Search Results — 2000 specimen records retrieved (1910 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR67715  Abies concolor Frank C. Vasek, K. Neisess 1979-7-26 790726- 05 Riverside Santa Rosa Mtns, N of Toro Peak at Virgin Spring 2348 Comment
  OBI2989  Abronia villosa Lewis S. Rose 1967-12-20 67184 Riverside 6 mi SE of Thousand Palms 9 Comment
  SD204919  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-3-14 5203 Riverside North foot of San Jacinto Mountains, between Snow Creek Road and Highway 111. 351 Comment
  SEINET3092160 Image available Abronia villosa D. Hoover 1986-4-7 777 Riverside South of Morongo Valley; main canyon at the BLM gate. 549 Comment
  SFV1119  Abronia villosa P. G. Kilburn 1959-5-16 797 Riverside Colorado Desert Agua Caliente Indian Reservation land some 5 miles south of Palm Springs at fork in road where Andreas Road meets Palm Canyon Road. 175 Comment
  RSA115922  Abronia villosa var. aurita Richard Snow 1956-7-13 317 Riverside Near Hemet meadow, on the Pines to Palms Highway. Comment
  RSA33621  Abronia villosa var. aurita Robert L. Rutherford 1944-7-15 1592 Riverside Palms to Pines Highway. 1463 Comment
  SD187438  Abronia villosa var. aurita R. E. Riefner Jr. 2007-5-19 07 210 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 miles west of I-15 Fwy. and 1.0 mile west of Murrieta Creek 298 Comment
  RSA461204  Abronia villosa var. villosa M. B. Dunkle 1935-3-17 4403 Riverside Desert Center. 610 Comment
  SJSU10579  Abronia villosa var. villosa T. N. Seeno 1963-4-12 272 Riverside by US Hwy 60 - 70, 20 mi W of Blythe Comment
  UCR227180  Abronia villosa var. villosa Jim Andre 2011-2-9 15938 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  JEPS64729  Acacia greggii W. L. Jepson 1914-5-18 6021 Riverside n of Indio (Colorado Desert, Cottonwood Mountains, County Well); Colorado Desert, Cottonwood Mountains, County Well Comment
  OBI13405  Acacia greggii Tracey & Viola Call, Viola Call 1962-4-6 2114 Riverside 3 mi NW of Desert Hot Springs 274 Comment
  POM229033  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz 1937-5-29 15151 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  SBBG28548  Acamptopappus sphaerocephalus var. sphaerocephalus D. Myrick 1964-4-30 822 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert 1066 Comment
  JEPS42723  Acer negundo var. californicum Marjorie D. Clary 1932-7-4 1157 Riverside 10 mi se Kenworthy (along small streamlet in narrow canyon); Santa Rosa Mts., se of Kenworthy 1341 Comment
  UC29246  Achillea millefolium H. M. Hall 1897-1-1 Riverside San Jacinto Mountains Comment
  UC40029  Achnatherum coronatum H. M. Hall June, 1901 2078 Riverside vicinity of Chalk Hill 1463 Comment
  CAS-BOT-BC260435  Achnatherum hymenoides John Thomas Howell 1928-3-11 3428 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  SBBG644  Achnatherum hymenoides H. and M. Dearing 1942-3-7 4816 Riverside Whitewater Comment
  CAS-BOT-BC384737  Achyronychia cooperi Milo S. Baker 1928-4-3 3283 a Riverside Palm Canon [Canyon] Comment
  UCR245245  Achyronychia cooperi Jim Andre 2012-3-19 21338 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  SD185215  Acmispon argophyllus T. B. Salvato, John F. Green 2004-5-27 632 Riverside Head of Banning Canyon close to the San Bernardino Co. line, 0.5 mile southeast of Oak Gklen Conservation Camp. 1402 Comment
  CAS-BOT-BC213474  Acmispon argophyllus var. argophyllus A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-8 24195 Riverside S of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St., Perris-Aguanga Basin region 505 Comment
  UCSB7081  Acmispon glaber Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Rd. from State Highway 111; San Jacinto Mt. Range; Colorado Desert drainage 609 Comment
  JOTR34097  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2936 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  SD255718  Acmispon glaber var. brevialatus Mitch Provance 2012-5-24 512 12 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  SD136846  Acmispon micranthus Steve Boyd, Orlando Mistretta 1992-4-22 7015 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 & Nickel Canyon, on burn (1989 fire) 609 Comment
  SBBG49004  Acmispon strigosus T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  SDSU13682  Acmispon strigosus Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998M Riverside Road southwest of SDSU Santa Margarita Field Station, ca. 500 feet southwest on road to switchback, west side of road. 311 Comment
  SEINET5327551  Acmispon strigosus E. Neese 1979-4-10 7080 Riverside ca 25 mi W of Blythe, desert along Interstate 10 244 Comment
  RSA192185  Acourtia microcephala E. W. Lathrop 1960-6-8 4934 Riverside 14 miles west of Murrieta Comment
  RSA666640  Adenostoma fasciculatum var. fasciculatum A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 24995 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  CAS-BOT-BC139867  Adenostoma sparsifolium F. Grinnell Jr. 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  RSA596113  Adenostoma sparsifolium D. L. Banks 1996-11-7 1200 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  SEINET10964943  Adenostoma sparsifolium Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7147 Riverside Chaparral along roadside 1036 Comment
  SFV20160  Adenostoma sparsifolium J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .7 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  CAS-BOT-BC69643  Adiantum capillus-veneris Dr. Emmet Rixford 1917-4-17 s.n. Riverside Coachella Valley. Comment
  UCR182099  Aegilops cylindrica Tom Chester 2005-6-4 631 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Coyote Trailhead, next to Hidden Valley Parking Lot on Tenaja Road just west of Clinton Keith Road 573.2 Comment
  UC573796  Agrostis viridis H. S. Yates 1937-6-27 6705 Riverside near Relief Hot Springs; San Jacinto Quadrangle Comment
  CDA23223  Allenrolfea occidentalis T. C. Fuller 1962-10-3 9708 Riverside Highway 95 to Blythe, 1.7 miles south of Palo Verde Dam Road. 0 Comment
  RSA0026136  Allionia incarnata Deidre Conocchioli, Caitlin Elam 2013-10-2 76 Riverside SW of Bristol Mtns Wilderness Area. From Blythe, head northwest on the Mildland-Rice Rd for 9.6 miles. Turn right onto unmarked BLM Rd and follow NE for 1.6 miles to collection site. 307 Comment
  UCR87152  Allium ampeloprasum Steve Morgan 1995-5-18 s.n. Riverside Garden of Edith McKenzie, 22918 Pahute Drive, Moreno Valley Comment
  RSA367073  Allium burlewii E. C. Jaeger 1922-7-7 s.n. Riverside Slopes of Tahquitz Valley, San Jacinto Mountains. Alt. 7700 ft. 2348 Comment
  RSA593786  Allium cratericola Jeri Hirshberg 1995-5-19 281 Riverside San Jacinto Mountains, Garner Valley, north of Morris Creek. Comment
  OBI53613  Allium haematochiton Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck Trl 381 Comment
  UC3087  Allium marvinii H. M. Hall June, 1901 2096 Riverside along water courses in the vicinity of Strawberry Valley 1371 Comment
  RSA479529  Allium munzii Steve Boyd, Walter Wisura 1987-4-29 2071 Riverside Gavilan Hills, south of Ida-Leona Road, south of Harford Springs County Park 640 Comment
  RSA770512  Allium munzii S. Mashayekhi, Steve Boyd, D. Buck, J. Mendosa 2010-4-22 SM 048 Riverside Plateau rim of Estelle Mt. Comment
  CDA2749  Allium neapolitanum Joyce Davis 1962-3-27 Riverside 3957 6th Street, Riverside. 0 Comment
  RSA613863  Allium peninsulare B. Pitzer 1997-4-12 3123 Riverside Pulsar View Road, (at end of Warren Road) Ca. 1 mile (air) N of Juniper Flats Road., 33 deg N 117 deg 5.53 W 518 Comment
  RSA644111  Allium praecox Scott D. White 1995-3-30 2676 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr., (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  SJSU7112  Allium praecox G. B. Youngberg 1956-3-27 172 Riverside hills near La Sierra College, Arlington, SW of Riverside Comment
  UCR133437  Allophyllum divaricatum Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 465 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA16503  Allophyllum glutinosum Percy C. Everett 1935-6-17 7155 Riverside Coldwater Can. trail to Santiago Peak, 1.5 mi. above Glen Ivy Resort. 564 Comment
  RSA192035  Allophyllum glutinosum E. W. Lathrop 1966-5-9 6275 Riverside 3 miles SW of Murrieta between Mesa de la Punta and Sandia Canyon. Comment
  RSA655214  Allophyllum glutinosum Scott D. White 1999-7-9 7530 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  UCR215451  Aloysia wrightii Jim Andre, T. La Doux 2008-9-16 10685 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  UCD169471  Alternanthera philoxeroides J. Zamora; Al Acosta 1999-9-29 s.n. Riverside Riverside, Santa Ana River, under the NW end of the Market St. bridge. 244 Comment
  CLARK-A1528-1390  Amaranthus albus John C. Roos 1951-9-25 5267 Riverside Riverside 259 Comment
  JOTR35166  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 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
  UCR166723  Amaranthus albus Scott D. White, Jennifer H. Jones 2005-4-12 10863 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  UCR174323  Amaranthus albus A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23172 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR92341  Amaranthus albus Scott D. White 1995-7-7 3447 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  POM259508  Amaranthus blitoides E. C. Jaeger 1939-12-26 s.n. Riverside Asio Canon [made-up name], 4 mi. north of Indio 122 Comment
Read comments
Nov 5 2011
  RSA736979  Amaranthus blitoides Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10669 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR113877  Amaranthus blitoides Mitch Provance, A. C. Sanders 2000-7-4 2089 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  JOTR30755  Ambrosia acanthicarpa Andre, Jim, Tasha La Doux 2007-9-6 8708 Riverside Joshua Tree National Park. Queen Valley, just E. of Geology Tour Rd. in July 2006 burn area. 1318 Comment
  CAS-BOT-BC22581  Ambrosia dumosa H. M. Hall 1905-4-1 5907 Riverside Near Mule Springs Comment
  RSA416971  Ambrosia dumosa Martha Hilend 1928-3-25 s.n. Riverside Painted Canyon. Comment
  RSA457761  Ambrosia dumosa Steve Boyd, Timothy S. Ross, L. Arnseth, D. Nordin, Richard Noyes, S. Meury 1988-3-10 2124 Riverside N. end of Palen Mtns, 2 mi west of Palen Pass. 300 Comment
  RSA603806  Ambrosia dumosa L. C. Wheeler 1931-11-26 383 Riverside 2 mi. SE Salton Bench Mark, Colorado Desert. -61 Comment
  UC31939  Ambrosia dumosa S. B. Parish Apr 4 1896-Apr 13 1896 4121 Riverside Palm Springs, (Agua Caliente); San Jacinto Mt. 152 Comment
  UCR244301  Ambrosia dumosa Jim Andre 2012-4-15 20858 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  RSA90532  Ambrosia dumosa S. Carlquist 1958-3-30 425 Riverside 2 miles west of palm Springs, on Palm-Springs-Cabazon road. Comment
  CAS-BOT-BC273011  Ambrosia salsola John Thomas Howell 1928-1-28 3285 Riverside Thousand Palms, Colorado Desert Comment
  JOTR33855  Amelanchier utahensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2715 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA623565  Ammannia robusta R. E. Riefner Jr. 1998-10-15 98 -527 Riverside Paloma Valley. Comment
  UC454658  Amorpha fruticosa I. J. Condit 1910-6-24 Riverside San Jacinto River Valley Comment
  SD73597  Amsinckia intermedia Helen V. Witham 1970-5-1 849 Riverside Bautista Canyon, southeast of Hemet 800 Comment
  UCD119702  Amsinckia intermedia R. L. Smith 1948-3-24 s.n. Riverside Foot of Murray Canyon. Comment
  UCR165426  Amsinckia intermedia A. C. Sanders 2005-4-21 29581 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR250885  Amsinckia intermedia S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1049 Riverside Lakeview Mountains, along powerline access road 0.5 mi. NE of intersection of Contour Ave. & Truffaut Dr, c. 1 mi. NE of Juniper Flats Rd. 628 Comment
  RSA0089611  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  RSA0089935  Amsinckia menziesii A. C. Sanders 2004-5-12 27859 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 378 Comment
  SEINET3004994  Amsinckia menziesii G. Rink, M. Baker 2011-4-3 10422 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  RSA0089922  Amsinckia menziesii var. menziesii H. de Forest, George C. Johnstone 1925-4-17 s.n. Riverside Cabazon. Comment
  SBBG120832  Amsinckia menziesii var. menziesii A. C. Sanders 2006-5-11 32260 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel S of intersection on Collier Ave and Riverside Dr, NE of Alberhill Crk, NW of Enterprise Way 389 Comment
  SDSU18985  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-12 522 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
  RSA0104452  Amsonia tomentosa Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-3-5 7761 Riverside Chuckwalla Mountains; a side canyon off of Irish Wash, approximately 1.5 air miles southwest of Aztec Well. 696 Comment
  HSC85270  Ancistrocarphus filagineus Steve Boyd 1986-4-22 1772 Riverside Temescal Canyon: E side of Indian Wash, S of I-15. Comment
  CLARK-A1528-4456  Andropogon glomeratus John C. Roos 1938-12-29 322 Riverside Palm Canyon Comment
  SEINET7594989 Image available Andropogon glomeratus Mary F. Spencer 1921-1 1693 Riverside San Jacinto, Near San Jacinto Comment
  CAS-BOT-BC400336  Anemopsis californica Robert F. Thorne; E. Lathrop 1969-6-6 39340 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  JEPS12261  Anemopsis californica W. L. Jepson May 17 1901-Jun 1 1901 1243 Riverside near San Jacinto Lake (Journey from Riverside to Santa Rosa Peak and Palomar); Southern California Comment
  POM153403  Anemopsis californica P. A. Munz, I. M. Johnston 1928-9-12 11302 Riverside Marsh, 1/2 mile N. of Temecula. Comment
  UCR174515  Anemopsis californica A. C. Sanders, John F. Green 2006-5-18 32377 Riverside Peninsular Range, French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  POM48874  Angelica tomentosa P. A. Munz, I. M. Johnston 1924-7-26 8708 Riverside common on north slopes, 8 mi. S of Banning. 1372 Comment
  UC218084  Antennaria rosea P. A. Munz 1922-9-7 6403 Riverside Tamarack Valley San Jacinto Mts., Tamarack Valley 2804 Comment
  UC485645  Antennaria rosea Charlotte M. Wilder 1909-8-3 1110 Riverside Whitewater Basin San Bernardino Mts., Whitewater Basin Comment
  JEPS26104  Antirrhinum coulterianum Peter H. Raven 1958-5-17 12942 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  POM14074  Antirrhinum coulterianum Philip A. Munz, D. D. Keck 1922-4-14 4999 Riverside East of White Water Ranch. 244 Comment
  UCR4534  Antirrhinum coulterianum John Dean 1965-5-26 s.n. Riverside Peninsular Range, Vail Ranch, l mi SE of Santa Margarita River on Calif. Hwy 71 306 Comment
  UCSB37910  Antirrhinum coulterianum Hood, Mary 1944-4-4 Riverside Cottonwood Creek; near Aguanga 609 Comment
  RSA262107  Antirrhinum kelloggii E. W. Lathrop 1969-5-8 7010 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR133666  Antirrhinum kelloggii Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR174456  Antirrhinum kelloggii A. C. Sanders 2006-5-19 32412 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
  SD227898  Antirrhinum nuttallianum A. C. Sanders 1994-5-15 14492 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UCR174304  Antirrhinum nuttallianum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32645 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  JEPS86510  Antirrhinum nuttallianum subsp. nuttallianum Roy E. Buck 1988-4-1 866 Riverside 7 air km w Lake Elsinore (town) (on e-facing slope above Calif Hwy 74, near top of grade w of Lake Elsinore, ca 2.0 air km wn of confluence of Harlan Canyon and Johnson Canyon); Elsinore Mountains 780 Comment
  POM354918  Antirrhinum nuttallianum subsp. nuttallianum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA125361  Antirrhinum nuttallianum subsp. nuttallianum R. Weatherby 1950-5-25 1096 Riverside 3 miles west of Lakeview Comment
Read comments
Jul 11 2012
  RSA554279  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White 1992-2-25 92 -2 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA586938  Antirrhinum nuttallianum subsp. nuttallianum D. L. Banks, Peter Morrell 1995-5-4 304 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, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  SEINET3081292 Image available Apiastrum angustifolium Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. 701 Comment
  UCR137564  Apiastrum angustifolium A. C. Sanders 2004-5-5 27772 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
  UCR113850  Apium graveolens Mitch Provance 2000-6-24 2054 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR240633  Arabis Tracy Tennant, Mitch Provance 1998-6-16 MOR- 408 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCR47280  Arabis pulchra D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  UCR151100  Arabis sparsiflora Scott D. White, Julie Greene 1998-8-1 6966 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  UCR120302  Araujia sericifera Mitch Provance 1997-7-3 1105 Riverside City of Riverside, N side Riverside Community College, just east of Magnolia Ave. 244 Comment
  RSA629148  Arctostaphylos Jon E. Keeley 1992-7-17 16771 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629375  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16860 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  UCR273500  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42600 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  RSA552710  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross 1992-2-21 6666 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  UC1120175  Arctostaphylos glandulosa subsp. glandulosa A. Lewis 1934-3-4 307 Riverside Tin Mine Canyon Cleveland N.F., Corona Quadrangle Comment
  UCR44194  Arctostaphylos glandulosa subsp. glandulosa A. C. Sanders 1986-6-1 6549 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UC1121519  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1936-8-29 680 Riverside 5 mi sw Rayneta; San Bernardino National Forest, San Jacinto Quadrangle 1524 Comment
  RSA262113  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1969-05 7028 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  POM3409  Arctostaphylos glauca L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  RSA631723  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19292 Riverside Highway 79, at Radec. 580 Comment
  RSA631727  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16502 Riverside Hills around Indian Oaks Ranch, east of Lake Skinner. 500 Comment
  RSA631832  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15528 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA5600  Arctostaphylos glauca var. eremicola C. B. Wolf 1932-10-12 4294 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  RSA228813  Arctostaphylos glauca var. glauca Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 589 Riverside Cleveland National Forest. 5 mi. south of Lake Elsinore along Forest Route 7S04. Comment
  RSA633591  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22527 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633636  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20133 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633665  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21767 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633741  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20111 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA635306  Arctostaphylos patula Jon E. Keeley 1992-11-11 22539 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  RSA635601  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16739 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  CAS-BOT-BC44326  Arctostaphylos pringlei subsp. drupacea E. P. Van Duzer 1917-6-1 s.n. Riverside Mt. Tahquitz Comment
  POM367428  Arctostaphylos pringlei subsp. drupacea Albert J. Perkins 1916-9-14 s.n. Riverside Idlewild Comment
  UC1177957  Arctostaphylos pringlei subsp. drupacea Otto T. Solbrig 1958-3-21 2515 Riverside road from Banning to Idylwild; San Jacinto Mountains, Pine Cone Summit 1920 Comment
  UCSB7361  Arctostaphylos pringlei subsp. drupacea Haller, John 1950-5-20 Riverside San Jacinto Mtns., upper Strawberry Valley, 1/2 mile (?) up San Jacinto Peak Trail 1859 Comment
  CAS-BOT-BC46343  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Idyllwild area: Hwy 243 at deer Springs trailhead and adjacent area. USGS San Jacinto Pk. 7.5' topo. 1828 Comment
  RSA635790  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16591 Riverside Standley Rd., south of Red Mtn. Rd., 8.5 km east of R3. 900 Comment
  RSA559377  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19490 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  RSA636003  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19550 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636007  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19554 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636013  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18804 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636163  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19469 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  RSA636167  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19472 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 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
  SD185195  Arctostaphylos rainbowensis S. J. Myers 1993-1-22 Riverside Santa Rosa Plateau, southwest of Mesa de Colorado, Carancho Road at Tortuga Rd. 366 Comment
  UCR274184  Arctostaphylos rainbowensis Dick Newell, Judy Booth 2015-10-25 413 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.62 miles SSE of Hacienda Rd., 0.68 mile NW of Elsinore Peak 932 Comment
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Mar 1 2020
  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
  UCR199611  Argemone munita Scott D. White, Angelia Carey 2004-7-2 10568 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  CAS-BOT-BC207126  Argythamnia lanceolata John Thomas Howell Jan. 29 1 (rest of year torn off sheet) 3298 Riverside Painted Canyon, Colorado Desert Comment
  SEINET10453712  Argythamnia neomexicana David B. Dunn 1946-3-16 Dunn 2059 Riverside Collected on dry plateau 0.5 mi NE of Pushawalla Palms (Springs). Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  RSA0043067  Argythamnia serrata Duncan S. Bell, LeRoy Gross 2014-3-20 6265 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA692195  Aristida adscensionis Scott D. White, Michael Honer 2003-5-14 9298 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine. 76 Comment
  UCD56398  Aristida adscensionis W. L. Jepson 1928-4-25 12585 Riverside Colorado Desert, Cottonwood Springs. 731 Comment
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Oct 9 2010
  RSA746807  Aristida purpurea Michael Honer 2003-7-15 1845 Riverside Rainbow area, just north of the San Diego County boundary and west of the I-15 Freeway. 366 Comment
  CAS-BOT-BC137489  Aristida purpurea var. wrightii H. S. Yates 1937-6-27 6709 Riverside Lower San Jacinto River Canyon. 640 Comment
  CAS-BOT-BC90106  Artemisia arbuscula subsp. arbuscula Louis B. Ziegler 1964-8-15 s.n. Riverside on an area of about 10 acres about 1 1/2 miles north of Kenworthy Ranger Station, Garner Valley, San Jacinto Mts. 1615 Comment
  CAS-BOT-BC90604  Artemisia dracunculus Louis C. Wheeler 1931-10-4 170 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA38403  Arundo donax P. A. Munz 1946-10-20 11580 Riverside Palms to Pines Hwy at N base of Snata Rosa Mts. 1037 Comment
  UCR25126  Asclepias albicans John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mtns., Lost Palms Canyon, north of Chiriaco Summit Comment
  RSA0104758  Asclepias californica Mitch Provance, T. Tennant 1998-6-16 MOR- 393 Riverside Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon. 1159 Comment
  RSA401650B  Asclepias californica Gale Sphon 1959-5-2 326 Riverside Horsetheif Canyon, Elsinore Mountains. Comment
  UCR59749  Asclepias californica Steve Boyd, T. Ross, et al 1989-3-31 3086 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  RSA782135  Asclepias erosa Stephanie Rockwood, Christi Gabriel 2011-10-18 131 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
  UC111250  Asclepias fascicularis H. M. Hall 1897-6-19 666 Riverside Kenworthy San Jacinto Mt. 1371 Comment
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Mar 25 2011
  UCR278882  Asclepias fascicularis Mitch Provance 2011-6-9 17197 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  SEINET12518425 Image available Asclepias subulata Mark Fishbein, Frankie Coburn, Danny Fuller 2016-1 7547 Riverside Along US Hwy 95 at jct Lonesome Dove Rd, 18 km north-northeast of jct I-10 at Blythe, west base of Big Maria Mountains, Colorado River valley. 93 Comment
  RSA356725  Aspidotis californica R. F. Thorne, Earl Lathrop 1975-5-25 45554 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  UC811349  Asplenium vespertinum P. A. Munz 1922-4-28 5036 Riverside n-facing slope Santa Ana Mts., Leach Canyon 762 Comment
  UCR90270  Astragalus aridus John Wear 1994-4-21 s.n. Riverside Coachella Valley, near Bermuda Dunes, Ave. 38 at Varner Rd 61 Comment
  CAS-BOT-BC178629  Astragalus coccineus Ivan Johnston 1917-4-4 1063 Riverside Bottom of sandy draw, Palm Canyon - Colorado Desert 640 Comment
  UC63400  Astragalus didymocarpus H. M. Hall 1904-5-19 4951 Riverside vicinity Riverside (Fairmount Park); vicinity of Riverside, Fairmount Park 243 Comment
  RSA748521  Astragalus douglasii var. parishii Justin M. Wood, Brandy Wood 2009-6-13 888 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  SBBG133360  Astragalus douglasii var. parishii S. D. White, J. M. Wood 2008-6-5 12079 Riverside Garner Valley, Hwy 74 at Thomas Mtn Rd, SW corner of junction, San Jacinto Mtns 1326 Comment
  RSA90215  Astragalus filipes F. W. Peirson 1922-5-20 3341 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  CAS-BOT-BC186907  Astragalus insularis var. harwoodii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  CAS-BOT-BC186908  Astragalus insularis var. harwoodii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colo. Desert Comment
  POM229447  Astragalus leucolobus P. A. Munz 1937-5-30 15079 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  RSA777331  Astragalus nuttallianus var. imperfectus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 828 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
  POM26519  Astragalus palmeri H. M. Hall 1902-04 2773 Riverside Coyote Canyon 305 Comment
  SD37529  Astragalus palmeri Edith A. Purer 1935-4-21 6467 Riverside Palm Springs, desert floor Comment
  CAS-BOT-BC194137  Astragalus pomonensis C. Epling; J. Ewan 1933-6-1 s.n. Riverside 5 mi. above Corona, Temescal Canyon Comment
  CAS-BOT-BC194138  Astragalus pomonensis C. L. Hitchcock; C. V. Muhlick 1962-3-16 22158 Riverside Temescal Canyon, ca. 12 mi. s.e. of Corona Comment
  POM319686  Astragalus pomonensis Patricia Wilder 1971-5-13 4947 Riverside Prado Flood control Basin; along bank at east end of top of Prado Dam. 213 Comment
  RSA160531  Astragalus pomonensis J. D. Olmsted 1959-4-18 427 Riverside Santa Ana Mtn. base. 3 miles N of Elsinore on Hwy 71 in weedy area on East side of road. 335 Comment
  RSA415658  Astragalus pomonensis N. C. Cooper 1944-5-21 1237 Riverside Hemet. 549 Comment
  UCD105192  Astragalus pomonensis A. C. Sanders; Mark Elvin, M. S. Enright 2002-4-16 24964 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont. 548 Comment
  JOTR29377  Astragalus tricarinatus La Doux, Tasha, Mike Bell 2006-5-10 1454 Riverside Joshua Tree National Park. East Deception Canyon, near park boundary Comment
  POM48357  Athyrium filix-femina P. A. Munz, I. M. Johnston 1924-7-27 8794 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  RSA614417  Athysanus pusillus D. L. Banks 1997-3-16 1550 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
  RSA66528  Athysanus pusillus F. W. Peirson 1921-3-22 2833 Riverside Murray Canyon near Palm Springs. 457 Comment
  UCR120209  Athysanus pusillus Mitch Provance 1998-3-7 153 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR98063  Athysanus pusillus A. C. Sanders 1997-3-1 19732 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  RSA703818  Atrichoseris platyphylla LeRoy Gross 2005-3-3 1606 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA776685  Atrichoseris platyphylla Duncan S. Bell, Amanda Turek 2010-4-10 798 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR93047  Atriplex argentea Steve Boyd 1985-8-7 1117 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  POM278725  Atriplex canescens Grant D. Brown 1950-12-2 592 Riverside Mockingbird Canyon, about 4 miles up the canyon 412 Comment
  RSA696734  Atriplex canescens var. laciniata J. R. Bruff 1927-10-8 s.n. Riverside Thousand Palms. Comment
  UCR214436  Atriplex canescens var. macilenta A. C. Sanders, Richard Dwerlkotte 2010-3-22 37514 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
  UCSB42261  Atriplex coronata Roos, John 1965-6-30 Riverside Perris Comment
  RSA0107425  Atriplex elegans var. elegans Duncan S. Bell 2010-10-23 1992 Riverside Northeast section of the Arica Mountians; northwest section of Rice Valley; where Midland Road crosses the railroad tracks, about 1 air mile southwest of the ghost town of Rice. 249 Comment
  SD248393  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13 190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 392 Comment
  UCR148293  Atriplex hymenelytra John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  JOTR01005  Atriplex hymenelytra Cole, James E. 1941-4-13 570 Riverside Joshua Tree National Park. PINTO PASS; 0.5 MILES NORTH OF MEEK'S CABIN Comment
  CAS-BOT-BC176538  Atriplex polycarpa S. B. Parish 1912-10-10 8262 Riverside Mecca 57 Comment
  RSA780562  Atriplex polycarpa Stephanie Rockwood, Christi Gabriel 2011-10-5 57 Riverside Corn Springs Campground. Corn Springs exit from I10. Chuckwalla Mountains Wilderness. 497 Comment
  UCR196391  Atriplex polycarpa Naomi Fraga, Lisa Rojas 2005-2-10 1416 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  POM12037  Atriplex serenana Mary F. Spencer 1921-7-16 1714 Riverside Soboba Hot Springs, San Jacinto. 579 Comment
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Mar 31 2013
  RSA689434  Atriplex suberecta R. E. Riefner 2003-5-27 3 -253 Riverside Perris Valley, Rider Street near Perris Valley Storm Drain. 483 Comment
  IRVC14693  Avena barbata Victoria Sork 1973-3-5 s.n. Riverside Elsinore, 1.5 mi N, .5 mi W of intersection of Hwys 74 & 71 [79]. Comment
  POM300738  Avena barbata Mary L. Bowerman 1931-5-13 845 Riverside Pine Canyon floor 1 mi above the sulphur spring Comment
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Feb 10 2013
  CAS-BOT-BC213222  Ayenia compacta B. D. Stark 1933-5-13 4984 Riverside Andreas Canyon, about 50 feet above stream bed. 762 Comment
  JOTR16561  Baccharis brachyphylla Hogan, J. 1974-9-27 164 Riverside Joshua Tree National Park. RYAN CAMPGROUND 1325 Comment
  POM213084  Baccharis brachyphylla C. B. Wolf 1932-10-11 4275 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  UCR264222  Baccharis brachyphylla A. C. Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  RSA575918  Baccharis emoryi Steve Boyd 1994-10-14 8377 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon., Fisherman's Camp 462 Comment
  SD9147  Baccharis glutinosa C. R. Orcutt Nov 1883 Riverside Riverside Comment
  RSA774508  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4459 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
  UCR270757  Baccharis salicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8371 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
  UCR97505  Baccharis salicifolia A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19759 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  JEPS40699  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1939-4-17 19160 Riverside Temescal Valley, Temescal Creek 304 Comment
  CAS-BOT-BC106672  Baccharis salicina W. I. Follett; E. B. Follett 1948-10-31 s.n. Riverside Road 7.3 mi. west & 7.4 mi. south of Blythe Comment
  SBBG63307  Baccharis sarothroides R. H. Nordhoff 1940-11-10 610 Riverside ca. 20 mi below Banning Comment
  CAS-BOT-BC99889  Baccharis sergiloides Carl B. Wolf 1932-10-11 4271 Riverside Colorado Desert. Little San Bernardino Mts. Morongo Wash, 3/10 mi. below San Bernardino Co. line 670 Comment
  RSA5414  Baccharis sergiloides C. B. Wolf 1932-10-11 4270 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  UC284664  Baccharis sergiloides G. B. Grant 1906-5-1 Riverside Palm Springs Colorado Desert Comment
  UCR136316  Baccharis sergiloides Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 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
  CAS-BOT-BC295902  Bahiopsis parishii H. M. Hall 1902-4-1 2783 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  RSA314489  Bahiopsis parishii R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55358 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA450421  Baileya pauciradiata J. C. Roos 1965-4-28 s.n. Riverside Palm Springs. Comment
  UCR274813  Baileya pleniradiata Aaron C. Sedgwick, David Fraker 2012-4-24 003 Riverside Sonoran (Colorado) Desert, Palen Valley south of Hwy I-10 on Dupont Road, c. 2 miles northeast of the Chuckwalla Mountains Wilderness Area 183 Comment
  CHSC109244  Barbarea orthoceras Scott D. White; Justin M. Wood 2008-6-18 12232 Riverside San Jacinto Mountains: K Flat Meadow. 1439 Comment
  UCR59811  Bassia hyssopifolia Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, E end of Vail Lake, above shoreline in drainage above 'draw down' area Comment
  POM253442  Bebbia juncea Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  RSA5168  Bebbia juncea C. B. Wolf 1932-4-26 2979 Riverside 5.5 miles E of Mecca on Blythe road lower sonoran 61 Comment
  CAS-BOT-BC100139  Bebbia juncea var. aspera Alice Eastwood 1913-4-30 3026 Riverside Palm Springs Comment
  CAS-BOT-BC100144  Bebbia juncea var. aspera Marcus E. Jones 1890-5-23 s.n. Riverside Murray Canon 487 Comment
  UC1334660  Bebbia juncea var. aspera Nancy Ryan Zabriskie 1968-10-11 167 Riverside near Palm Springs (Andreas Canyon); Andreas Canyon Comment
  UCR18763  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 488 Comment
  JEPS5610  Bergia texana Samuel B. Parish Nov 1891 Riverside Near Elsinore Comment
  LA204858  Bernardia incana Lee Haines; R. Erickson 1937-4-10 sn Riverside Palms to Pines Highway near road to Shumay Comment
  RSA336055  Bernardia incana R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52064 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  UC10091  Boechera californica H. M. Hall Jun 1901 2221 Riverside Onstatts Valley San Jacinto Mountains 1981 Comment
  UC1979645  Boechera californica Steve Boyd, D. L. Banks 1995-3-30 8405 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. Comment
  CAS-BOT-BC14161  Boechera perennans John F. Emmel 1971-3-22 330 Riverside San Jacinto Mountains. Northeast of Pinyon Flat. Dos Palmas immediately below. 1097 Comment
  CAS-BOT-BC25456  Boechera retrofracta C. L. Hitchcock 1940-4-5 5966 Riverside Above Cottonwood Spring. Comment
  JOTR34277  Boechera xylopoda La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3292 Riverside Joshua Tree National Park. Little San Bernardino Mtns; ridge just south of Quail Mountain peak; N-facing steep slope (stop 5) Comment
  POM128654  Boerhavia coccinea M. French Gilman 1927-5-22 1 Riverside Corn Springs, Chuckwalla Mts. Comment
  UCR163885  Boerhavia coccinea B. G. Pitzer 2001-8-19 4338 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  RSA0062788  Boerhavia coulteri Duncan S. Bell, Evan Meyer 2014-10-22 7653 B Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  UCR195795  Boerhavia triquetra Tasha La Doux, J. Andre 2007-9-6 134 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  CAS-BOT-BC434550  Boerhavia wrightii Marcus E. Jones 1929-9-16 s.n. Riverside Hayfields, Near Desert Center Comment
  RSA781886  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 A 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
  RSA782142  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-18 146 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
  UCR128934  Boerhavia wrightii Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  RSA356651  Boisduvalia densiflora Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47304 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA190623  Bouteloua barbata L. B. Ziegler 1967-10-10 s.n. Riverside Hemet Valley, San Jacinto Mountians. 1402 Comment
  RSA778395  Bouteloua barbata Amber Swanson, Linda Jean Foster 2011-10-8 640 Riverside Large wash off Blythe Rice Rd 270 Comment
  UCR113619  Bouteloua gracilis Stan C. Spencer 1999-12-15 s.n. Riverside San Gorgonio Pass, Beaumont, Oak Valley Golf Club 762 Comment
  UCR107391  Bowlesia incana B. G. Pitzer 1997-3-23 2972 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
  JOTR31888  Brandegea bigelovii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2138 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  RSA777776  Brandegea bigelovii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 760 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UCD107474  Brandegea bigelovii Lionel A. Strange 1956-4-1 s.n. Riverside Near Forty Nine Palms. Comment
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Feb 20 2013
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  UCSB16265  Brandegea bigelovii Winn, Will 1963-5-5 Riverside 12.7 miles NE of Pinyon Flats Campground on State Highway 74 304 Comment
  UCSB69279  Brassica fruticulosa Sanders, A. 2008-3-2 Riverside Peninsular Range: Box Springs Mtns.; Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road (Riverside East 7.5' Q.: 33d59'06"N, 117d18'06"W, 1000m) 428 Comment
  UCR126982  Brassica nigra A. C. Sanders, T. B. Salvato 2003-5-9 26593 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR48375  Brassica nigra Steve Boyd 1986-5-7 1830 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  CAS-BOT-BC36846  Brassica tournefortii John H. Thomas 1949-2-28 46 Riverside Between Banning and Palm Springs. Comment
  RSA0120476  Brassica tournefortii Duncan S. Bell 2016-3-13 8928 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  RSA483138  Brassica tournefortii Christopher Davidson, B. Gustafson 1977-4-7 5573 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 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
  CAS-BOT-BC106339  Brickellia atractyloides var. arguta Annie M. Alexander; Louise Kellogg 1941-5-10 2145 Riverside Growing in among rocks, 3 miles northweast of Cottonwood Spring, Eagle Mountains 1036 Comment
  CAS-BOT-BC106179  Brickellia desertorum S. B. Parish 1913-2-8 8432 Riverside Base of mountains southw of Travertine Rock - Salton Basin 30 Comment
  CLARK-A1528-2039  Brickellia desertorum John C. Roos 1950-9-30 4994 Riverside Box Springs Mountains 457 Comment
  RSA444676  Brickellia desertorum J. C. Roos 1965-9-12 s.n. Riverside Tin Mine Canyon, 3 mi. SW of Corona. 549 Comment
  RSA89870  Brickellia desertorum J. C. Roos 1950-9-30 4996 Riverside Box Springs Grade 0.5 mile SE of Citrus Experiment Station Riverside. 396 Comment
  UCR9106  Brickellia desertorum O. F. Clarke 1969-10-8 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus, south side of campus Comment
  OBI31830  Brickellia incana David J. Keil 1978-11-27 s.n. Riverside I-1- exit at Hayfield rd Comment
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Mar 3 2013
  JOTR32362  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2477 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  RSA198994  Brodiaea filifolia Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 37586 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  UCR157593  Bromus arizonicus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16220 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  CAS-BOT-BC149440  Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  SEINET269325 Image available Bromus berteroanus A. C. Sanders, G. Helmkamp; P. MacKay et al 1995-3-19 16168 Riverside Coachella Valley/San Jacinto Mtns. foothills: N-facing rocky slope in Chino Canyon along the Palm Springs tram road 2 490 Comment
  UCR158271  Bromus diandrus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29502 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
  UCR91522  Bromus diandrus Scott D. White 1996-3-31 3847 Riverside Lake Skinner area, Riverside Land Conservancy conservation easement site, c. 0.5 air mi south of the reservoir, near East Benton Road 534 Comment
  UCR101438  Bromus grandis A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22214 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  SBBG56628  Bromus laevipes R. Hoffmann 1929-9-6 Riverside near Tahquitz Pk Comment
  JOTR16774  Bromus madritensis subsp. rubens Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  UCR110939  Bromus marginatus George K. Helmkamp 1998-6-27 4118 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA0080355  Bromus tectorum Steve Boyd 2011-3-29 12305 Riverside Southeast end of range in south branch of Mission Canyon, just upstream from confluence with north branch. 762 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
  RSA1910  Caesalpinia virgata C. B. Wolf 1931-4-27 1091 Riverside Hidden Springs Canyon, 8.5 miles from Mecca. 6 Comment
  RSA498303  Caesalpinia virgata Robert L. Dressler 1949-3-19 394 Riverside Box Canyon, Orocopia Mts. Comment
  SEINET7347688  Caesalpinia virgata N. H. Holmgren, P. K. Holmgren 1974-3-23 7462 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  UCR18980  Caesalpinia virgata John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Cactus City, just east of the Mecca Hills on Interstate Hwy 10 [and 25 mi. east of Indio]. 500 Comment
  RSA198935  Calandrinia ciliata R. F. Thorne, E. W. Lathrop, Ora M. Clark, Sherwin Carlquist 1968-4-18 37434 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 609 Comment
  RSA728145  Calandrinia ciliata Daphne K. Christopher, Hannah Stevens, Zachary Princip 2003-4-7 111 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  UCR172199  Calandrinia ciliata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR172221  Calandrinia ciliata John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR224390  Calandrinia ciliata Justin M. Wood 2010-3-19 1431 Riverside San Gorgonio Pass, Beaumont, near Smith Creek, east of Sun Lake off South Highland Home Road 753 Comment
  UCR51068  Calandrinia ciliata 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
  RSA85454  Callitriche marginata J. C. Roos 1952-4-16 5540 Riverside Edgemont, near Box Springs. 488 Comment
  LA6440  Calocedrus decurrens Carl Epling; May 1938 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SEINET10816831  Calocedrus decurrens Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 16 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  UCR1199  Calochortus albus Bennie Brist 1960-5-7 s.n. Riverside Santa Ana Mtns., along Hwy 74 near W boundary of Riverside Co. 610 Comment
  CSUSB1198  Calochortus catalinae Leland R. Dykes 1962-4-22 35 Riverside Corona-Lake Matthews Road, 1 mile west of Lake Matthews. Comment
  CAS-BOT-BC488541  Calochortus concolor R. S. Woglum 1941-6-13 3072 Riverside Pines to Palms Road, Santa Rosa Mountains Comment
  RSA783083  Calochortus nuttallii J. D. Olmsted 1959-7-7 743 Riverside Tahquitz Creek. Tahquitz Valley ENE of Idyllwild. 2378 Comment
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Oct 18 2012
  RSA369039  Calochortus palmeri var. munzii Robert L. Rutherford 1944-7-15 1593 Riverside Palms to Pines Highway. 1463 Comment
  SBBG22940  Calochortus plummerae H. and M. Dearing 1940-6-9 4362 Riverside E of Hemet Comment
  UCR217531  Calochortus plummerae Diane Menuz 2008-6-18 464 Riverside Peninsular Range: San Jacinto Mts., Rouse Ridge, c. 2.15 km east of Hwy. 74, along Rouse Hill Rd. 956 Comment
  CAS-BOT-BC497281  Calochortus weedii var. weedii Scott D. White 1995-6-30 3420 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. confluence 365 Comment
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Dec 10 2018
  JOTR16572  Calycoseris parryi Moore, Sue 1968-4-29 s.n. Riverside Joshua Tree National Park. COTTONWOOD CANYON Comment
  JOTR34395  Calycoseris parryi Andre, Jim 2012-4-16 20926 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA791486  Calycoseris parryi J. Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21075 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  POM13054  Calycoseris wrightii Philip A. Munz 1922-4-12 4872 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  RSA176351  Calycoseris wrightii R. F. Thorne 1963-3-29 32423 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  CLARK-A1528-3815  Calyptridium monandrum John C. Roos 1952-4-23 5581 Riverside Box Springs Mountains Comment
  UCR158520  Calyptridium monandrum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30020 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR138155  Calystegia macrostegia subsp. intermedia D. L. Banks 1997-3-29 1637 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. The intersection of Magee Truck Trail and Moreno Road at the extreme southwestern corner of the Reservation 415 Comment
  RSA652944  Calystegia sepium subsp. limnophila Mitch Provance, S. D. Boyd 1999-9-14 1780 Riverside Riverside: Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp. 238 Comment
  UCR120960  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23879 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR154975  Camissonia bistorta A. C. Sanders, Kelly Volansky 2005-3-17 29219 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  SEINET5584431  Camissonia boothii Stephen Hale 2010-1 Riverside Along power line, adjacent to State Route 95 120 Comment
  UCR148297  Camissonia boothii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA145183A  Camissonia brevipes subsp. brevipes E. G. Linsley, J. W. MacSwain 1960-3-2 60 -6 Riverside Colorado Desert, 2 miles west of Desert Center. Comment
  RSA485834  Camissonia brevipes subsp. brevipes T. S. Elias 1988-2-26 10678 Riverside Eagle Mountains. East of Joshua Tree National Monument. Comment
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Mar 21 2011
  RSA720296  Camissonia californica Mitch Provance, J. S. Ross 1998-3-27 1003 Riverside Morongo Indian Reservation, road to Lion Canyon, ca. 1 mi. NE of the town of Cabazon. 549 Comment
  UCR121083  Camissonia californica A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24969 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR172716  Camissonia californica Jun Hu 2000-5-11 21 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  POM37752  Camissonia campestris subsp. campestris Marcus E. Jones 1882-4-24 3168 Riverside San Jacinto Comment
  UCR244382  Camissonia campestris subsp. campestris Jim Andre 2012-4-16 20953 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  CLARK-A1703-1257  Camissonia cardiophylla Robin L. Kobaly 1977-3-23 Riverside Box Canyon Comment
  RSA701045  Camissonia cardiophylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11290 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  CHSC8447  Camissonia chamaenerioides Edward Laidlaw Smith 1958-3-21 377 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Maria Mt. Range. Colorado River drainage area. 365 Comment
  RSA778250  Camissonia chamaenerioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 917 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR275137  Camissonia claviformis David Fraker, Aaron C. Sedgwick 2012-4-4 063 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  RSA36072  Camissonia claviformis subsp. aurantiaca C. Epling 1947-03 s.n. Riverside Mojave Desert, south edge of desert at Cottonwood Springs. Comment
  RSA726573  Camissonia claviformis subsp. aurantiaca Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Lel Lubinsky 2005-2-10 1424 Riverside Along Palen Road near Hwy 177. 170 Comment
  SEINET3141312  Camissonia claviformis subsp. claviformis R. W. Spellenberg 2001-3-25 13215 Riverside 5 km W of Blythe at junction of California. Hwy. 78 and IH-10 90 Comment
  SDSU3353  Camissonia confusa H. Wedberg 1958-3-31 204 Riverside 10.3 miles south of Hemet on Highway 79. Comment
  RSA543580  Camissonia graciliflora Steve Boyd 1991-5-7 6162 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA618175  Camissonia hirtella D. L. Banks 1997-5-5 2011 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., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UCR280966  Camissonia hirtella Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 36 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  RSA679818  Camissonia hirtella LeRoy Gross, Valerie Soza 2003-5-8 831 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA524428  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4124 Riverside Vail Lake area, upper benches and adjacent slopes of E flank of Big Oak Mountain, S of E summit. 610 Comment
  UCR241105  Camissonia ignota A. C. Sanders, Timothy W. Chumley 2013-4-2 40743 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA448993  Camissonia pallida N. R. Zabriskie, Walter Zabriskie 1973-4-25 646 Riverside Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. (site 22) 915 Comment
  RSA339671  Camissonia pallida subsp. hallii Robert F. Thorne, C. W. Tilforth 1980-5-28 54222 Riverside San Bernardino Mountains: rocky and sandy wash along Whitewater River, ca. 3.2 miles N of Whitewater PO and Highway 10. Comment
  RSA314653  Camissonia pallida subsp. pallida Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55417 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA550354  Camissonia refracta Walter Wisura, J. Dolan, M. Wall 1992-3-24 4634 Riverside 13.1 mi NE of Mecca on Box Canyon Rd. seed voucher Comment
  RSA735318  Camissonia refracta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11283 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SEINET3406125 Image available Camissonia refracta Jim Andre, T. La Doux 2009-2-25 10821 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center. (Sidewindser Well 7.5' Q.) 129 Comment
  UCR92486  Camissonia refracta George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  POM157940  Camissonia strigulosa P. A. Munz 1927-5-21 10829 Riverside Coahuila [Cahuilla] Valley. 1220 Comment
  POM38020  Camissonia strigulosa Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA741072  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-5 12080 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR75528  Camissonia strigulosa A. C. Sanders 1993-5-17 14064 Riverside San Jacinto Valley, Hemet, south side Florida Ave (Hwy 74) on east side of California Ave. 460 Comment
  SDSU3339  Camissoniopsis bistorta H. Wedberg 1958-3-30 579 Riverside On ellis Ave. at junction with Menifee Road. Southeast of Perris and north of Hwy 74. 466 Comment
  SJSU1868  Camissoniopsis bistorta J. W. Tilden 1957-4-18 1101 Riverside near Whitewater E of San Gorgonio Pass Comment
  SDSU3393  Camissoniopsis pallida subsp. hallii H. Wedberg 1958-4-4 232 Riverside About 200 feet below San Bernardino County line in Morongo canyon wash. Comment
  UCR114298  Capsella bursa-pastoris Julie A. Greene 1993-4-10 1174 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  UCR277745  Cardamine Mitch Provance 2011-7-29 17039 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  SEINET7063053  Cardionema ramosissimum A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  SEINET2049002 Image available Carduus pycnocephalus Rand C. Isbell 1970-5-23 9 Riverside Box Springs Mountains, Found on slopes on eastern sides of the mountains. 671 Comment
  CAS-BOT-BC18027  Carex athrostachya Peter Kamb 1948-7-4 1177 Riverside San Jacinto Mountains. Hall Canyon. 1645 Comment
  RSA41335  Carex douglasii J. C. Roos 1943-10-16 2739 Riverside Little San Bernardino Mountains. 1372 Comment
  RSA364639  Carex jonesii M. B. Dunkle 1933-7-22 3741 Riverside Tahquitz Valley. 2317 Comment
  UC72391  Carex multicostata H. M. Hall 1901-7 2492 Riverside Lake Surprise San Jacinto Mountains 2499 Comment
  CAS-BOT-BC118510  Carex praegracilis Earl W. Lathrop 1959-5-17 4553 Riverside 10 mi W of Murrieta Comment
  UCR143644  Carex praegracilis A. C. Sanders, Et al. 1996-5-1 18119 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  RSA0079909  Carex rossii Peter H. Raven 1959-5-17 14228 Riverside Lake Fulmor, San Jacinto Mountains. Comment
  RSA769172  Carex sartwelliana P. F. Zika, Nick Otting 2010-8-6 25299 Riverside North Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest, San Jacinto Mountains 1910 Comment
  UCD140783  Carex sartwelliana P. Zika; N. Otting, K. Kramer 2010-8-6 25301 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground. San Jacinto Mountains. 1785 Comment
  CHSC88475  Carex senta L. P. Janeway 2004-5-8 8063 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; along the creek 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. 384 Comment
  POM49862  Carex senta Phillip A. Munz, I. M. Johnston 1924-7-27 8759 Riverside Dark Canyon, San Jacinto Mountains 2287 Comment
  UCR150987  Carex senta L. C. Wheeler 1961-6-20 7893 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  RSA621504  Carex spissa Darin L. Banks 1997-11-15 2197 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. 549 Comment
  UC1219  Carex subfusca H. M. Hall July, 1901 2416 Riverside near summit San Jacinto Mountains 3291 Comment
  UCR23673  Carthamus tinctorius John C. Roos 1965-7-7 s.n. Riverside San Bernardino/San Jacinto Mtns, Beaumont Comment
  RSA703538  Carthamus tinctorius R. E. Riefner Jr. 2004-4-27 04 -144 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  HSC82838  Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer 1986-3-1 6041 Riverside Hayfield Lake, NW end of the lake ca 0.5 mi. SW of the pumping station 412 Comment
  RSA448699  Castilleja applegatei subsp. martinii M. B. Dunkle 1933-7-19 3672 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  UC454834  Castilleja applegatei subsp. martinii I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 2743 Comment
  JEPS13247  Castilleja foliolosa Annie M. Alexander and Louise Kellogg 1941-4-24 2081 Riverside w side Dry Morongo Creek Gorge; Morongo Valley, Dry Morongo Creek Gorge 640 Comment
  RSA33474  Castilleja foliolosa N. C. Cooper 1944-5-7 1182 Riverside Banning. 701 Comment
  RSA33565  Castilleja foliolosa N. C. Cooper 1944-3-24 1020 Riverside Banning. 701 Comment
  RSA734502  Castilleja minor subsp. spiralis M. Wall 2008-6-16 458 Riverside East of Hemet off Hwy 74, plants locally common on moist banks of the San Jacinto River, ca. 2.0 miles east of the Cranston Ranger Station. 638 Comment
  UCR104181  Castilleja minor subsp. spiralis Scott D. White 1997-5-25 5249 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR193419  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35630 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR233081  Castilleja minor subsp. spiralis T. B. Salvato, Richard Camacho 2011-6-12 5496 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  JOTR16634  Caulanthus cooperi Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH JUMBO ROCKS 1280 Comment
  RSA543766  Caulanthus hallii Steve Boyd, Timothy S. Ross, Mike Hammitt 1978-4-23 52071 Riverside Vail lake region, SW & W flanks of Billy Goat Mountains 2 mi. N Hwy 79, 1 mi W of Hwy 371, N of Aguanga. 600 Comment
  SBBG50745  Caulanthus hallii R. S. Woglum 1941-5-17 3055 Riverside Horse Cyn, NE off Coyote Cyn Comment
  RSA495458  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2986 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  SDSU18384  Caulanthus heterophyllus C. Matt Guilliams 2008-2-21 467 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. 449 Comment
  UC64615  Caulanthus simulans H. M. Hall May 17, 1901-Jun 1, 1901 Riverside Coahuilla , summit Nigger Jim Hill 1524 Comment
  SEINET13945794 Image available Ceanothus cordulatus Carl B. Wolf 1932-1 3990 Riverside San Jacinto Mts. Strawberry Valley, base of Devil's Slide Trail to Tahquitz Valley 1707 Comment
  SD2995  Ceanothus crassifolius Edmund C Jaeger 1925-12-23 Riverside Aguanga 3200 Comment
  SFV2219  Ceanothus cuneatus P. G. Kilburn 1958-5-31 835 Riverside San Jacinto Mountains Hemet Valley. 10.6 miles south of campground turnoff road, north of Idylwild. 1372 Comment
  SEINET13945817 Image available Ceanothus cuneatus S. Lambert 1981-1 1937 Riverside San Bernadino Natl. Forest, 14.45 mi. E of Hemet, SW slope 1219 Comment
  RSA500224  Ceanothus greggii var. perplexans Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3252 Riverside San Jacinto Mountains. Pinyon Flats-Ribbonwood area north of Hwy 74, near area of white rock outcrops. Comment
  CAS-BOT-BC51277  Ceanothus leucodermis E. W. Lathrop 1965-4-4 5642 Riverside 8 mi. W. of Murrieta Comment
  POM48899  Ceanothus leucodermis P. A. Munz, I. M. Johnston 1924-7-29 8856 Riverside 7 mi SE of Poppet Flat, San Jacinto Mts. 1524 Comment
  SBBG4361  Ceanothus leucodermis M. Van Rensselaer 1937-7-21 Riverside below Idyllwild Comment
  POM305352  Ceanothus oliganthus Henry J. Ramsey, Henry J. Ramsey 1938-2-25 666 Riverside Temecula Comment
  RSA398912  Ceanothus oliganthus Anstruther Davidson 1921-4-1 3406 Riverside Banning. Comment
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Mar 27 2011
  HSC84228  Ceanothus oliganthus var. sorediatus Dave Hawks 1987-3-2 Riverside S of Hemet, intersection of Palm Ave. and Saddle Ridge Trail 473 Comment
  RSA570228  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7897 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
  POM301624  Ceanothus palmeri Carl B. Wolf 1941-8-12 11145 Riverside Keen Camp Summit, between Keen Camp P.O. and Helmet Valley. 1494 Comment
  RSA601167  Ceanothus palmeri Scott D. White 1996-8-15 4476 Riverside Idyllwild area: USFS Rd. 5S10 at jct w/ foot trail 2E16, at an intermittent stream channel. 1646 Comment
  SD229242  Ceanothus palmeri Dick Schwenkmeyer 2012-4-17 692 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR269223  Ceanothus vestitus T. B. Salvato, Arlee Montalvo 2015-8-22 8239 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  UCR130875  Cenchrus spinifex A. C. Sanders, K. C. Rose 1999-5-28 22789 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 18 Comment
  RSA741579  Centaurea melitensis Scott D. White, Justin M. Wood 2008-6-17 12174 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR227808  Centaurea melitensis Duncan S. Bell, Joy England 2010-6-7 1266 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.4 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 780 Comment
  UC22695  Centaurium venustum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR108366  Ceratophyllum demersum L. C. Wheeler 1961-6-24 7912 Riverside San Jacinto Mountains, Fulmor Lake Comment
  SEINET10543169  Cercocarpus ledifolius David B. Dunn 1946-8-17 Dunn 2721 Riverside Along trail 0.25 miles to hidden lake from round meadow 2441 Comment
  SDSU13940  Cercocarpus minutiflorus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2151 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UCR270193  Cercocarpus minutiflorus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42414 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, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  RSA674959  Chaenactis artemisiifolia Scott D. White, Teresa Salvato 2001-6-8 8568 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  CAS-BOT-BC276398  Chaenactis carphoclinia N. Aitkenhead 1977-2-3 2112 Riverside At intersection of T/L with Chuckwalla Road Comment
  RSA0130726  Chaenactis carphoclinia Glen Rink 2013-3-18 11878 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  SEINET9118568  Chaenactis carphoclinia D. Myrick 1966-1 1349 Riverside Desert Hot Springs, desert slope adjoining Linda Vista Lodge. Comment
  CHSC106490  Chaenactis carphoclinia var. carphoclinia T. Stoughton; J. McConnaughy, D. Monks, M. volke 2010-4-21 154 Riverside Colorado Desert; Little San Bernardino Mountains region: N of Desert Center, Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  RSA93827  Chaenactis carphoclinia var. carphoclinia F. W. Peirson 1926-2-22 6504 Riverside Thousand-Palms Canyon. 152 Comment
  CAS-BOT-BC276917  Chaenactis fremontii Geo. B. Grant 1906-4-20 6708 Riverside Palm Springs Comment
  CAS-BOT-BC276930  Chaenactis fremontii H. M. Hall 1902-4-1 2807 a Riverside Colorado Desert. Coyote Canyon 152 Comment
  RSA151072  Chaenactis fremontii Peter H. Raven 1962-4-7 17114 Riverside Whitewater Wash 1.5 miles north of U.S. Highway 70--99. Comment
  RSA339646  Chaenactis fremontii R. F. Thorne, C. W. Tilforth 1980-5-28 54239 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA708416  Chaenactis fremontii Scott D. White 2005-3-29 10837 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
  UCD130326  Chaenactis fremontii C. L. Hitchcock 1966-3-16 24208 Riverside Along Palms to Pines Highway, 7 mi. s. of Palm Desert. 609 Comment
  UCR208481  Chaenactis fremontii Justin M. Wood 2009-3-26 411 Riverside Coachella Valley, Bermuda Dunes, Ave 38, between Washington St and Hwy I-10 43 Comment
  UCR88110  Chaenactis fremontii A. C. Sanders, G. Nuhn 1995-4-20 16585 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
  UCR123233  Chaenactis glabriuscula S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  CAS-BOT-BC277414  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1965-5-9 5744 Riverside 6 miles W of Murrieta Comment
  HSC87021  Chaenactis glabriuscula var. glabriuscula K. Harper 1988-5-14 Riverside San Jacinto Mtns.; road to the N of Castile Canyon Dr. at Poppet Fla, off Hwy. 243 Comment
  SD137902  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-5-3 191 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain. 515 Comment
  POM6607  Chaenactis glabriuscula var. lanosa Philip A. Munz, L. T. Street, Williams 1919-3-28 2372 Riverside San Gorgonio Pass, near Banning 701 Comment
  UCR110979  Chaenactis parishii George K. Helmkamp 1998-6-27 4092 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  JOTR37461  Chaenactis stevioides Hodges, Stephen, T. Green 2016-5-5 583 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  RSA25309  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA234107  Chaenactis stevioides var. brachypappa R. F. Thorne, R. Carolin 1967-3-21 41637 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA339341  Chamaesyce R. F. Thorne, W. A. Tilforth 1980-5-28 54175 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  VVC2185  Chamaesyce abramsiana Tim Thomas, Paul Frank, Art Schuab, Mike Honer 2012-9-5 5884 Riverside Colorado River Valley, Wilson Road; 0.3 miles west of the river. 104 Comment
  SFV11876  Chamaesyce micromera R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  JEPS19346  Chamaesyce polycarpa I. W. Clokey, B. C. Clokey, and C. B. Clokey 1930-4-15 4732 Riverside Perris-Gavilan Peak 600 Comment
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Jul 5 2010
  JEPS52387  Chamaesyce polycarpa Ethel Rockwell 400 Riverside northwest Colorado Desert, Edom Comment
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Sep 7 2011
  SEINET3165335  Chamaesyce polycarpa L. S. Rose 1936-12-18 36790 Riverside Palm Springs 138 Comment
  SJSU4459  Chamaesyce polycarpa G. B. Youngberg 1956-3-27 179 Riverside hills near La Sierra College, Arlington 300 Comment
  RSA433  Chamaesyce polycarpa var. hirtella J. T. Howell 1927-4-1 521 Riverside Near Mission Creek, Colorado Desert 457 Comment
  RSA627497  Chamaesyce prostrata L. C. Wheeler 1965-6-27 8691 Riverside Corona: Overboltzer's Grove. Comment
  CDA4772  Chamaesyce serpens Scott D. White 1998-6-28 6795 Riverside Coastal Plains and Basins; San Bernadino Basin region; Corona: River Road bridge over the Santa Ana River. Comment
  RSA638208  Chamaesyce serpillifolia L. C. Wheeler 1965-6-27 8690 Riverside Corona: Overboltzer's Grove. Comment
  JOTR30084  Chamaesyce setiloba La Doux, Tasha, Bill Truesdell 2006-10-3 1905 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  POM11675  Cheilanthes covillei P. A. Munz, I. M. Johnston 1922-5-19 5435 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA85548  Cheilanthes covillei F. W. Peirson 1928-11-30 8213 Riverside about 1 mile north of Cottonwood Spring, northeast of Mecca. Comment
  UC399602  Cheilanthes covillei I. M. Johnston 1918-4-3 1830 Riverside San <Jaciento> Canyon; San <Jaciento> Mts 685 Comment
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Nov 20 2011
  RSA685778  Cheilanthes newberryi Paul C. Silva 1947-4-5 2036 Riverside Los Alamos Canyon, Elsinore 762 Comment
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Jul 8 2009
  UCR97754  Cheilanthes newberryi A. C. Sanders 1997-3-1 19729 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  CAS-BOT-BC70334  Cheilanthes parryi Ira L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  IRVC3136  Cheilanthes parryi R. H. Whittaker, W. A. Niering 1963-6-1 SJ 137 Riverside Palms to Pines Hwy. Santa Rosa Mountains 701 Comment
  RSA0043063  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2014-3-20 6269 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA718776  Cheilanthes parryi Michael Honer, L. Hulse 2004-4-3 1925 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  RSA598056  Cheilanthes viscida S. B. Parish, W. F. Parish 1881-03 506 Riverside Whitewater, desert side of San Bernardino Mts. Comment
  CDA23353  Chenopodium album Magally 2007-12-1 PDR# 1377324 Riverside Thermal, S-E Jacson & 58th Ave 0 Comment
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May 21 2016
  CSUSB1380  Chenopodium album Holzmiller 1966-3-29 Riverside Foothills of Mary Knoll 304 Comment
  RSA785467  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  RSA621895  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3634 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  UC1394437  Chenopodium berlandieri H. A. Wahl 1966-9-17 21804 Riverside 5 mi s Idyllwild; San Jacinto Mountains 914 Comment
  UCR115434  Chenopodium berlandieri Scott D. White 1994-6-23 2095 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR128249  Chenopodium berlandieri A. C. Sanders, Kelly Volansky 2003-10-16 27333 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA561512  Chenopodium berlandieri var. sinuatum Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7661 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
  UCR114616  Chenopodium berlandieri var. zschackei Mitch Provance 2000-9-1 2223 B Riverside Juupa Mtns., Belltown/Rubidoux area, along the RR tracks on the E side of Rubidoux Blvd at the SW side of Crestmore Hill (Riverside Cement Company). 274 Comment
  UCR201431  Chenopodium californicum Scott D. White, Justin M. Wood 2008-6-17 12170 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR193905  Chenopodium fremontii A. C. Sanders, Mitch Provance 2008-7-11 35780 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
  RSA711844  Chenopodium glaucum A. C. Sanders 2002-12-13 25663 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway. 366 Comment
  OBI70667  Chenopodium hians Louis C. Wheeler 1945-10-6 6138 Riverside San Jacinto Mts. head of W fork of Snow Crk. T4S R2E sec 12 2377 Comment
  RSA455306  Chilopsis linearis E. C. Jaeger 1922-6-18 s.n. Riverside Banning. Comment
  SD237355  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-7-11 35824 Riverside South Coast: San Jacinto Valley: Gilman Springs Road, 1.13 mi. (air) south of Eden Hot Springs, below Mt. Eden. 449 Comment
  UCR47323  Chilopsis linearis B. G. Pitzer, J. L. Hall, H. P. Hall 1987-5-23 0565 Riverside San Bernardino Mtns., Whitewater Canyon, c. 0.25-0.50 mi north of Trout Farm, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. 732 Comment
  UC1280918  Chilopsis linearis subsp. arcuata H. E. McMinn 1935-6-27 4075 Riverside Palm Springs Comment
  UCR272663  Chilopsis linearis subsp. arcuata Sarah J. De Groot, Duncan S. Bell 2015-5-14 7373 Riverside SE San Bernardino Mtns./Sonoran Desert, White Water, along Pacific Crest Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome 768 Comment
  CAS-BOT-BC451360  Chimaphila menziesii H. M. Hall 1897-6-16 s.n. Riverside San Jacinto Mts. 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
  RSA0034932  Chorizanthe brevicornu A. Lee Haines 1974-7-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  RSA33519  Chorizanthe brevicornu var. brevicornu N. C. Cooper 1944-5-6 1168 Riverside Devils Garden Near Whitewater. 457 Comment
  RSA392607  Chorizanthe brevicornu var. brevicornu M. B. Dunkle 1933-5-6 3450 Riverside Painted Canyon Comment
  UCR228165  Chorizanthe brevicornu var. brevicornu Dave Silverman, Onkar Singh 2010-3-26 7852 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of McCoy Mtns, NW of Blythe, 3.0 km E of Black Creek Rd, c. 4.3 km W of McCoy Wash, and c. 8 km N of I-10 142 Comment
  RSA781395  Chorizanthe corrugata Duncan S. Bell 2010-5-1 902 A Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  UC70080  Chorizanthe corrugata E. E. Schellenger Apr. 1905 Riverside Santa Maria Mountains Colorado Desert, Santa Maria Mountains Comment
  UCR33682  Chorizanthe corrugata Faulkner 1978-3-30 409 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  UCD99733  Chorizanthe leptotheca R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR139156  Chorizanthe leptotheca S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR251299  Chorizanthe parryi var. parryi T. B. Salvato, Mike Landers 2013-3-21 7413 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  CAS-BOT-BC257184  Chorizanthe polygonoides var. longispina Mrs. C. M. Wilder 1906-5-29 s.n. Riverside West Riverside Comment
  RSA543592  Chorizanthe polygonoides var. longispina Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6143 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  UCR121690  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-5-10 2348 Riverside Lake Skinner area, Lake Skinner County Park, 3,000 ft. (~0.5 mi.) west of 'Old' Warren Road and 9,800 ft. (~1.9 mi.) west of 'Old' Warren Road and 1,300 ft. (~0.25 mi.) south of access road. 471 Comment
  RSA709909  Chorizanthe rigida Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4614 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR74364  Chorizanthe rigida Theo Glenn 1991-4-30 91- 66 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  RSA0102795  Chorizanthe spinosa Duncan S. Bell, Kay Evelina Lewis-Jones, Isaac Marck, Evan Meyer 2015-4-23 8105 Riverside Rice Valley, to the east of the Arica Mountains, about 6 air miles south southeast of the ghost town of Rice. 211 Comment
  UCR27655  Chorizanthe staticoides John C. Roos 1960-6-5 s.n. Riverside Peninsular Range; Santa Ana Mtns., off the Ortega Hwy, NE slope of Sugarloaf Peak [=Pleasants Peak] 1067 Comment
  RSA314670  Chorizanthe xanti var. leucotheca Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55494 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCSB11821  Chrysolepis sempervirens Creighton, B. 1961-5-6 Riverside at upper end of road to Black Mtn. Lookout, which begins 6.5 miles northeast of Banning-IdylIwild road, 18.2 miles south of Banning, San Jacinto Mountains 2286 Comment
  RSA643806  Chrysothamnus paniculatus A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer, et al. 1996-11-9 19647 Riverside Colorado Desert: Orocopia Mtns., near Bob's Cabin, 5 mi. (Air) S of Hayfield Pump Sta., E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo. 610 Comment
  SD260086  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct. 127 Comment
  UCR245232  Chylismia brevipes subsp. brevipes Jim Andre 2012-3-19 21321 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  CDA37653  Chylismia claviformis M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  JOTR34374  Chylismia claviformis subsp. aurantiaca Andre, Jim 2012-4-16 20894 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  SBBG5103  Chylismia claviformis subsp. aurantiaca K. K. Muller 1958-3-22 915 Riverside Hwy 60, 7 mi E of Desert Center Comment
  UC73288  Chylismia claviformis subsp. aurantiaca M. F. Gilman 1904-1 Riverside Banning Comment
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Mar 13 2011
  UCSB12723  Chylismia claviformis subsp. peirsonii Dearing, Hugh; Dearing, Margaret 1930-4-13 Riverside Colorado desert between El Centro and Palm Springs Comment
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Jan 7 2015
  RSA0070671  Cirsium californicum E. W. Lathrop 1973-6-28 7442 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1220 Comment
  JEPS59213  Cirsium occidentale var. occidentale W. L. Jepson and H. M. Hall 1901-5-31 1563 Riverside Temescal Wash Dripping Spring, Temescal Wash 335 Comment
  RSA562465  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross 1992-5-5 7224 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  CAS-BOT-BC286382  Cirsium occidentale var. venustum J. E. Cole 1942-5-10 958 Riverside Joshua Tree National Monument 1341 Comment
  SBBG133363  Cirsium scariosum var. citrinum S. D. White, J. M. Wood 2008-5-15 11975 Riverside Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom, San Jacinto Mtns 1357 Comment
  POM13216  Cistanthe ambigua E. C. Jaeger 1921-04 1130 Riverside Painted canyon, near Mecca. Comment
  POM182082  Cistanthe monandra P. A. Munz 1932-3-14 11978 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  SD152804  Clarkia bottae Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7339 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. 366 Comment
  UCR35361  Clarkia epilobioides L. B. Ziegler 1969-5-12 360 Riverside San Jacinto Mtns, Lower Bautista Canyon 610 Comment
  CLARK-A1528-2657  Clarkia rhomboidea Pam Maynard 1974-5-27 Riverside Mount San Jacinto 1280 Comment
  RSA448337  Clarkia rhomboidea N. C. Cooper 1949-6-29 4349 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  RSA0059956  Clarkia unguiculata J. C. Roos, L. Roos 1952-4-28 5587 Riverside South side Fairount Park. 259 Comment
  RSA69362  Claytonia parviflora subsp. parviflora G. R. Campbell 1951-5-30 16115 Riverside 9 miles west of Anza. 1067 Comment
  JOTR35135  Claytonia parviflora subsp. utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3246 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  POM11521  Claytonia parviflora subsp. utahensis P. A. Munz 1922-6-30 5909 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA614413  Claytonia parviflora subsp. viridis D. L. Banks 1997-3-16 1546 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
  UCR60610  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3174 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  UCR214129  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37743 A Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  RSA613430  Clematis D. L. Banks 1997-4-5 1662 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  RSA726824  Clematis lasiantha Steve Boyd, Aydee Virgen 2004-4-13 10867 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCSB9460  Clematis lasiantha Lloyd, Robert 1959-4-17 Riverside 4 miles south of West Corona on the Oak Flats Fire Road; Santa Ana Mt. Range 381 Comment
  RSA386290  Clematis pauciflora E. Crow 1929-3-17 199 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA747517  Clematis pauciflora Justin M. Wood 2009-3-10 343 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  POM90994  Clematis pauciflora E. C. Jaeger 1925-12-11 s.n. Riverside Aguanga. Comment
  CLARK-A1528-2205  Coldenia palmeri John C. Roos 1947-2-1 3225 Riverside Painted Canyon Comment
  SD143712  Collinsia concolor Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20667 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of Peak 3740 1067 Comment
  UCR44154  Collinsia concolor A. C. Sanders, B. Pitzer 1986-4-30 6477 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  UCR169394  Collinsia heterophylla T. B. Salvato, John F. Green 2004-5-27 596 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
  JEPS6220  Collinsia parviflora W. L. Jepson May 17 1901-Jun 1 1901 1300 Riverside Strawberry Valley; Mt San Jacinto 1676 Comment
  RSA463104  Conium maculatum Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
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May 6 2020
  RSA544410  Conium maculatum Steve Boyd, Timothy S. Ross 1991-6-14 6378 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 Spings. Comment
  UCR158854  Convolvulus arvensis Scott D. White 1994-6-23 2093 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR87116  Convolvulus simulans Steve Boyd 1991-5-10 6219 Riverside Santa Ana Mtns, Temescal Canyon, E base of mountains, just SE of Indian Truck Trail off ramp of Hwy I-15, south of DePalma Road 366 Comment
  CAS-BOT-BC168173  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
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Jul 9 2019
  RSA601163  Cordylanthus nevinii Scott D. White 1996-8-16 4484 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  POM13883  Cordylanthus rigidus subsp. setiger E. C. Jaeger 1921-7-15 1180 Riverside Massacre Canyon Comment
  HSC5411  Coreopsis californica C. L. Hitchcock, C. V. Muhlick 1964-3-22 23262 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  CAS-BOT-BC101304  Corethrogyne filaginifolia Wesley Griesel 1962-9-18 744 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  SD229082  Corethrogyne filaginifolia Dick Schwenkmeyer 2011-8-25 656 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  UC1211956  Corethrogyne filaginifolia Otto T. Solbrig 1958-8-18 2759 Riverside on Hwy 78 2 mi w Temecula (w side of stream on road bank) Comment
  POM13094  Coryphantha alversonii P. A. Munz 1922-4-12 5014 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  CLARK-A1528-200  Cotula australis Susan Larisch 1963-2-20 12 Riverside Highgrove Comment
  SD137898  Cotula australis Steve Boyd, Dain Banks 1995-4-5 8426 Riverside Palomar Range, Agua Tibia Wilderness Area, eastern edge of the Dripping Springs Alcove. 609 Comment
  CAS-BOT-BC175810  Crossosoma bigelovii P. A. Munz 1935-4-8 13834 Riverside Sheephole Mts., southern Mojave Desert 1066 Comment
  JEPS13812  Crossosoma bigelovii Marjorie D. Clary 1932-1-22 657 Riverside sw Coral Reef (canyons at base of mts.); Santa Rosa Mountains, Coachella Valley Comment
  RSA342045  Crossosoma bigelovii R. F. Thorne 1980-4-16 54085 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  POM91962  Crossosoma bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA708172  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UC63984  Croton californicus L. D. Copeland May 1904 Riverside Palm Springs Colorado Desert Comment
  UCR161013  Croton californicus Mark S. Brunell, M. Okada 1993-5-29 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs area, SW corner of Hwy 111 and Gene Autry Trail 104 Comment
  UCR235075  Croton californicus A. C. Sanders, John F. Green 2012-6-1 40226 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  CLARK-A1656-886  Croton californicus var. mohavensis Jim Cornett 1977-6-25 Riverside Desert Hot Springs Comment
  RSA70554  Croton californicus var. mohavensis F. W. Peirson 1920-2-14 s.n. Riverside Whitewater Station, Colorado Desert Comment
  UCR110388  Crypsis vaginiflora A. C. Sanders, Mitch Provance 1999-9-26 23081 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  RSA773183  Cryptantha Duncan S. Bell, Joy England 2010-5-27 1135 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1354 Comment
  JOTR29432  Cryptantha angustifolia La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1366 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  JOTR35387  Cryptantha angustifolia Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 175 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  POM6571  Cryptantha angustifolia P. A. Munz, L. T. Street, G. Williams 1919-3-28 2380 Riverside Palm Canyon 183 Comment
  UCR196109  Cryptantha angustifolia Jim Andre, T. La Doux 2006-4-11 8141 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  UCSB5531  Cryptantha angustifolia Beeks, Richard 1952-4-4 Riverside U.S. 99, opposite Twentynine Palms turnoff Comment
  RSA49167  Cryptantha barbigera P. A. Munz 1949-4-13 13045 Riverside above Cottonwood Springs, west end Eagle Mts. Colorado Desert 1098 Comment
  UCD119003  Cryptantha barbigera G. H. Vansell 1928-4-1 s.n. Riverside Coachella Valley. Comment
  RSA777765  Cryptantha barbigera var. barbigera Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1086 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  GMDRC3552  Cryptantha costata J. Andre, T. La Doux 2009-2-25 10818 Riverside Palen Dry Lake: Palen Dry Lake: SE margin of the playa, approx 40 mi. W. of Blythe, 6 mi. N. of I-10, E. of Desert Center. USGS 7.5 min. Quad: Sidewinder Well 33 deg. 42.637' N 115 deg. 12.163' W. Elev. 423 ft. 129 Comment
  RSA685135  Cryptantha decipiens A. C. Sanders, K. Rose, D. Woodard 1995-3-22 16212 Riverside Coachella Valley: mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point and Interstate 10. 370 Comment
  RSA732137  Cryptantha intermedia J. Andre 2006-4-26 8151 Riverside Joshua Tree National Park: upper Long Canyon. 1056 Comment
  RSA744305  Cryptantha intermedia Michael Wall 2009-3-27 499 -D Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  UCD119858  Cryptantha intermedia R. N. Raynor 1938-6-20 s.n. Riverside Pines to Palms Highway, between Hemet and Idyllwild. Comment
  UCR133047  Cryptantha intermedia Jeri Hirshberg 1989-3-20 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, c. 0.5 mile (air) south of Mesa de Burro, just north of Mesa de la Punta 610 Comment
  UCR162276  Cryptantha intermedia S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR187471  Cryptantha intermedia Diane Menuz 2006-5-16 091 Riverside Peninsular Range, Tule Creek watershed off Happy Valley Road, Dry Ranch, 2.5 miles NE of Aguanga 738 Comment
  UCR60611  Cryptantha intermedia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3172 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  RSA771753  Cryptantha intermedia var. intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4630 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JOTR29373  Cryptantha maritima La Doux, Tasha, Mike Bell 2006-5-10 1450 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA524410  Cryptantha maritima Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4102 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
  RSA735320  Cryptantha maritima Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11252 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
  UC1514466  Cryptantha maritima Rimo Bacigalupi with Paul Hutchison 1958-2-19 6199 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  SEINET10456345  Cryptantha maritima David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3738 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA562062  Cryptantha micrantha Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6921 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UC24834  Cryptantha micrantha W. G. Wright 1890-1 1772 Riverside Colorado Desert Comment
  UCR279392  Cryptantha micrantha subsp. micrantha A. C. Sanders, Jim Malusa 2017-3-24 42985 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA499654  Cryptantha micrantha var. lepida N. C. Cooper 1944-5-20 1249 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1219 Comment
  UCR162400  Cryptantha microstachys 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
  UCR213566  Cryptantha microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37813 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  POM98095  Cryptantha microstachys P. A. Munz 1925-5-19 9823 Riverside 2 miles west of Dripping Springs. 426 Comment
  UC24693  Cryptantha muricata H. M. Hall Jul 1901 2250 a Riverside Fuller's Mills San Jacinto Mountains 1767 Comment
  UCR216254  Cryptantha muricata Oleg Pryadko 2008-5-2 050 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  RSA0079412  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4032 B Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR102937  Cryptantha nevadensis George K. Helmkamp 1998-4-4 3127 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR72186  Cryptantha nevadensis Theo Glenn 1992-3-31 92- 5 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCR216089  Cryptantha pterocarya var. cycloptera Jim Andre, T. La Doux 2009-2-25 10808 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR15893  Cryptantha racemosa George K. Helmkamp 1979-4-18 s.n. Riverside Little San Bernardino Mtns/Sonoran (Colorado) Desert, Berdoo Canyon, 3.5 mi north of Dillon Road 457 Comment
  CLARK-A1045-121  Cryptantha utahensis George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  UC180109  Cryptantha utahensis Charlotte M. Wilder 1907-4-9 870 Riverside from Palm to Murray Canyon (below junction of washes); Colorado Desert Comment
  UC1075573  Cucurbita palmata P. C. Everett and E. K. Balls 1956-5-2 21550 Riverside 1 mi. from turn-off w. of Desert Center to Eagle Mt. 274 Comment
  SD119910  Cuscuta californica var. papillosa Louis B. Ziegler 1972-6-10 479 Riverside Hills on south side of San Jacinto Valley (west of Ramona Bowl) 490 Comment
  UC23234  Cuscuta californica var. papillosa S. B. Parish Apr 4 1896-Apr 13 1896 4130 Riverside Palm Springs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt. 152 Comment
  SD87554  Cuscuta campestris Frank W. Peirson 1932-11-26 9659 Riverside Just south of Palm Grove, 1000 Palms. 120 Comment
  UCD84491  Cuscuta denticulata Chuck Hughes 2010-6-11 147 Riverside Abandoned Rice military airfield, about 0.4 mile south of Highway 62. 269 Comment
  RSA478740  Cycloloma atriplicifolium Lester H. Cushman 1932-8-24 s.n. Riverside Near Vineland, where the Valley Blvd. crosses the San Bernardino Co. line. Comment
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Nov 5 2011
  UCR36468  Cylindropuntia californica var. parkeri A. C. Sanders 1984-4-21 5014 Riverside Moreno Valley, Moreno Badlands, along Gilman Springs Road, 1.5 mi. northwest of Gilman Hot Springs, 4 mi west of Sanderson Avenue/ Lamb Canyon Road 488 Comment
  RSA0080817  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-3-20 17721 .1 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 200m west of Wood Spring, 450m SW of Cottonwood Spring, 38km NE of Indio. 895 Comment
  UC403468  Cylindropuntia chuckwallensis Munz and Keck 1922-4-12 5017 Riverside Aztec Well Colo. Desert, Chuckawalla Mts. Comment
  SD146150  Cymbalaria muralis A. C. Sanders 1998-4-12 21751 Riverside Residence at 5081 Magnolia Ave., corner of Chapman Pl. 256 Comment
  RSA706977  Cynodon dactylon L. M. Prince, J. I. Davis, J. Mark Porter, R. Cerros, N. Refulio 2002-3-16 2 -265 Riverside Whitewater Canyon. ca. 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek. Comment
  UCD60012  Cynodon dactylon T. C. Fuller 1970-10-7 19798 Riverside Palo Verde Valley, southeast of Blythe. 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
  CAS-BOT-BC114543  Cyperus eragrostis Crawford; Johnston 1917-6-9 1256 Riverside Santa Ana River near Corona. Comment
  UCR19010  Cyperus esculentus John C. Roos 1965-10-25 s.n. Riverside Coachella Valley, Coachella, south of Indio -8 Comment
  RSA0106810  Cyperus involucratus Mitch Provance 2012-11-9 612 -52 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  SEINET3909845  Cyperus odoratus John R. Crutchfield 1965-6-16 219 Riverside Lost Lake Resort, 14 miles south of Vidal.; 0 Comment
  JEPS35182  Cystopteris fragilis Carl V. Meyer 1928-7-26 535 Riverside Deer Springs; San Jacinto Mt. 2651 Comment
  RSA779806  Dalea mollis Duncan S. Bell 2009-3-9 105 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  UCR166009  Dalea mollis Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  CLARK-A1656-854  Dalea parryi Jon Mark Stewart 1983-11-14 83-60 Riverside Santa Rosa Mountains 822 Comment
  UC537050  Danthonia unispicata M. E. Jones Sept. 1933 Riverside San Jacinto Mts. Comment
  CAS-BOT-BC283038  Dasyochloa pulchella E. A. McGregor 1917-3-18 794 Riverside 5 mi. up Painted Canyon Comment
  RSA727004  Dasyochloa pulchella Naomi Fraga, Lisa Rojas 2005-2-10 1407 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA13808  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside Near Santa Rosa. Santa Rosa Mountains 1829 Comment
  UCSB55270  Datisca glomerata Thorne, Robert; Boyd, Steve; Lathrop, Earl 1985-7-18 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon 353 Comment
  RSA80394  Daucus pusillus F. W. Peirson 1921-3-22 2379 Riverside Murray Canyon near Palm Springs. 457 Comment
  POM9606  Daucus pusillus I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  CAS-BOT-BC299322  Deinandra fasciculata Palmer Stockwell 1935-5-12 1221 Riverside 2.5 mi. N. of Elsinore Comment
  JEPS12649  Deinandra kelloggii W. L. Jepson May 17 1901-Jun 1 1901 1237 Riverside hills near San Jacinto Lake Comment
  SEINET6050431  Deinandra kelloggii Robert Allen, Allen, Linnel 2008-7-27 Riverside Santa Ana Mountains. Long Canyon watershed. Along Long Canyon Road. 136 meters (0.08 air miles) northwest of jct. with Ortega Hwy (SR74). In meadow south of roadway. Comment
  CAS-BOT-BC291901  Deinandra mohavensis A. C. Sanders; Steve Boyd; Jeff Ross; Mitch Provance 1998-10-25 22271 Riverside San Jacinto Mtns.: Mt. Edna Road, ca. 0.2 mi. west of Hwy 243 1159 Comment
  RSA674653  Deinandra mohavensis Scott D. White 2000-8-22 8123 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  RSA0025297  Deinandra paniculata R. E. Riefner Jr. 2010-6-5 10 -50 Riverside City of Riverside, Sycamore Canyon Park, W ca. 0.5 mi from Cottonwood Ave. and Sycamore canyon Blvd. 135 Comment
  UCD96240  Delphinium parishii H. Lewis; C. Epling 1941-5-4 s.n. Riverside 5 miles S. of White Tank on the road to Pinto Basin, Joshua Tree Nat. Mon. Comment
  RSA0018983  Delphinium parishii subsp. parishii I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  RSA585725  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-9 396 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  CAS-BOT-BC82955  Dendromecon rigida Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. Comment
  RSA433244  Dendromecon rigida subsp. rigida E. C. Jaeger 1921-6-15 s.n. Riverside San Jacinto Mountains 1524 Comment
  POM489  Descurainia pinnata subsp. glabra I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  UC136971  Descurainia pinnata subsp. glabra T. S. Brandegee 1902-5-14 Riverside Whitewater; San Bernardino Comment
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Jan 15 2010
  UCR158262  Dichelostemma capitatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30117 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SDSU21837  Dichelostemma capitatum subsp. capitatum Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 6 Riverside Santa Magarita Ecological Reserve, Via Tornado, North side of Santa Margarita river, behind cabin. 357 Comment
  POM1676  Dichelostemma capitatum subsp. pauciflorum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  POM214403  Dichelostemma capitatum subsp. pauciflorum Donald A. Johansen, Joseph A. Ewan 1932-4-11 7065 Riverside Mouth of Tahquitz Canyon Comment
  CLARK-A1656-668  Dichelostemma pulchellum var. pauciflorum Lois Ann Scott 1978-4-10 Riverside San Jacinto Mountains 152 Comment
  POM202563  Dicoria canescens Marcus E. Jones 1933-11-7 s.n. Riverside Cabazon Comment
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Sep 16 2011
  RSA11409  Dicoria canescens P. A. Munz 1921-12-31 4705 Riverside Between Palm Springs & Whitewater. Comment
  SBBG8047  Dicoria canescens H. and M. Dearing 1936-12-25 945 Riverside Long Cyn, near aqueduct Comment
  CAS-BOT-BC292246  Dieteria asteroides var. asteroides Ted Hutchinson 1953-10-20 18703 Riverside Along U.S. Hwy 60/70 near Desert Center Comment
  UC1929321  Dieteria asteroides var. asteroides Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10668 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  SD139995  Diplacus brevipes Scott White 1993-4-22 1227 Riverside North Alberhill Ranch, in hills N of Walker Canyon 487 Comment
  RSA0019408  Diplacus fremontii Henry J. Ramsey, Henry J. Ramsey 1939-4-23 392 Riverside Hemet, Anza, Bautista Creek Rd. Comment
  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
  UCR133043  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden 351 Comment
  UCR202224  Distichlis spicata Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  JOTR34093  Ditaxis lanceolata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2671 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
  RSA102324  Ditaxis lanceolata S. B. Parish, W. F. Parish 1882-04 19 Riverside Mts. in back of Agua Caliente. Comment
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Jul 12 2010
  RSA600221  Ditaxis lanceolata L. C. Wheeler 1959-12-27 7644 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SEINET3196407 Image available Ditaxis lanceolata Teresa B. Salvato 2010-4-20 4060 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe (McCoy Peak 7.5' Q.) 183 Comment
  JOTR35006  Ditaxis neomexicana La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3108 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  SD113862  Ditaxis neomexicana Darley F. Howe 1952-4-28 2194 Riverside Chuckwalla Mountains Comment
  RSA278953  Ditaxis serrata B. A. Prigge, L. Martinez 1978-3-23 s.n. Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of north Palm Springs on Dillon Rd. 274 Comment
  CAS-BOT-BC43631  Dithyrea californica Geo. B. Grant 1906-4-8 with 6769 Riverside Palm Springs. Comment
  RSA780571  Dithyrea californica Stephanie Rockwood, Christi Gabriel 2011-11-7 196 Riverside Rice Valley. Highway 62 to Blythe/Rice Road. About 1 mile from highway. 229 Comment
  UC665880  Dithyrea californica Ira L. Wiggins 1941-3-24 9563 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  UCR84842  Dithyrea californica A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16142 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR154542  Downingia Jason L. Hlebakos 2005-5-18 707 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  RSA697425  Draba corrugata J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mountain Comment
  UC168143  Draba corrugata Dr. A. Davidson Riverside summit Mt. San Jacinto Comment
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Jul 5 2012
  POM160111  Draba cuneifolia var. integrifolia E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
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Apr 16 2017
  UC488973  Drymocallis glandulosa C. V. Meyer June 1927 189 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  RSA180337  Dryopteris arguta E. W. Lathrop 1965-4-18 5656 Riverside 10 miles west of Murrieta. Comment
  UCSB16236  Dudleya cymosa Hargreaves, Bruce 1963-5-5 Riverside 5.7 mi. SE of Pinyon Campground on California State Highway 74 762 Comment
  SD232223  Dudleya pulverulenta Scott D. White, Justin M. Wood 2009-5-22 12930 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 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
  RSA397782  Dudleya saxosa subsp. aloides Jack Rempel 1933-3-26 17583 Riverside Near Morongo Valley. Comment
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Jun 14 2012
  RSA397790  Dudleya saxosa subsp. aloides A. C. Life 1925-4-10 s.n. Riverside Desert beyond Banning Comment
  RSA747756  Dudleya saxosa subsp. aloides Scott D. White, Justin M. Wood 2009-4-28 12607 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA791724  Dudleya saxosa subsp. aloides R. F. Thorne 1995-3-29 63016 Riverside White Water Canyon. 600 Comment
  SD45423  Dudleya saxosa subsp. aloides Reid Moran 1947-5-10 2182 Riverside Santa Rosa Peak road, 1.5 miles from highway. 1690 Comment
  UC277044  Echinocereus mojavensis E. C. Jaeger May 1921 Riverside Little San Bernardino Mts. , Keyer Ranch (Keyer Ranch) Comment
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Apr 4 2011
  RSA736650  Echinochloa oryzicola Justin M. Wood 2008-7-16 36 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  POM12417  Eleocharis acicularis var. occidentalis Phillip A. Munz 1922-9-6 6376 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  RSA559350  Eleocharis bella Steve Boyd, Timothy S. Ross 1992-5-15 7392 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  JOTR32463  Eleocharis macrostachya La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2608 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
  SBBG119998  Eleocharis macrostachya A. C. Sanders, K. Volansky 2005-3-17 29234 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR90606  Eleocharis macrostachya Scott D. White 1995-6-29 3392 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA714377  Eleocharis parishii T. B. Salvato, John Green 2004-5-27 605 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
  UCR21017  Eleocharis parishii A. C. Sanders, S. D. Boyd 1980-5-19 1503 Riverside San Jacinto Mountains, Strawberry Creek c. 100 m below the point where Hwy 74 crosses. 902 Comment
  RSA335009  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  RSA0120235  Elymus elymoides Duncan S. Bell, Thomas Stoughton 2016-4-14 9283 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  RSA701650  Elymus elymoides subsp. elymoides Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  UC37060  Elymus trachycaulus H. M. Hall July 1901 2569 Riverside Dark Canyon San Jacinto Mountains 2133 Comment
  RSA613867  Emmenanthe penduliflora B. Pitzer 1997-4-11 3116 Riverside Lakeview Mtns Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. Approx. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM Nelson) 610 Comment
  CAS-BOT-BC291155  Encelia Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  RSA644190  Encelia actoni Scott D. White 1995-8-23 3561 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  UC154553  Encelia actoni unknown 1904-5-1 302 Riverside Cabazon 579 Comment
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Mar 28 2015
  UCR42325  Encelia actoni N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 193 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UC1118054  Encelia californica A. Lewis 1934-2-1 299 Riverside 3 mi n Auburndale; Corona Quadrangle 365 Comment
  UCD131281  Encelia californica E. W. Lathrop 1966-3-30 6082 Riverside Skyline Drive between Tin Mine Canyon and Black Star Canyon. 6 miles west of Corona, Santa Ana Mountains. 426 Comment
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Jun 16 2013
  CAS-BOT-BC131336  Encelia farinosa M. Bourell; R. Patterson 1987-4-14 3274 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  RSA0049914  Encelia farinosa Jim Andre 2014-1-27 26675 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA0069673  Encelia farinosa Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 5 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
  UC1777709  Encelia farinosa Donald W. Kyhos 1965-3-13 65 -111 Riverside near Blythe (6.2 miles west of junction of Hwy 78 and Hwy 60-70); ; [6.7 miles west of junction...](label reads 6.7, assumed to be in error, by inference from five records of duplicates in database) Comment
  UC1922403  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCD131202  Encelia farinosa David Charlton 1988-2-18 1156 Riverside Alluvial Fan, south side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10. 5 miles east of Jct Dillon Road and Fargo Canyon Road. 762 Comment
  UCD131212  Encelia farinosa R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCD20082  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -216 Riverside 14.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  UCR146278  Encelia farinosa Donald W. Kyhos 1965-3-13 65- 111 Riverside Colorado Desert; Northeastern Colorado Desert region, 6.2 miles west of Junction of Hwy 78 and Hwy 60-70 near Blythe Comment
  POM31425  Encelia farinosa var. farinosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  POM356685  Encelia farinosa var. farinosa L. E. Hoffman 1933-2-18 s.n. Riverside Above Garnet, Coachella Valley Comment
  POM50381  Encelia farinosa var. farinosa W. W. Eggleston 1924-3-8 19529 Riverside Hemet. 480 Comment
  PASA1867  Ephedra californica R. E. Merrill Riverside Palm Canyon Comment
  POM119732  Ephedra californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  SD229018  Ephedra californica Dick Schwenkmeyer 2012-11-6 858 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  SEINET4898218  Ephedra californica Douglas Wood 1971-3-7 s.n. Riverside Palm Springs Desert Comment
  SFV17218  Ephedra californica J. W. Dole 1980-11-1 Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UC407312  Ephedra californica LeRoy Abrams 1903-4-6 3204 Riverside Palm Springs Comment
  UCR131021  Ephedra trifurca Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  UCR266261  Epilobium brachycarpum D. E. Bramlet 2006-8-11 4044 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet at Hemet-Ryan Airport 459 Comment
  UC217983  Epilobium campestre P. A. Munz and I. M. Johnston 1922-5-21 5542 Riverside near Moreno; Mystic Lake 457 Comment
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Mar 20 2011
  CAS-BOT-BC171734  Epilobium canum subsp. latifolium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC171749  Epilobium canum subsp. latifolium Philip A. Munz 1946-10-21 11587 Riverside Live Oak Tank, Joshua Tree National Monument 1219 Comment
  RSA797242  Epilobium canum subsp. latifolium Robert F. Thorne, Walter Wisura 1977-9-17 50771 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  SD43540  Epilobium canum subsp. latifolium P. A. Munz 1946-10-20 11583 Riverside Edge of wash, in disintegrated granite; Cottonwood Springs, Joshua Tree National Monument. 1096 Comment
  UCR41346  Epilobium canum subsp. latifolium N. M. Fellows 1984-11-12 23 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  UCR115947  Epilobium ciliatum Mitch Provance 1998-6-11 670 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR199701  Epilobium ciliatum Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10672 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  RSA588337  Epilobium ciliatum subsp. ciliatum E. A. McGregor 1964-9-16 s.n. Riverside Idyllwildm San Jacinto Mountains. Comment
  GMDRC6579  Epilobium densiflorum J. M. Andre 2012-6-15 30541 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA740620  Equisetum arvense Scott D. White, Justin M. Wood 2008-7-8 12373 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA612753  Equisetum laevigatum L. C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek 182 Comment
  RSA684644  Equisetum telmateia var. braunii H. Twining 1890-04 s.n. Riverside Riverside 240 Comment
  UCR92261  Eragrostis cilianensis Michael A. Patten 1995-1 s.n. Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margin of Lakeview Mtns. north of Florida Avenue (SR 74) and west of California Avenue 500 Comment
  UCR2379  Eragrostis mexicana subsp. mexicana F. M. Reed 1927-11-20 5680 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  UCR23990  Eragrostis mexicana subsp. virescens John C. Roos 1965-7-7 s.n. Riverside San Jacinto Comment
  UCR2396  Eragrostis pectinacea var. pectinacea F. M. Reed 1906-7-7 1122 Riverside Riverside, Chicago Ave. and Blaine St 287 Comment
  UCR113924  Eragrostis pilosa var. pilosa Mitch Provance, A. C. Sanders 2000-7-4 2082 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CSUSB1449  Eremalche exilis Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  RSA432675  Eremalche exilis M. B. Dunkle 1937-3-25 4936 Riverside Colorado Desert Comment
  JOTR31968  Eremalche rotundifolia La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2205 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA782085  Eremalche rotundifolia Duncan S. Bell 2009-3-7 2 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  CHSC8312  Eremothera boothii subsp. alyssoides Edward L. Smith 1958-3-21 375 Riverside Plant found 6 mi. of Rice, near Priests Well. Little Santa Maria Mtns. 365 Comment
  RSA0105501  Eriastrum densifolium subsp. austromontanum Gary D. Wallace, D. H. Wilken 1966-7-3 641 Riverside San Jacinto Mtns up Thomas Mtn. Rd. west of Palm Desert. Comment
  RSA0110540  Eriastrum densifolium subsp. austromontanum I. W. Clokey, E. G. Anderson 1935-8-21 6829 Riverside East of Keen Camp P. O. 1350 Comment
  RSA0104869  Eriastrum densifolium subsp. elongatum Mark Brunell 1993-5-29 123 Riverside San Jacinto Mtns: Old Banning-Idyllwild Road .4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road. Adjacent to pasture. Population voucher: Banning. 683 Comment
  RSA0110547  Eriastrum densifolium subsp. elongatum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA0110543  Eriastrum densifolium subsp. elongatum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  JOTR32371  Eriastrum diffusum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2483 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  UC68784  Eriastrum diffusum H. M. Hall Apr. 1905 5965 Riverside near McCoy Wash; Colorado Desert 91 Comment
  SEINET3218487 Image available Eriastrum eremicum Peter L. Morrell, D. E. Krause 1995-5-1 460 Riverside Sonoran (Colorado) Desert; Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd., near cargo entrance to Palm Springs Municipal Airport (Palm Springs 7.5' Q.) 123 Comment
  SEINET3860213  Eriastrum eremicum Leigh A. Johnson, Deborah A. Johnson 1997-3-29 97 -012 Riverside Whitewater Canyon, south slopes of San Bernardino Mtns, ca 1.5 miles north of I-10.; 0 500 Comment
  SEINET12278727  Eriastrum eremicum E. A. Purer 1935-1 6459 Riverside near Palm Springs Comment
  UC88210  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5956 Riverside Pinto Basin Comment
  UC998336  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside corner of Indian Ave and Ramon Road; Palm Springs Comment
  CAS-BOT-BC514459  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11062 Riverside Palm Springs to Palm Canyon Comment
  CAS-BOT-BC514461  Eriastrum eremicum subsp. eremicum Edith A. Purer 1935-4-21 6459 Riverside Near Palm Springs Comment
  RSA0120681  Eriastrum harwoodii Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4769 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  RSA524241  Ericameria brachylepis Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4128 Riverside Vail Lake area, E flank of 'Big' Oak Mtn, S of E summit. 610 Comment
  RSA696802  Ericameria cuneata var. spathulata J. Russell Bruff 1928-4-2 s.n. Riverside White Tanks Comment
  RSA747513  Ericameria cuneata var. spathulata Justin M. Wood 2009-3-10 353 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  RSA783438  Ericameria nauseosa J. D. Olmsted 1959-9-23 1018 Riverside 4 miles S of Hemet Lake on Hwy. 74, San Jacinto Mts. 1387 Comment
  CAS-BOT-BC298881  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  UCR141252  Ericameria palmeri var. pachylepis A. C. Sanders, Kelly Volansky 2004-10-6 28818 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCR89247  Ericameria palmeri var. pachylepis Scott D. White 1995-9-22 3681 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  LA27286  Ericameria paniculata Lewis S. Rose; 1946-12-25 46307 Riverside San Gorgonia Pass, 5 mi. E of Cabazon, Comment
  UC323004  Ericameria pinifolia H. M. Hall 1927-10-23 12300 Riverside between Temecula and Pala (San Diego Co.) Comment
  RSA0120443  Erigeron divergens Duncan S. Bell, LeRoy Gross 2016-5-18 9601 Riverside Santa Rosa Mountains; west side of Martinez Mountain; along the Cactus Spring Trail where it crosses Horsethief Creek. 1050 Comment
  RSA68333  Erigeron divergens G. R. Campbell 1951-5-30 16151 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  RSA487420  Erigeron foliosus Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  SEINET255646  Erigeron foliosus A. J. Breitung 1953-5-30 15286 Riverside Glen Ivy Hot Springs. Comment
  UCSB15235  Erigeron foliosus Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1 at junction with road to Black Mountain Campground; San Jacinto Mountains 1676 Comment
  CLARK-A1528-206  Erigeron philadelphicus C. M. Flanagan 1973-4-26 OO 317 Riverside Morongo Indian Reservation 1158 Comment
  POM47193A  Eriodictyon crassifolium Mary F. Spencer 1920-4-1 1451 Riverside desert near Palm Springs 122 Comment
  UC880707  Eriodictyon crassifolium P. A. Munz 1922-4-28 5055 Riverside Leach Canyon , Leach Canyon (Santa Ana Mts.) 609 Comment
  CAS-BOT-BC189163  Eriodictyon crassifolium var. nigrescens Scott D. White 1996-4-14 3903 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Highway 74, ca. 1.7 mile W of USFS Cranston Fire Station 548 Comment
  LA205719  Eriodictyon trichocalyx var. trichocalyx Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash, near Banning Comment
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Jun 22 2015
  RSA783252  Eriogonum J. D. Olmsted 790 Riverside Reservoir Hill, Desert Sun School near Idyllwild, south slope 1646 Comment
  CAS-BOT-BC248626  Eriogonum apiculatum Philip A. Munz 1938-8-13 15333 Riverside Near Santa Rosa Peak 2316 Comment
  SBBG1456  Eriogonum apiculatum H. and M. Dearing 1936-12-26 148 Riverside Palms to Pines Hwy 1097 Comment
  CAS-BOT-BC242797  Eriogonum davidsonii P. A. Munz; E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  POM19834  Eriogonum davidsonii Mary F. Spencer 1923-8-2 s.n. Riverside Tahquitz Trail. 2134 Comment
  UCR94611  Eriogonum davidsonii 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
  RSA736737  Eriogonum elongatum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10683 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  SEINET6418006  Eriogonum elongatum J. C. Ross 1965-9-14 Riverside Hills south of Beaumont. Comment
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Nov 8 2015
  SD48523  Eriogonum elongatum var. elongatum E. K. Balls, P. C. Everett 1957-11-4 22750 Riverside granite wash, Snow Creek, about old Fish Hatchery; n. base San Jacinto Mts. 701 Comment
  UCR178538  Eriogonum fasciculatum R. G. Swinney 1967-5-26 135 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  UCR176185  Eriogonum fasciculatum subsp. polifolium Amber Bruno 2005-6-7 54 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR178321  Eriogonum fasciculatum subsp. polifolium T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 619 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  RSA0036808  Eriogonum fasciculatum var. fasciculatum Bob Rogers 1984-4-21 10 Riverside Along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  POM50380  Eriogonum fasciculatum var. foliolosum W. W. Eggleston 1924-3-8 19528 Riverside Hemet. 480 Comment
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Mar 24 2011
  RSA0081620  Eriogonum fasciculatum var. polifolium Jim M. Andre 2012-4-11 20831 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  UCR35097  Eriogonum gracile var. gracile J. Rohland 1974-7-20 532 Riverside San Jacinto Mountains, upper slopes and canyons of Indian Creek 915 Comment
  UCR21140  Eriogonum gracile var. incultum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR234757  Eriogonum gracile var. incultum A. C. Sanders, John F. Green 2012-6-25 40312 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  CAS-BOT-BC257580  Eriogonum inflatum L. R. Abrams 1926-3-27 11124 Riverside Near Whitewater Comment
  JOTR16812  Eriogonum inflatum Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  UCR241718  Eriogonum inflatum Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 45 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  JEPS56775  Eriogonum maculatum Marjorie D. Clary 1932-6-5 1020 Riverside 15 mi nw Indio (Dead Indian Trail); Colorado Desert 243 Comment
  RSA775222  Eriogonum nudum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4440 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
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Aug 15 2012
  LA206958  Eriogonum nudum var. pauciflorum Louis C. Wheeler; 1931-10-4 219 Riverside San Jacinto Mountains, Hemet-Idyllwild Road Comment
  RSA239210  Eriogonum nudum var. pauciflorum James L. Reveal, Caroline G. Reveal 1972-8-10 2870 Riverside San Jacinto Mtns, along Hwy 243, 1/1 miles SE of Alandale Ranger Station, 4.3 miles NNW of Idyllwild and 8.8 miles N of the jct with Hwy 74. Comment
  RSA393615  Eriogonum nudum var. pauciflorum N. C. Cooper 1949-6-29 4280 Riverside Palms to Pines Highway. 1220 Comment
  UC219185  Eriogonum plumatella E. C. Jaeger 1921-11-5 251 Riverside near Hole-In-The-Wall Spring; Dry Morongo Wash Comment
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Nov 5 2011
  RSA676036  Eriogonum reniforme Scott D. White 2001-4-11 8292 Riverside Sonoran Desert: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  SBBG1613  Eriogonum reniforme H. and M. Dearing 1937-4-10 Riverside 16 mi N of Indio Comment
  UCR41744  Eriogonum reniforme A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6069 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  CAS-BOT-BC268553  Eriogonum saxatile Annie M. Alexander; Louise Kellogg 1941-4-23 2057 Riverside Morongo Valley Gorge 701 Comment
  CAS-BOT-BC268555  Eriogonum saxatile H. M. Hall 1897-7-7 729 Riverside San Jacinto Mt. Comment
  GMDRC2048  Eriogonum saxatile J. Andre 2006-4-26 6781 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  RSA424914B  Eriogonum saxatile Louis C. Wheeler 1931-10-3 235 Riverside Sumit Fern Valley-Tahquitz Valley trail, San Jacinto Mountains. 2500 Comment
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Jul 9 2012
  JOTR00998  Eriogonum saxatile Cole, James E. 1941-5-29 s.n. Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1493 Comment
  CAS-BOT-BC263508  Eriogonum thomasii Frank W. Peirson 1927-4-12 7171 Riverside Foot of canyon, Painted Canyon Comment
  UCR138572  Eriogonum thomasii Steve Boyd, Orlando Mistretta 1986-3-13 1450 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  JEPS56279  Eriogonum thurberi W. L. Jepson 1901-5-30 1553 Riverside Temecula River between Aguanga and Temecula; Temecula River Comment
  UCR59535  Eriogonum thurberi Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3561 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  SEINET6894827  Eriogonum thurberi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  SEINET6894828  Eriogonum thurberi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  RSA766491  Eriogonum trichopes Alice Hutchinson 1931-09 6853 Riverside Between Desert Center and Blythe 122 Comment
  SBBG28174  Eriogonum vimineum S. G. Stokes 1933-7-1 106 Riverside near Idyllwilld Comment
  LA207114  Eriogonum wrightii var. membranaceum Louis C. Wheeler; 1931-10-3 181 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  CAS-BOT-BC261791  Eriogonum wrightii var. nodosum Philip A. Munz 1937-5-30 15126 Riverside Dos Palmos Spring, north base of Santa Rosa Mts. 1097 Comment
  RSA423140  Eriogonum wrightii var. nodosum N. R. Zabriskie, Walter Zabriskie 1970-11-1 330 Riverside Andreas Canyon area, east slope San Jacinto Mountains. 427 Comment
  UCR250710  Eriogonum wrightii var. nodosum John F. Emmel 1985-10-23 977 Riverside Southern Mojave Desert, Coxcomb Mountains, 0.1-0.2 air mi west-northwest of Peak 4416 1311 Comment
  UCR3445  Eriophyllum ambiguum var. paleaceum John Minnich 1964-3-25 64-3-25 8 Riverside Sonoran (Colorado) Desert, Hwy 74, on desert side of San Jacinto Mtns. 457 Comment
  CAS-BOT-BC297340  Eriophyllum confertiflorum Ynez Whilton Winblad 1937-4-23 s.n. Riverside Between Beaumont and Riverside Comment
  SDSU4087  Eriophyllum confertiflorum H. Wedberg 1967-5-19 1375 Riverside At Dripping Springs Campground, 10 miles east from Hwy 395 on Hwy 71. Comment
  SEINET2051095 Image available Eriophyllum confertiflorum Ed LaRue 1989-4-26 Riverside 2 air mi. NW of Lake Elsinore, adjacent to Cleveland National Forest, at mouths of Rice and McVicker Canyons. Alberhill Quad 7.5 488 Comment
  UCR175076  Eriophyllum confertiflorum Teresa Nieto 2005-4-24 19 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UC1257338  Eriophyllum confertiflorum var. confertiflorum E. L. Koethen 1897-8-1 20 Riverside Riverside Comment
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Nov 20 2015
  UCR20783  Eriophyllum multicaule A. C. Sanders, Steve Boyd 1980-5-2 1408 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SEINET8753388 Image available Eriophyllum wallacei Philip A. Munz 1949-1 13023 Riverside Near conejo Well, north base of Eagle Mts., Mojave desert 914 Comment
  UC1523457  Eriophyllum wallacei Robert F. Thorne and C. W. Tilforth 1980-5-28 54231 Riverside 3.2 mi n of Whitewater Post Office on Hwy 10; San Bernardino Mts, Whitewater River Comment
  UC566752  Eriophyllum wallacei H. L. Mason 1928-3-11 4253 Riverside Palm Springs Comment
  SEINET11850802  Eriophyllum wallacei E. A. Purer 1935-1 6452 Riverside E slope of San Jacinto Mountain Comment
  RSA747917  Erodium botrys Justin M. Wood 2009-3-3 326 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  SDSU13540  Erodium botrys W. Miller with C. Mosse 1972-7-20 Riverside South border by Royal Oak Ranch, next to road. Comment
  UCR158508  Erodium botrys A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30046 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
  UCR202505  Erodium cicutarium Justin M. Wood 2008-12-2 263 Riverside Southwest Perris Basin, city of Temecula, Murrieta Creek, downstream of First Street Bridge 305 Comment
  SEINET244841  Erodium macrophyllum Ian G. Gillespie 2000-4-19 10 Riverside Temescal Valley; 0.9 mi SE of Indian Truck Trail and 30 m S of DePalma Road. 427 Comment
  RSA763060  Erysimum capitatum E. W. Lathrop 1968-5-22 6926 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA0076217  Erythranthe androsacea Jeri Hirshberg 1995-5-19 279 Riverside San Jacinto Mountains, Garner Valley. Comment
  RSA0020239  Erythranthe floribunda Steve Boyd 1991-6-8 6330 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74 Comment
  RSA0019316  Erythranthe guttata Carl B. Wolf 1932-5-25 3673 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains. 396 Comment
  UCD96465  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 258 A Riverside California. Riverside County: Joshua Tree National Park. 610 Comment
  JEPS51792  Eschscholzia californica W. L. Jepson 1901-5-31 1567 Riverside Valley of the Temecula River Comment
  RSA757448  Eschscholzia californica Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55227 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  UC56225  Eschscholzia californica H. M. Hall Apr. 1903 3713 Riverside Vicinity of Riverside 396 Comment
  UCD94179  Eschscholzia californica Shannon M. Still 2008-3-19 288 Riverside California. Riverside County. 566 Comment
  CAS-BOT-BC418697  Eschscholzia glyptosperma Carl B. Wolf 1932-4-29 3104 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  CAS-BOT-BC83125  Eschscholzia minutiflora John H. Thomas 1957-3-30 6523 Riverside 0.8 mile east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. 518 Comment
  CAS-BOT-BC91565  Eschscholzia minutiflora Lewis S. Rose 1937-4-9 37117 Riverside Palm Springs. 137 Comment
  HSC87135  Eschscholzia minutiflora Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2116 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  LA46286  Eschscholzia minutiflora H. Lewis; 1949-3-26 778 Riverside 5 mile W of Cottonwood Springs, hwy 60/70 Comment
  RSA0022948  Eschscholzia minutiflora Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4770 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  SD48468  Eschscholzia papastillii P. C. Everett, E. K. Balls 1958-4-29 23013 Riverside U. S. Highway 60/70, Indio to Blythe, 1.0 mile west of Cactus City. 548 Comment
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Mar 20 2011
  RSA0022921  Eschscholzia parishii Jim Andre, Tasha La Doux 2009-2-25 10804 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  CHSC98207  Eucalyptus A. C. Sanders 1992-3-1 12039 Riverside University of California, Riverside. Australian section of UCR Botanical Garden. Grid Cell R-3. UCR BG Ass. # unknown, label lost. #121A on Kucera/Morgan temp. Aust. sect. map. NW edge of trail. 366 Comment
  RSA713796  Eucalyptus J. Lyman 1989-2-9 89 -2 Riverside Lakeview, Pressman property in the Bernasconi Hills, just S of the Ramona Expressway, S of Lake Perris and N of Nuevo. Comment
  RSA0010854  Eucalyptus camaldulensis A. C. Sanders 1998-6-12 21982 Riverside UCR campus, in gravel among trailers in ''surge area'' (UCR trailer park) on east side of campus 335 Comment
  RSA0010855  Eucalyptus camaldulensis A. C. Sanders 1998-3-11 21656 Riverside Shipley/Skinner Reserve: SW of Crown Valley in upper Rawson Canyon area 595 Comment
  SBBG4842  Eucnide urens H. and M. Dearing 1942-4-5 4862 Riverside Colorado River and Riverside Mtns Comment
  RSA180274  Eucrypta chrysanthemifolia E. W. Lathrop 1965-5-18 5753 Riverside 8 miles W of Murrieta. 610 Comment
  RSA495797  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-11 2904 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  OBI29871  Eucrypta chrysanthemifolia var. chrysanthemifolia Melissa Luckow, Rhonda Riggins 1982-4-15 830 Riverside hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  UC880718  Eucrypta chrysanthemifolia var. chrysanthemifolia P. A. Munz 1922-4-29 5081 Riverside w of Lake Elsinore (e slope of Elsinore Mts); Elsinore Mts. 487 Comment
  SD181546  Euphorbia Louis C. Wheeler 1946-1-19 6171 Riverside 2.0 miles north of main highway on road to 29 Palms. Comment
  JOTR38518  Euphorbia abramsiana Harding, Mitzi, Kipp Callahan 2012-8-27 285 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR114930  Euphorbia albomarginata Julie A. Greene 1993-4-30 1275 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  OBI2985  Euphorbia maculata Lewis S. Rose 1967-12-19 67179 Riverside La Quinta 15 Comment
  JOTR35059  Euphorbia polycarpa La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3511 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UCR166022  Euphorbia polycarpa Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR166529  Euphorbia polycarpa Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10879 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR188697  Euphorbia polycarpa J. M. Stewart 1989-10-17 618 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  RSA70387  Euphorbia polycarpa var. hirtella F. W. Peirson 1924-12-30 5418 Riverside Abundant in dry desert sands; Thousand Palms Canyon. 122 Comment
  RSA70391  Euphorbia polycarpa var. hirtella F. W. Peirson 1928-4-24 7910 a Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  UCR33700  Euphorbia polycarpa var. hirtella Sears 1978-3-18 947 Riverside Sonoran (Colorado) Desert, 10 mi. SW of Desert Center, 8 mi. south of Interstate Hwy 10 on Red Cloud Mine Road, following mining railroad 457 Comment
  UCR211711  Euphorbia polycarpa var. polycarpa Fred M. Roberts, Michelle Balk 2006-5-1 6324 Riverside Perris Basin, Old Salt Creek watershed, South Hemet Hills, west of California Ave, c. 2.8 km southwest of the west end of Hemet Ryan Airport runway 483 Comment
  CLARK-A1528-7886  Fagonia californica var. glutinosa John C. Roos 1948-9-18 3220 Riverside Painted Canyon Comment
  SEINET6727164 Image available Fagonia chilensis var. laevis M. B. Dunkle 1935-3-30 4426 Riverside Pinto Basin. Colorado Desert. 914 Comment
  HSC101529  Fagonia laevis J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12774 Riverside 457 Comment
  RSA775960  Fagonia laevis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 808 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UCR23760  Fagonia laevis John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  POM12597  Ferocactus cylindraceus var. cylindraceus P. A. Munz 1922-5-7 5295 Riverside Mission Creek, Colorado Desert. Comment
  UCR23886  Festuca arundinacea John C. Roos 1950-4-15 4743 Riverside W end of Fairmont Park Lake, Riverside 244 Comment
  UCR167812  Festuca microstachys T. B. Salvato, John F. Green 2004-5-27 572 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR214889  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37687 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR225588  Festuca microstachys A. C. Sanders, T. B. Salvato 2011-3-29 38868 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  LA99030  Festuca myuros Walt Westman; A. Davis 1979-3-29 79 52 Riverside E Buttle of Double Butte, beyond E of Cortrite Ave, Homeland 548 Comment
  UCR116918  Festuca myuros A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23953 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  SEINET238915 Image available Festuca octoflora A. C. Sanders 1998-3-17 21744 Riverside Shipley/Skinner Reserve area: North Domenigoni Hills S of Hemet (Winchester. 7.5' Q.) 343 Comment
  UCR2418  Festuca octoflora F. M. Reed 1908-4-26 2317 Riverside Riverside. Along Crestmore railroad north of Fairmount Park Comment
  RSA543980  Filago californica Steve Boyd 1991-5-10 6212 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  UCR116464  Filago californica A. C. Sanders, T. B. Salvato 2001-3-30 23861 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR260889  Filago californica A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41428 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
  SEINET7048181  Filago californica Steven R. Hill 2001-5-3 33690 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR116000  Foeniculum vulgare A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23309 Riverside Shipley-Skinner Reserve, campground and boat launching area on the east side of Lake Skinner 457 Comment
  RSA171368  Forestiera pubescens J. D. Olmsted 1962-5-3 3542 Riverside N of Santa Rosa Indian Reservation. 1372 Comment
  UC57357  Forestiera pubescens H. M. Hall Jun 1899 Riverside Gavilan Comment
  SEINET8754812 Image available Forestiera pubescens subsp. neomexicana Bonnie C. Templeton 1930-4-15 1476 Riverside Gavilan Peak Comment
  HSC47601  Fouquieria splendens R. W. Spjut 1978-5-10 5036 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center. 335 Comment
  UCR96124  Fouquieria splendens B. G. Pitzer 1996-11-9 2922 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  SEINET11979961  Fouquieria splendens Unknown 1936-1 12826 Riverside Foothills of San Jacinto Mts. S of Palm Springs Comment
  CAS-BOT-BC53340  Frangula californica subsp. cuspidata H. E. McMinn 1925-7-2 1513 Riverside Tahquitz Trail - San Jacinto Mts. Comment
  SD197786  Frankenia salina Karin Cleary-Rose, G. Nhun 1995-7-20 Riverside West edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Highway 74 and Whittier Avenue, at south end of Hyatt Avenue, west of the San Diego Aqueduct 456 Comment
  UCR202217  Frankenia salina Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UCR275584  Frankenia salina T. B. Salvato 2005-6-13 605- 10 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  SD120485  Fremontodendron californicum Michael Curto 1987-1-25 352 Riverside San Jacinto Mountains, SE of Palm View peak, on W and NW slope of Little Desert Ridge, along Cedar Springs Trail, W of Pacific Crest Trail Junction 1951 Comment
  RSA559949  Fritillaria biflora Steve Boyd 1992-4-18 6904 Riverside Paloma Valley, between Sun City and Murrieta, E of Highway 215. Comment
  RSA0031552  Funastrum cynanchoides var. hartwegii Duncan S. Bell 2013-1-30 4442 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  RSA586808  Funastrum cynanchoides var. hartwegii D. L. Banks, S. D. Boyd 1995-5-3 245 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
  RSA70351  Funastrum cynanchoides var. hartwegii F. W. Peirson 1921-3-20 4119 Riverside Palm Canyon near Palm Springs Comment
  HSC101268  Funastrum hirtellum Jim Andre 2012-3-19 21374 Riverside Palen Valley; along Palen Pass Rd. (dirt), 7.1 mi. east of Hwy. 177. 321 Comment
  JOTR36481  Funastrum hirtellum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3441 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  SEINET7248310  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-1 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  SFV17333  Funastrum hirtellum J. D. Dilley, J. N. Hogue (108.16) 1998-4-23 272 Riverside Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UCR202327  Galium angustifolium Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  JEPS7849  Galium angustifolium subsp. angustifolium Marjorie D. Clary 1932-7-4 983 Riverside 10 mi se Kenworthy (near springs in canyon); Santa Rosa Mts. 1371 Comment
  POM259262  Galium angustifolium subsp. angustifolium Philip A. Munz 1938-8-14 15387 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  UC1518631  Galium angustifolium subsp. angustifolium Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55473 Riverside side canyon on w side Whitewater Canyon (ca 3.3 mi n of Whitewater Post Office); San Bernardino Mts. 594 Comment
  RSA689697  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  RSA770704  Galium aparine Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4808 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA706294  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1284 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  JOTR01223  Galium munzii Cole, James E. 1941-5-30 829 Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1584 Comment
  POM175629  Galium parishii Martha Hilend 1928-8-7 s.n. Riverside Slopes near Hidden Lake. Comment
  UCR151212  Galium porrigens var. porrigens Scott D. White 1999-7-9 7536 Riverside Peninsular Ranges; San Jacinto Mts region, Idyllwild Area: near Idyllwild Community Service District sewage ponds at terminus of USFS Road #S24.2 1433 Comment
  UCR89531  Galium stellatum Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  CAS-BOT-BC217621  Galium stellatum subsp. stellatum Annie M. Alexander; Louise Kellogg 1941-5-18 2200 Riverside North slope of Eagle Mountains 1066 Comment
  CAS-BOT-BC217622  Galium stellatum subsp. stellatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9544 Riverside Cottonwood Springs Canyon Comment
  JOTR30285  Garrya flavescens Bell, Mike, Kathleen White 2007-3-20 s.n. Riverside Joshua Tree National Park. Eureka Peak Comment
  UCR160953  Gaura coccinea A. C. Sanders 2001-7-9 24465 Riverside Santa Ana River Valley/San Bernardino Valley, Riverside, weed in the UCR Botanic Garden 351 Comment
  JEPS59915  Geraea canescens Lewis S. Rose 1967-12-20 67183 Riverside 6 mi se of Thousand Palms 15 Comment
  UCR177402  Gilia Marisa Sripracha, K. A. Boyd 2004-3-21 053 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR252001  Gilia A. C. Sanders, T. B. Salvato 2014-7-2 41175 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UC1228382  Gilia angelensis C. L. Hitchcock and C. V. Muhlick 1962-3-16 22127 Riverside 8 mi s Corona; Temescal Canyon Comment
  UCR274294  Gilia angelensis T. B. Salvato, Gregg Miller 2005-6-7 1444 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
  UCR193894  Gilia capitata A. C. Sanders, Mitch Provance 2008-7-11 35797 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  POM10417  Gilia capitata subsp. abrotanifolia Charlotte M. Wilder 1907-4-6 s.n. Riverside Whitewater Ranch Comment
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Nov 30 2009
  RSA470267  Gilia capitata subsp. abrotanifolia N. C. Cooper 1944-6-4 1365 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  POM308200  Gilia diegensis Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3002 Riverside Santa Rosa Mountains. 1220 Comment
  UCR64606  Gilia diegensis H. M. Hall 1904-5-19 4949 Riverside Santa Ana River Valley, Fairmount Park Comment
  RSA776188  Gilia latifolia Amber Swanson, Duncan S. Bell 2011-3-10 205 Riverside Mecca Hills, E of Painted Cyn Rd Comment
  RSA786239  Gilia leptomeria Doris Bowers 1973-4-15 1964 Riverside S/o Cave Spring, Providence Mts. 1220 Comment
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Aug 24 2013
  RSA0004796  Gilia lineata Anstruther Davidson 1923-04 3570 Riverside Idyllwild. Comment
  JEPS44385  Gilia ochroleuca subsp. exilis Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4265 Riverside gravelly ridge e Toro Peak; Santa Rosa Mountains Comment
  UC908023  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3112 Riverside 1 mi s Temecula; Temecula Canyon, s of Temecula Comment
  JOTR30655  Gilia stellata La Doux, Tasha, Jim Andre 2008-3-21 150 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  JOTR30698  Gilia stellata La Doux, Tasha 2008-2-4 1753 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash, Stop 2. 778 Comment
  POM13890  Gilia stellata P. A. Munz, D. D. Keck 1922-4-9 4822 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA234103  Gilia stellata R. F. Thorne, R. Carolin 1967-3-21 41631 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA469747  Gilia stellata Rockwell 1926-5-1 s.n. Riverside Colorado Desert Comment
  RSA768415  Gilia stellata J. Andre, T. La Doux 2009-2-28 10837 Riverside Joshua Tree National Park: southeast Little San Bernardino Mountains, Along Berdoo Canyon Road, approx. 0.8 miles north of Joshua Tree National Park boundary, approx. 3 miles north of Dillon Road. 632 Comment
  UC880019  Gilia stellata C. L. Hitchcock 1940-3-31 5880 a Riverside 1/2 mi below Cottonwood Spring; below Cottonwood Spring Comment
  UCR200399  Gilia stellata Tasha La Doux, Jim Andre 2008-3-21 150 Riverside Eastern Mojave Desert, Joshua Tree National Park, Lower Wilson Wash along NE side of paved road 853 Comment
  UCR61091  Githopsis diffusa Steve Boyd, K. A. Boyd, Richard Noyes, L. Arnseth, C. Boyd 1988-5-28 2307 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  CAS-BOT-BC435007  Glinus lotoides A. C. Sanders; Mitch Provance 1999-9-26 23111 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  RSA575838  Glinus lotoides Steve Boyd 1981-9-2 s.n. Riverside Gavilan Hills region, north base of the range, south of Lake Mathews in muddy pool in drainage on south side of Cajalco Road, 1 mile west of Archer Road. Comment
  RSA552541  Gnaphalium canescens D. Charlton 1987-12-6 1104 Riverside Cottonwood Canyon, first canyon W of Whitewater N of the 10 freeway. N of Palm Springs. Foothills of San Bernardino Mtns. 915 Comment
  UCR166169  Gnaphalium canescens John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR3583  Gnaphalium palustre Frank C. Vasek 1964-6-24 640624- 03 Riverside City of Riverside, University of California Riverside campus. Life Science greenhouse. 335 Comment
  UCR1195  Gnaphalium stramineum Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, 20 ft from north side of Tenaja Rd., 11 mi from the junction with Washington Ave, Murrieta [vicinity of Squaw Mtn.] 701 Comment
  RSA773187  Grayia spinosa Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4918 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. 850 Comment
  CAS-BOT-BC302141  Gutierrezia sarothrae F. R. Irvine 1958-6-27 s.n. Riverside Soboba Indian Reservation Comment
  UC1118606  Gutierrezia sarothrae A. E. Wieslander 1931-1-1 148 Riverside Comment
  RSA589076  Hazardia squarrosa var. grindelioides D. L. Banks, S. D. Boyd 1995-10-17 0787 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
  UCR232068  Hedypnois cretica John F. Green 2008-4-24 13- 04 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  SEINET1004366  Hedysarum coronarium Walter Graves 2003-1 530 -6 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  RSA717575  Helianthemum scoparium var. scoparium A. C. Sanders, Mike Misenhelter 2005-3-23 29272 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA598425  Helianthus annuus Scott D. White 1996-9-22 4541 Riverside Perris: Nuevo Road at edge of irrigated alfalfa field, just E of San Jacinto River crossing. 435 Comment
  SBBG45071  Helianthus californicus I. W. Clokey with E. G. Anderson 1935-8-21 6934 Riverside N fork of San Jacinto River 1500 Comment
  UC32326  Helianthus niveus subsp. tephrodes W. G. Wright c. 1889 1750 Riverside Colorado Desert Comment
  UCR248086  Heliotropium curassavicum Duncan S. Bell 2012-9-13 4192 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  RSA357130  Heliotropium curassavicum var. oculatum R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37612 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  RSA653072  Hemizonia fasciculata A. C. Sanders 1997-5-1 20625 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR121173  Hemizonia fasciculata D. E. Bramlet 1989-5-21 1879 Riverside Lake Skinner area, Tucalota Creek drainage, in the center of the Tucalota Hills. 5,500 ft. (~1 mi.) east of 'Old' Warren Road. 482 Comment
  UCR121682  Hemizonia fasciculata Ian G. Gillespie, Abby Sirulnik 2000-5-7 32 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  POM17514  Hemizonia kelloggii P. A. Munz 1923-6-18 7124 Riverside 3 miles N of Lake Elsinore. 412 Comment
  RSA711222  Hemizonia kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  UCR202419  Hemizonia kelloggii Karin Cleary-Rose 1998-9-7 s.n Riverside Perris-Aguanga Basin Region; San Jacinto River Valley, west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  UCR214318  Hemizonia kelloggii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38393 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR263470  Hemizonia mohavensis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35585 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, above mapped spring 1524 Comment
  RSA683228  Hemizonia paniculata Scott D. White 2003-12-1 9892 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 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
  UCR90610  Hemizonia paniculata Scott D. White 1995-6-29 3386 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  UCR126990  Hemizonia pungens subsp. laevis A. C. Sanders, Guy Bruyea 2003-6-12 26891 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR256772  Hemizonia pungens subsp. laevis T. B. Salvato, Matthew Malle 2013-5-20 7586 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR66972  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney, P. Gordon-Reedy 1989-6-5 1934 Riverside Domengoni-Diamond Valley, just west of Gateway Farms south of Newport Rd. [1 mi. west of] Rawson Rd. [site now under water of Diamond Valley Reservoir] 517 Comment
  UCR68034  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-6-13 1924 Riverside Domenigoni-Diamond Valley, just east of Gateway Farms. south of Newport Rd. at the intersection of Newport Rd. and Lucas Rd. [site now under water of Diamond Valley Reservoir] 473 Comment
  UCR59918  Hemizonia pungens subsp. pungens Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, c. 1 mi south of Hwy 60 on Nason St. Adjacent to W side of Nason, south of Dracaea Ave. Comment
  UCR133332  Herniaria hirsuta subsp. cinerea 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
  CLARK-A1656-674  Hesperocallis undulata Lois Ann Scott 1978-4-8 Riverside Chuckwalla Valley 304 Comment
  POM14597  Hesperocallis undulata Bradley 1922-4-10 6 Riverside Near Mecca. Comment
  RSA0107472  Hesperocallis undulata Duncan S. Bell, Amanda Turek 2009-3-29 152 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA550338  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4650 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  RSA673556  Hesperocnide tenella Scott D. White, Tasha La Doux 2000-4-20 7684 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  JEPS16283  Heterocodon rariflorum H. M. Hall Jun 1901 2205 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR234753  Heteromeles arbutifolia A. C. Sanders, John F. Green 2012-6-25 40302 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 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
  UCR118214  Heterotheca subaxillaris Mitch Provance 1999-9-23 1680 B Riverside Riverside, UCR Campus, planter on the NE side of Boyce Hall 335 Comment
  POM2930  Hibiscus denudatus I. M. Johnston 1917-4-4 s.n. Riverside mouth of Andreas Canyon 244 Comment
  RSA432775  Hibiscus denudatus Chas. Gabriel 1925-12-16 225 Riverside Rincon [R. Village, Andreas Canyon] Comment
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Nov 17 2011
  UC871183  Hibiscus denudatus Alice Eastwood 1913-4-30 3069 Riverside Palm Canyon Palm Springs; , Palm Canyon Comment
  POM12871  Hieracium horridum P. A. Munz 1922-7-6 6023 Riverside Zigzag on trail from Tahquitz to Hidden Lake; San Jacinto Mts, 2378 Comment
  UC455909  Hieracium horridum I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 3048 Comment
  SEINET190986 Image available Hilaria rigida A. A. Beetle 1942-4-22 3183 Riverside 5 mi E of Shaver's Summit; Rt 60 & 70 Comment
  UCR224685  Hilaria rigida Charles Hughes 2010-3-22 205 Riverside Sonoran (Colorado) Desert, about 9.4 miles south of Hwy 62, next to RR tracks 246 Comment
  SEINET10933655  Hilaria rigida David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2871 Riverside Pushawalla Canyon, Indio Hills. On dry plateau. Channel 1/2 mi NW. Comment
  RSA405281  Hoffmannseggia glauca Geo Cantwell 1935-4-8 s.n Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  CAS-BOT-BC206380  Hoffmannseggia microphylla P. C. Everett; N. F. Lolonis 1963-5-3 24492 Riverside SE. corner of Colima & Obregon Sts., La Quinta, western edge of Colorado Desert 91 Comment
  CAS-BOT-BC207556  Hoffmannseggia microphylla Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  RSA588185  Hoita macrostachya D. L. Banks, Victor W. Steinmann 1995-7-10 0750 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 609 Comment
  SBBG95145  Hoita macrostachya M. Hales 1977-11-6 Riverside Oasis de Los Osos, Snow Crk Cyn Comment
  RSA192094  Holocarpha virgata subsp. elongata E. W. Lathrop 1965-9-22 6025 Riverside 8 miles W of Murrieta Comment
  RSA561056  Holodiscus discolor Steve D. Boyd, Tim S. Ross, D. E. Bramlet 1993-5-12 7357 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, 365 Comment
  CAS-BOT-BC284939  Hordeum brachyantherum subsp. californicum Robert F. Thorne; Earl Lathrop 1969-5-12 37936 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California Comment
  CAS-BOT-BC285036  Hordeum depressum A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd. 460 Comment
  UCR117652  Hordeum intercedens Scott D. White, M. Jacobsmeyer 1996-4-20 3964 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  CLARK-A1528-67  Hordeum leporinum Oscar F. Clarke, C. M. Flanagan 1973-3-13 OO 118 Riverside US 274 Comment
  POM295696  Hordeum murinum subsp. glaucum Lyman Benson 1932-3-26 3167 Riverside 3 miles N [of] Temecula, San Jacinto Mountains; [this location cannot be in San Jacinto Mtns. -SW] 457 Comment
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Dec 4 2011
  UCR114311  Hordeum murinum subsp. glaucum Julie A. Greene 1993-4-17 1229 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  RSA599098  Hordeum vulgare V. W. Steinmann 1996-4-13 827 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  CAS-BOT-BC148559  Horkelia clevelandii Cecil Hart 1926-7-4 s.n. Riverside San Jacinto Mts. Comment
  CAS-BOT-BC148562  Horkelia clevelandii Ralph Hoffmann 1929-9-7 s.n. Riverside Meadow, San Jacinto Mt. 1645 Comment
  SBBG3448  Hosackia oblongifolia var. oblongifolia M. Lewis 1947-8-26 5 Riverside Dark Cyn 1981 Comment
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Jan 16 2012
  CAS-BOT-BC312589  Hulsea vestita subsp. callicarpha H. E. McMinn 1925-7-2 1509 Riverside Tahquitz Peak trail from Idyllwild-San Jacinto Mts. Comment
  RSA94148  Hulsea vestita subsp. callicarpha E. C. Jaeger, Peirson 1922-7-3 5466 Riverside Long Valley, San Jacinto Mts. 2652 Comment
  SBBG65750  Hulsea vestita subsp. callicarpha Mrs. J. D. Wright 1929-6-25 Riverside Idyllwild Comment
  UCD133291  Hulsea vestita subsp. callicarpha D. H. Wilken 1969-6-30 7856 Riverside Riverside County Road R1, at junction of Dark Canyon Road, 5 miles northeast of Idyllwild, San Jacinto Mountains. 1524 Comment
  RSA696758  Hymenoclea salsola J. R. Bruff 1928-4-2 94 Riverside Canyon wash 1 mile west of Morengo. Comment
  UC570561  Hymenoxys odorata Frank W. Peirson 1935-4-17 11468 Riverside 20 mi s Blythe Comment
  UCR112515  Hypochaeris glabra Mitch Provance 1998-3-6 138 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Park, 0.7 km west of Pyrite St.on the north side of Granite Hill Dr. 305 Comment
  CAS-BOT-BC219757  Hyptis emoryi Mrs. Robert Campbell 1921-11-26 14 Riverside Palm Canyon Comment
  OBI13685  Hyptis emoryi Robert F. Hoover 1966-10-15 10164 Riverside Dead Indian Cyn Comment
  SEINET3197211 Image available Hyptis emoryi Andrew C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37473 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (mcCoy 7.5' Q) 204 Comment
  UC63795  Hyptis emoryi H. M. Hall May 17 1901-Jun 1 1901 1838 Riverside Palm Canyon 457 Comment
  CLARK-A1528-4696  Imperata brevifolia John C. Roos 1965-6-23 Riverside Palm Springs Comment
  UC134758  Isocoma acradenia var. bracteosa J. W. Toumey 1894-9-27 19 Riverside Banning Comment
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Mar 13 2011
  RSA91176  Isocoma acradenia var. eremophila F. W. Peirson 1922-12-28 4740 Riverside Andreas Canyon, east base of San Jacinto Mts. 244 Comment
  UC857716  Isomeris arborea Lewis S. Rose 1938-12-18 38323 Riverside Palm Springs 137 Comment
  CSUSB714  Isomeris arborea var. angustata Elliott Helm 1975-5-23 Riverside Mojave Desert Mojave Desert, 16 miles north of 29 Palms, off highway 177 304 Comment
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Aug 26 2014
  RSA451604  Ivesia callida Anstruther Davidson 1930-1 s.n. Riverside Tahquitz Peak. Comment
  UC2062450  Ivesia callida Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7429 Riverside Head of Andreas Canyon on N side Red Tahquitz Peak, San Jacinto Mountains. Comment
  UC570880  Jepsonia parryi Herbert L. Mason 1926-5-1 3199 Riverside Temecula Valley Comment
  SD237483  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37143 Riverside Peninsular Range: Box Springs Mountains Foothills: cultivated in UCR Botanical Garden (Riverside East 7.5'Q) 345 Comment
  SEINET3831732  Juglans hindsii R. E. Riefner Jr. 2011-1 11 -126 Riverside Santa Ana Canyon, end of Green River Rd. near entrance to Green River Golf Course. 125 Comment
  SD225005  Juglans nigra A. C. Sanders, S. Hawkins 1996-4-24 18085 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1100 Comment
  CAS-BOT-BC110044  Juncus acutus H. M. Hall 1905-5-1 5978 Riverside Colorado Desert. Chuckawalla Springs. Comment
  LA19854  Juncus acutus subsp. leopoldii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  UC111320  Juncus acutus subsp. leopoldii S. B. Parish 1907-4-22 6149 Riverside w edge Colorado Desert 200 Comment
  RSA0119964  Juncus bufonius Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9075 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
  RSA386938  Juncus bufonius K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 913 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR222304  Juncus bufonius R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55214 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
  JOTR32467  Juncus bufonius var. bufonius La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2612 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
  RSA719775  Juncus duranii Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1775 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR242660  Juncus longistylis A. C. Sanders 2013-7-6 40849 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  UC1532810  Juncus luciensis Robert F. Thorne and Earl Lathrop 1975-5-20 45498 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California 609 Comment
  UCR24961  Juncus macrophyllus A. C. Sanders 1980-7-22 1714 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
  RSA675699  Juncus mexicanus Scott D. White 2001-5-1 8435 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UCR23213  Juncus rugulosus S. Gallagher 1981-6-1 32 Riverside Box Springs Mtns., Box Springs Road 1.8 mi south of intersection w/ Pigeon Pass Road. Site on the SE corner of intersection of Box Springs Road & a dirt side road leading to W slope of the mtns. 747 Comment
  UCR70881  Juncus sphaerocarpus P. A. Munz 1922-5-5 5161 Riverside 0.5 mi north of March Field Comment
  UCD141897  Juncus tiehmii Barbara Ertter; J. Strachan 1979-6-26 2971 a Riverside Kenworthy Forest Station on Hwy 74 in Garner Valley, San Jacinto Mountains. Comment
  UC1543216  Juncus xiphioides Donald G. Nelson 1936-5-22 398 Riverside n of Ribbon Wood Camp (Pines to Palms Highway, near base of Santa Rosa Mountains, on trail down to stream in Palm Springs Canyon); Palm Canyon Comment
  UCR170123  Juncus xiphioides Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 109 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  UCR59672  Juncus xiphioides Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3551 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  RSA5556  Juniperus californica B. D. Stark 1932-6-17 3749 Riverside Canyon above Cottonwood Springs, Eagle Mts., Colorado Desert. 411 Comment
  UC370477  Justicia californica H. E. Parks 1929-2-9 381 Riverside Palm Springs Comment
  SBBG100102  Justicia californica M. D. Clary 1932-12-15 1132 Riverside bajada 2 mi W of Coral Reef Ranch, at base of Santa Rosa Mtns, Coachella Valley 91 Comment
  JEPS13634  Keckiella antirrhinoides Peter Kamb 1949-5-8 1407 Riverside road above Banning (Banning-Idyllwild road, foothills of the San Jacinto Mts); San Jacinto Mts. 701 Comment
  RSA67761  Keckiella antirrhinoides G. R. Campbell 1951-4-22 16072 Riverside Hwy 74, 4 mi. above Cranston Ranger Stn. 1006 Comment
  UCR131831  Keckiella antirrhinoides Jennie Phui 1998-5-30 037 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  RSA757800  Keckiella antirrhinoides subsp. antirrhinoides LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4287 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 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
  RSA6133  Keckiella antirrhinoides subsp. microphylla B. D. Stark 1933-5-3 4987 Riverside 8 mi. up on the Palms to Pine Highway, San Jacinto Mts. Upper Sonoran. 1220 Comment
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Oct 30 2011
  UCR98077  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, G. Helmkamp 1997-3-15 19952 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  RSA632465  Kickxia elatine Scott D. White 1998-6-17 6753 -B Riverside Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/ Cajalco Rd. jtn. south and east to Santa Rosa Mine/ Post Rd. jtn. 488 Comment
  RSA783584  Koeberlinia spinosa var. tenuispina Michael Wall, Valentin Arvizu 2011-5-24 603 Riverside 6.5 miles north of Desert Center, off Kaiser Rd. ca. 100 meters to the northeast off a small dirt rd. in a shallow wash area near two paloverde trees. 201 Comment
  CAS-BOT-BC61435  Krameria bicolor Carl B. Wolf 1932-4-29 3099 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  CAS-BOT-BC43704  Krameria erecta Joy Keck 1935-4-15 3840 Riverside Lower Morongo Canyon Comment
  UCR208897  Krameria erecta I. M. Johnston 1917-4-4 1097 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, mouth of Andreas Canyon 244 Comment
  POM182416  Krameria grayi E. E. Schellenger 1911-4-25 s.n. Riverside Whitewater wash north of Palm Springs. Comment
  SEINET5560172  Lamarckia aurea H. S. Gentry 1973-1 22192 Riverside Gentry ranch, 3.5 miles NE of Murrieta. 396 Comment
  UCR132773  Lamium amplexicaule S. J. Myers 2001-4-2 s.n. Riverside San Jacinto Mtns., Bautista Canyon, along Bautista creek at Bautista Road crossing, south of Conservation Camp 854 Comment
  UCR146426  Langloisia schottii R. F. Thorne, M. Z. Thorne 1973-3-30 42679 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  RSA0106755  Langloisia setosissima subsp. punctata Duncan S. Bell, Amanda Turek 2009-3-29 146 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA77075  Langloisia setosissima subsp. setosissima F. W. Peirson 1927-4-12 7177 Riverside Painted Canyon, near Mecca. Central part of Painted Canyon Comment
  CAS-BOT-BC205630  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  CSUSB316  Larrea tridentata Frank Aubrey 1959-2-3 Riverside On gas pipe road, 1.8 miles east of junction with U.S. Highway 60, 8.2 miles east of Desert Center. Comment
  UCR177849  Larrea tridentata Marisa Sripracha, K. A. Boyd 2004-2-14 035 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  UCR228402  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-30 105 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, junction of Ramon Road and Thousand Palms Canyon Road, west of Thousand Palms north of powerline in Preserve 198 Comment
  UCR244298  Larrea tridentata Jim Andre 2012-4-15 20861 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  POM6190  Lasthenia coronaria H. M. Hall 1903-3-28 s.n. Riverside Vicinity of Riverside. 427 Comment
  RSA716422  Lasthenia coronaria Scott D. White 2006-4-27 11308 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC69031  Lasthenia coronaria H. M. Hall 1905-4-1 5752 Riverside Beaumount Comment
  JEPS35388  Lasthenia glabrata subsp. coulteri W. L. Jepson 1939-4-17 19159 Riverside Temecula 304 Comment
  POM157896  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10894 Riverside Coahuila Valley. 1372 Comment
  RSA550485  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-29 2246 Riverside San Jacinto Nuevo Y Potrero. The site is located some 150m to 762m. Wst of Gilman Springs Road (Hwy 79) just northwest of the Quail Ranch golf course. It is approximatly 600m to 1300m south of Bold Style Ave. 435 Comment
  RSA554450  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-29 2246 Riverside San Jacinto Valley, ca. 530m W of Gilman Springs Rd (State Hwy 79). & ca. 760m S of Bold Style Avenue. Just NW of the Quail Ranch golf course. 435 Comment
  UC62983  Lasthenia gracilis H. M. Hall 1902-4-21 2926 Riverside vicinity Riverside 457 Comment
  RSA180432  Lathyrus vestitus subsp. alefeldii E. W. Lathrop 1965-5-7 5710 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  SD125949  Lathyrus vestitus var. alefeldii B. Pitzer, E. Misquez 1988-2-28 616 Riverside Walker Basin, SW of Murrieta, Avenida del Oro, 2 miles south of Rancho California Road, hilly area north of road 427 Comment
  UC1128969  Lathyrus vestitus var. alefeldii C. Van Fleet 1931-2-19 11 Riverside w of Elsinore; Elsinore Quad. 457 Comment
  UC15386  Lathyrus vestitus var. alefeldii H. M. Hall 1901-6-1 2153 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); , Colorado Desert 1371 Comment
  UC1329951  Layia glandulosa James E. Cole 1941-5-17 724 Riverside Covington Flat Joshua Tree National Monument, Covington Flat 1584 Comment
  UCSB19172  Layia platyglossa Chepin, Matt 1965-5-16 Riverside Hemet Meadow, State Highway 74, 4.7 miles from junction with State Highway 71 1341 Comment
  POM307779  Layia platyglossa subsp. campestris Henry J. Ramsey, Henry J. Ramsey 1938-3-26 25552 Riverside Corona-Elsinore Road. Comment
  RSA220968  Layia platyglossa subsp. campestris E. W. Lathrop 1966-4-20 6193 Riverside Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA654610  Layia platyglossa subsp. platyglossa Bruce Albert 1982-4-17 62 Riverside Flat field south of Cajalco road, 0.3 miles east of La Sierra Hwy. Comment
  UCR217801  Lepidium lasiocarpum var. lasiocarpum Jim Andre, T. La Doux 2010-2-28 12552 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR22134  Lepidium nitidum Steve Boyd 1980-5-22 298 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  CAS-BOT-BC12720  Lepidium oblongum Lewis S. Rose 1957-1-3 57001 Riverside La Quinta. 15 Comment
  UC64341  Lepidium virginicum var. pubescens H. M. Hall May 1899 1176 Riverside El Toro Mt. San Jacinto Mts. 2286 Comment
  UC1536949  Lepidium virginicum var. robinsonii Gordon H. True Jr. 1935-3-11 66 Riverside Box Springs Sycamore Canyon 426 Comment
  UCR121177  Lepidium virginicum var. robinsonii D. E. Bramlet 1990-4-26 1977 Riverside E side of Rawson Canyon, 2,500 ft. (~0.47 mi.) SW of knoll '2267" 610 Comment
  UCR280975  Lepidium virginicum var. robinsonii Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 75 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  POM361783  Lepidospartum squamatum N. C. Cooper 1943-10-3 938 Riverside Whitewater Canyon. Comment
  RSA588825  Lepidospartum squamatum D. L. Banks, S. D. Boyd 1995-10-17 0777 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
  UC1069806  Lepidospartum squamatum A. E. Wieslander 1929-1-25 40 Riverside mouth of Bautista Creek; San Jacinto Quadrangle Comment
  UCR35057  Leptodactylon californicum L. B. Ziegler 1967-4-18 116 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  RSA783048  Leptodactylon pungens Olmsted 1959-7-1 709 Riverside In Granite along trail from saddle to San Jacinto 4 mi. NE of Idyllwild 2591 Comment
Read comments
Mar 29 2014
  POM364671  Leptosiphon floribundus Emery M. Whilton 1938-5-15 s.n. Riverside Taken between capistrano and Lake Elsinor. Comment
  CAS-BOT-BC227046  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  RSA73057  Leptosiphon lemmonii F. W. Peirson 1938-5-30 12414 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  SD3882  Leptosiphon liniflorus Florence Youngberg 1933-8-28 Riverside San Jacinto Mountains; Idyllwild Pines. Comment
  SD137677  Leptosiphon pygmaeus subsp. continentalis Darin L. Banks, Steve Boyd 1995-5-9 406 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. 737 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
  SD175800  Lessingia glandulifera var. glandulifera Mike Lahti 2006-9-12 1356283 Riverside Sage Ranch Nursery, 41801 East Benton Rd., Hemet. 715 Comment
  UC33152  Lessingia glandulifera var. glandulifera H. M. Hall 1901-8-1 2626 Riverside in vicinity Strawberry Valley; San Jacinto Mountains, Strawberry Valley 1584 Comment
  UC892737  Lessingia glandulifera var. glandulifera I. W. Clokey and E. G. Anderson 1935-8-21 6951 Riverside w Keen Camp Post Office 1200 Comment
  RSA703626  Leymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  SEINET251666 Image available Leymus triticoides A. C. Sanders, O. F. Clarke 1991-6-10 11138 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brooke between lake Evans (Fairmont Park) & the Santa Ana River ( Riverside West 7.5 Q.:) 238 Comment
  SEINET10501671  Lilaea scilloides James S. Henrickson 1969-5-15 Henrickson 3225 Riverside 6 miles W of Murrieta on Santa Rosa Plateau at Tenaja Lake; ca 2 miles E of Tenaja Forest Station; common in low water and moist margins of shallow lake, with Downingia, Heleocharis, Plagiobothrys, Elatine, etc. 610 Comment
  RSA68359  Lilium parryi Verne Grant, Alva Grant 1951-7-19 16091 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR115943  Limonium sinuatum Mitch Provance 1998-6-11 674 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR224311  Limonium sinuatum Justin M. Wood, Jamie Miner 2010-5-12 1680 Riverside Santa Ana Canyon, Santa Ana River, c. 0.75 mi downstream of Prado Dam, just northeast of Green River housing estate 137 Comment
  UCR193304  Limosella acaulis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35600 A Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  POM13331  Linanthus bigelovii E. C. Jaeger 1921-4-1 1095 Riverside Pinon Flat. Comment
  CLARK-A1528-3470  Linanthus dianthiflorus John C. Roos 1937-4-10 1392 Riverside Norco Comment
  UCR78436  Linanthus floribundus Scott D. White 1993-3-15 1192 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  JOTR36429  Linanthus jonesii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 678 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA705491  Linanthus jonesii J. Mark Porter, Sarah J. De Groot 2005-3-9 14247 Riverside E. of State Route 62, on paved road between Peirson Blvd. and Indian Ave., N of the Metropolitan Water District Reservoir, Morongo Valley; on both sides of the road. 486 Comment
  UCR233176A  Linanthus jonesii Jim Andre, Glenn L. Clifton 2011-2-22 17432 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UC455469  Linanthus lemmonii I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  UCSC000603  Linanthus liniflorus I. J. Condit 2010-6-24 s.n. Riverside Idyllwild, Road to [what was then called] Strawberry Valley - San Jacinto Mts. 914 Comment
  RSA645179  Linanthus maculatus J. Mark Porter, L. Machen 1995-4-14 10693 Riverside Floodplains of Morongo Wash, east of Highway 63, and south of the intersection of Indian Avenue and Hwy 62. 500 Comment
  RSA763404  Linanthus parviflorus Scott D. White, Angelia Carey 2004-4-5 9988 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR213886  Linanthus parviflorus Scott D. White, Angelia Carey 2004-4-5 9988 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA572985  Linaria canadensis var. texana Steve D. Boyd 1986-4-19 1702 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR208951  Linum usitatissimum N. C. Cooper 1944-5-6 1207 Riverside San Bernardino Mtns., Whitewater Canyon 457 Comment
  CAS-BOT-BC434237  Lithophragma Tracy Tennant; Mitch Provance 1998-6-16 MOR- 414 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  RSA731074  Lithophragma affine subsp. mixtum Steve Boyd, Aydee Virgen 2004-4-13 10881 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR114759  Lithophragma parviflorum Scott D. White, D. E. Bramlet 1999-4-22 7236 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR20971  Loeflingia squarrosa A. C. Sanders 1980-5-2 1428 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR21947  Loeflingia squarrosa Steve Boyd 1980-4-13 120 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR26384  Loeflingia squarrosa A. C. Sanders, S. Hagopian 1981-5-20 2129 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  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
  RSA0040185  Loeseliastrum matthewsii Sarah J. De Groot, April Garbat 2013-3-27 6890 Riverside Along Highway 177 at the northwest foot of the Granite Mountains, south end of the Cadiz Valley. 396 Comment
  RSA796503  Loeseliastrum matthewsii J. Andre 2012-3-19 21359 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  UCSB28361  Loeseliastrum schottii Dietz, Eileen 1974-3-23 Riverside 3 meters east of 3 Hwy. 111; 300 meters northwest of intersection with Hwy. 74; in Palm Desert 60 Comment
  CAS-BOT-BC342257  Logfia filaginoides F. W. Peirson 1921-3-22 5277 Riverside Murray Canyon near Palm Springs 487 Comment
  CAS-BOT-BC342258  Logfia filaginoides L. R. Abrams 1926-3-26 11030 Riverside Palm Springs Comment
  RSA613134  Lomatium dasycarpum var. dasycarpum D. L. Banks 1997-3-6 1404 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  RSA60726  Lomatium lucidum Frank W. Gould 1944-4-5 2218 Riverside On gravelly roadside at edge of chaparral; 11.5 miles southeast of Temecula. Comment
  JOTR34479  Lomatium mohavense Andre, Jim 2012-4-16 20960 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  RSA0120234  Lomatium mohavense Duncan S. Bell, Thomas Stoughton 2016-4-14 9284 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  UCR133433  Lonicera interrupta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 448 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR209166  Lonicera japonica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37156 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  CAS-BOT-BC234806  Lonicera subspicata H. E. McMinn 1925-7-2 1512 Riverside Tahquitz Trail - Sasn Jacinto Mts Comment
  UCR94935  Lonicera subspicata Scott D. White 1996-8-15 4459 Riverside San Jacinto Mtns., Idyllwild Area: Unnamed drainage (tributary to Toll Rd. Cyn.) at crossing w/ USFS Rd. directly west of Isomata. 1555 Comment
  RSA607344  Lotus R. S. Woglum 1939-4-11 2219 Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  RSA406726  Lotus argophyllus var. argophyllus N. C. Cooper 1944-4-8 1061 Riverside Andreas Canyon. 305 Comment
  UC62935  Lotus argophyllus var. argophyllus H. M. Hall May 1899 Riverside Kenworthy 1310 Comment
Read comments
Mar 25 2011
  SEINET7048200  Lotus hamatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33710 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
  RSA450197  Lotus heermannii J. C. Roos 1952-6-13 5768 Riverside Pigeon Pass. 427 Comment
  UCR237490  Lotus rigidus Duncan S. Bell 2011-3-18 2057 Riverside Mojave Desert, Chuckwalla Mountains, north side of mountain range c. 3 air mi southeast of Desert Center 392 Comment
  RSA136565  Lotus scoparius var. brevialatus P. H. Raven 1958-1-23 11416 Riverside Sandy wash along United States Highway 99 [Hwy 10], 8.6 miles west of Thousand Palms turnoff. Comment
  UCR20970  Lotus scoparius var. brevialatus A. C. Sanders 1980-5-2 1427 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CSUSB1247  Lotus strigosus Margaret Ferro 1970-5-10 15 Riverside Highway 60 to San Jacinto turnoff; 4 miles, then 0.25 mile off east side of road, in wash. 457 Comment
  RSA689379  Lotus strigosus Scott D. White 2001-4-18 8366 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  SEINET7063432  Lotus strigosus A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502344mE, 3715130mN. (WGS84/NAD83). 573 Comment
  UC1537086  Lotus strigosus Gordon H. True Jr. 1935-2-26 18 Riverside Mockingbird Canyon 365 Comment
  UC15699  Lotus strigosus H. M. Hall Jun 1901 2059 Riverside vicinity Chalk Hill; San Jacinto Mountains 1584 Comment
  UCR102933  Lotus strigosus George K. Helmkamp 1998-4-3 3080 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  SEINET10937016  Lotus strigosus Noel H. Holmgren, Patricia K. Holmgren 1973-3-22 Holmgren 6470 Riverside Rice valley, 7 mi ssw of rice. T2s, r20e, sec 21. Sand dunes, common. Petals Yellow. 274 Comment
  RSA633870  Lotus strigosus var. hirtellus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38112 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA523473  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4033 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SEINET10389800  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR164061  Lotus strigosus var. tomentellus A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29140 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA234063  Lotus unifoliolatus R. F. Thorne, E. Lathrop 1969-5-19 37965 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  RSA525225  Lotus wrangelianus Steve Boyd 1990-5-3 4603 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA568562  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  JOTR32830  Lupinus andersonii La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1553 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
  RSA510034  Lupinus arizonicus B. Pitzer, S. Myers, J. Wilkinson 1988-2-21 603 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  UCR41601  Lupinus arizonicus A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6022 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR92610  Lupinus arizonicus George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  UCSB3266  Lupinus arizonicus Wilson, Richard 1958-3-22 Riverside 7 miles East of Desert Center, on U.S. Highway 60-70 Comment
  SBBG35127  Lupinus bicolor T. L. Secrest 1948-4-10 Riverside near Sage Comment
  SBBG94829  Lupinus bicolor E. LaRue 1990-4-20 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of the Pechanga Indian Reservation 365 Comment
  UC1212156  Lupinus bicolor David Dunn 1941-3-29 932 Riverside two mi w Corona; w of Corona Comment
  UCR152641  Lupinus bicolor A. C. Sanders 2005-4-22 29603 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  CLARK-A1528-2819  Lupinus bicolor subsp. microphyllus John C. Roos 1952-4-30 5603 Riverside Edgemont 487 Comment
  POM350056  Lupinus bicolor subsp. microphyllus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA515333  Lupinus concinnus subsp. concinnus Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, Cole Canyon, NW of Mesa de Burro, at head of canyon. 610 Comment
  RSA190627  Lupinus concinnus subsp. optatus L. B. Ziegler 1967-6-1 s.n. Riverside Hemet (Garner) Valley, in Kenworthy area. 1402 Comment
  HSC84137  Lupinus densiflorus Sharon K. Dubois 1987-5-10 Riverside San Jacinto Mtn., 1 mi. up Bee Canyon off Hwy. 74 457 Comment
  LA205082  Lupinus excubitus Elizabeth McClintock; 1936-7-20 sn Riverside San Jacinto Mountains, Idyllwild Comment
  CAS-BOT-BC216679  Lupinus excubitus subsp. hallii P. A. Munz; I. M. Johnston 1922-5-19 5407 Riverside Above Oak Cliff, San Jacinto Canyon, San Jacinto Mountains Comment
  JOTR34273  Lupinus excubitus var. austromontanus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3289 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  POM307275  Lupinus excubitus var. austromontanus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2144 Riverside Santa Rosa Mountains. Comment
  UCR77720  Lupinus excubitus var. austromontanus Steve Boyd 1991-5-7 6159 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  CAS-BOT-BC216702  Lupinus excubitus var. excubitus H. E. McMinn 1925-7-2 1501 Riverside Tahquitz Trail, Mount San Jacinto Range Comment
  RSA516431  Lupinus excubitus var. hallii Walter Wisura, Bart O'Brien, Tom Hayduk 1990-5-2 4439 Riverside along For. Rd. 3S04 btw. Ortega Hwy and Santiago Peak, Santa Ana Mts. Comment
  UCR17534  Lupinus formosus var. hyacinthinus Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA0125292  Lupinus hirsutissimus Duncan S. Bell 2016-3-3 8778 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA716875  Lupinus hirsutissimus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25849 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR262283  Lupinus hirsutissimus A. C. Sanders 2006-5-13 32284 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
  RSA442334  Lupinus hyacinthinus George R. Johnston 1928-9-3 s.n. Riverside San Jacinto Mt. 3277 Comment
Read comments
Jul 6 2008
  SD63731  Lupinus hyacinthinus Peta Mudie 1965-7-5 498 Riverside SW slope on north side of Santa Rosa Mountain above National Forest Campground 2000 Comment
  RSA13144  Lupinus latifolius subsp. parishii Percy C. Everett 1935-6-18 7191 Riverside Santa Ana Mts., main divide motorway to Santiago Park., 1 mi. from Ortega Highway. 732 Comment
  UCR6032  Lupinus longifolius Sally Crum 1966-3-20 s.n. Riverside Santa Ana Mtns, 1 mi [west] of Murrieta, on grassy slope of a small cultivated hill by side of Tenaja Rd 1067 Comment
  UCR156086  Lupinus microcarpus T. B. Salvato, Kent Beaman 2005-5-16 807 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
  UCR166019  Lupinus shockleyi Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  JOTR16695  Lupinus sparsiflorus Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  JOTR35142  Lupinus sparsiflorus La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3254 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  OBI78143  Lupinus sparsiflorus David J. Keil, Malcolm McLeod 1979-3-18 12970 Riverside Alberthill Jctn along Hwy 71 366 Comment
  RSA0065646  Lupinus sparsiflorus Cheryl Sevilla, Sarah J. De Groot 2015-3-18 40 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 2.2 air miles north of the Whitewater Preserve Ranger Station; on the hillside east of the Whitewater River drainage. 885 Comment
  UC710889  Lupinus sparsiflorus C. L. Hitchcock 1940-3-29 5852 Riverside Sandy wash Cottonwood Springs (Cottonwood Springs) Comment
  UCR108488  Lupinus sparsiflorus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16149 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  RSA718870  Lupinus sparsiflorus Michael Honer, L. Hulse 2005-3-8 2035 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  SEINET10903506  Lupinus sparsiflorus Robert F. Thorne 1983-4-23 Thorne 55500 Riverside San bernardino mts: sandy wash along whitewater river where road crosses river Below fish hatchery, ca 4 mi n of whitewater post office. Comment by d.b. Dunn (1984): area of Intergradation from ssp. Sparsiflorus to ssp. Mohavensis. One specimen closer To one and the other closer to the other. Erect, blue-flowered annual. 640 Comment
  RSA792562  Lupinus truncatus Justin M. Wood 2011-4-4 3404 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  POM184722  Lycium andersonii var. deserticola C. Leo Hitchcock 1932-4-7 12209 Riverside 5 miles S of Cottonwood Springs, East Riverside County. Comment
  UCR103780  Lycium barbarum Scott D. White 1994-10-21 2506 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  RSA0042166  Lycium brevipes Duncan S. Bell, Evan Meyer 2014-4-2 6520 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  CAS-BOT-BC231479  Lycium brevipes var. brevipes E. A. McGregor 1917-3-19 2050 Riverside Colorado Desert. Fig Tree John's west shore of Salton Sea Comment
  RSA788559  Lycium cooperi Duncan S. Bell 2012-3-8 3145 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  UCR251344  Lythrum californicum S. J. Myers 2014-5-21 1066 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UC1949954  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55215 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  RSA502190  Machaeranthera asteroides var. asteroides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3718 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  SEINET2053351 Image available Machaeranthera canescens var. incana Don Domenigoni 1985-9-20 Riverside Hemet, 950 N State Street. Comment
  RSA180445  Madia gracilis E. W. Lathrop 1965-5-30 5784 Riverside 6 miles west of Murrieta Comment
  RSA560865  Malacothamnus densiflorus var. densiflorus Steve Boyd 1992-4-14 6831 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  LA41780  Malacothamnus fasciculatus var. fasciculatus Louis C. Wheeler; 1931-10-4 218 Riverside San Jacinto Mountains, Hemet-Idyllwild rd Comment
  RSA517926  Malacothrix glabrata Steve Boyd, B. Roy, Thomas S. Elias, Sara Meury, S. Zona 1986-3-5 1354 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  SBBG55792  Malacothrix glabrata D. Keil, M. McLeod 1977-3-26 12009 Riverside Hwy 71, ca. 8 mi NW of Lake Elsinore St Recreation Area 365 Comment
  UCR281796  Malacothrix glabrata Mitch Provance 2017-5-28 517- 109 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  SEINET3449033  Malva parviflora Unknown 2001-4-29 33519 Riverside Calimesa, Calimesa, south side of route interstate 10 right of way, 0.2 miles west of Desert lawn Road exit, small drainage culvert at San Timoteo Wash 700 Comment
  CHSC35203  Marah macrocarpa James Henrickson 1973-3-18 8607 Riverside 16 (air) miles I of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  UCR20697  Marah macrocarpa A. C. Sanders, Steve Boyd 1980-5-2 1388 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR270753  Marah macrocarpa T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8374 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
  RSA55410  Marina parryi Theo Glenn 1991-5-20 91 -99 Riverside Colorado Desert, Arica Mts, SW of Rice. 320 Comment
  RSA703808  Marina parryi LeRoy Gross 2005-3-3 1601 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC1595726  Marina parryi W. Wisura, J. Dolan, and M. Wall 1992-3-25 4654 Riverside 9.6 mi s Wileys Well (toward Hwy 78) Comment
  UCR72229  Marina parryi Theo Glenn 1991-5-28 91- 111 Riverside Sonoran (Colorado) Desert, Mule Mountains 165 Comment
  UCR102813  Marrubium vulgare A. C. Sanders 1997-3-19 20056 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  UCR20790  Matricaria matricarioides A. C. Sanders, Steve Boyd 1980-5-2 1400 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR207484  Maytenus boaria O. F. Clarke 2003-4-21 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  UCR79216  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  UCR85085  Medicago lupulina A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16028 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  CAS-BOT-BC47745  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area 457 Comment
  SEINET10635025  Melia azedarach Greg Gust, Leith Nye 2005-3-11 Gust 537 Riverside Lake Elsinore City Limits. At intersection of Ellis St. & Franklin St. in an overgrown disturbed site. 400 Comment
  SD162826  Melica californica A. C. Sanders 1997-3-15 19916 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills, rocky gabbro and granite hill 566 Comment
  CLARK-A1528-75  Melica imperfecta C. M. Flanagan 1973-5-31 OO 650 Riverside Morongo Indian Reservation 975 Comment
  RSA179494  Melica imperfecta E. W. Lathrop 1959-5-29 4592 Riverside 14 miles W of Murrieta; Tenaja Canyon in the Cleveland National forest Comment
  SD137951  Melica imperfecta Darin L. Banks, Steve Boyd 1995-5-3 273 Riverside N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove area, along the lower alluvial benches of Arroyo Seco 512 Comment
  UC1537223  Melica imperfecta Gordon H. True Jr. 1935-3-11 79 Riverside Box Springs 365 Comment
  UCR181626  Melica imperfecta Mitch Provance 2004-5-1 7605 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  SD137761  Melilotus indicus Darin L. Banks, Steve Boyd 1995-5-3 188 Riverside Agua Tibia Wilderness Area; north sloope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA651057  Melilotus indicus Margaret Murphy 1983-5-21 0038 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR9107  Mentha X piperita O. F. Clarke 1969-9-28 s.n. Riverside Riverside, residence of O.F. Clarke, 1012 Spruce Street 305 Comment
  UCR279572  Mentzelia A. C. Sanders, Jim Malusa 2017-3-29 43170 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash c. 400 m above confluence with Salt Creek 344 Comment
  RSA27524  Mentzelia affinis I. L. Wiggins 1941-3-26 s.n. Riverside Along wash at Wiley well. Comment
  SD227845  Mentzelia affinis Scott D. White, Pam Devries 1998-3-3 6088 Riverside La Quinta / Palm Desert area; Whitewater River Channel at and near Miles Ave. crossing. 17 Comment
  RSA440405  Mentzelia involucrata N. C. Cooper 1949-4-8 3249 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  SBBG69259  Mentzelia involucrata L. Rowntree 1930-4-12 Riverside Morongo Cyn Comment
  SD241093  Mentzelia involucrata Dave Silverman 2010-3-30 7890 Riverside Southern McCoy Mountains, east bajada flank, 1.8 km west of Black Creek Road, 4.4 km north of I-10 and 7.0 km ENE of McCoy Pk. 174 Comment
  UCR104031  Mentzelia involucrata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2737 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  POM13079  Mentzelia involucrata var. megalantha R. Evans 1921-3-30 s.n. Riverside Painted Canyon, near Mecca. Comment
  PASA1550  Mentzelia laevicaulis Margaret Stason 1931-5-24 Riverside Road to Idyllwild near base Comment
  UCD84490  Mentzelia longiloba Chuck Hughes 2010-6-13 148 Riverside Edge of Rice-Midland Road, about 2.5 miles southwest of Highway 62. 230 Comment
  RSA562102  Micropus californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  SD137858  Micropus californicus var. californicus Darin L. Banks, Steve Boyd 1995-5-9 338 Riverside Agua Tibia Mountains; northwest of Palomar Mountains, west of the Dripping Springs Alcove Area. 730 Comment
  UCR60713  Micropus californicus var. californicus R. F. Thorne 1973-5-23 43870 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA0080432  Microseris douglasii D. E. Bramlet 2005-3-2 3665 Riverside west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  RSA713571  Microseris douglasii subsp. douglasii R. E. Riefner 2005-4-22 05 -240 Riverside Patton Rd. at Patterson Ave. 452 Comment
  UCR112009A  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2000-5-25 23410 A Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  CLARK-A1045-155  Microseris elegans George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  UCR281220  Microseris heterocarpa Mitch Provance, Jeremiah George 2017-3-23 317- 41 Riverside Temescal Valley, east side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail 361 Comment
  UCR18670  Microseris lindleyi John C. Roos 1950-4-5 4721 Riverside Peninsular Range, Box Springs Mtns., north side of Pigeon Pass 427 Comment
  UCR232786  Microseris lindleyi John F. Green 2008-4-16 0408- 39 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  UC943893  Mimulus H. E. McMinn and M. Van Rensselaer 1945-6-7 1896 Riverside along Indian Truck Trail east side of Santa Ana Mts. 960 Comment
  RSA271860  Mimulus aurantiacus var. pubescens C. W. Tilforth 1978-4-30 1566 Riverside Low rounded hills east of Norco. 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
  RSA525702  Mimulus aurantiacus var. pubescens Steve Boyd, Tim S. Ross 1990-5-11 4640 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UC1329893  Mimulus aurantiacus var. pubescens James E. Cole 1941-5-2 672 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  UC943853  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1900 A Riverside Temecula Grade Comment
  RSA420956  Mimulus bigelovii var. bigelovii M. B. Dunkle 1933-3-4 3065 Riverside Painted Canyon 91 Comment
  UCR154644  Mimulus brevipes A. C. Sanders, T. B. Salvato 2005-4-28 29766 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR20878  Mimulus breweri A. C. Sanders 1978-7-3 s.n. Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA282793  Mimulus diffusus C. W. Tilforth, B. Busenberg 1980-6-10 1988 Riverside Along Thomas Mtn. Rd. West of Hwy 74 and south of Lake Hemet. Comment
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May 23 2008
  RSA297748  Mimulus diffusus Barbara J. Ertter, J. Strachan 1979-6-26 2975 Riverside Kenworthy Forest Station on Route/ Highway 74 in Garner Valley, San Jacinto Mountains. Comment
  UC27069  Mimulus floribundus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR37638  Mimulus floribundus George K. Helmkamp 1984-5-5 E 10 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  RSA720618  Mimulus pilosus Naomi Fraga, Dolores Gault, Tim Thibault, Michael Wall 2005-5-19 1565 Riverside Along trail alongside Elsinore Peak. Comment
  UC1518762  Mimulus pilosus Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38098 Riverside above James Reserve; San Bernardino National Forest, San Jacinto Mts., Hall Canyo 1676 Comment
  UCR113873  Mimulus pilosus Mitch Provance, A. C. Sanders 2000-7-4 2092 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR19720  Mimulus pilosus H. A. Zuill 1966-6-5 205 Riverside Santa Ana Mtns., San Mateo Canyon c. 13 mi SW of Murrieta Comment
  LA95899  Mimulus rattanii Frank W. Peirson; 1931-5-30 9379 Riverside Santiago Peak, Glen Ivy Trail 1219 Comment
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Sep 20 2019
  RSA788865  Mimulus suksdorfii Gary D. Wallace 2003-7-8 4037 Riverside Hidden Lake. Comment
  SDSU10801  Mimulus tilingii Garrison 1962-7-29 Riverside 2 miles beyond Black Mountain camp ground. 2134 Comment
  RSA526133  Minuartia douglasii Steve Boyd, Timothy S. Ross 1990-5-11 4646 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  CAS-BOT-BC385089  Mirabilis albida Jean L. Pawek 1964-9-25 635 Riverside Hwy S74 near entrance to Santa Rosa Indian Reservation 1828 Comment
  RSA0093768  Mirabilis albida Duncan S. Bell 2015-9-30 8687 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UC1929818  Mirabilis bigelovii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10450 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
  UCR138561  Mirabilis bigelovii Steve Boyd, Orlando Mistretta 1986-3-13 1480 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  UCR51974  Mirabilis bigelovii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, et al. 1988-3-10 2112 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR215614  Mirabilis laevis Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 08 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  SDSU12952  Mirabilis laevis var. crassifolia Jutta Buschbom 41 Riverside Comment
  RSA339662  Mirabilis laevis var. retrorsa Robert F. Thorne, C. W. Tilforth 1980-5-28 54167 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  CAS-BOT-BC384085  Mirabilis laevis var. villosa J. C. Roos 1966-3-26 s.n. Riverside 2 miles S.E. of Desert Center Comment
  SBBG37507  Mirabilis laevis var. villosa R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  SD119906  Mirabilis pumila Louis B. Ziegler 1964-8-10 29 Riverside Garner Valley; San Jacinto Mountains. 1402 Comment
  UC673536  Mohavea confertiflora H. L. Mason 1928-3-10 4246 Riverside Road from Indio to Palm Springs Comment
  UCSB9624  Mohavea confertiflora Long, Frances 1940-1-1 Riverside Canyon near Salton Sea Comment
  UCR59473  Mollugo verticillata Jeri Hirshberg 1989-7-14 s.n. Riverside Lake Perris, east end of lake 488 Comment
  RSA0042651  Monardella Elizabeth McClintock 1941-7-21 123 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance below Willow Creek. Comment
  LA63043  Monardella australis subsp. australis Elizabeth McClintock; 1941-7-12 108 Riverside San Jacinto Mountains, Trail to Deer Springs Comment
  RSA699167  Monardella lanceolata J. R. Bruff 1934-6-19 544 Riverside San Jacinto Mountains Comment
  RSA762009  Monardella lanceolata Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 661 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD245396  Monardella lanceolata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  UCR85319  Monardella macrantha subsp. hallii A. C. Sanders, S. D. White, C. L. Sanders 1994-12-18 15896 Riverside San Jacinto Mountains, Old Idyllwild Control Rd at & just below Halfway Spring. 1100 Comment
  UC1499881  Monardella nana Elizabeth McClintock 1941-5-22 Riverside Anza Monument, 5 miles south of Anza on road to Coyote Canyon Comment
  UC1499932  Monardella nana E. McClintock, H. Lewis 1941-6-29 78 Riverside Santa Rosa Mt. road, 2.3 mi beyond canyon where stream crosses road Comment
  UCR135712  Monardella nana subsp. arida Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9011 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  HSC86136  Monardella nana subsp. leptosiphon B. Freeman 1969-6-19 6906192 Riverside San Jacinto Mtns., University of California James Reserve, S of lodge, 40 ft. across stream Comment
  RSA247308  Monardella nana subsp. tenuiflora Gary D. Wallace 1966-7-3 639 Riverside San Jacinto Mountain: Thomas Mountain, southeast of Idyllwild. Comment
  RSA750299  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-13 112 Riverside San Jacinto Mts. Near saw mill at Domengonio Flats, on old Idyllwild road. Comment
  RSA750392  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-5-31 50 Riverside About 5 miles from the Anza Monument turn off. Comment
  UC1499829  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 126 Riverside trail to Hidden Lake (below the point at which the switchbacks begin); San Jacinto Mts. Comment
  UC1499945  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 94 Riverside 3/4 mi beyond Stone Creek (Banning-Idyllwild road) Comment
  SD132294  Monardella robisonii K. Stolte 1979-9-4 Riverside Joshua Tree National Monument. Keys Ranch, Hidden Valley area. 100 meters SW of the National Parks Service trailer Comment
  POM363588  Monoptilon bellioides Ora M. Clark 1929-3-16 1707 Riverside N. of Whitewater Comment
  UC1546693  Monoptilon bellioides Barry A. Prigge 1988-2-21 7843 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UCR72207  Monoptilon bellioides Theo Glenn 1992-3-31 92- 15 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  SEINET10800992  Monoptilon bellioides David B. Dunn 1948-3-14 Dunn 3773 Riverside Found in flat open sands near Hidden Springs Ranch 5 miles south of the Indio Hills in the Colorado Desert. Comment
  RSA673724  Montia fontana Scott D. White 2000-4-12 7647 Riverside Baldy Mtn. area. 1616 Comment
  RSA424927B  Moraea polystachya S. Morgan 1984-11-2 s.n. Riverside UCR Botanic Garden, area north of the rose garden Comment
  RSA191455  Muhlenbergia asperifolia E. W. Lathrop, Robert F. Thorne 1967-9-26 6621 Riverside 6 miles NW of Murrieta., 1 mi W of Santa Rosa Ranch. Comment
  JOTR31899  Muhlenbergia microsperma La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2148 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  RSA524400  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4101 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
  UCR2584  Muhlenbergia microsperma F. M. Reed 1920-1-25 4155 Riverside Riverside, Box Springs Mtns. 579 Comment
  UCR41457  Muhlenbergia microsperma A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6135 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  SD152985  Muhlenbergia rigens Steve Boyd, D. Bramlet, T. Ross 1992-9-9 7689 Riverside San Mateo Canyon Wilderness Area. Upper San mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienaga 395 Comment
  UC38274  Muhlenbergia rigens H. M. Hall Jun 1 1901-Jul 1 1901 2427 Riverside Tauquitz Valley San Jacinto Mountains 1889 Comment
  UC905451  Muilla maritima P. A. Munz 1922-4-29 5106 Riverside near Sedco Station (s of Elsinore) Comment
  SD262366  Myosurus minimus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417 82 Riverside Elsinore Trough: Baker St., 0.05 - 0.15 miles SE of Pierce St. 384 Comment
  RSA532577  Myosurus minimus subsp. apus D. E. Bramlet, P. Gordon-Reedy 1991-5-8 2121 Riverside 30m east of California Ave. and 75m north of the AT and SF railroad tracks. The population is NE of the intersection of California Ave. and Marvin Hull Road. Some 10-300m west of MWD Canal. 498 Comment
  SBBG6115  Nama demissa H. and M. Dearing 1936-12-25 1523 Riverside Long Cyn, Colorado Desert Comment
  UCR214291  Nama demissa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37481 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
  RSA648067  Nama hispida var. spathulata J. C. Roos 1949-4-9 4203 Riverside 3 mi. N.E. of Desert Center. Comment
  POM14413  Nassella cernua P. A. Munz 1922-7-4 5970 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  RSA614424  Nassella cernua D. L. Banks 1997-3-29 1557 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
  RSA263718  Nassella lepida E. W. Lathrop 1966-5-26 6343 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CLARK-A1528-3447  Navarretia atractyloides John C. Roos 1952-5-26 5724 Riverside Reche Canyon 457 Comment
  SD146190  Navarretia atractyloides Andy C. Sanders 2000-5-25 23425 Riverside Menifee Valley; S of Newport Road and E of Bradley Road, 2 miles due East of Railroad Canyon Lake 438 Comment
  UCR90341  Navarretia atractyloides Scott D. White 1995-6-30 3440 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA658434  Navarretia fossalis J. C. Roos 1952-5-28 5729 Riverside San Jacinto River bottomland 1 mile south-east of Perris. 427 Comment
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Aug 8 2008
  UCR70678  Navarretia fossalis D. E. Bramlet 1991-6-1 2183 Riverside San Jacinto Valley, San Jacinto River, c. 1.6 km west of Nuevo & 100 m north of end of 13th St.; about 8 m east of the river in a swale adjacent to the levee 473 Comment
  NY323703  Nemacaulis denudata var. gracilis S. B. Parish 1896-4-4 4140 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mountain 152.4 Comment
  RSA464361  Nemacaulis denudata var. gracilis S. B. Parish 1896-04 1931 Riverside Palm Springs. Comment
  SD258496  Nemacaulis denudata var. gracilis J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24394 Riverside West Riverside Mountains: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct, 3 miles S of Grommet RR xing at Hwy 62. (Grommet 7.5'Q) 363 Comment
  HSC85261  Nemacladus longiflorus Steve Boyd 1986-4-22 1753 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  RSA0126449  Nemacladus longiflorus var. longiflorus Mary F. Spencer 1921-7-7 1661 Riverside Tahquitz Trail. Idyllwild. San Jacinto Mtns region. 1829 Comment
  RSA0123278  Nemacladus ramosissimus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8991 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR266495  Nemacladus ramosissimus Mitch Provance, Robin Kinmont 2015-3-30 315- 57 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, unnamed hill about 0.5 miles W of Skunk Hollow, S of Hidden Lake Rd. 440 Comment
  SBBG35064  Nemacladus rubescens T. L. Secrest 1948-4-7 Riverside near Desert Hot Springs Comment
  SEINET10461078  Nemacladus rubescens Ripley 1941-4-7 RIPLEY 3204 Riverside 10 miles north of Cottonwood Springs 747 Comment
  SD46094  Nemacladus tenuis var. aliformis Herbert L. Mason 1952-4-7 14211 Riverside Palm Springs, Palm Canyon Comment
  UC665893  Nemacladus tenuis var. aliformis Ira L. Wiggins 1941-3-27 9671 Riverside 8 mi ne Desert Center (s end of Coxcomb Mountains); Coxcomb Mountains Comment
  RSA523372  Nemophila menziesii G. H. True 1935-2-22 11 Riverside Mockingbird Canyon. 457 Comment
  RSA688918  Nemophila menziesii Scott D. White, Michael Honer 2003-4-2 8897 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UCR51025  Nemophila menziesii 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
  POM13998  Nemophila menziesii var. integrifolia E. C. Jaeger 1921-6-17 934 Riverside San Jacinto Mtns, Below Greggs Ranch Comment
  UC63799  Nemophila menziesii var. integrifolia W. L. Jepson May 17 1901-Jun 1 1901 1288 Riverside Strawberry Valley fide Herb. Jepson! according to L. Constance 1938 Strawberry Valley fide Herb. Jepson! according to L. Constan Comment
  RSA0105076  Nemophila menziesii var. menziesii Daphne K. Christopher, Hannah Stevens 2003-4-4 97 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 536 Comment
  RSA772851  Nerium oleander Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4840 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
  RSA33528  Nicotiana attenuata Robert L. Rutherford 1944-7-15 1577 Riverside Palms to Pines Highway. 1220 Comment
  UCR201618  Nicotiana attenuata Scott D. White, Justin M. Wood 2008-6-16 12140 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  SDSU13601  Nicotiana glauca W. Miller 1972-8-8 Riverside Comment
  UCR91531  Nicotiana glauca Scott D. White 1995-4-5 2714 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  JOTR35284  Nicotiana obtusifolia Andre, Jim 2012-4-11 20776 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  RSA0042856  Nicotiana obtusifolia Duncan S. Bell, LeRoy Gross 2014-3-20 6272 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCD126751  Nicotiana obtusifolia L. S. Stone 1936-1-1 s.n. Riverside L.A. Aqueduct Road, 17 miles north of Indio. Comment
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Feb 1 2014
  UCD63679  Nicotiana obtusifolia Daniel Sanchez-Mata; Salvador Rivas-Martinez 2008-6-6 s.n. Riverside Joshua Tree. Joshua Tree National Park. Hidden Valley. 1380 Comment
  UCR133675  Nicotiana quadrivalvis 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
  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
  SEINET10389838  Nolina bigelovii A. C. Sanders, Jim Malusa 2015-9-12 41883 Riverside Chocolate Mountains Aerial Gunnery Range, just south of Bradshaw Trail, c. 2.4 km west of the Dupont Rd. junction 749 Comment
  RSA640759  Nolina parryi Russell S. Woglum 1937-5-22 539 Riverside Santa Rosa Mountains. Comment
  CAS-BOT-BC71154  Notholaena californica Marcus E. Jones 1925-12-21 s.n. Riverside Andreas Canyon Comment
  SD3334  Oenothera californica Ruth B. Randall 1926-2-22 294 Riverside Coachella Valley. 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
  UCD106847  Oenothera deltoides Richard Bates 1949-4-28 s.n. Riverside Sand dunes, Cathedral City, southeast of Palm Springs. Comment
  CDA38178  Oenothera pallida T. C. Fuller 1958-9-23 2195 Riverside 3 miles east of Anza. 0 Comment
  RSA144818  Oenothera primiveris subsp. primiveris E. G. Linsley, J. W. MacSwain 1960-3-2 60 -3 Riverside Hopkins Well. Comment
  RSA698252  Oenothera scapoidea J. R. Bruff 1932-3-13 s.n. Riverside Between Palm Springs and P. Canyon. Comment
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Aug 27 2011
  RSA776298  Oligomeris linifolia Duncan S. Bell, Amanda Turek 2010-4-10 826 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  SEINET4089734  Oligomeris linifolia G. T. Manthey 1977-1 1617 Riverside About 10 miles east of Mecca onroad going toward Joshua Tree National Forest. Comment
  UCR51933  Oligomeris linifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2199 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA1349  Olneya tesota B. D. Stark 1930-5-25 1540 Riverside 12 miles west of Blythe, near road Comment
  RSA709919  Opuntia basilaris Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4635 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  CAS-BOT-BC56829  Opuntia chlorotica Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA561009  Opuntia littoralis Steve Boyd, Timothy S. Ross 1992-5-4 7201 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  POM284055B  Opuntia phaeacantha Lyman Benson 1955-12-6 15619 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  POM288042D  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  CAS-BOT-BC56904  Opuntia polyacantha var. hystricina C. B. Wolf; P. C. Everett 1938-9-29 3350 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  CHSC14089  Orcuttia californica N. Hogg 1969-4-30 Riverside Mesa de Burro; ca. 4 miles w of Murrietta; on the bottom of a 'cattle tank,' ne portion of the mesa. Comment
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Apr 3 2011
  UCR46057  Orobanche bulbosa A. C. Sanders 1986-6-1 6544 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA709922  Orobanche cooperi Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4638 Riverside Along Palen Pass Road, sandy area near Palen/McCoy Wilderness boundary. Bajada of mountains, just north of Palen Lake (dry). 170 Comment
  UCR33629  Orobanche cooperi Sears 1978-3-16 832 Riverside Sonoran (Northern Colorado) Desert, 12 mi NW of Midland, 3 mi SW of Rice in sand dunes 244 Comment
  RSA0066525  Orobanche cooperi subsp. cooperi Philip A. Munz 1926-1-31 9977 Riverside Desert near Dos Palmas. Comment
  CAS-BOT-BC502874  Orobanche cooperi subsp. latiloba Carl B. Wolf 1932-4-29 3113 Riverside Eastern Colorado Desert. Blythe--Rice Road, 4 mi S of Browns Well Comment
  JEPS10834  Orobanche fasciculata W. L. Jepson and H. M. Hall May 17, 1901-June 1, 1901 1432 Riverside Journey of W. L. Jepson and H. M. Hall from Riverside to Santa Rosa Peak and Palomar, Southern California. Van Deventer's Ranch. Comment
  UCR18525  Orobanche fasciculata A. C. Sanders 1978-6-11 471 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA560836  Orthocarpus purpurascens Steve D. Boyd, Tim S. Ross 1992-5-4 7186 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA263608  Osmorhiza brachypoda E. W. Lathrop 1968-5-22 6912 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SD144084  Osmorhiza brachypoda Scott D. White 1994-4-23 2029 Riverside Millard Canyon, ca 8 air mi N of Cabazon: USFS Rd 2S05.2 ca. 0.3 mi S of jtn 2S05.2 and 2S05B 1299 Comment
  RSA192042  Oxalis albicans subsp. californica E. W. Lathrop 1965-4-26 5686 -b Riverside 4 miles southwest of Murrieta. Comment
  UCR18187  Oxytheca emarginata A. C. Sanders 1978-4-30 865 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  JEPS58026  Oxytheca trilobata W. L. Jepson 1903-8-6 2282 Riverside Chalk Hill San Jacinto Mt. 1463 Comment
  RSA649672  Oxytheca trilobata Rashmi Pant, Darin Banks 1996-5-1 1013 Riverside Cleveland National Forest: Along the Cutca Trail, E of the Cutca Valley, ca. 0.5 miles W of the Aguanga Trail Junction. Comment
  RSA674657  Oxytheca trilobata Scott D. White 2000-8-5 8119 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR193915  Oxytheca trilobata A. C. Sanders, Mitch Provance 2008-7-11 35762 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
  UCR35081  Oxytheca trilobata L. B. Ziegler 1964-7-26 06 Riverside San Jacinto Mtns., Upper Herkey Creek on road to May Valley 1585 Comment
  CHSC20912  Paeonia californica Robert A. Schlising 1972-3-11 3011 Riverside Southwest of Corona, in large wash near margin of Cleveland National Forest. Comment
  UCR138812  Paeonia californica D. L. Banks, J. Moreno 1997-2-5 1260 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  CAS-BOT-BC327894  Palafoxia arida E. A. Macgregor 1917-3-18 739 Riverside 1 mi up Painted Canon Comment
  CAS-BOT-BC327916  Palafoxia arida Mrs. Robert Campbell 1921-11-26 6 Riverside Between Palm Springs and Indian Wells Comment
  UCR1212  Palafoxia arida Martha McCarthy 1960-3-13 s.n. Riverside Western Colorado Desert, [near Whitewater] side of Hwy 60/99 [now I-10], 2 miles past [east of] the Palm Springs cut-off [approx Hwy 111 junction] 396 Comment
  UCR85144  Palafoxia arida A. C. Sanders, G. K. Helmkamp, P. MacKay 1995-3-12 16041 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA151101  Palafoxia arida var. arida P. H. Raven 1962-4-7 17119 Riverside San Gorgonio Pass east of Banning 396 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
  UCD134886  Palafoxia arida var. arida Geoffrey Levin 1976-10-17 1186 Riverside Box Canyon, about 11 mi. east of Mecca. 91 Comment
  UCR100329  Palafoxia arida var. arida George K. Helmkamp 1997-11-1 2516 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  VVC695  Palafoxia arida var. arida P. J. MacKay, T. Thomas 1997-2-8 100 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  CLARK-A1656-880  Palafoxia linearis Lois Ann Scott 1977-11-18 Riverside Palm Springs Comment
  CAS-BOT-BC413374  Parietaria hespera var. californica Steve Boyd 1992-4-15 6877 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  UCR100302  Parietaria hespera var. hespera B. G. Pitzer 1997-4-20 3192 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  LA45752  Parkinsonia florida Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Box Canyon Comment
  UCD84487  Parkinsonia florida Chuck Hughes 2010-6-15 151 Riverside About 190 feet south of Highway 62. 283 Comment
  RSA700041  Parosela mollis W. Marquart 1938-3-12 s.n. Riverside 10 miles west of Blythe. Comment
  UCR109746  Paspalum distichum R. E. Orth 1963-8-1 s.n. Riverside Peninsular Range, Temecula Area, Vail Lake 457 Comment
  UCR274824  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 110 Riverside Southcentral Mojave Desert, Rice Valley Dunes, Rice Valley Wilderness, Hwy 62 to Rice Valley Dunes Road to Midland Vidal Road, power line access road. South/southeast side of dunes 244 Comment
  RSA0043060  Pectocarya heterocarpa Jim Andre 2014-1-27 26659 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA779700  Pectocarya heterocarpa Duncan S. Bell 2010-4-2 726 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  UCR29781  Pectocarya heterocarpa George K. Helmkamp 1983-3-24 383- 12 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  RSA736032  Pectocarya linearis Scott D. White, Jamie Minor 2008-3-13 11767 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  UCR256745  Pectocarya linearis T. B. Salvato, Matthew Malle 2013-4-11 7534 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  UCSB33375  Pectocarya linearis subsp. ferocula Marks, R. 1978-3-16 Riverside At top of hill 3/4 mi. W of orange grove at 3000 Mc Allister Dr. in Riverside 457 Comment
  RSA673717  Pectocarya penicillata Scott D. White, W. LaHaye 2000-5-27 7925 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA741101  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-6-5 12082 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UC218244  Pectocarya penicillata P. A. Munz and I. M. Johnston 1922-5-19 5422 Riverside San Jacinto Mountains, Keen Camp 1524 Comment
  UCR167449  Pectocarya peninsularis 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
  RSA49173  Pectocarya platycarpa P. A. Munz 1949-4-13 13062 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA726537  Pectocarya platycarpa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Lelenad Lubinsky 2005-2-10 1429 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA777853  Pectocarya platycarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 843 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UCR92606  Pectocarya platycarpa George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  UCR256761  Pectocarya recurvata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7887 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR88291  Pectocarya recurvata A. C. Sanders, K. C. Rose 1995-4-5 16386 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA747873  Pectocarya setosa Justin M. Wood 2009-5-11 696 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UCR60271  Pectocarya setosa Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3676 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  RSA192066  Pedicularis densiflora E. W. Lathrop 1959-4-2 4408 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  RSA401955A  Pedicularis densiflora Christopher Davidson 1973-4-1 1809 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UC27315  Pedicularis densiflora Wright 1791 Riverside Beaumont Comment
  RSA85120  Pellaea mucronata var. mucronata J. C. Roos 1952-5-7 5616 Riverside Box Springs Mountains, north of Canyon Crest Heights 457 Comment
  RSA618387  Penstemon centranthifolius D. L. Banks 1997-5-5 1977 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
  SDSU10931  Penstemon centranthifolius W. T. Wiliams 1962-5-12 Riverside San Jacinto, 5 miles N of Idyllwild. Growing 10 feet W of Hwy. Comment
  UCR173145  Penstemon centranthifolius Abby Sirulnik 2000-5-7 29 Riverside Peninsular Ranges; San Jacinto Mtns., along Mt. Edna Rd. off of Calif. Hwy 243, c. 5 mi. N of Poppet Flats 1159 Comment
  SEINET10964571  Penstemon centranthifolius David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20770 Riverside Collected at the jct of hwy 74 and 71. A gas station on the sw corner area Generally chapparal with shaggy adenostema. Comment
  CAS-BOT-BC265287  Penstemon clevelandii subsp. connatus C. Epling; Wm. Stewart 1936-5-9 s.n. Riverside Near Ribbonwood, Mount San Jacinto Comment
  CAS-BOT-BC265290  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-30 15097 Riverside N of Vandeventer Flat, Santa Rosa Mountains 1676 Comment
  JEPS11570  Penstemon clevelandii var. mohavensis J. B. Feudge 1926-5-9 1584 Riverside Keyes Ranch Conchilla Mountains, Little San Bernardino Mts. 1219 Comment
  RSA44866  Penstemon eatonii J. C. Roos 1948-5-15 3839 Riverside Lost Palms Canyon, Eagle Mountains., Colorado Desert. Comment
  RSA402126  Penstemon labrosus H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  RSA33846  Penstemon spectabilis N. C. Cooper 1944-6-17 1422 Riverside San Jacinto Mts. above Banning. 1524 Comment
  RSA621904  Penstemon spectabilis var. spectabilis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3221 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  UC103117  Penstemon spectabilis var. spectabilis A. W. Anthony Riverside San Jacinto Mts. Comment
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Apr 23 2011
  POM187834  Penstemon thurberi E. C. Jaeger 1931-9-18 s.n. Riverside Near Lost Horse Mine Comment
  POM160737  Pentachaeta aurea Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colorado Desert Comment
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Mar 7 2007
  RSA0015690  Pentagramma triangularis Duncan S. Bell 2013-9-29 6048 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash approximately 1.8 air miles southwest of Corn Spring. 648 Comment
  UCSB41255  Pentagramma triangularis subsp. triangularis Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  CAS-BOT-BC77475  Peritoma arborea var. angustata Roxana S. Ferris 1918-6-14 990 Riverside At Shavers Well in Box Canyon, Chocolate Mts. Comment
  CAS-BOT-BC77479  Peritoma arborea var. angustata G. D. Hanna; M. M. Hanna 1958-2-19 s.n. Riverside Orocopia Mts. Comment
  RSA779728  Perityle emoryi Duncan S. Bell 2009-3-8 96 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  UCR3449  Perityle emoryi John Minnich 1964-3-22 64-3-22 16 Riverside Sonoran (Colorado) Desert, Box Canyon (Calif. Hwy 195), c. 10 mi. east of Mecca 61 Comment
  CAS-BOT-BC167763  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta 15 Comment
  CAS-BOT-BC167765  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon 243 Comment
  SEINET3155077  Petalonyx thurberi L. S. Rose 1938-12-19 38324 Riverside 6 miles S of Cathedral City 46 Comment
  UC884703  Petunia parviflora Crawford and Johnston 1917-6-9 1230 Riverside near Corona (Santa Ana River); Santa Ana River Comment
  CAS-BOT-BC326732  Peucephyllum schottii John H. Thomas 1957-3-30 6537 Riverside 0.8 miles east of Cactus City about 13 miles east of Coachella near U.S. Highways 60 and 70, Colorado Desert 518 Comment
  RSA471972  Peucephyllum schottii Christopher Davidson 1979-4-4 7729 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR132750  Peucephyllum schottii Scott D. White 1993-2-5 1045 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UCR279243  Peucephyllum schottii A. C. Sanders, Jim Malusa 2017-1-14 42656 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  CAS-BOT-BC6766  Phaca arenicola Samuel Bonsal Parish 1913-2-28 8467 Riverside Mecca. Salton Basin -60 Comment
  POM48138  Phacelia ambigua E. E. Schellenger 1920-05 s.n. Riverside Canyon east of Coachella, Colorado Desert. Comment
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Jun 15 2012
  RSA21752  Phacelia ambigua Carl B. Wolf 1937-4-6 8424 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA517240  Phacelia ambigua Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1327 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  POM13112  Phacelia brachyloba P. A. Munz, I. M. Johnston 1922-5-19 5344 Riverside 5 mi. E of Murrieta. 488 Comment
  UCR160706  Phacelia brachyloba Ian G. Gillespie, Summer Karsh 2000-5-13 43 Riverside San Jacinto Mtns., Twin Pines Ranch Road off of Hwy 243, below McMullen Flat 1250 Comment
  RSA314657  Phacelia campanularia Robert F. Thorne, Mrs. Raymond Fosberg, Derral Herbst, M. H. Sachet 1983-4-23 55493 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UC1069364  Phacelia campanularia H. S. Yates 1937-3-24 6476 Riverside near mouth of Deep Canyon; Thermal Quadrangle Comment
  RSA752223  Phacelia campanularia subsp. campanularia Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12586 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  RSA771630  Phacelia campanularia subsp. campanularia Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4992 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. 732 Comment
  RSA0123291  Phacelia campanularia subsp. vasiformis Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9005 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA81018  Phacelia campanularia subsp. vasiformis G. R. Campbell 1952-4-6 18406 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 976 Comment
  UCR214569  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37850 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  RSA0041684  Phacelia cicutaria var. hispida N. C. Cooper 1944-4-8 1079 Riverside Andreas Canyon. 305 Comment
  RSA784751  Phacelia crenulata Duncan S. Bell 2012-2-12 3095 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR148050  Phacelia crenulata Steve Boyd, Et al. 2004-5-14 11248 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 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 549 Comment
  JOTR30326  Phacelia crenulata var. ambigua La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1770 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash. Open sandy wash near road heading to Cottonwood. 745 Comment
  UC1424873  Phacelia crenulata var. ambigua Robert F. Thorne and R. Carolin 1967-3-21 41632 Riverside Cottonwood Springs Joshua Tree National Monument 914 Comment
  UCR104821  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-2-5 2663 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  SD241053  Phacelia crenulata var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 7864 Riverside McCoy Wash, N of Palo Verde Mesa, 5.43 km W of Mesaville rairoad siding, 10 km N of I-19, and 13 km NW of Blythe. 139 Comment
  RSA0120440  Phacelia cryptantha Duncan S. Bell, LeRoy Gross 2016-5-18 9597 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  RSA500213  Phacelia distans Steve Boyd, Tim Ross, L. Arnseth 1989-5-7 3530 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD217310  Phacelia distans Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 938 Riverside Northwest Palomar Mountains; northwest foothills of Dorland Mountain, south end of Los Caballos Road, University of California-Emerson Oaks Reserve. 448 Comment
  UC1929820  Phacelia distans Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10495 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
  UCD120406  Phacelia distans C. L. Hitchcock 1966-3-16 24203 Riverside Along Palms to Pines Highway, 7 mi. s. of Palm Desert. Comment
  RSA604733  Phacelia fremontii L. Harris, L. C. Erickson 1937-4-10 s.n. Riverside Palms to Pines Hwy near road to Shumway. Comment
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Dec 17 2011
  HSC35440  Phacelia minor A. M. Montalvo, J. D. Ackerman 1975-6-26 530 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, 1/4 mi. W of Upper San Juan Campground Cleveland National Forest Comment
  RSA523477  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3937 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA604  Phacelia minor J. T. Howell 1927-8-2 567 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA67760  Phacelia minor G. R. Campbell 1951-4-22 16071 Riverside Hwy 74, 4 mi. above Cranston Ranger Stn. 1006 Comment
  RSA715757  Phacelia minor A. C. Sanders 2005-4-22 29606 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR174314  Phacelia minor A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32556 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
  UC24422  Phacelia mutabilis H. M. Hall 1901-7 2480 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  JOTR31229  Phacelia pedicellata La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2013 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  RSA645684  Phacelia ramosissima var. latifolia Scott D. White 1999-5-24 7374 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
  UCR101584  Phacelia vallis-mortae 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
  SEINET5499544  Phacelia vallis-mortae H. M. Hall 1897-3-27 415 Riverside Sage Comment
  SD140218  Phalaris lemmonii A. C. Sanders 1993-5-12 14001 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the new San Diego Aqueduct and Warren, vernally wet depressions 456 Comment
  RSA515337  Phalaris minor Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  UCR279380  Phalaris minor A. C. Sanders, Jim Malusa 2017-3-24 42975 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  RSA697714  Phleum alpinum J. Russell Bruff 1934-7-5 s.n. Riverside San Jacinto 2896 Comment
  RSA459299  Pholistoma membranaceum Bonnie C. Templeton 1930-3-22 1649 Riverside Palm Springs. 400 Comment
  UC193878  Pholistoma membranaceum G. R. Vasey Feb. 1881 Riverside Whitewater Comment
  NY42611  Phoradendron bolleanum J. B. Walker 1995-3-21 1268 Riverside W of Palm Desert, along Hwy 79, 3km E of Pinyon Flat Campground 1200 Comment
  POM6502  Phoradendron californicum Philip A. Munz, Street, Williams 1919-3-26 2333 Riverside Indio. 0 Comment
  RSA189406  Phoradendron californicum L. S. Rose 1966-12-11 s.n. Riverside Palm Springs. 152 Comment
  SEINET8727958 Image available Phoradendron californicum Lewis S. Rose 1938-1 38315 Riverside Palm Springs. 137 Comment
  LA209888  Phoradendron leucarpum subsp. tomentosum Norman C. Cooper; 1944-7-16 1386 Riverside San Jacinto Mountains, Pine Cove Comment
  CAS-BOT-BC141175  Phoradendron serotinum subsp. macrophyllum W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon Comment
  RSA423824  Physalis crassifolia Robert M. Perkins 1937-3-15 s.n. Riverside 20 miles East of Indio. Comment
  RSA79899  Physalis crassifolia J. Ewan 1931-4-2 4089 Riverside Moist sand under Smoke Trees; 2 mi. north of Oasis. Comment
  RSA80966  Physalis crassifolia G. R. Campbell 1952-4-6 18415 Riverside 2 mi. s. of jct. of Cottonwood Springs road, road through Joshua Tree National Monument, south from 29 Palms. 884 Comment
  UC1329897  Physalis crassifolia James E. Cole 1941-4-13 593 Riverside Summit of Pinto Pass; Joshua Tree National Monument Comment
  UC56824  Physalis crassifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1822 Riverside near Palm Canyon 548 Comment
  UCR4493  Physalis crassifolia Frank C. Vasek 1960-3-24 600324- 17 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  UCR251288  Phytolacca americana A. C. Sanders 2014-5-29 41124 Riverside Riverside, UCR Botanic Garden, weeds along east fence near driveway to Schneider House 366 Comment
  RSA67677  Pinus edulis Verne Grant 1951-7-23 16111 Riverside Hillside in narrow canyon, several miles east of Anza on road to Hwy 74. 762 Comment
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Mar 23 2014
  RSA384331  Pinus flexilis George R. Johnstone 1928-9-3 s.n. Riverside Mt San Jacinto. 3294 Comment
  CAS-BOT-BC73184  Pinus jeffreyi A. C. Sanders 1995-11-26 17924 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Old house site on Tule Peak Rd., 1310 Comment
  SD229029  Pinus lambertiana Dick Schwenkmeyer 2012-8-27 809 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  UCSB9245  Pinus monophylla Wilson, Richard 1958-5-18 Riverside At pinon Flats on State highway 74 Comment
  NY62442  Pinus quadrifolia N. H. Holmgren 1969-6-18 3587 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
  POM12978  Pinus quadrifolia Philip A. Munz, I. M. Johnston 1922-5-20 5492 Riverside Head of Hemet Valley, San Jacinto Mts 1524 Comment
  UCSB142  Pinus quadrifolia Haller, John 1960-5-15 Riverside 0.4 mi. W of Calif. 74 on road to Anza, near S end of Hemet Valley 1463 Comment
  UCR103792  Piptatherum miliaceum Scott D. White 1994-10-21 2510 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  UCR40255  Piptatherum miliaceum Steve Boyd 1985-7-23 1018 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  UCR94260  Plagiobothrys Scott D. White 1996-4-14 3893 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  UCR172255  Plagiobothrys collinus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  RSA648063  Plagiobothrys collinus var. californicus Starr Streight 1982-4-17 36 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  UCR241608  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-2 40747 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR201471  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2008-6-5 12085 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  RSA198966  Plagiobothrys fulvus var. campestris R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37425 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA776143  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-10 840 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  POM13567  Plagiobothrys leptocladus P. A. Munz, I. M. Johnston 1922-5-19 5369 Riverside Menifee Valley. Comment
  UCR92708  Plagiobothrys leptocladus A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18048 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  CLARK-A1528-2263  Plagiobothrys parishii John C. Roos 1950-3-18 4713 Riverside Perris 457 Comment
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Feb 23 2014
  CLARK-A1528-2265  Plagiobothrys tenellus John C. Roos 1947-3-21 3367 Riverside Reche Canyon 365 Comment
  SBBG133367  Plagiobothrys tenellus S. D. White, J. M. Wood 2008-5-15 12000 Riverside Johnson Meadow, San Jacinto Mtns 1415 Comment
  UCR179202  Plagiobothrys tenellus T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 135 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR87662  Plagiobothrys tenellus A. C. Sanders 1994-5-29 14575 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UCR103575  Plantago ovata George K. Helmkamp 1998-1-17 2527 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCSB17040  Plantago ovata var. fastigiata Hurst, Linda 1963-5-5 Riverside 12. miles east of Pinyon Flats Campground on California Highway 74 1097 Comment
  UCSB32743  Plantago ovata var. fastigiata Cowan, Clark 1974-4-6 Riverside 1 mi. from Palm Desert Golf Course; .5 mi. on dirt road from maintenance shed; near dump area 91 Comment
  UCSB6239  Plantago ovata var. fastigiata Haller, John 1960-4-2 Riverside at north base of Orocopia Mtns; 1.3 miles south of the junc. of US 60-70 and the south entrance road to Joshua Tree Nat. Mon 487 Comment
  RSA770451  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4563 Riverside Transverse Ranges, San Bernardino Mountain region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.95609, W116.64365 and N33.95477, W116.64248. 526 Comment
  UCR133944  Plantago patagonica John F. Green 2004-3-31 s.n. Riverside San Jacinto Mtns., Bautista Canyon, near Bautista Conservation Camp 808 Comment
  RSA21483  Plantago purshii var. oblonga Carl B. Wolf 1937-4-5 8418 Riverside San Gorgonio Pass, 1 mi. W. of Whitewater 366 Comment
  RSA500217  Platystemon californicus Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3526 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SBBG101726  Platystemon californicus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6071 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UC167985  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCD96039  Platystemon californicus C. L. Hitchcock 1962-3-16 22163 Riverside 5 miles SE of Elsinore. Comment
  RSA532573  Plectritis ciliosa subsp. insignis D. Bramlet 1991-4-30 2095 Riverside Shipley Reserve. Fotthills, some 2.4 km south of Crown Valley and 2 km. east of Rawson Canyon. The population is in ther northern foothills of Black Mtn., some 830m southeast of knoll 761m. 760 Comment
  RSA697727  Pleuraphis rigida Wilma Griset 1931-3-29 s.n. Riverside Colorado Desert, Indio. Comment
  RSA457772  Pleurocoronis pluriseta Steve Boyd 1988-3-10 2216 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA472090  Pleurocoronis pluriseta Albert J. Perkins 1916-4-19 s.n. Riverside Palm Springs. Comment
  HSC47481  Pluchea sericea Richard Spjut, Judy Adams 1978-11-22 5241 Riverside Colorado Desert; vicinity of Indio along Dillon Rd. 0 Comment
  RSA342539  Pluchea sericea R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54092 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA472132  Pluchea sericea L. H. Jones 1910-3-19 s.n. Riverside On bottom betw Willowa and Quail Brush, Riverside Mtn. Comment
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Apr 21 2013
  UCR120686  Pluchea sericea D. E. Bramlet 2000-8-30 3074 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  RSA734614  Poa pratensis Keith E. Hoffmaster 1937-6-6 784 Riverside San Jacinto mountains, near Hemet Lake Comment
  RSA741061  Poa pratensis Scott D. White, Justin M. Wood 2008-6-5 12068 Riverside Quinn Flat Meadow. 1372 Comment
  UC1930101  Poa secunda Scott D. White, Justin Wood 2008-6-16 12147 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UCD91782  Poa secunda subsp. secunda F. W. Peirson 1933-4-15 10655 Riverside Whitewater River, 4.5 miles above bridge. 701 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
  RSA125544  Polygonum aviculare subsp. aviculare R. Weatherby 1949-5-13 412 Riverside La Sierra district. 152 Comment
  CLARK-A1528-3788  Polygonum lapathifolium Art Whistler 1966-5-18 8 Riverside University of California Comment
  UCR89815  Polygonum lapathifolium Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA430215  Polygonum persicaria D. Thomason 1987-7-7 s.n. Riverside Lake Cahuilla, Coachella Valley. Comment
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Feb 9 2009
  RSA772337  Polypogon australis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4518 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR172143  Polypogon monspeliensis A. C. Sanders 2006-5-11 32257 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  CAS-BOT-BC102598  Populus fremontii L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  UCR194230  Porophyllum gracile Scott D. White 2006-4-28 11320 Riverside Elsinore Basin, Wildomar, east of the I-15 Fwy and north of Baxter Road. South and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills 488 Comment
  UCR280994  Porophyllum gracile Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 56 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  CAS-BOT-BC452157  Potamogeton diversifolius P. A. Munz 1922-9-6 6380 Riverside Hidden Lake, San Jacinto Mts 2438 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
  POM78961  Potamogeton foliosus I. M. Johnston 1925-7-7 s.n. Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  POM366583  Potentilla gracilis var. elmeri Anstruther Davidson 1920-07 3401 Riverside Idlywild. [Idyllwild.] Comment
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Nov 29 2014
  UC170162  Proboscidea althaeifolia E. E. Schellenger 1894-8-20 110 Riverside Paloverde Colorado Desert Comment
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Jan 23 2012
  RSA0040119  Prosopis glandulosa Joseph Brehm 1933-7-5 4943 Riverside Collected at Dos Palmas ACEC along the north fence, 0.5-1 mile north of Aquafarms. Comment
  SD84907  Prosopis pubescens Nancy Ryan Zabriskie, Walter Zabriskie 1971-10-24 459 Riverside East slope of San Jacinto Mountains, Andreas Canyon watershed, SE of turnoff to clubhouse fron Andreas Canyon Club Road 320 Comment
  POM244  Prunella vulgaris var. lanceolata M. Durant 1919-5-18 s.n. Riverside Riverside, in lawn Comment
  UCR39192  Prunus fasciculata M. L. Rosczyk, G. K. Helmkamp 1985-4-4 204 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, at the west side of the main canyon c. 0.5 miles north of Indian Ave. 503 Comment
  RSA212925  Prunus fremontii L. B. Ziegler 1969-4-6 s.n. Riverside Pinyon Flats southeast of San Jacinto Mts. 1524 Comment
  SD114332  Prunus fremontii D. F. Howe 1948-2-2 1742 Riverside Desert slope of Santa Rosa Mts. Comment
  SJSU5198  Prunus fremontii S. M. Kaune 1961-12-27 212 Riverside State Rte 74 (Palms to Pines Hwy) c. 5-7 mi E of Toro Peak 1173 Comment
  UC1010231  Prunus fremontii John and Lucille Roos 1953-3-21 5908 Riverside S of Palm Springs (Andreas Canyon, mouth of) 274 Comment
  UCR101454  Prunus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22219 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR250576  Prunus ilicifolia A. C. Sanders 2014-4-25 41074 Riverside Peninsular Range, Temescal Canyon, Richland property near Horsethief Canyon Rd., SW of I-15 381 Comment
  UCR265838  Prunus ilicifolia Mitch Provance 2012-5-24 512- 21 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  LA208104  Prunus ilicifolia subsp. ilicifolia W. E. Pequegnat; 1939-4-8 32 Riverside Santa Ana Mountains Comment
  SD137634  Prunus ilicifolia subsp. ilicifolia Darin L. Banks, Peter Morrell 1995-5-4 298 Riverside Cleveland National Forest, Agua Tibia Wilderness area. N slope of Agua Tibia Mtn., E of the Drip[ping Springs Alcove Area, along the Woodchuck Trail 548 Comment
  RSA15495  Psathyrotes ramosissima L. S. Rose 1935-12-23 35686 Riverside 7 miles south of Cathedral City 152 Comment
  UCR279561  Psathyrotes ramosissima A. C. Sanders, Jim Malusa 2017-3-29 43169 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash c. 400 m above confluence with Salt Creek 344 Comment
  UCR34952  Psathyrotes ramosissima L. B. Ziegler 1976-9-20 554 Riverside Sonoran (Colorado) Desert, N end around Desert Hot Springs. 381 Comment
  UCR121316  Pseudognaphalium biolettii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25002 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  CAS-BOT-BC356663  Pseudognaphalium californicum T. B. Salvato; John F. Green 2004-5-27 708 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
  SD129594  Pseudognaphalium californicum Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek, 0.5 miles east of old San Jacinto Nuevo Y Potrero land grant 700 Comment
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Dec 21 2010
  UCR268284  Pseudognaphalium californicum Jim Andre 2012-6-15 30510 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
  UCR281562  Pseudognaphalium canescens subsp. microcephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 83 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  JOTR30789  Pseudognaphalium luteoalbum La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2096 Riverside Joshua Tree National Park. Eagle Mountains; Cottonwood Oasis 914 Comment
  RSA563910  Psilocarphus brevissimus A. C. Sanders 1993-4-5 13687 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  UCR140312  Psilocarphus brevissimus A. C. Sanders, Guy Bruyea 2004-4-2 27421 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  CAS-BOT-BC361787  Psilocarphus brevissimus var. brevissimus A. C. Sanders; K. C. Rose 1998-5-21 21855 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  CAS-BOT-BC361790  Psilocarphus brevissimus var. brevissimus Philip A. Munz 1941-5-18 16648 Riverside About 15 miles north-east of Temecula Comment
  RSA94628  Psilostrophe cooperi F. W. Peirson 1928-4-25 7916 Riverside On plateau west and northwest of Cottonwood Spring, northern Colorado Desert Comment
  UCR18939  Psoralea californica John C. Roos 1941-5-10 125 Riverside Santa Rosa Mtns, Pinyon Flats Campground 1220 Comment
  CAS-BOT-BC353577  Psorothamnus arborescens var. simplicifolius David Dreyer 1971-4-3 194 Riverside ca. 1 miles south of junction of Highway 62 and Indian Ave., north of Indio Comment
  CAS-BOT-BC353632  Psorothamnus emoryi Lewis S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
  CAS-BOT-BC340896  Psorothamnus schottii Carl B. Wolf 1932-4-27 3057 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  CAS-BOT-BC340914  Psorothamnus schottii E. H. Daniels; J. Bates 1937-5-3 s.n. Riverside Colorado Desert: Box Canyon, on road from Mecca to Shaver's Well Comment
  UC1539725  Psorothamnus schottii Chas. B. Fiker 1946-4-16 3390 Riverside West side of Colorado Desert Comment
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Mar 23 2014
  UC311260  Psorothamnus schottii Philip A. Munz 1926-1-1 10816 Riverside Thousand Palms Comment
  UCR268638  Psorothamnus schottii Jim Andre 2012-4-11 20847 Riverside Mojave Desert, Orocopia Mountains, north end of range, along dirt road 2.8 mi due south of Hwy I-10 at Box Canyon Road/Cottonwood Road exit 624 Comment
  UCSB18556  Psorothamnus schottii Shaw, Merrilee 1963-5-5 Riverside Along State Highway 74, 9.6 miles northeast of Pinyon Flats Campground 487 Comment
  UCSB3065  Psorothamnus spinosus Keator, Glenn 1959-5-17 Riverside West edge of Colorado Desert between Palm Desert and Palm Springs Comment
  UCR152636  Pterostegia drymarioides A. C. Sanders 2005-4-22 29611 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR85245  Pterostegia drymarioides A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15991 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA0094465  Pulicaria paludosa Duncan S. Bell 2015-8-12 8596 Riverside Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  JOTR32641  Purshia tridentata var. glandulosa La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2562 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  RSA757785  Purshia tridentata var. glandulosa LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4302 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA86651  Purshia tridentata var. glandulosa F. W. Peirson 1933-4-13 10645 Riverside Between Deep Canyon and Idylwild. 1524 Comment
  UCR266458  Quercus Mitch Provance 2009-9-10 17425 Riverside San Bernardino Mountains, Banning, beneath SCE lines about 290 m NW of the intersection of Bluff St. and Midas Canyon Rd 850 Comment
  SEINET10914610  Quercus X acutidens Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-11 Townesmith 674 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  POM256952  Quercus X morehus W. Pequegnat 1940-6-15 s.n. Riverside Between Horsethief and Rice Canyon, Santa Ana Mts. 1250 Comment
  UCSB1219  Quercus X morehus Neely, William 1948-10-3 Riverside Above highway near Idyllwild, San Jacinto Mts. 1828 Comment
  RSA751628  Quercus agrifolia var. agrifolia G. Gust, L. Nye 2005-3-11 540 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  UCD45076  Quercus agrifolia var. oxyadenia Maunsell Van Rensselaer 1937-6-24 s.n. Riverside San Jacinto Mountains, Riverside County, California. Comment
  UCR158908  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31562 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  RSA0081317  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812 -32 Riverside Western Riverside County: Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero. 752 Comment
  UCR135834  Quercus berberidifolia A. C. Sanders 2004-4-20 27523 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
  UCSB1228  Quercus chrysolepis Neely, William 1948-10-3 Riverside Devil's Slide Trail, Idyllwild, San Jacinto Mts. 2316 Comment
  POM296380  Quercus cornelius-mulleri Lyman Benson 1946-4-15 12042 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UCD14089  Quercus cornelius-mulleri Stephen K. Langer 1995-4-7 s.n. Riverside California, Riverside Co.; Pinyon Flats, Santa Rosa Mountains, Comment
  UC500660  Quercus dumosa Aven Nelson 1930-3-1 11165 a Riverside Jack-rabbit Trail Banning Comment
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Mar 21 2011
  UC5826  Quercus dumosa S. B. Parish 1891-11-5 2259 Riverside McGee's home Comment
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Mar 9 2011
  RSA228817  Quercus engelmannii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 607 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  UC1135589  Quercus engelmannii R. St. John 1930-3-18 108 Riverside Lakeside Mountain Elsinore Quad. 731 Comment
  UCR106911  Quercus engelmannii D. L. Banks, Lauren Raz 1996-11-5 1163 Riverside NW Palomar Mtns., Pechanga Indian Reservation, south of San Gabriel Church; west of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34 390 Comment
  POM11520  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa. 1982 Comment
  SDSU6979  Quercus kelloggii H. Wedberg 1962-7-28 995 Riverside About 1 mile from Mountain Center on the road to Idyllwild. 1158 Comment
  JEPS98072  Quercus palmeri D. Wilken with E. Painter 2000-11-4 15870 Riverside State Hwy. 74. E of jct. with State Highway 71, near old Santa Rosa Summit, at trailhead to Pacific Crest Trail San Jacinto Mountains 1600 Comment
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May 30 2008
  SDSU6994  Quercus wislizeni H. Wedberg 1962-7-28 988 Riverside 6 miles from Mountain Center on the road to Hemet. 914 Comment
  RSA704013  Rafinesquia californica Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 133 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On main gravel road heading away from ranch entrance and private residence driveways. 363 Comment
  RSA399353  Ranunculus alismifolius var. alismellus G. Hasse s.n. Riverside San Jacinto. Comment
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Jun 14 2012
  POM13200  Ranunculus aquatilis var. capillaceus P. A. Munz, I. M. Johnston 1922-5-21 5522 Riverside Garner Ranch, Hemet Valley Comment
  RSA0030881  Ranunculus cymbalaria var. saximontanus Ira W. Clokey, E. G. Anderson 1935-8-21 6627 Riverside Hemet. 1030 Comment
  CLARK-A1528-3907  Rhamnus crocea JOhn C. Roos 1952-2-29 5378 Riverside Reche Canyon 457 Comment
  RSA785510  Rhamnus crocea Doris Bowers 1972-4-15 1852 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  UCR40154  Rhamnus ilicifolia Steve Boyd 1985-4-7 1111 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Rd., 0.8 mi east of jtn with 8S01 and 8S02 610 Comment
  RSA390152  Rhamnus tomentella subsp. cuspidata Elbert Benjamine 1929-5-18 215 Riverside Mt. San Jacinto. Comment
  POM320387  Rhododendron occidentale Anonymous 1968-11-3 s.n. Riverside Fulmor Lake, San Jacinto Mountains Comment
  CAS-BOT-BC200032  Rhododendron occidentale var. californicum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCD116881  Rhus aromatica Ted C. MacRae 1995-5-26 43 b Riverside Santa Rosa Mts., Pinyon Flats Cpgd., 15.5 mi S Palm Desert. 1219 Comment
  RSA0060481  Rhus ovata J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA771757  Rhus ovata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4634 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR163816  Rhus ovata John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  RSA0046827  Rhus ovata Tamara Joy Hanna 1991-5-12 30 Riverside Township of Anza, area of High Country Ranches. From Tamatea Road approx. 100 ft. to dry stream bed, walking northeasterly direction. 1280 Comment
  RSA495434  Rhus trilobata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2961 Riverside Vail Lake area, lower slopes of Oak Mountain 1.5 mi WSW of lake. 488 Comment
  RSA522733  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3839 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA594789  Ribes indecorum D. L. Banks, Dylan Hannon 1996-5-3 0985 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  RSA612841  Ribes indecorum D. L. Banks 1997-3-1 1375 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UC1127275  Ribes malvaceum A. Lewis May 1934 456 Riverside w La Cienaga; Cleveland National Forest, Elsinore Quadrangle Comment
  SD128273  Ribes nevadense R. Mitchel Beauchamp 1971-5-15 2422 Riverside San Jacinto Moutains Black Mountain Campground Comment
  RSA722426  Romneya coulteri Pomeroy 1929-5-11 s.n. Riverside Glenn Ivy Comment
  UCR217664  Romneya coulteri Ana Hernandez, Jeff B. Galvin 2010-5-6 020 Riverside Santa Ana Mountains, At the mouth of Rice Canyon on East Horsethief Trail next to riparian drainage 494 Comment
  RSA752136  Rorippa curvisiliqua Justin M. Wood, Brandy Wood 2009-7-4 1040 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UCR177429  Rorippa curvisiliqua Scott D. White 2003-10-9 9818 Riverside San Jacinto Mountains, Pine Cove. Lily Creek just north of crossing at Hwy 243 1738 Comment
  UCR216238  Rorippa nasturtium-aquaticum Mike Bell 2008-4-27 049 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 538 Comment
  CAS-BOT-BC147543  Rosa californica I. M. Johnston 1918-5-30 1992 Riverside Temescal [Canon] Canyon (between Elsinore & Corona) 365 Comment
  UC218158  Rubus parviflorus P. A. Munz 1922-9-6 6385 Riverside North Fork of Tahquitz Creek San Jacinto Mts., North Fork Tahquitz Creek 2209 Comment
  UCR132822  Ruellia A. C. Sanders 1997-10-13 21587 Riverside Riverside, UCR Botanical Garden 366 Comment
  UCR262248  Rumex crispus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3735 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
  CAS-BOT-BC129750  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 268 Riverside Andreas Cany, east slope San Jacinto Mts. 304 Comment
  UCR92270  Salix exigua Scott D. White 1995-8-23 3571 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UC537090  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n of Elsinore 304 Comment
  RSA770929  Salix gooddingii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4786 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC729852  Salix gooddingii Carl B. Wolf 1929-5-31 3739 Riverside 6 mi from on Chino Rd Corona (1 mi n.w. of Santa Ana R.) Comment
  POM2054  Salix laevigata I. M. Johnston 1918-5-30 1997 Riverside Temescal Canyon 366 Comment
  UC717266  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  UCR121087  Salix laevigata A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24973 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  CSUSB919  Salix lasiandra Oscar F. Clarke, M. Alexander 1971-3-31 Riverside Santa Ana River Santa Ana River bottom, in (city of) Riverside. Union Pacific Bridge. Comment
  CAS-BOT-BC129511  Salix melanopsis Geo. B. Grant 1906-5-1 s.n. Riverside Colorado Deserat at Palm Springs Comment
  UCR60260  Salsola tragus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3667 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  CLARK-A1045-112  Salvia apiana George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  POM78751  Salvia apiana Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA192106  Salvia apiana E. W. Lathrop 1966-6-9 4952 Riverside 14 miles W of Murrieta. Comment
  POM7001  Salvia carduacea P. A. Munz, L. T. Street, G. Williams 1919-3-28 2459 Riverside Palm Springs. 701 Comment
  RSA761129  Salvia carduacea Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-31 115 Riverside PCT Trail. W of Whitewater. 869 Comment
  JEPS62684  Salvia columbariae L. M. Newlon 1922-4-3 431 Riverside 6 mi w Indian Wells (sw Colorado Desert); Colorado Desert Comment
  RSA401482  Salvia columbariae Robert M. Perkins 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  RSA401485A  Salvia columbariae Anstruther Davidson 1896-07 s.n. Riverside San Jacinto Mtns. Comment
  UCR172785  Salvia columbariae Wayne Law, Jun Hu 2000-5-16 18 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR234248  Salvia columbariae A. C. Sanders, T. B. Salvato 2012-4-27 40094 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, 265 m NW of El Hermano Rd. 310 Comment
  POM229037  Salvia eremostachya P. A. Munz 1937-5-30 15109 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  CHSC21757  Salvia greatae Robert A. Schlising 1973-3-31 3073 Riverside Salt Creek Wash, between Orocopia and Chocolate Mountains (ca 5 mi NE of 'crossing 24' of Coachella Canal). Comment
  JEPS16865  Salvia greatae Marjorie D. Clary 1932-12-18 1741 Riverside Canyon Springs; Orocopia Mts. 121 Comment
  RSA582439  Salvia greatae C. Epling 1937-04 s.n. Riverside Canyon north of Hidden Spring, Orocopia Mts. Comment
  RSA613655  Salvia mellifera D. L. Banks, Victor W. Steinmann 1997-3-13 1465 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
  SDSU12926  Salvia mellifera Jutta Buschbom 1991-5-1 40 a Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCD166201  Salvia mellifera Jack Major 1962-4-16 766 -a Riverside Along side of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  UCR108394  Salvia mellifera D. L. Banks, V. W. Steinmann 1997-3-13 1465 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
  UCR59810  Samolus parviflorus Jeri Hirshberg 1989-7-25 s.n. Riverside Peninsular Range, Butterfield Country, SW of Vail Lake Comment
  UCR160530  Sanicula arguta John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  RSA613721  Sanicula bipinnatifida D. L. Banks 1997-4-5 1692 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  UCR108995  Sanicula bipinnatifida D. L. Banks 1997-3-29 1566 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR34992  Sarcostemma cynanchoides L. B. Ziegler 1966-9-13 085 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  SEINET8191806  Sarcostemma cynanchoides subsp. hartwegii D. W. Taylor 2003-5-6 18521 Riverside 1.15 miles NNE of Cabazon, along access road paralleling powerlines. 640 Comment
  UC1595752  Sarcostemma cynanchoides subsp. hartwegii W. Wisura, J. Dolan, and M. Wall 1992-3-24 4633 Riverside 13.1 mi. n.e. of Mecca (on Box Canyon Rd.) Comment
  UC495324  Sarcostemma cynanchoides subsp. hartwegii P. A. Munz 1932-4-24 12397 Riverside Snow Creek Canyon San Jacinto Mts., Snow Creek Canyon 457 Comment
  RSA192333  Satureja chandleri E. W. Lathrop 1966-5-11 6287 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  RSA483279  Schismus arabicus Robert Gustafson 1980-4-3 1519 Riverside Orocopia Mountains, about 6 miles east of Mecca on Box Canyon road. 305 Comment
  SDSU12240  Schismus barbatus Shasta Gaughen, M. G. Simpson 2000-4-1 6 Riverside Comment
  UC1546999  Schismus barbatus Leila M. Shultz, John S. Shultz 1985-4-17 8299 Riverside n of Blythe (Palo Verde Valley, at the s extension of the Big Maria Mountains); Big Maria Mountains, Palo Verde Valley 91 Comment
  UCD93275  Schismus barbatus Elizabeth Wilson 1940-4-2 s.n. Riverside Riverside Counrty: Palm Springs. Comment
  UCR49994  Schismus barbatus S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  RSA710173  Schoenoplectus acutus var. acutus A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  POM1387  Schoenoplectus californicus D. L. Crawford 1916-2-3 s.n. Riverside Santa Ana River (Prado Beach) Comment
  UCR277488  Schoenoplectus californicus Mitch Provance 2013-2-16 0213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  SBBG37513  Scrophularia californica R. N. Muller 1962-5-5 34 Riverside UC Riverside campus, on S side of first E-W ridge S of irrigation reservoir Comment
  UC1234751  Scrophularia californica Peter H. Raven 1962-4-29 17486 Riverside 1 mi above its e base Ortega Hwy 487 Comment
  RSA425202  Scrophularia californica subsp. floribunda Ora M. Clark 1929-4-6 1936 Riverside Riverside. Comment
  CAS-BOT-BC341097  Scutellaria mexicana Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-30 504 Riverside Below Pinyon Crest in Chapman's Rancheros area toward Dos Palmas Spring; north-west of Hwy 74 in Santa Rosa Mts. (Site 11) 1097 Comment
  UCR193456  Scutellaria siphocampyloides A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35644 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  SEINET270116  Scutellaria tuberosa Steve Boyd, Tim Ross 1992-5-4 7187 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains. Oak Flats area east of Verdugo Portero 732 Comment
  RSA770845  Selaginella bigelovii Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4943 Riverside San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm). 850 Comment
  SEINET3864016 Image available Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water.; 0 427 Comment
  UCR16847  Selaginella bigelovii P. A. Rauch 1966-2-12 s.n. Riverside SanJacinto Mtns., junction of N fork & S fork of San Jacinto River 659 Comment
  RSA543735  Senecio californicus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6070 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA472989  Senecio flaccidus var. douglasii I. W. Clokey 1935-8-21 6777 Riverside Keen Camp P.O. 1350 Comment
  RSA575920  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  RSA586726  Senecio flaccidus var. douglasii D. L. Banks, S. D. Boyd 1995-5-17 0448 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA94665  Senecio mohavensis F. W. Peirson 1927-4-12 7156 Riverside In Painted Canyon near Mecca. Comment
  UCR24163  Senecio vulgaris John C. Roos 1967-2-7 s.n. Riverside San Jacinto Valley, City of Hemet 518 Comment
  LA204898  Senegalia greggii Norman C. Cooper; 1944-5-20 2632 Riverside San Jacinto Mountains, Palms to Pines Highway 304 Comment
  RSA0117857  Senegalia greggii Sarah J. J. De Groot, Rachel Darney-Lane 2016-6-14 7905 Riverside Whitewater Canyon: along the Pacific Crest Trail ca. 0.7 air miles south of Red Dome, ca. 1.1 trail miles north-northwest of Whitewater Preserve. West of Whitewater River. 737 Comment
  SD229146  Senegalia greggii Dick Schwenkmeyer 2012-5-22 712 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SFV1759  Senegalia greggii F. L. McPherson 1959-5-9 s. n. Riverside 1 mile south of Palm Springs in the vicinity of Palm Springs Desert Museum. Comment
  SEINET1100340 Image available Senna armata W. C. Anderson 1965-5-9 Riverside 2 miles S of Cotonwood Guard Station, Joshua Tree National Monument Comment
  RSA0041956  Senna covesii Duncan S. Bell, Marcel Beffort 2014-4-22 6599 Riverside Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  UCR18997  Sesbania herbacea John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  CAS-BOT-BC438202  Sesuvium verrucosum P. A. Munz; I. M. Johnston 1918-4-27 2165 Riverside Lake Elsinore Comment
  CLARK-A1528-1387  Sesuvium verrucosum John C. Roos 1937-5-10 2332 Riverside Lake Elsinore Comment
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Jun 24 2014
  SD181741  Sesuvium verrucosum Scott D. White 2001-5-1 8440 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 441 Comment
  UCD92731  Setaria pumila Fred M. Reed 1904-7-31 57 Riverside Santa Ana River above Salt Lake Bridge. Comment
  SEINET239052 Image available Setaria verticillata T. B. Salvato, A. C. Sanders 2000-4-27 63 Riverside Coachella Valley; between Filmore and Buchanon on Avenue 56. Comment
  CAS-BOT-BC240203  Setaria viridis A. C. Sanders 2004-8-10 28761 Riverside Perris-Aguanga Region: 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) & S of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  RSA526087  Sidalcea malviflora subsp. sparsifolia Steve Boyd, T. S. Ross 1990-5-11 4660 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR122537  Sidalcea malviflora subsp. sparsifolia George K. Helmkamp, E. A. Helmkamp 2001-5-20 6664 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  SDSU14281  Sidalcea sparsifolia Ryan Jacobson, Jeremy Mass 2000-4-19 6 Riverside Santa Margarita Ecological Reserve. Near the banks of Stone Creek, approximately 0.5 mile east of the south-side facility. 177 Comment
  UCR193866  Silene antirrhina A. C. Sanders, Mitch Provance 2008-7-11 35807 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR22167  Silene antirrhina Steve Boyd 1980-4-27 134 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR25543  Silene gallica John C. Roos 1941-4-19 171 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  RSA180333  Silene gallica E. W. Lathrop 1964-5-10 5348 Riverside 10 miles west of Murrieta. 610 Comment
  RSA701677  Silene laciniata subsp. major Steve Boyd, Valerie Soza 2004-6-22 11555 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UC284255  Silene verecunda subsp. platyota P. A. Munz and D. Keck 1923-6-14 7074 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mts., 1524 Comment
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Apr 1 2013
  UC8489  Silene verecunda subsp. platyota H. M. Hall August 1901 2590 Riverside along creeks of Tamarack Valley San Jacinto Mountains, Tamarack Valley 2743 Comment
  RSA575854  Silybum marianum Steve Boyd 1980-4-23 s.n. Riverside Glen Avon, ruderal field at Jurupa Road and Galena Avenue Comment
  CAS-BOT-BC202950  Simmondsia chinensis James R. Shevock 1978-4-8 5776 Riverside Along California highway 195 just off Interstate 10 near Chiriaco Summit. Base of Orocopia Mountains, Colorado Desert 396 Comment
  POM14033  Sinapis arvensis P. A. Munz, D. Keck 1922-4-14 s.n. Riverside Near Moreno. 366 Comment
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Mar 20 2011
  UCD115546  Sisymbrium altissimum Robert J. Weatherby 1949-5-13 402 Riverside near Arlington. 152 Comment
  UCR47281  Sisymbrium altissimum D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  SBBG103703  Sisymbrium erysimoides A. C. Sanders 1986-10-28 6965 Riverside NE corner of Big Springs Rd and Watkins Drive, just E of UCR Campus Comment
  RSA502494  Solanum americanum Steve D. Boyd, L. Arnseth, T. S. Ross 1989-6-11 3735 Riverside Vail Lake area: edge of hills on N of Wilson Creek at E end of lake. 488 Comment
  SEINET7262442 Image available Solanum douglasii L. R. Dykes 1962-5-13 108 Riverside Santa Ana River, near Rubidoux Ave., Riverside Comment
  UCR91879  Solanum mauritianum A. C. Sanders 1995-11-30 17928 Riverside Riverside: Rustin Ave. north of Spruce, at edge of an abandoned orange orchard and a light industrial area 300 Comment
  POM298438  Solanum umbelliferum Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Hiway 74. 610 Comment
  RSA343088  Solanum umbelliferum Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60627 Riverside Santa Rosa Plateau: Burned over chaparral along Clinton Keith Rd., near base of plateau. 427 Comment
  RSA614108  Solanum umbelliferum A. C. Sanders 1997-3-1 19749 Riverside Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  RSA651290  Solanum umbelliferum Sandy Gray 1981-5-15 6 Riverside Hwy 60 - Beaumont. North Cherry Valley to Bogart Park. Comment
  RSA683855  Solanum umbelliferum Scott D. White, Michael Honer 2003-4-4 8961 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR154374  Solanum umbelliferum A. C. Sanders, Mike Misenhelter 2005-6-15 30968 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