Search Results — 2000 specimen records retrieved (1891 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
  RSA518562  Abies concolor F. C. Vasek 1976-7-4 760704 -5 Riverside San Jacinto Mountains, Pine Cove. 1829 Comment
  RSA461036  Abronia villosa R. H. Peebles, H. F. Loomis 1930-4-6 200 Riverside Mecca Comment
  UC101376  Abronia villosa D. Cleveland 1887-5-13 740 Riverside Tenecula Comment
Read comments
Mar 27 2011
  UC1136563  Abronia villosa H. S. Yates 1936-4-7 5543 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle Comment
  RSA788725  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3154 Riverside Southern section of the Mecca Hills, approximately 2.5 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 37 Comment
  RSA747723  Abronia villosa var. villosa Scott D. White, Justin M. Wood 2009-3-24 12575 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA748603  Abronia villosa var. villosa Scott D. White, Justin M. Wood 2009-4-28 12595 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA17761  Acacia farnesiana C. Epling, Wm. Robison 1935-2-6 s.n. Riverside Lower California- Cahualli Comment
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Sep 3 2010
  JEPS64732  Acacia greggii W. L. Jepson 1912-10-29 5246 a Riverside near Blach Point (Riverside Mountains, along the Colorado River, Blythe Intake, Needles to Yuma); Riverside Mountains, Colorado River, Blythe Intake 88 Comment
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May 15 2011
  SD186059  Acamptopappus sphaerocephalus Mitch Provance, J. S. Ross 1998-3-27 MOR 957 Riverside Morongo Indian Reservation, road to Lion Canyon, ca. 1.0 mile northeast of the town of Cabazon. 579 Comment
  POM188068  Achillea millefolium L. Crutcher 1933-7-6 19 Riverside Camp Tahquitz, San Jacinto Mts. Comment
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Sep 27 2009
  RSA6009  Achillea millefolium Carl B. Wolf 1932-8-4 3926 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  RSA494635  Achnatherum coronatum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  UC1146067  Achnatherum coronatum C. L. Hitchcock and C. V. Muhlick 1964-3-17 23100 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UCD50439  Achnatherum hymenoides F. M. Reed 1921-3-19 5671 Riverside California, Riverside County. Salt Creek Wash, Colorado Desert. east of Mecca. 213 Comment
  RSA0112108  Achyronychia cooperi Duncan S. Bell, Amanda Turek 2009-3-30 191 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA718876  Achyronychia cooperi Michael Honer, L. Hulse 2005-3-7 2029 Riverside Little San Bernardino Mountains region: Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  SEINET3071820  Achyronychia cooperi Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17501 Riverside West of Palen Pass quadrangle, zone 11 0663470mE 3753470mN NAD83, Palen Valley, along Palen Pass Road, 17km west of Palen Pass, 67km WNW of Blythe, 27km NNE of Desert Center 175 Comment
  UCR167389  Achyronychia cooperi 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
  SDSU14013  Acmispon argophyllus var. argophyllus Dinna Estrella, M. G. Simpson 2002-4-20 27 Riverside Santa Margarita Ecological Reserve. Road shoulder of Via Tornado Road, near junction with Santa Margarita river. 233 Comment
  SDSU14012  Acmispon glaber var. brevialatus Jonathan S. Austin, Michael G. Simpson 2002-4-20 14 Riverside Along northeastern part of Loop trail. Santa Margarita Ecological Reserve. 335 Comment
  RSA615331  Acourtia microcephala Scott D. White 1997-5-25 5246 -A Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  UCR26997  Acourtia microcephala E. W. Lathrop 1966-5-17 6547 Riverside Santa Ana Mtns., Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  CAS-BOT-BC22561  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  HSC47358  Adenostoma fasciculatum Richard Spjut, C. E. Edson 1978-4-24 4951 Riverside Along Hwy. 71 between jct. of Hwy. 74 and Anza in San Jacinto Mtns. 1372 Comment
  UCR251946  Adenostoma fasciculatum Harun Bektas 2011-4-26 16 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCR30527  Adenostoma fasciculatum John C. Roos 1952-5-26 5722 Riverside Haas' Ranch, Reche Canyon 457 Comment
  CAS-BOT-BC139870  Adenostoma sparsifolium Navin 1890-1-1 s.n. Riverside San Jacinto Mts. Comment
  POM13712  Adenostoma sparsifolium Philip A. Munz 1922-4-29 5122 Riverside Lancaster Valley, s. of Hemet 457 Comment
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May 20 2011
  SD84929  Adenostoma sparsifolium Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-20 430 Riverside North side of canyon ca. 350 yds above 1st turnout, east side of Santa Rosa Mt. Rd. south of Hwy 74, Palm Canyon drainage, Santa Rosa Mts. 1524 Comment
  RSA687674  Adiantum capillus-veneris L. C. Wheeler 1933-12-1 2295 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  UCR41242  Adiantum capillus-veneris N. M. Fellows, A. C. Sanders 1985-4-9 140 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  SD129152  Aegilops tauschii A. C. Sanders 1989-5-22 9491 Riverside Riverside, scarce annual weed in a dirt field east of Batchellor Hall on the University of California-Riverside campus. Comment
  SD186012  Agave americana A. C. Sanders 1984-7-17 5106 Riverside O. F. Clarke residence at 1012 Spruce St. 305 Comment
  UCR87652  Agrostis exarata Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  UC1922837  Agrostis idahoensis Naomi Fraga, et al. 2006-7-11 1714 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  UCD53368  Agrostis scabra Peter M. Ray Date Unknown 1936 Riverside Hall Canyon, San Jacinto Mtns. Comment
  UCR96424  Agrostis scabra Scott D. White 1996-8-1 4433 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR201703  Agrostis viridis Scott D. White, Justin M. Wood 2008-6-19 12277 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  OBI39187  Alhagi pseudalhagi Dell O. Clark 1969-7-2 s.n. Riverside 2 mi W of Mecca, Coachella Valley Comment
  UC1280904  Allenrolfea occidentalis H. E. McMinn 1937-3-6 5016 Riverside River Rd. ca. 20 mi. n. of Blythe Comment
  CAS-BOT-BC434480  Allionia incarnata Carl B. Wolf 1932-4-28 3073 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. West of Blythe on the Mecca Road. 121 Comment
  RSA339329  Allionia incarnata Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53570 Riverside Johsua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms, valley W of Pinto Mountains 1098 Comment
  RSA462622  Allionia incarnata Albert J. Perkins 1916-4-15 s.n. Riverside Palm Springs. Comment
  RSA462623  Allionia incarnata C. M. Dammers 1929-10-6 s.n. Riverside Cottonwood Springs. Comment
Read comments
Oct 9 2010
  RSA776248  Allionia incarnata Duncan S. Bell 2010-3-20 633 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR90327  Allionia incarnata Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  SBBG34201  Allium burlewii T. L. Secrest 1951-5-20 Riverside Pine Cove 1905 Comment
  SD127567  Allium fimbriatum var. munzii Steve Boyd 1986-4-22 1781 Riverside Grassy area on clayey soil over cobble, shallow north-facing draw, just west of third powerline tower, north of summit. 840 Comment
  CAS-BOT-BC131988  Allium haematochiton Steve Boyd 1986-3-9 1378 Riverside Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 487 Comment
  RSA367046  Allium haematochiton N. C. Cooper 1947-4-5 2041 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA700068  Allium haematochiton Scott D. White, Michael Honer 2003-4-2 8916 Riverside Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  RSA574725  Allium munzii Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  SBBG122759  Allium munzii A. Parikh 1990-4-23 153 Riverside E of Gavilan Pk, S of Harford Sprinkg Co Park, 0.1 km S of Ida Leona Rd, 0.9 km E of Gavilan Rd 625 Comment
  UCR79363  Allium munzii Steve Boyd 1992-4-18 6905 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  CAS-BOT-BC132019  Allium parishii Joy Keck 1935-4-19 3849 Riverside White Tank, S. of Twenty-nine Palms Comment
  SEINET7882508 Image available Allium peninsulare Jean Coulson 1959-1 s.n. Riverside Box Spring Mts. Riverside County, California. 200 yds. beyond the fork in the radio tower road, on the road which goes to the 'C'. E. of road 100 ft. up small, dry stream bed. Comment
  UCR193749  Allophyllum A. C. Sanders, Mitch Provance 2008-7-11 35752 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
  UCR274314  Allophyllum Jennifer H. Jones, Scott D. White 2005-5-25 s.n. Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  RSA410062  Allophyllum divaricatum M. B. Dunkle 1933-7-19 3675 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  RSA180489  Allophyllum glutinosum E. W. Lathrop 1960-6-10 4992 Riverside 14 miles west of Murrieta. Comment
  RSA759210  Allophyllum glutinosum Robt. Allen 2008-5-17 s.n. Riverside Bear Canyon Trail, trailhead near Ortega Hwy, across from San Juan Loop Trail 610 Comment
  UCR146440  Alopecurus aequalis R. F. Thorne, Et al. 1969-6-24 38145 Riverside San Jacinto Mtns, San Bernardino National Forest. Lake Fulmor 1677 Comment
  UCR199612  Amaranthus albus Scott D. White, Angelia Carey 2004-7-2 10567 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR207464  Amaranthus albus O. F. Clarke 2004-6-18 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR269224  Amaranthus powellii T. B. Salvato, Arlee Montalvo 2015-8-22 8238 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  UCR272195  Amaranthus torreyi Duncan S. Bell 2015-9-30 8649 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  UCD97595  Amaranthus watsonii K. Esau 1935-6-22 s.n. Riverside Riverside. Comment
  CAS-BOT-BC13616  Ambrosia acanthicarpa H. S. Gentry 1954-7-26 14252 Riverside Dripping Springs along route 79 Comment
  UCR77760  Ambrosia acanthicarpa Steve Boyd 1991-9-8 6427 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  RSA416964  Ambrosia dumosa Anstruther Davidson s.n. Riverside Colorado Desert. Comment
  UC724343  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-28 3297 Riverside near n end, on Hwy 111, Salton Sea Comment
Read comments
Jul 14 2012
  UCSC001456  Ambrosia dumosa Peter Kamb 1948-4-11 866 Riverside Aqueduct Road 5 mi. east of Garnet Aqueduct Road, Garnet - Coachella Valley 305 Comment
  CAS-BOT-BC30795  Ambrosia ilicifolia P. A. Munz; D. D. Keck 1922-4-9 4782 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457 Comment
  RSA737349  Ambrosia psilostachya Justin M. Wood 2008-9-19 136 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SEINET2052892 Image available Ambrosia salsola Bruce A. Beebe 1970-5-9 33 Riverside Cabazon area, 0.6 mile N. on S. Cal. Edison road no. V13 from turn-off with Apache Trail Road. 609 Comment
  UC480979  Ambrosia salsola F. M. Reed 1917-5-19 3833 Riverside and vicinity Riverside (desert near White Water Station); Colorado Desert Comment
  UCD128873  Ambrosia salsola C. L. Hitchcock 1966-3-16 24217 Riverside 4 miles south of Palm Desert, along Palms to Pines Highway. Comment
  UCD128886  Ambrosia salsola Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-15 271 Riverside near entrance gate, Andreas Canyon Club, South Palm Canyon Drive, Palm Springs. 167 Comment
  SD128756  Ambrosia salsola var. salsola Darley F. Howe 1980-4-15 Riverside 4 miles west of Mesa Verde, south slope of McCoy Mountains, Highway 10 Comment
  UCSB18239  Ambrosia salsola var. salsola Easley, Bill 1964-5-10 Riverside Roadside, State Highway 71, 4.9 miles N from Pinyon Flats Campground 944 Comment
  POM259131  Amorpha californica P. A. Munz 1938-8-14 15375 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  UCR91732  Amorpha californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18100 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  SDSU12992  Amorpha fruticosa Michael G. Simpson 1999-10-27 2023 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UC13288  Amorpha fruticosa H. M. Hall June, 1901 2121 Riverside San Jacinto Mts.; e base, along borders of Colorado Desert Comment
  UCR200689  Amorpha fruticosa Steve Boyd, Aydee Virgen 2004-4-13 10849 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR17127.2  Amorpha fruticosa var. occidentalis Eric Fisher 1979-5-19 s.n. Riverside Box Springs Mtns, Reche Canyon, 5.5 mi NW of Moreno 610 Comment
  POM127659  Amsinckia intermedia S. B. Parish 1919-3-27 19188 Riverside Whitewater, Colorado Desert 305 Comment
  SEINET244786  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24945 Riverside The Badlands; hills and canyons west of Laborde Canyon 1 mi NE of Eden Hot Springs, SW of Beaumont 610 Comment
  UCR100044  Amsinckia menziesii var. menziesii Scott D. White 1993-3-3 1092 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  SD244092  Amsinckia retrorsa A. C. Sanders, Timothy W. Chumley 2013-3-28 40708 Riverside Peninsular Range: Alberhill, along Lake Street, 1.45 km south of I-15 near old clay mines (Alberhill 7.5'Q) 395 Comment
  UCR155169  Amsinckia retrorsa A. C. Sanders 2005-5-4 29846 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  POM368407  Amsinckia tessellata Severance 1926-2-20 s.n. Riverside Andreas Canyon. Comment
Read comments
May 14 2013
  UCR72187  Amsinckia tessellata Theo Glenn 1992-3-31 92 9 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCR3413  Anagallis arvensis H. M. Whistler 1964-5-10 640510- 01 Riverside City of RIverside; UCR campus at 3401 Avocado, in lawn 335 Comment
  RSA336208  Anagallis minima Robert F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51984 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  SD144071  Anthemis cotula Scott D. White 1997-5-25 5242 B Riverside Perris Basin, Winchester area: roadside of Simpson Ave. less than 1 mile W of intersection with Winchester Rd. 445 Comment
  RSA543936  Anthriscus caucalis Steve Boyd 1991-5-10 6214 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  CLARK-A1528-839  Antirrhinum coulterianum Ruth Cooper 1968-4-21 Riverside Santa Ana Mountains Comment
  RSA507485  Antirrhinum coulterianum Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
Read comments
Aug 3 2010
  UCR202325  Antirrhinum coulterianum Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR120700  Antirrhinum cyathiferum A. C. Sanders 1978-4-23 DC 149 Riverside Western Colorado Desert, Boyd Deep Canyon Desert Research Center, south of Palm Desert, 0.25 mi SW of Boyd Center (research station) 305 Comment
  RSA425818  Antirrhinum filipes F. R. Fosberg 1932-3-13 8084 Riverside Thousand Palms Canyon, Coachella Valley. 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
  RSA585508  Antirrhinum kelloggii D. L. Banks, Steve D. Boyd 1995-5-9 369 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UCR174602  Antirrhinum kelloggii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32621 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  CLARK-A1528-5203  Antirrhinum nuttallianum John C. Roos 1941-4-19 176 Riverside Reche Canyon 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
  SEINET3158975  Antirrhinum nuttallianum subsp. nuttallianum D. M. Jackson, R. W. Spellenberg 1972-5-19 191 Riverside growing 9.5 mi S of Hemet Comment
  POM13120  Apiastrum angustifolium P. A. Munz, I. M. Johnston 1922-5-19 5335 Riverside 5 miles NE of Murietta. 457 Comment
  RSA699817  Apiastrum angustifolium Scott D. White, Michael Honer 2003-4-4 8946 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA711034  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak. 622 Comment
  RSA403092  Apocynum cannabinum L. E. Hoffman 1930-9-2 s.n. Riverside San Jacinto Mts. Riverside. Comment
  UC855413  Arabis glaucovalvula C. L. Hitchcock 1940-4-4 5941 Riverside between Cottonwood Springs and Pinto Basin Comment
  CLARK-A1045-133  Arabis perennans George K. Helmkamp 1977-5-20 Riverside Deep Canyon mouth of Deep Canyon; Palm Desert 15'Q Comment
  UC855512  Arabis pulchra L. Haines and L. Erickson 1937-4-10 Riverside near road to Shumay (Palms-to-Pines highway) Comment
Read comments
Dec 17 2011
  UCR162394  Arabis sparsiflora 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
  RSA629172  Arctostaphylos Jon E. Keeley 1992-7-17 16791 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629173  Arctostaphylos Jon E. Keeley 1992-7-17 16792 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629389  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19510 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629426  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16845 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629471  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16834 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UCR273505  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42602 Riverside Peninsular Range; Santa Ana Mountains, South Main Divide Road, near Elsinore Peak, 0.35 km by road south of road junction to Elsinore Peak towers 998 Comment
  RSA629440  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16570 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA631790  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15532 Riverside Road to Elsinore Peak 2.8 km south of Highway 74. 870 Comment
  SD28097  Arctostaphylos glauca Carl B. Wolf 1932-5-25 Riverside SW of Beaumont in Bad Lands, 0.5 mi. SW of summit of Moreno Grade 609 Comment
  RSA633548  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16714 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633551  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21796 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633619  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16682 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633662  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16656 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633663  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16657 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633717  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20135 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA783228  Arctostaphylos pringlei J. D. Olmsted 1962-5-2 3467 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  RSA635772  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16728 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635773  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16580 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA635786  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16529 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA636020  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19491 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
  UCR189791  Arctostaphylos rainbowensis Amy Rowland 2007-9-19 110 Riverside Peninsular Range; Santa Ana Mountains, San Mateo Canyon, by the Tenaja trailhead off Cleveland Forest Rd (west side, near restrooms). Found on on southwest side of trail 608 Comment
  CAS-BOT-BC401605  Argemone corymbosa subsp. corymbosa J. H. Thomas 1949-4-23 455 Riverside 9 miles north of Desert Center, near Boulder Well, on highway between Desert Center and Rice Comment
  CSUSB1035  Argemone munita Richard L. Irwin 1962-4-21 41 Riverside In river bottom ca 1/4 mile Sw. of the Mission Blvd. (U.S. Hwy. 60) bridge over the Santa Ana River. 243 Comment
  POM19799  Argemone munita subsp. munita Mary F. Spencer 1923-8-17 2181 Riverside Prope [near] Kenworthy, Hemet Valley; San Jacinto Mt. 1372 Comment
  RSA736796  Argemone munita subsp. munita Scott D. White, Angelia Carey 2004-7-2 10568 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA0040101  Argythamnia neomexicana Duncan S. Bell, LeRoy Gross 2014-3-13 6243 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  CAS-BOT-BC137647  Aristida adscensionis John Thomas Howell 1928-1-28 3288 Riverside Thousand Palms, Colorado Desert. Comment
  CAS-BOT-BC137651  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  JOTR31934  Aristida adscensionis La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2172 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  RSA575735  Aristida adscensionis S. J. Darbyshire, J. Cayouette 1994-9-17 4638 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  UCR260219  Aristida adscensionis A. C. Sanders, Jim Malusa 2015-3-10 41379 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  RSA0065567  Aristida adscensionis Tom Griggs 1968-5-9 s.n. Riverside Palms to Pines Hwy. Comment
  SEINET10836050  Aristida adscensionis Harvey M. Hall 1905-5-1 Hall 5963 Riverside Canons along Colorado River, Colorado Desert. Comment
  SEINET14176506  Aristida californica N. H. Holmgren, Patricia K. Holmgren, R. E. Kern 1973-3-22 6457 Riverside Rice Valley, 7 mi SSW of Rice 274 Comment
  UCR216682  Aristida purpurea Tasha La Doux, Jim Andre 2009-3-10 386 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  POM264638  Aristida purpurea var. fendleriana J. C. Roos 1938-8-7 583 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
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Apr 3 2011
  RSA777401  Aristida purpurea var. fendleriana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 834 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
  UCR120861  Aristida purpurea var. parishii J. Zabriskie 1976-12-21 963 Riverside Sonoran (Colorado) Desert/Peninsular Range, Deep Canyon Desert Research Area. Coyote Canyon, 1 mi east of research station 335 Comment
  UCR54264  Aristida purpurea var. parishii A. C. Sanders, E. J. Lawlor 1988-10-22 8727 Riverside Peninsular Range; Santa Rosa Mountains, Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine 1200 Comment
  RSA703454  Aristida purpurea var. wrightii R. E. Riefner Jr. 2004-6-26 04 -210 Riverside Back basin of Lake Elsinore, west off Pete Lehr Drive from Diamond Stadium along berm road. 381 Comment
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Feb 28 2016
  LA93406  Artemisia californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-12-25 548 Riverside San Jacinto Mountains, Andreas Canyon watershed, on trail to ridge above Eagle Peak, E slope of mountains 914 Comment
  RSA417289  Artemisia douglasiana Albert J. Perkins 1916-9-12 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  UCR203960  Artemisia douglasiana Michael Wall 2008-10-3 493 Riverside Perris-Aguanga Basin, Bautista Creek, east of Hemet off Bautista Canyon Road c. 7 mi east of the junction with Fairview Ave. 758 Comment
  RSA401651C  Asclepias californica Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR34991  Asclepias californica L. B. Ziegler 1967-6-27 184 Riverside San Jacinto Mtns, Hemet Valley 1585 Comment
  UCSB11461  Asclepias subulata Dearing, Hugh; Dearing, Margaret 1940-11-10 Riverside 1000 Palm Canyon, Colorado Desert Comment
  RSA698472  Aspidotis californica Jeanne Paxton 1934-4-16 s.n. Riverside Hagador Canyon Comment
  RSA690948  Aster ascendens Scott D. White 2003-10-9 9820 -B Riverside Pine Cove area. Dutch Flat. 1753 Comment
  CLARK-A1528-1613  Aster menziesii John C. Roos 1951-10-19 Riverside San Timoteo Canyon dry, semi-alkaline road side; with Artemisia douglasiana and Distichlis stricta; ; El Casco 7.5'Q 609 Comment
  RSA574561  Aster subulatus var. ligulatus Steve Boyd 1985-8-7 1121 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
  SD211450  Astragalus aridus Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1214 Riverside 30 miles west of Blythe near Palen Dry Lake. From I-10 exit Corn Springs Road north for about 8 miles until you reach Palen Dry Lake. This population is on the south, southwest side of the dry lake. Comment
  CLARK-A1703-1198  Astragalus coccineus Robin L. Kobaly 1977-3-31 Riverside Santa Rosa Mountains Comment
  POM122253  Astragalus crotalariae Marcus E. Jones 1926-4-3 s.n. Riverside Indian Spring [Wells] Comment
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Sep 16 2011
  UC862884  Astragalus crotalariae P. A. Munz, D. Keck 1922-4-8 4743 Riverside 1/2 mi e Indio (Colorado Desert); , e of Indio -15 Comment
  UC517559  Astragalus didymocarpus var. dispermus John Thomas Howell 1928-3-11 3440 Riverside 6 mi se Garnet Station (Colorado Desert); , se of Garnet Station 152 Comment
  UC56442  Astragalus didymocarpus var. dispermus H. M. Hall May 1901 Riverside Coahuilla Comment
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Sep 17 2011
  UC68629  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5940 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  PASA2724  Astragalus douglasii var. parishii Frank W. Peirson 1922-4-29 2955 Riverside Aguanga 609 Comment
  RSA740944  Astragalus filipes Scott D. White, Justin M. Wood 2008-6-17 12183 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA525226  Astragalus gambelianus Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4604 -A Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  HSC14519  Astragalus insularis C. L. Hitchcock 1966-3-21 24331 Riverside About 15 mi. S of Rice, on dirt road to Blythe. Comment
  CAS-BOT-BC186900  Astragalus insularis var. harwoodii Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6454 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  CAS-BOT-BC186906  Astragalus insularis var. harwoodii J. C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center Comment
  RSA781247  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37394 Riverside pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg ) of Blythe 134 Comment
  RSA715087  Astragalus lentiginosus var. coachellae Sarah J. De Groot, J. Mark Porter 2006-3-14 5197 Riverside North foot of San Jacinto Mts., between Snow Creek Road and Highway 111; several miles downstream from gaging station. 366 Comment
  SD143258  Astragalus lentiginosus var. coachellae James C. Dice, Kimberly A. Nicol 1998-3-24 98032 3 Riverside Northwestern Colorado Desert, 7.1 miles north of Desert Center, along State Highway 177. 163 Comment
  SEINET7844100  Astragalus lentiginosus var. coachellae Duncan S. Bell, Amber Swanson Riverside Comment
  CAS-BOT-BC187486  Astragalus leucolobus Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  UC667327  Astragalus nuttallianus var. cedrosensis Annie M. Alexander and Louise Kellogg 1941-5-6 2126 Riverside 13 mi sw 29 Palms (Joshua Tree National Monument); Joshua Tree National Monument 1371 Comment
  POM13929  Astragalus nuttallianus var. imperfectus P. A. Munz, D. D. Keck 1922-4-9 4846 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  RSA0064476  Astragalus pachypus John F. Emmel 1995-7-16 1382 Riverside San Jacinto Mts.; Rouse Ridge road, 3.8 to 4.3 road miles SSE of Cranston Ranger Sation. 853 Comment
  JEPS54835  Astragalus palmeri W. L. Jepson 1901-5-22 1345 Riverside Palm Canyon and return to Van Deventer's Ranch 914 Comment
  JOTR29554  Astragalus palmeri Andre, Jim, Tasha LaDoux 2006-4-11 6741 Riverside Joshua Tree National Park. Lost Horse Employee Campground 1285 Comment
  JEPS48920  Astragalus pomonensis W. L. Jepson 1939-4-17 19161 Riverside 1 mi s of bridge over Temescal Creek (Temescal Valley, on old road to Oak Grove); Temescal Valley, s of Temescal Creek 304 Comment
  RSA587543  Astragalus pomonensis D. L. Banks, S. D. Boyd 1995-6-2 0579 Riverside NW Palomar Mountains; Agua Tibia Mountains; NE of the Dorland Mountain area, N of the Agua Tibia Wilderness Area, E of Kolb Creek; Approximately 100 m E of the junction between the Woodchuck Road and Highway 79. 512 Comment
  CAS-BOT-BC193171  Astragalus sabulonum Lewis S. Rose 1937-4-10 37154 Riverside 3 mi. SE. of Indio 15 Comment
  CAS-BOT-BC66047  Athyrium filix-femina var. cyclosorum Geo. B. Grant 1901-8-1 67 Riverside San Jacinto Mts. 1828 Comment
  UCR116070  Athysanus pusillus O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  UCR234287  Athysanus pusillus A. C. Sanders, John F. Green 2012-3-26 40001 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  UC1287097  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside 5 miles north of Milpitas Wash (and 12 miles NW of Blythe-Glamis Road) Comment
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Mar 2 2013
  UCR261562  Atriplex T. B. Salvato, Matt Malle, Thomas M. Sullivan Jr 2014-5-30 8055 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  UCSB39114  Atriplex J. Jorgensen 1982-3-23 298 Riverside DESERT BEACH ALONG HWY 111 SALTON SEA -70 Comment
  UCR101545  Atriplex argentea C. S. Jones, Jennifer Hodge 1998-3-22 s.n. Riverside Lake Elsinore, back basin, c. 700 ft. west of the San Jacinto River and c. 250 ft. south of the Lake Elsinore channel. 400 Comment
  POM278666  Atriplex canescens Grant D. Brown 1949-12-14 469 Riverside 1.5 miles W of White Water Comment
  POM278695  Atriplex canescens Grant D. Brown 1950-3-29 525 Riverside At San Jacinto River Bridge 3 miles N of San Jacinto Comment
  RSA451005  Atriplex canescens Stephen M. Beckstrom-Sternberg 1985-9-13 1038 Riverside Living Desert Reserve, Palm Desert Comment
  POM278955  Atriplex canescens var. linearis Grant D. Brown 1951-3-28 615 Riverside Date Palm Beach Comment
  UCR62385  Atriplex coronata var. notatior Don Mitchell 1990-6-1 s.n. Riverside 1.5 mi west of Lakeview, on south side of Ramona Expressway, c. 200 yards west of the San Jacinto River Comment
  UCR66973  Atriplex coronata var. notatior D. E. Bramlet 1990-6-14 2038 Riverside San Jacinto Valley, c. 6.5 km SW of Hemet, c. 400 m north of the Santa Fe RR tracks and adjacent to (E of ) MWD canal, c. 900 m west of Warren Ave 457 Comment
  SEINET269089  Atriplex elegans George Helmkamp 1995-3-16 Riverside W of Rice Rd. 10.3 miles NE of Desert Center. 200 Comment
  SD240966  Atriplex elegans var. elegans A. C. Sanders, John F. Green 2012-6-25 40307 Riverside Peninsular Range: Santa Ana Mountains Region: Temescal Canyon near I-15 crossing of Temescal Canyon Road and Temescal Creek, c. 2.6 km SW of Lee (Corona) Lake (Alberhill 7.5'Q) 360 Comment
  POM265628  Atriplex parishii J. C. Roos 1937-8-17 1214 Riverside San Jancito Valley, 5 miles west of Hemet, Comment
  SD87784  Atriplex polycarpa Frank W. Peirson 1927-11-25 7678 Riverside 1000-Palm Canyon. 120 Comment
  SEINET4135546  Atriplex polycarpa Lewis S. Rose 1961-11-24 61068 Riverside La Quinta.; 0 15 Comment
  POM319681  Atriplex rosea Patricia Wilder 1970-10-15 4750 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
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Sep 26 2009
  UCR167833  Atriplex serenana T. B. Salvato, Melissa Clemons 2005-6-23 1305 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR261155  Atriplex serenana var. serenana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41721 Riverside Esinore, large vacant lot south of the intersection of 3rd St. and Pasadena St. 387 Comment
  UCR144155  Atriplex suberecta Tricia Campbell 2003-12-2 s.n. Riverside Perris Basin, City of San Jacinto, corner of Ramona Blvd. and Sanderson Avenue 442 Comment
  UCR115938  Baccharis glutinosa Mitch Provance, S. D. Boyd 1999-9-14 1784 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
  CHSC8378  Baccharis salicifolia Edward L. Smith 1957-4-3 257 Riverside Located at entrance to White Water Canyon. San Bernardino Mts. Comment
  RSA612776  Baccharis salicifolia Darin L. Banks, Victor Steinmann 1997-3-13 1426 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR34877  Baccharis salicifolia L. B. Ziegler 1967-9-18 248 Riverside San Jacinto Mtns, Bautista Canyon 673 Comment
  SDSU13343  Baccharis salicifolia subsp. salicifolia Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 32 Riverside Santa Margarita Ecological Reserve(SDSU). Near the center of the canyon, west of the pipe line crossing. 239 Comment
  UC30368  Baccharis salicifolia subsp. salicifolia E. L. Koethern 1897-10-20 Riverside west Riverside Comment
  POM173314  Baccharis sarothroides E. C. Jaeger 1929-02 s.n. Riverside Chuckwalla Mts Comment
  RSA89881  Baccharis sarothroides J. C. Roos 1950-10-28 5021 Riverside Box Springs. 473 Comment
  UCR260060  Baccharis sarothroides Jim Malusa, A. C. Sanders 2015-3-10 s.n. Riverside Sonoran (Colorado) Desert, Chocolate Mountains, north end of the range c. 2 miles SE of Tabaseca Tank, c. 1.5 miles west of Gasline Rd., US Navy Chocolate Mountains Aerial Gunnery Range 671 Comment
  IRVC508  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 Comment
  POM248434  Baccharis sergiloides Philip Crow 1939-7-2 s.n. Riverside Blythe Comment
  POM350455  Baccharis sergiloides H. de Forest 1933-4-16 17592 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
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Mar 28 2011
  SEINET2045192 Image available Baccharis sergiloides K. Kirtland 1986-5-13 Riverside Homewood Canyon, Argus Range: T23S, R42E,S1/2, S35 1128 Comment
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Aug 28 2016
  UC893715  Baccharis sergiloides Carl B. Wolf 1932-10-11 4270 Riverside Morongo Wash Colorado Desert, Little San Bernardino Mountains 670 Comment
  RSA719073  Baileya pauciradiata Michael Honer 2005-3-18 2093 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  UC1979854  Baileya pauciradiata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-5 963 Riverside Mojave Desert; East Mojave Desert region: Blythe-Rice Road, East / Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. Comment
  UCR90166  Baileya pauciradiata R. W. Scora 1966-4-1 3012 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  RSA719072  Baileya pleniradiata Michael Honer 2005-3-18 2094 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  SBBG65714  Baileya pleniradiata S. W. Hutchinson, M. N. Ackley -Feb-1927 266 Riverside Shaver's Well 365 Comment
  POM122202  Bebbia juncea Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  UCR21160  Bebbia juncea 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
  UCR21794  Bebbia juncea Steve Boyd, L. LaPre 1980-9-9 s.n. Riverside Santa Rosa Mtns, Magnesia Spring Canyon 244 Comment
  UC472679  Bebbia juncea var. aspera M. F. Spencer 1921-4-10 Riverside Colorado Desert, Palm Springs Comment
  RSA262098  Berberis dictyota E. W. Lathrop 1970-2-22 7126 Riverside Bedford Truck Trail of the Cleveland Nat l Forest, Trabuco Dist. 915 Comment
  UCR132771  Berberis dictyota S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon, 0.25 mi. north of Tripp Flats Rd. 1183 Comment
  JEPS5610  Bergia texana Samuel B. Parish Nov 1891 Riverside Near Elsinore Comment
  CAS-BOT-BC207050  Bernardia incana Annie M. Alexander; Louise Kellogg 1941-5-10 2144 Riverside Small canyon 3 miles northeast of Cottonwood Spring, Eagle Mountains 1036 Comment
  JEPS52450  Bernardia myricifolia W. L. Jepson 1928-4-25 12591 Riverside Cottonwood Spring Colorado Desert, Cottonwood Mts., Cottonwood Spring 731 Comment
  RSA724079  Beta vulgaris R. E. Riefner 1998-4-22 98 -266 Riverside City of Wildomar, near Lake Elsinore, N 0.25 mi from Union St. and Corydon Rd. 367 Comment
  CAS-BOT-BC102100  Bidens laevis S. B. Parish 1913-2-28 8462 Riverside Salton Basin. In the stream from the rairoad wells at Mecca -57 Comment
  POM4976  Bidens laevis Geo. R. Hall 1905-1 s.n. Riverside Riverside Comment
  CSUSB927  Bloomeria crocea Eugene Cardiff, Ken Smith 1954-5-5 Riverside University of California, Riverside (UCR) campus. Comment
  RSA525240  Bloomeria crocea Steve Boyd, Timothy S. Ross 1990-5-11 4617 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79 549 Comment
  UCSB2223  Boechera arcuata Keator, Glenn 1959-5-17 Riverside Near Hemet lake; on Pines to Palms highway Comment
  UCR37436  Boerhavia coccinea Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  CLARK-A1528-3269  Boerhavia torreyana John C. Roos 1946-11-29 3178 Riverside Hayfield 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
  JOTR38520  Boerhavia wrightii Harding, Mitzi, Kipp Callahan 2012-8-27 289 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA0106750  Boerhavia wrightii Duncan S. Bell 2011-9-30 2937 B Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  CAS-BOT-BC31022  Bolboschoenus maritimus P. A. Munz 1918-4-27 2129 Riverside Bet Murietta & Temecula. Comment
  UCR130148  Bolboschoenus maritimus subsp. paludosus Joseph A. Ewan, Carl Epling 1933-5-12 7609 Riverside South shore of Lake Elsinore 378 Comment
  SDSU17738  Bothriochloa barbinodis D. C. Estrella, M. G. Simpson 2002-4-20 30 Riverside Santa Margarita Ecological Preserve. 229 Comment
  RSA751507  Bouteloua aristidoides var. aristidoides Jim Andre, Tasha La Doux 2008-9-13 10274 Riverside Eagle Mts.: At Joshua Tree National Park boundary, lower slopes of S end of Eagle Mtns., along aqueduct access road. 355 Comment
  SEINET8071634 Image available Bouteloua aristidoides var. aristidoides Deidre Conocchioli, Sarah J. De Groot 2013-9-18 50 Riverside Colorado Desert Chocolate Mountains: Valley N of Chocolate Mts. From Desert Center take I-10 W for 9.2 mi. Exit Red Cloud Rd under I-10 onto unpaved powerline road for 0.2 mi. Road parallels old raised railroad for short distance. 442 Comment
  UCR198196  Bouteloua aristidoides var. aristidoides Michael Honer, L. Hulse 2004-4-3 1917 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCD56848  Bouteloua barbata H. M. Reed 1934-9-26 8959 Riverside San Jacinto Mts. At Herkey Creek Camp Ground. 1341 Comment
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Dec 7 2014
  UCR233941  Bouteloua barbata Duncan S. Bell 2011-10-22 2991 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCR189571  Boykinia rotundifolia Theresa Johnson 2006-7-18 234 Riverside Santa Ana Mountains, on border of Riverside/ Orange County off the lower Holy Jim Trail 1232 Comment
  CLARK-A1528-5382  Brandegea bigelovii John C. Roos 1965-12-4 Riverside Comment
  NY43293  Brandegea bigelovii C. R. Annable 1995-3-15 2284 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  UCR103555  Brandegea bigelovii George K. Helmkamp, E. A. Helmkamp 1998-1-17 2530 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCR198165  Brandegea bigelovii Michael Honer, L. Hulse 2004-4-3 1907 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  CAS-BOT-BC36845  Brassica tournefortii Ira L. Wiggins 1941-3-24 9569 Riverside 0.3 mile south of Myonia, 4.6 miles north of Indio. Comment
  SD216466  Brassica tournefortii Carol R. Annable 1995-3-9 2257 Riverside Circa 13 kilometers North of Rancho Mirage. BLM land behind A-1 Cement. Comment
  UCD114635  Brassica tournefortii A. C. Sanders 1988-1-30 s.n. Riverside Eastern foothills of the Santa Ana Mountains, ca. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80-acre property to the NW; N of Cherry St., W of Adams Ave., S of Meadowlark Ridge Lane and Elm St. Beside Warm Springs Creek, SW of Adams St. 327 Comment
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Mar 28 2014
  UCR272313  Brassica tournefortii Duncan S. Bell 2010-2-21 552 Riverside Eastern Mojave Desert, Palen/McCoy Wilderness area, large drainage on western section of range 452 Comment
  RSA0127781  Brassica tournefortii G. Rink 2013-3-17 11865 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  UCR23692  Brickellia desertorum John C. Roos 1946-9-14 3023 Riverside Santa Rosa Mountains, Pines-to-Palms Highway. 1100 Comment
  UCR41321  Brickellia desertorum N. M. Fellows 1984-11-12 36 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
  SEINET10760947  Brickellia desertorum David B. Dunn 1947-7-20 Dunn 3521 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  JOTR01241  Brickellia incana Cole, James E. 1941-6-14 885 Riverside Joshua Tree National Park. QUAIL WASH 1066 Comment
  UCR60372  Brodiaea jolonensis R. Balsamo 1989-5-7 s.n. Riverside Santa Ana Mtns/Santa Rosa Plateau, The Nature Conservancy's Santa Rosa Plateau Preserve, 4.1 mi west of Hwy I-15 on Clinton Keith Rd., directly across the road from vernal pools 762 Comment
  RSA120969  Bromus arizonicus J. T. Howell 1956-3-20 31119 Riverside Riverside. Comment
  CLARK-A1528-4533  Bromus carinatus John C. Roos 1953-4-15 5912 Riverside Riverside 259 Comment
  RSA179505  Bromus carinatus E. W. Lathrop 1964-5-24 5393 Riverside 8 miles west of Murrieta Comment
  SEINET3922005  Bromus carinatus A. C. Sanders 2003-4-6 25945 Riverside San Vernardino/Santa Ana River Valley Region: Riverside.; 0 341 Comment
  UCR9396  Bromus carinatus D. H. Wilken 1965-6-29 361 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  RSA595259  Bromus hordeaceus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 962 -B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, At the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  RSA612783  Bromus rubens D. L. Banks, Victor Steinmann 1997-3-13 1419 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA495406  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2893 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  SEINET4404474  Bromus rubens N. D. Atwood 1993-3-27 17691 Riverside Corona Del Mar State Park, along Newport Coast Drive 0 Comment
  CAS-BOT-BC185643  Bromus tectorum Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain. Comment
  UCR115995  Bromus tectorum A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23317 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  JOTR30670  Bromus trinii Andre, Jim, Tasha La Doux 2008-3-21 8832 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  UCR85320  Bromus trinii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16168 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  HSC66543  Caesalpinia virgata Christopher Davidson 1979-4-4 7691 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  RSA498294  Caesalpinia virgata Robert M. Perkins, H. de Forest 1937-3-15 399 Riverside 20 miles East of Indio. Comment
  RSA676052  Caesalpinia virgata Scott D. White 2001-4-3 8260 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SEINET938598  Caesalpinia virgata T. S. Elias 1985-1 10151 Riverside Mecca Mountains just NE of Mecca; Painted Canyon Comment
  RSA556510  Calandrinia ciliata Julie Greene 1993-4-10 1169 Riverside East of Horse Ranch fence. San Jacinto Wildlife Area. 436 Comment
  UCR215524  Calandrinia ciliata Daphne K. Christopher, Hannah Stevens 2003-4-6 107 Riverside UC Riverside Motte Rimrock Reserve, off Sage Road 540 Comment
  RSA357753  Callitriche marginata R. F. Thorne 1973-5-23 43842 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  RSA762187  Calocedrus decurrens Peter Guiden, C. Martinez, N. Fraga, L. McDade 2010-8-14 68 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET10531073  Calocedrus decurrens James S. Miller 1992-5-8 Miller 7469 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  POM158454  Calochortus concolor Philip A. Munz 1927-5-21 10875 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  UCR139247  Calochortus palmeri var. munzii A. C. Sanders, Kate Kramer 2003-6-11 26879 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, near Morris Ranch Rd. c. 0.25 mi. NW of Kenworthy Ranger Station 1377 Comment
  UCR217529  Calochortus plummerae Diane Menuz 2008-6-20 474 Riverside San Bernardino Mtns. foothills, Bogart County Park, c. 350 m SW of fishing pond 987 Comment
  RSA501004  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3122 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA692245  Calochortus splendens Scott D. White, Michael Honer 2003-5-27 9405 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UCR174061  Calochortus splendens A. C. Sanders 2006-5-19 32458 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
  UCR90586  Calochortus weedii var. weedii Scott D. White 1995-6-30 3420 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR41629  Calycoseris wrightii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6095 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR74397  Calycoseris wrightii Theo Glenn 1991-5-1 91- 51 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  UCR133403  Calyptridium monandrum Tracy Tennant, J. S. Ross 1998-5-7 MOR- 93 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR220119  Calyptridium monandrum D. E. Bramlet 1989-4-7 1819 A Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  UC82815  Calyptridium monospermum A. W. Anthony 1895-7-3 Riverside San Jacinto Mountains 2743 Comment
  UCR111577  Calystegia macrostegia Mitch Provance 1999-4-3 1757 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  UCR172788  Calystegia macrostegia Wayne Law, Jun Hu 2000-5-16 12 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
  RSA586723  Calystegia macrostegia subsp. arida 1995-5-17 0445 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
  LA50072  Calystegia macrostegia subsp. cyclostegia W. Pequegnat; 1938-4-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  RSA793029  Camissonia Justin M. Wood 2011-4-4 3393 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  POM13869A  Camissonia bistorta P. A. Munz 1922-4-29 5101 Riverside Dripping Springs, near Temecula Creek 518 Comment
  UCR4125  Camissonia bistorta Ronald M. Cope 1965-5-2 s.n. Riverside Box Springs Mtns., W side of Pigeon Pass, 7 mi. north of freeway (State Hwy 60), on Box Springs Mountain 610 Comment
  RSA510056  Camissonia boothii B. Pitzer 1988-3-10 652 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  HSC49197  Camissonia boothii subsp. condensata D. L. Goforth 1979-4-11 113 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  RSA278965  Camissonia boothii subsp. condensata Barry A. Prigge 1978-3-23 2412 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  CLARK-A1528-3320  Camissonia boothii subsp. decorticans John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UCR226584  Camissonia californica Jim Andre 2011-2-18 15816 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR214868  Camissonia claviformis A. C. Sanders 2010-3-15 37398 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR251664  Camissonia claviformis subsp. aurantiaca Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-24 846 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent to Corn Spring Road, draining from Corn & Aztec Springs, 396 Comment
  UCR118648  Camissonia confusa B. G. Pitzer, O. Clarke, S. Reed, G. Ruiz, et al 1998-3-7 3590 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR52588  Camissonia hirtella Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243, 1-2 mi below Mt. Edna turnoff Comment
  SEINET12189028  Camissonia pallida E. A. Purer 1935-1 6484 Riverside near Palm Springs Comment
  RSA458837  Camissonia pallida subsp. pallida N. R. Zabriskie 1973-4-5 621 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  RSA49355  Camissonia refracta P. A. Munz 1949-4-11 13011 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 915 Comment
  RSA758320  Camissonia refracta Doug Goldman 2005-3-3 3023 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  POM20022  Camissonia strigulosa Mary F. Spencer 1923-06 2201 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA740955  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-18 12226 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  SBBG92277  Camissonia strigulosa J. Hirshberg 1989-4-4 Riverside S of town of Murrieta, W of Mesa de Burro near head of Cole Cyn; Santa Rosa Plateau, 487 Comment
  SD137706  Camissonia strigulosa Darin L. Banks, Steve Boyd 1995-5-3 196 Riverside North slope of Agua Tibia Mountains, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR178847  Camissonia strigulosa Jeffrey Ross, T. B. Salvato 1998-5-14 MOR- 141 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
  UCR58472  Camissonia strigulosa Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, west of Mesa de Burro near head of Cole Canyon. 488 Comment
  SBBG93053  Camissoniopsis bistorta G. Ballmer 1990-5-5 Riverside SE boundary of San Jacinto Potrero land grant, just N of the Colorado River aqueduct, where rd crosses creek at the mouth of unnamed cyn to the E Comment
  UC1595616  Camissoniopsis intermedia Steve Boyd 1991-5-20 6273 Riverside nw Lake Elsinore (just inside Nat. For. boundary); Santa Ana Mountains, Cleveland Nat. For., Lower Rice Cyn 573 Comment
  UC708741  Camissoniopsis pallida subsp. pallida H. K. Wagnon 1944-4-2 378 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  RSA495456  Capsella bursa-pastoris Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2984 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR158334  Capsella bursa-pastoris A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30059 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
  UCR93026  Capsella bursa-pastoris G. P. Schultz 1994-4-7 84 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  SEINET7484334 Image available Carex bolanderi P. Zika, N. Otting, K. Kramer 2010-1 25300 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground 1785 Comment
  SEINET10945977  Carex multicaulis V. Soza, Naomi S. Fraga; S. Swartzentruber 2003-6-25 Soza 1699 Riverside Peninsular Ranges; San Jacinto Mountains region: Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  RSA192172  Carex praegracilis E. W. Lathrop 1960-6-9 4959 Riverside 14 miles west of Murrieta. Comment
  RSA364682  Carex praegracilis H. de Forest s.n. Riverside E of Coachella Valley. Chino Canyon. Colorado Desert Comment
  RSA596600  Carex praegracilis L. C. Wheeler 1945-10-6 6145 Riverside San Jacinto Mountains. Head of west fork of Snow Creek. 2468 Comment
  RSA741221  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-5 12088 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UC213315  Carex praegracilis I. M. Johnston 1918-4-27 1860 Riverside Murrieta 304 Comment
  UCR35297  Carex senta L. B. Ziegler 1970-5-20 406 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  CLARK-A1528-462  Cassia armata Charlotte Stocks 1963-6-15 Riverside Coachella Valley Comment
  JEPS46518  Castela emoryi James Rennie 1916-6-15 Riverside in hayfield in Chuckwalla Mts.; in hayfield in Chuckwalla Mts. Comment
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May 6 2009
  POM8059  Castela emoryi Childs 1920-5-15 s.n. Riverside Hayfields'' at Northern end of Colorado Desert. Comment
  RSA524444  Castilleja affinis Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4080 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
  SD148071  Castilleja affinis Andy C. Sanders, M. Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23899 Riverside Perris-Aguanga Basin Region: Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 395 Comment
  SBBG26800  Castilleja affinis subsp. affinis C. B. Clokey, I. W. Clokey, B. Templeton 1930-4-15 4729 Riverside Perris to Gavilan Pk 600 Comment
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Nov 8 2011
  POM11505  Castilleja applegatei subsp. martinii Philip A. Munz 1922-7-7 6036 Riverside Above Tamarrack Valley. 2927 Comment
  RSA730550  Castilleja applegatei subsp. martinii John F. Emmel 1983-6-6 860 Riverside SE end San Jacinto Mts.; switchbacks of trail from Tripp Meadow to Cedar Spring, 0.7 air mile NNW of Pyramid Peak. 1860 Comment
  UC886538  Castilleja exserta I. W. Clokey and B. C. Templeton 1930-4-9 4712 Riverside Moreno Grade 700 Comment
  UCR158255  Castilleja exserta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30108 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
  RSA526171  Castilleja foliolosa Steve Boyd, Tim S. Ross 1990-5-11 4674 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
  RSA752548  Castilleja foliolosa Justin M. Wood 2009-3-10 349 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  SBBG54975  Castilleja foliolosa D. Keil, M. McLeod 1977-3-26 12006 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  UCR2880  Castilleja martinii N. J. Matthews 1963-5-5 50563- 08 Riverside San Jacinto Mtns, 2 mi east of Mountain Center [near Keen Camp Summit], Hwy 74 1494 Comment
  UCR44228  Castilleja martinii A. C. Sanders 1986-6-1 6567 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA0010952  Castilleja miniata subsp. miniata Mary F. Spencer 1923-7-8 2234 Riverside Saunders Meadows. pr. Idyllwild, San Jacinto Mt. 1829 Comment
  UCR164574  Castilleja minor subsp. spiralis S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  SEINET3365543  Casuarina equisetifolia G. Rink 2011-10-11 11080 Riverside Next to agricultural fields east of the McCoy Mountains, northwest of Blythe, used as a windbreak for lemon grove 160 Comment
  UCR91479  Caucalis microcarpa Scott D. White, Marty Jacobsmeyer 1996-4-20 3950 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  HSC83100  Caulanthus cooperi A. C. Sanders, Pitzer, Charlton, Kniffen, Stewart 1986-3-2 6052 Riverside Chuckwalla Bench, S side of Chuckwalla Mtns., on Bradshaw Rd., 2 mi. E of gasline road 642 Comment
  RSA531097  Caulanthus cooperi M. B. Dunkle 1937-3-25 4902 Riverside Colorado Desert. Shaver s Well Comment
  OBI29878  Caulanthus hallii Melissa Luckow, Rhonda Riggins 1982-4-15 823 Riverside Pinyon Pass Rd, 0.1m I NW of hwy 74 1006 Comment
  RSA429530  Caulanthus heterophyllus Ora M. Clark 1929-3-16 1725 Riverside N. of Whitewater Comment
  UC1929315  Caulanthus heterophyllus Scott D. White, Justin Wood 2008-4-16 11889 Riverside Perris/Elsinore Basin; Hills to the W of I-215 and S of Scott Rd. Comment
  UCR250880  Caulanthus heterophyllus S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1045 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR29602  Caulanthus heterophyllus Don Emery 1983-3-11 s.n. Riverside Peninsular Range, Aguanga, 1 mi north of Hwy. 79 at a point 1 mi west of its jct with Hwy 371. Comment
  RSA605763  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Lakeview Mts, N of Winchester, at 'Maze Stone' Picnic Area. SE-facing slope. 610 Comment
  RSA620362  Ceanothus crassifolius A. C. Sanders 1997-3-1 19728 Riverside Box Springs Mountains: Pigeon Pass, canyon below Regulus Road, 0.6 mi. W of Pigeon Pass Rd., 0.4 mi. E of Bench Mark 'Table' 610 Comment
  SEINET10493624  Ceanothus crassifolius James S. Miller 1992-5-8 Miller 7455 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  SEINET10824794  Ceanothus crassifolius Nye Leith, Greg Gust 2005-3-11 Nye 67 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UCR68479  Ceanothus crassifolius Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3019 Riverside Peninsular Range, Vail Lake area, 1 mi west of Vail Lake 640 Comment
  RSA535081  Ceanothus cuneatus Steve Boyd 1991-9-8 6437 Riverside Aguanga area, rocky hill just NE of jtn Hwy 79 and hwy 371 on dirt road called Aguanga Ranch Rd which exits Hwy 79 just E of jtn. Comment
  CAS-BOT-BC51276  Ceanothus leucodermis Lyman Benson 1932-3-26 3186 Riverside Summit Temecula Grade 609 Comment
  LA44860  Ceanothus leucodermis W. E. Pequegnat; 1939-4-8 46 Riverside Santa Ana Mountains Comment
  SBBG4361  Ceanothus leucodermis M. Van Rensselaer 1937-7-21 Riverside below Idyllwild Comment
  UCR92191  Ceanothus leucodermis D. L. Banks, Steve Boyd 1995-3-16 0098 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  RSA606754  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27409 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA769824  Ceanothus palmeri E. W. Lathrop 1969-5-9 7033 Riverside Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1220 Comment
  RSA0022333  Ceanothus perplexans P. A. Munz, I. M. Johnston 1922-5-19 5448 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  SEINET13946039 Image available Ceanothus perplexans Carl B. Wolf 1932-1 3655 Riverside No. Base of San Jacinto Mts. Snow Creek Canyon. 1 mi above Fish Hatchery. 792 Comment
  CAS-BOT-BC277182  Centaurea X pouzinii R. M. Howie No date on label s.n. Riverside Fuller Rancho, Corona Comment
  POM9798  Centaurium exaltatum H. D. Collins 1921-11-19 s.n. Riverside Santa Ana River, 3 miles N of Mt Rubidoux. Comment
  RSA617985  Centaurium venustum R. E. Riefner Jr. 1998-5-15 98 -301 Riverside Elsinore Trough between Willard and Murrieta Creek, Lake Elsinore. Comment
  UC774537  Centaurium venustum Carl B. Wolf 1941-6-27 10897 Riverside 3.3 mi e Orange County line (Ortega Highway); Santa Ana Mts. 579 Comment
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Sep 18 2011
  UCR38687  Centaurium venustum J. M. Stewart 1985-5-20 8521 Riverside Sonoran (Colorado) Desert, Palm Canyon 244 Comment
  CLARK-A1528-387  Cerastium glomeratum C. M. Flanagan 1973-5-12 OO 415 Riverside Morongo Indian Reservation 1158 Comment
  RSA191420  Cercocarpus betuloides E. W. Lathrop, Robert F. Thorne 1967-9-26 6608 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA561080  Cercocarpus minutiflorus Steve D. Boyd, Orlando Mistretta 1992-4-22 7005 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  UC1537043  Chaenactis artemisiifolia Gordon H. True Jr. 1935-4-18 229 Riverside Mockingbird Canyon 457 Comment
  SBBG97181  Chaenactis carphoclinia W. L. Halvorson 1977-2-15 77 -26 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR164059  Chaenactis carphoclinia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29145 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UC572543  Chaenactis fremontii H. S. Yates 1937-3-23 6395 Riverside 2 mi n of Palm Springs; San Jacinto 213 Comment
  UCR89562  Chaenactis fremontii George K. Helmkamp 1994-3-10 42- 13 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  SEINET2049368 Image available Chaenactis glabriuscula Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road, T7S, R1E, sec 32. 701 Comment
  UCSB11119  Chaenactis glabriuscula Haines, Bruce 1962-5-5 Riverside 6.6 miles south of Banning on Banning to Idyllwild Road 1158 Comment
  HSC85279  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  POM6055  Chaenactis glabriuscula var. glabriuscula F. L. Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore Region Comment
  UC1537042  Chaenactis glabriuscula var. glabriuscula Gordon H. True Jr. 1935-5-15 112 Riverside Box Springs 34 Comment
  UC63008  Chaenactis glabriuscula var. glabriuscula W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Chalk Hill San Jacinto Mt., Chalk Hill 1524 Comment
  RSA777675  Chaenactis stevioides Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 965 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  JOTR33670  Chamaesyce albomarginata La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2660 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  RSA556453  Chamaesyce albomarginata Julie Greene 1993-4-30 1275 Riverside San Jacinto Wildlife Area. S of visitor center road and North of the old San Jacinto River drainage 433 Comment
  POM9669  Chamaesyce albomarginata P. A. Munz, R. D. Harwood 1920-2-28 3247 Riverside 3 miles west of Corona. 305 Comment
  RSA0121596  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9106 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  SEINET3228135  Chamaesyce micromera G. Rink, T. Thomas and K. Routson 2012-9-2 11658 Riverside McCoy Solar Power Plant (proposed) about 10 miles northwest of Blythe 170 Comment
  SEINET5742556 Image available Chamaesyce micromera W. Steinmann 1999-1 1415 Riverside Foothills of the Chuckwalla Moutains, open desert ca. 2 km S of Desert Center.; Desert Center 325 Comment
  JOTR32295  Chamaesyce polycarpa Herskovits, Tasya, M. Harding, M. Wheeler 2011-6-22 6 Riverside Joshua Tree National Park. Eagle Mountains; .5 mile east of Pinto Basin road and north of southern park boundary; Open sandy bajada 553 Comment
  RSA793529  Chamaesyce polycarpa Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3952 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  RSA85088  Chamaesyce polycarpa J. C. Roos 1952-4-9 5496 Riverside Scattered along dry sunny roadside with Avena barbata, Muhlenbergia microsperma, etc., southeast face Mt. Rubidoux. 335 Comment
  UCSB23268  Chamaesyce polycarpa Keefe, Joseph 1967-3-23 Riverside Along Whitewater Canyon Road, 1.9 miles north of U.S. Highway 101, east of Banning 609 Comment
  RSA576451  Chamaesyce polycarpa var. hirtella Marjorie D. Clary 1937-3-7 2785 Riverside Road to Fargo Canyon, Little San Bernardino Mts., north side of Colorado Desert; 244 Comment
  UC71520  Cheilanthes clevelandii Miss Alice King 1892-1 Riverside Comment
  UCR112399  Cheilanthes clevelandii A. C. Sanders, Mitch Provance, E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area, summit of Black Mtn. 915 Comment
  SEINET804427  Cheilanthes covillei Carl B. Wolf 1932-1 4277 Riverside Colorado Desert. Little San Bernardino Mountains. Morongo Wash at Riverside County line. 731 Comment
  RSA605762  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mts, N of Winchester, at ''Maze Stone'' Picnic Area 610 Comment
  UCR90970  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  POM12204  Cheilanthes parryi P. A. Munz, D. Keck 1922-4-9 4823 Riverside Colorado Desert: so. base of Eagle Mtns. 3 mi. no. east of the Hayfields. Comment
  RSA0033580  Cheilanthes parryi Robert F. Thorne 1966-10-15 41809 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  SEINET10470380  Cheilanthes parryi David B. Dunn 1948-2-21 Dunn 3692 Riverside Common among the rocks on Northerly slopes of ravines. Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  POM299277  Cheilanthes viscida A. M. Alexander, Louise Kellogg 1941-5-21 2214 Riverside Colorado Desert: bed of canyon near its mouth, north slope of Eagle Mountains. 1159 Comment
  RSA597245  Cheilanthes viscida A. C. Sanders, G. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mountains/Colorado Desert: Chino Canyon near Palm Springs, 1.8 miles above Palm Canyon Road (Hwy 111) on the road to the tram station, vicinity of the upper end of the flood control dike. 548 Comment
  RSA552707  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross 1992-2-21 6663 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  SBBG65369  Chenopodium leptophyllum R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  SD122872  Chenopodium murale Steve Boyd 1985-7-23 1012 Riverside De Luz Rd., 7.6 mi. west of Rancho California. Roadsideweed in damp soil where Sandia Creek crosses road. 334 Comment
  CAS-BOT-BC231784  Chilopsis linearis Roxana S. Ferris 1918-6-14 985 Riverside 2 miles east of Indian Wells on Palm Springs-Indio Rd Comment
  RSA0108979  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 286 Comment
  RSA455302  Chilopsis linearis H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass. Comment
  UCR193910  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 450 Comment
  POM13252  Chilopsis linearis subsp. arcuata E. C. Jaeger 1921-6-15 1055 Riverside Banning. Base of McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  RSA455303  Chilopsis linearis subsp. arcuata Joseph A. Ewan 1931-4-4 4153 Riverside North of Shaver s Canyon. 122 Comment
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Jul 5 2010
  SEINET13310687  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2015-9-10 41841 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon near top of alluvial fan, beside Summit Rd. c. 1.15 mi. below the old train trestle. 480 Comment
  UC604961  Chilopsis linearis subsp. arcuata Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9582 Riverside 2 mi. up Painted Canyon; Mecca Hills Comment
  POM11892  Chimaphila umbellata subsp. occidentalis P. A. Munz 1922-7-7 6055 Riverside No fork of Tahquitz Creek. 2134 Comment
  UC2031354  Chloracantha spinosa Duncan S. Bell 2013-10-29 6089 Riverside Colorado Desert, Chocolate-Chuckwalla Mountains:Hayfields Dry Lake, N of Interstate10, about 1 mile SW of the pumping station. Comment
  UCR19191  Chloracantha spinosa John C. Roos 1965-7-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 75 Comment
  SEINET954331  Chloris virgata R. E. Riefner Jr. 2006-1 06 -447 Riverside Peninsular Range: Temecula Valley, along I-15 Freeway near Temecula Creek. 301 Comment
  UCR279238  Chorizanthe brevicornu A. C. Sanders, Jim Malusa 2017-3-23 42937 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  UC68578  Chorizanthe brevicornu var. brevicornu H. M. Hall May, 1905 6029 Riverside near Pinto Mountains; Colorado Desert, near Pinto Mountains Comment
  UCSB1361  Chorizanthe brevicornu var. brevicornu Haller, John 1959-3-22 Riverside immediately south of Hwy 60-70 , 5.9 miles E. of Desert Center Comment
  UCSB22185  Chorizanthe brevicornu var. brevicornu Keefe, Joseph 1967-3-23 Riverside Rocky, southwest facing slope above 29 Palms Highway, 3.8 miles north of Mission Creek Road, Morongo Valley. 777 Comment
  SEINET244669  Chorizanthe coriacea A. C. Sanders, T. B. Salvato 2001-5-3 24073 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel. 1712 ft. hill at east end of Diamond Valley. 494 Comment
  CAS-BOT-BC191854  Chorizanthe corrugata Frank W. Peirson 1927-4-12 7175 Riverside Painted Canyon, near camp at forks Comment
  RSA526140  Chorizanthe fimbriata Steve Boyd, Laurel Artnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4569 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  UCR66982  Chorizanthe leptoceras D. E. Bramlet, D. J. Bradney 1989-6-12 1915 Riverside Arroyo Seco, 1000 ft. south of Hwy 79 and 700 ft west of U.S.F.S. Dripping Springs Campground, on sandy beaches c. 200 ft. west of Arroyo Seco channel 485 Comment
  UCR209586  Chorizanthe parryi var. parryi Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  UCR78331  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-5 2341 Riverside Lake Matthews, Ridgeline above Dawson Canyon, 670 m north of the canyon. 732 m east of the existing landfill weigh station 439 Comment
  CAS-BOT-BC257187  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA586722  Chorizanthe polygonoides var. longispina D. L. Banks, S. D. Boyd 1995-5-17 0444 B Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area; along the Dripping Springs Trail. 671 Comment
  UCR252763  Chorizanthe polygonoides var. longispina John Dvorak 2011-4-6 011 Riverside Perris Aguanga Basin, Bundy Canyon Road, approximately 80 meters north of intersection with Oak Circle Drive, in mowed/disturbed firebreak buffer 490 Comment
  UCR92632  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-26 2396 B Riverside Perris-Aguanga Basin, Shipley Multi-species Reserve, SW of Tucalota Creek 488 Comment
  POM14108  Chorizanthe rigida P. A. Munz, D. D. Keck 1922-4-9 4878 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA475295  Chorizanthe rigida Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2105 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA559367  Chorizanthe staticoides Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7377 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  RSA450415  Chrysothamnus paniculatus J. C. Roos 1965-11-6 s.n. Riverside Whitewater. 305 Comment
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Jan 14 2010
  SEINET11860603  Chrysothamnus paniculatus L. S. Rose 1935-12-21 35677 Riverside Colorado Desert, Whitewater Wash, 3 mi SE of Palm Springs Station 305 Comment
  SEINET7883464 Image available Chrysothamnus paniculatus Lewis S. Rose 1935-1 35677 Riverside Colorado Desert; Whitewater Wash, 3 mi SE Palm Springs Station 305 Comment
  POM295631  Chrysothamnus teretifolius Lyman Benson 1952-12-29 15087 Riverside White Tanks, Joshua Tree National Monument, 915 Comment
  JEPS23428  Chylismia brevipes subsp. brevipes W. L. Jepson 1928-4-25 12609 Riverside n Mecca; Cottonwood Spr. 731 Comment
  SBBG100299  Chylismia claviformis W. L. Halvorson 1977-3-8 77 -90 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCSB4429  Chylismia claviformis Haller, John 1958-3-22 Riverside S. of Hwys 60, 70; 5.8 miles E. of Desert Center Comment
  CAS-BOT-BC160629  Chylismia claviformis subsp. aurantiaca Aven Nelson; Ruth A. Nelson 1939-3-22 3215 Riverside Near Palm Springs, hiway 99 Comment
  CAS-BOT-BC160633  Chylismia claviformis subsp. aurantiaca Aven Nelson; Ruth A. Nelson 1939-3-28 3305 Riverside South of Mecca on hiway 111, to Salton Sea Comment
  CAS-BOT-BC160641  Chylismia claviformis subsp. aurantiaca L. R. Abrams 1926-3-26 11040 Riverside Palm Springs Comment
  UC724197  Chylismia claviformis subsp. aurantiaca Aven Nelson, Ruth A. Nelson 1939-3-22 3215 Riverside Hwy 99 near Palm Springs Comment
  JEPS30448  Cirsium occidentale var. californicum Donald Kyhos 1958-5-16 58 -186 Riverside 1 mi up road toward Mount Santa Rosa summit; San Jacinto Mts. 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
  POM320357  Cirsium scariosum Worthman 1968-5-16 180 Riverside 17.3 miles west of Murrieta 671 Comment
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Jun 16 2013
  RSA511281  Cirsium scariosum John Adams 1966-4-28 752 Riverside Santa Rosa Plateau, 1 mile from Tenaja Campground, 11 miles from Murietta toward De Luz 762 Comment
  UCR138763  Cirsium scariosum Scott D. White 1997-5-18 5164 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  UCR25723  Cirsium scariosum John LaSalle 1982-4-29 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta; c. 3 mi. SW of Palomar Rd on Clinton Keith Rd. 549 Comment
  UC489228  Cirsium scariosum var. congdonii C. V. Meyer 1928-7-1 617 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  UCR57226  Clarkia Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  UCR80800  Clarkia dudleyana Scott D. White 1993-5-29 1453 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UC20315  Clarkia epilobioides Mrs. Gregory 1892-1 Riverside San Jacinto San Jacinto Comment
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Jul 22 2010
  UCR154601  Clarkia purpurea A. C. Sanders, T. B. Salvato 2005-4-28 29764 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR16358  Clarkia purpurea Robert Eaton 1968-5-13 680513- 21 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado, Santa Rosa Road, 6 mi. from Washington Street in Murrieta 610 Comment
  CAS-BOT-BC163862  Clarkia purpurea subsp. quadrivulnera Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA356713  Clarkia purpurea subsp. quadrivulnera Robert F. Thorne, E. W. Lathrop 1975-5-25 45558 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA781221  Claytonia parviflora A. C. Sanders, Matthew Malle 2010-4-23 37992 Riverside Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR16641  Claytonia perfoliata subsp. perfoliata H. C. Sharma 1976-4-26 760426- 04 Riverside about 3 miles south of Washington Street on the side of Mockingbird Canyon 335 Comment
  RSA386222  Clematis lasiantha E. W. Lathrop 1971-3-21 7453 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  RSA386223  Clematis lasiantha E. Crow 1929-4-7 292 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  SD186309  Clematis lasiantha Andy C. Sanders, Mike Misenhelter 2005-6-15 31002 Riverside Sage-Auanga 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 640 Comment
  SD80149  Clematis pauciflora Nacny Ryan Zabriskie, Walter Zabriskie 1971-3-7 352 Riverside Andreas Canyon, east slope of San Jacinto Mountains 359 Comment
  SJSU9059  Clematis pauciflora G. B. Youngberg 1956-3-30 232 Riverside Glen Ivy Hot Springs, E slope Santa Ana Mts c. 11 mi SE of Corona 365 Comment
  UC1506119  Clematis pauciflora E. R. and T. P. Clausen 1963-4-23 Riverside s. of Red Mt. (s. slope of transverse ridge); Transverse Ranges 980 Comment
  POM294294  Cleome isomeris Lyman Benson 1949-3-28 13583 Riverside 10 miles northeast of Palm Springs. Colorado Desert. 335 Comment
  RSA440806  Cleome isomeris C. Cunningham 1941-2-9 s.n. Riverside 29 Palms Junction. 366 Comment
  RSA544380  Cnicus benedictus Steve Boyd, Timothy S. Ross 1991-6-14 6395 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR1325  Collinsia childii Martha McCarthy 1960-3-27 s.n. Riverside Santa Ana Mtns, 1/3 mi west of Tenaja Rd., 12.2 mi from junction with Washington Ave., Murrieta 732 Comment
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Jul 12 2007
  RSA0117423  Collinsia concolor Steve D. Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2263 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA0117459  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1096 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1382 Comment
  UCR193125  Collinsia concolor A. C. Sanders, Tim Thomas 2008-6-20 35534 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  JEPS13638  Collinsia heterophylla Peter Kamb 1948-6-19 1114 Riverside Santa Ana Mountains, se slope of Santiago Peak Santiago Peak; Santa Ana Mountains, Santiago Peak 1219 Comment
  CLARK-A1528-3912  Colubrina californica John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  SBBG54139  Colubrina californica C. S. Jones 1979-3-27 41 Riverside wash ca. 5 mi N of Interstate 10, 4 mi W of Desert Center 426 Comment
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Mar 15 2013
  UCR43233  Commelina benghalensis I. Lazcano F. 1986-5-14 s.n. Riverside U.C. Riverside Campus, vegetable gardens in the Family Housing area. Comment
  SEINET3091117 Image available Convolvulus arvensis C. M. Flanagan 1971-5-25 Riverside East La Cadena Drive near Center Street, Highgrove. Comment
  UCR172210  Convolvulus simulans John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  UC468806  Conyza canadensis F. M. Reed 1905-9-25 406 Riverside Terraces Ranch Comment
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Oct 20 2007
  SD67924  Cordylanthus nevinii Reid Moran 1968-8-3 15360 Riverside North slope, ridge 1 mile W of Toro Peak 2250 Comment
  UCR35231  Cordylanthus nevinii L. B. Ziegler 1967-8-30 229 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  RSA0010998  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1433 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  JOTR29613  Coreopsis bigelovii Andre, Jim 2006-4-26 6751 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  RSA689565  Coreopsis bigelovii Scott D. White, Michael Honer 2003-4-25 9119 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  HSC85257  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  UC63361  Corethrogyne filaginifolia E. A. Zumbro 1902-10-1 363 Riverside Riverside Comment
  UCR272166  Corethrogyne filaginifolia Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8578 Riverside Santa Rosa Mountains, a small ridge/summit area just to the south of the summit of Santa Rosa Mountain 2438 Comment
  SEINET11044816  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  SEINET7073455  Crassula connata A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  CAS-BOT-BC181571  Crossosoma bigelovii Elizabeth H. Daniels 1932-3-8 s.n. Riverside Mission Canyon, just south of Morongo Valley, 10 miles north of Whitewater, sotuh base of Little San Bernardino Mountains Comment
  RSA337441  Crossosoma bigelovii R. F. Thorne, C. W. Tilforth 1973-5-30 43584 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  SEINET7863222 Image available Croton californicus J. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella Valley; just south of Hwy I-10 at Amtrak train station parking , just west of N. Indian Cyn Drive. 7.5' Quad: Desert Hot Springs. 186 Comment
  UC1130371  Croton californicus H. S. Yates 1936-4-7 5430 Riverside 10 mi e Whitewater; San Jacinto Quadrangle Comment
  CLARK-A1656-886  Croton californicus var. mohavensis Jim Cornett 1977-6-25 Riverside Desert Hot Springs Comment
  POM230646  Croton californicus var. mohavensis I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 200 Comment
  UCR94939  Croton setiger Scott D. White 1996-9-22 4530 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  SD181766  Crypsis schoenoides Scott D. White 2001-6-29 8632 A Riverside Menifee Valley, about 1.4 airmiles SW of the I-215/Newport Rd Interchange, NW of the intersection of Holland Rd & Bradley Rd; Romoland [quad]. Mostly waste area (soil stockpiles, flood control basin). At bottom of retention basin. 438 Comment
  CAS-BOT-BC133959  Cryptantha J. H. Thomas 1949-2-28 55 a Riverside About 6.5 miles south-east of Banning between Banning and Palm Springs Comment
  POM12152  Cryptantha angustifolia Mary F. Spencer 1920-3-10 1512 Riverside In desert sandy, Mecca, colorado Desert. -60 Comment
  POM311696  Cryptantha angustifolia Sally Christian 1957-4-3 312 Riverside Road to 29 Palms, 1 mile from Hwy 99. 427 Comment
  RSA191743  Cryptantha angustifolia R. F. Thorne 1963-3-29 32367 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  RSA777448  Cryptantha angustifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 967 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  RSA799816  Cryptantha angustifolia D. M. Ray 2011-3-5 14 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SBBG6234  Cryptantha angustifolia C. H. Muller 1952-4-6 9503 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  UCR148856  Cryptantha angustifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 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
  UCR216676  Cryptantha angustifolia Jim Andre, T. La Doux 2009-3-10 11236 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  RSA3966  Cryptantha barbigera C. B. Wolf 1932-4-29 3105 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 243 Comment
  UCR138585  Cryptantha barbigera Steve Boyd, Orlando Mistretta 1986-3-13 1407 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  UCR256908  Cryptantha corollata Naomi Fraga, Duncan S. Bell 2009-5-6 2703 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  CAS-BOT-BC218862  Cryptantha costata A. C. Sanders 2010-3-15 37407 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains 152 Comment
  RSA0030696  Cryptantha costata J. Andre 2013-3-27 24795 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  UCR20839  Cryptantha costata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1304 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  SEINET12280754  Cryptantha costata Unknown 1936-1 12813 Riverside foothills of San Jacinto Mts, S of Palm Springs Comment
  RSA0078808  Cryptantha cycloptera Duncan S. Bell 2009-3-7 21 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  JEPS67649  Cryptantha intermedia W. L. Jepson 1935-4-17 19155 Riverside 1.5 mi n Elsinore (sw Riverside County) 457 Comment
  RSA683088  Cryptantha intermedia Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8664 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCD119862  Cryptantha intermedia R. L. Smith 1948-3-24 s.n. Riverside foot of Andreas Canyon. Comment
  UCR162270  Cryptantha intermedia S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UCR162925  Cryptantha intermedia B. G. Pitzer, Stu Hemstreet 1992-5-21 1935 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  SDSU21025  Cryptantha intermedia var. intermedia T. B. Salvato 2014-4-9 7843 Riverside Perris-Aguanga Basin: Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Conyon Road and Sunset Avenue (Romoland 7.5', +/- 1000m) Flat terrain; non-native grassland with remnant patches of coastal sage scrub including Rhamnus crocea, Rhus aromatica, Eriogonum fasciculatum foliolosum, Adenostoma fasciculatum, Sambucus nigra. Grassland of Avena barbata is disked. 536 Comment
  RSA0128989  Cryptantha maritima J. Mark Porter, Valerie Soza, G. Wallace 2001-4-2 12331 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 472 Comment
  RSA776338  Cryptantha maritima Duncan S. Bell, Amanda Turek 2010-4-10 817 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA782072  Cryptantha micrantha Duncan S. Bell 2009-3-9 109 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  CLARK-A1528-333  Cryptantha micrantha subsp. micrantha Charlotte Stocks 1964-4-26 Riverside Comment
  RSA489621  Cryptantha micrantha var. lepida D. Charlton 1988-5-28 2118 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  RSA523516  Cryptantha micromeres Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3975 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SDSU20871  Cryptantha microstachys Lee Ripma, Jim Rocks 2013-4-24 406 Riverside Proposed Spring Valley Raneh development project. On privately owned land. 550 Comment
  UCR133402  Cryptantha microstachys Tracy Tennant, J. S. Ross 1998-5-7 MOR- 94 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCSB40037  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  RSA192173  Cryptantha muricata E. W. Lathrop 1965-4-4 5615 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UC662529  Cryptantha muricata Philip A. Munz 1937-5-30 15086 Riverside nw slope Santa Rosa Mts. 2133 Comment
  UCR108476  Cryptantha muricata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16179 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  UCR111546  Cryptantha muricata Mitch Provance 1999-5-4 1695 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA0018642  Cryptantha muricata C. P. Cowan 1978-4-24 1250 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  RSA0079568  Cryptantha muricata var. jonesii J. C. Roos 1950-4-15 4732 Riverside The summit of Reche Canyon. 793 Comment
  RSA781904  Cryptantha nevadensis var. nevadensis Duncan S. Bell 2010-5-1 886 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR269842  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2016-3-18 42383 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UC1601965  Cryptantha pterocarya var. purpusii H. M. Hall May 1899 1161 Riverside between San Jacinto Mt. and El Toro Mt. (at Van Deventer's Ranch); San Jacinto Mountains 1371 Comment
  HSC99971  Cupressus forbesii Michael Kauffmann 2011-5-28 15 Riverside Just North of Sierra Peak Comment
  UCR281883  Cuscuta Mitch Provance 2012-11-9 1112- 12 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  SDSU13681  Cuscuta californica var. californica Jutta Buschbom 1991-5-1 32 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
  RSA192297  Cuscuta ceanothi E. W. Lathrop 1966-9-14 6590 Riverside 3 miles SW of Murrieta. Comment
  UCR127527  Cuscuta denticulata A. C. Sanders, G. Nuhn 1995-4-20 16587 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
  UCR86869  Cycloloma atriplicifolium A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16278 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA0083603  Cylindropuntia chuckwallensis Marc Baker, Michelle Cloud-Hughes 2012-4-9 17536 Riverside North side of Chuckwalla Mountains, 1.7 km NNE of Chuckwalla Spring, 57 km west of Blythe. 500 Comment
  RSA303532  Cylindropuntia echinocarpa J. R. Shevock 1972-3-13 1405 Riverside Palm Springs. 183 Comment
  SEINET9037738 Image available Cylindropuntia echinocarpa M. A. Baker 2015-1 18325 Riverside San Gorgonio Pass, south base of the San Bernardino Mountains, 24km NW of central Palm Springs, 3km ENE of Cabazon, heavily-grazed bowl among hills 559 Comment
  RSA0098478  Cylindropuntia ganderi var. ganderi Marc A. Baker 2015-7-4 18385 .2 Riverside San Jacinto Mountains, 25 km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain. 1236 Comment
  UCR114205  Cylindropuntia prolifera A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23645 Riverside Temecula Valley, gasline route on east edge of Temecula, c. 2 km SW of Skunk Hollow and 1 km north of Nicolas Rd., north side of next arroyo north of Santa Gertrudis Creek, NE of elementary school 381 Comment
  HSC46678  Cylindropuntia ramosissima B. C. Templeton Apr 1965 10526 Riverside Joshua Tree Comment
  UCD97943  Cylindropuntia ramosissima William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  RSA278300  Cymopterus panamintensis var. acutifolius John F. Emmel 1976-3-17 541 Riverside Canyon 0.8 air mile north of peak 4353, NE slope of Granite Mountains WSW of Rice, southeastern Mojave Desert. 732 Comment
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Nov 24 2013
  CHSC36065  Cynodon dactylon Paul Bailey 1972-5-14 131 Riverside Roadside 5 miles SE of Temecula, Hwy S 16, Pechanga Canyon. 670 Comment
  UCR113854  Cynodon dactylon Mitch Provance 2000-6-24 2062 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CLARK-A1528-2  Cyperus eragrostis Fred B. Essig 1966-9-12 Riverside Riverside Comment
  IRVC5332  Cyperus eragrostis B. Freeman 1968-5-21 680521 1 Riverside UCR campus; wet drainage gulley below Watkins House. southern coastal 305 Comment
  RSA522720  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3811 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA522108  Cyperus erythrorhizos Steve Boyd, Timothy S. Ross 1989-8-28 3801 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCSB45585  Cyperus erythrorhizos Roos, John 1951-9-25 Riverside Fairmount Park, Riverside 259 Comment
  SEINET7581721 Image available Cyperus erythrorhizos Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of "Estelle Creek" and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 329 Comment
  SBBG119269  Cyperus involucratus R. F. Thorne 1965-4-4 41861 Riverside Tahquitz Falls, Tahquitz Cyn Comment
  SBBG133574  Cyperus niger S. D. White, A. Carey, L. Archa 2004-8-5 10680 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  CAS-BOT-BC113929  Cyperus odoratus Samuel B. Parish 1891-11-3 2247 Riverside Shores of Elsinore Lake Comment
  JEPS64079  Cyperus odoratus Samuel B. Parish 1891-11-3 2247 Riverside Elsinore Lake Comment
  POM13748  Cyperus odoratus E. C. Jaeger 1921-07 1194 Riverside Soboba Hot Springs. Comment
  RSA575929  Cyperus odoratus Steve Boyd 1994-9-29 8369 Riverside Lake Elsinore, floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UC863725  Dalea mollissima C. L. Hitchcock 5846 Riverside ca. 12 mi. e. Indio Comment
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Oct 16 2011
  UCR5569  Dalea mollissima O. F. Clarke 1966-10-5 661005- 12 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  UCR208074  Datisca glomerata T. S. Elias, Steve Boyd, Kit Tan 1986-7-23 10154 Riverside Peninsular Ranges; Santa Ana Mountains, Santa Rosa Plateau: along Cole Creek 610 Comment
  RSA645679  Daucus pusillus Scott D. White 1999-5-2 7287 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
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Mar 23 2011
  SD186077  Deinandra mohavensis A. C. Sanders, Steve Boyd, et al 1998-10-25 22273 Riverside Highway 74, roadside seep, ca. 2.0 miles below Mountain Center. 1250 Comment
  UCR252762  Deinandra mohavensis Ana Hernandez, John Dvorak 2011-8-9 029 Riverside San Jacinto Mountains, Hwy 243, 2.8 km north of Mountain Center 1580 Comment
  UC1746493  Deinandra paniculata A. C. Sanders with D. Malueg, K. D. Jones 2000-9-8 23635 Riverside gasline right of way across Pinto and Hoopes Ranches; Perris-Aguanga Basin Region; gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  RSA336418  Delphinium parishii Robert F. Thorne 1978-4-23 52058 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  CLARK-A1528-3860  Delphinium parishii subsp. parishii John C. Roos 1947-5-10 3612 Riverside Reche Canyon Comment
  CLARK-A1528-3866  Delphinium parryi John C. Roos 1952-5-7 5614 Riverside Box Springs Mountains Comment
  RSA772003  Dendromecon rigida Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4969 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
  UC1126348  Dendromecon rigida R. St. John 1931-3-25 198 Riverside e Sierra Peak; Corona Quadrangle; SBM 762 Comment
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Nov 27 2011
  CAS-BOT-BC39733  Descurainia adenophora H. M. Hall 1901-6-1 2623 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley. 1828 Comment
  UCR265584  Descurainia pinnata Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 8 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  UCR59505  Descurainia pinnata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3242 Riverside Peninsular Range, Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 488 Comment
  JOTR30321  Descurainia pinnata subsp. glabra La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1766 Riverside Joshua Tree National Park. Hexie Mountains, southern end; Porcupine Wash. Stop #1: Open sandy wash near road heading to Cottonwood. 745 Comment
  RSA49350  Descurainia pinnata subsp. glabra P. A. Munz 1949-4-11 13016 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  UC1931090  Descurainia sophia Scott D. White, Justin Wood 2008-6-19 12272 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  RSA317  Dicentra chrysantha J. T. Howell 1928-7-7 1034 Riverside Near Glen Ivy. 457 Comment
  CAS-BOT-BC500850  Dichelostemma capitatum Marian L. Campbell 1921-3-18 51 Riverside Banning Comment
  CAS-BOT-BC292192  Dicoria canescens Alice Eastwood 1913-4-30 3110 Riverside Palm Springs Comment
  POM123020  Dicoria canescens Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  RSA124448  Dicoria canescens Percy C. Everett, E. K. Balls 1958-4-29 23024 Riverside 5.3 mi. NE from Desert Center along road to Rice and Vidal Jct. 244 Comment
  RSA431199  Dicoria canescens J. C. Roos 1957-11-30 6659 Riverside 6 mi NW of Thousand Palms. 152 Comment
  UC501500  Dicoria canescens Frank W. Peirson 1924-12-30 5425 Riverside 1000 Palms Canyon 121 Comment
  UC64816  Dicoria canescens E. E. Schellenger 1904-10-15 50 Riverside Whitewater Station 0 Comment
  CAS-BOT-BC152915  Diplacus brevipes Peter H. Raven 1958-5-17 12947 Riverside 7.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  RSA0016056  Diplacus fremontii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38096 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  CAS-BOT-BC150263  Diplacus puniceus Steve Boyd; Aydee Virgen 2004-4-13 10850 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  CAS-BOT-BC150870  Diplacus puniceus John C. Roos 1952-5-14 5665 Riverside Hills 2 miles northwest of Perris 502 Comment
  CAS-BOT-BC150876  Diplacus puniceus L. R. Abrams 1941-4-22 13876 Riverside Palomar School near Perris Comment
  CDA31681  Distichlis spicata G. D. Barbe 1983-10-26 4119 Riverside Bank of Colorado River at County Park, 26th Avenue east of Boulevard, southeast of Blythe 0 Comment
  CHSC60201  Distichlis spicata J. Lund 1980-4-2 Riverside The corner of 66th. Ave and Fillmore are 3.0 miles east of Meca. 45 Comment
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May 29 2011
  UCR232079  Distichlis spicata John F. Green 2008-4-22 06- 07 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  JEPS52442  Ditaxis lanceolata W. L. Jepson and H. M. Hall 1901-5-22 1400 Riverside Palm Canyon of Mt. San Jacinto and return to Van Deventer's; Mt. San Jacinto, Palm Canyon Comment
  JOTR32607  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
  UC17546  Ditaxis lanceolata S. B. Parish Apr 4 1896-Apr 13 1896 4141 Riverside (Agua Caliente) Palm Springs (base of San Jacinto Mt); base of San Jacinto Mt., , (Agua Caliente) 152 Comment
  UCR122746  Ditaxis neomexicana George K. Helmkamp, E. A. Helmkamp 1998-4-24 3387 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  VVC2111  Ditaxis neomexicana Tim Thomas 2012-8-23 5870 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  RSA4950  Ditaxis serrata var. californica C. B. Wolf 1932-4-27 3048 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  SBBG72431  Dithyrea californica R. C. and J. R. Robbins 1933-2-17 Riverside 20 mi S of Indio Comment
  SD260032  Dithyrea californica J. M. Andre 2013-3-27 24797 Riverside Rice Valley: east saide of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). Ric 7.5'Q 242 Comment
  UCR256941  Dodecahema leptoceras Naomi Fraga, Duncan S. Bell 2009-5-6 2702 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  RSA736257  Dodecatheon clevelandii Scott D. White, Justin M. Wood 2008-4-3 11789 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  SDSU21800  Downingia cuspidata Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3980 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UC856110  Draba corrugata var. saxosa P. A. Munz 1922-7-7 6043 Riverside summit San Jacinto Peak San Jacinto Mts., summit San Jacinto Peak 3285 Comment
  UC64193  Draba cuneifolia H. M. Hall 1897-2-27 366 Riverside Rawson Comment
  RSA0114700  Dudleya Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17495 Riverside 300 m south of Desert Queen Mine (McHaney's Mine), 12.5 km SSW of Twenty Nine Palms, 1.5 km ESE of Negro Hill. 1360 Comment
  JEPS49925  Dudleya lanceolata W. L. Jepson 1901-5-17 1222 Riverside Riverside Comment
  RSA487429  Dudleya lanceolata Steve Myers 1998-5-17 s.n. Riverside Santa Rosa Springs Ranch, 0.25 mi. W of N end of Mesa de Burro, W of town of Murrieta Comment
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Dec 5 2014
  UCR130867  Dudleya lanceolata Mitch Provance 1998-6-10 636 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UC69874  Dudleya multicaulis C. M. Wilder 1905-5-30 584 Riverside West Riverside Comment
  JOTR33935  Dudleya saxosa subsp. aloides La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2825 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  LA204791  Dudleya saxosa subsp. aloides David S. Verity; 1951-4-23 sn Riverside base of San Jacinto Mountains in upper end of Coachella Valley near San Gorgonio Pass Comment
  RSA773192  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4893 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
  RSA0047811  Dysphania pumilio A. C. Sanders 2013-7-6 40841 Riverside Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  SEINET8060006 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 5 Riverside 3.8mi down Eagle Mt. Rd. off I-10. SE side of the road. 400 Comment
  UC403451  Echinocereus engelmannii Munz and Johnston 1922-5-21 5570 Riverside 2 mi below Kenworthy; San Jacinto Mts., Thomas Valley Comment
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Mar 25 2011
  JOTR35167  Echinochloa crus-galli La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3271 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
  RSA0106466  Echinochloa crus-galli Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  RSA289863  Eclipta prostrata B. A. Prigge 1980-12-15 4111 Riverside Coachella Valley Stormwater Channel: 3 miles S of Mecca where Lincoln Street crosses channel. -67 Comment
  UCR199669  Eclipta prostrata Scott D. White, Lynn Stafford 2007-6-27 11751 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  RSA249863  Egeria densa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38148 Riverside San Bernardino National Forest. Lake Fulmor 1677 Comment
  CHSC106538  Elatine californica Robert F. Thorne 1973-5-23 43840 Riverside SANTA ROSA PLATEAU - MESA DE COLORADO: N edge of large vernal marsh in shallow water. 609 Comment
  RSA757452  Elatine californica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55207 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  UCR196306  Eleocharis acicularis R. F. Thorne 1973-5-23 43850 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UCR78097  Eleocharis bella Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6339 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  RSA770879  Eleocharis geniculata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4602 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR45970  Eleocharis macrostachya Dave Thomason, T. Ganje 1986-9-17 s.n. Riverside San Jacinto Mountains, Lake Hemet, N shore near the fence. 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
  CAS-BOT-BC112270  Eleocharis rostellata W. R. Dudley 1903-12-26 s.n. Riverside Palm Springs Comment
  CDA19961  Eleusine indica J. Chandler 2002-9-4 PDR P 168849 Riverside Southwestern California; Growing around faucet used to wash Road Dept vehicles on Washington St, Riverside. 0 Comment
  UCR93237  Eleusine indica A. C. Sanders 1994-7-27 15163 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  RSA0050592  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. In open disturbed area along road 5S02. 1402 Comment
  SD178092  Elymus triticoides A. C. Sanders 2004-5-12 27874 Riverside Elsinore Basin Region; Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 377 Comment
  HSC93130  Emmenanthe penduliflora Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  UC1929975  Emmenanthe penduliflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10461 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
  UCR202012  Emmenanthe penduliflora 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
  LA206365  Encelia actoni Norman C. Cooper; 1944-5-6 1195 Riverside Banning, along railroad 701 Comment
  POM11524  Encelia actoni P. A. Munz 1922-7-3 5961 Riverside S slopes of Santa Rosa Mts. 1676 Comment
  POM356657  Encelia actoni Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SBBG112481  Encelia actoni C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  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
  UCR92267  Encelia actoni Scott D. White 1995-8-23 3561 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
  UCR120157  Encelia californica Mitch Provance 1998-2-28 118 Riverside Jurupa Mountains, NW 'Wilder's Canyon', 0.2 km SE of pk 1538, along slopes on the NW side of the Stringfellow Acid Pits. 366 Comment
  CAS-BOT-BC131340  Encelia farinosa H. A. Zuill 1966-6-5 190 Riverside 1 mile SW of Murrieta on the Tenaja Grade Comment
  CAS-BOT-BC131346  Encelia farinosa W. R. Dudley 1903-12-26 s.n. Riverside Palm [Canon] Canyon Comment
  RSA770315  Encelia farinosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4405 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
  SBBG8061  Encelia farinosa H. and M. Dearing 1937-4-10 2867 Riverside Thousand Palms Cyn Comment
  RSA525271  Encelia farinosa var. farinosa Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4585 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  JEPS34094  Encelia frutescens Marjorie D. Clary 1932-4-7 815 Riverside ca 5 mi n Palm Springs (State Highway); Garnet Comment
  JEPS34124  Encelia frutescens Marjorie D. Clary 1933-4-9 2178 Riverside Clemens Well Orocopia Mountains, Clemens Well 243 Comment
  UCR132815  Encelia frutescens A. C. Sanders 1989-9-19 9494 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Ridge Road 762 Comment
  OBI38921  Ephedra aspera A. C. Sanders, D. Charlton, & B. Pitzer, B. Pitzer 1986-3-3 6142 Riverside North foot of the Chuckwalla Mts, 2-3/4 mi airline SE of Desert Center 366 Comment
  RSA534620  Ephedra aspera Frederick W. Oettinger 1969-4-9 866 Riverside San Bernardino Mts., Whitewater Canyon: c. 10 mi. NNW of Palm Springs. Comment
  JOTR32657  Ephedra californica La Doux, Tasha, M. Bell, A. Holt, A. Miller, K. Matthews 2007-5-23 1338 Riverside Joshua Tree National Park. where Queen Valley meets Pleasant Valley, just north of Malapai Hill; open bajada with pediments, near Geology Tour Road 1219 Comment
  UCSB256  Ephedra californica Gill, Robert 1960-3-23 Riverside About 1 mile from road to Snow Canyon from road to Palm Springs; San Jacinto Mt. Range; Colorado Desert drainage area 396 Comment
  UCR274797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-4-30 068 B Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, at the bottom of Rice Valley, c. 2 miles south of Hwy 62, south of the RR tracks 243 Comment
  UCR33589  Ephedra trifurca Faulkner 1978-4-28 527 Riverside Sonoran (Colorado) Desert, sand dunes 3 miles south of Rice 245 Comment
  SD260976  Epilobium campestre Jeremiah George 2012-6-14 Riverside San Gorgonio Pass Region: Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial devopment. Vernal pool. 772 Comment
  UCR220335  Epilobium campestre D. E. Bramlet 1992-4-29 2248 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, west edge of Hemet, west of Warren Rd. and north of Florida Ave./Hwy 74 457 Comment
  UCR129331  Epilobium canum subsp. latifolium C. B. Wolf 1932-10-12 04299 Riverside Sonoran (Colorado) Desert, Pinyon Well, Little San Bernardino Mtns. 1220 Comment
  POM312132  Epipactis gigantea N. C. Cooper 1944-4-8 1062 Riverside Andreas Canyon. 366 Comment
  RSA33551  Equisetum hyemale var. affine Norman C. Cooper 1177 Riverside Whitewater Canyon. 457 Comment
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Jun 26 2008
  UCD63441  Eragrostis minor C. E. Good 1939-12-4 Riverside Sage. Comment
  JEPS68601  Eremalche exilis S. B. and W. F. Parish March, 1881 99 Riverside borders of Colorado Desert at Agua Caliente; Colorado Desert Comment
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Oct 27 2014
  RSA21763  Eremalche exilis Carl B. Wolf 1937-4-6 8435 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  JOTR33784  Eriastrum densifolium subsp. austromontanum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2924 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit Comment
  RSA0104871  Eriastrum densifolium subsp. austromontanum D. L. Banks, S. D. Boyd 1995-10-17 0784 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
  UC879943  Eriastrum diffusum subsp. coachellae Lewis S. Rose 1937-4-9 37104 Riverside Palm Springs. 137 Comment
  UCR202210  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 123 Comment
  RSA0120103  Eriastrum eremicum subsp. eremicum A. C. Sanders 1988-5-11 7810 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 548 Comment
  UC1929491  Eriastrum sapphirinum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10506 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UC23880  Eriastrum sapphirinum Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UCR1202  Eriastrum sapphirinum Carol Chaney 1960-5-5 s.n. Riverside Banning, 0.1 mi. on San Gorgonio Ave., from intersection of San Gorgonio Ave. and Wesley St. On slopes of hill to right of road Comment
  UCR174561  Eriastrum sapphirinum Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCR188669  Eriastrum sapphirinum Amanda Lovelady, Tina Hofmann 2007-5-20 34 Riverside Peninsular Range; Santa Ana (Elsinore) Mtns., c. 4 miles SW of city of Lake Elsinore, Cleveland National Forest, Morgan Trailhead at Main Divide Truck Trail, and surrounding area, between heads of Morrell and Decker Canyons 854 Comment
  UC2062557  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot with Robert K. Lauri 2005-7-7 5113 Riverside Western San Jacinto Mountains: Along Chimney Flat Road/Old Control Road 5S08. Comment
  UCR225681  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  RSA0121571  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-5-20 1297 Riverside Banning. 701 Comment
  SD255240  Eriastrum sapphirinum subsp. sapphirinum Duncan S. Bell, Evan Meyer and Sonia Pena 2015-10-20 8723 Riverside Santa Rosa Mountains; approximately 0.75 air mile west of the summit of Santa Rosa Mountain. 2196 Comment
  SBBG8361  Ericameria brachylepis H. and M. Dearing 1940-11-10 5013 Riverside Whitewater Comment
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Jan 10 2018
  UC479194  Ericameria cooperi var. cooperi Marcus E. Jones 1931-5-17 28970 Riverside Keyes Ranch Comment
  POM13596  Ericameria cuneata E. C. Jaeger 1922-8-20 s.n. Riverside Long Valley to Palm Springs Trail 1372 Comment
  RSA606371  Ericameria cuneata Jon E. Keeley, J. T. Rothrock 1992-11-11 22533 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  JEPS19170  Ericameria cuneata var. spathulata W. L. Jepson 1928-4-25 12582 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 914 Comment
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Oct 9 2010
  CAS-BOT-BC287639  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 372 Riverside About 2 miles up water service road leading S from Highway 72, Deep Canyon, N slope Santa Rosa Mts 1310 Comment
  RSA297386  Ericameria linearifolia Larry E. DeBuhr 1972-3-24 533 Riverside Santa Rosa Mts. along forest road 7S02 in San Bernardino National Forest 1768 Comment
  UCR243161  Ericameria linearifolia LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4298 Riverside Transverse Ranges; San Bernardino Mountains, 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
  SD229092  Ericameria parishii var. parishii Dick Schwenkmeyer 2011-8-25 651 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  SDSU12993  Ericameria parishii var. parishii Michael G. Simpson 1999-10-27 2024 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA0086777  Ericameria pinifolia R. G. Swinney 1967-5-26 11732 Riverside Snow Creek. 335 Comment
  RSA305669  Ericameria pinifolia C. W. Tilforth, Walter Wisura 1979-10-11 1917 Riverside 0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley 1341 Comment
  SEINET10617402  Erigeron breweri David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20756 Riverside Along Hwy. 74 W of the Jct. rd. to Idyllwild, 11 mi. W, at the lower edge of the coulter Pines and near the chaparral. Decomp. granite. Comment
  OBI42661  Erigeron foliosus B. Pitzer & K. Kirtland, K. Kirtland 1986-5-20 228 Riverside Butterfield Stage Ranch dev, in the hills on the N side of Pauba Valley, in the Rancho Calif area, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd (T7S, R2W, sec 36 457 Comment
  POM15211  Erigeron foliosus Mary F. Spencer 1922-6-21 1598 Riverside Fern Valley, Idyllwild, San Jacinto Mt 1829 Comment
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May 29 2011
  POM49138  Erigeron foliosus Mary F. Spencer 1919-6-25 1269 Riverside San Jacinto Moutains: Idyllwild. 1616 Comment
  UCR101806  Erigeron foliosus George K. Helmkamp, E. A. Helmkamp 1998-8-17 4438 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  SBBG89038  Erigeron foliosus var. foliosus B. Pitzer, K. Kirtland 1986-5-20 228 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley in the Rancho California area, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  JOTR32351  Erigeron parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2467 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
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May 18 2013
  CAS-BOT-BC189079  Eriodictyon crassifolium H. E. McMinn 1925-7-1 1519 Riverside By wash, between Palm Springs and the canyon mouth Comment
  HSC84136  Eriodictyon crassifolium H. A. Heaton 1987-5-3 25 Riverside San Jacinto Mtns., .9 mi. up Bee Canyon from Hwy. 74 503 Comment
  UC24068  Eriodictyon crassifolium var. crassifolium H. M. Hall 1899-5-20 1107 Riverside Valle Vista San Jacinto Mountains, Valle Vista (in sand washes) Comment
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Mar 27 2011
  RSA342547  Eriodictyon trichocalyx Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54099 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UCR119408  Eriodictyon trichocalyx var. trichocalyx Mitch Provance 1998-6-12 701 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  RSA783134  Eriogonum J. D. Olmsted 1959-10-23 1071 Riverside On Idyllwild Banning road, 2 miles S of turnoff to Poppett Flat. San Jacinto Mts to San Jacinto River. 1280 Comment
  POM254741  Eriogonum apiculatum P. A. Munz 1938-8-13 15333 Riverside Near Santa Rosa Peak 2317 Comment
  UCR118785  Eriogonum apiculatum G. R. Ballmer 1991-7-11 s.n. Riverside Santa Rosa Mtns., Santa Rosa Mtn Road (Truck Trail going up Santa Roas Mtn.), 12 mi SE of the junction with Hwy 74. west of Deep Canyon. Comment
  JOTR30641  Eriogonum davidsonii La Doux, Tasha, Erin Babich 2008-4-21 1803 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  RSA393168  Eriogonum davidsonii P. A. Munz 1922-9-6 s.n. Riverside North of Dark Canyon. 1524 Comment
  UCR243575  Eriogonum davidsonii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21106 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  CHSC8078  Eriogonum deflexum Edward L. Smith 1958-3-22 396 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 Comment
  GMDRC5048  Eriogonum deflexum var. deflexum J. Andre, G. L. Clifton 2011-2-22 17415 Riverside Mecca Hills: along Box Canyon Rd, 5.5 mi. NE of town of Mecca 52 Comment
  RSA27862  Eriogonum deflexum var. deflexum C. L. Hitchcock 1940-3-30 5875 Riverside Cottonwood Spring. Comment
  RSA766324  Eriogonum deflexum var. deflexum Susan Hutchinson 1932-9-20 4082 Riverside Blythe to Desert Center Chuckawalla Valley. 152 Comment
  UCR200305  Eriogonum deflexum var. deflexum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11244 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
  SEINET11937895  Eriogonum deflexum var. deflexum L. S. Rose 1936-1 36824 Riverside Hayfield, 5 mi W of Desert Center 610 Comment
  POM13305  Eriogonum elongatum E. C. Jaeger 1069 Riverside Cabazon. Comment
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Mar 13 2011
  POM184161  Eriogonum elongatum M. French Gilman 1932-11-30 9 Riverside Cabazon. Comment
  RSA443545  Eriogonum elongatum J. C. Roos 1965-9-14 s.n. Riverside Hills south of Beaumont. Comment
  SD132454  Eriogonum elongatum var. elongatum Scott White 1990-10-2 Riverside Vail Lake Area; Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UCR35098  Eriogonum evanidum L. B. Ziegler 1967-10-27 259 Riverside San Jacinto Mtns., Hemet Valley, near Thomas Mt. Subdivision 1402 Comment
  UCR268314  Eriogonum fasciculatum var. foliolosum Jim Andre 2012-6-15 30493 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
  JOTR29160  Eriogonum fasciculatum var. polifolium La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1234 Riverside Joshua Tree National Park. Key's view Comment
  LA206795  Eriogonum fasciculatum var. polifolium Norman C. Cooper; 1944-4-8 1080 Riverside Andreas Canyon 304 Comment
  RSA393339  Eriogonum fasciculatum var. polifolium Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA5601  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-10-12 4296 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  UCR20711  Eriogonum fasciculatum var. polifolium A. C. Sanders, Steve Boyd 1980-5-2 1448 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SD136782  Eriogonum gracile Steve Boyd 1994-10-14 8379 Riverside San mateo Canyon 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, NW/4 sec 28 462 Comment
  SEINET10280031 Image available Eriogonum gracile John C. Roos 1952-8-27 5888 Riverside Peninsular Range; Riverside; Pigeon Pass, Box Springs Mountains. 457 Comment
  UCR132919  Eriogonum gracile John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA595922  Eriogonum gracile var. gracile D. L. Banks, Lauren Raz 1996-11-5 1181 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  UCR69745  Eriogonum gracile var. gracile A. C. Sanders, Chet McGaugh 1991-7-19 11139 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  RSA393249  Eriogonum gracile var. incultum I. W. Clokey 1935-8-21 6593 Riverside Hemet Lake 1300 Comment
  RSA500555  Eriogonum gracile var. incultum Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3606 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  SEINET3289845 Image available Eriogonum gracile var. incultum M. W. Denslow, Firoozeh Navid- Ara; Valeria Soza 2003-7-16 1456 Riverside Peninsular Ranges; San Jacinto Mountains Region: Santa Rosa Mountains, at junction of Road 7S02 and 74, just west of Rarick Spring 1479 Comment
  UC1929522  Eriogonum gracile var. incultum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3572 Riverside [Peninsular Ranges; San Jacinto Mountains region]; Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. Near 1477 Comment
  SD119913  Eriogonum inflatum Louis B. Ziegler 1977-4-12 562 Riverside Near Desert Hot Springs, alluvial slopes down from the Little San Bernardino Mountains 381 Comment
  SEINET3087580 Image available Eriogonum inflatum John Adams 1965-4-17 135 Riverside Hwy 111, 2 mi. E of Palm Springs near foothills. 244 Comment
  UCR124640  Eriogonum inflatum B. C. Templeton, I. W. Clokey 1930-4-9 1005 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UC849554  Eriogonum inflatum var. deflatum C. L. Hitchcock 1940-4-3 5928 Riverside 1 1/2 mi ne along 29 Palms Road Cottonwood Springs; Joshua Tree National Monument Comment
  RSA25324  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  CAS-BOT-BC270592  Eriogonum molestum H. M. Hall 1901-7-1 2386 Riverside San Jacinto Mountains 1615 Comment
  UCSB9110  Eriogonum pusillum Ewan, Joseph 1929-3-23 Riverside Whitewater Cyn; Colorado Desert 457 Comment
  POM122078  Eriogonum reniforme Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UC666502  Eriogonum reniforme Annie M. Alexander and Louise Kellogg 1941-5-28 2261 Riverside e Hayfield (on bank below Metropolitan Aqueduct Road) Comment
  UCR133510  Eriogonum reniforme G. R. Ballmer 1998-4-25 s.n. Riverside Sonoran (Colorado) Desert, Salt Creek in vicinity of Orocopia Mtns., junction of county roads S041 and SR211, c. 7 miles south of Red Cloud Mine Road 450 Comment
  JEPS56264  Eriogonum thomasii W. L. Jepson 1928-4-26 12642 Riverside Whitewater Bridge San Gorgonio Pass, Whitewater Bridge Comment
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Jan 14 2010
  RSA0107796  Eriogonum thomasii Duncan S. Bell, Amanda Turek 2009-3-30 176 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  UC1018186  Eriogonum thomasii J. Warren 1952-4-6 118 Riverside Palm Springs 304 Comment
  UC1329832  Eriogonum thomasii James E. Cole 1941-4-13 579 Riverside 0.5 mi n Meek's Cabin (Pinto Pass); Joshua Tree National Monument, Pinto Pass Comment
  UCR196356  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR245231  Eriogonum thomasii Jim Andre 2012-3-19 21320 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
  UC1922708  Eriogonum thomasii Michael Honer with L. Hulse 2004-4-2 1878 Riverside Colorado Desert; Little San Bernardino Mountains region: East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. Comment
  CAS-BOT-BC262869  Eriogonum thurberi Peter H. Raven; Sidney R. Snow 1956-6-30 9542 Riverside 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  CAS-BOT-BC262873  Eriogonum thurberi S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC262329  Eriogonum vimineum Susan G. Stokes 1933-7-1 76 Riverside Beside road to Idyllwild Comment
  RSA420611  Eriogonum wrightii var. membranaceum N. R. Zabriskie, Walter Zabriskie 1972-9-7 534 Riverside Strawberry firebacks, S of S end Marion Ridge Rd., Pine Cove, W drainage San Jacinto Mountains. 1921 Comment
  UC1929523  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside [Peninsular Ranges; San Jacinto Mountains region]; Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. Near 1477 Comment
  CAS-BOT-BC297352  Eriophyllum confertiflorum Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  OBI16503  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 322 Riverside Poppet Flat along County rte 1, San Jacinto Mtns 1372 Comment
  POM357971  Eriophyllum confertiflorum Norman C. Cooper 1944-4-22 1123 Riverside Banning 701 Comment
  RSA33498  Eriophyllum confertiflorum Norman C. Cooper 1944-5-7 1184 Riverside Banning 701 Comment
  RSA772410  Eriophyllum confertiflorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4855 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
  UCR21976  Eriophyllum confertiflorum Steve Boyd 1980-5-5 208 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR26156  Eriophyllum confertiflorum John C. Roos 1948-5-1 3811 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater, N slope on a mountainside 549 Comment
  POM230230  Eriophyllum multicaule I. W. Clokey 1933-4-18 6987 Riverside Gavilan [Peak] 600 Comment
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Oct 30 2011
  POM358076  Eriophyllum multicaule Ora M. Clark 1929-4-6 1942 Riverside South of Hemet. Comment
  POM359848  Eriophyllum multicaule Steve Boyd 1986-4-2 1638 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park 610 Comment
  CAS-BOT-BC296968  Eriophyllum wallacei Carl B. Wolf 1932-5-25 s.n. Riverside NO. BASE OF SAN JACINTO MTS. SNOW CREEK CANYON. 1 MI. BELOW FISH HATCHERY 396 Comment
  RSA729265  Eriophyllum wallacei R. F. Thorne 1973-3-30 42703 Riverside Mojave Desert: southeast end Johnson Valley, c. 20 mi north of Yucca Valley and 12 mi east-southeast of Old Woman Springs. 976 Comment
  UC354505  Eriophyllum wallacei Edmund C. Jaeger 1925-5-9 Riverside Van de Venter's Flat Santa Rosa Mts., Van de Venter's Flat Comment
  RSA801742  Erodium D. M. McF 1952-9-9 s.n. Riverside Red Mtn. Southeast Hemet. Comment
  RSA612782  Erodium botrys D. L. Banks, Victor W. Steinmann 1997-3-13 1420 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  CSUSB48  Erodium cicutarium Steve Stadler 1966-3-2 030266 22 Riverside Riverside city. Found in open field west of the corner of Blain Street and Canyon Crest. 50 yards from corner in back of a house. 304 Comment
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Sep 29 2011
  RSA660625  Erodium cicutarium Bruce Albert 1982-4-17 7 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
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May 29 2011
  UC1930017  Erodium cicutarium Scott D. White, Justin Wood 2008-5-15 11969 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. Comment
  UCR201456  Erodium cicutarium Scott D. White, Justin M. Wood 2008-5-15 11969 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  SBBG99349  Erodium moschatum W. L. Halvorson 1977-3-13 77 -176 Riverside near Temecula Comment
  RSA343110  Eryngium aristulatum var. parishii R. F. Thorne, Wisura, Lathrop, S. Meury 1985-5-18 60649 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  RSA470847  Eryngium aristulatum var. parishii Robert Gustafson, Gary D. Wallace 1983-6-23 2714 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  CAS-BOT-BC54333  Erysimum capitatum Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit. Comment
  UCSB13334  Erysimum capitatum var. capitatum Atwater, Illiani 1961-5-7 Riverside Highway 74, 3.2 miles east of junction with Anza Rd., near Palm Springs 1371 Comment
  RSA0018795  Erythranthe guttata G. R. Campbell 1948-7-4 621 Riverside near Dark Canyon Public Camp Ground, north of Idyllwild. 1738 Comment
  RSA0019319  Erythranthe guttata Mary F. Spencer 1921-6-22 1671 Riverside Idyllwild. Comment
  CAS-BOT-BC403363  Eschscholzia californica W. G. Wright 1889-6-1 s.n. Riverside San Gorgonio Pass Comment
  RSA445599  Eschscholzia californica Ora M. Clark 1929-3-2 1595 Riverside Near Alberhill Comment
  UCR2990  Eschscholzia californica David T. Wright 1966-3-19 s.n. Riverside Perris-Aguanga Basin region, 3 mi. north of Perris Comment
  UC69220  Eschscholzia glyptosperma E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  SBBG23074  Eschscholzia minutiflora D. Myrick 1965-3-4 1074 Riverside Palms to Pines Hwy (St Hwy 74) 914 Comment
  SEINET5340017  Eschscholzia minutiflora N. H. Holmgren, P. K. Holmgren 1974-3-23 7465 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca. 244 Comment
  RSA0023221  Eschscholzia papastillii Barry A. Prigge 1988-2-21 7841 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  RSA0023208  Eschscholzia papastillii Curtis Clark 1976-5-8 542 Riverside Sheephole Mtns, 21.9 miles S of Amboy on road to Twentynine Palms. 640 Comment
  RSA0022916  Eschscholzia parishii P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  RSA0024819  Eschscholzia parishii Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4467 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  SEINET10871889  Eschscholzia parishii Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7466 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s. R10e. Sec 35. Common in wash. 244 Comment
  SD244188  Eucalyptus A. C. Sanders, Timothy W. Chumley 2013-3-28 40710 Riverside Peninsular Range: Alberhill, along Lake Street, 1.45 km south of I-15, near old clay mines (Alberhill 7.5'Q) 395 Comment
  UCR119265  Eucrypta chrysanthemifolia Mitch Provance 1998-6-10 635 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR214147  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37711 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  JEPS1721  Eucrypta chrysanthemifolia var. chrysanthemifolia W. L. Jepson 1901-6-1 21004 Riverside Riverside Comment
  POM160093  Eucrypta micrantha E. C. Jaeger 1927-3-23 s.n. Riverside Salt Creek Wash, Colo. Desert Comment
  POM498192  Eucrypta micrantha Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SFV6303  Eucrypta micrantha T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 57 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UCR280922  Eucrypta micrantha Fred M. Roberts 2016-3-5 7997 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  SFV17342  Euphorbia eriantha J. D. Dilley, J. N. Hogue (109.4) 1998-4-24 277 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  RSA0043053  Euphorbia jaegeri Duncan S. Bell, Evan Meyer 2014-4-1 6482 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of the range; approximately 3.3 air miles northwest of Gucci Spring; about 4 air miles north of the Bradshaw Trail. 698 Comment
  RSA716065  Euphorbia lathyris Scott D. White, Justin M. Wood 2006-9-13 11644 Riverside Perris Basin/San Jacinto Mtn Foothills: Gibbel Flat in the Santa Rosa Hills 610 Comment
  SD229139  Euphorbia lurida Dick Schwenkmeyer 2012-8-7 777 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA314623  Euphorbia misera R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55410 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  JEPS26605  Euphorbia palmeri Peter Kamb 1948-7-4 1166 Riverside Hall Canyon; San Jacinto Mts 1645 Comment
  UC17654  Euphorbia palmeri H. M. Hall May 1899 1116 Riverside Strawberry Valley; San Jacinto Mountains 1828 Comment
  RSA697601  Euphorbia polycarpa Elisabeth Norland 1930-5-18 2 Riverside Shavers Well Comment
  UCR100877  Euphorbia polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2696 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR166542  Euphorbia polycarpa Scott D. White, Jennifer H. Jones 2005-4-12 10874 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  RSA0059013  Euphorbia polycarpa var. hirtella Edmund C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. south of Hayfields Reservoir. 427 Comment
  UC73478  Eustoma exaltatum Geo. R. Hall 1905-9-3 Riverside Riverside Comment
  CAS-BOT-BC171039  Fagonia laevis P. A. Munz; R. D. Harwood 1920-4-3 3578 Riverside 30 mi. west of Blythe 365 Comment
  POM293999  Fagonia laevis Lyman D. Benson 1949-3-28 13562 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  UC217900  Fagonia laevis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4790 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mts. 457 Comment
  UCSB41347  Fagonia laevis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Rd 7 miles southwest of junction with Chuckwalla Rd. 457 Comment
  UCR88155  Fatoua villosa A. C. Sanders, Steve Morgan 1994-10-7 15832 Riverside Box Springs Mtns., UCR Botanic Garden Comment
  UCR2399  Festuca microstachys F. M. Reed 1907-4-4 6143 Riverside City of Riverside. Arroyo Tequesquite Comment
  OBI53610  Festuca myuros Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck Trl Comment
  UCR137492  Festuca octoflora D. L. Banks, V. W. Steinmann 1997-3-13 1524 A 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
  UCR174603  Festuca octoflora A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32490 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR213600  Festuca octoflora A. C. Sanders, Matthew Malle 2010-4-23 37988 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR250906  Filago arizonica A. C. Sanders 2014-4-18 41021 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  RSA0018454  Frangula californica subsp. cuspidata D. Charlton 1988-5-21 1974 Riverside Thomas Mountain Road, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74. 1829 Comment
  CLARK-A1528-2930  Frankenia grandifolia John C. Roos 1965-6-30 Riverside Perris Comment
  RSA450205  Frankenia grandifolia J. C. Roos 1965-6-30 s.n. Riverside Perris. Comment
  CAS-BOT-BC223695  Frankenia salina J. C. Roos 1965-6-30 s.n. Riverside Perris Comment
  JEPS30103  Frankenia salina W. L. Jepson May 17 1901-Jun 1 1901 1239 Riverside San Jacinto Lake bed Comment
  UCR58483  Fraxinus dipetala Ed LaRue 1989-1 s.n. Riverside foothills of San Bernardino Mtns, Hills east of Beaumont, along Potrero Creek, 0.5 mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  CAS-BOT-BC211021  Fraxinus velutina J. Ewan 1931-10-3 517 Riverside Santa Ana River, 4 mi. N.W. of Corona Comment
  SD255221  Fraxinus velutina Duncan S. Bell, Josh Brito and John Woodruff 2015-7-15 8552 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  POM3542  Fraxinus velutina var. coriacea I. M. Johnston 1917-12-1 1804 Riverside Santa Ana River, NW of Corona. 183 Comment
  RSA359516  Fritillaria biflora Steve Boyd 1986-3-9 1377 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain 427 Comment
  UC1537226  Fritillaria biflora Gordon H. True Jr. 1935-4-5 219 Riverside Gavilan Hills 609 Comment
  UCR240766  Fumaria officinalis O. F. Clarke 2004-3-13 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA638869  Funastrum cynanchoides var. hartwegii Scott D. White 1998-10-9 7169 Riverside Corona, near Bedford Canyon: ''Joseph Canyon' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  UCR256803  Funastrum cynanchoides var. hartwegii T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7865 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 500 Comment
  POM97113  Funastrum cynanchoides var. hartwegii P. A. Munz 1925-5-20 9845 Riverside Aguanga Valley Comment
  POM259736  Funastrum hirtellum E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon branching from Fargo Canon 5 mi. east Indio. 244 Comment
  RSA0029199  Funastrum hirtellum John F. Emmel 1997-10-20 1533 Riverside Joshua Tree National Park: Pinto Wells Road, 0.5 road mi north of park boundary. 302 Comment
  SEINET10862447  Funastrum hirtellum Thorne 1979-8-23 THORNE 54607 Riverside Pinto Basin Road, Cholla Garden 1097 Comment
  UCR232391  Funastrum utahense Dave Silverman 2010-3-30 7886 B Riverside Sonoran (Colorado) Desert, East bajada flank of southern McCoy Mtns, 1 km west of Black Creek Rd, 7.8 km east of McCoy Peak, and 4.8 km N of I-10 165 Comment
  UC28154  Galium andrewsii subsp. andrewsii H. M. Hall May 1899 1155 Riverside Kenworthy San Jacinto Mountains 1524 Comment
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Mar 25 2011
  SD236403  Galium angustifolium A. C. Sanders, Tim Thomas 2008-8-1 35937 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  UCR131830  Galium angustifolium Jennie Phui 1998-5-30 039 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
  JEPS7861  Galium angustifolium subsp. angustifolium Carl V. Meyer 1928-7-30 579 Riverside Saunder's Meadow San Jacinto Mts. 1706 Comment
  POM50549  Galium angustifolium subsp. angustifolium H. M. Hall 1901-07 2509 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA612596  Galium angustifolium subsp. angustifolium C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Between Pine Flat Camp and Fuller's Mill. Comment
  RSA741580  Galium angustifolium subsp. angustifolium Scott D. White, Justin M. Wood 2008-6-17 12175 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  POM46823  Galium angustifolium subsp. gracillimum Mary F. Spencer 1920-4-6 1476 Riverside Palm Springs. 122 Comment
  SD229269  Galium angustifolium subsp. gracillimum Dick Schwenkmeyer 2012-8-28 820 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UCR4674  Galium angustifolium subsp. jacinticum Frank C. Vasek 1964-7-25 640725- 25 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  UCR147543  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1279 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  JEPS74651  Galium nuttallii subsp. nuttallii Lauramay T. Dempster and G. L. Stebbins 1967-3-19 4332 Riverside just n of county line s Temecula Comment
  UCR138808  Galium porrigens var. porrigens D. L. Banks, J. Moreno 1997-2-5 1252 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  POM367818  Galium stellatum M. B. Dunkle 1933-5-6 3427 Riverside Canyon N. of Cathedral Canyon. Comment
  RSA19550  Galium stellatum Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9544 Riverside Cottonwood Springs Canyon. Comment
  CLARK-A1528-2936  Garrya flavescens John C. Roos 1947-3-15 3336 Riverside San Jacinto Mountains 1066 Comment
  SD90096  Garrya flavescens subsp. pallida Nancy Ryan Zabriskie, Walter Zabriskie 1972-10-22 545 Riverside N. slope of Santa Rosa Mts, Deep Canyon, By Cactus Spring trail crossing of Horsethief Creek tributary Comment
  POM280062  Garrya flavescens var. pallida C. Epling 1932-5-28 s.n. Riverside Perris-Hemet. Comment
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Nov 3 2011
  UCR177113  Garrya veatchii Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1106 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  SD148102  Gaura drummondii A. C. Sanders, Steven R. Hill 2001-5-4 24127 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Road, along bottom of canyon west of junction of Ave. Pina Colada. 345 Comment
  OBI5886  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1932-8-5 3932 Riverside Summit of Devil's slide Trl from Idyllwild to Tahquitz Valley, San Jacinto Mts 2438 Comment
  RSA681879  Gazania linearis Scott D. White 2001-3-13 8165 Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  UCR95323  Gazania linearis Steve Boyd 1996-4-14 8546 Riverside Santa Ana Mtns., along Main Divide Road, just east of Sierra Peak at divide between Fresno and Fremont canyons. 884 Comment
  HSC25080  Geraea canescens Richard Spjut 1972-2-7 2175 Riverside Riverside/ San Bernardino Co.; Colorado Desert: along roadside from 4 to 10 mi. W of Rice (N end of Maria Sand Dunes) along Hwy. to Tewnty-nine Palms Hwy. to Desert Center 305 Comment
  UC896831  Geraea canescens C. L. Hitchcock 1940-4-4 5946 Riverside Pinto Basin Comment
  UCR178339  Gilia Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 653 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA606302  Gilia angelensis Jon E. Keeley 1994-4-22 25337 Riverside Shipley Reserve. 590 Comment
  UC1178638  Gilia angelensis Peter Kamb 1948-5-2 929 Riverside above Banning (n slope of the San Jacinto Mts.); San Jacinto Mts. 1066 Comment
  UC1228382  Gilia angelensis C. L. Hitchcock and C. V. Muhlick 1962-3-16 22127 Riverside 8 mi s Corona; Temescal Canyon Comment
  UC494754  Gilia angelensis Philip A. Munz 1932-3-24 12024 Riverside n Elsinore; n of Elsinore 304 Comment
  UCR114822  Gilia angelensis Mitch Provance, Seychelle Provance 1998-2-21 90 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  SD197858  Gilia capitata subsp. abrotanifolia Peter L. Morrell, D. L. Banks 1995-5-4 461 Riverside Agua Tibia Wilderness Area, 2.4 miles (air) westsouthwest of Radec. 622 Comment
  RSA171358  Gilia diegensis J. D. Olmsted 1962-5-3 3530 Riverside Santa Rosa Indian Reservation, following SW flank of mountains; 1/2 mi. SE of turn up to old Indian Village. 1768 Comment
  RSA72319  Gilia diegensis F. W. Peirson 1917-4-1 925 Riverside Along south edge of Colorado Desert embayment east of Palm Springs, above ''Garden of Eden'. Comment
  UCR51964  Gilia filiformis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2173 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UC69315  Gilia latifolia L. A. Greata Apr. 1905 Riverside Coachella Comment
  UCR86151  Gilia maculata A. C. Sanders, M. Skinner 1995-4-6 16394 Riverside Sonoran (Colorado) Desert, NW end of Coachella Valley, wash east of Hwy 62 and south of Indian Avenue; 0.45 mi. south of Indian on Worsley Road 500 Comment
  RSA0083764  Gilia ochroleuca subsp. exilis Scott D. White, Tasha La Doux 2000-4-20 7698 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SEINET13203141 Image available Gilia ochroleuca subsp. exilis A. C. Sanders 1994-1 14576 Riverside San Bernardio Mountains: East Branch Millard Canyon, along FS Road 4S45. (T2S, R2E, N/2 sec.21.) 1200 Comment
  RSA0016280  Gilia ochroleuca subsp. exilis C. W. Tilforth, B. Busenberg 1980-6-10 1992 Riverside Along Thomas Mtn. Rd., west of Hwy 74 and south of Lake Hemet. Comment
  RSA0017051  Gilia ochroleuca subsp. exilis R. C. Bacigalupi, L. Heckard 1962-3-25 8400 Riverside Temescal wash, near Arcilla siding of the A.T. & S.F. railway, just below and east of state highway 71. About 10 air miles northwest of Elsinore. 290 Comment
  RSA0017090  Gilia ochroleuca subsp. exilis D. L. Banks, Rashmi Pant 1996-5-13 1014 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along the base of a xeric, arkose ridge, in a small drainage, approximately 400 m E of the Dripping Springs Guard Station, just S of Hwy. 493 Comment
  RSA0017104  Gilia ochroleuca subsp. exilis P. A. Munz 1927-5-20 10867 Riverside Cohuila. Comment
  JOTR30237  Gilia sinuata Leary, C. and Leary, Pat 1979-5-5 3000 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6. Comment
  RSA23227  Gilia stellata Ernest Braunton 1940-4-3 2018 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA775101  Gilia stellata Duncan S. Bell, Michael Hee 2011-3-18 2052 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  SD255245  Gilia stellata Duncan S. Bell, Andrew Chambers 2015-3-12 7785 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgonio Wilderness area; Whitewater Canyon; about 0.75 air miles NE of Red Dome. 863 Comment
  UC68723  Gilia stellata H. M. Hall Apr., 1905 5790 Riverside 10 mi w Indio (Colorado Desert); , w of Indio 30 Comment
  UCR159200  Glinus lotoides A. C. Sanders, Kelly Volansky 2005-8-31 31591 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  SD146272  Glycyrrhiza lepidota A. C. Sanders, Mitch Provance and B. Pitzer 2000-9-27 23678 Riverside Southwest side of Mt. Rubidoux, northwest of intersecdtion of Tequesquite Ave. and Gregory Rd., nbear confluence of Arroyo Tequesquite and the river. 231 Comment
  RSA522097  Gnaphalium microcephalum Steve Boyd, Orlando Mistretta 1989-7-18 3765 Riverside Vail Lake Area, Temecula Creek Canyon 0.5 mi W of dam 421 Comment
  CAS-BOT-BC307402  Gnaphalium palustre Steve Boyd 1986-5-7 1845 Riverside Terrace escarpment between Horsethief wash and Indian Truck Trail south of I-15, Temescal Canyon Comment
  UCR27182  Gnaphalium stramineum A. C. Sanders, S. Hagopian 1981-5-20 2138 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCSB1695  Grayia spinosa Leeuwen, Henry 1957-4-13 Riverside White Water Canyon about 2 miles from U.S. 60 Comment
  RSA0106694  Guillenia lasiophylla Duncan S. Bell, Thomas Stoughton 2010-3-19 562 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2 air miles west of Priest Well. 449 Comment
  RSA85146  Guillenia lasiophylla J. C. Roos 1952-4-9 5500 Riverside Mt Rubidoux. 396 Comment
  RSA736547  Gutierrezia californica Scott D. White, Angelia Carey 2004-7-2 10586 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD40820  Gutierrezia microcephala Carl B. Wolf 1932-10-13 4313 Riverside Colorado Desert, Eagle Mountains, Cottonwood Springs. 289 Comment
  UCR163666  Haplopappus acradenius John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  UCR60270  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3133 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  RSA0066624  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temescal Canyon: Along DePalma Rd between Indian Truck Trail and Horsethief Canyon. 1 mi. E of Indian Truck Trail. Comment
  RSA0066634  Harpagonella palmeri D. L. Banks, S. D. Boyd 1995-3-15 57 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 683 Comment
  UC32217  Helenium bigelovii H. M. Hall 1897-8-13 848 Riverside San Jacinto Mt. 1828 Comment
  CAS-BOT-BC211543  Helianthemum scoparium P. C. Everett 1935-6-18 7175 Riverside San Juan Canyn, near Ortega Highway on road to Santiago Pk., Santa Ana Mts. 701 Comment
  RSA609927  Helianthemum scoparium var. scoparium R. S. Woglum 1937-5-22 521 Riverside Peninsular Ranges: Northwest of the Palomar Mountains, Temecula. Comment
  POM360004  Helianthus gracilentus N. C. Cooper 1947-6-9 C- 2803 Riverside Los Alamos Canyon, Elsinore 762 Comment
  RSA500137  Hemizonia kelloggii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3673 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA675707  Hemizonia kelloggii Scott D. White 2000-10-24 8143 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 610 Comment
  UCR116790  Hemizonia kelloggii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24156 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR125226  Hemizonia kelloggii Mitch Provance, Twoc Tran 1998-5-30 562 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  UCR268588  Hemizonia kelloggii Jim Andre 2012-6-15 30542 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR128946  Hemizonia mohavensis Robert Noll 2003-8-7 s.n. Riverside San Jacinto Mtns., along dirt road to Bee Canyon, c. 1 mile below Hwy 243 1372 Comment
  RSA663304  Hemizonia paniculata Mitch Provance 1998-6-20 704 Riverside Jurupa Mountains: Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR161282  Hemizonia paniculata Chet McGaugh 2005-9-27 s.n. Riverside Santa Ana River Valley, Rubidoux, Riverview Drive and Avenue Juan Diaz, west of the Rubidoux Nature Center and c. 0.25 mi N of the Santa Ana River 220 Comment
  UCR182427  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-5-12 6702 Riverside Granitie Knolls and Mesas of Riverside, South Riverside (Prenda area), vicinity of the Prenda Arroyo, near the spillway of the Woodcrest Dam. 335 Comment
  UCR241794  Hemizonia paniculata A. C. Sanders, Dave King 2013-4-11 40790 Riverside Peninsular Range; SE edge Gavilan Hills, hills east of Hwy 74 and south of Perris, SCE power line route NE of intersection of Theda and Eugene streets 511 Comment
  UCR280828  Hemizonia paniculata T. B. Salvato, Gregg Miller 2005-6-3 1407 Riverside Peninsular Range; Perris-Aguanga Basin Region, edge of Gavilan Hills ca 3.5 mi SW of Perris, 1.4 mi SE of Steele Peak, and 0.5 mi NNW of Good Hope Mine, E of Hwy 74 534 Comment
  UCR162884  Hemizonia pungens subsp. laevis Fred M. Roberts 1993-5-16 4883 Riverside Hemet, W side of Old Warren Road, c. 0.75km N Florida Avenue near Devonshire Road, c. 1.2km WSW summit of Tres Cerritos Hills 459 Comment
  UCR55656  Hemizonia pungens subsp. laevis L. F. LaPre, Jack Easton 1988-7-10 s.n. Riverside Perris-Aguanga Basin Region, San Jacinto River, 1 mi east of Perris [near Case Rd.] 427 Comment
  UCR80664  Hemizonia pungens subsp. laevis G. R. Ballmer 1992-6-23 92 10 Riverside San Timoteo Canyon, 3.2 mi SE of Redlands Blvd. Comment
  UCR85574  Hemizonia pungens subsp. laevis Julie A. Greene 1993-4-10 1176 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  IRVC14057  Hesperocallis undulata C. A. Taylor 1966-4-8 66 83 Riverside 15 Mi E of 29 Palms, off road to Parker Dam. Mojave Desert 610 Comment
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Nov 30 2014
  UCR201702  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-17 12154 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UCR24935  Heterocodon rariflorum A. C. Sanders 1981-7-19 1691 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  SDSU4589  Heterotheca grandiflora James C. Dice, J. Dewald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T3S, R3S, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  RSA479918  Heterotheca sessiliflora subsp. echioides Steve Boyd 1987-9-27 2091 Riverside Peninsular Range Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek. 366 Comment
  UCR119441  Heterotheca sessiliflora subsp. echioides A. C. Sanders, Mitch Provance 1999-9-26 23088 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  CAS-BOT-BC203350  Hibiscus denudatus Edmund C. Jaeger 1922-4-12 s.n. Riverside Martinez Canon [Canyon], Colorado Desert 304 Comment
  RSA0124820  Hibiscus denudatus Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8752 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  RSA676053  Hibiscus denudatus Scott D. White 2001-4-3 8261 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR161283  Hibiscus denudatus Mark A. Elvin 2005-4-26 4231 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley/Indio Hills; [pipeline route, south of mouth of Fargo Canyon] N of I-10 198 Comment
  RSA0107461  Hilaria rigida Duncan S. Bell 2011-9-30 2944 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA674575  Hoffmannseggia microphylla Scott D. White, Brian Leatherman 2000-10-5 8135 Riverside Near Berdoo canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Canyon. On the S-facing bajada of the Little San Bernardino Mts. 183 Comment
  RSA597947  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Old abandoned field in Santa Ana River bottom above West Riverside Bridge. 244 Comment
  RSA741080  Holcus lanatus Scott D. White, Justin M. Wood 2008-6-16 12108 Riverside Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR76162  Hordeum depressum A. C. Sanders 1993-4-1 13661 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UCR266342  Hordeum intercedens D. E. Bramlet 1996-4-18 2457 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife area, c. 762 m NE of Lakeview, 122 m east of Davis Rd. and 40 m north of Marvin Rd 434 Comment
  UCR117649  Hordeum marinum subsp. gussoneanum Scott D. White, M. Jacobsmeyer 1996-4-20 3972 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
  POM12102  Horkelia clevelandii Mary F. Spencer 1921-6-15 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC114268  Horkelia clevelandii T. S. Brandegee 1889-7-1 Riverside San Jacinto Mts. Comment
  UCR35161  Horkelia clevelandii L. B. Ziegler 1967-8-2 198 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  CLARK-A1528-1951  Hulsea vestita John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC312592  Hulsea vestita subsp. callicarpha F. R. Irvine 1958-6-27 s.n. Riverside Santa Rosa Indian Reservation Comment
  UCR91916A  Hydrocotyle umbellata A. C. Sanders, S. Hawkins 1996-4-24 18089 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  POM308643  Hymenoclea salsola Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3206 Riverside Near Indio. Comment
  RSA33501  Hymenoclea salsola N. C. Cooper 1944-4-23 1120 Riverside Cabazon 457 Comment
  RSA78308  Hymenopappus filifolius var. lugens P. A. Munz, E. K. Balls 1952-8-21 17987 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  CAS-BOT-BC400801  Hypericum anagalloides Carl B. Wolf 1932-8-5 3960 Riverside San Jacinto Mts. 1st. Real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak 2743 Comment
  UC65036  Hypericum anagalloides H. M. Hall 1897-6-16 659 Riverside San Jacinto Mt. Comment
  UCR126384  Hypochaeris glabra A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 693 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  GMDRC4154  Hyptis emoryi J. Andre, T. La Doux 2010-2-28 12550 Riverside Lower Colorado River Valley: along Hwy 95 approx 25 mi. north of Blythe, on east side of Big Maria Mountains 83 Comment
  JOTR34309  Hyptis emoryi Andre, Jim 2012-4-11 20724 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  LA61521  Hyptis emoryi Mary F. Spencer; 1922-4-5 296 Riverside Eagle Canyon, Palm Springs Comment
  LA61592  Hyptis emoryi Martha Hilend; 1929-3-24 sn Riverside Thousand Palms Comment
  PASA1158  Hyptis emoryi 1930-3-30 Riverside Painted Canyon Comment
  UCD124918  Hyptis emoryi Geoffrey Levin 1974-3-30 9 Riverside Chino Canyon below the tramway. San Jacinto Mts. Mt. Range. 426 Comment
  CAS-BOT-BC311617  Isocoma acradenia var. eremophila S. B. Parish 1912-6-28 8117 Riverside Mecca Comment
  JEPS19097  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Indio Salton Basin -6 Comment
  JEPS19108  Isocoma acradenia var. eremophila W. L. Jepson 1914-5-21 6039 Riverside about Indio 7 Comment
  LA203673  Isocoma acradenia var. eremophila Charles Bogert; 1932-4-17 4006 Riverside Indian Wells Comment
  LA203682  Isocoma menziesii var. vernonioides W. Pequegnat; 1937-8-25 Riverside Santa Ana Mountains, Glen Ivy Trail 358 Comment
  SD181693  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Corona, near Bedford Canyon. 334 Comment
  UCR117329  Isocoma menziesii var. vernonioides Mitch Provance 1998-6-11 655 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  RSA199008  Isoetes howellii R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37420 Riverside Santa Rosa Plateau: near roadside, Rancho California. Santa Ana Mountains 610 Comment
  UCR193294  Isoetes orcuttii A. C. Sanders, Tim Thomas 2008-6-20 35544 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR193358  Isoetes orcuttii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35625 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  RSA774504  Isomeris arborea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4426 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
  RSA0035136  Isomeris arborea Carol Haines 1964-3-23 s.n. Riverside Porcupine Wash, Pinto basin. 762 Comment
  SEINET12007321  Isomeris arborea J. F. Bright, Wyman, C. 1933-1 8004 Riverside near Palm Springs Comment
  SEINET8727088 Image available Isomeris arborea Lewis S. Rose 1938-1 38323 Riverside Palm Springs. 137 Comment
  UCR246589  Iva axillaris A. C. Sanders 2012-3-22 39990 Riverside Peninsular Range; Elsinore Valley, city of Lake Elsinore, 0.4 km SW (210 deg. ) of intersection of Riverside Dr. and Collier Ave. 385 Comment
  RSA0005613  Ivesia callida Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
  RSA596109  Jepsonia parryi D. L. Banks 1996-11-7 1204 A 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
  UCR241847  Juglans A. C. Sanders 2013-4-17 40804 Riverside Peninsular Range; Eastern Foot of Gavilan Hills, Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km west of Hammack Ave. 505 Comment
  RSA0097765  Juglans californica Marc A. Baker, Michelle Cloud-Hughes 2015-7-7 18400 Riverside San Gorgonio River, 2 km south of Cabazon, 2.6 km NNW of Hurley Flat, 26 km WNW of central Palm Springs. 510 Comment
  UCR91457  Juglans californica Scott D. White 1995-3-30 2683 Riverside San Jacinto Valley, Moreno Valley: base of Badlands slopes, north of Highland Blvd & west of Theodore St 579 Comment
  CAS-BOT-BC110072  Juncus acutus L. R. Abrams 1926-3-26 11071 Riverside Palm Canyon. Comment
  POM12679  Juncus bufonius Phillip A. Munz 1922-9-6 6377 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  UCR117384  Juncus bufonius A. C. Sanders, T. B. Salvato 2001-5-25 24385 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR121176  Juncus bufonius D. E. Bramlet 1991-5-2 2111 Riverside Crown Valley, c. 2300 ft. (~0.44 mi.) SE of Rawson Road 701 Comment
  UCR241393  Juncus bufonius T. B. Salvato 2013-3-22 7395 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  RSA708221  Juncus bufonius var. bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside Indian Creek and adjacent foothills. 549 Comment
  UC1601813  Juncus macrandrus H. M. Hall Jul 1901 2248 Riverside Fuller's Mills San Jacinto Mountains Comment
  UC1601812  Juncus oxymeris H. M. Hall Jul 1901 Riverside vicinity Deer Springs; San Jacinto Mts. 2590 Comment
  UCR193370  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35636 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
  UCR109759  Juncus rugulosus T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Strawberry Creek at Hwy 74 899 Comment
  RSA707987  Juncus textilis Scott D. White, Angelia Carey 2004-5-7 10349 Riverside Indian Creek and adjacent foothills. 549 Comment
  RSA0123105  Juniperus californica Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9012 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
  RSA297031  Juniperus californica John F. Emmel 1974-3-3 473 Riverside Canyon 0.5 air mile E. & ENE of peak 4416 on 1956 USGS topographic quad., N. end Coxcomb Mts. 1219 Comment
  UC64447  Juniperus californica W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1826 Riverside e base San Jacinto Mt. 1219 Comment
  UC813457  Juniperus californica Ivan Johnston 1917-4-4 1104 Riverside desert hillsides bordering Palm Canyon; Colorado Desert 762 Comment
  UCR90975  Juniperus californica Scott D. White 1995-12-30 3803 Riverside Perris Basin, SW of Perris, above S bank of San Jacinto River. 442 Comment
  UC1007183  Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 mi. s. Cottonwood Springs; Eagle Mts. 457 Comment
  UC1329995  Justicia californica James E. Cole 1941-3-30 455 Riverside Cottonwood Spring Wash Joshua Tree Nat'l Monument, Cottonwood Spring Wash Comment
  UCD123746  Keckiella antirrhinoides T. B. Salvato; Kent Beaman 2005-5-16 784 Riverside San Jacinto Mtn. foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy. 74. 549 Comment
  CAS-BOT-BC236725  Keckiella antirrhinoides subsp. microphylla B. D. Stark 1933-5-13 4987 Riverside 8 mi. up on the Palms to Pines Highway, San Jacinto Mts. 1219 Comment
  UCR123861  Keckiella antirrhinoides subsp. microphylla Steven R. Hill 2001-5-3 33676 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA0117832  Keckiella antirrhinoides var. antirrhinoides Sarah J. J. De Groot, Thomas Stoughton 2016-4-20 7809 Riverside Along the Pacific Crest Trail just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 769 Comment
  JOTR31063  Keckiella antirrhinoides var. microphylla La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2045 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  UCR165831  Keckiella cordifolia T. B. Salvato, John F. Green 2004-5-27 637 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
  SD28119  Keckiella rothrockii var. jacintensis Carl B. Wolf 1932-8-5 3933 Riverside San Jacinto Mts. Summit of Devil's Slide Trail from Idyllwild to Taquitz Valley 2438 Comment
  UCR182441  Koeleria gerardi Mitch Provance 2001-3-11 4630 Riverside San Bernardino Valley, Sunnyslope, Armstrong Rd. c. 0.5 miles south of the Riverside/San Bernardino Co. line 305 Comment
  SD152990  Koeleria macrantha Steve Boyd, Tim Ross 1992-5-4 7177 B Riverside San mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  UCR201625  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12135 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  CAS-BOT-BC61431  Krameria bicolor S. B. Parish 1916-5-13 10853 Riverside Cottonwood Springs, Colorado Desert Comment
  UCD107155  Krameria erecta Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9002 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills. 854 Comment
  RSA0042112  Krameria grayi Duncan S. Bell, LeRoy Gross 2014-3-20 6283 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UC1563078  Krameria grayi Steve Boyd and Orlando Mistretta 1986-3-13 1477 Riverside ne Desert Center (first large canyon at nw tip of western segment of range); w side Palen Mts Comment
  RSA784731  Lactuca serriola Duncan S. Bell 2012-3-18 3198 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  POM352656  Lamarckia aurea N. C. Cooper 1944-4-22 1128 Riverside Banning. 732 Comment
  UCR3813  Langloisia matthewsii Frank C. Vasek 1964-4-12 640412- 07 Riverside Sonoran (Colorado) Desert, 29 Palms Road, 2.9 mi south of San Bernardino Co line, 1.5 mi from the junction with Rice Road Comment
  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
  POM259715  Langloisia setosissima subsp. punctata P. A. Munz 1940-3-23 15671 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs 610 Comment
  SBBG64743  Langloisia setosissima subsp. setosissima M. N. Ackley 1928-4-1 Riverside between Indio and Palm Springs 60 Comment
  UCR280923  Larrea tridentata Fred M. Roberts 2016-3-5 7987 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: west end, 4.3 km E Palen Pass and 2.2 km W 'Peak 602" 113 Comment
  VVC519  Larrea tridentata W. W. Mayhew 1959-2-3 s.n. Riverside Colorado Desert, 10 miles east of Desert Center. 198 Comment
  SEINET10406507 Image available Larrea tridentata S. C. Mason 1908-1 Riverside Palm Springs Comment
  SEINET10479878  Lastarriaea coriacea James L. Reveal 1988-5-23 Reveal 6865 Riverside Along California Highway 75 at milepost 48, 3 miles east of Fairview Avenue in Valle Vista, on sandy granitic soil north of the highway and south of the San jacinto River, associated with Encelia and Eriogonum at about 2000 feet elevation. Sec. 10, T5S, R1E. 610 Comment
  CAS-BOT-BC338912  Lasthenia californica Scott D. White; Julie Greene 1997-3-12 4774 Riverside Perris Basin, W Riverside Co. Sun City: Near I-215 Freeway, S of Perris and N of Menifee. Low hills E of Bavaria Dr. 490 Comment
  RSA361596  Lasthenia coronaria N. C. Cooper 1944-3-25 997 Riverside Cabazon. 457 Comment
  UCR102761  Lasthenia coronaria B. G. Pitzer 1998-3-7 3586 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  POM13000  Lasthenia gracilis P. A. Munz, I. M. Johnston 1922-5-19 5420 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA356712  Lasthenia gracilis R. F. Thorne 1975-5-20 45512 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  RSA563905  Lasthenia gracilis A. C. Sanders 1993-4-5 13694 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  UCR225623  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-28 38829 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  RSA190625  Lathyrus vestitus subsp. alefeldii L. B. Ziegler 1967-6-25 s.n. Riverside Flat above Kenworthy Ranger Station, south end of San Jacinto Mountains 1555 Comment
  RSA406645  Lathyrus vestitus subsp. alefeldii Gale Sphon 1955-3-5 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA5013  Lathyrus vestitus subsp. alefeldii Dorothy R. Wolf 1932-3-20 13 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  POM2641  Lathyrus vestitus subsp. laetiflorus P. A. Munz 1918-4-27 2127 Riverside Elsinore Comment
  RSA524236  Lathyrus vestitus var. alefeldii Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3996 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SDSU13342  Lathyrus vestitus var. alefeldii C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, Insect Trail. 1.5 miles NE of Gavalin Mtn. 372 Comment
  SDSU4457  Lathyrus vestitus var. alefeldii H. Wedberg 1962-4-20 904 Riverside 13.4 miles from Hwy 79 in Hemet, and 5.5 miles from Cranston ranger Station on road to Idyllwild. Climbing over shrubs in caparral. Comment
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Oct 13 2011
  UC864430  Lathyrus vestitus var. vestitus P. A. Munz and I. M. Johnston 1922-5-19 5397 Riverside San Jacinto Canyon 1371 Comment
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Oct 1 2011
  RSA171370  Layia glandulosa J. D. Olmsted 1962-5-3 3540 Riverside Along road from Santa Rosa Indian Reservation to Old village, West of Santa Rosa Peak 1494 Comment
  UC30626  Layia glandulosa H. M. Hall 1899-5-1 1162 Riverside Coyote Canyon San Jacinto Mountains, El Toro Mt., Coyote Canyon Comment
  CLARK-A1528-1982  Layia platyglossa John C. Roos 1947-3-21 3364 Riverside Reche Canyon Comment
  JEPS40035  Layia platyglossa Carl V. Meyer 1929-6-18 766 Riverside near Hemet Lake Hemet Valley; San Jacinto Mts. Comment
  UC144246  Layia platyglossa C. F. Baker 1904-4-4 4120 Riverside Elsinore Comment
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Jul 4 2010
  UC62889  Layia platyglossa H. M. Hall 1902-4-26 2988 Riverside vicinity Riverside 426 Comment
  UC63243  Layia platyglossa H. M. Hall 1901-6-1 2041 Riverside s side San Jacinto Mountains 1341 Comment
  UC828957  Layia platyglossa P. A. Munz and I. M. Johnston 1922-5-20 5453 Riverside 2 mi below Kenworthy; San Jacinto Mountains 1402 Comment
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Mar 25 2011
  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
  UCR114957  Lepidium dictyotum var. acutidens Fred M. Roberts 1992-4-25 4874 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  RSA4955  Lepidium fremontii C. B. Wolf 3043 Riverside Colorado Desert, 3/4 miles W of Utopia on the mecca Blythe raod. 152 Comment
  UC170137  Lepidium fremontii E. E. Schellenger 1895-12-5 92 Riverside Chuckawalla Bench Colorado Desert Comment
  POM93923  Lepidium fremontii Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  POM184738  Lepidium lasiocarpum var. lasiocarpum C. L. Hitchcock 1932-4-9 12227 Riverside White tanks, eastern Riverside. Comment
  SD136238  Lepidium latifolium Dylan T. Hannon 1993-5-6 175 Riverside Norco, ca 3 miles west of Interstate 15, along north side of Santa Ana River bordering dairy fields Comment
  HSC101364  Lepidium virginicum subsp. menziesii D. E. Bramlet 1998-6-4 2633 Riverside North Domenigoni Hills, 3.8 mi. ESE (97 deg. ) of Winchester 608 Comment
  CAS-BOT-BC60107  Lepidium virginicum var. menziesii Mary F. Spencer 1919-6-18 1327 Riverside San Jacinto Mountains. 1615 Comment
  RSA495818B  Lepidium virginicum var. virginicum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2928 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA586324  Lepidium virginicum var. virginicum D. L. Banks, S. D. Boyd 1995-5-3 189 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  CAS-BOT-BC328099  Lepidospartum squamatum J. Beley 1974-2-20 0057 Riverside Magnolia Rd., 0.5 mi S of Cabazon Comment
  RSA289819  Lepidospartum squamatum B. A. Prigge 1980-9-16 4037 Riverside Coachella Valley Stormwater Channel; east of Point Happy at Washington St. x channel 21 Comment
  UCR34937  Lepidospartum squamatum L. B. Ziegler 1964-10-13 046 Riverside San Jacinto Mtns., Mouth of Hamilton Creek where it opens into Cahuilla Valley 1220 Comment
  CDA32436  Leptochloa uninervia G. D. Barbe 1973-10-19 1733 b Riverside Cotton field, southeast corner of Van Buren and Road 62, west of Thermal 0 Comment
  RSA0004786  Leptodactylon jaegeri E. C. Jaeger 1921-7-1 s.n. Riverside Tahquitz Peak, San Jacinto Mts. Comment
  JEPS44377  Leptodactylon pungens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4257 Riverside just below Toro Peak (i.e. s of the saddle e of the peak); Santa Rosa Mts., just below Toro Peak 2499 Comment
  SD3882  Leptosiphon liniflorus Florence Youngberg 1933-8-28 Riverside San Jacinto Mountains; Idyllwild Pines. Comment
  POM17544  Leptosiphon pygmaeus subsp. pygmaeus H. Baer 1923-5-6 s.n. Riverside 1 mile east of Alberhill Comment
  RSA6039  Lessingia glandulifera var. glandulifera Carl B. Wolf 1932-8-4 3925 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  POM14446  Leymus triticoides P. A. Munz 1922-6-23 5779 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784] 1372 Comment
  CAS-BOT-BC130879  Lilium parryi Mrs. E. C. Van Dyke 1928-7-20 s.n. Riverside Idyllwild Comment
  SD229046  Lilium parryi Dick Schwenkmeyer 2012-6-27 738 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCR224046  Limonium duriusculum Justin M. Wood 2009-11-30 1386 Riverside Southwest Perris Basin, Temecula, Murrieta Creek, downstream of 1st Street Bridge 305 Comment
  RSA736765  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  CAS-BOT-BC225694  Linanthus californicus A. M. White 1974-6-5 1370 Riverside Indian Road ca 15 mi. W. Sun City 1219 Comment
  SD152787  Linanthus californicus Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-25 5582 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, along San Mateo Trail from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 395 Comment
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Jun 9 2012
  SBBG93118  Linanthus dianthiflorus R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  POM364581  Linanthus dianthiflorus subsp. dianthiflorus Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  RSA369630  Linanthus jonesii R. F. Thorne, M. Z. Thorne 1973-3-30 42680 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA554019  Linanthus jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12127 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UC205674  Linanthus jonesii E. E. Schellenger Riverside Colorado Desert Comment
  RSA747966  Linanthus lemmonii Justin M. Wood 2009-5-11 689 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UCR177112  Linanthus lemmonii Bill Wagner 1994-5-11 s.n. Riverside Black Mountain, c. 4 miles NNE of Lake Skinner 915 Comment
  UCR48529  Linanthus lemmonii Steve Boyd 1986-4-19 1696 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  POM13055  Linanthus pungens E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mountains, Tacquitz Comment
  UCR121182  Linanthus pygmaeus D. E. Bramlet 1990-4-26 1980 Riverside Rawson Canyon, c. 6300 ft. (1.2 mi.) south of Crown Valley and 8,500 ft. NW of Black Mountain 585 Comment
  UCR121183  Linanthus pygmaeus D. E. Bramlet 1990-4-27 1984 Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  UCR41453  Linaria bipartita B. G. Pitzer 1986-2-22 0017 Riverside San Bernardino Mountains, Whitewater Canyon at Fish Hatchery, also to c. 0.5 mi north of hatchery, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road 732 Comment
  RSA705852  Linaria canadensis Steve D. Boyd, Darin Banks 1994-4-5 8260 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UCR91407  Linaria canadensis Scott D. White 1995-4-5 2743 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR20554  Linum lewisii W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  POM296034  Linum usitatissimum Lyman Benson 1945-3-29 11619 Riverside San Gorgonio Pass, 5 miles east of Banning. 610 Comment
  RSA0010979  Lithophragma affine Scott D. White, Angelia Carey 2004-4-5 9990 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA5026  Lithophragma affine subsp. mixtum Dorothy R. Wolf 1932-3-20 26 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  RSA523535  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3994 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA586297  Loeflingia squarrosa var. squarrosa D. L. Banks, Steve Boyd 1995-5-3 0207 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA339649  Loeseliastrum matthewsii R. F. Thorne, C. W. Tilforth 1980-5-28 54234 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA0041731  Loeseliastrum schottii Sarah J. De Groot, April Garbat 2013-4-9 7001 Riverside Along Blythe-Rice (=Midland) Road, 1.9 mile south of Rice and Highway 62, near bottom of Rice Valley, east side of Arica Mountains. 232 Comment
  UCSB5126  Loeseliastrum schottii Kamb, Peter 1948-4-11 Riverside Aqueduct Road; 5 mi east of Garnet, Coachella Valley 304 Comment
  UC2015535  Logfia filaginoides A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16158 Riverside Coachella Valley/San Jacinto Mtns. Foothills, alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Canyon Dr.). Comment
  UCR88304  Logfia filaginoides A. C. Sanders, Karin Cleary-Rose 1995-4-5 16387 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SD137926  Lomatium dasycarpum subsp. dasycarpum Darin L. Banks, Steve Boyd 1995-3-15 67 Riverside Northwest Palomar Mountains; Agua Tibia Wilderness Area, north face of Agu Tibia Mountain, Dorland Mountain area. 700 Comment
  CLARK-A1045-187  Lomatium utriculatum George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains end of road; Wildomar 7.5'Q Comment
  RSA524405  Lomatium vaginatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4095 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
  UCR97256  Lonicera subspicata var. denudata Scott D. White 1997-2-9 4684 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  CLARK-A1528-384  Lonicera subspicata var. johnstonii Charlotte Stocks 1962-5-16 Riverside Bautista Canyon Comment
  UCR24896  Lotus grandiflorus A. C. Sanders 1980-7-22 1702 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  RSA602485  Lotus grandiflorus var. grandiflorus Scott D. White 1996-8-16 4486 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
  UCR1631  Lotus hamatus Leland R. Dykes 1962-5-8 97 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Road, c. 14 mi west of Palomar Road [=Washington Ave.] in Murrieta [probably 2-3 miles west of Tenaja Guard Station] Comment
  UCR199767  Lotus heermannii Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10676 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
  UCR89768  Lotus purshianus Scott D. White 1993-5-27 1425 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  RSA406788  Lotus rigidus M. B. Dunkle 1938-4-3 5243 Riverside S. of Nightengale Comment
  UC62923  Lotus rigidus H. M. Hall Jun 1901 2124 Riverside along e borders of Colorado Desert San Jacinto Mountains, Colorado Desert Comment
  VVC210  Lotus scoparius F. Zaebst 1959-2-26 s.n. Riverside S Calif, UC Riverside Campus; 100 yds S on Rd behind C.E.S. Administration Bldg 325 Comment
  SEINET10688352  Lotus scoparius subsp. brevialatus Salvato 2004-5-27 SALVATO 622 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. Upper canyon, pine woodland. 1402 Comment
  JOTR29612  Lotus scoparius var. brevialatus Andre, Jim 2006-4-26 6750 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  POM50378  Lotus scoparius var. brevialatus W. W. Eggleston 1924-3-8 19525 Riverside Hemet. 480 Comment
  UC1537087  Lotus scoparius var. brevialatus Gordon H. True Jr. 1935-3-11 78 Riverside Box Springs Comment
  UCR98081  Lotus scoparius var. brevialatus A. C. Sanders, G. Helmkamp 1997-3-15 19943 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  RSA339065  Lotus strigosus R. F. Thorne, C. W. Tilforth 1980-5-28 54244 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA709971  Lotus strigosus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4589 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR103279  Lotus strigosus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3587 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR214121  Lotus strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37727 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR234333  Lotus strigosus A. C. Sanders, John F. Green 2012-4-6 40002 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  UCR261449  Lotus strigosus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41422 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
  RSA621874  Lotus strigosus var. hirtellus R. S. Woglum 1937-5-22 590 Riverside Santa Rosa Mountains. Comment
  RSA554648  Lotus tomentellus A. C. Sanders, E. J. Lawlor 1992-4-4 12089 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA703479  Lotus tomentellus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1423 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SD185227  Lupinus A. C. Sanders, J. Goetzen 1996-5-1 18129 Riverside Morongo Indian Reservation along road in Hathaway Creek Canyon, north of Banning. 793 Comment
  RSA590647  Lupinus agardhianus E. W. Lathrop 1960-5-6 4788 Riverside 10 miles west of Murrieta. Comment
  CDA27581  Lupinus arizonicus T. C. Fuller 1963-4-23 10280 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  RSA692204  Lupinus arizonicus Scott D. White, Michael Honer 2003-5-14 9285 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA703381  Lupinus arizonicus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1407 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA782073  Lupinus arizonicus Duncan S. Bell 2009-3-9 110 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  UCR102714  Lupinus arizonicus B. G. Pitzer 1998-1-24 3399 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCSB3417  Lupinus arizonicus Graney, Don 1953-3-20 Riverside Arroyo, 1 mile from White Water, in White Water Canyon Comment
  SEINET7063242 Image available Lupinus bicolor A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [Cahuilla Road]. UTM Zone 11, 515481mE, 3705072mN. (WGS84/NAD83). 887 Comment
  UCR213306  Lupinus bicolor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37699 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR241249  Lupinus bicolor T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1209 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  RSA562496  Lupinus bicolor subsp. microphyllus Steve D. Boyd 1992-5-5 7240 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  UCR209001  Lupinus concinnus E. W. Lathrop 1959-4-17 4476 Riverside Peninsuar Range, Santa Ana Mtns., Tenaja [Santa Rosa] Plateau. 14 miles west of Murrieta, west slope of Redonda Mesa 854 Comment
  UCR97493  Lupinus concinnus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19883 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCSB3264  Lupinus concinnus Keator, Glenn 1959-5-17 Riverside On Pines to Palms highway; about 10 miles south of Idyllwild Comment
  HSC85266  Lupinus densiflorus var. austrocollium Steve Boyd 1986-4-22 1763 Riverside W side of Indian Wash, S of I-15 Comment
  RSA087025  Lupinus densiflorus var. lacteus F. W. Peirson 1914-04 705 Riverside Whitewater at head of Coachella Valley. Comment
  LA205082  Lupinus excubitus Elizabeth McClintock; 1936-7-20 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UCR100820  Lupinus excubitus G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  RSA0028172  Lupinus excubitus John F. Emmel 1988-5-4 1088 Riverside Pechanga Creek wash, 5 air miles SE of Temecula. 348 Comment
  RSA413601  Lupinus excubitus var. hallii E. Crow 1929-3-17 205 Riverside Glen Ivy Hot Springs, Santa Ana Mts, Comment
  RSA503877  Lupinus excubitus var. hallii Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA618414  Lupinus excubitus var. hallii D. L. Banks 1997-5-5 1962 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
  CLARK-A1703-21  Lupinus hirsutissimus Mike Cline 1967-3-30 Riverside Box Springs Mountains Comment
  RSA719792  Lupinus hyacinthinus Naomi S. Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1738 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR25046  Lupinus latifolius A. C. Sanders 1980-7-22 1706 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  UCR23967  Lupinus latifolius var. parishii John C. Roos 1950-4-15 4742 Riverside Canyon on the NW side of Pigeon Pass, near Riverside 427 Comment
  SD83396  Lupinus microcarpus var. densiflorus R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2063 Riverside Fig Tree Valley, sandy area along trail 690 Comment
  UCR127570  Lupinus microcarpus var. densiflorus A. C. Sanders, T. B. Salvato 2003-5-21 26795 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  POM11283  Lupinus polyphyllus var. burkei Philip A. Munz 1922-7-6 5979 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA414837  Lupinus sparsiflorus Freda Detmers 1933-3-25 17156 Riverside Between Banning and Cabazon. Comment
  RSA501045  Lupinus sparsiflorus Steve D. Boyd 1989-4-1 3166 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD231315  Lupinus sparsiflorus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky. 2003-4-17 10469 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
  UC865552  Lupinus sparsiflorus I. W. Clokey 1935-4-17 6710 Riverside washes and hills Cottonwood Springs (Cottonwood Springs) Comment
  UCR96893  Lupinus sparsiflorus Scott D. White 1993-3-12 1158 Riverside Near Winchester 466 Comment
  RSA395351  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd 1986-4-22 1747 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  UC536840  Lupinus succulentus M. E. Jones 1933-4-5 2 Riverside Hemet Comment
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Mar 24 2011
  RSA524455  Lupinus truncatus Steve D. Boyd 1990-4-3 4091 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
  RSA716384  Lupinus truncatus Scott D. White, Angelia Carey 2004-4-5 9998 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD186215  Lupinus truncatus A. C. Sanders, Mike Misenhelter 2005-6-15 30951 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage. 640 Comment
  UCR128920  Lupinus truncatus A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23901 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR213445  Lupinus truncatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37804 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA428814  Lycium andersonii Jack Rempel 1935-4-14 s.n. Riverside Pinto Basin, Mohave Desert. Comment
  UCR41345  Lycium andersonii N. M. Fellows, A. C. Sanders 1985-4-9 158 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR51932  Lycium andersonii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth 1988-3-10 2178 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  POM171285B  Lycium andersonii var. deserticola Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  RSA4924  Lycium andersonii var. deserticola Carl B. Wolf 1932-4-28 s.n. Riverside Mesa at S.W. edge of Maria Mts., eastern Colorado Desert, 10 mi. from Blythe on the Rice rd 152 Comment
  POM160092  Lycium brevipes var. brevipes E. C. Jaeger 1927-3-20 s.n. Riverside Hidden Spring, Colo. Desert. Comment
  SD229295  Lycium californicum Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 900 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
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Apr 22 2019
  RSA757453  Lythrum hyssopifolia Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55215 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  RSA654162  Machaeranthera canescens var. canescens A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22282 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UCR33764  Machaeranthera cognata J. M. Stewart 1984-2-19 84- 04 Riverside Sonoran (Colorado) Desert, Coachella Valley, base of Indio Hills along powerline road, 3.5 mi. west of Dillon Road 49 Comment
  RSA619542  Madia gracilis D. L. Banks 1997-5-5 1991 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
  RSA0008554  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3001 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UCR232045  Malacothamnus fasciculatus John F. Green 2008-4-15 0408- 08 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR20727  Malacothrix clevelandii A. C. Sanders 1980-5-14 153 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  UCR59693  Malacothrix clevelandii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3539 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  CAS-BOT-BC347713  Malacothrix glabrata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  RSA124451  Malacothrix glabrata P. C. Everett, E. K. Balls 1958-4-29 23021 Riverside Hwy 60/70, 6.5 miles E from Cactus City 488 Comment
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May 15 2009
  RSA475301  Malacothrix glabrata Steve Boyd, Sara Meury, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2109 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SEINET10908382  Malacothrix glabrata David B. Dunn 1948-3-14 Dunn 3776 Riverside Chickory; flat open sands near Hidden Springs Ranch. 3 miles south of the Indio Hills, Colorado Desert. Comment
  SD129607  Malacothrix saxatilis var. tenuifolia Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek. 700 Comment
  UC1871318  Malacothrix saxatilis var. tenuifolia Steve Boyd, Tim Ross, Travis Columbus 1993-10-23 8191 Riverside Peninsular Ranges; Santa Ana Mountains region; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). T6S R5W W/2 SE/4 sec. 22. E/2 NW/4 sec. 27. Elev. 2880 - 2480 ft. Comment
  UC1042990  Malosma laurina John and Lucille Roos 1954-7-10 6191 Riverside n. side Pigeon Pass; Box Springs Mts. 487 Comment
  POM293100  Malva sylvestris Lyman Benson 1946-4-15 12016 Riverside 6 miles SE of Redlands 610 Comment
  RSA652413  Marah macrocarpa Douglas A. Springer 1981-2-16 9 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. Comment
  UCR132423  Marah macrocarpa A. C. Sanders 2004-2-6 27380 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon at head of small nameless canyon on south side of ridge 427 Comment
  UCR84271  Marah macrocarpa A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15909 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  JOTR28791  Marina parryi La Doux, Tasha 2005-3-30 1060 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  SD224970  Marina parryi G. K. Helmkamp 1998-4-4 3154 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station. 305 Comment
  UCSB22425  Marina parryi Myrick, Donald 1965-3-2 Riverside Desert near Midland, north of Blythe 91 Comment
  RSA450079  Marsilea vestita J. C. Roos 1965-9-16 s.n. Riverside Lakeview. Comment
  UCR182838  Medicago lupulina Mitch Provance 2003-4-18 6606 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  CLARK-A1528-5055  Medicago sativa John C. Roos 1951-9-25 5292 Riverside Riverside 259 Comment
  CSUSB1098  Medicago sativa Markell Kohn 1959-4-4 Riverside In field, northwest corner of Canyon Crest Drive/Linden Street intersection. Canyon Crest Village in city of Riverside. Comment
  UCR112734  Melica californica A. C. Sanders, G. Helmkamp 1997-3-15 19916 Riverside Peninsular Range, Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 567 Comment
  POM8822  Melica frutescens I. M. Johnston 1920-5-8 2274 Riverside Butte due west of Lakeview Comment
  JEPS76213  Melica imperfecta W. L. Jepson 1939-4-19 19210 Riverside 3 mi s Aguanga 731 Comment
  RSA526486  Melica imperfecta Steve Boyd, Timothy S. Ross 1990-5-11 4683 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
  SEINET269498 Image available Melica imperfecta Scott D. White 1996-3-31 3852 Riverside Elsinore Basin Bundy canyon southeast of Lake Elsinore. About 1 mile east of Bundy Canyon Road exit from I-15 freeway 450 Comment
  SEINET7073447  Melica imperfecta A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR128559  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23905 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  SD70932  Melilotus albus Helen V. Witham 1969-7-2 179 Riverside DeLuz Creek Crossing, 4 miles north of DeLuz 249 Comment
  RSA619543  Melilotus indicus D. L. Banks 1997-5-5 1992 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
  SEINET189691 Image available Menodora scabra var. glabrescens Annie M. Alexander, Louise Kellogg 1941-1 2208 Riverside North base of Eagle Mountains 1158 Comment
  UCR202604  Mentha spicata Scott D. White, Justin M. Wood 2008-7-9 12413 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  JEPS26723  Mentzelia affinis Newlon 1922-4-3 430 Riverside 6 miles w Indian Wells; Southern California Comment
  POM3011  Mentzelia affinis L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
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Apr 16 2011
  JOTR30627  Mentzelia albicaulis Andre, Jim, Tasha La Doux 2008-3-21 8833 Riverside Joshua Tree National Park. Upper Wilson Wash, approximately 9.5 mi S. of North Entrance 1017 Comment
  JOTR33729  Mentzelia albicaulis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2729 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  JOTR00885  Mentzelia albicaulis Sipe, Frank 1958-3-10 268 Riverside Joshua Tree National Park. PINTO BASIN Comment
  LA102224  Mentzelia albicaulis J. C. Roos; 1949-4-9 4208 Riverside 30 mi N of Blythe. Comment
  UCR133706  Mentzelia jonesii N. C. Cooper 1944-3-25 1037 Riverside Sonoran (Colorado) Desert, Morongo Pass '1500 ft. 549 Comment
  RSA0127364  Mentzelia longiloba var. longiloba Anstruther Davidson 1928-3-18 s.n. Riverside Near Blythe. Comment
  UC19591  Mentzelia montana H. M. Hall May 1899 1121 Riverside San Jacinto Mountains, Strawberry Valley 1615 Comment
  RSA180424  Micropus californicus E. W. Lathrop 1965-5-9 5734 Riverside 6 miles W of Murrieta. Comment
  RSA618162  Micropus californicus D. L. Banks 1997-5-5 2023 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
  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
  UCR269901  Microseris douglasii D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3658 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UCR112009B  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2000-5-25 23410 B 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
  UCR121815  Microseris douglasii subsp. douglasii A. C. Sanders, Carolyn Washburn 2001-4-17 24046 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR48490  Microseris douglasii subsp. platycarpha Steve Boyd 1986-3-9 1387 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  RSA192186  Microseris heterocarpa E. W. Lathrop 1959-4-17 4478 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  UCR241392  Microseris heterocarpa T. B. Salvato, Mike Landers 2013-3-21 7377 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  UCR91288  Microseris heterocarpa Scott D. White, M. Jacobsmeyer 1996-4-20 3975 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  RSA496135  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3021 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA543862  Microseris lindleyi Steve Boyd 1991-5-13 6252 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road 549 Comment
  RSA0106592  Microseris lindleyi D. L. Banks, S. D. Boyd 1995-5-9 0323 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SDSU10755  Mimulus aurantiacus W. E. Rehlaender 1983-4-22 31 Riverside NE rim of Sycamore Canyon, about 1 mile SW of Hwy 60 and 2.5 miles SSE of UCR Campus. Comment
  SEINET7907896  Mimulus aurantiacus D. A. Johnson 2005-1 Riverside Between Perris & Lake Elsinore, 1 mi E of CA 74, River Rd 488 Comment
  RSA552757  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6743 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
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Sep 16 2007
  UC1221006  Mimulus aurantiacus var. puniceus Beecher Crampton 1963-5-7 6781 Riverside 2 mi w Lakeland Village; Elsinore Mountains, Cleveland National Forest 609 Comment
  UC943863  Mimulus aurantiacus var. puniceus H. E. McMinn 1935-6-23 3939 Riverside s Elsinore Comment
  UCR101554  Mimulus aurantiacus var. puniceus A. C. Sanders 1997-3-19 20055 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  RSA172237  Mimulus bigelovii var. bigelovii Robert F. Thorne 1963-3-29 32432 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 535 Comment
  UCR87619  Mimulus brevipes A. C. Sanders 1994-5-30 14618 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR187497  Mimulus cardinalis Theresa Johnson 2006-8-8 253 Riverside Peninsular Range; San Jacinto Mtns., Stone Creek, below Hwy 243 and c. 0.6 mi. above confluence with North Fork San Jacinto River 1433 Comment
  SEINET3078510 Image available Mimulus guttatus Ronald H Sauer 1965-4-21 s Riverside In the drainage ditch by the large black walnut at the base of hill of road to green houses, U.C.R. campus 366 Comment
  UCR24930  Mimulus moschatus A. C. Sanders 1980-8-23 1752 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR68851  Mimulus palmeri Steve Boyd, T. S. Ross 1990-5-11 4635 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  HSC79079  Mimulus parishii G. K. Helmkamp 1984-5-2 - 32 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  RSA296130  Mimulus pilosus Barry A. Prigge 1980-8-5 3849 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCR275350  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-9 1493 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA747833  Mirabilis bigelovii Scott D. White, Justin M. Wood 2009-4-29 12624 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA778144  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-2 16220 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  RSA0027984  Mirabilis laevis var. crassifolia G. Gust, L. Nye 2005-3-11 545 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 miles W of Lake Elsinore on hill slope pullout. 691 Comment
  SBBG69801  Mirabilis laevis var. crassifolia M. N. Ackley 1928-4-1 719 Riverside Snow Crk, Mt San Jacinto 518 Comment
  OBI40178  Mirabilis laevis var. retrorsa N. Miles Fellows 1985-3-16 114 Riverside Oasis de Los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mts, 1 mi W of Snow Crk Village 488 Comment
  RSA314622  Mirabilis laevis var. retrorsa Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55411 Riverside San Bernardino Mountains; Mouth of Whitewater canyon, east of Whitewater Post Office at south end of ridge, in sandy wash east of bridge, and on base of west-facing slope of ridge. 412 Comment
  UCR200291  Mirabilis laevis var. villosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11232 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
  UCR90803  Mirabilis tenuiloba A. C. Sanders, G. K. Helmkamp 1996-3-17 17990 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  JEPS84377  Mohavea confertiflora Roxanne Bittman 1977-2-27 12 Riverside South side of Highway 195 about 9 miles from Box Canyon in Box Canyon upper bajada 365 Comment
  JEPS9988  Mohavea confertiflora E. E. Schellenger May 1920 Riverside e of Coachella (Colorado Desert); Colorado Desert Comment
  JOTR33998  Mohavea confertiflora La Doux, Tasha, M. Harding 2010-4-7 2886 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  POM305609  Mohavea confertiflora Henry J. Ramsey, Henry J. Ramsey 1937-3-2 908 Riverside Desert center, Mojave Desert Comment
  UCR75084  Mohavea confertiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12147 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA554328  Monardella nana subsp. arida Steve Morgan 1992-5-25 92 -6 Riverside Santa Rosa Mountains, SE end of San Bernardino National Forest, ca. 17 miles (airline) due S of Cathedral City, on County Road 7D02 (Santa Rosa Truck trail), from 0.5 to ca. 1.5 mi. S of CA Hwy 74. Comment
  CHSC67960  Monardella nana subsp. leptosiphon Alison Graff 1993-6-23 M- 9 Riverside San Bernardino National Forest, San Jacinto Mtns. 0.1 mi down FS 4S02 from Black Mtn. Rd. (FS 4S01). Comment
  RSA750280  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-29 81 Riverside Santa Rosa Peak 2454 Comment
  UC1499867  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 23 Riverside Fuller Mill Creek Camp Banning-Idyllwild road Comment
  SEINET10961482  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 46 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  JOTR30839  Monardella robisonii La Doux, Tasha, Jim Andre 2008-9-16 349 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  JEPS31427  Monoptilon bellidiforme W. L. Jepson 1928-4-25 12607 Riverside about 1 mi below Cottonwood Springs; Eagle Mts. Comment
  CAS-BOT-BC349785  Monoptilon bellioides N. Aitkenhead 1977-2-3 2125 Riverside Moniobra Valley N. of Orocopia Mnts Comment
  RSA457759  Monoptilon bellioides Steve Boyd, S. Meury, Laurel Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2126 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA782086  Monoptilon bellioides Duncan S. Bell 2009-3-7 3 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  SBBG100856  Monoptilon bellioides W. L. Halvorson 1977-2-5 77 -18 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SEINET10801000  Monoptilon bellioides David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3718 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  POM12714  Montia chamissoi P. A. Munz 1922-7-6 5994 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR116508  Montia fontana A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 743 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA424927B  Moraea polystachya S. Morgan 1984-11-2 s.n. Riverside UCR Botanic Garden, area north of the rose garden Comment
  RSA129316  Muhlenbergia asperifolia H. S. Yates 1936-6-28 6370 Riverside 3 miles NW of San Jacinto 457 Comment
  SD224803  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. MacKay, et al 1995-3-19 16182 Riverside Coachella Valley/San Jacinto Mtns. Foothills: Chino Canyon near the Palm Spring tram station. 794 Comment
  UCD86846  Muhlenbergia microsperma F. M. Reed 1920-1-25 4155 Riverside Riverside and Vicinity. Box Springs Mountains. 640 Comment
  UCR138617  Muhlenbergia microsperma L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains, Snow Canyon, foot of Mount San Jacinto 579 Comment
  UCR278092  Muhlenbergia microsperma Tim Searl 2011-6-4 s.n. Riverside Gavilan Hills, Kamlin Mission Church property, c. 5.7 miles west of Perris and c. 0.5 mile west of Steele Valley 686 Comment
  POM13759  Muilla maritima Philip A. Munz 1922-4-29 5106 Riverside [Sedco] Station, south of Elsinore. Comment
  VVC542  Muilla maritima A. C. Sanders, J. Mac 1997-5-4 20699 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  UCR280981  Myosurus minimus var. apus 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. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  RSA67108  Myosurus minimus var. filiformis F. W. Peirson 1922-5-20 3035 Riverside Hemet Valley, San Jacinto Mts. 1387 Comment
  RSA0025077  Myriophyllum verticillatum Steve Boyd, T. S. Ross 1989-8-28 3800 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UC880837  Nama C. L. Hitchcock 1940-4-4 5950 Riverside Pinto Basin Comment
  RSA444315  Nama demissa Walter Wisura 1988-3-1 4184 Riverside Colorado Desert. In wash off Interstate 10 at beginning of Box Canyon road toward Mecca. Comment
  RSA699658  Nama demissa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  UCR41552  Nama demissa A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6102 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA766605  Nama hispida var. spathulata Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 163 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  RSA92555  Nassella cernua J. C. Roos 1952-5-7 5621 Riverside Edgemont 488 Comment
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May 21 2011
  RSA575825  Nassella lepida Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, western flank of Estelle Mountain above entrenched meander of Temescal Creek, northwest of Lee Lake. 366 Comment
  RSA484139  Nassella pulchra Christopher Davidson 1977-5-25 5649 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  RSA496363  Nassella pulchra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3037 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  SBBG89095  Nassella pulchra B. Pitzer, K. Kirtland 1986-3-6 200 Riverside N side of Pauba Valley, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  SEINET225791  Nassella pulchra E. W. Lathrop 1959-5-29 4587 Riverside Cleveland National Forest ; 14 miles West of Murrieta Tenaja Canyon. Comment
  SEINET3523241 Image available Nasturtium officinale Diane L. Ill 1985-5-12 40 Riverside Gavilan Hills, Hartford Springs, 1.6 miles south of Cajalco Road on Gavilan Road. Right side of road along Spring. Comment
  LA102250  Navarretia atractyloides John C. Roos; 1950-5-27 4818 Riverside NE summit of Reche Canyon 761 Comment
  UCR167832  Navarretia atractyloides T. B. Salvato, Melissa Clemons 2005-6-2 1337 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  POM13628  Navarretia capillaris E. C. Jaeger 1921-7-1 1046 Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA550480  Navarretia fossalis D. E. Bramlet 1992-5-8 2269 Riverside The site is approximatly 8 km south west of Hemet. The vernal pools are located northwest of the intersection California and Stowe Rd. The pools are located some 5-500 ft. N of Stowe Rd and some 20-700 ft. west of Califronia Ave. 465 Comment
  RSA623557  Navarretia fossalis R. E. Riefner 1998-10-15 98 -520 Riverside Menefee-Paloma Valley Comment
  SBBG54315  Navarretia intertexta C. Davidson 1977-5-25 5651 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR15527  Navarretia prostrata George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  RSA525253  Nemacladus longiflorus var. breviflorus Steve Boyd, Timothy S. Ross 1990-5-11 4631 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA585790  Nemacladus pinnatifidus D. L. Banks, S. D. Boyd 1995-5-9 0417 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  RSA543863  Nemacladus ramosissimus Steve Boyd, D. E. Bramlet 1991-5-13 6251 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  POM68091  Nemacladus rubescens var. tenuis Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  POM13005  Nemophila menziesii P. A. Munz, D. M. Johnston 1922-5-19 5426 Riverside Keen Canyon, San Jacinto Mountains. 1524 Comment
  RSA523488  Nemophila menziesii Steve Boyd, Tim Ross, L. Arnseth 1990-3-30 3948 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UCR47054  Nemophila pedunculata B. G. Pitzer, A. C. Sanders 1987-4-11 0480 Riverside Santa Ana Mtns., Santa Rosa Plateau, W of Murrieta, 0.25 mi. due south of Tenaja Campground / Guard Station. 610 Comment
  POM363669  Nicolletia occidentalis Jack Rempel, Erwin Miller 1934-4-28 18733 Riverside S of Pass between Horse and Pleasant Valleys Wash 1220 Comment
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Dec 11 2011
  SD227909  Nicotiana acuminata var. multiflora Andrew C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22232 Riverside San Bernardino Mtns.: Morongo Indian Reservation, lower Hathaway Creek Canyon. 837 Comment
  UCR251977  Nicotiana attenuata A. C. Sanders, T. B. Salvato 2014-7-2 41178 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA0054919  Nicotiana attenuata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  OBI35917  Nicotiana glauca J & B Semple, B Semple 1981-8-12 5588 Riverside W of Lake Elsinore Comment
  RSA192101  Nicotiana glauca E. W. Lathrop 1959-4-2 4420 Riverside 18 miles west of Murrieta. Comment
  JEPS12227  Nicotiana obtusifolia W. L. Jepson 1901-5-22 1409 Riverside near Mt. San Jacinto (Palm Canyon); Palm Canyon Comment
  RSA747832  Nicotiana obtusifolia Scott D. White, Justin M. Wood 2009-4-29 12623 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA792559  Nicotiana obtusifolia Duncan S. Bell 2012-9-13 4186 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 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
  UCSB41263  Nicotiana obtusifolia Cowan, Clark 1978-4-23 Riverside 2.7 mi (4.3 km) S on Hwy 74 from its jct w/ Hwy 111 at Indian Wells, Whittaker transect #W-218 210 Comment
  UCR199613  Nicotiana quadrivalvis Scott D. White, Angelia Carey 2004-7-2 10566 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SD142036  Nolina parryi James C. Dice 1985-6-13 618 Riverside Pinyon Flat, ca. 1.3 km N of Hwy. 74, at NW edge of community of Pinyon Pines 1250 Comment
  CAS-BOT-BC71165  Notholaena californica M. E. P. Hawver 1917-3-29 s.n. Riverside Tahquitz Canyon, Palm Springs Comment
  SBBG266  Notholaena californica H. and M. Dearing 1940-1-3 4787 Riverside San Andreas Cyn Comment
  UC63697  Oenanthe sarmentosa W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River, Spring Brook 259 Comment
  UC422970  Oenothera F. M. Reed 1903-10-2 264 Riverside 547 Chicago Ave. Riverside Comment
  SEINET12188942  Oenothera bistorta J. F. Bright, Wyman, C. 1933-1 8086 Riverside near Palm Springs Comment
  SBBG35562  Oenothera deltoides D. Myrick 1966-4-2 1344 Riverside Hwy 74 ca. 5 mi W of Palm Desert Comment
  UCD106847  Oenothera deltoides Richard Bates 1949-4-28 s.n. Riverside Sand dunes, Cathedral City, southeast of Palm Springs. Comment
  UCR134599  Oenothera deltoides Marisa Sripracha, Kyle Boyd 2004-2-14 015 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  CHSC1150  Oenothera deltoides subsp. deltoides E. Thomas 1940-3-30 Riverside Cathedral City. 137 Comment
  RSA146019  Oenothera deltoides subsp. deltoides William M. Klein, David P. Gregory 1958-2-14 147 Riverside Along U.S. hwy 60-70 on Palo Verde Mesa, west of Blythe. Comment
  RSA152015  Oenothera deltoides subsp. deltoides David P. Gregory 1960-3-20 360 Riverside Across railroad tracks from Thousand Palms in the V of the forking road Comment
  UC909740  Oenothera deltoides subsp. deltoides Norman C. Cooper 1949-3-15 3026 Riverside sand dunes Palm Springs 30 Comment
  RSA737120  Oenothera elata subsp. hirsutissima Justin M. Wood 2008-10-15 186 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC1080340  Oenothera elata subsp. hirsutissima E. K. Balls and P. C. Everett 1957-11-4 22746 Riverside about Old Fish Hatchery; n. base San Jacinto Mts., Snow Creek 701 Comment
  CSUSB217  Oenothera speciosa C. M. Flanagan 1971-5-21 Riverside Sun Valley Drive, 29 Palms. Comment
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Mar 26 2014
  RSA698596  Oligomeris linifolia J. R. Bruff s.n. Riverside Palm Springs. Comment
  SBBG67466  Olneya tesota M. N. Ackley 1928-3-31 618 Riverside Hidden Spring Cyn 243 Comment
  UCD108102  Olneya tesota G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
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Jun 15 2013
  RSA791926  Oncosiphon piluliferum R. E. Riefner Jr. 2009-2-25 9 -20 Riverside City of Lake Elsinore, S side of Alberhill Creek, W of Hwy. 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  SEINET15324998  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-1 24210 Riverside Perris-Aguanga region; Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi S of van Buren Blvd. (Riverside east 7.5' Quad) 465 Comment
  UCD134650  Oncosiphon piluliferum John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base. 533 Comment
  UCR232799  Oncosiphon piluliferum John F. Green 2008-4-16 0408- 33 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  SEINET8674695  Opuntia X vaseyi Rosemary Trelease, Nancy Foisy, Joni Ward 2004-4-27 54525 Riverside Originally received into the Desert Botanical Garden living collection as a plant collected by Bruce Parfitt 3503 19 April 1986 with R. Anthony and A. Sanders from California, Riverside County, Pauba Valley, Highway 79 crossing of Temecula River (or Creek), 4.6 miles east of junction with road to Pala in the vicinity of the given coordinates as determined by Google Earth; collector's notes: Spiny and spineless pads on same plant; sage scrub hillside E of creek and S of highway. 1000 Comment
  SEINET4391063 Image available Opuntia basilaris var. basilaris L. Lubinsky, LeRoy Gross, Victor Steinmann 2005-2-17 s.n. Riverside Chuckwalla Mountains: Along wash above Corn Springs Campground. 503 Comment
  UCR41502  Opuntia littoralis A. C. Sanders 1984-4-15 5012 Riverside Santa Ana Mtns, Mesa de Colorado, 5 air mi. SW of Murrieta. 610 Comment
  SBBG87607  Opuntia phaeacantha A. C. Sanders, B. Parfitt, R. Anthony 1986-4-21 6464 Riverside rocky N-facing slope near the mouth of Hamilton Crk Cyn, 2.6 mi E of Anza Post Office on Hwy 371 Comment
  RSA20699  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 9420 Riverside San Jacinto Mountains, Palms to Pines Highway, 4 miles above Ribbonwood. 1220 Comment
  RSA22796  Opuntia polyacantha var. erinacea C. B. Wolf, Percy C. Everett 1939-9-29 9460 Riverside Desert slopes of San Jacinto range. Upper edge of Pinon Flats on the Palms-Pines Road. 1220 Comment
  POM285585  Opuntia ramosissima Lyman Benson 1949-10-14 14198 Riverside 15 miles east of Indio. 366 Comment
  RSA486902  Opuntia vaseyi Steve Boyd 1986-5-7 1839 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA655210  Opuntia vaseyi Scott D. White 1999-5-20 7373 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
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Dec 8 2010
  CLARK-A1528-3390  Orobanche cooperi John C. Roos 1949-3-26 4125 Riverside Mecca Comment
  UC68716  Orobanche cooperi H. M. Hall Apr 1905 5836 Riverside Colorado Desert near Salton; Colorado Desert -30 Comment
  SD247471  Orobanche fasciculata Andy Sanders, J. Schweitzer, K. Young. 2015-3-24 41461 Riverside San Gorgonio Pass: San Gorgonio River wash, about 2.95 miles ESE of Cabazon, about 0.84 mile NNW (335 degrees) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm. 452 Comment
  CAS-BOT-BC500138  Orobanche fasciculata S. B. Parish; W. F. Parish 1881-8-1 488 Riverside San Jacinto Mt. Comment
  RSA402103  Orthocarpus purpurascens Ernest A. McGregor 1962-4-1 s.n. Riverside On Highway 71, south of Elsinor. Comment
  RSA662186  Orthocarpus purpurascens Dolores Perez 1981-4-11 23 Riverside Cajalco Rd., S. of Lake Matthews. Comment
  POM256964  Orthocarpus purpurascens var. pallidus W. Pequegnat 1940-4-28 s.n. Riverside Bedford Truck Trail. 366 Comment
  RSA402102  Orthocarpus purpurascens var. purpurascens Christopher Davidson 1973-4-1 1829 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  POM351404  Osmadenia tenella E. Crow 1929-4-21 347 Riverside North of Alberhill Comment
  SBBG122772  Osmadenia tenella A. Parikh 1990-4-26 157 Riverside S of Crown Valley, E of Rawson Cyn, 1.1 km SSW of jct of Crown Valley Rd and Rawson Rd 642 Comment
  SD10667  Oxalis californica Mrs. D. R. Wolf 1932-3-20 21 Riverside Richman Ranch, 2I(c) miles north of De Luz, southwest Riverside County 456 Comment
  RSA64889  Oxytheca emarginata F. W. Peirson 1922-5-21 3034 Riverside Hemet Valley, San Jacinto Mts. 1372 Comment
  CAS-BOT-BC327891  Palafoxia arida Marcus E. Jones 1906-4-30 s.n. Riverside Indio Comment
  SBBG65761  Palafoxia arida R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  SEINET10473921  Palafoxia arida Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 28 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  SEINET3148310  Palafoxia arida G. B. Grant 1906-5-1 906 -6748 Riverside Colorado Desert at Palm Springs Comment
  SEINET10799064  Palafoxia arida David B. Dunn, A. Folsom 1948-6-17 Dunn 3809 Riverside Near quad 2. At camp in Pushawalla Canyon under palms. Desert wash, Indio Hills, Colorado Desert. Comment
  RSA780228  Palafoxia arida var. arida Stephanie Rockwood, Christi Gabriel 2011-10-12 105 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  UC596595  Palafoxia arida var. arida Rensselaer J. Smith 323 Riverside White Water Coachella District Comment
  UCR269843  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2016-3-18 42382 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA800235  Panicum Justin M. Wood 2010-6-17 2046 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  JOTR29504  Panicum hirticaule subsp. hirticaule Bell, Mike 2006-9-14 s.n. Riverside Joshua Tree National Park. southeast Pinto Mountains; near Mission Well/ Sunrise Mill, off Old Dale Road 435 Comment
  SBBG101640  Papaver californicum S. Boyd with T. Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs Cmpgrdt, S of Hwy 79 Comment
  UCR1597  Papaver rhoeas R. L. Irwin 1962-5-8 0076 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, on Canyon Crest Drive just past U.S. 395 [Hwy 60] freeway bridge and on curve going southwest 317 Comment
  CSUSB1107  Parkinsonia aculeata R. Van Curen 1970-5-20 28 Riverside Base of Mount Rubidoux at Exit. Roadside. 259 Comment
  SEINET939470  Parkinsonia florida P. A. Munz 1947-1 11722 Riverside 4 miles northwest of Desert Center, on Aqueduct Road. Comment
  RSA69815  Paspalum dilatatum J. C. Roos 1951-9-25 5262 Riverside West end Fairmount Park 259 Comment
  RSA264425  Paspalum notatum var. saurae C. W. Tilforth 1976-9-19 1224 Riverside 317 Swan Lake Mobile Home Park, Mira Loma; 10 miles N of Corona Comment
  CDA8446  Pectis papposa G. D. Barbe, J. L. Johnson 1982-11-2 4021 Riverside 0.6 mile west of Coon Hollow campground on Bradshaw Trail. 0 Comment
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Apr 11 2013
  POM228765  Pectis papposa F. W. Peirson 1937-11-27 12245 Riverside La quinta, about sea level. Comment
  RSA38494  Pectis papposa P. A. Munz 1946-10-20 11574 Riverside Palms to Pines Hwy, 11.5 miles south of Palm Springs to Indio Road. 1037 Comment
  JEPS34818  Pectis papposa var. papposa W. L. Jepson 1914-5-24 6061 Riverside Palm Springs Colorado Desert, Palm Springs 121 Comment
  SEINET10799093  Pectis papposa var. papposa David J. Keil 1975-8-27 Keil K 10994 Riverside 8 mi. W of Desert Center along I-10. Comment
  UCR108482  Pectocarya A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16192 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  UC64423  Pectocarya anisocarpa H. M. Hall 1897-3-23 398 Riverside Winchester Comment
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Mar 20 2011
  UCR234242  Pectocarya anisocarpa A. C. Sanders, T. B. Salvato 2012-4-27 40088 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  RSA788561  Pectocarya heterocarpa Duncan S. Bell 2012-3-8 3143 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
  UCR214423  Pectocarya heterocarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37508 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  SEINET242053  Pectocarya linearis A. C. Sanders 2001-3-20 23852 Riverside Western Colorado Desert: Coachella Vly, Garnet, N side of 19th Ave., 0.5 mi (air) NW of intersxn of I-10 & Indian Ave. 235 Comment
  RSA695835  Pectocarya penicillata J. Russell Bruff 1934-6-19 550 -a Riverside Near Hemet Reservoir Comment
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Dec 11 2011
  UC218244  Pectocarya penicillata P. A. Munz and I. M. Johnston 1922-5-19 5422 Riverside San Jacinto Mountains, Keen Camp 1524 Comment
  UCR108483  Pectocarya peninsularis A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15998 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
  RSA779011  Pectocarya platycarpa Duncan S. Bell 2010-4-1 644 B Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  RSA597414  Pectocarya recurvata L. C. Wheeler 1970-4-5 s.n. Riverside West of Desert Hot Springs, by old road to 29 Palms. Comment
  RSA676118  Pectocarya recurvata Scott D. White 2001-4-3 8222 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA775402  Pectocarya recurvata Duncan S. Bell 2011-4-10 2248 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  SEINET3084040 Image available Pectocarya recurvata Andrew C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15919 Riverside Sonoran (Colorado) Desert; Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  UCR84837  Pectocarya recurvata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16208 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  POM13104  Pectocarya setosa P. A. Munz 1922-5-20 5497 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  SD137599  Pedicularis densiflora Darin L. Banks 1995-3-15 60 Riverside Agua Tibia Wilderness area, N face of Agua Tibia Mtn., Dorland Mtn. area 680 Comment
  RSA651845  Pellaea andromedifolia N. R. Zabriskie, Walter Zabriskie 1970-3-28 278 Riverside Andreas Canyon. [near Palm Springs] ca. 50 feet south of stream, almost opposite entrance to ''North Canyon''. 365 Comment
  RSA798597  Pellaea andromedifolia R. F. Thorne, E. W. Lathrop 1977-5-18 49755 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SEINET13709265  Pellaea andromedifolia J. Adams, J. Adams (Botany) 1966-1 743 Riverside Santa Rosa Plateau, Dirt Rd from Murrieta to De Luz 2500 Ft 762 Comment
  RSA686925  Pellaea mucronata P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  JOTR30784  Pellaea mucronata var. mucronata La Doux, Tasha, Erin Babich 2007-4-18 1515 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley 1278 Comment
  POM857  Pellaea mucronata var. mucronata I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  UCR9268  Pennisetum clandestinum O. F. Clarke 1969-11-10 s.n. Riverside University of California, Riverside Comment
  CAS-BOT-BC310321  Pennisetum setaceum Duncan S. Bell; John Anderson; Keir Morse 2012-11-11 4380 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto 250 Comment
  RSA679101  Penstemon californicus Mark A. Elvin, Victoria Jotikasthira, Ron Wetherford, Jason Wetherford 1996-5-10 171 Riverside San Bernardino National Forest. [Garner Valley, San Jacinto Mtns]. 1372 Comment
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Dec 7 2007
  UCR130706  Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-6-27 4070 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UCR133452  Penstemon centranthifolius Tracy Tennant, J. S. Ross 1998-5-7 MOR- 80 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon, c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR195114  Penstemon centranthifolius A. C. Sanders, Tim Thomas 2008-8-1 35926 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR24781  Penstemon centranthifolius W. W. Mayhew 1981-5-21 s.n. Riverside San Jacinto Mtns., Garner Valley. 0.5 mi east of Lake Hemet on Thomas Mtn. Road. 1341 Comment
  UCR38098  Penstemon centranthifolius A. C. Sanders 1985-5-4 5779 Riverside Santa Rosa Mtns, Pinyon Flats, c. 100 yards north of Hwy 74 at Pinyon Flats Campground. 1220 Comment
  LA85954  Penstemon clevelandii O. H. Kappler; 1948-4-18 1656 Riverside San Jacinto Mountains, Hiway 74 1219 Comment
  UCSB37946  Penstemon clevelandii Carlson, B. 1978-4-22 Riverside Santa Rosa Mtns; 13.5 mi. S. of Palm Desert; along Hwy 74 883 Comment
  POM4305  Penstemon clevelandii subsp. connatus I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  UCR12520  Penstemon clevelandii subsp. connatus Frank C. Vasek 1972-4-1 s.n. Riverside San Jacinto Mtns., In one of the westerly branches of Palm Canyon where it intersects the 'Pines to Palms Highway Comment
  SD229290  Penstemon labrosus Dick Schwenkmeyer 2012-8-7 781 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  NY661184  Penstemon spectabilis var. spectabilis C. B. Wolf 1938-6-11 9417 Riverside San Jacinto Mountains, Palms to Pines Highway, 1½ miles west of junction to Anza 1219.2 Comment
  CAS-BOT-BC330347  Pentachaeta aurea H. M. Hall 1899-5-20 1136 Riverside San Jacinto Mountains, Johnston Ranch 1524 Comment
  LA203845  Pentachaeta aurea W. B. Welch; 1925-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA0062906  Pentagramma triangularis E. W. Lathrop 1965-5-9 5732 Riverside 6 miles W of Murrieta. Comment
  CAS-BOT-BC71581  Pentagramma triangularis subsp. maxonii D. A. Johansen; J. A. Ewan 1932-4-11 7069 Riverside Ravine at mouth of Tahquitz Canyon, Western Colorado Desert Comment
  UCR114823  Pentagramma triangularis subsp. triangularis Mitch Provance, Seychelle Provance 1998-2-17 88 A Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  LA99481  Peritoma arborea var. angustata Hisao P. Arai; 1957-4-17 sn Riverside off Highway 60; 1 mi. S of Cabazon Comment
  CAS-BOT-BC77524  Peritoma arborea var. arborea Cecil Hart 1926-2-1 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC77527  Peritoma arborea var. arborea Ivan Johnston 1917-4-4 1057 Riverside Palm Canyon 457 Comment
  CLARK-A1656-832  Perityle emoryi Jon Mark Stewart 1982-11-13 82-017 Riverside Indio Hills 198 Comment
  JEPS34969  Perityle emoryi W. L. Jepson 1927-4-14 11703 Riverside se end Santa Rosa Mts. foothills (w side of Colorado Desert); Colorado Desert, Silent Canyon 304 Comment
  POM41485  Perityle emoryi Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  RSA471857  Perityle emoryi H. M. Hall 1902-04 2793 Riverside Coyote canyon 152 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
  JOTR00924  Perityle emoryi Sipe, Frank 1958-3-7 247 Riverside Joshua Tree National Park. NEAR CHOLLA PATCH Comment
  UCD117309  Petalonyx thurberi F. R. Lawson 1929-12-12 11- 8 Riverside Mecca. Comment
  RSA748602  Petalonyx thurberi subsp. thurberi Scott D. White, Justin M. Wood 2009-4-28 12594 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCR46702  Petunia X atkinsiana A. C. Sanders 1987-4-7 7046 Riverside City of Riverside, Vacant lot on north side of Spruce Street, between Rustin Ave. and Canyon Crest [now Watkins] Dr. 305 Comment
  CAS-BOT-BC326728  Peucephyllum schottii L. A. Greata 1905-4-1 416 Riverside Coachella Comment
  LA104783  Peucephyllum schottii Barry A. Prigge; 1988-2-21 7848 Riverside Orocopia Mountains, 2 mi. W of Clemens Well, Colorado Desert 228 Comment
  UC923114  Phacelia Freed W. Hoffman 1950-4-24 3318 Riverside Perris to Hemet Hwy (#74) at Winchester road junction; Rock Brook Ranch Comment
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Mar 20 2011
  POM98706  Phacelia ambigua P. A. Munz 1926-1-31 9958 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA554651  Phacelia ambigua A. C. Sanders, E. J. Lawlor 1992-4-4 12091 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA678381  Phacelia ambigua Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10444 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC68747  Phacelia campanularia subsp. vasiformis H. M. Hall Apr. 1905 5996 Riverside Cottonwood Pass Colorado Desert 670 Comment
  SBBG33693  Phacelia cicutaria var. hispida A. C. Sanders with K. Knudsen, T. B. Salvato 2004-5-18 27899 Riverside summit ridge of Alberhill Mtn, along dirt rd 503 Comment
  UCR121091  Phacelia cicutaria var. hispida A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24977 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  HSC13640  Phacelia crenulata R. A. Eagle 1964-3-28 18 Riverside N end of Salton Sea State Park Comment
  RSA776251  Phacelia crenulata Duncan S. Bell 2010-3-20 631 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SD146240  Phacelia crenulata A. C. Sanders, T. B. Salvato and Mitch Provance 2000-4-25 23363 Riverside East side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3.0 miles east of Thermal. 14 Comment
  SEINET4681879  Phacelia crenulata Steve Boyd, Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11248 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, about 1.25 miles due north of Imperial County line and about 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.; 0 Comment
  CDA40381  Phacelia distans T. C. Fuller 1962-4-4 7999 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  RSA426224  Phacelia distans Christopher Davidson 1973-4-19 1998 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  RSA74951  Phacelia distans F. W. Peirson 1927-4-12 7163 Riverside Painted canyon, near Mecca. Comment
  RSA784136  Phacelia distans J. D. Olmsted 1959-4-30 502 Riverside Spring Trail at Beacon Pines Ranch; 9 miles southwest of Corona. Santa Ana Mountains. Drainage area to Santa Ana River. 747 Comment
  SEINET3208884  Phacelia distans G. Goodwin 2012-6-14 3438 Riverside San Jacinto Mountains, 3 miles south of Banning along highway 243 910 Comment
  UCR134646  Phacelia distans Mitch Provance 1998-4-10 416 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR41340  Phacelia distans N. M. Fellows, A. C. Sanders 1985-4-9 154 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA567471  Phacelia imbricata subsp. imbricata Scott D. White 1993-5-29 1463 Riverside San Bernardino Mountains: Banning Canyon and Big Oaks Canyon along the road to Raywood Flat, Yucaipa Ridge. 1372 Comment
  SD72110  Phacelia imbricata subsp. patula John Thomas Howell 1927-8-2 2915 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto. Comment
  UC1228376  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 768 Riverside near Idyllwild (along edge of meadow); San Jacinto Mountains, Saunders Meadow Comment
  RSA493824  Phacelia minor Maureen Pendleton 1988-2-22 s.n. Riverside Rancho Calif. area. ca. 8 mi. (airline) NW of Temecula, between Bruce Lane & Via View Dr. 732 Comment
  RSA594780  Phacelia minor D. L. Banks, Dylan Hannon 1996-5-3 974 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
  RSA655400  Phacelia minor A. C. Sanders 1998-1-15 21636 Riverside Lake Skinner area: toward Crown Valley, NE of Black Mtn 762 Comment
  SD136820  Phacelia minor Steve Boyd 1992-4-14 6786 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area; along Verdugo Trail from Tenaja Tr. to Bluewater Cyn, S of Sitton Pk. 792 Comment
  UC410495  Phacelia minor Mrs. E. C. Van Dyke 1928-5-28 Riverside Banning Comment
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Mar 13 2011
  UCR98689  Phacelia minor S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UCSB10391  Phacelia minor Wedberg, H. 1957-3-22 Riverside Hwy. 71, Alberhill Comment
  RSA550349  Phacelia neglecta Walter Wisura, John Dolan, M. Wall 1992-3-24 4639 Riverside 1.9 miles S of I-10 on road to Corn Spring Comment
  RSA0036470  Phacelia ramosissima J. M. Andre 2012-6-15 30496 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
  JEPS1349  Phacelia ramosissima var. latifolia W. L. Jepson 1903-8-5 2269 Riverside near meadow on side hill near Strawberry Valley; San Jacinto Mt. 1737 Comment
  RSA525330  Phalaris minor Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4461 Riverside Vail Lake area, Hwy R3 (Sage Rd) at jct. with Powerline Rd., N of Radec about 3 miles NE of Vail Lake Comment
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Feb 22 2013
  RSA0057660  Philadelphus microphyllus var. stramineus E. C. Jaeger 1922-8-20 1015 Riverside Long Valley to Palm Springs Trail. 2439 Comment
  POM3518  Pholistoma auritum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, canyons near Murietta. Comment
  CLARK-A1656-703  Pholistoma membranaceum Theo Glenn 1979-2-11 Riverside San Jacinto Mountains Comment
  RSA0015683  Phoradendron californicum Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6041 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well. 659 Comment
  RSA0108815  Phoradendron californicum Duncan S. Bell, Amanda Turek 2009-3-30 189 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA676278  Phoradendron californicum Scott D. White 2001-4-3 8235 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR226494  Phoradendron californicum Jim Andre 2011-2-18 15823 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR260262  Phoradendron californicum A. C. Sanders, Jim Malusa 2015-3-11 41402 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  UCR50007  Phoradendron californicum Dennis E. Kucera 1987-11-14 s.n. Riverside Malki Museum garden, east of Banning off Fields Road, Morongo Indian Reservation 610 Comment
  POM2144  Phoradendron macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River, NW of Corona. 183 Comment
  RSA601104  Phoradendron macrophyllum A. C. Sanders, J. Goetzen 1996-5-1 18141 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  UC1078929  Phoradendron villosum Job Kuijt 1958-3-14 1494 Riverside 12.4 mi. s. Palm Desert 1066 Comment
  UC51622  Phragmites australis Jos. Burtt Davy 1902-4-2 8045 Riverside Salton Comment
  HSC27764  Physalis crassifolia R. W. Spjut 1973-5-3 3343 Riverside Colorado Desert; N face of Chuckawalla Mts. 3-4 mi. S of Desert Center 305 Comment
  IRVC28190  Physalis crassifolia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11216 Riverside Choclate-Chuckwalla Mtns region; W base of the Choclate Mtns, small cyn, ca. 1.25 mi. N of Imperial Co. line and about 3.75 mi. W of aquaduct; accessed by dirt road off of main aquaduct road at siphon station. Within boundary of US Navy Choclate Mtn ... Colorado Desert Comment
  RSA28050  Physalis crassifolia I. L. Wiggins 1941-3-27 9673 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  SEINET3077619 Image available Physalis crassifolia C. Francis Shutts 1949-3-18 44 Riverside Box Canyon on old Mecca-Blythe Hwy. Orocopia Mountains. Salton Sink. 183 Comment
  UC1143155  Physalis crassifolia H. S. Yates 1937-3-23 6430 Riverside Painted Canyon; Thermal Quad. 121 Comment
  UC26187  Physalis crassifolia S. B. Parish Apr 4 1896-Apr 13 1896 4131 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of San Jacinto Mt) 152 Comment
  UC665891  Physalis crassifolia Ira L. Wiggins 1941-3-27 9673 Riverside 8 mi ne Desert Center (s end of Coxcomb Mountains); Coxcomb Mountains Comment
  LA6070  Pinus coulteri Carl Epling; 1932-11-9 sn Riverside 3 mi. below Idyllwild Comment
  SEINET10719550  Pinus coulteri Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 133 Riverside San Bernardino National Forest. 14.5 mi. S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  UCSB95  Pinus monophylla Philbrick, Ralph 1953-6-10 Riverside Joshua Tree National Monument Comment
  POM12978  Pinus quadrifolia Philip A. Munz, I. M. Johnston 1922-5-20 5492 Riverside Head of Hemet Valley, San Jacinto Mts 1524 Comment
  UC1134101  Pinus quadrifolia A. Lewis 1933-2-3 154 Riverside Terwilliger Valley San Jacinto Quad., San Bernardino National Forest, Terwillig 1158 Comment
  UCSB144  Pinus quadrifolia Bobkowski, Jr., Vincent 1960-5-15 Riverside 0.2 miles off of Highway 74 on the Road to Anza Comment
  RSA263777  Piperia cooperi R. Weatherby 1950-4-20 3055 Riverside Hagador Canyon 396 Comment
  RSA614474  Piperia cooperi Darin L. Banks 1997-4-5 1701 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of Wilderness Area boundry, along tributary of north fork of Pechanga Creek. 445 Comment
  RSA588669  Piperia elongata Darin L. Banks, Steve Boyd 1995-10-26 825 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, N of the first grassland areas along trail. Approximately 0.8 miles from the Wilderness boundary. 720 Comment
  UCR31326  Piperia elongata A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3868 Riverside San Jacinto Mtns, Hwy 243 at the Poppet Flats Tuck Trail 1220 Comment
  UCR174175  Pityrogramma triangularis A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32571 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR281115  Pityrogramma triangularis Mitch Provance, Jeremiah George 2017-3-21 317- 13 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  UCR92664  Pityrogramma triangularis var. triangularis Scott D. White 1996-2-18 3808 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  SBBG34989  Plagiobothrys T. L. Secrest 1951-5-19 Riverside near Hemet Lake Comment
  RSA717338  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 -B Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR226084  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-1 38953 Riverside Peninsular Range, Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash 403 Comment
  SD232228  Plagiobothrys collinus Scott D. White, Michael Honer 2003-4-2 8902 Riverside Temescal Canyon: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UCR128317  Plagiobothrys collinus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro 579 Comment
  UCR234243  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2012-4-27 40089 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  POM8981  Plagiobothrys collinus var. californicus P. A. Munz, Harwood 1920-3-20 3390 Riverside Elsinore. 396 Comment
  UCR234332  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2012-4-6 40004 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  UC1931120  Plagiobothrys collinus var. fulvescens Scott D. White, Justin Wood 2008-6-18 12243 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Comment
  RSA695816  Plagiobothrys collinus var. ursinus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  JOTR34017  Plagiobothrys jonesii La Doux, Tasha, M. Harding 2010-4-7 2904 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  VVC2448  Plagiobothrys jonesii Tim Thomas 2013-3-18 5940 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  SBBG104102  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside western edge of Hemet, along S side of Devonshire Ave, between Old Warren and Warren Rds, SW of Tres Cerritos and N of Florida Ave (Hwy 74) 460 Comment
  UCR21032  Plagiobothrys leptocladus A. C. Sanders, Steve Boyd 1980-5-19 1480 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  OBI33570  Plagiobothrys nothofulvus A. C. Sanders & T. Glenn, T. Glenn 1983-4-17 3737 Riverside Mesa de Colorado, Santa Ana Mts, 5 mi (airline) SW of Murrieta 610 Comment
  UCR31291  Plagiobothrys undulatus A. C. Sanders, Theo Glenn 1983-4-17 3729 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  UCR260560  Plantago erecta T. B. Salvato 2015-4-2 8105 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  JOTR35285  Plantago ovata Andre, Jim 2012-4-11 20779 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
  RSA796335  Plantago ovata Duncan S. Bell 2009-4-18 199 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  RSA402036B  Plantago ovata var. fastigiata M. B. Dunkle 1933-5-6 3446 Riverside Painted Canyon Comment
  RSA771667  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4902 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
  JEPS98073  Platanus racemosa D. Wilken with E. Painter 2000-11-4 15871 Riverside Chico Canyon, near end of road to Tramway base San Jacinto Mountains 900 Comment
  SBBG113407  Platanus racemosa D. Wilken with E. Painter 2000-11-4 15871 Riverside Chino Cyn, near end of rd to Tramway base 900 Comment
  SD219086  Platanus racemosa Robert Allen, Fred M. Roberts 2007-6-22 Riverside SE of Hemet, Cautista Canyon, ca. 4.0 road miles southeast of jct Bautista Canyon Road and Fairview Ave. 726 Comment
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Aug 11 2012
  SD233899  Platanus racemosa A. C. Sanders, J. Goetzen 1996-5-1 18140 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 793 Comment
  UCR21165  Platanus racemosa 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
  PASA1624  Platystemon californicus Frank W. Peirson 1922-4-29 Riverside Field south of Lake Elsinore 377 Comment
  POM169735  Platystemon californicus Lyman Benson 1932-3-26 s.n. Riverside 3 miles N [of] Temecula. 457 Comment
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Jun 16 2012
  RSA66240  Platystemon californicus F. W. Peirson 1922-4-28 5325 Riverside Temescal Canyon, SW Riverside Co. 274 Comment
  CDA7065  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -395 Riverside City of Temecula, Vine Street at Peach Tree Street. Comment
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Dec 13 2012
  UCR79225  Plectritis ciliosa subsp. insignis Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6761 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Tenaja Trail from junction with Morgan Trail S to Pigeon Spring area 793 Comment
  CAS-BOT-BC177608  Pleurocoronis pluriseta Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains 402 Comment
  CLARK-A1045-218  Pleurocoronis pluriseta George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; wash; Lost Horse Mtn. 15'Q Comment
  UCR245676  Pleurocoronis pluriseta Duncan S. Bell 2010-4-2 698 Riverside Sonoran (Colorado) Desert, Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it 595 Comment
  UCR189287  Pluchea odorata Fred M. Roberts, S. Leatherman 2007-9-19 6586 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CLARK-A1528-5377  Pluchea sericea John C. Roos, Lucille Roos 1951-10-24 5340 Riverside Pedley 228 Comment
  RSA615394  Pluchea sericea A. C. Sanders 1997-3-19 20033 Riverside Lake Skinner area, S foot of Bachelor Mtn, across the northern arm of the lake from the boat ramp. 457 Comment
  UCR92493  Poa annua S. J. Myers 1996-1-16 s.n. Riverside Perris Basin, 2 mi NE of Perris, flood control channel between Perris Blvd, & Murrieta St., parallel to Nuevo Rd c. 1/4 mi N. 442 Comment
  RSA522746  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3855 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
  RSA388425  Polygala cornuta var. fishiae Robert F. Thorne, S. D. Boyd, Earl Lathrop 1985-7-18 61187 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  CLARK-A1528-759  Polygonum aviculare Roberta H. Smith 1969-5-6 33 Riverside Riverside 152 Comment
  SDSU13387  Polypodium californicum Shasta Gaughen, M. G. Simpson 2000-4-1 4 Riverside Intermittent stream bed ca. 200 yards east of Northside Field Station, Santa Margarita Ecological Reserve (SDSU). 305 Comment
  UCR156101  Polypogon monspeliensis T. B. Salvato, Kent Beaman 2005-5-16 846 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
  UCR167426  Polypogon monspeliensis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  RSA104886  Populus fremontii H. de Forest 1925-4-17 s.n. Riverside Indio. Comment
  RSA735355  Populus fremontii Keith E. Hoffmaster 1937-3-16 746 Riverside Near Palm Springs Station Comment
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Aug 27 2011
  UC729747  Populus fremontii subsp. fremontii Carl B. Wolf 1932-4-28 3084 Riverside along the Colorado River near Blythe Bridge (Colorado Desert); , along the Colorado River 91 Comment
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Mar 26 2011
  SD157475  Populus trichocarpa Bill Knerr 1998-7-1 Riverside S16 (Pala Road) junction with Rainbow Heights Road, 3.4 miles south of Hwy 79. Comment
  JEPS35439  Porophyllum gracile W. L. Jepson 1928-4-25 12622 Riverside Eagle Mts., Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  RSA234114  Porophyllum gracile R. F. Thorne, R. Carolin 1967-3-21 41644 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  UC420632  Portulaca oleracea F. M. Reed 1905-9-25 Riverside Riverside Comment
  CAS-BOT-BC452157  Potamogeton diversifolius P. A. Munz 1922-9-6 6380 Riverside Hidden Lake, San Jacinto Mts 2438 Comment
  RSA198981  Potamogeton foliosus Robert F. Thorne, E. Lathrop, Philip A. Munz 1968-5-8 37564 Riverside Santa Rosa Plateau: Shallow water of vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  UCR95362  Potamogeton pusillus E. W. Lathrop 1969-5-29 7079 Riverside Peninsular Range; Santa Ana Mtns., 8 miles west of Murrieta; Santa Rosa Plateau, Mesa de Colorado Comment
  RSA13653  Potentilla glandulosa subsp. nevadensis Philip A. Munz 1922-7-6 5987 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  CAS-BOT-BC144849  Potentilla rimicola Ralph Hoffman 1929-9-6 s.n. Riverside San Jacinto Mt. 2438 Comment
  UC2026428  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10062 Riverside COLORADO-MOJAVE DESERT TRANSITION, LITTLE MARIA MOUNTAINS: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. Comment
  UCR167324  Proboscidea althaeifolia Scott D. White, J. Wood 2005-10-4 11235 Riverside San Gorgonio Pass, Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River 595 Comment
  RSA770434  Prosopis glandulosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4565 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD211455  Prosopis glandulosa var. torreyana Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1216 Riverside 30 miles west of Blythe near Palen Dry Lake. About two miles south, southeast from the north end of Palen Dry Lake. Access the area from the Corn Springs exit from I-10. Comment
  UC61545  Prosopis glandulosa var. torreyana Miss Mary McKibben May 1904 Riverside Mecca; Colorado Desert -60 Comment
  CAS-BOT-BC151116  Prunus fremontii Nancy Ryan Zabriskie; Walter Zabriskie 1969-4-27 201 Riverside Andreas Canyon near Palm Springs, North Canyon 304 Comment
  OBI45185  Prunus fremontii Dave Hawks 1987-3-2 s.n. Riverside Terwilliger Valley,5 mi E of Anza 1280 Comment
  SEINET3076903 Image available Prunus fremontii W. H. Earle 1977-1-14 Riverside Rte 74, 10 mi S of Palm Desert, Santa Rosa Mountains. 945 Comment
  RSA450255  Prunus virginiana var. demissa J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, north fork of San Jacinto River. Comment
  RSA180326  Pseudognaphalium biolettii E. W. Lathrop 1965-4-4 5620 Riverside 8 miles west of Murrieta Comment
  RSA543188  Pseudognaphalium biolettii Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 s.n. Riverside Vail Lake region, alluvial benches along Kolb Creek, S of Hwy 79 at Jtn w/ Woodchuck Rd. 494 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
  CAS-BOT-BC356793  Pseudognaphalium californicum A. C. Sanders 1997-3-19 20007 Riverside Lake Skinner area: slopes N of Tucalota Creek ca. 3/4 mi. (1.25 km) E of the lake 470 Comment
  UCR281574  Pseudognaphalium leucocephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 81 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  RSA0125103  Pseudognaphalium microcephalum Duncan S. Bell 2016-10-27 10212 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  CLARK-A1045-184  Psilocarphus brevissimus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCR281249  Psilocarphus brevissimus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 37 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  POM13050  Psilostrophe cooperi P. A. Munz, D. D. Keck 1922-4-12 4848 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  UCR132422  Psoralea macrostachya A. C. Sanders 2004-2-6 27385 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  CAS-BOT-BC353583  Psorothamnus arborescens var. simplicifolius O. F. Sillig 1911-5-21 s.n. Riverside Palm Springs, Colorado Desert Comment
  HSC14686  Psorothamnus emoryi L. S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
  SBBG68076  Psorothamnus emoryi R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  RSA167563  Psorothamnus schottii Robert F. Thorne, R. Rutherford 1964-4-12 33655 Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
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Apr 25 2011
  SBBG29378  Psorothamnus schottii D. Myrick 1968-3-2 1800 Riverside Desert Hot Springs 304 Comment
  UC866004  Psorothamnus schottii I. W. Clokey, B. C. Templeton 1930-4-9 4688 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  UCR166543  Psorothamnus schottii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10891 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  SEINET7453014  Psorothamnus schottii H. M. Hall 5990 Riverside Colorado Desert, near Indio 30 Comment
  POM22365  Psorothamnus spinosus Marjorie D. Clary 1929-10 s.n. Riverside Coachella Valley Comment
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Jul 24 2010
  POM68415  Psorothamnus spinosus Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  SD224975  Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. 22 Comment
  SEINET6656793  Psorothamnus spinosus John R. Crutchfield 1965-6-16 212 Riverside 25 mi N of Blythe, along the Colorado River. Off U.S. Hy. 95.; 0 Comment
  UC52159  Psorothamnus spinosus E. E. Schellenger July 25 1903-Aug 14, 1903 2 Riverside Chuckawalla Bench, Colorado Desert Comment
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Aug 27 2016
  UC534841  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 243 Comment
  CAS-BOT-BC421260  Pterostegia drymarioides John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges: City of Temecula, immediately N and S of Murrieta Hot Springs Rd. along San Diego Aqueduct right-of-way. 396 Comment
  JOTR30998  Pterostegia drymarioides La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1304 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  RSA180371  Pterostegia drymarioides E. W. Lathrop 1960-6-8 4927 Riverside 14 miles west of Murrieta. Comment
  UC1608272  Pterostegia drymarioides Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7326 Riverside San Mateo Canyon from confluence with Los Alamos Canyon (downstream to concluence with Tenaja Canyon); S. Santa Ana Mts., San Mateo Canyon Wilderness Area 365 Comment
  UC455210  Pterostegia drymarioides I. J. Condit 1910-6-24 Riverside San Jacinto Mts., rd. to Idyllwild Comment
  UCR237627  Pterostegia drymarioides Duncan S. Bell 2010-3-20 608 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  UCR241821  Pterostegia drymarioides A. C. Sanders, Timothy W. Chumley 2013-4-2 40755 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UC72989  Purshia tridentata var. tridentata M. F. Gilman 1904-1 36 Riverside Banning Comment
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Mar 13 2011
  RSA0086467  Quercus Mitch Provance 2012-4-27 412 -18 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-1- and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR278374  Quercus Mitch Provance 2012-9-5 912- 15 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  UC1135504  Quercus X acutidens A. Lewis 1934-5-1 439 Riverside 1 mi e Ortega Highway; Cleveland National Forest, Elsinore Quad. 944 Comment
  UC5837  Quercus X acutidens Samuel B. Parish 1891-11-3 2256 Riverside near Murietta Comment
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Jul 15 2009
  RSA38770  Quercus X munzii P. A. Munz 1947-8-21 12270 Riverside [No location information on label.] Comment
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Jul 24 2019
  CAS-BOT-BC418623  Quercus agrifolia Andrew Townesmith; Karen M. Meyer; Tracy Scott 2007-3-11 673 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  SD152836  Quercus agrifolia Steve Boyd, Tim Ross 1992-5-5 7217 Riverside San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR158907  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31545 Riverside San Jacinto Mtns., Vandeventer Flat along Hwy 74, 1.2 mi. west of Santa Rosa Mtn. Rd., just west of entrance to Santa Rosa Indian Reservation 1402 Comment
  RSA19221  Quercus berberidifolia R. S. Woglum 1938-5-1 1602 Riverside Hemet, So toward Aguanga Comment
  SDSU13623  Quercus berberidifolia W. Miller with C. Mosse 1972-7-19 Riverside Comment
  UCD105640  Quercus berberidifolia K. M. Meyer; A. Townesmith, T. Scott 2007-3-18 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd., S of Lake Hemet, from Rt. 74. 1467 Comment
  UCR273005  Quercus berberidifolia Mitch Provance 2012-8-30 17431 Riverside San Bernardino Mountains, Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River 1067 Comment
  UCR53306  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  CAS-BOT-BC62441  Quercus chrysolepis Scott D. White 1996-8-1 4443 (1 of 2 replicates) Riverside San Jacinto Mts., Idylwild area. North of Strawberry Valley, between Bear Trap Cyn and Lily Creek. 1615 Comment
  RSA769026  Quercus chrysolepis E. W. Lathrop 1968-5-22 6914 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCSB1061  Quercus chrysolepis Neely, William 1948-10-3 Riverside Hill slopes of Fern Valley, Idyllwild, San Jacinto Mts. 2072 Comment
  SACT002624  Quercus chrysolepis A. Delisle 1961-6-25 Riverside Moist slope mostly in cooler areas. Comment
  RSA0097948  Quercus cornelius-mulleri Duncan S. Bell 2014-11-14 7725 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCD14093  Quercus cornelius-mulleri Stephen K. Langer 1995-4-6 s.n. Riverside California, San Diego Co.; Smuggler's Canyon, Anza-Borrego Desert State Park; Comment
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Feb 22 2013
  RSA180340  Quercus engelmannii E. W. Lathrop 1965-3-29 5607 Riverside 12 miles west of Murrieta-Tenaja Range Comment
  RSA509348  Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flats, Santa Rosa Mountains, along Horsethief Creek where the trail from Dolomite Mine crosses. 1100 Comment
  SDSU13622  Quercus engelmannii W. Miller with C. Mosse 1972-7-20 Riverside 75 yards past fork next to olive trees. Comment
  UCR155338  Quercus engelmannii A. C. Sanders, Mike Misenhelter 2005-3-23 29264 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  JOTR36185  Quercus john-tuckeri La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3334 Riverside Joshua Tree National Park. Queen Mountain; near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  CAS-BOT-BC104314  Quercus palmeri J. E. Cole 1947-2-6 1001 Riverside Lower Covington Flat 1463 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
  RSA654163  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22279 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  SEINET10678265  Quercus turbinella subsp. turbinella Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-19 Meyer 23 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  UCR262386  Quercus wislizeni Tom Scott 2011-1 2011- 573 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01, c. 6.1 miles up canyon 1470 Comment
  CLARK-A1528-2914  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Box Springs Mountains 518 Comment
  SACT002731  Quercus wislizeni var. frutescens A. Delisle 1961-6-25 Riverside Alendale Pines Riverside, Ca Comment
  RSA608220  Rafinesquia californica R. S. Woglum 1941-5-17 3058 Riverside Peninsular Ranges / Sonora Desert transition: Horse Canyon off Coyote Canyon. Comment
  CAS-BOT-BC362631  Rafinesquia neomexicana F. O. Ballou 1926-3-27 s.n. Riverside Murray Canon [Canyon] Comment
  HSC6083  Rafinesquia neomexicana R. A. Eagle 1964-3-28 13 Riverside 4 mi. out of Palm Springs Comment
  RSA708490  Rafinesquia neomexicana Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10884 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  UC566695  Rafinesquia neomexicana Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  UCR233149A  Rafinesquia neomexicana Jim Andre, Glenn L. Clifton 2011-2-22 17463 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  SD186312  Ranunculus californicus Andy C. Sanders 2004-4-20 27558 Riverside Santa Ana Myns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego County line 640 Comment
  POM13202  Ranunculus californicus var. austromontanus P. A. Munz, I. M. Johnston 1922-5-20 5462 Riverside 1.5 mi below Kenworthy 1418 Comment
  POM295  Ranunculus cymbalaria var. saximontanus D. L. Crawford 745 Riverside At side of Lake Riverside. Comment
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Sep 3 2011
  UC870815  Rhamnus crocea C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4733 Riverside Gavilan Peak 700 Comment
  UCR201406  Rhamnus crocea Scott D. White, Angelia Carey 2004-6-4 10480 A Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR133453  Rhamnus ilicifolia Tracy Tennant, J. S. Ross 1998-7-28 MOR- 669 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, upper Millard Cyn. (polygon M16) 1372 Comment
  RSA674923  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam De Vries 2000-4-25 7731 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UCSB26759  Rhododendron occidentale Wilken, Dieter 1969-6-30 Riverside Black Canyon, along County Road R1, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  CAS-BOT-BC200035  Rhododendron occidentale var. californicum Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38120 Riverside San Bernardino National Forest, San Jacinto Mts.: Above & in James Reserve 1676 Comment
  IRVC88  Rhus ovata D. DeVault 1965-4-24 s.n. Riverside Upper San Juan Creek Camp; Ortega Highway. Santa Ana Mountains Comment
  RSA650223  Rhus ovata G. W. Mason 1949-1-23 s.n. Riverside Found in Batista Canyon 7-10 miles east of Hemet 518 Comment
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Apr 29 2011
  UC1130532  Rhus ovata A. Lewis 1934-3-4 305 Riverside Tin Mine Canyon; Cleveland National Forest 701 Comment
  JEPS66273  Rhus trilobata W. L. Jepson 1928-4-25 12571 a Riverside Cottonwood Spring; Colorado Desert 731 Comment
  RSA753547  Rhus trilobata Michael Wall 2009-6-12 520 Riverside San Jacinto Valley, Bautista Canyon Rd. ca. 8.0 miles SE of jct. with Fairview Ave. 762 Comment
  RSA594511  Rhus trilobata var. pilosissima D. L. Banks, Dylan Hannon 1996-5-3 998 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  RSA263679  Ribes californicum var. hesperium E. W. Lathrop 1968-5-22 6925 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA797261  Ribes cereum Robert F. Thorne, Walter Wisura 1977-9-17 50799 Riverside San Jacinto Mountain: summit. 3293 Comment
  CAS-BOT-BC173140  Ribes indecorum Raymond Lindholm 1961-2-27 s.n. Riverside Reche Canyon Comment
  SD73602  Ribes indecorum Helen V. Witham 1970-4-29 819 Riverside Palms to Pines Highway 2.0 miles east of Lake Hemet. 1299 Comment
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Jan 25 2010
  UCR3196  Ribes indecorum Chuck Elliott 1964-3-3 s.n. Riverside Peninsular Range, [Two Trees Canyon, Box Springs Mtns.] 0.25 mi past Two Trees Road and Belvedere 366 Comment
  SD27979  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  UCR87942  Ribes malvaceum var. viridifolium A. C. Sanders 1994-1-30 14226 B Riverside Box Springs Mtns., head of Two Trees Canyon 686 Comment
  RSA651710  Ribes nevadense Diane M. Ramirez 1983-5-1 3 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  UC489157  Ribes nevadense C. V. Meyer June 1927 174 Riverside Dark Canyon San Jacinto Mts. 1828 Comment
  UCR137047  Ribes quercetorum A. C. Sanders 2004-5-5 27766 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
  RSA0013155  Ribes roezlii var. roezlii LeRoy Gross, Duncan S. Bell 2013-4-30 6036 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  SD229188  Ribes roezlii var. roezlii Dick Schwenkmeyer 2012-4-17 691 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR25953  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  RSA699219  Rosa californica Jeanne Paxton 1934-4-16 s.n. Riverside Hagador Canyon Comment
  UC1608273  Rosa californica Steve Boyd and Dave Bramlet 1993-5-12 7323 Riverside along stream from confluence with Los Alamos Canyon to confluence with Tenaja Canyon; Southern Santa Ana Mountains, San Mateo Wilderness Area, San 365 Comment
  UCR46719  Rosa californica B. G. Pitzer, D. C. Hawks 1986-12-2 360 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  POM204505  Rumex acetosella M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  SEINET3087570 Image available Rumex crispus J. Freeman 1988-5-29 Riverside Santa Ana River 0.25 mi E. of Hamner Ave. on N. side 274 Comment
  CAS-BOT-BC433584  Rumex hymenosepalus Howard Scott Gentry 1957-3-10 16383 Riverside Aguanga: along road to Sage by arroyo near School House. 670 Comment
  SD73632  Rumex hymenosepalus Helen V. Witham 1970-5-1 852 Riverside Sandy wash, southeast of Hemet 800 Comment
  RSA466124  Rumex salicifolius var. denticulatus M. B. Dunkle 1933-7-20 3703 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR41218  Rumex salicifolius var. denticulatus N. M. Fellows, A. C. Sanders 1985-5-7 176 Riverside San Jacinto Mountains, 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 488 Comment
  RSA90061  Rumex salicifolius var. denticulatus E. K. Balls, Percy C. Everett 1953-8-19 18546 Riverside Red Fir Forest; Santa Rosa Spring 2134 Comment
  POM19661  Rumex salicifolius var. salicifolius Mary F. Spencer 1923-1 2237 Riverside Idyllwild, San Jacinto mts. 1646 Comment
  JEPS65655  Rupertia rigida Carl V. Meyer 1927-6-18 780 Riverside summit of grade between Coahuila and Kenworthy; Hamilton Grade Comment
  RSA234075  Sagina decumbens subsp. occidentalis R. F. Thorne 1969-6-6 39337 Riverside Santa Rosa Plateau: Ranch California; along small stream. 610 Comment
  RSA5232  Sagina saginoides C. B. Wolf 1932-4-5 3958 -A Riverside 1st really wet meadow on trail from Tahquitz Valley to San Jacinto Peak. 2744 Comment
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Aug 11 2012
  HSC14317  Salazaria mexicana C. L. Hitchcock, C. V. Muhlick 1964-3-22 23249 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  POM3991  Salazaria mexicana I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. 457 Comment
  CAS-BOT-BC421494  Salicaceae L. Nye; G. Gust 2005-3-11 66 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  RSA653223  Salix John Wallace, Steve McNabb 1991-5-5 11 Riverside Colorado River. Comment
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Jun 13 2012
  UC809721  Salix exigua Philip A. Munz 1949-4-13 13046 Riverside wash above Cottonwood Springs; Colorado Desert, w end Eagle Mts. 1097 Comment
  UCR138719  Salix exigua Julie A. Greene 1993-4-17 1220 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  POM186278  Salix gooddingii C. Epling, Joseph A. Ewan 1933-5-12 7606 Riverside South shore Lake Elsinore. Comment
  SEINET10626236  Salix gooddingii Nye Leith, Greg Gust 2005-3-11 Nye 57 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  UCR127541  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR139631  Salix gooddingii A. C. Sanders 2004-6-30 28400 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  RSA191446  Salix laevigata E. W. Lathrop, Robert F. Thorne 1967-9-26 6633 Riverside 6 miles NW of Murrieta. Comment
  RSA701561  Salix laevigata Steve D. Boyd, Aydee Virgen 2004-4-13 10847 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC634547  Salix laevigata H. L. Mason 1928-3-10 4170 Riverside Snow Creek Colorado Desert, White Water River Valley, Snow Creek Comment
  HSC79770  Salix lasiandra var. lasiandra James Henrickson 1973-3-18 8617 Riverside 37 mi. E of Temecula on Coyote Canyon Trail, SE of Terwilliger, 3 mi. N of San Diego Co. line 701 Comment
  CLARK-A1528-832  Salix lasiolepis C. M. Flanagan 1973-6-13 OO 706 Riverside Morongo Indian Reservation Comment
  CAS-BOT-BC125731  Salix nigra Marcus E. Jones 1930-4-2 26030 Riverside Blythe Comment
  UCR103730  Salsola australis A. C. Sanders 1997-3-19 20035 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  RSA606303  Saltugilia australis Jon E. Keeley 1994-4-22 25338 Riverside Shipley Reserve. 590 Comment
  SD143742  Saltugilia australis A. C. Sanders, P. MacKay, et al. 1997-5-4 20650 Riverside San Jacinto Mountains; north side along Highway 243, 1.5 mile below Twin Pines Ranch Road (McMullen Flat), north slope of peak 3740. 1067 Comment
  UC1075821  Saltugilia australis Verne Grant 1955-5-17 9596 Riverside crest of Santa Ana Mts. crest of Santa Ana Mts. (near hwy 74, Riverside-Orange County) 810 Comment
  UC416726  Salvia Fred M. Reed 1908-3-8 2250 Riverside vicinity Riverside (Box Springs Mt.); , Box Springs Mt. Comment
  UCR207924  Salvia O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA411321  Salvia apiana N. C. Cooper 1944-5-19 1299 Riverside Banning. 701 Comment
  RSA613860  Salvia apiana Scott D. White, Julie Greene 1997-3-12 4779 Riverside Sun City: near I-215 Freeway, S of Perris and N of Menifee. Low hills E of Bavaria Dr. 488 Comment
  UCR117096  Salvia apiana A. C. Sanders, T. B. Salvato 2001-5-16 24289 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  LA69937  Salvia clevelandii Harlan Lewis; 1936-6-17 7965 Riverside Santa Ana Mts., Tenaja Road, about 2.5 mi. S of Tenaja Guard Station on rd. to Santa Margarita Peak 609 Comment
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Mar 11 2014
  RSA543758  Salvia columbariae Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6058 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
  RSA614627  Salvia columbariae D. L. Banks 1997-3-29 1569 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
  UCR256802  Salvia columbariae T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7866 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  UCR4171  Salvia columbariae R. H. Sauer 1965-4-7 s.n. Riverside Box Springs Mtns., just east of [railroad] tracks c. 0.25 mi. south of end of Big Springs Road, Riverside. 366 Comment
  UCR89534  Salvia dorrii var. pilosa Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Lost Horse Valley, along Cal Riding and Hiking Trail, just east of Ryan Campground 1341 Comment
  CLARK-A1528-5347  Salvia greatae John C. Roos 1949-3-19 4101 Riverside Orocopia Mountains Comment
  SD16503  Salvia greatae Fidella G. Woodcock Apr 1922 Riverside 30 miles from Mecca, 6.0 miles from Dos Palmas, near Salton Sea. Comment
  OBI13539  Salvia mellifera Tracey & Viola Call, Viola Call 1962-4-13 2124 Riverside tin Mine Cyn near Corona 351 Comment
  SD225011  Salvia mellifera A. C. Sanders, G. Wainer, B. Ehdaie, A. Aryavand 1997-3-12 19871 Riverside Lake Kninner area: lower Rawson Canyon, just NE of the lake along the road. 456 Comment
  UCR124652  Salvia mellifera B. C. Templeton, I. W. Clokey 1930-4-9 1067 Riverside Moreno Badlands, Moreno Grade, west of Beaumont 600 Comment
  CLARK-A1528-3122  Salvia mohavensis John C. Roos 1965-6-23 Riverside Lost Palms Canyon Comment
  POM159833  Salvia mohavensis E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  UCR17525  Salvia pachyphylla Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA448915  Salvia vaseyi Gale Sphon 1955-5-22 s.n. Riverside 5 miles south of Pinon Flats, Palms to Pines Hiwy. [74]. Comment
  RSA376135  Sambucus mexicana R. F. Thorne, Steve D. Boyd, Earl Lathrop 1985-7-18 61284 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  UC1979556  Sambucus nigra subsp. caerulea Darin L. Banks, Steve Boyd 1995-5-3 270 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. Comment
  UC917896  Sambucus nigra subsp. caerulea Frank W. Gould 1943-4-17 2111 Riverside 12 miles south of Corona Comment
  RSA471419  Sanicula arguta Robert Gustafson 1983-4-18 2506 Riverside Clinton Keith Road, about 5 miles from its junction with Highway 15, eastern slopes of Santa Ana Mountains, Santa Rosa Plateau. 549 Comment
  RSA552728  Sanicula bipinnatifida Steve Boyd, Timothy S. Ross 1992-3-31 6770 Riverside Santa Ana Mountains, clay soil areas on Elsinore Peak. 1011 Comment
  UC219265  Sanicula bipinnatifida P. A. Munz and I. M. Johnston 1922-5-19 5373 Riverside Menifee Valley 411 Comment
  RSA674922  Sanicula crassicaulis Scott D. White, P. De Vries 2000-4-25 7732 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  RSA748816  Sanicula crassicaulis G. Gust, L. Nye 2005-3-12 558 Riverside Cleveland National Forest. Hwy 74 W of lower San Juan Picnic Area at pullout W side of Santa Ana Mtn. Range. 495 Comment
  POM305707  Sanicula tuberosa Henry J. Ramsey 1939-4-22 I- 32 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA570234  Sanicula tuberosa Steve Boyd, Timothy S. Ross 1993-3-23 7908 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Small area of native grassland on break in slope, west side of trail extending south from end of Woodchuck Road. 732 Comment
  UCR79241  Sanicula tuberosa Steve Boyd 1992-4-15 6863 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon 412 Comment
  POM15028  Sarcodes sanguinea Mary F. Spencer 1922-6-26 1206 Riverside Idyllwild. San Jacinto Mts. 1707 Comment
  SEINET238555 Image available Sarcodes sanguinea George K. Helmkamp 1998-6-27 4128 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  UCR16136  Sarcostemma cynanchoides S. M. Chambers 1970-4-12 6 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, near the bottom station of Palm Springs Aerial Tramway, Chino Canyon 765 Comment
  UC105440  Sarcostemma cynanchoides subsp. hartwegii J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  UC310837  Sarcostemma cynanchoides subsp. hartwegii Philip A. Munz 1925-5-20 9845 Riverside Aguanga Valley Comment
  UC1075574  Sarcostemma hirtellum P. C. Everett and E. K. Balls 1956-5-2 21558 Riverside 0.8 mi. n. of junction 60/70 along rd. to Eagle Mt. Pumping Station 365 Comment
  UCR189553  Satureja chandleri Diane Menuz 2006-6-6 141 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Miller Canyon, 1 hour hike from road 549 Comment
  POM1588  Saxifraga californica Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  CSUSB57  Schinus molle Peggy Merritt 1972-5-5 Riverside Lot on NE corner of Park and 7th streets. Dry waste place. Comment
  SEINET7072825  Schismus arabicus A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  CLARK-A1656-759  Schismus barbatus Theo Glenn 1979-3-11 Riverside San Jacinto Mountains Comment
  RSA614179  Schismus barbatus D. L. Banks 1997-2-17 1280 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, along Pechanga Road in the Reservation, approximately 10 m west of the Pechanga Tribal Government Center. 367 Comment
  JOTR36425  Schoenoplectus americanus La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3370 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA14335  Schoenoplectus americanus E. C. Jaeger 1921-7-15 1187 Riverside Massacre Canyon, near San Jacinto. Comment
  UCR130151  Schoenoplectus americanus F. R. Fosberg 1932-3-13 08079 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  UCR20979  Schoenoplectus americanus A. C. Sanders, S. D. Boyd, J. Zabriskie 1980-4-17 1338 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  POM14336  Schoenoplectus maritimus Phillip A. Munz 1922-4-29 5107 Riverside [Sedco] Station, south of Elsinore. Comment
  RSA289862  Schoenoplectus maritimus B. A. Prigge 1980-12-15 4114 Riverside Whitewater Marsh: 4 miles S of Mecca. -70 Comment
  CSUSB1016  Scirpus robustus Emily E. McGregor 1972-4-15 Riverside Santa Ana River Santa Ana River bottom, off Freemont Drive. Comment
  SEINET1004420  Scrophularia californica A. C. Sanders 2004-1 28393 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi E of Murrieta Rd. and 1 mi N of Bundy Canyon Rd., ca. 5 miles due south of Sun City 469 Comment
  SD236321  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Mitch Provance 2008-7-11 35803 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 1449 Comment
  UCD125769  Scutellaria mexicana G. L. Webster; R. Hildreth 1966-12-9 7459 Riverside Joshua Tree National Monument, desert scrub around 1.5 miles north of Cottonwood Springs. 944 Comment
  RSA445340  Scutellaria siphocampyloides Albert J. Perkins 1916-9-4 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  UCSB33326  Scutellaria siphocampyloides Gliessman, Stephen 1968-7-18 Riverside along Saunders Road; 0.5 mile north of junction with Idyllwyld Road; San Jacinto Mountains 1600 Comment
  UCR177395  Searsia lancea John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  CAS-BOT-BC62046  Selaginella bigelovii Louis C. Wheeler 1933-12-2 2298 Riverside Tahquitz Canyon, San Jacinto Mts. 243 Comment
  RSA773193  Selaginella bigelovii Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4892 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm). 915 Comment
  UCR202013  Selaginella bigelovii 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
  UCR48495  Selaginella bigelovii Steve Boyd 1985-12-24 1195 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UC218678  Selaginella eremophila P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4865 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  POM12888A  Selaginella watsonii Philip A. Munz 1922-7-7 6045 Riverside Summit of San Jacinto Peak. 3287 Comment
  SD67907  Selaginella watsonii Reid Moran 1968-8-3 15356 Riverside 1 mile northwest of Toro Peak 2250 Comment
  SD82568  Selaginella watsonii Louis C. Wheeler 1931-10-3 Riverside San Jacinto Mountain, Tahquitz Peak 2620 Comment
  UCR114334  Senecio californicus Mitch Provance 2000-4-8 2010 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR59500  Senecio californicus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3236 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  JOTR31062  Senecio flaccidus var. douglasii La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2044 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  RSA596159  Senecio flaccidus var. douglasii D. L. Banks 1996-11-7 1219 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 60 m E of its intersection with Pechanga Creek. 396 Comment
  UC485568  Senecio flaccidus var. douglasii F. M. Reed 1905-9-25 242 Riverside Riverside Riverside (Chicago Ave.) Comment
  UC496515  Senecio flaccidus var. monoensis Philip A. Munz 1932-10-16 12840 Riverside Palm Creek Santa Rosa Mts. 1463 Comment
  CAS-BOT-BC364132  Senecio mohavensis John Thomas Howell 1928-3-24 3527 Riverside Painted Canon [Canyon], Colorado Desert Comment
  RSA726570  Senecio mohavensis Naomi Fraga, Lisa Rojas 2005-2-10 1410 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCR251920  Senecio mohavensis Jim Andre 2013-3-27 24820 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  CLARK-A1528-292  Senecio vulgaris J. D. Jacobi 1970-4-30 O 430 -6 Riverside Lakeview 274 Comment
  UCSB8569  Senegalia greggii Haller, John 1950-5-21 Riverside Coachella Valley, 2 miles up Palms to Pines Highway, near base of mountains Comment
  SD146070  Sesuvium verrucosum A. C. Sanders, D. Bramlet, et al. 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles southeast of Jackrabbit Trail on Gilman Springs Road, 0.4 miles west of Quail Lk Golf 436 Comment
  UCD92731  Setaria pumila Fred M. Reed 1904-7-31 57 Riverside Santa Ana River above Salt Lake Bridge. Comment
  SD133061  Sidalcea malviflora Scott White 1991-5-10 91 132 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 548 Comment
  UCR112824  Sidalcea malviflora A. C. Sanders 1997-5-1 20611 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  UCR138762  Sidalcea malviflora Scott D. White 1997-5-18 5166 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  CLARK-A1528-3243  Sidalcea neomexicana John C. Roos 1966-5-19 Riverside San Jacinto Valley Comment
  HSC86950  Silene gallica B. Pitzer, E. Misquez 1988-2-28 634 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  CAS-BOT-BC175127  Silene verecunda Carl B. Wolf 1932-8-5 3931 Riverside San Jacinto Mts. Summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley 2438 Comment
  SBBG71665  Silene verecunda R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns