sanders 1998-3-11 21675 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 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
  UCR250362  Pectocarya linearis A. C. Sanders 2014-4-9 40993 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  RSA497629  Pectocarya penicillata A. C. Sanders 1988-3-5 7695 Kern S side of Koehn Dry Lake, S of Munsey Rd. at a point 4 mi E of Neuralia Rd. 610 Comment
  SEINET3084017 Image available Pectocarya penicillata Andrew C. Sanders, E. J. Lawlor 1988-3-5 7709 Kern Mojave Desert; S side of Koehn Dry Lake, south of Munsey Rd. at a point 4 mi east of Neuralia Rd. 610 Comment
  UCR126910  Pectocarya penicillata A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26196 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  UCR205683  Pectocarya penicillata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36920 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  UCR213612  Pectocarya penicillata A. C. Sanders, Matthew Malle 2010-4-23 38004 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  OBI38358  Pectocarya peninsularis A. C. Sanders, B. Pitzer, & D. Charlton, D. Charlton 1986-3-1 6017 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff rd from Hayfield rd to the dirt rd to the Colorado River Aqueduct (T5S, R13E, SW 1/4 sec 30) 427 Comment
  UCR163141  Pectocarya peninsularis A. C. Sanders, G. K. Helmkamp & P. J. MacKay 1995-3-12 16085 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  OBI38914  Pectocarya platycarpa A. C. Sanders, B. Pitzer, D. Charlton, & Kniffen, Kniffen 1986-3-3 6123 Riverside Corn Spring, Chuckwalla Mts, wash below the spring and wash and rocky slopes to the south (T6S, R16E, sec 28-projected) 488 Comment
  SD237375  Pectocarya platycarpa A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-5 36229 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 Mountain (Sleeping Beauty 7.5'Q) 583 Comment
  UCR214882  Pectocarya platycarpa A. C. Sanders 2010-3-15 37396 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
  SEINET3124279 Image available Pectocarya recurvata A. C. Sanders 2009-3-14 36382 San Bernardino Mojave Desert: Cadiz Valley, c. 3.5 miles (air) SW of Chambless, near the RR (Cadiz 7.5' Q.) 203 Comment
  UCR116441  Pectocarya recurvata A. C. Sanders, Mitch Provance, Tim Thomas 2001-3-16 23789 San Bernardino Southcentral Mojave Desert, northern end of Sheep Hole Mountains, north side of Sheep Hole Pass, 1.3 mi. north of summit (microwave tower) 732 Comment
  UCR203516  Pectocarya recurvata A. C. Sanders 2009-3-11 36302 San Bernardino Mojave Desert, Cady Mountains at edge of Broadwell Valley, south of powerline road at a point c. 10 mi. NE of I-40, SW of peak 2633, north of Sleeping Beauty Mtn. 620 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
  UCR196291  Pellaea andromedifolia A. C. Sanders 2007-1-26 33295 San Bernardino San Gabriel Valley, Upland, northwest side of town, just east of Los Angeles Co. line, long-abandoned (c. 40 years?) gravel pit at 210 Fwy and Base Line Rd, north side of Base Line 503 Comment
  RSA0047676  Pellaea mucronata A. C. Sanders, Mitch Provance 2007-6-1 34063 Kern Johnson Canyon above Bear Trap Canyon, c. 7 miles NE of Lebec in vicinity of Calif. Aqueduct tunnel 1006 Comment
  RSA667002  Pellaea mucronata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24196 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
  RSA731966  Pennisetum setaceum A. Sanders 2008-4-29 35138 Orange Lomas de Santiago, western end of Loma Ridge on road to shriff's training facility, c. 1.5mi SW of Santiago Reservoir. 335 Comment
  SD164854  Pennisetum setaceum A. C. Sanders 2005-4-8 29388 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, Encinitas 7.5A quad at top of rip-rap on freeway berm (IPB 3/07) 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
  UCR42794  Penstemon eatonii A. C. Sanders, T. R. Van Devender, Steve Boyd, B. Pitzer 1986-4-12 6423 San Bernardino San Bernardino Mtns, N side of mtns, Cushenbury Canyon, c. one-half mi. below Whiskey Springs, and 3.25 mi. above Camp Rock Road. 1585 Comment
  RSA0040225  Penstemon laetus subsp. laetus A. C. Sanders 2007-6-27 34243 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
  UCR213573  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37815 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
  RSA0057876  Pentagramma triangularis subsp. triangularis A. C. Sanders, Mitch Provance 2007-6-1 34041 Kern Johnson Canyon above Bear Trap Canyon, c. 7 miles NE of Lebec in vicinity of Calif. Aqueduct tunnel 1006 Comment
  UCR14718  Perideridia parishii A. C. Sanders, Jeanine Derby 1975-7-14 0599 San Bernardino San Bernardino Mtns., Bluff Lake 2317 Comment
  UCR266726  Perityle emoryi A. C. Sanders, J. Malusa 2016-1-22 41954 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, 100 m radius around Beal's Well, US Navy Chocolate Mountains Aerial Gunnery Range 412 Comment
  UCR279070  Perityle emoryi A. C. Sanders, Jim Malusa 2017-3-11 42820 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Niland to Pegleg Well Rd., in mouth of the canyon of Salvation Wash, 20.45 km due east (90 deg. ) of Niland 262 Comment
  UCR279105  Perityle emoryi A. C. Sanders, Jim Malusa 2017-3-11 42798 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Niland to Pegleg Well Rd., 14 km ESE (96 deg. ) of Niland 95 Comment
  UCR281925  Petalonyx thurberi A. C. Sanders, Jim Malusa 2017-9-20 43345 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, in canyon 2 km NW (303 deg. ) of Tabaseca Tank, 6.2 km SE of Salt Creek at mouth of Red Canyon 573 Comment
  IRVC27274  Phacelia cicutaria var. hispida A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26314 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
  IRVC28398  Phacelia cicutaria var. hispida A. C. Sanders, Tricia Wotipka 2003-5-15 26689 Ventura crest of the range 2 km west of Los Angeles Co. line, SW edge of Newhall Ranch Santa Susana Mtns. 762 Comment
  UCR153468  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2005-4-26 29718 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
  RSA733877  Phacelia cicutaria var. hubbyi A. C. Sanders, Fred M. Roberts 2008-4-8 34745 Orange Peninsular Range: Lomas de Santiago, Loma Ridge, head of Hicks Canyon. S of Santiago Reservoir. 351 Comment
  UCR184474  Phacelia congdonii A. C. Sanders, T. B. Salvato 2007-6-7 34097 Kern Tehachapi Mtns., Geghus Ridge c. 8 miles NE of Lebec, ridge tops above Bear Trap Canyon 1402 Comment
  UCR21110  Phacelia crenulata A. C. Sanders 1980-5-25 388 San Bernardino Eastern Mojave Desert, Shadow Valley, near Valley Wells; just north of Hwy I-15 at its junction with Excelsior Mine Road 1131 Comment
  UCR68875  Phacelia crenulata A. C. Sanders 1991-5-6 10958 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
  SEINET10389783  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2015-3-7 41316 Imperial Chocolate Mountains, side canyon west of north fork of Salvation Wash, US Navy Chocolate Mountains Aerial Gunnery Range 457 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
  UCR203915  Phacelia crenulata var. ambigua A. C. Sanders, Jim Andre 2009-3-12 36338 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
  UCR214277  Phacelia crenulata var. ambigua A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37480 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
  RSA680937  Phacelia cryptantha A. C. Sanders, Mark A. Elvin 2003-4-5 25911 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
  UCR192192  Phacelia cryptantha A. C. Sanders 2008-4-18 34968 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 1004 Comment
  UCR88254  Phacelia cryptantha A. C. Sanders, P. MacKay, A. Knapp, D & S. Kaufman 1995-4-9 16427 San Bernardino Mojave Desert, Stoddard Ridge at pipeline crossing near Traer Agua Canyon, c. 18 mi SSE of Barstow 1240 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
  CAS-BOT-BC434980  Phacelia distans A. C. Sanders; Mitch Provance 2007-6-1 34074 Kern Tehachapi Mtns.: hills east of Castac Lake and of the gas line route. 1220 Comment
  RSA613902  Phacelia distans A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20641 Riverside San Jacinto Mountains north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740. Comment
  SD164690  Phacelia distans Andrew C. Sanders 2005-4-15 29556 San Diego Batiquitos Lagoon Ecological Reserve, north side east of the I-5 Fwy, along the trail past the nature center Comment
  SD185238  Phacelia distans A. C. Sanders, Helen Kennedy 2005-4-13 29463 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 Comment
  UC2015576  Phacelia distans A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16090 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR126339  Phacelia distans A. C. Sanders 2003-3-14 25753 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
  UCR139573  Phacelia distans A. C. Sanders, P. J. MacKay, E. J. Lawlor, D. L. Sanders 2004-6-27 28361 San Bernardino San Bernardino Mountains, Little Bear Creek, c. 1.5 mi. ENE of Lake Arrowhead, above confluence with Hooks Creek 1470 Comment
  UCR228918  Phacelia distans A. C. Sanders 2011-4-6 39014 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
  UCR50986  Phacelia distans A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7770 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  HSC87016  Phacelia fremontii A. C. Sanders, E. J. Lawlor 1988-4-25 7700 Kern Mojave Desert, on the S side of Koehn Dry Lake, S of Munsey Rd. at a point 4 mi. E of Neuralia Rd. 610 Comment
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Dec 7 2014
  RSA763021  Phacelia fremontii A. C. Sanders, A. Howald, Florence Caplow 2010-5-3 38189 San Bernardino Ivanpah Valley, alluvial slopes below Clark Mountain, proposed utility corridor from dirt road (at given coordinates) north to Kern gas pipeline corridor scar 915 Comment
  IRVC26273  Phacelia grandiflora A. C. Sanders, Mark A. Elvin, et al. 2003-5-4 26503 San Diego Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail Peninsular Range 945 Comment
  UCR281067  Phacelia hastata A. C. Sanders, Mark Bibbo, Morgan King, Huang-Chi Kuo 2017-6-13 43303 San Bernardino San Bernardino Mountains, above Furnace Creek Road (3N54) on trail toward Sentinel Quarry, head of Furnace Canyon c. 0.4 km SE of the quarry 2236 Comment
  UCR163701  Phacelia hastata subsp. hastata A. C. Sanders, R. T. Hawke, et al. 2005-7-4 31375 San Bernardino San Bernardino Mtns., Cienaga Seca, Blue Sky Meadow Science Camp, N and W sides of the meadow 2470 Comment
  IRVC28742  Phacelia imbricata A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25575 Los Angeles Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, N of East Fork Salt Canyon NE end of Santa Susana Mtns. 488 Comment
  UCR136276  Phacelia minor A. C. Sanders 2004-4-20 27552 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
  UCR193499  Phacelia minor A. C. Sanders, T. B. Salvato 2008-5-13 35363 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  SD225000  Phacelia parishii A. C. Sanders, M. Skinner 1995-4-6 16397 San Bernardino Mojave Desert: SE end of Coyote Dry Lake, 0.7 mi. NW of powerlines on a wide dirt road used by tanks and other military vehicles, ca. 20 mi. NE of Barstow. 541 Comment
  RSA732082  Phacelia parryi A. C. Sanders, Fred M. Roberts 2008-3-25 34551 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills. 259 Comment
  UCR126706  Phacelia ramosissima A. C. Sanders, Mark Elvin 2003-8-7 27163 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  UCR137317  Phacelia ramosissima A. C. Sanders, P. J. MacKay, Tim Thomas, Mitch Provance, Petra Wester 2004-6-12 28180 San Bernardino San Bernardino Mtns., Arrastre Creek at Smart's Ranch Road (FS 3N03) crossing c. 5 miles SE of Hwy 18 1829 Comment
  VVC2699  Phacelia ramosissima A. C. Sanders, J. Mac 2004-6-12 28180 San Bernardino San Bernardino Mtns., Arrastre Creek at Smart's Ranch Road (FS 3N03) crossing c. 5 miles SE of Hwy 18 1829 Comment
  RSA0047570  Phacelia tanacetifolia A. C. Sanders, Mitch Provance, T. B. Salvato, Keller Keller 2007-4-3 33350 Kern canyon just west of Bronco Canyon, but draining toward mouth of Big Sycamore Canyon 1052 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
  RSA747001  Phacelia tanacetifolia A. C. Sanders, Jim Andre 2009-3-7 36271 San Bernardino south of I-40 at Barstow/Daggett Airport Rd. (=Hidden Springs Rd.) exit, c. 1.1 mi. airline SW of the airport 635 Comment
  UCR193582  Phacelia tanacetifolia A. C. Sanders 2008-5-4 35193 San Benito Inner Coast Range, New Idria Road 17.8 miles above (south of) Panoche Rd., 2.8 miles below New Idria Mine site 519 Comment
  UCR192520  Phacelia vallis-mortae A. C. Sanders 2008-4-2 34691 San Bernardino Eastern Mojave Desert, Ivanpah Valley, foothills and alluvial slopes along powerline road from Primm to Keaney Pass 980 Comment
  RSA715189  Phalaris paradoxa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32569 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
  UCR116474  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24374 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 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
  UCR127250  Phlox gracilis A. C. Sanders, Tricia Wotipka 2003-5-15 26691 Ventura Santa Susana Mtns., crest of the range 2 km west of Los Angeles Co. line, SW edge of Newhall Ranch 793 Comment
  RSA715061  Phoenix canariensis A. C. Sanders, Mark Elvin 2005-4-22 29661 San Diego South Coast: Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 freeway, along the trail past the nature center. 0 Comment
  UCR184312  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
  CAS-BOT-BC134994  Phoradendron bolleanum A. C. Sanders; P. MacKay 1994-6-19 14889 San Bernardino San Bernardino Mountains: Kinley Creek above the Hwy 173 bridge, toward the Pinnacles 1250 Comment
  UCR281867  Phoradendron californicum A. C. Sanders, Jim Malusa 2017-9-21 43356 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCR83626  Phoradendron densum A. C. Sanders, P. J. MacKay 1994-6-19 14889 San Bernardino San Bernardino Mountains, Kinley Creek above the Hwy 173 bridge, toward the Pinnacles 1250 Comment
  RSA706653  Phoradendron macrophyllum A. C. Sanders, Mark A. Elvin 2002-6-25 25275 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 Comment
  UCR115984  Phoradendron macrophyllum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23265 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  UCR26446  Phoradendron pauciflorum A. C. Sanders, J. A. Harpel 1981-8-26 2335 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  GH355170  Phoradendron villosum S. D. Boyd Andrew C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9532 Unknown San Emigdio Range: San Emigdio Ranch, Los Lobos Canyon. T10N R22W center of east borderS 1/2 sec. 20; 10N 22W sec 21. 914 Comment
  UCR112113  Physalis crassifolia A. C. Sanders, T. B. Salvato 2000-4-21 23345 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  UCR135922  Physalis crassifolia A. C. Sanders, Mitch Provance, Petra Wester 2004-5-30 28059 San Bernardino Mojave Desert, SE end of Bristol Mountains, 4 miles NE of Amboy 300 Comment
  UCR264231  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
  SEINET10389799  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-9 41363 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR214600  Picris echioides A. C. Sanders, Dan S. Cooper 2010-4-30 38125 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  VVC1166  Pinus contorta subsp. murrayana A. C. Sanders, J. Mac 1994-7-17 15093 San Bernardino San Bernardino Mtns, Trail from Wildhorse Spring to Sugarloaf Mountain 3034 Comment
  SD232554  Pinus jeffreyi A. C. Sanders 1995-11-25 17924 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Old house site on Tule Peak Rd., 0.7 mi. W of Bonny Ln., sec. Protected from fire by rock. 1310 Comment
  UCR231188  Pinus sabiniana A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39944 Orange Peninsular Range; Santa Ana Mountains, Beek's Place on Main Divide Truck Trail 863 Comment
  UCR163849  Piperia transversa A. C. Sanders, R. T. Hawke, et al. 2005-7-3 31353 San Bernardino San Bernardino Mtns., Santa Ana River Canyon, trail between Glass Rd. (Barton Flats to Seven Oaks) and Middle Control Rd. (Angelus Oaks to Seven Oaks), at 3rd canyon crossing (Forsee Creek?) east of Middle Control Rd. 1646 Comment
  UCR118390  Piperia unalascensis A. C. Sanders, E. J. Lawlor, P. MacKay, C. L. Sanders 1995-6-24 17425 San Bernardino San Bernardino Mtns., Hill Ranch Road (1N86) below (and west of) Barton Flats, off of Hwy 38, toward Stetson Creek Road and Seven Oaks, east of Stetson Creek 1860 Comment
  UCR94908  Piptatherum miliaceum A. C. Sanders, P. J. MacKay 1996-10-20 19626 San Bernardino San Bernardino Mtns, Cajon Pass area, along Pacific Crest Trail in gorge above the mouth of Crowder Canyon 976 Comment
  VVC568  Piptatherum miliaceum A. C. Sanders, J. Mac 1996-10-20 19626 San Bernardino San Bernardino Mtns., Cajon Canyon, along Pacific Crest Trail/old highway from Cajon Junction to mouth of Crowder Canyon. 945 Comment
  IRVC28619  Piptatherum miliaceum A. C. Sanders, Mark Elvin 2002-6-20 25250 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
  UCR77108  Pistacia chinensis A. C. Sanders 1993-8-28 14198 San Bernardino San Bernardino Mtns., Oak Glen, along entry road to Snowline Orchards 1468 Comment
  UCR184695  Pityrogramma triangularis A. C. Sanders, T. B. Salvato, Mitch Provance 2007-6-6 34094 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
  UCR195975  Pityrogramma triangularis A. C. Sanders 2007-1-26 33296 San Bernardino San Gabriel Valley, Upland, northwest side of town, just east of Los Angeles Co. line, long-abandoned (c. 40 years?) gravel pit at 210 Fwy and Base Line Rd, north side of Base Line 503 Comment
  UCR83761  Pityrogramma triangularis A. C. Sanders, P. J. MacKay 1994-6-19 14826 San Bernardino San Bernardino Mtns., lower Miller Canyon (E fork of W fork of Mojave River), below Pilot Rock Camp 1128 Comment
  UCD120759  Plagiobothrys acanthocarpus A. C. Sanders; Guy Bruyea 2004-4-2 27448 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. Comment
  IRVC26320  Plagiobothrys arizonicus A. C. Sanders, Andy Thompson 2003-4-15 26003 Los Angeles Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence NE end of Santa Susana Mtns. 366 Comment
  RSA0117478  Plagiobothrys arizonicus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37963 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. 1141 Comment
  RSA627865  Plagiobothrys arizonicus A. C. Sanders 1997-3-22 20074 San Bernardino San Bernardino Mtns: along the Pacific Crest Trail SW of Grass Valley Creek. 1037 Comment
  UCR126747  Plagiobothrys arizonicus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26234 Los Angeles Western San Gabriel Mtns., Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property 351 Comment
  UCR214037  Plagiobothrys arizonicus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37963 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
  UCR31272  Plagiobothrys arizonicus A. C. Sanders 1983-5-22 3816 San Bernardino Eastern Mojave Desert, Government Holes, E edge of Round Valley, Mid Hills area 1540 Comment
  UCR42368  Plagiobothrys arizonicus A. 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
  IRVC26338  Plagiobothrys canescens A. C. Sanders 2003-4-16 26028 Los Angeles Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  IRVC27311  Plagiobothrys canescens A. C. Sanders, Mark Elvin, et al. 2003-4-14 25948 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  IRVC28375  Plagiobothrys canescens A. C. Sanders, Tricia Wotipka 2003-4-28 26103 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  RSA599094  Plagiobothrys canescens A. C. Sanders, Steve Boyd, G. Helmkamp 1997-3-7 19804 Kern San Emigdio Ranch, divide between Pleitito Creek and San Emigdio Creek Canyon, above large vernal pool. 854 Comment
  UCR184526  Plagiobothrys canescens A. C. Sanders 2007-5-23 33853 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
  UCR44159  Plagiobothrys canescens A. C. Sanders 1986-6-1 6566 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCR127549  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2003-5-21 26804 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR241806  Plagiobothrys collinus var. californicus A. C. Sanders, Dave King 2013-4-11 40792 Riverside Peninsular Range; SE edge Gavilan Hills, hills east of Hwy 74 and south of Perris, SCE power line route NE of intersection of Theda and Eugene streets 511 Comment
  RSA554014  Plagiobothrys jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12143 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  RSA709039  Plagiobothrys jonesii A. C. Sanders, Kent Beaman 2004-4-21 27585 San Bernardino Mojave Desert: proposed 160 acre gravel quarry on Kane wash, ca. 0.5 mi west of Fort Cady Rd. at a point 2 miles south of I-40, ca. 5 miles (air) SE of Newberry Springs, between Troy Lake and the Rodman Mountains., East of the Newberry Mountains. 575 Comment
  SD148203  Plagiobothrys jonesii A. C. Sanders, Mitch Provance and Tim Thomas 2001-3-16 23799 San Bernardino Northern end of Sheep Hole Mountains, north side of Sheep Hole Pass, 1.3 mile north of summit. 686 Comment
  UCR210984  Plagiobothrys jonesii A. C. Sanders, Fred M. Roberts, Katy Beck, Eve Laeger, et al 2009-3-27 36642 San Bernardino Mojave Desert, Cady Mountains, along the powerline route in the pass between Pisgah and Broadwell valleys 823 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
  SBBG104102  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside western edge of Hemet, along S side of Devonshire Ave, between Old Warren and Warren Rds, SW of Tres Cerritos and N of Florida Ave (Hwy 74) 460 Comment
  UCR111996  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2000-5-25 23421 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
  UCR140451  Plagiobothrys leptocladus A. C. Sanders, Guy Bruyea 2004-4-2 27419 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR67342  Plagiobothrys leptocladus A. C. Sanders 1991-4-19 10927 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  IRVC26316  Plagiobothrys nothofulvus A. C. Sanders, Andy Thompson 2003-4-15 25983 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  RSA732238  Plagiobothrys nothofulvus A. C. Sanders, Fred M. Roberts 2008-4-22 35045 Orange Lomas de Santiago, valley at south end of Loma Ridge and at head of Limestone Canyon, c. 2.5 miles SW of Silverado, above spring shown on topo map. 427 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
  UCR214213  Plagiobothrys tenellus A. C. Sanders 2010-4-6 37774 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
  UCR72743  Plagiobothrys tenellus A. C. Sanders, E. J. Lott 1992-4-24 12235 San Bernardino San Bernardino Mtns., east of Yucaipa, Water Canyon, a tributary of Wildwood Canyon from the north. Vicinity of Old Hunt Ranch, c. 0.75 mi north of Wildwood Canyon Road on the east side of Canyon Road 1006 Comment
  UCR31291  Plagiobothrys undulatus A. C. Sanders, Theo Glenn 1983-4-17 3729 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  UCR253350  Plantago coronopus A. C. Sanders 2014-8-3 41233 San Mateo San Francisco Bay, South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay 6 Comment
  UCR26554  Plantago maritima A. C. Sanders 1981-8-5 2289 Del Norte North Coast, Crescent City, rocky knob above the ocean on the south side of the boat harbor at the end of Anchor Dr., off Hwy 101. This knob [Whaler Island] was probably formerly an island but is now connected to the mainland by a causeway 8 Comment
  UCR113137  Plantago ovata A. C. Sanders, J. C. Pires 1998-3-13 21713 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
  UCR75056  Plantago ovata A. C. Sanders, E. J. Lawlor 1992-4-4 12087 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  HSC78596  Plantago ovata var. insularis A. C. Sanders 1983-4-23 3757 San Bernardino Whipple Mtns., Whipple Wash where it joins the road to Havasu Landing, 0.5 mi. below Willow Spring and 1.25 mi. above Lake Havasu. 168 Comment
  UCR164451  Plantago patagonica A. C. Sanders 1995-6-19 17355 San Bernardino San Bernardino Mtns, south foot of mtns., mouth of Mill Creek Canyon, above Greenspot Road and c. 1 mi below Mill Creek Ranger Station, near old fish hatchery site 732 Comment
  UCR44189  Platanus acerifolia A. C. Sanders 1986-6-22 6610 San Bernardino Mojave Desert, Mojave River at the narrows between Victorville and Oro Grande, c. 2.5 mi west of Hwy I-15 on the National Trails Hwy at the bridge over the river 793 Comment
  RSA715447  Platanus racemosa A. C. Sanders, T. B. Salvato 2006-6-2 33073 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott Road and north of Clinto Keith Road. 549 Comment
  SD186276  Platystemon californicus A. C. Sanders, Mark A. Elvin 2003-4-16 26041 Los Angeles Santa Clara River watershed: Newhall Ranch, ca. 0.4 [miles] 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
  UCR103734  Platystemon californicus A. C. Sanders, G. Helmkamp 1997-3-15 19985 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  UCR99150  Platystemon californicus A. C. Sanders 1978-4-13 652 San Bernardino Mojave Desert, upper (southern) Stoddard Valley, east side of Barstow Road 976 Comment
  UCR102852  Plectritis ciliosa subsp. insignis A. C. Sanders 1997-4-3 20153 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR98318  Plectritis ciliosa subsp. insignis A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke, G. Ballmer 1997-4-13 20468 Kern San Emigdio Ranch: Salt Creek Canyon at confluence with Black Bob Canyon and up Black Bob Cyn. 915 Comment
  OBI38344  Pleurocoronis pluriseta A. C. Sanders, Pitzer, Weir, Charlton, Kniffen, Bramlett, et al 1986-3-9 6209 Imperial Coyote mtns., Fossil Cyn, on Shell cyn road 3.3 mi N of Imperial hwy (S-2) at Ocotillo 305 Comment
  SEINET13237233  Pleurocoronis pluriseta A. C. Sanders, J. Malusa, M. Baker, M. Cloud-Hughes 2016-1-19 41903 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. 441 Comment
  UCR279521  Pleurocoronis pluriseta A. C. Sanders, Jim Malusa 2017-3-27 43121 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
  UCR114771  Pluchea odorata A. C. Sanders, Nghi Diep 2000-7-21 23589 San Bernardino San Bernardino Mtns., Arrowhead Hot Springs, in lower Waterman Canyon 671 Comment
  SD167201  Pluchea odorata var. odorata Andrew C. Sanders 2005-10-7 31787 San Diego Buena Vista Lagoon Ecological Reserve, Oceanside, NW side of lagoon near Audubon Nature Center at Hill St./Carlsbad Blvd. Comment
  CAS-BOT-BC226798  Pluchea sericea A. C. Sanders; T. B. Salvato 2012-4-27 40092 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, 265 m NW of El Hermano Rd. 310 Comment
  UCR153314  Poa annua A. C. Sanders, Mark A. Elvin 2005-4-22 29639 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
  UCR187103  Poa annua A. C. Sanders 2006-5-16 32337 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
  UCR193623  Poa annua A. C. Sanders, T. B. Salvato 2008-5-13 35357 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Santiago Canyon above (S of) mouth of Hangman Tree Canyon, just below Modjeska Canyon confluence 366 Comment
  UCR251514  Poa bulbosa A. C. Sanders, Karen Kirtland 2014-6-4 41126 San Bernardino San Bernardino Mtns., Big Bear Valley, south of Hwy 18 (Big Bear Blvd.) and east of Tulip Lane 2067 Comment
  VVC571  Poa howellii A. C. Sanders, J. Mac 1997-5-4 20646 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UCR213466  Poa secunda A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37833 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
  UCR155628  Polycarpon tetraphyllum A. C. Sanders 2005-4-29 29828 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
  UCR164454  Polygonum A. C. Sanders, T. Schram, D. Wappler 1994-9-30 15726 San Bernardino San Bernardino Mtns, lower Deep Creek from the spillway of the Mojave River Forks Dam upstream to the hot spring 945 Comment
  UCR213576  Polygonum aviculare A. C. Sanders, Dan S. Cooper 2010-4-30 38161 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR112927  Polypogon monspeliensis A. C. Sanders, Steve Boyd 1997-4-20 20506 Kern Hills S of the San Joaquin Valley, San Emigdio Ranch, San Emigdio Creek Canyon 3 miles due south of ranch headquarters at junction with dirt road to the west 686 Comment
  UCR169084  Polypogon viridis A. C. Sanders, Mark Elvin 2002-6-20 25224 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
  RSA746544  Populus balsamifera subsp. trichocarpa A. C. Sanders, T. B. Salvato 2009-5-20 36862 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
  UCR195011  Populus balsamifera subsp. trichocarpa A. C. Sanders, Fred M. Roberts 2008-8-7 35974 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
  UCR121093  Populus fremontii A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24980 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR174424  Populus fremontii A. C. Sanders 2006-6-7 32738 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
  UCR212666  Populus fremontii A. C. Sanders 2010-2-20 37301 Imperial Sonoran (Colorado) Desert; Colorado River Valley, Levee Rd. at old house site 1 mile north of Ross Rd., Bard Valley NE of Winterhaven 43 Comment
  CAS-BOT-BC227418  Populus nigra A. C. Sanders; Ann Howald 2012-6-19 40271 Inyo White Mountains Foothills: petroglyph site at confluence of Millner Creek and Hammil Canyon, NW of Chalfant SW of Petroglyph Rd. 1349 Comment
  UCR161426  Populus nigra A. C. Sanders, T. B. Salvato 2005-9-9 31650 San Diego South Coast, San Elijo Lagoon Ecological Reserve, Solana Beach, east of I-5 on south side of lagoon off end of Santa Helena Rd, near powerlines 15 Comment
  IRVC27277  Porophyllum gracile A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26317 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
  UCR215031  Porophyllum gracile A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-4 38272 San Bernardino Eastern Mojave Desert, Ivanpah Valley, western foot of metamorphic hill emerging from alluvium below Clark Mountain, 3.5 km NW (120 deg. ) of Primm Valley Golf Club, 5.3 km W of I-15 912 Comment
  SD197896  Portulaca oleracea A. C. Sanders, Jennifer Jones 2005-6-22 31144 San Diego Buena Vista Lagoon Ecological Reserve, Carlsbad, north side of lagoon between Carlsbad Blvd. and the RR, south of Eaton St. Comment
  UCR191453  Potentilla glandulosa A. C. Sanders, Fred M. Roberts 2008-4-8 34762 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
  RSA0014821  Proboscidea parviflora A. C. Sanders, Mark A. Elvin 2003-10-5 27257 San Bernardino Southern Mojave Desert: Twentynine Palms, Oasis of Mara at 29 Palms Inn, near intersection of Cottonwood and Mesquite Rds. 610 Comment
  UCR279086  Prosopis juliflora var. juliflora A. C. Sanders, Jim Malusa 2017-3-12 42837 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Pegleg Well near Pegleg Mine 424 Comment
  SD121320  Prosopis pubescens A. C. Sanders, F. C. Vasek, G. K. Hekmkamp 1982-9-9 2925 San Bernardino Mojave Desert, Old Woman Mountains, Sunflower Spring 1036 Comment
  UCR41491  Prunus fremontii A. C. Sanders, D. Charlton, B. Pitzer, R & J. Kniffen, and W. W. Wright 1986-3-10 6304 Imperial Sonoran (Colorado) Desert/Peninsular Range, Mountain Springs exit from Interstate Hwy 8, south side of the old hwy, c. 0.33 mi. east of community of Mountain Springs. 671 Comment
  UCR214681  Prunus ilicifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37672 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 366 Comment
  UCR250576  Prunus ilicifolia A. C. Sanders 2014-4-25 41074 Riverside Peninsular Range, Temescal Canyon, Richland property near Horsethief Canyon Rd., SW of I-15 381 Comment
  UCR152541  Prunus lyonii A. C. Sanders, Lee Jones 2005-4-8 29355 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  SD140006  Prunus mahaleb A. C. Sanders, E. J. Lott 1993-5-14 14043 San Bernardino Pisgah Peak Road, ca. 1.5 km above Oak Glen Road, NW foot of Pisgah Peak. 1100 Comment
  RSA0049833  Prunus virginiana A. C. Sanders, Mitch Provance 2007-5-24 33904 Kern Pastoria Creek (Bear Trap) Canyon, below Bench Mark (3364 ft.) Tejon K, c. 6 miles NE of Lebec. 854 Comment
  UCR59221  Psathyrotes ramosissima A. C. Sanders, B. Pitzer, B. L. Phillips 1988-10-15 8712 San Bernardino Mojave Desert, south edge of Fort Irwin Military Training Center, NE of Barstow; on E slope of Paradise Range 640 Comment
  SD193243  Pseudognaphalium biolettii A. C. Sanders 2004-4-16 27509 San Diego Carlsbad, Buena Vista Lagoon Ecological Reserve, just above I-5 Freeway on south side of the lagoon. 11 Comment
  UCD135051  Pseudognaphalium biolettii A. C. Sanders 2004-5-7 27788 San Diego South Coast: Carlsbad, Aqua Hedionda Ecological Reserve, near Laguna Riviera Park, off Park St. near roadside and along hiking trail SE of the park. 2 Comment
  UCR241841  Pseudognaphalium biolettii A. C. Sanders, Timothy W. Chumley 2013-4-2 40733 Riverside Peninsular Range, Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  SD178121  Pseudognaphalium californicum Andrew C. Sanders 2005-5-13 30206 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. (IPB 11/07) 206 Comment
  SD178120  Pseudognaphalium luteoalbum Andrew C. Sanders 2004-5-21 27929 San Diego South Coast, Carlsbad, Agua Hedionda Ecological Reserve, near El Camino Real and Cannon Road, vegetation restoration area. (IPB 11/07) 9 Comment
  SD197682  Pseudognaphalium luteoalbum A. C. Sanders 2005-6-22 31184 San Diego South Coast: Batiquitos Lagoon Ecological Reserve, north side of east of the I-5 Fry. 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
  SEINET2054402 Image available Pseudognaphalium stramineum A. C. Sanders, B. Pitzer, Steve Morgan 1987-5-14 7054 San Diego West end of Otay Mesa, E of San Ysidro, Moody Canyon. 152 Comment
  RSA782113  Psilocarphus brevissimus A. C. Sanders, Dan S. Cooper 2010-4-30 38144 Los Angeles Madrona Marsh, Torrance 24 Comment
  UCR67301  Psilocarphus brevissimus var. brevissimus A. C. Sanders, E. Rey, D. Willick 1991-4-19 10922 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  UCR75318  Psilocarphus brevissimus var. brevissimus A. C. Sanders 1993-5-12 14004 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  RSA713224  Psorothamnus arborescens A. C. Sanders, Mitch Provance, Petra Wester 2004-5-30 28012 San Bernardino Mojave Desert: Powerline road from Pisgah to Lucerne Valley, north end of Lava Bed Mtns., 2 km south of Silver Cliffs Mine. 1098 Comment
  SEINET2042539 Image available Psorothamnus arborescens var. simplicifolius A. C. Sanders 2001-4-6 23923 San Bernardino (Desert Hot Springs Qud 7.5') Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. & Atlantic, N of flood control ditch. T2S R4E S25. 348 Comment
  CAS-BOT-BC352326  Psorothamnus fremontii A. C. Sanders; A. Howald; Florence Caplow 2010-5-3 38196 San Bernardino Eastern Mojave Desert: Ivanpah Valley, slopes below Clark Mountain 930 Comment
  UCR264248  Psorothamnus polydenius A. C. Sanders, Jim Malusa 2015-9-11 41878 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, hills along dirt road above Iris Pass 735 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
  CAS-BOT-BC421257  Pterostegia drymarioides A. C. Sanders; T. B. Salvato; Mitch Provance 2003-4-4 25836 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 421 Comment
  SD173524  Pterostegia drymarioides Andrew C. Sanders 2005-6-2 30356 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
  SEINET998811  Pterostegia drymarioides A. C. Sanders, Mark Elvin 2003-1 25922 San Bernardino Southern Mojave Desert: 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 head quarters at old Burns home (yucca Valley North 7.5') 1250 Comment
  UCR137238  Pterostegia drymarioides A. C. Sanders 2004-6-25 28276 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
  UCR88248  Pterostegia drymarioides A. C. Sanders, P. MacKay, A. Knapp, D & S. Kaufman 1995-4-9 16439 San Bernardino Mojave Desert, Stoddard Ridge at pipeline crossing near Traer Agua Canyon, c. 18 mi SSE of Barstow 1240 Comment
  UCR94736  Puccinellia parishii A. C. Sanders, E. J. Lott 1993-5-5 13903 San Bernardino Southern Mojave Desert, Rabbit Springs, north side of Rabbit Springs Road 875 Comment
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Jul 14 2015
  CDA5116  Punica granatum A. C. Sanders, Dan Malueg 2001-5-17 24346 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 Comment
  UCR126117  Purshia glandulosa A. C. Sanders, Mark Elvin 2003-4-5 25888 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
  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
  UCR158803  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31556 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR158905  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31550 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 Comment
  RSA682870  Quercus berberidifolia A. C. Sanders, M. Elvin, C. Burrascano, A. Pignoli, A. Thompson 2003-5-4 26519 San Diego Peninsular Range: Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail. 945 Comment
  IRVC26276  Quercus cedrosensis A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26307 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
  UCD73480  Quercus chrysolepis A. C. Sanders; T. Tennant 1997-11-14 21606 Riverside San Bernardino Mtns.: Morongo Indian Reservation, Hathaway Canyon drainage. 976 Comment
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Mar 30 2014
  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
  UCR82884  Quercus cornelius-mulleri A. C. Sanders, P. J. MacKay 1994-10-2 15762 San Bernardino San Bernardino Mtns., Upper Rattlesnake Canyon; above the road end in the gorge above an old mine site. 1463 Comment
  UCR191736  Quercus john-tuckeri A. C. Sanders 2008-4-23 35079 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1090 Comment
  RSA625823  Quercus palmeri A. C. Sanders, Steve D. Boyd 1988-11-22 22355 Kern Short Canyon, granite basin above gorge at head of main (wide and sandy) part of canyon 1159 Comment
  UCR17848  Quercus turbinella subsp. turbinella A. C. Sanders 1975-10-16 00979 San Bernardino Eastern Mojave Desert, north side of a butte north of the Dead Mtns. 0.5 mi from the Nevada border and c. 1 mi south of Old Government Road 793 Comment
  UCR152520  Rafinesquia californica A. C. Sanders 2005-4-22 29592 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR214578  Rafinesquia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37844 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
  UCR203410  Rafinesquia neomexicana A. C. Sanders, Jim Andre, A. Howald, et al 2009-3-5 36226 San Bernardino Mojave Desert, Cady Mountains at edge of Broadwell Valley, south of powerline road c. 10 mi. NE of I-40, south of peak 2633, north of Sleeping Beauty Mtn. 598 Comment
  UCR214562  Rafinesquia neomexicana A. C. Sanders 2010-3-15 37410 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
  RSA716819  Ranunculus californicus A. C. Sanders 2004-4-20 27558 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  SBBG104013  Ranunculus hebecarpus A. C. Sanders, E. J. Lott 1993-4-29 13866 San Bernardino E side of Water Cyn, a tributary of Wildwood Cyn from the N, SW foot of Pisgah Peak, Porter Ranch 1066 Comment
  SD173424  Raphanus sativus Andrew C. Sanders 2004-5-28 27981 San Diego Carlsbad, Agua Hedionda Ecological Reserve, near El Camino Real and Cannon Rd., along lower Agua Hedionda Creek 9 Comment
  UCR159056  Raphanus sativus A. C. Sanders, Jennifer Jones 2005-6-22 31153 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
  UCR24944  Rhamnus californica A. C. Sanders 1980-7-18 1642 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR137311  Rhamnus californica subsp. tomentella A. C. Sanders, Kerry Knudsen, J. R. Ekhoff 2004-7-9 28497 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
  UCR193307  Rhamnus californica subsp. tomentella A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35603 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1562 Comment
  UCR114693  Rhamnus ilicifolia A. C. Sanders, Mitch Provance 1998-7-2 22151 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
  UCR125952  Rhamnus ilicifolia A. C. Sanders, Mark Elvin 2002-6-19 25165 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
  UCR137274  Rhamnus ilicifolia A. C. Sanders, Kerry Knudsen 2004-7-2 28454 San Diego Peninsular Range, Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along road below pond in middle DFG parcel 335 Comment
  UCR96801  Rhamnus ilicifolia A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19770 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  UCR97679  Rhamnus ilicifolia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19910 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  UCD116870  Rhus integrifolia A. C. Sanders; Lee Jones 2005-4-8 29356 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  UCR213517  Rhus integrifolia A. C. Sanders, Karen Kirtland 2010-5-14 38343 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  UCR230199  Rhus ovata A. C. Sanders 2011-4-6 38994 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
  UCD102120  Ribes aureum A. C. Sanders; B. Phillips 1988-2-11 7610 San Bernardino Redlands area, San Timoteo Canyon, on the alluvial fan S of Happy Ours Ranch. 487 Comment
  UCR193632  Ribes aureum A. C. Sanders 2008-7-10 35735 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
  CAS-BOT-BC167102  Ribes indecorum A. C. Sanders 2003-3-14 25784 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 560 Comment
  UCR51365  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Peninsular Range, Eastern foothills of the Santa Ana Mountains, c. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80 acre property to the NW; north of Cherry St., west of Adams Ave, south of Meadowlark Ridge Lane and Elm St 366 Comment
  CAS-BOT-BC167124  Ribes quercetorum A. C. Sanders; Petra Wester; T. B. Salvato 2004-5-1 27738 Ventura Western Transverse Range: Cuyama Valley, mouth of Apache Canyon, 0.4 mi. east of Hwy 33 1029 Comment
  UCR154628  Ribes quercetorum A. C. Sanders, Mike Misenhelter 2005-6-15 31003 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
  UCR41393  Ribes quercetorum A. C. Sanders 1986-2-23 6005 San Diego Peninsular Range, Upper Grapevine Canyon c. 2 mi SSE of Ranchita near the edge of Anza-Borrego State Park 1067 Comment
  UCR24947  Ribes roezlii A. C. Sanders 1980-7-18 1658 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR114738  Robinia pseudoacacia A. C. Sanders, K. C. Rose 1999-6-18 22802 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  CAS-BOT-BC74392  Rorippa curvipes A. C. Sanders; Pam MacKay; Tim Thomas 1999-10-9 23147 A San Bernardino San Bernardino Mountains. North shore of Big Bear Lake, just west of the observtory, ca. 1 mile SE of Fawnskin. 2058 Comment
  SD145977  Rorippa curvipes A. C. Sanders, Mitch Provance 1999-9-26 23112 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. south-east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR125637  Rorippa curvisiliqua A. C. Sanders 2003-5-26 25860 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
  RSA667028  Rorippa sphaerocarpa A. C. Sanders, Mitch Provance 1999-9-26 23096 Riverside Lake Hemet, north shore at FS day use area 1323 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
  UCR185532  Rubus discolor A. C. Sanders 2007-7-8 34313 Madera Sierra Nevada Mtns., Bass Lake, near Cedar Bluff Campground on the central west side of lake 1037 Comment
  SD173553  Rubus ursinus Andrew C. Sanders 2005-5-13 30235 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
  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
  UCR155011  Rumex crispus A. C. Sanders, T. B. Salvato 2005-6-17 31031 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
  UCR158322  Rumex crispus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30065 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
  UCR174395  Rumex dentatus A. C. Sanders 2006-6-5 33093 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
  RSA655628  Rumex hymenosepalus A. C. Sanders 2000-3-19 23319 Riverside Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 485 Comment
  UCR113134  Rumex hymenosepalus A. C. Sanders, Tracy Tennant, J. Ross, Mitch Provance 1998-3-12 21696 San Bernardino San Gabriel Mtns., Etiwanda, W side of Etiwanda Creek on north side of Hwy 30 (Highland Ave.) 442 Comment
  UCR136280  Rumex hymenosepalus A. C. Sanders, Guy Bruyea 2004-4-2 27438 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
  UCR214468  Rumex hymenosepalus A. C. Sanders 2010-3-30 37647 Kern Tehachapi Mtns. Foothills, below mouth of Big Sycamore Canyon, west of 300th St. West, north of reservoir on Calif. Aqueduct 973 Comment
  SBBG128391  Rumex obtusifolius A. C. Sanders, F. M. Roberts 2008-7-7 36004 Orange Weir Cyn at powerline crossing, 1.0 mi (air) SSE of Walnut Cyn Reservoir; Santa Ana Mtns 226 Comment
  UCR155043  Rumex obtusifolius A. C. Sanders, Kelly Volansky 2005-3-17 29226 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
  SD178265  Rumex persicarioides Andrew C. Sanders 2004-5-21 27930 San Diego South Coast, Carlsbad, Agua Hedionda Ecological Reserve, near El Camino Real and Cannon Road, vegetation restoration area. (IPB 11/07) 9 Comment
  RSA715302  Rumex salicifolius A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33054 Orange San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 366 Comment
  UCR136273  Rumex salicifolius A. C. Sanders 2004-4-20 27562 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
  UCR137048  Rumex salicifolius A. C. Sanders 2004-5-5 27765 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  SD212696  Rumex violascens Andrew C. Sanders 2005-4-22 29620 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
  UCR34792  Salazaria mexicana A. C. Sanders, F. C. Vasek, G. K. Helmkamp 1982-9-9 2932 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
  UCR42551  Salazaria mexicana A. C. Sanders 1986-5-26 6517 San Bernardino Southern Mojave Desert, N side of Cajon Pass. Head of Oro Grande Wash & adjacent disturbed flats along Hwy 395, c. 0.7 mi. north of the junction with Hwy I-215, & 0.3 mi north of Joshua Street 1098 Comment
  CAS-BOT-BC433206  Salix exigua A. C. Sanders 2006-5-16 32326 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
  RSA717579  Salix gooddingii A. C. Sanders 2004-5-11 27842 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  SD146160  Salix gooddingii Andy C. Sanders 2000-4-19 23337 Orange Pacific Coast, Bolsa Chica Lagoon, along dirt roads in oil field, east of Hwy 1, east of Bolsa Chica St., saltmarsh 10 Comment
  UCR155007  Salix gooddingii A. C. Sanders, T. B. Salvato 2005-6-17 31025 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
  UCR184081  Salix gooddingii A. C. Sanders 2007-4-13 33398 Kern Tehachapi Mtns. Foothills, just east of National Cement Plant at foot of hill 3477, 0.25 mi. N of the Los Angeles Co. line 1037 Comment
  UCR67011  Salix gooddingii A. C. Sanders 1990-10-6 10184 Orange Newport Bay, North Star County Beach Area on the SW end of the Bay, c. 2 km inland of Hwy 1. 3 Comment
  RSA717921  Salix laevigata A. C. Sanders, Mark A. Elvin 2003-5-15 26721 Ventura Old ranch site in upper south fork of Salt Canyon along dirt road to the crest of the range, 1 km west of Los Angeles Co. line, Newhall Ranch 610 Comment
  SEINET959510  Salix laevigata A. C. Sanders 2006-1 33015 Orange Peninsular Range; Santa Ana Mtns.: San Juan Canyon, from Lower San Juan Picnic Area to xa. 1 mile downstream , parrallel to Hwy 74 and near Riverside Co. line (sitton Peak 7.5 q) 366 Comment
  UCR139630  Salix laevigata A. C. Sanders 2004-6-30 28399 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR158958  Salix laevigata A. C. Sanders, Jennifer Jones 2005-6-22 31103 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
  UCR187120  Salix laevigata A. C. Sanders 2006-4-10 31984 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 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
  UCR195007  Salix laevigata A. C. Sanders, Fred M. Roberts 2008-8-7 35984 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
  RSA0035532  Salix lasiolepis A. C. Sanders, Karen Kirtland 2014-6-4 41132 San Bernardino Big Bear Valley, south of Hwy 18 (Big Bear Blvd.) and east of Tulip Lane 2067 Comment
  SD193358  Salix lasiolepis A. C. Sanders 2004-5-7 27800 San Diego Carlsbad, Agua Hedionda Ecological Reserve, near Laguna Riviera Park. 2 Comment
  UCR142628  Salix lasiolepis A. C. Sanders, Kerry Knudsen 2004-10-15 28846 San Diego South Coast, San Dieguito Lagoon Ecological Reserve (DFG), near intersection of San Dieguito Dr. and Racetrack View Dr., Del Mar 6 Comment
  UC2015514  Salix lutea A. C. Sanders, P. MacKay, S. White & M. Bagley 1996-5-26 18175 San Bernardino Jacoby Canyon below (N of) road from N Baldwin Lake to Holcomb Valley. At and above Jacoby Spring. 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
  SD124782  Salsola paulsenii A. C. Sanders 1986-5-10 6497 Riverside Mouth of the Whitewater River, along the levee where the river crosses Lincoln St., 3.0 miles south of Mecca. Comment
  UCR263243  Saltugilia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41476 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
  SD234486  Saltugilia australis A. C. Sanders, P. J. MacKay, Tim Thomas 2003-5-18 26759 Riverside San Bernardino Mtns.: Cleghorn Road, 0.5 mi. NE of Cajon. 1006 Comment
  UCR120896  Saltugilia australis A. C. Sanders, Dan Malueg 2002-4-8 24905 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
  UCR234259  Salvia apiana A. C. Sanders 2012-4-12 40031 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 314 Comment
  UCR116532  Salvia columbariae A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24182 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
  UCR120937  Salvia columbariae A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24956 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR126104  Salvia columbariae A. C. Sanders, Mark Elvin 2003-4-5 25874 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
  UCR154218  Salvia columbariae A. C. Sanders, T. B. Salvato 2005-5-24 30257 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
  UCR154395  Salvia columbariae A. C. Sanders, Mike Misenhelter 2005-6-15 30973 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
  UCR210825  Salvia columbariae A. C. Sanders, Fred M. Roberts, Eve Laeger, et al 2009-3-28 36656 San Bernardino Mojave Desert, Cady Mountains, along the powerline route in the pass between Pisgah and Broadwell valleys, slopes below peak with microwave/radio towers (peak 3307), c. 1.5 miles NNW of Black Butte Mine 854 Comment
  UCR279404  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-25 43018 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
  UCR279540  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-29 43185 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR214537  Salvia dorrii A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-3 38206 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
  UCR155125  Salvia leucophylla A. C. Sanders 2005-5-5 29926 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  IRVC27790  Salvia mellifera A. C. Sanders 2005-5-11 30184 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
  RSA666647  Salvia mellifera A. C. Sanders, Kent Beaman 2002-5-10 25046 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  UCR107705  Salvia mellifera A. C. Sanders 1997-3-1 19746 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR213580  Salvia mellifera A. C. Sanders 2010-5-7 38342 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 104 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
  UCSB63394  Salvia vaseyi Sanders, A. 1995-4-27 Riverside Coachella Valley; foot of the Little San Bernardino Mtns; canyon E of Fan Hill; just outside Joshua Tree Nat. Park; T3S, R7E, S/2 sec. 27 550 Comment
  UCR193031  Sambucus mexicana A. C. Sanders, Fred M. Roberts 2008-6-17 35517 Orange Peninsular Range; Santa Ana Mtns., middle section of Weir Canyon, SSE of Walnut Canyon Reservoir 225 Comment
  CAS-BOT-BC238856  Sambucus nigra subsp. caerulea A. C. Sanders 1997-5-1 20618 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
  SD173430  Sambucus nigra subsp. caerulea Andrew C. Sanders 2005-6-17 31036 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 200 Comment
  SD212544  Sambucus nigra subsp. caerulea Andrew C. Sanders 2005-6-24 31208 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
  UCR120962  Sanicula arguta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23889 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR192231  Sanicula arguta A. C. Sanders, Fred M. Roberts 2008-5-6 35268 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  RSA781360  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato 2011-4-1 38957 Riverside 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
  UCR193346  Sanicula bipinnatifida A. C. Sanders 2008-5-28 35435 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, Bee Flat at mouth of Limestone Canyon 264 Comment
  UCR27181  Sanicula bipinnatifida A. C. Sanders, S. Hagopian 1981-5-20 2140 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA751310  Sanicula crassicaulis A. C. Sanders, Fred M. Roberts 2008-5-6 35267 Orange Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  UCR174060  Sanicula crassicaulis A. C. Sanders 2006-5-19 32455 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
  UCR112865  Sanicula graveolens A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, T. Ross 1997-4-12 20400 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
  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
  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
  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
  RSA0093732  Schismus arabicus A. C. Sanders 2010-4-6 37779 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
  UCR184084  Schismus arabicus A. C. Sanders, Mitch Provance 2007-5-25 33953 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
  UCR225112  Schismus arabicus A. C. Sanders, Ann Howald 2011-4-19 39195 Inyo NE Mojave Desert, Pahrump Valley near Calvada Springs, Ave. 'D' at Topaz ('Gold') St., 1 mile north of Old Spanish Trail Hwy, 0.35 mi. west of NV state line 805 Comment
  UCR234460  Schismus arabicus A. C. Sanders 2012-5-4 40135 Inyo NE Mojave Desert, canyon along Old Spanish Trail on west side of Nopah Range, near mouth of canyon below Emigrant Pass 727 Comment
  UCR279473  Schismus arabicus A. C. Sanders, Jim Malusa 2017-3-29 43197 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  SEINET3287504 Image available Schismus barbatus A. C. Sanders, T. B. Salvato 2005-6-17 31053 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. 201 Comment
  UCR94667  Schoenoplectus acutus var. occidentalis A. C. Sanders, E. J. Lott 1993-5-6 13989 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  IRVC29014  Schoenoplectus americanus A. C. Sanders, Mark Elvin 2002-6-25 25291 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
  RSA735750  Schoenoplectus americanus A. C. Sanders, Fred M. Roberts 2008-6-17 35493 Orange Lomas de Santiago, West Loma Ridge Spur Road c. 0.8 mi SW of Irvine Lake and 0.9 mi. SE of Sheriff s Training Facility, just east of Hwy 241 280 Comment
  UCD169230  Schoenus nigricans A. C. Sanders; G. F. Pratt, C. Pierce 1997-4-5 20217 San Bernardino Northern Mojave Desert, Avawatz Mountains, Fort Irwin National Training Center, spring in canyon south of peak 4849 ft. 1189 Comment
  UCR136344  Scirpus cernuus A. C. Sanders 2004-5-7 27815 San Diego South Coast, Carlsbad, Carlsbad Highlands Ecological Reserve, canyon c. 1 mile SE of Cerro de la Calavera, c. 0.25 mi. SW of the dead end of Cannon Rd. 91 Comment
  UCR122228  Scirpus microcarpus A. C. Sanders, J. R. Ekhoff 2001-9-7 24872 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
  UCR174222  Scirpus microcarpus A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33022 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
  RSA714000  Scrophularia californica subsp. floribunda A. C. Sanders 2005-9-9 31663 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
  UCR18105  Scutellaria bolanderi subsp. austromontana A. C. Sanders 1976-7-22 409 San Diego Peninsular Range, Pine Valley Creek about 1 mi NW of the town of Pine Valley 1128 Comment
  UCR195119  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas 2008-8-1 35969 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  UCR195125  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas 2008-8-1 35957 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR184678  Scutellaria siphocampyloides A. C. Sanders, Mitch Provance 2007-6-1 34065 Kern Tehachapi Mtns., upper Johnson Canyon, a tributary of Bear Trap Canyon, c. 7 miles NE of Lebec, south of the Calif. Aqueduct tunnel 1098 Comment
  UCD169411  Secale cereale A. C. Sanders; S. D. Boyd 1997-4-19 20492 Los Angeles Antelope Valley, along Hwy 138 in vicinity of 230th St. West. 890 Comment
  UCR187239  Secale cereale A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32203 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  CAS-BOT-BC167095  Selaginella bigelovii A. C. Sanders 2003-5-1 26252 Los Angeles Western San Gabriel Mtns.: SE rim of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and south of the filtration plant, Newhall Ranch 412 Comment
  IRVC26243  Selaginella bigelovii A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26294 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
  SD167362  Selaginella bigelovii Andrew C. Sanders 2005-10-19 31908 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
  UCR135835  Selaginella bigelovii A. C. Sanders 2004-4-20 27538 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
  UCR91553  Selaginella eremophila A. C. Sanders, C. L. Sanders, G. K. Helmkamp, L. Lubinsky 1995-1-29 15903 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, along the loop rd just below the lower tram station 793 Comment
  UCR125800  Senecio californicus A. C. Sanders 2003-3-29 25785 San Bernardino San Bernardino Mtns., at head of 'The Narrows' in lower Crowder Canyon, Cajon Pass near Cajon Junction 945 Comment
  SEINET2043244 Image available Senecio flaccidus A. C. Sanders, Mark A. Elvin 2003-10-5 27227 San Bernardino Southern Mojave Desert: UC Burns Pinyon Ridge Reserve, big wash at Yucca Valley town limit off (above) Pioneertown Rd. and mouth of large canyon from NE (Yucca Valley North Quad 7.5'). 1098 Comment
  VVC1701  Senecio triangularis A. C. Sanders, P. J. MacKay, T. Thomas 2009-7-31 37123 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
  RSA614654  Senecio vulgaris A. C. Sanders 1997-3-1 19703 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark ''Versity'', 1386 ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  SD233767  Senecio vulgaris A. C. Sanders, M. Elvin, C. Burrascano, A. Pignoli, A. Thompson et al. 2003-5-4 26531 San Diego Peninsular Range: Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail (Otay Mountain 7.5'Q) 945 Comment
  UCR127986  Senecio vulgaris A. C. Sanders, M. Elvin, C. Burrascano, A. Pignioli, A. Thomson, and others 2003-5-4 26531 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
  UCR158719  Senecio vulgaris A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30033 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
  UCR159053  Senecio vulgaris A. C. Sanders, Jennifer Jones 2005-6-22 31160 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
  UCR196294  Senecio vulgaris A. C. Sanders 2007-2-22 33313 A San Diego South Coast, Mission Beach, San Diego, Point Medanos Park, at mouth of San Diego River 1 Comment
  SBBG80511  Sesbania exaltata A. C. Sanders 1985-8-24 5950 Riverside near Oasis, on E side of Hwy 195, ca. 0.5 mi N of the intersection with Hwy 86, just N of Ave 76 -51 Comment
  CAS-BOT-BC438199  Sesuvium verrucosum A. C. Sanders; D. Maleug; K. D. Jones 2000-4-19 23334 Orange Pacific Coast: Bolsa Chica Lagoon, along dirt roads in oil field, east of Hwy 1, east of Bolsa Chica St. 11 Comment
  RSA338585  Setaria adhaerens A. C. Sanders 1985-8-24 5948 Riverside Near Oasis in the lower Coachella Valley, common weed in a grapefruit orchard on the dirt extension of Ave. 76, 0.4 mi. E if Hwy 195, along the S side of a large drain flowing toward the Salton Sea. Comment
  UCR119437  Sidalcea malviflora A. C. Sanders, Mitch Provance 1999-9-26 23102 Riverside San Jacinto Mountains, Garner Valley, along Hwy 74 east of the upper end of Hemet Lake, SE of Lake Hemet store 1326 Comment
  UCR21299  Sidalcea malviflora A. C. Sanders, K. Berg 1980-5-1 1370 Riverside San Jacinto Mtns., Garner Valley. 0.25 mi NW of the Kenworthy Ranger Station. 1387 Comment
  UCR227402  Sidalcea malviflora subsp. dolosa A. C. Sanders 2011-7-21 39819 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
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May 15 2012
  UCR20803  Silene antirrhina A. C. Sanders 1980-5-14 01457 Riverside N side of Agua Tibia Mountains; Cleveland Nat. Forest., Dripping Springs 610 Comment
  UCR78396  Silene laciniata A. C. Sanders, E. J. Lott 1992-6-12 12399 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
  UCR26454  Silene sargentii A. C. Sanders 1981-8-2 2251 B Mono Sierra Nevada Mtns., SE of the dam that forms Ellery Lake, north side of the Dana Plateau 3049 Comment
  UCR51050  Silybum marianum A. C. Sanders, B. Pitzer 1988-4-15 7780 San Bernardino San Bernardino Mtns. Foothills./San Bernardino Valley, Cajon Pass area, alluvial fan at the mouth of Devil Canyon. NW of San Bernardino State College, SW of benchmark 1750 500 Comment
  CAS-BOT-BC183858  Sisymbrium altissimum A. C. Sanders; Petra Wester; T. B. Salvato 2004-5-1 27727 Ventura Western Transverse Range: Cuyama Valley, mouth of Apache Canyon, 0.4 mi. east of Hwy 33 1029 Comment
  CAS-BOT-BC75250  Sisymbrium irio A. C. Sanders; Mark Elvin 2003-4-5 25900 San Bernardino Mojave Desert. UC Burns Pinyon Ridge Reserve, off Skyline Ranch Road, ca. 2 miles (air) ESE of Pioneerstown. 1250 Comment
  UCR150435  Sisymbrium irio A. C. Sanders, P. J. MacKay, Tim Thomas, E. J. Lawlor, et al. 2005-1-17 29061 Imperial Sonoran (Colorado) Desert, Salton Basin, east side of Hwy 86 at NE side of Kane Spring, near powerlines, SE of Hwy 78 junction -55 Comment
  UCR20705  Sisymbrium irio A. C. Sanders, Steve Boyd 1980-5-2 1431 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR279230  Sisymbrium irio A. C. Sanders, Jim Malusa 2017-3-13 42867 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Salvation Wash at the well near Salvation Pass, 1.1 km west of confluence with German Diggins Wash 353 Comment
  RSA682105  Sisymbrium officinale A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26455 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
  UCR154424  Sisymbrium officinale A. C. Sanders 2005-6-2 30394 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
  SD185176  Sisymbrium orientale A. C. Sanders 2005-5-11 30158 Los Angeles Liebre Mountains Region; Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., northwest of Forest Park between Mint and Bouquet Canyons. 609 Comment
  UCR192074  Sisyrinchium bellum A. C. Sanders, Fred M. Roberts 2008-5-6 35250 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, slope SE of road junction along ridge road, near head of Agua Chinon Canyon, 2.4 miles north of El Toro 470 Comment
  UCR214376  Smilacina racemosa var. amplexicaulis A. C. Sanders 2010-6-26 38456 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
  SD146138  Solanum americanum A. C. Sanders 1999-11-11 23247 San Bernardino San Bernardino: Redlands, fields N of Lugonia Ave., ca. 200-300 m E of Fwy 30 390 Comment
  UCR83104  Solanum americanum A. C. Sanders, G. K. Helmkamp, S. D. White, E. J. Lawlor, C. L. Sanders 1994-9-11 15640 San Bernardino San Bernardino Mtns., Bear Creek at confluence with Santa Ana River 1045 Comment
  SEINET12890826 Image available Solanum americanum A. C. Sanders 2005-1 31196 Unknown Comment
  SD197938  Solanum douglasii A. C. Sanders 2004-6-25 28294 San Diego Boden Canyon, tributary of Santa Ysabel Creek at east end of San Pasqual Valley, near the pond in middle DFG parcel 334 Comment
  UC1522674  Solanum elaeagnifolium A. C. Sanders, O. F. Clarke and R. Allert 1984-7-18 5109 Riverside near the intersection of Wheeler and Miller Street (near Hunt Park, Arlington area); Riverside, Arlington area 259 Comment
  UCR121345  Solanum elaeagnifolium A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25026 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  VVC1499  Solanum elaeagnifolium A. C. Sanders, PJ MacKay, Tim Thomas 2000-9-2 23622 San Bernardino Eastern Mojave Desert, Barnwell,0.8 mi. E of Ivanpah Rd. on Hart Mine Rd. at open topped iron water tank; T14N R16E S14 SE1/4 1433 Comment
  RSA645544  Solanum mauritianum A. C. Sanders 1995-11-30 17928 Riverside Riverside: Rustin Ave. N of Spruce, spontaneous at edge of an abandoned orange orchard and a light industrial area. 305 Comment
  RSA710931  Solanum mauritianum A. C. Sanders 1993-1-30 s.n. Riverside Riverside: Rustin Ave. ca. 1 block N of Spruce St. 290 Comment
  UCR39806  Solanum mauritianum A. C. Sanders 1984-12-29 5355 San Bernardino San Bernardino Valley, Redlands, abandoned orange orchard on the NW side of Hillside Cemetery Comment
  SEINET272155  Solanum xanti A. C. Sanders 1997-3-1 19749 Riverside Box Spring Mtns. S end of the range along Gernert Rd. (dirt) in valley drainage to Box Spring Canyon. 457 Comment
  UCR152506  Solanum xanti A. C. Sanders 2005-3-25 29293 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
  UCR153951  Solanum xanti A. C. Sanders 2005-5-11 30197 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
  UCR82501  Solidago californica A. C. Sanders, P. J. MacKay, G. K. Helmkamp, S. D. White, C. L. Sanders 1994-9-4 15571 San Bernardino San Bernardino Mtns, Arrastre Creek at crossing of Forest Service road 2N01 and the Pacific Crest Trail 2439 Comment
  UCR75630  Sonchus asper A. C. Sanders, O. F. Clarke, T. Krantz, R. F. Thorne 1993-4-27 13810 San Bernardino San Bernardino Mtns, Arrowhead Hot springs and immediate vicinity. Coldwater Canyon c. 1/2 mile east of the old Arrowhead Hot Springs Hotel 579 Comment
  UCR104885  Sonchus oleraceus A. C. Sanders 1997-3-19 20042 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR174517  Sonchus oleraceus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32506 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC235350  Sorghum X drummondii A. C. Sanders; D. Bramlet; Mihai Costea; T. Salvato 1999-10-15 23180 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 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
  UCR154804  Spergula arvensis A. C. Sanders 2005-5-27 30312 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
  UCR127927  Spergularia A. C. Sanders 1993-4-5 13681 A 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
  UCR137681  Spergularia A. C. Sanders 1993-4-1 13674 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
  SD186160  Spergularia bocconi A. C. Sanders, E. J. Lawlor and Don Pendleton 1992-3-21 12074 Riverside Oasis Date Garden, 4.4 miles north of Mecca on Highway 111. -43 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
  UCR136190  Sphaeralcea ambigua A. C. Sanders, Mitch Provance, Petra Wester 2004-5-30 28015 San Bernardino Mojave Desert, powerline road from Pisgah to Lucerne Valley, north end of Lava Bed Mtns., 2 km south of Silver Cliffs Mine 1098 Comment
  UCR139580  Sphaeralcea ambigua A. C. Sanders, Petra Wester 2004-6-11 28140 San Bernardino San Bernardino Mtns., Burns Canyon, upper canyon in vicinity of Burns Spring 1524 Comment
  UCR214531  Sphaeralcea ambigua A. C. Sanders, A. Howald, Florence Caplow, et al 2010-5-3 38201 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
  UCR31119  Sphaeralcea ambigua var. ambigua A. C. Sanders 1983-4-23 3772 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
  UCR117066  Sphaeralcea rusbyi subsp. eremicola A. C. Sanders, Mark Elvin 2001-5-11 24283 San Bernardino Eastern Mojave Desert, near Valley Wells, 100 m north of I-15 on Exselsior Mine Rd. at wash crossing, E side of road 1140 Comment
  RSA653667  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, S of Winchester 433 Comment
  UCR54266  Sporobolus cryptandrus A. C. Sanders, E. J. Lawlor 1988-10-22 8729 Riverside Peninsular Range; Santa Rosa Mountains, Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine 1200 Comment
  CAS-BOT-BC248292  Stachys ajugoides A. C. Sanders; Fred M. Roberts 2008-6-17 35488 Orange Peninsular Range; Santa Ana Mtns.: 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
  UCR142080  Stachys albens A. C. Sanders, Mark A. Elvin 2002-8-26 25587 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
  UCR227412  Stachys albens A. C. Sanders 2011-7-21 39807 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
  RSA734666  Stachys rigida subsp. quercetorum A. C. Sanders, Fred M. Roberts 2008-6-17 35488 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
  SD248451  Stachys rigida var. quercetorum A. C. Sanders 2011-6-27 39724 Santa Cruz Outer South Coast Range: Santa Cruz Mountains; Eureka Canyon Road, 8.4 miles above Corralitos (Loma Prieta 7.5'Q) Road edge with steep cliffs above and below, near ridge top. S-facing slopes. 515 Comment
  CAS-BOT-BC374785  Stebbinsoseris heterocarpa A. C. Sanders 2011-3-29 38837 Riverside Peninsular Range; Edge of Gavilan Hills: Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  RSA714169  Stellaria media A. C. Sanders 2005-6-2 30365 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
  UCR169444  Stephanomeria A. C. Sanders, Mark A. Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25101 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
  SD240903  Stephanomeria diegensis A. C. Sanders, Fred M. Roberts 2008-8-7 35995 Orange Peninsular Range: Santa Ana Mountains: lower Weir Canyon, at narrow gorge ca. 0.6 mile above mouth of canyon at Irvine Ranch gate (Orange/Blac Star Canyon 7.5'Q) 188 Comment
  UCR109791  Stephanomeria exigua A. C. Sanders, G. F. Pratt, C. Pierce, G. R. Ballmer, R. Mattoni 1997-6-22 20823 Inyo Mojave Desert, China Lake Naval Weapons Center, Coso Range 2 mi. NE of Coso townsite, SW of China Gardens Spring 1707 Comment
  UCR112743  Stephanomeria exigua A. C. Sanders, P. J. MacKay, Tim Thomas, G. F. Pratt, C. Pierce 1997-10-11 21566 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
  CAS-BOT-BC375432  Stephanomeria exigua subsp. deanei A. C. Sanders 1996-10-2 19603 San Bernardino Yucaipa, between Av. E & F, E from Wilson Crk channel to top of slope 655 Comment
  UCR131083  Stephanomeria exigua subsp. deanei A. C. Sanders, T. B. Salvato 1999-7-9 22984 San Bernardino San Bernardino Mtns. foothills, Yucaipa, Wilson Creek north of Oak Glen Rd. & south of Fir Ave., between Fremont and Jefferson 930 Comment
  UCR154382  Stephanomeria exigua subsp. deanei A. C. Sanders, Mike Misenhelter 2005-6-15 30948 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
  UCR109802  Stephanomeria parryi A. C. Sanders, G. F. Pratt, C. Pierce, G. R. Ballmer, R. Mattoni 1997-6-22 20812 Inyo Northern Mojave Desert, China Lake Naval Weapons Center, Coso Range at Mariposa Spring, 2.25 mi. ENE of Silver Peak 1890 Comment
  UCR282056  Stephanomeria pauciflora A. C. Sanders, Jim Malusa 2017-9-21 43353 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  VVC108  Stephanomeria virgata A. C. Sanders, J. Mac 1996-10-20 19619 San Bernardino San Bernardino Mtns., Cajon Canyon, along Pacific Crest Trail/old highway from Cajon Junction to mouth of Crowder Canyon. 945 Comment
  IRVC28593  Stillingia linearifolia A. C. Sanders, Mark Elvin 2002-6-19 25191 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  RSA0012101  Stillingia linearifolia A. C. Sanders, John F. Green 2012-3-20 39970 Riverside Peninsular Range: Gavilan Hills Area. Eastern side of city of Lake Elsinore, off Hwy 74 near Crater Dr. 446 Comment
  RSA614107  Stillingia linearifolia A. C. Sanders 1997-3-1 19747 Riverside Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR271501  Stipa A. C. Sanders, Karen Kirtland 2016-6-3 42559 San Bernardino San Bernardino Mtns., So. CA Edison powerline, north of Pinnacles Camp Rd., 0.8 km airline north of Holcomb Valley Rd. at Holcomb Valley Campground 2256 Comment
  RSA710934  Stipa capensis A. C. Sanders, M. Skinner 1995-4-6 16393 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns.: Coachella Valley, Chino Canyon, along the Palm Springs Tram read, north side of the road 14 telephone poles above Hwy 111/Palm Canyon Drive. 290 Comment
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Oct 4 2010
  UCR187141  Stipa cernua A. C. Sanders 2006-5-16 32302 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
  UCR88480  Stipa coronata A. C. Sanders, E. J. Lawlor, P. MacKay, C. L. Sanders 1995-6-24 17372 San Bernardino San Bernardino Mtns, Barton Flats area, Hathaway Flat along Glass Road, near Barton Creek 1829 Comment
  IRVC29576  Stipa lepida A. C. Sanders 2003-4-29 26186 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  UCR121102  Stipa lepida A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24953 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR21300  Stipa lettermanii A. C. Sanders, K. Berg 1980-5-1 1349 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UCR271511  Stipa parishii A. C. Sanders, Karen Kirtland 2016-6-3 42543 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
  UCR117070  Stipa pulchra A. C. Sanders, Steven R. Hill 2001-5-4 24125 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR135759  Stipa pulchra A. C. Sanders 2004-5-7 27806 San Diego South Coast, Carlsbad, Agua Hedionda Ecological Reserve, near Laguna Riviera Park, off Park St. near roadside and along hiking trail SE of the park 6 Comment
  UCR192484  Stipa pulchra A. C. Sanders, Fred M. Roberts 2008-3-25 34512 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, 4 miles ENE of Villa Park at SE edge of Anaheim Hills 259 Comment
  UCR125634  Stipa speciosa A. C. Sanders 2003-5-26 25864 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
  UCR83184  Stipa speciosa A. C. Sanders, S. J. Myers, P. J. MacKay 1994-5-27 14538 San Bernardino San Bernardino Mtns, Lower Furnace Canyon on the north slope of the mountains above Lucerne Valley 1500 Comment
  UCR192516  Streptanthella longirostris A. C. Sanders 2008-4-2 34677 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
  SD129296  Streptanthus bernardinus A. C. Sanders, J. Lyman 1989-6-8 9106 San Bernardino San Bernardino Mountains, San Bernardino National Forest, mountain slopes west of Deep Creek and 1.75 miles westnorthwest of Green Valley Lake 1705 Comment
  CAS-BOT-BC226790  Strigosella africana A. C. Sanders 2011-4-22 39282 Inyo NE Mojave Desert: c. 5 miles east of Tecopa on Old Spanish Trail Highway 572 Comment
  CAS-BOT-BC257275  Strigosella africana A. C. Sanders; Ann Howald 2011-4-11 39042 Inyo NE Mojave Desert: Pahrump Valley, along stateline road (dirt) c. 2.2 miles NW of Old Spanish Trail Hwy 808 Comment
  UCR127773  Stylocline gnaphaloides A. C. Sanders, Cindy Burrascano, et al. 2003-5-3 26313 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
  UCR191249  Stylocline gnaphaloides A. C. Sanders 2008-4-29 35148 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
  UCR191689  Stylocline gnaphaloides A. C. Sanders 2008-4-23 35069 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon, gravelly draw on slope in side canyon to the east 1108 Comment
  UCR112141  Stylocline psilocarphoides A. C. Sanders, D. Malueg, K. D. Jones 1998-5-12 21840 San Bernardino Mojave Desert, 1.6 mi. NW of Phelan Road along powerline, near tower 35-3, c. 3 miles NE of Phelan 1152 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
  UCR82480  Suaeda calceoliformis A. C. Sanders, P. J. MacKay, G. K. Helmkamp, S. D. White, C. L. Sanders 1994-9-4 15556 San Bernardino San Bernardino Mtns, NE side of Baldwin Lake 2048 Comment
  VVC1543  Suaeda moquinii A. C. Sanders, PJ 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
  RSA515706  Suaeda moquinii A. C. Sanders 1982-10-19 3267 Inyo North end of Searles Dry lake, about 3 miles NE of Trona near the airstrip, just north of the San Bernardino County line. 518 Comment
  SD148192  Symphoricarpos mollis A. C. Sanders 2000-7-9 23577 Madera Northeast shore of Bass Lake, along the lakeshore road from Bass Lake School to near mouth of North Fork Willow Creek. 1036 Comment
  RSA381549  Syntrichopappus fremontii A. C. Sanders 1987-4-4 6987 San Bernardino Hart Mine, Sw end of the Castle Mtns, E Mojave Desert, S24 (except where noted) 1372 Comment
  UCR212663  Tamarix aphylla A. C. Sanders 2010-2-20 37298 Imperial Sonoran (Colorado) Desert; Colorado River Valley, Levee Rd. at Colby Rd., north of Ross Rd., Bard Valley NE of Winterhaven 43 Comment
  CAS-BOT-BC223972  Tamarix ramosissima A. C. Sanders 2010-2-20 37280 Imperial Sonoran (Colorado) Desert; Colorado River Valley: east of Winterhaven, west side of dirt road (east of ag fields) near east end of Arnold Rd. 38 Comment
  UCR26448  Tanacetum douglasii A. C. Sanders 1981-8-5 2292 Del Norte Crescent City, upper edge of beach at boat marina, near parking lot 0 Comment
  UCR271331  Tauschia parishii A. C. Sanders, Karen Kirtland 2016-5-11 42505 San Bernardino San Bernardino Mountains, Cactus Flat, So. Cal. Edison powerline route south of FS Rd. 3N62, c. 70 m east of Hwy 18 1805 Comment
  UCR240041  Tetracoccus hallii A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40514 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mountains, 8.9 km SE of Gasline Rd. at narrow wash crossing 701 Comment
  UCR264461  Tetracoccus hallii A. C. Sanders, Jim Malusa 2015-9-7 41812 Imperial Sonoran (Colorado) Desert, at newly constructed target (below dark volcanic hill) called 'Invader' 450 Comment
  UCR131086  Tetradymia comosa A. C. Sanders, Mitch Provance 1999-6-23 22855 San Bernardino San Bernardino Mtns. foothills, Yucaipa, Wilson Creek north of Oak Glen Rd. & south of Fir Ave., between Fremont and Jefferson 930 Comment
  UCR140731  Tetradymia comosa A. C. Sanders 2004-5-12 27871 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR118174  Thamnosma montana A. C. Sanders, G. F. Pratt, C. Pierce 1997-4-5 20257 San Bernardino Northern Mojave Desert, Avawatz Mountains, Fort Irwin National Training Center, spring in canyon south of peak 4849 ft. 1280 Comment
  UCR84888  Thamnosma montana A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16138 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR97042  Thelypodium lemmonii A. C. Sanders, Steve Boyd, S. White, G. Helmkamp 1997-3-7 19836 Kern San Emigdio Ranch, 4 km NE of Eagle Rest Peak (near bench mark 4070), along a dirt road 6.5 km north of Antimony Peak 1220 Comment
  UCR98316  Thelypodium lemmonii A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, T. Ross 1997-4-12 20409 Kern Hills S of San Joaquin Valley, San Emigdio Ranch: 'Pleito Ridge,' west of Pleito Creek along a dirt road, c. 4.5 mi. north of Antimony Peak 1220 Comment
  SBBG120037  Thysanocarpus curvipes A. C. Sanders with E. J. Lott, D. Pendleton 1992-4-15 12227 San Bernardino near old Hubner house on Birmingham Ranch in Water Cyn, N of Wildwood Cyn, E of Water Cyn Rd, E of Yucaipa 1067 Comment
  UCR75335  Thysanocarpus curvipes A. C. Sanders 1993-4-11 13740 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
  UCR214139  Thysanocarpus laciniatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37719 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
  UCR214271  Thysanocarpus laciniatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37741 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  UCR235063  Thysanocarpus laciniatus A. C. Sanders, Mihai Costea, T. B. Salvato, Benjamin T. Wilder 2012-5-8 40142 San Bernardino Western San Bernardino Mountains, Cajon Pass area, Cleghorn Road (dirt) above powerlines, 1.6 miles airline ENE (98 deg. ) of Cajon Junction 1120 Comment
  UCR75405  Thysanocarpus laciniatus A. C. Sanders, O. F. Clarke, M. Alexander 1993-4-23 13750 San Bernardino San Bernardino Mtns., Cajon Pass area, Hwy 138, 3.2 miles east I-15 at Cajon Junction., 0.9 mi. west of Summit. Upper Crowder Cyn. 1100 Comment
  UCR269609  Tidestromia suffruticosa var. oblongifolia A. C. Sanders, Jim Malusa 2016-3-14 42173 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, along old Niland-Blythe Rd., 1.92 km NE of Siphon 8 on the Coachella Canal, NE of Slab City 51 Comment
  UCR279129  Tiquilia canescens var. pulchella A. C. Sanders, Jim Malusa 2017-3-12 42843 Imperial Sonoran (Colorado) Desert, Chocolate Mountains, Pegleg Well near Pegleg Mine 424 Comment
  RSA709435  Tiquilia plicata A. C. Sanders, Mark Elvin 2003-10-5 27286 San Bernardino Southern Mojave Desert: large wash southeast of Dale Dry Lake, south side of Hwy 62 just west of Ironage Rd. 410 Comment
  SD193219  Torilis arvensis A. C. Sanders 2005-6-2 30428 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. 701 Comment
  UCR155427  Torilis nodosa A. C. Sanders, T. B. Salvato 2005-6-17 31082 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
  RSA389639  Trianthema portulacastrum A. C. Sanders 1986-9-12 6953 Kern San Joaquin Valley, Twisselman Road at Hwy I-5, 4.9 mi. S of the Kings Co. line 67 Comment
  RSA652929  Trianthema portulacastrum A. C. Sanders, Pam MacKay, Tim Thomas 1999-8-14 23031 San Bernardino Southern Mojave Desert: W edge of Rabbit Springs, NW of Lucerne Valley., [UTM 10km cell: 11S NJ-oE, 1N. Lucerne Valley] 881 Comment
  SD240816  Trianthema portulacastrum A. C. Sanders 2011-9-15 39894 Riverside Sonoran (Colorado) Desert: Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave., 58, 0.35 mi east of Jackson St. near Calhoun St. (Indio 7.5'Q) -24 Comment
  VVC1553  Tribulus terrestris A. C. Sanders, PJ MacKay, Tim Thomas 2004-10-17 28915 San Bernardino Southern Mojave Desert, Giant Rock "Airport" 6.6 miles SE of Old Woman Springs Rd. via Bodick Rd., below bouldery slopes of Spy Mtn. 854 Comment
  UCR86981  Tricardia watsonii A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-7 16956 San Bernardino San Bernardino Mtns/ So. Mojave Desert, canyon and slopes above Rock Corral, NE foot of the mtns, Bighorn Mtns. area 1220 Comment
  UCR116634  Trichoptilium incisum A. C. Sanders, Mitch Provance, Tim Thomas 2001-3-16 23823 San Bernardino Southcentral Mojave Desert, Sheep Hole Mountains, south side of Sheep Hole Pass, canyon east of the highway c. 0.6 mi. south of microwave tower 750 Comment
  UCR193271  Trichostema austromontanum subsp. austromontanum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35613 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  UCR193951  Trichostema austromontanum subsp. austromontanum A. C. Sanders 2008-7-25 35901 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  SD233873  Trichostema lanceolatum A. C. Sanders, Kelly Volansky 2003-10-16 27338 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  SD262306  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 (Big Bear City 7.5'Q) Comment
  IRVC27238  Trichostema parishii A. C. Sanders, Mark A. Elvin, et al. 2003-5-4 26530 San Diego Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail Peninsular Range 945 Comment
  RSA691912  Trichostema parishii A. C. Sanders, Mark A. Elvin, Cindy Burrascano, A. Pignoli, A. Thompson 2003-5-4 26530 San Diego Peninsular Range: Otay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail. 945 Comment
  RSA710851  Trichostema parishii A. C. Sanders 1992-5-22 12308 San Bernardino San Bernardino Mtns: east of Yucaipa, Birmingham Ranch in Water Canyon, N of Wildwood Canyon. 976 Comment
  IRVC28128  Trifolium albopurpureum A. C. Sanders 2003-5-1 26260 Los Angeles SE slopes of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and ESE of the filtration plant, Newhall Ranch property Western San Gabriel Mtns. 396 Comment
  RSA0116263  Trifolium albopurpureum A. C. Sanders 2008-4-16 34906 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert: west end of Antelope Valley, hills c. 1.25 mi. NE of Quail Lake, c. 0.7 mile north of Hwy 138. 970 Comment
  UCR28668  Trifolium ciliolatum A. C. Sanders 1976-5-6 00060 San Diego Peninsular Range, SE side of El Cajon Mtn, above El Capitan Reservoir, along the truck trail 915 Comment
  RSA692077  Trifolium fragiferum A. C. Sanders, Mark Elvin 2002-6-25 25282 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 Comment
  UCR229248  Trifolium glomeratum A. C. Sanders 2011-7-2 39743 Santa Cruz Outer South Coast Range; Santa Cruz Mountains, upper Eureka Canyon Rd, 0.23 mi. below Buzzard Lagoon Rd. junction 555 Comment
  SBBG120005  Trifolium gracilentum A. C. Sanders, K. Volansky 2005-3-17 29223 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 412 Comment
  SD186225  Trifolium gracilentum A. C. Sanders, Tricia Wotipka, et al. 2003-5-14 26680 Ventura Crest of range, 2.0- km west of Los Angeles County line, southwest edge of Newhall Ranch. 762 Comment
  UCR154843  Trifolium gracilentum A. C. Sanders, Kelly Volansky 2005-3-17 29223 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
  UCR186771  Trifolium gracilentum A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32086 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
  UCR225619  Trifolium gracilentum A. C. Sanders, T. B. Salvato 2011-3-28 38826 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  CAS-BOT-BC173213  Trifolium gracilentum A. C. Sanders; Tricia Wotipka; Mark A. Elvin; et al 2003-4-28 26129 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 518 Comment
  UCR75391  Trifolium hirtum A. C. Sanders 1993-4-11 13726 San Bernardino San Gabriel Mtns., San Bernardino Mtns., Cajon Pass, 0.8 mi. east of Cajon Junction on Hwy 138, Crowder Canyon 1000 Comment
  UCR155470  Trifolium microcephalum A. C. Sanders 2005-6-2 30354 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
  UCR184288  Trifolium microcephalum A. C. Sanders, Mitch Provance 2007-5-25 33972 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
  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
  UCR112585  Trifolium willdenovii A. C. Sanders 1998-3-17 21739 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  IRVC29119  Trifolium willdenowii A. C. Sanders, Mark A. Elvin 2003-5-13 26603 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  UCR184000  Tropidocarpum gracile A. C. Sanders, T. B. Salvato, Mitch Provance 2007-5-15 33816 Kern Tehachapi Mountains, steep SW-facing slopes above Crane Canyon, c. 1 mile SE of Castac Lake 1250 Comment
  UCR90793  Tropidocarpum gracile A. C. Sanders, G. K. Helmkamp 1996-3-24 18000 San Bernardino Mojave Desert, NE corner of intersection of Hwy 395 and Bear Valley Road, north of a gas station. 991 Comment
  RSA713802  Typha domingensis A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27902 Riverside Peninsular Range: Alberhill Mountain, around dried pool in bottom of a large clay pit. 445 Comment
  SD185094  Typha domingensis A. C. Sanders, T. B. Salvato 2005-10-7 31786 San Diego Buena Vista Lagoon Ecological Reserve, Oceanside, northwest side of lagoon near Audubon Nature Center at Hill St./Carlsbad Blvd. Comment
  UCR162722  Typha domingensis A. C. Sanders, T. B. Salvato 2005-10-12 31831 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
  SD173583 Image available Ulmus americana Andrew C. Sanders 2004-7-9 28467 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
  UCR137534  Ulmus americana A. C. Sanders, Kerry Knudsen, J. R. Ekhoff 2004-7-9 28467 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-BC224918  Uropappus lindleyi A. C. Sanders 2011-4-6 38988 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
  SBBG120818  Urtica dioica A. C. Sanders 2006-6-7 32710 San Bernardino mouth of Mill Crk Cyn at Greenspot, N side of Hwy 38 (Mill Crk Rd) from Greenspot Rd to 1 km above (E) 616 Comment
  UCR174576  Urtica dioica A. C. Sanders 2006-6-7 32710 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
  UCR193954  Urtica dioica A. C. Sanders 2008-7-25 35890 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
  UCR194998  Urtica dioica A. C. Sanders, Fred M. Roberts 2008-8-7 36005 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir 226 Comment
  RSA749048  Urtica dioica subsp. holosericea A. C. Sanders, Fred M. Roberts 2008-8-7 36005 Orange Weir Canyon at powerline crossing, 1.0 mi. (air) SSE of Walnut Canyon Reservoir 226 Comment
  UCR205953  Urtica urens A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37076 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
  UCR26557  Vaccinium ovatum A. C. Sanders 1981-8-5 2288 Del Norte North Coast, Crescent City, rocky knob above the ocean on the south side of the boat harbor at the end of Anchor Dr., off Hwy 101. This knob [Whaler Island] was probably formerly an island but is now connected to the mainland by a causeway 8 Comment
  RSA614519  Verbascum thapsus A. C. Sanders 1994-1-30 14223 Riverside Corona, Orange Heights section, D. R. Horton Custom Homes Tentative Tract, N side of Chase Dr. between Rimpau (Lester) Ave and California (Compton) Ave. 300 Comment
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Nov 15 2011
  UCR137548  Veronica anagallis-aquatica A. C. Sanders, Kerry Knudsen 2004-7-2 28421 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
  UCR183673  Veronica anagallis-aquatica A. C. Sanders, Mitch Provance, T. B. Salvato, Aaron Keller, et al 2007-4-3 33351 Kern Southern Tehachapi Mtns. Foothills, canyon just west of Bronco Canyon, but draining toward mouth of Big Sycamore Canyon 1052 Comment
  UCR260133  Veronica peregrina subsp. xalapensis A. C. Sanders 2015-2-19 41250 Riverside San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd., north of Record Rd. 442 Comment
  UCR94675  Veronica peregrina subsp. xalapensis A. C. Sanders, E. J. Lott 1993-5-6 13975 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  RSA713270  Vicia americana A. C. Sanders, Tricia Wotipka, Mark A. Elvin, Scott Boczkiewicz 2003-5-14 26679 Ventura Crest of the range 2 km west of Los Angeles Co. line, SW edges of Newhall Ranch. 762 Comment
  IRVC27848  Vicia hassei A. C. Sanders 2005-5-6 29975 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 213 Comment
  UCR187106  Vicia hassei A. C. Sanders 2006-5-16 32295 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
  UCR152547  Vicia sativa A. C. Sanders, Lee Jones 2005-4-8 29350 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR214632  Vicia sativa A. C. Sanders, Dan S. Cooper 2010-3-12 37364 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR139989  Vicia villosa A. C. Sanders 2004-8-10 28765 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR26487  Vicia villosa subsp. varia A. C. Sanders, S. Hagopian 1981-5-20 2127 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  SBBG120040  Vicia villosa subsp. villosa A. C. Sanders with E. J. Lott, D. Pendleton 1992-4-15 12220 San Bernardino Birmingham Ranch at confluence of Water Cyn and Wildwood Cyn, E of Yucaipa 915 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
  UCR125420  Viola pedunculata A. C. Sanders, Mark Elvin, K. Rindlaub 2003-3-5 25706 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
  CAS-BOT-BC203188  Vitis girdiana A. C. Sanders; P. MacKay; L. Lubinsky; P. Lubinsky 1994-10-30 15856 Riverside San Bernardino Mountains: Whitewater River Canyon near site of Stills Landing 1036 Comment
  RSA564629  Vulpia microstachys A. C. Sanders, Oscar F. Clarke, M. Alexander 1993-4-23 13761 San Bernardino Summit Valley, 4.6 mi E of hwy 138 jct on Hwy 173, 1.7 mi S of Grass Valley crossing 1100 Comment
  HSC82820  Xylorhiza orcuttii A. C. Sanders 1985-3-24 5409 Imperial Borrego Badlands, along Hwy S-22, the Borrego-Salton Seaway, SE end of the Santa Rosa Mtns., ca. 1/2 mi. E of Anza-Borrego State Park boundary. 61 Comment
  VVC90  Xylorhiza tortifolia A. C. Sanders 1995-5-7 16978 San Bernardino San Bernardino Mtns/ So. Mojave Desert, canyon and slopes above Rock Corral, NE foot of the mtns, Bighorn Mtns. area 1220 Comment
  RSA712883  Yabea microcarpa A. C. Sanders, Petra Wester, T. B. Salvato 2004-5-1 27733 Ventura Western Transverse Range: Cuyama Valley, mouth of Apache Canyon, 0.4 mi. east of Hwy 33. 1029 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
  UCR269896  Yucca schidigera A. C. Sanders, Jim Malusa 2016-3-7 42142 Imperial Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, c. 3.6 km NE (68 deg. ) of Salvation Pass well site 398 Comment
  UCR112144  Yucca whipplei var. caespitosa A. C. Sanders, D. Malueg, K. D. Jones 1998-5-12 21843 San Bernardino Mojave Desert, north of Rabbit Dry Lake, S foot of Granite Mtns., under powerlines west of Chimney Rock 945 Comment
  RSA749996  Yucca whipplei var. whipplei A. C. Sanders, Fred M. Roberts, Amber O Neal 2008-5-9 35327 Orange Weir Canyon, 0.3 mi. west of Eastern Transportation Corridor (Hwy 241) and 1.45 mi. east of south end of Walnut Canyon Reservoir 335 Comment
  SD197788  Zeltnera venusta A. C. Sanders, T. B. Salvato 2005-6-29 31269 San Diego Boden Canyon Ecological Reserve; East end of San Pasqual Valley, lower part of reserve along Santa Ysabel Creek, near where road crosses and confluence of Boden Canyon Creek 228 Comment
  UCR249919  Zigadenus venenosus var. venenosus A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36788 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 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
  UCR264234  Ziziphus obtusifolia var. canescens A. C. Sanders, Jim Malusa 2015-9-11 41873 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Iris Pass, in gorge of pass below a large cliff/peak 673 Comment



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