Search Results — 2000 specimen records retrieved (1871 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA519122  Abies concolor F. C. Vasek, K. Neisses 1979-7-26 790726 -4 Riverside Santa Rosa Mountains, N of Toro Peak at Virgin Spring Comment
  HSC16140  Abronia villosa L. S. Rose 1967-12-20 67184 Riverside 6 mi. SE of Thousand Palms 15 Comment
  RSA462259  Abronia villosa A. N. Dunn, A. Martin 1932-3-26 s.n. Riverside Coachella Comment
  UCD109833  Abronia villosa R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  UCR86874  Abronia villosa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16251 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  POM310385  Abronia villosa var. aurita Margaret Hardinge 1946-4-15 247 Riverside Just east of Banning along hwy. Drainage area: Salton Sea. 701 Comment
  SD217331  Abronia villosa var. aurita Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 7098 Riverside Agua Tibia Mountains; West-southwest of Dorland Mountain, in the Pechanga Indian Reservation; along the sandy margins of Pechanga Creek, approximately 15 miles east of Pala Road. 351 Comment
Read comments
Feb 10 2013
  RSA683199  Acacia baileyana Scott D. White 2003-12-1 9894 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  SJSU5450  Acamptopappus sphaerocephalus R. C. McGehee 1970-4-30 247 Riverside 4 mi W of Corn Springs, Chuckwalla Mts, 18 mi SE of Desert Center Comment
  RSA0030723  Acamptopappus sphaerocephalus Bonnie C. Templeton, I. W. Clokey 1930-4-9 1052 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  POM50127  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall 1901-06 2108 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  RSA0117838  Acamptopappus sphaerocephalus var. sphaerocephalus Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7803 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  UC29227  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall 1901-6-1 2108 Riverside eastern base San Jacinto Mountains; Colorado Desert Comment
  RSA752817  Achillea millefolium A. C. Sanders, Tim Thomas 2008-8-1 35955 Riverside lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  SBBG57016  Achnatherum coronatum M. N. Ackley 1928-4-1 14 Riverside Snow Crk, Mt San Jacinto Comment
  UCD60362  Achnatherum latiglume Peter Kamb 1948-7-4 1182 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  CAS-BOT-BC210884  Achnatherum parishii subsp. depauperatum H. M. Hall 1901-6-1 2309 Riverside San Jacinto Mountains. Near Tauquitz [Tahquitz] 2133 Comment
  UCR48502  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon, Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  SDSU12867  Acmispon glaber var. brevialatus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 20 Riverside Close to river ford in Santa Margarita Gorge directly south of Santa Margarita (SDSU) Field Station trailer. 238 Comment
  JOTR29302  Acmispon heermannii var. heermannii La Doux, Tasha, Mike Bell 2006-5-17 1379 Riverside Joshua Tree National Park. East Deception Canyon Comment
  SBBG51126  Acmispon micranthus N. R. Zabriskie, W. Zabriskie 1973-4-3 609 a Riverside top of Poorwill Cyn, Andreas Cyn area 426 Comment
  OBI52764  Acmispon strigosus Steve Myers 1988-2-4 s.n. Riverside Northgate Estates dev, immed NW of Cyn Lake T5S R4W SE1/4, sec 27 488 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
  UCD112621  Adenostoma fasciculatum Geoffrey Levin 1975-5-9 497 Riverside Dripping Springs Forest Service Station, Cleveland National Forest. 487 Comment
  CAS-BOT-BC139875  Adenostoma sparsifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  UCR91656  Adenostoma sparsifolium D. L. Banks, Steve Boyd 1995-10-17 0799 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
  RSA585792  Adiantum jordanii Darin L. Banks, Steve Boyd 1995-5-9 419 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  POM13110  Agoseris heterophylla var. heterophylla P. A. Munz, I. M. Johnston 1922-5-20 5479 Riverside Kenworthy, San Jacinto Mts 1418 Comment
  UCR2126  Agrostis idahoensis F. M. Reed 1908-7-11 2500 Riverside San Jacinto Mtns., trail to San Jacinto Peak 2927 Comment
  RSA591753  Agrostis pallens E. W. Lathrop 1966-5-29 6377 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UCR24967  Agrostis scabra A. C. Sanders 1980-7-22 1699 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  SD114219  Aliciella micromeria Darley F. Howe 1969-5-15 4588 Riverside Near Dripping Springs Camp ground. 456 Comment
  RSA0106714  Allionia incarnata Duncan S. Bell 2011-9-30 2942 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  UC703084  Allionia incarnata Lester Rowntree 1937-5-26 Riverside Box Canyon near Mecca; Box Canyon Comment
  RSA593786  Allium cratericola Jeri Hirshberg 1995-5-19 281 Riverside San Jacinto Mountains, Garner Valley, north of Morris Creek. Comment
  RSA70462  Allium cratericola F. W. Peirson 1922-5-21 3069 Riverside Near Garner Ranch, Hemet Valley, San Jacinto Mountains 1372 Comment
  UCR172760  Allium haematochiton Abby Sirulnik, Ian G. Gillespie 2000-5-14 47 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  SEINET8467213 Image available Allium lacunosum var. davisiae L. B. Ziegler 1967-6-25 Riverside above Kenworthy Ranger Station, S end of San Jacinto Mts. 1615 Comment
  RSA348951  Allium munzii Steve Boyd 1986-4-10 1640 Riverside Gavilan Hills; Temescal Canyon: DePalma Rd., 0.1 miles E of the Indian Truck Trail exit of I-15. 366 Comment
  UCR22054  Allium munzii Steve Boyd 1980-5-8 214 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR27204  Allium munzii L. F. LaPre, E. B. Ellis 1982-4-24 s.n. Riverside Peninsular Range, Temescal Canyon at Indian Truck Trail (De Palmas Road). 349 Comment
  CAS-BOT-BC132020  Allium parishii Peter H. Raven 1958-5-5 12894 Riverside Split Rock, Joshua Tree National Monument Comment
  RSA543160  Allium peninsulare Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6090 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  SEINET3878854  Allium praecox D. W. McNeal 1981-3-30 2435 Riverside Ne slope of Gavilan Peak, 0.6 mi S of Cajalco Rd. on Gavilan Rd.; 0 Comment
  UCR125761  Allium triquetrum A. C. Sanders, T. B. Salvato 2003-4-3 25830 Riverside San Bernardino Valley/Upper Santa Ana River, Riverside, UCR campus, between East Campus Drve and Parking Lot 10 335 Comment
  SBBG36321  Allophyllum gilioides T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns 1219 Comment
  UCR193520  Allophyllum gilioides A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35563 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  SD107766  Allophyllum glutinosum C. W. Tilforth, B. Busenberg 1980-6-10 1978 Riverside 0.1 mile in from Highway 74 on north leg ot Thomas Mountain Road, 1.0 mile south of Lake Hemet. 1387 Comment
  SD212697  Allophyllum glutinosum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32497 Riverside Hills between Murrieta and Menifee Valley, West of I-215, South of Bundy Canyon/Scott Road, North of Clinton Keith road. 487 Comment
  CAS-BOT-BC170130  Alnus rhombifolia Louis C. Wheeler 1933-12-2 2301 Riverside Tahquitz Canyon, San Jacinto Mts. 243 Comment
  UCSB46786  Alstroemeria O. F. Clarke 1969-6-25 Riverside collected at 1012 Spruce Street Spruce Street Comment
  HSC92614  Amaranthus albus J. J. Jimenez-Osornio 1986-11-6 1 Riverside Corona 186 Comment
  UCR92271  Amaranthus albus Scott D. White 1995-8-23 3564 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
  UCR111748  Amaranthus blitoides G. S. Nuessly 1980-10-19 s.n. Riverside Moreno Valley, U.C. Riverside, Moreno Field Station, east of Lasselle St. 457 Comment
  CDA23676  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23101 Riverside San Jacinto Mountains; Lake Hemet, north shore at FS day use area Comment
  JOTR30690  Amaranthus fimbriatus La Doux, Tasha, Jim Andre 2008-9-13 269 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  RSA0093772  Amaranthus torreyi Duncan S. Bell 2015-9-30 8682 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  CAS-BOT-BC22579  Ambrosia dumosa Aven Nelson; Ruth Ashton Nelson 1939-3-30 3340 Riverside On highway 60, near Desrt Center Comment
  OBI17101  Ambrosia dumosa Tracey Call 1962-4-6 2115 Riverside 4 mi w of Desert Hot Springs at rd jctn Comment
  RSA766608  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 175 Riverside Orocopia Mtns Wilderness. Orocopia Mtns. SR 2013/ Red Canyon Rd at wilderness boundary sign. 689 Comment
  UCR52229  Ambrosia dumosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA778882  Ambrosia ilicifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 811 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SD152960  Ambrosia psilostachya Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7659 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  UCR174457  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32374 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  RSA0008347  Ambrosia pumila Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6331 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  CAS-BOT-BC273002  Ambrosia salsola Aven Nelson; Ruth Nelson 1939-3-24 3247 Riverside Lower part of Palm Canyon Comment
  CAS-BOT-BC273023  Ambrosia salsola C. L. Hitchcock 1966-3-16 24217 Riverside 4 mi. s. of Palm Desert, along Palms to Pines Hiway Comment
  CAS-BOT-BC273041  Ambrosia salsola L. R. Abrams 1941-4-24 13935 Riverside San Gorgonio Pass near Cabazon Comment
  UCR244304  Ambrosia salsola Jim Andre 2012-4-15 20855 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR26281  Ammannia robusta John C. Roos 1952-5-16 5672 Riverside Perris-Aguanga Basin region, San Jacinto River bottomlands, 1 mi. SE of Perris. 427 Comment
  UCR43346  Amorpha californica R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61186 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon. 534 Comment
  SEINET1004491  Amorpha fruticosa T. B. Salvato, Kent Beaman 2005-1 839 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundry and N of CA Hwy 74 549 Comment
  SEINET13203158 Image available Amsinckia Mitch Provance 2005-1 6571 Riverside Warm Springs Valley: Terra Cotta Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. (Lake Elsinore 7.5' Q.) 396 Comment
  RSA499895  Amsinckia intermedia Ora M. Clark 1929-2-23 1525 Riverside Near Banning. Comment
  RSA499969  Amsinckia intermedia N. C. Cooper 1944-4-23 1112 Riverside Banning 701 Comment
  SDSU18971  Amsinckia intermedia C. Matt Guilliams 2008-2-21 461 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 418 Comment
  UCR214143  Amsinckia retrorsa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37724 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR234222  Amsinckia retrorsa A. C. Sanders, John F. Green 2012-3-20 39974 Riverside Peninsular Range; Gavilan Hills Area, hills east of Lake Elsinore, along Hwy 74 near Meadowbrook Ave. 512 Comment
  POM11976  Amsonia brevifolia var. tomentosa Philip A. Munz, D. D. Keck 1922-4-9 4844 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
Read comments
May 28 2011
  JOTR30054  Amsonia tomentosa La Doux, Tasha, Jade Mohajerin 2006-10-12 1664 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  UCR113978  Anagallis arvensis Mitch Provance 2000-6-24 2047 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA543905  Anagallis arvensis Steve Boyd, Orlando Mistretta 1991-5-22 6286 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA662565  Anagallis arvensis P. Shirokawa 1998-5-15 33 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  UCR260563  Ancistrocarphus filagineus T. B. Salvato 2015-4-2 8107 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  UCSB6331  Anisocoma acaulis Graney, Don 1953-3-22 Riverside Morongo Canyon Comment
  JEPS33970  Antennaria rosea Carl V. Meyer 1928-7-27 556 Riverside dry grassy valley floor Tamarack Valley; San Jacinto Mts., Tamarack Valley Comment
  RSA708156  Anthriscus caucalis Scott D. White, Angelia Carey 2004-4-16 10189 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA650899  Antirrhinum coulterianum R. S. Woglum 1941-6-13 3068 Riverside Santa Rosa Mountains. Comment
  UCR154605  Antirrhinum coulterianum A. C. Sanders, Mike Misenhelter 2005-6-15 30999 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
  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
  UCR275195  Antirrhinum coulterianum T. B. Salvato, Gregg Miller 2005-6-7 1449 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR87622  Antirrhinum coulterianum A. C. Sanders 1994-5-30 14615 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR102710  Antirrhinum filipes B. G. Pitzer 1998-1-24 3395 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  SDSU13330  Antirrhinum kelloggii Tom Duffy, Tarja Sagar 2000-4-29 Riverside Two hundred meters NE of Stanta Margrita Ecological Reserve North End. 320 Comment
  RSA501074  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3192 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  UC1536044  Apiastrum angustifolium Robert F. Thorne 1973-5-23 45534 Riverside Santa Rosa Plateau, Mesa De Colorado Mesa De Colorado; Santa Rosa Plateau, Mesa De Colorado 609 Comment
  RSA335038  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
  RSA595732  Arceuthobium californicum Louis C. Wheeler 1945-10-6 6148 Riverside San Jacinto Mountains. North fork San Jacinto River, Fuller Mill Creek. 1829 Comment
  UCR128300  Arceuthobium campylopodum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8651 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
  RSA629430  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16842 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  CAS-BOT-BC23116  Arctostaphylos glandulosa subsp. glandulosa Frank W. Gould 1943-4-18 2134 Riverside On mountain slopes 8 miles east of Idlewild. Comment
  POM254927  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  RSA220964  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1966-3-23 6114 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  RSA220974  Arctostaphylos glauca E. W. Lathrop 1966-4-27 6209 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  RSA631729  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19291 Riverside Highway 79, at Radec. 580 Comment
  RSA631736  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19284 Riverside Highway 79, 2 km west of Radec. 550 Comment
  RSA631767  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15076 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA0062646  Arctostaphylos glauca Dave Kelley 1949-1-20 s.n. Riverside Bautista Canyon about 7-10 miles east of Hemet. 518 Comment
  RSA633565  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20155 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633575  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21769 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633590  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22522 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633617  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16699 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA70823  Arctostaphylos parryana subsp. desertica F. W. Peirson 1921-3-21 2577 Riverside Gordon Trail from Andreas Canyon, east base of San Jacinto Mts. 1829 Comment
  RSA635693  Arctostaphylos pringlei Jon E. Keeley 1994-4-27 25348 Riverside North side of Santa Rosa Mountain. 1900 Comment
  UC1861761  Arctostaphylos pringlei subsp. drupacea Steve Boyd, Valerie Soza 2004-6-22 11552 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
  UCSB4720  Arctostaphylos pringlei subsp. drupacea Ralph, F. 1959-5-16 Riverside Near Jolley Springs along Devil's Slide Trail in Mt. San Jacinto Wilderness Area, Mt. San Jacinto 2133 Comment
  UCSB4756  Arctostaphylos pringlei subsp. drupacea Gill, Robert 1959-11-22 Riverside Idyllwild; San Jacinto Mt. Range; Pacific slope drainage area 1645 Comment
  UC21839  Arctostaphylos pungens H. M. Hall 1901-6-12 2102 Riverside w side San Jacinto Mountains Comment
  RSA636173  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19480 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  RSA636187  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19486 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
Read comments
Jun 8 2012
  UCR68857  Arenaria douglasii Steve Boyd, T. S. Ross 1990-5-11 4646 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  UCR3355  Argemone munita Heidi A. Haid 1964-5-10 11 Riverside Hwy 79, c. 1 mi. east of Aguanga 610 Comment
  RSA0042171  Argythamnia lanceolata Duncan S. Bell, Evan Meyer 2014-4-2 6515 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA0099596  Aristida adscensionis Duncan S. Bell, Evan Meyer 2014-10-29 7701 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
  SBBG57071  Aristida adscensionis M. N. Ackley -Mar-1928 51 Riverside Colorado Desert 60 Comment
  RSA385024  Aristida californica var. californica Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7816 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  UCR175235  Aristida californica var. californica Jim Andre, T. La Doux 2006-4-11 6739 Riverside S Mojave Desert, Pinto Basin: c. 1 mi N of Pinto Basin Rd. (paved), in the Sand Hill area 527 Comment
  UCR279365  Aristida purpurea A. C. Sanders, Jim Malusa 2017-3-24 42981 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  POM264638  Aristida purpurea var. fendleriana J. C. Roos 1938-8-7 583 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
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Apr 3 2011
  CAS-BOT-BC500348  Aristida purpurea var. nealleyi A. C. Sanders; Jim Malusa 2015-3-10 41372 Riverside Sonoran (Colorado) Desert: N end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  JOTR29524  Aristida purpurea var. nealleyi La Doux, Tasha 2003-9-4 1576 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1280 Comment
  UCD56558  Aristida purpurea var. nealleyi A. A. Beetle 1942-4-23 3187 Riverside banks of Colorado River, 24 miles north of Blythe. Comment
  SDSU12943  Artemisia californica Jutta Buschbom 1991-5-1 12 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR141235  Artemisia californica A. C. Sanders, Mike Misenhelter 2004-10-6 28831 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  CAS-BOT-BC90419  Artemisia douglasiana H. A. Zuill 1966-7-26 301 Riverside about 7.5 miles SW of Murrieta Comment
  RSA417289  Artemisia douglasiana Albert J. Perkins 1916-9-12 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  IRVC493  Artemisia dracunculus R. H. Whittaker, W. A. Niering 1963-6-11 SJ 391 Riverside Summit Toro Peninsular Ranges, Santa Rosa Mountains 2652 Comment
  POM266370  Artemisia dracunculus J. C. Roos 1937-8-17 1615 Riverside San Jacinto. Comment
  SBBG7642  Artemisia ludoviciana H. and M. Dearing 1937-11-28 2538 Riverside Santa Rosa Mtn Comment
  RSA38359  Artemisia tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1098 Comment
  UCR100165  Artemisia tridentata Scott D. White 1992-12-16 982 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  CAS-BOT-BC222820  Asclepias albicans H. M. Hall 1905-5-1 6025 Riverside Colorado Desert. Pinto Mts. Comment
  UCR41839  Asclepias albicans A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6060 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  RSA0023092  Asclepias albicans John F. Emmel 1995-4-21 1367 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 488 Comment
  JEPS6273  Asclepias eriocarpa Carl V. Meyer 1928-7-1 618 Riverside Saunders Meadow; San Jacinto Mountains Comment
  RSA0111978  Asclepias erosa Duncan S. Bell 2009-8-15 416 Riverside Northwest of the Arica Mountains. 286 Comment
  RSA401228  Asclepias erosa N. C. Cooper 1944-5-20 2641 Riverside Palm Springs. 137 Comment
  UCR112062  Asclepias fascicularis Mitch Provance 1999-6-30 1746 Riverside Box Springs Mtns., City of Riverside, at the corner of Rustin Ave. and Marlborough Ave. 305 Comment
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Sep 1 2011
  UCR40435  Asclepias fascicularis Steve Boyd 1985-8-7 1102 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
  CAS-BOT-BC177467  Astragalus aridus Carl B. Wolf 1932-4-28 3078 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. West of Blythe on the Mecca Road 121 Comment
  RSA415777  Astragalus aridus M. B. Dunkle 1934-3-18 3856 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  RSA800104  Astragalus aridus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4767 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  SBBG3168  Astragalus crotalariae H. and M. Dearing 1949-12-3 4065 Riverside NE end of Salton Sea Comment
  SD260245  Astragalus didymocarpus Mitch Provance 2013-2-16 213 1 Riverside Santa Ana River Valley: Riverside, Arlanza area, W side of Hole Lake and adjacent mesa (Riverside West 7.5'Q) 226 Comment
  UC63400  Astragalus didymocarpus H. M. Hall 1904-5-19 4951 Riverside vicinity Riverside (Fairmount Park); vicinity of Riverside, Fairmount Park 243 Comment
  RSA90156  Astragalus didymocarpus F. W. Peirson 1914-1 576 Riverside Whitewater, east of Cabezon Comment
  CAS-BOT-BC182584  Astragalus didymocarpus var. dispermus Carl B. Wolf 1937-4-6 8430 Riverside Colorado Desert. Coachella Valley, 2 mi. NE. of Edom 30 Comment
  CLARK-A1528-2736  Astragalus didymocarpus var. dispermus John C. Roos 1949-3-19 4113 Riverside Comment
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Dec 13 2018
  RSA800102  Astragalus didymocarpus var. dispermus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4771 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  UCD84939  Astragalus didymocarpus var. dispermus Chuck Hughes 2010-3-23 211 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  CAS-BOT-BC182948  Astragalus filipes Carl B. Wolf 1931-5-11 1952 Riverside Near Pipe Creek, Hemet Valley, San Jacinto Mts. 1615 Comment
  UCR158048  Astragalus filipes C. B. Wolf 1931-5-11 1952 Riverside Peninsular Ranges; San Jacinto Mountains, near Pipe Creek, Hemet Valley 1616 Comment
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Sep 23 2011
  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
  RSA524415  Astragalus gambelianus Steve Boyd 1990-4-3 4107 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
  SBBG133728  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2011-4-27 39334 Riverside S side of Alberhill Mtn in vicinity of Durant Siding and Terra Cotta, near Nichols Rd and extension toward Lake St 390 Comment
  SEINET7073296  Astragalus lentiginosus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR16255  Astragalus lentiginosus M. Quinlan 1974-4-18 s.n. Riverside Western Colorado Desert, c. 2 mi. outside Palm Springs on the road to the Agua Caliente Indian Reservation 244 Comment
  CHSC110023  Astragalus lentiginosus var. coachellae Scott D. White 2001-4-18 8367 Riverside Coachella Valley: Palm Springs. Northeast corner of 30th Ave. and Devall St. Adjacent to housing tracts and scheduled for grading and new construction +/- immediately. 101 Comment
  LA204980  Astragalus lentiginosus var. coachellae Harlan Lewis; 1937-3-7 sn Riverside White Water 304 Comment
  UCR160704  Astragalus lentiginosus var. coachellae Michael A. Patten 1993-3-21 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert, NE of intersection of Frank Sinatra Dr. & Portola Ave., near Dry Camp Siding, 'Cook St. interchange' project 61 Comment
  UCR198172  Astragalus lentiginosus var. variabilis Michael Honer, Dave Silverman 2005-3-18 2100 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  UC1922546  Astragalus lentiginosus var. variabilis Michael Honer, Dave Silverman 2005-3-18 2100 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Valley; appx. 3 mi. due E of Desert Center Airport. Comment
  SEINET6180770  Astragalus mohavensis var. mohavensis C. L. Hitchcock 1940-4-3 5930 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument.; 0 Comment
  UC310838  Astragalus pachypus var. jaegeri Philip A. Munz 1925-5-20 9842 Riverside dry slopes on divide e Dripping Springs; on divide e of Dripping Springs 518 Comment
  UCR101917  Astragalus pachypus var. jaegeri R. S. Woglum 1941-5-17 3053 Riverside Peninsular Ranges/Sonoran (Colorado) Desert Transition:, Horse Canyon, off Coyote Canyon Comment
  UC1228590  Astragalus pomonensis C. L. Hitchcock, C. V. Muhlick 1962-3-16 22158 Riverside ca 12 mi se Corona (Temescal Canyon); , se of Corona Comment
  UCR225493  Astragalus pomonensis A. C. Sanders 2011-3-29 38855 Riverside Peninsular Range; Perris-Aguanga Basin Region, canyon in hills between Sun City and Perris, San Jacinto River at powerline corridor crossing west of Goetz Rd., above Railroad Canyon Lake 428 Comment
  CLARK-A1528-2761  Astragalus tricarinatus John C. Roos 1948-5-8 3826 Riverside Whitewater Comment
  CAS-BOT-BC17416  Athysanus pusillus Steve Boyd 1986-4-2 1603 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. 640 Comment
  UCR241826  Athysanus pusillus A. C. Sanders, Timothy W. Chumley 2013-4-5 40779 Riverside Peninsular Range, Temescal Canyon, around Ivyglen electrical substation near where Temescal Canyon Rd. passes under I-15, between substation and Campbell Ranch Rd. 328 Comment
  CAS-BOT-BC98812  Atrichoseris platyphylla Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2161 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  UC196585  Atrichoseris platyphylla Joseph Grinnell 1910-3-18 Riverside Riverside Mountains , Colorado River Comment
  RSA748734  Atriplex argentea Karin Cleary-Rose 1998-9-7 s.n Riverside west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  JEPS59547  Atriplex canescens W. L. Jepson 1914-5-23 6050 Riverside near Palm Springs; Coachella Valley, near Palm Springs 60 Comment
  RSA736755  Atriplex canescens Scott D. White, Lynn Stafford 2007-6-27 11747 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  SD154848  Atriplex canescens E. K. Balls, P. C. Everett 1957-11-6 22790 Riverside 0.5 miles north of the junction of Hwy 79 & the road to Coahuila, in sun on open sandy hills 655 Comment
  UCD97300  Atriplex canescens Lewis S. Rose 1966-12-11 66096 Riverside Palm Springs. 152 Comment
  CAS-BOT-BC170211  Atriplex canescens subsp. canescens Joseph Andorfer Ewan 1931-10-3 5227 Riverside Mockingbird Canyon near Arlington Comment
  CAS-BOT-BC170236  Atriplex canescens var. macilenta Ira L. Wiggins 1941-3-24 9585 Riverside Along roadside on east side of Salton Sea, 1 mile north of Imperial County Line Comment
  RSA528049  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2037 Riverside Ca. 6.5 km Sw of Hemet just W of Warren Ave. at Steson Ave. & MWD canal; in cow pasture ca. 400m N of Stetson Ave. 457 Comment
  UCR104621  Atriplex coronata var. notatior D. E. Bramlet 1997-5-1 2548 Riverside Nichols Road Wetlands; c. 183 m SE of Nichols Road, 91 m west of Collier Ave. and 196 m west of the I-15; east of the dirt road extending S from Nichols Road. and adjacent to Alberhill Creek Comment
  UC195304  Atriplex elegans S. B. Parish 1913-9-20 8600 Riverside Mecca Salton Sink, Mecca (Salton sink) 57 Comment
  CAS-BOT-BC523903  Atriplex glauca D. E. Bramlet 2005-5-5 3847 Riverside Perris-Aguanga Basin Region: San Jacinto Valley, canal right-of-way north of Devonshire Ave. 457 Comment
  CAS-BOT-BC170261  Atriplex hymenelytra John Thomas Howell 1928-1-28 3289 Riverside Thousand Palms, Colorado Desert Comment
  JOTR37712  Atriplex hymenelytra Hodges, Stephen R. 2016-3-1 638 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line in canyons of black rock. Sparsely vegetated. Comment
  UCR148037  Atriplex hymenelytra Steve Boyd, Et al. 2004-5-14 11247 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  SEINET8753393 Image available Atriplex lentiformis Louis C. Wheeler 1931-1 387 Riverside 3 miles Se Salton Bench Mark 76 Comment
  SEINET13901567 Image available Atriplex linearis Carl B. Wolf 1932-1 4321 Riverside Colorado Desert. NE. side of Salton Sea, at Durmid, NE. side of S. P. R. R. Tracks. 61 Comment
  OBI37522  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Keith rd, just E of the Bear Creek development golf course. Comment
  UCR65299  Atriplex suberecta Steve Boyd, T. S. Ross, K. A. Boyd 1989-6-24 3752 Riverside Peninsular Range, Vail Lake area, along road, near summit of 'Little' Oak Mtn. 628 Comment
  UCR232797  Avena fatua John F. Green 2008-4-16 0408- 40 Riverside Peninsular Range; Perris-Aguanga Valley, SW of Romoland, powerline route north of McLaughlin Rd. between Dawson Rd. and I-215 Fwy 436 Comment
  SEINET7048193  Avena fatua Steven R. Hill, Andrew C. Sanders 2001-5-4 33702 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  UCR108875  Avena sativa Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR127539  Avena sativa A. C. Sanders, T. B. Salvato 2003-5-21 26807 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA594042  Azolla filiculoides Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 946 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
  UCD129391  Baccharis brachyphylla J. C. Roos 1946-9-14 3008 Riverside near Dos Palmos Spring. East of Asbestos Mountain. 1066 Comment
  CAS-BOT-BC106736  Baccharis salicifolia Scott D. White 1996-4-14 3904 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  POM318591  Baccharis salicifolia Patricia Wilder 1971-2-4 4920 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  POM4663  Baccharis salicifolia F. L. Robinson, Crocker 1916-3-26 s.n. Riverside Santa Ana Mts, near Murrietta Comment
  CAS-BOT-BC106627  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside River bottom flat, Santa Ana River, 4 mi. N.W. of Corona Comment
  SEINET946176  Baccharis salicina O. F. Clarke 1970-1 Riverside Botanic Gardens of the University of California, Riverside Comment
  UCR155307  Baccharis salicina A. C. Sanders 2005-5-4 29856 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  JOTR34413  Baccharis sergiloides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3098 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  CAS-BOT-BC295890  Bahiopsis parishii Nancy Ryan Zabriskie; Walter Zabriskie 1973-4-3 605 Riverside Poorwill Canyon, Andreas Canyon area, Palm Canyon drainage, E slope San Jacinto Mtns. (Site A-6) 426 Comment
  CAS-BOT-BC295898  Bahiopsis parishii B. D. Stark 1930-4-2 1503 Riverside Whitewater Bridge, San Gorgonio Pass 457 Comment
  CAS-BOT-BC295903  Bahiopsis parishii Marcus E. Jones 1906-4-19 s.n. Riverside San Felipe Hill, W. Colo. Desert 731 Comment
  CAS-BOT-BC99948  Baileya pauciradiata Mrs. W. J. Anderson 1925-3-27 s.n. Riverside Indio Comment
  JEPS7794  Baileya pauciradiata Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-1 3599 Riverside just opposite and e of the n end of Salton Sea (along highway); State Highway No. 111 -60 Comment
  UC135117  Baileya pauciradiata S. B. Parish 1896-4-1 4125 Riverside Palm Springs Colorado Desert Comment
  RSA92874  Baileya pauciradiata F. W. Peirson 1926-2-22 6503 Riverside Thousand Palm Canyon, Coachella Valley 122 Comment
  RSA0062664  Bebbia juncea C. J. Humphrey, Herbert Humphrey 1936-6-7 405 Riverside In foothills 18 miles East of Riverside. 548 Comment
  CAS-BOT-BC100115  Bebbia juncea var. aspera P. Munz; L. Street 1919-5-7 2738 Riverside Tahquitz [Canon] Canyon Comment
  JEPS32146  Bebbia juncea var. aspera W. L. Jepson 1927-4-11 11626 Riverside Whitewater Bridge 457 Comment
  JEPS7826  Bernardia myricifolia Rimo Bacigalupi with L. R. Heckard 1953-5-5 4075 Riverside w. slopes Deep Canyon (ca. 1/2 way betw. Santa Rosa Mts. & San Jacinto Mts., above Seven Level Hill, along Palms-to-Pines Hwy.(CA #74), bordering w. side Coachella Valley); w. Riverside Co., w. Coachella Valley, Deep Canyon 1066 Comment
  UCSB25708  Bernardia myricifolia 1968-7-16 Riverside Along Stone Crest Road, 0.5 mile north of forest boundary marker T65, R5E, SBB&M, 2.0 miles north of Pinyon Flats, Southern San Jacinto Mountains 1219 Comment
  UCD114305  Boechera arcuata Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 524 Riverside Along fire rd S of S end Marion Ridge Rd., Pine Cove, NW of Idyllwild, San Jacinto Mts. 1938 Comment
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Dec 25 2013
  RSA482668  Boechera californica T. H. Holmes 1932-3-27 s.n. Riverside Millard Canyon Comment
  CAS-BOT-BC25657  Boechera pulchra Annie M. Alexander; Louise Kellogg 1941-5-3 2105 Riverside San Bernardino and Riverside Counties. Joshua Tree National Monument. 13 miles southwest of 29 Palms. 1371 Comment
  CLARK-A1528-5699  Boerhavia coccinea John C. Roos 1945-5-15 3858 Riverside Eagle Mountains Comment
  UCR35198  Boerhavia coccinea L. B. Ziegler 1967-8-30 218 Riverside San Jacinto Valley, Vacant lots in city of San Jacinto 473 Comment
  SEINET6049526  Boerhavia coulteri Unknown 17074 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA462667  Boerhavia triquetra C. M. Dammers 1924-10-6 s.n. Riverside Cottonwood Springs Comment
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Oct 13 2012
  RSA751512  Boerhavia triquetra Jim Andre, Tasha La Doux 2008-9-13 10264 Riverside Cuckwalla Valley: Along Hwy 177 (NW side), SE end of Coxcomb Mts. E boundary of Joshua Tree National Park 161 Comment
  SD255219  Boerhavia wrightii Duncan S. Bell 2011-9-30 2937 B Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; ca. 2.0 air miles southwest of the ghost town of Rice. 234 Comment
  UCR264237  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41844 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  UCR109747  Bolboschoenus maritimus subsp. paludosus T. W. Fisher 1964-7-21 s.n. Riverside Peninsular Range, Temecula area, Arroyo Seco Creek at Vail Lake 457 Comment
  RSA38417  Bothriochloa barbinodis P. A. Munz 1946-10-21 11588 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  UCR227593  Bouteloua barbata Duncan S. Bell, Joy England 2010-10-5 1976 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.75 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1387 Comment
  UCR242303  Bouteloua barbata A. C. Sanders, T. B. Salvato 2012-10-12 40429 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  JOTR30287  Bouteloua barbata var. barbata La Doux, Tasha, Bill Truesdell 2006-10-3 1782 Riverside Joshua Tree National Park. Pinto Basin: (Stop 2) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 694 Comment
  RSA0027475  Bouteloua barbata var. barbata Deidre Conocchioli, Sarah J. De Groot 2013-9-18 49 Riverside Valley north of Chocolate Mountain range. From Desert Center: Take I -10 West for 9.2 miles. Take exit marked Red Cloud Road. Turn left to cross under the interstate, continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles., Continue over metal grate onto an unmarked, unpaved power line road for 0.2 miles. The collecting site is along the portion of the road that runs nearly parallel with an old raised railroad for a short distance before diverging. Collecting done on both sides of road. 442 Comment
  UC700945  Brandegea bigelovii Aven and Ruth Nelson 1939-3-28 3304 Riverside s of Mecca (near Salton Sea, Highway 111); Highway 111 Comment
  SD132412  Brassica fruticulosa A. C. Sanders, O. F. Clarke 1989-4-5 9035 Riverside Box Springs Mountains, on the east edge of Riverside; at the end of the dirt road in Two Trees Canyon. Comment
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Sep 10 2011
  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
  CAS-BOT-BC106189  Brickellia desertorum John C. Roos 1950-10-15 5009 Riverside Dry Morongo Canyon about 1 mile south of Riverside-San Bernardiino County line. 609 Comment
  UC527701  Brickellia desertorum C. B. Wolf 1931-10-14 Riverside 1/2 mi below the Fish Hatchery (n base of San Jacinto Mts., Snow Creek); Snow Creek 548 Comment
  UCR93100  Brickellia desertorum F. M. Reed 1929-11-8 6679 Riverside San Jacinto Mtns/Colorado Desert,, mouth of Snow Creek Canyon 300 Comment
  SEINET10760947  Brickellia desertorum David B. Dunn 1947-7-20 Dunn 3521 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  JEPS18629  Brickellia incana W. L. Jepson 1928-4-23 12555 Riverside 2.5 mi below Cottonwood Springs (s edge of Cottonwood and Eagle Mts., Colorado Desert); Colorado Desert, Cottonwood Mts., Eagle Mts. 487 Comment
  RSA544398  Brickellia oblongifolia var. linifolia Steve Boyd 1991-6-8 6325 Riverside San jacinto Mts, Pinyon FLats area at jtn of Santa Rosa Mtn. Rd. and Hwy 74. 1400 Comment
  UCR48380  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA678935  Brodiaea orcuttii Scott D. White, Michael Honer 2003-6-3 9478 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR217655  Brodiaea santarosae Karyn L. Drennen, Ana Hernandez 2010-5-12 014 Riverside Santa Ana Mountains foothills, Santa Rosa Plateau, south edge of Mesa de Colorado, 760 m east-southeast of Via Volcano/Avocado Mesa Road intersection, 250 m east of Via Volcano, 50 m north of dirt road 627 Comment
  SEINET239061 Image available Bromus arizonicus O. F. Clarke 1973-3-21 Riverside Riverside. Weed at the O.F. Clarke residence, 1012 Spruce Street. Comment
  UCR20584  Bromus arizonicus John C. Roos 1952-4-9 5473 Riverside Riverside, E base of Mt. Rubidoux 274 Comment
  UCR207330  Bromus catharticus O. F. Clarke 2000-4-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  JOTR35181  Bromus catharticus var. catharticus Harding, Mitzi, T. Herskovits 2011-9-14 163 Riverside Joshua Tree National Park. Queen Mountains; west side of Barker Dam; small riparian zone in and along drainage from dam 1300 Comment
  RSA513431  Bromus diandrus J. D. Olmsted 1962-5-10 3660 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  RSA697042  Bromus hallii Keith E. Hoffmaster 1937-7-5 s.n. Riverside San Jacinto Mountains, Pine Flat. 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
  SDSU956  Bromus orcuttianus var. hallii H. Wedberg 1962-7-28 1001 Riverside On dirt road about 2.5 miles N from Black Mtn Publ. Campground, in opening of montane forest with Bracken, P. jeffreyi, Ceanothus cordulatus. San Jacinto Mountains. 2286 Comment
  CAS-BOT-BC161813  Bromus rubens Miles Fellows 1982-3-16 s.n. Riverside At the base of the north facing hillside 30 yards west of the entrance to the University of California RIverside Botanic Garden. Comment
  UCR21938  Bromus rubens Steve Boyd 1980-5-11 227 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
  RSA495406  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2893 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  SEINET4404474  Bromus rubens N. D. Atwood 1993-3-27 17691 Riverside Corona Del Mar State Park, along Newport Coast Drive 0 Comment
  RSA0080355  Bromus tectorum Steve Boyd 2011-3-29 12305 Riverside Southeast end of range in south branch of Mission Canyon, just upstream from confluence with north branch. 762 Comment
  UCR140292  Bromus tectorum A. C. Sanders 2004-4-9 27460 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR228741  Bromus tectorum A. C. Sanders, Nathan Moorhatch 2011-3-22 38799 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR230762  Bromus tectorum A. C. Sanders, T. B. Salvato 2011-3-30 38894 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  RSA0020668  Bromus tectorum N. C. Cooper 1944-5-20 1295 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  JOTR31864  Caesalpinia virgata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2119 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  POM28931  Caesalpinia virgata Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  RSA595539  Caesalpinia virgata Alan Prather, Alice Hempel 1993-5-16 s.n Riverside Along I-10, 20.1 km E of Coachella, at the rest stop for the westbound lanes. 400 Comment
  RSA80969  Caesalpinia virgata G. R. Campbell 1952-4-6 18418 Riverside Box Canyon, road leading from Hwy 60-70 to Salton Sea. 457 Comment
  UC1128935  Caesalpinia virgata H. S. Yates 1937-3-23 6432 Riverside Painted Canyon Thermal Quad., Painted Canyon Comment
  POM8687  Calandrinia ciliata P. A. Munz, R. D. Harwood 1920-2-28 3268 Riverside 2 mi. southwest of Corona. 305 Comment
  SD248483  Calandrinia ciliata Mitch Provance 2012-4-24 412 08 Riverside San Gorgonio Pass: Smith Creek SW of Banning, near corner of Sunset Ave and Bobcat Road (Beaumont 7.5'Q) 735 Comment
  UCR225591  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-3-29 38883 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  POM13642  Callitriche marginata P. A. Munz 1922-5-5 5163 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  SD90606  Callitriche marginata Robert F. Thorne, Earl Lathrop 1969-5-12 37925 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  RSA651313  Calocedrus decurrens J. H. Reynolds 1981-2-14 11 Riverside Idyllwild Visitor Center. 10 m due W from visitor center museum entrance. 1900 Comment
  RSA377365  Calochortus invenustus M. B. Dunkle 1933-7-20 3717 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  CAS-BOT-BC483416  Calochortus invenustus H. M. Hall 1901-7-1 2475 Riverside Tahquitz Valley, San Jacinto Mountains 2712 Comment
  SD135160  Calochortus palmeri var. palmeri Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northwest flank of Santa Rosa Peak, well upslope of Highway 79, mesic opening in chaparral. (IPB 3/08) Comment
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Dec 29 2017
  UCR240269  Calochortus plummerae Theresa Johnson 2010-6-16 s.n. Riverside San Jacinto Mtns. Foothills, Potrero Canyon 701 Comment
  RSA377468  Calochortus splendens R. K. Benjamin 1929-5-18 234 Riverside Mt. San Jacinto. Comment
  RSA633887  Calochortus splendens Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38128 Riverside San Jacinto Mountains: San Bernardino National Forest. Woods above James Reserve. 1676 Comment
  SDSU11909  Calochortus splendens H. Wedberg 1962-5-23 939 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  RSA25595  Calochortus weedii Carl B. Wolf 1941-6-27 10899 Riverside Santa Ana Mountains, Ortega Highway, E of its summit. 762 Comment
  SD181791  Calochortus weedii var. intermedius Scott D. White, Brian Leatherman 2000-6-1 7994 Riverside Corona Foothills: Steep slopes directly south of Oak Av. And Lincoln Av., just east of Hagador Canyon. 381 Comment
  UCR21916  Calycadenia tenella Steve Boyd 1980-5-8 217 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  CAS-BOT-BC283322  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside Mojave Desert. Smoke Tree Wash, ca 5 miles NE of Cottonwood Springs, Joshua Tree National Monument 853 Comment
  POM311104  Calycoseris parryi H. K. Sharsmith 1952-4-10 4060 Riverside Smoke Tree Wash, ca 5 mi. NE of Cottonwood Spirngs, Joshua Tree National Monument 854 Comment
  RSA532560  Calycoseris parryi D. Bramlet 1991-5-9 2134 Riverside North Domenigoni Hills Comment
  SBBG101736  Calycoseris parryi S. Boyd with D. Bramlet 1991-5-13 6243 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 609 Comment
  RSA49375  Calycoseris wrightii Philip A. Munz 1949-4-12 13038 Riverside Mojave Desert, SE part of Pinto Basin. sandy wash Comment
  UCR85166  Calycoseris wrightii A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16086 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  CHSC109026  Calyptridium monandrum Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4537 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.95609, W116.64365 and N33.95477, W116.64248. 525 Comment
  UCR176902  Calystegia macrostegia Tracy Tennant 1998-5-13 s.n. Riverside Peninsular Range, Vail Lake outlet, Temecula Creek Canyon 488 Comment
  HSC94250  Calystegia macrostegia subsp. arida D. Atwood 1993-3-26 17684 Riverside 6 mi. NE of San Juan Capistrana along Hwy. 74 Comment
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Jun 3 2012
  RSA714421  Calystegia macrostegia subsp. macrostegia A. C. Sanders 2004-5-12 27872 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UC23142  Calystegia occidentalis subsp. fulcrata H. M. Hall 1901-6 Riverside vicinity Strawberry Valley (San Jacinto Mountains); , vicinity Strawberry Valley 1584 Comment
  UCR259206  Camissonia Mitch Provance 2012-4-23 412- 13 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  RSA25611  Camissonia bistorta Carl B. Wolf 1941-6-29 4219 Riverside West side of Lake Elsinore. 366 Comment
  RSA559960  Camissonia bistorta Steve Boyd, Orlando Mistretta 1992-4-23 7071 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  POM97116  Camissonia bistorta P. A. Munz 1925-5-20 9838 Riverside 2 miles W of Dripping Spring 396 Comment
  UCR10926  Camissonia boothii John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  UCR30053  Camissonia boothii A. C. Sanders 1983-4-24 3798 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  RSA792481  Camissonia boothii subsp. condensata Justin M. Wood, Dustin Ray 2011-4-28 3847 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  RSA617857  Camissonia brevipes Walter Wisura 1998-3-28 5114 Riverside 3.1 mi W of Corn Spring S of I-10. Comment
  RSA145191  Camissonia brevipes subsp. brevipes E. G. Linsley, J. W. MacSwain 1960-3-2 60 -8 Riverside Colorado Desert, 2 miles W of Desert Center. Comment
  RSA9313  Camissonia brevipes subsp. brevipes P. A. Munz, R. D. Harwood 1920-4-2 3580 Riverside Colorado Desert, near Blythe. 152 Comment
  RSA135569  Camissonia brevipes subsp. pallidula Peter H. Raven 1958-3-1 11745 Riverside Colorado Desert, US Highway 95, 8.6 miles N of Blythe. Comment
  RSA523538  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3998 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR251780  Camissonia californica Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-5-16 1254 Riverside San Bernardino Mtns., Haugen-Lehmann Way off I-10, Pacific Crest Trail (PCT) in canyon directly west of Whitewater 675 Comment
  UC56475  Camissonia campestris subsp. campestris H. M. Hall April, 1902 2917 Riverside vicinity of Winchester 457 Comment
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Mar 20 2011
  RSA784955  Camissonia cardiophylla Duncan S. Bell 2012-2-12 3113 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET10870498  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7472 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s. R10e. Sec35. Locally common gravelly slope of wash bank. Petals bright yellow. 244 Comment
  POM17854  Camissonia hirtella P. A. Munz 1923-6-14 7064 Riverside Glen Ivy Trail to Santiago Peak 1220 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
  CAS-BOT-BC176433  Camissonia intermedia Mitch Provance 2003-4-17 4630 Riverside San Bernardino Valley: Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., W of the railroad tracks 360 Comment
  UCR117346  Camissonia micrantha Mitch Provance 1998-3-31 307 Riverside Jurupa Mountains, Pyrite Canyon, 'Deep Pyrite Dune', c. 0.3 km south of the end of Savonia Dr. in Southridge, Fontana, just on the Riverside Co. side of the county line. 335 Comment
  RSA25368  Camissonia refracta C. L. Hitchcock 1940-4-1 5898 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA675983  Camissonia refracta Scott D. White 2001-4-17 8347 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
  RSA75687  Camissonia refracta F. W. Peirson 1926-1-31 6492 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  SEINET3406125 Image available Camissonia refracta Jim Andre, T. La Doux 2009-2-25 10821 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center. (Sidewindser Well 7.5' Q.) 129 Comment
  SEINET10492424  Camissonia refracta David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3707 Riverside Found growing in a wash. Indio hills, colorado desert. Near fushawalla. Comment
  SDSU3407  Camissonia strigulosa H. Wedberg 1958-3-31 201 Riverside 1.8 miles south of Hwy 74 x Hwy 79 in Hemet. Roadside in sandy gravel in cultivated grassy field. Comment
  JEPS31584  Camissoniopsis bistorta W. L. Jepson May 17 1901-Jun 1 1901 1210 Riverside mesas e Riverside Comment
  SDSU3315  Camissoniopsis bistorta R. S. Luaw, T. Mosquin 1957-4-1 Riverside 11 mi. w. Riverside Comment
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Mar 28 2014
  UCSB40002  Camissoniopsis bistorta Sauls, Mary 1978-4-15 Riverside 0.5 miles south of Glen Eden Road on Calif. Hwy 71 Comment
  SD254655  Camissoniopsis confusa B. Pitzer 1997-3-23 2993 Riverside Perris Aguanga Basin Region: Lakeviwer Mountains, ca.1 air mile SSW of Mt. Rudolph, along powerline road 0.3 mile E of Contour (Juniper Flats) Road (Lakeview 7.5'Q) 609 Comment
  UCR241013  Camissoniopsis confusa T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1213 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
  SD247462  Camissoniopsis hirtella T. B. Salvato, Matt MallA^ 2014-5-29 8025 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mile west of Murrieta Road and 4.3 miles southeast of Canyon Lake (Romoland 7.5'Q) 534 Comment
  UC1595618  Camissoniopsis hirtella Steve Boyd 1991-5-20 6271 Riverside nw Lake Elsinore (just inside Nat. For. boundary); Santa Ana Mountains, Cleveland Nat. For., Lower Rice Cyn 573 Comment
  UC279689  Camissoniopsis pallida subsp. pallida Edmund C. Jaeger 1925-12-19 Riverside near Palm Springs; Eagle Canyon 106 Comment
  UCSB4505  Camissoniopsis pallida subsp. pallida Gunnerson, Robert 1953-3-22 Riverside Devil's Garden Comment
  RSA535488  Cardamine californica var. integrifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6636 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
  UCR18046  Carduus pycnocephalus O. F. Clarke 1967-5-2 s.n. Riverside Riverside, Box Springs Mts, Pigeon Pass Rd and County Dump Rd Comment
  CAS-BOT-BC18027  Carex athrostachya Peter Kamb 1948-7-4 1177 Riverside San Jacinto Mountains. Hall Canyon. 1645 Comment
  CAS-BOT-BC32036  Carex multicaulis J. P. Simon; C. W. Tilforth 1969-6-24 38117 Riverside San Bernardino National Forest, San Jacinto Mts., 1676 Comment
  SEINET7574126 Image available Carex sartwelliana I. W. Clokey, E. G. Anderson 1935-8-21 6563 Riverside Fuller's Creek. 1500 Comment
  CAS-BOT-BC117448  Carex senta Mary Evelyn [nee Fisk] Spencer 1919-7-6 1263 Riverside Jaquito Meadow. 2377 Comment
  SD79818  Carex spissa Helen V. Witham 1969-7-2 189 Riverside De Luz Creek Crossing; 4 miles north of De Luz. 249 Comment
  SEINET3079495 Image available Castilleja affinis Don Mitchell 1990-4-30 Riverside W. side of Sage Road, ca 1/2 mi. S of intersection with Wilson Valley Road. (Sage 7.5' quad) 701 Comment
  JEPS60185  Castilleja affinis subsp. affinis L. R. Heckard 1969-4-24 2166 Riverside about 2.5 mi s Sage (along Highway 79) Comment
  RSA773670  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1093 Riverside San Bernardino National Forest: Garner Valley, approximately 2.7 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  UCR131801  Castilleja exserta Mrs. D. R. Wolf 1932-3-20 30 Riverside Santa Rosa Plateau, Richman Ranch, 2.5 miles north of DeLuz, SW Riverside County 457 Comment
  SD10676  Castilleja exserta subsp. exserta Mrs. D. R. Wolf 1932-3-20 30 Riverside Richman Ranch, 2I(c) mi. no. of De Luz 456 Comment
  RSA770851  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4937 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SEINET3079690 Image available Castilleja foliolosa B. Pitzer 1986-4-26 181 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UCR133981  Castilleja foliolosa Mitch Provance, J. S. Ross 1998-3-27 MOR- 974 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  UCR133711  Castilleja martinii N. C. Cooper 1944-6-17 1418 Riverside San Jacinto Mtns., [road to Idyllwild] above Banning 1372 Comment
  UC26455  Castilleja miniata H. M. Hall 1901-8-1 2582 Riverside Tauquitz Valley; San Jacinto Mts. 2438 Comment
  SBBG66948  Castilleja minor subsp. spiralis R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  UCR133394  Castilleja minor subsp. spiralis Tracy Tennant, T. B. Salvato 1998-6-23 MOR 475 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  RSA786951  Castilleja stenantha Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49550 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UCR19451  Caulanthus cooperi Carl Epling, Harlan Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, 3 miles north of Cottonwood Spring 945 Comment
  CAS-BOT-BC41140  Caulanthus heterophyllus Scott D. White; Justin Wood 2008-4-16 11889 Riverside Perris/Elsinore Basin. Hills to the west of I-215 and south of Scott Road. 549 Comment
  UCD114553  Caulanthus heterophyllus A. C. Sanders; Steven R. Hill 2001-5-4 24134 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Road at Avenida del Oro (to Sandia Crk. Dr.), E side of Rancho C. Road. 148 Comment
  UCR5980  Caulanthus heterophyllus David M. Peterson 1966-2-24 660224- 7 Riverside 50 feet NE of the SE corner of the botanical garden fence, Univ. of Calif. Riverside 457 Comment
  SBBG122768  Caulanthus simulans A. Parikh 1990-4-27 160 Riverside SW of Crown Valley, W or Rawson Cyn, 1.9 km SW of jct of Crown Valley Rd and Rawson Rd 730 Comment
  UCR27051  Caulanthus simulans L. F. LaPre, E. B. Ellis 1982-4-24 s.n. Riverside Santa Rosa mtns, Pinyon Flat, along road to the dump 1220 Comment
  CAS-BOT-BC48455  Ceanothus crassifolius Herbert L. Mason; Munz; Peirson 1926-4-30 3120 Riverside Southwestern Riverside Co. - Temecula canyon, 2 miles south of Temecula Comment
  CAS-BOT-BC48499  Ceanothus crassifolius A. C. Sanders 1998-1-15 21629 Riverside Lake Skinner area: Black Mtn., along road up north side (Bachelor Mtn. 7.5' Q. 883 Comment
  RSA570226  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7895 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA605763  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Lakeview Mts, N of Winchester, at 'Maze Stone' Picnic Area. SE-facing slope. 610 Comment
  UCR90962  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  SEINET13945800 Image available Ceanothus crassifolius Lewis S. Rose 1949-1 49072 Riverside 2 mi. south of Temecula 366 Comment
  UCR154461  Ceanothus cuneatus var. cuneatus Jason L. Hlebakos 2005-5-30 803 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  PASA2404  Ceanothus greggii var. perplexans Frank W. Peirson 1932-5-20 Riverside Hemet Valley, San Jacinto Mts. 1447 Comment
  RSA276719  Ceanothus greggii var. perplexans John F. Emmel 1978-9-25 620 Riverside Santa Rosa Mountains; slope above Mountain Home Spring 1982 Comment
  UC303593  Ceanothus greggii var. perplexans S. B. Parish 1919-3-28 19201 Riverside Jack Rabbit Trail near Beaumont Comment
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Mar 21 2011
  LA44859  Ceanothus leucodermis W. Pequegnat; 1939-4-8 45 Riverside Santa Ana Mountains Comment
  POM282968  Ceanothus leucodermis E. W. Lathrop 1966-3-20 6072 Riverside Summit Temecula. Comment
  RSA343875  Ceanothus leucodermis Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60665 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  RSA263748  Ceanothus oliganthus E. W. Lathrop 1968-5-22 6905 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  RSA569998  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7914 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
  RSA583377  Ceanothus ophiochilus Steve Boyd, Darin Banks 1995-2-16 8404 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on break in slope on ridgeline east of the upper end of the old Woodchuck Truck Trail road grade, just north of the San Diego County line. 1098 Comment
  UC1178628  Ceanothus palmeri Peter Kamb 1948-7-4 1158 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  HSC101779  Ceanothus perplexans J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13200 Riverside 1470 Comment
  UC1071429  Ceanothus tomentosus A. Lewis 1934-3-4 308 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quad. Comment
  RSA13605  Ceanothus tomentosus var. olivaceus E. C. Jaeger 1922-3-30 1141 Riverside Water Canyon at Banning. Comment
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Mar 8 2012
  RSA221096  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1966-3-23 6092 Riverside Santa Ana Mountains: Corona between Tin Mine Canyon and Santiago Peak, Skyline Drie. Comment
  CDA1881  Cenchrus ciliaris D. Halsey 1978-2-1 s.n. Riverside Kapra Ranch, Indio. 0 Comment
  RSA500112  Centaurea melitensis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3699 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR20322  Centaurea repens John C. Roos 1947-7-5 2908 Riverside junction of San Timoteo and Live Oak Creeks 459 Comment
  RSA613901  Centaurea solstitialis A. C. Sanders, O. F. Clarke 1997-5-4 20670 Riverside Baeumont: near railroad on E side of Hwy 79, S of I-10 793 Comment
  RSA735072  Centaurium venustum Scott D. White, Angelia Carey 2004-6-4 10477 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR178140  Centaurium venustum Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 648 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  JEPS106970  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 7 Riverside Hemet, N of CA-74 and W of Warren Road Comment
  RSA689429  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -247 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  POM172023  Centrostegia thurberi P. A. Munz 1930-5-1 11923 Riverside Dry Morongo Valley, Colorado Desert Comment
  RSA526484  Cerastium glomeratum Steve Boyd, Timothy S. Ross 1990-5-11 4681 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
  RSA561781  Cerastium glomeratum Steve Boyd 1992-4-14 6847 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA405364  Cercidium floridum N. C. Cooper 1949-6-29 4288 Riverside Palms to Pines Hwy, San Jacinto Mts. 305 Comment
  CAS-BOT-BC135455  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside Rocky ridges near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  SEINET9356336  Chaenactis Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  RSA519237  Chaenactis artemisiifolia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR174518  Chaenactis artemisiifolia A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32508 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA779581  Chaenactis carphoclinia Duncan S. Bell 2009-3-7 13 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  RSA781601  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 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
  JEPS8864  Chaenactis carphoclinia var. carphoclinia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1357 Riverside Palm Canon and return to Van Deventer's Palm Canon 914 Comment
  JOTR37424  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha 2016-3-9 3659 Riverside Above Hayfield Dry Lake - Stop 2 516 Comment
  UC472857  Chaenactis carphoclinia var. carphoclinia unknown 1920-4-4 Riverside Tahquitz Trail Colorado Desert, Palm Springs, Tahquitz Trail 152 Comment
  RSA770843  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4947 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  RSA773044  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5037 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 W116.66013 750 Comment
  VVC703  Chaenactis fremontii P. J. MacKay, T. Thomas 1997-2-8 92 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  SEINET2049368 Image available Chaenactis glabriuscula Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road, T7S, R1E, sec 32. 701 Comment
  RSA628463  Chaenactis glabriuscula var. glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  SD237305  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Santa Ana Mountains: Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers, near concrete wildlife drinker. 1039 Comment
  CAS-BOT-BC284340  Chaenactis stevioides A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37430 Riverside SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Road, Sonoran (Colorado) Desert 170 Comment
  CAS-BOT-BC284348  Chaenactis stevioides H. M. Hall 1905-5-1 6018 Riverside Cottonwood Springs, Colorado Desert 670 Comment
  HSC101261  Chaenactis stevioides Jim Andre 2012-3-19 21353 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA550344  Chaenactis stevioides Walter Wisura, John Dolan, Michael Wall 1992-3-25 4644 Riverside Lowdesert: Chuckwalla Road, 14.3 miles E of Corn Spring Road. Comment
  UCSB7215  Chaenactis stevioides Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shaver Summit Comment
  JOTR31118  Chamaesyce albomarginata La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2501 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  SFV11876  Chamaesyce micromera R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  SEINET3089924 Image available Chamaesyce pediculifera A. C. Sanders, Pitzer, Wright, Charleton, Weir, Bramlett, et al. 1986-3-9 6231 Riverside Painted Gorge, 5.1 miles N of S-80 on Painted Gorge Road, ca. 5 miles NE of Ocotillo. 152 Comment
  SEINET3071823  Chamaesyce polycarpa Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17504 Riverside West of Palen Pass quadrangle, zone 11 0663470mE 3753470mN NAD83, Palen Valley, along Palen Pass Road, 17km west of Palen Pass, 67km WNW of Blythe, 27km NNE of Desert Center 175 Comment
  UC489210  Chamaesyce serpillifolia subsp. hirtula C. V. Meyer 1928-7-30 587 Riverside Saunders Meadow San Jacinto Mountains 1676 Comment
  JOTR30052  Chamaesyce serpyllifolia La Doux, Tasha, Jade Mohajerin 2006-10-12 1662 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  UC17669  Chamaesyce serpyllifolia H. M. Hall July, 1901 2532 Riverside vicinity Strawberry Valley; San Jacinto Mtns 1584 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
  RSA741109  Chamomilla suaveolens Scott D. White, Justin M. Wood 2008-6-17 12159 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  JOTR16825  Cheilanthes covillei Supernaugh, William JR. 1967-2-16 57 Riverside Joshua Tree National Park. 1/4 MILE SOUTH OF RYAN HOMESTEAD 1341 Comment
  POM11675  Cheilanthes covillei P. A. Munz, I. M. Johnston 1922-5-19 5435 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA388057  Cheilanthes covillei Steve Boyd 1985-12-25 1199 Riverside Gavilan Hills; granitic ridge on W side of Steele Valley in SCE Transmission Line Corridor. Comment
  UC399602  Cheilanthes covillei I. M. Johnston 1918-4-3 1830 Riverside San <Jaciento> Canyon; San <Jaciento> Mts 685 Comment
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Nov 20 2011
  UC667376  Cheilanthes covillei Annie M. Alexander and Louise Kellogg 1941-5-21 2211 Riverside canyon n slope of Eagle Mts Colorado Desert, Eagle Mts 1280 Comment
  UC708735  Cheilanthes covillei H. K. Wagnon 1944-3-8 310 Riverside 1/4 mi s Trading Post (along w side of stream); Palm Canyon Comment
  CAS-BOT-BC68052  Cheilanthes parryi Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  CAS-BOT-BC70383  Cheilanthes viscida Annie M. Alexander; Louise Kellogg 1941-5-21 2214 Riverside North slope of Eagle Mountains 1158 Comment
  RSA125851  Cheilanthes viscida E. K. Balls, Percy C. Everett 1957-11-13 22798 Riverside Snow Creek, about old Fish Hatchery 701 Comment
  RSA666517  Chenopodium Mitch Provance 2000-10-28 2269 Riverside Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  UCR126430  Chenopodium album T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 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
  SD260934  Chenopodium missouriense Mitch Provance 2012-9-11 17623 Riverside Badlands of Western Riverside County: Beaumont, near N base of Mr. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  UCR115154  Chenopodium missouriense Mitch Provance 2000-10-14 2256 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  RSA27511  Chenopodium murale I. L. Wiggins 1941-3-24 9584 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line. Comment
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Feb 20 2013
  SEINET10764861  Chenopodium murale Dave Silverman, Onkar Singh 2010-3-25 Silverman 7847 Riverside Palo Verde Mesa, 220 m east of Black Creek Rd, 6.6 km west of McCoy Wash, and 8.2 km north of I-10. 160 Comment
  RSA751276  Chenopodium pratericola A. C. Sanders 2008-7-25 35907 Riverside east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCD169562  Chenopodium pratericola A. C. Sanders 2008-7-25 35907 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills. 1580 Comment
  UCR181630  Chenopodium pratericola Mitch Provance 2003-6-7 7609 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  CLARK-A1528-2282  Chilopsis linearis John C. Roos 1943-5-23 2669 Riverside Dry Morongo Wash Comment
  CSUSB733  Chilopsis linearis Lalo Codova 1972-7-25 S. N. Riverside Palm Springs 76 Comment
  UCR193959  Chilopsis linearis A. C. Sanders 2008-7-25 35924 Riverside Interior South Coast; San Jacinto Valley, Gilman Springs Road, c. midway between Bridge St. and Lambs Canyon Rd., c. 5.6 mi. (air) ENE of Lakeview 473 Comment
  SEINET10457922  Chilopsis linearis Rose 1935-12-22 Rose 35682 Riverside Colorado Desert. Palm Canyon Wash. Desert. 183 Comment
  SEINET8733767 Image available Chilopsis linearis James W. Hardin 1969-1 13284 Riverside Desert, just ne. of Palm Springs. 4 Comment
  UC63821  Chimaphila menziesii H. M. Hall June, 1901 Riverside San Jacinto Mts., Dark Canyon Comment
  RSA689436  Chloris truncata R. E. Riefner 2003-5-27 3 -254 Riverside Perris Valley, Rider Street near Perris Valley Storm Drain. 483 Comment
  JEPS68481  Chloris virgata W. L. Jepson 1912-11-1 5269 Riverside Palo Verde Valley, Blythe 82 Comment
  CAS-BOT-BC191701  Chorizanthe brevicornu var. brevicornu H. Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  UCR111963  Chorizanthe coriacea A. C. Sanders, T. B. Salvato 2000-5-25 23406 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
  UCR156354  Chorizanthe coriacea T. B. Salvato, Kent Beaman 2005-5-16 879 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
  UC68580  Chorizanthe corrugata H. M. Hall Apr 1905 5905 Riverside Chuckawalla Springs Colorado Desert, Chuckawalla Springs Comment
  POM12961  Chorizanthe fimbriata P. A. Munz, I. M. Johnston 1922-5-18 5318 Riverside 3 miles south of Murrieta. Comment
  RSA526140  Chorizanthe fimbriata Steve Boyd, Laurel Artnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4569 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  SD160881  Chorizanthe fimbriata var. laciniata Virginia S. Moran 2000-4-21 Riverside Lower slopes of Bell Mountain, Sun City. Off Garibaldi Road from I-215. GPS taken from Topo Program, Sun City quadrangle (1:12,000) 487 Comment
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Nov 4 2014
  CAS-BOT-BC191351  Chorizanthe leptotheca S. G. Stokes 1933-7-1 311 Riverside Road to Idyllwild, San Jacinto Mts. Comment
  UCR274147  Chorizanthe leptotheca T. B. Salvato, Gregg Miller 2005-6-7 1431 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR220137  Chorizanthe parryi var. parryi D. E. Bramlet 1995-4-13 2393 Riverside Peninsular Range; Perris-Aguanga Basin region, South Domenigoni Hills, 7800 ft. north of Rawson Rd., 5800 ft. east of MWD canal, & 1200 ft. NE of knoll 2143 616 Comment
  UCR123226  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-15 2328 Riverside Gavilan Hills, eastern Lake Mathews area, 2 km west of El Sobrante Rd. and 274 m north of Cajalco Road, 1.2 km west of the entrance gate and 213 m south of the access road 439 Comment
  UCR228837  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato 2011-4-27 39336 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  RSA709909  Chorizanthe rigida Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4614 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR230194  Chrysanthemum coronarium A. C. Sanders, T. B. Salvato 2011-4-29 39357 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  POM316422  Chrysothamnus paniculatus R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55386 Riverside San Bernardino Mountains: Whitewater Canyon, about 3.3 miles north of Whitewater Post Office 595 Comment
  UCR99566  Chrysothamnus paniculatus B. G. Pitzer 1996-11-11 2930 Riverside Sonoran (Colorado) Desert, Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. south of Bob's Cabin 274 Comment
  SBBG81682  Chylismia brevipes S. A. Junak 1983-3-24 1658 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  SD258444  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-27 24818 Riverside Riverside Mountains; east side of Riverside Mountains, along Nwy 95, 13.2 miles S of Vidal Jst. Parker SW 7.5'Q 125 Comment
  UC1184320  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11751 Riverside along US Hwy 95 35.8 mi n Blythe (near Colorado River) Comment
  CAS-BOT-BC160580  Chylismia claviformis subsp. aurantiaca A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37433 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-BC160588  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-29 3109 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  UCR244729  Chylismia claviformis subsp. aurantiaca Jim Andre 2012-3-19 21346 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  JEPS23425  Chylismia claviformis subsp. peirsonii Newlon 1922-4-2 418 Riverside hwy between Westmoreland and Indio; Colorado Desert Comment
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Apr 3 2011
  RSA65411  Cistanthe ambigua F. W. Peirson 1926-2-22 6512 Riverside 0.5 mile north of camp in Palm Grove, Thousand-Palm Canyon, Coachella Valley. Comment
  POM115623  Cladium californicum A. M. Alexander, Louise Kellogg 1941-5-17 2191 Riverside Near Dos Palmas. Comment
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Apr 6 2011
  RSA561136  Clarkia bottae Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7339 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 366 Comment
  UC69181  Clarkia purpurea subsp. quadrivulnera H. M. Hall June 1905 6240 Riverside Box Springs Mt. vicinity of Riverside (e base); Box Springs Mt., vicinity of Riverside 609 Comment
  CAS-BOT-BC165225  Clarkia similis Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts, San Juan Canyon, Highway 74 609 Comment
  RSA0059956  Clarkia unguiculata J. C. Roos, L. Roos 1952-4-28 5587 Riverside South side Fairount Park. 259 Comment
  UCR156352  Claytonia parviflora T. B. Salvato, Kent Beaman 2005-5-16 877 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
  UCR174965  Claytonia parviflora Teresa Nieto 2005-4-24 22 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR228882  Claytonia parviflora A. C. Sanders 2011-4-6 39020 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  POM49158  Claytonia parviflora subsp. tenuifolia P. A. Munz 1924-5-18 8145 Riverside 18 miles south of Banning on Idyllwild Road. 1524 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
  RSA33786  Claytonia perfoliata subsp. intermontana N. C. Cooper 1944-5-21 1301 Riverside San Jacinto Mountains, West side 915 Comment
  RSA612939  Clematis lasiantha D. L. Banks 1997-3-29 1638 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  CLARK-A1528-3851  Clematis ligusticifolia John C. Roos 1965-10-7 Riverside Riverside Comment
  RSA180259  Clematis pauciflora E. W. Lathrop 1965-3-30 5593 Riverside Tenaja Guard Station, 16 mi. W of Murrieta. Comment
  SDSU13525  Clematis pauciflora W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UC1125977  Clematis pauciflora A. Lewis 1934-3-4 304 Riverside Tin Mine Canyon Cleveland Nat'l Forest, Corona Quad., Tin Mine Canyon Comment
  UCR104180  Clematis pauciflora Scott D. White 1997-5-25 5251 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA440809  Cleome isomeris Robert Gustafson 1981-4-7 2150 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  CAS-BOT-BC214180  Clinopodium chandleri E. W. Lathrop 1966-5-8 6265 Riverside 3 miles SW of Murrieta Comment
  SBBG101774  Cnicus benedictus S. Boyd with T. Ross 1991-6-14 6395 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  RSA0117456  Collinsia concolor Duncan S. Bell, Joy D. England 2010-6-4 1263 Riverside San Bernardino National Forest: Garner Valley, along forest service road 6S13 approximately 0.5 air mile west of junction of forest service road 6S04 and forest service road 6S13. 1372 Comment
  UC1595647  Collinsia concolor Steve Boyd, Orlando Mistretta 1991-5-22 6299 Riverside e Dorland Mtn (base of Agua Tibia Mtn, w of Kolb Crk); Vail Lake area, Agua Tibia Mtn 548 Comment
  UCR213443  Collinsia concolor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37831 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  RSA0117431  Collinsia concolor D. L. Banks, Steve D. Boyd 1995-5-9 384 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  SBBG93117  Collinsia heterophylla R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  RSA45543  Colubrina californica J. C. Roos 1949-4-10 4231 Riverside 3.5 mi. SE of Desert Center, Chuckwalla Mountains. 610 Comment
  RSA564037  Colubrina californica A. C. Sanders 1992-4-4 12112 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SD241165  Colubrina californica Dave Silverman, Mark Bibbo 2010-3-31 7898 Riverside East flank of southern McCoy Mountains, 2.9 km W of Black Creek Road, 5.8 km NE of McCoy Peak, and 7 km north of I-10 195 Comment
  SEINET3080984 Image available Conium maculatum Unknown 1966-5-16 Riverside Specific location: Camp Evans. At the foot of the western side of Mt. Rubidoux, 100 yards north of Mission Blvd. 213 Comment
  UC1931131  Convolvulus arvensis Scott D. White, Justin Wood 2008-6-17 12162 Riverside San Jacinto Mountains: Garner Valley- Kenworthy Station (USFS) Butterfly Peak. Comment
  UCR2967  Convolvulus arvensis Patricia Gavin 1963-5-4 5-4-63- 3 Riverside Riverside, on Canyon Crest Road, 25 ft. from Monte Vista Road Comment
  RSA388506  Convolvulus simulans Steve Boyd 1986-5-1 1810 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UCR103480  Convolvulus simulans D. E. Bramlet 1993-4-3 2308 Riverside South Cajalco Bend, c. 61m south of Cajalco Road, at location 3.2 km east of intersection of Cajalco Road and La Sierra Ave., c. 152m east of intersection with old Monument Peak access road 439 Comment
  UCR77715  Convolvulus simulans Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6126 Riverside Peninsular Range, Vail Lake area, summit of Oak Mtn, north of lake near Henderson benchmark 823 Comment
  UC1605397  Conyza canadensis Steve Boyd and Darin Banks 1994-9-29 8366 Riverside floodplain e dike along San Jacinto River (w of Sedco Hills community); Lake Elsinore 381 Comment
  UCR216236  Conyza floribunda Mike Bell 2008-4-27 048 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 558 Comment
  RSA761163  Corallorhiza maculata Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 696 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA412309  Cordylanthus rigidus subsp. setiger H. de Forest, Jack Rempel 1933-10-29 18676 Riverside Snow Creek Canyon. 655 Comment
  CAS-BOT-BC287882  Coreopsis californica A. C. Sanders; K. Rose 1995-4-5 16357 Riverside San Bernardino Mts/Coachella Valley: S of Mission Creek and E of Highway 62 700 Comment
  CAS-BOT-BC287078  Coreopsis douglasii F. A. M. 1936-3-20 s.n. Riverside Morongo Valley Comment
  POM259196  Corethrogyne filaginifolia P. A. Munz 1938-8-13 15337 Riverside East of Santa Rosa Peak. 2378 Comment
  UCSB37817  Corethrogyne filaginifolia Roos, John 1965-8-19 Riverside Beaumont Comment
  UCR51857  Coronopus didymus Steve Boyd 1987-5-9 2085 Riverside Riverside, J.V. Boyd Residence, 2307 Oak Crest 366 Comment
  RSA645672  Coryphantha alversonii Scott D. White 1999-4-20 7269 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  JEPS37546  Cotula coronopifolia Marjorie D. Clary 1932-7-3 1230 Riverside 6 mi w of Aguagua 579 Comment
  UCR94496  Cotula coronopifolia Steve Boyd 1982-4-27 s.n. Riverside Peninsular Range, Gavilan Hills, Temescal Canyon(Walker Canyon) between Alberhill Mtn & Gavilan Hills proper, just west of Warm Springs Valley, along I-15 396 Comment
  UCR24176  Crassula aquatica John C. Roos 1937-8-18 2535 Riverside San Jacinto Mtns, Hidden Lake Comment
  CAS-BOT-BC427779  Crassula connata John H. Thomas 1957-3-29 6522 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  UCR20730  Crassula connata A. C. Sanders, Steve Boyd 1980-5-2 1394 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA0116270  Cressa truxillensis Mitch Provance, Ken Halama 2003-6-15 17050 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR182510  Cressa truxillensis Mitch Provance 2005-5-17 6586 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  SD187396  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills, along stream 548 Comment
  SD233275  Croton californicus Duncan S. Bell, Amber Swanson 2011-2-18 2025 Riverside Coachella Valley area: Edom Hill; along Edom Hill Road near dump. 0.6 miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR161013  Croton californicus Mark S. Brunell, M. Okada 1993-5-29 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs area, SW corner of Hwy 111 and Gene Autry Trail 104 Comment
  UCR213541  Croton californicus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37826 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near tower, 1.23 mi. NNW (348 deg. ) of intersection of I-15 and Lake St. 537 Comment
  UCSB36657  Croton californicus Brownell, Kathleen 1980-5-18 Riverside 4 mi. E on Whitewater Canyon Rd. from I-10, San Bernardino Mtn. foothills; 50 ft. from Whitewater River Comment
  SD137960  Crypsis schoenoides Darin L. Banks, Steve Boyd 1995-10-17 806 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground, along the narrow benches where Arroyo Seco turns to the east just west of the Metasedimentary hills 1720 Comment
  UCR65273  Crypsis schoenoides Steve Boyd, Orlando Mistretta 1989-7-18 3764 Riverside Peninsular Range, Vail lake area, conflence of Kolb Creek with lake. 427 Comment
  RSA0089136  Cryptantha Mitch Provance 2003-4-5 403 -01 Riverside Jurupa Mountains, Sunnyslope neighborhood, east side of Sierra Blvd., north of west end of Lauren Ln., SW of Noname Mtn. 755 Comment
  UCR169389  Cryptantha T. B. Salvato, John F. Green 2004-5-27 612 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
  UCR230192  Cryptantha A. C. Sanders 2011-4-6 38992 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA0118007  Cryptantha angustifolia Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7621 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA336130  Cryptantha angustifolia R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52041 Riverside Just E of Palm Desert. Comment
  UCR214697  Cryptantha angustifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37517 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  CAS-BOT-BC177103  Cryptantha barbigera G. K. Helmkamp 1984-5-2 D- 26 Riverside Little San Bernardino Mountains: Big Morongo Canyon, 3 - 3.5 mi below the caretaker's house at the Big Morongo Preserve 610 Comment
  SEINET241490  Cryptantha barbigera A. C. Sanders, Mitch Provance; T. B. Salvato 2001-4-6 23949 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic, N of flood ditc 347 Comment
  SEINET10455558  Cryptantha barbigera David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3722 Riverside Borage. Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA0124822  Cryptantha barbigera var. fergusoniae Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8747 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  UCR41269  Cryptantha barbigera var. fergusoniae B. G. Pitzer 1986-2-9 2 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  UCR182318  Cryptantha corollata Mitch Provance 2003-4-5 6619 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  RSA796026  Cryptantha costata Duncan S. Bell 2009-4-18 243 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  RSA0079341  Cryptantha cycloptera Lyman Benson 1933-3-31 4169 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  SBBG35066  Cryptantha decipiens T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  OBI38928  Cryptantha dumetorum A. C. Sanders, B. Pitzer & D. Charlton, D. Charlton 1986-3-1 6010 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff rd from Hayfield rd to the dirt rd to the Colorado River Aqueduct (T5S, R13E, SW 1/4 sec 30) 427 Comment
  HSC101202  Cryptantha inaequata Jim Andre 2012-3-19 21382 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  RSA450444  Cryptantha intermedia J. C. Roos 1950-4-22 4746 Riverside Pigeon Pass Comment
  RSA499593  Cryptantha intermedia H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  RSA499709  Cryptantha intermedia Ora M. Clark 1929-4-6 1938 Riverside W. San Jacinto Comment
  SBBG28772  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa 700 Comment
  UC1168697  Cryptantha intermedia Peter H. Raven 1958-5-17 12940 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UC217988  Cryptantha intermedia P. A. Munz and I. M. Johnston 1922-5-19 5317 Riverside 3 mi e Murietta 457 Comment
  UCR114821  Cryptantha intermedia Mitch Provance, Seychelle Provance 1998-2-17 91 Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  UCR158498  Cryptantha intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30040 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR80812  Cryptantha intermedia Scott D. White 1993-5-29 1452 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UCR87636  Cryptantha intermedia A. C. Sanders 1994-5-29 14547 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  UCR88308  Cryptantha intermedia A. C. Sanders, K. C. Rose 1995-4-5 16388 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SDSU21016  Cryptantha juniperensis A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of 1-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. (Lake Mathews 7.5'). Sandy benches above wash. 317 Comment
  OBI38912  Cryptantha maritima A. C. Sanders, B. Pitzer & D. Charlton, & Kniffen, D. Charlton, & Kniffen 1986-3-3 6121 Riverside Corn Spring, Chuckwalla Mts, wash below the spring and wash and rocky slopes to the south (T6S, R16E, sec 28-projected) 488 Comment
  RSA499628  Cryptantha maritima Robert Gustafson 1980-4-3 1526 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  UC100916  Cryptantha maritima E. Schellenger 1905-3-10 Riverside Palo Verde Valley Comment
  UCR249503  Cryptantha maritima T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7289 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
  SEINET10456345  Cryptantha maritima David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3738 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UC1063825  Cryptantha micrantha H. S. Yates 1937-3-23 6400 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCSB12462  Cryptantha micrantha Dearing, Hugh; Dearing, Margaret 1942-2-5 Riverside Cathedral City Comment
  RSA164774  Cryptantha micrantha var. lepida Wesley O. Griesel 1962-6-29 718 Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  RSA171377  Cryptantha micrantha var. lepida J. D. Olmsted 1962-5-3 3503 Riverside On Thomas Mt. 1616 Comment
  RSA790340  Cryptantha micrantha var. lepida C. P. Cowan 1978-4-24 1258 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1.9 mi S of 74. Whittaker transect no.W-226(voucher). Comment
  UCR100037  Cryptantha micrantha var. lepida Scott D. White 1994-4-23 2046 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR79234  Cryptantha micromeres Steve Boyd, Orlando Mistretta 1992-4-23 7060 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon 305 Comment
  RSA614473  Cryptantha microstachys D. L. Banks 1997-4-5 1702 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UCR44431  Cryptantha muricata A. C. Sanders, B. Pitzer 1986-4-30 6480 Riverside San Jacinto Mtns, Bee Cyn, along the road [Bee Canyon Truck Trail], 1.1 miles above mouth of canyon at the San Jacinto River Valley 710 Comment
  RSA0018642  Cryptantha muricata C. P. Cowan 1978-4-24 1250 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  SEINET269546  Cryptantha nevadensis John Wear 1995-3-22 Riverside Colorado Desert: Wash along Eagle Mountian Road N of I-10 near Desert Center Comment
  UCR72186  Cryptantha nevadensis Theo Glenn 1992-3-31 92- 5 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  SBBG6270  Cryptantha nevadensis var. nevadensis C. H. Muller 1952-4-6 9501 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  VVC2474  Cryptantha nevadensis var. nevadensis Tim Thomas 2013-3-18 5933 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UCR84844  Cryptantha pterocarya var. pterocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16134 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA0079493  Cryptantha pterocarya var. stenoloba Duncan S. Bell 2009-3-9 113 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  RSA85825  Cupressus forbesii F. W. Peirson 1922-5-28 3058 Riverside Canyon floor in canyon east from Santa Ana River Canyon. at 400 ft. 121 Comment
Read comments
Feb 28 2013
  POM3647  Cuscuta californica I. M. Johnston 1917-6-5 1255 Riverside Hills south of Arlington 366 Comment
  RSA409701  Cuscuta californica I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA0105841  Cuscuta pentagona Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR110418  Cuscuta pentagona A. C. Sanders, Mitch Provance 1999-9-26 23127 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA737220  Cycloloma atriplicifolium Justin M. Wood 2008-9-30 178 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR36468  Cylindropuntia californica var. parkeri A. C. Sanders 1984-4-21 5014 Riverside Moreno Valley, Moreno Badlands, along Gilman Springs Road, 1.5 mi. northwest of Gilman Hot Springs, 4 mi west of Sanderson Avenue/ Lamb Canyon Road 488 Comment
  JOTR35524  Cylindropuntia chuckwallensis Harding, Mitzi, M. Baker and M. Cloud-Hughes 2013-4-12 133 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Canyon, approx. 0.5 km southwest of Cottonwood Spring 966 Comment
  SD164925  Cylindropuntia munzii Marc A. Baker, Tom F. Daniel 1984-3-24 4942 Riverside Above Chuckawalla Well. (IPB 7/07) 609 Comment
  RSA613958  Cyperus difformis A. C. Sanders 1994-7-27 15165 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 246 Comment
  UCR59692  Cyperus erythrorhizos Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3540 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  UC196458  Cyperus odoratus S. B. Parish 1913-9-20 8616 Riverside Mecca Colorado Desert, Mecca 57 Comment
  POM11135  Cystopteris fragilis P. A. Munz 1922-7-6 5988 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA655215  Dactylis glomerata Scott D. White 1999-6-6 7450 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  CDA20776  Dactyloctenium aegyptium M. Lahti 2006-9-18 PDR 1357285 Riverside Island Growers, 43401 Anza Rd., Temecula. In Ivy stock containers.Mostly southern US weed, occasional in California. 0 Comment
  SEINET10811894  Dalea J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12865 Riverside South of Joshua Tree National Park and north of the Salton Sea, on unlabelled east-west road (called 66th Avenue in Mecca) between I-10 and Mecca. Comment
  SEINET12155980  Dalea emoryi L. S. Rose 1936-1 36789 Riverside Palm Springs 139 Comment
  GMDRC9405  Dalea mollis J. M. Andre 2017-3-4 37170 Riverside along west side of US Hwy 95, 21.4 mi. south of Vidal Junction, just north of Big Maria Mountains 123 Comment
  RSA28052  Dalea mollis I. L. Wiggins 1941-3-27 9680 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA498343  Dalea mollis Robert M. Perkins, H. de Forest s.n Riverside N. of Blythe, Along Col. river 85 Comment
  SBBG3313  Dalea mollis H. and M. Dearing 1936-12-25 794 Riverside ca. 10 mi S Indio Comment
  SEINET958515  Dalea mollis Dave Silverman, Cindy Hopkins 2005-1 5755 Riverside NE Riverside County, transition between Ward and Rice Valleys, S of Danby Dry Lake, S. of Highway 62, along Colorado River Aqueduct. 277 Comment
  UC1007185  Dalea mollis Philip A. Munz 1940-3-23 15689 Riverside Gold Crown Mine Mohave Desert, Pinto Mts., Gold Crown Mine 914 Comment
  SEINET3005047  Dalea mollissima G. Rink 2011-4-25 10483 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, desert pavement 118 Comment
  UCR137373  Dalea mollissima June Latting 1978-4-30 s.n. Riverside Sonoran (Colorado) Desert, Red Cloud Mine Road near I-10 427 Comment
  UCR74373  Dalea mollissima Theo Glenn 1991-5-2 91- 17 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  CAS-BOT-BC158109  Dalea schottii W. R. O. 0419 Riverside N.E. side of Indio Hills, between Dillon Rd & Indio Hills (Indio Mounted Patrol) Comment
  UCR167369  Datura discolor 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
  JOTR35005  Datura wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3107 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  RSA770678  Datura wrightii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4755 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCR145967  Datura wrightii June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  RSA263731  Daucus pusillus E. W. Lathrop 1966-5-8 6517 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCD127426  Daucus pusillus T. B. Salvato; Kent Beaman 2005-5-16 772 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 167 Comment
  CAS-BOT-BC299322  Deinandra fasciculata Palmer Stockwell 1935-5-12 1221 Riverside 2.5 mi. N. of Elsinore Comment
  UCSB61511  Deinandra kelloggii Sanders, A. 1993-5-17 Riverside Hemet, S side of Florida Ave. (Hwy. 74) on the E side of California Ave.; (T5S, R2W, NW/4 sec. 13) 460 Comment
  RSA675713  Deinandra mohavensis Scott D. White 2000-10-20 8136 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  SD236199  Deinandra mohavensis Marsia Narog, Mark Parlow 2008-8-13 Riverside Peninsular Range; San Jacinto Mtns.: Poppet Flats, NW of Poppet Flats Road, west intersection of Ellis Dr. and Fox Dr. 1086 Comment
  UC2030087  Deinandra mohavensis Scott D. White 2000-8-5 8100 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  CAS-BOT-BC414252  Deinandra paniculata R. E. Riefner, Jr. 2014-6-1 14 -140 Riverside Northeast of Norco, E of Eastvale, Community of La Sierra, Hidden Valley Wildlife Area, Santa Ana River Trail, ca. 0.6 mi N of Arlington Ave. 205 Comment
  RSA0126963  Deinandra paniculata R. E. Riefner 2017-5-17 17 -255 Riverside City of Lake Elsinore, W of I-15, N side of Nichols Road, about midway between Collier Ave. and Nichols Rd./Pierce St junction. 392 Comment
  SBBG128630  Deinandra paniculata J. George 2011-7-18 Riverside Elsinore Trough, N Lake Elsinore, just W of Nichols Rd and Collier Ave jct , W side of riparian strip 384 Comment
  UC1979620  Deinandra paniculata D. L. Banks, Steve Boyd 1995-10-26 0829 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Alongt he Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. Comment
  UCR274535  Deinandra paniculata Mitch Provance, Ken Halama 2003-6-15 17067 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA336418  Delphinium parishii Robert F. Thorne 1978-4-23 52058 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  UC1018509  Delphinium parishii Jim Warren 1952-4-26 Riverside Snow Creek Comment
  UC667253  Delphinium parishii subsp. parishii Annie M. Alexander and Louise Kellogg 1941-5-11 2148 Riverside 1.5 miles North of Cottonwood Spring 975 Comment
  UCSB1982  Delphinium parishii subsp. parishii Sager, Ginny 1960-4-1 Riverside White Water Canyon Comment
  RSA0029543  Delphinium parishii subsp. subglobosum Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA717581  Delphinium parryi A. C. Sanders 2004-4-9 27463 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  IRVC26833  Delphinium parryi subsp. parryi S. D. White 1997-2-28 4711 Riverside Elsinore Basin, SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy 457 Comment
  RSA0020472  Delphinium parryi subsp. parryi P. A. Munz, Street, Williams 1919-3-28 2369 Riverside San Gorgonio Pass, near Banning 701 Comment
  SDSU800  Dendromecon rigida A. H. Gallup 1948-6-12 197 Riverside San Jacinto Mountain range. 914 Comment
  UCR85536  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  POM178372  Deschampsia danthonioides var. gracilis P. A. Munz 1941-5-18 16645 Riverside About 15 miles northeast of Temecula. Comment
  RSA0120236  Descurainia pinnata subsp. brachycarpa Duncan S. Bell, Thomas Stoughton 2016-4-14 9282 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  UCR201473  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-5 12081 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  CAS-BOT-BC402294  Dicentra chrysantha H. M. Hall 1897-5-14 564 Riverside San Jacinto Mountains. At lower altitudes Comment
  SDSU13538  Dicentra chrysantha W. Miller, C. Mosse 1972-7-19 Riverside 50 feet south of dump on south road. Comment
  IRVC52  Dichelostemma capitatum subsp. capitatum D. DeVault 1965-4-24 HS 0098 Riverside Upper San Juan Creek Camp; Ortega Highway. Santa Ana Mountains Comment
  RSA367527  Dichelostemma capitatum subsp. pauciflorum N. C. Cooper 1944-4-8 1093 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  RSA501033  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3154 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CLARK-A1528-1796  Dicoria canescens John C. Roos 1957-11-30 6659 Riverside Coachella Valley 152 Comment
  SD87727  Dicoria canescens F. W. Peirson 1920-12-29 Riverside 1.5 miles east of Whitewater Comment
Read comments
Aug 21 2007
  UCR38956  Dicoria canescens David J. Keil 1976-12-12 11928 Riverside Sonoran (Colorado) Desert, [Chuckwalla Valley] along Interstate Hwy 10, 37 mi east of Chiriaco Summit Comment
  RSA93923  Dicoria canescens F. W. Peirson 1920-12-29 2333 Riverside 1.5 miles east of Whitewater Station, head of Coachella Valley. Comment
  UCR139986  Digitaria sanguinalis A. C. Sanders 2004-8-10 28763 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
  SDSU13004  Diplachne fusca var. uninervia Michael G. Simpson 1999-10-27 2046 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SD136750  Diplacus aurantiacus Steve Boyd, Tim Ross 1992-5-5 7213 Riverside San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  GMDRC9801  Diplacus bigelovii J. M. Andre 2017-3-1 38010 Riverside Eagle Mountains: south end of range, 2.8 mi. north of Interstate 10 at Hayfield Rd exit 506 Comment
  CAS-BOT-BC150924  Diplacus bigelovii var. bigelovii Ynez Whilton Winblad 1937-3-22 s.n. Riverside Near Mecca Comment
  CAS-BOT-BC150930  Diplacus bigelovii var. bigelovii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC150938  Diplacus bigelovii var. bigelovii Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  RSA0016054  Diplacus bigelovii var. bigelovii Donald A. Johansen, J. A. Ewan 1932-4-11 7093 Riverside Martinez Canyon, Santa Rosa Mountains. 305 Comment
  RSA0019405  Diplacus fremontii Carl B. Wolf 1932-8-6 3996 Riverside 2.9 mi From Idyllwild on the road to Hemet. 1220 Comment
  SEINET4095863  Diplacus longiflorus C. Davidson 1975-1 2803 Riverside Roughly two miles south of Banning on road R1 to Idyllwild; roughly 20 feet from road. 822 Comment
  RSA0018438  Diplacus longiflorus var. calycinus Scott D. White 1995-3-30 2669 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  CAS-BOT-BC150263  Diplacus puniceus Steve Boyd; Aydee Virgen 2004-4-13 10850 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  JEPS3936  Ditaxis claryana Marjorie D. Clary 1933-3-13 Riverside Coral reef Ranch, Coachella Valley Comment
  GMDRC3549  Ditaxis lanceolata J. Andre, T. La Doux 2009-2-25 10806 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  UCR211501  Ditaxis neomexicana Jim Andre, T. La Doux 2008-9-13 10269 Riverside Sonoran (Colorado) Desert, Eagle Mountains at Joshua Tree National Park boundary, along aqueduct access road 355 Comment
  POM14206  Dithyrea californica P. A. Munz, D. D. Keck 1922-4-14 4983 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash 91 Comment
  RSA691086  Dithyrea californica Scott D. White 2001-4-18 8361 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  POM95311  Dithyrea californica Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  CAS-BOT-BC41629  Draba corrugata var. saxosa Carl B. Wolf 1932-8-5 3979 Riverside San Jacinto Mountains. Summit of San Jacinto Peak. 3293 Comment
  UC10472  Draba corrugata var. saxosa H. M. Hall July, 1901 2413 Riverside near the summit San Jacinto Mountains San Jacinto Mountains 3291 Comment
  POM492  Draba cuneifolia var. integrifolia H. M. Hall 1903-04 3804 Riverside Vicinity of Riverside 610 Comment
  POM366541  Drymocallis glandulosa var. viscida H. E. Hasse 1894-7-4 s.n. Riverside [Unspecified] Comment
  UC454989  Drymocallis glandulosa var. viscida I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2590 Comment
  IRVC138  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-6-6 SJ 249 Riverside San Jacinto Mountains; Indian Creek. Peninsular Ranges 640 Comment
  UCR240657  Dryopteris arguta Tracy Tennant, Mitch Provance 1998-6-16 MOR- 428 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  POM17776  Dudleya edulis P. A. Munz 1923-6-18 7130 Riverside Temecula Canyon. Comment
  CHSC101725  Dudleya lanceolata Scott D. White; Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 B 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. 1524 Comment
  RSA388326  Dudleya multicaulis Steve Boyd 1986-5-7 1838 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  OBI32761  Dudleya saxosa Wendy Smith 1981-1 Riverside Comment
  UCR16119  Dudleya saxosa B. A. Carlson 1978-4-30 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 396 Comment
  CAS-BOT-BC109613  Dudleya saxosa subsp. aloides D. A. Johansen; J. A. Ewan 1932-4-10 7062 Riverside Warners Ranch at Whitewater Western Colorado Desert. Comment
  JEPS49889  Dudleya saxosa subsp. aloides W. L. Jepson 1914-5-18 6011 Riverside n Indio (Lookout Mtn near Pinon Well); Colorado Desert Comment
  UCR280930  Dysphania pumilio Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 33 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  POM301794  Dyssodia cooperi J. Cole 1942-05 s.n. Riverside Ruby Lee Mine, NE Joshua Tree National Monument Comment
Read comments
Nov 13 2011
  SEINET10447308  Echinocereus engelmannii A. Evans 1976-4-13 Evans 5172 Riverside Rocky slopes of santa rosa mtns. Comment
  UCR2347  Echinochloa colona F. M. Reed 1907-9-9 1907 Riverside South Coast; San Bernardino Valley, Riverside, Little Arroyo on Bluffs Ranch [Chicago Ave. between Tequesquite Arroyo and Pennsylvania Ave.] 293 Comment
  RSA0036471  Ehrendorferia chrysantha J. M. Andre 2012-6-15 30500 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  UC1147888  Elatine californica Robert F. Thorne, E. Lathrop, and P. Munz 1968-5-8 37560 Riverside Mesa de Colorado Santa Rosa Plateau (Rancho California) 670 Comment
  RSA0108752  Elatine chilensis R. F. Thorne, E. W. Lathrop 1969-5-19 37968 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  UCR272460  Eleocharis geniculata Mitch Provance 2012-8-1 712- 04 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  SD133249  Eleocharis macrostachya A. C. Sanders, E. Rey, et al 1991-4-19 10925 Riverside Edgemont area; east of Sycamore Canyon; 0.8 miles west of Highway I-215 on East Ridge Dive (=Eucalyptus); just west of Pepsi Plant; gently rolling plain. 466 Comment
  UC1809  Eleocharis macrostachya H. M. Hall 1901-7 2489 Riverside Lake Surprise San Jacinto Mountains 2499 Comment
  CDA20777  Eleusine indica M. Lahti 2006-9-18 PDR 1357285 B Riverside Island Growers, Anza Rd., Temecula. In Ivy stock containers. Widespread weed in nursery, but not particularly common. 0 Comment
  UCR133331  Elymus condensatus John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR19371  Elymus condensatus John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  SD181764  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes 640 Comment
  UCR133392  Elymus glaucus Tracy Tennant, T. B. Salvato 1998-6-23 481 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  SEINET4135635  Elymus multisetus Steve Boyd, Tim Ross 1992-5-15 7387 Riverside Southern Santa Ana Mountains, southeastern flank of Elsinore Peak at 'Onion Hill', a grassy knoll of clay soil about 1/4 miles SE of radio towers, along old Main Divide Road tracks.; 0 1021 Comment
  RSA674940  Elymus trachycaulus Scott D. White, Bill La Haye 2000-5-27 7947 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCD62705  Elymus trachycaulus F. M. Reed 1928-7-10 5983 Riverside Camp Emerson, Idyllwild. 1524 Comment
  UCR2372  Elymus triticoides F. M. Reed 1907-6-23 1445 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  RSA221007  Emmenanthe penduliflora E. W. Lathrop 1966-3-23 6081 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  SEINET156521  Emmenanthe penduliflora Norman C. Cooper 1944-5-21 1269 Riverside San Jacinto Mtns. West side. 1067 Comment
  SEINET270931  Emmenanthe penduliflora Richard J. Shaw 1958-5-10 1108 Riverside Juniper Flat approximately 7 miles from Palm Desert. 1219 Comment
  UCR103920  Emmenanthe penduliflora B. G. Pitzer 1997-4-11 3116 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR213538  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37808 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR87618  Emmenanthe penduliflora A. C. Sanders 1994-5-30 14619 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCSC000885  Emmenanthe penduliflora Peter Kamb 1948-4-11 875 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Coachella Valley 305 Comment
  SD224838  Encelia actoni Scott D. White, Steve Myers 1995-10-21 3725 Riverside Eastern foothills of San Jacinto Valley, Santa Rosa Hills, S of Hemet; foothills just above orange grove 609 Comment
  UCR135729  Encelia actoni Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9006 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCR172257  Encelia californica John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCSB12291  Encelia californica Tarwater, Shirley 1961-3-30 Riverside 5 miles from Highway 71, on Lake Matthews Rd. 152 Comment
  RSA678359  Encelia farinosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10494 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SDSU3827  Encelia farinosa S. J. Barnhart 1966-4-17 660417 -16 Riverside South-west facing slope of small hill 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Untility Road (dirt), which is 1.5. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UC495309  Encelia farinosa Philip A. Munz 1932-3-14 11983 Riverside Deep Canyon, Coachella Valley 152 Comment
  UCR120566  Encelia farinosa Helen Kennedy, T. B. Salvato 2002-2-2 5452 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  RSA615337  Encelia farinosa var. farinosa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2695 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  CAS-BOT-BC131424  Encelia frutescens Frank W. Peirson 1922-4-12 s.n. Riverside 30 miles south of Coachella Comment
  UCR227432  Encelia frutescens Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-5-25 217 Riverside Mojave Desert; East Mojave Desert, Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62 420 Comment
  UCR262466  Enchylaena tomentosa A. C. Sanders 2015-6-27 41744 Riverside Peninsular Range, Riverside; former O.F. Clarke residence, 266 Frost Court; east edge of UCR campus Comment
  RSA383861  Ephedra aspera N. R. Zabriskie 1969-1-4 177 Riverside Andreas Canyon near Palm Springs. Comment
  SD260138  Ephedra aspera A. C. Sanders, Chika Mori 2011-6-14 39661 Riverside Peninsular Range; Santa Rosa Mountains: Hwy 74 near Agave Hill 0.3 km SW (249a^z) ov VABM Lucky, 1.6 km NE (37a^z) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs. (Rancho Mirage 7.5'Q) 801 Comment
  POM293443  Ephedra californica Lyman Benson 1954-5-2 15280 Riverside Morongo Pass (south end of Morongo Valley). 915 Comment
  SDSU3630  Ephedra nevadensis A. H. Gallup 1949-3-28 359 Riverside South slope, Palms to Pines Hwy. above Desert Center, San Jacinto Mt. Range 762 Comment
  UC56666  Ephedra nevadensis H. M. Hall 1901-5-1 1881 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); Colorado Desert, San Jacinto Mountains Comment
  CAS-BOT-BC81875  Ephedra trifurca Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13265 Riverside NW edge of sand dunes, 2.1 mi. S of Rice, on road to Midland and Blythe Comment
  RSA0019797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-5-14 68 -A Riverside Blythe-Rice Rd, at the valley bottom approx 2 mi S of Hwy 62 (S of RR tracks) 243 Comment
  RSA3984  Ephedra trifurca C. B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  SEINET10532277  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6477 Riverside Rice Valley, 3 mi SSW of Rice. Common among sand dunes. 244 Comment
  NY70797  Ephedra viridis R. F. Thorne 1967-3-21 41639 Riverside Joshua Tree National Monument: Cottonwood Springs 914.4 Comment
Read comments
Oct 9 2010
  CAS-BOT-BC165934  Epilobium campestre A. C. Sanders; T. B. Salvato 2001-5-25 24376 Riverside San Jacinto Valley: west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR3374  Epilobium canum subsp. canum John Minnich 1964-2-27 64-2-27- 01 Riverside Box Springs Mtns., Stone Face Canyon, 0.25 mi. past end of Two Trees Road and 1/2 mi. up side canyon above reservoir Comment
  POM123232  Epilobium canum subsp. latifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA736740  Epilobium canum subsp. latifolium Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10678 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA656550  Epilobium pygmaeum A. C. Sanders 2000-5-25 23418 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  CLARK-A1528-24  Equisetum arvense Ruth Cooper 1952-9-12 635 f Riverside Riverside Comment
  RSA125550  Equisetum hyemale var. affine R. Weatherby 1949-5-14 439 Riverside Dripping Springs. 457 Comment
  RSA639636  Equisetum telmateia var. braunii E. Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mtns. Canyon near Murietta. Comment
  CDA2087  Eragrostis cilianensis Steve Boyd 1989-7-9 3770 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  UCR201870  Eragrostis cilianensis Justin M. Wood 2008-9-30 181 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR205985  Eragrostis mexicana 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
  POM46749  Eremalche exilis Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UCR139383  Eremalche exilis I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  SFV7917  Eremalche rotundifolia T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1280 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UCR112749  Eremalche rotundifolia A. C. Sanders, T. B. Salvato 2000-4-21 23347 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  CAS-BOT-BC168359  Eremogone ferrisiae Reid Moran 1968-8-3 15366 Riverside North slope 1 mile west of summit, Santa Rosa Mtn. 2150 Comment
  SD125993  Eremothera refracta A. C. Sanders 1988-5-11 7798 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella canal in a wash east of the gasline road from Niland. 548 Comment
  SD187443  Eremothera refracta Naomi Fraga, Lisa Rojas 2005-2-10 1351 Riverside Northeastern Colorado Desert region, just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  SBBG55252  Eriastrum densifolium T. Criswell 1977-5-1 48 Riverside E side of Hwy 74 about 13 mi S of its jct with Hwy 111 304 Comment
  CAS-BOT-BC514317  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2935 Riverside Mt. San Jacinto on road to Hemet 1371 Comment
  RSA0108902  Eriastrum densifolium subsp. austromontanum Robert Kessler 1920-1 17054 Riverside San Jacinto Mts. Comment
  RSA0110544  Eriastrum densifolium subsp. austromontanum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  UC1787348  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 137 Riverside San Jacinto Mountains: Thomas Mountain Road, 1.5 km west of Thomas Mountain Campground, both sides of road 1938 Comment
  JEPS69026  Eriastrum diffusum subsp. coachellae E. E. Schellenger April 1920 Riverside Coachella Colorado Desert. Comment
  UCR229122  Eriastrum eremicum A. C. Sanders, Chika Mori 2011-6-15 39666 Riverside Sonoran (Colorado) Desert, NW Coachella Valley, Worsley Rd. 0.1 mile above North Indian Dr., at mouth of Dry Morongo Canyon, just east of Hwy 62 534 Comment
  JOTR29245  Eriastrum eremicum subsp. eremicum La Doux, Tasha 2005-8-17 1526 Riverside Joshua Tree National Park. Queen Valley, at intersection of Park Blvd. and O'Dell Rd. 1338 Comment
  RSA0118054  Eriastrum eremicum subsp. eremicum Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7800 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  UC88210  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5956 Riverside Pinto Basin Comment
  CAS-BOT-BC514451  Eriastrum eremicum subsp. eremicum H. M. Hall 1901-6-1 2119 Riverside San Jacinto Mountains: eastern base, along the borders of the Colorado Desert Comment
  RSA0122011  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3533 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR9567  Ericameria cuneata O. F. Clarke 1968-9-28 s.n. Riverside Santa Rosa Mtns, Toro Peak 2652 Comment
  CAS-BOT-BC298878  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  UC218156  Ericameria nauseosa var. bernardina P. A. Munz 1922-9-7 6404 Riverside San Jacinto Mts., Tamarack Valley 2865 Comment
  UC322978 Image available Ericameria palmeri var. pachylepis David D. Keck 1926-9-30 262 Riverside e of Riverside; Summit of Box Springs Grade; Box Springs Grade E of Riverside, Riverside Co. Comment
  UC894833  Ericameria paniculata Lewis S. Rose 1938-12-20 38330 Riverside 3 mi se Palm Springs Station; Whitewater Wash 274 Comment
  UCR140875  Ericameria parishii Chris E. True, Laurel Salzman 2004-8-20 s.n. Riverside San Jacinto Mtns., c. 1 km south of Twin Pines Ranch on USFS Rd 3S08, between Azalea and Twin Pines Creeks 1157 Comment
  CAS-BOT-BC296795  Erigeron divergens H. M. Hall 1905-4-27 5881 Riverside Chuckawalla Bench, Colorado Desert Comment
  RSA6033  Erigeron foliosus C. B. Wolf 1932-8-4 3918 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  JEPS41514  Erigeron foliosus var. foliosus W. L. Jepson 1901-5-24 1419 Riverside Van Deventer's Ranch Santa Rosa Mts. 1493 Comment
  UC1483923  Erigeron foliosus var. foliosus C. W. Tilforth and John Dourley 1980-7-15 2067 Riverside 0.1 mi in from Hiway 74 (on north leg of Thomas Mt. Rd., South of Lake Hemet & west of Hiway 74) Comment
  UC63039  Erigeron foliosus var. foliosus H. M. Hall 1901-6-1 2147 Riverside e base, along the borders of Colorado Desert; Southern California, San Jacinto Mountains, Colorado Desert Comment
  SD232604  Erigeron strigosus Steve Morgan 1994-3-25 94 1 Riverside Riverside. In a cultivated area in the UCR Botanic Garden. Comment
  UCR18241  Eriochloa contracta Bill Isom 1976-1 s.n. Riverside Sonoran (Colorado) Desert, Palo Verde Valley, south of Blythe, South Lovekin Blvd. 76 Comment
  LA205567  Eriodictyon crassifolium Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  POM3890  Eriodictyon crassifolium I. M. Johnston 1917-4-4 1072 Riverside Palm Canyon 229 Comment
  SD4124  Eriodictyon crassifolium Fidella G. Woodcock 1926-3-15 Riverside Palm Springs (mak 7/07) Comment
  UC73690  Eriodictyon crassifolium var. crassifolium Miss M. A. King 1893-1 Riverside Menifee Comment
  VVC255  Eriodictyon crassifolium var. nigrescens P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  UCR241195  Eriodictyon trichocalyx Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 529 B Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  JOTR16711  Eriodictyon trichocalyx var. trichocalyx Hogan, J. 1974-6-24 77 Riverside Joshua Tree National Park. 1.5 MILES WEST OF EUREKA PEAK 1554 Comment
  CLARK-A1528-3617  Eriogonum apiculatum John C. Roos 1946-8-27 2925 Riverside Santa Rosa Mountains 2194 Comment
  SBBG61842  Eriogonum apiculatum R. Hoffmann 1929-9-7 Riverside Fuller's Mill Comment
  SBBG61844  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside trail to Tahquitz Pk 2438 Comment
  CAS-BOT-BC242797  Eriogonum davidsonii P. A. Munz; E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  RSA766419  Eriogonum davidsonii Joseph A. Ewan 1928-8-28 1517 Riverside Strawberry Valley. San Jacinto Mtns. 1616 Comment
  UCR26621  Eriogonum davidsonii E. W. Lathrop 1966-5-29 6392 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  RSA0043030  Eriogonum deflexum var. deflexum Duncan S. Bell, Loraine Washburn 2014-4-8 6574 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern/central section of range; approximately 2.25 air miles north of Clemens Well and Bradshaw Trail. 495 Comment
  POM202624  Eriogonum elongatum Marcus E. Jones 1933-10-29 s.n. Riverside Palm Springs. Comment
  RSA191436  Eriogonum elongatum E. W. Lathrop, Robert F. Thorne 1967-9-26 6655 Riverside 4 mi. NW of Murietta, 1 mi. W of Santa Rosa Ranch. Comment
  SEINET10766366  Eriogonum fasciculatum Donald A. Johansen, Joseph A. Ewan 1932-4-11 Johansen 7087 Riverside On rocky terrace Martinez Canyon, Santa Rosa Mts. 366 Comment
  UCR137035  Eriogonum fasciculatum subsp. polifolium A. C. Sanders 2004-5-5 27780 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA393430  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-7-15 1576 Riverside Banning. 701 Comment
  RSA296187  Eriogonum fasciculatum var. polifolium Barry A. Prigge 1980-8-5 3825 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  RSA393343  Eriogonum fasciculatum var. polifolium H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  UC1463086  Eriogonum fasciculatum var. polifolium Arthur S. Barclay and Juan Arguelles 1965-3-22 1870 Riverside 10 mi se, along State Highway 74 State Highway 111 914 Comment
  UCR20711  Eriogonum fasciculatum var. polifolium A. C. Sanders, Steve Boyd 1980-5-2 1448 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CLARK-A1528-3649  Eriogonum gracile Robin Kobaly 1977-8-26 Riverside Comment
  SBBG28192  Eriogonum gracile I. W. Clokey 1935-8-21 6593 Riverside Hemet Lake 1300 Comment
  UCR177631  Eriogonum gracile John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., near Reed Valley on powerline trail west of Juan Diego Flats, NW of Cahuilla Mountain 1067 Comment
  UCR51856  Eriogonum gracile Steve Boyd 1987-9-27 2029 Riverside Peninsular Range, Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek 366 Comment
  RSA0095206  Eriogonum gracile var. gracile Duncan S. Bell, Sarah DeGroot, Mark Porter 2015-10-19 8716 Riverside Whitewater Canyon, near junction of the Pacific Crest Trail and the trail down to the ranger station. 700 Comment
  RSA289829  Eriogonum gracile var. incultum Barry A. Prigge 1980-8-25 4021 Riverside San Gorgonio Pass: 1 mi. SE of Fingal siding, S Pacific RR. 445 Comment
  CAS-BOT-BC257577  Eriogonum inflatum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  UC68577  Eriogonum inflatum var. inflatum H. M. Hall Apr 1905 5908 Riverside Chuckwalla Springs Colorado Desert, Chuckwalla Springs Comment
  RSA783167  Eriogonum lobbii J. D. Olmsted 1959-7-1 790 Riverside 0.5 mi. below Deer Springs on Deer Springs trail north of Idyllwild, N Fk. San Jacinto River drainage, west-southwest slope 2500 Comment
  UC849229  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 mi ne along 29 Palms Road Cottonwood Springs; Joshua Tree National Monument Comment
  CAS-BOT-BC270595  Eriogonum molestum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  POM19835  Eriogonum molestum Mary F. Spencer 1923-8-5 s.n. Riverside Idyllwild 2134 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
  RSA761986  Eriogonum nudum var. pauciflorum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 728 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JOTR33737  Eriogonum pusillum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2736 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  UC1929883  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. Open wash & alluvial benches. Comment
  CAS-BOT-BC253021  Eriogonum reniforme Geo. B. Grant 1906-4-20 6751 Riverside Palm Springs, Colorado Desert Comment
  POM122132  Eriogonum reniforme Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  SBBG1613  Eriogonum reniforme H. and M. Dearing 1937-4-10 Riverside 16 mi N of Indio Comment
  CAS-BOT-BC268557  Eriogonum saxatile A. J. McClatchie 1893-6-28 147 Riverside Near Pasadena 1371 Comment
  CAS-BOT-BC263513  Eriogonum thomasii L. R. Abrams 1926-3-26 11112 Riverside Between Edon and Garnet east of San Gorgonio Pass Comment
  JOTR37422  Eriogonum thomasii La Doux, Tasha 2016-3-9 3658 Riverside Above Hayfield Dry Lake - Stop 1 509 Comment
  RSA424960  Eriogonum thomasii M. B. Dunkle 1933-3-4 3034 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA776626  Eriogonum thomasii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 940 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  RSA784940  Eriogonum thomasii Duncan S. Bell 2012-2-12 3118 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG81485  Eriogonum thomasii S. A. Junak 1983-3-23 1622 a Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UC1349283  Eriogonum thomasii James Henrickson 1963-3-29 1174 Riverside along Hwy. 195 5 mi e Mecca 152 Comment
  UC666503  Eriogonum thomasii Annie M. Alexander and Louise Kellogg 1941-5-28 2260 Riverside Metropolitan Aqueduct road e Hayfield Comment
  UCR167236  Eriogonum thomasii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  CAS-BOT-BC262880  Eriogonum thurberi Ivan Johnston 1917-4-4 1085 Riverside Colorado Desert. Near Palm Springs 152 Comment
  UCR139377  Eriogonum thurberi I. M. Johnston 1917-4-4 s.n. Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  CAS-BOT-BC263589  Eriogonum trichopes Roxana S. Ferris 1918-6-14 972 Riverside Near Indian Wells Comment
  UC219150  Eriogonum trichopes P. A. Munz, R. D. Harwood 1920-4-4 3528 Riverside pass s Palm Springs 152 Comment
  UCR111991  Eriogonum trichopes A. C. Sanders, T. B. Salvato 2000-4-27 23372 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UCR244302  Eriogonum trichopes Jim Andre 2012-4-15 20857 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR215578  Eriogonum wrightii var. nodosum Tasha La Doux, Jim Andre 2008-9-16 340 Riverside Mojave Desert, Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  RSA182342  Eriophyllum ambiguum var. paleaceum J. D. Olmsted 1962-5-1 3432 Riverside W slope below Falls Plateau, Snow Canyon N of Mt. San Jacinto. 793 Comment
  POM357992  Eriophyllum confertiflorum M. V. Hood 1945-3-25 s.n. Riverside Aguanga, San Diego County. [Riverside County] 595 Comment
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Jan 22 2009
  RSA33589  Eriophyllum confertiflorum Norman C. Cooper 1944-5-20 1225 Riverside Above Pine Flats, San Jacinto Mts 1372 Comment
  SEINET13709794  Eriophyllum confertiflorum S. C. Anderson, S. C. Anderson 1957-1 Riverside W Slope Mt Rubidoux Comment
  SEINET7048189  Eriophyllum confertiflorum Steven R. Hill, Andrew C. Sanders 2001-5-4 33698 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  SDSU13541  Eriophyllum confertiflorum var. confertiflorum W. Miller, C. Mosse 1972-7-5 Riverside Comment
  RSA535084  Eriophyllum multicaule Steve Boyd 1991-5-20 6279 Riverside Santa Ana Mtns, NW of Lake Elsinore. Lower Rice Canyon, 0.9 miles E of Cleveland National for boundary. 500 Comment
  RSA716425  Eriophyllum multicaule Scott D. White 2006-4-27 11311 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR92348  Eriophyllum multicaule Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  CAS-BOT-BC296971  Eriophyllum wallacei Ira L. Wiggins 1941-3-27 9695 A Riverside Slopes 4 miles north of Whitewater Comment
  JEPS5421  Eriophyllum wallacei W. L. Jepson and H. M. Hall 1901-5-19 1272 a Riverside upper end San Jacinto River Comment
  SDSU4119  Eriophyllum wallacei T. Bruhns 1965-5-23 130 Riverside At 2,000 ft., sign along state highway 74, below Idyllwild. 610 Comment
  UCR100175  Erodium brachycarpum Scott D. White 1993-3-3 1987 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR224993  Erodium cicutarium Dave Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 320 m S of East Westward Ave. 628 Comment
  RSA650067  Erodium cicutarium David B. Dunn 1948-3-14 3778 Riverside collected in Whitewater, just West of station. Comment
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Jan 14 2010
  UCR113636  Eryngium aristulatum var. parishii June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  UC1034736  Erysimum capitatum G. B. Rossbach 1955-4-22 584 Riverside Juniper Flat Little San Bernardino Mountains (n side of mts) 1432 Comment
  RSA0020245  Erythranthe floribunda P. A. Munz 1937-5-30 15095 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  RSA0019319  Erythranthe guttata Mary F. Spencer 1921-6-22 1671 Riverside Idyllwild. Comment
  RSA0014877  Erythranthe primuloides P. A. Munz 1922-7-6 5983 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  UCD96517  Eschscholzia androuxii Shannon M. Still; Robert Lee 2009-3-3 457 Riverside California. Riverside County: Joshua Tree National Park. 677 Comment
  RSA522752  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3859 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
  UCR174083  Eschscholzia californica A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32544 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  JOTR37714  Eschscholzia minutiflora Hodges, Stephen R. 2016-3-1 639 Riverside Joshua Tree National Park. Eagle Mountains, Along road leading to Pinto Wells north of park boundary. Comment
  LA85614  Eschscholzia minutiflora Elizabeth McClintock; 1946-4-14 sn Riverside at foot of Pines to Palms Highway, to S of road near the two bridges Comment
  RSA795736  Eschscholzia minutiflora Jim Andre 2012-3-18 21287 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  UC575035  Eschscholzia minutiflora C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  CAS-BOT-BC419627  Eschscholzia parishii Annie M. Alexander; Louise Kellogg 1941-5-14 2169 Riverside Colorado Desert. 5 miles south of Cottonwood Spring, Eagle Mountains Comment
  GMDRC3744  Eschscholzia parishii J. Andre, T. La Doux 2009-3-1 11234 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  OBI39874  Eschscholzia parishii M. Rosczyk & G. Helmkamp, G. Helmkamp 1985-4-4 247 Riverside Big Morongo Preserve. W edge of the main cyn just above the BLM gate. S of Morongo valley 533 Comment
  RSA703477  Eschscholzia parishii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1421 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SEINET249789  Eschscholzia parishii Aven, Ruth Nelson 1939-3-29 3320 Riverside Hidden Springs Canyon. 610 Comment
  UCR51967  Eschscholzia parishii Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2176 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA718872  Eschscholzia parishii Michael Honer, L. Hulse 2005-3-7 2033 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  UCR137714  Eucalyptus camaldulensis D. L. Banks 1997-3-29 1559 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
  UCR199790  Eucalyptus tereticornis Scott D. White, Justin M. Wood 2008-6-24 12282 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  RSA612503  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks 1997-2-17 1270 Riverside NW Palomar Mountains, Agua Tibia Mountains: Burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  SEINET7073346  Eucrypta chrysanthemifolia var. chrysanthemifolia 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
  UC702031  Eucrypta chrysanthemifolia var. chrysanthemifolia Frank W. Gould 1943-4-17 2114 Riverside 12 mi s Corona (on Elsinore road) Comment
  UCR892  Eucrypta chrysanthemifolia var. chrysanthemifolia D. C. Wald 1967-5-13 s.n. Riverside Perris-Aguanga Basin region, Bernasconi Hills near Lakeview, on slope opposite Big Rock 503 Comment
  UCR35142  Euonymus occidentalis var. parishii L. B. Ziegler 1978-6-21 592 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  CAS-BOT-BC202528  Euphorbia John H. Thomas 1957-3-30 6536 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highways 60 and 70. Colorado Desert 518 Comment
  RSA709800  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City. 470 Comment
  RSA0042921  Euphorbia jaegeri Duncan S. Bell, Evan Meyer 2014-4-2 6494 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR90830  Euphorbia nutans A. C. Sanders, G. K. Helmkamp 1996-3-17 17976 Riverside Coachella Valley, North Palm Springs (Garnet) I-10 at Indian Ave., north of Garnet Ave. 244 Comment
  SEINET3089526 Image available Euphorbia palmeri Heather Hanson 1966-5-12 Riverside Idyllwild, Road from Idyllwild to Banning. In Idyllwild, across the street from San Jacinto Wilderness State Park Comment
  UCR167267  Euphorbia polycarpa 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
  UCR51361  Euphorbia polycarpa S. J. Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake 488 Comment
  RSA391196  Fagonia laevis Robert Gustafson 1981-4-7 2157 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 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
  JOTR31946  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2184 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  UCR99208  Fatoua villosa Steve Morgan 1990-11-30 s.n. Riverside Riverside, UCR Botanical Garden 366 Comment
  JEPS66846  Ferocactus cylindraceus S. B. and W. F. Parish April, 1882 Riverside Whitewater; borders of the Colorado Desert, Whitewater Comment
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Jul 15 2009
  UCR86327  Ferocactus cylindraceus A. C. Sanders 1995-5-23 17118 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
  SBBG103914  Festuca microstachys var. microstachys S. D. White 1993-4-20 1216 a Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  UCR2410  Festuca myuros F. M. Reed 1906-3-7 897 Riverside Riverside. Hydrant [at] corner of Streight (?) and Hooker Ranches, Victoria Heights Comment
  UCR177648  Festuca octoflora S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail on slope above Juan Diego Flats, toward Reed Valley, NW of Cahuilla Mountain 1250 Comment
  UCR22152  Festuca octoflora Steve Boyd 1980-5-11 226 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
  UCR213855  Ficus carica Scott D. White, Justin M. Wood 2009-5-22 12924 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  CLARK-A1045-143  Filago arizonica George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert 15'Q Comment
  RSA387351  Filago californica Steve Boyd 1986-4-19 1695 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA543588  Filago californica Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6140 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA594044  Filago californica D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0927 C Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR116825  Filago californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23926 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR156089  Filago californica T. B. Salvato, Kent Beaman 2005-5-16 797 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
  UCR30565  Filago californica John C. Roos 1950-5-6 4786 Riverside Peninsular Range; Santa Ana Mtns., Head of Hagador Canyon, south of Corona 1037 Comment
  UCR98697  Filago californica 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
  POM9583  Filago californica I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  RSA464881  Forestiera pubescens Bonnie C. Templeton 1930-4-15 1476 Riverside Near Gavilan Peak. 500 Comment
  UCR207619  Forestiera pubescens O. F. Clarke 2005-10-15 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  SDSU7249  Frankenia salina unknown 1934-6-6 Riverside East side of Lake Elsinore. Comment
  UCR135852  Frankenia salina A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27896 Riverside Peninsular Range, Temescal Creek in Walker Canyon, at foot of Alberhill Mountain 378 Comment
  UCR235057  Frankenia salina A. C. Sanders, John F. Green 2012-5-27 40203 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA160521  Fraxinus dipetala J. D. Olmsted 1959-4-23 468 Riverside Spring Trail at Beacon Pines Ranch, 9 miles SW of Corona; Santa Ana Mts. Drainage area: Santa Ana river. 793 Comment
  RSA717477  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11133 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  CLARK-A1703-81  Fritillaria biflora Sue Damon 1981-4-16 7 Riverside Gavilan Hills Comment
  UCR23170  Fritillaria biflora C. Filmer 1981-4-12 81- 18 Riverside Gavilan Hills, c. 25 m north of the S entrance to Harford Springs Co. Park. 579 Comment
  RSA458597  Funastrum hirtellum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR232391  Funastrum utahense Dave Silverman 2010-3-30 7886 B Riverside Sonoran (Colorado) Desert, East bajada flank of southern McCoy Mtns, 1 km west of Black Creek Rd, 7.8 km east of McCoy Peak, and 4.8 km N of I-10 165 Comment
  SDSU9291  Galium angustifolium Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  UCR133113  Galium angustifolium 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
  RSA202686  Galium angustifolium subsp. angustifolium L. T. Dempster, G. Ledyard Stebbins 1966-6-19 4276 Riverside Above Mountain Home Spring, 1.8 miles on road to Santa Rosa Mountain. Comment
  UC888704  Galium angustifolium subsp. angustifolium C. L. Hitchcock 1940-4-12 6039 Riverside 8 mi nw Elsinore 457 Comment
  CAS-BOT-BC223052  Galium angustifolium subsp. gracillimum H. K. Wagnon 1944-5-25 401 Riverside Along Tahquitz Creek, alluvial fan of Tahquitz Canon [Canyon], Palm Springs Comment
  JOTR29304  Galium angustifolium subsp. gracillimum La Doux, Tasha, Mike Bell 2006-5-17 1381 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UC1929480  Galium angustifolium subsp. jacinticum Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Peninsular Ranges; San Jacinto Mountains region; Slope above junction of Dark Canyon and Fuller Mill Creek. Comment
  SEINET3157822  Galium angustifolium var. pinetorum C. Epling, W. Robinson 1935-6-30 sn Riverside Between Pine Flat Camp and Tullers Mill, Mt. San Jacinto Comment
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Sep 23 2013
  RSA613657  Galium aparine D. L. Banks, Victor W. Steinmann 1997-3-13 1463 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
  RSA702386  Galium aparine Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1282 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  UCR107410  Galium aparine B. G. Pitzer 1997-3-23 2967 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  JOTR34214  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3006 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  JOTR34281  Galium munzii La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3296 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  RSA586045  Galium nuttallii D. L. Banks, Steve D. Boyd 1995-3-15 77 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area N face of Agua Tibia Mtn., Dorland Mtn. area. 806 Comment
  JEPS9653  Galium parishii P. A. Munz 1922-7-6 6022 Riverside near Hidden Lake; San Jacinto Mts. 2560 Comment
  RSA559447  Galium porrigens Steve D. Boyd, Tim S. Ross 1992-5-5 7221 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  JEPS52942  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4242 Riverside 1 mi n Vista Grande Ranger Station (along hwy from Idyllwild to Banning); San Jacinto Mts. 1402 Comment
  JOTR16841  Galium stellatum var. eremicum Vanderspek & Youse 1976-2-7 4 /19/1964 Riverside Joshua Tree National Park. WILSON CANYON Comment
  CLARK-A1528-2936  Garrya flavescens John C. Roos 1947-3-15 3336 Riverside San Jacinto Mountains 1066 Comment
  SBBG5336  Garrya flavescens H. and M. Dearing 1937-11-27 Riverside Santa Rosa Mtn Comment
  POM261679  Garrya flavescens var. pallida W. Pequegnat 1941-1-11 s.n. Riverside Indian Truck Trail, Santa Ana Mts. 976 Comment
  RSA179500  Gastridium phleoides E. W. Lathrop 1960-6-7 4898 Riverside 14 miles west of Murrieta Comment
  UCR2432  Gastridium ventricosum F. M. Reed 1907-5-29 1361 Riverside Riverside, along Box Springs Blvd. above Gage Canal Comment
  RSA0112043  Gaura A. C. Sanders, John F. Green 2012-5-27 40205 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA797255  Gayophytum Robert F. Thorne, Walter Wisura 1977-9-17 50793 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  POM355383  Gayophytum diffusum subsp. parviflorum E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SBBG61255  Gayophytum racemosum R. Hoffmann 1929-9-5 Riverside Tahquitz Ridge Comment
  RSA577514  Gazania linearis D. L. Banks, S. D. Boyd 1995-2-16 0043 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, along the Woodchuck Trail. 627 Comment
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Feb 20 2020
  CAS-BOT-BC303566  Geraea canescens K. Larson 1977-5-12 60062 B Riverside Wiley Wells Rd ca 20 miles W of Blythe Comment
  RSA0026166  Geraea canescens Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17716 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  RSA726517  Geraea canescens Naomi Fraga, Lisa Rojas 2005-2-10 1405 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UC577422  Geraea canescens J. and H. W. Grinnell 1937-11-30 1085 a Riverside 24 mi w Blythe; Bed of Ford Dry Lake Comment
  RSA0036275  Geraea canescens M. B. Dunkle 1933-3-4 3058 Riverside Painted Canyon. Colorado Desert. 30 Comment
  SEINET10726155  Geraea canescens Billy Joe Cox 1975-4-23 Cox 4176 Riverside Palo Verde, 1-3 km W, (ca, 32 mi S of Blythe). 70 Comment
  SD152832  Geranium carolinianum Steve Boyd 1992-4-15 6875 Riverside San Mateo Canyon Wilderness Area; Bluewater Trail, downstream to the confluencde with San Mateo Creek. 334 Comment
  UCR121667  Geranium robertianum A. C. Sanders, T. B. Salvato 2000-5-8 23382 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  SD152788  Gilia angelensis Steve Boyd 1992-4-15 6880 Riverside San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek. 334 Comment
  UCR106422  Gilia angelensis George K. Helmkamp, A. C. Sanders 1997-3-15 1487 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  UCR62326  Gilia australis Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  RSA470277  Gilia capitata subsp. abrotanifolia M. B. Dunkle 1938-1 5315 Riverside Palm Springs Comment
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Nov 3 2011
  UC916692  Gilia capitata subsp. abrotanifolia Frank W. Gould 1944-4-4 2205 Riverside 2.3 mi s Corona; s of Corona Comment
  SEINET7072837  Gilia diegensis A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UCR237213  Gilia diegensis Duncan S. Bell, Valentin Arvizu 2010-5-10 988 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  UCR60707  Gilia maculata R. F. Thorne, M. Z. Thorne 1973-3-30 42656 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCR202410  Gilia ochroleuca Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA0017097  Gilia ochroleuca subsp. exilis Steve Boyd, Dave Bramlet 1991-5-13 6254 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  RSA0017280  Gilia ochroleuca subsp. exilis Scott D. White, Steve Ogg 1994-4-21 2004 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UCR201504  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-6-18 12238 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  RSA504964  Gilia stellata D. Charlton 1988-2-25 1232 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road and Dillon Road, S side of Joshua Tree National Park, parallel to I-10, 5 miles E of jct Dillon Road and Fargo Canyon Road. 610 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
  UCD117897  Gilia stellata Raymond A. Evans 1949-11-10 s.n. Riverside Canyon west of White Water Canyon, north of Palm Springs. Comment
  UCD99616  Glinus lotoides D. E. Bramlet; A. C. Sanders, M. Costea, T. Salvato 1991-10-15 2821 Riverside Mystic Lake. This site is 198m S of Gilman Hot Springs Road, 1.22 km NW of Hwy 79 and 2.1 km S of Jackrabbit trail. 433 Comment
  UCR145075  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Peninsular Range, Alberhill Mountain, SE of old clay mining area 448 Comment
  UCR140563  Gnaphalium californicum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 66 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  RSA614233  Gnaphalium canescens A. C. Sanders 1994-7-28 15192 Riverside [Riverside/San Bernardino County] Colton and Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) Bridge downstream almost to Market St. Crossing. 246 Comment
  SEINET6413738  Gnaphalium palustre R. Spellenberg 2014-5-7 14777 Riverside S of Moreno Valley, 1.6 km N of Ramona Expressway on Davis Road, toward San Jacinto Wildlife Area. 435 Comment
  UCR116997  Gnaphalium palustre A. C. Sanders, T. B. Salvato 2001-5-3 24104 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA695830  Greeneocharis circumscissa J. R. Bruff 1928-4-2 103 Riverside Canyon wash 1 mile west of Morengo. Comment
  UCR38237  Grindelia camporum Steve Boyd 1980-4-23 s.n. Riverside NE corner of Jurupa Rd. & Pedley Rd., Glen Avon Comment
  UC1584126  Guillenia lasiophylla Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3875 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches of s flank of Big Oak Mtn); Vail Lake Area 396 Comment
  RSA125983  Gutierrezia californica E. K. Balls, Percy C. Everett 1957-11-4 22744 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  UCR114845  Gutierrezia californica Mitch Provance 1998-2-17 59 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  LA203630  Gutierrezia sarothrae H. Lewis; 1940-7-18 sn Riverside U.S. 395, 5 mi. W of Temecula Comment
  UC1509680  Gutierrezia sarothrae Meredith A. Lane 1982-10-13 3027 Riverside 34.5 km (21.6 mi) e of Keen Camp (summit of San Jacinto Mountains on State Highway 74 at Pinyon Flats Campground); San Jacinto Mountains, State Highway 74 Comment
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Nov 20 2010
  UCR138557  Haplopappus squarrosus subsp. grindelioides Steve Boyd, D. E. Bramlet 1988-10-8 2876 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  RSA0066621  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 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
  UCR104645  Harpagonella palmeri D. E. Bramlet 1997-4-4 2509 Riverside in a tributary to Olsen Canyon, 366m east of the El Sobrante landfill and 610 m north of Dawson Canyon. The site is some 91 m north of the existing NE-SW access road to the Black Rocks region 415 Comment
  UCR260534  Harpagonella palmeri T. B. Salvato 2014-5-29 8048 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  UCR63946  Harpagonella palmeri D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1785 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR97274  Harpagonella palmeri D. E. Bramlet 1995-4-26 2399 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, S facing slope adjacent (N) of the water tank maintenance road (road from BM 1487), c. 671m east of the entrance road, at junction of maintenace road and road to Tucalota Creek 476 Comment
  SDSU12908  Hazardia squarrosa var. grindelioides Jutta Buschbom 1991-6-3 17 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR22006  Helianthus annuus Steve Boyd 1980-9-8 347 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SEINET10757378  Helianthus annuus Billy Joe Cox 1975-10-10 Cox 4210 Riverside Riverside-Imperial counties. Palo Verde, 1-3 km W, (ca. 32 km S of Blythe). 70 Comment
  RSA33366  Helianthus annuus subsp. lenticularis N. C. Cooper 1943-9-26 933 Riverside Cabazon; Alkali Flat. 610 Comment
  RSA0012944  Helianthus californicus C. W. Tilforth, John Dourley 1970-9-2 306 Riverside Along road to Santa Rosa Mountain. Comment
  UCR19739  Helianthus gracilentus W. W. Mayhew 1977-10-1 s.n. Riverside San Jacinto Mtns., [Hwy 243] 1 mi SE of Poppet Rd. 1341 Comment
  SD227749  Helianthus niveus Scott D. White, Sandy Leatherman 1998-4-15 6285 Riverside Coachella Valley. La Quinta / Palm Desert area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes N of Miles Ave. and W of Washington St. 39 Comment
  CLARK-A1528-1912  Helianthus niveus subsp. canescens John C. Roos 1962-4-3 Riverside Palm Springs Municipal Airport 121 Comment
  CSUSB742  Heliotropium curassavicum var. oculatum Heather Johnston 1967-5-16 Riverside Salton Sea State Park Salton Sea State Park, 0.9 miles south of entrance. Creek crossing Highway 111 -45 Comment
  UC489018  Hemizonella minima C. V. Meyer 1929-6-16 761 Riverside Saunder's Meadow San Jacinto Mts. 1706 Comment
  UCR121807  Hemizonia fasciculata A. C. Sanders, Carolyn Washburn 2001-4-17 24061 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UCR139191  Hemizonia fasciculata Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  POM122962  Hemizonia kelloggii Marcus E. Jones 1926-5-31 s.n. Riverside Corona Comment
  UCR140294  Hemizonia kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  UCR214318  Hemizonia kelloggii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38393 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR260605  Hemizonia kelloggii A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41570 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 392 Comment
  RSA192325  Hemizonia paniculata E. W. Lathrop 1967-5-14 s.n. Riverside 1-2 miles SW of Murietta Comment
  RSA702550  Hemizonia paniculata Scott D. White, Brian Leatherman 2004-10-7 10769 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  UCR130517  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2003-5-27 03- 243 Riverside Elsinore Trough, city of Lake Elsinore, vicinity of Campbell Dr. and Diamond Drive 384 Comment
  UCR260875  Hemizonia pungens subsp. laevis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41573 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  UCR260890  Hemizonia pungens subsp. pungens A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41523 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  SBBG25149  Hesperocallis undulata Leota Davidson 1966-4-3 235 Riverside ca. 3 mi off Interstate 10 on Wyley Wells Rd, ca. 31 mi E of Desert Center, Chuckawalla Mts Comment
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Jul 1 2016
  HSC85437  Hesperocnide tenella Steve Boyd 1986-4-2 1598 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA552720  Hesperocnide tenella Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6690 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA585794  Hesperocnide tenella D. L. Banks, Steve D. Boyd 1995-5-9 421 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  UCR91508  Hesperocnide tenella Scott D. White, M. Jacobsmeyer 1996-4-20 3943 Riverside Elsinore Basin, Bundy Canyon, east of Lake Elsinore; c. 1 road mi. east of Bundy Canyon Rd exit from the Interstate Hwy 15 exit 451 Comment
  RSA0072391  Heteromeles arbutifolia E. W. Lathrop 1965-12-9 6039 Riverside 5 miles southwest of Murrieta on the De Luz truck trail. 457 Comment
  UCR99567  Heterotheca grandiflora Julie A. Greene, S. D. White 1993-7-5 1400 Riverside San Jacinto Valley, San Jacinto Wildlife Area, on raised wet area, west of dirt road 445 Comment
  RSA479911  Heterotheca sessiliflora subsp. echioides Steve Boyd 1987-9-27 2090 Riverside Peninsular Range Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek. 366 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
  UC1999890 Image available Heterotheca sessiliflora subsp. fastigiata J. C. Semple, J. Chimielewski 1987-9-30 8982 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  POM13989  Hibiscus denudatus P. A. Munz, D. D. Keck 1922-4-9 4893 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA95299  Hibiscus denudatus F. W. Peirson 1922-4-9 2900 Riverside Palm Canyon Region, near Palm Springs. Comment
  RSA696195  Hieracium albiflorum Keith E. Hoffmaster 1937-7-5 s.n. Riverside Fern Valley, San Jacinto Mtns Comment
  UC32788  Hieracium horridum H. M. Hall 1901-7-1 2560 Riverside Fuller's Mills Mountains San Jacinto Mountains 2072 Comment
  SD258840  Hilaria rigida Sarah J. De Groot, Duncan S. Bell, LeRoy Gross 2016-2-17 7607 Riverside Santa Rosa Mountains; slide off east side of Martinez Mountain, north of Toro Canyon, south of La Quinta, southwest of Thermal and Coachella. 110 Comment
  SEINET190986 Image available Hilaria rigida A. A. Beetle 1942-4-22 3183 Riverside 5 mi E of Shaver's Summit; Rt 60 & 70 Comment
  UCSB18910  Hilaria rigida Keefe, Joseph 1965-5-18 Riverside Along Pines to Palms Highway, 8 miles east of Pinyon Flats Campground 914 Comment
  RSA698742  Hoffmannseggia densiflora Mary Edmunds 1932-3-26 s.n. Riverside Oasis-Coachella Valley. Comment
  RSA0087458  Hoffmannseggia glauca Sarah J. De Groot, Amy Rouillard 2015-9-15 7570 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA4929  Hoffmannseggia glauca C. B. Wolf 1932-4-28 s.n. Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
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Mar 26 2011
  RSA550342  Hoffmannseggia glauca Walter Wisura, John Dolan, Michael Wall 1992-2-25 4646 Riverside Ford dry lake N of I-10 at Hopkins Well. Comment
  LA45807  Hoffmannseggia microphylla Nesta Dunn; A. M. Martin 1932-3-7 sn Riverside Oasis Comment
  SD123998  Hoffmannseggia microphylla C. W. Tilforth 1976-7-21 1221 Riverside Colorado Desert, Painted Canyon NE of Mecca Comment
  CAS-BOT-BC285036  Hordeum depressum A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd. 460 Comment
  SBBG104100  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Hemet, along S side of Devonshire Ave between Old Warren and Warren Rds, SW of Tres Cerritos and N of Florida Ave (Hwy 74) Comment
  UCR281279  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 19 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- 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
  UCR104092  Hordeum intercedens D. E. Bramlet 1996-5-4 2465 Riverside San Jacinto Valley, San Jacinto Wildlife Area, at the entrance to Marsh A, approximately 15 m from the southern levee of Pond No. 1, approximately 1.5 km NE of the reserve entrance at Davis Road 433 Comment
  RSA198984  Hordeum marinum subsp. gussoneanum R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37581 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  RSA498671  Horkelia clevelandii F. W. Peirson 1924-7-28 5006 Riverside Pine Flats Camp 1799 Comment
  RSA642084  Horkelia clevelandii Orlando Mistretta, Mark A. Elvin 1995-6-19 1772 Riverside San Jacinto Mountains. 1463 Comment
  UCR4670  Horkelia clevelandii Frank C. Vasek 1964-7-19 640719- 04 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  RSA0018953  Horkelia clevelandii Elbert Benjamine 1929-5-18 225 Riverside Mt. San Jacinto. 1220 Comment
  RSA0014934  Hulsea vestita subsp. callicarpha LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6149 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  RSA102349  Hulsea vestita subsp. callicarpha S. B. Parish, W. F. Parish 1880-07 531 Riverside San Jacinto Mt. Comment
  UCSB42190  Hulsea vestita subsp. callicarpha Roos, John 1965-6-13 Riverside West of Mountain Center, San Jacinto Mtns. Comment
  POM3216  Hydrocotyle umbellata D. L. Crawford 1919-07 s.n Riverside [Unspecified] Comment
  CLARK-A1528-1959  Hymenoclea salsola John C. Roos 1947-2-15 3246 Riverside Eagle Mountains Comment
  POM361067  Hymenoclea salsola Ora M. Clark 1929-3-17 1767 Riverside San Andreas Canyon, S. of Palm Springs. Comment
  RSA695592  Hymenoclea salsola Keith E. Hoffmaster 1937-3-16 s.n. Riverside Palm Springs. Comment
  SEINET156514  Hymenoclea salsola Norman C. Cooper 1944-4-23 1120 Riverside Cabazon. 457 Comment
  CAS-BOT-BC312629  Hymenopappus filifolius var. lugens Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  RSA58865  Hymenopappus filifolius var. lugens P. A. Munz, P. C. Everett 1950-6-23 14918 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  POM113425  Hymenoxys cooperi J. B. Feudge 1926-5-9 1371 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
  SBBG72729  Hypericum formosum var. scouleri M. Lewis 1947-8-26 12 Riverside Dark Cyn 1981 Comment
  CAS-BOT-BC219765  Hyptis emoryi D. B. Dunn; H. Brown; E. McClintock 1947-3-15 2864 Riverside Pushawalla Canyon, Indio Hills Comment
  POM118337  Hyptis emoryi Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  POM126315  Hyptis emoryi Thomas Craig 1927-4-2 5 Riverside Palm Springs. Comment
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Feb 26 2008
  SD38548  Hyptis emoryi Edith Purer 1935-4-21 6464 Riverside Eastern slope of Mt. San Jacinto, Near Palm Springs Comment
  SFV21859  Hyptis emoryi J. R. Pucci 2001-4-7 9 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  UC951156  Hyptis emoryi L. S. Rose 1946-12-27 46308 Riverside Palms-to-Pines Highway 7 mi sw Indian Wells (Dead Indian Creek Wash); sw of Indian Wells 274 Comment
  UCLA61591  Hyptis emoryi F. M. Scott Riverside Painted Canyon Comment
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Jun 14 2013
  VVC746  Hyptis emoryi var. emoryi P. J. MacKay, T. Thomas 1997-2-8 98 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  UCR114328  Ipomoea hirsutula Mitch Provance 1998-9-28 1158 Riverside City of Riverside, Hillside area, Joseph and Socorro Gomez residence, 5575 Dean Way. 238 Comment
  CAS-BOT-BC311614  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Salton Basin. Indio -6 Comment
  OBI16009  Isocoma acradenia var. eremophila Lewis S. Rose 1961-11-23 61062 Riverside La Quinta 15 Comment
  RSA314398A  Isocoma acradenia var. eremophila R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55404 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  UC1532802  Isoetes howellii Robert F. Thorne and Earl Lathrop 1975-5-20 45542 Riverside Rancho California, Mesa de Burro 609 Comment
  CHSC83701  Isomeris arborea John Dittes 2002-1-4 2 -45 Riverside Mojave Desert; Little San Bernardino Mountains, ca. 6.5 air-miles north of Indio. In wash on bajada of West Berdoo Canyon, northwest of Berdoo Canyon 4WD trail. 243 Comment
  UC400191  Isomeris arborea Ynes Mexia 1929-2-16 2325 Riverside Palm Springs; Colorado Desert Comment
  SD186089  Iva axillaris A. C. Sanders 2004-6-20 28213 Riverside Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, northeast side of the I-15 Fwy., south of Clay Canyon Rd. 305 Comment
  UCR262277  Jasminum mesnyi A. C. Sanders 2006-5-13 32285 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
  SD237479  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  UCR222647  Juglans hindsii R. E. Riefner Jr., Kurt Campbell 2007-5-19 07- 211 Riverside Peninsular Range, Temecula, Temecula Canyon, Santa Margarita River, [to] c. 1.5 miles west of I-15 Fwy 290 Comment
  UCR127917  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  SDSU14318  Juncus arcticus var. mexicanus Kristin Andrade, Mike Simpson 2002-4-20 12 Riverside On north side of Santa Margarita river, 500 feet from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 229 Comment
  POM259107  Juncus bufonius Phillip A. Munz 1938-8-14 15351 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA785184  Juncus bufonius D. E. Bramlet 1992-4-29 2256 Riverside San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  UC1601697  Juncus bufonius H. M. Hall Jun 1901 2076 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  UCR220333  Juncus bufonius D. E. Bramlet 1992-4-29 2252 A Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, west edge of Hemet, west of Warren Rd. and north of Florida Ave./Hwy 74 457 Comment
  UCR268066  Juncus bufonius D. E. Bramlet 2005-4-22 3828 Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  SD137986  Juncus bufonius var. bufonius Darin L. Banks, Steve Boyd 1995-5-3 214 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA247274  Juncus effusus subsp. austrocalifornicus G. D. Wallace, D. H. Wilken 1966-7-3 652 Riverside San Jacinto Mountains near Idyllwild, Strawberry Meadows. Comment
  POM78994  Juncus mexicanus I. M. Johnston 1925-7-19 s.n. Riverside Pedley - Norco Road, 4 miles SSE of Wineville. Comment
  RSA605992  Juncus mexicanus C. Epling, Joseph A. Ewan 1933-06 s.n. Riverside South shore Lake Elsinore. Comment
  UCR108203  Juncus textilis D. L. Banks 1997-11-15 2193 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UCR174256  Juncus textilis A. C. Sanders, T. B. Salvato 2006-6-2 33076 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR37449  Juncus textilis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  JOTR31801  Juncus xiphioides La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2103 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  RSA368390  Juncus xiphioides John Olmsted 1962-5-10 3628 Riverside Coldwater Canyon, Corona city water supply, western Riverside County 396 Comment
  UCR164302  Juncus xiphioides S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  CAS-BOT-BC85410  Juniperus californica Lewis S. Rose 1936-12-24 36810 Riverside San Jacinto Mts., palms to Pines Highway, 24 mi. SW. of Indio 1066 Comment
  POM250497  Juniperus californica I. W. Clokey 1935-4-17 6507 Riverside Cottonwood Springs Comment
  RSA450180  Juniperus californica A. R. Roos 1934-1-22 s.n. Riverside Morongo Canyon. Comment
  CAS-BOT-BC234603  Justicia californica Reid Moran 1941-5-5 855 Riverside Cottonwood Pass, Eagle Mts. Comment
  LA202789  Justicia californica Nesta Hutchinson; A. M. Martin 1932-3-26 sn Riverside Shavers Well Comment
  RSA304957  Justicia californica S. Carlquist 1982-4-18 15672 Riverside 2.2 miles north of entrance (from highway 10) to Joshua Tree National Monument. Comment
  RSA398810  Justicia californica Robert Gustafson 1978-3-21 839 Riverside Joshua Tree National Monument, about 4 miles from the junction of the road leading through the park and Hwy 70. 640 Comment
  RSA778143  Justicia californica Jim Andre 2011-2-2 16217 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  SD46093  Justicia californica Herbert L. Mason 1952-4-7 14212 Riverside Palm Canyon Comment
  UCR211494  Kallstroemia californica Jim Andre, T. La Doux 2008-9-13 10262 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  CDA28958  Keckiella antirrhinoides Mike Lahti 2009-4-7 PDR# 1501611 Riverside East Hemet. 0 Comment
  SDSU10663  Keckiella antirrhinoides W. T. Williams 1962-5-12 Riverside San Jacinto Mtns., 2000ft marker on Hwy between Hemet and Idyllwild. Left side of Hwy going to Idyllwild 30 ft. just before the wash. 610 Comment
  UC410544  Keckiella antirrhinoides Mrs. E. C. Van Dyke 1928-7-10 Riverside near Idyllwild Comment
  RSA496453  Keckiella antirrhinoides subsp. antirrhinoides Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3067 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA401718A  Keckiella antirrhinoides subsp. microphylla Robert Gustafson, Gary D. Wallace 1982-5-19 2568 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  LA209278  Keckiella antirrhinoides var. antirrhinoides L. Haines; L. Erickson 1937-4-9 sn Riverside Riverside-Hemet road near Winchester turnoff Comment
  LA35236  Keckiella antirrhinoides var. antirrhinoides Mary V. Hood; 1942-6-13 42- 37 k* Riverside rd between Temecula and Aguanga 426 Comment
  NY786715  Keckiella antirrhinoides var. antirrhinoides S. D. Boyd 1991-5-10 6217 Riverside Santa Ana Mountains, base of range, just north of mouth of Hagador Canyon at bottom of Skyline Drive. 426.7 Comment
  SD137611  Keckiella antirrhinoides var. antirrhinoides Darin L. Banks 1995-4-5 143 Riverside Cleveland National Forest, Agua Tibia Wilderness area, N slope of Agua Tibia Mtn., E of the Dripping springs Alcove, west of the Dripping Springs Trail 646 Comment
  SD73629  Keckiella antirrhinoides var. antirrhinoides Helen V. Witham 1970-5-1 844 Riverside Bautista Canyon, southeast of Hemet 800 Comment
  NY786768  Keckiella antirrhinoides var. microphylla A. M. Alexander 1941-5-23 2215 -a Riverside Mouth of canyon, north base of Eagle Mountains 1158.2 Comment
  UCSB12232  Keckiella ternata Breedlove, Dennis 1961-8-5 Riverside road cut on Riverside highway 1; 0.2 mi SW of Fuller Mill Creek; San Jacinto Mtns 1645 Comment
  RSA293230  Keckiella ternata subsp. ternata D. C. Michener 1980-7-20 3714 Riverside Thomas Mtn. Chaparral/ coniferous forest transition on Thomas Mtn re [6S13] 2.7mi. north of jct. with CA by Lake Hemit. 1450 Comment
  CAS-BOT-BC168506  Krameria erecta Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9002 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  CAS-BOT-BC43702  Krameria erecta L. R. Abrams 1926-3-26 11104 Riverside Between Edom and Garnet east of San Gargonio Pass Comment
  JEPS64826  Krameria grayi W. L. Jepson 1912-10-28 5238 Riverside near Riverside Mts. (<Botanical Expedition along the Colorado River Needles to Yuma..>); Colorado River, near Riverside Mts. 91 Comment
  POM301792  Krameria grayi J. Cole 1942-5-19 867 Riverside Fried Liver Wash, Pinto Basin, Joshua Tree National Monument. 610 Comment
  SEINET11446730 Image available Laennecia coulteri H. M. Hall 5941 Riverside Palo Verde Valley 76 Comment
  UCR26506  Lagophylla ramosissima subsp. ramosissima A. C. Sanders, S. Hagopian 1981-5-20 2147 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA198982  Lamarckia aurea R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37584 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  SEINET10598982  Lamarckia aurea Charles L. Hitchcock, C. V. Muhlick 1962-3-16 Hitchcock 22152 Riverside Temescal Canyon, ca. 12 miles SE of Corona, on sandy soil, growing with other rank annuals. Comment
  RSA0128199  Larrea divaricata G. Rink 2013-3-17 11862 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  HSC82947  Larrea tridentata B. Pitzer 1986-2-9 9 Riverside Martinez Canyon, Santa Rosa Mtns., SW of Valerie Jean, 1 mi. E of canyon mouth. Comment
  RSA0070269  Larrea tridentata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 20 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 784 Comment
  RSA516899  Larrea tridentata Steve D. Boyd 1986-3-13 1418 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UCR245740  Larrea tridentata Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3956 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., [NE] of Shaver Well on an alluvial plain 323 Comment
  VVC519  Larrea tridentata W. W. Mayhew 1959-2-3 s.n. Riverside Colorado Desert, 10 miles east of Desert Center. 198 Comment
  RSA689506  Lastarriaea coriacea Scott D. White, Michael Honer 2003-5-27 9418 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  CAS-BOT-BC338910  Lasthenia californica Steve Boyd 1986-4-2 1614 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  SEINET6083065  Lasthenia californica Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA0106323  Lasthenia chrysostoma Lyman Benson 1946-4-15 12028 Riverside 2 miles east of Banning. 609 Comment
  CAS-BOT-BC353286  Lasthenia coronaria H. M. Hall 1903-4-1 3982 Riverside Vicinity of Riverside 365 Comment
  CLARK-A1656-700  Lasthenia coronaria Theo Glenn 1979-3-11 Riverside San Jacinto Mountains Comment
  POM305812  Lasthenia coronaria Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1047 Riverside Corona-Elsinore. Comment
  SD130360  Lasthenia coronaria Ed LaRue 1990-4-13 Riverside 0.5 mile northwest of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  UC1363761  Lasthenia coronaria Peter Raven 1960-3-21 6012 Riverside 12 mi sw of Anza; Aguanga-Anza road Comment
  UCR277165  Lasthenia coronaria Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, north of Snow Creek Village NE of where the Pacific Crest Trail crosses Snow Creek Rd. 364 Comment
  SEINET7042766  Lasthenia glabrata W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  RSA550495  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-3 2214 Riverside Entrance to San Jacinto Wildlife area some 152m east of Davis Road. and 10m south of the exisitng access road. The site is some 137m south of the exsiting headquarters building and some 76m south of a waterfowl pond. 434 Comment
  RSA593916  Lasthenia gracilis Steve Boyd, David E. Bramlet 1996-4-19 8596 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
  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
  UC2061414  Lasthenia gracilis Rachael L. Olliff Yang with Alice J. Olliff 2017-3-27 9 Riverside UC Riverside Motte Rimroc Reserve, about 500 m uphill from the research station. Comment
  RSA678928  Lathyrus vestitus Scott D. White, Michael Honer 2003-6-3 9471 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR137706  Lathyrus vestitus var. alefeldii D. L. Banks 1997-3-16 1549 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  SD237493  Lavandula X intermedia A. C. Sanders 2012-4-12 40030 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon, along Temescal Canyon Road between Glen Ivy and Indian Truck Trail, near El Hermano Road (Lake Matthews 7.5'Q) 312 Comment
  RSA33563  Layia glandulosa N. C. Cooper 1944-3-25 1004 Riverside Cabazon. 457 Comment
  RSA773042  Layia glandulosa Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5039 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UC279713  Layia glandulosa Edmund C. Jaeger 1925-12-23 Riverside Aguanga 883 Comment
  UCR178155  Layia glandulosa Jeffrey Ross, T. B. Salvato 1998-5-14 MOR- 140 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  RSA704000  Layia platyglossa Daphne K. Christopher, H. Stevens, Zach Princip 131 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On main gravel road heading away from ranch entrance and private residence driveways. 377 Comment
  UCD133983  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR12202  Layia platyglossa S. W. Berthel 1971-5-27 s.n. Riverside Box Springs Mtns, Just above 'C' Comment
  UCR180055  Layia platyglossa Mitch Provance 2005-5-18 9805 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
  UCR182347  Layia platyglossa Mitch Provance 2005-5-17 6551 A Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR228249  Layia platyglossa A. C. Sanders, T. B. Salvato 2011-4-1 38933 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  SEINET9775205 Image available Layia platyglossa Sharon J. McCormick 1976-4-27 Riverside 200 yds. past city reservoir on Two Trees Canyon Rd. Comment
  RSA556481  Layia platyglossa subsp. campestris Julie Greene 1993-3-13 1010 Riverside On the berm between the western ponds 440 Comment
  RSA233324  Layia platyglossa subsp. platyglossa L. B. Ziegler 1968-4-16 s.n. Riverside Hemet Valley, San Jacinto Mts Comment
  SBBG104095  Lepidium dictyotum A. C. Sanders 1993-4-5 13683 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 Comment
  UCR91280  Lepidium dictyotum var. acutidens Scott D. White, M. Jacobsmeyer 1996-4-20 3965 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  RSA691062  Lepidium dictyotum var. dictyotum Scott D. White, Michael Honer 2003-4-9 8973 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  POM265283  Lepidium fremontii I. L. Wiggins 1937-3-9 8755 Riverside 5 miles west of Shaver's Well. Comment
  RSA429925  Lepidium lasiocarpum Francis Fultz 17148 Riverside Colorado Desert. Comment
  RSA727385  Lepidium lasiocarpum Naomi Fraga, Lisa Rojas 2005-2-10 1363 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC68542  Lepidium lasiocarpum var. lasiocarpum H. M. Hall Apr 1905 5879 Riverside Chuckawalla Mts. Colorado Mts. Comment
  RSA162734  Lepidium virginicum J. Olmstead 1959-6-23 658 Riverside Desert Sun School near Idyllwild. 1646 Comment
  UCD115877  Lepidium virginicum R. N. Raynor 1938-6-20 s.n. Riverside Pines to Palms Highway, near Herky Creek. Comment
  UCR213840  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2009-5-21 12853 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UCR97507  Lepidium virginicum var. robinsonii A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19881 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCR97755  Lepidium virginicum var. robinsonii A. C. Sanders 1997-3-1 19715 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UC1008313  Lepidospartum squamatum Rimo Bacigalupi and L. R. Heckard 1953-5-5 4069 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  RSA425021  Leptochloa panicea subsp. mucronata J. C. Roos 1958-9-28 s.n. Riverside Coachella. Comment
  UCR90015  Leptochloa uninervia 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
  POM3599  Leptodactylon californicum Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains. Comment
  POM13671  Leptosiphon floribundus P. A. Munz 1922-6-27 5859 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  SJSU8700  Leptosiphon lemmonii N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 4-5 mi E of Lake Elsinore 396 Comment
  RSA356650  Leptosiphon liniflorus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47303 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro: E side of Mesa 609 Comment
  SD227874  Leptosiphon liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns.: Morongo Indian Reservation, side canyon E of Middle Branch Millard Canyon (Cabazon 7.5' Q) 1280 Comment
  RSA0017394  Leptosiphon parviflorus Marcus E. Jones 1903-5-11 10318 Riverside Banning. 701 Comment
  UCR281227  Leptosiphon parviflorus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 47 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  UCR120206  Lessingia filaginifolia Mitch Provance 1998-3-5 194 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  POM253439  Lessingia glandulifera var. glandulifera Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  POM319687  Leymus triticoides Patricia Wilder 1971-11-11 5293 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  RSA198976  Lilaea scilloides Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 377595 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  RSA768502  Limonium duriusculum Justin M. Wood 2009-11-30 1386 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR2869  Limonium sinuatum N. J. Matthews 1963-5-5 50563- 01 Riverside San Jacinto Valley, San Jacinto, Hwy 79, in front of Hemacinto Drive-In Theatre 457 Comment
  UCR19166  Linanthus aureus John C. Roos 1942-5-2 1148 Riverside Mojave Desert, Joshua Tree Nat. Monument. Lost Horse Well Comment
  UCR198186  Linanthus bigelovii Michael Honer, L. Hulse 2004-4-2 1884 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  RSA783373  Linanthus ciliatus J. D. Olmsted 1959-6-23 664 Riverside M. fk. San Jacinto River. Desert Sun School near Idyllwild 1646 Comment
  RSA691058  Linanthus dianthiflorus Scott D. White, Michael Honer 2003-4-9 8982 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
  RSA85447  Linanthus dianthiflorus subsp. dianthiflorus J. C. Roos 1952-4-13 5529 Riverside Box Springs Mts. 488 Comment
  JEPS58381  Linanthus dichotomus W. L. Jepson 1914-5-18 5994 Riverside n of Indio (Pinyon Well); Colorado Desert Comment
  UC23753  Linanthus floribundus subsp. floribundus H. M. Hall Jun 1898 941 Riverside Santa Rosa Indian Reservation San Jacinto Mountains Comment
  UC908796  Linanthus lemmonii Victor Duran 1935-4-17 Riverside Sage Comment
  CLARK-A1528-3477  Linanthus liniflorus John C. Roos 1952-5-26 5712 Riverside Reche Canyon 457 Comment
  POM153404  Lobelia cardinalis subsp. graminea P. A. Munz, I. M. Johnston 1928-9-12 11303 Riverside 2 miles S of Murrieta. Comment
  RSA357789  Loeflingia squarrosa R. F. Thorne, M. Z. Thorne 1973-3-30 42688 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs 488 Comment
  UCR116784  Loeflingia squarrosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24164 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  RSA444568  Loeseliastrum matthewsii Anonymous 1988-3-23 4212 Riverside Hwy 62 immediately E of robinson Rd., W of Twentynine Palms. Comment
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Dec 5 2014
  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
  JEPS69807  Loeseliastrum schottii W. L. Jepson and H. M. Hall 1901-5-30 1552 Riverside Temecula R. between Aguanga and Temecula; Temecula R. Comment
  JEPS69813  Loeseliastrum schottii Samuel B. Parish Mar 1884 Riverside Agua Caliente (= Palm Springs of Mt. San Jacinto) Colorado Desert, Agua Caliente Comment
  SD45174  Loeseliastrum schottii Helen K. Sharsmith 1952-4-8 4050 Riverside Western Lobe of Pinto Basin, Joshua Tree national Monument 609 Comment
  JOTR30926  Logfia depressa La Doux, Tasha, Bill Truesdell 2008-4-29 2601 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Rocky side canyon above Johnny Lang Canyon (Stop 10) 1235 Comment
  UC32054  Logfia filaginoides W. G. Wright 1890-1-1 1769 Riverside Colorado Desert Comment
  RSA512171  Lolium perenne Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  UCR54311  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  UCR22185  Lolium temulentum E. W. Lathrop 1964-6-7 4877 Riverside Redonda Mesa, 14 mi west of Murrieta Comment
  RSA97151  Lomatium dasycarpum subsp. dasycarpum F. W. Peirson 1922-5-19 4461 Riverside 3 miles northeast of Murrieta. Comment
  SD144086  Lomatium lucidum A. C. Sanders, T. Thomas, O. Clarke 1997-5-4 20638 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  CLARK-A1528-1447  Lomatium utriculatum John C. Roos 1952-2-29 5365 Riverside Reche Canyon 426 Comment
  SEINET7063052  Lomatium utriculatum A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  UC56509  Lomatium utriculatum H. M. Hall May, 1901 Riverside West Riverside Comment
  UCR102889  Lomatium utriculatum A. C. Sanders 1997-4-3 20174 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR6042  Lomatium utriculatum Randy Salstrom 1966-3-15 s.n. Riverside Box Springs Canyon, 100 yards east of freeway between Riverside and Beaumont, 2 mi. south of UCR 459 Comment
  POM307778  Lomatium vaginatum Henry J. Ramsey, Henry J. Ramsey 1938-3-26 2553 Riverside Corona-Elsinore Road. Comment
  UCR95946  Lonicera subspicata Scott D. White 1996-8-1 4439 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  HSC85284  Lonicera subspicata var. denudata Steve Boyd 1986-5-7 1831 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  POM17806  Lonicera subspicata var. denudata P. A. Munz 1923-6-14 7052 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  SD51938  Lonicera subspicata var. johnstonii Reid Moran 1962-7-7 9869 Riverside By Strawberry Creek, 2.0 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
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Feb 23 2013
  CAS-BOT-BC198548  Lotus W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside About 2 miles up San Jacinto Canyon. 518 Comment
  CLARK-A1045-81  Lotus argyraeus George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
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Jan 3 2018
  UCR103778  Lotus corniculatus Scott D. White 1994-10-17 2480 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UC80918  Lotus crassifolius var. crassifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  RSA522778  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3885 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
  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
  RSA192338  Lotus heermannii E. W. Lathrop 1966-3-20 6066 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and Tenaja Guard Station, Trabuco District. Comment
  RSA757447  Lotus heermannii Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55226 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  CLARK-A1528-5009  Lotus purshianus John C. Roos 1937-6-7 2400 Riverside San Jacinto Comment
  UCR112001  Lotus purshianus A. C. Sanders, T. B. Salvato 2000-5-25 23424 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
  UC64819  Lotus rigidus E. E. Schellenger 1904-3-28 60 Riverside Cottonwood Springs Colorado Desert, Cottonwood Mt. Comment
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Oct 9 2010
  UCR108999  Lotus salsuginosus D. L. Banks, V. W. Steinmann 1997-3-13 1480 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR85248  Lotus salsuginosus A. C. Sanders, P. J. MacKay, , M. Jacobsmeyer, et al. 1995-3-5 15987 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  JEPS55889  Lotus scoparius var. brevialatus Marjorie D. Clary 1932-6-6 1181 Riverside 15 mi s Indio (Dead Indian Creek, near foot of Palms to Pines Road); Colorado Desert, Dead Indian Creek 304 Comment
  CSUSB1248  Lotus strigosus Nancy J. Matthews 1963-5-9 50963 1 Riverside 1 mile northwest of Gilman Hot Springs on Highway 79; along roadside. 457 Comment
  RSA583367  Lotus strigosus Steve Boyd, Darin Banks 1995-4-5 8431 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  RSA782088  Lotus strigosus Duncan S. Bell 2009-3-7 5 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  SEINET7063445  Lotus strigosus A. G. Vestal 1947-3-30 s.n. Riverside Intersection 5 miles south of Winchester on the Winchester Road (Route 79) at French Valley. UTM Zone 11, 492195mE, 3722513mN. (WGS84/NAD83). 460 Comment
  UCR234333  Lotus strigosus A. C. Sanders, John F. Green 2012-4-6 40002 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  RSA180410  Lotus wrangelianus E. W. Lathrop 1965-4-9 5723 Riverside 6 miles W of Murrieta. Comment
  UCR122571  Ludwigia peploides George K. Helmkamp, E. A. Helmkamp 2000-8-29 5981 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  UC454633  Lupinus albifrons I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  CHSC8469  Lupinus arizonicus Edward Laidlaw Smith 1958-3-21 474 Riverside 2 mi. e. Indio on Hwy 60. Salton Sea drainage area. San Bernardino Mt. Range. Comment
  POM349958  Lupinus arizonicus M. B. Dunkle 1932-3-25 2913 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  POM349962  Lupinus arizonicus C. P. Smith 1936-1 2163 Riverside West side of Colorado Desert. -30 Comment
  UCR2956  Lupinus arizonicus D. L. Flaherty 1963-3-21 113 Riverside Sonoran Desert, Coachella Valley, 1000 yards west of the intersection of Hwy 74 and Bursera Way in Palm Desert. 128 Comment
  RSA0003524  Lupinus arizonicus Anstruther Davidson 1919-04 3333 Riverside Palm Springs. Comment
  UC15933  Lupinus bicolor H. M. Hall June 1901 2026 Riverside s side San Jacinto Mountains (San Jacinto Mountains); s side San Jacinto Mountains 1341 Comment
  RSA314671  Lupinus bicolor subsp. marginatus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55496 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA586863  Lupinus bicolor subsp. microphyllus D. L. Banks, S. D. Boyd 1995-5-3 0282 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SEINET4035698  Lupinus bicolor var. microphyllus O. M. Clark 1929-1 113 Riverside South Cabazon, southern California. Comment
  UCR256765  Lupinus concinnus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7883 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR95959  Lupinus concinnus Scott D. White 1996-8-1 4417 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA34569  Lupinus concinnus subsp. optatus N. C. Cooper 1944-6-17 1434 Riverside San Jacinto Mtns. West side. 1372 Comment
  POM46815  Lupinus concinnus subsp. orcuttii Mary F. Spencer 1920-4-19 1464 Riverside Palm Springs. 122 Comment
  RSA670630  Lupinus densiflorus var. lacteus B. C. Templeton 1930-4-9 1493 Riverside East of Riverside 700 Comment
  UCR153381  Lupinus excubitus Scott D. White 1999-5-24 7405 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR91657  Lupinus excubitus var. hallii D. L. Banks, Steve Boyd 1995-4-5 146 Riverside Palomar Mtns region, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, west of the Dripping Springs Trail, on terraces of W fork of Arroyo Seco. 573 Comment
  UC73151  Lupinus formosus Dr. R. J. Smith May 1904 Riverside near Beaumont; near Beaumont 609 Comment
  RSA594769  Lupinus hirsutissimus D. L. Banks, Dylan Hannon 1996-5-3 0995 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9. 487 Comment
  UCD107944  Lupinus hirsutissimus R. N. Raynor 1933-3-31 s.n. Riverside San Jacinto Valley. Comment
  UCR162644  Lupinus hirsutissimus S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR262283  Lupinus hirsutissimus A. C. Sanders 2006-5-13 32284 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR86868  Lupinus hirsutissimus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16276 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR114335  Lupinus latifolius Mitch Provance 2000-5-5 2011 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  LA205137  Lupinus latifolius var. parishii Elizabeth McClintock; 1936-7-20 sn Riverside Idyllwild, San Jacinto Mts Comment
  LA31764  Lupinus longifolius Mary V. Hood; 1944-4-7 44- 9 k* Riverside Agaunga 587 Comment
  RSA594501  Lupinus microcarpus var. densiflorus D. L. Banks, Rashmi Pant 1996-5-13 1013 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along the base of a xeric, arkose ridge, in a small drainage, appx 400 m E of the Dripping Springs Guard Station, just S of Hwy. 493 Comment
  UCR132859  Lupinus microcarpus var. densiflorus Kent Beaman 1983-4-24 15 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  UCR87665  Lupinus sparsiflorus A. C. Sanders 1994-5-29 14562 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  POM254322  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1940-3-24 15710 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA524612  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, L. Arnseth, T. S. Ross 1990-3-29 3935 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UCR138827  Lupinus truncatus D. L. Banks 1997-2-23 1311 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
  UCR93022  Lupinus truncatus G. P. Schultz 1994-4-7 s.n. Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  POM14117  Luzula comosa Phillip A. Munz 1922-7-6 6000 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  CAS-BOT-BC231418  Lycium andersonii Peter H. Raven 1958-2-15 11578 Riverside Corn Springs, Chuckwalla Mountains Comment
  HSC83030  Lycium andersonii Miles Fellows 1985-3-3 97 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns. 1 mi. W of Snow Creek Village 488 Comment
  POM14254  Lycium andersonii Philip A. Munz, D. D. Keck 1922-4-9 4811 Riverside South base of Eagle Mtns. 183 Comment
  SD143703  Lycium andersonii G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2693 Riverside Colorado Desert: Midland Road., 3.8 mi. SE of Midland, Little Maria Mts. sandy wash Comment
  UCR108294  Lycium andersonii G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, c. l mi. airline SW of Arnold Heights. Wash just south of Van Buren Rd. 213 Comment
  UCR8306  Lycium andersonii N. R. Zabriskie 1969-4-27 207 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon near Palm Springs 366 Comment
  UC1329895  Lycium cooperi James E. Cole 1941-5-17 721 Riverside Covington Flat Canyon Joshua Tree National Monument 1432 Comment
  JOTR35221  Lycium fremontii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3645 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  RSA427023  Lycopersicon esculentum Louis C. Wheeler 1933-7-27 2040 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR281010  Lythrum californicum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 22 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  RSA356645  Lythrum hyssopifolia Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47309 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA575859  Machaeranthera asteroides var. asteroides Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  RSA0112047  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2009-10-9 497 Riverside Southwest section of the Arica Mountains. 410 Comment
  CAS-BOT-BC203973  Malacothamnus fasciculatus Lester Rowntree 1937-11-6 s.n. Riverside Pines to Palms Comment
  SD227756  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA682161  Malacothrix glabrata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10484 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA777286  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4544 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET242055  Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside Western Colorado Desert: Coachella Vly, Garnet, along transmission line route E of Garnet Wash 232 Comment
  UC75864  Malacothrix glabrata Miss M. Alice King April, 1893 Riverside Menifee Comment
  UCR167466  Malacothrix glabrata 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
  UCR235923  Malacothrix glabrata Jeremiah George 2012-6-4 s.n. Riverside San Gorgonio Pass, Banning, 0.1 mi. east of intersection of Bobcat Rd. and Turtle Dove Lane 707 Comment
  RSA220972  Malacothrix saxatilis var. tenuifolia E. W. Lathrop 1966-5-1 62 Riverside 4 mi W of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive 610 Comment
  UCR91620  Malacothrix saxatilis var. tenuifolia D. L. Banks, Steve Boyd 1995-6-27 0741 Riverside NW Palomar Mtns., Agua Tibia Mtns., along the Crosley Road, north of the jct between the Cutca Road; north of the Devils Hole area, north of the Forest Boundary. north of the first gate along the road approx 1/2 mi from Hwy 79 518 Comment
  RSA501072  Malosma laurina Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3190 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA339615  Malva parviflora Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51963 Riverside Murrietta Comment
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Apr 24 2011
  UCR207305  Malvella leprosa John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  RSA33787  Marah macrocarpa N. C. Cooper 1944-3-24 1026 Riverside Banning. 701 Comment
  RSA596718  Marah macrocarpa L. C. Wheeler 1960-5-11 7701 Riverside San Jacinto Mountains. 1 mi. west of Hurley Flat. Comment
  RSA772015  Marah macrocarpa Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4955 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SBBG54812  Marah macrocarpa D. Keil, M. McLeod 1979-3-18 12976 Riverside ca. 0.5 mi W of jct with Riverside County rd R-3 along Hwy 79 548 Comment
  UC403204  Marah macrocarpa H. M. Hall Aug. 1911 Riverside San Jacinto Mt. Comment
  VVC191  Marah macrocarpa A. C. Sanders, J. Mac 1997-5-4 20668 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  SD247425  Marina parryi A. C. Sanders., Jim Malusa 2015-9-10 41863 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mile SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  UCD170850  Marina parryi John Wear 1995-3-22 s.n. Riverside Colorado Desert: Wash along Eagle Mountain Road, N of I-10 near Desert Center. Comment
  SEINET2065649 Image available Marrubium vulgare Ed LaRue 1989-4-7 Riverside Woodcrest area, 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyn Road. 365 Comment
  UCR141352  Marsilea vestita Chris E. True, Robert Cox 2004-4-22 s.n. Riverside San Jacinto Valley, San Jacinto Wildlife Area, directly off the NE corner of Pond One, c. 4 miles SE of Moreno 436 Comment
  UCR155049  Marsilea vestita Jason L. Hlebakos 2005-5-18 699 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  RSA206501  Meconella denticulata E. W. Lathrop 1969-5-8 7021 Riverside Los Alamos Canyon near junction of San Mateo Canyon, Clevland National Forest, Trabuco district 518 Comment
  UC1608242  Meconella denticulata Steve Boyd, Carol Boyd, and Kyle Boyd 1992-3-21 6735 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Tenaja Canyon, along trail from wilderness boundary downstream towards Fisherman's Camp Comment
  UCR60157  Meconella denticulata Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, SW of town of Murrieta: Miller Canyon 457 Comment
  CAS-BOT-BC502098  Medicago truncatula R. E. Riefner, Jr. 2014-4-30 14 -92 Riverside City of Temecula, drainage at end of Eucalyptus Ct. at Great Oak Trail, vicinity of Pechanga Pkwy and Wolf Creek Dr. North 325 Comment
  CAS-BOT-BC269427  Melica californica J. C. Roos 1950-4-22 4754 Riverside The summit of Reche Canyon. Steep West slope, 0.5 miles N.E. of the summit 792 Comment
  RSA10520  Melica imperfecta C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
  RSA543765  Melica imperfecta Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6065 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
  SEINET251739 Image available Melica imperfecta A. C. Sanders 2004-4-20 27548 Riverside Santa Ana Mtns: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of San Diego county line(Fallbrook 7.5' Q.: Near 33. 29'34'N -117.21'56'W) 640 Comment
  UCR127104  Melica imperfecta Mitch Provance 1998-6-1 572 Riverside Jurupa Mountains, SW Pyrite Canyon, c. 0.4 miles SSE of peak 1768 442 Comment
  UCR174100  Melica imperfecta A. C. Sanders 2006-5-19 32466 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CSUSB1109  Melilotus indicus Leland E. Francois 1966-3-27 32766 1 Riverside City of Riverside, lower southeast slope of Mount Rubidoux, just up the slope from Glenwood Drive. 297 Comment
  SEINET2063363  Melilotus indicus Ed LaRue 1989-4-21 Riverside Moreno Valley, Univ. of CA agricultural experimental farms, ca. 1/2 mi S. of Alessandro Blvd. near corner of Cactus Ave. & Nason St. Comment
  UCR71616  Mentha aquatica A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11746 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  JEPS26723  Mentzelia affinis Newlon 1922-4-3 430 Riverside 6 miles w Indian Wells; Southern California Comment
  UCR26147  Mentzelia desertorum John C. Roos, Lucille Roos 1949-4-9 4208 Riverside Sonoran (Colorado) Desert, near the Riverside Mtns., 30 miles north of Blythe 137 Comment
  UCSB4238  Mentzelia desertorum Krogen, Roger 1957-1 Riverside 7 mi. E of Mecca on HWY 195, Box Canyon Wash Comment
  CSUSB970  Mentzelia involucrata Art Whistler 1966-3-26 s.n. Riverside 1 mile below the entrance to the Philip L. Boyd Desert Reseach Center, Deep Canyon. 100 yards off the road in a deep wash Comment
  RSA747985  Mentzelia involucrata Scott D. White, Justin M. Wood 2009-4-29 12620 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA776135  Mentzelia involucrata Duncan S. Bell, Amanda Turek 2010-4-10 807 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SBBG28080  Mentzelia involucrata D. Myrick 1964-4-30 831 Riverside Pines to Palms Hwy 74, 12 mi W of Palm Desert 1066 Comment
  UCR104031  Mentzelia involucrata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2737 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  RSA4941  Mentzelia involucrata var. megalantha Carl B. Wolf 1932-4-27 3056 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  UCR82272  Mentzelia longiloba var. longiloba J. M. Stewart 1994-3-15 823 Riverside eastern Colorado Desert, Interstate 10 and Hwy 78; along freeway in Blythe. Comment
  RSA0126945  Mentzelia longiloba var. longiloba P. A. Munz, R. D. Harwood 1920-4-3 3580 Riverside Ford's Well west of Blythe. 305 Comment
  RSA526513  Mentzelia micrantha Steve Boyd, T. S. Ross 1990-5-11 4707 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR104003  Mentzelia obscura George K. Helmkamp 1998-4-4 3145 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  CHSC1024  Mentzelia veatchiana V. Holt 1935-4-16 Riverside San Jacinto Mountains. Comment
  UC1929951  Mentzelia veatchiana Scott D. White, Justin Wood 2008-6-16 12133 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UCR112390  Mesembryanthemum nodiflorum A. C. Sanders, K. C. Rose 1998-5-21 21853 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  CAS-BOT-BC226249  Microseris douglasii subsp. douglasii A. C. Sanders; T. B. Salvato 2011-4-1 38936 Riverside Peninsular Range: Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR121813  Microseris douglasii subsp. douglasii A. C. Sanders, Carolyn Washburn 2001-4-17 24049 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  RSA525444  Microseris douglasii subsp. platycarpha Steve Boyd, David E. Bramlet 1990-4-29 4489 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  UCR250112  Microseris douglasii subsp. platycarpha A. C. Sanders 2014-4-23 41064 Riverside Peninsular Range, Baker St. NW of Lake Elsinore, near Alberhill Mtn., 1.45 km NW of Hwy 74 385 Comment
  RSA263703  Microseris heterocarpa E. W. Lathrop 1968-5-8 7023 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA586495  Microseris heterocarpa D. L. Banks, S. D. Boyd 1995-5-9 0326 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
  RSA656545  Microseris heterocarpa A. C. Sanders 2000-5-25 23407 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR213305  Microseris heterocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37702 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  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
  UCR230786  Microseris heterocarpa A. C. Sanders, Nathan Moorhatch 2011-3-22 38784 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, Menifee Valley, south of Ethanac Rd. between Trumble Rd. and 215 Fwy 436 Comment
  RSA586873  Microseris lindleyi D. L. Banks, S. D. Boyd 1995-5-3 0292 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR241380  Microseris lindleyi T. B. Salvato, Mike Landers 2013-3-21 7385 B Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  RSA192024  Microsteris gracilis subsp. gracilis E. W. Lathrop 1960-3-11 4656 Riverside 5 miles west of Murrieta. Comment
  RSA0018790  Mimetanthe pilosa Scott D. White, Angelia Carey 2004-6-4 10472 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA0018771  Mimetanthe pilosa Philip A. Munz 1922-6-30 5913 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  POM8484  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2294 Riverside Butte west of Lakeview. 610 Comment
  UCR91463  Mimulus aurantiacus var. pubescens Scott D. White 1995-3-30 2668 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA60830  Mimulus aurantiacus var. puniceus Frank W. Gould 1944-4-5 2226 Riverside 17 mi. east of Temecula. Comment
  UC1563089  Mimulus aurantiacus var. puniceus Steve Boyd 1986-3-1 1362 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  JOTR33997  Mimulus bigelovii var. bigelovii La Doux, Tasha, M. Harding 2010-4-7 2885 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  HSC86250  Mimulus brevipes Jane Hildreth 1981-6-4 28 Riverside 5 mi. S of banning along Hwy. 243, San Jacinto Mtns. 1067 Comment
  IRVC26260  Mimulus brevipes A. C. Sanders, D. Malueg 2003-5-8 26565 Riverside 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 Perris-Aguanga Basin region 396 Comment
  UCR217640  Mimulus diffusus Jeff B. Galvin 2010-6-26 121 Riverside Santa Ana Mountains, Ridge between Bedford Canyon and McBride Canyon, 50 m northwest of road, Bedford Motorway, on steep northwest-facing slope 839 Comment
  UC886151  Mimulus fremontii var. fremontii Carl B. Wolf 1932-8-6 3996 Riverside 2.9 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  RSA701359  Mimulus guttatus Steve Boyd, Aydee Virgen 2004-4-13 10872 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC454795  Mimulus guttatus I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  UCR111599  Mimulus guttatus Mitch Provance 1998-4-8 1774 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCR174626  Mimulus guttatus Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges; San Jacinto Mtns., Stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  JEPS10766  Mimulus inodorus W. L. Jepson 1903-8-8 2300 Riverside Tauquitz Valley San Jacinto Mt. 2286 Comment
  POM12787  Minuartia douglasii P. A. Munz 1922-6-23 5773 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  CAS-BOT-BC502090  Mirabilis laevis A. C. Sanders; Jim Malusa 2015-9-10 41860 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its jct with Summit Rd in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mtns Aerial Gunnery Range 480 Comment
  POM214538  Mirabilis laevis var. crassifolia Joseph A. Ewan 1932-4-8 7041 Riverside Whitewater Canyon, about 3 miles above mouth. Comment
  POM9007  Mirabilis laevis var. crassifolia P. A. Munz, R. D. Harwood 1920-3-20 3400 Riverside 5 miles S of Corona 305 Comment
  CAS-BOT-BC434816  Mirabilis laevis var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside 1 mi. below Cottonwood Springs, Joshua Tree National Monument. Comment
  CAS-BOT-BC434831  Mirabilis laevis var. retrorsa H. M. Hall 1905-4-1 5798 Riverside Colorado Desert. 10 mi. west of Coachella. 91 Comment
  UCD98198  Mirabilis laevis var. retrorsa Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-26 471 Riverside Upper portion ACC road, Andreas Canyon, east slope San Jacinto Mts. 396 Comment
  CAS-BOT-BC384087  Mirabilis laevis var. villosa Peter H. Raven 1960-3-16 14844 Riverside 2.2 miles west of Desert Center Comment
  RSA408760  Mohavea confertiflora Robert Gustafson 1980-4-3 1518 Riverside Orocopia Mountains, about 15 miles E of Mecca on Box Canyon road, thence about 2 miles S along dirt road 579 Comment
  SBBG97163  Mohavea confertiflora W. L. Halvorson 1977-2-5 77 -12 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  JOTR29181  Mollugo cerviana La Doux, Tasha 2003-9-24 1258 Riverside Joshua Tree National Park. Queen Mountain, Trail to Barker Dam (stop 1) 1296 Comment
  UCR87935  Mollugo cerviana A. C. Sanders 1994-6-2 14629 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  RSA83412  Monardella australis subsp. australis F. W. Peirson 1924-7-27 4993 Riverside Near lower part of Deer Springs, Dark Canyon, San Jacinto Mts. 2591 Comment
  UC25504  Monardella australis subsp. australis H. M. Hall July, 1901 2486 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  CAS-BOT-BC220030  Monardella breweri subsp. lanceolata H. M. Hall 1901-7-1 2527 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  LA96111  Monardella nana Elizabeth McClintock; 1940-5-26 11 Riverside about 1.5 mi. W of Pinon Flats, Pines to Palms Highway Comment
  SDSU7373  Monardella nana R. Harvin 1962-7-28 37 Riverside 2286 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
  RSA768324  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 44 Riverside 5 miles from turnoff to Anza Tablet. After crossing narrow valley, passing ranch house, crossing sluggish stream, and going through second gate. Comment
  UCR110995  Monardella nana subsp. arida George K. Helmkamp 1998-6-27 4111 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA797240  Monardella odoratissima subsp. australis Robert F. Thorne, Walter Wisura 1977-9-17 50769 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR17343  Monolepis nuttalliana O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  CAS-BOT-BC349802  Monoptilon bellioides Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  POM41981  Monoptilon bellioides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SEINET10800992  Monoptilon bellioides David B. Dunn 1948-3-14 Dunn 3773 Riverside Found in flat open sands near Hidden Springs Ranch 5 miles south of the Indio Hills in the Colorado Desert. Comment
  RSA254372  Montia fontana E. W. Lathrop 1975-5-4 5450 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Burro, 3.0 miles W of Murrieta. Comment
  UCR113153  Muhlenbergia microsperma A. C. Sanders 1998-3-11 21689 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north side of Diamond Valley, along high water road of reservoir under construction 549 Comment
  UC38274  Muhlenbergia rigens H. M. Hall Jun 1 1901-Jul 1 1901 2427 Riverside Tauquitz Valley San Jacinto Mountains 1889 Comment
  RSA0010810  Myoporum laetum A. C. Sanders 2003-1-14 25664 Riverside San Bernardino Valley Region: Louis Rubidoux Nature Center, Santa Ana River. 220 Comment
  UCR113629  Myosurus minimus June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  SD140016  Myosurus minimus var. apus Andy C. Sanders 1993-4-5 13691 Riverside Western edge of hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) 459 Comment
  UCR269904  Myosurus minimus var. apus D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3663 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  SD9581  Myriopteris viscida S. B. Parish, W. F. Parish Mar 1881 Riverside Whitewater, desert side of San Bernardino Mountains Comment
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Jan 14 2010
  RSA0121058  Nama demissa Duncan S. Bell, Thomas Stoughton 2016-3-16 8944 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA421107  Nama demissa Chas. Gabriel 1926-2-20 238 Riverside Rincon [R. Village, Andreas Canyon] Comment
  UC24130  Nama demissa var. demissa W. G. Wright 1889-1 1761 Riverside Colorado Desert Comment
  SD146244  Nama stenocarpa Andy Sanders, D. Bramlet et al 1999-10-15 23173 Riverside San Jacinto Valley; Mystic (San Jacinto) Lake, 1.4 mi southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi south of Eden Hot Spr., gental slope on dried lake bed, scattered along lakeshore for nearly 1 km (mak 10/07) 433 Comment
  CAS-BOT-BC259973  Nassella lepida I. M. Johnston 1917-6-5 1301 Riverside Hills S of Arlington 365 Comment
  SBBG89095  Nassella pulchra B. Pitzer, K. Kirtland 1986-3-6 200 Riverside N side of Pauba Valley, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  SD146190  Navarretia atractyloides Andy C. Sanders 2000-5-25 23425 Riverside Menifee Valley; S of Newport Road and E of Bradley Road, 2 miles due East of Railroad Canyon Lake 438 Comment
  RSA785182  Navarretia fossalis D. E. Bramlet 1993-5-8 2347 Riverside San Jacinto Valley, 7.2 km west of Hemet, 183 m north of Stowe Rd. and 610 m south of Setson Ave.,120 m east of California Ave. and 152 m west of the MWD canal. 456 Comment
  UCR114959  Navarretia fossalis Fred M. Roberts 1992-4-25 4871 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  SDSU13949  Navarretia intertexta Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2093 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  RSA468367  Navarretia prostrata Robert Gustafson, Gary D. Wallace 1983-6-23 2712 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  UC472774  Nemacaulis denudata var. gracilis P. C. Standley 1920-4-6 1376 Riverside in vupibus pr. Palm Springs; Colorado Desert 121 Comment
  RSA439263C  Nemacladus glanduliferus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  SEINET10458415  Nemacladus longiflorus Jepson 1901-5-17 JEPSON 1553 A Riverside Temecula River Comment
  UCR18530  Nemacladus longiflorus var. longiflorus A. C. Sanders 1978-6-20 00259 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  RSA0126315  Nemacladus longiflorus var. longiflorus Charlotte M. Wilder 1905-05 s.n. Riverside Wilders Canyon, Riverside. Comment
  SEINET10840521  Nemacladus rubescens Philip A. Munz, Charles L. Hitchcock 1928-4-3 Munz 10948 Riverside 10 miles northwest of Riggs Comment
  RSA28048B  Nemacladus tenuis var. aliformis I. L. Wiggins 1941-3-27 9671 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA0119739  Nemacladus tenuis var. aliformis Duncan Bell 2011-3-19 2062 Riverside West side of the Chuckwalla Mountains; north of Red Cloud Mine Road; approximately 1 air mile southwest of Lost Pony Mine. 599 Comment
  RSA98809A  Nemacladus tenuis var. aliformis P. A. Munz 1926-1-31 9979 Riverside Palm Springs. [Dos Palmas Spring] Comment
  OBI42757  Nemophila menziesii Roberta H. Smith 1969-4-12 2 Riverside Box Springs mts, NW slope of hill, SE of UCR 366 Comment
  RSA783625  Nemophila menziesii J. D. Olmsted 1962-5-3 3479 Riverside on Baldy Mountain along Pines to Palms Hwy, 1.5 miles S of 4936 summit south of Mt. Center 1311 Comment
  UCR16820  Nemophila menziesii S. M. Chambers 1970-5-9 19 Riverside Santa Rosa Mtns., State Hwy 74, 1 mi. west of Santa Rosa Mountain Road 1220 Comment
  UCR172809  Nemophila menziesii Abby Sirulnik 2000-4-13 10 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  RSA0059611  Nemophila menziesii 1917-4-4 Riverside Palm Canyon 762 Comment
  SBBG64770  Nemophila menziesii var. menziesii M. N. Ackley -Mar-1922 391 Riverside Murrieta Hot Springs 398 Comment
  POM157926  Nemophila pedunculata P. A. Munz 1927-5-21 10845 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  UCR33574  Nicotiana attenuata Sears 1978-3-16 804 Riverside Sonoran (Colorado) Desert, 10 mi north of Blythe along road to Midland. Foothills of Big Maria Mtns. 274 Comment
  CSUSB771  Nicotiana bigelovii Dick Bernier 1966-4-10 Riverside Found along the road in a ditch just before you enter the dirt road to the Santa Ana Mountains from Murrieta. 548 Comment
  RSA426748  Nicotiana clevelandii Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  UC570705  Nicotiana clevelandii H. L. Mason 1928-3-10 4211 Riverside Hidden Springs; Coachella Mountains Comment
  RSA781023  Nicotiana clevelandii D. Silverman, Onkar Singh 2010-3-27 7861 Riverside McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd., and ca. 6 km N of Blythe Airport 131 Comment
  CAS-BOT-BC231678  Nicotiana glauca Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Along road from Idyllwild to desert Comment
  UCR97268  Nicotiana glauca Scott D. White 1995-4-5 2762 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA662146  Nicotiana glauca Stephen Hill 1981-2-16 34 Riverside Coal Canyon behind horse stables on N side of the 91 freeway. Comment
  JEPS12227  Nicotiana obtusifolia W. L. Jepson 1901-5-22 1409 Riverside near Mt. San Jacinto (Palm Canyon); Palm Canyon Comment
  SBBG32354  Nicotiana obtusifolia L. S. Rose 1967-12-19 Riverside La Quinta 15 Comment
  UC1922385  Nicotiana obtusifolia Michael Honer with L. Hulse 2004-4-2 1875 Riverside Colorado Desert; Little San Bernardino Mountains Region: Blind Canyon; approx. 1/2 mi N of Desert Hot Springs. Comment
  UCR202039  Nicotiana obtusifolia Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  RSA0018754  Nicotiana obtusifolia I. M. Johnston 1917-4-4 s.n. Riverside Colorado Desert: Palm Canyon. 305 Comment
  RSA688837  Nicotiana quadrivalvis Scott D. White, Michael Honer 2003-6-17 9543 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR24804  Nierembergia hippomanica George K. Helmkamp 1981-5-20 s.n. Riverside Transverse Range/Sonoran (Colorado) Desert, Dry Morongo Wash, 100 yards downstream from the bridge at the San Bernardino County Line 732 Comment
  POM229028  Nolina parryi Philip A. Munz 1937-5-29 15156 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA11601  Nolina parryi C. Epling, William Robison 1933-6-26 s.n. Riverside Little San Bernardino Mountains: Key s View [Salton View]. 1524 Comment
  UCR129868  Notholaena californica subsp. californica P. A. Munz 1921-12-31 4704 Riverside Sonoran (Colorado) Desert, Andreas Canyon 427 Comment
  CHSC13600  Oenothera cespitosa subsp. marginata C. Steen 1974-4-9 29 Riverside Found ca. 50 yds. off Date Palm Drive, ca. 2 mi from junction with Hwy. 111. Comment
  CLARK-A1528-670  Oenothera deltoides Charlotte Stocks 1962-5-18 Riverside Coachella Valley Comment
  UCR249665  Oenothera deltoides T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7302 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
  RSA146019  Oenothera deltoides subsp. deltoides William M. Klein, David P. Gregory 1958-2-14 147 Riverside Along U.S. hwy 60-70 on Palo Verde Mesa, west of Blythe. Comment
  JOTR35316  Oenothera primiveris subsp. bufonis Kain, Katie, C. Veety 2012-2-29 s.n. Riverside Joshua Tree National Park. Pinto Wash; eastern Eagle Mountains, large wash south of dunes and north of basalt outcrops 320 Comment
  CAS-BOT-BC427463  Oligomeris linifolia A. J. McC 1892-5-1 58 Riverside Collected near Elsinore Comment
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Oct 15 2018
  RSA4934  Oligomeris linifolia Carl B. Wolf 1932-4-27 3063 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA0042209  Olneya tesota Joseph Brehm 2014-7-21 s.n. Riverside Collected along Dos Palmas Road, 0-0.5 miles northwest from intersection with Desertaire Road. Comment
  UCR235512  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11- 61 Riverside French Valley, immediately northeast of Hwy 79 and the intersection with Algarve Avenue 415 Comment
  RSA0097548  Opuntia basilaris var. basilaris Marc A. Baker, Michelle Cloud-Hughes 2015-7-14 18416 Riverside 1. km north of the historic site of Whitewater, 16 km NW of central Palm Springs. 474 Comment
  RSA296173  Opuntia basilaris var. basilaris B. A. Prigge 1980-8-5 3858 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  RSA247286  Opuntia bigelovii C. B. Wolf 1932-10-12 4301 Riverside Northwest end of Pinto Basin, about 4 mi east of El Dorado Queen Mine. 915 Comment
  POM278511  Opuntia polyacantha var. erinacea H. G. Rush 1950-5-10 122 Riverside Santa Rosa Mountain Range. 7 miles northwest of Nightingale, on Palms to Pines Highway. 1524 Comment
  UC1618001  Orobanche bulbosa Donald G. Nelson 1936-5-21 369 Riverside e of Lake Hemet (just n of meadow in valley just e of Hurkey Creek Camp area, n of Mount Thomas, San Jacinto Mountains); San Jacinto Mountains Comment
  CAS-BOT-BC502860  Orobanche cooperi subsp. cooperi Alice Eastwood 1913-4-30 3099 Riverside Palm Springs (label is printed San Bernardino County Comment
  RSA0066539  Orobanche cooperi subsp. cooperi Frank W. Peirson 1917-4-1 1176 Riverside Near Palm Springs, Coachella Valley. Comment
  UCSB7507  Orobanche corymbosa Ralph, F. 1959-5-17 Riverside Pines to Palms Hwy. (74) about 6.7 miles south of Pinon Flats Campground, San Jacinto Mtns. 1371 Comment
  SDSU4804  Osmadenia tenella H. Wedberg 1994-5-23 936 Riverside 4.8 miles from Hwy. 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UC1333287  Osmadenia tenella Charles B. Fiker 1946-6-17 3591 Riverside San Mateo Canyon Comment
  UCR241218  Osmorhiza brachypoda Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 245 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UC219562  Oxytheca emarginata P. A. Munz 1922-6-24 5793 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1432 Comment
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Mar 25 2011
  UCR18187  Oxytheca emarginata A. C. Sanders 1978-4-30 865 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  UC1287050  Paeonia californica C. L. Hitchcock 1966-3-15 24165 Riverside about 10 mi ne Temecula Comment
  UCR136896  Palafoxia arida Michael D. Wilcox 2003-6-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Oasis 152 Comment
  UC583283  Palafoxia arida var. arida Lewis S. Rose 1936-1-1 36003 Riverside L. A. Aqueduct Road 15 mi n Indio; Colorado Desert 304 Comment
  UCD90128  Panicum urvilleanum W. A. Williams 1958-1-28 s.n. Riverside 1 mile S of Whitewater. Comment
  SD186275  Papaver californicum F. C. Vasek 1978-5-6 Riverside San Jacinto Mountains; Bautista Canyon, ca. 4.0 miles by road, southsoutheast of Valle Vista. 671 Comment
  CLARK-A1528-4392  Parietaria floridana John C. Roos 1959-3-19 5401 Riverside Box Springs Mountains 396 Comment
  UCR260248  Parietaria hespera A. C. Sanders, Jim Malusa 2015-3-10 41385 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  JOTR30675  Parietaria hespera var. hespera La Doux, Tasha, Jim Andre 2008-3-21 139 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  RSA621901  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2905 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  RSA796751  Parietaria hespera var. hespera Jim Andre 2012-4-11 20838 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UCR113896  Parietaria hespera var. hespera Mitch Provance 1998-4-14 439 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  UCR260591  Parietaria hespera var. hespera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41551 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., opposite So. Cal. Edison Ivy Glen Substation, Temescal Valley at mouth of Mayhew Canyon, west of the I-15 crossing of Temescal Canyon Rd., north of massive mining operation, 0.6 km SE (101 deg. ) of Temescal Fire Station 329 Comment
  SBBG89555  Parkinsonia aculeata J. Adams 1965-5-9 211 Riverside northern section of Palm Springs on Hwy 111 243 Comment
  PASA212  Parosela emoryi Florence Brubaker Riverside Thousand Palms Comment
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Mar 23 2019
  CDA8446  Pectis papposa G. D. Barbe, J. L. Johnson 1982-11-2 4021 Riverside 0.6 mile west of Coon Hollow campground on Bradshaw Trail. 0 Comment
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Apr 11 2013
  RSA0089248  Pectis papposa Ken Halama 2015-10-9 s.n. Riverside Perris Basin: Motte Reserve, c. 2.5 mi NW of Perris, eastern edge of the Gavilan hills. 542 Comment
  UCR167327  Pectis papposa Scott D. White, J. Wood 2005-9-27 11230 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  SEINET10799089  Pectis papposa Billy Joe Cox 1975-10-10 Cox 4209 Riverside Palo Verde, 1-3 km W, (ca. 32 km S of Blythe). Riverside-Imperial counties. 70 Comment
  UCR20973  Pectocarya anisocarpa A. C. Sanders 1980-5-2 1432 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA682856  Pectocarya heterocarpa Scott D. White 2003-3-20 8828 Riverside Immediately north of the I-10 / Jefferson Av. freeway interchange. 12 Comment
  UCR163921  Pectocarya heterocarpa A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29133 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA645674  Pectocarya linearis Scott D. White 1999-5-2 7293 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  UCR180352  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  SBBG63475  Pectocarya linearis subsp. ferocula M. N. Ackley 1928-4-4 58 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SEINET6060686  Pectocarya penicillata Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR139716  Pectocarya platycarpa B. G. Pitzer 1989-4-16 1306 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 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
  UCR214882  Pectocarya platycarpa A. C. Sanders 2010-3-15 37396 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR249830  Pectocarya platycarpa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7313 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR74399  Pectocarya platycarpa Theo Glenn 1992-3-31 92 16 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  POM368817  Pectocarya recurvata F. R. Fosberg 1932-3-13 10628 Riverside Thousand Palm Canyon, Coachella Valley 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
  RSA775402  Pectocarya recurvata Duncan S. Bell 2011-4-10 2248 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  RSA509566  Pedicularis densiflora John Adams 1966-4-30 s.n. Riverside 3 mi. above De Luz on dirt road. 915 Comment
  POM90995  Pedicularis densiflora E. C. Jaeger 1922-12-22 s.n. Riverside Aguanga. Comment
  SBBG283  Pellaea mucronata H. and M. Dearing 1936-12-26 2920 Riverside head of Palm Cyn; Palms to Pines Hwy 1219 Comment
  UCR12629  Pellaea mucronata I. G. Rauch 1968-4-25 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Tenaja Rd near Murrieta 549 Comment
  UCR25363  Pellaea mucronata John C. Roos 1952-5-7 5616 Riverside Box Springs Mountains north of Canyon Crest Heights 457 Comment
  JEPS20693  Pellaea mucronata var. mucronata Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6206 -A Riverside ca. 2 mi w of Ribbonwood (above CA Hwy 74 (Palms to Pines)); San Bernardino Nat'l Forest, sw base Santa Rosa Mts 1371 Comment
  POM145482  Pellaea mucronata var. mucronata Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
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Oct 9 2010
  SD227704  Pennisetum setaceum A. C. Sanders 1994-5-15 14485 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River 399 Comment
  SBBG95104  Penstemon centranthifolius S. D. White 1990-7-12 Riverside E Millard Cyn 1158 Comment
  UC1043379  Penstemon centranthifolius Richard M. Straw 1953-6-25 488 Riverside Santa Rosa Mountain Road , Santa Rosa Mountain Road (from Palms to Pines Hwy) 1676 Comment
  UCR107743  Penstemon centranthifolius D. L. Banks 1997-5-5 1977 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 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
  RSA0006116  Penstemon clevelandii subsp. mohavensis M. French Gilman 1926-5-9 A 2 Riverside Keyes [Keys] Ranch, southern edge of Mohave Desert. 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
  UC27405  Penstemon rostriflorus H. M. Hall 1898-6-25 940 Riverside Van de Venter's San Jacinto Mountains, , Van de Venter's (El Toro Mt.) 1356 Comment
  OBI35637  Penstemon spectabilis Norman C. Cooper 1944-6-17 1422 Riverside San Jacinto Mtns above Banning 1067 Comment
  RSA33812  Penstemon spectabilis N. C. Cooper 1944-6-4 1322 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  UCR174029  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32498 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
  SEINET238564  Penstemon spectabilis var. spectabilis George K. Helmkamp 1998-6-27 4085 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  RSA0066104  Pentagramma triangularis Scott D. White, Tasha LaDoux 2000-4-20 7677 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA0070717  Pentagramma triangularis Scott D. White, Angelia Carey 2004-4-5 9986 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET10793779  Pentagramma triangularis subsp. triangularis George Yatskievych 1981-4-25 Yatskievych 81 -141 Riverside Ca. 0.6 mile NE of El Carizo, overlooking Lake Elsinore, off State Highway 74. T06S R05W S16 - NE4. 808 Comment
  SEINET7248311  Peritoma arborea Duncan S. Bell, LeRoy Gross 2014-1 6282 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  CAS-BOT-BC73772  Peritoma arborea var. arborea Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well Comment
  JOTR31862  Peritoma arborea var. arborea La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2118 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  OBI26015  Perityle emoryi David J. Keil 1977-1-2 11930 Riverside Cactus City rest Area along I-10 E of Indio Comment
  RSA0081614  Perityle emoryi Jim M. Andre 2012-4-11 20833 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  SBBG65632  Perityle emoryi Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  SEINET3217334 Image available Perityle emoryi Teresa B. Salvato 2010-4-20 4057 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe. (MxCoy Peak 7.5 Q.) 183 Comment
  SEINET10800183  Perityle emoryi David B. Dunn 1971-2-22 Dunn 1971 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  RSA45532  Petalonyx linearis J. C. Roos, L. Roos 1949-4-6 4143 Riverside SE foot of Orocopia Mts, 2.5 miles NE of Dos Palmos Springs Comment
  JOTR30078  Petalonyx thurberi subsp. thurberi La Doux, Tasha, Bill Truesdell 2006-10-3 1718 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA535082  Petunia parviflora Steve D. Boyd 1991-5-30 6318 Riverside Murrieta area, Warm Springs Creek at NW end of the Hogbacks, S of Alamos Rd. 396 Comment
  UCR92284  Petunia parviflora Scott D. White, Steve Ogg 1994-10-17 2462 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  POM259711  Peucephyllum schottii P. A. Munz 1940-3-23 15664 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  SEINET10801061  Peucephyllum schottii David B. Dunn 1948-2-21 Dunn 3664 Riverside Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. On steep banks of wash, clay. Comment
  UC702010  Phacelia Frank W. Gould 1943-4-17 2129 Riverside 4 mi e Elsinore Comment
  UCR265843  Phacelia Mitch Provance 2012-5-24 512- 27 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  POM48900  Phacelia brachyloba P. A. Munz 1924-7-29 8848 a Riverside 7 mi SE of Poppet Flat, San Jacinto Mts. 1524 Comment
  RSA427683B  Phacelia brachyloba Christopher Davidson 1975-6-16 2814 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  UCR37457  Phacelia brachyloba Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  RSA314616  Phacelia campanularia Robert F. Thorne 1983-4-23 55465 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA427708B  Phacelia campanularia Ora M. Clark 1929-2-23 1588 Riverside North Whitewater. Comment
  UCR101787  Phacelia cicutaria var. hispida George K. Helmkamp, E. A. Helmkamp 1997-3-5 1320 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR135854  Phacelia cicutaria var. hispida A. C. Sanders 2004-4-20 27575 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  SD134446  Phacelia ciliata Craig Reiser 1991-4-30 Riverside Southeast of Lake Perris near the San Jacinto River Comment
  SEINET2042416 Image available Phacelia crenulata B. Pitzer 1998-2-1 3442 Riverside Hayfield Spring Quad 7.5': Hayfield Dry Lake, alluvial fan on N side of lakebed, from paved road lakebed. 427 Comment
  SEINET4681882  Phacelia crenulata C. Davidson 2010-4-1 11657 Riverside Highway 168 to Joshua Tree National Park, about 1 mile from I-10.; 0 515 Comment
  RSA0118003  Phacelia crenulata var. ambigua Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7625 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UCD120369  Phacelia crenulata var. ambigua P. C. Everett; E. K. Balls 1958-4-29 23011 Riverside U.S. Hwy. 60/70, Indio to Blythe, 6.5 mi. e. from jct. with U.S. Hwy. 99. 243 Comment
  JEPS2384  Phacelia distans Carl V. Meyer 1929-6-13 753 Riverside Chalk Hill San Jacinto Mts. (sw slope) 1524 Comment
  POM199146  Phacelia distans Donald A. Johansen, Joseph A. Ewan 1932-4-11 7067 Riverside Mouth of Tahquitz Canyon. Comment
  RSA348920  Phacelia distans Robert F. Thorne 1963-3-29 32403 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA517927  Phacelia distans Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1356 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  RSA601108  Phacelia distans A. C. Sanders 1996-5-1 18097 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  RSA676144  Phacelia distans Scott D. White 2001-4-12 8296 Riverside Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA699150  Phacelia distans J. R. Bruff 1928-4-2 117 Riverside Canyon wash west of Morango Comment
  SD152827  Phacelia distans Steve Boyd, Orlando Mistretta 1992-4-23 7069 Riverside 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
  SD217310  Phacelia distans Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 938 Riverside Northwest Palomar Mountains; northwest foothills of Dorland Mountain, south end of Los Caballos Road, University of California-Emerson Oaks Reserve. 448 Comment
  UCR180601  Phacelia distans Scott D. White, Angelia Carey 2004-4-5 10016 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR94238  Phacelia distans Scott D. White 1996-4-14 3902 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
  RSA182344  Phacelia minor J. D. Olmsted 1962-5-2 3439 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  UCR162642  Phacelia minor S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR174077  Phacelia minor A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32591 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UC1719473  Phacelia parryi D. Atwood 1993-3-26 17672 Riverside 3 mi N of I-10 along Hwy 62 toMorongo Valley Comment
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Dec 18 2016
  RSA6102  Phacelia ramosissima var. latifolia Carl B. Wolf 1932-5-24 3642 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  RSA599129  Phalaris minor V. W. Steinmann, D. L. Banks 1996-4-20 840 Riverside ca. 10 km east of Temecula, along Route 79 at the junction with Los Caballos Road., ca. 33?29'N, 117?02' 30''W 375 Comment
  SD128015  Phleum alpinum Michael Curto 1989-8-6 599 Riverside San Jacinto Mts, Fuller Ridge Trail, at springy N headwaters of Fuller Mill Cr. 2695 Comment
  UC729902  Phleum alpinum Carl B. Wolf 1932-8-5 3956 Riverside 1st real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak head of a fork of Tahquitz Creek; San Jacinto Mts., head of fork of Tahquitz Creek 2743 Comment
  UCR110970  Phlox austromontana George K. Helmkamp 1998-6-27 4107 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  SD181808  Phoenix canariensis Scott D. White 2000-10-24 8139 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UC63810  Pholistoma membranaceum H. M. Hall 1897-4-17 447 Riverside Banning Comment
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Mar 13 2011
  UCR84882  Pholistoma membranaceum A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16119 Riverside Coachella Valley, NW end of valley, wash east of Hwy 62 and south of Indian Ave, 0.45 mi south of Indian on Worsley Rd 500 Comment
  RSA552751  Pholistoma racemosum Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6737 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman s Camp. 366 Comment
  LA209905  Phoradendron bolleanum D. Dunn; 1941-1-12 671 Riverside Santa Rosa Mountains, Palms to Pine hwy, 15 mi from Palm Springs Comment
  NY42611  Phoradendron bolleanum J. B. Walker 1995-3-21 1268 Riverside W of Palm Desert, along Hwy 79, 3km E of Pinyon Flat Campground 1200 Comment
  SBBG1369  Phoradendron bolleanum H. and M. Dearing 1940-11-11 5020 Riverside Morongo Cyn Comment
  LA209834  Phoradendron californicum A. M. Johnson; 1932-3-20 3905 Riverside Indian Wells, below Palm Springs Comment
  NY43290  Phoradendron californicum C. R. Annable 1995-3-15 2281 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  RSA770423  Phoradendron californicum Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4878 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UC1194595  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Keen Camp and Palm Springs (State Hwy 74); State Hwy 74 Comment
  UC1194633  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near junction of rd. from s. end with U.S. 60 & 70 Joshua Tree Nat'l Monument; Colorado Desert, Joshua Tree Nat'l Monument 152 Comment
  RSA0020378  Phragmites australis Duncan S. Bell, Keir Morse 2013-3-30 4664 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  RSA615382  Phyla nodiflora A. C. Sanders, L. Ard 1994-7-11 15059 Riverside Cherry Valley, irrigated landscaping at the Edward-Dean Museum, Oak Glen Rd. 1 mi. N. of Orchard St. 1000 Comment
  RSA0031611  Physalis crassifolia Jim Andre 2013-3-27 24816 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA0094187  Physalis crassifolia Duncan S. Bell, Evan Meyer 2014-10-29 7686 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
  RSA600123  Physalis crassifolia Louis C. Wheeler 1959-12-27 7640 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA79899  Physalis crassifolia J. Ewan 1931-4-2 4089 Riverside Moist sand under Smoke Trees; 2 mi. north of Oasis. Comment
  UCR123818  Physalis crassifolia Steven R. Hill 2001-5-3 33671 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR260294  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-9 41363 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UC184  Pinus coulteri W. H. Brewer 1861-1-22 136 Riverside 75 mi se of Los Angeles (dry slopes of Santa Ana Range near Temescal); Temescal, Santa Ana Range Comment
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Jul 6 2010
  CAS-BOT-BC78596  Pinus flexilis Winifern W. Swarth 1915-9-10 s.n. Riverside Ridge west of Tahquitz Valley (highest point on Strawberry Valley trail), San Jacinto Mts. 2438 Comment
  UCSB83  Pinus lambertiana Bobkowski, Jr., Vincent 1960-5-14 Riverside Black Mountain Camp, San Bernardino National Forest, San Jacinto Mountains Comment
  RSA741587  Pinus monophylla Scott D. White, Justin M. Wood 2008-6-17 12187 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  SFV268  Pinus monophylla M. L. Vincent, R. H. Swade 1963-10-19 440 Riverside Roadside on California state Highway 74, near the road to Pinyon Flat. 1220 Comment
  CAS-BOT-BC72837  Pinus quadrifolia B. D. Stark 1931-8-29 1324 Riverside Vandeventer Flat, San Jacinto Mts. 1371 Comment
  SEINET4457293  Pinus quadrifolia H. H. Smith 1912-1 5478 Riverside Comment
  RSA562457  Piperia cooperi Steve Boyd, Timothy S. Ross 1992-5-5 7232 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  RSA645633  Plagiobothrys canescens Scott D. White 1999-5-2 7282 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  RSA736297  Plagiobothrys canescens Scott D. White, Jamie Minor 2008-3-13 11768 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  UCR20688  Plagiobothrys canescens 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
  UCR250114  Plagiobothrys canescens A. C. Sanders 2014-4-9 40998 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  UCSB45601  Plagiobothrys canescens Roos, John 1952-4-16 Riverside Pigeon Pass, Box Springs Mts. 396 Comment
  SEINET272158  Plagiobothrys collinus A. C. Sanders 1997-3-1 19757 Riverside E side of Pigeon Pass Valley ca. .5 mi. NW of Lawless Ranch E of Hidden Springs Rd. intersection with Pigeon Pass Rd. 579 Comment
  UCR139163  Plagiobothrys collinus S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR167437  Plagiobothrys collinus John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR225739  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38887 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  UCR18160  Plagiobothrys jonesii A. C. Sanders 1978-3-19 00216 Riverside Santa Rosa Mtns/Colorado Desert, Deep Canyon Reserve, along the Worley Trail just above the Research Center 427 Comment
  POM13594  Plagiobothrys leptocladus P. A. Munz 1922-5-5 5159 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  POM368988  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside near Perris Comment
  UCR21032  Plagiobothrys leptocladus A. C. Sanders, Steve Boyd 1980-5-19 1480 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UC72057  Plagiobothrys tenellus Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR101381  Plagiobothrys tenellus A. C. Sanders 1997-4-10 20321 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR266778  Plagiobothrys tenellus Mitch Provance, Matt Amalong 2015-3-25 315- 24 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
  RSA613132  Plantago erecta D. L. Banks 1997-3-6 1402 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. 'Fiesta Grounds', east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  RSA615133  Plantago erecta A. C. Sanders, G. K. Helmkamp 1997-3-15 19970 Riverside Lake Skinner area, lower Rawson Canyon, along the dirt road toward Bachelor Mtn 457 Comment
  SEINET272151  Plantago erecta A. C. Sanders 1997-3-1 19740 Riverside Riverside: Box Springs Mtns. S end of the range along Gernert Rd. in valley draining to Box Spring Cyn. UTM 10km cell: 457 Comment
  UCR107708  Plantago erecta A. C. Sanders 1997-3-1 19740 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
  UCR226077  Plantago erecta A. C. Sanders, T. B. Salvato 2011-4-1 38946 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  RSA401954B  Plantago lanceolata N. C. Cooper 1944-5-6 1180 Riverside Banning. On lawn at 99 Motel. 701 Comment
  POM158198  Plantago lanceolata P. A. Munz, I. M. Johnston 1928-9-6 11281 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  SD227868  Plantago ovata Scott D. White, Pam Devries 1998-2-9 6085 Riverside La Quinta / Palm Desert area: Whitewater River Channel at and near Miles Ave. crossing. USGS La Quinta 7.5' quad. 17 Comment
  RSA402277  Plantago ovata var. fastigiata A. N. Dunn 1932-3-26 s.n. Riverside Coachella Comment
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May 24 2012
  RSA457801  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2198 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCD124533  Plantago ovata var. fastigiata Francis M. Ball 1964-2-15 66 -22 Riverside At 1000 Palms. Comment
  UCR178277  Plantago patagonica Mitch Provance, Tracy Tennant 1998-6-16 MOR- 380 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UCR84590  Plantago patagonica Scott D. White, S. Ogg 1994-4-21 1972 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  JEPS98073  Platanus racemosa D. Wilken with E. Painter 2000-11-4 15871 Riverside Chico Canyon, near end of road to Tramway base San Jacinto Mountains 900 Comment
  UCR116914  Platystemon californicus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23957 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  RSA206494  Plectritis ciliosa subsp. insignis E. W. Lathrop 1969-5-8 7018 Riverside Los Alamos Canyon near junction of San Mateo Canyon, Clevland National Forest, Trabuco district 518 Comment
  JOTR32119  Pleuraphis rigida La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2277 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
  UC1979868  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 803 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Chuckwalla Mountas, North side, Alligator ACEC off I-10, south of Desert Center, in hills above Granite Mine. Comment
  RSA5370  Pleurocoronis pluriseta B. D. Stark 1932-6-17 3751 Riverside Canyon above Cottonwood Springs, Eagle Mts., Colorado Desert 305 Comment
  SBBG87786  Pleurocoronis pluriseta A. C. Sanders, B. Pitzer 1986-3-3 6139 Riverside N foot of Chuckwalla Mtns, 2.75 air mi SE of Desert Center 365 Comment
  CAS-BOT-BC326545  Pluchea sericea H. S. Gentry 1954-7-25 14248 Riverside Aguanga Comment
  POM319673  Pluchea sericea Patricia Wilder 1971-11-11 5305 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UC71021  Poa pratensis subsp. pratensis F. A. Blake 1901-6-2 Riverside Rayneta [Idyllwild] Comment
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May 26 2013
  UCR29264  Poa secunda A. C. Sanders, K. Berg 1980-5-1 1360 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UC147830  Poa secunda subsp. secunda H. M. Hall 1901-5-22 1137 Riverside s side of San Jacinto Mts 1524 Comment
  UCD91659  Poa secunda subsp. secunda Peter Kamb 1948-5-2 928 Riverside Upper Sonoran Zone. N slope of the San Jacinto Mountains, above Banning. 1066 Comment
  RSA192341  Polygala cornuta var. fishiae H. A. Zuill 1966-6-19 232 Riverside Cole Canyon, 1-2 miles WSW of Murrieta Comment
  UC219083  Polygonum bistortoides P. A. Munz 1922-7-6 6001 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  UC582893  Polygonum lapathifolium Philip A. Munz 1935-10-21 14653 Riverside below Rincon; Santa Ana River Comment
  POM259113  Polygonum sawatchense subsp. sawatchense P. A. Munz 1938-8-14 15359 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA689923  Polypodium californicum Norman C. Cooper 1947-4-5 2033 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UCR149993  Polypodium californicum Scott D. White, Angelia Carey 2004-4-16 10181 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UC70779  Polypogon australis H. M. Hall June 1900 1384 Riverside vicinity Riverside 304 Comment
  RSA526088  Polypogon interruptus Steve Boyd, Timothy S. Ross 1990-5-11 4661 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  CAS-BOT-BC72264  Polystichum imbricans subsp. curtum John Thomas Howell 1927-8-2 2932 Riverside top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  UCR146198  Polystichum imbricans subsp. curtum Gordon Marsh 1978-10-31 s.n. Riverside Santa Ana Mtns., Bear Spring 1209 Comment
  SEINET10793989  Polystichum imbricans subsp. curtum George Yatskievych, Kay McCrary 1984-7-30 Yatskievych 84 -119a Riverside 0.6 mile S of Fuller Mill Creek Picnic Grounds on state Route 243; granitic side ravine of North Fork of San Jacinto River. T04S R02E S26 NE4. 1676 Comment
  POM360758  Populus fremontii E. Crow 1929-4-21 334 Riverside North of Alberhill. Comment
  UCD135035  Porophyllum gracile William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR59707  Porophyllum gracile A. C. Sanders 1989-9-19 9501 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  UCR68618  Porophyllum gracile Steve Boyd, D. E. Bramlet 1990-4-29 4485 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  POM78961  Potamogeton foliosus I. M. Johnston 1925-7-7 s.n. Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  RSA788809  Potentilla glandulosa Robert F. Thorne, Walter Wisura 1977-9-17 50781 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA802090  Potentilla glandulosa Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4989 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR35171  Potentilla norvegica L. B. Ziegler 1971-9-8 428 Riverside San Jacinto Mtns., Hemet Lake 1341 Comment
  UCR63905  Proboscidea althaeifolia G. R. Ballmer 1990-8-21 s.n. Riverside Sonoran (Colorado) Desert, Palo Verde Valley, 5 mi. west of Hwy 78, on Bradshaw Trail Comment
  RSA0114927  Proboscidea louisianica Mitch Provance 2012-7-14 712 -24 Riverside San Gorgonio Pass: Banning, Smith Creek and adjacent alluvial terraces, north of Old Idyllwild Rd., and west of Hwy 243. Just NW of confluence of Smith Creek and Montgomery Creek. 689 Comment
  UCR278853  Proboscidea louisianica Mitch Provance 2012-7-14 712- 24 Riverside San Gorgonio Pass, Banning, Smith Creek and adjacent alluvial terraces, north of Old Idyllwild Rd., and west of Hwy. 243. 689 Comment
  CAS-BOT-BC206992  Prosopis glandulosa var. torreyana K. Larson 1975-4-24 74 -671 Riverside 10 mi. NE of Desert Center, Hwy 177, road to Rice Comment
  JEPS65604  Prosopis pubescens Marjorie D. Clary 1936-9-27 Riverside Colorado Desert, Coachella Coachella; Colorado Desert, Coachella Comment
  UCR17217  Prunella vulgaris D. Gordon 1952-6-23 s.n. Riverside Riverside Comment
  UCR179752  Prunus cerasifera Mitch Provance 1996-3-5 1076 Riverside Santa Ana River Wash, Anza Narrows Park 232 Comment
  SEINET10389801  Prunus fasciculata A. C. Sanders, Jim Malusa 2015-3-9 41366 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UC519873  Prunus fasciculata N. Dunn, A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  CLARK-A1528-819  Prunus fremontii 1968-4-14 18 Riverside San Jacinto Mountains 1066 Comment
  RSA628201  Prunus ilicifolia D. E. Bramlet 1999-4-10 2734 Riverside Bachelor Mountain. North facing slope 152m northwest of the peak on a steep, bouldery face of the mountain and within the large drainage area found on this slope, approximately 1.5km north of Lake Skinner. 726 Comment
  POM126246  Psathyrotes ramosissima Thos. Craig 1927-4-2 61 Riverside Canyon near Hidden Springs. Comment
  SBBG100841  Psathyrotes ramosissima W. L. Halvorson 1977-3-8 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SD234306  Pseudognaphalium beneolens R. E. Riefner Jr. 2006-9-14 06 432 Riverside Peninsular Range: Temecula, Temecula Valley, Hwy 79 at Old Town Front Rd. 305 Comment
  UCR174310  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32642 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
  UCR183017  Pseudognaphalium biolettii Mitch Provance 2003-5-5 4429 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA263656  Pseudotsuga macrocarpa E. W. Lathrop 1968-5-28 6920 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1220 Comment
  CAS-BOT-BC346364  Psorothamnus Marcus E. A M Jones 1925-9-7 s.n. Riverside Palm Spring Comment
  POM6512  Psorothamnus emoryi Philip A. Munz 1919-3-27 2355 Riverside Salton Sea Comment
  RSA134875  Psorothamnus emoryi L. S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
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Aug 18 2010
  UC1080457  Psorothamnus emoryi P. C. Everett and E. K. Balls 1958-4-29 23023 Riverside 5.3 mi ne from Desert Center (along road to Rice and Vidal Jct.); ne from Desert Center along road to Rice and Vidal Jct. 243 Comment
  UC56449  Psorothamnus emoryi F. Gilman 1902-1 Riverside Palm Springs Palm Springs (Southern California) Comment
  POM128978  Psorothamnus schottii E. E. Schellenger 12 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  UCR89647  Psorothamnus schottii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Hexie Mtns., along Ruby Lee Well Road. 823 Comment
  UCSB3065  Psorothamnus spinosus Keator, Glenn 1959-5-17 Riverside West edge of Colorado Desert between Palm Desert and Palm Springs Comment
  SEINET951772  Pteridaceae Scott D. White 1996-1 3832 Riverside Lakeview Mountains, N of Winchesster, at 'Maze Stone' Picnic Area 609 Comment
  SD158299  Pterospora andromedea Fritz Clark 1999-7-24 Riverside San Jacinto Mountains, Camp Marion, under pines 2438 Comment
  CAS-BOT-BC421252  Pterostegia drymarioides C. L. Hitchcock 1940-4-1 5909 Riverside 1 mi. below Cottonwood Spring, Joshua Tree National Monument. Comment
  UCR250907  Pterostegia drymarioides A. C. Sanders 2014-4-18 41023 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  JOTR16838  Purshia tridentata var. glandulosa Hogan, J. 1974-5-6 43 Riverside Joshua Tree National Park. LOWER COVINGTON FLAT PARKING AREA 1432 Comment
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Jun 9 2013
  SD128287  Purshia tridentata var. glandulosa R. Mitchel Beauchamp 1971-5-16 2423 Riverside Pinyon Flat Campgrounds, Santa Rosa Mountains 1500 Comment
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Feb 28 2014
  UC218157  Pyrola minor P. A. Munz 1922-9-6 6395 Riverside Round Valley, San Jacinto Mts. 2743 Comment
  UCR266607  Quercus Mitch Provance 2009-9-10 17426 Riverside San Bernardino Mountains, Banning, beneath SCE lines, about 0.95 mi N of the intersection of Florian St. and W Gilman 909 Comment
  UCR35009  Quercus X morehus L. B. Ziegler 1966-1 219 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area near May Valley 1555 Comment
  CAS-BOT-BC86598  Quercus X munzii Robert F. Thorne; Rolf M. T. Dahlgren; Gertrud Dahlgren 1979-8-22 53573 Riverside Joshue Tree National Monument: just S of San Bernardino Co. line near jct or road to Split Rock and 29 Palms 1325 Comment
  UC338414  Quercus agrifolia Greene Jun 1889 Riverside Temecula Canyon Comment
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Mar 27 2011
  RSA747438  Quercus berberidifolia T. Scott, K. M. Meyer, A. Townesmith 2007-3-18 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd. S of Lake Hemet, from Rt. 74. 1467 Comment
  UCR273006  Quercus berberidifolia Mitch Provance 2012-4-1 17428 Riverside Badlands of Western Riverside County, N side of San Timoteo Canyon Rd., about 4.5 mi WNW of intersection with I-10, N of old Haskell residence 646 Comment
  SD229167  Quercus chrysolepis Dick Schwenkmeyer 2012-8-28 821 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UCD170551  Quercus chrysolepis D. O. Burge 2017-5-20 2279 Riverside San Jacinto Mountains, Lake Fulmore area, University of California James Reserve. 1640 Comment
  HSC101769  Quercus cornelius-mulleri J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13184 Riverside Along State Route 74 1227 Comment
  UCD14089  Quercus cornelius-mulleri Stephen K. Langer 1995-4-7 s.n. Riverside California, Riverside Co.; Pinyon Flats, Santa Rosa Mountains, Comment
  UCD45606  Quercus cornelius-mulleri K. R. Montgomery 1969-6-9 69 19 Riverside Wilson Valley, 18 miles south of Hemet, Riverside County, California. Elev. 3500'. 1066 Comment
  RSA511538  Quercus engelmannii Jack Easton 1989-4-18 s.n. Riverside Antelope Valley area N of Murrieta. ca. 1.5 mi NW of intersection of Antelope Road and Hwy I-15 and due N of intersection of Nutmeg and Jackson Streets. 396 Comment
  SBBG119972  Quercus engelmannii A. C. Sanders with M. Misenhelter 2005-3-23 29264 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  UCR106911  Quercus engelmannii D. L. Banks, Lauren Raz 1996-11-5 1163 Riverside NW Palomar Mtns., Pechanga Indian Reservation, south of San Gabriel Church; west of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34 390 Comment
  RSA741573  Quercus palmeri Scott D. White, Justin M. Wood 2008-6-17 12166 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  SD229180  Quercus palmeri Dick Schwenkmeyer 2012-3-26 671 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCD47105  Quercus palmeri James E. Cole 1947-2-6 1001 Riverside Lower Covington Flat (SW 1/4 of the SE 1/4 of Section 6, T1S, R6E, San Bernardino Base, Meridian). 1463 Comment
  UCD83689  Quercus palmeri Louis B. Ziegler 1969-10-12 s.n. Riverside Hemet Valley, San Jacinto Mountains, near the Kenworthy Ranger Station. 1417 Comment
  UC56657  Quercus wislizeni H. M. Hall 1902-4-17 2879 Riverside above Johnston Ranch; San Jacinto Mts. 1524 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
  RSA477132  Quercus wislizeni var. frutescens Christopher Davidson 1975-6-16 2815 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  UCR23315  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  RSA736537  Rafinesquia californica Scott D. White 2004-4-26 10266 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SEINET5584426  Rafinesquia californica Stephen Hale, Jake Mohlmann 2010-1 Riverside Along WAPA Parker-Blythe transmission line, adjacent to State Route 95 Comment
  CAS-BOT-BC362620  Rafinesquia neomexicana L. R. Abrams 1926-3-26 11101 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  CAS-BOT-BC362628  Rafinesquia neomexicana Cecil Hart 1926-3-9 s.n. Riverside Between Indio & Whitewater Comment
  RSA708490  Rafinesquia neomexicana Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10884 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  SBBG67864  Rafinesquia neomexicana M. N. Ackley 1928-4-4 Riverside near Edom 64 Comment
  UCR85167  Rafinesquia neomexicana A. C. Sanders, G. K. Helmkamp, P. MacKay 1995-3-12 16087 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA698549  Ranunculus californicus Mabel Harvey s.n. Riverside Santa Ana Canyon. Comment
  UCR147737  Ranunculus hebecarpus Steve Boyd, Aydee Virgen 2004-4-13 10887 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA7214  Rhamnus crocea B. D. Stark 1933-2-19 4530 Riverside 2.5 mi. East of Nuevo. 762 Comment
  RSA335025  Rhamnus ilicifolia Steve Boyd 1985-8-7 1111 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  RSA674923  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam De Vries 2000-4-25 7731 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  RSA761279  Rhododendron Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 716 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC22144  Rhododendron occidentale H. M. Hall June, 1901 2241 Riverside w side of San Jacinto Mountains San Jacinto Mountains 1828 Comment
  UCR182998  Rhus integrifolia Mitch Provance 2003-5-5 4424 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA586146  Rhus ovata D. L. Banks, S. D. Boyd 1995-3-16 108 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. 671 Comment
  RSA0046827  Rhus ovata Tamara Joy Hanna 1991-5-12 30 Riverside Township of Anza, area of High Country Ranches. From Tamatea Road approx. 100 ft. to dry stream bed, walking northeasterly direction. 1280 Comment
  JEPS44378  Ribes cereum Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4255 Riverside just below Toro Peak (i.e. s of the saddle e of the peak); Santa Rosa Mts. 2499 Comment
  UCR178327  Ribes indecorum T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 132 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR277935  Ribes indecorum Mitch Provance 2012-1-26 112- 04 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, 0.3 miles S of Fisherman's Retreat 695 Comment
  RSA3114  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2643 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  POM20019  Ribes nevadense Mary F. Spencer 1923-6-12 2174 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR270751  Ribes speciosum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8380 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  CAS-BOT-BC173857  Ribes velutinum Samuel B. Parish 1894-2-25 s.n. Riverside Reche [Canon] Canyon Comment
  UC1951181  Rorippa palustris subsp. palustris Justin M. Wood with Jamie Miner 2009-4-2 464 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. USGS Temecula 7.5' Quad. Comment
  LA208271  Rosa californica Louis C. Wheeler; 1931-10-4 207 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  POM122702  Rosa californica Marcus E. Jones 1926-6-20 s.n. Riverside Near Idyllwild Comment
  UCR46719  Rosa californica B. G. Pitzer, D. C. Hawks 1986-12-2 360 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  POM19609  Rubus parviflorus var. bifarius Mary F. Spencer 1923-6-12 2163 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  SD70908  Rumex conglomeratus Helen V. Witham 1969-7-2 183 Riverside De Luz Creek crossing, 4 mi. N. of De Luz. One plant seen, in crack in boulder, impossible to get root (stout taproot ?). 249 Comment
  RSA559315  Rumex conglomeratus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7373 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCR137712  Rumex crispus D. L. Banks 1997-3-29 1567 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
  UCR40202  Rumex salicifolius Steve Boyd 1985-7-23 1015 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  RSA334991  Rumex salicifolius var. denticulatus Steve Boyd 1985-7-23 1015 Riverside De Luz Road, 8.0 miles west of Rancho California. Side canyon of Sandia Creek. 305 Comment
  UC6971  Rumex salicifolius var. salicifolius A. J. McClatchie May 1892 51 Riverside near Elsinore Comment
  RSA586918  Sagina decumbens D. L. Banks, Steve Boyd 1995-5-3 0253 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR244393  Salazaria mexicana Jim Andre 2012-4-16 20973 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UCR85565  Salicornia subterminalis Julie A. Greene 1993-4-10 1148 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Sloping drainage from Davis Road. 436 Comment
  POM360993  Salix exigua Christopher Davidson 1977-4-7 5593 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  UCR138728  Salix exigua Julie A. Greene 1993-4-3 1088 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Raised wet area west of dirt road. 445 Comment
  SBBG54388  Salix exigua var. hindsiana P. Wilder 1971-9-29 5276 Riverside E of Hemet, Valle Vista at N end of Fairview Street, N of Florida Street Comment
  UC506446  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-3-19 7677 Riverside Comment
  CAS-BOT-BC108146  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Lake Skinner area - Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. 445 Comment
  RSA770929  Salix gooddingii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4786 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR171977  Salix gooddingii 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
  POM319275  Salix laevigata Patricia Wilder 1971-3-20 4909 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  UC64012  Salix lasiolepis H. M. Hall 1901-6-1 2350 Riverside Tahquitz Valley San Jacinto Mountains 2438 Comment
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Sep 2 2011
  UCR176904  Salix lasiolepis Tracy Tennant 1998-3-17 MOR- 1080 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, sample site P-10 1037 Comment
  CAS-BOT-BC128447  Salix lasiolepis var. lasiolepis Geo. B. Grant 1904-7-23 s.n. Riverside Mt. San Gorgonio, High Creek Comment
  POM362844  Salix lutea E. C. Jaeger 1922-6-29 s.n. Riverside Tahquitz Valley. 2134 Comment
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May 29 2011
  UCR108493  Saltugilia australis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16183 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  UCR165399  Saltugilia australis A. C. Sanders, D. Malueg 2003-5-8 26573 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
  RSA124429  Saltugilia splendens Percy C. Everett, E. K. Balls 1958-5-4 23083 Riverside Morongo Canyon. 671 Comment
  UCD118695  Saltugilia splendens subsp. splendens P. C. Everett; E. K. Balls 1958-5-4 23083 Riverside Morongo Canyon. 670 Comment
  RSA772409  Salvia apiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4856 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  UCR140739  Salvia apiana A. C. Sanders 2004-5-11 27854 Riverside Elsinore Basin Region, Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  UCR48367  Salvia carduacea Steve Boyd 1986-5-1 1818 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  UC1713566  Salvia columbariae Dr. D. P. Barrows before Aug., 1898 10 Riverside Cahuilla Indians Comment
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Sep 23 2009
  UC987819  Salvia columbariae Reid Moran 1941-5-5 843 Riverside e of Quail Spring; Joshua Tree National Monument 1300 Comment
  UCD125732  Salvia columbariae Gordon Pilone 1961-3-1 98 Riverside White Water Canyon, 1/2 mile below fish hatchery. 457 Comment
  SEINET13947330 Image available Salvia columbariae Kay Raeder 1955-1 593 Riverside Just outside Joshua Tree National Monument on Hidden Valley Rd.; 4300 ft alt. 1311 Comment
  UCLA69705  Salvia eremostachya L. Haines and L. Erickson 1937-4-10 Riverside near road to Shumway (Palms to Pines highway) Comment
  CSUSB1051  Salvia mellifera Carole Sims 1965-3-14 Riverside Ten yards from edge of highway, seven miles north of Temecula on road to Perris via Romoland. 335 Comment
  UCR25122  Salvia mohavensis John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Lost Palms Canyon in the Eagle Mtns Comment
  SD185178  Sambucus nigra subsp. caerulea T. B. Salvato, Kent Beaman 2005-5-16 769 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA 74. 548 Comment
  UCR34989  Sanicula tuberosa L. B. Ziegler 1970-5-14 403 Riverside San Jacinto Mtns, above Hemet Valley on flat top of Pleistocene alluvium 1585 Comment
  JEPS59100  Sarcodes sanguinea Carl V. Meyer Jun 1927 157 Riverside Saunder's Meadow, San Jacinto Mts. Comment
  POM12760  Sarcodes sanguinea P. A. Munz 1922-7-6 6024 Riverside Hidden Lake. San Jacinto Mts. 2439 Comment
  RSA0097961  Sarcostemma crispum Duncan S. Bell 2014-11-14 7712 Riverside Santa Rosa Mountains; in the Santa Rosa Mountains Wilderness area; west side of Martinez Mountain; along the Cactus Spring Trail, about 1 air mile northwest of Cactus Spring. 1217 Comment
  UCR178513  Sarcostemma cynanchoides subsp. hartwegii R. G. Swinney 1967-2-12 0022 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  CLARK-A1528-1469  Sarcostemma hirtellum John C. Roos 1937-4-18 Riverside Colorado Desert Comment
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Mar 3 2014
  UCR102855  Saxifraga californica A. C. Sanders 1997-4-3 20159 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  RSA753935  Schinus molle W. Schlegel, Andrew Trouette 2008-10-10 25 Riverside Snow Creek Cabin Parcel Comment
  SD224816  Schinus polygamus A. C. Sanders, G. K. Helmkamp 1995-12-5 17930 Riverside Riverside; abandoned orange orchard on Spruce ST. at Canyon Crest Dr. 305 Comment
  CAS-BOT-BC110658  Schismus Elizabeth McClintock 1964-4-8 342 Riverside Snow Canyon, east side of Mount Jacinto. Comment
  CHSC109698  Schismus barbatus Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10474 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
  CLARK-A1528-922  Schismus barbatus Patricia A. Andrews 1975-3-13 5900 Riverside Rubidoux Comment
  HSC101533  Schismus barbatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12755 Riverside Roadside 455 Comment
  RSA406829  Schismus barbatus Christopher Davidson 1973-4-1 1800 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA653143  Schismus barbatus A. C. Sanders, G. Helmkamp 1997-3-15 19922 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills., [UTM 10km cell: MH-9E, 1N. Skinner Reservoir] 549 Comment
  RSA715945  Schismus barbatus Scott D. White, Angelia Carey 2004-4-5 10033 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET4568274 Image available Schismus barbatus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4598 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR115881  Schoenoplectus acutus var. occidentalis Mitch Provance 1999-5-6 1163 Riverside San Bernardino/Santa Ana River Valley, city of Riverside, Arlanza area, at (nearly dry) Hole Lake 220 Comment
  POM220056  Schoenoplectus americanus F. R. Fosberg 1932-3-13 8079 Riverside Thousand Palms Canyon. Coachella Valley. Comment
  UCR277488  Schoenoplectus californicus Mitch Provance 2013-2-16 0213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  RSA91474  Schoenoplectus maritimus Joseph A. Ewan, C. Epling 1933-5-12 7609 Riverside South shore Lake Elsinore. Comment
  UCR33639  Schoenoplectus pungens var. longispicatus Faulkner 1978-4-27 493 Riverside Sonoran (Colorado) Desert, 3 miles east of Blythe 137 Comment
  UCR138609  Scirpus microcarpus D. L. Banks 1996-11-7 1192 Riverside Peninsular Range; Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 150 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 473 Comment
  POM11518  Scrophularia californica subsp. floribunda Philip A. Munz 1922-7-1 5933 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  SD136743  Scrophularia californica subsp. floribunda Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7380 A Riverside San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile, lower 1/3 mile of Wildhorse Canyon 410 Comment
  RSA761227  Scutellaria siphocampyloides Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 730 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0016357  Selaginella bigelovii Duncan S. Bell, David Bernie, Kurt Broz, Kim Clark, James Fournier, Shasta Gaughen, Holly Gray, Ed Howland 2013-6-7 5040 Riverside Pala Indian Reservation, back behind the water tower on the southern flanks of Tourmaline Queen Mountain. 177 Comment
  POM219200  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 241 Riverside 3/4 mi. NNE Tahquitz Peak, San Jacinto Mts. 2560 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
  SD67907  Selaginella watsonii Reid Moran 1968-8-3 15356 Riverside 1 mile northwest of Toro Peak 2250 Comment
  UCR97495  Senecio californicus A. C. Sanders, Giles Waines, et al. 1997-3-12 19878 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  PASA1361  Senecio douglasii Mary Hall 1939-5-27 Riverside San Jacinto river Comment
  RSA561422  Senecio flaccidus var. douglasii Steve Boyd 1992-9-9 7687 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
  UC35969  Senecio flaccidus var. douglasii H. M. Hall Aug 1899 Riverside Comment
  SEINET2055018 Image available Senecio vulgaris Unknown 1965-4-22 Riverside 2800 Mary Street, Victoria Village Shopping Center, Riverside 262 Comment
  LA26722  Senna armata William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  SDSU17478  Senna artemisioides Jerry Jenkins 2001-3-30 2001 -002 Riverside Santa Margarita Ecological Reserve. Fields near station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  UC217851  Senna covesii P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4862 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 518 Comment
  UCR257044  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009- 1 Riverside San Jacinto Mountains, northeast of Hwy 243 c. 16 km northwest of Idyllwild, in the south unit of the San Bernardino National Forest, on southwest flank of Black Mountain, Black Mountain Trail, on slope by large trunk lying across trail, at the head of Indian Creek in the drainage, uppermost Hall Canyon 2037 Comment
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Jul 25 2018
  CAS-BOT-BC438207  Sesuvium verrucosum Ira L. Wiggins 1941-3-24 9582 Riverside Beach along eastern margin of Salton Sea, 3.5 miles south of Mortmar Comment
  RSA588598  Sesuvium verrucosum D. L. Banks, S. D. Boyd 1995-12-17 809 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 narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  CAS-BOT-BC434393  Sidotheca trilobata Barbara Ertter; Jeffrey Strachan 1980-5-21 3479 Riverside Santa Rosa Mountain road (Forest Road 7S02) 2.9 miles south of Highway 74 (Pines to Palms Highway) 1676 Comment
  RSA85405  Silene antirrhina J. C. Roos, L. Roos 1952-4-28 5590 Riverside Box Springs Mtns. 396 Comment
  UCR260532  Silene gallica T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7992 Riverside Perris-Aguanga Basin, Menifee, south side of Bundy Canyon Road between Sunset Ave and Lynx Rd. 0.9 mi west of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.2 mi southeast of Canyon Lake 543 Comment
  RSA192157  Silene laciniata subsp. major E. W. Lathrop 1966-5-15 6301 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA571315  Silene multinervia Steve Boyd, D. L. Banks 1994-4-5 8264 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  JEPS51008  Silene parishii W. L. Jepson 1903-8-8 2303 Riverside slopes of Tahquitz Peak (Tauqitz Peak) San Jacinto Mt., slopes of Tahquitz Peak (Tauquitz Peak) Comment
  POM187410  Silene parishii var. viscida L. Crutcher 1933-7-31 12 Riverside Tahquitz Peak Comment
  POM12851  Silene verecunda subsp. platyota P. A. Munz 1922-6-27 5844 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  JEPS40198  Simmondsia chinensis Marjorie D. Clary 1932-3-27 1168 Riverside 5 mi e Indio (Indio Hills); Colorado Desert, Indio Hills 152 Comment
  UC218089  Simmondsia chinensis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4784 Riverside vicinity Corn Springs (Chuckwalla Mountains); Colorado Desert, Chuckwalla Mountains 457 Comment
  SBBG26815  Sinapis alba C. B. Wolf 1936-4-21 Riverside 4 mi S of Riverside, S of Jurupa Rd Comment
  SD137827  Sisymbrium altissimum Darin L. Banks 1995-4-11 163 Riverside Agua Tibia Mountains Watershed; North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the Dripping Springs Trail 760 Comment
  UCR104915  Sisymbrium altissimum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20632 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
  CAS-BOT-BC75245  Sisymbrium irio Ynez Whilton Winblad 1937-3-23 s.n. Riverside Chocolate Mountains. Comment
  RSA692226  Sisymbrium orientale Scott D. White 2003-10-9 9821 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCR241160