Search Results — 2000 specimen records retrieved (1898 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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
  SD229024  Abies concolor Dick Schwenkmeyer 2012-8-27 806 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  SBBG1865  Abronia villosa H. and M. Dearing 1939-4-12 3162 Riverside E of Indio Comment
  SEINET3133843  Abronia villosa T. Reeves, D. J. Pinkava 1974-3-19 11751 Riverside Rte I-10 frontage rd at Indian Wells Washington St., 6 mi E of Thousand Palms Comment
  UC1093120  Abronia villosa Richard Snow 1956-7-13 317 Riverside near Hemet Meadow (on the Pines to Palms Highway) Comment
  POM123199  Abronia villosa var. aurita Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA32434  Abronia villosa var. aurita N. C. Cooper 1944-4-23 1103 Riverside Banning. 701 Comment
  SD233324  Abronia villosa var. aurita Duncan S. Bell 2012-4-5 3313 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. In the vicinity of the Desert Lily Sanctuary. 160 Comment
  SEINET5585526  Abronia villosa var. aurita Duncan S. Bell 2012-1 3154 Riverside Southern section of the Mecca Hills; approximately 2.5 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 37 Comment
  RSA660046  Abronia villosa var. villosa Carol Zuck 1981-2-15 13 Riverside 38-621 Fawn Springs Dr. Palm Desert. Comment
  RSA748603  Abronia villosa var. villosa Scott D. White, Justin M. Wood 2009-4-28 12595 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC52163  Acacia greggii E. E. Schellenger Jul 25 1903-Aug 14 1903 11 Riverside Colorado Desert, Chucawalla Bench Chucawalla Bench; Colorado Desert, Chucawalla Bench Comment
  UCSB6743  Acamptopappus sphaerocephalus Gray, Caroline 1956-4-13 Riverside Whitewater Canyon near Whitewater Comment
  RSA6649  Acamptopappus sphaerocephalus var. sphaerocephalus Carl B. Wolf 1932-5-25 3681 Riverside San Gorgonio Wash, on road to Snow Creek 366 Comment
  UC40029  Achnatherum coronatum H. M. Hall June, 1901 2078 Riverside vicinity of Chalk Hill 1463 Comment
  CAS-BOT-BC260436  Achnatherum hymenoides H. M. Hall 1899-5-24 1163 Riverside San Jacinto Mountains. Van DeVenders 1371 Comment
  POM365988  Achnatherum hymenoides Christopher Davidson, B. Gustafson 1977-4-7 5590 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  RSA772531  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4417 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 W116.64307 487 Comment
  UC1578000  Achnatherum speciosum M. Barkworth 1981-5-8 3406 Riverside near Aguanga 914 Comment
  UCR151367  Achyrachaena mollis Steve Boyd 2001-4-12 10411 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  RSA776378  Achyronychia cooperi Amber Swanson 2011-4-8 377 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SDSU13584  Acmispon americanus var. americanus W. Miller with C. Mosse 1972-7-12 Riverside Comment
  UCR265815  Acmispon americanus var. americanus Mitch Provance 2012-5-24 512- 05 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  CAS-BOT-BC204887  Acmispon argyraeus var. argyraeus H. M. Hall 1901-6-1 2140 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1524 Comment
  SBBG37495  Acmispon strigosus R. N. Muller 1967-5-5 31 Riverside UC Riverside campus, next to rd outside of SW corner of UCR Botanic Garden Comment
  SD215527  Acmispon strigosus Steve Boyd, Tim Ross, et al. 1990-4-2 4033 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79, east of USFWS Dripping Springs Guard Station. 487 Comment
  JOTR31947  Adenophyllum porophylloides La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2185 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  JOTR32433  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  RSA676103  Adenophyllum porophylloides Scott D. White 2001-4-17 8333 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  GMDRC6554  Adenostoma fasciculatum var. fasciculatum J. M. Andre 2012-6-15 30507 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  POM49866  Adenostoma fasciculatum var. fasciculatum Philip A. Munz, Johnson 1924-7-29 8860 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  IRVC29859  Adenostoma sparsifolium Mark A. Elvin 2004-10-12 3812 Riverside S of Idyllwild, N of Mountain Center along Hwy 243. San Jacinto Moutnains 1524 Comment
  CAS-BOT-BC69650  Adiantum capillus-veneris Ivan Johnston 1917-4-4 1074 Riverside Palm Canyon, Little Palm Canyon Fork. 304 Comment
  UCR26953  Adiantum jordanii E. W. Lathrop 1966-5-8 6497 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  RSA0121416  Agave deserti Duncan S. Bell, LeRoy Gross 2016-3-31 9186 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  UC4153  Agave deserti C. Van Deventer 1901-1 Riverside e face San Jacinto Mt. Comment
  UCR100158  Agoseris Scott D. White 1994-4-23 2032 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  UC55109  Agoseris grandiflora var. grandiflora H. M. Hall May 17 1901-Jun 1 1901 1916 Riverside 20 mi s Palm Springs; Palm Springs 1371 Comment
Read comments
May 2 2007
  UC1130644  Agrostis alba H. S. Yates 1936-8-29 6374 Riverside Idlewild San Jacinto Quadrangle Comment
  UCR24979  Agrostis exarata A. C. Sanders 1980-7-22 1704 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  POM14447  Agrostis idahoensis P. A. Munz 1922-7-6 6013 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR272822  Agrostis idahoensis Mitch Provance 2015-7-23 715- 05 Riverside San Jacinto Mountains, Fern Valley, Strawberry Creek, vicinity of Rim Rock Drive. 1866 Comment
  UCR79217  Alchemilla occidentalis Steve Boyd 1992-4-14 6815 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area. Western edge of Oak Flats Area along Bluewater Tr. from Verdugo Tr. S to crest of ridge W side Bluewater Canyon 793 Comment
  SBBG34201  Allium burlewii T. L. Secrest 1951-5-20 Riverside Pine Cove 1905 Comment
  CSUSB417  Allium fimbriatum Joe Barrington 1968-5-11 680511 3 Riverside 1/4 mile off Highway 74, across from Alpine Village (town) 1280 Comment
  RSA367046  Allium haematochiton N. C. Cooper 1947-4-5 2041 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SBBG55753  Allium haematochiton D. Keil, M. McLeod 1979-3-18 12872 Riverside St Hwy 71, Alberhill Junction Comment
  UCR281233  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 49 Riverside Temescal Valley, Southern foot of the Gavilan Hills, vicinity of Black Powder Rd., slopes adjacent to N side of the horse track 393 Comment
  UCR29139  Allium haematochiton David J. Keil, M. G. McLeod 1979-3-18 12972 Riverside Peninsular Range, Alberhill Junction along Hwy 71 366 Comment
  UCR35283  Allium lacunosum var. davisiae L. B. Ziegler 1967-6-27 181 Riverside San Jacinto Mtns., Hemet Valley, Morris Ranch Road area Comment
  CAS-BOT-BC472712  Allium lacunosum var. lacunosum Joy Keck 1935-4-19 3849 Riverside White Tank, S. of Twenty-nine Palms Comment
  UC1544766  Allium munzii Steve Boyd 1986-5-1 1798 Riverside on n base of hill just to the w Skunk Hollow (e of hot springs); Murieta Hot Springs, Skunk Hollow Area 438 Comment
  UCR42429  Allium munzii Steve Boyd 1986-4-10 1641 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon. De Palma Road between Indian Truck Trail & Horsethief Canyon, 1.2 mi east of the Indian Truck Trail exit of Hwy I-15. 372 Comment
  CAS-BOT-BC132020  Allium parishii Peter H. Raven 1958-5-5 12894 Riverside Split Rock, Joshua Tree National Monument Comment
  UCR104619  Allium peninsulare D. E. Bramlet 1997-4-4 2510 A Riverside Tributary to Dawson Canyon, 854 m east of the El Sobrnte landfill and 610 m north of Dawson Canyon. 45 m south of the jeep trail that crosses this triutary. 365 Comment
  UCR251342  Allium peninsulare S. J. Myers 2014-5-21 1053 Riverside Western Edge Sonoran (Colorado) Desert, side canyon ('Toutain Canyon') on east side of Whitewater Canyon 756 Comment
  CAS-BOT-BC475412  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  UCR2921  Allium praecox Nancy Atha 1963-3-3 3363- 01 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, north side of [Quarry Hill] at the corner of Madison St. and Victoria Ave. 274 Comment
  UCR44452  Allophyllum divaricatum A. C. Sanders, B. Pitzer 1986-4-30 6486 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  LA210330  Allophyllum glutinosum Harlan Lewis; Elizabeth McClintock 1941-6-29 Riverside Gavilan Hills-Gavilan Plateau, Santa Rosa Rd Canyon 5 mi from Pines to Palms Highway Comment
  SEINET3224408  Allophyllum glutinosum G. Goodwin 2012-6-15 3462 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR263225  Amaranthus blitoides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41467 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR135822  Amaranthus blitum A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27962 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thermal, Hwy 111 at Oasis Date Gardens, 0.5 mi. south of Ave. 58 -43 Comment
  CAS-BOT-BC13610  Ambrosia acanthicarpa D. E. Breedlove 1961-8-5 949 Riverside Along state highway 74, 5 miles east of Keen Camp, Hemet Valley, San Jacinot Mountains 1341 Comment
  CLARK-A1528-1533  Ambrosia acanthicarpa John C. Roos 1965-9-26 Riverside San Jacinto Mountains Comment
  RSA33313  Ambrosia acanthicarpa N. C. Cooper 1943-10-9 958 Riverside Hemet. 305 Comment
  RSA544299  Ambrosia acanthicarpa Steve Boyd 1991-9-8 6427 Riverside Aguanga Valley, sandy wash of Temecula Creek, S of Hwy 79 at jtn with Hwy 371. 600 Comment
  SD137916  Ambrosia acanthicarpa Darin L. Banks, Steve Boyd 1995-10-17 756 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  CLARK-A1528-5217  Ambrosia dumosa John C. Roos 1937-4-28 766 Riverside Hayfield Comment
  RSA191738  Ambrosia dumosa R. F. Thorne 1963-3-29 32401 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
Read comments
Dec 14 2011
  RSA416964  Ambrosia dumosa Anstruther Davidson s.n. Riverside Colorado Desert. Comment
  RSA760788  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 109 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  UC912554  Ambrosia dumosa H. L. Mason 1928-3-10 4217 Riverside Hidden Springs Canyon; Coachella Mts. Comment
  CLARK-A1528-2147  Ambrosia ilicifolia John C. Roos 1949-4-10 4230 Riverside Chuckwalla Mountains Comment
  POM246586  Ambrosia ilicifolia E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, chuckawalla Mts. Colorado Desert. 366 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
  UC1279727  Ambrosia salsola David B. Dunn and A. Folsom 1948-6-17 3800 Riverside at camp in Pushawalla canyon, by quad 2 Pushawalla Canyon Comment
  SBBG25001  Ambrosia salsola var. salsola D. Myrick 1966-4-2 1334 Riverside upper end of Aqueduct Rd, SE of Desert Hot Springs Comment
  SBBG35146  Ambrosia salsola var. salsola T. L. Secrest 1948-4-7 Riverside near Whitewater Comment
  UCSB24500  Ambrosia salsola var. salsola McMinn, Howard 1935-6-27 Riverside Palm Canyon Region Comment
  SD84908  Amorpha californica Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-21 441 Riverside Santa Rosa Mountains, Palm Canyon drainage, above Garnet Queen Cr. crossing of Santa Rosa Mountain Road 1830 Comment
  CHSC89889  Amorpha fruticosa L. P. Janeway 2004-5-8 8065 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; along the creek 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. 384 Comment
  SDSU13505  Amorpha fruticosa W. Miller with C. Mosse 1972-7-13 Riverside 100 yards west of M.W.D Station; 25 yards from river. Comment
  UCR70812  Amorpha fruticosa var. occidentalis D. L. Crawford, I. M. Johnston 1917-6-9 1225 Riverside San Bernardino Valley/Upper Santa Ana River, Santa Ana River near Corona 152 Comment
  HSC84226  Amsinckia intermedia Karin Cleary 1987-4-8 11 Riverside Banning; 1.5 km N of the intersection of I-10 and Sunset Ave. E side of Sunset 835 Comment
  RSA0089626  Amsinckia intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3881 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
  RSA499970  Amsinckia intermedia H. de Forest 1929-3-16 s.n. Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  UCR120925  Amsinckia intermedia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24923 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR4103  Amsinckia intermedia Ronald M. Cope 1965-3-5 S.N. Riverside valley 0.5 mi west of where Gage Canal goes underground after having crossed Le Conte Drive Comment
  RSA0089612  Amsinckia intermedia Ora M. Clark 1929-4-6 1939 Riverside S. San Jacinto. Comment
  CLARK-A1528-326  Amsinckia menziesii Stephen J. Southwell 1971-5-23 Riverside Murrieta 304 Comment
  RSA0089935  Amsinckia menziesii A. C. Sanders 2004-5-12 27859 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 378 Comment
  UCR175065  Amsinckia menziesii Teresa Nieto 2005-4-24 10 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SDSU18984  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-5 495 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  JEPS61175  Amsinckia tessellata var. tessellata W. L. Jepson 1928-4-25 12619 Riverside Cottonwood Spring; Colorado Desert, Eagle Mountains 731 Comment
  RSA416652  Anisocoma acaulis Gary D. Wallace 1964-4-26 s.n. Riverside Pinyon Flats. Comment
  UC130485  Antennaria rosea Mrs. C. M. Wilder 1909-7-13 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley Comment
  RSA519212  Anthemis cotula M. Lee Overholtzer 1962-6-20 271 Riverside 4 miles southwest of Corona at Las Barrancas on oak Street. Comment
  CLARK-A1528-4159  Antirrhinum coulterianum John C. Roos 1937-4-17 1353 Riverside San Timoteo Canyon Comment
  RSA583747  Antirrhinum coulterianum Steve D. Boyd 1995-4-24 8484 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  RSA773173  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-5-27 1123 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.8 air mile southeast of junction of Highway 74 and forest service road 5S15. 768 Comment
  UCR59528  Antirrhinum coulterianum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3595 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UCR81110  Antirrhinum coulterianum Scott D. White 1993-5-29 1455 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  RSA262107  Antirrhinum kelloggii E. W. Lathrop 1969-5-8 7010 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR154379  Antirrhinum nuttallianum A. C. Sanders, Mike Misenhelter 2005-6-15 30957 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
  SD129521  Antirrhinum nuttallianum subsp. nuttallianum Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau Area: along Los Gatos Road, I(c) mi. S of Buena Vista Road (2 mi. W of Sandia Canyon, & 0.1 mi. N of San Diago County line) 366 Comment
  UCR121170  Antirrhinum nuttallianum subsp. subsessile D. E. Bramlet 1989-5-20 1876 Riverside Bachelor Mtn., S-facing slope of mountain, 1,500 ft. (0.28 mi.) north of Lake Skinner and 3,000 ft. (~0.5 mi.) E [NE] of the Dam. 537 Comment
  RSA180423  Apiastrum angustifolium E. W. Lathrop 1965-5-9 5729 Riverside 6 miles W of Murrieta. Comment
  UC1536044  Apiastrum angustifolium Robert F. Thorne 1973-5-23 45534 Riverside Santa Rosa Plateau, Mesa De Colorado Mesa De Colorado; Santa Rosa Plateau, Mesa De Colorado 609 Comment
  RSA403081  Apocynum androsaemifolium M. B. Dunkle 1933-7-21 3730 Riverside Idyllwild 1616 Comment
  RSA802255  Apocynum cannabinum Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5002 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  POM354172  Arceuthobium campylopodum N. Cooper, Paul C. Silva 1943-9-11 923 Riverside Idyllwild Comment
Read comments
Oct 22 2011
  RSA683091  Arceuthobium campylopodum Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8651 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR169507  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA629380  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15086 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  SEINET12524577 Image available Arctostaphylos glandulosa A. E. Wieslander 1938-1 822 Riverside Idyllwild, San Jacinto quadrangle sec. 24, T. 5S., R. 2E. 1524 Comment
  POM254927  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  HSC101773  Arctostaphylos glauca J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13186 Riverside Along State Route 74 1227 Comment
  RSA631798  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19571 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631837  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15063 Riverside Highway 79, 3 km east of Temecula Creek. 550 Comment
  UCR133451  Arctostaphylos glauca Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 473 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR63999  Arctostaphylos glauca Richard Minnich 1990-8-23 s.n. Riverside Lakeview Mtns., off Juniper Springs Road near Juniper Springs 640 Comment
  RSA633719  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20149 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633751  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21781 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  CAS-BOT-BC46552  Arctostaphylos patula H. M. Hall 1901-6-1 2419 Riverside San Jacinto Mts. Tauquitz Valley. 2438 Comment
  CAS-BOT-BC44360  Arctostaphylos pringlei subsp. drupacea P. A. Munz; E. K. Balls 1952-8-21 17972 Riverside Road to Santa Rosa Mt. from Vandeventer Flat 1828 Comment
  RSA78283  Arctostaphylos pringlei subsp. drupacea P. A. Munz, E. K. Balls 1952-8-21 17972 Riverside road to Santa Rosa Mt. from Vandeventer Flat 1829 Comment
  SEINET2028711 Image available Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry valleyu, 1.5 miles from Idyllwold on road to Banning, San Jacinto Mountains 1710 Comment
  CSUSB1374  Arctostaphylos pringlei var. drupacea S. ally Crum 1966-5-12 Riverside San Jancinto Mountains San Jacinto Mountains. About 2 miles below Lake Fulmor on Idyllwild to Banning Road in very dense chaparral on rocky slope 1158 Comment
  RSA635999  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21609 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636019  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18800 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636164  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19467 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  RSA636170  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19483 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  UC1979623  Arctostaphylos rainbowensis D. L Banks, Steve Boyd 1995-3-15 0076 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  UCD162841  Arctostaphylos rainbowensis D. O. Burge 2015-3-17 1691 Riverside Rainbow area. 410 Comment
  SD137811  Arenaria douglasii Darin L. Banks, Steve Boyd 1995-5-3 291 Riverside Cleveland national Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 509 Comment
  CAS-BOT-BC401652  Argemone munita subsp. argentea Edmund C. Jaeger 1939-2-15 s.n. Riverside Wash near Gulliday Well - Chuckawalla Bend Comment
  UCD56419  Aristida adscensionis H. S. Yates 1937-3-23 6436 Riverside 15 miles NNE of Mecca. 457 Comment
  JOTR00870  Aristida adscensionis Sipe, Frank 1958-3-10 277 Riverside Joshua Tree National Park. PINTO BASIN Comment
  CLARK-A1528-1263  Aristida californica John C. Roos 1946-9-14 3007 Riverside Dos Palmas Spring 1066 Comment
  CLARK-A1528-4465  Aristida californica John C. Roos 1937-8-22 1209 Riverside Mojave Desert Comment
  RSA654176  Aristida divaricata A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  RSA720441  Aristida purpurea Naomi Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1704 Riverside Along FS road west and paralleling Morris Ranch Road. Ca. 0.2 miles southwest of the FS roads junction with Morris Ranch Road. North east of Garner Valley. 1616 Comment
  UCR274670  Aristida purpurea var. fendleriana Stephanie Rockwood, Christi Gabriel 2011-11-1 193 Riverside Sonoran (Colorado) Desert, Pallen Dunes Road, Ford Dry Lake area, Hwy I-10, exit 217, Chuckwalla Valley 107 Comment
  POM264354  Aristida purpurea var. nealleyi J. C. Roos 1938-8-7 582 Riverside East of Hemet, in mountains along San Jacinto River. Comment
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Apr 3 2011
  UC576337  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  UCD56561  Aristida purpurea var. nealleyi A. A. Beetle 1942-4-23 3187 Riverside Rt. 95, 24 miles north of Blythe, banks of Colorado River. Comment
  RSA97133  Aristida purpurea var. nealleyi H. K. Buechner 1955-6-1 C- 102 Riverside 4.5 miles south of Palm Desert, Coachella Valley 854 Comment
  RSA309652  Aristida purpurea var. parishii J. C. Roos 1966-4-29 s.n. Riverside Hills between March AFB and Lakeview. Comment
  SEINET10723658  Artemisia ludoviciana David B. Dunn 1946-8-17 Dunn 2737 Riverside Found 2 mile west of Hidden Lake along trail in San Jacinto Mts. Comment
  RSA356610  Artemisia ludoviciana subsp. ludoviciana R. F. Thorne 1966-10-15 41811 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UCR178846  Asclepias californica Mitch Provance, Tracy Tennant 1998-6-16 MOR- 393 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  RSA645934  Asclepias eriocarpa Scott D. White 1999-6-8 7455 Riverside Corona, near Bedford Canyon: foothills at eastern slope of Santa Ana Mts. ''Joseph Canyon'' wash near a disused quarry. 335 Comment
  SD245239  Asclepias eriocarpa R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49540 Riverside Santa Ana Mountainss: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  JEPS6275  Asclepias erosa W. L. Jepson 1927-4-14 11714 Riverside Silent Canyon Santa Rosa Mts. 304 Comment
  RSA502495  Asclepias erosa Steve Boyd, Tim Ross, L. Arnseth 1989-6-11 3736 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  POM201679  Asclepias fascicularis L. M. Booth 824 Riverside roadside. Comment
  RSA90127  Asclepias fascicularis E. K. Balls, P. C. Everett 1953-8-19 18538 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  SEINET11262199  Asclepias fascicularis Norman C. Cooper 1944-7-15 1569 Riverside Palms to Pines Hwy, San Jacinto Mtns.; 0 1372 Comment
  JOTR35993  Asclepias subulata Harding, Mitzi, Mark Wheeler 2012-9-4 204 Riverside Joshua Tree National Park. Pinto Wells; large, active wash west of road leading to weather station (stop 4) 262 Comment
  RSA524469  Asclepias subulata Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4072 Riverside Vail Lake area, upper benches and adjacent slopes of E flank of Big Oak Mountain, S of E summit. 610 Comment
  RSA0061163  Asphodelus fistulosus Robt. Allen 2009-4-3 s.n. Riverside Santa Ana Mountains region: Near community of El Cariso. Along South Main Divide Road, 515 air meters(0.32 air miles) southeast of junction with Ortega Hwy (SR74). 843 Comment
  RSA701412  Aspidotis californica Steve Boyd, Aydee Virgen 2004-4-13 10897 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SD63728  Astragalus bicristatus Peta Mudie 1965-7-5 505 Riverside Southwest slope, north side of Santa Rosa Mountain above National Forest campground. Comment
  CAS-BOT-BC182586  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 6711 Riverside Palm Springs Comment
  UCR22080  Astragalus didymocarpus var. obispoensis Steve Boyd 1980-5-3 182 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR201474  Astragalus douglasii var. parishii Scott D. White, Justin M. Wood 2008-6-5 12079 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  RSA781247  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37394 Riverside pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg ) of Blythe 134 Comment
  VVC2470  Astragalus insularis var. harwoodii Tim Thomas 2013-3-18 5930 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  POM1694  Astragalus lentiginosus var. coachellae I. M. Johnston 1917-4-4 1065 Riverside Whitewater. Comment
  CAS-BOT-BC178071  Astragalus nuttallianus J. C. Roos 1958-3-15 s.n. Riverside 3 miles S.E. of Desert Center, in the Chuckwalla Mtns. Comment
  RSA776289  Astragalus nuttallianus var. cedrosensis Duncan S. Bell, Amanda Turek 2010-4-10 835 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  RSA631065  Astragalus nuttallianus var. imperfectus L. C. Wheeler 1953-3-31 7039 Riverside Near Mountaineer Mine. Comment
  RSA594766  Astragalus pachypus var. jaegeri D. L. Banks, Dylan Hannon 1996-5-3 1000 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
  HSC86858  Astragalus palmeri K. Harper 1988-5-14 Riverside Hwy. 74 between Alpine Village and the Vista Point at Seven Level Hill. Comment
  RSA286552  Astragalus palmeri John F. Emmel 1979-9-12 693 Riverside SE end San Jacinto Mts. desert slope; South base of Sugarloaf Mtn., near SE end of Pinyon Flat. 1250 Comment
  RSA90638  Astragalus palmeri F. W. Peirson 1921-3-23 4752 Riverside Deep Canyon, SE of Palm Springs. 335 Comment
  RSA160531  Astragalus pomonensis J. D. Olmsted 1959-4-18 427 Riverside Santa Ana Mtn. base. 3 miles N of Elsinore on Hwy 71 in weedy area on East side of road. 335 Comment
  RSA587543  Astragalus pomonensis D. L. Banks, S. D. Boyd 1995-6-2 0579 Riverside NW Palomar Mountains; Agua Tibia Mountains; NE of the Dorland Mountain area, N of the Agua Tibia Wilderness Area, E of Kolb Creek; Approximately 100 m E of the junction between the Woodchuck Road and Highway 79. 512 Comment
  UCR111970  Astragalus pomonensis A. C. Sanders, T. B. Salvato 2000-5-25 23401 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA45535  Astragalus sabulonum J. C. Roos, L. Roos 1949-3-26 4119 Riverside Sandy flats 2 or 3 miles E of Mecca. Comment
  CAS-BOT-BC66099  Athyrium filix-femina var. cyclosorum G. B. Grant 1901-8-1 4514 Riverside Strawberry Val. S. Jacinto Mts. Comment
  PASA1844  Atriplex canescens R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA356891  Atriplex canescens R. F. Thorne 1966-10-15 41789 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  SBBG133572  Atriplex canescens S. D. White, A. Carey, L. Archa 2004-8-5 10685 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  SBBG1754  Atriplex canescens H. and M. Dearing 1939-11-12 4026 C Riverside near Banning Comment
  CAS-BOT-BC27906  Atriplex canescens var. laciniata Samuel Bonsal Parish 1912-10-11 8256 Riverside Caleb. Salton Basin. -60 Comment
  RSA773114  Atriplex canescens var. laciniata Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-10-7 673 Riverside Hwy 177. N of Desert Lily Sanctuary. Palen Valley. 274 Comment
  IRVC28861  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4316 Riverside Perris; E of I-215; S of San Jacinto River; NW corner of jct Ellis Avenue and first road E of I-215. Southern Coastal 427 Comment
  RSA736290  Atriplex coronata var. notatior Scott D. White, Justin Wood 2008-5-27 12029 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  UC1765895  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside Flood plain SE of Bernasconi Hills. 432 Comment
  UCR252811  Atriplex coronata var. notatior Karyn L. Drennen 2014-5-13 028 Riverside Perris Aguanga Basin, Perris, east of Hwy 215, 0.7 km north of San Jacinto Ave., east of Dunlap Dr. 432 Comment
  RSA0107425  Atriplex elegans var. elegans Duncan S. Bell 2010-10-23 1992 Riverside Northeast section of the Arica Mountians; northwest section of Rice Valley; where Midland Road crosses the railroad tracks, about 1 air mile southwest of the ghost town of Rice. 249 Comment
  SBBG128636  Atriplex elegans var. elegans A. C. Sanders, J. F. Green 2012-6-25 40307 Riverside Temescal Cyn near I-15 crossing of Temescal Cyn Rd and Temescal Crk, ca. 2.6 km SE of Lee (Corona Lake); Santa Ana Mtns 361 Comment
  UCR281803  Atriplex elegans var. elegans Mitch Provance, John Hazlett 2017-4-27 417- 109 Riverside Elsinore Trough, Lake Elsinore, borderline with Wildomar, SW of Olive St and Mission Trail. 386 Comment
  SJSU1866  Atriplex hymenelytra R. L. Fisher 1957-4-20 Riverside near Indio Comment
  JOTR01005  Atriplex hymenelytra Cole, James E. 1941-4-13 570 Riverside Joshua Tree National Park. PINTO PASS; 0.5 MILES NORTH OF MEEK'S CABIN Comment
  CAS-BOT-BC169294  Atriplex lentiformis Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  CLARK-A1528-2523  Atriplex lentiformis John C. Roos 1936-9-21 Riverside Indio Comment
  UC7109  Atriplex parishii H. M. Hall 1901-6-18 2146 Riverside along the borders Colorado Desert (Vandeventers', San Jacinto Mountains); San Jacinto Mountains, e base, along borders Colorado Desert Comment
  CAS-BOT-BC176535  Atriplex polycarpa Roxana S. Ferris 1918-6-15 974 Riverside Indian Wells Comment
  JEPS59643  Atriplex polycarpa S. B. Parish 1912-10-10 8262 Riverside Mecca Salton Basin, Mecca -57 Comment
  SEINET4135517  Atriplex polycarpa Faulkner 1978-3-21 339 Riverside 9 miles N of Blythe on Hwy 95.; 0 152 Comment
  UC500782  Atriplex polycarpa Aven Nelson 1930-3-1 11151 a Riverside Indio Comment
  SD122871  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  UCR126931  Atriplex serenana Julie A. Greene, James C. Dice 1993-6-25 1376 Riverside San Jacinto Valley, San Jacinto Wildlife Area, sloping drainage from Davis Road 436 Comment
  CAS-BOT-BC176759  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side of Latham St., ca. 1/8 mile W of intersection with Keats Dr. 245 Comment
  IRVC14693  Avena barbata Victoria Sork 1973-3-5 s.n. Riverside Elsinore, 1.5 mi N, .5 mi W of intersection of Hwys 74 & 71 [79]. Comment
  RSA774514  Avena barbata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4467 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 W116.64315 487 Comment
  UCR5213  Ayenia compacta J. Olmstead 1966-4-1 s.n. Riverside Santa Rosa Mtns., trail from Hwy. 74 to Deep Canyon bottom 1098 Comment
  RSA84261  Azolla filiculoides Frank W. Peirson 1922-4-30 2948 Riverside Lancaster Valley, less than 2 miles from the Temecula River on the road to Hemet. 518 Comment
  CLARK-A1528-5449  Baccharis emoryi John C. Roos 1948-11-6 4077 Riverside Box Springs Mountains Comment
  LA203038  Baccharis emoryi W. Pequegnat; 1938-9-3 sn Riverside Santa Ana Mountains, Ortega Rd Comment
  RSA180393  Baccharis emoryi E. W. Lathrop 1965-10-24 6019 Riverside 5 miles W of Murrieta 610 Comment
  RSA0062663  Baccharis emoryi Marion P. Harthill 1973-2-25 s.n. Riverside 8 miles N. Elsinore. Comment
  CAS-BOT-BC106742  Baccharis salicifolia Aven Nelson 1930-3-1 11169 a Riverside Near water course, Palm Springs Comment
  UCR180598  Baccharis salicifolia Scott D. White, Angelia Carey 2004-4-5 10017 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UC893660  Baccharis salicifolia subsp. salicifolia Carl B. Wolf 1932-10-11 4274 Riverside 3/10 mi below, Morongo Wash, Little San Bernardino Mts. Colorado Desert San Bernardino County line; Colorado Desert, Little San Bernardino Mts., Morongo Wash 670 Comment
  CAS-BOT-BC106671  Baccharis salicina I. M. Johnston 1917-12-1 1811 Riverside Chino Creek south of Ontario 152 Comment
  UCR90974  Baccharis salicina Scott D. White 1996-2-18 3804 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  UCSB41547  Baccharis sarothroides Roos, John; Roos, Lucille 1950-10-28 Riverside Near Box Springs 472 Comment
  CAS-BOT-BC99869  Baccharis sergiloides L. R. Abrams 1926-3-26 11059 Riverside Palm Springs to Palm Canyon Comment
  RSA729263  Baccharis sergiloides R. F. Thorne 1966-10-15 41819 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA4949  Bahiopsis parishii C. B. Wolf 1932-4-27 3049 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  RSA0124816  Baileya multiradiata Duncan S. Bell, LeRoy Gross 2016-3-9 8854 Riverside Orocopia Mountains; northern section of range, approximately 0.5 air mile south of Chiriaco Summit. 546 Comment
  UCD84488  Baileya pauciradiata Chuck Hughes 2010-6-13 149 Riverside Edge of Rice-Midland Road, about 2.5 miles southwest of Highway 62. 230 Comment
  CAS-BOT-BC106613  Baileya pleniradiata Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colorado Desert Comment
  UCR156472  Barbarea orthoceras T. B. Salvato, A. C. Sanders 2005-5-17 887 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
  UCR201677  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-6-18 12232 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  RSA653353  Bassia hyssopifolia Robert MacGregor 1984-5-19 3 Riverside Lake Elsinore, CA Hwy 74, 1 mile W of junction with 15E Freeway, N side of road. Comment
  POM49357  Bebbia juncea Philip A. Munz 1924-6-21 8203 Riverside Temecula Canyon. Comment
  RSA643333  Bebbia juncea R. D. Goeden, D. W. Ricker 1980-3-20 s.n. Riverside Colorado Desert: Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  RSA655089  Bebbia juncea Scott D. White 2000-4-17 7654 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA776769  Bebbia juncea Amber Swanson 2011-4-8 379 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  CAS-BOT-BC106403  Bebbia juncea var. aspera W. R. O 73 -641 Riverside Gravel pit S.W. of Colorado Aquaduct w/of Rice Comment
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Jul 24 2017
  CHSC95388  Bebbia juncea var. aspera R. Kobaly; Singer, A., Spurrier, C., Thompson, D., Way, M. J. 2001-6-12 1 Riverside Riverside County. White Water Canyon. 4.8km north of Highway 10 SBBM, San Gorgonio Wilderness. 570 Comment
  JEPS19302  Bebbia juncea var. aspera W. L. Jepson May 17 1901-Jun 1 1901 1384 Riverside Palm Canon and return to Van Deventer's Comment
  JOTR34039  Bebbia juncea var. aspera La Doux, Tasha, M. Harding 2010-4-7 2922 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  JOTR34379  Bebbia juncea var. aspera Andre, Jim 2012-4-16 20900 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  CLARK-A1528-2269  Berberis nevinii John C. Roos 1966-2-10 Riverside San Timoteo Canyon Comment
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Mar 12 2014
  UCR113891  Berberis nevinii Mitch Provance 1999-1-1 1039 Riverside City of Riverside, Granitic knoll c. 0.1 miles SW of Victoria Hill (pk 1005), west of the corner of Ivy St. and Victoria Ave. 311 Comment
  UCR95360  Berberis nevinii D. L. Banks, Rashmi Pant 1996-6-13 1020 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills S oh Hwy 9; east of Dripping Springs Campground. Approx. 2.1 km east of Dripping Springs Guard Station, south of the jct between Vail Lake Marina Road and Hwy 79, just south of Cleveland National Forest Boundary Comment
  UCR110430  Bergia texana A. C. Sanders, Mitch Provance 1999-9-26 23132 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA0100138  Bernardia incana Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8556 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UCD142300  Bernardia incana Nancy Ryan Zabriskie; Walter Zabriskie 1972-4-9 510 Riverside Santa Rosa Mts.; small canyon NW from Hwy 74 at 81.72. 1219 Comment
  CLARK-A1528-1653  Bidens pilosa John C. Roos 1951-9-25 5264 Riverside Riverside 259 Comment
  UCR178351  Bloomeria crocea Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1059 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA462666  Boerhavia coccinea C. M. Dammers 1929-10-6 s.n. Riverside Cottonwood Springs. Comment
  SD232716  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside South Fork San Jacinto River: Hwy 74, ca. 1-3 road miles E of USFS Cranston Fire Station. Sandy flat area just brelow road. Silt on soil surface suggests that water pools here during runoff. 600 Comment
  UCR42362  Boerhavia coccinea B. G. Pitzer 1986-5-4 0198 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
  SEINET3092324 Image available Boerhavia erecta var. intermedia A. C. Sanders 1989-9-19 9511 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 km (airline) south of Tabaseca Tank, along the wash above "Tabaseca Target". 680 Comment
  RSA782142  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-18 146 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
  UCR43414  Boerhavia wrightii R. F. Thorne, R. Dahlgren 1979-8-22 53572 Riverside Joshua Tree National Monument, just south of San Bernardino Co. line near jct of road to Split Rock and 29 Palms, valley west of Pinto Mtns. 1098 Comment
  CLARK-A1528-639  Boisduvalia glabella Ruth Cooper 1941-6-8 75 K Riverside Sun City Comment
  CLARK-A1528-5154  Bothriochloa barbinodis John C. Roos 1947-2-15 3236 Riverside Eagle Mountains Comment
  RSA674869  Bothriochloa barbinodis Scott D. White, T. B. Salvato 2001-6-8 8587 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA457760  Bouteloua aristidoides Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2125 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  JOTR35145  Bouteloua aristidoides var. aristidoides La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3257 Riverside Joshua Tree National Park. West Cottonwood Mountains; In wash below rocky bench in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  POM192675  Bouteloua barbata Marcus E. Jones 1929-9-16 24716 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  RSA575736  Bouteloua barbata S. J. Darbyshire, J. Cayouette 1994-9-17 4636 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  UCR233941  Bouteloua barbata Duncan S. Bell 2011-10-22 2991 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  RSA716109  Bouteloua barbata var. barbata Michael Wall 2006-10-8 422 Riverside South Fork San Jacinto River east of Hemet along Hwy 74 past Cranston Ranger Station. Just off the highway towards the river. 638 Comment
  RSA782005  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-18 120 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  UCR265476  Bouteloua curtipendula Jordan Zylstra 2014-8-17 14027 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  RSA0086494  Boykinia rotundifolia Mitch Provance, Justin E. Smith 2015-7-22 715 -02 Riverside San Jacinto Mountains: Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243. 1601 Comment
  PASA1871  Brandegea bigelovii 1928-3-3 Riverside Hidden Springs Canon Col. Desert Comment
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Aug 27 2016
  RSA394250  Brandegea bigelovii Donald Myrick 1968-3-3 1796 Riverside Box Canyon E of Mecca 305 Comment
  RSA690989  Brandegea bigelovii Scott D. White, Michael Honer 2003-5-15 9313 Riverside Bajada below Little Maria/ Big Maria Mtns. near Inca RR siding, ca. 15 air miles NW of Blythe. 61 Comment
  RSA697186  Brandegea bigelovii Mary Edmunds 1932-3-26 s.n. Riverside Flying Sphynx Ranch-Coschella Valley. Comment
  UC131900  Brandegea bigelovii C. R. Orcutt March, 1902 Riverside Colorado Desert Comment
  UCR102950  Brandegea bigelovii George K. Helmkamp 1998-4-4 3169 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  RSA0009725  Brandegea bigelovii Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  RSA783665  Brassica adpressa J. D. Olmsted 1959-8-26 847 Riverside Oat Flat along Main Divide Motorway between Sierra Peak and the old Sierra Peak Guard Station, Santa Ana Mtns towards Santiago Res. 823 Comment
  UCR3211  Brassica geniculata V. L. McFarland 1964-3-30 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, vacant lot south of Blaine St., east of Utah Ave. Comment
  UCR91373  Brassica kaber Scott D. White, M. Jacobsmeyer 1996-4-20 3963 Riverside Perris Basin, Perris area: just south of Perris Airport, SE of Goetz Road/ Mapes Road intersection, north of San Jacinto River Channel 430 Comment
  RSA0041948  Brassica tournefortii Duncan S. Bell, Loraine Washburn 2014-4-8 6588 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  UCD114638  Brassica tournefortii Robert F. Thorne; Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54032 Riverside San Bernardino Mts: S and E-facing at mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 414 Comment
  UCR60708  Brassica tournefortii R. F. Thorne, M. Z. Thorne 1973-3-30 42671 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCR94934  Brickellia californica Scott D. White 1996-9-22 4527 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  POM229527  Brickellia desertorum Noel Wallace 37 Riverside Hester's Spring, Box Springs Mt. Comment
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Sep 7 2011
  RSA592445  Brickellia desertorum L. C. Wheeler 1966-10-15 8986 Riverside San Jacinto Mountains. Carrizo Creek, off Dead Indian Canyon. 854 Comment
  RSA69831  Brickellia desertorum J. C. Roos 1951-10-19 5328 Riverside Gilman Hot Springs 459 Comment
  SEINET10760947  Brickellia desertorum David B. Dunn 1947-7-20 Dunn 3521 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  OBI52135  Brickellia incana Larry Kelly, David J. Keil 1988-4-16 50 Riverside ca .5 mi from hwy 10 on road through Ocatillo garden, and cholla patch in Joshua tree Natl Monument Comment
  JEPS40560  Brickellia oblongifolia var. linifolia W. L. Jepson and H. M. Hall 1901-5-24 1424 Riverside Van Deventer's Ranch Comment
  UCR218077  Brodiaea santarosae Steve Boyd 2010-5-28 12282 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers 1012 Comment
  CAS-BOT-BC486544  Brodiaea terrestris subsp. kernensis Mitch Provance 2005-5-17 6566 Riverside Warm Springs Valley: Terra Cotta, Nichols Road Wetland at Alberhill Creek, 100 yards SE of the Durant RR siding, the site bordered along the NW 420 Comment
  CAS-BOT-BC149328  Bromus arizonicus F. H. Billings 1931-4-1 s.n. Riverside Redlands. Comment
  UCR202436  Bromus carinatus 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
  UCD58404  Bromus catharticus Peter Kamb 1948-2-1 758 Riverside San Bernardino/Riverside Co.: Valley in the Jurupa Mts. West of Colton. 304 Comment
  RSA495792  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2899 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  POM146223  Bromus grandis F. M. Reed 1925-5-25 5034 Riverside Horsethief Canyon - Temescal Valley., [33 deg 43'20N, 117 deg 26'15W] Comment
  UCR2219  Bromus hallii F. M. Reed 1908-7-13 2476 Riverside San Jacinto Mtns, N margin of meadow in Tahquitz Valley 2439 Comment
  RSA562112  Bromus hordeaceus Steve Boyd 1992-4-14 6794 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UC1931231  Bromus japonicus Scott D. White, Justin Wood 2008-6-17 12168 Riverside San Jacinto Mountains: Garner Valley - Kenworthy Station (USFS) (Butterfly Peak) Comment
  NY1088730  Bromus madritensis subsp. rubens D. K. Christopher 2003-4-4 93 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UCSB18533  Bromus madritensis subsp. rubens Winn, Will 1963-5-4 Riverside County Hwy R-1, 13.3 mi N of Lake Fillmore 853 Comment
  RSA326150  Bromus orcuttianus var. hallii John F. Emmel 1981-6-21 785 Riverside San Jacinto Mountains; Idyllwild; large meadow between Strawberry Creek and USC ISOMATA campus. 1524 Comment
  RSA600397  Bromus rubens V. W. Steinmann, D. B. Steinmann 1996-3-16 811 Riverside Northeast foothills of the San Jacinto Mountains, lower portion of Chino Canyon alluvial plain, 1 kilometer S of Highway 111 at a point ca. 1.5 kilometer NW of the Tramway-San Rafael intersection. 300 Comment
  RSA757744  Bromus rubens LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4350 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR88740  Bromus trinii A. C. Sanders 1995-4-13 16509 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  RSA405295  Caesalpinia virgata Ora M. Clark 1929-3-17 1753 Riverside S. La Quinta, Cali. Comment
  UC68616  Caesalpinia virgata L. A. Greata Apr. 1905 428 Riverside Coachella Comment
  UCR216677  Caesalpinia virgata Jim Andre, T. La Doux 2009-3-10 11238 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR43790  Callitriche heterophylla subsp. bolanderi R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60638 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  UCR201622  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-16 12129 Riverside San Jacinto Mountains, Fobes Ranch Road north of Quinn Flat 1463 Comment
  POM12709  Calochortus invenustus Philip A. Munz 1922-6-27 5856 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  RSA679166  Calochortus invenustus Fred M. Roberts 2003-6-25 5935 Riverside Santiago Peak, old road near Orange County line, c.a. 150m N jct. with Main Divide Truck Trail, 0.5km north summit. 1633 Comment
  UC218104  Calochortus invenustus P. A. Munz 1922-6-27 5856 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  CAS-BOT-BC483420  Calochortus invenustus Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA395916  Calochortus splendens Steve Boyd 1986-4-22 1761 Riverside Temescal Canyon: Indian Wash, S of I-15. Comment
  UCR217523  Calochortus weedii var. intermedius Rose Cook, Kim Sparks 2010-6-10 04 Riverside Perris-Aguanga Basin, French Valley, c. 615m northeast of Hogbacks and 1.67km northwest of the intersection of Hwy 79 and Auld Road. 25m west of Jeanette Road 393 Comment
  RSA68622  Calochortus weedii var. weedii Frank W. Peirson 1920-6-22 2180 Riverside Grade south of Temecula River, going toward Dripping Spring 427 Comment
  UCR51535  Calochortus weedii var. weedii Tom Feldman 1988-5-30 035 Riverside Santa Ana Mtns., Calle Capistrano, 0.6 mi south of Rancho California Road and 4 mi west of Hwy 15 488 Comment
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Nov 17 2014
  SEINET214704  Calycoseris wrightii Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-21 6442 Riverside Blythe-Rice road 17 airmiles north-northwest of Blythe. 259 Comment
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Nov 30 2014
  JEPS52573  Calyptridium monandrum L. M. Newlon 1922-4-4 449 A Riverside Andreas Canyon Comment
  SEINET214666  Calyptridium monandrum N. H. Holmgren, PK Holmgren; R. E. Kern 1973-3-23 6483 Riverside At S entrance to Joshua Tree Nat'l Monument near Interstate 10 24 mi E of Indio 549 Comment
  UCR20950  Calyptridium monandrum A. C. Sanders 1978-7-1 569 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR216353  Calyptridium monandrum Mike Bell 2008-3-19 043 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, off Ruby Dr./13th (dirt track) between North Indian Canyon Dr. and Western Ave. 352 Comment
  RSA781359  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside 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
  UCR252228  Calystegia macrostegia Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  RSA586723  Calystegia macrostegia subsp. arida 1995-5-17 0445 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  UCD126084  Calystegia macrostegia subsp. arida C. L. Hitchcock; C. V. Muhlick 1962-3-16 22155 Riverside Temescal Canyon, ca. 12 miles southeast of Corona. Comment
  HSC92884  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  POM9565  Calystegia macrostegia subsp. intermedia P. A. Munz, R. D. Harwood, I. M. Munz 1920-2-28 3254 Riverside 3 miles west of Corona. Comment
  POM78927  Calystegia macrostegia subsp. tenuifolia I. M. Johnston 1925-7-1 s.n. Riverside Along Ontario Road, 3 miles W of Riverside. Comment
  POM307299  Calystegia occidentalis subsp. fulcrata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2153 Riverside Santa Rosa Mountains. Comment
  RSA0100145  Calystegia occidentalis subsp. fulcrata Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8581 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UC1184253  Camissonia Peter H. Raven 1958-1-25 11477 Riverside 5.5 mi se Painted Canyon turn-off; Box Canyon Comment
  CSUSB171  Camissonia bistorta Eric Trubschenck 1972-5-8 10 Riverside 12 miles east of Riverside, one mile south of intersection of Alessandro Blvd. and Wilnot Street. Canyon north-running in east-to-west granite hills. 365 Comment
  HSC24633  Camissonia bistorta Frank W. Gould 1943-4-17 2130 Riverside 4 mi. E of Elsinore Comment
  POM50787  Camissonia bistorta E. C. Jaeger 1925-3-21 s.n. Riverside Pachanga 610 Comment
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Oct 1 2013
  RSA186653  Camissonia bistorta Peter H. Raven 1959-4-23 14023 Riverside 5.1 miles west of Dripping Springs. Comment
  RSA465906  Camissonia bistorta N. C. Cooper 1949-6-29 4299 Riverside San Jacinto Mountains: Palms to Pines Highway. 1524 Comment
  RSA523490  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3950 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UCR250364  Camissonia bistorta A. C. Sanders 2014-4-9 40994 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  UCR35220  Camissonia bistorta L. B. Ziegler 1967-2-20 108 Riverside San Jacinto Valley, N of Lakeview 427 Comment
  CLARK-A1528-3319  Camissonia boothii John C. Roos 1949-4-19 4112 Riverside Mecca Comment
  RSA465966  Camissonia boothii subsp. condensata N. C. Cooper 1949-4-8 3298 Riverside Desert Center. 610 Comment
  RSA778487  Camissonia boothii subsp. condensata Duncan S. Bell 2009-3-8 52 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR103312  Camissonia brevipes subsp. brevipes George K. Helmkamp 1998-4-4 3159 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  RSA162842  Camissonia californica J. D. Olmsted 1959-4-10 347 Riverside Along Hwy 60-99 near Cabazon, San Gorgonio Pass, Whitewater River. 671 Comment
  RSA80993  Camissonia californica G. R. Campbell 1952-4-5 18379 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCD103332  Camissonia campestris subsp. campestris Robert C. Bechtel 1952-3-28 26 Riverside Perris. 443 Comment
  RSA37524  Camissonia cardiophylla H. K. Wagnon 1944-3-12 338 Riverside Cathedral City. Comment
  RSA651859  Camissonia cardiophylla David B. Dunn 1948-2-21 3665 Riverside Pushwalla Comment
  UCR165268  Camissonia claviformis John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  VVC704  Camissonia claviformis P. J. MacKay, T. Thomas 1997-2-8 93 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  POM38527  Camissonia claviformis subsp. aurantiaca Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA448924  Camissonia claviformis subsp. aurantiaca Ora M. Clark 1929-2-23 1559 Riverside E. Whitewater. Comment
  RSA516894  Camissonia claviformis subsp. claviformis Steve Boyd, Orlando Mistretta 1986-3-13 1410 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA645610  Camissonia confusa Scott D. White, Steve Ogg 1994-4-21 2011 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  RSA717330  Camissonia confusa Scott D. White, Angelia Carey 2004-4-5 10023 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR115352  Camissonia confusa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16275 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
  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
  UCR116886  Camissonia graciliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24217 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR119406  Camissonia hirtella Mitch Provance 1998-6-11 645 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  CLARK-A1528-2659  Camissonia ignota John C. Roos 1937-3-24 2186 Riverside Pigeon Pass Comment
  RSA500214  Camissonia intermedia Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3529 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA449034  Camissonia lewisii Christopher Davidson 1973-4-1 1819 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  POM259680  Camissonia pallida subsp. hallii P. A. Munz 1940-3-22 15660 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  POM260479  Camissonia pallida subsp. hallii Reid V. Moran 1941-5-5 844 Riverside East of Quail Spring[s], Joshua Tree National Monument 1300 Comment
  POM253860  Camissonia pallida subsp. pallida A. M. Alexander, Louise Kellogg 1941-4-22 2059 Riverside Morongo Valley Gorge. 701 Comment
  RSA449239  Camissonia pallida subsp. pallida M. B. Dunkle 1932-3-25 2877 Riverside Cabazon. Comment
  RSA556435  Camissonia strigulosa Julie Greene 1993-4-17 1188 Riverside San Jacinto Wildlife Area. Flat area west of Davis Rd. 445 Comment
  UCSB12943  Camissoniopsis bistorta Dearing, Hugh; Dearing, Margaret 1937-4-12 Riverside Coast side of mountains near Orange county line Comment
  SD39522  Camissoniopsis confusa Edith A. Purer 1935-4-21 6449 Riverside Pine Valley; Pines to Palms Highway. Comment
  UC284257  Camissoniopsis hirtella P. A. Munz 1923-6-14 7064 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts. 1219 Comment
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Apr 1 2013
  SDSU3392  Camissoniopsis pallida subsp. hallii H. Wedberg 1958-4-4 231 Riverside About 8 miles up Morongo Canyon from Hwy 60, 70, 99. Comment
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Jan 24 2013
  UCD103576  Camissoniopsis pallida subsp. pallida Collector Unknown 1923-3-25 300 Riverside Whitewater. Comment
  CDA20469  Cannabis indica R. W. Schaffer 2004-3-18 PDR 1262001 Riverside Southern California; Ave 44 & Dillon in Indio. 0 Comment
  UCR169314  Carex T. B. Salvato, John F. Green 2004-5-27 603 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
  UCR59807  Carex barbarae Jeri Hirshberg 1989-7-26 s.n. Riverside Peninsular Range, vicinity of Vail Lake; spring in Butterfield Country Comment
  UCR227911  Carex bolanderi Peter F. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains, bridge over North Fork San Jacinto River, Dark Canyon, at campground 1785 Comment
  RSA754127  Carex fracta W. Schlegel, Andrew Troutte 2008-8-8 5 Riverside Idyllwild: Dry creek bed. Comment
  UC72159  Carex fracta H. M. Hall Jul 1901 2561 Riverside Fullers Mills Mountains San Jacinto Mountains 2072 Comment
  IRVC15568  Carex illota R. H. Whittaker, W. A. Niering 1963-6-2 SJ 179 Riverside Devil Slide Trail. Peninsular Ranges, San Jacinto Mountains 2439 Comment
  UCR205299  Carex multicaulis Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1699 Riverside San Jacinto Mountains, junction of Dark Canyon and Fuller Mill Creek 1585 Comment
  UCR225157  Carex multicostata Steve Boyd, Gary Wallace 2005-7-30 11652 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  CAS-BOT-BC118509  Carex praegracilis Earl W. Lathrop 1959-4-26 4508 Riverside 14 mi W of Murrieta, Tenaja Plateau. Comment
  RSA544377  Carex praegracilis Steve Boyd, Timothy S. Ross 1991-6-14 3692 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UCR64298  Carex schottii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 179 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA682459  Carex senta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8642 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR4013  Carex senta Val Chase 1965-4-30 105 Riverside San Jacinto Mountains, San Bernardino National Forest. 15 yards downstream from the dam & spillway of Lake Fulmor. 1524 Comment
  RSA561889  Carex triquetra Steve Boyd, Timothy S. Ross 1992-6-10 7640 -A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondito., 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
  RSA1156  Castela emoryi B. D. Stark 1929-04 545 Riverside Hayfields, Chuckwalla Valley 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
  UCR116410  Castilleja exserta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24179 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
  UCR158255  Castilleja exserta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30108 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
  SD65547  Castilleja foliolosa Norman C. Cooper 1944-4-22 1125 Riverside Banning 730 Comment
  UCR113855  Castilleja minor subsp. spiralis Mitch Provance 2000-6-24 2037 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR213255  Caulanthus lasiophyllus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37458 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  POM12070  Ceanothus cordulatus Mary F. Spencer 1921-6-11 1205 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  RSA60296  Ceanothus cordulatus G. R. Campbell 1948-7-4 607 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  SBBG71349  Ceanothus cordulatus M. N. Ackley 1929-5-19 Riverside Idyllwild 1676 Comment
  RSA398880  Ceanothus crassifolius N. C. Cooper 1947-4-5 2028 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SDSU10222  Ceanothus crassifolius James C. Dice, George Diggs 1987-12-7 763 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. T8S, R3W, NW 1/4 of section 26. 341 Comment
  UCR91599  Ceanothus crassifolius D. L. Banks, Steve Boyd 1995-3-15 0059 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  RSA19720  Ceanothus cuneatus I. W. Clokey, E. G. Anderson 1935-4-16 6733 Riverside East of Hemet 560 Comment
  SD232319  Ceanothus cuneatus Scott D. White, Justin M. Wood 2008-6-18 12251 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Meadow and adjacent uplands. 1402 Comment
  SEINET10847981  Ceanothus cuneatus var. cuneatus Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 692 Riverside San Bernardino National Forest, San Jacinto Ranger District. 0.9 miles NE of route 74 on Apple Canyon Road. T6S R3E S3 San Bernardino meridian. 1358 Comment
  CLARK-A1528-3895  Ceanothus leucodermis John C. Roos 1952-4-23 5574 Riverside Highgrove Comment
  HSC94288  Ceanothus leucodermis D. Atwood 1993-3-26 17680 Riverside Santa Ana Mtns., 4.8 mi. S of Lake Elsinore along Hwy. 74 808 Comment
  RSA583614  Ceanothus leucodermis Steve Boyd, Darin Banks 1995-3-30 8409 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  UC870533  Ceanothus leucodermis I. W. Clokey, E. G. Anderson 1935-8-21 6737 Riverside Fuller's Creek 1500 Comment
  RSA16499  Ceanothus oliganthus Percy C. Everett 1935-6-18 7208 Riverside 0.5 mi. below (N) Main Divide motorway. 1280 Comment
  RSA586047  Ceanothus oliganthus var. oliganthus D. L. Banks, S. D. Boyd 1995-3-16 99 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, Arroyo Seco drainage. 549 Comment
  UC1070898  Ceanothus oliganthus var. oliganthus A. Lewis Mar 1934 320 Riverside Bedford Canyon Corona quad., Cleveland Nat. For. 1097 Comment
  LA44898  Ceanothus oliganthus var. orcuttii W. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  HSC90191  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mi. W of lake 610 Comment
  RSA517099  Ceanothus ophiochilus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3097 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  UC1594221  Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside 1 mi W of Vail Lake 609 Comment
  RSA221003  Ceanothus palmeri E. W. Lathrop 1966-5-29 6399 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  SJSU9906  Ceanothus perplexans T. G. Balgooyen 1966-5-5 Riverside 20 mi S of Palm Springs 1219 Comment
  UCSB22483  Ceanothus perplexans Easley, Bill 1964-5-10 Riverside Pinyon Flats Camp Ground on Calif. 71. 1249 Comment
  SEINET13946084 Image available Ceanothus sorediatus Dave Hawks 1987-1 s.n. Riverside S. of Hemet, intersection of Palm Ave. and Saddle Ridge Trail. 472 Comment
  SD136766  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 609 Comment
  UC30938  Centaurea melitensis Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UCR62354  Centaurea repens O. F. Clarke 1990-5-24 s.n. Riverside Riverside, intersection of Jackson Street and Victoria Avenue Comment
  SD126658  Centromadia pungens subsp. pungens Ed LaRue 1989-4-21 Riverside Moreno Valley, ca. 1 mile south of Highway 60 on Nason Street. Comment
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Mar 31 2011
  UC1595609  Cerastium glomeratum Steve Boyd and Orlando Mistretta 1991-5-22 6288 Riverside base of Agua Tibia Mt. (Vail Lake area, e. of Dorland Mt., w. of Kolb Creek) 548 Comment
  UCR265602  Cerastium glomeratum Jordan Zylstra 2014-3-18 14003 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UCR91863  Cerastium glomeratum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18116 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  CDA33548  Cercidium floridum Mike Lahti 2010-5-3 PDR# 1358702 Riverside Palm Desert off Hwy 74. Comment
  RSA651716  Cercidium floridum Viki Cruz 1983-5-8 003 *k Riverside Collected 10 ft. from main entrance to Living Desert Reserve. Palm Desert. Comment
  JEPS13976  Cercidium floridum subsp. floridum I. W. Clokey 1935-4-17 6717 Riverside Shafer Wells; ; [Shaver's Wells] Comment
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Apr 24 2011
  POM243638  Cercocarpus betuloides E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  CAS-BOT-BC147688  Cercocarpus betuloides var. betuloides Lathrop; Thorne 1967-9-26 6597 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Stat. 609 Comment
  UCR91601  Cercocarpus betuloides var. betuloides D. L. Banks, Steve Boyd 1995-3-16 0109 Riverside Cleveland National Forest; Agua Tibia Wilderness Area. east of the Dripping Springs Alcove, north of Wildhorse Peak, on the Wildhorse Trail 625 Comment
  CAS-BOT-BC276383  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA0034954  Chaenactis carphoclinia A. L. Haines 1973-3-25 s.n. Riverside Orocopia Mtns. 457 Comment
  POM351673  Chaenactis carphoclinia var. carphoclinia Anstruther Davidson 1926-3-1 s.n. Riverside Near Mecca. Comment
  SD28012  Chaenactis carphoclinia var. carphoclinia Carl B. Wolf 1932-4-29 3111 Riverside Eastern Colorado Desert. Blythe -- Rice Road. 9 miles south of Browns Well. 244 Comment
  RSA0069676  Chaenactis fremontii Cheryl Sevilla, Sarah J. De Groot 2015-3-16 19 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 784 Comment
  UC34697  Chaenactis fremontii H. M. Hall 1902-4-11 2807 Riverside Coyote Canon Colorado Desert, Coyote Canon 152 Comment
  UCR16699  Chaenactis fremontii R. L. Lasby 1969-5-3 16 Riverside San Bernardino Mtns/Colorado Desert, canyon 3 miles NE of Cabezon 671 Comment
  RSA613636  Chaenactis glabriuscula Darin L. Banks, Victor Steinmann 1997-3-13 1482 A 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
  SEINET2030149 Image available Chaenactis glabriuscula Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mountains, San Juan Canyon, highway 74 610 Comment
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Nov 8 2015
  UCR213904  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-22 12910 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  UCR49248  Chaenactis glabriuscula Steve Boyd 1986-4-19 1707 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCR87637  Chaenactis glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  UCSB38655  Chaenactis glabriuscula Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy. 11 at Indian Wells 950 Comment
  UC63014  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-1 1104 .1 Riverside Reche Canon 457 Comment
  SEINET2049307 Image available Chaenactis parishii Kathy Harper 1988-6-11 Riverside San Jacinto Mountains, on Thomas Mountain Road, S of Thomas Mountain Lookout. Comment
  JOTR31175  Chaenactis stevioides La Doux, Tasha, G. Clifton 2009-5-14 1973 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  RSA19431  Chaenactis stevioides var. stevioides I. W. Clokey 1935-4-17 6942 Riverside Cottonwood Springs. Comment
  RSA435982  Chamaesyce albomarginata N. C. Cooper 1949-6-29 4294 Riverside East side of San Jacinto Mountains. 1524 Comment
  RSA793464  Chamaesyce albomarginata Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4370 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  SBBG92825  Chamaesyce micromera D. Charlton 1988-2-18 1146 Riverside S side of Little San Bernardino Mtns, Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10 609 Comment
  RSA781419  Chamaesyce polycarpa Duncan S. Bell 2011-10-22 2999 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA792552  Chamaesyce polycarpa Duncan S. Bell 2012-9-13 4179 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
  SFV10856  Chamaesyce polycarpa M. L. Vincent, R. H. Swade 1963-10-19 455 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UC570788  Chamaesyce polycarpa Margaret Stason 1927-3-12 Riverside Thousand Palms Colorado Desert Comment
  RSA549999  Chamaesyce serpens O. F. Clarke 1976-9-23 s.n. Riverside Common weed on UCR campus. Comment
  JOTR30052  Chamaesyce serpyllifolia La Doux, Tasha, Jade Mohajerin 2006-10-12 1662 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  POM12438  Cheilanthes clevelandii P. A. Munz 1922-4-30 5129 Riverside Tuscalota Creek, south of Hemet. Comment
  RSA6098  Cheilanthes covillei C. B. Wolf 1932-5-24 3646 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  CAS-BOT-BC68051  Cheilanthes parryi C. L. Parry; J. G. Lemmon 1876-4-1 s.n. Riverside Colorado Desert side of Mt. San Jacinto Comment
  CAS-BOT-BC68054  Cheilanthes parryi D. A. Johansen; J. A. Ewan 1932-4-10 7054 Riverside Western Colorado Desert - Ravine at mouth of Tahquitz Canyon Comment
  POM885  Cheilanthes parryi Anonymous 1904-1 s.n. Riverside Chino Canyon, Palm Springs Comment
  RSA0043063  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2014-3-20 6269 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA23175  Cheilanthes parryi I. L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon 3-5 miles south of Palm Springs Comment
  RSA577151  Cheilanthes parryi L. C. Wheeler 1933-12-2 2305 Riverside Mouth Tahquitz Canyon near Palm Springs 144 Comment
  UC668372  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-4-22 2061 Riverside White Water Canyon; Colorado Desert 548 Comment
  CAS-BOT-BC70380  Cheilanthes viscida Rateaver 1944-2-21 69 Riverside Tahquitz Canyon, Palm Springs Comment
  RSA0123693  Cheilanthes viscida Duncan S. Bell, LeRoy Gross 2016-3-30 9159 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA666517  Chenopodium Mitch Provance 2000-10-28 2269 Riverside Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  RSA523512  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3970 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  SD146303  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance and B. Pitzer 2000-9-27 23682 Riverside Santa Ana River Valley; southwest side of Mt. Rubidoux, northwest of the intersection of Tequesquite Ave. and Gregory Road. 231 Comment
  CAS-BOT-BC231792  Chilopsis linearis Geo. B. Grant 1906-5-1 170 a-6740 Riverside Colorado Desert at Palm Springs Comment
  RSA455306  Chilopsis linearis E. C. Jaeger 1922-6-18 s.n. Riverside Banning. 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
  UCSB47186  Chilopsis linearis Hornemann, D. 1977-2-27 Riverside Box Canyon Wash 60 Comment
  CAS-BOT-BC231789  Chilopsis linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-28 275 Riverside In dry stream bed of North Canyon just above juncture with Andreas Canyon; east slope San Jacinto Mountains 350 Comment
  LA204150  Chilopsis linearis subsp. arcuata S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  RSA455324  Chilopsis linearis subsp. arcuata E. Crow 1928-11-12 47 Riverside Morongo Pass, Colorado Desert Comment
  POM9328  Chilopsis linearis subsp. arcuata Mary F. Spencer 1918-4-28 800 Riverside In desert sand. Colorado Desert 122 Comment
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Nov 20 2011
  SEINET10550624  Chilopsis linearis subsp. arcuata Thorne 1973-5-30 THORNE 43577 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley; sandy-gravelly desert wash in creosote bush scrub; Comment
  CAS-BOT-BC451360  Chimaphila menziesii H. M. Hall 1897-6-16 s.n. Riverside San Jacinto Mts. Comment
  RSA736305  Chloris truncata Scott D. White, Justin M. Wood 2008-5-13 11952 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  RSA0018891  Chloris virgata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6027 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  SEINET7067551  Chlorogalum parviflorum A. G. Vestal 1947-6-13 s.n. Riverside About 3.1 miles northeast of De Luz. Coordinate datum: NAD27. UTM Zone 11, 474171mE, 3702715mN. Comment
  UCR139098  Chorizanthe brevicornu B. G. Pitzer 1989-4-16 1307 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  UCR260858  Chorizanthe brevicornu A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41493 Riverside San Gorgonio Pass, c. 3.8 miles east of Cabazon, north of San Gorgonio River wash, south of I-10 and generally NE of water bottling plant, west of dirt road to wind farm 439 Comment
  JEPS57633  Chorizanthe corrugata W. L. Jepson 1927-4-14 11702 Riverside Silent Canyon or foothills Santa Rosa Mountains; foothills Santa Rosa Mountains or Silent Canyon 304 Comment
  POM128750  Chorizanthe corrugata F. W. Peirson 1927-4-12 7175 Riverside Painted Canyon. Comment
  CAS-BOT-BC191308  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside below Anza Tablet at head of Coyote Canyon, SW Riverisde county 1005 Comment
  UC72686  Chorizanthe leptotheca Miss M. A. King 1893-1 Riverside Menifee Comment
  SBBG122006  Chorizanthe parryi var. parryi A. Parikh, N. Gale 2004-6-7 763 Riverside W side of Smith Crk, 2.3 km NE of Highland Springs, 1.3 km W of Banning Bench/Bluff Street 1084 Comment
  UC217961  Chorizanthe parryi var. parryi P. A. Munz and I. M. Johnston 1922-5-19 5359 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UCR123226  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-15 2328 Riverside Gavilan Hills, eastern Lake Mathews area, 2 km west of El Sobrante Rd. and 274 m north of Cajalco Road, 1.2 km west of the entrance gate and 213 m south of the access road 439 Comment
  UCR213674  Chorizanthe polygonoides var. longispina Michael Honer 2003-4-16 1828 Riverside Peninsular Range, Gavilan Hills, west slope, about 1 mile north of I-15 Fwy, 1 mi. east of Lake St. exit, on and around peak 2349 716 Comment
  RSA607326  Chorizanthe rigida R. S. Woglum 1939-3-21 2175 Riverside Sonoran Desert: Mecca; north edge of Salton Sea. Comment
  JEPS44384  Chrysolepis sempervirens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4264 Riverside Summit of Toro Peak; Santa Rosa Mts. Comment
  CLARK-A1528-1771  Chrysopsis villosa John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  UCR23281  Chrysothamnus nauseosus John C. Roos, L. Roos 1950-10-21 5013 Riverside Mojave Desert, Little San Bernardino Mountains, Wonderland of Rocks [Joshua Tree National Park] 1220 Comment
  UCR34882  Chrysothamnus nauseosus L. B. Ziegler 1977-10-24 576 Riverside San Jacinto Mtns., Black Mtn. Campground 2287 Comment
  POM183883  Chrysothamnus nauseosus subsp. consimilis P. A. Munz 1932-10-16 12842 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  OBI38923  Chylismia claviformis A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6078 Riverside Corn Spring, Chuckwalla Mts, was below the spring ans wsh and rocky slopes to the S 488 Comment
  CAS-BOT-BC160606  Chylismia claviformis subsp. aurantiaca Lewis S. Rose 1937-4-10 37178 Riverside Indio - Blythe Road, 26 mi. E. of Indio 457 Comment
  CAS-BOT-BC160621  Chylismia claviformis subsp. aurantiaca L. A. Greata 1905-4-1 435 Riverside Coachella Comment
  JOTR33760  Chylismia claviformis subsp. aurantiaca La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2758 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
  UC1184359  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-15 11847 Riverside 4.5 mi e turn to Painted Canyon; Box Canyon Comment
  UCD103907  Chylismia claviformis subsp. aurantiaca Geoffrey Levin 1976-11-26 1190 Riverside Box Canyon, about 11 miles E of Mecca. 91 Comment
  UCR267891  Chylismia claviformis subsp. aurantiaca Jim Andre 2013-3-4 23860 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA0121003  Chylismia claviformis subsp. claviformis Duncan S. Bell, LeRoy Gross 2016-3-8 8830 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  CAS-BOT-BC287959  Cirsium occidentale var. californicum John Thomas Howell 1931-5-31 6601 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  JEPS30448  Cirsium occidentale var. californicum Donald Kyhos 1958-5-16 58 -186 Riverside 1 mi up road toward Mount Santa Rosa summit; San Jacinto Mts. Comment
  UC63136  Cirsium scariosum H. M. Hall 1897-5-18 541 Riverside Cahuilla Comment
  UC489228  Cirsium scariosum var. congdonii C. V. Meyer 1928-7-1 617 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  POM12974  Cistanthe monandra P. A. Munz, I. M. Johnston 1922-5-21 5516 Riverside 1/2 mile above Keen Camp, San Jacinto Mountains 1524 Comment
  RSA583357  Cistanthe monandra Steve Boyd, Darin Banks 1995-4-5 8422 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  POM782  Cistanthe monosperma H. M. Hall 1901-07 2352 Riverside In open forests of Tahquitz Valley. 2439 Comment
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Jul 5 2010
  RSA714629  Citrullus colocynthis Mitch Provance 2003-5-25 s.n. Riverside Santa Ana River Valley: north side of Ab Brown Park, along Placentia Lane 0.5 mi. SW of the La Loma Hills. 255 Comment
  CAS-BOT-BC172109  Clarkia dudleyana Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UCR177939  Clarkia dudleyana Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 529 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA740636  Clarkia purpurea Scott D. White, Justin M. Wood 2008-6-18 12212 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  RSA789234  Clarkia purpurea Naomi S. Fraga, Duncan S. Bell 2009-5-6 2708 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
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Dec 15 2014
  RSA525333  Clarkia purpurea subsp. quadrivulnera Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4463 Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  POM12788  Clarkia rhomboidea P. A. Munz 1922-6-23 5771 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  RSA458859  Clarkia rhomboidea N. C. Cooper 1945-5-24 1649 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA612490  Claytonia parviflora D. L. Banks 1997-2-23 1327 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA757990  Claytonia parviflora subsp. parviflora Doug Goldman 2005-5-11 3281 Riverside White Post Turn on Rt. 74, to the E. side of the road and NW part of the turn, about 3.9mi W. of the intersection with Rt. 243. San Bernardino National Forest. 1088 Comment
  UCR70285  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3943 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  UCD100754  Claytonia perfoliata A. C. Sandes 2002-5-4 25039 Riverside San Jacinto Mtns.: Idyllwild, Pine Crest Ave., NE of Hwy 243. 1677 Comment
  UCR179210  Claytonia perfoliata Mitch Provance, Tracy Tennant 1998-6-16 MOR- 387 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR241946  Claytonia perfoliata A. C. Sanders, Timothy W. Chumley 2013-3-28 40705 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 393 Comment
  POM17833  Clematis lasiantha P. A. Munz, D. D. Keck 1923-6-14 7084 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  SD152773  Clematis lasiantha Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6758 Riverside Santa Ana Mountains, San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring 671 Comment
  UC853959  Clematis pauciflora P. A. Munz and I. M. Johnston 1922-5-7 5257 Riverside Little San Bernardino Mts., Keyes Ranch 1066 Comment
  UCSB9195  Clematis pauciflora Eater, John 1966-3-18 Riverside Lower San Juan Campground; 16.8 miles east on Route 74 off of US 101 Comment
  RSA650754  Cleome isomeris Dick Crowell 1949-3-25 s.n. Riverside Collected 15 miles east of Indio on Hwy. 60. 457 Comment
  SEINET199116  Coldenia palmeri Francia Chisaki, J Ingram; H Arnott 1955-4-18 621 Riverside 5.7 miles northwest of Thousand Palms on Hwy 60 Comment
  RSA0117419  Collinsia concolor B. L. Phillips 1988-4-29 s.n. Riverside Vail Lake, E of Temecula, in canyon S of, and draining into, SW finger of lake. Comment
  RSA0117457  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1107 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  VVC478  Collinsia concolor A. C. Sanders, J. Mac 1997-5-4 20667 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
  SEINET7073400  Collinsia heterophylla A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR24482  Collinsia heterophylla John C. Roos 1950-4-15 4733 Riverside In the hills NE of the summit of Reche Canyon 546 Comment
  GMDRC6572  Collomia grandiflora J. M. Andre 2012-6-15 30528 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  RSA791581  Colubrina californica D. Silverman, M. Bibbo 2010-3-31 7898 Riverside East flank of southern McCoy Mountains, 2.9 km west of Black Creek Road, 5.8 km northeast of McCoy Peak, and 7 km north of I-10. 195 Comment
  RSA741570  Convolvulus arvensis Scott D. White, Justin M. Wood 2008-6-17 12162 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA557358  Conyza bonariensis Julie Greene 1993-6-11 1355 Riverside [Unspecified] 440 Comment
  UC885642  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside Fuller's Creek; San Jacinto Mts 1500 Comment
  UCD123098  Cordylanthus rigidus subsp. setiger R. N. Raynor 1941-7-28 s.n. Riverside Highway #71 between Temecula and Aguanga. 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
  RSA395352  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  POM259196  Corethrogyne filaginifolia P. A. Munz 1938-8-13 15337 Riverside East of Santa Rosa Peak. 2378 Comment
  POM49860  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1924-7-29 8858 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA660640  Corethrogyne filaginifolia Starr Streight 1982-4-17 5 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  SD136906  Corethrogyne filaginifolia Steve Boyd 1994-10-14 8401 Riverside San Mateo Canyon Wilderness Area, along the Fisherman's Camp Trail. 449 Comment
  SD239607  Corethrogyne filaginifolia A. C> Sanders 2010-11-18 38690 Riverside Peninsular Range: western Gavilan Hills; eastern edge of Corona, north end of radio tower ridge, 1.85 miles NNE (25a^z) of El Cerrito, 1 mile SSE (143a^z) of Home Gardens, just east of large rock quarry (Corona South 7.5'Q) 398 Comment
  SBBG59861  Cornus nuttallii M. Lewis 1947-8-26 25 Riverside N slope of Dark Cyn 1981 Comment
  SEINET3071319  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  CDA20526  Cotula australis D. Domenigoni 2005-5-2 PDR 1261702 Riverside Peninsular Ranges; Perris. 0 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
  RSA0121172  Crassula connata Duncan S. Bell, LeRoy Gross 2016-3-30 9178 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  RSA757637  Crassula connata LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4317 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SEINET7073382  Crassula connata A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR116463  Crassula connata A. C. Sanders, T. B. Salvato 2001-3-30 23860 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCD101825  Crassula tillaea A. C. Sanders; T. B. Salvato 2001-5-3 24102 Riverside Perris-Aguanga Basin region; Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  CLARK-A1045-300  Crepis capillaris George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  SD38405  Cressa truxillensis Edith A. Purer 1936-4-6 6880 B Riverside South of Elsinore Comment
  UC1929302  Cressa truxillensis Scott D. White, Justin Wood 2008-4-15 11875 Riverside Perris Valley; Interstate 215, between Nuevo Rd and Scott Rd. Comment
  CAS-BOT-BC181565  Crossosoma bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, Colorado Desert 304 Comment
  LA204990  Croton californicus A. M. Johnson; 1933-4-28 4208 Riverside Indian Wells, 15 mi. below {S] Palm Springs Comment
  RSA33619  Croton californicus N. C. Cooper 1944-7-15 1546 Riverside Banning. 701 Comment
  RSA604870  Croton californicus Scott D. White 1995-12-24 3798 Riverside Lakeview Mtns: Ca 5 road mi SE of Davis RD/Ramona Expwy intersection. 610 Comment
  SEINET3089931 Image available Croton californicus B. Pitzer 1986-5-24 247 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 1/4 mi N of hatchery boundary. Whitewater 7.5' quad: Comment
  SFV2072  Croton californicus M. L. Vincent, R. H. Swade 1963-10-19 465 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UCR21936  Croton californicus Steve Boyd 1980-5-11 244 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR230192  Cryptantha A. C. Sanders 2011-4-6 38992 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA776817  Cryptantha angustifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1090 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  SBBG6239  Cryptantha angustifolia H. and M. Dearing 1942-4-3 4852 Riverside near Desert Center 518 Comment
  UCR134600  Cryptantha angustifolia Marisa Sripracha, Kyle Boyd 2004-2-14 016 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR279538  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-27 43127 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Siphon 22 on the Coachella Canal, just inside Naval Aerial Gunnery Range boundary 23 Comment
  UCR85434  Cryptantha angustifolia George K. Helmkamp 1994-4-26 88 6 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  SEINET10455849  Cryptantha angustifolia David B. Dunn 1946-2-22 Dunn 1959 Riverside Collected in mud flats dry, caked and split. All American Canal catch basin from desert washes. Oracopia Mts. NE of the Saltan Sea. Very arid country. Comment
  SD216465  Cryptantha barbigera Carol R. Annable 1995-3-10 2264 Riverside 1.6 kilometers South of Lake Cahiulla County Park. Comment
  UC667345  Cryptantha barbigera Annie M. Alexander and Louise Kellogg 1941-4-27 2093 Riverside Joshua Tree National Monument, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
  SDSU18675 SDSU18675
Image available
Cryptantha barbigera var. barbigera Kristen Hasenstab, M. G. Simpson 2008-4-1 43 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park, under the partial shade of a Hyptis emoryi. 574 Comment
  RSA0124822  Cryptantha barbigera var. fergusoniae Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8747 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA49359  Cryptantha circumscissa P. A. Munz 1949-4-11 13007 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  UCR127341  Cryptantha corollata A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25845 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA155549  Cryptantha costata L. S. Rose 1962-3-2 62002 Riverside La Quinta. 3 Comment
  UCR127961  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16117 Riverside Coachella Valley, NW end of valley, wash east of Hwy 62 and south of Indian Ave, 0.45 mi south of Indian on Worsley Rd 500 Comment
  UCR174946  Cryptantha decipiens Jennifer H. Jones, Toby Bartels 2006-4-23 276 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR75082  Cryptantha holoptera A. C. Sanders, E. J. Lawlor 1992-4-4 12131 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA0108939  Cryptantha inaequata Duncan S. Bell, Amanda Bell 2012-1-28 3071 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  HSC3617  Cryptantha intermedia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23092 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  UCR142239  Cryptantha intermedia June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR215620  Cryptantha intermedia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 07 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  RSA784934  Cryptantha maritima Duncan S. Bell 2012-2-12 3102 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR147845  Cryptantha maritima Steve Boyd, Et al. 2004-5-14 11274 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR249503  Cryptantha maritima T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7289 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR72197  Cryptantha maritima Theo Glenn 1992-3-31 92 4 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  JOTR35464  Cryptantha micrantha var. lepida Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 67 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  RSA499652  Cryptantha micrantha var. lepida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR110994  Cryptantha micrantha var. lepida George K. Helmkamp 1998-6-27 4113 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA778529  Cryptantha micrantha var. micrantha Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 952 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UCR77745  Cryptantha micromeres Steve Boyd 1991-5-20 6274 Riverside Santa Ana Mtns., NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary 671 Comment
  HSC85285  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  UC217963  Cryptantha microstachys P. A. Munz and I. M. Johnston 1922-5-19 5346 Riverside 5 mi ne Murietta 457 Comment
  UCR115432  Cryptantha microstachys Scott D. White, D. E. Bramlet 1999-4-22 7244 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR156279  Cryptantha microstachys T. B. Salvato, Kent Beaman 2005-5-16 824 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
  UC24692  Cryptantha muricata H. M. Hall Jun 1901 2224 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UC1329935  Cryptantha pterocarya James E. Cole 1941-4-13 566 Riverside 0.5 mi n Meeks Cabin; Joshua Tree National Monument, Pinto Pass Comment
  UCD120018  Cryptantha pterocarya William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SEINET8731259 Image available Cryptantha racemosa Lewis S. Rose 1938-1 38338 Riverside 12 mi. sw. of Cathedral City. Palms to Pines Highway, San Jacinto Mts. 457 Comment
  POM13218  Cryptantha utahensis E. C. Jaeger 1921-4-7 1128 Riverside Mission Creek, Colorado Desert Comment
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Nov 5 2011
  UC2015591  Cryptantha utahensis A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16178 Riverside Coachella Valley/ San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. Comment
  UCR232065  Cucurbita palmata John F. Green 2008-4-24 13- 07 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  POM3644  Cuscuta californica I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  UCR272458  Cuscuta californica var. papillosa Mitch Provance 2012-8-1 712- 05 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  RSA71009  Cuscuta salina F. W. Peirson 1924-6-21 4760 Riverside Along south end of Lake Elsinore 381 Comment
  UCR111754  Cycloloma atriplicifolium S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR207550  Cycloloma atriplicifolium O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR207985  Cycloloma atriplicifolium L. C. Wheeler 1932-7-9 938 Riverside Santa Ana River at Chino Creek, (El Rincon) Corona 152 Comment
  POM222642  Cycloloma atriplicifolium L. C. Wheeler 1932-7-9 938 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA0073879  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
  SEINET5624442 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17726 Riverside Chuckwalla Mountains, just south of Corn Springs Wash, 250m east of its confluence with Irish Wash, 500m NW of Aztec Well, 74 km west of Blythe; Desert Center 7.5' USGS topographic quadrangle 641 Comment
  UCR246557  Cynanchum utahense Duncan S. Bell 2009-4-19 273 Riverside Arica Mountains, west side of range, c. 2.5 air miles SW of Priests Well 391 Comment
  SEINET3099346 Image available Cyperus G. Rink, M. Baker, T. Thomas. M. Honer, A. Karl 2010-10-2 10333 b Riverside Private. Canal two miles north of Blythe. 70 Comment
  UCR130876  Cyperus difformis A. C. Sanders 2001-12-22 24891 Riverside Perris-Aguanga Basin, Perris, south side of Mildred St. between Redlands Ave. and Ruby St. 436 Comment
  CAS-BOT-BC114541  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Perris: Nuevo Road near intersect. w/Wilson Ave., W of the San Jacinto Riv crossing. 432 Comment
  POM319702  Cyperus eragrostis Patricia Wilder 1971-11-11 5289 Riverside Along Santa Ana River, Santa Ana River Drainage Area. 229 Comment
  RSA737321  Cyperus eragrostis Justin M. Wood 2008-9-22 155 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR65280  Cyperus erythrorhizos Steve Boyd, T. S. Ross 1989-8-28 3801 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  UCR146245  Cyperus involucratus R. F. Thorne 1965-4-4 41861 Riverside San Jacinto Mountains, Tahquitz Falls, Taquitz Canyon 305 Comment
  UCR59690  Cyperus involucratus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3578 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  SBBG94682  Cyperus odoratus S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 mi (airline) SW of Temecula, on Via Yerba Rd, E of Vaquero Rd Comment
  UCR188896  Cyperus odoratus Fred M. Roberts, S. Leatherman 2007-9-19 6589 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CLARK-A1703-1200  Dalea emoryi Charlotte Stocks 1962-6-25 Riverside Indio Comment
  UC865993  Dalea mollis P. A. Munz and D. Keck 1922-4-8 4738 Riverside Mecca Colorado Desert, Mecca -30 Comment
  UCR167392  Dalea mollis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  SD27946  Dalea mollissima Carl B. Wolf 1932-4-27 2994 Riverside 14 miles east of Mecca, on Blythe Road. 500 Comment
  POM13632  Dasyochloa pulchella E. C. Jaeger 1921-3-28 1042 Riverside Redrock Canyon, 15 miles east of Mecca Comment
  UC19642  Datisca glomerata Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UC2042147  Datisca glomerata R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49547 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  JEPS12291  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shaver Wells Comment
  RSA421894  Datura wrightii Jeannette B. Edge 1934-3-25 18930 Riverside Jurupa Mts. 366 Comment
  UCR279584  Datura wrightii A. C. Sanders, Jim Malusa 2017-3-28 43135 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
  UCR3497  Datura wrightii Frances Miller 1964-5-5 M 6431 Riverside just above RR tracks at base of Box Springs Mtns, end of Big Springs Rd. 396 Comment
  SD186052  Daucus pusillus A. C. Sanders, Mike Misenhelter 2005-6-15 30966 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd. near Calle de Nino. 640 Comment
  UCR158727  Daucus pusillus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30010 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
  UCR1668  Daucus pusillus Annette Price 1962-5-8 088 Riverside Santa Ana Mtns., Santa Rosa Plateau, Tenaja Road, c. 4 mi. [west] from Washington Avenue, Murrieta 549 Comment
  UCR171908  Daucus pusillus John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR194237  Daucus pusillus Mitch Provance, Michael L. Fugate 2005-4-14 10051 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  UC1519491  Deinandra fasciculata Robert Gustafson and Gary Wallace 1983-6-23 2720 Riverside along Clinton Keith Road ca 2 1/2 mi from its junction Hwy 15; Santa Ana Mts. Comment
  CAS-BOT-BC294111  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside Vicinity of Riverside 365 Comment
  SD240867  Deinandra kelloggii A. C. Sanders, John F. Green 2012-6-1 40224 Riverside Peninsular Range; Santa Ana Mtns. Region: old railroad grade in hills between I-15 and Temescal Canyon Rd., 0.6 km WNW (295a^z) of El Hermano Rd. junction with Temescal Cyn. Rd. 324 Comment
  RSA736661  Deinandra paniculata Justin M. Wood 2008-7-16 25 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  SD181704  Deinandra paniculata Scott D. White 1998-10-9 7170 Riverside Corona, near Bedford Canyon; site adjacent to housing tracts now under construction and proposed for same. 334 Comment
  UC1792831  Deinandra paniculata A. C. Sanders 2004-7-1 28373 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, ca. 1.5 mile WNW of the Menifee-Antelope Community Hall, 5 miles due south of Sun City 475 Comment
  UC69877  Deinandra paniculata C. M. Wilder 1905-7-10 127 Riverside Jurupa Hills Comment
  HSC47890  Delphinium parishii H. Lewis, M. Lewis 1946-4-21 595 Riverside Whitewater Comment
  UCR88425  Delphinium parishii A. C. Sanders, K. C. Rose 1995-4-5 16345 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CAS-BOT-BC7987  Delphinium parishii subsp. parishii Philip Alexander Munz; Percy C. Everett 1952-5-2 16240 Riverside Morongo Wash, n.w. end of Coachella Valley 457 Comment
  UCSB1979  Delphinium parishii subsp. parishii Yokoyama, Howard 1953-3-26 Riverside White Water Canyon Comment
  RSA0020481  Delphinium parishii subsp. parishii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Colorado Desert. 366 Comment
  LA207619  Delphinium parishii subsp. subglobosum Carl Epling; Mrs. Epling 1937-6-7 sn Riverside 1 mi. above Pine Flat Comment
  RSA13191  Delphinium parryi E. R. Johnson 1935-5-5 6759 Riverside Gavilan Hills, Cajalco District. North Side of Carob Ranch. Comment
  UC9156  Delphinium patens subsp. hepaticoideum H. M. Hall May 17 1901-Jun 1 1901 1804 Riverside Strawberry Valley San Jacinto Mt. Comment
  UC855080  Dendromecon rigida I. W. Clokey and E. G. Anderson 1935-4-16 6730 Riverside above Hemet 700 Comment
  UCSB18089  Dendromecon rigida Flath, Carol 1963-5-4 Riverside Banning-Idlewild Road, 4 miles S of Banning, San Jacinto Mountains 1158 Comment
  RSA262099  Dendromecon rigida subsp. rigida E. W. Lathrop 1971-3-24 7468 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA752789  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  JOTR28912  Descurainia pinnata La Doux, Tasha, Bill Truesdell 2004-2-24 1147 Riverside Joshua Tree National Park. Eagle Mountains; Trail to Lost Palms Oasis, southeast of Cottonwood Oasis 914 Comment
  UCR264651  Descurainia pinnata Mitch Provance 2013-4-8 413- 07 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  JOTR34104  Descurainia pinnata subsp. glabra La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2725 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  SDSU13538  Dicentra chrysantha W. Miller, C. Mosse 1972-7-19 Riverside 50 feet south of dump on south road. Comment
  UC56943  Dicentra chrysantha H. M. Hall 1901-8-6 2630 Riverside Chalk Hill; San Jacinto Mountains 1432 Comment
  UCR19416  Dicentra chrysantha C. S. Papp 1965-6-13 841 Riverside San Jacinto Mtns, Idyllwild 1829 Comment
  UCR141685  Dicentra ochroleuca June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  UCR154826  Dichelostemma capitatum A. C. Sanders, Mike Misenhelter 2005-3-23 29275 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  POM356426  Dicoria canescens H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
  RSA643295  Dicoria canescens R. D. Goeden, D. W. Ricker 1986-5-29 s.n. Riverside Coachella Valley: Indio, Monroe St. -6 Comment
  SD255089  Dicoria canescens Duncan S. Bell 2010-10-23 1991 Riverside East side of Arica Mountains; west side of Rice Valley; abaout 3 air miles south of the ghost stown of Rice. 227 Comment
  CAS-BOT-BC292250  Dieteria asteroides var. asteroides H. M. Hall 1905-4-1 5920 Riverside Colorado Desert. Paloverde [Palo Verde] Valley 91 Comment
  SEINET3829022  Diplachne fusca J. R. Reeder, C. G. Reeder 1987-1 8054 Riverside Ca. 2 km south of Ripley. 15 Comment
  RSA0016057  Diplacus fremontii Duncan S. Bell, Valentin Arvizu 2010-5-10 974 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA0019417  Diplacus fremontii LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6173 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  SBBG122765  Diplacus fremontii A. Parikh 1990-5-12 169 Riverside Arroyo Seco, S of Dripping Springs Cmpgrd, 1 km S of Hwy 79, 2.8 km E of Woodchuck Rd 494 Comment
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Apr 29 2011
  RSA0019405  Diplacus fremontii Carl B. Wolf 1932-8-6 3996 Riverside 2.9 mi From Idyllwild on the road to Hemet. 1220 Comment
  CAS-BOT-BC150672  Diplacus longiflorus Steve Boyd 1986-4-22 1749 Riverside Temescal Canyon: just south of Interstate 15 Comment
  RSA751357  Diplotaxis erucoides Steve Morgan 1998-3-18 s.n. Riverside weed in the UCR Botanical Garden, E side of the UCR campus 396 Comment
  UCR2335  Distichlis spicata F. M. Reed 1903-11-23 424 Riverside Riverside, water company pasture on Magnolia Avenue below Arlington Ave. 255 Comment
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Oct 6 2017
  UC303381  Ditaxis claryana Marcus E. Jones, A. M. 1906-4-26 Riverside Indio Comment
  JOTR36013  Ditaxis lanceolata Harding, Mitzi, T. Herskovits 2012-3-16 220 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  POM87126  Ditaxis lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. 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
  RSA781608  Ditaxis serrata Duncan S. Bell 2011-12-30 3040 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  RSA793607  Ditaxis serrata var. californica Duncan S. Bell, Aaron Sedgwick 2012-9-13 4206 A Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  UCR16942  Dodecatheon clevelandii E. W. Lathrop 1971-3-21 7452 Riverside Santa Ana Mtns., Cleveland National Forest, Trabuco District, Bedford Truck Trail 1220 Comment
  JEPS108466  Downingia bella Lisa Schultheis 1995-5-9 146 -95 Riverside Santa Rosa Plateau Preserve. Vernal Pool Trail, off of Via Volcano. Comment
  CLARK-A1045-178  Downingia cuspidata George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCR41829  Draba cuneifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6118 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA66561  Draba cuneifolia var. integrifolia F. W. Peirson 1920-2-16 2326 Riverside Palm Canyon Creek near Palm Springs. Comment
  RSA562487  Drymocallis glandulosa Steve D. Boyd, Tim S. Ross 1992-5-5 7249 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  POM12103  Drymocallis glandulosa var. reflexa Mary F. Spencer 1921-6-15 1862 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA0018442  Drymocallis lactea var. lactea J. D. Olmsted 1959-7-1 714 Riverside Wellman's Cienega between saddle and San Jacinto Peak along trail near stream crossing; 4.5 mi. NE of Idyllwild. San Jacinto Mountains, Willow-Tahquitz drainage area. 2805 Comment
  UC1495654  Dryopteris arguta R. T. Clausen 1963-4-23 63061 Riverside ridge s of Red Mt.; Transverse Ranges 1000 Comment
  UCR12626  Dryopteris arguta I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  RSA304575  Dudleya abramsii A. C. Sanders 1981-7-11 2205 Riverside Bull Canyon Road just inside the Forest Service boundary. Comment
  UCR5884  Dudleya multicaulis Charles Prentiss 1966-5-10 s.n. Riverside Santa Ana Canyon, 300 yards south of Riverside - Newport Freeway, 1 mi. east of Orange County line. Comment
  CAS-BOT-BC109611  Dudleya saxosa subsp. aloides D. W. Kyhos 1960-6-1 s.n. Riverside Bed of San Gorgonio River 2 miles north of Banning. Comment
  POM182211  Dudleya saxosa subsp. aloides P. A. Munz 1932-4-24 12396 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA397828  Dudleya saxosa subsp. aloides N. R. Zabriskie, W. M. Zabriskie 1973-4-25 648 Riverside N slope Santa Rosa Mtns., Deep Canyon drainage. Lower portion of steep-walled canyon overlooking salamander oasis. 915 Comment
  SD29177  Dudleya saxosa subsp. aloides Reid Moran 1941-5-4 834 Riverside Whitewater Comment
  UC933327  Dudleya saxosa subsp. aloides Reid Moran 1946-3-20 1944 Riverside San Andreas Canyon Comment
  UCR24174  Dudleya saxosa subsp. aloides John C. Roos, Lucille Roos 1949-4-23 4285 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Munsen Canyon Comment
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Apr 24 2011
  POM301794  Dyssodia cooperi J. Cole 1942-05 s.n. Riverside Ruby Lee Mine, NE Joshua Tree National Monument Comment
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Nov 13 2011
  POM356485  Dyssodia cooperi Robert Kessler 1927-05 s.n. Riverside Colorado Desert. Comment
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Nov 13 2011
  POM13288  Dyssodia porophylloides E. C. Jaeger 1921-04 1059 Riverside Cottonwood Mts. Comment
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Nov 6 2011
  UCR72237  Dyssodia porophylloides Theo Glenn 1991-5-27 91- 121 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  RSA0106466  Echinochloa crus-galli Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR2341  Echinochloa crus-galli F. M. Reed 1936-7-27 s.n. Riverside South Coast; San Bernardino Valley, Riverside, edge of Fairmont Park [Evans] Lake opposite American Legion Club House 241 Comment
  RSA40573  Eclipta prostrata J. C. Roos 1948-10-23 s.n. Riverside Mud at edge of shallow pool. Comment
  HSC37506  Ehrendorferia chrysantha J. D. Ackerman, A. M. Montalvo 1975-6-26 529 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  UC219278  Elatine californica P. A. Munz and I. M. Johnston 1922-5-21 5520 Riverside Hemet Valley San Jacinto Mts 1386 Comment
  SBBG90326  Eleocharis palustris L. F. LaPre 1988-7-22 Riverside Santa Rosa Springs Ranch, Santa Rosa Plateau W of town of Murrieta 548 Comment
  JOTR38422  Eleocharis parvula Hodges, Stephen, A. Ingersoll 2015-8-26 651 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  CAS-BOT-BC227737  Elymus elymoides Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  POM12137  Elymus glaucus subsp. glaucus Mary F. Spencer 1919-6-30 1314 Riverside Near Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA574565  Elymus glaucus subsp. glaucus Steve Boyd 1985-7-23 1016 -A Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  RSA444571  Emmenanthe penduliflora Walter Wisura 1988-3-23 4215 Riverside In wash along trai aproaching 49 palms oasis, Joshua Tree National Comment
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Sep 7 2013
  RSA613640  Emmenanthe penduliflora D. L. Banks, Victor W. Steinmann 1997-3-13 1479 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
  SEINET7073431  Emmenanthe penduliflora A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UC1929410  Emmenanthe penduliflora Scott D. White 2004-4-26 10269 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  CAS-BOT-BC131160  Encelia actoni Mary F. Spencer 1919-7-9 1188 Riverside Foothills of San Jacinto Mt. 571 Comment
  RSA644190  Encelia actoni Scott D. White 1995-8-23 3561 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  SD87729  Encelia actoni Frank W. Peirson 1928-4-24 7891 Riverside Cottonwood Spring. Comment
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Oct 9 2010
  HSC87147  Encelia farinosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2142 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA790974  Encelia farinosa Aaron C. Sedgwick, David Fraker 2012-4-24 8 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  SD173220  Encelia farinosa Melvin M. Sweet 2005-4-14 126 Riverside Anza-Borrego State Park; about 2 km NE of Middle Willows in Coyote Canyon stream bed 641 Comment
  SEINET2050160 Image available Encelia farinosa H. S. Gentry 1948-8-22 8183 Riverside Near Sage. Comment
  SJSU1904  Encelia farinosa J. W. Tilden 1957-4-18 1099 Riverside near Whitewater E of San Gorgonio Pass Comment
  UCD131202  Encelia farinosa David Charlton 1988-2-18 1156 Riverside Alluvial Fan, south side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10. 5 miles east of Jct Dillon Road and Fargo Canyon Road. 762 Comment
  UCR102713  Encelia farinosa B. G. Pitzer 1998-1-24 3398 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  LA104795  Encelia farinosa var. farinosa Barry A. Prigge; 1988-2-21 7839 Riverside Orocopia Mountains, 2 mi. W of Clemens Well 228 Comment
  RSA226627  Encelia farinosa var. farinosa C. W. Tilforth, John Dourley 1971-8-17 437 Riverside Cajalco Raod, 1.3 miles W of jct with La Sierra Road, W of Lake Mathews 412 Comment
  UC68862  Encelia frutescens H. M. Hall 1905-4-1 5939 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  OBI38921  Ephedra aspera A. C. Sanders, D. Charlton, & B. Pitzer, B. Pitzer 1986-3-3 6142 Riverside North foot of the Chuckwalla Mts, 2-3/4 mi airline SE of Desert Center 366 Comment
  RSA650255  Ephedra californica Louis R. Klins 1949-2-6 s.n. Riverside Lazy B Ranch 10 mile[s] NE of Palm Springs California Comment
  RSA794236  Ephedra nevadensis J. Andre 2012-3-19 21334 Riverside Chuckwalla Mountains; north end of range at Jaeger Nature Sanctuary, 1.5 miles south of junction Eagle Mountain Road and I-10 freeway. 411 Comment
  SEINET3867763  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6477 Riverside Rice Valley, 30 miles south-southwest of Rice.; 0 244 Comment
  SEINET10532277  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6477 Riverside Rice Valley, 3 mi SSW of Rice. Common among sand dunes. 244 Comment
  UCSB9241  Ephedra viridis Krogen, Roger 1957-1 Riverside 7 mi. W of junction of Hwy 60-70 in Box Canyon wash Comment
  UCR101463  Epilobium brachycarpum A. C. Sanders, K. C. Rose 1998-9-29 22248 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR35213  Epilobium canum L. B. Ziegler 1967-8-30 233 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  RSA186221  Epilobium canum subsp. latifolium L. B. Ziegler 1966-9-13 s.n. Riverside Carrizo Creek, desert side of San Jacinto Mountains. 671 Comment
  RSA588530  Epilobium canum subsp. latifolium J. S. Stubblefield 1932-10-10 s.n. Riverside Near Colorado River. Comment
  SD43540  Epilobium canum subsp. latifolium P. A. Munz 1946-10-20 11583 Riverside Edge of wash, in disintegrated granite; Cottonwood Springs, Joshua Tree National Monument. 1096 Comment
  UCR129331  Epilobium canum subsp. latifolium C. B. Wolf 1932-10-12 04299 Riverside Sonoran (Colorado) Desert, Pinyon Well, Little San Bernardino Mtns. 1220 Comment
  UC1931072  Epilobium ciliatum Scott D. White, Justin Wood 2008-7-9 12424 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  UCR268589  Epilobium densiflorum Jim Andre 2012-6-15 30541 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR25053  Epilobium glaberrimum A. C. Sanders 1980-7-22 1697 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  POM15658  Epilobium hallianum Mary F. Spencer 1922-6-26 1705 Riverside Idyllwild, San Jacinto Mountains. 1220 Comment
  RSA698280  Epilobium oregonense J. R. Bruff 1934-7-5 s.n. Riverside [Unspecified] 2896 Comment
  RSA656550  Epilobium pygmaeum A. C. Sanders 2000-5-25 23418 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA381725  Epipactis gigantea Joseph A. Ewan 1930-4-17 3051 Riverside Warners Ranch at Whitewater. 396 Comment
  UCR24937  Epipactis gigantea A. C. Sanders 1980-7-22 1715 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  RSA684637  Equisetum laevigatum Gale Sphon 1956-6-13 s.n. Riverside Hemet Meadow, Mountain Meadow Comment
  RSA737222  Eragrostis cilianensis Justin M. Wood 2008-9-30 181 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SEINET10562598  Eragrostis cilianensis Steve Boyd 1989-7-9 Boyd 3770 Riverside Weeds in vegetable garden of house at 4863 Rubidoux Avenue. Comment
  RSA682319  Eragrostis pectinacea var. pectinacea A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15770 Riverside San Jacinto Mts. N slope of mts.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing., (116 deg 48'W, 33 deg 53'N 854 Comment
  UCR2389  Eragrostis pectinacea var. pectinacea F. M. Reed 1918-11-3 4020 Riverside Riverside Comment
  RSA23236  Eremalche rotundifolia Ernest Braunton 1940-3-4 2026 Riverside 5 mi. East of Shaver s Well. Comment
  UCR148444  Eremalche rotundifolia 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
  RSA596668  Eremocarpus setiger D. L. Banks, Lauren Raz 1996-11-5 1149 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  UC68567  Eremothera boothii subsp. condensata H. M. Hall Apr. 1905 5804 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  JOTR35062  Eremothera refracta La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3514 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UC874147  Eremothera refracta Ira L. Wiggins 1937-3-9 8756 A Riverside wash 5 mi w Shaver's Well Comment
  UCR126207  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-5-29 123 Riverside San Jacinto Mtns., Old Banning-Idyllwild Road, 0.4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road 683 Comment
  RSA0110546  Eriastrum densifolium subsp. elongatum Mark Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, Adjacent to Dripping Springs Public Campground road, ca. 500 m south of terminal loop of campground road, along east side bank of creek. 488 Comment
  UC472923  Eriastrum diffusum subsp. diffusum P. C. Standley Aug 1922 Riverside Idyllwild San Jacinto Mts. 1828 Comment
  RSA0042917  Eriastrum eremicum Duncan S. Bell, Evan Meyer 2014-4-2 6498 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  JEPS69040  Eriastrum eremicum subsp. eremicum W. L. Jepson 1901-5-24 1418 Riverside Van Deventer Flats Santa Rosa Mts., Van Deventer's Ranch 1493 Comment
  RSA0120097  Eriastrum eremicum subsp. eremicum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10506 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains. Comment
  UC1094400  Eriastrum eremicum subsp. eremicum John Ingram 1955-4-18 214 Riverside Along US Highway 99, 1/4 mi W of the junction with the road to Twenty-nine Palms. Comment
  UCD118278  Eriastrum eremicum subsp. eremicum Robert F. Thorne; C. W. Tilforth 1980-5-28 54248 Riverside Along Whitewater River, about 3.2 miles N of Whitewater Post Office and Highway 10. Comment
  RSA0120094  Eriastrum eremicum subsp. eremicum Ernest Braunton 1940-3-4 2027 Riverside 5 mi. East of Shaver's Well. Comment
  UC1951167  Eriastrum sapphirinum Scott D. White, Justin Wood 2009-5-22 12932 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  UC23880  Eriastrum sapphirinum Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UC907918  Eriastrum sapphirinum Carl V. Meyer June 1927 152 Riverside hills near Temecula Comment
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Sep 30 2009
  UCR106344  Eriastrum sapphirinum John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA0121579  Eriastrum sapphirinum subsp. dasyanthum P. A. Munz 1923-6-14 7103 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  SEINET10424706 Image available Eriastrum sapphirinum subsp. dasyanthum Norman C. Cooper 1944-5-20 1297 Riverside Banning. 701 Comment
  UCSB14678  Eriastrum sapphirinum subsp. sapphirinum Breedlove, Dennis 1961-8-5 Riverside Along State Highway 74, 5 miles east of Keen Camp, Hemet Valley, San Jacinto Mountains 1341 Comment
  CAS-BOT-BC515043  Eriastrum sapphirinum subsp. sapphirinum Winifern W. Swarth 1914-9-17 s.n. Riverside San Jacinto Mts., Strawberry Valley 1828 Comment
  POM40988  Ericameria brachylepis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  UC1861747  Ericameria brachylepis Scott D. White 2004-10-8 10774 Riverside Peninsular Ranges: Black Hills southeast of Lake Skinner and north of Oak Mountain. 609 Comment
  UC63164  Ericameria cuneata var. cuneata H. M. Hall Jun 1 1901-Jul 1 1901 2327 Riverside near Tauquitz; San Jacinto Mountains 2133 Comment
  CAS-BOT-BC287641  Ericameria linearifolia Frank W. Peirson 1921-3-21 2380 Riverside Gordon Trail, E slope San Jacinto Mts 914 Comment
  UC894819  Ericameria nauseosa var. bernardina E. C. Jaeger 1922-8-25 1009 Riverside San Jacinto Mts., Long Valley 2529 Comment
  CAS-BOT-BC298121  Ericameria nauseosa var. oreophila Philip A. Munz 1946-10-19 11572 Riverside Canyon at junction of Highway 74 and road to Old Santa Rosa Indian Village 1219 Comment
  UCR113191  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  JOTR33713  Ericameria paniculata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1002 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  JOTR36388  Ericameria teretifolia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3341 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  JOTR33672  Erigeron breweri var. covillei La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2662 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  RSA740640  Erigeron breweri var. covillei Scott D. White, Justin M. Wood 2008-6-17 12176 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  SEINET225401  Erigeron foliosus var. foliosus Malcolm McLeod, David Keil 1977-3-26 K 12016 Riverside 9 mi E of jctn. With I-15 along Calif. 79. 518 Comment
  RSA737429  Eriochloa contracta Justin M. Wood 2008-8-31 127 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  CAS-BOT-BC189088  Eriodictyon crassifolium R. Bacigalupi May ? s.n. Riverside Eagle Canon [Canyon], Colorado Desert Comment
  SD227835  Eriodictyon crassifolium A. C. Sanders, John Green 1999-5-31 22797 Riverside Box Springs Mtns: upper Two Trees Canyon, E of Belvedere Heights (Riverside East 7.5' Q) 609 Comment
  UCR41221  Eriodictyon crassifolium var. crassifolium N. M. Fellows 1984-3-20 10 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  CAS-BOT-BC189163  Eriodictyon crassifolium var. nigrescens Scott D. White 1996-4-14 3903 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Highway 74, ca. 1.7 mile W of USFS Cranston Fire Station 548 Comment
  RSA0098333  Eriodictyon trichocalyx Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet, Stephen Meyers 2015-4-10 18309 Riverside South side of the San Gorgonio River, 2 km north of Banning, south base of the San Bernardino Mountains, 52 km east of Riverside. 788 Comment
  RSA455092  Eriodictyon trichocalyx H. de Forest, Jack Rempel 1934-4-14 14 Riverside San Gorgonio Pass. 602 Comment
  SEINET10445992 Image available Eriodictyon trichocalyx Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet and Stephan Myers 2015-4-10 18309 Riverside south side of the San Gorgonio River, 2km north of Banning, south base of the San Bernardino Mountains, 52km east of Riverside 788 Comment
  CAS-BOT-BC248619  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  SD1298  Eriogonum apiculatum Florence Youngberg 1933-8-26 Riverside Idyllwild, San Jacinto Mts. Comment
  SD67905  Eriogonum apiculatum Reid Moran 1968-8-3 15355 Riverside at roadside, ridge 1 mile NW of Toro Peak 2250 Comment
  UCR24892  Eriogonum apiculatum A. C. Sanders 1980-7-18 1640 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  CLARK-A1528-3634  Eriogonum davidsonii Robin L. Kobaly 1977-8-26 Riverside San Jacinto Mountains Comment
  JOTR32452  Eriogonum davidsonii Herskovits, Tasya 2011-9-28 2 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Keys View; Burn area on gentle rocky slopes 1582 Comment
  JOTR36397  Eriogonum davidsonii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3348 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  POM306135  Eriogonum davidsonii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1326 Riverside Santa Rosa Mountains. Comment
  RSA766423  Eriogonum davidsonii Ralph Hoffmann 1929-9-7 1000 Riverside Mount San Jacinto. 1829 Comment
  UCR122586  Eriogonum davidsonii George K. Helmkamp 1995-11-16 100 Riverside San Jacinto Mtns, Along Calif. Hwy 243, 0.25-0.50 mi south of Bay Tree Spring (about 0.9 mi north of Lake Fulmor) 1616 Comment
  UCR101592  Eriogonum deflexum 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
  CAS-BOT-BC256125  Eriogonum deflexum var. deflexum Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13258 Riverside U.S. gypsum mine property in Little Maria Mts., 2.3 mi. above Midland P.O. Comment
  JEPS35729  Eriogonum deflexum var. deflexum Frank W. Peirson 1928-11-30 Riverside foot of canyon below Shavers Well 0 Comment
  UCR178538  Eriogonum fasciculatum R. G. Swinney 1967-5-26 135 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  RSA34505  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-7-15 1572 Riverside Banning. 701 Comment
  UC1032054  Eriogonum fasciculatum var. foliolosum A. Lewis May 1934 435 Riverside Los Pinos Peak Cleveland National Forest, Elsinore Quadrangle, Los Pinos Pe Comment
  UCR268314  Eriogonum fasciculatum var. foliolosum Jim Andre 2012-6-15 30493 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  LA206795  Eriogonum fasciculatum var. polifolium Norman C. Cooper; 1944-4-8 1080 Riverside Andreas Canyon 304 Comment
  RSA587145  Eriogonum fasciculatum var. polifolium D. L. Banks, S. D. Boyd 1995-6-2 556 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail just N of the Riverside County boundary, W of the peak ''3790'' on boundary of S32 and S33. 1042 Comment
  RSA766105  Eriogonum fasciculatum var. polifolium Marjorie D. Clary 1932-5-3 1025 Riverside Devil's Canyon, west side Coachella Valley. Comment
  CAS-BOT-BC253489  Eriogonum gracile Peter H. Raven; Sidney R. Snow 1956-6-30 9544 Riverside Deserty flats 1.7 miles west of Dripping Springs guard statoin on road to Temecula Comment
  CAS-BOT-BC253492  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2850 Riverside Along California Highway 74, at Strawberry Creek about 5.5 miles west of the junction with Highway 243 914 Comment
  UCR193976  Eriogonum gracile A. C. Sanders 2008-7-25 35911 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCR274554  Eriogonum gracile Mitch Provance, Ken Halama 2003-6-15 17048 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA736551  Eriogonum gracile var. gracile Scott D. White, Angelia Carey 2004-7-2 10582 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR21845  Eriogonum gracile var. gracile Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR93815  Eriogonum gracile var. gracile P. J. MacKay 1996-6-15 011 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  UCR99565  Eriogonum inflatum B. G. Pitzer 1996-11-9 2928 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  UC667267  Eriogonum maculatum Annie M. Alexander and Louise Kellogg 1941-5-15 2177 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  SBBG64071  Eriogonum molestum R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  CLARK-A1528-3677  Eriogonum nudum subsp. pauciflorum John C. Roos 1943-10-16 2740 Riverside Little San Bernardino Mountains Comment
  CAS-BOT-BC269777  Eriogonum nudum var. pauciflorum D. E. Breedlove 1961-8-4 937 Riverside Black Mtn Campground; NW side of Black Mtn, San Jacinto Mtns 2286 Comment
  RSA126710  Eriogonum parishii Peter H. Raven, R. Snow 1957-7-26 s.n. Riverside 0.8 mile below junction to Dark Canyon Camp. Comment
  RSA0080082  Eriogonum parishii Robin L. Kobaly 1977-8-26 s.n. Riverside Along Hwy. 243, east of Lawler Lodge (Lawler County Park). San Jacinto Mtns. Comment
  JOTR16817  Eriogonum plumatella Hogan, J. 1974-6-27 75 Riverside Joshua Tree National Park. ABOUT 0.75 MILES EAST OF EUREKA PEAK 1584 Comment
  RSA698443  Eriogonum plumatella J. R. Bruff 1929-11-29 432 Riverside Split Rock.- Colo Desert. Comment
  JOTR29564  Eriogonum pusillum Andre, Jim, Tasha LaDoux 2006-4-11 6738 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  CAS-BOT-BC263504  Eriogonum thomasii J. Wear; N. Moorhatch 1993-6-11 s.n. Riverside Mecca Hills 60 Comment
  CAS-BOT-BC263517  Eriogonum thomasii H. M. Hall 1905-4-1 5812 Riverside 10 miles west of Coachella 152 Comment
  CAS-BOT-BC263547  Eriogonum thomasii John Thomas Howell 1931-6-5 6653 Riverside 1 mile east of Whitewater Comment
  RSA264057  Eriogonum thomasii Noel Holmgren, Patricia K. Holmgren 1974-3-23 7468 Riverside Box Canyon Wash, 11.4 (9 aitrlines) miles east-northeast of Mecca. 244 Comment
  CAS-BOT-BC262876  Eriogonum thurberi John Thomas Howell 1931-6-4 6646 Riverside San Gorgonio Pass Comment
  POM158196  Eriogonum thurberi P. A. Munz, I. M. Johnston 1928-9-6 11278 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
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Dec 29 2009
  RSA525239  Eriogonum thurberi Steve Boyd, Tim S. Ross 1990-5-11 4616 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA708566  Eriogonum thurberi Scott D. White, Jennifer H. Jones 2005-5-24 11100 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  CAS-BOT-BC264927  Eriogonum wrightii var. membranaceum Philip A. Munz 1946-10-19 11565 Riverside Coahuila 1097 Comment
  LA207116  Eriogonum wrightii var. membranaceum Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley Comment
  SBBG1672  Eriogonum wrightii var. membranaceum H. and M. Dearing 1936-12-26 142 Riverside Palms to Pines Hwy 1066 Comment
  CHSC60219  Erioneuron pulchellum J. Lund 1980-4-2 Riverside Found 4.0 miles east of Meca on south side of road in a wash. 45 Comment
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May 29 2011
  RSA264066  Eriophyllum ambiguum var. paleaceum Noel Holmgren, Patricia K. Holmgren 1975-5-11 7980 Riverside Kingston Range, 15 miles aboe Horse Thief Springs, 19 airline miles ESE of Tecopa. 1524 Comment
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Aug 25 2013
  RSA585179  Eriophyllum confertiflorum D. Atwood 1993-3-26 17661 Riverside 1.5 mi. S. of Lake Elsinore, along Hwy 74. 671 Comment
  RSA6121  Eriophyllum confertiflorum C. B. Wolf 1932-5-25 3691 Riverside 1/4 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 671 Comment
  SDSU20271  Eriophyllum confertiflorum Adrienne D. Russell, Tahirch Linz & Matt Guilliams 2000-4-29 123 Riverside Santa Margarita Ecological Reserve, Temecula, insect trail, mapping project for plant taxonomy class. Comment
  UCR240656  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 45 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  UCR98208  Eriophyllum confertiflorum B. G. Pitzer 1997-4-1 3051 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 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
  RSA171396  Eriophyllum wallacei J. D. Olmsted 1962-5-3 3485 Riverside Along road on N side of Hemet Lake 1280 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
  RSA651111  Eriophyllum wallacei Marion P. Harthill 1971-3-19 32 Riverside Palm Desert. Comment
  UCSB18835  Eriophyllum wallacei Schevill, Peggy 1963-5-5 Riverside Pinyon Flats Campground, State Highway 74 1219 Comment
  UCSB25176  Eriophyllum wallacei Wilken, Dieter 1967-6-19 Riverside Riverside County Rd. 1 about 1 miles south of Idyllwild in the San Jacinto Mtns. 1615 Comment
  RSA645532  Erodium botrys Scott D. White 1993-3-12 1138 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  UCR84584  Erodium botrys Scott D. White, S. Ogg 1994-4-21 2009 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA576088  Erodium brachycarpum Christopher Davidson 1919-4-6 s.n. Riverside Gavilan Hills region, Estelle Mtn, near Summit. 823 Comment
  SDSU13351  Erodium cicutarium Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 33 Riverside Santa Margarita Ecological Reserve (SDSU). On the north side of the Santa Margarita river, near the pipe line crossing. 239 Comment
  RSA652317  Erodium cicutarium G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  RSA741424  Erodium moschatum Justin M. Wood 2008-12-2 262 Riverside SW Perris Basin: City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  CLARK-A1528-2960  Erodium obtusiplicatum John C. Roos 1966-3-22 Riverside Edgemont Comment
  RSA678224  Erodium texanum Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1093 Riverside Mouth of West Wide Canyon, west side of Channel Run. 442 Comment
  RSA396463  Erysimum capitatum W. Wisura 1987-5-21 4160 Riverside 8.2 miles from Hwy 74, going S on forestry rd. 5S15; just S of summit of Thomas Mtn. Comment
  POM17831  Erysimum capitatum var. capitatum P. A. Munz, D. D. Keck 1923-6-14 7067 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  CAS-BOT-BC9462  Erythranthe diffusa Philip Alexander Munz 1922-4-30 5135 Riverside Hills south of Tucalota Creek, on road from Aguanga to Hemet Comment
  RSA0020087  Erythranthe floribunda Scott D. White, Julie Greene 1998-8-1 6961 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  SDSU10779  Erythranthe guttata M. De Lisle 1962-7-28 18 Riverside Black Mtn. camp grounds. Montane Forest. 2347 Comment
  RSA0014877  Erythranthe primuloides P. A. Munz 1922-7-6 5983 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  RSA0022972  Eschscholzia androuxii A. M. Alexander, Louise Kellogg 1941-5-14 2169 Riverside 5 miles S of Cottonwood Spring, Eagle Mtns Comment
  CAS-BOT-BC403359  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon: Stable alluvial benches of Indian Wash just south of Interstate 15 Comment
  CAS-BOT-BC403364  Eschscholzia californica S. B. Parish 1894-6-14 3140 Riverside Banning, San Bernardino Mountains, and their eastern base 914 Comment
  RSA585879  Eschscholzia californica D. L. Banks, Peter Morrell 1995-5-4 313 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  UC56235  Eschscholzia californica H. M. Hall Apr. 1903 3826 Riverside Vicinity of Riverside 365 Comment
  UC64137  Eschscholzia californica H. M. Hall June, 1901 2063 Riverside vicinity of Chalk Hill San Jacinto Mountains 1371 Comment
  CLARK-A1528-685  Eschscholzia minutiflora Fred B. Essig 1967-3-23 Riverside San Jacinto Mountains 914 Comment
  JEPS51706  Eschscholzia minutiflora L. M. Newlon 1922-4-4 450 Riverside Palm Canyon Comment
  POM307165  Eschscholzia minutiflora Henry J. Ramsey, Henry J. Ramsey 1940-4-14 2005 Riverside 50 miles N of Blythe Comment
  UCD80948  Eschscholzia minutiflora Chuck Hughes 2009-3-24 67 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 268 Comment
  RSA0125281  Eschscholzia papastillii Duncan S. Bell 2016-3-4 8786 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA0023208  Eschscholzia papastillii Curtis Clark 1976-5-8 542 Riverside Sheephole Mtns, 21.9 miles S of Amboy on road to Twentynine Palms. 640 Comment
  CAS-BOT-BC419608  Eschscholzia parishii L. A. Greata 1905-4-1 424 Riverside Coachella Comment
  CAS-BOT-BC419637  Eschscholzia parishii D. E. Breedlove 1962-3-11 1883 Riverside Pocket of Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
  JEPS24433  Eschscholzia parishii Peter M. Ray 1949-3-12 1362 a Riverside 2 mi w Whitewater (n side of Valley); Coachella Valley 457 Comment
  UCR51967  Eschscholzia parishii Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2176 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCR60442  Eschscholzia parishii R. F. Thorne 1973-3-30 42661 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  RSA776842  Eschscholzia parishii Amber Swanson, Duncan S. Bell 2011-3-18 227 Riverside Above wash about 3 airmiles SE of Desert Center Nof the Chuckwalla Mtns 384 Comment
  CAS-BOT-BC516700  Eucalyptus camaldulensis A. C. Sanders; Timothy W. Chumley 2013-3-29 40711 Riverside Peninsular Range; Elsinore Area: Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km S of jct with Temescal Canyon Rd 378 Comment
  UC1608073  Eucalyptus camaldulensis D. Goodward April 1987 30 Riverside Eucalyptus irrigation plot U.C. Riverside Moreno Valley Field Station (s. of Alessandro Blvd. near Nason St., Tree R45T6); Moreno Valley, U.C. Riverside Moreno Valley Field Station 457 Comment
  RSA0012586  Eucalyptus citriodora A. C. Sanders 1998-6-12 21981 Riverside UCR campus, in gravel among trailers in ''surge area'' (UCR trailer park) on east side of campus 335 Comment
  RSA508355  Eucrypta chrysanthemifolia Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  UCD119342  Eucrypta chrysanthemifolia Steve Boyd 1986-3-1 1363 Riverside Gavilan Plateau, Gavilan Hills: On recent burn, 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR279411  Eucrypta micrantha A. C. Sanders, Jim Malusa 2017-3-25 42999 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  VVC2056  Euphorbia abramsiana Tim Thomas, Alice Karl 2011-10-18 5526 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  UCR172190  Euphorbia albomarginata 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
  UCR265821  Euphorbia albomarginata Mitch Provance 2012-5-24 512- 02 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA0040031  Euphorbia albomarginata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  UCR14422  Euphorbia ocellata subsp. ocellata A. C. Sanders 1974-9-18 0296 Riverside Riverside, Botanic Garden at U.C.R., Australian section near back fence 412 Comment
  RSA713797  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17992 Riverside Coachella Valley: Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr. at Cathedral City limits, 2 mi. E of Date Palm Dr. and 2 mi. S or Ramon Rd. 98 Comment
  RSA697592  Euphorbia palmeri J. R. Bruff 1934-7-5 991 Riverside San Jacinto Mts. 2591 Comment
  UCR129150  Euphorbia polycarpa Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR213926  Euphorbia polycarpa Naomi Fraga, Lisa Rojas 2005-2-10 1377 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR264244  Euphorbia polycarpa A. C. Sanders, Jim Malusa 2015-9-10 41852 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCR57985  Euphorbia polycarpa J. M. Stewart 1989-9-17 600 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  RSA296137  Euphorbia polycarpa var. hirtella B. A. Prigge 1980-8-5 3879 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
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Jan 14 2010
  SD83592  Euphorbia polycarpa var. hirtella R. Mitchel Beauchamp 1970-11-15 1391 Riverside 7 miles east of Mecca in sandy areas 89 Comment
  UCR239870  Euphorbia prostrata O. F. Clarke 2004-5-4 s.n. Riverside Riverside, UCR Campus 335 Comment
  UCR101410  Euphorbia serpillifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22235 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  UCR91001  Euphorbia serpillifolia A. C. Sanders 1994-5-29 14566 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  POM7049  Eustoma exaltatum P. A. Munz, G. Williams 1919-3-25 2314 Riverside Palm Canyon, Palm Springs. 229 Comment
  SEINET955801  Fabaceae F. A. Thackery 1927-1 a- 275 Riverside Banning, heights Comment
  CAS-BOT-BC167368  Fagonia laevis H. M. Hall 1905-4-1 5806 Riverside 10 miles west of Coachella. Colorado Desert 152 Comment
  CAS-BOT-BC171040  Fagonia laevis Martha Hilend 1932-3-25 s.n. Riverside Chuckawalla mts., about 3 miles above Corn Springs, So. Calif. Comment
  CAS-BOT-BC205627  Fagonia laevis James R. Shevock 1986-3-23 11358 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  GMDRC9794  Fagonia laevis J. M. Andre 2017-3-1 37995 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  RSA78454  Fagonia laevis Verne Grant, Alva Grant 1952-4-1 17521 Riverside 9 miles E of Mecca Comment
  UCR72160  Fagonia laevis Theo Glenn 1991-5-7 91- 89 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  UCSB18135  Fagonia laevis del Moral, Roger 1964-4-13 Riverside 1.6 miles south of Highway 60-70, 21 miles east of Indio 518 Comment
  UC108271  Ferocactus cylindraceus T. S. Brandegee April 1894 Riverside Colorado Desert Comment
  UC403448  Ferocactus cylindraceus Munz and Johnston 1992-5-7 5292 Riverside Keyes Ranch Little San Bernardino Mts. Comment
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Sep 4 2010
  UCR201706  Festuca dertonensis Scott D. White, Justin M. Wood 2008-6-19 12257 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR19356  Festuca grayi John C. Roos 1952-4-2 5463 Riverside Riverside, near Box Springs 457 Comment
  UCR214150  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37714 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  UCR157944  Festuca myuros T. B. Salvato, A. C. Sanders 2005-5-17 913 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
  UCR256790  Filago gallica T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7877 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  RSA113276  Forestiera pubescens E. K. Balls 1955-4-1 20412 Riverside Head of Palm Canyon, Hwy 74, from S end of San Jacinto Mts to Palm Springs. 1250 Comment
  SBBG28435  Fouquieria splendens D. Myrick 1964-4-29 840 Riverside 10 mi W of Palm Desert on Pines to Palms Hwy 74 914 Comment
  CAS-BOT-BC454536  Fragaria vesca subsp. californica Tom Paradise 1993-5-22 18 Riverside James San Jacinto Mountains Reserve. 1/2 mile East of Highway 243, near Lake Fulmor Comment
  CLARK-A1656-658  Franseria ilicifolia Milton Walker 1978-1-17 Riverside Chuckwalla Mountains 274 Comment
  SEINET204006  Frasera parryi Victor Duran 1933-7-1 3488 Riverside Near Santa Rosa, Santa Rosa Mountains. 1829 Comment
  UCR137358  Frasera parryi 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
  CAS-BOT-BC211017  Fraxinus velutina A. C. Sanders; J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 915 Comment
  SFV21862  Funastrum cynanchoides var. hartwegii J. R. Pucci 2001-4-7 10 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  RSA550355  Funastrum hirtellum W. Wisura 1992-3-24 4633 Riverside 13.1 mi NE of Mecca on Box Canyon Rd. seed voucher Comment
  SBBG45700  Funastrum hirtellum Leota Davidson 1965-5-13 187 Riverside Joshua Tree Nat Monument Comment
  UCR132341  Galium angustifolium John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA161150  Galium angustifolium subsp. gracillimum Peter H. Raven, David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument Comment
  UCR202588  Galium angustifolium subsp. jacinticum Scott D. White, Justin M. Wood 2008-7-8 12380 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  SEINET3157822  Galium angustifolium var. pinetorum C. Epling, W. Robinson 1935-6-30 sn Riverside Between Pine Flat Camp and Tullers Mill, Mt. San Jacinto Comment
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Sep 23 2013
  RSA561008  Galium aparine Steve D. Boyd, Tim S. Ross 1992-5-4 7202 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR214331  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38370 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UC1324393 Image available Galium californicum subsp. primum Lauramay T. Dempster and C. Hardham 1965-6-18 4133 Riverside on road to Alvin Meadow (from Idyllwild); ; Riverside Co. Comment
  UCR147543  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1279 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  JOTR33950  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2818 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA78314  Galium parishii Philip A. Munz, E. K. Balls 1952-8-21 17974 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  UCR274316  Galium porrigens Jennifer H. Jones, Scott D. White 2005-5-25 94 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  POM367815  Galium stellatum Christopher Davidson 1979-4-4 7718 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA0099592  Garrya flavescens Duncan S. Bell 2014-11-14 7706 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  UCR91603  Garrya veatchii D. L. Banks, Steve Boyd 1995-1-18 0042 Riverside Cleveland National Forest, Agua Tibia Wilderness, N slope of Agua Tibia Mtn., west of Wild Horse Peak, along the Dripping Springs Trail 963 Comment
  CAS-BOT-BC303583  Geraea canescens Mrs. J. C. Augsburg 1926-1-26 s.n. Riverside Palm Springs Comment
  POM30737  Geraea canescens Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  SBBG34736  Geraea canescens T. L. Secrest 1950-3-13 Riverside near Indio Comment
  RSA0127783  Geraea canescens G. Rink 2013-3-17 11863 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  POM48129  Geranium richardsonii Mary F. Spencer 1919-6-26 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR178830  Gilia Jeffrey Ross 1998-5-7 MOR- 079 Riverside San Bernardino Mtns., Morongo Indian Reservation, Wood Canyon, just below tree stand W-05 1159 Comment
  SEINET7048008  Gilia angelensis Steven R. Hill, Kate Kramer 2001-4-27 33475 Riverside Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Route I-10, Apache Trail Exit, 4 miles east of Banning. Elevation about 1837 feet. Comment
  UCR22023  Gilia australis Steve Boyd 1980-5-15 278 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  POM13004  Gilia capitata subsp. abrotanifolia P. A. Munz, I. M. Johnston 1922-5-19 5434 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  SBBG101800  Gilia capitata subsp. abrotanifolia S. Boyd with T. Ross, M. Hammitt 1991-5-2 6049 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
  RSA0016290  Gilia diegensis Scott D. White, Justin M. Wood 2008-5-15 11979 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA783529  Gilia latiflora J. D. Olmsted 1958-6-15 175 Riverside Idyllwild School of Music and Arts, south of Idyllwild. In dry grassland near Strawberry Creek. 1524 Comment
  UCR165818  Gilia latifolia John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  SEINET7048157  Gilia ochroleuca subsp. exilis Steven R. Hill 2001-5-3 33658 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
  HSC87253  Gilia scopulorum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2186 Riverside NW end McCoy Mtns., NW of Blackjack Mine 400 Comment
  UCR23211  Gilia sinuata J. C. Lyman 1981-5-24 s.n. Riverside San Jacinto Mtns., May Valley Rd. Idyllwild. 1768 Comment
  UCR178146  Gilia splendens T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 138 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR179203  Gilia splendens Tracy Tennant, J. Ross, G. White 1998-5-21 MOR- 247 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  SBBG87691  Gilia stellata S. Boyd with S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2111 Riverside N end of Palen Mtns, 2 mi W of Palen Pass, mid-bajada 300 Comment
  UC1123762  Gilia stellata H. S. Yates 1937-3-24 6464 Riverside near head of Deep Canyon; Thermal Quadrangle, nr head Deep Canyon Comment
  UCR1363  Gilia stellata Frank C. Vasek 1960-3-17 600317- 07 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  RSA660537  Gnaphalium californicum Orlando Mistretta 1992-6-10 518 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  UCR121649  Gnaphalium californicum A. C. Sanders, Kent Beaman 2002-5-10 25045 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  UCR225728  Gnaphalium californicum A. C. Sanders, T. B. Salvato 2011-3-30 38899 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  RSA596162  Gnaphalium canescens subsp. microcephalum D. L. Banks 1996-11-7 1215 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
  RSA519247  Gnaphalium chilense Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  RSA0105840  Gnaphalium luteoalbum Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  RSA614137  Gnaphalium luteoalbum D. L. Banks 1997-2-23 1304 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR133325  Gnaphalium luteoalbum John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  CAS-BOT-BC307397  Gnaphalium palustre F. W. Peirson 1930-5-10 8769 Riverside Hemet Plateau, near March Field road from Riverside to Perris 457 Comment
  UCR111964  Gnaphalium palustre A. C. Sanders, T. B. Salvato 2000-5-25 23420 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR202597  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-7-9 12432 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  UCR266493  Gnaphalium palustre Mitch Provance, Matt Amalong 2015-4-6 415- 19 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  UCR34922  Gnaphalium stramineum L. B. Ziegler 1967-8-2 203 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  RSA0004481  Godetia quadrivulnera var. rubrissima H. M. Hall 1905-06 6240 Riverside East base Box Springs Mt. 610 Comment
  JOTR30314  Guillenia lasiophylla La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1747 Riverside Joshua Tree National Park. Stop # 3 Northwest end of Eagle Mountains, near road leading to Cottonwood Canyon. 898 Comment
  RSA496370  Guillenia lasiophylla Steve Boyd, L. Arnseth, Timothy S. Ross 1989-3-19 3044 Riverside Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain. 621 Comment
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Sep 19 2010
  UCSB45957  Gutierrezia californica Roos, John 1965-6-21 Riverside The hills 2 miles south of Beaumont Comment
  UCR181152  Gutierrezia sarothrae R. E. Riefner Jr. 2006-3-4 06- 47 Riverside Peninsular Range; San Jacinto Mtns, near Anza, c. 1.5 mi. west from Pine Meadow on Hwy 74 and 1.5 mi. NW from Hamilton Creek 1320 Comment
  UCR163886  Haplopappus acradenius B. G. Pitzer 2001-11-4 4351 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  RSA0066610  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3920 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA0066625  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  SD152935  Hazardia squarrosa var. grindelioides Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7667 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trails north to Potrero de la Cienaga 395 Comment
  UCR116592  Hedypnois cretica A. C. Sanders, T. B. Salvato 2001-5-24 24367 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UC489276  Helenium bigelovii C. V. Meyer 1928-7-26 531 Riverside w slope San Jacinto Mt. 2438 Comment
  RSA220962  Helianthemum scoparium var. aldersonii E. W. Lathrop 1966-5-29 6380 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UCD132795  Helianthus annuus K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  RSA0012941  Helianthus californicus Scott D. White 2003-10-9 9816 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  CAS-BOT-BC305706  Helianthus gracilentus Peter H. Raven; Sidney R. Snow 1956-6-30 9525 Riverside 2.5 miles from Alberhill on road to Elsinore Comment
  POM360037  Helianthus gracilentus Christopher Davidson 1975-6-16 2802 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  UCR100291  Helianthus gracilentus B. G. Pitzer 1997-4-20 3177 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR133359  Helianthus gracilentus Tracy Tennant, J. S. Ross 1998-4-30 MOR- 63 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UC666387  Heliotropium convolvulaceum var. californicum Annie M. Alexander and Louise Kellogg 1941-5-28 2259 Riverside 6 mi. e. Blythe; Colorado Desert 121 Comment
  UC1063894  Heliotropium curassavicum A. Lewis May 1934 464 Riverside Temecula R. Elsinore Quad., Temecula R. 365 Comment
  RSA486461  Heliotropium curassavicum var. oculatum Richard Noyes, L. Arnseth 1988-10-30 755 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA180444  Hemizonia fasciculata E. W. Lathrop 1960-6-8 4927 Riverside 14 miles west of Murrieta Comment
  RSA653072  Hemizonia fasciculata A. C. Sanders 1997-5-1 20625 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  RSA674623  Hemizonia fasciculata Scott D. White 2000-5-30 7972 Riverside Corona Foothills: ca. 1 mi SE of the I-15/El Centro Rd jtn. Adv to new housing construction. 335 Comment
  UCR114618  Hemizonia fasciculata Mitch Provance 1997-5-20 1096 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  UCR176181  Hemizonia kelloggii Amber Bruno 2005-6-7 53 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  RSA678266  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1067 -b Riverside McCall Memorial Park Campground. 1311 Comment
  UCR82772  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15774 Riverside San Jacinto Mountains, N slope of the mountains; Azalea Creek c. 0.5 mi. SW of the Twin Pines Ranch buildings, at road crossing just outside the ranch fence 1067 Comment
  UCR128250  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR110917  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22816 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR68063  Hemizonia pungens subsp. laevis D. E. Bramlet, A. Parikh 1990-6-13 2023 Riverside San Jacinto Valley, fallow field just south of Simpson Rd., c. 440 m. west of intersection with Warren Rd. 500 Comment
  UCR161460  Hemizonia pungens subsp. pungens Nathan Moorhatch 2005-9-23 s.n. Riverside Perris-Aguanga Basin, SW side of March ARB, north side of Nandina Avenue, west of Patterson Avenue 457 Comment
  UCR97451  Hesperocnide tenella A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19767 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
  RSA388318  Hesperolinon micranthum Steve Boyd 1986-5-7 1849 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  UCR174442  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 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
  RSA0119983  Hesperoyucca whipplei Duncan S. Bell, Thomas Stoughton 2016-4-13 9269 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR24903  Heterocodon rariflorum A. C. Sanders 1980-7-22 1735 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  RSA339244  Heterotheca horrida subsp. cinerascens R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53595 Riverside Joshua Tree National Monument: Hidden Valley. 1280 Comment
  JOTR29275  Heterotheca villosa var. scabra La Doux, Tasha 2005-8-17 1545 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland Wash; north of Wall Street Mill parking area 1316 Comment
  CAS-BOT-BC206629  Heuchera hirsutissima H. M. Hall No date on label. s.n. Riverside San Jacinto Mountains 3291 Comment
  IRVC28828  Hibiscus denudatus Mark A. Elvin 2005-4-26 4231 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  POM13900  Hibiscus denudatus P. A. Munz, D. D. Keck 1922-4-9 4832 Riverside South base of Eagle Mountains 213 Comment
  UC472813  Hibiscus denudatus F. G. Woodcock and M. F. Spencer 1922-4-28 412 Riverside Chino Canyon Palm Springs; Colorado Desert, , Palm Springs Comment
  SEINET11993718  Hibiscus denudatus W. Knight, Knight, I. 1983-1 5404 Riverside Eagle Mts 244 Comment
  LA8282  Hilaria rigida Miss C. M. Wilder; May 1910 2915 Riverside near Palm Springs Comment
  UCR213392  Hilaria rigida A. C. Sanders 2010-3-15 37389 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR214699  Hilaria rigida A. C. Sanders 2010-3-23 37544 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  SD232683  Hoffmannseggia glauca A. C. Sanders 1992-4-5 12166 Riverside Colorado Desert: Chuckwalla Valley, Ford Dry Lake, N of I-10 at Ford Dry Lk. Rd., near site of Hopkins Well. 110 Comment
  CAS-BOT-BC207551  Hoffmannseggia microphylla Miss Ferguson 1917-4-5 s.n. Riverside Near Palm Canyon Comment
  CAS-BOT-BC207572  Hoffmannseggia microphylla F. O. Ballou 1926-2-25 s.n. Riverside Painted Canyon [Canon] near Mecca Comment
  JEPS121511  Hoffmannseggia microphylla Adam C. Schneider with Will Freyman 2014-2-16 356 Riverside Bottom of Box Canyon Road Comment
  RSA263699  Hoita macrostachya E. W. Lathrop 1975-3-7 7448 Riverside Mesa de Burro, 3 miles west of Murrieta, Santa Rosa Plateau. De Luz Canyon. 610 Comment
  RSA621501  Hoita macrostachya D. L. Banks 1997-11-15 2200 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  SD152846  Hoita macrostachya Steve Boyd, Timm Ross, Dave Bramlet 1992-9-9 7669 Riverside Southern Santa Ana Mts, San Mateo Canyon Wilderness Area, upper San Mateo Cyn from junction of Tenaja Rd (7S01) & Los Alamos Rd (7S04) at confluence of Los Alamos Creek up the San Mateo Trail N to Potrero de la Cienega, about stream, top of Tenaja Falls 395 Comment
  UCR220341  Hordeum D. E. Bramlet 1991-5-7 2122 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  RSA740790  Hordeum brachyantherum subsp. californicum Scott D. White, Justin M. Wood 2008-7-9 12418 Riverside Johnson Meadow 1415 Comment
  UCR264619  Hordeum depressum Mitch Provance 2011-6-6 17006 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  RSA0085053  Hordeum glaucum Margaret Murphy 1983-4-15 0007 -A Riverside Located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR162953  Hordeum intercedens Fred M. Roberts, D. E. Bramlet 2005-4-1 6141 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR191542  Hordeum intercedens A. C. Sanders 2008-4-15 34889 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  CAS-BOT-BC285112  Hordeum marinum subsp. gussoneanum Philip A. Munz 1941-5-18 16651 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 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
  RSA198983  Hordeum marinum subsp. gussoneanum R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37589 Riverside Below dam at E end of vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  SD146088  Hordeum murinum B. Pitzer, J. Ross 1998-3-8 3597 Riverside Colorado Desert: Hayfield Lake, on the lakebed, southeast of pumping station, near center of lake (Hayfield Spring [UTM 10km cell: 11S PH-2E, 2N. Hayfield Lake]) 395 Comment
  RSA594520  Hordeum murinum subsp. leporinum D. L. Banks, Rashmi Pant 1996-5-13 1025 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station;, (100 m E of where Hwy. 79 leaves the Forest Service Boundary). On the S side of Hwy. 79. T8S R1W; Just N of the NE 1/4, NW 1/4 of sec. 23. 487 Comment
  CAS-BOT-BC148556  Horkelia clevelandii Peter H. Raven; R. Snow 1957-7-26 11106 Riverside Meadow just below Vista Grande Ranger Station, Banning-Idyllwild Road - San Jacinto Mts. Comment
  CAS-BOT-BC148559  Horkelia clevelandii Cecil Hart 1926-7-4 s.n. Riverside San Jacinto Mts. Comment
  CAS-BOT-BC148564  Horkelia clevelandii H. M. Hall 1901-7-1 2291 Riverside Strawberry Valley, San Jacinto Mts. 1615 Comment
  CAS-BOT-BC537305  Horkelia cuneata var. puberula Marian L. Campbell 1921-3-18 79 Riverside near Banning Comment
  JOTR01267  Hulsea vestita subsp. parryi Cole, James E. 1941-5-30 831 A Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1493 Comment
  SBBG119937  Hydrocotyle ranunculoides A. C. Sanders with O. F. Clarke 1991-6-10 11120 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  RSA796456  Hymenoclea salsola Duncan S. Bell 2009-4-18 220 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  POM7691  Hymenoxys odorata P. A. Munz, R. D. Harwood 1920-4-2 3579 Riverside Colorado Desert, near Blythe. 152 Comment
  UC871755  Hypericum anagalloides I. W. Clokey and E. G. Anderson 1935-8-21 6833 Riverside N. Fork San Jacinto R. 1500 Comment
  UCR20699  Hypochaeris glabra A. C. Sanders, Steve Boyd 1980-5-2 1403 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CAS-BOT-BC219731  Hyptis emoryi R. F. Hoover 1966-10-15 10164 Riverside Dead Indian Canyon Comment
  POM13992  Hyptis emoryi P. A. Munz, D. D. Keck 1922-4-9 4889 Riverside Palm Springs. 457 Comment
  RSA420185  Hyptis emoryi Bonnie C. Templeton 1930-3-22 1642 Riverside Palm Springs. 400 Comment
  RSA678349  Hyptis emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10463 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
  UC1595687  Hyptis emoryi W. Wisura, J. Dolan, and C. Demme 1992-4-13 4684 Riverside n base Chuckwalla Mts. (Corn Spring); n base of Chuckwalla Mts., Corn Spring Comment
  UCR74381  Hyptis emoryi Theo Glenn 1991-5-2 91- 21 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  JEPS19096  Isocoma acradenia var. eremophila S. B. Parish 1921-10-12 8350 Riverside Mecca Salton Basin -57 Comment
  SBBG8317  Isocoma acradenia var. eremophila H. and M. Dearing 1936-12-25 2340 Riverside Thousand Palms Cyn Comment
  JEPS41097  Iva axillaris subsp. robustior W. L. Jepson and H. M. Hall 1901-5-27 1475 Riverside Cahuilla Valley w Riverside County, Cahuilla Valley Comment
  RSA0011071  Juglans californica Justin M. Wood 2008-9-19 137 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR213858  Juglans californica Scott D. White, Justin M. Wood 2009-5-22 12927 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  UCR133386  Juncus balticus Tracy Tennant, T. B. Salvato 1998-6-23 495 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  RSA563911  Juncus bufonius A. C. Sanders 1993-4-5 13685 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  UCR117312  Juncus bufonius A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 735 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SD137986  Juncus bufonius var. bufonius Darin L. Banks, Steve Boyd 1995-5-3 214 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA763169  Juncus effusus Scott D. White, Justin M. Wood 2009-5-22 12923 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  RSA697811  Juncus macrophyllus J. Russell Bruff 1934-6-19 541 Riverside Spring ground in Pinon belt. Comment
  POM14184  Juncus mexicanus Phillip A. Munz 1922-5-18 5324 Riverside 3 miles south of Glen Ivy [now Glen Ivy Hot Springs]. Comment
  RSA69634  Juncus mexicanus C. Epling, Joseph A. Ewan 1933-5-12 7603 Riverside South shore Lake Elsinore. Comment
  UC1106411  Juncus mexicanus Peter Kamb 1948-7-4 1164 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA0035989  Juncus phaeocephalus var. paniculatus E. W. Lathrop 1969-5-29 7081 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  POM14114  Juncus saximontanus Phillip A. Munz 1922-6-30 5902 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA14373B  Juncus tiehmii Phillip A. Munz 1922-5-20 5473 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
Read comments
May 29 2011
  RSA450180  Juniperus californica A. R. Roos 1934-1-22 s.n. Riverside Morongo Canyon. Comment
  UCR94059  Juniperus californica Scott D. White, D. Haselfeld 1996-7-2 4263 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  HSC99794  Justicia californica J. J. Wagoner 1965-4-13 33 Riverside E slope of San Jacinto along Palms to Pines Hwy., 2 mi. W of Palm Desert. 76 Comment
  LA202782  Justicia californica D. Birindelli; 1969-3-9 266 Riverside Palm Desert 121 Comment
  LA99446  Justicia californica Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  RSA682846  Justicia californica Scott D. White 2003-3-23 8839 Riverside Hwy 74 near Carrizo Creek crossing. 610 Comment
  JOTR29178  Kallstroemia californica La Doux, Tasha 2003-9-24 1255 Riverside Joshua Tree National Park. Queen Mountain, Trail to Barker Dam (stop 1) 1296 Comment
  CAS-BOT-BC235495  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2000-5-25 23430 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA210978  Keckiella antirrhinoides C. W. Tilforth 1969-7-24 215 Riverside Along Red Mountain ROad, east of County Hiway R-3, south of Hemet. Comment
  RSA714431  Keckiella antirrhinoides A. C. Sanders 2004-5-12 27863 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  RSA79828  Keckiella antirrhinoides F. W. Peirson 1914-04 1105 Riverside Whitewater at head of Coachella Valley. Comment
  UCD123738  Keckiella antirrhinoides K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR114301  Keckiella antirrhinoides var. antirrhinoides Julie A. Greene 1993-4-10 1171 Riverside San Jacinto Wildlife Area 476 Comment
  UCR91427  Keckiella antirrhinoides var. antirrhinoides Scott D. White 1995-3-30 2652 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR182441  Koeleria gerardi Mitch Provance 2001-3-11 4630 Riverside San Bernardino Valley, Sunnyslope, Armstrong Rd. c. 0.5 miles south of the Riverside/San Bernardino Co. line 305 Comment
  UCD85823  Koeleria macrantha Peter Kamb 1948-7-10 1187 Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  RSA0022342  Krameria erecta Robert F. Thorne 1966-10-15 41816 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA0042112  Krameria grayi Duncan S. Bell, LeRoy Gross 2014-3-20 6283 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UC574891  Krameria grayi C. Epling and Wm. Robison 1933-6-26 Riverside basin 5 mi s Lost Horse Wells; basin s Lost Horse Wells Comment
  CLARK-A1528-1976  Lactuca serriola John C. Roos 1965-10-7 Riverside Beaumont Comment
  SD245277  Lactuca serriola Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49541 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  UCR167858  Lactuca serriola T. B. Salvato, Melissa Clemons 2005-6-23 1327 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR26506  Lagophylla ramosissima subsp. ramosissima A. C. Sanders, S. Hagopian 1981-5-20 2147 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR92449  Lamarckia aurea A. C. Sanders, J. Goetzen 1996-5-1 18127 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCR117347  Lamium amplexicaule Mitch Provance 1998-3-21 273 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', mesas below (SW of) the Ormand Quarry. 287 Comment
  CAS-BOT-BC403899  Laportea A. C. Sanders; S. Morgan 1995-11-30 17926 Riverside Riverside: weed in the UCR Botanic Garden. 365 Comment
  RSA567649  Larrea tridentata A. C. Sanders, E. J. Lawlor 1992-4-4 12096 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA594128  Lastarriaea coriacea D. L. Banks, Victor W. Steinmann 1996-4-20 0907 B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along trail to the W, approx. 50 m S of the gate to the Reserve. 451 Comment
  CLARK-A1528-256  Lasthenia chrysostoma C. M. Flanagan 1973-4-14 OO 105 Riverside Sunnymead 579 Comment
  CAS-BOT-BC352720  Lasthenia coronaria Geo. B. Grant 1908-3-15 s.n. Riverside Palms to Pines Road, San Jacinto Mountains 1219 Comment
  CLARK-A1528-7804  Lasthenia coronaria John C. Roos 1938-4-4 1630 Riverside La Sierra Comment
  RSA314645  Lasthenia coronaria R. F. Thorne 1983-4-23 55459 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SD144036  Lasthenia coronaria A. C. Sanders 1997-3-1 19710 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark Varsity) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UC1536903  Lasthenia coronaria G. H. True 1935-3-11 70 Riverside Sycamore Canyon Box springs 365 Comment
  RSA92992  Lasthenia coronaria F. W. Peirson 1919-4-15 1373 Riverside Whitewater Grade east of Banning 610 Comment
  UCR121104  Lasthenia glabrata subsp. coulteri A. C. Sanders, Sue Nash, Tom Paulek, et al 2002-4-7 24903 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, west side of Davis Rd., just north of the old San Jacinto River channel (levee), 2.25 mi. north of Lakeview 434 Comment
  RSA691973  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-2 8909 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  RSA695577  Lasthenia gracilis Keith E. Hoffmaster 1936-4-26 712 Riverside Box Springs grade. Comment
  UCR100043  Lasthenia gracilis Scott D. White 1994-4-23 2051 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
  UC15340  Lathyrus vestitus var. vestitus H. M. Hall Jul 1901 2308 Riverside s side San Jacinto Mountains 1828 Comment
  UC489135  Lathyrus vestitus var. vestitus C. V. Meyer Jun 1927 168 Riverside San Jacinto Mts. 1676 Comment
  CDA6769  Laurentia fluviatilis A. C. Sanders 2004-2-14 27388 Riverside Riverside, 11th St. between Almond and Chestnut Comment
  RSA613326  Layia platyglossa D. L. Banks 1997-3-6 1390 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UC1369839  Layia platyglossa Louis B. Ziegler 1966-6-10 Riverside between Mountain Center and Keen Camp summit; San Jacinto Mountains 1447 Comment
  UC828918  Layia platyglossa I. W. Clokey and B. C. Templeton 1930-4-9 4664 Riverside n Banning 1100 Comment
Read comments
Mar 13 2011
  UCD133983  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR96874  Layia platyglossa Scott D. White 1993-4-30 1309 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  POM157893  Layia platyglossa subsp. campestris P. A. Munz 1927-5-21 10891 Riverside Coahuila Valley 1372 Comment
  POM361707  Layia platyglossa subsp. campestris M. V. Hood 1945-3-25 s.n Riverside Aguanga 610 Comment
  RSA376133  Lemna gibba Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61279 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  POM93707  Lepidium dictyotum Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  RSA799088  Lepidium fremontii Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6885 Riverside South side of Joshua Tree National Park, Cottonwood Spring 884 Comment
  RSA0122715  Lepidium lasiocarpum Duncan S. Bell, LeRoy Gross 2016-3-30 9153 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UCR60439  Lepidium lasiocarpum R. F. Thorne, M. Z. Thorne 1973-3-30 42672 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  CAS-BOT-BC89853  Lepidium nitidum Steve Boyd 1986-4-2 1621 Riverside Gavilan Plateau, Gavilan Hills. Hartford Springs County Park. 640 Comment
  RSA651362  Lepidium nitidum Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 762 Comment
  UC10657  Lepidium nitidum W. H. Brewer Jan 1861 159 Riverside Temescal Range, se from the mines Temescal Range Comment
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Mar 12 2011
  UCR111562  Lepidium nitidum Mitch Provance 1998-5-4 1711 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  UCR199740  Lepidium pinnatifidum Scott D. White, Justin Wood 2008-6-24 12285 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  RSA562147  Lepidium virginicum D. Charlton 1988-5-21 1926 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  UCR251700  Lepidium virginicum var. robinsonii T. B. Salvato, Matthew Malle 2014-4-8 7830 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 0.6 mi north-northeast of intersection of Hwy I-15 and Lake St. 468 Comment
  CAS-BOT-BC329443  Lepidospartum squamatum Carl B. Wolf 1932-10-14 2452 Riverside Whitewater Wash, 0.5 mile above bridge on the Banning to Indio road. 365 Comment
  JEPS2496 Image available Lepidospartum squamatum W. L. Jepson 1914-5-18 6008 Riverside Pinyon Well; ; ; Pinon Well Comment
  RSA544322  Lepidospartum squamatum Steve Boyd 1991-9-8 6430 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  HSC82843  Leptochloa panicea subsp. brachiata A. C. Sanders 1985-8-24 5947 Riverside In the lower Coachella Valley, near Oasis, 0.4 mi. E of Hwy. 195, along the S side of drain flowing towards the Salton Sea. Comment
  JOTR16798  Leptodactylon pungens Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA783048  Leptodactylon pungens Olmsted 1959-7-1 709 Riverside In Granite along trail from saddle to San Jacinto 4 mi. NE of Idyllwild 2591 Comment
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Mar 29 2014
  UC52496  Leptodactylon pungens H. M. Hall 1901-6 2418 Riverside just below Big Wet Seneca Tauquitz Valley; San Jacinto Mountains, Tauquitz Valley below Big Wet Seneca 2621 Comment
  POM46976  Leptosiphon ciliatus Mary F. Spencer 1203 Riverside In open woods. Idyllwild. 1616 Comment
  POM48716  Leptosiphon ciliatus I. M. Johnston 1924-7-29 8844 Riverside 6 miles SE of Poppet Flats, San Jacinto Mountains. 1524 Comment
  POM10432  Leptosiphon floribundus subsp. glaber H. M. Hall 1897-7-30 303 Riverside Taurus Mt. Comment
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Sep 7 2010
  POM364625  Leptosiphon lemmonii N. C. Cooper 1944-5-6 1187 Riverside Banning. 701 Comment
  POM10463  Leptosiphon liniflorus H. M. Hall 1897-04 306 Riverside Menifee Comment
  POM65218  Leptosiphon liniflorus George F. Reinhardt 1897-06 11550 Riverside San Jacinto Mts. Comment
  RSA180503  Leptosiphon liniflorus E. W. Lathrop 1959-5-17 4559 Riverside 10 miles W of Murrieta. Comment
  SD227874  Leptosiphon liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns.: Morongo Indian Reservation, side canyon E of Middle Branch Millard Canyon (Cabazon 7.5' Q) 1280 Comment
  SBBG72428  Lesquerella tenella S. W. Hutchinson -Feb-1927 Riverside Colorado Desert Comment
  UC1287413  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 583 Riverside 4.7 mi e of Anza; Road to Santa Rosa Summit 1371 Comment
  UCR18401  Lessingia glandulifera var. glandulifera A. C. Sanders 1978-9-3 0145 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UC38246  Leymus triticoides H. M. Hall June, 1901 2122 Riverside along borders of Colorado Desert San Jacinto Mountains (e base of mts.) Comment
  RSA357754  Lilaea scilloides Robert F. Thorne 1973-5-23 43841 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA192244  Lilium humboldtii subsp. ocellatum H. A. Zuill 1966-6-27 252 Riverside At Fisherman's Camp in Tenaja Canyon, about 13 miles SW of Murrieta. Comment
  RSA588184  Lilium humboldtii subsp. ocellatum Darin L. Banks, Victor Steinmann 1995-7-10 749 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  UC63838  Lilium parryi H. M. Hall 1898-6-30 963 Riverside San Jacinto Mt. 1828 Comment
  UC1873120  Limonium R. E. Riefner Jr. 06 -398 Riverside Corona-La Sierra area, vicinity of Green River Road and Palisades Drive 15 Comment
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Nov 20 2010
  UCR127856  Limonium ramosissimum R. E. Riefner Jr. 2003-5-27 03- 241 Riverside Elsinore Trough, back basin of Lake Elsinore, Malaga Rd. near Mission Trail, SE of intersection 390 Comment
  POM13146  Limosella aquatica Philip A. Munz, I. M. Johnston 1922-5-19 5430 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA608562  Linanthus R. S. Woglum 1941-6-12 3056 a Riverside Idyllwild. Comment
  RSA784829  Linanthus J. D. Olmsted 1962-6-23 5243 Riverside SE San Bernardino Mtns: At first switchback out of Banning Water Canyon towards Gunsight Pass and Raywood Flat. 1555 Comment
  UCR25549  Linanthus androsaceus John C. Roos 1941-4-19 167 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  JOTR30666  Linanthus aureus subsp. aureus La Doux, Tasha, Jim Andre 2008-3-21 142 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  CAS-BOT-BC225697  Linanthus californicus E. W. Lathrop 1966-3-2 6049 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trail 877 Comment
  UCR1078  Linanthus dianthiflorus Robert A. Hawthorne 1957-3-23 s.n. Riverside Santa Ana Mtns., [road (Guava St.?) to Vail Ranch], 4 mi. southwest of Murrieta 366 Comment
  POM364587  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-3-16 H.- 6998 Riverside South of Cabazon. Comment
  UC219226  Linanthus floribundus subsp. glaber P. A. Munz 1922-4-28 5048 Riverside Leach Canyon Santa Ana Mts. 670 Comment
  RSA369630  Linanthus jonesii R. F. Thorne, M. Z. Thorne 1973-3-30 42680 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA776959  Linanthus jonesii Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 908 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SDSU3164  Linanthus nuttallii subsp. floribundus Stan Mather 1938-5-13 Riverside Lake Elsinore Grade. Comment
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Jul 8 2009
  UCSB24764  Linanthus pungens Tucker, B. 1966-5-8 Riverside Above base of Palm Springs Aerial Tramway near Palm Springs 516 Comment
  POM12935  Linanthus pungens subsp. hallii P. A. Munz 1922-6-27 5874 Riverside Toro Peak. 2287 Comment
  POM49701  Linanthus pungens subsp. hallii H. M. Hall 1901-06 2130 Riverside Santa Rosa Mountain. Coyote Canyon. 1524 Comment
  UCR98084  Linaria canadensis A. C. Sanders, G. Helmkamp 1997-3-15 19942 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  UCR113036  Linaria canadensis var. texana Mitch Provance 1998-3-26 279 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on north side of Granite Hill Dr. 305 Comment
  UCR50042  Linum usitatissimum Lyman Benson 1945-3-29 11619 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, 5 mi. east of Banning [near Cabazon] 610 Comment
  RSA754348  Lithophragma affine E. Crow 1929-3-17 193 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA92551  Lithophragma affine subsp. mixtum J. C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon SE of summit of Reche Canyon. 686 Comment
  UCR238087  Loeflingia squarrosa Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2053 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  JOTR32128  Loeseliastrum schottii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2284 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  RSA0117759  Loeseliastrum schottii Sarah J. J. De Groot 2005-5-16 4966 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  SD241133  Loeseliastrum schottii Dave Silverman, Onkar Singh 2010-3-27 7866 Riverside McCoy Wash, N of Palo Verde Mesa, 5.3 km W of Mesaville siding, W of A Canal/Levee Blvd., and ca. 7 km N of Blythe Airport. 135 Comment
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Apr 24 2017
  UC23827  Loeseliastrum schottii S. B. Parish Apr 4 1896-Apr 13 1896 4127 Riverside Palm Springs (Agua Caliente) desert base San Jacinto Mts., Palm Springs (Agua Caliente) 152 Comment
  UC1595559  Logfia arizonica Steve Boyd and Orlando Mistretta 1991-5-22 6313 Riverside e of Dorland Mtn. (w of Kolb Crk., base of Agua Tibia Mtn.); Vail Lake area, Agua Tibia Mtn. 548 Comment
  UCR88304  Logfia filaginoides A. C. Sanders, Karin Cleary-Rose 1995-4-5 16387 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SEINET10927379  Lolium multiflorum Walter Graves 2002-5-15 Graves 502 -27 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields Riverside East 7.5' Q. cv. "Gulf". 305 Comment
  RSA192223  Lolium perenne subsp. multiflorum E. W. Lathrop 1966-5-11 6291 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  UCR160934  Lomatium A. C. Sanders 1994-5-30 14598 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR158502  Lomatium lucidum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30023 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
  UCR4539  Lomatium lucidum John Dean 1965-5-26 s.n. Riverside Peninsular Range, Vail Ranch, l mi SE of Santa Margarita River on Calif. Hwy 71 306 Comment
  JEPS12323  Lomatium mohavense Marjorie D. Clary 1932-5-12 1643 Riverside Colorado Desert, Lost Horse Canyon 1371 Comment
  UCR201460  Lonicera subspicata Scott D. White, Justin M. Wood 2008-7-10 12448 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  POM307268  Lonicera subspicata var. denudata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2118 Riverside Santa Rosa Mountains. Comment
  SBBG69588  Lonicera subspicata var. denudata V. Duran 1933-7-3 3496 Riverside Vandeventer Flat 1524 Comment
  SEINET10450468  Lotus argophyllus var. ornithopus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20758 Riverside Along hwy 74 w of the jct rd to idyllwild, 11 mi w, at the lower edge of the coulter pines and near the chaparral. Decomp. Granite. Comment
  POM46818  Lotus hamatus Mary F. Spencer 1920-3-19 1642 Riverside In desert sand near mouth of Tahquitz Canyon, Colorado Desert Comment
  UC1506116  Lotus hamatus R. T. and E. R. Clausen 1963-4-27 63077 Riverside se of Winchester; Transverse Ranges 505 Comment
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Mar 20 2011
  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
  UCR174614  Lotus heermannii Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 347 Riverside Peninsular Ranges; San Jacinto Mtns., Turnout south of Mt. Edna Road along Calif. Hwy 243 1143 Comment
  UCR102883  Lotus humistratus A. C. Sanders 1997-3-26 20125 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA406201  Lotus nevadensis var. nevadensis M. B. Dunkle 1933-7-19 3670 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  UCR159258  Lotus purshianus A. C. Sanders, Kelly Volansky 2005-8-31 31572 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
  UCR89768  Lotus purshianus Scott D. White 1993-5-27 1425 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  SEINET3558565 Image available Lotus rigidus Lewis S. Rose 1938-12-22 38336 Riverside 15 miles southwest of Cathedral City Palms to Pines Highway, San Jacinto Mountains. 671 Comment
  RSA406831  Lotus salsuginosus var. brevivexillus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UCR102760  Lotus scoparius B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3583 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  RSA6082  Lotus scoparius var. brevialatus C. B. Wolf 1932-5-25 3665 Riverside Snow Creek, No. Base San Jacinto Mountains. Just above the Fish Hatchery 671 Comment
  UCR225216  Lotus scoparius var. brevialatus T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5161 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  SEINET2062430 Image available Lotus strigosus G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2718 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. Comment
  UC80674  Lotus strigosus T. S. Brandegee 1902-5-14 Riverside Whitewater Comment
  UCR153672  Lotus strigosus Scott D. White 1999-5-24 7395 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR177995  Lotus strigosus 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
  UCR166547  Lotus strigosus var. tomentellus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10888 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  POM24281  Lotus tomentellus Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  POM259965  Lotus tomentellus P. A. Munz 1940-3-23 15722 Riverside north end of Pinto Basin 610 Comment
  POM11523  Lotus unifoliolatus P. A. Munz 1922-7-4 5968 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  SEINET9332282  Lotus unifoliolatus var. unifoliolatus Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  RSA0049854  Lupinus arizonicus Jim Andre 2014-1-27 26668 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  SD187405  Lupinus arizonicus Naomi Fraga, Lisa Rojas 2005-2-10 1371 Riverside Colorado Desert: Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177 365 Comment
  UCR41216  Lupinus bicolor N. M. Fellows, A. C. Sanders 1985-4-9 135 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
  RSA314671  Lupinus bicolor subsp. marginatus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55496 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  POM350062  Lupinus bicolor subsp. microphyllus N. C. Cooper 1944-4-21 1126 Riverside Banning. 701 Comment
  RSA180235  Lupinus bicolor subsp. tridentatus E. W. Lathrop 1965-5-30 5597 Riverside 14 miles W of Murrieta, Riverside County Comment
  SEINET7062851 Image available Lupinus concinnus A. G. Vestal 1947-3-30 s.n. Riverside A sandy wash bottom at Blackburn Canyon in San Jacinto Valley on Route 74. UTM Zone 11, 511984mE, 3734322mN. (WGS84/NAD83). 546 Comment
  UCR122525  Lupinus concinnus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6671 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  POM159827  Lupinus concinnus subsp. optatus E. C. Jaeger s.n. Riverside Santa Rosa Indian Reservation Comment
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Nov 6 2011
  RSA297751  Lupinus concinnus subsp. optatus Barbara Ertter, J. Strachan 1979-6-26 2982 Riverside Hwy 243 near Idyllwild, San Jacinto Mtns Comment
  RSA630297  Lupinus concinnus subsp. optatus R. S. Woglum 1941-6-12 3057 a Riverside Idyllwild. Comment
  RSA395898  Lupinus densiflorus var. lacteus Steve D. Boyd 1986-4-22 1763 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  CAS-BOT-BC216701  Lupinus excubitus var. excubitus I. M. Johnston 1918-4-27 1869 Riverside Near Elsinore 396 Comment
  JOTR33774  Lupinus excubitus var. excubitus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2927 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (stop 2) Comment
  JOTR01084  Lupinus excubitus var. hallii Cole, James E. 1941-5-19 720 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  UC73151  Lupinus formosus Dr. R. J. Smith May 1904 Riverside near Beaumont; near Beaumont 609 Comment
  RSA413693  Lupinus hirsutissimus N. C. Cooper 1944-4-22 1114 Riverside Banning. 701 Comment
  UCR3349  Lupinus hirsutissimus T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mountains, North Mountain [=Mt. Edna?] c. 5.5 mi south on Old Banning-Idyllwild Rd. 988 Comment
  RSA503807  Lupinus hyacinthinus N. C. Cooper 1944-7-16 1611 Riverside San Jacinto Mts, above Pine Cove. 1982 Comment
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Oct 24 2008
  SEINET10903865  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2739 Riverside San jacinto mts., Peak. S slope 200 ft from top. Comment
  RSA413757  Lupinus longifolius M. V. Hood 1945-3-25 s.n. Riverside Aguanga. 610 Comment
  JOTR30920  Lupinus sparsiflorus La Doux, Tasha, Bill Truesdell 2008-4-29 2596 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  JOTR31912  Lupinus sparsiflorus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2158 Riverside Joshua Tree National Park. North Hexie Mountains; about .5mi west of Stirrup Tank parking area Comment
  PASA1674  Lupinus sparsiflorus R. E. Merrill Riverside Murray Canyon Comment
  RSA757617  Lupinus sparsiflorus LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4341 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  POM276403  Lupinus sparsiflorus subsp. sparsiflorus L. R. Abrams 1926-3-25 11044 Riverside Between Banning and Cabazon Comment
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Mar 13 2011
  RSA414820  Lupinus sparsiflorus subsp. sparsiflorus Jack Rempel 1932-5-1 15330 Riverside 1 miles south of Morengo Valley. Comment
  CLARK-A1045-82  Lupinus succulentus George K. Helmkamp 1978-4-27 Riverside Valle Vista Mountain Avenue and Florida road; roadside; Hemet 7.5'Q 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
  JEPS83240  Lupinus truncatus W. L. Jepson 1935-4-21 17156 Riverside Aguauga , branch rd to Pines (near branch rd. to Pines) 603 Comment
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Dec 14 2011
  RSA791723  Lupinus truncatus Robert F. Thorne 1995-3-29 63015 Riverside White Water Canyon. 600 Comment
  SD133082  Lupinus truncatus Scott White 1991-5-10 91 148 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UC1979644  Lupinus truncatus Steve Boyd, D. L. Banks 1995-4-5 8427 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west off the lower Dripping Springs Trail, just south of the Wilderness boundary. Comment
  RSA422102  Lycium andersonii Anstruther Davidson 1897-4-17 449 Riverside Whitewater. Comment
  UCR133978  Lycium andersonii Mitch Provance, J. S. Ross 1998-3-27 MOR- 963 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  SEINET3077750 Image available Lycium andersonii var. deserticola Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6431 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  SBBG70678  Lycium fremontii M. N. Ackley 1928-3-31 981 Riverside Hidden Springs 304 Comment
  JOTR36472  Lycium parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3440 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  CSUSB1940  Lythrum hyssopifolia Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  POM17576  Machaeranthera asteroides H. Baer 1923-9-30 s.n. Riverside Hemet Comment
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Nov 17 2011
  RSA575859  Machaeranthera asteroides var. asteroides Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  GMDRC9809  Malacothrix glabrata J. M. Andre 2017-3-1 38030 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  RSA176343  Malacothrix glabrata R. F. Thorne 1963-3-29 32400 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA278966  Malacothrix glabrata B. A. Prigge 1978-3-23 2413 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA775224  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4477 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
  UCR279505  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-27 43107 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  SD185106  Malosma laurina T. B. Salvato, Melissa Clemons 2005-6-23 1322 Riverside Temescal Valley, 3.0 miles northwest of Alberhill. 353 Comment
  RSA0013135  Malva neglecta LeRoy Gross, Caitlin Elam 2013-5-14 6065 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
  UC1922057  Malva parviflora Scott D. White, Angelia Carey 2004-4-5 10031 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  OBI30076  Marah macrocarpa T. W. Niilus 1970-2-10 N 6 Riverside 6 mi W of Perris at Hartford Spring 91 Comment
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Mar 29 2014
  JEPS46238  Marina parryi H. M. Hall 1905-4-22 5846 Riverside Canyon Spring Colorado Desert Comment
  UCR33653  Marina parryi Sears 1977-10-10 S 523 Riverside Sonoran (Colorado) Desert, 10 mi NE of Desert Center, base of Coxcomb Mtns 171 Comment
  UCR107829  Marrubium vulgare D. L. Banks 1997-5-5 1987 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR215593  Matelea parvifolia Jim Andre, T. La Doux 2008-9-16 10704 Riverside Mojave Desert, Joshua Tree National Park, on the southeast end of Splitock Picnic Area 1290 Comment
  SDSU18641  Matricaria discoidea C. Matt Guilliams, Jeannine Ross 2008-3-12 527 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  RSA736384  Matricaria globifera Scott D. White, Justin M. Wood 2008-5-1 11925 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR19540  Matricaria matricarioides John C. Roos 1966-3-24 s.n. Riverside Winchester (near Hemet) 457 Comment
  UCR278833  Medicago lupulina Mitch Provance 2012-7-17 17644 Riverside Beaumont Plateau, W end of Banning, 400 ft. SW of W Ramsey St. and Roberg Ave., area of fence line dividing I-10 and parking lot. 744 Comment
  SBBG67111  Medicago polymorpha M. N. Ackley 1928-3-10 577 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  POM348040  Medicago polymorpha Ora M. Clark 1929-3-2 1633 Riverside Near Elsinore. Comment
  CSUSB1097  Medicago sativa Dick Bernier 1966-5-1 Riverside At the corner of Iowa and Unversity Ave. in a bare portion of a lot. 274 Comment
  UCR281486  Melica frutescens Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 87 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  RSA403490  Melica imperfecta E. Crow 1929-3-17 206 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA699307  Melica imperfecta Keith E. Hoffmaster 1934-4-8 88 Riverside Santa Ana Mts. Comment
  UC38849  Melica imperfecta H. M. Hall Jun 1901 2306 Riverside North Fork; San Jacinto Mountains 914 Comment
  UC736843  Melica imperfecta Frank W. Gould 1944-4-4 2207 Riverside 12 mi s Corona (on road to Elsinore) Comment
  UC818873  Melica imperfecta P. A. Munz and I. M. Johnston 1922-5-21 5500 Riverside near Kenworthy (Hemet Valley); San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  UCR162283  Melica imperfecta 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
  UCSB3443  Melilotus albus Philbrick, Ralph 1954-10-24 Riverside Four miles south of Chino Institute 213 Comment
  RSA500170  Melilotus albus Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 3657 Riverside Vail Lake area, disturbed area at base of dam, head of Temecula Creek Cyn. 457 Comment
  CSUSB1109  Melilotus indicus Leland E. Francois 1966-3-27 32766 1 Riverside City of Riverside, lower southeast slope of Mount Rubidoux, just up the slope from Glenwood Drive. 297 Comment
  UC1537076  Melilotus indicus Gordon H. True Jr. 1935-4-11 230 Riverside Gavilan Hills 609 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
  JOTR31141  Menodora scoparia La Doux, Tasha 2009-6-3 1852 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  RSA172268  Mentzelia albicaulis Robert F. Thorne 1963-3-29 32408 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 14 2011
  RSA781615  Mentzelia albicaulis Duncan S. Bell 2009-3-8 83 Riverside Arica Mountains: collecting on the mountains ridgeline at the northern part of mountain range approximately 2.7 air miles northwest of Priest Well. 565 Comment
  UC1329908  Mentzelia albicaulis James E. Cole 1941-4-15 600 Riverside Joshua Tree National Monument, Pleasant Valley Comment
  SBBG20039  Mentzelia involucrata D. Myrick 1964-3-26 788 Riverside 15 mi S of Twentynine Palms, Joshua Tree Nat Monument 762 Comment
  RSA80991  Mentzelia jonesii G. R. Campbell 1952-4-5 18377 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  SBBG4876  Mentzelia longiloba H. and M. Dearing 1942-4-3 4853 Riverside 12 mi N of Desert Center Comment
  POM14286  Mentzelia veatchiana P. A. Munz 1922-4-29 5113 Riverside Aguanga Comment
  RSA402616  Mesembryanthemum crystallinum Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Mecca. Comment
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Jun 5 2011
  HSC85400  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Temescal Canyon, Warm Springs Valley, Alberhill Creek E of Nichols Rd. 366 Comment
  UC1595586  Micropus californicus var. californicus Steve Boyd and Orlando Mistretta 1991-5-9 6179 Riverside on ridge between Bedford Canyon and McBribe Canyon (lower flank of range along the Bedfrod Truck Trail); Santa Ana Mountains 548 Comment
  UCR217544  Microseris douglasii subsp. platycarpha Diane Menuz 2008-3-24 374 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  RSA501038  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3159 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR156373  Microseris lindleyi T. B. Salvato, Kent Beaman 2005-5-16 875 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
  UCR180587  Microseris lindleyi Scott D. White, Angelia Carey 2004-4-5 9997 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR25777  Microseris lindleyi John C. Roos 1952-4-30 5610 Riverside Peninsular Range, hills between Camp Haan and Riverside 534 Comment
  UCR260550  Microseris lindleyi T. B. Salvato, Matt Malle 2014-5-29 8020 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  RSA0018779  Mimetanthe pilosa Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2151 Riverside Santa Rosa Mountains. Comment
  UC26710  Mimulus H. M. Hall 1899-5-31 Riverside Smith Mt. Comment
  POM8576B  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  UCR241634  Mimulus aurantiacus var. pubescens T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 352 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR252523  Mimulus aurantiacus var. pubescens J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  RSA535470  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6645 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  JOTR28875  Mimulus bigelovii var. bigelovii La Doux, Tasha, Bill Truesdell 2004-3-17 1110 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  RSA420958  Mimulus bigelovii var. bigelovii Robert L. Dressler 1949-3-19 421 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
  UC886099  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside 5 mi e Desert Center (n base of mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  UCR183339  Mimulus brevipes Mitch Provance 2005-5-27 4603 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR167674  Mimulus cardinalis T. B. Salvato, Melissa Clemons 2005-6-23 1291 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  CAS-BOT-BC9454  Mimulus diffusus Frank Warrington Peirson 1922-4-30 2934 Riverside Hills south of Tuscalota Creek, Aguanga to Hemet Road Comment
  RSA523547  Mimulus diffusus Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4007 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR113988  Mimulus floribundus Mitch Provance, A. C. Sanders 2000-7-4 2110 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCSC000867  Mimulus fremontii Peter Kamb 1947-6-7 563 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  RSA442808  Mimulus guttatus H. de Forest, Jack Rempel 1933-10-29 18685 Riverside Snow Creek Canyon. 549 Comment
  UCR131832  Mimulus guttatus Jennie Phui 1998-5-30 034 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCR232018  Mimulus guttatus John F. Green 2008-4-21 02- 01 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  JEPS10962  Mimulus inodorus Carl V. Meyer 1928-7-26 524 Riverside 1/2 mi e Dutch Flat (Hannah's Sawmill); San Jacinto Mts. 1828 Comment
  UCR178200  Mimulus pilosus Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 647 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  CSUSB897  Mimulus puniceus Mark T. Wexler 1973-5-13 Riverside Santa Ana Mountains Cleveland National Forest, 10.18 miles from Orange County line of State Route 74, on east face of Santa Ana Mountains. 457 Comment
  RSA0104491  Mirabilis albida Duncan S. Bell 2015-9-30 8664 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  JEPS26558  Mirabilis laevis var. crassifolia Peter Kamb 1948-4-11 902 Riverside Whitewater Wash near Whitewater 457 Comment
  RSA0027992  Mirabilis laevis var. crassifolia Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6102 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA464253  Mirabilis laevis var. crassifolia Jack Rempel 1942-3-2 s.n. Riverside San Gorgonio Pass, S of Cabazon. Roadside between highway and R.R. tracks Comment
  SDSU16686  Mirabilis laevis var. crassifolia Francis H. Bozzolo 2006-4-16 7 Riverside Santa Margarita Ecological Reserve, northern end, ca. 0.1 miles south of North gate on Via Tornado road. Shallow slope on NW side of road, with single large Quercus sp at base. 360 Comment
  RSA464621  Mirabilis multiflora var. pubescens N. R. Zabriskie, W. M. Zabriskie 1972-3-30 500 Riverside west of Hwy 74, Santa Rosa Mountains 976 Comment
  OBI8387  Mohavea confertiflora David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12062 Riverside Along Box Cyn rd ca 20 mi ENE of Mecca on Orocopia Mts 274 Comment
  RSA408763  Mohavea confertiflora George R. Johnston, G. R. Johnston 1930-4-14 14660 Riverside Shaver's Well Riverside. Comment
  RSA516911  Mohavea confertiflora Steve D. Boyd, Orlando Mistretta 1986-3-13 1453 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA782084  Mohavea confertiflora Duncan S. Bell 2009-3-7 1 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UC310590  Mohavea confertiflora Philip A. Munz 1926-1-31 9961 Riverside Colorado Desert, Dos Palmos Spring Dos Palmos Spring; Colorado Desert, Dos Palmos Spring Comment
  SEINET10548355  Mohavea confertiflora David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2902 Riverside Pushawalla Canyon biota, Indio Hills. In wash bottom. Comment
  RSA0003914  Monardella australis H. M. Hall 1901-07 2486 Riverside In open forests of Tamarack Valley. 2805 Comment
  CAS-BOT-BC220021  Monardella breweri subsp. lanceolata L. R. Abrams 1912-7-11 4922 Riverside Sugar Loaf [Sugarloaf] Valley Comment
  SBBG71969  Monardella lanceolata R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  RSA234082  Monardella lanceolata var. lanceolata Robert F. Thorne 1969-6-6 39328 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  LA62738  Monardella linoides subsp. linoides Harlan Lewis; 1941-8-4 sn Riverside San Jacinto Mountains, Fire road E of Keen Maintenance Station Comment
  RSA408710  Monardella linoides subsp. linoides N. C. Cooper 1949-6-29 4286 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  LA96074  Monardella nana Elizabeth McClintock; 1940-6-30 22 Riverside Dark Canyon Camp, on the Banning-Idyllwild Road Comment
  LA96097  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 102 Riverside Black Mountain Spring Comment
  LA96106  Monardella nana Elizabeth McClintock; 1941-6-8 60 Riverside rd to Santa Rosa Mts. 1.5 mi above Pines to Palms Hwy Comment
  RSA761895  Monardella nana Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 708 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1499936  Monardella nana E. McClintock, H. Lewis 1941-6-29 80 Riverside Santa Rosa Mt. road, 5 1/2 miles beyond canyon where stream crosses road Comment
  RSA750396  Monardella nana subsp. arida Elizabeth McClintock 1940-7-21 26 Riverside 1 mile above canyon and stream, on Santa Rosa Mt. road. Comment
  UC1499809  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside w Domengonio Flats (on slope s of Strawberry Creek); San Jacinto Mts. Comment
  UCR123188  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24618 Riverside Mojave Desert, Little San Bernardino Mtns, near Hidden Valley Campground at 'Echo T,' Joshua Tree National Park 1311 Comment
  POM363590  Monoptilon bellioides Gus Gluechert 1937-4-24 s.n. Riverside San Jacinto Mts Comment
  RSA4890  Monoptilon bellioides C. B. Wolf 1932-4-27 3006 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  UC1922392  Monoptilon bellioides Naomi Fraga, Lisa Rojas 2005-2-10 1350 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA0010790  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  CAS-BOT-BC267020  Muhlenbergia filiformis Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, Mount San Jacinto 2438 Comment
  POM259729  Muhlenbergia microsperma E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  RSA0104694  Muhlenbergia microsperma Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-3-5 7762 Riverside Chuckwalla Mountains; a side canyon off of Irish Wash, approximately 1.5 air miles southwest of Aztec Well. 696 Comment
  RSA676130  Muhlenbergia microsperma Scott D. White 2001-4-17 8330 Riverside SONORAN DESERT: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  UCR92185  Muhlenbergia microsperma D. L. Banks, Steve Boyd 1995-5-3 0249 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR126383  Muilla maritima A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 692 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SBBG9291  Nama demissa H. and M. Dearing 1941-4-9 4629 Riverside 8 mi S of Mecca Comment
  UCR169920  Nama demissa Scott D. White, Jennifer H. Jones 2005-4-21 10945 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  JOTR32161  Nama demissa var. demissa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2313 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
  UCD119564  Nama demissa var. demissa Geoffrey Levin 1976-3-27 691 Riverside Chino Canyon, west of Palm Springs. 396 Comment
  UCSB5303  Nama depressa Krogen, Roger 1957-1 Riverside 26 mi. E of Indio on Hwy. 60-70; near S entrance to Joshua Tree Nat. Parl Comment
  RSA796336  Nama hispida Duncan S. Bell 2009-4-18 198 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  CAS-BOT-BC219361  Nama stenocarpa A. C. Sanders; D. Bramlet; Mihai Costea; T. Salvato 1999-10-15 23173 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
  RSA487431  Nassella lepida Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA575825  Nassella lepida Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, western flank of Estelle Mountain above entrenched meander of Temescal Creek, northwest of Lee Lake. 366 Comment
  RSA561867  Navarretia atractyloides Steve Boyd, T. S. Ross 1992-6-10 7623 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with main trunk of San Mateo Creek. 405 Comment
  SEINET11261736  Navarretia intertexta Jeremiah George 2012-5-4 s.n. Riverside Peninsular Range; Elsinore Trough: Lake Elsinore area, South of Nichols Rd. and East of Baker St. (Lake Elsinore 7.5' Q.); 0 387 Comment
  SEINET10464925  Nemacladus Wagnon 1944-3-26 WAGNON 362 Riverside Among stones, in sand, open sun all day. Cathedral Canyon, Cathedral City Comment
  RSA0126425  Nemacladus longiflorus var. longiflorus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4516 -a Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA591746A  Nemacladus orientalis J. C. Roos 1966-3-26 s.n. Riverside 2 mi S.E. of Desert Center. Comment
  RSA585790  Nemacladus pinnatifidus D. L. Banks, S. D. Boyd 1995-5-9 0417 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  UCR68864  Nemacladus pinnatifidus Steve Boyd, T. S. Ross 1990-5-11 4705 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA0124735  Nemacladus ramosissimus Duncan S. Bell, LeRoy Gross 2016-3-31 9193 A Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  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
  RSA518555  Nemacladus rubescens O. F. Clarke 1973-4-1 s.n. Riverside At south entrance to Joshia Tree National Monument, just below Cottenwood Springs. Comment
  SEINET10461110 Image available Nemacladus rubescens Harvey M. Hall 1905-4-17 Hall 5819 Riverside Indio Mountain; type of Nemacladus adenophorus Parish 150 Comment
  SEINET10840516  Nemacladus rubescens Hall Hall 5838 Riverside Near Salton 30 Comment
  JOTR31090  Nemacladus sigmoideus La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2352 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  SEINET10460870  Nemacladus sigmoideus Frank W. Peirson Peirson 7913 Riverside n Colorado Desert Comment
  SEINET10460920  Nemacladus sigmoideus Raven 1958-5-5 Raven 12890 Riverside Along road just west of Split Rock, Joshua Tree National Monument Comment
  RSA767265  Nemacladus tenuis var. tenuis Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10883 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  SD7438  Nemophila menziesii unknown Apr 1881 Riverside Temecula Comment
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Nov 29 2010
  SEINET3091664 Image available Nemophila menziesii Norman C. Cooper 1945-5-5 2262 Riverside San Gorgonio Mountains above Banning. 914 Comment
  UCR35348  Nemophila menziesii L. B. Ziegler 1967-4-25 118 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  UCR241688  Nemophila menziesii var. integrifolia T. B. Salvato 2013-3-22 7404 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  RSA172322  Nicotiana obtusifolia Robert F. Thorne 1963-3-29 32386 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 13 2011
  SBBG81509  Nicotiana obtusifolia S. A. Junak 1983-3-23 1629 Riverside E side of Jefferson Rd opposite entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR199831  Nicotiana obtusifolia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11277 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR274849  Nicotiana obtusifolia David Fraker, Aaron C. Sedgwick 2012-4-5 075 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  UCR1582  Nicotiana quadrivalvis R. L. Needham 1962-4-27 10015 Riverside Peninsular Range, 3 mi NE of Nuevo [near Lakeview] 488 Comment
  UC218652  Notholaena californica P. A. Munz and I. M. Johnston 1922-5-21 5551 Riverside 4 mi ne San Jacinto 457 Comment
  UCR90179  Notholaena californica A. C. Sanders, C. L. Sanders, O. F. Clarke, P. J. MacKay, S. D. White 1994-11-27 15869 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
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Jun 19 2018
  RSA18955  Oenothera californica subsp. californica Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9666 Riverside Between Riverside and Ontario. Comment
  RSA192049  Oenothera californica subsp. californica E. W. Lathrop 1960-5-7 5243 Riverside Murrieta. Comment
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Mar 14 2014
  UC422969  Oenothera californica subsp. californica F. M. Reed 1905-10-2 260 Riverside 547 Chicago Avenue Riverside Comment
  CLARK-A1528-3349  Oenothera deltoides John C. Roos 1966-3-12 Riverside Indio Comment
  LA206204  Oenothera deltoides H. Lewis; 1952-3-9 1622 Riverside about 10 mi. S of Garnet Comment
  POM355589  Oenothera deltoides subsp. deltoides Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  RSA146011  Oenothera deltoides subsp. deltoides William M. Klein 1959-3-1 802 Riverside Bermuda Dunes; along the LaQuinta road, .5 miles south of the junction of US Hwy 60-99, about 6 miles northwest of Indio. 61 Comment
  RSA25381  Oenothera deltoides subsp. deltoides C. L. Hitchcock 1940-4-4 5944 Riverside Pinto Basin. Comment
  UC1122209  Oenothera deltoides subsp. deltoides H. S. Yates 1937-3-23 6419 Riverside 5 mi n Edom; Thermal Quadrangle Comment
  RSA770931  Oenothera elata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4581 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SEINET10492308  Oenothera palmeri David B. Dunn 1946-3-16 Dunn 2078 Riverside Collected on dry slope in pushawalla canyon about 1 mi above the man group of palms. Indio hills. Comment
  RSA335031  Olea europaea Steve Boyd 1985-7-23 1004 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  CAS-BOT-BC427471  Oligomeris linifolia Ira L. Wiggins 1941-3-24 9581 Riverside Beach along eastern margin of Salton Sea, 3.5 miles south of Mortmar Comment
  JEPS20749  Oligomeris linifolia Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13242 Riverside Highway U.S. 95, 11.3 mi n Blythe (in wash arising in Big Maria Mts.); in wash arising in Big Maria Mts. Comment
  RSA727866  Oligomeris linifolia Naomi Fraga, Lisa Rojas 2005-2-10 1356 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SBBG4040  Oligomeris linifolia H. and M. Dearing 1941-4-9 4626 Riverside near Mecca Comment
  UCR177843  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 549 Comment
  RSA696231  Opuntia basilaris Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  RSA7224  Opuntia polyacantha var. erinacea B. D. Stark 1932-5-15 3705 Riverside Rocky hills on Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  RSA757047  Orcuttia californica D. E. Bramlet, Rick Riefner 2005-5-17 3856 Riverside Stowe vernal pool. The site is located 152m N of Stowe Rd. & 213m W of California Ave. The pools are located 8km west of Hemet. 456 Comment
  SEINET4080625  Orcuttia californica L. M. Boykin, P. M. Hall 2003-1 Riverside Comment
  CAS-BOT-BC355577  Oreostemma alpigenum var. andersonii Mary F. Spencer 1919-7-6 1256 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mt. 2377 Comment
  UCR35211  Orobanche californica subsp. feudgei L. B. Ziegler 1968-5-21 302 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  JEPS12904  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
  RSA768414  Orobanche cooperi Jim Andre, Tasha La Doux 2009-2-25 10828 Riverside Palen Dry Lake: southeast margin of dry lake, approx. 6 miles north of I-10 freeway, about 15 miles east of Desert Center 129 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
  RSA0070482  Orobanche cooperi subsp. cooperi Louis C. Wheeler 1952-4-5 6848 Riverside Mecca: Box Canyon Road at canal. Comment
  RSA263608  Osmorhiza brachypoda E. W. Lathrop 1968-5-22 6912 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR26850  Osmorhiza brachypoda E. W. Lathrop 1966-5-17 6536 Riverside Santa Ana Mtns., 4 mi. west of Corona, between Tin Mine Canyon and Santiago Peak 612 Comment
  UCR19480  Oxytheca emarginata E. C. Jaeger 1922-7-23 s.n. Riverside San Jacinto Mtns., Pines to Palms Trail, east slope of mountains 1524 Comment
  UCR162278  Paeonia californica 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
  CAS-BOT-BC327922  Palafoxia arida G. B. Grant no date on sheet s.n. Riverside Colorado Desert Comment
  POM363742  Palafoxia arida var. arida L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  RSA79149  Palafoxia arida var. arida P. A. Munz, Percy C. Everett 1952-5-2 16255 Riverside 2 miles east of Garnet, Coachella Valley. 30 Comment
  UC51605  Palafoxia arida var. arida Jos. Burtt Davy 1902-4-2 8055 Riverside Salton Comment
  SD211515  Panicum capillare Justin M. Wood 2008-9-19 130 Riverside Southwest Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 292 Comment
  UCR242287  Panicum hirticaule subsp. hirticaule A. C. Sanders, T. B. Salvato 2012-10-12 40422 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  RSA525251  Papaver californicum Steve Boyd, Tim S. Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA543780  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6037 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR167422  Parkinsonia florida John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  RSA0026454  Parkinsonia florida Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Comment
  UCR90590  Paspalum dilatatum Scott D. White 1995-6-29 3407 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  POM319685  Paspalum distichum Patricia Wilder 1971-11-11 5292 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UCR2643  Paspalum distichum F. M. Reed 1906-8-24 1183 Riverside Riverside, corner of Buchanan and MacKay (?) ranches, Blaine Street 305 Comment
  RSA782787  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-4 054 Riverside Red Cloud Wash Road exit from I10. Follow Red Cloud Wash Rd approximately 5.5 miles. Chuckwalla Bench ACEC. 593 Comment
  SD96353  Pectis papposa var. papposa David Keil 1975-8-27 K 10994 Riverside 8 miles west of Desert Center along I-10 Comment
  UC1532788  Pectis papposa var. papposa Robert F. Thorne 1966-10-15 41795 Riverside at foot Palms to Pines Highway (near Palm Desert); Dead Indian Canyon Comment
  UCR214558  Pectocarya heterocarpa A. C. Sanders 2010-3-15 37418 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  UCR113997  Pectocarya linearis Mitch Provance 2000-5-5 2014 A Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  UCR140327  Pectocarya linearis A. C. Sanders, Guy Bruyea 2004-4-2 27417 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR228850  Pectocarya linearis A. C. Sanders, Nathan Moorhatch 2011-3-22 38793 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  UCR162763  Pectocarya penicillata S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR177824  Pectocarya penicillata S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., Reed Valley at beginning of powerline trail to Juan Diego Flats, NW of Cahuilla Mountain 1037 Comment
  UCR138578  Pectocarya platycarpa Steve Boyd, Orlando Mistretta 1986-3-13 1436 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  RSA0106692  Pectocarya recurvata Duncan S. Bell, Thomas Stoughton 2010-3-19 560 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2 air miles west of Priest Well. 449 Comment
  RSA496364  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3038 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  SEINET3084040 Image available Pectocarya recurvata Andrew C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15919 Riverside Sonoran (Colorado) Desert; Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  UCR88559  Pectocarya recurvata A. C. Sanders 1995-4-13 16505 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  RSA686755  Pellaea andromedifolia J. D. Olmsted 1962-5-10 3630 Riverside Coldwater Canyon, Corona city water supply 396 Comment
  UCR213477  Pellaea andromedifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37839 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  POM9752  Pellaea andromedifolia var. andromedifolia P. A. Munz 1921-12-31 4697 Riverside Andreas Canyon, Palm Springs. Comment
  SBBG283  Pellaea mucronata H. and M. Dearing 1936-12-26 2920 Riverside head of Palm Cyn; Palms to Pines Hwy 1219 Comment
  UCD137698  Pellaea mucronata Lewis S. Rose 1966-12-14 66107 Riverside Chino Canyon, 3 mi. W. of Palm Springs Desert. 670 Comment
  JOTR34126  Pellaea mucronata var. mucronata Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21084 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  RSA585636  Pellaea mucronata var. mucronata Darin L. Banks, Steve Boyd 1995-3-15 71 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  RSA96915  Penstemon X parishii R. M. Straw 1954-6-10 603 -b Riverside Lake Fulmor. Comment
  CHSC1849  Penstemon antirrhinoides E. Thomas 1940-3-10 Riverside San Jacinto Foothills. Comment
  CAS-BOT-BC265282  Penstemon clevelandii subsp. connatus H. M. Hall 1899-5-1 1100 Riverside Van de Venter's 1402 Comment
  JOTR32967  Penstemon clevelandii var. mohavensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2718 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA733  Penstemon heterophyllus var. australis J. T. Howell 1928-7-9 1070 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  RSA0021074  Penstemon labrosus Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 635 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  NY640880  Penstemon pseudospectabilis subsp. pseudospectabilis P. A. Munz 1922-4-9 4909 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457.2 Comment
  SEINET9628508 Image available Pentagramma triangularis subsp. triangularis C. J. Rothfels, M. D. Windham, J. Beck, A. L. Grisz, E. Schuettpeltz, K. Pryer 2008-5-14 2558 Riverside San Jucinto Mountains, San Bernardino National Forest, South Fork Canyon, south side of Hwy 74, approx. 5.5 km west of Mountain Center (as the crow flies). 651 Comment
  LA204569  Peritoma arborea E. C. Parke; 1941-5-7 Riverside White Water Comment
  CAS-BOT-BC77482  Peritoma arborea var. angustata Philip A. Munz 1949-4-13 13042 Riverside Above Cottonwood Springs, west end Eagle Mts., Colorado Desert 1097 Comment
  CAS-BOT-BC73728  Peritoma arborea var. arborea K. Larson 1976-9-28 2243 Riverside ~3 mi. E. of Devers substation. Comment
  POM8380  Perityle emoryi Mary F. Spencer 1920-4-7 783 Riverside Palm Springs. 122 Comment
  CAS-BOT-BC419306  Persicaria punctata A. C. Sanders; P. MacKay 1994-10-23 15851 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery and Bonnie Bell. 581 Comment
  CAS-BOT-BC167765  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon 243 Comment
  JEPS41239  Petalonyx thurberi W. L. Jepson and H. M. Hall 1901-5-22 1399 a Riverside s. of Hemet's Valley (Palm Canyon and return to Van Deventer's); Mt. San Jacnto, Palm Canyon Comment
  PASA1559  Petalonyx thurberi Shanteau Riverside Mojave desert Comment
  SBBG45342  Petalonyx thurberi subsp. thurberi M. A. Piehl 1963-9-18 63840 Riverside near US 60, 70, 7.5 mi W of jct with Joshua Tree Mon Rd 373 Comment
  UCD39881  Petunia parviflora Leslie Ede, Farm Advisor 1974-6-1 s.n. Riverside Blythe. Comment
  CAS-BOT-BC326732  Peucephyllum schottii John H. Thomas 1957-3-30 6537 Riverside 0.8 miles east of Cactus City about 13 miles east of Coachella near U.S. Highways 60 and 70, Colorado Desert 518 Comment
  RSA471969  Peucephyllum schottii Robert Gustafson 1981-4-7 2149 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA778112  Peucephyllum schottii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 926 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  CHSC8289  Phacelia Edward L. Smith 1958-3-22 409 Riverside Located in sand dunes 3 mi. s of Rice, Calif. Little Santa Maria Mts. 335 Comment
  SEINET7907970  Phacelia D. A. Johnson 2005-1 Riverside Between Coachella and S entrance to Joshua Tree Nat'l Park, S of Interstate 10. 914 Comment
  JOTR32956  Phacelia affinis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2706 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Willow Hole in Wonderland of Rocks Comment
  RSA125596  Phacelia affinis Peter H. Raven 1958-5-5 12906 Riverside Joshua Tree National Monument, Salton View 1585 Comment
  RSA425999  Phacelia ambigua Robert Gustafson 1982-5-19 2562 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  RSA699141  Phacelia ambigua J. R. Bruff 1927-3-13 s.n. Riverside Edom Comment
  SD248441  Phacelia brachyloba a.c. Sanders, T. B. Salvato 2014-7-2 41184 Riverside Peninsular Range: San Jacinto Mountains: Fobes Canyon, c. 1/2 mile S of Fobes Ranch along Fobes Ranch Road (Palm View Peak 7.5'Q) 1555 Comment
  UC702059  Phacelia campanularia subsp. campanularia Harlan Lewis 1946-4-21 103 Riverside side canyon about 3 mi from Hiway 99; Whitewater Canyon Comment
  UCR228253  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37669 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  RSA593695  Phacelia ciliata Steve Boyd, D. Bramlet 1996-4-19 8631 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  RSA701088  Phacelia crenulata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11248 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA781749  Phacelia crenulata Duncan S. Bell 2011-12-30 3043 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  SD181482  Phacelia crenulata J. Mark Porter, Valerie Soza, G. Wallace 2001-4-2 12344 Riverside Coachella Valley, ca. 1 mile east of Desert Hot Springs, Long Canyon, on west side of Long Canyon Road. Openings of fine gravel or coarse sandy soils, just above the wash in Long Canyon. 395 Comment
  JOTR28947  Phacelia crenulata var. ambigua La Doux, Tasha 2005-3-30 1183 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA0031421  Phacelia crenulata var. ambigua Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4470 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UCR244908  Phacelia crenulata var. ambigua Jim Andre 2012-3-19 21376 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  SD241053  Phacelia crenulata var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 7864 Riverside McCoy Wash, N of Palo Verde Mesa, 5.43 km W of Mesaville rairoad siding, 10 km N of I-19, and 13 km NW of Blythe. 139 Comment
  RSA0105078  Phacelia distans Daphne K. Christopher, Hannah Stevens 2003-4-6 104 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA426214  Phacelia distans M. B. Dunkle 1933-3-5 3076 Riverside Colorado Desert, Palm Springs. 91 Comment
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Nov 3 2011
  RSA85090  Phacelia distans J. C. Roos 1952-4-9 5493 Riverside Riverside, W face of Mt. Rubidoux. 400 Comment
  UC702030  Phacelia distans Frank W. Gould 1943-4-18 2147 Riverside near Banning (on the Idlewild cutoff) Comment
  UC809715  Phacelia distans Philip A. Munz 1949-4-11 13022 Riverside wash near Conejo Well; Mojave Desert, north base of Eagle Mts. 914 Comment
  UCR162880  Phacelia distans T. B. Salvato, Kelly Volansky 2003-3-27 121 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA0055025  Phacelia distans Jim Shevock 1971-3-6 741 Riverside White Tank, Joshua Tree National Monument. 1001 Comment
  UC916698  Phacelia minor Frank W. Gould 1944-4-4 2212 Riverside on hwy 71 9 mi se Temecula Comment
  RSA554652  Phacelia neglecta A. C. Sanders, E. J. Lawlor 1992-4-4 12090 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SDSU13319  Phacelia parryi Ryan Jacobson, Jeremy Mass 2000-4-19 13 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  HSC82952  Phacelia ramosissima N. M. Fellows, A. C. Sanders 1985-5-7 179 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi. W of Snow Creek Village 488 Comment
  RSA650562  Phacelia ramosissima var. latifolia Jeanne Bellemin 1969-5-24 s.n. Riverside Idylwild to Banning. 976 Comment
  RSA443396  Phalaris aquatica J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  RSA286815  Phalaris caroliniana R. F. Thorne 1974-5-23 44663 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  UCR2662  Phleum pratense F. M. Reed 1906-7-1 1118 Riverside Riverside, in lawns 366 Comment
  UC2030089  Phoenix canariensis Scott D. White 2000-10-24 8139 Riverside SOUTH OF HEMET: Gibbel Flat: in the Santa Rosa Hills. Comment
  RSA678116  Pholisma arenarium Valerie L. Soza, Steve D. Boyd, Neil Gilbert 2000-12-6 1062 -b Riverside Bautista Canyon, alongside Bautista Canyon Road, across from Bautista Conservation Camp. 854 Comment
  VVC284  Pholistoma membranaceum A. C. Sanders, J. Mac 1997-2-8 19683 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  HSC87172  Phoradendron californicum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2103 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  JOTR29443  Phoradendron californicum La Doux, Tasha, Mike Bell 2006-3-8 1341 Riverside Joshua Tree National Park. Hayfield spring Comment
  RSA420768  Phoradendron californicum P. J. Remple 1942-3-1 s.n. Riverside Colorado Desert. Comment
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Nov 5 2011
  RSA517237  Phoradendron californicum Steve D. Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1324 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  SBBG61547  Phoradendron juniperinum R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns Comment
  RSA356997  Phoradendron libocedri Robert F. Thorne, Percy C. Everett 1966-10-18 41856 Riverside Santa Rosa Mountains. Comment
  UC1073268  Phoradendron villosum George B. Rossbach 1955-4-22 230 Riverside slope between Juniper Flat and Stubby Spring; Little San Bernardino Mts. 1402 Comment
  UC1584068  Phoradendron villosum Steve Boyd and Dave Bramlet 1988-10-8 2878 Riverside s.w. Anza (at head of Bautista Canyon, Cahuilla Mt., along crest of the mt.); Cahuilla Mt. Comment
  RSA289848  Phragmites australis B. A. Prigge 1980-9-17 4056 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio., Near 33 deg 44'N; 116 deg 14'W. -3 Comment
  RSA0042380  Physalis crassifolia Duncan S. Bell, LeRoy Gross 2014-3-13 6237 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA676146  Physalis crassifolia Scott D. White 2001-4-12 8308 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA700972  Physalis crassifolia Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11216 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA79895  Physalis crassifolia F. W. Peirson 1921-3-20 4485 Riverside Andreas Canyon, near Palm Springs 244 Comment
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Oct 18 2007
  UCR242119  Physalis crassifolia Jim Andre 2011-2-9 15923 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  CSUSB764  Physalis crassifolia var. crassifolia Wayne White 1975-5-24 Riverside Chuckwalla Mountains Chuckwalla Mountains. On Highway I-10 to Red Cloud Road. Colorado Desert. 609 Comment
  UCR282157  Physalis philadelphica R. E. Riefner Jr. 2017-5-18 17- 260 Riverside Perris-Aguanga Basin, city of Hemet, east of Winchester, north of Simpson Road, east of San Diego Aqueduct, west of active agricultural fields 467 Comment
  UCR5867  Physalis philadelphica O. F. Clarke 1966-10-2 661002- 21 Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street [now the site of an apartment complex, 2001] 305 Comment
  UCR260255  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-11 41395 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  SBBG83305  Phytolacca americana D. Domenigoni 1986-4-21 Riverside Young property, Hemet Comment
  UC1129884  Pickeringia montana var. tomentosa R. St. John 1931-2-27 190 Riverside Sitton Peak Elsinore Quadrangle 991 Comment
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Nov 27 2011
  SEINET10932748  Pinus contorta David B. Dunn 1946-8-17 Dunn 2710 Riverside N side of Taquity peak. Trail to Taquity from Taquity valley campground, on dry hillside among bracken fern. San Jacinto Mts. 2675 Comment
  LA6049  Pinus contorta subsp. murrayana Virginia Mars; 1951-5-26 sn Riverside San Jacinto Mountains, Tahquitz Peak 2285 Comment
  RSA719527  Pinus contorta var. murrayana Naomi Fraga 2006-7-11 1712 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  CAS-BOT-BC78556  Pinus coulteri P. C. Everett 1935-6-18 7206 Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (N.) main divide motorway 1219 Comment
  POM11510  Pinus flexilis Philip A. Munz 1922-7-7 6037 Riverside San Jacinto Peak. near summit. 3277 Comment
  POM11516  Pinus flexilis Philip A. Munz 1922-6-28 5886 Riverside Santa Rosa Mts. Toro Peak. 2439 Comment
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Mar 28 2014
  RSA5238  Pinus flexilis C. B. Wolf 1932-8-5 3982 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  UC64435  Pinus flexilis W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1452 Riverside Santa Rosa Peak Comment
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Nov 7 2015
  UC64553  Pinus lambertiana H. M. Hall 1902-4-16 2885 Riverside w side Tahquitz Peak; San Jacinto Mountains 2438 Comment
  CDA14910  Pinus monophylla L. D. Merrill 1998-8-11 s.n. Riverside Transverse Ranges; Santa Rosa Mountain. 0 Comment
  UC813272  Pinus monophylla Lewis S. Rose 1936-12-24 36814 Riverside 26 mi sw Indio (Palms to Pines Highway); San Jacinto Mts. 1219 Comment
  SBBG56389  Pinus murrayana R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns 2438 Comment
  SEINET13709411  Pinus ponderosa J. Adams, J. Adams (Botany) 1965-1 199 Riverside 1 Mi South Idyllwild 6000 Ft 1829 Comment
  UC64441  Pinus quadrifolia H. M. Hall June, 1901 2139 Riverside Coyote Canyon Santa Rosa Mountain (western base Santa Rosa Mountain); San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  UCSB9554  Pinus quadrifolia DeWitt, Jack 1959-5-17 Riverside 5.1 miles down Hwy. 74 from Hemet Lake, San Jacinto Mtns. Comment
  CAS-BOT-BC136556  Piperia cooperi W. I. Lester 1895-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR113934  Piptatherum miliaceum Mitch Provance, A. C. Sanders 2000-7-4 2100 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA599117  Piptatherum miliaceum V. W. Steinmann, D. L. Banks 1996-4-20 842 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  SD181660  Plagiobothrys acanthocarpus Steve Boyd 2001-4-12 10409 Riverside Gavilan Hills Region; southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street. Comment
  RSA0088540  Plagiobothrys arizonicus Giovanni Rodriguez 2016-4-2 17 Riverside Santa Ana mountains, Santa Rosa Plateau (vernal pool trail head). 624 Comment
  RSA359606  Plagiobothrys canescens Steve Boyd 1986-3-3 1376 Riverside Good Hope Valley, 5 miles W of Perris, DePrad Street, 1/2 mile E of Cowie Ave. 488 Comment
  RSA660496  Plagiobothrys canescens A. C. Sanders 1998-3-11 21694 Riverside Shipley/Skinner Reserve area: Diamond Valley, along State Street (R3) ca. 1/2 mi. N of Newport Rd., S of Hemet 488 Comment
  UCR112003  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2000-5-25 23422 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR174366  Plagiobothrys canescens A. C. Sanders 2006-5-19 32407 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
  UCR213613  Plagiobothrys canescens A. C. Sanders, Matthew Malle 2010-4-23 38005 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR51353  Plagiobothrys canescens L. F. LaPre, Jack Easton 1988-1-21 s.n. Riverside Gavilan Plateau, Steele Peak., Section 9 Comment
  UCR92712  Plagiobothrys canescens A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18066 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  UC718552  Plagiobothrys collinus Carl B. Wolf 1935-4-7 Riverside 2 mi sw Perris; Gavilan Hills Region 426 Comment
  RSA614194  Plagiobothrys collinus var. californicus A. C. Sanders 1997-3-1 19757 Riverside E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch, E of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  RSA625810  Plagiobothrys collinus var. fulvescens Scott D. White, Julie Greene 1997-3-12 4769 Riverside Pedley area, S foot of Jurupa Hills: Just N of SR 60 Freeway at Pedley exit. 274 Comment
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Apr 2 2011
  UCR266323  Plagiobothrys leptocladus D. E. Bramlet 1991-4-29 2097 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road, north of Florida 457 Comment
  POM13801  Plagiobothrys tenellus P. A. Munz 1922-4-30 5133 Riverside Tucalota Creek, south of Hemet Comment
  SD68967  Plantago elongata Robert Thorne, P. A. Munz, E. Lathrop 1968-5-8 37575 Riverside Santa Rosa Plateau: desiccated margin of vernal marsh on Mesa de Colorado, Rancho California; 671 Comment
  SEINET1910853  Plantago erecta A. C. Sanders 1997-1 19846 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR171968  Plantago erecta John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UCR174357  Plantago erecta A. C. Sanders 2006-5-19 32381 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR91997  Plantago lanceolata Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  JOTR28953  Plantago ovata La Doux, Tasha 2005-3-30 1189 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA775091  Plantago ovata Duncan S. Bell, Amber Swanson 2011-2-18 2039 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
  UCR166016  Plantago ovata Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR172222  Plantago ovata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  UCR233179A  Plantago ovata Jim Andre, Glenn L. Clifton 2011-2-22 17427 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  POM283953  Plantago ovata var. fastigiata Lyman Benson 1933-3-31 4180 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  JOTR16769  Plantago patagonica Moore, Sue 1968-5-5 s.n. Riverside Joshua Tree National Park. QUEEN VALLEY 1341 Comment
  RSA682163  Plantago patagonica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10500 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
  POM1499  Platanus racemosa I. M. Johnston 1917-4-4 1094 Riverside Andreas Canyon, near Palm Springs. 229 Comment
  UCR120911  Platanus racemosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24951 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  LA206261  Platystemon californicus K. Kinsel; 1930-4-17 sn Riverside near Perris Comment
  RSA307777  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1938-11-26 2554 Riverside Corona-Elsinore Road. Comment
  RSA660063  Platystemon californicus Matt Bogdanoff 1981-4-11 8 Riverside Cajalco Rd., 5.9 mi E of junction with La Sierra Ave., SE of Lake Mathews. 488 Comment
  UCR155062  Platystemon californicus A. C. Sanders, Kelly Volansky 2005-3-17 29220 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA552739  Plectritis ciliosa subsp. insignis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6761 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  RSA557892  Plectritis ciliosa subsp. insignis Steve D. Boyd, Orlando Mistretta 1992-4-22 6996 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA577756  Pleuraphis rigida F. M. Reed 1920-3-24 4286 Riverside Morongo Pass near Whitewash station 274 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
  RSA515206  Pleurocoronis pluriseta Steve Boyd, Orlando Mistretta 1986-3-13 1482 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  CDA8481  Pluchea odorata Leo Kroonen 1943-10-18 Riverside Corona. 0 Comment
  CAS-BOT-BC326542  Pluchea sericea Alice Eastwood 1913-4-30 3103 Riverside Palm Springs Comment
  RSA715186  Pluchea sericea Marisa Sripracha, K. A. Boyd 2004-2-14 033 Riverside Sonoran (Colorado) Desert: Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  UCR111600  Pluchea sericea Mitch Provance 1998-4-8 1775 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCD90300  Poa secunda A. A. Beetle 1944-4-27 3006 Riverside West of Murietta. Comment
  CAS-BOT-BC243001  Poa secunda subsp. secunda Peter H. Raven 1958-5-17 12941 Riverside 7.4 miles SE of Banning on road to Idyllwild, San Jacinto Mountains Comment
  JOTR16787  Poa secunda subsp. secunda Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1645 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
  UC849962  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Lee Lake Temescal Canyon 335 Comment
  UCR26839  Polygonum convolvulus A. C. Sanders 1982-6-12 2717 Riverside Riverside, residential garden, 422 Campus View Drive 335 Comment
  UC6740  Polygonum polygaloides subsp. kelloggii H. M. Hall 1901-6 2354 Riverside Tauquitz Valley San Jacinto Mountains (along stream) 2438 Comment
  UCR113610  Polygonum punctatum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23718 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  CAS-BOT-BC237274  Polypogon monspeliensis H. M. Hall 1901-5-1 s.n. Riverside Elsinore Comment
  UC1930040  Polypogon monspeliensis Scott D. White, Justin Wood 2008-6-16 12113 Riverside San Jacinto Mountains: Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  UCD91318  Polypogon monspeliensis John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base. 533 Comment
  RSA714655  Populus fremontii A. C. Sanders 2004-5-12 27893 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  RSA735355  Populus fremontii Keith E. Hoffmaster 1937-3-16 746 Riverside Near Palm Springs Station Comment
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Aug 27 2011
  UCR235080  Populus fremontii A. C. Sanders, John F. Green 2012-6-1 40233 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, SE of I-15 junction with Horsethief Cyn. Rd., 7 miles N of Lake Elsinore 381 Comment
  UCR251962  Populus fremontii Max Brodie 2014-4-6 02 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  CAS-BOT-BC356165  Porophyllum gracile H. M. Hall 1905-5-2 5977 Riverside Colorado Desert. Chuckawalla [Chuckwalla] Mt. Comment
  UC63187  Porophyllum gracile H. M. Hall May 1901 1864 Riverside along the borders of the, Eastern base Colorado Desert Comment
  UCR48392  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR52014  Porophyllum gracile Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2206 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  CAS-BOT-BC452156  Potamogeton diversifolius P. A. Munz 1922-9-6 6380 Riverside Hidden Lake, San Jacinto Mts 2438 Comment
  RSA5231  Potentilla glandulosa subsp. nevadensis Carl B. Wolf 1932-8-5 s.n. Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  POM13649  Potentilla gracilis var. fastigiata Philip A. Munz 1922-7-6 5986 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  CAS-BOT-BC356220  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1941-5-23 2221 Riverside Colorado Desert. 3.5 miles northeast of Cottonwood Spring, Eagle Mountains 1066 Comment
  SDSU13486  Primula clevelandii var. clevelandii Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 8 Riverside Santa Margarita Ecological Reserve North End. Comment
  SFV3474  Proboscidea althaeifolia G. E. L. Rowntree, H. Dearing 1825, M. Dearing 1937-11-4 s. n. Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash near Corn Springs. Between Desert Center and Blythe. 490 Comment
  SD146263  Prosopis glandulosa var. torreyana A. C. Sanders, S. D. Boyd, Mitch Provance 1999-7-14 23075 Riverside San Bernadino Valley: Colton Dunes, dune remnant on Slover Ave between Pepper Ave and the tank farm, 1 miles w of Slover Mountain 320 Comment
  SEINET10489767  Prosopis glandulosa var. torreyana A. K. Evans 1976-4-13 Evans 5152 Riverside Desert canyons of Santa Rosa mountains. Comment
  CSUSB949  Prosopis juliflora Steven M. Chambers 1970-4-12 Riverside On rocky hillside near bottom station of the Palm Springs Aerial Tramway, Chino Canyon. 761 Comment
  CAS-BOT-BC216513  Prosopis pubescens John Thomas Howell 1927-8-1 2879 Riverside J Cross K Ranch, N Colorado Desert, Bottom of Mission Creek 609 Comment
  CAS-BOT-BC151114  Prunus fremontii Walter Knight; Irja Knight; Fred Klein 1969-3-31 2651 Riverside Ca. .2 mi. up Carrizo Rd. from Pines to Palms Hwy. 1097 Comment
  RSA304834  Prunus fremontii James R. Shevock 1972-2-26 1352 Riverside Coyote Cyn, near Anza. 1006 Comment
  SBBG22983  Prunus fremontii D. Myrick 1965-3-4 1084 Riverside Palms to Pines Hwy 74 914 Comment
  SD73397  Prunus fremontii Nancy Ryan Zabriskie, Walter Zabriskie 1969-4-2 186 Riverside trail toward Eagle Peak. Andreas Canyon near Palm Springs 671 Comment
  RSA454142  Prunus ilicifolia Gale Sphon 1955-5-21 s.n. Riverside 3 miles south of Banning. Comment
  RSA802422  Prunus virginiana Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5017 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 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
  POM318596  Pseudognaphalium stramineum Patricia Wilder 1970-10-15 4780 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  SD137881  Pseudognaphalium stramineum Darin L. Banks, Steve Boyd 1995-5-9 371 Riverside North of Agaua Tibia Wilderness, west of Dripping Springs Alcove area, west of Woodchuck Campground 790 Comment
  RSA500095  Psilocarphus brevissimus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3215 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  SD244088  Psilocarphus brevissimus T. B. Salvato, Matt MallA^, Tom Sullivan 2013-3-27 7444 Riverside Perris-Aguanga Basin: Menifee, vacant lot north of Newcomp Substation, at southwest corner of Lazy Creek Road and Murrieta Road, (Romoland 7.5'Q) 431 Comment
  UCR116994  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2001-5-3 24103 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR111066  Psilocarphus tenellus var. globiferus D. E. Bramlet 1998-12-16 2600 Riverside maintenance road adjacent to (east of) the MWD canal & approximately 488m north from the canal crossing at the existing weather station, 701 m east of Hwy 79 and 1.22 km south of Holland Road, 50m west of the Shipley Reserve 450 Comment
  POM254726  Psilostrophe cooperi P. A. Munz 1940-3-24 15698 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
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Nov 2 2011
  OBI13264  Psorothamnus emoryi H. E. McMinn 1935-6-27 4072 Riverside Palm Cyn Comment
  RSA403988  Psorothamnus emoryi Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  UC729727  Psorothamnus emoryi Carl B. Wolf 1932-4-26 2967 Riverside on Blythe Road 3 mi e Mecca (Colorado Desert); , e of Mecca 0 Comment
  UCR244915  Psorothamnus emoryi Jim Andre 2012-3-19 21356 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  CAS-BOT-BC340912  Psorothamnus schottii David Dreyer 1971-4-3 196 Riverside West side of Salton Sea, west of Highway 89, 1 mile north of Salton City Comment
  RSA404250  Psorothamnus schottii N. C. Cooper 1949-4-8 3250 Riverside Palm Springs. 457 Comment
  SD46421  Psorothamnus schottii P. C. Everett, E. K. Balls 1956-5-2 21555 Riverside On road to Eagle Mt. Pumping Station, 4 mi. N from turn-off Hwy. 60/70, w. of Desert Center. 305 Comment
  CAS-BOT-BC340953  Psorothamnus spinosus Marcus E. Jones 1926-6-8 s.n. Riverside Palm Spring Comment
  JOTR32400  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Cottonwood Canyon, between Cottonwood and Eagle Mountains; Along Cottonwood Spring Road; Large, active, sandy wash 741 Comment
  SEINET951769  Pteridaceae Norman C. Cooper 1944-1 1085 Riverside Andreas Canyon, Riverside County 457 Comment
  RSA575917  Pteridium aquilinum var. pubescens Steve Boyd 1994-10-14 8376 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon, Fisherman's Camp. 341 Comment
  SBBG89257  Pterostegia drymarioides J. Adams 1966-4-28 729 Riverside dirt rd from Murrieta to De Luz, Santa Rosa Plateau 762 Comment
  UC2015555  Pterostegia drymarioides A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16157 Riverside Coachella Valley/San Jacinto Mtns. Foothills, alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Canyon Dr.). Comment
  UCR138649  Pterostegia drymarioides D. L. Banks 1997-3-29 1619 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
  RSA450763  Pulicaria hispanica J. C. Roos 1965-8-2 s.n. Riverside Palm Springs: along irrigation ditch on Vista del Chino, between Sunrise Way and Caballeros Ave. 122 Comment
  UCR266255  Pulicaria paludosa D. E. Bramlet 2006-7-25 4040 Riverside Perris-Aguanga Basin Region, Haddock St., Winchester 450 Comment
  RSA401600  Pycnanthemum californicum T. H. Holmes 1932-1 s.n. Riverside San Jacinto Mountains. Comment
  UCR239864  Pyrola picta O. F. Clarke 2007-7-26 s.n. Riverside Peninsular Range; San Jacinto Mtns., James Reserve 1646 Comment
  UCR274149  Quercus Mitch Provance 2012-8-30 17433 Riverside San Bernardino Mountains, Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River 1067 Comment
  RSA50465  Quercus X munzii P. A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  UCD47066  Quercus X munzii Mary L. Bowerman 1946-4-15 4100 Riverside Joshua Tree National Monument, Live Oak Tank (ca. 3 mi. W. of junction of Keyes Point and Pinto Basin highway), on sandy floor of wash. Comment
  RSA0127036  Quercus agrifolia Tom Scott 2011-04 2011 -581 Riverside San Bernardino Mtns: south side of mountains along Mias Canyon Rd., c. 0.5 mile north of Bluff St., north of Banning. 863 Comment
  SEINET13953027 Image available Quercus agrifolia Peter H. Raven 1958-1 12982 Riverside Along roadside, 3.0 miles east of junction to Aguanga San Jacinto Mountains Comment
  SEINET13953033 Image available Quercus agrifolia Martha P. Creighton 1952-1 464 Riverside 12 miles east of Hemet Comment
  SDSU14184  Quercus agrifolia var. agrifolia Kimberly S Miller, Dr. M. G. Simpson, Derek T Miller 2002-3-17 9 Riverside Santa Margarita Ecological Reserve. Outside north gate. 457 Comment
  UCR158904  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31542 Riverside San Jacinto Mtns., Bautista Canyon at confluence with Horse Creek, at entry road to Bautista Conservation Camp on main road 854 Comment
  JEPS37471  Quercus berberidifolia Frank Thornton 1903-1 Riverside Mt. San Jacinto Comment
  RSA0026265  Quercus berberidifolia Fred M. Roberts 2013-6-7 7783 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon along Chiquito Basin Trail, 1.3 kilometers NNW Upper San Juan Campground. 524 Comment
  UCR141960  Quercus berberidifolia A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24970 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR250003  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  UCR250923  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 3 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  SBBG1302  Quercus chrysolepis M. Lewis 1947-8-26 16 Riverside Dark Cyn 1981 Comment
  SD229168  Quercus chrysolepis Dick Schwenkmeyer 2012-8-27 810 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  UCSB1228  Quercus chrysolepis Neely, William 1948-10-3 Riverside Devil's Slide Trail, Idyllwild, San Jacinto Mts. 2316 Comment
  CDA37126  Quercus cornelius-mulleri Mike Lahti 2012-4-5 PDR# 1590321 Riverside Anza. Comment
  UCR106904  Quercus engelmannii D. L. Banks, Lauren Raz 1996-11-5 1160 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  UCD63202  Quercus palmeri A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22286 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy. 74, 2.1 mi. E of Hwy. 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  UCR113553  Quercus palmeri Mitch Provance 1998-4-14 441 Riverside Jurupa Mtns., Rattlesnake Mtn., Crestmore Heights, knoll (1542), c. 4.2 km NW of downtown Riverside 400 Comment
  UCSB34688  Quercus palmeri Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 11.5 mi east of Moutain Center on Calif. Hwy 74 Comment
  CAS-BOT-BC104998  Quercus wislizeni C. B. Wolf 1931-10-14 2453 Riverside Snow Crrek, 100 yds. above the Fish Hatchery, N base of San Jacinto Mts. 609 Comment
  SD260965  Quercus wislizeni Mitch Provance 2010-7-6 610 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 751 Comment
  UC1212091  Quercus wislizeni Peter M. Ray 1948-11-27 1311 Riverside Hall Canyon San Jacinto Mts. Comment
  UCR96263  Quercus wislizeni Scott D. White 1996-8-1 4445 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  UC1135917  Quercus wislizeni var. frutescens A. Lewis Mar 1934 370 Riverside Mojeska Peak Cleveland National Forest, Corona Quad. 1219 Comment
  UCSB34697  Quercus wislizeni var. frutescens Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 9 miles northwest of Idyllwild on Calif. Hwy 243, San Jacinto Mtns Comment
  UCD170548  Quercus wislizeni var. wislizeni D. O. Burge 2017-5-20 2276 Riverside San Jacinto Mountains, Lake Fulmore area, University of California James Reserve. 1640 Comment
  UCR209657  Quercus wislizeni var. wislizeni Fred M. Roberts, Robt. L. Allen 2008-6-23 7049 Riverside Santa Ana Mountains, Santiago Peak, eastern slope, Main Divide Truck Trail, at the junction with Coldwater Trail, 1.5 km east-northeast of the summit of the peak 1479 Comment
  UCR152520  Rafinesquia californica A. C. Sanders 2005-4-22 29592 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  VVC105  Rafinesquia californica A. C. Sanders 1997-5-4 20643 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  CLARK-A1528-2075  Rafinesquia neomexicana John C. Roos 1947-3-1 3304 Riverside Garnet Comment
  POM254899  Rafinesquia neomexicana P. A. Munz 1940-3-24 15707 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA799239  Rafinesquia neomexicana Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 746 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  RSA161331  Ranunculus aquatilis var. capillaceus Peter H. Raven 1958-5-17 12961 Riverside Lake Fulmor, San Jacinto Mts Comment
  UC63845  Ranunculus californicus H. M. Hall 1897-4-10 435 Riverside Pico's San Jacinto Valley (along ditch) Comment
  UC64124  Ranunculus californicus H. M. Hall Riverside meadows near Hemet Valley; San Jacinto Mts., Johnston Ranch 1463 Comment
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Mar 25 2011
  UCR207255  Ranunculus muricatus O. F. Clarke 2002-5-25 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  OBI53618  Raphanus sativus Steve Myers 1988-2-1 s.n. Riverside Boulder Springs dev, immed SE of intersection ofhwy 60 and Nason St, Moreno Valley 518 Comment
  CLARK-A1528-5196  Rhamnus crocea John C. Roos 1952-2-29 5378 Riverside Reche Canyon 457 Comment
  CAS-BOT-BC56044  Rhamnus ilicifolia H. E. McMinn 1925-7-1 1489 Riverside Control at base of grade to Idyllwild, San Jacinto Mts. Comment
  JEPS42076  Rhamnus ilicifolia C. V. Meyer Jun 1927 164 Riverside San Jacinto mt. 1706 Comment
  RSA0119873  Rhamnus ilicifolia Duncan S. Bell, Thomas Stoughton 2016-4-12 9233 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  SDSU10368  Rhamnus ilicifolia Graham A. Cribbs 1962-7-28 118 Riverside Taken at the 2000' sign 0.5 mile from the Cranston Ranger Station on Hwy 74 just north of Hemet. 610 Comment
  UCR182998  Rhus integrifolia Mitch Provance 2003-5-5 4424 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  VVC689  Rhus lancea P. J. MacKay, T. Thomas 1997-2-8 107 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  RSA495434  Rhus trilobata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2961 Riverside Vail Lake area, lower slopes of Oak Mountain 1.5 mi WSW of lake. 488 Comment
  SD187324  Rhus trilobata Scott D. White, Angelia Carey 2004-4-16 10155 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  SEINET244848  Rhus trilobata A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24925 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont Comment
  IRVC9268  Rhus trilobata var. quinata B. T. Gittins 1966-5-1 1248 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  UC1979590  Ribes amarum D. L Banks, Steve Boyd 1995-3-30 0120 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. Comment
  SBBG100243  Ribes malvaceum W. L. Halvorson 1977-4-1 77 -219 Riverside 5 mi S of Temecula on Hwy S16 Comment
  RSA3122  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2651 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  CAS-BOT-BC212233  Ribes quercetorum Scott D. White 1995-4-5 2752 Riverside SW of Juniper Flat Rd. 579 Comment
  LA205507  Ribes roezlii W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  UCR4163  Ricinus communis R. H. Sauer 1965-4-30 s.n. Riverside Peninsular Range, Intersection of Chase Drive and Skyline Drive, 3.5 mi SW of Corona 244 Comment
  UCR172277  Robinia pseudoacacia John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  CSUSB505  Rorippa nasturtium-aquaticum Pam Maynard 1974-5-17 S. N. Riverside Box Springs Mts Found growing in shallow spring in crevice at east end of Big Spring Road 670 Comment
  UC219558  Rubus parviflorus P. A. Munz 1922-7-6 6028 Riverside North Fork of Tahquitz Creek San Jacinto Mts., North Fork Tahquitz Creek 2225 Comment
  UC1951099  Rumex acetosella Scott D. White, Justin Wood 2008-6-18 12236 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Highway 79. USGS Idyllwild 7.5' Quad. Comment
  UC452559  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside railway water works, Mecca Salton Sink -57 Comment
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Feb 3 2011
  SD239867  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37695 Riverside Peninsular Range: foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1/2 mile west of Lake St. on north side of I-15, near Temescal Canyon Road undercrossing, at north edge of Concordia Ranch Road (Alberhill 7.5'Q) 370 Comment
  UCR119443  Rumex maritimus A. C. Sanders, Mitch Provance 1999-9-26 23099 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR90773  Rumex maritimus D. E. Bramlet 1995-5-5 2406 Riverside Perris-Aguanga Basin region, 7.5 km west of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs) 435 Comment
  UCR125224  Rumex salicifolius Mitch Provance, Twoc Tran 1998-5-30 567 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  LA208648  Salix exigua var. hindsiana Carl Hedin; Joseph Ewan 1932-7-9 7676 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  RSA653231  Salix gooddingii A. C. Sanders, T. B. Salvato 2000-5-30 23434 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Brandley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  SD1047  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  JOTR30777  Salix laevigata La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1887 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  SD80027  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1971-2-13 334 Riverside immediately below Andreas Canyon Clubhouse, Andreas Canyon, east slope San Jacinto Mts. Comment
  SEINET272290  Salix laevigata A. C. Sanders, G. Helmkamp 1997-3-15 19968 Riverside Lake Skinner area: lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N Skinner Reser 457 Comment
  UCR17443  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-2-13 334 Riverside Western Colorado Desert/ San Jacinto Mtns, c. 25' up from Zabriskie-335, immediately below Andreas Canyon Clubhouse, Andreas Canyon, E slope of mountains Comment
  RSA0010975  Salix lasiolepis J. D. Olmsted 1959-7-16 764 Riverside At edge of dropoff in Tahquitz Canyon below Carumba east-northeast of Idyllwild 1707 Comment
  CDA3210  Salsola tragus T. C. Fuller 1975-11-6 20115 Riverside Northeast corner of Monroe Street & Interstate 10 freeway, Indio. 0 Comment
  SDSU12909  Salsola tragus Jutta Buschbom 1991-6-15 29 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
  SD136797  Saltugilia australis Steve Boyd, Tim Ross 1992-5-15 7395 Riverside San Mateo Canyon Wilderness Area; major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  JOTR35470  Saltugilia splendens subsp. splendens Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 73 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats(stop5) 1493 Comment
  UC714913  Saltugilia splendens subsp. splendens R. C. Foster 1937-3-7 63 Riverside near aqueduct (w slope Whitewater Canyon); w slope Whitewater Canyon Comment
  NY43198  Salvia apiana J. B. Walker 1995-5-3 1406 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  RSA525453  Salvia apiana Steve Boyd, Dave Bramlet 1990-4-29 4498 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  SEINET13947245 Image available Salvia apiana C. Epling, H. Lewis 1942-1 s.n. Riverside East of Pinon Flats Comment
  SEINET4082398  Salvia carduacea O. M. Clark 1932-1 5109 Riverside South Hemet. Comment
  UCLA70112  Salvia carduacea C. Epling and J. Ewan Jun 1933 Riverside near Alberhill; Temescal Canyon Comment
  RSA339651  Salvia columbariae Robert F. Thorne, C. W. Tilforth 1980-5-28 54233 Riverside San Bernardino Mountains: Along Whitewater River, ca 3.2 miles N of Whitewater P.O. and Hwy 10. Comment
  RSA401489B  Salvia columbariae N. C. Cooper 1947-4-5 2118 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SEINET11191806  Salvia columbariae Daphne Christopher, Stevens, Hannah 2003-4-3 78 Riverside Motte Rimrock Reserve Comment
  UC1228546  Salvia columbariae C. L. Hitchcock and C. V. Muhlick 1962-3-16 22156 Riverside ca 12 mi se Corona; Temescal Canyon Comment
  UCR120959  Salvia columbariae A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23884 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR226068  Salvia columbariae A. C. Sanders, T. B. Salvato 2011-4-1 38962 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  UCR72203  Salvia columbariae Theo Glenn 1992-3-31 92- 6 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCSB5776  Salvia columbariae Broder, Richard 1958-3-1 Riverside 1.5 miles up White Water canyon Comment
  UCLA69704  Salvia eremostachya K. Watkins and E. McClintock 1937-4-10 Riverside near road to Shumway (Palms to Pines highway) Comment
  CAS-BOT-BC229986  Salvia mellifera Jennifer H. Jones 2006-6-6 384 Riverside Peninsular Ranges; Santa Ana Mtns.: Cleveland National Forest along CA Hwy 74; San Juan Loop Trail head 598 Comment
  RSA434131  Salvia mellifera Martha Hilend 1928-4-8 164 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  RSA543163  Salvia mellifera Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6093 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
  UCR140694  Salvia mellifera A. C. Sanders 2004-5-11 27846 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  RSA125249  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22670 Riverside 6.6 mi. sw. along State Hwy. 74 from Palm Village (jct. State Hwy. 111). 503 Comment
  RSA444483  Salvia vaseyi J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains: Pines to Palms Highway (74), below Dos Palmas Springs. Comment
  UC1179532  Salvia vaseyi Peter H. Raven 1958-5-6 12929 Riverside 10.2 mi sw Palm Desert (on State Highway 74); San Jacinto Mountains 762 Comment
  CSUSB692  Sambucus mexicana Becky Alejandre 1970-5-7 8 Riverside Santa Ana River bottom in [city of] Riverside. Approximately 400 feet from Fairmount Park to the west. 408 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
  UC1608295  Sambucus mexicana Steve Boyd and Tim Ross 1992-5-5 7257 Riverside along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  UCR154445  Sambucus mexicana A. C. Sanders, Mike Misenhelter 2005-6-15 30974 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
  UC1929736  Sanicula arguta Scott D. White, Justin Wood 2008-4-3 11793 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  RSA612934  Sanicula bipinnatifida D. L. Banks 1997-3-29 1643 Riverside NW Palomar Mountains, Agua Tibia 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 County line border. 463 Comment
  UCR91679  Sanicula crassicaulis Steve Boyd, Darin Banks 1995-3-30 8410 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, at W edge of the Dripping Springs alcove in tributary of Kolb Creek just east of old Woodchuck Truck Trail. 701 Comment
  UCR91064  Sarcodes sanguinea Joan Callahan 1996-6-3 s.n. Riverside San Jacinto Mtns, southern Idyllwild, 26281 Lookout road, near Marion View Rd. 1616 Comment
  SEINET3386494 Image available Schedonorus arundinaceus Mitchell Provance 2003-1 6528 Riverside San Bernardino Valley; Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  HSC101530  Schismus barbatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12752 Riverside Weedlot in Indio, CA 10 Comment
  RSA784191  Schoenoplectus J. D. Olmsted 1959-9-23 1023 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  JOTR36427  Schoenoplectus americanus La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3372 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA696128  Schoenoplectus americanus A. C. Sanders, Mark A. Elvin, Jane Rodgers 2001-8-17 24600 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  RSA92140  Schoenoplectus americanus F. W. Peirson 1921-3-20 2848 Riverside Palm Canyon, Colorado Desert. 305 Comment
  POM186279  Scirpus acutus var. occidentalis Joseph A. Ewan, C. Epling 1933-5-12 7604 Riverside South shore Lake Elsinore. Comment
  UC279706  Scirpus maritimus Edmund C. Jaeger 1925-5-18 Riverside Temecula Comment
  UC574975  Scirpus maritimus C. Epling and J. Ewan June, 1933 Riverside s shore Lake Elsinore; s shore Lake Elsinore Comment
  POM13803  Scrophularia californica subsp. floribunda Philip A. Munz 1922-4-30 5126 Riverside Hemet Butte Comment
  UCR111550  Scrophularia californica subsp. floribunda Mitch Provance 1998-5-4 1713 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  SEINET7048159  Scrophularia californica subsp. floribunda Steven R. Hill 2001-5-3 33660 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
  OBI71050  Scutellaria mexicana Larry Kelly, David J. Keil 1988-4-16 55 Riverside Ca. 5 mi from hwy 10 on rd through Ocatillo garden, and cholla patch in Joshua Tree natl Monument Comment
  SD144094  Searsia lancea A. C. Sanders, P. MacKay, T. Thomas & G. Helmkamp 1997-2-8 19686 Riverside Colorado Desert/San Jacinto Mtns.: Palm Springs area, Murray Canyon off Palm Canyon. 244 Comment
  UCR128301  Sedum spathulifolium Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8650 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
  UCR113155  Selaginella bigelovii A. C. Sanders 1998-1-15 21648 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  RSA612914  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 176 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  CAS-BOT-BC363484  Senecio californicus C. L. Hitchcock 1966-3-16 24187 Riverside Hills about 5 miles n.e. of Aguanga Comment
  PASA1361  Senecio douglasii Mary Hall 1939-5-27 Riverside San Jacinto river 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
  UC667290  Senecio flaccidus var. monoensis Annie M. Alexander and Louise Kellogg 1941-5-9 2142 Riverside along road on plateau n Cottonwood Spring; Colorado Desert, Eagle Mountains, Cottonwood Spring 883 Comment
  RSA0122704  Senecio mohavensis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9060 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  JOTR34185  Senecio vulgaris La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3235 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCSB37919  Senecio vulgaris Roos, John 1967-2-7 Riverside Hemet; in parking lot along a street Comment
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Mar 23 2014
  RSA796750  Senna armata Jim Andre 2012-4-11 20839 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UCR59862  Sesamum orientale J. M. Stewart 1989-11-20 639 Riverside Western Colorado Desert, Interstate Hwy 10, east of Indian Avenue, North Palm Springs Comment
  OBI40097  Sesbania herbacea A. C. Sanders 1985-8-24 5950 Riverside Near Oasis in the lower Coachella Valley, On the E side of hwy 195, ca 1/2 mi N of the intersectin with Hwy 86 and just N of Ave. 76 52 Comment
  CAS-BOT-BC438205  Sesuvium verrucosum A. C. Sanders; D. Bramlet; Mihai Costea; T. Salvato 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR110403  Sesuvium verrucosum A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23186 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR84473  Sesuvium verrucosum Steve Boyd, D. Banks 1994-9-29 8372 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  CAS-BOT-BC240202  Setaria viridis Lewis S. Rose 1957-1-9 57024 Riverside La Quinta 15 Comment
  UCR225166  Sherardia arvensis Steve Boyd 2005-7-4 11633 Riverside Coastal Plains & Basins; San Bernardino Basin region, City of Riverside, Wood Steets neighborhood, southeast of confluence of Arroyo Tequesquite and Santa Ana River, northeast corner of Brockton Ave. and Beechwood Place. 244 Comment
  RSA734205  Sidalcea malviflora subsp. sparsifolia Keith E. Hoffmaster 1937-6-6 787 Riverside San Jacinto mountains, near Hemet Lake Comment
  UC489141  Sidalcea malviflora subsp. sparsifolia C. V. Meyer June 1927 197 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  UCR23558  Sidalcea neomexicana John C. Roos 1966-5-19 s.n. Riverside San Jacinto Valley, 3 mi. west of San Jacinto Comment
  CAS-BOT-BC109426  Sidotheca emarginata Philip A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  POM13244  Silene antirrhina P. A. Munz, I. M. Johnston 1922-5-19 5357 Riverside 5 miles NE of Murietta. 457 Comment
  CAS-BOT-BC384578  Silene coniflora Steve Boyd; Darin Banks 1994-4-5 8264 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero 762 Comment
  RSA34600  Silene laciniata subsp. major N. C. Cooper 1944-6-4 1318 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  SDSU4525  Silene laciniata subsp. major Garrison 1962-7-16 8 Riverside 3 miles south of Temecula, on highway 395. 335 Comment
  CAS-BOT-BC389581  Silene parishii Carl B. Wolf 1932-8-5 3981 Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  SEINET2055074 Image available Silybum marianum Nadine Tolkan 1970-5-19 15 Riverside Natural area W of Fairmont Park 304 Comment
  CAS-BOT-BC183262  Simmondsia chinensis James R. Shevock 1986-3-23 11355 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  CAS-BOT-BC202947  Simmondsia chinensis Paul F. Covel 1938-4-21 1178 Riverside East slope, Palms-Pines Hgwy. Comment
  JOTR31875  Simmondsia chinensis La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2129 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  POM87310  Simmondsia chinensis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC921125  Simmondsia chinensis V. D. Miller 1945-5-15 Riverside Cottonwood Springs 914 Comment
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Oct 9 2010
  UCR139204  Simmondsia chinensis Percy C. Everett 1939-7-7 9525 Riverside Peninsular Range, 4 mi north of Temecula-Aguana Road [Hwy 79] on road [Sage Rd.] to Hemet 762 Comment
  SD132409  Sisymbrium erysimoides O. F. Clarke 1973-4-1 Riverside Riverside, Corner of Spruce and Rustin Streets. Comment
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Mar 4 2017
  UCD115453  Sisymbrium erysimoides A. C. Sanders 1988-1-18 7589 Riverside Riverside, west end of the Box Springs Mountains on S-facing slopes of Sugarloaf Peak. 579 Comment
  RSA715942  Sisymbrium irio Scott D. White, Angelia Carey 2004-4-5 10029 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA779635  Sisymbrium irio Duncan S. Bell 2010-4-1 668 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  UCR20705  Sisymbrium irio A. C. Sanders, Steve Boyd 1980-5-2 1431 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 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
  RSA719076  Sisymbrium irio Michael Honer 2005-3-18 2090 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  RSA366976  Sisyrinchium bellum N. C. Cooper 1944-4-22 1134 Riverside Banning. 762 Comment
  UCR216231  Sisyrinchium bellum Mike Bell 2008-4-27 011 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 538 Comment
  RSA629021  Solanum americanum Scott D. White 1998-6-28 6789 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  SEINET3078210 Image available Solanum douglasii Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi NE of intersection of Van Buren Blvd. & Mockingbird Canyon Rd. 365 Comment
  CLARK-A1528-893  Solanum elaeagnifolium Charlotte Stocks 1963-5-23 Riverside Coachella Valley Comment
  UC2030135  Solanum parishii Scott D. White 2000-5-3 7759 Riverside TEMECULA AREA: Near Wolf Valley. Valley and hillsides along unamed tributary to Temecula Creek, directly S of Red Hawk subdivision. Comment
  RSA585640  Solanum umbelliferum D. L. Banks, Steve D. Boyd 1995-3-15 75 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area N face of Agua Tibia Mtn., Dorland Mtn. area. 806 Comment
  RSA717462  Solanum umbelliferum Scott D. White 2006-4-28 11319 Riverside Elsinore Basin: Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  CLARK-A1528-4376  Solanum xanti John C. Roos 1952-2-29 5376 Riverside Reche Canyon Comment
  NY820479  Solanum xanti C. B. Wolf 1936-6-17 7953 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. line 366 Comment
  JOTR01289  Sonchus asper subsp. asper Cole, James E. 1941-5-27 794 Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  UCR182349  Sonchus oleraceus Mitch Provance 2005-5-17 6591 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
  RSA587426  Sonchus oleraceus D. L. Banks, S. D. Boyd 1995-6-2 0570 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  RSA674590  Spergula arvensis Scott D. White 2000-5-5 7776 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UCR75529  Spergularia bocconi A. C. Sanders 1993-5-12 14014 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  RSA0097872  Spergularia bocconi R. E. Riefner 1998-3-22 98 -190 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  RSA0098523  Spergularia marina Steve Boyd, David E. Bramlet 1996-4-19 8603 A Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  CDA25222  Spergularia platensis A. C. Sanders 1993-4-5 13682 Riverside San Jacinto Valley; W edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) Comment
  UCR134652  Spergularia rubra Mitch Provance 1998-4-9 406 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  SD136864  Spergularia villosa Steve Boyd, Orlando Mistretta 1992-4-22 7021 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Indian Potrero Trail south from Verdugo Potrero to Indian Potrero. 609 Comment
  LA206869  Sphaeralcea ambigua Joseph Andorfer Ewan; 1930-4-18 3101 Riverside Morongo Creek below Morongo Valley 518 Comment
  POM122993  Sphaeralcea ambigua Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver s Well, near Mecca, Colorado Desert. Comment
  UCSB4090  Sphaeralcea ambigua Olsen, Meryl 1954-4-7 Riverside At the end of Ramon Road in Palm Springs 30 Comment
  RSA709642  Sphaeralcea ambigua subsp. rugosa Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9023 Riverside Santa Rosa Mtns.: ca. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74. 1402 Comment
  UC1979869  Sphaeralcea ambigua var. ambigua Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 777 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, just south of Shaver's well. Comment
  UC871632  Sphaeralcea ambigua var. ambigua I. W. Clokey 1935-4-17 6745 Riverside Cottonwood Springs Comment
  UCR200258  Sphaeralcea ambigua var. rugosa J. M. Porter, Orlando Mistretta 2003-6-5 13613 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  RSA353592  Sphaeralcea laxa A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6145 Riverside Corn Spring, Chuckawalla Mtns, wash below the spring and wash and rocky slopes to the south. 488 Comment
  UC20425 Image available Sphaerostigma hallii H. M. Hall 1897-4-17 446 Riverside Banning, edge of Colorado Desert Colorado Desert; Banning, edge of Colorado Desert, Riverside Co. Comment
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Mar 21 2011
  RSA797249  Sphenosciadium capitellatum R. F. Thorne, Walter Wisura 1977-9-17 50787 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  LA7813  Sporobolus airoides A. M. Johnson; 1937-11-26 111 Riverside Gilman Hot Springs Comment
  UCR158858  Stachys ajugoides Scott D. White 1994-6-23 2091 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  POM123007  Stachys rigida subsp. rigida Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM49370  Stachys stebbinsii F. W. Peirson 1924-6-2 s.n. Riverside Near foot of Temescal canyon. Comment
  UCR174249  Stachys stebbinsii A. C. Sanders, T. B. Salvato 2006-6-2 33064 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR87849  Stachys stricta Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  UC68530  Stanleya pinnata H. M. Hall May, 1905 5997 Riverside Cottonwood Pass Colorado Desert, Cottonwood Pass 457 Comment
  RSA747279  Stephanomeria Orlando Mistretta 1992-6-10 s.n. Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  RSA747722  Stephanomeria exigua subsp. exigua Justin M. Wood 2009-3-26 405 Riverside Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  OBI75945  Stillingia linearifolia James M. Andre 2011-2-2 16236 Riverside Coachella Valley; mouth of Big Morongo Wash, 1 mi E of Hwy 62, just N of N Indian Cyn Rd, W of Desert Hot Spgs, 7.5 mi N of I-10 486 Comment
  RSA716374  Stillingia linearifolia Scott D. White 2006-4-27 11292 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  SEINET3243799  Stillingia linearifolia Annie M. Alexander, Louise Kellogg 1941-1 2240 Riverside Monsen Canyon, Eagle Mountains. 914 Comment
  UCR121095  Stillingia linearifolia A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24965 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR227005  Stillingia linearifolia Jim Andre 2011-2-2 16236 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  RSA457883  Stillingia spinulosa Ora M. Clark 1929-3-17 1736 Riverside West of Indio. Comment
  RSA76960  Stillingia spinulosa F. W. Peirson 1921-4-12 2044 Riverside Near Indian Wells. Comment
  UC1329968  Stillingia spinulosa James E. Cole 1941-5-18 731 Riverside Joshua Tree National Monument 518 Comment
  UCR18058  Stillingia spinulosa Hap Ritter, Paul Mack 1976-5-20 s.n. Riverside Sonoran (Colorado) Desert, dunes off of Wiley's Well Road 152 Comment
  UCR26191  Stillingia spinulosa John C. Roos 1937-4-28 1286 Riverside Sonoran (Colorado) Desert, Between Rice and Desert Center [on Rice Road, hwy 177] Comment
  UCR278800  Stipa capensis Richard Minnich 2017-3-5 s.n. Riverside San Jacinto Mountains, base of a small ridge spur above the Blaisdell Canyon alluvial fan 321 Comment
  OBI42548  Stipa cernua B. Pitzer & K. Kirthland, K. Kirthland 1986-5-6 200 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) Comment
  UCR174044  Stipa lepida A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32522 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  RSA0119896  Stipa speciosa Duncan S. Bell, Thomas Stoughton 2016-4-12 9226 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  RSA739086  Streptanthella longirostris J. Russell Bruff 1932-3-22 s.n. Riverside 1000 Palm Comment
  RSA429511  Streptanthus campestris R. S. Woglum 1937-5-22 590 D Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  UCR22119  Stylocline gnaphaloides Steve Boyd 1980-5-11 224 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  SBBG72658  Suaeda moquinii R. Hoffmann 1929-2-9 Riverside Mecca Comment
  UC592752  Swertia parryi Carl B. Wolf 1936-6-17 Riverside n end La Cienega (Tenaja Road); Santa Ana Mts. 731 Comment
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Sep 24 2011
  SD146044  Symphyotrichum defoliatum A. C. Sanders, Mitch Provance 1999-9-26 23078 Riverside San Jacinto Mountains; McMullen Flat, ca., 1.0 km northwest of Valley High County Park. 1195 Comment
  SD186355  Tamarix ramosissima Andy C. Sanders 2004-6-20 28214 Riverside Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR43484  Tamarix ramosissima R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54091 Riverside San Bernardino Mtns, Flood plain (wash) along Whitewater River, c. 3 mi north of Whitewater Post Office 591 Comment
  UCR114832  Taraxacum officinale Mitch Provance 1998-7-23 915 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  CAS-BOT-BC202586  Tetracoccus hallii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9540 Riverside 2 miles from Cottonwood Springs, Cottonwood Mts. Comment
  POM184721  Tetracoccus hallii C. L. Hitchcock 1932-4-7 12210 Riverside 5 miles S of Cottonwood Springs, East Riverside County. Comment
  RSA577346  Tetracoccus hallii A. M. Alexander, Louise Kellogg 1941-5-9 2138 Riverside Eagle Mountains: 1.5 miles N of Cottonwood Spring 976 Comment
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Oct 9 2010
  UCR264223  Tetracoccus hallii A. C. Sanders 2015-9-11 41871 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  UCR21994  Tetradymia comosa Steve Boyd 1980-7-12 325 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  JOTR16842  Thamnosma montana Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. UPPER WILSON CANYON 914 Comment
  LA208491  Thamnosma montana Harlan Lewis; 1935-4-7 Riverside Whitewater 1828 Comment
  RSA0120475  Thamnosma montana Duncan S. Bell 2016-3-13 8929 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  RSA449374  Thamnosma montana L. E. Hoffman 1933-2-18 s.n. Riverside Coachella Valley (near Garnet). 345 Comment
  UCR279351  Thamnosma montana A. C. Sanders, Jim Malusa 2017-3-23 42919 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  RSA0013617  Thysanocarpus curvipes LeRoy Gross, Duncan S. Bell 2013-4-30 6024 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA0074057  Thysanocarpus curvipes subsp. curvipes Steve Boyd, Tim Ross 1990-5-11 4684 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR265574  Thysanocarpus laciniatus Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 14 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  SEINET10970805  Tidestromia oblongifolia Lewis S. Rose 1935-12-19 Rose 35671 Riverside Colorado Desert. La Quinta. Desert wash. 30 Comment
  RSA70006  Tidestromia oblongifolia subsp. oblongifolia F. W. Peirson 1924-12-30 5416 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  SBBG1850  Tidestromia suffruticosa var. oblongifolia H. and M. Dearing 1938-3-6 972 Riverside Box Cyn, N of Mecca Comment
  POM368516  Tiquilia palmeri E. C. Jaeger 1921-4-2 s.n. Riverside Edom, colorado Desert of California, alt 200ft. Plentiful along the North eastern border of the desert from here to Niland, Riverside County 61 Comment
  UC604864  Tiquilia plicata Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9566 Riverside 2 mi. up Painted Canyon; Colorado Desert, Mecca Hills Comment
  UC61546  Tiquilia plicata Miss Mary McKibben 1904-4-6 Riverside Mecca Colorado Desert, Mecca -60 Comment
  UC881484  Tiquilia plicata Alice Eastwood 1913-4-30 3006 Riverside Palm Springs Comment
  HSC94218  Toxicodendron diversilobum D. Atwood 1993-3-26 17665 Riverside Santa Ana Mtns., 1.5 mi. S of Lake Elsinore, along Hwy. 74 671 Comment
  CAS-BOT-BC323060  Trichocoronis wrightii Julie Greene; Steve Boyd; Dave Bramlet; Hilda Flores; Helga Ochoterana 1993-7-9 1430 Riverside San Jacinto Wildlife Area 432 Comment
  POM13343  Trichoptilium incisum P. A. Munz, D. D. Keck 1922-4-9 4840 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  POM310169  Trichoptilium incisum Hulda Crooks 1946-3-2 281 Riverside E of Palm Springs 137 Comment
  UC1531145  Trichoptilium incisum Robert F. Thorne, W. Wisura, A. Shmida, and R. Whittaker 1978-4-23 52015 Riverside Chino Canyon, Palms to Pines Highway San Jacinto Mountains Comment
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Apr 24 2011
  UCSB11494  Trichoptilium incisum Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon, Colorado Desert Comment
  RSA588805  Trichostema lanceolatum D. L. Banks, Steve D. Boyd 1995-10-17 758 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
  UCR114202  Trichostema lanceolatum A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23641 Riverside Perris-Aguanga Basin Region, French Valley, near south end of Briggs Rd. on east side of Hwy 79, near industrial park, c. 0.5 km SE of Adobe Spring 384 Comment
  UC63792  Trichostema parishii H. M. Hall 1897-5-1 5221 Riverside San Jacinto Mountains, W base Southern California 762 Comment
  RSA192120  Trifolium ciliolatum E. W. Lathrop 1966-5-8 6266 Riverside 5 miles west of Murrieta. Comment
  UC2030067  Trifolium depauperatum var. truncatum Steve Boyd 2001-4-12 10416 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Gavilan Hills: Gavilan Hills Region: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UC219068  Trifolium depauperatum var. truncatum P. A. Munz 1922-4-29 5067 Riverside 1/2 mi s Lake Elsinore 381 Comment
  RSA760322  Trifolium microcephalum Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55218 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  UC64630  Trifolium obtusiflorum H. M. Hall 1896-5-3 274 Riverside Box Spring Mtn Riverside vicinity 822 Comment
  UCR20977  Trifolium truncatum A. C. Sanders 1980-5-17 364 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  POM12095  Trifolium variegatum Mary F. Spencer 1921-6-15 1738 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  RSA338586  Trifolium variegatum A. C. Sanders 1980-7-19 1693 Riverside San Jacinto Mountains. James Reserve in Hall Canyon above Lake Fulmor, 3.5 mile NW of Pine Cove. Alt 5600ft. T4S, R2E, SE/4 S21. 1707 Comment
  RSA500164  Trifolium variegatum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3636 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA741183  Trifolium variegatum Scott D. White, Justin M. Wood 2008-6-16 12115 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR1043  Trifolium wormskioldii J. E. Dimitman 1957-5-18 s.n. Riverside San jacinto Mtns., Bautista Canyon 610 Comment
  RSA0043055  Trixis californica Duncan S. Bell, Evan Meyer 2014-4-1 6486 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of this range; approximately 4.75 air miles northwest of Gucci Spring; approx. 5 air miles north of the Bradshaw Trail. 759 Comment
  RSA171050  Trixis californica R. F. Thorne 1963-3-29 32431 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 533 Comment
  UCR90306  Trixis californica F. M. Reed 1922-5-17 4808 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, near Palm Springs 213 Comment
  UCSB17148  Trixis californica Winn, Will 1963-5-5 Riverside 9.6 miles northeast of Pinyon Flats on State Highway 74 487 Comment
  JEPS9147  Trixis californica var. californica Marjorie D. Clary 1932-4-3 1668 Riverside 15 mi sw Indio (Colorado Desert); , Deep Canyon 304 Comment
  CLARK-A1528-371  Tropidocarpum gracile Karen Cook 1966-3-17 Riverside Corona 274 Comment
  RSA428382B  Tropidocarpum gracile Ora M. Clark 1929-3-2 1612 Riverside Near Murrieta. Comment
  UC410722  Turricula parryi Mrs. E. C. Van Dyke Jul 22 1928-Jul 28 1928 Riverside Idyllwild Comment
  RSA759118  Turricula parryi Robt. Allen, Richard Newell 2007-6-19 s.n. Riverside Peninsular Ranges; Santa Ana Mountains region: Santiago Peak, 164 m N of summit marker, near two towers, N-facing slope near road, on a small parcel that burned last year. Patch is barely within Riverside Co. 1727 Comment
  SD227770  Turritis glabra Scott D. White 1997-5-18 5160 Riverside Vista Grande Area: Just W of USFS Vista Grande Fire Stateion (i.e., Hwy 243 ca. 10 road miles SE of Banning). 1477 Comment
  UCR103452  Typha domingensis Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, where trail crosses Horsethief Creek 1341 Comment
  UCR22010  Typha latifolia Steve Boyd 1980-7-20 s.n. Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SDSU13830  Venegasia carpesioides W. Miller Riverside Comment
  UCR8023  Verbascum virgatum O. F. Clarke 1968-5-21 s.n. Riverside Riverside. O.F.C. Residence, 1012 Spruce Street 305 Comment
  UCR149390  Verbesina encelioides Scott D. White 2003-12-1 9889 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  RSA713788  Veronica peregrina subsp. xalapensis A. C. Sanders, Kelly Volansky 2005-3-17 29207 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Springs, near San Diego Aqueduct. 412 Comment
  UCR202932  Veronica peregrina subsp. xalapensis Scott D. White, Justin M. Wood 2008-7-9 12434 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  RSA0094789  Vicia villosa Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7935 B Riverside San Gorgonio Pass area, between Cabazon and Whitewater, just south of Interstate 10, where the Pacific Crest Trail passes under the freeway. 397 Comment
  UCR133419  Vicia villosa Mitch Provance, J. S. Ross 1998-3-27 MOR- 939 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, S entrance to Hathaway Cyn., near the corner of Verdugo Rd. and Hathaway Cyn. Rd. 732 Comment
  JOTR28746  Viguiera parishii La Doux, Tasha, Ileene Anderson 2004-10-4 1639 Riverside Joshua Tree National Park. STOP 1 = Little SB Mtns; above Keys Ranch 1277 Comment
  UC1929994  Vitis girdiana Scott D. White 2004-4-26 10265 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  UCR35314  Vitis girdiana L. B. Ziegler 1971-9-29 429 Riverside Near De Luz 137 Comment
  SD185088  Vulpia microstachys A. C. Sanders 2005-4-21 29562 Riverside Gavilan Hills, south of Harford Springs County Park and Ida Leona Road. 622 Comment
  SD138008  Vulpia microstachys var. ciliata Darin L. Banks 1995-5-9 393 Riverside Agua Tibia Wilderness Area, N. face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground 2360 Comment
  CAS-BOT-BC183742  Vulpia microstachys var. confusa Victor Duran 1932-5-18 3219 a Riverside [Idylwild] Idyllwild, San Jacinto Mountains Comment
  SEINET10609150  Vulpia myuros var. myuros Philip A. Munz 1932-3-14 Munz 11994 Riverside Common in sandy flats, edge of wash, Deep Canyon, Coachella Valley. 91 Comment
  RSA36555  Vulpia octoflora Sara M. Schenck 1941-4-25 s.n. Riverside Joshua Tree National Monument Comment
  RSA85570  Vulpia octoflora J. C. Roos 1952-4-9 5483 Riverside Fairmount Park 259 Comment
  CLARK-A1528-1501  Washingtonia filifera John C. Roos 1943-12-19 2762 Riverside Pushawalla Canyon Comment
  RSA787695  Wislizenia refracta subsp. palmeri Duncan S. Bell 2012-4-5 3307 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 131 Comment
  CAS-BOT-BC77881  Woodwardia fimbriata Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4001 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  SD255019  Woodwardia fimbriata R. F. Thorne, E. W. Lathrop 1977-5-18 49725 Riverside Santa Ana Mountains: Bera Spring (East slope of Santiage Peak) Comment
  RSA779749  Xylorhiza cognata Duncan S. Bell, Joshua Paolini, Christopher Galley 2011-7-8 2750 Riverside Southwest section of the Orocopia Mountains, nearing the southeast section of the Mecca Hills, along the Coachella Canal road approximately 0.8 air mile southeast of where the Coachella Canal crosses Hidden Springs Canyon. 25 Comment
  SBBG19003  Xylorhiza cognata H. and M. Dearing 1939-2-10 4633 Riverside Painted Cyn, near Mecca Comment
  SBBG60622  Xylorhiza cognata M. N. Ackley -Feb-1926 180 Riverside near Shaver's Well 365 Comment
  UCR274572  Xylorhiza cognata Michelle Murphy-Mariscal, Kathleen D. Fleming 2014-4-16 XYCO- 16 Riverside Sonoran (Colorado) Desert, Mecca Hills, Painted Canyon, in slot canyon NE of main canyon 229 Comment
  HSC25818  Xylorhiza tortifolia Richard Spjut 1972-3-20 2290 Riverside Colorado Desert, N-face of Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center, around Morongo Basin and at the N base of the San Bernardino Mts. 305 Comment
  UC1009484  Yucca brevifolia J. M. Webber 1945-4-5 426 Riverside Citrus Experiment Station Riverside Comment
  POM160683  Yucca schidigera Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colorado Desert Comment
  RSA741585  Yucca schidigera Scott D. White, Justin M. Wood 2008-6-17 12188 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UCR262280  Yucca whipplei A. C. Sanders 2006-5-13 32281 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR277548  Zannichellia palustris Mitch Provance 2003-4-5 17199 Riverside San Bernardino Valley, Riverside, Santa Ana River, Fairmont Park, N side of Lake Evans, adjacent to the bike path on the N side of Dexter Dr., just W of the American Legion and the historic Boy Scouts Camp. 241 Comment
  UCR95741  Zannichellia palustris L. C. Wheeler 1957-11-30 7275 Riverside Sonoran (Colorado) Desert, Coachella drainage ditch, c. 1.5 mi SSE of Thermal -43 Comment
  RSA263749  Zigadenus fremontii E. W. Lathrop 1968-5-8 7022 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UC64094  Zigadenus fremontii H. M. Hall 1897-3-13 383 Riverside Alice Mine Vicinity of Winchester 426 Comment
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Mar 20 2011
  POM299243  Ziziphus obtusifolia var. canescens A. M. Alexander, Louise Kellogg 1941-5-10 2143 Riverside 1.5 miles north of Cottonwood Spring. Eagle Mountains. 976 Comment
  NY42675  Ziziphus parryi J. B. Walker 1995-3-21 1269 Riverside W of Palm Desert, along Hwy 79, 3km E of Pinyon Flat Campground 1200 Comment
  SBBG118436  Ziziphus parryi J. Henrickson 1979-4-7 17817 Riverside 18 mi NW of Borrego Springs, SE of Terwilliger to upper Coyote Cyn, N of Fig Tree Cyn 548 Comment
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Mar 9 2009
  JEPS41936  Ziziphus parryi var. parryi Adele Lewis Grant 1936-1-4 3000 a Riverside at top Morongo Pass (on way to 29-Palms); Mohave Desert 731 Comment
  UC1071533  Ziziphus parryi var. parryi R. St. John 1929-3-26 17 Riverside San Gorgonio Pass San Jacinto Quad., San Gorgonio Pass 457 Comment
  RSA285970  Zygophyllum fabago T. C. Fuller 1969-7-16 18681 Riverside E side of Cottonwood St, 0.5 mi S of Hobson Way, Blythe. Comment



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