Search Results — 2000 specimen records retrieved (1898 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/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCSB12  Abies concolor Bobkowski, Jr., Vincent 1960-5-14 Riverside At Black Mountain Camp, San Bernardino National Forest Comment
  CAS-BOT-BC229315  Abronia villosa John Thomas Howell 1928-1-28 3284 Riverside Thousand Palms, Colorado Desert Comment
  RSA0021331  Abronia villosa Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4657 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  SDSU8420  Abronia villosa J. Godsil 1953-3-20 582 Riverside Sand dunes, east of Palm Springs. 140 Comment
  SEINET270069  Abronia villosa R. Scora 1966-4-1 3031 Riverside 400 meters before Hidden Spring Oasis on road from Thousand Palms Comment
  JEPS98074  Abronia villosa var. aurita D. Wilken with E. Painter 2000-11-4 15865 Riverside State Hwy. 74, 2.5 mi SE of Hurkey Creek San Jacinto Mountains, Garner Valley 1400 Comment
  RSA165140  Abronia villosa var. aurita Mark Parratt 1962-2-24 111 Riverside E side of road in cathedral city. Colorado desert edge. Drainage area: Salton Sea. 152 Comment
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Jun 24 2008
  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
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Feb 10 2013
  CAS-BOT-BC30912  Acamptopappus sphaerocephalus P. A. Munz 1937-5-29 15151 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  HSC27994  Acamptopappus sphaerocephalus var. sphaerocephalus Richard Spjut 1973-5-5 3346 Riverside Colorado Desert; rocky and gravelly flats and hills bordering the southern slopes of the Chuckawalla Mts. 610 Comment
  CAS-BOT-BC218713  Achnatherum coronatum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23100 Riverside 3 miles SE of Glen Ivy Hot Springs Comment
  RSA583363  Achnatherum coronatum Steve Boyd, Darin Banks 1995-4-5 8418 A 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
  UC40029  Achnatherum coronatum H. M. Hall June, 1901 2078 Riverside vicinity of Chalk Hill 1463 Comment
  CAS-BOT-BC260328  Achnatherum hymenoides Marcus E. Jones 1903-5-11 s.n. Riverside Colorado Desert. Whitewater, about station 304 Comment
  POM8459  Achnatherum hymenoides Mary F. Spencer 1920-4-11 1543 Riverside Palm Springs. Comment
  RSA697715  Achnatherum hymenoides J. Russell Bruff 1921-3-12 36 Riverside Whitewater. Comment
  SBBG34672  Achnatherum hymenoides T. L. Secrest 1950-3-13 Riverside near Salton Sea Comment
  UC817841  Achnatherum hymenoides Ivan Johnston Apr 4 1917-Apr 6 1917 1098 Riverside Whitewater Colorado Desert (in sands about station) Comment
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Feb 3 2013
  RSA27234  Achnatherum speciosum C. L. Hitchcock 1940-4-12 6046 Riverside 8 mi. northwest of Elsinore 457 Comment
  POM96839  Achnatherum speciosum F. M. Reed 1926-5-8 5326 Riverside Rocky hill near [Good Hope] Mine. Comment
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May 1 2011
  JOTR35356  Achyronychia cooperi Harding, Mitzi, M. Wheeler 2011-1-26 109 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, between NE Eagle Mountains and W Coxcomb Mountains along dirt road (STOP1) 267 Comment
  RSA423490A  Achyronychia cooperi Howard Mullins 1931-4-11 s.n. Riverside Palm Springs (3 miles no.) Comment
  SDSU12998  Acmispon americanus var. americanus Michael G. Simpson 1999-10-27 2032 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  JOTR31171  Acmispon glaber var. brevialatus La Doux, Tasha 2009-6-3 1874 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  SDSU12235  Acmispon glaber var. brevialatus Tahirih Linz, M. G. Simpson 2000-4-1 3 Riverside Comment
  UCR279414  Acmispon maritimus var. brevivexillus A. C. Sanders, Jim Malusa 2017-3-25 42990 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  SEINET957535  Acmispon micranthus C. B. Wolf 1935-1 63115 Riverside Gavilan hills region. 2 mi. SW of Perris. 427 Comment
  OBI8348  Acmispon strigosus David J. Keil, Malcolm McLeod 1977-3-26 12013 Riverside 8 mi NW of lake Elsinore State Recreation area along Calif 71 Comment
  RSA740629  Acourtia microcephala Scott D. White, Justin M. Wood 2008-6-18 12202 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  UC76423  Acourtia microcephala Mrs. Hannah 1893-1 Riverside Menifee Comment
  SEINET5807513 Image available Actinolepis multicaulis Marcus E. Jones 1882-1 3173 Riverside San Jacinto Comment
  UC829294  Adenophyllum porophylloides Lewis S. Rose 1938-12-22 38335 Riverside 15 mi sw, along Palms to Pines Highway Cathedral City; San Jacinto Mts. 670 Comment
  UCR158348  Adenostoma fasciculatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30088 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
  UCR175074  Adenostoma fasciculatum Teresa Nieto 2005-5-26 25 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  CLARK-A1528-806  Adenostoma sparsifolium Richard A. Minnich 1968-4-14 12 Riverside San Jacinto Mountains 1341 Comment
  UC519765  Adenostoma sparsifolium C. Epling 1931-10-4 Riverside Hemet to Idylwild Comment
  POM13637  Adiantum capillus-veneris E. C. Jaeger 1922-4-15 1037 Riverside Eagle Canyon, 5 miles south-east of Palm Springs. Comment
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Aug 3 2011
  RSA712690  Agave americana A. C. Sanders 1984-7-17 5106 Riverside O. F. Clarke residence at 1012 Spruce Street. 305 Comment
  JEPS36304  Agoseris retrorsa W. L. Jepson May 17 1901-Jun 1 1901 1278 Riverside San Jacinto River Canon; Riverside, Santa Rosa Peak, Palomar Comment
  UCR193534  Agrostis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35658 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UCR164300  Agrostis viridis S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  RSA172212  Aliciella latifolia R. F. Thorne 1963-3-29 32392 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA469419  Aliciella latifolia Christopher Davidson 1979-4-4 7675 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UCR279591  Aliciella latifolia A. C. Sanders, Jim Malusa 2017-3-28 43158 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  JEPS121591  Allionia incarnata var. incarnata Adam C. Schneider with Will Freyman 2014-2-16 386 Riverside Box Canyon Road. Comment
  CAS-BOT-BC131984  Allium haematochiton Marcus E. Jones 1931-3-2 28594 Riverside Corona Comment
  SEINET225363  Allium haematochiton J. C. Roos 1966-3-24 Riverside Bundy Canyon Rd E of Elsinore Comment
  UC494721  Allium haematochiton Philip A. Munz 1932-3-24 12026 Riverside n Lake Elsinore 304 Comment
  UCR281231  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 54 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  JOTR35461  Allium parishii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 64 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  POM17546  Allium peninsulare var. peninsulare H. Baer 1923-4-15 s.n. Riverside 3 miles east of Glen Ivy. Comment
  UCR91459  Allium praecox Scott D. White 1995-3-30 2676 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
  UCR193986  Allophyllum A. C. Sanders 2008-7-25 35922 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  UC718493  Allophyllum glutinosum P. C. Everett 1935-6-17 7155 Riverside Coldwater Canyon Trail to Santiago Pk. (1 1/2 mi. above Glen Ivy Resort); Santa Ana Mts. 563 Comment
  UCR68844  Allophyllum glutinosum Steve Boyd, T. S. Ross 1990-5-11 4623 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  SD146067  Alternanthera philoxeroides J. Zamora 1999-9-29 11537 UC Riverside Santa Ana River under the northwest end of the Market Street bridge. 244 Comment
  JOTR35164  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR100130  Amaranthus fimbriatus B. G. Pitzer 1997-10-19 3354 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR264250  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2015-9-10 41862 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  RSA319700  Amaranthus palmeri Patricia Wilder 1970-10-30 4820 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  CAS-BOT-BC166536  Ambrosia confertiflora A. C. Sanders 1996-5-14 18169 Riverside Moreno Valley (Edgemont), east side of I-215 at Alessandro Blvd. 470 Comment
  RSA608585  Ambrosia dumosa R. S. Woglum 1939-4-11 2207 Riverside Sonora Desert: Desert Center. Comment
  RSA727011  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  POM246655  Ambrosia psilostachya E. C. Jaeger 1938-10-30 s.n. Riverside Mecca. -30 Comment
  RSA744236  Ambrosia psilostachya Michael Wall 2009-11-14 498 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. Comment
  CAS-BOT-BC273018  Ambrosia salsola Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-15 346 Riverside Near entrance gate, Andreas Canyon Club, South Palm Canyon Drive, Palm Springs 167 Comment
  CAS-BOT-BC273036  Ambrosia salsola Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  SBBG25159  Ambrosia salsola var. salsola Leota Davidson 1965-5-14 113 Riverside Pinto Wash, Joshua Tree Nat Monument Comment
  UC480978  Ambrosia salsola var. salsola unknown May 1 1906-May 10 1906 Riverside desert at Palm Springs; Colorado Desert Comment
Read comments
Apr 17 2011
  UCSB22432  Ambrosia salsola var. salsola Myrick, Donald 1966-4-2 Riverside At upper end of Aqueduct Road, southeast of Desert Hot Springs Comment
  RSA623565  Ammannia robusta R. E. Riefner Jr. 1998-10-15 98 -527 Riverside Paloma Valley. Comment
  RSA220980  Amorpha californica E. W. Lathrop 1966-5-8 6454 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UC489201  Amorpha californica var. californica C. V. Meyer 1928-7-27 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  RSA415300  Amorpha fruticosa Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  RSA614401  Amsinckia intermedia D. L. Banks 1997-3-16 1535 B Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UCR168547  Amsinckia intermedia var. eastwoodiae P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside Peninsular Ranges; Santa Ana Mountains region, 3 miles southwest of Corona 305 Comment
  UCR121798  Amsinckia menziesii var. menziesii A. C. Sanders, Carolyn Washburn 2001-4-17 24034 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  CSUSB995  Amsinckia tessellata Pam Maynard 1974-4-25 S. N. Riverside Box Springs mountians-- crevass at East end of Big Springs road 670 Comment
  UCR117215  Amsinckia tessellata B. G. Pitzer 2000-4-20 4122 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  JEPS49775  Amsonia tomentosa W. L. Jepson and W. C. Mathews 1914-5-17 5980 Riverside Lookout Mt. n. of Indio; Colorado Desert, Lookout Mt. Comment
  JOTR32441  Amsonia tomentosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2345 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  RSA0104437  Amsonia tomentosa Duncan S. Bell, Evan Meyer 2014-10-28 7671 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  SDSU13948  Anagallis arvensis Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2134 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  RSA180287  Anagallis arvensis E. W. Lathrop 1965-4-25 5671 Riverside 4 miles Sw of Murrieta. Comment
  UC729851  Anemopsis californica Carl B. Wolf 1929-5-31 3738 Riverside 1 mi nw of Santa Ana River (6 mi from Corona on Chino Road) Comment
  RSA761266  Angelica Shawn Krosnick, Naomi Fraga, Lucinda A. McDade 2010-8-14 665 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC29461  Anisocoma acaulis H. M. Hall 1901-6-1 Riverside s side, wooded slopes and benches San Jacinto Mountains 1737 Comment
  UCR121190  Anthriscus caucalis D. E. Bramlet 1990-4-26 1975 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  UC284974  Antirrhinum coulterianum P. A. Munz 1923-6-14 7106 Riverside trail from Glen Ivy to Santiago Peak; Santa Ana Mts. 914 Comment
Read comments
Apr 1 2013
  CDA36138  Antirrhinum cyathiferum CDFA Staff 2011-10-4 s.n. Riverside Grown from seed collected in Deep Canyon, Riverside County. Sacramento, CDFA greenhouse on Meadowview Road. 0 Comment
  UC184602  Antirrhinum filipes E. E. Schellenger Riverside Colorado Desert Comment
  UCR108792  Antirrhinum nuttallianum Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA495454  Antirrhinum nuttallianum subsp. nuttallianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2982 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  HSC21458  Apiastrum angustifolium C. L. Hitchcock 1966-3-16 24188 Riverside About 5 mi. NE of Aguanga Comment
  UCR107748  Apiastrum angustifolium D. L. Banks 1997-5-5 1993 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
  UCR133670  Apiastrum angustifolium Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR137564  Apiastrum angustifolium A. C. Sanders 2004-5-5 27772 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR99157  Apiastrum angustifolium A. C. Sanders, G. Helmkamp 1997-3-15 19994 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR193890  Arabis glabra A. C. Sanders, Mitch Provance 2008-7-11 35821 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA49177  Arabis glaucovalvula P. A. Munz 1949-4-13 13057 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UCR92754  Arceuthobium campylopodum George K. Helmkamp, E. A. Helmkamp 1995-11-16 5- 01 Riverside San Jacinto Mtns, W end of Garner Valley, 0.5 mi east of Calif. 74 on Apple Canyon Rd. (just NE of Lake Hemet) 1341 Comment
  SEINET3239838  Arceuthobium cyanocarpum R. L. Mathiasen 2009-1 2009 -68 Riverside N slope of Tahquitz Peak. 2640 Comment
  RSA629373  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16862 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629379  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15087 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  UCR273501  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42601 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  UCR277893  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42673 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  POM254949  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  JOTR16667  Arctostaphylos glauca Hogan, J. 1974-6-8 68 Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA631745  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15530 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA631776  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19272 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631843  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20167 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 5 km south of Pinyon Pines, Santa Rosa Mountains. 1565 Comment
  RSA631849  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20177 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 3 km south of Pinyon Pines, Santa Rosa Mountains. 1350 Comment
  POM310591  Arctostaphylos glauca var. glauca G. Mansfield-Jones 1956-04 s.n. Riverside Joshua Tree National Monument along road to Juniper Flats 1463 Comment
  RSA633548  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16714 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633630  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22658 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633636  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20133 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA635645  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16608 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  UCR129656  Arctostaphylos pringlei subsp. drupacea Larry E. DeBuhr 1972-3-23 531 Riverside Santa Rosa Mtns., San Bernardino National Forest, along forest road 7S02 2104 Comment
  UCSB4756  Arctostaphylos pringlei subsp. drupacea Gill, Robert 1959-11-22 Riverside Idyllwild; San Jacinto Mt. Range; Pacific slope drainage area 1645 Comment
  HSC25239  Arctostaphylos pungens Richard Spjut 1972-3-4 2241 Riverside San Jacinto Mtns. along Hwy. 74 E of Idyllwild 1220 Comment
  UCSB4762  Arctostaphylos pungens Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA636030  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15051 Riverside Rainbow Canyon Rd., 2.5 km south of Pala Rd. 390 Comment
  SEINET2029179 Image available Arctostaphylos tomentosa I. W. Clokey, E. G. Anderson 1935-4-16 6787 Riverside East of Hemet 630 Comment
  RSA615320  Argemone munita subsp. munita Scott D. White 1997-5-25 5220 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  SEINET4085707  Argemone munita subsp. munita O. M. Clark 1932-1 5108 Riverside South Hemet. Comment
  RSA659771  Aristida purpurea J. C. Roos 1951-10-19 5325 Riverside Badlands at Old Jackrabbit trail 610 Comment
Read comments
Mar 20 2011
  POM1094  Aristida purpurea var. nealleyi I. M. Johnston 1010 Riverside Mouth of Andreas Canyon. 244 Comment
  UCR23867  Aristida purpurea var. nealleyi John C. Roos 1965-9-26 s.n. Riverside Mojave Desert, Palm Springs, in a parkway 122 Comment
  SEINET10525969  Aristida purpurea var. purpurea David Griffiths 1905-7-20 Griffiths 8007 Riverside One mile east of town. Banning. Comment
  IRVC474  Artemisia californica R. H. Whittaker, W. A. Niering 1963-5-29 SJ 60 61 Riverside San Jacinto Mtns: San Jacinto Valley 564 Comment
  RSA543306  Artemisia californica Steve Boyd 1991-3-17 5490 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR141241  Artemisia californica A. C. Sanders, Kelly Volansky 2004-10-6 28813 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  RSA561511  Artemisia douglasiana Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7662 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confuluence of Los Alamos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA417353  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1931-10-4 171 Riverside San Jacinto Mountains. Strawberry Valley 1585 Comment
  SD229067  Artemisia tridentata Dick Schwenkmeyer 2012-3-26 675 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx Ao mile north of Highway 74, just east of Morris Ranch Road. 1356 Comment
  UCR138556  Artemisia tridentata Steve Boyd, D. E. Bramlet 1988-10-8 2877 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  RSA725793  Artemisia tridentata subsp. tridentata R. E. Riefner 2006-9-19 06 -442 Riverside Temecula Valley, c. 0.1 mi. west of I-15 Freeway along Temecula Creek. 301 Comment
  SD140128  Arthrocnemum subterminale A. C. Sanders 1993-5-12 14006 Riverside Hemet, southwest corner of the intersection of Florida Ave. (Highway 74) and Warren Road, between New San Diego Aqueduct and Warren. 455 Comment
  JOTR29449  Asclepias albicans La Doux, Tasha, Mike Bell 2006-3-8 1347 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  SEINET229305  Asclepias albicans Unknown 1985-4-16 8254 Riverside North side of Chuckwalla Mountains. About 10 miles east of Desert Center. 183 Comment
  UCR34991  Asclepias californica L. B. Ziegler 1967-6-27 184 Riverside San Jacinto Mtns, Hemet Valley 1585 Comment
  RSA0046830  Asclepias californica Paul Shirokawa 1998-5-15 27 Riverside Cleveland National Forest: Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  RSA401252  Asclepias fascicularis N. C. Cooper 1949-6-24 4313 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA779723  Asclepias subulata Duncan S. Bell 2009-3-8 91 Riverside Arica Mountains: west side of mountain range in main western drainage approximately 2.5 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 420 Comment
  UCR180152  Asclepias subulata Scott D. White, Pam Devries 2006-3-14 11245 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR23408  Asclepias subulata John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe airport 75 Comment
  RSA0011739  Asplenium vespertinum Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 616 Riverside Cleveland Nat. Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  UCR207320  Aster subulatus O. F. Clarke 2007-10-5 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  CAS-BOT-BC295358  Astragalus N. Aitkenhead 1977-2-1 2154 Riverside ~1 mi. E. of junction of T/L & Dillon Rd. in No. Palm Springs Comment
  CLARK-A1528-2727  Astragalus aridus John C. Roos 1949-3-19 4116 Riverside Indio Comment
  UCR170098  Astragalus aridus John F. Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10 12 Comment
  CAS-BOT-BC177719  Astragalus crotalariae Alice Eastwood 1919-3-15 7991 Riverside Indio Comment
  UC56443  Astragalus douglasii var. parishii H. M. Hall May 17 1901-Jun 1 1901 Riverside Valle Vista San Jacinto Valley, Valle Vista (S. Jacinto Valley) 548 Comment
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Mar 27 2011
  RSA90230  Astragalus douglasii var. parishii F. W. Peirson 1922-5-20 3342 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  SEINET10737820  Astragalus insularis var. harwoodii Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6454 Riverside 7 miles south-southwest of Rice. 274 Comment
  RSA719067  Astragalus lentiginosus Michael Honer 2005-3-18 2100 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  CAS-BOT-BC187107  Astragalus lentiginosus var. borreganus P. A. Munz; D. Keck 1922-4-14 4963 Riverside Indian Wells, Colorado Desert 106 Comment
  LA204982  Astragalus lentiginosus var. coachellae Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  UCR244438  Astragalus lentiginosus var. fremontii Jim Andre 2012-4-16 20938 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  UCR232513  Astragalus nuttallianus var. cedrosensis Dave Silverman, Mark Bibbo 2010-3-31 7900 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of southern McCoy Mtns, 1.5 km W of Black Creek Rd, 5.4 km N of I-10, and 6.8 km ENE of McCoy Peak 175 Comment
  RSA653167  Astragalus nuttallianus var. imperfectus A. C. Sanders, K. C. Rose 1995-4-5 16371 Riverside San Bernardino Mtns. / Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 520 Comment
  UCR95238  Astragalus pachypus var. jaegeri D. L. Banks, Dylan Hannon 1996-5-3 1000 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 300 m east of the Dripping Springs Guard Station 488 Comment
  JOTR34280  Astragalus palmeri La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3295 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
  SEINET2060250 Image available Astragalus palmeri Dearing Herbarium 1936-12-26 837 Riverside Pines to Palms Hwy Comment
  CSUSB1291  Astragalus pomonensis Leland R. Dykes 1962-4-22 42 Riverside Santa Ana Mountains Santa Ana Mountains. San Mateo Canyon Road. 7 miles west of Palomar Road, Murrietta. Comment
  SEINET898380  Astragalus pomonensis Ira W. Clokey, C. B. Clokey, B. Templeton 1935-1 4634 Riverside Perres-Gavilan Peak 600 Comment
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Aug 3 2013
  UC863014  Astragalus pomonensis K. Watkins and E. McClintock 1937-4-9 Riverside pasture 1 mi w San Jacinto; w of San Jacinto Comment
  RSA0003064  Astragalus pomonensis Marcus E. Jones 1882-4-24 3166 Riverside Temecula Comment
  CAS-BOT-BC193164  Astragalus sabulonum S. B. Parish 1913-2-7 8450 Riverside Mecca, Salton Sink 60 Comment
  RSA415845  Astragalus tricarinatus Ralph Hoffmann 1929-9-13 s.n. Riverside Colorado Desert, Riverside. Comment
  CAS-BOT-BC27727  Astragalus vaseyi var. johnstonii Philip Alexander Munz; Ivan Murray Johnston 1922-5-7 5271 Riverside Keyes Ranch, Little San Bernardino Mts. 1066 Comment
  SBBG56269  Athyrium filix-femina var. cyclosorum R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns Comment
  UCR21906  Athysanus pusillus Steve Boyd 1980-5-3 170 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA776819  Atrichoseris platyphylla Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1092 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  RSA779699  Atrichoseris platyphylla Duncan S. Bell 2010-4-2 725 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  UCR180227  Atrichoseris platyphylla Scott D. White, Pam Devries 2006-3-14 11254 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR176901  Atriplex argentea Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Valley, intersection of Stetson Ave. and California Ave., NE of Winchester, WSW of Hemet 457 Comment
  POM153405  Atriplex argentea subsp. expansa P. A. Munz 1928-9-12 11304 Riverside SE end of Elsinore Lake Comment
  UCR166804  Atriplex argentea var. mohavensis R. E. Riefner Jr. 2004-8-27 04- 396 Riverside N of La Sierra Heights; NE (c. 0.25 mi) off Arlington Avenue, along dirt access road to Hidden Valley Wildlife Reserve 221 Comment
  UC850849  Atriplex canescens Carl B. Wolf 1932-10-13 4323 Riverside ne side Salton Sea (at Durmid, ne side S. P. R. R. tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  UCR92403  Atriplex canescens F. M. Reed 1933-12-1 8423 Riverside Western Colorado Desert, dry wash east of Palm Springs 122 Comment
  POM202637  Atriplex canescens var. laciniata W. M. Ingram 1934-10 8 Riverside Salton. -61 Comment
  SD80078  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-7-29 331 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  RSA0089541  Atriplex coronata var. notatior D. E. Bramlet, Melissa Riedel-Lehrke 2006-5-31 4014 Riverside Perris Basin: West Hemet area, MWD canal right-of-way, south of Florida Ave. 456 Comment
  RSA557357  Atriplex coronata var. notatior Julie Greene 1993-6-11 1361 Riverside North of levee, west of Davis road. 436 Comment
  RSA593914  Atriplex coronata var. notatior Steve Boyd, Dave Bramlet 1996-4-19 8597 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
  UCD169503  Atriplex coronata var. notatior Mitch Provance 2005-5-17 6594 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. 396 Comment
  UCR235046  Atriplex coronata var. notatior A. C. Sanders, John F. Green 2012-5-27 40219 Riverside Peninsular Range; Santa Ana Mtns. Region, Lake Elsinore area, Baker St. south of Nichols Rd. 386 Comment
  UCR148293  Atriplex hymenelytra John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCSB16186  Atriplex hymenelytra Gerhart, Janet 1963-4-5 Riverside Coachella canal, siphon No. 22, 5.0 mi. S of intersection of Salt Creek Wash Comment
  RSA612719  Atriplex parishii H. C. Stutz 1994-10-17 9693 Riverside W side of Hemet, 100 yards East of California Street terminus Comment
  UCR24187  Atriplex parishii John C. Roos 1937-8-17 1214 Riverside 5 mi west of Hemet [Hwy 74 near Homeland] Comment
  RSA653203  Atriplex prostrata Mitch Provance, Steve D. Boyd 1999-9-14 1781 Riverside Riverside: Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp. 238 Comment
  RSA592424  Atriplex rosea J. C. Roos 1965-8-4 s.n. Riverside Arlington Comment
  UC72715  Atriplex semibaccata F. M. Reed 1903-8-15 374 Riverside near Rincon; near Rincon Comment
  UCR94949  Atriplex semibaccata Scott D. White 1996-9-22 4542 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 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
  UCR40489  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  UC55965  Atriplex serenana var. serenana H. M. Hall April, 1902 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR182538  Atriplex serenana var. serenana Mitch Provance 2003-7-3 4638 Riverside San Bernardino Valley, Riverside, the NE part of Lionshead (Challen Hill), 0.4 km due west of the corner of California Av. and Van Buren Blvd. 238 Comment
  UCR199793  Atriplex serenana var. serenana Scott D. White, Justin M. Wood 2008-6-13 12105 Riverside Beaumont Badlands, San Timoteo Canyon, near El Casco Lake (private pond) east of the road 610 Comment
  UCR182322  Atriplex suberecta Mitch Provance 2003-4-18 6605 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  CLARK-A1528-4492  Avena barbata John C. Roos 1966-3-22 Riverside San Jacinto Valley Comment
  UCR180586  Avena barbata Scott D. White, Angelia Carey 2004-4-5 9994 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  CSUSB423  Avena fatua J. Jacobi 1970-4-30 0430 7 Riverside Collected 1 mile north of Lakeview, Ca., by bridge. 274 Comment
  UCR139033  Avena fatua D. L. Banks, V. W. Steinmann 1997-3-13 1448 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  CAS-BOT-BC213223  Ayenia compacta Annie M. Alexander; Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, north of Shaver Summit 792 Comment
  UCR9373  Ayenia compacta Richard A. Weaver 1970-1-14 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns., western portion of range 915 Comment
  CAS-BOT-BC98785  Baccharis brachyphylla Marjorie Clary 1932-12-13 654 Riverside Near mouth of Deep Canyon [Canon], western edge of Coachella Valley, near eastern end of Palms-to-Pines Highway, 304 Comment
  POM253447  Baccharis brachyphylla E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  UCR281865  Baccharis brachyphylla A. C. Sanders, Jim Malusa 2017-9-19 43333 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.75 km SW (209 deg. ) of Tabaseca Tank 711 Comment
  RSA588837  Baccharis sarothroides Darin L. Banks, Steve Boyd 1995-10-17 0780 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UC1118927  Baccharis sarothroides R. St. John 1931-1-20 174 Riverside Mt. Rubidoux Elsinore Quad., Santa Ana River 274 Comment
  CAS-BOT-BC99865  Baccharis sergiloides A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke; et al. 1996-11-23 19660 Riverside San Bernardino Mtns.: Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish 534 Comment
  RSA696790  Baccharis sergiloides J. Russell Bruff 1927-11-16 34 Riverside Cottonwood Springs. Comment
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Jul 7 2012
  SBBG7748  Baccharis sergiloides H. and M. Dearing 1940-11-10 5010 Riverside Whitewater Comment
  UCR272672  Baccharis sergiloides Sarah J. De Groot, Duncan S. Bell 2015-9-21 7583 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, near Potrero Spring near head of Potrero Canyon, west of Dunn Road, NW of Asbestos Mountain, SW of Haystack Mountain 1084 Comment
  RSA93161  Baccharis sergiloides F. W. Peirson 1928-9-6 8205 Riverside Morongo Canyon, eastern end of San Bernardino Mts. Comment
  CAS-BOT-BC99968  Baileya pauciradiata Roxana S. Ferris 1953-3-9 12598 Riverside Sandy flat near junction of U.S. 60 & 70 with Desert Hot Springs Road Comment
  UC724349  Baileya pauciradiata Aven Nelson, Ruth A. Nelson 1939-3-29 3313 Riverside between Mecca and Hidden Springs Comment
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Feb 3 2011
  UC893812  Baileya pauciradiata Lewis S. Rose 1937-4-10 37147 Riverside 5 mi s Cathedral City 15 Comment
  POM350685  Baileya pleniradiata N. C. Cooper 1949-4-9 3326 Riverside Blythe. 81 Comment
  RSA38415  Baileya pleniradiata Philip A. Munz 1946-10-21 11596 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
  SEINET10479071  Bassia hyssopifolia Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4921 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  OBI16935  Bebbia juncea H. E. McMinn 1935-6-27 4066 Riverside Palms to Pines Highway Comment
  RSA675708  Bebbia juncea Scott D. White 2000-10-24 8141 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 610 Comment
  RSA696874  Bebbia juncea J. Russell Bruff 1928-4-1 77 Riverside Whitewater Comment
  UCR143338  Bebbia juncea I. W. Clokey 1935-4-17 6966 Riverside Sonoran (Colorado) Desert, Shavers Well 274 Comment
  CAS-BOT-BC100114  Bebbia juncea var. aspera H. M. H. 1901-5-17 1851 Riverside Palm [Canon] Canyon Comment
  POM160114  Berberis nevinii E. C. Jaeger 1927-4-20 s.n. Riverside Aguanga Comment
  UC128992  Bidens laevis Geo. R. Hall 1905-1 Riverside Riverside Comment
  UC1929408  Bloomeria crocea Scott D. White 2004-4-26 10240 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  VVC2319  Boerhavia coulteri Tim Thomas, Alice Karl 2011-10-18 5527 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  CLARK-A1528-3270  Boerhavia torreyana John C. Roos 1965-9-26 Riverside Santa Rosa Mountains 701 Comment
  CAS-BOT-BC434535  Boerhavia triquetra J. C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns., above Palm Desert. 701 Comment
  SDSU13640  Bolboschoenus maritimus subsp. paludosus W. Miller 1972-8-24 Riverside Comment
  SEINET12784924  Bolboschoenus maritimus subsp. paludosus G. Rink 2016-4-10 13774 Riverside At Whitewater Wash and Highway 111 61 Comment
  CDA1760  Bothriochloa ischaemum O. F. Clarke 1967-7-6 C 670706 -1 Riverside At Clarke residence, 1012 Spruce Street, Riverside. 0 Comment
  UCD56839  Bouteloua aristidoides Geoffrey Levin 1976-10-17 1177 Riverside About 11 miles east of Mecca. Box Canyon. Mecca Hills. Salton Sea Basin. 91 Comment
  SEINET8071634 Image available Bouteloua aristidoides var. aristidoides Deidre Conocchioli, Sarah J. De Groot 2013-9-18 50 Riverside Colorado Desert Chocolate Mountains: Valley N of Chocolate Mts. From Desert Center take I-10 W for 9.2 mi. Exit Red Cloud Rd under I-10 onto unpaved powerline road for 0.2 mi. Road parallels old raised railroad for short distance. 442 Comment
  UC665906  Bouteloua aristidoides var. aristidoides Ira L. Wiggins 1941-3-27 9677 Riverside s end of mts 8 mi ne Desert Center; Coxcomb Mountains Comment
  JOTR32609  Bouteloua barbata var. barbata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2673 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  CAS-BOT-BC145636  Bouteloua curtipendula var. curtipendula Peter H. Raven 1958-5-18 12987 Riverside SanJacinto Mountains. Pinon Flats. Comment
  SEINET3240177  Bowlesia incana Steve Boyd 1986-1 1597 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. 610 Comment
  UCR250318  Bowlesia incana A. C. Sanders 2014-4-8 40972 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR260604  Bowlesia incana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41542 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  RSA678938  Brachypodium distachyon Scott D. White, Michael Honer 2003-6-3 9481 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC2029928  Brachypodium distachyon Scott D. White, T. B. Salvato 2001-6-8 8584 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. Comment
  HSC27843  Brandegea bigelovii R. W. Spjut 1973-4-10 3297 Riverside N base of the Chuckawalla Mtn. ca. 3-4 mi. directly S of Desert Center 305 Comment
  HSC7004  Brandegea bigelovii L. S. Rose 1967-12-21 67187 Riverside 2 mi. S of Palm Desert 61 Comment
  JOTR32111  Brandegea bigelovii Harding, Mitzi, Kipp Callahan 2012-8-27 286 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  OBI14836  Brandegea bigelovii Lewis S. Rose 1957-1-8 57018 Riverside Palm Desert 91 Comment
  SBBG7426  Brandegea bigelovii H. and M. Dearing 1936-12-26 1130 Riverside foot of Palms to Pines Hwy Comment
  UC1595706  Brandegea bigelovii W. Wisura, A. King, L. Newcomb 1992-4-10 4677 Riverside n of West Palm Springs (Gorgonio Pass, Stubbe Canyon); Gorgonio Pass, Stubbe Canyon Comment
  UC193128  Brandegea bigelovii E. E. Schellenger 1894-12-3 87 Riverside Colorado Desert, Chuckwalla Wash Chuckwalla Wash; Colorado Desert, Chuckwalla Wash Comment
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  RSA775273  Brassica tournefortii Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2198 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCD114634  Brassica tournefortii G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2723 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Checkwalla Rd. on Graham Pass Rd. Comment
  UCR102744  Brassica tournefortii B. G. Pitzer 1998-2-1 3443 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR250573  Brassica tournefortii A. C. Sanders 2014-4-18 41034 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  CAS-BOT-BC106192  Brickellia desertorum John C. Roos 1950-12-2 5029 Riverside Monson Canyon, Eagle Mts. 914 Comment
  SD137904  Brickellia desertorum Darin L. Banks, Steve Boyd 1995-10-17 776 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  UCR25770  Brickellia desertorum John C. Roos 1943-8-17 2709 Riverside Plateau in Reche Canyon Comment
  OBI31830  Brickellia incana David J. Keil 1978-11-27 s.n. Riverside I-1- exit at Hayfield rd Comment
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Mar 3 2013
  UCR19256  Brickellia incana John C. Roos 1947-11-1 3751 Riverside Sonoran (Colorado) Desert, Eagle Mountains, mouth of Lost Palms Canyon, & up the canyon some distance Comment
  SD135112  Brickellia oblongifolia var. linifolia Craig Reiser, Dylan Hannon 1993-5-30 Riverside Near Santa Rosa Peak Comment
  CAS-BOT-BC483124  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Terrace escarpment between Horsethief Wash and Indian Truck Trail, south of I-15, Temescal Canyon Comment
  UCR191204  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 927 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Clay Hill, 0.7 km south-southwest of the northernmost high point of the Mesa de Burro 573 Comment
  UCR191207  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 928 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Clay Hill, 0.5 km south-southwest of the northernmost high point of the Mesa de Burro 576 Comment
  RSA740623  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2008-7-8 12377 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR104641  Brodiaea terrestris subsp. kernensis D. E. Bramlet 1993-5-4 2336 Riverside Peninsular Range; Gavilan Hills area, Monument Peak Valley. 762 m NW of Monument Peak and 76 m north of the E-W tending dirt road that is between Black Rocks and Monument Peak. 1.2 km SW of the 'bend' (Sec.17) area of Cajalco Rd. 488 Comment
  SEINET901458  Bromus arizonicus A. C. Sanders 1989-1 9068 Riverside City of Riverside, Spontaneous in yard at 422 Campus View Drive Comment
  UC50578  Bromus berteroanus Dr. A. Davidson Riverside Banning Comment
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Mar 21 2011
  POM10228  Bromus berteroanus F. M. Reed 1906-3-17 923 Riverside Mouth of South Fork of Arroyo Tequesquite. Comment
  UCD62681  Bromus berteroanus var. excelsus F. M. Reed 1920-3-20 4170 Riverside Colorado Desert, Murray Canon near Palm Springs. 91 Comment
  RSA0014446  Bromus carinatus Justin M. Wood 2010-3-4 1417 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  RSA683092  Bromus carinatus Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8660 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR2209  Bromus carinatus F. M. Reed 1906-3-21 928 Riverside Roadside in Riverside Comment
  UCR151222  Bromus grandis Scott D. White 1999-6-6 7446 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
  UC1930083  Bromus madritensis subsp. rubens Scott D. White 2001-3-27 8172 Riverside BADLANDS: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/Theodore St. Adjacent to County Landfill. Comment
  RSA673508  Bromus marginatus Scott D. White, Bill La Haye 2000-5-27 7956 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  CLARK-A1528-4544  Bromus mollis John C. Roos 1939-5-27 Riverside Reche Canyon Comment
  CAS-BOT-BC161815  Bromus rubens D. A. Johansen; J. A. Ewan 1932-4-10 7057 Riverside Along diversion canal at mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  RSA776275  Bromus rubens Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 880 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  SBBG497  Bromus rubens C. H. Muller 1952-4-5 9489 Riverside White Water Cyn, 1 mi above White Water Comment
  SEINET14451727  Bromus rubens C. F. Shutts 1949-3-28 90 Riverside Palms to Pine Highway State 74. Santa Rosa Mountains. near Palm Springs 747 Comment
  JEPS49879  Caesalpinia virgata Eleonor Davisson 1967-4-11 Riverside between Mecca and Joshua Tree Nat'l Monument (Box Canyon); Box Canyon Comment
  POM295559  Caesalpinia virgata Lyman Benson, Robert Benson 1952-4-8 14858 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  UC68502  Caesalpinia virgata H. M. Hall Apr. 1905 5779 Riverside 10 mi. w. Coachella 91 Comment
  UCR226789  Caesalpinia virgata Jim Andre 2011-2-9 15908 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UC82887  Calandrinia ambigua C. R. Orcutt 1891-4-24 Riverside Indio Comment
  UCR91658  Calandrinia ciliata Steve Boyd, D. L. Banks 1995-4-5 8425 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  SD68966  Callitriche heterophylla var. bolanderi Robert F. Thorne, P. A. Munz and E. Lathrop 1968-5-8 37594 Riverside Santa Rosa Plateau, Rancho California. 609 Comment
  UCSB9236  Calocedrus decurrens Wilson, Richard 1958-5-17 Riverside 15 miles SE of Banning on State 14 Lower Montane Community 1524 Comment
  SEINET10531058  Calocedrus decurrens David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46538 Riverside Native tree collected in the vicinity of Idylwild in the San Jacito Mts. 2134 Comment
  RSA444479  Calochortus albus J. C. Roos 1960-5-30 s.n. Riverside Ridge between heads of Bedford Canyon and East Fork Ladd Canyon 1220 Comment
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May 20 2011
  UCR35292  Calochortus palmeri var. munzii L. B. Ziegler 1969-7-1 387 Riverside San Jacinto Mtns, Meadows of May Valley, Upper Herkey Creek 1616 Comment
  UCR217567  Calochortus plummerae Jeff B. Galvin 2008-6-11 67 Riverside Peninsular Ranges, Western foothills of the San Jacinto Mountains, Potrero, 4.3 km south of Beaumont and ~ 1 km west of Highland Springs Rd. 750 Comment
  RSA487424  Calochortus splendens Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  SEINET4169992  Calochortus splendens Unknown 1979-5-19 Riverside Box Springs Mountains, Reche Canyon, 5.3 mi N. W. of Moreno 610 Comment
  UCR104171  Calochortus splendens Scott D. White 1997-5-25 5238 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
  RSA525319  Calycadenia tenella Steve Boyd 1990-4-29 4473 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UC473451  Calyptridium monandrum John Thomas Howell 1930-5-10 4806 Riverside at to of St. John's Grade Comment
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Jul 5 2010
  SDSU17434  Calyptridium monospermum C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-26 378 A Riverside San Jacinto Wilderness State Park, Round Valley Campsite. Ca. 50 meters east of stone buildings near trail junction, along west edge of Round Valley. 2755 Comment
  UC56829  Calystegia sepium subsp. binghamiae H. M. Hall Aug 1901 Riverside along Spring Brook (vicinity of Riverside); , along Spring Brook 259 Comment
  POM50787  Camissonia bistorta E. C. Jaeger 1925-3-21 s.n. Riverside Pachanga 610 Comment
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Oct 1 2013
  RSA465914  Camissonia bistorta N. C. Cooper 1944-5-6 1173 Riverside Banning. 701 Comment
  RSA543743  Camissonia bistorta Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6047 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA711220  Camissonia bistorta A. C. Sanders 2004-4-9 27471 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  UCR21982  Camissonia bistorta Steve Boyd 1980-4-8 111 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR166535  Camissonia boothii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10897 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR249508  Camissonia boothii subsp. condensata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7282 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
  SEINET3108356  Camissonia brevipes subsp. brevipes Sears 1978-3-16 814 Riverside 3.5 mi SE of Midland in desert pavement adjacent to wash area. 244 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
  UCR120929  Camissonia californica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24928 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR133410  Camissonia californica Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 324 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR199623  Camissonia californica Scott D. White, Angelia Carey 2004-7-2 10562 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR35219  Camissonia californica L. B. Ziegler 1968-5-11 288 Riverside San Jacinto Mountains foothills, mouth of Bautista Canyon 610 Comment
  SEINET7048153  Camissonia californica Steven R. Hill 2001-5-3 33654 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  JOTR16757  Camissonia campestris subsp. campestris Dengler, A. 1966-5-31 s.n. Riverside Joshua Tree National Park. LOST HORSE RANGER STATION 1249 Comment
  RSA768765  Camissonia chamaenerioides Jim Andre, Tasha La Doux 2010-2-28 12560 Riverside Lower Colorado River Valley; along Hwy 94 approx. 25 miles north of Blythe, on east side of Big Maria Mountains. 83 Comment
  UCR166017  Camissonia claviformis Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR19028  Camissonia claviformis John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR275137  Camissonia claviformis David Fraker, Aaron C. Sedgwick 2012-4-4 063 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  SEINET10492068  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7471 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s, r10e, sec35. Common to abundant in wash. Petals cream with reddish base. 244 Comment
  RSA135222  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11487 Riverside Salt Creek wash, 2.6 miles north of Durmid, east side of Salton Sea. Comment
  RSA135288  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11470 Riverside Desert Canyon bottom on road to Cottonwood Springs 4.5 miles north of State Highway 195. Comment
  SDSU3351  Camissonia confusa H. Wedberg 1958-3-30 198 Riverside 7.7 mi. east of Hemet city limit on Hwy. 74, at edge of flood-wash Comment
  UCR117392  Camissonia confusa S. J. Myers 1991-4-15 91- 3 Riverside City of Banning, west of Fields Road, north of I-10 and south of the Morongo Indian Reservation. 671 Comment
  POM306066  Camissonia hirtella Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1320 Riverside Santa Rosa Mountains. Comment
  UCR90416  Camissonia intermedia D. L. Banks, Steve Boyd 1995-4-5 0137 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. 610 Comment
  RSA779065  Camissonia micrantha C. P. Cowan 1978-4-25 1278 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  SEINET244295  Camissonia micrantha A. C. Sanders, T. B. Salvato 2000-5-8 23383 Riverside San Bernardino Valley; Riverside, UCR Botanical Garden E side of the campus 396 Comment
  POM3233  Camissonia pallida subsp. pallida I. M. Johnston 1917-4-4 1110 Riverside Palm Canyon, near Palm Springs. Comment
  POM299273  Camissonia refracta A. M. Alexander, Louise Kellogg 1941-5-15 2184 Riverside Base of Eagle Mountains. 915 Comment
  RSA449050  Camissonia refracta Anstruther Davidson 1926-3-1 s.n. Riverside Near Mecca. Comment
  UC1979872  Camissonia refracta Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 765 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  POM9585  Camissonia strigulosa I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  SD124059  Camissoniopsis bistorta Robert F. Thorne, Drs. Fosberg, Sachet & Herbst 1983-4-23 55481 Riverside San Bernadino Mountains: Sandy wash along Whitewater River where road crosses river below fish hatchery. Circa 4 miles North of Whitewater Post Office. 640 Comment
  SD148111  Camissoniopsis bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23426 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley rd., 2 miles due east of railroad Canyon Lake (Romoland 7.5' Q.) on decomposed granite slopes along a dirt road, generally N-facing slopes with sandy soil 438 Comment
  SDSU3392  Camissoniopsis pallida subsp. hallii H. Wedberg 1958-4-4 231 Riverside About 8 miles up Morongo Canyon from Hwy 60, 70, 99. Comment
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Jan 24 2013
  UCSB10563  Camissoniopsis pallida subsp. pallida Lloyd, Robert 1960-3-23 Riverside One mile from U.S. HiWay 99 on road (St. 111) to Palm Springs, San Jacinto Mt. Range 396 Comment
  CAS-BOT-BC334211  Capsella bursa-pastoris T. B. Salvato; Mike Landers 2013-3-22 7389 Riverside Perris-Aguanga Basin: southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  UCR99563  Cardamine B. G. Pitzer 1996-12-8 2935 Riverside Upper Santa Ana River/San Bernardino Valley Region, City of Riverside, UCR campus, lawn in front of Riverside Campus Federal Credit Union, on Canyon Crest Dr. 335 Comment
  CDA7745  Cardamine hirsuta Mike Lahti 2008-1-29 PDR# 1473076 Riverside Temecula, 43401 Anza Rd. 0 Comment
  OBI74759  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills: HemetT5S, R1W S26 610 Comment
  UC837260  Carex P. A. Munz 1922-7-6 6040 Riverside summit San Jacinto Peak 3291 Comment
  RSA364682  Carex praegracilis H. de Forest s.n. Riverside E of Coachella Valley. Chino Canyon. Colorado Desert Comment
  UC1930090  Carex praegracilis Scott D. White, Justin Wood 2008-4-3 11795 Riverside Perris/Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. (Lake Matthews) Comment
  UC1930096  Carex praegracilis Scott D. White, Justin Wood 2008-6-5 12089 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  RSA527846  Carex triquetra Scott D. White 1991-5-13 91 -103 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UCR121189  Carex triquetra D. E. Bramlet 1990-4-26 1973 Riverside Rawson Canyon, c. 6300 ft. (1.2 mi.) south of Crown Valley and 8,500 ft. NW of Black Mountain 585 Comment
  RSA562104  Castilleja affinis Steve D. Boyd 1992-4-14 6802 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCD122168  Castilleja affinis A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23899 Riverside Perris-Aguanga Basin region: Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta. 396 Comment
  UCSB42128  Castilleja affinis subsp. affinis Roos, John 1966-4-5 Riverside Winchester Comment
  UCR39547  Castilleja applegatei A. C. Sanders 1980-7-18 1664 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCR146438  Castilleja applegatei subsp. martini R. F. Thorne, Et al. 1969-6-24 38086 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  POM11505  Castilleja applegatei subsp. martinii Philip A. Munz 1922-7-7 6036 Riverside Above Tamarrack Valley. 2927 Comment
  RSA9765  Castilleja applegatei subsp. martinii Louis C. Wheeler 1931-10-3 193 Riverside Among boulders on summit. Tahquitz Peak, San Jacinto Mts. 2691 Comment
  UCR133187  Castilleja densiflora subsp. gracilis Frank C. Vasek 1978-5-12 s.n. Riverside Santa Ana Mtns., Tenaja Road, c. 0.5 mi. east of Clinton Keith Rd. 671 Comment
  SEINET7042770  Castilleja exserta W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  RSA0010937  Castilleja exserta subsp. exserta H. de Forest, Jack Rempel 1934-4-14 19806 Riverside San Gorgonio Pass. 602 Comment
  POM310144  Castilleja foliolosa Hulda Crooks 1946-4-15 346 Riverside 29 Palms Canyon 396 Comment
  UCR39195  Castilleja foliolosa M. L. Rosczyk, G. K. Helmkamp 1985-4-4 231 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, The Nature Conservancy's Big Morongo Preserve, south of Morongo Valley. Main canyon, one-half mi. below the BLM gate 518 Comment
  UC495228  Castilleja minor subsp. spiralis Commander Dammers Oct 1930 Riverside Palm Springs Comment
  UC885439  Castilleja minor subsp. spiralis P. A. Munz 1922-6-23 5767 Riverside Keen Camp; San Jacinto Mts. 1524 Comment
  RSA531106  Caulanthus cooperi Christopher Davidson 1973-4-19 1993 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  RSA525420  Caulanthus heterophyllus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4528 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
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Mar 13 2008
  RSA746820  Caulanthus heterophyllus Michael Honer 2003-4-16 1832 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 640 Comment
  CAS-BOT-BC40269  Caulanthus lasiophyllus P. A. Munz; L. F. Street 1919-5-7 2739 Riverside Tahquitz Canyon. 228 Comment
  UCR241844  Caulanthus lasiophyllus var. rigidus A. C. Sanders, Timothy W. Chumley 2013-3-29 40716 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, 0.63 km NW of Riverside Dr./Hwy 74 408 Comment
  RSA575071  Ceanothus crassifolius Steve Boyd 1981-3-4 575071 Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA606770  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27361 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SD140013  Ceanothus crassifolius Scott White 1993-4-22 1329 Riverside North Alberhill Ranch, in hills N of Walker Canyon 487 Comment
  CDA35557  Ceanothus cuneatus Mike Lahti 2008-5-27 PDR# 1473200 Riverside Hemet, 37166 Sage Rd., X East Benton Rd. 0 Comment
  RSA575054  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -H Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA720438  Ceanothus greggii var. perplexans Naomi Fraga, Tim Thibault 2006-5-16 1669 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  CAS-BOT-BC51287  Ceanothus leucodermis H. E. McMinn 1925-7-2 1498 Riverside Tahquitz trail - San Jacinto Range Comment
  RSA262096  Ceanothus leucodermis E. W. Lathrop 1969-5-9 7029 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  RSA85506  Ceanothus leucodermis J. C. Roos 1952-4-23 5574 Riverside 1/2 mi. southwest of Highgrove. 305 Comment
  UCD112263  Ceanothus leucodermis R. Tofsrud 1951-4-25 s.n. Riverside Santa Ana Mts. Above Elsinore. 304 Comment
  UCD112269  Ceanothus leucodermis R. S. Woglum 1941-6-12 3058 A Riverside Idylwild. Comment
  POM254875  Ceanothus oliganthus W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  RSA221012  Ceanothus oliganthus E. W. Lathrop 1966-4-28 6221 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. Comment
  SD225088  Ceanothus palmeri Scott D. White 1996-8-15 4476 Riverside Idyllwild Area: USFS Rd. 5S10 at jct. w/foot trail 2E16, at an intermittent stream channel. 1631 Comment
  RSA0022326  Ceanothus perplexans Scott D. White, Angelia Carey 2004-7-2 10591 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR35173  Ceanothus perplexans L. B. Ziegler 1969-4-21 349 Riverside San Jacinto Mtns., Pinyon Flats 1200 Comment
  UCD57824  Cenchrus longispinus H. S. Yates 1937-6-28 6734 Riverside Palm Springs 137 Comment
  CLARK-A1528-4569  Cenchrus pauciflorus John C. Roos, Lucille Roos 1952-7-15 5811 Riverside Hemet 487 Comment
  POM351510  Centaurea melitensis M. M. Thompson 1947-6-9 C 2074 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA0055011  Centaurium exaltatum James R. Shevock 1971-9-18 1310 Riverside Vail Lake. 457 Comment
  CLARK-A1528-2946  Centaurium venustum John C. Roos 1952-6-13 5766 Riverside Reche Canyon 457 Comment
  UCR174448  Centaurium venustum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32505 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
  UCR201635  Cerastium glomeratum Scott D. White, Justin M. Wood 2008-6-18 12219 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  UCR102903  Cercocarpus betuloides Bern Schwenn 1998-5-9 s.n. Riverside Mojave Desert, Joshua Tree National Park, upper Smith Water Canyon, near Lower Covington Flat Picnic Area 1357 Comment
  CAS-BOT-BC135451  Cercocarpus betuloides var. betuloides Lathrop; Thorne 1967-9-26 6608 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  CAS-BOT-BC135456  Cercocarpus betuloides var. betuloides L. R. Abrams 1908-7-21 s.n. Riverside Santa Ana Mountains, near Elsinore Comment
  RSA561098  Chaenactis artemisiifolia Steve Boyd 1993-5-12 7335 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  SD187337  Chaenactis artemisiifolia Scott D. White, Angelia Carey 2004-4-16 10151 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UCR202238  Chaenactis artemisiifolia 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
  OBI51893  Chaenactis carphoclinia David Charlton 1988-2-25 1227 Riverside S side of Little San Bernardino Mts. Dillon Rd and 1000 Palms Oasis Rd jct S of Joshua Tree Natl Park, parallel to i-10. 5 mi E of jct Dillon rd and Fargo Cyn rd 610 Comment
  SBBG25008  Chaenactis carphoclinia D. Myrick 1966-4-1 1349 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  SBBG7866  Chaenactis carphoclinia C. H. Muller 1952-4-6 9506 Riverside ca. 1 mi N of S entrance to Joshua Tree Nat Monument Comment
  SEINET4143283 Image available Chaenactis carphoclinia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4615 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock 402 Comment
  UCD130227  Chaenactis carphoclinia P. C. Everett; E. K. Balls 1958-4-29 23012 Riverside U.S. Highway 60/70, Indio to Blythe, 6.5 miles east from junction with U.S. Hwy. 99. 243 Comment
  UC566687  Chaenactis fremontii H. L. Mason 1928-3-11 4328 Riverside near Indio Comment
  UCR85082  Chaenactis fremontii A. C. Sanders, George K. Helmkamp, P. J. MacKay 1995-3-12 16032 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA779693  Chaenactis stevioides Duncan S. Bell 2010-4-2 704 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  VVC2109  Chamaesyce abramsiana Tim Thomas 2012-8-23 5874 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  RSA0013034  Chamaesyce albomarginata LeRoy Gross, Caitlin Elam 2013-5-14 6057 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCSB17153  Chamaesyce albomarginata Wright, David 1963-5-5 Riverside Herkey Creek Campground, about 16 miles south of Palm Desert 1036 Comment
  RSA605743  Chamaesyce nutans A. C. Sanders, G. K. Helmkamp 1996-3-17 17976 Riverside Coachella Valley: North Palm Springs (Garnet), I-10 at Indian Ave., N of Garnet Ave. 250 Comment
  JEPS22519  Chamaesyce polycarpa Rimo Bacigalupi with Paul Hutchison 1958-2-19 6191 Riverside 9.4 mi n Blythe (in wash); western base of Big Maria Mtns 167 Comment
  RSA0080444  Chamaesyce polycarpa Sarah J. De Groot, Amy Rouillard 2015-9-15 7575 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  POM14987  Chamaesyce serpillifolia Mary F. Spencer 1922-6-30 939 Riverside Idyllwild, San Jacinto Mts. 1829 Comment
  RSA599292  Chamaesyce serpillifolia subsp. hirtula L. C. Wheeler 1945-10-7 6144 Riverside San Jacinto Mountains. Fuller Mill Creek, North Fork San Jacinto River. 1828 Comment
  RSA388055  Cheilanthes clevelandii Steve Boyd, C. Boyd, B. Roy 1986-2-2 1201 Riverside Highway 79: At Riverside-San Diego County Line. Comment
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Jan 9 2013
  RSA660498  Cheilanthes clevelandii A. C. Sanders, Mitch Provance 2000-1-23 23312 Riverside Lake Skinner area: summit of Black Mtn. 915 Comment
  RSA752550  Cheilanthes covillei Justin M. Wood 2009-3-10 340 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  UC399603  Cheilanthes covillei I. M. Johnston 1917-4-4 1113 Riverside Palm Canyon 762 Comment
  IRVC3131  Cheilanthes newberryi Charley Ford 1965-4-20 HS 0583 Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  RSA739320  Cheilanthes parryi Keith E. Hoffmaster 1933-4-13 27 Riverside Palm Springs. Comment
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Aug 27 2011
  POM9748  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  UCR225439  Chenopodium A. C. Sanders, T. B. Salvato 2011-3-29 38846 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR113607  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside Riverside, railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  UCR113721A  Chenopodium berlandieri Mitch Provance 2000-7-30 2171 A Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 305 Comment
  POM123177  Chenopodium californicum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA567983  Chenopodium californicum Karin Cleary 1992-4-6 112 Riverside Drainage depression W of California St., Reinholt Canyon, Hemet. 579 Comment
  UCR23310  Chenopodium californicum John C. Roos 1952-4-16 5560 Riverside Box Springs Mountains, Pigeon Pass 366 Comment
  JOTR01007  Chenopodium incanum var. occidentale Cole, James E. 1941-6-17 918 Riverside Joshua Tree National Park. IN LIVE OAK TANK, DRY 1219 Comment
  UCD84943  Chenopodium murale Chuck Hughes 2010-3-26 215 Riverside About 8.9 miles south of Highway 62. 328 Comment
  UCR112591  Chenopodium murale Mitch Provance, Seychelle Provance 1998-2-17 85 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
  UCR115164  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2255 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  UCR25982  Chenopodium strictum var. glaucophyllum John C. Roos 1951-9-25 5295 Riverside Riverside 259 Comment
  RSA0108979  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 286 Comment
  RSA455300  Chilopsis linearis Robert L. Rutherford 1943-9-11 904 Riverside Banning. Comment
  JEPS9180  Chilopsis linearis subsp. arcuata W. L. Jepson 1914-5-18 5999 Riverside Pinyon Well grade Pinyon Well grade Comment
  SBBG68705  Chilopsis linearis subsp. arcuata M. N. Ackley 1928-3-31 21 Riverside Painted Cyn 30 Comment
  UCR266259  Chloracantha spinosa D. E. Bramlet 2006-8-11 4046 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet at Hemet-Ryan Airport 459 Comment
  UCR20458  Chloris virgata John C. Roos 1952-9-3 5897 Riverside Riverside, Citrus Experiment Station 305 Comment
  POM263173  Chloris virgata J. C. Roos 1957-8-20 356 Riverside Blythe. Comment
  UCR277700  Chorizanthe Mitch Provance 2012-4-1 412- 37 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
  SJSU9102  Chorizanthe brevicornu T. N. Seeno 1963-4-12 277 Riverside 10-12 mi N of Palm Springs 426 Comment
  RSA718829  Chorizanthe brevicornu Michael Honer, L. Hulse 2004-4-3 1922 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  RSA776508  Chorizanthe brevicornu Amber Swanson, Duncan S. Bell 2011-3-10 209 Riverside Box canyon, SW side of Mecca Hills 72 Comment
  JOTR16632  Chorizanthe brevicornu var. brevicornu Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  RSA392605  Chorizanthe brevicornu var. brevicornu F. R. Fosberg 1932-3-13 8066 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA561865  Chorizanthe fimbriata Steve Boyd, Tim S. Ross 1992-6-10 7625 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01), and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA392690  Chorizanthe fimbriata var. fimbriata M. M. Thompson 1947-6-9 C 2068 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR48414  Chorizanthe leptoceras Steve Boyd 1986-4-22 1738 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR66982  Chorizanthe leptoceras D. E. Bramlet, D. J. Bradney 1989-6-12 1915 Riverside Arroyo Seco, 1000 ft. south of Hwy 79 and 700 ft west of U.S.F.S. Dripping Springs Campground, on sandy beaches c. 200 ft. west of Arroyo Seco channel 485 Comment
  JEPS57753  Chorizanthe leptotheca W. L. Jepson 1901-5-27 1479 Riverside between Cahuilla Valley and Aguanga 624 Comment
  RSA392689  Chorizanthe leptotheca H. de Forest, Jack Rempel 1933-6-25 s.n. Riverside San Jacinto Mts. Comment
  RSA574740  Chorizanthe leptotheca Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon, along Indian Wash, S of Di Palma Road and I-15. 366 Comment
  SDSU4907  Chorizanthe leptotheca Wende Rehlaender 1983-5-28 113 Riverside Santa Rosa Mountains. Big Horn Sheep Lookout: on NW rim of Deep Canyon, about 15 miles along Hwy 74 from Palm Desert; just SE of Sugarloaf Mtn., 5 miles NE of Santa Rosa Mtn. Comment
  UCR104614  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-25 2359 Riverside Santa Ana Mtns, Elsinore Mtns., c. 730 m SW of Grand Ave. and 305 m SW of Akley Street. 1.7 km NE of Forest Service Road 6S07 Comment
  UCR194231  Chorizanthe parryi var. parryi Scott D. White 2006-4-28 11321 Riverside Elsinore Basin, Wildomar, east of the I-15 Fwy and north of Baxter Road. South and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills 488 Comment
  RSA356652  Chorizanthe polygonoides var. longispina Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47305 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UCR228830  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato 2011-4-4 38973 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  JOTR35040  Chorizanthe rigida La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3493 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA586797  Chorizanthe staticoides D. L. Banks, S. D. Boyd 1995-5-3 235 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
  CLARK-A1528-1770  Chrysopsis villosa John C. Roos 1937-8-19 2499 Riverside San Jacinto Mountains Comment
  RSA38274  Chrysothamnus nauseosus subsp. consimilis P. A. Munz 1946-10-19 11572 Riverside Upper end of Palm Canyon at jct of hwy 74 and road to old Santa rosa Indian Village 1220 Comment
  CLARK-A1528-1731  Chrysothamnus paniculatus John C. Roos 1965-11-6 Riverside Whitewater 304 Comment
  SEINET3102125  Chrysothamnus paniculatus Marc A. Baker, Michelle Cloud-Hughes 2011-10-13 17476 Riverside Cottonwood Mountains, Pinkham Canyon, 45km ESE of Palm Springs, 26km NW of Chiriaco Summit, 2.5km south of the Snow Cloud Mine. 808 Comment
  UC68588  Chylismia brevipes subsp. arizonica H. M. Hall May, 1905 5974 Riverside Hodges Mts. Colorado Desert 121 Comment
  UC1184319  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11749 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  CAS-BOT-BC160603  Chylismia claviformis subsp. aurantiaca P. A. Munz 1940-3-24 15711 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  UC708731  Chylismia claviformis subsp. aurantiaca H. K. Wagnon 1944-4-2 381 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  UCSB4509  Chylismia claviformis subsp. aurantiaca Krogen, Roger 1957-1 Riverside 4 mi. S of Jct. of HWY 195 and HWY 60-70; at N edge of Orocopia mts Comment
  JOTR38693  Chylismia claviformis subsp. claviformis Hodges, Stephen R. 2017-2-7 709 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  POM306147  Cirsium occidentale var. californicum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1338 Riverside Santa Rosa Mountains. Comment
  RSA500558  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3601 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA740254  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains: Johnson Meadow 1415 Comment
  RSA747969  Cistanthe monandra Justin M. Wood 2009-5-11 685 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  RSA162768  Clarkia dudleyana J. D. Olmsted 1959-4-30 510 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona; Mt. Range: Santa Ana Mts; Drainage area: to Santa Ana River. Comment
  UCR92053  Clarkia epilobioides Scott D. White, M. Jacobsmeyer 1996-4-20 3954 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  SEINET255567  Clarkia purpurea Unknown 2005-5-7 30034 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  SEINET3093392 Image available Clarkia purpurea B. Pitzer, K. Kirtland 1986-5-20 222 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley, in the Rancho California area, 1 mi. S of Buck Mesa on the E side of Butterfield Stage Road. Comment
  CLARK-A1528-646  Clarkia purpurea subsp. quadrivulnera 1972-5-17 OO 642 Riverside Morongo Indian Reservation 1158 Comment
  CSUSB229  Clarkia purpurea subsp. quadrivulnera R. P. Sunderman 1968-5-2 Riverside University of California, Riverside (UCR). 335 Comment
  RSA220999  Clarkia rhomboidea E. W. Lathrop 1966-5-8 6407 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR176752  Clarkia similis Joseph Cahill 1998-5-20 6- 02 Riverside Peninsular Range, Box Springs Mountains, 0.5 mi. up along trail from parking lot off Pigeon Pass Rd. from Moreno Valley 732 Comment
  UCR241397  Claytonia parviflora T. B. Salvato 2013-3-22 7390 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  VVC423  Claytonia parviflora A. C. Sanders, J. Mac 1997-5-4 20634 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
  RSA614412  Claytonia perfoliata D. L. Banks 1997-3-16 1545 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UCR138726  Claytonia perfoliata Julie A. Greene 1993-4-10 1128 Riverside San Jacinto Wildlife Area 476 Comment
  UCR174047  Claytonia perfoliata A. C. Sanders 2006-5-19 32460 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
  UCR268590  Claytonia perfoliata subsp. mexicana Jim Andre 2012-6-15 30539 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  SBBG112483  Clematis pauciflora C. Bornstein 1994-5-1 Riverside Barker Dam; Joshua Tree Nat Monument 1280 Comment
  UCR116073  Clematis pauciflora O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  RSA440813  Cleome isomeris T. S. Clare 1931-01 s.n. Riverside Colorado Desert. Comment
  RSA0117416  Collinsia concolor R. S. Woglum 1939-4-23 2185 Riverside Hemet to Anza, Riverside ( west-central to south-central) Comment
  RSA0117429  Collinsia concolor Steve D. Boyd, Orlando Mistretta 1991-5-22 6299 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  CSUSB916  Collinsia heterophylla Steve Kulju 1974-5-16 Riverside Santa Ana Mountains Santa Ana Mountains near Murrieta on Tenaja Road, 6.7 miles southwest of Washington Ave. 548 Comment
  UCR25368  Collinsia heterophylla John C. Roos 1952-4-13 5530 Riverside Riverside, Box Springs Mountains 488 Comment
  UCR168612  Collomia grandiflora T. B. Salvato, John F. Green 2004-5-27 578 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC52500  Colubrina californica I. M. Johnston 1930-6-15 3788 Riverside North of Mecca-Blythe road, in canyons at southeastern end of Eagle Mts. Comment
  RSA45543  Colubrina californica J. C. Roos 1949-4-10 4231 Riverside 3.5 mi. SE of Desert Center, Chuckwalla Mountains. 610 Comment
  UCR90495  Conium maculatum F. M. Reed 1933-6-27 7865 Riverside South Coast; San Bernardino Valley, Riverside, Bluffs Ranch, Chicago Ave near Arroyo Tequesquite, in Little Arroyo (Arroyo Chico) 293 Comment
  UC1584111  Convolvulus simulans Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3890 Riverside cinder cone ridge at n side of mouth of Temecula Creek Cyn (s flank of mt.); Vail Lake Area, Big Oak Mtn. 396 Comment
  UCR189581  Convolvulus simulans Diane Menuz 2006-5-23 104 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  UCR241782  Convolvulus simulans A. C. Sanders, Timothy W. Chumley 2013-3-29 40718 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, 0.91 km NW of Riverside Dr./Hwy 74 403 Comment
  UCR90369  Conyza bonariensis Scott D. White 1995-6-30 3426 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UC468806  Conyza canadensis F. M. Reed 1905-9-25 406 Riverside Terraces Ranch Comment
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Oct 20 2007
  UCR132920  Cordylanthus rigidus 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
  RSA0010997  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1631 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  POM15182  Coreopsis californica Mary F. Spencer 1922-4-10 653 Riverside Snow Creek prope [near] Palm Springs Comment
  RSA33573  Coreopsis californica Norman C. Cooper 1944-3-25 1024 Riverside Cabazon. 457 Comment
  RSA395352  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  CAS-BOT-BC101309  Corethrogyne filaginifolia I. W. Clokey; E. G. Anderson 1935-8-21 6963 Riverside East of Keen Camp P.O. 1350 Comment
  POM356161  Corethrogyne filaginifolia M. M. Thompson 1947-8-23 c 2051 Riverside Los Alamos Canyon, Elsinore Mtns. 762 Comment
  POM49860  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1924-7-29 8858 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA192329  Corethrogyne filaginifolia E. W. Lathrop 1966-9-14 6596 Riverside 3 miles SW of Murrieta. Comment
  RSA93115  Corethrogyne filaginifolia F. W. Peirson 1928-9-6 8206 Riverside 1 mile W of Cabazon, San Gorgonio Pass Comment
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Mar 13 2011
  UC895237  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6961 Riverside e Keen Post Office; Hillside 1350 Comment
  RSA614173  Crassula connata D. L. Banks 1997-2-23 1286 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  UCR229494  Cressa truxillensis Jeremiah George 2011-7-14 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, Nichols Rd. just west of Collier Ave. junction 384 Comment
  JOTR29599  Crossosoma bigelovii Andre, Jim 2006-4-26 6756 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  SEINET3083354 Image available Crossosoma bigelovii P. Leary 1975-2-25 943 Riverside Joshua Tree National Monument, 2.3 miles SE of Agua Peak, Coxcomb Mountains 975 Comment
  CHSC109025  Croton californicus Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4604 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
  JOTR28933  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA777342  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4711 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
  RSA778142  Croton californicus J. Andre 2011-2-2 16215 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
  RSA788557  Croton californicus Duncan S. Bell 2012-3-8 3147 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  RSA796020  Croton californicus Duncan S. Bell 2009-4-18 244 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UC1922002  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  UCR116007  Croton californicus A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23304 Riverside Shipley-Skinner Reserve, Tucalota Creek at horse trail crossing east of Lake Skinner 457 Comment
  UCR226995  Croton californicus Jim Andre 2011-2-2 16215 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR235075  Croton californicus A. C. Sanders, John F. Green 2012-6-1 40226 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  UCR245236  Croton californicus Jim Andre 2012-3-19 21343 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  SEINET11263871  Croton setiger T. B. Salvato, Melissa Clemons 2005-6-23 1287 Riverside Penninsular Range, Temescal Valley, Alberhill, instersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at bsse of Walker Canyon (Alberhill 7.5' Q); 0 378 Comment
  UCR281113  Crypsis vaginiflora Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-23 517- 27 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  RSA0124008  Cryptantha Duncan S. Bell, Thomas Stoughton 2016-4-13 9243 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  JOTR35292  Cryptantha angustifolia Andre, Jim 2012-4-11 20785 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  NY1154342  Cryptantha angustifolia N. H. Holmgren 1973-3-22 6468 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  SBBG104073  Cryptantha angustifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12111 Riverside within 0.5 mi of McCoy Spring; alluvial slopes below and to the S and cyn bottom above the spring 243 Comment
  SEINET3005003  Cryptantha angustifolia G. Rink 2011-4-4 10431 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  SEINET4557943  Cryptantha angustifolia Naomi Fraga, David Fraker, Brett Griffin 2012-1 3949 Riverside Mojave Desert, Southcentral Mojave Desert Region: off of Box Canyon Rd. S. of Shaver well in a wash. 70 Comment
  UC1563071  Cryptantha angustifolia Steve Boyd and Orlando Mistretta 1986-3-13 1438 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  POM311695  Cryptantha barbigera Wm. Jeffrey 1957-4-3 145 Riverside 1 mile from mouth of Whitwater Canyon. 610 Comment
  SD216465  Cryptantha barbigera Carol R. Annable 1995-3-10 2264 Riverside 1.6 kilometers South of Lake Cahiulla County Park. Comment
  UC1178556  Cryptantha barbigera Peter Kamb 1948-4-11 880 Riverside e of Garnet (aqueduct road); Coachella 304 Comment
  JOTR35277  Cryptantha barbigera var. fergusoniae Andre, Jim 2012-4-16 20975 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UCR261416  Cryptantha barbigera var. fergusoniae A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41437 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR181339  Cryptantha corollata Mitch Provance 2003-4-5 6520 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
  RSA780960  Cryptantha costata Stephanie Rockwood, Christi Gabriel 2011-12-14 219 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 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
  SD248140  Cryptantha costata J. M. Andre 2013-3-27 24795 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  RSA0079340  Cryptantha cycloptera L. C. Wheeler 1953-3-31 7036 Riverside Near Mountaineer Mine. Comment
  RSA0119885  Cryptantha decipiens Duncan S. Bell, Thomas Stoughton 2016-4-12 9219 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  POM369556  Cryptantha holoptera M. B. Dunkle 1933-3-4 3032 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UCR244861  Cryptantha inaequata Jim Andre 2012-3-19 21382 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  RSA741608  Cryptantha intermedia Scott D. White, Justin M. Wood 2008-6-16 12126 Riverside Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  SEINET3101919  Cryptantha intermedia Marc A. Baker, with Michelle Cloud-Hughes 2011-6-10 17362 .1 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain Comment
  UC56844  Cryptantha intermedia H. M. Hall 1902-4-26 2991 Riverside vicinity Riverside 365 Comment
  UCR188670  Cryptantha intermedia Amanda Lovelady, Tina Hofmann 2007-5-20 30 Riverside Peninsular Range; Santa Ana (Elsinore) Mtns., c. 4 miles SW of city of Lake Elsinore, Cleveland National Forest, Morgan Trailhead at Main Divide Truck Trail, and surrounding area, between heads of Morrell and Decker Canyons 854 Comment
  UCR234316  Cryptantha intermedia A. C. Sanders, John F. Green 2012-3-20 39971 Riverside Peninsular Range; Gavilan Hills Area, eastern side of city of Lake Elsinore, off Hwy 74 near Crater Dr. 446 Comment
  SDSU20037  Cryptantha intermedia var. intermedia Michael G. Simpson 2012-4-27 3686 Riverside Skunk Hollow Vernal Pool Preserve, slight slope ca. 300 feet south of southern end of vernal pool. 419 Comment
  RSA0075623  Cryptantha intermedia var. johnstonii Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  POM118681  Cryptantha maritima Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR213258  Cryptantha maritima A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37451 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR217797  Cryptantha maritima Jim Andre, T. La Doux 2010-2-28 12557 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR276658  Cryptantha maritima Jim Andre 2015-3-6 33569 Riverside Coachella Valley, far northwest corner of valley, 0.5 mile west of Hwy 62 at mouth of Dry Morongo Wash, 0.3 mile north of (dirt) Kolbe Road 561 Comment
  SEINET10456346  Cryptantha maritima David B. Dunn 1948-2-21 Dunn 3676 Riverside Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  RSA704540  Cryptantha maritima var. pilosa LeRoy Gross 2005-3-3 1584 -b Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA721898  Cryptantha maritima var. pilosa J. Mark Porter, Orlando Mistretta 2003-6-5 13606 -A Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  RSA340179  Cryptantha micrantha R. F. Thorne, W. A. Tilforth 1980-5-28 54188 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  POM48717  Cryptantha micrantha var. lepida P. A. Munz, I. M. Johnston 1924-7-29 8843 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UCR162407  Cryptantha micrantha var. lepida S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  RSA699336  Cryptantha muricata J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  UC280510  Cryptantha muricata C. R. Orcutt Apr 1889 Riverside Colorado Desert Comment
  UCR41309  Cryptantha muricata N. M. Fellows 1984-3-20 6 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  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
  VVC126  Cryptantha muricata A. C. Sanders, J. Mac 1997-5-4 20658 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
  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
  UCR269226  Cryptantha nevadensis T. B. Salvato, Arlee Montalvo 2015-8-22 8236 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  UCR41610  Cryptantha pterocarya var. cycloptera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6119 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR39238  Cryptantha utahensis M. L. Rosczyk, G. K. Helmkamp 1985-4-4 213 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, The Nature Conservancy's Big Morongo Preserve, south of Morongo Valley. Main canyon, one-half mi. below the BLM gate 518 Comment
  RSA735070  Cucurbita foetidissima Scott D. White, Angelia Carey 2004-6-4 10475 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR20830  Cucurbita foetidissima A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1297 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR177703  Cuscuta brachycalyx Michael Wall 1996-7-6 192 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W side of Ramona Expressway in swale beginning 0.4 mi SE of Sanderson continuing for >0.5 mi. 488 Comment
  CDA39910  Cuscuta californica var. californica R. F. Thorne 1963-7-26 32821 Riverside Santa Ana Mountains; Cleveland National Forest, Trabuco District. 0 Comment
  SEINET3071827  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17509 Riverside Pilot Mountain quadrangle, zone 11 0655330mE 3721650mN NAD83, Corn Springs, north side of Chuckwalla Mountains, 12km SSE of Desert Center, 85km east of Indio 498 Comment
  SEINET9037749 Image available Cylindropuntia californica var. parkeri M. A. Baker, Chris Taylor 2015-1 18367 Riverside The Badlands, 2.3km SSE of the intersection of San Timoteo Road and Redlands Blvd., 28km ENE of Riverside, 0.6km south of San Timoteo Wash 573 Comment
  RSA0120485  Cylindropuntia chuckwallensis Duncan S. Bell, Thomas Stoughton 2016-3-17 8963 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  SEINET3099346 Image available Cyperus G. Rink, M. Baker, T. Thomas. M. Honer, A. Karl 2010-10-2 10333 b Riverside Private. Canal two miles north of Blythe. 70 Comment
  RSA522720  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3811 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SDSU14295  Cyperus involucratus Robin P. Silverstein, Taxonomy of CA Plants class, M. G. Simpson, instructor 2000-4-1 6 Riverside Santa Margarita Ecological Reserve. Next to concrete drainage, under telephone wire, east bank of river, 1/10 of a mile south of northside Field Station. 244 Comment
  UCR265057  Cyperus involucratus Mitch Provance 2012-11-9 612- 52 Riverside San Bernardino Valley, Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  UCR59690  Cyperus involucratus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3578 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  RSA613957  Cyperus odoratus A. C. Sanders 1994-7-27 15164 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 246 Comment
  UC1559  Cyperus odoratus Samuel B. Parish 1891-11-3 2247 Riverside Elsinore Lake Comment
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Aug 8 2010
  SEINET10773991  Dalea J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12828 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then ca 1.3 km on Whitewater Canyon Road. Comment
  RSA0042919  Dalea mollis Duncan S. Bell, Evan Meyer 2014-4-2 6496 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA498350  Dalea mollis Martha Hilend 1928-4-15 177 Riverside Thousand Palms Comment
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Sep 10 2011
  RSA278987  Dalea mollissima B. A. Prigge, L. Martinez 1978-3-23 2433 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR52009  Dalea mollissima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2167 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  POM12730  Datisca glomerata P. A. Munz 1922-7-1 5932 Riverside Santa Rosa Mts: Old Nicholas Canyon. 1432 Comment
  UCR194227  Datisca glomerata Scott D. White, Angelia Carey 2004-6-4 10477 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR68859  Datisca glomerata Steve Boyd, T. S. Ross 1990-5-11 4659 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
  UCR84862  Datisca glomerata Peter L. Morrell, Stan C. Spencer 1993-5-28 244 Riverside San Bernardino Mtns., bank of San Gorgonio River, c. 4.25 air mi north of gate at entrance to Banning Canyon 1600 Comment
  SD144088  Daucus pusillus A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20684 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek drainage, dry slopes above Brown Crk. 915 Comment
  UC480887  Deinandra fasciculata S. B. Parish 1916-7-8 10773 Riverside pass road to Riverside Comment
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Apr 16 2011
  RSA0012175  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  SD181703  Deinandra paniculata Scott D. White 2001-6-20 8596 Riverside Just east of Goetz Road and south of Ethanac Road, ca. 1.5-2.0 miles west of I-215 Freeway. 441 Comment
  UCD131168  Deinandra paniculata A. C. Sanders 2004-6-30 28397 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, 1 mile east of Murrieta Road and 1 mile north of Bundy Canyon Road, ca. 5 miles due soutn of Sun City. 470 Comment
  CLARK-A1528-779  Delphinium ajacis C. M. Flanagan 1971-5-24 Riverside Highgrove Comment
  CLARK-A1528-3860  Delphinium parishii subsp. parishii John C. Roos 1947-5-10 3612 Riverside Reche Canyon Comment
  SD128263  Delphinium parishii subsp. subglobosum R. Mitchel Beauchamp 1971-5-16 2426 Riverside Santa Rosa Mountains, north side among shrubs, Ribbonwood. 1175 Comment
  RSA13191  Delphinium parryi E. R. Johnson 1935-5-5 6759 Riverside Gavilan Hills, Cajalco District. North Side of Carob Ranch. Comment
  RSA701498  Delphinium parryi M. Wall 1993-5-19 72 Riverside Sage Rd, 4.6 mi S of Red Mtn Rd SE of Hemet. Associated plants include Adenotstoma fasciculatum, Eriogonum fasciculatum, Collinsia concolor, and exotic grasses. Comment
  CAS-BOT-BC121435  Delphinium parryi subsp. parryi L. R. Abrams 1935-4-7 13665 Riverside Gavilan Hills Region, 2 mi SW of Perris Comment
  RSA586328  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-3 193 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
  RSA747112  Dendromecon Orlando Mistretta 1992-6-10 531 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA0086776  Dendromecon rigida R. G. Swinney 1967-5-26 11733 Riverside Snow Creek. 335 Comment
  SEINET998499  Dendromecon rigida Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-1 344 Riverside Peninsular Ranges; San Jacinto Mtns.: Just down Mt. Edna Road W off of CA Hwy 243 (Cabazon 7.5'Q) 1146 Comment
  UC1126383  Dendromecon rigida A. Lewis 1934-3-4 306 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quadrangle Comment
  UC855078  Dendromecon rigida I. W. Clokey and E. G. Anderson 1935-8-21 6638 Riverside w Black Mountain (along road) 1500 Comment
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Nov 20 2010
  UC855080  Dendromecon rigida I. W. Clokey and E. G. Anderson 1935-4-16 6730 Riverside above Hemet 700 Comment
  CAS-BOT-BC201724  Deschampsia elongata Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mt. 2438 Comment
  RSA162710  Descurainia pinnata John Olmsted 1958-3-29 88 Riverside 24 miles N of Jct between Cottonwood Pass and Cottonwood Spring roads. On the former now become Pinto Basin Road, Joshua Tree National Monument. 991 Comment
  UCR59505  Descurainia pinnata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3242 Riverside Peninsular Range, Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 488 Comment
  CAS-BOT-BC43356  Descurainia pinnata subsp. glabra J. H. Thomas 1949-2-28 58 Riverside Southern part of Palm Springs. Comment
  UC856000  Descurainia pinnata subsp. glabra C. L. Hitchcock 1940-4-1 5911 Riverside Cottonwood Spring wash; Joshus Tree National Monument Comment
  SDSU13538  Dicentra chrysantha W. Miller, C. Mosse 1972-7-19 Riverside 50 feet south of dump on south road. Comment
  UC1234752  Dicentra chrysantha Peter H. Raven 1962-4-29 17485 Riverside 1 mi above Ortega Highway e base 487 Comment
  UCR126376  Dichelostemma capitatum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 685 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  JOTR30225  Dichelostemma capitatum subsp. capitatum Leary, C. and Leary, Pat 1979-5-5 2991 Riverside Joshua Tree National Park. Above Lower Covington Flats, Joshua Tree National Monument, T2S R7E sec 6 Comment
  RSA613633  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Victor Steinmann 1997-3-13 1484 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
  UCR93016  Dichelostemma capitatum subsp. capitatum G. P. Schultz 1994-4-7 75 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA501050  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3170 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA775090  Dicoria canescens Duncan S. Bell, Amber Swanson 2011-2-18 2040 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UC527699  Dicoria canescens C. B. Wolf 1930-1 2547 Riverside roadside at Cabezon; San Gorgonio Pass 518 Comment
  SD127560  Dieteria canescens var. ziegleri Louis B. Ziegler 1969-9-30 Riverside North slope of Santa Rosa Mountains 1980 Comment
  CLARK-A1528-53  Digitaria ischaemum John C. Roos 1951-9-25 5276 Riverside Riverside 259 Comment
  UCD64071  Digitaria sanguinalis Scott D. White; Brian Leatherman 2004-10-7 10768 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  CAS-BOT-BC150935  Diplacus bigelovii var. bigelovii D. A. Johansen; J. A. Ewan 1932-4-11 7093 Riverside Martinez Canyon, Santa Rosa Mts. 304 Comment
  CHSC1758  Diplacus brevipes E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  SD239915  Diplacus longiflorus A. C. Sanders 2010-11-18 38689 Riverside Peninsular Range: western Gavilan Hills; eastern edge of Corona, north end of radio tower' ridge, 1.85 nukes BBE (25a^z) of El Cerrito, 1 mile SSE (143a^z) of Home Gardens, just east of large rock quarry (Corona South 7.5'Q) 440 Comment
  RSA0018424  Diplacus longiflorus var. calycinus N. C. Cooper 1944-6-16 1428 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  SBBG97162  Diplacus puniceus W. L. Halvorson 1977-4-1 77 -218 Riverside 5 mi S of Temecula on County Rd S16 Comment
  RSA713266  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside UCR Botanical Garden 351 Comment
  CAS-BOT-BC195678  Distichlis spicata A. C. Sanders 1993-4-1 13659 Riverside Western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 3/4 mi. NE of the intersection of Florida Ave. (Hwy 74) and Warren Rd., just S of Tres Cerritos 460 Comment
  UC2062534  Distichlis spicata subsp. spicata Hester L. Bell 2002-3-9 257 Riverside Northern Sonoran Desert. Willis Oasis (Thousand Palms) 5.5 mi east of I-10. Comment
  UCR102702  Ditaxis lanceolata B. G. Pitzer 1998-1-24 3385 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
  JOTR29580  Ditaxis neomexicana Andre, Jim 2006-4-6 6693 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  RSA798843  Ditaxis serrata var. californica Duncan S. Bell, Amanda Bell, Evan Bell 2012-10-7 4344 Riverside Arica Mountains: collecting in narrow canyon in center of range within the Palen/McCoy Wilderness, approximately 2.25 air miles west of Priests Well, or approximately 6.75 air miles southwest of the ghost town of Rice. 429 Comment
  UC218136  Ditaxis serrata var. serrata P. A. Munz and R. D. Harwood 1920-4-3 3577 Riverside 30 mi. w. Blythe 365 Comment
  RSA66544  Dithyrea californica F. W. Peirson 1920-2-14 4178 Riverside Whitewater Station, Colorado Desert Comment
  SBBG72429  Dithyrea californica M. N. Ackley -Feb-1926 129 Riverside mouth of Painted Cyn Comment
  SEINET10937426  Dithyrea californica David B. Dunn 1946-3-15 Dunn 2034 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  RSA586876  Dodecahema leptoceras D. L. Banks, S. D. Boyd 1995-5-3 250 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
  UCR256941  Dodecahema leptoceras Naomi Fraga, Duncan S. Bell 2009-5-6 2702 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  SEINET10871645  Dodecahema leptoceras James L. Reveal 1988-1 Riverside Comment
  RSA674926  Dodecatheon clevelandii Scott D. White, Pam De Vries 2000-4-25 7726 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  CHSC34416  Downingia bella Donna Panico 1972-4-30 A- 51 Riverside Ca. 10 air mi. So. of Elsinore, 4 mi. E. of Tenaja Campgrounds in Cleveland Nat'l Forest. 655 Comment
  SD132880  Downingia bella Tim Cass 1979-6-1 204 Riverside Mesa de Colorado, Pool C Comment
  UCR60655  Downingia bella R. F. Thorne 1974-5-23 44682 Riverside Santa Ana Mtns., Santa Rosa Plateau, E of Redonda Mesa, Rancho California 610 Comment
  RSA0124741  Draba cuneifolia Duncan S. Bell, LeRoy Gross 2016-3-9 8844 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UC50305  Draba cuneifolia H. M. Hall Apr. 1903 3804 Riverside vicinity Riverside; vicinity of Riverside 609 Comment
  RSA82946  Drymocallis glandulosa R. M. Straw 1953-6-5 454 Riverside Fuller Mill Creek Camp, on Idyllwild to Banning Rd. Comment
  RSA115730  Dryopteris arguta Lucille Weight 1957-1 s.n. Riverside north Malapai Hill, Joshua Tree National Monument, southern end of Mojave Desert Comment
  RSA692504  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  SEINET4604435 Image available Dudleya abramsii subsp. affinis Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17369 .1 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  SD70422  Dudleya lanceolata W. L. Jepson 1914-5-25 6069 Riverside San Gorgonio Pass. 550 Comment
  UCR118177  Dudleya lanceolata Mitch Provance 1998-5-24 532 A Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  CAS-BOT-BC109628  Dudleya multicaulis Mrs. C. M. Walden s.n. Riverside West of Riverside. Comment
  CAS-BOT-BC416942  Dudleya pulverulenta L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  CAS-BOT-BC109648  Dudleya saxosa subsp. aloides K. Nakai 1980-12-25 688 Riverside San Jacinto Mountains, 4.0 miles west of Mountain Center on Highway 74. 1219 Comment
  SD48455  Dudleya saxosa subsp. aloides L. W. Lenz 1957-6-7 22623 Riverside Ca. 15 miles south of Hemet, along Highway 79. Comment
  CAS-BOT-BC59760  Echinocereus engelmannii var. engelmannii L. R. Abrams 1926-3-26 11210 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA0125229  Echinocereus engelmannii var. engelmannii J. R. Shevock 1971-5-8 1038 Riverside Near White Tank, Joshua Tree National Monument 1220 Comment
  UCR18073  Echinochloa colona Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley Dunes. south of I-10 between Wiley Well Road and Graham Pass Road 152 Comment
  RSA289844  Echinochloa crus-galli B. A. Prigge 1980-9-17 4065 Riverside Coachella Valley Stormwater Channel: Indio., Near 33 deg 44'N; 116 deg 14'W. -3 Comment
  SD90586  Elatine californica Robert F. Thorne, Earl Lathrop 1969-5-12 37921 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado. 625 Comment
  SEINET10680522  Elatine californica Robert F. Thorne 1978-5-21 Thorne 51987 Riverside Santa Rosa plateau, Mesa de Colorado. 610 Comment
  UC838787  Eleocharis acicularis P. A. Munz 1922-7-7 6067 Riverside Tahquitz Valley San Jacinto Mts. 2225 Comment
  CAS-BOT-BC113603  Eleocharis acicularis var. occidentalis E. Lathrop; O. Clark; S. J. Carlquist 1968-4-18 37455 Riverside Santa Rosa Plateau: shallow water at W end of vernal marsh on Mesa de Colorado, 670 Comment
  RSA162801  Eleocharis palustris J. D. Olmsted 1959-9-23 1020 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  UCR202435  Elymus elymoides 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
  UCR98898  Elymus glaucus subsp. glaucus Scott D. White 1996-8-16 4483 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA0123370  Emmenanthe penduliflora Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9034 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA180275  Emmenanthe penduliflora E. W. Lathrop 1965-5-18 5750 Riverside 8 miles W of Murrieta. 610 Comment
  RSA80986  Emmenanthe penduliflora G. R. Campbell 1952-4-5 18372 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UC2015541  Emmenanthe penduliflora A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16155 Riverside Coachella Valley/San Jacinto Mtns. Foothills, alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Canyon Dr.). Comment
  UCR231739  Emmenanthe penduliflora John F. Green 2008-4-23 08- 04 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR85315  Emmenanthe penduliflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-5-19 16155 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtn Foothills, Coachella Valley, alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road 14 telephone poles above Hwy 111 (Palm Canyon Dr.) 300 Comment
  UCR91411  Emmenanthe penduliflora Scott D. White 1995-4-5 2723 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SDSU3826  Encelia actoni H. Wedberg 1963-5-25 1066 Riverside 0.5 mile from Cranston Ranger Station on road to Mountain Center and Idyllwild, San Jacinto Mountains. 610 Comment
  UC1118035  Encelia actoni A. Lewis 1933-1-26 140 Riverside Cactus Valley San Jacinto Quad., Cactus Valley 640 Comment
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Mar 20 2011
  UCR234244  Encelia californica A. C. Sanders, T. B. Salvato 2012-4-27 40090 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  LA202447  Encelia farinosa A. M. Johnson; 1932-3-20 3904 Riverside Indian Wells, below Palm Springs Comment
  POM41496  Encelia farinosa Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sea near Oasis. Comment
  RSA160038  Encelia farinosa David B. Dunn 1948-1-25 3647 Riverside NE of the top of the grade E of Riverside, California 5miles out 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
  SBBG52812  Encelia farinosa N. C. Cooper 1949-4-9 3325 Riverside Blythe 80 Comment
  SEINET2050631 Image available Encelia farinosa D. Gordon 1952-1-22 Riverside University of California, Riverside campus. 427 Comment
  UCR226928  Encelia farinosa Jim Andre 2011-2-2 16210 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR2883  Encelia farinosa N. J. Matthews 1963-5-9 50963 3 Riverside 1 mi. north of Gilman Hot Springs on Hwy 79 305 Comment
  SEINET10891992  Encelia farinosa David B. Dunn, Howard Brown 1947-2-9 Dunn 2857 Riverside Pushawalla Canyon, Indio Hills. In dry wash in canyon. Comment
  UCR214283  Encelia farinosa var. farinosa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37467 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
  UCR214289  Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 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
  NY70193  Ephedra aspera I. W. Clokey 1935-4-17 6511 Riverside Cottonwood Springs Comment
  NY70354  Ephedra aspera C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon, ca, 100 yards east of Spring. Comment
  OBI38921  Ephedra aspera A. C. Sanders, D. Charlton, & B. Pitzer, B. Pitzer 1986-3-3 6142 Riverside North foot of the Chuckwalla Mts, 2-3/4 mi airline SE of Desert Center 366 Comment
  SD229014  Ephedra aspera Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 898 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  PASA1843  Ephedra californica R. Peirce 1966-5-17 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA715313  Ephedra californica Marisa Sripracha, K. A. Boyd 2004-3-21 45 Riverside Snow Creek. 345 Comment
  RSA383840  Ephedra nevadensis Erwin Miller 1934-4-28 18722 Riverside Top of divide near Key s View, Little San Bernardino Mountains 1555 Comment
  RSA0054982  Ephedra nevadensis Bruce Haines 1962-4-16 123 A Riverside 3/4 mile East of Hidden Valley Campground on Key's Ranch Road, Joshua Tree National Monument. 1295 Comment
  HSC88285  Ephedra trifurca Elizabeth Neese 1979-4-11 7108 Riverside 3 mi. S of Rue, 40 mi. NW of Blythe Comment
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Jul 8 2010
  UCR269208  Ephedra trifurca Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 987 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA17493  Epilobium canum subsp. canum Percy C. Everett 1936-8-28 8235 Riverside Santa Ana Mountains. North end of La Cienega. 732 Comment
  UCR22126  Epilobium canum subsp. canum Steve Boyd 1980-7-6 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CAS-BOT-BC171724  Epilobium canum subsp. latifolium John Thomas Howell 1927-8-2 2933 Riverside Top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  CAS-BOT-BC171744  Epilobium canum subsp. latifolium H. M. Hall 1897-7-17 694 Riverside Strawberry Valley, San Jacinto Mountains Comment
  POM123232  Epilobium canum subsp. latifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR90591  Epilobium ciliatum Scott D. White 1995-6-29 3408 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  POM244818  Epilobium ciliatum subsp. ciliatum E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood Creek. About 20 miles south of Hemet. 915 Comment
  RSA180478  Epilobium ciliatum subsp. ciliatum E. W. Lathrop 1960-5-27 5231 Riverside 6 miles west of Murrieta. Comment
  RSA72167  Epilobium ciliatum subsp. ciliatum F. W. Peirson 1924-7-28 5012 Riverside Pine Flats Camp 1799 Comment
  UCR268589  Epilobium densiflorum Jim Andre 2012-6-15 30541 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UC410715  Epilobium glaberrimum subsp. glaberrimum Mrs. E. C. Van Dyke Jul 22 1925-Jul 28 1925 Riverside Idyllwild Comment
  SBBG60209  Epilobium oregonense R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
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Sep 7 2011
  RSA249865  Epipactis gigantea Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38152 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  SD153002  Epipactis gigantea Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7315 Riverside Southern Santa Ana Mtns, San Mateo Cyn Wilderness Area, San Mateo Cyn, along stream & adjacent benches & lower slopes from confluence w/Los Alamos Cyn downstream to confluence with Tenaja Cyn. Local amoung boulders and moist gravel bars along stream. 366 Comment
  RSA741435  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-6-18 12250 Riverside Meadow N/W of Keen Camp Summit, SW of hwy 79. 1402 Comment
  UCR113924  Eragrostis pilosa var. pilosa Mitch Provance, A. C. Sanders 2000-7-4 2082 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA432718  Eremalche rotundifolia E. C. Jaeger 1922-4-7 811 Riverside Chucawalla Bench, Colorado Desert. 259 Comment
  CAS-BOT-BC160051  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC160056  Eremothera boothii subsp. condensata Alice Eastwood 1913-4-30 3001 Riverside Palm Springs Comment
  UC873994  Eremothera boothii subsp. condensata C. L. Hitchcock 1940-4-4 5954 Riverside Pinto Basin Comment
  JEPS31677  Eremothera boothii subsp. desertorum Samuel B. Parish Mar 1882 Riverside Whitewater Colorado Desert Comment
  SD258955  Eremothera refracta Sarah J. De Groot, Rachel Poutasse, Brittany Tardiff 2016-4-6 7772 Riverside Mecca Hills: Side canyon along Painted Canyon road; northeast of Mecca northwest of Box Canyon. 163 Comment
  JEPS48796  Eriastrum densifolium Marjorie D. Clary 1932-6-5 926 Riverside Dead Indian Trail west side Colorado Desert, Santa Rosa Mts. Comment
  JEPS69021  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2908 Riverside between Banning and Strawberry Valley; Mt. St. Jacinto Comment
  RSA0105505  Eriastrum densifolium subsp. austromontanum Christopher Davidson 1978-6-15 7381 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2087 Comment
  HSC95245  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 137 Riverside Thomas Mtn. Rd., 1.5 km W of Thomas Mtn. Campground, both sides of road 1939 Comment
  RSA0119716  Eriastrum diffusum subsp. coachellae P. A. Munz 1930-5-1 11921 Riverside Morongo Valley. Comment
  CAS-BOT-BC514468  Eriastrum eremicum subsp. eremicum John Thomas Howell 1931-6-4 6647 Riverside San Gorgonio Pass Comment
  UC455473  Eriastrum sapphirinum I. J. Condit 1910-6-24 Riverside on lower slopes and in San Jacinto Canyon San Jacinto Mts. 914 Comment
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Nov 1 2007
  UC574982  Eriastrum sapphirinum C. Epling and Wm. Robison 1933-6-24 Riverside San Gorgonio Wash Little San Bernardino Mountains Comment
  UCR178416  Eriastrum sapphirinum John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR231733  Eriastrum sapphirinum John F. Green 2008-4-23 08- 16 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR235084  Eriastrum sapphirinum A. C. Sanders, John F. Green 2012-6-1 40229 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  RSA409368  Eriastrum sapphirinum subsp. dasyanthum Robert Gustafson, Gary D. Wallace 1983-6-23 2724 Riverside Along Clinton Keith Road, ca. 2.5 miiles from its junction with Hwy 15, Santa Ana Mts. Comment
  RSA0121564  Eriastrum sapphirinum subsp. dasyanthum Christopher Davidson 1975-6-16 2807 Riverside Ca. 4 miles S of Banning on road R1 to Idyllwild. Level saddle between two peaks. 1128 Comment
  RSA0121571  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-5-20 1297 Riverside Banning. 701 Comment
  UCR150031  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside San Jacinto Mtns, North of Alvin Meadow near USFS Road 5S10 (Red Hill Road) 1677 Comment
  SD84904  Ericameria linearifolia Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-30 491 Riverside West of Sugarloaf Mountain along Carrizo Road. 1220 Comment
  UCR194191  Ericameria linearifolia Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9012 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  GMDRC2526  Ericameria nauseosa var. mohavensis J. Andre, T. La Doux 2007-9-6 8703 Riverside Little San Bernardino Mountains: Little San Bernardino Mountains: on dirt road to Lost Horse Ranger Sta, below Hemmingway Buttress, Joshua Tree Natl. Park.. Elev. 4058 ft. 1237 Comment
  JOTR33673  Ericameria nauseosa var. mohavensis La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2663 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  CAS-BOT-BC131643  Ericameria parishii var. parishii Edmund C. Jaeger 1920-4-9 s.n. Riverside Snow Creek, Colorado Desert 914 Comment
  RSA38356  Ericameria pinifolia P. A. Munz 1946-10-19 11564 Riverside Coahuila. 1098 Comment
  RSA596184  Ericameria pinifolia D. L. Banks 1996-11-7 1210 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA40569  Erigeron divergens J. C. Roos 1947-4-5 3418 Riverside on stony slope, SE of Pinyon Flats, Santa Rosa Mts. 1372 Comment
  VVC61  Erigeron foliosus A. C. Sanders, J. Mac 1997-5-4 20685 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  CAS-BOT-BC296240  Erigeron foliosus var. foliosus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UCR34966  Erigeron foliosus var. foliosus L. B. Ziegler 1967-6-15 161 Riverside San Jacinto Mtns, Bautista Creek Canyon 732 Comment
  CAS-BOT-BC278488  Eriochloa aristata J. C. Roos 1965-9-26 s.n. Riverside In Indio Comment
  LA105134  Eriochloa aristata var. aristata John C. Roos; 1985-12-22 5962 Riverside Deep Canyon, Coachella Valley, 0.25 NW of Valerie Jean, W of Hwy 86, SE 0.25 -30 Comment
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Mar 23 2014
  CAS-BOT-BC189085  Eriodictyon crassifolium Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-24 398 Riverside Water service road above crossing of Deep Canyon, N slope Santa Rosa Mountains 1316 Comment
  RSA653350  Eriodictyon crassifolium B. F. Rogers 1984-4-21 9 Riverside Collected along trail & bank area of the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston Ranger Station heading East on Hwy. 74. 915 Comment
  RSA296158  Eriodictyon trichocalyx Barry A. Prigge 1980-8-5 3827 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  CAS-BOT-BC248629  Eriogonum apiculatum Philip A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end Santa Rosa Mts. 1097 Comment
  JEPS57095  Eriogonum apiculatum W. L. Jepson 1903-8-8 2302 Riverside Tauquitz Valley San Jacinto Mt., Tauquitz Valley 2438 Comment
  RSA65229  Eriogonum apiculatum P. A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA766437  Eriogonum apiculatum E. L. Peterson 1931-9-8 s.n. Riverside Ridge trail to Tahquitz Peak, along S side of Tahquitz Valley. San Jacinto Mts. 2439 Comment
  UC1007165  Eriogonum apiculatum Philip A. Munz 1938-8-13 15333 Riverside near Santa Rosa Peak 2316 Comment
  UC6237  Eriogonum apiculatum H. M. Hall 1897-8-13 849 Riverside from type locality, San Jacinto Mt. San Jacinto Mt. 1828 Comment
  UC729819  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside near Idyllwild (Point View); San Jacinto Mts. 1645 Comment
  CAS-BOT-BC242787  Eriogonum davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild road, San Jacinto Mts. 1371 Comment
  JEPS56711  Eriogonum davidsonii Marjorie D. Clary 1932-5-25 1645 Riverside between Indio and Pinyon Well; Little San Bernardino Mts., Berdoo Canyon 609 Comment
  RSA701043  Eriogonum deflexum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11288 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UC666501  Eriogonum deflexum var. deflexum Annie M. Alexander and Louise Kellogg 1941-5-28 2264 Riverside 2 mi e, in wash next to rocky hills Shaver Summit; Colorado Desert 469 Comment
  POM184161  Eriogonum elongatum M. French Gilman 1932-11-30 9 Riverside Cabazon. Comment
  UCR3399  Eriogonum elongatum John Minnich 1964-2-27 64-2-27- 4 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
  UCR138605  Eriogonum elongatum var. elongatum D. L. Banks 1996-11-7 1199 Riverside Agua Tibia Mtns, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the reservation, 150 m east of the spring on the northern fork of Pechanga Creek, at the E end of the reservation 579 Comment
  SDSU6534  Eriogonum fasciculatum T. B. Bruhns 1966-6-30 279 Riverside Along road, S. side of Lake Mathews. Comment
  UCR89541  Eriogonum fasciculatum Bern Schwenn 1994-4-30 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument: E side of Hexie Mountains along Ruby Lee Well Rd. between paved Pinto Basin Rd. and divide 823 Comment
  GMDRC6541  Eriogonum fasciculatum subsp. foliolosum J. M. Andre 2012-6-15 30493 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 1172 Comment
  RSA708052  Eriogonum fasciculatum subsp. foliolosum Scott D. White, Angelia Carey 2004-4-16 10169 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR154381  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Mike Misenhelter 2005-6-15 30949 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
  RSA0065505  Eriogonum fasciculatum subsp. polifolium Marion P. Harthill 1971-3-19 45 & 52 Riverside Borrego Desert. Comment
  SEINET6418437  Eriogonum fasciculatum var. flavoviride C. Francis Shutts 1949-3-28 104 Riverside Palms to Pines Highway State 74, south of Palm Springs 747 Comment
  UC667251  Eriogonum fasciculatum var. flavoviride Annie M. Alexander and Louise Kellogg 1941-5-15 2190 Riverside n base of Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  SBBG62012  Eriogonum fasciculatum var. foliolosum P. A. Munz 1927-5-21 10881 Riverside 10 mi SW of Cahuilla Comment
  RSA650849  Eriogonum fasciculatum var. polifolium Edward Kai 1970-5-21 10 Riverside Desert Wash 8 miles W Palm Desert. 915 Comment
  RSA773186  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4919 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
  UC162681  Eriogonum fasciculatum var. polifolium H. M. Hall 1897-7-3 Riverside vicinity of Riverside 457 Comment
  POM319088  Eriogonum gracile var. gracile Patricia Wilder 1971-9-29 5257 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  POM12413  Eriogonum gracile var. incultum P. A. Munz 1922-9-6 6361 Riverside North of Dark Canyon. 1524 Comment
  RSA0097125  Eriogonum gracile var. incultum Marc A. Baker 2015-7-9 18403 Riverside San Gorgonio Pass, 32 km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4 km ENE of Banning. 638 Comment
  UCR234757  Eriogonum gracile var. incultum A. C. Sanders, John F. Green 2012-6-25 40312 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  CAS-BOT-BC270597  Eriogonum molestum James L. Reveal; C. Rose Broome 1987-6-27 6605 Riverside Along California Highway 243, 0.4 mile northwest of Lake Fulmor, about 13.8 miles northwest of Idyllwild, San Jacinto Mountains 1600 Comment
  JEPS56702  Eriogonum molestum W. L. Jepson 1903-8-6 2281 Riverside Chalk Hill San Jacinto Mt. (trip to Spruce Canyon) 1524 Comment
  CHSC1327  Eriogonum nidularium E. Thomas 1939-10-1 Riverside Temescal canyon along Santa Ane Wash. Comment
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Dec 17 2019
  CAS-BOT-BC269785  Eriogonum nudum var. pauciflorum Peter H. Raven; R. Snow 1957-7-26 11089 Riverside Banning-Idyllwild road, 0.9 mi. n. of Vista Grande Ranger Station, San Jacinto Mts. Comment
  JOTR35315  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
  POM13396  Eriogonum nudum var. pauciflorum E. C. Jaeger 1922-8-22 1018 Riverside Long Valley 2683 Comment
  CLARK-A1528-3691  Eriogonum plumatella John C. Roos 1943-10-17 2743 Riverside Morongo Valley Comment
  JOTR36391  Eriogonum plumatella La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3344 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  CLARK-A1528-5212  Eriogonum pusillum John C. Roos 1943-5-23 2667 Riverside Little San Bernardino Mountains 914 Comment
  UCSB1532  Eriogonum pusillum Walker, Clifford 1954-4-10 Riverside slope mouth of White Water Canyon Comment
  UC77632  Eriogonum reniforme C. R. Orcutt 1889-4-1 Riverside Colorado Desert Comment
  UCR41744  Eriogonum reniforme A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6069 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  JEPS56257  Eriogonum thomasii W. L. Jepson 1914-5-18 6025 Riverside grade from Pinyon Well to Indio (County Well); County Well 304 Comment
  RSA124109  Eriogonum thomasii Percy C. Everett, E. K. Balls 1958-4-29 22960 Riverside U.S. Hwy 60/70, Indio to Blythe, 5 mi. E from jct. with U.S. Hwy 99 122 Comment
  RSA49363  Eriogonum thomasii P. A. Munz 1949-4-11 13002 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  RSA779729  Eriogonum thomasii Duncan S. Bell 2009-3-8 97 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  SEINET3218477 Image available Eriogonum thomasii T. B. Salvato 2010-4-20 4063 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe (McCoy Peak 7.5' Q.) 183 Comment
  UC1279724  Eriogonum thomasii David B. Dunn, Shogo, Schroeder, Bruskin, Folsom 1948-3-13 3733 Riverside near Pushawalla Canyon (w of Indio); Colorado Desert, Indio Hills Comment
  UC849590  Eriogonum thomasii Aven Nelson, Ruth A. Nelson 1939-3-30 3351 Riverside near Desert Center (n of Chuckwalla Mts.) Comment
  RSA708566  Eriogonum thurberi Scott D. White, Jennifer H. Jones 2005-5-24 11100 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  UCR68865  Eriogonum thurberi Steve Boyd, T. S. Ross 1990-5-11 4703 A Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  CAS-BOT-BC263593  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside South of Palm Springs Comment
  UCR24328  Eriogonum wrightii John C. Roos 1967-10-28 s.n. Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Whitewater 427 Comment
  UC1979849  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Peninsular Ranges; San Jacinto Mountains region: Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. Comment
  CAS-BOT-BC297349  Eriophyllum confertiflorum B. Pitzer 1997-4-1 3051 Riverside Lakeview Mts, ca 0.75 air miles SSW of Mt Rudolph, ca 1 air mile NE of Contour (Juniper Flats) Rd 655 Comment
  SD126657  Eriophyllum confertiflorum Ed LaRue 1989-4-25 Riverside 2 miles northwest of Lake Elsinore, adjacent to Cleveland National Forest at mouths of Rice and McVicker Canyons. 490 Comment
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Nov 17 2011
  SD37562  Eriophyllum confertiflorum Florence Post 1931-5-1 Riverside Lake Elsinore region. Comment
  UCR121327  Eriophyllum confertiflorum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24992 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  SDSU14094  Eriophyllum confertiflorum var. confertiflorum Jonathan S. Austin, Michael G. Simpson 2002-4-20 11 Riverside Along northeastern partof Loop trail. Santa Margarita Ecological Reserve. 341 Comment
  UCR279417  Eriophyllum lanosum A. C. Sanders, Jim Malusa 2017-3-25 42993 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  RSA314668  Eriophyllum wallacei R. F. Thorne, Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55493 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  SEINET7063220  Eriophyllum wallacei A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  RSA495825  Erodium brachycarpum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2936 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR91444  Erodium cicutarium Scott D. White 1995-3-30 2632 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  JOTR31964  Erodium texanum La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2201 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  CAS-BOT-BC54330  Erysimum capitatum Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. Comment
  NY732723  Erysimum capitatum var. capitatum N. H. Holmgren 1969-6-17 3581 Riverside San Jacinto Mountains, Black Mountain, campground at the turnoff to a lookout tower Comment
  SD229286  Erythranthe cardinalis Dick Schwenkmeyer 2012-6-27 747 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA0018794  Erythranthe guttata M. B. Dunkle 1933-5-6 3429 Riverside Canyon N of Catherdral Canyon Comment
  RSA0015893  Erythranthe moschata E. K. Balls, Percy C. Everett 1953-8-19 18543 Riverside By Santa Rosa Spring, Santa Rosa Peak. 2134 Comment
  UCD96517  Eschscholzia androuxii Shannon M. Still; Robert Lee 2009-3-3 457 Riverside California. Riverside County: Joshua Tree National Park. 677 Comment
  UCR102711  Eschscholzia caespitosa B. G. Pitzer 1998-1-24 3396 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
  CAS-BOT-BC403359  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon: Stable alluvial benches of Indian Wash just south of Interstate 15 Comment
  RSA445599  Eschscholzia californica Ora M. Clark 1929-3-2 1595 Riverside Near Alberhill Comment
  UCR48342  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA0037195  Eschscholzia californica Tamara Joy Hanna 1991-5-12 26 Riverside Area of High Country Ranches. From Tamatea Road approx. 100 ft. to dry stream bed, walking northeasterly direction. 1280 Comment
  RSA0034939  Eschscholzia glyptosperma A. Lee Haines 1973-3-25 s.n. Riverside Orocopia Mtns. 457 Comment
  CAS-BOT-BC83178  Eschscholzia minutiflora Ynez Whilton Winblad 1937-3-21 s.n. Riverside Box Canyon, Coachella Valley. Comment
  HSC49187  Eschscholzia minutiflora D. L. Goforth 1979-4-11 114 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  JEPS51695  Eschscholzia minutiflora W. L. Jepson 1927-4-12 11653 Riverside Painted Canyon Mecca Hills 76 Comment
  UCR75085  Eschscholzia minutiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12146 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR85151  Eschscholzia minutiflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16093 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  JOTR38680  Eschscholzia papastillii Hodges, Stephen R. 2017-2-7 696 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UCD96467  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 261 Riverside California. Riverside County: Joshua Tree National Park. 540 Comment
  HSC83079  Eschscholzia parishii A. C. Sanders, Charlton, Pitzer, Stewart 1986-3-2 6061 Riverside Graham Pass, between the chuckwalla and Little Chuckwalla Mtns. 503 Comment
  RSA0022925  Eschscholzia parishii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11222 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR226790  Eschscholzia parishii Jim Andre 2011-2-9 15907 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR233153A  Eschscholzia parishii Jim Andre, Glenn L. Clifton 2011-2-22 17459 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  SD244187  Eucalyptus A. C. Sanders, John F. Green 2013-3-27 40687 Riverside Peninsular Range: Alberhill, along Lake Street, near old clay mines, 1.16 km south of I-15 Fwy (Alberhill 7.5'Q) 388 Comment
  RSA516880  Eucrypta chrysanthemifolia Steve Boyd 1986-3-1 1363 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  RSA420858  Eucrypta chrysanthemifolia var. bipinnatifida E. C. Jaeger 1922-3-20 809 Riverside Murray Canyon, Colorado Desert. 366 Comment
  SEINET10638532  Eucrypta chrysanthemifolia var. chrysanthemifolia Greg Gust, Leith Nye 2005-3-10 Gust 536 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  UC1537540  Eucrypta chrysanthemifolia var. chrysanthemifolia Gordon H. True Jr. 1935-2-22 7 Riverside Box Springs; Sycamore Canyon 365 Comment
  SEINET6060470  Euonymus occidentalis Scott D. White 1919-1-6 6946 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR242301  Euphorbia abramsiana A. C. Sanders, T. B. Salvato 2012-10-12 40427 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  RSA778412  Euphorbia eriantha Stephanie Rockwood, Christi Gabriel 2011-10-4 056 Riverside Cuckwalla Bench ACEC. Take Red Cloud Wash Rd to Gas Line Rd to Queen Esther Rd. Approximately 4 miles on Queen Esther Road. 673 Comment
  SFV17342  Euphorbia eriantha J. D. Dilley, J. N. Hogue (109.4) 1998-4-24 277 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  UC1971290  Euphorbia eriantha Carl B. Wolf 1932-4-29 3090 Riverside Eastern Colorado Desert. W. Edge of Maria Mts. 17 mi. from Blythe on Rice Road.; Lower Sonoran Comment
  SD143926  Euphorbia hirta A. C. Sanders 1994-11-8 15864 Riverside Colorado Desert, Coachella Valley, Palm Desert, weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 & Sage lane, in a lawn at the edge of a parking lot 45 Comment
  UCSB31747  Euphorbia lurida Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  UCR198567  Euphorbia nutans A. C. Sanders, O. F. Clarke 2008-10-7 36113 Riverside Peninsular Range, Riverside, O.F. Clarke residence, 266 Frost Ct., just east of UCR 360 Comment
  SDSU12861  Euphorbia polycarpa Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998J Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet southwest on road to switchback, southwest of bend in road. 262 Comment
  UCD142701  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7466 Riverside Shavers Valley. Roadside along Cal. 195 near Buried Mt., c. 3 mi SW of jct. with Interstate 10. 426 Comment
  UCR113197  Euphorbia polycarpa A. C. Sanders 1998-3-11 21670 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR131024  Euphorbia polycarpa Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  UCR136202  Euphorbia polycarpa A. C. Sanders 2004-6-20 28225 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., hilltop above I-15, SW of main clay pits 378 Comment
  OBI14405  Euphorbia polycarpa var. hirtella Lewis S. Rose 1959-1-8 59003 Riverside La Quinta 15 Comment
  RSA432487  Euphorbia polycarpa var. hirtella N. C. Cooper 1944-5-20 2646 Riverside Pinyon Flats. 1067 Comment
  OBI70889  Euphorbia prostrata Louis C. Wheeler 1964-10-10 8634 Riverside 3030 Oak Ave, Corona Comment
  UC1931118  Euphorbia serpillifolia subsp. hirtula Scott D. White, Justin Wood 2008-6-18 12237 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Comment
  JOTR36007  Euphorbia setiloba Harding, Mitzi, T. Herskovits 2012-3-16 215 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  UCD142855  Euphorbia setiloba Geoffrey Levin 1976-10-17 1168 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills Mountain Range. 91 Comment
  UCR128936  Euphorbia setiloba Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  SBBG119060  Euthamia occidentalis S. D. White with A. Carey 2004-9-16 10758 Riverside Indian Crk watershed, above confluence with San Jacinto River; T1E R5S S2, NE 1/4 579 Comment
  RSA480018  Fagonia laevis Steve D. Boyd, Richard Noyes, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2147 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SEINET936428  Fagonia laevis Helen K. Sharsmith 1952-1 4062 Riverside Northwest base of Chuckwalla Mountains 7 miles south of Highway 60-70. 533 Comment
  UCR16344  Fagonia laevis J. Texera 1970-3-27 3 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  UCR214426  Fagonia laevis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37478 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
  JEPS43399  Fagonia pachyacantha E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  RSA605772  Fagonia pachyacantha A. C. Sanders 1995-5-23 17115 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., N of Toro Cyn., W of Monroe St., S. of Ave. 62 15 Comment
  UCR167420  Festuca 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
  UCR104078  Festuca myuros A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20653 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
  UCR91399  Festuca myuros Scott D. White 1995-4-5 2716 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  SD237518  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA0026300  Filago John F. Emmel 1991-4-28 1170 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  RSA85099  Filago californica J. C. Roos 1952-4-9 5510 Riverside Scattered along dry sunny roadside with Avena barbata, Muhlenbergia microsperma, etc., southeast face Mt. Rubidoux. 335 Comment
  SFV2334  Fouquieria splendens F. R. Rickson 1961-3-24 s. n. Riverside About 4 miles west of Desert Center on Highway 60-70. 335 Comment
  RSA0018440  Frangula californica subsp. cuspidata W. Pequegnat 1940-12-27 s.n. Riverside Santiago Peak, Santa Ana Mountains. Comment
  CAS-BOT-BC62969  Frangula californica subsp. tomentella Louis C. Wheeler 1931-10-4 206 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  SD186320  Frangula californica subsp. tomentella Andy C. Sanders 2004-6-20 28215 Riverside Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  CHSC89891  Fraxinus velutina L. P. Janeway 2004-5-8 8069 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. Creekside. 421 Comment
  UC22603  Fraxinus velutina Mrs. Flora C. R. Price 1901-8-1 Riverside sw base San Jacinto Mt. 670 Comment
  UC1537226  Fritillaria biflora Gordon H. True Jr. 1935-4-5 219 Riverside Gavilan Hills 609 Comment
  UCR86600  Fumaria officinalis Steve Morgan 1992-4-8 92- 8 Riverside UCR Botanic Garden Comment
  RSA615149  Funastrum cynanchoides var. hartwegii Scott D. White 1997-5-25 5219 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  RSA702728  Funastrum cynanchoides var. hartwegii Scott D. White, Michael Honer 2004-4-6 10061 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA704546  Funastrum hirtellum LeRoy Gross 2005-3-3 1575 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  SD258845  Funastrum hirtellum Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7649 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road.Side canyon forking north from Little Box Canyon, east of Box Canyon. East side of Mecca Hills, eastnortheast of Mecca. 281 Comment
  SJSU11074  Funastrum hirtellum R. C. McGhee 1970-5-1 257 Riverside Chuckwalla Rd 1 mi W of Chuckwalla Spring, Chuckwalla Mts Comment
  SEINET10496383  Funastrum hirtellum A. Evans 1976-4-13 Evans 5178 Riverside Desert canyons of Santa Rosa Mts. Comment
  LA208395  Galium andrewsii Robert G. Engman; sn Riverside San Jacinto Mountains, San Jacinto Mts Comment
  UCR156079  Galium angustifolium T. B. Salvato, Kent Beaman 2005-5-16 821 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
  JEPS56068  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-17 4131 Riverside on Alvin Meadows road below Idyllwild; San Jacinto Mts. Comment
  JEPS7849  Galium angustifolium subsp. angustifolium Marjorie D. Clary 1932-7-4 983 Riverside 10 mi se Kenworthy (near springs in canyon); Santa Rosa Mts. 1371 Comment
  POM12926  Galium angustifolium subsp. angustifolium Philip A. Munz 1922-6-27 5858 Riverside Santa Rosa, Santa Rosa Mts. 2012 Comment
  RSA627512  Galium angustifolium subsp. angustifolium Scott D. White, Julie Greene 1998-8-1 6967 Riverside Idyllwild area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Dr. and Humber Park. 1829 Comment
  UC888700  Galium angustifolium subsp. angustifolium C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp Fuller's Mill; Mt. San Jacinto Comment
  UCSC001310  Galium angustifolium subsp. foliosum Peter Kamb 1947-7-1 553 Riverside Hall Canyon, San Jacinto Mts. 1463 Comment
  JOTR29191  Galium angustifolium subsp. gracillimum La Doux, Tasha 2005-8-8 1524 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Eureka Peak 1676 Comment
  JOTR37460  Galium angustifolium subsp. gracillimum Hodges, Stephen, T. Green 2016-5-24 582 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  POM367711  Galium angustifolium subsp. gracillimum H. de Forest, Jack Rempel 1934-4-15 19820 Riverside Taquitz Canyon, south wall 244 Comment
  RSA543749  Galium angustifolium subsp. gracillimum Steve D. Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6053 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
  UC2030131  Galium angustifolium subsp. jacinticum Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38134 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Hilltop above Lake Fulmor. 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
  CAS-BOT-BC217620  Galium stellatum subsp. stellatum Annie M. Alexander; Louise Kellogg 1941-5-18 2200 a Riverside North slope of Eagle Mountains 1066 Comment
  RSA703380  Galium stellatum var. eremicum LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1406 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA46491  Galium trifidum Doris K. Kildale 1925-7-28 1098 Riverside Riverside. 46 Comment
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Mar 22 2014
  CAS-BOT-BC178388  Garrya flavescens Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 545 Riverside By Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, N Slope Santa Rosa Mts. 1097 Comment
  POM20916  Gastridium phleoides P. A. Munz 1923-9-7 7758 Riverside Trail from Holy Jim Canyon to Santiago Peak 1128 Comment
  UCR158501  Gastridium ventricosum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30036 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
  UCR111614  Gaura drummondii O. F. Clarke, Jeanine Derby 1974-5-19 s.n. Riverside Lake Perris 457 Comment
  RSA761322  Gayophytum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 680 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM125121  Gayophytum diffusum subsp. parviflorum Mary F. Spencer 1921-7-9 1228 Riverside Tahquitz trail, Idyllwild. San Jacinto Mountains. 1829 Comment
  UCR92793  Gazania longiscapa Scott D. White 1994-3-29 1932 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA667033  Genista monosperma Anne Catterson 2002-2-25 s.n. Riverside Perris-Aguanga Basin region: Orangecrest area of SE Riverside, 17120 Cole Ave. 518 Comment
  CAS-BOT-BC303588  Geraea canescens C. L. Hitchcock 1940-4-4 5946 Riverside Pinto Basin Comment
  RSA199034  Geraea canescens W. M. Gauntt 1966-3-19 102 Riverside Open Field, la Quinta. 244 Comment
  RSA709873  Geraea canescens Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4617 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SBBG8227  Geraea canescens H. and M. Dearing 1936-12-25 2573 Riverside Thousand Palms Comment
  UC598733  Geraea canescens John Bright 1936-4-21 12552 Riverside n Palm Springs; Colorado Desert Comment
  SD133043  Gilia Scott White 1991-5-10 91 142 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  HSC17013  Gilia achilleifolia subsp. multicaulis C. L. Hitchcock 1966-3-15 24148 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  CLARK-A1528-707  Gilia angelensis Stanley W. Austin 1969-5-3 22 Riverside Riverside 487 Comment
  RSA586845  Gilia angelensis D. L. Banks, S. D. Boyd 1995-5-3 0264 B 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
  SD239873  Gilia angelensis A. C. Sanders, T. B. Salvato 2008-2-19 34424 Riverside San Bernardino Valley Region: Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M.L. King (ex Pennsylvania) Ave (Riverside E 7.5'Q) 295 Comment
  UCR165396  Gilia angelensis A. C. Sanders 2005-4-21 29577 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR280965  Gilia angelensis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 38 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCR96813  Gilia angelensis Scott D. White 1993-3-12 1181 Riverside Near Winchester 466 Comment
  SEINET7040155  Gilia angelensis A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. 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
  UCR130222  Gilia diegensis George K. Helmkamp, E. A. Helmkamp 1998-6-27 4109 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 5.8 miles southeast of Calif. Hwy 74 1799 Comment
  RSA0014599  Gilia latifolia Justin M. Wood, J. Miner 2010-4-30 1552 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  RSA0017095  Gilia ochroleuca subsp. exilis Scott D. White 1991-5-13 91 -114 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  RSA0017279  Gilia ochroleuca subsp. exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6086 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  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
  UCR108993  Gilia ochroleuca subsp. exilis D. L. Banks, V. W. Steinmann 1997-3-13 1502 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
  RSA776341  Gilia scopulorum Duncan S. Bell 2010-3-20 639 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  RSA67645  Gilia sinuata Verne Grant, Alva Grant 1960-4-9 8838 Riverside Pass between Whitewater and Morongo Valley, 0.4 mile S of San Bernardino Co. line Comment
  UCR178146  Gilia splendens T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 138 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
  JOTR29593  Gilia stellata Andre, Jim 2006-4-26 6772 Riverside Joshua Tree National Park. ridgetop W of upper Long Canyon, approx 0.5 mi. S. of radio tower and of NE corner (boundary) of park 1324 Comment
  POM74531  Gilia stellata Marcus E. Jones 1906-4-30 9986 Riverside Indio. Comment
  RSA0123113  Gilia stellata Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9020 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA709879  Gilia stellata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4624 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  RSA776092  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 824 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  POM182409  Glycyrrhiza lepidota J. B. Feudge 1930-7-24 2090 Riverside Santa Ana River, 2 miles N of Riverside. Comment
  POM358936  Gnaphalium californicum N. C. Cooper 1944-6-4 1367 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UCR16698  Gnaphalium californicum R. H. Smith 1969-5-20 40 Riverside San Bernardino Valley Region, Box Springs Mtns, below water reservoir, Sugarloaf Peak. 305 Comment
  UCR34924  Gnaphalium canescens subsp. beneolens L. B. Ziegler 1967-9-6 234 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  UCR94954  Gnaphalium canescens subsp. beneolens Scott D. White 1996-8-15 4471 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCR101355  Gnaphalium canescens subsp. microcephalum A. C. Sanders 1997-4-10 20325 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  RSA276721  Gnaphalium palustre John F. Emmel 1978-9-3 617 Riverside San Jacinto Mts, Strawberry Creek, SW of Idyllwild. 1555 Comment
  RSA612959  Gnaphalium palustre D. L. Banks 1997-3-29 1628 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR111964  Gnaphalium palustre A. C. Sanders, T. B. Salvato 2000-5-25 23420 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
  UCR3583  Gnaphalium palustre Frank C. Vasek 1964-6-24 640624- 03 Riverside City of Riverside, University of California Riverside campus. Life Science greenhouse. 335 Comment
  UCR158723  Gnaphalium stramineum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30031 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
  UCR112651  Gutierrezia californica Steve Boyd 1980-5-11 259 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
  POM253549  Gutierrezia sarothrae Thos Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  UCR174160  Harpagonella palmeri A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32604 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
  UCR91476  Harpagonella palmeri Scott D. White, M. Jacobsmeyer 1996-4-20 3947 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  CSUSB1539  Helianthus annuus M. Peterson 1972-6-29 S. N. Riverside Riverside Comment
  SEINET5711055  Helianthus californicus Lowell E. Urbatsch, Jim Grace; Sue Grace 1995-1 7094 Riverside Road to Idyllwild from Banning, ca. 5.5 miles from the south edge of Banning along CA 243; San Bernardino National Forest.; Banning 1219 Comment
  CAS-BOT-BC305706  Helianthus gracilentus Peter H. Raven; Sidney R. Snow 1956-6-30 9525 Riverside 2.5 miles from Alberhill on road to Elsinore Comment
  UCR21158  Helianthus gracilentus Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR256771  Helianthus gracilentus T. B. Salvato, Matthew Malle 2013-5-20 7588 Riverside Perris-Aguanga Basin, Menifee, northwest corner of Bundy Canyon Road and Murrieta Road 515 Comment
  RSA653075  Heliotropium curassavicum A. C. Sanders 1997-5-1 20614 Riverside Lake Skinner area: Old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  UCR245798  Heliotropium curassavicum A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40960 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  UCR278878  Heliotropium curassavicum Mitch Provance 2012-7-14 712- 18 Riverside San Gorgonio Pass, Banning, Smith Creek and adjacent alluvial terraces, north of Old Idyllwild Rd., and west of Hwy. 243. 689 Comment
  RSA653356  Heliotropium curassavicum var. oculatum Robert MacGregor 1984-5-19 2 Riverside Lake Elsinore, CA Hwy 74, 1 mile W of junction with 15W Fwy, N side of road. Comment
  RSA680563  Hemizonia fasciculata Scott D. White, Michael Honer 2003-6-3 9458 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR121682  Hemizonia fasciculata Ian G. Gillespie, Abby Sirulnik 2000-5-7 32 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR89824  Hemizonia fasciculata 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
  RSA92594  Hemizonia fasciculata J. C. Roos 1952-5-14 5669 Riverside San Jacinto river bottomlands 1 miles southeast of Perris. 426 Comment
  RSA773102  Hemizonia kelloggii Duncan S. Bell, J. D. England 2010-6-7 1273 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 775 Comment
  UCR202019  Hemizonia kelloggii Mike Misenhelter 1998-6-23 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  RSA674600  Hemizonia mohavensis Scott D. White 2000-8-5 8100 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR199747  Hemizonia mohavensis Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10670 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR211864  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1069 B Riverside Peninsular Range; San jacinto Mountains, dirt road off Fobes Ranch Road, SE of Fobes Spring 1524 Comment
  UCR82774  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15783 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  RSA663305  Hemizonia paniculata Mitch Provance 1998-3-6 702 Riverside Jurupa Mountains: Glen Avon Hts., Boulder Park, 0.7 km W of Pyrite St.on the N side of Granite Hill Dr. 305 Comment
  POM47987  Hemizonia pungens subsp. laevis P. A. Munz 1924-6-21 8199 Riverside Temecula Canyon. Comment
  SEINET269475 Image available Hemizonia pungens subsp. laevis Scott D. White, Steve Ogg 1994-10-17 3455 Riverside Murrieta Creek 1000 ft south of Winchester road bridge (Banana Avenue on USGS Murrieta quad) 310 Comment
  UCR126977  Hemizonia pungens subsp. laevis A. C. Sanders, T. B. Salvato 2003-5-9 26584 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR281497  Hesperoyucca whipplei Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 112 Riverside Temescal Valley, 0.25 miles SW of the intersection of De Palma Rd. and Horsethief Canyon Rd. 396 Comment
  UCR24935  Heterocodon rariflorum A. C. Sanders 1981-7-19 1691 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  OBI10136  Heteromeles arbutifolia Tracey and Viola Call, Viola Call 1962-4-13 2129 Riverside Tin Mine Cyn near Corona 351 Comment
  RSA0075895  Heterotheca grandiflora E. W. Lathrop 1966-3-2 6045 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails. 878 Comment
  UCR193883  Heterotheca sessiliflora A. C. Sanders 2008-7-25 35894 Riverside Peninsular Range; San Jacinto Mtns., May Valley, Bonita Vista Rd. near May Valley Rd. 1547 Comment
  UCR23734  Heterotheca sessiliflora subsp. echioides John C. Roos 1937-8-19 2499 Riverside San Jacinto Mtns, Idyllwild Comment
  CAS-BOT-BC176955  Heterotheca sessiliflora var. sanjacintensis J. C. Semple; J. Chimielewski 1987-9-30 8981 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  SD135316  Heuchera hirsutissima Craig Reiser, Dylan Hannon 1993-5-30 Riverside Saddle between Toro Peak and Santa Rosa Peak Comment
  UC489128  Hieracium horridum C. V. Meyer 1928-7-31 610 Riverside Tahquitz Peak San Jacinto Mts., Tahquitz Peak 2682 Comment
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Aug 3 2008
  UCD89927  Hilaria rigida William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  UCR24074  Hilaria rigida John C. Roos 1947-3-1 3298 Riverside Sonoran (Colorado) Desert, Coachella Valley, [near Thousand Palms] 8 mi. SE of Garnet 98 Comment
  UCSB24967  Hilaria rigida Keefe, Joseph 1967-3-23 Riverside Above Twentynine Palms Highway, 3.8 miles north of Mission Creek Road, Morongo Valley 777 Comment
  RSA0118593  Hoffmannseggia microphylla Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7648 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road. Side canyon forking north from Little Box Canyon, east of Box Canyon. East side of Mecca Hills, east-northeast of Mecca. 281 Comment
  SBBG119035  Hoffmannseggia microphylla S. J. DeGroot, T. Thibault, V. Arvizu, L. Gross, L. Rojas 2004-5-14 4335 Riverside N of the Chocolate Mtns, just N of the Bradshaw Trail, S of Orocopia Mtns 168 Comment
  SD187402  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCD84877  Holcus lanatus Ralph Garmus 1963-7-22 s.n. Riverside Riverside County. Comment
  UCSB37863  Holocarpha virgata Clarke, Oscar 1971-11-14 Riverside Mesa de Colorado on the Santa Rosa Plateau, near Santa Rosa Ranch; ~8 mi. West of Murietta; just N of San Diego County line 626 Comment
  RSA0036702  Hordeum R. F. Thorne 1973-5-23 43873 Riverside SANTA ROSA PLATEAU: Mesa de Colorado 610 Comment
  RSA654571  Hordeum arizonicum Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. [county not specified] 762 Comment
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May 20 2012
  CAS-BOT-BC174241  Hordeum depressum A. C. Sanders; T. B. Salvato 2011-3-30 38892 Riverside Peninsular Range; Elsinore Trough: city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  SDSU9063  Horkelia bolanderi F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mtns. Comment
  CAS-BOT-BC148555  Horkelia clevelandii Scott D. White 1996-8-1 4431 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area - San Jacinto Mts. 1828 Comment
  RSA0018951  Horkelia clevelandii H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  CAS-BOT-BC203388  Horsfordia newberryi Samuel B. Parish 1880-4-10 200 Riverside Toros [Toro or Torres]. Borders of Coldo [Colorado] Desert Comment
  UCR34975  Hulsea vestita subsp. callicarpha L. B. Ziegler 1967-5-31 142 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  UCR207604  Hydrocotyle ranunculoides O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR100578  Hydrocotyle umbellata A. C. Sanders, T. Tennant 1997-11-14 21598 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  SEINET7048071  Hymenoclea salsola var. pentalepis Steven R. Hill 2001-4-29 33548 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  POM225666  Hymenothrix loomisii George Black 1936-11-4 s.n. Riverside Santa Fe Tracks at Southern end of Riverside, Comment
  JOTR33931  Hymenoxys cooperi La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2821 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  CAS-BOT-BC219767  Hyptis emoryi J. Beley 1974-2-21 0430 Riverside 3 1/2 mi North of Benchmark 215 NE of Indio Comment
  RSA0112096  Hyptis emoryi Duncan S. Bell, Amanda Turek 2010-1-30 537 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on the west side of the range. 434 Comment
  RSA797603  Hyptis emoryi Robert F. Thorne, Walter Wisura 1977-9-17 50764 Riverside San Jacinto Mountain: Chino Canyon along road to tramway Comment
  UCR214296  Hyptis emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37473 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR245920  Hyptis emoryi Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3945 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR96199  Hyptis emoryi B. G. Pitzer 1996-11-9 2923 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  CLARK-A1528-4694  Imperata brevifolia John C. Roos 1949-9-17 4656 Riverside Whitewater Comment
  RSA775089  Isocoma acradenia var. eremophila Duncan S. Bell, Amber Swanson 2011-2-18 2041 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  SBBG38028  Isocoma acradenia var. eremophila T. L. Secrest 1950-5-12 Riverside near Indio Comment
  UC891889  Isocoma acradenia var. eremophila Lewis S. Rose 1936-12-18 36788 Riverside Palm Springs 138 Comment
  RSA0035716  Isocoma menziesii A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40961 Riverside Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 ) of Round Top Mtn. 770 Comment
  RSA639130  Isoetes howellii R. F. Thorne, Earl Lathrope, Oscar Clarke, S. Carlquist 1968-4-18 37460 A Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  CAS-BOT-BC69864  Isoetes orcuttii Robert F. Thorne 1973-5-23 43853 Riverside Santa Rosa Plateau: N. side of Mesa de Colorado. 609 Comment
  UC857722  Isomeris arborea I. W. Clokey and E. G. Anderson 1935-4-17 6641 Riverside Cottonwood Springs Comment
  UCR4003  Isomeris arborea Val Chase 1965-2-22 4 a Riverside Western Colorado Desert, 6 mi west of Desert Hot Springs on the road W toward Whitewater 518 Comment
  UCD51381  Jarava speciosa A. A. Beetle 1946-6-10 4387 Riverside San Jacinto Mt., San Jacinto Mts. 762 Comment
  RSA614104  Juglans nigra A. C. Sanders, T. Tennant 1997-11-14 21601 Riverside San Bernardino Mtns: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  RSA0121457  Juncus acutus subsp. leopoldii Duncan S. Bell, LeRoy Gross 2016-3-30 9137 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA247275  Juncus bufonius G. D. Wallace, D. H. Wilken 1966-7-3 650 Riverside San Jacinto Mountains near Idyllwild, Strawberry Meadows. Comment
  RSA760325  Juncus bufonius Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55214 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  RSA85105  Juncus bufonius J. C. Roos 1952-4-30 5602 Riverside Between Camp Haan and Riverside 534 Comment
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Feb 20 2007
  SBBG104066  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside western edge of Hemet, NE corner of intersection of Myers St and Devonshire Ave, 0.75 mi NE of the jct of Florida Ave (Hwy 74) and Warren Rd, just S of Tres Cerritos 460 Comment
  SBBG89273  Juncus bufonius J. Adams 1966-4-28 738 A Riverside dirt rd from Murrieta to De Luz; Santa Rosa Plateau 762 Comment
  UCR166807  Juncus bufonius R. E. Riefner Jr. 2005-4-22 05- 238 B Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  SEINET11789580  Juncus effusus M. F. Spencer 1921-1 11 Riverside Saboba Hot Springs, San Jacinto Mountains Comment
  RSA368206  Juncus effusus subsp. austrocalifornicus L. C. Wheeler 1931-10-3 189 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  RSA192265  Juncus macrophyllus E. W. Lathrop 1966-5-11 6283 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  RSA552486  Juncus macrophyllus Steve Boyd, Timothy S. Ross 1992-2-21 6668 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  UCR281580  Juncus macrophyllus Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 116 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  RSA192146  Juncus mexicanus E. W. Lathrop 1959-4-26 4502 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  UCR150024  Juncus textilis Scott D. White, Angelia Carey 2004-5-7 10349 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  CAS-BOT-BC123242  Juncus tiehmii Barbara J. Ertter; Jeffrey L. Strachan 1979-6-26 2971 Riverside San Bernardino National Forest, San Jacinto Mountains 762 Comment
  NY247726  Juncus tiehmii B. J. Ertter 1979-6-26 2971 Riverside Behind Kenworthy Ranger Station, near highway 74 in Hemet Valley, San Jacinto Mountains, San Bernardino National Forest. 762.0 Comment
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Mar 25 2011
  RSA304314  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1980-5-21 3481 Riverside Santa Rosa Mountain Road (Forest Road 7S02) ca. 2.0 miles S of Highway 74 (Pines to Palms Highway). 1585 Comment
  RSA737216  Juncus xiphioides Justin M. Wood 2008-9-30 171 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CAS-BOT-BC85412  Juniperus californica C. L. Hitchcock 1940-4-3 5933 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  CAS-BOT-BC85414  Juniperus californica Ivan Johnston 1917-4-4 1104 Riverside Palm Canyon 762 Comment
  SD229041  Juniperus californica Dick Schwenkmeyer 2013-6-11 910 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UCR59752  Juniperus californica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3203 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  LA202782  Justicia californica D. Birindelli; 1969-3-9 266 Riverside Palm Desert 121 Comment
  RSA1267  Justicia californica Carl B. Wolf 1930-5-25 838 Riverside Chuckawalla Valley, Colorado Desert. Comment
  SEINET2163467 Image available Justicia californica M. A. Clauser 1966-3-13 425 Riverside Palm Springs, below Cable Car of highway 111.; san Jacinto Mountain Range. Comment
  RSA683916  Kallstroemia californica Michael Denslow 2003-9-13 1546 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. 470 Comment
  UCR211495  Kallstroemia californica Tasha La Doux, Jim Andre 2008-9-13 261 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, Pinto Basin along paved hwy at Fried Liver Wash 549 Comment
  UCR242295  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40414 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 2.9 km (1.8 mi.) west of I-10 junction 120 Comment
  RSA778398  Kallstroemia californica Amber Swanson 2011-10-9 651 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  CHSC20913  Keckiella antirrhinoides Robert A. Schlising 1972-3-11 3012 Riverside Santa Ana Mountains southwest of Corona, in large marsh near margin of Cleveland National Forest. Comment
  RSA528069  Keckiella antirrhinoides Scott D. White 1991-4-10 91 -59 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road. 610 Comment
  RSA666638  Keckiella antirrhinoides A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 25000 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  RSA583570  Keckiella antirrhinoides subsp. antirrhinoides Steve D. Boyd 1995-4-24 8496 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  CAS-BOT-BC236726  Keckiella antirrhinoides subsp. microphylla Peter H. Raven 1958-5-18 12995 Riverside Along State Highway 74, 4.9 miles north-east of Pinyon Flats, San Jacinto Mountains Comment
  LA209283  Keckiella antirrhinoides var. antirrhinoides W. E. Pequegnat; 1939-4-8 21 Riverside Santa Ana Mts Comment
  UCR20710  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, Steve Boyd 1980-5-2 1444 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CAS-BOT-BC235774  Keckiella cordifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  RSA192064  Keckiella cordifolia E. W. Lathrop 1966-5-31 6348 Riverside Tenaja Range, Fisher man's Creek camp. Comment
  RSA293513  Keckiella ternata subsp. ternata C. W. Tilforth, Walter Wisura 1979-8-8 1896 Riverside Along Hwy 74 east junction with Hwy 371. Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning. Comment
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Jun 26 2013
  UCR2484  Koeleria macrantha F. M. Reed 1920-6-14 4419 Riverside San Jacinto Mtns., Banning Road west of Idyllwild 1677 Comment
  SBBG25153  Krameria bicolor Leota Davidson 1965-5-14 112 Riverside Joshua Tree Nat Monument Comment
  SD2346  Krameria bicolor unknown Riverside Palm Springs Comment
  JEPS99420  Krameria erecta D. H. Wilken, G. A. Wilken 1997-11-1 15375 Riverside Tributary of San Bernardino Wash, 0.3 km sw of Gold Crown Rd, sw slope of Pinto Mtns. Mojave Desert 605 Comment
  JOTR32603  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2668 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary Comment
  UC667260  Krameria erecta Annie M. Alexander and Louise Kellogg 1941-5-11 2150 Riverside Cottonwood Spring Eagle Mountains, Cottonwood Spring (on side of canyon, Eagle Mountains) 883 Comment
  RSA339622  Krameria grayi Robert F. Thorne 1980-5-28 54163 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UCR123758  Krameria grayi Steven R. Hill 2001-4-29 33545 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  RSA192323  Lagophylla ramosissima E. W. Lathrop 1966-9-14 6584 Riverside 3 miles SW of Murrieta. Comment
  UC1595558  Lamarckia aurea Steve Boyd, Orlando Mistretta 1991-5-22 6314 Riverside e of Dorland Mountain (w of Kolb Creek, base of Agua Tibia Mountain, Vail Lake Area); Vail Lake Area, Agua Tibia Mountain 548 Comment
  UCR133329  Lamarckia aurea 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
  UCR224992  Lamium amplexicaule Dave Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 6993 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 200 m S of East Westward Ave. 634 Comment
  RSA795475  Langloisia schottii C. P. Cowan 1978-4-23 1215 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  CHSC104026  Larrea tridentata Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu,T. Thibault 2004-5-14 11236 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains regions: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  CSUSB324  Larrea tridentata Paul M. Estes 1962-5-21 131 Riverside 5 miles east of Indio on Highway 99. Comment
  LA99472  Larrea tridentata Hisao P. Arai; 1957-4-17 sn Riverside 1 mi S of Cabazon, off Hwy 60 Comment
  RSA0121415  Larrea tridentata Duncan S. Bell, LeRoy Gross 2016-3-30 9183 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  RSA27448  Larrea tridentata I. L. Wiggins 1941-3-24 9567 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. 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
  RSA799880  Larrea tridentata D. M. Ray 2011-3-5 5 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UC1324900  Larrea tridentata H. U. Stauffer and R. F. Thorne 1964-5-5 5923 Riverside 6.5 km s Morongo Valley (4.8 km s of county border) 550 Comment
  UC1329965  Larrea tridentata James E. Cole 1941-5-10 700 Riverside Pinto Basin Joshua Tree National Monument (Cholla Patch) 640 Comment
  UCR228402  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-30 105 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, junction of Ramon Road and Thousand Palms Canyon Road, west of Thousand Palms north of powerline in Preserve 198 Comment
  UCSB7606  Larrea tridentata Beeks, Richard 1952-4-4 Riverside 7 miles North of Mecca, in Box Canyon Comment
  HSC85391  Lastarriaea coriacea Steve Boyd 1986-4-19 1697 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Rd. Comment
  SEINET2053249 Image available Lasthenia californica Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  CAS-BOT-BC352912  Lasthenia coronaria John Thomas Howell 1928-3-11 3415 Riverside Morongo Canon, n. Colorado Desert Comment
  RSA645634  Lasthenia coronaria Scott D. White 1999-5-2 7283 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
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Apr 23 2011
  RSA716422  Lasthenia coronaria Scott D. White 2006-4-27 11308 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC111314  Lasthenia coronaria S. B. Parish 1907-4-16 Riverside w base of the Colorado Desert 700 Comment
  UC63212  Lasthenia coronaria H. M. Hall 1903-3-28 3714 Riverside s side of Box Spring Mt.; Riverside 426 Comment
  UCR142209  Lasthenia coronaria June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  CAS-BOT-BC328105  Lasthenia glabrata subsp. coulteri D. Bramlet 1992-4-9 2221 Riverside 1.6 km W of Nuevo and 120 m N of the end of 11th Street. 45 m E of the San Jacinto River. 433 Comment
  RSA666587  Lasthenia glabrata subsp. coulteri A. C. Sanders, Sue Nash, Tom Paulek, et al. 2002-4-7 24903 Riverside San Jacinto Wildlife Area, west side of Davis Rd., just north of the old San Jacinto River channel (levee), 2.25mi. N of Lakeview. 434 Comment
  POM13822  Lathyrus vestitus subsp. alefeldii P. A. Munz 1922-4-28 5050 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  POM277816  Lathyrus vestitus subsp. alefeldii Lyman Benson 1932-3-26 3169 Riverside Temecula Valley. 548 Comment
  CAS-BOT-BC379672  Layia platyglossa Munz; Johnston 1922-5-19 5419 Riverside Hemet Valley, San Jacinto Mts 1402 Comment
  RSA495457  Layia platyglossa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2985 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  SEINET7063241  Layia platyglossa A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [Cahuilla Road]. UTM Zone 11, 515481mE, 3705072mN. (WGS84/NAD83). 887 Comment
  UC828918  Layia platyglossa I. W. Clokey and B. C. Templeton 1930-4-9 4664 Riverside n Banning 1100 Comment
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Mar 13 2011
  UCR114299  Layia platyglossa Julie A. Greene 1993-4-10 1150 a Riverside San Jacinto Valley, San Jacinto Wildlife Area. Sloping drainage from Davis Road. 436 Comment
  SD114841  Lemna gibba Wayne P. Armstrong 1983-10-8 1170 Riverside Santa Ana River, east of bridge where Highway 31 crosses river (north of Norco). 206 Comment
  CAS-BOT-BC534384  Lemna gibba G. R. Kleeberger 1878-12-29 s.n. Riverside Temescal Comment
  CAS-BOT-BC89432  Lepidium fremontii C. L. Hitchcock 1940-4-2 5921 Riverside Joshua Tree National Monument. Cottonwood Springs wash. Comment
  CAS-BOT-BC89434  Lepidium fremontii Ira L. Wiggins 1937-3-9 8755 Riverside 5 miles west of Shaver's Well. Comment
  POM184744  Lepidium fremontii C. L. Hitchcock 1932-4-8 12211 Riverside 1 mile west of Cottonwood Springs. Comment
  POM308636  Lepidium fremontii Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3213 Riverside Between Blythe and Desert Center. Comment
  UC856450  Lepidium fremontii Ira L. Wiggins 1937-3-9 8745 Riverside Chuckawalla Spring Chuckawalla Mts. Comment
  UCR16634  Lepidium fremontii James K. Ryan 1969-3-24 4 Riverside Joshua Tree National Monument, 11.4 mi north of Cottonwood Springs turnoff on main road through park, on W roadside. Cottonwood Mtns 610 Comment
  RSA429926  Lepidium lasiocarpum N. C. Cooper 1949-4-8 3308 Riverside Desert Center. 610 Comment
  RSA4969  Lepidium lasiocarpum C. B. Wolf 1932-4-27 3029 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  UCR112102  Lepidium lasiocarpum A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23353 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  CAS-BOT-BC89669  Lepidium lasiocarpum subsp. lasiocarpum Alice Eastwood 1913-4-30 3052 Riverside Palm Springs. Comment
  UCR603  Lepidium lasiocarpum subsp. lasiocarpum S. C. Warner 1956-4-28 s.n. Riverside Mojave Desert, Little San Bernardino Mtns., Joshua Tree National Monument, main road c. 2 mi north of White Tank Campground 1159 Comment
  RSA0135567  Lepidium lasiocarpum var. lasiocarpum G. Rink 2013-3-18 11873 Riverside About twelve miles west of Blythe, on proposed Quartzite solar power plant site. 105 Comment
  SD136238  Lepidium latifolium Dylan T. Hannon 1993-5-6 175 Riverside Norco, ca 3 miles west of Interstate 15, along north side of Santa Ana River bordering dairy fields Comment
  UCR77767  Lepidium latipes Steve Boyd, D. E. Bramlet 1991-5-13 6240 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  UCR14224  Lepidium nitidum June Latting 1979-3-26 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  SDSU13388  Lepidium nitidum var. nitidum Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 25 Riverside Along a poorly defined trail east of the North research station. Near the edge of the north side of the canyon wall. At the Santa Margarita Ecological Research Station(SDSU). 335 Comment
  UCR97714  Lepidium nitidum var. nitidum Scott D. White 1997-2-9 4681 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UCR275952  Lepidium virginicum var. pubescens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3793 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCR281224  Lepidium virginicum var. pubescens Mitch Provance, Jeremiah George 2017-3-23 317- 58 Riverside Temescal Valley, De Palma Rd., side canyon between Horsethief Canyon and Glen Eden, south of dirt road entrance to revegetation plots 372 Comment
  UCR225214  Lepidium virginicum var. robinsonii T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5163 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  CHSC109008  Lepidospartum squamatum Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4483 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 N33.94127, W116.64118 and N33.94722, W116.64305. 488 Comment
  UCD63993  Leptochloa fusca subsp. uninervia W. A. Harvey 1954-11-1 Riverside Blyth. Comment
  UCR21133  Leptochloa uninervia J. Zabriskie, Steve Boyd, A. C. Sanders 1980-4-17 1335 Riverside Sonoran (Colorado) Desert, Coachella valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms -- a palm grove of several hundred trees and some surface water. Comment
  RSA221059  Leptosiphon floribundus subsp. glaber E. W. Lathrop 1966-4-27 6216 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  CAS-BOT-BC226618  Leptosiphon floribundus subsp. hallii A. Davidson 1903-5-1 s.n. Riverside Thermal, Colorado Desert Comment
  RSA543904  Leptosiphon pygmaeus subsp. continentalis Steve Boyd, Orlando Mistretta 1991-5-22 6287 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA26971  Lesquerella tenella C. L. Hitchcock 1940-3-31 5881 Riverside 0.5 mile below Cottonwood Springs Comment
  RSA761687  Lessingia glandulifera var. glandulifera Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 703 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCD87589  Leymus triticoides P. B. Kennedy 1915-1 s.n. Riverside Wineville. Comment
  SD236325  Limnanthes alba subsp. parishii A. C. Sanders, Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA618424  Limonium perezii D. L. Banks 1997-5-5 1951 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. Approximately 50 m east of the intersection between Vail Ranch Parkway., Redhawk Parkway and Nighthawk Pass. 378 Comment
  UCR121236  Linanthus androsaceus subsp. luteolus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2257 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  JOTR34293  Linanthus bigelovii Andre, Jim 2012-4-11 20702 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA287066  Linanthus californicus S. Carlquist 1981-4-11 15645 Riverside Ortega Hwy - 74, 2 miles south of Lake Elsinore Comment
  RSA232996  Linanthus dianthiflorus subsp. dianthiflorus D. A. Young 1969-4-12 P- 389 Riverside 10 mi SE of Hemet, 200 yrs. E. of State St. in a wash. 335 Comment
  RSA676060  Linanthus jonesii Scott D. White 2001-4-3 8247 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA704587  Linanthus jonesii LeRoy Gross 2005-3-3 1587 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR102951  Linanthus jonesii George K. Helmkamp 1998-4-4 3172 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR147596  Linanthus liniflorus Naomi Fraga, S. DeGroot 2004-7-7 1295 Riverside Peninsular Ranges; San Jacinto Mountains region, Along Chimney Flats Road (5S06) 1372 Comment
  RSA489837  Linanthus pungens subsp. hallii D. Charlton 1988-5-28 2135 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  UCR116408  Linanthus pygmaeus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24181 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR121183  Linanthus pygmaeus D. E. Bramlet 1990-4-27 1984 Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  SEINET7073304  Linaria canadensis A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  RSA559963  Linaria canadensis var. texana Steve D. Boyd, Orlando Mistretta 1992-4-23 7076 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area Western flank of Bluewater Canyon along Bluewater Trail between canyon bottom and southern end of Oak Flats. 488 Comment
  RSA740081  Linum lewisii Scott D. White, Justin M. Wood 2008-6-16 12146 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UC126713  Lipocarpha occidentalis F. M. Reed 1908-7-2 2443 Riverside San Jacinto Mountains, Lake Surprise Lake Surprise; San Jacinto Mountains, Lake Surprise Comment
  UCR171718  Lobularia maritima John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  RSA525352  Loeflingia squarrosa Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4450 -A Riverside Vail Lake area, benches along Kolb Creek, W of Dripping Springs, N of Hwy 79. 488 Comment
  UC120278  Loeflingia squarrosa var. squarrosa D. Cleveland 1882-5-3 Riverside San Jacinto Plain Comment
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Nov 9 2009
  JOTR29601  Loeseliastrum matthewsii Andre, Jim 2006-4-26 6758 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  SD241133  Loeseliastrum schottii Dave Silverman, Onkar Singh 2010-3-27 7866 Riverside McCoy Wash, N of Palo Verde Mesa, 5.3 km W of Mesaville siding, W of A Canal/Levee Blvd., and ca. 7 km N of Blythe Airport. 135 Comment
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Apr 24 2017
  UCR87936  Logfia filaginoides A. C. Sanders, Nancy Ferguson 1994-6-2 14633 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  UCR75547  Logfia gallica A. C. Sanders 1993-5-17 14067 Riverside San Jacinto Valley, Hemet, south side Florida Ave (Hwy 74) on east side of California Ave. 460 Comment
  SEINET251733 Image available Lolium multiflorum Walter Graves 2002-6-11 602 -5 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  RSA511058  Lolium perenne Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UCR12587  Lolium perenne Robert Ferrone 1972-5-20 s.n. Riverside Riverside: along banks of Santa Ana River below Union Pacific Bridge near Jurupa Ave. 152 Comment
  UCR2529  Lolium temulentum F. M. Reed 1904-6-5 168 Riverside Riverside, outlet to dam in Fairmont Park Comment
  SEINET182499  Lomatium dasycarpum I. W. Clokey 1935-4-18 7680 Riverside Cavilan Peak 700 Comment
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Dec 29 2013
  JOTR32144  Lomatium mohavense La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2300 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
  RSA0120234  Lomatium mohavense Duncan S. Bell, Thomas Stoughton 2016-4-14 9284 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  SD7635  Lomatium utriculatum unknown May 1882 Riverside San Jacinto Plain Comment
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Jul 12 2010
  CAS-BOT-BC234805  Lonicera subspicata Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat, Santa Rosa Mts. 1524 Comment
  LA204616  Lonicera subspicata Victor Duran; 1933-7-2 3496 Riverside Santa Rosa Mountains, Vandeventer Flat 1523 Comment
  JEPS24429  Lonicera subspicata var. denudata Peter M. Ray 1949-12-26 1582 Riverside at summit or road from Hemet; San Jacinto Mts., Hall Canyon 1645 Comment
  RSA38362  Lonicera subspicata var. denudata P. A. Munz 1946-10-19 11567 Riverside 1 miles east of Anza. 1159 Comment
  RSA386936  Lotus K. Tomlinson, Deborah L. Kama, R. F. Thorne 1985-3-27 906 -b Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA526167  Lotus argophyllus var. argophyllus Steve Boyd, T. S. Ross 1990-5-11 4670 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
  POM122398  Lotus crassifolius Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UCSC000380  Lotus crassifolius I. J. Condit 2010-6-22 s.n. Riverside along stream San Jacinto Mts. 2591 Comment
  RSA748359  Lotus crassifolius var. crassifolius Sarah J. De Groot, Naomi Fraga 2004-7-8 4389 Riverside San Jacinto Mountains: East of Idyllwild along Chimney Flats Road 5S06, off end of Tollgate Road. Between intersection of 5S06 and 5S24 and intersection of 5S06 with 5S04. 1524 Comment
  JEPS55436  Lotus grandiflorus var. grandiflorus W. L. Jepson 1903-8-8 2293 Riverside Strawberry Valley San Jacinto Mt. 1828 Comment
  POM13456  Lotus grandiflorus var. mutabilis P. A. Munz 1922-5-19 5403 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  UCR102882  Lotus hamatus A. C. Sanders 1997-3-26 20126 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA90301  Lotus hamatus F. W. Peirson 1919-4-12 714 Riverside Along the Tahquitz Creek stream near Palm Springs Comment
  RSA0028977  Lotus heermannii John F. Emmel 1990-10-28 1157 Riverside Along NW shore of Lake Hemet, ca. 1.7 air mi west and 0.3 air mi south of Lake Hemet Store. 1311 Comment
  RSA406415  Lotus heermannii var. heermannii E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment
  UC1608296  Lotus micranthus Steve Boyd and Tim Ross 1992-5-5 7256 Riverside s of Serrano Spring (along Serrano Spring drainage, between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  RSA406176  Lotus nevadensis var. nevadensis N. C. Cooper 1944-7-16 1561 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  RSA406218  Lotus oblongifolius M. B. Dunkle 1933-7-20 3712 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR159142  Lotus procumbens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16218 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UC1329862  Lotus procumbens var. procumbens James E. Cole 1941-5-29 819 Riverside Stubby Spring Road Joshua Tree National Monument 1432 Comment
  UCR208343  Lotus purshianus O. F. Clarke 2004-5-9 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, along vernal pool trail 625 Comment
  POM158595  Lotus salsuginosus G. R. Vasey 1880-06 126 Riverside Temecula Comment
  RSA613639  Lotus salsuginosus D. L. Banks, Victor W. Steinmann 1997-3-13 1480 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
  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
  UCR251298  Lotus salsuginosus T. B. Salvato 2013-3-27 7432 Riverside Temescal Valley, Corona, c. 1 mi southeast of Corona (Lee) Lake and 0.2 mi south of Hwy 15, between De Palma Road and Colt Drive, west side of Horsethief Canyon Road 396 Comment
  RSA510021  Lotus salsuginosus var. salsuginosus B. Pitzer 1988-3-10 642 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UCR176912  Lotus scoparius subsp. brevialatus Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  JOTR29612  Lotus scoparius var. brevialatus Andre, Jim 2006-4-26 6750 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  IRVC26263  Lotus strigosus A. C. Sanders, D. Malueg 2003-5-8 26571 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
  UCR103907  Lotus strigosus B. G. Pitzer 1997-4-11 3108 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
  VVC945  Lotus strigosus G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2718 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  RSA359880  Lotus strigosus Steve Boyd 1986-4-2 1601 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC1929817  Lotus strigosus var. strigosus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10471 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
  POM13082  Luetkea pectinata Philip A. Munz 1921-06 s.n. Riverside Tacquitz Ridge 2439 Comment
  UC130312  Lupinus H. M. Hall 1899-5-20 1376 Riverside Moreno Comment
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Mar 20 2011
  UCR177944  Lupinus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 028 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA414840  Lupinus arizonicus Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Banning Comment
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Oct 23 2011
  RSA510034  Lupinus arizonicus B. Pitzer, S. Myers, J. Wilkinson 1988-2-21 603 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  RSA727086  Lupinus arizonicus Naomi S. Fraga, Lisa Rojas 2005-2-10 1371 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR166873  Lupinus arizonicus Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR279239  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-23 42935 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  SEINET10488550  Lupinus arizonicus Duane Isely, Wendell H. Bragonier 1960-3-22 Isely 7203 Riverside Roadside, edge of Desert Palms. Comment
  RSA556436  Lupinus bicolor Julie Greene 1993-4-17 1192 Riverside San Jacinto Wildlife Area. Flat area west of Davis Rd. 445 Comment
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Dec 11 2008
  RSA583482  Lupinus bicolor Steve Boyd 1995-5-13 8512 Riverside Santa Ana Mountains, south of Elsinore Peak near intersection of road to radio towers on summit and trail following old Main Divide Road grade. 1037 Comment
  SD137773  Lupinus bicolor Darin L. Banks, Steve Boyd 1995-5-3 282 Riverside Agua Tibia Wilderness Area, east of the Dripping Springs Alcove Area. 512 Comment
  UCR155315  Lupinus bicolor A. C. Sanders, Mike Misenhelter 2005-3-23 29252 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR199563  Lupinus bicolor Scott D. White 2004-4-26 10267 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR232788  Lupinus bicolor John F. Green 2008-4-16 0408- 31 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  POM350060  Lupinus bicolor subsp. microphyllus E. Crow 1929-2-24 176 Riverside Near Cabazon, NW Colorado Desert Comment
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Mar 13 2011
  POM350018  Lupinus bicolor subsp. umbellatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SEINET2062597 Image available Lupinus bicolor var. microphyllus Norman C. Cooper 1947-4-5 2038 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA519404  Lupinus elatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UC489013  Lupinus formosus C. V. Meyer 1929-6-18 773 Riverside Hemet Valley; San Jacinto Mts., Hemet Valley 1341 Comment
  LA205046  Lupinus formosus var. bridgesii Elizabeth McClintock; 1941-5-19 4 Riverside Santa Rosa Indian Reservation Comment
  UCR139039  Lupinus hirsutissimus D. L. Banks, V. W. Steinmann 1997-3-13 1416 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR4134  Lupinus hirsutissimus Ronald M. Cope 1965-3-27 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Canyon on E side of Canyon Crest Drive, c. 2.5 mi. from fire prevention lab. 259 Comment
  UCR16254  Lupinus longifolius S. Riddell 1973-5-17 730517 12 Riverside Peninsular Range; Santa Ana Mtns., 0.1 mi west of El Cariso Fire Station on Hwy 74, 15 ft from the road 793 Comment
  RSA11287  Lupinus microcarpus var. densiflorus Philip A. Munz 1922-6-25 5814 Riverside Vanderventer to Santa Rosa 1433 Comment
  SD148159  Lupinus microcarpus var. microcarpus G. K. Helmkamp, E. A. Helmkamp 2001-5-2 6624 Riverside La Panza Range: CA-58 11.2 miles east of Santa Margarita 487 Comment
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Dec 7 2011
  JOTR31222  Lupinus shockleyi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2006 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  JOTR34070  Lupinus sparsiflorus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2967 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  RSA678353  Lupinus sparsiflorus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10469 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
  UC1228585  Lupinus sparsiflorus C. L. Hitchcock and C. V. Muhlick 1962-3-16 22153 Riverside ca 12 mi se Corona (Temescal Canyon); Temescal Canyon Comment
  UC1506127  Lupinus sparsiflorus R. T. and J. M. Clausen 1963-4-27 63075 Riverside se Winchester; se of Winchester 680 Comment
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Mar 20 2011
  SBBG120070  Lupinus succulentus A. C. Sanders, K. Volansky 2005-3-17 29211 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA414396  Lupinus truncatus E. Crow 1929-4-7 300 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  SEINET1910850  Lupinus truncatus A. C. Sanders 1997-1 19717 Riverside Riverside: Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity'. and ridge S and SE of the UCR Botanic Garden (Riverside East 7.5'Q.) 427 Comment
  UCR158729  Lupinus truncatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30015 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
  UCR199629  Lupinus truncatus Scott D. White 2004-4-26 10253 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA776287  Lycium andersonii Duncan S. Bell 2010-3-20 627 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SEINET3078088 Image available Lycium andersonii B. Pitzer 1988-3-10 659 Riverside W side of Chuckwalla Mountains, on gas line road ca. 1.5 mi N of intersection with Red Cloud Mine Rd (and wash); ca. 2 miles (airline) S of Hwy I-10. 488 Comment
  UCR133978  Lycium andersonii Mitch Provance, J. S. Ross 1998-3-27 MOR- 963 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR260221  Lycium andersonii A. C. Sanders, Jim Malusa 2015-3-9 41365 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
  RSA719265  Lycium andersonii Michael Honer, L. Hulse 2004-4-3 1902 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  JOTR36408  Lycium cooperi La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3358 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  UCR41831  Lythrum californicum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6098 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SD204913  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55215 Riverside Santa Ana Mountains region: Southwest of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  UCR280837  Lythrum hyssopifolia T. B. Salvato, Gregg Miller 2005-6-3 1369 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  RSA301960  Machaeranthera asteroides J. R. Shevock 1972-10-14 2319 Riverside Near Anza, Hwy 71. Comment
  UCR92038  Machaeranthera asteroides Scott D. White 1995-8-23 3589 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
  UCR72209  Machaeranthera pinnatifida subsp. gooddingii Theo Glenn 1991-5-21 91- 108 Riverside Sonoran (Colorado) Desert, Arica Mtns, SW of Rice. Near old Priest Mine 421 Comment
  UCR77741  Madia exigua Steve Boyd, O. Mistretta 1991-5-22 6305 Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  UCR193911  Madia gracilis A. C. Sanders, Mitch Provance 2008-7-11 35809 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  CLARK-A1528-617  Malacothamnus fasciculatus Stanley W. Austin 1969-5-8 28 Riverside Riverside 365 Comment
  JEPS36809  Malacothrix clevelandii W. L. Jepson 1928-4-19 12430 Riverside hills 5 mi n Elsinore Comment
  POM362265  Malacothrix clevelandii N. C. Cooper 1944-5-21 1287 Riverside San Jacinto Mtns. West Side. 915 Comment
  POM14298  Malacothrix glabrata P. A. Munz, D. D. Keck 1922-4-9 4817 Riverside Southern base of Eagle Mountains, 3 miles northeast of the 'Hayfields' 213 Comment
  POM362323  Malacothrix glabrata Ora M. Clark 1929-3-16 1718 Riverside NW Whitewater Comment
  RSA721109  Malacothrix glabrata J. R. Bruff 1928-4-2 115 -b Riverside Canyon wash west of Morango Comment
  SEINET2042092 Image available Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside (Desert Hot Springs Quad 7.5')Coachella Valley, Garnet, along transmission line route, E of Garnet. T3S R4E S15 (center of W/2) 232 Comment
  UCR27223  Malacothrix saxatilis E. W. Lathrop 1966-5-1 6256 Riverside Santa Ana Mtns., Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  RSA776240  Malacothrix stebbinsii Duncan S. Bell 2010-3-20 599 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA662129  Marah macrocarpa Daniel Curran 1981-2-16 10 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  UCD107550  Marah macrocarpa R. L. Smith 1948-3-24 s.n. Riverside Murray Canyon. Comment
  CAS-BOT-BC193266  Marina parryi Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2131 Riverside N. end of Palen Mrns, 2 mi west of Palen Pass 91 Comment
  POM78929  Marsilea vestita I. M. Johnston 1925-7-7 5285 Riverside ca. 1 mile NW of Norco 182 Comment
  UCR181958  Marsilea vestita Mitch Provance 2005-5-17 6587 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
  UCR266328  Marsilea vestita D. E. Bramlet 1991-6-15 2192 Riverside Perris-Aguanga Basin Region, bed of San Jacinto River at MWD maintenance road crossing, 3865 ft. south of Ramona Expressway, 4055 ft. east of Pozos Ave., & 1977 ft. SE of Lakeview Hot Springs 433 Comment
  UCR201426  Matricaria matricarioides Scott D. White, Justin M. Wood 2008-6-17 12159 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  SEINET8721615 Image available Medicago sativa Jean Coulson 1959-1 s.n. Riverside 0.9 mi. W. of Junction of 60 and 79 at side of road, 60, S, side, right next to road. Comment
  UCR140893  Melica frutescens Virginia Moran 2003-5-28 s.n. Riverside Peninsular Range; Perris-Aguanga Basin region, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  JOTR35203  Melica imperfecta Harding, Mitzi, Tasya Herskovitz 2011-4-28 180 Riverside Joshua Tree National Park. Lost Horse Mountains; near Lost Horse Mine trailhead; small rocky gully adjacent to trail 1414 Comment
  UCR2544  Melica imperfecta F. M. Reed 1906-3-17 925 Riverside Riverside. south fork of Arroyo Tequesquite, opposite bee ranch. Comment
  UCR156290  Melilotus indicus T. B. Salvato, Kent Beaman 2005-5-16 834 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
  RSA0107459  Mentzelia albicaulis Duncan S. Bell, Amanda Turek 2009-3-29 148 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  SD260065  Mentzelia albicaulis J. Andre 2012-4-11 20778 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky hills and large wash. 729 Comment
  RSA282775  Mentzelia congesta C. W. Tilforth, B. Busenberg 1980-10-6 1994 Riverside Ca. 1/2 mi. north of Thomas Mtn. Campground, along Thomas Mtn. Rd., south of Lake Hemet, west of Highway 74. Comment
  JEPS42802  Mentzelia involucrata W. L. Jepson 1928-4-23 12552 Riverside Cottonwood Mts., Cottonwood Spr. 487 Comment
  RSA0014463  Mentzelia involucrata Justin M. Wood, J. Miner 2010-4-29 1537 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  SD225012  Mentzelia involucrata G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2672 Riverside Little San Bernardino Mtns, 3.2 mi N of jct of Thousand Palms Canyon Rd & Dillon Rd. 456 Comment
  UCR274850  Mentzelia involucrata David Fraker, Aaron C. Sedgwick 2012-4-4 067 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  CSUSB971  Mentzelia involucrata var. megalantha Bruce Freeman 1968-5-4 680504 5 Riverside Whitewater Canyon, 1 mile south of point where road crosses river. 487 Comment
  POM15051  Mentzelia involucrata var. megalantha Mary F. Spencer 1922-3-29 1990 Riverside Mecca -49 Comment
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May 29 2011
  POM259507  Mentzelia involucrata var. megalantha E. C. Jaeger 1939-12-26 s.n. Riverside Fargo Canyon, colorado desert. Comment
  RSA33377  Mentzelia jonesii N. C. Cooper 1944-3-25 1037 Riverside Morongo Pass. 457 Comment
  UCR275427  Mentzelia longiloba Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 961 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  RSA264571  Mentzelia longiloba var. longiloba C. W. Tilforth, John Dourley 1977-5-19 1323 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road, between Arica Mtns & Rice Valley. 244 Comment
  RSA543979  Mentzelia micrantha Steve Boyd 1991-5-10 6211 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  POM2969  Mentzelia montana H. M. Hall 1919-12 3829 Riverside [Unspecified] Comment
  JOTR30138  Mentzelia veatchiana La Doux, Tasha 2008-2-4 1705 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  UCR261175  Mentzelia veatchiana A. C. Sanders, Katie Young, John Hale 2015-4-22 41600 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  UCR27140  Mentzelia veatchiana T. P. Krantz, K. Berg 1982-5-26 s.n. Riverside San Jacinto Mtns., along Bonita Vista Road, north of Garner Valley Comment
  UCR160323  Micropus californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  UCR220324  Microseris douglasii D. E. Bramlet 1992-4-3 2210 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  UCR272459  Microseris douglasii Mitch Provance, Jeremiah George 2012-3-15 312- 04 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  RSA192187  Microseris douglasii subsp. platycarpha E. W. Lathrop 1959-4-16 4446 B Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  RSA543772  Microseris heterocarpa Steve Boyd 1991-5-7 6173 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA0018778  Mimetanthe pilosa M. Alice King 1893-07 257 Riverside Rayneta [Idyllwild], San Jacinto Mts. Comment
  RSA38706  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11503 Riverside probably a hybrid with puniceus decomposed granite of steep slope and along roadside. Indian Canyon, Indican Canyon Truck Trail. Comment
  UCR140565  Mimulus aurantiacus var. pubescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 9- 72 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles east of Hemet on Hwy 74 near Dry Creek, Site L9 961 Comment
  JEPS86530  Mimulus aurantiacus var. puniceus Roy E. Buck 1988-4-1 868 Riverside 7 air km w Lake Elsinore (town) (e-facing slope above CA Hwy. 74, near top of grade w of Lake Elsinore, ca 2.0 air km nw of confluence of Harlan Canyon and Johnson Canyon drainages); Elsinore Mountains 780 Comment
  RSA715296  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32675 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  JEPS8160  Mimulus bigelovii var. bigelovii W. L. Jepson 1928-4-25 12596 Riverside Cottonwood Springs Eagle Mountains 731 Comment
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Oct 23 2011
  RSA504961  Mimulus bigelovii var. bigelovii D. Charlton 1988-2-18 1158 Riverside Little San Bernardino Mountains. south side of range. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Monument, parallel to I-10. 5 miles E of Junction of Dillon Road and Fargo Canyon Road. 762 Comment
  UC2030124  Mimulus bigelovii var. bigelovii Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38096 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
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May 11 2019
  CLARK-A1528-4234  Mimulus brevipes John C. Roos 1937-4-17 Riverside Aguanga Comment
  UCR158264  Mimulus brevipes A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30120 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
  UCR35251  Mimulus cardinalis L. B. Ziegler 1967-7-26 191 Riverside San Jacinto Mtns, Stone Creek Canyon 1829 Comment
  UC943902  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1899 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  CAS-BOT-BC9449  Mimulus diffusus B. Ertter; J. Strachan 1979-6-26 2975 Riverside Kenworthy Forest Station on Rte. 74 in Garner Valley, San Jacinto Mtns. Comment
  UCR217532  Mimulus diffusus Diane Menuz 2008-4-4 392 Riverside Peninsular Range, Palomar Mountains. And 0.5 mi down Woodchuck Rd. from national forest boundary 719 Comment
  RSA526488  Mimulus floribundus Steve Boyd, Tim S. Ross 1990-5-11 4685 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA612169  Mimulus floribundus Louis C. Wheeler 1932-7-9 930 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR93071  Mimulus floribundus A. C. Sanders, S. Ogg 1994-6-28 15182 Riverside Santa Ana River between the Hwy 60 bridge and the Mission Blvd. Bridge 241 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
  UCR67357  Mimulus palmeri Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4007 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  UCR20887  Mimulus pilosus A. C. Sanders 1978-7-1 s.n. Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  POM12787  Minuartia douglasii P. A. Munz 1922-6-23 5773 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  JOTR29224  Mirabilis albida La Doux, Tasha, Mike Bell 2005-9-15 1337 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  SEINET10478627  Mirabilis bigelovii var. bigelovii Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 19 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  SDSU8463  Mirabilis bigelovii var. retrorsa A. H. Gallup 1949-3-28 362 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert]. On dry slopes, east slope, Colorado Desert drainage area, San Jacinto Mt. Range 762 Comment
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Jan 30 2013
  POM214539  Mirabilis laevis var. crassifolia Joseph A. Ewan 1932-4-8 7042 Riverside Whitewater Canyon, about 3 miles above mouth. Comment
  RSA0027982  Mirabilis laevis var. crassifolia D. L. Banks, Victor W. Steinmann 1997-3-13 1461 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
  SDSU18725  Mirabilis laevis var. crassifolia C. Matt Guilliams 2008-2-13 451 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. 410 Comment
  UC101227  Mirabilis laevis var. villosa S. B. and W. F. Parish Apr 1881 659 Riverside Cabezon Comment
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Mar 21 2011
  POM204398  Mirabilis linearis F. M. Reed 1934-7-25 8895 Riverside Santa Fe RR right of way, North of Central Ave 244 Comment
  CHSC22351  Mohavea confertiflora Robert A. Schlising 1973-3-31 3074 Riverside Salt Creek Wash, between Orocopia and Chocolate Mountains (ca 5 mi NE of 'crossing 24' on Coachella Canal). Comment
  RSA408759  Mohavea confertiflora Christopher Davidson 1979-4-4 7692 Riverside Orocopia Mts., lower end of Box Canyon on Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UC196564  Mohavea confertiflora Joseph Grinnell 1910-3-17 Riverside Riverside Mountain, Colorado River Colorado River; Riverside Mountain, Colorado River Comment
  UCSB10569  Mohavea confertiflora Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
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Nov 23 2014
  UCSB7451  Mohavea confertiflora Sage, Paul 1958-3-22 Riverside on S side of U. S. 66; 6 mi. E. of Desert Center 274 Comment
  JOTR32414  Mollugo cerviana Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 5 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  RSA0104497  Mollugo cerviana Duncan S. Bell 2015-9-30 8658 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR77714  Mollugo verticillata Steve Boyd, Et al 1991-6-14 6342 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  UCD125041  Monardella australis Mitch Provance; Steve Boyd, Lauren Raz 1998-8-13 998 Riverside Desert Slopes of the San Bernardino Mountains: ca 1.5 miles east of Cushenberry Springs. 1402 Comment
  LA62610  Monardella australis subsp. australis Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley Comment
  RSA408712  Monardella australis subsp. australis F. W. Peirson 1924-7-27 4993 Riverside Dark Canyon, near Deer Springs, San Jacinto Mts. Comment
  UCR146128  Monardella australis subsp. australis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1449 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  JEPS63324  Monardella breweri subsp. lanceolata Marjorie D. Clary 1932-8-21 978 Riverside Hemet Lake, Hemet Valley 1341 Comment
  UC456087  Monardella breweri subsp. lanceolata I. J. Condit 1910-6-21 Riverside Strawberry Valley, San Jacinto Mts. 1676 Comment
  UC519759  Monardella breweri subsp. lanceolata C. Epling 1932-6-26 Riverside Jurupa Hills Comment
  POM230697  Monardella lanceolata var. lanceolata I. W. Clokey, E. G. Anderson 1935-8-21 6870 Riverside North fork, San Jacinto River. 1500 Comment
  UC1499936  Monardella nana E. McClintock, H. Lewis 1941-6-29 80 Riverside Santa Rosa Mt. road, 5 1/2 miles beyond canyon where stream crosses road 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
  RSA750402  Monardella nana subsp. arida Elizabeth McClintock 1940-9-1 s.n. Riverside San Jacinto Mts. Trail between Tahquitz Valley and Hidden Lake. Comment
  RSA750411  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 60 Riverside Road to Santa Rosa Mt. 1.5 miles above Pines to Palms Highway. Comment
  POM48878  Monardella nana subsp. tenuiflora P. A. Munz 1924-7-27 8739 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  POM13781  Monolepis nuttalliana P. A. Munz, I. M. Johnston 1922-5-5 5152 Riverside Mystic Lake, near Moreno. 427 Comment
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Mar 20 2011
  RSA450538  Monoptilon bellioides B. A. Prigge 1988-2-21 7843 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
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Feb 23 2010
  RSA516893  Monoptilon bellioides Steve Boyd, Orlando Mistretta 1986-3-13 1409 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA517245  Monoptilon bellioides Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1337 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  RSA696851  Monoptilon bellioides J. R. Bruff 1927-3-12 s.n. Riverside 3 mi. S of Garmet; 8 Palms Comment
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Nov 3 2011
  RSA81012  Monoptilon bellioides G. R. Campbell 1952-4-5 18367 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  RSA741013  Montia fontana Scott D. White, Justin M. Wood 2008-6-18 12230 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UCR2783  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside. Spring Brook above Fairmont Park. Comment
  RSA613274  Muhlenbergia microsperma L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Snow Canyon, foot of Mount San Jacinto. 579 Comment
  UCD86819  Muhlenbergia microsperma Alan A. Beetle 1946-4-18 4231 Riverside At DeLuz near Murietta. Comment
  UCR19374  Muhlenbergia microsperma John C. Roos 1937-5-1 1406 Riverside La Sierra Campus of Loma Linda Univ. Comment
  UCR50587  Muilla maritima B. G. Pitzer, E. Misquez 1988-2-28 0633 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA0010811  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd., just E of corner of 29th St. and Scenic Drive. 305 Comment
  RSA171991  Nama demissa Robert F. Thorne 1963-3-29 32405 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA421110  Nama demissa Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR20772  Nama demissa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1316 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  RSA727598  Nama demissa var. demissa Naomi S. Fraga, Lisa Rojas 2005-2-10 1387 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SD73600  Nama demissa var. demissa Helen V. Witham 830 Riverside Highway 74, 24.3 miles east of Lake Hemet. 1299 Comment
  RSA0040072  Nama hispida var. spathulata Jim Andre 2014-1-27 26661 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UCR232519  Nama hispida var. spathulata Dave Silverman, Onkar Singh 2010-3-27 7862 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 4.9 km WSW of Mesaville siding, west of A Canal/Levee Blvd, & c. 6.5 km N of Blythe Airport. 131 Comment
  RSA487431  Nassella lepida Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA180317  Nasturtium officinale E. W. Lathrop 1964-5-24 5398 Riverside 8 miles west of Murrieta Comment
  UCD116093  Nasturtium officinale R. N. Raynor 1933-3-31 s.n. Riverside Eden Hot Springs. Comment
  UCR266253  Navarretia fossalis D. E. Bramlet 2006-5-25 4002 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 24 m east of the San Jacinto River channel and 37 m north of Nuevo Rd. bridge 430 Comment
  UCR20978  Navarretia prostrata A. C. Sanders 1980-5-17 1466 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  JEPS57952  Nemacaulis denudata var. gracilis Dr. L. M. Newlon 1922-4-5 462 a Riverside e Palm Springs; San Jacinto Mts. Comment
  SEINET10458383  Nemacladus longiflorus Townsend S. Brandegee 1905-5-12 Brandegee s.n. Riverside Wilder's near Riverside Comment
  RSA771691  Nemacladus longiflorus var. breviflorus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4687 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
  SEINET13276786 Image available Nemacladus ramosissimus A. C. Sanders, D. Malueg 2003-1 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek (Murrieta 7.5' Q.) 396 Comment
  UCR25788  Nemacladus ramosissimus John C. Roos 1937-7-11 1507 Riverside Box Springs Mtns, Reche Canyon Comment
  UCR281472  Nemacladus ramosissimus Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-3-31 317- 98 Riverside Temescal Valley, Corona, N side of Campbell Ranch Rd., 0.2 miles E of intersection with Temescal Canyon Rd. 330 Comment
  RSA421339  Nemophila menziesii Ora M. Clark 1929-4-7 2038 Riverside S. Hemet. Comment
  RSA766539  Nemophila menziesii Scott D. White, Angelia Carey 2004-4-5 9987 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA771734  Nemophila menziesii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4780 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SEINET7067555  Nemophila menziesii A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. Comment
  PASA2137  Nicotiana clevelandii 1926-2-21 Riverside Thousand Palms Comment
  OBI35027  Nicotiana obtusifolia Sears 1977-10-12 S 572 Riverside Corn Spring, Desert Palm Oasis 512 Comment
  SD67899  Nolina parryi Reid Moran 1968-8-3 15374 Riverside W slope of Santa Rosa Mtn. 1750 Comment
  UCD137521  Notholaena californica Geoffrey Levin 1976-3-27 684 Riverside San Jacinto Mts, Chino Canyon. West of Palm Springs. 396 Comment
  CLARK-A1528-3541  Notholaena newberryi John C. Roos 1936-11-21 Riverside La Sierra Comment
  POM204401  Oenothera biennis F. M. Reed 1934-10-15 s.n. Riverside Chicago Ave. Comment
  RSA788412  Oenothera bistorta var. veitchiana Doris Bowers 1972-4-15 1798 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  CLARK-A1528-670  Oenothera deltoides Charlotte Stocks 1962-5-18 Riverside Coachella Valley Comment
  UCR90165  Oenothera deltoides R. W. Scora 1966-4-1 3005 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  POM126853  Oenothera deltoides subsp. deltoides E. E. Schellenger 20 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  RSA146010  Oenothera deltoides subsp. deltoides William M. Klein 1959-3-1 800 Riverside Bermuda Dunes; along the LaQuinta road, .5 miles south of the junction of US Hwy 60-99, about 6 miles northwest of Indio. 61 Comment
  RSA264557  Oenothera deltoides subsp. deltoides C. W. Tilforth, J. Dourley, Walter Wisura 1977-5-19 1321 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road, between Arica Mtns & Rice Valley. 244 Comment
  RSA771509  Oenothera dentata Keith E. Hoffmaster 1937-6-6 760 Riverside Near Valle Vista, Hemet Valley. Comment
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Jun 24 2020
  CAS-BOT-BC427469  Oligomeris linifolia L. A. Greata 1905-1-1 490 Riverside Coachella Comment
  RSA543876  Oligomeris linifolia Steve Boyd, D. E. Bramlet 1991-5-13 6244 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
  UCR117377  Oligomeris linifolia B. G. Pitzer 1998-2-1 3446 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR148316  Oligomeris linifolia John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR72184  Oligomeris linifolia Theo Glenn 1992-3-31 92 20 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA614672  Oncosiphon piluliferum D. E. Bramlet 1992-5-6 2265 Riverside San Jacinto Wildlife Area; approximately 920 m northwest of Lakeview. The site is found 487 m west of Davis Road and 46 m north of Marvin Road 433 Comment
  UCR232066  Oncosiphon piluliferum John F. Green 2008-4-24 13- 06 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR256754  Oncosiphon piluliferum T. B. Salvato, Matthew Malle 2013-5-20 7568 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  UCR261455  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41442 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCD97978  Opuntia basilaris var. basilaris William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA355168  Opuntia oricola A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 646 Riverside Sandia canyon, south side of Mesa de Burro, just below large water tanks near intersection of De Luz Road & Rancho California Road,Santa Rosa Plateau, Santa Ana Mountains. 457 Comment
  CAS-BOT-BC56231  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9460 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  UCR201408  Orobanche californica subsp. feudgei Justin M. Wood, Brandy N. Ulrich 2008-7-14 18 Riverside San Jacinto Mountains, Garner Valley, near intersection of Fobes Ranch Road and Hwy 74 1360 Comment
  JEPS85942  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4522 Riverside ca 16 mi ne Desert Center (along Rice Rd) Comment
  UC1080462  Orobanche cooperi P. C. Everett and E. K. Balls 1958-4-29 23031 Riverside 21.9 sw of Rice (along road from Desert Center to Vidal Junction) 548 Comment
  UCR33629  Orobanche cooperi Sears 1978-3-16 832 Riverside Sonoran (Northern Colorado) Desert, 12 mi NW of Midland, 3 mi SW of Rice in sand dunes 244 Comment
  SEINET8853686 Image available Orobanche fasciculata Norman C. Cooper 1944-1 1406 Riverside San Jacinto Mtns. West side. 1372 Comment
  RSA0077923  Orobanche fasciculata Ivan M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon. 243 Comment
  RSA0030794  Orthocarpus purpurascens N. C. Cooper 1944-3-25 1000 Riverside Cabazon. 457 Comment
  RSA500989  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3108 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  UC1520011  Osmadenia tenella Robert Gustafson, Gary Wallace 1983-6-23 2721 Riverside ca 2 1/2 mi from its junction with Hwy. 15 Clinton Keith Road; Santa Ana Mts. Comment
  UC64173  Oxalis albicans subsp. californica H. M. Hall 1897-3-20 403 Riverside Gavilan Comment
  UC6614  Oxytheca trilobata H. M. Hall 1899-5-21 1164 Riverside Chalk Hill San Jacinto Mountains 1584 Comment
  PASA2619  Paeonia brownii Sally Ellis 1940-3-18 Riverside Dripping Springs Comment
  CAS-BOT-BC327939  Palafoxia arida J. Von Loh 1978-1-23 3307 A Riverside Palo Verde Mesa, 12 mi W of Blythe 121 Comment
  SBBG104169  Palafoxia arida E. R. Blakley 1993-5-20 7566 Riverside W of rdside rest area at jct of Interstate 10 and rd S to Wyles Well, ca. 15 mi W of city of Blythe Comment
  UCR116817  Palafoxia arida A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23948 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR148299  Palafoxia arida John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR90264  Palafoxia arida F. M. Reed 1917-5-19 3843 Riverside Western Colorado Desert, Region of Palm Springs Canyon, mesa south of Palm Springs village 152 Comment
  POM230179  Palafoxia linearis I. W. Clokey 1935-4-17 6935 Riverside Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  SD217187  Panicum capillare Darin L. Banks, Elizabeth Hedge Banks & John B. Hedge 1996-6-6 1122 Riverside Northwest foothills of Dorland Mountain; south end of Los Caballos Road, approximately 20 meters north of the gate to the University of California-Emerson Oaks Reserve, across from the junction with the road to the local golf course, in a vineyard 427 Comment
  UCR3744  Panicum capillare 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
  UCR95459  Panicum capillare D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1122 Riverside Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn; S end of Los Caballos Road, approximately 20 m north of the gate to the University of California-Emerson Oaks Reserve, across the junction with the road to the local golf course, in a vineyard 427 Comment
  UCR251736  Panicum hirticaule Kristin Forgrave, Joshua Paolini 2013-8-7 029 Riverside Colorado (Sonoran) Desert, Ford Dry Lake, just north of I-10 109 Comment
  RSA92446  Panicum urvilleanum F. W. Peirson 1928-3-10 7703 Riverside Just east of Whitewater Bridge, near Whitewater, at head of Coachella Valley. Comment
  UCR79251  Papaver californicum Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6736 Riverside Santa Ana Mtns., San Mateo Cyn. Wilderness area. Tenaja Cyn, along trail from wilderness boundary down stream towards Fisherman's Camp 549 Comment
  UCR280615  Papaver heterophyllum Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 03 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  RSA651305  Parietaria hespera var. hespera W. M. Zabriskie 1973-2-21 124 Riverside Pipistrelle Canyon, Deep Canyon drainage, N slope Santa Rosa Mtns. (T6S, R6E, SE 1/4 Sec 20) 427 Comment
  UC495207  Parietaria hespera var. hespera Philip A. Munz 1932-3-14 12011 Riverside Magnesia Canyon; Coachella Valley 91 Comment
  RSA0013755  Parkinsonia florida April Garbat, Sarah J. De Groot 2013-4-9 42 Riverside Along Graham Pass Rd near intersection with Chuckwalla Valley Rd 130 Comment
  SD227808  Parkinsonia florida Andrew C. Sanders 1994-6-1 14621 Riverside Colorado Desert: Box Canyon in the Mecca Hills, ca. 4.5 miles below Shaver's Well, 12 miles SW of the Box Canyon Rd. intersection with I-10 149 Comment
  SD80060  Parkinsonia florida Nancy Ryan-Zabriskie, Harold J. Ryan 1970-4-27 283 Riverside Boyd Deep Canyon Research Center near Palm Desert. 213 Comment
  UCR272649  Parkinsonia florida Cheryl Sevilla, Sarah J. De Groot, Forrest D. Freund 2015-4-1 072 Riverside Sonoran (Colorado) Desert, Coachella Valley, Santa Rosa Mountains, suth of La Quinta, north of Devil Canyon, 2.5 miles west of Lake Cahuilla 136 Comment
  RSA698048  Parosela emoryi J. Russell Bruff 1929-1-1 406 Riverside 1000 Palms Comment
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Nov 9 2011
  RSA595269  Paspalum dilatatum D. L. Banks, Victor Steinmann 1996-4-20 902 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 487 Comment
  RSA69815  Paspalum dilatatum J. C. Roos 1951-9-25 5262 Riverside West end Fairmount Park 259 Comment
  RSA588596  Paspalum distichum D. L. Banks, Steve Boyd 1995-10-17 807 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 to the E, just W of the Metasedimentary hills. 524 Comment
  RSA781407  Pectis papposa Duncan S. Bell 2011-10-22 2987 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  CAS-BOT-BC355866  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  RSA0027564  Pectis papposa var. papposa April Garbat, Kristin Forgrave 2013-8-1 98 Riverside Chuckwalla Valley. Intersection of Graham Pass Rd and Chuckwalla Valley Rd. 120 Comment
  CAS-BOT-BC169751  Pectocarya anisocarpa H. M. Hall 1902-4-22 2943 Riverside Vicinity of Riverside 396 Comment
  UCR249666  Pectocarya heterocarpa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7304 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
  RSA682073  Pectocarya linearis Scott D. White 2001-3-27 8171 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  SD247367  Pectocarya linearis A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41418 Riverside San Gorgonio River wash, ca. 3.7 miles east of Cabazon, ca. 1.125 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  UCR103253  Pectocarya linearis B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3580 .2 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  POM9594  Pectocarya linearis subsp. ferocula I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  UCR97898  Pectocarya penicillata A. C. Sanders 1997-3-1 19709 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR112111  Pectocarya peninsularis A. C. Sanders, T. B. Salvato 2000-4-21 23342 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  SEINET3084009 Image available Pectocarya recurvata Andrew C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6122 Riverside Corn Spring, Chuckwalla Mountains, wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR174086  Pectocarya recurvata A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32548 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  RSA500990  Pedicularis densiflora Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3109 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  CAS-BOT-BC69223  Pellaea andromedifolia Winfield 1975-5-4 2361 Riverside Highway 74 mile marker 52 22 914 Comment
  SBBG35234  Pellaea andromedifolia T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  POM120718  Pellaea mucronata var. mucronata Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA49194  Pellaea mucronata var. mucronata P. A. Munz 1949-4-13 13048 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UCR9268  Pennisetum clandestinum O. F. Clarke 1969-11-10 s.n. Riverside University of California, Riverside Comment
  UC1618031  Penstemon californicus Donald G. Nelson 1936-5-21 370 Riverside Slopes just N of meadow in valley, just E of Hurkey Creek Camp area, E of Lake Hemet, and N of Mount Thomas. Comment
  JEPS15120  Penstemon centranthifolius P. A. Munz and I. M. Johnston 1922-5-6 5195 Riverside Covington Ranch Morongo Pass, Covington Ranch (Southern California) 762 Comment
  POM49149  Penstemon centranthifolius Philip A. Munz 1924-5-18 8132 Riverside 18 miles from Banning on Idyllwild Road Alt. 1524 Comment
  RSA0030778  Penstemon clevelandii subsp. connatus I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  RSA0123181  Penstemon clevelandii subsp. connatus Duncan S. Bell, LeRoy Gross 2016-3-30 9169 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA412502  Penstemon clevelandii subsp. connatus Gale Sphon 1956-6-13 s.n. Riverside Palms to Pines Hwy Comment
  UC27490  Penstemon grinnellii H. M. Hall July 1901 2548 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains (Southern California) 2133 Comment
  RSA772326  Penstemon grinnellii subsp. grinnellii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4506 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD232337  Penstemon heterophyllus Scott D. White, Justin M. Wood 2009-5-21 12849 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  CAS-BOT-BC245645  Penstemon pseudospectabilis P. A. Munz; D. Keck 1922-4-9 4909 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457 Comment
  NY661160  Penstemon spectabilis var. spectabilis A. J. McClatchie 1892-4-27 s.n. Riverside Near Elsinore Comment
  CAS-BOT-BC330349  Pentachaeta aurea H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mountains 1524 Comment
  RSA696982  Pentachaeta aurea Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  UC88035  Pentachaeta aurea A. W. Anthony 1895-7-15 Riverside San Jacinto Mts. 1828 Comment
  UCD137785  Pentagramma triangularis L. S. Rose 1935-12-27 s.n. Riverside Palm Canyon. Comment
  JEPS60101  Pentagramma triangularis subsp. triangularis W. L. Jepson 1939-4-17 19136 Riverside near Twin Springs (n end Temescal Canyon); Temescal Canyon 274 Comment
  CAS-BOT-BC77527  Peritoma arborea var. arborea Ivan Johnston 1917-4-4 1057 Riverside Palm Canyon 457 Comment
  CAS-BOT-BC77571  Peritoma arborea var. globosa Steve Boyd 1994-10-14 8402 Riverside Southern Santa Ana Mountains, Santa Rosa Plateau, east of the Tenaja Guard Station of the Cleveland National Forest 670 Comment
  CAS-BOT-BC355990  Perityle emoryi J. Cole 1942-5-19 971 Riverside Ruby Lee Mill Site, Joshua Tree National Monument 914 Comment
  RSA758331  Perityle emoryi Doug Goldman 2005-3-3 3041 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  SFV4387  Perityle emoryi F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert About 7 miles up Palms to Pines Highway from Palm Desert. 335 Comment
  RSA445152  Petalonyx thurberi Martha Hilend 1928-4-15 183 Riverside Colorado Desert, sand dunes below Garnet Station Comment
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Jan 8 2013
  UCR266907  Petunia parviflora D. E. Bramlet 2005-7-13 3899 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  CLARK-A1528-2028  Peucephyllum schottii John C. Roos 1966-2-5 Riverside Indio Hills Comment
  UCR274815  Peucephyllum schottii Aaron C. Sedgwick, David Fraker 2012-4-24 011 Riverside Sonoran (Colorado) Desert, Palen Valley south of Power Line Road that paralleles Hwy I-10 159 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
  NY1058215  Phacelia ambigua N. H. Holmgren 1974-3-23 7464 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  POM182078  Phacelia ambigua P. A. Munz 1932-3-14 11974 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA525296  Phacelia ambigua Walter Wisura 1991-4-28 4487 Riverside Frontage Road off I10 near pump station in Pinkham Wash area. Comment
  UCR42377  Phacelia brachyloba N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 181 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA550021  Phacelia campanularia Walter Wisura, A. King, L. Newcomb 1992-4-10 4676 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
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Dec 25 2013
  CLARK-A1528-553  Phacelia cicutaria Annette Price 1962-4-22 O 35 Riverside Lake Mathews 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
  UCR6374  Phacelia ciliata Leland E. Francois 1966-3-6 s.n. Riverside Perris-Aguanga Basin, Lakeview, north of public dump Comment
  UC310588  Phacelia crenulata var. ambigua Philip A. Munz 1926-1-31 9958 Riverside Dos Palmos Spring Colorado Desert Comment
  UCSB31055  Phacelia crenulata var. ambigua Steele, R. 1977-3-28 Riverside Five miles south of Interstate 10 on Box Canyon Road 365 Comment
  JOTR32186  Phacelia cryptantha Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  CDA40381  Phacelia distans T. C. Fuller 1962-4-4 7999 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  JOTR36004  Phacelia distans Andre, Jim 2012-4-16 20883 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA346252  Phacelia distans Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54068 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA426207  Phacelia distans N. C. Cooper 1944-3-25 1016 Riverside Cabazon. 457 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
  UCR100313  Phacelia distans B. G. Pitzer 1997-4-20 3172 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR92184  Phacelia distans D. L. Banks, Steve Boyd 1995-5-3 0187 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UC144133 Image available Phacelia douglasii var. cryptantha Charlotte M. Wilder 1908-3-28 873 Riverside sandy flat north of pond, Fairmount Park, Riverside, Cal. Comment
  RSA773591  Phacelia imbricata Duncan S. Bell, Joy England 2010-6-14 1303 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  RSA212890  Phacelia lemmonii Babs Kobaly 1969-6-24 s.n. Riverside Upper Big Morongo Canyon, Riverside County. Comment
  JEPS4091  Phacelia minor Rimo Bacigalupi and J. F. MacBride 1952-3-30 3552 Riverside along US 395 2.6 mi n Murrieta (between Wildomar and Murrieta, sw Riverside Co.) Comment
  OBI35676  Phacelia minor Louis B. Ziegler 1967-2-15 106 Riverside San Jacinto Valley-Hills N of Lakeview 457 Comment
  POM15019  Phacelia minor Mary F. Spencer 1922-4-3 795 Riverside Colorado Desert, prope [near] Palm Springs 122 Comment
  RSA271891  Phacelia minor C. W. Tilforth 1978-4-30 1563 Riverside Low, rounded hills east of Norco. Comment
  RSA581748  Phacelia minor M. Wall, L Fuentes 1995-4-13 99 Riverside San Jacinto Mtns, along Hwy 243, 6.8 miles S of Interstate 10 out of Banning, road pull out on north and east facing slopes, 1993 burn area. Comment
  SEINET7073437  Phacelia minor A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR214  Phacelia minor R. O. Perez 1955-5-7 s.n. Riverside San Bernardino Mtns., Whitewater Canyon. Comment
  UCR84879  Phacelia minor A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16201 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  POM13911  Phacelia pedicellata P. A. Munz, D. D. Keck 1922-4-9 4758 Riverside Shavers Well, near Mecca. 76 Comment
  RSA526084  Phacelia suaveolens var. keckii Steve Boyd, T. S. Ross 1990-5-11 4657 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
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Jul 21 2018
  SEINET954243  Phalaris aquatica Mitch Provance, Brett Provance 2005-1 5700 Riverside San Bernardino Valley; Riverside (Arlington Heights area), SE corner of Cleveland Ave. and Irvine St. (inc. about 50 yards E on Cleveland). 277 Comment
  UCR265849  Phalaris minor Mitch Provance 2013-4-8 413- 05 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  SEINET245299  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley; West of edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR237873  Phlox gracilis Mark A. Elvin 2003-3-26 2365 A Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 Comment
  POM243711  Pholisma arenarium E. C. Jaeger 1938-5-15 s.n. Riverside Barkers Reservoir, Joshua Tree National Monument. 1280 Comment
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Nov 13 2016
  SEINET7048050  Pholistoma membranaceum Steven R. Hill 2001-4-29 33525 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UC665770  Pholistoma membranaceum Ira L. Wiggins 1941-3-27 9698 Riverside slopes 4 mi. n. Whitewater Comment
  JOTR29443  Phoradendron californicum La Doux, Tasha, Mike Bell 2006-3-8 1341 Riverside Joshua Tree National Park. Hayfield spring Comment
  RSA651773  Phoradendron californicum Darrell Garrett 1949-6-2 s.n. Riverside 6 miles west of Palm Springs. 114 Comment
  UC68680  Phoradendron californicum H. M. Hall May, 1905 6014 Riverside Colorado Desert, Cottonwood Springs 670 Comment
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Oct 9 2010
  UCSB39083  Phoradendron leucarpum subsp. tomentosum Jorgensen, Jan 1982-1-19 Riverside 1 kilometer up Carizzo Road from highway 74 north of Palm Desert, San Jacinto Mountains 1100 Comment
  RSA601104  Phoradendron macrophyllum A. C. Sanders, J. Goetzen 1996-5-1 18141 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  UCR158898  Phoradendron villosum A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31553 Riverside San Jacinto Mtns., Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  RSA0020259  Physalis acutifolia J. C. Roos 1951-9-25 5263 Riverside Riverside. 259 Comment
  RSA339340  Physalis crassifolia Robert F. Thorne, W. A. Tilforth 1980-5-28 54195 Riverside W-facing slope of Whitewater ridge above old bridge. San Bernardino Mtns. Comment
  SBBG6615  Physalis crassifolia H. and M. Dearing 1940-6-7 4336 Riverside Box Cyn Comment
  UCR37627  Physalis crassifolia George K. Helmkamp 1984-5-2 D 19 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR51931  Physalis crassifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2152 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  LA6070  Pinus coulteri Carl Epling; 1932-11-9 sn Riverside 3 mi. below Idyllwild Comment
  SEINET10666440  Pinus coulteri Greg Gust, Leith Nye 2005-3-11 Gust 550 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UC64552  Pinus lambertiana H. M. Hall 1902-4-16 2884 Riverside w side Tahquitz Pk.; San Jacinto Mountains 2499 Comment
  UCR55209  Pinus lambertiana J. A. Adams 1965-7-3 341 Riverside San Jacinto Mtns., Azalea Canyon above campground 1829 Comment
  CDA541  Pinus monophylla L. D. Merrill 1999-8-27 s.n. Riverside Santa Rosa Mtns., Cactus Springs trailhead. 0 Comment
  UC64441  Pinus quadrifolia H. M. Hall June, 1901 2139 Riverside Coyote Canyon Santa Rosa Mountain (western base Santa Rosa Mountain); San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  UCSB149  Pinus quadrifolia Newby, Ron 1959-5-17 Riverside 12 miles N from Pinon Flats on Highway 74 growing along roadside; San Jacinto Mountains 1371 Comment
  UCR90960  Pityrogramma triangularis var. triangularis Scott D. White 1996-3-16 3832 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA747963  Plagiobothrys arizonicus Justin M. Wood 2009-5-11 704 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  CLARK-A1528-2259  Plagiobothrys californicus John C. Roos 1952-2-29 5368 Riverside Reche Canyon 457 Comment
  UC64417  Plagiobothrys canescens H. M. Hall 1897-3-23 397 Riverside Winchester, Southern California Winchester Comment
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Mar 20 2011
  UCR102161  Plagiobothrys collinus Scott D. White 1997-2-28 4727 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR113194  Plagiobothrys collinus A. C. Sanders 1998-3-11 21676 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UC25046  Plagiobothrys collinus var. californicus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR260517  Plagiobothrys collinus var. fulvescens T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7999 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  RSA0013701  Plagiobothrys collinus var. ursinus LeRoy Gross, Grace Cho 2013-4-9 5996 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR241802  Plagiobothrys jonesii A. C. Sanders, Ann Howald 2013-2-28 40565 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCR211730  Plagiobothrys leptocladus Fred M. Roberts, D. E. Bramlet 2005-5-5 6180 Riverside Perris Basin, San Jacinto Valley, along MWD canal just north of Devonshire Road and west of Warren Road 458 Comment
  UCR220331  Plagiobothrys leptocladus D. E. Bramlet 1992-4-29 2260 Riverside Peninsular Range; Perris-Aguanga Basin Region, 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
  POM287294  Plagiobothrys nothofulvus Lyman Benson 1932-3-26 3176 Riverside Temecula Grade. Temecula Valley. 549 Comment
  RSA562107  Plagiobothrys nothofulvus Steve Boyd 1992-4-14 6799 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR16169  Plagiobothrys nothofulvus James K. Ryan 1968-5-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Rancho California, 4 miles west of Murrieta on Tenaja Road 549 Comment
  POM13006  Plagiobothrys tenellus Munz, I. M. Johnston 1922-5-19 5425 Riverside Keen Camp, San Jacinto Mts. 1494 Comment
  RSA747866  Plagiobothrys tenellus Justin M. Wood 2009-5-11 703 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR101381  Plagiobothrys tenellus A. C. Sanders 1997-4-10 20321 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR138888  Plagiobothrys tenellus D. L. Banks 1997-4-5 1695 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR48174  Plagiobothrys undulatus R. F. Thorne 1973-5-23 45525 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  SD146202  Plantago elongata A. C. Sanders, K. C. Rose 1998-5-21 21862 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 456 Comment
  CAS-BOT-BC224912  Plantago erecta A. C. Sanders; T. B. Salvato 2011-3-28 38821 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  RSA612953  Plantago erecta D. L. Banks 1997-3-29 1622 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  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
  UCR155040  Plantago erecta A. C. Sanders, Kelly Volansky 2005-3-17 29214 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR174357  Plantago erecta A. C. Sanders 2006-5-19 32381 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
  UCR106736  Plantago lanceolata John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR92094  Plantago lanceolata Scott D. White, S. Ogg 1994-10-17 2465 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA650897  Plantago lanceolata Charles Slattery 1948-5-6 s.n. Riverside Found 1 mile south of Corona along Main Street. 238 Comment
  RSA381087  Plantago major Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61174 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA221053  Plantago major E. W. Lathrop 1966-5-8 6414 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  JEPS22513  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6196 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  JEPS6882  Plantago ovata Ivan Johnston Apr 4 1917-Apr 6 1917 1006 Riverside near Palm Springs; Colorado Desert 152 Comment
  RSA796335  Plantago ovata Duncan S. Bell 2009-4-18 199 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR167296  Plantago ovata Scott D. White 2005-3-29 10827 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UC1922710  Plantago ovata Michael Honer with L. Hulse 2004-4-4 1928 Riverside Colorado Desert; Little San Bernardino Mountains region: SW base of Cottonwood Mtns., near MWD aqueduct, appx. 0.75 mi. N of I-10. E edge of Pinkham Wash. Comment
  SBBG7271  Plantago ovata var. fastigiata H. and M. Dearing 1940-1-1 4036 Riverside E side of Salton Sea at N end Comment
  UCD124380  Plantago patagonica Thorjus Rendira 1923-1 s.n. Riverside Aquauga. Comment
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Mar 15 2014
  UCR90372  Plantago patagonica D. L. Banks, Steve Boyd 1995-5-3 0293 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR174245  Platanus racemosa A. C. Sanders, T. B. Salvato 2006-6-2 33073 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. 579 Comment
  RSA660049  Platystemon californicus Glenda Long 1981-4-11 7 Riverside 5 miles along Cajalco Road after I 15 offramp. 100 to 150 yards up north facing slope from road. Comment
  RSA736312  Platystemon californicus Scott D. White, Justin M. Wood 2008-3-25 11782 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  RSA741373  Platystemon californicus Scott D. White, Justin M. Wood 2008-5-15 11983 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC50136  Platystemon californicus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UC489042  Plectritis ciliosa subsp. insignis C. V. Meyer Jun 1927 156 Riverside San Jacinto Mountains, Saunders Meadow Saunder's Meadow; San Jacinto Mountains, Saunders Meadow 1676 Comment
  JOTR28939  Pleuraphis rigida La Doux, Tasha 2005-3-30 1175 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UC818427  Pleuraphis rigida I. W. Clokey and B. C. Templeton 1930-4-9 4679 Riverside n Palm Springs; Colorado Desert, n of Palm Springs 170 Comment
  RSA700971  Pleurocoronis pluriseta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11218 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCD90292  Poa annua Alan A. Beetle 1946-6-10 4402 Riverside San Jacinto Mt., Camp Keene Meadow. Comment
  UCR138822  Poa annua D. L. Banks 1997-2-23 1297 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  UCR18504  Poa bulbosa A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  SEINET6654149  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside San Jacinto Mountains, meadows at Baldy Mtn.; 0 1585 Comment
  CAS-BOT-BC242999  Poa secunda subsp. secunda Steve Boyd; et al. 1990-4-2 4023 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, E of USFWS Dripping Springs Guard Station 609 Comment
  RSA679011  Poa secunda subsp. secunda Michael Wall 2003-5-17 316 Riverside Lamb Canyon (Hwy. 79) south of Beaumont, side canyon east side of Hwy., 5.4 miles north of Ramona Expressway. 579 Comment
  UCR189555  Polygala cornuta var. fishiae Diane Menuz 2007-8-2 334 Riverside Penninsilar Range- Santa Ana Mountains, Santa Margarita Ecological Reserve; along Temecula Canyon, c. 600 m from Santa Margarita River crossing 230 Comment
  RSA180246  Polygonum aviculare subsp. aviculare E. W. Lathrop 1965-4-25 5676 Riverside 4 miles Sw of Murrieta. Comment
  UCR92304  Polygonum lapathifolium Scott D. White, S. Ogg 1994-10-17 2481 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  RSA577524  Polypodium californicum Darin L. Banks, Steve Boyd 1995-2-16 50 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  RSA500120  Polypogon monspeliensis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3691 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR114316  Polypogon monspeliensis Mitch Provance 1998-3-21 271 A Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  UCR234429  Polypogon monspeliensis Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UC729967  Populus Carl B. Wolf 1932-5-25 3661 Riverside mouth of East Fork of Snow Creek Canyon; No. Base of San Jacinto Mts., mouth E Fork Snow Cr Cyn 670 Comment
  UCR208905  Populus X parryi E. C. Jaeger 1925-3-1 s.n. Riverside San Jacinto Mountains, Snow [Creek] Canyon 457 Comment
  RSA735355  Populus fremontii Keith E. Hoffmaster 1937-3-16 746 Riverside Near Palm Springs Station Comment
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Aug 27 2011
  UC4919  Populus fremontii subsp. fremontii Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  JEPS34992  Porophyllum gracile W. L. Jepson Oct 22 1912-Nov 7 1912 5242 Riverside Riverside Mts. 45 Comment
  JEPS35439  Porophyllum gracile W. L. Jepson 1928-4-25 12622 Riverside Eagle Mts., Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  RSA774297  Porophyllum gracile Duncan S. Bell 2011-4-7 2185 Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  RSA796473  Porophyllum gracile Duncan S. Bell 2009-4-18 207 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR110406  Portulaca oleracea A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23175 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR37485  Potamogeton crispus Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range, Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  RSA575894  Potamogeton foliosus Steve Boyd 1994-10-14 8387 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon 329 Comment
  UC814189  Potamogeton pusillus var. pusillus P. A. Munz, I. M. Johnston 1922-5-21 5523 Riverside Garner Ranch Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  RSA0123756  Prenanthella exigua Duncan S. Bell, LeRoy Gross 2016-3-10 8867 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 2.25 air miles northwest of the summit area. 859 Comment
  SEINET3365554  Proboscidea althaeifolia G. Rink 2011-9-25 11076 Riverside Northwest of the Mule Mountains, on sand 140 Comment
  RSA453229  Prunus fasciculata M. B. Dunkle 1935-3-31 4443 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  UC1552002  Prunus fasciculata Lyman Benson 1945-3-29 11631 Riverside Colorado Desert, Canyon on Palm Springs Road Colorado Desert; Little San Bernardino Mountains, Colorado Desert 670 Comment
  UCR85273  Prunus fasciculata Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, north side of Hexie Mtns, near Hidden [and Stirrup] Tanks 1067 Comment
  RSA180284  Prunus ilicifolia E. W. Lathrop 1965-4-26 5696 Riverside 4 mi. W. of Murrieta. Comment
  RSA220993  Prunus ilicifolia E. W. Lathrop 1966-4-18 6189 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Comment
  UC1979536  Prunus ilicifolia subsp. ilicifolia Darin L. Banks, Peter Morrell 1995-5-4 298 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Woodchuck Trail. Comment
  UC861215  Prunus virginiana var. demissa I. W. Clokey, E. G. Anderson 1935-8-21 6673 Riverside w of Poppet Flat (San Jacinto Mountains); San Jacinto Mountains 1200 Comment
  RSA134365  Psathyrotes ramosissima L. S. Rose 1959-1-12 59010 Riverside Cathedral City 122 Comment
  RSA5161  Psathyrotes ramosissima C. B. Wolf 1932-4-26 2972 Riverside 5 miles east of Mecca on Blythe Road, Colorado Desert 30 Comment
  UCD135009  Psathyrotes ramosissima Lewis S. Rose 1935-12-23 s.n. Riverside 7 miles south of Cathedral City. Colorado Desert. 152 Comment
  UCR34952  Psathyrotes ramosissima L. B. Ziegler 1976-9-20 554 Riverside Sonoran (Colorado) Desert, N end around Desert Hot Springs. 381 Comment
  UCR268583  Pseudognaphalium canescens Jim Andre 2012-6-15 30548 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  MACF019472  Pseudotsuga macrocarpa Trudy R. Ericson 1974-11-9 273 Riverside Approx. 9 mi. west of intersection of St. 243 and 74, going toward Hemet. San Bernardino National Forest 1036 Comment
  UCR155087  Psilocarphus brevissimus A. C. Sanders, Kelly Volansky 2005-3-17 29232 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR89227  Psilocarphus brevissimus var. brevissimus Scott D. White 1995-9-22 3677 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  RSA560834  Psilocarphus tenellus Steve Boyd 1992-5-4 7189 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCSB13077  Psorothamnus arborescens Dearing, Hugh; Dearing, Margaret 1940-6-9 Riverside 7 mi. N of Palm Springs Comment
  CAS-BOT-BC354258  Psorothamnus arborescens var. minutifolius F. Almeda 1976-6-5 2822 Riverside 4-5 mi. N of Interstate Hwy #10 off Whitewater Canyon Comment
  LA205187  Psorothamnus emoryi W. B. Welch; 1928-5-5 sn Riverside Painted Canyon Comment
  POM276882  Psorothamnus emoryi Lyman D. Benson 1933-3-31 4189 Riverside Salton Sea-Imperial Co. line. 61 Comment
  RSA644006  Psorothamnus emoryi V. W. Steinmann, M. T. Wedlake 1995-4-8 658 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  UC128408  Psorothamnus emoryi Marcus E. Jones, A. M. 1903-5-8 Riverside Indio -7 Comment
  UCR89567  Psorothamnus emoryi George K. Helmkamp 1994-3-8 41- 15 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  UCSB28384  Psorothamnus emoryi Blakley, E. 1961-9-10 Riverside 20 miles west of Blythe at desert wash crossing of U.S. Highway 60-70 106 Comment
  OBI32603  Psorothamnus schottii A. C. Sanders 1983-4-24 3800 Riverside NW end of the Orocopia Mts along hwy 195 +- 3 mi NE of Shavers Well and 2.7 mi NE of the point where the road enters the Box Cyn 366 Comment
  RSA303510  Psorothamnus schottii James R. Shevock 1971-5-8 1029 Riverside S Cottonwood Springs, Joshua Tree Natl Monument. 549 Comment
  UC863833  Psorothamnus schottii C. L. Hitchcock 1940-3-29 5849 Riverside ca 12 mi e Indio; e of Indio Comment
  RSA101226  Psorothamnus spinosus David B. Dunn 1947-7-12 2952 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA404269  Psorothamnus spinosus Christina Clark 1929-3-17 1957 Riverside Palm Canyon Comment
  SBBG3324  Psorothamnus spinosus M. Van Rensselaer 1945-11-18 1919 Riverside S of Cathedral City Comment
  UCD108382  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon. 243 Comment
  UCR99810  Psorothamnus spinosus B. G. Pitzer 1996-11-11 2933 Riverside Sonoran (Colorado) Desert, Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. south of Bob's Cabin 274 Comment
  UCR120186  Pterostegia drymarioides Mitch Provance 1998-3-7 169 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.7 km south of limestone quarry situated at the N base of the mountain on 7th St. This site, technically, in the city of Riverside 375 Comment
  RSA0125182  Pulicaria paludosa Duncan S. Bell 2016-10-27 10204 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  UCR35157  Purshia glandulosa L. B. Ziegler 1969-4-21 352 Riverside San Jacinto Mtns., Pinyon Flats 1200 Comment
  RSA0124025  Purshia tridentata Duncan S. Bell, Thomas Stoughton 2016-4-14 9300 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
  RSA0081604  Pyrola aphylla Mary F. Spencer 1923-7-8 2264 Riverside [Illegible portion of locality information on top of label.] Banning road in Idyllwild, San Jacinto Mt. 1829 Comment
  RSA0127036  Quercus agrifolia Tom Scott 2011-04 2011 -581 Riverside San Bernardino Mtns: south side of mountains along Mias Canyon Rd., c. 0.5 mile north of Bluff St., north of Banning. 863 Comment
  SD167108  Quercus agrifolia var. agrifolia A. C. Sanders 2005-8-12 31551 Riverside San Jacinto Mountains; western edge of Vandeventer Flat along Highway 74. 1433 Comment
  UCR209178  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37154 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA710402  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31561 Riverside San Jacinto Mtns.: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  RSA713388  Quercus agrifolia var. oxyadenia R. E. Riefner Jr., A. C. Sanders 2005-8-12 5 -605 Riverside Poppet Flat, tributary to Poppet Creek on Poppet Flat Rd. 1086 Comment
  RSA714353  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -595 Riverside San Jacinto Mountains, San Bernardino National Forest, 0.7 mi. W of Santa Rosa Mountain Rd. on SR 74 near Vandeventer Flat. 1369 Comment
  UCR282412  Quercus berberidifolia Mitch Provance 2009-7-1 709- 04 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  UCR26358  Quercus chrysolepis A. C. Sanders, J. A. Harpel 1981-8-26 2330 Riverside Santa Rosa Mtns., Virgin Spring 2348 Comment
  POM266353  Quercus cornelius-mulleri J. C. Roos 1942-5-1 1132 Riverside Morongo Canyon. Comment
  UCR117256  Quercus cornelius-mulleri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22288 Riverside San Jacinto Mtns., along Hwy 74, 4.4 mi. east of Hwy 371 junction to Anza, just east of Vandeventer Flat 1387 Comment
  SEINET10478246  Quercus dumosa var. turbinella David B. Dunn 1947-10-9 Dunn 3529 Riverside Around large boulder in joshua tree national monument at campground area by Hidden valley Comment
  CLARK-A1528-2921  Quercus dunnii John C. Roos 1956-9-14 3016 Riverside San Jacinto Mountains 1371 Comment
  UCR60981  Quercus engelmannii B. G. Pitzer 1988-6-8 1044 Riverside Rancho California area, avocado groves south of Avenida del Oro, just Calle Capistrano Comment
  UCR91547  Quercus ilex Donald E. Peck 1994-10-23 s.n. Riverside Citrus orchard in town of Rubidoux Comment
  POM310603  Quercus john-tuckeri Marcus E. Jones 1956-04 s.n. Riverside Joshua tree on road to Juniper Flats. 1463 Comment
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Mar 14 2014
  SD232696  Quercus palmeri A. C. Sanders 1995-11-26 17925 Riverside Elder Creek drainage, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Elder Crk. Rd. 0.3 mi. W of Bonny Lane, rural low density development, area partially cleared. 1264 Comment
  CAS-BOT-BC104995  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  UCR169493  Quercus wislizeni T. B. Salvato, John F. Green 2004-5-27 592 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
  UCR96263  Quercus wislizeni Scott D. White 1996-8-1 4445 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  UCSB34692  Quercus wislizeni var. frutescens Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 15.5 mi northwest of Idyllwild on Calif. Hwy 243; San Jacinto Mtns Comment
  CAS-BOT-BC362516  Rafinesquia californica E. W. Lathrop 1966-5-15 6316 Riverside 3 miles SE of Murrieta on the De Luz road Comment
  SD152922  Rafinesquia californica Steve Boyd 1992-4-15 6884 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness Area. Bluewater Canyon along Bluewater Trail downstram to the confluence with San Mateo Creek. 334 Comment
  RSA0118610  Rafinesquia neomexicana Jim M. Andre 2015-3-6 33568 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 560 Comment
  UCR214290  Rafinesquia neomexicana A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37483 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
  RSA95061  Rafinesquia neomexicana F. W. Peirson 1920-2-16 2762 Riverside Garden of Eden at Palm Springs Comment
  CAS-BOT-BC378984  Ranunculus aquatilis var. diffusus P. A. Munz 1922-4-28 5022 Riverside 5 mi northwest of Corona in small branch of Chino Creek 229 Comment
  UCD95938  Ranunculus californicus John Green 2005-2-24 s.n. Riverside Santa Ana Mountains Region - Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel S of the junction of El Cerezo Road and Corona Cala Camino. 671 Comment
  UC827712  Ranunculus cymbalaria var. saximontanus Crawford and Johnston 1917-6-9 1219 Riverside near Corona; Santa Ana River Comment
  UCR114754  Ranunculus hebecarpus Scott D. White, D. E. Bramlet 1999-4-22 7233 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR202608  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-7-9 12408 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA656538  Ratibida columnifera Mitch Provance 2000-7-30 2173 Riverside Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR156289  Rhamnus crocea T. B. Salvato, Kent Beaman 2005-5-16 859 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
  RSA289811  Rhamnus ilicifolia Barry A. Prigge 1980-8-12 3931 Riverside Whitewater Canyon: 1.4 miles upstream from trout farm. 793 Comment
  RSA552764  Rhamnus ilicifolia Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6750 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  RSA612815  Rhamnus ilicifolia D. L. Banks 1997-3-1 1354 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA628256  Rhamnus ilicifolia B. Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns: San Bernardino National Forest, Catus Spring Trail, where trail crosses Horsethief Creek. 1341 Comment
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Mar 1 2014
  UCR156283  Rhamnus ilicifolia T. B. Salvato, Kent Beaman 2005-5-16 857 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
  SD128327  Rhododendron occidentale R. Mitchel Beauchamp 1971-5-15 2410 Riverside Black Mountain Campground, San Jacinto Mountains. 2207 Comment
  CLARK-A1528-118  Rhus ovata I. Rauch 1968-5-14 Riverside Santa Ana Mountains Comment
  UCR270181  Rhus ovata A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42395 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA291592  Rhus trilobata var. pilosissima C. W. Tilforth, Walter Wisura 1979-4-11 1767 Riverside East end of Murrieta-DeLuz Rd, ca. 2 air mi. south of Murrieta. 335 Comment
  SD137740  Ribes amarum Darin L. Banks, Steve Boyd 1995-2-16 49 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  CAS-BOT-BC108717  Ribes cereum Mary F. Spencer 1919-7-6 1217 Riverside San Jacinto Mountains. Laquitz Meadow. 2377 Comment
  CAS-BOT-BC173141  Ribes indecorum Wesley O. Griesel 1959-3-24 s.n. Riverside Highway 79, 7 miles south of Hemet 609 Comment
  RSA798536  Ribes indecorum Robert F. Thorne, E. W. Lathrop 1977-5-18 49733 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  CAS-BOT-BC219233  Ribes nevadense Nancy Ryan Zabriskie; Walter Zabriskie 1971-5-16 406 Riverside Beside Banning Road below Pine Cove, W slope San Jacinto Mountains 1524 Comment
  UCR91277  Ribes quercetorum Scott D. White 1995-4-5 2752 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR251867  Romneya coulteri M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  SD186153  Rorippa nasturtium-aquaticum T. B. Salvato, Melissa Clemons 2005-6-23 1306 Riverside Temescal Valley; Walker Canyon, 1.5 mile due east of Alberhill, north of Highway I-15. 412 Comment
  RSA627501  Rosa californica Scott D. White 1998-7-31 6940 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA768248  Rosa californica Justin M. Wood 2010-5-19 1848 Riverside Santa Ana River: 0.4 miles downstream of Prado outlet channel. 137 Comment
  RSA725951  Rubus discolor Tom Chester 2006-12-19 979 Riverside Santa Rosa Plateau Ecological Reserve: Santa Rosa Ranch. 549 Comment
  RSA800237  Rudbeckia hirta var. pulcherrima Justin M. Wood 2010-6-17 2048 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  RSA0034264  Rumex John F. Emmel 1991-8-10 1194 Riverside San Jacinto Mts.; along north shore of Lake Hemet, near Picnic Area; NW 1/4 S8, T6S, R3E. 1319 Comment
  SEINET156318  Rumex acetosella Norman C. Cooper 1944-5-6 1208 Riverside Banning. 701 Comment
  JOTR32378  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR262248  Rumex crispus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3735 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA466097  Rumex hymenosepalus N. C. Cooper 1945-3-24 1613 Riverside Cabazon. 457 Comment
  RSA44862  Ruta chalepensis J. C. Roos 1948-2-21 3771 Riverside Near spring with Baccharis wiminea and Emoryi, pass between Pigeon Pass and Reche Canyon. 457 Comment
  RSA605749  Sagina apetala A. C. Sanders 1996-3-17 17985 Riverside Coachella Valley: Palm Springs, mouth of Palm Canyon, ca. 0.5km E of Palm Canyon Dr. on Bogert trail. 163 Comment
  POM306692  Salazaria mexicana Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1690 Riverside Near Desert Center. Comment
  RSA401567B  Salazaria mexicana N. C. Cooper 1944-7-15 1541 Riverside Banning. 701 Comment
  UCR35341  Salazaria mexicana L. B. Ziegler 1967-6-8 152 Riverside San Jacinto Mtns., Pinyon Flats 1223 Comment
  SEINET5568897  Salicaceae Swingle 1915-1 s.n. Riverside Indio. Comment
  CAS-BOT-BC103904  Salix exigua Frank W. Peirson 1933-4-15 10650 Riverside Whitewater River, 4 1/2 miles above the bridge 701 Comment
  RSA6465  Salix exigua H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UCR94250  Salix exigua Scott D. White 1996-4-14 3927 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
  POM184903  Salix hindsiana H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  RSA596146  Salix laevigata D. L. Banks 1996-11-7 1194 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 473 Comment
  RSA613315  Salix laevigata D. L. Banks 1997-3-1 1380 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UC914202  Salix laevigata Charles B. Fiker 1946-4 3354 Riverside road dip s. of Temecula bridge (on Hwy. 395, at upper end of sand pit next to fence) Comment
  POM319278  Salix lasiolepis Patricia Wilder 1972-2-18 5355 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  RSA0095103  Saltugilia australis N. C. Cooper 1944-5-20 1282 Riverside Palms to Pines Highway, San Jacinto Mountains. 915 Comment
  SEINET3860546  Saltugilia australis Leigh A. Johnson, Deborah A. Johnson 1997-5-12 97 -082 Riverside San Bernardino Natl. Forest, Cahuilla Mtn. vicinity. Along road to Cahuilla Mtn. trail, plants collected 0.3 to 1.7 miles from Tripp Flats Forest Service station. Plants farther up road in mid flower, a few in seed; mostly past flowering near start of road with capsules just ripening.; 0 1220 Comment
  UC748763 Image available Saltugilia australis Herbert L. Mason 1926-5-2 3195 Riverside Temecula Valley; ; Temecula Valey, Riverside Co. Comment
  JOTR33924  Saltugilia latimeri La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2815 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  SEINET3859080  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92- 021 -GH Riverside Pinyon Flats. Pinyon Drive, off of Hwy 74 past the Pinyon Flats Campground, after road turns left, 1/2 way between Palm Canyon Drive and Jeraboa Road. About 100-200 yards off the road on the N side around a rocky outcrop. Area under development and site may one day have a house on it.; 0 1261 Comment
  RSA469673  Saltugilia splendens M. B. Dunkle 1937-3-25 4961 Riverside Dry Morongo. Comment
  RSA469679  Saltugilia splendens N. C. Cooper 1944-6-17 1385 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  SD114226  Saltugilia splendens Darley F. Howe 1941-6-9 1105 Riverside Strawberry Creek, San Jacinto Mts. Comment
  NY43198  Salvia apiana J. B. Walker 1995-5-3 1406 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  SEINET4951402  Salvia apiana Unknown 1995-5-3 1406 Riverside S of Palm Desert along Hwy 74, 3km E of Pinyon Flats Campground Comment
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Jan 30 2019
  UCR139646  Salvia apiana A. C. Sanders 2004-6-30 28387 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  SEINET10499051  Salvia apiana David B. Dunn 1948-6-18 Dunn 3822 Riverside Campsite in cold water canyon on alluvial fan. Comment
  UC2030038  Salvia clevelandii James Henrickson 1979-4-7 17816 Riverside ca. 18 miles NW of Borrego Springs, SE of Terwilliger, in upper Coyote Canyon, north of Fig Tree Canyon. Comment
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Apr 13 2017
  POM13462  Salvia columbariae P. A. Munz 1922-5-19 5367 Riverside 5 miles NE of Murietta. 457 Comment
  UCLA70169  Salvia columbariae Harlan Lewis 1937-3-7 Riverside White Water Comment
  UCR234286  Salvia columbariae A. C. Sanders, John F. Green 2012-4-6 40003 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
  RSA0051567  Salvia columbariae Norman Lederer 1950-4-30 s.n. Riverside Palms to Pines Highway. Comment
  SEINET13947317 Image available Salvia columbariae C. L. Hitchcock, C. V. Muhlick 1964-1 23244 Riverside Side Canyon near S entrance to Joshua Tree National Monument Comment
  LA69691  Salvia eremostachya Elizabeth McClintock; 1941-5-30 sn Riverside Coyote Canyon, near Tule Creek Comment
  UCLA31073  Salvia greatae H. and M. Lewis 1955-3-15 Riverside on road to Clemens Well (about 3 mi e of aqueduct, near railroad crossing) Comment
  UCLA70163  Salvia greatae Hall and Greata 1905-4-22 5848 Riverside Canyon Springs Wash; Dos Palmas; Canon Springs Wash, Riverside Co. Comment
  UC104491  Salvia pachyphylla C. R. Orcutt 1896-7-30 2107 Riverside Summit of Tauquitz Peak; San Jacinto Mts. Comment
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Sep 7 2011
  UC25678  Salvia pachyphylla Mr. Hoak 1892-1 Riverside Mt. San Jacinto Comment
  UCLA69741  Salvia vaseyi C. Epling and L. Haines 1937-5-7 Riverside 0.6 mi below Shumway Road (Palms-to-Pines Highway) Comment
  UCSB21139  Salvia vaseyi Keefe, Joseph 1967-3-23 Riverside Whitewater Canyon Road; 1.9 miles north of U.S. Highway 99; east of Banning 609 Comment
  UC2031940  Salvinia minima R. E. Riefner Jr. 2009-2-25 09 -17 Riverside City of Lake Elsinore, S side of Temescal Wash, W of Highway 74, vicinity of Bromley Ave. at Bennett St. Comment
  POM19626  Sambucus mexicana Mary F. Spencer 1923-7-9 s.n. Riverside Fern Valley, San Jacinto Mountains. 1006 Comment
  RSA660228  Sambucus mexicana Sandy Gray 1981-5-15 17 Riverside Hwy 60 N. Beaumont Bogart State park. 792 Comment
  UCR193902  Sambucus mexicana A. C. Sanders, Mitch Provance 2008-7-11 35781 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  HSC85419  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Temescal Canyon, between Indian Truck Trail and Horsethief Wash 366 Comment
  UCR103743  Sanicula tuberosa D. E. Bramlet 1990-3-31 1941 Riverside Perris Valley, Lakeview Mountains, c. 2.75 km NW of Juniper Flat Rd & 1.5 km NW of Tyron Ave. 701 Comment
  UCR1613  Sarcostemma cynanchoides R. G. Barber 1962-5-8 78 Riverside Sycamore Canyon 306 Comment
  RSA613422  Sarcostemma hartwegii D. L. Banks 1997-4-5 1670 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  CDA15706  Sarcostemma hirtellum G. F. Hrusa, J. A. Hart 1993-4-4 10592 Riverside Cholla Garden, Joshua Tree NM. Comment
  CAS-BOT-BC243462  Schismus barbatus L. R. Abrams 1941-4-23 13925 Riverside White Water wash, Palm Springs railroad station Comment
  CLARK-A1528-92  Schismus barbatus Fred B. Essig 1964-2-13 13 Riverside La Sierra 609 Comment
  JOTR34316  Schismus barbatus Andre, Jim 2012-4-11 20814 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA614179  Schismus barbatus D. L. Banks 1997-2-17 1280 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, along Pechanga Road in the Reservation, approximately 10 m west of the Pechanga Tribal Government Center. 367 Comment
  RSA676102  Schismus barbatus Scott D. White 2001-4-3 8265 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  UC1146064  Schismus barbatus C. L. Hitchcock, C. V. Muhlick 1964-3-17 29093 Riverside 3 mi se of Glen Ivy Hot Springs Comment
  UCR112018  Schismus barbatus A. C. Sanders, G. Helmkamp 1997-3-15 19922 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  UCR60235  Schismus barbatus R. F. Thorne, M. Z. Thorne 1973-3-30 42683 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
  SEINET10658860  Schismus barbatus Charles L. Hitchcock, C. V. Muhlick 1964-3-17 Hitchcock 23093 Riverside 3 miles SE of Glen Ivy Hot Springs Comment
  UC841174  Schoenoplectus acutus var. occidentalis Crawford and Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona Comment
  UCR140700  Schoenoplectus acutus var. occidentalis A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SEINET9766770 Image available Schoenoplectus americanus Richard Carter 2005-6-25 Riverside Temecula, vic. Via Montezuma crossing of Murrieta Creek, along east bank Murrieta Creek Comment
  POM1415  Scirpus microcarpus I. M. Johnston 1918-5-30 2015 Riverside Lee Lake, Temescal Canyon. 335 Comment
  RSA627457  Scirpus microcarpus Scott D. White 1998-7-31 6956 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  RSA783651  Scrophularia californica J. D. Olmsted 1958-6-10 157 Riverside 6 miles SW of Corona on Oak Flat fire road (turn S from US on Lincoln). Lower Santa Ana Reservoir. 732 Comment
  UCR199569  Scrophularia californica Scott D. White, Angelia Carey 2004-7-2 10556 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SD135263  Scutellaria siphocampyloides Craig Reiser, Dylan Hannon 1993-5-31 Riverside N side of Santa Rosa Peak Comment
  UC884052  Scutellaria siphocampyloides P. A. Munz 1922-6-23 5764 Riverside Keen Camp; San Jacinto Mountains, Keen Camp 1524 Comment
  RSA543845  Scutellaria tuberosa Steve Boyd, Orlando Mistretta 1991-5-22 6300 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA643417  Secale cereale N. M. Fellows 1982-5-29 s.n. Riverside Volunteer plants growing adjacent to Highway 79, 5 miles from Temecula Comment
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Mar 14 2013
  RSA228814  Selaginella bigelovii Colin M. Wainwright, Larry DeBuhr 1972-2-10 609 Riverside Cleveland Nat. Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  UC306709  Selaginella bigelovii S. B. Parish 1918-4-3 11695 Riverside mouth of San Jacinto Canyon (Oak Lodge) 914 Comment
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Nov 20 2011
  UCR202013  Selaginella bigelovii Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  UC279628  Selaginella watsonii E. C. Jaeger 1921-7-2 563 Riverside San Jacinto Peak 3293 Comment
  CAS-BOT-BC363488  Senecio californicus Raymond Lindholm 1961-3-1 s.n. Riverside Near San Bernardino. Reche Canyon Comment
  SEINET2054637 Image available Senecio californicus Dave Hawks 1986-4-16 Riverside Alta Mesa wind turbine field, on the ridge abvove Whitewater Canyon, W of Bonnie Berll. (Whitewater UTM 10 km cell: NH-N5, E3) Comment
  POM299279  Senecio douglasii var. monoensis A. M. Alexander, Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains 884 Comment
  POM320363  Senecio flaccidus var. douglasii Patricia Wilder 1971-11-17 5347 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  RSA305658  Senecio flaccidus var. douglasii C. W. Tilforth, Walter Wisura 1979-10-11 1921 Riverside Thomas Mtn. Rd., 10.4 mi. from north jct. with Hiway 74, south of Lake Hemet, Garner Valley. Comment
  UC575074  Senecio flaccidus var. douglasii C. Epling, Wm. Robison 1933-6-24 Riverside near Banning; Little San Bernardino Mts., San Gorgonio Wash Comment
  RSA0125004  Senecio flaccidus var. douglasii N. Cooper 1944-5-20 2624 Riverside Palms to Pines Hwy., San Jacinto Mtns. 457 Comment
  JEPS4751  Senecio flaccidus var. monoensis Roxana S. Ferris and R. Bacigalupi 1953-4-20 12634 Riverside 4.0 mi n Shaver Summit (road to Lost Palms Canyon) Comment
  RSA791478  Senecio flaccidus var. monoensis J. Andre 2012-4-16 20930 Riverside Joshua Tree National Park;; along Cottonwood Spr. Rd, 2.4 mi. north of Cottonwood Visitor's Ctr..mixed sonoran-mohaven scrub. 956 Comment
  UCR18629  Senecio mohavensis John C. Roos, Lucille Roos 1949-4-10 4223 Riverside Sonoran (Colorado) Desert, Chuckwalla Mts, canyon 3.5 mi. SE of Desert Center 612 Comment
  RSA94664  Senecio mohavensis F. W. Peirson 1921-3-22 2378 Riverside Murray Canyon near Palm Springs. 457 Comment
  SEINET2055018 Image available Senecio vulgaris Unknown 1965-4-22 Riverside 2800 Mary Street, Victoria Village Shopping Center, Riverside 262 Comment
  JEPS64750  Senna armata H. M. Hall Apr. 1905 5843 Riverside Canyon Spring Colorado Desert, Canyon Spring Comment
  POM173503  Senna covesii E. C. Jaeger 1929-12-24 s.n. Riverside Red Cloud Mine 549 Comment
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Jan 16 2007
  UCR122570  Sesbania herbacea George K. Helmkamp, E. A. Helmkamp 2000-8-29 5984 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  UCD97016  Sesuvium verrucosum Jack Hall 1953-4-30 45 Riverside Desert Beach Resort, edge of Salton Sea. Comment
  UCR275529  Sesuvium verrucosum A. C. Sanders, Karen Kirtland 2016-9-23 42631 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  SD126131  Setaria adhaerens A. C. Sanders 1988-11-6 8740 Riverside Coachella Valley, west side of Highway 86, 6.25 miles south of its junction with Highway 111 in Coachella and 3.85 miles north of Valerie Jean, 0.55 mile north of Ave. 60. -10 Comment
  UCR39399  Setaria adhaerens A. C. Sanders 1985-8-24 5948 Riverside Sonoran (Colorado) Desert, lower Coachella Valley near Oasis on the dirt extension of Avenue 76, 0.4 mi east of Hwy 195, along the south side of a large drain flowing toward the Salton Sea -55 Comment
  UCR126992  Setaria viridis A. C. Sanders, Guy Bruyea