Search Results — 2000 specimen records retrieved (1887 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
  RSA518549  Abies concolor F. C. Vasek 1977-11-25 771125 -12 Riverside San Jacinto Mountains, area around Cincos Posas Spring, below Black Mountain Look Out. Comment
  CSUSB1081  Abronia villosa P. A. Rauch 1968-2-22 Riverside San Gorgonio Wash. Comment
  UCR233709  Abronia villosa Duncan S. Bell 2010-5-1 870 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 11 air miles west of Rice, at the junction of Hwy 62 and the aqueduct access road 242 Comment
  POM248343  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-4-6 6609 Riverside Hemet 500 Comment
  RSA19900  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-8-21 s.n. Riverside Hemet Lake 1300 Comment
  UCR101523  Abronia villosa var. aurita D. L. Banks, Lauren Raz 1996-11-5 1183 Riverside NW Palomar Mtns., Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along main road in the reservation, c. 0.2 mi. east of the church, across from the local cemetery. 378 Comment
  UCR122529  Abronia villosa var. aurita George K. Helmkamp, E. A. Helmkamp 2001-5-20 6682 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  UCR127579  Abronia villosa var. villosa D. E. Bramlet 2003-5-28 3455 Riverside San Gorgonio wash, along dirt road to MWD tailings site, 1768m south of Cabazon, and 762m north of the Colorado aqueduct 545 Comment
  OBI37501  Abutilon palmeri A. C. Sanders 1982-11-24 3272 Riverside In the UCR Botanic Garden; Above Alder Cyn near the Garden Office Comment
  PASA2705  Acacia greggii Stason 1930-3-30 Riverside Painted Canyon Comment
  RSA414903  Acacia greggii var. arizonica Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Andreas Canon. Comment
  RSA414906  Acacia greggii var. arizonica L. C. Wheeler 1933-12-1 2285 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  UCSB8490  Acamptopappus sphaerocephalus Muller, Cornelius 1953-3-21 Riverside In White Water Canyon Comment
  JEPS23587  Acamptopappus sphaerocephalus var. sphaerocephalus Peter H. Raven 1958-5-18 12996 Riverside 4.9 mi ne, along State Highway 74 Pinon Flats; San Jacinto Mountains Comment
  UCR18592  Acer negundo John C. Roos 1952-6-25 5790 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  SEINET223686 Image available Achnatherum coronatum Mary E. Barkworth 1981-1 3407 Riverside Riverside/San Diego CO: Near Aguanga. 914 Comment
  SBBG29382  Achnatherum hymenoides D. Myrick 1968-3-4 1807 Riverside Country Club Rd at E edge of Palm Desert 60 Comment
  CAS-BOT-BC210884  Achnatherum parishii subsp. depauperatum H. M. Hall 1901-6-1 2309 Riverside San Jacinto Mountains. Near Tauquitz [Tahquitz] 2133 Comment
  RSA423490A  Achyronychia cooperi Howard Mullins 1931-4-11 s.n. Riverside Palm Springs (3 miles no.) Comment
  SEINET3005054  Achyronychia cooperi G. Rink 2011-4-29 10492 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UCSB39038  Acmispon argyraeus Jorgensen, Jan 1982-1-19 Riverside 1 kilometer up Carrizo Road from Highway 74 north of Palm Desert, San Jacinto Mountains 1100 Comment
  SD234950  Acmispon brachycarpus R. E. Jr. Riefner 2005-8-28 05 649 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  SEINET957562  Acmispon heermannii S. Boyd 1982-1 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, at the northern end of the entreched meander of Temescal Creek at the western base of Estelle Mountains. 1080 Comment
  UCR178317  Acourtia microcephala T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 622 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR261509  Acourtia microcephala A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41731 Riverside Temesal Canyon, south of Glen Eden Rd. on the crest of an alluvial ridge, south of I-15 and Lee (Corona) Lake 384 Comment
  CAS-BOT-BC182446  Adenophyllum porophylloides Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11212 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road... Comment
  HSC5472  Adenophyllum porophylloides C. L. Hitchcock, C. V. Muhlick 1964-3-22 23270 Riverside Pinto Basin; Joshua Tree National Monument Comment
  RSA162790  Adiantum aleuticum J. D. Olmsted 1959-7-16 760 Riverside San Jacinto Mts. 1/2 mi. below Carumba on Tahquitz Cr., 8 mi. east of Idyllwild (below dropoff) 2073 Comment
Read comments
Mar 21 2011
  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
  CAS-BOT-BC295627  Agnorhiza ovata Peter H. Raven 1962-5-18 17761 Riverside Mail Divide Truck Trail 3 miles above Ortega Highway 1005 Comment
  SDSU6852  Agoseris retrorsa T. Bruhns 1965-5-22 111 Riverside Slope around girl's dormitory of Desert Sun School in Idyllwild. Comment
  RSA384930  Agrostis idahoensis M. B. Dunkle 1933-7-22 3752 Riverside Tahquitz Valley. 2317 Comment
  UCR171983  Alchemilla occidentalis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  RSA469418  Aliciella latifolia Robert Gustafson 1980-4-3 1520 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  SBBG81636  Aliciella latifolia subsp. latifolia S. A. Junak 1983-3-23 1636 Riverside E side of Jefferson Rd, across from entrance to Cahuilla Lake County Park Comment
  POM13892  Allionia incarnata P. A. Munz, D. D. Keck 1922-4-9 4828 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA777332  Allionia incarnata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 829 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UCR19112  Allionia incarnata John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  UCR256701  Allionia incarnata Duncan S. Bell 2012-3-18 3228 Riverside Sonoran (Colorado) Desert, Mecca Hills; mouth of Box Canyon, north side of Coachella Canal 14 Comment
  RSA778399  Allionia incarnata Amber Swanson 2011-10-9 650 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  UCSB748  Allium burlewii Ralph, F. 1959-5-16 Riverside Top of Devil's slide Trail; San Jacinto Mtns. Wilderness area 2621 Comment
  SD127566  Allium fimbriatum var. munzii Steve Boyd 1986-4-22 1778 Riverside Gavilan Hills, east edge of plateau remnant of ridge, east of Estelle Mountain, south of Dawson Canyon. Grassy opening in coastal sage scrub (recently burned) on clayey soil over cobble. 671 Comment
  RSA585523  Allium haematochiton Darin L. Banks, Steve Boyd 1995-5-9 385 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UCR281245  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 72 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  RSA559944  Allium munzii Steve Boyd 1992-4-18 6905 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  RSA366486  Allium parishii Frances L. Cramer 1941-5-3 20322 Riverside Joshua Tree National Monument Comment
  UCR177633  Allophyllum divaricatum John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., near Reed Valley on powerline trail west of Juan Diego Flats, NW of Cahuilla Mountain 1067 Comment
  LA210332  Allophyllum glutinosum Harlan Lewis; E. McClintock 1941-6-29 Riverside Gavilan Hills-Gavilan Plateau, Santa Rosa Rd Canyon 5 mi from Pines to Palms Highway Comment
  LA204065  Alnus rhombifolia Louis C. Wheeler; 1933-12-2 2301 Riverside San Jacinto Mountains, Tahquitz Canyon 2438 Comment
  RSA385638  Alopecurus saccatus Christopher Davidson 1977-5-25 5648 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  UCR93481  Amaranthus blitoides A. C. Sanders, S. Ogg 1994-7-28 15185 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  UCR40472  Amaranthus retroflexus Steve Boyd 1985-7-23 1025 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  SEINET1076094 Image available Ambrosia acanthicarpa G. Helmkamp 1986-4-7 763 Riverside Canyon just E of and parallel to Highway 62; BLM land N of Indian Ave. 579 Comment
  UCR3416  Ambrosia acanthicarpa Heidi A. Haid 1964-5-19 64519- 1 Riverside east end of Blaine St. at Box Springs Mtn. 428 Comment
  RSA416971  Ambrosia dumosa Martha Hilend 1928-3-25 s.n. Riverside Painted Canyon. Comment
  RSA643465  Ambrosia dumosa A. C. Sanders, K. Rose 1995-4-27 16744 Riverside Coachella Valley: foot of the Little San Bernardino Mountains, canyon E of Fan Hill, just outside Joshua Tree National Park. 550 Comment
  RSA668359  Ambrosia dumosa Carol R. Annable 1995-3-10 2261 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  UC1329946  Ambrosia dumosa James E. Cole 1941-4-13 569 Riverside .5 mi n Meek's Cabin; Joshua National Monument, Pinto Pass Comment
  UCR214716  Ambrosia dumosa A. C. Sanders 2010-3-23 37545 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  SEINET11855137  Ambrosia dumosa E. A. Purer 1935-1 6455 Riverside western Colorado Desert Comment
  CAS-BOT-BC30798  Ambrosia ilicifolia Edmund C. Jaeger 1921-4-12 s.n. Riverside Aztec Wash. Chuckawalla Mts. Comment
  CLARK-A1528-1538  Ambrosia ilicifolia Edmund C. Jaeger 1946-12-29 3193 Riverside Chuckwalla Mountains 304 Comment
  RSA93686  Ambrosia psilostachya F. W. Peirson 1920-12-29 5276 Riverside Murray Canyon near Palm Springs. Comment
  RSA615546  Ambrosia pumila Fred M. Roberts 1997-6-29 5043 Riverside Warm Springs Valley: Nichols Road, 0.3 km by road W jct. I-15 near head of Walker Canyon, ca 2.8 km NW Lake Elsinore. 117 Comment
  UCR172613  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32373 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  CAS-BOT-BC272881  Ambrosia salsola J. Beley 1974-2-20 0436 Riverside Thousand Palms Rd. at 230 Ku Line Comment
  CAS-BOT-BC273025  Ambrosia salsola Munz; Street; Williams 1919-3-25 2322 Riverside Palm Springs Comment
  UCR167370  Ambrosia salsola 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
  UCR249654  Ambrosia salsola T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7312 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
  UCR33545  Ambrosia salsola Faulkner 1978-3-15 281 Riverside Sonoran (Colorado) Desert, 1 mi. west of Hwy 95, 25 mi. north of Blythe 152 Comment
  JOTR37495  Ambrosia salsola var. salsola Hodges, Stephen R., L. Ashfield 2016-1-20 624 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  UCR26281  Ammannia robusta John C. Roos 1952-5-16 5672 Riverside Perris-Aguanga Basin region, San Jacinto River bottomlands, 1 mi. SE of Perris. 427 Comment
  UCR102898  Amorpha fruticosa 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
  RSA0089624  Amsinckia intermedia Steve Boyd 1992-4-15 6867 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA499895  Amsinckia intermedia Ora M. Clark 1929-2-23 1525 Riverside Near Banning. Comment
  UCR213597  Amsinckia intermedia A. C. Sanders, Matthew Malle 2010-4-23 37985 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR228852  Amsinckia retrorsa A. C. Sanders, T. B. Salvato 2011-3-28 38825 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  UCR41524  Amsinckia tessellata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6015 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  UC1095300  Amsinckia tessellata var. tessellata Peter H. Raven, D. Kyhos 1957-2-15 11572 Riverside Corn Springs; Chuckawalla Mountains Comment
  UCR89654  Amsonia tomentosa Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  UCR22136  Anagallis arvensis Steve Boyd 1980-5-17 287 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  RSA52803  Ancistrocarphus filagineus J. C. Roos 1950-4-29 4773 Riverside Reche Canyon near Console Springs. 610 Comment
  RSA559934  Ancistrocarphus filagineus Steve Boyd 1992-4-18 6903 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  RSA92461  Ancistrocarphus filagineus J. C. Roos, L. Roos 1954-5-11 6118 Riverside Reche Canyon (Same locality as number 4773) 610 Comment
  RSA628492  Anemopsis californica A. C. Sanders, K. C. Rose 1999-6-18 22808 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  SEINET270813 Image available Anisocoma acaulis Richard J. Shaw 1958-4-6 1098 Riverside Joshua Tree National Monument ; On road from White Tank Campground to South Entrance 610 Comment
  SBBG101795  Anthriscus caucalis S. Boyd 1991-5-10 6214 Riverside just N of mouth of Hagador Cyn at bottom of Skyline Drive 426 Comment
  POM158439  Antirrhinum coulterianum Philip A. Munz 1927-5-21 10882 -a Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  UC1595591  Antirrhinum coulterianum Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4557 Riverside Vail Lake area, rolling terrain at junction of Hwy R3 and Powerline Road, NE of the lake Comment
  UC26361  Antirrhinum coulterianum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR116925  Antirrhinum coulterianum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24220 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
  UCR137357  Antirrhinum coulterianum 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
  JOTR01204  Antirrhinum coulterianum Cole, James E. 1941-5-3 833 Riverside Joshua Tree National Park. FLAT EAST OF QUAIL MOUNTAIN 1402 Comment
  POM9394  Antirrhinum coulterianum I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  UCR7107  Antirrhinum cyathiferum Lloyd Tevis 1968-2-9 s.n. Riverside Sonoran (Colorado) Desert, S of Palm Desert, Coyote Wash at junction with Deep Canyon Wash on Deep Canyon Floodplain 274 Comment
  UCR183003  Apiastrum angustifolium Mitch Provance 2003-5-5 4406 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  SD144082  Apocynum cannabinum G. Ballmer, K. Stockwell 1996-6-1 Riverside E of Murrieta: Warm Springs Creek ca. I(c) way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  UCR263734  Apocynum cannabinum Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5002 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  SBBG71703  Aquilegia formosa M. Lewis 1947-8-26 15 Riverside Dark Cyn 1981 Comment
Read comments
Jan 16 2012
  UCR172003  Arabidopsis thaliana A. C. Sanders 2006-5-1 32248 Riverside Riverside, south side of UCR campus behind botany greenhouses 366 Comment
  UCR30802  Arabis A. C. Sanders, K. Berg 1980-5-1 1351 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UCR24888  Arabis glabra A. C. Sanders 1981-8-22 1740 Riverside San Jacinto Mtns., Alvin Meadows; 2 mi (airline) WSW of Idyllwild. 1524 Comment
  RSA0126335  Arabis glaucovalvula C. L. Hitchcock 1932-4-8 12218 Riverside 1 mile west of Cottonwood Springs. Comment
  RSA27929  Arabis perennans C. L. Hitchcock 1940-4-1 5918 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  UC66491 Image available Aralia californica E. A. Zumbo 1904-1 430 Riverside <Cold Water> Canyon Santa Ana Mts., <Cold Water> Canyon Comment
Read comments
Jun 23 2011
  RSA629173  Arctostaphylos Jon E. Keeley 1992-7-17 16792 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629176  Arctostaphylos Jon E. Keeley 1992-7-16 16602 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  RSA629420  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19511 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR68948  Arctostaphylos glandulosa subsp. cushingiana Steve Boyd, T. S. Ross 1990-5-11 4696 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  CAS-BOT-BC23114  Arctostaphylos glandulosa subsp. glandulosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA559459  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross 1992-5-4 7208 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA629391  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19517 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UC21899  Arctostaphylos glandulosa subsp. zacaensis W. L. Jepson May 17 1901-Jun 1 1901 1289 Riverside s side San Jacinto Mts. 1584 Comment
  RSA631721  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19303 Riverside Highway 79, 6 km west of Aguanga. 650 Comment
  RSA631799  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19570 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631833  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16594 Riverside Standley Road, south of Red Mountain Road, 4.3 km east of R3. 800 Comment
  RSA631836  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20174 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 4 km south of Pinyon Pines, Santa Rosa Mountains. 1430 Comment
  RSA631843  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20167 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 5 km south of Pinyon Pines, Santa Rosa Mountains. 1565 Comment
  RSA631846  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20175 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 3 km south of Pinyon Pines, Santa Rosa Mountains. 1350 Comment
  RSA736549  Arctostaphylos glauca Scott D. White, Angelia Carey 2004-7-2 10584 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SBBG58422  Arctostaphylos glauca R. Hoffmann 1929-9-11 Riverside Hamilton Grade Comment
  UCR139049  Arctostaphylos glauca D. L. Banks 1997-3-1 1346 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  RSA0002607  Arctostaphylos glauca var. eremicola W. L. Jepson 1914-5-18 6004 Riverside Colorado Desert, Pinyon Well Mountains. Comment
  RSA633562  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16720 Riverside Road to Santa Rosa Mountain (7S02), 2.1 km south of Highway 74. 1600 Comment
  RSA633578  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20116 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  POM250404  Arctostaphylos pringlei subsp. drupacea I. W. Clokey, E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  RSA635642  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16725 Riverside Hwy 74, 4.3 km west of road (7S02) to Santa Rosa Mtn. 1470 Comment
  RSA635687  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 16605 Riverside Hwy 371 & Burnt Valley Rd, San Jacinto Mtns. Comment
  SD128326  Arctostaphylos pringlei subsp. drupacea R. Mitchel Beauchamp 1971-5-15 2418 Riverside San Jacinto Mtns., Black Mountain campground 1710 Comment
  SD229129  Arctostaphylos pringlei subsp. drupacea Dick Schwenkmeyer 2012-4-17 696 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  RSA635807  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16537 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  RSA636001  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19543 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636185  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19492 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  SD180715  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 396 Riverside Santa Margarita Ecological Reserve, east of 'Highlands Trail' on mesa top, near weather station, among boulders. 640 Comment
  UCR189784  Arctostaphylos rainbowensis Diane Menuz 2007-3-26 265 Riverside Peninsular Range, Coastal Foothills Region, Santa Rosa Plateau, c. 0.2 mi west of northern edge of Mesa de la Punta. Along Punta Mesa Trail, 1000km from the Adobes 488 Comment
  UCR49204  Arctostaphylos rainbowensis S. J. Myers 1987-9-28 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, S base of Redonda Mesa 732 Comment
  JOTR35079  Argemone corymbosa La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3530 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  RSA0123182  Argemone munita Duncan S. Bell, LeRoy Gross 2016-3-30 9170 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
  CAS-BOT-BC65753  Argyrochosma jonesii Dr. A. Davidson 1893-4-1 s.n. Riverside Agua Caliente [now also known as Palm Springs] Comment
  JEPS68439  Aristida adscensionis W. L. Jepson 1928-4-25 12585 a Riverside Cottonwood Spring Colorado Desert, Eagle Mts. 731 Comment
  JOTR30076  Aristida adscensionis La Doux, Tasha, Bill Truesdell 2006-10-3 1719 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  JOTR31819  Aristida adscensionis La Doux, Tasha, Bill Truesdell 2007-11-9 2525 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  RSA717652  Aristida adscensionis Scott D. White, Pam DeVries 2006-3-14 11251 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCR100872  Aristida adscensionis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2701 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR19684  Aristida adscensionis John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 20 mi west of Blythe Comment
  SEINET10511900  Aristida adscensionis Leila M. Shultz, John S. Shultz 1985-4-18 Shultz 8332 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15), T6S R15E. Larrea, Fouquieria splendens, Ambrosia dumosa, Ferocactus association. Granite outcrop. 616 Comment
  UCR19683  Aristida californica John C. Roos 1946-9-14 3007 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  CLARK-A1528-4475  Aristida parishii John C. Roos 1940-2-17 891 Riverside Reche Canyon 457 Comment
  UCR23319  Aristida parishii John C. Roos 1952-4-16 5551 Riverside Reche Canyon. 457 Comment
  CLARK-A1528-4479  Aristida purpurea John C. Roos 1965-9-26 Riverside Palm Springs 0 Comment
  RSA0041962  Aristida purpurea Duncan S. Bell, Loraine Washburn 2014-4-8 6584 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 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
  SEINET3222924 Image available Aristida purpurea var. parishii A. C. Sanders, E. J. Lawlor 1988-10-22 8727 Riverside Pinyon Flats area, Santa Rosa Mountains, along the trail about 0.5 mi W of the Dolomite Mine. 1200 Comment
  RSA500144  Aristida purpurea var. purpurea Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3652 Riverside Vail Lake area, W base of hills between Temecula and Wilson Creeks. 488 Comment
  UCR199590  Artemisia californica Scott D. White, Angelia Carey 2004-7-2 10581 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA520550  Artemisia douglasiana Steve Boyd, David E. Bramlet 1988-10-8 2883 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  SD152958  Artemisia douglasiana Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7662 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  RSA692227  Artemisia dracunculus Scott D. White 2003-10-9 9823 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCR235097  Artemisia dracunculus A. C. Sanders, John F. Green 2012-5-27 40199 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, near SW corner of Valley Substation (on Menifee Rd.), just off Case Rd. 445 Comment
  SBBG65501  Artemisia ludoviciana C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  POM162686  Artemisia ludoviciana subsp. albula F. M. Reed 1929-11-8 6671 Riverside Snow Canon [Canyon]. San Jacinto Mts. 488 Comment
  UCR97265  Artemisia ludoviciana subsp. albula Bern Schwenn 1994-9-18 s.n. Riverside Little San Bernardino Mtns., E end of range to SW of Pleasant Valley, on summit of Bernard Peak 1646 Comment
  RSA0104761  Asclepias californica Michael Wall 1995-4-14 103 Riverside Temecula Valley, along Hwy 79, 5.7 miles east of Interstate 15, southeast of Temecula, west of Vail Lake. Comment
  JOTR32021  Asclepias erosa La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2251 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; wide, sandy wash draining into Pinto Wash (Stop 3) 476 Comment
  RSA795942  Asclepias erosa Duncan S. Bell 2009-4-19 278 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR4503  Asclepias erosa John Dean 1965-7-28 s.n. Riverside Sonoran (Colorado) Desert, 15 mi. west of Blythe on U.S. Hwy 60 274 Comment
  SEINET11262199  Asclepias fascicularis Norman C. Cooper 1944-7-15 1569 Riverside Palms to Pines Hwy, San Jacinto Mtns.; 0 1372 Comment
  UCR131022  Asclepias subulata Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  POM177825  Aspidotis californica Marcus E. Jones 1930-3-5 265 I9 Riverside Glen Ivy Comment
  RSA585635  Aspidotis californica Darin L. Banks, Steve Boyd 1995-3-15 70 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
  RSA0011742  Asplenium vespertinum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2917 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR277706  Aster subulatus Mitch Provance 2012-11-3 1112- 06 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  CAS-BOT-BC478064  Asteraceae A. J. McC 1892-5-1 s.n. Riverside Lake Elsinore Comment
  JEPS54674  Astragalus W. L. Jepson 1901-5-25 1448 Riverside trail to Santa Rosa Peak; trail to Santa Rosa Peak Comment
  UC218095  Astragalus aridus P. A. Munz, D. Keck 1922-4-8 4739 Riverside Mecca , Mecca (Colorado Desert) -30 Comment
  UCR236547  Astragalus aridus Carolyn Martus, Joseph A. Betzler, Chezzy W. Brungraber, Lance Woolley 2008-4-15 1214 Riverside Sonoran (Colorado) Desert, 30 miles west of Blythe near Palen Dry Lake, from I-10 exit Corn Springs Rd. north for about 8 miles 130 Comment
  UC667276  Astragalus bernardinus Annie M. Alexander and Louise Kellogg 1941-5-11 2152 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains, Cottonwood Spring (Eagle Mountains, Colorado Desert, side of canyon) 883 Comment
  UCR620A  Astragalus bicristatus J. Zabriskie 1974-5-24 692 Riverside Santa Rosa Mtns., Reservoir area at top of Deep Canyon stream; south of Pinyon Flat 1890 Comment
  CAS-BOT-BC177734  Astragalus crotalariae Ira L. Wiggins 1941-3-24 9580 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  CLARK-A1528-2735  Astragalus didymocarpus John C. Roos 1938-4-28 1618 Riverside La Sierra Comment
  POM12940  Astragalus didymocarpus P. A. Munz, I. M. Johnston 1922-5-21 5545 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Mar 20 2011
  RSA800102  Astragalus didymocarpus var. dispermus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4771 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  UCR18159  Astragalus didymocarpus var. dispermus A. C. Sanders 1978-4-30 00310 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  RSA0043134  Astragalus didymocarpus var. obispoensis C. B. Wolf 1935-4-7 6301 Riverside 2 mi. SW of Perris. 427 Comment
  SBBG87357  Astragalus douglasii D. Charlton 1988-5-21 1918 Riverside Thomas Mtn Rd from N to S, W of Garner Valley and S of Lake Hemet on Hwy 74 1524 Comment
  CDA26659  Astragalus douglasii var. parishii E. Bryant Jr. 1967-12-1 Riverside About 4 miles north of Keene s Summit, south of Idylwild on road from Hemet. 0 Comment
  LA204953  Astragalus douglasii var. parishii Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA415713  Astragalus filipes N. C. Cooper 1944-7-15 1595 Riverside Palms to Pine Hwy 1463 Comment
  RSA522754  Astragalus gambelianus Steve Boyd 1990-3-29 3861 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA769774  Astragalus gambelianus Duncan S. Bell, Joy D. England 2010-5-17 1007 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  CAS-BOT-BC187104  Astragalus lentiginosus var. borreganus Ivan Johnston 1917-4-4 1065 Riverside Whitewater Comment
  NY5502  Astragalus lentiginosus var. coachellae A. Eastwood 1913-4-30 3116 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA643197  Astragalus lentiginosus var. coachellae James C. Dice, Kimberly A. Nicol 1998-3-24 980324 -3 Riverside 7.1 miles (11.4 km) N of Desert Center, along State Highway 177. 162 Comment
  SD204885  Astragalus lentiginosus var. coachellae Sarah J. De Groot, J. Mark Porter 2006-3-14 5197 Riverside North foot of San Jacinto Mts. Between Snow Creek Road and Highway 111. 366 Comment
  UCR208172  Astragalus lentiginosus var. coachellae I. M. Johnston 1917-4-4 s.n. Riverside Whitewater, around [train] station 345 Comment
  RSA498884  Astragalus lentiginosus var. variabilis M. B. Dunkle 1935-3-17 4402 Riverside Desert Center. 610 Comment
  UC1922546  Astragalus lentiginosus var. variabilis Michael Honer, Dave Silverman 2005-3-18 2100 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Valley; appx. 3 mi. due E of Desert Center Airport. Comment
  SEINET6180770  Astragalus mohavensis var. mohavensis C. L. Hitchcock 1940-4-3 5930 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument.; 0 Comment
  RSA45507  Astragalus nutans L. C. Roos, John C. Roos 1949-4-10 4228 Riverside Chuckawalla Mts. about 3.5 miles southeast of Desert Center. Comment
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May 26 2015
  JOTR37474  Astragalus palmeri Hodges, Stephen, T. Green 2016-5-5 595 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  SBBG3264  Astragalus palmeri H. and M. Dearing 1936-12-26 837 Riverside Palms to Pines Hwy 1219 Comment
  CAS-BOT-BC194127  Astragalus pomonensis Ira W. Clokey; C. B. Clokey; B. C. Templeton 1935-4-15 4634 Riverside Perres-Gavilan Peak 600 Comment
  CAS-BOT-BC194136  Astragalus pomonensis Munz; Harwood 1920-3-20 3376 Riverside 5 mi. So of Corona 304 Comment
  CHSC110689  Astragalus pomonensis Dean Wm. Taylor 2003-5-7 18539 Riverside Railroad Canyon, San Jacinto River (1.9 river miles upstream from maximum pool level for Railroad Canyon Reservoir). 426 Comment
  RSA748216  Astragalus pomonensis G. Gust, L. Nye 2005-3-10 532 Riverside City limits of Lake Elsinore on River bank just off of Auto Center Dr., N of junction with Diamond Dr. 400 Comment
  SBBG3239  Astragalus pomonensis H. and M. Dearing 1939-4-5 3089 Riverside above Hemet Valley on Beaumont Rd Comment
  SEINET2060274 Image available Astragalus pomonensis Conrad Bahre 1970-5-3 Riverside 16 mi E of Riverside along Hwy 60 in the badlands 762 Comment
  CLARK-A1528-2760  Astragalus tricarinatus John C. Roos 1949-4-2 4131 Riverside Whitewater Comment
  UCR129824  Athyrium filix-femina I. W. Clokey, E. G. Anderson 1935-8-21 6504 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  CLARK-A1528-2298  Athysanus pusillus John C. Roos 1967-2-25 Riverside Box Springs Mountains Comment
  SD232597  Atrichoseris platyphylla A. C. Sanders, K. Rose 1995-4-27 16734 Riverside Coachella Valley: foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park. 550 Comment
  UCR261562  Atriplex T. B. Salvato, Matt Malle, Thomas M. Sullivan Jr 2014-5-30 8055 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  POM182368  Atriplex canescens Joseph A. Ewan 1931-10-3 s.n. Riverside Mockingbird Canyon near Arlington Comment
  POM318800  Atriplex canescens Patricia Wilder 1971-11-17 5321 -a Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  SBBG1755  Atriplex canescens H. and M. Dearing 1936-12-25 151 Riverside Thousand Palms Comment
  SEINET3930588  Atriplex canescens R. L. Piemeisel 1913-8-17 3645 Riverside Crestmore.; 0 Comment
  SD80076  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-7-29 332 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  RSA537269  Atriplex coronata var. notatior D. E. Bramlet 1991-5-10 2148 Riverside 6.5 miles west of hemet, approximatly 500 m south and west of the ntersection of Warren and Florida (Hwy 74) and 80 miles east of the MWD San Diego Canal. 457 Comment
  SBBG122779  Atriplex coronata var. notatior A. Parikh 1990-6-14 177 Riverside N of Diamond Valley Lake, 0.4 km S of Hwy 74 (W Florida Ave), 0.7 km W of Warren Rdster Rd 457 Comment
  UCR267168  Atriplex coronata var. notatior D. E. Bramlet 2001-5-8 3138 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, west of Davis Rd. near Marvin Rd. 434 Comment
  RSA0021478  Atriplex glauca R. E. Riefner 2002-12-12 02 -521 Riverside City of Corona, along Magnolia Ave off ramp on SW side of I 15 Freeway. 216 Comment
  CAS-BOT-BC169293  Atriplex lentiformis John Thomas Howell 1928-11-4 4082 Riverside 3 miles nw of Mecca on road to Indio, Coachella Valley Comment
  SEINET4135517  Atriplex polycarpa Faulkner 1978-3-21 339 Riverside 9 miles N of Blythe on Hwy 95.; 0 152 Comment
  UCR35144  Atriplex serenana L. B. Ziegler 1976-8-20 551 Riverside San Jacinto Valley, near the city of San Jacinto. 473 Comment
  CAS-BOT-BC176760  Atriplex serenana var. serenana Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinton [Kieth] Keith Rd., just east of the Bear Creek development [golfcourse] golf course Comment
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Feb 13 2019
  UCR206019  Atriplex serenana var. serenana John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR128172  Atriplex suberecta Scott D. White, Michael Honer 2003-4-9 8974 Riverside Hemet area, Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm 473 Comment
  UCR49993  Atriplex suberecta S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  SD144502  Avena sativa A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20649 Riverside San Jacinto Mtns: N side along Hwy 243, 1.5 mi below Twin Pines Ranch Rd (McMullen Flat), N slope of peak 3740. 1067 Comment
  RSA0121599  Ayenia compacta Duncan S. Bell, LeRoy Gross 2016-3-29 9103 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon just off of Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 625 Comment
  SD249125  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon to the north of Martinez Canyon, ca. 6.0 air miles southeast of the summit of Martinez Mountains. 394 Comment
  RSA191400  Baccharis emoryi E. W. Lathrop, R. F. Thorne 1967-9-26 6638 Riverside 6 miles NW of Murrieta. Comment
  IRVC9315  Baccharis glutinosa Charles Leavell 1966-2-9 7 Riverside Santa Ana Canyon: off Highway 91, 200 yards east of the Riverside-Orange county line, on northeast slope. Santa Ana Mountains 213 Comment
  POM10241  Baccharis salicifolia E. L. Koethen 1897-1 30 Riverside Riverside Comment
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Nov 21 2015
  RSA93169  Baccharis salicifolia F. W. Peirson 1920-2-15 2316 Riverside Palm Springs, Tahquitz Camp. Comment
  CAS-BOT-BC106628  Baccharis salicina E. W. Lathrop 1965-10-24 6019 Riverside 8 miles west of Murrieta. Plateau of the Santa Ana Mountains. 609 Comment
  OBI37442  Baccharis salicina Oscar F. Clarke 1970-10-28 Riverside Botanic Gardens of the Univ. of CA, Riverside Comment
  SD137907  Baccharis sergiloides Darin L. Banks, Steve Boyd 1995-10-17 804 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National forest; along lower Arroyo Seco. 730 Comment
  UCR104633  Baileya multiradiata var. multiradiata D. E. Bramlet 1993-5-5 2338 a Riverside Peninsular Range, Entrance of the El Sobrante Landfill, on the sides of an unnamed tributary to Temescal Wash, approx 1.98 km north east of Temescal Canyon Road. 366 Comment
  POM350661  Baileya pauciradiata N. C. Cooper 1944-5-20 2642 Riverside Palm Springs. 137 Comment
  SEINET2047551 Image available Baileya pauciradiata Shirley Hill 1963-3-13 630313 Riverside 500 yards down desert wash on Vista Chino St., Palm Springs Comment
  JOTR35998  Baileya pleniradiata Harding, Mitzi, Mark Wheeler 2012-9-4 209 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  RSA387355  Bassia hyssopifolia Steve Boyd 1986-4-19 1716 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
  UCR48473  Bassia hyssopifolia Steve Boyd 1986-4-19 1716 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  POM21054  Bebbia juncea George Henry Grinnell 1928-7-25 s.n. Riverside San Jacinto Road Comment
  POM350772  Bebbia juncea Anstruther Davidson 1906-5-3 s.n. Riverside Thermal Comment
  RSA336420  Bebbia juncea R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52051 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  UCR280935  Bebbia juncea var. aspera Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 05 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  CSUSB3  Beloperone californica Margaret-Lee Dean 1965-3-7 S. N. Riverside Palm Desert 3 miles south of Palm Desert on Pines to Palms Highway, on roadside 121 Comment
  POM157913  Bergia texana P. A. Munz 1927-5-20 10805 Riverside Murrieta Hot Springs. Comment
  RSA0092855  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds. 433 Comment
  SD127585  Bernardia incana Robert F. Thorne, Avi Shmida and Robert Whittaker 1978-4-23 52074 Riverside North slope of Santa Rosa Mountains; Bighorn Lookout. Comment
  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
  UCR40449  Beta vulgaris subsp. maritima Steve Boyd 1985-8-7 1119 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  RSA736760  Bidens laevis Scott D. White, Lynn Stafford 2007-6-27 11752 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  SD146038  Bidens laevis A. C. Sanders, Mitch Provance, and B. Pitzer 2000-9-27 23679 Riverside Santa Ana River Valley; southwest side of Mt. Rubidoux, northwest of intersection ot Tequesquite Ave. and Gregory Road. 231 Comment
  UCR107753  Bloomeria crocea D. L. Banks 1997-5-5 1999 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
  RSA180309  Bloomeria crocea var. crocea E. W. Lathrop 1965-5-30 5786 Riverside 6 miles W of Murrieta. Comment
  UCSB26797  Bloomeria crocea var. montana Wilken, Dieter 1969-6-30 Riverside California State Highway 74, 0.5 miles west of Keen Camp Summit, San Jacinto Mtns Comment
  JOTR33813  Boerhavia coccinea La Doux, Tasha, B. Truesdell 2007-11-9 3328 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  UCR18393  Boerhavia coccinea A. C. Sanders, J. Zabriskie 1979-8-18 0849 Riverside Sonoran (Colorado) Desert, slopes of Santa Rosa Mountains, on Hwy 74. 488 Comment
  RSA339616  Boerhavia intermedia Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53604 Riverside Pinto Basin Road: Along road, 4.5 mi S of meeting area of Mojave and Colorado Deserts 1098 Comment
  CLARK-A1528-3269  Boerhavia torreyana John C. Roos 1946-11-29 3178 Riverside Hayfield Comment
  CLARK-A1528-3270  Boerhavia torreyana John C. Roos 1965-9-26 Riverside Santa Rosa Mountains 701 Comment
  JOTR29129  Boerhavia wrightii La Doux, Tasha 2005-9-8 1299 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  JOTR34997  Boerhavia wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3099 Riverside Joshua Tree National Park. Pinto Basin, Route 111, north of sand hills Comment
  RSA0076343  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40402 Riverside Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  UCR264220  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41867 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  CLARK-A1528-4501  Bothriochloa barbinodis John C. Roos 1947-2-15 3236 Riverside Eagle Mountains Comment
  RSA575738  Bouteloua aristidoides S. J. Darbyshire, J. Cayouette 1994-9-17 4637 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  POM161550  Bouteloua barbata Ralph Hoffmann 1929-9-11 s.n. Riverside Thomas Valley, San Jacinto Mountains. Comment
  RSA97358  Bowlesia incana F. W. Peirson 1922-4-30 2954 Riverside Lancaster Valley about 1.5 miles from the Temecula River on road to Hemet 518 Comment
  SEINET13276693 Image available Brachypodium distachyon Steve Boyd 2011-1 12306 Riverside Coastal plains and basins; San Bernardino basin region.: City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  SBBG122883  Brandegea bigelovii S. D. White 2005-4-14 10893 Riverside bajada beneath Mecca Hills, just E of Coachella Canal 24 Comment
  UC1022806  Brandegea bigelovii Philip A. Munz 1940-3-24 15695 Riverside 3 mi s of Cottonwood Springs (Eagle Mountains); Eagle Mountains 457 Comment
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  CAS-BOT-BC29979  Brassica fruticulosa A. C. Sanders; Oscar F. Clarke 1989-4-5 9035 Riverside Box Springs Mountains, on the east edge of Riverside. At the end of the dirt road in Two Trees Canyon. Comment
  RSA674917  Brassica rapa Scott D. White 2000-5-1 7739 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  RSA708054  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-16 10171 Riverside Indian Creek and adjacent slopes. 549 Comment
  SD187378  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR196377  Brassica tournefortii Naomi Fraga, Lisa Rojas 2005-2-10 1372 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR145971  Brickellia desertorum June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR89680  Brickellia incana Bern Schwenn 1994-5-7 s.n. Riverside Mojave Desert, Joshua Tree Nat. Mon.; Eagle Mtns, Black Eagle Mine Rd., 2.5 mi. east of Monument boundary 650 Comment
  UCR18575  Brickellia nevinii John C. Roos 1965-9-12 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon, 3 mi SW of Corona 550 Comment
  JOTR34204  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2996 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  CAS-BOT-BC132177  Brodiaea Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  SD68963  Brodiaea filifolia Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37586 Riverside Santa Rosa Plateau, vernally moist, grassy margin of vernal marsh on Mesa de Colorado, Rancho California. 671 Comment
  CAS-BOT-BC144321  Bromus Carl B. Wolf 1932-8-5 3949 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  UCR112147  Bromus arizonicus O. F. Clarke 1973-3-21 s.n. Riverside Riverside, residential garden of O.F. Clarke at 1012 Spruce Street 305 Comment
  CAS-BOT-BC149439  Bromus berteroanus S. B. Parish 1907-4-18 6140 Riverside Western edge of the Colorado Desert. West Canon [Canyon], Palm Springs. 200 Comment
  POM254898  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 3 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  UCR2203  Bromus carinatus F. M. Reed 1920-6-14 4426 Riverside San Jacinto Mountains, Banning Road at Point View [=Vista Grande?] 1524 Comment
  UC1022803  Bromus carinatus var. carinatus Philip A. Munz 1938-8-14 15356 Riverside Santa Rosa Peak, Virgin Spring Virgin Spring; Santa Rosa Peak, Virgin Spring 2286 Comment
  UC37575  Bromus carinatus var. carinatus H. M. Hall May 1899 1112 Riverside San Jacinto Mountain; Southern California, San Jacinto Mountain 1371 Comment
  RSA591818  Bromus diandrus E. W. Lathrop 1966-5-26 6340 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC27873  Bromus orcuttianus var. hallii H. M. Hall 1901-6-1 2301 Riverside San Jacinto Mountains. West side. 1737 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
  UCR233070  Bromus rubens Edith B. Allen 2012-2-5 212- 02 Riverside Riverside, SW foot of the Box Springs Mtns. on east edge of town, Sycamore Canyon Park, just off Central Ave. near entrance 384 Comment
  UCR234225  Bromus rubens A. C. Sanders, John F. Green 2012-3-20 39979 Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, Collier Ave. at 3rd St., just south of I-15 Fwy 389 Comment
  POM46957  Bromus rubens Mary F. Spencer 1918-1 828 Riverside Palm Springs. 137 Comment
  CLARK-A1528-4559  Bromus trinii John C. Roos 1962-3-24 Riverside Whitewater Canyon Comment
  RSA405285  Caesalpinia virgata L. N. Goodding 1942-2-26 m 3 -42 Riverside Indio region Comment
  RSA697938  Caesalpinia virgata J. R. Bruff 1927-10-8 1 -M Riverside Thousand Palms. Comment
  UC520279  Caesalpinia virgata N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Oasis Comment
  UC665830  Caesalpinia virgata Ira L. Wiggins 1941-3-27 9690 Riverside 8.2 mi. w. Shaver's Summit Comment
  UCR161368  Caesalpinia virgata Mark A. Elvin 2005-4-26 4229 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley/Indio Hills; [pipeline route, south of mouth of Fargo Canyon] N of I-10 198 Comment
  UCR168265  Caesalpinia virgata Scott D. White 2001-4-3 8260 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR116986  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2001-5-3 24077 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  CDA2648  Callisia repens A. C. Sanders 2001-11-2 24886 Riverside San Bernardino Valley Region; Riverside, yard of house at 422 Campus View Dr. Comment
  UCR269649  Callitriche D. E. Bramlet 2005-4-22 3827 A Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  RSA234049  Callitriche marginata R. F. Thorne 1969-5-12 37941 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  CAS-BOT-BC85766  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  RSA291568  Calochortus concolor C. W. Tilforth 1980-7-15 2079 Riverside South of Tool Box Springs Campground, Thomas Mtn. Rd., south of Lake Hemet & west of [Highway] 74. Comment
  UCR193293  Calochortus palmeri var. munzii A. C. Sanders, Tim Thomas 2008-6-20 35543 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  CAS-BOT-BC132460  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near [Bannnig] Banning Comment
  UC454390  Calochortus plummerae I. J. Condit 1910-6-21 Riverside San Jacinto Mts. 609 Comment
  UCR85198  Calochortus plummerae M. J. Wangler 1995-6-6 s.n. Riverside Riverside: Western foot of the Box Springs Mtns. Above the bend in the Santa Fe RR near the east end of Linden Street. north of Big Springs Canyon and south of Two Trees Canyon 396 Comment
  POM1704  Calochortus splendens Jenkins, L. T. Street 1917-5-30 1953 Riverside San Jacinto Canyon. Comment
  RSA180362  Calochortus splendens E. W. Lathrop 1960-5-6 4785 Riverside 10 miles west of Murrieta. Comment
  RSA377463  Calochortus splendens N. C. Cooper 1949-6-29 4326 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR169860  Calochortus splendens Jason L. Hlebakos 2005-5-3 613 Riverside Santa Ana Mtns, Elsinore Peak 1039 Comment
  SEINET12045038  Calochortus weedii C. B. Wolf 1941-1 10899 Riverside Santa Ana Mts. Ortega Hwy, 0.3 mi E of its summit 762 Comment
  SD71847  Calochortus weedii var. weedii Helen V. Witham 1969-7-2 206 Riverside Near Sandia Creek, on road from De Luz to Murietta 299 Comment
  UCR90586  Calochortus weedii var. weedii Scott D. White 1995-6-30 3420 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA0124036  Calycoseris wrightii Duncan S. Bell, LeRoy Gross 2016-3-10 8881 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  UCR177643  Calyptridium monandrum S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 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
  UCR100437  Calystegia macrostegia B. G. Pitzer 1997-4-20 3200 Riverside Lakeview Mtns, Pulsar View Road, c. 1/2 mi. up from the base of the hills (at end of Warren St.) c. 1 mi. (air) north of Juniper Flats (Contour) Rd. 549 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
  SDSU13045  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Along road to Field Station, ca. 0.4 km ENE of Field Station site. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 347 Comment
  POM15017  Calystegia occidentalis subsp. fulcrata Mary F. Spencer 1922-6-30 950 Riverside Idyllwild 1677 Comment
  HSC78663  Camissonia bistorta R. F. Thorne, Drs. Fosberg, Herbst, Sachet 1983-4-23 55481 Riverside Sandy wash along Whitewater River where road crosses river below fish hatchery, ca. 4 mi N of Whitewater Post Office 640 Comment
  RSA315552  Camissonia bistorta Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55481 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCR4125  Camissonia bistorta Ronald M. Cope 1965-5-2 s.n. Riverside Box Springs Mtns., W side of Pigeon Pass, 7 mi. north of freeway (State Hwy 60), on Box Springs Mountain 610 Comment
  UCR166535  Camissonia boothii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10897 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA95242  Camissonia boothii subsp. condensata F. W. Peirson 1925-12-30 5429 Riverside Colorado Desert. Thousand Palms Canyon. Comment
  RSA115524  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11568 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA36358  Camissonia brevipes subsp. brevipes C. Epling 1947-03 s.n. Riverside Mojave Desert, south edge of desert at Cottonwood Springs. Comment
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Oct 9 2010
  RSA548744  Camissonia brevipes subsp. brevipes W. L. Halvorson 1977-2-5 77 -7 Riverside Joshua Tree National Monument. Desert bajada near the junction of Interstate 10 and road to the Monument. Comment
  RSA466163  Camissonia californica Jean Carnine 1932-2-28 s.n. Riverside Santa Ana River. Comment
  UCR112554  Camissonia californica A. C. Sanders 1998-3-17 21740 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  RSA651689  Camissonia cardiophylla Viki Cruz 1983-5-8 013 *k Riverside Collected at the end of a one mile dirt road off Indian Trail Road at the base of Magnesia Canyon, Santa Rosa Mts. Comment
  SEINET10492046  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-1-12 Dunn 2843 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  SEINET5344149  Camissonia cheiranthifolia N. D. Atwood 1993-3-27 17699 Riverside Above & adjacent to coast, Corona Del Mar State Park along Newport Coast Drive Comment
  UCR126445  Camissonia claviformis T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 42 Riverside Coachella Valley, 50th St. at Filmore, 2.5 mi east of town of Coachella -8 Comment
  POM254323  Camissonia claviformis subsp. aurantiaca P. A. Munz 1940-3-24 15711 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA449209  Camissonia claviformis subsp. aurantiaca Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7817 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  UCR263506  Camissonia claviformis subsp. aurantiaca David Fraker, Aaron C. Sedgwick 2012-3-22 019 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  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
  UCR280966  Camissonia hirtella Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 36 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  RSA186720  Camissonia ignota Peter H. Raven 1962-3-19 16914 Riverside State Highway 74, 1.6 miles northeast of junction with State 71, north of Elsinore. Comment
  UCR171986  Camissonia ignota John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  RSA652357  Camissonia intermedia C. J. Humphrey 1936-6-7 233 Riverside [No location information on label.] Comment
  UCR177396  Camissonia pallida John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  RSA72201  Camissonia pallida subsp. hallii F. W. Peirson 1914-04 791 Riverside Whitewater east of Beaumont. Comment
  UC219287  Camissonia strigulosa P. A. Munz and I. M. Johnston 1922-5-20 5466 Riverside Kenworthy San Jacinto Mts. 1432 Comment
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Mar 25 2011
  UC76373  Camissonia strigulosa Miss M. Alice King April, 1893 Riverside Box Springs Comment
  UCR133405  Camissonia strigulosa Tracy Tennant, J. S. Ross 1998-5-7 MOR- 82 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon, c. 0.6miles NNW of Cabazon. 1280 Comment
  OBI2635  Camissoniopsis Dieter H. Wilken 1965-6-29 302 Riverside Along County Rte 1 about 3 mi S of Banning, San Jacinto Mts 914 Comment
  SDSU3334  Camissoniopsis bistorta H. Wedberg 1958-4-4 228 Riverside 6.3 miles south of Barton Road on Reche Canyon Road, south of Loma Linda. 619 Comment
  UC50342  Camissoniopsis bistorta H. M. Hall Apr. 1903 3843 Riverside near Midlands Comment
  UCR261170  Camissoniopsis bistorta A. C. Sanders, Katie Young, John Hale 2015-4-22 41605 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  SBBG89039  Camissoniopsis confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto River Valley at the mouth of Bee Cyn 609 Comment
  SBBG35131  Camissoniopsis pallida T. L. Secrest 1948-4-7 Riverside near Whitewater 274 Comment
  UCSB4515  Camissoniopsis pallida subsp. hallii Haller, John 1957-3-23 Riverside Mouth of Morongo Canyon, ca. 8 road, miles N. of US 99 and 1 air mile S. of Riverside-San Bernardino Co. line 762 Comment
  SDSU3391  Camissoniopsis pallida subsp. pallida H. Wedberg 1958-4-4 230 Riverside Near Whitewater. About 0.4 mile up Whitewater Canyon from Hwy 60-70-99. Comment
  UC597615  Camissoniopsis pallida subsp. pallida Philip A. Munz 1937-3-15 14938 Riverside 3 mi n highway to Banning; Whitewater Creek Comment
  UCR23552  Capsella bursa-pastoris John C. Roos 1966-3-24 s.n. Riverside Hemet, in a vacant lot Comment
  UC830200  Carex P. A. Munz 1922-7-7 6052 Riverside Round Valley San Jacinto Mts. 2712 Comment
  SBBG122758  Carex densa A. Parikh 1990-5-15 172 Riverside Santa Rosa Plateau Ecological Reserve, between Mesa de Colorado and Mesa de Burro, 0.6 km SE of jct of Tenaja Rd and Rancho California Rd 572 Comment
  RSA719520  Carex multicostata Naomi Fraga, et al. 2006-7-11 1715 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA0125109  Carex praegracilis Duncan S. Bell 2016-10-27 10203 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA740953  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-19 12281 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCD140767  Carex praegracilis E. W. Lathrop 1959-5-17 4544 Riverside 10 miles west of Murrieta. Comment
  UCR232055  Carex praegracilis John F. Green 2008-4-22 06- 04 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  UCR277703  Carex praegracilis Mitch Provance 2013-4-16 413- 19 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CAS-BOT-BC115980  Carex subfusca Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38154 Riverside San Bernardino National Forest, San Jacinto Mts, Lake Fulmor. NE end. 1676 Comment
  UC2030051  Carex subfusca Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38118 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  RSA592098  Carthamus tinctorius R. E. Riefner 1996-6-20 96 -119 Riverside Along the Ramona expressway, near Davis Rd. Comment
  RSA562104  Castilleja affinis Steve D. Boyd 1992-4-14 6802 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  SD131918  Castilleja affinis Rimo Bacigalupi, J. F. Macbride, Ruth D. Sanderson, C. Leroy Custer 1952-3-30 3551 Riverside On west-facing hillslopes to the east of State Highway No. 71 between Wildomar and Murrieta, 2.6 miles north of Murrieta 395 Comment
  JEPS13641  Castilleja applegatei subsp. martinii Peter Kamb 1948-7-3 1145 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  POM12854  Castilleja applegatei subsp. martinii Philip A. Munz 1922-6-26 5834 Riverside Road to Santa Rosa. 1738 Comment
  SEINET4096531  Castilleja applegatei var. pinetorum O. M. Clark 1929-1 1947 Riverside South Hemet, southern California. Comment
  UCR215127  Castilleja densiflora Sarah C. Pasquini 2008-4-15 08 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, c. 6 miles west of Murrieta, c. 60 m off Waterline Road 560 Comment
  CHSC108881  Castilleja exserta Duncan S. Bell; Joy England 2010-5-17 1009 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 0.75 air mile southeast of junction of Highway 74 and forest service road 5S15. In flat area amongst shrubs.ny flat. 759 Comment
  SD134194  Castilleja exserta R. Mitchel Beauchamp 1972-4-16 3297 Riverside Pauba Valley, N of Highway 71-79 430 Comment
  CLARK-A1528-4177  Castilleja foliolosa John C. Roos 1940-5-4 880 Riverside San Timoteo Canyon Comment
  CLARK-A1528-846  Castilleja foliolosa Fred B. Essig 1964-4-25 29 Riverside Comment
  RSA524401  Castilleja foliolosa Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4096 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCSB8707  Castilleja foliolosa Gunnerson, Robert 1953-3-20 Riverside Whitewater Canyon Comment
  UCR26173  Castilleja minor subsp. spiralis John C. Roos 1948-4-24 3808 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  POM159839  Caulanthus cooperi E. C. Jaeger 1928-3-26 s.n. Riverside Eagle Mts, Colorado Desert. Comment
  OBI29869  Caulanthus heterophyllus Melissa Luckow, Rhonda Riggins 1982-4-15 832 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  SDSU18384  Caulanthus heterophyllus C. Matt Guilliams 2008-2-21 467 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. 449 Comment
  UC1608299  Caulanthus heterophyllus Steve Boyd, Tim Ross, and Orlando Mistretta 1992-3-31 6749 Riverside Morgan Trail from Round Potrero w to jtn with Tenaja Tr in N-fork Bear Creek (San Mateo Cyn Wilderness Area); Santa Ana Mountains, San Mateo Cyn Wilderness Area 670 Comment
  UCR51946  Caulanthus lasiophyllus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2172 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  SD247618  Caulanthus simulans Ed Kentner, Onkar Singh 2014-4-4 366 Riverside Cleveland National Forest: near Main Divide Road approx. 2 km southeast of Ortega Highway. 843 Comment
  SEINET3507491 Image available Caulanthus simulans A. C. Sanders 1986-6-1 6557 Riverside San Jacinto Mountains, along the trail toward Spitler Peak from the Hurkey Creek Camp to Bonita Vista road. Comment
  SBBG4136  Ceanothus cordulatus M. Van Rensselaer 1937-6-23 Riverside San Jacinto Mtns 1859 Comment
  SBBG119525  Ceanothus crassifolius var. crassifolius A. C. Sanders 2004-2-6 27387 Riverside foothills at edge of Temescal Valley, ridge S of Brown Cyn 442 Comment
  RSA0019596  Ceanothus leucodermis P. A. Munz, I. M. Johnston 1922-5-19 5401 Riverside Mountain side, at mouth of Strawberry Canyon. 1128 Comment
  RSA16498  Ceanothus oliganthus Percy C. Everett 1935-6-18 7209 Riverside 0.5 mi. below (N) Main Divide motorway. 1280 Comment
  SEINET3859650  Ceanothus ophiochilus Unknown 1989-1 Riverside Comment
  UCR5996  Ceanothus spinosus David M. Peterson 1966-3-9 660309- 12 Riverside Santa Ana Mtns., 15-16 miles east of San Juan Capistrano on the road to Elsinore '2000 ft. 366 Comment
  UCR46712  Ceanothus tomentosus D. C. Hawks 1987-3-2 s.n. Riverside Peninsular Range; San Jacinto Mtns. Region, south of Hemet, [near confluence of Pixley Canyon and Goodhart Canyon] intersection of Palm Ave. and Saddle Ridge Rd. 473 Comment
  RSA495804  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2913 Riverside Southwest end of Oak Mountain northwest of Vail Lake. T8S, R1W NE corner sec. 5. 549 Comment
  POM256954  Centaurium venustum W. Pequegnat 1940-6-12 s.n. Riverside 1/2 mile N of Ortega Hwy, Santa Ana Mts. Comment
  UC774537  Centaurium venustum Carl B. Wolf 1941-6-27 10897 Riverside 3.3 mi e Orange County line (Ortega Highway); Santa Ana Mts. 579 Comment
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Sep 18 2011
  RSA707577  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  SD122987  Centromadia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Keith Rd., just east of the Bear Creek development golf course (mak 10/07) Comment
  RSA247378  Cercidium floridum Gary D. Wallace 1967-4-29 720 Riverside Northeast of Coxcomb Mts., 15 miles North of Desert Center along Parker Dam Hwy. Comment
  VVC205  Cercidium floridum F. Ambrey 1959-4-24 s.n. Riverside S Calif., West side of rd. 17.7 mi E of Mecca on State Hwy 195 at east end of Box Cyn. 445 Comment
  CAS-BOT-BC135455  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside Rocky ridges near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  UC859420  Cercocarpus betuloides var. betuloides I. W. Clokey, E. G. Anderson 1935-4-16 6732 Riverside e of Hemet 600 Comment
  SDSU13940  Cercocarpus minutiflorus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2151 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  CAS-BOT-BC276379  Chaenactis carphoclinia L. R. Abrams 1926-3-26 11009 Riverside Palm Springs Comment
  RSA781601  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCSB30423  Chaenactis carphoclinia Wheeler, William 1975-3-9 Riverside In Box Canyon wash, 13 miles south of I-10 on Calif. 195 609 Comment
  CDA7367  Chaenactis carphoclinia var. attenuata M. Weisbauer 1960-3-27 Riverside Shaver s Summit. 0 Comment
  JEPS24415  Chaenactis fremontii Peter M. Ray 1949-3-12 1360 Riverside 2 mi w Whitewater (n side of Coachella Valley); Coachella Valley 457 Comment
  JOTR32431  Chaenactis fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2279 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
  RSA770843  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4947 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SEINET1086113 Image available Chaenactis fremontii G. Helmkamp, M. Rosczyk 1985-4-4 223 Riverside West edge of themain canyon 1/4 mile below the BLM gate. 518 Comment
  UCR204226  Chaenactis fremontii Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1084 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  UCR260891  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41471 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  UCR88110  Chaenactis fremontii A. C. Sanders, G. Nuhn 1995-4-20 16585 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  RSA100864  Chaenactis glabriuscula Palmer Stockwell 1940-4-24 1506 Riverside 1 mile E of Banning. Comment
  UCR243126  Chaenactis glabriuscula Kate Kramer 2012-5-8 260 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  UCR34887  Chaenactis glabriuscula L. B. Ziegler 1967-6-15 160 Riverside San Jacinto Mtns, Bautista Creek Canyon 732 Comment
  UCR49242  Chaenactis glabriuscula Steve Boyd 1986-4-22 1744 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA586841  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Peter Morrell 1995-5-4 0308 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, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  RSA613635  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Victor Steinmann 1997-3-13 1482 B 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
  RSA500072  Chaenactis glabriuscula var. lanosa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3239 b Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  RSA523315  Chaenactis glabriuscula var. lanosa G. H. True 1935-4-3 200 Riverside Box Springs 366 Comment
  UC219589  Chaenactis glabriuscula var. lanosa P. A. Munz 1922-6-23 5780 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  POM9388  Chaenactis glabriuscula var. lanosa I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  SEINET7450235 Image available Chaenactis glabriuscula var. lanosa H. M. Hall 3845 Riverside Riverside Comment
  UC1463879  Chaenactis parishii Jeanine Derby 1976-6-29 Riverside Quinn Flats San Jacinto Mts., Garner Valley 1371 Comment
  CAS-BOT-BC284346  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside Unspecified Comment
  RSA0108934  Chaenactis stevioides Duncan S. Bell, Amanda Bell 2012-1-28 3076 Riverside East side of the Arica Mountains; collecting along the old railroad tracks on the west side of Rice Valley, approximately 6.25 air miles south of the ghost town of Rice. 224 Comment
  RSA667993  Chaenactis stevioides Carol R. Annable 1995-3-16 2298 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  UC1922418  Chaenactis stevioides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UCR103591  Chaenactis stevioides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2722 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR244394  Chaenactis stevioides Jim Andre 2012-4-16 20974 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  SEINET10875678  Chaenactis stevioides Billy Joe Cox 1975-4-23 Cox 4166 Riverside Palo Verde, 1-3 km W, (ca. 32 m S of Blythe). 70 Comment
  RSA0020043  Chamaesyce abramsiana Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6015 Riverside Chuckwalla Valley; approximately 17.5 air miles west of Blythe, on the south side of Interstate 10, about 0.4 air mile south of Wileys Well. 120 Comment
  SEINET3365553  Chamaesyce abramsiana G. Rink 2011-9-25 11070 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  RSA435979  Chamaesyce albomarginata N. C. Cooper 1948-5-13 2849 Riverside Devil's Garden. 244 Comment
  RSA614334  Chamaesyce maculata George K. Helmkamp, E. A. Helmkamp 1997-1-8 1279 Riverside Palm Springs. Lawn at El Cielo and Tahquitz-McCallum. 152 Comment
  RSA339361  Chamaesyce micromera R. F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53583 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  RSA599301  Chamaesyce micromera L. C. Wheeler 1954-11-25 7102 Riverside Corn Springs Wash, ca. 2 mi. south of Desert Center, Blythe Highway. Comment
  RSA0080444  Chamaesyce polycarpa Sarah J. De Groot, Amy Rouillard 2015-9-15 7575 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  RSA505009  Chamaesyce polycarpa D. Charlton 1988-2-18 1154 Riverside Little San Bernardino Mountains. south side of range. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Monument, parallel to I-10. 5 miles E of Junction of Dillon Road and Fargo Canyon Road. 762 Comment
  SEINET3090014 Image available Chamaesyce polycarpa John Adams 1965-4-17 131 Riverside Hwy 111, 2 mi. E of Palm Springs near foothills. 244 Comment
  UC536793  Chamaesyce polycarpa Louis C. Wheeler 1933-12-2 2309 Riverside near Palm Springs (mouth of Taquitz Canyon) 144 Comment
  RSA778321  Chamaesyce polycarpa Amber Swanson, Linda Jean Foster 2011-10-8 626 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  RSA27501  Chamaesyce polycarpa var. polycarpa I. L. Wiggins 1941-3-26 s.n Riverside Along wash at Wiley well. Comment
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May 3 2014
  RSA719242  Chamaesyce setiloba Michael Honer, L. Hulse 2004-4-3 1910 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  RSA741109  Chamomilla suaveolens Scott D. White, Justin M. Wood 2008-6-17 12159 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  IRVC17315  Cheilanthes clevelandii Gordon A. Marsh, Karlin G. Marsh 1979-12-6 s.n. Riverside Leveland National Forest; Trabuco District; canyon S of GS07 (Main Divide Road); ca. 1 mile E of Ortega Highway (74). Peninsular Ranges, Santa Ana Mountains Comment
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Apr 6 2013
  UCR163400  Cheilanthes covillei O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA556511  Cheilanthes newberryi Julie Greene 1993-4-10 1159 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  CAS-BOT-BC68098  Cheilanthes parryi Lewis S. Rose 1966-12-13 66101 Riverside Palm Springs, Tahquitz Wash 182 Comment
  CAS-BOT-BC70380  Cheilanthes viscida Rateaver 1944-2-21 69 Riverside Tahquitz Canyon, Palm Springs Comment
  RSA598052  Cheilanthes viscida S. B. Parish, W. F. Parish 2310 Riverside Whitewater (Desert side of San Bernardino Mts.) Comment
  UC811618  Cheilanthes viscida Ivan Johnston Riverside Palm Canyon; Colorado Desert 304 Comment
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Jul 4 2015
  UCR82220  Chenopodium J. M. Stewart 1994-5-2 857 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  UCR97286  Chenopodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3938 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  UCSB1682  Chenopodium carinatum R. Philbrick 1954-10-24 306 Riverside 4 MI S OF CHINO MENS REFORM INSTITUTION 213 Comment
  UCR58165  Chenopodium fremontii George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  UCSB50619  Chilopsis linearis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Road, 8 miles southwest of junction with Chuckwalla Road 457 Comment
  LA204147  Chilopsis linearis subsp. arcuata M. Zaitlin; 1951-5-26 sn Riverside Palm Springs Comment
  UC219074  Chilopsis linearis subsp. arcuata unknown May 1 1906-May 10 1906 170 a6740 Riverside Palm Springs Colorado Desert, Palm Springs Comment
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Apr 17 2011
  UC218020  Chimaphila umbellata P. A. Munz 1922-7-7 6055 Riverside San Jacinto Mts., N. Fork Tahquitz Creek 2133 Comment
  CDA1888  Chloris truncata R. E. Riefner Jr. 2003-5-27 03 -254 Riverside Perris-Aguanga Region; Perris Valley, Rider Street near Perris Valley Storm Drain. Comment
  UCD169371  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR211698  Chloris truncata Fred M. Roberts, Michelle Balk 2006-8-24 6407 Riverside Perris Basin, Old Salt Creek drainage, Hemet at northwest corner of California Ave. and Marvin Hull Road 452 Comment
  CAS-BOT-BC184872  Chloris virgata S. B. Parish 1912-6-28 8100 Riverside In the drain of the R.R. tank at Mecca. Comment
  RSA574747  Chlorogalum parviflorum Steve Boyd 1982-5-20 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain, just east of extensively-mined area. 427 Comment
  RSA607337  Chorizanthe R. S. Woglum 1941-5-17 3050 Riverside Peninsular Ranges / Sonoran Desert transition: Coyote Canyon. . Comment
  RSA0031419  Chorizanthe brevicornu Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4468 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UCR137375  Chorizanthe brevicornu June Latting 1978-4-30 s.n. Riverside Sonoran (Colorado) Desert, Red Cloud Mine Road near I-10 427 Comment
  CAS-BOT-BC191713  Chorizanthe brevicornu var. brevicornu Barbara Ertter; Jeffrey Strachan 1980-5-20 3474 Riverside Sandy flat on W side of Highway 111 between Cathedral City and Rancho Mirage 91 Comment
  RSA392610  Chorizanthe brevicornu var. brevicornu Christopher Davidson 1979-4-4 7696 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UC472756  Chorizanthe brevicornu var. brevicornu Mary F. Spencer 1918-3-25 Riverside Colorado Desert Comment
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Jun 12 2012
  CLARK-A1045-292  Chorizanthe coriacea George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains Bee Canyon Road; chaparral; ; Hemet 15'Q 609 Comment
  UCR97471  Chorizanthe coriacea B. G. Pitzer 1997-3-23 2979 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA795932  Chorizanthe corrugata Duncan S. Bell 2009-4-19 265 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA282769  Chorizanthe fimbriata C. W. Tilforth 1979-6-27 1814 Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta Comment
  CAS-BOT-BC191345  Chorizanthe leptotheca James L. Reveal; C. Rose Broome 1987-6-27 6611 Riverside San Jacinto Mountains, along the road toward Lake Hemet Campground on the N shore of Lake Hemet, 0.2 mile E of the Lake Hemet Picninc Area and 0.8 mile W of CA Highway 74 1630 Comment
  UCR217642  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 133 Riverside San Jacinto Mountains, Cahuilla Mountain along road between Juan Diego Flats and Duval Spring 1177 Comment
  UCR22112  Chorizanthe leptotheca Steve Boyd 1980-5-15 276 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  CAS-BOT-BC252786  Chorizanthe parryi var. parryi James L. Reveal 1988-5-23 6867 Riverside Along California Highway 75 at milepost 48, 3 miles east of Fariview Avenue in Valle Vista, north of teh highway and south of the San Jacinto River 609 Comment
  UCR238222  Chorizanthe parryi var. parryi Mark A. Elvin 2005-5-24 4319 Riverside Peninsular Range; Perris-Aguanga Basin Region, hill west of Hemet and south of Hwy 74, east of Winchester Rd. 503 Comment
  POM13938  Chorizanthe polygonoides var. longispina Charlotte M. Wilder 1905-5-29 621 Riverside West Riverside Comment
  RSA747568  Chorizanthe polygonoides var. longispina Michael Honer 2003-4-16 1828 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. Appx. 400 m N of peak '2349'. 701 Comment
  UCR217537  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-17 423 Riverside Peninsular Range: Santa Ana Mts., Santa Rosa Plateau, near intersection of Tormo Trail and Sylvan Meadows Road 553 Comment
  UCR91227  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park, within and beside the Equestrian Trail, south of the Tucalota Hills and approximately 702 m SE of the park entrance road and 610 m north of East Benton Road, just SW of knoll 1800 ft 524 Comment
  RSA585526  Chorizanthe procumbens D. L. Banks, S. D. Boyd 1995-5-9 389 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  RSA674745  Chorizanthe procumbens Scott D. White, T. B. Salvato 2001-6-8 8588 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR27655  Chorizanthe staticoides John C. Roos 1960-6-5 s.n. Riverside Peninsular Range; Santa Ana Mtns., off the Ortega Hwy, NE slope of Sugarloaf Peak [=Pleasants Peak] 1067 Comment
  GMDRC1319  Chorizanthe watsonii J. Andre 2004-4-24 4277 Riverside Little San Bernardino Mountains: Joshua Tree NP: Joshua Tree woodland (sparse), near bench by wash in sandy soil. Elev. 3711 ft. 1131 Comment
  HSC82713  Chorizanthe xanti var. leucotheca R. F. Thorne, C. W. Tilforth 1980-5-28 54223 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  CAS-BOT-BC30107  Chrysolepis chrysophylla Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  POM352017  Chrysothamnus paniculatus P. A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument. 1067 Comment
  UCR269867  Chylismia brevipes A. C. Sanders, Jim Malusa 2016-3-18 42365 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCSB22528  Chylismia brevipes Shaw, M. 1964-4-5 Riverside Dirt road, 1.5 miles east of junction of State Highway 195 and turnoff to U.S. Highway 70 to Joshua Tree National Monument 594 Comment
  UC873882  Chylismia brevipes subsp. brevipes I. W. Clokey 1935-4-17 6773 Riverside mesa Shafer Wells-Cottonwood Springs 25 Comment
  CAS-BOT-BC160592  Chylismia claviformis subsp. aurantiaca L. A. Greata 1905-4-1 s.n. Riverside [Coachilla] Coachella Comment
  JEPS23483  Chylismia claviformis subsp. aurantiaca Marjorie D. Clary 1933-2-26 2060 Riverside Aqueduct Rd North Colorado Desert 243 Comment
  CAS-BOT-BC162786  Chylismia claviformis subsp. claviformis A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16272 Riverside San Jacinto Mtns./San Gorgonio Pass, alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village Comment
  JEPS23425  Chylismia claviformis subsp. peirsonii Newlon 1922-4-2 418 Riverside hwy between Westmoreland and Indio; Colorado Desert Comment
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Apr 3 2011
  UC30787  Cirsium occidentale var. californicum H. M. Hall 1901-6-1 2286 Riverside vicinity of Chalk Hill San Jacinto Mountains 1584 Comment
  UC1929620  Cirsium occidentale var. occidentale Scott D. White 2003-3-21 8796 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  UC63139  Cirsium occidentale var. occidentale W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1980 Riverside Dripping Springs Temecula River, Dripping Springs Comment
  POM301814  Cirsium occidentale var. venustum James E. Cole 1942-5-10 958 Riverside Joshua Tree National Monument 1341 Comment
  UCR202602  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA65417  Cistanthe monandra F. W. Peirson 1924-7-29 5028 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  RSA769618  Clarkia E. W. Lathrop 1974-6-4 7401 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  UCR133448  Clarkia dudleyana Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 451 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  POM128358  Clarkia epilobioides Thomas Craig 1927-4-23 213 Riverside Glen Ivy. Comment
  UCR81098  Clarkia rhomboidea Scott D. White 1993-5-29 1454 Riverside San Bernardino Mtns, Banning Canyon along the road to Raywood Flat, Yucaipa Ridge 1341 Comment
  RSA710929  Clarkia unguiculata A. C. Sanders, Seung-Chul Kim 2005-5-7 30050 Riverside 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 457 Comment
  RSA613462  Claytonia perfoliata D. L. Banks, Victor Steinmann 1997-3-13 1430 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  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
  CAS-BOT-BC92822  Clematis pauciflora Frank W. Peirson 1921-3-22 2372 Riverside Murray Canyon. 426 Comment
  POM48321  Clematis pauciflora E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  UCR121329  Clematis pauciflora A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24990 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  UCR21956  Clematis pauciflora Steve Boyd 1980-5-11 229 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
  RSA66770  Cleome isomeris F. W. Peirson 1921-3-23 2382 Riverside Rocky entrance to Deep Canyon. south side of Coachella Valley. Comment
  SBBG101774  Cnicus benedictus S. Boyd with T. Ross 1991-6-14 6395 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  POM19573  Collinsia concolor Mary F. Spencer 1923-6-9 2166 Riverside In Idyllwild. 1646 Comment
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Oct 22 2011
  UCR108852  Collinsia concolor Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR177646  Collinsia concolor S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA180400  Collinsia heterophylla E. W. Lathrop 1960-4-8 4759 Riverside 14 miles W of Murrieta. Comment
  UCR46061  Commelina benghalensis A. C. Sanders, K. Saxon 1986-7-26 6799 Riverside Peninsular Range, Lakeview Mtns., Juniper Flats. Residence on Country Road. 610 Comment
  RSA741570  Convolvulus arvensis Scott D. White, Justin M. Wood 2008-6-17 12162 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR175216  Convolvulus arvensis Teresa Nieto 2005-4-24 14 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR217547  Convolvulus simulans Diane Menuz 2009-4-1 479 Riverside Perris Basin, Near Lake Mathews, c. 100 m south of Cajalco Road 434 Comment
  SBBG27300  Cordylanthus nevinii I. W. Clokey 1935-8-21 Riverside Fuller's Crk 1500 Comment
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Dec 5 2007
  CAS-BOT-BC237959  Cordylanthus rigidus Scott D. White 1996-8-1 4419 Riverside San Jacinto Mts. Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1830 Comment
  RSA561884  Cordylanthus rigidus subsp. setiger Steve D. Boyd, Tim S. Ross 1992-6-10 7644 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido., An isolated area of low relief topping the ridge system due west of the junction 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
  UC26350  Cordylanthus rigidus subsp. setiger H. M. Hall Aug. 1901 2621 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  CAS-BOT-BC101300  Corethrogyne filaginifolia Peter H. Raven; R. Snow 1957-7-26 11082 Riverside Banning-Idyllwild Road, 6.5 mi. n. of road to Twin Pines Ranch, San Jacinto Mts. Comment
  LA99053  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  POM356170  Corethrogyne filaginifolia H. de Forest, Jack Rempel 1933-10-29 18687 Riverside Snow Creek Canyon, San Jacinto Mts. 526 Comment
  RSA259260  Corethrogyne filaginifolia P. A. Munz 1938-8-14 15383 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  RSA589086  Corethrogyne filaginifolia var. filaginifolia D. L. Banks, Steve Boyd 1995-10-17 0797 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR128896  Coronopus didymus A. C. Sanders, E. J. Lawlor, Don Pendleton 1992-3-21 12073 Riverside Sonoran (Colorado) Desert, Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -44 Comment
  UCR104961  Cortaderia jubata A. C. Sanders 1997-3-19 20038 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR271619  Cotyledon orbiculata A. C. Sanders, Amy Litt & UCR Pl. Taxonomy Class 2016-5-7 42468 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 old Emerson house site 488 Comment
  CAS-BOT-BC427597  Crassula aquatica Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37460 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  RSA0019000  Crassula aquatica Steve Boyd, Gary D. Wallace 2005-7-30 11654 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  CAS-BOT-BC427781  Crassula connata Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3987 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UCR266788  Crassula connata Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 05 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  RSA771029  Crossosoma bigelovii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4536 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC668376  Crossosoma bigelovii Annie M. Alexander and Louise Kellogg 1941-4-24 2074 Riverside gorge of Dry Morongo Creek Morongo Valley 640 Comment
  UCR88435  Crossosoma bigelovii A. C. Sanders, K. C. Rose 1995-4-5 16349 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA663933  Croton californicus C. R. Annable 1995-3-9 2255 Riverside ca. 13 km N of Rancho Mirage. BLM land behind A-1 Cement. Comment
  RSA777342  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4711 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  UCR41370  Croton californicus N. M. Fellows 1985-1-5 63 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  SEINET9255231 Image available Croton californicus var. mohavensis Nancy Ryan Zabriskie 1970-12-29 333 Riverside Beside Andreas Canyon Club entrance gate on South Palm Canyon Drive, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  UCR101409  Croton setiger A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22229 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  UCR167678  Croton setiger T. B. Salvato, Melissa Clemons 2005-6-23 1287 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  RSA89903  Crypsis vaginiflora J. C. Roos 1952-6-4 5735 Riverside San Jacinto River bottomland 1.5 miles SE of Perris. 427 Comment
  CAS-BOT-BC189259  Cryptantha John H. Thomas 1957-3-29 6516 Riverside Between Banning and Cabazon, about 2 miles E of Banning near railroad tracks 609 Comment
  UCR234283  Cryptantha A. C. Sanders 2012-4-12 40034 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between El Hermano Rd. and I-15 crossing near Mayhew Canyon 311 Comment
  SEINET6971883  Cryptantha A. G. Vestal 1962-3-29 s.n. Riverside 4.2 miles east of Murrieta. Comment
  RSA314619  Cryptantha angustifolia R. F. Thorne, Drs Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55486 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA562065  Cryptantha angustifolia Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6918 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  SBBG97219  Cryptantha angustifolia W. L. Halvorson 1977-3-8 77 -83 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCR100868  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2706 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR126435  Cryptantha angustifolia T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 50 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCSB5531  Cryptantha angustifolia Beeks, Richard 1952-4-4 Riverside U.S. 99, opposite Twentynine Palms turnoff Comment
  POM118734  Cryptantha barbigera Marcus E. Jones 1924-2-28 s.n Riverside Desert Center, Colorado Desert Comment
  RSA703814  Cryptantha barbigera LeRoy Gross 2005-3-3 1593 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  SD216465  Cryptantha barbigera Carol R. Annable 1995-3-10 2264 Riverside 1.6 kilometers South of Lake Cahiulla County Park. Comment
  UC280426  Cryptantha barbigera E. E. Schellenger May 1920 Riverside Chuckawalla Bench Colorado Desert Comment
  UC551834  Cryptantha barbigera F. R. Fosberg 1932-3-13 10627 Riverside Thousand Palms Canyon Comment
  RSA781905  Cryptantha barbigera var. barbigera Duncan S. Bell 2010-5-1 885 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  GMDRC4969  Cryptantha barbigera var. fergusoniae J. Andre 2011-2-2 16213 Riverside Coachella Valley: west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point, approx. 5.5. mi. from Jct with I-10 259 Comment
  UCR196106  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 8149 Riverside S Mojave Desert, Joshua Tree National Park, near water tank just south of Black Rock Visitor Center 1260 Comment
  POM368351  Cryptantha circumscissa Christopher Davidson 1973-4-19 1997 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  RSA0116505  Cryptantha corollata A. C. Sanders 2003-4-4 25853 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SBBG6271  Cryptantha cycloptera H. and M. Dearing 1942-3-7 4812 Riverside Cathedral City bajada Comment
  UCR194828  Cryptantha decipiens var. corollata Scott D. White 2006-4-27 11286 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  POM368240  Cryptantha holoptera M. B. Dunkle 1933-5-6 3436 Riverside Painted Canyon Comment
  CLARK-A1045-329  Cryptantha intermedia George K. Helmkamp 1977-3-20 Riverside Cabazon dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  RSA757780  Cryptantha intermedia LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4328 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
  SBBG53744  Cryptantha intermedia S. Boyd 1980-4-8 Riverside Harford Springs County Park, located on the NW corner of the Gavilan Plateau Comment
  UC402774  Cryptantha intermedia C. F. Baker 1903-4-5 4138 Riverside Hemet Comment
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Mar 24 2011
  UCR117702  Cryptantha intermedia Mitch Provance 1998-6-11 679 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR177150  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-25 9107 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR58484  Cryptantha intermedia Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR90360  Cryptantha intermedia Scott D. White 1995-6-30 3431 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  POM96833  Cryptantha intermedia F. M. Reed 1925-3-17 4936 Riverside Tahquitz Canyon - Palm Springs. Comment
  JOTR29373  Cryptantha maritima La Doux, Tasha, Mike Bell 2006-5-10 1450 Riverside Joshua Tree National Park. East Deception Canyon Comment
  POM287672  Cryptantha maritima Lyman Benson 1933-3-31 4170 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA524410  Cryptantha maritima Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4102 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UC1329936  Cryptantha micrantha James E. Cole 1941-6-15 905 Riverside Black Spring Wash Joshua Tree National Monument 1280 Comment
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Feb 24 2013
  UC218109  Cryptantha micrantha P. A. Munz 1922-6-27 5839 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UC857182  Cryptantha micrantha I. W. Clokey and B. C. Templeton 1930-4-9 4709 Riverside n of Palm Springs; Colorado Desert 200 Comment
  UCR162407  Cryptantha micrantha var. lepida S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR158856  Cryptantha microstachys Scott D. White 1994-6-14 2060 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR174373  Cryptantha microstachys A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32660 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  VVC125  Cryptantha microstachys A. C. Sanders, J. Mac 1997-5-4 20647 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
  RSA0094688  Cryptantha microstachys Steve Boyd, D. Bramlet, Timothy S. Ross 1993-5-12 7341 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  RSA776051  Cryptantha muricata C. P. Cowan 1978-4-25 1261 Riverside 0.4 mile (0.6 km) off Hwy. 74 on Morris Ranch Road, 4.3 miles (6.9 km) N on 74 from jct with 371. San Bernardino National Forest Comment
  RSA0079269  Cryptantha muricata var. jonesii Steve Boyd 1992-5-15 7409 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  UCD80956  Cryptantha nevadensis Chuck Hughes 2009-3-23 59 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  SDSU18652  Cryptantha nevadensis var. nevadensis Michael G. Simpson, Kristen Hasenstab 2008-4-2 2944 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  UCR267893  Cryptantha nevadensis var. nevadensis Jim Andre 2013-3-4 23858 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  UCR52020  Cryptantha pterocarya var. cycloptera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2159 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA0078922  Cryptantha pterocarya var. pterocarya Scott D. White 2001-4-12 8299 Riverside Colorado Desert: 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
  UCR157660  Cryptantha utahensis A. C. Sanders 1995-4-13 16496 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
  UCR39238  Cryptantha utahensis M. L. Rosczyk, G. K. Helmkamp 1985-4-4 213 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, The Nature Conservancy's Big Morongo Preserve, south of Morongo Valley. Main canyon, one-half mi. below the BLM gate 518 Comment
  UCR50381  Cryptantha utahensis F. R. Fosberg 1929-3-30 S- 00710 Riverside Western Colorado Desert/ San Jacinto Mtns, Palm Springs, Andreas Canyon Comment
  RSA0106721  Cucurbita palmata Duncan S. Bell 2011-9-30 2943 B Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  SEINET3082941 Image available Cucurbita palmata Unknown 1965-3-7 Riverside Directly 3 miles s of Palm Desert on Palms to Pine highway 122 Comment
  UCR260537  Cucurbita palmata T. B. Salvato, Matt Malle, Thomas M. Sullivan Jr 2014-5-30 8057 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  SEINET238505  Cuscuta pentagona A. C. Sanders, Mihai Costea; D Bramlet T Salvato 1999-10-15 23171 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. SE of Jackr 433 Comment
  UCR6701  Cuscuta subinclusa O. F. Clarke 1967-11-4 671104- 3 Riverside Santa Ana River channel, 0.5 mi. upstream from Salt Lake Railroad Bridge. Comment
  RSA478741  Cycloloma atriplicifolium Lester H. Cushman 1931-10-4 s.n. Riverside Near Riverside. Comment
  UCR1087  Cylindropuntia californica var. parkeri Peter De Gano 1970-5-11 700511- 04 Riverside city of Riverside, University of California campus, just south of Perimeter Road 305 Comment
  UCR47050  Cylindropuntia californica var. parkeri Karin Cleary-Rose 1987-5-21 070 Riverside San Jacinto Valley, San Jacinto, north side of Gilman Springs Road, 0.4 km SE of its intersection with Bridge Street 463 Comment
  RSA660929  Cymbalaria muralis A. C. Sanders 1998-4-12 21751 Riverside yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
  SEINET4560613  Cynanchum utahense Duncan S. Bell 2009-1 273 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCD60092  Cynodon dactylon E. W. Lathrop 1965-5-24 5379 Riverside 14 miles west of Murrieta. 548 Comment
  UCR110370  Cyperus erythrorhizos A. C. Sanders, Mitch Provance 1999-9-26 23123 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
  UCR274195  Cyperus squarrosus T. B. Salvato, Melissa Clemons 2005-6-6 1420 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR71765  Dactyloctenium aegyptium L. F. LaPre, Megan Phillips 1991-9-9 91- 17 Riverside Sonoran (Colorado) Desert, Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  RSA0030698  Dalea mollis Jim Andre 2013-3-27 24799 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA23177  Dalea mollissima I. L. Wiggins 1938-3-25 8928 Riverside Eagle Canyon, 3-5 miles south of Palm Springs. Comment
  UCR41745  Dalea mollissima A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6067 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  SEINET3407708 Image available Dalea spinosa C. W. Tilforth 1976-7-21 Riverside Large wash along Hwy. 195, c. 15 miles ne of Mecca, Colorado Desert Comment
  SEINET6656795  Dalea spinosa Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon.; 0 Comment
  CAS-BOT-BC283038  Dasyochloa pulchella E. A. McGregor 1917-3-18 794 Riverside 5 mi. up Painted Canyon Comment
  JOTR32424  Dasyochloa pulchella Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 13 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  SD11890  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside Santa Rosa Mts, near Santa Rosa 1830 Comment
  UC1929328  Datisca glomerata Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10674 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  RSA595921  Datura wrightii D. L. Banks, Lauren Raz 1996-11-5 1180 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  VVC5  Daucus pusillus A. C. Sanders, J. Mac 1997-5-4 20684 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  SDSU12947  Deinandra fasciculata Jutta Buschbom 1991-6-1 19 Riverside Santa Margarita Ecological Reserve, Temecula. 152 Comment
  UC63254  Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside vicinity Riverside; Highgrove 365 Comment
  CAS-BOT-BC294105  Deinandra kelloggii H. M. Hall 1901-6-1 2420 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  UC1792826  Deinandra kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 472 Comment
  SD144486  Deinandra mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15774 Riverside San Jacinto Mtns: North slope of the mtns; Azalea Creek ca 0.5 mi southwest of Twin Pines Ranch buildings, at road crossing just outside ranch fence (mak 10/07) 1070 Comment
  UC2015630  Deinandra mohavensis Jeri Hirshberg 1995-9-13 Riverside San Jacinto Mountains: at the edge of the road to Hungry Hollow from Hwy 243 ca. 0.75 mi. SSE of Poppet Flat Rd. jct. w/243. ca. 1 mi. E of Poppet Flat Comment
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Feb 4 2015
  RSA0012175  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  UCR158710  Delphinium parryi A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30007 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
  CLARK-A1528-1355  Dendromecon rigida Robin Kobaly 1972-5-13 RLK 720513 Riverside San Jacinto Mountains 1219 Comment
  GMDRC6553  Dendromecon rigida J. M. Andre 2012-6-15 30506 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  UC410724  Dendromecon rigida Mrs. E. C. Van Dyke 1928-5-28 Riverside Banning Comment
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Mar 13 2011
  RSA586332  Dendromecon rigida subsp. rigida D. L. Banks, S. D. Boyd 1995-5-3 197 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
  CAS-BOT-BC198165  Deschampsia danthonioides Philip A. Munz 1941-5-18 16645 Riverside 15 miles northeast of Temecula Comment
  UCR114960  Deschampsia danthonioides Fred M. Roberts 1992-4-25 4870 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR60714  Deschampsia danthonioides var. gracilis R. F. Thorne 1973-5-23 43872 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  JOTR37758  Descurainia pinnata subsp. glabra Hodges, Stephen R. 2016-2-29 714 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  RSA500068  Descurainia sophia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3243 Riverside Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 487 Comment
  UCR59506  Descurainia sophia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3243 Riverside Peninsular Range, Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 488 Comment
  RSA770415  Dicentra chrysantha Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4885 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA523966  Dichelostemma capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4012 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR97241  Dichelostemma capitatum subsp. capitatum Scott D. White 1997-2-9 4673 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  CAS-BOT-BC292190  Dicoria canescens John Thomas Howell 1928-11-4 4087 Riverside Below Palm Canon [Canyon] on road from Indio to Palm Springs Comment
  UCR214871  Dicoria canescens A. C. Sanders 2010-3-15 37402 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
  HSC79576  Digitaria ischaemum Paul Bailey 1972-5-14 131 Riverside 5 miles SE of Temecula, Hwy. S 16, Pechanga Canyon. Comment
  SD148060  Diplacus brevipes Andy C. Sanders, T. B. Salvato 2001-5-16 24300 Riverside Perris-Aguanga region: S of Hemet, Ao mi. S of Gibbel Rd. about 1 mile E of State St., east end Diamond Valley, 1 mi. SSE of Hemet Butte, S of mouth of Avery Cyn 518 Comment
  RSA0019285  Diplacus brevipes N. C. Cooper 1944-6-16 2004 Riverside San Jacinto Mountains, west side. 1372 Comment
  RSA0019408  Diplacus fremontii Henry J. Ramsey, Henry J. Ramsey 1939-4-23 392 Riverside Hemet, Anza, Bautista Creek Rd. Comment
  RSA0019419  Diplacus fremontii Diane M. Ramirez 1983-5-15 24 Riverside Poppet Flat Divide Truck Trail, 3 mi S of junction with CA Hwy 243, S of Banning. Angelus Hill 1254 Comment
  RSA0018420  Diplacus longiflorus var. calycinus D. C. Michener, Walter Wisura 1982-7-15 4063 -A Riverside Granitic rock cut 0.4 mi. south of Poppet Flat rd. on CA 243. Comment
  RSA658879  Diplacus puniceus Phil Elliott 1981-2-16 6 Riverside On Santa Rosa Rd., 5.6 miles east of Lake Mathews Rd. Comment
  UCR2336  Distichlis spicata H. S. Fawcett 1913-12-11 1084 Riverside Riverside, north of [Mt.] Rubidoux, flat in sand [along Santa Ana River] 244 Comment
  RSA734977  Ditaxis claryana L. C. Wheeler 1952-12-15 7024 Riverside Riverside Mountains: Mountaineer Mine. Comment
  GMDRC9814  Ditaxis lanceolata J. M. Andre 2017-3-1 38018 Riverside Eagle Mountains: south end of range, 2.8 mi. north of Interstate 10 at Hayfield Rd exit 506 Comment
  RSA421607  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  JOTR28957  Ditaxis neomexicana La Doux, Tasha 2005-3-30 1193 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA0027472  Ditaxis neomexicana Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 54 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  UCR139721  Ditaxis neomexicana B. G. Pitzer 1989-4-16 1293 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  CAS-BOT-BC43635  Dithyrea californica Ira L. Wiggins 1941-3-24 9563 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  HSC6728  Dithyrea californica R. A. Eagle 1964-3-28 27 Riverside 1 mi. this side of Palm Springs Comment
  RSA487199  Dodecahema leptoceras James L. Reveal 1988-5-23 6863 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  UCR12558  Downingia bella Emily E. McGregor 1972-4-30 s.n. Riverside Peninsular Range, 0.5 mi west of Tenaja Station, Tenaja Rd. (6S08). Comment
  SEINET10702753  Downingia cuspidata Robert F. Thorne, Earl W. Lathrop 1969-6-6 Thorne 39314 a Riverside Rancho California, Mesa De Colorado. 625 Comment
  RSA777831  Draba cuneifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 857 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  POM370046  Draba cuneifolia var. sonorae Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA530887  Draba saxosa M. B. Dunkle 1933-7-23 3758 Riverside San Jacinto Peak 3301 Comment
  IRVC143  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-27 SJ 6 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  UCR149997  Dryopteris arguta Scott D. White 2000-11-15 8146 Riverside Peninsular Range; San Jacinto Mtns, Idyllwild area, 'Strawberry Fuelbreak' betwen 'Inspiration Point' and Strawberry Creek 1646 Comment
  RSA423467  Dudleya Elizabeth A. White 1928-04 s.n. Riverside Near 7 [Seven] Palms. Comment
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Aug 18 2010
  POM10286  Dudleya multicaulis Charlotte M. Wilder 1905-5-31 583 Riverside West Riverside Plains Comment
  RSA574737  Dudleya multicaulis Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road. 396 Comment
  RSA397791  Dudleya saxosa subsp. aloides T. W. Minthorn 1926-5-15 s.n. Riverside E of Banning. Comment
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Jan 14 2010
  UCR281561  Dysphania ambrosioides Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 82 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  UCR72237  Dyssodia porophylloides Theo Glenn 1991-5-27 91- 121 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  UCR162568  Echinochloa crus-galli A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23170 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CAS-BOT-BC291130  Eclipta prostrata S. B. Parish 1912-10-12 8362 Riverside Salton Basin. Mecca -57 Comment
  CHSC106538  Elatine californica Robert F. Thorne 1973-5-23 43840 Riverside SANTA ROSA PLATEAU - MESA DE COLORADO: N edge of large vernal marsh in shallow water. 609 Comment
  RSA559350  Eleocharis bella Steve Boyd, Timothy S. Ross 1992-5-15 7392 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  UCR37411  Eleocharis macrostachya Steve Boyd 1984-4-18 s.n. Riverside Skunk Hollow, 6 mi east of Murrieta, SW of the Lake Skinner dam. 457 Comment
  CHSC89888  Eleocharis montevidensis L. P. Janeway 2004-5-8 8064 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
  UCR116777  Eleocharis montevidensis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24170 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR195144  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35938 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR96426  Elymus elymoides Scott D. White 1996-8-1 4404 A Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR174541  Elymus glaucus Jennifer H. Jones 2006-6-6 392 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UCR24987  Elymus glaucus subsp. glaucus A. C. Sanders 1980-7-18 1653 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SEINET10869081 Image available Elymus glaucus var. jepsonii Harvey M. Hall Hall 2097 Riverside San Jacinto Mountains, south side 1463 Comment
  RSA754125  Elymus trachycaulus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 16 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  UC1931214  Elymus triticoides Scott D. White, Justin Wood 2008-7-8 12392 Riverside SAN JACINTO MTS: Johnson Meadow Comment
  UCR57206  Elymus triticoides Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  HSC86343  Emmenanthe penduliflora Jane Hildreth 1981-6-4 22 Riverside 5 mi. S of banning along Hwy. 243, San Jacinto Mtns. 1067 Comment
  RSA543174  Emmenanthe penduliflora Steve Boyd, Mike Hammitt, Tim Ross 1991-5-2 6084 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
  SD204900  Emmenanthe penduliflora R. F. Thorne, W. Wisura and Dave Michener 1982-5-24 55187 Riverside Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. 915 Comment
  SD216486  Emmenanthe penduliflora Jay B. Walker 1995-5-4 1415 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  UCR174107  Emmenanthe penduliflora A. C. Sanders 2006-5-19 32424 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
  UCR202012  Emmenanthe penduliflora Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  UCR900  Emmenanthe penduliflora Grace Sprague 1968-5-3 s.n. Riverside San Jacinto Mountains, Banning-Idyllwild Road 5.6 mi below Twin Pines turn-off 854 Comment
  UC895498  Encelia californica C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-4-15 4737 Riverside Gavilan Peak 500 Comment
  CLARK-A1703-1186  Encelia farinosa Charles S. Papp 1964-5-3 461 Riverside Riverside Comment
  UCR20716  Encelia farinosa A. C. Sanders, Steve Boyd 1980-5-2 1439 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA457784  Encelia farinosa var. farinosa Steve Boyd, Sara Meury, L. Arnseth, Richard Noyes, D. Nordin, Timothy S. Ross 1988-3-10 2214 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  CAS-BOT-BC131414  Encelia frutescens L. R. Abrams 1926-3-26 11119 Riverside Between Edom and Garnet, East of San Gorgonio Pass Comment
  RSA796477  Encelia frutescens Duncan S. Bell 2009-4-18 229 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
  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
  RSA383799  Ephedra aspera E. C. Jaeger 1922-3-25 701 Riverside Murray Canon, Colorado Desert of California. 366 Comment
  UCR41523  Ephedra aspera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6096 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UC1007229  Ephedra californica Philip A. Munz 1940-3-22 15657 Riverside 2 mi n Banning-Indio boulevard; Southern California, Whitewater Canyon Comment
  UC1083311  Ephedra californica H. L. Mason 1928-3-10 4188 Riverside White water River Comment
  NY70797  Ephedra viridis R. F. Thorne 1967-3-21 41639 Riverside Joshua Tree National Monument: Cottonwood Springs 914.4 Comment
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Oct 9 2010
  UCR128237  Epilobium brachycarpum A. C. Sanders, Kelly Volansky 2003-10-16 27352 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA544384  Epilobium canum subsp. latifolium Steve Boyd, T. S. Ross 1991-6-14 6399 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA609931  Epilobium canum subsp. latifolium R. S. Woglum 1937-11-20 1208 Riverside Peninsular Ranges: Santa Rosa Mountains. Comment
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Dec 9 2014
  RSA556500  Epilobium ciliatum Julie Greene 1993-4-3 1103 Riverside On raised wet area, west of dirt road. 445 Comment
  UCR193124  Epilobium densiflorum A. C. Sanders, Tim Thomas 2008-6-20 35533 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  SDSU12982  Equisetum hyemale subsp. affine Michael G. Simpson with Claudia A. Luke 1999-10-27 2015 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  RSA639636  Equisetum telmateia var. braunii E. Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mtns. Canyon near Murietta. Comment
  UCR74526  Eragrostis curvula var. conferta Steve Morgan 1992-7-27 92- 7 Riverside City of Riverside, UCR Campus Comment
  UCR278869  Eragrostis mexicana Mitch Provance 2012-11-10 17607 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  RSA0105846  Eragrostis mexicana subsp. virescens Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR2390  Eragrostis pectinacea var. pectinacea F. M. Reed 1907-9-10 1908 Riverside City of Riverside. Little Arroyo on Bluffs Ranch. [Bluffs Ranch was located along Arroyo Tesquesquite at Chicago Ave.] 293 Comment
  CLARK-A1656-789  Eremalche exilis Jon Mark Stewart 1982-4-14 Riverside Palm Desert 60 Comment
  JOTR33852  Eremalche exilis La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3064 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; Pinto Wash 322 Comment
  RSA782085  Eremalche rotundifolia Duncan S. Bell 2009-3-7 2 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  RSA573440  Eremocarpus setiger Steve Boyd, D. L. Banks 1994-9-8 8335 Riverside Southern Santa Ana Mountains, just outside of the San Mateo Canyon Wilderness Area of the Cleveland National Forest, flats northeast of the upper end of Tenaja Canyon, south of Wildomar Truck Trail (Tenaja Road, 7S01). 598 Comment
  CAS-BOT-BC160057  Eremothera boothii subsp. condensata Mrs. R. W. Campbell 1922-3-12 34 a Riverside Palm Springs Comment
  RSA0060485  Eriastrum densifolium subsp. austromontanum J. M. Andre 2012-6-15 30534 Riverside Along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest. 1499 Comment
  CLARK-A1045-111  Eriastrum densifolium subsp. elongatum George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  UCR85437  Eriastrum eremicum George K. Helmkamp 1994-4-26 88- 8 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  JEPS69033  Eriastrum eremicum subsp. eremicum W. L. Jepson 1928-4-26 12643 Riverside Whitewater bridge Colorado Desert, San Gorgonio Pass Comment
  SD28074  Eriastrum eremicum subsp. eremicum Carl B. Wolf 1932-5-25 3678 Riverside North base of San Jacinto Mountains; Snow Creek Canyon, 1.0 mile below fish hatchery. 395 Comment
  CAS-BOT-BC514458  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11010 Riverside Palm Springs Comment
  RSA715191  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32518 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA0029393  Eriastrum harwoodii Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4683 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  UC718526  Eriastrum sapphirinum P. C. Everett 1935-6-18 7176 Riverside on road to Santiago Peak near Ortega Highway; Santa Ana Mts., San Juan Canyon 701 Comment
  UCR167058  Eriastrum sapphirinum Scott D. White, Jennifer H. Jones 2005-5-24 11099 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  CAS-BOT-BC515048  Eriastrum sapphirinum subsp. sapphirinum R. Bacigalupi 1941-8-30 2700 Riverside San Jacinto Mts., upper end of Kenworthy Flats 1392 Comment
  RSA239812  Ericameria linearifolia C. W. Tilforth 1973-4-29 780 Riverside Along Hwy 74 between Alpine Village & Paradise Valley , 1 miles E of jct with Santa Rosa Mtns, fire road. Comment
  JOTR32896  Ericameria nauseosa var. mohavensis La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1555 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UC1118789  Ericameria palmeri var. pachylepis R. St. John 1931-1-20 175 Riverside e of Arlington Mountain; Elsinore Quad. 396 Comment
  SEINET2050489 Image available Ericameria paniculata Tony Beck 1968-4-28 6804286 Riverside 4 miles south of trout pond on White Water Canyon road. About 100 yds. E of road; Riversdale Dist. 549 Comment
  SD43532  Ericameria pinifolia Philip A. Munz 1946-10-19 11564 Riverside Coahuila 1095 Comment
  UCR100371  Ericameria pinifolia A. C. Sanders, T. Tennant 1997-11-14 21604 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon 854 Comment
  UC1329851  Ericameria teretifolia James E. Cole 1941-10-20 929 Riverside Optimist Mine Road Joshua Tree National Monument, Lost Horse Valley 1310 Comment
  JOTR36385  Erigeron canadensis La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3339 Riverside Joshua Tree National Park. Queen Valley along Park Blvd, approx 400 m W of GeoTour Rd 1341 Comment
  POM263241  Erigeron foliosus J. C. Roos 1938-5-26 474 Riverside La Sierra. Comment
  RSA504552  Erigeron foliosus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  RSA751929  Erigeron foliosus Scott D. White, Justin M. Wood 2009-5-21 12837 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR174129  Erigeron foliosus A. C. Sanders, T. B. Salvato 2006-6-2 33087 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
  CAS-BOT-BC296240  Erigeron foliosus var. foliosus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UCR3498  Erigeron foliosus var. foliosus Frances Miller 1964-6-5 M 6428 Riverside Box Springs Mtns, end of Big Springs Rd, just above railroad. 396 Comment
  UCR81995  Erigeron strigosus Steve Morgan 1994-3-25 94- 01 Riverside UCR Botanic Garden Comment
  UCR24000  Eriochloa aristata John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio -3 Comment
  OBI83154  Eriodictyon crassifolium Cecelia Call 1958-6-14 10 Riverside One-third mile south of Cleveland National Forest boundary-Tinmine 2 meters high. Comment
  CAS-BOT-BC189126  Eriodictyon crassifolium var. crassifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  UCR107756  Eriodictyon crassifolium var. crassifolium D. L. Banks 1997-5-5 1968 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
  HSC93339  Eriodictyon crassifolium var. nigrescens Scott D. White 1996-4-14 3903 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
  CAS-BOT-BC188973  Eriodictyon parryi H. M. Hall 1896-9-2 332 Riverside San Jacinto Mountains Comment
  UCR237683  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4757 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  JOTR33771  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2926 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  UCR18394  Eriogonum apiculatum A. C. Sanders 1978-9-3 549 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  POM158449  Eriogonum davidsonii P. A. Munz 1927-5-21 10860 Riverside Coahuila Valley. Comment
  POM244786  Eriogonum davidsonii E. C. Jaeger 1938-5-14 s.n. Riverside Covington Flats, Joshua Tree National Monument. 1280 Comment
  RSA613853  Eriogonum davidsonii Scott D. White, Julie Greene, Shelton Dowthit 1996-10-13 4623 Riverside San Jacinto Valley: Eastern foothills of valley (= ''Santa Rosa Hills''), S of Hemet. 550 Comment
  UC574954  Eriogonum davidsonii C. Epling, Wm. Robison 1933-6-26 Riverside Lost Horse Well Little San Bernardino Mountains, Lost Horse Well Comment
  UC64500  Eriogonum davidsonii H. M. Hall May, 1899 Riverside Coyote Canyon El Toro Mt., Coyote Canyon Comment
  SBBG1478  Eriogonum deflexum H. and M. Dearing 1949-4-16 6751 Riverside Box Cyn Comment
  UCSB37947  Eriogonum deflexum Mayers, Anna 1978-4-24 Riverside 4.5 km south of Palm Springs Araby Canyon, south of Araby Drive 215 Comment
  RSA393270  Eriogonum deflexum var. deflexum N. C. Cooper 1949-4-8 3315 Riverside Desert Center. 610 Comment
  RSA65122  Eriogonum deflexum var. deflexum F. W. Peirson 1928-11-30 8215 Riverside Near Cottonwood Spring, west end of Eagle Mountains. Comment
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Oct 9 2010
  RSA749235  Eriogonum deflexum var. deflexum Robert F. Thorne, Rolf Dahlgren, Gertrud Dahlgren 1979-8-23 53612 Riverside Corronwood Springs Area Comment
  RSA0063032  Eriogonum elongatum Andrew Haimov, April Sleigh 1992-5-10 89 Riverside West side of Davis Road, 1/2 mile south of Allessandro Road, San Jacinto Wildlife Area. Comment
  SD229217  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-10-16 927 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  SD229228  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-8-7 790 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  CLARK-A1528-3736  Eriogonum fasciculatum subsp. flavoviride John C. Roos 1948-5-15 3845 Riverside Eagle Mountains Comment
  POM115636  Eriogonum fasciculatum var. foliolosum A. M. Alexander, Louise Kellogg 1941-5-23 2223 Riverside 1.5 miles northeast of Cottonwood Spring, Eagle Mountains. 976 Comment
  POM13746  Eriogonum fasciculatum var. foliolosum E. C. Jaeger 1921-7-15 1193 Riverside Soboba Hot Springs Comment
  RSA774886  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5011 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
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May 22 2012
  UCD100051  Eriogonum fasciculatum var. polifolium Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9005 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills. 854 Comment
  UCR135730  Eriogonum fasciculatum var. polifolium Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9005 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCR150008  Eriogonum fasciculatum var. polifolium Scott D. White, Angelia Carey 2004-4-16 10168 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CAS-BOT-BC253494  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2857 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild, San Jacinto Mountains Comment
  UC64569  Eriogonum gracile H. M. Hall 1897-8-29 866 Riverside Riverside Comment
  UC86025  Eriogonum gracile J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  SEINET9037299 Image available Eriogonum gracile J. L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and aboot 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp, Comment
  RSA700095  Eriogonum gracile var. incultum Virginia Moran 2003-9-1 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 and 33). Accessed from Wilson Valley Road. Comment
  UC217980  Eriogonum heermannii var. argense E. C. Jaeger 1921-11-15 250 Riverside 2 mi e Keyes Ranch Comment
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Nov 6 2011
  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
  VVC412  Eriogonum inflatum W. W. Mayhew 1959-2-4 s.n. Riverside Colorado Desert, 6 miles SE of Midland 228 Comment
  UC61697  Eriogonum inflatum var. deflatum L. D. Copeland 1904-4-30 106 Riverside West Canyon, Palm Spring Comment
  JEPS56845  Eriogonum inflatum var. inflatum W. L. Jepson 1914-5-18 6017 Riverside stream bed near County Well (on grade from Pinyon Well to Indio) 304 Comment
  UC217840  Eriogonum nudum var. pauciflorum P. A. Munz 5989 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2225 Comment
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Sep 8 2011
  RSA679189  Eriogonum nudum var. pauciflorum Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1455 Riverside East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  CAS-BOT-BC258087  Eriogonum plumatella Philip A. Munz 1946-10-20 11595 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1295 Comment
  RSA688859  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
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Dec 4 2012
  UC472762  Eriogonum pusillum M. F. Spencer 1921-4-9 Riverside canyon pr. Palm Springs; Colorado Springs 182 Comment
  POM14255  Eriogonum reniforme P. A. Munz, D. D. Keck 1922-4-9 4919 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  CAS-BOT-BC263507  Eriogonum thomasii Geo. B. Grant 1906-4-20 6719 Riverside Palm Springs Comment
  CAS-BOT-BC263523  Eriogonum thomasii John H. Thomas 1957-3-30 6549 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella, Colorado Desert 426 Comment
  POM122085  Eriogonum thomasii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UCR75076  Eriogonum thomasii A. C. Sanders, E. J. Lawlor 1992-4-4 12120 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCSB1523  Eriogonum thomasii Krogen, Roger 1957-1 Riverside 4 mi. S of Jct. of HWY 195 and HWY 60-70; at N edge of Orocopia mts Comment
  CAS-BOT-BC262876  Eriogonum thurberi John Thomas Howell 1931-6-4 6646 Riverside San Gorgonio Pass Comment
  UCD170271  Eriogonum thurberi Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-4 3633 Riverside SE Vail Lake (Temecula Creek, just n of Hwy 79); Vail Lake area, Temecula Creek. 487 Comment
  UCR261485  Eriogonum thurberi A. C. Sanders, Katie Young, John Hale 2015-4-22 41586 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  UCD70599  Eriogonum trichopes Elizabeth Milauskas 1994-5-7 15 Riverside Palm Springs, 4 blocks W of Via Monte Vista (behind dam) on Agua Caliente Indian Reservation in a desert wash; full sun; dominant Larrea divaricata; annual herb on sandy/gravelly dry soil among shrubs, common, ht. 5cm, fls yellow. 158 Comment
  SD127319  Eriogonum umbellatum var. munzii Reid Moran 1973-7-28 21105 Riverside N slope of Santa Rosa Mts. 1780 Comment
  CLARK-A1528-3727  Eriogonum wrightii subsp. membranaceum John C. Roos 1943-7-31 2705 Riverside San Jacinto Mountains Comment
  POM123356  Eriogonum wrightii var. nodosum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA0097951  Eriogonum wrightii var. nodosum Duncan S. Bell 2014-11-14 7722 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA771741  Eriogonum wrightii var. nodosum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4764 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCR131586  Eriogonum wrightii var. nodosum L. C. Wheeler 1933-12-1 2294 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, mouth of Tahquitz Canyon 152 Comment
  CAS-BOT-BC261933  Eriogonum wrightii var. subscaposum H. E. McMinn 1925-7-2 1505 Riverside Tahquitz Peak trail from Idylwild [Idyllwild], San Jacinto Mts Comment
  CAS-BOT-BC297347  Eriophyllum confertiflorum A. C. Sanders; Kerry Knudsen; T. B. Salvato 2004-5-18 27906 Riverside Peninsular Ranges: Alberhill Mt 445 Comment
  CDA5248  Eriophyllum confertiflorum A. C. Browne 1952-5-13 Riverside Temecula. 0 Comment
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Mar 18 2014
  RSA651121  Eriophyllum confertiflorum Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  UC896340  Eriophyllum multicaule I. W. Clokey 1935-4-18 6987 Riverside Gavilan Gavilan (brushy meadow) 600 Comment
  JEPS29478  Eriophyllum wallacei Lauramay T. Dempster 1962-4-17 1893 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  UC1118232  Eriophyllum wallacei H. S. Yates 1936-4-7 5427 Riverside near Whitewater; San Jacinto Quad. 304 Comment
  UC354505  Eriophyllum wallacei Edmund C. Jaeger 1925-5-9 Riverside Van de Venter's Flat Santa Rosa Mts., Van de Venter's Flat Comment
  RSA604865  Erodium botrys Scott D. White 1995-3-30 2634 Riverside Just west of Box Springs Blvd, east of Sycamore Canyon Park. 457 Comment
  UCR169319  Erodium botrys T. B. Salvato, John F. Green 2004-5-27 615 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
  UCR98698  Erodium botrys S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  CLARK-A1656-629  Erodium cicutarium Lois Ann Scott 1978-4-3 Riverside Palm Springs 152 Comment
  UCR279360  Erodium cicutarium A. C. Sanders, Jim Malusa 2017-3-24 42977 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  RSA781187  Erodium cicutarium D. Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of wter treatment facility, along Smith Creek, 320 m south of E Westward Ave. 628 Comment
  UCR241246  Erodium moschatum T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1212 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  POM14030  Erodium texanum P. A. Munz, D. Keck 1922-4-13 4923 Riverside Hayfields, Chuckwalla Valley 152 Comment
  POM8326  Erodium texanum Mary F. Spencer 1920-3-14 s.n. Riverside Desert sand, Colorado Desert. -60 Comment
  SD128268  Erysimum capitatum R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2066 Riverside Along Coyote Canyon Road, Terwilliger Valley 1170 Comment
  SBBG66754  Erythranthe cardinalis M. Lewis 1947-8-26 23 Riverside Dark Cyn 1981 Comment
  RSA0019308  Erythranthe guttata Scott D. White 2006-4-27 11289 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA0019319  Erythranthe guttata Mary F. Spencer 1921-6-22 1671 Riverside Idyllwild. Comment
  JOTR35483  Eschscholzia androuxii La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3171 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  RSA0022934  Eschscholzia androuxii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA33577  Eschscholzia californica N. C. Cooper 1944-6-4 1362 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UC1584114  Eschscholzia californica Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3859 Riverside cinder cone ridge at n side mouth of Temecula Creek Cyn (s flank of mt.); 'Big' Oak Mtn., Vail Lake area 396 Comment
  UCR113140  Eschscholzia californica A. C. Sanders 1998-3-11 21664 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, saddle dam site 534 Comment
  UCR137498  Eschscholzia californica D. L. Banks, V. W. Steinmann 1997-3-13 1530 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR154829  Eschscholzia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29276 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  HSC99167  Eschscholzia glyptosperma Paul J. CaraDonna 2009-3-17 128 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  JEPS51696  Eschscholzia minutiflora W. L. Jepson 1927-4-12 11652 Riverside Painted Canyon Mecca Hills 76 Comment
  RSA695435  Eschscholzia minutiflora Scott D. White, Michael Honer 2003-5-14 9288 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA776133  Eschscholzia minutiflora Duncan S. Bell, Amanda Turek 2010-4-10 810 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA777723  Eschscholzia minutiflora Jim Andre, G. L. Clifton 2011-2-22 17424 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  SBBG81646  Eschscholzia minutiflora S. A. Junak 1983-3-23 1640 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  OBI38395  Eschscholzia parishii A. C. Sanders, Charlton, Pitzer, Stewart, et al 1986-3-2 6061 Riverside Graham Pass, between the Chuckwalla and Little Chuckwalla Mts 503 Comment
  UCSB21620  Eschscholzia parishii Shaw, M. 1964-4-5 Riverside 1.5 miles east of junction of State Highway 195 and turn-off to U.S. Highway 70 to Joshua Tree National Monument 594 Comment
  RSA709772  Eucalyptus A. C. Sanders 1988-5-29 7878 -B Riverside University of California, Riverside. Botanic Garden. 366 Comment
  RSA0112040  Eucalyptus camaldulensis A. C. Sanders, John F. Green 2012-3-20 39978 Riverside Peninsular Range; Elsinore Trough: Lake Elsinore, Collier Ave. at 3rd St., just south of I-15 Fwy. 389 Comment
  UCR112493  Eucalyptus citriodora A. C. Sanders 1998-6-12 21981 Riverside Riverside, UCR campus, in gravel among trailers in 'surge area' (UCR trailer park) on east side of campus 335 Comment
  UCR142929  Eucalyptus tereticornis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  POM256724  Eucrypta chrysanthemifolia W. Pequegnat 1940-4-13 s.n. Riverside Bedford Truck Trail. Santa Ana Mountains. 793 Comment
  UCR214128  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37743 B Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  UCR250317  Eucrypta chrysanthemifolia A. C. Sanders 2014-4-8 40971 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  JEPS1728  Eucrypta chrysanthemifolia var. chrysanthemifolia W. L. Jepson 1901-5-18 1263 Riverside San Jacinto River; San Jacinto Valley Comment
  SEINET7073346  Eucrypta chrysanthemifolia var. chrysanthemifolia A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UC449852  Eucrypta chrysanthemifolia var. chrysanthemifolia Fred M. Reed 1908-2-2 2017 Riverside Sycamore Canyon Box Springs Hills, Riverside (Box Springs Hills, Riverside and vicinity) Comment
  CLARK-A1528-2697  Euphorbia eriantha John C. Roos 1946-10-26 3140 Riverside Chuckwalla Mountains Comment
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Jan 30 2015
  JOTR32620  Euphorbia eriantha La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1020 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  UCR211499  Euphorbia micromera Jim Andre, T. La Doux 2008-9-13 10266 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  UCR26784  Euphorbia misera A. C. Sanders 1982-3-20 2441 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, S end of Whitewater bench, above a small dirt road to the top of the bench and overlooking I-10 Comment
  SD251222  Euphorbia ocellata subsp. arenicola Duncan S. Bell 2013-1-30 4444 Riverside The Mecca Hills; in an unnamed canyon btween Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Canyon. 138 Comment
  UCR166195  Euphorbia ocellata var. arenicola Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  RSA432447  Euphorbia palmeri Robert L. Dressler 1949-5-8 828 Riverside 5 miles south of Idyllwild, San Jacinto mtns. 1311 Comment
  RSA697592  Euphorbia palmeri J. R. Bruff 1934-7-5 991 Riverside San Jacinto Mts. 2591 Comment
  RSA697601  Euphorbia polycarpa Elisabeth Norland 1930-5-18 2 Riverside Shavers Well Comment
  SD229140  Euphorbia polycarpa Dick Schwenkmeyer 2012-11-6 866 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCR213496  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38410 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 502 Comment
  RSA432472A  Euphorbia polycarpa var. hirtella N. C. Cooper 1944-4-8 1092 Riverside Andreas Canyon. 305 Comment
  UCR111774  Euphorbia polycarpa var. hirtella Mitch Provance, J. Ross 1999-4-1 1726 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  RSA343863  Euphorbia spathulata R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60654 Riverside Santa Rosa Plateau: Mesa de Colorado. 625 Comment
  CAS-BOT-BC300509  Euphorbiaceae O. F. Clarke 2004-3-19 s.n. Riverside Peninsular Range: Riverside; UCR Botanical Garden 412 Comment
  RSA775960  Fagonia laevis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 808 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SBBG92239  Fagonia laevis D. F. Howe 1980-4-15 Riverside Interstate 10, 1 mi W of Mesa Verde; S slope of McCoy Mtns Comment
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Jul 18 2012
  UC569996  Fagonia laevis H. S. Yates 1936-4-7 5445 Riverside 8 mi n Mecca; Thermal Quad. 457 Comment
  UCR275515  Fagonia laevis D. E. Bramlet 2010-3-1 4452 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UCR90301  Fagonia laevis F. M. Reed 1920-3-25 4271 Riverside Sonoran (Colorado) Desert, Near Indian Wells Comment
  RSA792578  Fagonia pachyacantha Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 147 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
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Jan 3 2017
  UCR260260  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2015-3-11 41400 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 674 Comment
  CLARK-A1528-7832  Festuca arundinacea John C. Roos 1949-5-21 4317 Riverside Temecula 304 Comment
  UCR117081  Festuca myuros A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24199 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
  UCR87900  Festuca octoflora A. C. Sanders 1994-5-30 14589 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SD237518  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR137699  Filago californica D. L. Banks, V. W. Steinmann 1997-3-13 1513 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR167298  Filago californica Scott D. White, Jennifer H. Jones 2005-5-24 11096 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR174080  Filago californica A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32514 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
  UCR260547  Filago californica T. B. Salvato, Matt Malle 2014-5-29 8023 A 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
  UCR48530  Filago californica Steve Boyd 1986-4-19 1695 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UC1494258  Flaveria trinervia A. C. Sanders 1981-10-31 2392 Riverside between Riverside and Corona (0.3 mi n of Hwy 91 and 100 yds w of McKinley); McKinley 304 Comment
  UCR3276  Foeniculum vulgare John Kitasako 1964-5-10 45261 Riverside San Jacinto, side of Main St., 0.25 mi. from intersection of Main St. and Camino Banos 459 Comment
  SBBG13910  Fouquieria splendens E. R. Blakley 1962-11-25 5484 Riverside 1 mi W of Desert Center 274 Comment
  UCR96124  Fouquieria splendens B. G. Pitzer 1996-11-9 2922 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
  RSA0018947  Fragaria vesca Philip A. Munz 1938-8-13 15320 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  POM243959  Frangula californica subsp. californica Percy C. Everett 1935-6-17 7137 Riverside Coldwater Can. , trail to Santiago Pk. 1/3 mi. above Glen Ivy Resort. 457 Comment
  SD38248  Frankenia salina Edith A. Purer 1936-4-6 6878 Riverside South of Elsinore Comment
  UCR272492  Frankenia salina Mitch Provance 2013-6-16 613- 21 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  RSA392142  Frasera parryi M. B. Dunkle 1934-6-18 3964 Riverside Upper San Juan Canyon. Comment
  UCR58483  Fraxinus dipetala Ed LaRue 1989-1 s.n. Riverside foothills of San Bernardino Mtns, Hills east of Beaumont, along Potrero Creek, 0.5 mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  CAS-BOT-BC211018  Fraxinus velutina A. C. Sanders; O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Sprng Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UC1929896  Fraxinus velutina Scott D. White, Angelia Carey 2004-7-2 10598 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  RSA765482  Funastrum cynanchoides var. hartwegii Doris Hoover Bowers 1972-4-15 1801 Riverside Pulgas Creek Canyon, Rancho California 396 Comment
  POM184548  Funastrum hirtellum C. L. Hitchcock 1932-4-7 12199 Riverside Corn Springs. Comment
  UCR281020  Funastrum hirtellum Fred M. Roberts 2016-3-5 7999 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  CDA3333  Galenia pubescens E. C. Nord 1971-1-29 Riverside Fire Lab, Riverside. 0 Comment
  JEPS7035  Galium andrewsii subsp. andrewsii Carl V. Meyer 1929-6-18 778 Riverside summit of Hamilton Grade San Jacinto Mts. Comment
  CAS-BOT-BC223037  Galium angustifolium A. C. Sanders 2006-5-19 32435 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn., Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SDSU9312  Galium angustifolium Bruhns 1965-5-23 129 Riverside At 2000' sign along state Hwy 74, below Idyllwild. 610 Comment
  UCR187480  Galium angustifolium Diane Menuz 2006-6-6 130 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Miller Canyon, 1 hour hike from road 549 Comment
  JEPS56069  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4239 Riverside near Maple Creek crossing of road running due e from Vista Grande Guard Station San Jacinto Mts. (open n slope) Comment
  POM367712  Galium angustifolium subsp. angustifolium Christopher Davidson 1973-4-1 1808 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA0013154  Galium angustifolium subsp. angustifolium LeRoy Gross, Duncan S. Bell 2013-4-30 6037 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. Collection site near 1510 Comment
  JOTR29191  Galium angustifolium subsp. gracillimum La Doux, Tasha 2005-8-8 1524 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Eureka Peak 1676 Comment
  POM6765  Galium angustifolium subsp. gracillimum Philip A. Munz, L. T. Street 1919-5-7 2729 Riverside Tahquitz Canyon. 244 Comment
  UCR91529  Galium aparine Scott D. White 1995-3-30 2662 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
  UCR262238  Galium porrigens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3717 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA779685  Galium stellatum subsp. eremicum Duncan S. Bell 2010-4-2 696 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  LA208447  Galium stellatum var. eremicum H. L.; 1939-4-9 Riverside Indio -6 Comment
  CAS-BOT-BC178391  Garrya flavescens Carl B. Wolf 1939-1-20 9486 Riverside East side Santa Ana Mts., along Eagle Motor Way, 1 mi. below summit. 914 Comment
  OBI14155  Garrya fremontii Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts E side, along Eagle Motor Way, 1 mi below summit 914 Comment
  RSA577513  Garrya veatchii D. L. Banks, Steve D. Boyd 1995-1-18 42 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness. N slope of Agua Tibia Mnt., W of Wild Horse Peak, along the Dripping 963 Comment
  CAS-BOT-BC303583  Geraea canescens Mrs. J. C. Augsburg 1926-1-26 s.n. Riverside Palm Springs Comment
  RSA0018591  Geraea canescens Duncan S. Bell 2013-1-30 4457 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA105932  Geraea canescens Richard Mallory 1955-4-6 476 Riverside Borrego Desert State Park. Borrego Valley 8 miles east of Christmas Circle. 152 Comment
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Feb 19 2013
  RSA5157  Geraea canescens C. B. Wolf 1932-4-26 2968 Riverside 3 mi. east of Mecca on Blythe Road 0 Comment
  UC912521  Geraea canescens Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon Comment
  UCD170629  Geranium robertianum A. C. Sanders; T. B. Salvato 2000-5-8 23382 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus. 396 Comment
  RSA601538  Gilia achilleifolia subsp. multicaulis L. Haines, L. Erickson 1937-4-9 s.n. Riverside Riverside-Hemet road near Winchester turnoff. Comment
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Mar 20 2011
  CLARK-A1528-707  Gilia angelensis Stanley W. Austin 1969-5-3 22 Riverside Riverside 487 Comment
  POM280074  Gilia angelensis Lyman Benson 1932-3-26 3168 Riverside 3 miles N [of] Temecula. 457 Comment
  UCR90273  Gilia angelensis Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-7-16 3328 Riverside Santa Ana Mtns, Proposed pipeline route: Lake Elsinore Pumped Storage Hydroelectric project. Steep NE facing mtn slope west of Lake Elsinore, SE of Hwy 74. 915 Comment
  UCR62326  Gilia australis Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  RSA314459  Gilia capitata subsp. abrotanifolia R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55470 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SD197858  Gilia capitata subsp. abrotanifolia Peter L. Morrell, D. L. Banks 1995-5-4 461 Riverside Agua Tibia Wilderness Area, 2.4 miles (air) westsouthwest of Radec. 622 Comment
  RSA0124003  Gilia diegensis Duncan S. Bell, Thomas Stoughton 2016-4-13 9248 A Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  UCR13436  Gilia diegensis Mike McCloskey 1973-5-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., Sandy shoulder of Hwy 74 in Garner Valley 1311 Comment
  RSA470048  Gilia inconspicua P. A. Munz 1932-3-14 11988 Riverside Palm Springs. 91 Comment
  CAS-BOT-BC516256  Gilia maculata R. Patterson; M. Bourell 1994-3-28 1970 Riverside Joshua Tree National Monument; Pinto Basic Rd, ca. 5 mi S of jct with Utah Trail (road to Twenty Nine Palms 1000 Comment
  RSA771690  Gilia maculata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4686 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  CAS-BOT-BC407808  Gilia ochroleuca subsp. exilis H. M. Hall 1902-4-1 2912 Riverside Vicinity of Winchester 365 Comment
  HSC17003  Gilia sinuata C. L. Hitchcock, C. V. Muhlick 1964-3-22 23254 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  UCR23211  Gilia sinuata J. C. Lyman 1981-5-24 s.n. Riverside San Jacinto Mtns., May Valley Rd. Idyllwild. 1768 Comment
  JOTR35458  Gilia stellata Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 62 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  RSA585812  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0346 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SEINET1008980  Glandularia pulchella A. C. Sanders, B. Pitzer, D. Charlton 1986-1 16 -B.G. Riverside Cultivated on grid cell # A-3, near B-3 border. 396 Comment
  RSA595704  Glycyrrhiza lepidota R. E. Riefner 1996-8-27 96 -152 Riverside North ca. 0.5 miles from Cajalco road., W side of Temescal Wash Comment
  CLARK-A1656-742  Gnaphalium bicolor Theo Glenn 1979-2-17 Riverside San Jacinto Mountains Comment
  RSA586118  Gnaphalium californicum D. L. Banks, S. D. Boyd 1995-4-5 0158 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, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 549 Comment
  UCR147705  Gnaphalium luteoalbum Steve Boyd, Aydee Virgen 2004-4-13 108665 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  POM358871  Gnaphalium microcephalum N. C. Cooper 1943-10-9 952 Riverside Hemet. 366 Comment
  RSA720439  Gnaphalium palustre Naomi Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1709 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
  SEINET6413738  Gnaphalium palustre R. Spellenberg 2014-5-7 14777 Riverside S of Moreno Valley, 1.6 km N of Ramona Expressway on Davis Road, toward San Jacinto Wildlife Area. 435 Comment
  POM118628  Guillenia lasiophylla Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SBBG62672  Gutierrezia californica M. N. Ackley 1928-4-1 210 Riverside Snow Crk, Mt San Jacinto 518 Comment
  UC1213974  Gutierrezia microcephala Otto T. Solbrig 1958-8-1 2807 Riverside Morongo Valley Riverside/San Bernardino County line; data in packet says It grows in the canyons and more rocky places. Not in low elevations. Comment
  POM359228  Gutierrezia sarothrae Donald Myrick 1969-10-19 2126 Riverside Along Palms to Pines Hwy 74 above Palm Desert. 610 Comment
  UCR134608  Haplopappus acradenius Marisa Sripracha, Kyle Boyd 2004-2-14 031 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  RSA0066602  Harpagonella palmeri Steve Boyd 1992-4-18 6901 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  CAS-BOT-BC211544  Helianthemum scoparium Carl B. Wolf 1936-6-17 7956 Riverside Tenaja Road, 1 4/10 mi. off Ortega Highway on road to La Cienega, Santa Ana Mts. 609 Comment
  SD229099  Helianthus gracilentus Dick Schwenkmeyer 2012-10-16 928 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCD170502  Helianthus niveus D. O. Burge 2017-3-22 2236 Riverside Palm Springs International Airport, roadside on N Gene Autry Trail. 115 Comment
  UCR72157  Heliotropium convolvulaceum Theo Glenn 1991-5-8 91- 80 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  SD145987  Heliotropium curassavicum A. C. Sanders 1997-5-1 20614 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area, ca.1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 456 Comment
  UCR16101  Heliotropium curassavicum S. Nelson 1974-5-18 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, four mi. west of Murrieta on Tenaja Rd. 610 Comment
  RSA289838  Heliotropium curassavicum var. oculatum B. A. Prigge 1980-9-17 4076 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  RSA525279  Hemizonia fasciculata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4593 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR121173  Hemizonia fasciculata D. E. Bramlet 1989-5-21 1879 Riverside Lake Skinner area, Tucalota Creek drainage, in the center of the Tucalota Hills. 5,500 ft. (~1 mi.) east of 'Old' Warren Road. 482 Comment
  CLARK-A1528-1920  Hemizonia kelloggii John C. Roos 1965-6-27 Riverside Reche Canyon Comment
  RSA216766  Hemizonia kelloggii Robert F. Hoover 1968-6-7 11155 Riverside Lower St Johns Canyon S of Hemet Comment
  RSA659714  Hemizonia kelloggii J. C. Roos 1965-6-27 s.n. Riverside Reche Canyon Comment
  RSA675707  Hemizonia kelloggii Scott D. White 2000-10-24 8143 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 610 Comment
  UCR235054  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-5-27 40200 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, near SW corner of Valley Substation (on Menifee Rd.), just off Case Rd. 445 Comment
  UCR66975  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2053 Riverside N shoulder of Ramona Expressway, 440 m west of Lakeview & c. 587 m east of San Jacinto River 477 Comment
  UCR20356  Hesperocallis undulata Don Emery 1980-3-28 s.n. Riverside Sonoran Desert, Riverside/Imperial Co. line on the E side of Salton Sea, vicinity of Bat Caves Buttes -30 Comment
  UCR79491  Hesperocnide tenella Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7359 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  RSA561014  Hesperolinon micranthum Steve Boyd, Tim Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  OBI8316  Heterotheca grandiflora David J. Keil, Malcolm McLeod 1977-3-26 12008 -2 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  SEINET11261242  Heterotheca grandiflora N. Duane Atwood 1993-3-28 17717 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game.; 0 Comment
  JEPS2489  Heterotheca sessiliflora subsp. fastigiata Marjorie D. Clary 1931-11-15 715 Riverside near Thousand Palms Comment
  SEINET1915160 Image available Heuchera hirsutissima Mike Deslow, Firoozeh Navid-Ara, Valeria Soza 2003-7-15 1447 Riverside Peninsular Ranges, San Jacinto Mountains region, NE side of Tahquitz Peak on trail to Saddle Junction (Dan Jacinto Peak Quad) UTM zone 11 3735919 N, 530422 E 2637 Comment
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Sep 7 2013
  CAS-BOT-BC425262  Heuchera rubescens Winifern W. Swarth 1914-9-14 s.n. Riverside San Jacinto Peak, San Jacinto Mts. 3293 Comment
  RSA676053  Hibiscus denudatus Scott D. White 2001-4-3 8261 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA698121  Hibiscus denudatus W. Marquart 1938-3-12 s.n. Riverside 10 miles west of Blythe. Comment
  RSA734955  Hibiscus denudatus Keith E. Hoffmaster 1935-3-31 595 Riverside Palm Springs Comment
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Aug 27 2011
  UC63099  Hieracium horridum H. M. Hall 1897-8-11 814 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2438 Comment
  JOTR37050  Hoffmannseggia glauca Hodges, Stephen R. 2015-8-20 605 Riverside Joshua Tree National Park. Pleasant Valley, near roadside in ephemeral wet muddy area Comment
  RSA86996  Hoffmannseggia glauca Margaret Stason 1932-03 249 Riverside Roadside near Blythe, eastern Riverside County. Comment
  SBBG3331  Hoffmannseggia glauca H. and M. Dearing 1942-4-6 4867 Riverside ca. 1 to 3 mi E of Blythe Comment
  UCR33610  Hoffmannseggia glauca Sears 1977-10-12 S- 583 Riverside Sonoran (Colorado) Desert, 20 mi. east of Desert Center, 10 mi. east of Corn Springs exit 134 Comment
  SBBG81643  Hoffmannseggia microphylla S. A. Junak 1983-3-23 1630 Riverside E side of Jefferson Rd, opposite entrance to Cahuilla Lake County Park, S of Indio Comment
  UCD105851  Hoffmannseggia microphylla Richard Bates 1949-4-28 s.n. Riverside Cathedral city, southeast of Palm Springs. Comment
  UCSB11231  Hoffmannseggia microphylla Breedlove, Dennis 1961-9-11 Riverside Along roadside of U.S. 60-70, 8 mi. E of Indio 289 Comment
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Mar 29 2014
  UCSB18869  Hoffmannseggia microphylla Winn, Will 1963-2-23 Riverside Ladder Canyon, 9 miles E of Mecca, Coachella Valley 213 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
  UC718285  Hoita orbicularis Carl B. Wolf 1936-6-17 7964 Riverside Tenaja Rd 1 mi s La Cienaga (headwaters of creek); Santa Ana Mts., San Mateo Creek 609 Comment
  UCR133950  Holocarpha virgata subsp. elongata John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  CAS-BOT-BC150021  Holodiscus discolor var. discolor E. W. Lathrop 1977-4-20 7609 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Summit of Santiago Peak on the Riverside County slope side Comment
  RSA572999  Hordeum brachyantherum subsp. californicum Steve Boyd 1986-4-19 1717 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
  UCR211715  Hordeum depressum Fred M. Roberts, Melissa Riedel-Lehrke 2006-4-18 6319 Riverside Perris Basin, San Jacinto Valley, west of Hemet, along west side of Warren Road, 0.1 km north-northwest of the junction of Warren Road and Esplenade Road, 1.5 km north-northwest of the summit of Tres Cerritos Hills 453 Comment
  UCR281279  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 19 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UCR104646  Hordeum intercedens D. E. Bramlet 1996-4-22 2459 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife area, Lovell Unit. The site is approximately 198 m east of Davis Rd. and 183 m north of the San Jacinto River. Locality was some 46 m south of the existing access road 432 Comment
  UCR117388  Hordeum intercedens A. C. Sanders, T. B. Salvato 2001-5-25 24384 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR92703  Hordeum intercedens A. C. Sanders, D. Malueg, K. D. Jones 1996-4-20 18057 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA617991  Hordeum marinum subsp. gussoneanum R. E. Riefner 1998-6-19 98 -361 Riverside Elisnore Trough, Lake Elsinore area Comment
  UCR265605  Hordeum murinum Jordan Zylstra 2014-3-18 14010 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  POM48756  Horkelia clevelandii Fordyce Griffiths Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  POM230988  Horsfordia alata Marjorie D. Clary 1932-3-15 173 Riverside Canyons southwest of Coral Reef Ranch, Coachella at base of Santa Rosa Mountains. 152 Comment
  RSA360705  Hulsea heterochroma Christopher Davidson 1975-6-16 2809 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA679986  Hulsea vestita subsp. callicarpha LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1118 Riverside Black Moutain Road (4501), southeast of Black Mountain & northwest of Fuller Mill Creek. 2012 Comment
  SEINET480190  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside 1 mile south of Idyllwild, along Riverside County Road R1, San Jacinto Mtns. Comment
  JOTR29376  Hymenoclea salsola var. pentalepis La Doux, Tasha, Mike Bell 2006-5-10 1453 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA343866  Hypochaeris glabra R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60658 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  UCR241191  Hypochaeris glabra T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 371 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  CAS-BOT-BC158106  Hyptis emoryi W. R. O. 1974-6-28 0415 Riverside West Riverside Mnts in pass area Comment
  CAS-BOT-BC219740  Hyptis emoryi John Thomas Howell 1928-1-29 3295 Riverside Sandy floor of Painted Canon [Canyon], Colorado Desert Comment
  CLARK-A1528-5344  Hyptis emoryi John C. Roos 1965-12-4 Riverside Desert Center 365 Comment
  LA61596  Hyptis emoryi Joseph Andorfer Ewan; 1929-2-22 3686 Riverside San Jacinto Mountains, Palm Canyon 304 Comment
  PASA1155  Hyptis emoryi M. Stason, F. Brubaker 4/28 Riverside Desert wash - Hidden Springs Comment
  RSA167747  Hyptis emoryi Robert F. Thorne, Robert L. Rutherford 1964-4-10 33550 Riverside Palm Springs. 305 Comment
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Apr 25 2011
  RSA420161  Hyptis emoryi D. A. Young 1969-3-28 P- 312 Riverside Palm Springs. 305 Comment
  RSA797603  Hyptis emoryi Robert F. Thorne, Walter Wisura 1977-9-17 50764 Riverside San Jacinto Mountain: Chino Canyon along road to tramway Comment
  UC883108  Hyptis emoryi Lewis S. Rose 1935-12-18 35656 Riverside Tahquitz Canyon Palm Springs (Colorado Desert); , , Palm Springs 182 Comment
  UCLA61587  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); , near Mecca Comment
  UCR196355  Hyptis emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1382 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR255953  Hyptis emoryi Deidre Conocchioli, Duncan S. Bell 2014-3-11 152 Riverside Devil Canyon in the Santa Rosa Wilderness Area, west of Coachella Valley, 3 mi south of Lake Cahuilla 110 Comment
  UCR19014  Imperata brevifolia John C. Roos 1965-7-22 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs Comment
  RSA0042207  Isocoma acradenia Joseph Brehm 2014-7-16 s.n. Riverside Collected at Dos Palmas ACEC within Upper San Andreas Oasis, 1 mile south of oasis. Comment
  SBBG62883  Isocoma acradenia M. N. Ackley 1928-4-2 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  SEINET10572093  Isocoma acradenia Robert M. King, Robert M. Garvey 2000-2-16 King 11243 Riverside Indian Canyons, south of Palm Springs Comment
  RSA22388  Isocoma acradenia var. eremophila L. S. Rose 1936-12-18 36788 Riverside Desert wash, Palm Springs. Comment
  UC53957  Isocoma acradenia var. eremophila J. Vandeventer 1903-1-1 11 Riverside San Jacinto Mts. Comment
  RSA91176  Isocoma acradenia var. eremophila F. W. Peirson 1922-12-28 4740 Riverside Andreas Canyon, east base of San Jacinto Mts. 244 Comment
  RSA683230  Isocoma menziesii Scott D. White 2003-12-1 9893 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  RSA486457  Isocoma menziesii var. vernonioides Richard Noyes, L. Arnseth 1988-10-30 759 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA559314  Isolepis cernua Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-13 7374 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  UC11122  Isomeris arborea H. M. Hall Apr 1897 450 Riverside Whitewater; Colorado Desert Comment
  UCR48409  Iva axillaris subsp. robustior Steve Boyd 1986-4-22 1730 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  CAS-BOT-BC143415  Ivesia saxosa Annie M. Alexander; Louise Kellogg 1941-5-6 2125 Riverside 13 miles southwest of 29 Palms 1371 Comment
  UCD110248  Juglans A. C. Sanders; T. B. Salvato 2003-5-21 26783 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St., and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  CAS-BOT-BC110044  Juncus acutus H. M. Hall 1905-5-1 5978 Riverside Colorado Desert. Chuckawalla Springs. Comment
  SEINET1004544  Juncus balticus Mitch Provance 2005-1 9806 Riverside Warm Springs Valley; Nichols road wetland area at Alberhill Creek, S of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore. 396 Comment
  RSA678973  Juncus bufonius Scott D. White, Michael Honer 2003-6-3 9454 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR121176  Juncus bufonius D. E. Bramlet 1991-5-2 2111 Riverside Crown Valley, c. 2300 ft. (~0.44 mi.) SE of Rawson Road 701 Comment
  UCR202056  Juncus bufonius Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  POM14376  Juncus bufonius var. occidentalis Phillip A. Munz 1922-4-29 5062 a Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UCR187313  Juncus duranii Naomi Fraga, Et al. 2006-7-11 1723 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  RSA309573  Juncus luciensis James R. Shevock 1975-4-28 4247 Riverside Mesa de Burro, Santa Rosa Plateau, southern Santa Ana Mountains. 600 Comment
  RSA368262  Juncus macrandrus M. B. Dunkle 1933-7-22 3753 Riverside Tahquitz Valley. 2317 Comment
  POM122518  Juncus mexicanus Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR133334  Juncus mexicanus 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
  RSA368338  Juncus rugulosus L. C. Wheeler 1933-12-2 2322 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  RSA526089  Juncus textilis Steve Boyd, Timothy S. Ross 1990-5-11 4662 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
  UCR113866  Juncus xiphioides Mitch Provance 2000-6-24 2070 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA352497  Juniperus californica Mark Morris 1929-3-10 s.n. Riverside San Jacinto Mts. Indian Canyon Comment
  RSA600555  Juniperus californica L. C. Wheeler 1958-10-16 7527 Riverside Riverside: Along highway, 2 miles east of Citrus Experimental Station. Comment
  UCR83576  Juniperus californica A. C. Sanders, P. J. MacKay, L. Lubinsky 1994-10-30 15852 Riverside San Bernardino Mtns., Whitewater River Canyon between Red Dome & Stills Landing, SE of VABM Paw (2988 ft.) 854 Comment
  LA202788  Justicia californica Harlan Lewis; 1935-4-7 sn Riverside Palm Springs 138 Comment
  POM3996  Justicia californica Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  RSA777824  Justicia californica Jim Andre, G. L. Clifton 2011-2-22 17456 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  UCR25774  Justicia californica John C. Roos 1937-4-28 795 Riverside Sonoran (Colorado) Desert, 30 miles west of Desert Center [Shavers Valley] Comment
  JOTR30688  Kallstroemia californica La Doux, Tasha, Jim Andre 2008-9-13 262 Riverside Joshua Tree National Park. Pinto Basin along paved Hwy at Fried Liver Wash 548 Comment
  RSA0062479  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40409 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction. 124 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
  CAS-BOT-BC235499  Keckiella antirrhinoides C. W. Tilforth 1969-7-24 215 Riverside Along Red Mountain Road, east of County Hiway R-3, south of Hemet Comment
  UCR4113  Keckiella antirrhinoides Ronald M. Cope 1965-3-20 s.n. Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Beside dry creek bed that crosses Whitewater Canyon Road about 4 mi from Hwy Comment
  UCSB11619  Keckiella antirrhinoides Wisehart, Karen 1962-5-5 Riverside along roadside; 2.2 miles south of Banning train station; on road to Idyllwild 792 Comment
  SEINET12320631  Keckiella antirrhinoides subsp. microphylla C. W. Tilforth, Wisura, W. 1979-1 1905 Riverside Big Horn Sheep Overlook along Hwy 74 above Deep Canyon, S of Palm Desert Comment
  UCR119859  Keckiella rothrockii subsp. jacintensis Heidi West 2000-7-20 s.n. Riverside San Jacinto Mtns., Hidden Lake Divide, 0.2 mi. ESE of Divide Peak and c. 0.15 mi. SW of the W edge of Hidden Lake, just east of trail from Long Valley to Willow Creek 2659 Comment
  NY790419  Keckiella ternata subsp. ternata G. D. Wallace 1966-7-3 647 Riverside San Jacinto Mountains, near Idyllwild Comment
  RSA734400  Koeleria macrantha Keith E. Hoffmaster 1934-4-8 348 Riverside Santa Ana Mts, Near Corona Comment
  UCR19013  Koeleria macrantha John C. Roos 1952-4-29 5598 Riverside Reche Canyon 457 Comment
  UCR2494  Koeleria macrantha F. M. Reed 1920-6-14 4432 Riverside San Jacinto Mtns., ridge 1 mile west of Idyllwild, Banning road 1677 Comment
  SBBG114130  Krameria bicolor E. Collins 1995-4-9 Riverside Corn Springs Cmpgrd 518 Comment
  UCSB52574  Krameria bicolor Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 57 Comment
  CAS-BOT-BC43703  Krameria erecta F. H. Billings 1931-4-13 s.n Riverside Palm Springs Comment
  JEPS99420  Krameria erecta D. H. Wilken, G. A. Wilken 1997-11-1 15375 Riverside Tributary of San Bernardino Wash, 0.3 km sw of Gold Crown Rd, sw slope of Pinto Mtns. Mojave Desert 605 Comment
  JOTR38529  Krameria erecta Harding, Mitzi, Kipp Callahan 2012-8-27 300 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  RSA248056  Krameria grayi Robert F. Thorne, C. W. Tilforth 1973-5-30 43578 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  RSA408604  Krameria grayi T. W. Minthorn 1926-05 s.n. Riverside Between Banning and Palm Springs. Comment
  RSA682172  Krameria grayi Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10464 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
  RSA795811  Krameria grayi C. P. Cowan 1978-4-23 1170 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR25150  Krameria grayi John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mtns., Lost Palms Canyon, north of Chiriaco Summit Comment
  RSA589083  Lactuca serriola D. L. Banks, S. D. Boyd 1995-10-17 0794 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns E., Just W of the Metasedimentary hills. 524 Comment
  UCR21851  Lactuca serriola 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
  UC76422  Laennecia coulteri Miss M. Alice King 1892-12-1 Riverside JPNI describes Menifee: (w Riverside Co, valley n of Paloma Valley) Menifee Comment
  POM361462  Lagophylla ramosissima Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SEINET13946477 Image available Lamium amplexicaule Kay Raeder 1955-1 477 Riverside Chino Ave at Mckinley Ave south of Pomono near Carbon Canyon; alt 1000 ft 305 Comment
  SEINET7907983  Larrea tridentata D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  UC1329965  Larrea tridentata James E. Cole 1941-5-10 700 Riverside Pinto Basin Joshua Tree National Monument (Cholla Patch) 640 Comment
  UCR238484  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 161 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  UCSB50078  Larrea tridentata Millett, Barbara 1980-5-18 Riverside Corn Springs Campground, on Corn Springs Road 8 miles southwest of its junction with Chuckwalla Road, Chuckwalla Mts 457 Comment
  UC55736  Lastarriaea coriacea H. M. Hall May, 1901 Riverside West Riverside Comment
  UC30436  Lasthenia californica E. L. Koethen 1897-4-1 17 Riverside plains, Riverside Riverside Comment
  CLARK-A1528-256  Lasthenia chrysostoma C. M. Flanagan 1973-4-14 OO 105 Riverside Sunnymead 579 Comment
  RSA0106323  Lasthenia chrysostoma Lyman Benson 1946-4-15 12028 Riverside 2 miles east of Banning. 609 Comment
  RSA487549  Lasthenia coronaria Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  CAS-BOT-BC328106  Lasthenia glabrata subsp. coulteri D. Bramlet 1992-4-9 2221 Riverside 2.6 km W of Lakeview and 15 m to 100 m E of the San Jacinto River and just W of an existing dirt access road. The site is approx. 440 m S of the MWD easement road. 433 Comment
  JEPS35388  Lasthenia glabrata subsp. coulteri W. L. Jepson 1939-4-17 19159 Riverside Temecula 304 Comment
  RSA550489  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2231 Riverside The site is adjcent to 150m north of the Colorado River aqueduct road, some 620m east of warren Road. The site is approximatly 150-305m south of the Ramona Expressway. 427 Comment
  UCR104636  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1996-4-12 2452 Riverside San Jacinto Wildlife Area. 46m S and 23m west of the N end of Pond No. 1. 1.4 km NE of the reserve at Davis rd. 433 Comment
  RSA524596  Lasthenia gracilis Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3911 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA560359  Lasthenia gracilis Steve Boyd 1992-4-14 6822 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  UC188983  Lasthenia gracilis Lemmon 1880-5-1 1 Riverside San Gorgonio Pass Comment
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Mar 9 2011
  UCR167083  Lasthenia gracilis Scott D. White 2005-3-29 10834 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR92704  Lasthenia gracilis A. C. Sanders, S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  PASA1050  Lathyrus alefeldii Frank W. Peirson 1922-4-28 Riverside Leach canyon, Elsinore Region 548 Comment
  RSA33836  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-5-20 1247 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  POM29611  Lathyrus vestitus subsp. laetiflorus Charlotte M. Wilder 1904-05 s.n. Riverside Declez Pass [West end Jurupa Mts.] Comment
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Nov 6 2011
  SD237493  Lavandula X intermedia A. C. Sanders 2012-4-12 40030 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon, along Temescal Canyon Road between Glen Ivy and Indian Truck Trail, near El Hermano Road (Lake Matthews 7.5'Q) 312 Comment
  POM361635  Layia glandulosa Ora M. Clark 1929-3-16 1696 Riverside South of Cabazon. Comment
  CAS-BOT-BC379667  Layia platyglossa Steve Boyd 1986-4-22 1764 Riverside Temescal Canyon: Terrace escarpment W side of Indian Wash, S of I-15 Comment
  RSA716823  Layia platyglossa A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25840 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SEINET11447836 Image available Layia platyglossa F. Gillman 1904-1 4 Riverside Banning Comment
  UC62891  Layia platyglossa H. M. Hall 1901-5-1 Riverside W Riverside Comment
  UCD133983  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR847  Layia platyglossa subsp. campestris Leland R. Dykes 1962-4-6 26 Riverside Lake Matthews area; off La Sierra Ave., 5.8 mi from Riverside Freeway Comment
  SD181796  Lemna Scott D. White 2001-6-29 8626 A Riverside Menifee Valley: Ca. 1.4 miles southwest of the I215/Newport Road Interchange, northwest of the intersection of Holland Road and Bradley Road. 438 Comment
  POM1564  Lemna gibba I. M. Johnston 1918-5-30 2010 Riverside Lake Elsinore. 366 Comment
  POM78933  Lemna gibba I. M. Johnston 1925-7-7 5281 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  UC218246  Lemna gibba P. A. Munz and I. M. Johnston 1922-5-19 5437 Riverside 1 mi from Garner Ranch (San Jacinto Mountains, Hemet Valley); San Jacinto Mountains, Hemet Valley 1386 Comment
  SD240784  Lemna minor A. C. Sanders, John F. Green 2012-5-27 40216 Riverside Peninsular Range: Santa Ana Mountains Region; Temescal Creek at I-15 crossing, between Alberhill and Horsethief Canyon (Alberhill 7.5'Q) 363 Comment
  RSA643101  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey. 701 Comment
  CAS-BOT-BC88684  Lepidium acutidens John Thomas Howell 1930-5-10 4783 Riverside 1 mile south of Perris. Comment
  UCR110920  Lepidium densiflorum A. C. Sanders, K. C. Rose 1999-6-18 22823 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  JOTR34340  Lepidium fremontii var. fremontii Andre, Jim 2012-4-11 20682 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
  POM254732  Lepidium lasiocarpum P. A. Munz 1940-3-23 15687 Riverside north end of Pinto Basin 610 Comment
  POM259967  Lepidium lasiocarpum P. A. Munz 1940-3-23 15724 Riverside N end of Pinto Basin mojave desert 915 Comment
  RSA796331  Lepidium lasiocarpum Duncan S. Bell 2009-4-18 203 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
  UCSC000316  Lepidium virginicum var. medium I. J. Condit 2010-6-21 s.n. Riverside San Jacinto Mts., Strawberry Valley 1676 Comment
  UCR166805  Lepidium virginicum var. robinsonii R. E. Riefner Jr. 2005-4-1 05- 196 Riverside Hemet, hills SW (c. 0.5 mi) off intersection of California Avenue and Stetson Avenue 497 Comment
  SD127552  Lepidospartum squamatum Reid Moran 1967-11-7 14647 Riverside 4 mi N of Palm Springs 299 Comment
  UCR177855  Lepidospartum squamatum Marisa Sripracha, K. A. Boyd 2004-3-21 047 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA575979  Leptochloa fusca subsp. uninervia Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  RSA87136  Leptochloa fusca subsp. uninervia F. W. Peirson 1924-12-30 5404 Riverside Thousand-Palms Canyon, north side of Coachella Valley. 122 Comment
  UCD64017  Leptochloa fusca subsp. uninervia Edward G. Wegenek 1970-8-24 - 955 Riverside s.e. Riverside County: Blythe area. Comment
  UC2031379  Leptochloa mucronata Duncan S. Bell with John Anderson, Kim Clark, Debbie George, Jim George, and Ed Howland 2013-9-28 6021 Riverside Chuckawalla Valley; approx. 22.25 air miles W of Blythe, S side of Ford Dry Lake, about 0.5 air miles SE of Hopkins Well. Comment
  RSA468602  Leptosiphon aureus Frances L. Cramer 1941-5-3 20327 Riverside Joshua Tree National Monument Comment
  RSA525699  Leptosiphon floribundus Steve Boyd, T. S. Ross 1990-5-11 4637 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
  RSA500557  Leptosiphon lemmonii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3602 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  SD81281  Leptosiphon lemmonii Darley F. Howe 1969-5-15 4590 Riverside Near Cripping Springs Campground. 456 Comment
  POM364643  Leptosiphon liniflorus H. Twining 1888-03 s.n. Riverside Riverside Comment
  SJSU8710  Leptosiphon nuttallii J. W. Tofflemire 1957-4-18 Riverside 5 mi up Baurista Canyon Rd SE of Hemet 1219 Comment
  SFV7333  Leptosyne californica T. Gordon, K. Kimbrough 1975-3-16 850 Riverside 10 miles south of Corona. Open fields adjacent to Highway 71. 365 Comment
  UCR159199  Lessingia filaginifolia A. C. Sanders, Kelly Volansky 2005-8-31 31592 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
  CAS-BOT-BC339362  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside At Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  CAS-BOT-BC274536  Leymus triticoides H. Wedberg 1962-7-28 993 Riverside Meadow in Hemet Valley; about 1 mile from Hurkey Creek Public Camp on the road to Santa Rosa Summit, San Jacinto Mountains 1371 Comment
  SEINET10501653  Lilaea scilloides Robert F. Thorne 1974-5-23 Thorne 44658 Riverside Santa rosa plateau, rancho california: near junction of tenaja road and road to Ranch headquarters in cold, clear water of small stream, with ranunculus Aquatilis, marsilea mucronata, eleocharis montevidensis parishii, potamogeton Foliosus, callitriche heterophylla bolanderi, etc. 610 Comment
  RSA701362  Linanthus androsaceus subsp. micranthus Steve Boyd, Aydee Virgen 2004-4-13 10873 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  POM279171  Linanthus dianthiflorus subsp. dianthiflorus Lyman Benson 1932-3-26 3181 Riverside Summit Temecula Grade. Comment
  POM364583  Linanthus dianthiflorus subsp. dianthiflorus N. C. Cooper 1949-10-25 1014 Riverside Banning. 701 Comment
  POM364586  Linanthus dianthiflorus subsp. dianthiflorus Thekla Mohr 1920-05 s.n. Riverside Ivy Canyon, Temescal. Comment
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Oct 2 2011
  RSA339068  Linanthus dianthiflorus subsp. dianthiflorus R. F. Thorne, C. W. Tilforth 1980-5-28 54242 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA395904  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-4-22 1779 Riverside Gavillian Hills: Plateau remnant on ridge E of Estelle Mountain, S of Dawson Canyon. Comment
  UC68713  Linanthus jonesii H. M. Hall Apr 1905 5816 Riverside 10 mi w Coachella; Colorado Desert 152 Comment
  JEPS8951  Linanthus lemmonii Rimo Bacigalupi with G. T. Robbins 1954-5-16 4472 Riverside about 0.75 mi s Sage (along State Highway 79, near summit of grade) 762 Comment
  UCR62097  Linanthus lemmonii G. R. Ballmer 1990-5-6 s.n. Riverside Vicinity of Crown Valley: south of Domenigoni Valley & N (&W) of Rawson Canyon, where a little road goes into hills from Newport Road. 549 Comment
  UC23789  Linanthus liniflorus Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  SEINET273138 Image available Linaria canadensis var. texana O. F. Clarke 1997-3-4 5454 Riverside Riverside: vacant lot at back of St. George's Episcopal church corner of SPruce St. and Watkins Dr. 305 Comment
  RSA289805  Lipocarpha micrantha B. A. Prigge 1980-8-12 3941 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  UCR91218  Lithophragma affine Scott D. White 1996-3-31 3859 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UCR139160  Loeflingia squarrosa S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  UCR183006  Loeflingia squarrosa Mitch Provance 2003-5-5 4403 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  POM311149  Loeseliastrum schottii H. K. Sharsmith 1952-4-8 4050 Riverside Western lobe of Pinto Basin, Joshua Tree National Monument. 610 Comment
  POM9195  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-4 3525 Riverside Pass south of Palm Springs. 152 Comment
  RSA0121170  Logfia arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9180 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
  SEINET186304 Image available Logfia depressa Philip A. Munz 1940-1 15688 Riverside N end of Pinto Basin, Mohave Desert 610 Comment
  UC405427  Logfia depressa Katharine Brandegee 1899-1 Riverside Colorado Desert Comment
  UC1608221  Logfia gallica Steve Boyd 1992-4-15 6885 Riverside 0.5 mi ne of jtn with San Mateo Creek along Tenaja Trail (w of Fisherman's Camp); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 548 Comment
  RSA613311  Lolium perenne subsp. multiflorum D. L. Banks 1997-3-1 1376 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  POM305708  Lomatium lucidum Anonymous, Henry J. Ramsey 1939-4-22 1031 Riverside Hemet-Anza, Bautista Creek Rd. Comment
  RSA587146  Lomatium lucidum D. L. Banks, S. D. Boyd 1995-6-2 557 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 the boundary of sections 32 & 33. 1042 Comment
  RSA613645  Lomatium lucidum D. L. Banks, Victor Steinmann 1997-3-13 1474 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
  UC1537173  Lomatium utriculatum Gordon H. True Jr. 1935-3-18 125 Riverside hills e. Citrus Expt. Station (Box Springs); Box Springs 396 Comment
  LA204616  Lonicera subspicata Victor Duran; 1933-7-2 3496 Riverside Santa Rosa Mountains, Vandeventer Flat 1523 Comment
  POM296448  Lonicera subspicata Lyman Benson 1945-11-10 11912 Riverside 5 miles east of Temecula. 457 Comment
  UCR177636  Lonicera subspicata John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR231194  Lonicera subspicata A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39926 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  CAS-BOT-BC234885  Lonicera subspicata var. denudata Steve Boyd 1986-5-7 1831 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  JEPS24429  Lonicera subspicata var. denudata Peter M. Ray 1949-12-26 1582 Riverside at summit or road from Hemet; San Jacinto Mts., Hall Canyon 1645 Comment
  RSA0020465  Lophocereus schottii Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6031 Riverside Chuckwalla Mountains; about 0.25 air mile southeast of Corn Spring. 480 Comment
  RSA605678  Lotus R. S. Woglum 1939-4-11 2219 A Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  UCR4748  Lotus argophyllus Frank C. Vasek 1960-3-24 600324- 32 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  RSA249868  Lotus crassifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38155 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmore 1677 Comment
  UC218072  Lotus grandiflorus P. A. Munz and I. M. Johnston 1922-5-19 5403 Riverside 1 mi above mouth of Strawberry Creek; San Jacinto Canyon, Strawberry Creek 1219 Comment
  UCR116983  Lotus hamatus A. C. Sanders, T. B. Salvato 2001-5-3 24080 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR266810  Lotus humistratus Mitch Provance, Matt Amalong 2015-3-25 315- 20 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UC15661  Lotus nevadensis var. nevadensis H. M. Hall Jul 1901 2337 Riverside vicinity Deer Springs; San Jacinto Mountains 2743 Comment
  UCR195134  Lotus oblongifolius A. C. Sanders, Tim Thomas 2008-8-1 35952 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCR202591  Lotus oblongifolius Scott D. White, Justin M. Wood 2008-7-8 12371 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  UCR120339  Lotus purshianus Mitch Provance 1998-7-23 924 Riverside Jurupa Mountains, Glen Avon Heights, 'Granite Hill', 0.5 mile SSW of peak 1437, on the E side of the water tank 259 Comment
  UCR187285  Lotus purshianus Diane Menuz, Theresa Johnson 2006-8-2 197 Riverside Peninsular Range; Santa Ana Mtns, Santa Margarita Ecological Reserve, along Santa Margarita River in Temecula Canyon, c. 100 m upstream from road crossing of river 274 Comment
  UCR193882  Lotus purshianus A. C. Sanders 2008-7-25 35895 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  RSA498786  Lotus rigidus F. W. Peirson 1920-2-16 s.n. Riverside Murray Canyon, Palm Springs region. 274 Comment
  UC922960  Lotus rigidus Annie M. Alexander and Louise Kellogg 1940-3-21 890 Riverside 20 mi s 29 Palms; Barker Dam 1322 Comment
  UCR25958  Lotus salsuginosus var. salsuginosus John C. Roos, L. Roos 1952-5-19 5694 Riverside One year old burn on hills north of Moreno 518 Comment
  CSUSB1267  Lotus scoparius Ray O. Perez 1955-5-5 Riverside shady bank 200 yards east of life science building (UCR campus) Comment
  UCR137561  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-5 27760 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR154392  Lotus scoparius subsp. brevialatus A. C. Sanders, Mike Misenhelter 2005-6-15 30970 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
  RSA314658  Lotus scoparius var. brevialatus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55476 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA522082  Lotus strigosus Steve Boyd, T. S. Ross, Kyle Boyd 1989-6-24 3748 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 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
  UCR260582  Lotus strigosus A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41534 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  RSA406407  Lotus strigosus var. tomentellus Gale Sphon 1955-5-21 s.n. Riverside 5 miles north of Lake Fulmore Comment
  RSA176229  Lotus tomentellus R. F. Thorne 1963-3-29 32383 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA444319  Lotus tomentellus Walter Wisura 1988-3-1 4188 Riverside In wash off I 10 at beginning of Box Canyon Road toward Mecca. Comment
  RSA554648  Lotus tomentellus A. C. Sanders, E. J. Lawlor 1992-4-4 12089 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA69870  Ludwigia peploides subsp. peploides J. C. Roos 1951-9-25 5250 Riverside Fairmount Park 259 Comment
  UCR1291B  Lupinus albifrons Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, 150 yd east of Teneja Rd. and c. 8 mi from the junction with Washington Ave., Murrieta 732 Comment
  POM349952  Lupinus arizonicus N. C. Cooper 1944-3-25 2016 Riverside Morongo Pass. 457 Comment
  RSA414834  Lupinus arizonicus H. de Forest 1937-3-15 s.n. Riverside West of Desert center Comment
  LA212019  Lupinus bicolor Naomi Fraga; Duncan Bell 2009-5-6 2704 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488.0 Comment
  RSA583482  Lupinus bicolor Steve Boyd 1995-5-13 8512 Riverside Santa Ana Mountains, south of Elsinore Peak near intersection of road to radio towers on summit and trail following old Main Divide Road grade. 1037 Comment
  RSA651072  Lupinus bicolor Margaret Murphy 1983-4-15 0012 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  POM350060  Lupinus bicolor subsp. microphyllus E. Crow 1929-2-24 176 Riverside Near Cabazon, NW Colorado Desert Comment
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Mar 13 2011
  SEINET238181  Lupinus concinnus George K. Helmkamp 1998-6-27 4097 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  UCR174923  Lupinus excubitus Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Range, San Jacinto Mtns., Calif. Hwy 243 at turnout around Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  UCSB26812  Lupinus excubitus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns. 2377 Comment
  CAS-BOT-BC216685  Lupinus excubitus subsp. hallii C. B. Wolf 1932-5-25 3693 Riverside 0.25 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 670 Comment
  RSA503924  Lupinus excubitus var. austromontanus N. C. Cooper 1944-5-20 1308 Riverside Palms to Pines Hwy, San Jacinto Mts. 1280 Comment
  UCR139039  Lupinus hirsutissimus D. L. Banks, V. W. Steinmann 1997-3-13 1416 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR258631  Lupinus hirsutissimus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7896 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UC15767  Lupinus latifolius var. parishii Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  RSA413773  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  POM2485  Lupinus microcarpus var. densiflorus M. French Gilman 1904-1 42 Riverside Banning. Comment
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Mar 13 2011
  RSA413800  Lupinus nanus subsp. nanus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA676293  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SDSU12937  Lupinus sparsiflorus Jutta Buschbom 1991-6-20 36 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
  UCD109484  Lupinus sparsiflorus Gordon Pilone 1961-3-1 93 Riverside White Water Canyon, 1/2 mile below fish hatchery. 457 Comment
  UCR121225  Lupinus sparsiflorus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2310 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR177114  Lupinus sparsiflorus Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1104 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  RSA559418  Lupinus truncatus Steve D. Boyd 1992-4-15 6861 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA583371  Lupinus truncatus Steve Boyd, Darin L. Banks 1995-4-5 8427 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
  UCR19427  Lycium andersonii Carl Epling, George H. Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mountains Comment
  UCR49788  Lycium andersonii D. C. Hawks, Guy Bruyea 1987-4-3 s.n. Riverside Peninsular Range, Gaylord property, NW of Aguanga 550 Comment
  UCR103780  Lycium barbarum Scott D. White 1994-10-21 2506 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  POM243630  Lycium cooperi E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  RSA0054924  Lycium cooperi W. Marquart 1938-3-12 s.n. Riverside Mule Mts. South of Chuckawalla Range. Comment
  RSA650056  Lycium pallidum var. oligospermum N. J. Chatterton, C. M. McKell 1966-4-26 s.n. Riverside Gold Valley Ranch. Table Top Mtns. Comment
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Jun 9 2013
  SEINET10809133  Machaeranthera David B. Dunn, Howard Brown 1947-1-12 Dunn 2836 Riverside Pushawala Canyon, Indio Hills. Along alkali banks. Comment
  RSA781414  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2011-10-22 2994 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
  RSA524593  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3908 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  POM13875  Maianthemum racemosum subsp. amplexicaule E. C. Jaeger 1921-7-12 1170 Riverside Deer Springs. San Jacinto Mountains. Comment
  POM46858  Maianthemum stellatum Mary F. Spencer 1924-5-5 2391 Riverside Tahquitz Valley, San Jacinto Mountains. 2591 Comment
  CAS-BOT-BC514238  Maianthemum stellatum P. A. Munz 1922-7-6 6006 Riverside Tahquitz Valley, San Jacinto Mt., C.F. Baker Herbarium of Pomona College 2194 Comment
  RSA752792  Malacothrix californica Scott D. White, Justin M. Wood 2009-5-21 12863 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  CAS-BOT-BC347695  Malacothrix glabrata L. A. Greata 1905-4-1 413 Riverside Coachella Comment
  CHSC8376  Malacothrix glabrata Edward L. Smith 1957-4-3 263 Riverside Located 1 mi. n on hwy. 99 to 29 Palms, San Bernardino Mts. 91 Comment
  POM362323  Malacothrix glabrata Ora M. Clark 1929-3-16 1718 Riverside NW Whitewater Comment
  POM6609  Malacothrix glabrata P. A. Munz, L. T. Street, Williams 1919-3-28 2370 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA777726  Malacothrix glabrata J. Andre, Glenn L. Clifton 2011-2-22 17429 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  UCR116621  Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside Western Colorado Desert, Coachella Valley, Garnet, along transmission line route east of Garnet Wash 232 Comment
  UC354462  Malacothrix saxatilis var. tenuifolia Edmund C. Jaeger 1925-7-2 Riverside Jack Rabbit Trail between Moreno and Beaumont Comment
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Mar 21 2011
  IRVC75  Malosma laurina Ken Ellis 1965-4-24 s.n. Riverside Ortega Highway; Upper San Juan Creek Camp. Santa Ana Mountains Comment
  RSA92732  Malosma laurina J. C. Roos, Lucille Roos 1954-7-10 6191 Riverside North side Pigeon Pass, Box Springs Mountains. 488 Comment
  RSA0034091  Malva parviflora Duncan S. Bell 2013-1-30 4450 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA0042213  Malva parviflora Margaret Murphy 1983-5-21 0035 -D Riverside Moreno Acres of the unincorporated area known as Sunnymead. North section of parcel 475-090-006, lot 20. Comment
  RSA441213  Marah macrocarpa M. V. Hood 1945-3-26 s.n. Riverside Aguanga. 610 Comment
  UC1537624  Marah macrocarpa Gordon H. True Jr. 1935-3-1 38 Riverside Gavilan Hills 548 Comment
  RSA0120002  Marina orcuttii Duncan S. Bell, Thomas Stoughton 2016-4-13 9255 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; west side of Martinez Mountain; northwest section of Little Pinyon Flat. 1267 Comment
  UCR22491  Marina parryi C. S. Jones 1979-3-28 43 Riverside Sonoran (Colorado) Desert, about 1 mi SE of Eagle Mountain near Old Eagle Mtn. Road 351 Comment
  RSA776949  Marina parryi Amber Swanson 2011-3-19 242 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  CSUSB1680  Marrubium vulgare Jeanne Cox 1973-7-16 Riverside Near 91 freeway in Riverside. 304 Comment
  UCR101462  Marsilea vestita A. C. Sanders, K. C. Rose 1998-9-29 22240 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR241681  Matricaria discoidea T. B. Salvato 2013-3-22 7396 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  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
  LA206252  Meconella denticulata W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  RSA552749  Meconella denticulata Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6735 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  POM348040  Medicago polymorpha Ora M. Clark 1929-3-2 1633 Riverside Near Elsinore. Comment
  CLARK-A1528-74  Melica imperfecta C. M. Flanagan 1973-4-14 OO 107 Riverside Sunnymead 609 Comment
  JEPS76213  Melica imperfecta W. L. Jepson 1939-4-19 19210 Riverside 3 mi s Aguanga 731 Comment
  RSA0011411  Melica imperfecta Duncan S. Bell, Caitlin Elam 2013-5-21 4967 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  RSA586159  Melica imperfecta D. L. Banks, Steve Boyd 1995-3-30 124 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail., NW 1/4 NW 1/4 726 Comment
  SEINET191891 Image available Melica imperfecta C. L. Hitchcock 1940-4-12 6042 Riverside 8 miles northwest of Elsinore 457 Comment
  SEINET949795 Image available Melica imperfecta Mitch Provance 2003-1 9906 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery 274 Comment
  UCR121098  Melica imperfecta A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24981 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR195616  Melica imperfecta Pesach Lubinsky, Jeffrey Ross 1998-5-31 049 Riverside San Bernardino Mtns., Morongo Indian Reservation, eastern fork of Lion Canyon 713 Comment
  UCR41432  Melilotus albus Scott Cantrell, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional Park. south side of the river 207 Comment
  POM348169  Melilotus albus E. Crow 1929-2-22 168 Riverside Border of Santa Ana Mts. S of Corona Comment
  CSUSB1117  Melilotus indicus Kheng Try Seng 1966-4-13 660413 7 Riverside Santa Ana Mountains Northeast slope of Santa Ana Mountain. End of Main Street, 4 miles from downtown Corona. 457 Comment
  SEINET2063367 Image available Melilotus indicus Diane L. Ill 1985-5-12 38 Riverside Gavilan Hills, Hartford Springs, 1.6 mi S of Cajalco Rd. on Gavilan Rd. Right side of Road along Spring 609 Comment
  UC672668  Mentzelia affinis H. L. Mason 1928-3-11 4241 Riverside near Indio (desert flats) Comment
  JOTR35486  Mentzelia albicaulis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3174 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  JEPS42807  Mentzelia involucrata W. L. Jepson and W. C. Mathews 1914-5-18 6009 Riverside n Indio (Pinon Well to County Well) 457 Comment
  SBBG25136  Mentzelia involucrata D. Myrick 1966-4-2 1332 Riverside upper end of Aqueduct Rd, SE of Desert Hot Springs Comment
  SBBG81633  Mentzelia involucrata S. A. Junak 1983-3-23 1637 Riverside E side of Jefferson Rd, across from entrance to Cahuilla Lake County Park 3 Comment
  SBBG97173  Mentzelia involucrata W. L. Halvorson 1977-2-5 77 -11 Riverside bajada, near jct of I-10 and rd to Joshua Tree Nat Monument Comment
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Jun 4 2012
  SDSU8092  Mentzelia involucrata Darren S. Smith 1992-4-5 Riverside 480 Comment
  SEINET7048064  Mentzelia involucrata var. megalantha Steven R. Hill 2001-4-29 33541 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  SEINET3141261  Mentzelia jonesii R. W. Spellenberg, N. Zucker 2001-3-28 13187 Riverside along Pinkham Canyon Rd. at W end of Cottonwood Mts., ca. 20 air km N of N end of Salton Sea, 31 rd. km N of graded frontage road along IH-10 720 Comment
  SD3178  Mentzelia laevicaulis Fidella G. Woodcock 1928-4-27 Riverside North grade near base of San Jacinto Mountain at San Jacinto Creek. Comment
  RSA0107475  Mentzelia longiloba var. longiloba Duncan S. Bell, Amanda Turek 2009-3-29 149 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  UCR82272  Mentzelia longiloba var. longiloba J. M. Stewart 1994-3-15 823 Riverside eastern Colorado Desert, Interstate 10 and Hwy 78; along freeway in Blythe. Comment
  RSA5165  Mentzelia obscura Carl B. Wolf 1932-4-26 2976 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  UCR29850  Mentzelia obscura George K. Helmkamp 1983-3-24 383- 06 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at junction of the Graham Pass and Chuckwalla Springs Roads 229 Comment
  CHSC1024  Mentzelia veatchiana V. Holt 1935-4-16 Riverside San Jacinto Mountains. Comment
  UCR201420  Mentzelia veatchiana Scott D. White, Angelia Carey 2004-4-16 10162 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR201624  Mentzelia veatchiana Scott D. White, Justin M. Wood 2008-6-16 12133 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  CLARK-A1656-751  Micropus californicus Theo Glenn 1979-3-31 Riverside San Jacinto Mountains Comment
  UCR60713  Micropus californicus var. californicus R. F. Thorne 1973-5-23 43870 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UCR77769  Microseris douglasii subsp. douglasii Steve Boyd, D. E. Bramlet 1991-5-13 6233 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  RSA180327  Microseris heterocarpa E. W. Lathrop 1965-4-18 5664 Riverside 10 miles west of Murrieta. Comment
  UCR182514  Microseris heterocarpa Mitch Provance 2005-5-17 6596 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
  UCR165917  Microseris lindleyi T. B. Salvato, John F. Green 2004-5-27 556 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  SEINET10796647  Mimulus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12839 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  UCR84639  Mimulus aurantiacus var. pubescens Scott D. White, S. Ogg 1994-4-21 1987 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR138154  Mimulus aurantiacus var. puniceus D. L. Banks 1997-2-23 1305 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  RSA124413  Mimulus bigelovii var. bigelovii Percy C. Everett, E. K. Balls 1958-4-29 23017 Riverside U. S. Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
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Mar 20 2011
  SDSU10761  Mimulus brevipes T. B. Bruhns 1965-5-22 102 Riverside Campground by Hemet Lake; San Jacinto Mtns. Comment
  SDSU13930  Mimulus brevipes Michael G. Simpson 2000-5-13 2119 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  UCR133438  Mimulus brevipes Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 207 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  SEINET3078508 Image available Mimulus cardinalis Emily E. McGregor 1972-5-21 s.n. Riverside Santa Ana River bottom, off Freemont Drive Comment
  RSA543623  Mimulus diffusus Steve Boyd 1991-5-7 6158 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR280945  Mimulus fremontii Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 71 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  SBBG47460  Mimulus guttatus N. C. Cooper 1944-5-6 1211 Riverside Whitewater Cyn, Whitewater River 457 Comment
  UCR216241  Mimulus guttatus Oleg Pryadko 2008-5-2 052 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCSB46712  Mimulus guttatus Reimer, Neil 1977-4-15 Riverside 1 mile S Cajalco Rd; on Santa Rosa Rd Comment
  UCSC000872  Mimulus guttatus Peter Kamb 1947-6-7 580 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  RSA0054845  Mimulus guttatus var. nasutus Keith E. Hoffmaster 1933-4-14 528 Riverside Tahquitz canyon. Comment
  UC489084  Mimulus inodorus C. V. Meyer 1928-7-26 524 Riverside 1/2 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  UC922770  Mimulus nasutus Annie M. Alexander and Louise Kellogg 1940-3-21 885 Riverside 20 mi s Twenty Nine Palms (at base of Barker Dam); Mohave Desert 1322 Comment
  UC56261  Mimulus parishii F. Gilman 1902-1 18 Riverside Palm Springs Comment
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Jul 6 2010
  JOTR31052  Mimulus pilosus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2035 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UCR155835  Mimulus pilosus John F. 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 534 Comment
  RSA0120241  Mimulus rubellus Duncan S. Bell 2016-4-14 9276 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  CAS-BOT-BC388775  Minuartia douglasii Steve Boyd; Tim Ross; Dave Bramlet 1993-5-12 7340 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 426 Comment
  RSA583751  Minuartia douglasii Steve Boyd 1995-4-24 8480 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 its junction with the Dripping Springs Trail. 610 Comment
  UCR13751  Mirabilis bigelovii var. retrorsa N. R. Zabriskie, W. W. Zabriskie 1971-2-15 340 Riverside Western Colorado Desert/ San Jacinto Mtns, North Canyon, Andreas Canyon drainage, E slope San Jacinto Mtns. 427 Comment
  SEINET204358  Mirabilis californica R. Bacigalupi, L Heckard 1962-3-25 8405 Riverside Nr hdwtrs Temescal Wash/Canyon W base Estelle Mt opposite Indian Cyn 3.3 mi NW Alberhill on Hwy 71 305 Comment
  RSA0040030  Mirabilis laevis W. Marquart 1938-3-12 s.n. Riverside Ten mi. east of Blythe. Comment
  POM747  Mirabilis laevis var. crassifolia I. M. Johnston 1918-4-27 1867 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  RSA464251  Mirabilis laevis var. crassifolia Bonnie C. Templeton, I. W. Clokey 1930-4-9 1012 Riverside North of Palm Springs. Colorado desert. 400 Comment
  RSA614675  Mirabilis laevis var. crassifolia Scott D. White 1993-3-12 1163 Riverside Near Winchester. Comment
  SEINET244862  Mirabilis laevis var. crassifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24920 Riverside The Badlands; Hills and canyones west of Laborde Canyon, 1 miles northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  RSA0112094  Mirabilis laevis var. villosa Duncan S. Bell 2010-2-20 541 Riverside Arica Mountains; collecting in drainage in the southeast section of range, approx. 0.75 air mile west of Priest Well. 336 Comment
  RSA678385  Mirabilis laevis var. villosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10450 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
  UC56250  Mirabilis laevis var. villosa H. M. Hall May 17 1901-Jun 1 1901 1855 Riverside Palm Canyon 457 Comment
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Aug 18 2010
  UCR237944  Mirabilis multiflora var. pubescens Mark A. Elvin 2004-6-2 3503 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  SD119906  Mirabilis pumila Louis B. Ziegler 1964-8-10 29 Riverside Garner Valley; San Jacinto Mountains. 1402 Comment
  RSA0042111  Mirabilis tenuiloba Duncan S. Bell, LeRoy Gross 2014-3-6 6191 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  RSA124452  Mohavea confertiflora Percy C. Everett 1958-4-29 23020 Riverside U. S. Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
  RSA306175  Mohavea confertiflora Fay A. MacFadden 1940-3-17 15277 Riverside Road from 29 Palms to Indio, 2/3 of way to Indio. San Bernardino Mtns Comment
  RSA776136  Mohavea confertiflora Duncan S. Bell, Amanda Turek 2010-4-10 806 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 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
  UC724358  Mohavea confertiflora Aven and Ruth Nelson 1939-3-28 3318 Riverside near Hidden Springs Comment
  UCR245949  Mohavea confertiflora Duncan S. Bell 2009-3-7 01 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  UCR25379  Mohavea confertiflora John C. Roos 1949-3-26 4126 Riverside Sonoran (Colorado) Desert, Mouth of Shaver's Wash [= Box Canyon], east of Mecca 61 Comment
  LA54310  Monardella australis subsp. australis Ed Peterson; J. A. Ewan 1930-9-1 2163 Riverside Mt San Jacinto 3293 Comment
  UCR146128  Monardella australis subsp. australis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1449 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  SD245396  Monardella lanceolata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  LA96083  Monardella nana Elizabeth McClintock; 1941-7-15 114 Riverside San Jacinto Mountains, on slope S of Strawberry Creek, and W of Domengonio Flats Comment
  UC1499861  Monardella nana Elizabeth McClintock 1940-5-19 9 Riverside 2 1/4 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  UC1499884  Monardella nana Elizabeth McClintock 1941-5-31 44 Riverside 5 miles from turn off to Anza Tablet. After crossing a narrow valley, passing a ranch house, crossing a sluggish stream and going through a second gate Comment
  RSA750401  Monardella nana subsp. arida Elizabeth McClintock 1941-5-22 s.n. Riverside Anza Monument, 5 miles south of Anza, on road to Coyote Canyon. Comment
  RSA750410  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 61 Riverside Road to Santa Rosa Mt. 2.5 miles above Pines to Palms Highway. Comment
  CAS-BOT-BC220429  Monardella robisonii C. Epling; Wm. Robison 1935-6-16 s.n. Riverside Keys Ranch, Little San Bernardino Mountains Comment
  JOTR30992  Monardella robisonii La Doux, Tasha, Maria Harding 2010-7-8 1971 Riverside Joshua Tree National Park. White Tanks, ~500m north of Arch Rock Nature trail; plants in this population seem to have some M. linoides characteristics. Comment
  POM13781  Monolepis nuttalliana P. A. Munz, I. M. Johnston 1922-5-5 5152 Riverside Mystic Lake, near Moreno. 427 Comment
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Mar 20 2011
  POM304729  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1939-11-28 167 Riverside 10 miles east of Indio. Comment
  POM363591  Monoptilon bellioides P. J. Remple 1942-3-1 s.n. Riverside Palm Springs (Sapp's Place) Comment
  SBBG60715  Monoptilon bellioides M. N. Ackley -Feb-1926 186 Riverside near Edom 64 Comment
  UC672207  Monoptilon bellioides H. L. Mason 1928-3-10 4245 Riverside road from Indio to Palm Springs Comment
  UCR102742  Monoptilon bellioides B. G. Pitzer 1998-2-1 3440 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  SEINET10842464  Monoptilon bellioides David B. Dunn 1946-3-16 Dunn 2076 Riverside Dry arid slope in Pushawalla Palm Canyon about 1 mile above the main group of Palms. Comment
  SEINET10941521  Monoptilon bellioides David B. Dunn 1948-2-21 Dunn 3685 Riverside On top of hill to north. Pushawalla. A rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  UCR24296  Montia chamissoi John C. Roos 1937-8-18 2536 Riverside San Jacinto Mtns, Round Valley 2744 Comment
  SEINET2153727  Montia perfoliata W. H. Whaley 2002-1 s.n. Riverside along Idyllwild road, at mile marker 21, recent burn site, ca 3/4 mile SE of Mt. Oak Boys Ranch. Comment
  UCR132709  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) & the Santa Ana River 238 Comment
  SEINET7296363 Image available Muhlenbergia andina Richard W. Pohl 1963-1 9424 Riverside Lake Fulmor, San Jacinto Mts. 1300 Comment
  UC496519  Muhlenbergia asperifolia P. A. Munz 1932-10-16 12844 Riverside on road from Deep Canyon to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  CHSC61257  Muhlenbergia microsperma J. Lund 1980-4-3 Riverside One mile west of Corn Spring on the side of an unimproved road in a wash. 487 Comment
  UCR19375  Muhlenbergia microsperma John C. Roos 1966-4-29 s.n. Riverside Between March AFB and Lakeview 762 Comment
  UC64098  Muilla maritima H. M. Hall 1897-5-1 519 Riverside San Jacinto River San Jacinto Mountains 762 Comment
  UCR50587  Muilla maritima B. G. Pitzer, E. Misquez 1988-2-28 0633 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA356987  Myosurus minimus subsp. apus Robert F. Thorne 1973-5-23 43866 Riverside Santa Rosa Plateau-Mesa De Colorado. 610 Comment
  RSA601653  Najas guadalupensis L. C. Wheeler 1957-11-30 7275 Riverside Coachella drainage ditch, ca. 1.5 mi. south southeast of Thermal. Comment
  SD38525  Nama demissa var. demissa Edith A. Purer 1935-4-21 6476 Riverside Near Palm Springs, Colorado Desert. Comment
  RSA749634  Navarretia fossalis Linda Robb, Lisa Allen 2003-6-24 s.n. Riverside 215 Fwy at Newport Rd. Menifee Comment
  UCR90771  Navarretia fossalis D. E. Bramlet 1993-5-8 2344 Riverside San Jacinto Wildlife area. 274 m south of the headquarters building, 122 m east of Davis Rd. and 168 m north of old San Jacinto River channel 434 Comment
  RSA234039  Navarretia prostrata R. F. Thorne, Lathorp 1969-5-12 37929 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  RSA336176  Navarretia prostrata R. F. Thorne, Walter Wisura 1978-5-21 51965 Riverside Santa Rosa Plateau: Mesa de Colorado. 609 Comment
  RSA0116561  Nemacladus glanduliferus Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 747 B 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
  RSA339652  Nemacladus longiflorus var. breviflorus R. F. Thorne, C. W. Tilforth 1980-5-28 54232 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA642081  Nemacladus longiflorus var. longiflorus Orlando Mistretta, Mark Elvin 1995-6-19 1782 Riverside San Jacinto Mountains: Highway 74 and Pacific Crest Trail. 1493 Comment
  RSA789233  Nemacladus longiflorus var. longiflorus Naomi Fraga, Duncan S. Bell 2009-5-6 2707 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  RSA439259  Nemacladus ramosissimus N. C. Cooper 1944-5-21 1239 Riverside San Jacinto Mountains, West side 915 Comment
  RSA543890  Nemacladus ramosissimus Steve Boyd 1991-5-20 6260 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  UCR166174  Nemophila menziesii John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR172809  Nemophila menziesii Abby Sirulnik 2000-4-13 10 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR138642  Nemophila menziesii var. menziesii D. L. Banks 1997-2-17 1271 Riverside Agua Tibia Mtns., NW Palomar Mountains: burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  POM363669  Nicolletia occidentalis Jack Rempel, Erwin Miller 1934-4-28 18733 Riverside S of Pass between Horse and Pleasant Valleys Wash 1220 Comment
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Dec 11 2011
  RSA784968  Nicotiana Duncan S. Bell 2012-3-18 3231 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  RSA699018  Nicotiana attenuata J. R. Bruff 1932-2-22 s.n. Riverside Between Edom and Garnet. Comment
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Nov 2 2011
  UC489083  Nicotiana attenuata C. V. Meyer 1928-7-26 523 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  UCSB25723  Nicotiana attenuata Gliessman, Stephen 1968-7-17 Riverside Along Little Thomas Mountain Road; 1.5 miles southwest of junction with Highway 74; Little Thomas Mountain 1341 Comment
  RSA80734  Nicotiana clevelandii F. W. Peirson 1926-2-22 6511 Riverside Thousand Palm Canyon, northwest end of Coachella Valley. 122 Comment
  JOTR30073  Nicotiana obtusifolia La Doux, Tasha, Bill Truesdell 2006-10-3 1716 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  UCSB33605  Nicotiana obtusifolia Simmons, Karen 1979-3-25 Riverside Box Canyon Road, 10 miles south-west of Hwy 10 30 Comment
  RSA0018757  Nicotiana obtusifolia Jack Rempel 1932-11-13 16111 Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  JEPS12374  Nicotiana quadrivalvis W. L. Jepson May 17 1901-Jun 1 1901 1582 Riverside Temescal Wash; sw Riverside County Comment
  UCR116958  Nicotiana quadrivalvis A. C. Sanders, T. B. Salvato 2001-5-3 24111 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR133675  Nicotiana quadrivalvis 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
  SEINET3288972 Image available Nolina parryi Loraine Yeatts, Dick Yeatts 2002-4-15 4767 Riverside Comment
  UCSB38665  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  SEINET11177603  Ocimum gratissimum Unknown 2014-4-10 s.n. Riverside Riverside Comment
  RSA778490  Oenothera deltoides Duncan S. Bell 2009-3-8 57 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  UCD106846  Oenothera deltoides Dan Axelrod 1932-3-23 s.n. Riverside Palm Springs. Comment
  POM8654  Oenothera deltoides subsp. deltoides P. A. Munz, R. D. Harwood 1920-4-20 35832 Riverside Blythe. Comment
  RSA146053  Oenothera deltoides subsp. deltoides William M. Klein 1959-4-6 952 Riverside U,S. Hwy 60-70, about 21 miles west of Blythe. 137 Comment
  RSA0056392  Oenothera leptocarpa James R. Shevock 1972-3-5 1420 Riverside Highway 71, near Pauba Valley. 304 Comment
  HSC87167  Oligomeris linifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2128 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA399181  Oligomeris linifolia Robert M. Perkins, H. de Forest 1937-3-15 s.n. Riverside 20 miles East of Indio. Comment
  RSA554251  Oligomeris linifolia Theo Glenn 1991-5-30 91 -114 Riverside Mule Mtns, 0.2 mi. E of the Opal Hill Mine, just N of the Imperial County line and W of Palo Verde. Comment
  CLARK-A1703-1202  Olneya tesota Charlotte Stocks 1962-5-5 Riverside Coachella Valley Comment
  JOTR32328  Olneya tesota Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Open, sandy bajada adjacent to Pinto Basin road and near south park boundary Comment
  SFV4437  Olneya tesota D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Riverside East side of Salton Sea near Mecca Beach. About 6.5 miles north of Imperial County line. Comment
  SEINET10903576  Olneya tesota Billy Joe Cox 1975-6-26 Cox 4205 Riverside 1-3 km w. Creosote desert scrub; sandy and gravelly entisols. 21 Comment
  CAS-BOT-BC478174  Oncosiphon piluliferum R. E. Jr. Riefner 2015-3-24 15 -99 Riverside City of Perris, Goetz Road at Ellis Avenue 447 Comment
  UCR256754  Oncosiphon piluliferum T. B. Salvato, Matthew Malle 2013-5-20 7568 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  UC718132  Opuntia X occidentalis C. B. Wolf and P. C. Everett 1938-9-29 9462 Riverside 9 mi from Temecula (on road to Aguanga); Fork of Temecula Wash 335 Comment
  POM311521  Opuntia engelmannii var. engelmannii Lyman Benson 1963-6-20 16349 Riverside Wash at Cabazon. 488 Comment
  CAS-BOT-BC59014  Opuntia littoralis Carl B. Wolf 1938-6-11 9420 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  POM288145B  Opuntia phaeacantha David Griffiths 1909-5-10 9675 Riverside Banning. Comment
  POM314641  Opuntia phaeacantha G. R. Vasey 1880-1 s.n. Riverside San Jacinto Plains. Comment
  UC218173  Oreostemma alpigenum var. andersonii P. A. Munz 1922-9-5 6364 Riverside meadow n of Tahquitz Valley; San Jacinto Mts. 2225 Comment
  JEPS85937  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4524 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  JEPS85947  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4525 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  UCSB7503  Orobanche cooperi Nowell, J. 1958-3-22 Riverside Highway 60-70, 3 miles west of Desert Center Comment
  POM5276  Oxalis californica I. M. Johnston 1978-5-30 1998 Riverside Temescal Canyon 366 Comment
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Apr 6 2013
  UCR241923  Oxalis pes-caprae A. C. Sanders, Timothy W. Chumley 2013-3-28 40703 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west of Lake St. 378 Comment
  UC534898  Oxytheca trilobata Susan G. Stokes 1934-7-1 312 Riverside San Jacinto Mt. 1219 Comment
  UC849829  Oxytheca trilobata I. W. Clokey and E. G. Anderson 1935-8-21 6599 Riverside e of Keen Camp P. O. 1360 Comment
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Nov 20 2010
  RSA781610  Palafoxia arida Duncan S. Bell 2011-12-30 3038 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
  CHSC108505  Palafoxia arida var. arida Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1419 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  RSA779623  Palafoxia arida var. arida Duncan S. Bell 2010-4-1 655 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UCD134880  Palafoxia arida var. gigantea Ann F. Johnson 1975-1-3 1121 Riverside near Highway I-10 at 'Stuckey's Candy' north of Palm Springs. Comment
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Nov 27 2014
  UCR92260  Panicum capillare Scott D. White 1995-8-23 3572 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  POM116050  Panicum urvilleanum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA775104  Parietaria hespera Duncan S. Bell, Michael Hee 2011-3-18 2049 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  RSA701411  Parietaria hespera var. californica Steve D. Boyd, Aydee Virgen 2004-4-13 10885 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  LA45755  Parkinsonia florida Carl Epling; William Robison 1933-6-24 sn Riverside near Indio Comment
  SEINET2060863 Image available Parkinsonia florida John N. Bullock 1948-4-27 P- 19 Riverside 100 m SE of Californnia Hwy 195, 8.9 meters E of the All American Canal, Mortmar 7 1/2' Quad. 292 Comment
  UCR214713  Parkinsonia florida A. C. Sanders 2010-3-23 37547 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  CLARK-A1528-81  Paspalum dilatatum C. M. Flanagan 1973-6-13 OO 707 Riverside Morongo Indian Reservation 1127 Comment
  UC184054  Paspalum urvillei Miss H. A. Gray June 1915 Riverside Palm Spr. R. R. Station Comment
  RSA769301  Paspalum vaginatum R. E. Riefner Jr. 2008-7-5 08 -215 Riverside Cathedral City, drainage tributary to Whitewater River, Perez Rd. at Date Palm Dr. 82 Comment
  UCR84893  Pectocarya anisocarpa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16116 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
  SEINET2043250 Image available Pectocarya heterocarpa A. C. Sanders, P. J. & G. MacKay, A. KNapp, C. Sanders 1995-2-19 15944 Riverside Santa Rosa Mountains: Coachela Valley at foot of Mountains; ancient fish traps 2.2 mi W of Valerie (Valerie Quad 7.5') T7S R7E sec 11 (SE/4) 0 Comment
  RSA674708  Pectocarya linearis Scott D. White 2000-5-1 7743 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UC1922868  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Lake Fulmor 7.5' Quad. Comment
  UCR96871  Pectocarya linearis Scott D. White 1993-3-12 1176 Riverside Near Winchester 466 Comment
  SEINET7073386  Pectocarya penicillata 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
  UC551833  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside near Hemet; St John's Grade 770 Comment
  UCR51067  Pectocarya penicillata S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR97898  Pectocarya penicillata A. C. Sanders 1997-3-1 19709 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UC1178535  Pectocarya peninsularis Peter Kamb 1948-4-11 887 Riverside 5 mi e Garnet (Aqueduct Rd); Coachella Valley 304 Comment
  RSA0125296  Pectocarya platycarpa Duncan S. Bell 2016-3-3 8782 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA781654  Pectocarya platycarpa Duncan S. Bell 2009-3-8 75 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  POM368816  Pectocarya recurvata M. B. Dunkle 1932-3-25 2903 Riverside Near Cathedral Canyon 152 Comment
  RSA450318  Pediomelum californicum J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains, Pinon flats Comment
  RSA770846  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4942 Riverside San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UCR2  Pellaea andromedifolia Eugene Cardiff 1955-3-1 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mountains] 671 Comment
  UCR270754  Pellaea andromedifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8382 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  SFV62  Pellaea bridgesii J. H. Wood 1958-5-30 s. n. Riverside San Jacinto Mountains 1829 Comment
  UCR148849  Pellaea mucronata Chet McGaugh 2005-1-6 s.n. Riverside Peninsular Range, east of Lake Skinner, between Calle Jojoba and Cielita, SE of Tucalota Hills and of Benton Rd. 549 Comment
  UCR154446  Pellaea mucronata A. C. Sanders, Mike Misenhelter 2005-6-15 30986 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
  UCR174376  Pellaea mucronata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32624 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  SEINET7063453  Pellaea mucronata var. californica A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502344mE, 3715130mN. (WGS84/NAD83). 564 Comment
  UCR165382  Pennisetum setaceum M. Georgiady 2003-5-22 s.n. Riverside east of Homeland, Calif. Hwy 74, 1.2 km west of Calif. Hwy 79 (Winchester Rd.), south foot of Lakeview Mtns. 485 Comment
  POM259128  Penstemon californicus Philip A. Munz 1938-8-14 15378 Riverside East of Toro Peak 2287 Comment
  JEPS11145  Penstemon centranthifolius W. L. Jepson 1413 a Riverside Van Deventer's Ranch Santa Rosa Mts., Vandeventer's Ranch (on Vandeventer Flat) 1493 Comment
  RSA305628  Penstemon centranthifolius C. W. Tilforth, Walter Wisura 1979-10-10 1915 Riverside 0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley. 1341 Comment
  UCR16007  Penstemon centranthifolius David T. Wright 1966-5-16 s.n. Riverside San Jacinto Mtns, 8 mi SE of Banning, at Hurley Flats Rd 1341 Comment
  CLARK-A1528-5314  Penstemon clevelandii Patricia A. Andrews 1947-3-15 3334 Riverside San Jacinto Mountains Comment
  NY583957  Penstemon clevelandii var. connatus F. W. Pennell 1940-4-28 25287 Riverside Route 74, above Ribbonwood, east of San Jacinto Range 1402.1 Comment
  NY601159  Penstemon grinnellii N. H. Holmgren 1969-6-18 3586 Riverside San Jacinto Mountains, San Jacinto Wilderness, along trail above Humber Park, about 3 airline miles northeast of Idyllwild. Comment
  JEPS11108  Penstemon rostriflorus Marjorie D. Clary 1932-8-21 1750 Riverside 10 mi se Kenworthy (Santa Rosa Mts.); , se of Kenworthy 1371 Comment
  JEPS13908  Penstemon rostriflorus I. W. Clokey, E. G. Anderson 1935-8-2 6903 Riverside Fuller's Creek San Jacinto Mts., Fuller's Creek 1500 Comment
  UC55001  Penstemon rostriflorus H. M. Hall 1898-6-25 940 Riverside Van Deventer Flat Western borders Colorado Desert, Van Deventer Flat 1371 Comment
  RSA0014857  Penstemon rostriflorus Carl B. Wolf 1932-8-4 3908 Riverside San Jacinto Mts. Point View near Idyllwild. 1646 Comment
  JEPS13631  Penstemon spectabilis Peter Kamb 1947-5-17 528 Riverside Banning-Idyllwild road at Vista Grande Ranger Station , Vista Grande Ranger Station (San Jacinto Mts.) 1463 Comment
  SEINET4097936  Penstemon spectabilis C. Davidson 1975-1 2805 Riverside About 4 miles south of Banning on road R1 to Idyllwild. 1127 Comment
  POM187834  Penstemon thurberi E. C. Jaeger 1931-9-18 s.n. Riverside Near Lost Horse Mine Comment
  RSA0070920  Pentagramma maxonii Norman C. Cooper 1944-4-8 1085 Riverside Andreas Canyon. 457 Comment
  SFV13131  Pentagramma triangularis M. J. Thor 1982-9-17 146 Riverside San Jacinto Mountains Idyllwild Park. Lily Creek, rocky part along roadway. 1616 Comment
  CAS-BOT-BC71578  Pentagramma triangularis subsp. maxonii Elizabeth Parsons Hawver 1917-3-29 s.n. Riverside Palm Springs Comment
  POM122891  Perityle emoryi Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  POM178001  Perityle emoryi Marcus E. Jones 1930-3-15 26505 Riverside Eagle Mountains. Comment
  SBBG25004  Perityle emoryi D. Myrick 1966-4-5 1383 Riverside near S entrance of Joshua Tree Nat Monument Comment
  SEINET3388780 Image available Perityle emoryi Lewis S. Rose 1935-12-23 35687 Riverside 13 miles south of Cathedral City. San Jacinto Mountains. 610 Comment
  RSA167782  Petalonyx thurberi Robert F. Thorne, R. Rutherford 1964-4-10 33599 Riverside At Desert Beach along NE side Salton Sea -61 Comment
  RSA675729  Petalonyx thurberi Scott D. White 2001-4-27 8420 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  UCR147738  Petalonyx thurberi Steve Boyd, Et al. 2004-5-14 11257 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
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Mar 19 2016
  UCR281925  Petalonyx thurberi A. C. Sanders, Jim Malusa 2017-9-20 43345 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, in canyon 2 km NW (303 deg. ) of Tabaseca Tank, 6.2 km SE of Salt Creek at mouth of Red Canyon 573 Comment
  LA49853  Petalonyx thurberi subsp. thurberi A. M. Johnson; 1933-4-28 4246 Riverside along highway about 12 mi. below Palm Springs Comment
  RSA342554  Peucephyllum schottii R. F. Thorne, W. A. Tilforth 1980-5-28 54212 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA471971  Peucephyllum schottii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SBBG27018  Peucephyllum schottii K. K. Muller 1967-3-21 1384 Riverside foothills of Orocopia Mtns, directly opposite S entrance of Joshua Tree Nat Monument Comment
  UCR166545  Peucephyllum schottii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10889 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  POM259713  Phacelia ambigua P. A. Munz 1940-3-23 15667 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  RSA653543  Phacelia brachyloba Scott D. White 1999-5-24 7382 (unic.) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA278975  Phacelia campanularia Barry A. Prigge, L. Martinez 1978-3-23 2427 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR274805  Phacelia campanularia subsp. campanularia Aaron C. Sedgwick, David Fraker 2012-3-28 37 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  UC494750  Phacelia campanularia subsp. vasiformis Philip A. Munz and C. L. Hitchcock 1932-4-9 12230 Riverside e Riverside Co. White Tanks Comment
  UC284681  Phacelia cicutaria var. hispida Miss Johnston Mar 1917 Riverside Palm Springs Colorado Desert Comment
  UC1069302  Phacelia crenulata var. ambigua H. S. Yates 1937-3-23 6435 Riverside 15 mi nne Mecca; Thermal Quadrangle 457 Comment
  RSA0019476  Phacelia crenulata var. minutiflora Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24386 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  JEPS2376  Phacelia distans W. L. Jepson 1927-4-12 11672 Riverside Mecca Painted Canyon 76 Comment
  RSA426205  Phacelia distans N. C. Cooper 1944-3-25 1017 Riverside Morongo Pass. 457 Comment
  UCD120417  Phacelia distans Geoffrey Levin 1974-3-30 5 Riverside Chino Canyon below the tramway. San Jacinto Mts. Mt. Range. 426 Comment
  UCR135995  Phacelia distans Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCSB72612  Phacelia distans White, Scott; Carey, Angelia 2004-4-5 Riverside San Jacinto Mtn foothills: North of Valle Vista. Indian Creek Watershed 518 Comment
  UCR80811  Phacelia imbricata Scott D. White 1993-5-29 1463 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  POM12880  Phacelia imbricata subsp. patula P. A. Munz 1922-7-8 6060 Riverside Fern Valley 1768 Comment
  HSC35440  Phacelia minor A. M. Montalvo, J. D. Ackerman 1975-6-26 530 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, 1/4 mi. W of Upper San Juan Campground Cleveland National Forest Comment
  RSA777159  Phacelia minor Steve Boyd, S. G. Jett 2008-3-20 11826 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  UCR113612  Phacelia minor A. C. Sanders 1998-1-15 21636 Riverside Lake Skinner area, rocky knob (2527 ft.) along dirt road toward Crown Valley, NE of Black Mtn. 762 Comment
  UCR114839  Phacelia minor Mitch Provance 1998-2-17 75 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR24948  Phacelia mutabilis A. C. Sanders 1980-8-23 1756 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR41322  Phacelia ramosissima N. M. Fellows, A. C. Sanders 1985-5-7 179 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  CLARK-A1045-176  Phalaris caroliniana George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  SD90578  Phalaris caroliniana Robert F. Thorne, Earl Lathrop 1969-5-12 37951 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California, small vernal marsh 625 Comment
  CAS-BOT-BC250727  Phalaris paradoxa A. C. Sanders; T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley: west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  CAS-BOT-BC128867  Philadelphus microphyllus E. K. Balls 1955-9-20 21443 Riverside Above Dark Canyon, up from end of trail, w. slope San Jacinto Mts. 2606 Comment
  JEPS41255  Philadelphus microphyllus var. stramineus Carl V. Meyer 1928-7-26 533 Riverside Near Deer Springs; San Jacinto Mt. 2590 Comment
  RSA38667  Pholisma arenarium P. A. Munz 1946-10-21 11601 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
  CHSC83682  Phoradendron californicum John Dittes 2002-1-5 2 -47 Riverside Mojave Desert; ca. 11 air-miles south-southwest of Twentynine Palms, ca. 0.8 mile northwest of Hidden Valley Campground, ca. 1 mile east of Lost Horse Ranger Station, base of ridge west of Loop Road. 1286 Comment
  RSA0104910  Phoradendron californicum Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7749 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5 air miles northeast of the summit of Martinez Mountain. 266 Comment
  RSA777785  Phoradendron californicum Jim Andre 2011-2-9 15909 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UCR50007  Phoradendron californicum Dennis E. Kucera 1987-11-14 s.n. Riverside Malki Museum garden, east of Banning off Fields Road, Morongo Indian Reservation 610 Comment
  RSA790779  Phoradendron villosum M. E. Fishbein, Victor W. Steinmann, Ivonne Steinmann, J. Mark Porter, Stephen Dreher 1999-12-4 4096 Riverside Santa Rosa Mtns: Deep Canyon, just east of California 74. 976 Comment
  UCR125767  Phoradendron villosum A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25655 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 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
  CLARK-A1528-4361  Physalis crassifolia John C. Roos 1946-10-26 3149 Riverside Chuckwalla Mountains Comment
  RSA423817  Physalis crassifolia A. N. Dunn, A. Martin 1932-3-26 s.n. Riverside Box Canon. [Canyon] Comment
  RSA510052  Physalis crassifolia B. Pitzer 1988-3-10 656 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA782197  Physalis crassifolia Duncan S. Bell 2011-10-22 2984 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SBBG88687  Physalis crassifolia K. K. Muller 1971-11-7 2982 Riverside just S of US 60 opposite S entrance to Joshua Tree Nat Monument Comment
  UCR35276  Physalis crassifolia L. B. Ziegler 1966-9-13 84 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., San Jacinto Mtns. Desert slope 701 Comment
  RSA264146  Physalis crassifolia var. crassifolia C. W. Tilforth, John Dourley, Walter Wisura 1977-5-20 1332 Riverside 2 miles south of Rice and Hwy 62 along Blythe-Rice Rd. 267 Comment
  RSA0035037  Physalis hederifolia Lee Haines 1952-4-6 s.n. Riverside Box Canyon. [county not specified] Comment
  UC1535405  Phytolacca americana Don Domenigoni 1986-4-21 Riverside Hemet, at the Young property Hemet Comment
  CAS-BOT-BC78470  Pinus contorta subsp. murrayana F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  SEINET13289896 Image available Pinus coulteri D. W. Woodland 1974-1 1966 Riverside 1 mile North of Idyllwild, Mt. San Jacinto Wilderness Area, Riverside County, California Comment
  UC64558  Pinus lambertiana H. M. Hall 1902-4-16 2883 Riverside w side Tahquitz Pk. 2590 Comment
  CAS-BOT-BC78894  Pinus monophylla Annie M. Alexander; Louise Kellogg 1941-5-21 2216 Riverside North slope of Eagle Mountains 1219 Comment
  UC1134064  Pinus monophylla H. S. Yates 1937-3-24 6471 Riverside s of Pinyon Flat; Thermal Quad. 975 Comment
  UC1543055  Pinus monophylla Donald G. Nelson 1936-5-22 339 Riverside near base Santa Rosa Mountains (on trail down to stream in Palm Springs Canyon, along trail to Palm Canyon from Ribbon Wood Camp); Ribbon Wood Camp, Pines to Palms Highway Comment
  UCSB26244  Piperia transversa Gliessman, Stephen 1968-7-24 Riverside 50 yards south of Saunders Road; 0.1 mile east of junction with Idyllwild Road; San Jacinto Mountains 1584 Comment
  UCR151370  Plagiobothrys acanthocarpus Steve Boyd 2001-4-12 10409 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
  RSA487453  Plagiobothrys canescens Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
  SEINET959355  Plagiobothrys collinus John F. Green 2006-1 Riverside Peninsular Ranges: City of Murrieta; S of the Hogbacks. N of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W (Murrieta 7.5 Q) 336 Comment
  JEPS29299  Plagiobothrys collinus var. californicus Rimo Bacigalupi and L. Heckard 1962-3-25 8394 Riverside ca. 5 mi. s.e. Corona (just n. of Bedford Canyon, e. base Santa Ana Mts.1000 ft); Santa Ana Mts. Comment
  UCR241926  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2013-3-27 40684 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 433 Comment
  RSA678976  Plagiobothrys collinus var. fulvescens Scott D. White, Michael Honer 2003-6-3 9493 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR157464  Plagiobothrys collinus var. fulvescens A. C. Sanders 1994-5-30 14614 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA695816  Plagiobothrys collinus var. ursinus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  RSA776143  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-10 840 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
  UCR178278  Plagiobothrys nothofulvus T. B. Salvato, Tracy Tennant 1998-1 MOR- 805 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, sag pond at Burro Flats, tree stand P-10 1098 Comment
  UCR31278  Plagiobothrys nothofulvus A. C. Sanders, Theo Glenn 1983-4-17 3737 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  UCR97680  Plagiobothrys nothofulvus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19911 Riverside Lake Skinner area, ridgetop (2283 foot ridge) on north side of valley in hills east of Rawson Canyon, 1 mile south of Crown Valley. 671 Comment
  UCR77718  Plagiobothrys tenellus Steve Boyd 1991-5-7 6176 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  UCR97668  Plagiobothrys tenellus A. C. Sanders, G. Helmkamp 1997-3-15 19961 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  RSA563922  Plantago erecta A. C. Sanders 1993-4-1 13663 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  SDSU13008  Plantago lanceolata Michael G. Simpson 1999-10-27 2052 Riverside Santa Margarita Ecological Reserve, San Diego State University. Along path from river to Southside facilities. 152 Comment
  SDSU13354  Plantago lanceolata Joseph Verfaillie, Shasta Gaughen 2000-4-29 47 Riverside Santa Margarita Eclogical Reserve North side. The north side of the river about 1/3 mile west of the pipe line crossing. About 15 feet from the river 232 Comment
  UCR40204  Plantago lanceolata Steve Boyd 1985-7-2 1000 23 Riverside Santa Ana Mtns., Santa Rosa Plateau, 5 mi. west of Rancho California at junction of Rancho California Road and De Luz Road 427 Comment
  SEINET4568275 Image available Plantago ovata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4594 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR274848  Plantago ovata David Fraker, Aaron C. Sedgwick 2012-4-5 077 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  RSA402037B  Plantago ovata var. fastigiata M. B. Dunkle 1935-3-17 4408 Riverside Desert Center. 610 Comment
  RSA7580  Platanus racemosa B. D. Stark 1933-11 5555 Riverside Andreas Canyon, desert side of San Jacinto Mountains. Comment
  RSA759540  Platanus racemosa Robt. Allen, Fred M. Roberts 2007-6-22 s.n. Riverside SE of Hemet, Bautista Cyn, ca. 4 road mi SE of jct Bautista Cyn Rd and Fairview Ave. 727 Comment
  UCR112597  Platanus racemosa Mitch Provance 1998-2-17 61 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR182820  Platanus racemosa R. E. Riefner Jr. 2006-9-19 06- 445 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River 301 Comment
  RSA613409  Platystemon californicus D. L. Banks 1997-4-5 1682 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UC64138  Platystemon californicus H. M. Hall May 1897 543 Riverside Thomas Valley; San Jacinto Mountains, Thomas Valley Comment
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Nov 30 2013
  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
  UCR104643  Plectritis ciliosa subsp. insignis D. E. Bramlet 1997-4-4 2510 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
  SBBG35124  Pleuraphis rigida T. L. Secrest 1948-4-7 Riverside ca. 7 mi below Whitewater 274 Comment
  POM6546  Pleurocoronis pluriseta P. A. Munz, L. T. Street, Williams 1919-3-25 2329 Riverside Palm Springs. Comment
  CAS-BOT-BC326549  Pluchea sericea Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  UCR89811  Pluchea sericea Scott D. White 1993-5-27 1411 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  CLARK-A1528-4813  Poa annua John C. Roos 1965-10-7 Riverside Hemet Comment
  UCD169224  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-20 304 -13 Riverside On N side of Hwy. 74. Comment
  UC77794  Poa secunda subsp. juncifolia Frank W. Gould 1944-4-5 2235 Riverside 17 mi e Temecula (on Hwy 79) Comment
  UC212845  Polygonum bistortoides Mary F. Spencer 1919-7-6 1262 Riverside Tacquitz meadow San Jacinto Mt. 2377 Comment
  UCR201705  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-6-16 12113 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR90617  Polypogon monspeliensis Scott D. White 1995-6-29 3403 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  POM2086  Populus fremontii Marjorie Shaw 1916-5-28 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  POM8771  Populus fremontii Philip A. Munz, R. D. Harwood 1920-2-28 3261 Riverside 2 mi. southeast of Corona 305 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
  RSA92883  Populus fremontii F. W. Peirson 1928-3-10 7699 Riverside along irrigation ditch, Snow Creek Auto Camp at Whitewater, head of Coachella Valley. Comment
  SEINET11984523  Populus fremontii subsp. fremontii E. K. Balls, Everett, P. C. 1957-1 22797 Riverside Snow Creek, N base San Jacinto Mts 701 Comment
  RSA525440  Porophyllum gracile Steve Boyd, David E. Bramlet 1990-4-29 4485 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA709851  Porophyllum gracile Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4630 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCD135030  Porophyllum gracile C. L. Hitchcock 1966-3-21 24330 Riverside Mule Mountains, 20 miles southwest of Blythe. Comment
  UC12552  Potentilla gracilis var. elmeri H. M. Hall June, 1901 2296 Riverside in the vicinity Strawberry Valley; San Jacinto Mountains, vicin Strawberry Valley 1615 Comment
  RSA516913  Prenanthella exigua Steve Boyd, Orlando Mistretta 1986-3-13 1455 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR199764  Prosopis glandulosa Scott D. White, Justin Wood 2007-4-11 11649 Riverside San Bernardino Mountain foothills, San Gorgonio River wash, west side of Bluff St. Comment
  CAS-BOT-BC158582  Prunus David Dreyer 1968-4-9 s.n. Riverside Along north facing slopes of south side of Morongo Valley 609 Comment
  UCR22038  Prunus ilicifolia Steve Boyd 1980-6-4 316 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR653  Prunus ilicifolia S. C. Warner 1956-4-23 s.n. Riverside Box Springs Mtns., Above Rail Road Track at east end of Blaine St 549 Comment
  SDSU13618  Prunus ilicifolia subsp. ilicifolia W. Miller, C. Mosse Riverside Comment
  RSA450255  Prunus virginiana var. demissa J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, north fork of San Jacinto River. Comment
  POM308524  Psathyrotes ramosissima Henry J. Ramsey, Ramsey 1939-11-28 3171 Riverside 15 miles east of Indio Comment
  RSA472313  Psathyrotes ramosissima M. B. Dunkle 1933-5-6 3445 Riverside Painted Canyon, Colorado Desert 30 Comment
  RSA472316  Psathyrotes ramosissima H. S. Gentry 2152 Riverside West side of Colorado Desert -30 Comment
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Apr 8 2011
  UCR113590  Pseudognaphalium biolettii A. C. Sanders 1998-1-15 21634 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  UCR134645  Pseudognaphalium biolettii Mitch Provance 1998-4-10 412 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR136267  Pseudognaphalium biolettii A. C. Sanders 2004-4-20 27549 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  CAS-BOT-BC356791  Pseudognaphalium californicum Steve Boyd; Aydee Virgen 2004-4-13 10845 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  GMDRC6556  Pseudognaphalium californicum J. M. Andre 2012-6-15 30510 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
  UCR268284  Pseudognaphalium californicum Jim Andre 2012-6-15 30510 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
  SEINET1093808 Image available Pseudognaphalium luteoalbum Geoffrey A. Levin, Judy Gibson, Bob Faught, Tyrone Seymour, Annette Winner, & Renee Levin 1993-7-3 2289 Riverside Volcan Mountain, Rutherford Ranch, near AT&T transmission station. 1650 Comment
  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
  CLARK-A1528-518  Psoralea californica Charlotte Stocks 1962-6-10 Riverside San Jacinto Mountains Comment
  UCSB3073  Psorothamnus arborescens Eriksen, C. 1954-4-29 Riverside 3 mi. W of Morongo Valley along Hwy. Comment
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Oct 22 2014
  CAS-BOT-BC353590  Psorothamnus arborescens var. simplicifolius Carl B. Wolf 1932-5-25 3680 Riverside N base of San Jacinto Mountains, Snow Creek Canyon, 1 mile below fish hatchery 396 Comment
  CAS-BOT-BC353625  Psorothamnus emoryi John Thomas Howell 1928-3-11 3436 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado 152 Comment
  SD227820  Psorothamnus emoryi Andrew C. Sanders, K. C. Rose 1999-5-28 22795 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. between ave 54 and I-10. On sandy soil just S of the Coachella Canal. 3 Comment
  UCR263503  Psorothamnus emoryi David Fraker, Aaron C. Sedgwick 2012-3-22 018 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  UCSB42217  Psorothamnus emoryi Roos, John 1966-5-2 Riverside Palm Springs Comment
  CAS-BOT-BC340895  Psorothamnus schottii Carl B. Wolf 1932-4-26 2973 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  CAS-BOT-BC340899  Psorothamnus schottii Lester Rowntree 1930-5-5 s.n. Riverside Hidden Springs, near Mecca Comment
  CAS-BOT-BC340909  Psorothamnus schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  SD146262  Psorothamnus schottii T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 47 Riverside Coachella Valley; 2 mi. NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal. 9 Comment
  UC1329933  Psorothamnus schottii James E. Cole 1941-4-16 602 Riverside Southern edge of Riverside County Comment
  UC61516  Psorothamnus schottii M. French Gilman 1902-1 21 Riverside Palm Springs Comment
  UCR178024  Psorothamnus schottii John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  UCR86158  Psorothamnus schottii A. C. Sanders 1995-5-23 17122 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  CAS-BOT-BC340951  Psorothamnus spinosus Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  JEPS41654  Psorothamnus spinosus Marjorie Clary Oct 1930 13 Riverside Coral Reef Ranch Coachella Valley -13 Comment
  RSA295547  Psorothamnus spinosus Lyman D. Benson, Robert Benson 1952-4-8 14848 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  RSA404269  Psorothamnus spinosus Christina Clark 1929-3-17 1957 Riverside Palm Canyon Comment
  RSA561122  Pteridium aquilinum var. pubescens Steve Boyd, Timothy S. Ross, Dave Bramlet 1993-5-12 7313 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  CAS-BOT-BC421255  Pterostegia drymarioides Peter Kamb 1948-5-2 930 Riverside North slopes of the San Jacinto Mts above Banning 1066 Comment
  POM8825  Pterostegia drymarioides Mary F. Spencer 1920-7-4 s.n. Riverside [Palm?] Canyon 183 Comment
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Nov 19 2011
  UC1563132  Pterostegia drymarioides Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3156 Riverside hills just to s.w. of dam Vail Lake area 487 Comment
  UCR85245  Pterostegia drymarioides A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15991 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA401600  Pycnanthemum californicum T. H. Holmes 1932-1 s.n. Riverside San Jacinto Mountains. Comment
  RSA0080589  Pyrola dentata Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1441 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  SEINET10914610  Quercus X acutidens Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-11 Townesmith 674 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  RSA192170  Quercus agrifolia E. W. Lathrop 1959-4-2 4442 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
  HSC35339  Quercus agrifolia var. agrifolia A. M. Montalvo, J. D. Ackerman 1975-6-26 531 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground 610 Comment
  UCR264637  Quercus berberidifolia Mitch Provance 2012-4-27 412- 22 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR264647  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 36 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCR273003  Quercus berberidifolia Mitch Provance 2012-8-30 17436 Riverside Foothills of the San Jacinto Mountins, Lower Old Idyllwild Rd., S of Smith Creek, about 3 mi S of the City of Banning 780 Comment
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May 22 2019
  UCR273006  Quercus berberidifolia Mitch Provance 2012-4-1 17428 Riverside Badlands of Western Riverside County, N side of San Timoteo Canyon Rd., about 4.5 mi WNW of intersection with I-10, N of old Haskell residence 646 Comment
  UCR282412  Quercus berberidifolia Mitch Provance 2009-7-1 709- 04 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  UCR89898  Quercus berberidifolia A. C. Sanders 1995-11-26 17911 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  UCSB12186  Quercus berberidifolia Breedlove, Dennis 1962-3-11 Riverside 5.7 miles northwest of Mountain Center, at junction with Riverside Highway 1 on State 74 944 Comment
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Feb 24 2013
  CAS-BOT-BC62443  Quercus chrysolepis E. A. McGregor 1941-6-12 26 Riverside Santa Rosa Mt. Comment
  RSA511538  Quercus engelmannii Jack Easton 1989-4-18 s.n. Riverside Antelope Valley area N of Murrieta. ca. 1.5 mi NW of intersection of Antelope Road and Hwy I-15 and due N of intersection of Nutmeg and Jackson Streets. 396 Comment
  RSA597054  Quercus engelmannii D. L. Banks, Lauren Raz 1996-11-5 1163 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; E of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34. 390 Comment
  UC5512  Quercus palmeri H. M. Hall Jun 1901 2158 Riverside near VanDeventer's (se side); San Jacinto Mountains 1524 Comment
  UCR252761  Quercus suber Karyn L. Drennen 2010-12-6 017 Riverside Santa Ana Mountains, Cleveland National Forest Road (Tenaja Truck Trail) east of turn off to unnamed dirt road, 0.2 km east of entrance to Tenaja Trailhead parking lot 612 Comment
  RSA750596  Quercus turbinella subsp. turbinella K. M. Meyer, A. Townesmith, T. Scott 2007-3-19 23 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinyon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  SEINET4079341  Quercus wislizeni var. frutescens C. Davidson 1975-1 2815 Riverside 3.8 miles north of Alandale Station on road R1 from Idyllwild to Banning. 1699 Comment
  RSA554204  Rafinesquia neomexicana Theo Glenn 1991-4-9 91 -8 Riverside Big wash in Eagle Mountains 786 Comment
  UCR177264  Rafinesquia neomexicana Scott D. White 2003-3-23 8833 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UCR241712  Rafinesquia neomexicana Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 43 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UC118210  Ranunculus alismifolius var. alismellus A. W. Anthony 1895-7-3 Riverside San Jacinto Mountain Comment
  RSA698549  Ranunculus californicus Mabel Harvey s.n. Riverside Santa Ana Canyon. Comment
  UC56754  Ranunculus californicus H. M. Hall Apr. 1902 2889 Riverside Coahuilla Comment
  UCR102732  Rhamnus crocea B. G. Pitzer 1998-1-25 3422 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  HSC87045  Rhamnus ilicifolia David Charlton 1988-5-21 1909 Riverside Thomas Mtn. Rd., W of Garner Valley and S of Lake Hemet on Hwy. 74 1677 Comment
  LA207813  Rhamnus ilicifolia W. E. Pequegnat; 1939-4-8 6 Riverside Santa Ana Mountains, Coldwater Trail 670 Comment
  SBBG87983  Rhamnus ilicifolia L. F. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Springs Ranch, Santa Rosa Plateau Comment
  UC1178623  Rhamnus tomentella subsp. cuspidata Peter Kamb 1948-7-4 1172 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UC2030136  Rhaponticum repens Scott D. White 7770 Riverside CITY OF MURRIETA: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. Comment
  UC489155  Rhododendron occidentale C. V. Meyer 1927-6-1 191 Riverside San Jacinto Mountains, Saunders Meadow Saunders Meadow; San Jacinto Mountains, Saunders Meadow 1615 Comment
  CAS-BOT-BC200035  Rhododendron occidentale var. californicum Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38120 Riverside San Bernardino National Forest, San Jacinto Mts.: Above & in James Reserve 1676 Comment
  HSC101784  Rhus ovata J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13191 Riverside Along State Route 74 1227 Comment
  RSA2102  Rhus ovata Ernest Braunton 1929-3-3 1026 Riverside Morongo Pass. 152 Comment
  UCR121892  Rhus ovata Ian G. Gillespie 2001-5-7 82 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  RSA0046827  Rhus ovata Tamara Joy Hanna 1991-5-12 30 Riverside Township of Anza, area of High Country Ranches. From Tamatea Road approx. 100 ft. to dry stream bed, walking northeasterly direction. 1280 Comment
  IRVC92  Rhus trilobata var. quinata Charley Ford 1965-4-20 s.n. Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  RSA476255  Ribes californicum var. hesperium E. Crow 1929-3-17 212 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  SDSU5892  Ribes cereum Charles F. Phleger 1962-5-13 Riverside Collected on road leading up to Black Mountain in the San Jacinto Mountains. Comment
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Feb 28 2013
  CAS-BOT-BC173142  Ribes indecorum Steve Boyd 1993-3-14 7725 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon 975 Comment
  RSA221071  Ribes indecorum E. W. Lathrop 1966-3-23 6113 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  RSA543195  Ribes indecorum Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6115 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
  RSA489177  Ribes indecorum B. Pitzer, A. C. Sanders 1987-4-21 492 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  UC50166  Romneya coulteri H. P. Chandler 1898-5-16 Riverside Corona Comment
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Jul 4 2010
  UCR213493  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38413 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. at north end of Black Powder Rd. 399 Comment
  UCR76065  Romneya coulteri B. G. Pitzer, Stu Hemstreet 1992-5-21 1938 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  RSA660907  Romneya trichocalyx Mitch Provance 1998-5-29 557 Riverside NW side of North Hill, along the S edge of Lake Evans. 274 Comment
  UCR125202  Romneya trichocalyx Mitch Provance 1998-5-29 557 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  UCR91722  Rorippa nasturtium-aquaticum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18112 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  POM1465  Rosa californica I. M. Johnston 1918-5-30 1992 Riverside Temescal Canyon (between Elsinore and Corona). 366 Comment
  POM6369  Rosa californica Philip A. Munz, Street, Williams 1919-5-3 2634 Riverside Along stream at Rincon. Comment
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Jun 11 2012
  RSA741212  Rumex acetosella Scott D. White, Justin M. Wood 2008-5-15 11989 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  POM10265  Rumex conglomeratus F. M. Reed 1904-6-5 s.n. Riverside Fairmont Park. Comment
  RSA561071  Rumex conglomeratus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  UCR180047  Rumex crispus Mitch Provance 2005-5-18 9808 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR262248  Rumex crispus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3735 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  JEPS3048  Rumex salicifolius var. denticulatus Carl V. Meyer 1928-7-30 586 Riverside San Jacinto Mts., Saunder's Meadow Comment
  UCR101300  Rumex violascens L. C. Wheeler 1955-6-10 7155 Riverside Sonoran (Colorado) Desert, Colorado River at John's Boat Landing Comment
  RSA234075  Sagina decumbens subsp. occidentalis R. F. Thorne 1969-6-6 39337 Riverside Santa Rosa Plateau: Ranch California; along small stream. 610 Comment
  UCR101585  Salazaria mexicana 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
  SEINET5568897  Salicaceae Swingle 1915-1 s.n. Riverside Indio. Comment
  CAS-BOT-BC126736  Salix exigua A. C. Sanders 2011-3-29 38858 Riverside Peninsular Range; Perris-Aguanga Basin Region: between Sun City and Perris, San Jacinto River at powerline corridor crossing west of Goetz Rd., above Railroad Canyon Lake 428 Comment
  POM262925  Salix exigua J. C. Roos 1937-5-23 617 Riverside La Sierra. Comment
  RSA6466  Salix exigua H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  RSA701400  Salix exigua Steve D. Boyd, Aydee Virgen 2004-4-13 10860 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR128560  Salix exigua A. C. Sanders, Mitch Provance 2001-4-5 23919 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  UCR225575  Salix exigua A. C. Sanders 2011-3-29 38858 Riverside Peninsular Range; Perris-Aguanga Basin Region, canyon in hills between Sun City and Perris, San Jacinto River at powerline corridor crossing west of Goetz Rd., above Railroad Canyon Lake 428 Comment
  UCR92189  Salix exigua D. L. Banks, Steve Boyd 1995-3-16 0101 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of the Dripping Springs Alcove, Arroyo Seco drainage. 555 Comment
  LA208613  Salix exigua var. exigua Marcus E. Jones; 1930-3-15 26531 Riverside Eagle Mountains Comment
  LA208659  Salix gooddingii Carl B. Wolf; 1932-4-28 3085 Riverside back of Colorado River, about 800 m from State Inspection Station, on way to Blythe Bridge 90.0 Comment
  RSA4945  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside Overflow land back of Colorado River, about 800 m. from State Inspection Station, on way to Blythe Bridge. 90 Comment
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Mar 26 2011
  RSA772064  Salix laevigata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4461 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
  UCR90961  Salix laevigata Scott D. White 1996-2-18 3811 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  POM362787  Salix lasiolepis N. C. Cooper 1947-4-5 2104 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR99586  Salix lasiolepis A. C. Sanders, S. Hawkins 1996-4-24 18091 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  UCR280963  Saltugilia australis Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 62 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  RSA0094572  Saltugilia australis Leigh A. Johnson, J. Mark Porter 1997-3-7 97 -004 Riverside Whitewater Canyon, south slopes of San Bernardino Mtns, just N. of I-10. Infrequent plants locally at base of east facing mtns approcimately where slope steepens and ravines begin., Located on west side of Whitewater Canyon Road at point where drainage pipes fo under road and fence is erected (just south of first houses). 600 Comment
  RSA587143  Saltugilia caruifolia D. L. Banks, S. D. Boyd 1995-6-2 0554 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 the boundary of sections 32 & 33. 1042 Comment
  RSA411318  Salvia apiana N. R. Zabriskie, Walter Zabriskie 1972-4-9 508 Riverside Northwest of Hwy 74, Deep Canyon drainage, Santa Rosa Mountains. 1220 Comment
  RSA772138  Salvia apiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4976 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  SD137723  Salvia apiana Darin L. Banks, Steve Boyd 1995-6-2 577 Riverside Agua Tibia Wilderness Area; north face of north peak of Agua Tibia Mountains, on the Woodchuck Trial north of the Riverside County boundary. 744 Comment
  SD137724  Salvia apiana Darin L. Banks, Steve Boyd 1995-5-9 349 Riverside North of the Agua Tibia Wilderness Area. North slopae of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area. 730 Comment
  POM13283  Salvia apiana var. compacta P. A. Munz 1922-6-26 5828 Riverside Southern Slope of Santa Rosa Mts. 1707 Comment
  UCR43206  Salvia carduacea B. G. Pitzer, Karen Kirtland 1986-5-7 0220 Riverside Butterfield Stage Ranch development, in the hills on the north side Pauba Valley, in the Rancho California area, 1 mi south of Buck Mesa on the E side of Butterfield State Road 457 Comment
  CHSC785  Salvia columbariae 1940-2-25 Riverside Temescal Canyon. Santa Ana river. Comment
  JEPS62684  Salvia columbariae L. M. Newlon 1922-4-3 431 Riverside 6 mi w Indian Wells (sw Colorado Desert); Colorado Desert Comment
  JOTR31858  Salvia columbariae La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2115 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  POM4128  Salvia columbariae Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains: Comment
  RSA49367  Salvia columbariae P. A. Munz 1949-4-11 12994 Riverside North base of Eagle Mtns. Mojave Desert. 945 Comment
  UC1287103  Salvia columbariae C. L. Hitchcock 1966-3-15 24155 Riverside 1 mi e Glen Ivy Hot Springs Comment
  UC25692  Salvia columbariae Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR234286  Salvia columbariae A. C. Sanders, John F. Green 2012-4-6 40003 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  CAS-BOT-BC221088  Salvia eremostachya Peter H. Raven 1958-5-18 13000 Riverside Along State Highway 74, 4.9 miles north-east of Pinon Flats [Pinyon Flat], San Jacinto Mountains Comment
  UCR23566  Salvia greatae John C. Roos 1958-3-29 s.n. Riverside Sonoran (Colorado) Desert, Salt Creek Wash, 3 miles north of Coachella Canal on [south] base of Orocopia Mtns. 305 Comment
  SBBG99475  Salvia mellifera W. L. Halvorson 1977-4-1 77 -224 Riverside 5 mi S of Temecula on Hwy S16 Comment
  UCLA69837  Salvia mohavensis C. Epling 1937-11-26 Riverside White Tank; 29 Palms Comment
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Nov 5 2011
  SEINET2076829  Salvia pachyphylla S. Rhodes, L. Brandt, R. Taylor, M. Hansen 1999-1 Riverside Comment
  JOTR34015  Salvia vaseyi La Doux, Tasha, M. Harding 2010-4-7 2902 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA24250  Salvia vaseyi Carl B. Wolf 1940-10-31 9762 Riverside Little San Bernardino Mts. Morongo Wash 6/10 mi. below San Bernardino Co. Line. 671 Comment
  UC666458  Salvia vaseyi Annie M. Alexander and Louise Kellogg 1941-6-1 2267 Riverside Dry Morongo Creek; Morongo Valley 655 Comment
  CSUSB691  Sambucus mexicana I. Rauch 1968-5-14 Riverside Santa Ana Mountains Santa Ana Mountains Comment
  UC1922062  Sambucus nigra subsp. caerulea Scott D. White, Angelia Carey 2004-4-5 10009 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR160530  Sanicula arguta John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  RSA763018  Sanicula bipinnatifida John F. Green 2010-3-19 s.n. Riverside Menifee area, c. 5.5 miles NE of Murrieta, powerline route c. 500 ft. south of 90 deg bend in Briggs Rd 427 Comment
  UCR34988  Sanicula bipinnatifida N. J. Ziegler 1973-4-9 504 Riverside San Jacinto Mtns, foothills of San Jacinto Mtns, [near Radec] 15 mi. south of Sage, near Sage/Aguanga Rd. 765 Comment
  RSA613427  Sanicula crassicaulis D. L. Banks 1997-4-5 1665 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  SD152964  Sanicula tuberosa Steve Boyd 1992-4-15 6863 Riverside Sant Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek. 334 Comment
  POM15028  Sarcodes sanguinea Mary F. Spencer 1922-6-26 1206 Riverside Idyllwild. San Jacinto Mts. 1707 Comment
  JEPS27450  Sarcostemma hirtellum Dr. L. M. Newlon 1922-1 451 Riverside Palm Canyon of Mt. San Jacinto Comment
  UCR42486  Sarcostemma hirtellum J. Hogan 1975-5-20 149 Riverside Mojave Desert, 3.5 mi. west of Pinyon Well, Pushawalla Canyon, Joshua Tree National Monument 1100 Comment
  UCR82819  Sarcostemma hirtellum Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  CHSC35796  Satureja chandleri James Henrickson 1972-5-21 7196 a Riverside 2 mi. W. of Murrieta on slopes up to Santa Rosa Plateau along Tenaja Rd. 396 Comment
  UCD93090  Schismus arabicus Ellis W. Van Gorder 1963-2-18 s.n. Riverside Colton. Comment
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Jun 8 2013
  UCR138582  Schismus arabicus Steve Boyd, Orlando Mistretta 1986-3-13 1430 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
  UCR213272  Schismus arabicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37432 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  RSA0110188  Schismus barbatus Duncan S. Bell 2010-4-2 709 A Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  UCR138815  Schismus barbatus D. L. Banks 1997-2-17 1280 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. Along Pechanga Rd. in the Reservation, c. 10 m west of the Pechanga Tribal Government Center 367 Comment
  UCR49994  Schismus barbatus S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  SBBG119447  Schoenoplectus acutus var. occidentalis A. C. Sanders 2004-5-12 27865 Riverside Walker Cyn at N foot of Alberhill Mtn, Temescal Crk 378 Comment
  UC574919  Schoenoplectus acutus var. occidentalis C. Epling and J. Ewan June, 1933 Riverside s shore Lake Elsinore; s shore Lake Elsinore Comment
  UCR113863  Schoenoplectus americanus Mitch Provance 2000-6-24 2067 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR93042  Schoenoplectus americanus Scott D. White, S. Ogg 1994-10-17 2471 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  RSA91474  Schoenoplectus maritimus Joseph A. Ewan, C. Epling 1933-5-12 7609 Riverside South shore Lake Elsinore. Comment
  POM320443  Scirpus microcarpus Worthman 1968-5-16 154 Riverside 4.4 miles west of Murrieta. 320 Comment
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Jun 16 2013
  POM47439  Scirpus microcarpus Mary F. Spencer 1919-6-28 1234 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA0120311  Scrophularia californica Duncan S. Bell 2016-4-16 9316 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA249459  Scrophularia californica subsp. floribunda John F. Emmel 1973-3-3 413 Riverside South Fork of San Jacino River, west of Hemet. 793 Comment
  RSA445339  Scutellaria siphocampyloides M. B. Dunkle 1933-7-20 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR79256  Scutellaria tuberosa subsp. australis Steve Boyd, T. S. Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  RSA697610  Securinega fasciculata var. hallii J. R. Bruff 1928-4-2 168 Riverside Cottonwood Springs. Comment
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Oct 9 2010
  RSA603301  Sedum niveum R. E. Riefner 1997-8-7 97 -241 Riverside Santa Rosa Mountain: near summit 2439 Comment
  UCR101427  Selaginella bigelovii A. C. Sanders 1997-3-19 20026 Riverside Lake Skinner area, hills at east foot of Bachelor Mtn., 0.5 km north of NE arm of lake, small canyon at N foot of 1700 ft. hill 488 Comment
  UCR121307  Selaginella bigelovii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25016 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  CAS-BOT-BC62078  Selaginella eremophila Ira L. Wiggins 1938-3-25 8925 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  UCR85318  Selaginella eremophila A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16152 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  RSA524454  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4090 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA16513  Senecio flaccidus var. douglasii P. C. Everett 1935-6-17 7145 Riverside Santa Ana Mts., Coldwater Can. Trail to Santiago Pk., 1 mile above Glen Ivy Resort. 549 Comment
  RSA586726  Senecio flaccidus var. douglasii D. L. Banks, S. D. Boyd 1995-5-17 0448 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
  SEINET2064016 Image available Sesbania herbacea A. C. Sanders 1988-11-6 8736 Riverside Coachella Valley; W side of Hwy 86, 6.25 mi S of its junction with Hwy 111 in Coachella and 3.85 N of Valerie Jean, 0.55 mi N of Ave. 60. -35 Comment
  UCR275529  Sesuvium verrucosum A. C. Sanders, Karen Kirtland 2016-9-23 42631 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  SBBG80508  Setaria adhaerens A. C. Sanders 1985-8-24 5948 Riverside near Oasis on Ave 76, 0.4 mi E of Hwy 195, along S side of large drain flowing toward Salton Sea -54 Comment
  RSA338585  Setaria adhaerens A. C. Sanders 1985-8-24 5948 Riverside Near Oasis in the lower Coachella Valley, common weed in a grapefruit orchard on the dirt extension of Ave. 76, 0.4 mi. E if Hwy 195, along the S side of a large drain flowing toward the Salton Sea. Comment
  RSA89904  Setaria verticillata J. C. Roos 1952-5-14 5660 Riverside Scattered locally along edge of irrigated orchard with Echinochloa, Crusgalli, etc., corner of Iowa and 8th Street east of Riverside. 305 Comment
  SEINET10539567 Image available Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 Boyd 6783 Riverside Santa Ana Mountains, Elsinore Peak area south of Lake Elsinore, on "Onion Hill", a grassy knoll about 0.5 miles southeast of Elsinore Peak on the crest of the range, north of the Main Divide Road. T6S R4W SE1/4 SW1/4 sec. 31 (USGS Wildomar 7.5' quadrangle). Gentle slopes with grassland of Stipa pulchra on clay soil developed over volcanic cobble, adjacent to chaparral dominated by Adenostoma fasciculatum and Ceanothus crassifolius. Associated with Allium munzii, Allium haematochiton, Allium lacunosum, Fritillaria biflora, Sanicula bipinnatifida, Lomatium dasycarpum, Delphinium parryi, Chorizanthe polygonoides var. longispina, Chorizanthe fimbriata, Harpagonella palmeri, Camissonia graciliflora, Lasthenia californica, Microseris douglasii ssp. platycarpha, and Ancistrocarphus filagineus. 1012 Comment
  SD181453  Sidalcea malviflora Scott D. White, Sandy Leatherman 2000-4-19 7662 Riverside Santa Ana Mountains/Santa Rosa Plateau, near Squaw Mountain, series of unpaved roads on east- and north-facing slopes; Wildomar [quad]. 640 Comment
  UCR112824  Sidalcea malviflora A. C. Sanders 1997-5-1 20611 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  RSA734205  Sidalcea malviflora subsp. sparsifolia Keith E. Hoffmaster 1937-6-6 787 Riverside San Jacinto mountains, near Hemet Lake Comment
  UC18905  Sidalcea malviflora subsp. sparsifolia Mrs. Gregory 1890-1 Riverside at San Jacinto Comment
  CAS-BOT-BC109421  Sidotheca emarginata Peter H. Raven 1958-5-18 13002 Riverside Pinon Flats, San Jacinto Mountains. Comment
  CAS-BOT-BC384455  Silene antirrhina John Thomas Howell 1931-5-30 6588 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA525357  Silene antirrhina Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4453 Riverside Vail Lake area, benches along Kolb Crk., W of Dripping Springs, N of Hwy 79. 487 Comment
  SD137808  Silene antirrhina Darin L. Banks, Steve Boyd 1995-5-3 236 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Drippin Springs Alcove Area. 515 Comment
  RSA650131  Silene gallica Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  UCR231768  Silene gallica John F. Green 2008-4-21 02- 02 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  UCR25543  Silene gallica John C. Roos 1941-4-19 171 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  POM17945  Silene laciniata subsp. major P. A. Munz 1923-6-14 7117 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  RSA787992  Silene laciniata subsp. major L. M. Prince, Duncan S. Bell 2012-6-17 576 Riverside Cleveland National Forest. Comment
  UC1294019  Silene laciniata subsp. major E. K. Balls 1958-6-27 23295 Riverside from jct with Main Divide 3.1 mi nw along Indian Trunk Trail; Santa Ana Mts., along Indian Trunk Trail fr jct w/Main Divid 914 Comment
  UC8483  Silene parishii H. M. Hall May 17 1901-Jun 1 1901 Riverside near summit Santa Rosa Peak; near summit Santa Rosa Peak Comment
  RSA206257  Silene parishii var. viscida Reid V. Moran 1968-8-3 15369 Riverside NE slope 1 mile west of summit, Santa Rosa Mts.; Near 33 12 N, 116 28 W 2150 Comment
  CAS-BOT-BC202941  Simmondsia chinensis Annie M. Alexander; Louise Kellogg 1941-5-12 2159 Riverside Colorado Desert. Road to Black Eagle Mine, Eagle Mountains 777 Comment
  LA103833  Simmondsia chinensis B. Pitzer; 1986-3-18 BG- 63 Riverside UCR Botanic Garden, cultivated in grid cell # D-7 396 Comment
  SD80042  Simmondsia chinensis Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-28 277 Riverside Andreas Canyon, near Palm Springs, alongside trail, 50' south of Andreas stream, opposite mouth of North Canyon 366 Comment
  SDSU11069  Simmondsia chinensis A. H. Gallup 1949-3-28 354 Riverside Palms to Pines Hwy. Above Desert Center. San Jacinto Mts. 762 Comment
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Apr 5 2011
  UC869416  Simmondsia chinensis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  SEINET10453609  Simmondsia chinensis A. K. Evans 1976-4-13 Evans 5163 Riverside Rocky slopes of Santa Rosa mountains. Comment
  SEINET12141009  Simmondsia chinensis P. H. Raven 1958-1 11857 Riverside Smoketree Wash, Joshua Tree National Monument Comment
  RSA431722  Sisymbrium altissimum N. C. Cooper 1944-4-23 1098 Riverside Banning 701 Comment
  RSA716398  Sisymbrium altissimum Scott D. White, Angelia Carey 2004-4-5 9996 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA614405  Sisymbrium orientale D. L. Banks 1997-3-16 1538 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment