Search Results — 2000 specimen records retrieved (1889 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS47973  Abies concolor W. L. Jepson and H. M. Hall 1901-5-19 1304 Riverside Strawberry Valley Southern California, Mt. San Jacinto, Strawberry Valley Comment
  NY341988  Abronia aurita S. B. Parish 1896-4-4 4138 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mountain 152.4 Comment
  POM47186  Abronia pogonantha Mary F. Spencer 1920-04 1457 Riverside Cottonwood Springs, Colorado Desert Comment
  POM305641  Abronia villosa Henry J. Ramsey, Henry J. Ramsey 1937-3-2 858 Riverside Desert center, Mojave Desert Comment
Read comments
Dec 16 2011
  SD51954  Abronia villosa var. aurita Reid Moran 1962-7-8 9873 Riverside Roadside, north side of Hemet Valley, San Jacinto Mountains. Comment
Read comments
Feb 23 2013
  SD60431  Abronia villosa var. aurita Reid Moran 1964-7-27 11868 Riverside Canyon of Santa Margarita River 2.5 miles southsouthwest of Temecula. 199 Comment
  UCR596  Abronia villosa var. aurita S. C. Warner 1956-5-19 s.n. Riverside San Jacinto River, 2 mi. east of San Jacinto Comment
  RSA48334  Abronia villosa var. aurita E. K. Balls 1949-4-4 12970 Riverside Near Salton Beach on Highway 111, Colorado Desert. -61 Comment
  JOTR31805  Abronia villosa var. villosa La Doux, Tasha, Bill Truesdell 2007-11-9 2513 Riverside Joshua Tree National Park. Pinto Basin, where Fried Liver Wash crosses Pinto Basin Road; between Hexie and Pinto Mountains (Stop 1) 532 Comment
  RSA461204  Abronia villosa var. villosa M. B. Dunkle 1935-3-17 4403 Riverside Desert Center. 610 Comment
  RSA778491  Abronia villosa var. villosa Duncan S. Bell 2009-3-8 58 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  CAS-BOT-BC35190  Acamptopappus sphaerocephalus Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  POM229033  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz 1937-5-29 15151 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  UCR25767  Acer negundo John C. Roos 1949-4-2 4134 Riverside upper San Timoteo Canyon Comment
  UCR91004  Acer negundo A. C. Sanders 1996-4-24 18086 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  CDA28089  Achnatherum coronatum F. J. Willmarth 1962-9-7 Riverside San jacinto Mts.; Garner Ranch, Idyllwild Rd. 0 Comment
  POM1068  Achnatherum coronatum H. M. Hall 1901-06 2078 Riverside South side of San Jacinto Mountains. 1463 Comment
  CAS-BOT-BC384733  Achyronychia cooperi Lewis S. Rose 1936-12-29 36836 Riverside La Quinta. Alt. sea level Comment
  UCR100863  Achyronychia cooperi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2690 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR141141  Achyronychia cooperi June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  CAS-BOT-BC226255  Acmispon brachycarpus A. C. Sanders 2011-4-7 39033 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
  GMDRC6566  Acmispon heermannii var. heermannii J. M. Andre 2012-6-15 30522 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  SBBG68085  Acmispon strigosus M. N. Ackley -Feb-1926 543 Riverside near Edom 64 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
  CAS-BOT-BC182446  Adenophyllum porophylloides Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11212 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: 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... Comment
  UC1329853  Adenophyllum porophylloides James E. Cole 1941-5-23 778 Riverside tank, split rock area Ivanpah; Joshua Tree National Monument 1280 Comment
  UC495325  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside dry rocky wash in Snow Creek Canyon; San Jacinto Mts. 457 Comment
  UC829294  Adenophyllum porophylloides Lewis S. Rose 1938-12-22 38335 Riverside 15 mi sw, along Palms to Pines Highway Cathedral City; San Jacinto Mts. 670 Comment
  SEINET232551  Adenostoma fasciculatum Sharon K. DuBois 1987-5-10 Riverside San Jacinto Mountains 1 mile up Bee Canyon off of Highway 74. Banning 15 minute quadrangle. 457 Comment
  UCR30527  Adenostoma fasciculatum John C. Roos 1952-5-26 5722 Riverside Haas' Ranch, Reche Canyon 457 Comment
  RSA596113  Adenostoma sparsifolium D. L. Banks 1996-11-7 1200 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  UCR95944  Adenostoma sparsifolium Scott D. White 1996-8-1 4456 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  SD129152  Aegilops tauschii A. C. Sanders 1989-5-22 9491 Riverside Riverside, scarce annual weed in a dirt field east of Batchellor Hall on the University of California-Riverside campus. Comment
  CAS-BOT-BC101828  Agave deserti C. B. Wolf; P. C. Everett 1939-9-29 9455 Riverside Desert slopes of San Jacinto Range, Deep Canyon on Palms to Pines Road, 2 7/10 mi. below road to Dos Palmos Spring 274 Comment
  OBI6574  Agave deserti H. E. McMinn 1935-10-27 4047 Riverside E of Ribbonwood Palms to Pines Hwy Comment
  UC1080338  Agave deserti E. K. Balls and P. C. Everett 1957-8-20 22671 Riverside 6.6. mi sw Palm Village (along State Hwy 74, jct with Hwy 111) 502 Comment
  UC4153  Agave deserti C. Van Deventer 1901-1 Riverside e face San Jacinto Mt. Comment
  POM162492  Agrostis oregonensis Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. Comment
  UCR2131  Agrostis viridis F. M. Reed 1903-6-5 171 Riverside South Coast; San Bernardino Valley, Riverside, wet ground at outlet of lake in Fairmont Park 238 Comment
  RSA267968  Ailanthus altissima E. W. Lathrop 1977-5-19 7681 Riverside Base of Sierra, facing Santa Ana Canyon, 1 mi. NE Coal Canyon. 168 Comment
  CDA23223  Allenrolfea occidentalis T. C. Fuller 1962-10-3 9708 Riverside Highway 95 to Blythe, 1.7 miles south of Palo Verde Dam Road. 0 Comment
  RSA692201  Allionia incarnata Scott D. White, Michael Honer 2003-5-14 9302 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  JEPS61479  Allium denticulatum Marjorie D. Clary 1932-5-12 1590 Riverside Lost Horse Canyon Colorado Desert, Lost Horse Canyon 1219 Comment
  UCR90396  Allium haematochiton D. L. Banks, Steve Boyd 1995-5-9 385 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UCR29261  Allium lacunosum var. lacunosum A. C. Sanders 1980-6-11 1577 Riverside San Jacinto Mtns, Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  CAS-BOT-BC132013  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills: Summit of Estelle Mt. 841 Comment
  RSA673502  Allium munzii Scott D. White, K. Campbell, John Resek 2000-4-26 7736 Riverside Low hill west of intermittent channel (drains Walker Canyon). SW of Collier Ave. and NW of Riverside Dr. 381 Comment
  UC843342  Allium munzii C. B. Clokey, I. W. Clokey, B. Templeton 1930-4-15 4621 Riverside Gavilan Peak 600 Comment
  UCR42165  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  UCR139245  Allium parryi A. C. Sanders, Kate Kramer 2003-6-11 26877 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  UCR104172  Allium peninsulare Scott D. White 1997-5-25 5236 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  CAS-BOT-BC475412  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  UCR201505  Allophyllum gilioides subsp. violaceum Scott D. White, Justin M. Wood 2008-6-18 12223 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  UCR263226  Allophyllum glutinosum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41465 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  SEINET3917839  Alopecurus howellii Robert F. Thorne 1973-5-23 43848 Riverside Santa ROSA PLATEAU: N side of Mesa de Colorado.; 0 610 Comment
  UCR211464  Aloysia wrightii Tasha La Doux, Jim Andre 2008-9-13 264 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, upper Wilson Canyon on east side of paved highway 991 Comment
  IRVC28975  Amaranthus B. L. Phillips 1994-9-12 s.n. Riverside Riverside, UCR campus 336 Comment
  RSA512128  Amaranthus blitoides Ed LaRue 1989-4-21 s.n. Riverside Moreno valley, University of California agricultural experimental farms, ca. 1/2 mi. S of Alessandro Blvd. at NE corner of Catus Ave. & Nason Street. Comment
  UCR93481  Amaranthus blitoides A. C. Sanders, S. Ogg 1994-7-28 15185 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
  RSA0080441  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7579 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Hillside along Dunn Road, between Asbestos Mountain and Haystack Mountain, east-northeast of Potrero Spring. 1220 Comment
  UCR272653  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7573 Riverside along Eagle Mountain Road north of Hwy I-10, at large wash crossin west of Desert Center, western Chuckwalla Valley Comment
  JOTR35518  Ambrosia acanthicarpa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3338 Riverside Joshua Tree National Park. Queen Valley along Park Blvd, approx 400 m W of GeoTour Rd 1341 Comment
  RSA737123  Ambrosia acanthicarpa Justin M. Wood 2008-10-15 189 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR77760  Ambrosia acanthicarpa Steve Boyd 1991-9-8 6427 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  POM48486  Ambrosia confertiflora Philip A. Munz, I. M. Johnston 1924-7-29 8887 Riverside Banning. Comment
  SEINET4691693  Ambrosia confertiflora O. F. Clarke 2009-1 s.n. Riverside Peninsular Range: Riverside; O. F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC22611  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  CDA9976  Ambrosia dumosa A. C. Browne 1957-4-6 s.n. Riverside 6 miles east of Indio. 0 Comment
  RSA416969  Ambrosia dumosa M. B. Dunkle 1932-3-25 2900 Riverside Cathedral Canyon Comment
  RSA516900  Ambrosia dumosa Orlando Mistretta 1986-3-13 1420 Riverside Northeast of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (Rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA676121  Ambrosia dumosa Scott D. White 2001-4-3 8250 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SFV3923  Ambrosia dumosa M. L. Vincent, R. H. Swade 1963-10-19 468 A Riverside On California State Highway 74 about 6 miles south of Palm Desert. Roadside. Comment
  UCR256334  Ambrosia dumosa Duncan S. Bell 2012-3-18 3211 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  CLARK-A1528-1538  Ambrosia ilicifolia Edmund C. Jaeger 1946-12-29 3193 Riverside Chuckwalla Mountains 304 Comment
  RSA41492  Ambrosia ilicifolia Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  UCR201882  Ambrosia psilostachya Justin M. Wood 2008-9-19 136 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  SFV9315  Ambrosia salsola D. H. Hoover 1968-3-23 68 41C Riverside Colorado Desert Mission Creek Road, south of Morongo Valley and north of Whitewater (Palm Springs Inct.). Comment
  SBBG8466  Ambrosia salsola var. salsola H. and M. Dearing 1938-3-5 1965 Riverside between Blythe and Desert Center Comment
  SDSU12992  Amorpha fruticosa Michael G. Simpson 1999-10-27 2023 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR59518  Amorpha fruticosa var. occidentalis Steve Boyd, T. S. Ross, Laurel Arnseth 1989-5-7 3580 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, NW end of lake at E end of Oak Mtn., north of Wilson Creek 488 Comment
  HSC3515  Amsinckia intermedia C. L. Hitchcock, C. V. Muhlick 1964-3-22 23248 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  RSA0089628  Amsinckia intermedia Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6077 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
  UC494722  Amsinckia intermedia Philip A. Munz 1932-3-24 12025 Riverside n of Elsinore 304 Comment
  UCR4153  Amsinckia intermedia R. H. Sauer 1965-2-28 s.n. Riverside Box Springs Mtns 366 Comment
  UCR91420  Amsinckia intermedia Scott D. White 1995-4-5 2728 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA499897  Amsinckia tessellata George R. Johnstone 1934-3-27 s.n. Riverside Near Wildomar. Inland route to Temecula. Comment
  UC68764  Amsonia tomentosa H. M. Hall May, 1905 6006 Riverside Cottonwood Pass Colorado Desert, Cottonwood Pass 701 Comment
  SDSU13948  Anagallis arvensis Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2134 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  RSA357157  Anagallis minima Robert F. Thorne 1973-5-23 43855 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  RSA387342  Ancistrocarphus filagineus Steve Boyd 1986-5-1 1791 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA385148  Andropogon glomeratus Anstruther Davidson 1898-1 s.n. Riverside Palm Springs. Comment
  UC219552  Anemopsis californica P. A. Munz 1922-6-30 5905 Riverside Santa Rosa Mountains, Santa Rosa Santa Rosa; Santa Rosa Mountains, Santa Rosa 1981 Comment
  POM122258  Angelica tomentosa Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SEINET10721346  Antennaria David B. Dunn 1946-8-18 Dunn 2760 Riverside On dry gravely soil on ridge overlooking round valley where the trail forks going to Round valley & to Peak; but 50 feet farther up trail. 2743 Comment
  UCR111741  Anthemis cotula S. J. Myers 1996-5-30 s.n. Riverside Corona: River Road bridge over the Santa Ana River 159 Comment
  RSA503413  Antirrhinum coulterianum J. D. Olmsted 1962-5-10 3642 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  UC310279  Antirrhinum coulterianum Philip A. Munz 1925-5-20 9844 Riverside Aguanga Valley Comment
  UCR262229  Antirrhinum coulterianum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3707 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
  JEPS83316  Antirrhinum filipes David M. Thompson 1983-4-11 260 Riverside S of Morongo Valley (San Bernardino County) NE corner of the intersection of Indian Avenue and Worsley Road near Hwy. 62. Morongo Valley Quad. (15', 1955) 487 Comment
  SEINET13388909  Antirrhinum filipes H. M. Hall 1905-5-10 6014 Riverside Cottonwood Springs. 671 Comment
  UCR226740  Antirrhinum filipes Jim Andre 2011-2-18 15815 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UC184602  Antirrhinum filipes E. E. Schellenger Riverside Colorado Desert Comment
  UC1929314  Antirrhinum kelloggii Scott D. White, Justin Wood 2008-4-16 11887 Riverside Perris/Elsinore Basin; Hills to the W of I-215 and S of Scott Rd. Comment
  UCR214011  Antirrhinum nuttallianum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37797 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  VVC475  Antirrhinum nuttallianum A. C. Sanders 1997-5-4 20701 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  RSA278321  Antirrhinum nuttallianum subsp. nuttallianum C. W. Tilforth, Walter Wisura 1979-5-23 1803 Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta. 335 Comment
  UC1537412  Antirrhinum nuttallianum subsp. nuttallianum Gordon H. True Jr. 1935-4-17 242 Riverside Mockingbird Canyon 457 Comment
  UC76434  Antirrhinum nuttallianum subsp. nuttallianum Miss M. Alice King May 1893 Riverside Menifee Comment
  RSA356759  Apiastrum angustifolium R. F. Thorne 1973-5-23 45534 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  RSA699817  Apiastrum angustifolium Scott D. White, Michael Honer 2003-4-4 8946 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SD185109  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 miles easoutheast of Gavilan Peak. 622 Comment
  OBI40191  Apium graveolens S. Cantrell & W. Appleby, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional park, Riverside. S side of river (R5W, T2S, SW 1/4 sec 30) 207 Comment
  SBBG71703  Aquilegia formosa M. Lewis 1947-8-26 15 Riverside Dark Cyn 1981 Comment
Read comments
Jan 16 2012
  SDSU9933  Aquilegia formosa Garrison 1962-7-29 Riverside 0.25 miles from center of Idyllwild village in dense growth along bank of Strawberry Creek. 1615 Comment
  RSA27929  Arabis perennans C. L. Hitchcock 1940-4-1 5918 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  POM48870  Arceuthobium campylopodum Philip A. Munz, I. M. Johnston 1924-6-26 8705 Riverside Near Dark Canyon. 1524 Comment
  RSA629426  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16845 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  SD232670  Arctostaphylos glandulosa Scott D. White 1996-8-1 4450 Riverside San Jacento Mts.; Idyllwild Area: North of ISOMATA along USFS Rd 5S24.1. Road follows a recently-graded fuelbreak. S facing slope. 1554 Comment
  UCR215074  Arctostaphylos glandulosa Justin M. Wood 2009-3-10 352 Riverside San Jacinto Mountains, Near intersection of Hwy 243 and Twin Pines Rd. 1220 Comment
  UCR278160  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42668 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  POM254924  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-12 s.n. Riverside Main Divide Road, east of Los Pinos Peak, Santa Ana Mts. Comment
  UC1120227  Arctostaphylos glandulosa subsp. zacaensis A. Lewis 1933-2-2 149 Riverside Reed Valley San Jacinto Quadrangle Comment
  CLARK-A1045-104  Arctostaphylos glauca George K. Helmkamp 1977-3-20 Riverside San Jacinto Mountains flats above Deep Canyon; ; Palm Desert 15'Q 1066 Comment
  RSA632647  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16522 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  SBBG21961  Arctostaphylos glauca R. F. Thorne with J. Olmstead 1963-7-26 32817 Riverside Trabuco District, Cleveland Nat Forest 304 Comment
  RSA633521  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16712 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633567  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20142 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633597  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16704 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633625  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16688 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633672  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20111 Riverside Northeast slope of Santa Rosa Mountain, above Pinyon Flats. 1600 Comment
  RSA633760  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22653 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633768  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16617 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  UC876569  Arctostaphylos pringlei subsp. drupacea I. W. Clokey and E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek 1500 Comment
  UCSB26243  Arctostaphylos pringlei subsp. drupacea Gliessman, Stephen 1968-7-17 Riverside 50 yards south of Little Thomas Mountain Road, 3.7 miles north of junction with Highway 74, Little Thomas Mountain 1584 Comment
  RSA635781  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16530 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635812  Arctostaphylos pungens Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20101 Riverside Highway 371, 1 km east of Anza. 1220 Comment
  RSA636164  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19467 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  SD180724  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 407 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  CAS-BOT-BC401679  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-8-7 2178 b Riverside 13.2 miles s.e. of Idyllwild, Hemet Valley 1371 Comment
  RSA793457  Aristida adscensionis Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4377 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  RSA659617  Aristida purpurea J. C. Roos 1965-9-26 s.n. Riverside Palm Springs. 122 Comment
  UCR23881  Aristida purpurea var. nealleyi John C. Roos 1946-9-14 3029 Riverside Peninsular Range; Santa Rosa Mtns., along the roadside c. 1 mile east of Pinyon Flats camp 1189 Comment
  UCR26289  Aristida purpurea var. nealleyi John C. Roos 1951-10-19 5325 Riverside Badlands at Old Jackrabbit Trail 610 Comment
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Mar 20 2011
  UC1080343  Artemisia californica E. K. Balls and P. C. Everett 1957-11-4 22755 Riverside Snow Creek 609 Comment
  SDSU12969  Artemisia douglasiana Michael G. Simpson 1999-10-27 2037 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SD229063  Artemisia dracunculus Dick Schwenkmeyer 2012-9-20 837 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  SDSU13665  Artemisia dracunculus W. Miller 1972-8-9 Riverside Comment
  UC1211952  Artemisia dracunculus Otto T. Solbrig 1958-8-19 2771 Riverside on road to Indio 11.1 mi w Keen Camp; San Jacinto Mountains, Big Senvo Creek Comment
  RSA774721  Artemisia ludoviciana subsp. albula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4454 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UCR103562  Artemisia ludoviciana subsp. incompta George K. Helmkamp, E. A. Helmkamp 1998-1-7 2557 Riverside San Jacinto Valley, 4.7 mi. SE of Florida Ave. (Hemet) on Bautista Rd. 701 Comment
  SBBG98327  Artemisia tridentata P. A. Munz 1946-10-19 11565 a Riverside Cahuilla 1097 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
  RSA612606  Asclepias californica D. L. Banks, Victor Steinmann 1997-3-13 1491 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA0046830  Asclepias californica Paul Shirokawa 1998-5-15 27 Riverside Cleveland National Forest: Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  POM12425  Asclepias eriocarpa P. A. Munz 1922-9-5 6369 Riverside Fern Valley. Ocassioanl under pines 1982 Comment
  RSA20303  Asclepias erosa Roxana S. Ferris 1938-5-15 9520 Riverside 19 mi. from Cottonwood Springs, Riverside Co. N end of Pinto Basin Comment
  RSA401250  Asclepias fascicularis N. C. Cooper 1949-10-14 1569 Riverside Palms to Pines Hwy. Roadside 1372 Comment
  IRVC12864  Asparagus officinalis Steve Stadler 1966-3-26 032666 44 Riverside Found along the Gagu Canal .2 miles North of Blaine Street. 305 Comment
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Sep 29 2011
  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
  CAS-BOT-BC423305  Asteraceae L. Nye; G. Gust 2005-3-11 68 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  RSA498248  Astragalus aridus T. S. Clare 1930-4-14 s.n Riverside Salton Sea. [Imperial to Riverside Co] Comment
  SEINET938076  Astragalus coulteri Rea Raymond 1962-1 204 Riverside 29 Palms Highway, Joshua tree. Mojaucean Desert 914 Comment
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Aug 24 2013
  RSA415465  Astragalus didymocarpus Anstruther Davidson 1920-05 s.n. Riverside Temescal Comment
  SDSU17550  Astragalus didymocarpus var. didymocarpus Jerry Jenkins 2001 -033 Riverside Santa Margarita Ecological Reserve. UTM transfered to GIS. 177 Comment
  RSA415493  Astragalus douglasii Christopher Davidson 1978-6-15 7394 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA108530  Astragalus douglasii var. parishii Peter H. Raven, Sidney R. Snow 1956-7-6 9659 Riverside 0.3 miles W of Mtn Center, San Jacinto Mtns. 1372 Comment
  JEPS54663  Astragalus filipes W. L. Jepson 1901-5-20 1327 Riverside Thomas Valley Mt. San Jacinto Range, Thomas Valley 1341 Comment
  RSA395892  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA522754  Astragalus gambelianus Steve Boyd 1990-3-29 3861 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
  CAS-BOT-BC186897  Astragalus insularis var. harwoodii H. M. Hall 1901-4-5 5945 Riverside McCoy Wash, Colorado Desert Comment
  POM24940  Astragalus lentiginosus var. coachellae H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert. 240 Comment
  RSA112049  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 Riverside Palm Springs. 137 Comment
  RSA498233  Astragalus lentiginosus var. coachellae Robert M. Perkins, H. de Forest 1937-3-15 381 Riverside 26 miles west of Indio. Comment
  SD232244  Astragalus lentiginosus var. coachellae Scott D. White 2001-4-18 8367 Riverside Coachella Valley: Palm Springs. Northeast corner of 30th Ave. and Devall St. 100 Comment
  POM295496  Astragalus pomonensis Lyman Benson 1946-4-15 12013 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. 609 Comment
  RSA492850  Astragalus pomonensis Bill Wagner 1988-3-9 s.n Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
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Mar 20 2011
  RSA716395  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-5 9979 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD143546  Astragalus pomonensis R. D. Goeden, D. W. Ricker 1965-6-10 Riverside Temecula Valley, tributary of Temecula River near Oak Mountain, along dry sandy bottom of wash 456 Comment
  POM254744  Atrichoseris platyphylla Philip A. Munz 1940-3-24 15696 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  UCR214288  Atrichoseris platyphylla A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37485 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
  SEINET3930036  Atriplex argentea var. mohavensis Steve Boyd, Darin L. Banks 1994-9-29 8365 Riverside Lake Elsinore, floodplain east of dike along San Jacinto River, west of Sedco Hills community.; 0 381 Comment
  POM202640  Atriplex canescens W. M. Ingram 1934-10 4 Riverside Colorado Desert Comment
  RSA3322  Atriplex canescens C. B. Wolf 1931-10-14 s.n. Riverside Cabezon, San Gorgonio pass. Comment
  RSA452378  Atriplex canescens Ora M. Clark 1929-3-17 1744 Riverside N. La Quinta, Colorado Desert. Comment
  SEINET3930596  Atriplex canescens Grant D. Brown 1950-3-5 492 Riverside 3 miles east of Indio on highway #60/70.; 0 9 Comment
  CAS-BOT-BC170199  Atriplex canescens subsp. canescens Mrs. Robert Campbell 1921-11-26 7 Riverside Between Palm Springs and Indian Wells Comment
  CAS-BOT-BC170227  Atriplex canescens subsp. linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-10-31 324 Riverside Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mts. 167 Comment
  RSA773114  Atriplex canescens var. laciniata Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-10-7 673 Riverside Hwy 177. N of Desert Lily Sanctuary. Palen Valley. 274 Comment
  RSA787693  Atriplex canescens var. laciniata Duncan S. Bell 2012-4-5 3306 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 137 Comment
  POM184643  Atriplex canescens var. linearis L. C. Wheeler 1931-11-27 378 Riverside 2 miles SE of Salton Bench Mark. -76 Comment
  RSA0089541  Atriplex coronata var. notatior D. E. Bramlet, Melissa Riedel-Lehrke 2006-5-31 4014 Riverside Perris Basin: West Hemet area, MWD canal right-of-way, south of Florida Ave. 456 Comment
  UCR266268  Atriplex coronata var. notatior D. E. Bramlet, Scott D. White, Kerry M. Byrne 2006-5-3 3979 Riverside Perris-Aguanga Basin, area west of Hemet, north of Santa Fe RR tracks and east of California Ave., S of Stetson Ave, between canal and Warren Rd. 456 Comment
  RSA676295  Atriplex hymenelytra Scott D. White 2001-5-4 8449 Riverside Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio. 61 Comment
  UCR260959  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  SBBG1772  Atriplex lentiformis subsp. breweri H. and M. Dearing 1940-11-10 5017 Riverside Thousand Palms Cyn Comment
  RSA65380  Atriplex polycarpa Marcus E. Jones 1928-12-15 s.n. Riverside Indio, Coachella Valley Comment
  RSA778127  Atriplex polycarpa Thomas Stoughton, E. Gardner, D. Bell 2010-11-12 714 Riverside Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road. 305 Comment
  SEINET6174924 Image available Atriplex polycarpa Stephanie Rockwood, Christi Gabriel 2011-10-19 134 Riverside Mojave Desert; Southcentral Mojave Desert region: I95 Pulloff about 6 miles from Blythe Itaglios Marker. Boundary of Indian Reservation land. Desert Conservation Area. (Big Maria Mountains NE: T3S R23E S25) 99 Comment
  UCR172138  Atriplex serenana A. C. Sanders 2006-5-11 32254 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  CAS-BOT-BC176759  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side of Latham St., ca. 1/8 mile W of intersection with Keats Dr. 245 Comment
  UCR274527  Atriplex suberecta Mitch Provance, Ken Halama 2003-6-15 17056 A Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  SD211582  Atriplex triangularis Justin M. Wood 2008-9-22 145 Riverside Southwest Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 292 Comment
  POM9751  Ayenia compacta Philip A. Munz 1921-12-31 4699 Riverside Andreas Canyon, Palm Springs. Comment
  CLARK-A1656-855  Baccharis emoryi Jon Mark Stewart 1983-11-14 83-61 Riverside Santa Rosa Mountains 822 Comment
  LA203040  Baccharis emoryi Louis Wheeler; 1933-12-2 2311 Riverside Santa Ana River at Chino Creek 152 Comment
  IRVC525  Baccharis glutinosa R. H. Whittaker, W. A. Niering 1963-6-11 SJ 373 Riverside Santa Rosa Rd., slope W-5 degree draw, mostly sandy soil, occasional boulders. Santa Rosa Mountains 1601 Comment
  SD9147  Baccharis glutinosa C. R. Orcutt Nov 1883 Riverside Riverside Comment
  SBBG7728  Baccharis salicifolia H. and M. Dearing 1940-11-10 5011 Riverside Whitewater Comment
  RSA93205  Baccharis salicifolia F. W. Peirson 1920-6-23 8663 Riverside Temecula River. 854 Comment
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Mar 15 2017
  CAS-BOT-BC106673  Baccharis salicina A. C. Sanders; S. White; C. L. Sanders 1994-10-9 15819 Riverside San Bernardino Mountains: Whitewater Cyn., 2 mi. below trout farm, above Bonnie Bell. 548 Comment
  UC1605407  Baccharis salicina Steve Boyd 1994-10-14 8377 Riverside Fisherman's Camp Trail (7S02) from Wildomar Rd (7S01) w into Tenaja Canyon at its confluence with San Mateo Canyon (Fisherman's Camp); Southern Santa Ana Mountains, Cleveland N.F., San Mateo Cany 462 Comment
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Dec 6 2009
  UCR22194  Baccharis salicina Steve Boyd 1980-11-10 365 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SD137908  Baccharis sarothroides Darin L. Banks, Steve Boyd 1995-10-17 780 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area along lower Arroyo Seco. 515 Comment
  UC1922866  Baccharis sergiloides Robert F. Thorne 1966-10-15 41819 Riverside DEAD INDIAN CANYON: Near Palm Desert at foot of Palms to Pines Hwy. Comment
  RSA662147  Baccharis viminea Stephen Hill 1981-2-16 32 Riverside Cajalco Rd. 6.3 mile E. of hwy 15. on N side of road approx. Comment
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Jul 14 2013
  LA31363  Bahiopsis parishii Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 178 Riverside Morongo Wash Comment
  RSA1392  Bahiopsis parishii B. D. Stark 1930-4-2 785 Riverside Whitewater Bridge, San Gorgonio Pass 457 Comment
  RSA4949  Bahiopsis parishii C. B. Wolf 1932-4-27 3049 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  SBBG54311  Bahiopsis parishii B. Gustafson 1977-4-7 5576 Riverside Whitewater Cyn Rd exit from Interstate 10, ca. 2.5 mi W of jct Interstate 10 with State 62 near start of Pacific Crest Trail 609 Comment
  UCR79222  Barbarea orthoceras Steve Boyd 1992-4-14 6793 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  RSA793531  Bebbia juncea Naomi Fraga, David Fraker, Thomas Stoughton 2012-3-15 3947 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UCSB9702  Bebbia juncea Leeuwen, Henry 1957-4-13 Riverside next to U.S. 60 near juncture with Cal. 195 Comment
  CAS-BOT-BC100124  Bebbia juncea var. aspera K. Bonner 1977-10-31 2594 Riverside 14 miles South of Vidal 161 Comment
  JEPS32146  Bebbia juncea var. aspera W. L. Jepson 1927-4-11 11626 Riverside Whitewater Bridge 457 Comment
  RSA793274  Bebbia juncea var. aspera Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 149 Riverside On Graham Pass Rd. just south of Graham Pass in the Chuckwalla Mtns. Wilderness. 456 Comment
  UCR67353  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4074 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  POM299249  Bernardia incana Louise Kellogg, Annie M. Alexander 1941-5-10 2144 Riverside Small canyon 3 miles northeast of Cottonwood Spring, Eagle Mountains. 1037 Comment
  RSA479265  Bernardia incana N. R. Zabriskie, W. M. Zabriskie 1972-4-9 509 Riverside Small canyon NW from HWY 74 at 81.72, Deep Canyon Watershed, Santa Rosa Mts. 1220 Comment
  SD127585  Bernardia incana Robert F. Thorne, Avi Shmida and Robert Whittaker 1978-4-23 52074 Riverside North slope of Santa Rosa Mountains; Bighorn Lookout. Comment
  UCR13711  Boechera californica N. R. Zabriskie, W. W. Zabriskie 1972-6-18 524 Riverside Peninsular Range; San Jacinto Mtns., along fire road south of the S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild 1939 Comment
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Dec 25 2013
  UCR270713  Boechera johnstonii John F. Emmel 1999-3-27 1607 Riverside San Jacinto Mtns., Garner Valley, 0.1-0.2 air mile south of junction Hwy 74 and road to Ramona Trail 1384 Comment
  RSA0107274  Boechera johnstonii John F. Emmel 2001-4-28 1699 Riverside San Jacinto Mts.; Garner Valley; NE-facing slope 0.2 air mile S of trailhead parking area for Ramona Trail. 1377 Comment
  UCR167837  Boerhavia coccinea T. B. Salvato, Melissa Clemons 2005-6-23 1310 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR94923  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside San Jacinto Mtns., South fork of San Jacinto River, Hwy 74, c. 1-3 road mi. east of U.S. Forest Service Cranston Fire Station. 762 Comment
  UCR58877  Boerhavia coulteri J. M. Stewart 1989-10-16 610 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  UCR104582  Boerhavia intermedia T. L. Ackerman 1982-10-13 82 438 Riverside Western Colorado Desert, Boyd Deep Canyon Center near road and buildings 274 Comment
  UCR20339  Boerhavia intermedia John C. Roos, L. Roos 1952-10-18 5901 Riverside Little San Bernardino Mtns, Hidden Valley campground 1220 Comment
  CAS-BOT-BC434547  Boerhavia spicata Philip A. Munz 1946-10-20 11578 Riverside Palms to Pines Highway, at north base of Santa Rosa Mts. 1036 Comment
  POM246649  Boerhavia triquetra E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  JOTR32599  Boerhavia triquetra var. intermedia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2665 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
  SD255218  Boerhavia triquetra var. intermedia Sarah J. De Groot, Amy Rouillard 2015-9-15 7565 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 106 Comment
  VVC2318  Boerhavia wrightii Tim Thomas, Alice Karl 2011-10-18 5528 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  RSA0094451  Bolboschoenus maritimus subsp. paludosus Duncan S. Bell 2015-8-12 8594 Riverside Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  UCD150437  Bolboschoenus robustus A. W. Miller 1958-3-8 s.n. Riverside NE corner Salton Sea. Comment
  RSA613138  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCR60438  Bothriochloa barbinodis S. J. Myers 1989-8-3 s.n. Riverside Peninsular Range, 1.5 mi SW of Temecula, and 0.5 mi west of the confluence of Murrieta and Temecula Creeks 396 Comment
  RSA254077  Bouteloua barbata Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6490 Riverside Palen valley, 15mi north-east of Desert Center. 183 Comment
  RSA339334  Bouteloua barbata R. F. Thorne 53563 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line, near jnc od road to Split Rock and 29 Palms; elev. ca. 3600 feet-Valley W of Pinto Mountains. Sandy wash at Live Oak Tank. 1326 Comment
  RSA675740  Bouteloua barbata Scott D. White, W. LaHaye 2001-4-28 8430 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  SEINET3221555 Image available Bouteloua barbata E. R. Blakley 1961-9-12 4713 Riverside Pinyon Flat, Palms to Pines Highway Comment
  UC2026404  Bouteloua barbata var. barbata Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10048 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UCR201433  Bouteloua curtipendula Scott D. White, Justin M. Wood 2008-6-17 12177 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  CAS-BOT-BC95428  Bowlesia incana E. A. Zumbro 1902-4-1 s.n. Riverside Box Springs Mtn. Comment
  RSA613130  Bowlesia incana D. L. Banks 1997-3-6 1399 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCR107426  Bowlesia incana B. G. Pitzer, A. C. Sanders, T. Tennant 1998-4-26 3674 Riverside Box Springs Mountains, Pigeon Pass Road, c. 1/2 mi. by road uphill from Pigeon Pass., in Pigeon Pass Valley, on south side of mtns. 518 Comment
  JEPS78698  Brandegea bigelovii S. B. Parish 1912-10-23 8292 Riverside near Mecca (Chuckwalla Mountains, Red Canyon); Chuckwalla Mountains, Red Canyon Comment
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Nov 24 2011
  RSA305948  Brandegea bigelovii Fay A. MacFadden 1940-3-17 15295 Riverside Rd from Twentynine Palms to Indio, about half way, San Bernardino Mts. Comment
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  UCR172276  Brassica nigra John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Benton Road 409 Comment
  RSA0064520  Brassica nigra Bruce Albert 1982-4-17 31 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UCR5972  Brassica rapa Steve Stadler 1966-3-10 31066- 23 Riverside Peninsular Range, Corona Area. Located 1 mi east of Corona along old Temescal Road 1/4 mi north of Rimpau Ave. Corner of Old Temescal Rd. and Rimpau is 1/2 mi west of the John Manuill Fiberglass Plant. 213 Comment
  UCR156356  Brassica tournefortii T. B. Salvato, Kent Beaman 2005-5-16 867 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
  UCR20832  Brassica tournefortii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1302 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR263501  Brassica tournefortii David Fraker, Aaron C. Sedgwick 2012-3-22 09 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  UCR18519  Brickellia arguta Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  RSA561424  Brickellia californica Steve Boyd 1992-9-9 7685 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  SD152952  Brickellia californica Steve Boyd, Time Ross and Dave Bramlet 1992-9-9 7685 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  RSA301936  Brickellia desertorum J. R. Shevock 1972-11-14 2314 Riverside Coyote Canyon, Anza Borrego State Park 762 Comment
  RSA588824  Brickellia desertorum Darin L. Banks, Steve Boyd 1995-10-17 0776 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
  UCR163887  Brickellia desertorum B. G. Pitzer 2001-11-4 4350 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UC501618  Brodiaea filifolia Frank W. Peirson 1930-5-10 8772 Riverside 1 mi E of Perris 457 Comment
  UCR14996  Brodiaea terrestris subsp. kernensis Kirk Taylor 1976-5-23 76-5-23 16 Riverside Peninsular Range; Santa Ana Mtns., Mesa de Colorado, 9 mi west of Murrieta on Tenaja Rd. 549 Comment
  RSA180433  Bromus arenarius E. W. Lathrop 1965-5-9 5742 Riverside 6 miles W of Murrieta. Comment
  RSA741063  Bromus carinatus Scott D. White, Justin M. Wood 2008-6-5 12070 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UC1563599  Bromus carinatus var. carinatus A. C. Sanders 1989-4-30 9068 Riverside Riverside, at 422 Campus View Drive, (in rigth-of-way behind house) Riverside; , Campus View Drive Comment
  UC37575  Bromus carinatus var. carinatus H. M. Hall May 1899 1112 Riverside San Jacinto Mountain; Southern California, San Jacinto Mountain 1371 Comment
  CAS-BOT-BC148742  Bromus carinatus var. marginatus Mary F. Spencer 1919-6-27 1232 Riverside San Jacinot Mountains. Idyllwild. 1615 Comment
  SBBG47545  Bromus diandrus N. C. Cooper 1944-4-22 1116 Riverside Banning 701 Comment
  RSA586131  Bromus diandrus D. L. Banks 1995-4-11 174 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., 33 deg 26' 18''N-116 deg 58' 27''W. 950 Comment
  UCR16073  Bromus hordeaceus S. L. Lackey 1973-5-15 s.n. Riverside Riverside, Box Springs Mountain, near lookout station 915 Comment
  VVC551  Bromus hordeaceus A. C. Sanders, J. Mac 1997-5-4 20690 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  UCR9398  Bromus marginatus D. H. Wilken 1965-6-21 281 Riverside San Jacinto Mtns., Herkey Creek Public Camp, W end of the Hemet (Garner) Valley 1372 Comment
  RSA772325  Bromus rubens Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4503 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CDA37834  Bromus tectorum Unknown Collector 2012-5-1 PDR# 1590361 Riverside Anza; Peony Gardens Nursery, 59880 Anzanita Lane near Burnt Valley Road. 0 Comment
  LA13846  Bromus tectorum Victor Duran; 1932-5-18 3218 Riverside San Jacinto Mountains, Idyllwild 1676 Comment
  UCR120936  Bromus tectorum A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24957 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR138630  Bromus tectorum Scott D. White 1997-5-18 5165 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  UCR94235  Bromus tectorum Scott D. White 1996-4-14 3911 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  CHSC851  Caesalpinia virgata M. Anthony 1954-4-15 Riverside Canyon east of Mecca. 152 Comment
  RSA498296  Caesalpinia virgata Martha Hilend 1928-3-25 s.n Riverside Painted Canyon. Comment
  UCR107717  Calandrinia ciliata A. C. Sanders 1997-3-1 19742 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
  UCR138643  Calandrinia ciliata D. L. Banks 1997-2-17 1272 Riverside Agua Tibia Mtns., NW Palomar Mountains: burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  UCR183336  Calandrinia ciliata Mitch Provance 2003-4-26 9882 B Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR97445  Calandrinia ciliata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19864 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA667102  Callisia repens A. C. Sanders, O. F. Clarke, Susan Sims 2001-11-28 24889 Riverside San Bernardino Valley Region: between Pedley & Mira Loma, Sims property at NE corner of Limonite Av. & Bain St. 210 Comment
  UCR48169  Callitriche longipedunculata R. F. Thorne 1973-5-23 45530 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  CAS-BOT-BC85769  Calocedrus decurrens Winifern W. Swarth 1914-9-8 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  RSA572048  Calocedrus decurrens C. Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mountains; on mountainside. 1584 Comment
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Sep 22 2013
  RSA377346  Calochortus concolor N. C. Cooper 1944-7-16 1386 Riverside San Jacinto Mountains. West side. 1220 Comment
  RSA58892  Calochortus concolor Philip A. Munz, Percy C. Everett 1950-6-23 14907 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  SD236126  Calochortus concolor Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 113 Riverside San Bernardino Mtns. Region: Morongo Indian Reservation; Lion Canyon 755 Comment
  CSUSB399  Calochortus splendens I. S. Singh 1972-5-2 Riverside 5.1 miles west of Taneja Road from Murrieta. Comment
  UCR172712  Calochortus splendens Jun Hu 2000-5-11 16 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  JEPS29288  Calycoseris parryi Rimo Bacigalupi, L. Heckard, and P. Hutchinson 1962-3-23 8360 Riverside 1.9 mi sw of San Bernardino County line (lower end of Morongo Wash); Morongo Wash 609 Comment
  JOTR31125  Calycoseris parryi La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2507 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline south of Quail Mountain peak with steep, north facing slopes (Stop 4) Comment
  CAS-BOT-BC282914  Calycoseris wrightii Roxana S. Ferris 1939-3-29 9707 Riverside In wash between Hayfields Reservoir and Desert Center on the Indio-Blythe Highway Comment
  UCR279416  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-25 42996 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR80810  Calyptridium monandrum Scott D. White 1993-5-29 1441 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  SEINET5336237  Calyptridium monandrum I. W. Clokey 1935-4-18 6616 Riverside Gavilan Mesa Comment
  CAS-BOT-BC224280  Calystegia macrostegia A. C. Sanders; T. B. Salvato; Kelly Volansky; Michelle Balk 2006-5-24 32520 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  SEINET3246022  Calystegia macrostegia subsp. arida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-1 38408 Riverside Peninsular Range: southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 491 Comment
  SJSU8764  Calystegia macrostegia subsp. intermedia G. E. Eberle 1962-12-27 77 Riverside upper end of Two Trees Rd, Riverside Comment
  POM12229  Calystegia occidentalis subsp. fulcrata Mary F. Spencer 1921-7-7 1866 Riverside Idyllwild. 1616 Comment
  POM15017  Calystegia occidentalis subsp. fulcrata Mary F. Spencer 1922-6-30 950 Riverside Idyllwild 1677 Comment
  UCR152638  Camissonia bistorta A. C. Sanders 2005-4-22 29608 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA466017  Camissonia brevipes subsp. brevipes N. C. Cooper 1949-4-8 3253 Riverside Palm Springs. 457 Comment
  SEINET3093141 Image available Camissonia brevipes subsp. brevipes G. K. Helmkamp, E. A. Helmkamp 1998-1-17 2545 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. Comment
  RSA305636  Camissonia brevipes subsp. brevipes Henry J. Ramsey, Henry J. Ramsey 1937-3-2 863 Riverside Blythe, Colorado River bluffs. Comment
  JOTR29161  Camissonia californica La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1238 Riverside Joshua Tree National Park. Key's view Comment
  RSA515334  Camissonia californica Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, Cole Canyon, NW of Mesa de Burro, at head of canyon. 610 Comment
  RSA736777  Camissonia californica Scott D. White, Angelia Carey 2004-7-2 10562 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR208011  Camissonia californica E. W. Lathrop 1975-8-15 7468 Riverside Peninsular Ranges: Santa Ana Mts. region, 5 miles W of Murrieta, Los Gatos Road, on south slope of Mesa de Colorado. Comment
  UCR37614  Camissonia californica George K. Helmkamp 1984-5-2 D- 3 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  SD3347  Camissonia campestris subsp. campestris Ruth Randall 1922-4-9 219 Riverside Coachella; Painted Canyon. Comment
  RSA777820  Camissonia cardiophylla subsp. cardiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 849 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  CLARK-A1703-1216  Camissonia claviformis Charlotte Stocks 1963-5-20 Riverside Box Canyon Comment
  CSUSB195  Camissonia claviformis W. W. Mayhew 1959-2-3 Riverside 10 miles east of Desert Center Comment
  POM265109  Camissonia claviformis subsp. aurantiaca I. L. Wiggins 1937-3-9 8759 Riverside 5 miles west of Shaver's Well. Comment
  RSA135292  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11473 A Riverside Along roadside, 0.5 mile west of Mecca. Comment
  RSA172298  Camissonia claviformis subsp. aurantiaca Robert F. Thorne 1963-3-29 32363 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  SDSU3356  Camissonia confusa H. Wedberg 1958-5-18 306 Riverside At Pinon Flat Campground, San Jacinto Mountains. Comment
  UCR133380  Camissonia confusa Mitch Provance, J. S. Ross 1998-3-27 MOR- 993 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR44447  Camissonia confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto Valley, San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  RSA263688  Camissonia hirtella E. W. Lathrop 1968-6-2 6960 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA291564  Camissonia hirtella C. W. Tilforth, B. Busenberg 1980-6-17 2002 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  RSA68311  Camissonia hirtella G. R. Campbell 1951-5-30 16113 Riverside 9 miles west of Anza. 1067 Comment
  UCR119406  Camissonia hirtella Mitch Provance 1998-6-11 645 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR275932  Camissonia hirtella T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3785 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCR120965  Camissonia ignota A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23883 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR281527  Camissonia ignota Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 93 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  UCR167309  Camissonia pallida Scott D. White, Jennifer H. Jones 2005-5-24 11102 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  POM145263  Camissonia pallida subsp. pallida C. L. Hitchcock 1928-3-17 s.n. Riverside 15 miles east of Banning. Comment
  POM126860  Camissonia refracta Joseph Grinnell 1910-3-17 s.n. Riverside Riverside Mt. Colorado River. Comment
  RSA449055  Camissonia refracta M. B. Dunkle 1935-4-17 4563 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA676263  Camissonia refracta Scott D. White 2001-4-3 8242 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SEINET3005000  Camissonia refracta G. Rink 2011-4-4 10428 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UCR216226  Camissonia refracta Jim Andre, T. La Doux 2009-2-28 10839 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 0.8 mi. north of JTNP boundary, c. 3 miles north of Dillon Road 632 Comment
  UCR33631  Camissonia refracta Faulkner 1978-3-15 272 Riverside Sonoran (Colorado) Desert, 1 mi. west of Hwy 95, 25 mi. north of Blythe 152 Comment
  UC50469  Camissoniopsis bistorta H. M. Hall Apr. 1903 3723 Riverside Vicinity of Riverside 396 Comment
  RSA757755  Camissoniopsis pallida subsp. pallida LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4314 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
  RSA593884  Capsella bursa-pastoris Steve Boyd, Dave Bramlet 1996-4-19 8616 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR138638  Capsella bursa-pastoris D. L. Banks, J. Moreno 1997-2-5 1264 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  UCR88232  Cardamine debilis A. C. Sanders 1994-11-8 15865 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 & Sage Lane 46 Comment
  RSA716067  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills: South of Hemet, 'Santa Rosa Hills' near Hemet Butte. 549 Comment
  UCR176586  Carex alma N. M. Fellows, A. C. Sanders 1985-5-7 168 B Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  CHSC89824  Carex barbarae L. P. Janeway 2004-5-8 8061 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; between Tenaja Trail and the creek, 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. Flattish bench above and away from the creek. 387 Comment
  RSA572422  Carex globosa Christopher Davidson 1977-5-18 5621 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  SBBG59305  Carex multicaulis R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  SD128231  Carex nebrascensis R. Mitchel Beauchamp 1971-5-15 2420 Riverside San Jacinto Mountains; along the shore of Lake Fulmore. 487 Comment
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Sep 6 2009
  CAS-BOT-BC118512  Carex praegracilis Philip Alexander Munz 1918-4-27 2132 Riverside Murrieta Comment
  RSA263680  Carex praegracilis E. W. Lathrop 1968-6-2 6964 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA648963  Carex praegracilis A. C. Sanders, Steve Boyd 1980-5-19 1501 Riverside San Jacinto Mtns., Garner Valley. west of Kenworthy Ranger Station. 1371 Comment
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Mar 25 2011
  RSA680524  Carex praegracilis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8649 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR232055  Carex praegracilis John F. Green 2008-4-22 06- 04 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  OBI37489  Carex schottii Steve Boyd 1985-7-23 1024 Riverside De Luz Rd, 8.5 mi W of Rancho Calif; along Sandia Crk 274 Comment
  UCR35297  Carex senta L. B. Ziegler 1970-5-20 406 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  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
  UCR79474  Carex triquetra Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7311 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  SEINET10476947  Castanopsis sempervirens David B. Dunn 1946-8-16 Dunn 2674 Riverside Jolly springs ravine on trail up devil's slide. San jacinto mts. Comment
  POM230837  Castilleja affinis C. B. Clokey, Bonnie C. Templeton, I. W. Clokey 1930-4-15 4729 Riverside Perris to Gavilan Peak. 600 Comment
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Nov 8 2011
  RSA575879  Castilleja affinis Steve D. Boyd 1981-3-11 s.n. Riverside Gavilan Hills region, northern flank of Estelle Mountain along fence line between T5S R5W sec. 32 at access road up from Dawson Canyon. 732 Comment
  JEPS60185  Castilleja affinis subsp. affinis L. R. Heckard 1969-4-24 2166 Riverside about 2.5 mi s Sage (along Highway 79) Comment
  JEPS8584  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-3-30 3551 Riverside 2.6 mi n Murrieta (e of Calif Hwy 71, between Wildomar and Murrieta) 396 Comment
  SDSU14031  Castilleja affinis subsp. affinis Dinna Estrella, M. G. Simpson 2002-4-20 19 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside station. 341 Comment
  SEINET3078326 Image available Castilleja angustifolia var. dubia C. Francis Shutts 1949-3-19 56 Riverside White Tank, Joshua Tree Nat'l Mon. Pinto Mt. Range, Colorado R. Drainage Area 457 Comment
  POM319354  Castilleja applegatei subsp. martinii Patricia Wilder 1968-7-5 4311 Riverside Trail near Idyllwild, San Bernardino National Forest. 1982 Comment
  UC665831  Castilleja exserta Ira L. Wiggins 1941-3-27 9703 Riverside 4 mi n Whitewater Comment
  UCR162414  Castilleja exserta S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  OBI8275  Castilleja foliolosa David J. Keil, Malcolm McLeod 1977-3-26 12006 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  POM312181  Castilleja foliolosa N. C. Cooper 1944-4-22 1125 Riverside Banning. 732 Comment
  UCR180588  Castilleja foliolosa Scott D. White, Angelia Carey 2004-4-5 9985 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR262254  Castilleja foliolosa T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3716 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
  UCR193419  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35630 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR193891  Castilleja minor subsp. spiralis A. C. Sanders, Mitch Provance 2008-7-11 35814 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA713479  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UCR136317  Caulanthus heterophyllus Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  SBBG87473  Caulanthus lasiophyllus A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6099 Riverside Corn Spring, Chuckwalla Mtns; T6S R16E S28 487 Comment
  OBI45205  Caulanthus simulans B. Pitzer & L. LaPre, L. LaPre 1987-3-2 369 Riverside Bundy Canyon, ca. 2.0 mi SE of Lake Elsinore and 0.5 mi N of Budy Canyon Rd. off Raciti Rd. 701 Comment
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Nov 21 2014
  UCR17935A  Caulanthus simulans A. C. Sanders 1976-4-20 00224 A Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  HSC98202  Ceanothus crassifolius C. L. Hitchcock 1966-3-15 24152 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA606765  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27362 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UC1018191  Ceanothus crassifolius J. Warren 1952-3-16 Riverside Ortega Hwy Mt. Lilac (by Lake Elsinore) 609 Comment
  UC1871015  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-23 7899 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, T8S R1W SE 1/4 NE 1/4 sec. 29. Elev. 2000-2200 feet. Comment
  SDSU10356  Ceanothus cuneatus Chris Frazier 1989-8-1 105 Riverside Along State Route 79, about 1. 0 miles W of Aguanga. Comment
  CHSC1505  Ceanothus greggii var. perplexans V. Holt 1942-3-29 Riverside Keen Camp, Santa Rosa Mountains. Comment
  RSA77158  Ceanothus leucodermis F. W. Peirson 1914-04 730 Riverside Whitewater at head of Coachella Valley. Comment
  UCR168138  Ceanothus leucodermis T. B. Salvato, John F. Green 2004-5-27 648 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
  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
  RSA0025535  Ceanothus oliganthus var. sorediatus John F. Emmel 1992-4-11 1202 Riverside Riverbed of South Fork San Jacinto River, 0.3 air mi NW of confluence of Dry Creek and San Jacinto River. 738 Comment
  RSA606736  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27416 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCR68480  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3099 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  RSA601167  Ceanothus palmeri Scott D. White 1996-8-15 4476 Riverside Idyllwild area: USFS Rd. 5S10 at jct w/ foot trail 2E16, at an intermittent stream channel. 1646 Comment
  OBI6101  Ceanothus perplexans Carl B. Wolf 1931-5-11 1944 Riverside Near Pipe Crk above Hemet Valley, San Jacinto Mts 1676 Comment
  UCR3421  Ceanothus perplexans Heidi A. Haid 1964-5-10 64510- 9 Riverside Peninsular Range; San Jacinto Mtns., Cahuilla Valley, Hwy 71 [=371], 8 miles south of Hwy 74 junction 1220 Comment
  CDA7288  Centaurea X pouzinii T. C. Fuller 1962-6-6 8846 Riverside South entrance to Fuller Rancho, ca. 5 miles north of Corona. 0 Comment
  UCR119949  Centaurea repens Mitch Provance 1998-9-5 1026 Riverside City of Riverside, Hillside area, along the south side of Dewey St., between Streeter Ave. and Palm Ave. 238 Comment
  UCR140872  Centaurea repens John Rimoldi 2004-8-15 s.n. Riverside San Bernardino Valley Region, Arlington area of Riverside, Doolittle Ave., c. 0.5 km NW of Van Buren Blvd. on Doolittle, west of Riverside Airport 226 Comment
  SEINET3094376 Image available Centaurium calycosum L. A. McGill, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch. Comment
  RSA391485  Centaurium exaltatum I. W. Clokey, E. G. Anderson 1935-8-21 6790 Riverside Hemet Lake 1300 Comment
  RSA209603  Centaurium venustum Robert Eaton 1968-5-13 680513 -11 Riverside Tenaja Rd. 8.5 miles from Washington St. Murietta. Sandia Canyon. 305 Comment
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Apr 20 2008
  JEPS106967  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 19 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  RSA0086790  Centromadia pungens subsp. laevis D. E. Bramlet 2005-7-13 3904 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: Bloome Parcel, 2550 ft north of San Jacinto River, 1580 ft south of South Contour Rd., 4700 ft east of Mystic Lake Duck Club. 433 Comment
  RSA741552  Centromadia pungens subsp. laevis Justin M. Wood 2008-11-5 220 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  UC1392826  Centromadia pungens subsp. laevis R. F. Hoover 1968-6-6 11150 Riverside 1 mi e Perris Comment
  RSA663907  Cercidium floridum C. R. Annable 1995-3-10 2262 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  JEPS13976  Cercidium floridum subsp. floridum I. W. Clokey 1935-4-17 6717 Riverside Shafer Wells; ; [Shaver's Wells] Comment
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Apr 24 2011
  UC61576  Cercidium floridum subsp. floridum Miss Mary McKibben 1904-1 Riverside Mecca Colorado Desert Comment
  RSA613143  Cercocarpus betuloides D. L. Banks 1997-3-6 1413 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Area between a newly established firebreak on the south end of the Reservation, west of Magee Truck Trail and upper Pala Creek. 396 Comment
  UCD113019  Cercocarpus betuloides Ted C. MacRae 1995-5-25 s.n. Riverside Santa Rosa Mountains, 2.4 miles NE of Pinyon Flats on Highway 74. 1219 Comment
  CAS-BOT-BC147687  Cercocarpus betuloides var. betuloides James R. Shevock 1978-4-26 5904 Riverside On the NE side of Pleasants Peak. Along FS road 3S04, Santa Ana Mountains, Cleveland National Forest 1188 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
  RSA522775  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3882 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
  SDSU13940  Cercocarpus minutiflorus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2151 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UC454314  Chaenactis artemisiifolia F. M. Reed 1905-7-4 814 Riverside Coldwater Canon, Riverside Middle Coast Comment
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May 22 2012
  UCD130229  Chaenactis carphoclinia James Henrickson 1963-3-29 1224 Riverside 12 miles west of Desert Center, near Eagle Mount Pumping Station. 533 Comment
  JOTR31919  Chaenactis carphoclinia var. carphoclinia Harding, Mitzi, T. Herskovits 2011-4-10 s.n. Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; where foothills border Hwy 177 278 Comment
  POM351665  Chaenactis carphoclinia var. carphoclinia M. B. Dunkle 1935-4-17 4558 Riverside W. of Wiley Well. Colorado Desert. Comment
  CAS-BOT-BC276910  Chaenactis fremontii Palmer Stockwell 1940-4-24 1504 Riverside 1 mile E of Cabazon Comment
  CLARK-A1528-182  Chaenactis fremontii Leland R. Dykes 1962-4-1 18 Riverside Whitewater Canyon Comment
  JEPS30924  Chaenactis fremontii P. Stockwell 1940-4-24 1507 Riverside 1 mi e of Banning Comment
  POM351693  Chaenactis fremontii Christopher Davidson 1973-4-1 1843 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  POM6509  Chaenactis fremontii Philip A. Munz, L. T. Street, Williams 1919-3-28 2464 Riverside San Gorgonio Pass, near Cabazon Comment
  UC1718086  Chaenactis fremontii John S. Mooring 1962-3-10 569 Riverside Whitewater Canyon ca. 0.5 miles N of hwy 60-70 Comment
  UC34696  Chaenactis fremontii H. M. Hall 1902-4-11 2807 a Riverside Coyote Canon, w borders of Colorado Desert Colorado Desert, Coyote Canon 152 Comment
  SEINET11860905  Chaenactis fremontii J. F. Bright, Wyman, C. 1933-3-12 8072 Riverside between Radio & Palm Springs Comment
  SD130354  Chaenactis glabriuscula Ed LaRue 1990-4-13 Riverside I(c) miles northwest of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  SEINET8734827 Image available Chaenactis glabriuscula Jean Coulson 1959-1 s.n. Riverside Box Spring Mts.; Pidgeon Pass Road, 0.6 mi. From fork to dump on E. side of road Comment
  CAS-BOT-BC277418  Chaenactis glabriuscula var. glabriuscula Peter H. Raven; R. Snow 1957-7-26 11105 Riverside Meadow just below Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto Mts. Comment
  RSA495451  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2979 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
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Oct 4 2007
  UC185535  Chaenactis glabriuscula var. glabriuscula Katharine Brandegee 1905-5-12 Riverside near Riverside (Wilder's) Comment
  UCR44221  Chaenactis parishii A. C. Sanders 1986-6-1 6558 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA775940  Chaenactis stevioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 950 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  RSA779768  Chaenactis stevioides Duncan S. Bell 2010-4-1 675 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  UCD159797  Chaenactis stevioides Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 Comment
  JOTR34147  Chaenactis xantiana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3164 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  POM14016  Chamaesyce albomarginata P. A. Munz, D. D. Keck 1922-4-13 4926 Riverside Hayfields,' Chuckwalla Valley 152 Comment
  RSA0121601  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9101 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 513 Comment
  RSA0123690  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9148 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  SEINET3228135  Chamaesyce micromera G. Rink, T. Thomas and K. Routson 2012-9-2 11658 Riverside McCoy Solar Power Plant (proposed) about 10 miles northwest of Blythe 170 Comment
  RSA339255  Chamaesyce polycarpa R. F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-23 53601 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  SEINET7907984  Chamaesyce polycarpa D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  UC1547000  Chamaesyce polycarpa Leila M. Shultz and John S. Shultz 1985-4-17 8316 Riverside southern extension of the Big Maria Mtns Comment
  UC246680  Chamaesyce polycarpa S. B. Parish Apr 4 1896-Apr 13 1896 4143 Riverside Palm Springs (Agua Caliente) San Jacinto Mtn (base of mountain`) 152 Comment
  RSA576460  Chamaesyce polycarpa var. hirtella L. C. Wheeler 1933-12-2 2309 Riverside Mouth Tahquitz Canyon near Palm Springs. 144 Comment
  RSA628535  Chamaesyce serpillifolia A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22212 Riverside Morongo Indian Reservation, East Branch of Millard Canyon 1128 Comment
  JEPS52354  Chamaesyce serpyllifolia Carl V. Meyer 1928-7-30 587 Riverside Saunder's Meadow Comment
  RSA0103576  Chamaesyce setiloba Duncan S. Bell 2015-9-30 8652 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA480015  Chamaesyce setiloba Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2140 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR275019  Cheilanthes June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CLARK-A1528-3573  Cheilanthes clevelandii John C. Roos 1937-6-7 1798 Riverside Sage Comment
  UCR121816  Cheilanthes covillei A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24606 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR155951  Cheilanthes covillei Scott D. White 1994-4-23 2031 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  RSA523539  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3999 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA685792  Cheilanthes newberryi Anonymous s.n. Riverside San Jacinto. Comment
  POM12204  Cheilanthes parryi P. A. Munz, D. Keck 1922-4-9 4823 Riverside Colorado Desert: so. base of Eagle Mtns. 3 mi. no. east of the Hayfields. Comment
  POM276887  Cheilanthes parryi Lyman Benson 1945-4-6 11654 Riverside Whitewater Canyon, 3 miles above Whitewater. 427 Comment
  RSA0043063  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2014-3-20 6269 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA775665  Cheilanthes parryi Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 814 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  RSA8  Cheilanthes parryi J. T. Howell 1927-8-1 532 Riverside Morongo Pass. 610 Comment
  UC812273  Cheilanthes parryi C. L. Hitchcock 1940-4-4 5962 Riverside Cottonwood Springs; Joshua Tree Nat'l Monument Comment
  RSA597245  Cheilanthes viscida A. C. Sanders, G. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mountains/Colorado Desert: Chino Canyon near Palm Springs, 1.8 miles above Palm Canyon Road (Hwy 111) on the road to the tram station, vicinity of the upper end of the flood control dike. 548 Comment
  UCR260808  Chenopodium Mike Misenhelter 2009-7-29 s.n. Riverside Peninsular Range/ San Bernardino Valley, Riverside; Arlington area, west side of Van Buren Blvd. at north side of Lincoln St., across from drive-in theater 259 Comment
  RSA708055  Chenopodium californicum Scott D. White, Angelia Carey 2004-4-16 10154 Riverside Indian Creek and adjacent slopes. 549 Comment
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Sep 24 2007
  UCD169510  Chenopodium giganteum A. C. Sanders; Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden. 351 Comment
  CLARK-A1528-5012  Chenopodium leptophyllum John C. Roos 1946-8-27 2913 Riverside Santa Rosa Mountains 2438 Comment
  CAS-BOT-BC231773  Chilopsis linearis Annie M. Alexander; Louise Kellogg 1941-5-25 2234 Riverside Colorado Desert. Box Canyon, east of Mecca 243 Comment
  RSA455300  Chilopsis linearis Robert L. Rutherford 1943-9-11 904 Riverside Banning. Comment
  RSA455308  Chilopsis linearis George R. Johnstone 1929-11-28 s.n. Riverside 20 miles from Palm Springs 244 Comment
  SBBG133564  Chilopsis linearis S. D. White, A. Carey 2004-7-2 10565 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  SEINET2065474 Image available Chilopsis linearis M. Roskey, F. Boyen 1933-6-5 521 Riverside Big Morongo Nature Conservancy Preserve, south of Morongo Valley. 502 Comment
  UCSB47186  Chilopsis linearis Hornemann, D. 1977-2-27 Riverside Box Canyon Wash 60 Comment
  OBI20566  Chilopsis linearis subsp. arcuata H. E. McMinn 1935-6-27 4074 Riverside Palm Springs Comment
  POM11886  Chimaphila umbellata subsp. occidentalis P. A. Munz 1922-9-6 6387 Riverside North fork of Tahquitz Creek; San Jacinto Mts. 2210 Comment
  UCR50730  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside Sonoran (Colorado) Desert, just west of Blythe along canal near Hobson Way. 75 Comment
  RSA615389  Chloris truncata A. C. Sanders 1997-3-26 200095 Riverside Lake Skinner area: N edge of Temecula vinyard district, Borel Road, 0.1 mile W of turnoff to Lake Skinner (33 deg 34'N, 117 deg 02'W; Bachelor Mt. 7.5 Quad: T7S R2W NE/4 Sec.13). Alt. 488 m/ 1600 ft. 488 Comment
  UCD169371  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA724043  Chloris truncata R. E. Riefner 2006-8-3 6 -354 Riverside Homeland, State Hwy. 74 near 1st. Street. 439 Comment
  UCD57938  Chloris virgata Malcolm A. Nobs; S. Galen Smith 1948-9-3 490 Riverside Imperial Valley, 2 miles north of Indio. Comment
  UCR182819  Chloris virgata R. E. Riefner Jr. 2006-9-19 06- 447 Riverside Peninsular Range, Temecula Valley, along I-15 Freeway near Temecula Creek 301 Comment
  UCR121070  Chorizanthe coriacea D. E. Bramlet 1989-4-6 1812 A Riverside Perris-Aguanga Basin, Lake Skinner area, upland between Rawson Canyon and Tucalota Creek 457 Comment
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Sep 17 2011
  JEPS57635  Chorizanthe corrugata E. E. Schellenger May 1920 Riverside near Mecca (Hayfields, Colorado Desert); Colorado Desert, Hayfields Comment
  RSA228825  Chorizanthe fimbriata C. W. Tilforth 1969-7-27 229 Riverside Along State Hiway 74, 9.4 west of jct. with Grand Ave., Lake Elsinore. Comment
  SDSU13527  Chorizanthe fimbriata var. fimbriata W. Miller with C. Mosse 1972-7-20 Riverside Comment
  SDSU4907  Chorizanthe leptotheca Wende Rehlaender 1983-5-28 113 Riverside Santa Rosa Mountains. Big Horn Sheep Lookout: on NW rim of Deep Canyon, about 15 miles along Hwy 74 from Palm Desert; just SE of Sugarloaf Mtn., 5 miles NE of Santa Rosa Mtn. Comment
  UCR16542  Chorizanthe leptotheca Heidi A. Haid 1964-5-10 64510- 12 Riverside Hwy 79, c. 1 mi. east of Aguanga 610 Comment
  NY468374  Chorizanthe parryi G. H. True Jr. 1936-4-10 221 Riverside Sycamore Canyon, Box Springs 365.8 Comment
  POM10486  Chorizanthe parryi var. parryi Stephen Grout, Stephen Grout 1903-05 5 Riverside Riverside Comment
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Sep 5 2011
  UCR217548  Chorizanthe parryi var. parryi Diane Menuz 2008-6-20 473 Riverside San Bernardino Mtns. foothills, Bogart County Park, c. 350 m SW of fishing pond 987 Comment
  UCR217649  Chorizanthe parryi var. parryi Karyn L. Drennen, Kim Sparks 2010-3-24 04 Riverside Perris-Aguanga Basin, 1.9km southeast of Skinner Reservoir and 538m east of Warren Road. 30m north of a small drainage 512 Comment
  UCR217540  Chorizanthe polygonoides var. longispina Diane Menuz 2008-3-24 376 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  RSA392785  Chorizanthe procumbens J. Olmstead 1962-5-10 3638 Riverside Potrero country along S Divide T.T. [South Main Divide Road], SE end of Santa Ana Mts., SSW of Lake Elsinore Comment
  RSA559322  Chorizanthe procumbens Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7365 Riverside Southern Santa Ana Moutains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
  SEINET7063452  Chorizanthe procumbens A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on the East Benton Road. UTM Zone 11, 499198mE, 3715007mN. (WGS84/NAD83). 549 Comment
  RSA0121420  Chorizanthe rigida Duncan S. Bell, LeRoy Gross 2016-3-31 9191 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
  RSA607326  Chorizanthe rigida R. S. Woglum 1939-3-21 2175 Riverside Sonoran Desert: Mecca; north edge of Salton Sea. Comment
  RSA777545  Chorizanthe rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 905 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR181353  Chorizanthe staticoides Nathan Moorhatch 2004-5-17 s.n. Riverside Santa Ana River Valley, Colton, Santa Ana River Wash, near the N. Main Street/Riverside Ave. Bridge 256 Comment
  SD255185  Chrysolepis sempervirens R. F. Thorne, W. Wisura 1977-9-17 50790 Riverside San Jacinto Mountain: slopes of peak. 3171 Comment
  RSA503356  Chrysothamnus paniculatus S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  RSA117699  Chrysothamnus teretifolius S. Carlquist 1958-3-30 429 Riverside Along Morongo Valley to Lucerne Valley Road, on San Bernardino - Riverside County line Comment
  UC1595799  Chylismia brevipes W. Wisura, J. Dolan, M. Wall 1992-3-24 4635 Riverside on Box Canyon Rd 13.1 mi ne Mecca; Lowdesert Comment
  GMDRC9800  Chylismia brevipes subsp. brevipes J. M. Andre 2017-3-1 38009 Riverside Eagle Mountains: south end of range, 2.8 mi. north of Interstate 10 at Hayfield Rd exit 506 Comment
  SEINET13009282  Chylismia brevipes subsp. brevipes J. S. Horton 1973-3-19 698 Riverside 5 miles west of Desert Center. 366 Comment
  SBBG60504  Chylismia cardiophylla subsp. cardiophylla Anstruther Davidson 1893-1 Riverside Agua Caliente Springs Comment
  UCD103851  Chylismia claviformis John Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert. Salton Basin. Coachella Canal right-of-way, between siphons 22 and 23, S of Salt Creek. 23 Comment
  RSA0059653  Cirsium occidentale var. occidentale A. C. Sanders, J. Goetzen 1996-5-1 18128 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  RSA559956  Cistanthe monandra Steve Boyd, Orlando Mistretta 1992-4-23 7067 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA699173  Cistanthe monandra J. Russell Bruff 1928-4-2 110 Riverside Canyon wash 1 mile west of Morengo. Comment
  UCR59858  Citrullus lanatus J. M. Stewart 1989-11-20 637 Riverside Western Colorado Desert, Interstate Hwy 10, east of Indian Avenue, North Palm Springs Comment
  SEINET10814947  Citrus Wright 1911-4-28 Wright 4827 Riverside Riverside Cal. Comment
  CLARK-A1528-642  Clarkia deflexa C. M. Flanagan 1973-5-31 OO 601 Riverside Morongo Indian Reservation 914 Comment
  UC58857  Clarkia epilobioides H. M. Hall 1896-4-6 273 Riverside near Riverside; Box Springs Mt. Comment
  RSA0060021  Clarkia epilobioides Robert F. Thorne, Walter Wisura, D. Mitchener 1982-5-24 55195 Riverside Santa Ana Mts., Cleveland National Forest: Along Ortega Hwy. 732 Comment
  CSUSB230  Clarkia purpurea subsp. quadrivulnera R. Thomasson 1973-5-30 Riverside Box Springs Mountains Box Springs Mountains; Big C turnoff. 0.6 miles from Box Springs Mountain Road. 777 Comment
  POM10388  Clarkia purpurea subsp. quadrivulnera Charlotte M. Wilder 1904-5-14 s.n. Riverside Wilders Canyon, Jurupa Hills, Comment
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Jul 4 2010
  RSA448298  Clarkia purpurea subsp. quadrivulnera Christopher Davidson 1977-5-25 5643 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA617984  Clarkia purpurea subsp. quadrivulnera R. E. Riefner Jr. 1998-5-15 98 -302 Riverside Elsinore Trough between Willard and Murrieta Creek, Lake Elsinore. Comment
  RSA448337  Clarkia rhomboidea N. C. Cooper 1949-6-29 4349 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  SD217337  Clarkia unguiculata Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 961 Riverside Agua Tibia Mountains: Northwest foothills of Dorland Mountains; South end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 meters inside the preserve boundary gate. 3 meters East of the main road along an open field. 448 Comment
  RSA708074  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR151426  Claytonia parviflora subsp. parviflora D. L. Banks 1997-3-29 1582 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  JOTR31041  Claytonia parviflora subsp. utahensis La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2025 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
  JEPS43332  Claytonia parviflora subsp. viridis C. V. Meyer Jun 1927 187 Riverside Saunder's Meadows; San Jacinto Mts. Comment
  UCR102823  Claytonia parviflora subsp. viridis A. C. Sanders 1997-3-26 20113 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  RSA614412  Claytonia perfoliata D. L. Banks 1997-3-16 1545 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
  UCR138726  Claytonia perfoliata Julie A. Greene 1993-4-10 1128 Riverside San Jacinto Wildlife Area 476 Comment
  UCR121664  Claytonia perfoliata subsp. perfoliata A. C. Sanders 1997-3-19 20016 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  UCR16641  Claytonia perfoliata subsp. perfoliata H. C. Sharma 1976-4-26 760426- 04 Riverside about 3 miles south of Washington Street on the side of Mockingbird Canyon 335 Comment
  POM363  Clematis pauciflora I. M. Johnston 1918-5-30 2025 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
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Aug 9 2010
  RSA16374  Clematis pauciflora Percy C. Everett 1935-6-17 7157 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA386285  Clematis pauciflora Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA615150  Clematis pauciflora Scott D. White 1997-5-25 5251 A Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  SDSU13364  Clematis pauciflora Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-1 13 Riverside Santa Margarita Ecological Reserve (SDSU). 0.7 miles SW of the Northside Field Station. 241 Comment
  RSA440806  Cleome isomeris C. Cunningham 1941-2-9 s.n. Riverside 29 Palms Junction. 366 Comment
  RSA0117449  Collinsia concolor Scott D. White, Justin M. Wood 2008-6-18 12215 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UCR216362  Collinsia heterophylla Mike Bell 2008-4-27 013 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 557 Comment
  UCR160491  Collinsia parryi A. C. Sanders 1994-5-30 14612 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA314161  Collomia grandiflora W. Wisura 1983-6-25 3912 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  POM264596  Colubrina californica A. M. Alexander 1941-5-20 2206 Riverside 5.2 miles northwest of Desert Center, Eagle Mountain pumping station road. 457 Comment
  RSA554247  Colubrina californica Theo Glenn 1991-5-14 91 -46 Riverside W side of Little Maria Mountains, NW of Blythe. 309 Comment
  UCR18912  Colubrina californica John C. Roos 1960-4-8 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mts.; canyon 2.5 mi. SE of Desert Center Comment
  SBBG29244  Condea emoryi K. K. Muller 1967-9-14 1418 Riverside 5 mi E of Indio Comment
  UCR151371  Convolvulus simulans Steve Boyd 2001-4-12 10405 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Gavilan Hills region; Santa Ana Mountains region, Santa Ana Mountains-Gavilan Hills Region: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief wash Comment
  UCR228842  Convolvulus simulans A. C. Sanders 2011-4-26 39320 Riverside Peninsular Range, Alberhill Mountain, along dirt track parallel to Coal Ave./Nichols Rd. 432 Comment
  UCR93054  Conyza bonariensis Steve Boyd, D. L. Banks 1994-9-29 8368 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  RSA786957  Cordylanthus filifolius Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49542 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  SEINET7067550  Cordylanthus rigidus subsp. rigidus A. G. Vestal 1947-6-13 s.n. Riverside About 3.1 miles northeast of De Luz. Coordinate datum: NAD27. UTM Zone 11, 474167mE, 3702625mN. Comment
  RSA0011007  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Ryan Parker 2010-6-1 1231 Riverside San Bernardino National Forest: Rouse Ridge, approximately 2.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 992 Comment
  UCSB46757  Cordylanthus rigidus subsp. setiger Roos, John 1965-8-18 Riverside Thomas Valley, San Jacinto Mtns. Comment
  RSA689565  Coreopsis bigelovii Scott D. White, Michael Honer 2003-4-25 9119 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA771696  Coreopsis bigelovii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4692 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  RSA612812  Coreopsis californica D. L. Banks 1997-3-1 1357 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the Fiesta Grounds to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA699809  Corethrogyne filaginifolia Scott D. White, Michael Honer 2003-4-4 8937 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UC895237  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6961 Riverside e Keen Post Office; Hillside 1350 Comment
  RSA801945  Cornus sericea subsp. occidentalis LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6175 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  UCR22105  Cotula australis Steve Boyd 1980-5-28 304 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UC84529  Cotula coronopifolia Stephens 1895-3-31 Riverside Palmetto Springs [Palm Springs] Comment
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Apr 17 2011
  UCR98070  Cotula coronopifolia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19897 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  SEINET5765987  Covillea tridentata George B. Grant 1906-5-1 229 -6724 Riverside Colorado desert at Palm Springs, southern California Comment
  RSA788881  Crassula aquatica G. D. Wallace 2003-7-8 4041 Riverside Hidden Lake. Comment
  CLARK-A1528-2612  Cressa truxillensis John C. Roos 1952-5-21 5703 Riverside San Jacinto River Comment
  UC72144  Cressa truxillensis Miss M. Alice King May, 1893 Riverside Elsinore Comment
  SD186166  Crocanthemum scoparium A. C. Sanders 2004-4-20 27535 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  CAS-BOT-BC181567  Crossosoma bigelovii Roxana S. Ferris 1953-3-10 12600 Riverside Whitewater Canyon, about 2 miles north of Whitewater Post Office Comment
  CAS-BOT-BC181570  Crossosoma bigelovii Frank W. Peirson 1922-4-9 s.n. Riverside Andreas Canyon - Colorado Desert 457 Comment
  RSA85074  Crossosoma bigelovii F. W. Peirson 1933-4-15 10653 Riverside Whitewater River E of Cabezon, 4.5 mi. up stream from Hwy. 701 Comment
  RSA775444  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4446 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UC1922002  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  UCR169922  Croton californicus Scott D. White, Jennifer H. Jones 2005-4-21 10948 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR92257  Croton californicus Scott D. White 1995-8-23 3576 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCD141965  Croton californicus subsp. californicus Robert F. Thorne; W. A. Tilforth, L. Shultz, R. K. Benjamin, J Hogge 1980-4-16 54120 Riverside San Bernardino Mts.; along Whitewater River; E. of bridge and levee. Comment
  RSA0020313  Croton californicus var. mohavensis D. W. Stevens 1982-4-20 s.n. Riverside ~1 mi east of Devers Substation ~2 mi north of I-10. Comment
  SD42975  Croton setiger Ethel Bailey Higgins 1948-3-21 Riverside near Elsinore Comment
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Jul 11 2010
  JOTR30671  Cryptantha angustifolia La Doux, Tasha, Jim Andre 2008-3-21 140 Riverside Joshua Tree National Park. N. side of paved road to Cottonwood, at Fried Liver Wash crossing 557 Comment
  OBI75953  Cryptantha angustifolia James M. Andre 2011-2-9 156945 Riverside Coachella Valley; along Varner Rd between Desert Hot Springs and Palm Desert; 2 mi N of I-10 189 Comment
  UC662533  Cryptantha angustifolia S. D. McKelvey 1936-3-3 5067 Riverside near La Quinta Comment
  UCR166853  Cryptantha angustifolia Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR228188  Cryptantha angustifolia Dave Silverman 2010-3-24 7825 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Dr., and 3.7 km N of Interstate 10 130 Comment
  UCSB10403  Cryptantha angustifolia Gunnerson, Robert 1953-3-21 Riverside 12 mi. east of Indio Comment
  UCSB5537  Cryptantha angustifolia Graney, Don 1953-3-21 Riverside 11 miles east of Indio, Colorado Desert Comment
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Jul 18 2018
  RSA667998  Cryptantha barbigera C. R. Annable 1995-3-10 2264 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  UC100910  Cryptantha barbigera H. M. Hall 1905-4-23 5856 Riverside Canyon Springs Colorado Desert Comment
  UCR84845  Cryptantha barbigera A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16130 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA0094855  Cryptantha barbigera var. fergusoniae Jim M. Andre 2012-4-11 20681 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  POM368351  Cryptantha circumscissa Christopher Davidson 1973-4-19 1997 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 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
  UCSB18779  Cryptantha circumscissa Lean, Jr., Steve 1963-5-5 Riverside California Highway 74, 10. 2 miles SW of Palm Desert 883 Comment
  UCR244473  Cryptantha circumscissa var. circumscissa Jim Andre 2012-4-16 20944 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  UCR214565  Cryptantha costata A. C. Sanders 2010-3-15 37407 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR85077  Cryptantha costata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16021 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  SBBG6271  Cryptantha cycloptera H. and M. Dearing 1942-3-7 4812 Riverside Cathedral City bajada Comment
  JOTR30319  Cryptantha decipiens Andre, Jim, Tasha La Doux 2008-3-21 8840 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  POM3894  Cryptantha intermedia F. L. Robinson, Crocker 1916-4-5 s.n. Riverside Elsinore Region Comment
  RSA524426  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4122 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA524607  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3930 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA543737  Cryptantha intermedia Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6072 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
  RSA633324  Cryptantha intermedia R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 -C Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA683853  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-4 8959 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA786076  Cryptantha intermedia C. P. Cowan 1978-4-24 1251 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  UCR174947  Cryptantha intermedia Jennifer H. Jones, Toby Bartels 2006-4-23 275 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR177150  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-25 9107 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR231803  Cryptantha intermedia Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 09 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  RSA0049916  Cryptantha maritima Jim Andre 2014-1-27 26673 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
  RSA151903  Cryptantha maritima Peter M. Ray 1949-3-5 1334 Riverside Along hillcrest, Willis Palms, near 100 Palms, Coachella Valley, Riverside County Comment
  RSA676167  Cryptantha maritima Scott D. White 2001-4-3 8274 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA709894  Cryptantha maritima Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4595 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SDSU18679 SDSU18679
Image available
Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 45 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 607 Comment
  UCR52017  Cryptantha maritima var. maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2180 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UC489041  Cryptantha micrantha C. V. Meyer 1927-6-1 160 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  RSA180398  Cryptantha microstachys E. W. Lathrop 1965-5-9 5718 Riverside 6 miles W of Murrieta Comment
  RSA717464  Cryptantha microstachys Scott D. White 2006-4-28 11318 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR151242  Cryptantha microstachys Scott D. White 1999-6-6 7442 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
  UCR213616  Cryptantha microstachys A. C. Sanders, Matthew Malle 2010-4-23 38010 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UC1595614  Cryptantha muricata Steve Boyd 1991-5-20 6276 Riverside nw of Lake Elsinore (Lower Rice Canyon, just inside Cleveland National Forest boundary); Santa Ana Mountains, Lower Rice Canyon 573 Comment
  UCR264742  Cryptantha muricata Steve Boyd, Valerie Soza 2004-6-22 11544 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  UCR26485  Cryptantha muricata A. C. Sanders, S. Hagopian 1981-5-20 3132 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UCSB38651  Cryptantha muricata Cowan, Clark 1978-4-24 Riverside 19.6 mi. (31.3 km.) S on 74 from jct. w/ Hwy. 111 at Indian Wells Sta. Rosa Rd., 1 mi. (1.6 km.) S. of 74 Comment
  RSA0079426  Cryptantha muricata var. jonesii Robert Gustafson 1983-4-18 2501 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  JOTR30307  Cryptantha nevadensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1740 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  UC78604  Cryptantha pterocarya C. R. Orcutt Apr 1889 Riverside Colorado Desert Comment
  UC857250  Cryptantha racemosa Lewis S. Rose 1938-12-22 38338 Riverside 12 mi sw Cathedral City (Palms to Pines Highway); San Jacinto Mts. 457 Comment
  UCR41459  Cryptantha racemosa A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6129 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  SEINET8731259 Image available Cryptantha racemosa Lewis S. Rose 1938-1 38338 Riverside 12 mi. sw. of Cathedral City. Palms to Pines Highway, San Jacinto Mts. 457 Comment
  JOTR37475  Cryptantha utahensis Hodges, Stephen, T. Green 2016-5-5 596 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  RSA0126639  Cryptantha utahensis Duncan S. Bell 2016-3-4 8798 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
  RSA502188  Cucurbita foetidissima Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3714 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  UCR215592  Cucurbita palmata Jim Andre, T. La Doux 2008-9-16 10705 Riverside Mojave Desert, Joshua Tree National Park, on the northeast end of Splitock Picnic Area 1327 Comment
  UC1134206  Cupressus forbesii H. E. Norton 1931-3-20 40 A Riverside 4 mi se Corona; Corona Quad. 457 Comment
  UCR135987  Cuscuta californica A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27901 Riverside Peninsular Range, summit ridge of Alberhill Mountain, along dirt road 503 Comment
  UCR48365  Cuscuta indecora var. indecora Steve Boyd 1986-5-1 1811 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  UCR103779  Cuscuta pentagona Scott D. White 1994-10-21 2505 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  SD262267  Cuscuta salina Mitch Provance, John Hazlett 2017-4-27 417 25 Riverside Elsinore Trough: Baker St., 0.05 - 0.15 miles SE of Pierce St. A short distance along the northeastward SCE transmission route. 384 Comment
  RSA70999  Cuscuta umbellata F. W. Peirson 1932-11-26 9659 Riverside Thousand Palms Comment
  CLARK-A1528-2579  Cycloloma atriplicifolium John C. Roos 1965-9-26 Riverside Indio Comment
  JOTR35426  Cylindropuntia chuckwallensis Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-11 132 Riverside Joshua Tree National Park. Eagle Mountains; Eagle Mountain, northwest of peak Comment
  SD248373  Cylindropuntia chuckwallensis Michelle Cloud-Hughes 2013-3-17 87 Riverside Corn Springs 7.5'Q USGS quad. Corn Springs, north side of Chuckwalla Mountains; 12 km SSE of Deesrt Center, 85 km east of Indio, 67 km W of Blythe. 500 Comment
  UCSB18434  Cylindropuntia ganderi del Moral, Roger 1964-5-10 Riverside State Highway 74; 11.3 miles S of junction with State Highway 111 914 Comment
  RSA40565  Cymopterus panamintensis var. acutifolius J. C. Roos 1947-2-15 3243 Riverside Lost Palms Cyn. S face of Eagle Mtns., west of Hayfeilds. Comment
  UC816850  Cynodon dactylon Ivan Johnston 1917-4-4 1116 Riverside Palm Canyon; Colorado Desert, Palm Canyon Comment
  CDA2591  Cyperus esculentus G. D. Barbe 1973-10-19 1732 Riverside Marshburn Farms. Southeast corner of Van Buren and Road 62, west of Thermal. 0 Comment
  POM158187  Cyperus esculentus Phillip A. Munz 1928-9-6 11272 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA639265  Cyperus involucratus Robert F. Thorne 1965-4-4 41861 Riverside San Jacinto Mountains: Tahquitz Falls, Taquitz Canyon.. . Comment
  SBBG59187  Cyperus odoratus S. B. Parish 1891-11-3 Riverside Elsinore Lake Comment
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Aug 8 2010
  POM12678  Cyperus squarrosus Phillip A. Munz 1922-9-6 6382 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  SD227680  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns.: Morongo Indian Reservation, lower Millard Canyon 840 Comment
  CDA26958  Dalea mollis G. D. Barbe 1978-5-2 2364 Riverside 19.2 miles west of Cottonwood Springs Road, 4 miles west of Roadside Rest Area, eastbound lanes I-10 east of Indio. 0 Comment
  UC61549  Dalea mollis Miss Mary McKibben 1904-4-6 Riverside Mecca Colorado Desert, Mecca -60 Comment
  UC863726  Dalea mollissima C. L. Hitchcock 1940-3-29 5846 Riverside ca. 12 mi. e. Indio Comment
  CAS-BOT-BC283040  Dasyochloa pulchella Lewis S. Rose 1936-12-26 36831 Riverside 22 mi. E. of Indio, Indio-Blythe Road 762 Comment
  SBBG69371  Datisca glomerata V. Duran 1933-7-1 3494 Riverside near Santa Rosa Comment
  JOTR34378  Datura wrightii Andre, Jim 2012-4-16 20898 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA770445  Datura wrightii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4555 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA192215  Daucus pusillus E. W. Lathrop 1965-4-26 5684 -b Riverside 4 miles southwest of Murrieta. Comment
  RSA561892  Daucus pusillus Steve Boyd, Timothy S. Ross 1992-6-10 7635 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido , an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  UCR111967  Daucus pusillus A. C. Sanders, T. B. Salvato 2000-5-25 23397 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR250566  Daucus pusillus A. C. Sanders 2014-4-25 41067 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  UC480887  Deinandra fasciculata S. B. Parish 1916-7-8 10773 Riverside pass road to Riverside Comment
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Apr 16 2011
  CAS-BOT-BC294110  Deinandra kelloggii H. M. Hall 1905-6-1 6239 Riverside Hills east of Riverside Comment
  CAS-BOT-BC131036  Deinandra paniculata Mrs. J. D. Abrams 1901-5-20 2 Riverside Elsinore Comment
  SBBG34969  Delphinium parishii subsp. subglobosum T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  UCR193923  Delphinium parryi A. C. Sanders, Mitch Provance 2008-7-11 35786 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCSB1996  Delphinium parryi Mazzia, Linda 1960-5-14 Riverside 2.2 miles south of highway 70-99 on Banning to Idyllwild road 914 Comment
  RSA519205  Dendromecon rigida subsp. rigida M. Lee Overholtzer 1962-7-4 291 Riverside n end of Cleveland National Forest; roadside on Skyline Drive between Voits cabin and tv-radio station. 1311 Comment
  RSA773043  Descurainia pinnata subsp. halictorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5038 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 W116.66011 750 Comment
  JEPS9739  Dicentra chrysantha Marjorie D. Clary 1932-7-4 1214 Riverside Aguanga Valley 609 Comment
  POM306214  Dicentra chrysantha Henry J. Ramsey, Henry J. Ramsey 1938-5-7 s.n. Riverside Elsinore Comment
  UCR16447  Dicentra chrysantha K. Stolte 1978-5-28 s.n. Riverside 3-4 miles east of Junction of Hwy 79 and 371 ('71'), on Hwy 79 Comment
  UCR18534  Dichelostemma capitatum subsp. capitatum A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  SEINET7073345  Dichelostemma capitatum subsp. pauciflorum 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
  RSA501037  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3158 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA524231  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4025 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA314491  Dicoria canescens R. F. Thorne 1982-10-8 55356 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UC64816  Dicoria canescens E. E. Schellenger 1904-10-15 50 Riverside Whitewater Station 0 Comment
  UCR85283  Dicoria canescens Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  UC1422542  Dieteria canescens var. ziegleri Jeanine Derby and Tim Krantz 1977-10-13 Riverside on 7SO2 3.6 mi se junction with highway 74 turnoff to Santa Rosa Peak; Santa Rosa Mts. 2377 Comment
  CAS-BOT-BC209014  Digitaria sanguinalis Mary F. Spencer 1919-7-6 1265 Riverside Lacquitz Meadow, San Jacinto Mts. 2377 Comment
  RSA0019403  Diplacus fremontii James L. Reveal, C. Rose Broome 1987-6-27 6609 Riverside San Jacinto Mtns, along California Hwy 243, 1.8 miles N of Mountain Center and 2.7 miles S of Idyllwild. 1494 Comment
  RSA0018434  Diplacus longiflorus var. calycinus Christopher Davidson 1975-6-16 2803 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  RSA0018429  Diplacus longiflorus var. longiflorus Scott D. White 2004-4-26 10264 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  CAS-BOT-BC195677  Distichlis spicata Frank W. Peirson 1922-4-29 4541 Riverside South of Lake Elsinore Comment
  JOTR34093  Ditaxis lanceolata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2671 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  LA204864  Ditaxis lanceolata F. M. Scott; 1928-3-24 sn Riverside Painted Canyon, Colorado Desert Comment
  RSA102324  Ditaxis lanceolata S. B. Parish, W. F. Parish 1882-04 19 Riverside Mts. in back of Agua Caliente. Comment
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Jul 12 2010
  RSA721887  Ditaxis lanceolata J. Mark Porter, Orlando Mistretta 2003-6-5 13616 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  RSA719244  Ditaxis lanceolata Michael Honer, Lincoln Hulse 2004-4-3 1908 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
  RSA784936  Ditaxis neomexicana Duncan S. Bell 2012-2-12 3104 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  JEPS52437  Ditaxis serrata W. L. Jepson 1928-4-25 12630 Riverside Pinto Basin, S Mohave Desert 822 Comment
  RSA0104608  Ditaxis serrata var. californica Duncan S. Bell, Evan Meyer 2014-10-29 7676 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
  CAS-BOT-BC43653  Dithyrea californica Alice Eastwood 1913-4-30 2987 Riverside Palm Springs. Comment
  RSA23216  Dithyrea californica Ernest Braunton 1940-01 s.n. Riverside 15 miles E of Indio. Comment
  RSA530738  Dithyrea californica Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  RSA530743  Dithyrea californica M. B. Dunkle 1934-2-25 3845 Riverside Cathedral Canyon. Colorado Desert. 152 Comment
  UC1126910  Dithyrea californica H. S. Yates 1936-4-2 5419 Riverside near Palm Springs; San Jacinto Quadrangle Comment
  UC186810  Dithyrea californica S. B. and W. F. Parish April 1882 15 Riverside Whitewater, borders of the Colorado Desert Colorado Desert Comment
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Jul 15 2009
  CAS-BOT-BC136110  Dodecatheon alpinum Carl B. Wolf 1932-8-5 3962 Riverside 1st Real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak - San Jacinto Mountains 2743 Comment
  SEINET3088585 Image available Dodecatheon clevelandii Ed LaRue 1989-3-30 sn Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  RSA336066  Downingia bella R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51983 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UC10473  Draba corrugata var. saxosa H. M. Hall 1897-7-21 703 Riverside San Jacinto Mts. 3293 Comment
  RSA530891  Draba saxosa Albert J. Perkins 1917-7-19 s.n. Riverside Summit San Jacinto Pk. 3293 Comment
  UC12559  Drymocallis lactea var. lactea H. M. Hall July 1901 2400 Riverside in meadows or along creeks Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2804 Comment
  RSA423468  Dudleya Lester H. Cushman 1932-5-8 s.n. Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  CAS-BOT-BC427976  Dudleya arizonica S. B. Parish; W. F. Parish 1882-4-1 588 Riverside Borders of the Colorado Desert, Whitewater Comment
  SD181579  Dudleya lanceolata Valerie Soza, LeRoy Gross 1999-6-10 508 Riverside Santa Ana Mountains, upper side of Indian Truck Trail, 2.5 miles from junction with Main Divide Motorway. Open north-facing slope above dirt road. 975 Comment
  UCR123761  Dudleya lanceolata Steven R. Hill 2001-4-29 33547 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
  RSA6657  Dudleya saxosa subsp. aloides B. D. Stark 1933-4-2 s.n. Riverside 3 miles below Pinyon Flats, San Jacinto Mts. (Palms to Pines Road). 1066 Comment
  RSA773038  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5046 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  UCR281561  Dysphania ambrosioides Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 82 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  SEINET5497458 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17368 .1 Riverside along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild 1445 Comment
  POM12619  Echinocereus engelmannii var. munzii P. A. Munz, I. M. Johnston 1922-5-21 5570 Riverside Hemet Valley, San Jacinto Mountains 1418 Comment
  SEINET3928569  Echinochloa crus-galli A. C. Sanders, D. Bramlet 1999-10-15 23170 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles E of Jackrabbit Trail on Gilman Springs Rd., 1.4 miles S of Eden Hot Spr.; 0 433 Comment
  UCR6147  Echinochloa crus-galli C. M. Bringle, O. F. Clarke, et al. 1967-5-18 s.n. Riverside Santa Ana River bottom. Along banks of river behind Herrs' residence, 5453 Grassy Trails Drive. Taking path leading from pasture behind house, turn right at first fork and proceed along riverbank 229 Comment
  UCR95726  Echinochloa crus-galli D. L. Banks, Lauren Raz 1996-8-29 1134 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  POM119234  Echinodorus cordifolius S. B. Parish 1891-11-3 2246 Riverside Elsinore Lake. Comment
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Aug 8 2010
  RSA750102  Eichhornia crassipes R. E. Riefner 2009-2-25 9 -18 Riverside city of Lake Elsinore, south side of Temescal Wash, west of Hwy 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  UCR60762  Elatine californica R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51987 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  SEINET11987369  Elatine californica R. F. Thorne 1969-1 37967 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  UC1754  Eleocharis acicularis H. M. Hall Jul 1 1901-Aug 1 1901 2495 Riverside Lake Surprise San Jacinto Mountains (shores) 2499 Comment
  UCR15634  Eleocharis acicularis var. acicularis George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  CAS-BOT-BC112738  Eleocharis geniculata H. M. Hall; L. A. Greata 1905-5-1 5984 Riverside Dos Palmas, Colorado Desert Comment
  UCR110916  Eleocharis macrostachya A. C. Sanders, K. C. Rose 1999-6-18 22818 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  CAS-BOT-BC33443  Eleocharis parishii Samuel Bonsal Parish 1882-4-1 1569 Riverside Palm Springs, Colorado Desert. Tranquility Canyon. Comment
  SD137953  Elymus X gouldii Darin L. Banks, Steve Boyd 1995-10-17 779 Riverside 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
  SD71848  Elymus condensatus Helen V. Witham 1969-7-2 193 Riverside dry flat, on De Luz Creek 7 miles south of Murietta on road to De Luz 299 Comment
  JOTR36416  Elymus elymoides subsp. brevifolius La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3362 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  JOTR35510  Elymus elymoides subsp. elymoides La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3197 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  CAS-BOT-BC203642  Elymus glaucus subsp. glaucus S. B. Parish; W. F. Parish 1881-7-1 1014 Riverside San Jacinto Mts., Tahquitz Valley Comment
  RSA595261  Elymus glaucus subsp. jepsonii D. L. Banks, Elizabeth Hedge Banks 1996-5-2 943 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  SD136948  Elymus multisetus Steve Boyd, Tim Ross 1992-6-10 7628 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. About Potrero Escondido, due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UCR2366  Elymus triticoides F. M. Reed 1908-7-13 2477 Riverside San Jacinto Mtns., ridge above Tahquitz Valley 2835 Comment
  UCR2371  Elymus triticoides F. M. Reed 1904-6-5 167 Riverside Riverside, outlet to dam in Fairmont Park Comment
  CHSC101910  Emmenanthe penduliflora Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10461 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: east side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  OBI29870  Emmenanthe penduliflora Melissa Luckow, Rhonda Riggins 1982-4-15 831 Riverside hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  RSA25342  Emmenanthe penduliflora C. L. Hitchcock 1940-4-1 5900 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA648274  Emmenanthe penduliflora Tamara Joy Hanna 1991-5-19 48 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 miles from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  UC665883  Emmenanthe penduliflora Ira L. Wiggins 1941-3-27 9694 Riverside 4 miles north of Whitewater Comment
  CAS-BOT-BC131165  Encelia actoni H. M. Hall 1901-6-1 2007 Riverside San Jacinto Comment
  JEPS34115  Encelia californica C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-4-15 4737 Riverside Gavilan Peak 500 Comment
  POM4956  Encelia californica H. M. Hall 1902-04 2922 Riverside Vicinity of Riverside 366 Comment
  UCR120157  Encelia californica Mitch Provance 1998-2-28 118 Riverside Jurupa Mountains, NW 'Wilder's Canyon', 0.2 km SE of pk 1538, along slopes on the NW side of the Stringfellow Acid Pits. 366 Comment
  CLARK-A1528-1809  Encelia farinosa John C. Roos 1952-4-9 5509 Riverside Riverside 335 Comment
  LA205845  Encelia farinosa F. R. Fosberg; 1932-3-13 8067 Riverside Coachella Valley, Thousand Palms Canyon Comment
  SBBG52758  Encelia farinosa N. C. Cooper 1944-4-8 1094 Riverside Andreas Cyn 304 Comment
  UCR279353  Encelia farinosa var. farinosa A. C. Sanders, Jim Malusa 2017-3-23 42931 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  CAS-BOT-BC131414  Encelia frutescens L. R. Abrams 1926-3-26 11119 Riverside Between Edom and Garnet, East of San Gorgonio Pass Comment
  POM289822  Encelia frutescens Lyman Benson 1933-3-31 4191 Riverside Salton Sea-Imperial Co. line. 61 Comment
  SEINET10616295  Encelia frutescens Billy Joe Cox 1975-4-23 Cox 4126 Riverside Palo Verde, 1-3 km. W, (ca. 32 mi. S of Blythe). Riverside-Imperial Counties. 70 Comment
  HSC66449  Ephedra californica Christopher Davidson, B. Gustafson 1977-4-7 5575 Riverside Whitewater Canyon Rd., (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near Start of Angeles [actually Pacific] Crest Trail. Hillside, N slope 610 Comment
  SEINET5869097 Image available Ephedra californica C. E. Jones, N. Rojas 2001-1 JSR 2 Riverside Whitewater Canyon Rd, 0.7 mi N of jct with Whitewater Cut-off from Interstate Hwy 10, E side of rd, in wash below small substation. Comment
  SEINET6082341  Ephedra nevadensis Unknown 1956-2-24 7175 Riverside Pines to Palms Highway. Ca 0.45 mi downhill from the 3000 ft. marker. Comment
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Oct 24 2015
  UC1929705  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  JOTR00968  Ephedra viridis Cole, James E. 1941-4-10 509 Riverside Joshua Tree National Park. TWIN TANKS 1158 Comment
  UCR40150  Epilobium canum Steve Boyd 1985-8-7 1109 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  RSA48880  Epilobium canum subsp. latifolium L. Roos 1949-9-17 4661 Riverside Palm oasis, side canyon on east side Whitewater Wash on west slope of Painted Hill, 2.2 mi. north of Hwy 99. 610 Comment
  RSA448475  Epilobium ciliatum Louis C. Wheeler 1932-7-9 928 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR155041  Epilobium ciliatum A. C. Sanders, Kelly Volansky 2005-3-17 29227 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
  UC454597  Epilobium oregonense I. J. Condit 1910-6-21 Riverside Tahquitz camp San Jacinto Mts (in meadow) 2438 Comment
  UCR128305  Equisetum arvense Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8627 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA740836  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-7-8 12398 Riverside Johnson Meadow. 1439 Comment
  CDA2087  Eragrostis cilianensis Steve Boyd 1989-7-9 3770 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  JOTR29223  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2005-9-15 1336 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  UC38340  Eragrostis cilianensis H. M. Hall August, 1899 1366 Riverside Riverside Comment
  UCR139981  Eragrostis pectinacea var. pectinacea A. C. Sanders 2004-8-10 28767 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR2390  Eragrostis pectinacea var. pectinacea F. M. Reed 1907-9-10 1908 Riverside City of Riverside. Little Arroyo on Bluffs Ranch. [Bluffs Ranch was located along Arroyo Tesquesquite at Chicago Ave.] 293 Comment
  RSA0015415  Eremalche exilis Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA192164  Eremocarpus setiger E. W. Lathrop 1959-9-11 4649 Riverside 14 miles west of Murrieta. Comment
  SBBG6260  Eremocarya micrantha H. and M. Dearing 1942-2-5 4791 Riverside Cathedral City Comment
  UCR245261  Eremothera boothii subsp. condensata Jim Andre 2012-3-19 21308 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  CAS-BOT-BC160221  Eremothera boothii subsp. desertorum N. Aitkenhead 1977-2-2 2179 Riverside ~1 mi. from inter. of JT Mon Rd & pipeline Comment
  CDA37644  Eremothera boothii subsp. desertorum M. S. Wasbauer 1960-3-27 Riverside Shaver Summit. 0 Comment
  JOTR34036  Eremothera refracta La Doux, Tasha, M. Harding 2010-4-7 2920 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UCR199610  Eriastrum densifolium subsp. austromontanum Scott D. White, Angelia Carey 2004-7-2 10569 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR126207  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-5-29 123 Riverside San Jacinto Mtns., Old Banning-Idyllwild Road, 0.4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road 683 Comment
  SD146199  Eriastrum densifolium subsp. elongatum Mitch Provance 1998-6-6 686 B Riverside Jurupa Mountains; Jensen Quarry, Sunnyside area on west side of Sioerra Blvd., just east of corner of 29th St. and Scenic Drive. 299 Comment
  CLARK-A1528-702  Eriastrum eremicum C. M. Flanagan 1973-5-12 OO 41 Riverside San Jacinto Mountains 853 Comment
  UC998336  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside corner of Indian Ave and Ramon Road; Palm Springs Comment
  RSA0120074  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave. and Ramon Road, Palm Springs. Comment
  RSA0120682  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 mi south of Rice on the Blythe road. 213 Comment
  OBI033505  Eriastrum sapphirinum subsp. dasyanthum R. Thomasson 1973-5-30 Riverside Box Springs Mtns., Box Springs Mtn. Rd. 1 mi. from Pigeon Pass Rd., dry, flat area 686 Comment
  RSA0121587  Eriastrum sapphirinum subsp. dasyanthum J. C. Roos 1965-6-13 s.n. Riverside San Jacinto Valley, Valle Vista (east of Hemet). Comment
  SD148098  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2001-5-3 24094 Riverside Perris-Aguanga Basin region; Hemet, southeast corner of State Street at Gibbel at east end of Diamond Valley. 494 Comment
  UCR82768  Ericameria cuneata A. C. Sanders, T. Schram 1994-10-6 15785 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  POM351940  Ericameria nauseosa var. bernardina A. J. Gredell 1915-07 s.n. Riverside San Bernardino Mts. Comment
  SD68978  Ericameria pachylepis E. W. Lathrop 1965-10-24 6024 Riverside 8 miles west of Murrietta. 609 Comment
  SBBG119024  Ericameria palmeri var. pachylepis S. D. White with M. Honer 2004-4-6 10047 Riverside Temescal Valley, just N of the I-5 and E of Indian Truck Trail, S and W of Lee Lake (Alberhill: 33 deg 45'N, 117 deg 26'30"W; T5S R5W S7, SW1/4, and adjacent S 12) 335 Comment
  UC750652  Ericameria paniculata Lewis S. Rose 1945-12-25 45319 Riverside 2 mi ne Garnet; Colorado Desert Comment
  UC894829  Ericameria paniculata Carl B. Wolf 1932-10-13 Riverside 0.5 mi before reaching Cottonwood Springs; Colorado Desert, Eagle Mts. 289 Comment
  UCR22309  Ericameria parishii Steve Boyd 1980-12-20 367 Riverside Peninsular Range, Gavilan Hills, Gavilan plateau, radio tower ridge south of Gavilan Peak Comment
  UCR89884  Ericameria pinifolia A. C. Sanders 1995-11-26 17908 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  RSA708569  Erigeron foliosus Scott D. White, Jennifer H. Jones 2005-5-24 11095 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  UCR220150  Erigeron foliosus D. E. Bramlet 1989-5-15 1858 Riverside Peninsular Range, North Domenigoni Hills, near top of knoll 2184, 5600 ft. north of Newport Road and 9200 ft. east of the MWD canal 622 Comment
  UCSB51409  Eriochloa aristata Roos, John 1965-9-26 Riverside Indio Comment
  CAS-BOT-BC189087  Eriodictyon crassifolium Peter H. Raven 1959-4-23 14017 Riverside 1.2 miles W of Dripping Springs Comment
  CSUSB104  Eriodictyon crassifolium Kheng Try Seng 1966-4-13 660413 13 Riverside Santa Ana Mountains Northeast slope of Santa Ana Mountain. End of Main Street, 4 miles from downtown Corona. 457 Comment
  HSC47469  Eriodictyon crassifolium Richard Spjut, C. E. Edson 1978-5-5 5022 Riverside Between Idyllwild and Banning along Hwy. 243 in the San Jacinto Mtns. 1220 Comment
  RSA455024  Eriodictyon crassifolium H. de Forest 1933-4-17 17595 Riverside Chino Canyon, Colorado Desert. Comment
  SD4124  Eriodictyon crassifolium Fidella G. Woodcock 1926-3-15 Riverside Palm Springs (mak 7/07) Comment
  UCR234245  Eriodictyon crassifolium A. C. Sanders, T. B. Salvato 2012-4-27 40091 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  CAS-BOT-BC189124  Eriodictyon crassifolium var. crassifolium Milo S. Baker 1928-4-3 2836 b Riverside Tahquitz Canon [Canyon] near Palm Springs Comment
  UC455938  Eriodictyon crassifolium var. crassifolium I. J. Condit 1910-6-24 Riverside San Jacinto Mts. Comment
  JOTR34095  Eriogonum angulosum Herskovits, Tasya 2011-9-28 1 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Keys View; Burn area on gentle rocky slopes 1582 Comment
  CAS-BOT-BC249030  Eriogonum davidsonii A. C. Sanders 2008-7-25 35919 Riverside Peninsular Range; San Jacinto Mtns.: east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  UCR20541  Eriogonum davidsonii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR233548  Eriogonum deflexum var. deflexum Jim Andre, Glenn L. Clifton 2011-2-22 17415 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  SD137668  Eriogonum elongatum var. elongatum Darin L. Banks, Steve Boyd 1995-10-17 772 Riverside Agua Tibia Mountains: Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, S of the Dripping Springs Campground on broad benches N of where Arroyo Seco turnes to the E 512 Comment
  UC85772  Eriogonum elongatum var. elongatum J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC249900  Eriogonum fasciculatum var. flavoviride Annie M. Alexander; Louise Kellogg 1941-5-15 2190 Riverside Colorado Desert. North base of Eagle Mountains 914 Comment
  UC218175  Eriogonum fasciculatum var. flavoviride P. A. Munz, D. Keck 1922-4-13 4949 Riverside Eagle Mtns. Colorado Desert, Eagle Mtns. 243 Comment
  CHSC89852  Eriogonum fasciculatum var. foliolosum L. P. Janeway 2004-5-8 8078 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon; along Wildomar Road 0.8 km east of its crossing of Los Alamos Creek. 488 Comment
  RSA393432  Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-6-9 C 2073 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA569010  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-6-17 1410 Riverside Banning. 701 Comment
  POM2235  Eriogonum fasciculatum var. polifolium I. M. Johnston 1917-6-5 1240 Riverside Hills south of Arlington 366 Comment
  POM308609  Eriogonum fasciculatum var. polifolium Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3223 Riverside Near Desert Center. Comment
  SD229220  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 884 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  POM97992  Eriogonum fasciculatum var. polifolium E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts 976 Comment
  SD136782  Eriogonum gracile Steve Boyd 1994-10-14 8379 Riverside San mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon, NW/4 sec 28 462 Comment
  UC64569  Eriogonum gracile H. M. Hall 1897-8-29 866 Riverside Riverside Comment
  RSA487225  Eriogonum gracile var. incultum James L. Reveal, C. Rose Broome 1987-6-27 6614 Riverside San Jacinto Mountains, along Morris Ranch Road, 1.9 mile northeast of California Hwy 74 and about 1.5 mile northeast of Kenworthy Guard Station, about 8 airline miles southeast of Mountain Center. 1585 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
  UCR12003  Eriogonum inflatum W. Shapeero 1954-4-28 s.n. Riverside Mojave Desert, Joshua Tree National Monument [Park] Comment
  POM49276  Eriogonum molestum Mary F. Spencer 1919-7-1 1375 Riverside Idyllwild. 1616 Comment
  CAS-BOT-BC269783  Eriogonum nudum var. pauciflorum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  JOTR35371  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. just east of Inspiration Point, localized population in canyon 1620 Comment
  SEINET3289844 Image available Eriogonum nudum var. pauciflorum M. W. Denslow, Firoozeh Navid-Ara; Valeria Soza 2003-7-13 1455 Riverside Penninsular Ranges; San Jacinto Mountains region: East of Idlyllwild, along South Ridge Road (5S11 rd.) on west facing slope. 1890 Comment
  UCR104041  Eriogonum pusillum George K. Helmkamp 1998-4-3 3066 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR276657  Eriogonum pusillum Jim Andre 2015-3-6 33564 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
  CAS-BOT-BC253021  Eriogonum reniforme Geo. B. Grant 1906-4-20 6751 Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC263525  Eriogonum thomasii P. C. Everett; E. K. Balls 1958-4-29 22960 Riverside U.S. Hwy. 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy. 99 121 Comment
  JOTR35092  Eriogonum thomasii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3543 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  JOTR37422  Eriogonum thomasii La Doux, Tasha 2016-3-9 3658 Riverside Above Hayfield Dry Lake - Stop 1 509 Comment
  POM2312  Eriogonum thomasii I. M. Johnston 1917-4-4 1091 Riverside Near Palm Springs. Comment
  UCR16512  Eriogonum thomasii David Eslinger 1970-4-25 s.n. Riverside Colorado, 2 mi. N [of junction of] Interstate Hwy 10 and State Hwy 195 into Joshua Tree National Monument [now J.T.N. Park], 200 ft. NW of road 610 Comment
  UCR165820  Eriogonum thomasii 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
  UCSB1538  Eriogonum thomasii Haller, John 1960-4-2 Riverside north base of Orocopia Mtns; 1.3 miles south of the junc. of US 60-70 and the south entrance road to Joshua Tree Nat. Mon 487 Comment
  RSA718297  Eriogonum thomasii Michael Honer, L. Hulse 2004-4-2 1878 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  UC412809  Eriogonum thurberi R. L. Pendleton 1906-5-27 966 Riverside Santa Ana River above Salt Lake bridge; Santa Ana River Comment
  SEINET5331712  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Fairmount Park. 244 Comment
  SEINET6894828  Eriogonum thurberi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  UCR249506  Eriogonum trichopes T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7286 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
  SEINET3085992 Image available Eriogonum wrightii H. Dearing, M. Dearing 1941-11-29 4775 Riverside Cathedral Canyon 6 miles East of Palm Springs Comment
  RSA0029099  Eriogonum wrightii subsp. subscaposum John F. Emmel 1994-9-25 1356 Riverside Black Mountain Scenic Area: along Pacific Crest Trail, on ridge NNE of Black Mountain. 2073 Comment
  RSA246  Eriogonum wrightii var. membranaceum J. T. Howell 1927-8-2 556 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  UCR82838  Eriogonum wrightii var. nodosum A. C. Sanders, P. J. MacKay 1994-10-23 15845 Riverside San Bernardino Mtns., Between the trout hatchery and Bonnie Bell 780 Comment
  CHSC60219  Erioneuron pulchellum J. Lund 1980-4-2 Riverside Found 4.0 miles east of Meca on south side of road in a wash. 45 Comment
Read comments
May 29 2011
  CAS-BOT-BC297351  Eriophyllum confertiflorum P. C. Everett 1935-6-18 7185 Riverside Santa Ana Mts, main divide motorway to Santiago Peak, 1 mile from Ortega Highway 731 Comment
  POM12793  Eriophyllum confertiflorum P. A. Munz 1922-6-27 5857 Riverside Santa Rosa, Santa Rosa Mts. 2012 Comment
  POM13391  Eriophyllum confertiflorum E. C. Jaeger 1921-4-5 s.n. Riverside Mission Creek. Comment
  UCR177115  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1107 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR274302  Eriophyllum confertiflorum T. B. Salvato, Melissa Clemons 2005-6-6 1422 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
  UCR92389  Eriophyllum confertiflorum F. M. Reed 1926-5-15 5368 Riverside Peninsular Range, Foothills south of Menifee 579 Comment
  CAS-BOT-BC301788  Eriophyllum multicaule P. A. Munz; R. D. Harwood 1920-3-20 3386 Riverside Temescal Canyon 365 Comment
  POM8304  Eriophyllum multicaule P. A. Munz, R. D. Harwood 1920-3-20 3386 Riverside Temescal Canyon. 366 Comment
  UC896340  Eriophyllum multicaule I. W. Clokey 1935-4-18 6987 Riverside Gavilan Gavilan (brushy meadow) 600 Comment
  UCR152630  Eriophyllum multicaule A. C. Sanders 2005-4-22 29585 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR266473  Eriophyllum multicaule Mitch Provance, Matt Amalong 2015-3-25 315- 34 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR49266  Eriophyllum multicaule Steve Boyd 1986-4-2 1638 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CAS-BOT-BC296931  Eriophyllum wallacei Scott D. White 1996-4-14 3907 Riverside Perris Basin, E OF HEMET: San Jacinto River Wash near Valle Vista, N of Hwy 74, ca. 1.7 mi W of USFS Cranston Fire Station. Riverwash and alluvial benches 548 Comment
  POM14085  Eriophyllum wallacei P. A. Munz, D. D. Keck 1922-4-14 4981 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM308430  Eriophyllum wallacei Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3069 Riverside Santa Rosa Mts. Comment
  SD204817  Eriophyllum wallacei Sarah J. De Groot, J. Mark Porter 2006-3-14 5195 Riverside Along Snow Creek Road, off Highway 111, about one mile from Snow Creek Village. 366 Comment
  UCR87616  Eriophyllum wallacei A. C. Sanders 1994-5-29 14579 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UCR98698  Erodium botrys S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  CSUSB47  Erodium cicutarium Kirby W. Brown 1966-4-7 Riverside Highway 71, 6.8 miles east of Temecula. 365 Comment
  UCR177860  Erodium cicutarium Marisa Sripracha, K. A. Boyd 2004-3-21 042 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA652317  Erodium cicutarium G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  RSA681034  Erodium texanum Scott D. White, Michael Honer 2003-5-14 9270 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA336175  Eryngium aristulatum var. parishii R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51968 Riverside Santa Rosa Plateau: Mesa de Colorado 609 Comment
  UCR14767  Eryngium aristulatum var. parishii A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 676 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado, intersection of Avocado Mesa Rd. & Los Gatos Rd. 623 Comment
  RSA530203  Erysimum capitatum var. capitatum N. C. Cooper 1944-5-20 1227 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA530205  Erysimum capitatum var. capitatum N. C. Cooper 1945-5-24 1621 Riverside Big Oaks Canyon, Banning. 1219 Comment
  SD229114  Erysimum capitatum var. capitatum Dick Schwenkmeyer 2012-4-18 698 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  RSA0020088  Erythranthe floribunda Scott D. White 1999-6-6 7441 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA0019306  Erythranthe guttata Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 638 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0015878  Erythranthe moschata E. C. Jaeger 1921-6-21 s.n. Riverside Idyllwild. 1585 Comment
  SD138803  Erythranthe parishii Craig Reiser 1993-4-25 Riverside Near Aguanga, floodplain of Temecula Creek southeast of the Aguanga Store Comment
  UCR78439  Eschscholzia caespitosa Scott D. White 1993-4-20 1200 Riverside Estelle Peak, Gavilan Hills 826 Comment
  SEINET13710935  Eschscholzia californica S. W. Austin, S. W. Austin 1969-1 27 Riverside W Side of Mts, E of Rr Tracks & N of RaviNE North of Big Springs Rd, Above 2000 Ft 610 Comment
  UCR213429  Eschscholzia glyptosperma A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37437 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  CAS-BOT-BC83131  Eschscholzia minutiflora Annie M. Alexander; Louise Kellogg 1941-5-15 2179 Riverside North base of Eagle Mountains. 914 Comment
  CAS-BOT-BC83138  Eschscholzia minutiflora Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert. Comment
  CAS-BOT-BC83178  Eschscholzia minutiflora Ynez Whilton Winblad 1937-3-21 s.n. Riverside Box Canyon, Coachella Valley. Comment
  UCSB3653  Eschscholzia minutiflora Ralph, F. 1960-4-1 Riverside Whitewater Canyon; 1.6 miles north of U.S. Hwy 99; Western edge of Colorado Desert Comment
  CAS-BOT-BC419646  Eschscholzia parishii Richard Snow 1953-4-5 51 a Riverside Box Canyon Comment
  RSA0022916  Eschscholzia parishii P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  UC1595704  Eschscholzia parishii W. Wisura, J. Dolan, and M. Wall 1992-3-24 4627 Riverside 10 mi ne Mecca (on Box Canyon Rd.); Lowdesert Comment
  UC855198  Eschscholzia parishii I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs Comment
  UCR279520  Eschscholzia parishii A. C. Sanders, Jim Malusa 2017-3-27 43120 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  JOTR00873  Eschscholzia parishii Sipe, Frank 1958-3-10 210 Riverside Joshua Tree National Park. PINTO BASIN Comment
  JOTR01022  Eschscholzia parishii Cole, James E. 1941-4-23 637 Riverside Joshua Tree National Park. WEST END OF PINTO BASIN 609 Comment
  RSA0022923  Eschscholzia parishii Steve Boyd, Orlando Mistretta 1986-3-13 1452 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA516756  Eucrypta chrysanthemifolia Ed LaRue 1989-4-25 s.n. Riverside 4 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR239196  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill, A. C. Sanders 2001-5-4 33709 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  SEINET7048199  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33709 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
  JEPS1700  Eucrypta micrantha L. M. Newlon 1933-4-4 453 Riverside Palm Canyon; San Jacinto Mts. Comment
  SEINET3409352  Eucrypta micrantha G. Rink, T. Thomas 2013-3-30 11921 Riverside About 3 miles east of Desert Center 210 Comment
  OBI45308  Euphorbia albomarginata Karin Cleary 1987-5-21 68 Riverside San Jacinto; S side of Gilman Springs Rd. .4 km SE of the intersection of Gilman Springs Rd and Bridge St 463 Comment
  UCR264217  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-9-10 41864 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  SD229139  Euphorbia lurida Dick Schwenkmeyer 2012-8-7 777 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR111584  Euphorbia maculata Mitch Provance 1999-1-23 1742 Riverside Jurupa Mountains, Along roadside at corner of Crestmore Rd. and Rubidoux Blvd. 262 Comment
  UCR166195  Euphorbia ocellata var. arenicola Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  JEPS51904  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1307 Riverside Strawberry Valley; Mt. San Jacinto Comment
  PASA695  Euphorbia palmeri Sally Ellis 1939-6-22 Riverside Halona Comment
  PASA701  Euphorbia polycarpa 4/28 Riverside Hidden Springs Comment
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Jun 24 2016
  RSA697601  Euphorbia polycarpa Elisabeth Norland 1930-5-18 2 Riverside Shavers Well Comment
  UCR139613  Euphorbia polycarpa A. C. Sanders 2004-7-1 28384 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  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
  SD143859  Eustoma exaltatum A. C. Sanders, C. L. Sanders, S. White 1994-10-9 15811 Riverside San Bernardino Mountains:Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell, in wet soil near spring 550 Comment
  SDSU11512  Fagonia chilensis var. laevis A. H. Gallup 1949-3-28 376 Riverside Near Palms to Pines Hwy. 732 Comment
  CAS-BOT-BC171045  Fagonia laevis John H. Thomas 1957-3-30 6545 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella, Colorado Desert 426 Comment
  SEINET3004976  Fagonia laevis G. Rink, M. Baker 2011-3-31 10402 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 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
  SEINET3071532 Image available Fagonia laevis Andrew C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay & C. L. Sanders 1995-1 15922 Riverside Sonoran (Colorado) Desert; Coachella Valley, mouth of Fargo Canyon, Little San Bernardino Mtns., 1.2 mi. above junction with Aqueduct Road. 370 Comment
  SD45871  Ferocactus cylindraceus var. cylindraceus George E. Lindsay 1954-4-1 2059 Riverside 10 miles north of Shavers Well. Growing on well drained alluvial slopes. (IPB 8/07) Comment
  UCR225588  Festuca microstachys A. C. Sanders, T. B. Salvato 2011-3-29 38868 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR228926  Festuca microstachys A. C. Sanders 2011-4-6 39023 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between freeway and SCE substation, SE of Glen Ivy Hot Springs 329 Comment
  UCR225580  Festuca myuros A. C. Sanders, T. B. Salvato 2011-3-29 38869 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR23935  Festuca myuros John C. Roos, L. Roos 1950-4-15 4741 Riverside Peninsular Range, Box Springs Mtns., Pigeon Pass 457 Comment
  POM157906  Filago californica P. A. Munz 1927-5-20 10814 Riverside 10 miles south of Hemet Comment
  UCR133971  Filago californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 944 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  JEPS44673  Fragaria vesca Carl V. Meyer Jun 1927 195 Riverside San Jacinto Mt. Comment
  UC219319  Fragaria vesca P. A. Munz 1922-6-27 5855 Riverside Santa Rosa; Santa Rosa Mts. 2011 Comment
  UC454004  Fragaria vesca I. J. Condit 1910-6-24 Riverside Strawberry Valley; San Jacinto Mountains 1524 Comment
  CAS-BOT-BC62969  Frangula californica subsp. tomentella Louis C. Wheeler 1931-10-4 206 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  SBBG50235  Frankenia salina A. C. Sanders with K. Knudsen, T. B. Salvato 2004-5-18 27896 Riverside Temescal Crk in Walker Cyn, at foot of Alberhill Mtn 378 Comment
  SD146251  Frankenia salina A. C. Sanders, D. Bramlet, et al. 1999-10-15 23185 Riverside San Jacinto Valley; Mystic Lake. 436 Comment
  UCR59803  Frankenia salina Jeri Hirshberg 1989-7-20 s.n. Riverside Vicinity of Lake Skinner: drainage west of dam 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
  UC63830  Fraxinus dipetala unknown 1897-4-16 461 Riverside near Banning 1219 Comment
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Mar 13 2011
  CAS-BOT-BC211019  Fraxinus velutina I. M. Johnston 1917-12-1 1804 Riverside Santa Ana River N.W. of Corona 182 Comment
  UC55739  Fraxinus velutina H. M. Hall 1898-6-28 959 Riverside e of Kenworthy (s side of San Jacinto Mts.); San Jacinto Mts. Comment
  RSA552727  Fritillaria biflora Steve Boyd, Timothy S. Ross 1992-3-31 6769 Riverside Santa Ana Mountains, Elsinore Peak. 1012 Comment
  RSA557902  Fritillaria biflora Steve Boyd, Orlando Mistretta 1992-4-22 7013 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  HSC101559  Funastrum cynanchoides var. hartwegii J. P. Smith, J. O. Sawyer 2009-11-30 12699 Riverside 584 Comment
  POM12997  Funastrum cynanchoides var. hartwegii P. A. Munz, I. M. Johnston 1922-5-21 5548 Riverside 4 mi. N.E. of San Jacinto. Base of hills. Comment
  JOTR36481  Funastrum hirtellum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3441 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  RSA0124372  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2016-3-31 9194 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  UCR133424  Galium angustifolium Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 208 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR187480  Galium angustifolium Diane Menuz 2006-6-6 130 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Miller Canyon, 1 hour hike from road 549 Comment
  JEPS56075  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4177 Riverside Hwy 79 10.1 mi s Hemet (e-facing slope in hills) 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
  CAS-BOT-BC223053  Galium angustifolium subsp. gracillimum H. K. Wagnon 1944-5-25 402 Riverside Along Tahquitz Creek, alluvial fan of Tahquitz Canon [Canyon], Palm Springs Comment
  JOTR29191  Galium angustifolium subsp. gracillimum La Doux, Tasha 2005-8-8 1524 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Eureka Peak 1676 Comment
  POM367764  Galium aparine N. C. Cooper 1944-5-24 1664 Riverside Big Oaks Canyon, Banning. 1220 Comment
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Oct 30 2011
  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
  UCR193730  Galium porrigens A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35643 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  CAS-BOT-BC500428  Galium stellatum subsp. eremicum A. C. Sanders; Jim Malusa 2015-3-11 41407 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, side canyon draining from the NE into large canyon contaiing the Gasline Rd, c. 2.5 mi N of the Imperial Co. line, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  UCR109782  Gamochaeta pensylvanica R. D. Goeden, Don W. Ricker 1972-5-20 s.n. Riverside Riverside, UCR Campus, outside insectary building near Entomology 341 Comment
  RSA645880  Garrya A. C. Sanders, E. J. Lott 1992-6-12 12406 Riverside Birmingham Ranch in Water Canyon, a tributary from the N of Wildwood Cyn. 1052 Comment
  RSA585504  Gastridium phleoides D. L. Banks, Steve Boyd 1995-5-9 365 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  UC1922840  Gayophytum decipiens Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1739 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  UCR10169  Gayophytum diffusum subsp. parviflorum R. Kniffen 1969-9-28 s.n. Riverside Santa Rosa Mtns, Toro Peak 2652 Comment
  UCSB38069  Gayophytum oligospermum Lewis, Harlan 1962-8-2 Riverside San Jacinto Mnts. Pine cove road, .4 miles west of Idyllwild Banning Road. Comment
  JEPS15396  Geraea canescens Joseph and Hilda Grinnell 1937-11-30 1085 a Riverside 24 mi w of Blythe (Bed of Ford Dry Lake); Ford Dry Lake 106 Comment
  RSA0118600  Geraea canescens Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7639 Riverside Mecca Hills: Meccacopia Trail just east of Shaver's Well. Eastern Mecca Hills, south edge of Shaver's Valley, just west of Orocopia Mountains, east of Box Canyon, east-northeast of Mecca. 301 Comment
  SBBG22981  Geraea canescens D. Myrick 1965-3-4 1075 Riverside near Palm Desert 152 Comment
  SD128749  Geraea canescens Darley F. Howe 1980-4-15 Riverside 2 miles west of Mesa Verde, south slope of McCoy Mountains, Highway 10 Comment
  SEINET2051656 Image available Geraea canescens Steven J. Southwell 1971-5-1 Riverside 300 ft. W. of road through Thousand Palm Oasis 150 Comment
  UCD132581  Geraea canescens P. C. Everett; E. K. Balls 1958-4-29 22956 Riverside US Hwy. 60/70 Indio to Blythe, 2.7 miles east of junction with Highway 99. 30 Comment
  UCD20079  Geraea canescens Donald W. Kyhos 1965-4-7 65 -134 Riverside 3.4 miles east of junction of Hwy 111 and Hwy 60-70, near Indio. Comment
  UCSB38371  Geraea canescens Nelson, Steve 1974-4-13 Riverside Two miles north of U.S. Highway 10 on Washington 152 Comment
  RSA676045  Gilia Scott D. White 2001-4-17 8346 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
  UCR157615  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 184 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  JEPS69448  Gilia angelensis Dr. L. M. Newlon 1922-4-3 432 Riverside Andreas Canyon San Jacinto Mts., Andreas Canyon Comment
  UCR91642  Gilia angelensis D. L. Banks, Steve Boyd 1995-5-9 0413 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 738 Comment
  UCR52586  Gilia australis Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243, 1-2 mi below Mt. Edna turnoff Comment
  RSA192344  Gilia capitata subsp. abrotanifolia E. W. Lathrop 1966-5-9 6274 Riverside 3 miles SW of Murrieta between Mesa de la Punta and Sandia Canyon. Comment
  SJSU11612  Gilia capitata subsp. abrotanifolia N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 5 mi E of E shore, Lake Elsinore Comment
  RSA0013023  Gilia diegensis LeRoy Gross, Caitlin Elam 2013-5-14 6040 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
  RSA0016239  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4983 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA0123113  Gilia stellata Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9020 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
  RSA111282  Gilia stellata Verne Grant, James Davis 1957-3-30 9896 Riverside Mouth of Morongo Canyon. 701 Comment
  UC68776  Gilia stellata H. M. Hall May, 1905 6015 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs 670 Comment
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Oct 9 2010
  UCR139095  Gilia stellata B. G. Pitzer 1989-4-16 1310 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 4 km west of Tabaseca Tank, in impact area 620 Comment
  UCR88428  Gilia stellata A. C. Sanders, K. C. Rose 1995-4-5 16348 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UC39036  Glyceria elata H. M. Hall Jun 1901 2244 Riverside Dark Canyon; San Jacinto Mountains 1828 Comment
  POM1630  Glycyrrhiza lepidota Crawford, Johnston 1917-6-9 1228 Riverside Santa Ana River Comment
  CLARK-A1528-7803  Gnaphalium palustre John C. Roos 1952-6-8 5742 Riverside Reche Canyon 640 Comment
  UCR22034  Gnaphalium palustre Steve Boyd 1980-5-11 257 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR88566  Gnaphalium palustre A. C. Sanders, J. C. Lyman 1995-4-16 16567 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  UCR20851  Gnaphalium stramineum A. C. Sanders 1979-8-26 00123 Riverside San Jacinto Mtns, James Reserve above Lake Fulmor. Edge of campground near Indian Creek 1646 Comment
  SEINET3071808  Grusonia parishii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17498 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
  POM292910B  Gutierrezia californica Lyman Benson 1945-11-10 11911 Riverside 5 miles east of Temecula. 457 Comment
  RSA189351  Gutierrezia californica L. S. Rose 1966-12-14 66110 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  UCR202006  Gutierrezia californica Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  RSA773656  Gutierrezia sarothrae Duncan S. Bell, J. D. England 2010-10-5 1975 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 781 Comment
  CAS-BOT-BC231099  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mountain, just E of claymine area 487 Comment
  UC1979566  Harpagonella palmeri Darin L. Banks, Steve Boyd 1995-5-9 398 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  SDSU13561  Hazardia squarrosa var. grindelioides W. Miller with C. Mosse 1972-7-12 Riverside R.R. bed 50 yards west of erosion area. Comment
  RSA594122  Hedypnois cretica D. L. Banks, Victor Steinmann 1996-4-20 0880 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along a circular drive that runs along the W end of the compound. 567 Comment
  CSUSB1539  Helianthus annuus M. Peterson 1972-6-29 S. N. Riverside Riverside Comment
  POM319674  Helianthus annuus subsp. lenticularis Patricia Wilder 1971-9-29 5270 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  RSA396470  Helianthus gracilentus Walter Wisura 1987-5-21 4153 Riverside 5.3 miles fr Hwy 243 along old Idyllwild rd. Comment
  RSA876  Helianthus gracilentus J. T. Howell 1928-7-7 1038 Riverside Santa Ana Mts. above Glen Ivy. 609 Comment
  SD229099  Helianthus gracilentus Dick Schwenkmeyer 2012-10-16 928 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UC895530  Helianthus gracilentus E. C. Jaeger 1921-6-6 Riverside McMullen Trail San Jacinto Mts., McMullen Trail 822 Comment
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Nov 5 2011
  UCR125273  Helianthus gracilentus A. C. Sanders 2002-11-21 25643 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  SBBG132103  Helianthus nuttallii subsp. nuttallii S. D. White 2003-10-9 9816 Riverside Pine Cove, Lily Crk just N of crossing at Hwy 243; San Jacinto Mtns 1738 Comment
  UC455974  Heliotropium curassavicum J. E. Roadhouse 1905-7-14 7853 Riverside Corona Comment
  UCR108832  Hemizonia fasciculata O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  RSA792714  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-6-1 40231 Riverside Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  CAS-BOT-BC167006  Hemizonia mohavensis A. C. Sanders; Steve Boyd; Jeff Ross; Mitch Provance 1998-10-25 22273 Riverside San Jacinto Mtns.: Hwy 74, roadside seep ca. 2 miles below (west of) Mountain Center 1250 Comment
  RSA614684  Hemizonia mohavensis A. C. Sanders, Schram, D. Wappler 1994-10-4 15774 Riverside San Jacinto Mts.: N slope of the Mts.; Azalea Creek ca. 0.5 mile SW of the Twin Pines Ranch buildings, at road crossing just outside the ranch fence. 1067 Comment
  UCR196772  Hemizonia mohavensis Marsia Narog, Mark Parlow 2008-8-13 s.n. Riverside Peninsular Range; San Jacinto Mtns., Poppet Flats, NW of Poppet Flats Road, west of intersection of Ellis Dr. and Fox Dr. 1087 Comment
  UCR200998  Hemizonia mohavensis Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 023 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  UCR211873  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1067 B Riverside Peninsular Range; San jacinto Mountains, McCall Memorial Park Campground 1372 Comment
  UCR182427  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-5-12 6702 Riverside Granitie Knolls and Mesas of Riverside, South Riverside (Prenda area), vicinity of the Prenda Arroyo, near the spillway of the Woodcrest Dam. 335 Comment
  UCR239889  Hemizonia paniculata O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  UCR266260  Hemizonia paniculata D. E. Bramlet 2006-8-11 4045 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet at Hemet-Ryan Airport 459 Comment
  RSA0073109  Hesperocallis undulata Jim Andre 2013-3-27 24801 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 241 Comment
  RSA0011889  Hesperocallis undulata Linda M. Prince, Jason Koontz, Jennifer Pilapil, Zezva Asanidze 2012-3-25 674 Riverside Desert Lily Reserve. Comment
  RSA586142  Hesperocnide tenella D. L. Banks, Steve D. Boyd 1995-3-16 104 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  SD137589  Hesperocnide tenella Darin L. Banks, Steve Boyd 1995-3-16 104 Riverside Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wilfhorse Peak, on the Wildhorse Trail 609 Comment
  POM13121  Hesperolinon micranthum P. A. Munz, I. M. Johnston 1922-5-19 5336 Riverside 5 miles NE of Murrieta 518 Comment
  SD122173  Hesperoyucca whipplei James C. Dice, J. D. Tenhunen 1987-9-9 721 Riverside Santa Margarita Ecological Reserve; 1.6 km NNW of Royal Oak Ranch. 390 Comment
  UC64541  Heteromeles arbutifolia H. M. Hall 1897-6-19 670 Riverside Comment
  POM266279  Heterotheca horrida subsp. cinerascens J. C. Roos 1942-10-24 2571 Riverside Wonderland of Rocks' Joshua Tree National Monument. Comment
  UCD133090  Heterotheca sessiliflora subsp. echioides Scott D. White; Angelina Carey 2004-9-16 10755 Riverside San Jacinto Mountain: along Poppet Creek NE of San Jacinto River. 561 Comment
  RSA449945  Hibiscus denudatus J. C. Roos 1958-2-22 s.n. Riverside 2 mi SE of Desert Center Comment
  RSA5373  Hibiscus denudatus B. D. Stark 1932-6-15 3733 Riverside 2 mi W of Utopia on the Mecca - Blythe Road 213 Comment
  UCR161283  Hibiscus denudatus Mark A. Elvin 2005-4-26 4231 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley/Indio Hills; [pipeline route, south of mouth of Fargo Canyon] N of I-10 198 Comment
  LA8280  Hilaria rigida Marcus E. Jones; A. M. 1929-9-16 sn Riverside E of Desert Center Comment
  UCR224685  Hilaria rigida Charles Hughes 2010-3-22 205 Riverside Sonoran (Colorado) Desert, about 9.4 miles south of Hwy 62, next to RR tracks 246 Comment
  SD187381  Hirschfeldia incana Scott D. White, Angelia Carey 2004-4-16 10170 Riverside Indian Creek and adjacent slopes. 548 Comment
  SEINET2061523 Image available Hoffmannseggia glauca H. Dearing, M. Dearing 1942-4-6 4867 Riverside 3 mils E of Blythe. Comment
  RSA674921  Hoita macrostachya Scott D. White, P. De Vries 2000-4-25 7734 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  SD152846  Hoita macrostachya Steve Boyd, Timm Ross, Dave Bramlet 1992-9-9 7669 Riverside Southern Santa Ana Mts, San Mateo Canyon Wilderness Area, upper San Mateo Cyn from junction of Tenaja Rd (7S01) & Los Alamos Rd (7S04) at confluence of Los Alamos Creek up the San Mateo Trail N to Potrero de la Cienega, about stream, top of Tenaja Falls 395 Comment
  UCR117388  Hordeum intercedens A. C. Sanders, T. B. Salvato 2001-5-25 24384 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR162953  Hordeum intercedens Fred M. Roberts, D. E. Bramlet 2005-4-1 6141 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
  UCR228831  Hordeum intercedens A. C. Sanders, T. B. Salvato 2011-4-4 38974 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  CSUSB451  Hordeum leporinum D. L. Heald 1966-5-16 68 Riverside Off the road behind Webber Hall at University of California, Riverside (UCR) in the city of Riverside. 304 Comment
  UCR97285  Hordeum marinum Scott D. White 1993-3-12 1157 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  UCR124332  Hordeum murinum Steve Boyd 1980-5-5 210 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR146255  Hordeum murinum subsp. murinum Steve Boyd 2001-4-12 10418 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
  UCR193407  Horkelia clevelandii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35576 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  UCR4670  Horkelia clevelandii Frank C. Vasek 1964-7-19 640719- 04 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  SDSU4294  Hosackia crassifolia var. crassifolia Charles F. Phleger 1962-5-13 Riverside Collected on the Huffman acreage, 5 miles north of Idlewild. Comment
  JEPS19516  Hulsea vestita subsp. callicarpha Peter H. Raven with R. Snow 1957-7-26 11098 Riverside 0.7 mi n Vista Grande Ranger Station (Banning--Idyllwild Road); San Jacinto Mountains Comment
  SD187327  Hydrocotyle umbellata Scott D. White, Angelia Carey 2004-9-16 10761 Riverside San Jacinto Mountain foothills: Indian Creek. 548 Comment
  POM361063  Hymenoclea salsola Ora M. Clark 1929-2-24 1537 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  UC570561  Hymenoxys odorata Frank W. Peirson 1935-4-17 11468 Riverside 20 mi s Blythe Comment
  POM122539  Hypericum formosum var. scouleri Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UC872028  Hypericum formosum var. scouleri I. W. Clokey and E. G. Anderson 1935-8-21 6751 Riverside N. Fork San Jacinto R. 1500 Comment
  RSA180466  Hypochaeris glabra E. W. Lathrop 1960-5-6 4787 Riverside 10 miles west of Murrieta. Comment
  CAS-BOT-BC219774  Hyptis emoryi D. E. Breedlove 1962-3-11 1884 Riverside On rocky bank of Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  CLARK-A1528-5344  Hyptis emoryi John C. Roos 1965-12-4 Riverside Desert Center 365 Comment
  JOTR34370  Hyptis emoryi Andre, Jim 2012-4-16 20887 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  UCR281015  Hyptis emoryi Fred M. Roberts 2016-3-5 7991 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  UCR3004  Hyptis emoryi Wm. Horn Jr. 1963-3-23 630323- 4 Riverside Western Colorado Desert, Box Canyon Road (Calif. Hwy 195 ), 8 mi SE of Mecca, 75 yards south of the road. 61 Comment
  CDA5541  Ipomoea triloba T. C. Fuller 1962-10-2 9707 Riverside Palo Verde Valley; East side of Neighbors Boulevard to Ripley, 0.3 mile south of Highway 60. 0 Comment
  SEINET10572093  Isocoma acradenia Robert M. King, Robert M. Garvey 2000-2-16 King 11243 Riverside Indian Canyons, south of Palm Springs Comment
  UC74093  Isocoma acradenia var. acradenia M. F. Gilman 1904-1-1 37 Riverside Banning Comment
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Mar 13 2011
  SBBG38028  Isocoma acradenia var. eremophila T. L. Secrest 1950-5-12 Riverside near Indio Comment
  UCR238739  Isocoma menziesii A. C. Sanders, John F. Green 2012-6-25 40306 Riverside Peninsular Range; Santa Ana Mtns. Region, small canyon east of Horsethief Canyon Rd., below end of Kicking Horse Dr. & Caravan Circle 389 Comment
  RSA192194  Isocoma menziesii var. vernonioides E. W. Lathrop 1966-4-13 6145 Riverside De Luz Road between Murrieta and De Luz Comment
  UC2062450  Ivesia callida Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7429 Riverside Head of Andreas Canyon on N side Red Tahquitz Peak, San Jacinto Mountains. Comment
  CAS-BOT-BC133230  Juglans californica D. E. Bramlet 2003-5-28 3454 Riverside San Gorgonio wash, along dirt road to MWD tailings site. The site is 1768m south of Cabazon, and 762m north of the Colorado aqueduct 535 Comment
  UCR27000  Juglans californica E. W. Lathrop 1966-5-8 6419 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCR92279  Juncus balticus Scott D. White, S. Ogg 1994-10-17 2482 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  POM319708  Juncus balticus subsp. ater Patricia Wilder 1970-10-30 4857 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  RSA247275  Juncus bufonius G. D. Wallace, D. H. Wilken 1966-7-3 650 Riverside San Jacinto Mountains near Idyllwild, Strawberry Meadows. Comment
  RSA500561  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3597 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 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
  RSA293529  Juncus macrophyllus C. W. Tilforth, Walter Wisura 1979-8-8 1898 Riverside Highway 243 at turn-off to Poppet Flat, south of Banning. 1189 Comment
  UCR268296  Juncus macrophyllus Jim Andre 2012-6-15 30555 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR38690  Juncus macrophyllus J. M. Stewart 1985-4-22 8519 Riverside Santa Rosa Mtns., Ebbens Creek, south of Palm Desert 549 Comment
  RSA180435  Juncus mexicanus E. W. Lathrop 1960-6-8 4822 Riverside 14 miles west of Murrieta Comment
  UCR177389  Juncus saximontanus A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15796 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  LA6549  Juniperus californica Harlan Lewis; 1939-10-22 1039 Riverside Santa Rosa Mountains, Pinyon Flats, Pines to Palms Highway 1219 Comment
  POM310598  Juniperus californica G. Mansfield-Jones 1956-04 s.n. Riverside Joshua Tree National Monument along road to Juniper Flats 1463 Comment
  SFV6305  Justicia californica T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 44 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  UC1541520  Justicia californica H. E. and S. T. Parks 1940-2-12 24166 Riverside mouth of Santa Rosa Canyon (Palms to Pines Hwy.) 304 Comment
  POM4283  Keckiella antirrhinoides Jenkins, Street 1917-5-30 s.n. Riverside San Jacinto River Canyon. Comment
  SD132283  Keckiella antirrhinoides Narca A. Moore-Craig 1984-4-13 Riverside Mt. San Jacinto, 4 mi W of Mountain Center along Hwy 74. 671 Comment
  UC1063327  Keckiella antirrhinoides R. St. John 1930-4-5 111 Riverside Roche Canyon; San Bernardino Quad. 426 Comment
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Jul 5 2010
  UCR149864  Keckiella antirrhinoides Scott D. White, Michael Honer 2004-4-6 10046 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UCR77771  Keckiella antirrhinoides Steve Boyd 1991-5-10 6217 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  SEINET12320803  Keckiella antirrhinoides R. A. Schlising 1972-1 3012 Riverside Santa Ana Mountains SW of Corona, near margin of Cleveland National Forest Comment
  RSA450072  Keckiella cordifolia J. C. Roos, L. Roos 1952-6-24 5786 Riverside In the hills west of Beaumont. Comment
  RSA0019436  Keckiella ternata subsp. ternata N. C. Cooper 1949-6-29 4303 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  SEINET3386523 Image available Kochia scoparia R. E. Riefner Jr. 2006-5-30 214 Riverside Romoland, Sherman Rd. near Ethanac Rd 440 Comment
  UCR132896  Kochia scoparia Gevin Kenney 1997-8-29 s.n. Riverside San Jacinto Valley, 0.5 mi. SW of Gilman Springs Rd. off Bridge St. 436 Comment
  UCR266913  Kochia scoparia D. E. Bramlet 2005-7-13 3890 Riverside Perris Aguange Basin Region; San Jacinto Valley, 20 ft. west of Davis Road just south of Marvin Rd., San Jacinto Wildlife Area 434 Comment
  RSA180390  Koeleria macrantha E. W. Lathrop 1965-5-18 5761 Riverside 8 miles W of Murrieta; hills around 300 ft high 609 Comment
  UC149782  Koeleria macrantha H. M. Hall 1902-4-26 2976 Riverside vicinity of Riverside Box Spr. Mt. 685 Comment
  CAS-BOT-BC273669  Koeleria pyramidata Cecil Hart 1922-5-21 27 Riverside San Jacinto Mt. Comment
  SEINET10910278  Krameria J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12830 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then ca 1.3 km on Whitewater Canyon Road. Comment
  CAS-BOT-BC61420  Krameria bicolor K. Larson 1976-6-10 2034 Riverside About 30 mi. E of Indio. S. of Chiriaco Summit Comment
  UCD107113  Krameria bicolor Marian L. Vincent; Richard H. Swade 1963-10-19 449 Riverside Snow Creek Road, 1 mile from its intersection with California State Hwy. 111. 365 Comment
  UCSB52574  Krameria bicolor Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 57 Comment
  JOTR34065  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2963 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  LA45697  Krameria erecta J. A. Ewan; 1931-4-4 4141 Riverside McCoy Mountains Comment
  JOTR01075  Krameria erecta Cole, James E. 1941-5-21 760 Riverside Joshua Tree National Park. DALE, COTTONWOOD ROAD 914 Comment
  RSA506754  Krameria grayi D. F. Howe 1980-4-15 s.n. Riverside 5 miles W of Mesa Verde, South slope o McCoy Mtns, Hwy 10. Comment
  CSUSB1164  Krameria parvifolia Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  RSA714018  Kyllinga brevifolia R. E. Riefner 2004-9-25 4 -443 Riverside City of Corona; Grenn River Rd. ca 0.8 mi S of 91 Freeway overpass, Green River Golf Course at Santa Ana River. 153 Comment
  RSA388403  Lagophylla ramosissima R. F. Thorne 1985-7-18 61184 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  POM320423  Lamarckia aurea David Wheat 1968-5-16 134 Riverside 4.4 miles W corner Washington Ave-Guava Street, Murietta in Rancho California 427 Comment
  OBI32628  Lamium amplexicaule Roberta H. Smith 1969-5-6 30 Riverside Vacant lot N of 3016 Chicago on E side of Chicago Ave 152 Comment
  UCR248523  Langloisia schottii C. P. Cowan 1978-4-23 1215 Riverside Peninsular Range; Santa Rosa Mtns., 12.1 miles (19.2 km) south of Hwy 74 from junction with Hwy 111 at Indian Wells. Whittaker transect #W-220 950 Comment
  POM10415  Langloisia setosissima subsp. setosissima Charlotte M. Wilder 1907-4-6 712 Riverside Whitewater Ranch Comment
  JOTR31951  Larrea tridentata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2188 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA0117856  Larrea tridentata Sarah J. J. De Groot, Rachel Darney-Lane 2016-5-5 7896 Riverside North side of Mecca Hills, north of Shaver's Well and Meccacopia Trail, south of Interstate 10, Shaver's Valley, east-northeast of Mecca. Along Box Canyon Road ca. 5.85 miles west-southwest of Mecca/Cottonwood exit (168) from I-10. 319 Comment
  RSA390032  Larrea tridentata E. A. McGregor 1966-3-21 s.n. Riverside Near Indio. Comment
  JEPS30384  Lasthenia coronaria William M. Klein and J. E. Klein 1958-2-9 Riverside 4.5 mi nw Alberhill (Calif. State Hwy. 71) Comment
  UCSB6391  Lasthenia coronaria Haller, John 1957-3-23 Riverside At mouth of Morongo Canyon, ca. 8 road miles N. of U.S. 99 and 1 air mile S. of Riverside-San Bernardino Co. line 762 Comment
  RSA550487  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2233 Riverside 1.4 km west of Nuevo adjacent to the San Jacinto River. The site si some 267 , south of 12th st. and some 120m east of the San Jacinto River. The area is adjacent to the recently disturbed ROW for reclaimed water piplines. 433 Comment
  UCR241099  Lasthenia glabrata subsp. coulteri Blair Baker 2010-4-9 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, near San Jacinto River SE of Perris, NE side of Case Rd. 431 Comment
  RSA654618  Lasthenia gracilis Lydia Paneri 1982-4-17 39 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  RSA713680  Lasthenia gracilis A. C. Sanders 2005-4-22 29587 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR232053  Lasthenia gracilis John F. Green 2008-4-15 0408- 16 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  POM15152  Lathyrus vestitus subsp. laetiflorus Mary F. Spencer 1922-6-24 s.n. Riverside Idyllwild, San Jacinto Mountains. 1768 Comment
  JEPS55283  Lathyrus vestitus var. alefeldii W. L. Jepson 1901-5-19 1279 Riverside Strawberry Valley, Mt. San Jacinto 1676 Comment
  JOTR16603  Layia glandulosa Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. ONE MILE NORTH OF SQUAW TANK Comment
  SEINET1090217 Image available Layia glandulosa A. C. Sanders, K. Rose & D. Woodard 1995-3-22 16233 Riverside San Gorgonio Pass/ San Jacinto Mountains: on or near a rocky spur at the N foot of the mountains, SW of Verbenia Ave., W. of Snow Creek, E. of Cabazon 390 Comment
  SEINET7063241  Layia platyglossa A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [Cahuilla Road]. UTM Zone 11, 515481mE, 3705072mN. (WGS84/NAD83). 887 Comment
  UC1463881  Layia platyglossa Jeanine Derby 1976-5-18 Riverside across Highway 74 from Lake Hemet Store (n side Highway 74); San Jacinto Mts. 1981 Comment
  UC62887  Layia platyglossa H. M. Hall 1902-4-22 2951 Riverside vicinity Riverside 304 Comment
  POM361703  Layia platyglossa subsp. campestris Ora M. Clark 1929-3-2 1607 Riverside Near Alberhill. Comment
  POM361705  Layia platyglossa subsp. campestris M. B. Dunkle 1935-3-10 4361 Riverside Temescal Canyon 243 Comment
  RSA654610  Layia platyglossa subsp. platyglossa Bruce Albert 1982-4-17 62 Riverside Flat field south of Cajalco road, 0.3 miles east of La Sierra Hwy. Comment
  UCR201466  Lemna minuta Scott D. White, Justin M. Wood 2008-5-15 11978 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA388776  Lepechinia cardiophylla M. Kottman 1982-5-17 s.n. Riverside Junction of Indian Truck Trail and North Main Divide. Comment
  RSA562054  Lepidium dictyotum Steve Boyd, Timothy S. Ross 1992-4-1 6773 Riverside Temescal Canyon, terrace escarpments between Indian and Horsethief Washes along De Palma Road. 412 Comment
  RSA600181  Lepidium fremontii L. C. Wheeler 1959-12-27 7649 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA776509  Lepidium fremontii Amber Swanson, Duncan S. Bell 2011-3-20 248 Riverside Canyon Springs area N of the Bradshaw Trail. 340 Comment
  JOTR16713  Lepidium fremontii var. fremontii Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON, ABOVE CHOLLA GARDEN Comment
  POM14361  Lepidium lasiocarpum P. A. Munz, D. D. Keck 1922-4-9 4806 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  RSA429932  Lepidium lasiocarpum Robert L. Dressler 1949-3-19 381 Riverside Box Canyon, Orocopia Mts. Comment
  RSA779008  Lepidium lasiocarpum Duncan S. Bell 2010-4-1 642 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  UCR133111  Lepidium virginicum 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
  RSA673718  Lepidium virginicum var. pubescens Scott D. White, W. La Haye 2000-5-27 7951 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA544322  Lepidospartum squamatum Steve Boyd 1991-9-8 6430 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  CLARK-A1528-5128  Lepidospartum squamatum var. palmeri John C. Roos 1965-10-12 Riverside Whitewater Comment
  RSA723303  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1989-9-22 8123 Riverside San Jacinto, 8.8 km W. of State Hwy 79 on Ramona Expressway towards Lakeview 500 Comment
  UC1101604  Leptochloa mucronata Malcolm A. Nobs and S. Galen Smith 1948-9-3 489 Riverside 2 mi n Indio; Imperial Valley Comment
  UCR104907  Leptochloa uninervia A. C. Sanders 1997-3-19 20041 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR33683  Leptochloa uninervia Faulkner 1978-3-21 349 Riverside Sonoran (Colorado) Desert, 9 mi. north of Blythe on Hwy 95 152 Comment
  RSA543904  Leptosiphon pygmaeus subsp. continentalis Steve Boyd, Orlando Mistretta 1991-5-22 6287 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  SBBG55791  Leptosyne calliopsidea D. Keil, M. McLeod 1977-3-26 12010 Riverside Hwy 71, ca. 8 mi NW of Lake Elsinore St Recreation Area 365 Comment
Read comments
Jul 15 2020
  UCR92149  Lessingia filaginifolia D. L. Banks, Steve Boyd 1995-10-17 763 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  RSA740921  Lessingia glandulifera var. glandulifera Justin M. Wood, Brandy N. Ulrich 2008-7-14 16 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  SD236325  Limnanthes alba subsp. parishii A. C. Sanders, Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA734988  Limnanthes gracilis subsp. parishii A. C. Sanders, Tim Thomas 2008-6-20 35537 Riverside May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UC1531115  Limnanthes gracilis subsp. parishii Kay L. Tomlinson, Deborah L. Kama, and Robert F. Thorne 1985-3-27 892 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  CHSC26491  Linanthus californicus Richard Fellows 1970-5-7 22 Riverside Ca. 5 mi. W. of Corona, .5 mi. N. of Prado Dam off Hwy. 71. 304 Comment
  HSC95631  Linanthus californicus D. Atwood 1993-3-26 17655 Riverside Summit of Santa Ana Mts., 4.8 mi. S of Lake Elsinore, along Hwy. 74 813 Comment
  SD152787  Linanthus californicus Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-25 5582 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, along San Mateo Trail from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 395 Comment
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Jun 9 2012
  POM364589  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-4-7 2039 Riverside S. Hemet. Comment
  RSA496473  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3092 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  RSA550019  Linanthus dianthiflorus subsp. dianthiflorus W. Wisura, A. King, Lydia Newcomb 1992-4-10 4678 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  UC23753  Linanthus floribundus subsp. floribundus H. M. Hall Jun 1898 941 Riverside Santa Rosa Indian Reservation San Jacinto Mountains Comment
  UC718500  Linanthus lemmonii Carl B. Wolf 1937-4-5 Riverside 1 mi w Whitewater; San Gorgonio Pass 365 Comment
  UC908796  Linanthus lemmonii Victor Duran 1935-4-17 Riverside Sage Comment
  UC73619  Linanthus liniflorus Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA554130  Linanthus maculatus George K. Helmkamp 1992-4-11 92 -3 Riverside Whitewater River Wash, 0.4 miles N of pumping station and 150 yards E of road (ca. 1/2 way between Bonnie Bell and station) 550 Comment
  POM259191  Linanthus pungens subsp. hallii P. A. Munz 1938-8-13 15330 Riverside Rocky crest of ridge near Santa Rosa Peak. 2378 Comment
  UCR18064  Linanthus pygmaeus O. F. Clarke 1967-5-2 s.n. Riverside Pigeon Pass in the Box Springs Mtns behind UC Riverside campus 610 Comment
  UCR128568  Linaria canadensis A. C. Sanders, Mitch Provance 2001-4-5 23918 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  UCR171972  Linaria canadensis 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
  RSA559329  Linaria canadensis var. texana Steve D. Boyd, Tim S. Ross 1992-5-15 7413 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  UCR51066  Linaria canadensis var. texana S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR100153  Lithophragma Scott D. White 1994-4-23 2035 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  UC11870  Lithophragma affine H. M. Hall May 1901 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin of Strawberry Valley 1584 Comment
  SDSU1194  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside South rim of Temecula Gorge, in dirt road near locked gate. T8S, R3W, NE 1/4 of SE 1/4 of Section 27. 305 Comment
  CDA40087  Loeseliastrum schottii T. C. Fuller 1964-4-14 11824 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  UC1179099  Logfia arizonica Herbert L. Mason 1952-4-7 14208 a Riverside near Palm Springs; Palm Canyon Comment
  UC405427  Logfia depressa Katharine Brandegee 1899-1 Riverside Colorado Desert Comment
  SD144488  Logfia filaginoides A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19890 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn, along the road. 518 Comment
  RSA180346  Lomatium dasycarpum subsp. dasycarpum E. W. Lathrop 1965-5-9 5717 Riverside 6 miles W of Murrieta. Comment
  RSA267960  Lomatium dasycarpum subsp. dasycarpum C. W. Tilforth, Dorothy Tilforth 1977-3-6 1263 Riverside 0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 & Forestry Rd. 6S06. Comment
  SEINET10636214  Lomatium dasycarpum subsp. dasycarpum Greg Gust, Leith Nye 2005-3-11 Gust 548 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UC1979535  Lomatium lucidum Darin L. Banks 1995-4-11 177 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail. Comment
  UC63680  Lomatium mohavense H. M. Hall May 1899 1184 Riverside San Jacinto Mts., Van de Venter's 1371 Comment
  RSA192213  Lomatium vaginatum E. W. Lathrop 1960-3-11 4655 Riverside 5 miles west of Murrieta. Comment
  RSA359520  Lomatium vaginatum Steve Boyd 1986-3-9 1381 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA90331  Lotus argophyllus subsp. decorus F. W. Peirson 1921-3-19 2367 Riverside Whitewater Point, head of Coachella Valley Comment
  UC15533  Lotus argophyllus var. argophyllus H. M. Hall May 1899 1169 Riverside El Toro San Jacinto Mountains 1828 Comment
  UC864263  Lotus argophyllus var. argophyllus I. W. Clokey and E. G. Anderson 1935-8-21 6719 Riverside e of Keen Camp P.O. (s Riverside Co.) 1350 Comment
  UC729879  Lotus crassifolius var. crassifolius Carl B. Wolf 1932-8-4 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  RSA722995  Lotus grandiflorus var. grandiflorus M. Wall 2007-7-6 434 Riverside San Jacinto Valley at sharp bend in Bautista Canyon Rd. 3.1 miles SE of jct. with Fairview Ave. 671 Comment
Read comments
Dec 22 2018
  RSA525243  Lotus hamatus Steve Boyd, T. S. Ross 1990-5-11 4620 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA544375  Lotus hamatus Steve Boyd, T. S. Ross 1991-6-14 6390 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR116983  Lotus hamatus A. C. Sanders, T. B. Salvato 2001-5-3 24080 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA0119992  Lotus haydonii Duncan S. Bell, Thomas Stoughton 2016-4-13 9260 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UC15654  Lotus heermannii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains 1828 Comment
  RSA680834  Lotus heermannii var. heermannii Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8665 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
  JEPS27796  Lotus oblongifolius var. oblongifolius I. W. Clokey and E. G. Anderson 1935-8-21 6722 Riverside Fuller Creek San Jacinto Mts. 1500 Comment
  UCR133388  Lotus purshianus Tracy Tennant, T. B. Salvato 1998-6-23 486 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  RSA49188  Lotus rigidus P. A. Munz 1949-4-12 13034 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  SEINET3131519  Lotus rigidus L. S. Rose 1935-12-23 35694 Riverside Colorado Desert, above Deep Canyon, San Jacinto Mts., 22 mi S of Cathedral City 1067 Comment
  RSA727090  Lotus salsuginosus Naomi Fraga, Lisa Rojas 2005-2-10 1364 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA735321  Lotus salsuginosus var. brevivexillus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11254 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
  UC56575  Lotus salsuginosus var. brevivexillus H. M. Hall 1902-4-12 2848 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  CSUSB1258  Lotus scoparius Leland E. Francois 1966-3-27 32766 2 Riverside City of Riverside, lower southeast slope of Mount Rubidoux, just up the slope from Glenwood Drive. 297 Comment
  RSA722993  Lotus scoparius M. Wall 2007-6-26 432 Riverside San Jacinto Valley, Bautista Creek wash off Bautista Canyon Rd. 3.0 miles SE of jct with Fairview Ave. 678 Comment
  SEINET2062422 Image available Lotus scoparius B. Pitzer 1986-5-24 238 Riverside Whitewater Canyon, ca. 5 mi. N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 1/4 mi. N of hatchery boundary. (Whitewater 7.5' Quad) 731 Comment
  VVC2873  Lotus scoparius Tim Thomas, P. J. MacKay 2010-4-12 5030 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  CLARK-A1528-2809  Lotus strigosus John C. Roos 1937-3-24 1339 Riverside Pigeon Pass Comment
  CSUSB1250  Lotus strigosus Martha McCarthy 1960-3-27 Riverside 0.5 mile southwest of Teneja Road, 12.2 miles from junction with Washington Ave., Murrieta. On edge of open burned area. Santa Ana Mountains. Comment
  RSA778223  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 776 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UCR120648  Lotus strigosus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1793 A Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA176229  Lotus tomentellus R. F. Thorne 1963-3-29 32383 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  SEINET10484483  Lotus tomentellus Billy Joe Cox 1975-4-23 Cox 4143 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols, 70 Comment
  UCR189545  Ludwigia peploides subsp. peploides Fred M. Roberts, S. Leatherman 2007-9-19 6582 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  POM349962  Lupinus arizonicus C. P. Smith 1936-1 2163 Riverside West side of Colorado Desert. -30 Comment
  RSA444313  Lupinus arizonicus Walter Wisura 1988-3-1 4183 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  UCR167394  Lupinus arizonicus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR277633  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-1-14 42660 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  UCR279571  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-29 43180 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
  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
  OBI42677  Lupinus bicolor B. Pitzer & K. Kirtland, K. Kirtland 1986-5-6 201 Riverside Butterfield State Ranch dev, in the hills on the N side of Pauba Valley, in the Ranch Calif area, 1 mi S of Buck Mesa on the E side of Butterfield State Rd. T7S, R2W, sec 36 457 Comment
  SEINET7063242 Image available Lupinus bicolor A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [Cahuilla Road]. UTM Zone 11, 515481mE, 3705072mN. (WGS84/NAD83). 887 Comment
  UCR166163  Lupinus bicolor John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR241249  Lupinus bicolor T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1209 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR97489  Lupinus bicolor A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19868 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA562496  Lupinus bicolor subsp. microphyllus Steve D. Boyd 1992-5-5 7240 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA783241  Lupinus concinnus J. D. Olmsted 1962-6-3 3484 Riverside S slope along road on north side of Hemet Lake 1280 Comment
  POM12634  Lupinus densiflorus var. lacteus Philip A. Munz 1922-4-28 5030 Riverside 5 miles north of Glen Ivy Comment
Read comments
Apr 3 2011
  RSA87055  Lupinus densiflorus var. lacteus F. W. Peirson 1922-4-29 4224 Riverside Dripping Spring, Temecula River, southwestern Riverside Co. 457 Comment
  JEPS122470  Lupinus excubitus var. austromontanus J. M. Andre 2012-6-15 30538 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  RSA413572  Lupinus excubitus var. austromontanus Christopher Davidson 1975-6-16 2815 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  CLARK-A1703-21  Lupinus hirsutissimus Mike Cline 1967-3-30 Riverside Box Springs Mountains Comment
  UCR107709  Lupinus hirsutissimus A. C. Sanders 1997-3-1 19736 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
  POM229048  Lupinus hyacinthinus Philip A. Munz 1937-5-30 15141 Riverside Santa Rosa Peak. 2409 Comment
  RSA719792  Lupinus hyacinthinus Naomi S. Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1738 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UC1922189  Lupinus hyacinthinus Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1738 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA221047  Lupinus latifolius subsp. parishii E. W. Lathrop 1966-5-29 6394 Riverside Bear Spring on the Main Divide Truck Trail1 miles E of Santiago Peak, Cleveland National Forest Comment
  POM19602  Lupinus latifolius var. parishii Mary F. Spencer 1923-8-7 2190 Riverside San Jacinto Mts. 1707 Comment
  RSA413769  Lupinus longifolius N. C. Cooper 1947-4-5 2046 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SEINET10490185  Lupinus polyphyllus subsp. bernardinus David B. Dunn 1946-8-17 Dunn 2688 Riverside Collected in san jacinto mtns. Grass near stream at camp in taquity valley, Damp meadow area. 2438 Comment
  RSA413489  Lupinus shockleyi Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7810 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  JOTR34176  Lupinus sparsiflorus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 137 Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  RSA676293  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SDSU18359  Lupinus sparsiflorus C. Matt Guilliams, Jeannine Ross 2008-3-12 528 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 428 Comment
  UCR78444  Lupinus sparsiflorus Scott D. White 1993-4-22 1244 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  RSA0074211  Lupinus sparsiflorus Leota Brice 1930-4-13 s.n. Riverside Idylwild. [San Jacinto mountains]. Comment
  POM12769  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz, D. D. Keck 1922-4-13 4943 Riverside Eagle Mountains. 244 Comment
  POM24047  Lupinus sparsiflorus subsp. sparsiflorus Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  CLARK-A1045-873  Lupinus truncatus George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along Riverside-San Diego County Line at start of Interstate Highway 215; ; southern oak woodland; Temecula 7.5'Q Comment
  UCR270392  Lupinus truncatus John F. Emmel 1998-5-2 1545 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.8 road mile SE of national forest boundary 729 Comment
  POM122854  Luzula comosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  HSC25925  Lycium andersonii R. W. Spjut 1972-1-20 2124 Riverside Colorado Desert, N base of the Chuckawalla Mtns. 305 Comment
  POM13043  Lycium andersonii Philip A. Munz, D. D. Keck 1922-4-9 4849 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert. 427 Comment
  UCR51932  Lycium andersonii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth 1988-3-10 2178 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  SEINET10546455  Lycium brevipes Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 29 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  UC103834  Lycium torreyi E. Palmer, M. D. Mar 1876 425 Riverside Valley of the Colorado Comment
  SDSU19223  Lythrum hyssopifolia Kristen Hasenstab, Dave Bailey 2008-8-7 182 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. Plant growing 1m from the edge of the river. 215 Comment
  UCR117380  Lythrum hyssopifolia A. C. Sanders, T. B. Salvato 2001-5-25 24387 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR36249  Machaeranthera asteroides var. asteroides Donald Myrick 1969-10-20 2127 Riverside San Jacinto Valley, near Mt. San Jacinto College, San Jacinto 488 Comment
  UCR163983  Machaeranthera cognata Ted Rado 2005-8-1 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, extreme SE end of Indio (Mecca) Hills, west of Dillon Rd. 61 Comment
  CLARK-A1528-2003  Machaeranthera tortifolia John C. Roos 1949-4-10 4225 Riverside Chuckwalla Mountains Comment
  UC484191  Malacothamnus densiflorus J. T. Howell 1928-7-8 1056 Riverside above Glen Ivy; Santa Ana Mtns 914 Comment
  CAS-BOT-BC206266  Malacothamnus fasciculatus Peter H. Raven; Sidney R. Snow 1956-7-6 9661 Riverside Vandeventer Flat, San Jacinto Mts. 1493 Comment
  UCR113163  Malacothamnus fasciculatus A. C. Sanders 1998-1-15 21642 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  RSA0087583  Malacothamnus fasciculatus Norman C. Cooper 1944-7-15 1591 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  JEPS36809  Malacothrix clevelandii W. L. Jepson 1928-4-19 12430 Riverside hills 5 mi n Elsinore Comment
  RSA627852  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside Foothills NNE of Beaumont. 950 Comment
  CAS-BOT-BC347691  Malacothrix glabrata L. R. Abrams 1926-3-25 11048 Riverside Between Banning and Cabazon Comment
  JOTR32434  Malacothrix glabrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2278 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  RSA525230  Malacothrix glabrata Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4607 Riverside Vail Lake area, NE of lake along Powerline road, 0.6 mile W of jct Hwy R3. Comment
  UCR261180  Malacothrix glabrata A. C. Sanders, Katie Young, John Hale 2015-4-22 41608 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1.2 km NW (296 deg. ) of One Horse Spring 461 Comment
  RSA92732  Malosma laurina J. C. Roos, Lucille Roos 1954-7-10 6191 Riverside North side Pigeon Pass, Box Springs Mountains. 488 Comment
  UCR180347  Malva parviflora Scott D. White, Angelia Carey 2004-4-5 10031 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  OBI52753  Marah macrocarpa Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck Trl 381 Comment
  RSA552761  Marah macrocarpa Steve Boyd 1992-3-31 6747 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  SD215475  Marah macrocarpa Steve Boyd, Tim Ross, et al 1990-4-2 4011 Riverside Vail Lake area, lower slopes of Agua tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  UCR104912  Marah macrocarpa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20668 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
  RSA495419  Marah macrocarpa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2894 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR216399  Marah macrocarpa var. macrocarpa Mike Bell 2008-3-30 026 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UC1419866  Marina orcuttii Jan Zabriskie 1976-6-1 849 Riverside near Horsethief Creek (Cactus Spring trail, Boyd Deep Canyon Desert Research Center, University of California); Santa Rosa Mts. 1127 Comment
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Mar 20 2011
  CAS-BOT-BC193266  Marina parryi Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2131 Riverside N. end of Palen Mrns, 2 mi west of Palen Pass 91 Comment
  JEPS46238  Marina parryi H. M. Hall 1905-4-22 5846 Riverside Canyon Spring Colorado Desert Comment
  UCR52003  Marina parryi Steve Boyd 1988-3-10 2131 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR22046  Marrubium vulgare Steve Boyd 1980-5-11 238 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR262275  Marrubium vulgare A. C. Sanders 2006-5-13 32289 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  POM157888  Marsilea vestita P. A. Munz 1927-5-20 10800 Riverside Murrieta Hot Springs Comment
  RSA544437  Marsilea vestita Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6344 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  RSA85835  Marsilea vestita F. W. Peirson 1930-5-10 8768 Riverside along the boulevard opposite March Field, south of Riverside 457 Comment
  RSA0126838  Matricaria discoidea R. E. Riefner Jr. 2017-4-2 17 -140 Riverside City of Hemet, along California Ave. near Stowe Rd. 468 Comment
  CSUSB1089  Medicago polymorpha Leland R. Dykes 1962-5-1 56 Riverside Santa Ana Mountains, San Mateo Canyon Road. 12.5 miles west of Palomar Road, Murrieta. Comment
  RSA180237  Medicago polymorpha E. W. Lathrop 1965-4-18 5653 Riverside 10 miles west of Murrieta. Comment
  CLARK-A1528-5055  Medicago sativa John C. Roos 1951-9-25 5292 Riverside Riverside 259 Comment
  UCR2535  Melica frutescens F. M. Reed 1920-5-10 4490 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Murray Canyon 457 Comment
  RSA0080080  Melica frutescens A. R. Roos 1937-4-18 s.n. Riverside Snow Creek, N. side of the San Jacinto Mtns. Comment
  UCD88010  Melica imperfecta Fred M. Reed 1906-3-17 925 Riverside Riverside and vicinity south fork of Tequesquite Arroyo opposite ore ranch. Comment
  RSA770881  Melilotus indicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4605 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR22078  Melilotus indicus Steve Boyd 1980-5-3 181 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA674967  Melinis repens Scott D. White, Teresa Salvato 2001-6-8 8579 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR80279  Mentha aquatica L. C. Wheeler 1932-9-4 1316 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  RSA0038370  Mentzelia affinis A. Lee Haines 1973-3-24 s.n. Riverside Orocopia Mountains. 457 Comment
  RSA0123351  Mentzelia albicaulis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9053 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
  RSA282502  Mentzelia albicaulis J. Zavortink 1966-3-18 2663 Riverside Along route 60, 5.7 miles W of Desert Center. Riverside County Comment
  RSA779625  Mentzelia albicaulis var. albicaulis Duncan S. Bell 2010-4-1 659 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA0121883  Mentzelia dispersa Henry J. Ramsey, Henry J. Ramsey 1937-5-22 2242 Riverside Santa Rosa Mountains Comment
  CHSC109286  Mentzelia involucrata Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu 2004-5-14 11219 Riverside Colorado Desert: Chocolate-Chuckwalla Mountains region: 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
  CLARK-A1045-876  Mentzelia involucrata George K. Helmkamp 1977-3-20 Riverside Deep Canyon UCR Boyd Deep Canyon Reserve; sandy bottom of dry wash; ; ; Palm Desert 15'Q 304 Comment
  RSA698074  Mentzelia involucrata J. R. Bruff 1930-5-18 s.n. Riverside Shaver s Well. Comment
  UC192390  Mentzelia involucrata J. G. Lemmon April 1876 10 Riverside Colorado Desert, Whitewater River Comment
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Jan 15 2010
  UC672667  Mentzelia involucrata Margaret Stason 1927-2-12 1000 Riverside Colorado Desert,Palm Canyon Comment
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Nov 12 2011
  UC809708  Mentzelia involucrata E. K. Balls 1949-4-2 12896 Riverside between Mecca (Mortmar on Highway 111, on stony flats) 60 Comment
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Jun 24 2012
  UCD117240  Mentzelia involucrata Geoffrey Levin 1975-4-5 471 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of the Little San Bernadino Mountains. 60 Comment
  UCR50920  Mentzelia involucrata A. C. Sanders 1988-5-11 7796 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  CSUSB971  Mentzelia involucrata var. megalantha Bruce Freeman 1968-5-4 680504 5 Riverside Whitewater Canyon, 1 mile south of point where road crosses river. 487 Comment
  POM126264  Mentzelia involucrata var. megalantha Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver s Well, Colorado Desert. Comment
  RSA503389  Mentzelia involucrata var. megalantha Gary D. Wallace 1966-3-4 70 Riverside Along Dillon Rd. S slopes of the Little San Bernardino Mtns. 122 Comment
  RSA49379  Mentzelia jonesii P. A. Munz 1949-4-11 12997 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  UC64494  Mentzelia montana H. M. Hall June 1897 647 Riverside vicinity strawberry Valley; San Jacinto Mountains 1584 Comment
  JEPS41203  Mentzelia obscura E. E. Schellenger April 1920 Riverside near Coachella; Colorado Desert Comment
  UCR126991  Mesembryanthemum nodiflorum A. C. Sanders, Guy Bruyea 2003-6-12 26889 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
  RSA660502  Microseris douglasii subsp. douglasii A. C. Sanders, K. C. Rose 1998-5-21 21860 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR99188  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-3-30 2299 Riverside Siegal Ranch Road approx. 95 m south of Cajalco Road and 976 m east of the intersection of Cajalco Rd. and Sierra Ave., c. 20 m west of Siegal Ranch Road 451 Comment
  UCR214884  Microseris heterocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37676 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  SDSU10749  Mimulus aurantiacus H. Wedberg 1962-5-23 948 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UC922688  Mimulus aurantiacus var. pubescens Annie M. Alexander and Louise Kellogg 1940-3-21 888 Riverside 20 mi s Twenty Nine Palms (Barker Dam); Mohave Desert 1322 Comment
  UCR116515  Mimulus aurantiacus var. pubescens Dan Hare 2001-5-1 s.n. Riverside Upper Santa Ana River/San Bernardino Valley region, Box Springs Regional Park 720 Comment
  CLARK-A1528-4229  Mimulus bigelovii John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA420956  Mimulus bigelovii var. bigelovii M. B. Dunkle 1933-3-4 3065 Riverside Painted Canyon 91 Comment
  RSA649248  Mimulus bigelovii var. bigelovii Sears 1978-3-18 937 b Riverside Corn Springs Wash at Corn Spring, 7 mi. SE of Desert Center. 563 Comment
  UC886374  Mimulus bigelovii var. bigelovii I. W. Clokey 1935-4-17 4887 Riverside Cottonwood Springs Comment
  UC310840  Mimulus brevipes Philip A. Munz 1925-5-20 9821 Riverside 2 mi w Dripping Spring 426 Comment
  POM19196  Mimulus diffusus H. Baer 1923-4-24 s.n. Riverside Rice canyon, Santa Ana Moutains Comment
  RSA526488  Mimulus floribundus Steve Boyd, Tim S. Ross 1990-5-11 4685 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
  UCR233083  Mimulus floribundus T. B. Salvato, Richard Camacho 2011-6-12 5494 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR15997  Mimulus guttatus S. Nelson 1974-5-9 s.n. Riverside Santa Ana River Park 244 Comment
  UCR232018  Mimulus guttatus John F. Green 2008-4-21 02- 01 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  UCSB7515  Mimulus guttatus Ralph, F. 1959-5-16 Riverside in San Jacinto Mtns; 8.5 miles north of Idyllwild and about 17.8 miles south of the corner of 8th St. and San Gorgornio Rd., Banning 1676 Comment
  UC1931067  Mimulus pilosellus Scott D. White, Justin Wood 2008-7-8 12397 Riverside San Jacinto Mountains: Johnson Meadow. Comment
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Sep 26 2019
  UCR183014  Mimulus pilosus Mitch Provance 2003-5-5 4423 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 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
  UCR72435  Mimulus pilosus Steve Morgan, H. M. Soldan 1992-5-25 92 3 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  CAS-BOT-BC388771  Minuartia douglasii Steve Boyd 1986-5-7 1849 Riverside Temescal Canyon: Terrace escarpment between Horsethief Wash and Indian Truck Trail, south of I-15 Comment
  CAS-BOT-BC174764  Minuartia nuttallii var. gracilis George Robertson 21 Riverside Near Summit of Grayback near Redlands Comment
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Sep 3 2017
  UCR47223  Mirabilis californica B. G. Pitzer, L. F. LaPre 1987-3-2 0435 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  CAS-BOT-BC434673  Mirabilis laevis var. crassifolia Marian L. Campbell 1921-3-19 50 Riverside Banning Comment
  JEPS26558  Mirabilis laevis var. crassifolia Peter Kamb 1948-4-11 902 Riverside Whitewater Wash near Whitewater 457 Comment
  RSA0027988  Mirabilis laevis var. crassifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3874 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
  RSA0125279  Mirabilis laevis var. retrorsa Duncan S. Bell 2016-3-3 8784 Riverside Whitewater Canyon; near mouth of canyon, approximately 1 air mile south of Bonnie Bell, east side of the road, north of large gravel pit. 460 Comment
  RSA784965  Mirabilis laevis var. retrorsa Duncan S. Bell 2012-3-18 3229 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  SD225031  Mirabilis laevis var. villosa G. K. Helmkamp 1998-4-4 3131 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 456 Comment
  SEINET8255138  Mohavea D. W. McNeal 1988-3-18 3230 Riverside bottom of Mecca Canyon beside Hwy. #195, 9.5 mi. sw. of Interstate #10 s. of Joshua Tree Nat. Mon. Comment
  HSC28442  Mohavea confertiflora R. W. Spjut 1973-4-10 3295 Riverside Colorado Desert: N slopes of the Chuckawalla Mtns., 3-4 mi. directly S of Desert Center 305 Comment
  RSA408756  Mohavea confertiflora N. C. Cooper 1949-4-8 3256 Riverside Mecca Pass east of Indio. 610 Comment
  SD21519  Mohavea confertiflora Ethel B. Higgins 1938-5-21 5761 Riverside Shaver's Summit Comment
  UC69214  Mohavea confertiflora E. E. Schellenger Apr. 1905 Riverside Santa Maria Mountains, Colorado Desert Colorado Desert; Santa Maria Mountains, Colorado Desert Comment
  RSA401645  Monardella australis subsp. australis Louis C. Wheeler 1931-10-3 196 Riverside Fern Valley-Tahquitz Valley trail, San Jacinto Mtns. 2378 Comment
  RSA801725  Monardella breweri subsp. lanceolata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6166 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  UCR193738  Monardella breweri subsp. lanceolata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35656 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  RSA0103093  Monardella linoides subsp. linoides Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8547 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UC1499906  Monardella nana Elizabeth McClintock 1941-6-8 65 Riverside Pines to Palms Highway, at turn off to Santa Rosa Mts. Comment
  RSA0014346  Monardella nana Elizabeth McClintock 1941-7-21 125 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance beyond the creek which is above Willow Creek. Comment
  RSA401634A  Monardella nana subsp. arida Robert Gustafson, Gary D. Wallace 1982-5-19 2574 Riverside Pines to Palms Hwy. (Hwy. 74), in the vicinity of Ribbonwood. Comment
  RSA750409  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 64 Riverside Road to Santa Rosa Mt. 2.5 miles above Pines to Palms Highway. Comment
  RSA750417  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 54 Riverside About 5 miles from the Anza Monument turn off. Comment
  JOTR30839  Monardella robisonii La Doux, Tasha, Jim Andre 2008-9-16 349 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  RSA751505  Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Joshua Tree National Park: Among boulders on NE end of Splitrock Picnic Area. 1327 Comment
  UCR187488  Monolepis nuttalliana Diane Menuz, Theresa Johnson 2006-5-9 075 Riverside Peninsular Range; Perris Basin, San Jacinto Wildlife Area, across the street from the information booth, north of Lakeview and east of Davis Rd. 434 Comment
  CAS-BOT-BC349791  Monoptilon bellioides F. W. Peirson 1926-1-31 6491 Riverside Dos Palmas, northern Colorado Desert Comment
  POM363592  Monoptilon bellioides Martha Hilend 1928-3-11 97 Riverside Morongo Pass, Colorado Desert region. Comment
  UCR104032  Monoptilon bellioides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2734 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCSB9912  Monoptilon bellioides Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  SEINET10800994  Monoptilon bellioides David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2912 Riverside Hill slope by quadrat 4. Pushawalla Canyon Biota. Indio Hills. Comment
  CAS-BOT-BC275304  Muhlenbergia microsperma I. M. Johnston 1920-5-8 2262 Riverside Box Spring Mountain Comment
  POM14440  Muhlenbergia microsperma P. A. Munz, Johnston 1922-5-21 5550 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  RSA0123752  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-10 8871 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA262063  Muhlenbergia microsperma E. W. Lathrop 1966-3-23 6085 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. Comment
  SEINET255560 Image available Muhlenbergia microsperma Mitch Provance 2004-5-1 7604 Riverside Granitic Knolls of Riverside, W side of Versity Hill (Coyote Hill), S side of the UCR campus 396 Comment
  UC60797  Muhlenbergia microsperma H. M. Hall 1902-4-26 2978 Riverside Box Springs Mt. vicinity of Riverside 685 Comment
  UC70986  Muhlenbergia microsperma H. M. Hall Apr. 1903 3805 Riverside vicinity of Riverside 365 Comment
  UCR92185  Muhlenbergia microsperma D. L. Banks, Steve Boyd 1995-5-3 0249 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  SEINET10599994  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-3 Boyd 4101 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of "Big" Oak Mtn., just S of the E summit. T8S R1W S3 N1/2. Clay soil on Gabbro. Coastal sage scrub, chaparral on slopes, grassy flats. 610 Comment
  RSA337843  Muhlenbergia porteri R. F. Thorne 1979-8-22 53575 Riverside Joshua Tree National Monument: Hidden Valley; Nolina Rocks near Sheep Pass and sand quarry. 1341 Comment
  CAS-BOT-BC274912  Muhlenbergia rigens Peter H. Raven; Sidney R. Snow 1956-6-30 9536 Riverside Dripping Springs Guard Station, Temecula River Comment
  SEINET3887720  Muilla clevelandii N. Duane Atwood, L. Stritch 1993-4-2 17901 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands.; 0 671 Comment
  HSC78733  Muilla maritima A. C. Sanders, T. Glenn 1983-4-17 3731 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  UC219288  Muilla maritima P. A. Munz and I. M. Johnston 1922-5-20 5465 Riverside Kenworthy San Jacinto Mts. 1432 Comment
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Mar 25 2011
  UCR20438  Myosurus minimus subsp. apus John C. Roos 1952-4-9 5515 Riverside Rolling flats at Edgemont, near Box Springs 488 Comment
  SD138817  Myosurus minimus var. apus Craig Reiser Unknown Riverside Hemet; southwestern corner of Florida & Warren Comment
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Mar 24 2011
  RSA0025077  Myriophyllum verticillatum Steve Boyd, T. S. Ross 1989-8-28 3800 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SD80142  Myriopteris covillei Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 363 Riverside Deep Canyon south of Highway 74, ca 2 miles up water service road, below crossing; north slope Santa Rosa Mountains 1310 Comment
  UC68783  Nama H. M. Hall Apr., 1905 5886 Riverside Chuckawalla Bench , Chuckawalla Bench (Colorado Desert) Comment
  CLARK-A1528-546  Nama demissa Fred B. Essig 1967-3-12 Riverside Joshua Tree National Park Comment
  RSA421115  Nama demissa Robert M. Perkins 386 Riverside 26 miles East of Indio. Comment
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Mar 9 2014
  SEINET9122027  Nama demissa Katherine Muller 1952-1 562 Riverside At S entrance to Joshua Tree National Monument. Comment
  RSA112808  Nama hispida var. spathulata H. D. Ripley, R. C. Barneby 1942-4-1 4267 Riverside 15 miles W of Blythe, Riverside County. Alt 450m 450 Comment
  RSA4961  Nama hispida var. spathulata Carl B. Wolf 1932-4-27 3036 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  UCR29819  Nama pusilla George K. Helmkamp 1983-3-24 383- 9 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  RSA496122  Nassella cernua Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2999 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  POM14408  Nassella lepida P. A. Munz 1922-4-28 5028 Riverside 5 miles north of Glen Ivy Comment
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Apr 3 2011
  RSA575823  Nassella lepida Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, norhteastern edge of the Gavilan Plateau on bouldery ridge (2427') to N of flats. Comment
  UCR181629  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  RSA557348  Navarretia fossalis Julie Greene 1993-5-12 1299 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  UCR85575  Navarretia fossalis Julie A. Greene 1993-5-12 1299 Riverside Perris-Aguanga Basin region, South of gated West-East road, east of Davis Rd. 433 Comment
  UCR222306  Navarretia intertexta R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55217 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
  RSA65002  Nemacaulis denudata var. gracilis F. W. Peirson 1917-4-1 1780 Riverside Palm Springs. Comment
  UC472774  Nemacaulis denudata var. gracilis P. C. Standley 1920-4-6 1376 Riverside in vupibus pr. Palm Springs; Colorado Desert 121 Comment
  SEINET1874670 Image available Nemacladus glanduliferus D. A. Johansen, J. A. Ewan 1932-4-11 7086 Riverside Martinez Canyon, Santa Rosa Mountains. 340 Comment
  UCR282171  Nemacladus glanduliferus A. C. Sanders, Amy Litt, Plant Taxonomy Class 2017-4-8 43204 Riverside Sonoran (Colorado) Desert, near Cactus City Compressor Station, off frontage road south of I-10 and west of Chiriaco Summit 416 Comment
  RSA0126341  Nemacladus longiflorus var. longiflorus E. C. Jaeger 1921-7-7 1178 Riverside Tahquitz trail. Comment
  RSA0112640  Nemacladus ramosissimus A. C. Sanders, D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 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
  SEINET10461110 Image available Nemacladus rubescens Harvey M. Hall 1905-4-17 Hall 5819 Riverside Indio Mountain; type of Nemacladus adenophorus Parish 150 Comment
  SEINET3409351  Nemacladus tenuis var. aliformis G. Rink, T. Thomas 2013-3-30 11922 Riverside About 3 miles east of Desert Center 220 Comment
  CLARK-A1528-2986  Nemophila menziesii John C. Roos 1952-3-1 5361 Riverside Reche Canyon 457 Comment
  RSA556434  Nemophila menziesii Julie Greene 1993-3-10 1126 Riverside San Jacinto Wildlife area. 476 Comment
  RSA736311  Nemophila menziesii Scott D. White, Justin M. Wood 2008-3-25 11783 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  SD4046  Nemophila menziesii Edmund Jaeger 1925-5-10 Riverside Banning-Idyllwild Road, San Jacinto Mountains. 1219 Comment
  UCR96816  Nemophila menziesii Scott D. White 1993-3-12 1178 Riverside Near Winchester 466 Comment
  UC63801  Nemophila menziesii var. integrifolia H. M. Hall July, 1901 2266 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains 1554 Comment
  UCR117424  Nemophila menziesii var. integrifolia A. C. Sanders 1994-5-29 14580 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  SEINET270112 Image available Neogaerrhinum strictum Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains Indian Portero Trail south from Verdugo Portero to Indian Portero on ridge between Talega 610 Comment
  RSA278981  Nicotiana obtusifolia Barry A. Prigge, L. Martinez 1978-3-23 2431 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCD126751  Nicotiana obtusifolia L. S. Stone 1936-1-1 s.n. Riverside L.A. Aqueduct Road, 17 miles north of Indio. Comment
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Feb 1 2014
  UCR128939  Nicotiana obtusifolia Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR174234  Nicotiana quadrivalvis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32665 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
  LA22820  Nolina parryi Carl Epling; 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  RSA305665  Nolina parryi Walter Wisura, C. W. Tilforth 1979-10-11 1924 Riverside South end of Thomas Mountain Road, west of Highway 74, south of Lake Hemet. Comment
  UCSB24520  Nolina parryi McCarthy, Sharon 1965-5-9 Riverside 1.6 miles west of Pinyon Flats Campground on St. Hwy. 74 east of Anza 1310 Comment
  SEINET3288972 Image available Nolina parryi Loraine Yeatts, Dick Yeatts 2002-4-15 4767 Riverside Comment
  POM886  Notholaena californica subsp. californica I. M. Johnston 1918-4-27 1864 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  SD3334  Oenothera californica Ruth B. Randall 1926-2-22 294 Riverside Coachella Valley. Comment
  LA206154  Oenothera deltoides A. M. Johnson; 1932-3-20 3903 Riverside Indian Wells, below Palm Springs Comment
  RSA771101  Oenothera elata subsp. hirsutissima Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4717 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65132 604 Comment
  CAS-BOT-BC427465  Oligomeris linifolia E. A. McGregor 1917-3-19 799 Riverside Colorado Desert. Indio Sands near U. S. Date Garden Comment
  POM8531  Oligomeris linifolia Mary F. Spencer 1920-3-14 234 Riverside Desert sand, Colorado Desert. -60 Comment
  UCR87649  Olneya tesota A. C. Sanders 1994-6-1 14622 Riverside Sonoran (Colorado) Desert, Box Canyon in the Mecca Hills, c. 4.5 mi below Shaver's Well, 12 mi southwest of the Box Canyon Road intersection with Hwy I-10 150 Comment
  OBI59203  Oncosiphon piluliferum Robert Noll 1998-3-23 s.n. Riverside Moreno Valley, E of Lake Perris along JFK Blvd. Also seen in Orange county, Haul Cyn Rd, Irvine Ranch Comment
  UCR249221  Oncosiphon piluliferum LeRoy Gross, Bart O'Brien 2013-3-18 5950 Riverside Coastal Plains and Basins; San Bernardino Basin Region, Fairmount Park, west side of Lake Evans, Riverside, NE of Mt. Rubidoux 238 Comment
  CAS-BOT-BC58054  Opuntia basilaris var. basilaris F. A. Thackery 1924-2-8 41 Riverside Field redacted by CAS, contact the data manager for more information Comment
  POM314609  Opuntia basilaris var. basilaris J. W. Toumey 1895-4-10 s.n. Riverside Banning. Comment
  UCR257140  Opuntia californica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24940 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR125198  Opuntia littoralis Mitch Provance 1998-5-24 530 Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  RSA20710  Opuntia parryi C. B. Wolf 1938-1-5 9385 Riverside San Gorgonio Pass, 1 mile west of Cabazon. 549 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
  POM20705  Opuntia polyacantha var. erinacea C. B. Wolf, Percy C. Everett 1938-9-29 9458 Riverside Desert slope of San Jacinto Range, Upper edge of Pinyon flat on the Palms to Pines Highway. 1220 Comment
  RSA285350  Opuntia polyacantha var. erinacea Lyman Benson 1955-12-6 15628 Riverside Pines to Palms Hwy; San Jacinto Mts. 1372 Comment
  JEPS31984  Oreostemma alpigenum var. andersonii Carl V. Meyer 1928-7-31 600 Riverside Tahquitz Valley, boggy meadow San Jacinto Mountains, Tahquitz Valley 2286 Comment
  UCR89765  Orobanche bulbosa Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3327 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  JEPS85944  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4522 Riverside ca 16 mi ne Desert Center (along Rice Rd) Comment
  RSA0072125  Orobanche cooperi G. K. Helmkamp 1998-4-4 3144 Riverside Southern Mojave Desert: junction of CA Hwy 62 (Twentynine Palms Hwy) & CA Hwy 177 (Desert Center-Rice Rd). 457 Comment
  RSA0059397  Orobanche cooperi subsp. cooperi Ernest Braunton 1940-01 2006 Riverside Near Indio. Comment
  RSA0076495  Orobanche fasciculata Steve Boyd, Chris Frazier 1993-4-24 8008 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA0103622  Orobanche parishii subsp. parishii Duncan S. Bell, Sarah DeGroot 2015-9-21 8647 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, at Portrero Spring. 1074 Comment
  UCR21126  Orobanche parishii subsp. parishii A. C. Sanders, K. Berg 1979-10-27 946 Riverside San Jacinto Mtns., James Reserve along a trail near the weather station 1646 Comment
  CLARK-A1045-166  Orthocarpus densiflorus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA356711  Orthocarpus purpurascens Robert F. Thorne, E. W. Lathrop 1975-5-20 45511 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  RSA660755  Orthocarpus purpurascens Giancarlo Massarotto 1981-4-11 36 Riverside Calico Road 11 miles east of Corona land mark. Comment
  SD136900  Osmadenia tenella Steve Boyd, Tim Ross 1992-6-10 7626 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Cyn about Potrero Escondido due west of junction Tenaja and Los Alamos Rds 669 Comment
  RSA221076  Oxytheca trilobata E. W. Lathrop 1966-5-29 6382 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  RSA518449  Paeonia californica C. W. Tilforth, D. Tilforth 1977-3-6 1264 Riverside 0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 and Forestry Rd. 6S06. Comment
  SD7982  Paeonia californica Daniel Cleveland 1882-4-22 Riverside Temecula Comment
  UCR91597  Paeonia californica D. L. Banks, Steve Boyd 1995-3-15 0066 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  CAS-BOT-BC327920  Palafoxia arida John H. Thomas 1957-3-30 6528 Riverside 8.1 miles E of Cactus City, about 13 miles E of Coachella. near US Hwys 60 and 70. Colorado Desert. 518 Comment
  CAS-BOT-BC327931  Palafoxia arida Peter H. Raven 1958-1-23 11412 Riverside 2.7 miles W of Whitewater Post Office Comment
  CAS-BOT-BC327942  Palafoxia arida D. B. Dunn; H. Brown 1947-1-12 2840 Riverside Pushawalla Canyon, Indio Hills Comment
  HSC66446  Palafoxia arida Christopher Davidson, B. Gustafson 1977-4-7 5582 Riverside Whitewater Canyon Road, (exit from I-10, 2.5 mi. W of junction I-10 with State 62, near start of Angeles Crest Trail.) 610 Comment
  SBBG65759  Palafoxia arida R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn Comment
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Oct 31 2011
  POM41562  Palafoxia arida var. arida Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA0013750  Palafoxia arida var. arida April Garbat, Sarah J. De Groot 2013-3-27 28 Riverside Hwy 177 N of Hwy 10, N of Palen Pass Rd. On E side of the road 398 Comment
  UC1590093  Palafoxia arida var. arida Christopher Davidson and B. Gustafson 1977-4-7 5582 Riverside exit from I-10 ca 2.5 mi w jct. I-10 with State-62 (near start of Angeles Crest Trail); Whitewater Canyon Rd. 609 Comment
  UC573917  Panicum capillare H. S. Yates 1937-6-27 6707 Riverside near Relief Hot Springs; San Jacinto Quad. Comment
  CLARK-A1528-4390  Parietaria floridana John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  CAS-BOT-BC413374  Parietaria hespera var. californica Steve Boyd 1992-4-15 6877 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  RSA689406  Parietaria hespera var. californica Scott D. White, Michael Honer 2003-4-9 8999 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UCR101559  Parietaria hespera var. californica A. C. Sanders 1997-3-19 20052 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  RSA737261  Parkinsonia aculeata Scott D. White, Justin M. Wood 2008-9-17 12541 Riverside Perris Basin: Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UCR199618  Parkinsonia aculeata Scott D. White, Angelia Carey 2004-7-2 10553 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR167256  Parkinsonia florida 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
  RSA289826  Paspalum distichum B. A. Prigge 1980-9-17 4087 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel., Near Lat. 33 : 34 N ; Long. 116: 6 W. -55 Comment
  UCD88699  Paspalum notatum C. W. Tilforth 1976-9-19 1224 Riverside at 317 Swan Lake Mobile Home Park, Mira Loma (10 miles north of Corona.) Comment
  CAS-BOT-BC258775  Paspalum urvillei S. B. Parish 1913-9-23 8620 Riverside Palm Springs R. R. Station, Colorado Desert Comment
  RSA781604  Pectis papposa Duncan S. Bell 2011-12-30 3028 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR24128  Pectis papposa John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 18 mi. west of Blythe 122 Comment
  JOTR31803  Pectis papposa var. papposa La Doux, Tasha, Bill Truesdell 2007-11-9 2511 Riverside Joshua Tree National Park. Pinto Basin, where Fried Liver Wash crosses Pinto Basin Road; between Hexie and Pinto Mountains (Stop 1) 532 Comment
  RSA782787  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-4 054 Riverside Red Cloud Wash Road exit from I10. Follow Red Cloud Wash Rd approximately 5.5 miles. Chuckwalla Bench ACEC. 593 Comment
  RSA77873  Pectocarya heterocarpa F. W. Peirson 1935-4-17 11473 Riverside 30 miles north of Blythe. Comment
  RSA716430  Pectocarya linearis Scott D. White 2006-4-27 11316 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR113195  Pectocarya linearis A. C. Sanders 1998-3-11 21675 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR114841  Pectocarya linearis Mitch Provance 1998-2-17 72 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  RSA689498B  Pectocarya linearis subsp. ferocula Scott D. White 2001-4-19 8374 -B Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UCR244429  Pectocarya penicillata Jim Andre 2012-4-16 20962 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  UC1178535  Pectocarya peninsularis Peter Kamb 1948-4-11 887 Riverside 5 mi e Garnet (Aqueduct Rd); Coachella Valley 304 Comment
  RSA0125296  Pectocarya platycarpa Duncan S. Bell 2016-3-3 8782 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA775948  Pectocarya platycarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 938 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UC2015552  Pectocarya platycarpa A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15995 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCD120139  Pectocarya platycarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1454 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  UCR116611  Pectocarya platycarpa A. C. Sanders 2001-3-20 23838 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  UCR214280  Pectocarya platycarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37470 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
  RSA49357  Pectocarya recurvata P. A. Munz 1949-4-11 13009 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  RSA500996  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3115 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  RSA777632  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 769 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  SEINET5527589 Image available Pectocarya recurvata Andrew C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6122 Riverside Corn Spring, Chuckwalla Mountains, wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR213268  Pectocarya recurvata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37441 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  SEINET9337992  Pectocarya setosa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR108841  Pellaea mucronata Heidi A. Haid 1968-5-4 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  POM855  Pellaea mucronata var. mucronata O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA686887  Pellaea mucronata var. mucronata Norman C. Cooper 1944-5-21 1305 Riverside San Jacinto Mountains, West side 915 Comment
  UC527740  Pellaea mucronata var. mucronata C. B. Wolf 1931-5-11 Riverside above Hemet Valley (near Pipe Creek); San Jacinto Mts 1676 Comment
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Mar 24 2011
  SD144116  Pennisetum setaceum A. C. Sanders, P. MacKay 1994-10-23 15848 Riverside San bernardino Mountains, Whitewater River Canyon, between the trout hatchery & Bonnie Bell, in moist sand near the stream on the canyon bottom 580 Comment
  RSA658973  Pennisetum setaceum Viki Cruz 1983-5-8 14 Riverside Collected above the second waterfall at the base of the east facing slope of Magnesha Canyon, Santa Rosa Mtns. Comment
  CAS-BOT-BC6790  Penstemon californicus Philip Alexander Munz; Ivan Murray Johnston 1922-5-21 5445 Riverside San Jacinto Mts. 2 mi below Kenworthy, Thomas Valley 1371 Comment
  POM49149  Penstemon centranthifolius Philip A. Munz 1924-5-18 8132 Riverside 18 miles from Banning on Idyllwild Road Alt. 1524 Comment
  RSA412459  Penstemon centranthifolius N. C. Cooper 1945-5-24 1623 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
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May 13 2011
  UCR121247  Penstemon centranthifolius Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2280 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR133452  Penstemon centranthifolius Tracy Tennant, J. S. Ross 1998-5-7 MOR- 80 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon, c. 0.6miles NNW of Cabazon. 1280 Comment
  UCSB16963  Penstemon centranthifolius Feldmann, P. 1963-5-4 Riverside 5 mi. along road from Banning; on road from Banning to Idyllwild 1371 Comment
  SEINET10299459  Penstemon clevelandii Melissa Luckow, Rhonda Riggins 1982-4-15 822 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW of junction Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  SFV17407  Penstemon clevelandii M. S. Valenzuela, P. Wilson, G. Aldridge, H. Crandall 1998-6-5 73 Riverside Highway 74 near Santa Rosa Mountain Road. 1220 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
  UCR29644  Penstemon clevelandii subsp. connatus Wende Rehlaender 1983-5-28 117 Riverside Peninsular Ranges, Santa Rosa Mountains, Pinyon Flats Campground, c. 13.5 mi. along Hwy 74 from Palm Desert; 3.5 mi. north of Santa Rosa Mountain, 3 mi. south of Asbestos Mountain Comment
  UCR24496  Penstemon eatonii John C. Roos 1943-5-23 2676 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 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
  SD28120  Penstemon labrosus Carl B. Wolf 1932-8-4 3929 Riverside San Jacinto Mts. Strawberry Valley, 1 1/2 mi. from Idyllwild on road to Banning 1707 Comment
  NY640880  Penstemon pseudospectabilis subsp. pseudospectabilis P. A. Munz 1922-4-9 4909 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457.2 Comment
  JEPS11602  Penstemon spectabilis var. spectabilis W. L. Jepson 1928-4-19 12436 Riverside Temecula Temecula (sw Riverside Co.) 310 Comment
  NY661169  Penstemon spectabilis var. spectabilis W. L. Jepson 1928-4-19 12436 Riverside Temecula 310.6 Comment
  UC1979642  Penstemon spectabilis var. spectabilis Steve Boyd 1995-4-24 8490 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as Agua on the USGS Vail Lake 7.5' quadrangle. Comment
  RSA753482  Pentachaeta aurea Scott D. White, Justin M. Wood 2009-5-21 12861 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  UC1930016  Pentachaeta aurea Scott D. White, Justin Wood 2008-5-15 11987 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  SDSU17513  Pentagramma triangularis Jerry Jenkins 2001-3-30 2001 -007 Riverside Santa Margarita Ecological Reserve. Foot of Shaded bluff, west side of S.M. River, slightly north of station. UTM zone 6, 481700N, 3699150E. UTM transfered to GIS. Comment
  SBBG2631  Peritoma arborea H. and M. Dearing 1939-12-31 4045 Riverside 5 mi N of Palm Springs Comment
  CAS-BOT-BC77493  Peritoma arborea var. angustata H. M. Hall 1905-4-1 5993 Riverside Near Indio 60 Comment
  CAS-BOT-BC77496  Peritoma arborea var. angustata Roxana S. Ferris 1918-6-14 990 Riverside At Shavers Well in Box Canyon, Chocolate Mts. Comment
  CAS-BOT-BC355990  Perityle emoryi J. Cole 1942-5-19 971 Riverside Ruby Lee Mill Site, Joshua Tree National Monument 914 Comment
  RSA15500  Perityle emoryi L. S. Rose 1935-12-23 35687 Riverside Above Deep Canyon, San Jacinto Mts, 13 miles S of Cathedral City. 610 Comment
  JOTR35184  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  UCD13372  Persicaria lapathifolia Patricia Gordon-Reedy 1996-1 s.n. Riverside Shores of Lake Skinner. Comment
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Nov 20 2011
  UC598734  Petalonyx thurberi subsp. thurberi John Bright 1936-4-21 12792 Riverside n. of Palm Springs; Colorado Desert Comment
  RSA0121245  Peucephyllum schottii Sherwin Carlquist 1958-10-12 628 Riverside Eagle Mt., pumping station. Comment
  SBBG62763  Peucephyllum schottii M. N. Ackley 1928-3-31 303 Riverside Hidden Spring 304 Comment
  RSA93142  Peucephyllum schottii Alice Yates, Jas E. Wilcox 1954-1-29 s.n. Riverside 3 miles N of Desert Hot Springs 396 Comment
  SEINET10941524  Peucephyllum schottii David B. Dunn, A. Folsom 1948-6-17 Dunn 3813 Riverside Near quad three. At camp in Pushawalla; canyon under palms. Comment
  SEINET7907969  Phacelia D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris and Lake Elsinore 488 Comment
  CLARK-A1656-667  Phacelia bicolor Lois Ann Scott 1978-3-28 Riverside Joshua Tree National Park 1066 Comment
  RSA653543  Phacelia brachyloba Scott D. White 1999-5-24 7382 (unic.) 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
  RSA427705B  Phacelia campanularia Ora M. Clark 1929-2-22 183 Riverside E. of Whitewater Comment
  UCR88298  Phacelia campanularia A. C. Sanders, K. C. Rose 1995-4-5 16369 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SD148138  Phacelia ciliata A. C. Sanders, Sue Nash, Tom Paulek, et al. 2002-4-7 24902 Riverside Perris-Aguanga Basin region: San Jacinto Wildlife Area, west side of Davis Road, just north of the old San Jacinto River channel. 434 Comment
  UCR6374  Phacelia ciliata Leland E. Francois 1966-3-6 s.n. Riverside Perris-Aguanga Basin, Lakeview, north of public dump Comment
  SD181483  Phacelia crenulata Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1094 Riverside Transverse Ranges, Little San Bernardino Mountains region, mouth of West Wide Canyon, west side of Channel Run; Seven Palms Valley [quad]. Comment
  RSA658860  Phacelia distans J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
  UCD120432  Phacelia distans R. L. Smith 1948-3-24 s.n. Riverside North east side of San Jacinto Mountains. Comment
  UCR193743  Phacelia distans A. C. Sanders, Mitch Provance 2008-7-11 35748 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
  JEPS21174  Phacelia fremontii H. S. Yates 1937-3-24 6474 Riverside near mouth of Deep Canyon; Thermal Quadrangle 304 Comment
  SEINET10697869  Phacelia imbricata Salvato 2004-5-27 SALVATO 620 Riverside San Bernardino Mtns: head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. Upper canyon, pine woodland. 1402 Comment
  UC1228377  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 767 Riverside along CA route 74 about 1 mi w Idyllwild junction 1402 Comment
  RSA0037194  Phacelia minor Tamara Joy Hanna 1991-5-4 2 Riverside Area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  RSA654551  Phacelia minor Bruce Albert 1982-4-17 77 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UCR263758  Phacelia minor J. M. Porter, Lauren E. Machen 1997-2-15 11418 Riverside Gavilan Hills, north of Hwy I-15 at the Lake Street/Walker Canyon exit, 4.4 mi northeast of the Hwy 74 exit a t Lake Elsinore 390 Comment
  RSA4922  Phacelia neglecta Carl B. Wolf 1932-4-28 3089 Riverside Mesas at western edge of Maria Mts, eastern Colorado Desert, 17 miles from Blythe on the Rice road. 152 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
  SEINET3091923 Image available Phacelia ramosissima Scott White 1991-5-10 91 -130 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Comment
  UC52395  Phlox gracilis H. M. Hall May 1899 Riverside Strawberry Valley San Jacinto Mts. 1828 Comment
  SEINET10743458  Pholisma arenarium Charles L. Hitchcock, C. V. Muhlick 1964-3-22 Hitchcock 23269 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  CAS-BOT-BC135074  Phoradendron californicum John Thomas Howell 1927-8-1 2883 Riverside Morongo Canon [Canyon], N Colorado Desert 609 Comment
  CAS-BOT-BC135111  Phoradendron californicum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  JEPS121555  Phoradendron californicum Adam C. Schneider with Will Freyman 2014-2-16 398 Riverside Upper Box Canyon Road. Comment
  JEPS42602  Phoradendron californicum S. B. Parish 1920-3-26 20010 Riverside Colorado Desert, Indian Wells Comment
  RSA27714  Phoradendron californicum C. Leo Hitchcock 1940-4-2 5917 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA703485  Phoradendron californicum LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1465 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR260262  Phoradendron californicum A. C. Sanders, Jim Malusa 2015-3-11 41402 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  CAS-BOT-BC135181  Phoradendron juniperinum Edmund C. Jaeger 1922-6-20 s.n. Riverside Caramba Camp. Tacquitz Creek, San Jacinto Mts. Comment
  UCSB39083  Phoradendron leucarpum subsp. tomentosum Jorgensen, Jan 1982-1-19 Riverside 1 kilometer up Carizzo Road from highway 74 north of Palm Desert, San Jacinto Mountains 1100 Comment
  UCR26446  Phoradendron pauciflorum A. C. Sanders, J. A. Harpel 1981-8-26 2335 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  CAS-BOT-BC171146  Phoradendron serotinum subsp. tomentosum Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley, San Jacinto Comment
  RSA33894  Phoradendron villosum N. C. Cooper 1943-9-11 896 Riverside East side San Jacinto Mtns. 1372 Comment
  UCD170895  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 351 Comment
  RSA0093747  Physalis crassifolia Jim M. Andre 2012-4-11 20721 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  RSA423813  Physalis crassifolia N. C. Cooper 1944-4-8 1059 Riverside Andreas Canyon. 305 Comment
  RSA423815  Physalis crassifolia M. B. Dunkle 1933-3-4 3065 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA663919  Physalis crassifolia C. R. Annable 1995-3-15 2285 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  RSA733960  Physalis crassifolia W. Marquart 1938-3-12 s.n. Riverside 20 miles west of Blyth. Comment
  RSA782197  Physalis crassifolia Duncan S. Bell 2011-10-22 2984 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
  UCR241004  Physalis crassifolia Tracy Tennant 1998-3-4 178 Riverside San Jacinto Valley, south slope of the North Hills, Domenigoni Valley area, SE of Winchester 694 Comment
  JOTR00960  Physalis crassifolia Moran, Reid 1941-5-5 857 Riverside Joshua Tree National Park. COTTONWOOD PASS Comment
  UCD98404  Phytolacca americana var. americana Don Domenigoni 1986-4-21 s.n. Riverside At the Young property, Hemet. Comment
  SEINET3288971 Image available Pinus Loraine Yeatts, Dick Yeatts 2002-4-15 4768 Riverside Comment
  SEINET3871933  Pinus cembroides var. parryana Victor Duran 1933-7-2 3495 Riverside Near Santa Rosa, Santa Rosa Mountains.; 0 1676 Comment
  LA6050  Pinus contorta subsp. murrayana A. H. Lange; 1951-5-27 sn Riverside San Jacinto Mountains, Tauquitz (Tahquitz) Peak 2133 Comment
  RSA761234  Pinus coulteri Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 720 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CSUSB2069  Pinus flexilis Lalo Codona 1972-7-20 1059 Riverside Mt. San Jacinto 2864 Comment
  IRVC2816  Pinus flexilis R. H. Whittaker, W. A. Niering 1963-6-13 SJ 466 Riverside Near summit of Jean Peak just S of San Jacinto Peak. San Jacinto Mtns. 3201 Comment
  RSA5238  Pinus flexilis C. B. Wolf 1932-8-5 3982 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  RSA682885  Pinus flexilis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1448 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UC64435  Pinus flexilis W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1452 Riverside Santa Rosa Peak Comment
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Nov 7 2015
  SD229025  Pinus jeffreyi Dick Schwenkmeyer 2012-9-20 841 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  SEINET11610609  Pinus lambertiana D. A. Charlet, Dene Charlet 2010-5-7 3353 Riverside San Bernardino Mountains, San Jacinto Mountain 2609 Comment
  UCR31326  Piperia elongata A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3868 Riverside San Jacinto Mtns, Hwy 243 at the Poppet Flats Tuck Trail 1220 Comment
  RSA561111  Piptatherum miliaceum Steve Boyd, Timothy S. Ross, D. Bramlet 1993-5-12 7322 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA725952  Pistacia atlantica Tom Chester 2006-3-9 869 Riverside Santa Ana Plateau Ecological Reserve: Los Santos Trail, next to tributary to Cole Creek, 0.25 miles (0.4 km) sw pf peak 2064 next to Tenaja Truck Trail. 591 Comment
  UCR84048  Pistacia atlantica A. C. Sanders, L. Ard 1994-7-11 15060 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  UCR172247  Plagiobothrys acanthocarpus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  SEINET4691425  Plagiobothrys arizonicus T. B. Salvato, Tracy Tennant 1998-1 MOR- 1217 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03. 793 Comment
  SBBG120004  Plagiobothrys canescens A. C. Sanders with K. Volansky 2005-3-17 29236 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  SBBG63863  Plagiobothrys canescens M. N. Ackley -May-1929 1298 Riverside Tahquitz Lodge 1524 Comment
  SEINET959162  Plagiobothrys canescens John F. Green 2006-1 Riverside Northeast of Murrieta, just south of Los Alamos Rd. (''Clinton Keith Rd.'') on east and west sides of Liberty Rd. border between City of Murrieta and uniincorporated French Valley (Murrieta 7.5' Q) 415 Comment
  UCR98061  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  RSA9016  Plagiobothrys canescens P. A. Munz, R. D. Harwood 1920-3-20 3383 Riverside 5 miles S of Corona. 305 Comment
  UC25041  Plagiobothrys collinus var. californicus W. H. Brewer 1861-2-1 157 Riverside se from mines (center Temescal Range); center Temescal Range Comment
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Jul 6 2010
  UCR241806  Plagiobothrys collinus var. californicus A. C. Sanders, Dave King 2013-4-11 40792 Riverside Peninsular Range; SE edge Gavilan Hills, hills east of Hwy 74 and south of Perris, SCE power line route NE of intersection of Theda and Eugene streets 511 Comment
  SEINET998504  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-1 9895 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. 274 Comment
  SEINET3078297 Image available Plagiobothrys jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37475 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q.) 204 Comment
  RSA543871  Plagiobothrys leptocladus Steve Boyd, Dave Bramlet 1991-5-13 6228 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture of N of Santa Fe RR tracks, W of San Diego Aqueduct Comment
  SD262235  Plagiobothrys leptocladus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 23 Riverside Elsinore Trough: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  POM184250  Plagiobothrys nothofulvus P. A. Munz 1932-3-24 12013 Riverside Corona 366 Comment
  UCR201657  Plagiobothrys tenellus Scott D. White, Justin M. Wood 2008-5-15 12000 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  SDSU21873  Plagiobothrys undulatus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3978 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  RSA198937  Plantago bigelovii subsp. californica Robert F. Thorne, Ora M. Clark, E. W. Lathrop, S. Carlquist 1968-4-18 37445 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  UCR77581  Plantago elongata Steve Boyd, D. E. Bramlet 1991-5-13 6230 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  UCR102879  Plantago erecta A. C. Sanders 1997-3-26 20129 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA502521  Plantago major Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3576 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  JEPS22327  Plantago ovata Peter H. Raven 1958-2-15 11563 Riverside Corn Springs Chuckwalla Mountains Comment
  SD258466  Plantago ovata J. M. Andre 2013-3-4 23871 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mile west of Highway 95, ca. 12 miles south of Vidal Jct. 127 Comment
  UC494677  Plantago ovata Philip A. Munz 1932-3-14 12001 Riverside Coachella Valley, Deep Canyon 91 Comment
  UC888399  Plantago ovata A. N. Dunn and A. M. Martin 1932-3-26 Riverside Coachella Comment
  UCR244913  Plantago ovata Jim Andre 2012-3-19 21354 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  JOTR33991  Plantago ovata var. fastigiata La Doux, Tasha, M. Harding 2010-4-7 2879 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  SBBG7268  Plantago ovata var. fastigiata H. and M. Dearing 1938-3-6 1974 Riverside Painted Cyn, Colorado Desert Comment
  RSA773178  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-27 1128 Riverside San Bernardino National Forest: Garner Valley, just south of junction of forest service road 6S04 and forest service road 6S13. 1340 Comment
  UCR201435  Plantago patagonica Scott D. White, Justin M. Wood 2008-6-17 12193 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  CAS-BOT-BC93213  Platanus racemosa B. D. Stark 1933-11-1 5555 Riverside Andreas Canyon, desert side of San Jacinto Mountains. Comment
  CAS-BOT-BC93216  Platanus racemosa Tom Paradise 1993-6-5 31 Riverside Santa Ana Mountains. Main Street Canyon. Corona. One mile upstream of Main Street and Upper Drive. Comment
  POM305820  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1039 Riverside Elsinore - Capistrano. Comment
  RSA612781  Platystemon californicus D. L. Banks, Victor W. Steinmann 1997-3-13 1421 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UC2029972  Platystemon californicus S. D. White, Bill La Haye 2000-5-27 7946 Riverside SAN JACINTO MOUNTAINS: Baldy Mtn. area. Comment
  JOTR31907  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2154 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  JOTR35069  Pleurocoronis pluriseta La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3521 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  POM122532  Pleurocoronis pluriseta Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert. Comment
  RSA747988  Pleurocoronis pluriseta Scott D. White, Justin M. Wood 2009-4-28 12601 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC501498  Pleurocoronis pluriseta D. A. Johansen and J. A. Ewan 1932-4-12 7107 Riverside above Coachella Valley; Colorado Desert, Devils Canyon Comment
  SDSU19225  Pluchea odorata var. odorata Kristen Hasenstab, Dave Bailey 2008-8-7 180 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. 1m from the edge of the river. 215 Comment
  CLARK-A1528-282  Pluchea purpurascens Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  LA203872  Pluchea sericea None; 1951-4-21 sn Riverside Thousand Palms hwy oasis Comment
  UCR138822  Poa annua D. L. Banks 1997-2-23 1297 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  RSA575991  Poa annua Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  UC39615  Poa bolanderi H. M. Hall July, 1901 2573 .5 Riverside vicinity of Deer Springs Deer Springs; San Jacinto Mts 2743 Comment
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Jul 28 2006
  CAS-BOT-BC246626  Poa howellii S. B. Parish 1907-4-18 6141 Riverside Tahquitz on West Canon [Canyon], Palm Springs. Western border of the Colorado Desert 200 Comment
  CLARK-A1528-4837  Poa scabrella John C. Roos 1950-2-25 4170 Riverside Reche Canyon 457 Comment
  RSA773170  Poa secunda Duncan S. Bell, Valentin Arvizu 2010-5-24 1109 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1385 Comment
  UCR121097  Poa secunda A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24976 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR19665  Poa secunda John C. Roos 1950-2-25 4710 Riverside Pass between Reche Canyon and Pigeon Pass Road 457 Comment
  UCD91886  Poa secunda subsp. secunda F. M. Reed 1905-4-2 694 Riverside Box Springs Mountains. 548 Comment
  RSA585646  Polycarpon depressum D. L. Banks, Steve Boyd 1995-3-15 0082 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 732 Comment
  UCR66446  Polygala cornuta var. fishiae P. A. Munz 1923-6-18 7127 Riverside Peninsular Range, Temecula Canyon Comment
  SBBG61495  Polygonum douglasii R. Hoffmann 1929-9-5 Riverside Tahquitz Valley Comment
  RSA522722  Polygonum lapathifolium Steve Boyd, Tim S. Ross 1989-8-28 3813 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 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
  UCR172143  Polypogon monspeliensis A. C. Sanders 2006-5-11 32257 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR229272  Polypogon monspeliensis Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  IRVC162  Polystichum imbricans subsp. curtum Lorene Lewton 1965-4-24 HS 552 Riverside Highway 74; 1 mile WSW of Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  POM2086  Populus fremontii Marjorie Shaw 1916-5-28 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  SEINET10538903  Populus fremontii David B. Dunn, Harold L. Lint 1948-1-24 Dunn 3608 Riverside Pushawalla canyon, indio hills. Dry january; no rain since mid-december although Plants are still growing even on top of the desert pavement. Very warm; the Cottonwoods still had many of last year's leaves and were leafing out anew. Beside quad 1. Comment
  SEINET10932113  Populus fremontii David B. Dunn 1946-3-17 Dunn 2101 Riverside At pushawalla palms by the springs. Indio hills. Comment
  VVC2105  Porophyllum gracile Tim Thomas 2012-8-23 5871 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  CAS-BOT-BC452155  Potamogeton diversifolius H. M. Hall 1901-7-1 2490 Riverside San Jacinto Mt. In Surprise Lake Comment
  HSC83831  Potamogeton foliosus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47291 Riverside Santa Rosa Plateau, Rancho California near junction of road to Santa Rosa Ranch from Tenaja Rd. 549 Comment
  UCR119563  Potamogeton pectinatus L. C. Wheeler 1953-3-30 7034 Riverside Sonoran (Colorado) Desert, Alligator Slough on the Colorado River Comment
  UCR35171  Potentilla norvegica L. B. Ziegler 1971-9-8 428 Riverside San Jacinto Mtns., Hemet Lake 1341 Comment
  UCR109534  Prosopis glandulosa R. D. Goeden, Don W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert, Chuckwalla Mountains at Granite Well, SW of Desert Center, 0.4 mi. past sign saying 'Edmund C. Jaeger Nature Sanctuary' in bottom of canyon at old road crossing 366 Comment
  SEINET13709742  Prosopis glandulosa J. Adams, J. Adams (Botany) 1965-1 205 Riverside NE Side of Mts, Palm Springs Area, 1 Mi. Below Mt San Jacinto Tramway 3000 Ft 914 Comment
  RSA698010  Prosopis juliflora W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  UC218102  Prunus fasciculata A. Gilman 1922-4-10 Riverside Morongo Pass Comment
  LA208141  Prunus fremontii D. Birindelli; 1969-3-9 sn Riverside Pinon-juniper woodland, Pinyon Flat, S. of Palm Desert 1219 Comment
  RSA336035  Prunus fremontii Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52068 Riverside Along Palms to Pines Highway, N slope of Santa Rosa Mts. Comment
  JEPS44629  Prunus ilicifolia W. L. Jepson 1901-5-19 1267 Riverside journey from Riverside to Santa Rosa Peak and Palomar (Upper San Jacinto Valley, San Jacinto River Canyon); Upper San Jacinto Valley, San Jacinto River Canyon 609 Comment
  SDSU13933  Prunus ilicifolia subsp. ilicifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2142 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  RSA774303  Psathyrotes ramosissima Duncan S. Bell 2011-4-7 2180 Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  POM358758  Pseudognaphalium biolettii Elbert Benjamine 1929-2-17 26 Riverside Mt. Roubidoux, Riverside Comment
  RSA463259  Pseudognaphalium biolettii Steve Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St, Moreno Valley. 518 Comment
  UCR280964  Pseudognaphalium leucocephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 18 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd., 0.3 mi NW of El Hermano Rd./Terramor Dr. 313 Comment
  RSA759172  Pseudotsuga macrocarpa Doug Goldman, Pat Griffith 2005-3-4 3048 Riverside South side of Route 74, about 0.7 miles west of the intersection with Route 243. San Bernardino national Forest. 1326 Comment
  POM14280  Psilocarphus brevissimus P. A. Munz 1922-4-29 5065 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA557340  Psilocarphus brevissimus Julie Greene 1993-5-12 1314 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  UCR281256  Psilocarphus brevissimus Mitch Provance, Jeremiah George 2017-3-23 317- 66 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  UC1260164  Psilocarphus brevissimus var. brevissimus Robert F. Thorne 1974-5-23 44668 Riverside Rancho California, top of Mesa de Colorado Santa Rosa Plateau, Mesa de Colorado 624 Comment
  UCR166810  Psilocarphus chilensis R. E. Riefner Jr. 2005-4-22 05- 239 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  POM13050  Psilostrophe cooperi P. A. Munz, D. D. Keck 1922-4-12 4848 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  CAS-BOT-BC346357  Psorothamnus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC353583  Psorothamnus arborescens var. simplicifolius O. F. Sillig 1911-5-21 s.n. Riverside Palm Springs, Colorado Desert Comment
  RSA0031440  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4761 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65126 604 Comment
  UC1929658  Psorothamnus arborescens var. simplicifolius V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1092 Riverside Transverse Ranges, Little San Bernardino Mountains region; Mouth of Little Morongo Canyon, NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  UC574887  Psorothamnus arborescens var. simplicifolius C. Epling, Wm. Robison 1933-6-24 Riverside San Gorgonio Wash near Banning; Little San Bernardino Mountains Comment
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Jun 26 2012
  CAS-BOT-BC353625  Psorothamnus emoryi John Thomas Howell 1928-3-11 3436 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado 152 Comment
  SD46419  Psorothamnus emoryi var. emoryi P. C. Everett, E. K. Balls 1956-5-2 21552 Riverside 2 miles north of turn off highway 60/70, west of desert center to eagle Mountain pumping station 259 Comment
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Apr 5 2011
  CAS-BOT-BC340870  Psorothamnus schottii Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  POM28904  Psorothamnus schottii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  SEINET3005064  Psorothamnus schottii G. Rink 2011-5-1 10502 Riverside North side of the Chuckawalla Mountains 365 Comment
  UCR148301  Psorothamnus schottii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  CAS-BOT-BC340953  Psorothamnus spinosus Marcus E. Jones 1926-6-8 s.n. Riverside Palm Spring Comment
  UCR241126  Pteridium aquilinum Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 500 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA467857  Pterospora andromedea L. C. Wheeler 1931-10-3 234 Riverside Strawberry Valley, San Jacinto Mts. 1890 Comment
  CAS-BOT-BC421259  Pterostegia drymarioides A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19889 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  SDSU13935  Pterostegia drymarioides Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2139 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  SD152819  Pycnanthemum californicum Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7681 Riverside S. Santa Ana Mtns, upper San Mateo Cnyn Wilderness Area 395 Comment
  CAS-BOT-BC516760  Quercus Jeremiah George 2012-8-7 70812 -5 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Pkwy, E of Potrero Blvd 747 Comment
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Jan 17 2018
  JOTR32646  Quercus X munzii La Doux, Tasha, Mike Bell 2006-11-22 1615 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Queen Valley area; Live Oak picnic area 1267 Comment
  UCD47064  Quercus X munzii Alan D. Eliason 1966-6-12 s.n. Riverside (Quercus lobata Nee X Q. turbinella Greene subsp. Californica Tucker). Live Oak Tank, Joshua Tree National Monument, in Riverside County, California. Comment
  UCR158896  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31559 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR94267  Quercus agrifolia Scott D. White 1996-4-14 3914 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  SEINET10957811  Quercus agrifolia var. agrifolia Greg Gust, Leith Nye 2005-3-11 Gust 552 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  CDA37140  Quercus berberidifolia Mike Lahti 2012-4-29 PDR# 1590351 Riverside Bautista Canyon in east Hemet on Bautista Road, approx. 6 miles east of Fairview Ave. Comment
  RSA256678  Quercus berberidifolia T. L. Ackerman 1975-6-26 520 Riverside Hwy 74 between San Juan Capistrano and Lake Elsinore, Cleveland National Forest. Comment
  UCR250405  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 2 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 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
  SD212631  Quercus wislizeni T. B. Salvato 2004-5-27 592 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  SDSU6993  Quercus wislizeni H. Wedberg 1962-7-28 988 Riverside 6 miles from Mountain Center on the road to Hemet. 914 Comment
  UCR121138  Quercus wislizeni June Latting 1973-9-1 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  SD140180  Rafinesquia californica Scott White 1993-4-22 1256 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  UCR180043  Rafinesquia californica Mitch Provance 2005-5-18 9812 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
  UCR20642  Rafinesquia californica O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  RSA176348  Rafinesquia neomexicana R. F. Thorne 1963-3-29 32382 Riverside 7-8 miles east of Mecca, Mecca Hills 152 Comment
  UCR177264  Rafinesquia neomexicana Scott D. White 2003-3-23 8833 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UCR42393  Rafinesquia neomexicana D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  RSA0019605  Ranunculus californicus var. californicus Gale Sphon 1955-5-22 s.n. Riverside Hemet Meadow. Comment
  RSA0021845  Ranunculus californicus var. californicus Elbert Benjamine 1929-5-18 218 Riverside Mt. San Jacinto. 1524 Comment
  CSUSB565  Raphanus sativus Steve Stadler 1966-3-2 030266 21 Riverside Riverside city. Found in open field west of the corner of Blain Street and Canyon Crest. 50 yards from corner in back of a house. 304 Comment
  UC1292574  Rhamnus crocea C. L. Hitchcock and C. V. Muhlick 1964-3-17 23094 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UC592847  Rhamnus crocea B. D. Stark 1933-2-19 Riverside 2.5 mi e Nuevo 457 Comment
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Jan 2 2015
  UC870815  Rhamnus crocea C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4733 Riverside Gavilan Peak 700 Comment
  CAS-BOT-BC56047  Rhamnus ilicifolia B. D. Stark 1933-2-19 4530 Riverside 2 1/2 mi. East of Nuevo 457 Comment
  POM171417  Rhamnus ilicifolia I. M. Johnston 1930-6-15 3790 Riverside Lost Palms Canyon above [Anslintz] Wall, Eagle Mts., Colo. Desert. [information from frag pack] Comment
  UCR241484  Rhamnus ilicifolia Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 236 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA284575  Rhamnus tomentella subsp. cuspidata C. W. Tilforth, John Dourley 1980-7-15 2074 Riverside South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74. Comment
  CAS-BOT-BC168026  Rhus aromatica A. C. Sanders; Mark Elvin; Julie M. Vanderwier 2002-4-22 25014 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  CAS-BOT-BC167966  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 miles east of Pinyon Flat, Santa Rosa Mts. 1066 Comment
  SEINET244848  Rhus trilobata A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24925 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont Comment
  CAS-BOT-BC93061  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. Comment
  POM161525  Ribes cereum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountains 2591 Comment
  RSA535471  Ribes indecorum Steve Boyd 1992-2-2 6646 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UC1127313 Image available Ribes indecorum C. Van Fleet 1931-1-22 520 Riverside mesa w Red Mt.; San Jacinto Quadrangle 914 Comment
  CAS-BOT-BC168950  Ribes malvaceum John Thomas Howell 1960-3-24 35148 Riverside Palms to pines Hwy. above Strawberry Creek, San Jacinto Mts. 1066 Comment
  UC729876  Ribes montigenum Carl B. Wolf 1932-8-5 3980 Riverside summit San Jacinto Peak; San Jacinto Mts. 3293 Comment
  SEINET272331 Image available Ribes quercetorum A. C. Sanders, OF Clarke; H Forester 1997-3-2 19766 Riverside Box Spr Mtns: E side of the range in Pigeon Pass area above W end of Quail Call Dr cyn just W of section line. UTM 10k 610 Comment
  POM13459  Ribes roezlii P. A. Munz, I. M. Johnston 1922-5-19 5395 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  CAS-BOT-BC186240  Ribes roezlii var. roezlii Peter H. Raven 1962-5-18 17758 Riverside Road to Indian Hill Canyon 0.6 miles east of Santiago Peak, Santa Ana Mountains 1615 Comment
  UCR217533  Romneya coulteri Diane Menuz 2009-5-4 490 Riverside Peninsular Range, Estelle Mtn., c. 1.52 km east of Hwy. 15, c. 2.10 km south of Cajalco Rd., north of Olsen Canyon 382 Comment
  UCR213473  Romneya trichocalyx A. C. Sanders 2010-5-19 38414 Riverside Peninsular Range/San Bernardino Valley, Riverside, western end of North Hill, edge of Fairmont Park, above intersection of Redwood Dr. and Randall Rd. 250 Comment
  RSA789413  Rorippa curvisiliqua Naomi Fraga, Erin Tripp, Tom Kerrin-Torres, Michael Wall 2008-10-16 2614 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  UCR125229  Rorippa nasturtium-aquaticum Mitch Provance, Twoc Tran 1998-5-30 560 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  UCR168276  Rorippa nasturtium-aquaticum N. C. Cooper 1944-5-6 1175 Riverside San Bernardino Mtns., Whitewater Canyon 457 Comment
  LA208271  Rosa californica Louis C. Wheeler; 1931-10-4 207 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  CAS-BOT-BC147178  Rubus parviflorus J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. Comment
  UCR35160  Rubus parviflorus L. B. Ziegler 1967-7-5 177 Riverside San Jacinto Mtns, Canyon of the South Fork of the San Jacinto River 1829 Comment
  UCSC000944  Rubus parviflorus Unknown 1975-5-30 52 Riverside San Jacinto Mts., Hall Canyon Comment
  UC218245  Rumex acetosella P. A. Munz and I. M. Johnston 1922-5-19 5423 Riverside Keen Camp San Jacinto Mts. 1463 Comment
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Jan 1 2012
  RSA662065  Rumex conglomeratus J. C. Roos 1952-6-10 5759 Riverside Fairmount Park Comment
  UCR90768  Rumex crispus D. E. Bramlet 1992-5-15 2280 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  RSA523494  Rumex hymenosepalus Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3954 Riverside Vail Lake Area, granitic ridge at S end of Black Hills S of Big Oak Mtn. 732 Comment
  SEINET156513  Rumex hymenosepalus Norman C. Cooper 1945-3-24 1613 Riverside Cabazon. 457 Comment
  OBI38316  Rumex violascens Oscar F. Clarke 1985-5-13 s.n. Riverside San Jacinto River valley, gun club ponds E of David Rd a short distance N of Lakeview, E of the Bernasconi Hills 427 Comment
  SD233910  Rumex violascens A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside Domenigoni Valley: upper Warm Springs Creek between Hyw 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester (Winchester 7.5' Q) 433 Comment
  RSA38271  Salazaria mexicana P. A. Munz 1946-10-20 11576 Riverside Palms to Pines Hwy, 11.5 miles south of Palm Springs to Indio Road. Comment
  RSA444572  Salix exigua Walter Wisura 1988-3-23 4216 Riverside 49 Palms oasis, Joshua Tree National Monument. Comment
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Aug 25 2013
  RSA495407  Salix exigua Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2895 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA659609  Salix exigua J. C. Roos 1947-2-15 3244 Riverside Lost Palms Canyon. Comment
  UC469391  Salix exigua F. R. Fosberg 1930-3-9 S 1550 Riverside almost on San Bernardino Co. line Mission Creek Canyon; Little San Bernardino Mts. 800 Comment
  UC506446  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-3-19 7677 Riverside Comment
  RSA736790  Salix gooddingii Scott D. White, Angelia Carey 2004-7-2 10597 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD185305  Salix gooddingii Andy C. Sanders 2005-5-4 29837 Riverside Gavilan Hills near Riverside, ca 1 km east and southeast of Gavilan Peak 625 Comment
  RSA192109  Salix laevigata E. W. Lathrop 1960-6-9 4980 Riverside 14 miles west of Murrieta. Comment
  POM50388  Salix lasiolepis W. W. Eggleston 1924-3-10 19540 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  SEINET272322  Salix lasiolepis A. C. Sanders, G Helmkamp 1997-3-15 19969 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UCR154454  Salix lasiolepis A. C. Sanders, Mike Misenhelter 2005-6-15 30965 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
  RSA413244  Salsola tragus James C. Dice, J. DeWald 1987-9-28 730 Riverside North side of Temecula Gorde, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. 330 Comment
  RSA774932  Salsola tragus Duncan S. Bell 2011-4-7 2179 Riverside The northeast side of the Arica mountains; approximately 2.5 air miles northwest of Priests Well, or approximately 4.3 air miles southwest of the ghost town of Rice. 339 Comment
  UCR104919  Saltugilia australis A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20650 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
  SEINET12273087  Salvia apiana Unknown 1936-1 12555 Riverside Jacinto Mts. nr. Palm Springs Comment
  UC63763  Salvia carduacea H. M. Hall Riverside Perris Valley Comment
  RSA175251  Salvia columbariae Robert F. Thorne 1963-3-29 32435 Riverside Mouth of arroyo near Eagle Mt. Pumping Station, S side of Eagle Mts., ca. 12 miles W of Desert Center. 534 Comment
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Apr 24 2011
  UC987819  Salvia columbariae Reid Moran 1941-5-5 843 Riverside e of Quail Spring; Joshua Tree National Monument 1300 Comment
  UCR101586  Salvia columbariae Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR250879  Salvia columbariae S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1039 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR269870  Salvia columbariae A. C. Sanders, Jim Malusa 2016-3-18 42368 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCSB9331  Salvia columbariae Lloyd, Robert 1960-3-23 Riverside 1 mi from US Hiway 99 on State Rd 111; to Palm Springs; San Jacinto Mt Range; Colorado Desert 396 Comment
  NY346  Salvia greatae H. M. Hall 04 1905 5848 Riverside Near Dos Palms, Colorado desert Comment
  RSA0042827  Salvia greatae Duncan S. Bell, Deidre Conocchioli 2014-3-18 6251 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA434155  Salvia mellifera Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, Mountain slope 549 Comment
  RSA0099994  Salvia pachyphylla Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8576 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  RSA229426  Salvia vaseyi P. A. Munz 1937-5-29 15146 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  RSA24250  Salvia vaseyi Carl B. Wolf 1940-10-31 9762 Riverside Little San Bernardino Mts. Morongo Wash 6/10 mi. below San Bernardino Co. Line. 671 Comment
  RSA448913  Salvia vaseyi N. C. Cooper 1948-5-13 2837 Riverside Devil's Garden. 244 Comment
  RSA448915  Salvia vaseyi Gale Sphon 1955-5-22 s.n. Riverside 5 miles south of Pinon Flats, Palms to Pines Hiwy. [74]. Comment
  RSA733968  Salvia vaseyi Keith E. Hoffmaster 1937-6-6 813 Riverside Desert grade of Palms to Pines Highway. Comment
  JEPS12745  Sambucus mexicana W. L. Jepson 1939-4-19 19207 Riverside Aguanga 731 Comment
  RSA556504  Sambucus mexicana Julie Greene 1993-4-3 1083 Riverside [Unspecified] 440 Comment
  UC729480  Sambucus mexicana Carl B. Wolf 1932-8-6 3991 Riverside base of Devil's Slide Trail to Tahquitz Valley; San Jacinto Mts., Strawberry Valley 1706 Comment
  UCR174520  Sambucus mexicana A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32495 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
  UCR275487  Sambucus mexicana T. B. Salvato, Melissa Clemons 2005-6-9 1507 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA621506  Samolus parviflorus D. L. Banks 1997-11-15 2195 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  SDSU13636  Samolus parviflorus W. Miller, C. Mosse 1972-7-20 Riverside Growing out of crack in rock near pools in bedrock in the northwest section. Comment
  POM10219  Sanicula bipinnatifida F. M. Reed 1906-3-25 931 Riverside Flat ground on divide in Pigeon Pass. Comment
  UCR136282  Sanicula bipinnatifida A. C. Sanders, Guy Bruyea 2004-4-2 27435 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
  UCR17719  Sarcostemma cynanchoides Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  UC729692  Sarcostemma cynanchoides subsp. hartwegii Carl B. Wolf 1932-4-29 3102 Riverside 20 mi. from Blythe (on Rice Rd.); e. Colorado Desert, w. edge Maria Mts. 152 Comment
  RSA562440  Schismus arabicus Steve Boyd, Timothy S. Ross 1992-5-6 7264 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Verdugo Potero, near the Verdugo Trailhead. 732 Comment
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Aug 14 2014
  UC840545  Scirpus americanus Ivan Johnston 1917-4-4 Riverside along creek (Palm Canyon, Colorado Desert, Southern California); Colorado Desert, Palm Canyon 274 Comment
  UCR94965  Scirpus microcarpus Scott D. White 1996-8-15 4461 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  SEINET10602611  Scribneria bolanderi Steve Boyd 1995-5-13 Boyd 8510 Riverside Santa Ana Mountains, west of "Onion Hill", southeast of Elsinore Peak area along trail following old Main Divide Road grade. "Onion Hill" with grassland of Stipa pulchrain areas of heavy clay soil, surrounded by chaparral of Adenostoma fasciculatum, Ceanothus crassifolius, Quercus berberidifolia, Salvia mellifera, and Eriogonum fasciculatum on well-drained granitic soils. 3300 Comment
  RSA160553  Scutellaria bolanderi subsp. austromontana J. D. Olmsted 1959-3-7 728 Riverside Strawberry Creek just above drop off near Isomata below Idyllwild. Alt: 4950 ft. 1509 Comment
  SBBG93065  Scutellaria mexicana A. C. Sanders 1989-9-19 9502 Riverside 1.75 km S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range 680 Comment
  UC456124  Scutellaria siphocampyloides I. J. Condit 1910-6-21 Riverside near Idlewild; San Jacinto Mountains 1524 Comment
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Mar 12 2011
  UCR106861  Scutellaria tuberosa Kathleen Stockwell 1998-3-22 s.n. Riverside Murrieta Hot Springs, Warm Springs Creek, between Hwy 79 and the Hogbacks, south of Los Alamos Rd. and north of Hunter Rd. 400 Comment
  SD144094  Searsia lancea A. C. Sanders, P. MacKay, T. Thomas & G. Helmkamp 1997-2-8 19686 Riverside Colorado Desert/San Jacinto Mtns.: Palm Springs area, Murray Canyon off Palm Canyon. 244 Comment
  UCR213681  Secale cereale Justin M. Wood 2009-5-11 701 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 N on Valley Hi Dr., from intersection w/ Twin Pines Rd. 1201 Comment
  POM6513  Selaginella bigelovii Ivan M. Johnston 1918-4-3 1825 Riverside San Jacinto Mountains, San Jacinto Canyon 685 Comment
  CAS-BOT-BC5678  Selaginella eremophila Ivan Murray Johnston 1917-4-4 1047 Riverside Palm Canyon Comment
  RSA679194  Selaginella watsonii Michael W. Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1446 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UCR37224  Senecio californicus R. A. Fawcett 1939-4-15 s.n. Riverside Reche Canyon, south of Loma Linda [county uncertain, possibly from San Bernardino Co.] Comment
  RSA545239  Senecio flaccidus var. douglasii R. F. Thorne 1970-10 41889 Riverside San Bernardino Mts, Whitewater Canyon: 1350ft near bridges and Whitewater Post Office to 2000 ft up the Canyon toward fish hatchery Comment
  SEINET2054672 Image available Senecio flaccidus var. douglasii B. Pitzer 1986-5-24 245 Riverside Whitewater Canyon, ca. 5 mi N of US I-10 on Whitewater Canyon Rd. From N edge of Hatchery to ca 1/4 mi N of hatchery boundary 731 Comment
  JOTR34397  Senecio flaccidus var. monoensis Andre, Jim 2012-4-16 20930 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  JOTR37454  Senecio flaccidus var. monoensis Hodges, Stephen, T. Green 2016-5-24 576 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  RSA791478  Senecio flaccidus var. monoensis J. Andre 2012-4-16 20930 Riverside Joshua Tree National Park;; along Cottonwood Spr. Rd, 2.4 mi. north of Cottonwood Visitor's Ctr..mixed sonoran-mohaven scrub. 956 Comment
  UCR52152  Senecio mohavensis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2197 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA728654  Setaria adhaerens R. E. Riefner 2005-12-30 5 -793 Riverside City of La Sierra; Gramercy Pl. near La Sierra Ave. 227 Comment
  UCD92619  Setaria parviflora Fred M. Reed 1908-7-29 2553 Riverside near Riverside, along upper side of Gage Canal, near 8th Street Bridge. Comment
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Jun 12 2012
  SEINET10539567 Image available Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 Boyd 6783 Riverside Santa Ana Mountains, Elsinore Peak area south of Lake Elsinore, on "Onion Hill", a grassy knoll about 0.5 miles southeast of Elsinore Peak on the crest of the range, north of the Main Divide Road. T6S R4W SE1/4 SW1/4 sec. 31 (USGS Wildomar 7.5' quadrangle). Gentle slopes with grassland of Stipa pulchra on clay soil developed over volcanic cobble, adjacent to chaparral dominated by Adenostoma fasciculatum and Ceanothus crassifolius. Associated with Allium munzii, Allium haematochiton, Allium lacunosum, Fritillaria biflora, Sanicula bipinnatifida, Lomatium dasycarpum, Delphinium parryi, Chorizanthe polygonoides var. longispina, Chorizanthe fimbriata, Harpagonella palmeri, Camissonia graciliflora, Lasthenia californica, Microseris douglasii ssp. platycarpha, and Ancistrocarphus filagineus. 1012 Comment
  UCR193979  Silene antirrhina A. C. Sanders 2008-7-25 35897 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  CAS-BOT-BC175128  Silene verecunda Steve Boyd; C. Boyd; K. Boyd; R. Noyes; L. Arnseth 1988-5-28 2260 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  JOTR32357  Silene verecunda subsp. platyota La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2472 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  SD67925  Silene verecunda subsp. platyota Reid Moran 1968-8-3 15363 Riverside Ridge 1.0 mile northwest of Toro Peak. 2250 Comment
  SBBG71063  Simmondsia chinensis R. Hoffmann 1929-2-9 Riverside Mecca-Blythe Comment
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