Search Results — 2000 specimen records retrieved (1896 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
  RSA0009280  Abronia pogonantha Duncan S. Bell 2012-9-13 4178 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  CLARK-A1528-3257  Abronia villosa John C. Roos 1949-3-26 4124 Riverside Indio Comment
  UCR165275  Abronia villosa John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  UC1234717  Abronia villosa var. aurita Philip A. Munz 1957-6-6 22731 Riverside 2 mi n Alberhill; Temescal Canyon Comment
  OBI13405  Acacia greggii Tracey & Viola Call, Viola Call 1962-4-6 2114 Riverside 3 mi NW of Desert Hot Springs 274 Comment
  UCR177854  Acamptopappus sphaerocephalus Marisa Sripracha, K. A. Boyd 2004-3-21 048 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  CAS-BOT-BC30909  Acamptopappus sphaerocephalus E. C. Jaeger s.n. Riverside Whitewater Comment
  JEPS12539  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall and W. L. Jepson May 17 1901-Jun 1 1901 1833 Riverside label heading: Journey of Jepson & Hall from Riverside to Palm Canyon (and return to Van Deventers); Van Deventers Flat Comment
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Jul 5 2010
  POM308641  Acamptopappus sphaerocephalus var. sphaerocephalus Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3208 Riverside Near Blythe. Comment
  UC1329822  Acamptopappus sphaerocephalus var. sphaerocephalus James E. Cole 1941-5-21 761 Riverside (Cottonwood Road) Dale; Joshua Tree National Monument 914 Comment
  UCR133022  Achillea millefolium 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
  UCD50442  Achnatherum hymenoides F. M. Reed 1907-4-1 2916 Riverside Palm Springs. Comment
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May 1 2011
  JOTR30890  Achnatherum parishii La Doux, Tasha, E. Babich, N. Pietrasiak 2008-4-21 2095 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of East Deception Canyon 1446 Comment
  SEINET260232 Image available Achnatherum parishii subsp. parishii M. Curto, LS Allen 1990-6-18 663 Riverside Santa Rosa Mt NW slope Santa Rosa Mt Rd (SBNF 7S02) ca 5 km W of Santa Rosa Springs Campground 1830 Comment
  RSA574727  Achyrachaena mollis Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  CAS-BOT-BC384737  Achyronychia cooperi Milo S. Baker 1928-4-3 3283 a Riverside Palm Canon [Canyon] Comment
  JOTR31233  Achyronychia cooperi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2017 Riverside Joshua Tree National Park. Pinto Basin; (Stop 6) sandy wash leading to Pinto Wash 354 Comment
  SDSU13378  Acmispon glaber var. brevialatus C. Matt Guilliams, Taxonomy of Cal. Native Plants- Bio 531 2000-4-29 Riverside Comment
  SD137780  Acmispon micranthus Darin L. Banks, Steve Boyd 1995-4-5 136 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain east of the Dripping Springs Alcove along the Dripping Springs Trail, open hillside 609 Comment
  SD232684  Acmispon nevadensis var. davidsonii Scott D. White 1996-8-1 4418 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area. Comment
  SBBG68085  Acmispon strigosus M. N. Ackley -Feb-1926 543 Riverside near Edom 64 Comment
  SEINET6654145  Acourtia microcephala Scott D. White, Justin M. Wood 2008-6-18 12202 Riverside Hiking tail from K flat to Apple Canyon Rd.; 0 Comment
  RSA0034641  Adenophyllum porophylloides Scott D. White 2001-4-3 8263 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SJSU5451  Adenophyllum porophylloides R. C. McGehee 1970-5-1 258 Riverside 1 mile W of Chuckwalla Spring on Chuckwakka Road, Chuckwalla Mts Comment
  CAS-BOT-BC139870  Adenostoma sparsifolium Navin 1890-1-1 s.n. Riverside San Jacinto Mts. Comment
  CLARK-A1528-3059  Adenostoma sparsifolium Mike Cline 1966-11-23 Riverside San Jacinto Mountains Comment
  JEPS44780  Adenostoma sparsifolium Carl V. Meyer 1928-8-2 629 Riverside Chalk Hill Comment
  POM13712  Adenostoma sparsifolium Philip A. Munz 1922-4-29 5122 Riverside Lancaster Valley, s. of Hemet 457 Comment
Read comments
May 20 2011
  UCR151408  Adiantum jordanii D. L. Banks 1997-3-1 1355 Riverside NW Palomar Mtns, Agua Tibia Mtns, 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 427 Comment
  RSA720504  Agrostis idahoensis Naomi Fraga, et al. 2006-7-11 1714 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UC36992  Agrostis viridis H. M. Hall June, 1901 2275 Riverside along watercourses San Jacinto Mountains, vicinity of Strawberry Valley 1615 Comment
  UCR164300  Agrostis viridis S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  RSA552767  Alchemilla occidentalis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6762 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 671 Comment
  RSA469421  Aliciella latifolia Anstruther Davidson 1903-5-3 1109 Riverside Thermal. Comment
  POM14992  Allenrolfea occidentalis Mary F. Spencer 1920-3-15 s.n. Riverside Mecca, Colorado Desert. -48 Comment
  RSA411802  Allenrolfea occidentalis H. de Forest 1924-4-14 s.n. Riverside Indio- Mecca flats Comment
  CAS-BOT-BC434485  Allionia incarnata Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9579 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  SEINET10389829  Allionia incarnata A. C. Sanders, Jim Malusa 2015-9-10 41846 Riverside Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCR21298  Allium burlewii A. C. Sanders, K. Berg 1980-5-1 1347 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  POM14403  Allium cratericola Philip A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  CLARK-A1528-2791  Allium fimbriatum John C. Roos 1941-5-10 129 Riverside Santa Rosa Mountains Comment
  JEPS61483  Allium fimbriatum var. fimbriatum W. L. Jepson and H. M. Hall 1901-5-27 1461 Riverside Van Deventer's Ranch San Jacinto Mts., Van Deventer's Ranch Comment
  JOTR32473  Allium fimbriatum var. fimbriatum Herskovits, Tasya, M. Harding 2011-5-20 9 Riverside Joshua Tree National Park. Little San Bernardino Mountains; near Ryan Mountain trailhead 1341 Comment
  UCR215368  Allium marvinii Fred M. Roberts 2006-5-11 6333 Riverside Peninsular Range; Santa Ana Mtns., vicinity of Elsinore Peak, along Main Divide Truck Trail, 0.7 km west of summit of Elsinore Peak 1006 Comment
Read comments
Dec 12 2013
  UCR201613  Allium peninsulare Scott D. White, Justin M. Wood 2008-6-19 12255 Riverside San Jacinto Mountains, USFS Road (5S08) between Keen Camp Summit and Baldy Mountain 1616 Comment
  CLARK-A1528-1513  Allium praecox John C. Roos 1952-4-2 5468 Riverside Box Springs 426 Comment
  RSA734227  Allium praecox Keith E. Hoffmaster 1934-4-8 144 Riverside Santa Ana Mts. Comment
  UCR113966  Allium praecox Mitch Provance 1999-3-5 1059 Riverside Jurupa Mountains, Extreme W end of the Jurupa Range, c. 0.6 miles west of pk. 1437. 335 Comment
  UCSB38380  Allium praecox Minnich, John 1964-2-29 Riverside Sycamore Canyon, 1/4 mi. off Canyon Crest Drive about 1 mi. south of Pennsylvania Ave.; found about 1/2 mi. above mouth of canyon 365 Comment
  SDSU13507  Allophyllum gilioides subsp. violaceum W. Miller Riverside Dry wash in burned chaparral along major aquaduct clearing just south of the river. Comment
  LA204074  Alnus rhombifolia Carl Epling; April 1937 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UC1199819  Alnus rhombifolia Herbert L. Mason 1928-3-10 4174 Riverside Snow Creek-White Water River Valley Colorado Desert Comment
  CLARK-A1528-7784  Amaranthus albus John C. Roos 1965-7-27 Riverside Hemet Comment
  RSA653652  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23109 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCR17540  Amaranthus californicus O. F. Clarke 1978-9-23 s.n. Riverside San Jacinto Mtns, Valley Hi County Park 1183 Comment
  UCD97222  Amaranthus fimbriatus Geoffrey Levin 1976-11-26 1191 Riverside Box Canyon, about 11 miles E of Mecca. 91 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
  UCR174337  Amaranthus powellii A. C. Sanders 1999-9-26 23104 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley 1448 Comment
  UCR92766  Ambrosia acanthicarpa F. M. Reed 1933-9-20 8087 Riverside San Jacinto Mtns, Garner Valley 1470 Comment
  CAS-BOT-BC45009  Ambrosia confertiflora Katherine Esau 1935-6-20 s.n. Riverside Near Beaumont Comment
  JOTR28961  Ambrosia dumosa La Doux, Tasha 2005-3-30 1197 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM4810  Ambrosia dumosa Marjorie Shaw 1916-03 s.n. Riverside Palm springs Comment
  RSA0025663  Ambrosia dumosa Deidre Conocchioli, Caitlin Elam 2013-10-1 73 Riverside East of Little Chuckwalla Mtns. From Blythe, CA. Take I-10 W for 17.8 miles, take the Wiley's Well Rd exit. Turn left (S) on Wiley's Well Rd. Travel for 1.3 miles on paved road, then continue onto the unpaved portion of the road for 4.5 miles., Collection site on right (W) side of road. 177 Comment
  RSA516900  Ambrosia dumosa Orlando Mistretta 1986-3-13 1420 Riverside Northeast of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (Rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA608660  Ambrosia dumosa R. S. Woglum 1937-04 298 Riverside Mojave Desert: Palm Springs. Comment
  RSA792580  Ambrosia dumosa Aaron C. Sedgwick, Joella Simons Adkins 2012-11-8 161 Riverside Chuckwalla Valley - On DuPont Rd. The population is generally limited to within 30 ft. of the road. The population is scattered, but continues for several miles from the intersection with Chuckwalla Valley Rd. 168 Comment
  SEINET8071625 Image available Ambrosia dumosa Deidre Conocchioli, Caitlin Elam 2013-10-1 73 Riverside Colorado Desert: Chocolate-Chuckwalla Mts.: E of Little Chuckwalla Mts. From Blythe take I-10 W for 17.8 mi, take the Wiley's Well Rd. exit. Turn left (S) on Wiley's Well Rd travel 1.3 mi on paved and then 4.5 mi on unpaved road. 177 Comment
  UCR238482  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 168 Riverside Sonoran (Colorado) Desert, McCoy Wash, north of Hwy I-10, road north from Black Rock Road, south side of private land boundary 244 Comment
  RSA775105  Ambrosia ilicifolia Duncan S. Bell, Michael Hee 2011-3-18 2048 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UCR261172  Ambrosia pumila A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41724 Riverside Elsinore Trough, north of Elsinore along a dirt road west of Baker St., behind house on hill at 17401 Baker St. 388 Comment
  JOTR34297  Ambrosia salsola Andre, Jim 2012-4-11 20707 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
  OBI26016  Ambrosia salsola David J. Keil 1977-1-2 11932 Riverside Chiriaco Summit along I-10 between Indio and Blythe Comment
  SEINET10908528  Ambrosia salsola A. K. Evans 1976-4-13 Evans 5205 Riverside Desert canyons of Santa Rosa Mountains. Comment
  SD80050  Ambrosia salsola var. salsola Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-27 271 Riverside Below Andreas Canyon Clubhouse, Andreas Canyon 305 Comment
  SFV17219  Ambrosia salsola var. salsola J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UCR35318  Ammannia coccinea Helen Lacey 1978-8-21 596 Riverside San Jacinto Valley, Old Mountain Nursery, east of San Jacinto Comment
  UCD170781  Amorpha californica Tracy Tennant; Jeffrey Ross 1998-6-23 MOR-- 517 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat. 1113 Comment
  RSA192149  Amorpha fruticosa E. W. Lathrop 1966-5-8 6269 Riverside 5 miles west of Murrieta. Comment
  RSA0065487  Amsinckia Eleanor McClung 1937-3-23 26 Riverside Palm Springs. Comment
  CSUSB988  Amsinckia intermedia Robert M. Hasegawa 1976-4-5 S. N. Riverside University of California, Riverside campus. 1/8 mile south of Perimeter Road. 274 Comment
  SBBG95668  Amsinckia intermedia S. Boyd 1986-3-1 1366 Riverside Gavilan Plateau, Gavilan Hills: 0.25 mi S of Harford Springs County Park 640 Comment
  SD240913  Amsinckia intermedia Dave Silverman, Jeanette Duffels 2010-3-23 7821 Riverside Dunes at SSE tip of Palen Dsry Lake, on km SW of Palen Dunes Drive, 4.2 km N of I-10, 7.4 km ESE of Sidewinder Well. 130 Comment
  UCR260834  Amsinckia intermedia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41521 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  UCR274306  Amsinckia intermedia T. B. Salvato, Melissa Clemons 2005-6-6 1427 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  POM4018  Amsinckia menziesii var. menziesii C. F. Baker 1903-4-4 s.n. Riverside Elsinore Comment
  RSA0089922  Amsinckia menziesii var. menziesii H. de Forest, George C. Johnstone 1925-4-17 s.n. Riverside Cabazon. Comment
  CHSC100  Amsonia tomentosa M. Anthony 1954-4-14 Riverside Near Joshua Tree National Monument. 762 Comment
  LA202849  Amsonia tomentosa C. L. Hitchcock; 1940-3-31 5882 Riverside 0.5 mi. below Cottonwood Springs Comment
  RSA191392  Anagallis arvensis Robert F. Thorne 1967-10-27 6674 Riverside 5 mi. NW of Murrieta, Santa Rosa Ranch. Comment
  SD68968  Anagallis minima Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37576 Riverside Santa Rosa Plateau: marsh on Mesa de Colorado, Rancho California 671 Comment
  SD137914  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 329 Riverside Northwest Palomar Mountains, north of Agua Tibia Wilderness Area; north slope of Agu Tibia Mountain, the Dorland Mountain area. 730 Comment
  UCSB6331  Anisocoma acaulis Graney, Don 1953-3-22 Riverside Morongo Canyon Comment
  UC489207  Antennaria rosea C. V. Meyer 1928-7-27 556 Riverside Tamarack Valley San Jacinto Mt., Tamarack Valley 2834 Comment
  CSUSB1479  Anthemis cotula Rita Gibbons 1975-6-5 S. N. Riverside Reche Canyon Rd., 4 miles from Barton Rd. Comment
  SD144071  Anthemis cotula Scott D. White 1997-5-25 5242 B Riverside Perris Basin, Winchester area: roadside of Simpson Ave. less than 1 mile W of intersection with Winchester Rd. 445 Comment
  UCR150025  Anthriscus caucalis Scott D. White, Angelia Carey 2004-4-16 10189 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  JOTR32292  Antirrhinum coulterianum Harding, Mitzi, T. Herskovits 2011-5-12 14 Riverside Joshua Tree National Park. Little San Bernardino mountains; Southwest of Eureka Peak; Steep, gravelly slope above canyon 1398 Comment
  RSA160539  Antirrhinum coulterianum J. D. Olmsted 1959-5-14 630 Riverside Jurupa Hills in burned over area near the abandoned marbla quarry at west end of the range Comment
  UC26361  Antirrhinum coulterianum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UC64222  Antirrhinum coulterianum H. M. Hall 1900-1 579 Riverside vicinity Riverside (Gavilan Mts); Gavilan Mts., Riverside 457 Comment
  UCR121244  Antirrhinum coulterianum Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2296 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  VVC474  Antirrhinum coulterianum A. C. Sanders, J. Mac 1997-5-4 20681 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  RSA425620  Antirrhinum filipes Anstruther Davidson 1927-04 s.n. Riverside Box Canyon Comment
Read comments
Nov 12 2011
  RSA644223  Antirrhinum filipes Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1367 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  SDSU13330  Antirrhinum kelloggii Tom Duffy, Tarja Sagar 2000-4-29 Riverside Two hundred meters NE of Stanta Margrita Ecological Reserve North End. 320 Comment
  UCR214011  Antirrhinum nuttallianum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37797 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA444466  Antirrhinum nuttallianum subsp. nuttallianum L. Roos 1966-4-29 s.n. Riverside Hills between March Air Force Base and Lakeview; rocky crevices Comment
  SDSU13336  Antirrhinum nuttallianum subsp. nuttallianum Tom Duffy, Tarja Sagar 2000-4-29 3 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North field Station. 320 Comment
  UC1979643  Antirrhinum nuttallianum subsp. nuttallianum Steve Boyd 1995-4-24 8488 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. Comment
  UCR278861  Aptenia cordifolia Mitch Provance 2011-6-15 17103 Riverside Santa Ana River Valley, Riverside, north side of Market St., 100-200 ft. east of the rip rap along the Santa Ana River34 245 Comment
  RSA66701  Arabis perennans F. W. Peirson 1919-4-13 660 Riverside Along the Tahquitz creek, East of Palm Springs, Riverside. Comment
  POM184733  Arabis pulchra var. gracilis C. L. Hitchcock 1932-4-9 12229 Riverside Joshua Tree National Monument; White Tanks, eastern Riverside. Comment
  RSA619573  Arabis sparsiflora var. californica D. L. Banks 1997-5-5 1979 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SEINET6630818  Arceuthobium campylopodum I. W. Clokey, E. G. Anderson 1935-8-21 6574 Riverside Idlewilde- Banning 1650 Comment
  UCR278159  Arctostaphylos A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42669 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  UCR273479  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42604 Riverside Peninsular Range; Santa Ana Mountains, South Main Divide Road, near Elsinore Peak, 0.35 km by road south of road junction to Elsinore Peak towers 998 Comment
  RSA629346  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-11-11 22547 Riverside Hwy 74, 25 km east of Hwy 79 Junction in Hemit. 1220 Comment
  RSA631759  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15065 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631773  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16546 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  RSA631804  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16513 Riverside Red Mountain Road, 1 km east of R3. 820 Comment
  RSA631805  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21812 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  UCR121346  Arctostaphylos glauca A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25025 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR140686  Arctostaphylos glauca Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 62 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  RSA633552  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21797 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633698  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16667 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633709  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16663 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633758  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16694 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA635595  Arctostaphylos peninsularis Jon E. Keeley 1992-7-17 16741 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  RSA635594  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16764 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  UCSB11790  Arctostaphylos pringlei subsp. drupacea Creighton, B. 1961-5-6 Riverside 18.8 miles south of Banning on Banning-Idyllwild Road, in the San Bernardino National Forest, San Jacinto Mountains 1584 Comment
  RSA635768  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16730 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  UCD53745  Arctostaphylos pungens Richard Bates 1949-5-21 s.n. Riverside Along rail to Tahquitz Peak; San Jacinto Mtns. Comment
  SEINET11987225  Arctostaphylos pungens W. Knight, Knight, I. 1981-1 3947 Riverside Tilden Botanic Garden, Berkeley, orig. from Taquitz Valley at base of Mt. San Jacinto Comment
  RSA192300  Arctostaphylos rainbowensis H. A. Zuill 1966-6-5 203 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
Read comments
Oct 23 2013
  SD185195  Arctostaphylos rainbowensis S. J. Myers 1993-1-22 Riverside Santa Rosa Plateau, southwest of Mesa de Colorado, Carancho Road at Tortuga Rd. 366 Comment
  CLARK-A1045-72  Arenaria douglasii George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains dry slope between meadow and sagebrush, just northwest of Kensworthy Forest Station; Idyllwild 15'Q Comment
  RSA539998  Argemone corymbosa subsp. corymbosa Robert L. Dressler 1949-3-19 433 Riverside 5 mi. NE of Desert Center Comment
  RSA4959  Argemone munita subsp. argentea Carl B. Wolf 1932-4-27 3038 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
Read comments
Dec 11 2011
  POM285872  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 b Riverside 13.2 mi. of Idyllwild, Hemet Valley. 1372 Comment
  RSA105974  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 -a Riverside 9.7 mi., s.e. of Idyllwild, Hemet Valley road; 1372 Comment
  RSA105975  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 -a Riverside 9.7 mi., s.e. of Idyllwild, Hemet Valley road; 1372 Comment
  UCD56395  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside south end of Coxcomb Mountains, 8 miles northeast of Desert Center. Comment
  POM1093  Aristida adscensionis var. modesta I. M. Johnston 1918-4-27 1861 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  GMDRC5515  Aristida californica J. Andre 2012-3-19 21352 Riverside Chuckwalla Valley: along Hwy 177, 8.6 mi. NE of Jct with I-10 152 Comment
  UCR248085  Aristida californica Duncan S. Bell 2012-9-13 4181 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  POM264638  Aristida purpurea var. fendleriana J. C. Roos 1938-8-7 583 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
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Apr 3 2011
  RSA595706  Armoracia rusticana R. E. Riefner 1996-9-30 96 -161 Riverside Community of El Cerrito, Minnesota Road & Temescal Wash Comment
  RSA295237  Artemisia californica N. R. Zabriskie, W. M. Zabriskie 1972-12-25 548 Riverside On Trail to ridge above Eagle Peak, Andreas Canyon watershed, east slope San Jacinto Mts. 915 Comment
  SD239568  Artemisia californica A. C. Sanders 2010-11-18 38692 Riverside Peninsular Range; western Gavilan Hills: eastern edge of Corona, north end of radio tower ridge, 1.85 mi. NNE (25a^z) of El Cerrito, 1 mi. SSE (143a^z) of Home Gardens, just east of large rock quarry (Corona South 7.5'Q) 398 Comment
  UCR178320  Artemisia californica T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 620 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  CLARK-A1528-155  Artemisia dracunculus John C. Roos 1951-9-23 Riverside Reche Canyon Comment
  CLARK-A1528-1574  Artemisia dracunculus John C. Roos 1948-10-16 Riverside Beaumont Comment
  VVC1185  Artemisia dracunculus Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, at and near the spring. 1293 Comment
  CAS-BOT-BC93690  Artemisia ludoviciana subsp. incompta Louis C. Wheeler 1931-10-4 171 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UC449647  Artemisia palmeri F. M. Reed 1905-9-28 Riverside Santa Ana River bottom 243 Comment
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Sep 10 2008
  POM12973  Arthrocnemum subterminale I. M. Johnston 1922-5-19 s.n. Riverside Perris 457 Comment
  CLARK-A1656-632  Asclepias albicans Lois Ann Scott 1978-4-18 Riverside Mecca Hills 304 Comment
  RSA612606  Asclepias californica D. L. Banks, Victor Steinmann 1997-3-13 1491 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA699312  Asclepias californica Pomeroy 1929-5-11 s.n. Riverside Between Lake Elsinore and Glenn Ivy. Comment
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Oct 22 2011
  UCR202003  Asclepias californica 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
  CHSC21411  Asclepias subulata Robert A. Schlising 1972-4-8 3015 Riverside Ramon Road, east of Thousand Palms, near junction with Thousand Palms Canyon Road. Comment
  SEINET3004921  Asclepias subulata G. Rink 2010-10-3 10339 Riverside Plains east of the McCoy Mtns., north of Blythe 152 Comment
  UCR19050  Asclepias subulata Don Emery 1980-2-12 s.n. Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, near an old playa south of Dos Palmas Spring and north of Ferrum siding Comment
  POM8768  Aspidotis californica P. A. Munz, Harwood 1920-2-28 3236 Riverside 2 mi. southeast of Corona 274 Comment
  SEINET10614343  Aster David B. Dunn 1946-8-17 Dunn 2733 Riverside Round meadow dry hillside among Lodge Pole Pines, San Jacinto Mts. Comment
  RSA653764  Aster hesperius Dr H. Baer 1923-9-24 s.n. Riverside Shore of Lake Elsinore Comment
  CAS-BOT-BC477877  Asteraceae J. H. Thomas 1949-2-28 60 Riverside Southern part of Palm Springs. Comment
  CAS-BOT-BC154110  Astragalus N. Aitkenhead 1977-1-31 s.n. Riverside ~1 mi E. of junct. of Dillon Rd & T/L in N. Palm Springs Comment
  RSA774897  Astragalus Duncan S. Bell, Amber Swanson 2011-2-18 2030 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
  CAS-BOT-BC178629  Astragalus coccineus Ivan Johnston 1917-4-4 1063 Riverside Bottom of sandy draw, Palm Canyon - Colorado Desert 640 Comment
  CAS-BOT-BC178635  Astragalus coccineus Jay B. Walker 1995-5-4 1414 Riverside San Bernardino National Forest, Hwy 74, 3 km E of jct. w/Santa Rosa Mtn. Rd. 1400 Comment
  SBBG68220  Astragalus didymocarpus var. dispermus M. N. Ackley -Feb-1926 560 Riverside near Edom 64 Comment
  RSA500098  Astragalus gambelianus Steve Boyd 1989-4-2 3212 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  CAS-BOT-BC187117  Astragalus lentiginosus var. borreganus Geo. B. Grant 1906-4-8 6747 Riverside Palm Springs Comment
  RSA507459  Astragalus lentiginosus var. coachellae D. C. Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mile S of Hwy I-10 and 2 miles W of Indian Ave. 259 Comment
  UC397174  Astragalus lentiginosus var. coachellae S. B. Parish 1919-3-26 19189 Riverside Whitewater Crossing , Whitewater Crossing (Colorado Desert) Comment
  UC862626 Image available Astragalus lentiginosus var. coachellae Alice Eastwood 1913-4-30 3116 Riverside Palm Springs Comment
  SEINET2060082 Image available Astragalus lentiginosus var. variabilis P. Leary 1975-2-16 934 Riverside S of Pinto Mountain, Joshua Tree National Monument. 518 Comment
  JOTR01059  Astragalus lentiginosus var. variabilis Cole, James E. 1941-5-2 671 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  SDSU7658  Astragalus pachypus D. F. Howe 1969-5-15 4591 Riverside Near Dripping Springs camp ground. 457 Comment
  RSA498280  Astragalus pachypus var. jaegeri Mark Morris 1929-3-19 13716 Riverside San Jacinto mtns., back of Valle Vista Comment
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Feb 28 2011
  UCR109000  Astragalus pachypus var. jaegeri D. L. Banks, V. W. Steinmann 1997-3-13 1475 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
  UCR236899  Astragalus pachypus var. jaegeri Duncan S. Bell, Naomi Fraga 2010-4-22 854 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.6 air mi southeast of junction of Hwy 74 and FS Road 5S15 841 Comment
  CAS-BOT-BC192765  Astragalus palmeri Peter H. Raven 1958-5-6 12926 Riverside Along State Highway 74, 15.6 miles south-west of Palm Desert Comment
  RSA0100143  Astragalus palmeri Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8583 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  RSA800138  Astragalus palmeri Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52076 Riverside Bighorn Lookout. Comment
  CAS-BOT-BC194172  Astragalus pomonensis H. S. Gentry 1954-7-26 14253 Riverside Dripping Springs along route 79 Comment
  POM202254  Astragalus pomonensis Marcus E. Jones 1933-4-5 s.n Riverside Hemet. Comment
  RSA415658  Astragalus pomonensis N. C. Cooper 1944-5-21 1237 Riverside Hemet. 549 Comment
  RSA492850  Astragalus pomonensis Bill Wagner 1988-3-9 s.n Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
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Mar 20 2011
  RSA552694  Astragalus pomonensis Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-26 6702 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  SD114770  Astragalus pomonensis Wayne P. Armstrong 1982-4-4 Riverside Hillsides west of Sun City housing development, west end - McCall Blvd. 424 Comment
  CAS-BOT-BC193170  Astragalus sabulonum Carl B. Wolf 1932-4-28 3079 Riverside Colorado Desert. Chuckwalla Valley, 19 mi. west of Blythe on the Mecca Road 121 Comment
  SBBG3248  Astragalus sabulonum H. and M. Dearing 1938-3-5 1977 Riverside between Blythe and Desert Center Comment
  JEPS2756 Image available Astragalus stenophyllus var. stenophyllus W. L. Jepson May 17 1901-Jun 1 1901 1469 Riverside Cahuilla Valley; ; Cohuilla Valley, Southern California Comment
  UCR102921  Astragalus tricarinatus George K. Helmkamp 1998-4-3 3087 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  UCR187472  Athyrium filix-femina Diane Menuz, Angela Hyde 2006-8-24 236 Riverside Peninsular Range; San Jacinto Mtns, North Fork San Jacinto River c. 100 m below FS Rd. 5S09, below Indian Mountain 1331 Comment
  UCR60776  Athysanus pusillus Steve Boyd 1986-3-1 1373 Riverside Gavilan Hills, Gavilan Hills, on recent burn, 0.25 mi south of Harford Springs County Park 640 Comment
  POM293697  Atrichoseris platyphylla Lyman Benson, Robert Benson 1952-4-8 14847 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area 610 Comment
  UCR99571  Atriplex argentea Julie A. Greene, S. D. White 1993-7-5 1403 Riverside San Jacinto Valley, San Jacinto Wildlife Area, lower, flat area, west of dirt road 441 Comment
  POM278724  Atriplex canescens Grant D. Brown 1950-12-2 593 Riverside Santa Ana River NW of Arlington 198 Comment
  POM278725  Atriplex canescens Grant D. Brown 1950-12-2 592 Riverside Mockingbird Canyon, about 4 miles up the canyon 412 Comment
  SEINET3930604  Atriplex canescens Grant D. Brown 1950-3-5 491 Riverside 3 miles east of Indio on highway #60/70.; 0 9 Comment
  RSA696733  Atriplex canescens var. laciniata J. R. Bruff 1927-10-8 s.n. Riverside Thousand Palms. Comment
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Sep 10 2011
  SD80077  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-10-31 325 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  RSA532562  Atriplex coronata var. notatior D. E. Bramlet 1991-4-29 2078 Riverside 6.5 km west of Hemet and some 350m south of Florida and 550m west of Warren. The population is some 50m east of MWD canal. 500 Comment
  UC1392858  Atriplex coronata var. notatior R. F. Hoover 1968-6-6 11154 Riverside 1 mi e Perris; e of Perris Comment
  UCR77746  Atriplex coronata var. notatior Steve Boyd 1991-5-13 6238 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
  UCR90766  Atriplex coronata var. notatior D. E. Bramlet 1991-4-30 2088 Riverside 6.5 km west of Hemet and Approx. 610 m west of the intersection of Florida and Warren Road, 340 m south of Florida Ave. and 53 m east of the MWD canal 457 Comment
  UCR172748  Atriplex davidsonii Robert Cox, Chris E. True 2005-6-2 s.n. Riverside Perris-Aguanga Basin, San Jacinto Valley; San Jacinto Wildlife Refuge, 1 mi east of the wildlife area headquarters, vicinity of Duck Ponds 436 Comment
  UCR27595  Atriplex davidsonii John C. Roos 1962-5-24 s.n. Riverside San Jacinto Valley, Flats west of Hemet Comment
  UCR63944  Atriplex davidsonii D. E. Bramlet, A. Parikh 1990-6-14 2035 Riverside San Jacinto Valley, 6.5 km west of Hemet, c. 600 m SW of the intersection of Warren Ave and Florida Street, and 0-50 m east of the MWD 'San Diego Canal 457 Comment
  UC1922264  Atriplex hymenelytra Scott D. White, Brian Leatherman 2005-5-4 11016 Riverside Sonoran Desert: Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. Comment
  UCR19490  Atriplex hymenelytra Don Emery 1980-2-12 s.n. Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, near an old playa south of Dos Palmas Spring and north of Ferrum siding Comment
  UCR279381  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2017-3-24 42969 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 735 Comment
  UCR100889  Atriplex parishii H. C. Stutz, G. L. Chu 1995-6-29 9773 Riverside San Jacinto Valley, '2 mi. south of Hemet, 1/4 mi. east of end of California Ave.', [presumably on Stetson Ave., east of the N end of California Ave., near the San Diego Aqueduct and upper Salt Creek channel, c. 2 miles SW of Hemet] 457 Comment
  CAS-BOT-BC176534  Atriplex polycarpa Milo S. Baker 1928-4-3 2775 b Riverside Palm [Canon] Canyon Comment
  UCR165274  Atriplex polycarpa John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  POM78943  Atriplex serenana I. M. Johnston 1923-7-19 s.n. Riverside Norco-Pedley Road 4 mi. SSE of Wineville. Comment
  UCR120922  Avena barbata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24922 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  IRVC1476  Avena fatua Don Pfirrmann 1965-4-24 HS 78 Riverside Highway 74; 1/4 mile SE of Sven Camp summit. Comment
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Mar 30 2014
  IRVC5358  Avena fatua Gidon Ladizinsky 1971-5-19 s.n. Riverside University of California, Riverside Comment
  UCR100030  Avena fatua A. C. Sanders, G. Helmkamp 1997-3-15 19977 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  VVC547  Avena fatua A. C. Sanders, J. Mac 1997-5-4 20649 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
  SEINET7048193  Avena fatua Steven R. Hill, Andrew C. Sanders 2001-5-4 33702 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  RSA0123154  Ayenia compacta Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8964 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 6.5 air miles southeast of the summit of Martinez Mountain. 480 Comment
  POM243559  Baccharis brachyphylla E. C. Jaeger 1938-10-21 s.n Riverside Joshua Tree National Monument. 12 miles south of Warrens Well. In rocky gulches. Comment
  RSA0104611  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  UCR26079  Baccharis brachyphylla John C. Roos 1946-9-14 3008 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  UCR262332  Baccharis brachyphylla Duncan S. Bell 2013-9-29 6045 Riverside Colorado (Sonoran) Desert, Chuckwalla Mountains, south side of Corn Springs, Wash, c. 1.8 air mi southwest of Corn Springs 648 Comment
  POM182370  Baccharis emoryi Joseph A. Ewan 1931-10-3 5216 Riverside Santa Ana River, 4 mi. NW if Corona. Comment
  RSA486458  Baccharis emoryi Richard Noyes 1988-10-30 758 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  SD229073  Baccharis salicifolia subsp. salicifolia Dick Schwenkmeyer 2012-10-16 846 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCR46717  Baccharis salicina B. G. Pitzer, D. C. Hawks 1986-12-2 0363 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  POM183880  Baccharis sergiloides Philip A. Munz 1932-10-16 12843 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  UCR82894  Baccharis sergiloides A. C. Sanders, S. White & C. Sanders 1994-10-9 15808 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA0094095  Bahia dissecta Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8721 Riverside Santa Rosa Mountains; approximately 0.4 air mile southeast of the summit of Santa Rosa Mountain. 2410 Comment
  LA31363  Bahiopsis parishii Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 178 Riverside Morongo Wash Comment
  UC68873  Bebbia juncea var. aspera S. Grout 1903-7-1 Riverside Rubidoux Mt. Comment
  CDA6861  Bellis perennis J. E. Davis 1959-8-31 2998 Riverside 3893 Larchwood Place, Riverside. 0 Comment
  CSUSB1  Beloperone californica Frank Aubrey 1959-2-2 S.N. Riverside Palm Desert 0.2 miles east of junction of Deep Canyon Road with Portala Ave. 2.2 miles south of junction of Portala Ave. and State Highway 111 in Palm Desert, Riverside County, Ca. In middle of creek bed where road crosses it. 213 Comment
  UC1280787  Berberis aquifolium var. dictyota H. E. McMinn 1935-6-27 4076 Riverside Arthut Gilman's Ranch Banning Comment
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Dec 13 2011
  CLARK-A1528-5634  Berberis nevinii John C. Roos 1948-2-21 3772 Riverside San Timoteo Canyon Comment
  SD51809  Bernardia incana Rimo Bacigalupi, L. R. Heckard 1953-5-5 4075 Riverside Along the Palms to Pines Highway, above Seven Level Hill, western slopes of Deep Canyon, about half way between the Santa Rosa Mountains and the San Jacinto Mountains. Comment
  UCR112796  Bloomeria crocea A. C. Sanders 1997-5-1 20623 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR22156  Bloomeria crocea var. crocea Steve Boyd 1980-5-13 267 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UCR163885  Boerhavia coccinea B. G. Pitzer 2001-8-19 4338 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR35201  Boerhavia intermedia L. B. Ziegler 1971-10-12 431 Riverside San Jacinto Mtns, Pinyon Flats 1311 Comment
  SD251246  Boerhavia triquetra Duncan S. Bell, John Anderson, et al. 2013-9-28 6023 Riverside Chuckwalla Valley; ca. 22.25 air miles west of Blythe, south side of Ford Dry Lake, ca. 0.5 air mile southeast of Hopkins Well. 106 Comment
  UCR215596  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 348 Riverside Mojave Desert, Joshua Tree National Park, northeast end of Splitrock Picnic Area 1327 Comment
  JOTR32598  Boerhavia triquetra var. intermedia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2665 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA780239  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-12 96 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  SBBG93086  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Tabaseca Tank, in the extreme northern end of the Chocolate Mtns; Chocolate Mtns Aerial Gunnery Range 610 Comment
  SD247457  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41867 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi. SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  SEINET3228130  Boerhavia wrightii G. Rink 2012-9-1 11653 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  UCR43367  Boerhavia wrightii R. F. Thorne, R. Dahlgren 1979-8-23 53603 Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, Pinto Basin Road: along Road, 4.5 mi south of meeting area of Mojave and Colorado Deserts 1098 Comment
  RSA792931  Bouteloua barbata Aaron C. Sedgwick, Cody Leslie 2012-9-20 120 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  UCR100129  Bouteloua barbata B. G. Pitzer 1997-10-19 3359 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
  RSA0026138  Bouteloua barbata var. barbata Deidre Conocchioli, Caitlin Elam 2013-10-1 74 Riverside East of Little Chuckwalla Mtns. From Blythe, CA. Take I-10 W for 17.8 miles, take the Wiley's Well Rd exit., Turn left (S) on Wiley's Well Rd. Travel for 1.3 miles on paved road, then continue onto the unpaved portion of the road for 4.5 miles. Collection site on right (E) side of road. 177 Comment
  JOTR33756  Bowlesia incana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2754 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  SBBG87352  Bowlesia incana B. Pitzer, A. C. Sanders 1987-4-21 491 Riverside Box Springs Mtns, near southernmost radio towers; T2S, R4W, SE1/4 S27 792 Comment
  UCR213309  Bowlesia incana A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37696 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  RSA394246  Brandegea bigelovii Anstruther Davidson 1903-5-3 s.n. Riverside Martinez Canyon mouth. Comment
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Jul 1 2016
  RSA747717  Brandegea bigelovii Justin M. Wood 2009-3-26 398 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UCR104898  Brassica nigra A. C. Sanders 1997-3-19 20027 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  SD187378  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA618764  Brassica tournefortii L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Snow Canyon. 457 Comment
  SEINET11195157  Brassica tournefortii D. Atwood 1993-3-26 17687 Riverside Along Hwy 74, 6 miles NE of San Juan Capistrano. Comment
  RSA561424  Brickellia californica Steve Boyd 1992-9-9 7685 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA772008  Brickellia californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4963 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
  SDSU13497  Brickellia californica W. Miller with C. Mosse 1972-7-11 Riverside Comment
  RSA595916  Brickellia desertorum Darin L. Banks, Lauren Raz 1996-11-5 1175 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  SD146037  Brickellia desertorum A. C. Sanders, Pam MacKay, Tim Thomas, et al. 1996-11-23 19650 Riverside San Bernardino Mountains; Whitewater Canyon, just below the fish hatchery. 648 Comment
  UCR231199  Brickellia desertorum A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39946 Riverside Peninsular Range; Santa Ana Mountains, Skyline Drive on ridge between Mabey and Tin Mine Canyons, 1.8 mi. below Oak Flat, at side canyon (tributary to Mabey Cyn.) crossed by road 710 Comment
  UC1551954  Brickellia nevinii J. C. Roos 1965-9-12 Riverside 3 mi sw of Corona Tin Mine Canyon (Santa Ana Mountains); Santa Ana Mountains 548 Comment
  JEPS18572  Brickellia oblongifolia var. linifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1424 Riverside Van Deventer's Ranch Comment
  RSA559357  Brodiaea santarosae Steve Boyd, Timothy S. Ross 1992-5-15 7385 Riverside Southern Santa ana Mtns., southern flank of Elsinore Peak along old Main Divide Road track about 1/4 mile due south of radio towers, 1037 Comment
  UCR164914  Brodiaea santarosae Chris E. True, R. Vargas, M. Bornyasz 2003-6-3 s.n. Riverside Peninsular Ranges; Southern Santa Ana Mtns., Santa Rosa Plateau Area, Mesa de Colorado, east of large pool off [Via] Volcano road; CCB-WRC Monitoring site 2619 630 Comment
  RSA570549  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8008 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  POM10228  Bromus berteroanus F. M. Reed 1906-3-17 923 Riverside Mouth of South Fork of Arroyo Tequesquite. Comment
  RSA78185  Bromus berteroanus J. C. Roos, L. Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon, south of Palm Spriings. 274 Comment
  UC69336  Bromus carinatus var. carinatus H. M. Hall 1899-5-22 1112 Riverside San Jacinto Mountains; Southern California, San Jacinto Mountains 1524 Comment
  CLARK-A1528-41  Bromus diandrus C. M. Flanagan 1973-5-12 OO 410 Riverside Morongo Indian Reservation 1158 Comment
  UC37682  Bromus hallii H. M. Hall June 1901 2301 Riverside W side of San Jacinto Mountains San Jacinto Mountains 1737 Comment
  RSA701366  Bromus hordeaceus Steve Boyd, Aydee Virgen 2004-4-13 10862 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA792813  Bromus hordeaceus subsp. hordeaceus D. M. McF 1954-5-28 5 Riverside Near Winchester. Junction [of] Hwy 395 and Newport Ave. Comment
  SD137962  Bromus madritensis subsp. rubens Darin L. Banks 1995-4-11 173 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; north slope of Agua Tibia mountain; east of the Dripping Springs Alcove area, along the Dripping Springs trail 950 Comment
  SEINET3922879  Bromus madritensis subsp. rubens A. C. Sanders 2005-4-21 29571 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak (Steele Peak 7.5' Q.).; 0 622 Comment
  RSA1446770  Bromus marginatus William McKinley Klein 1960-8-22 1586 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  RSA678387  Bromus rubens Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10454 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
  UCR147665  Bromus rubens Steve Boyd, Aydee Virgen 2004-4-13 10864 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR171953  Bromus rubens John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  RSA701408  Bromus rubens Steve Boyd, Aydee Virgen 2004-4-13 10864 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA0019730  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idylwild, San Jacinto Mountains 1677 Comment
  RSA0020664  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3599 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA0020665  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3637 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  UC1930179  Bromus trinii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky, T. S. Ross 2003-4-17 10455 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
  POM8989  Caesalpinia virgata Mary F. Spencer 1920-3-13 1448 Riverside Painted Canyon near Mecca -60 Comment
  RSA405293  Caesalpinia virgata Christopher Davidson 1979-4-4 7691 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  CDA6854  Calendula officinalis T. C. Fuller 1962-6-6 8849 Riverside La Cadena & Iowa Avenue, east of Highway 395 freeway, Highgrove. 0 Comment
  RSA198957  Callitriche marginata R. F. Thorne 1968-5-8 37574 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  POM11515  Calocedrus decurrens Philip A. Munz 1922-6-28 5885 Riverside Santa Rosa Mtns. Canyon above Santa Rosa. 1981 Comment
  POM19844  Calochortus invenustus Mary F. Spencer 1923-7-18 2249 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  POM48587  Calochortus invenustus Mary F. Spencer 1919-6-20 1353 Riverside Idyllwild. San Jacinto Mountians. 1616 Comment
  HSC92910  Calochortus splendens Scott White 1993-5-29 1442 Riverside San Bernardino Mtns., Banning Canyon and Big Oaks Canyon along rd. to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA285891  Calochortus splendens D. C. Michener 1982-6-8 4052 Riverside San Jacinto Mts. Slopes on northeast side of Garner Valley immediatly adjacent to valley floor just northwest of jct. of Morris Ranch Road & Ca. 74. Comment
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May 26 2014
  RSA501004  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3122 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UCR125563  Calochortus weedii var. intermedius Chris E. True 2003-6-18 s.n. Riverside Santa Ana Mountains, Cleveland National Forest. Hagador Canyon, Trabuco Ranger District, SW of the city of Corona 600 Comment
  SD45165  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside 5.0 miles northeast of Cottonwood Springs, Joshua Tree National Monument. 854 Comment
  JOTR33962  Calyptridium monandrum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2848 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  SEINET8567926 Image available Calyptridium monandrum A. G. Vestal 1947-3-30 Riverside California: Riverside County 33.5757 deg. North Latitude, -116.9840 deg. West Longitude. Ca 4.2 miles west of Sage in Tucalota Valley on East Benton Road. Sage quad. (NAD 27), UTM Zone 11, 301485mE, 3714919mN. Comment
  UCR154742  Calyptridium monandrum T. B. Salvato, Kent Beaman 2005-5-16 777 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
  RSA719788  Calyptridium parryi var. parryi Naomi Fraga, John McDonald, Michael Wall 2006-11-16 1875 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR20549  Calystegia fulcrata W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1835 Comment
  UCR176684  Calystegia macrostegia R. D. Goeden, Don W. Ricker 1965-6-10 s.n. Riverside Peninsular Range, Murrieta Township, Rancho Pauba, Hwy 71 [=79] at Temecula River Comment
  RSA422172  Calystegia macrostegia subsp. arida Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA394917  Calystegia macrostegia subsp. tenuifolia M. V. Hood 1945-3-26 s.n. Riverside Cottonwood Creek, Aguanga. Comment
  POM47005  Calystegia occidentalis subsp. fulcrata Mary F. Spencer 1919-6-25 1297 Riverside San Jacinto Moutains: Idyllwild. 1616 Comment
  SD197828  Camissonia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16249 Riverside San Jacinto Mountains/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Highway 111 and Snow Creek Village. 334 Comment
  UC1186512  Camissonia E. G. Linsley and J. W. MacSwain 1960-3-2 60 -8 Riverside 2 mi w Desert Center Comment
  VVC322  Camissonia bistorta F. Ambrey 1959-4-20 s.n. Riverside Northern Perris Basin, 0.2 mi So of refuse disposal area on Pigeon Pass Rd, 60 yds E of Hwy in wash. 536 Comment
  RSA781903  Camissonia boothii subsp. condensata Duncan S. Bell 2010-5-1 887 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR148459  Camissonia brevipes S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  POM201158  Camissonia brevipes subsp. brevipes Carl B. Wolf 1932-4-29 3108 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  RSA770891  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4594 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA454730  Camissonia cardiophylla E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  RSA454736  Camissonia cardiophylla Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  CSUSB196  Camissonia claviformis Sally Bell 1964-3-12 Riverside Cathedral City, about 500 feet west of Blue Skies Trailor Court off highway 111, in sandy soil. 96 Comment
  UCR86852  Camissonia claviformis A. C. Sanders 1995-3-29 16272 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  POM14095  Camissonia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-9 4775 Riverside Shavers Well, near Mecca. 76 Comment
  POM259740  Camissonia claviformis subsp. aurantiaca E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  UCR104923  Camissonia confusa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20659 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
  UCR44446  Camissonia confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA291564  Camissonia hirtella C. W. Tilforth, B. Busenberg 1980-6-17 2002 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  UCR58881  Camissonia hirtella Ed LaRue 1989-5-4 s.n. Riverside 2 mi NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon. 488 Comment
  RSA654879  Camissonia micrantha Mitch Provance 1998-3-31 307 Riverside Wilder's Mt. Pass'', ca. 1/8 mile NE of peak 1538. 335 Comment
  RSA770290  Camissonia pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4750 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 W116.65131 604 Comment
  RSA465913  Camissonia pallida subsp. hallii N. C. Cooper 1944-4-23 1111 Riverside Banning. 701 Comment
  POM37761  Camissonia pallida subsp. pallida Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA449243  Camissonia pallida subsp. pallida Anstruther Davidson 1904-5-1 1090 Riverside Palm Springs. Comment
  RSA134476  Camissonia refracta T. Mosquin 1958-2-21 3189 Riverside Box Canyon. Comment
  UC1546707  Camissonia refracta Barry A. Prigge 1988-2-21 7850 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UC219287  Camissonia strigulosa P. A. Munz and I. M. Johnston 1922-5-20 5466 Riverside Kenworthy San Jacinto Mts. 1432 Comment
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Mar 25 2011
  UCSB4434  Camissonia strigulosa Ralph, F. 1959-5-17 Riverside Hwy 74, about 17.2 miles north of Pinon Flats Campground, San Jacinto Mtns. 1371 Comment
  OBI33206  Camissoniopsis bistorta J. C. Roos 1947-3-15 3345 Riverside Valle Vista, San Jacinto Valley 549 Comment
  UC20431  Camissoniopsis bistorta H. M. Hall May 17 1901-Jun 1 1901 1909 Riverside Van Deventer's 1371 Comment
  RSA0014943  Camissoniopsis intermedia LeRoy Gross, Evan Meyer 2013-5-21 6116 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UC874016  Camissoniopsis pallida subsp. pallida Lewis S. Rose 1937-4-9 37092 Riverside Cabazon 563 Comment
  UC922783  Camissoniopsis pallida subsp. pallida Annie M. Alexander and Louise Kellogg 1940-3-21 884 Riverside at end of road Mohave Desert, Barker Dam (20 mi s of Twenty Nine Palms) 1322 Comment
  UC10417  Cardamine californica var. integrifolia W. H. Brewer Jan 1861 138 Riverside Agua Fria Canyon; Santa Ana Mountains Comment
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Jul 5 2010
  UCD114526  Cardamine parviflora A. C. Sanders 1995-2-6 15915 Riverside UCR campus, in pots in the Botanic Garden Lath House. 367 Comment
  RSA495446  Carex Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2974 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR188226  Carex Diane Menuz 2006-6-21 177 A Riverside Peninsular Range; Santa Ana Mtns, Santa Rosa Plateau, at intersection of Tenaja Truck Rd. and Ranch Rd. 541 Comment
  RSA596543  Carex barbarae Darin L. Banks, Lauren Raz 1996-8-29 1142 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 548 Comment
  UCR281827  Carex barbarae Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 106 Riverside Temescal Valley, South Corona, Warm Springs Dr. at intersection with Whitetail Dr., drainage likely associated with Anderson Canyon, adjacent to large swath of relict disturbed bottomland. 345 Comment
  UCR44463  Carex multicaulis A. C. Sanders 1986-6-1 6563 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  POM14392  Carex nebrascensis Phillip A. Munz 1922-9-6 6397 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA364666  Carex nebrascensis M. B. Dunkle 1933-7-22 3743 Riverside Tahquitz Valley. 2317 Comment
  CAS-BOT-BC117859  Carex sartwelliana D. E. Breedlove 1961-7-29 872 Riverside Fuller Mill Creek where it crosses Riverside Hwy # 1. San Jacinto Mountains. 1645 Comment
  POM49566  Carex sartwelliana Phillip A. Munz 1924-7-28 8815 Riverside Pine Flats 1738 Comment
  SBBG95115  Carex schottii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 179 Riverside Oasis de los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mtns, 1 mi W of Snow Crk Village 487 Comment
  RSA249867  Carex subfusca Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38154 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  CHSC88465  Carex triquetra L. P. Janeway 2004-5-8 8060 Riverside Peninsular Ranges. Santa Ana Mountains; San Mateo Canyon, along Tenaja Trail about 650 m south-southwest of trailhead at Wildomar Road. 375 Comment
  UCR240274  Castela emoryi Duncan S. Bell 2009-10-10 505 Riverside Sonoran (Colorado) Desert, Arica Mountains, east side of the mountain range; west side of Rice Valley; c. 5 air miles SE of the ghost town of Rice 211 Comment
  RSA501005  Castilleja affinis Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3123 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UC190967  Castilleja applegatei subsp. martinii A. W. Anthony 1895-7-3 Riverside San Jacinto Mts. Comment
  RSA0010906  Castilleja applegatei subsp. martinii J. R. Bruff 1934-7-5 s.n. Riverside [San Jacinto Mts.] 2439 Comment
  SD134194  Castilleja exserta R. Mitchel Beauchamp 1972-4-16 3297 Riverside Pauba Valley, N of Highway 71-79 430 Comment
  UCR269903  Castilleja exserta D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3660 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  JEPS10328  Castilleja exserta subsp. exserta W. L. Jepson 1901-5-19 1294 Riverside Strawberry Valley Mt. San Jacinto Comment
  RSA586866  Castilleja exserta subsp. exserta D. L. Banks, S. D. Boyd 1995-5-3 285 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
  UC495197  Castilleja exserta subsp. exserta Philip A. Munz 1932-3-24 12016 Riverside Corona 365 Comment
  UCR121245  Castilleja martinii Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2283 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SD143713  Castilleja minor subsp. spiralis Scott D. White 1997-5-25 5223 Riverside Bautista Cyn Rd., abt 1.3 road miles NW of Hixon Trailhead (USFS No. 2E43) 700 Comment
  UCR193360  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas 2008-6-20 35552 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCSB26902  Castilleja minor subsp. spiralis Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California Highway 74, Santa Rosa Mountains Comment
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Nov 30 2014
  RSA713479  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  RSA516427  Caulanthus heterophyllus W. Wisura, Bart O Brien, T. Hayduk 1990-5-2 4434 Riverside Ortega Hwy. lower switchbacks above Lake Elsinore, in burned area. Comment
  UCD114553  Caulanthus heterophyllus A. C. Sanders; Steven R. Hill 2001-5-4 24134 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Road at Avenida del Oro (to Sandia Crk. Dr.), E side of Rancho C. Road. 148 Comment
  UCR98075  Caulanthus heterophyllus A. C. Sanders, G. Helmkamp 1997-3-15 19947 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  RSA543134  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6123 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  UCR265570  Caulanthus simulans Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 9 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  LA41989  Ceanothus crassifolius W. E. Pequegnat; 1937-8-25 sn Riverside Santa Ana Mountains, Palo Comado SMMNRA, Glen Ivy Trail 457 Comment
  RSA398893  Ceanothus crassifolius M. B. Dunkle 1935-3-3 4354 Riverside San Juan Canyon. 762 Comment
  UCD111427  Ceanothus crassifolius Frank W. Gould 1944-4-4 2216 Riverside 10 miles southeast of Temecula on Highway 71. Comment
  UCR163217  Ceanothus crassifolius T. B. Salvato, Kelly Volansky 2003-3-27 132 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UC1018192  Ceanothus cuneatus var. cuneatus J. Warren 1952-5-25 Riverside w Idylwild 1371 Comment
  RSA399316  Ceanothus leucodermis Gale Sphon 1955-5-21 s.n. Riverside 5 mi. S of Lake Fulmore. Comment
  UCD162843  Ceanothus leucodermis D. O. Burge 2015-3-17 1693 Riverside Rainbow area. 410 Comment
  RSA0019590  Ceanothus oliganthus var. oliganthus M. French Gilman 1928-3-13 s.n. Riverside Canyon on north slope of San Jacinto Mountains, between Cabazon and Whitewater. Comment
  RSA570221  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7890 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UCR89465  Ceanothus ophiochilus Steve Boyd, K. A. Boyd 1993-3-28 7916 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  OBI6101  Ceanothus perplexans Carl B. Wolf 1931-5-11 1944 Riverside Near Pipe Crk above Hemet Valley, San Jacinto Mts 1676 Comment
  UCR213850  Ceanothus perplexans Scott D. White, Justin M. Wood 2009-5-21 12866 Riverside San Jacinto Mountains, Garner Valley, 0.5 mi northwest of Morris Ranch Road (Kenworthy Ranger Station) 1387 Comment
  UCR158130  Centaurium venustum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30099 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
  UCR275231  Centromadia pungens subsp. laevis Allison D. Rudalevige 2012-5-2 001 Riverside Temecula, adjacent to Murrieta Creek, along Diaz Diaz Rd. between Winchester Rd. and Black Deer Loop 311 Comment
  RSA561781  Cerastium glomeratum Steve Boyd 1992-4-14 6847 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  POM202255  Cercocarpus betuloides Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  JOTR32366  Cercocarpus betuloides var. betuloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2481 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Rocky outcrop and steep slopes above large drainage and spring (Stop 6) Comment
  UCR196354  Chaenactis carphoclinia Naomi Fraga, Lisa Rojas 2005-2-10 1384 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  UC1080286  Chaenactis carphoclinia var. carphoclinia E. K. Balls and P. C. Everett 1958-3-20 22938 Riverside s base of Eagle Mts., U.S. Hwy 60/70 Eagle Mts. 365 Comment
  CAS-BOT-BC276932  Chaenactis fremontii Marian L. Campbell 1921-3-20 s.n. Riverside Banning to Palm Springs Comment
  SEINET1086113 Image available Chaenactis fremontii G. Helmkamp, M. Rosczyk 1985-4-4 223 Riverside West edge of themain canyon 1/4 mile below the BLM gate. 518 Comment
  UCSB6424  Chaenactis fremontii Graney, Don 1953-3-20 Riverside White Water Canyon, 1 half mi. from White Water, Colorado Desert Comment
  UCR155057  Chaenactis glabriuscula Jason L. Hlebakos 2005-5-30 815 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  JEPS34204  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1939-4-17 19138 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  SBBG65575  Chaenactis glabriuscula var. glabriuscula M. N. Ackley 1928-3-11 280 Riverside near Cabazon, San Gorgonio Pass 609 Comment
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Mar 13 2011
  CAS-BOT-BC277549  Chaenactis glabriuscula var. lanosa G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  CAS-BOT-BC277552  Chaenactis glabriuscula var. lanosa L. R. Abrams 1926-3-25 11000 Riverside Near Banning Comment
  SBBG65574  Chaenactis glabriuscula var. lanosa M. N. Ackley 1928-3-11 273 Riverside near Cabazon, San Gorgonio Pass 609 Comment
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Mar 13 2011
  UCR275463  Chaenactis stevioides Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 965 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  POM159842  Chaenactis stevioides var. stevioides E. C. Jaeger 1928-3-26 s.n. Riverside Eagle Mts, Colorado Desert. Comment
  JOTR30085  Chamaesyce micromera La Doux, Tasha, Bill Truesdell 2006-10-3 1723 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  CHSC39253  Chamaesyce polycarpa M. O. Dillon; E. Rodriguez 1977-1-29 796 Riverside Ca. 1 mi. E of Mecca. Mojave Desert. Comment
  SBBG4029  Chamaesyce polycarpa H. and M. Dearing 1930-4-14 953 Riverside near Palm Springs Comment
  SEINET7907984  Chamaesyce polycarpa D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  RSA432469A  Chamaesyce polycarpa var. hirtella Christopher Davidson 1979-4-4 7680 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA611960  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1952-10-30 7011 Riverside University of California at Riverside: Citrus Experimental Station. Comment
  JOTR30084  Chamaesyce setiloba La Doux, Tasha, Bill Truesdell 2006-10-3 1905 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  UCR178564  Cheilanthes covillei R. G. Swinney 1967-3-5 47 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  RSA388058  Cheilanthes newberryi Steve Boyd 1985-12-25 1198 Riverside Gavilan Hills; granitic ridge on W side of Steele Valley in SCE Transmission Line Corridor. Comment
  RSA667021  Cheilanthes newberryi Scott D. White, Dave Bramlet 1999-4-22 7235 Riverside Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 549 Comment
  UCR112955  Cheilanthes newberryi B. G. Pitzer 1998-3-1 3548 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  CAS-BOT-BC68057  Cheilanthes parryi Annie M. Alexander; Louise Kellogg 1941-4-22 2061 Riverside Colorado Desert - White Water Canyon 548 Comment
  UC218643  Cheilanthes parryi S. B. Parish 1919-3-27 19191 Riverside West Canyon Palm Springs; Colorado Desert Comment
  RSA629023  Chenopodium Scott D. White 1998-6-28 6790 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  UCR119827  Chenopodium Mitch Provance 1998-6-11 642 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  POM219130  Chenopodium album L. C. Wheeler 1932-7-9 923 Riverside Central Ave. 3 mi. N Chino. 244 Comment
  RSA654967  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al. 2000-9-8 s.n. Riverside Perris-Aguanga Basin Region: gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  RSA666522  Chenopodium berlandieri Mitch Provance 2000-8-24 2218 Riverside Jurupa Mountains: NW extreme of the Jurupa Mountains, as accessed from Country Village Rd. 259 Comment
  POM123177  Chenopodium californicum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  SEINET954689  Chenopodium strictum Mitch Provance 2000-1 2293 Riverside North Riverside. Reid Park, about 0.5 mile southwest of the corner of Placentia Lane and Orange Street (San Bernardino South 7.5'). 250 Comment
  CAS-BOT-BC231769  Chilopsis linearis Geo. B. Grant 1906-4-20 6740 Riverside Palm Springs Comment
  CAS-BOT-BC231790  Chilopsis linearis Roxana S. Ferris 1918-6-14 895 Riverside 2 miles east of Indian Wells on Palm Springs-Indio Rd Comment
  RSA455301  Chilopsis linearis Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA777282  Chilopsis linearis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4745 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR178319  Chilopsis linearis T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 621 .2 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  SEINET9355101  Chilopsis linearis Unknown 1953-6-22 Riverside Between Palm Springs and Banning. Comment
  JOTR29467  Chilopsis linearis subsp. arcuata La Doux, Tasha, Nicole Pietrasiak 2006-6-21 1678 Riverside Joshua Tree National Park. Stop # 1 = in wash on west side of Northern Eagle Mountains, approx. 1.5 miles NE of Mastodon Peak. 1051 Comment
  LA204147  Chilopsis linearis subsp. arcuata M. Zaitlin; 1951-5-26 sn Riverside Palm Springs Comment
  UCR260163  Chloracantha spinosa Duncan S. Bell 2013-10-29 6089 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake; north of Interstate 10, about a mile southwest of the pumping station 403 Comment
  JEPS68481  Chloris virgata W. L. Jepson 1912-11-1 5269 Riverside Palo Verde Valley, Blythe 82 Comment
  UCD59674  Chloris virgata H. S. Yates 1937-6-28 6740 Riverside Near Indio. 30 Comment
  UCR112561  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area, Diamond Valley, along State Street (R3) c. 1/2 mi. north of Newport Rd., south of Hemet 488 Comment
  UCR96900  Chorispora tenella D. E. Bramlet 1993-3-20 2296 Riverside 5.6 km west of Hemet, 671 m south of the intrersection of Florida Ave. and Warren Road, along Warren Road, on the W side of the road 457 Comment
  RSA0034932  Chorizanthe brevicornu A. Lee Haines 1974-7-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  UC849185  Chorizanthe brevicornu var. brevicornu I. W. Clokey 1935-4-17 6595 Riverside Cottonwood Springs Comment
  UCR16539  Chorizanthe brevicornu var. brevicornu J. Texera 1970-3-27 05 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
  UCR228708  Chorizanthe brevicornu var. brevicornu Charles Hughes 2009-3-23 062 Riverside south of Hwy 62 near the abandoned Desert Center Airport, near city of Rice 220 Comment
  CAS-BOT-BC191254  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1785 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Skunk Hollow vernal pool Comment
  UC1929851  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-6-17 9544 Riverside S PERRIS BASIN: Murrieta. Interstate 215 / Clinton Keith interchange. Comment
  UCR260835  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41519 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  SD181399  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10407 Riverside Santa Ana Mountains Gavilan Hills Region: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash Comment
  UCR48397  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR217517  Chorizanthe procumbens var. albiflora Lee A. Ripma 2008-5-7 93 Riverside Santa Ana Mtns, San Mateo Canyon, 1.3km northwest of Wildomar Rd, west of Tenaja trail 661 Comment
  UC1600856  Chorizanthe rigida Jos. Burtt Davy 1902-4-2 Riverside Salton Comment
  OBI11184  Chorizanthe staticoides Dieter H. Wilken 1965-6-29 390 Riverside W end of the Hemet Valley (Garner Valley) near lake Hemet San Jacinto Mts 1372 Comment
  UCR139166  Chorizanthe staticoides S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR100036  Chorizanthe xanti Scott D. White 1994-4-23 2045 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR42359  Chorizanthe xanti B. G. Pitzer 1986-5-4 0199 Riverside Colorado Desert/San Bernardino Mtns., Whitewater Canyon, at N edge of hatchery to c. 0.25 mi. N; c. 5 mi. north of Interstate Hwy 10 on Whitewater Canyon Road. 732 Comment
  CAS-BOT-BC30107  Chrysolepis chrysophylla Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  JEPS44384  Chrysolepis sempervirens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4264 Riverside Summit of Toro Peak; Santa Rosa Mts. Comment
  UC168815  Chrysolepis sempervirens A. W. Anthony 1895-7-6 Riverside San Jacinto Mtns. 2743 Comment
  CDA19741  Chrysopsis villosa H. R. Leach 1958-9-12 s.n. Riverside Southern California; San Jacinto Mtn. 0 Comment
  RSA346265  Chrysothamnus paniculatus R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54040 Riverside San Bernardino Mts: White Water River, S of bridge, just W of Whitewater 396 Comment
  SEINET11841379  Chrysothamnus paniculatus O. F. Clarke 1969-1 s.n. Riverside near Whitewater on Hwy 111, 2 mi SE of junction with I-10 at Verbenia Ave Comment
  SEINET11860625  Chrysothamnus teretifolius S. B. Parish, Parish, W. F. 1889-11-2 455 Riverside Whitewater Comment
  GMDRC9800  Chylismia brevipes subsp. brevipes J. M. Andre 2017-3-1 38009 Riverside Eagle Mountains: south end of range, 2.8 mi. north of Interstate 10 at Hayfield Rd exit 506 Comment
  UC1004763  Chylismia claviformis subsp. aurantiaca Edmund C. Jaeger 1939-12-3 Riverside wash Orocopia Mts. 365 Comment
  CAS-BOT-BC289650  Cirsium occidentale var. californicum John Thomas Howell 1931-6-4 6645 Riverside Summit of Jackrabbit Trail Comment
  SD113208  Cirsium occidentale var. occidentale Darley F. Howe 1941-6-9 1114 Riverside San Jacinto Mountains 1525 Comment
  CAS-BOT-BC285737  Cirsium vulgare Scott D. White 1996-9-22 4537 Riverside Perris Basin, W Riverside Co. Perris: Nuevo Road near intersect. w/ Wilson Ave., W of the San Jacinto Riv crossing 435 Comment
  SD144144  Cladium californicum A. C. Sanders, P. MacKay, et al 1994-12-4 15878 Riverside Colorado desert; Salton Sea sink; Dos Palmas Oasis area; San Andres palm grove, 1.75 Km (1.1 miles) west south west of Rancho Dos Palmas, marked seep on Durmid 7.5' Quad. Comment
  SD152804  Clarkia bottae Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7339 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 366 Comment
  CAS-BOT-BC172108  Clarkia dudleyana Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  UCR274300  Clarkia purpurea T. B. Salvato, Melissa Clemons 2005-6-6 1410 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA692247  Clarkia purpurea subsp. quadrivulnera Scott D. White, Michael Honer 2003-5-27 9404 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  CAS-BOT-BC164762  Clarkia rhomboidea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  POM122431  Clarkia rhomboidea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA0035714  Clarkia rhomboidea Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 258 Riverside Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA615097  Claytonia parviflora subsp. parviflora D. L. Banks 1997-3-29 1582 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
  RSA585627  Claytonia perfoliata subsp. perfoliata D. L. Banks, Steve Boyd 1995-3-15 0062 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  UCD95596  Clematis ligusticifolia F. C. Vasek 1978-7-28 s.n. Riverside San Bernardino Mtns.: Cushenbury Springs. 1250 Comment
  SD80140  Clematis pauciflora Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 367 Riverside Deep Canyon south of Hwy 74, ca. 2 mi up water service road, below crossing; north slope Santa Rosa Mountains. 1310 Comment
  SEINET3075576 Image available Clematis pauciflora B. Pit, E. Misquez 1988-3-20 675 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi W of El Cariso Village, just across the highway from Ortega Parks Store. 549 Comment
  UCR107383  Clematis pauciflora B. G. Pitzer 1997-3-23 2959 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
  POM307241  Collinsia concolor Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2107 Riverside Santa Rosa Mountains. Comment
  RSA487448  Collinsia concolor Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  SDSU10586  Collinsia concolor Gerald Collier 1951-5-26 Riverside 15 miles E of Hemet on state hwy 74, 25 yards from road. San Jacinto Mtns. San Bernardino National Forest. Comment
  UCR28966  Collinsia concolor Melissa Luckow, R. Riggins 1982-4-15 827 Riverside Hwy 371, 1.2 mi north of the jct with Hwy 79 in Aguanga. Comment
  VVC2874  Collinsia concolor Tim Thomas, P. J. MacKay 2010-4-12 5027 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA543957  Collinsia heterophylla Steve D. Boyd, Orlando Mistretta 1991-5-9 6188 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  SBBG104074  Colubrina californica A. C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside within 0.5 mi of McCoy Spring, to the S above the spring and above for, ca. 200 m 243 Comment
  UC463076  Colubrina californica I. M. Johnston 1930-6-15 3788 Riverside n Mecca-Blythe road (in canyons at se end of mountains); Eagle Mts. Comment
  SEINET12211155  Colubrina californica W. Knight, Knight, I.; Waynon, K.; Vale, J. 1983-1 5515 Riverside Eagle Mountains, on Power Line Road 381 Comment
  SBBG104075  Condea emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12113 Riverside within 0.5 mi of McCoy Spring; slopes below and to the south and cyn bottom 243 Comment
  UCR48505  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UC1605397  Conyza canadensis Steve Boyd and Darin Banks 1994-9-29 8366 Riverside floodplain e dike along San Jacinto River (w of Sedco Hills community); Lake Elsinore 381 Comment
  UCR22091  Conyza canadensis Steve Boyd 1980-9-22 359 Riverside Gavilan Hills, Harford Springs County Park on the NW corner of the Gavilan plateau Comment
  UCR22020  Conyza coulteri Steve Boyd 1980-9-12 350 Riverside Gavilan Hills, Harford Springs County Park, located on the NW corner of the Gavilan plateau. Comment
  SEINET4676266  Cordylanthus filifolius Steve Boyd, Tim Ross 1992-6-10 7644 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 of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. Southeast side of potrero.; 0 671 Comment
  RSA713  Cordylanthus rigidus subsp. setiger J. T. Howell 1928-7-8 1052 Riverside Santa Ana Mountains above Glen Ivy. 1524 Comment
  JOTR34471  Coreopsis bigelovii Andre, Jim 2012-4-16 20954 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  POM4863  Coreopsis californica P. A. Munz 1918-4-27 2148 Riverside Near Corona. Comment
  UC1608247  Coreopsis californica var. californica Steve Boyd, Tim Ross, and Orlando Mistretta 1992-2-26 6701 Riverside on broad sandy bench near coordinates given Santa Ana Mountains, San Mateo Cyn. Wilderness Area (San Mateo Cyn from Fisherman's Camp downstream to confluence with Bluewater Cyn. T7S R5W sec.28-29) 304 Comment
  CAS-BOT-BC101302  Corethrogyne filaginifolia I. W. Clokey; E. G. Anderson 1935-8-21 6963 Riverside East of Keen Camp P.O. 1350 Comment
  CDA21779  Cosmos sulphureus Steve Boyd 1989-7-9 3778 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  UCR41815  Cotula australis A. C. Sanders 1986-4-13 6469 Riverside Riverside, Riverside, residential garden, 422 Campus View Drive 335 Comment
  RSA612818  Cotula australis D. L. Banks 1997-3-1 1351 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
  CAS-BOT-BC291361  Cotula coronopifolia Mrs. J. D. Abrams 1901-5-23 s.n. Riverside Elsinore Comment
  RSA192159A  Crassula aquatica E. W. Lathrop 1966-5-1 6241 -A Riverside 3 miles W of Murrieta. Santa Ana Mountains Comment
  UCR154548  Crassula aquatica Jason L. Hlebakos 2005-5-18 698 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  UCR281252  Crassula aquatica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 34 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  UCR155300  Crassula connata A. C. Sanders 2005-5-4 29849 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR214567  Crassula connata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37865 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR182510  Cressa truxillensis Mitch Provance 2005-5-17 6586 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR266332  Cressa truxillensis D. E. Bramlet 1992-5-15 2283 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  CAS-BOT-BC334202  Crinodendron patagua O. F. Clarke 2007-6-3 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  CAS-BOT-BC175810  Crossosoma bigelovii P. A. Munz 1935-4-8 13834 Riverside Sheephole Mts., southern Mojave Desert 1066 Comment
  CAS-BOT-BC175816  Crossosoma bigelovii John Thomas Howell 1928-3-11 3414 Riverside Along road between Morongo Valley and Coachella Valley Comment
  RSA397721  Crossosoma bigelovii Martha Hilend 1928-3-11 95 Riverside Morongo Pass, Colorado Desert region. Comment
  SD232668  Crossosoma bigelovii A. C. Sanders, K. Rose 1995-4-5 16349 Riverside San Bernardino Mtns. / Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 519 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
  RSA0034095  Croton californicus Duncan S. Bell 2013-1-30 4455 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  SD233275  Croton californicus Duncan S. Bell, Amber Swanson 2011-2-18 2025 Riverside Coachella Valley area: Edom Hill; along Edom Hill Road near dump. 0.6 miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR117094  Croton californicus A. C. Sanders, T. B. Salvato 2001-5-16 24292 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR121340  Croton californicus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25031 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR161014  Croton californicus Mark S. Brunell, M. Okada 1993-5-29 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs area, SW corner of Hwy 111 and Gene Autry Trail 104 Comment
  RSA776768  Croton californicus Amber Swanson 2011-4-8 380 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UCR161403  Croton setiger A. C. Sanders, Mike Misenhelter 2005-9-20 31675 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR60267  Croton setiger Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3688 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  JOTR35173  Crypsis schoenoides Harding, Mitzi, T. Herskovits 2011-9-14 161 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1301 Comment
  SD181767  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23082 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 miles southeast of Highway 74 on Twin Pines Ranch Road; Lake Fulmor 7.5' quad. At margins of dried pool. 1182 Comment
  RSA773183  Cryptantha Duncan S. Bell, Joy England 2010-5-27 1135 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1354 Comment
  RSA692206  Cryptantha angustifolia Scott D. White, Michael Honer 2003-5-14 9283 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  RSA733626  Cryptantha angustifolia Keith E. Hoffmaster 1935-3-31 565 Riverside Palm Springs Comment
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Aug 27 2011
  RSA778489  Cryptantha angustifolia Duncan S. Bell 2009-3-8 54 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA795929  Cryptantha angustifolia Duncan S. Bell 2009-4-20 301 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SBBG6240  Cryptantha angustifolia H. and M. Dearing 1938-3-5 1962 Riverside between Blythe and Desert Center Comment
  SEINET3152142  Cryptantha angustifolia S. B. Parish 1907-4-15 6158 Riverside Western base of the Colorado desert. 450 Comment
  SEINET241490  Cryptantha barbigera A. C. Sanders, Mitch Provance; T. B. Salvato 2001-4-6 23949 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic, N of flood ditc 347 Comment
  UC1563064  Cryptantha barbigera Steve Boyd, Thomas S. Elias, and Erika Winter 1986-2-18 1330 Riverside Box Canyon, along Hwy 195 Colorado Desert, Mecca Hills Comment
  UCR35183  Cryptantha circumscissa L. B. Ziegler 1972-6-12 481 Riverside San Jacinto Mtns,, Hemet (Garner) Valley. 1418 Comment
  UCR92342  Cryptantha corollata Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  RSA0079099  Cryptantha cycloptera Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4586 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA0079522  Cryptantha cycloptera A. C. Sanders, E. J. Lawlor 1992-4-4 12128 Riverside Colorado Desert. McCoy Mountains, within 0.5 mile of McCoy Spring. 244 Comment
  RSA550036  Cryptantha intermedia W. Wisura, A. King, L. Newcomb 1992-4-10 4671 Riverside Low Desert: Whitewater Road N of I10 Comment
  SBBG101725  Cryptantha intermedia S. Boyd, T. Ross, M. Hammitt 1991-5-2 60072 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SDSU12932  Cryptantha intermedia Jutta Buschbom 1991-6-3 26 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR162270  Cryptantha intermedia S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UCR162276  Cryptantha intermedia S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR64629  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan Plateau, Gavilan Mesa 700 Comment
  SDSU20600  Cryptantha intermedia var. intermedia Ronald B. Kelley 2006-3-26 1002 Riverside Temescal Valley west of I-15 on west side of frontage road in disturbed field between Indian Canyon Truck Road and Horsethief Canyon Road exits. 367 Comment
  JOTR35364  Cryptantha maritima Harding, Mitzi, M. Wheeler 2011-1-26 148 Riverside Joshua Tree National Park. West Coxcombs, north facing rocky slope (STOP3) 328 Comment
  RSA499627  Cryptantha maritima Robert Gustafson 1983-3-27 2488 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  UCR214429  Cryptantha maritima A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37496 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
  RSA704548  Cryptantha maritima var. pilosa LeRoy Gross 2005-3-3 1573 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UC24833  Cryptantha micrantha H. M. Hall 1901-6-24 Riverside Fuller's Mill, w side of San Jaicnto Mountains San Jacinto Mountains 1767 Comment
  UCR239198  Cryptantha micromeres Steven R. Hill, A. C. Sanders 2001-5-4 33726 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  UCR174386  Cryptantha muricata A. C. Sanders 2006-5-19 32414 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
  UCSB41275  Cryptantha muricata Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  RSA778236  Cryptantha nevadensis Duncan S. Bell 2009-3-8 41 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR52019  Cryptantha nevadensis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2138 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  JOTR33723  Cryptantha nevadensis var. nevadensis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2724 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  UCR214897  Cryptantha nevadensis var. nevadensis A. C. Sanders 2010-3-23 37530 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  SDSU18709  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 67 Riverside Joshua Tree National Park. North side of Split Rock. 1294 Comment
  RSA795976  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2009-4-19 293 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UC64404  Cryptantha simulans H. M. Hall 1901-6-1 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  RSA298979  Cucurbita palmata W. L. Jepson 1912-10-28 5234 Riverside Riverside Mtsn. 91 Comment
  RSA394344  Cucurbita palmata Anstruther Davidson 1904-5-1 1094 Riverside Palm Springs. Comment
  RSA544323  Cucurbita palmata Steve Boyd 1991-9-8 6431 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  CAS-BOT-BC224550  Cuscuta californica A. C. Sanders; Kerry Knudsen; T. B. Salvato 2004-5-18 27901 Riverside Peninsular Range: summit ridge of Alberhill Mountain, along dirt road 503 Comment
  RSA71010  Cuscuta californica F. W. Peirson 1921-4-13 2399 Riverside Deep Canyon; north base of Santa Rosa Mountains, Riverside. 152 Comment
  CAS-BOT-BC224607  Cuscuta californica var. papillosa Milo S. Baker 1928-4-3 2796 a Riverside Palm Canon [Canyon] Comment
  SEINET13276696 Image available Cuscuta californica var. papillosa Mitch Provance 2012-1 712 -05 Riverside Colorado Desert: Thousand Palms Canyon Road, +-2/3 of the way up into the canyon. (Myoma 7.5' Q.) 140 Comment
  SEINET4604333 Image available Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio 760 Comment
  RSA0031143  Cylindropuntia chuckwallensis Marc Baker, Michelle Cloud-Hughes 2013-3-20 17720 .2 Riverside 800m south of Smoke Tree Wash, 5.5km north of Cottonwood Spring, 40km NE of Indio. UTM datum in NAD83. Lat-Long datum in WGS84. 940 Comment
  SEINET11038799  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18297 .1 Riverside Chuckwalla Mountains: 4.1 km WNW of Corn Spring, NE of Aztec Well, 71 km west of central Blyth. Corn Springs 7.5 834 Comment
  RSA303532  Cylindropuntia echinocarpa J. R. Shevock 1972-3-13 1405 Riverside Palm Springs. 183 Comment
  POM178579  Cymopterus panamintensis var. acutifolius Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  POM228884  Cymopterus panamintensis var. acutifolius A. M. Alexander, Louise Kellogg 1941-5-26 2239 Riverside Colorado Desert: altitude 3200 feet, Monsen [Munsen] Canyon, Eagle Mountains. 976 Comment
  RSA599109  Cynodon dactylon V. W. Steinmann 1996-4-13 830 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  CAS-BOT-BC114719  Cyperus difformis Beecher Crampton 2000-6-24 2059 Riverside Riverside: Santa Ana River Wash, between the Market St bridge and the 60 Fwy. 224 Comment
  UCR211701  Cyperus difformis Fred M. Roberts, Michelle Balk 2006-8-24 6402 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  POM10323  Cyperus esculentus Anonymous s.n. Riverside Below West Riverside bridge. Comment
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Mar 15 2014
  UCR207810  Cyperus esculentus O. F. Clarke 2004-7-7 s.n. Riverside San Bernardino Valley Region, Riverside, Victoria Ave. bridge at Arroyo Tequesquite 262 Comment
  UCR60752  Cyperus odoratus Bill Wagner 1989-11-28 s.n. Riverside Peninsular Range, c. 1 mi west of Santa Margarita River, 3-4 mi south of Temecula. Comment
  POM12678  Cyperus squarrosus Phillip A. Munz 1922-9-6 6382 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  UCR35296  Cyperus squarrosus L. B. Ziegler 1969-7-30 388 Riverside San Jacinto Mountains, Hemet Valley. Hemet Lake. 1341 Comment
  POM9800  Cystopteris fragilis E. C. Jaeger 1921-6-15 274 Riverside San Jacinto Mountains: below Round Valley. Comment
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Nov 19 2011
  RSA404177  Dalea mollis Christopher Davidson 1979-4-4 7708 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA727004  Dasyochloa pulchella Naomi Fraga, Lisa Rojas 2005-2-10 1407 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCD65761  Dasyochloa pulchella F. W. Peirson 1920-2-16 1546 Riverside arm of Colorado Desert south of Palm Springs, Garden of Eden. Comment
  RSA13808  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside Near Santa Rosa. Santa Rosa Mountains 1829 Comment
  SD11890  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside Santa Rosa Mts, near Santa Rosa 1830 Comment
  CLARK-A1528-4341  Datura discolor John C. Roos 1965-11-6 Riverside Colorado Desert Comment
  UC724162  Datura discolor Aven and Ruth Nelson 1939-3-28 3299 Riverside s. Mecca (on State Hwy. 111) Comment
  VVC5  Daucus pusillus A. C. Sanders, J. Mac 1997-5-4 20684 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  UC76428  Deinandra kelloggii Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  CAS-BOT-BC414252  Deinandra paniculata R. E. Riefner, Jr. 2014-6-1 14 -140 Riverside Northeast of Norco, E of Eastvale, Community of La Sierra, Hidden Valley Wildlife Area, Santa Ana River Trail, ca. 0.6 mi N of Arlington Ave. 205 Comment
  RSA525676  Delphinium parryi Steve Boyd 1990-5-3 4548 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR281118  Delphinium patens subsp. montanum Mitch Provance 2017-5-10 517- 98 Riverside San Bernardino Mountains, Banning Canyon, along Banning Canyon Rd. (FS Route 2S01), S side of San Gorgonio River, 1 mile N of Roan Pk. 1277 Comment
  RSA0036467  Dendromecon rigida J. M. Andre 2012-6-15 30506 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA0086776  Dendromecon rigida R. G. Swinney 1967-5-26 11733 Riverside Snow Creek. 335 Comment
  SD186274  Dendromecon rigida A. C. Sanders, T. B. Salvato 2004-2-16 27394 Riverside Foothills at edge of Temescal Valleyu, summit of ridge proposed for removal at development called Trilogy at Glen Ivy, south of Brown Canyon. 480 Comment
  RSA557346  Deschampsia danthonioides Julie Greene 1993-5-12 1305 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  CAS-BOT-BC39733  Descurainia adenophora H. M. Hall 1901-6-1 2623 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley. 1828 Comment
  UC489085  Descurainia obtusa subsp. adenophora C. V. Meyer 1928-7-26 522 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  UC61034  Descurainia obtusa subsp. adenophora unknown Aug 1901 4520 Riverside Strawberry Valley; San Jacinto Mts. Comment
  UCR59506  Descurainia sophia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3243 Riverside Peninsular Range, Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 488 Comment
  CSUSB964  Dicentra chrysantha Richard Sayre 1972-5-7 Riverside Santa Rosa Road 7 miles from Murietta. Comment
  SEINET3208887  Dicentra chrysantha G. Goodwin 2012-6-14 3442 Riverside San Jacinto Mountains, 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  JOTR37060  Dichelostemma capitatum subsp. capitatum La Doux, Tasha, M. Harding, J. Heintz, D. Thomas 2015-4-23 3546 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north of Eureka Peak road; along northward corridor with California Riding and Hiking Trail, sandy wash bottom with steep granite rocky slopes Comment
  RSA367468  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 2957 Riverside 4 miles south of Banning. Comment
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Mar 16 2014
  UCR16307  Dichelostemma capitatum subsp. capitatum B. A. Beebe 1970-4-11 15 Riverside Peninsular Range; San Jacinto Mtns,, north bank of the San Jacinto River, c. 1 mi upstream from its junction with the North Fork 854 Comment
  RSA524231  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4025 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  OBI16616  Dicoria canescens P. A. Holden 1968-11-24 612 Riverside W Coachella Valley. Found on hwy 111 just W of Palm Springs Comment
  RSA643434  Dicoria canescens R. D. Goeden, D. W. Ricker 1985-10-12 s.n. Riverside Sonoran Desert: ca. 7 mi. S of Granite Pass, west side of Desert Center-Rice Road (Hwy 177), 21.8 miles north of Desert Center, 5.1 miles south of junction with Highway 62 (West of Palen Pass 7.5' Q.) 285 Comment
  RSA696747  Dicoria canescens J. Russell Bruff 1927-10-8 1 -H Riverside Thousand Palms Comment
  POM259193  Dieteria canescens var. ziegleri P. A. Munz 1938-8-13 15332 Riverside Near Santa Rosa Peak 2317 Comment
  UCR277403  Dimorphotheca sinuata Anonymous 1942-4-26 s.n. Riverside Palm Springs 183 Comment
  UCR72460  Dimorphotheca sinuata Michael A. Patten 1992-5-28 92- 14 Riverside Peninsular Range, just east of Temecula, between Pauba Rd on the north & DePortola Rd on the south, the W boundary of site adjacent to Butterfield Stage Rd; property extending east c. 3400 ft. 366 Comment
  RSA0019406  Diplacus fremontii Mary F. Spencer 1921-6-16 375 Riverside Near Idyllwild, San Jacinto Mountains 1616 Comment
  CAS-BOT-BC150674  Diplacus longiflorus P. C. Everett 1945-6-7 11500 Riverside Santa Ana Mts., Indian Canyon, along Indian Canyon Truck Trail 640 Comment
  RSA562484  Distichlis spicata Steve Boyd, Timothy S. Ross 1992-5-5 7252 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  UCD64452  Distichlis spicata H. S. Yates 1936-4-7 5437 Riverside Willis Palms. 243 Comment
  UCR116656  Distichlis spicata A. C. Sanders, Carolyn Washburn 2001-5-10 24244 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  UCR274543  Distichlis spicata Mitch Provance, Ken Halama 2003-6-15 17059 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  CLARK-A1528-2693  Ditaxis lanceolata John C. Roos 1940-3-30 894 Riverside Whitewater Comment
  JEPS52439  Ditaxis lanceolata W. L. Jepson 1927-4-12 11669 Riverside n. of Mecca (Painted Canyon); Colorado Desert, Painted Canyon 76 Comment
  RSA677301  Ditaxis lanceolata Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  UCR260229  Ditaxis lanceolata A. C. Sanders, Jim Malusa 2015-3-11 41405 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  RSA765262  Ditaxis serrata Justin M. Wood, D. M. Ray 2010-10-21 3000 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  RSA0002643  Ditaxis serrata var. californica H. M. Hall 1905-04 5796 Riverside Marshall Canon, 7 miles west of Coachella. (north base of El Toro Mountain, not on label from Zoe) 30 Comment
  POM13618  Ditaxis serrata var. serrata E. C. Jaeger 1921-3-15 44 Riverside Between Corn Springs and Gruendyke's Well [Desert Center]. Lower Sonoran Zone. Comment
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Apr 5 2011
  CAS-BOT-BC43657  Dithyrea californica Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Comment
  CHSC35475  Dithyrea californica James Henrickson 1973-3-18 8619 Riverside Ca 37 (air) miles E of Temecula, 9 miles SE of Terwilliger, 3 miles N of San Diego Co. 731 Comment
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Jun 23 2013
  CSUSB521  Dithyrea californica Grace Sprague 1968-4-29 S. N. Riverside Highway 111, 5 miles north of Palm Springs where San Jacinto Mountains near the road; on the sand dune of creosote bush scrub. Comment
  RSA340181  Dithyrea californica R. F. Thorne 1980-5-28 54185 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  UC572414  Dithyrea californica H. S. Yates 1937-3-23 6406 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  SEINET5342919  Dithyrea californica E. Neese 1979-4-10 7065 Riverside Joshua Tree Nat. Mon. s of Twenty-Nine Palms, between Pinto Basin jct and Cottonwood Wash. 305 Comment
  RSA753813A  Dodecahema leptoceras D. Volgarino 1995-6-12 s.n. Riverside Dripping Springs. Comment
  RSA785963  Dodecatheon jeffreyi J. D. Olmsted 1959-7-1 726 Riverside Fork near but north of Deer Springs (as at Deer Springs); 5 mi. north of Idyllwild 2652 Comment
  CAS-BOT-BC129968  Dodecatheon redolens Edmund C. Jaeger 1921-7-13 95 Riverside Deer Springs Meadow, San Jacinto Mts. 2712 Comment
  UCR12558  Downingia bella Emily E. McGregor 1972-4-30 s.n. Riverside Peninsular Range, 0.5 mi west of Tenaja Station, Tenaja Rd. (6S08). Comment
  CLARK-A1045-179  Downingia cuspidata George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  POM492  Draba cuneifolia var. integrifolia H. M. Hall 1903-04 3804 Riverside Vicinity of Riverside 610 Comment
  POM12885  Draba saxosa P. A. Munz 1922-7-7 6043 Riverside Summit of San Jacinto Peak. 3287 Comment
  RSA530891  Draba saxosa Albert J. Perkins 1917-7-19 s.n. Riverside Summit San Jacinto Pk. 3293 Comment
  RSA85439  Dryopteris arguta J. C. Roos 1952-4-13 5519 Riverside Box Springs Mts. 518 Comment
  RSA708016  Dudleya edulis Scott D. White, Jennifer H. Jones 2005-7-5 11151 Riverside Santa Ana Mountains: Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. 335 Comment
  UCR174380  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32628 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR209225  Dudleya lanceolata R. G. Swinney 1969-5-18 476 Riverside San Bernardino Mtns., Whitewater Canyon 640 Comment
  UCR37492  Dudleya multicaulis Steve Boyd 1981-5-8 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mountain. 823 Comment
  UCR251651  Dudleya saxosa subsp. aloides Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1252 Riverside San Bernardino Mtns., Haugen-Lehmann Way off I-10, Pacific Crest Trail (PCT) in canyon directly west of Whitewater 675 Comment
  UCR92277  Echinochloa crus-galli Scott D. White, S. Ogg 1994-10-17 2498 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  SEINET270227 Image available Ehrharta erecta A. C. Sanders, O. F. Clarke 1996-2-17 17952 Riverside Residence of O.F. Clarke 1012 Spruce Street 305 Comment
  CAS-BOT-BC414249  Eichhornia crassipes R. E. Riefner, Jr. 2011-10-16 11 -145 Riverside City of Lake Elsinore, W of Hwy 74, S side of Temescal Wash, N side of Baker St., vicinity of Bromley Ave. at Baker St. 380 Comment
  UCR25217  Elatine brachysperma John C. Roos 1937-8-18 2538 Riverside San Jacinto Mtns, Hidden Lake Comment
  RSA356752  Elatine californica R. F. Thorne 1973-5-23 45540 Riverside Santa Rosa Plateau-Mesa De Colorado. 609 Comment
  RSA192161  Elatine chilensis E. W. Lathrop 1966-5-1 6243 Riverside 3 miles W of Murrieta. Comment
  UC1755  Eleocharis bella H. M. Hall Jun 1901 2232 Riverside Onstatts Valley San Jacino Mountains 1524 Comment
  CAS-BOT-BC112732  Eleocharis geniculata Samuel B. Parish 1882-4-1 1160 Riverside Agua Caliente (Palm Springs) Comment
  RSA768246  Eleocharis palustris Justin M. Wood 2010-5-19 1844 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  CAS-BOT-BC221837  Eleusine indica J. C. Roos; E. C. Jaeger 1952-10-8 5899 Riverside Riverside 259 Comment
  CAS-BOT-BC203836  Elymus X hansenii J. C. Roos 1952-6-13 5765 Riverside Reche Canyon 457 Comment
  UCR89479  Elymus condensatus Steve Boyd, T. S. Ross, J. T. Columbus 1993-10-23 8196 A Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02) 878 Comment
  UC38220  Elymus elymoides subsp. elymoides H. M. Hall June, 1901 2073 Riverside vicinity of Chalk Hill San Jacinto Mountains (s slopes) 1524 Comment
  RSA192306  Elymus glaucus subsp. glaucus E. W. Lathrop 1966-4-13 6173 Riverside 3.0 miles SW of Murrieta. Comment
  UCR20885  Elymus hispidus A. C. Sanders 1978-7-3 622 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UCSB5253  Emmenanthe penduliflora Sage, Paul 1958-3-21 Riverside In Whitewater Canyon, east side of wash, off road up canyon 1.6 mi. from its jct. with U.S. 60 426 Comment
  JOTR34010  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding 2010-4-7 2898 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA679112  Emmenanthe penduliflora var. penduliflora M. Wall, Sean Wall 2003-4-26 307 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. Comment
  POM12006  Encelia actoni Mary F. Spencer 1921-7-16 1188 Riverside In canyon near San Jacinto. Comment
  POM262947  Encelia actoni J. C. Roos 1941-5-10 s.n. Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  RSA33587  Encelia actoni Norman C. Cooper 1944-5-21 1226 Riverside Hemet. 549 Comment
  UC101061  Encelia actoni Dr. R. J. Smith 1904-1-1 302 Riverside Cabezon Comment
  UC31391  Encelia actoni Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Southern California, San Jacinto Valley Comment
  UCR154633  Encelia actoni A. C. Sanders, Mike Misenhelter 2005-6-15 30995 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
  UCR101340  Encelia californica A. C. Sanders, N. Ferguson 1997-3-20 20066 Riverside Riverside area, March Air Force Base, west of Hwy 215 at west end of Cactus Ave., vicinity of former weapons storage facility 518 Comment
  CAS-BOT-BC131325  Encelia farinosa Peter H. Raven 1958-1-23 11413 Riverside 2.7 miles west of Whitewater Post Office Comment
  CAS-BOT-BC131339  Encelia farinosa Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  SEINET2054751 Image available Encelia farinosa Helen Kennedy, T. B. Salvato 2002-2-2 5452 Riverside Western Colorado Desert: Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec 2. 195 Comment
  UCR138725  Encelia farinosa Julie A. Greene 1993-4-10 1129 Riverside San Jacinto Wildlife Area 476 Comment
  UCR34969  Encelia farinosa L. B. Ziegler 1976-5-20 547 Riverside San Jacinto Mtns, Potrero Creek (Massacre Canyon), lower canyon below falls. 457 Comment
  RSA38703  Encelia farinosa var. farinosa Percy C. Everett 1945-6-7 11507 Riverside Roadside on dry gentle slope in Franciscan sand stone, Santa Ana Mts, Indian Canyon, 0.5 miles above US Forest Service gate on Indian Canyon True. 457 Comment
  SEINET9357623  Encelia virginensis var. actoni Unknown 1936-12-22 Riverside Riverside Comment
  LA6775  Ephedra californica LeRoy Abrams; 1903-4-6 3204 Riverside Palm Springs Comment
  RSA735322  Ephedra californica Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11260 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
  SDSU3630  Ephedra nevadensis A. H. Gallup 1949-3-28 359 Riverside South slope, Palms to Pines Hwy. above Desert Center, San Jacinto Mt. Range 762 Comment
  UC56666  Ephedra nevadensis H. M. Hall 1901-5-1 1881 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); Colorado Desert, San Jacinto Mountains Comment
  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
  RSA787213  Epilobium angustifolium J. D. Olmsted 1959-7-18 766 Riverside N. fk. San Jacinto River drainage area. Dark Canyon above Hwy from Banning to Idyllwild (0.25 mi). 1723 Comment
  UCR93035  Epilobium brachycarpum Steve Boyd, D. L. Banks 1994-9-29 8371 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  SEINET12535812  Epilobium brachycarpum H. M. Hall s.n. Riverside South side 1615 Comment
  UCR106921  Epilobium canum D. L. Banks, Lauren Raz 1996-11-5 1167 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, ESE of San Gabriel Church; along floodplain of the southern fork of Pechanga Creek. 415 Comment
  UCR35213  Epilobium canum L. B. Ziegler 1967-8-30 233 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  CAS-BOT-BC171731  Epilobium canum subsp. latifolium Francis M. Fultz 1917-1-1 s.n. Riverside Idlewyld, San Jacinto Mts. Comment
  CAS-BOT-BC171745  Epilobium canum subsp. latifolium Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley 1524 Comment
  POM12415  Epilobium canum subsp. latifolium P. A. Munz 1922-9-5 6363 Riverside Strawberry Valley, north end. 1677 Comment
  UCR39542  Epilobium ciliatum A. C. Sanders 1980-8-23 1748 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  POM122523  Epilobium ciliatum subsp. ciliatum Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
  RSA740927  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-9 12427 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
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Sep 27 2009
  POM157890  Epilobium pygmaeum P. A. Munz 1927-5-20 10802 Riverside Murrieta Hot Springs. Comment
  RSA561120  Epipactis gigantea Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-12 7315 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
  UCR116955  Eragrostis A. C. Sanders, T. B. Salvato 2001-5-3 24114 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR201870  Eragrostis cilianensis Justin M. Wood 2008-9-30 181 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCD63544  Eragrostis mexicana subsp. virescens Malcolm A. Nobs; S. Galen Smith 1948-9-3 487 Riverside Citrus grove, 2 miles north of Indio. Comment
  RSA28057  Eremalche exilis I. L. Wiggins 1941-3-27 9685 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  CHSC1041  Eremalche rotundifolia V. Holt 1935-4-16 Riverside E. Colorado Desert. Comment
  OBI8351  Eremalche rotundifolia David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12058 Riverside Along Box Cyn Rd, ca 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  RSA432712  Eremalche rotundifolia Christopher Davidson 1979-4-4 7721 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR75055  Eremalche rotundifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12094 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SBBG18982  Eremocarya lepida M. A. Piehl 1963-6-2 63545 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  UCSB4377  Eremothera boothii subsp. condensata Krogen, Roger 1957-1 Riverside Under bridge 26 mi. E of Indio on HYW 60-70 Comment
  RSA00105462  Eriastrum densifolium subsp. austromontanum C. W. Tilforth, Jeff Barnes 1976-8-21 1222 Riverside 0.5 miles north of Idyllwild 1524 Comment
  UCR130710  Eriastrum eremicum subsp. eremicum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4076 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
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Nov 13 2018
  CAS-BOT-BC514462  Eriastrum eremicum subsp. eremicum Mr. May 1914-3-1 s.n. Riverside May Comment
  SDSU3049  Eriastrum sapphirinum A. H. Gallup 1948-6-12 223 Riverside San Jacinto Mt. Road from the town of San Jacinto. 823 Comment
  UCR140741  Eriastrum sapphirinum A. C. Sanders 2004-5-11 27852 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR87645  Eriastrum sapphirinum A. C. Sanders 1994-5-29 14551 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  RSA0121559  Eriastrum sapphirinum subsp. dasyanthum Scott D. White 1997-5-25 5231 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  UCR261867  Eriastrum sapphirinum subsp. dasyanthum Tim Thomas, J. Vollmar 2014-5-9 6307 Riverside Banning Pass; San Gorgonio River channel on south side of I-10 627 Comment
  POM359341  Ericameria cuneata Albert J. Perkins 1916-9-3 s.n. Riverside Near Lily Rock - Tahquitz Mt, San Jacinto Mts. Comment
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Sep 3 2011
  CAS-BOT-BC287637  Ericameria linearifolia C. B. Wolf 1931-5-11 1951 Riverside Ridges above Pipe Creek, above Hemet Valley, San Jacinto Mts 1676 Comment
  JOTR34130  Ericameria linearifolia Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21091 Riverside Joshua Tree National Park. Long Canyon, upper watershed on east ridge, 1.1 miles south of radio tower, approx. 6 mi. south of town center of Yucca Valley 1206 Comment
  UCR197055  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2008-9-27 36109 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  UCR250910  Ericameria palmeri var. pachylepis A. C. Sanders 2014-4-18 41027 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  UC894829  Ericameria paniculata Carl B. Wolf 1932-10-13 Riverside 0.5 mi before reaching Cottonwood Springs; Colorado Desert, Eagle Mts. 289 Comment
  UCR58455  Ericameria pinifolia George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns, N slope of Thomas Mtn, 1 mi. SW of Hwy 74 on Thomas Mtn Road 1500 Comment
  JOTR31168  Erigeron breweri var. covillei La Doux, Tasha 2009-6-3 1873 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  SBBG54332  Erigeron divergens C. Davidson 1978-6-15 7379 Riverside rd from Hwy 74 to Santa Rosa Mtn, ca. 2 mi W of jct to Santa Rosa Springs Cmpgrd 2087 Comment
  POM15211  Erigeron foliosus Mary F. Spencer 1922-6-21 1598 Riverside Fern Valley, Idyllwild, San Jacinto Mt 1829 Comment
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May 29 2011
  POM187411  Erigeron foliosus L. Crutcher 1933-8-2 s.n. Riverside Camp Tahquitz, San Jacinto Mountains. Comment
  RSA655046  Erigeron foliosus Scott D. White 1999-6-6 7439 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  UCR202018  Erigeron foliosus 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
  CAS-BOT-BC296243  Erigeron foliosus var. foliosus Mary F. Spencer 1919-6-25 1269 Riverside San Jacinto Mts. 1615 Comment
  SDSU13546  Erigeron foliosus var. foliosus W. Miller, C. Mosse 1972-7-11 Riverside Roadside 150 yards east of dam by road. Comment
  CLARK-A1528-2968  Eriodictyon californicum John C. Roos 1947-3-15 3340 Riverside San Jacinto Mountains 609 Comment
  UC501499  Eriodictyon crassifolium D. A. Johansen and J. A. Ewan 1932-4-10 7091 Riverside mouth of Tahquitz Canyon; western Colorado Desert, mouth of Tahquitz Canyon Comment
  JEPS39  Eriodictyon crassifolium var. crassifolium W. L. Jepson 1939-4-15 19213 Riverside about 9 mi westerly from Aguanga (Dripping Spring, (westerly from Nigger Valley about 3 mi)); Dripping Spring Comment
  UC455939  Eriodictyon crassifolium var. crassifolium F. M. Reed 1905-7-4 813 Riverside Coldwater Canyon [Santa Ana Mtns., near Glen Ivy] Comment
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May 22 2012
  JOTR16711  Eriodictyon trichocalyx var. trichocalyx Hogan, J. 1974-6-24 77 Riverside Joshua Tree National Park. 1.5 MILES WEST OF EUREKA PEAK 1554 Comment
  HSC80074  Eriogonum apiculatum Dave Goodward 1985-9-29 Riverside San Jacinto Mtns. edge of Soboba Burn, rim of Hall Canyon above UC James Reserve 1677 Comment
  POM161552  Eriogonum apiculatum Ralph Hoffmann 1929-9-5 s.n. Riverside Strawberry Valley. 2134 Comment
  RSA65230  Eriogonum apiculatum F. W. Peirson 1924-7-29 5026 Riverside Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. 1677 Comment
  JOTR16810  Eriogonum davidsonii Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  UC6238  Eriogonum davidsonii H. M. Hall June, 1901 2088 Riverside vicinity of Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR102432  Eriogonum davidsonii G. R. Ballmer 1991-8-11 s.n. Riverside Santa Rosa Mountains, Santa Rosa Mountain Rd. (Truck Trail going up Santa Rosa Mountain), at the junction with Hwy 74. west of Deep Canyon Comment
  JEPS35731  Eriogonum deflexum var. deflexum Marjorie D. Clary 1932-5-8 1093 Riverside Beal to Wiley Well; Colorado Desert, Chocolate Mts. 152 Comment
  RSA393274  Eriogonum deflexum var. deflexum J. A. Comstock 1942-5-31 644 Riverside Desert Center. Comment
  UC667354  Eriogonum deflexum var. deflexum Annie M. Alexander and Louise Kellogg 1941-5-15 2187 Riverside n base of Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  SEINET7907887  Eriogonum fasciculatum D. A. Johnson 2005-1 Riverside 1 mi e of ca 74 on River Rd between Perris & Lake Elsinore 488 Comment
  JOTR32459  Eriogonum fasciculatum var. flavoviride La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2605 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  POM123086  Eriogonum fasciculatum var. foliolosum Marcus E. Jones 1890-5-23 s.n. Riverside Riverside. Comment
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May 22 2012
  RSA569010  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-6-17 1410 Riverside Banning. 701 Comment
  RSA650852  Eriogonum fasciculatum var. foliolosum William Wilson 1948-2-14 s.n. Riverside 11 miles SE Hemet. 549 Comment
  UCR260541  Eriogonum fasciculatum var. foliolosum T. B. Salvato 2014-5-29 8040 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  CAS-BOT-BC250133  Eriogonum fasciculatum var. polifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  POM13996  Eriogonum fasciculatum var. polifolium P. A. Munz, D. D. Keck 1922-4-9 4887 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
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Jun 9 2011
  POM2235  Eriogonum fasciculatum var. polifolium I. M. Johnston 1917-6-5 1240 Riverside Hills south of Arlington 366 Comment
  RSA181273  Eriogonum fasciculatum var. polifolium John H. Thomas 1949-4-24 s.n. Riverside 2 miles east of Whitewater, between Banning and Indio. Comment
  SD229224  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer 2012-10-16 926 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  SBBG28192  Eriogonum gracile I. W. Clokey 1935-8-21 6593 Riverside Hemet Lake 1300 Comment
  UC56798  Eriogonum gracile E. A. Zumbo Oct, 1902 364 Riverside Riverside Comment
  UC6312  Eriogonum gracile A. J. McClatchie May 1892 48 Riverside near Elsinore Comment
  POM153371  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1928-9-12 11255 Riverside Temescal Canyon. Comment
  RSA588189  Eriogonum gracile var. gracile D. L. Banks, Victor W. Steinmann 1995-7-10 754 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage N of the peak ''Agua. 1000 Comment
  RSA759113  Eriogonum gracile var. incultum Robt. Allen, Linnell R. Allen 2008-7-27 s.n. Riverside Santa Ana Mtns, South Main Divide Road, 5.0 road miles SE of junction with Ortega Hwy (SR74). 938 Comment
  CAS-BOT-BC257585  Eriogonum inflatum E. A. McGregor 1917-3-18 728 Riverside Colorado Desert. 4 mi up Painted Canon [Canyon] Comment
  RSA698434  Eriogonum inflatum J. R. Bruff 1927-10-8 1 -L Riverside Thousand Palms. Comment
  RSA698435  Eriogonum inflatum Unspecified s.n. Riverside Indio. Comment
  UCR148292  Eriogonum inflatum 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
  RSA0107471  Eriogonum inflatum var. deflatum Duncan S. Bell, Amanda Turek 2009-3-29 153 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  CAS-BOT-BC263116  Eriogonum maculatum H. M. Hall 1899-6-1 1268 Riverside San Antonio Mountains. North side 1828 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
  JOTR16816  Eriogonum nidularium Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA VICINITY RANGER STATION 1310 Comment
  OBI11013  Eriogonum nodosum var. jaegeri Robert F. Hoover 1966-10-15 10177 Riverside Bighorn Dr, San Jacinto Mts Comment
  POM13396  Eriogonum nudum var. pauciflorum E. C. Jaeger 1922-8-22 1018 Riverside Long Valley 2683 Comment
  RSA766362  Eriogonum nudum var. pauciflorum Joseph A. Ewan 1928-8-30 1499 Riverside Tahquitz Peak Trail, San Jacinto Mts. 2012 Comment
  CLARK-A1045-122  Eriogonum pusillum George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  JOTR30958  Eriogonum pusillum La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1933 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA64583  Eriogonum pusillum F. W. Peirson 1928-4-24 7912 Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  CAS-BOT-BC253015  Eriogonum reniforme Annie M. Alexander; Louise Kellogg 1941-5-28 2261 Riverside Metropolitan Aqueduct Road, east of Hayfield Comment
  POM122078  Eriogonum reniforme Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  CAS-BOT-BC263502  Eriogonum thomasii Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9573 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  CAS-BOT-BC263517  Eriogonum thomasii H. M. Hall 1905-4-1 5812 Riverside 10 miles west of Coachella 152 Comment
  RSA519021  Eriogonum thomasii George K. Helmkamp 1986-4-7 761 Riverside South of Morongo Valley: First canyon east of and parallel to Hwy 62 north of Indian Ave. B.M. land. 579 Comment
  RSA64621  Eriogonum thomasii F. W. Peirson 1926-1-31 6490 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  SJSU8836  Eriogonum thomasii R. C. McGehee 1970-4-15 196 Riverside Wileys Well c. 26 mi SW of Blythe Comment
  UC68585  Eriogonum trichopes L. A. Greata April 1905 389 Riverside Coachella Colorado Desert, Coachella Comment
  CAS-BOT-BC268189  Eriogonum umbellatum var. munzii Frank W. Peirson 1924-7-28 5014 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  CAS-BOT-BC264924  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-3 181 Riverside Strawberry valley, San Jacinto Mts. 1584 Comment
  JEPS56121  Eriogonum wrightii var. nodosum Marjorie D. Clary 1932-12-13 771 Riverside 15 mi nw Indio (base of mountains in Deep Canyon); Colorado Desert, Deep Canyon 304 Comment
  UCR14059  Eriogonum wrightii var. nodosum O. F. Clarke 1973-10-14 s.n. Riverside San Jacinto Mtns., 1 mi east of Pinyon Flats Campground in the San Jacinto Mtns. Comment
  POM160097  Eriophyllum ambiguum var. paleaceum E. C. Jaeger 1927-3-23 s.n. Riverside Travertine Point [Travertine Rock?], Colo. Desert. Comment
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Nov 24 2016
  UC62976  Eriophyllum ambiguum var. paleaceum S. B. Parish Apr 1 1896-Apr 10 1896 Riverside Palm Spring Colorado Desert, Palm Spring Comment
  CAS-BOT-BC297342  Eriophyllum confertiflorum H. K. Wagnon 1944-5-30 415 Riverside By Tahquitz Creek, Palm Springs Comment
  RSA0071986  Eriophyllum confertiflorum var. confertiflorum J. M. Andre 2012-6-15 30509 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  UC1292309  Eriophyllum confertiflorum var. confertiflorum C. L. Hitchcock and C. V. Muhlick 1964-3-17 23106 Riverside 10 mi n Pala (on road to Elsinore) Comment
  UC729972  Eriophyllum confertiflorum var. confertiflorum Carl B. Wolf 1932-5-25 Riverside 0.25 mi sw Summit of Moreno Grade (sw of Beaumont); Bad Lands 670 Comment
  SEINET8753414 Image available Eriophyllum confertiflorum var. trifidum Norman C. Cooper 1944-1 1185 Riverside Banning 701 Comment
  POM358078  Eriophyllum multicaule B. C. Templeton 1931-4-23 s.n. Riverside Gavilan Peak. 600 Comment
  UCR126441  Eriophyllum multicaule T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 69 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  CAS-BOT-BC308381  Eriophyllum pringlei N. Aitkenhead 1977-2-2 60062 A Riverside One mile from junction of Joshua T. M road and pipeline Comment
  RSA282762  Eriophyllum wallacei C. W. Tilforth, B. Busenberg 1980-6-10 1984 Riverside 1.9 miles in from Hwy 74 on N leg of Thomas Mtn Raod, 1 mile S of Lake Hemet. 1494 Comment
  RSA50326  Eriophyllum wallacei E. K. Balls 1949-5-4 13487 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1371 Comment
  UCR244439  Eriophyllum wallacei Jim Andre 2012-4-16 20940 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
  UCSB9200  Eriophyllum wallacei Beeks, Richard 1952-4-4 Riverside U.S. 99, opposite Twenty Nine Palms turnoff Comment
  SDSU13540  Erodium botrys W. Miller with C. Mosse 1972-7-20 Riverside South border by Royal Oak Ranch, next to road. Comment
  UCR167074  Erodium botrys Scott D. White 2005-3-29 10846 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
  RSA702733  Erodium brachycarpum Scott D. White, Michael Honer 2004-4-6 10055 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR149781  Erodium brachycarpum Scott D. White, Michael Honer 2004-4-6 10055 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  CHSC114145  Erodium cicutarium Dave Silverman; Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 320 m S of E. Westward Ave. S end of gravel pit. UTM Zone 11 0514495 E 3752752N. NE1/4 of Sec 14. 628 Comment
  JOTR31910  Erodium cicutarium La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2156 Riverside Joshua Tree National Park. North Hexie Mountains; sandy pediment bajada surrounding granitic outcrops near Stirrup Tank parking lot Comment
  RSA772133  Erodium cicutarium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4861 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  UCR100442  Erodium cicutarium B. G. Pitzer 1997-4-20 3206 Riverside Lakeview Mtns, Approximately 50 ft. east of intersection of Stagecoach Road with Juniper Flat Road. 534 Comment
  RSA614122  Erodium cicutarium D. L. Banks 1997-2-23 1289 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
  RSA543135  Erodium macrophyllum Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6124 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  UCR173930  Erodium macrophyllum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32566 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SEINET10895417  Erodium moschatum Nye Leith, Greg Gust 2005-3-11 Nye 60 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR91437  Erodium moschatum Scott D. White 1995-3-30 2633 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  RSA0009847  Erodium texanum Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  CAS-BOT-BC54340  Erysimum capitatum Steve Boyd; C. Boyd; K. Boyd; R. Noyes; L. Arnseth 1988-5-28 2265 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1700 Comment
  SD135326  Erythranthe rubella Craig Reiser, Dylan Hannon 1993-5-30 Riverside Santa Rosa Peak, north slope Comment
  RSA0014889  Erythranthe tilingii P. A. Munz 1922-7-6 5992 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  SD262328  Eschscholzia californica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-27 317 74 Riverside Temescal Valley: North side of Concordia Ranch Rd., slopes just east of Black Powder Rd (Alberhill 7.5'Q) 392 Comment
  UCR216404  Eschscholzia californica Mike Bell 2008-4-27 017 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 558 Comment
  CDA24566  Eschscholzia minutiflora T. C. Fuller 1962-4-4 7998 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  RSA776133  Eschscholzia minutiflora Duncan S. Bell, Amanda Turek 2010-4-10 810 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCD94252  Eschscholzia minutiflora Shannon M. Still; Steven M. Still 2008-4-7 390 Riverside California. Riverside County: South side of I-10 in wash. 336 Comment
  RSA0022946  Eschscholzia minutiflora Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  CAS-BOT-BC5931  Eschscholzia minutiflora var. parishii Samuel Bonsal Parish; William Fletcher Parish 1882-4-1 759 Riverside Eastern slope of San Bernardino Mt., Whitewater. Comment
  RSA0023216  Eschscholzia papastillii Tim Thibault, Bart O'Brien, P. Morton 2004-5-8 254 Riverside Chuckwalla Mtns region, wash at end of Bradshaw Trail. 393 Comment
  UCD96496  Eschscholzia papastillii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 510 A Riverside California. Riverside County: In middle of Pinto Mtns. 584 Comment
  CAS-BOT-BC419640  Eschscholzia parishii F. O. Ballou 1926-2-27 s.n. Riverside Mesa - Murray Canon [Canyon] Comment
  CAS-BOT-BC419646  Eschscholzia parishii Richard Snow 1953-4-5 51 a Riverside Box Canyon Comment
  GMDRC9806  Eschscholzia parishii J. M. Andre 2017-3-1 38025 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  UCR241924  Eucalyptus A. C. Sanders, John F. Green 2013-3-27 40687 Riverside Peninsular Range, Alberhill, along Lake St. near the old clay mines, 1.16 km south of I-15 Fwy 388 Comment
  SEINET10890746  Eucalyptus Nye Leith, Greg Gust 2005-3-11 Nye 56 Riverside Lake Elsinore. Ca. 2 miles SW of intersection of I-15 and Rt. 74. Hotel parking lot on Auto Center Dr. 399 Comment
  UCR112954  Eucrypta chrysanthemifolia var. chrysanthemifolia B. G. Pitzer 1998-3-1 3551 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR33572  Eucrypta micrantha Faulkner 1978-3-15 273 Riverside Sonoran (Colorado) Desert, 1 mi. west of Hwy 95, 25 mi. north of Blythe 152 Comment
  UCSB42178  Eucrypta micrantha Roos, John 1966-3-26 Riverside 2 miles SE of Desert Center Comment
  UCD170880  Euphorbia abramsiana A. C. Sanders; T. B. Salvato, Rob Shoener 2012-8-22 40394 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mountains, 0.9 km west of Dupont Rd. 757 Comment
  UCR116891  Euphorbia albomarginata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24208 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
  SEINET8043500 Image available Euphorbia eriantha Duncan S. Bell, Evan Meyer 2014-1 6517 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  POM12172  Euphorbia misera E. C. Jaeger 1921-4-2 62 Riverside Whitewater Bench Comment
  RSA589758  Euphorbia polycarpa V. W. Steinmann, D. L. Banks 1996-4-20 845 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, just south of the summer cottage along the trail to the water treatment facility. 450 Comment
  UCR103997  Euphorbia polycarpa George K. Helmkamp 1998-4-3 3067 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR172248  Euphorbia polycarpa John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR57985  Euphorbia polycarpa J. M. Stewart 1989-9-17 600 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  UCR5295  Euphorbia prostrata O. F. Clarke 1966-10-2 661002- 11 Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street [now the site of an apartment complex, 2001] 305 Comment
  RSA561062  Euphorbia spathulata T. S. Ross, David E. Bramlet 1993-5-12 7351 Riverside Southern Santa Ana Mountains, San Mateo County Wilderness area. San Mateo Canyon, along stream bed and adjacent to benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja canyon. 366 Comment
  UCR117317  Euphorbia spathulata A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 726 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SD247415  Euphorbiaceae O. F. Clarke 2004-3-19 Riverside Peninsular Range: Riverside; UCR Botanical Garden (Riverside East 7.5'Q) 340 Comment
  UCR35601  Eustoma exaltatum J. M. Stewart 1984-6-18 8447 Riverside Santa Rosa Mtns., Bear Creek Oasis 854 Comment
  UCR265846  Euthamia occidentalis Mitch Provance 2013-4-8 413- 03 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR91558  Fagonia laevis A. C. Sanders, A. Knapp, P. J. MacKay, L. Lubinsky, et al. 1995-2-12 15922 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of Fargo Canyon, Litthe San Bernardino mtns., 1.2 mi. above junction with Aqueduct Road. 367 Comment
  UCSB8693  Fagonia laevis Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  SEINET3005077  Fagonia pachyacantha G. Rink 2011-5-1 10515 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  CDA22199  Fatoua villosa A. C. Sanders, S. Morgan 1994-10-7 15832 Riverside Riverside: UCR Botanic Garden. 0 Comment
  UCR201876  Festuca arundinacea Justin M. Wood 2008-9-22 158 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR4569  Festuca arundinacea Frank C. Vasek 1959-7-17 590717- 06 Riverside Riverside, residential garden of F.C. Vasek, 636 Sandalwood Court 335 Comment
  UCR174343  Festuca microstachys A. C. Sanders 2006-5-19 32384 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
  UCR268086  Festuca octoflora var. octoflora Jim Andre 2012-4-11 20680 Riverside Mojave Desert, Joshua Tree National Park, Hidden Tank Picnic Area, 1.4 miles southwest of paved road (Utah trail) to Cottonwood Spring, c. 8 miles south of North Entrance Station, north end of Hexie Mountains 1077 Comment
  RSA524600  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3915 Riverside Vail Lake area, summit of 'Big' Oak Mt., N of lake 793 Comment
  UCR167418  Filago californica John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  LA31862  Fouquieria splendens B. H. Brattstrom; 1950-4-4 sn Riverside Santa Roas Mountains, W side of mountains Comment
  UCR274537  Frankenia salina Mitch Provance, Ken Halama 2003-6-15 17046 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  POM13788  Fraxinus dipetala P. A. Munz, I. M. Johnston 1922-5-5 5149 Riverside Jack rabbit Trail, near Beaumont. 732 Comment
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Mar 21 2011
  UCR178326  Fraxinus pennsylvanica subsp. velutina Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 660 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Potrero Canyon 793 Comment
  UCR256743  Funastrum cynanchoides T. B. Salvato, Matthew Malle 2013-4-11 7532 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  RSA342005  Funastrum cynanchoides var. hartwegii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin 1980-4-16 54111 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  SBBG58625  Funastrum cynanchoides var. hartwegii R. Hoffmann 1929-9-11 Riverside Aguanga Comment
  JOTR36473  Funastrum hirtellum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3441 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  UCR246576  Funastrum hirtellum Mona Bourell 1988-3-28 3511 Riverside Sonoran (Colorado) Desert, Box Canyon, BLM California Conservation Area, east of Mecca on Hwy 195 150 Comment
  UCR228166  Funastrum utahense Dave Silverman, Mark Bibbo 2010-3-31 7899 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 2.1 km west of Black Creek Rd, 6.5 km ENE of McCoy Peak and 6.6 km north of I-10 189 Comment
  POM172216  Galium andrewsii subsp. andrewsii M. French Gilman 1928-5-27 1155 Riverside Banning. Comment
  UCR201497  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2008-6-17 12184 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR154463  Galium angustifolium Jason L. Hlebakos 2005-5-30 806 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR154830  Galium angustifolium A. C. Sanders, Mike Misenhelter 2005-3-23 29277 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  OBI42660  Galium angustifolium subsp. angustifolium B. Pitzer and K. Kirtland, K. Kirtland 1986-5-20 227 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley in the Rancho Calif area, 1 mi S of Buck mesa on the E side of Butterfield Stage rd (T7S, R2W, sec 36) 457 Comment
  RSA772405  Galium angustifolium subsp. angustifolium Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4860 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCD121584  Galium angustifolium subsp. angustifolium Peter H. Raven; David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument. Comment
  UCR174053  Galium aparine A. C. Sanders 2006-5-19 32430 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
  RSA0123088  Galium stellatum Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8972 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  JOTR34389  Galium stellatum var. eremicum Andre, Jim 2012-4-16 20916 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  UCR237478  Galium stellatum var. eremicum Duncan S. Bell 2010-3-20 624 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  RSA358584  Garrya flavescens Larry E. DeBuhr 1972-3-23 529 Riverside Santa Rosa Mountains. San Bernardino National Forest. Across the valley from Santa Rosa Springs on the south facing slope below TV transmitter station. 2317 Comment
  UC774631  Garrya flavescens Carl B. Wolf 1939-1-20 Riverside e side Santa Ana Mts. (along Eagle Motor Way, 1 mi below summit) 914 Comment
  RSA97228  Garrya flavescens var. pallida F. W. Peirson 1921-3-21 4464 Riverside Gordon trail from Andreas Canyon, San Jacinto Mts. 1524 Comment
  CAS-BOT-BC158070  Garrya veatchii B. D. Stark 1930-3-18 1490 Riverside Mt. San Jacinto Comment
  RSA679069  Gastridium phleoides Scott D. White, Michael Honer 2003-6-3 9463 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA559952  Gastridium phleoides Steve Boyd, Orlando Mistretta 1992-4-23 7063 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  CAS-BOT-BC303579  Geraea canescens Ira L. Wiggins 1941-3-24 9570 Riverside 0.3 mile S of Myoma, 4.6 miles N of Indio Comment
  POM358661  Geraea canescens A. M. Johnson 1932-3-20 3902 Riverside Sand dunes, Indian Wells. Comment
  SD227745  Geraea canescens Scott D. White, Pam Devries 1998-2-9 6071 Riverside Coachella Valley. La Quinta / Palm Desert Area; Whitewater River Channel at and near Miles Ave. crossing. 29 Comment
  SD27952  Geraea canescens Carl B. Wolf 1932-4-26 2968 Riverside Colorado Desert, 3 miles east of Mecca on Blythe Road. Comment
  RSA715242  Geranium robertianum A. C. Sanders, T. B. Salvato 2006-5-4 32247 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
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Jul 14 2008
  SEINET7063416  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-3-29 s.n. Riverside About 6.2 miles east of Lake Elsinore on Newport Road. UTM Zone 11, 481169mE, 3727240mN. (WGS84/NAD83). 434 Comment
  SD232284  Gilia angelensis Michael Wall 2003-4-15 264 Riverside Peninsular Ranges; San Jacinto Mountains region: Lamb Canyon west of Beaumont off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 33. 601 Comment
  UCSB69522  Gilia angelensis White, Scott 2005-3-29 Riverside San Gorgonio Pass: Cabazon; west of San Gorgonio river and south of I-10 Freeway; west of existing gravel quarry, likely to be proposed for quarry expansion 590 Comment
  UCR241653  Gilia capitata T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 340 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA470271  Gilia capitata subsp. abrotanifolia N. C. Cooper 1944-6-17 1430 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA525422  Gilia capitata subsp. abrotanifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4530 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  POM19650  Gilia diegensis Mary F. Spencer 1923-6-12 s.n. Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR61101  Gilia diegensis Steve Boyd, C. Boyd, K. A. Boyd, R. Noyes, L. Arnseth 1988-5-28 2269 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UC908061  Gilia latifolia Frank W. Peirson 1926-1-31 6498 Riverside Dos Palmas Comment
  RSA350823  Gilia lineata Anstruther Davidson 1923-04 3570 Riverside Idyllwild. Comment
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Oct 22 2011
  JEPS26556  Gilia maculata Peter Kamb 1948-4-11 888 Riverside Aqueduct Road 5 mi e Garnet (Coachella Valley); , e of Garnet 304 Comment
  CAS-BOT-BC407617  Gilia ochroleuca subsp. exilis N. M. Fellows; A. C. Sanders 1985-4-9 142 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mile W of Snow Creek Village 487 Comment
  JEPS44385  Gilia ochroleuca subsp. exilis Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4265 Riverside gravelly ridge e Toro Peak; Santa Rosa Mountains Comment
  RSA0016241  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4523 -a Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR193265  Gilia ochroleuca subsp. exilis A. C. Sanders, Tim Thomas 2008-6-20 35526 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  UCR64665  Gilia ochroleuca subsp. exilis N. M. Fellows, A. C. Sanders 1985-4-9 142 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA0017269  Gilia ochroleuca subsp. exilis Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA332592  Gilia scopulorum George K. Helmkamp 1983-3-24 383 -16 Riverside Little Chuckwalla Mtns, north base, 1.5 mi east of Graham Pass Rd. 335 Comment
  RSA23227  Gilia stellata Ernest Braunton 1940-4-3 2018 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  UC1123762  Gilia stellata H. S. Yates 1937-3-24 6464 Riverside near head of Deep Canyon; Thermal Quadrangle, nr head Deep Canyon Comment
  CAS-BOT-BC303651  Glebionis coronaria A. C. Sanders 1998-4-16 21753 Riverside Riverside: field on the W side of Iowa Ave, just N of the Santa Fe RR tracks 287 Comment
  UCR275274  Glinus lotoides T. B. Salvato, Gregg Miller 2005-6-7 1490 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  RSA618004  Glinus lotoides R. E. Riefner Jr. 1998-8-13 98 -471 Riverside Elsinore Trough. Wildomar Comment
  RSA559364  Gnaphalium chilense Steve Boyd, Tim Ross, D. E. Bramlet 1993-5-13 7379 b Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  RSA708178  Gnaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UCR158136  Gnaphalium luteoalbum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30118 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
  RSA276721  Gnaphalium palustre John F. Emmel 1978-9-3 617 Riverside San Jacinto Mts, Strawberry Creek, SW of Idyllwild. 1555 Comment
  UCR20862  Gnaphalium palustre Steve Boyd 1980-1 s.n. Riverside Perris Basin, Motte Reserve; rocky hills 2.5 mi NW of Perris 518 Comment
  UCR90309  Gnaphalium palustre F. M. Reed 1922-5-17 4748 Riverside Sonoran (Colorado) Desert, east of Palm Springs 152 Comment
  RSA91699  Gnaphalium palustre F. W. Peirson 1924-7-29 5030 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  RSA655040  Gnaphalium stramineum Scott D. White 1999-6-6 7529 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA189351  Gutierrezia californica L. S. Rose 1966-12-14 66110 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  UCR199652  Gutierrezia californica Justin M. Wood 2008-7-16 26 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  UCSB45957  Gutierrezia californica Roos, John 1965-6-21 Riverside The hills 2 miles south of Beaumont Comment
  POM97003  Gutierrezia californica P. A. Munz 1926-5-2 10419 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  RSA0097131  Gutierrezia sarothrae Marc A. Baker, Chris Taylor 2015-6-26 18366 Riverside The Badlands, 1.5 km SSE of the intersection of San Timoteo Road and Redlands Blvd., 27 km ENE of Riverside, 0.5 km south of San Timoteo Wash. 567 Comment
  UC74080  Gutierrezia sarothrae Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UCR183164  Gutierrezia sarothrae Mitch Provance 2003-5-5 4411 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR34925  Gutierrezia sarothrae L. B. Ziegler 1964-8-25 016 Riverside San Jacinto Mountains, Garner(Hemet) Valley. Valley floor in Kenworthy area. 1418 Comment
  UCR82926  Haplopappus acradenius A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15818 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR19506  Haplopappus squarrosus John C. Roos 1965-10-7 s.n. Riverside hills 4 mi south of Beaumont. (Badlands) Comment
  UCR138557  Haplopappus squarrosus subsp. grindelioides Steve Boyd, D. E. Bramlet 1988-10-8 2876 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCR22006  Helianthus annuus Steve Boyd 1980-9-8 347 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SD245271  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49536 Riverside Santa Ana Mountains: along Ortega Highway (74). Comment
  UC537152  Helianthus gracilentus M. E. Jones 1934-5-10 Riverside Elsinore Comment
  UCR139635  Heliotropium curassavicum A. C. Sanders 2004-6-30 28404 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
  UCR139987  Heliotropium curassavicum A. C. Sanders 2004-8-10 28762 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR275275  Heliotropium curassavicum T. B. Salvato, Gregg Miller 2005-6-7 1459 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  UCR155306  Hemizonia fasciculata A. C. Sanders 2005-5-4 29842 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR116790  Hemizonia kelloggii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24156 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR113558  Hemizonia paniculata Mitch Provance 2000-9-1 2232 B Riverside Jurupa Mtns., Pyrite Canyon, c. 0.5 miles SW of peak 1538 305 Comment
  CLARK-A1528-1922  Hemizonia paniculata subsp. paniculata John C. Roos 1965-6-30 Riverside Edgemont Comment
  UCR189577  Hemizonia pungens subsp. laevis Lee A. Ripma 2007-6-27 002 Riverside San Timoteo Canyon, San Timoteo Canyon Road c. 5 mi west of the junction of Hwy 10 and Hwy 60 and c. 9 mi southeast of Redlands, near county park boundary 644 Comment
  RSA377053  Hesperocallis undulata N. C. Cooper 1949-4-8 3291 Riverside Blythe. 259 Comment
  SBBG120598  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  RSA583483  Heterocodon rariflorum Steve Boyd 1995-5-13 8511 Riverside Santa Ana Mountains, west of Onion Hill, southeast of Elsinore Peak area along trail following old Main Divide Road grade. 1006 Comment
  UCR193868  Heterocodon rariflorum A. C. Sanders, Mitch Provance 2008-7-11 35805 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
  SEINET11261244  Heterotheca grandiflora Steve Boyd, Tim Ross; Dave Bramlet 1992-9-9 7675 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, for the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. Top of Tenaja Falls.; 0 396 Comment
  UCR194221  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR92394  Heterotheca sessiliflora subsp. echioides F. M. Reed 1907-10-20 1978 Riverside South Coast; San Bernardino Valley, Sandy mesa in W Riverside, Crestmore townsite 275 Comment
  UCR189800  Heuchera hirsutissima Diane Menuz 2007-6-19 305 Riverside Peninsular Ranges, San Jacinto Mountains, Pacific Crest Trail, along Fuller Ridge 2724 Comment
  JOTR29576  Hibiscus denudatus Andre, Jim 2006-4-6 6689 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  RSA28084  Hibiscus denudatus I. L. Wiggins 1941-3-27 9691 Riverside 8.2 miles west of Shaver s summit. Comment
  SACT001282  Hilaria rigida Marcus Jones 1929-9-16 Riverside Comment
  CAS-BOT-BC207513  Hoffmannseggia glauca Roxana S. Ferris 1918-6-19 1011 Riverside Blythe, Palo Verde Valley Comment
  RSA86996  Hoffmannseggia glauca Margaret Stason 1932-03 249 Riverside Roadside near Blythe, eastern Riverside County. Comment
  CAS-BOT-BC207574  Hoffmannseggia microphylla Annie M. Alexander; Louise Kellogg 1941-5-17 2192 Riverside near Dos Palmas Comment
  RSA263653  Holodiscus discolor E. W. Lathrop 1977-4-20 7609 Riverside 4 mi. west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1372 Comment
  RSA797260  Holodiscus microphyllus var. sericeus Robert F. Thorne, Walter Wisura 1977-9-17 50798 Riverside San Jacinto Mountain: summit. 3293 Comment
  UCR112394  Hordeum depressum A. C. Sanders, K. C. Rose 1998-5-21 21857 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR117388  Hordeum intercedens A. C. Sanders, T. B. Salvato 2001-5-25 24384 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR189806  Hordeum intercedens Andrea Salzman 2006-5-9 095 Riverside Peninsular Range, San Jacinto Mountain foothills, San Jacinto Wildlife Area, east of Davis Road near duck ponds 460 Comment
  UCD85895  Hordeum marinum subsp. gussoneanum Robert F. Thorne; P. Munz, E. Lathrop 1968-5-8 37589 Riverside Santa Rosa Plateau. On Mesa de Colorado, Rancho California. 670 Comment
  UCR22189  Hordeum marinum subsp. gussoneanum E. W. Lathrop 1959-4-26 4506 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  UCR100170  Hordeum murinum Scott D. White 1993-3-3 1084 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  SD181758  Hordeum murinum subsp. murinum Steve Boyd 2001-4-12 10418 Riverside Gavilan Hills: south base of Alberhill Mountain on flats north of Nichols Road and West os pierce Street, in the vicinty of the dite of Tera Cotta Comment
  UCR111573  Hordeum murinum subsp. murinum Mitch Provance 1998-7-23 912 A Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  POM122327  Horkelia clevelandii Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
  UC1051653  Horkelia clevelandii Peter Kamb 1950-7-9 1906 Riverside San Jacinto Mountains, Hall Canyon 1645 Comment
  RSA0042102  Horsfordia alata Duncan S. Bell, LeRoy Gross 2014-3-6 6189 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  SBBG72803  Horsfordia alata M. N. Ackley 1928-4-3 710 Riverside Devils Cyn, Coral Reef Ranch 91 Comment
  RSA304587  Horsfordia newberryi A. C. Sanders 1982-12-19 3452 Riverside Coachella Valley at the foot of the Santa Rosa Mountains, south side of the ridge forming the southern boundary of Martinez Canyon; west end of Ave74, 2.6 miles west of Polk Street. 122 Comment
  OBI13209  Hosackia crassifolia var. crassifolia Carl B. Wolf 1940-7-2 9719 Riverside E. Side of Santa Ana Mts Indian Cyn Truck Trl, 1/4 mi below Main Divide Comment
  POM266314  Hulsea heterochroma J. C. Roos 1942-6-20 1274 Riverside Roadside N of Idyllwild. Comment
  CLARK-A1528-1951  Hulsea vestita John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC312586  Hulsea vestita subsp. callicarpha Mary F. Spencer 1919-6-19 1200 Riverside San Jacinto Mt. 1645 Comment
  RSA720462  Hulsea vestita subsp. callicarpha Naomi Fraga, Steve Boyd, Sarah Siedschlag 2006-5-22 1681 Riverside On road the leads to Duchess Canyon, east of Fobes Ranch. 1677 Comment
  UC456022  Hulsea vestita subsp. callicarpha I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  UCR34975  Hulsea vestita subsp. callicarpha L. B. Ziegler 1967-5-31 142 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  OBI37561  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau region, NW base of Redonda mesa on Tenaja Rd, 0.8 mi E ofjtn with 8S01 and 8S02 Comment
  RSA453769  Hydrocotyle umbellata L. C. Wheeler 1933-12-2 2314 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  SD187328  Hydrocotyle umbellata Scott D. White, Angelia Carey 2004-5-7 10329 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR91916A  Hydrocotyle umbellata A. C. Sanders, S. Hawkins 1996-4-24 18089 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  POM361071  Hymenoclea salsola M. B. Dunkle 1937-3-25 4946 Riverside Colorado Desert. Shaver's Well Comment
  RSA777630  Hymenoclea salsola Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 767 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  SEINET156514  Hymenoclea salsola Norman C. Cooper 1944-4-23 1120 Riverside Cabazon. 457 Comment
  UCR109553  Hymenoclea salsola R. D. Goeden, Don W. Ricker 1974-3-1 s.n. Riverside Sonoran (Colorado) Desert, Desert Center 305 Comment
  SEINET238558  Hymenopappus filifolius var. lugens George K. Helmkamp 1998-6-27 4122 Riverside Santa Rosa Mtns.: 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. below Mountain Home Spring. 1799 Comment
  RSA704878  Hypericum androsaemum J. B. B 1934-6-13 551 Riverside Idyllwild. Comment
  SDSU12941  Hypochaeris glabra Jutta Buschbom 1991-6-3 20 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  JOTR31916  Hyptis emoryi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2161 Riverside Joshua Tree National Park. North Hexie Mountains; large sandy side canyon draining into west Wilson Canyon with smaller braided ephemeral drainages running through 902 Comment
  LA61590  Hyptis emoryi Martha Hilend; 1929-7-27 361 Riverside Shafer's Wells Comment
  LA61824  Hyptis emoryi Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Box Canyon Comment
  RSA795970  Hyptis emoryi Duncan S. Bell 2009-4-19 299 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UCR196355  Hyptis emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1382 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR260270  Hyptis emoryi A. C. Sanders, Jim Malusa 2015-3-11 41404 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  UCR80809  Iris hartwegii Scott D. White 1993-5-29 1467 Riverside San Bernardino Mtns., Big Oaks Canyon, Yucaipa Ridge 1835 Comment
  RSA638870  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  RSA757451  Isoetes howellii R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55204 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  SD90574  Isoetes howellii Robert F. Thorne, Earl Lathrop 1969-5-12 37930 Riverside Santa Rosa Plateau, Rancho California, large vernal marsh on south end of Mesa de Colorado 625 Comment
  UCR101578  Isomeris arborea Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  CLARK-A1528-375  Isomeris arborea var. angustata Fred B. Essig 1967-3-12 Riverside Joshua Tree National Park Comment
  SEINET3405576 Image available Isomeris arborea var. angustata Lewis S. Rose 1938-12-18 38323 Riverside Palm Springs. 137 Comment
  UCR18881  Juglans californica John C. Roos 1952-6-25 5789 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  CAS-BOT-BC240300  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37142 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 335 Comment
  SD237479  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  CAS-BOT-BC158117  Juglans regia A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37146 Riverside Peninsula Range: Riverside, UCR campus by West Campus Drive near The Barn 320 Comment
  SBBG57379  Juncus R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1828 Comment
  UC667381  Juncus acutus subsp. leopoldii Annie M. Alexander and Louise Kellogg 1941-5-26 2241 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  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
  UCR156615  Juncus bufonius var. congestus T. B. Salvato, A. C. Sanders 2005-5-17 899 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
  RSA234012  Juncus bufonius var. occidentalis Robert F. Thorne, E. W. Lathrop 1969-5-12 37927 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  CAS-BOT-BC110089  Juncus cooperi A. C. Sanders; P. MacKay; G. Helmkamp; J. Stewart; C. L. Sanders 1994-12-4 15887 Riverside Colorado Desert, Salton Sink. Dos Palmas Spring and immediated vicinity. -30 Comment
  UC146449  Juncus duranii Charlotte M. Wilder 1909-7-12 923 Riverside Round Valley San Jacinto Mts. Comment
  UCR128302  Juncus effusus subsp. austrocalifornicus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8641 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR197054  Juncus effusus subsp. austrocalifornicus A. C. Sanders, D. L. Sanders 2008-9-27 36100 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  UC1532810  Juncus luciensis Robert F. Thorne and Earl Lathrop 1975-5-20 45498 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California 609 Comment
  RSA0123702  Juncus macrophyllus Duncan S. Bell, Thomas Stoughton 2016-4-12 9236 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  UC2572  Juncus macrophyllus H. M. Hall 1901-7-20 2522 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1615 Comment
  RSA562485  Juncus mexicanus Steve Boyd, Timothy S. Ross 1992-5-5 7251 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  UC1601830  Juncus oxymeris H. M. Hall 1897-8-12 837 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR23188  Juncus rugulosus P. Tomlinson 1981-5-24 40 Riverside Peninsular Range, Near Mesa de Colorado, c. 1 mi south of Tenaja Rd., 3 mi east of Squaw Mtn, and c. 0.25 mi north of central Mesa Colorado 652 Comment
  UCR150024  Juncus textilis Scott D. White, Angelia Carey 2004-5-7 10349 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  SEINET3112188  Juncus torreyi Faulkner 1978-4-27 480 Riverside 3 mi E of Blythe. 137 Comment
  JOTR31801  Juncus xiphioides La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2103 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  RSA500121  Juncus xiphioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3690 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  JEPS48325  Juniperus californica W. L. Jepson and W. C. Mathews 1914-5-18 6035 Riverside Pinyon Well Colorado Desert, Pinyon Well Comment
  POM261352  Juniperus californica Philip A. Munz 1940-3-24 15699 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA352499  Juniperus californica N. C. Cooper 1944-5-20 1306 Riverside Pine Flats, Palms to Pines Hwy. 1220 Comment
  CAS-BOT-BC234584  Justicia californica H. M. Hall 1905-4-16 5776 Riverside 7 mi. west of Coachella Comment
  CAS-BOT-BC234592  Justicia californica Marcus E. Jones 1926-1-20 s.n. Riverside Yaqui Well, Colorado Desert Comment
  JEPS121570  Justicia californica Adam C. Schneider with Will Freyman 2014-2-16 383 Riverside Box Canyon Road. Comment
  RSA778831  Justicia californica Jim Andre 2011-2-9 15901 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  SEINET2163464 Image available Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, eagle Mountains 460 Comment
  UCD121631  Justicia californica Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UCR143425  Justicia californica Nesta Dunn, A. M. Martin 1932-3-26 s.n. Riverside Sonoran (Colorado) Desert, Shavers Well 305 Comment
  UCR245986  Kallstroemia californica Duncan S. Bell 2012-9-13 4191 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  JEPS57291  Keckiella antirrhinoides L. R. Heckard and R. C. Bacigalupi 1968-5-5 1803 Riverside about 5 mi s Hemet (at s edge of Diamond Valley); Diamond Valley 518 Comment
  RSA180262  Keckiella antirrhinoides E. W. Lathrop 1965-5-18 5751 Riverside 8 miles W of Murrieta; hills around 300 ft high. 610 Comment
  UCSB7012  Keckiella antirrhinoides Lloyd, Robert 1959-4-17 Riverside Mt. Range Santa Ana; 3 miles south of West Corona; on the Oak Flat Fire Road 335 Comment
  SEINET12518427 Image available Keckiella antirrhinoides subsp. microphylla Mark Fishbein, Victor Steinmann Ivonne Steinmann, Mark Porter, Stephen Dreher 1999-1 4104 Riverside Santa Rosa Mountains, Deep Canyon, just east of California 74. 823 Comment
  UCR176574  Keckiella antirrhinoides var. antirrhinoides Holly A. Wanamaker 2005-4-14 05 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
  NY790223  Keckiella cordifolia D. L. Banks 1996-6-6 1119 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; northwest foothills of Dorland Mountain; south end of Los Caballos Road, University of California-Emerson Oaks Reserve, southwest side of the Water Storage tank. 100 m north of the road junction between 457.2 Comment
  UCR199792  Kochia scoparia Scott D. White, Justin M. Wood 2008-6-13 12104 Riverside Beaumont Badlands, San Timoteo Canyon, near El Casco Lake (private pond) east of the road 610 Comment
  RSA180390  Koeleria macrantha E. W. Lathrop 1965-5-18 5761 Riverside 8 miles W of Murrieta; hills around 300 ft high 609 Comment
  RSA740082  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12147 Riverside Meadow at Quinn Flat. 1378 Comment
  UCD86080  Koeleria macrantha F. M. Reed 1920-6-14 4419 Riverside San Jacinto Mts., Banning Road west of Idyllwild. 1676 Comment
  UCR2487  Koeleria macrantha F. M. Reed 1928-7-10 5989 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  CAS-BOT-BC61420  Krameria bicolor K. Larson 1976-6-10 2034 Riverside About 30 mi. E of Indio. S. of Chiriaco Summit Comment
  CAS-BOT-BC61437  Krameria bicolor Carl B. Wolf 1932-4-27 2986 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  CAS-BOT-BC43706  Krameria erecta Annie M. Alexander; Louise Kellogg 1941-5-11 2150 Riverside Cottonwood Spring, Eagle Mountains 883 Comment
  SEINET189506  Krameria erecta Annie M. Alexander, L Kellogg 1941-5-15 2175 Riverside North base of Eagle Mountains 884 Comment
  UC68534  Krameria erecta E. E. Schellenger Apr. 1905 Riverside Hodge Mine, Mule Mountains; Colorado Desert Comment
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Nov 30 2015
  CLARK-A1528-3028  Krameria grayi Lawrence F. LaPre' 1969-5-11 44 Riverside Little San Bernardino Mountains Comment
  RSA795938  Krameria grayi Duncan S. Bell 2009-4-18 258 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  JEPS41823  Laennecia coulteri S. B. Parish 1912-10-12 8356 Riverside Mecea Salton Basin, Mecea -57 Comment
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Sep 4 2011
  RSA658972  Lamarckia aurea Margaret Murphy 1983-4-15 3 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR97440  Lamium amplexicaule A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19861 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR88114  Langloisia schottii A. C. Sanders, G. Nuhn 1995-4-20 16594 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  SEINET2444114  Langloisia setosissima C. Davidson 2010-4-2 11688 Riverside 3 mi S of Hwy 111 in Palm Desert on Hwy 74 (Pines Palms Hwy). 365 Comment
  POM10415  Langloisia setosissima subsp. setosissima Charlotte M. Wilder 1907-4-6 712 Riverside Whitewater Ranch Comment
  SBBG64743  Langloisia setosissima subsp. setosissima M. N. Ackley 1928-4-1 Riverside between Indio and Palm Springs 60 Comment
  UC1287141  Langloisia setosissima subsp. setosissima C. L. Hitchcock 1966-3-20 24310 Riverside hills just n. Milpitas Wash (Ogilby-Blythe rd.) Comment
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Mar 2 2013
  CAS-BOT-BC171124  Larrea tridentata Javier Penalosa 1963-4-10 2790 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 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
  UCR41272  Larrea tridentata B. G. Pitzer 1986-2-9 9 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  VVC519  Larrea tridentata W. W. Mayhew 1959-2-3 s.n. Riverside Colorado Desert, 10 miles east of Desert Center. 198 Comment
  RSA392781  Lastarriaea coriacea E. Crow 1929-4-21 338 Riverside North of Alberhill Comment
  RSA522747  Lastarriaea coriacea Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3854 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  SEINET7073482  Lastarriaea coriacea A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: WGS84/NAD83. (33? deg. 32' 2" North Latitude; -117? deg. 9' 9" West Longitude. UTM Zone 11, 485829mN, 3710290mN. Coordinate datum: NAD27). Comment
  UCD98955  Lastarriaea coriacea A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24184 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 505 Comment
  RSA741198  Lasthenia californica Scott D. White, Justin M. Wood 2008-5-15 11970 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  SEINET6083065  Lasthenia californica Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  CLARK-A1528-2148  Lasthenia chrysostoma John C. Roos 1952-4-13 5535 Riverside Box Springs Mountains 396 Comment
  CAS-BOT-BC352707  Lasthenia coronaria C. L. Hitchcock; C. V. Muhlick 1962-3-16 22125 Riverside Temescal Canyon, 8 mi. S of Corona Comment
  CAS-BOT-BC352708  Lasthenia coronaria Rimo Bacigalupi; Gene Newcomb 1952-4-25 4399 Riverside Along State Hwy 79 close to summit of St. Johns Grade, about 3/4 mile south of Sage 731 Comment
  JEPS29319  Lasthenia coronaria Rimo Bacigalupi, and L. Heckard 1962-3-26 8415 Riverside 2.2 mi nw Alberhill (at headwaters of Temescal Creek); Temescal Creek Comment
  UC1228547  Lasthenia coronaria C. L. Hitchcock and C. V. Muhlick 1962-3-16 22125 Riverside 8 mi s of Corona; Temescal Canyon Comment
  UC1536901  Lasthenia coronaria G. H. True 1935-3-19 133 Riverside 6 mi se of Perris Comment
  UC217965  Lasthenia coronaria P. A. Munz and I. M. Johnston 1922-5-19 5349 Riverside 5 mi ne of Murietta 457 Comment
  SEINET7042766  Lasthenia glabrata W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  POM157896  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10894 Riverside Coahuila Valley. 1372 Comment
  UCR103482  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1995-6-8 2431 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit; within the access road to the margin of the old duck ponds, 1.83 km east of Davis Road and 762 m north of the San Jacinto River channel 436 Comment
  JEPS29298  Lasthenia gracilis Rimo Bacigalupi and L. Heckard 1962-3-25 8393 Riverside low rolling hills just e Bedford Canyon (about 5 mi se of Corona); eastern base Santa Ana Mountains 304 Comment
  RSA650961  Lasthenia gracilis R. L. Bowlin 1949-4-3 s.n. Riverside 3 miles south of Lake Elsinore. 15 Comment
  UC62982  Lasthenia gracilis H. M. Hall 1902-4-7 2753 Riverside vicinity of Riverside (Alessandro) 426 Comment
  UC62987  Lasthenia gracilis H. M. Hall 1902-4-7 2752 Riverside vicinity of Riverside 457 Comment
  SD255728  Lathyrus vestitus Mitch Provance 2012-5-24 512 14 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  UCR16265  Lathyrus vestitus S. Riddell 1973-5-17 730517- 11 Riverside Santa Ana Mtns, 0.1 mi west of El Cariso Fire Station on Hwy 74 793 Comment
  RSA586104  Lathyrus vestitus var. alefeldii D. L. Banks, S. D. Boyd 1995-4-5 0144 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, W of the Dripping Springs Trail. 646 Comment
  UCR243517  Layia glandulosa Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21092 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UC30661  Layia platyglossa W. G. Wright 1889-1-1 1751 Riverside borders Colorado Desert Comment
  UCR112395  Layia platyglossa A. C. Sanders, K. C. Rose 1998-5-21 21856 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR174162  Layia platyglossa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32638 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  POM13010  Lemna gibba Philip A. Munz, I. M. Johnston 1922-5-19 5437 Riverside Hemet Valley, San Jacinto Mountains, 1 mile from Garner Ranch. 1372 Comment
  RSA741419  Lemna gibba Justin M. Wood 2008-12-2 256 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  RSA191401  Lemna minuta E. W. Lathrop, Robert F. Thorne 1967-9-26 6632 Riverside 6 miles NW of Murrieta. Comment
  UCR261446  Leonotis nepetifolia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41433 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
  CLARK-A1528-5692  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  UCR27712  Lepechinia cardiophylla A. C. Sanders, Jan West 1982-11-6 3269 Riverside Santa Ana Mtns, Indian Truck Trail, 2 mi due east of Santiago Peak, just below its junction with the Main Divide Truck Trail 1220 Comment
  SBBG100414  Lepidium fremontii W. L. Halvorson 1977-3-8 77 -74 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCR260871  Lepidium lasiocarpum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41576 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  UCR72206  Lepidium lasiocarpum Theo Glenn 1992-3-31 92 2 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  CDA24929  Lepidium lasiocarpum var. georginum G. D. Barbe, T. C. Fuller 1973-2-28 1071 Riverside 4.7 miles south of I-10 on Wiley s Well Road, west of Blythe. 0 Comment
  POM139  Lepidium virginicum var. pubescens Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  RSA495440  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2967 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  HSC5930  Lepidospartum squamatum L. S. Rose 1966-12-14 66103 Riverside Whitewater Wash, N of Palm Springs Desert. 198 Comment
  UCR177855  Lepidospartum squamatum Marisa Sripracha, K. A. Boyd 2004-3-21 047 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  SEINET3196333 Image available Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), just N of Cedar and Moutain, NE end of Hemet. Comment
  RSA628352  Leptochloa panicea subsp. mucronata Steve Boyd 1998-10-4 10293 Riverside Backyard orchard at 4863 Rubidoux Avenue. Comment
  CDA29073  Leptochloa uninervia Mike Lahti 2008-12-12 PDR# 1509355 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. 0 Comment
  UCR202442  Leptochloa uninervia Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UCR2517  Leptochloa uninervia F. M. Reed 1918-10-13 4019 Riverside Menifee Valley 549 Comment
  UC23617  Leptodactylon pungens H. M. Hall June, 1901 2130 Riverside Santa Rosa Mountain San Jacinto Mountains, Santa Rosa Mountain (dry hillsides of Coyote Canyon) 1524 Comment
  POM13824  Leptosiphon floribundus subsp. glaber P. A. Munz 1922-4-28 5048 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  UC1930095  Leptosiphon liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Comment
  UC279681  Lesquerella tenella Edmund C. Jaeger 1926-2-28 Riverside Canyon Springs Wash near Salton Station (Colorado Desert); , Canyon Springs Wash 30 Comment
  UCR41532  Lesquerella tenella A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6057 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR34883  Lessingia filaginifolia L. B. Ziegler 1971-9-9 427 Riverside San Jacinto Mtns, Hemet (Garner) Valley. 1372 Comment
  POM197815  Lessingia glandulifera var. glandulifera John T. Howell 1927-8-2 2929 Riverside Top of control on road to Hemet, Mt San Jacinto. Comment
  RSA748056  Lewisia rediviva Justin M. Wood 2009-5-11 691 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  POM147626  Leymus triticoides F. M. Reed 1926-5-20 5372 Riverside alkaline lake margin west of Temecula [presumably the large vernal pool on Mesa de Colorado, ca. 7 mi. due W of Temecula] 625 Comment
  RSA286795  Lilaea scilloides Robert F. Thorne 1974-5-23 44658 Riverside Santa Rosa Plateau, Rancho California: near junction of Teneja Road and road to ranch headquarters 610 Comment
  UC1265371  Lilaea scilloides Robert F. Thorne and Earl Lathrop 1969-5-12 37932 Riverside s end Mesa de Colorado, Rancho (nw of large marsh); Santa Rosa Plateau 624 Comment
  CAS-BOT-BC130874  Lilium parryi Albert M. Vollmer 1950-7-1 s.n. Riverside Stony Creek, San Jacinto Mountains Comment
  RSA377162  Lilium parryi M. B. Dunkle 1933-7-20 3708 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR40359  Limnanthes gracilis subsp. parishii Tom Griggs, E. W. Lathrop 1985-3-3 2 Riverside Santa Rosa Plateau, Mesa de Colorado, on The Nature Conservancy Preserve, 4 mi. west of Murrieta Comment
  UCR224368  Limonium duriusculum Justin M. Wood 2010-5-19 1843 Riverside Santa Ana Canyon, Santa Ana River, c. 1.4 mi downstream of Prado dam outlet, just northwest of Green River Housing Estate 131 Comment
  RSA588982  Limosella aquatica D. Bramlet 1992-5-15 2282 Riverside Pipeline seep located south of Lakeview hot springs and just S. of the MWD access road. The site is located some 833m. west of the San Jacinto River and 433m eat of the intersection of Pozos Rd. and the MWD pipeline maintenance road. Comment
  UCR49262  Linanthus androsaceus subsp. micranthus Steve Boyd 1986-4-2 1631 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UC879877  Linanthus aureus C. L. Hitchcock 1940-4-3 5937 Riverside 1.5 mi ne Cottonwood Spring (along 29 Palms Road); Joshua Tree National Monument Comment
  JOTR16799  Linanthus aureus subsp. aureus Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. PLEASANT VALLEY 1005 Comment
  JOTR33750  Linanthus bigelovii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2748 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  JOTR34178  Linanthus bigelovii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 139 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  RSA777157  Linanthus californicus Steve Boyd, Susan G Jett 2008-3-20 11829 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  SDSU3176  Linanthus ciliatus Bruhns 1965-5-22 109 Riverside Slope around girls' dormitory of desert Sun School in Idyllwild. Yellow Pine Forest. Comment
  POM364588  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-4-6 1944 Riverside South of Hemet Comment
  RSA543171  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, Mike Hammitt, T. S. Ross 1991-5-2 6081 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
  JEPS22523  Linanthus jonesii Rimo Bacigalupi with Paul Hutchison 1958-2-19 6187 Riverside 9.5 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  UCR16665  Linanthus jonesii Robert A. Clark 1966-3-5 030566- 6 B Riverside Sonoran (Colorado) Desert, 8 miles east of Mecca on State Hwy 195 and about 3 miles up Box Canyon 15 Comment
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Sep 7 2011
  UCR177112  Linanthus lemmonii Bill Wagner 1994-5-11 s.n. Riverside Black Mountain, c. 4 miles NNE of Lake Skinner 915 Comment
  UCR35062  Linanthus lemmonii L. B. Ziegler 1967-6-21 164 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  UCR193408  Linanthus liniflorus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35577 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  RSA357775  Linanthus maculatus R. F. Thorne, M. Z. Thorne 1973-3-30 42656 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs 488 Comment
  RSA657240  Linanthus maculatus J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12339 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  PASA685  Linum lewisii Sally Ellis 1939-6-22 Riverside Halona, Idyllwild Comment
  UCR13412.2  Lithophragma affine William E. Mortenson 1973-5-27 8 Riverside San Jacinto Mtns., 14.1 mi south of Banning on Calif. Route 243 (Palms to Pines Hwy). 100 yds. west of Hwy in a wooded area 1677 Comment
  UCR193292  Lithophragma affine A. C. Sanders, Tim Thomas 2008-6-20 35541 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA523535  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3994 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR58716  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside Peninsular Range, Temecula Gorge, south rim, near locked gate 305 Comment
  UCR139160  Loeflingia squarrosa S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  POM47233  Loeseliastrum schottii Mary F. Spencer 1920-4-9 1567 Riverside Palm Springs. Comment
  SBBG64737  Loeseliastrum schottii M. N. Ackley -Apr-1928 845 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UCR90342  Logfia gallica Scott D. White 1995-6-30 3439 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  SEINET251730  Lolium rigidum Walte Graves 2002-6-11 602 -1 Riverside Grown at U.C. R. in Agricultural Opeations Fields 305 Comment
  POM356978  Lolium temulentum N. C. Cooper 1944-5-6 1171 Riverside Banning. 701 Comment
  UC818811  Lolium temulentum P. A. Munz and I. M. Johnston 1922-5-19 5383 Riverside 8 mi ne Murietta Comment
  RSA552754  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6740 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  UCR138828  Lomatium dasycarpum subsp. dasycarpum D. L. Banks 1997-3-29 1640 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation, just before the Riverside/San Diego Co. line 482 Comment
  UCR138895  Lomatium dasycarpum subsp. dasycarpum D. L. Banks 1997-4-5 1659 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
  POM305709  Lomatium dissectum var. multifidum Henry J. Ramsey, Henry J. Ramsey 1939-4-22 I- 30 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA594770  Lomatium lucidum D. L. Banks, Dylan Hannon 1996-5-3 991 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 300 m E of the Dripping Springs Guard Station. 487 Comment
  JOTR16546  Lomatium mohavense Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF JUMBO ROCKS Comment
  UC56510  Lomatium utriculatum H. M. Hall Apr. 1902 2946 Riverside vicinity of Riverside 365 Comment
  UCR37444  Lomatium utriculatum Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Gavilan Hills, Gavilan Springs Comment
  POM296448  Lonicera subspicata Lyman Benson 1945-11-10 11912 Riverside 5 miles east of Temecula. 457 Comment
  CAS-BOT-BC234886  Lonicera subspicata var. denudata H. M. Hall 1901-7-1 2529 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1615 Comment
  RSA597526  Lonicera subspicata var. denudata L. C. Wheeler 1960-5-9 7689 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  SBBG69588  Lonicera subspicata var. denudata V. Duran 1933-7-3 3496 Riverside Vandeventer Flat 1524 Comment
  UC455867  Lonicera subspicata var. denudata I. J. Condit 1910-6-24 Riverside San Jacinto Mt. 609 Comment
  POM47633  Lotus argophyllus subsp. decorus F. W. Peirson 1919-4-13 s.n. Riverside Murray Canyon, Palm Springs region. Comment
  RSA567202  Lotus argophyllus var. argophyllus Walter Wisura, W. Steinmetz 1993-5-29 4918 Riverside PCT S of Hwy 74, near Table Mountain road Comment
  CLARK-A1045-81  Lotus argyraeus George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
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Jan 3 2018
  SEINET238552  Lotus argyraeus var. argyraeus George K. Helmkamp 1998-6-27 4125 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  RSA0012655  Lotus corniculatus LeRoy Gross, Caitlin Elam 2013-5-14 6082 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
  JEPS55421  Lotus crassifolius var. crassifolius Carl V. Meyer 1927-6-1 Riverside Saunders Meadow San Jacinto Mt. Comment
  RSA282923  Lotus grandiflorus var. grandiflorus C. W. Tilforth, B. Busenberg 1980-6-17 1996 Riverside Along Hiway 74, west of Mountain Center Comment
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Jun 10 2012
  UCR90277  Lotus hamatus Scott D. White 1995-7-7 3441 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA90301  Lotus hamatus F. W. Peirson 1919-4-12 714 Riverside Along the Tahquitz Creek stream near Palm Springs Comment
  RSA798593  Lotus heermannii Robert F. Thorne, E. W. Lathrop 1977-5-18 49753 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR109482  Lotus heermannii A. C. Sanders, D. R. Schramm, D. Wappler 1994-10-4 15773 Riverside San Jacinto Mountains, N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Cr. 915 Comment
  UCR116796  Lotus heermannii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24150 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR60261  Lotus heermannii Steve Boyd 1989-6-10 3674 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  UCR250200  Lotus humistratus A. C. Sanders 2014-4-23 41045 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  RSA406172  Lotus nevadensis var. nevadensis M. B. Dunkle 1933-7-20 3702 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA60336  Lotus oblongifolius G. R. Campbell 1948-7-4 612 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  UCR18392  Lotus purshianus A. C. Sanders 1978-9-4 00340 Riverside Peninsular Ranges/San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UC489131  Lotus purshianus var. purshianus C. V. Meyer 1928-7-30 588 Riverside Saunders Meadow 1676 Comment
  RSA498786  Lotus rigidus F. W. Peirson 1920-2-16 s.n. Riverside Murray Canyon, Palm Springs region. 274 Comment
  RSA6200  Lotus rigidus B. D. Stark 1932-6-5 1514 Riverside Palms to Pines Road 1067 Comment
  SEINET8721513 Image available Lotus scoparius Jean Coulson 1959-1 87 Riverside Box Spring Mts., .7 mi. N of Blane on Mt. Vernone W. of quarry, 10yrds. 1 Comment
  RSA771701  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4697 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
  UC1537087  Lotus scoparius var. brevialatus Gordon H. True Jr. 1935-3-11 78 Riverside Box Springs Comment
  UCR270748  Lotus scoparius var. scoparius T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8365 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA775447  Lotus strigosus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4449 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  RSA778230  Lotus strigosus Duncan S. Bell 2009-3-8 35 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC1129239  Lotus strigosus H. S. Yates 1937-3-23 6444 Riverside 15 mi nne Mecca; Themal Quad. 457 Comment
  UC218092  Lotus strigosus P. A. Munz, D. Keck 1922-4-9 4765 Riverside near Mecca; Shavers Well 76 Comment
  UCR183165  Lotus strigosus Mitch Provance 2003-5-5 4410 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR2891  Lotus strigosus Paul W. White 1963-5-9 50963- 10 Riverside Gilman Hot Springs, 1 mi east of town on State Hwy 79 457 Comment
  UCR151101  Lotus strigosus var. hirtellus Scott D. White, Julie Greene 1998-8-1 6970 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  RSA406407  Lotus strigosus var. tomentellus Gale Sphon 1955-5-21 s.n. Riverside 5 miles north of Lake Fulmore Comment
  RSA709869  Lotus unifoliolatus Scott D. White 2005-7-6 11157 Riverside San Gorgonio Pass: Cabazon. Toeslope of San Jacinto Mtns. and adjacent alluvial fan west of San Gorgonio River and south of I-10 Freeway. 579 Comment
  CLARK-A1528-6667  Ludwigia peploides Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  RSA192347  Ludwigia peploides subsp. peploides H. A. Zuill 1966-7-7 279 Riverside San mateo canyon, 9-10 miles SW of Murrieta. Comment
  RSA496358  Lupinus agardhianus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3032 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  RSA595733  Lupinus andersonii L. C. Wheeler 1945-10-6 6133 Riverside Head of west fork of Snow Creek. 2377 Comment
  POM13265  Lupinus arizonicus E. C. Jaeger 1922-4-4 s.n. Riverside Painted Canyon on near Mecca Comment
  SD224965  Lupinus arizonicus G. K. Helmkamp 1998-4-4 3099 Riverside Mojave Desert: Dale Lake, 1.8 mi. W of Iron Age Rd & 0.7 mi. N of CA hwy 62 366 Comment
  UCR249517  Lupinus arizonicus T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7284 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
  SEINET10488557  Lupinus arizonicus David Charlton 1988-2-18 Charlton 1194 Riverside Alluvial fan, s side of little san bernardino mtns. Fargo canyon road to Cottonwood wash, s of joshua tree national park, parallel to i-10. Creosote Bush scrub. 5 Miles e of jct. Dillon rd. And fargo cyn rd. Stable and disturbed Upper bajada with encelia, larrea. Common blue-flowered 1' annual on upper Bajada 762 Comment
  UC1537129  Lupinus bicolor Gordon H. True Jr. 1935-3-18 124 Riverside hills e Citrus Expt. Station (Box Springs); e of Citrus Expt. Station, Box Springs 365 Comment
  UC489014  Lupinus bicolor C. V. Meyer 1929-6-18 767 Riverside Hemet Valley; San Jacinto Mts., Hemet Valley 1341 Comment
  UCR166163  Lupinus bicolor John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR124655  Lupinus bicolor subsp. microphyllus B. C. Templeton, I. W. Clokey 1930-4-9 1055 Riverside Moreno Pass 610 Comment
  RSA0123382  Lupinus concinnus Duncan S. Bell, Thomas Stoughton 2016-4-14 9294 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
  RSA195700  Lupinus concinnus subsp. optatus C. R. Gunn 1963-5-29 2630 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains. Comment
  SEINET10937080  Lupinus densiflorus var. austrocollium Tilforth 1979-5-23 TILFORTH 1806 Riverside White flwd annual with grasses, delphinium parryi, adenostoma fasciculatum, Solanum parishii. Murrieta-deluz rd., Ca 2 air mi. S of murrieta. 335 Comment
  UCD107674  Lupinus excubitus var. austromontanus C. V. Meyer 1927-6-1 166 Riverside San Jacinto Mountains. 1737 Comment
  RSA552695  Lupinus excubitus var. hallii Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6703 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR84571  Lupinus excubitus var. hallii Steve Boyd 1986-4-22 1750 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  JEPS64932  Lupinus formosus Carl V. Meyer 1929-6-18 773 Riverside Upper Hemet Valley; San Jacinto Mts., Upper Hemet Valley Comment
  UCSB3263  Lupinus formosus Jacobson, A. 1959-5-17 Riverside On roadside of Hwy. 74; 20 mi. south of Idyllwild; San Jacinto Mtns. 1310 Comment
  SEINET10937096  Lupinus formosus David B. Dunn 1947-10-9 Dunn 3534 Riverside Collected near the dry wash or shallow area about half way from the hwy to 29 Palms to hidden valley. Comment
  RSA630294  Lupinus formosus var. formosus R. S. Woglum 1941-5-17 3059 Riverside Peninsular Ranges / Sonoran Desert transition: Coyote Canyon. Comment
  POM12097  Lupinus hirsutissimus Mary F. Spencer 1921-4-17 1869 Riverside Banning. Comment
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Mar 13 2011
  UCR100087  Lupinus hirsutissimus R. G. Swinney 1967-3-5 56 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR156461  Lupinus hirsutissimus T. B. Salvato, A. C. Sanders 2005-5-17 901 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR75525  Lupinus hirsutissimus A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13786 Riverside San Bernardino Mountains, SE end of San Bernardino Mountains, S end of Whitewater Bench, E side of the mouth of Whitewater Canyon. 450 Comment
  SEINET10488674  Lupinus hirsutissimus David B. Dunn 1948-3-14 Dunn 3781 Riverside Flat open sands near hidden springs ranch. 3 Mi. S of the indio hills; Colorado desert. Comment
  RSA442334  Lupinus hyacinthinus George R. Johnston 1928-9-3 s.n. Riverside San Jacinto Mt. 3277 Comment
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Jul 6 2008
  RSA13144  Lupinus latifolius subsp. parishii Percy C. Everett 1935-6-18 7191 Riverside Santa Ana Mts., main divide motorway to Santiago Park., 1 mi. from Ortega Highway. 732 Comment
  JEPS65269  Lupinus latifolius var. parishii W. L. Jepson 1903-8-6 2276 Riverside Dark Canyon San Jacinto Mt. (San Jacinto Mt.); , Dark Canyon 1524 Comment
  POM19602  Lupinus latifolius var. parishii Mary F. Spencer 1923-8-7 2190 Riverside San Jacinto Mts. 1707 Comment
  RSA523534  Lupinus sparsiflorus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3993 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA702747  Lupinus sparsiflorus Scott D. White, Michael Honer 2004-4-6 10041 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR214142  Lupinus sparsiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37723 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  RSA272180  Lupinus sparsiflorus subsp. sparsiflorus C. W. Tilforth 1978-4-30 1568 Riverside Low rounded hills east of Norco. Comment
  RSA314646  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55442 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA617297  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1937-04 300 Riverside Mojave Desert: Palm Springs. Comment
  RSA630295  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1941-5-17 3057 Riverside Peninsular Ranges / Sonora Desert transition: Horse Canyon off Coyote Canyon. Comment
  CSUSB1453  Lupinus succulentus Paul D. Wood 1970-4-19 Riverside Riverside, on a hillside at intersection of Indian Hill Road and Ladera Lane. 274 Comment
  IRVC29065  Lupinus truncatus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 366 Comment
  RSA618413  Lupinus truncatus D. L. Banks 1997-5-5 1963 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SEINET2062685  Lupinus truncatus 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
  SEINET10870706  Lupinus truncatus Earl W. Lathrop 1969-5-8 Lathrop 7013 Riverside Main divide truck; trail between el carrison and san mateo canyon. Cleveland National forest. Chaparral with southern oak woodland. Santa ana mountains. 1219 Comment
  UC1106403  Luzula comosa var. laxa Peter Kamb 1948-7-3 1153 Riverside Hall Canyon, San Jacinto Mountains 1645 Comment
  CLARK-A1528-883  Lycium andersonii Alan Chamberlain 1957-3-16 Riverside Riverside Comment
  RSA775400  Lycium andersonii Duncan S. Bell 2011-4-10 2250 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UCR115923  Lycium andersonii Mitch Provance 1998-4-24 1116 Riverside Riverside, c. 1 mile SW of the corner of Trafalgar Ave. and Alessandro Blvd. 366 Comment
  SD225120  Lycium brevipes A. C. Sanders 1997-3-1 19723 Riverside Box Springs Mountains: Coyote Hill and ridge south and southeast of the UCR Botanic Garden. 422 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
  CSUSB1940  Lythrum hyssopifolia Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  UCR164065  Lythrum hyssopifolia John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  UCR93099  Machaeranthera cognata F. M. Reed 1931-4-11 6919 Riverside Western Colorado Desert, 'Red Canyon' north of Mecca [= Painted Canyon?] 152 Comment
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Nov 24 2011
  RSA561886  Madia exigua Steve Boyd, Timothy S. Ross 1992-6-10 7642 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
  RSA561880  Madia gracilis Steve Boyd, Timothy S. Ross 1992-6-10 7629 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 of Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  RSA452618  Mahonia Thekla Mohr 1920-5-1 s.n. Riverside Ivy Canyon, Temescal. Comment
  RSA0104033  Malacothamnus densiflorus Scott D. White 1991-5-13 91 -111 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  SBBG27730  Malacothamnus orbiculatus L. Allen 1967-8-15 Riverside Hwy 71 near Hemet Comment
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May 23 2012
  UC75900  Malacothrix coulteri H. M. Hall 1902-4-21 2925 Riverside vicinity Riverside 487 Comment
  POM362311  Malacothrix glabrata N. C. Cooper 1944-4-21 1154 Riverside Banning 701 Comment
  RSA796092  Malacothrix glabrata Duncan S. Bell 2009-4-20 310 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 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
  SJSU10605  Malacothrix glabrata R. C. McGehee 1970-4-28 234 Riverside 5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UCR91620  Malacothrix saxatilis var. tenuifolia D. L. Banks, Steve Boyd 1995-6-27 0741 Riverside NW Palomar Mtns., Agua Tibia Mtns., along the Crosley Road, north of the jct between the Cutca Road; north of the Devils Hole area, north of the Forest Boundary. north of the first gate along the road approx 1/2 mi from Hwy 79 518 Comment
  CAS-BOT-BC348026  Malacothrix stebbinsii Carl B. Wolf 1941-4-28 10092 Riverside Mojave Desert. S. base of Old Dad-Granite Mt. Range. Mouth of Willow Spring Canyon 1219 Comment
  UCR166541  Malva parviflora Scott D. White, Jennifer H. Jones 2005-4-12 10873 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  CSUSB590  Marah macrocarpa Kheng Try Seng 1966-4-13 Riverside Santa Ana Mountains Northeast slope of Santa Ana Mountain. End of Main Street, 4 miles from downtown Corona. 457 Comment
  UCR132423  Marah macrocarpa A. C. Sanders 2004-2-6 27380 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon at head of small nameless canyon on south side of ridge 427 Comment
  UCR35137  Marah macrocarpa L. B. Ziegler 1972-2-7 435 Riverside in the foothills of the San Jacinto Valley 579 Comment
  CAS-BOT-BC216177  Marina parryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colo Desert Comment
  CAS-BOT-BC216181  Marina parryi C. L. Hitchcock 1966-3-21 s.n. Riverside Mule Mts., 20 mi. s.w. of Blythe, in wash Comment
  RSA0099447  Marina parryi Duncan S. Bell, Evan Meyer 2014-10-29 7693 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  CLARK-A1045-160  Marsilea vestita George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  SD152927  Matricaria discoidea Steve Boyd, Tim Ross and Orlando Mistretta 1992-3-31 6768 Riverside Santa Ana Mountains; Tenaja Trail from junction with Morgan Trail south to Pigeon Spring area. 669 Comment
  RSA522305  Medicago lupulina Steve D. Boyd 1989-7-9 3775 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  CSUSB1090  Medicago polymorpha William R. Bowen 1962-4-20 051 Riverside Canyon Crest on the UCR campus 304 Comment
  CSUSB1096  Medicago sativa Holzmiller 1966-4-26 Riverside roadside of highway 395 304 Comment
  OBI37483  Medicago sativa Steve Boyd 1985-7-23 1007 Riverside De Luz Rd, 5.5 mi W of Rancho Calif 396 Comment
  RSA0063038  Medicago sativa Andrew Haimov, April Sleigh 1992-5-19 94 Riverside East side of Davis Road, 1/2 mile south of Allessandro Road. Comment
  CAS-BOT-BC229025  Melia azedarach A. C. Sanders 2012-4-12 40020 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 315 Comment
  CAS-BOT-BC269426  Melica californica Marcus E. Jones 1882-4-25 3554 Riverside San Jacinto Comment
  RSA683856  Melica imperfecta Scott D. White, Michael Honer 2003-4-4 8943 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR194826  Melica imperfecta Scott D. White 2006-4-27 11291 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  RSA650071  Melilotus indicus Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  RSA741426  Melilotus indicus Justin M. Wood 2008-12-2 264 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  RSA701360  Melilotus indicus Steve Boyd, Aydee Virgen 2004-4-13 10878 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA627519  Mentha Scott D. White 1998-7-31 6935 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  JOTR33995  Mentzelia affinis La Doux, Tasha, M. Harding 2010-4-7 2883 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  GMDRC7793  Mentzelia involucrata J. M. Andre 2015-3-6 33559 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). 561 Comment
  RSA692200  Mentzelia involucrata Scott D. White, Michael Honer 2003-5-14 9301 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC1922408  Mentzelia involucrata Naomi Fraga, Lisa Rojas 2005-2-10 1358 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR103553  Mentzelia involucrata George K. Helmkamp, E. A. Helmkamp 1998-1-17 2538 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR166776  Mentzelia involucrata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10892 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCD117238  Mentzelia involucrata var. megalantha P. C. Everett; E. K. Balls 1958-4-29 23016 Riverside U. S. Hwy 60/70, Indio to Blythe, 1 mile west of Cactus City. 548 Comment
  RSA446831  Mentzelia obscura N. C. Cooper 1949-4-8 3303 Riverside Desert Center. 610 Comment
  CAS-BOT-BC170850  Mentzelia veatchiana R. F. Hoover 1969-4-11 11212 Riverside Mouth of Morongo Valley Canyon Comment
  CAS-BOT-BC435295  Mesembryanthemum nodiflorum A. C. Sanders; K. C. Rose 1998-5-21 21853 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR228259  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2011-4-1 38936 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR85567  Microseris douglasii subsp. douglasii Julie A. Greene 1993-4-17 1203 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  RSA543593  Microseris douglasii subsp. platycarpha Steve Boyd, Orlando Mistretta, Laurel Arnseth 1991-5-6 6145 Riverside Santa Ana Mts., S side of Elsinore Peak. 1036 Comment
  UCR217636  Microseris douglasii subsp. platycarpha John Dvorak, Karyn L. Drennen 2010-4-15 01 Riverside Perris-Aguanga Basin, 1.8km southeast of La Sierra Ave/ Cajalco Rd intersection, 400m south of Cajalco Rd. and 142m north of an old dirt road 438 Comment
  UCR241925  Microseris lindleyi A. C. Sanders, Timothy W. Chumley 2013-3-28 40697 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  LA209115  Mimulus aurantiacus var. pubescens Norman C. Cooper; 1944-5-6 1205 Riverside Banning 701 Comment
  UC943881  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 E Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UC1537442  Mimulus aurantiacus var. puniceus Gordon H. True Jr. 1935-3-1 40 Riverside Gavilan Hills 457 Comment
  UCR91220  Mimulus aurantiacus var. puniceus Scott D. White 1996-3-31 3855 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA0041941  Mimulus bigelovii Duncan S. Bell, Loraine Washburn 2014-4-8 6583 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  POM292851  Mimulus bigelovii var. bigelovii Lyman Benson, Robert Benson 1952-4-8 14846 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  RSA420957  Mimulus bigelovii var. bigelovii M. B. Dunkle 1933-3-4 3050 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UCR174079  Mimulus brevipes A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32583 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
  UCR154376  Mimulus cardinalis A. C. Sanders, Mike Misenhelter 2005-6-15 30953 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
  UCR21993  Mimulus cardinalis Steve Boyd 1980-7-12 331 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SBBG118782  Mimulus floribundus S. D. White 1999-6-6 7441 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  UC27063  Mimulus moniliformis H. M. Hall 1897-8-11 805 Riverside San Jacinto Mountains Comment
  JEPS3996  Mimulus parishii W. L. Jepson 1901-5-22 1402 Riverside near San Jacinto Mt.; Palm Canyon 914 Comment
  UCR256786  Mimulus pilosus T. B. Salvato, Matthew Malle 2013-5-20 7573 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
  CSUSB1907  Mimulus puniceus R. Pirot 1975-4-20 Riverside Juniper Flats Road and Highway 74 at Homeland. 548 Comment
  RSA0120241  Mimulus rubellus Duncan S. Bell 2016-4-14 9276 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  UCR41222  Mirabilis bigelovii N. M. Fellows 1985-3-16 114 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  RSA0110425  Mirabilis bigelovii var. bigelovii Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54022 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  CSUSB571  Mirabilis californica D. Gordon 1952-2-27 Riverside UCR campus 396 Comment
  UCR163426  Mirabilis laevis B. G. Pitzer 1998-1-25 3428 Riverside Lakeview Mtns., Warren Road, just below water tank at base of hills, W side of road c. 0.5 mi. NE of Juniper Flat Road 610 Comment
  CAS-BOT-BC434680  Mirabilis laevis var. crassifolia Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  POM293182  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12024 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  RSA614675  Mirabilis laevis var. crassifolia Scott D. White 1993-3-12 1163 Riverside Near Winchester. Comment
  UCD98149  Mirabilis laevis var. crassifolia Geoffrey Levin 1975-4-26 479 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  CAS-BOT-BC434824  Mirabilis laevis var. retrorsa Robert F. Thorne 1964-5-3 33848 Riverside Near hwy ca 4 miles S of Morongo Valley and 3 miles S of San Bernardino Co. line. Comment
  UC1136583  Mirabilis laevis var. retrorsa H. S. Yates 1937-3-24 6450 Riverside 457 Comment
  SBBG22011  Mirabilis laevis var. villosa R. F. Thorne 1964-5-3 33848 Riverside near hwy ca. 4 mi S of Morongo Valley and 3 mi S of San Bernardino Co line Comment
  UC1922765  Mirabilis laevis var. villosa Scott D. White, Brian Leatherman 2005-5-4 11011 Riverside SONORAN DESERT: Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Cana. Thermal Canyon 7.5' Quad. Comment
  UCR166532  Mirabilis laevis var. villosa Scott D. White, Brian Leatherman 2005-5-4 11011 Riverside Sonoran Desert, Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and east of the Coachella Canal 49 Comment
  RSA464259  Mirabilis tenuiloba N. R. Zabriskie, W. M. Zabriskie 1973-3-29 594 Riverside S side of lower Pipistrelle Canyon wash, Deep canyon drainage, N slope Santa Rosa Mountains. 427 Comment
  SEINET3162335  Mirabilis tenuiloba S. B. Parish 1907-4-18 6072 Riverside western border of the Colorado Desert; Southern California 150 Comment
  SEINET8380172  Mohavea H. M. Hall 1905-4-16 5778 Riverside Canons near Indio Mt. i nthe Colorado Desert, lower Sonoran Zone. 150 Comment
  UCD124029  Mohavea confertiflora C. W. Tilforth 1967-2-12 108 Riverside Painted Canyon, east of Mecca. Colorado Desert. Comment
  UCR22484  Mohavea confertiflora C. S. Jones 1979-3-27 48 Riverside Sonoran (Colorado) Desert, in SE facing canyon about 300 yards from unnamed dirt road approximately 5 mi. north of I-10, 4 mi. west of Desert Center 427 Comment
  UC104617  Monardella australis subsp. australis A. W. Anthony 1895-7-13 Riverside San Jacinto 2590 Comment
  UCR143094  Monardella breweri subsp. lanceolata C. B. Wolf 1932-8-4 3914 Riverside Peninsular Ranges: San Jacinto Mtns, Point View near Idyllwild [= Vista Grande?] 1646 Comment
  UCR143095  Monardella breweri subsp. lanceolata Carl Epling 1932-6-26 s.n. Riverside San Bernardino Valley region, Jurupa Hills 610 Comment
  CHSC21752  Monardella macrantha subsp. hallii Robert A. Schlising 1968-8-17 2906 Riverside On trail to San Jacinto Peak, above Marian Mt. campground. Comment
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Jul 22 2020
  PASA1143  Monardella macrantha var. longiloba Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 2224 Comment
  IRVC2056  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-9 SJ 365 Riverside Elks Road. slope SW 25 degrees. Peninsular Ranges, Santa Rosa Mountains Comment
  LA96111  Monardella nana Elizabeth McClintock; 1940-5-26 11 Riverside about 1.5 mi. W of Pinon Flats, Pines to Palms Highway Comment
  UC1499901  Monardella nana Elizabeth McClintock 1941-6-8 62 Riverside Road to Santa Rosa Mts. 2.6 miles above Pines to Palms Highway Comment
  RSA0014347  Monardella nana Elizabeth McClintock 1941-6-8 58 Riverside Road up Santa Rosa Mt. 0.6 miles above Pines to Palms Highway. Comment
  RSA50569  Monardella nana subsp. arida E. C. Jaeger 1949-7-25 s.n. Riverside Virgin Spring, north slope of Toro Peak. Santa Rosa Mtn. 2378 Comment
  SEINET4151978 Image available Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 80 Riverside Peninsular Range; Santa Rosa Mtns.; road up Santa Rosa Mountain, 5.5 miles beyond canyon where stream crosses road 2317 Comment
  UCR221497  Monardella nana subsp. arida Elizabeth McClintock 1940-5-19 05 Riverside Peninsular Range; Santa Rosa Mtns., 0.25 mi. off Pines to Palms Highway, on road to Santa Rosa Mtn. 1433 Comment
  RSA287096  Monardella nana subsp. tenuiflora J. Derby 1978-6-9 s.n. Riverside San Jacinto Mountains: Lake Fulmor. Southeast of present L. Fulmor parking lot. Comment
  UC1499816  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-17 119 Riverside trail to Suicide Rock (at the stream which crosses the trail, a short distance beyond the forks); San Jacinto Mts. Comment
  UC1499829  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 126 Riverside trail to Hidden Lake (below the point at which the switchbacks begin); San Jacinto Mts. Comment
  SEINET10582078  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 45 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  UCR125893  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24594 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  UC72711  Monolepis nuttalliana Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR228160  Monolepis nuttalliana Dave Silverman 2010-3-24 7830 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.3 km SE of Sidewinder Well, 2.0 km SW of Palen Dunes Dr., and 4.6 km N of Interstate 10 130 Comment
  CAS-BOT-BC505216  Monolopia lanceolata Cindy Daverin 2015-3-11 s.n. Riverside Gavilan Hills, El Sobrante Landfill mitigation property/Lake Mathews-Estalle Mountain Reserve, S of Lake Mathews and of Cajalco Rd., 1.3 km WNW (288 deg. ) of Monument Peak 443 Comment
  RSA94162A  Monoptilon bellidiforme F. W. Peirson 1928-4-24 7899 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  CAS-BOT-BC349795  Monoptilon bellioides J. H. Thomas 1949-2-28 56 Riverside Southern part of Palm Springs Comment
  RSA65658  Montia fontana F. W. Peirson 1922-5-20 s.n. Riverside Hemet Valley. (San Jacinto Mountains) 1402 Comment
  RSA0121453  Muhlenbergia asperifolia Duncan S. Bell, LeRoy Gross 2016-3-30 9133 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
  UCD86664  Muhlenbergia filiformis Peter Kamb 1948-7-11 1191 Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  CAS-BOT-BC502083  Muhlenbergia microsperma A. C. Sanders; Jim Malusa 2015-3-11 41398 Riverside Sonoran (Colorado) Desert: Chocolate Mtns, Gasline Rd at jct with road to Observtion Point Slats, US Navy Chocolate Mtns Aerial Gunnery Range 723 Comment
  UCR20457  Muhlenbergia minutissima John C. Roos, L. Roos 1952-10-19 5903 Riverside Little San Bernardino Mtns, Hidden Valley Campground 1220 Comment
  UCD87110  Muhlenbergia rigens F. M. Reed 1934-9-26 8955 Riverside San Jacinto Mts. Creek bed adjoining Herkey Creek Camp. 1341 Comment
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May 1 2011
  RSA367333  Muilla maritima Gale Sphon 1955-5-21 s.n. Riverside 6 miles south of Banning. Comment
  UCR226087  Muilla maritima A. C. Sanders, T. B. Salvato 2011-4-1 38958 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  POM11832  Myosurus minimus subsp. apus P. A. Munz 1922-4-29 5061 Riverside 3 miles south of Elsinore 381 Comment
  RSA336177  Myosurus minimus subsp. apus Robert F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51964 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA85153  Myosurus minimus subsp. apus J. C. Roos 1952-4-9 5515 Riverside Edgemont near Box Springs. 488 Comment
  UC217897  Nama P. A. Munz, D. Keck 1922-4-13 4931 Riverside Hayfields Colorado Desert, Chuckawalla Valley, Hayfields (Chuckawalla Valley, Colorado Desert, dry basin) 152 Comment
  RSA253658  Nama demissa Noel Holmgren 1973-3-23 6485 Riverside At south entrance to Joshua Tree National Monument, near I-10, 24 miles east of Indio. 549 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
  JOTR33994  Nama demissa var. demissa La Doux, Tasha, M. Harding 2010-4-7 2882 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UC572341  Nama demissa var. demissa H. S. Yates 1937-3-23 6408 Riverside three mi n Palm Springs; San Jacinto Quad., n of Palm Springs 213 Comment
  POM194892  Nama hispida var. revoluta Roxana S. Ferris 1928-4-22 7188 Riverside Colorado River bottom near Ripley South of Blythe. Comment
  POM14039  Nama hispida var. spathulata P. A. Munz, D. D. Keck 1922-4-8 4740 Riverside Mecca, Colorado desert. -30 Comment
  RSA27045  Nama hispida var. spathulata C. L. Hitchcock 1940-4-4 5950 Riverside Pinto Basin. Comment
  RSA648067  Nama hispida var. spathulata J. C. Roos 1949-4-9 4203 Riverside 3 mi. N.E. of Desert Center. Comment
  UCR110404  Nama stenocarpa A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23173 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
  RSA601113  Nasturtium officinale A. C. Sanders, G. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18112 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats. 1098 Comment
  RSA674968  Navarretia atractyloides Scott D. White, Teresa Salvato 2001-6-8 8578 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR220148  Navarretia atractyloides D. E. Bramlet 1989-5-15 1859 Riverside Peninsular Range, North Domenigoni Hills, near top of knoll 2184, 5600 ft. north of Newport Road and 9200 ft. east of the MWD canal 622 Comment
  UCR256780  Navarretia atractyloides T. B. Salvato, Matthew Malle 2013-5-20 7577 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
  SD138833  Navarretia fossalis Craig Reiser 1993-4-25 Riverside South side of Highway 79, perhaps I(c) mile east of Los Caballos Road. (IPB 3/06) Comment
  SEINET1869534  Nemacladus glanduliferus Robert F. Thorne, W. Wisura, A. Shmida and R. Whittaker 1978-1 52037 Riverside San Jacinto Mountains: Chino Canyon, Palms to Pines Highway. Comment
  SEINET10840560  Nemacladus longiflorus Samuel B. Parish Parish 1628 Riverside San Jaciento Mountains Comment
  JEPS31042  Nemacladus longiflorus var. longiflorus W. P. and A. G. Vestal 1963-5-19 Riverside ca 1.5 mi ne Aguanga (granite slope to sw) Comment
  RSA791482  Nemacladus orientalis J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21089 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  RSA543863  Nemacladus ramosissimus Steve Boyd, D. E. Bramlet 1991-5-13 6251 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  SEINET10840516  Nemacladus rubescens Hall Hall 5838 Riverside Near Salton 30 Comment
  POM184247  Nemophila menziesii P. A. Munz 1932-3-24 12023 Riverside North of Elsinore 305 Comment
  RSA421341  Nemophila menziesii Julia McClure 1940-05 s.n. Riverside San Jacinto. Comment
  RSA523372  Nemophila menziesii G. H. True 1935-2-22 11 Riverside Mockingbird Canyon. 457 Comment
  RSA783625  Nemophila menziesii J. D. Olmsted 1962-5-3 3479 Riverside on Baldy Mountain along Pines to Palms Hwy, 1.5 miles S of 4936 summit south of Mt. Center 1311 Comment
  UCR117424  Nemophila menziesii var. integrifolia A. C. Sanders 1994-5-29 14580 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  POM363669  Nicolletia occidentalis Jack Rempel, Erwin Miller 1934-4-28 18733 Riverside S of Pass between Horse and Pleasant Valleys Wash 1220 Comment
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Dec 11 2011
  RSA784968  Nicotiana Duncan S. Bell 2012-3-18 3231 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  POM50373  Nicotiana glauca W. W. Eggleston 1924-3-8 195249 Riverside Hemet. 480 Comment
  UCR180600  Nicotiana glauca Scott D. White, Angelia Carey 2004-4-5 10015 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA596161  Nicotiana glauca D. L. Banks 1996-11-7 1214 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
  RSA799245  Nicotiana obtusifolia Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 733 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  OBI35027  Nicotiana obtusifolia Sears 1977-10-12 S 572 Riverside Corn Spring, Desert Palm Oasis 512 Comment
  RSA0018750  Nicotiana obtusifolia F. W. Peirson 1920-2-15 s.n. Riverside Murray Canyon near Palm Springs Comment
  UC26156  Nicotiana quadrivalvis Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR16396  Nicotiana quadrivalvis Rex Sanders 1973-5-13 s.n. Riverside Santa Ana Mtns, along Hwy 74, 3.19 mi from Orange County line, in Riverside Co., about 1/3 from the top of the canyon, coastal side of the mountains 457 Comment
  RSA58889  Nolina parryi Philip A. Munz 1950-6-23 14919 Riverside 1.5 miles SE of Kenworthy, on road toward Coahuilla and Aguanga. 1524 Comment
  UC575034  Nolina parryi C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  UCSB859  Nolina parryi Ralph, F. 1959-5-17 Riverside Across Hwy, 74 from Pinon Flats Campground about 15.1 miles south of Palm Desert City Limits 1219 Comment
  JEPS43999  Oenothera californica Marjorie Clary 1929-10-18 2 a Riverside w slope Santa Rosa Mt. (trail to summit) 1981 Comment
  POM355282  Oenothera californica subsp. californica N. C. Cooper 1944-4-22 1143 Riverside Banning. 762 Comment
  POM355588  Oenothera deltoides subsp. deltoides A. Menke 1955-4-26 s.n. Riverside Indian Wells Comment
  RSA718760  Oenothera deltoides subsp. deltoides Michael Honer, L. Hulse 2004-4-14 1945 Riverside Rice Valley; appx. 2 mi. SE of Rice. 240 Comment
  RSA4926  Oligomeris linifolia Carl B. Wolf 1932-4-28 3072 Riverside Chuckwalla Valley, 20 miles west of Blythe on the Mecca road 122 Comment
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Mar 26 2011
  UCR112088  Oligomeris linifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23362 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR18944  Olneya tesota John C. Roos 1965-12-4 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 2 mi. SE of Desert Center 366 Comment
  RSA586860  Opuntia basilaris var. basilaris D. L. Banks, S. D. Boyd 1995-5-3 0248 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
  UCR32321  Opuntia basilaris var. basilaris Faulkner 1978-3-21 341 Riverside Sonoran (Colorado) Desert, 9 mi. north of Blythe on Hwy 95 152 Comment
  RSA696233  Opuntia bigelovii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  UCR26540  Opuntia littoralis A. C. Sanders, S. Hagopian 1981-5-20 2145 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  POM285351A  Opuntia phaeacantha Lyman Benson 1955-12-6 15622 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA22787  Opuntia phaeacantha C. B. Wolf, P. C. Everett 1938-9-29 9462 Riverside 9 miles from Temecula on road to Aguanga. Fork of Temecula wash. 335 Comment
  RSA357376  Orcuttia californica F. W. Peirson 1922-5-19 3028 Riverside Menifee Valley Comment
  VVC2183  Orcuttia californica Tim Thomas, Bill Baker 1983-6-30 579 A Riverside Santa Rosa Plateau, Burro Mesa 630 Comment
  JEPS11678  Orobanche californica subsp. feudgei W. L. Jepson and H. M. Hall May 17, 1901-June 1, 1901 1458 Riverside Van Deventer's Ranch. Comment
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May 1 2016
  SBBG7248  Orobanche cooperi H. and M. Dearing 1940-1-1 4066 Riverside NE of Mecca 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
  UC888001  Orobanche cooperi P. A. Munz, D. Keck 1922-4-13 4960 Riverside Colorado Desert, s base of Eagle Mountains Eagle Mountains; Colorado Desert, Eagle Mountains 213 Comment
  UCR168364  Orobanche cooperi G. D. Wallace 1967-4-29 721 Riverside Sonoran (Colorado) Desert, NE of Coxcomb Mtns.; 15 miles NE of Desert Center along Parker Dam Hwy 305 Comment
  UCR42408  Orobanche cooperi J. M. Stewart 1986-1-26 86 10 Riverside Western Colorado Desert, SE end of Mecca Hills Comment
  SEINET10500314  Orobanche cooperi David B. Dunn 1946-3-17 Dunn 2107 Riverside Growing in desert sand on alluvial fan from Pushawalla Canyon. Indio hills. Both Larrea and Hymenoclea and also Franseria growing close by. Comment
  UCR24887  Orobanche fasciculata A. C. Sanders 1980-7-18 1635 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA586105  Orobanche fasciculata D. L. Banks, S. D. Boyd 1995-4-5 145 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, W of the Dripping Springs Trail., On alluvial terraces of the W fork of Arroyo Seco. 622 Comment
  UCR92227  Osmorhiza brachypoda Steve Boyd, Darin Banks 1995-3-30 8412 Riverside Palomar Range, Agua Tibia Wilderness Area, N flank of A. T. Mtn, at W edge of the Dripping Springs Alcove in tributary of Kolb Crk just east of the old Woodchuck Truck Trail. 671 Comment
  SD152795  Oxalis californica Steve Boyd 1992-4-14 6873 Riverside Santa Ana Mtns, San Mateo Wilderness Area. Bluewater Cyn along Bluewater Tr. Downstream to the confluence with San Mateo Creek 334 Comment
  UCR90394  Oxalis californica D. L. Banks, Steve Boyd 1995-5-9 0360 Riverside NW Palomar Mtns., North of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtns, the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 793 Comment
  RSA553952  Oxytheca emarginata G. R. Ballmer 1991-6-22 s.n. Riverside SE end of Garner Valley, on Pacific Crest trail, 2-3 miles N of jct. with Hwy 74; in vicinity of Bull Canyon Comment
  UC849856  Oxytheca trilobata P. A. Munz 1922-6-25 5818 Riverside Vandeventer Flat San Jacinto Mts. 1402 Comment
  UCR24259  Oxytheca trilobata John C. Roos 1943-5-23 2672 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  OBI74593  Paeonia californica David J. Keil 1983-4-15 16904 Riverside E of Temecula on SR79 Comment
  CAS-BOT-BC327910  Palafoxia arida Geo. B. Grant 1906-5-1 906 -6748 Riverside Colorado Desert. Palm Springs Comment
  CAS-BOT-BC327916  Palafoxia arida Mrs. Robert Campbell 1921-11-26 6 Riverside Between Palm Springs and Indian Wells Comment
  SEINET3148312  Palafoxia arida S. B. Parish 1907-4-19 6098 Riverside Western border of the Colorado desert 150 Comment
  SFV9414  Palafoxia arida M. L. Vincent, R. H. Swade 1963-10-19 453 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  POM363737  Palafoxia arida var. arida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  POM363743  Palafoxia arida var. arida M. B. Dunkle 1935-3-17 4401 Riverside Desert Center. 610 Comment
  RSA23143  Palafoxia arida var. arida I. L. Wiggins 1938-3-19 8902 Riverside 25 miles W of Blythe. Comment
  RSA780228  Palafoxia arida var. arida Stephanie Rockwood, Christi Gabriel 2011-10-12 105 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  UC402946  Palafoxia arida var. arida H. E. and S. T. Parks Feb. 1929 396 Riverside Palm Springs Palm Springs (and southward) Comment
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Feb 23 2010
  UC577424  Palafoxia arida var. arida J. and H. W. Grinnell 1937-11-30 1089 a Riverside lakebed 24 mi w Blythe; Ford Dry Lake Comment
  UC39300  Panicum acuminatum var. acuminatum H. M. Hall June 1901 2244 Riverside North Fork San Jacinto River San Jacinto Mountains, North Fork San Jacinto River (Southern California) 914 Comment
  RSA126976  Panicum capillare H. S. Yates 1937-6-27 6707 Riverside Near Relief Hot Spring. 457 Comment
  SD67091  Papaver californicum E. Norland 1967-5-12 Riverside Temecula Canyon on Santa Margarita River, northwest of Rainbow. Comment
  SEINET191850 Image available Pappostipa speciosa C. L. Hitchcock 1940-4-12 6046 Riverside 8 mi NW of Elsinore Comment
  RSA775104  Parietaria hespera Duncan S. Bell, Michael Hee 2011-3-18 2049 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  GMDRC5514  Parkinsonia florida J. Andre 2012-3-19 21342 Riverside Chuckwalla Valley: along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of Jct with I-10 freeway 157 Comment
  RSA0098482  Parkinsonia florida Marc A. Baker 2015-4-15 18328 Riverside San Gorgonio Pass, 8 km east of Banning, 30 km WNW of Palm Springs, 4 km WNW of Cabazon. 646 Comment
  SJSU5172  Parkinsonia florida R. C. McGehee 1970-4-14 187 Riverside Rice Rd 7 mi NE of Desert Center Comment
  UCR163090  Parkinsonia florida B. G. Pitzer 2000-5-7 4143 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR245248  Parkinsonia florida Jim Andre 2012-3-19 21342 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
  UCSB2975  Parkinsonia florida Haller, John 1960-4-2 Riverside South side of U.S. 60-70, 5.8 miles east of Desert Center 243 Comment
  JOTR16608  Pectis papposa var. papposa Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROADSIDE BETWEEN RYAN MOUNTAIN AND CAP ROCK 1310 Comment
  RSA782001  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 110 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
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Apr 1 2019
  UCR234813  Pectocarya heterocarpa Jim Andre, Glenn L. Clifton 2011-2-22 17478 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  CLARK-A1528-2249  Pectocarya linearis John C. Roos 1952-2-29 5371 Riverside Reche Canyon 457 Comment
  UC1922868  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Lake Fulmor 7.5' Quad. Comment
  UCR22070  Pectocarya linearis Steve Boyd 1980-4-27 143 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  RSA770296  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4582 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC25023  Pectocarya linearis subsp. ferocula Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR49252A  Pectocarya linearis var. ferocula Steve Boyd 1986-3-9 1385 A Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  UCR85078  Pectocarya penicillata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16039 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UCR116623  Pectocarya peninsularis A. C. Sanders 2001-3-20 23853 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  CLARK-A1528-2252  Pectocarya platycarpa John C. Roos 1937-5-2 1838 Riverside Frost Reservoir Comment
  RSA524606  Pectocarya recurvata Steve Boyd 1990-3-29 3929 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA401953A  Pedicularis densiflora E. Crow 1929-4-7 304 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA5899  Pedicularis semibarbata Carl B. Wolf 1932-8-5 3972 Riverside Slopes of San Jacinto Peak, 1/2 / 2/3 mi. below simmit of trail to Idyllwild. 3049 Comment
  UCR165830  Pellaea mucronata T. B. Salvato, John F. Green 2004-5-27 626 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
  UC812401  Pellaea mucronata var. mucronata P. A. Munz and I. M. Johnston 1922-5-6 5225 Riverside Smith Water Canyon; Little San Bernardino Mts 1066 Comment
  UCR9268  Pennisetum clandestinum O. F. Clarke 1969-11-10 s.n. Riverside University of California, Riverside Comment
  CLARK-A1045-115  Penstemon antirrhinoides George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep Canyon; Palm Desert 15'Q Comment
  RSA0006178  Penstemon californicus Philip A. Munz, J. M. Johnston 1922-5-21 5445 Riverside San Jacinto Mts., Kenworthy, Hemet Valley; 2 miles NW of Kenworthy. 1372 Comment
  SDSU10931  Penstemon centranthifolius W. T. Wiliams 1962-5-12 Riverside San Jacinto, 5 miles N of Idyllwild. Growing 10 feet W of Hwy. Comment
  CAS-BOT-BC265290  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-30 15097 Riverside N of Vandeventer Flat, Santa Rosa Mountains 1676 Comment
  UC667333  Penstemon clevelandii var. mohavensis Annie M. Alexander and Louise Kellogg 1941-5-4 2120 Riverside Joshua Tree National Monument, Barker Dam Barker Dam; Joshua Tree National Monument, Barker Dam 1322 Comment
  JOTR31066  Penstemon eatonii var. eatonii La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2048 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 5: side canyon above Smith Water Canyon on west side of Quail Mountain region Comment
  JOTR32360  Penstemon eatonii var. undosus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2475 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  JEPS8086  Penstemon grinnellii var. grinnellii Carl V. Meyer 1928-7-31 607 Riverside Summit of Tahquitz Peak San Jacinto Mountains, Summit of Tahquitz Peak Comment
  POM12228  Penstemon labrosus Mary F. Spencer 1921-7-11 658 Riverside Idyllwild. 1829 Comment
  RSA2593  Penstemon spectabilis J. T. Howell 1928-7-9 1061 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  SDSU10974  Penstemon spectabilis Thomas A. Zink 1971-7-1 Riverside Alongside Indian Canyon rd. about 1 mile west of junction with Temescal Canyon Rd. at foot of Trabuco Peak. 518 Comment
  SEINET3208893  Penstemon spectabilis G. Goodwin 2012-6-14 3448 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  JEPS21330  Pentachaeta aurea W. L. Jepson May 17 1901-Jun 1 1901 1321 Riverside Thomas Valley Comment
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Feb 16 2013
  RSA753482  Pentachaeta aurea Scott D. White, Justin M. Wood 2009-5-21 12861 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  RSA772404  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4862 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  CAS-BOT-BC77475  Peritoma arborea var. angustata Roxana S. Ferris 1918-6-14 990 Riverside At Shavers Well in Box Canyon, Chocolate Mts. Comment
  UC1070053  Perityle emoryi H. S. Yates 1937-3-24 6473 Riverside near mouth Deep Canyon; Thermal Quad. Comment
  UCR274808  Perityle emoryi David Fraker, Aaron C. Sedgwick 2012-3-22 024 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  SEINET10908390  Perityle emoryi David B. Dunn 1946-3-15 Dunn 2046 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  SDSU13613  Persicaria lapathifolia W. Miller, C. Mosse 1972-8-9 Riverside Comment
  POM264161  Petunia parviflora J. C. Roos 1937-6-7 498 Riverside South of Sage. Comment
  RSA535082  Petunia parviflora Steve D. Boyd 1991-5-30 6318 Riverside Murrieta area, Warm Springs Creek at NW end of the Hogbacks, S of Alamos Rd. 396 Comment
  UCR110405  Petunia parviflora A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23174 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
  CAS-BOT-BC326762  Peucephyllum schottii Noel H. Holmgren; Patricia K. Holmgren 1974-3-23 7478 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 243 Comment
  RSA663863  Peucephyllum schottii C. R. Annable 1995-3-15 2286 Riverside 2km S of Lake Cahuilla County Park. Comment
  UCR168266  Peucephyllum schottii Scott D. White 2001-4-3 8241 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  SEINET9118770  Peucephyllum schottii K. K. Muller 1952-1 559 Riverside 2 mi. N of Dos Palmas on road from Hot Mineral To Mecca-Blythe Hwy. Comment
  UC64053  Phacelia H. M. Hall 1897-3-10 381 Riverside vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR159151  Phacelia George K. Helmkamp 1998-4-4 3129 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  CLARK-A1656-667  Phacelia bicolor Lois Ann Scott 1978-3-28 Riverside Joshua Tree National Park 1066 Comment
  RSA769029  Phacelia brachyloba E. W. Lathrop 1968-5-30 6939 Riverside Main divide truck trail between El Carriso and Santiago Peak; Cleveland National Forest 1220 Comment
  CLARK-A1656-870  Phacelia campanularia Lois Ann Scott 1977-12-2 Riverside Big Morongo Canyon Comment
  RSA427709A  Phacelia campanularia Ora M. Clark 1929-2-23 1551 Riverside N. Whitewater. Comment
  RSA160528  Phacelia campanularia subsp. vasiformis J. D. Olmsted 1958-3-29 83 Riverside 24 miles N of Jct between Cottonwood Pass and Cottonwood Spring Roads, Joshua Tree. 991 Comment
  HSC28423  Phacelia crenulata Richard Spjut 1973-4-6 3269 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  UCR166871  Phacelia crenulata 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
  RSA426209  Phacelia distans N. C. Cooper 1945-5-24 1633 Riverside Big Oaks Canyon, Banning 1220 Comment
  RSA700024  Phacelia distans Scott D. White, Michael Honer 2003-4-25 9101 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA714422  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  RSA777678  Phacelia distans Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 982 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  SBBG80514  Phacelia distans M. Rosczyk, G. K. Helmkamp 1985-4-4 256 Riverside W side of the main cyn just below the BLM gate 533 Comment
  UCD120417  Phacelia distans Geoffrey Levin 1974-3-30 5 Riverside Chino Canyon below the tramway. San Jacinto Mts. Mt. Range. 426 Comment
  UCR117095  Phacelia distans A. C. Sanders, T. B. Salvato 2001-5-16 24291 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR228918  Phacelia distans A. C. Sanders 2011-4-6 39014 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  JEPS19793  Phacelia ivesiana Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6202 Riverside 9.4 mi n of Blythe (at western base of Big Maria Mountains); Big Maria Mountains 167 Comment
  JEPS2097  Phacelia ivesiana E. E. Schellenger May 1920 Riverside e Coachella; Colorado Desert Comment
  RSA571313  Phacelia minor Steve Boyd, D. L. Banks 1994-4-5 8262222 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
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Feb 17 2013
  RSA700025  Phacelia minor Scott D. White, Michael Honer 2003-4-25 9100 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR224447  Phacelia minor Steve Boyd, Susan Jett 2008-3-20 11826 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR50291  Phacelia parryi B. G. Pitzer, H. P. Hall, J. L. Hall 1987-5-23 0564 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  JOTR36459  Phacelia rotundifolia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3429 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  RSA74836  Phacelia suaveolens subsp. keckii F. W. Peirson 1931-5-30 9378 Riverside Trail from Glen Ivy to Santiago Peak 1372 Comment
  UCR40514  Phalaris aquatica Steve Boyd 1985-8-7 1112 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Rd., 3.3 mi east of junction with 8S01 and 8S02 Comment
  UCR182516  Phalaris paradoxa Mitch Provance 2005-5-17 6569 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
  CAS-BOT-BC128869  Philadelphus microphyllus Edmund C. Jaeger 1922-8-16 s.n. Riverside Ridges on rim of San Jacinto Mts. above Chino Canyon [Canon] - San Jacinto Mts. 2590 Comment
  JOTR32531C  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  UCR245748  Pholisma arenarium Duncan S. Bell 2009-4-18 216 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  UC669279  Pholistoma membranaceum Annie M. Alexander and Louise Kellogg 1941-2-28 1880 Riverside Andreas Canyon e. slope San Jacinto Mts., Andreas Canyon 350 Comment
  RSA793530  Phoradendron californicum Naomi S. Fraga, David Fraker, Tommy Stoughton 2012-3-15 3953 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SEINET3073027 Image available Phoradendron californicum Dennis Kucera 1987-11-14 Riverside Malki Museum garden, E of Banning off Fields Road, Morongo Reservation. 610 Comment
  UCR48553  Phoradendron californicum J. Glazner 1985-3-24 s.n. Riverside San Bernardino Mtns., Whitewater Canyon, 3 mi. north of I-10 and 1 mile south of Whitewater trout co. 442 Comment
  JOTR30291  Phoradendron densum Andre, Jim, Tasha La Doux 2007-9-6 8702 Riverside Joshua Tree National Park. Approximately 5 miles South of West Entrance of Joshua Tree National Park 1225 Comment
  RSA604716  Phoradendron macrophyllum Louis C. Wheeler 1961-10-8 7931 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  CLARK-A1528-888  Physalis crassifolia Charlotte Stocks 1963-5-26 Riverside La Quinta Comment
  UCR103579  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-1-17 2549 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  RSA278977  Physalis crassifolia var. crassifolia Barry A. Prigge, L. Martinez 1978-3-23 2429 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  LA6049  Pinus contorta subsp. murrayana Virginia Mars; 1951-5-26 sn Riverside San Jacinto Mountains, Tahquitz Peak 2285 Comment
  MACF019470  Pinus coulteri Trudy R. Ericson 1974-11-9 264 Riverside St. 243 from Banning to Idyllwild at intersection with Vista Grande Road, San Bernardino National Forest 1554 Comment
  SEINET5486724 Image available Pinus coulteri Richard Carter 1984-12-25 Riverside 20M tree. Elev. @ 4500, 1.5 mi. NE of Anza on hwy 371. Comment
  CDA14910  Pinus monophylla L. D. Merrill 1998-8-11 s.n. Riverside Transverse Ranges; Santa Rosa Mountain. 0 Comment
  RSA0077527  Pinus ponderosa G. Wallace 1964-4-22 s.n. Riverside Idlewild Area. Comment
  HSC79815  Pinus quadrifolia D. H. Wilken 1965-3-1 61 Riverside Paradise Valley S end of Thomas Mtn., San Jacinto Mtns. 1433 Comment
  UCSB26244  Piperia transversa Gliessman, Stephen 1968-7-24 Riverside 50 yards south of Saunders Road; 0.1 mile east of junction with Idyllwild Road; San Jacinto Mountains 1584 Comment
  RSA192204  Plagiobothrys arizonicus E. W. Lathrop 1963-3-27 5359 Riverside 10 miles W of Murieta. 610 Comment
  RSA715329  Plagiobothrys canescens John Green 2006-4-18 s.n. Riverside NE of Murrieta, just S of Los Alamos Rd. (Clinton Keith Rd.), on E and W sides of Liberty Rd. border between City of Murietta and unincorporated French Valley. 415 Comment
  UCR171979  Plagiobothrys canescens John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  RSA180396  Plagiobothrys canescens var. canescens E. W. Lathrop 1965-3-30 5600 Riverside 14 miles W of Murrieta. Comment
  UC1563092  Plagiobothrys collinus Steve Boyd 1986-3-1 1370 Riverside Gavilan Plateau, Gavilan Hills: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR150243  Plagiobothrys collinus John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  RSA674550  Plagiobothrys collinus var. californicus Scott D. White 2000-5-1 7751 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  RSA614631  Plagiobothrys nothofulvus D. L. Banks 1997-3-29 1565 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
  SEINET7073341  Plagiobothrys nothofulvus A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  POM368963  Plagiobothrys tenellus Christopher Davidson 1973-4-1 1827 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 427 Comment
  HSC46429  Plagiobothrys undulatus Christopher Davidson 1977-5-25 5641 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA192205  Plagiobothrys undulatus E. W. Lathrop 1966-4-24 6202 Riverside 4 miles W of Murrieta Comment
  CHSC8091  Plantago Edward L. Smith 1958-3-21 371 Riverside Located 6 mi. s of Rice, near Priests Well. Little Santa Maria Mtns. 365 Comment
  UCR76164  Plantago elongata A. C. Sanders 1993-4-1 13663 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  POM4545  Plantago erecta Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  RSA654549  Plantago erecta Starr Streight 1982-4-17 40 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  CLARK-A1528-3429  Plantago insularis John C. Roos 1966-3-20 Riverside Comment
  UCR43205  Plantago major B. G. Pitzer 1986-5-24 0246 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  JEPS22327  Plantago ovata Peter H. Raven 1958-2-15 11563 Riverside Corn Springs Chuckwalla Mountains Comment
  RSA776013  Plantago ovata Duncan S. Bell 2010-3-20 615 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SEINET7048025  Plantago ovata Steven R. Hill, Kate Kramer 2001-4-27 33495 Riverside California Route 86, west side of U.S. Navy Salton Sea Test Base road just east of Route 86. About 10.4 miles south of Salton City. Elevation 16 feet. 4 Comment
  RSA516906  Plantago ovata var. fastigiata Steve Boyd, Orlando Mistretta 1986-3-13 1432 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  UCR84590  Plantago patagonica Scott D. White, S. Ogg 1994-4-21 1972 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  POM12756  Platanthera leucostachys Philip A. Munz 1922-7-6 5990 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  POM13874  Platanthera leucostachys E. C. Jaeger 1921-7-12 1169 Riverside Deer Springs. San Jacinto Mountains. Comment
  UC4555  Platanthera leucostachys H. M. Hall July 1901 2448 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 1889 Comment
  RSA604604  Platanus racemosa Louis C. Wheeler 1961-10-8 7930 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  UC855253  Platystemon californicus P. A. Munz and I. M. Johnston 1922-5-20 5457 Riverside Kenworthy; San Jacinto Mts., Kenworthy 1402 Comment
Read comments
Mar 25 2011
  SEINET3221554 Image available Pleuraphis rigida E. R. Blakley 1962-11-25 5481 Riverside 50 miles west of Blythe on U.S. Highway 60-70 122 Comment
  UC38597  Pleuraphis rigida H. M. Hall June, 1901 2118 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); borders of the Colorado Desert, San Jacinto Mountains Comment
  SEINET7048173  Pleuraphis rigida Steven R. Hill 2001-5-3 33679 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
  RSA0043057  Pleurocoronis pluriseta Duncan S. Bell, Evan Meyer 2014-4-1 6484 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 4.5 air miles northwest of Gucci Spring; about 4.5 air miles north of the Bradshaw Trail. 652 Comment
  SBBG53816  Pleurocoronis pluriseta E. A. Cardiff 1968-2-25 Riverside S side of Painted Cyn in Mecca Hills Comment
  CAS-BOT-BC326547  Pluchea sericea Herman Knoche 1919-6-1 592 Riverside Palm Springs Comment
  CAS-BOT-BC326548  Pluchea sericea H. M. Hall 1901-1-1 s.n. Riverside San Jacinto Mountains Comment
  CLARK-A1528-283  Pluchea sericea John C. Roos, Lucille Roos 1951-10-24 5340 Riverside Pedley 228 Comment
  RSA0014461  Pluchea sericea Justin M. Wood, J. Miner 2010-4-29 1534 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  UC39613  Poa bolanderi H. M. Hall 1901-7 2594 Riverside Tamarack Valley; San Jacinto Mts 2804 Comment
  UC1618052  Poa fendleriana subsp. longiligula Donald G. Nelson 1936-5-21 373 Riverside e Lake Hemet (n of Mt Thomas, just n of meadow in valley just e of Jurkey Creek Camp area); San Jacinto Mts Comment
  SD146083  Poa pratensis subsp. pratensis G. K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5018 Riverside Northern Sierra Nevada Range; N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC1930120  Poa secunda Scott D. White, Michael Honer 2003-4-29 9122 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. Comment
  SD130270  Polygala cornuta var. fishiae Scott White 1990-6-16 Riverside Cleveland National Forest, east wall of Hagador Canyon, foot of west-facing slope, near mouth, on private land just inside of the Forest boundary 395 Comment
  UC64590  Polygonum douglasii subsp. douglasii H. M. Hall July 1901 Riverside San Jacinto Mountains; meadow of w side 2286 Comment
  RSA689924  Polypodium californicum Anonymous s.n. Riverside Near Riverside. Comment
  UCR160845  Polypogon monspeliensis T. B. Salvato, Kelly Volansky 2003-3-27 118 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR167199  Polypogon monspeliensis S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  RSA520948  Polystichum imbricans subsp. curtum Steve Boyd, Dave Bramlet 1988-10-8 2873 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA674523  Polystichum imbricans subsp. curtum Scott D. White 2000-11-15 8145 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  RSA679172  Polystichum imbricans subsp. curtum Fred M. Roberts 2003-6-25 5953 Riverside Santiago Peak, south slope, Main Divide truck Trail, c.a. 0.1km S Bear Springs. 1219 Comment
  LA208534  Populus fremontii subsp. fremontii Mary V. Hood; 1945-3-25 45- 17 -k* Riverside Aguanga 587 Comment
  SD233936  Populus fremontii subsp. fremontii LeRoy Gross, Bart OBrien 2013-3-18 5951 Riverside Coastal Plains & Basins; San Bernardino Basin region: Fairmount Park, west side of Lake Evans, Riverside, NE of Mount Rubidoux (Riverside West 7.5'Q). 238 Comment
  RSA180294  Populus trichocarpa E. W. Lathrop 1965-4-18 5651 Riverside 10 miles west of Murrieta. Comment
  JOTR32652  Porophyllum gracile La Doux, Tasha, Bill Truesdell 2007-11-9 2526 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  RSA20308  Porophyllum gracile Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9537 Riverside 2 miles from Cottonwood Springs, Cottonwood Mts. Comment
  UCR60520  Porophyllum gracile Steve Boyd 1985-7-23 1044 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 3.5 mi west of the junction with Tenaja Trail Comment
  CAS-BOT-BC267206  Potamogeton foliosus Lathrop; Thorne 1967-9-26 6622 Riverside 6 miles NW of Murrieta Comment
  RSA0130690  Potamogeton pectinatus S. B. Bryant 1942-6-18 11277 Riverside Lake Norco Comment
  RSA0013897  Proboscidea althaeifolia Scott D. White, Justin M. Wood 2005-10-4 11235 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  UCR199764  Prosopis glandulosa Scott D. White, Justin Wood 2007-4-11 11649 Riverside San Bernardino Mountain foothills, San Gorgonio River wash, west side of Bluff St. Comment
  POM348749  Prosopis glandulosa var. torreyana Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea. Comment
  RSA0042162  Prosopis glandulosa var. torreyana Duncan S. Bell, Evan Meyer 2014-4-2 6525 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA698010  Prosopis juliflora W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  CAS-BOT-BC216518  Prosopis pubescens F. A. Thackery 1928-5-16 377 Riverside Indio Comment
  SBBG68566  Prosopis pubescens M. D. Clary 1931-1 1242 Riverside Colorado Desert -13 Comment
  SDSU13829  Prunus amygdalus W. Miller, C. Mosse Riverside Comment
  CAS-BOT-BC158293  Prunus fasciculata var. fasciculata F. A. M. 1936-3-20 15509 Riverside Morengo Valley Comment
  UCR16764  Prunus ilicifolia D. C. Wald 1967-5-13 s.n. Riverside Perris-Aguanga Basin region, Bernasconi Hills near Lakeview, on slope opposite Big Rock 503 Comment
  SDSU9146  Prunus ilicifolia subsp. ilicifolia Charles F. Phleger 1962-12-5 Riverside Collected on Hwy 74, 6 miles E of Hemet. Comment
Read comments
Jul 8 2009
  CAS-BOT-BC356342  Psathyrotes ramosissima Lewis S. Rose 1935-12-23 35686 Riverside Colorado Desert. 7 mi. S. of Cathedral City 152 Comment
  POM10451  Psathyrotes ramosissima Charlotte M. Wilder 1907-04 s.n. Riverside Palm Springs Station Comment
  JOTR35159  Pseudognaphalium canescens Harding, Mitzi, T. Herskovits 2011-9-14 158 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  UCR281103  Pseudognaphalium leucocephalum Mitch Provance, Jeremiah George 2017-3-21 317- 08 Riverside Temescal Valley, Horsethief Wash (E branch impeded by development), N of Hwy 15 and NNW of Horsethief Rd., area between Temescal Canyon Rd. and Temescal Creek 357 Comment
  JOTR30279  Pseudognaphalium luteoalbum La Doux, Tasha, Alice Miller 2007-5-31 1777 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  SEINET1093808 Image available Pseudognaphalium luteoalbum Geoffrey A. Levin, Judy Gibson, Bob Faught, Tyrone Seymour, Annette Winner, & Renee Levin 1993-7-3 2289 Riverside Volcan Mountain, Rutherford Ranch, near AT&T transmission station. 1650 Comment
  RSA557340  Psilocarphus brevissimus Julie Greene 1993-5-12 1314 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  SD37586  Psilocarphus brevissimus Edith A. Purer 1936-4-6 6880 Riverside South of Elsinore Comment
  SEINET7063441  Psilocarphus brevissimus var. multiflorus A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. Tucalosa Hills. UTM Zone 11, 499688mE, 3715592mN. (WGS84/NAD83). 527 Comment
  RSA561126  Psilocarphus tenellus Steve Boyd 1993-5-12 7309 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
  RSA770790  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4531 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  RSA799244  Psorothamnus emoryi Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 735 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UCD108316  Psorothamnus emoryi T. L. Secrest 1950-3-12 s.n. Riverside Near Indio. Comment
  UCR116819  Psorothamnus emoryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23950 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  SEINET7664706  Psorothamnus emoryi M. F. Gilman 1904-1 52 Riverside Colorado Desert. Comment
  POM128978  Psorothamnus schottii E. E. Schellenger 12 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  UCR148473  Psorothamnus schottii S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  SEINET12155971  Psorothamnus schottii E. A. Purer 1935-1 6462 Riverside Near Palm Springs, Colorado Desert Comment
  POM46967  Psorothamnus spinosus Mary F. Spencer 1918-3-27 756 Riverside Palm Springs. 137 Comment
  SEINET3407795 Image available Psorothamnus spinosus Wesley O. Griesel 1958-6-7 Riverside Colorado Desert near Palm Springs, Riverside County, California. Elevation sea level. Comment
  SEINET12155968  Psorothamnus spinosus Unknown 1936-1 12795 Riverside Colorado Desert N of Palm Springs Comment
  CAS-BOT-BC421250  Pterostegia drymarioides Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4029 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  CAS-BOT-BC421256  Pterostegia drymarioides Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA682147  Pterostegia drymarioides Scott D. White 2001-3-27 8174 Riverside Badlands: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  RSA784661  Pterostegia drymarioides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 68 Riverside South main divide road splitting Comment
  SEINET7073457  Pterostegia drymarioides A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR177991  Pterostegia drymarioides S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR214131  Pterostegia drymarioides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37735 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UC72989  Purshia tridentata var. tridentata M. F. Gilman 1904-1 36 Riverside Banning Comment
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Mar 13 2011
  UCD47670  Quercus X acutidens Robert F. Thorne; E. Lathrop 1969-6-6 39348 Riverside Santa Rosa Plateau: Rancho California. 609 Comment
  UCSB56473  Quercus X acutidens Thorne, Robert; Tilforth, C.; DeBuhr, L. 1975-8-29 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  RSA339327  Quercus X munzii Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53573 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line, near jnc od road to Split Rock and 29 Palms; Valley W of Pinto Mountains. Sandy wash at Live Oak Tank. 1326 Comment
  UC847809  Quercus agrifolia I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4735 Riverside Gavilan Peak, ravine bottom 600 Comment
  UCD58715  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 580 Riverside San Bernardino National Forest: San Jacinto Mountains: 2.3 mi. W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  SD152835  Quercus berberidifolia Steve Boyd, Tim Ross 1992-5-5 7218 Riverside Southern Santa Ana Mountains, San Mareo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero, in chaparral & oak woodland borders 730 Comment
  UC1605403  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside between Tenaja Trail and Fisherman's Camp (San Mateo Canyon, along San Mateo Trail , Southern Santa Ana Mountains); Cleveland Natl. For., Santa Ana Mts., San Mateo Canyon Wilde 426 Comment
  JEPS37487  Quercus chrysolepis W. L. Jepson 1903-8-5 2268 Riverside on side of Blind Canyon, San Jacinto Mt., Strawberry Valley Blind Canyon; San Jacinto Mt., Strawberry Valley 1737 Comment
  LA46436  Quercus chrysolepis W. E. Pequegnat; 1937-1 sn Riverside Santa Ana Mountains Comment
  RSA597520  Quercus chrysolepis Louis C. Wheeler 1945-10-6 6128 Riverside San Jacinto Mountains. North fork San Jacinto River. 1890 Comment
  SD229169  Quercus chrysolepis Dick Schwenkmeyer 2012-3-26 684 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  SD229175  Quercus cornelius-mulleri Dick Schwenkmeyer 2012-8-6 768 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UCSB38785  Quercus cornelius-mulleri Steele, Kelly; Wilson, Chris 1982-2-19 Riverside Corner of El Encino and Avenue La Cumbre; 0.3 miles north from the junction of Carrizo Road and Hwy. 74. San Jacinto Mts. 1036 Comment
  UCSB58830  Quercus cornelius-mulleri Muller, Cornelius 1941-8-10 Riverside San Jacinto Mtns, 12 miles S.E. of Keen Camp Comment
  CAS-BOT-BC86544  Quercus dumosa H. M. Hall 1899-5-1 s.n. Riverside Coyote Canyon, El Toro Mt. Comment
  UCR149944  Quercus engelmannii Scott D. White 2004-10-8 10776 Riverside Peninsular Ranges, 'Black Hills,' southeast of Lake Skinner and north of Oak Mountain 640 Comment
  UCR2937  Quercus engelmannii Wm. Horn Jr. 1963-4-20 630420- 2 Riverside Santa Ana Mtns., [Santa Rosa Plateau, on Tenaja Road west of] Murrieta, 100 yards west of dirt road to Tenaja Ranger Station, 4.8 miles west of Santa Rosa Ranch gate. 305 Comment
  CAS-BOT-BC105320  Quercus kelloggii Carl Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  CAS-BOT-BC105326  Quercus kelloggii Peter H. Raven; R. Snow 1957-7-26 11095 Riverside Banning - Idyllwild road, 0.9 mi N of Vista Grande Ranger Sation, San Jacinto Mts. Comment
  SBBG58953  Quercus kelloggii J. E. Butner 1948-10-3 660 Riverside 1 mi above Fern Valley, end of rd Comment
  RSA60418  Quercus wislizeni var. frutescens Frank W. Gould 1943-4-18 2136 Riverside 8 miles east [NW] of Idyllwild Comment
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Sep 29 2011
  RSA716342  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2006-10-11 6 -530 Riverside E of Rainbow Canyon, N of Rainbow Heights, Termite's Hike Trail. 595 Comment
  UCD47606  Quercus wislizeni var. frutescens C. W. Tilforth; W. Wisura 1979-10-11 1920 Riverside 2 mi. west of highway 74 along Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley, Riverside County, California. Comment
  RSA180443  Rafinesquia californica E. W. Lathrop 1965-5-9 5728 Riverside 6 miles W of Murrieta. Comment
  CDA8527  Rafinesquia neomexicana T. C. Fuller 1962-4-4 7995 Riverside Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  CLARK-A1528-2075  Rafinesquia neomexicana John C. Roos 1947-3-1 3304 Riverside Garnet Comment
  OBI8324  Rafinesquia neomexicana David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12065 Riverside Joshua Tree Natl Monument along Pinto Basin Rd. 2 mi N of Cottonwood campgrounds Comment
  PASA2620  Ranunculus aquatilis M. Stason 1931-5-24 Riverside Pond near Hurkey Creek Camp, Hemet Valley Comment
  RSA286794  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44657 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado in shallow water of small tenajas of small stream 610 Comment
  UC480948  Ranunculus cymbalaria var. saximontanus D. L. Crawford 745 Riverside at side of lake Riverside Comment
  UC56738  Raphanus sativus H. M. Hall April 1902 2989 Riverside vicinity of Riverside; Southern California 457 Comment
  UCR91291  Raphanus sativus Scott D. White, M. Jacobsmeyer 1996-4-20 3978 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR231042  Rhamnus californica A. C. Sanders, Kent Beaman 2011-9-27 39922 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  UCR24944  Rhamnus californica A. C. Sanders 1980-7-18 1642 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  CAS-BOT-BC59508  Rhamnus crocea A. C. Sanders; G. Waines 1997-3-12 19877 Riverside Lake Sinner area: lower Rawson Canyon, just NE of the lake along the road. 457 Comment
  OBI53609  Rhamnus crocea Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck trl 381 Comment
  SD225089  Rhamnus crocea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19877 Riverside Lake Skinner area: lower Rawson Canyon, just NE of the lake along the road. 456 Comment
  UCR140732  Rhamnus crocea A. C. Sanders 2004-5-12 27870 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  CAS-BOT-BC56043  Rhamnus ilicifolia A. C. Sanders; Tracy Tennant; Jeff Ross 1998-8-20 22217 Riverside San Bernardino Mtns.: Morongo Indian Reservation, Middle Branch Millard Canyon 1341 Comment
  CAS-BOT-BC56048  Rhamnus ilicifolia P. C. Everett 1935-6-18 7207 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1 1/2 mi. below (No.) main divide motorway 1280 Comment
  CAS-BOT-BC56050  Rhamnus ilicifolia I. M. Johnston 1930-6-15 3790 Riverside Lost Palms Canyon, above Anschutz Well, Eagle Mts. Comment
  RSA271886  Rhamnus ilicifolia C. W. Tilforth, Walter Wisura 1978-7-25 1653 Riverside Along Murrieta- De Luz Rd., west of Murrieta. Comment
  SD121810  Rhamnus ilicifolia Ward B. Holt 1941-10-23 18 1941 Riverside Open area, large sandy wash, near Split Rock, Joshua Tree National Monument Comment
  SEINET10778394  Rhinotropis cornuta var. fishiae J. Richard Abbott 2001-8-18 Abbott 14678 Riverside Santa Ana Mountains, San Juan Canyon, 6.7 miles SW of E-edge of Cleveland National Forest; 0.1 mile E of Orange County line on CA 74, 2 miles W of road N to Upper San Juan Campground; steep NNW-facing chaparral slopes. Comment
  JOTR37449  Rhus aromatica Hodges, Stephen, T. Green 2016-5-24 571 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  UCR25781  Rhus aromatica John C. Roos 1953-4-13 5524 Riverside Riverside, Box Springs Mountains 489 Comment
  CAS-BOT-BC167969  Rhus ovata John C. Roos 1950-10-15 5007 Riverside Dry Morongo Canyon about 1 mile S. of Riverside-San Bernardino County line 609 Comment
  RSA346257  Rhus ovata R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54059 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
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Apr 30 2011
  UC1130518  Rhus ovata A. Lewis 1933-2-2 151 Riverside Lewis Valley 701 Comment
  UCR97486  Rhus ovata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19859 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCSB39082  Rhus ovata Jorgensen, Jan 1982-1-19 Riverside 3 kilometers up highway 243 from interstate 10, Banning; San Jacinto Mountains 1000 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
  RSA263679  Ribes californicum var. hesperium E. W. Lathrop 1968-5-22 6925 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR79261  Ribes californicum var. hesperium Steve Boyd, Orlando Mistretta 1992-4-22 6994 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  CAS-BOT-BC108719  Ribes cereum Louis C. Wheeler 1931-10-3 237 Riverside 1.5 mile north Tahquitz Peak, San Jacinto Mountains. 2514 Comment
  RSA180295  Ribes indecorum E. W. Lathrop 1965-4-4 5647 Riverside 8 miles west of Murrieta Comment
  SD73602  Ribes indecorum Helen V. Witham 1970-4-29 819 Riverside Palms to Pines Highway 2.0 miles east of Lake Hemet. 1299 Comment
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Jan 25 2010
  OBI70000  Ribes roezlii David Charlton 1988-5-21 1910 Riverside Thomas Mtn rd, from N to S. W of Garner Valley and S of Lake Hemet on hwy 74 1829 Comment
  RSA282794  Ribes roezlii C. W. Tilforth, B. Busenberg 1980-6-10 1993 Riverside 1/2 mile north of Thomas Mtn Campground, along Thomas Mtn Road, West of Hwy 74 and south of Lake Hemet. 1982 Comment
  RSA658886  Ricinus communis Douglas A. Springer 1981-2-16 10 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. Comment
  RSA342004  Robinia pseudoacacia Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54110 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  RSA446203  Romneya coulteri F. Post 1931-5-5 s.n. Riverside Lake Elsinore Comment
  UC64143  Romneya coulteri H. M. Hall May 17 1901-Jun 1 1901 Riverside Temescal, Journey from Riverside to Santa Rosa Peak and Palomar Temescal; Southern California, Temescal 350 Comment
  UC1929756  Rorippa curvisiliqua Scott D. White 2003-10-9 9818 Riverside San Jacinto Mountains: Pine Cove. Lily Creek just north of crossing at Hwy 243. Comment
  UCR1084  Rorippa nasturtium-aquaticum J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mtns., stream running into Hemet Lake 1326 Comment
  UCR156614  Rorippa sphaerocarpa T. B. Salvato, A. C. Sanders 2005-5-17 904 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
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Feb 18 2009
  POM277867  Rosa brachycarpa A. J. McClatchie 1892-5-23 s.n. Riverside Temescal Canyon, Elsinore. Comment
  UCR266341  Rumex D. E. Bramlet 1995-5-24 2428 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit, c. 1.83 km NE of Lakeview; east of Davis Road and 65 m south of the existing access [Contour] road, 168 m N of the San Jacinto River channel 434 Comment
  OBI32610  Rumex conglomeratus O. F. Clarke 1972-5-28 s.n. Riverside Residence of O.F. Clarke, 1012 Spruce St, Riverside 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
  UCR20814  Rumex dentatus A. C. Sanders, Steve Boyd 1980-5-19 1475 Riverside Perris-Aguanga Basin, upper edge of Lake San Jacinto near Quail Lake Golf Course. Gilman Springs Road c. 1.5 mi northwest of Jackrabbit Trail. 442 Comment
  UCR100176  Rumex hymenosepalus Scott D. White 1994-4-23 2038 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  SEINET238572  Rumex pulcher Mitch Provance, A. C. Sanders 2000-7-4 2095 Riverside Riverside: Santa Ana River Wash between the Market St. and Riverside Ave crossings. 244 Comment
  RSA192057  Rumex salicifolius var. denticulatus H. A. Zuill 1966-6-27 251 Riverside At Fisherman's Camp in Tenaja Canyon, about 13 miles SW of Murrieta. Comment
  RSA715904  Sabal A. C. Sanders 1984-7-18 5107 Riverside Kansas at Pennsylvania, edge of Bordwell Park. 287 Comment
  UCR90800  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17985 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  JEPS62514  Salazaria mexicana W. L. Jepson 1901-5-22 1383 Riverside Palm Canyon and return to Van Deventer's; Palm Canyon, Van Deventer's 914 Comment
  UCR243157  Salazaria mexicana LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4292 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  CAS-BOT-BC129703  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-24 392 Riverside Deep Canyon, north slope Santa Rosa Mountains 1316 Comment
  RSA181987  Salix exigua W. L. Jepson 1928-4-25 12569 Riverside Cottonwood Springs, Eagle Mountains. 732 Comment
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Oct 23 2011
  SBBG58867  Salix exigua M. N. Ackley 1928-3-10 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UCR178565  Salix exigua R. G. Swinney 1967-3-5 0062 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  RSA0010966  Salix exigua var. exigua Mary F. Spencer 1918-4-7 812 Riverside Palm Springs. 168 Comment
  SBBG58920  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  SBBG58926  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  UC494329  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 606 Riverside 4.8 km. n Arlington (w of Riverside, rd. to Pedley, e side of bridge over Santa Ana R., either side of hwy.) 240 Comment
  JOTR32525  Salix gooddingii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2609 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
  POM2035  Salix gooddingii I. M. Johnston 1918-5-30 2018 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UCR235089  Salix gooddingii A. C. Sanders, John F. Green 2012-5-27 40207 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA0030840  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside Colorado River, about 800 m. from State Inspection Station, on way to Blythe Bridge. 90 Comment
  SD44532  Salix laevigata W. A. Setchell, Victor Duran 1935-4-17 8 b Riverside Fourteen miles from Hemet on road to Aguanga Comment
  UC846603  Salix laevigata I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4738 Riverside Gavilan Peak 500 Comment
  UC846611  Salix laevigata Joseph Andorfer Ewan 1933-3-19 10903 Riverside Santa Ana R. at Prado; Santa Ana R. Comment
  UCR159207  Salix laevigata A. C. Sanders, Kelly Volansky 2005-8-31 31563 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  POM362787  Salix lasiolepis N. C. Cooper 1947-4-5 2104 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UC5061  Salix lasiolepis H. M. Hall 1901-7-20 2512 Riverside Strawberry Valley San Jacinto Mountains 1676 Comment
  UCR18403  Salix lutea var. watsonii A. C. Sanders 1978-5-20 997 Riverside San Jacinto Mtns, James Reserve, beside Indian Creek where road crosses 1646 Comment
  UCR246686  Salsola tragus R. E. Riefner Jr. 2006-11-14 06- 675 Riverside city of Riverside, Main St at Russell St 259 Comment
  UCSB1721  Salsola tragus Philbrick, Ralph 1954-10-24 Riverside 4 miles south of the Chino Institute 213 Comment
  SD234486  Saltugilia australis A. C. Sanders, P. J. MacKay, Tim Thomas 2003-5-18 26759 Riverside San Bernardino Mtns.: Cleghorn Road, 0.5 mi. NE of Cajon. 1006 Comment
  UCR120649  Saltugilia australis D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1792 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR236900  Saltugilia australis Duncan S. Bell, Lucila Reccia 2010-5-5 966 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.4 air mi southeast of junction of Hwy 74 and FS Road 5S15 791 Comment
  RSA0094571  Saltugilia australis Leigh A. Johnson 1997-4-25 97 -049 Riverside Magee Hills vicinity: On first year burn on hills and slopes directly W of Hwy R3, (Sage Road) ca. 5.9 mi S of jct. with Cactus Valley Rd., and 0.8 mi N of Sage Hen Fire station. 700 Comment
  UC63766  Salvia H. M. Hall 1897-5-28 578 Riverside vicinity Riverside (Gavilan road) Comment
  UCR11221  Salvia X bernardina Dennis E. Kucera 1970-4-14 s.n. Riverside Peninsular Range; Moreno Valley, Residence of D.E. Kucera at 11681 Dalehurst Road, Sunnymead 625 Comment
  RSA0019791  Salvia apiana April Garbat, Kristin Forgrave, Naomi S. Fraga, Tyler Schappe 2013-5-21 72 Riverside Canyon west of San Bernardino National Forest boundary (San Jacinto Ranger District), north over edge from road from Cranston Fire Facility (off Highway 74, aka Florida Ave). Orange Grove Canyon. 618 Comment
  RSA509535  Salvia apiana Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 366 Comment
  SD138854  Salvia clevelandii Craig Reiser 1993-5-17 Riverside Agua Tibia Wilderness Area, south of Woodchuck Campground and Highway 79 (mak 8/06) Comment
  POM10097  Salvia columbariae Charlotte M. Wilder 1904-4-6 195 Riverside Wilder's Canyon. Comment
  UCR256802  Salvia columbariae T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7866 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  RSA0123155  Salvia eremostachya Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8965 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 668 Comment
  RSA721459  Salvia greatae Sarah J. De Groot, Tim Thibault, Valentin Arvizu, LeRoy Gross, Lisa Rojas 2004-5-14 4336 Riverside Chocolate Mountains: north of the mountains, just north of the Bradshaw Trail, south of Orocopia mountains. 168 Comment
  CAS-BOT-BC224854  Salvia pachyphylla P. A. Munz; E. K. Balls 1952-8-21 17981 Riverside Vandeventer Flat to Santa Rosa Peak 2072 Comment
  POM210539  Salvia pachyphylla Victor Duran 1933-7-1 3490 Riverside Near Vandeventer Flat, Santa Rosa Mts. 1677 Comment
  CSUSB701  Sambucus mexicana James R. Allen 1962-4-21 24-m 1047 Riverside 0.2 miles east of Mount Vernon on Pigeon Pass Road 335 Comment
  CAS-BOT-BC238855  Sambucus nigra subsp. caerulea A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-7 24168 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
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Dec 7 2018
  SEINET7040185  Sanicula bipinnata A. G. Vestal 1962-3-29 Riverside Canyon south of Murrieta [Sandia Caynon.] Murrieta Quad. UTM Zone 11, 482355mE, 3705515mN. Comment
  UCR97459  Sanicula bipinnatifida A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19760 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA97373  Sanicula tuberosa F. W. Peirson 1922-4-29 4053 Riverside Leach Canyon, near Lake Elsinore, Santa Ana Mts. 610 Comment
  UCR146731  Sarcostemma cynanchoides subsp. hartwegii June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  RSA192333  Satureja chandleri E. W. Lathrop 1966-5-11 6287 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  UCR59959.2  Saxifraga californica Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, SW of town of Murrieta: Miller Canyon 457 Comment
  RSA561095  Schedonorus arundinaceus Steve Boyd, Timothy S. Ross, Dave Bramlet 1992-5-12 7338 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 366 Comment
  UCR162541  Schinus polygamus Michael D. Wilcox 2005-7-28 s.n. Riverside Upper Santa Ana River Basin, Riverside, east of Mt. Rubidoux, 4737 Indian Hill Road off Mission and adjacent to Santa Ana River 244 Comment
  UCR133918  Schismus arabicus June Latting 1978-4-30 s.n. Riverside Sonoran (Colorado) Desert, Chiriaco Summit 518 Comment
  UCR196367  Schismus arabicus Naomi Fraga, Lisa Rojas 2005-2-10 1365 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  RSA651602  Schismus barbatus Marion P. Harthill 1973-2-17 1559 Riverside Snow Creek, Palm Springs 366 Comment
  RSA776627  Schismus barbatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 941 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCR138724  Schismus barbatus Julie A. Greene 1993-4-17 1189 Riverside San Jacinto Valley, San Jacinto Wildlife Area, flat area west of Davis Rd 445 Comment
  UCR241793  Schoenoplectus californicus A. C. Sanders 2013-4-16 40796 Riverside Peninsular Range; SE Gavilan Hills, SCE power line crossing of the San Jacinto River, south of Perris, 2.9 km SW of the intersection of Goetz & Ethanac roads 429 Comment
  POM1416  Scirpus microcarpus L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  CLARK-A1045-346  Scirpus robustus George K. Helmkamp 1978-2-19 Riverside Salton Sea Salton Sea State Recreation Area; Salt Creek Campground area; below railroad bridge, beside Sea; ; Durmid 7.5'Q -54 Comment
  POM184168  Scrophularia californica subsp. floribunda Philip A. Munz 1932-3-24 12029 Riverside Base of mts. south of Elsinore Lake. 366 Comment
  RSA68298  Scrophularia californica subsp. floribunda Verne Grant, Alva Grant 1951-6-4 16011 Riverside 2 mi. s. of Temecula on Hwy 395 335 Comment
  POM97011  Scrophularia californica subsp. floribunda Philip A. Munz 1926-5-2 10426 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  RSA739925  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35626 Riverside May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UCR90826  Searsia lancea A. C. Sanders, G. K. Helmkamp 1996-3-17 17982 Riverside Sonoran (Colorado) Desert, Coachella Valley; Palm Springs, W side of Palm Canyon Dr. just above (S of) junction with Hwy 111 140 Comment
  UCR99406  Searsia pendulina A. C. Sanders 1997-2-26 19688 Riverside Riverside: SE side of UCR campus at NW corner of reservoir 305 Comment
  HSC920  Selaginella bigelovii L. S. Rose 1966-12-14 66107 Riverside Chino Canyon, 3 mi. W of Palm Springs 671 Comment
  UCR121307  Selaginella bigelovii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25016 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  CAS-BOT-BC62086  Selaginella eremophila C. F. Saunders 1903-3-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC363484  Senecio californicus C. L. Hitchcock 1966-3-16 24187 Riverside Hills about 5 miles n.e. of Aguanga Comment
  POM259681  Senecio californicus P. A. Munz 1940-3-22 15663 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA523511  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-30 3971 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  RSA767153  Senecio californicus Scott D. White, Angelia Carey 2004-4-5 99942 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA0125051  Senecio californicus Henry J. Ramsey, Henry J. Ramsey 1959-4-22 s.n. Riverside Aguanga. Comment
  RSA28015  Senecio douglasii var. monoensis C. L. Hitchcock 1940-4-5 5964 Riverside 3 miles below Cottonwood Springs Comment
  CAS-BOT-BC323988  Senecio flaccidus var. douglasii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9548 Riverside Cottonwood Springs Canyon. Comment
  RSA3323  Senecio flaccidus var. douglasii C. B. Wolf 1931-10-14 2461 Riverside Cabezon, San Gorgonio pass. Comment
  RSA588838  Senecio flaccidus var. douglasii D. L. Banks, S. D. Boyd 1995-10-17 0781 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
  JOTR35365  Senecio mohavensis Harding, Mitzi, M. Wheeler 2011-1-26 149 Riverside Joshua Tree National Park. West Coxcombs, north facing rocky slope (STOP3) 328 Comment
  OBI38334  Senecio mohavensis A. C. Sanders, D. Charlton, & B. Pitzer, B. Pitzer 1986-3-3 6137 Riverside N foot of the Chuckwalla Mts, 2-3/4 mi airline SE of Desert Center 366 Comment
  OBI8142  Senecio mohavensis David J. Keil, Malcolm McLeod, Dirk Walters 1977-4-16 12075 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
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Apr 27 2013
  UCR279582  Senecio mohavensis A. C. Sanders, Jim Malusa 2017-3-28 43153 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
  RSA449948  Senecio vulgaris J. C. Roos 1967-2-7 s.n. Riverside City of Hemet. Comment
  RSA596537  Setaria viridis D. L. Banks, Lauren Raz 1996-8-29 1136 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road;, along the E side of the road under the drip irrigation line to a vineyard. 399 Comment
  RSA579293  Sibaropsis hammittii Steve Boyd 1992-4-15 6886 Riverside Santa Ana Mountains, Elsinore Peak area south of Lake Elsinore. South base of peak (3448 ) to southeast of Elsinore Peak, approximately 25 m north of the San Mateo Canyon Wilderness Area boundary. 1000 Comment
  RSA433914  Sidalcea malviflora subsp. sparsifolia N. C. Cooper 1944-4-22 1133 Riverside Banning. 762 Comment
  RSA433915  Sidalcea malviflora subsp. sparsifolia E. C. Jaeger 1921-6-21 s.n. Riverside Idyllwild. 1585 Comment
  UCR137483  Sidalcea malviflora subsp. sparsifolia D. L. Banks 1997-3-29 1573 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCD101675  Sidotheca trilobata Chet McGaugh 1990-8-8 s.n. Riverside SW Durasno Valley, S of town of Anza. Comment
  RSA515310  Silene gallica Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue. 610 Comment
  UCR260532  Silene gallica T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7992 Riverside Perris-Aguanga Basin, Menifee, south side of Bundy Canyon Road between Sunset Ave and Lynx Rd. 0.9 mi west of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.2 mi southeast of Canyon Lake 543 Comment
  POM12789  Silene verecunda subsp. platyota P. A. Munz 1922-6-23 5772 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  CAS-BOT-BC202949  Simmondsia chinensis James R. Shevock 1978-4-8 5777 Riverside Along California highway 195 just off of Interstate 10 near Chiriaco Summit. Base of Orocopia Mountains, Colorado Desert 396 Comment
  CAS-BOT-BC202952  Simmondsia chinensis Gordon H. True 1977-1-11 8105 Riverside Hills between Hemet and Aguanga Post Office 609 Comment
  POM13907  Simmondsia chinensis Philip A. Munz 1922-3-12 4716 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  SEINET6418776 Image available Simmondsia chinensis Annie M. Alexander, Louise Kellogg 1941-1 2159 Riverside EAgle Mountains, road to Black Eagle Mine 777 Comment
  UC192524  Simmondsia chinensis Samuel B. Parish Mar 1884 9 Riverside Colorado Desert Comment
  JEPS53874  Sisymbrium altissimum W. L. Jepson 1935-4-21 17162 Riverside Wisser Valley Comment
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Apr 7 2009
  UCD115499  Sisymbrium altissimum E. W. Lathrop Date unknown 6196 Riverside Santa Ana Mountains, trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1219 Comment
  RSA249446  Sisymbrium altissimum John F. Emmel 1973-5-13 453 Riverside Firebreak between Dry Creek and Chalk Hill, S of Idyllwild. 1402 Comment
  UCR59667  Sisymbrium irio Steve Boyd, T. S. Ross, L. Arnseth 1989-3-11 2885 Riverside Peninsular Range, Vail Lake area, mouth of Temecula Creek Canyon, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR207318  Solanum O. F. Clarke 2003-12-6 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment