Search Results — 2000 specimen records retrieved (1892 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR26356  Abies concolor A. C. Sanders, J. A. Harpel 1981-8-26 2336 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  CDA23833  Abronia pogonantha M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  CAS-BOT-BC229334  Abronia villosa N. Aitkenhead 1977-2-1 2177 Riverside Dillon Rd. 3 mi. past junction w/ 1000 Palms Canyon Rd Comment
  CAS-BOT-BC229358  Abronia villosa C. L. Hitchcock 1940-4-4 5951 Riverside Pinto Basin Comment
  NY43447  Abronia villosa C. R. Annable 1995-3-9 2256 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  RSA461030  Abronia villosa Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  SBBG1867  Abronia villosa H. and M. Dearing 1939-12-31 4047 Riverside 5 mi N of Palm Springs Comment
  SEINET893741  Abronia villosa H. M. Hall 1902-1 2915 Riverside Vicinity of Winchester, in the Upper Sonoran Zone. 457 Comment
  RSA461181  Abronia villosa var. aurita N. C. Cooper 1949-6-29 4293 Riverside East side of San Jacinto Mountains. 1524 Comment
  UCR42809  Abronia villosa var. aurita A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 6457 C Riverside Peninsular Range, Temescal Wash just below Lee Lake [Corona Lake], 5 mi NW of Alberhill 366 Comment
  RSA779627  Abronia villosa var. villosa Duncan S. Bell 2010-4-1 661 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA735217  Acacia greggii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11239 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SD121846  Acamptopappus sphaerocephalus C. H. Muller 1952-5-20 Riverside Whitewater Canyon Comment
  RSA6649  Acamptopappus sphaerocephalus var. sphaerocephalus Carl B. Wolf 1932-5-25 3681 Riverside San Gorgonio Wash, on road to Snow Creek 366 Comment
  RSA575824  Achnatherum coronatum Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, western flank of Estelle Mountain above entrenched meander of Temescal Creek, northwest of Lee Lake. 366 Comment
  POM365982  Achnatherum hymenoides N. C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  RSA707841  Achnatherum hymenoides L. M. Prince, N. Refulio 2002-3-16 2 -272 Riverside Whitewater Canyon. ca. 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek. Comment
  SEINET5585611 Image available Achnatherum lettermanii B. L. Johnson 1960-1 s.n. Riverside Twin Lakes, above Bridgeport, at the upper lake Comment
Read comments
Jul 5 2015
  OBI26118  Achyronychia cooperi David J. Keil 1976-12-12 11919 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  RSA102379  Achyronychia cooperi S. B. Parish, W. F. Parish 1882-04 219 Riverside Colorado Desert at Agua Caliente. Comment
Read comments
Jul 12 2010
  CAS-BOT-BC204876  Acmispon argyraeus var. argyraeus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UCR268300  Acmispon heermannii var. heermannii Jim Andre 2012-6-15 30522 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  UCD104447  Acmispon strigosus T. B. Salvato; Kent Beaman 2005-5-16 785 Riverside San Jacinto Mtn. foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy. 74. 549 Comment
  UCD128478  Acourtia microcephala R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga. Comment
  HSC99952  Adenostoma fasciculatum J. P. Smith, & J. O. Sawyer 2011-6-9 13195 Riverside 1470 Comment
  UCR174151  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32526 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
  IRVC29859  Adenostoma sparsifolium Mark A. Elvin 2004-10-12 3812 Riverside S of Idyllwild, N of Mountain Center along Hwy 243. San Jacinto Moutnains 1524 Comment
  RSA228832  Adiantum jordanii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 614 Riverside Cleveland National Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  SDSU13825  Adiantum jordanii W. Miller, C. Mosse 1972-8-9 Riverside About 1/2 way to river. Comment
  OBI54980  Adiantum pedatum Marjorie Lewis 1947-8-26 22 Riverside San Jacinto Mts. Dark Canyon 1981 Comment
  SEINET5641182  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28520 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 759 Comment
  SEINET5641186  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  CAS-BOT-BC15438  Agoseris grandiflora var. grandiflora Mary F. Spencer 1919-6-28 1346 Riverside San Jacinto Mountains 1645 Comment
  RSA296133  Agrostis exarata B. A. Prigge 1980-8-5 3846 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA550271  Aliciella latifolia W. Wisura, John Dolan, Michael Wall 1992-3-24 4625 Riverside 7.7 mi NE of Mecca on Box Canyon Rd. Comment
  POM98810  Allionia incarnata P. A. Munz 1926-1-31 9957 Riverside Dos Palmos [Palmas] Spring. Comment
  SEINET10389829  Allionia incarnata A. C. Sanders, Jim Malusa 2015-9-10 41846 Riverside Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  JEPS47607  Allium cratericola Frank W. Peirson 1922-5-21 3069 Riverside small side canyon, on e side of Hemet Valley San Jacinto Mts., Hemet Valley 1371 Comment
  CLARK-A1528-2791  Allium fimbriatum John C. Roos 1941-5-10 129 Riverside Santa Rosa Mountains Comment
  JOTR30649  Allium parishii La Doux, Tasha, Erin Babich 2008-4-21 1809 Riverside Joshua Tree National Park. Stop 6- Little San Bernardino Mountains, above Upper East Deception Canyon, open rocky ridge 1406 Comment
  JOTR30919  Allium parishii La Doux, Tasha, Bill Truesdell 2008-4-29 2595 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 7) 1208 Comment
  RSA367126  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet. 640 Comment
  CAS-BOT-BC475411  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  UCR139151  Allophyllum S. J. Myers, Andrei Krylor 2003-4-30 s.n. Riverside San Jacinto Mtns. Region, Reed Valley, c. 1.5 mi. SW of Little Cahuilla Mtn. 1098 Comment
  UCR281272  Allophyllum glutinosum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 30 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  UCR227804  Allophyllum violaceum Duncan S. Bell, Ryan Parker 2010-6-1 1230 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.1 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 771 Comment
  RSA593984  Aloe saponaria Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 952 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  POM14623  Amaranthus albus H. Baer 1922-9-10 s.n. Riverside Lee Lake, Temescal canyon Comment
  RSA507509  Amaranthus albus S. A. Meyers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd & Borel Road. 396 Comment
  RSA661035  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  RSA302135  Amaranthus fimbriatus J. R. Shevock 1972-10-14 2320 Riverside Upper Coyote Canyon, Anza Borrego St. Park. Comment
  RSA356608  Amaranthus fimbriatus R. F. Thorne 1966-10-15 41817 Riverside Palm Springs. Comment
  UCR110395  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23077 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  GMDRC3498  Amaranthus torreyi J. Andre, T. La Doux 2008-9-16 10686 Riverside Little San Bernardino Mountains: Joshua Tree National Park: along Bell Mtn Rd, atop Bell Mtn appox 0.3 mi. N. of radio tower. Queen Mountain USGS 7.5 min quad 34 deg. .35' N 116 deg. .017' W. Elev. 4458 ft. 1359 Comment
  UC1518845  Ambrosia acanthicarpa Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55355 Riverside near, in wash between new and old hwy bridges and along Whitewater River Whitewater Post Office; San Bernardino Mts., Whitewater River, Whitewater Canyon 411 Comment
  UC2047211  Ambrosia acanthicarpa A. C. Sanders with Sandra L. Leatherman, Jeff Crain 2015-5-18 41712 Riverside Temescal Valley near Glen Ivy, along Temescal Canyon Road at Campbell Ranch Road intersection. Lake Mathews 7.5' Quad. Comment
  CAS-BOT-BC22579  Ambrosia dumosa Aven Nelson; Ruth Ashton Nelson 1939-3-30 3340 Riverside On highway 60, near Desrt Center Comment
  RSA416963  Ambrosia dumosa N. C. Cooper 1949-4-8 3234 Riverside Mecca Pass east of Indio. 548 Comment
  RSA696750  Ambrosia dumosa J. Russell Bruff 1928-4-1 75 Riverside Whitewater Comment
  RSA777299  Ambrosia dumosa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 986 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR34895  Ambrosia dumosa L. B. Ziegler 1973-3-6 495 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  RSA0130720  Ambrosia dumosa Glen Rink 2013-3-19 11891 Riverside About twelve west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  UC1595693  Ambrosia ilicifolia W. Wisura, J. Romero, and M. Husar 1992-4-24 4706 Riverside n base of Chuckwalla Mts. (Corn Spring); Colorado Desert, , Corn Spring Comment
  UC576463  Ambrosia salsola Edith A. Purer 1935-4-19 6360 Riverside along old stage route, Colorado Desert Colorado Desert Comment
  UCR227182  Ambrosia salsola Jim Andre 2011-2-9 15934 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR19670  Amelanchier utahensis Art Whistler 1966-5-8 s.n. Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  PASA1998  Amsinckia douglasiana Frank W. Peirson 1921-3-22 Riverside Murray Canyon, Palm Springs Region 396 Comment
  JEPS61150  Amsinckia intermedia Marjorie D. Clary 1933-3-26 2076 Riverside near foot of Santa Rosa Mountains (w side Colorado Desert, Ebbons Creek Wash); Colorado Desert, Santa Rosa Mountains 274 Comment
Read comments
Oct 30 2011
  SEINET3083496 Image available Amsinckia intermedia Michael Theroux 1982-4-21 154 Riverside Breckenridge Rd., adjacent to Guimarra Vineyards, 2-3 mi. E of Commanche Dr., near Cottonwood Creek. (Rio Bravo Ranch 7.5' Quad) Comment
  UC56849 Image available Amsinckia intermedia H. M. Hall 1902-4-1 2891 Riverside vicinity Winchester; Diamond Valley; Diamond Valley, Riverside Co. 548 Comment
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Mar 20 2011
  UCR172615  Amsinckia intermedia A. C. Sanders, John F. Green 2006-5-18 32371 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
  UCR213597  Amsinckia intermedia A. C. Sanders, Matthew Malle 2010-4-23 37985 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR91420  Amsinckia intermedia Scott D. White 1995-4-5 2728 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR226060  Amsinckia tessellata A. C. Sanders, Nathan Moorhatch 2011-3-22 38763 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  CSUSB1820  Anagallis arvensis Deborah Sullivan 1973-7-17 Riverside Pedley, Riverside. 243 Comment
  RSA180491  Anagallis arvensis E. W. Lathrop 1960-4-15 4760 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  RSA524422  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4117 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA314396  Andropogon glomeratus R. F. Thorne 1982-10-8 55407 Riverside San Bernardino Mountains: about 3.2 miles north of Whitewater Post Office 595 Comment
  UCD137873  Anemopsis californica Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3727 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 472 Comment
  JOTR31072  Anisocoma acaulis La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2335 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  SD215368  Anthriscus caucalis Steve Boyd 1991-5-10 6214 Riverside Santa Ana Mountains, base of the range, just north of mouth of Hagador Canyon at bottom of Skyline Drive, 427 Comment
  CLARK-A1528-4159  Antirrhinum coulterianum John C. Roos 1937-4-17 1353 Riverside San Timoteo Canyon Comment
  RSA192076  Antirrhinum coulterianum E. W. Lathrop 1966-5-25 6340 -b Riverside 9 miles NW of Murrieta, Los Alamos Ranch Comment
  SD4551  Antirrhinum coulterianum Fidella G. Woodcock 1928-4-27 Riverside Valley between San Jacinto Mountain and Warner's Hot Springs Comment
  RSA612482  Antirrhinum kelloggii D. L. Banks 1997-2-23 1335 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  SEINET7048204  Antirrhinum kelloggii Steven R. Hill, Andrew C. Sanders 2001-5-4 33716 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UCR161437  Antirrhinum nuttallianum A. C. Sanders, Mike Misenhelter 2005-9-20 31681 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR199644  Antirrhinum nuttallianum Scott D. White, Justin M. Wood 2008-4-3 11788 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UC672565  Antirrhinum nuttallianum subsp. nuttallianum Herbert L. Mason 1926-5-2 3203 Riverside Temecula Valley Comment
  UC76434  Antirrhinum nuttallianum subsp. nuttallianum Miss M. Alice King May 1893 Riverside Menifee Comment
  UCR3440  Antirrhinum nuttallianum subsp. nuttallianum John Minnich 1964-3-9 64-3-9- 01 Riverside Peninsular Range, City of Riverside. 'Two Trees Canyon' c. 0.25 mi. from end of Two Trees Road, near the east end of Blaine St. 366 Comment
  UCR89851  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3310 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR116968  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2001-5-3 24093 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR128308  Apocynum cannabinum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8624 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR237875  Arabis Mark A. Elvin 2003-3-26 2363 Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 Comment
  POM99028  Arabis glaucovalvula E. C. Jaeger 1926-3-24 s.n. Riverside White Tank, northern edge of Colorado Desert Comment
  RSA27439  Arabis perennans C. L. Hitchcock 1940-4-5 5966 Riverside Ciffs above Cottonwood Springs Comment
  POM254321  Arabis pulchra P. A. Munz 1940-3-24 15709 Riverside 2 miles north of Cottonwood Spring, Eagle Mountains. 915 Comment
  RSA629137  Arctostaphylos Jon E. Keeley 1992-7-16 16576 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629354  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15538 Riverside Road to Elsinore Pk., 1/2 km south of Elsinore Pk. 1000 Comment
  RSA629476  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15543 Riverside Rd to Elsinore Pk., 1 km S of Elsinore Pk. Santa Ana Mtns. 950 Comment
  SD217272  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6655 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness; lower half of Tenaja Canyon especially about Fisherman/s Camp Comment
  RSA629416  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19496 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
Read comments
Jun 8 2012
  UCD105729  Arctostaphylos glandulosa var. adamsii T. Scott; A. Townesmith, K. M. Meyer 2007-3-15 130 Riverside San Bernardino National Forest. 9.4 mi. S on 243 (Palms to Pines National Scenic Byway) from US 10. Along side of road at pull-off before Diamond Zen Rd. 1298 Comment
  CAS-BOT-BC24674  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 0.5 mi. sw. of summit of Moreno Grade, Bad Lands, sw. of Beaumont. 609 Comment
  RSA631726  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16501 Riverside Hills around Indian Oaks Ranch, east of Lake Skinner. 500 Comment
  RSA631759  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15065 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631767  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15076 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA736549  Arctostaphylos glauca Scott D. White, Angelia Carey 2004-7-2 10584 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA633531  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20130 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633550  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21788 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633556  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16685 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633563  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21750 Riverside Dirt road to Santa Rosa Mountain, 1.8 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1605 Comment
  RSA633578  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20116 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633601  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22515 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633641  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20105 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633693  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21777 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633733  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21751 Riverside Dirt road to Santa Rosa Mountain, 1.8 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1605 Comment
  RSA633761  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22654 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA635198  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16775 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA537394  Arctostaphylos pringlei subsp. drupacea W. Wisura 1991-9-21 4576 Riverside San Jacinto Mts., PCT below fuller Ridge Comment
  CSUSB1373  Arctostaphylos pringlei var. drupacea Sue Freeman 1966-4-30 Riverside San Jacinto Mountains San Jacinto Mountains. Along Fuller Mill Creek in Yellow Pine Forest. 1523 Comment
  RSA635805  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16551 Riverside Red Mountain Road, 10.7-11.5 km east of R3. 1050 Comment
  SD229132  Arctostaphylos pungens Dick Schwenkmeyer 2012-3-26 670 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCD53750  Arctostaphylos pungens John Thomas Howell 1960-3-24 35149 Riverside Keene Camp Summit; Pines to Palms Hwy.; San Jacinto Mts. 1493 Comment
  UCD53754  Arctostaphylos pungens A. E. Wieslander 1936-8-29 682 Riverside Tahquitz Pk. Road. 1524 Comment
Read comments
Dec 15 2011
  CAS-BOT-BC46257  Arctostaphylos rainbowensis A. C. Sanders; Kent Beaman 2002-5-10 25056 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills w. of the head pf De Luz Creek, 0.4 mi. s. of Tenaja Rd. On w. side of Calle 670 Comment
  CAS-BOT-BC46258  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail 462 Comment
  SD135211  Arctostaphylos rainbowensis Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-11 19485 Riverside Eastern Santa Margarita Mtns., W of Temecula, off Colman Rdl, 0.8 km N of Carancho Rd. and W of De Luz Rd. 170 Comment
  UCR209396  Arctostaphylos rainbowensis Fred M. Roberts 2007-4-13 6515 Riverside Santa Ana Mountains, south of Mesa de Colorado on the Santa Rosa Plateau, northwest corner of El Calamar Road and Via Escalon, 1.6 km west-northwest of the summit of Mesa de La Punta 536 Comment
  UCR61702  Arctostaphylos rainbowensis S. J. Myers 1990-3-21 s.n. Riverside Santa Rosa Plateau area: along Los Gatos Road, 1/2 mi south of Buena Vista Road (2 mi west of Sandia Canyon and 0.1 mi north of San Diego County line) 366 Comment
  RSA0123182  Argemone munita Duncan S. Bell, LeRoy Gross 2016-3-30 9170 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  SD137698  Argemone munita Darin L. Banks, Peter Morrell 1995-5-4 305 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail. 622 Comment
  UCR170127  Argemone munita Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 100 Riverside San Gorgonio Pass, Morongo Indian Reservation; Road between Millard and Lion Canyon (Deep Canyon Road?), below Deep Canyon 619 Comment
  RSA0042171  Argythamnia lanceolata Duncan S. Bell, Evan Meyer 2014-4-2 6515 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  JOTR31819  Aristida adscensionis La Doux, Tasha, Bill Truesdell 2007-11-9 2525 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  UC196994  Aristida adscensionis Joseph Grinnell 1910-3-17 Riverside Riverside Mt. Colorado River Comment
  UCR20454  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Riverside, east face of Mt. Rubidoux 366 Comment
  RSA5172  Aristida adscensionis var. modesta C. B. Wolf 1932-4-27 2987 Riverside Palm Springs. 152 Comment
  GMDRC2038  Aristida californica var. californica J. Andre, T. La Doux 2006-4-11 6739 Riverside Pinto Basin: Pinto Basin: about 1 mi. N. of Pinto Basin Rd (paved) growing in the Sand Hill area, stabilized dunes. Elev. 1728 ft. 527 Comment
  RSA0027479  Aristida purpurea var. purpurea Deidre Conocchioli, Naomi Fraga, Billy Sale 2013-9-25 60 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  CLARK-A1528-4993  Artemisia californica John C. Roos 1948-4-24 3806 Riverside Whitewater Comment
  RSA417289  Artemisia douglasiana Albert J. Perkins 1916-9-12 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  RSA638202  Artemisia douglasiana Scott D. White 1998-10-9 7172 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  JOTR32834  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UCR138556  Artemisia tridentata Steve Boyd, D. E. Bramlet 1988-10-8 2877 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  SEINET10513656  Arundo donax David B. Dunn 1946-3-17 Dunn 2103 Riverside Collected at the lower end of the springs at pushawalla where the springs are Disappearing in the sand. Indio hills. Comment
  RSA714008  Asclepias californica Elbert Benjamine 1929-5-18 221 Riverside Mt. San Jacinto. 1524 Comment
  JEPS6287  Asclepias eriocarpa Marjorie D. Clary 1932-7-4 1208 Riverside Santa Rosa Mts. Kenworthy area; , Kenworthy area 1371 Comment
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Mar 25 2011
  UCR34994  Asclepias eriocarpa L. B. Ziegler 1972-6-26 487 Riverside San Jacinto Mtns, [Hemet] Garner Valley 1400 Comment
  OBI37557  Asclepias fascicularis Steve Boyd 1985-8-7 1102 Riverside Santa Rosa Plateau region, NW base of Redonda mesa on Tenaja Rd, 0.8 mi E ofjtn with 8S01 and 8S02 Comment
  UCR41736  Asphodelus fistulosus B. G. Pitzer 1986-3-18 BG 0060 Riverside University of California, Riverside. Botanic Garden 396 Comment
  RSA417656  Aster subulatus var. ligulatus L. C. Wheeler 1932-9-4 1335 Riverside Santa Ana River at Chino Creek 183 Comment
  CAS-BOT-BC177468  Astragalus aridus Ira L. Wiggins 1938-3-19 8901 A Riverside Colorado Desert 25 miles west of Blythe Comment
  SEINET13752368  Astragalus aridus Heather Breakiron 2017-3-25 5 Riverside 10 miles ESE of Blythe, along power line road that funs east and west of new solar plant Comment
  UCR245966  Astragalus aridus Duncan S. Bell 2009-3-9 111 Riverside Arica Mountains, east side of the range, west side of Rice Valley, c. 2.7 air miles NE of Priest Well, or c. 3.3 air miles SE of ghost town of Rice 244 Comment
  UCR78449  Astragalus coccineus Scott D. White 1993-4-9 1199 Riverside San Jacinto Mtns, eastern Garner Valley area, near intersection of Hwy 371 and Hwy 74. Comment
  CAS-BOT-BC177731  Astragalus crotalariae Marcus E. Jones 1906-4-20 s.n. Riverside Borrego Spring 1066 Comment
  POM299592  Astragalus didymocarpus var. dispermus E. C. Jaeger 1945-4-15 s.n Riverside 5 miles East of Garnet. 213 Comment
  RSA679100  Astragalus douglasii var. parishii Mark Elvin, Victoria Jotikasthira, Ron Wetherford, Jason Wetherford 1996-5-10 172 Riverside San Bernardino National Forest Comment
  SEINET10490024  Astragalus douglasii var. parishii Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7140 Riverside Scattered yellow pine at margin of large valley, 5.9 mi se of jct of idlewild Road and hwy 74 on 74. Comment
  CAS-BOT-BC186902  Astragalus insularis var. harwoodii C. L. Hitchcock 1966-3-21 24331 Riverside 15 mi. s. of Rice, on dirt road to Blythe Comment
  UCSB45547  Astragalus insularis var. harwoodii Roos, John 1958-3-15 Riverside Chuckwalla Mtns., 3 miles SE of Desert Center Comment
  CAS-BOT-BC187099  Astragalus lentiginosus var. borreganus S. B. Parish; W. F. Parish 1882-4-1 25 Riverside Borders of the Colorado Desert, Whitewater Comment
  RSA415587  Astragalus lentiginosus var. coachellae W. Hutchinson 1925-4-1 s.n. Riverside Palm Springs. Comment
  SD135217  Astragalus leucolobus Craig Reiser, Dylan Hannon 1993-5-30 Riverside N side of Santa Rosa Peak Comment
  RSA27415  Astragalus nuttallianus var. imperfectus C. L. Hitchcock 1940-4-3 5935 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  CAS-BOT-BC194164  Astragalus palmeri P. A. Munz; D. Keck 1922-4-13 4935 a Riverside Eagle Mts., Colorado Desert Comment
  SD37529  Astragalus palmeri Edith A. Purer 1935-4-21 6467 Riverside Palm Springs, desert floor Comment
  UC63675  Astragalus palmeri H. M. Hall May 17 1901-Jun 1 1901 1831 Riverside Below Cottonwoods to Palm Canyon 914 Comment
  POM122364  Astragalus pomonensis Marcus E. Jones 1926-5-29 s.n Riverside South of Temecula. Comment
  RSA415654  Astragalus pomonensis N. C. Cooper 1949-3-18 3165 Riverside Elsinore. 457 Comment
  RSA752132  Astragalus pomonensis Justin M. Wood, Brandy Wood 2009-7-4 1036 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UC536841  Astragalus pomonensis M. E. Jones 1933-4-5 Riverside Hemet Comment
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Mar 24 2011
  UCD105191  Astragalus pomonensis R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  UCR154972  Astragalus pomonensis A. C. Sanders, Kelly Volansky 2005-3-17 29216 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
  UCR232050  Astragalus pomonensis John F. Green 2008-4-15 0408- 13 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  CLARK-A1528-2758  Astragalus sabulonum John C. Roos 1949-3-19 4118 Riverside Mecca Comment
  UCR187490  Athyrium filix-femina Theresa Johnson 2006-8-23 278 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  SBBG56269  Athyrium filix-femina var. cyclosorum R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns Comment
  POM254744  Atrichoseris platyphylla Philip A. Munz 1940-3-24 15696 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  RSA124444  Atrichoseris platyphylla Percy C. Everett, E. K. Balls 1958-4-29 23028 Riverside 10.5 miles W of New Cyama. 10.8 miles NE and N from Desert Center along road to Rice and Vidal jct 274 Comment
  RSA480071  Atrichoseris platyphylla Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2161 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  UCR167264  Atrichoseris platyphylla John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  SEINET7239536 Image available Atrichoseris platyphylla H. M. Hall 1905-5-12 6033 Riverside Near Virginia Dale (McGraith's camp near county line). Comment
  SEINET8734641 Image available Atrichoseris platyphylla Helen K. Sharsmith 1952-1 4051 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well 579 Comment
  CLARK-A1528-5402  Atriplex canescens John C. Roos 1951-10-19 5326 Riverside San Jacinto Valley 457 Comment
  POM307334  Atriplex canescens Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2205 Riverside Palm Springs Comment
  POM630  Atriplex canescens I. M. Johnston 1033 Riverside Near Palm Springs. 183 Comment
  RSA696731  Atriplex canescens J. Russell Bruff 1929-1-1 407 Riverside Roadside foot of Jackrabbit Grade. Comment
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Mar 20 2011
  SBBG34725  Atriplex canescens var. canescens T. L. Secrest 1950-3-12 Riverside near Indio Comment
  RSA5452  Atriplex canescens var. linearis C. B. Wolf 1932-10-13 s.n. Riverside NE side of S.P.R.R. at Durmid on N.E. side of Salton Sea -61 Comment
  SD80076  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-7-29 332 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  UCR228198  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  UCR120544  Atriplex coronata var. notatior D. E. Bramlet 2000-5-9 3020 Riverside 610 m west of the San Jacinto River and 457 m north of San Jacinto Ave., 30 m east of Dunlap 131 Comment
  CAS-BOT-BC170256  Atriplex hymenelytra H. S. Gentry 1933-2-23 s.n. Riverside Dos Palmos Comment
  RSA696718  Atriplex lentiformis J. R. Bruff 1927-10-8 1 -C Riverside Thousand Palms. Comment
  CAS-BOT-BC176532  Atriplex polycarpa K. Bonner 1977-10-30 2574 Riverside Ford Dry Lake Comment
  SDSU13515  Atriplex semibaccata W. Miller with C. Mosse 1972-7-20 Riverside Under oak tree where north road comes into river bottom nor th of beaver dam. Comment
  RSA492851  Atriplex semibaccata Bill Wagner 1988-3-7 s.n. Riverside Woodcrest area, ca. 6 miles SW of Riverside. NE corner of Hibiscus and Dauchy Streets. 479 Comment
  RSA609954  Atriplex serenana var. davidsonii D. Bramlet 1995-6-21 2442 Riverside San Jacinto Wildlife Area, Lovell Unit; 1.4 km E of Davis Road and 152 m S of the existing access road; 579 m N of the San Jacinto River channel. 43 Comment
  RSA572983  Atriplex suberecta Steve Boyd 1986-4-19 1721 Riverside Temescal Canyon: Warm Springs Valley, Alberhill Creek drainage, E of Nichols Road. Comment
  UCR163984  Atriplex triangularis John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  GMDRC6561  Avena barbata J. M. Andre 2012-6-15 30515 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  UCD56268  Avena fatua Peter Kamb 1948-2-1 759 Riverside San Bernardino/Riverside Co.: Valley in the Jurupa Mts. West of Colton. Upper Sonoran Zone. 304 Comment
  RSA600393  Avena sativa V. W. Steinmann 1996-4-13 829 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  RSA295276  Ayenia compacta N. R. Zabriskie, Walter Zabriske 1973-4-24 639 Riverside Andreas Canyon, E slope San Jacinto Mts. (Site A-9) 366 Comment
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Oct 1 2011
  POM295622  Baccharis brachyphylla Lyman Benson 1955-1-8 15402 Riverside Edge of San Jacinto Mountains, 5 miles NE of Palm Springs 61 Comment
  SEINET959644  Baccharis douglasii G. K. Helmkamp, E. A. Helmkamp 2004-1 8769 Riverside Southern Central Coast: Surf, NW of Lompoc (Surf 7.5) 9 Comment
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May 17 2014
  IRVC528  Baccharis glutinosa C. Duncan 1965-3-7 s.n. Riverside Ortega Highway [near the crest], El Carriso Guard Station Santa Ana Mountains Comment
  UCR180129  Baccharis pilularis subsp. consanguinea A. C. Sanders, Steve Boyd, Mark A. Elvin, Dean Kelch 2006-12-8 33256 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
  RSA296180  Baccharis salicifolia B. A. Prigge 1980-8-5 3818 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA701559  Baccharis salicifolia Steve Boyd, Aydee Virgen 2004-4-13 10851 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SDSU18378  Baccharis salicifolia subsp. salicifolia C. Matt Guilliams 2008-2-21 464 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 418 Comment
  UC496518  Baccharis sergiloides P. A. Munz 1932-10-16 12843 Riverside along road to Deep Canyon to Vandeventer Flat Santa Rosa Mts. 1066 Comment
  UC667321  Baccharis sergiloides Annie M. Alexander and Louise Kellogg 1941-5-23 2229 Riverside Cottonwood Spring Eagle Mts. 883 Comment
  UCR92158  Baccharis sergiloides D. L. Banks, Steve Boyd 1995-10-17 0804 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  RSA328945  Bacopa monnieri Brad Ballen 1982-12-27 588487 Riverside growing at the edge of a lake at desert Island Country Club, 71-777 Frank Sinatra Drive Comment
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Dec 28 2011
  PASA2173  Baeria aristata Frank W. Peirson 1922-5-19 Riverside 5 miles northeast of Murietta 457 Comment
  RSA346254  Bahiopsis parishii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54062 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  SD229075  Bahiopsis parishii Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 885 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  UCR260317  Bahiopsis parishii A. C. Sanders, Jim Malusa 2015-3-9 41367 Riverside Sonoran (Colorado) Desert, 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
  CAS-BOT-BC99957  Baileya pauciradiata L. A. Greata 1905-4-1 425 Riverside Coachella Comment
  CAS-BOT-BC99958  Baileya pauciradiata Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  JOTR01237  Baileya pleniradiata Cole, James E. 1941-6-17 921 Riverside Joshua Tree National Park. LIVE OAK TANK 1219 Comment
  GMDRC6586  Barbarea orthoceras J. M. Andre 2012-6-15 30549 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  UCR17864  Barbarea orthoceras A. C. Sanders 1974-5-5 00220 Riverside San Jacinto Mtns, small creek below Poppet Flats Comment
  UCR274531  Bassia hyssopifolia Mitch Provance, Ken Halama 2003-6-15 17069 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA0042825  Bebbia juncea Duncan S. Bell, LeRoy Gross 2014-3-13 6242 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA450419  Bebbia juncea J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  UC1929904  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR75072  Bebbia juncea A. C. Sanders, E. Lawlor 1992-4-4 12137 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JEPS19299  Bebbia juncea var. aspera W. L. Jepson May 17 1901-Jun 1 1901 1266 Riverside San Jacinto River to Strawberry Valley Comment
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Jul 8 2014
  SEINET3862255  Beloperone californica Lewis S. Rose 1955-3-14 55021 Riverside Palm Springs.; 0 137 Comment
  RSA621893  Berula erecta Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3555 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR113587  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
  CLARK-A1528-1653  Bidens pilosa John C. Roos 1951-9-25 5264 Riverside Riverside 259 Comment
  SDSU11582  Bloomeria crocea Ronald H. Bigelow 1962-5-23 Riverside Schloss Foundation, Just southeast from branch in road from HWY 395 to Santa Margarita River. Comment
  SD137978  Bloomeria crocea var. crocea Darin L. Banks, Steve Boyd 1995-5-9 382 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground.mIn mesic chaparral. 701 Comment
  RSA0107274  Boechera johnstonii John F. Emmel 2001-4-28 1699 Riverside San Jacinto Mts.; Garner Valley; NE-facing slope 0.2 air mile S of trailhead parking area for Ramona Trail. 1377 Comment
  UC472853  Boechera perennans Mary Fiske Spencer 1924-6-17 Riverside Idyllwild San Jacinto Mts. 1828 Comment
  JOTR33744  Boechera pulchra La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2742 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR20339  Boerhavia intermedia John C. Roos, L. Roos 1952-10-18 5901 Riverside Little San Bernardino Mtns, Hidden Valley campground 1220 Comment
  JOTR29129  Boerhavia wrightii La Doux, Tasha 2005-9-8 1299 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  JOTR30290  Boerhavia wrightii La Doux, Tasha, Bill Truesdell 2006-10-3 1785 Riverside Joshua Tree National Park. Pinto Basin: (Stop 2) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 694 Comment
  POM246652  Boerhavia wrightii E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  RSA0027474  Boerhavia wrightii Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 52 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  UCR112762  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2000-4-21 23350 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR211503  Boerhavia wrightii Jim Andre, T. La Doux 2008-9-13 10275 Riverside Sonoran (Colorado) Desert, Eagle Mountains at Joshua Tree National Park boundary, along aqueduct access road 355 Comment
  RSA192348  Boisduvalia densiflora H. A. Zuill 1966-7-26 298 Riverside About 7.5 miles SW of Murrieta. Comment
  UCR281567  Bolboschoenus maritimus subsp. paludosus Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-30 517- 122 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  UCR3383  Bolboschoenus maritimus subsp. paludosus John Minnich 1964-3-21 64321- 7 Riverside Western Colorado Desert, Coachella Valley, 1 mi west of the junction of Hwy 60-70 with Dillon Road, c. 1 mi east of Indio 15 Comment
  UCR89882  Bolboschoenus maritimus subsp. paludosus J. M. Stewart 1991-5-15 789 Riverside Sonoran (Colorado) Desert, Coachella Valley, Dos Palmas Oasis [Rancho Dos Palmas, Nature Conservancy preserve headquarters], North Shore -37 Comment
  RSA28079  Bouteloua aristidoides I. L. Wiggins 1941-3-27 9677 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA781996  Bouteloua barbata Duncan S. Bell 2011-12-30 3034 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  RSA792931  Bouteloua barbata Aaron C. Sedgwick, Cody Leslie 2012-9-20 120 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  UCD56850  Bouteloua barbata Louis B. Ziegler 1967-10-10 s.n. Riverside San Jacinto Mts. Hemet Valley. 1402 Comment
  JOTR32610  Bouteloua barbata var. barbata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2673 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  LA105191  Boykinia rotundifolia Frank C. Vasek; 1987-7-14 870714 -1 Riverside San Jacinto Mountains, San Jacinto Mountains, Vista Grande Road (3S08) 1.0 mi E of Banning-Idyllwild Road (SH243) 1523 Comment
  SBBG122883  Brandegea bigelovii S. D. White 2005-4-14 10893 Riverside bajada beneath Mecca Hills, just E of Coachella Canal 24 Comment
  SBBG87910  Brandegea bigelovii A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6103 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckwalla Mtns 487 Comment
  UC750617  Brandegea bigelovii Lewis S. Rose 1946-12-27 46311 Riverside Dead Indian Creek Wash, Palms to Pines Highway Dead Indian Creek Wash 274 Comment
  UCR102706  Brandegea bigelovii B. G. Pitzer 1998-1-24 3390 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR198165  Brandegea bigelovii Michael Honer, L. Hulse 2004-4-3 1907 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCSB18364  Brandegea bigelovii Daniel, Dick 1964-5-17 Riverside 4 miles S of junction of State Highway 111 and State Highway 74 457 Comment
  UCSB6291  Brandegea bigelovii Haller, John 1958-3-22 Riverside Immediately S of Hwy. 60-70, 5.8 miles E of Desert Center Comment
  UCR117382  Brassica kaber A. C. Sanders, T. B. Salvato 2001-5-25 24388 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  JOTR34320  Brassica tournefortii Andre, Jim 2012-4-11 20820 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA709905  Brassica tournefortii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4610 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA777333  Brassica tournefortii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 830 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road. 534 Comment
  SDSU2623  Brassica tournefortii D. F. Howe 1949-3-21 Riverside 12 mi. west of Blythe. 122 Comment
  UCR214413  Brassica tournefortii A. C. Sanders, Richard Dwerlkotte 2010-3-22 37512 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. ESE (98 deg. ) of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 129 Comment
  RSA0125868  Brassicaceae Duncan S. Bell, Joy D. England 2010-5-17 1004 B Riverside San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  JEPS18712  Brickellia atractyloides var. arguta W. L. Jepson 1914-5-18 6012 Riverside Pinon Well, Cottonwood Mts. Comment
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Jul 6 2010
  RSA192010  Brickellia californica E. W. Lathrop 1966-5-15 6311 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA69828  Brickellia californica J. C. Roos 1951-10-19 5324 Riverside Badlands at Old Jackrabbit trail 610 Comment
  UCR91653  Brickellia californica D. L. Banks, Steve Boyd 1995-10-26 0832 Riverside NW Palomar Mtns, Agua Tibia Mtns, along the Woodchuck Trail, c. 0.7 mi. from the Wilderness Boundary 713 Comment
  UC894157  Brickellia desertorum Carl B. Wolf 1932-10-12 Riverside Pinyon Well, Little San Bernardino Mts., Colorado Desert Colorado Desert, Little San Bernardino Mts., Pinyon Well 1219 Comment
  UCR25197  Brickellia desertorum John C. Roos 1950-12-2 5029 Riverside Sonoran (Colorado) Desert, Eagle Mountains, Munsen ['Monson'] Canyon 1067 Comment
  UC894193  Brickellia incana J. Francis Macbride and Francis Drouet 1941-10-14 4466 Riverside desert w of Shavers Summit 304 Comment
  RSA376783  Brodiaea santarosae Robert Gustafson, Gary D. Wallace 1983-6-23 2716 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mtns., 701 Comment
  RSA570554  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8013 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. 1000 Comment
  UCR207330  Bromus catharticus O. F. Clarke 2000-4-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  JOTR34184  Bromus diandrus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3234 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCR232031  Bromus diandrus John F. Green 2008-4-15 0408- 17 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  SEINET954734  Bromus hordeaceus A. C. Sanders, Tricia Wotipka, Mark A. Elvin 2003-1 26119 Riverside Western San Gariel Mtns.: Cataic 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
  UCR121333  Bromus hordeaceus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24986 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  UCR70128  Bromus inermis A. C. Sanders 1980-7-22 1726 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
  SEINET3923284  Bromus rubens D. Atwood, L. Stritch 1993-4-2 17890 Riverside Santo Rosa Plateau TNC Preserve & adjacent to BLM administrated lands.; 0 671 Comment
  SEINET14451730  Bromus rubens F. S. Crosswhite 1961-1-21 1707 Riverside Weed along Chicago Ave.; Riverside. 0 183 Comment
  RSA772333  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4514 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0020665  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3637 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  GMDRC3745  Caesalpinia virgata J. Andre, T. La Doux 2009-3-1 11238 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  RSA405298  Caesalpinia virgata N. R. Zabriskie 1973-2-7 561 Riverside West facing side, dry stream bed SE of Pack Rat Hill, Deep Canyon Drainage, N slope Santa Rosa Mtns 305 Comment
  SEINET938598  Caesalpinia virgata T. S. Elias 1985-1 10151 Riverside Mecca Mountains just NE of Mecca; Painted Canyon Comment
  UC192964  Caesalpinia virgata S. B. and W. F. Parish Mar 1884 591 Riverside Colorado Desert Comment
  UC667278  Caesalpinia virgata Annie M. Alexander and Louise Kellogg 1941-5-17 2192 Riverside near Dos Palmas; Colorado Desert Comment
  UC864227  Caesalpinia virgata I. W. Clokey 1935-4-17 6717 Riverside Shaver Wells Comment
  UCR168265  Caesalpinia virgata Scott D. White 2001-4-3 8260 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  SD248483  Calandrinia ciliata Mitch Provance 2012-4-24 412 08 Riverside San Gorgonio Pass: Smith Creek SW of Banning, near corner of Sunset Ave and Bobcat Road (Beaumont 7.5'Q) 735 Comment
  UCR101792  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 1997-3-5 1337 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR43790  Callitriche heterophylla subsp. bolanderi R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60638 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  CLARK-A1045-62  Callitriche marginata George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  SD229033  Calocedrus decurrens Dick Schwenkmeyer 2012-6-27 734 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  RSA377348  Calochortus concolor N. C. Cooper 1949-6-29 4330 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA741192  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-16 12129 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  UCR262257  Calochortus concolor T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3728 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR281203  Calochortus palmeri var. munzii James Hughes 2017-6-21 s.n. Riverside San Jacinto Mountains, Fleming Ranch 1573 Comment
  CSUSB400  Calochortus splendens Bruce Freeman 1968-5-11 680511 5 Riverside Santa Ana Mountains Santa Ana Mountains. 7.7 miles from Washington Ave., in Murrieta, on road from Murrieta to De Luz. 182 Comment
  IRVC2495  Calochortus splendens D. C. 1965-4-27 s.n. Riverside Palm Springs Sonoran Desert Comment
  UCR216952  Calochortus weedii var. intermedius Kim Sparks, Rose Cook 2010-6-10 15 Riverside Perris-Aguanga Basin, French Valley, Warm Springs, about halfway between Big Dipper Way and the creek. 402 Comment
  CAS-BOT-BC497282  Calochortus weedii var. weedii John Thomas Howell 1931-5-30 6586 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  POM351398  Calycadenia tenella Robert Gustafson, Gary D. Wallace 1983-6-23 2721 Riverside Along Clinton Keith Road, ca. 2.5 miiles from its junction with Hwy 15, Santa Ana Mts. Comment
  UCR77713  Calycoseris parryi Steve Boyd, D. Bramlet 1991-5-13 6243 Riverside Domenigoni Hills, north side Domenigoni/Diamond Valley, ESE of Winchester. Vicinity of ultramafic outcrop on ridgetop south of S-end of Warren Rd. 610 Comment
  JOTR34304  Calyptridium monandrum Andre, Jim 2012-4-11 20717 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA0117828  Calyptridium monandrum Sarah J. J. De Groot, Grace Cho 2016-4-4 7770 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road between Haystack and Asbestos Mountains. 1233 Comment
  UC63436  Calyptridium monandrum H. M. Hall 1904-5-16 4944 Riverside vicinity of Riverside (Fairmount Park); Fairmount Park 243 Comment
  UCR154642  Calyptridium monandrum A. C. Sanders, T. B. Salvato 2005-4-28 29768 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR202234  Calyptridium monandrum Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR167819  Calystegia macrostegia John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR280916  Calystegia macrostegia Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 28 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  SDSU12264  Calystegia macrostegia subsp. intermedia Jeremy Mass, Ryan Jacobsen 2000-4-19 10 Riverside Stone Creek streambed in shrub-covered area near water. Near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  RSA192219  Calystegia macrostegia subsp. tenuifolia E. W. Lathrop 1965-4-4 5625 Riverside 8 miles W of Murrieta - Tenaja Range Comment
  UC1123622  Calystegia macrostegia subsp. tenuifolia R. St. John 1931-1-29 179 Riverside Elsinore , Plot 52 (Plot 52) Comment
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Nov 25 2010
  UCR259206  Camissonia Mitch Provance 2012-4-23 412- 13 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  RSA315552  Camissonia bistorta Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55481 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCR112748  Camissonia boothii A. C. Sanders, T. B. Salvato 2000-4-21 23348 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  RSA0021217  Camissonia brevipes subsp. brevipes T. Mosquin 1958-2-22 3208 Riverside Colorado Desert. Corn Spring, Chuckwalla Mountains. Comment
  RSA9313  Camissonia brevipes subsp. brevipes P. A. Munz, R. D. Harwood 1920-4-2 3580 Riverside Colorado Desert, near Blythe. 152 Comment
  RSA162841  Camissonia californica J. D. Olmsted 1958-6-15 189 Riverside San Jacinto Mountains. Intersection of Strawberry Creek with Idyllwild-Hemet road [Hwy 74] 8 miles below and West of Mt. Center. Along roadside. 915 Comment
  RSA339337  Camissonia californica Robert F. Thorne, W. A. Tilforth 1980-5-28 54197 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCR120810  Camissonia californica Ian G. Gillespie 2000-4-16 5 Riverside Box Springs Mtns., Two Trees Canyon. 70 m up the trail from Two Trees trailhead 457 Comment
  POM248150  Camissonia cardiophylla Unspecified 1939-1 s.n. Riverside near Mecca Comment
  CLARK-A1656-687  Camissonia claviformis subsp. aurantiaca Lois Ann Scott 1978-2-2 Riverside San Jacinto Mountains 152 Comment
  POM14454  Camissonia claviformis subsp. aurantiaca Alice Eastwood 1913-4-30 2983 Riverside Palm Springs. Comment
  RSA80965  Camissonia claviformis subsp. aurantiaca G. R. Campbell 1952-4-6 18414 Riverside 2 mi. s. of jct. of Cottonwood Springs road, road through Joshua Tree National Monument, south from 29 Palms. 884 Comment
  SEINET7040182  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 0.4miles east of Murrietta [on Murrietta Hot Springs road]. Murrieta Quad. UTM Zone 11, 482619mE, 3712809mN. Comment
  UCR58487  Camissonia hirtella Jeri Hirshberg 1989-4-19 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, west of Mesa de Burro 610 Comment
  POM3272  Camissonia ignota I. M. Johnston 1918-4-27 1875 Riverside Near Corona. 274 Comment
  UCR220121  Camissonia ignota D. E. Bramlet 1989-4-7 1818 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  RSA652352  Camissonia pallida subsp. pallida Marion P. Harthill 1973-2-17 1570 Riverside Snow Creek, Palm Springs 366 Comment
  RSA567647  Camissonia refracta A. C. Sanders, E. J. Lawlor 1992-4-4 12099 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR249836  Camissonia strigulosa T. B. Salvato, John Lovio 2013-3-19 7356 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCSB4439  Camissonia strigulosa Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  SBBG101677  Camissoniopsis bistorta S. Boyd with T. Ross, M. Hammitt 1991-5-2 6047 Riverside Vail Lake region, Billy Goat Mtn, ca. 3 mi N of Hwy 79, ca. 1 mi W of Hwy 371, N of Aguanga; T8S, R1E, W1/2 S15 600 Comment
  UC1537618  Camissoniopsis bistorta Gordon H. True Jr. 1935-2-20 1 Riverside Box Springs Sycamore Canyon (mouth of canyon) 365 Comment
  UC874013  Camissoniopsis bistorta I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4730 Riverside Gavilan Peak 600 Comment
  UCR260856  Camissoniopsis hirtella A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41425 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
  RSA0014943  Camissoniopsis intermedia LeRoy Gross, Evan Meyer 2013-5-21 6116 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UCR239911  Cardamine O. F. Clarke 2006-1-26 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  SD245173  Carex barbarae R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  CAS-BOT-BC34440  Carex deflexa var. boottii Peter H. Raven 1959-5-17 14228 Riverside San Jacinto Mountains. Lake Fulmore. Comment
  CAS-BOT-BC117862  Carex sartwelliana Carl B. Wolf 1932-8-5 3943 Riverside San Jacinto Mountains. Along trail from Tahquitz valley to San Jacinto Peak. 2621 Comment
  UC835304  Carex sartwelliana I. W. Clokey, E. G. Anderson 1935-8-21 6563 Riverside Fuller's Creek 1500 Comment
  POM219104  Carex subfusca Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mts. 2439 Comment
  RSA364711  Carex subfusca M. B. Dunkle 1933-7-23 3759 Riverside San Jacinto Peak, San Jacinto Mountains. 3049 Comment
  SD136988  Carex triquetra Steve Boyd, Tim Ross 1992-6-10 7640 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon about Potrero Escondido, west of junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main truck of San Mateo Creek. 671 Comment
  RSA400521  Castilleja angustifolia Frances L. Cramer 1941-5-3 20325 Riverside Joshua Tree National Monument Comment
  HSC46606  Castilleja applegatei subsp. martinii Christopher Davidson 1977-5-18 5628 Riverside Cleveland National Forest, Bear Springs 1220 Comment
  UCR178851  Castilleja exserta Mitch Provance, Tracy Tennant 1998-6-16 MOR- 396 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  UCR84601  Castilleja exserta Scott D. White, S. Ogg 1994-4-21 1950 Riverside San Bernardino Mountains, Millard Canyon, near pipeline infiltration site 4 mi south of Bear Wallow Spring 976 Comment
  SBBG54975  Castilleja foliolosa D. Keil, M. McLeod 1977-3-26 12006 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  UCR245981  Castilleja foliolosa Duncan S. Bell, Jennifer Pilapil, Terry Higgins 2011-6-2 2629 Riverside Transverse Range; San Bernardino Mtns., side canyon off of the West Fork of Mission Creek c. 0.5 air mile south of where the Pacific Crest Trail crosses the West Fork of Mission Creek 944 Comment
  UCR71902  Castilleja minor subsp. spiralis Steve Morgan, H. M. Soldan 1992-5-25 92- 2 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  CAS-BOT-BC38294  Caulanthus cooperi Lewis S. Rose 1937-4-9 37121 Riverside Palms to Pines Highway, 18 miles west of Indio. 1036 Comment
  UC68540  Caulanthus cooperi H. M. Hall 1905-5-11 6023 Riverside Cottonwood Mts. Colorado Desert, Cottonwood Mts. 609 Comment
  RSA0120135  Caulanthus hallii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9082 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA552763  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6749 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  RSA614638  Caulanthus heterophyllus D. L. Banks 1997-3-29 1558 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR12555  Caulanthus heterophyllus Wayne Miller 1972-4-14 720414 5 Riverside Reche Canyon, 5 mi from BartonRd. turnoff on Reche Canyon Road. 610 Comment
  RSA564042  Caulanthus lasiophyllus var. rigidus D. Bramlet 1993-4-13 2323 a Riverside Approxiamtely 61m S of the existing Lake Mathews access road, some 549m N of Cajalco road, in the Cajalco bend area. The site is 1.2km W of Lake Mathews Drive. Comment
  UCR77706  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6122 Riverside Peninsular Range, Vail Lake area, summit of Oak Mtn, north of lake near Henderson benchmark 823 Comment
  RSA570227  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7896 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UC774536  Ceanothus crassifolius Carl B. Wolf 1941-6-27 10898 Riverside 3.3 mi e Orange Co. line (Ortega Hwy); Santa Ana Mts. 579 Comment
  SBBG50799  Ceanothus cuneatus var. cuneatus R. S. Woglum 1942-4-15 Riverside Aguanga Comment
  POM306779  Ceanothus greggii var. perplexans Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1701 Riverside Santa Rosa Mountains Comment
  SD229243  Ceanothus greggii var. perplexans Dick Schwenkmeyer 2012-8-6 767 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  LA43613  Ceanothus integerrimus W. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  CAS-BOT-BC51287  Ceanothus leucodermis H. E. McMinn 1925-7-2 1498 Riverside Tahquitz trail - San Jacinto Range Comment
  CAS-BOT-BC51288  Ceanothus leucodermis H. E. McMinn 1925-7-2 1523 Riverside Idyllwild grade - San Jacinto Mt. Comment
  LA44861  Ceanothus leucodermis W. Pequegnat; 1938-4-16 sn Riverside Santa Ana Mountains, Indian Truck Trail Comment
  OBI5802  Ceanothus leucodermis Carl B. Wolf 1941-8-12 11143 Riverside San Jacinto Mts 1-6/10 mi S of Idylwild on road to Tauquitz Lodge Comment
  UCR268306  Ceanothus leucodermis Jim Andre 2012-6-15 30511 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UC718442  Ceanothus oliganthus var. oliganthus P. C. Everett 1935-6-18 7202 Riverside 1.7 mi n Los Pinos Potrero (Main Divide Motorway.); Santa Ana Mts. Comment
  RSA606754  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27409 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  SEINET13946039 Image available Ceanothus perplexans Carl B. Wolf 1932-1 3655 Riverside No. Base of San Jacinto Mts. Snow Creek Canyon. 1 mi above Fish Hatchery. 792 Comment
  UC1073273  Ceanothus spinosus George B. Rossbach 1955-4-28 345 Riverside Route 78 se Banning (San Jacinto Mountains, just s of n boundary of San Bernardino National Forest); s of n boundary San Bernardino Nat For, San Jacinto Mts. Comment
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Jun 9 2012
  CDA31194  Ceanothus tomentosus Mike Lahti 2010-3-3 PDR# 1358656 Riverside Approximately, 8 miles south of Hemet at Sage Road and Red Mountain Road. 0 Comment
  UCR97292  Ceanothus tomentosus subsp. olivaceus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3931 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  CDA7298  Centaurea X pouzinii T. C. Fuller 1962-6-6 8846 Riverside South entrance to Fuller Rancho, ca. 5 miles north of Corona. 0 Comment
  RSA430195  Centaurea melitensis E. Misquez 1987-5-16 9 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  UCR93835  Centaurea melitensis G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  RSA391485  Centaurium exaltatum I. W. Clokey, E. G. Anderson 1935-8-21 6790 Riverside Hemet Lake 1300 Comment
  SD134524  Centromadia pungens subsp. laevis Craig Reiser 1991-7-10 Riverside Moreno Valley, Sycamore Canyon Park W of Eucalyptus Street Comment
  UC1584124  Centromadia pungens subsp. laevis D. Bramlet 1990-7-26 2062 Riverside just e Diaz Rd. (and within the Murrietta Creek Channel, at the Rancho California St. bridge in Temecula); Murietta Creek 330 Comment
  UC162746  Centromadia pungens subsp. laevis W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside San Jacinto Valley 426 Comment
  UCR59765  Cerastium glomeratum Steve Boyd 1989-3-31 3076 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  RSA27030  Cercidium floridum C. L. Hitchcock 1940-3-29 5844 Riverside 12 miles east of Indio. Comment
  VVC203  Cercidium floridum Scott D. White 1995-5-11 3029 Riverside Southeast Mojave Desert, Cadiz Valley, S of Iron Mtns.; Hwy 62 +-3 road mi E of jct w/ SH 177 400 Comment
  UC195339  Cercidium floridum subsp. floridum S. B. Parish 1916-5-13 10833 Riverside Shafer's Well Colorado Desert Comment
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Mar 10 2011
  POM49868  Cercocarpus betuloides Philip A. Munz, I. M. Johnston 1924-7-29 8862 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  RSA160536  Cercocarpus betuloides J. D. Olmsted 1959-4-12 372 Riverside From Hwy thru W Corona turn S for 1 miles on Lincoln, turn W for 1/2 miles on Chase, then S at wash on Oak Flat fire road for 2-3 miles, Santa Ana Mtns. N to Santa Ana River. 701 Comment
  UCR18833  Cercocarpus betuloides John C. Roos 1948-5-15 3854 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  JOTR30769  Cercocarpus betuloides var. betuloides La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1884 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  CSUSB1368  Cercocarpus minutiflorus Oscar F. Clarke, Andrew C. Sanders, D. Vossler 1975-7-23 Riverside Santa Ana Mountains Santa Ana Mountains, west of Murrieta on the side of a canyon along Tenaja Road, at elevation 1800 feet (just below Mesa De Burro). 548 Comment
  POM12998  Chaenactis artemisiifolia Philip A. Munz, I. M. Johnston 1922-5-19 5405 Riverside San Jacinto Canyon, near canyon bed at mouth of Strawberry Creek 762 Comment
  RSA586793  Chaenactis artemisiifolia Darin L. Banks, Steve Boyd 1995-5-3 0231 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCD130219  Chaenactis artemisiifolia B. Pitzer; A. C. Sanders 1987-4-21 499 Riverside Box Springs Mtns, near southernmost radio towers. 792 Comment
  POM351670  Chaenactis carphoclinia var. carphoclinia L. H. Jones 1910-3-15 s.n. Riverside Rocky mountainside, Riverside Mtn, Colorado Rivers,. Comment
  UC90145  Chaenactis carphoclinia var. carphoclinia C. R. Orcutt 1889-4-1 Riverside Colorado Desert Comment
  OBI8303  Chaenactis fremontii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12067 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd, 5.5 mi N of Cottonwood campgrounds Comment
  RSA21381  Chaenactis fremontii C. B. Wolf 1937-5-4 8526 Riverside Colorado Desert, Little San Bernardino Mts, Morongo Wash, 1 miles below San Bernardino County line. 610 Comment
  RSA775626  Chaenactis fremontii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1006 Riverside Road circling Sheep Hole Valley Wilderness, NS569 at junction with Hwy 62 on east side of NS569 along washlets 396 Comment
  UC1119693  Chaenactis fremontii H. S. Yates 1937-3-23 6417 Riverside near White Water; San Jacinto 304 Comment
  UCR205283  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, L. Lubinsky 2003-4-17 10462 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert, East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station 366 Comment
  CAS-BOT-BC172823  Chaenactis glabriuscula A. C. Sanders 2004-6-25 28281 Riverside Peninsular Range: Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; near the pond (reservoir) in middle DFG parcel 335 Comment
  SD130354  Chaenactis glabriuscula Ed LaRue 1990-4-13 Riverside I(c) miles northwest of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  UCR140295  Chaenactis glabriuscula A. C. Sanders 2004-4-9 27470 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  RSA34519  Chaenactis glabriuscula var. glabriuscula N. C. Cooper 1944-4-21 1109 Riverside Banning 701 Comment
  RSA771809  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers, near concrete wildlife drinker. 1040 Comment
  RSA0021551  Chaenactis stevioides Duncan S. Bell 2012-3-4 3135 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  UCR244911  Chaenactis stevioides Jim Andre 2012-3-19 21353 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  POM351834  Chaenactis stevioides var. stevioides M. B. Dunkle 1937-3-25 4938 Riverside Colorado Desert. Comment
  POM14016  Chamaesyce albomarginata P. A. Munz, D. D. Keck 1922-4-13 4926 Riverside Hayfields,' Chuckwalla Valley 152 Comment
  RSA561891  Chamaesyce albomarginata Steve Boyd, T. S. Ross 1992-6-10 7638 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04), at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA597072  Chamaesyce albomarginata D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1124 Riverside NW Palomar Mountains; Agua Tibia Mountains; Arkose foothills N of Wild Horse Peak, S of Hwy. 79; At a small turn off on the S side of Hwy. 79, approximately 50 m E of Crosley Road, W of Temecula Creek. 470 Comment
  RSA781420  Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA776946  Chamaesyce micromera Amber Swanson 2011-3-19 239 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  RSA736554  Chamaesyce polycarpa Scott D. White, Angelia Carey 2004-7-2 10579 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SBBG32248  Chamaesyce polycarpa L. S. Rose 1966-12-11 Riverside La Quinta 91 Comment
  POM126252  Chamaesyce polycarpa var. hirtella Thos. Craig 1927-4-2 19 Riverside Canyon near Hidden Springs. Comment
  RSA27501  Chamaesyce polycarpa var. polycarpa I. L. Wiggins 1941-3-26 s.n Riverside Along wash at Wiley well. Comment
Read comments
May 3 2014
  RSA655403  Chamaesyce polycarpa var. polycarpa A. C. Sanders 1997-11-25 21623 Riverside Skinner/Domenigoni region, S of Hemet: Eastside Reservoir site, at N foot of eastern dam, E end of ''North Hills'', ca. 0.9 mi. NNE of site of Searl Ranch 530 Comment
  RSA0105839  Chamaesyce serpillifolia Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR138819  Chamomilla suaveolens D. L. Banks 1997-2-23 1291 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  IRVC3128  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-30 SJ 89 Riverside Santa Rosa Road. Peninsular Ranges, Santa Rosa Mountains 1585 Comment
  POM11675  Cheilanthes covillei P. A. Munz, I. M. Johnston 1922-5-19 5435 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA388058  Cheilanthes newberryi Steve Boyd 1985-12-25 1198 Riverside Gavilan Hills; granitic ridge on W side of Steele Valley in SCE Transmission Line Corridor. Comment
  RSA605762  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mts, N of Winchester, at ''Maze Stone'' Picnic Area 610 Comment
  RSA666520  Chenopodium album var. striatum Mitch Provance 2000-11-2 2295 Riverside North Riverside: Reid Park, ca. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  POM318801  Chenopodium ambrosioides Patricia Wilder 1970-10-15 4782 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  UC1394437  Chenopodium berlandieri H. A. Wahl 1966-9-17 21804 Riverside 5 mi s Idyllwild; San Jacinto Mountains 914 Comment
  UCR114197  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23644 Riverside Perris-Aguanga Basin Region, Tucalota Creek SE of French Valley Airport, on gasline route 381 Comment
  UCR81686  Chenopodium berlandieri J. M. Stewart 1994-5-2 847 Riverside Western Colorado Desert, Coachella Valley, Thermal, Highway 86 and Airport Blvd. Comment
  CLARK-A1528-4990  Chenopodium californicum John C. Roos 1951-9-25 5301 Riverside Riverside 259 Comment
  SEINET7073300 Image available Chenopodium californicum A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC1929614  Chenopodium californicum Scott D. White 2003-3-21 8798 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  SD254595  Chenopodium missouriense Mitch Provance 2012-11-9 61251 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mile SE of the intersection of Gernert Road and Watkins Drive (Riverside East 7.5'Q) 422 Comment
  POM153365  Chenopodium rubrum P. A. Munz, I. M. Johnston 1928-9-12 11241 Riverside North end of Lake Elsinore. Comment
  RSA455308  Chilopsis linearis George R. Johnstone 1929-11-28 s.n. Riverside 20 miles from Palm Springs 244 Comment
  SEINET2065474 Image available Chilopsis linearis M. Roskey, F. Boyen 1933-6-5 521 Riverside Big Morongo Nature Conservancy Preserve, south of Morongo Valley. 502 Comment
  SEINET12271194  Chilopsis linearis L. S. Rosa 1936-1 36793 Riverside Palm Canyon Desert Comment
  LA99447  Chilopsis linearis subsp. arcuata Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  RSA264428  Chilopsis linearis subsp. arcuata C. W. Tilforth, Jeff Barnes 1976-7-20 1215 Riverside Wash N of Power Line Road NE of Chiriaco Summit between Indio and Desert Center Comment
  UCD121654  Chilopsis linearis subsp. arcuata Geoffrey Levin 1976-10-17 1165 Riverside Box Canyon, about 11 mi east of Mecca. Mt Range: Mecca Hills. Drainage Area: Salton Sea Basin. 91 Comment
  CAS-BOT-BC518751  Chloris truncata R. E. Riefner, Jr. 2016-3-22 16 -69 Riverside City of Perris, Trumble Rd. at Ethanac Rd., E of I-215 444 Comment
  UCR130515  Chloris virgata R. E. Riefner Jr. 2003-10-21 03- 459 Riverside Perris-Aguanga Region, Menifee Valley, along Newport Road 1 mile east of Goetz Road intersection 427 Comment
  UCR2285  Chloris virgata F. M. Reed 1936-8-26 9802 Riverside Riverside, on the Bell lot, Massachusetts Avenue 290 Comment
  JOTR31101  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2359 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  UCSB38674  Chorizanthe brevicornu var. brevicornu Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR136188  Chorizanthe coriacea Virginia Moran 2003-5-23 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 700 Comment
  UCR137560  Chorizanthe coriacea A. C. Sanders 2004-5-5 27758 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
  UCR167072  Chorizanthe coriacea Scott D. White 2005-3-29 10851 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  RSA392661  Chorizanthe corrugata Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
Read comments
Dec 3 2007
  UCR29817  Chorizanthe corrugata George K. Helmkamp 1983-3-24 383- 8 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  UC1929851  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-6-17 9544 Riverside S PERRIS BASIN: Murrieta. Interstate 215 / Clinton Keith interchange. Comment
  UCR167780  Chorizanthe parryi var. parryi Chris E. True 2005-4-18 s.n. Riverside Perris-Aguanga Basin, SSW of Riverside, ESE of Corona, NE side of Lake Mathews 471 Comment
  UCR43432  Chorizanthe parryi var. parryi R. F. Thorne, C. W. Tilforth 1980-5-28 54226 Riverside San Bernardino Mtns., rocky and sandy wash along Whitewater River, 3.2 mi. north of White Water post office and Highway 10 549 Comment
  RSA740949  Chorizanthe polygonoides var. longispina Scott D. White, Justin M. Wood 2008-6-17 12195 Riverside San Jacinto Mountains: Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UCR260519  Chorizanthe polygonoides var. longispina T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7991 Riverside Perris-Aguanga Basin, Menifee, south side of Bundy Canyon Road between Sunset Ave and Lynx Rd. 0.9 mi west of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.2 mi southeast of Canyon Lake 543 Comment
  RSA180403  Chorizanthe procumbens E. W. Lathrop 1959-5-29 4590 Riverside 14 miles W of Murieta. Tenaja canyon grassland back of Tenaja Guard Station Comment
  CAS-BOT-BC246236  Chorizanthe rigida Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13261 Riverside U.S. gypsum mine property in Little Maria Mts., 2.3 mi. above Midland P.O. Comment
  RSA392741  Chorizanthe rigida N. C. Cooper 1949-4-8 3248 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  UC57063  Chorizanthe rigida E. E. Schellenger 1911-4-24 Riverside s Palm Springs; Colorado Desert, s of Palm Springs Comment
  POM10485  Chorizanthe staticoides Charlotte M. Wilder 1903-6-4 203 Riverside Wilder's Canyon. Jurupa Hills. Comment
  RSA392686  Chorizanthe staticoides N. C. Cooper 1944-6-4 1323 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA557731  Chorizanthe staticoides Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7170 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  LA206562  Chorizanthe xanti Carl Epling; William Robison 1933-6-24 Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  SEINET3087441 Image available Chorizanthe xanti B. Pitzer 1986-4-26 190 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (Whitewater 7.5' quad). 732 Comment
  RSA0004915  Chorizanthe xanti var. leucotheca Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 305 Comment
  SEINET10445993 Image available Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet and Stephan Myers 2015-1 18308 Riverside south side of the San Gorgonio River, 2km north of Banning, south base of the San Bernardino Mountains, 52km east of Riverside 788 Comment
  RSA117699  Chrysothamnus teretifolius S. Carlquist 1958-3-30 429 Riverside Along Morongo Valley to Lucerne Valley Road, on San Bernardino - Riverside County line Comment
  SDSU8600  Chylismia brevipes subsp. brevipes Pamela A. Beare 1992-3-13 13 III92D Riverside Just north of Box Canyon Road, approx. 7 miles ca. east of Painted Canyon Road, east of Mecca 280 Comment
  SBBG60506  Chylismia cardiophylla subsp. cardiophylla S. W. Hutchinson -Feb-1926 752 Riverside entrance to Painted Cyn Comment
  CAS-BOT-BC160628  Chylismia claviformis subsp. aurantiaca Ivan Johnston 1917-4-4 1084 Riverside Palm Canyon 304 Comment
  SD44540  Chylismia claviformis subsp. aurantiaca J. B. Marks Jul 1948 Riverside Roadside above Banning. 1067 Comment
  RSA0070670  Cirsium occidentale var. californicum D. L. Banks 1997-5-5 1978 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA500558  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3601 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  CAS-BOT-BC286461  Cirsium scariosum Cecil Hart 1922-5-21 26 Riverside San Jacinto Mt. Comment
  UC1523626  Cirsium vulgare Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61280 Riverside near Murrieta-Guava St. roads (a few mi s of Murrieta); De Luz Arroyo 385 Comment
  CAS-BOT-BC438666  Cistanthe ambigua Lewis S. Rose 1937-4-10 37150 Riverside La Quinta. Alt. sea level. 0 Comment
  UCR120323  Cistus creticus Mitch Provance 1998-7-23 910 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCR101465  Clarkia epilobioides A. C. Sanders 1997-4-10 20330 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR174325  Clarkia epilobioides A. C. Sanders, T. B. Salvato 2006-6-2 33088 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
  CAS-BOT-BC163864  Clarkia purpurea subsp. quadrivulnera E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temescal Canyon, between Corona and Elsinore 350 Comment
  JEPS1949 Image available Clarkia purpurea subsp. quadrivulnera H. M. Hall 1905-6-3 6240 Riverside vicinity Riverside (e base of mountain); Box Springs Mt.; Eastern base of Box Springs Mt., vicinty of Riverside 533 Comment
  RSA356713  Clarkia purpurea subsp. quadrivulnera Robert F. Thorne, E. W. Lathrop 1975-5-25 45558 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA585522  Clarkia purpurea subsp. quadrivulnera D. L. Banks, Steve D. Boyd 1995-5-9 383 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  UC58849  Clarkia purpurea subsp. quadrivulnera H. M. Hall June 1897 593 Riverside Riverside Comment
  JEPS43332  Claytonia parviflora subsp. viridis C. V. Meyer Jun 1927 187 Riverside Saunder's Meadows; San Jacinto Mts. Comment
  UCR151433  Claytonia parviflora subsp. viridis D. L. Banks 1997-3-16 1546 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UCR82762  Clematis ligusticifolia A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15790 Riverside San Jacinto Mtns., N slope of mountains, nameless tributary of Azalea Creek, Twin Pines Creek drainage 1192 Comment
  CAS-BOT-BC92822  Clematis pauciflora Frank W. Peirson 1921-3-22 2372 Riverside Murray Canyon. 426 Comment
  SDSU20292  Clematis pauciflora Adrienne D. Russell, Michael G. Simpson 2000-4-29 129 Riverside North Field Station, Santa Margarita Ecological Reserve, rocky hillside between trailer and gorge on edge of lot, driveway. Comment
  UCD169470  Clematis pauciflora Scott D. White 1995-4-5 2735 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Street at ' T ' intersection with Central, in town of Nuevo. 487 Comment
  UCR97283  Clematis pauciflora Scott D. White 1993-3-12 1161 Riverside Near Winchester 466 Comment
  RSA562607  Cleome isomeris Steve Boyd, K. A. Boyd 1993-2-21 7719 Riverside Santa Ana Mountains, southeast of lake Elsinore. main Divide Road (6S07) just northward of private residence at Morell Potrero. 915 Comment
  RSA0117440  Collinsia concolor Scott D. White, Michael Honer 2003-4-4 8940 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA0117457  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1107 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  SJSU11586  Collinsia concolor N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 3.5 mi E of E shore, Lake Elsinore Comment
  RSA797662  Collinsia heterophylla var. heterophylla Robert F. Thorne, E. W. Lathrop 1977-5-18 49766 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  RSA318528  Conium maculatum Patricia Wilder 1971-2-4 4914 Riverside By edge of vernal pool in northeast portion of Prado Park; east of Archibald Ave. 244 Comment
  RSA535086  Convolvulus simulans Steve Boyd 1991-5-10 6219 Riverside Temescal Canyon, E base of Santa Ana Mountains. Terrace escarpment just SE of Indian Truck Trail offramp of I-15, S of DePalma Road. 366 Comment
  RSA557351  Conyza bonariensis Julie Greene 1993-5-12 1296 Riverside North side of San Jacinto River levee, west of Davis Road. 433 Comment
  JEPS60187  Cordylanthus rigidus subsp. setiger L. R. Heckard 1969-4-24 2168 Riverside just n of Sage 731 Comment
  JOTR29501  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 1377 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  JOTR31012  Coreopsis californica var. californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1301 Riverside Joshua Tree National Park. Stop 7: Hexie Mountains, Pleasant Valley, along Geology Tour road loop, just south of where loop begins 1039 Comment
  CAS-BOT-BC101299  Corethrogyne filaginifolia D. E. Breedlove 1961-8-4 929 Riverside along Riverside Highway 1, 9 miles south of Banning; San Jacinto Mountains 1341 Comment
  SBBG45021  Corethrogyne filaginifolia I. W. Clokey with E. G. Anderson 1935-8-21 Riverside Keen Public Cmpgrd 1950 Comment
  SBBG59864  Cornus nuttallii M. Lewis 1947-8-26 25 Riverside N slope of Dark Cyn 1981 Comment
  UCR116001  Coronopus didymus A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23306 Riverside Shipley-Skinner Reserve, campground and boat launching area on the east side of Lake Skinner 457 Comment
  CAS-BOT-BC287227  Cotula australis Mrs. C. M. Wilder 1908-3-1 s.n. Riverside At Riverside Comment
  UCR116973  Crassula aquatica A. C. Sanders, T. B. Salvato 2001-5-3 24098 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR155151  Crassula aquatica A. C. Sanders, Kelly Volansky 2005-3-17 29200 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
  UCR266788  Crassula connata Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 05 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UCR111566  Crassula tillaea Mitch Provance 1999-5-4 1690 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CAS-BOT-BC181566  Crossosoma bigelovii Theodore Labouchere 1915-4-15 236 Riverside Tahquitch Canyon, borders of the Colorado Desert on the easterly side of San Jacinto Mountain Comment
  NY268562  Crossosoma bigelovii T. Labouchere 1915-4-15 3315 Riverside San Jacinto Mountain. Comment
  HSC66727  Croton californicus D. Goforth, D. Reed 1980-3-25 361 Riverside Hwy. 195, 6 mi. E of Mecca, Box Canyon, Mecca Hills. 122 Comment
  RSA543194  Croton californicus Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6114 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  SD80026  Croton californicus Nancy R. Zabriskie, Walter Zabriskie 1970-12-29 333 Riverside Beside Andreas Cnyon Club entrance gate on South Palm Canyon Drive, Palm Canyon watershed, east slope of San Jacinto Mountains. 170 Comment
Read comments
Apr 17 2011
  UCR101409  Croton setiger A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22229 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  POM368206  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10623 Riverside Thousand Palm Canyon, Coachella Valley Comment
  POM72271  Cryptantha angustifolia Marcus E. Jones 1903-5-10 6808 Riverside Palm Spring. 61 Comment
  RSA18944  Cryptantha angustifolia Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9515 Riverside 19 mi. from Cottonwood Springs, Riverside Co. N end of Pinto Basin Comment
  RSA760822  Cryptantha angustifolia Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-3-30 107 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA778625  Cryptantha angustifolia Duncan S. Bell 2009-3-8 66 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  UCD80957  Cryptantha angustifolia Chuck Hughes 2009-3-23 58 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR108712  Cryptantha angustifolia Scott D. White, Pam DeVries 1998-2-9 6082 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  RSA517934  Cryptantha barbigera Steve Boyd, Orlando Mistretta 1986-3-13 1407 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UCR213399  Cryptantha barbigera A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37462 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
  RSA796033  Cryptantha barbigera var. barbigera Duncan S. Bell 2009-4-18 251 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  UCR276655  Cryptantha barbigera var. fergusoniae Jim Andre 2015-3-6 33550 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  CAS-BOT-BC189331  Cryptantha circumscissa John H. Thomas 1957-3-30 6576 Riverside Joshua Tree National Monument. About 3 miles SE of White Tank near the road to Cholla Cactus Garden. About 20 miles NE of Indio 883 Comment
  UC100863  Cryptantha costata H. M. Hall 1905-5-1 5974 Riverside Hodges Mts. Colorado Desert Comment
  UCR214565  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, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR75100  Cryptantha costata A. C. Sanders, E. J. Lawlor 1992-4-3 12085 Riverside Sonoran (Colorado) Desert, 0.2 mi north of Hwy I-10 at the Wiley Well Rest Stop, c. 31 mi east of Desert Center. 122 Comment
  RSA0078806  Cryptantha cycloptera Steve Boyd, Sara Meury, R. Noyes, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2159 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  SBBG87958  Cryptantha cycloptera A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6144 Riverside N foot of the Chuckwalla Mtns, 2.75 airline mi SE of Desert Center 365 Comment
  UCR52068  Cryptantha decipiens var. decipiens D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  RSA778234  Cryptantha dumetorum Duncan S. Bell 2009-3-8 39 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  POM368240  Cryptantha holoptera M. B. Dunkle 1933-5-6 3436 Riverside Painted Canyon Comment
  RSA488928  Cryptantha intermedia D. C. Hawks 1988-4-2 s.n. Riverside Tule Creek drainage, 1.75mile airline NE of Aguanga, SE of intersection of Dove and Sycamore Streets, S of Hwy 371. 762 Comment
  RSA67310  Cryptantha intermedia G. R. Campbell 1951-4-22 15998 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  SD240921  Cryptantha intermedia A. C. Sanders, Matthew Malle 2010-4-23 37999 Riverside Peninsular Range: Menifee Hills, south of Sun City, south side of Bundy Canyon Road at intersection with Murrieta Road (Romoland 7.5'Q) 518 Comment
  UCD119851  Cryptantha intermedia Geoffrey Levin 1975-4-26 487 a Riverside Mayhew Canyon Wash, 1.5 miles southeast of Glen Ivy on Highway 71. 335 Comment
  UCR106338  Cryptantha intermedia John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR111581  Cryptantha intermedia Mitch Provance 1999-4-3 1723 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  UCR16162  Cryptantha intermedia Tony Beck 1968-4-28 680428- 9 Riverside San Bernardino Mtns/ Colorado Desert, one-half mi. south of fish pond in Whitewater Canyon, near where river crosses the road. Comment
  UCR226053  Cryptantha intermedia A. C. Sanders, Nathan Moorhatch 2011-3-22 38770 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  SDSU21016  Cryptantha juniperensis A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of 1-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. (Lake Mathews 7.5'). Sandy benches above wash. 317 Comment
  RSA504966  Cryptantha maritima D. Charlton 1988-2-18 1151 Riverside Little San Bernardino Mountains. south side of range. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Monument, parallel to I-10. 5 miles E of Junction of Dillon Road and Fargo Canyon Road. 762 Comment
  RSA784934  Cryptantha maritima Duncan S. Bell 2012-2-12 3102 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA785021  Cryptantha maritima Duncan S. Bell 2012-3-18 3192 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA797511  Cryptantha maritima C. P. Cowan 1978-4-23 1175 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR30071  Cryptantha maritima George K. Helmkamp 1983-4-5 483 11 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  POM72168  Cryptantha micrantha Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC857184  Cryptantha micrantha Mary F. Spencer 1922-4-16 1918 Riverside Palm Springs Colorado Desert 121 Comment
  RSA50324  Cryptantha micrantha var. lepida E. K. Balls 1949-5-4 13489 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1371 Comment
  UCR193489  Cryptantha micrantha var. lepida A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35608 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  JOTR28753  Cryptantha micrantha var. micrantha La Doux, Tasha, Bill Truesdell 2004-3-11 1034 Riverside Joshua Tree National Park. Pinto Basin; sand hills 530 Comment
  SBBG87640  Cryptantha microstachys A. C. Sanders, B. Pitzer 1986-4-30 6487 Riverside upper Bee Cyn, 1.3 mi above the mouth of the cyn at the San Jacinto River valley 670 Comment
  UCR160322  Cryptantha microstachys Steve Boyd 1992-4-14 6825 Riverside Peninsular Ranges; Santa Ana Mtns Region, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 793 Comment
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Jul 5 2010
  RSA786102  Cryptantha muricata C. P. Cowan 1978-4-25 1273 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  UCR158326  Cryptantha muricata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30051 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
  UCR241240  Cryptantha muricata Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 504 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA722354  Cryptantha nevadensis J. R. Bruff 1927-3-12 3 -M Riverside Fingal Comment
  UCR244733  Cryptantha pterocarya var. cycloptera Jim Andre 2012-3-19 21351 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  GMDRC5833  Cryptantha pterocarya var. stenoloba J. M. Andre 2013-3-27 24800 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  UCR89668  Cryptantha racemosa Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., 'wet fork' Agua Alta Canyon 640 Comment
  JOTR33726  Cryptantha utahensis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2727 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  RSA5153  Cucurbita palmata C. B. Wolf 1932-4-27 1474 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  RSA77418  Cucurbita palmata F. W. Peirson 1916-04 1206 Riverside Near Palm Springs. Comment
  RSA85825  Cupressus forbesii F. W. Peirson 1922-5-28 3058 Riverside Canyon floor in canyon east from Santa Ana River Canyon. at 400 ft. 121 Comment
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Feb 28 2013
  UC23241  Cuscuta californica unknown 1892-6-30 Riverside San Jacinto Mt. Comment
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Nov 26 2011
  SD126648  Cuscuta californica var. papillosa J. C. Roos 1946-12-7 3184 Riverside Pushawalla Wash Comment
  SBBG30056  Cuscuta subinclusa L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonio wash at Southern Pacific Railroad, San Gorgonio Pass 640 Comment
  RSA0097551  Cylindropuntia bigelovii Marc A. Baker 2015-4-7 18303 Riverside 1.7 km NE of White Water Hill, just west of Hwy 62, 2 km north of its junction with Interstate 10, 13 km NW of central Palm Springs. 353 Comment
  LA204501  Cylindropuntia californica var. parkeri W. E. Pequegnat; 1939-8-18 51 Riverside Santa Ana Mountains Comment
  UCR97434  Cylindropuntia californica var. parkeri B. G. Pitzer 1997-4-1 3050 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  SEINET9037738 Image available Cylindropuntia echinocarpa M. A. Baker 2015-1 18325 Riverside San Gorgonio Pass, south base of the San Bernardino Mountains, 24km NW of central Palm Springs, 3km ENE of Cabazon, heavily-grazed bowl among hills 559 Comment
  UCR112912  Cymbalaria muralis A. C. Sanders 1998-4-12 21751 Riverside Riverside, yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
  UCR232793  Cynodon dactylon John F. Green 2008-4-16 0408- 51 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UCR211701  Cyperus difformis Fred M. Roberts, Michelle Balk 2006-8-24 6402 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  SEINET3228137  Cyperus rotundus G. Rink, K. Routson 2012-9-3 11660 Riverside Agricultural fields about 10 miles southwest of Blythe 70 Comment
  POM12678  Cyperus squarrosus Phillip A. Munz 1922-9-6 6382 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  POM11135  Cystopteris fragilis P. A. Munz 1922-7-6 5988 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  POM13346  Dalea mollis E. C. Jaeger s.n Riverside Martinez Canyon wash Comment
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Aug 29 2016
  SD185213  Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-25 5757 Riverside Rice Valley, southeast of Danby Dry Lake, south of Highway 62, along Midland Road, south of railroad crossing. 234 Comment
  UC724223  Dalea mollis Aven and Ruth Nelson 1939-3-29 3309 Riverside between Mecca and Hidden Springs Comment
  RSA404184  Dalea mollissima P. J. Remple 1942-3-1 s.n Riverside Between Indio and Palm Springs Comment
  UC51617  Dalea mollissima Jos. Burtt Davy 1902-4-2 8049 Riverside Salton Comment
  CLARK-A1528-471  Dalea schottii Charlotte Stocks 1966-5-3 Riverside Thousand Palms canyon Comment
  RSA0018639  Dalea schottii C. P. Cowan 1978-4-23 1168 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Whittaker transect #W-217. 570 Comment
  SBBG19892  Dasyochloa pulchella M. A. Piehl 1963-9-18 63842 Riverside US Hwy 60, 70; 2.7 mi W of Desert Center 312 Comment
  RSA13808  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside Near Santa Rosa. Santa Rosa Mountains 1829 Comment
  RSA504981  Datura wrightii D. Charlton 1988-2-25 1163 Riverside Box Canyon Wash between the Mecca Hills and Orocopia Mountains, 10 miles S of I-10 and N of Mecca and Salton Sea 305 Comment
  SDSU11088  Datura wrightii Ronald H. Bogelow 1962-4-16 Riverside 10 yards from north side of 29 Palms road, about 10 miles from Desert Center Rd. Comment
  CAS-BOT-BC293823  Deinandra fasciculata Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  JEPS15720  Deinandra paniculata Peter H. Raven and S. R. Snow 1956-6-30 9531 Riverside Dripping Springs Guard Station Temecula River, Dripping Springs Guard Station Comment
  UC1746490  Deinandra paniculata Mitch Provance 2000-9-1 2232 Riverside 1/2 mi SW of peak 1538 Pyrite Canyon; Jurupa Mtns. 304 Comment
  UC1746496  Deinandra paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside 2 miles due east of Railroad Canyon Lake; Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake Comment
  UC1018509  Delphinium parishii Jim Warren 1952-4-26 Riverside Snow Creek Comment
  UCR205021  Delphinium parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert, East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station 366 Comment
  CAS-BOT-BC7979  Delphinium parishii subsp. parishii Alice Eastwood 1913-4-30 2999 Riverside Palm Springs Comment
  UCSB1982  Delphinium parishii subsp. parishii Sager, Ginny 1960-4-1 Riverside White Water Canyon Comment
  RSA0020482  Delphinium parishii subsp. parishii L. Haines, L. C. Erickson 1937-4-10 s.n. Riverside Palms to Pines Hwy near road to Shumway. Comment
  RSA561019  Delphinium parryi Steve Boyd 1992-5-4 7191 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA784840  Delphinium parryi J. D. Olmsted 1962-5-2 3461 Riverside In small arroyo north of turn from US 60 to Gilman Hot Springs, San Timoteo Badlands 564 Comment
  UCR155060  Delphinium parryi Jason L. Hlebakos 2005-5-30 812 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR232063  Delphinium parryi John F. Green 2008-4-23 07- 04 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  CAS-BOT-BC121429  Delphinium parryi subsp. parryi H. M. Hall 1901-6-1 2013 Riverside Canyon of San Jacinto River 762 Comment
  CLARK-A1528-3935  Dendromecon rigida David T. Wright 1966-5-16 Riverside San Jacinto Mountains Comment
  UC917871  Dendromecon rigida Frank W. Gould 1943-4-18 2140 Riverside e Idlewild; Riverside County Park Comment
  RSA433555  Dendromecon rigida subsp. rigida H. de Forest, Jack Rempel 1933-6-25 18018 Riverside San Jacinto Mtns; northern slope 1128 Comment
  UCR85163  Descurainia pinnata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16082 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  JOTR28958  Descurainia pinnata subsp. glabra La Doux, Tasha 2005-3-30 1194 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM10270  Descurainia pinnata subsp. halictorum Anonymous 1904-4-10 s.n. Riverside Wilders Canon, Jurupa Hills, near Riverside. Comment
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Feb 2 2013
  RSA741073  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-5 12081 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  RSA741111  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-17 12161 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  CAS-BOT-BC402292  Dicentra chrysantha T. Winfield 1975-4-27 2365 Riverside Snow Ck Rd ~3 mi from Hiway 111 Comment
  UCR188886  Dicentra chrysantha Brent Barnes, Seung-Chul Kim, A. C. Sanders, UCR Plant Taxonomy class 2007-5-20 02 Riverside Peninsular Range; San Jacinto Mtns., Mt. Edna Road off Hwy 74 1159 Comment
  RSA162722  Dicentra ochroleuca John Olmsted 1958-6-10 158 Riverside 7.5 miles SW of Corona on Oak Flat Fire Road (turn S in corona from US onto Lincoln, Santa Ana Mtns, Santa Ana River. 793 Comment
  HSC3085  Dichelostemma capitatum subsp. pauciflorum R. K. Brennan 1966-4-9 53 Riverside Yucca mesa, 5 mi. NW of Joshua Tree National Monument, section 30, lot 33 1006 Comment
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Nov 30 2014
  CAS-BOT-BC292181  Dicoria canescens Mrs. Robert Campbell 1921-11-26 2 Riverside Palm Springs Comment
  RSA9753  Dicoria canescens L. C. Wheeler 1933-3-1 2287 Riverside 2 miles E Cabazon, San Gorgonio Pass. 640 Comment
  UCR95720  Digitaria sanguinalis D. L. Banks, Lauren Raz 1996-8-29 1135 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  CAS-BOT-BC291032  Dimorphotheca sinuata Steve Boyd 1986-4-10 1640 b Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon Comment
  UCSB24961  Dimorphotheca sinuata Breedlove, Dennis 1962-3-11 Riverside Alongside road, flood plain of San Jacinto River, 6.2 miles southeast of State 79, on State 74; in Hemet 579 Comment
  CAS-BOT-BC152907  Diplacus brevipes Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  CHSC1799  Diplacus fremontii E. Thomas 1940-4-14 Riverside Temescal Canyon. Comment
  PASA103  Diplacus puniceus Margaret Stason 1931-3-30 Riverside Near Pala Comment
  RSA0019295  Diplacus puniceus D. L. Banks, Steve D. Boyd 1995-3-30 132 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 634 Comment
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Apr 20 2019
  SD186337  Diplacus puniceus Andy C. Sanders, Mike Misenhelter 2005-3-23 29260 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SD245481  Diplacus puniceus Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49559 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 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
  UCR140724  Distichlis spicata A. C. Sanders 2004-5-12 27879 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  POM87244  Ditaxis claryana Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  HSC66632  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  UCR41800  Ditaxis lanceolata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6026 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR59708  Ditaxis lanceolata A. C. Sanders 1989-9-19 9500 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
  SD113862  Ditaxis neomexicana Darley F. Howe 1952-4-28 2194 Riverside Chuckwalla Mountains Comment
  UCR166692  Ditaxis neomexicana Scott D. White, Brian Leatherman 2005-5-4 11012 A Riverside Sonoran Desert, Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and east of the Coachella Canal 49 Comment
  UCR279490  Ditaxis neomexicana A. C. Sanders, Jim Malusa 2017-3-25 43007 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
  JEPS52443  Ditaxis serrata Marjorie D. Clary 1932-5-22 928 Riverside Hexie Mt. n side Colorado Desert Comment
  RSA768412  Dithyrea californica J. Andre, T. La Doux 2009-2-25 10823 Riverside Palen Dry Lake: southeast margin of dry lake, approx. 6 miles north of I-10 freeway, about 15 miles east of Desert Center 129 Comment
  SBBG35552  Dithyrea californica D. Myrick 1966-4-2 1338 Riverside Dillon Rd ca. 5 mi S of Desert Hot Springs Comment
  SD260032  Dithyrea californica J. M. Andre 2013-3-27 24797 Riverside Rice Valley: east saide of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). Ric 7.5'Q 242 Comment
  SEINET3167268  Dithyrea californica R. W. Spellenberg, N. Zucker 2005-2-14 13497 Riverside 50 km NW of Blythe on Midway Rd., 5km NW of Midway. 14 km SE of Rice 50 Comment
  UC118026  Dithyrea californica S. B. Parish 1881-3-1 15 Riverside Whitewater Colorado Comment
  UCR214549  Dithyrea californica A. C. Sanders 2010-3-15 37417 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
  RSA395359  Dodecahema leptoceras Steve Boyd 1986-4-22 1738 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA784514  Dodecahema leptoceras Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 71 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  UCR216393  Dodecatheon clevelandii Mike Bell 2008-3-30 021 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  SEINET7042774  Dodecatheon clevelandii W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  SD204853  Downingia bella R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-6-5 55200 Riverside Peninsular Ranges; Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de Colorado. 579 Comment
  UC50305  Draba cuneifolia H. M. Hall Apr. 1903 3804 Riverside vicinity Riverside; vicinity of Riverside 609 Comment
  RSA650212  Dryopteris arguta Richard Phillips 1929-1-14 s.n. Riverside Collected in Cleveland Park [National Forest] 304 Comment
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Nov 9 2011
  RSA675704  Dryopteris arguta Scott D. White 2000-11-15 8146 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  UCR271408  Dudleya abramsii subsp. abramsii John F. Emmel 2001-4-28 1701 Riverside San Jacinto Mountains, Garner Valley, 0.2 air mile south of trailhead parking area for Ramona Trail 1402 Comment
  POM12114  Dudleya lanceolata Mary F. Spencer 1921-5-30 1124 Riverside Canyon near San Jacinto. 549 Comment
  RSA502187  Dudleya pulverulenta Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3713 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  JOTR35490  Dudleya saxosa subsp. aloides La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3178 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  RSA370868  Echinochloa crus-galli R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61273 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  VVC2322  Echinochloa crus-galli Tim Thomas 2011-10-17 5521 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  UCR222302  Elatine californica R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55207 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA357163  Elatine chilensis R. F. Thorne, E. W. Lathrop 1975-5-25 45562 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA192308  Eleocharis montevidensis var. montevidensis E. W. Lathrop 1960-6-15 5014 Riverside 14 miles west of Murrieta Comment
  RSA162801  Eleocharis palustris J. D. Olmsted 1959-9-23 1020 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  SEINET3127271  Eleocharis parishii S. B. Parish 1907-4-22 6145 Riverside Western border of Colorado desert 200 Comment
  UCR207612  Eleusine indica O. F. Clarke 2003-9-29 s.n. Riverside Peninsular Range; Box Springs Mtns. Foothills, Riverside, UCR Campus 335 Comment
  UCR93084  Eleusine indica A. C. Sanders, S. Ogg 1994-7-28 15169 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  SD71848  Elymus condensatus Helen V. Witham 1969-7-2 193 Riverside dry flat, on De Luz Creek 7 miles south of Murietta on road to De Luz 299 Comment
  CAS-BOT-BC227737  Elymus elymoides Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  RSA575840  Elymus glaucus subsp. glaucus Steve Boyd 1982-10-28 s.n. Riverside Gavilan Hills region, ''Blue Oak Canyon'', tributary of Dawson Canyon drainage northern flank of Estelle Mountain. 427 Comment
  UCR193906  Elymus hispidus A. C. Sanders, Mitch Provance 2008-7-11 35746 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  CDA31736  Elymus trachycaulus S. Munhall 1957-7-18 Riverside Cleveland National Forest, high rocky ridge. 0 Comment
  CLARK-A1528-4608  Elymus triticoides John C. Roos 1937-5-19 2062 Riverside Norco Comment
  JEPS1577  Emmenanthe penduliflora L. M. Newlon 1922-4-4 445 Riverside Andreas Canyon; San Jacinto Mts. Comment
  OBI2172  Emmenanthe penduliflora P. A. Holden 1969-4-6 706 Riverside At foot of Morongo Grade just W of hwy 62 and just N of Mission Crk Comment
  JOTR30979  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1956 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  JEPS34089  Encelia actoni W. L. Jepson 1928-4-25 12584 Riverside Cottonwood Springs Colorado Desert, Eagle Mts., Cottonwood Springs 731 Comment
  UCR231758  Encelia actoni John F. Green 2008-4-23 09- 02 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  RSA613658  Encelia farinosa D. L. Banks, Victor Steinmann 1997-3-13 1462 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA775597  Encelia farinosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 796 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  SBBG25003  Encelia farinosa D. Myrick 1966-4-1 1320 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  UC1118066  Encelia farinosa A. Lewis Mar 1933 180 Riverside Rubidoux Mountain Riverside Quad., Rubidous Mountain 304 Comment
  UC1871079  Encelia farinosa Steve Boyd, T. S. Ross, W. Appleby 1993-3-20 7888 Riverside Colorado Desert; Northeastern Colorado Desert region; Southern end of Cadiz Valley, just east of the Coxcomb Mountains and northwest of the Granite Mountains, west edge of Highway 177, just south of intersection with Highway 62. 400 Comment
  UCD131211  Encelia farinosa Gordon Pilone 1961-3-1 97 Riverside White Water Canyon, one-half mile below fish hatchery. 457 Comment
  UCR101568  Encelia farinosa Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  POM356692  Encelia farinosa var. farinosa Christopher Davidson 1979-4-4 7731 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA308544  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3151 Riverside 10 miles east of Indio. Comment
  RSA543309  Encelia farinosa var. farinosa Steve Boyd 1991-3-17 5487 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA556487  Encelia farinosa var. farinosa Julie Greene 1993-3-13 1051 Riverside West of Poleline Rd. 457 Comment
  JEPS34094  Encelia frutescens Marjorie D. Clary 1932-4-7 815 Riverside ca 5 mi n Palm Springs (State Highway); Garnet Comment
  NY688828  Ephedra aspera L. C. Wheeler 1956-2-24 7175 Riverside Pines to Palms Highway, ca. 0.45 mile downhill from 3000 ft. marker. Comment
  NY70192  Ephedra aspera I. W. Clokey 1935-4-17 6512 Riverside Cottonwood Springs Comment
  RSA383868  Ephedra aspera N. C. Cooper 1949-4-8 3285 Riverside Desert Center. 609 Comment
  RSA85057  Ephedra aspera F. W. Peirson 1922-4-9 3339 Riverside Andreas Canyon near Palm Springs. 426 Comment
  CAS-BOT-BC81539  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  RSA383873  Ephedra californica Ora M. Clark 1929-2-23 1517 Riverside South of Cabazon Comment
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Mar 13 2011
  CAS-BOT-BC81874  Ephedra trifurca Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13264 Riverside Northwest edge of sand dunes, 2.1 mi. S of Rice on road to Midland and Blythe Comment
  SD84922  Ephedra viridis Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-28 480 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mountains 609 Comment
  RSA630329  Epilobium brachycarpum Scott D. White 1996-9-22 4538 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  SDSU8799  Epilobium canum subsp. canum James C. Dice, J. DeWald 1987-9-28 727 Riverside North side of Temecula Gorge, ca. 4.2 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 335 Comment
  UCR202612  Epilobium ciliatum Scott D. White, Justin M. Wood 2008-7-9 12424 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  POM244818  Epilobium ciliatum subsp. ciliatum E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood Creek. About 20 miles south of Hemet. 915 Comment
  RSA588342  Epilobium ciliatum subsp. ciliatum N. C. Cooper 1944-5-6 1176 Riverside Whitewater Canyon. 457 Comment
  RSA381727  Epipactis gigantea N. C. Cooper 1944-4-8 s.n. Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  UC1931213  Equisetum arvense Scott D. White, Justin Wood 2008-7-8 12373 Riverside SAN JACINTO MTS: Hurkey Creek Watershed-Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. Comment
  JOTR38421  Eragrostis cilianensis Hodges, Stephen, A. Ingersoll 2015-8-26 650 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  UC38340  Eragrostis cilianensis H. M. Hall August, 1899 1366 Riverside Riverside Comment
  UCR113928  Eragrostis cilianensis Mitch Provance 2000-6-24 2050 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCSB51372  Eragrostis cilianensis Roos, John 1965-7-7 Riverside San Jacinto Comment
  CLARK-A1656-789  Eremalche exilis Jon Mark Stewart 1982-4-14 Riverside Palm Desert 60 Comment
  UCR112092  Eremalche rotundifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23366 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  RSA34504  Eremocarpus setiger N. C. Cooper 1944-7-15 1571 Riverside Banning. 701 Comment
  UC17608  Eremocarpus setiger Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UC127707  Eremothera refracta H. M. Hall 1905-4-21 5840 Riverside near Salton; Colorado Desert Comment
  UC218262  Eriastrum densifolium subsp. austromontanum P. A. Munz 1922-7-1 5927 Riverside Old Nicholas Canyon Santa Rosa Mts. 1524 Comment
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Jun 4 2009
  UCR126207  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-5-29 123 Riverside San Jacinto Mtns., Old Banning-Idyllwild Road, 0.4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road 683 Comment
  UCR35046  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1964-7-2 005 Riverside San Jacinto Mtns., Garner (Hemet) Valley 1402 Comment
  CAS-BOT-BC514462  Eriastrum eremicum subsp. eremicum Mr. May 1914-3-1 s.n. Riverside May Comment
  RSA0120685  Eriastrum harwoodii Duncan S. Bell 2010-5-1 904 Riverside Arica Mountains: northwest of the mountain range, approximately 8 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 324 Comment
  UC130497  Eriastrum sapphirinum Charlotte M. Wilder 1909-7-15 959 Riverside at gate near keeper's house; Hemet Valley Comment
  HSC85299  Eriastrum sapphirinum subsp. sapphirinum Steve Boyd 1986-5-7 1844 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck trail, S of I-15 Comment
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Dec 6 2013
  CAS-BOT-BC515048  Eriastrum sapphirinum subsp. sapphirinum R. Bacigalupi 1941-8-30 2700 Riverside San Jacinto Mts., upper end of Kenworthy Flats 1392 Comment
  RSA0122978  Eriastrum sapphirinum subsp. sapphirinum P. A. Munz 1922-7-4 5973 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  UCR139651  Ericameria brachylepis A. C. Sanders 2004-7-1 28372 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, just off Wickard Rd. c. 1 mile east of the "Menifee-Antelope Community Hall", 5 miles due south of Sun City 476 Comment
  SBBG119489  Ericameria cooperi var. cooperi Leota Davidson 1965-5-14 182 Riverside Joshua Tree Nat Monument Comment
  UCR137350  Ericameria cuneata John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  POM359340  Ericameria cuneata var. spathulata Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  RSA614692  Ericameria cuneata var. spathulata A. C. Sanders, D. Wappler, T. Schram 1994-10-6 15785 Riverside San Jacinto Mountains (N slope): rocky gorge of Azalea Creek, Twin PInes Creek drainage 1189 Comment
  RSA342552  Ericameria linearifolia R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54094 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  LA204641  Ericameria nauseosa H. Lewis; 1939-10-22 1035 Riverside San Jacinto Mountains, Hemet Lake Comment
  POM351940  Ericameria nauseosa var. bernardina A. J. Gredell 1915-07 s.n. Riverside San Bernardino Mts. Comment
  CAS-BOT-BC299526  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Alberhill Mountain, lower south-facing slopes southeast of the clay mining area, Elsinore Basin Region 449 Comment
  CDA4604  Ericameria palmeri var. pachylepis T. C. Fuller 1961-10-18 7159 Riverside Santa Ana River Canyon, Green River Station, 0.5 mile west of Prado Dam Road, on Highway 91. 0 Comment
  UC1118790  Ericameria palmeri var. pachylepis A. Lewis 1934-5-1 462 Riverside Domegoni Valley Elsinore Quad., Domegoni Valley 518 Comment
  UCR140740  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Elsinore Basin Region, Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  SBBG8359  Ericameria paniculata H. and M. Dearing 1939-11-11 4024 Riverside wash at W edge of Colorado Desert, just E of Banning Comment
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Jun 4 2011
  UCR201444  Ericameria parishii Scott D. White, Justin M. Wood 2008-7-10 12453 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  RSA0098175  Ericameria pinifolia Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8565 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  RSA552731  Ericameria pinifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6753 a Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  UC63167  Ericameria pinifolia H. M. Hall 1901-6-18 2157 Riverside Van Deventer Flat San Jacinto Mountains, Van Deventer Flat Comment
  UCR34961  Ericameria pinifolia L. B. Ziegler 1966-10-16 104 Riverside San Jacinto Valley/San Jacinto Mtns. Foothills, Soboba Indian Reservation 503 Comment
  UCR34967  Erigeron divergens L. B. Ziegler 1972-6-13 482 Riverside San Jacinto Mtns, Hemet (Garner) Valley. In back of Kenworthy Ranger Station. 1402 Comment
  JEPS41515  Erigeron foliosus var. foliosus W. L. Jepson 1903-8-5 2262 Riverside Strawberry Valley San Jacinto Mt., Strawberry Valley 1676 Comment
  UCR111988  Eriochloa aristata A. C. Sanders, T. B. Salvato 2000-4-27 23375 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
  SEINET10781259  Eriodictyon J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12846 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  LA205565  Eriodictyon crassifolium Elizabeth McClintock; 1940-4-23 sn Riverside San Jacinto Mountains, Idyllwild Grade Comment
  RSA182205  Eriodictyon crassifolium P. A. Munz 1932-4-24 12320 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA253145  Eriodictyon crassifolium Gary D. Wallace 1975-2-22 1398 Riverside San Jacinto Mtns., alaong hwy, 243, 3-5 mi. N of Poppet Flat Road turn off. Comment
  RSA455016  Eriodictyon crassifolium Gale Sphon 1955-5-21 s.n. Riverside 3 miles south of Banning. Comment
  SD4124  Eriodictyon crassifolium Fidella G. Woodcock 1926-3-15 Riverside Palm Springs (mak 7/07) Comment
  UCR35117  Eriodictyon crassifolium var. crassifolium L. B. Ziegler 1967-5-18 131 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  RSA510043  Eriodictyon trichocalyx B. Pitzer, H. Pitzer, J. Hall 1987-4-23 571 Riverside Whitewater Canyon, from N edge of Fish Hatchery to 0.5 miles N of It, 5.5 miles N of I-10 on Whitewater Canyon road. 732 Comment
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Jan 14 2010
  RSA754120  Eriogonum apiculatum W. Schlegel, Matt McDonald 2009-4-9 37 Riverside Idyllwild: Red Mountain Lookout and communications site on a hilltop. Comment
  UCR94612  Eriogonum cithariforme var. agninum G. R. Ballmer, Kay Stockwell 1995-6-24 s.n. Riverside San Jacinto Mountains, along trail from Morris Ranch Rd. to Pacific Crest Trail, near Pyramid Peak 1982 Comment
  CAS-BOT-BC242783  Eriogonum davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  JOTR16809  Eriogonum davidsonii Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  POM158449  Eriogonum davidsonii P. A. Munz 1927-5-21 10860 Riverside Coahuila Valley. Comment
  UCR103174  Eriogonum davidsonii Scott D. White, Julie Greene, Shelton Dowthit 1996-10-13 4623 Riverside San Jacinto Valley, Eastern foothills of valley (= 'Santa Rosa Hills'), south of Hemet 610 Comment
  CAS-BOT-BC256118  Eriogonum deflexum var. deflexum Edmund C. Jaeger 1939-3-31 s.n. Riverside South End Coxcomb Mts. 274 Comment
  RSA496747  Eriogonum deflexum var. deflexum A. C. Sanders 1988-5-11 7807 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 549 Comment
  UCD99970  Eriogonum fasciculatum subsp. fasciculatum K. Esau 1935-6-15 s.n. Riverside Riverside County. Comment
  UCR108156  Eriogonum fasciculatum subsp. foliolosum B. G. Pitzer 1997-3-23 2985 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  LA90399  Eriogonum fasciculatum var. flavoviride William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  POM115625  Eriogonum fasciculatum var. flavoviride Louise Kellogg, Annie M. Alexander 1941-5-15 2190 Riverside North base of Eagle Mountains. 1159 Comment
  CAS-BOT-BC249956  Eriogonum fasciculatum var. foliolosum P. A. Munz; R. D. Harwood 1920-2-28 3257 Riverside 3 mi west of Corona 335 Comment
  LA206858  Eriogonum fasciculatum var. foliolosum A. M. Johnson; August 1819 1932 4132 Riverside San Jacinto Mountains, along road Comment
  RSA133100  Eriogonum fasciculatum var. foliolosum Donald A. Johansen 1933-7-14 s.n. Riverside Mesa Mira. Comment
  JOTR29156  Eriogonum fasciculatum var. polifolium La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1231 Riverside Joshua Tree National Park. Eureka Peak Comment
  RSA5601  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-10-12 4296 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  UC162681  Eriogonum fasciculatum var. polifolium H. M. Hall 1897-7-3 Riverside vicinity of Riverside 457 Comment
  UC69224  Eriogonum gracile F. M. Reed 1905-9-16 818 Riverside vicinity Riverside (Terraces Ranch); Terraces Ranch Comment
  UCSB1429  Eriogonum gracile Munz, Philip; Johnston, D. 1928-9-12 Riverside Temescal Cyn Comment
  POM2262  Eriogonum gracile var. gracile F. M. Reed 1905-9-16 818 Riverside Teraces Ranch. Comment
  JOTR29631  Eriogonum heermannii var. argense La Doux, Tasha, Mike Bell 2006-9-6 1583 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam Comment
  UC64567  Eriogonum inflatum var. deflatum H. M. Hall May 17 1901-Jun 1 1901 1834 Riverside e base of San Jacinto Mt. San Jacinto Mt. 609 Comment
  UCR270285  Eriogonum microthecum John F. Emmel 1998-11-14 1605 Riverside San Jacinto Mountains, along Pacific Crest Trail, 5.7-6.5 trail miles north of Hwy 74, c. 0.2 air mile SSE of Tunnel Spring 1799 Comment
  CAS-BOT-BC270598  Eriogonum molestum James L. Reveal; C. Rose Broome 1987-6-27 6613 Riverside Along Morris Ranch Road, 1.9 mile northeast of California Highway 74 and about 1.5 mile northeast of Kenworthy Guard Station, about 8 airline miles southeast of Mountain Center, San Jacinto Mountains 1584 Comment
  POM259198  Eriogonum nudum var. pauciflorum P. A. Munz 1938-8-13 15338 Riverside East of Santa Rosa Peak. 2378 Comment
  UC849804  Eriogonum nudum var. pauciflorum I. W. Clokey, E. G. Anderson 1935-8-21 6590 Riverside Keen Camp P.O. 1425 Comment
  CAS-BOT-BC258087  Eriogonum plumatella Philip A. Munz 1946-10-20 11595 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1295 Comment
  JOTR35298  Eriogonum pusillum Andre, Jim 2012-4-11 20795 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  CAS-BOT-BC263502  Eriogonum thomasii Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9573 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  CAS-BOT-BC263527  Eriogonum thomasii Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater and Indio Comment
  CAS-BOT-BC263532  Eriogonum thomasii S. B. Parish 1906-5-1 440 -6741 Riverside Colorado Desert at Palm Springs Comment
  CHSC8079  Eriogonum thomasii Edward L. Smith 1958-3-21 384 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 Comment
  HSC24856  Eriogonum thomasii James Henrickson 1971-4-2 5485 Riverside Hidden Oasis, 13 miles E of Palm Spring 183 Comment
  JEPS56260  Eriogonum thomasii E. E. Schellenger May 1920 Riverside Colorado Desert Comment
  RSA424859B  Eriogonum thomasii M. B. Dunkle 4912 Riverside Colorado Desert, east of Indio. Comment
  RSA554427  Eriogonum thomasii Theo Glenn 1991-5-24 91 -131 Riverside Palen Mtns, NE of Desert Center. 399 Comment
  RSA775399  Eriogonum thomasii Duncan S. Bell 2011-4-10 2251 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  SD143778  Eriogonum thomasii G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2740 Riverside Chuckawalla Mtns: Graham Pass Rd, 10.6 mi. SSW of Chuckawalla Valley Rd. 487 Comment
  UCR245927  Eriogonum thomasii Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3950 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR251904  Eriogonum thomasii Jim Andre 2013-3-27 24828 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  RSA0009610  Eriogonum thomasii Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UCR174130  Eriogonum thurberi A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32610 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
  UCR3812  Eriogonum trichopes Frank C. Vasek 1964-4-12 640412- 05 Riverside Sonoran (Colorado) Desert, 29 Palms Road, 2.9 mi south of San Bernardino Co line, 1.5 mi from the junction with Rice Road Comment
  RSA766278  Eriogonum wrightii var. membranaceum E. L. Peterson 1931-9-6 5633 Riverside Strawberry Valley. San Jacinto Mts. 1585 Comment
  UCR19426  Eriogonum wrightii var. subscaposum Harlan Lewis 1939-11-22 1018 Riverside San Jacinto Mtns., Idyllwild 1524 Comment
  UC1133261  Erioneuron pulchellum H. S. Yates 1937-3-23 6440 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  JEPS9915  Eriophyllum ambiguum var. paleaceum S. B. Parish 1920-3-25 20020 Riverside Murray Canon Colorado Desert, Palm Springs, Murray Canon Comment
  UC1929496  Eriophyllum ambiguum var. paleaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10480 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  CAS-BOT-BC297337  Eriophyllum confertiflorum Peter H. Raven 1958-5-17 12937 Riverside 3.4 miles SE of Banning on road to Idylwild, San Jacinto Mts Comment
  RSA689561  Eriophyllum confertiflorum Scott D. White, Michael Honer 2003-4-25 9110 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  SDSU20271  Eriophyllum confertiflorum Adrienne D. Russell, Tahirch Linz & Matt Guilliams 2000-4-29 123 Riverside Santa Margarita Ecological Reserve, Temecula, insect trail, mapping project for plant taxonomy class. Comment
  SEINET7073391  Eriophyllum confertiflorum A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR150013  Eriophyllum confertiflorum Scott D. White, Angelia Carey 2004-4-16 10157 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  RSA182343  Eriophyllum multicaule J. D. Olmsted 1962-5-2 3435 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  CAS-BOT-BC302037  Eriophyllum wallacei Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  RSA67309  Eriophyllum wallacei G. R. Campbell 1951-4-22 15999 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  UCR100175  Erodium brachycarpum Scott D. White 1993-3-3 1987 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  RSA771111  Erodium cicutarium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4731 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  UCR174066  Erodium moschatum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32619 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
  JEPS61396  Erodium texanum S. B. Parish 1913-2-28 8477 Riverside Mecca Salton Basin -60 Comment
  POM47109  Erodium texanum Mary F. Spencer 1918-4-12 761 Riverside Palm Springs, toward Indio 107 Comment
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Nov 20 2011
  RSA286798  Eryngium aristulatum var. parishii R. F. Thorne 1974-5-23 44662 Riverside Santa Rosa Plateau, Rancho California: top of Mesa de Colorado 625 Comment
  RSA336175  Eryngium aristulatum var. parishii R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51968 Riverside Santa Rosa Plateau: Mesa de Colorado 609 Comment
  RSA356742  Eryngium aristulatum var. parishii R. F. Thorne 1973-5-23 45524 Riverside Santa Rosa Plateau-Mesa De Colorado: Wet margin of vernal marsh 609 Comment
  CAS-BOT-BC54337  Erysimum capitatum Edmund C. Jaeger 1922-6-12 s.n. Riverside MacMullen Trail, east slope San Jacinto Mountains. 1127 Comment
  RSA0020237  Erythranthe breweri Duncan S. Bell, Valentin Arvizu 2010-5-10 979 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  SD136748  Erythranthe guttata Steve Boyd, Tim Ross 1992-5-5 7253 Riverside San mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails 730 Comment
  SD187481  Erythranthe guttata Scott D. White, Angelia Carey 2004-4-16 10186 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  RSA0018800  Erythranthe guttata Mary F. Spencer 1921-6-1 1709 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
  UCD96518  Eschscholzia androuxii Shannon M. Still; Robert Lee 2009-3-3 458 Riverside California. Riverside County: Joshua Tree National Park. Smoke Tree Wash. 847 Comment
  RSA0022931  Eschscholzia androuxii F. W. Peirson 1926-2-22 s.n. Riverside Thousand Palm canyon, near Indio. Comment
  UCR114323  Eschscholzia caespitosa Mitch Provance 1998-5-2 492 Riverside Jurupa Hills, Sunnyslope, along the E side of Sierra Blvd. 366 Comment
  SDSU14238  Eschscholzia californica Ingrid Poulin 2002-4-12 19 Riverside Santa Margarita Ecological Reserve; Red Mountain Truck Trail, 0.6 miles northeast of N. Stagecoach Lane. 203 Comment
  UCD94179  Eschscholzia californica Shannon M. Still 2008-3-19 288 Riverside California. Riverside County. 566 Comment
  UCR281243  Eschscholzia californica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 74 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  RSA3965  Eschscholzia glyptosperma Carl B. Wolf 1932-4-29 3104 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  POM126317  Eschscholzia minutiflora Thos. Craig 1927-4-2 s.n. Riverside Hidden Springs Canyon; Colorado Desert. Comment
  RSA278563  Eschscholzia minutiflora T. C. Emmel 1961-3-21 21 Riverside Chino Canyon Comment
  RSA0056409  Eschscholzia minutiflora James R. Shevock 1972-3-5 1368 Riverside Jeep Rd., Anza to Borrego Springs. Comment
  UCD95448  Eschscholzia papastillii John Wear 1995-3-22 s.n. Riverside Colorado Desert; wash along Eagle Mountain Road, N of I-10 near Desert Center. Comment
  JEPS123741  Eschscholzia parishii J. Andre, T. La Doux 2009-2-25 10804 Riverside Chuckwalla Mountains: approx. 0.5 mi south of I-10 freeway at Eagle Mountain Road Exit. Desert Center 7.5' USGS Quad. Comment
  UCSB18266  Eschscholzia parishii Day, Fran 1964-3-23 Riverside 4.2 miles N of south entrance to Joshua Tree National Monument 762 Comment
  SEINET10476299  Eschscholzia parishii David Charlton 1988-2-18 Charlton 1152 Riverside Alluvial Fan, S side of Little Sand Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree national Park, parallel to I-10. Creosote Bush Scrub. 5 mi. E of Jct. Dillon Rd. and Fargo Cyn. Rd. 762 Comment
  SDSU12879  Eucalyptus camaldulensis J. Jill Steinberg, Leon Steinberg 1998-4-5 36 Riverside Ca. 50 yards north of abandoned trailer northwest of entrance gate to Santa Magarita (SDSU) Field Station, in abandoned grove of Eucalyptus just south of small stream. 311 Comment
  UCR113149  Eucalyptus camaldulensis A. C. Sanders 1998-3-11 21656 Riverside Shipley/Skinner Reserve, SW of Crown Valley in upper Rawson Canyon area 595 Comment
  IRVC27459  Eucalyptus gomphocephala A. C. Sanders, O. F. Clarke 1992-3-17 12069 Riverside University of California, Riverside Comment
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Sep 10 2011
  HSC92877  Eucrypta chrysanthemifolia Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  SD137734  Eucrypta chrysanthemifolia var. chrysanthemifolia Darin L. Banks, Steve Boyd 1995-4-5 159 Riverside Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail. 609 Comment
  CLARK-A1045-871  Eucrypta micrantha George K. Helmkamp 1978-6-1 #3 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  JEPS22524  Eucrypta micrantha Rimo Bacigalupi with Paul Hutchison 1958-2-19 6186 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts); Big Maria Mts. 167 Comment
  SEINET10739487  Euphorbia David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3635 Riverside Found near Quad 6 on the Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  UCR133322  Euphorbia albomarginata John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR199620  Euphorbia albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  CDA35314  Euphorbia eriantha G. D. Barbe 1978-5-3 2377 Riverside Chuckwalla Mountains; Corn Springs Wash at end of road, 3.2 miles west of Corn Springs Campground. 0 Comment
  UCR112972  Euphorbia eriantha B. G. Pitzer, T. Tennant 1998-2-21 3538 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10. 427 Comment
  UCR260829  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-3-11 41397 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  UCR26784  Euphorbia misera A. C. Sanders 1982-3-20 2441 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, S end of Whitewater bench, above a small dirt road to the top of the bench and overlooking I-10 Comment
  RSA220978  Euphorbia peplus E. W. Lathrop 1966-5-8 6410 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR104829  Euphorbia polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-5 2664 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR162761  Euphorbia polycarpa John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCR153426  Euphorbia polycarpa var. hirtella Scott D. White 2000-3-23 7635 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  UCR202586  Euphorbia serpillifolia subsp. serpillifolia Scott D. White, Justin M. Wood 2008-7-8 12375 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  OBI42536  Euphorbia spathulata Robert F. Thorne, Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60654 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  RSA525338  Euphorbia spathulata Steve Boyd, David E. Bramlet 1990-4-29 4468 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  SEINET10741473  Eustoma exaltatum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12840 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  RSA561522  Euthamia occidentalis Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7674 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  CAS-BOT-BC428029  Fabaceae L. Nye; G. Gust 2005-3-11 56 Riverside Lake Elsinore. Ca. 2 miles SW of intersection of I-15 and Rt. 74. Hotel parking lot on Auto Center Dr. 399 Comment
  CAS-BOT-BC171042  Fagonia laevis Roxana S. Ferris 1939-3-29 9708 Riverside Between Hayfields Reservoir and Desert Center, Indio-Blythe Highway Comment
  RSA78454  Fagonia laevis Verne Grant, Alva Grant 1952-4-1 17521 Riverside 9 miles E of Mecca Comment
  SBBG3963  Fagonia laevis H. and M. Dearing 1936-12-25 966 Riverside 10 mi N of Indio on Aqueduct Rd [Long Cyn] Comment
  UC867880  Fagonia laevis P. A. Munz and D. Keck Apr 9 1922-Apr 22 1922 4790 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  UCSB9887  Fagonia laevis Beeks, Richard 1952-4-4 Riverside 7 miles North of Mecca, in Box Canyon Comment
  SEINET3005077  Fagonia pachyacantha G. Rink 2011-5-1 10515 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCD170915  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) and south of Nuevo Rd., between San Jacinto River and Nuevo. 433 Comment
  UCR139982  Fatoua villosa A. C. Sanders 2004-8-10 28766 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
  UCR85179  Festuca microstachys A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16176 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
  UCR2409  Festuca myuros F. M. Reed 1926-6-14 59 Riverside San Jacinto Mtns., Banning Road near Point View [=Vista Grande?], west of Idyllwild 1768 Comment
  UCR84607  Festuca myuros Scott D. White 1994-4-21 1956 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR2418  Festuca octoflora F. M. Reed 1908-4-26 2317 Riverside Riverside. Along Crestmore railroad north of Fairmount Park Comment
  UCR85323  Festuca octoflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16170 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
  UCR97888  Festuca octoflora A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19855 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA387352  Filago arizonica Steve Boyd 1986-4-10 1642 Riverside Temescal Canyon: Along DePalma Rd between Indian Truck Trail and Horsethief Canyon. 1 mi. E of Indian Truck Trail. Comment
  RSA316416  Filago californica R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55398 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA339654  Filago californica R. F. Thorne, C. W. Tilforth 1980-5-28 54230 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UCR213280  Filago californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37693 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR274193  Filago californica T. B. Salvato, Gregg Miller 2005-6-7 1435 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 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
  UCR15606  Filago gallica George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  RSA586503  Filago gallica D. L. Banks, S. D. Boyd 1995-5-9 0334 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA182257  Fouquieria splendens Robert F. Thorne, James Henrickson 1963-3-29 32440 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 534 Comment
  POM243959  Frangula californica subsp. californica Percy C. Everett 1935-6-17 7137 Riverside Coldwater Can. , trail to Santiago Pk. 1/3 mi. above Glen Ivy Resort. 457 Comment
  RSA652638  Frangula californica subsp. californica Jerry Wilk 1969-5-24 s.n. Riverside 10 mi. past Lake Fillmore towards [Idyllwild]. Comment
  UC1122129  Frankenia salina A. Lewis May 1934 457 Riverside Lakeview Elsinore Quadrangle Comment
  UCR59803  Frankenia salina Jeri Hirshberg 1989-7-20 s.n. Riverside Vicinity of Lake Skinner: drainage west of dam Comment
  RSA557902  Fritillaria biflora Steve Boyd, Orlando Mistretta 1992-4-22 7013 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA770433  Galium angustifolium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4566 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JEPS56069  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4239 Riverside near Maple Creek crossing of road running due e from Vista Grande Guard Station San Jacinto Mts. (open n slope) Comment
  UCR174053  Galium aparine A. C. Sanders 2006-5-19 32430 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
  RSA706290  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1279 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  UC28214  Galium parishii H. M. Hall 1901-8-1 2598 Riverside vicinity of Tamarack Valley San Jacinto Mountains 2499 Comment
  UCR174546  Galium porrigens Jennifer H. Jones 2006-6-6 397 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  CLARK-A1528-7747  Garrya flavescens John C. Roos 1950-5-6 4788 Riverside Santa Ana Mountains 1036 Comment
  UCR26369  Garrya flavescens A. C. Sanders 1981-7-11 2211 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  UC1930170  Gastridium phleoides Scott D. White, Michael Honer 2003-6-3 9463 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  SD148102  Gaura drummondii A. C. Sanders, Steven R. Hill 2001-5-4 24127 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Road, along bottom of canyon west of junction of Ave. Pina Colada. 345 Comment
  UCR117668  Gayophytum diffusum T. Schram, D. Wappler 1994-7-15 s.n. Riverside San Jacinto Mtns., Fuller Mill Creek 1646 Comment
  UCR4659  Gayophytum heterozygum Frank C. Vasek 1964-7-19 640719- 01 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  UCSB4350  Gayophytum ramosissimum Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  SEINET10859115  Gazania linearis Nye Leith, Greg Gust 2005-3-11 Nye 68 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  CAS-BOT-BC303575  Geraea canescens L. R. Abrams 1926-3-26 11093 Riverside Between Edom and Garnet, E of San Gorgonio Pass Comment
  CAS-BOT-BC303585  Geraea canescens Frank W. Peirson 1921-3-23 2782 Riverside 10 miles SE of Palm Springs Comment
  OBI26134  Geraea canescens David J. Keil 1976-12-12 11914 Riverside 5 mi E of Indio along I-10 Comment
  RSA726517  Geraea canescens Naomi Fraga, Lisa Rojas 2005-2-10 1405 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SEINET4344937 Image available Geraea canescens Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  UCSB20929  Geraea canescens Muller, Katherine 1965-4-27 Riverside At edge of Indio Comment
  UCR156460  Gilia T. B. Salvato, A. C. Sanders 2005-5-17 902 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR178830  Gilia Jeffrey Ross 1998-5-7 MOR- 079 Riverside San Bernardino Mtns., Morongo Indian Reservation, Wood Canyon, just below tree stand W-05 1159 Comment
  RSA523916  Gilia achilleifolia subsp. multicaulis G. H. True 1935-2-26 17 Riverside Mockingbird Canyon. 366 Comment
  POM293649  Gilia angelensis Lyman Benson 1946-4-15 12029 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  RSA628246  Gilia angelensis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1335 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  UCR177945  Gilia angelensis Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 027 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR213626  Gilia angelensis A. C. Sanders, Matthew Malle 2010-4-23 37998 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA774891  Gilia capitata subsp. abrotanifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5032 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  SJSU11612  Gilia capitata subsp. abrotanifolia N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 5 mi E of E shore, Lake Elsinore Comment
  RSA717335  Gilia minor Scott D. White, Jennifer H. Jones 2005-5-24 10913 -B Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  SEINET3087440 Image available Gilia ochroleuca subsp. exilis Andrew C. Sanders, B. Pitzer 1986-4-30 6475 Riverside San Jacinto Mtns.; lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  UCR44192  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  RSA0116979  Gilia scopulorum Duncan S. Bell 2010-3-20 601 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  JOTR29593  Gilia stellata Andre, Jim 2006-4-26 6772 Riverside Joshua Tree National Park. ridgetop W of upper Long Canyon, approx 0.5 mi. S. of radio tower and of NE corner (boundary) of park 1324 Comment
  JOTR34199  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2992 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  SD38838  Gilia stellata Edith A. Purer 1935-4-21 6485 Riverside Western edge of Colorado Desert. Comment
  RSA585812  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0346 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SEINET260219 Image available Glyceria elata M. Curto, L. Allen 1992-6-15 826 Riverside San Bernardino National Forest ; San Jacinto Mts NW of Pine Cove SBNF Rd 5S09 @ Stone Cr 1370 Comment
  UCR24914  Glyceria elata A. C. Sanders 1980-8-23 1767 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR241224  Glyceria occidentalis Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 514 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA519248  Gnaphalium californicum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  CAS-BOT-BC307399  Gnaphalium palustre A. C. Sanders; Guy Bruyea 2003-6-12 26886 Riverside Winchester, SW edge of town between Simpson Ave. and Olive Ave. ca. 1 km west of Hwy 79/Winchester Road 445 Comment
  CDA23611  Gnaphalium palustre Don Domenigoni 2008-9-3 s.n. Riverside Winchester, 33011 Holland Rd., at Hwy 79 and Rawson Rd. 0 Comment
  UCR112495  Gnaphalium palustre A. C. Sanders 1998-5-21 21868 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  UCR24938  Gnaphalium palustre A. C. Sanders 1980-7-22 1717 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  UCR85639  Gnaphalium palustre A. C. Sanders 1993-4-5 13688 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
  UCR13439  Gnaphalium stramineum A. C. Sanders 1973-5-25 00121 Riverside San Bernardino/upper Santa Ana River Valley, Santa Ana Riverbottom c. 0.5 mi upstream from Salt Lake Railroad bridge 216 Comment
  UCD132635  Gutierrezia californica A. C. Sanders 2004-6-30 28384 B Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, 1 mile east of Murrieta Road and 1 mile north of Bundy Canyon Road, ca. 5 miles due soutn of Sun City. 470 Comment
  RSA0094193  Gutierrezia sarothrae Duncan S. Bell, Evan Meyer 2014-10-29 7680 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  UC1213985  Gutierrezia sarothrae Otto T. Solbrig 1958-8-21 2773 Riverside on Hwy 74 11.1 mi e Keen Kamp Comment
  UCR150638  Gutierrezia sarothrae Bern Schwenn 1994-9-18 s.n. Riverside Joshua Tree National Monument, E side of Little San Bernardino Mountains, in small canyon SE of Bernard Peak 1451 Comment
  VVC1350  Haplopappus acradenius A. C. Sanders, J. Mac 1996-11-23 19659 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  UCR49373  Harpagonella palmeri Steve Boyd 1986-3-9 1396 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  RSA0066608  Harpagonella palmeri Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4605 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA0066612  Harpagonella palmeri D. L. Banks 1997-3-29 1652 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside/San Diego County line border. 463 Comment
  UCR112991  Hedypnois cretica Mitch Provance 1999-5-4 1681 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCD132795  Helianthus annuus K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  POM319674  Helianthus annuus subsp. lenticularis Patricia Wilder 1971-9-29 5270 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  CAS-BOT-BC305618  Helianthus californicus Ralph Hoffman 1929-9-7 s.n. Riverside San Jacinto Mt. 1828 Comment
  CHSC356  Helianthus gracilentus V. Holt 1942-3-29 Riverside Santa Rosa mountains. Comment
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Feb 10 2009
  UCR145972  Helianthus gracilentus June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR3836  Helianthus gracilentus John Minnich 1964-6-5 640605- 02 Riverside Santa Ana Mtns, Hwy 74 610 Comment
  RSA356648  Heliotropium curassavicum var. oculatum R. F. Thorne 1975-8-29 47310 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  UCR151128  Hemizonia paniculata Scott D. White 1998-10-9 7170 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  UCR220307  Hemizonia paniculata Bill Wagner 2005-10-7 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  UCR110917  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22816 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR213882  Hemizonia pungens subsp. laevis Scott D. White 2009-8-10 13353 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, from Rancho California Road to Cherry Street 313 Comment
  RSA785471  Hemizonia pungens subsp. pungens Jeremiah George 2011-8-9 s.n. Riverside Moreno Valley, NW corner of Indian St. and Nandina Ave. 450 Comment
  RSA605748  Herniaria hirsuta subsp. cinerea A. C. Sanders, G. Helmkamp 1996-3-17 17986 Riverside Coachella Valley; Palm Springs, mouth of Palm Canyon, 0.5km E of Palm Canyon Dr. on Bogert Trail 163 Comment
  SEINET3886959  Hesperocallis undulata Elizabeth Neese 1979-4-11 7107 Riverside Ca 3 mi S of Rue, ca 40 mi NW of Blythe.; 0 Comment
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Jul 19 2015
  CLARK-A1528-4388  Hesperocnide tenella John C. Roos 1937-2-21 1296 Riverside La Sierra Comment
  UCR114810  Heterotheca grandiflora Mitch Provance 1998-2-6 22 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.45 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 351 Comment
  RSA0075888  Heterotheca grandiflora Doris Bowers 1972-4-15 1825 Riverside Pulgas Creek Wash mouth, Rancho California 396 Comment
  RSA0075891  Heterotheca grandiflora Carol Zuck 1981-2-16 40 Riverside On I-74, 14.8 miles southeast of Santa Rosa Rd. overlooking Elsinore. Comment
  UCR58452  Heterotheca sessiliflora subsp. fastigiata George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  HSC66721  Hibiscus denudatus Christopher Davidson, Josephine Jones 1980-4-4 9961 Riverside W end of Orocopia Mtns., canyon and wash S of Oro Peak 518 Comment
  CAS-BOT-BC312332  Hieracium albiflorum Mary F. Spencer 1919-7-5 1343 Riverside San Jacinto Mts. 1645 Comment
  POM360445  Hieracium albiflorum E. C. Jaeger 1921-7-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  RSA0107461  Hilaria rigida Duncan S. Bell 2011-9-30 2944 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  SD71776  Hirschfeldia incana Helen V. Witham 1969-7-2 184 Riverside DeLuz Creek crossing, 4 miles north of DeLuz (mak 6/06) 249 Comment
  UC68501  Hoffmannseggia glauca L. A. Greata Apr 1905 436 Riverside near Coachella Comment
  CAS-BOT-BC207565  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well, Colo Desert Comment
  LA39345  Hoffmannseggia microphylla Annie M. Alexander; Louise Kellogg 1941-5-17 2192 Riverside near Dos Palmas Comment
  RSA0080315  Hoffmannseggia microphylla Sarah J. De Groot, Duncan S. Bell, Cheryl Sevilla 2015-2-10 7359 Riverside Bear Creek drainage, east fork; east side of Santa Rosa Mountains, south of La Quinta, west of Lake Cahuilla. 195 Comment
  RSA0034422  Holodiscus microphyllus M. B. Dunkle 1933-7-19 3690 Riverside Tahquitz Peak. 2683 Comment
  UCD85628  Hordeum depressum A. C. Sanders; Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin. San Jacinto River Valley. S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 miles NW of San Jacinto. 445 Comment
  UCR26284  Hordeum intercedens John C. Roos 1952-4-23 5571 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 427 Comment
  UCR266826  Hordeum intercedens D. E. Bramlet, M. Tucker, T. Huntley 2005-6-14 3880 A Riverside San Jacinto Valley, Bloome property, 540 m north of San Jacinto River, 3150 m east of Davis Rd. at San Jacinto Wildlife Area, south of Mystic Lake Duck Club 433 Comment
  UC1931202  Hordeum marinum subsp. gussoneanum Scott D. White, Justin Wood 2008-6-19 12256 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  RSA314629  Hordeum murinum subsp. leporinum R. F. Thorne, Drs Fosberg, Sachet, Herbst 1983-4-23 55420 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  CAS-BOT-BC148555  Horkelia clevelandii Scott D. White 1996-8-1 4431 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area - San Jacinto Mts. 1828 Comment
  RSA0018955  Horkelia clevelandii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 692 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG2937  Horkelia clevelandii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley Comment
  POM230988  Horsfordia alata Marjorie D. Clary 1932-3-15 173 Riverside Canyons southwest of Coral Reef Ranch, Coachella at base of Santa Rosa Mountains. 152 Comment
  CLARK-A1528-1949  Hulsea heterochroma John C. Roos 1947-3-15 3325 Riverside San Jacinto Mountains 1066 Comment
  UCSB26717  Hulsea heterochroma Wilken, Dieter 1969-6-30 Riverside Dark Canyon, along Riverside County Road R1, 7.0 miles northeast of Idyllwild, San Jacinto Mtns. 1645 Comment
  CAS-BOT-BC312591  Hulsea vestita subsp. callicarpha S. B. Parish; W. F. Parish 1880-7-1 531 Riverside Strawberry Valley, San Jacinto Mt. Comment
  RSA278971  Hymenoclea salsola B. A. Prigge 1978-3-23 2420 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA480011  Hymenoclea salsola Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2132 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR120858  Hymenoclea salsola Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  UCR166854  Hymenoclea salsola Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  CAS-BOT-BC312629  Hymenopappus filifolius var. lugens Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  RSA78308  Hymenopappus filifolius var. lugens P. A. Munz, E. K. Balls 1952-8-21 17987 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UCR120197  Hypochaeris glabra Mitch Provance 1998-3-6 143 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  UCR281526  Hypochaeris glabra Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 94 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  CAS-BOT-BC219765  Hyptis emoryi D. B. Dunn; H. Brown; E. McClintock 1947-3-15 2864 Riverside Pushawalla Canyon, Indio Hills Comment
  JEPS63229  Hyptis emoryi Marjorie Clary 1934-3-3 Riverside w Indio Mtn. (18 mi w of Indio, Carrizo Canyon); w of Indio Mtn., Carrizo Canyon 304 Comment
  JOTR36090  Hyptis emoryi La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3317 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  LA61521  Hyptis emoryi Mary F. Spencer; 1922-4-5 296 Riverside Eagle Canyon, Palm Springs Comment
  RSA790626  Hyptis emoryi Aaron C. Sedgwick, David Fraker 2012-4-24 7 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  SEINET3004987  Hyptis emoryi G. Rink, M. Baker 2011-4-2 10414 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  UCD124913  Hyptis emoryi Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UCR19130  Hyptis emoryi John C. Roos 1965-12-4 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 2 mi. SE of Desert Center 366 Comment
  RSA0056404  Hyptis emoryi James R. Shevock 1970-12-12 557 Riverside Box Canyon, Hwy. 195. 219 Comment
  SEINET1907382  Ipomoea murucoides Robin Salter 1995-1 Riverside Riverside: tree in the yard of E. Johnson, Blaine Street at Mt. Vernon. Origin unknown, but this is an old house and the tree may have been there for some time. Comment
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Aug 19 2015
  JEPS19096  Isocoma acradenia var. eremophila S. B. Parish 1921-10-12 8350 Riverside Mecca Salton Basin -57 Comment
  RSA125962  Isocoma acradenia var. eremophila E. K. Balls, P. C. Everett 1957-11-5 22756 Riverside Just S. of Thermal, State Hwy. 111 30 Comment
  RSA775089  Isocoma acradenia var. eremophila Duncan S. Bell, Amber Swanson 2011-2-18 2041 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  RSA186222  Isocoma menziesii var. vernonioides L. B. Ziegler 1966-10-16 s.n. Riverside Soboba Indian Reservation, hills NW of San Jacinto, 549 Comment
  RSA777284  Isomeris arborea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4752 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  SEINET7048067  Isomeris arborea Steven R. Hill 2001-4-29 33544 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  POM13836  Iva axillaris subsp. robustior P. A. Munz 1922-7-3 5946 Riverside Vandeventer Flat. 1372 Comment
  JOTR32332  Ivesia saxosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2454 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  RSA552691  Jepsonia parryi Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-26 6699 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  SD237479  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 (Riverside West 7.5'Q) 238 Comment
  UCR59816  Juncus balticus Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. Comment
  POM1552  Juncus bufonius Phillip A. Munz 1918-4-27 2140 Riverside Between Temescal [Creek/ Valley] and Murietta Comment
  SBBG104066  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside western edge of Hemet, NE corner of intersection of Myers St and Devonshire Ave, 0.75 mi NE of the jct of Florida Ave (Hwy 74) and Warren Rd, just S of Tres Cerritos 460 Comment
  SD140239  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside Western edge of Hemet, 14 acre parcel at northeast corner of Intersection of Meyers Street and Devonshire Avenue, 3/4 mile northeast of the intersection of Florida avenue (Highway 74) and Warren Road, just south of Tres Cerritos. 459 Comment
  UCR157357  Juncus bufonius var. congestus Chris E. True, Robert Cox 2005-6-22 s.n. Riverside San Jacinto Mtns., north slope of the mountains near Azalea Creek, about 0.5 mile SW of the Twin Pines Ranch buildings 1067 Comment
  UC1106414  Juncus macrophyllus Peter Kamb 1948-7-11 1197 Riverside Hall Canyon San Jacinto Mts. (above stream) 1645 Comment
  RSA500570  Juncus macrophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3562 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR193494  Juncus oxymeris A. C. Sanders, Tim Thomas 2008-6-20 35542 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR156273  Juncus tiehmii T. B. Salvato, A. C. Sanders 2005-5-17 897 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA696125  Juncus torreyi A. C. Sanders, Mark A. Elvin, Jane Rodgers 2001-8-17 24598 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  UC126712  Juncus triformis F. M. Reed 1908-7-12 2481 Riverside Surprise Lake; San Jacinto Mountains Comment
  SEINET10879492  Juncus xiphioides J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12833 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  RSA450180  Juniperus californica A. R. Roos 1934-1-22 s.n. Riverside Morongo Canyon. Comment
  UC813449  Juniperus californica Lewis S. Rose 1936-12-24 36810 Riverside Palms to Pines Hwy 24 mi sw Indio; San Jacinto Mts. 1066 Comment
  RSA0069674  Justicia californica Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 4 Riverside In the Bear Creek drainage of the Santa Rosa Mountains. 2.3 air miles west of Lake Cahuilla; south of La Quinta; north of Devil Canyon; southwest of Coachella Valley. 193 Comment
  RSA778143  Justicia californica Jim Andre 2011-2-2 16217 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  SEINET2163665 Image available Justicia californica C. L. Hitchcock 1940-4-5 5965 Riverside 3 mi below Cottonwood Springs Comment
  UC729949  Justicia californica B. D. Stark 1932-6-17 3753 Riverside e. end Box Canyon; Colorado Desert, Eagle Mts., Box Canyon 182 Comment
  RSA780238  Kallstroemia californica Stephanie Rockwood, Christi Gabriel 2011-10-12 95 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  UCR140706  Keckiella antirrhinoides A. C. Sanders 2004-5-12 27863 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR233579  Keckiella antirrhinoides A. C. Sanders, John F. Green 2012-4-12 40039 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 Comment
  CAS-BOT-BC236716  Keckiella antirrhinoides subsp. antirrhinoides John Thomas Howell 1930-5-10 4796 Riverside Top of St. John's Grade Comment
  SBBG26856  Keckiella antirrhinoides subsp. antirrhinoides I. W. Clokey with E. G. Anderson 1935-4-16 Riverside E of Hemet, along San Jacinto River 600 Comment
  SEINET10956018  Keckiella antirrhinoides var. antirrhinoides Greg Gust, Leith Nye 2005-3-11 Gust 544 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  CAS-BOT-BC246206  Keckiella rothrockii F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  POM10203  Keckiella rothrockii subsp. jacintensis Charlotte M. Wilder s.n. Riverside Dry hills beow Tahquitz. Comment
  RSA293260  Keckiella ternata subsp. ternata D. C. Michener 1980-6-11 3676 Riverside Thomas Mtns. Semi-open chaparral Pinus transition ca 1.7 mi. along Thomas Mtn road [6S13] from jct with CA 74 near Lake Hemit. 1450 Comment
  RSA674939  Koeleria macrantha Scott D. White, Bill La Haye 2000-5-27 7948 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  CAS-BOT-BC61419  Krameria bicolor Ivan Johnston 1917-4-4 1097 Riverside Mouth of Andreas Canyon Comment
  CAS-BOT-BC61436  Krameria bicolor Annie M. Alexander; Louise Kellogg 1941-5-14 2166 Riverside Near Shaver Summit 502 Comment
  LA205729  Krameria bicolor A. M. Johnson; 1933-4-28 4226 Riverside Indian Wells, highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  SBBG46421  Krameria bicolor C. H. Muller 1952-5-20 9512 Riverside Whitewater Cyn Comment
  SD128679  Krameria bicolor Darley F. Howe 1980-4-15 Riverside 5 miles west of Mesa Verde, south slope of McCoy Mountains, Highway 10 Comment
  CAS-BOT-BC43703  Krameria erecta F. H. Billings 1931-4-13 s.n Riverside Palm Springs Comment
  JOTR34065  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2963 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  UCD166268  Krameria erecta Jack Major 1962-4-17 784 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 900 Comment
  RSA0119996  Krameria grayi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9087 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA408613  Krameria grayi N. C. Cooper 1944-7-15 1553 Riverside Palm Springs. 122 Comment
  UC168028  Krameria grayi S. B. and W. F. Parish April, 1882 Riverside Agua Caliente Comment
  UCR239247  Krameria grayi Andrew Monks, Jackie McConnaughy, Malia Volke 2010-1 036 Riverside Colorado (Sonoran) Desert, Hwy 177 north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  SDSU13575  Lactuca serriola W. Miller 1972-8-9 Riverside Comment
  UC485370  Laennecia coulteri F. M. Reed 1907-10-6 1971 Riverside Sheep ranch at head of Mockingbird Canyon, at crossing of Elsinore Road, foothills SE of Riverside 426 Comment
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Oct 6 2017
  POM12138  Lamarckia aurea Mary F. Spencer 1921-5-28 s.n. Riverside Near San Jacinto 549 Comment
  RSA795949  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-19 268 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA0084167  Langloisia setosissima subsp. setosissima Steve Boyd, Orlando Mistretta 1986-3-13 1456 Riverside West side Palen Mts.: NE of Desert Center. Comment
  PASA1842  Larrea divaricata R. Peirce 1966-5-17 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  CLARK-A1528-4437  Larrea tridentata John C. Roos 1946-11-30 3161 Riverside Chuckwalla Mountains Comment
  HSC21920  Larrea tridentata J. J. Wagoner 1965-4-12 27 Riverside 8 mi. NE of Palm Springs in Whitewater Canyon. Comment
  RSA390014  Larrea tridentata Christopher Davidson, B. Gustafson 1977-4-7 5568 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  SD229309  Larrea tridentata Dick Schwenkmeyer 2013-6-11 916 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  UC55736  Lastarriaea coriacea H. M. Hall May, 1901 Riverside West Riverside Comment
  SEINET7073390  Lasthenia californica A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR152634  Lasthenia coronaria A. C. Sanders 2005-4-22 29588 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR88736  Lasthenia coronaria A. C. Sanders 1995-4-13 16498 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
  UCR91424  Lasthenia coronaria Scott D. White 1995-3-30 2657 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR90765  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1995-5-5 2407 Riverside Perris-Aguanga Basin region, 7.5 km west of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs) 435 Comment
  UCR92635  Lasthenia glabrata subsp. coulteri G. R. Ballmer 1996-4-14 s.n. Riverside Perris-Aguanga Basin, Lake Elsinore area, south of Hwy I-15 along east side of Nichols Road 384 Comment
  SBBG104098  Lasthenia gracilis A. C. Sanders 1993-4-5 13694 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 (St Hwy 74) 460 Comment
  UCR16886  Lasthenia gracilis J. Texera 1970-4-30 15 Riverside San Jacinto Mtns, 1 mi above Lake Hemet, just off Hwy 74 1341 Comment
  UCR91211  Lasthenia gracilis A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18070 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  UCSB40450  Lasthenia gracilis Ochs, Clifford 1980-3-25 Riverside On N. side of State Highway 79, 15 miles W. of Vail Lake 274 Comment
  RSA93014  Lasthenia microglossa F. W. Peirson 1919-4-14 1376 Riverside Shelter of high wall of rock, Murray Canyon near Palm Springs. 488 Comment
  CSUSB1275  Lathyrus laetiflorus Carole Sims 1965-3-14 Riverside Roadside, 2-3 miles east of Temecula toward Vail Ranch. 335 Comment
  RSA406640  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-4-22 1130 Riverside Banning 701 Comment
  UC62907  Layia platyglossa H. M. Hall 1902-4-21 2935 Riverside vicinity Riverside 487 Comment
  RSA660550  Layia platyglossa subsp. campestris Bruce Albert 1982-4-17 9 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA450741  Layia platyglossa subsp. platyglossa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  CAS-BOT-BC274339  Leersia oryzoides A. C. Sanders; O. F. Clarke; C. N. P. S. field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake Comment
  RSA90128  Lemna minor E. K. Balls, Percy C. Everett 1953-8-19 18537 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  RSA563906  Lepidium dictyotum A. C. Sanders 1993-4-1 13669 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
  CAS-BOT-BC89439  Lepidium fremontii H. M. Hall 1905-4-1 5844 Riverside Colorado Desert. Canyon Springs. Comment
  LA204439  Lepidium fremontii Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  POM147643  Lepidium fremontii F. M. Reed 1927-3-20 5476 Riverside Mouth of Cottonwood Springs Canyon, 30 miles E of Mecca, Colorado Desert. 274 Comment
  RSA600181  Lepidium fremontii L. C. Wheeler 1959-12-27 7649 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  POM6614  Lepidium lasiocarpum P. A. Munz, L. T. Street, Williams 1919-3-25 2315 Riverside Palm Canyon. 243 Comment
  UCR228857  Lepidium nitidum A. C. Sanders, T. B. Salvato 2011-3-28 38823 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  UCSC000316  Lepidium virginicum var. medium I. J. Condit 2010-6-21 s.n. Riverside San Jacinto Mts., Strawberry Valley 1676 Comment
  RSA524601  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3916 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 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
  RSA586324  Lepidium virginicum var. virginicum D. L. Banks, S. D. Boyd 1995-5-3 189 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA723302  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), Just N. of Cedar & Mountain, NE end of Hemet Comment
  CAS-BOT-BC274377  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  UCR19659  Leptochloa uninervia John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  RSA715096  Leptodactylon californicum Sarah J. De Groot, Elizabeth A. Kempton 2006-3-16 5211 Riverside Along Hwy 243, N slope of San Jacinto Mountains. 730 Comment
  POM364532  Leptosiphon ciliatus Christopher Davidson 1975-6-16 2818 Riverside 2 miles N of Alandale station on road R1 from Idyllwild to Banning. 1646 Comment
  POM364642  Leptosiphon liniflorus N. C. Cooper 1949-6-29 4324 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA468576  Leptosiphon parviflorus E. C. Jaeger 1921-6-8 s.n. Riverside McMullen Trail [Banning to McMullen Flat] 1280 Comment
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Nov 5 2011
  RSA500182  Leptosiphon parviflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3537 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA92574  Leptosiphon pygmaeus subsp. pygmaeus J. C. Roos 1952-5-7 5619 Riverside Box Springs Mountains, north of Canyon Crest Heights 488 Comment
  JOTR32900  Leptosyne californica La Doux, Tasha, E. Babich, J. Galvin 2008-2-21 2941 Riverside Joshua Tree National Park. eastern edge of Hexie Mountains; Wilson Canyon, open coarse sandy bajada west of pull out for Silver Bell Mine 804 Comment
  UCR141256  Lessingia filaginifolia A. C. Sanders, Kelly Volansky 2004-10-6 28822 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
  CAS-BOT-BC339490  Lessingia glandulifera var. glandulifera Marcus E. Jones 1924-8-30 s.n. Riverside Taquitz [Tahquitz] trail Comment
  RSA506443  Lessingia glandulifera var. glandulifera Kathy Harper 1988-6-11 s.n. Riverside Bautista Canyon, lower end of Bautista Rd. Comment
  RSA588804  Lessingia glandulifera var. glandulifera D. L. Banks, Steve Boyd 1995-10-17 0757 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UC1287413  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 583 Riverside 4.7 mi e of Anza; Road to Santa Rosa Summit 1371 Comment
  UCR92299  Lessingia glandulifera var. glandulifera Scott D. White 1995-8-23 3592 Riverside San Jacinto Valley, San Jacinto River wash, just north of Florida Avenue (City of Hemet), near intersection with Schultz Rd. 549 Comment
  RSA388404  Leymus condensatus R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61183 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
  UC38168  Leymus condensatus H. M. Hall May 1899 1218 Riverside Smith Mt. San Jacinto Mountains Comment
  UCD87724  Leymus triticoides F. M. Reed 1926-5-20 5372 Riverside Riverside and vicinity. W of Temecula. Comment
  CAS-BOT-BC451637  Lilaea scilloides Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37422 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  RSA368915  Lilaea scilloides S. B. Parish 1890-03 s.n. Riverside Near Colton. Comment
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Sep 24 2016
  UCR60497  Lilaea scilloides R. F. Thorne 1973-5-23 43841 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  CAS-BOT-BC130876  Lilium parryi H. M. Hall 1901-6-1 2451 Riverside In the vicinity of Strawberry Valley 2438 Comment
  UCD105112  Limonium R. E. Riefner Jr. 2006-8-2 06 356 Riverside Temescal Valley, W side of I-15 Freeway, ca. 1.1 mi N of Temescal Canyon Rd. 289 Comment
  UC35014  Linanthus ciliatus Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  RSA618769  Linanthus dianthiflorus subsp. dianthiflorus L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Falls Creek, north side of Mount San Jacinto. 548 Comment
  UC52541  Linanthus floribundus subsp. floribundus H. M. Hall 1898-4-9 874 Riverside Temescal Mts. Comment
  RSA0022553  Linanthus jonesii J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24383 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA709880  Linanthus jonesii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4631 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  RSA741068  Linanthus lemmonii Scott D. White, Justin M. Wood 2008-6-5 12076 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR193897  Linanthus liniflorus A. C. Sanders, Mitch Provance 2008-7-11 35776 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
  UC23813  Linanthus pygmaeus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SDSU15057  Linaria maroccana Michael Scott 1986-4-19 15 Riverside Clinton Keith Road, Temecula, Calif. Plant was collected along roadside near the entrance to Santa Rosa Plateau Preserve. Comment
  RSA0010985  Lithophragma affine Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2124 Riverside Santa Rosa Mountains. Comment
  UCR49246  Loeflingia squarrosa Steve Boyd 1986-4-19 1699 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  JEPS69807  Loeseliastrum schottii W. L. Jepson and H. M. Hall 1901-5-30 1552 Riverside Temecula R. between Aguanga and Temecula; Temecula R. Comment
  RSA757823  Loeseliastrum schottii Michael Wall 2010-5-6 557 Riverside Morongo Wash, NE of Palm Springs, WNW of Flat Top Mountain. 164 Comment
  JOTR34009  Logfia depressa La Doux, Tasha, M. Harding 2010-4-7 2897 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA775384  Logfia filaginoides Duncan S. Bell 2011-4-10 2246 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UCR160934  Lomatium A. C. Sanders 1994-5-30 14598 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR162264  Lomatium dasycarpum S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR240625  Lomatium dissectum var. multifidum Tracy Tennant, Mitch Provance 1998-6-16 MOR- 410 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA0105317  Lomatium lucidum D. L. Banks 1997-2-23 1315 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UC56507  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1931 Riverside Temecula Creek 609 Comment
  UCR91592  Lomatium lucidum D. L. Banks 1995-4-11 0177 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail 829 Comment
  GMDRC1318  Lomatium mohavense J. Andre 2004-4-24 4276 Riverside Little San Bernardino Mountains: Joshua Tree NP: open Joshua Tree woodland, near roadside 1/2 mi. east of GeoTour Rd. Elev. 4493 ft. 1370 Comment
  JOTR31091  Lomatium mohavense La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2353 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  JOTR34206  Lomatium mohavense La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2998 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  POM13704  Lomatium mohavense subsp. longilobum P. A. Munz, I. M. Johnston 1922-5-21 5501 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  RSA85578  Lomatium vaginatum J. C. Roos 1952-4-2 5455 Riverside At Edgemont near Box Springs. 488 Comment
  CAS-BOT-BC198546  Lotus Ynez Whilton Winblad 1937-2-15 s.n. Riverside Near Palm Springs. Comment
  RSA406124  Lotus argophyllus var. argophyllus N. R. Zabriskie, Walter M. Zabriskie 1973-4-6 628 Riverside South side of stream, Andreas Canyon, E slope San Jacinto Mountains 366 Comment
  RSA406727  Lotus argophyllus var. argophyllus P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA735901  Lotus corniculatus Scott D. White, Justin M. Wood 2008-6-24 12290 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  UC489022  Lotus grandiflorus C. V. Meyer 1929-6-13 751 Riverside Idyllwild Grade San Jacinto Mts. 1524 Comment
  RSA406140  Lotus grandiflorus var. grandiflorus N. C. Cooper 1949-6-29 4334 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA715760  Lotus hamatus A. C. Sanders 2005-4-22 29601 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  RSA32421  Lotus heermannii N. C. Cooper 1944-5-6 1167 Riverside Whitewater Canyon. 457 Comment
  UC15749  Lotus heermannii H. M. Hall Jun 1901 2021 Riverside s side San Jacinto Mountains 1219 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
  JEPS27796  Lotus oblongifolius var. oblongifolius I. W. Clokey and E. G. Anderson 1935-8-21 6722 Riverside Fuller Creek San Jacinto Mts. 1500 Comment
  JEPS55548  Lotus oblongifolius var. oblongifolius Carl V. Meyer 1928-7-24 516 Riverside Falls Creek Idyllwild 1889 Comment
  UCR171137  Lotus purshianus John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  JOTR31879  Lotus rigidus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2133 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  RSA6200  Lotus rigidus B. D. Stark 1932-6-5 1514 Riverside Palms to Pines Road 1067 Comment
  RSA0018564  Lotus rigidus Keith E. Hoffmaster 1937-6-6 808 Riverside San Jacinto Mtns: along Palms to Pines highway. 610 Comment
  JOTR31043  Lotus scoparius var. brevialatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2027 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  RSA500215  Lotus scoparius var. brevialatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3528 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR41236  Lotus scoparius var. brevialatus N. M. Fellows 1984-3-20 01 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  RSA543189  Lotus scoparius var. scoparius Steve Boyd 1991-5-2 6109 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  PASA1110  Lotus strigosus 1930-1 Riverside Painted Canyon Comment
  RSA586300  Lotus strigosus D. L. Banks, S. D. Boyd 1995-5-3 0211 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SEINET7063445  Lotus strigosus A. G. Vestal 1947-3-30 s.n. Riverside Intersection 5 miles south of Winchester on the Winchester Road (Route 79) at French Valley. UTM Zone 11, 492195mE, 3722513mN. (WGS84/NAD83). 460 Comment
  UC1286987  Lotus strigosus C. L. Hitchcock 1966-3-20 24316 Riverside 5 mi n Milpitas Wash (and 12 nw of Blythe-Glamis road) Comment
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Mar 2 2013
  UCR158505  Lotus strigosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30038 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
  UCR177861  Lotus strigosus Marisa Sripracha, K. A. Boyd 2004-3-21 043 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR214121  Lotus strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37727 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
  JOTR01080  Lotus strigosus Cole, James E. 1941-5-4 693 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  UCR250558  Lotus strigosus var. strigosus A. C. Sanders 2014-4-9 41001 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  UCR116612  Lotus strigosus var. tomentellus A. C. Sanders 2001-3-20 23841 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  RSA406380  Lotus tomentellus Robert Gustafson 1978-3-22 836 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  RSA517840  Lotus tomentellus Bob Boyd, Orlando Mistretta 1986-3-13 1471 Riverside NE of Desert Center. Comment
  UCR78631  Ludwigia peploides subsp. peploides Scott D. White 1992-9-11 795 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  RSA0036701  Lupinus Robert F. Thorne 1973-5-23 43864 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA314163  Lupinus andersonii Walter Wisura 1983-6-25 3910 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  SEINET10488451  Lupinus andersonii David B. Dunn 1946-8-17 Dunn 2704 Riverside Trail to taquity from taquity village campground. In dry soil under pines among bracken ferns. 2545 Comment
  POM349940  Lupinus arizonicus Robert Gustafson 1983-3-27 2491 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  POM349946  Lupinus arizonicus L. N. Goodding 1942-2-26 s.n. Riverside Indio region Comment
  POM46812  Lupinus arizonicus Mary F. Spencer 1920-3-16 1494 Riverside Mecca -60 Comment
  SBBG51129  Lupinus arizonicus N. R. Zabriskie, W. Zabriskie 1973-3-20 591 Riverside Coyote Cyn, tributary to Deep Cyn 365 Comment
  UCR88117  Lupinus arizonicus A. C. Sanders, G. Nuhn 1995-4-20 16591 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
  RSA763417  Lupinus bicolor Scott D. White, Justin M. Wood 2009-5-21 12880 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  SDSU17531  Lupinus bicolor Jerry Jenkins 2001-4-2 2001 -047 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  UC1537129  Lupinus bicolor Gordon H. True Jr. 1935-3-18 124 Riverside hills e Citrus Expt. Station (Box Springs); e of Citrus Expt. Station, Box Springs 365 Comment
  UCR154762  Lupinus bicolor T. B. Salvato, Kent Beaman 2005-5-16 789 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR173150  Lupinus bicolor Abby Sirulnik 2000-4-25 18 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR226081  Lupinus bicolor A. C. Sanders, T. B. Salvato 2011-4-1 38950 Riverside Peninsular Range, Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash 403 Comment
  RSA496384  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3061 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
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May 31 2008
  UCR124655  Lupinus bicolor subsp. microphyllus B. C. Templeton, I. W. Clokey 1930-4-9 1055 Riverside Moreno Pass 610 Comment
  JOTR16692  Lupinus concinnus Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  RSA770841  Lupinus concinnus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4945 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UC668380  Lupinus concinnus Annie M. Alexander and Louise Kellogg 1941-5-6 2127 Riverside 13 mi sw 29 Palms (Joshua Tree National Monument); , sw of 29 Palms 1371 Comment
  LA205090  Lupinus excubitus Elizabeth Levine; 1949-5-22 sn Riverside off the Pines to Palms Highway past Lake Hemet Comment
  LA205061  Lupinus excubitus var. austromontanus W. Pequegnat; March 1937 125 Riverside Santa Ana Mountains, Coldwater Canyon, E ridge Comment
  RSA748383  Lupinus excubitus var. austromontanus Justin M. Wood, Brandy Wood 2009-6-13 891 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  RSA561812  Lupinus hirsutissimus Steve D. Boyd 1992-4-14 6832 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UCR94943  Lupinus hyacinthinus Scott D. White 1996-8-16 4481 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  UCR180593  Lupinus microcarpus var. densiflorus Scott D. White, Angelia Carey 2004-4-5 9980 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UC150162  Lupinus shockleyi E. E. Schellenger Apr. 1911 Riverside Point of Rocks Whitewater (Whitewater); Colorado Desert, Whitewater Comment
  SBBG3699  Lupinus sparsiflorus H. and M. Dearing 1937-4-10 648 Riverside E of Banning Comment
  SBBG3700  Lupinus sparsiflorus H. and M. Dearing 1949-4-16 6750 Riverside Cottonwood Spring Rd Comment
  UC16021  Lupinus sparsiflorus H. M. Hall Apr. 1897 Riverside Winchester Comment
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Mar 20 2011
  UC194832  Lupinus sparsiflorus S. B. Parish 1906-5-13 10851 Riverside Cottonwood Springs; Colorado Desert Comment
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Oct 9 2010
  UCR245894  Lupinus sparsiflorus R. F. Thorne 1995-3-29 63013 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UCR272436  Lupinus sparsiflorus Cheryl Sevilla, Sarah J. De Groot 2015-3-18 040 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2.2 air miles north of the Whitewater Preserve Ranger Station, hillside east of the Whitewater River drainage 885 Comment
  RSA339705  Lupinus sparsiflorus subsp. sparsiflorus C. W. Tilforth 1980-5-28 54246 Riverside Whitewater river, 3.2 miles N of Whitewater Post Office and Hwy 10 Comment
  RSA86973  Lupinus sparsiflorus subsp. sparsiflorus F. W. Peirson 1921-3-19 7717 Riverside Whitewater Grade about 2 miles east of Banning Comment
  UC1537131  Lupinus succulentus Gordon H. True Jr. 1935-4-5 211 Riverside near Gavilan Peak Gavilan Hills; , Gavilan Hills 640 Comment
  UCR96913  Lupinus succulentus G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, SE of Arnold Heights & east of Alessandro Blvd. 460 Comment
  RSA414400  Lupinus truncatus Bonnie C. Templeton 1930-4-15 1486 Riverside Between Perris and Gavilan Peak. 500 Comment
  RSA772530  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4441 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UCR117092  Lupinus truncatus A. C. Sanders, T. B. Salvato 2001-5-16 24294 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
  UCR176898  Lupinus truncatus Tracy Tennant 1998-5-13 1017 Riverside Peninsular Range, Vail Lake outlet, Temecula Creek Canyon 488 Comment
  UCR225213  Lupinus truncatus T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5165 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  UCR87979  Lupinus truncatus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  SEINET3825223 Image available Lycium andersonii Philip A. Munz 1940-3-22 15653 Riverside Whitewater Canyon, 2 miles north of Boulevard from Banning to Indio Comment
  UCR89527  Lycium cooperi Bern Schwenn 1994-4-9 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine. In 3rd canyon on N side 1085 Comment
  RSA592025  Lythrum hyssopifolia E. W. Lathrop 1968-5-15 6878 Riverside 8 miles W of Murrieta; Redonda Mesa, Santa Rosa Plateau 610 Comment
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Jun 24 2012
  RSA585872  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0357 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  RSA192188  Madia gracilis E. W. Lathrop 1960-6-8 4919 Riverside 14 miles west of Murrieta Comment
  UCR107746  Madia gracilis D. L. Banks 1997-5-5 1991 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  UCR195127  Madia gracilis A. C. Sanders, Tim Thomas 2008-8-1 35956 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  RSA479915  Mahonia dictyota Steve Boyd 1987-11-23 2095 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  RSA496120  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3054 Riverside Vail Lake area, 0.75 miles N of dam, at edge of dissected bench, S flank Oak Mountain 518 Comment
  RSA0101004  Malacothamnus densiflorus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3546 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA561079  Malacothamnus densiflorus var. densiflorus Steve Boyd, Orlando Mistretta 1992-4-22 7006 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  CSUSB1447  Malacothamnus fasciculatus Karen Cook 1966-5-19 Riverside North-facing slope at foot of Mount Rubidoux, in Riverside. 243 Comment
  SD43520  Malacothamnus fasciculatus Philip A. Munz 1946-10-19 11570 Riverside Chaparral-covered slope of dry disintegrated granite; 3 miles east of Anza. 1219 Comment
  RSA613900  Malacothrix clevelandii A. C. Sanders, P. J. MacKay, Tim C. Thomas, O. F. Clarke 1997-5-4 20629 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  UCR41804  Malacothrix coulteri A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6029 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  POM362323  Malacothrix glabrata Ora M. Clark 1929-3-16 1718 Riverside NW Whitewater Comment
  UC481086  Malacothrix glabrata Geo. B. Grant May 1 1906-May 10 1906 Riverside Palm Springs Colorado Desert Comment
  UCR5957  Malephora crocea Nancy Robb 1966-4-13 s.n. Riverside Peninsular Range, 50 yards south of Blaine Street Reservoir [Box Springs Mtns. Foothills, Belvedere Heights], Riverside 290 Comment
  RSA629026  Malva pseudolavatera Scott D. White 1998-6-28 6800 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  CHSC8368  Marah macrocarpa Edward L. Smith 1957-4-3 254 Riverside Located at entrance to White Water Canyon. San Bernardino Mts. 579 Comment
  RSA441213  Marah macrocarpa M. V. Hood 1945-3-26 s.n. Riverside Aguanga. 610 Comment
  CLARK-A1703-1199  Marina orcuttii Robin L. Kobaly 1977-3-31 Riverside Santa Rosa Mountains 1402 Comment
  JEPS46238  Marina parryi H. M. Hall 1905-4-22 5846 Riverside Canyon Spring Colorado Desert Comment
  SD129346  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  UC1563114  Marina parryi Steve Boyd and Orlando Mistretta 1986-3-13 1425 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  RSA234066  Marsilea vestita R. F. Thorne, E. Lathrop 1969-5-19 37958 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  RSA357150  Marsilea vestita R. F. Thorne 1973-5-23 43846 Riverside Santa Rosa Plateau: Desiccated margin of large vernal pool N side of Mesa de Colorado 609 Comment
  UCR216239  Matricaria discoidea Mike Bell 2008-4-27 012 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 557 Comment
  RSA735854  Matricaria globifera Scott D. White, Justin M. Wood 2008-4-15 11877 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  RSA262114  Meconella denticulata E. W. Lathrop 1969-5-8 7021 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  SEINET2473431 Image available Melica frutescens Andrew C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 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-15 404 Comment
  UCR124097  Melica frutescens Steven R. Hill 2001-5-3 33666 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR2535  Melica frutescens F. M. Reed 1920-5-10 4490 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Murray Canyon 457 Comment
  CAS-BOT-BC281603  Melica imperfecta Frank W. Gould 1944-4-4 2207 Riverside 12 miles S of Corona on road to Elsinore Comment
  HSC92608  Melica imperfecta Miles Fellows 1982-5-5 Riverside Hills S of UCR campus. Comment
  SEINET244781 Image available Melica imperfecta A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-8 24204 Riverside Perris-Aguanga Basin; S of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. Comment
  SEINET7073447  Melica imperfecta A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR4062  Melica imperfecta Carole Sims 1965-4-28 s.n. Riverside San Jacinto Mtns., 2 mi from Banning railroad crossing on road [Hwy 243] to Idyllwild. 732 Comment
  UCR84642  Melica imperfecta Scott D. White, S. Ogg 1994-4-21 1982 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR98339  Melica imperfecta A. C. Sanders, G. Helmkamp 1997-3-15 19954 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 534 Comment
  JOTR31141  Menodora scoparia La Doux, Tasha 2009-6-3 1852 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  RSA575934  Mentha spicata Steve Boyd 1994-10-14 8395 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, steep rocky slope and bedrock pools in canyon bottom upstream from the confluence with Bluewater Canyon. 317 Comment
  UC64493  Mentzelia affinis H. M. Hall 1897-3-10 Riverside San Jacinto Lake Comment
  UCR108743  Mentzelia affinis Scott D. White 1998-3-3 6088 Riverside Sonoran (Colorado) Desert, La Quinta/ Palm Desert area, Whitewater River channel at and near Miles Avenue crossing. 30 Comment
  LA210644  Mentzelia affinis A. M. Johnson; 1933-2-23 4177 Riverside E of Cook's Ranch, 4 mi. NW of Indian Wells, W of wash. Comment
  RSA124076  Mentzelia involucrata Percy C. Everett, E. K. Balls 1958-4-29 23009 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  RSA517824  Mentzelia involucrata Steve Boyd, Orlando Mistretta 1986-3-13 1442 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR102746  Mentzelia involucrata B. G. Pitzer 1998-2-1 3445 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  RSA0038374  Mentzelia involucrata A. Lee Haines 1973-3-24 s.n. Riverside Orocopia Mountains. 457 Comment
  CHSC1020  Mentzelia involucrata var. megalantha V. Holt 1935-4-15 Riverside Colorado Desert. Comment
  UCD117238  Mentzelia involucrata var. megalantha P. C. Everett; E. K. Balls 1958-4-29 23016 Riverside U. S. Hwy 60/70, Indio to Blythe, 1 mile west of Cactus City. 548 Comment
  CHSC1024  Mentzelia veatchiana V. Holt 1935-4-16 Riverside San Jacinto Mountains. Comment
  RSA192016  Mentzelia veatchiana E. W. Lathrop 1959-4-16 4446 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  RSA741042  Mentzelia veatchiana Scott D. White, Angelia Carey 2004-4-16 10162 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR201420  Mentzelia veatchiana Scott D. White, Angelia Carey 2004-4-16 10162 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  RSA402616  Mesembryanthemum crystallinum Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Mecca. Comment
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Jun 5 2011
  UCR214695  Mesembryanthemum crystallinum A. C. Sanders 2010-3-25 37630 Riverside Sonoran (Colorado) Desert; Salton Trough, northeast side of the Salton Sea, Hwy 111 at Mortmar near North Shore (Desert Beach), near Marina Dr. -60 Comment
  RSA544397  Microseris douglasii subsp. douglasii Steve Boyd 1991-5-30 6324 Riverside Perris Valley, saline soil along San Jacinto River at crossing of I-215, 2 mi E of Perris Comment
  RSA648663  Microseris heterocarpa R. E. Riefner 1998-3-22 98 -184 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  UCR259199  Microseris heterocarpa Mitch Provance, Jeremiah George 2012-4-24 412- 10 Riverside San Gorgonio Pass, Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd. 735 Comment
  RSA606385  Microseris lindleyi Jon E. Keeley 1994-4-7 25294 Riverside Shipley Reserve, Study Site Sh 5. S. of Hemet, S end of Rawson Rd. 650 Comment
  SEINET10808319  Microseris lindleyi Mitch C. Provance 2003-4-26 Provance 9897 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. Grassy clay slopes with patches of coastal sage scrub (Hemizonia abundant) between 900 and 1200 ft., becoming bouldery between 1200 and 1400 ft. with coastal sage scrub (Salvia mellifera common). 274 Comment
  UCR228845  Microseris lindleyi A. C. Sanders, Nathan Moorhatch 2011-3-22 38788 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  UCR84878  Microseris lindleyi A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16123 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA0018784  Mimetanthe pilosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA0018789  Mimetanthe pilosa Naomi S. Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2424 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  SEINET238560  Mimetanthe pilosa George K. Helmkamp 1998-1 4104 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  RSA444467  Mimulus aurantiacus var. pubescens J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
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May 21 2011
  SEINET3159638  Mimulus bigelovii S. B. Parish 1907-4-22 6165 Riverside Western border of the Colorado desert. 200 Comment
  UCSB44893  Mimulus bigelovii var. bigelovii Collins, Elizabeth 1977-3-29 Riverside Corn Springs Campground; 8 miles south of Hwy. 10 457 Comment
  UCR113871  Mimulus cardinalis Mitch Provance, A. C. Sanders 2000-7-4 2090 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  SEINET9797064 Image available Mimulus fremontii Sharon McCormick 1976-5-16 Riverside James Reserve, Yellow Pine Forest Comment
  UC886151  Mimulus fremontii var. fremontii Carl B. Wolf 1932-8-6 3996 Riverside 2.9 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  CSUSB889  Mimulus guttatus R. D. Keys 1973-5-13 Riverside Box Springs Mountains Pigeon Pass Road, 1 mile above Riverside dump, 100 feet south of road along spring, in the Box Springs Mountains. 304 Comment
  UC886215  Mimulus guttatus I. W. Clokey 1935-8-21 6906 Riverside Hemet Lake 1220 Comment
  UCR232018  Mimulus guttatus John F. Green 2008-4-21 02- 01 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  UCR35255  Mimulus guttatus L. B. Ziegler 1969-6-12 377 Riverside San Jacinto Mtns, Hemet Valley (= Garner Valley) in sandy stream bed near Pine Meadows 1433 Comment
  UCSC000872  Mimulus guttatus Peter Kamb 1947-6-7 580 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  CLARK-A1528-868  Mimulus longiflorus Markell Kohn 1959-4-1 Riverside University of California Comment
  JEPS3007  Mimulus palmeri Frank W. Peirson 1929-5-4 Riverside summit St. John's Grade 792 Comment
  UC27074  Mimulus palmeri H. M. Hall 1901-6-22 2230 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  JOTR16849  Mimulus pilosus Moore, Sue 1968-6-19 s.n. Riverside Joshua Tree National Park. BARKER DAM 1280 Comment
  RSA444807  Mimulus pilosus J. C. Roos 1952-6-8 5745 Riverside Common along damp sunny bank with Helianthus gracilentus, etc., summit of Reche Canyon near Ferndale school. Comment
  UCR281212  Mimulus pilosus Mitch Provance, John Hazlett 2017-4-27 417- 26 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. 384 Comment
  CAS-BOT-BC388775  Minuartia douglasii Steve Boyd; Tim Ross; Dave Bramlet 1993-5-12 7340 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 426 Comment
  UCR119839  Mirabilis albida J. Zabriskie 1978-5-15 1129 Riverside Santa Rosa Mtns, Cactus Spring Trail, west of Horsethief Creek 1128 Comment
  SEINET186897  Mirabilis bigelovii var. retrorsa P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon 2 mi N of boulevard to Indio Comment
  UCR28958  Mirabilis californica var. californica M. G. McLeod, David J. Keil 1977-3-26 12008 Riverside 0.2 mi NW of Prado Dam on California Hwy 71 183 Comment
  RSA0048454  Mirabilis froebelii N. Kiner 1954-5-16 s.n. Riverside Pines to Palms Highway. 1066 Comment
  UC1228586  Mirabilis laevis var. crassifolia C. L. Hitchcock and C. V. Muhlick 1962-3-16 22148 Riverside Temescal Canyon, ca, 12 miles SE of Corona Comment
  RSA28054  Mirabilis laevis var. retrorsa I. L. Wiggins 1941-3-27 9696 Riverside 4 mi. north of Whitewater. Comment
  SD123928  Mirabilis laevis var. retrorsa Robert Thorne, Fosberg, et al 1983-4-23 55411 Riverside San Befrnardino Mountains; mouth of Whitewater Canyon, east of Whiotewater Post Office at south end of ridge, in sandy wash east of bridge and on base of west-facing slope of ridge. 410 Comment
  UC851739  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood Springs Comment
  RSA145505  Mirabilis laevis var. villosa Peter H. Raven 1960-3-16 14844 Riverside 2.2 miles west of Desert Center Comment
  UC212968  Mirabilis laevis var. villosa S. B. Parish 1918-4-3 11704 Riverside Lakeside Mountains 457 Comment
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Nov 20 2011
  RSA464620  Mirabilis multiflora var. pubescens E. A. McGregor 1963-11-6 s.n. Riverside Pines to Palms Hwy, between Palm Springs and Idyllwild. Comment
  UCR77587  Mirabilis multiflora var. pubescens Steve Boyd 1991-9-8 6434 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 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
  JOTR31938  Mohavea confertiflora La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2176 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  CAS-BOT-BC220029  Monardella breweri subsp. lanceolata B. D. Stark 1927-6-25 s.n. Riverside Near Cresmore [Crestmore], West Riverside 304 Comment
  SBBG128674  Monardella breweri subsp. lanceolata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Ortega Hwy (74), perhaps 1/4 mi W of El Cariso; Santa Ana Mtns Comment
  CAS-BOT-BC215500  Monardella nana Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  RSA761230  Monardella nana Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 725 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1499927  Monardella nana E. McClintock, H. Lewis 1941-6-29 77 Riverside Santa Rosa Mt. road, 1 mi beyond canyon where stream crosses road Comment
  POM307236  Monardella nana subsp. arida Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2112 Riverside Santa Rosa Mountains. Comment
  RSA750278  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 79 Riverside Road up Santa Rosa Mt. 4.5 miles beyond canyon where stream crosses road. Comment
  RSA750416  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 55 Riverside Road to Santa Rosa Mt. 0.1 miles from Pines to Palms Highway. Comment
  SEINET2442172  Monardella nana subsp. arida Unknownnown 1941-6-29 79 Riverside Road up Santa Rosa Mt. 41/2 miles beyond canyon where stream crosses road. Comment
  SEINET10582421  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 59 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  POM229026  Monardella nana subsp. tenuiflora P. A. Munz 1937-5-31 15114 Riverside Head of Coyote canyon 1067 Comment
  SEINET3101625 Image available Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Mojave Desert; Joshua Tree National Park, northeast end of Splitrock Picnic Area (Queen Mountain 7.5 Q.) 1327 Comment
  UCR132730  Monardella robisonii A. C. Sanders, Mark A. Elvin, Jane Rodgers 2001-5-11 24254 Riverside Mojave Desert, Joshua Tree National Park, Jumbo Rocks 1341 Comment
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Apr 21 2013
  SD224862  Monoptilon bellioides G. K. Helmkamp 1998-4-4 3165 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station. 305 Comment
  UC63199  Monoptilon bellioides H. M. Hall May 17 1901-Jun 1 1901 1836 Riverside e base San Jacinto Mt.; Colorado Desert 762 Comment
  RSA741013  Montia fontana Scott D. White, Justin M. Wood 2008-6-18 12230 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  CAS-BOT-BC267022  Muhlenbergia filiformis H. M. Hall 1901-6-1 2290 Riverside San Jacinto Mountains. Vicinity of Strawberry Valley 1615 Comment
  RSA574749  Muhlenbergia microsperma Steve Boyd 1982-5-20 s.n. Riverside Gavilan Hills region, southeastern flank of Estelle Mountain. 671 Comment
  JOTR33720  Muhlenbergia porteri La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1008 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  POM13204  Muilla maritima Philip A. Munz, I. M. Johnston 1922-5-20 5465 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
  RSA678948  Muilla maritima Scott D. White, Michael Honer 2003-6-3 9492 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR104939  Muilla maritima A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20699 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
  UCR113539  Muilla maritima Mitch Provance 1998-6-6 692 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCR266313  Myosurus minimus subsp. apus D. E. Bramlet 1991-5-3 2114 Riverside Perris-Aguanga Basin region, west of Hemet, Stetson Ave. 457 Comment
  SEINET3091511 Image available Nama demissa John Adams 1966-3-12 456 Riverside Hwy 74, 2 mi. above Palm Desert. Comment
  SD240927  Nama hispida var. spathulata Dave Silverman, Onkar Singh 2010-3-27 7862 Riverside McCoy Wash, N of Palo Verde Mesa, 4.95 km WSW of Mesaville siding, W of A Canal/Levee Blvd., & ca, 6.5 km N of Blythe Airport. 131 Comment
  JEPS75681  Nassella lepida W. L. Jepson 1935-4-21 17163 Riverside Wisser Valley Comment
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Apr 7 2009
  SBBG119058  Nassella pulchra S. D. White with M. Honer 2004-4-6 10060 Riverside Temescal Valley, just N of the I-15 Hwy and E of Indian Truck Trail, S and W of Lee Lake; T5S R5W S7, SW/4 & adjacent S12 335 Comment
  SEINET7072853  Nassella pulchra A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  RSA180317  Nasturtium officinale E. W. Lathrop 1964-5-24 5398 Riverside 8 miles west of Murrieta Comment
  CAS-BOT-BC109108  Nemacaulis denudata var. gracilis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 304 Comment
  RSA0078520  Nemacladus glanduliferus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 795 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCR127941  Nemacladus glanduliferus A. C. Sanders, G. Nuhn 1995-4-20 16580 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
  POM316395  Nemacladus glanduliferus var. glanduliferus P. A. Munz, D. D. Keck 1922-4-9 4824 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  SEINET10464882  Nemacladus glanduliferus var. orientalis Raven 1958-3-1 Raven 11748 Riverside U.S. Highway 95, 8.6 miles north of Blythe Comment
  CLARK-A1528-2374  Nemacladus longiflorus var. breviflorus John C. Roos 1937-4-18 1795 Riverside Snow Creek Comment
  RSA439263A  Nemacladus ramosissimus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA523536  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3995 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SEINET10461104  Nemacladus rubescens Mcneal 1979-4-20 MCNEAL s.n. Riverside Flash flood wash parallel to Highway 195, 9.9 miles southwest of its junction with Interstate 10 Comment
  SEINET10461122  Nemacladus rubescens Annie M. Alexander, Louise Kellogg 1941-4-24 Alexander 2085 Riverside Gorge of Dry Morongo Creek, Morongo Valley 640 Comment
  SEINET4853073  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio Mountain, Colorado Desert. 150 Comment
  UCR30096  Nemacladus tenuis var. aliformis George K. Helmkamp 1983-4-5 483- 45 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  JEPS7616  Nemacladus tenuis var. tenuis E. E. Schellenger Apr 1920 Riverside Chuckwalla Bench; Colorado Desert Comment
  JEPS1478  Nemophila menziesii W. L. Jepson 1939-4-17 19125 Riverside Corona Comment
  RSA659376  Nemophila menziesii Lydia Paneri 1982-4-17 48 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Comment
  SD7439  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  SD7444  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  UCR113165  Nemophila menziesii A. C. Sanders 1998-3-11 21683 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UC63801  Nemophila menziesii var. integrifolia H. M. Hall July, 1901 2266 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains 1554 Comment
  UCR140301  Nemophila menziesii var. menziesii A. C. Sanders 2004-4-9 27462 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR133427  Nicotiana attenuata Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 463 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA210980  Nicotiana bigelovii var. wallacei C. W. Tilforth 1969-7-27 230 Riverside West of Lake Elsinore, at summit along Hiway 74. Comment
  UC64780  Nicotiana clevelandii Charlotte M. Wilder 1904-5-11 174 Riverside Miller's Fork, Santa Ana River Santa Ana River (West Riverside) Comment
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Sep 5 2011
  RSA593999  Nicotiana glauca D. L. Banks, Elizabeth Hedge Banks 1996-5-2 942 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  RSA426711  Nicotiana obtusifolia Donald Myrick 1968-3-3 1797 Riverside In Box Canyon east of MEcca. 366 Comment
  UC444935  Nicotiana quadrivalvis F. M. Reed 1905-9-25 247 Riverside Riverside Comment
  UCR154439  Nicotiana quadrivalvis A. C. Sanders, Mike Misenhelter 2005-6-15 30982 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
  PASA2135  Nicotiana trigonophylla 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  CAS-BOT-BC131886  Nolina parryi Philip A. Munz; P. C. Everett 1950-6-23 14919 Riverside 1.5 mi. s.e. of Kenworthy, on road toward [Coahuila] Cahuilla and Aguanga 1524 Comment
  RSA45204  Nolina parryi J. C. Roos, L. Roos 1949-4-23 4282 Riverside Monson Canyon, Eagle Mountains. Comment
  CAS-BOT-BC71164  Notholaena californica W. G. Wright 1890-1-1 s.n. Riverside Agua Caliente, desert slope of San Jacinto Mt. Comment
  CAS-BOT-BC71174  Notholaena californica S. B. Parish; W. F. Parish 1884-4-1 502 A Riverside Agua Caliente, desert slope of San Jacinto Mt. Comment
  CLARK-A1528-34  Notholaena newberryi Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  UCSB54189  Oenothera californica subsp. avita McKinley, Gale 1985-3-26 Riverside 1/2 mile N. of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  POM355281  Oenothera californica subsp. californica N. C. Cooper 1944-5-6 116 Riverside Banning. 701 Comment
  POM259132  Oenothera cespitosa subsp. marginata P. A. Munz 1938-8-14 15373 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  POM66421  Oenothera deltoides subsp. deltoides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA680920  Oligomeris linifolia Scott D. White, Michael Honer 2003-5-14 9273 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR235523  Oncosiphon piluliferum R. E. Riefner Jr. 2009-2-25 09- 20 Riverside Peninsular Range, city of Lake Elsinore, south side of Temescal Wash, west of Hwy 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  UCR260579  Oncosiphon piluliferum A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41536 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  JOTR01118  Opuntia erinacea var. erinacea Cole, James E. 1941-5-17 729 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1371 Comment
  SEINET2057454 Image available Opuntia phaeacantha Karin Cleary 1987-5-21 73 Riverside San Jacinto, chaparral N side of Gilman Springs Rd., 0.4 km SE of the intersection of Gilman Springs Rd and Bridge St. 463 Comment
  NY9648  Orcuttia californica C. W. Thorne 1975-8-29 47312 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCR137363  Orobanche bulbosa John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA0066538  Orobanche cooperi subsp. cooperi Theodore W. Minthorn 1927-6-29 s.n. Riverside Near Indio. Comment
  RSA0070482  Orobanche cooperi subsp. cooperi Louis C. Wheeler 1952-4-5 6848 Riverside Mecca: Box Canyon Road at canal. Comment
  UCSB7507  Orobanche corymbosa Ralph, F. 1959-5-17 Riverside Pines to Palms Hwy. (74) about 6.7 miles south of Pinon Flats Campground, San Jacinto Mtns. 1371 Comment
  UC27883  Orobanche fasciculata H. M. Hall June 1901 2154 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert. Comment
  RSA28063  Orthocarpus purpurascens I. L. Wiggins 1941-3-27 9703 Riverside 4 mi. north of Whitewater. Comment
  RSA0030793  Orthocarpus purpurascens N. C. Cooper 1944-4-21 1127 Riverside Banning. 701 Comment
  SEINET3129689  Oryzopsis hymenoides S. B. Parish 1907-4-24 6143 Riverside Western border of the Colorado desert 450 Comment
  UC218228  Osmorhiza berteroi P. A. Munz 1922-9-6 6371 Riverside Round Valley San Jacinto Mts. 2712 Comment
  CHSC109713  Oxalis albicans subsp. californica Scott D. White 2003-3-21 8825 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
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May 28 2018
  SDSU17529  Oxalis pes-caprae Jerry Jenkins 2001-4-2 2001 -044 Riverside Santa Margarita Ecological Reserve. Stream in side canyon west of S.M. River, UTM zone 6, 481900E, 3700200N. UTM transfered to GIS. 162 Comment
  POM121836  Oxytheca caryophylloides Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR165195  Oxytheca caryophylloides Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Highway 243, turnoff to Black Mtn. Road, c. 2 mi SE of Lake Fulmor 1643 Comment
  UCR18528  Oxytheca caryophylloides A. C. Sanders 1978-6-20 786 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  POM12807  Oxytheca trilobata P. A. Munz 1922-6-25 5818 Riverside Vandeventer Flat. 1707 Comment
  UCR24259  Oxytheca trilobata John C. Roos 1943-5-23 2672 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  RSA775094  Palafoxia arida Duncan S. Bell, Amber Swanson 2011-2-18 2036 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  RSA779596  Palafoxia arida Duncan S. Bell 2009-3-7 28 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UCR108725  Palafoxia arida Scott D. White, Pam DeVries 1998-2-9 6084 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR248433  Palafoxia arida Duncan S. Bell 2012-2-12 3126 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  RSA151101  Palafoxia arida var. arida P. H. Raven 1962-4-7 17119 Riverside San Gorgonio Pass east of Banning 396 Comment
  RSA363758  Palafoxia arida var. arida N. C. Cooper 1942-4-25 617 Riverside Palm Springs. Comment
  RSA726577  Palafoxia arida var. arida Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1419 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA776906  Palafoxia arida var. arida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 962 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UCR104022  Palafoxia arida var. arida George K. Helmkamp, E. A. Helmkamp 1998-2-5 2660 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA535743  Panicum capillare Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6649 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  RSA552750  Papaver californicum Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6736 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  CAS-BOT-BC274184  Pappostipa speciosa A. M. White 1974-6-8 1431 Riverside 50 mi. N. Desert Center Comment
  RSA775104  Parietaria hespera Duncan S. Bell, Michael Hee 2011-3-18 2049 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UCR137046  Parietaria hespera var. californica A. C. Sanders 2004-5-5 27769 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
  SBBG120316  Parietaria hespera var. hespera W. W. Zabriskie 1973-2-21 124 Riverside Pipistrelle Cyn, Deep Cyn drainage 426 Comment
  HSC24930  Parkinsonia aculeata L. Zuckerman 1967-5-21 34 Riverside 12 mi. NNW of Indio at Thousand Palms Oasis in Indio Hills 457 Comment
  UCR235049  Parkinsonia aculeata A. C. Sanders, John F. Green 2012-5-27 40212 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
  SEINET7907883  Parkinsonia florida D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of I-10 914 Comment
  UCR167422  Parkinsonia florida John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  CAS-BOT-BC258776  Paspalum urvillei H. A. Gray 1915-6-1 s.n. Riverside Palm Springs R. R. Station, Colorado Desert Comment
  RSA356887  Pectis papposa R. F. Thorne 1966-10-15 41795 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  SBBG46835  Pectis papposa K. K. Muller 1971-11-7 2981 Riverside just S of US Hwy 60, opposite S entrance to Joshua Tree Nat Monument Comment
  UCR167327  Pectis papposa Scott D. White, J. Wood 2005-9-27 11230 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  UCR242714  Pectis papposa A. C. Sanders, T. B. Salvato 2012-10-12 40436 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  CAS-BOT-BC541409  Pectis papposa var. papposa Sarah J. De Groot; Duncan S. Bell 2015-9-21 7585 Riverside Santa Rosa Mountains SSW of Palm Desert. Along Carrizo Rd just N of Hwy 74 1053 Comment
  RSA475294  Pectocarya heterocarpa Steve Boyd, S. Meury, Richard Noyes, D. Nordin, Timothy S. Ross 1988-3-10 2106 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA781807  Pectocarya heterocarpa Duncan S. Bell 2010-5-1 892 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR52022  Pectocarya heterocarpa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2171 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA695833  Pectocarya linearis J. R. Bruff 1927-3-12 3 -j Riverside Fingal Comment
  UCR42446  Pectocarya linearis D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  UCR137690  Pectocarya linearis var. ferocula D. L. Banks, V. W. Steinmann 1997-3-13 1470 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  JOTR35926  Pectocarya penicillata De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6874 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  RSA673717  Pectocarya penicillata Scott D. White, W. LaHaye 2000-5-27 7925 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR164896  Pectocarya penicillata S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR250313  Pectocarya penicillata A. C. Sanders 2014-4-8 40975 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR84836  Pectocarya peninsularis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16140 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  CLARK-A1045-235  Pectocarya platycarpa George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  JOTR34344  Pectocarya platycarpa Andre, Jim 2012-4-11 20691 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  SEINET9300461  Pectocarya platycarpa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR249830  Pectocarya platycarpa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7313 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  SD90112  Pectocarya recurvata Walter William Zabriskie 1973-2-21 118 Riverside Above end of Worley Trail to Sheep Mountain, Pipistrelle Canyon area. 854 Comment
  SEINET3105402  Pectocarya recurvata Faulkner 1978-3-15 277 Riverside 1 mile West Hwy 95; 25 miles N. of Blythe. 152 Comment
  UCR116625  Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  UCR41526  Pectocarya recurvata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6020 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  UCR153362  Pectocarya setosa LeRoy Gross, Valerie Soza 2003-5-8 826 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UCR241684  Pellaea andromedifolia T. B. Salvato 2013-3-22 7409 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  SBBG35016  Pellaea mucronata T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  RSA686887  Pellaea mucronata var. mucronata Norman C. Cooper 1944-5-21 1305 Riverside San Jacinto Mountains, West side 915 Comment
  CAS-BOT-BC258813  Pennisetum setaceum A. C. Sanders; P. MacKay 1994-10-23 15848 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery and Bonnie Bell 581 Comment
  RSA650291  Penstemon centranthifolius Toppenberg 1961-5-12 s.n. Riverside Hwy. 74. Beaumont to Idyllwild. Comment
  UCR35236  Penstemon grinnellii L. B. Ziegler 1968-6-17 326 Riverside San Jacinto Mtns, Strawberry Valley. Near the base of Lily Rock 1951 Comment
  SD229289  Penstemon grinnellii var. grinnellii Dick Schwenkmeyer 2012-6-27 756 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA221075  Penstemon spectabilis E. W. Lathrop 1966-5-8 6401 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  CAS-BOT-BC239692  Penstemon thurberi Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  UC1505621  Pentagramma maxonii Robert T. Clausen and Harold Trapido 1940-6-18 4675 Riverside mouth of Chino Canyon; Salton Sea Basin 457 Comment
  UC63690  Perideridia parishii subsp. latifolia H. M. Hall 1897-8-16 851 Riverside San Jacinto Mt.; bogs and meadows 2499 Comment
  SFV17214  Peritoma arborea J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  CAS-BOT-BC77476  Peritoma arborea var. angustata David Dreyer 1968-4-9 s.n. Riverside 3 miles north of Desert Hot Springs 365 Comment
  JOTR37437  Perityle emoryi Hodges, Stephen R., T. Hender 2015-12-30 559 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road, near Park Boundary (Stop 2) Comment
  SD127618  Perityle emoryi David Charlton 1988-2-18 1121 Riverside South side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree, 1 mile east of junct Dillon Road 609 Comment
  SD73622  Perityle emoryi Helen V. Witham 1970-4-29 825 Riverside 22 miles east of Lake Hemet on Highway 74 1299 Comment
  RSA445163  Petalonyx thurberi M. B. Dunkle 1933-3-4 3062 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SD181450  Petalonyx thurberi Scott D. White 2001-4-27 8420 Riverside Colorado desert, Shavers Valley, near the I-10 Freeway, ca. 15 miles east of the Indio junction of I-10/SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station; Cottonwood Basin [quad]. 395 Comment
  SD67610  Petalonyx thurberi subsp. thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. Frequent in washes and on the desert floor. Comment
  UCR34118  Petunia parviflora Lance F. Howard 1984-5-10 019 Riverside Riverside: E side of the Santa Ana River, about 300 m south of Mission Blvd. Bridge 240 Comment
  LA203891  Peucephyllum schottii Martha Hilend Kinsey; 1935-3-24 sn Riverside Painted Canyon Comment
  RSA778112  Peucephyllum schottii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 926 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  SJSU11731  Peucephyllum schottii R. C. McGehee 1970-4-18 Riverside 2 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UCR30077  Peucephyllum schottii George K. Helmkamp 1983-4-5 483- 13 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA426009A  Phacelia ambigua H. de Forest, Jack Rempel 1935-4-14 s.n. Riverside Mojave Desert between Lost Horse Valley and Pinto Basin. Comment
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Jan 8 2017
  RSA427709B  Phacelia ambigua G. R. Johnstone 1930-4-14 14657 Riverside Shavers Well Comment
  RSA475289  Phacelia ambigua Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, Tim Ross, D. Nordin 1988-3-10 2101 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA757454  Phacelia brachyloba Robert F. Thorne, Walter Wisura, Dave Mitchener 1982-1 55187 Riverside Cleveland National Forest, along Main Divide Truck Road 915 Comment
  UC672729  Phacelia brachyloba Harlan Lewis 1942-6-17 1710 Riverside approx. 2 mi w Pinon Flats Comment
  UCR6119  Phacelia brachyloba Dorothy Detrich 1966-5-16 49 Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom at base of Mount Rubidoux 236 Comment
  RSA102328  Phacelia campanularia S. B. Parish, W. F. Parish 1882-04 216 Riverside Borders of the Colorado Desert, Whitewater. Comment
  RSA427701  Phacelia campanularia N. C. Cooper 1944-5-21 11266 Riverside San Jacinto Mountains, west side. 1220 Comment
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Nov 26 2011
  RSA0124817  Phacelia campanularia subsp. campanularia Duncan S. Bell, LeRoy Gross 2016-3-9 8855 Riverside Orocopia Mountains; northern section of range, approximately 0.5 air mile south of Chiriaco Summit. 546 Comment
  UC809716  Phacelia campanularia subsp. vasiformis Philip A. Munz 1949-4-11 13021 Riverside slope near Conejo Well; Mohave Desert, north base of Eagle Mts. 914 Comment
  UC881002  Phacelia campanularia subsp. vasiformis C. L. Hitchcock 1940-3-29 5862 Riverside ca 100 yds e Spring; Cottonwood Canyon Comment
  SDSU18751  Phacelia cicutaria var. hispida C. Matt Guilliams, Jeannine Ross 2008-3-5 490 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UCR20788  Phacelia cicutaria var. hispida A. C. Sanders, Steve Boyd 1980-5-2 1420 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR50515  Phacelia cicutaria var. hispida S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR90049  Phacelia cicutaria var. hispida P. F. Horner 1972-5-2 37 Riverside Santa Ana River Valley, Riverside, Santa Ana River bottom, near Union Pacific Railroad Bridge 213 Comment
  UCR121106  Phacelia ciliata A. C. Sanders, Sue Nash, Tom Paulek, et al 2002-4-7 24902 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, west side of Davis Rd., just north of the old San Jacinto River channel (levee), 2.25 mi. north of Lakeview 434 Comment
  SEINET3158091  Phacelia circinata F. M. Reed 1908-7-11 2505 Riverside San Jacinto Mts., trail to summit above Round Valley. 2957 Comment
  UC310588  Phacelia crenulata var. ambigua Philip A. Munz 1926-1-31 9958 Riverside Dos Palmos Spring Colorado Desert Comment
  UC672401  Phacelia crenulata var. ambigua Herbert L. Mason 1928-3-11 4237 Riverside near Indio; Colorado Desert Comment
  UC974993  Phacelia crenulata var. ambigua Rimo Bacigalupi and J. F. MacBride 1952-4-1 3598 Riverside 3 1/2 mi e Coachella Comment
  UC665895  Phacelia crenulata var. minutiflora Ira L. Wiggins 1941-3-27 9669 Riverside about 4 mi ne Desert Center (on road to Rice) Comment
  RSA314656  Phacelia distans Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55445 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA426214  Phacelia distans M. B. Dunkle 1933-3-5 3076 Riverside Colorado Desert, Palm Springs. 91 Comment
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Nov 3 2011
  RSA772970  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4777 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR185110  Phacelia distans LeRoy Gross, L. Lubinsky, V. W. Steinmann, L. L. Worlow 2005-2-17 1419 Riverside Chocolatte-Chuckwalla Mountains, Colorado Desert; Corn Springs Campground in the Chuckwalla Mountains. Canyon SW of Campground 549 Comment
  UCR261148  Phacelia distans A. C. Sanders, Katie Young, John Hale 2015-4-22 41594 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  POM158465  Phacelia minor P. A. Munz 1927-5-20 10827 Riverside 10 miles S. of Hemet. Comment
  SBBG55017  Phacelia minor D. Keil, M. McLeod 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  SD137730  Phacelia minor Darin L. Banks 1995-4-11 171 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area along the Dripping Spring Trail 950 Comment
  SEINET244830 Image available Phacelia minor A. C. Sanders 2002-4-16 24961 Riverside The Badlands; Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  UC1167742  Phacelia minor Peter H. Raven 1958-5-17 12948 Riverside 7.4 mi se Banning (on rd to Idyllwild); San Jacinto Mountains Comment
  UCR162879  Phacelia minor T. B. Salvato, Kelly Volansky 2003-3-27 123 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  PASA1332  Phacelia parryi 1929-3-3 Riverside Near Whitewater Comment
  RSA428151  Phacelia parryi N. C. Cooper 1944-6-4 2020 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  SBBG65013  Phacelia pedicellata M. N. Ackley 1928-4-3 406 Riverside Devils Cyn, Coral Reef Ranch 121 Comment
  SEINET12280343  Phacelia ramosissima E. A. Purer 1935-1 6486 Riverside western edge of Colorado desert near Palm Springs Comment
  RSA494633  Phacelia ramosissima var. latifolia Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA764129  Phacelia suaveolens subsp. keckii L. M. Prince, Duncan S. Bell 2009-6-17 572 Riverside Cleveland National Forest Comment
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Jul 21 2018
  UCR96878  Phalaris lemmonii Scott D. White 1993-4-30 1314 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  CHSC61260  Phalaris minor J. Lund 1980-4-2 Riverside Across the freeway from Valarie Jeans on Rd. W86 on north west side of Salton Sea. Comment
  UCR126938  Phalaris minor Julie A. Greene 1993-5-12 1304 Riverside Perris-Aguanga Basin region, South of gated West-East road, east of Davis Rd. 433 Comment
  UCR2663  Phleum pratense F. M. Reed 1903-12-10 224 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  UC1595641  Phlox gracilis Steve Boyd and Orlando Mistretta 1991-5-9 6190 Riverside on ridge between Bedford Canyon and McBribe Canyon (along the Bedford Truck Trail, lower flank of the Santa Ana Mountains); Santa Ana Mountains 548 Comment
  UCR113892  Phoenix canariensis Mitch Provance 1998-4-14 445 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  UCR85425  Phoenix dactylifera A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15889 Riverside Sonoran (Colorado) Desert, Salton Sink: Dos Palmas Spring & immediate vicinity -30 Comment
  UCR17965  Pholistoma membranaceum A. C. Sanders 1976-4-20 00980 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UCD102039  Phoradendron bolleanum Geoffrey Levin 1975-12-6 657 Riverside State 74 just above Seven Level Hill, about 8 mi. south of Palm Desert. 1066 Comment
  CAS-BOT-BC135104  Phoradendron californicum Roxana S. Ferris 1918-6-14 964 Riverside by stream at Plam Springs Comment
  SBBG32262  Phoradendron californicum L. S. Rose 1966-12-11 Riverside Palm Springs 152 Comment
  UCD166242  Phoradendron californicum Jack Major 1962-4-17 776 Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  JOTR16865  Phoradendron densum Hogan, J. 1974-5-6 34 Riverside Joshua Tree National Park. JUNCTION OF EUREKA PEAK AND UPPER COVINGTON FLATS ROADS 1554 Comment
  JOTR31003  Phoradendron densum La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1283 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  UCR52005  Phoradendron densum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau Comment
  UCD102236  Phoradendron leucarpum subsp. tomentosum A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy. 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza. 1441 Comment
  UCR165848  Phoradendron macrophyllum T. B. Salvato, John F. Green 2004-5-27 636 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC141174  Phoradendron serotinum subsp. macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River NW of Corona 182 Comment
  RSA33894  Phoradendron villosum N. C. Cooper 1943-9-11 896 Riverside East side San Jacinto Mtns. 1372 Comment
  UC1073268  Phoradendron villosum George B. Rossbach 1955-4-22 230 Riverside slope between Juniper Flat and Stubby Spring; Little San Bernardino Mts. 1402 Comment
  UC496522  Phoradendron villosum Philip A. Munz 1932-10-16 12847 Riverside Indio to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  UCR239828  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA28050  Physalis crassifolia I. L. Wiggins 1941-3-27 9673 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA423818  Physalis crassifolia N. C. Cooper 1949-4-8 3307 Riverside Desert Center. 610 Comment
  RSA0048541  Physalis crassifolia A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  UCR201855  Picris echioides Justin M. Wood 2008-10-29 212 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 320 Comment
  SEINET7048007  Pinus lambertiana Steven R. Hill, Kate Kramer and family 2001-4-26 33474 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  CAS-BOT-BC78894  Pinus monophylla Annie M. Alexander; Louise Kellogg 1941-5-21 2216 Riverside North slope of Eagle Mountains 1219 Comment
  CDA18000  Pinus monophylla L. D. Merrill 1999-8-27 s.n. Riverside Cactus Springs Trailhead, Santa Rosa Mtns. 0 Comment
  NY61880  Pinus monophylla N. H. Holmgren 1974-4-2 5777 Riverside Pinto Mountains, Joshua Tree National Monument, Hidden Valley Campground, 13.9 miles southeast of Joshua Tree (10 airline miles south-southwest of Twentynine Palms) 1310.6 Comment
  CAS-BOT-BC79096  Pinus quadrifolia H. M. Hall 1901-6-1 2139 Riverside Santa Rosa Mountains, Coyote Canyon 1524 Comment
  CLARK-A1528-3562  Pinus quadrifolia John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  RSA505025  Pinus quadrifolia D. Charlton 1988-5-21 1908 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  SBBG56372  Pinus quadrifolia V. Duran 1933-7-2 3495 Riverside near Santa Rosa 1676 Comment
  UCSB147  Pinus quadrifolia Cline, C. 1960-5-15 Riverside 0.2 miles West of Hwy. 74 toward Anza 1066 Comment
  RSA741423  Piptatherum miliaceum Justin M. Wood 2008-12-2 260 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR270756  Piptatherum miliaceum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8369 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR107706  Pityrogramma triangularis var. triangularis A. C. Sanders 1997-3-1 19735 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
  UCR86888  Plagiobothrys arizonicus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16286 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
  POM157936  Plagiobothrys canescens P. A. Munz 1927-5-21 10833 Riverside Coahuila Valley. 1372 Comment
  SD234339  Plagiobothrys canescens A. C. Sanders, John F. Green 2006-5-18 32369 Riverside Temecula/Murietta Region: SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, S of intersection of Chandler and Suzi Rds and S of Murrieta Hot Springs Rd, side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow. 106 Comment
  UCR250215  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-8 40979 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR250570  Plagiobothrys collinus var. fulvescens A. C. Sanders 2014-4-18 41037 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. near Horsethief Canyon Road, east of Horsethief Canyon Wash and site of old DePalma's Italian Village Restaurant 381 Comment
  UCR265816  Plagiobothrys collinus var. fulvescens Mitch Provance 2012-5-24 512- 06 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  RSA80199  Plagiobothrys collinus var. ursinus F. W. Peirson 1922-5-19 3041 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
  RSA613752  Plagiobothrys leptocladus Scott D. White 1993-4-25 1276 Riverside Winchester Hills area: agricultural fields, near vernal pools Comment
  POM287294  Plagiobothrys nothofulvus Lyman Benson 1932-3-26 3176 Riverside Temecula Grade. Temecula Valley. 549 Comment
  UCR138141  Plagiobothrys tenellus D. L. Banks, V. W. Steinmann 1997-3-13 1447 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  RSA757465  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55209 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UCR155053  Plagiobothrys undulatus Jason L. Hlebakos 2005-5-18 700 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  RSA601785  Plantago bigelovii subsp. californica D. Bramlet 1997-3-13 2491 Riverside Nichols road Wetlands, the site is located 335m SE of Nichols road, 91m W of Collier Ave, 305 m W of the I 15. The locality is W of Existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. Comment
  UCR77581  Plantago elongata Steve Boyd, D. E. Bramlet 1991-5-13 6230 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  POM10198  Plantago erecta F. M. Reed 1907-3-15 1221 Riverside Riverside Heights Comment
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Sep 4 2011
  POM10266  Plantago erecta Charlotte M. Wilder 1905-4-9 580 Riverside Wilder's canon, Juniper [Jurupa] Hills. Comment
  RSA0024821  Plantago ovata Jim Andre 2013-3-4 23871 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  SD187452  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, ca. 10 mile east of Highway 177 . 365 Comment
  UCR165266  Plantago ovata John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCD124533  Plantago ovata var. fastigiata Francis M. Ball 1964-2-15 66 -22 Riverside At 1000 Palms. Comment
  POM98814  Plantago ovata var. fastigiata P. A. Munz 1926-1-31 9978 Riverside Dos Palmas Spring Comment
  RSA682163  Plantago patagonica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10500 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA708430  Plantago patagonica Scott D. White 2005-3-29 10827 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  SD185279  Plantago patagonica A. C. Sanders, J. C. Dice, et al. 1995-3-29 16240 Riverside San Jacinto Mountains; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Highway 111 and Snow Creek Village. 334 Comment
  UCR121235  Plantago patagonica Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2308 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  CAS-BOT-BC93217  Platanus racemosa Herman Knoche 1919-6-1 594 Riverside Palm Springs. Comment
  RSA401723B  Platanus racemosa H. de Forest, Jack Rempel 1933-10-29 18672 Riverside Snow Creek Canyon, San Bernardino Mts Comment
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Feb 9 2015
  SEINET10620967  Platanus racemosa Greg Gust, Leith Nye 2005-3-12 Gust 557 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  POM9293  Platanus racemosa P. A. Munz, R. D. Harwood 1920-3-20 3374 Riverside 5 miles S of Corona 305 Comment
  LA206260  Platystemon californicus Elizabeth McClintock; 1938-5-30 sn Riverside San Jacinto Comment
  UCR27198  Platystemon californicus Marlyce Myers 1980-4-20 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris 520 Comment
  SEINET7073301  Platystemon californicus var. californicus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  POM431207  Pleuraphis rigida J. C. Roos 1965-9-5 s.n. Riverside 18 miles W of Blythe. Comment
  RSA775120  Pleuraphis rigida Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5026 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66015 750 Comment
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May 22 2012
  RSA775667  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 803 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UCR244415  Pleurocoronis pluriseta Jim Andre 2012-4-16 20910 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  SEINET12534722 Image available Pleurocoronis pluriseta H. M. Hall 5992 Riverside Hills near Indio Comment
  CAS-BOT-BC326545  Pluchea sericea H. S. Gentry 1954-7-25 14248 Riverside Aguanga Comment
  UC63113  Pluchea sericea H. M. Hall May 17 1901-Jun 1 1901 Riverside San Jacinto River Canyon 762 Comment
  UCD134946  Pluchea sericea A. C. Sanders 1997-3-19 20033 Riverside Lake Skinner area: S foot of Bachelor Mountain, across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore. 457 Comment
  UCD91843  Poa pratensis Alan A. Beetle 1946-6-20 4397 Riverside San Jacinto Mt., near Idlewilde. 1219 Comment
  UC284202  Polygala cornuta var. fishiae P. A. Munz 1923-6-18 7127 Riverside on rocky slopes Temecula Canyon Comment
  UCR264615  Polygonum aviculare Mitch Provance 2011-6-6 17010 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  UCR24909  Polygonum douglasii subsp. douglasii A. C. Sanders 1980-7-22 1719 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
  RSA653320  Polygonum punctatum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23718 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, about 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco. 191 Comment
  UCR239207  Polypogon australis Steven R. Hill 2001-4-29 33527 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCD91375  Polypogon monspeliensis Fred M. Reed 1906-5-19 960 Riverside Riverside and vicinity. Rubidoux Ave. near Brockton. 228 Comment
  UCR202603  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-7-9 12412 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA659198  Polypogon monspeliensis M. Duke, Christy Hightower, C. McElroy 1982-5-15 13 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  RSA1908  Populus fremontii Carl B. Wolf 1931-3-13 1882 Riverside Colorado River bottom at the Blythe Bridge. 152 Comment
  RSA7205  Populus fremontii E. E. Gready 1933-02 4531 Riverside Colorado River near Blythe Bridge. 91 Comment
  POM122002A  Populus fremontii subsp. fremontii Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Springs near Temecula. 366 Comment
  CAS-BOT-BC356155  Porophyllum gracile Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring Comment
  POM178583  Porophyllum gracile Marcus E. Jones 1930-3-15 26503 Riverside Eagle Mountains. Comment
  UCR185176  Potamogeton diversifolius Naomi Fraga, Et al. 2006-7-11 1722 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  POM13235  Potamogeton pusillus Philip A. Munz, J. M. Johnston 1922-5-21 5523 Riverside Hemet Valley, San Jacinto Mts.; Garner Ranch 1387 Comment
  RSA499238  Potentilla glandulosa subsp. nevadensis E. C. Jaeger 1921-6-23 729 Riverside Tacquitz Valley. 1982 Comment
  JEPS44217  Potentilla gracilis var. fastigiata W. L. Jepson 2297 Riverside Tauquitz Valley San Jacinto Mt., Tauquitz Valley 2286 Comment
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Apr 3 2011
  UCR199764  Prosopis glandulosa Scott D. White, Justin Wood 2007-4-11 11649 Riverside San Bernardino Mountain foothills, San Gorgonio River wash, west side of Bluff St. Comment
  UCR45120  Prosopis glandulosa L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  CAS-BOT-BC216515  Prosopis pubescens W. R. Dudley 1903-12-1 s.n. Riverside Near Palm Springs Comment
  UC629761  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 mi e Blythe; Palo Verde Valley 76 Comment
  CAS-BOT-BC158292  Prunus fasciculata var. fasciculata Annie M. Alexander; Louise Kellogg 1941-5-14 2172 Riverside Cottonwood Spring Pass, Eagle Mts. 914 Comment
  CAS-BOT-BC151115  Prunus fremontii Philip A. Munz 1937-5-30 15133 Riverside Dos Palmos Spring, north end of Santa Rosa Mts. 1097 Comment
  POM13906  Prunus fremontii Philip A. Munz 1922-3-12 4707 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  RSA304834  Prunus fremontii James R. Shevock 1972-2-26 1352 Riverside Coyote Cyn, near Anza. 1006 Comment
  RSA0039274  Prunus ilicifolia A. C. Sanders 2014-4-25 41074 Riverside Temescal Canyon, Richland property near Horsethief Canyon Rd., SW of I-15 381 Comment
  RSA586932  Prunus ilicifolia subsp. ilicifolia D. L. Banks, Peter Morrell 1995-5-4 298 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Woodchuck Trail. 549 Comment
  POM48352  Prunus virginiana var. demissa Philip A. Munz, I. M. Johnston 1924-7-29 8867 Riverside San Gorgonio Canyon, North of Banning 1372 Comment
  RSA714376  Prunus virginiana var. demissa T. B. Salvato, John Green 2004-5-27 606 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  SEINET3101944  Prunus virginiana var. demissa Marc A. Baker, Michelle Cloud-Hughes 2011-6-12 17371 Riverside Goff Flat, 5.5km southwest of Pyramid Peak. 1625 Comment
  HSC66537  Psathyrotes ramosissima Christopher Davidson 1979-4-4 7681 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  RSA94085  Psathyrotes ramosissima F. W. Peirson 1927-4-12 7165 Riverside Forks of Painted Canyon, near Mecca Comment
  SD9078  Pseudognaphalium californicum Daniel Cleveland 1881-5-10 Riverside Temecula Comment
  SDSU21847  Pseudognaphalium californicum Lindsay Rubin, Stephanie Castillo 2016-4-16 Riverside On the south side of the Santa Margarita River, off the edge of the dirt road among rocky slope. Santa Margarita Ecological Reserve. 231 Comment
  IRVC2826  Pseudotsuga macrocarpa T. Baskin 1965-4-21 s.n. Riverside Upper camp; Route 71. Comment
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Mar 27 2014
  RSA0124290  Pseudotsuga macrocarpa Duncan S. Bell 2016-4-16 9333 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR241408  Psilocarphus brevissimus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7444 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR87642  Psorothamnus arborescens A. C. Sanders 1994-5-29 14555 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  CAS-BOT-BC353640  Psorothamnus emoryi Blanche Trask 1916-4-15 s.n. Riverside flats above Salton Sea Comment
  CAS-BOT-BC353643  Psorothamnus emoryi E. R. Johnson 1928-6-8 s.n Riverside along highway south of Mecca, west side of Salton Sea Comment
  SBBG68074  Psorothamnus emoryi Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  UC68506  Psorothamnus emoryi H. M. Hall Apr. 1905 5949 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  UCSB3043  Psorothamnus emoryi Mooney, Harold 1956-4-14 Riverside Turn off to Desert Hot Springs on Highways U.S. 60, 70, 99 Comment
  SD46419  Psorothamnus emoryi var. emoryi P. C. Everett, E. K. Balls 1956-5-2 21552 Riverside 2 miles north of turn off highway 60/70, west of desert center to eagle Mountain pumping station 259 Comment
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Apr 5 2011
  SBBG21967  Psorothamnus fremontii R. F. Thorne 1964-5-3 33849 Riverside near hwy ca. 4 mi S of Morongo Valley, ca. 3 mi S of San Bernardino Co line Comment
  CAS-BOT-BC340891  Psorothamnus schottii K. Bonner 1977-10-28 2572 Riverside 1 mi. S. of Buried Mtn. Comment
  CAS-BOT-BC340900  Psorothamnus schottii Ira L. Wiggins 1937-3-9 8754 A Riverside 5 miles west of Shaver's Well Comment
  OBI32603  Psorothamnus schottii A. C. Sanders 1983-4-24 3800 Riverside NW end of the Orocopia Mts along hwy 195 +- 3 mi NE of Shavers Well and 2.7 mi NE of the point where the road enters the Box Cyn 366 Comment
  RSA404246  Psorothamnus schottii Anstruther Davidson 1895-4-10 s.n. Riverside Palm Springs. Comment
  SD37834  Psorothamnus schottii Edith A. Purer 1935-4-21 6462 Riverside Desert floor, near Palm Springs, Colorado Desert Comment
  SDSU5216  Psorothamnus schottii D. F. Howe 1952-4-27 2190 Riverside 5 miles south of highway east of Mecca, along All-American Canal. Comment
  JOTR32398  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Pinto Basin; Smoke Tree Wash; sandy, open flat along Pinto Basin road, just north of Smoke Tree Wash 809 Comment
  RSA33633  Psorothamnus spinosus N. C. Cooper 1944-7-15 1603 Riverside Palm Springs. 122 Comment
  SEINET13373614 Image available Psorothamnus spinosus Victor Duran 1933-1 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  UC1280844  Psorothamnus spinosus H. E. McMinn 1935-6-27 4054 Riverside wash at foot Palms to Pines Highway at foot Palms to Pines Highway Comment
  UCSB11923  Psorothamnus spinosus Rensselaer, Maunsell 1945-11-18 Riverside Colorado Desert, dry wash S of Cathedral City Comment
  RSA516876  Pterostegia drymarioides Steve Boyd 1986-3-1 1358 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  SDSU13935  Pterostegia drymarioides Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2139 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR155325  Pterostegia drymarioides A. C. Sanders, Mike Misenhelter 2005-3-23 29257 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR274938  Pulicaria paludosa S. J. Myers, Vesta A. Myers 2006-9-30 1031 Riverside Perris Valley Storm Drain near Placentia Ave., SW of Lake Perris 435 Comment
  RSA86651  Purshia tridentata var. glandulosa F. W. Peirson 1933-4-13 10645 Riverside Between Deep Canyon and Idylwild. 1524 Comment
  SEINET13382482 Image available Quercus Mitch Provance 2009-1 17424 Riverside Banning, beneath SCE lines about 290 m NW of the intersection of Bluff St. and Midas Canyon Rd 850 Comment
  UCR209656  Quercus X morehus Fred M. Roberts, Robt. L. Allen 2008-6-23 7050 Riverside Santa Ana Mountains, Santiago Peak, eastern slope, Main Divide Truck Trail, at the junction with Coldwater Trail, 1.5 km east-northeast of the summit of the peak 1479 Comment
  POM263040  Quercus agrifolia J. C. Roos 1937-8-19 358 Riverside Near summit, Pines to Palms Road 1433 Comment
  SD193294  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31559 Riverside Valley Hi County Park off Highway 243 and Twin Pines road at McMullen Flat. 1189 Comment
  UCR270172  Quercus agrifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42389 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR209178  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37154 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA263706  Quercus berberidifolia E. W. Lathrop 1969-6-5 7092 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR94888  Quercus berberidifolia G. R. Ballmer, K. T. Stockwell 1996-9-22 s.n. Riverside Murrieta, Warm Springs Creek, SE of Hogbacks 366 Comment
  LA46443  Quercus chrysolepis Carl Epling; 1931-10-4 sn Riverside San Jacinto Mountains, Idyllwild 1371 Comment
  UCR123795  Quercus chrysolepis var. nana Steven R. Hill, K. Kramer and family 2001-4-26 33471 Riverside San Jacinto Mtns., San Jacinto Wilderness west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges 2591 Comment
  CAS-BOT-BC86599  Quercus cornelius-mulleri David Dreyer 1968-4-9 s.n. Riverside N slope of hills S of Morongo Valley 609 Comment
  UCR189774  Quercus engelmannii Angela Hyder 2006-10-2 077 Riverside Peninsular Range, Lake Skinner, Lake Skinner reserve. 1 mi east of Rawson Canyon. 1 mi north of Black Mountain 660 Comment
  UCR2937  Quercus engelmannii Wm. Horn Jr. 1963-4-20 630420- 2 Riverside Santa Ana Mtns., [Santa Rosa Plateau, on Tenaja Road west of] Murrieta, 100 yards west of dirt road to Tenaja Ranger Station, 4.8 miles west of Santa Rosa Ranch gate. 305 Comment
  POM310603  Quercus john-tuckeri Marcus E. Jones 1956-04 s.n. Riverside Joshua tree on road to Juniper Flats. 1463 Comment
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Mar 14 2014
  CAS-BOT-BC105321  Quercus kelloggii Carl Epling 1931-10-4 245 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UC520243  Quercus kelloggii Carl Epling 1931-10-4 Riverside Strawberry Valley San Jacinto Mts. Comment
  UC1135774  Quercus palmeri A. E. Wieslander 1938-5-5 735 Riverside Van Deventer Flat Thermal Quad. 1493 Comment
  UCR262391  Quercus wislizeni var. frutescens Tom Scott 2011-1 2011- 566 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01, c. 5 miles up canyon from locked gate, USFS San Bernardino Nat. Forest 1275 Comment
  CAS-BOT-BC362519  Rafinesquia californica John Thomas Howell 1931-5-30 6592 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA180443  Rafinesquia californica E. W. Lathrop 1965-5-9 5728 Riverside 6 miles W of Murrieta. Comment
  RSA660563  Rafinesquia californica Bruce Albert 1982-4-17 41 Riverside Hillside north of Cajalco road, 2 miles east of I-15. 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
  CLARK-A1656-688  Rafinesquia neomexicana Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  OBI8324  Rafinesquia neomexicana David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12065 Riverside Joshua Tree Natl Monument along Pinto Basin Rd. 2 mi N of Cottonwood campgrounds Comment
  POM33170  Rafinesquia neomexicana Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. Comment
  POM6245  Rafinesquia neomexicana I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 305 Comment
  RSA799884  Rafinesquia neomexicana D. M. Ray 2011-3-5 11 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UCR166548  Rafinesquia neomexicana Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10884 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  SEINET10801150  Rafinesquia neomexicana A. K. Evans 1976-4-13 Evans 5217 Riverside Desert canyons of Santa Rosa mountains. Comment
  SDSU10077  Ranunculus aquatilis W. T. Williams 1962-5-12 Riverside San Jacinto Mountains, 8.0 miles on Hwy beyond Idyllwild, North side of road in lake by park, Northeast of lake. 1890 Comment
  POM13200  Ranunculus aquatilis var. capillaceus P. A. Munz, I. M. Johnston 1922-5-21 5522 Riverside Garner Ranch, Hemet Valley Comment
  UC1260165  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44679 Riverside e Redondo Mesa; Santa Rosa Plateau, Rancho California 609 Comment
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Aug 19 2010
  POM50150  Ranunculus cymbalaria var. saximontanus Albert W. C. T. Herre 1902-7-14 s.n. Riverside Temecula R. near Temecula. Comment
  RSA0030881  Ranunculus cymbalaria var. saximontanus Ira W. Clokey, E. G. Anderson 1935-8-21 6627 Riverside Hemet. 1030 Comment
  UCR140660  Rhamnus californica subsp. tomentella Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 86 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  CAS-BOT-BC59509  Rhamnus crocea B. Pitzer 1998-1-25 3422 Riverside Lakeview Mts: Maze Stone County park, at N terminus of California Avenue. 499 Comment
  HSC46613  Rhamnus ilicifolia Christopher Davidson 1977-5-18 5620 Riverside Cleveland National Forest, Bear Springs 1220 Comment
  RSA484732  Rhamnus ilicifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8735 Riverside Pinyon Flats area Santa Rosa Mountains, along the trail about 1/2 mi. W of the Dolomite Mine. 1200 Comment
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Sep 10 2011
  UCR101449  Rhamnus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22226 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  RSA787603  Rhododendron occidentale Keith E. Hoffmaster 1937-7-5 817 Riverside San Jacinto Mountains, Pine Flat. Comment
  CAS-BOT-BC200032  Rhododendron occidentale var. californicum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR23410  Rhus integrifolia John C. Roos 1944-1-29 2766 Riverside Box Springs Mtns. east of Riverside near Pigeon Pass 750 Comment
  IRVC80  Rhus ovata R. H. Whittaker, W. A. Niering 1963-5-30 SJ 87 Riverside Palm Desert to Mountain Center, Santa Rosa Mountain Rd. Santa Rosa Mountains 1524 Comment
  RSA650225  Rhus ovata James Carill 1949-3-26 s.n. Riverside 1/2 mi. So. Palm Springs. 91 Comment
  UCSB3758  Rhus ovata Kamb, Peter 1947-3-3 Riverside Upper Sonora Zone; Banning-Idyllwild road below Barton lookout, San Jacinto Mts. 914 Comment
  RSA403704  Rhus trilobata var. pilosissima Ora M. Clark 1929-4-6 1951 Riverside South of Hemet. Comment
  RSA496659  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Eastern foothills of the Santa Ana Mts, midway beween Murrieta and Temecula. Los Cerritos Ranch and adjacent 80acre property to the NW, N of Cherry St, W of Adams Ave, S of Meadowlark Ridge Lane and Elm St. 366 Comment
  UCD170397  Ribes indecorum B. Pitzer 1998-1-25 3415 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue. 610 Comment
  UCR158448  Ribes indecorum S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  SEINET9754141 Image available Ribes nevadense Sharon J. McCormick 1976-5-16 Riverside James Reserve, Yellow Pine Forest Comment
  UCR47226  Ribes quercetorum B. G. Pitzer, Jack Easton 1987-3-10 407 B Riverside San Jacinto Mtns., Anza area, hills south of Thomas Mtn., c. 3 mi east of town of Anza on north side of Hwy 371 1341 Comment
  UCR114544  Rorippa nasturtium-aquaticum A. C. Sanders, K. C. Rose 1999-6-18 22812 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA544411  Rosa californica Steve D. Boyd, Tim S. Ross 1991-6-14 6379 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA740619  Rubus laciniatus Scott D. White, Justin M. Wood 2008-7-8 12372 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA627520  Rubus parviflorus Scott D. White 1998-7-31 6939 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  POM204506  Rumex crispus M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  UCR271684  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  POM12801  Rumex salicifolius var. denticulatus P. A. Munz 1922-6-23 5777 Riverside Hemet Valley 1372 Comment
  UCR24910  Rumex salicifolius var. denticulatus A. C. Sanders 1980-7-22 1722 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
  UC850653  Rumex salicifolius var. salicifolius I. W. Clokey and E. G. Anderson 1935-8-21 6601 Riverside Fuller Creek 1500 Comment
  CLARK-A1528-5728  Ruta graveolens John C. Roos 1948-2-21 3771 Riverside Reche Canyon 457 Comment
  RSA26966  Salazaria mexicana C. L. Hitchcock 1940-4-1 5905 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  CAS-BOT-BC103897  Salix exigua Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA71977  Salix exigua Philip A. Munz, Percy C. Everett 1952-5-2 16238 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  SD11898  Salix exigua var. exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km north of Arlington on road to Pedley, west of Riverside 239 Comment
  SEINET244839  Salix gooddingii A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-16 24971 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont Comment
  UCR231770  Salix gooddingii John F. Green 2008-4-21 02- 06 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  UCR270191  Salix gooddingii A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42412 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  POM6411  Salix laevigata Philip A. Munz, L. T. Street, G. Williams 1919-5-3 2665 Riverside Along Santa Ana River. Comment
  RSA0014930  Salix laevigata LeRoy Gross, Caitlin Elam 2013-5-14 6179 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR87878  Salix lasiolepis G. F. Pratt 1994-3-13 94- 5 Riverside Mojave Desert, Joshua Tree National Monument, N canyon off of Quail Mountain 1280 Comment
  CAS-BOT-BC126320  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  CAS-BOT-BC126323  Salix sessilifolia Milo S. Baker 1928-4-3 2832 b Riverside Tahquitz [Canon] Canyon near Palm Sps. Comment
  JEPS59872  Salsola tragus Marjorie D. Clary 1932-10-2 1581 Riverside 6 mi. w. Indio (Point Happy); Whitewater Wash, Point Happy Comment
  HSC101582  Saltugilia australis Steve Boyd, Susan Jett 2008-3-20 11835 Riverside Peninsular Ranges; Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Highway Vehicle Area Comment
  UC1537501  Saltugilia australis Gordon H. True Jr. 1935-3-19 131 Riverside 6 mi se Perris; se of Perris 487 Comment
  RSA0094572  Saltugilia australis Leigh A. Johnson, J. Mark Porter 1997-3-7 97 -004 Riverside Whitewater Canyon, south slopes of San Bernardino Mtns, just N. of I-10. Infrequent plants locally at base of east facing mtns approcimately where slope steepens and ravines begin., Located on west side of Whitewater Canyon Road at point where drainage pipes fo under road and fence is erected (just south of first houses). 600 Comment
  RSA761749  Saltugilia splendens subsp. splendens Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 643 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  OBI2704  Saltugilia splendens subsp. splendens Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  RSA145206  Salvia apiana Alice Ann Webb, E. A. Phillips 1961-4-4 794 Riverside Palms to Pines Hwy. 915 Comment
  RSA27034  Salvia apiana C. L. Hitchcock 1940-4-12 6045 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA411313  Salvia apiana N. C. Cooper 1948-5-13 2840 Riverside Devil's Garden. 244 Comment
  RSA770679  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4756 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65124 604 Comment
  SBBG101785  Salvia columbariae S. Boyd, T. Ross, M. Hammitt 1991-5-2 6058 Riverside Vail Lake region, SW & W flanks of Billy Goat Mtn 3 mi N Hwy 79, 1 mi W of Hwy 371 600 Comment
  SDSU7472  Salvia columbariae Stan Matler 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  UC1979864  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 892 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. Comment
  UC25692  Salvia columbariae Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UC25710  Salvia columbariae H. M. Hall Jun 1901 2288 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1600 Comment
  UCD125516  Salvia columbariae C. L. Hitchcock 1966-3-15 24155 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  HSC79771  Salvia eremostachya James Henrickson 1973-3-18 8612 Riverside 33 (air) mi. E of Temecula, 5-7 mi SE of Terwilliger, at N end of Coyote Canyon Rd., first steep grade down to canyon 762 Comment
  RSA97250  Salvia eremostachya H. K. Buechner 1955-6-1 C- 111 Riverside 4.5 miles south of Palm Desert. north base of Santa Rosa Mountains. Comment
  CAS-BOT-BC233335  Salvia vaseyi S. B. Parish 1907-4-22 6164 Riverside Palm Canyon, western base of the Colorado Desert 200 Comment
  RSA448917  Salvia vaseyi S. B. Parish 1894-6-15 3233 Riverside Morongo Wash. San Bernardino Mountains, and their eastern base. 915 Comment
  RSA727067  Salvia vaseyi Jay Walker, R. C. Walker 3101 Riverside Ca. 6 miles NE of Pinyon Flats, along hwy 74, at mile marker 87.25 in the first pullout uphill from Vista Point. Comment
  UC917896  Sambucus nigra subsp. caerulea Frank W. Gould 1943-4-17 2111 Riverside 12 miles south of Corona Comment
  UCR95461  Samolus parviflorus D. L. Banks, Lauren Raz 1996-8-29 1139 Riverside Agua Tibia Mountains, NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. Along Arroyo Seco, north of Wildhorse Peak, before the drainage bends to the south. 549 Comment
  RSA359603  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  UCR241569  Sanicula bipinnatifida A. C. Sanders 2013-4-16 40800 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, below/NE of the intersection of McPherson Rd. and Keystone Dr. 450 Comment
  POM128365  Sanicula crassicaulis Thos Craig 1927-4-23 204 Riverside Glen Ivy. 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
  UCR34990  Sanicula tuberosa L. B. Ziegler 1975-5-1 541 Riverside San Jacinto Mtns, Bautista Canyon 703 Comment
  UCR177401  Sarcostemma cynanchoides Marisa Sripracha, K. A. Boyd 2004-3-22 069 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR262269  Schinus molle A. C. Sanders 2006-5-13 32276 Riverside Peninsular Range, 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
  UCR241545  Schismus arabicus A. C. Sanders, Ann Howald 2013-2-27 40550 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  RSA772124  Schismus barbatus Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4834 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCD80951  Schismus barbatus Chuck Hughes 2009-3-23 64 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCD93252  Schismus barbatus D. C. Finfrock 1951-4-4 s.n. Riverside 33 mi. E. of Indio. Comment
  UCR91432  Schismus barbatus Scott D. White 1995-3-30 2643 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  SEINET10519170  Schismus barbatus David B. Dunn 1948-3-14 Dunn 3772 Riverside Grass. Found in flat open sands near Hidden Springs Ranch, 5 mi S of the Indio Hills in the Colorado Desert. Comment
  UCR140700  Schoenoplectus acutus var. occidentalis A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  JOTR35174  Schoenoplectus americanus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3275 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  POM14365  Scirpus acutus var. occidentalis E. C. Jaeger 1921-7-15 1188 Riverside Massacre Canyon Comment
  CAS-BOT-BC243508  Scribneria bolanderi Steve Boyd 1995-5-13 8510 Riverside West of Onion Hill, southeast of Elsinore Peak area along trail following old Main Divide Road Grade, Santa Ana Mountains 1005 Comment
  SEINET3078484 Image available Scrophularia californica Susan Larisch 1963-3-18 51 Riverside Growing at base of large rock about 1/2 way up large wash in the U.C.R. Botanical Garden. Comment
  UCR241635  Scrophularia californica T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 351 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  JEPS11409  Scrophularia californica subsp. floribunda W. L. Jepson May 17 1901-Jun 1 1901 1216 Riverside Riverside Comment
  RSA425200  Scrophularia californica subsp. floribunda N. C. Cooper 1944-5-20 1257 Riverside Palms to Pines Hwy. San Jacinto Mts. 1433 Comment
  RSA677  Scutellaria bolanderi subsp. austromontana J. T. Howell 1927-8-2 568 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  RSA749051  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas 2008-8-1 35969 Riverside lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  RSA180472  Scutellaria tuberosa E. W. Lathrop 1959-4-16 4459 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  UC1595563  Scutellaria tuberosa Steve Boyd, Orlando Mistretta 1991-5-22 6300 Riverside e of Dorland Mountain (base of Agua Tibia Mountain, w of Kolb Creek); Agua Tibia Mountain, Vail Lake area 548 Comment
  RSA683861  Selaginella bigelovii Scott D. White, Michael Honer 2003-4-4 8948 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR275953  Selaginella bigelovii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3794 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  CAS-BOT-BC62084  Selaginella eremophila S. B. Parish 1914-4-6 9030 Riverside Mountain Springs, Colorado Desert Comment
  UC111632  Selaginella eremophila S. B. Parish 1907-4-18 6110 Riverside w base Colorado Desert West Canyon; Colorado Desert 200 Comment
  POM189  Senecio californicus F. M. Reed 1904-5-20 13 Riverside Vicinity of Riverside. Comment
  UCD135512  Senecio californicus C. L. Hitchcock 1966-3-16 24187 Riverside about 5 miles northeast of Aguanga, on open gravelly slopes. Comment
  CAS-BOT-BC327420  Senecio flaccidus var. douglasii unspecified 1901-7-1 4443 Riverside Strawberry Valley Comment
  JEPS30416  Senecio flaccidus var. douglasii Donald Kyhos 1958-5-23 58 -189 Riverside Banning, bank of San Gorgonio River San Gorgonio River Comment
  JOTR37489  Senecio flaccidus var. monoensis Hodges, Stephen R. 2016-5-1 618 Riverside Joshua Tree National Park. Cottonwood Mountains, south of the springs area Comment
  JEPS23577  Senecio mohavensis Peter H. Raven 1958-3-15 11851 Riverside Box Canyon Comment
  UCR251920  Senecio mohavensis Jim Andre 2013-3-27 24820 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  RSA717626  Senecio vulgaris Scott D. White 2006-4-27 11285 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA544438  Senecio vulgaris Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6345 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  RSA552718  Senecio vulgaris Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6687 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  JOTR32489  Senna armata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2270 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  UCD97028  Sesuvium verrucosum T. B. Salvato; A. C. Sanders, Mitch Provance 2000-4-18 45 Riverside Coachella Valley: 50th St. ca 1 mi W of Filmore, 1.5 mi E of town of Coachella. -24 Comment
  UCR92352  Sesuvium verrucosum Scott D. White 1994-10-17 2467 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 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
  UCR126992  Setaria viridis A. C. Sanders, Guy Bruyea 2003-6-12 26894 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  SEINET1909565  Sidalcea malviflora A. C. Sanders 2004-1 27557 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
  UCR43178  Sidalcea malviflora B. G. Pitzer, Karen Kirtland 1986-5-6 0202 Riverside Peninsular Range, Butterfield Stage Ranch Development, hills on the north side of Pauba Valley in Rancho California area, 1 mi south of Buck Mesa, on the E side of Butterfield Stage Rd. 457 Comment
  RSA741171  Sidalcea malviflora subsp. sparsifolia Scott D. White, Justin M. Wood 2008-5-15 12007 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  SD51940  Sidalcea malviflora subsp. sparsifolia Reid Moran 1962-7-7 9867 Riverside Strawberry Creek, 2.0 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  SD204939  Sidotheca trilobata R. F. Thorne, W. Wisura and Dave Michener 1982-5-24 55191 Riverside Santa Ana Mountains region; Cleveland National Forest, along Main Divide Truck Road. 915 Comment
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Oct 27 2011
  RSA234081  Silene laciniata subsp. major R. F. Thorne, E. W. Lathrop 1969-6-6 39330 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  SD137806  Silene laciniata subsp. major Darin L. Banks, Steve Boyd 1995-5-17 449 Riverside Agua Tibia Mountains; northwest Palomar Mountains; Cleveland National Forest, east of the Dripping Springs Alcove area. 590 Comment
  UC8466  Silene laciniata subsp. major Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UCR26373  Silene parishii A. C. Sanders 1981-7-11 2206 Riverside San Jacinto Mtns, Bull Canyon Road, near the head of the trail to Live Oak Spring Comment
  POM48032  Silene verecunda subsp. platyota P. A. Munz 1924-7-27 878 Riverside Dark Canyon, San Jacinto Mts. 1982 Comment
  RSA23233  Simmondsia chinensis Ernest Braunton 1940-4-3 2023 Riverside Berdoo Canyon, 10 mi. E. of Indio. 305 Comment
  RSA798981  Simmondsia chinensis Jim Andre 2012-3-19 21326 Riverside Chuckwalla Mtns: N end of range at Jaeger Nature Sanctuary, 1.5 mi S of Jct Eagle Mt Rd and I-10 freeway. 411 Comment
  SBBG71058  Simmondsia chinensis H. and M. Dearing 1938-11-12 142 Riverside Little San Bernardino Mtns; Joshua Tree Nat Park 762 Comment
  UCD166273  Simmondsia chinensis Jack Major 1962-4-17 787 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 900 Comment
  SEINET10453609  Simmondsia chinensis A. K. Evans 1976-4-13 Evans 5163 Riverside Rocky slopes of Santa Rosa mountains. Comment
  UCSB2432  Sisymbrium altissimum Sturdy, C. 1957-4-20 Riverside 15 mi. east of Coachella on Rt. #60 121 Comment
  POM250526  Sisymbrium altissimum I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4741 Riverside Gavilan Peak. 600 Comment
  RSA707893  Sisymbrium irio Scott D. White, Angelia Carey 2004-5-7 10338 Riverside Indian Creek and adjacent foothills. 549 Comment
  RSA660641  Sisymbrium irio Lydia Paneri 1982-4-17 3 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA0011485  Sisymbrium orientale Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4991 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA614405  Sisymbrium orientale D. L. Banks 1997-3-16 1538 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  RSA799071  Sisymbrium orientale Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6867 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  POM291006  Sisyrinchium bellum Lyman Benson 1932-3-26 3166 Riverside 3 miles N [of] Temecula, San Jacinto Mountains; [this location cannot be in San Jacinto Mtns. -SW] 457 Comment
  UC917877  Sisyrinchium bellum Frank W. Gould 1943-4-18 2154 Riverside 3 mi w of Beaumont (near road junction) Comment