Search Results — 2000 specimen records retrieved (1899 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR123794  Abies concolor Steven R. Hill, K. Kramer and family 2001-4-26 33472 Riverside San Jacinto Mtns., San Jacinto Wilderness west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges 2591 Comment
  CAS-BOT-BC229332  Abronia villosa K. Larson 1975-4-24 1506 Riverside Snow Creek Rd. 10 mi. NW of Palm Springs Comment
  CHSC1076  Abronia villosa E. Thomas 1939-10-26 Riverside Cathedral City. Comment
  CSUSB1079  Abronia villosa Randy Salstrom 1966-2-27 Riverside 12 miles east of Indio, beside road between Indio and Blythe near Colorado River Aqueduct. 30 Comment
  RSA314631  Abronia villosa Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Herbst 1983-4-23 55427 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA461035  Abronia villosa M. B. Dunkle 1933-3-4 3052 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SD122379  Abronia villosa Duffie Clemons, Erikl Jonsson 1988-2-13 1935 Riverside Ca. 3 miles north of I-10 along Washington St. southwest of Indio Hills. Coachella Valley. Comment
  SEINET785371  Abronia villosa Leo A. Galloway 1969-1 1084 Riverside 1.5 miles southeast of Cathedral City, State Highway 111. Comment
  SFV11879  Abronia villosa R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UC1136567  Abronia villosa H. S. Yates 1937-6-27 6719 Riverside s end of Hemet Valley; San Jacinto Comment
  UCR116812  Abronia villosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23942 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR215643  Abronia villosa Bao Doan 2010-5-31 12 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  UCR2930  Abronia villosa R. Oshima 1963-4-19 041963- 01 Riverside Colorado Desert, Coachella Valley, opposite the Raquet Club on Indian Ave., Palm Springs 177 Comment
  CLARK-A1528-3255  Abronia villosa var. aurita John C. Roos 1942-6-20 1279 Riverside San Jacinto Valley Comment
  POM122569  Abronia villosa var. aurita Marcus E. Jones 1925-4-24 s.n. Riverside Banning. Comment
  POM47006  Abronia villosa var. aurita Mary F. Spencer 1919-6-17 1330 Riverside Near San Jacinto 305 Comment
  RSA0009283  Abronia villosa var. aurita Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 6 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  RSA461202  Abronia villosa var. aurita P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  UCR127579  Abronia villosa var. villosa D. E. Bramlet 2003-5-28 3455 Riverside San Gorgonio wash, along dirt road to MWD tailings site, 1768m south of Cabazon, and 762m north of the Colorado aqueduct 545 Comment
  CLARK-A1528-456  Acacia farnesiana Charlotte Stocks 1962-5-15 Riverside Palm Desert Comment
  UC604867  Acacia greggii Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9563 Riverside Mecca Hills 2 mi up Painted Canyon; Mecca Hills Comment
  RSA1218  Acamptopappus sphaerocephalus var. sphaerocephalus B. D. Stark 1930-4-1 1491 Riverside Devils garden. Comment
  RSA314634  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne, Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55428 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SBBG56982  Achnatherum hymenoides M. N. Ackley 1928-4-4 Riverside near Edom 64 Comment
  UC819263  Achnatherum hymenoides P. A. Munz, D. Keck 1922-4-14 5005 Riverside e Whitewater Ranch; Colo. Desert 213 Comment
  SBBG57048  Achnatherum occidentale subsp. occidentale R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2590 Comment
  CAS-BOT-BC29928  Achyrachaena mollis Steve Boyd 1986-3-9 1382 Riverside Temescal Canyon: Alberhill Mtn., south slope of mtn. just east of claymine area 487 Comment
  CAS-BOT-BC384733  Achyronychia cooperi Lewis S. Rose 1936-12-29 36836 Riverside La Quinta. Alt. sea level Comment
  RSA423484A  Achyronychia cooperi M. B. Dunkle 1935-3-17 4399 Riverside Colorado Desert. 610 Comment
  RSA782193  Achyronychia cooperi Duncan S. Bell 2011-10-22 2980 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SDSU14188  Acmispon glaber var. brevialatus Michelle Perl 2002-4-20 7 Riverside Santa Margarita Ecological Reserve 1/8 mile northeast from Northside Field Station on Via Tornado Road. 339 Comment
  SD187404  Acmispon strigosus Scott D. White, Angelia Carey 2004-4-16 10174 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  RSA487427  Acourtia microcephala Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  UCR93832  Acourtia microcephala G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  UCR112805  Adenostoma fasciculatum A. C. Sanders 1997-5-1 20607 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  UCR174954  Adenostoma fasciculatum Jennifer H. Jones 2006-6-6 383 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  RSA0117833  Adenostoma fasciculatum var. fasciculatum Sarah J. J. De Groot, Thomas Stoughton 2016-4-20 7808 Riverside Along the Pacific Crest Trail at top of hill just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 830 Comment
  CAS-BOT-BC139862  Adenostoma sparsifolium Cecil Hart 1922-5-21 12 Riverside San Jacinto Pk. Comment
  JEPS98070  Adenostoma sparsifolium D. Wilken with E. Painter 2000-11-4 15869 Riverside ca. 4 mi E of Anza (State Hwy. 71, M of Burnt Valley, SE base of Thomas Mountain); San Jacinto Mountains 1400 Comment
  LA207891  Adenostoma sparsifolium Carl Epling; 1931-10-4 sn Riverside Hewitt to idyllwild Comment
Read comments
Feb 23 2014
  UC859042  Adenostoma sparsifolium I. W. Clokey and E. G. Anderson 1935-8-21 6674 Riverside w. Keen Camp P.O. 1200 Comment
  RSA783270  Adiantum jordanii J. D. Olmsted 1959-4-23 458 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona 716 Comment
  RSA0121416  Agave deserti Duncan S. Bell, LeRoy Gross 2016-3-31 9186 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  CAS-BOT-BC46153  Agoseris heterophylla S. B. Parish 1907-4-18 6155 Riverside Wash of Wests [?] Canon, Palm Spr 200 Comment
  CAS-BOT-BC139097  Agrostis pallens H. M. Hall 1901-6-1 2209 Riverside San Jacinto Mountains. Along water courses in the vicinity of Strawberry Valley. 1645 Comment
  RSA740248  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12405 Riverside Johnson Meadow 1415 Comment
  SEINET272330  Alchemilla occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: NE of Skinner Lake in a triburary to Rawson canyon along the dirt rd. 503 Comment
  UCR8263  Alhagi pseudalhagi D. O. Clark 1969-7-2 s.n. Riverside Western Colorado Desert, Coachella Valley, 2 mi west of Mecca Comment
  RSA23240  Aliciella latifolia Ernest Braunton 1940-03 2045 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  JEPS20771  Allenrolfea occidentalis Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13255 Riverside 8 mi. n. Blythe (on Hwy. U.S. 95) Comment
  RSA696215  Allenrolfea occidentalis Anonymous s.n. Riverside Colorado Desert. Comment
  RSA676104  Allionia incarnata Scott D. White 2001-4-17 8331 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  RSA69992  Allionia incarnata F. W. Peirson 1922-12-28 5221 Riverside Andreas Canyon near Palm Springs Comment
  RSA701165  Allionia incarnata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11227 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC665904  Allionia incarnata Ira L. Wiggins 1941-3-27 9682 Riverside s end of Coxcomb Mountains 8 mi ne of Desert Center; Coxcomb Mountains Comment
  UCR165828  Allionia incarnata John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  JOTR34306  Allionia incarnata var. incarnata Andre, Jim 2012-4-11 20720 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
  RSA782275  Allionia incarnata var. villosa R. W. Spjut 2007-10-12 16151 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  UCR21298  Allium burlewii A. C. Sanders, K. Berg 1980-5-1 1347 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  CLARK-A1528-2791  Allium fimbriatum John C. Roos 1941-5-10 129 Riverside Santa Rosa Mountains Comment
  CAS-BOT-BC131992  Allium haematochiton J. C. Roos 1966-3-24 s.n. Riverside Bundy Canyon Road east of Elsinore Comment
  RSA675055  Allium haematochiton Scott D. White 2001-5-1 8438 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UCR48386  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  RSA190622  Allium lacunosum var. davisiae L. B. Ziegler 1967-6-25 s.n. Riverside Kenworthy Ranger Station, south end of San Jacinto Mountains. 1616 Comment
  CAS-BOT-BC472711  Allium lacunosum var. lacunosum W. L. Jepson; H. M. Hall 1901-5-17 1858 Riverside Riverside to Santa Rosa Peak and Palomar, East base San Jacinto Mt 1280 Comment
  IRVC26140  Allium munzii B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1477 Riverside near Gavilan Peak, W of Perris Gavilan Hills 400 Comment
  UCR24101  Allium peninsulare John C. Roos 1950-4-22 4753 Riverside Summit of Reche Canyon. 765 Comment
  UCR125761  Allium triquetrum A. C. Sanders, T. B. Salvato 2003-4-3 25830 Riverside San Bernardino Valley/Upper Santa Ana River, Riverside, UCR campus, between East Campus Drve and Parking Lot 10 335 Comment
  POM3528  Allophyllum glutinosum Jenkins, L. T. Street 1917-5-30 1948 Riverside San Jacinto Canyon. Comment
  RSA741575  Allophyllum glutinosum Scott D. White, Justin M. Wood 2008-6-17 12171 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UC52841  Allophyllum glutinosum Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mts. Comment
  UC908792  Allophyllum glutinosum Herbert L. Mason 1926-4-30 3131 Riverside 2 mi. s. Temecula Comment
  UCR23285  Althaea rosea C. Filmer 1981-5-14 81- 19 Riverside c. 20 m west of Rustin Avenue between Minerva Court and Massachusetts Avenue, City of Riverside. 305 Comment
  RSA704856  Amaranthus J. B. B. 1934-6-18 528 Riverside Snow Creek; base of San Jacinto. Comment
Read comments
Feb 16 2013
  SEINET10841605  Amaranthus albus Billy Joe Cox 1975-10-10 Cox 4221 Riverside Palo Verde, 1-3 km W, (ca 32 km S of Blythe); creosote desert scrub; sandy and gravelly entisols. 70 Comment
  RSA714661  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60. 503 Comment
  SEINET12764893  Amaranthus fimbriatus Louis C. Wheeler 1966-10-15 8985 Riverside San Jacinto Mountains, by Black Hill, by Pines to Palms Highway.; 0 975 Comment
  JEPS54324  Amaranthus retroflexus M. and J. Lesley Oct 1929 Riverside Riverside Comment
  CAS-BOT-BC13611  Ambrosia acanthicarpa Carl B. Wolf 1931-10-14 2459 Riverside Cabezon, San Gorgonia Pass. 518 Comment
  RSA425023  Ambrosia acanthicarpa J. C. Roos 1965-9-26 s.n. Riverside Hemet Valley, San Jacimto Mtns. Comment
  RSA737123  Ambrosia acanthicarpa Justin M. Wood 2008-10-15 189 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CAS-BOT-BC22595  Ambrosia dumosa George B. Grant 6729 Riverside Palm Springs Comment
  IRVC4397  Ambrosia dumosa Joseph Scott 1964-5-10 99 Riverside State Highway 74; 7 miles SE of Pinyon Flats Campground Peninsular Ranges, San Jacinto Mountains 915 Comment
  JOTR28960  Ambrosia dumosa La Doux, Tasha 2005-3-30 1196 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA777299  Ambrosia dumosa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 986 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR275449  Ambrosia dumosa Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-31 946 Riverside Sonoran (Colorado) Desert, wash crossing Midland-Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  SEINET10882134  Ambrosia dumosa David B. Dunn 1946-3-15 Dunn 2041 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  SD136928  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. San Mateo Canyon at confluence with Bluewater Canyon 328 Comment
  OBI16020  Ambrosia salsola Lewis S. Rose 1962-3-2 62013 Riverside La Quinta 3 Comment
  SEINET2052883 Image available Ambrosia salsola George K. Helmkamp, E. A. Helmkamp 1998-2-18 2744 Riverside Chuckwalla Mts., raham Pass Rd. 10.6 mi. SSW of Chuckwalla Valley Rd. 487 Comment
  UCD166243  Ambrosia salsola Jack Major 1962-4-17 777 Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  JEPS45999  Ammannia robusta W. L. Jepson 1912-11-1 5270 Riverside near Blythe (Palo Verde Valley); Palo Verde Valley 45 Comment
  RSA220980  Amorpha californica E. W. Lathrop 1966-5-8 6454 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA768578  Amorpha fruticosa Justin M. Wood 2010-5-19 1847 Riverside Santa Ana River: 0.4 miles downstream of Prado outlet channel. 137 Comment
  UCR214547  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37860 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR116672  Amsinckia menziesii A. C. Sanders, Carolyn Washburn 2001-5-10 24241 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UC1095300  Amsinckia tessellata var. tessellata Peter H. Raven, D. Kyhos 1957-2-15 11572 Riverside Corn Springs; Chuckawalla Mountains Comment
  UCR249660  Amsinckia tessellata var. tessellata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7297 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UC878736  Amsonia tomentosa I. W. Clokey 1935-4-17 6792 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
  UCR60837  Anagallis minima R. F. Thorne 1973-5-23 43855 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  CAS-BOT-BC400338  Anemopsis californica A. C. Sanders; D. Bramlet; Mihai Costea; T. Salvato 1999-10-15 23183 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  SBBG101790  Anemopsis californica S. Boyd, t. Ross 1991-6-14 6369 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  RSA761324  Angelica Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 682 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JOTR31072  Anisocoma acaulis La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2335 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  CAS-BOT-BC64116  Anisocoma acaulis Edmund C. Jaeger 1921-6-20 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA735853  Anthemis cotula Scott D. White, Justin M. Wood 2008-4-15 11876 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  SD148268  Anthriscus caucalis A. C. Sanders, Mark Elvin and M. S. Enright 2002-4-16 24958 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1.0 mile east of Mt. Eden, southwest of Beaumont. 548 Comment
  RSA114636  Antirrhinum coulterianum Verne Grant 1955-5-17 9599 Riverside On crest of Santa Ana Mts near hwy 74. 811 Comment
  SBBG122774  Antirrhinum coulterianum A. Parikh 1990-4-27 159 Riverside W of Rawson Cyn, 1.7 km WSW of jct of Crown Valley Rd and Rawson Rd 696 Comment
  SEINET7048204  Antirrhinum kelloggii Steven R. Hill, Andrew C. Sanders 2001-5-4 33716 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  RSA180423  Apiastrum angustifolium E. W. Lathrop 1965-5-9 5729 Riverside 6 miles W of Murrieta. Comment
  UCR174458  Apiastrum angustifolium A. C. Sanders 2006-5-19 32388 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
  UCR52584  Arabis Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns, along dirt road to the north of Castille Canyon Dr. at Poppet Flat, off Hwy 243. Comment
  RSA482629  Arabis pulchra Mark Morris 1929-3-17 14884 Riverside Palm Canyon. Comment
  UCR17061  Araujia sericifera O. F. Clarke 1970-7-27 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, University of California campus, orchard south of Pennsylvania Ave. [now Martin Luther King Blvd] and west of Canyon Crest Drive 336 Comment
  POM12140  Arceuthobium campylopodum Mary F. Spencer 1921-7-6 1078 Riverside Idyllwild. 1616 Comment
  RSA629357  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15541 Riverside Rd to Elsinore Pk., 1 km S of Elsinore Pk. Santa Ana Mtns. 950 Comment
  RSA629377  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16857 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  SD180714  Arctostaphylos glandulosa C. Matt Guilliams 2007-8-2 406 Riverside Santa Margarita Ecological Reserve, along Highlands Trail at northern rim of mesa-top. 654 Comment
  UCR273478  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42623 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 at McGaugh Rd., west slope of the mountains below Mountain Center 1314 Comment
  RSA635600  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-7-17 16754 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  RSA629366  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16821 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 Comment
  RSA629443  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16757 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  RSA631825  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16609 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  UCR48503  Arctostaphylos glauca Steve Boyd 1986-4-19 1704 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  POM367327  Arctostaphylos glauca var. glauca C. B. Wolf 1942-2-11 2649 Riverside Santa Ana Mountains, Hidden Canyon, 5mi. W. of Corona, base of Skyline Drive. 405 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
  RSA633554  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21792 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633571  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21776 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633574  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16677 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633601  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22515 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633604  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22518 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633668  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21755 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633736  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20119 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA635197  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16774 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA0038405  Arctostaphylos patula Elwood Fordham 1951-5-26 s.n. Riverside Fern Canyon, [Los Angeles County] 1219 Comment
  LA42429  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock; 1938-5-15 sn Riverside San Jacinto Mountains, Idyllwild Grade Comment
  RSA82949  Arctostaphylos pringlei subsp. drupacea R. M. Straw 1953-6-5 449 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  UC527225  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
Read comments
Mar 24 2011
  UCD52974  Arctostaphylos pringlei subsp. drupacea H. A. Jensen 1937-11-5 444 Riverside Upper Strawberry Valley; San Bernardino National Forest. 1859 Comment
  UCR110992  Arctostaphylos pringlei subsp. drupacea George K. Helmkamp 1998-6-27 4121 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  CAS-BOT-BC46338  Arctostaphylos pungens Peter H. Raven 1959-5-18 14242 Riverside Lake Fulmor, San Jacinto Mts. Comment
  CAS-BOT-BC46258  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail 462 Comment
  RSA635990  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19489 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
  RSA636028  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15061 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  SEINET9292943  Arctostaphylos viscida Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UC1040951  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-5-22 2112 Riverside 2.8 mi se Palm Springs Comment
  UCR16460  Argemone munita Anna Mayers 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, about 25 km from Chuckwalla Bench 450 Comment
  UCR3355  Argemone munita Heidi A. Haid 1964-5-10 11 Riverside Hwy 79, c. 1 mi. east of Aguanga 610 Comment
  RSA282778  Argemone munita subsp. munita C. W. Tilforth, B. Busenberg 1980-6-17 2023 Riverside South end of Thomas Mtn. Rd. south of Lake Hemet, west of Highway 74. At large square telephone signal reflector panel. Comment
  UCR199830  Aristida adscensionis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11282 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  SEINET10467838  Aristida adscensionis David B. Dunn 1946-3-15 Dunn 2026 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UCR196361  Aristida purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1378 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  JOTR33752  Aristida purpurea var. nealleyi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2750 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  POM1094  Aristida purpurea var. nealleyi I. M. Johnston 1010 Riverside Mouth of Andreas Canyon. 244 Comment
  RSA47456  Aristida purpurea var. nealleyi J. C. Roos, L. Roos 1949-4-11 4242 Riverside Hayfields [Hayfield], Colorado Desert. Comment
  CAS-BOT-BC137512  Aristida purpurea var. purpurea J. C. Roos 1965-8-15 s.n. Riverside San Jacinto Valley. Gilman Hot Springs. 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
  RSA655605  Artemisia annua O. F. Clarke 1998-9-22 s.n. Riverside Box Springs Mtns. foothills, weed in the yard at 266 Frost Court, just east of UCR 396 Comment
  CAS-BOT-BC90198  Artemisia californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-12-25 548 Riverside on trail to ridge above Eagle Peak, Andreas Canyon watershed, east slope San Jacinto Mts. 914 Comment
  CLARK-A1528-1559  Artemisia californica John C. Roos 1951-10-27 5347 Riverside Riverside 304 Comment
  RSA588813  Artemisia californica Darin L. Banks, Steve Boyd 1995-10-17 0766 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
  CLARK-A1528-1574  Artemisia dracunculus John C. Roos 1948-10-16 Riverside Beaumont Comment
  RSA508336  Artemisia dracunculus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  RSA38403  Arundo donax P. A. Munz 1946-10-20 11580 Riverside Palms to Pines Hwy at N base of Snata Rosa Mts. 1037 Comment
  HSC25817  Asclepias albicans R. W. Spjut 1972-3-20 2287 Riverside Colorado Desert, N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center. 305 Comment
  SEINET10637449  Asclepias albicans Andrew C. Sanders, E. J. Lawlor 1992-4-4 Sanders 12156 Riverside 1/2 mile of McCoy Spring; alluvial slopes below and to the south, and canyon bottom above the spring 244 Comment
  RSA0104758  Asclepias californica Mitch Provance, T. Tennant 1998-6-16 MOR- 393 Riverside Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon. 1159 Comment
  SDSU2736  Asclepias erosa D. F. Howe 1963-5-15 3482 Riverside 18 miles east of Desert Center on U.S. 60 or 70. 152 Comment
  SEINET3081706 Image available Asclepias subulata E. R. Blakley 1961-9-10 4708 Riverside Cactus City on US Highway 60-70 east of Indio 504 Comment
  CDA2687  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin; Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte. Comment
  UC399493  Aspidotis californica S. B. Parish 1908-4-4 6891 Riverside hills near <Declez> ([W end of Jurupa Hills]) Comment
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Aug 14 2010
  RSA703415  Astragalus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1456 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  JOTR34067  Astragalus acutirostris La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2964 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  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
  RSA670366  Astragalus crotalariae B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Jan 4 2012
  POM12940  Astragalus didymocarpus P. A. Munz, I. M. Johnston 1922-5-21 5545 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Mar 20 2011
  UC13340  Astragalus didymocarpus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  RSA689493  Astragalus didymocarpus var. didymocarpus Scott D. White 2001-4-19 8383 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
  UC1128783  Astragalus douglasii var. parishii H. S. Yates 1936-8-29 6382 Riverside near Pine Flat; San Jacinto Quad., near Pine Flat Comment
  UC454087  Astragalus douglasii var. parishii I. J. Condit 1910-6-21 Riverside Strawberry Valley , Strawberry Valley (San Jacinto Mts.) 1524 Comment
  CAS-BOT-BC187109  Astragalus lentiginosus var. borreganus Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  SD143257  Astragalus lentiginosus var. coachellae James C. Dice, Kimberly A. Nicol 1998-3-24 98032 2 Riverside Northwestern Colorado Desert, 5.1 miles north of Desert Center, along Stte Highway 177. 167 Comment
  SEINET5325595  Astragalus lentiginosus var. fremontii H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert, Lower Sonoran Zone, 240 Comment
  RSA124446  Astragalus lentiginosus var. variabilis Percy C. Everett, E. K. Balls 1958-4-29 23026 Riverside 5.4 miles NE along road to Rice and Vidal Junction from Desert Center. 259 Comment
  SEINET2060082 Image available Astragalus lentiginosus var. variabilis P. Leary 1975-2-16 934 Riverside S of Pinto Mountain, Joshua Tree National Monument. 518 Comment
  RSA415400  Astragalus palmeri B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Aug 27 2011
  UCR243516  Astragalus palmeri Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21074 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  SEINET12160058  Astragalus palmeri E. A. Purer 1935-1 6467 Riverside Palm Springs Comment
  UCR103186  Astragalus pomonensis Scott D. White, Julie Greene 1997-3-12 4778 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR94648  Astragalus pomonensis Scott D. White 1996-5-27 4071 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  CLARK-A1528-2760  Astragalus tricarinatus John C. Roos 1949-4-2 4131 Riverside Whitewater Comment
  PASA917  Atrichoseris platyphylla Margaret Stason 1929-4-28 Riverside Hidden Springs Comment
  UCR60765  Atrichoseris platyphylla Orlando Mistretta 1986-3-13 1454 Riverside Sonoran (Colorado) Desert, NE of Desert Center, west side Palen Mtns. 229 Comment
  RSA617983A  Atriplex argentea var. mohavensis R. E. Riefner 1997-10-15 97 -348 Riverside Lake Elsinore area: Elsinore trough betwen Willard and Murrieta Creek Comment
  POM278665  Atriplex canescens Grant D. Brown 1949-12-14 471 Riverside 1/2 mile west of Indio city limits on Hwy 99. Comment
  RSA5458  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SEINET3930580  Atriplex canescens Grant D. Brown 1950-12-2 586 Riverside cajalco Reservoir, SE; Cajalco Canyon.; 0 442 Comment
  UCR92403  Atriplex canescens F. M. Reed 1933-12-1 8423 Riverside Western Colorado Desert, dry wash east of Palm Springs 122 Comment
  POM27528  Atriplex canescens var. macilenta I. L. Wiggins 1941-3-24 9585 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line Comment
  RSA532562  Atriplex coronata var. notatior D. E. Bramlet 1991-4-29 2078 Riverside 6.5 km west of Hemet and some 350m south of Florida and 550m west of Warren. The population is some 50m east of MWD canal. 500 Comment
  RSA543882  Atriplex coronata var. notatior Steve Boyd, Dave Bramlet 1991-5-13 6238 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  SD133118  Atriplex coronata var. notatior D. Bramlet 1990-7-20 2058 Riverside 6.6 km west of Hemet and ca. 880 meters west of intersection of Florida and Warren Streets. 500 Comment
  UCR252815  Atriplex coronata var. notatior John Dvorak 2011-5-17 017 Riverside Perris Aguanga Basin, San Jacinto River, 2 km west of Menifee Road, 60 meters south of San Jacinto Avenue 434 Comment
  CAS-BOT-BC249040  Atriplex elegans var. elegans A. C. Sanders; John F. Green 2012-6-25 40307 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon near I-15 crossing of Temescal Canyon Rd. and Temescal Creek, c. 2.6 km SE of Lee (Corona) Lake 361 Comment
  SBBG129044  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13 -190 Riverside City of Lake Elsinore, along Collier St and Hwy 74 S to Temescal Wash 393 Comment
  UCR234763  Atriplex elegans var. elegans A. C. Sanders, John F. Green 2012-6-25 40307 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near I-15 crossing of Temescal Canyon Rd. and Temescal Creek, c. 2.6 km SE of Lee (Corona) Lake 361 Comment
  SD127576  Atriplex hymenelytra David Charlton 1988-2-19 1202 Riverside Orocopia Mountains; Mudstone wash north of Mecca Hills, Box Canyon on road from Cottonwood Wash to Mecca. 459 Comment
  UC1076210  Atriplex hymenelytra Herbert L. Mason 1928-3-10 4207 Riverside Hidden Springs Canyon Coachella Mountains, Hidden Springs Canyon Comment
  UC69316  Atriplex hymenelytra L. A. Greata Apr. 1905 Riverside Coachella Comment
  RSA24225  Atriplex linearis C. B. Wolf 1941-1-5 s.n. Riverside Colorado Desert, Caleb, (on S.P.R.R. siding) S. of Mecca. -61 Comment
  UC1519870  Atriplex muelleri J. C. Roos 1965-10-17 Riverside on the roadside 20 mi w Blythe; w of Blythe Comment
  CAS-BOT-BC176542  Atriplex polycarpa John Thomas Howell 1928-11-4 4086 Riverside Below Palm [Canon] Canyon on road from Indio to Palm Springs Comment
  CLARK-A1528-401  Atriplex semibaccata John C. Roos 1951-9-25 5278 Riverside Riverside 259 Comment
  UCR93049  Atriplex suberecta Steve Boyd 1986-4-19 1721 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  RSA557356  Atriplex suberecta Julie Greene 1993-6-11 1362 Riverside North of levee, west of Davis road. 436 Comment
  RSA0124821  Ayenia compacta Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8759 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Martinez Slide to the north of Toro Canyon, approximately 4.75 air miles northeast of the summit of Martinez Mountain. 152 Comment
  SD249125  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon to the north of Martinez Canyon, ca. 6.0 air miles southeast of the summit of Martinez Mountains. 394 Comment
  POM153384  Baccharis douglasii Philip A. Munz, I. M. Johnston 1928-9-12 11264 Riverside Santa Ana River, Onatrio-to-Corona road. Comment
  UCR163731  Baccharis salicifolia B. G. Pitzer 2001-11-4 4349 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  CAS-BOT-BC106628  Baccharis salicina E. W. Lathrop 1965-10-24 6019 Riverside 8 miles west of Murrieta. Plateau of the Santa Ana Mountains. 609 Comment
  RSA0035717  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40954 Riverside Wilson Valley Preserve, 0.35 air mi. south of Wilson Valley Rd. and 0.8 mi. east of Sage Rd., 1.4 mi. east (93 ) of Round Top Mountain 739 Comment
  RSA178645  Baccharis sergiloides C. B. Wolf 1932-10-12 4297 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  UCR196167  Baccharis sergiloides R. F. Thorne 1966-10-15 41819 Riverside Colorado Desert: Western Colorado Desert region/San Jacinto Mountains, Dead Indian Canyon, near Palm Desert at foot of Palms to Pines Hwy 366 Comment
  UCR20318  Baccharis sergiloides John C. Roos 1949-9-17 4660 Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Palm oasis in a side canyon on the E side of Whitewater Wash 612 Comment
  CAS-BOT-BC295888  Bahiopsis parishii John Thomas Howell 1927-8-1 2882 Riverside Near T Cross K Ranch, n. Colorado Desert 609 Comment
  CAS-BOT-BC295903  Bahiopsis parishii Marcus E. Jones 1906-4-19 s.n. Riverside San Felipe Hill, W. Colo. Desert 731 Comment
  JOTR32491  Bahiopsis parishii Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 1) 1428 Comment
  RSA600110  Bahiopsis parishii L. C. Wheeler 1959-12-27 7648 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
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Mar 3 2013
  RSA740926  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-7-9 12426 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  RSA554026  Bebbia juncea A. C. Sanders, E. J. Lawlor 1992-4-4 12137 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA782528  Bebbia juncea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38384 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04deg.) of intersection of I-15 and Lake St. 465 Comment
  RSA0121246  Bebbia juncea var. aspera Sherwin Carlquist 1958-10-12 627 Riverside Eagle Mt., pumping station. Comment
  SFV6299  Bebbia juncea var. aspera T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 53 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UC50336  Bebbia juncea var. aspera H. M. Hall 1903-4-14 3803 Riverside vicinity of Riverside (Point of Rocks); Point of Rocks 396 Comment
  RSA0048237  Beloperone californica N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Shavers Well. Comment
  CAS-BOT-BC75738  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4074 Riverside Vail Lake area, upper benches and adjacent slopes of the east flank of 'Big' Oak Mountain, just south of the east summit 701 Comment
  UCR35179  Berberis nevinii L. B. Ziegler 1977-9-20 570 Riverside Peninsular Range, Vail Lake, hills on south side of lake 488 Comment
  POM172733  Bernardia incana M. French Gilman 1930-4-6 9 Riverside [Monsen] Canyon, Eagle Mts. Comment
  RSA336407  Bernardia incana R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52074 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  HSC78731  Blennosperma nanum var. nanum A. C. Sanders, T. Glenn 1983-4-17 3728 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  CAS-BOT-BC478858  Bloomeria crocea var. aurea H. M. Hall 1901-6-1 2101 Riverside San Jacinto Mtns. 1463 Comment
  CAS-BOT-BC478936  Bloomeria crocea var. crocea Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA367331  Bloomeria crocea var. crocea N. C. Cooper 1944-7-16 1542 Riverside San Jacinto Mtns., Pine Cove. 1677 Comment
  UCR35285  Bloomeria crocea var. crocea L. B. Ziegler 1967-7-4 174 Riverside San Jacinto Mtns, S slope of Thomas Mountain 1555 Comment
  UC597596  Boechera californica Philip A. Munz 1937-5-30 15085 Riverside nw slope Santa Rosa Mts. 2133 Comment
  CLARK-A1656-805  Boerhavia coccinea Theo Glenn 1982-10-7 Riverside Snow Creek 396 Comment
  RSA0009686  Boerhavia intermedia Marcus E. Jones 1929-9-16 24796 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  CLARK-A1528-3269  Boerhavia torreyana John C. Roos 1946-11-29 3178 Riverside Hayfield Comment
  UCR233938  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 A 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
  UCR114302  Bolboschoenus maritimus subsp. paludosus Julie A. Greene 1993-4-30 1271 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  LA102177  Bouteloua aristidoides var. aristidoides John C. Roos; 1946-10-26 3139 Riverside Chuckwalla Mountains Comment
  RSA0025664  Bouteloua aristidoides var. aristidoides Deidre Conocchioli, Sarah J. De Groot 2013-9-18 50 Riverside Valley north of Chocolate Mountain range. From Desert Center: Take I -10 West for 9.2 miles. Take exit marked Red Cloud Road. Turn left to cross under the interstate, continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles., Continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles. The collecting site is along the portion of the road that runs nearly parallel with an old raised railroad for a short distance before diverging. Collecting done on both sides of road. 442 Comment
  UCR246594  Bowlesia incana A. C. Sanders 2012-3-22 39991 Riverside Peninsular Range; Elsinore Valley, city of Lake Elsinore, along Riverside Dr. (Hwy 74) NE of Baker St. at the edge of Temescal Creek 384 Comment
  JOTR30072  Brandegea bigelovii La Doux, Tasha, Bill Truesdell 2006-10-3 1715 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  JOTR35011  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  JOTR35014  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  SD80936  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi. S of Palm Desert near top of Seven Level Hill at scenic stop 669 Comment
  UC354498  Brandegea bigelovii Edmund C. Jaeger 1925-12-19 Riverside Fish Traps near Mecca 3 Comment
  UC635671  Brandegea bigelovii Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Painted Canyon; Colorado Desert, Painted Canyon Comment
  UCR103899  Brassica geniculata B. G. Pitzer 1997-4-12 3127 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  RSA0034839  Brassica geniculata Norman C. Cooper 1944-5-19 1275 Riverside Banning. 701 Comment
  HSC6599  Brassica juncea C. E. Fellows 1965-4-13 55 Riverside 5 mi. N of Palm Springs city limits on Hwy. 111, 1.5 mi. W on Snow Creek Rd. Comment
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Jun 9 2013
  SEINET3507546 Image available Brassica nigra Howard Scott Gentry 1948-5-30 8173 Riverside Southern California. Gentry Farm, ca. 3 miles NE of Murrieta. Comment
  RSA711994  Brassica tournefortii A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25832 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SFV6318  Brassica tournefortii T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 33 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  CLARK-A1528-1661  Brickellia californica John C. Roos 1951-10-19 5324 Riverside Jackrabbit Trail 609 Comment
  CAS-BOT-BC106178  Brickellia desertorum J. C. Roos 1950-11-25 5026 Riverside Dry hills at north end Perris Blvd., Sunnymead. 609 Comment
  RSA89894  Brickellia desertorum J. C. Roos, L. Roos 1950-10-28 5020 Riverside N base Mt. Russell, 1 mi SE of Moreno. 550 Comment
  SD68963  Brodiaea filifolia Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37586 Riverside Santa Rosa Plateau, vernally moist, grassy margin of vernal marsh on Mesa de Colorado, Rancho California. 671 Comment
  UCR68043  Brodiaea filifolia D. E. Bramlet 1991-5-9 3024 Riverside San Jacinto Valley, 20 m east of California Ave., NE of the intersection of California Ave. with Marvin Hull Rd 498 Comment
  RSA388328  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  IRVC17855  Brodiaea orcuttii Gordon A. Marsh, Karlin G. Marsh 1980-5-18 s.n. Riverside Santa Rosa Plateau; pool 1. Peninsular Ranges, Santa Ana Mountains Comment
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Oct 31 2016
  UCR43788  Brodiaea santarosae R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60644 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: Mesa de Colorado 625 Comment
  CAS-BOT-BC149334  Bromus arizonicus A. C. Sanders; K. Rose; D. Woodard 1995-3-22 16220 Riverside San Gorgonio Pass/San Jacinto Mountains; on and near a rocky spur at the north foot of the mountains, southwest of Verbenia Avenue, west of Snow Creek, east of Cabazon. 550 Comment
  SEINET251969 Image available Bromus arizonicus A. C. Sanders 1995-3-22 16221 Riverside San Gorgonio Pass, San Jacinto Mountains: on and near a rocky spur at the north foot of the mountains, SW of Verbenia Ave., W of Snow Creek, E of Cabezon. 390 Comment
  SD132493  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside City of Riverside; in yard at 422 Campus View Drive; beside vegetable garden in right-of-way behind house Comment
  UCR54250  Bromus carinatus David Charlton 1988-5-21 1921 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  LA13769  Bromus carinatus var. marginatus F. M. Reed; 1908-7-11 2503 Riverside San Jacinto Mountains, trail to San Jacinto Peak 3078 Comment
  UCD58347  Bromus catharticus C. R. Hursh 1919-11-30 s.n. Riverside 1 mile north of Riverside. Comment
  SDSU13932  Bromus diandrus Michael G. Simpson, Adrienne Russell 2000-4-29 2072 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCR20537  Bromus hallii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  SEINET258474 Image available Bromus orcuttianus var. hallii Unknown 1990-6-25 679 Riverside San Jacinto Mtns., ca 3 km SE of Pine Cove on San Bernardino NF Rd 5S10 1830 Comment
  RSA717337  Bromus rubens Scott D. White, Angelia Carey 2004-4-5 10013 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR154831  Bromus rubens A. C. Sanders, Mike Misenhelter 2005-3-23 29278 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  CAS-BOT-BC185644  Bromus tectorum Peter H. Raven 1959-5-18 14235 Riverside Lake Fulmor, San Jacinto Mountains. Comment
  RSA772333  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4514 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC1979866  Bromus tectorum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 879 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. Comment
  UC519700  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside San Jacinto Mountains, Idyllwild Idyllwild; San Jacinto Mountains, Idyllwild 1676 Comment
  POM14550  Caesalpinia virgata Alice Eastwood 1913-4-30 3072 Riverside Palm Springs. Comment
  RSA799249  Caesalpinia virgata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 729 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UCR124000  Caesalpinia virgata George K. Helmkamp, E. A. Helmkamp 2001-4-14 6466 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  CLARK-A1528-3812  Calandrinia ciliata John C. Roos 1952-3-19 5394 Riverside Box Springs Mountains 457 Comment
  RSA466560  Calandrinia ciliata Ora M. Clark 1929-3-2 1610 Riverside Near Elsinore. Comment
  UCR101792  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 1997-3-5 1337 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR228252  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-4-1 38930 Riverside Peninsular Range, Lake Elsinore, near intersection of Pierce St., Baker St., and Nichols Rd., flats at south side of Alberhill Mtn. 389 Comment
  SBBG54106  Callitriche heterophylla var. bolanderi E. W. Lathrop 1966-4-13 6164 Riverside 3 mi NW of Murrieta Comment
  UC1409149  Callitriche marginata Robert F. Thorne and Earl Lathrop 1969-5-12 37925 Riverside Santa Rosa Plateau on south end of Mesa de Colorado, Rancho California. 624 Comment
  UCR26355  Calocedrus decurrens A. C. Sanders, J. A. Harpel 1981-8-26 2337 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  RSA557726  Calochortus albus Steve Boyd, Orlando Mistretta 1992-4-23 7074 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Bluewater Canyon, upstream from confluence with San Mateo Canyon. 335 Comment
  UCR132932  Calochortus concolor 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
  POM14979  Calochortus invenustus Mary F. Spencer 1922-6-16 2035 Riverside Idyllwild, San Jacinto Mountains. 1707 Comment
  SEINET3101964  Calochortus palmeri Marc A. Baker, Michelle Cloud-Hughes 2011-6-12 17376 Riverside Goff Flat, 5.5km southwest of Pyramid Peak. 1625 Comment
  CHSC2242  Calochortus splendens E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  RSA377468  Calochortus splendens R. K. Benjamin 1929-5-18 234 Riverside Mt. San Jacinto. Comment
  RSA660540  Calochortus splendens Orlando Mistretta 1992-6-10 512 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  UCR156087  Calochortus splendens T. B. Salvato, Kent Beaman 2005-5-16 808 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
  RSA755595  Calycoseris parryi Scott D. White, Michael Honer 2003-5-13 9236 Riverside Shavers Valley / Cottonwood Mountains. Lower mountain slopes ca. 1 air mile N of the I-10 Freeway. 488 Comment
  UCR11336  Calycoseris parryi John M. Spencer 1971-4-17 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now J.T.N. Park], 1.5 mi. north of Cottonwood Spring campground 953 Comment
  CDA10589  Calycoseris wrightii T. C. Fuller 1963-4-23 10284 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  POM15169  Calycoseris wrightii Mary F. Spencer 1922-4-10 1955 Riverside Snow Creek prope [near] Palm Springs Comment
  POM351421  Calycoseris wrightii N. C. Cooper 1949-4-8 3312 Riverside Desert Center. 609 Comment
  SD227882  Calyptridium monandrum A. C. Sanders 1994-5-29 14578 Riverside San Bernardino Mtns.East Branch Millard Canyon, along FS Road 4S45. Roadside at a wash crossing. 1200 Comment
  UCR24124  Calystegia macrostegia John C. Roos 1950-4-22 4748 Riverside Pigeon Pass. 457 Comment
  SD197828  Camissonia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16249 Riverside San Jacinto Mountains/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Highway 111 and Snow Creek Village. 334 Comment
  RSA4387  Camissonia bistorta Dorothy R. Wolf 1932-3-20 35 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA465917  Camissonia bistorta N. C. Cooper 1949-3-15 3009 Riverside Banning. 701 Comment
  RSA465920  Camissonia bistorta M. B. Dunkle 1935-3-10 4357 Riverside Temescal Canyon 244 Comment
  SEINET7073412  Camissonia bistorta A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCR101788  Camissonia bistorta George K. Helmkamp, E. A. Helmkamp 1997-3-5 1321 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  RSA359857  Camissonia bistorta Steve Boyd 1986-4-2 1629 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR241529  Camissonia boothii A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40633 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  RSA747730  Camissonia brevipes Scott D. White, Justin M. Wood 2009-3-24 12565 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
  RSA214487  Camissonia californica Donald A. Johansen, J. A. Ewan 1932-4-10 7052 Riverside San Gorgonio Pass, Cabazon 488 Comment
  UCR112554  Camissonia californica A. C. Sanders 1998-3-17 21740 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  VVC330  Camissonia californica W. W. Mayhew 1960-3-17 s.n. Riverside Colorado Desert, 4.5 miles NW Desert Hot Springs. 482 Comment
  UC20448  Camissonia campestris subsp. campestris Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA20301  Camissonia cardiophylla Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9569 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UCR148049  Camissonia claviformis Steve Boyd, Et al. 2004-5-14 11286 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR165268  Camissonia claviformis John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA0014452  Camissonia claviformis subsp. aurantiaca Justin M. Wood, J. Miner 2010-4-29 1525 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA286430  Camissonia claviformis subsp. aurantiaca Mary H. O Brien 1976-4-14 76- 4 -14-4 Riverside 5 meters east of dirt road, 0.6 mi. no. of Amboy Rod. and 3.6 mi. east of Adobe Road in Twentynine Palms. 595 Comment
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Mar 29 2014
  RSA652361  Camissonia claviformis subsp. aurantiaca David B. Dunn, H. Lint 1955-4-1 11829 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  RSA682857  Camissonia claviformis subsp. aurantiaca Scott D. White 2003-3-20 8829 Riverside Coachella Valley: Immediately north of the I-10 / Jefferson Av. freeway interchange. 12 Comment
  SJSU10929  Camissonia claviformis subsp. aurantiaca E. V. Boro 1963-12-24 73 Riverside 5 mi Se of Desert Hot Springs 396 Comment
  UCR142868  Camissonia claviformis subsp. aurantiaca C. B. Wolf 1937-4-6 8425 Riverside Western Colorado Desert, Coachella Valley, 2 mi. NE of Edom 61 Comment
  UCR196390  Camissonia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1424 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  RSA186793  Camissonia confusa Peter H. Raven 1962-4-28 17471 Riverside Reche Canyon, 7.0 miles south of Barton Road, Loma Linda 579 Comment
  RSA792748  Camissonia confusa Robert F. Thorne 1995-3-29 63034 Riverside White Water Canyon. 600 Comment
  SDSU3353  Camissonia confusa H. Wedberg 1958-3-31 204 Riverside 10.3 miles south of Hemet on Highway 79. Comment
  UCR121687  Camissonia ignota D. E. Bramlet 1991-5-9 2137 Riverside N Domenigoni Hills, c. 0.5 mi SE of the end of Warren Rd., on large, prominent peak adjacent to old quarry, east of access road 659 Comment
  POM157885  Camissonia intermedia P. A. Munz 1927-5-20 10797 Riverside Mud flat, Murrieta Hot Springs. Comment
  POM46820  Camissonia pallida subsp. pallida Mary F. Spencer 1920-3-29 1452 Riverside In desert sand, Palm Springs, Colorado Desert. 137 Comment
  RSA772123  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4832 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  UCR88119  Camissonia refracta A. C. Sanders, G. Nuhn 1995-4-20 16584 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
  RSA789347  Camissonia strigulosa Naomi S. Fraga, Duncan S. Bell 2009-5-6 2706 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  UCR275508  Camissoniopsis D. E. Bramlet 2012-4-9 4998 Riverside San Gorgonio Pass, Banning, open fields south of Westward Ave. and east of Sunset Ave., west of 22nd St. 732 Comment
  UC410545  Camissoniopsis bistorta Mrs. E. C. Van Dyke July 1925 Riverside along rd from Idyllwild to desert Comment
  CAS-BOT-BC17706  Carex alma Philip Alexander Munz 1941-5-18 16652 Riverside Elsinore Mountains. North end of Santa Rosa Ranch, 914 Comment
  UCD169811  Carex barbarae R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 537 Comment
  RSA88679  Carex lemmonii F. W. Peirson 1924-7-27 6024 Riverside Deer Spring, Dark Canyon, San Jacinto Mountains. 2439 Comment
  RSA544377  Carex praegracilis Steve Boyd, Timothy S. Ross 1991-6-14 3692 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  SD37199  Carex sartwelliana Darley F. Howe 1941-6-8 Riverside San Jacinto Mountains; Strawberry Creek. Comment
  UCR128309  Carex senta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8642 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UC1563042  Carex triquetra Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3069 Riverside 0.25 mi e Pauba Road (s of Hwy 79); Vail Lake area 426 Comment
  UCR150971  Carex triquetra D. L. Banks 1997-2-23 1318 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  RSA221714  Castilleja applegatei subsp. martinii Noel Holmgren, Liew Fah Seong 1969-6-17 3578 Riverside County road R1, 1/4 mile above Bay Tree Spring. Comment
  RSA448693  Castilleja applegatei subsp. martinii Anstruther Davidson 1883 Riverside Idyllwild. San Jacinto. Comment
  SD107164  Castilleja minor subsp. spiralis Barbara Ertter, J. Strachan 1979-6-26 2974 Riverside Kenworthy Forest Station on Rt 74 in Garner Valley, San Jacinto Mtsflat bordering large wash Comment
  UCR49244  Caucalis microcarpa Steve Boyd 1986-4-22 1736 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  JOTR37756  Caulanthus cooperi Hodges, Stephen R. 2016-2-29 712 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  CAS-BOT-BC126757  Caulanthus lasiophyllus A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37458 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  JOTR34076  Caulanthus lasiophyllus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2971 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  SD215438  Caulanthus lasiophyllus Steve Boyd, Tim Ross, et al. 1990-4-3 4056 Riverside Vail Lake area, summit of Big Oak Mountain at east end. 792 Comment
  RSA0043377  Caulanthus major John F. Emmel 1996-6-16 1409 Riverside San Jacinto Mts.; Spitler Peak Trail, 0.0-0.1 air mile south and 0.4-0.5 air mile east of Cartridge Spring. 1767 Comment
  RSA543776  Caulanthus simulans Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6023 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCD111409  Ceanothus cordulatus R. S. Woglum 1941-6-12 3053 Ab Riverside Idyllwild. 1524 Comment
  POM262870  Ceanothus crassifolius J. C. Roos 1941-2-1 225 Riverside south of the ''Plateau'', Reche Canyon. Comment
  RSA606768  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27358 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  RSA779956  Ceanothus crassifolius Dylan O. Burge 2007-3-20 799 -c Riverside Agua Tibia Area Cleveland National Forest .66 road miles (1.05 km) from Woodchuchk Road on an abandoned fire road accessed via Woodchuck parking 0.93 road miles (1.49 km) from Hwy 79 site is 12.7 km 274 degrees (True) WNW of Aguanga 660 Comment
  SD122183  Ceanothus crassifolius James C Dice 1987-12-7 763 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River 340 Comment
  SD136149  Ceanothus crassifolius Kirsten Winter 1993-3-1 Riverside West of Vail Lake. Occasional hybrids in and near stand of C. ophiochilus (IPB 5/06) 609 Comment
  UCR79353  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-1 7722 Riverside Peninsular Range, Vail Lake area, ridge about 1 mi. west of lake, east of 'Little' Oak Mt 610 Comment
  RSA0067952  Ceanothus greggii John F. Emmel 1994-4-17 1293 Riverside San Jacinto Mts.; 0.1-0.2 air mile west of Fobes Spring, NE of Garner Valley. 1463 Comment
  RSA77718  Ceanothus greggii var. perplexans F. W. Peirson 1922-5-20 735 Riverside Hemet Valley, San Jacinto Mountains 1448 Comment
  RSA25840  Ceanothus integerrimus var. californicus Carl B. Wolf 1941-8-15 11155 Riverside Santiago Peak, N. side 0.5 mi. from Summit. 1677 Comment
  CAS-BOT-BC51281  Ceanothus leucodermis C. F. B. 1903-4-4 4144 Riverside Elsinore Comment
  SD129400  Ceanothus leucodermis Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: Along Los Gatos Road, 1/2 mi. S of Buena Vista Road (2 mi. W. of Sandia Canyon, & 0.1 mi. N of San Diego County Line) 366 Comment
  RSA262095  Ceanothus oliganthus E. W. Lathrop 1971-3-24 7467 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA263748  Ceanothus oliganthus E. W. Lathrop 1968-5-22 6905 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UC718442  Ceanothus oliganthus var. oliganthus P. C. Everett 1935-6-18 7202 Riverside 1.7 mi n Los Pinos Potrero (Main Divide Motorway.); Santa Ana Mts. Comment
  CAS-BOT-BC63566  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1935-6-18 7209 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1.5 mi. below (n.) main divide motorway. 1280 Comment
  CAS-BOT-BC83761  Ceanothus ophiochilus D. O. Burge 2007-3-20 800 b Riverside Agua Tibia Wilderness Area, Cleveland National Forest 660 Comment
  POM301639  Ceanothus palmeri Carl B. Wolf 1941-8-12 11142 Riverside 3.5 mi. N.W. of Idylwild on dark canyon Rd. 1646 Comment
  CAS-BOT-BC126849  Ceanothus pauciflorus Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 292 Riverside Up canyon from turnout parking area which is 1/2 mi. up Sta. Rosa Mt. road from Hwy. 74, Santa Rosa Mountains 1371 Comment
  CAS-BOT-BC51923  Ceanothus perplexans S. B. Parish 1908-4-6 6895 Riverside Eden Hot Springs Comment
  HSC18382  Ceanothus tomentosus var. olivaceus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23107 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  CAS-BOT-BC334493  Cenchrus setaceus Lynn Sweet; Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/Sonoran Desert; Santa Rosa Mtns: UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon, 0.25 mile from end of road 335 Comment
  UCR119425  Centaurea cyanus Mitch Provance 1998-6-6 623 Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  UC284195  Centaurea melitensis P. A. Munz 1923-6-18 7123 Riverside 3 mi n of Lake Elsinore 411 Comment
  RSA587427  Centaurea melitensis Darin L. Banks, Steve Boyd 1995-6-2 0571 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain., On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  NY532374  Centaurea repens S. D. Boyd 1989-7-6 3758 Riverside S of Jurupa Rd, E of intersection with Van Buren Ave. Comment
  RSA191405  Centaurium venustum E. W. Lathrop, Robert F. Thorne 1967-9-26 6651 Riverside 6 miles NW of Murrieta. Comment
  CAS-BOT-BC288826  Centromadia parryi subsp. australis James I. McMurphy 1916-8-13 s.n. Riverside Temecula Comment
  RSA0008430  Centromadia pungens subsp. laevis Scott D. White 2009-8-10 13347 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  RSA764881  Centromadia pungens subsp. laevis Justin M. Wood 2010-9-8 2600 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  HSC85246  Cerastium glomeratum Steve Boyd 1986-4-20 1723 Riverside Harford Springs County Park, N of big meadow, Gavilan Hills Comment
  UCR169318B  Cerastium glomeratum T. B. Salvato, John F. Green 2004-5-27 617 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
  UCR25793  Cerastium glomeratum John C. Roos 1952-4-16 5556 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  JEPS64763  Cercidium floridum subsp. floridum W. L. Jepson 1912-10-28 5239 Riverside Riverside Mts.; mesa 45 Comment
  UC68619  Cercidium floridum subsp. floridum H. M. Hall Apr. 1905 5931 Riverside McCoy Wash Colorado Desert Comment
  UCR187470  Cercocarpus betuloides Diane Menuz, Carlos Navarro, Andrea Salzman 2006-3-24 018 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, Cleveland National Forest, next to fenced off radio towers 1069 Comment
  CAS-BOT-BC135493  Cercocarpus betuloides var. betuloides James R. Shevock 1976-11-24 5384 Riverside Along Calif. Highway 74 near El Cariso Station - Santa Ana Mountains, Cleveland National Forest 670 Comment
  RSA772139  Cercocarpus betuloides var. betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4975 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCR123791  Cercocarpus ledifolius var. intermontanus Steven R. Hill, K. Kramer and family 2001-4-26 33469 Riverside San Jacinto Mtns., San Jacinto Wilderness west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges 2591 Comment
  RSA523502  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3962 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  CAS-BOT-BC279535  Chaenactis artemisiifolia A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37805 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  RSA131712  Chaenactis artemisiifolia E. K. Balls 1958-6-27 23294 Riverside Yellow Pine Forest. Santa Ana Mts. , between Santiago Peak and Indian Truck Trail along Main Divide. 1311 Comment
  UCD130219  Chaenactis artemisiifolia B. Pitzer; A. C. Sanders 1987-4-21 499 Riverside Box Springs Mtns, near southernmost radio towers. 792 Comment
  UCR34892  Chaenactis artemisiifolia L. B. Ziegler 1967-5-18 128 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  POM307228  Chaenactis carphoclinia var. carphoclinia Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1993 Riverside Colorado Desert, North of Blythe Comment
  RSA731020  Chaenactis carphoclinia var. carphoclinia Michael Wall 2008-4-26 451 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  SD8910  Chaenactis carphoclinia var. carphoclinia S. B. Parish, W. F. Parish April 1882 1 Riverside Agua Caliente [now Palm Springs] Comment
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Jul 16 2010
  CAS-BOT-BC276918  Chaenactis fremontii F. H. Billings 1926-2-6 21 Riverside Desert near Palm Springs Comment
  RSA161351  Chaenactis fremontii Percy C. Everett 1963-5-3 24493 Riverside Colorado Desert, Hwy 99, 2.7 miles NE of exit to 29 Palms & Yucca Valley. 30 Comment
  RSA314647  Chaenactis fremontii R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55440 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA678217  Chaenactis fremontii Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1084 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  RSA682173  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10462 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
  RSA730040  Chaenactis fremontii R. F. Thorne 1973-3-30 72674 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA775095  Chaenactis fremontii Duncan S. Bell, Amber Swanson 2011-2-18 2035 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR177856  Chaenactis fremontii Marisa Sripracha, K. A. Boyd 2004-3-21 039 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  SD186071  Chaenactis glabriuscula A. C. Sanders, Mike Misenhelter 2005-6-15 30963 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles sousouthwest of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn., southwest of Rocky Ridge and southeast of Black Hills. 640 Comment
  SEINET3224410  Chaenactis glabriuscula G. Goodwin 2012-6-15 3464 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR16877  Chaenactis glabriuscula Eric Trubschenck 1972-5-8 8 Riverside Moreno Valley, 12 miles east of Riverside, 1 mi south of intersection of Alessandro Blvd with Wilmot Street 549 Comment
  UCR187501  Chaenactis glabriuscula Theresa Johnson 2006-5-11 097 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  UCR231765  Chaenactis glabriuscula John F. Green 2008-4-23 09- 05 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  RSA160873  Chaenactis glabriuscula var. glabriuscula Percy C. Everett 1962-4-13 24453 Riverside Temescal Canyon, Hwy 71, 0.5 miles S entrance to Glen Ivy. Comment
  RSA763054  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1968-5-22 6943 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UC1563121  Chaenactis glabriuscula var. lanosa Steve Boyd, T. Ross, L. Arnseth 1989-4-2 3239 B Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek. 487 Comment
  JEPS30445  Chaenactis parishii Peter H. Raven 1959-5-18 14247 Riverside 0.9 mi s of Mountain Crater (on road to Aguanga); San Jacinto Mountains Comment
  POM49418  Chaenactis parishii H. M. Hall 1901-06 2128 Riverside Santa Rosa Mountain. Coyote Canyon. 1524 Comment
  UCR244394  Chaenactis stevioides Jim Andre 2012-4-16 20974 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  RSA784953  Chamaesyce ocellata subsp. arenicola Duncan S. Bell 2012-2-12 3111 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG4029  Chamaesyce polycarpa H. and M. Dearing 1930-4-14 953 Riverside near Palm Springs Comment
  SFV7071  Chamaesyce polycarpa T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 771 Riverside Big Wash, just north of Quien Sabe Point at east end of county. 116 Comment
  POM13901  Chamaesyce polycarpa var. hirtella P. A. Munz, D. D. Keck 1922-4-9 4774 Riverside Palm Springs. 76 Comment
  RSA503146  Chamaesyce polycarpa var. polycarpa Gary D. Wallace 1966-3-26 271 Riverside Thousand Palms Oasis in the Indio Hills 76 Comment
  RSA626235  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1967-5-15 9550 Riverside University of California at Riverside. Comment
  RSA0105839  Chamaesyce serpillifolia Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  JOTR30052  Chamaesyce serpyllifolia La Doux, Tasha, Jade Mohajerin 2006-10-12 1662 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  RSA526510  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross 1990-5-11 4704 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA685680  Cheilanthes clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  CAS-BOT-BC70031  Cheilanthes covillei Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 363 Riverside Deep Canyon south of Hwy. 74, c. 2 mi. up water service road, below crossing; Santa Rosa Mountains, north slope 1310 Comment
  RSA685789  Cheilanthes newberryi I. M. Johnston 1920-5-8 2265 Riverside Box Springs Grade Comment
  UC42540  Cheilanthes newberryi Mrs. Gregory 1891-1 Riverside San Jacinto Mts Comment
  UCR261572  Cheilanthes newberryi Joseph Cahill 2011-1-8 111- 05 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCR48426  Cheilanthes newberryi Steve Boyd 1985-12-25 1198 Riverside Peninsular Range, Gavilan Hills; W side of Steele Valley in SCE Transmission Line Corridor 762 Comment
  POM120575  Cheilanthes parryi Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  UCR41423  Cheilanthes parryi A. C. Sanders 1985-12-22 5962 C Riverside Coachella Valley, foot of the Santa Rosa Mountains, W end of Ave. 74, 2.6 mi west of Polk Street. Southern edge of Martinez Canyon. 122 Comment
  UCR91550  Cheilanthes parryi A. C. Sanders, C. L. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay 1995-2-12 15925 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of East Double Canyon, Little San Bernardino Mtns, 1.4 mi above Aqueduct Rd. 581 Comment
  SEINET3124928 Image available Cheilanthes viscida Andrew C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mtns/Colorado Desert; Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the road to the tram station, vicinity of the upper end of the flood control dike 550 Comment
  UCR91883  Cheilanthes viscida A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  RSA785467  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  UC1394427  Chenopodium album H. A. Wahl 1966-9-17 21798 Riverside Idyllwild San Jacinto Mountains Comment
  SEINET1910259  Chenopodium berlandieri T. B. Salvato, Melissa Clemons 2005-1 1308 Riverside Peninsular Range: Temescal Valley: Walker Canyon, 1.5 mi due E of Alberhill, N of hwy I-15 411 Comment
  RSA500064  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3247 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  UCR281470  Chenopodium californicum Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-3-31 317- 99 Riverside Temescal Valley, Corona, N side of Campbell Ranch Rd., 0.2 miles E of intersection with Temescal Canyon Rd. 330 Comment
  RSA788562  Chenopodium murale Duncan S. Bell 2012-3-8 3142 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
  UCR208489  Chenopodium murale Scott D. White, Justin M. Wood 2009-3-24 12581 Riverside Colorado Desert, western foothills of Mecca Hills, c. 0.5 air mi east of the Coachella Canal and 4 air mi south of the I-10 Fwy 27 Comment
  UCR82221  Chenopodium murale J. M. Stewart 1994-5-2 842 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  CSUSB731  Chilopsis linearis Susan Larisch 1963-3-23 S. N. Riverside Ca. 10 miles above Mecca, California in Fox Canyon. Ca. 50 meters of roadside Comment
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Mar 24 2013
  SD234847  Chilopsis linearis A. C. Sanders 2008-7-25 35923 Riverside Interior South Coast; San Jacinto Valley; Gilman Springs Road at mouth of Massacre Canyon, 0.7 miles NW of Gilman Hot Springs (San Jacinto 7.5' Q) 466 Comment
  UC370345  Chilopsis linearis subsp. arcuata unknown 1928-5-20 3 Riverside Palm Springs Comment
  RSA78210  Chloris virgata J. C. Roos 1952-9-3 5897 Riverside Citrus Experiment Station, Riverside. Comment
  RSA369229  Chlorogalum parviflorum Anstruther Davidson 1910-3-1 2468 Riverside Near Riverside. Comment
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Apr 23 2011
  CLARK-A1528-3597  Chorizanthe brevicornu John C. Roos 1948-4-24 3794 Riverside Whitewater 548 Comment
  RSA692202  Chorizanthe brevicornu Scott D. White, Michael Honer 2003-5-14 9287 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  CAS-BOT-BC191715  Chorizanthe brevicornu var. brevicornu John H. Thomas 1957-3-30 6527 Riverside 0.8 miles E of Cactus City, about 13 miles E of Coachella, near U.S. Highways 60 and 70. Colorado Desert 518 Comment
  SBBG1396  Chorizanthe brevicornu var. brevicornu H. and M. Dearing 1937-4-10 2848 Riverside Thousand Palms Cyn Comment
  UCR33682  Chorizanthe corrugata Faulkner 1978-3-30 409 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  RSA615122  Chorizanthe fimbriata A. C. Sanders, G. K. Helmkamp 1997-3-15 19929 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills. 537 Comment
  SD181401  Chorizanthe fimbriata Scott D. White 2000-5-3 7763 Riverside Temecula area: near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly south of Red Hawk subdivision 351 Comment
  CAS-BOT-BC191308  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside below Anza Tablet at head of Coyote Canyon, SW Riverisde county 1005 Comment
  UCR100159  Chorizanthe parryi Scott D. White 1994-4-23 2036 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  POM10486  Chorizanthe parryi var. parryi Stephen Grout, Stephen Grout 1903-05 5 Riverside Riverside Comment
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Sep 5 2011
  CAS-BOT-BC257187  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA585526  Chorizanthe procumbens D. L. Banks, S. D. Boyd 1995-5-9 389 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  RSA516872  Chorizanthe rigida Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1350 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 and Box Canyon. Comment
  UCR261484  Chorizanthe xanti subsp. leucotheca A. C. Sanders, Katie Young, John Hale 2015-4-22 41587 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  RSA689555  Chorizanthe xanti var. leucotheca Scott D. White, Michael Honer 2003-4-25 9129 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
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Jul 1 2010
  UCR50428  Chrysanthemum carinatum Claudia Petrie 1988-4-1 s.n. Riverside Experimental fields at UCR Comment
  POM352018  Chrysothamnus paniculatus L. C. Wheeler 1933-12-1 2288 Riverside 2 miles E Cabazon, San Gorgonio Pass 640 Comment
  RSA38715  Chrysothamnus paniculatus P. A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument. 1067 Comment
  RSA794235  Chylismia claviformis subsp. aurantiaca Jim Andre 2012-3-19 21310 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UC217899  Chylismia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-14 4994 Riverside Indian Wells Colorado Desert 91 Comment
  UCR267891  Chylismia claviformis subsp. aurantiaca Jim Andre 2013-3-4 23860 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA740946  Cirsium occidentale var. californicum Scott D. White, Justin M. Wood 2008-6-17 12181 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UC30787  Cirsium occidentale var. californicum H. M. Hall 1901-6-1 2286 Riverside vicinity of Chalk Hill San Jacinto Mountains 1584 Comment
  UCR80804  Cirsium occidentale var. occidentale Scott D. White 1993-5-29 1437 Riverside San Bernardino Mtns., Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1067 Comment
  CAS-BOT-BC286458  Cirsium scariosum John Thomas Howell 1952-10-24 28865 Riverside At south end of Santa Ana Mts., Santa Rosa Ranch nw. of Murieta [Murrieta] 914 Comment
  RSA594503  Cirsium vulgare D. L. Banks, Rashmi Pant 1996-5-13 1015 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; In a small spring in oak woodland, approximately 1 km E of the Dripping Springs Guard Station, S of Hwy. 79 536 Comment
  CAS-BOT-BC438848  Cistanthe monandra Ivan Johnston 1917-4-4 1109 Riverside Colorado Desert. Near Palm Springs Comment
  CAS-BOT-BC438860  Cistanthe monandra John Thomas Howell 1930-5-10 4806 Riverside At top of St. John's Grade Comment
  POM199346  Cistanthe monandra Joseph A. Ewan 1932-4-8 7036 Riverside Seven Palms near Garnet Comment
  RSA65413  Cistanthe monandra F. W. Peirson 1921-4-13 4317 Riverside Foot of Deep Canyon, Coachella Valley 274 Comment
  SEINET270810  Cistanthe monandra Richard J. Shaw 1958-4-6 1101 Riverside Joshua Tree National Monument ; Roade between White Tank Campground and South entrance of the Monument. Comment
  POM122441  Clarkia dudleyana Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR174560  Clarkia dudleyana Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 101 Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCR250316  Clarkia epilobioides A. C. Sanders 2014-4-8 40970 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR172765  Clarkia purpurea Abby Sirulnik, Ian G. Gillespie 2000-5-14 51 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  POM13122  Clarkia purpurea subsp. quadrivulnera P. A. Munz 1922-5-19 5333 Riverside 5 miles NE of Murietta. 488 Comment
  SD137708  Clarkia purpurea subsp. quadrivulnera Darin L. Banks, Steve Boyd 1995-5-9 383 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, North face of Agua Tibia Mountain, the Dorland Mountain area, West of the Dripping Springs Alcove area, West of Woodchuck Campground. 701 Comment
  CAS-BOT-BC163865  Clarkia purpurea subsp. quadrivulnera Edmund C. Jaeger 1921-6-14 s.n. Riverside [MacMullen] McMullen Trail, San Jacinto Mts. 1280 Comment
  RSA707889  Clarkia similis Scott D. White, Angelia Carey 2004-4-16 10159 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  CSUSB247  Clarkia unguiculata Robert Eaton 1968-5-3 680503 3 Riverside Fairmount Park in city of Riverside. On the southwest corner of Banks and Redwood Street on a steep, grassey hillside facing northeast. Comment
  RSA593976  Clarkia unguiculata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 961 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  RSA614415  Claytonia parviflora subsp. viridis D. L. Banks 1997-3-16 1548 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  RSA469300  Claytonia perfoliata subsp. perfoliata Dorothy R. Wolf 1932-3-20 6 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  CAS-BOT-BC91330  Clematis lasiantha Elisabeth Norland 1941-12-2 11198 Riverside Santa Ana Mountains, Main Divide Motorway. Comment
  UCR104934  Clematis lasiantha A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20675 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. north of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon 1098 Comment
  UCSB1947  Clematis lasiantha DeWitt, Jack 1959-5-18 Riverside 5.1 miles 1. of Banning on Rd. to San Jacinto Mtns. and Idyllwild 762 Comment
  RSA440789  Cleome isomeris F. A. Thackery 1928-5-7 179 Riverside Whitewater. Comment
  CLARK-A1528-1779  Cnicus benedictus John C. Roos 1937-4-17 1358 Riverside San Timoteo Canyon Comment
  SDSU9011  Coleogyne ramosissima Joan Godsil 1953-1-18 552 Riverside Joshua National Monument, 29 Palms to Cottonwood Springs Hwy. 1099 Comment
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Jan 24 2013
  UCR175218  Collinsia Jennifer H. Jones 2006-6-6 396 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  SD73630  Collinsia concolor Helen V. Witham 1970-5-1 845 Riverside steep north slope, Bautista Canyon, southeast of Hemet 800 Comment
  SDSU10586  Collinsia concolor Gerald Collier 1951-5-26 Riverside 15 miles E of Hemet on state hwy 74, 25 yards from road. San Jacinto Mtns. San Bernardino National Forest. Comment
  UC472798  Collinsia concolor Mary F. Spencer Jun 1921 1916 Riverside Idyllwild; San Jacinto Mtns 1584 Comment
  UCR213443  Collinsia concolor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37831 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR80821  Collinsia concolor Scott D. White 1993-5-29 1477 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  RSA0018457  Collinsia concolor J. C. Marvin 1923-01 s.n. Riverside Idyllwild. Comment
  RSA0117392  Collinsia parryi Steve D. Boyd, Orlando Mistretta 1992-4-23 7072 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UC665634  Colubrina californica Annie M. Alexander and Louise Kellogg 1941-5-20 2206 Riverside Eagle Mountain pumping station road 5.2 mi nw Desert Center (hanging over edge of sandy wash); Colorado Desert 457 Comment
  UCR41565  Condalia globosa var. pubescens A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6042 Riverside Chuckwalla Bench, W side of Chuckwalla Mtns, 9 miles south of Hwy I-10 on the Gasline Road, 2 mi. airline south of the Model Mine 579 Comment
  UCR189583  Convolvulus simulans Ryann Loomis 2006-6-6 017 Riverside Peninsular Range, Perris-Aguanga Basin, 1.2 mi north of northwestern corner of Vail Lake, on peak of Oak Mountain 817 Comment
  JEPS6759  Cordylanthus nevinii W. L. Jepson 1903-8-9 2323 Riverside near summit (forks of trail); San Jacinto Peak Comment
  JOTR29265  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 1377 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  UC1375271  Cordylanthus rigidus subsp. setiger C. W. Tilforth 1970-9-2 304 Riverside along fire road to Santa Rosa Mtn. Comment
  UCR5796  Cordylanthus rigidus subsp. setiger O. F. Clarke 1966-10-5 661005- 35 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  RSA757614  Coreopsis bigelovii LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4344 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  POM153345  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1928-9-12 11309 Riverside Dry flats near Lake Elsinore Comment
  RSA160561  Corethrogyne filaginifolia J. D. Olmsted 1959-8-26 839 Riverside Oat Flat along Main Divide Motorway between Sierra Peak and the old Sierra Peak Guard Station, Santa Ana Mtns towards Santiago 823 Comment
  UCSB22622  Corethrogyne filaginifolia Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1, 9 miles south of Banning; San Jacinto Mountains 1341 Comment
  POM278518  Coryphantha alversonii H. G. Rush 1950-5-6 117 Riverside 2.5 miles from Cottonwood springs on road out to Hwy 60-70. 579 Comment
  POM667082  Coryphantha alversonii Clarence Bonner, Alice Bonner 1961-12-1 s.n. (M E) Riverside Eagle Mountain Range: East end of the Eagle Mountains near Eagle Mountain pumping station, Metropolitan Water District Aqueduct. 305 Comment
  RSA736242  Cotula coronopifolia Scott D. White, Jonathan Campbell 2008-4-18 11896 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  UCR111067  Crassula aquatica D. E. Bramlet 1998-4-21 2601 Riverside maintenance road adjacent to (east of) the MWD canal & approximately 488m north from the canal crossing at the existing weather station, 701 m east of Hwy 79 and 1.22 km south of Holland Road, 50m west of the Shipley Reserve. 450 Comment
  UCR222299  Crassula aquatica R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55210 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  POM10326  Crassula connata Charlotte M. Wilder 1904-5-14 270 Riverside Wilders Canyon, Jurupa Hills, Comment
  RSA678342  Crassula connata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10479 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
  UCR171913  Crassula connata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  POM12939  Cressa truxillensis P. A. Munz, I. M. Johnston, I. M. Munz 1922-5-21 5543 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Mar 20 2011
  JOTR29599  Crossosoma bigelovii Andre, Jim 2006-4-26 6756 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA342045  Crossosoma bigelovii R. F. Thorne 1980-4-16 54085 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UC1179537  Crossosoma bigelovii Jane Turner 1959-3-21 75 Riverside 8 mi n United States Highway 99 (along road to Morongo Valley); Morongo Wash Comment
  UC536862  Crossosoma bigelovii M. C. Jones 1934-2-18 Riverside Whitewater Canyon Colorado Desert Comment
  JEPS52463  Croton californicus W. L. Jepson 1901-5-22 1404 Riverside Palm Canyon Mt. San Jacinto (and return to Van Deventer's ranch) Comment
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Jun 4 2016
  LA204989  Croton californicus Elizabeth McClintock; 1938-4-9 sn Riverside Soboba Indian Reservation, San Jacinto Comment
  UCR167260  Croton californicus 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
  UCR161403  Croton setiger A. C. Sanders, Mike Misenhelter 2005-9-20 31675 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR69743  Crypsis schoenoides A. C. Sanders, Chet McGaugh 1991-7-19 11153 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
  UCR260602  Cryptantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41543 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  GMDRC5512  Cryptantha angustifolia J. Andre 2012-3-19 21300 Riverside Orocopia Mountains: N. end of range, 0.5 mi. south of Jct of Box Canyon Rd and I-10 freeway, 23 miles east of city of Coachella 470 Comment
  JOTR35363  Cryptantha angustifolia Harding, Mitzi, M. Wheeler 2011-1-26 147 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  POM6558  Cryptantha angustifolia P. A. Munz, L. T. Street, G. Williams 1919-3-27 2354 Riverside Salton Sea Comment
  SEINET4557943  Cryptantha angustifolia Naomi Fraga, David Fraker, Brett Griffin 2012-1 3949 Riverside Mojave Desert, Southcentral Mojave Desert Region: off of Box Canyon Rd. S. of Shaver well in a wash. 70 Comment
  UC857062  Cryptantha angustifolia Ira L. Wiggins 1937-3-9 8754 Riverside 5 mi w Shaver's Well Comment
  UCR116607  Cryptantha angustifolia A. C. Sanders 2001-4-8 23979 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR214279  Cryptantha angustifolia A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37498 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  JEPS67489  Cryptantha barbigera Marjorie D. Clary 1932-5-25 1167 Riverside n of Indio; Colorado Desert, Little San Bernardino Mts., Berdoo Canyon 609 Comment
  POM48537  Cryptantha barbigera F. M. Reed 1925-3-17 4993 Riverside Palm Springs. Comment
  RSA0106707  Cryptantha barbigera Duncan S. Bell, Amanda Turek 2010-4-9 757 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  SBBG63623  Cryptantha barbigera E. Rockwell -Jan-1926 32 Riverside near Palm Springs 138 Comment
  UC280426  Cryptantha barbigera E. E. Schellenger May 1920 Riverside Chuckawalla Bench Colorado Desert Comment
  POM229462  Cryptantha barbigera var. barbigera P. A. Munz 1937-5-29 15102 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  UCR279559  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-29 43179 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UCR84889  Cryptantha circumscissa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16131 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  HSC85290  Cryptantha clevelandii Steve Boyd 1986-5-1 1797 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
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Oct 2 2012
  UCR133045  Cryptantha corollata Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; Miller Canyon 396 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
  RSA3976  Cryptantha costata C. B. Wolf 1932-4-29 3114 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  UCR228207  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 133 Comment
  RSA0078806  Cryptantha cycloptera Steve Boyd, Sara Meury, R. Noyes, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2159 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA0079521  Cryptantha cycloptera Christopher Davidson 1979-4-4 7723 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  CAS-BOT-BC218763  Cryptantha holoptera A. C. Sanders; T. B. Salvato 2000-5-16 23391 Riverside Colorado Desert: Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon; where large wash crosses under powerlines. 30 Comment
  SEINET12280812  Cryptantha holoptera Unknown 1936-1 12821 Riverside Colorado Desert, N of Palm Springs Comment
  RSA0124745  Cryptantha inaequata Duncan S. Bell, LeRoy Gross 2016-3-9 8840 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  JEPS67653  Cryptantha intermedia W. L. Jepson 1935-4-19 17079 Riverside San Gorgonio Pass Comment
  RSA287662  Cryptantha intermedia Lyman Benson 1932-3-26 3177 Riverside Temecula Grade. Temecula Valley. 549 Comment
  RSA499723  Cryptantha intermedia W. P. Burger 1979-4-28 64 Riverside Along Carancho Road, just past where stream crosses road, Hidden Valley. 366 Comment
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Jan 11 2016
  SD4198  Cryptantha intermedia Fidella G. Woodcock 1928-4-27 Riverside Base of San Jacinto Mountains near Hemet Comment
  SDSU12254  Cryptantha intermedia Jeremy Mass, Ryan Jacobson 2000-4-19 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve (SDSU). 177 Comment
  UC857162  Cryptantha intermedia Mary F. Spencer 1922-4-23 2087 Riverside Banning Millard Canyon 716 Comment
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Mar 13 2011
  UCR140444  Cryptantha intermedia A. C. Sanders 2004-4-9 27454 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR176893  Cryptantha intermedia Tracy Tennant 1998-7-1 s.n. Riverside Double Butte, between Winchester and Homeland 762 Comment
  VVC123  Cryptantha intermedia A. C. Sanders, J. Mac 1997-5-4 20637 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA650992  Cryptantha intermedia C. J. Humphrey, H. Humphrey 1936-6-6 373 Riverside Probably from Riverside Comment
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Dec 15 2011
  SBBG37502  Cryptantha maritima R. N. Muller, S. Lindsey 1967-5-11 Riverside 1.9 mi S on rd to top of Box Springs Mtns from its jct with Pigeon Pass Rd Comment
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Mar 23 2014
  UCR112400  Cryptantha maritima A. C. Sanders, T. B. Salvato 2000-5-16 23392 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  SDSU21879  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 47 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 640 Comment
  RSA499630  Cryptantha micrantha F. R. Fosberg 1932-3-13 10625 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA699345  Cryptantha micrantha J. R. Bruff 1928-4-2 s.n. Riverside Whitewater Comment
  UC1601673  Cryptantha micrantha P. A. Munz and I. M. Johnston 1922-5-20 5475 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  UC24831  Cryptantha micrantha H. M. Hall 1901-7 2487 Riverside shores of Lake Surprise San Jacinto Mountains, Lake Surprise 2499 Comment
  UC573124  Cryptantha micrantha Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  SBBG101668  Cryptantha micromeres S. Boyd 1991-5-20 6274 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary 573 Comment
  SD185170  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Gavilan Hills, south of Harford Springs County Park and Ida Leona Rd., 1.5 miles eastsoutheast of Gavilan Peak. 622 Comment
  UCR158856  Cryptantha microstachys Scott D. White 1994-6-14 2060 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR160322  Cryptantha microstachys Steve Boyd 1992-4-14 6825 Riverside Peninsular Ranges; Santa Ana Mtns Region, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 793 Comment
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Jul 5 2010
  UCR165406  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  RSA164814  Cryptantha muricata Wesley O. Griesel 1958-7-5 s.n. Riverside Dark Canyon. 1829 Comment
  UCR135722  Cryptantha muricata Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9028 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR157669  Cryptantha muricata A. C. Sanders, N. Ferguson 1994-6-2 14635 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  UCR41309  Cryptantha muricata N. M. Fellows 1984-3-20 6 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  SBBG34216  Cryptantha muricata var. muricata H. Haid 1969-5-11 Riverside Bautista Cyn, ca. 20 mi SE of Hemet 914 Comment
  RSA0125985  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2016-3-4 8811 Riverside Orocopia Mountains; northeast section of the range, in the hills to the west of Red Cloud Wash. 487 Comment
  UCR18153A  Cryptantha pterocarya var. cycloptera A. C. Sanders 1979-3-9 947 A Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns, Deep Canyon Reserve south of Palm Desert. In the gorge of Deep Canyon above the Research Center - near bucket #24 366 Comment
  UCR88427  Cryptantha pterocarya var. pterocarya A. C. Sanders, K. C. Rose 1995-4-5 16350 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA499792  Cryptantha racemosa Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Comment
  UCR243509  Cryptantha racemosa Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21087 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  RSA263654  Cupressus forbesii E. W. Lathrop 1977-4-20 7607 Riverside Beford Truck Trail of the Cleveland Nat'l. Forest, Trabuco District. 3.8 miles below the Main Divide Truck Trail and the North side of the Bedford Truck Trail. 914 Comment
  POM296656  Cuscuta californica var. papillosa L. S. Rose 1946-12-23 46300 Riverside Cathedral Canyon Wash. 183 Comment
  RSA640955  Cuscuta ceanothi R. F. Thorne 1963-7-26 32821 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
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May 16 2016
  UC667263  Cuscuta denticulata Annie M. Alexander and Louise Kellogg 1941-5-23 2222 Riverside 3 mi ne Cottonwood Spring; Colorado Desert, Eagle Mountains 1066 Comment
  RSA77261  Cyclospermum leptophyllum O. F. Clarke 1953-4-3 s.n. Riverside Grounds of Citrus Experiment Station. 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
  SD191510  Cylindropuntia prolifera John F. Green 2006-5-2 Riverside Peninsular Ranges: unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd., and Borel Rd., east of Murrieta Hot Springs. 420 Comment
  POM319702  Cyperus eragrostis Patricia Wilder 1971-11-11 5289 Riverside Along Santa Ana River, Santa Ana River Drainage Area. 229 Comment
  UCR162771  Cyperus eragrostis S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  POM158187  Cyperus esculentus Phillip A. Munz 1928-9-6 11272 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  JEPS64081  Cyperus laevigatus W. L. Jepson 1914-5-22 6012 Riverside nw of Indio (Thousand Palms Canyon); Thousand Palms Canyon Comment
  UC1930201  Cyperus niger Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10680 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  UCR101431  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  SBBG56301  Cystopteris fragilis R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  NY43422  Dalea mollis C. R. Annable 1995-3-9 2259 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  RSA0106713  Dalea mollis Duncan S. Bell 2011-9-30 2943 A 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
  RSA404180  Dalea mollis N. C. Cooper 1949-4-8 3237 Riverside Mecca Pass east of Indio. 548 Comment
  UCR182833  Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-25 5755 Riverside NE Riverside Co., transition between Ward and Rice Valleys, south of Danby Lake, S of Hwy 62, along Colorado River Aqueduct 277 Comment
  RSA0124739  Dasyochloa pulchella Duncan S. Bell, LeRoy Gross 2016-3-9 8846 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UCD65755  Dasyochloa pulchella A. A. Beetle 1942-4-22 3180 Riverside 8 miles east of Indio. Comment
  UCR3432  Daucus pusillus John Minnich 1964-5-3 64-05-03# 3 Riverside Box Springs Mtns, Riverside, Box Springs Mtns, Two Trees Cyn at end of Two Trees Rd. 367 Comment
  SD51775  Deinandra kelloggii Rimo Bacigalupi, G. T. Robbins 1954-5-16 4465 Riverside Along road from Valverde eastward to gLakeview, on western slope of the Bernasconi Hills. 424 Comment
  CAS-BOT-BC413815  Deinandra paniculata R. E. Riefner, Jr. 2009-6-19 09 -135 Riverside Moreno Valley, NE ca. 0.15 mi from intersection of Nason St. and Ironwood Ave., W of Moreno Beach Dr., N of Moreno Valley Freeway (60 Fwy) 592 Comment
  CAS-BOT-BC414250  Deinandra paniculata R. E. Riefner, Jr. 2014-8-27 14 -305 Riverside City of Riverside, Moreno Valley, Box Springs Blvd. ca. 0.3 mi N of Eastridge Ave., W of 215-Freeway 482 Comment
  UC1979620  Deinandra paniculata D. L. Banks, Steve Boyd 1995-10-26 0829 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Alongt he Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. Comment
  LA207333  Delphinium gypsophilum L. N. Goodding; November 1943 sn Riverside 50 mi. S of Indio, along highway Comment
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Mar 26 2014
  UCR88425  Delphinium parishii A. C. Sanders, K. C. Rose 1995-4-5 16345 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CAS-BOT-BC7984  Delphinium parishii subsp. parishii Milo S. Baker 1928-4-3 2802 b Riverside Tahquitz Canyon near Palm Springs Comment
  UCR384  Delphinium parryi N. J. Moriarty 1973-5-19 730519- 3 Riverside City of Riverside. 50 yards east of radio tower on the UCR Box Springs Experimental Station off the Box Springs Mt. Rd. 793 Comment
  RSA0020470  Delphinium parryi subsp. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR268279  Delphinium parryi subsp. parryi Jim Andre 2012-6-15 30504 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
  RSA769032  Dendromecon rigida E. W. Lathrop 1973-6-28 7431 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 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
  UC1126383  Dendromecon rigida A. Lewis 1934-3-4 306 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quadrangle Comment
  CAS-BOT-BC198166  Deschampsia danthonioides Philip A. Munz 1941-5-18 16645 Riverside 15 miles northeast of Temecula Comment
  RSA563862  Deschampsia danthonioides A. C. Sanders 1993-5-12 14017 Riverside Hemet, W side of Warren road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Road. 457 Comment
  RSA760321  Deschampsia danthonioides R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55219 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UC1931201  Deschampsia danthonioides Scott D. White, Justin Wood 2008-6-19 12267 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UC336791  Deschampsia elongata J. G. Lemmon 1888-4-14 Riverside Elsinore Comment
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Feb 4 2013
  UCR279579  Descurainia pinnata A. C. Sanders, Jim Malusa 2017-3-28 43154 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR85163  Descurainia pinnata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16082 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  POM48535  Descurainia pinnata subsp. halictorum F. M. Reed 1925-3-17 4942 Riverside Palm Springs Comment
  RSA502502  Dicentra chrysantha Steve Boyd 1989-6-11 3722 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  UC501622  Dicentra chrysantha Frank W. Peirson 1924-7-29 5025 Riverside Banning-Idyllwild Road; San Jacinto Mts. 1767 Comment
  RSA162722  Dicentra ochroleuca John Olmsted 1958-6-10 158 Riverside 7.5 miles SW of Corona on Oak Flat Fire Road (turn S in corona from US onto Lincoln, Santa Ana Mtns, Santa Ana River. 793 Comment
  UCR166766  Dichanthelium acuminatum subsp. fasciculatum Scott D. White, Jennifer H. Jones 2005-5-25 11112 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment
  UCR98484  Dichelostemma capitatum A. C. Sanders, G. Helmkamp 1997-3-15 19923 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  RSA367526  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-5-21 1276 Riverside San Jacinto Mtns., west side. 1372 Comment
  RSA501061  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3178 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA501064  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3181 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC292192  Dicoria canescens Alice Eastwood 1913-4-30 3110 Riverside Palm Springs Comment
  POM306763  Dicoria canescens Henry J. Ramsey, Henry J. Ramsey 1937-11-20 1634 Riverside Coachella Valley Comment
  CHSC1772  Diplacus bigelovii var. bigelovii V. Holt 1942-3-27 Riverside East of Indio. Comment
  CAS-BOT-BC152919  Diplacus brevipes Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Along road from Idyllwild to desert Comment
  RSA0019294  Diplacus brevipes Scott D. White 1999-5-24 7401 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA0019283  Diplacus brevipes N. C. Cooper 1943-9-11 924 Riverside Below Idlewild. 915 Comment
  RSA0018430  Diplacus longiflorus var. calycinus P. A. Munz, Percy C. Everett 1950-6-23 14909 Riverside 2 mi. NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCR173786  Dipsacus sativus Kurt Campbell 2006-6-15 s.n. Riverside Perris-Aguanga Basin, Temecula, NW corner of Moraga Rd. and Rancho California Road 335 Comment
  UCR240202  Distichlis spicata C. J. Minar 1994-5-7 07 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  UC2062534  Distichlis spicata subsp. spicata Hester L. Bell 2002-3-9 257 Riverside Northern Sonoran Desert. Willis Oasis (Thousand Palms) 5.5 mi east of I-10. Comment
  SEINET3928440  Distichlis stricta Faulkner 1978-3-21 352 Riverside 9 miles No. of Blythe Highway 95, Saline flat.; 0 152 Comment
  RSA171926  Ditaxis lanceolata R. F. Thorne 1963-3-29 32442 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 533 Comment
  RSA70427  Ditaxis lanceolata F. W. Peirson 1921-3-23 2805 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs. 152 Comment
  RSA776962  Ditaxis lanceolata Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 912 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  RSA778410  Ditaxis lanceolata Stephanie Rockwood, Christi Gabriel 2011-10-5 059 Riverside Corn Springs Wash off Corn Springs Road. Corn Springs exit from I10. Chuckwalla Mountains Wilderness. 416 Comment
  UC2026381  Ditaxis lanceolata Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10054 B Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  JOTR35055  Ditaxis neomexicana La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3507 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  SD143929  Ditaxis neomexicana G. K. Helmkamp, A. C. Sanders, P. McKay, T. Thomas 1997-2-8 19685 Riverside Colorado Desert/San Jacinto Mountains, Palm Springs area, Murray Canyon off Palm Canyon, on south side of boulders along trail near the mouth of the canyon 244 Comment
  UCR167552  Ditaxis neomexicana Nancy K. Cione 2004-4-30 s.n. Riverside Chuckwalla Valley, S of Eagle Mtns, north of Hayfield Dry Lake, near Red Cloud Road 415 Comment
  CDA20244  Ditaxis neomexicana A. Gilbert, J. Ball 1984-9-18 PDR 592844 Riverside Sonoran Desert; Temporary water area, desert. 0 Comment
  UCR248428  Ditaxis serrata Duncan S. Bell 2011-12-30 3040 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  RSA793973  Ditaxis serrata var. serrata Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4352 Riverside Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam. 97 Comment
  CAS-BOT-BC43640  Dithyrea californica E. A. McGregor 1917-3-19 775 Riverside Indio Sands. Comment
  POM305626  Dithyrea californica Henry J. Ramsey, Henry J. Ramsey 1937-2-26 873 Riverside Whitewater. Comment
  RSA340181  Dithyrea californica R. F. Thorne 1980-5-28 54185 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  UC310226  Dithyrea californica Edmund C. Jaeger 1925-12-22 Riverside 5 mi e Palm Springs; Eagle Canyon Comment
  UCR124633  Dithyrea californica B. C. Templeton, I. W. Clokey 1930-4-9 1075 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR85252  Dithyrea californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16186 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  SEINET10481684  Dithyrea californica C. H. Quibell 1927-4-2 Quibell s.n. Riverside Comment
  POM78481  Dodecatheon alpinum subsp. majus H. M. Hall 1901-06 2348 Riverside Tahquitz Valley 2500 Comment
  RSA615142  Dodecatheon clevelandii A. C. Sanders, O. F. Clarke, H. Forster 1997-3-2 19762 Riverside Box Springs Mountains E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  CAS-BOT-BC41606  Draba corrugata var. corrugata Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. 2438 Comment
  CLARK-A1528-4886  Draba cuneifolia John C. Roos 1937-2-27 1297 Riverside San Timoteo Canyon Comment
  LA204315  Draba cuneifolia T. Craig; 1932-2-24 1795 Riverside Coachella Valley, Cathedral City, Coachella Valley Comment
  UC856127  Draba cuneifolia P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4781 Riverside vicinity Corn Springs (Chuckwalla Mountains); Colorado Desert, Chuckwalla Mountains 457 Comment
  RSA703471  Draba cuneifolia var. integrifolia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1414 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  UCR92329  Dryopteris arguta Scott D. White, M. D. Wilcox 1995-7-11 3468 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  SEINET10794022  Dryopteris arguta George Yatskievych, K. G. Preston, Mafham 1981-4-26 Yatskievych 81 -143 Riverside State Highway 74, 5.8 mi. SW of El Carizo Guard Station. San Juan Canyon; Santa Ana Mountians. T06S R05W S31 - NE4. 500 Comment
  SD206994  Dudleya aloides Reid Moran 1947-5-10 2183 Riverside Andreas Palm Canyon; south of Palm Springs. Comment
  RSA0123092  Dudleya cymosa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8989 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
  POM20020  Dudleya lanceolata Mary F. Spencer 1923-8-7 2200 Riverside Fern Valley 1677 Comment
  UCR208910  Dudleya lanceolata P. A. Munz 1923-6-18 7131 Riverside Peninsular Range, Temecula Canyon Comment
  RSA635033  Dudleya multicaulis Valerie L. Soza, LeRoy Gross 1999-6-21 570 Riverside Santa Ana Mountains: Oak Flats, southwest of Serrano Spring. 731 Comment
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Sep 4 2018
  CAS-BOT-BC109605  Dudleya saxosa subsp. aloides Reid Moran 1950-4-28 3407 Riverside Whitewater. 457 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
  SEINET8060783 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 14 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north 900 Comment
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Jun 5 2016
  RSA0125230  Echinocereus engelmannii var. engelmannii Leland Lubinsky, LeRoy Gross, Victor Steinmann 2005-2-17 s.n. Riverside Chuckwalla Mountains: Along wash above Corn Springs Campground. 503 Comment
  JOTR31007  Echinocereus triglochidiatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1292 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  RSA69869  Eclipta prostrata J. C. Roos 1951-9-22 52332 Riverside Fairmont Park. 244 Comment
  UCR182093  Ehrharta longiflora Tom Chester 2005-4-15 580 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side 239.3 Comment
  UC1147888  Elatine californica Robert F. Thorne, E. Lathrop, and P. Munz 1968-5-8 37560 Riverside Mesa de Colorado Santa Rosa Plateau (Rancho California) 670 Comment
  SEINET11987369  Elatine californica R. F. Thorne 1969-1 37967 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  SEINET7586165 Image available Eleocharis geniculata Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. 305 Comment
  UCR266812  Eleocharis macrostachya Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 01 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UCR90606  Eleocharis macrostachya Scott D. White 1995-6-29 3392 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  CHSC89888  Eleocharis montevidensis L. P. Janeway 2004-5-8 8064 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; along the creek 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. 384 Comment
  RSA343105  Eleocharis montevidensis Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1983-5-18 60632 Riverside Santa Rosa Plateau: Cole Canyon, near entrancd to Nature Conservancy Reserve. 530 Comment
  UCR104947  Eleocharis montevidensis A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20688 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR272503  Eleocharis montevidensis Mitch Provance 2012-8-8 812- 02 Riverside San Gorgonio Pass, Banning, S. Hathaway St., between Adams St. and Bryan St. 659 Comment
  CAS-BOT-BC113281  Eleocharis parishii Scott D. White 1995-6-29 3409 Riverside Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence. 350 Comment
  CAS-BOT-BC113295  Eleocharis parishii A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-7 24170 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Kiamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. Helmet 7.5' Quad 548 Comment
  SD233693  Eleusine indica A. C. Sanders 2002-11-21 25637 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons. Disturbed drainaage channels. 366 Comment
  SEINET251737 Image available Elymus condensatus Unknown 2005-5-16 781 Riverside San Jacinto Mtn. foothills: San Jacinto River E of Valle Viste, just downstream from the Forest Service boundary and N of CA Hwy 74 (Blackburn Canyon 7.5' Q.:). 549 Comment
  UCR174252  Elymus condensatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32500 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
  UCR260552  Elymus condensatus T. B. Salvato, Matt Malle 2014-5-29 8018 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR213879  Elymus hispidus Scott D. White, Justin M. Wood 2008-6-16 12124 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR24986  Elymus hispidus A. C. Sanders 1980-7-18 1677 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  SD234759  Elymus stebbinsii A. C. Sanders, T. Thomas, T. B. Salvato 2008-6-24 35560 Riverside Peninsular Range; San Jacinto Mtns.: May Valley c. 1.25 mi. SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
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Sep 26 2019
  UC1931204  Elymus trachycaulus subsp. trachycaulus Scott D. White, Justin Wood 2008-6-19 12273 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  RSA594781  Emmenanthe penduliflora D. L. Banks, Dylan Hannon 1996-5-3 975 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
  RSA613867  Emmenanthe penduliflora B. Pitzer 1997-4-11 3116 Riverside Lakeview Mtns Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. Approx. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM Nelson) 610 Comment
  SBBG29830  Emmenanthe penduliflora var. penduliflora E. Braunton -Mar-1940 2033 Riverside Berdoo Cyn Comment
  UCR272438  Emmenanthe penduliflora var. penduliflora Cheryl Sevilla, Sarah J. De Groot 2015-3-18 038 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2 air miles north-northwest from the Whitewater Preserve Ranger Station, on the hillside east of the Whitewater River drainage 822 Comment
  CAS-BOT-BC131162  Encelia actoni Lewis S. Rose 1935-12-23 35698 Riverside Above Deep Canyon, San Jacinto Mts. 914 Comment
  UC495322  Encelia actoni P. A. Munz 1932-4-24 12399 Riverside Snow Creek Canyon San Jacinto Mts., Snow Creek Canyon 457 Comment
  CAS-BOT-BC131348  Encelia farinosa E. A. McGregor 1917-3-17 770 Riverside West of Fig Tree [John's] Johns Comment
  RSA0117922  Encelia farinosa Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7645 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  RSA678220  Encelia farinosa Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1087 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  SD251190  Encelia farinosa Duncan S. Bell 2013-1-30 4458 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 22 Comment
  UCD20082  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -216 Riverside 14.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  UCD20084  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -214 Riverside 4.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  UCR34969  Encelia farinosa L. B. Ziegler 1976-5-20 547 Riverside San Jacinto Mtns, Potrero Creek (Massacre Canyon), lower canyon below falls. 457 Comment
  UCR97262  Encelia farinosa Scott D. White 1993-3-12 1166 Riverside Near Winchester 466 Comment
  RSA795739  Encelia frutescens Jim Andre 2012-3-18 21290 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  JOTR34056  Encelia virginensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2954 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  JEPS49102  Ephedra Dr. L. M. Newlon 1922-4-3 442 Riverside Andreas Canyon Mt. San Jacinto, Andreas Canyon Comment
  CAS-BOT-BC81542  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernardino Co. line Comment
  RSA339625  Ephedra californica Robert F. Thorne, C. W. Tilforth 1980-5-28 54162 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UC1007228  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside 2 mi n, Banning-Indio boulevard; Southern California, Whitewater Canyon Comment
  RSA0065425  Ephedra fasciculata Peter Gail 1961-5-6 s.n. Riverside Palms to Pines Highway; 125' off road, San Jacinto Mountains. Comment
  LA206142  Epilobium canum subsp. latifolium Louis C. Wheeler; 1931-10-4 199 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  RSA44860  Epilobium canum subsp. latifolium J. C. Roos, L. Roos 1947-11-1 3754 Riverside Eagle Mountains, Lost Palms Canyon. Comment
  SBBG44917  Epilobium canum subsp. latifolium W. B. Holt 1941-10-23 17 Riverside near Split Rock, Joshua Tree National Monument Comment
  RSA736659  Epilobium ciliatum subsp. ciliatum Justin M. Wood 2008-7-16 27 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Jul 31 2009
  UCR137186  Epipactis gigantea M. B. Dunkle 1933-5-6 3423 Riverside Western Sonoran (Colorado) Desert/ San Jacinto Mtns., Andreas Canyon 244 Comment
  UCR213859  Epipactis gigantea Scott D. White, Justin M. Wood 2009-5-22 12928 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  RSA0012657  Equisetum laevigatum LeRoy Gross, Caitlin Elam 2013-5-14 6084 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA525703  Equisetum laevigatum Steve Boyd, Timothy S. Ross 1990-5-11 4641 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
  POM201787  Eragrostis mexicana subsp. virescens L. M. Booth 825 Riverside Hard roadside. Comment
  UCD64456  Eragrostis pectinacea Collector Unknown 1949-8-1 Riverside Riverside County. Comment
  RSA28057  Eremalche exilis I. L. Wiggins 1941-3-27 9685 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA432676  Eremalche exilis N. C. Cooper 1949-4-8 3271 Riverside Mecca Pass east of Indio. 610 Comment
  RSA782085  Eremalche rotundifolia Duncan S. Bell 2009-3-7 2 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UCR16592  Eremalche rotundifolia K. W. Brown 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, near Homestead Ranch gate, 0ne-half mi. east of Palms-to-Pines Hwy, c. 2 mi. south of Palm Desert '350 ft. 183 Comment
  UCR251669  Eremalche rotundifolia Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 766 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA0014471  Eriastrum Justin M. Wood, J. Miner 2010-4-29 1546 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA0056286  Eriastrum densifolium subsp. austromontanum Norman Lederer 1950-4-30 s.n. Riverside Palms to Pines Hgw., E. slope of Santa Rosa Mts. Comment
  UCR126206  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, c. 500 m south of terminal loop of campground road, along east bank of creek 488 Comment
  UCR113547  Eriastrum densifolium subsp. elongatum Mitch Provance 1998-6-6 686 B Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCR50777  Eriastrum filifolium Bill Wagner 1988-4-5 s.n. Riverside Approximately 1.5 mi NW of the community of Murrieta. south side of I-15 Fwy at the junction of Nutmeg Rd. and Adams Rd. 381 Comment
  UC2013131  Eriastrum harwoodii Neal Kramer 2012-3-24 2039 Riverside Approximately 15 miles west of Blythe Comment
  UC284208  Eriastrum sapphirinum P. A. Munz 1923-6-14 7103 Riverside Glen Ivy Trail Santa Ana Mts., Santiago Peak 914 Comment
  RSA0043247  Eriastrum sapphirinum subsp. dasyanthum Duncan S. Bell, J. D. England 2010-5-27 1124 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.8 air mile southeast of junction of Highway 74 and forest service road 5S15. 768 Comment
  RSA0121561  Eriastrum sapphirinum subsp. dasyanthum Kathy Harper 1988-6-11 s.n. Riverside Bautista Canyon, lower end of Bautista Rd. Comment
  CDA23784  Ericameria brachylepis Mike Lahti 2008-10-21 PDR# 1509234 Riverside Temecula, 46062 Vista Del Mar at Los Gatos. 0 Comment
  RSA23701  Ericameria linearifolia R. S. Woglum 1934-3-18 627 Riverside Snow Creek, Coachella Valley Comment
  UCR244391  Ericameria linearifolia Jim Andre 2012-4-16 20965 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  UCR100373  Ericameria palmeri var. pachylepis A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21616 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  SFV13134  Ericameria parishii var. parishii M. J. Thor 1982-9-18 155 Riverside San Jacinto Mountains Idyllwild. Saunders Meadow Road, 0.25 miles from State Highway 243. 1524 Comment
  POM18175  Ericameria pinifolia M. French Gilman 1932-11-30 14 Riverside Banning Water Canyon. Comment
  RSA6033  Erigeron foliosus C. B. Wolf 1932-8-4 3918 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  UCR24001  Eriochloa acuminata Alfred R. Roos 1937-11-28 s.n. Riverside East Washington Street, Riverside 457 Comment
  UCR111988  Eriochloa aristata A. C. Sanders, T. B. Salvato 2000-4-27 23375 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  CHSC35879  Eriodictyon crassifolium James Henrickson 1972-5-21 7195 a Riverside Ca. 13 air mi. W. of Temecula in Mateo Cyn. along Tenaja Rd; ca. 4 mi. N. of Tenaja Campground. 457 Comment
  RSA455025  Eriodictyon crassifolium E. C. Jaeger 1921-6-8 s.n. Riverside McMullen Trail [Banning to McMullen Flat], north slope San Jacinto Mts Comment
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Nov 5 2011
  RSA757989  Eriodictyon crassifolium var. crassifolium Doug Goldman 2005-5-11 3284 Riverside White Post Turn on Rt. 74, to the E. side of the road and NW part of the turn, about 3.9mi W. of the intersection with Rt. 243. San Bernardino National Forest. 1088 Comment
  RSA757788  Eriodictyon trichocalyx var. trichocalyx LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4299 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  JOTR33772  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2926 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  RSA766409  Eriogonum apiculatum Joseph A. Ewan 1928-9-30 1519 Riverside Tahquitz Peak Trail, San Jacinto Mts. 2073 Comment
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Oct 23 2011
  SD155432  Eriogonum apiculatum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, above east-west primary fire road, below peak. Comment
  CAS-BOT-BC242802  Eriogonum davidsonii Susan G. Stokes 1933-7-1 106 Riverside Near Idyllwild, San Jacinto Mts. Comment
  RSA783168  Eriogonum davidsonii Elizabeth A. Kempton, Naomi Fraga, Tim Tibault, Valentin Arvizu 2006-6-7 384 Riverside San Jacintos, near Palm View Peak, just east of Forbes Ranch Road 1879 Comment
  CAS-BOT-BC256132  Eriogonum deflexum var. deflexum John Thomas Howell 1928-11-4 4083 Riverside Hidden Spring Canyon at Hidden Spring, 13 miles se. of Mecca, Chocolate Mts. Comment
  UCR159196  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Kelly Volansky 2005-8-31 31598 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  JOTR32460  Eriogonum fasciculatum var. flavoviride La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2605 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  CAS-BOT-BC249961  Eriogonum fasciculatum var. foliolosum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA0123106  Eriogonum fasciculatum var. polifolium Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9013 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
  UC1608274  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7320 Riverside San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 365 Comment
  RSA735613  Eriogonum gracile var. incultum LeRoy Gross, Duncan S. Bell 2008-9-16 3576 -b Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  RSA393578  Eriogonum inflatum var. inflatum N. C. Cooper 1949-4-8 3264 Riverside Mecca Pass east of Indio. 610 Comment
  SBBG64073  Eriogonum molestum R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  UCR40036  Eriogonum molestum Dave Goodward 1985-9-29 s.n. Riverside San Jacinto Mtns., rim of Hall Canyon above the U.C. James Reserve Comment
  POM259133  Eriogonum nudum var. pauciflorum P. A. Munz 1938-8-14 15374 Riverside East of Toro Peak 2287 Comment
  RSA340184  Eriogonum pusillum Robert F. Thorne, W. A. Tilforth 1980-5-28 54179 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA698446  Eriogonum pusillum J. R. Bruff 1927-3-12 3 -G Riverside Whitewater. Comment
  RSA339343  Eriogonum thomasii Robert F. Thorne, W. A. Tilforth 1980-5-28 54173 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UC1279724  Eriogonum thomasii David B. Dunn, Shogo, Schroeder, Bruskin, Folsom 1948-3-13 3733 Riverside near Pushawalla Canyon (w of Indio); Colorado Desert, Indio Hills Comment
  UC666503  Eriogonum thomasii Annie M. Alexander and Louise Kellogg 1941-5-28 2260 Riverside Metropolitan Aqueduct road e Hayfield Comment
  UC68581  Eriogonum thomasii H. M. Hall Apr. 1905 5812 Riverside 10 mi w Coachella; Colorado Desert 152 Comment
  UCD101280  Eriogonum thomasii P. C. Everett; E. K. Balls 1958-4-29 22960 Riverside US Hwy. 60/70 Indio to Blythe, 5 miles east from jct. with US Hwy 99. 121 Comment
  JEPS56273  Eriogonum thurberi W. L. Jepson 1901-5-22 1401 Riverside Palm Canyon Mt. San Jacinto, Palm Canyon Comment
  UCR108472  Eriogonum thurberi A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16196 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
  RSA794077  Eriogonum trichopes Jim Andre 2012-3-19 21361 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  UCR120582  Eriogonum trichopes Steven R. Hill, K. Kramer 2001-4-27 33488 Riverside Sonoran (Colorado) Desert, N side of Route I-10, W side of Coachella Canal, about 0.1-0.2 mi north of interstate highway, 3 mi east of Indio 9 Comment
  POM259129  Eriogonum umbellatum subsp. munzii P. A. Munz 1938-8-14 15377 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  POM247452  Eriogonum wrightii var. membranaceum P. A. Munz 1941-10 17235 Riverside Dos Palmos Spring, north base of Santa Rosa Mountains. Comment
  SBBG64303  Eriogonum wrightii var. wrightii R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  POM357895  Eriophyllum ambiguum var. paleaceum Emery M. Whilton 1937-4-23 s.n. Riverside Taken on the crest of the San Jacinto Mtns. Comment
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Dec 18 2011
  OBI16503  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 322 Riverside Poppet Flat along County rte 1, San Jacinto Mtns 1372 Comment
  RSA388778  Eriophyllum confertiflorum F. T. Sproul 1977-8-10 183 Riverside On hill W of Pioneer Mail. 1700 Comment
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Mar 18 2013
  SD187350  Eriophyllum confertiflorum Scott D. White, Angelia Carey 2004-4-16 10157 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UCD132264  Eriophyllum confertiflorum P. C. Everett; E. K. Balls 1958-5-4 23081 Riverside Morongo Pass, 7.6 mi. n. along road to 29 Palms from U.S. Hwy. 60/70. 670 Comment
  SDSU14094  Eriophyllum confertiflorum var. confertiflorum Jonathan S. Austin, Michael G. Simpson 2002-4-20 11 Riverside Along northeastern partof Loop trail. Santa Margarita Ecological Reserve. 341 Comment
  CAS-BOT-BC301786  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Leach Canyon, Santa Ana Mts 548 Comment
  JEPS3064  Eriophyllum multicaule C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4734 Riverside Gavilan Peak 600 Comment
  POM29805  Eriophyllum multicaule Marcus E. Jones 1882-5-27 s.n. Riverside San Jacinto Mts. Comment
  UCR20783  Eriophyllum multicaule A. C. Sanders, Steve Boyd 1980-5-2 1408 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR92348  Eriophyllum multicaule Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  SD73607  Eriophyllum wallacei Helen V. Witham 1970-4-29 821 Riverside 22 miles east of Lake Hemet. 1000 Comment
  UC69060  Eriophyllum wallacei H. M. Hall 1905-5-1 6012 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
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Oct 9 2010
  RSA691980  Erodium botrys Scott D. White, Michael Honer 2003-4-2 8923 Riverside Temescal Valley: Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  RSA736317  Erodium brachycarpum Scott D. White, Justin M. Wood 2008-3-25 11775 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  SD68945  Erodium brachycarpum Robert F. Thorne, E. Lathrop, et al. 1968-4-18 37435 Riverside Santa Rosa Plateau on Mesa de Colorado, Rancho California. 671 Comment
  SEINET4557895  Erodium cicutarium Naomi Fraga, David Fraker, Tommy Stoughton 2012-1 3951 Riverside Mojave Desert; Southcentral Mojave Desert region: Off of Box Canyon Rd. S. of Shaver Well in wash 229 Comment
  RSA192138  Eryngium aristulatum var. parishii E. W. Lathrop 1966-9-14 6887 Riverside 3 miles SW of Murrieta. Comment
  SEINET13754614  Erythranthe diffusa B. Ertter, J. Strachan 1979-1 2975 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. Comment
  UC118510  Eschscholzia californica Charlotte M. Wilder June, 1905 652 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  CDA24567  Eschscholzia minutiflora T. C. Fuller 1963-4-23 10276 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.9 miles northeast of Mecca. 0 Comment
  CSUSB1238  Eschscholzia minutiflora J. E. Parlevliet 1958-4-19 Riverside Along highway to Twenty-Nine Palms about 2 miles up this road from where it starts on highway Riverside-Indio, till first sign on right, "Kings Ranch." 304 Comment
  RSA445442  Eschscholzia parishii E. C. Jaeger 1922-3-27 708 Riverside Colorado Desert. Box Canon, near Mecca. 91 Comment
  RSA550269  Eschscholzia parishii Walter Wisura, John Dolan, M. Wall 1992-3-24 4627 Riverside Low desert: 10 mi NE of Mecca on Box Canyon Rd. Comment
  UC855175  Eschscholzia parishii I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs Comment
  UCR147846  Eschscholzia parishii Steve Boyd, Et al. 2004-5-14 11272 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR16457  Eschscholzia parishii Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon about 8 miles east of Mecca 274 Comment
  UCSB42164  Eschscholzia parishii Roos, John 1966-3-26 Riverside 2 miles S.E. of Desert Center Comment
  RSA0022922  Eschscholzia parishii J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  SEINET10890746  Eucalyptus Nye Leith, Greg Gust 2005-3-11 Nye 56 Riverside Lake Elsinore. Ca. 2 miles SW of intersection of I-15 and Rt. 74. Hotel parking lot on Auto Center Dr. 399 Comment
  OBI38361  Eucalyptus rudis Alden Kelly 1986-3-17 s.n. Riverside Edgemont area of Moreno Vallye, from planting along W side of hwy 215 at Eucalyptus Ave, row runs ca 1 mi along 215 457 Comment
  CSUSB861  Eucalyptus tereticornis Bruce A. Beebe 1970-5-12 39 Riverside Box Springs Mountains North foothills of Box Springs Mountains along Pigeon Pass Road, 0.4 mile from junction with Serpentine Road; about 3 miles north of UC Riverside. 426 Comment
  RSA543756  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6076 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
  UCR98071  Eucrypta chrysanthemifolia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19900 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  UC666589  Eucrypta chrysanthemifolia var. bipinnatifida Harlan Lewis and Carl Epling 1942-4-26 1607 Riverside near Split Rock Tank; Joshua Tree National Monument Comment
  UC1618027  Eucrypta chrysanthemifolia var. chrysanthemifolia Donald G. Nelson 1936-5-22 390 Riverside along trail from Ribbonwood Camp down to Palm Canyon (Pines to Palms Hwy, near base of Santa Rosa Mountains) Comment
  POM261028  Eucrypta micrantha E. C. Jaeger 1941-3-23 s.n. Riverside 13 miles W of Rice. 518 Comment
  RSA698221  Eulobus californicus J. R. Bruff 1928-4-2 86 Riverside Whitewater. Comment
  CAS-BOT-BC202528  Euphorbia John H. Thomas 1957-3-30 6536 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highways 60 and 70. Colorado Desert 518 Comment
  SD181548  Euphorbia Louis C. Wheeler 1952-4-5 6850 Riverside Neat Canyon east of Painted Canyon. Comment
  UC1929948  Euphorbia albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR235095  Euphorbia albomarginata A. C. Sanders, John F. Green 2012-5-27 40198 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, powerline route west of Valley Substation (on Menifee Rd.), N of McLaughlin Rd. on the E side of San Jacinto Rd 441 Comment
  JOTR32107  Euphorbia micromera Harding, Mitzi, Kipp Callahan 2012-8-27 282 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  POM9771  Euphorbia misera E. C. Jaeger 1921-4-15 4415 Riverside Palm Springs 152 Comment
  UCR26988  Euphorbia peplus E. W. Lathrop 1966-5-8 6410 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCR166022  Euphorbia polycarpa Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  SEINET10739816  Euphorbia polycarpa Lewis S. Rose 1935-12-19 Rose 35663 Riverside Colorado Desert, Palm Springs, CA. 133 Comment
  OBI14405  Euphorbia polycarpa var. hirtella Lewis S. Rose 1959-1-8 59003 Riverside La Quinta 15 Comment
  OBI14407  Euphorbia polycarpa var. hirtella Robert F. Hoover 1966-10-15 10162 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  RSA70387  Euphorbia polycarpa var. hirtella F. W. Peirson 1924-12-30 5418 Riverside Abundant in dry desert sands; Thousand Palms Canyon. 122 Comment
  UCD142740  Euphorbia polycarpa var. hirtella A. H. F. 1928-3-1 s.n. Riverside W. of Colorado Desert; Nr. Palm Springs. Comment
  UCR183166  Euphorbia polycarpa var. hirtella Mitch Provance 2003-5-5 4409 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  OBI42536  Euphorbia spathulata Robert F. Thorne, Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60654 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  CDA39715  Eustoma exaltatum Leo Kroonen 1943-10-18 s.n. Riverside Corona. 0 Comment
  RSA611954  Eustoma exaltatum Louis C. Wheeler 1952-12-15 7025 Riverside Riverside Mountains: 2-3 miles souith of Mountaineer Mine, north of Johnson's Camp. Shore of Alligator Slough of the Colorado River. Comment
  RSA457795  Fagonia laevis Steve D. Boyd, Richard Noyes, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2203 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  SEINET3071531 Image available Fagonia laevis George K. Helmkamp, E. A. Helmkamp 1998-1 2657 Riverside Sonoran (Colorado) Desert; Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR104005  Fagonia laevis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2657 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR41847  Fagonia laevis A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6100 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCSB8693  Fagonia laevis Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  RSA605769  Fagonia pachyacantha A. C. Sanders 1995-5-23 17126 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns, near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  RSA77845  Fagonia pachyacantha F. W. Peirson 1922-4-12 2889 Riverside along boulevard, 18 mi. southeast of Coachella. Comment
  SD128675  Fagonia pachyacantha Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  UCR260260  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2015-3-11 41400 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 674 Comment
  CAS-BOT-BC59767  Ferocactus cylindraceus L. R. Abrams 1926-3-26 11209 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR213567  Festuca microstachys var. pauciflora A. C. Sanders, Matthew Malle 2010-4-23 38008 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR2409  Festuca myuros F. M. Reed 1926-6-14 59 Riverside San Jacinto Mtns., Banning Road near Point View [=Vista Grande?], west of Idyllwild 1768 Comment
  UCR252614  Festuca octoflora T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-27 7456 Riverside Perris-Aguanga Basin, Menifee, along Murrieta Road between Newport Road and La Piedra Road 457 Comment
  UCR75038  Festuca octoflora A. C. Sanders, E. J. Lawlor 1992-4-4 12152 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR251316  Festuca octoflora var. octoflora T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-26 7419 Riverside Perris-Aguanga Basin, Lakeland Village, Stoneman St between Union St and Palomar St, c. 0.75 mi southeast of Lake Elsinore 389 Comment
  RSA387341  Filago arizonica Steve Boyd 1986-5-1 1789 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  POM157906  Filago californica P. A. Munz 1927-5-20 10814 Riverside 10 miles south of Hemet Comment
  CLARK-A1528-1843  Filago depressa John C. Roos 1952-4-23 5580 Riverside Box Springs Mountain 457 Comment
  SEINET7907909  Fouquieria splendens D. A. Johnson 2005-1 Riverside Between Coachella and S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  UCR22127  Frankenia salina Steve Boyd 1980-5-13 266 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UCR266356  Frankenia salina D. E. Bramlet 2005-6-28 3881 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  UCR89686  Frankenia salina Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  LA50896  Fraxinus dipetala Carl Epling; 1943-3-27 sn Riverside 4 mi. W of Elsinore, on Ortega Highway Comment
  UCR126262  Fraxinus uhdei Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  RSA0097126  Funastrum cynanchoides var. hartwegii Marc A. Baker, Danny Cuellar, Chris Taylor, Paul Roberge, Cecile Shohet, Youssef Atallah 2015-7-3 18377 Riverside 1.8 km south of San Timoteo Wash, 15 km SE of central San Bernardino, 35m south of the San Bernardino County line. 491 Comment
  SD229053  Funastrum heterophyllum Dick Schwenkmeyer 2012-5-22 710 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 mi. south of intersection of highways 10 and 111, Riverside County, CA. 511 Comment
  RSA644216  Funastrum hirtellum V. W. Steinmann, P. I. Moscosa, Timothy S. Ross 1998-4-14 1364 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. 182 Comment
  SEINET10862447  Funastrum hirtellum Thorne 1979-8-23 THORNE 54607 Riverside Pinto Basin Road, Cholla Garden 1097 Comment
  UCR59661  Galium angustifolium Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3527 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  JEPS56083  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4276 Riverside on road to Santa Rosa Mountain 1.8 mi above Mountain Home Spring (w-facing slope) Comment
  RSA750539  Galium angustifolium subsp. angustifolium Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12589 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  RSA755  Galium angustifolium subsp. angustifolium J. T. Howell 1928-7-7 1037 Riverside Santa Ana Mts. above Glen Ivy. 610 Comment
  SBBG68828  Galium angustifolium subsp. angustifolium R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  RSA0051335  Galium angustifolium subsp. jacinticum Valerie Soza, Steve Boyd 2004-6-22 1727 a Riverside San Jacinto Mountains, southeast side of Lake Fulmor, slope above Hwy 243 (Hall Canyon). 1615 Comment
  LA208516  Galium johnstonii F. H. Lewis; 1939-11-22 Riverside San Jacinto Mountains, Dry slope, Idyllwild Comment
  JEPS9482  Galium parishii Carl V. Meyer 1928-7-27 564 Riverside Hidden Lake San Jacinto Mts. 2712 Comment
  UCR26357  Galium parishii A. C. Sanders, J. A. Harpel 1981-8-26 2332 Riverside Santa Rosa Mtns., About 100 ft below the summit of Toro Peak 2622 Comment
  CAS-BOT-BC217621  Galium stellatum subsp. stellatum Annie M. Alexander; Louise Kellogg 1941-5-18 2200 Riverside North slope of Eagle Mountains 1066 Comment
  UCR101447  Garrya flavescens A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22222 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR209592  Garrya flavescens 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
  UCR208878  Garrya flavescens subsp. pallida W. E. Pequegnat 1941-1-11 s.n. Riverside Peninsular Range; Santa Ana Mtns., Indian Truck Trail 976 Comment
  UC1930170  Gastridium phleoides Scott D. White, Michael Honer 2003-6-3 9463 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR193412  Gayophytum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35631 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
  PASA409  Geraea canescens 1926-2-21 Riverside Thousand Palms Comment
  UCR103545  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-1-17 2528 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  SEINET10726156  Geraea canescens Billy Joe Cox 1975-4-23 Cox 4168 Riverside Palo Verde, 1-3 km W, (ca, 32 mi S of Blythe). 70 Comment
  POM12711  Geranium californicum P. A. Munz 1922-7-6 5985 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA715173  Geranium carolinianum A. C. Sanders, T. B. Salvato 2006-5-4 32246 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
  CHSC8303  Gilia Edward L. Smith 1958-3-22 391 Riverside 6 mi. s of Rice. Near Priest's Well. Little Santa Maria Mts. 365 Comment
  UCR152523  Gilia A. C. Sanders 2005-4-22 29610 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA470128  Gilia angelensis N. C. Cooper 1947-4-5 2043 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA605202  Gilia angelensis A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16171 Riverside Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Hwy 111 (Palm Canyon Dr.) 490 Comment
  RSA670710  Gilia angelensis B. C. Templeton, I. W. Clokey 1930-4-9 1027 Riverside North Banning 610 Comment
  RSA72287  Gilia angelensis F. W. Peirson 1929-5-4 8334 Riverside Summit of St John's grade. 792 Comment
  SD232284  Gilia angelensis Michael Wall 2003-4-15 264 Riverside Peninsular Ranges; San Jacinto Mountains region: Lamb Canyon west of Beaumont off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 33. 601 Comment
  UC1595709  Gilia angelensis W. Wisura, A. King, and L. Newcomb 1992-4-10 4673 Riverside n of West Palm Springs; Gorgonio Pass, Stubbe Canyon Comment
  UC217962  Gilia angelensis P. A. Munz and I. M. Johnston 1922-5-19 5350 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UCR106422  Gilia angelensis George K. Helmkamp, A. C. Sanders 1997-3-15 1487 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  UCR118405  Gilia angelensis A. C. Sanders 1994-5-15 14486 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR249826  Gilia angelensis T. B. Salvato, John Lovio 2013-3-19 7364 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA359866  Gilia angelensis Steve Boyd 1986-4-2 1615 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA559955  Gilia capitata subsp. abrotanifolia Steve Boyd, Orlando Mistretta 1992-4-23 7066 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  RSA67077  Gilia capitata subsp. abrotanifolia Verne Grant, Alva Grant 1951-6-4 16010 Riverside Small canyon 2 mi. s. of Temecula on Hwy 395. 335 Comment
  RSA748919  Gilia capitata subsp. abrotanifolia Peter L. Morrell, D. L. Banks 1995-5-4 461 Riverside Agua Tibia Wilderness Area, 2.4 mi. (air) WSW of Radec 622 Comment
  POM19650  Gilia diegensis Mary F. Spencer 1923-6-12 s.n. Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR1068  Gilia diegensis J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  UC908040  Gilia latifolia Victor Duran 1935-4-18 Riverside near Indio (Curtis Palms); Curtis Palms -- near Indio Comment
Read comments
Dec 14 2011
  UCR84610  Gilia ochroleuca Scott D. White, S. Ogg 1994-4-21 2004 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CAS-BOT-BC407610  Gilia ochroleuca subsp. exilis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside 1 mi. W of San Jacinto Comment
  CAS-BOT-BC407803  Gilia ochroleuca subsp. exilis Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4016 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  RSA0017284  Gilia ochroleuca subsp. exilis Naomi Fraga, Duncan S. Bell 2009-5-6 2705 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  UCR121188  Gilia ochroleuca subsp. exilis D. E. Bramlet 1991-5-10 2138 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  UCR20895  Gilia ochroleuca subsp. exilis A. C. Sanders 1978-6-20 503 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  RSA0017293  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-22 1755 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  HSC16979  Gilia scopulorum C. L. Hitchcock, C. V. Muhlick 1964-3-22 23268 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  UCR44363  Gilia sinuata A. C. Sanders 1986-6-1 6559 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  JEPS61581  Gilia stellata Marjorie D. Clary 1932-3-2 1623 Riverside 8 mi sw Coachella (w of Coral Reef Ranch); Colorado Desert, sw of Coachella 91 Comment
  RSA150808  Gilia stellata Clare B. Hardham 1962-3-18 8925 Riverside East side of Salton Sea, Route 195 Comment
  UCR216212  Gilia stellata Jim Andre, T. La Doux 2009-2-25 10826 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  HSC85269  Githopsis diffusa subsp. candida Steve Boyd 1986-4-22 1771 Riverside Temescal Canyon, E side of Indian Wash, S of I-15 Comment
  RSA273030  Glinus lotoides C. W. Tilforth, Walter Wisura 1978-10-6 1715 Riverside East end of Lake Skinner, northeast of Temecula. 451 Comment
  CAS-BOT-BC280554  Glyceria elata Scott D. White 1998-7-31 6954 Riverside San Jacinto Mts. Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1950 Comment
  RSA559334  Gnaphalium beneolens Steve Boyd, Tim Ross 1992-5-15 7408 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  UCR91644  Gnaphalium californicum Steve Boyd, D. L. Banks 1995-4-5 8432 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  POM10051  Gnaphalium microcephalum F. M. Reed 1903-10-24 27 Riverside Cold water canyon [Santa Ana Mts., near Temescal Valley] Comment
Read comments
Apr 7 2011
  RSA192328  Gnaphalium palustre H. A. Zuill 1966-6-29 262 Riverside Around lake on Mesa top near Santa Rosa Ranch about 6 miles SW Murrieta Comment
  RSA643676  Gnaphalium palustre A. C. Sanders, J. C. Lyman 1995-4-16 16567 Riverside Glen Avon: sand dune area on the N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  UCR116997  Gnaphalium palustre A. C. Sanders, T. B. Salvato 2001-5-3 24104 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR21313  Gnaphalium stramineum 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
  UCSB1696  Grayia spinosa Graney, Don 1953-3-21 Riverside Devils Garden, 11 miles east of White Water, Colorado Desert Comment
  UCR139618  Gutierrezia californica A. C. Sanders 2004-6-30 28384 B 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
  UCR235216  Gutierrezia californica A. C. Sanders, John F. Green 2012-6-1 40242 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  CAS-BOT-BC302145  Gutierrezia sarothrae Lewis S. Rose 1936-12-24 36816 Riverside San Jacinto Mts. Palms to Pines Highway, 24 mi. SW. of Indio 1066 Comment
  UCR13690  Haplopappus menziesii J. Gull 1973-7-31 s.n. Riverside Hills east of Norco Comment
  CLARK-A1528-1905  Haplopappus squarrosus John C. Roos 1952-8-27 5890 Riverside Reche Canyon 457 Comment
  SEINET3242791 Image available Harpagonella palmeri Steve Boyd 1986-1 1767 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  LA203735  Hazardia squarrosa var. grindelioides A. M. Johnson; 1932-8-18 4139 Riverside San Jacinto Mountains, along road, down Banning side Comment
  UCR112991  Hedypnois cretica Mitch Provance 1999-5-4 1681 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  JEPS15722  Helianthus gracilentus Peter H. Raven and S. R. Snow 1956-6-30 9525 Riverside on road to Elsinore 2.5 mi from Alberhill Comment
  POM360006  Helianthus gracilentus N. C. Cooper 3955 Riverside Elsinore. 762 Comment
  RSA16508  Helianthus gracilentus Percy C. Everett 1935-6-17 7150 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 609 Comment
  RSA180439  Helianthus gracilentus E. W. Lathrop 1965-5-7 5705 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  UC1523682  Helianthus gracilentus Robert F. Thorne, Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60625 Riverside burned-over chaparral along Clinton Keith Road (near base of plateau); Santa Rosa Plateau 430 Comment
  UCR121094  Helianthus gracilentus A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24963 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  SDSU13700  Heliotropium curassavicum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita River, near aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of section 27. 247 Comment
  UC1532826  Heliotropium curassavicum Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47310 Riverside Santa Rosa Plateau, Mesa de Burro, Rancho California 609 Comment
  VVC2321  Heliotropium curassavicum var. oculatum Tim Thomas 2011-10-17 5522 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  UCR131796  Hemizonia fasciculata Mitch Provance 1998-6-24 714 Riverside Jurupa Mountains, Canyon NE of the Jurupa Mountains Culture Center, c. 0.7km SW of peak 1701. 335 Comment
  UCR180044  Hemizonia kelloggii Mitch Provance 2005-5-18 9811 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  RSA614687  Hemizonia mohavensis A. C. Sanders, Schram, D. Wappler 1994-10-6 15793 Riverside San Jacinto Mts. N slope 1 mile SE of Twin Pines Ranch along minor gullies between Pines Creek and Dutch Creek. 1195 Comment
  RSA716064  Hemizonia mohavensis Scott D. White, Justin M. Wood 2006-9-13 11643 Riverside Perris Basin/San Jacinto Mtn Foothills: Gibbel Flat in the Santa Rosa Hills 610 Comment
  UCR165204  Hemizonia mohavensis Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., near McCall Memorial Park, N of Calif. highway 74 about 0.65 mi WNW of junction with Banning/Idyllwild Road 243 1366 Comment
  RSA655228  Hemizonia paniculata Scott D. White 1999-10-7 7625 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA791795  Hemizonia paniculata J. George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough: North Lake Elsinore, just west of Nichols Road and Collier Ave. junction. 384 Comment
  UCR134655  Hemizonia paniculata Mitch Provance 1998-4-9 406 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  UCR187504  Hemizonia paniculata Theresa Johnson 2006-9-27 286 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Road west of Squaw Mountain, c. 1 mile NW of Tenaja Guard Station 598 Comment
  UCR126990  Hemizonia pungens subsp. laevis A. C. Sanders, Guy Bruyea 2003-6-12 26891 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR266367  Hemizonia pungens subsp. laevis D. E. Bramlet 2005-5-16 3846 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, canal right-of-way, east of Sanderson Ave. and south of Ramona Expressway 457 Comment
  UCR92288  Hemizonia pungens subsp. laevis Scott D. White, M. A. Patten 1995-8-16 3550 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  HSC25815  Hesperocallis undulata R. W. Spjut 1972-3-20 2286 Riverside Riverside/San Bernardino Co., Colorado Desert, 4-10 mi. W of Rice (N end of Maria Sand Dunes), along Hwy. From Rice to 29 Palms Hwy. or to Desert Center. 305 Comment
  JEPS61976  Hesperocallis undulata Marjorie D. Clary 1932-4-13 1592 Riverside Colorado Desert, Coachella Valley, Mecca Coachella Valley; Colorado Desert, , Mecca -60 Comment
  RSA395901  Hesperolinon micranthum Steve Boyd 1986-4-22 1773 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  CAS-BOT-BC131795  Hesperoyucca whipplei C. B. Wolf 1931-5-11 1943 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  RSA583618  Heterocodon rariflorum Steve Boyd, Darin L. Banks 1995-3-30 8414 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  UCR202594  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-7-9 12429 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  RSA769628  Heteromeles arbutifolia E. W. Lathrop 1973-6-28 7432 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1220 Comment
  SD232792  Heteromeles arbutifolia A. C. Sanders 1995-11-26 17913 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. 1203 Comment
  RSA0074449  Heterotheca fastigiata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, et. al. 2010-4-12 4534 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 525 Comment
  RSA78302  Heterotheca fastigiata P. A. Munz, E. K. Balls 1952-8-21 17990 Riverside Head of Hemet Valley 1494 Comment
  RSA336043  Hibiscus denudatus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52026 Riverside Chino Canyon. Comment
  SD258431  Hibiscus denudatus J. M. Andre 2013-3-4 23876 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mile west of Hwy 95, approx 12 miles S of Vidal Jct. 127 Comment
  UC170160  Hibiscus denudatus E. E. Schellenger 1894-12-2 106 Riverside Chuckawalla Wash, Colorado Desert Comment
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Sep 15 2016
  SEINET190986 Image available Hilaria rigida A. A. Beetle 1942-4-22 3183 Riverside 5 mi E of Shaver's Summit; Rt 60 & 70 Comment
  RSA0047272  Hirschfeldia incana J. Mark Porter, Lauren E. Machen 1997-2-15 11419 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  SD187381  Hirschfeldia incana Scott D. White, Angelia Carey 2004-4-16 10170 Riverside Indian Creek and adjacent slopes. 548 Comment
  SD232683  Hoffmannseggia glauca A. C. Sanders 1992-4-5 12166 Riverside Colorado Desert: Chuckwalla Valley, Ford Dry Lake, N of I-10 at Ford Dry Lk. Rd., near site of Hopkins Well. 110 Comment
  CAS-BOT-BC206108  Hoffmannseggia microphylla Ira L. Wiggins 1941-3-27 9690 Riverside 8.2 miles west of Shaver's Summit Comment
  CAS-BOT-BC207950  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well, Colo Desert Comment
  CLARK-A1528-2785  Hoffmannseggia microphylla John C. Roos 1949-3-19 4108 Riverside Mecca Comment
  RSA0125269  Hoffmannseggia microphylla Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8757 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
  SD174895  Hoffmannseggia microphylla Mark A. Elvin 2005-4-26 4229 Riverside Northern Sonoran Desert: Coachella Valley/Indio Hills; N of I-10. 198 Comment
  UCR141246  Holocarpha virgata subsp. elongata A. C. Sanders, Mike Misenhelter 2004-10-6 28826 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  UCR162940  Hordeum depressum Fred M. Roberts, D. E. Bramlet 2005-4-1 6147 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR211707  Hordeum depressum Fred M. Roberts, Michelle Balk 2006-5-2 6328 Riverside San Jacinto Valley, Hemet, Stoney Mountain Preserve, 1.0 km north of the summit of Tres Cerritos Hills and 0.4 km southeast of the junction of Warren Road and Esplanade Road 458 Comment
  RSA563921  Hordeum intercedens A. C. Sanders 1993-4-1 13661 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  SEINET13262567 Image available Hordeum intercedens D. E. Bramlet 2001-1 3137 Riverside San Jacinto Wildlife Area, east of Davis Rd. at the San Jacinto River 434 Comment
  SEINET954330 Image available Hordeum intercedens Mitch Provance 2005-1 6554 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 396 Comment
  RSA751251  Hordeum marinum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35601 Riverside plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  UCR92715  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18061 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA0063031  Hordeum marinum subsp. gussoneanum Andrew Haimov, April Sleigh 1992-5-10 85 Riverside San Jacinto Wildlife Area next to reclaimed water storage area, approximately 1 1/2 miles east of Davis Road. Comment
  RSA741422  Hordeum murinum Justin M. Wood 2008-12-2 259 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR265605  Hordeum murinum Jordan Zylstra 2014-3-18 14010 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  CAS-BOT-BC148563  Horkelia clevelandii H. M. Hall 1901-7-1 2291 Riverside Strawberry Valley, San Jacinto Mts. 1615 Comment
  RSA367  Horkelia clevelandii J. T. Howell 1927-8-2 557 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  RSA0018956  Horkelia clevelandii J. D. Olmsted 1959-6-26 686 Riverside Woods south of boys meadow area, Desert Sun School at Saunders Meadow near Idyllwild. San Jacinto Mountains, drainage area to San Jacinto River. 1707 Comment
  JEPS68630  Horsfordia alata Mrs. Ben L. Clary before Apr. 1930 Riverside Coachella Valley Colorado Desert Comment
  SD229153  Hosackia crassifolia var. crassifolia Dick Schwenkmeyer 2012-8-27 802 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  POM360726  Hulsea vestita subsp. callicarpha N. C. Cooper 1949-6-29 4310 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UC897988  Hulsea vestita subsp. callicarpha Munz and Johnston 1922-5-19 5415 Riverside on Farmer Ranch Hemet Valley; San Jacinto Mts. 1386 Comment
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Mar 13 2011
  UCSB42190  Hulsea vestita subsp. callicarpha Roos, John 1965-6-13 Riverside West of Mountain Center, San Jacinto Mtns. Comment
  UC21086  Hydrocotyle ranunculoides H. M. Hall June 1901 2168 Riverside San Jacinto Mts., Thomas Valley 1341 Comment
  POM361062  Hymenoclea salsola L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  UCR123760  Hymenoclea salsola var. pentalepis Steven R. Hill 2001-4-29 33548 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  POM13022  Hymenolobus procumbens P. A. Munz 1922-4-29 5120 Riverside Lancaster Valley, s. of Hemet 457 Comment
  RSA586325  Hypochaeris glabra D. L. Banks, S. D. Boyd 1995-5-3 0190 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
  UC1563124  Hypochaeris glabra Steve Boyd 1989-5-7 3532 Riverside Comment
  UCR112515  Hypochaeris glabra Mitch Provance 1998-3-6 138 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Park, 0.7 km west of Pyrite St.on the north side of Granite Hill Dr. 305 Comment
  CAS-BOT-BC219771  Hyptis emoryi E. Braunton 1929-1-1 1023 Riverside Painted Canyon, Mecca Comment
  LA61608  Hyptis emoryi Nesta Dunn; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
  RSA776343  Hyptis emoryi Duncan S. Bell 2010-3-20 625 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SD38548  Hyptis emoryi Edith Purer 1935-4-21 6464 Riverside Eastern slope of Mt. San Jacinto, Near Palm Springs Comment
  CLARK-A1528-1240  Imperata brevifolia John C. Roos 1965-7-22 Riverside Palm Springs 149 Comment
  RSA0028827  Isocoma acradenia W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 20 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  POM359295  Isocoma acradenia var. eremophila George R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  UCR19519  Isocoma acradenia var. eremophila John C. Roos 1965-10-12 s.n. Riverside Sonoran (Colorado) Desert, near Indio -6 Comment
  CDA32720  Isocoma menziesii var. vernonioides Mike Lahti 2009-10-13 PDR# 1501839 Riverside Hemet. Found off Deportola Road on Colt Road. 0 Comment
  UCD133437  Isocoma menziesii var. vernonioides K. Esau 1935-6-21 s.n. Riverside Road to Beaumont. Comment
  CAS-BOT-BC69865  Isoetes orcuttii Robert F. Thorne; E. Lathrop; P. Munz 1968-5-8 37567 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 670 Comment
  RSA0077522  Isomeris arborea var. angustata G. Wallace 1964-4-26 s.n. Riverside Palm Springs area. Comment
  UCR84501  Isomeris arborea var. globosa Steve Boyd 1994-10-14 8402 Riverside S Santa Ana Mtns, Santa Rosa Plateau, E of the Tenaja Guard Station of the Cleveland Nat'l Forest, at the intersection of Tenaja Road and Wildomar Truck Trail (7S01) 671 Comment
  POM13631  Ivesia santolinoides E. C. Jaeger 1921-07 1043 Riverside Ridge to east of Tahquitz Valley 2591 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
  CAS-BOT-BC101887  Juglans californica A. C. Sanders; K. C. Rose 1999-6-18 22803 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave., 1/2 mile S of Rawson Rd. (Winchester 7.5' Q.) 439 Comment
  CAS-BOT-BC140655  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37144 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside 345 Comment
  SD240765  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Peninsular Tange: Box Springs Mountains Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive (Riverside East 7.5'Q) 320 Comment
  SD240767  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37150 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  CAS-BOT-BC110068  Juncus acutus W. R. Dudley 1903-12-26 s.n. Riverside Palm Springs. Comment
  UC667381  Juncus acutus subsp. leopoldii Annie M. Alexander and Louise Kellogg 1941-5-26 2241 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  HSC24281  Juncus bufonius James Henrickson 1969-5-16 3261 Riverside 6 mi. W of Murrieta on Colorado Mesa of Santa Rosa Plateau 701 Comment
  RSA515308  Juncus bufonius Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau: S of town of Murrieta, S of Mesa de Burro and NW of Mesa de la Punta. 610 Comment
  SD187306  Juncus bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR171139  Juncus bufonius John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  RSA234012  Juncus bufonius var. occidentalis Robert F. Thorne, E. W. Lathrop 1969-5-12 37927 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  SD232562  Juncus effusus Scott D. White 1996-8-15 4463 Riverside Idyllwild area: Alvin Meadows and unnamed canyon upstream. Site is at upper margin of area burned in July 1996. 1525 Comment
  UC1601813  Juncus macrandrus H. M. Hall Jul 1901 2248 Riverside Fuller's Mills San Jacinto Mountains Comment
  RSA704867  Juncus mexicanus J. Russell Bruff 1934-6-19 549 Riverside Near Hemet Reservoir. Comment
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Jul 29 2010
  UCR35287  Juncus mexicanus L. B. Ziegler 1972-7-12 490 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1372 Comment
  SD185070  Juncus rugulosus T. B. Salvato, Melissa Clemons 2005-6-23 1317 Riverside Temescal Valley, 3.0 m iles northwest of Alberhill, Temescal Canyon Road at Corona Lake. 353 Comment
  RSA125840  Juncus textilis E. K. Balls, Percy C. Everett 1957-11-13 22800 Riverside Snow Creek, north base San Jacinto Mountains. 701 Comment
  UCR125764  Juncus textilis A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25659 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  CLARK-A1528-19  Juncus xiphioides C. M. Flanagan 1973-6-13 OO 711 Riverside Morongo Indian Reservation 1127 Comment
  RSA368389  Juncus xiphioides John Olmsted 1962-5-10 3658 Riverside Between Sandia and DeLuz Creeks, Murrieta to DeLuz Road, western Riverside County. 206 Comment
  RSA564029  Juncus xiphioides A. C. Sanders, O. F. Clarke 1991-6-10 11136 Riverside Along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River Comment
  UCR116577  Juncus xiphioides D. L. Banks, E. H. Banks 1996-5-2 948 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  UCR170123  Juncus xiphioides Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 109 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  RSA402291A  Justicia californica N. C. Cooper 1949-4-8 3274 Riverside Shaver's Summit east of Indio. 610 Comment
  UC1302250  Justicia californica Robert Rutherford 1964-4-12 33657 Riverside ca. 1 mi. w. of turnoff to Cottonwood Wells (along Hwy. 60-70) Comment
  UC700978  Justicia californica Aven and Ruth Nelson 1939-3-22 3219 Riverside Palm Springs Comment
  UC888147  Justicia californica Ivan Johnston Apr 4 1917-Apr 6 1917 Riverside near Palm Springs Palm Springs Comment
  UCR226787  Justicia californica Jim Andre 2011-2-9 15901 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  JOTR29189  Kallstroemia californica La Doux, Tasha 2005-9-8 1302 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  UC27390  Keckiella antirrhinoides H. M. Hall Jun 1901 2016 Riverside Canyon of the San Jacinto River; San Jacinto Mountains 762 Comment
  UCR154635  Keckiella antirrhinoides A. C. Sanders, Mike Misenhelter 2005-6-15 30988 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CAS-BOT-BC236726  Keckiella antirrhinoides subsp. microphylla Peter H. Raven 1958-5-18 12995 Riverside Along State Highway 74, 4.9 miles north-east of Pinyon Flats, San Jacinto Mountains Comment
  UCR93813  Keckiella antirrhinoides var. antirrhinoides P. J. MacKay 1996-6-15 009 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  JOTR35446  Keckiella antirrhinoides var. microphylla Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 50 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  RSA597081  Keckiella cordifolia D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1119 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  RSA0019432  Keckiella ternata subsp. ternata Bonnie C. Templeton 1953-7-26 s.n. Riverside Idyllwild. 1646 Comment
  RSA674943  Koeleria macrantha Scott D. White, Sandy Leatherman 2000-5-31 7977 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCD86078  Koeleria macrantha F. M. Reed 1907-5-5 1338 Riverside north side of Hill in Fairmont Park. Comment
  CAS-BOT-BC273672  Koeleria pyramidata H. M. Hall 1901-6-1 2376 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  UCSB57986  Krameria bicolor Wolf, Carl 1932-4-29 Riverside Eastern Colorado Desert, W. edge of Maria Mts., 17 mi. from blythe on rice road 50 Comment
  UCR85433  Krameria erecta George K. Helmkamp 1994-4-26 88- 3 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  RSA795938  Krameria grayi Duncan S. Bell 2009-4-18 258 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  UC192438  Krameria grayi S. B. and W. F. Parish Mar 1882 84 Riverside borders of the Colorado Desert Comment
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Oct 5 2016
  UC667367  Krameria grayi Annie M. Alexander and Louise Kellogg 1941-5-20 2207 Riverside Eagle Mountains Eagle Mountain Pumping Station Road; Colorado Desert, Eagle Mountains 457 Comment
  UCR228387  Krameria grayi Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-5-25 218 Riverside Mojave Desert; East Mojave Desert, Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62 420 Comment
  UCR159252  Lactuca serriola A. C. Sanders, Kelly Volansky 2005-8-31 31573 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
  RSA180492  Lagophylla ramosissima E. W. Lathrop 1960-5-27 5233 Riverside 6 miles west of Murrieta. Comment
  SD136907  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest; 0.5 miles south of Serrano Spring 730 Comment
  RSA543136  Lamarckia aurea Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6125 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  JOTR32608  Larrea tridentata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2672 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
  RSA390032  Larrea tridentata E. A. McGregor 1966-3-21 s.n. Riverside Near Indio. Comment
  SBBG109171  Larrea tridentata D. Wilken with G. A. Wilken 1997-11-1 15373 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  SEINET4907865  Larrea tridentata H. F. Thut 1971-3-7 s.n. Riverside 10 miles E of Palm Springs. Comment
  CAS-BOT-BC412729  Lastarriaea coriacea Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  SD144037  Lasthenia californica Scott D. White 1997-2-28 4724 Riverside Elsinore area: SE of Hwy 74, ca. 1 mi E of jtn. with I-15 Freeway. 459 Comment
  UC517567  Lasthenia coronaria John Thomas Howell 1928-3-11 3415 Riverside Morongo Canyon; Colorado Desert 609 Comment
  SEINET11811273  Lasthenia coronaria J. F. Bright, Wyman, C. 1933-1 8050 Riverside near Palm Springs Comment
  RSA450757  Lasthenia glabrata subsp. coulteri J. C. Roos 1966-3-8 s.n Riverside 1 mile N of Lakeview Comment
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May 21 2011
  SBBG8514  Lasthenia glabrata subsp. coulteri H. and M. Dearing 1939-4-5 3095 Riverside Hemet Valley Comment
  UCR260572  Lasthenia gracilis T. B. Salvato 2014-5-29 8030 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCSB40450  Lasthenia gracilis Ochs, Clifford 1980-3-25 Riverside On N. side of State Highway 79, 15 miles W. of Vail Lake 274 Comment
  SD224958  Lathyrus latifolius Scott D. White 1996-8-16 4487 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to toll Rd. Cyn.).A few plants at terminus of Marion Ridge Rd, near radio facility, in open forest. 1700 Comment
  CAS-BOT-BC321563  Layia glandulosa Peter H. Raven 1958-5-5 12904 Riverside West of Split Rock Tank, Joshua Tree National Monument Comment
  RSA0029618  Layia glandulosa J. Andre 2006-4-6 6714 Riverside Joshua Tree National Park: along Desert Queen Mine Rd. 1363 Comment
  SEINET11811304  Layia glandulosa J. F. Bright, Wyman, C. 1933-1 8078 Riverside near Palm Springs Comment
  RSA747957  Layia platyglossa Justin M. Wood 2009-5-15 711 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  SEINET3893992  Layia platyglossa D. Atwood 1993-3-29 17729 Riverside Huntington Beach along Beach Blvd ca 1/2 miles N of the Beach.; 0 Comment
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Jul 20 2015
  UC1292588  Layia platyglossa C. L. Hitchcock and C. V. Muhlick 1964-3-17 23095 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UC828952  Layia platyglossa B. C. Templeton and I. W. Clokey 1930-4-9 4664 Riverside Banning Comment
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Dec 11 2016
  UCD133983  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  CAS-BOT-BC534386  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estelle Mtn.: Head of large cnayon draining the southeast side of Estelle Mtn. Pool near abandoned ranch house Comment
  RSA643101  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey. 701 Comment
  SD114969  Lepechinia cardiophylla M. Kottman 1982-5-17 Riverside Junction of Indian Truck Trail and North Main Divide; Santa Ana Mountains. Comment
  UCR162888  Lepidium dictyotum var. dictyotum Fred M. Roberts, D. E. Bramlet 2005-4-1 6154 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR76170  Lepidium dictyotum var. dictyotum A. C. Sanders 1993-4-1 13669 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
  CAS-BOT-BC89586  Lepidium lasiocarpum Philip A. Munz 1940-3-23 15687 Riverside Mohave Desert. North part of Pinto Basin, northern Riverside county. 609 Comment
  UCR603  Lepidium lasiocarpum subsp. lasiocarpum S. C. Warner 1956-4-28 s.n. Riverside Mojave Desert, Little San Bernardino Mtns., Joshua Tree National Monument, main road c. 2 mi north of White Tank Campground 1159 Comment
  UCR38081  Lepidium pinnatifidum O. F. Clarke 1985-5-13 s.n. Riverside San Jacinto River Valley, Gun club ponds east of Davis Road, a short distance north of Lakeview, east of the Bernasconi Hills 428 Comment
  UCR16600  Lepidium virginicum var. pubescens Leland E. Francois 1966-4-3 4366- 6 Riverside Peninsular Range, south of Sun City, 3.4 mi west of Hwy 395 on Newport Road 439 Comment
  RSA576089  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, narrows in central Dawson Canyon. 488 Comment
  HSC5930  Lepidospartum squamatum L. S. Rose 1966-12-14 66103 Riverside Whitewater Wash, N of Palm Springs Desert. 198 Comment
  JOTR35237  Lepidospartum squamatum Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, below Eureka peak on west boundary Comment
  RSA346266  Lepidospartum squamatum R. F. Thorne 1980-4-16 54041 Riverside San Bernardino Mts: White Water River, S of bridge, just W of Whitewater 396 Comment
  RSA554634  Lepidospartum squamatum Scott D. White 1992-9-2 767 Riverside San Jacinto Valley: Vicinity of Gilman Hot Spirngs, N side of San Jacinto River, and a thin strip tending N of the river & W of the Hot Springs. 451 Comment
  SD127552  Lepidospartum squamatum Reid Moran 1967-11-7 14647 Riverside 4 mi N of Palm Springs 299 Comment
  CLARK-A1528-5128  Lepidospartum squamatum var. palmeri John C. Roos 1965-10-12 Riverside Whitewater Comment
  RSA0013622  Leptosiphon ciliatus LeRoy Gross, Duncan S. Bell 2013-4-30 6029 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
  CAS-BOT-BC226618  Leptosiphon floribundus subsp. hallii A. Davidson 1903-5-1 s.n. Riverside Thermal, Colorado Desert Comment
  SD73177  Leptosiphon parviflorus D. F. Howe 1969-5-15 Riverside Hear Dripping Springs Camp 456 Comment
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Mar 6 2013
  RSA667000  Leptosiphon pygmaeus subsp. pygmaeus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24181 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  JOTR32900  Leptosyne californica La Doux, Tasha, E. Babich, J. Galvin 2008-2-21 2941 Riverside Joshua Tree National Park. eastern edge of Hexie Mountains; Wilson Canyon, open coarse sandy bajada west of pull out for Silver Bell Mine 804 Comment
  UC1929880  Lessingia glandulifera Scott D. White 2003-10-9 9822 Riverside San Jacinto Mountains: Pine Cove area. Dutch Flat. Comment
  UC1287413  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 583 Riverside 4.7 mi e of Anza; Road to Santa Rosa Summit 1371 Comment
  UCR138592  Lessingia glandulifera var. glandulifera D. L. Banks 1996-11-7 1218 A Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  SDSU13579  Leymus condensatus W. Miller, C. Mosse 1972-7-5 Riverside Comment
  UC38246  Leymus triticoides H. M. Hall June, 1901 2122 Riverside along borders of Colorado Desert San Jacinto Mountains (e base of mts.) Comment
  CDA17992  Limnobium laevigatum J. Chandler 1999-8-23 PDR 1239733 Riverside Outdoor pond at Desert Lawn Cemetary, Desert Lawn Dr., Calimesa, Riverside Co. 0 Comment
  UCR107836  Limonium perezii D. L. Banks 1997-5-5 1951 Riverside NW Palomar Mtns., Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation. c. 50 m east of the intersection between Vail Ranch Parkway, Redhawk Parkway and Nighthawk Pass 378 Comment
  UCR151098  Linanthus ciliatus Scott D. White, Julie Greene 1998-8-1 6975 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  UCR8102  Linanthus ciliatus B. Freeman 1969-6-13 690613- 01 Riverside San Jacinto Mtns., University of California, Riverside's James Reserve, near Lake Fulmor, on road from Banning to Idyllwild. Trailfinder's Camp. 1646 Comment
  HSC85324  Linanthus dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SEINET7073335  Linanthus dianthiflorus A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UC1563137  Linanthus dianthiflorus Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3182 Riverside Vail Lake area, in hills just to sw of the dam Vail Lake Area 487 Comment
  RSA395904  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-4-22 1779 Riverside Gavillian Hills: Plateau remnant on ridge E of Estelle Mountain, S of Dawson Canyon. Comment
  RSA480084  Linanthus filiformis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2173 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA776290  Linanthus jonesii Duncan S. Bell, Amanda Turek 2010-4-10 834 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  RSA747966  Linanthus lemmonii Justin M. Wood 2009-5-11 689 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  RSA761099  Linanthus lemmonii Thomas Stoughton, J. McConnaughy, Andrew Monks, M. Volke 2010-3-31 116 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 740 Comment
  UC1714592  Linanthus lemmonii A. J. McClatchie 1892-4-25 36 Riverside near Elsinore Comment
  UCR161031  Linanthus lemmonii D. E. Bramlet 1991-5-1 2103 Riverside Wilson Valley 671 Comment
  RSA91380  Linum lewisii F. W. Peirson 1922-5-20 3036 Riverside North side of Hemet Valley, San Jacinto Mts. 1372 Comment
  POM1582  Lithophragma affine subsp. mixtum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, canyons near Murietta. Comment
  SD234347  Lobelia dunnii var. serrata R. G. Swinney 1998-8-6 6682 Riverside San Gabriel Mtns.: Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River (Mt San Antonio 7.5'Q) 1036 Comment
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Dec 13 2015
  UC1714467  Loeseliastrum schottii E. E. Schellenger 1911-4-24 Riverside s. Palm Springs; Colorado Desert Comment
  RSA0121000  Logfia filaginoides Duncan S. Bell, LeRoy Gross 2016-3-8 8833 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.5 air miles north of the Bradshaw Trail. 417 Comment
  UCR243130  Logfia gallica Kate Kramer 2012-5-8 256 Riverside Peninsular Range; San Jacinto Mountains, south side of Hwy 74 near cement-lined water flue at National Forest Lands boundary 576 Comment
  UCR60835  Logfia gallica R. F. Thorne 1973-5-23 43869 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA741555  Lolium perenne Justin M. Wood 2008-11-17 234 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR137703  Lolium perenne subsp. multiflorum D. L. Banks, V. W. Steinmann 1997-3-13 1494 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
  UCR768  Lomatium utriculatum Robert A. Hawthorne 1957-3-27 s.n. Riverside San Bernardino Valley Region, Riverside, Citrus Experiment Station [now UCR], dry wash behind horse barn 275 Comment
  UCR231194  Lonicera subspicata A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39926 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  POM128323  Lonicera subspicata var. denudata H. M. Hall 1897-08 s.n. Riverside San Jacinto Mountains. Comment
  UC28538  Lonicera subspicata var. denudata Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  RSA772415  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4850 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
  RSA586848  Lotus hamatus D. L. Banks, S. D. Boyd 1995-5-3 0267 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
  UCR21930  Lotus hamatus Steve Boyd 1980-5-2 164 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA614598  Lotus heermannii A. C. Sanders, Steve Ogg 1994-7-28 15177 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  RSA757447  Lotus heermannii Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55226 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  RSA798593  Lotus heermannii Robert F. Thorne, E. W. Lathrop 1977-5-18 49753 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SDSU4302  Lotus heermannii bruhns 1965-5-22 112 Riverside Slope around girls' dormitory of Desert Sun School in Idyllwild. Comment
  RSA0028965  Lotus heermannii Keith E. Hoffmaster 1937-7-5 818 Riverside San Jacinto Mtns. Comment
  CLARK-A1656-671  Lotus humistratus Milton Walker 1978-3-6 Riverside San Jacinto Mountains 1097 Comment
  RSA761321  Lotus nevadensis Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 679 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA406176  Lotus nevadensis var. nevadensis N. C. Cooper 1944-7-16 1561 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  RSA627510  Lotus oblongifolius Scott D. White 1998-7-31 6953 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  UCR202591  Lotus oblongifolius Scott D. White, Justin M. Wood 2008-7-8 12371 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  UCR4765  Lotus oblongifolius Frank C. Vasek 1964-7-25 640725- 04 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  RSA90412  Lotus oblongifolius F. W. Peirson 1924-7-28 5018 Riverside Pine Flats Camp 1799 Comment
  UCR93066  Lotus purshianus A. C. Sanders, S. Ogg 1994-7-28 15193 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  JOTR31879  Lotus rigidus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2133 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  JOTR32152  Lotus rigidus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2307 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR25958  Lotus salsuginosus var. salsuginosus John C. Roos, L. Roos 1952-5-19 5694 Riverside One year old burn on hills north of Moreno 518 Comment
  UCR102760  Lotus scoparius B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3583 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
  RSA67307  Lotus strigosus G. R. Campbell 1951-4-22 16002 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  UC667365  Lotus strigosus Annie M. Alexander and Louise Kellogg 1941-5-15 2186 a Riverside n slope Eagle Mountains; Colorado Desert 914 Comment
  UCR172194  Lotus strigosus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR214326  Lotus strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38386 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR92489  Lotus tomentellus George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, 5.6 mi NE of Desert Center on Rice Rd. 152 Comment
  UCR120847  Lotus wrangelianus D. E. Bramlet 1993-4-12 2320 Riverside Lake Mathews; 46 m north of Cajalco Rd. at a point 762 m east of La Sierra Ave., NW of Siegal Ranch Road 427 Comment
  CLARK-A1528-490  Lupinus albifrons Conrad Bahre 1970-4-30 Riverside San Jacinto Mountains 1523 Comment
  RSA33840  Lupinus albifrons N. C. Cooper 1944-4-22 1124 Riverside Banning. 762 Comment
  UC397414  Lupinus albifrons P. A. Munz 1921-4-30 4494 Riverside Pinyon Wells 1219 Comment
  POM312142  Lupinus albifrons var. eminens N. C. Cooper 1944-4-22 1124 Riverside Banning. 762 Comment
  RSA407024  Lupinus andersonii Christopher Davidson 1978-6-15 7388 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  GMDRC3713  Lupinus arizonicus J. Andre, T. La Doux 2009-2-25 11160 Riverside Granite Mountains: Upper Granite Cove at pass to Sunset Cove, UC Granite Mountains Desert Research Center. USGS 7.5 minute Quad: Bighorn Basin 34 deg. 47.001' N 115 deg. 39.719' W. Elev. 4329 ft. 414 Comment
  POM349954  Lupinus arizonicus N. C. Cooper 1949-4-8 3255 Riverside Mecca Pass east of Indio. 610 Comment
  RSA659789  Lupinus arizonicus J. C. Roos 1947-2-15 3268 Riverside Lost Palms Cyn. S face of Eagle Mtns., west of Hayfeilds. Comment
  UCR267894  Lupinus arizonicus Jim Andre 2013-3-4 23857 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  UCR50650  Lupinus arizonicus B. A. Prigge 1988-2-21 7836 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  SEINET10837901  Lupinus arizonicus subsp. setosissimus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6471 Riverside Rice valley, 5.1 miles ssw of rice. T2s,r20e,sec.9. Locally common in sandy Gullies. Petals purple, the banner with yellow or red spots 274 Comment
  UCR174082  Lupinus bicolor A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32543 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  UCR228740  Lupinus bicolor A. C. Sanders, T. B. Salvato 2011-3-28 38815 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  RSA562462  Lupinus bicolor subsp. marginatus Steve Boyd, T. S. Ross 1992-5-5 7229 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA263671  Lupinus bicolor subsp. umbellatus E. W. Lathrop 1970-4-5 7929 Riverside Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA0122710  Lupinus concinnus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9054 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  SD152849  Lupinus concinnus Steve Boyd, Tim Ross 1992-5-4 7198 Riverside San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  SEINET7063226 Image available Lupinus concinnus A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR122525  Lupinus concinnus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6671 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  RSA407142  Lupinus concinnus subsp. optatus N. C. Cooper 1944-6-17 1434 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  RSA53912  Lupinus concinnus subsp. optatus Elisabeth Norland 1950-4-7 s.n. Riverside Aguanga. Comment
  SEINET10870983  Lupinus densiflorus var. austrocollium Robert F. Thorne 1968-5-8 Thorne 37598 Riverside Santa rosa plateau: grassy bank along small stream near roadside, rancho California; with cirsium drummondii, astragalus pomoninsis, etc. 610 Comment
  POM12635B  Lupinus densiflorus var. densiflorus Philip A. Munz 1922-4-30 5102 Riverside Dripping Spring near Temecula Creek. Comment
  RSA770703  Lupinus excubitus var. austromontanus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4809 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET10631127  Lupinus hirsutissimus Greg Gust, Leith Nye 2005-3-11 Gust 542 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  UCD170864  Lupinus hirsutissimus A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25849 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR156461  Lupinus hirsutissimus T. B. Salvato, A. C. Sanders 2005-5-17 901 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
  UC1129524  Lupinus longifolius A. Lewis Mar 1934 314 Riverside Tin Mine Canyon; Cleveland National Forest, Corona Quad. Comment
  JOTR30981  Lupinus sparsiflorus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1958 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  PASA1674  Lupinus sparsiflorus R. E. Merrill Riverside Murray Canyon Comment
  POM259684  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1940-3-24 15714 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  RSA414819  Lupinus sparsiflorus subsp. sparsiflorus H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  SEINET10837784  Lupinus succulentus var. succulentus August J. Breitung 1953-4-19 Breitung 14768 Riverside In grain field 10 mi e of beaumont. Flowers purple, upper lip with white Blotch in center. Keel ciliate near claws both above and below. Comment
  RSA5005  Lupinus truncatus Carl B. Wolf 1932-3-20 5 Riverside Richman Ranch, 2.5 miles no. of De Luz; S. W. Riverside County. 457 Comment
  RSA559418  Lupinus truncatus Steve D. Boyd 1992-4-15 6861 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UC2980  Luzula comosa var. laxa H. M. Hall July, 1901 Riverside San Jacinto Mountains. Fuller's Mills Mountains 2286 Comment
  RSA49183  Lycium andersonii Philip A. Munz 1949-4-13 13051 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UCR133025  Lycium andersonii Bern Schwenn 1998-5-4 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, nameless canyon between Carey's Castle and Red Butte Wash, below first fall and above fork 732 Comment
  UCR19491  Lycium brevipes Don Emery 1980-2-12 s.n. Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, near an old playa south of Dos Palmas Spring and north of Ferrum siding Comment
  UC495290  Lycium cooperi C. L. Hitchcock 1932-4-8 12217 Riverside 1 mi w Cottonwood Comment
  POM153406  Lythrum californicum P. A. Munz, I. M. Johnston 1928-9-12 11305 Riverside SE end of Elsinore Lake Comment
  RSA502190  Machaeranthera asteroides var. asteroides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3718 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  RSA377709  Maianthemum stellatum E. C. Jaeger 1923-6-22 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. 2104 Comment
  POM98395  Malacothamnus fasciculatus P. A. Munz 1925-5-20 9865 Riverside near Corona 427 Comment
  RSA0120237  Malacothamnus fasciculatus subsp. fasciculatus Duncan S. Bell 2016-4-14 9280 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  HSC5997  Malacothrix californica C. L. Hitchcock, C. V. Muhlick 1964-3-22 23264 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  CAS-BOT-BC345465  Malacothrix coulteri H. M. Hall 1902-4-21 2925 Riverside Vicinity of Riverside 487 Comment
  CAS-BOT-BC347698  Malacothrix glabrata Scott D. White 1996-4-14 3897 Riverside Perris Basin, W Riverside Co. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  CHSC23880  Malacothrix glabrata T. M. Lane 1975-3-24 7 Riverside 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. Mojave Desert. 533 Comment
  UCR104931  Malacothrix glabrata A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20642 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  OBI37525  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Murrieta area, Clinton Kieth Rd, just E of the Bear Crk dev golfcourse Comment
  RSA737094  Malvella leprosa Justin M. Wood 2008-11-5 219 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  UCR40136  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  RSA0107797  Mammillaria tetrancistra Duncan S. Bell, Amanda Turek 2009-3-30 174 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  RSA0126634  Mammillaria tetrancistra Duncan S. Bell 2016-3-4 8803 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  SEINET11924833  Mammillaria tetrancistra S. B. Parish, Parish, W. F. 1881-1 162 Riverside Whitewater Comment
  RSA229828  Marah macrocarpa Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 588 Riverside Cleveland Nat. Forest. 6.5 mi. S of Lake Elsinore along Forest Route 7SO4 Comment
  RSA5015  Marah macrocarpa C. B. Wolf 1932-3-20 15 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  RSA708060  Marah macrocarpa Scott D. White, Angelia Carey 2004-4-16 10153 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA550334  Marina parryi Walter Wisura, John Dolan, M. Wall 1992-3-25 4654 Riverside Lowdesert: 9.6 miles S of Wileys Well toward Hwy 78 Comment
  UC65013  Marina parryi E. E. Schellenger 1904-2-25 63 Riverside 15 mi e Salton; Canyon Springs Comment
Read comments
Mar 10 2011
  UCD106740  Marina parryi C. L. Hitchcock 1966-3-21 24327 Riverside Mule Mts., 20 mi. s.w. of Blythe. Comment
  UC1026579  Marsilea vestita subsp. vestita John C. Roos 1952-5-21 5704 Riverside 1 1/2 mi se Perris (San Jacinto river bottomland) 426 Comment
  RSA0013134  Matricaria discoidea LeRoy Gross, Caitlin Elam 2013-5-14 6062 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR156280  Matricaria matricarioides T. B. Salvato, Kent Beaman 2005-5-16 825 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
  SD161026  Melica frutescens Virginia Moran 2003-5-28 Riverside Perris-Aguanga Region, Wilson Valley Mitigation Bank, on Wilson Valley Road Comment
  UCR178316  Melica frutescens T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 624 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR2555  Melica imperfecta M. F. Barrus 1920-1-27 213 Riverside Box Springs Mtns, Riverside, Sycamore Canyon 396 Comment
  UCR20709  Melilotus indicus A. C. Sanders, Steve Boyd 1980-5-2 1425 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR194818  Melinis repens Scott D. White, Justin Wood 2007-4-16 11652 Riverside Peninsular Range, near Rainbow Valley, mountains west of I-15 Fwy and immediately north of San Diego County boundary 579 Comment
  POM10382  Mentzelia affinis Charlotte M. Wilder 1906-05 7 Riverside Salt Lake fill [Salt Lake RR Bridge over Santa Ana River, Riverside] Comment
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Sep 4 2011
  RSA4968  Mentzelia affinis Carl B. Wolf 1932-4-27 3030 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  UC140494  Mentzelia affinis C. F. Baker 1904-4-5 4141 Riverside Hemet Comment
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Jul 4 2010
  POM9390  Mentzelia affinis I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  CDA36649  Mentzelia albicaulis G. D. Barbe, T. C. Fuller 1973-2-27 1050 Riverside 0.2 mile east of Coachella Canal on Highway 195, Box Canyon Wash, northeast of Mecca. 0 Comment
  RSA28060  Mentzelia desertorum I. L. Wiggins 1941-3-27 9686 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA676101  Mentzelia involucrata Scott D. White 2001-4-3 8266 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA776821  Mentzelia involucrata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1094 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  UCR90160  Mentzelia involucrata R. W. Scora 1966-4-1 3035 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  RSA440445  Mentzelia jonesii Anstruther Davidson 1906-4-11 s.n. Riverside Palm Spring, riverside County Comment
  RSA0127361  Mentzelia longiloba var. longiloba Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 961 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UCR16334  Mentzelia micrantha I. G. Rauch 1968-5-14 s.n. Riverside Santa Ana Mtns, Tin Mine Canyon Comment
  SEINET3099877 Image available Mentzelia multiflora G. Rink 2011-3-9 10376 Riverside Palo Verde Solar Site, southwest of Blythe 90 Comment
  CLARK-A1045-189  Micropus californicus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  SD137858  Micropus californicus var. californicus Darin L. Banks, Steve Boyd 1995-5-9 338 Riverside Agua Tibia Mountains; northwest of Palomar Mountains, west of the Dripping Springs Alcove Area. 730 Comment
  RSA496365  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3039 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 549 Comment
  CHSC26267  Mimetanthe pilosa Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  RSA0018773  Mimetanthe pilosa Gary D. Wallace 2003-7-8 4035 Riverside Hidden Lake. Comment
  SEINET2445403  Mimulus aurantiacus Daphne K. Christopher, Hannah Stevens 2003-4-6 103 Riverside Uc Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  POM8579A  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2292 Riverside Butte due W. of Lakeview. 610 Comment
  RSA500119  Mimulus aurantiacus var. pubescens Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3692 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  SEINET3208883  Mimulus aurantiacus var. pubescens G. Goodwin 2012-6-14 3437 Riverside San Jacinto Mountains, 3 miles south of Banning along highway 243 910 Comment
  UCR262243  Mimulus aurantiacus var. pubescens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3723 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  HSC20777  Mimulus aurantiacus var. puniceus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23105 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA4390  Mimulus aurantiacus var. puniceus Dorothy R. Wolf 1932-3-20 36 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA82107  Mimulus aurantiacus var. puniceus F. W. Peirson 1925-5-20 6014 Riverside 1 mile northwest of Dripping Spring, east of Temecula. 457 Comment
  UC1537442  Mimulus aurantiacus var. puniceus Gordon H. True Jr. 1935-3-1 40 Riverside Gavilan Hills 457 Comment
  UCR20747  Mimulus aurantiacus var. puniceus A. C. Sanders, Steve Boyd 1980-5-2 1442 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA703474  Mimulus bigelovii var. bigelovii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1417 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  CSUSB885  Mimulus brevipes Charles Herrick 1974-5-11 Riverside 1/4 mile southeast of Calimesa turnoff of freeway 10. 716 Comment
  CLARK-A1045-335  Mimulus diffusus George K. Helmkamp 1978-5-2 Riverside Bautista Canyon a burned area beside Bautista Road; Hemet 15'Q Comment
  RSA757743  Mimulus fremontii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4351 Riverside 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
  UCR193126  Mimulus fremontii A. C. Sanders, Tim Thomas 2008-6-20 35535 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA395895  Mimulus fremontii var. fremontii Steve Boyd 1986-4-22 1751 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  CSUSB887  Mimulus guttatus Jean Texera 1970-5-17 20 Riverside 5 miles south of Murrieta on road to De Luz, 20 yards from along stream. 152 Comment
  LA26052  Mimulus guttatus Harlan Lewis; 1941-7-22 sn Riverside San Jacinto Mountains, Tahquitz Trail 1981 Comment
  SBBG47460  Mimulus guttatus N. C. Cooper 1944-5-6 1211 Riverside Whitewater Cyn, Whitewater River 457 Comment
  UCR232779  Mimulus moschatus William Schlegel, Andrew Troutte 2008-8-8 008 Riverside Peninsular Range; San Jacinto Mtns., c. 2 km NE of Black Mountain summit 2267 Comment
  UCSC000875  Mimulus moschatus Peter Kamb 1947-6-7 574 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UCR144750  Mimulus parishii Scott D. White, Brian Leatherman 2002-6-10 8780 Riverside San Bernardino Mtns., Whitewater River Canyon, c. 1 mi below trout farm 628 Comment
  JOTR31052  Mimulus pilosus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2035 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UCR274289  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-6 1413 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  HSC85301  Minuartia douglasii Steve Boyd 1986-5-7 1849 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  RSA543767  Minuartia douglasii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6027 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  SEINET221095  Mirabilis bigelovii var. retrorsa L. M. Shultz, R Thorne; Tilford 1980-4-16 4005 Riverside Bench W of Whitewater Canyon San Bernardino Mts 396 Comment
  UCR108407  Mirabilis californica D. L. Banks, V. W. Steinmann 1997-3-13 1461 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
  RSA0086775  Mirabilis laevis R. G. Swinney 1967-5-26 11734 Riverside Snow Creek. 335 Comment
  UCR207353  Mirabilis laevis O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 424 Comment
  UCR226069  Mirabilis laevis A. C. Sanders, T. B. Salvato 2011-4-1 38963 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  CAS-BOT-BC434675  Mirabilis laevis var. crassifolia L. R. Abrams 1941-4-22 13875 Riverside Palomar School near Perris Comment
  SDSU12952  Mirabilis laevis var. crassifolia Jutta Buschbom 41 Riverside Comment
  CAS-BOT-BC434833  Mirabilis laevis var. retrorsa Ira L. Wiggins 1941-3-27 9696 Riverside Slopes 4 miles north of Whitewater. Comment
  JEPS99941  Mirabilis laevis var. retrorsa Rimo Bacigalupi and P. C. Hutchison, L. Heckard 1962-3-23 8362 Riverside Lower end of Morongo Wash, 1.9 miles SW of the San Bernardino County line 609 Comment
  RSA652390  Mirabilis laevis var. retrorsa N. R. Zabriskie, Walter Zabriskie 1971-2-15 s.n. Riverside South facing slope, North Canyon, Andreas Canyon drainage, E slope San Jacinto Mnts, Riverside County. 427 Comment
  SEINET12806537  Mirabilis laevis var. villosa Chris Dietrich, M. Merello, H. Schmidt 1994-1 19 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241) BLM land, Desert Access Guide map #17 358 Comment
  UC1595570  Mirabilis tenuiloba W. Wisura, A. King, and L. Newcomb 1992-4-10 4663 Riverside Mission Creek Ranch w of Hwy 62 below Morongo Valley Comment
  CLARK-A1528-4225  Mohavea confertiflora John C. Roos 1937-4-28 1287 Riverside Desert Center Comment
  CLARK-A1528-4227  Mohavea confertiflora John C. Roos 1947-2-14 3252 Riverside Eagle Mountains Comment
  UCR166546  Mohavea confertiflora Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10887 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR263510  Mohavea confertiflora Aaron C. Sedgwick, Brett Griffin 2012-3-28 031 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  SD136813  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross 1992-6-10 7634 Riverside San Mateo Canyon Wilderness Area; San Mateo Canyon Poterro Escondido. 671 Comment
  SD137725  Monardella breweri subsp. lanceolata Darin L. Banks 1995-6-15 704 Riverside Agua Tibia Mountains; Devils Hole area, northnortheast of the Crosley Homestead. 730 Comment
  UC1499881  Monardella nana Elizabeth McClintock 1941-5-22 Riverside Anza Monument, 5 miles south of Anza on road to Coyote Canyon Comment
  UC1499884  Monardella nana Elizabeth McClintock 1941-5-31 44 Riverside 5 miles from turn off to Anza Tablet. After crossing a narrow valley, passing a ranch house, crossing a sluggish stream and going through a second gate Comment
  UCR13959  Monardella nana subsp. arida C. M. Flanagan 1973-5-12 00405 Riverside San Jacinto Mtns, NE slopes of San Jacinto Mtns, near upper stretches of Deep Canyon 1098 Comment
  POM21133  Monardella nana subsp. tenuiflora Fordyce Grinnell Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  RSA750271  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-22 70 Riverside Stne Creek on the Banning-Idyllwild road. Comment
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Mar 1 2014
  RSA750274  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-22 74 Riverside 1.5 miles from snow gate on road to Black Mt. Comment
  UC1499959  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 101 Riverside 2 mi beyond the snow gate Black Mt. Comment
  SEINET10895197  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 39 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  UC1428709  Monoptilon bellioides J. L. Strother 1973-3-31 1157 Riverside above Chiriaco Summit; Lost Palms Canyon Comment
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Mar 26 2011
  UCR163925  Monoptilon bellioides A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29144 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR60767  Monoptilon bellioides Steve Boyd, O. Mistretta 1986-3-13 1461 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UC852064  Montia fontana P. A. Munz 1922-5-21 5521 Riverside San Jacinto Mountains, Hemet Valley Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  RSA777314  Muhlenbergia asperifolia Michael Wall 2010-9-9 592 Riverside Bautista Canyon east of Hemet; ca. 8 miles southeast of junction with Fairview Avenue, shaded narrow part of the canyon. 760 Comment
  CHSC60212  Muhlenbergia microsperma J. Lund 1980-4-3 Riverside One mile west of Corn Spring on the side of an unimproved road in a wash. Comment
  RSA0099597  Muhlenbergia microsperma Duncan S. Bell, Evan Meyer 2014-10-29 7700 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  SEINET191996  Muhlenbergia microsperma C. L. Hitchcock 1940-4-2 5915 Riverside Cottonwood Spring Wash Joshua Tree National Monument. Comment
  UC819052  Muhlenbergia microsperma C. L. Hitchcock 1940-4-2 5915 Riverside Cottonwood Spring wash Joshua Tree National Monument Comment
  UCR198195  Muhlenbergia microsperma Michael Honer, L. Hulse 2004-4-3 1921 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCR137039  Muilla maritima A. C. Sanders 2004-5-5 27756 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
  UCR216955  Myosurus minimus Ana Hernandez, Kim Sparks 2010-3-17 014 Riverside Perris-Aguanga Basin, San Jacinto Valley, Salt Creek, 125m east of Warren Rd. 460 Comment
  UCR281106  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 26 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  SD224778  Myriopteris newberryi Scott D. White 1996-3-16 3833 Riverside Lakeview Mts. N of Winchester, at Maze Stone Picnic Area. 579 Comment
  UC1971485  Myriopteris newberryi Scott D. White 1999-5-28 7435 Riverside Ca. 3 air miles SE of jtn. Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. Comment
  SD9385  Myriopteris parryi W. G. Wright May 1880 Riverside San Jacinto Mountain Comment
  RSA614810  Najas marina L. C. Wheeler 1953-3-30 7033 Riverside Alligator Slough on the Colorado River. Comment
  RSA0043141  Nama demissa Duncan S. Bell 2009-4-19 300 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  SEINET3165869  Nama demissa G. B. Grant 1906-4-20 6777 Riverside Palm Springs Comment
  UCR60559  Nama demissa R. F. Thorne, C. W. Tilforth 1980-5-28 54249 Riverside San Bernardino Mtns., Branch canyon west of Whitewater Canyon, c. 3.2 mi. north of Whitewater Post Office and Hwy 10. 612 Comment
  UCSB18976  Nama demissa Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.2 miles W of Desert Center 304 Comment
  RSA0040072  Nama hispida var. spathulata Jim Andre 2014-1-27 26661 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA575976  Narcissus tazetta Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills region, upper Arroyo del Toro along old road grad west of Bull Canyon Road. 610 Comment
  RSA628886  Nassella cernua A. C. Sanders 1994-5-29 14558 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr., (116 deg 48'W, 33 deg 57'N) 750 Comment
  RSA785182  Navarretia fossalis D. E. Bramlet 1993-5-8 2347 Riverside San Jacinto Valley, 7.2 km west of Hemet, 183 m north of Stowe Rd. and 610 m south of Setson Ave.,120 m east of California Ave. and 152 m west of the MWD canal. 456 Comment
  UCR70679  Navarretia fossalis D. E. Bramlet 1991-6-1 2181 Riverside Perris-Aguanga Basin region, San Jacinto River, open swale area, about 2 km west of Lakeview and 30 m east of the river, about 170 m north of MWD easement road 473 Comment
  UCSB60198  Navarretia fossalis Bramlet, D. 1992-5-15 Riverside 183 m W. of Davis Road; 213 m N. of Marvin Road 433 Comment
  SBBG1679  Nemacaulis denudata var. gracilis H. and M. Dearing 1942-2-24 4802 Riverside Cathedral City Comment
  RSA668415  Nemacladus glanduliferus var. glanduliferus S. Granger 1979-4-12 s.n. Riverside Pinkham Wash-Cottonwood Mountains foothills. South of Colorado River Aqueduct north of Cactus City. 488 Comment
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May 12 2016
  UCR20556  Nemacladus longiflorus var. longiflorus W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR280949  Nemacladus longiflorus var. longiflorus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 68 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  UCR77701  Nemacladus pinnatifidus Steve Boyd, Orlando Mistretta 1991-5-22 6310 A Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  RSA85407  Nemacladus ramosissimus J. C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  UCR102872  Nemacladus ramosissimus A. C. Sanders 1997-3-26 20117 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  UCR21949  Nemacladus ramosissimus Steve Boyd 1980-5-3 167 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR281783  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-5 417- 106 Riverside Temescal Valley, Foothills of the Gavilan Range, ridge +- 0.5 miles NNW of Lake St. and Walker Canyon Rd. 543 Comment
  POM10259A  Nemacladus sigmoideus Charlotte M. Wilder 1905-04 575 Riverside Wilder's Canyon, Jurupa Mtns. Comment
  RSA79176  Nemacladus sigmoideus P. A. Munz 1952-5-2 16239 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  RSA716378  Nemophila menziesii Scott D. White 2006-4-27 11297 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC67145  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  UCR193524  Nemophila menziesii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35569 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1555 Comment
  UCSB16228  Nemophila menziesii Flath, Carol 1963-5-4 Riverside In San Jacinto Mountains; 4 miles south og Banning on Banning to Idyllwild Road 1158 Comment
  UC63800  Nemophila menziesii var. integrifolia H. M. Hall June, 1901 2044 Riverside wooded slopes and benches of the s side San Jacinto Mts. San Jacinto Mountains, Shingle Val. (Shingle Val.) 1371 Comment
  UCR50430  Nemophila pedunculata Bill Wagner 1988-3-2 s.n. Riverside Peninsular Range, Glenoaks Road, c. 2.5 mi south of Lake Skinner and c. 8 mi NE of Temecula. 564 Comment
  SBBG132547  Nicotiana attenuata S. D. White, J. M. Wood 2008-6-16 12140 Riverside meadow at Quinn Flat 1378 Comment
  UCR41845  Nicotiana clevelandii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6088 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR21966  Nicotiana glauca Steve Boyd 1980-5-21 295 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  JEPS12227  Nicotiana obtusifolia W. L. Jepson 1901-5-22 1409 Riverside near Mt. San Jacinto (Palm Canyon); Palm Canyon Comment
  UC884674  Nicotiana obtusifolia C. L. Hitchcock 1940-3-31 5889 Riverside between Cottonwood Spring Pinto Basin Comment
  VVC694  Nicotiana obtusifolia P. J. MacKay, T. Thomas 1997-2-8 101 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  UC444985  Nicotiana quadrivalvis Lottie M. Wilder 1903-4-23 93 Riverside Wilder's Comment
  UCR167677  Nicotiana quadrivalvis T. B. Salvato, Melissa Clemons 2005-6-23 1292 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  CAS-BOT-BC131850  Nolina bigelovii A. C. Sanders; G. Helmkamp; O. Clarke; B. Pitzer; et al. 1996-11-9 19645 Riverside Colorado Desert: Orocopia Mtns., near Bob's Cabin, 5 mi. (air) S of Hayfield Pump Sta., E of Maniobra V., central sec. of (N of peak 2552 to BMk 1899) arroyo 610 Comment
  JOTR31981  Nolina bigelovii La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2217 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  JEPS62091  Nolina parryi W. L. Jepson 1901-5-25 1433 Riverside road from Van Deventer's to Coyote Creek Comment
  RSA643656  Nolina parryi James C. Dice 1985-6-13 617 Riverside southeast portion of Thomas Mountain, ca. 4 km south of Kenworthy Station and community of Thomas Mtn. 1525 Comment
  SD67899  Nolina parryi Reid Moran 1968-8-3 15374 Riverside W slope of Santa Rosa Mtn. 1750 Comment
  UC3806  Nolina parryi H. M. Hall 1901-6-18 Riverside near Van Deventer's (e base of mountains near borders of Colorado Desert); San Jacinto Mountains Comment
  CAS-BOT-BC71166  Notholaena californica Eliz. Parsons Hawver 1917-4-1 s.n. Riverside Palm Springs Comment
  SBBG266  Notholaena californica H. and M. Dearing 1940-1-3 4787 Riverside San Andreas Cyn Comment
  OBI53608  Nuttallanthus texanus Steve Myers 1988-1 s.n. Riverside Temescal Cy, ca 1/4 mi W of intersection of Hwy I-15 & Indian Truck Trl 381 Comment
  POM12792  Oenothera californica subsp. californica P. A. Munz 1922-6-23 5782 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  UC1329914  Oenothera californica subsp. californica James E. Cole 1941-5-29 820 Riverside Stubby Spring Rd Joshua Tree National Monument 1402 Comment
  UC909740  Oenothera deltoides subsp. deltoides Norman C. Cooper 1949-3-15 3026 Riverside sand dunes Palm Springs 30 Comment
  UCSB24683  Olneya tesota McMinn, Howard 1937-3-6 Riverside Blythe CA, to Needles CA Comment
  RSA0035854  Oncosiphon piluliferum R. E. Riefner Jr. 2012-3-31 12 -63 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  SD232196  Oncosiphon piluliferum Steve Boyd 2003-4-30 10507 Riverside San Bernardino Basin region: Mira Loma, along Highway 60 at onramp from Etiwanda Ave. to Hwy 60 westbound. Comment
  UCR225721  Oncosiphon piluliferum A. C. Sanders 2011-3-30 38906 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR241846  Oncosiphon piluliferum A. C. Sanders 2013-4-17 40806 Riverside Peninsular Range; Eastern Foot of Gavilan Hills, Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km NE of Wasson Canyon Rd. intersection 499 Comment
  RSA0031146  Opuntia basilaris Marc Baker, Michelle Cloud-Hughes, Tim Thomas, Alice Karl 2013-9-26 17803 Riverside Chuckwalla Mountains, north side of Corn Springs Wash, 1.1km ESE of Corn Spring, 12.2km SE of Desert Center, 70 km west of Blythe. 478 Comment
  SEINET3071813  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17499 Riverside Queen Mountain quadrangle, zone 11 0585460mE 3765223mN NAD83, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  UCR26540  Opuntia littoralis A. C. Sanders, S. Hagopian 1981-5-20 2145 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR68161  Opuntia parryi Marc A. Baker 1987-4-1 7025 B Riverside San Bernardino / San Jacinto Mtns., eastern edge of Banning, just north of Hwy I-10 (Fwy) 671 Comment
  RSA0114703  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17370 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5 km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  UC887970  Orobanche cooperi C. L. Hitchcock 1940-4-4 5940 Riverside Pinto Basin Comment
  UCR60781  Orobanche cooperi Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1326 Riverside Western Colorado Desert, Mecca Hills: Painted Canyon north of Hwy 195 Comment
  SDSU4804  Osmadenia tenella H. Wedberg 1994-5-23 936 Riverside 4.8 miles from Hwy. 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  RSA679171  Osmorhiza brachypoda Fred M. Roberts 2003-6-25 5938 Riverside Santiago Peak, old road near Orange County line, c.a. 150m N jct. with Main Divide Truck Trail, 0.5km north summit. 1633 Comment
  RSA522708  Oxalis albicans subsp. californica Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3894 -B 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
  UCR176682  Oxalis corniculata G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, near greenhouses 305 Comment
  UCR113534  Oxalis rubra Mitch Provance 2000-4-14 1899 Riverside UCR Family Housing, 3360 Idaho St., Riverside c. 320 Comment
  CAS-BOT-BC7024  Oxytheca emarginata Harvey Monroe Hall 1901-7-1 2331 Riverside San Jacinto Mountains, near Tauquitz 2194 Comment
  CAS-BOT-BC327942  Palafoxia arida D. B. Dunn; H. Brown 1947-1-12 2840 Riverside Pushawalla Canyon, Indio Hills Comment
  RSA707591  Palafoxia arida Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 02 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  RSA779596  Palafoxia arida Duncan S. Bell 2009-3-7 28 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  SFV9414  Palafoxia arida M. L. Vincent, R. H. Swade 1963-10-19 453 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  UCD77897  Palafoxia arida Robert E. Preston 1997-11-11 1061 Riverside edge of Palo Verde Mesa 99 Comment
  SEINET10799066  Palafoxia arida David B. Dunn 1946-3-15 Dunn 2038 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  RSA776906  Palafoxia arida var. arida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 962 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  RSA0045506  Palafoxia linearis William Blanchard 1932-4-16 s.n. Riverside Palm Springs Station. TR6. Comment
  POM78935  Panicum capillare I. M. Johnston 1925-7-1 s.n. Riverside Riverside Comment
  POM172729  Panicum urvilleanum La Niece 1930-4-1 s.n. Riverside Sandy wash of Whitewater; 15 miles NW of Indio Comment
  CLARK-A1528-689  Papaver californicum Grace Sprague 1968-5-3 Riverside Twin Pines Comment
  SEINET3094912 Image available Papaver californicum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20631 Riverside San Jacinto Mountains; N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UC1595600  Papaver californicum Steve Boyd, Tim Ross 1990-5-11 4629 Riverside e of Dripping Springs Campground (in Cleveland National Forest, base of Agua Tibia Mountain, Vail Lake Area, s of Highway 79); Cleveland National Forest, Agua Tibia Mountain, Vail Lake Ar 548 Comment
  UCR280615  Papaver heterophyllum Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 03 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  RSA709794  Parietaria hespera var. californica A. C. Sanders 2004-5-5 27769 Riverside Gavilan Hills: Route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  UCR167817  Parietaria hespera var. californica A. C. Sanders 2005-4-21 29574 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  RSA704040  Parosela spinosa Anonymous s.n. Riverside Colorado Desert. Comment
  RSA471719  Pectis papposa J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center & Blythe. 106 Comment
  JOTR34481  Pectocarya heterocarpa Andre, Jim 2012-4-16 20962 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  RSA610586  Pectocarya linearis R. S. Woglum 1938-5-1 1605 A Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  SD181661  Pectocarya linearis Scott D. White 2000-5-1 7743 Riverside western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  SEINET12801743  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-1 25838 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns. Hill SW of the Jensen Quarry, NW of Sunnyslope; Alt: 366-421m/1200-1380ft. 307 Comment
  UCR174125  Pectocarya linearis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32632 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR241691  Pectocarya linearis T. B. Salvato 2013-3-22 7401 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  RSA0120623  Pectocarya platycarpa Duncan S. Bell, Thomas Stoughton 2016-3-15 8934 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  RSA0123295  Pectocarya platycarpa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8981 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
  UCR214882  Pectocarya platycarpa A. C. Sanders 2010-3-15 37396 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR89719  Pectocarya platycarpa J. M. Stewart 1991-4-7 784 Riverside Sonoran (Colorado) Desert, Pinto Wash south of Joshua Tree National Monument, Eagle Mountains Comment
  SEINET10456238  Pectocarya platycarpa David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3723 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  SFV6308  Pectocarya recurvata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 47 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  JEPS68236  Pectocarya setosa W. L. Jepson 1901-5-27 1465 Riverside Thomas Valley San Jacinto Mountians, Thomas Valley Comment
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Feb 16 2013
  CAS-BOT-BC71527  Pellaea mucronata var. californica Louis C. Wheeler 1931-10-4 174 Riverside Strawberry-Tahquitz Valley Trail, San Jacinto Mts. 2042 Comment
  POM11863  Pellaea mucronata var. mucronata P. A. Munz, I. M. Johnston 1922-5-19 5408 Riverside San Jacinto Canyon: canyon bed, near mouth of Strawberry Creek. 1067 Comment
  UCR245888  Pennisetum setaceum R. F. Thorne 1995-3-29 63028 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  RSA560408  Penstemon centranthifolius Steve D. Boyd 1992-4-15 6882 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA650291  Penstemon centranthifolius Toppenberg 1961-5-12 s.n. Riverside Hwy. 74. Beaumont to Idyllwild. Comment
  SD132985  Penstemon centranthifolius Scott White 1991-5-10 91 133 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  LA85954  Penstemon clevelandii O. H. Kappler; 1948-4-18 1656 Riverside San Jacinto Mountains, Hiway 74 1219 Comment
  UCD124053  Penstemon clevelandii Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains: ca. 0.05 mile south of Santa Rosa Mt. Road from Hwy 74. 1402 Comment
  UC1951114  Penstemon heterophyllus Scott D. White, Justin Wood 2009-5-21 12849 Riverside SAN JACINTO MOUNTAINS: McMullen Flat area, 0.35 mile N on Valley Hi Dr, from intersection w/ Twin Pines Rd. USGS Cabazon 7.5' Quad. Comment
  UCR35261  Penstemon heterophyllus L. B. Ziegler 1968-6-3 304 Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon 762 Comment
  SD63335  Penstemon labrosus Walter Bertsch 1957-6-29 957 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2660 Comment
  UCR24922  Penstemon labrosus A. C. Sanders 1980-7-18 1654 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SFV20149  Penstemon rostriflorus J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .3 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  UCR15978  Penstemon spectabilis K. S. Gill 1965-3-21 49 Riverside Santa Ana Mtns, Tin Mine Canyon at the foot of Skyline Drive, south of Corona 610 Comment
  NY661162  Penstemon spectabilis var. spectabilis G. T. Hastings 1941-4-26 s.n. Riverside Near Sage-south of Hemet Comment
  RSA0070725  Pentagramma triangularis Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 615 Riverside Cleveland National Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  LA204571  Peritoma arborea Norman C. Cooper; 1944-4-23 1117 Riverside Cabazon 457 Comment
  POM98818  Perityle emoryi P. A. Munz 1926-1-31 9948 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA471850  Perityle emoryi N. C. Cooper 1949-4-8 3288 Riverside Shaver's Summit east of Indio. 610 Comment
  SEINET201068  Perityle emoryi H. E. Parks Riverside Mouth of Santa Rosa Canyon near Indio. Comment
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Mar 20 2014
  UC170155  Perityle emoryi E. E. Schellenger 1894-12-3 104 Riverside Churckawalla Wash, Colorado Desert Comment
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Sep 15 2016
  UCR103584  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR148468  Perityle emoryi 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
  UCR196364  Perityle emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1360 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  JOTR29383  Petalonyx linearis La Doux, Tasha, Mike Bell 2006-5-10 1460 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UCD117313  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta. 15 Comment
  RSA381551  Petunia A. C. Sanders 1987-4-7 7046 Riverside Riverside, vacant lot on the N side of Spruce St. between Rustin and canyon Crest Streets. 305 Comment
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Apr 5 2016
  RSA471973  Peucephyllum schottii Christopher Davidson, Robert Gustafson 1977-4-7 5567 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  SEINET3005073  Peucephyllum schottii G. Rink 2011-5-1 10511 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UC604865  Peucephyllum schottii Roxana S. Ferris 1938-5-16 9562 Riverside 2 mi up Painted Canyon; Mecca Hills Comment
  RSA554209  Phacelia ambigua Theo Glenn 1991-5-15 91 -43 Riverside Sonoran (Colorado) Desert Little Maria Mountains, NW of Blythe. 351 Comment
  RSA79154  Phacelia ambigua P. A. Munz, Percy C. Everett 1952-5-2 16250 Riverside 2 miles west of Desert Hot Springs. 183 Comment
  RSA781022  Phacelia ambigua var. minutiflora D. Silverman 2010-3-30 8062 Riverside East flank of southern McCoy Mountains, 1.8 km W of Black Creek Road, 7 km E of McCoy Peak, and 4.4 km north of the I-10 183 Comment
  UCD120285  Phacelia campanularia William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  POM13320  Phacelia campanularia subsp. vasiformis E. C. Jaeger 1921-4-18 1084 Riverside Cottonwood Springs, colorado Desert. Comment
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Oct 9 2010
  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
  RSA427681B  Phacelia cicutaria var. hispida W. P. Burger 1979-4-28 66 Riverside Along Carancho Road, just past where stream crosses road, Hidden Valley. 366 Comment
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Jan 11 2016
  UCR16832  Phacelia crenulata W. C. Anderson 1968-4-22 680422- 9 Riverside Sonoran (Colorado) Desert, 2 mi. south of Cottonwood Guard Station, Joshua Tree National Monument [now Park] Comment
  UCR274807  Phacelia crenulata David Fraker, Aaron C. Sedgwick 2012-3-22 027 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  UCSC001204  Phacelia crenulata Peter Kamb 1948-4-11 863 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Coachella Valley, Larrea plain 305 Comment
  RSA703810  Phacelia crenulata var. ambigua LeRoy Gross 2005-3-3 1598 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC310588  Phacelia crenulata var. ambigua Philip A. Munz 1926-1-31 9958 Riverside Dos Palmos Spring Colorado Desert Comment
  UCR103581  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-1-17 2541 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  RSA699150  Phacelia distans J. R. Bruff 1928-4-2 117 Riverside Canyon wash west of Morango Comment
  RSA741605  Phacelia distans Scott D. White, Justin M. Wood 2008-6-16 12142 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  RSA800054  Phacelia distans Jim Andre 2012-3-19 21318 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  RSA80989  Phacelia distans G. R. Campbell 1952-4-5 18375 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  SD38344  Phacelia distans Edith A. Purer 1935-4-21 6486 Riverside Western edge of Colorado Desert near Palm Springs. Comment
  UCR276659  Phacelia distans Jim Andre 2015-3-6 33572 Riverside Coachella Valley, far northwest corner of valley, 0.5 mile west of Hwy 62 at mouth of Dry Morongo Wash, 0.3 mile north of (dirt) Kolbe Road 561 Comment
  UCSB5448  Phacelia distans Haller, John 1957-3-23 Riverside Morongo Wash, ca. 4.5 road miles N of U.S. 99 and 3 air miles S of Riverside-San Bernardino Co. line 609 Comment
  SBBG41383  Phacelia imbricata J. T. Howell 1927-8-2 Riverside Idyllwild, Strawberry Valley Comment
  SEINET10638466  Phacelia keckii John Thomas Howell 1931-5-30 Howell 6611 Riverside Santiago Peak, Santa Ana Mts. at 4000 feet. 1220 Comment
  UCR72239  Phacelia neglecta Theo Glenn 1992-4-1 92- 01 Riverside Sonoran (Colorado) Desert, between Eagle Mountain Mine and Eagle Mountain Pumping Station, east of Eagle Mtns. Comment
  PASA1332  Phacelia parryi 1929-3-3 Riverside Near Whitewater Comment
  JOTR31859  Phacelia pedicellata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2116 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  POM74226  Phacelia pedicellata Marcus E. Jones 1906-4-26 s.n. Riverside Indio. Comment
  UCR16672  Phalaris aquatica Frederick Neill 1977-5-28 52804 Riverside Santa Ana Mtns., 4.8 mi. up Skyline Dr. from Corona, near crest of mountains 854 Comment
  RSA443395  Phalaris aquatica J. C. Roos 1962-6-30 s.n. Riverside Head of Tin Mine Canyon Comment
  IRVC9215  Phalaris canariensis B. T. Gittins 1966-5-15 1323 Riverside 3 mi. SE Murietta near border of Rancho California, canyon near ranch gate. Gavilan Hills Comment
  SEINET954733  Phalaris canariensis Mitch Provance 2005-1 6569 Riverside Warm Springs Valley; Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 396 Comment
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Aug 21 2014
  CAS-BOT-BC265896  Phalaris caroliniana Robert F. Thorne; E. Lathrop; et al 1969-5-19 37983 Riverside Rancho California, Mesa de Colrado, Santa Rosa Plateau 624 Comment
  UCR126386  Phalaris lemmonii A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 696 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  CDA2322  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley. West edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. Comment
  UCR69908  Phoenix canariensis A. C. Sanders 1991-7-19 11152 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
  POM128392  Pholistoma auritum Thomas Craig 1927-4-23 217 Riverside Glen Ivy. Comment
  CAS-BOT-BC134985  Phoradendron bolleanum Del Wiens 1953-12-5 862 Riverside Vicinity of Hidden Valley, Joshua Tree Natl. Mon. San Bernardino or Riverside Co. Comment
  CAS-BOT-BC134987  Phoradendron bolleanum H. E. Parks 1946-2-1 24406 Riverside Santa Rosa canyon, W side of Colorado Desert Comment
  UCSB18191  Phoradendron bolleanum Copeland, Jerry 1964-5-10 Riverside 30 feet northwest of Pinyon Flats Campground, 9 miles south of intersection of State Highways 71 and 74 Comment
  RSA132730  Phoradendron californicum Del Wiens 1953-12-5 868 Riverside Near junction of road from south end of Joshua Tree Nat. Mon. and U.S. 60 and 70. 152 Comment
  UCSB8022  Phoradendron californicum Keefe, Joseph 1967-2-26 Riverside 3.1 miles north of Imperial county line, south of Indio Comment
  RSA97437  Phoradendron californicum F. W. Peirson 1924-12-30 5411 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  UCR135809  Phoradendron densum A. C. Sanders, Guy Bruyea 2004-4-2 27429 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  SBBG113411  Phoradendron leucarpum subsp. tomentosum D. Wilken with E. Painter 2000-11-4 15868 Riverside St Hwy 71, ca. 4 mi E of Anza, N of Burnt Valley, SE base of Thomas Mtn 1400 Comment
  RSA645539  Phoradendron libocedri George K. Helmkamp 1995-11-16 s.n. Riverside San Jacinto Mountains. along Hwy 243 at Lake Fulmor. [UTM 10km cell: NH-2E, 4N. Black Mtn.] 1616 Comment
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May 4 2018
  RSA489836  Phoradendron pauciflorum D. Charlton 1988-5-28 2134 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  UCR122584  Phoradendron villosum George K. Helmkamp 1995-11-16 119 Riverside San Jacinto Mtns, Along Calif. Hwy 243, 0.25-0.50 mi south of Bay Tree Spring (about 0.9 mi north of Lake Fulmor) 1616 Comment
  POM126318  Physalis crassifolia Martha Hilend 1927-4-2 s.n. Riverside Painted Canyon, Colorado Desert. Comment
  UC494680  Physalis crassifolia Philip A. Munz 1932-3-15 12004 Riverside Magnesia Spring Canyon; Coachella Valley 91 Comment
  CAS-BOT-BC60808  Physaria tenella Edmund C. Jaeger 1922-5-7 s.n. Riverside Chuckawalla Bench. Comment
  UCR260294  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-9 41363 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR44841  Phytolacca americana Don Domenigoni 1986-4-21 s.n. Riverside The Young property , Hemet Comment
  CAS-BOT-BC76951  Pilularia americana Robert F. Thorne 1973-5-23 43854 Riverside Santa Rosa Plateau - N side of Mesa de Colorado. 609 Comment
  RSA769823  Pinus coulteri E. W. Lathrop 1968-5-22 6933 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  CAS-BOT-BC78592  Pinus flexilis Carl B. Wolf 1932-8-5 3971 Riverside San Jacinto Mts. Slopes of San Jacinto Peak, along trail above [round valley] Round Valley 2926 Comment
  JEPS47909  Pinus flexilis W. L. Jepson and H. M. Hall 1901-5-25 1452 Riverside very top Santa Rosa Peak Comment
  MACF019467  Pinus lambertiana Trudy R. Ericson 1974-11-9 269 Riverside Approx. 1 mile north of Black Mountain Road and intersection with St. 243 from Banning to Idyllwild, Sane Bernardino National Forest 17372 Comment
  UC1134062  Pinus monophylla R. St. John 1931-1-15 173 Riverside Vandevender Flat San Jacinto Quadrangle Comment
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Jul 5 2010
  CAS-BOT-BC79089  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside near Santa Rosa, Santa Rosa Mountains 1676 Comment
  CAS-BOT-BC79092  Pinus quadrifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 286 Riverside beside Hwy 74 east of Anza turnoff; San Jacinto Mts. 1371 Comment
  NY62124  Pinus quadrifolia V. Duran 1933-7-2 3495 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  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
  UCR151370  Plagiobothrys acanthocarpus Steve Boyd 2001-4-12 10409 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  RSA601099  Plagiobothrys arizonicus A. C. Sanders, J. Goetzen 1996-5-1 18139 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  UCR154834  Plagiobothrys canescens A. C. Sanders, Kelly Volansky 2005-3-17 29236 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR121810  Plagiobothrys collinus A. C. Sanders, Carolyn Washburn 2001-4-17 24058 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  RSA661316  Plagiobothrys collinus var. californicus Mitch Provance 1998-4-10 410 Riverside E facing slopes of hills at W extreme of Cypress Ave. 305 Comment
  SEINET3084168 Image available Plagiobothrys collinus var. californicus Richard Montijo 1990-4-27 Riverside Rancho California area: E of Santa Rosa Plateau, Green Meadow Road off of de Portoloa Road. T7S, R1W, sec. 30. 610 Comment
  UCR228915  Plagiobothrys collinus var. californicus A. C. Sanders 2011-4-7 39027 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  RSA0057864  Plagiobothrys collinus var. fulvescens A. C. Sanders 2011-4-6 38996 Riverside Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 311 Comment
  SD244103  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy . Chumley 2013-4-2 40747 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 377 Comment
  UCR182310  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-4-5 6609 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  POM13871  Plagiobothrys leptocladus P. A. Munz 1922-4-29 5092 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  SD224885  Plagiobothrys leptocladus Scott D. White, Marty Jacobsmeyer 1996-4-20 3967 Riverside Perris Basin. Perris Area: Near Perris Airport; ca. 100 m S of Case Rd. and 100 m W of San Jacinto River Channel. USGS Perris 7.5' quad. Open grassland. 430 Comment
  SBBG92278  Plagiobothrys nothofulvus J. Hirshberg 1989-4-19 Riverside Santa Rosa Plateau, S of town of Murrieta, W of Mesa de Burro 609 Comment
  RSA741116  Plagiobothrys tenellus Scott D. White, Justin M. Wood 2008-6-18 12242 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  VVC2184  Plagiobothrys undulatus Tim Thomas, Bill Baker 1983-6-30 579 C Riverside Santa Rosa Plateau, Burro Mesa 630 Comment
  CAS-BOT-BC224912  Plantago erecta A. C. Sanders; T. B. Salvato 2011-3-28 38821 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  CLARK-A1528-3431  Plantago erecta John C. Roos 1937-2-21 1311 Riverside Riverside Comment
  RSA192036  Plantago erecta E. W. Lathrop 1960-6-7 4899 Riverside 14 miles west of Murrieta. Comment
  RSA615041  Plantago erecta A. C. Sanders 1997-3-1 19740 Riverside Riverside, box Springs Mtns, S end of the range along Gernert road (dirt), in valley draining to Box Spring Canyon 457 Comment
  UCR113136  Plantago erecta A. C. Sanders 1998-3-11 21674 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  SDSU13609  Plantago major W. Miller, C. Mosse 1972-7-21 Riverside Comment
  UCR4593  Plantago major R. G. Barber 1962-5-11 s.n. Riverside City of Riverside, near drainage ditch on UCR grounds at 4808 Chicago Avenue. Comment
  JEPS6883  Plantago ovata Aven Nelson, Ruth A. Nelson 1939-3-22 3213 Riverside Palm Springs Area 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
  CHSC108903  Plantago patagonica Duncan S. Bell; Joy England 2010-5-17 1008 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. In an open sunny flat. 1045 Comment
  UC1931135  Plantago patagonica Scott D. White, Justin Wood 2008-6-17 12193 Riverside San Jacinto Mountains: Morris Ranch road - open area west of Goff Flat (Palm View Peak) Comment
  UCR239596  Plantago virginica Lynn Sweet 2011-5-10 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs 131 Comment
  UC489274  Platanthera leucostachys C. V. Meyer 1928-7-24 517 Riverside Idyllwild Falls San Jacinto Mts., Idyllwild Falls 1920 Comment
  UCR113767  Platanus Mitch Provance, A. C. Sanders 2000-7-4 2105 A Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
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May 19 2011
  UCR208927  Platanus racemosa B. D. Stark 1933-1 5555 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Andreas Canyon 457 Comment
  UC167978  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 12 Riverside Wilders near Riverside; near Riverside Comment
  UC2029972  Platystemon californicus S. D. White, Bill La Haye 2000-5-27 7946 Riverside SAN JACINTO MOUNTAINS: Baldy Mtn. area. Comment
  UCR102852  Plectritis ciliosa subsp. insignis A. C. Sanders 1997-4-3 20153 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  RSA0030740  Pleuraphis rigida Bonnie C. Templeton 1930-4-9 1009 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  UC32843  Pleurocoronis pluriseta S. B. Parish Apr 4 1896-Apr 13 1896 4122 Riverside Palm Springs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt. 152 Comment
  UC485541  Pleurocoronis pluriseta F. M. Reed 1917-5-19 3866 Riverside Palm Canyon Colorado Desert Comment
  UC86377  Pleurocoronis pluriseta S. B. and W. F. Parish Apr 1882 728 Riverside Agua Caliente Comment
  POM10244  Pluchea odorata E. A. Zumbro 1903-05 s.n. Riverside Riverside Comment
  RSA342539  Pluchea sericea R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54092 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  SD5511  Pluchea sericea Fidella G. Woodcock 1928-4-27 Riverside Palm Springs Comment
  UCD90508  Poa bigelovii F. M. Reed 1920-3-24 4187 Riverside Palm Springs District. Colorado Desert. Murray Canyon. Comment
  CAS-BOT-BC254571  Poa fendleriana subsp. longiligula H. M. H. 1901-5-17 1913 Riverside Santa Rosa Mountain 2590 Comment
  CAS-BOT-BC247397  Poa pratensis Cecil Hart 1922-5-21 7 a Riverside San Jacinto Mt. Comment
  SEINET1911032  Poa pratensis Scott D. White, Justin M. Wood 2008-1 12260 Riverside San Jacinto Mountians: Meadows at Baldy Mtn. 1585 Comment
  SD136949  Poa secunda Steve Boyd 1992-4-14 6835 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Western flank of Bluewater Cyn along Bluewater Trail. 341 Comment
  UCD91780  Poa secunda subsp. secunda F. W. Peirson 1921-3-22 5368 Riverside Murray Canyon, Colorado Desert. 396 Comment
  CAS-BOT-BC428031  Poaceae L. Nye; G. Gust 2005-3-11 59 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR165201  Polygala cornuta var. fishiae Robert Cox 2003-9-8 s.n. Riverside Peninsular Ranges, Santa Ana Mtns., along Indian Truck Trail c. 1.8 mi. east of Santiago Peak 1128 Comment
  UCR119820  Polygonum aviculare Mitch Provance 1998-6-11 644 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  RSA544282  Polygonum aviculare subsp. aviculare Steve Boyd, Tim S. Ross 1991-6-14 6365 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  RSA463111  Polygonum lapathifolium Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
  CLARK-A1528-31  Polypodium californicum Ruth Cooper 1952-6-3 644 a Riverside Box Springs Mountains Comment
  RSA228808  Polypodium californicum Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 613 Riverside Cleveland Nat. Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  SD137943  Polypogon monspeliensis Darin L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground, N of where the Arroyo Seco turns to the E Comment
  UC821249  Polypogon monspeliensis P. A. Munz 1922-6-23 5774 Riverside San Jacinto Mts. Hemet Valley; , Hemet Valley 1371 Comment
  UCR165639  Polypogon monspeliensis John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR201705  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-6-16 12113 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  CAS-BOT-BC237462  Polypogon viridis John Thomas Howell 1959-9-26 35069 Riverside San Jacinto Mountains: Bautista Canyon 951 Comment
  JOTR30282  Polypogon viridis La Doux, Tasha, Alice Miller 2007-5-31 1778 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  LA206340  Polypogon viridis A. M. Johnson; 1937-11-26 113 Riverside rd to Anza Comment
  LA204817  Polystichum kruckebergii Lawrence L. Kiefer; 1966-7-24 2281 Riverside San Jacinto Mountains, 0.25 mi NW of the summit of Tahquitz Canyon 2590 Comment
  POM319093  Populus fremontii Patricia Wilder 1971-3-20 4873 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  RSA500090  Populus fremontii Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3219 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  UCR237947  Populus fremontii Mark A. Elvin, Julie M. Vanderwier, A. C. Sanders 2002-4-9 1911 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UC484086  Populus fremontii subsp. fremontii C. B. Wolf 1931-3-13 1882 Riverside Colorado River bottom at Blythe Bridge; Colorado River bottom at Blythe Bridge 91 Comment
  RSA124075  Porophyllum gracile P. C. Everett, E. K. Balls 1958-4-29 23035 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City 549 Comment
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Mar 20 2011
  UCR174335  Porophyllum gracile A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32644 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR156464  Portulaca oleracea T. B. Salvato, A. C. Sanders 2005-5-17 890 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
  CDA844  Potamogeton pectinatus L. C. Wheeler 1953-3-3 7034 Riverside Sonoran (Colorado) Desert; Alligator Slough on the Colorado River 0 Comment
  SDSU12251  Primula clevelandii var. clevelandii Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 2 Riverside Comment
  RSA0013888  Proboscidea althaeifolia Jim Andre, Tasha La Doux 2008-9-13 10267 Riverside Chuckwalla Valley: along dirt road approximately 2 mi. N of Desert Center, 0.5 miles W of Tamarisk Golf Course (at Kaiser Rd. Jct.) 234 Comment
  CAS-BOT-BC206986  Prosopis glandulosa var. torreyana Steve Boyd 1986-4-10 1646 Riverside Temescal Canyon, along De Palma Road between Indian Truck Trail and Horsethief Canyon, on terrace escarpment 1.2 mi. E of Indian Truck Trail Comment
  UC65003  Prosopis glandulosa var. torreyana E. E. Schellenger 1904-12-5 18 Riverside Paloverde; Colorado Desert Comment
  UCR17319  Prosopis glandulosa var. torreyana Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, Chuckwalla Bench. 457 Comment
  RSA698011  Prosopis pubescens J. R. Bruff 1927-10-8 113 Riverside Thousand Palms. Comment
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Sep 10 2011
  SBBG70929  Prunus emarginata R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  UC861038  Prunus fasciculata C. L. Hitchcock 1940-4-2 5916 Riverside Cottonwood Spring, Joshua Tree National Monument Cottonwood Spring; Joshua Tree National Monument, Cottonwood Spring Comment
  JOTR34484  Prunus fasciculata var. fasciculata Andre, Jim 2012-4-16 20967 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  SBBG3056  Prunus fremontii H. and M. Dearing 1941-4-9 4634 Riverside Palms to Pines Hwy Comment
  SD229262  Prunus fremontii Dick Schwenkmeyer 2013-6-11 912 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  RSA699170  Prunus ilicifolia J. Russell Bruff 1929-12-27 443 Riverside Mission Canon. Comment
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Nov 9 2011
  CAS-BOT-BC356345  Psathyrotes ramosissima Roxana S. Ferris 1918-6-15 996 Riverside 25 miles east of Mecca on Mecca-Blythe Road Comment
  CAS-BOT-BC356347  Psathyrotes ramosissima H. M. Hall 1905-4-1 5864 Riverside Nr. Chuckawalla [Chuckwalla] Comment
  CAS-BOT-BC356351  Psathyrotes ramosissima M. Bourell; R. Patterson 1987-4-14 3273 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  POM98745  Psathyrotes ramosissima P. A. Munz 1926-1-31 9963 Riverside Dos Palmas Spring Comment
  UCR273974  Pseudognaphalium canescens subsp. beneolens Mitch Provance 2012-4-24 412- 32 Riverside San Gorgonio Pass, Smith Creek SW of Banning, west of the west end of Bobcat Rd. 734 Comment
  SDSU13559  Pseudognaphalium microcephalum W. Miller with C. Mosse 1972-8-9 Riverside Bank of road leading to top of plateau above river, north of. Comment
  PASA2297  Psilocarphus globiferus Frank W. Peirson 1922-4-29 Riverside Lake Elsinore 380 Comment
  SEINET3133952  Psorothamnus arborescens var. simplicifolius S. B. Parish 1907-4-3 6108 Riverside W border of the Colorado Desert 150 Comment
  CAS-BOT-BC353628  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside at Greundikes Well on Mecca-Blythe Road Comment
  POM275393  Psorothamnus emoryi L. R. Abrams 1926-3-26 11098 Riverside between Edom and Garnet east of San Gorgonio pass. Comment
  RSA336191  Psorothamnus emoryi Robert F. Thorne 1978-4-23 52042 Riverside Just E of Palm Desert. Comment
  RSA5156  Psorothamnus emoryi Carl B. Wolf 1932-4-26 2967 Riverside 3 mi. east of Mecca on Blythe Road. 0 Comment
  UC128408  Psorothamnus emoryi Marcus E. Jones, A. M. 1903-5-8 Riverside Indio -7 Comment
  CAS-BOT-BC340906  Psorothamnus schottii Annie M. Alexander; Louise Kellogg 1941-5-17 2193 Riverside Colorado Desert. Near Dos Palmas Comment
  OBI32603  Psorothamnus schottii A. C. Sanders 1983-4-24 3800 Riverside NW end of the Orocopia Mts along hwy 195 +- 3 mi NE of Shavers Well and 2.7 mi NE of the point where the road enters the Box Cyn 366 Comment
  RSA444302  Psorothamnus schottii W. W. 1988-4-2 4220 Riverside Frontage Rd. off I 10, near pumping station in Pinkham Wash area Comment
  SBBG29378  Psorothamnus schottii D. Myrick 1968-3-2 1800 Riverside Desert Hot Springs 304 Comment
  RSA91438  Psorothamnus schottii F. W. Peirson 1921-4-13 566 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  POM210818  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  SBBG3321  Psorothamnus spinosus H. and M. Dearing 1942-1-17 4786 Riverside near Cathedral City Comment
  RSA467857  Pterospora andromedea L. C. Wheeler 1931-10-3 234 Riverside Strawberry Valley, San Jacinto Mts. 1890 Comment
  CAS-BOT-BC421258  Pterostegia drymarioides A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37735 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
  SEINET7073457  Pterostegia drymarioides 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
  UC6926  Pterostegia drymarioides Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SD181685  Pulicaria paludosa Scott D. White 2001-6-29 8630 A Riverside Menifee Valley, ca. 1.4 miles wouthwest of the I-215/Newport Road interchange, northwest of the intersection of Holland Rd. and Bradley Road. 438 Comment
  UCSB1219  Quercus X morehus Neely, William 1948-10-3 Riverside Above highway near Idyllwild, San Jacinto Mts. 1828 Comment
  LA205265  Quercus agrifolia Carl Epling; November 1932 sn Riverside Palms to Pines Highway, E of Idlywild nearroad to Santa Rosa Mts Comment
  RSA608245  Quercus agrifolia var. agrifolia Louis C. Wheeler 1960-8-6 7779 Riverside Temescal Canyon: ca. 1 mile E of Glenn Ivy, Wright Ranch. Comment
  RSA450473  Quercus agrifolia var. oxyadenia J. C. Roos 1965-9-26 s.n. Riverside San Janinto & Santa Rosa Mountains: hills near summit of Pines to Palms Highway. Comment
  UCR262390  Quercus agrifolia var. oxyadenia Tom Scott 2011-1 2011- 576 Riverside San Bernardino Mtns., south side of mountains along Mias Canyon Rd., c. 0.5 mile north of Bluff St., north of Banning 863 Comment
  RSA601110  Quercus berberidifolia A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18104 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  SD136834  Quercus berberidifolia Steve Boyd 1994-10-14 8398 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, along San Mateo Trail between north branch of Tenaja Trail & Fisherman's Camp, on mesic north-facing slope 427 Comment
  UCR273000  Quercus berberidifolia Mitch Provance 2012-8-30 17432 Riverside San Bernardino Mountains, Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River 1067 Comment
  CAS-BOT-BC62443  Quercus chrysolepis E. A. McGregor 1941-6-12 26 Riverside Santa Rosa Mt. Comment
  RSA476547  Quercus chrysolepis N. C. Cooper 1943-9-11 903 Riverside San Jacinto Mtns. below Idlewild. 1067 Comment
  UCR169240  Quercus chrysolepis Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 84 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  UCR231039  Quercus chrysolepis A. C. Sanders, Kent Beaman 2011-9-27 39917 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  RSA592669  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4261 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  CAS-BOT-BC250919  Quercus dumosa P. S. Manos 1988-10-27 673 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  RSA495812  Quercus dumosa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2922 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
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Jun 24 2010
  SD90464  Quercus engelmannii Robert F. Thorne, E. Lathrop 1969-6-6 39348 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  UCSB1183  Quercus kelloggii Haller, John 1950-5-20 Riverside San Jacinto Mtns, Idyllwild- Hemet Road 1402 Comment
  RSA660499  Quercus palmeri A. C. Sanders 1998-5-14 21848 Riverside Jurupa Mtns.: Rattlesnake Mtn. (hill 1452m), Crestmore, above watertank W of Cedar Ave., above intersection of Andalusia and Malaga Streets. 366 Comment
  RSA87149  Quercus palmeri F. W. Peirson 1922-5-20 3016 Riverside Upper end of Hemet Valley 1463 Comment
  SBBG1340  Quercus palmeri M. Van Rensselaer 1946-7-10 1921 Riverside Palms to Pines Hwy near Anza Rd jct 1371 Comment
  UCD47074  Quercus palmeri Rudolph Fischer 1965-10-8 3 Riverside East foothills of Thomas Mountain, Santa Rosa Range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  RSA0127037  Quercus wislizeni Tom Scott 2011-04 2011 -571.1 Riverside San Bernadino Mtns: south side of mountains in Bannin Canyon on USFS road 2S01, c. 6.5 miles up canyon. 1492 Comment
  CLARK-A1528-2914  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Box Springs Mountains 518 Comment
  RSA11363  Quercus wislizeni var. frutescens Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  JOTR31984  Rafinesquia californica La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2219 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  UCR167820  Rafinesquia californica John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  CAS-BOT-BC362617  Rafinesquia neomexicana Nancy Ryan Zabriskie; Walter Zabriskie 1973-4-3 604 Riverside Poorwill Canyon, Andreas Canyon area, Palm Canyon drainage, E slope San Jacinto Mtns. (Site A-6) 426 Comment
  RSA749946  Rafinesquia neomexicana Justin M. Wood 2009-3-26 413 Riverside Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  UCR241712  Rafinesquia neomexicana Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 43 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  PASA2620  Ranunculus aquatilis M. Stason 1931-5-24 Riverside Pond near Hurkey Creek Camp, Hemet Valley Comment
  UC63845  Ranunculus californicus H. M. Hall 1897-4-10 435 Riverside Pico's San Jacinto Valley (along ditch) Comment
  RSA0030881  Ranunculus cymbalaria var. saximontanus Ira W. Clokey, E. G. Anderson 1935-8-21 6627 Riverside Hemet. 1030 Comment
  UCR79255  Ranunculus hebecarpus Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6759 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Tenaja Trail from junction with Morgan Trail S to Pigeon Spring area 793 Comment
  UCR169393  Rhamnus californica subsp. ursina T. B. Salvato, John F. Green 2004-5-27 597 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
  UCR58482  Rhamnus crocea 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-BC56045  Rhamnus ilicifolia L. R. Abrams 1908-7-21 s.n. Riverside Santa Ana Mountains, near Elsinore Comment
  RSA0120131  Rhamnus ilicifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9271 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA175260  Rhamnus ilicifolia Robert F. Thorne 1963-7-26 32819 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  RSA680530  Rhododendron occidentale Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8640 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UC1929485  Rhododendron occidentale Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1707 Riverside Peninsular Ranges; San Jacinto Mountains region; Fuller Mill Creek Picnic Area. 1524 Comment
  UC723853  Rhododendron occidentale C. Epling, Wm. Robison 1935-6-29 Riverside Mount San Jacinto, Marion Peak Marion Peak; Mount San Jacinto, Marion Peak Comment
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Oct 14 2006
  RSA346257  Rhus ovata R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54059 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
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Apr 30 2011
  UC667350  Rhus trilobata Annie M. Alexander and Louise Kellogg 1941-5-21 2209 Riverside n slope of Eagle Mountains (near head of canyon); Colorado Desert 1280 Comment
  SD73468  Rhus trilobata var. pilosissima E. W. Lathrop 1969-6-6 7110 Riverside 8 miles west of Murrieta, on the Tenaja Truck Trail between Santa Rosa Road and Los Alamos Canyon Comment
  CAS-BOT-BC108720  Ribes cereum Philip A. Munz 1937-5-30 15142 Riverside Santa Rosa Peak. 2438 Comment
  JEPS44378  Ribes cereum Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4255 Riverside just below Toro Peak (i.e. s of the saddle e of the peak); Santa Rosa Mts. 2499 Comment
  UCR110988  Ribes cereum var. cereum George K. Helmkamp 1998-6-27 4127 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  CAS-BOT-BC173129  Ribes indecorum A. C. Sanders; Lowell J. Bean; Pesach Lubinsky; et al 2003-1-10 25660 Riverside San Jacinto Mountains: Bautista Canyon, at road crossing of creek ca. 1 mile above Alessandro Trail 930 Comment
  CLARK-A1528-6882  Ribes indecorum John C. Roos 1946-12-27 3194 Riverside Box Springs Mountains Comment
  RSA717839  Ribes indecorum T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 132 Riverside 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
  SEINET238729 Image available Ribes indecorum A. C. Sanders 1998-1-15 21628 Riverside Lake Skinner area: Black Mtn. along road up north side. 884 Comment
  SEINET3095401 Image available Ribes indecorum B. Pitzer, Jack Easton 1987-3-10 405 Riverside Anza area, hills S of Thomas Mtn., ca 3 mi. (airline) E of town of Anza on N side of Hwy 371. (Butterfly Peak Quad) Comment
  UCR278098  Ribes indecorum A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42672 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  SBBG35084  Ribes malvaceum T. L. Secrest 1951-5-19 Riverside Idyllwild Rd 1219 Comment
  UCSB39052  Ribes malvaceum var. malvaceum Jorgensen, Jan 1982-1-19 Riverside 3 kilometers up highway 243 from interstate 10; Banning; San Jacinto Mountains Comment
  CAS-BOT-BC212607  Ribes montigenum Carl B. Wolf 1932-8-5 3980 Riverside Summit, San Jacinto Peak 3293 Comment
  SDSU20377  Ribes montigenum Michael G. Simpson, Matt Guilliams, Michael Silveira, Lori Simpson 2007-6-25 2901 Riverside San Jacinto mountain, ca. 100 feet northeast of peak. 3287 Comment
  UCR79260  Ribes speciosum Steve Boyd, Orlando Mistretta 1992-4-22 7011 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  UCR167840  Rorippa nasturtium-aquaticum T. B. Salvato, Melissa Clemons 2005-6-23 1306 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA761754  Rosa californica Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 649 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA761751  Rubus parviflorus Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 645 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR23506  Rubus parviflorus John C. Roos 1942-6-20 991 Riverside San Jacinto Mtns., Dark Canyon, N Fork San Jacinto River Comment
  RSA466098  Rumex hymenosepalus N. C. Cooper 1944-4-22 1121 Riverside Banning. 701 Comment
  RSA659484  Rumex hymenosepalus J. C. Roos 1966-4-29 s.n. Riverside In the hills between March AFB and Lakeview. 457 Comment
  UCR176197  Rumex hymenosepalus Amber Bruno 2005-4-3 05 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR213282  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37695 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
  JEPS39923  Rumex salicifolius var. denticulatus W. L. Jepson 1903-8-6 2275 Riverside Dark Canyon San Jacinto Mts. 1828 Comment
  UC1979617  Rumex salicifolius var. denticulatus D. L Banks, Steve Boyd 1995-5-3 0204 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
  UCR21005  Rumex salicifolius var. denticulatus A. C. Sanders 1980-5-2 1447 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR35079  Rumex salicifolius var. denticulatus L. B. Ziegler 1969-6-10 373 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley) 1433 Comment
  IRVC27457  Rumex violascens A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester Domenigoni Valley 433 Comment
  UCR263463  Sagina A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35586 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, above mapped spring 1524 Comment
  RSA477742  Sagina saginoides E. C. Jaeger 1922-7-6 s.n. Riverside Long Valley. Comment
  CAS-BOT-BC103904  Salix exigua Frank W. Peirson 1933-4-15 10650 Riverside Whitewater River, 4 1/2 miles above the bridge 701 Comment
  SJSU242  Salix exigua Mrs. H. P. Bracelin 1932-4-12 599 Riverside E side of bridge over Santa Ana R, 4.8 km N of Arlington on rd to Pedley, W of Riverside Comment
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Mar 26 2011
  SBBG58912  Salix exigua var. hindsiana F. R. Fosberg 1932-3-13 8078 Riverside Thousand Palms Cyn Comment
  UCD110969  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner area: Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. Comment
  UCR252611  Salix gooddingii T. B. Salvato, Matthew Malle 2013-4-2 7496 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  POM9862  Salix gooddingii I. M. Johnston 1917-6-3 s.n. Riverside Hills south of Arlington. 366 Comment
  RSA715295  Salix laevigata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32676 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  UCR159207  Salix laevigata A. C. Sanders, Kelly Volansky 2005-8-31 31563 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
  UCR241398  Salix laevigata T. B. Salvato 2013-3-22 7392 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
  UCR92663  Salix laevigata Scott D. White, Shelton Dowthit, et al. 1996-3-31 3849 Riverside Lake Skinner area, Riverside Land Conservancy conservation easement site, c. 0.5 air mi south of the reservoir, near East Benton Road 534 Comment
  CSUSB919  Salix lasiandra Oscar F. Clarke, M. Alexander 1971-3-31 Riverside Santa Ana River Santa Ana River bottom, in (city of) Riverside. Union Pacific Bridge. Comment
  UCR232060  Salix lasiolepis John F. Green 2008-4-23 07- 07 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  RSA0094962  Saltugilia australis F. W. Peirson 1921-3-22 4136 Riverside Murray Canyon, Colo. Desert. 396 Comment
  RSA0004874  Saltugilia latimeri Verne Grant, Alva Grant 1950-4-9 8840 Riverside Palm Springs. Comment
  RSA67604  Saltugilia splendens Verne Grant, Alva Grant 1950-4-9 8839 Riverside Palm Springs. Comment
  RSA78776  Saltugilia splendens Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17272 Riverside San Jacinto Mountains: .5 miles SE o Lake Fulmore on road to Idyllwild from Banning. 1220 Comment
  UC455468  Saltugilia splendens subsp. splendens I. J. Condit 1910-6-22 Riverside San Jacinto Mts. Comment
  CLARK-A1528-582  Salvia apiana Markell Kohn 1959-4-12 Riverside Riverside Comment
  IRVC2069  Salvia apiana R. H. Whittaker, W. A. Niering 1963-5-28 SJ 43 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  SBBG71162  Salvia apiana V. Duran 1933-7-1 3491 Riverside near Santa Rosa 1828 Comment
  UCR193916  Salvia apiana A. C. Sanders, Mitch Provance 2008-7-11 35763 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
  SEINET13947245 Image available Salvia apiana C. Epling, H. Lewis 1942-1 s.n. Riverside East of Pinon Flats Comment
  POM3983  Salvia carduacea P. A. Munz 1918-4-27 2125 Riverside Mouth of Temescal Canyon, southeast of Corona. Comment
  POM4128  Salvia columbariae Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains: Comment
  RSA0039607  Salvia columbariae Deidre Conocchioli, Duncan S. Bell 2014-3-4 146 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA554430  Salvia columbariae Theo Glenn 1992-3-31 92 -6 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. Comment
  RSA67305  Salvia columbariae G. R. Campbell 1951-4-22 16053 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1372 Comment
  RSA777725  Salvia columbariae Jim Andre, G. L. Clifton 2011-2-22 17428 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  UCR156277  Salvia columbariae T. B. Salvato, Kent Beaman 2005-5-16 850 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
  UCR174387  Salvia columbariae A. C. Sanders 2006-5-19 32413 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
  UCR241686  Salvia columbariae T. B. Salvato 2013-3-22 7406 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  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
  UCSB8122  Salvia columbariae Winn, Will 1963-4-8 Riverside 31.3 miles W of Desert Center; on Hwy 60-70 304 Comment
  SEINET13947334 Image available Salvia columbariae C. L. Hitchcock 1966-1 24155 Riverside 1 mi E of Glen Ivy hot springs. Comment
  UC104485  Salvia eremostachya H. M. Hall 1902-4-12 2856 Riverside Coyote Canyon Western Borders of the Colorado Desert 914 Comment
  POM283362  Salvia mellifera Lyman Benson 1933-3-31 4144 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  UCR107705  Salvia mellifera A. C. Sanders 1997-3-1 19746 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR251936  Salvia mellifera Harun Bektas 2011-4-26 15 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UC25683  Salvia pachyphylla H. M. Hall 1898-1 Riverside San Jacinto Mountains Comment
  RSA356612  Salvia vaseyi Robert F. Thorne 1966-10-15 41806 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  SEINET2065848 Image available Salvia vaseyi A. C. Sanders, K. Rose 1995-4-27 16736 Riverside Coachella Valley: foot of the Little San Bernardino Mts., Canyon E of Fan Hill, just outside Joshua Tree Natl. Park 548 Comment
  UC219560  Sambucus mexicana P. A. Munz 1922-6-24 5791 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
  UCR120192  Sambucus mexicana Mitch Provance 1998-3-7 150 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  SDSU17499  Sanicula arguta Jerry Jenkins 2001-4-1 2001 -022 Riverside Santa Margarita Ecological Reserve. High saddle on road to Tourmaline mine, UTM zone 6, 482500E, 3699900N. UTM transfered to GIS. Comment
  UCR48482  Sanicula bipinnatifida Steve Boyd 1986-4-2 1582 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM9015  Sanicula bipinnatifida P. A. Munz, Harwood 1920-3-20 3382 Riverside 5 miles S of Corona. 305 Comment
  RSA263674  Sanicula crassicaulis E. W. Lathrop 1968-5-22 6922 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SEINET10636258  Sanicula crassicaulis Greg Gust, Leith Nye 2005-3-12 Gust 558 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  UCR34990  Sanicula tuberosa L. B. Ziegler 1975-5-1 541 Riverside San Jacinto Mtns, Bautista Canyon 703 Comment
  UC495324  Sarcostemma cynanchoides subsp. hartwegii P. A. Munz 1932-4-24 12397 Riverside Snow Creek Canyon San Jacinto Mts., Snow Creek Canyon 457 Comment
  LA202891  Sarcostemma hirtellum Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  RSA650260  Schinus molle W. H. Grady 1948-5-18 s.n. Riverside Found in Riverside, growing in Fairmont Park. 259 Comment
  UCD93276  Schismus C. L. Hitchcock; C. V. Muhlick 1962-3-16 22139 Riverside Temescal Canyon, 8 mi. s.e. of Corona. Comment
  RSA0036799  Schismus barbatus Starr Streight 1982-4-17 23 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Weedy disturbed road margins and field adjacent to Cajalco Rd. Comment
  RSA651602  Schismus barbatus Marion P. Harthill 1973-2-17 1559 Riverside Snow Creek, Palm Springs 366 Comment
  SDSU12523  Schismus barbatus Tahirih Linz, M. G. Simpson 2000-4-1 8 Riverside Comment
  SEINET212652 Image available Schismus barbatus L. C. Higgins 1974-4-12 8487 Riverside 5 miles south of Morongo Valley on highway 62 Comment
  SEINET229451 Image available Schismus barbatus L. M. Shultz, JS Shultz 1985-4-17 8317 Riverside Chuckawalla Valley depression along Wiley's well road 122 Comment
  UCD93254  Schismus barbatus D. C. Finfrock 1951-4-4 s.n. Riverside 33 mi. E. of Indio. Comment
  UCR121349  Schismus barbatus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25029 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  RSA366056  Schoenoplectus americanus Anstruther Davidson 1904-5-1 1092 Riverside Palm Springs. Comment
  SDSU12972  Schoenoplectus pungens var. longispicatus Michael G. Simpson 1999-10-27 2039 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA575967  Scirpus acutus var. occidentalis Steve Boyd 1980-9-16 s.n. Riverside Gavilan Hills region, north base of the range, west of Lake Mathews along Cajalco Road about 1 mile west of La Sierra Avenue. 366 Comment
  CAS-BOT-BC111018  Scirpus microcarpus H. M. Hall 1901-6-1 2289 Riverside Along water courses in the vicinity of Strawberry Valley, San Jacinto Mts. 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
  SEINET156173  Scutellaria angustifolia Norman C. Cooper 1944-7-16 1540 Riverside San Jacinto Mtn., Pine Cove. 1524 Comment
  POM11410  Selaginella bigelovii Fred M. Reed 1919-4-4 4113 Riverside Palm Springs Canyon Comment
  RSA683696  Selaginella bigelovii Ora M. Clark 1929-2-23 1522 Riverside S Cabazon, San Jacinto Mtns. Comment
  RSA771703  Selaginella bigelovii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4754 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 604 Comment
  SEINET9622578 Image available Selaginella bigelovii M. D. Windham, K. Pryer, J. Beck, C. Rothfels, A. Grusz 2008-5-15 3558 Riverside SSE of Palm Springs along unnamed tributary of Palm Canyon. ca. 5.61 km WNW of the summit of Murray Hill. T4S, R4E, Sec. 34. 221 Comment
  UCR124098  Selaginella bigelovii Steven R. Hill 2001-4-29 33538 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR7779  Selaginella bigelovii Pat Halligan 1968-4-19 s.n. Riverside San Bernardino Valley Region, Riverside, Box Springs Mtns, NW slope of Sugarloaf Mountain Comment
  POM6431  Selaginella eremophila Philip A. Munz, L. Street, G Williams 1919-3-25 2324 Riverside Palm Canyon. 243 Comment
  POM259681  Senecio californicus P. A. Munz 1940-3-22 15663 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  CAS-BOT-BC323992  Senecio flaccidus var. douglasii Philip A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at N base of Santa Rosa Mts. 1036 Comment
  RSA0125005  Senecio flaccidus var. douglasii N. Cooper 1949-6-3 4149 Riverside Temecula. 762 Comment
  SJSU11728  Senecio flaccidus var. monoensis R. C. McGehee 1970-4-28 236 Riverside 2-5 miles south of Cottonwood Pass Comment
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Aug 30 2013
  JOTR35075  Senecio mohavensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3527 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  RSA0012648  Senna armata April Garbat, Kristin Forgrave 2013-5-29 77 Riverside Gasline Rd and Bradshaw Trail junction off Red Cloud Mine Rd, population extends east for 2 miles. 602 Comment
  UC68644  Senna armata H. M. Hall May, 1905 6244 Riverside Cottonwood Pass Colorado Desert, Cottonwood Pass 670 Comment
  RSA719243  Senna armata Michael Honer, L. Hulse 2004-4-3 1909 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  UCR59720  Sesbania herbacea George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  SEINET238185 Image available Sesuvium verrucosum T. B. Salvato, A. C. Sanders; Mitch Provance 2000-1 45 Riverside Coachella Valley: 50th St. ca 1 mi W of Filmore, 1.5 mi E of town of Coachella. -24 Comment
  UC1930966  Sesuvium verrucosum R. E. Riefner Jr. 2008-8-25 05 -648 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. Comment
  UCR125469  Sesuvium verrucosum A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25687 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  UC1132950  Setaria viridis H. S. Yates 1937-6-28 6742 Riverside near Indio; Thermal Quad. Comment
  RSA559453  Sidalcea malviflora Steve Boyd, T. S. Ross 1992-5-5 7215 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UCR171978  Sidalcea malviflora John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UC218238  Sidalcea malviflora subsp. sparsifolia P. A. Munz and I. M. Johnston 1922-5-19 5441 Riverside 1 mi above Garner Ranch (Hemet Valley); San Jacinto Mts., , above Garner Ranch 1386 Comment
  UC63863  Sidalcea malviflora subsp. sparsifolia H. M. Hall 1897-4-18 468 Riverside Beaumont Beaumont (Southern California) Comment
  RSA586135  Silene antirrhina D. L. Banks 1995-4-11 0178 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 Dripping Springs Trail. 829 Comment
  RSA85405  Silene antirrhina J. C. Roos, L. Roos 1952-4-28 5590 Riverside Box Springs Mtns. 396 Comment
  UCD170112  Silene coniflora A. C. Sanders; Steven R. Hill 2001-5-4 24130 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UC1361893  Silene parishii Reid Moran 1968-8-3 15369 Riverside n slope 1 mi w of summit Santa Rosa Mountain; w of summit Santa Rosa Mountain 2150 Comment
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Jan 2 2010
  CAS-BOT-BC175066  Silene verecunda H. M. Hall 1901-7-1 2453 Riverside In open forests of [Tauquitz] Tahquitz. San Jacinto Mountains 2133 Comment
  UC64150  Silene verecunda subsp. platyota H. M. Hall July, 1901 2550 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains 2194 Comment
  RSA321111  Simmondsia chinensis James R. Shevock 1978-4-8 5776 Riverside Occasional along California highway 195 just off of Interstate 10 near Chiriaco Summit. Base of Orocopia Mts., Colorado Desert. Comment
  SBBG71061  Simmondsia chinensis H. and M. Dearing 1938-11-12 142 Riverside Little San Bernardino Mtns 762 Comment
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Jan 20 2015
  RSA431721  Sisymbrium altissimum Dr H. de Forest, Jack Remple 1933-6-25 s.n. Riverside Along road to Banning, San Jacinto Mts Comment
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Jun 16 2009
  UCR72351  Sisymbrium erysimoides A. C. Sanders, O. F. Clarke, M. Humboldt 1992-1-18 12009 Riverside Riverside, Victoria Avene, near Jefferson Street 274 Comment
  CDA3859  Sisymbrium irio W. H. Grady, L. Davis 1975-3-6 Riverside W. A. Elders property, 2173 Mt. Vernon, Riverside. 0 Comment
  UCR163423  Sisymbrium irio B. G. Pitzer 1998-1-25 3421 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  SD186020  Sisyrinchium bellum A. C. Sanders 2004-4-20 27542 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  UC4234  Sisyrinchium bellum H. M. Hall 1901-7-1 2340 Riverside vicinity of Deer Springs (San Jacinto Mountains); San Jacinto Mountains 2743 Comment
  UCR207318  Solanum O. F. Clarke 2003-12-6 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment