Search Results — 2000 specimen records retrieved (1895 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR240626  Abies concolor Tracy Tennant, Mitch Provance 1998-6-16 MOR- 418 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  CAS-BOT-BC389743  Abronia villosa M. Danielson 1963-12-23 s.n. Riverside Beginning of dirt road into Tahquitz Canyon Comment
  POM279283  Abronia villosa Lyman Benson 1933-3-31 4155 Riverside US 66 [actually US 60], 10 mi E of Banning. 457 Comment
  POM6706  Abronia villosa P. A. Munz, L. T. Street, Williams 1919-3-27 2385 Riverside Salton Sea Comment
  POM8421  Abronia villosa P. A. Munz, R. D. Harwood 1920-4-4 3511 Riverside Pass south of Palm Springs. 152 Comment
  SBBG35008  Abronia villosa T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  SEINET893735  Abronia villosa Rea Raymond 1962-1 197 Riverside Cathedral City, Palms to Pines Highway. San Jaciento mountain range. 152 Comment
  UCR42400  Abronia villosa J. M. Stewart 1986-2-24 86- 14 Riverside Sonoran (Colorado) Desert, Coachella Valley, Country Club Drive, 0.6 mi. west of Washington Street, Palm Desert 43 Comment
  RSA461189  Abronia villosa var. aurita Robert M. Perkins, R. M. P., H. deForest 1937-3-15 408 Riverside White Water Creek Comment
  RSA461197  Abronia villosa var. villosa Anstruther Davidson 1930-4-10 s.n. Riverside Palm Springs. Comment
  UCR123830  Abronia villosa var. villosa Steven R. Hill, K. Kramer 2001-4-27 33489 Riverside Sonoran (Colorado) Desert, N side of Route I-10, W side of Coachella Canal, about 0.1-0.2 mi north of interstate highway, 3 mi east of Indio 9 Comment
  UCR241606  Abronia villosa var. villosa A. C. Sanders, Ann Howald 2013-2-28 40555 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  UC68625  Acacia greggii H. M. Hall Apr 1905 5987 Riverside near Indio (Colorado Desert); Colorado Desert 30 Comment
  RSA666720  Acacia redolens A. C. Sanders, T. B. Salvato 2001-3-30 23856 Riverside Temecula, Long Canyon west Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada. 366 Comment
  LA210544  Acamptopappus sphaerocephalus Harlan Lewis; 1935-4-6 1160 Riverside Palm Springs 152 Comment
  JOTR34399  Acamptopappus sphaerocephalus var. sphaerocephalus Andre, Jim 2012-4-16 20933 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  SEINET1956958 Image available Acamptopappus sphaerocephalus var. sphaerocephalus A. J. Breitung 1953-6-12 15554 Riverside Santa Rosa Mts. Hwy. 74, San Bernardino National Forest Riverside Co., California Comment
  RSA263761  Acer macrophyllum E. W. Lathrop 1971-3-24 7480 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA717495  Acer negundo A. C. Sanders, O. F. Clarke 1991-6-10 11122 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR239833  Acer negundo O. F. Clarke 2004-4-6 s.n. Riverside Peninsular Range, Riverside, UCR campus, near road to Botanic Garden 328 Comment
  UCR25767  Acer negundo John C. Roos 1949-4-2 4134 Riverside upper San Timoteo Canyon Comment
  SD138511  Achillea millefolium Darin L. Banks, Peter Morrell 1995-5-4 299 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain east of Dripping Springs along Woodchuck Trail 569 Comment
  UCR178159  Achillea millefolium 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
  RSA191422  Achnatherum coronatum E. W. Lathrop, Robert F. Thorne 1967-9-26 6607 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Stat. 610 Comment
  RSA714960  Achnatherum hymenoides Sarah J. De Groot, J. Mark Porter 2006-3-14 5204 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  SEINET260232 Image available Achnatherum parishii subsp. parishii M. Curto, LS Allen 1990-6-18 663 Riverside Santa Rosa Mt NW slope Santa Rosa Mt Rd (SBNF 7S02) ca 5 km W of Santa Rosa Springs Campground 1830 Comment
  UC1578000  Achnatherum speciosum M. Barkworth 1981-5-8 3406 Riverside near Aguanga 914 Comment
  UC1601392  Achnatherum speciosum H. M. Hall May 1899 1177 b Riverside Riverside, El Toro Mt. El Toro Mt. 1524 Comment
  UCSB18915  Achnatherum speciosum Keefe, Joseph 1965-5-18 Riverside NE slope of Mt Edna, 2.1 mi S of Banning on road to Idyllwild. 762 Comment
  RSA559928  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Paloma Valley betweeen Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd. and Scott Rd. Comment
  CHSC210  Achyronychia cooperi E. Thomas 1940-3-3 Riverside Along shore of Salton Sea. Comment
  JOTR33800  Achyronychia cooperi La Doux, Tasha, B. Truesdell 2007-11-9 3298 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash, along Route 11 where the wash crosses the road (STOP 1) 532 Comment
  RSA423488  Achyronychia cooperi P. A. Munz 1932-3-14 11999 Riverside Palm Springs. 91 Comment
  SEINET957101  Acmispon argophyllus H. S. Gentry 1957-1 16385 Riverside Dripping Springs. 732 Comment
  UCD103974  Acmispon argophyllus Gordon Pilone 1961-3-1 92 Riverside White Water Canyon, 1/2 mile below Fish Hatchery. 457 Comment
  RSA0124001  Acmispon argyraeus var. argyraeus Duncan S. Bell, Thomas Stoughton 2016-4-13 9249 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  JOTR33854  Acmispon glaber var. brevialatus La Doux, Tasha 2009-6-3 1874 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  SD181519  Acmispon strigosus Scott D. White 2000-5-30 7971 Riverside Corona foothills, ca. 1 mile southeast of the I-15/El Cerrito Road junction adjacent to new houysing construction, alluvial terraces with steep, incised channels. This robust plant in a burned area. 334 Comment
  SDSU13586  Acmispon strigosus W. Miller with C. Mosse 1972-7-20 Riverside Comment
  RSA718296  Adenophyllum porophylloides Michael Honer, L. Hulse 2004-4-2 1877 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  SD90105  Adenophyllum porophylloides Nancy Ryan Zabriskie, Walter Zabriskie 1972-12-30 554 Riverside Callaway Canyon, east slope San Jacinto Mountains. Comment
  UCR140703  Adenostoma fasciculatum A. C. Sanders 2004-5-11 27850 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  SD259059  Adenostoma fasciculatum var. fasciculatum Sarah J. De Groot, Thomas Stoughton 2016-4-20 7808 Riverside Along the Pacific Crest Trail at top of hill just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 829 Comment
  CAS-BOT-BC139872  Adenostoma sparsifolium Scott D. White 1996-8-1 4456 Riverside Twin Pines Area: Just N of Twin Pines Rd, ca. 1/2 air mile W of Twin Pines Ranch 1150 Comment
  POM10280  Adenostoma sparsifolium Wilder 1908-08 s.n. Riverside San Jacinto Mountains. Comment
  POM613  Adenostoma sparsifolium E. E. Schellenger 1901-07 s.n. Riverside Riverside. Comment
Read comments
Jun 18 2011
  SEINET2084147  Adenostoma sparsifolium G. Rink 1999-5-20 sn Riverside San Bernardino National Forest, Santa Rosa Mountains south of Palm Springs 1219 Comment
  UCD112517  Adenostoma sparsifolium R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga. Comment
  CAS-BOT-BC69645  Adiantum capillus-veneris Louis C. Wheeler 1933-12-1 2295 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  POM12531  Adiantum capillus-veneris Philip A. Munz 1922-3-12 4709 Riverside Andreas Canyon Comment
  CLARK-A1528-1004  Agrostis exarata E. W. Lathrop 1959-5-29 Riverside Cleveland National Forest Comment
  UCD52295  Agrostis exarata Peter M. Ray Date Unknown 1934 Riverside Hall Canyon, San Jacinto Mtns. Comment
  JEPS73944  Agrostis idahoensis Carl V. Meyer 1928-7-27 861 Riverside Round Valley San Jacinto Mts. Comment
  POM1145  Agrostis idahoensis H. M. Hall 1897-8-10 784 Riverside Tahquitz Valley. 2652 Comment
  UCR201703  Agrostis viridis Scott D. White, Justin M. Wood 2008-6-19 12277 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR43548  Aira caryophyllea R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60656 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: edge of Cleveland National Forest 610 Comment
  RSA469422  Aliciella latifolia M. B. Dunkle 1933-3-4 3055 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA67713  Aliciella latifolia Verne Grant, Alva Grant 1952-4-1 17519 Riverside 9 miles E of Mecca Comment
Read comments
Apr 8 2011
  IRVC14335  Allenrolfea occidentalis L. McHargue 1971-10-23 Riverside Salton Sea; Northshore, edge of Salton Sea in wet, saline soil. Sonoran Desert -70 Comment
  SEINET3092159 Image available Allionia incarnata P. Leary 1974-10-26 516 Riverside Hexie Mountains, N of Mary Peak, Joshua Tree National Monument. Comment
  UC703084  Allionia incarnata Lester Rowntree 1937-5-26 Riverside Box Canyon near Mecca; Box Canyon Comment
  CAS-BOT-BC469000  Allium fimbriatum var. fimbriatum Ynez Whilton Winblad 1937-4-23 s.n. Riverside Pines to Palms Highway, Mt. San Jacinto Comment
  RSA496377  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3053 Riverside Vail Lake area, 0.75 mi NW of dam, clay deposits on dissected bench, S flank Oak Mountian. 621 Comment
  UCR29261  Allium lacunosum var. lacunosum A. C. Sanders 1980-6-11 1577 Riverside San Jacinto Mtns, Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  RSA543597  Allium munzii Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6129 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. N-facing slope of low hill. 488 Comment
  UCR144117  Allium munzii Scott D. White, Kurt Cambell, John Resek 2000-4-26 7736 Riverside Santa Ana Mtns, Lake Elsinore area, low hill west of intermittent channel (drains Walker Canyon). SW of Collier Ave. and NW of Riverside Dr. 412 Comment
  RSA495447  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2975 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR16034  Allium peninsulare Steve Kulju 1974-4-27 s.n. Riverside Box Springs Mtns. Dirt road to the radio tower, 4 mi from Pigeon Pass Road. 762 Comment
  RSA0048295  Allium peninsulare var. peninsulare A. L. Haines 1951-5-19 5142 Riverside Bautista Wash, San Jacinto Mts. 609 Comment
  RSA674662  Allophyllum divaricatum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UC1483922  Allophyllum glutinosum C. W. Tilforth and B. Busenberg 1980-6-10 1978 Riverside 1 mi. s. Lake Hemet (0.1 mi. in from Hwy. 74 on n. leg of Thomas Mt. Rd.) 1386 Comment
  UCR113620  Alnus rhombifolia Stan C. Spencer 2000-2-1 s.n. Riverside Temecula Valley, Empire Creek (Long Valley) SW of Margarita Rd. 329 Comment
  RSA356721  Alopecurus saccatus R. F. Thorne, Earl Lathrop 1975-5-25 45549 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  SBBG119392  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, planting bed at Home Depot at Pigeon Pass Rd on N side of Hwy 60 503 Comment
  RSA667031  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23101 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  UCR89729  Amaranthus palmeri J. M. Stewart 1990-9-23 658 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  SD137916  Ambrosia acanthicarpa Darin L. Banks, Steve Boyd 1995-10-17 756 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  RSA643280  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-4-2 s.n. Riverside Moreno Badlands: W of Beaumont, south side of Hwy 60, 2 miles W of Jackrabbit Trail 686 Comment
Read comments
Mar 21 2011
  UCR251771  Ambrosia confertiflora S. J. Myers 2014-7-2 s.n. Riverside Banning, SE of intersection of Westward Ave. and 8th St. Comment
  CHSC95389  Ambrosia dumosa C. Spurrier; Way, M. J. 2001-6-14 6 Riverside Riverside County. Big Morongo Canyon Preserve, Kickapoo trail, 5.6 km north of State Water Company Entrance. 595 Comment
  RSA0025663  Ambrosia dumosa Deidre Conocchioli, Caitlin Elam 2013-10-1 73 Riverside East of Little Chuckwalla Mtns. From Blythe, CA. Take I-10 W for 17.8 miles, take the Wiley's Well Rd exit. Turn left (S) on Wiley's Well Rd. Travel for 1.3 miles on paved road, then continue onto the unpaved portion of the road for 4.5 miles., Collection site on right (W) side of road. 177 Comment
  RSA416961  Ambrosia dumosa B. C. Templeton, I. W. Clokey 1930-4-9 1077 Riverside North of Palm Springs. Colorado desert 400 Comment
  SEINET2043626 Image available Ambrosia dumosa C. M. Hanagan 1971-5-22 Riverside Approximately 1/4 mi. from the corner of Sunnyslope and Bagley Drive in 29 Palms Comment
  SEINET10725765  Ambrosia dumosa David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3612 Riverside Pushawalla Canyon, Indio Hills of the Colorado desert; west of Indio. Comment
  RSA261590  Ambrosia ilicifolia Trudy R. Ericson 1976-4-17 509 Riverside Coll. at the base of rocky cliffs in wash area which is 13.7 mi. from intersection of Corn Springs and Chuckwalla Roads. 671 Comment
  SJSU11733  Ambrosia ilicifolia R. C. McGehee 1970-4-30 248 Riverside 4 miles W of Corn Spring Canyon ca. 18 miles SE of Desert Center Comment
  POM319666  Ambrosia psilostachya Patricia Wilder 1970-10-15 4769 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  SDSU12970  Ambrosia psilostachya Michael G. Simpson 1999-10-27 2038 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR141258  Ambrosia psilostachya A. C. Sanders, Kelly Volansky 2004-10-6 28824 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  CAS-BOT-BC273010  Ambrosia salsola Roxana S. Ferris 1953-3-9 12596 Riverside Access road to Los Angeles Aqueduct up Berdoo Canyon, about 2 miles northeast of Indio-Desert Hot Springs road Comment
  CAS-BOT-BC273036  Ambrosia salsola Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  UCSB24500  Ambrosia salsola var. salsola McMinn, Howard 1935-6-27 Riverside Palm Canyon Region Comment
  POM13099  Amelanchier utahensis I. M. Johnston 1922-5-20 5488 Riverside Kenworthy 1418 Comment
  UCR6454  Amelanchier utahensis Art Whistler 1966-5-8 660508- 15 Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  RSA0000639  Ammoselinum occidentale P. A. Munz, D. Keck 1922-4-13 4930 Riverside Hayfields, Chuckwalla Valley 152 Comment
  CAS-BOT-BC177262  Amorpha fruticosa H. M. Hall 1901-6-1 2121 Riverside Eastern base, along the borders of the Colorado Desert Comment
  UC13288  Amorpha fruticosa H. M. Hall June, 1901 2121 Riverside San Jacinto Mts.; e base, along borders of Colorado Desert Comment
  UCR25986  Amorpha fruticosa var. occidentalis John C. Roos 1947-5-10 3614 Riverside San Bernardino Valley/Perris-Aguanga Basin Region, 3 mi SE of Console Spring, north of Sunnymead Comment
  CDA7723  Amsinckia intermedia Richard W. Shaffer 2008-2-25 PDR# 1262475 Riverside Themal, Avenue 66 & Pierce Street 0 Comment
Read comments
May 21 2016
  JOTR35928  Amsinckia intermedia De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6876 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  RSA702188  Amsinckia intermedia Scott D. White, Michael Honer 2004-3-11 9899 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR165426  Amsinckia intermedia A. C. Sanders 2005-4-21 29581 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  RSA0089611  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  RSA499877  Amsinckia menziesii E. A. McGregor 1965-4-20 s.n. Riverside Near Aguanga, along Rt. 79. Comment
  RSA517932  Amsinckia tessellata Steve Boyd 1986-3-1 1372 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  JOTR31852  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2110 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  POM13624  Amsonia brevifolia var. tomentosa E. C. Jaeger 1921-4-1 60 Riverside One Thousand Palms Canyon. Colorado Desert of California. Comment
  RSA0104452  Amsonia tomentosa Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-3-5 7761 Riverside Chuckwalla Mountains; a side canyon off of Irish Wash, approximately 1.5 air miles southwest of Aztec Well. 696 Comment
  RSA19239  Amsonia tomentosa var. tomentosa I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  CSUSB1819  Anagallis arvensis Deborah Sullivan 1973-7-17 Riverside Pedley, Riverside. 243 Comment
  RSA407736  Anagallis arvensis Steve Boyd 1986-5-1 1804 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  UCR60837  Anagallis minima R. F. Thorne 1973-5-23 43855 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA52803  Ancistrocarphus filagineus J. C. Roos 1950-4-29 4773 Riverside Reche Canyon near Console Springs. 610 Comment
  UCR264617  Anemopsis californica Mitch Provance 2011-6-6 17008 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  UC1087746  Angelica tomentosa Peter H. Raven with R. Snow 1957-7-26 11101 Riverside 0.7 mi below Vista Grande Ranger Station (Banning to Idyllwild Road, San Jacinto Mountains); San Jacinto Mountains Comment
  RSA544294  Anthemis cotula Steve Boyd, Timothy S. Ross 1991-6-14 6353 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
  SBBG101795  Anthriscus caucalis S. Boyd 1991-5-10 6214 Riverside just N of mouth of Hagador Cyn at bottom of Skyline Drive 426 Comment
  UCR174177  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32596 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
  JEPS5309  Antirrhinum filipes L. M. Newlon 1922-4-4 458 Riverside Palm Canyon Comment
  UCR133666  Antirrhinum kelloggii Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR177321  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-5-27 9410 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  UC310839  Apiastrum angustifolium Philip A. Munz 1925-5-20 9819 Riverside 2 mi w of Dripping Spring; Southern California 426 Comment
  UCR107748  Apiastrum angustifolium D. L. Banks 1997-5-5 1993 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR241838  Apiastrum angustifolium A. C. Sanders, Timothy W. Chumley 2013-4-2 40737 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCD127230  Apium graveolens Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-4 3651 D Riverside Vail Lake area, Temecula Creek, southeast of lake, just north of Hwy 79. 487 Comment
  UC64596  Apocynum androsaemifolium H. M. Hall 1897-8-13 847 Riverside San Jacinto Mts. 1828 Comment
  RSA561107  Apocynum cannabinum Steve Boyd, D. E. Bramlet, Timothy S. Ross 1993-5-12 7327 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
Read comments
Oct 30 2011
  RSA0125972  Arabis R. F. Thorne, Walter Wisura 1977-9-17 50773 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR24915  Arabis glabra A. C. Sanders 1980-7-18 1675 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  POM99028  Arabis glaucovalvula E. C. Jaeger 1926-3-24 s.n. Riverside White Tank, northern edge of Colorado Desert Comment
  UCR27029  Arabis johnstonii T. P. Krantz 1978-5-30 S.N. Riverside San Jacinto Mtns., Quinn Flat, on E side of meadow Comment
  UCR162394  Arabis sparsiflora S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR273478  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42623 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 at McGaugh Rd., west slope of the mountains below Mountain Center 1314 Comment
  SEINET12524577 Image available Arctostaphylos glandulosa A. E. Wieslander 1938-1 822 Riverside Idyllwild, San Jacinto quadrangle sec. 24, T. 5S., R. 2E. 1524 Comment
  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
  POM254949  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  CAS-BOT-BC24671  Arctostaphylos glauca Steve Boyd 1986-4-19 1704 Riverside Temescal Canyon: e. side of Indian Wash between I-15 and Temescal Canyon Rd. Comment
  RSA631759  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15065 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631772  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16555 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA631789  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16735 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA631818  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19257 Riverside Highway 79, 5 km west of Radec. 580 Comment
  UCR112403  Arctostaphylos glauca A. C. Sanders, Mitch Provance, E. J. Lawlor 2000-1-23 23314 Riverside Lake Skinner area, summit of Black Mtn. 915 Comment
  UCR76880  Arctostaphylos glauca B. G. Pitzer, Stu Hemstreet 1992-5-21 1949 A 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
  RSA633546  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21780 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633557  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21790 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633587  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22509 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633612  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21768 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633646  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20144 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633657  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16644 Riverside Road to Santa Rosa Mountain (7S02), 7.5 km south of Highway 74. 1860 Comment
  RSA633687  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16654 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633718  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20127 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633760  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22653 Riverside Road to Santa Rosa Mountain. 2000 Comment
  CAS-BOT-BC44329  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley one and one-half miles from Idyllwild on road to Banning, San Jacinto Mts. 1706 Comment
  RSA508008  Arctostaphylos pringlei subsp. drupacea Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2300 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA6037  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  GMDRC6546  Arctostaphylos pungens J. M. Andre 2012-6-15 30498 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
  LA204844  Arctostaphylos pungens Jonathan Sauer; R. Minnich 5959 Riverside San Jacinto Mountains Comment
  RSA750750  Arctostaphylos pungens Scott D. White, Justin M. Wood 2009-5-22 12893 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SD233811  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. S facing mountainside. Deer Spr Creek is now dry, but surrouding forest is more shaded and mesic. 1700 Comment
  RSA636012  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18805 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  UCR193121  Arenaria douglasii A. C. Sanders, Tim Thomas 2008-6-20 35556 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  JOTR36088  Argemone munita La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3315 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  CAS-BOT-BC401679  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-8-7 2178 b Riverside 13.2 miles s.e. of Idyllwild, Hemet Valley 1371 Comment
  RSA0018883  Aristida adscensionis Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6016 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
  UCR200288  Aristida adscensionis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11231 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR217799  Aristida adscensionis Jim Andre, T. La Doux 2010-2-28 12554 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR242289  Aristida adscensionis A. C. Sanders, T. B. Salvato 2012-10-12 40420 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UCR252607  Aristida adscensionis T. B. Salvato, Matthew Malle 2013-4-15 7538 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 1.10 mi northeast of the junction of Lake Street and Hwy I-15 567 Comment
  UCSB43912  Aristida adscensionis Oberholtzer, M. 1980-3-30 Riverside Wiley's Well, 10 mi SE of Blythe; on trail 0.25 mi N of parking lot on trail to geode diggings 76 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
  POM310162  Aristida adscensionis var. modesta Hulda Crooks 1946-3-2 271 Riverside Palm Springs area. 139 Comment
  GMDRC2038  Aristida californica var. californica J. Andre, T. La Doux 2006-4-11 6739 Riverside Pinto Basin: Pinto Basin: about 1 mi. N. of Pinto Basin Rd (paved) growing in the Sand Hill area, stabilized dunes. Elev. 1728 ft. 527 Comment
  SEINET212398  Aristida californica var. californica N. H. Holmgren, PK Holmgren; RE Kern 1973-3-22 6457 Riverside Rice Valley 7 miles south-southwest of Rice 274 Comment
  RSA0110190  Aristida purpurea Duncan S. Bell 2010-4-2 710 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
  SEINET10513118  Aristida purpurea var. fendleriana David Griffiths 1905-7-20 Griffiths 8008 Riverside 1 mile east of Baurring. Comment
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Sep 3 2017
  JEPS68444  Aristida purpurea var. nealleyi W. L. Jepson 1928-4-25 12585 Riverside Cottonwood Spgs. Colorado Desert, Eagle Mts. 731 Comment
  JOTR33752  Aristida purpurea var. nealleyi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2750 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  POM146220  Aristida purpurea var. nealleyi F. M. Reed 1927-3-18 5440 Riverside Upper Fork of Salt Creek Wash, Colorado Desert. 213 Comment
  JOTR30087  Aristida purpurea var. purpurea La Doux, Tasha, Alice Miller 2007-5-8 1732 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd. 1385 Comment
  RSA0034601  Aristida purpurea var. purpurea J. C. Roos 1965-8-15 s.n. Riverside Gilman Hot Springs, San Jacinto Valley. Comment
  RSA0121061  Aristida purpurea var. wrightii Duncan S. Bell, Thomas Stoughton 2016-3-16 8947 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA655605  Artemisia annua O. F. Clarke 1998-9-22 s.n. Riverside Box Springs Mtns. foothills, weed in the yard at 266 Frost Court, just east of UCR 396 Comment
  SD90106  Artemisia californica Nancy Ryan Zabriskie, Walter Zabriskie 1972-12-25 548 Riverside San Jacinto Mountain, east slope on trail to ridge above Eagle Peak, Andreas Canyon watershed Comment
  UCR220001  Artemisia californica A. C. Sanders 2010-11-18 38692 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  CAS-BOT-BC90575  Artemisia dracunculus P. A. Munz 1941-10-1 17239 Riverside Pines to Pines Highway, north base of Santa Rosa Mts. Comment
  UCR116674  Artemisia dracunculus A. C. Sanders, Carolyn Washburn 2001-5-10 24238 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UC449647  Artemisia palmeri F. M. Reed 1905-9-28 Riverside Santa Ana River bottom 243 Comment
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Sep 10 2008
  RSA417379  Artemisia spinescens Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  SD137920  Asclepias californica Darin L. Banks, Steve Boyd 1995-5-3 246 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 515 Comment
  POM12026  Asclepias eriocarpa Mary F. Spencer 1921-7-7 965 Riverside Tahquitz trail. Idyllwild Comment
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Aug 17 2011
  UCSB762  Asclepias erosa Keefe, Joseph 1966-7-27 Riverside North side U.S. Highway 60, 14.5 miles west of Arizona state line, west of Blythe Comment
  JOTR35993  Asclepias subulata Harding, Mitzi, Mark Wheeler 2012-9-4 204 Riverside Joshua Tree National Park. Pinto Wells; large, active wash west of road leading to weather station (stop 4) 262 Comment
  UCR12209  Asclepias subulata O. F. Clarke 1969-11-22 s.n. Riverside Sonoran (Colorado) Desert, 4.5 mi. east of North Palm Springs, Coachella Valley 290 Comment
  UCR34105  Asparagus officinalis Lance F. Howard 1984-5-28 37 Riverside San Bernardino Valley Region, Riverside, Fairmount Park, 40 m from Dexter Street, west of Lake Evans, 5 m from the maintenance road 239 Comment
  RSA180353  Aspidotis californica E. W. Lathrop 1960-6-7 4863 Riverside 14 miles W of Murrieta Comment
  UCR89799  Aspidotis californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3341 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SEINET10728237  Aster Billy Joe Cox 1975-10-10 Cox 4224 Riverside Riverside-Imperial counties. 1-3 km W, (ca. 32 km S of Blythe); creosote desert scrub sandy and gravelly entisols. 70 Comment
  UCR110394  Aster bernardinus A. C. Sanders, Mitch Provance 1999-9-26 23078 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  RSA444474  Astragalus allochrous var. playanus J. C. Roos 1949-4-10 4228 Riverside Chuckawalla Mountains: Rocky hillside about 3.5 mi. SE of Desert Center. Comment
  GMDRC5834  Astragalus aridus J. M. Andre 2013-3-27 24804 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  SEINET938076  Astragalus coulteri Rea Raymond 1962-1 204 Riverside 29 Palms Highway, Joshua tree. Mojaucean Desert 914 Comment
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Aug 24 2013
  JEPS54790  Astragalus crotalariae Marjorie D. Clary 1932-12-18 1751 Riverside 6 mi sw Coachella (Conchilla Desert, Colorado Desert); Colorado Desert, sw of Coachella, Conchilla Desert -15 Comment
  UCSB45527  Astragalus didymocarpus Roos, John 1952-4-30 Riverside Hills between Camp Haan and Riverside 518 Comment
  RSA501067  Astragalus didymocarpus var. dispermus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3185 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SBBG68216  Astragalus douglasii Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  CAS-BOT-BC178436  Astragalus douglasii var. parishii E. A. McGregor 1943-6-12 20 Riverside Idyllwild, San Gabriel Mountains Comment
  CAS-BOT-BC178443  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR97238  Astragalus douglasii var. parishii T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  UC13322  Astragalus filipes H. M. Hall June, 1901 2164 Riverside Thomas Valley , Thomas Valley (San Jacinto Mountains) 1371 Comment
  SBBG133728  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2011-4-27 39334 Riverside S side of Alberhill Mtn in vicinity of Durant Siding and Terra Cotta, near Nichols Rd and extension toward Lake St 390 Comment
  SEINET3409359  Astragalus insularis var. harwoodii G. Rink 2013-3-17 11855 Riverside About five miles west of Blythe, on the south side of the road south of the Blythe power plant 120 Comment
  UCR214865  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37394 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
  UCR228170  Astragalus insularis var. harwoodii Dave Silverman, Onkar Singh 2010-3-26 7853 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of McCoy Mtns, NW of Blythe, 3.0 km E of Black Creek Rd, c. 4.3 km W of McCoy Wash, and c. 8 km N of I-10 142 Comment
  CAS-BOT-BC187104  Astragalus lentiginosus var. borreganus Ivan Johnston 1917-4-4 1065 Riverside Whitewater Comment
  UC68626  Astragalus lentiginosus var. borreganus H. M. Hall Apr., 1905 5958 Riverside Paloverde , Paloverde (Colorado Desert) 76 Comment
  JOTR34152  Astragalus lentiginosus var. coachellae Andre, Jim, G. L. Clifton and T. La Doux 2011-2-22 17466 Riverside OUTSIDE PARK BOUNDARY. Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N. Indian Cyn Drive 185 Comment
  SEINET5325595  Astragalus lentiginosus var. fremontii H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert, Lower Sonoran Zone, 240 Comment
  JEPS54934  Astragalus palmeri Marjorie D. Clary 1932-11-14 1673 Riverside Pinyon Flats , Pinyon Flats (San Jacinto Mts.) 1219 Comment
  POM308355  Astragalus palmeri Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3028 Riverside Santa Rosa Mountains. 1220 Comment
  RSA0121041  Astragalus palmeri Duncan S. Bell, LeRoy Gross 2016-3-29 9126 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UC63675  Astragalus palmeri H. M. Hall May 17 1901-Jun 1 1901 1831 Riverside Below Cottonwoods to Palm Canyon 914 Comment
  CAS-BOT-BC194137  Astragalus pomonensis C. Epling; J. Ewan 1933-6-1 s.n. Riverside 5 mi. above Corona, Temescal Canyon Comment
  CAS-BOT-BC194141  Astragalus pomonensis M. E. Jones 1882-4-27 s.n. Riverside Temecula Comment
  PASA2745  Astragalus pomonensis Frank W. Peirson 1920-6-6 7696 Riverside Dripping Spring, Temecula River 457 Comment
  RSA415660  Astragalus pomonensis B. C. Templeton 1930-4-15 1483 Riverside Between Perris and Gavilan Peak. 610 Comment
  RSA524468  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4071 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
  UCR212975  Astragalus pomonensis Justin M. Wood, Brandy N. Wood 2009-7-4 1036 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  UCR130221  Astragalus purshii George K. Helmkamp, E. A. Helmkamp 1998-6-27 4120 A Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 5.8 miles southeast of Calif. Hwy 74 1799 Comment
  SEINET3134680  Astragalus sabulonum L. S. Rose 1938-2-1 38011 Riverside 10 mi W of Blythe 122 Comment
  PASA2748  Astragalus tricarinatus Marcus E. Jones 1929-3-19 8640 Riverside Whitewater, Colorado Desert Comment
  RSA482797  Athysanus pusillus Christopher Davidson 1973-4-1 1822 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 427 Comment
  UCR162401  Athysanus pusillus 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
  UCR24409  Atrichoseris platyphylla John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  POM187873  Atriplex argentea E. C. Jaeger 1932-8-31 s.n. Riverside Between Lakeview and San Jacinto Comment
  POM278666  Atriplex canescens Grant D. Brown 1949-12-14 469 Riverside 1.5 miles W of White Water Comment
  RSA543198  Atriplex canescens Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6098 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  SEINET3930604  Atriplex canescens Grant D. Brown 1950-3-5 491 Riverside 3 miles east of Indio on highway #60/70.; 0 9 Comment
  SEINET998491  Atriplex canescens A. C. Sanders 2005-1 29128 Riverside Sonoran (Colorado) Desert: SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. (East of Victory Pass 7.5' Q) 168 Comment
  UC1366101  Atriplex canescens K. R. Montgomery 1969-9-7 69 -31 Riverside 18 mi s Hemet (1.5 mi e of Riverside Co. Hgwy 3, on Wilson Valley Road); s of Hemet Comment
  UCR113603  Atriplex canescens A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23673 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  SD80077  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-10-31 325 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  RSA736290  Atriplex coronata var. notatior Scott D. White, Justin Wood 2008-5-27 12029 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  UCR266303  Atriplex davidsonii D. E. Bramlet 2009-5-27 4390 Riverside Perris-Aguanga Basin Region, upper Salt Creek, west of Hemet-Ryan Airport, c. 450 m west of Warren Rd. & 990 m south of Florida Ave., 490 m east of the San Diego canal 456 Comment
  UCD169480  Atriplex glauca R. E. Riefner Jr. 2002-12-12 2- 521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15. 216 Comment
  JOTR37713  Atriplex hymenelytra Hodges, Stephen R. 2016-3-1 638 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line in canyons of black rock. Sparsely vegetated. Comment
  CAS-BOT-BC176531  Atriplex polycarpa John Thomas Howell 1928-11-4 4085 Riverside Wash in lower part of Hidden Spring [Canon] Canyon, 11 miles se. of Mecca, Chocolate Mts. Comment
  UCR8992  Atriplex semibaccata O. F. Clarke 1969-9-26 s.n. Riverside San Bernardino Valley/upper Santa Ana River Region, City of Riverside, University of California campus 335 Comment
  UCR229495  Atriplex serenana Jeremiah George 2011-8-3 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, north end of Pasadena Ave., SE of Hwy 74/Riverside Dr. 386 Comment
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Sep 4 2018
  SD162763  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riveside: N side of Latham St. ca. 1/8 mile W of intersection with Keats Drive 245 Comment
  UCR139983  Atriplex serenana var. serenana A. C. Sanders 2004-8-10 28772 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR110401  Atriplex suberecta A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23184 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR121330  Avena fatua A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24989 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  UC218677  Azolla filiculoides P. A. Munz 1922-4-29 5109 Riverside Lancaster Valley, S of Hemet 457 Comment
  CAS-BOT-BC502093  Baccharis brachyphylla A. C. Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mtns Aerial Gunnery Range, 2.25 mi E of Gasline Rd 646 Comment
  UCR59705  Baccharis brachyphylla A. C. Sanders 1989-9-19 9503 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  RSA736238  Baccharis emoryi Scott D. White, Jonathan Campbell 2008-4-18 11900 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area. 274 Comment
  CAS-BOT-BC106736  Baccharis salicifolia Scott D. White 1996-4-14 3904 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  CAS-BOT-BC106743  Baccharis salicifolia Robinson; Crocker 1916-4-3 s.n. Riverside Elsinore REgion Comment
  SD144065  Baccharis salicina A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15819 Riverside San Bernardino Mountains: Whitewater Cyn, 2 mi below trout farm, above Bonnie Bell. 550 Comment
  UC63375  Baccharis sergiloides H. M. Hall 1901-5-1 1866 Riverside borders of Colorado Desert San Jacinto Mountains, Colorado Desert Comment
  UCR26076  Bahia dissecta John C. Roos 1946-8-27 2923 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  CAS-BOT-BC295899  Bahiopsis parishii Annie M. Alexander; Louise Kellogg 1941-5-18 2196 Riverside Eagle Mountains 1021 Comment
  CAS-BOT-BC99963  Baileya pauciradiata N. Aitkenhead 1977-2-4 2288 Riverside near sand dunes N. of Mule Mountains Comment
  SD28022  Baileya pleniradiata Carl B. Wolf 1932-4-27 3026 Riverside Mecca-Blythe Road; 3/4 miles west of Utopia. 149 Comment
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Dec 11 2011
  RSA597464  Bebbia juncea L. C. Wheeler 1959-12-27 7637 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SEINET2047507 Image available Bebbia juncea Grace Sprague 1968-5-3 Riverside White Water Canyon Wash Comment
  UCR128941  Bebbia juncea Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR140720  Bebbia juncea A. C. Sanders 2004-5-12 27891 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR9411  Bellis perennis O. F. Clarke 1970-2-13 s.n. Riverside San Bernardino Valley, At the reservoir on East University Ave., Riverside 366 Comment
  CLARK-A1528-2274  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 487 Comment
  RSA5371  Bernardia incana B. D. Stark 1932-6-17 3750 Riverside Canyon above Cottonwood Springs. Eagle Mountains, Colorado Desert. Upper edge of lower Sonoran. Comment
  CLARK-A1528-1654  Bidens pilosa John C. Roos 1965-8-18 Riverside Corona Comment
  UCR17050  Bloomeria crocea var. crocea D. H. Wilken 1965-6-29 360 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  RSA34558  Boechera californica N. C. Cooper 1944-6-16 1427 Riverside San Jacinto Mountains, west side. 1372 Comment
  RSA680521  Boechera californica Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8632 -B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  JOTR33782  Boechera dispar La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2933 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit Comment
  RSA462666  Boerhavia coccinea C. M. Dammers 1929-10-6 s.n. Riverside Cottonwood Springs. Comment
  UCR35204  Boerhavia intermedia L. B. Ziegler 1964-9-2 30 Riverside San Jacinto Mountains, Dos Palmas Spring 1280 Comment
  JOTR30685  Boerhavia triquetra Andre, Jim, Tasha La Doux 2008-9-13 10273 Riverside Joshua Tree National Park. Eagle Mountains at Joshua Tree National Park boundary, lower slopes of south end of Eagle Mtns., along aqueduct access road. 354 Comment
  RSA38714  Boerhavia triquetra P. A. Munz 1946-10-21 11589 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  UCR215596  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 348 Riverside Mojave Desert, Joshua Tree National Park, northeast end of Splitrock Picnic Area 1327 Comment
  UCD170134  Boerhavia wrightii A. C. Sanders; T. B. Salvato 2000-4-21 23350 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal. 15 Comment
  RSA793608  Bouteloua aristidoides Duncan S. Bell, Aaron Sedgwick 2012-9-13 4205 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal;, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  JOTR29253  Bouteloua barbata var. barbata La Doux, Tasha 2005-8-17 1534 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  JOTR35383  Bouteloua barbata var. barbata Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 171 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  UCR100325  Bouteloua barbata var. barbata George K. Helmkamp 1997-11-1 2512 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  JOTR29522  Bouteloua curtipendula La Doux, Tasha, Mike Bell 2006-9-6 1580 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam Comment
  UCR23973  Bouteloua curtipendula John C. Roos 1946-8-27 2786 Riverside Santa Rosa Mountains, Pines to Palms Road[Vandeventer Flats], near Pinyon Flats 1372 Comment
  UC1537149  Bowlesia incana Gordon H. True Jr. 1935-4-9 226 Riverside Box Springs 365 Comment
  UCR137044  Bowlesia incana A. C. Sanders 2004-5-5 27771 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
  UCR234284  Bowlesia incana A. C. Sanders, John F. Green 2012-4-6 40012 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  RSA674966  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA678938  Brachypodium distachyon Scott D. White, Michael Honer 2003-6-3 9481 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  JEPS42502  Brandegea bigelovii W. L. Jepson 1928-4-25 12593 Riverside Colorado Desert, Cottonwood Mountains, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Mts, Cottonwood Spring 731 Comment
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Oct 9 2010
  RSA55094  Brandegea bigelovii R. H. Peebles 1930-4-6 121 Riverside Shavers Well. Comment
  RSA708487  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  RSA0017413  Brandegea bigelovii Marcus E. Jones 1931-9-15 s.n. Riverside Hayfields. No. Colorado Desert. Comment
  UCR96869  Brassica geniculata Scott D. White 1993-3-12 1173 Riverside Near Winchester 466 Comment
  SEINET10481266  Brassica incana David B. Dunn 1948-6-18 Dunn 3834 Riverside Planted along hwy near Cabazon. Along roadside. Comment
  RSA34565  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mtns. West side. 1372 Comment
  UCR104627  Brassica kaber D. E. Bramlet 1996-5-4 2466 Riverside San Jacinto Valley, San Jacinto Wildlife Area, at the entrance to Marsh A, approximately 15 m from the southern levee of Pond No. 1, approximately 1.5 km NE of the reserve entrance at Davis Road 433 Comment
  UCD114638  Brassica tournefortii Robert F. Thorne; Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54032 Riverside San Bernardino Mts: S and E-facing at mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 414 Comment
  UCR214126  Brassica tournefortii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37733 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  RSA770437  Brickellia atractyloides var. arguta Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4569 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA544398  Brickellia oblongifolia var. linifolia Steve Boyd 1991-6-8 6325 Riverside San jacinto Mts, Pinyon FLats area at jtn of Santa Rosa Mtn. Rd. and Hwy 74. 1400 Comment
  RSA740623  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2008-7-8 12377 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA757461  Brodiaea terrestris subsp. kernensis Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55203 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UC1871317  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  UC50578  Bromus berteroanus Dr. A. Davidson Riverside Banning Comment
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Mar 21 2011
  CAS-BOT-BC156281  Bromus catharticus John Thomas Howell 1960-3-24 35147 Riverside Hemet. Comment
  UCD58353  Bromus catharticus Fred M. Reed 1907-2-12 1205 Riverside Riverside, Arroyo Terquisite. Bluffs Ranch. Comment
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Mar 12 2011
  RSA522269  Bromus diandrus Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3515 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  UC37683  Bromus hallii H. M. Hall July 1901 2538 Riverside San Jacinto Mountains, West Fork Snow Creek West Fork Snow Creek; San Jacinto Mountains, West Fork Snow Creek 1524 Comment
  UCR180345  Bromus hordeaceus Scott D. White, Angelia Carey 2004-4-5 10026 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UC1537242  Bromus madritensis subsp. rubens Gordon H. True Jr. 1935-3-11 107 Riverside Sycamore Canyon, Box Springs Box Springs; Sycamore Canyon, Box Springs 365 Comment
  CAS-BOT-BC161813  Bromus rubens Miles Fellows 1982-3-16 s.n. Riverside At the base of the north facing hillside 30 yards west of the entrance to the University of California RIverside Botanic Garden. Comment
  RSA652809  Bromus rubens Colleen Callan 1992-4-25 20 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1249 Comment
  UCR2252  Bromus tectorum F. M. Reed 1933-5-31 7923 Riverside Santa Rosa Mtns., Santa Rosa Indian Reservation, near the bridge on the Palms to Pines Road [Vandeventer Flats] 823 Comment
  SD51958  Bromus tectorum var. glabratus Reid Moran 1962-7-7 9860 Riverside Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UCR2259  Bromus trinii F. M. Reed 1907-6-16 1471 Riverside South Coast; San Bernardino Valley, Riverside, upper south fork of Arroyo Tequesquite 457 Comment
  UC128445  Caesalpinia virgata Marcus E. Jones, A. M. 1906-4-27 Riverside Indio Comment
  UC520279  Caesalpinia virgata N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Oasis 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
  UCR233546  Caesalpinia virgata Jim Andre, Glenn L. Clifton 2011-2-22 17417 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  JEPS52588  Calandrinia ambigua W. L. Jepson 1927-4-13 11688 Riverside Painted Canyon Mecca Hills (mouth) 45 Comment
  RSA359873  Calandrinia ciliata Steve Boyd 1986-4-2 1607 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC56761  Calandrinia ciliata H. M. Hall April, 1902 2916 Riverside vicinity Winchester 304 Comment
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Mar 20 2011
  UCR121784  Calandrinia ciliata A. C. Sanders, Carolyn Washburn 2001-4-17 24033 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR123752  Calandrinia ciliata Steven R. Hill 2001-4-29 33523 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  UCSB16252  Calocedrus decurrens Gates, C. 1963-5-4 Riverside In Montane Forest, Banning to Idyllwild Road, about 2 mi. S of turnoff to Black Mountain Campground, San Jacinto Mountains 2133 Comment
  RSA262119  Calochortus albus E. W. Lathrop 1973-5-28 7501 Riverside Main Divide Truck Trail beween El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  PASA2570  Calochortus concolor J. Poole 1964-6-29 Riverside San Jacinto Comment
  RSA369037  Calochortus invenustus Robert L. Rutherford 1944-7-16 1609 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  UC3394  Calochortus invenustus H. M. Hall 1897-6-17 642 Riverside Strawberry Valley San Jacinto Mountains 1828 Comment
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Sep 2 2011
  RSA0000326  Calochortus palmeri var. munzii Philip A. Munz, Percy C. Everett 1950-6-23 14915 Riverside 2 mi. n.w. of Pipe Creek, south end of San Jacinto Mts. 1402 Comment
  RSA741060  Calochortus palmeri var. munzii Scott D. White, Justin M. Wood 2008-6-5 12067 Riverside Quinn Flat Meadow. 1372 Comment
  POM122634  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  UCR261691  Calochortus weedii var. weedii Dick Newell, Judy Booth 2014-6-22 380 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road 0.2 mi. NW of the Morgan Trailhead 872 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
  RSA0051770  Calycoseris wrightii A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mountains. 396 Comment
  UC7763  Calyptridium monospermum H. M. Hall July, 1901 2352 Riverside Tauquitz Valley; San Jacinto Mountains, Tauquitz Valley 2438 Comment
  UCR97460  Calystegia macrostegia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19887 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  SDSU12264  Calystegia macrostegia subsp. intermedia Jeremy Mass, Ryan Jacobsen 2000-4-19 10 Riverside Stone Creek streambed in shrub-covered area near water. Near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  UCR2851  Calystegia macrostegia subsp. longiloba Vivian Manns 1963-3-22 630322- 5 Riverside San Bernardino Valley Region, Riverside, Box Springs Mountains c. 1 mi E from end of Big Springs Road. 610 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
  CLARK-A1528-3317  Camissonia bistorta John C. Roos 1966-4-5 Riverside Winchester Comment
  POM272015  Camissonia bistorta Lyman Benson 1932-3-26 3170 Riverside Temecula Valley. 549 Comment
  RSA25611  Camissonia bistorta Carl B. Wolf 1941-6-29 4219 Riverside West side of Lake Elsinore. 366 Comment
  UCR214313  Camissonia bistorta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38406 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  POM14010  Camissonia boothii subsp. condensata P. A. Munz, D. Keck 1922-4-9 4747 Riverside Palm Springs. 76 Comment
  RSA9345  Camissonia boothii subsp. condensata Mary F. Spencer 1920-4-3 1445 Riverside Colorado Desert, Palm Springs, in desert sand. 122 Comment
  UCR148440  Camissonia brevipes John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA134912  Camissonia brevipes subsp. brevipes K. K. Muller 1958-3-22 916 Riverside Colorado Desert, desert floor, 7 miles E of Desert Center, Highway 60. Comment
  RSA466017  Camissonia brevipes subsp. brevipes N. C. Cooper 1949-4-8 3253 Riverside Palm Springs. 457 Comment
  RSA6087  Camissonia californica Carl B. Wolf 1932-5-25 3670 Riverside San Jacinto Mountains. 1/2 mile below Fish Hatchery, lower edge of upper Sonoran zone, Snow Creek, north base of mountains. 549 Comment
  UCR174119  Camissonia californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32608 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
  VVC330  Camissonia californica W. W. Mayhew 1960-3-17 s.n. Riverside Colorado Desert, 4.5 miles NW Desert Hot Springs. 482 Comment
  CLARK-A1528-3323  Camissonia chamaenerioides John C. Roos 1966-3-26 Riverside Chuckwalla Mountains Comment
  UCR144746  Camissonia claviformis Scott D. White 2001-4-18 8364 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  UCR60244  Camissonia claviformis R. F. Thorne, M. Z. Thorne 1973-3-30 42675 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  POM254323  Camissonia claviformis subsp. aurantiaca P. A. Munz 1940-3-24 15711 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA135226  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-23 11417 Riverside Sandy wash along United States Highway 99 [Hwy 10], 7.8 miles west of Thousand Palms turnoff. Comment
  RSA135283  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11746 Riverside Colorado Desert, US Highway 95, 8.6 miles N of Blythe. Comment
  RSA341998  Camissonia claviformis subsp. aurantiaca Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge. 1980-4-16 54118 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA727870  Camissonia claviformis subsp. claviformis Naomi S. Fraga, Lisa Rojas 2005-2-10 1352 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCD103281  Camissonia contorta C. L. Hitchcock; C. V. Muhlick 1962-3-16 22136 Riverside Temescal Canyon, 8 miles SE of Corona. Comment
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Jun 24 2020
  POM157903  Camissonia hirtella P. A. Munz 1927-5-20 10818 Riverside 10 miles south of Hemet. Comment
  UCR163340  Camissonia hirtella T. B. Salvato, Kelly Volansky 2003-3-27 133 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR121178  Camissonia ignota D. E. Bramlet 1990-4-27 1987 Riverside 1,000 ft. (~0.2 mi.) south of Crown Valley and 200 ft. west of access road 631 Comment
  POM157885  Camissonia intermedia P. A. Munz 1927-5-20 10797 Riverside Mud flat, Murrieta Hot Springs. Comment
  UCR228906  Camissonia micrantha A. C. Sanders 2011-4-7 39037 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR116814  Camissonia pallida A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23944 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR43031  Camissonia pallida D. C. Hawks 1986-4-16 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Hill, c. 1.5 mi. east of Whitewater 529 Comment
  POM10194  Camissonia pallida subsp. pallida P. A. Munz 1920-4-30 4495 Riverside Pinyon Wells, Little San Bernardino Mts. 1220 Comment
  RSA511315  Camissonia refracta A. C. Sanders 1988-5-11 7798 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 549 Comment
  SEINET242066  Camissonia strigulosa A. C. Sanders 2001-3-30 23862 Riverside Perris-Aguanga Basin Region: Temecula, Long Canyon W of Del Rey Rd., bottom of canyon W of junction of Av. Pina Colada 366 Comment
  SDSU3315  Camissoniopsis bistorta R. S. Luaw, T. Mosquin 1957-4-1 Riverside 11 mi. w. Riverside Comment
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Mar 28 2014
  SDSU3327  Camissoniopsis bistorta H. Wedberg 1958-3-30 188 Riverside Across stream from Hwy 74 and near garbage pit in Upper San Juan Campground, east of San Juan Capistrano. Comment
  UCD103434  Camissoniopsis bistorta A. C. Sanders; T. B. Salvato 2000-5-25 23428 Riverside Menifee Valley. S of Newport Rd., N of Holland Rd., and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCSB38661  Camissoniopsis micrantha Cowan, Clark 1978-4-25 Riverside Whittaker transect #W-229; 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts., Cleveland Nat. F. Comment
  CHSC26018  Camissoniopsis pallida subsp. pallida Dieter H. Wilken 1965-6-29 302 Riverside Along County Route 1, about 3 miles south of Banning, San Jacinto Mtns. 914 Comment
  JOTR34272  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3288 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  SDSU3397  Camissoniopsis pallida subsp. pallida H. Wedberg 1957-3-23 5804 Riverside Bottom of grade on Palms [to Pines Rd.] Comment
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Jan 24 2013
  RSA495456  Capsella bursa-pastoris Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2984 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR250320  Cardamine hirsuta A. C. Sanders 2014-4-16 41014 Riverside Peninsular Range, Temescal Valley, Campbell Ranch Rd. between Indian Truck Trail and Temescal Canyon Rd., across from intersection with Soapberry Rd. 345 Comment
  RSA19225  Carex barbarae H. A. Zuill 1966-6-5 201 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  SEINET7556721 Image available Carex densa A. C. Sanders 2004-4-20 27567 Riverside Santa Ana Mtns: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. Fallbrook 7.5' Q. 640 Comment
  POM1480  Carex praegracilis I. M. Johnston 1918-5-30 s.n. Riverside Temescal. 305 Comment
  RSA740952  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-19 12259 Riverside Meadows at Baldy Mtn. 1585 Comment
  RSA750736  Carex praegracilis Scott D. White, Justin M. Wood 2009-5-22 12901 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  POM7120  Carex senta Phillip A. Munz, L. T. Street 1919-5-7 2726 Riverside Tahquitz Canyon, San Jacinto Mountains 244 Comment
  UCR161454  Carthamus tinctorius Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., between Hwy 243 and Pine Cove, at edge of Dutch Flat Meadow 1799 Comment
  RSA703538  Carthamus tinctorius R. E. Riefner Jr. 2004-4-27 04 -144 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  UCR116399  Castilleja affinis S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  JEPS8558  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-1 3595 Riverside 12 mi w Aguanga (along State Highway 71, se end of Pauba Valley); Pauba Valley 426 Comment
  RSA6018  Castilleja applegatei subsp. martinii Carl B. Wolf 1932-8-5 3935 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  SEINET269560 Image available Castilleja foliolosa Scott D. White 1996-5-27 4073 Riverside Jackrabbit Canyon: east of Moreno Valley and south of Calimesa between State highway 60 and gilman Spring Road West and 518 Comment
  UCSB9374  Castilleja foliolosa Lloyd, Robert 1959-4-17 Riverside Santa Ana Mt Range; 4 1/4 mi S of W Corona; on the Oak Flats Fire Road 426 Comment
  UCR24918  Castilleja minor subsp. spiralis A. C. Sanders 1980-7-18 1662 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCD170484  Catalpa bignonioides Mitch Provance; J. George, M. K. Beyers, J. Hazlett 2017-6-6 617- 19 Riverside Temescal Valley: Property on N side of Concordia Ranch Rd. and Temescal Canyon Road, proposed site for SCE substation. 366 Comment
  UCR22079  Caucalis microcarpa Steve Boyd 1980-5-3 193 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA531107  Caulanthus cooperi M. B. Dunkle 1937-3-25 4956 Riverside East of Indio, Colorado Desert. Comment
  UCR19451  Caulanthus cooperi Carl Epling, Harlan Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, 3 miles north of Cottonwood Spring 945 Comment
  UCD114538  Caulanthus heterophyllus Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range: Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek. 854 Comment
  UCR196368  Caulanthus lasiophyllus Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  RSA0043378  Caulanthus major John F. Emmel 1996-6-16 1410 Riverside San Jacinto Mts.; Spitler Peak Trail, 0.0-0.1 air mile south and 0.4-0.5 air mile east of Cartridge Spring. 1767 Comment
  CAS-BOT-BC48499  Ceanothus crassifolius A. C. Sanders 1998-1-15 21629 Riverside Lake Skinner area: Black Mtn., along road up north side (Bachelor Mtn. 7.5' Q. 883 Comment
  RSA585624  Ceanothus crassifolius D. L. Banks, S. D. Boyd 1995-3-15 59 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 680 Comment
  RSA606772  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27356 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SBBG112850  Ceanothus crassifolius var. crassifolius C. Bornstein, E. Collins 1992-4-13 Riverside St Hwy 74, near summit 762 Comment
  SDSU13698  Ceanothus crassifolius var. crassifolius James C. Dice with George Diggs 1987-12-7 763 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station). overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of Section 26. 341 Comment
  POM146233  Ceanothus cuneatus J. B. Feudge 1925-3-15 1707 Riverside near Gilman Relief Hot Springs 610 Comment
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Mar 13 2011
  RSA59194  Ceanothus greggii var. perplexans Frank W. Gould 1943-4-18 2138 Riverside Riverside County Park east of Idylewild Comment
  RSA748220  Ceanothus greggii var. perplexans T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 111 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  CAS-BOT-BC51278  Ceanothus leucodermis Peter H. Raven 1959-5-17 14230 Riverside Lake Fulmor, San Jacinto Mountains Comment
  GMDRC6557  Ceanothus leucodermis J. M. Andre 2012-6-15 30511 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
  RSA713784  Ceanothus leucodermis A. C. Sanders, Mike Misenhelter 2005-3-23 29263 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SD186314  Ceanothus leucodermis Andy C. Sanders, Mike Misenhelter 2005-3-23 29263 Riverside Santa Ana Mtns.: Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SD7233  Ceanothus leucodermis Daniel Cleveland May 1882 Riverside Temecula Comment
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Mar 27 2011
  UC1861762  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCD162843  Ceanothus leucodermis D. O. Burge 2015-3-17 1693 Riverside Rainbow area. 410 Comment
  UCD112284  Ceanothus ophiochilus Steve Boyd; Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mi. W of lake. 609 Comment
  RSA221003  Ceanothus palmeri E. W. Lathrop 1966-5-29 6399 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UC1073273  Ceanothus spinosus George B. Rossbach 1955-4-28 345 Riverside Route 78 se Banning (San Jacinto Mountains, just s of n boundary of San Bernardino National Forest); s of n boundary San Bernardino Nat For, San Jacinto Mts. Comment
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Jun 9 2012
  CDA31194  Ceanothus tomentosus Mike Lahti 2010-3-3 PDR# 1358656 Riverside Approximately, 8 miles south of Hemet at Sage Road and Red Mountain Road. 0 Comment
  RSA552723  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6765 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  UCR124660  Celtis reticulata B. C. Templeton 1954-11-3 s.n. Riverside San Bernardino Mountains, canyon north of Banning [prob. end of 16th St., Gilman Ranch] 915 Comment
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Mar 13 2011
  RSA519241  Centaurea melitensis Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  CLARK-A1045-865  Centaurium venustum George K. Helmkamp 1978-6-1 #2 Riverside Santa Ana Mountains off of De Luz Road near [southeast of] Mesa de Burro; ; Murrieta 7.5'Q 487 Comment
  RSA356643  Centaurium venustum Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47297 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  UCR130713  Centaurium venustum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4079 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  SD239576  Centromadia pungens subsp. laevis Karyn L. Drennen 2010-6-10 11 Riverside Santa Anna Mountains foothills: Murrieta Creeek, 320 m southeast of Clinton Keith Road bridge. 363 Comment
  SD262184  Centromadia pungens subsp. laevis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 18 Riverside Elsinore Trough: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- 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
  SD211550  Centromadia pungens subsp. pungens Scott D. White 2008-8-20 12535 Riverside Perris Basin: City of Moreno Valley, Perris Boulevard between Krameris and Oleander Streets. (Perrs, Sunnymead) 445 Comment
  JOTR00987  Centrostegia thurberi Cole, James E. 1941-5-17 711 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1280 Comment
  UCR127529  Cerastium glomeratum A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16035 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  CSUSB1617  Cercidium floridum Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  RSA405368  Cercidium floridum R. S. Woglum 1937-4-24 297 A Riverside Palm Springs. Comment
  RSA637524  Cercidium floridum Scott D. White 1998-9-1 7099 Riverside East end of Coachella Valley: Bajada between Little San Bernardino Mts. and Indio Hills. Comment
  UCR154449  Chaenactis artemisiifolia A. C. Sanders, Mike Misenhelter 2005-6-15 30960 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
  UCR213535  Chaenactis artemisiifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37805 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  CAS-BOT-BC276380  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA271141  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, John Dourley, Walter Wisura 1977-5-19 1326 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  UCR72459  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-15 91- 42 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  JOTR33977  Chaenactis fremontii La Doux, Tasha, M. Harding 2010-4-7 2865 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  LA212022  Chaenactis fremontii Deidre Conocchioli; Duncan Bell 2014-3-4 142 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695.0 Comment
  OBI8303  Chaenactis fremontii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12067 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd, 5.5 mi N of Cottonwood campgrounds Comment
  RSA278978  Chaenactis fremontii B. A. Prigge 1978-3-23 2416 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA775446  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4448 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
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Aug 25 2012
  SFV11877  Chaenactis fremontii R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UC1119693  Chaenactis fremontii H. S. Yates 1937-3-23 6417 Riverside near White Water; San Jacinto 304 Comment
  UC1518618  Chaenactis fremontii Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55440 Riverside e of, at s end of ridge Whitewater Post Office (e of bridge, and on base of w-facing slope of ridge); San Bernardino Mts., Mouth of Whitewater Canyon 411 Comment
  UCR4207  Chaenactis fremontii K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  UCR174246  Chaenactis glabriuscula A. C. Sanders, T. B. Salvato 2006-6-2 33072 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-BC277402  Chaenactis glabriuscula var. glabriuscula Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CAS-BOT-BC277408  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside Bachelor Mtns.: lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  RSA583749  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1995-4-24 8482 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  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
  UCR136001  Chaenactis glabriuscula var. glabriuscula 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
  RSA97129  Chaenactis glabriuscula var. glabriuscula Philip A. Munz 1925-5-20 9826 Riverside 2 miles W of Dripping Spring. 427 Comment
  CAS-BOT-BC100676  Chaenactis parishii Peter H. Raven 1959-5-18 14247 Riverside 0.9 miles south of Mountain Center on road to Aguanga, San Jacinto Mountains Comment
  JEPS30505  Chaenactis parishii Donald W. Kyhos 1958-5-16 58 -183 Riverside 1.85 mi up road toward Mount Santa Rosa; San Jacinto Mountains, Mount Santa Rosa Comment
  RSA396458  Chaenactis parishii Walter Wisura 1987-6-19 4165 Riverside 3.9 miles from Hwy 74 along, Thomas Mountain Rd., S of Lake Hemet; San Jacinto Mtns. Comment
  JEPS8902  Chaenactis xantiana Marjorie D. Clary 1932-5-26 1652 Riverside Pleasant Valley Colorado Desert, , Hexie Mt. 1066 Comment
  JOTR32637  Chamaesyce albomarginata La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2559 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  JOTR01096  Chamaesyce albomarginata Cole, James E. 1941-4-16 603 Riverside Joshua Tree National Park. COTTONWOOD PASS Comment
  RSA605238  Chamaesyce maculata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16040 Riverside Coachella Valley: Indio, just SW of the Whitewater River Channel at Auto Center Dr. (Hwy 111). -8 Comment
  POM188401  Chamaesyce micromera Marcus E. Jones 1925-9-7 s.n. Riverside Palm Springs Comment
  SEINET3365548  Chamaesyce micromera G. Rink 2011-9-25 11075 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  SBBG4028  Chamaesyce polycarpa H. and M. Dearing 1941-11-23 4774 Riverside near Cathedral City Comment
  UC489210  Chamaesyce serpillifolia subsp. hirtula C. V. Meyer 1928-7-30 587 Riverside Saunders Meadow San Jacinto Mountains 1676 Comment
  RSA134876  Chamaesyce setiloba L. S. Rose 1959-1-12 59011 Riverside Cathedral City 122 Comment
  POM97006  Cheilanthes newberryi Philip A. Munz 1926-5-2 10428 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  CAS-BOT-BC68096  Cheilanthes parryi Elizabeth Parsons Hawver 1917-4-1 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC70332  Cheilanthes parryi Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon, 4 miles east of Palm Springs Comment
  CAS-BOT-BC70338  Cheilanthes parryi Barbara Shervanick 1973-2-18 652 Riverside Palm Springs, end of Raquet Club Road, about 1/2 mile from Aerial Tramway, San Jacinto Mts., Salton Sea, Colorado Desert 365 Comment
  UC1063595  Cheilanthes parryi H. S. Yates 1937-3-24 6453 Riverside Deep Canyon; Thermal Quadrangle Comment
  UCR158234  Chenopodium Scott D. White, Michael A. Patten 1992-6-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Interstate Hwy 10/Cook Street interchange near Palm Desert 55 Comment
  UCR114094  Chenopodium album A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16076 A Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  UCR139622  Chenopodium berlandieri A. C. Sanders 2004-7-1 28377 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  UCR167303  Chenopodium botrys Scott D. White, Jennifer H. Jones 2005-5-24 11093 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  RSA516754  Chenopodium californicum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR97682  Chenopodium californicum A. C. Sanders, G. Helmkamp 1997-3-15 19963 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  SD129245  Chenopodium fremontii G. K. Helmkamp 1989-10-7 79 Riverside San Jacinto Mountains. Depression beside Hwy 243 near Lawlor Lodge, about 2 miles N of Pine Cove. 1600 Comment
  UCR132954  Chenopodium glaucum subsp. glaucum A. C. Sanders 2001-11-25 24888 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60 503 Comment
  UCR25083  Chenopodium incognitum A. C. Sanders 1980-7-18 1638 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  POM319737  Chenopodium macrospermum var. farinosum Patricia Wilder 1970-10-15 4760 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  SD122872  Chenopodium murale Steve Boyd 1985-7-23 1012 Riverside De Luz Rd., 7.6 mi. west of Rancho California. Roadsideweed in damp soil where Sandia Creek crosses road. 334 Comment
  SD185187  Chenopodium murale T. B. Salvato, Melissa Clemons 2005-6-23 1318 Riverside Temescal Valley, 3.0 miles northwest of Alberhill, Temescal Canyon Road at Corona Lake. 353 Comment
  UCR71614  Chenopodium rubrum A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11741 Riverside Santa Ana River Valley, Rubidoux, Santa Ana River Regional Park, c. 0.3 mi SE of Louis Rubidoux Nature Center Comment
  CLARK-A1656-889  Chilopsis linearis Jim Cornett 1977-6-25 Riverside Desert Hot Springs 411 Comment
  SEINET12267883  Chilopsis linearis Unknown 1936-1 12874 Riverside Colorado Desert N of Palm Springs Comment
  RSA0087834  Chilopsis linearis subsp. arcuata Sarah J. De Groot, Duncan S. Bell 2015-5-14 7373 Riverside White Water, along Pacific Crest Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome. Southeast side of San Bernardino Mountains. 768 Comment
  POM11886  Chimaphila umbellata subsp. occidentalis P. A. Munz 1922-9-6 6387 Riverside North fork of Tahquitz Creek; San Jacinto Mts. 2210 Comment
  UC2031354  Chloracantha spinosa Duncan S. Bell 2013-10-29 6089 Riverside Colorado Desert, Chocolate-Chuckwalla Mountains:Hayfields Dry Lake, N of Interstate10, about 1 mile SW of the pumping station. Comment
  UCR207970  Chloris virgata C. B. Wolf 1932-4-28 3071 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 20 miles west of Blythe on Mecca road 122 Comment
  UCR167413  Chorizanthe brevicornu John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  CAS-BOT-BC191710  Chorizanthe brevicornu var. brevicornu Ivan Johnston 1917-4-4 1105 Riverside near Palm Springs. Colorado Desert Comment
  JOTR16806  Chorizanthe brevicornu var. brevicornu Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  JOTR38688  Chorizanthe brevicornu var. brevicornu Hodges, Stephen R. 2017-2-7 704 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  POM122109  Chorizanthe brevicornu var. brevicornu Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UC849185  Chorizanthe brevicornu var. brevicornu I. W. Clokey 1935-4-17 6595 Riverside Cottonwood Springs Comment
  JEPS57633  Chorizanthe corrugata W. L. Jepson 1927-4-14 11702 Riverside Silent Canyon or foothills Santa Rosa Mountains; foothills Santa Rosa Mountains or Silent Canyon 304 Comment
  CLARK-A1528-3599  Chorizanthe fimbriata John C. Roos 1937-4-23 1807 Riverside White Water Comment
  UC217989  Chorizanthe fimbriata var. fimbriata P. A. Munz, I. M. Johnston 1922-5-18 5318 Riverside 3 mi e Murietta; e of Murietta 457 Comment
  CAS-BOT-BC191308  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside below Anza Tablet at head of Coyote Canyon, SW Riverisde county 1005 Comment
  UCR35076  Chorizanthe fimbriata var. laciniata L. B. Ziegler 1967-8-22 220 Riverside Santa Rosa Mtns., Terwilliger Valley and Tule Canyon 1250 Comment
  RSA784655  Chorizanthe leptotheca Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 60 Riverside Temescal Canyon road, exit Indian Truck Trail from Hwy 5, southern coast of Corona lake, dry flood-plain. Comment
  UCR155051  Chorizanthe leptotheca Jason L. Hlebakos 2005-5-30 826 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  JEPS100434  Chorizanthe parryi var. parryi Dean W. Taylor 2003-5-6 18526 Riverside 1.15 mi NNE of Cabazon, along access road paralleling powerlines 640 Comment
  RSA735987  Chorizanthe parryi var. parryi Scott D. White, Justin M. Wood 2008-5-27 12037 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  UCR165875  Chorizanthe parryi var. parryi A. C. Sanders 2005-4-21 29568 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 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
  UCR15523  Chorizanthe polygonoides var. longispina George K. Helmkamp 1978-6-1 s.n. Riverside Santa Rosa Plateau, roadside, 7 miles [west] ot Murrieta Comment
  UCR251300  Chorizanthe polygonoides var. longispina T. B. Salvato, Mike Landers 2013-3-21 7414 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  JOTR35040  Chorizanthe rigida La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3493 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA747801  Chorizanthe rigida Justin M. Wood 2009-3-26 397 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA543899  Chorizanthe staticoides Steve Boyd 1991-5-20 6270 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  UCR59224  Chorizanthe staticoides Ed LaRue 1989-5-3 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon 488 Comment
  RSA0097129  Chorizanthe xanti var. leucotheca Marc A. Baker 2015-7-9 18402 Riverside San Gorgonio Pass, 32 km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4 km ENE of Banning. 638 Comment
  RSA781915  Chrysothamnus paniculatus Duncan S. Bell 2010-5-1 895 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
  POM295631  Chrysothamnus teretifolius Lyman Benson 1952-12-29 15087 Riverside White Tanks, Joshua Tree National Monument, 915 Comment
  UCD103716  Chylismia brevipes LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1408 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  SD125547  Chylismia brevipes subsp. brevipes Steven A. Junak 1983-3-24 1658 Riverside North side of Highway 10, 6.9 miles west of Pinto Basin Road. 427 Comment
  SD260086  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct. 127 Comment
  UCD103846  Chylismia claviformis Robert C. Bechtel 1952-3-28 32 Riverside Whitewater. 152 Comment
  UCSB4422  Chylismia claviformis Gill, Robert 1960-3-23 Riverside about 1 mi up Snow Canyon from road to Palm Springs; San Jacinto Mt Range 396 Comment
  UC1184373  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11752 Riverside along US Hwy 95 37.5 mi n Blythe (near Colorado River) Comment
  CAS-BOT-BC162782  Chylismia claviformis subsp. claviformis N. Aitkenhead 1977-2-2 60062 A Riverside ~1 mile from junction of J.T. Mon. Rd. & pipeline. Comment
  RSA0121003  Chylismia claviformis subsp. claviformis Duncan S. Bell, LeRoy Gross 2016-3-8 8830 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  CSUSB1160  Cicuta douglasii M. Peterson 1972-7-16 31 Riverside Idyllwild 1523 Comment
  UCR117809  Cirsium occidentale var. occidentale Mitch Provance 1998-6-11 683 A Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  RSA501025  Cistanthe monandra Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3146 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  RSA0013348  Cistanthe monandra C. P. Cowan 1978-4-23 1181 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR80800  Clarkia dudleyana Scott D. White 1993-5-29 1453 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UCD104882  Clarkia purpurea T. B. Salvato; Kent Beaman 2005-5-16 765 Riverside San Jacinto Mtn. foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy. 74. 549 Comment
  UCR162841  Claytonia parviflora S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA543184  Clematis pauciflora Steve Boyd 1991-3-17 5495 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SEINET10761574  Cleome lutea J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12862 Riverside Joshua Tree National Park; along road between Twenty-nine Palms and southern exit to I-10; ca 25 km north of Cottonwood Pass. 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
  UCR89597  Coleogyne ramosissima Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Lost Horse Valley, along Cal Riding and Hiking Trail, just east of Ryan Campground 1341 Comment
  UCR89571  Collinsia concolor E. N. Anderson 1994-4-20 s.n. Riverside Box Springs Mtns, Two Trees Canyon, above Cassina Spring Comment
  UCR171984  Collinsia heterophylla 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
  RSA353380  Colubrina californica A. C. Sanders 1986-3-3 6141 Riverside Corn Spring, Chuckawalla Mtns, wash below the spring and wash and rocky slopes to the south. 488 Comment
  RSA775412  Colubrina californica Duncan S. Bell, Mitzi Harding, Tasya Herskov 2011-4-10 2252 Riverside Joshua Tree National Park; Coxcomb Mountains; south section of the mountain range. 275 Comment
  UC1494254  Colubrina californica C. S. Jones 1979-3-27 41 Riverside in se-facing canyon about 300 yards from unnamed dirt road aprroximately 10 miles from I-10 (4 mi w of Desert Center) 426 Comment
  RSA544410  Conium maculatum Steve Boyd, Timothy S. Ross 1991-6-14 6378 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 Spings. Comment
  UCR120655  Convolvulus simulans D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1810 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR48519  Convolvulus simulans Steve Boyd 1986-5-1 1787 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA575927  Conyza coulteri Steve Boyd 1994-9-29 8367 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR58305  Cordylanthus rigidus George K. Helmkamp 1989-10-7 s.n. Riverside San Bernardino Mtns., N edge of the fish hatchery in Whitewater Canyon, north of I-10 700 Comment
  POM9789  Cordylanthus rigidus subsp. setiger E. C. Jaeger 1921-11-15 254 Riverside Tanks, 1 mile east of Keyes Ranch. Comment
  UC1608247  Coreopsis californica var. californica Steve Boyd, Tim Ross, and Orlando Mistretta 1992-2-26 6701 Riverside on broad sandy bench near coordinates given Santa Ana Mountains, San Mateo Cyn. Wilderness Area (San Mateo Cyn from Fisherman's Camp downstream to confluence with Bluewater Cyn. T7S R5W sec.28-29) 304 Comment
  RSA450483  Corethrogyne filaginifolia J. C. Roos 1965-8-19 s.n. Riverside Beaumont. Comment
  UCSB4670  Cornus sericea DeWitt, Jack 1959-5-17 Riverside At Dark Canyon Camp grounds; near Idyllwild; San Jacinto Mtns. 1524 Comment
Read comments
Nov 5 2018
  CAS-BOT-BC427596  Crassula aquatica P. A. Munz 1941-5-18 17069 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 853 Comment
  UCR266333  Crassula aquatica D. E. Bramlet 1992-4-15 2230 Riverside Perris-Aguanga Basin Region, west of Hemet, west of Warren Rd. 457 Comment
  CAS-BOT-BC224913  Crassula connata A. C. Sanders 2011-4-6 38993 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR174348  Crassula connata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32487 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
  UCR96814  Crassula connata Scott D. White 1993-3-12 1179 Riverside Near Winchester 466 Comment
  RSA770782  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4604 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG126041  Croton californicus J. M. Wood with D. M. Ray 2010-10-21 3024 Riverside Chuckwalla Valley 8 kilometers SW of Coxcomb Mtns and 3.5 kilometers E of Kaiser Rd 198 Comment
  UCR109479  Croton californicus A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19651 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  UCSB7616  Croton californicus Ullman, Sydney 1956-4-14 Riverside Town of Whitewater Comment
  SEINET12141354  Croton californicus J. F. Bright, Wyman, C. 1933-1 8058 Riverside near Palm Springs Comment
  UCR273491  Croton setiger A. C. Sanders, Glen Morrison 2016-8-4 42613 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Redonda Mesa, near radio/cellphone tower & prominent abandoned microwave tower 855 Comment
  CSUSB1174  Cryptantha angustifolia W. W. Mayhew 1959-2-3 S. N. Riverside 10 miles east of desert center. Comment
  JEPS22569  Cryptantha angustifolia Rimo Bacigalupi with Paul Hutchison 1958-2-19 6200 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  OBI53701  Cryptantha angustifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2143 Riverside N end of Palen Mts, 2 mi W of Palen Pass 300 Comment
  POM368198  Cryptantha angustifolia D. A. Young 1969-3-28 342 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  RSA27462  Cryptantha angustifolia I. L. Wiggins 1941-3-24 9562 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  RSA780959  Cryptantha angustifolia Stephanie Rockwood, Christi Gabriel 2011-12-14 218 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  UC551815  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10623 Riverside Thousand Palms Canyon 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
  UCR148856  Cryptantha angustifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR52025  Cryptantha angustifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2181 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  POM368281  Cryptantha barbigera Christopher Davidson 1979-4-4 7713 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  POM46804  Cryptantha barbigera Mary F. Spencer 1920-4-2 1518 Riverside Tahquitz Canyon 213 Comment
Read comments
Nov 19 2011
  RSA234106  Cryptantha barbigera R. F. Thorne, R. Carolin 1967-3-21 41636 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  UCSB52571  Cryptantha barbigera Cowan, Clark 1978-4-23 Riverside Above San Jacinto tramway parking lot, Chino Canyon; Whittaker transect #W-217 570 Comment
  SDSU18686  Cryptantha barbigera var. barbigera Kristen Hasenstab, M. G. Simpson 2008-4-1 51 Riverside Joshua Tree National Park. 500 ft from Cottonwood Springs campground. 928 Comment
  UCR243166  Cryptantha barbigera var. fergusoniae LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4328 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  SD186129  Cryptantha corollata A. C. Sanders, T. B. Salvato and Mitch Provance 2003-4-4 25853 Riverside Jurupa Mountains, hill southwest of the Jensen Quarry, northwest of Sunnyslope. 366 Comment
  UCR174946  Cryptantha decipiens Jennifer H. Jones, Toby Bartels 2006-4-23 276 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  SEINET3004978  Cryptantha dumetorum G. Rink, M. Baker 2011-4-1 10404 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  UCR85239  Cryptantha dumetorum A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15999 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
  POM368276  Cryptantha intermedia B. C. Templeton, I. W. Clokey 1930-4-9 1023 Riverside Near Banning 500 Comment
  RSA709643  Cryptantha intermedia J. 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. 1372 Comment
  SDSU13341  Cryptantha intermedia C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, 'Insect Trail'. 1.5 miles NE of Gavalin Mtn. 305 Comment
  SDSU5389  Cryptantha intermedia H. Wedberg 1962-4-20 902 Riverside About 8 1/2 miles from Hemet, and 1/2 mile from Cranston Ranger Station on road to Mountain ceter and Idyllwild. 610 Comment
  SEINET7063222  Cryptantha intermedia A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UC1535401  Cryptantha intermedia A. C. Sanders and B. Pitzer 1986-4-30 6491 Riverside 1.7 mi above mouth of Bee Canyon (at the San Jacinto River valley, head of Bee Canyon along Bee Canyon Road); San Jacinto Mountains, San Jacinto River Valley, Bee Canyon 792 Comment
  UC164378  Cryptantha intermedia H. M. Hall 1901-6-1 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UC551831  Cryptantha intermedia F. R. Fosberg 1932-5-9 10637 Riverside near Hemet; St. John's Grade 770 Comment
  UCR122540  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 2001-5-20 6669 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR193983  Cryptantha intermedia A. C. Sanders 2008-7-25 35910 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  RSA0121002  Cryptantha maritima Duncan S. Bell, LeRoy Gross 2016-3-8 8831 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  RSA316876  Cryptantha maritima P. A. Munz, D. D. Keck 1922-4-9 4794 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 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
  SBBG104070  Cryptantha maritima A. C. Sanders, E. J. Lawlor 1992-4-4 12103 Riverside within 0.5 mi of McCoy Spring; alluvial slopes below and to the S and cyn bottom above the spring 243 Comment
  UCR72197  Cryptantha maritima Theo Glenn 1992-3-31 92 4 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCR52017  Cryptantha maritima var. maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2180 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  JEPS44382  Cryptantha micrantha Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4260 Riverside 1 mi se Toro Peak ridge; Santa Rosa Mts. 2286 Comment
  UC665774  Cryptantha micrantha Ira L. Wiggins 1941-3-24 9566 A Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  RSA0089245  Cryptantha micrantha subsp. lepida Steve D. Boyd, Gary D. Wallace 2005-7-30 11639 Riverside Peninsular Ranges; San Jacinto Mountains region: San Jacinto Mountains State Park, Hidden lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek. 2659 Comment
  RSA499652  Cryptantha micrantha var. lepida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR134590  Cryptantha micrantha var. micrantha Marisa Sripracha, Kyle Boyd 2004-2-14 006 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  UCR238085  Cryptantha micromeres Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2055 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  RSA679821  Cryptantha microstachys LeRoy Gross, Valerie Soza 2003-5-8 828 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UCR177829  Cryptantha microstachys 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 1098 Comment
  UCR162877  Cryptantha muricata T. B. Salvato, Kelly Volansky 2003-3-27 125 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  HSC3583  Cryptantha muricata var. jonesii C. L. Hitchcock 1966-3-15 24157 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  SD4237  Cryptantha muricata var. jonesii Fidella G. Woodcock 1928-4-27 Riverside San Jacinto Mountain: Idyllwild Comment
  UCR244862  Cryptantha pterocarya var. cycloptera Jim Andre 2012-3-19 21383 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  SD248154  Cryptantha pterocarya var. stenoloba J. M. Andre 2013-3-27 24800 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  RSA339324  Cryptantha utahensis R. F. Thorne, C. W. Tilforth 1980-5-28 54206 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
  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
  RSA394313  Cucurbita foetidissima Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains. 457 Comment
  RSA595914  Cucurbita foetidissima D. L. Banks, Lauren Raz 1996-11-5 1173 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  UCR241232  Cucurbita foetidissima Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 690 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon 1067 Comment
  RSA543156  Cucurbita palmata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6106 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
  RSA544323  Cucurbita palmata Steve Boyd 1991-9-8 6431 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  UCR181351  Cucurbita pepo R. E. Riefner Jr. 2005-9-19 05- 447 Riverside Peninsular Range, Temecula Valley, c. 0.1 mi. west of I-15 Freeway along Temecula River 280 Comment
  OBI33603  Cuscuta campestris J. C. Roos 1951-9-25 5254 Riverside W end Fairmont park, Riverside 259 Comment
  UCR207609  Cycloloma atriplicifolium O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  JEPS66873  Cylindropuntia bigelovii W. L. Jepson 1914-5-18 6033 Riverside n Indio; Colorado Desert, County Well 152 Comment
  RSA0098327  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-25 18288 .1 Riverside Orocopia Mountains, 2.4 km north of Red Canyon, 52 km east of Indio. 658 Comment
  SEINET2057202 Image available Cylindropuntia munzii A. C. Sanders, et al. 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd, 5.2 miles W of Graham Pass Rd, S side of the Chuckwalla Mountains. 640 Comment
  CAS-BOT-BC56745  Cylindropuntia ramosissima Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA544300  Cynodon dactylon Steve Boyd 1991-7-13 6419 -B Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  CAS-BOT-BC114543  Cyperus eragrostis Crawford; Johnston 1917-6-9 1256 Riverside Santa Ana River near Corona. Comment
  RSA770779  Cyperus eragrostis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4617 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR92356  Cyperus eragrostis Scott D. White, S. Ogg 1994-10-17 2475 Riverside Temecula Valley, Murrieta Creek, 2000 ft. south of Winchester Road bridge (Banana Avenue). 311 Comment
  UCR119436  Cyperus erythrorhizos A. C. Sanders, Mitch Provance 1999-9-26 23097 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  POM13748  Cyperus odoratus E. C. Jaeger 1921-07 1194 Riverside Soboba Hot Springs. Comment
  RSA628532  Cyperus parishii A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22234 Riverside San Bernardino Mountains: Morongo Indian Reservation, lower Millard Canyon. 841 Comment
  RSA667129  Cyrtomium falcatum A. C. Sanders, Steve Boyd 2000-11-30 23727 Riverside Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 366 Comment
  CAS-BOT-BC280861  Dactyloctenium aegyptium Brad Ballen 1984-11-22 s.n. Riverside North side of Avenue 48, 300 meters west of Hjorth Avenue, southwest of Indio Comment
  RSA0045573  Dalea californica Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs 138 Comment
  JEPS41648  Dalea mollis H. M. Hall Apr. 1905 5932 Riverside McCoy Wash Colorado Desert, McCoy Wash Comment
  RSA404175  Dalea mollis F. R. Fosberg 1932-3-13 8075 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA517838  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1468 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR182832  Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-25 5757 Riverside NE Riverside Co., Rice Valley, SE of Danby Dry Lake, south of Highway 62, along Midland (Blythe-Rice) Road, south of railroad crossing 234 Comment
  RSA776381  Dalea mollis Amber Swanson 2011-4-8 374 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SEINET3102116  Dalea mollissima Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17458 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  UCR138566  Dalea mollissima Steve Boyd, Orlando Mistretta 1986-3-13 1467 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR74374  Dalea mollissima Theo Glenn 1991-4-30 91- 70 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  CSUSB1284  Dalea schottii Rodney Hendrick 1965-3-14 Riverside From dry wash 3 miles east of Thousand Palm Oasis, on Thousand Palm Drive 182 Comment
  CLARK-A1528-472  Dalea spinosa Charlotte Stocks 1962-6-15 Riverside Indio Comment
  CAS-BOT-BC283038  Dasyochloa pulchella E. A. McGregor 1917-3-18 794 Riverside 5 mi. up Painted Canyon Comment
  SBBG128112  Datisca glomerata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49547 Riverside Ortega Hwy (74), ca. 3 mi SSW of El Cariso, near jct of Decker and Morrell Cyns; Santa Ana Mtns Comment
  CLARK-A1528-139  Daucus pusillus 1969-5-14 Riverside Box Springs Mountains 396 Comment
  CLARK-A1528-2434  Daucus pusillus David L. Davis 1962-4-20 131 Riverside Riverside 335 Comment
  CAS-BOT-BC294112  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside Vicinity of Riverside. Gavilan Hills s.e. of Riverside 365 Comment
  CAS-BOT-BC294118  Deinandra kelloggii Mary F. Spencer 1919-6-17 1192 Riverside In San Jacinto 304 Comment
  HSC87025  Deinandra kelloggii L. F. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of Hwy. 15 in Temescal Canyon, 1/4 mi. from the freeway Comment
  JEPS122468  Deinandra kelloggii J. M. Andre 2012-6-15 30542 Riverside San Jacinto Mountains; west slopes of range slong Poppet Flat Road, Poppet Creek Canyon, 3.2 miles west of Highway 243. Lake Fulmor 7.5' Q. Comment
  CAS-BOT-BC413816  Deinandra mohavensis R. E. Riefner, Jr. 2014-6-24 14 -193 Riverside City of Hemet, Santa Rosa Hills, Simpson Park, S ca. 0.15 mi from Rawlings Rd. and Margret [Margaret] Ln. 740 Comment
  RSA736380  Deinandra paniculata Scott D. White, Justin M. Wood 2008-5-1 11921 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UC1018509  Delphinium parishii Jim Warren 1952-4-26 Riverside Snow Creek Comment
  UCR123823  Delphinium parishii subsp. parishii Steven R. Hill 2001-5-3 33665 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR274310  Delphinium parryi Dick Newell, Judy Booth 2016-5-22 425 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 3/4 mile NW of Elsinore Peak 944 Comment
  RSA0020475  Delphinium parryi subsp. parryi Scott D. White, Justin M. Wood 2008-6-16 12145 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UC64114  Delphinium patens subsp. hepaticoideum H. M. Hall May 1899 1175 Riverside El Toro Mt. San Jacinto Mountains Comment
  RSA433552  Dendromecon rigida subsp. rigida N. C. Cooper 1944-7-15 1599 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  UCD63235  Deschampsia danthonioides var. gracilis Alan A. Beetle 1946-4-19 4697 Riverside Edgemont, 5 miles southeast of Riverside. Comment
  POM49465  Deschampsia elongata P. A. Munz, I. M. Johnston 1924-7-28 8802 Riverside Pine Flats, San Jacinto Mountains. 1707 Comment
  CAS-BOT-BC39735  Descurainia adenophora Edmund C. Jaeger 1921-6-14 s.n. Riverside MacMullen Trail, San Jacinto Mountains. 1280 Comment
  CLARK-A1656-708  Descurainia pinnata Theo Glenn 1979-2-11 Riverside San Jacinto Mountains 365 Comment
  UC1931130  Descurainia sophia Scott D. White, Justin Wood 2008-6-17 12161 Riverside San Jacinto Mountains: Garner Valley- Kenworthy Station (USFS) (Butterfly Peak) Comment
  RSA673478  Dicentra chrysantha Scott D. White, Tasha La Doux 2000-4-20 7680 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UC708739  Dichelostemma capitatum H. K. Wagnon 1944-3-19 375 Riverside s side Tahquitz Creek (in Tahquitz Canyon); Palm Springs, Tahquitz Canyon Comment
  JOTR32331  Dichelostemma capitatum subsp. pauciflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2453 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  CLARK-A1528-1523  Dichelostemma pulchellum John C. Roos 1952-2-29 5380 Riverside Pigeon Pass Comment
  SEINET10533954  Dichelostemma pulchellum Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-2 Boyd 4013 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn., along Hwy 79, E of USFWS Dripping Springs Guard Sta. T8S R1W SE 1/4 NW 1/4 sec. 23. 1600-2000 feet. Capparral and oak woodland vegetation burned by Mt. Palomar fire, 1989. Comment
  CAS-BOT-BC292197  Dicoria canescens C. B. Wolf 1931-10-14 2457 Riverside At Cabezon [Cabazon], San Gorgonio Pass 518 Comment
  CLARK-A1528-1797  Dicoria canescens John C. Roos 1948-10-15 Riverside Whitewater Comment
  RSA696748  Dicoria canescens J. Russell Bruff 1927-11-24 3 Riverside Whitewater. Comment
  UC1177917  Dicoria canescens S. Galen Smith 1948-1-1 344 Riverside 10 mi n Coachella Comment
  RSA596538  Digitaria sanguinalis D. L. Banks, Lauren Raz 1996-8-29 1135 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road;, along the E side of the road under the drip irrigation line to a vineyard. 399 Comment
  RSA688840  Dimorphotheca sinuata Scott D. White, Michael Honer 2003-6-17 9550 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR158338  Dimorphotheca sinuata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30067 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
  OBI8277  Diplacus bigelovii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12078 Riverside Joshua Tree Natl Monument along Pinto Basin Rd 11 mi S of N park boundary Comment
  OBI9551  Diplacus clevelandii H. E. McMinn 1946-8-25 5523 Riverside From potted plant grown from seed collected in Santa Ana Mts, western Riverside County in 1945 Comment
  SDSU13686  Diplacus puniceus Janet M. Knotts, Jill Steinberg 1998-4-22 22 IV1998B Riverside A few ft. E of strea on N side of footpath, ca. 0.5 mile NW of SDSU Santa Margarita Field Station, north of Santa Margarita River. 354 Comment
  CAS-BOT-BC195676  Distichlis spicata H. S. Yates 1937-6-27 20940 Riverside Near Relief Hot Springs Comment
  JEPS48842  Ditaxis lanceolata Marjorie D. Clary 1932-5-29 931 Riverside Marshall Canyon Comment
  SEINET3197205 Image available Ditaxis lanceolata Andrew C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37492 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  SEINET7097941  Ditaxis lanceolata A. G. Vestal 1937-5-9 s.n. Riverside South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27 converted to WGS84 decimal degrees) Comment
  UCR59708  Ditaxis lanceolata A. C. Sanders 1989-9-19 9500 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  RSA787702  Ditaxis neomexicana Duncan S. Bell 2012-4-5 3314 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. In the vicinity of the Desert Lily Sanctuary. 160 Comment
  JEPS52437  Ditaxis serrata W. L. Jepson 1928-4-25 12630 Riverside Pinto Basin, S Mohave Desert 822 Comment
  CAS-BOT-BC43642  Dithyrea californica H. M. Hall 1905-4-15 5772 Riverside Colorado Desert. Indian Well. 0 Comment
  CAS-BOT-BC43648  Dithyrea californica Lewis S. Rose 1936-12-29 36842 Riverside La Quinta, Colorado Desert. 0 Comment
  CAS-BOT-BC43657  Dithyrea californica Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Comment
  RSA697423  Dithyrea californica J. R. Bruff 1927-3-12 2 -R Riverside Fingal Comment
  RSA699587  Dithyrea californica J. R. Bruff 1932-3-22 s.n. Riverside Between Garnet and Edom Comment
  UCD114732  Dithyrea californica Evert I. Schlinger 1952-3-28 31 Riverside Whitewater. 152 Comment
  RSA228812  Dodecatheon clevelandii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 597 Riverside Santa Rosa Plateau, ca. 5 mi. west of Murrieta near Forest Route 7S01. 549 Comment
  RSA461341  Dodecatheon clevelandii Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  CAS-BOT-BC129968  Dodecatheon redolens Edmund C. Jaeger 1921-7-13 95 Riverside Deer Springs Meadow, San Jacinto Mts. 2712 Comment
  RSA1661  Drymocallis glandulosa Carl B. Wolf 1931-5-11 1961 Riverside Near Pipe Creek, above Hemet Valley. 1677 Comment
  RSA507954  Drymocallis glandulosa Steve D. Boyd, C. Boyd, Bob Boyd, Richard Noyes, L. Arnseth 1988-5-28 2272 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  POM17941  Dryopteris arguta P. A. Munz 1923-6-14 7112 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  SEINET3071477  Dudleya Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  RSA83384  Dudleya edulis P. A. Munz 1923-6-18 4277 Riverside Temecula Canyon. Comment
  RSA782526  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38401 Riverside southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg.) of intersection of I-15 and Lake St. 526 Comment
  UC1506121  Dudleya lanceolata Robert T. Clausen with E. R. Clausen and H. E. Clausen 1963-4-18 63047 Riverside 10 km se Murrieta (summit of ridge s of Santa Gertrudis Creek); Transverse Ranges 390 Comment
  CAS-BOT-BC109610  Dudleya saxosa subsp. aloides Ynez Whilton Winblad 1937-3-14 s.n. Riverside Near Palm Springs. Comment
  JOTR33717  Echinocactus polycephalus var. polycephalus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1210 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 2 mi northeast of Cottonwood Visitor Center 984 Comment
  SEINET4604429 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker 2007-10-17 16623 .1 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain 1420 Comment
  RSA737045  Echinochloa oryzicola Scott D. White, Justin M. Wood 2008-9-17 12538 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  OBI37469  Elatine californica Robert F. Thorne, M. Z. Thorne and W. Wisura 1978-5-21 51987 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCSB52656  Elatine californica Thorne, Robert; Thorne, M.; Wisura, Walter 1978-5-21 Riverside Santa Rosa Plateau: Mesa de Colorado; W and S margin of vernal marsh 609 Comment
  UCR15634  Eleocharis acicularis var. acicularis George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  CLARK-A1045-317  Eleocharis bella George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near headwaters of creek; Wildomar 7.5'Q Comment
  RSA564498  Eleocharis geniculata A. C. Sanders, O. F. Clarke, CNPS field trip 1991-10-5 11744 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  SEINET3911876  Eleocharis geniculata A. C. Sanders, P. J. MacKay; Donald L. Sanders 2003-2-9 25686 Riverside Colorado Desert: Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea.; 0 67 Comment
  CDA38957  Eleocharis montevidensis F. J. Willmarth 1958-2-28 s.n. Riverside Riverside. 0 Comment
  UCR68862  Eleocharis montevidensis Steve Boyd, T. S. Ross 1990-5-11 4664 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  CAS-BOT-BC113281  Eleocharis parishii Scott D. White 1995-6-29 3409 Riverside Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence. 350 Comment
  RSA179522  Eleocharis radicans E. W. Lathrop 1960-6-14 5010 Riverside 14 miles west of Murrieta. Comment
  CAS-BOT-BC227736  Elymus elymoides Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38108 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon 1676 Comment
  UCR207264  Elymus repens O. F. Clarke 2005-6-5 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SFV5025  Emmenanthe penduliflora F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  UCR41850  Emmenanthe penduliflora A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6037 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR906A  Emmenanthe penduliflora S. Riddell 1973-5-17 7 Riverside Santa Ana Mtns, Hwy 74, 8.8 mi west of Hwy 71-74 junction, west of Elsinore 640 Comment
  JOTR31958  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2194 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash Comment
  CAS-BOT-BC131169  Encelia actoni Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  RSA644190  Encelia actoni Scott D. White 1995-8-23 3561 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  SBBG112481  Encelia actoni C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  UCR154764  Encelia actoni T. B. Salvato, Kent Beaman 2005-5-16 787 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  CAS-BOT-BC131349  Encelia farinosa Aven Nelson; Ruth Nelson 1939-3-24 3250 Riverside In the lower part of Palm Canyon Comment
  SD229085  Encelia farinosa Dick Schwenkmeyer 2012-11-6 865 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
  SD229088  Encelia farinosa Dick Schwenkmeyer 2013-6-11 911 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  SDSU3827  Encelia farinosa S. J. Barnhart 1966-4-17 660417 -16 Riverside South-west facing slope of small hill 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Untility Road (dirt), which is 1.5. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCD131203  Encelia farinosa Curtis Clark 1975-3-22 452 Riverside road to Joshua Tree National Monument, north of Interstate Highway 10, south of Monument boundary. Comment
  UCR107881  Encelia farinosa B. G. Pitzer 1997-3-23 2997 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
  UCR41600  Encelia farinosa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6032 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  CAS-BOT-BC131415  Encelia frutescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm [Spring] Springs 60 Comment
  RSA383799  Ephedra aspera E. C. Jaeger 1922-3-25 701 Riverside Murray Canon, Colorado Desert of California. 366 Comment
  CAS-BOT-BC81532  Ephedra californica Cecil Hart 1926-2-1 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC81538  Ephedra californica Catherine A. Toschi 1963-4-11 63 :124 Riverside Porcupine Wash, Joshua Tree National Monument 762 Comment
  SEINET10532236  Ephedra californica var. funera A. K. Evans 1976-4-13 Evans 5129 Riverside Rocky slopes of Santa Rosa mountains. Comment
  JOTR31178  Ephedra nevadensis La Doux, Tasha, G. Clifton 2009-5-14 1976 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  RSA0020369  Ephedra nevadensis Duncan S. Bell 2012-3-4 3128 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 Comment
  RSA787332  Epilobium adenocaulon var. parishii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49556 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  RSA740252  Epilobium brachycarpum Scott D. White, Justin M. Wood 2008-7-9 12406 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC1043025  Epilobium campestre John C. Roos 1952-5-14 5662 Riverside near Box Springs; Edgemont 487 Comment
  UCR281566  Epilobium campestre Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-30 517- 123 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  RSA589084  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 795 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
  JOTR32640  Epilobium canum subsp. latifolium La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2561 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 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
  RSA559605  Epilobium canum subsp. latifolium Louis C. Wheeler 1933-12-1 2291 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  RSA754122  Epilobium ciliatum W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 12 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  RSA263734  Epipactis gigantea E. W. Lathrop 1968-5-12 6854 Riverside 4 miles W of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive 305 Comment
  UCD63460  Eragrostis mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside and vicinity. Santa Ana River bottom near Chinese Gardens. Comment
  UCD63450  Eragrostis mexicana subsp. mexicana Beecher Crampton 1963-5-7 6777 Riverside Riverside, 1 mile west U.C. - Riverside Campus. Comment
  UCR26521  Eragrostis pectinacea var. pectinacea A. C. Sanders, S. Hagopian 1981-5-20 2154 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  JOTR35037  Eremalche rotundifolia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3490 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA4931  Eremalche rotundifolia Carl B. Wolf 1932-4-27 3067 Riverside Colorado Desert, Chuckwalla Valley, 16 mi. east of Desert Center. 122 Comment
  RSA726572  Eremalche rotundifolia Naomi S. Fraga, Lisa Rojas 2005-2-10 1408 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  SJSU5748  Eremalche rotundifolia R. C. McGehee 1970-4-15 192 Riverside Wiley Well, 26 mi SE of Blythe Comment
  RSA0105460  Eriastrum densifolium subsp. austromontanum Mary F. Spencer 1921-6-30 1190 Riverside Idyllwild. San Jacinto Mountains. 1616 Comment
  UCR133417  Eriastrum diffusum Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 312 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  RSA0119726  Eriastrum diffusum subsp. diffusum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 957 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UCR169924  Eriastrum eremicum Scott D. White, Jennifer H. Jones 2005-4-21 10946 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR229122  Eriastrum eremicum A. C. Sanders, Chika Mori 2011-6-15 39666 Riverside Sonoran (Colorado) Desert, NW Coachella Valley, Worsley Rd. 0.1 mile above North Indian Dr., at mouth of Dry Morongo Canyon, just east of Hwy 62 534 Comment
  UCR6145  Eriastrum eremicum C. M. Bringle, H. Johnston 1967-5-13 B670513- 7 Riverside Sonoran (Colorado) Desert, Between Sky Valley and N Palm Springs on Dillon Rd., exact;y 3 mi. south of Bennett Rd. intersection, where Little San Bernardino Mtns. come within 100 ft of Dillon Rd. Both sides of road 152 Comment
  RSA0120107  Eriastrum eremicum subsp. eremicum J. R. Shevock 1971-5-8 1030 Riverside S. entrance, Joshua Tree National Monument. 457 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
  RSA0120674  Eriastrum harwoodii Duncan S. Bell 2011-4-7 2174 Riverside On the northeast side of the Arica mountains; approximately 2.2 air miles northwest of Priests Well, or approximately 4.5 air miles southwest of the ghost town of Rice. 359 Comment
  RSA0120687  Eriastrum harwoodii Duncan S. Bell 2010-4-2 695 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
  SBBG34230  Eriastrum sapphirinum T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  UCR21135  Eriastrum sapphirinum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR233085  Eriastrum sapphirinum T. B. Salvato 2011-6-12 5463 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  RSA0121562  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Justin M. Wood 2009-5-22 12932 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  SDSU13547  Eriastrum sapphirinum subsp. dasyanthum W. Miller 1972-7-20 Riverside Comment
  RSA0122011  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3533 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC515042  Eriastrum sapphirinum subsp. sapphirinum G. B. Grant 1901-8-1 11989 Riverside San Jacinto Mts., Strawberry Valley 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
  UCR162758  Ericameria brachylepis John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCR150031  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside San Jacinto Mtns, North of Alvin Meadow near USFS Road 5S10 (Red Hill Road) 1677 Comment
  LA202466  Ericameria linearifolia Martha Hilend Kinsey; 1935-3-31 sn Riverside Mission Canyon Comment
  RSA770854  Ericameria linearifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4934 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
  SD30745  Ericameria linearifolia Edith A. Purer 1935-4-21 6445 Riverside Pine Valley, Pines and Palms Highway. Comment
  UCD131421  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-30 491 Riverside West of Sugarload Mountain along Carrizo Road (6S03); northwest of Hwy 74, Santa Rosa Mountains. 1219 Comment
  CAS-BOT-BC299536  Ericameria paniculata W R O 1973-9-23 73 -641 Riverside 1/4 mile south of aquaduct road on road to gravel pit N.E. of Granite Mtn. Comment
  CAS-BOT-BC299543  Ericameria paniculata Mrs. Robert Campbell 1921-11-26 4 Riverside Between Palm Springs and Indian Wells Comment
  UC1329851  Ericameria teretifolia James E. Cole 1941-10-20 929 Riverside Optimist Mine Road Joshua Tree National Monument, Lost Horse Valley 1310 Comment
  JOTR16590  Erigeron breweri var. covillei Hogan, J. 1974-6-24 187 Riverside Joshua Tree National Park. 0.6 MILES WEST OF BARRIEADE AT UPPER COVINGTON FLATS Comment
  SDSU12964  Erigeron canadensis Michael G. Simpson with Claudia A. Luke 1999-10-27 2016 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  POM48956  Erigeron foliosus P. A. Munz, I. M. Johnston 1924-7-26 8719 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  RSA450424  Erigeron foliosus J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  JOTR33779  Erigeron foliosus var. foliosus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2931 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  RSA736706  Erigeron foliosus var. foliosus Scott D. White 2004-4-26 10243 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UC87543  Erigeron foliosus var. foliosus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountains 1828 Comment
  CAS-BOT-BC189074  Eriodictyon crassifolium Street; Durant 1918-5-12 s.n. Riverside San Jacinto River Canon [Canyon] Comment
  RSA77237  Eriodictyon crassifolium F. W. Peirson 1922-4-28 4480 Riverside Leach Canyon, near Elsinore 534 Comment
  SD137735  Eriodictyon crassifolium Darin L. Banks, Steve Boyd 1995-3-30 127 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope pf Agua Tibia Mt. W of Dripping Springs Alcove, on Woodcuck Trail 633 Comment
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Mar 2 2013
  CAS-BOT-BC189126  Eriodictyon crassifolium var. crassifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  JEPS46  Eriodictyon crassifolium var. crassifolium W. L. Jepson May 17 1901-Jun 1 1901 1257 a Riverside San Jacinto River San Jacinto Valley (San Jacinto Valley); , San Jacinto River 487 Comment
  JEPS57  Eriodictyon trichocalyx M. D. Clary 1932-4-3 1030 Riverside 8 mi w Indio (Indian Wells, Whitewater Wash); Colorado Desert, Indian Wells, Whitewater Wash 30 Comment
  UC535050  Eriodictyon trichocalyx var. trichocalyx Victor Duran 1933-7-1 3489 Riverside near Santa Rosa (Santa Rosa Mts.); , near Santa Rosa 1676 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
  POM161538  Eriogonum apiculatum Ralph Hoffmann 1929-9-7 s.n. Riverside Fuller's Mill. Comment
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Nov 11 2011
  POM49861  Eriogonum apiculatum P. A. Munz, I. M. Johnston 1924-7-27 8757 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  UC496521  Eriogonum apiculatum Philip A. Munz 1932-10-16 12846 Riverside road from Indio to Vandeventer Flat; Santa Rosa Mts. 1158 Comment
  UCR118785  Eriogonum apiculatum G. R. Ballmer 1991-7-11 s.n. Riverside Santa Rosa Mtns., Santa Rosa Mtn Road (Truck Trail going up Santa Roas Mtn.), 12 mi SE of the junction with Hwy 74. west of Deep Canyon. Comment
  JOTR32035  Eriogonum davidsonii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2265 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  RSA78246  Eriogonum davidsonii P. A. Munz, E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  UCSB25721  Eriogonum davidsonii Gliessman, Stephen 1968-7-17 Riverside along Little Thomas Mountain Road, 2.9 miles southwest of junction with Highway 74, Little Thomas Mountain. 1554 Comment
  RSA701043  Eriogonum deflexum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11288 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR89543  Eriogonum fasciculatum Bern Schwenn 1994-4-29 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument (Park)., flat country east of Lost Horse Mtns, near Mystery Hole. In wash near mine tailings (Sec. 34, south of Cal. Riding and Hiking Trail) and near old road to Indio 1311 Comment
  UCR140685  Eriogonum fasciculatum subsp. foliolosum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 60 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  CAS-BOT-BC250142  Eriogonum fasciculatum var. polifolium C. L. Hitchcock 1940-3-30 5874 Riverside Cottonwood Spring Comment
  JEPS56993  Eriogonum fasciculatum var. polifolium W. L. Jepson 1914-5-25 6066 Riverside San Gorgonio Pass 518 Comment
  RSA648261  Eriogonum fasciculatum var. polifolium Margaret Murphy 1983-5-15 0022 -C Riverside located in the north section of parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UC86025  Eriogonum gracile J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  RSA0125108  Eriogonum gracile var. gracile Duncan S. Bell 2016-10-27 10217 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  SDSU13671  Eriogonum gracile var. gracile W. Miller with C. Mosse 1972-8-9 Riverside Comment
  UC1922848  Eriogonum gracile var. gracile Scott D. White 2005-7-6 11158 Riverside San Gorgonio Pass: Cabazon. Toeslope of San Jacinto Mtns. and adjacent alluvial fan west of San Gorgonio River and south of I-10 Freeway. Cabazon 7.5' Quad. Comment
  UCR24943  Eriogonum gracile var. gracile A. C. Sanders 1980-7-18 1636 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SEINET9037370 Image available Eriogonum gracile var. gracile M. Wall 2003-9-6 344 Riverside Peninsular Ranges; Perris-Aguanga Basion region; 540 Comment
  JOTR32458  Eriogonum maculatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2604 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  CAS-BOT-BC270597  Eriogonum molestum James L. Reveal; C. Rose Broome 1987-6-27 6605 Riverside Along California Highway 243, 0.4 mile northwest of Lake Fulmor, about 13.8 miles northwest of Idyllwild, San Jacinto Mountains 1600 Comment
  RSA393383  Eriogonum nidularium Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  RSA0005084  Eriogonum nodosum var. jaegeri E. C. Jaeger 1921-11-15 251 Riverside Morongo Wash near Hole-in Wall Spring. Comment
  POM250545  Eriogonum nudum var. pauciflorum I. W. Clokey, E. G. Anderson 1935-8-21 s.n. Riverside Keene Camp P.O. 1425 Comment
  POM305593B  Eriogonum pusillum Henry J. Ramsey, Henry J. Ramsey 1937-2-26 889 Riverside Whitewater. Comment
  UC77632  Eriogonum reniforme C. R. Orcutt 1889-4-1 Riverside Colorado Desert Comment
  CAS-BOT-BC263504  Eriogonum thomasii J. Wear; N. Moorhatch 1993-6-11 s.n. Riverside Mecca Hills 60 Comment
  CAS-BOT-BC263532  Eriogonum thomasii S. B. Parish 1906-5-1 440 -6741 Riverside Colorado Desert at Palm Springs Comment
  CAS-BOT-BC263538  Eriogonum thomasii Peter Kamb 1948-4-11 876 Riverside Aqueduct Road 5 mi. east of Garnet, Coachella Valley 304 Comment
  RSA124109  Eriogonum thomasii Percy C. Everett, E. K. Balls 1958-4-29 22960 Riverside U.S. Hwy 60/70, Indio to Blythe, 5 mi. E from jct. with U.S. Hwy 99 122 Comment
  RSA424961  Eriogonum thomasii M. B. Dunkle 1932-3-25 2904 Riverside Cathedral Canyon Comment
  RSA703412  Eriogonum thomasii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1459 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SD174876  Eriogonum thomasii Mark A. Elvin 2005-4-26 4225 Riverside Coachella Valley; N of Agua Caliente Indian Reservation, N of Ramon St. 3km NW of thousand Palms 182 Comment
  UC168762  Eriogonum thomasii Geo. B. Grant May 1 1906-May 10 1906 440 -6741 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCD101289  Eriogonum thomasii Geoffrey Levin 1975-4-5 470 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernardino Mountains. Salton Sink Drainage area. 60 Comment
  UCR216496  Eriogonum thomasii Jim Andre, T. La Doux 2009-3-10 11237 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR263646  Eriogonum thomasii Aaron C. Sedgwick, Brett Griffin 2012-3-28 034 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  POM2305  Eriogonum thurberi Jenkins, Street 1917-5-30 1954 Riverside San Jacinto. Comment
  RSA424980  Eriogonum thurberi Ora M. Clark 1929-3-16 1712 Riverside N. of Whitewater. Comment
  RSA689553  Eriogonum thurberi Scott D. White, Michael Honer 2003-4-25 9128 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
  RSA766491  Eriogonum trichopes Alice Hutchinson 1931-09 6853 Riverside Between Desert Center and Blythe 122 Comment
  LA207116  Eriogonum wrightii var. membranaceum Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley Comment
  LA207120  Eriogonum wrightii var. membranaceum C. M. Dammers; 1933-10-25 sn Riverside The Gavilan, Gavilan Hills Comment
  UC31677  Eriophyllum ambiguum var. paleaceum S. B. Parish Apr 4 1896-Apr 13 1896 4120 Riverside base San Jacinto Mt. (Palm Springs (Agua Caliente)); , Palm Springs (Agua Caliente) 152 Comment
  CAS-BOT-BC297333  Eriophyllum confertiflorum A. C. Sanders 2006-5-19 32453 Riverside Hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  CAS-BOT-BC297346  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta, S of the Hogbacks. N of Hunter Rd to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Rd on the W 402 Comment
  RSA777337  Eriophyllum confertiflorum Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4701 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 W116.65120 604 Comment
  UCR123688  Eriophyllum multicaule G. P. Schultz 1994-4-21 138 Riverside Box Springs Mountains, recently burned area on east side of road on crest of mountain 823 Comment
  POM358159  Eriophyllum wallacei Norman C. Cooper 1944-3-25 1022 Riverside Morongo Pass. 457 Comment
  RSA483567  Eriophyllum wallacei D. Charlton 1988-5-21 1942 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA772135  Eriophyllum wallacei Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4979 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  SD204817  Eriophyllum wallacei Sarah J. De Groot, J. Mark Porter 2006-3-14 5195 Riverside Along Snow Creek Road, off Highway 111, about one mile from Snow Creek Village. 366 Comment
  UCR89653  Erodium cicutarium Bern Schwenn 1994-3-23 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Hexie Mtns: E side of Pleasant Valley on south side of Mtns, along road between Hershey Mill Site and El Dorado Mine 976 Comment
  RSA703302  Erodium texanum Valerie L. Soza 2003-3-15 s.n. Riverside Orocopia Mountains. Comment
  UC1286999  Erodium texanum C. L. Hitchcock 1966-3-20 24308 Riverside about 30 mi n Ogilby (along road to Blythe) Comment
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Mar 2 2013
  UCR14767  Eryngium aristulatum var. parishii A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 676 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado, intersection of Avocado Mesa Rd. & Los Gatos Rd. 623 Comment
  UCR132923  Erysimum capitatum 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
  JOTR16638  Erysimum capitatum var. capitatum Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  LA204344  Erysimum capitatum var. capitatum Elizabeth Levine; 1949-5-22 sn Riverside Off the Pines to Palms Highway past Lake Hemet Comment
  RSA33611  Erysimum capitatum var. capitatum N. C. Cooper 1944-7-16 1550 Riverside At trailside. San Jacinto Mt. above Pine Cove 2072 Comment
  RSA530205  Erysimum capitatum var. capitatum N. C. Cooper 1945-5-24 1621 Riverside Big Oaks Canyon, Banning. 1219 Comment
  RSA0016061  Erythranthe breweri Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1735 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SD136749  Erythranthe cardinalis Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7679 Riverside San mateo Canyon Wilderness Area. Along stream, Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega 1299 Comment
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Jul 15 2012
  RSA0020242  Erythranthe floribunda Scott D. White, Justin M. Wood 2008-7-8 12396 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  RSA0014891  Erythranthe moschata J. D. Olmsted 1959-7-25 768 Riverside Lily Fork of Strawberry Creek at start of Devil's Slide Trail NE of Idyllwild. San Jacinto Mountains, Strawberry Creek drainage area. 1738 Comment
  JOTR33941  Eschscholzia La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2830 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  GMDRC5487  Eschscholzia androuxii J. Andre 2012-4-16 20884 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  SEINET7073410  Eschscholzia californica A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UC455321  Eschscholzia californica I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  RSA773046  Eschscholzia glyptosperma Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5035 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
  RSA0021692  Eschscholzia minutiflora Jim Andre 2013-3-27 24834 Riverside Riverside Mountains; along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Junction 115 Comment
  SEINET5340013  Eschscholzia minutiflora N. H. Holmgren, Patricia Kern Holmgren; Ruth E. Kern 1973-3-21 6449 Riverside Blythe-Rice road, 17 airline miles north-northwest of Blythe. 259 Comment
  CAS-BOT-BC419614  Eschscholzia parishii Richard Snow 1952-4-14 11 -1 Riverside Road to Morongo Valley, 7.8 miles from junction with Highway 99/60/70 Comment
  SDSU18656  Eschscholzia parishii Michael G. Simpson, Kristen Hasenstab 2008-4-2 2946 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  UCR166553  Eschscholzia parishii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10881 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  SBBG119971  Eucalyptus camaldulensis A. C. Sanders with O. F. Clarke 1991-6-10 11123 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCD103100  Eucalyptus camaldulensis F. M. Reed 1916-11-12 3759 Riverside Jensen Ranch, west Riverside. Comment
  RSA516756  Eucrypta chrysanthemifolia Ed LaRue 1989-4-25 s.n. Riverside 4 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SD130318  Eucrypta chrysanthemifolia Ed LaRue 1990-4-13 Riverside 0.t mile northwest of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  RSA614403  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks 1997-3-16 1536 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
  SDSU14244  Eucrypta chrysanthemifolia var. chrysanthemifolia Ingrid Poulin 2002-3-22 10 Riverside Santa Margarita Ecological Reserve; Red Mountain Truck Trail, 0.6 miles northeast of N. Stagecoach Lane. 216 Comment
  POM118675  Eucrypta micrantha Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM49792  Euonymus occidentalis var. parishii P. A. Munz 1924-5-18 8148 Riverside 18 miles from Banning on Idyllwild Road. 1585 Comment
  UCR116891  Euphorbia albomarginata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24208 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR172161  Euphorbia albomarginata T. B. Salvato, Gregg Miller 2005-6-3 1379 A Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  UCR265821  Euphorbia albomarginata Mitch Provance 2012-5-24 512- 02 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR85145  Euphorbia maculata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16040 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UCR5294  Euphorbia micromera O. F. Clarke 1966-10-5 661005- 25 Riverside Santa Rosa Mtns./ Sonoran (Colorado) Desert, University of Calif, Riverside Reserve [Deep Canyon], Big Horn Drive [to?] Royal Carrizo Rd 915 Comment
  RSA786284  Euphorbia parishii C. P. Cowan 1978-4-23 1189 Riverside 2.7 miles (4.3 km) South on Highway 74 from its jct with Highway 111 at Indian Wells. Whittaker transect- W-218 210 Comment
  UCR104829  Euphorbia polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-5 2664 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR82837  Euphorbia polycarpa A. C. Sanders, P. J. MacKay 1994-10-23 15850 Riverside San Bernardino Mtns/Colorado Desert, Whitewater River Canyon, between the trout hatchery and Bonnie Bell 671 Comment
  POM184158  Euphorbia polycarpa var. appendiculata M. French Gilman 1932-3-30 2 Riverside Palm Springs. Comment
  UCR23554  Euphorbia setiloba John C. Roos 1958-9-28 s.n. Riverside Santa Rosa Mtns., Pinyon Flats 1220 Comment
  SEINET5789101 Image available Euphorbia setiloba L. S. Rose 1946-12-23 46302 Riverside Cathedral Canyon Wash, Riverside County, CA Comment
  SD122734  Euthamia occidentalis Patricia Wilder 1970-10-30 4841 Riverside East of Chino Hills, road on south side of Prado Flood Control Basin, east side of Prado Dam, ca. 0.5 miles east of Dam Tender's residence 149 Comment
  IRVC28531  Fagonia laevis John F. Green 2005-1-14 s.n. Riverside Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek Sonoran (Colorado) Desert 23 Comment
  RSA0047078  Fagonia laevis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 785 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA0125287  Fagonia laevis Duncan S. Bell 2016-3-4 8792 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA77844  Fagonia laevis F. W. Peirson 1932-3-22 9810 Riverside 20 miles North of Blythe on the road to Needles, Eastern Riverside. 152 Comment
  SEINET3071532 Image available Fagonia laevis Andrew C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay & C. L. Sanders 1995-1 15922 Riverside Sonoran (Colorado) Desert; Coachella Valley, mouth of Fargo Canyon, Little San Bernardino Mtns., 1.2 mi. above junction with Aqueduct Road. 370 Comment
  POM9059  Fagonia laevis Philip A. Munz, R. D. Harwood 1920-4-3 3578 Riverside 30 miles west of Blythe. 366 Comment
  UCR279513  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-27 43112 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UC403448  Ferocactus cylindraceus Munz and Johnston 1992-5-7 5292 Riverside Keyes Ranch Little San Bernardino Mts. Comment
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Sep 4 2010
  JOTR34003  Festuca bromoides La Doux, Tasha, M. Harding 2010-4-7 2891 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
  JOTR34182  Festuca microstachys La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3232 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCR19358  Festuca octoflora John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR97450  Festuca octoflora A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19681 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  SDSU12931  Festuca perennis Jutta Buschbom 1991-5-31 7 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
  UCR262457  Filago depressa Stan C. Spencer 2001-4-27 s.n. Riverside Peninsular Range, edge of Wilson Creek, east of Sage Rd. near Radec 511 Comment
  RSA171368  Forestiera pubescens J. D. Olmsted 1962-5-3 3542 Riverside N of Santa Rosa Indian Reservation. 1372 Comment
  CHSC8392  Fouquieria splendens Edward L. Smith 1958-3-21 355 Riverside Located 12 mi. e of Indio on hwy. 60, San Bernardino Mt. Range. 304 Comment
  CLARK-A1528-1145  Fouquieria splendens John C. Roos 1946-12-21 3192 Riverside Deep Canyon 274 Comment
  POM13038  Fouquieria splendens P. A. Munz, D. Keck 1922-4-9 4897 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UCD112796  Frangula californica subsp. tomentella A. C. Sanders 2004-6-20 28215 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Freeway, south of Clay Canyon Road. 305 Comment
  RSA265795  Frankenia grandifolia var. campestris J. C. Roos 1937-9-16 2568 Riverside La Sierra, western Riverside Co. Comment
  CAS-BOT-BC223695  Frankenia salina J. C. Roos 1965-6-30 s.n. Riverside Perris Comment
  CLARK-A1656-660  Franseria dumosa Lois Ann Scott 1978-11-17 Riverside San Jacinto Mountains 152 Comment
  RSA221020  Fraxinus dipetala E. W. Lathrop 1966-3-23 6091 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  SD73611  Fraxinus dipetala Helen V. Witham 1970-5-1 864 Riverside 10.4 miles south of Hwy 74. Bautista Canyon, southeast of Hemet. 1000 Comment
  UCR119846  Fraxinus velutina T. P. Krantz, K. Berg 1978-1 s.n. Riverside San Jacinto Mtns., Mellor Creek, near confluence of Mellor Creek and Indian Creek, up the creek c. 50 m from FS road 4S10 Comment
  UCR91739  Fraxinus velutina A. C. Sanders, J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  CLARK-A1703-81  Fritillaria biflora Sue Damon 1981-4-16 7 Riverside Gavilan Hills Comment
  RSA524592  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3907 Riverside Vail Lake area, summit of Big Oak Mountain, N of lake. 793 Comment
  UCR50413  Fritillaria biflora L. F. LaPre, Jack Easton 1988-1-27 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro, Santa Rosa Springs Ranch Comment
  RSA458581  Funastrum cynanchoides var. hartwegii A. Menke 1955-5-22 s.n. Riverside Chino Canyon, Palm Springs, Riverside county. Comment
  RSA543147  Funastrum cynanchoides var. hartwegii Steve Boyd 1991-3-17 5496 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA675985  Funastrum hirtellum Scott D. White 2001-4-17 8337 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  RSA776512  Funastrum hirtellum Amber Swanson, Duncan S. Bell 2011-3-10 212 Riverside Shaver's well in Box Cyn in the Mecca Hills 304 Comment
  SBBG5734  Funastrum hirtellum H. and M. Dearing 1939-4-12 3163 Riverside Pinto Basin near Twentynine Palms Comment
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Dec 19 2016
  UCR268085  Funastrum hirtellum Jim Andre 2012-4-11 20727 Riverside Mojave Desert, Joshua Tree National Park, along road to Cottonwood Spring (Utah Trail or Eldorado Mine Road) 1 mile northwest of Fried Liver Wash, c. 15 miles south of Hwy 62 at 29 Palms 617 Comment
  RSA0108817  Funastrum utahense Duncan S. Bell, Amanda Turek 2009-3-30 186 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  UCR228166  Funastrum utahense Dave Silverman, Mark Bibbo 2010-3-31 7899 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 2.1 km west of Black Creek Rd, 6.5 km ENE of McCoy Peak and 6.6 km north of I-10 189 Comment
  JEPS52779  Galium andrewsii subsp. andrewsii Lauramay T. Dempster and Clare Hardham 1965-6-18 4136 Riverside junction of Route 71 and Route 74 Paradise Valley (at s end of San Jacinto Mts.); s end of San Jacinto Mts., Paradise Valley 1463 Comment
  CLARK-A1528-3946  Galium angustifolium Charles S. Papp 1964-6-6 511 Riverside Cleveland National Forest 853 Comment
  SDSU13556  Galium angustifolium subsp. angustifolium W. Miller with C. Mosse 1972-7-11 Riverside 150 yards upstream; pass rock slide near oak tree. Comment
  JOTR32839  Galium multiflorum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1481 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  JEPS9394  Galium parishii A. W. Anthony 1895-7-12 Riverside San Jacinto Mts. 2529 Comment
  JEPS52941  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4282 Riverside about 1 1/2 mi w Mountain Center (along hwy, at junction of Baldy Mountain Camp road, canyon bottom and n-facing slope) Comment
  RSA673734  Galium porrigens var. porrigens Scott D. White, W. La Haye 2000-5-27 7937 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  POM4410  Galium stellatum I. M. Johnston 1917-4-4 1038 (9) Riverside Colorado Desert: Palm Canyon. 305 Comment
  POM173085  Gamochaeta pensylvanica M. French Gilman 1930-10 4 Riverside Banning Comment
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Mar 13 2011
  POM261679  Garrya flavescens var. pallida W. Pequegnat 1941-1-11 s.n. Riverside Indian Truck Trail, Santa Ana Mts. 976 Comment
  UCR62112  Gazania longiscapa S. J. Myers 1989-7-7 s.n. Riverside Peninsular Range, c. 0.5 mi west of the confluence of Murrieta Creek and Santa Margarita River, c. 1.5 mi south of Temecula Comment
  RSA0049913  Geraea canescens Jim Andre 2014-1-27 26676 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA651116  Geraea canescens Fred Watkins 1949-2-16 s.n. Riverside Palm Springs. 609 Comment
  RSA703806  Geraea canescens LeRoy Gross 2005-3-3 1603 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA0127783  Geraea canescens G. Rink 2013-3-17 11863 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  POM12711  Geranium californicum P. A. Munz 1922-7-6 5985 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  SD152832  Geranium carolinianum Steve Boyd 1992-4-15 6875 Riverside San Mateo Canyon Wilderness Area; Bluewater Trail, downstream to the confluencde with San Mateo Creek. 334 Comment
  UCR275955  Gilia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3792 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UC1311858  Gilia angelensis J. Powell 1965-4-13 484 Riverside 4 mi e Elsinore; Railroad Canyon, e of Elsinore 396 Comment
  SEINET6692563 Image available Gilia brevicula Norman C. Cooper 1944-6-17 1396 Riverside San Jacinto Mountains. Pine Cove. 1524 Comment
  SEINET1909895  Gilia capitata T. B. Salvato, John F. Green 2004-1 559 Riverside San Bernardino Mtns head of Banning (San Gorgonio River) Canyon close to the San Berardino Co. line, 1 mi. SE of Ok conservation Camp. (Forest Falls Q.) 1341 Comment
  UCR252210  Gilia capitata J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  RSA85117  Gilia capitata subsp. abrotanifolia J. C. Roos, Lucille Roos 1952-4-27 5585 Riverside San Timoteo Canyon south of Redlands. 427 Comment
  UC52858  Gilia diegensis H. M. Hall 1902-4-18 2890 Riverside Coahuilla Mesa Comment
  UCR120703  Gilia diegensis N. C. Cooper 1944-5-20 1283 Riverside San Jacinto Mtns., Palms to Pines Highway 1372 Comment
  JOTR01155  Gilia latiflora subsp. davyi Cole, James E. 1941-4-15 597 Riverside Joshua Tree National Park. ONE MILE ABOVE PINON WELL 1493 Comment
  JEPS48799  Gilia latifolia Marjorie D. Clary 1932-4-12 960 Riverside Coral Reef Canyon Comment
  RSA776188  Gilia latifolia Amber Swanson, Duncan S. Bell 2011-3-10 205 Riverside Mecca Hills, E of Painted Cyn Rd Comment
  SD185283  Gilia ochroleuca T. B. Salvato, Kent Beaman 2005-5-16 816 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  RSA0016277  Gilia ochroleuca subsp. exilis Ora M. Clark 1929-3-16 1687 Riverside South of Cabazon. Comment
  RSA0016284  Gilia ochroleuca subsp. exilis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA332592  Gilia scopulorum George K. Helmkamp 1983-3-24 383 -16 Riverside Little Chuckwalla Mtns, north base, 1.5 mi east of Graham Pass Rd. 335 Comment
  UCR35049  Gilia sinuata L. B. Ziegler 1972-5-3 449 Riverside San Jacinto Mtns, Hemet (Garner) Valley. 1402 Comment
  GMDRC9797  Gilia stellata J. M. Andre 2017-3-1 38000 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  JOTR30655  Gilia stellata La Doux, Tasha, Jim Andre 2008-3-21 150 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  SJSU8432  Gilia stellata R. C. McGehee 1970-4-30 246 Riverside 4 mi W of Corn Springs, Chuckwalla Mts, 18 mi SE of Desert Center Comment
  RSA543844  Githopsis diffusa subsp. candida Steve Boyd, Orlando Mistretta 1991-5-22 6301 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR110923  Githopsis diffusa subsp. diffusa A. C. Sanders, Mitch Provance 1998-6-18 21983 Riverside San Jacinto Mtns., along Hwy 243 c. 1 km below the turnoff to Twin Pines Ranch 1189 Comment
  CAS-BOT-BC303651  Glebionis coronaria A. C. Sanders 1998-4-16 21753 Riverside Riverside: field on the W side of Iowa Ave, just N of the Santa Fe RR tracks 287 Comment
  UCR91644  Gnaphalium californicum Steve Boyd, D. L. Banks 1995-4-5 8432 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  RSA552541  Gnaphalium canescens D. Charlton 1987-12-6 1104 Riverside Cottonwood Canyon, first canyon W of Whitewater N of the 10 freeway. N of Palm Springs. Foothills of San Bernardino Mtns. 915 Comment
  UCR160843  Gnaphalium luteoalbum T. B. Salvato, Kelly Volansky 2003-3-27 119 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 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
  UC32013  Gnaphalium palustre H. M. Hall 1901-1-1 2666 Riverside San Jacinto Mountains Southern California, San Jacinto Mountains Comment
  UCR116660  Gnaphalium palustre A. C. Sanders, Carolyn Washburn 2001-5-10 24245 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  SDSU14192  Gnaphalium stramineum David Mabs 2002-4-20 18 Riverside Santa Margarita Ecological Reserve. About a hundred yards up river from where Tornado Road crosses. 235 Comment
  RSA718577  Guillenia lasiophylla Michael Honer, L. Hulse 2004-4-3 1896 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  UCR114845  Gutierrezia californica Mitch Provance 1998-2-17 59 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR261141  Gutierrezia californica A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41736 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 400 Comment
  UC1118607  Gutierrezia sarothrae H. S. Yates 1937-6-27 6703 Riverside 1 mi sw Mt. Eden; Elsinore Quadrangle Comment
  UC455821  Gutierrezia sarothrae I. J. Condit 1910-6-24 Riverside San Jacinto Canyon Comment
  SEINET188337  Halliophytum hallii C. L. Hitchcock 1940-4-2 5926 Riverside Joshua Tree National Monument; Cottonwood Spring wash Comment
  UCR163666  Haplopappus acradenius John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  SD126108  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside Bachelor Mountain; lower south slopes, east end of Lake Skinner. Comment
  UCR230058  Harpagonella palmeri Tara Schoenwetter 2011-5-27 s.n. Riverside Peninsular Range, Alberhill, off Lake St. at Alberhill Mountain, N of Coal Ave./Nichols Rd. extension 429 Comment
  UCR252809  Harpagonella palmeri Ana Hernandez, Karyn L. Drennen 2014-5-9 053 Riverside Perris Aguanga Basin, Santa Ana Mountains, foothills. Sycamore Creek Conservation Easement. 40 meters east of Campbell Ranch Road, 90 meters north of intersection with Indian Truck Trail 365 Comment
  RSA0066625  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  CAS-BOT-BC211547  Helianthemum scoparium Ynez W. Winblad 1938-5-15 s.n. Riverside Lake Elsinore Comment
  SEINET13387099 Image available Helianthemum scoparium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8350 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 (Corona South 7.5' Q.) 424 Comment
  JEPS49059  Helianthus annuus Lewis S. Rose 1966-12-11 66095 Riverside Palm Springs 152 Comment
  POM319631  Helianthus annuus Patricia Wilder 1970-10-15 4765 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  CAS-BOT-BC305708  Helianthus gracilentus P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17268 Riverside 3.7 mi. s.e. of Banning along hwy to Idyllwild, San Jacinto Mts. 914 Comment
  RSA714434  Helianthus gracilentus A. C. Sanders 2004-5-12 27889 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  POM248441  Heliotropium curassavicum var. oculatum Philip Crow 1939-7-14 s.n. Riverside Blythe. Comment
  RSA525229  Hemizonia kelloggii Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4606 Riverside Vail Lake area, NE of lake along Powerline road, 0.6 mile W of jct Hwy R3. Comment
  RSA735946  Hemizonia kelloggii Scott D. White, Justin M. Wood 2008-6-13 12101 Riverside Beaumont Badlands: San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  UCR93814  Hemizonia kelloggii P. J. MacKay 1996-6-15 010 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA618635  Hemizonia paniculata D. L. Banks 1997-6-16 2061 Riverside MW Palomar mountains, Agua Tibia Mountains: Pechanga Indian Reservation. On S side of Pechanga Road, approximately 20 m W of the old schoolhouse. 378 Comment
  RSA655228  Hemizonia paniculata Scott D. White 1999-10-7 7625 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  UCR66977  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Peninsular Range, Murrieta Creek at the Rancho California Street bridge in Temecula, W side of creek, just east of Diaz Rd & within the creek channel 330 Comment
  UCR90763  Hemizonia pungens subsp. laevis D. E. Bramlet 1993-5-16 2356 Riverside 5.7 km west of Hemet, 488 m north of Florida Ave and 1 m west of old Warren Road. the site is found on a parcel between old Warren and Warren Rd., c. 274 north of the intersection of these two roads 456 Comment
  RSA85451  Hesperocnide tenella J. C. Roos 1952-4-13 5537 Riverside North side of Box Canyon 396 Comment
  SD137990  Hesperoyucca whipplei Steve Boyd, Darin Banks 1995-4-5 8433 Riverside Palomar Range; Agua Tibia Wilderness Area; See notes for further information. Comment
  UCR193393  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35634 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  RSA78302  Heterotheca fastigiata P. A. Munz, E. K. Balls 1952-8-21 17990 Riverside Head of Hemet Valley 1494 Comment
  CAS-BOT-BC310834  Heterotheca sessiliflora subsp. fastigiata P. A. Munz; E. K. Balls 1952-8-21 17990 Riverside Head of Hemet Valley, San Jacinto Mts. 1493 Comment
  RSA0063014  Heuchera elegans P. A. Munz 1922-6-28 5875 Riverside Toro Peak, Santa Rosa Mountains. 2287 Comment
  RSA0087285  Heuchera elegans J. D. Olmsted 1960-5-15 1464 Riverside Cedar Falls, Main Fork Snow Creek. San Jacinto Mts., San Gorgonio River drainage area. 1066 Comment
  CAS-BOT-BC203352  Hibiscus denudatus H. K. Wagnon 1944-5-20 388 Riverside Tahquitz Canon [Canyon], Palm Springs Comment
  POM10495  Hieracium albiflorum Charlotte M. Wilder 1909-7-10 980 Riverside Above Strawberry Valley, San Jacinto Mts Comment
  SEINET4145699 Image available Hilaria rigida J. M. Andre 2013-3-27 24809 Riverside Rice Valley; E side of Arica Mountains, along Rice-Midland Rd., 2.2 mi. S of Rice 242 Comment
  CAS-BOT-BC540739  Hoffmannseggia glauca Sarah J. De Groot; Amy Rouillard 2015-9-15 7570 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  SEINET953583  Hoffmannseggia glauca J. C. Roos 1965-1 Riverside 17 miles West of Blythe, Colorado Desert. Comment
  SD258922  Hoffmannseggia microphylla Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7648 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road; Side canyon forking N from Little Box Canyon, E of Box Canyon;; E side of Mecca Hills, E-NE of Mecca 281 Comment
  RSA582631  Hoita orbicularis Louis C. Wheeler 1933-5-28 1744 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA597947  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Old abandoned field in Santa Ana River bottom above West Riverside Bridge. 244 Comment
  RSA388402  Holocarpha virgata subsp. elongata R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61185 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR158950  Holocarpha virgata subsp. elongata A. C. Sanders, Kelly Volansky 2005-8-31 31599 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
  UC1931198  Hordeum brachyantherum subsp. californicum Scott D. White, Justin Wood 2008-7-9 12418 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  CAS-BOT-BC285112  Hordeum marinum subsp. gussoneanum Philip A. Munz 1941-5-18 16651 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  RSA614126  Hordeum murinum subsp. leporinum D. L. Banks 1997-2-23 1293 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA433954  Horsfordia newberryi Anstruther Davidson 1930-04 s.n. Riverside Devil s Canyon, Coral Reef Ranch, Coachella Comment
  CSUSB1758  Hunnemannia fumariifolia Morse 1974-6-29 Riverside North end of Linsay Street (Glen Avon). 228 Comment
Read comments
Oct 22 2011
  UCR40562  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  UCR1594  Hydrocotyle umbellata R. L. Needham 1962-5-8 10041 Riverside Riverside, base of spillway at WNW corner of Lake Evans [Fairmont Park] 245 Comment
  NY43421  Hymenoclea salsola C. R. Annable 1995-3-10 2263 Riverside 1.6km S of Lake Cahuilla County Park Comment
  POM4806  Hymenoclea salsola Marjorie Shaw 1916-03 s.n. Riverside Palm springs Comment
  RSA0106699  Hymenoclea salsola Duncan S. Bell, Thomas Stoughton 2010-3-19 568 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  RSA27452  Hymenoclea salsola I. L. Wiggins 1941-3-24 9576 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  RSA66564  Hymenolobus procumbens F. W. Peirson 1922-4-30 1896 Riverside Road from Temecula River to Hemet. 518 Comment
  JOTR32364  Hymenopappus filifolius var. lugens La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2479 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit (Stop 4) Comment
  UCR110984  Hymenopappus filifolius var. lugens George K. Helmkamp 1998-6-27 4122 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA458248  Hypericum formosum var. scouleri M. B. Dunkle 1933-7-20 3711 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA502895  Hypochaeris glabra Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  UCR97886  Hypochaeris glabra A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19852 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  CLARK-A1656-732  Hyptis emoryi unknown 1981-3-14 Riverside Coachella Valley Comment
  HSC100002  Hyptis emoryi J. P. Smith, & J. O. Sawyer 2009-11-30 12700 Riverside West of wash with palo verde tree. 638 Comment
  JEPS63225  Hyptis emoryi W. L. Jepson 1914-5-18 6016 Riverside near Pinyon Well (<not> Cottonwood Mts. = Conchilla Mts.); near Pinon Well <not> Cottonwood Mts. = Conchilla Mts. 457 Comment
  JOTR35353  Hyptis emoryi Andre, Jim 2012-4-11 20724 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA0041942  Hyptis emoryi Duncan S. Bell, Loraine Washburn 2014-4-10 6594 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 Comment
  UCR263512  Hyptis emoryi Aaron C. Sedgwick, Brett Griffin 2012-3-28 023 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  UCR96199  Hyptis emoryi B. G. Pitzer 1996-11-9 2923 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  CAS-BOT-BC311617  Isocoma acradenia var. eremophila S. B. Parish 1912-6-28 8117 Riverside Mecca Comment
  OBI74760  Isocoma acradenia var. eremophila Scott D. White 2006-3-29 11277 Riverside Colorado Desert: Eastern Coachella Valley a few mi E of Indio. Proposed I-10 fwy/McMaughton pkwy interchange, N of I-10 fwy Comment
  SBBG52766  Iva axillaris N. C. Cooper 1944-7-15 1594 Riverside Palms to Pines Hwy (St Hwy 74) 548 Comment
  UC2062449  Ivesia callida Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-5 7425 Riverside Head of Andreas Canyon on N side Red Tahquitz Peak, San Jacinto Mountains. Comment
  JOTR16834  Ivesia saxosa Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  CLARK-A1528-17  Juncus balticus C. M. Flanagan 1973-5-31 OO 638 Riverside Morongo Indian Reservation 1158 Comment
  UCR92279  Juncus balticus Scott D. White, S. Ogg 1994-10-17 2482 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  SDSU13571  Juncus balticus subsp. ater W. Miller 1972-7-20 Riverside 316 Comment
  UC1563066  Juncus bufonius Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3641 Riverside se of Vail Lake area (just n of Hwy 79); Temecula Creek 487 Comment
  UC1601698  Juncus bufonius H. M. Hall Jul 1901 Riverside w fork of Snow Creek San Jacinto Mountains, Snow Creek 1676 Comment
  UCR225503  Juncus bufonius A. C. Sanders, T. B. Salvato 2011-3-29 38848 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  RSA70059  Juncus bufonius var. occidentalis F. W. Peirson 1922-5-19 3019 Riverside Menifee Valley, south of Perris. 457 Comment
  UCR242660  Juncus longistylis A. C. Sanders 2013-7-6 40849 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  UCR201685  Juncus oxymeris Scott D. White, Justin M. Wood 2008-6-19 12258 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA368339  Juncus rugulosus Robert Gustafson 1980-5-5 1559 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  UCR108835  Juncus rugulosus O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 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
  UCR156273  Juncus tiehmii T. B. Salvato, A. C. Sanders 2005-5-17 897 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR121817  Juncus torreyi A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24598 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR164302  Juncus xiphioides S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  NY21050  Juniperus californica L. S. Rose 1936-12-24 36810 Riverside 24 mi SW of Indio, Palms to Pines Highway, San Jacinto Mts 1066.8 Comment
  CAS-BOT-BC234566  Justicia californica E. A. Blondin 1944-4-8 s.n. Riverside Tahquitz Canyon Comment
  CAS-BOT-BC234590  Justicia californica W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz Canon [Canyon] Comment
  SEINET2043590 Image available Justicia californica Pomona College 1949-3-28 112 Riverside Palms to Pines Highway State 74, 14 mi SE Palm Springs. 1524 Comment
  SFV5026  Justicia californica F. M. Ball 1964-1-4 n.s. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  UCD121643  Justicia californica L. S. Rose 1935-12-19 s.n. Riverside Colorado Desert, Palm Springs. 138 Comment
  UCR25774  Justicia californica John C. Roos 1937-4-28 795 Riverside Sonoran (Colorado) Desert, 30 miles west of Desert Center [Shavers Valley] Comment
  UCSB16172  Justicia californica Gerhart, Janet 1963-4-6 Riverside 5.2 miles wouth of U.S. Highway 60-70 on mine road, 11.5 miles east of turnoff to Jashua Tree National Monument 396 Comment
  CLARK-A1528-4430  Kallstroemia californica John C. Roos 1963-10-24 Riverside Hayfield Comment
  UCR251730  Kallstroemia californica Deidre Conocchioli, April Garbat 2013-9-5 40 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 23 miles west of Blythe on I-10, Ford Dry Lake exit, Chuckwalla Valley Road 1.5 miles west to near Graham Pass Road 120 Comment
  OBI9298  Keckiella antirrhinoides Tracey & Viola Call, Viola Call 1962-4-13 2125 Riverside Tin Mine Cyn near Corona 351 Comment
  RSA341986  Keckiella antirrhinoides Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54080 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA0018943  Keckiella antirrhinoides subsp. antirrhinoides Ora M. Clark 1929-3-16 1695 Riverside South of Cabazon, Colorado Desert. Comment
  RSA770688  Keckiella antirrhinoides subsp. antirrhinoides Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4814 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0018942  Keckiella antirrhinoides subsp. antirrhinoides John F. Emmel 1973-3-3 414 Riverside South Fork of San Jacinto River, west of Hemet. 823 Comment
  NY786703  Keckiella antirrhinoides var. antirrhinoides G. T. Hastings 1941-4-26 s.n. Riverside Sage Comment
  RSA192064  Keckiella cordifolia E. W. Lathrop 1966-5-31 6348 Riverside Tenaja Range, Fisher man's Creek camp. Comment
  RSA293513  Keckiella ternata subsp. ternata C. W. Tilforth, Walter Wisura 1979-8-8 1896 Riverside Along Hwy 74 east junction with Hwy 371. Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning. Comment
Read comments
Jun 26 2013
  RSA0019430  Keckiella ternata subsp. ternata R. M. Straw 1953-6-24 477 Riverside Idyllwild-Banning Rd., 6.5 mi. S. of Banning. 1143 Comment
  UCR132930  Koeleria macrantha John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  CAS-BOT-BC61432  Krameria bicolor W. R. Dudley 1903-12-1 s.n Riverside Desert back of Indian Reservation, Palm Springs Comment
  CAS-BOT-BC61438  Krameria bicolor F. Almeda 1976-6-5 2824 Riverside 4-5 mi. N of Interstate Hwy. #10 off of Whitewater Canyon Road Comment
  SD232265  Krameria bicolor Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinksy 2003-4-17 10464 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of Bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  POM1809  Krameria grayi I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon. 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
  SEINET5560172  Lamarckia aurea H. S. Gentry 1973-1 22192 Riverside Gentry ranch, 3.5 miles NE of Murrieta. 396 Comment
  RSA741018  Lamium amplexicaule Scott D. White, Justin M. Wood 2008-6-18 12235 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 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
  UCR88114  Langloisia schottii A. C. Sanders, G. Nuhn 1995-4-20 16594 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UC1329881  Langloisia setosissima subsp. punctata James E. Cole 1941-4-13 588 Riverside 1/4 mi. s. of summit Pinto Pass; Joshua Tree Nat'l Monument Comment
  CAS-BOT-BC170704  Larrea tridentata G. P. Rixford 1907-11-25 s.n. Riverside Between Yuma and Needles, Colorado River Comment
  LA31387  Larrea tridentata Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 c- 172 Riverside Morongo Wash Comment
  RSA662137  Larrea tridentata Carol Zuck 1981-2-15 14 Riverside Junction of Country Club Dr. and Palm Desert Green Dr. Palm Desert. Comment
  SD247522  Larrea tridentata A. C. Sanders, Jim Malusa 2015-3-10 41369 Riverside Sonoran (Colorado) Deert; north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Moutains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 609 Comment
  POM6021  Lasthenia coronaria M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  RSA314645  Lasthenia coronaria R. F. Thorne 1983-4-23 55459 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA512127  Lasthenia gracilis Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  UCR154770  Lasthenia gracilis A. C. Sanders, Mike Misenhelter 2005-3-23 29246 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR178279  Lasthenia gracilis T. B. Salvato, Tracy Tennant 1998-1 MOR- 803 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  CSUSB1223  Lathyrus laetiflorus Michael DeJong 1971-4-10 Riverside Found in gulley on the hill behind the apartments on the 5400 block of Olivewood Ave. in city of Riverside. Comment
  POM10364  Lathyrus vestitus subsp. laetiflorus Charlotte M. Wilder 1904-5-13 76 Riverside North side of Jurupa Hills Comment
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Sep 3 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
  POM361744  Layia H. M. Hall 1897-4-3 442 .5 Riverside Winchester. Comment
  POM4861  Layia platyglossa subsp. campestris P. A. Munz 1918-4-27 2152 Riverside Near Corona. Comment
  RSA736734  Lemna Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10690 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA716345  Leontodon leysseri R. E. Riefner 2004-7-31 04 -357 Riverside City of Hemet, Auto Blvd. at Warren Rd. 463 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-BC88947  Lepidium dictyotum Steve Boyd 1986-4-2 1623 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. In southeast corner of park. 640 Comment
  UCR76170  Lepidium dictyotum var. dictyotum A. C. Sanders 1993-4-1 13669 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  RSA429905  Lepidium fremontii M. B. Dunkle 1934-3-31 4439 Riverside Pinto Basin, Colorado Desert 915 Comment
  CLARK-A1528-2325  Lepidium lasiocarpum John C. Roos 1948-5-15 3841 Riverside Eagle Mountains Comment
  RSA796105  Lepidium lasiocarpum Duncan S. Bell 2009-4-20 315 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SEINET3105700  Lepidium lasiocarpum Faulkner 1978-3-15 280 Riverside 1 mile West Hwy 95, 25 miles N of Blythe. 152 Comment
  UC144134  Lepidium lasiocarpum var. lasiocarpum Charlotte M. Wilder 1908-3-25 1121 Riverside Fairmount Park Riverside Comment
  JOTR00876  Lepidium lasiocarpum var. lasiocarpum Sipe, Frank 1958-3-7 236 Riverside Joshua Tree National Park. NEAR CHOLLA PATCH Comment
  UCR199740  Lepidium pinnatifidum Scott D. White, Justin Wood 2008-6-24 12285 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  UCR242674  Lepidium virginicum subsp. menziesii A. C. Sanders 2013-7-6 40839 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  UCR251700  Lepidium virginicum var. robinsonii T. B. Salvato, Matthew Malle 2014-4-8 7830 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 0.6 mi north-northeast of intersection of Hwy I-15 and Lake St. 468 Comment
  CAS-BOT-BC328099  Lepidospartum squamatum J. Beley 1974-2-20 0057 Riverside Magnolia Rd., 0.5 mi S of Cabazon Comment
  RSA554634  Lepidospartum squamatum Scott D. White 1992-9-2 767 Riverside San Jacinto Valley: Vicinity of Gilman Hot Spirngs, N side of San Jacinto River, and a thin strip tending N of the river & W of the Hot Springs. 451 Comment
  CAS-BOT-BC274020  Leptochloa fusca subsp. uninervia E. A. McGregor 1917-3-19 797 Riverside Colorado Desert. Indio Sands Comment
  RSA522109  Leptochloa fusca subsp. uninervia Steve Boyd, Timothy S. Ross 1989-8-28 3802 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR17751  Leptodactylon californicum subsp. leptotrichomum O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  SEINET7967465 Image available Leptosiphon bicolor Malcolm G. McLeod 1971-6-22 472 Riverside Idyllwild Comment
  SD133039  Leptosiphon floribundus subsp. glaber Scott White 1991-5-13 91 88 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UCR280621  Leptosiphon parviflorus Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 09 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  RSA181938  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 583 Riverside 4.7 miles E of Anza on road to Santa Rosa Summit. 1372 Comment
  RSA773655  Lessingia glandulifera var. glandulifera Duncan S. Bell, Joy England 2010-10-5 1974 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 781 Comment
  RSA793267  Lessingia glandulifera var. glandulifera Aaron C. Sedgwick, April Garbat 2012-5-5 97 Riverside West of San Jacinto Forest Service land and south of Hwy. 74. Entry point is from an unmarked road just ~1000 ft. west of the ranger station. Continue through citrus groves to BLM land located in a canyon south of the groves. 610 Comment
  SD229101  Lessingia glandulifera var. glandulifera Dick Schwenkmeyer 2011-8-25 648 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  UCR140895  Lessingia glandulifera var. glandulifera Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  UCD87589  Leymus triticoides P. B. Kennedy 1915-1 s.n. Riverside Wineville. Comment
  POM48589  Lilium parryi Mary F. Spencer 1919-7-3 1235 Riverside San Jacinto Mt., [San Jacinto Mountains]. 1677 Comment
  SD241915  Limonium duriusculum A. C. Sanders, John F. Green 2012-6-25 40298 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Road, north end of Bucking Bay Drive (Alberhill 7.5'Q) 433 Comment
  CLARK-A1528-719  Linanthus androsaceus subsp. micranthus C. M. Flanagan 1973-5-12 Riverside Morongo Indian Reservation 1188 Comment
  UC1329876  Linanthus aureus James E. Cole 1941-4-15 594 Riverside Pleasant Valley Joshua Tree National Monument 762 Comment
  CHSC1259  Linanthus californicus S. Westerberg 1938-4-12 Riverside Palm Springs. Comment
  RSA192031  Linanthus californicus E. W. Lathrop 1966-3-2 6049 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails 878 Comment
  RSA468466  Linanthus californicus Ora M. Clark 1929-2-24 1536 Riverside N slope of San Jacinto S of Cabazon Comment
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Nov 9 2011
  UCD118501  Linanthus dianthiflorus R. N. Raynor 1933-5-2 s.n. Riverside Box Springs Hills. Comment
  RSA543171  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, Mike Hammitt, T. S. Ross 1991-5-2 6081 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  JOTR34179  Linanthus dichotomus subsp. dichotomus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 140 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  RSA0118059  Linanthus jonesii Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7616 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA703487  Linanthus jonesii LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1432 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., [second UTM:] UTM 3720669N, 654757E. 480 Comment
  JEPS58458  Linanthus lemmonii W. L. Jepson 1901-5-19 1296 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UC880049  Linanthus lemmonii P. A. Munz and I. M. Johnston 1922-5-20 5477 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  UC306935  Linanthus liniflorus M. E. Jones 1903-5-11 10317 Riverside Banning Comment
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Mar 13 2011
  CLARK-A1528-3486  Linanthus pygmaeus John C. Roos 1950-4-22 4757 Riverside Reche Canyon 822 Comment
  UCR171954  Linaria canadensis 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
  UCR6480  Linaria canadensis Helen Leach 1967-3-2 C670302- 01 Riverside Pedley 229 Comment
  RSA496571  Linaria canadensis var. texana Steve Myers 1988-2-24 s.n. Riverside Temescal Canyon, ca. 1/4 mi. W of intersection of Hwy I-15 and Indian Truck Trail. 381 Comment
  UCR158131  Linaria canadensis var. texana A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30101 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
  UCR13412.2  Lithophragma affine William E. Mortenson 1973-5-27 8 Riverside San Jacinto Mtns., 14.1 mi south of Banning on Calif. Route 243 (Palms to Pines Hwy). 100 yds. west of Hwy in a wooded area 1677 Comment
  UCR241932  Loeflingia squarrosa A. C. Sanders, Timothy W. Chumley 2013-3-28 40693 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  POM8008  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-2 3569 Riverside Ford's well, west of Blythe. 305 Comment
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Dec 13 2016
  RSA172223  Loeseliastrum schottii R. F. Thorne 1963-3-29 32387 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  CAS-BOT-BC342252  Logfia filaginoides Steve Boyd 1986-4-19 1695 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  CAS-BOT-BC342258  Logfia filaginoides L. R. Abrams 1926-3-26 11030 Riverside Palm Springs Comment
  CAS-BOT-BC342261  Logfia filaginoides Ira L. Wiggins 1941-3-27 9702 A Riverside Slopes 4 miles north of Whitewater Comment
  UCR137703  Lolium perenne subsp. multiflorum D. L. Banks, V. W. Steinmann 1997-3-13 1494 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
  RSA192222  Lolium perenne subsp. multiflorum E. W. Lathrop 1960-5-6 4792 Riverside 10 miles west of Murrieta. Comment
  RSA736304  Lolium rigidum Scott D. White, Justin M. Wood 2008-5-13 11951 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  UCR199939  Lolium rigidum Scott D. White, Justin Wood 2008-5-13 11951 Riverside Perris Basin, I-215 freeway south of San Jacinto River crossing 431 Comment
  RSA552754  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6740 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  POM305708  Lomatium lucidum Anonymous, Henry J. Ramsey 1939-4-22 1031 Riverside Hemet-Anza, Bautista Creek Rd. Comment
  RSA747870  Lomatium lucidum Justin M. Wood 2009-5-11 699 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR158502  Lomatium lucidum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30023 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UC494749  Lomatium mohavense Philip A. Munz and C. L. Hitchcock 1932-4-9 12228 Riverside e. Riverside Co., White Tanks Comment
  RSA212935  Lomatium mohavense subsp. longilobum L. B. Ziegler 1969-5-7 s.n. Riverside Meadowy area in Hemet Valley near Kentworthy Ranger Station, San Jacinto Mts. 1448 Comment
  UCR121347  Lonicera subspicata A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25022 Riverside The Badlands, canyon above Eden Hot Springs 549 Comment
  CLARK-A1528-2408  Lonicera subspicata var. johnstonii John C. Roos 1952-7-16 5813 Riverside 487 Comment
  UCR91680  Lotus argophyllus Steve Boyd, D. L. Banks 1995-4-5 8418 B Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  POM47633  Lotus argophyllus subsp. decorus F. W. Peirson 1919-4-13 s.n. Riverside Murray Canyon, Palm Springs region. Comment
  SEINET5558029  Lotus argophyllus var. argophyllus H. S. Gentry 1957-1 16385 Riverside Dripping Springs. 731 Comment
  JEPS55435  Lotus grandiflorus W. L. Jepson 1901-5-19 1286 Riverside Strawberry Valley Mt. San Jacinto Comment
  SEINET3696863 Image available Lotus grandiflorus K. Seydel 1987-5-23 30 Riverside San Jacinto Mountains, off Hwy 74, 9.0 miles past Bee Canyon Road exit. Just below McCall park. 1280 Comment
  RSA406159  Lotus hamatus N. R. Zabriskie, Walter M. Zabriskie 1973-4-3 609 -a Riverside Top of Poorwill Canyon, Andreas Canyon area, est slope San Jacinto Mountains 427 Comment
  UCR121677  Lotus hamatus Ian G. Gillespie, Abby Sirulnik 2000-5-7 35 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR109482  Lotus heermannii A. C. Sanders, D. R. Schramm, D. Wappler 1994-10-4 15773 Riverside San Jacinto Mountains, N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Cr. 915 Comment
  UCR174614  Lotus heermannii Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 347 Riverside Peninsular Ranges; San Jacinto Mtns., Turnout south of Mt. Edna Road along Calif. Hwy 243 1143 Comment
  UCR225620  Lotus humistratus A. C. Sanders, T. B. Salvato 2011-3-28 38827 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  RSA406172  Lotus nevadensis var. nevadensis M. B. Dunkle 1933-7-20 3702 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC864798  Lotus nevadensis var. nevadensis Carl B. Wolf 1932-8-4 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  RSA90412  Lotus oblongifolius F. W. Peirson 1924-7-28 5018 Riverside Pine Flats Camp 1799 Comment
  SEINET3131508  Lotus oblongifolius var. oblongifolius F. M. Reed 1908-7-13 2550 Riverside Tahquiz Valley (?), San Jacinto Mts. Comment
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Jul 30 2013
  JOTR31879  Lotus rigidus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2133 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  SEINET3133950  Lotus rigidus S. B. Parish 1907-4-22 6147 Riverside W border of Colorado Desert 200 Comment
  UCR14209  Lotus rigidus N. R. Zabriskie 1973-2-23 565 Riverside Peninsular Range/Sonoran (Colorado) Desert, Boyd's Road Lookout, Deep Canyon, N slope of Santa Rosa Mtns (Site 18) 854 Comment
  RSA543976  Lotus salsuginosus Steve Boyd 1991-5-10 6208 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  UCR47242  Lotus salsuginosus B. G. Pitzer, L. F. LaPre 1987-3-2 0434 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA653549  Lotus salsuginosus var. salsuginosus Scott D. White 1999-5-24 7402 (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
  RSA717050  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25846 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 366 Comment
  UCR178523  Lotus scoparius subsp. brevialatus R. G. Swinney 1967-2-12 0025 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  RSA17252  Lotus scoparius var. brevialatus C. B. Wolf 1936-6-17 7962 Riverside Santa Ana Mts., Tenaja Road, North end of La Cienaga. 732 Comment
  RSA757778  Lotus scoparius var. brevialatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4330 Riverside 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
  UC665832  Lotus scoparius var. brevialatus Ira L. Wiggins 1941-3-27 9699 Riverside 4 mi n Whitewater Comment
  RSA406896  Lotus scoparius var. brevialatus N. C. Cooper 1947-4-5 2117 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA701361  Lotus strigosus Steve Boyd, Aydee Virgen 2004-4-13 10874 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC68650  Lotus strigosus H. M. Hall Apr 1905 5830 Riverside Mecca -60 Comment
  UC864941  Lotus strigosus I. W. Clokey and B. C. Templeton 1930-4-9 4662 Riverside n of Banning 1100 Comment
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Mar 13 2011
  RSA496656  Lotus tomentellus B. Pitzer 1988-3-10 643 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
  RSA192129  Lotus unifoliolatus E. W. Lathrop 1966-5-25 6334 Riverside 5 miles NW of Murrieta. Comment
  RSA406279  Lotus unifoliolatus Robert Gustafson, Gary D. Wallace 1983-6-23 2717 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mountains. 701 Comment
  RSA406439  Lotus unifoliolatus M. M. Thompson 1947-8-23 c 2053 Riverside Los Alamos Canyon, Elsinore Mtns. 762 Comment
  RSA487422  Lotus unifoliolatus Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA736761  Ludwigia peploides subsp. peploides Scott D. White, Lynn Stafford 2007-6-27 11753 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  UC64309  Ludwigia peploides subsp. peploides H. M. Hall Riverside Riverside Comment
  UCR1132  Lupinus albifrons Frank C. Vasek 1958-4-26 580426- 02 Riverside Peninsular Range, Hwy 71, 8.6 mi west of the junction with Hwy 79 [=vicinity of Dripping Springs/Vail Lake, Hwy 79, 8.6 mi west of the junction at Aguanga with Hwy 371] 518 Comment
  JEPS121502  Lupinus arizonicus Adam C. Schneider with Will Freyman 2014-2-16 408 Riverside East side of Highway 177. Comment
  RSA749948  Lupinus arizonicus Justin M. Wood 2009-3-26 415 Riverside Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  SEINET2062825  Lupinus arizonicus B. Pitzer 1998-1-24 3399 Riverside N foot of Chuckwalla Mts. Eagle Mt. Rd., Si side of Hwy I-10, 0.8 mi S of Hwy at powerline rd & wash directly S of rd. 499 Comment
  SEINET4035698  Lupinus bicolor var. microphyllus O. M. Clark 1929-1 113 Riverside South Cabazon, southern California. Comment
  JOTR32190  Lupinus concinnus Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  RSA793013  Lupinus concinnus Justin M. Wood 2011-4-4 3391 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  RSA395898  Lupinus densiflorus var. lacteus Steve D. Boyd 1986-4-22 1763 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  SBBG94915  Lupinus excubitus E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of Pechanga Indian Reservation 365 Comment
  UC15781  Lupinus excubitus H. M. Hall Riverside San Jacinto Mountains Comment
  RSA633872  Lupinus excubitus var. austromontanus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38129 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  CAS-BOT-BC216702  Lupinus excubitus var. excubitus H. E. McMinn 1925-7-2 1501 Riverside Tahquitz Trail, Mount San Jacinto Range Comment
  UCR281482  Lupinus excubitus var. hallii Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 91 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  RSA34555  Lupinus formosus N. C. Cooper 1944-7-17 1420 Riverside San Jacinto Mtns, above Banning. 1220 Comment
  SEINET2062637 Image available Lupinus formosus Norman C. Cooper 1945-5-5 2225 Riverside San Gorgonio Mts. Above Banning 914 Comment
  CLARK-A1528-2839  Lupinus hirsutissimus John C. Roos 1938-4-4 731 Riverside La Sierra Comment
  RSA0012054  Lupinus hirsutissimus Steve D. Boyd, Susan Jett 2008-3-20 11827 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  RSA678414  Lupinus hirsutissimus Michael Wall 2003-4-6 312 Riverside Vacant lot off Ramona Expressway at Donna Ave adjacent to Soboba Health Clinic. Property for sale and future housing development. 506 Comment
  SBBG98285  Lupinus hirsutissimus N. C. Cooper 1944-4-22 1114 Riverside Banning 701 Comment
  RSA796513  Lupinus latifolius subsp. parishii Robert F. Thorne, E. W. Lathrop 1977-5-18 49723 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UC15837  Lupinus latifolius var. parishii H. M. Hall July, 1901 2554 Riverside Fuller's Mills Mountains , Fuller`s Mills Mountains (San Jacinto Mountains) 2286 Comment
  OBI48505  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  SEINET7062849 Image available Lupinus microcarpus var. microcarpus A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore along Railroad Canyon Road. UTM Zone 11, 473624mE, 3725049mN. (WGS84/NAD83). 472 Comment
  CLARK-A1045-233  Lupinus sparsiflorus George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  POM12738  Lupinus sparsiflorus Philip A. Munz 1922-4-29 5097 Riverside Dripping Spring, Temecula Creek. 549 Comment
  UCR92802  Lupinus sparsiflorus Scott D. White 1994-3-29 1934 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA528095  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White 1991-4-10 91 -62 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road 518 Comment
  RSA617297  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1937-04 300 Riverside Mojave Desert: Palm Springs. Comment
  RSA278318  Lupinus succulentus C. W. Tilforth 1979-4-11 1788 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  UCR98860  Lupinus succulentus A. C. Sanders, G. Helmkamp 1997-3-15 19989 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA487545  Lupinus truncatus 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
  UCR16262  Lupinus truncatus Kenneth Hibberd 1966-3-26 660326- 5 Riverside One half mi. south of Van Buren and 2 mi. east of Mockingbird Road, Riverside. 366 Comment
  JOTR31817  Lycium andersonii La Doux, Tasha, Bill Truesdell 2007-11-9 2523 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Canyon parallel to and east of Lost Palms Canyon (Stop 5) 651 Comment
  POM4210  Lycium andersonii C. F. Baker 1904-4-4 12466 Riverside Elsinore. Comment
  UC219228  Lycium andersonii P. A. Munz 1922-4-29 5115 Riverside Agunaga Aguanga 609 Comment
  JOTR31075  Lycium cooperi La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2338 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  UCR89527  Lycium cooperi Bern Schwenn 1994-4-9 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine. In 3rd canyon on N side 1085 Comment
  RSA69830  Machaeranthera asteroides J. C. Roos 1951-10-19 5330 Riverside Gilman Hot Springs 459 Comment
  POM12800  Madia gracilis P. A. Munz 1922-6-23 5768 Riverside Keen Camp 1524 Comment
  RSA561880  Madia gracilis Steve Boyd, Timothy S. Ross 1992-6-10 7629 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  RSA495430  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2956 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  CLARK-A1528-617  Malacothamnus fasciculatus Stanley W. Austin 1969-5-8 28 Riverside Riverside 365 Comment
  RSA0103965  Malacothamnus fasciculatus Duncan S. Bell, LeRoy Gross 2015-3-10 7768 Riverside San Gorgonio Wilderness area; Mission Creek; just below (south of) the San Bernardino/Riverside county border. 830 Comment
  RSA0064475  Malacothamnus fasciculatus John F. Emmel 1995-7-16 1381 Riverside San Jacinto Mts.; Rouse Ridge road, 3.5 road miles northwest of Rouse Hill summit (6.4 road miles SSE of Cranston Ranger Station). 1127 Comment
  RSA0087583  Malacothamnus fasciculatus Norman C. Cooper 1944-7-15 1591 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  CAS-BOT-BC345285  Malacothrix californica H. M. Hall 1901-6-1 2182 Riverside San Jacinto Mountains. Thomas Valley 1371 Comment
  HSC5997  Malacothrix californica C. L. Hitchcock, C. V. Muhlick 1964-3-22 23264 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  JOTR31996  Malacothrix coulteri La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2226 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  RSA703369  Malacothrix glabrata LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1442 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SD224860  Malacothrix glabrata G. K. Helmkamp 1998-4-4 3140 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) and CA hwy 177 (Desert Center-Rice Rd.) 456 Comment
  UC68994  Malacothrix glabrata H. M. Hall April, 1905 5878 Riverside Chuckawalla Bench Colorado Desert Comment
  CSUSB1015  Malva parviflora Leland R. Dykes 1962-4-22 46 Riverside Palomar Road at San Mateo Canyon turnoff, in Murrieta. Comment
  UCSB45543  Malva parviflora Roos, John; Roos, Lucille 1951-5-5 Riverside Fairmont Park, Riverside Comment
  POM316964  Mammillaria dioica Edward Anderson 1962-2-24 1836 Riverside On the Palms to Pines highway out of Palm Springs. Northeast of the road amoung the rocks near a pull-put by a drinking fountain. San Jacinto Mountains. Comment
  UC403445  Mammillaria tetrancistra P. A. Munz, D. D. Keck 1921-12-31 5012 Riverside Andreas Canyon Palm Springs Comment
  CSUSB589  Marah macrocarpa I. Rauch 1968-2-15 Riverside Santa Ana Mountains Santa Ana Mountains, Tin Mine Canyon Comment
  POM48322  Marah macrocarpa E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, . San Jacinto Mts. Comment
  RSA522725  Marah macrocarpa Bob Boyd 1990-3-29 3830 Riverside Vail Lake Area, cinder cone ridge at N side of the Mouth of Temecula Creek Cyn and adjacent benches on S flank ofBig Oak Ntb, 396 Comment
  UC28952  Marah macrocarpa W. H. Brewer Jan, 1861 150 Riverside Temescal Mountains Comment
  UCR92444  Marah macrocarpa A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18099 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  JOTR36435  Marina parryi La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3406 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  SEINET2063252 Image available Marina parryi B. Pitzer 1988-3-10 646 Riverside W side of Chuckwalla Mts., on gas line road ca. 1.5 mi N of intersection with Red Cloud Mine Rd.; ca 2 mi. S of I-10. 487 Comment
  UCR240066  Marina parryi A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40504 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCR22046  Marrubium vulgare Steve Boyd 1980-5-11 238 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
  UCR4135  Marrubium vulgare Ronald M. Cope 1965-3-25 s.n. Riverside Riverside, valley 0.5 mi. west of where Gage Canal goes underground after having crossed Le Conte Drive. Comment
  SDSU21703  Marsilea vestita subsp. vestita Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3994 Riverside Santa Rosa Plateau Ecological Reserve, near boardwalk overlook. Approximately 1.1 km east of parking area for vernal pool trail, parking lot ca. 4 miles north on road from Visitor's Center. 624 Comment
  RSA716815  Matricaria globifera A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course. 439 Comment
  RSA720654  Matricaria globifera John Green 2005-5-4 s.n. Riverside SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base. 534 Comment
  RSA714659  Matricaria occidentalis A. C. Sanders, Guy Bruyea 2004-4-2 27420 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtn., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  RSA715693  Matricaria occidentalis A. C. Sanders 2003-5-9 26580 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA793925  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  UCR207484  Maytenus boaria O. F. Clarke 2003-4-21 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  UCR37678  Medicago sativa George K. Helmkamp 1984-5-2 D- 01 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  POM8822  Melica frutescens I. M. Johnston 1920-5-8 2274 Riverside Butte due west of Lakeview Comment
  SD146086  Melica frutescens A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23442 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd., and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 438 Comment
  CAS-BOT-BC281599  Melica imperfecta H. M. Hall 1901-6-1 2079 Riverside In the vicinity of Chalk Hill, San Jacinto Mts 1463 Comment
  POM9732  Melica imperfecta Mary F. Spencer 1921-4-16 1842 Riverside Banning. Comment
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Mar 13 2011
  UCR241661  Melica imperfecta T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 341 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR281479  Melica imperfecta Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 81 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  SDSU13598  Melilotus indicus W. Miller 1972-8-10 Riverside Comment
  RSA244817  Melilotus indicus E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood Creek. About 20 miles south of Hemet. 915 Comment
  CLARK-A1528-3103  Mentha spicata John C. Roos 1952-8-6 5881 Riverside Fairmont Park 259 Comment
  UCR251994  Mentzelia A. C. Sanders, T. B. Salvato 2014-7-2 41158 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  CDA36649  Mentzelia albicaulis G. D. Barbe, T. C. Fuller 1973-2-27 1050 Riverside 0.2 mile east of Coachella Canal on Highway 195, Box Canyon Wash, northeast of Mecca. 0 Comment
  LA210637  Mentzelia albicaulis Elizabeth Levine; 1949-5-22 s.n. Riverside At the Hurkey Creek Camp Grounds. Comment
  CSUSB822  Mentzelia involucrata M. Quinlan 1974-4-18 Riverside Found in Riverside county about 4 miles from Palm Springs in the Agua Caliente Indian Reservation located in the San Andreas canyon. 304 Comment
  UC1922408  Mentzelia involucrata Naomi Fraga, Lisa Rojas 2005-2-10 1358 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC872489  Mentzelia involucrata C. L. Hitchcock 1940-3-29 5855 Riverside ca 100 yards e Spring; Cottonwood Canyon Comment
  UCR119342  Mentzelia involucrata B. G. Pitzer 2000-5-7 4134 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR124003  Mentzelia involucrata George K. Helmkamp, E. A. Helmkamp 2001-4-14 6467 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  UCR200296  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11219 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  POM15051  Mentzelia involucrata var. megalantha Mary F. Spencer 1922-3-29 1990 Riverside Mecca -49 Comment
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May 29 2011
  RSA342562  Mentzelia involucrata var. megalantha Robert F. Thorne, C. W. Tilforth 1980-5-28 54193 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  CLARK-A1045-189  Micropus californicus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  RSA515309  Micropus californicus Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau: S of town of Murrieta, S of Mesa de Burro and NW of Mesa de la Punta. 610 Comment
  SBBG101787  Micropus californicus S. Boyd with Mistretta 1991-5-9 6179 Riverside lower flank along Bedford Truck Trail on ridge between Bedford and McBride Cyns Comment
  PASA330  Microseris douglasii Frank W. Peirson 1922-4-30 Riverside 1 mile west of Lakeview 426 Comment
  POM13713  Microseris douglasii subsp. douglasii P. A. Munz 1922-4-30 5123 Riverside Lakeview, alkali mud flat along San Jacinto River Comment
  UCR88169  Microseris douglasii subsp. douglasii Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Creekside, east of Dunlap Dr. and north of San Jacinto Ave. 433 Comment
  UCR182350  Microseris douglasii subsp. platycarpha Mitch Provance 2005-5-17 6552 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
  UCR97275  Microseris douglasii subsp. platycarpha D. E. Bramlet 1995-4-26 2398 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, S facing slope adjacent (N) of the water tank maintenance road (road from BM 1487), c. 671m east of the entrance road, at junction of maintenace road and road to Tucalota Creek 476 Comment
  UCR162284  Microseris lindleyi S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR18670  Microseris lindleyi John C. Roos 1950-4-5 4721 Riverside Peninsular Range, Box Springs Mtns., north side of Pigeon Pass 427 Comment
  RSA95082  Microseris lindleyi F. W. Peirson 1921-3-22 2381 Riverside Murray Canyon, south side in canyon 457 Comment
  SEINET2445403  Mimulus aurantiacus Daphne K. Christopher, Hannah Stevens 2003-4-6 103 Riverside Uc Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA271860  Mimulus aurantiacus var. pubescens C. W. Tilforth 1978-4-30 1566 Riverside Low rounded hills east of Norco. Comment
  UC922688  Mimulus aurantiacus var. pubescens Annie M. Alexander and Louise Kellogg 1940-3-21 888 Riverside 20 mi s Twenty Nine Palms (Barker Dam); Mohave Desert 1322 Comment
  UCR234758  Mimulus aurantiacus var. pubescens A. C. Sanders, John F. Green 2012-6-25 40313 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  UCR241634  Mimulus aurantiacus var. pubescens T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 352 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA285893  Mimulus aurantiacus var. puniceus D. C. Michener 1982-5-24 4048 Riverside Main divide truck route to Santiago Peak ca 6 mi. north of El Cariso. Comment
  SDSU12270  Mimulus aurantiacus var. puniceus Jeremy Mass, Ryan Jacobsen 2000-4-19 17 Riverside Near fork in the road leading down to the canyon and growing throughout Stone Creek area near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  SDSU13462  Mimulus aurantiacus var. puniceus Robin P. Silverstein, Taxonomy of Calif. Plants class, M. G. Simpson, instructor 2000-4-1 5 Riverside Santa Margarita Ecological Reserve. East side of river, 200 m down-river from cement bridge crossing river. 1/10th of a mile south of Northside Field Station. 244 Comment
  UC511176  Mimulus aurantiacus var. puniceus Lyman Benson 1932-3-26 3183 Riverside summit Temecula Grade 609 Comment
  UCR91462  Mimulus aurantiacus var. puniceus Scott D. White 1995-3-30 2669 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
  RSA420965  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3318 Riverside Desert Center. 610 Comment
  UC410543  Mimulus brevipes Mrs. E. C. Van Dyke July, 1928 Riverside along to desert from Idyllwild Comment
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Sep 3 2011
  HSC85392  Mimulus fremontii Steve Boyd 1986-4-19 1698 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  CSUSB1923  Mimulus guttatus Debbie Vigneault 1974-7-8 Riverside Santa Ana River Santa Ana River bottom, near Van Buren Blvd. 259 Comment
  RSA802259  Mimulus guttatus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5006 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR231772  Mimulus guttatus John F. Green 2008-4-23 08- 21 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  SEINET12269984  Mimulus longiflorus H. M. Hall 1902-1 2928 Riverside vicinity of Riverside 457 Comment
  UC495209  Mimulus nasutus Philip A. Munz 1932-3-14 12007 Riverside Magnesia Springs Canyon Coachella Valley 91 Comment
  UCR82901  Mimulus parishii A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15803 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR207639  Mimulus pilosus O. F. Clarke 2005-6-19 s.n. Riverside Peninsular Range; Gavilan Hills, Harford Springs County Park, off Idaleona Rd. 686 Comment
  CLARK-A1528-4269  Mimulus puniceus John C. Roos 1937-5-10 2334 Riverside Elsinore Comment
  CLARK-A1528-4270  Mimulus puniceus John C. Roos 1941-5-17 123 Riverside March Field Comment
  CAS-BOT-BC385089  Mirabilis albida Jean L. Pawek 1964-9-25 635 Riverside Hwy S74 near entrance to Santa Rosa Indian Reservation 1828 Comment
  JOTR29224  Mirabilis albida La Doux, Tasha, Mike Bell 2005-9-15 1337 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  SDSU18647  Mirabilis laevis var. crassifolia C. Matt Guilliams, Jeannine Ross 2008-3-12 526 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  RSA464242  Mirabilis laevis var. retrorsa N. R. Zabriskie, W. M. Zabriskie 1973-4-3 599 Riverside Top of Poorwill Canyon, Andreas Canyon area. Lower east slope of San Jacinto Mountains. 427 Comment
  RSA68292  Mirabilis laevis var. retrorsa Verne Grant, Alva Grant 1951-4-7 15979 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 671 Comment
  UC1136599  Mirabilis laevis var. retrorsa H. S. Yates 1936-4-7 5420 Riverside near Whitewater 304 Comment
  SBBG1888  Mirabilis multiflora H. and M. Dearing 1940-6-8 4342 Riverside Pinyon Flat Camp, Palms to Pines Hwy Comment
  SFV20157  Mirabilis multiflora var. pubescens J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .4 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  RSA4943  Mohavea confertiflora Carl B. Wolf 1932-4-27 3054 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA516911  Mohavea confertiflora Steve D. Boyd, Orlando Mistretta 1986-3-13 1453 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA727864  Mohavea confertiflora Naomi S. Fraga, Lisa Rojas 2005-2-10 1359 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC1546688  Mohavea confertiflora Barry A. Prigge 1988-2-21 7846 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well 228 Comment
  UCR102915  Mohavea confertiflora George K. Helmkamp, E. A. Helmkamp 1998-2-5 2659 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  POM9325  Mohavea confertiflora Mary F. Spencer 1920-3-12 591 Riverside Mecca. Colorado Desert, below sea level. Comment
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Sep 7 2011
  JOTR34117  Mollugo cerviana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2667 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
  RSA180383  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-6-9 4944 Riverside 14 miles west of Murrieta. Comment
  SEINET10499560 Image available Monardella macrantha var. hallii Harvey M. Hall Hall 1936 Riverside Palomar Comment
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Jul 19 2020
  IRVC2057  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-11 SJ 381 Riverside Santa Rosa mountain Road; middle of slope 20 degree E. Peninsular Ranges, Santa Rosa Mountains 1829 Comment
  LA96093  Monardella nana Elizabeth McClintock; 1941-5-31 51 Riverside 6 mi from Anza turn off Comment
  LA96097  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 102 Riverside Black Mountain Spring Comment
  RSA750416  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 55 Riverside Road to Santa Rosa Mt. 0.1 miles from Pines to Palms Highway. Comment
  UCR221489  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 078 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 2.3 miles beyond canyon where stream crosses road 2165 Comment
  RSA750306  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside San Jacinto Mts. Trail to Hidden Lake, about 1 mile beyond the cienega. Comment
  UC25480  Monardella nana subsp. tenuiflora H. M. Hall July, 1901 2259 Riverside Fuller's Mills Mountains San Jacinto Mountains 1981 Comment
  UCR221472  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside Peninsular Range; San Jacinto Mtns., trail to Hidden Lake, about one mile beyond [Skunk Cabbage Meadow] the cienega 2439 Comment
  RSA751505  Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Joshua Tree National Park: Among boulders on NE end of Splitrock Picnic Area. 1327 Comment
  UCR123187  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24612 Riverside Mojave Desert, Little San Bernardino Mtns, Split Rock, Joshua Tree National Park, north of 'Ruby' VABM 4351 on west side of road 1296 Comment
  HSC28421  Monoptilon bellioides Richard Spjut 1973-4-5 3265 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  RSA0124042  Monoptilon bellioides Duncan S. Bell, LeRoy Gross 2016-3-10 8890 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
  RSA696851  Monoptilon bellioides J. R. Bruff 1927-3-12 s.n. Riverside 3 mi. S of Garmet; 8 Palms Comment
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Nov 3 2011
  SD28014  Monoptilon bellioides Carl B. Wolf 1932-4-27 3061 Riverside 5.0 miles east of Desert Center. 149 Comment
  UCR214420  Monoptilon bellioides A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37491 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA336205  Montia fontana R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51991 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  POM183877  Muhlenbergia asperifolia P. A. Munz 1932-10-16 12844 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  CAS-BOT-BC275298  Muhlenbergia microsperma C. L. Hitchcock 1940-4-2 5915 Riverside Cottonwood Spring wash, Joshua Tree National Monument Comment
  RSA515339  Muhlenbergia microsperma Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, SW-facing slope on south side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  RSA574749  Muhlenbergia microsperma Steve Boyd 1982-5-20 s.n. Riverside Gavilan Hills region, southeastern flank of Estelle Mountain. 671 Comment
  SEINET10389798  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2015-3-9 41361 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR116787  Muhlenbergia microsperma A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24159 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
  UCR141677  Muhlenbergia microsperma June Latting 1976-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 8 miles west of Wiley's Well Road on I-10, near Ford Dry Lake 120 Comment
  VVC692  Muhlenbergia microsperma P. J. MacKay, C. Sanders 1997-2-8 104 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  UC39890  Muhlenbergia richardsonis H. M. Hall July, 1901 2341 Riverside vicinity of Deer Springs San Jacinto Mountains 2743 Comment
  CAS-BOT-BC515559  Muilla maritima Mitch Provance 2000-4-8 2006 Riverside Jurupa Mountains, south extension of Rattlesnake Mountain, less than 100 meters west of peak 1739 518 Comment
  UCR84604  Muilla maritima Scott D. White 1994-4-21 1953 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR23564  Nama demissa John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  HSC101509  Nama hispida var. spathulata J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12754 Riverside Roadside 455 Comment
  CAS-BOT-BC219361  Nama stenocarpa A. C. Sanders; D. Bramlet; Mihai Costea; T. Salvato 1999-10-15 23173 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  RSA741074  Nassella cernua Scott D. White, Justin M. Wood 2008-6-17 12194 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UC149798  Nassella cernua H. M. Hall April 1902 2921 Riverside vicinity of Winchester 304 Comment
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Mar 20 2011
  POM147628  Nassella lepida F. M. Reed 1926-5-20 5480 Riverside Roadside at Murrieta Comment
  RSA599110  Nassella lepida V. W. Steinmann, D. L. Banks 1996-4-20 844 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  RSA653407  Nassella lepida Mitch Provance, J. Ross 1999-4-1 1735 Riverside Jurupa Mountains: Rocky ridges ca. 0.5 km E of peak 1437 in the W portion of the Jurupa Mountains. 411 Comment
  UCR116959  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2001-5-3 24110 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR274539  Navarretia atractyloides Mitch Provance, Ken Halama 2003-6-15 17057 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR48406  Navarretia atractyloides Steve Boyd 1986-5-7 1848 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  SEINET10458417  Nemacladus longiflorus Secrest 1951-5-18 SECREST s.n. Riverside San Jacinto River bed, few miles east of Hemet Comment
  SEINET10458422  Nemacladus longiflorus Philip A. Munz 1937-5-30 Munz 15088 Riverside Near Vandeverter Flat, Santa Rosa Mts. 1676 Comment
  UCR86150  Nemacladus longiflorus var. breviflorus A. C. Sanders, M. Skinner 1995-4-6 16395 Riverside Sonoran (Colorado) Desert, NW end of Coachella Valley, wash east of Hwy 62 and south of Indian Avenue; 0.45 mi. south of Indian on Worsley Road 500 Comment
  RSA0013618  Nemacladus ramosissimus LeRoy Gross, Duncan S. Bell 2013-4-30 6025 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  SEINET10461042  Nemacladus ramosissimus Hall Hall 1961 a Riverside Comment
  CLARK-A1045-140  Nemacladus rubescens George K. Helmkamp 1978-4-25 Riverside Deep Canyon rocky terrace; Palm Desert 15'Q Comment
  SEINET10840521  Nemacladus rubescens Philip A. Munz, Charles L. Hitchcock 1928-4-3 Munz 10948 Riverside 10 miles northwest of Riggs Comment
  SEINET10906122  Nemacladus rubescens Kenton L. Chambers 1973-3-19 Chambers 3612 Riverside Cottonwood Pass road at south border of Joshua Tree National Monument, 1.0 mile north of junction with Highway 60 Comment
  JOTR34020  Nemacladus sigmoideus La Doux, Tasha, M. Harding 2010-4-7 2907 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
  SEINET10460920  Nemacladus sigmoideus Raven 1958-5-5 Raven 12890 Riverside Along road just west of Split Rock, Joshua Tree National Monument Comment
  RSA98809A  Nemacladus tenuis var. aliformis P. A. Munz 1926-1-31 9979 Riverside Palm Springs. [Dos Palmas Spring] Comment
  RSA421362  Nemophila menziesii H. de Forest 1929-3-16 14644 Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  UCR241489  Nemophila menziesii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 250 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR41360  Nemophila menziesii N. M. Fellows 1985-3-3 88 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  UC64047  Nemophila spatulata H. M. Hall 1901-7 2406 Riverside in meadows or along creeks of Tamarack Valley, San Jacinto Mountains San Jacinto Mountains, Tamarack Valley 2804 Comment
  JOTR01275  Nicolletia occidentalis Cole, James E. 1942-5-24 979 Riverside Joshua Tree National Park. QUEEN VALLEY 1341 Comment
  POM8814  Nicotiana bigelovii var. wallacei Philip A. Munz, R. D. Harwood 1920-5-5 3833 Riverside Near Wineville 457 Comment
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Jun 11 2012
  CLARK-A1528-4354  Nicotiana clevelandii H. A. Zuill 1966-7-1 Riverside Lake Elsinore Comment
  UC68732  Nicotiana clevelandii H. M. Hall 1905-4-29 5967 Riverside McCoy Wash; Colorado Desert 91 Comment
  RSA781023  Nicotiana clevelandii D. Silverman, Onkar Singh 2010-3-27 7861 Riverside McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd., and ca. 6 km N of Blythe Airport 131 Comment
  CSUSB761  Nicotiana glauca Sue Freeman 1966-3-27 Riverside 5 miles east of Yorba Linda cutoff on Highway 91; about 20 yards from stream. 304 Comment
  RSA648308  Nicotiana glauca Mark Hotchkiss 1977-4-12 s.n. Riverside La Loma hills. 0.25 mi. N. of Center St. Comment
  HSC28491  Nicotiana obtusifolia R. W. Spjut 1973-4-10 3289 Riverside Colorado Desert, N face of Chuckawalla Mts. 3-4 mi. S Desert Center 305 Comment
  JOTR30057  Nicotiana obtusifolia La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1690 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  UC170128  Nicotiana obtusifolia E. E. Schellenger 1894-12-3 91 Riverside Chuckwalla Wash; Colorado Desert Comment
  UCR41350  Nicotiana obtusifolia N. M. Fellows, A. C. Sanders 1985-5-7 162 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
  RSA688837  Nicotiana quadrivalvis Scott D. White, Michael Honer 2003-6-17 9543 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  SD4487  Nicotiana quadrivalvis F. G. Woodstock 1928-4-27 Riverside Desert road to Aguanga Comment
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Jul 21 2013
  RSA617997  Nitrophila occidentalis R. E. Riefner 1998-10-15 98 -519 Riverside Elsinore Trough; Lake Elsinore, Palomar Rd. Comment
  UC3806  Nolina parryi H. M. Hall 1901-6-18 Riverside near Van Deventer's (e base of mountains near borders of Colorado Desert); San Jacinto Mountains Comment
  RSA0013355  Notholaena C. P. Cowan 1978-4-23 1202 Riverside 6.3 miles (10 km) south on Highway 74 from its junction with Highway 111 at Indian Wells. 480 Comment
  RSA0124249  Notholaena parryi J. William Thompson 1931-2-23 4043 Riverside Devils Canyon above Coral Reef Ranch. Comment
  RSA785417  Oenothera abramsii Keith E. Hoffmaster 1937-3-16 741 Riverside Near Palm Springs Station Comment
  RSA752092  Oenothera alyssoides Mary Edmunds 1932-3-26 33 Riverside Mc Intyre Ranch-Oasis Coachella Valley. Comment
  CLARK-A1528-669  Oenothera californica Becky Alejandre 1970-5-7 Riverside Riverside 408 Comment
  UC1234729  Oenothera elata subsp. hirsutissima David P. Gregory 1971-7-16 473 Riverside ca. 1 mi down a side rd to se leaving Hwy 395 ca 4 mi s of Temecula Comment
  CAS-BOT-BC427456  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 west of Palen Pass 300 Comment
  UCR121191  Oligomeris linifolia D. E. Bramlet 1991-5-10 2144 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  UCR148854  Oligomeris linifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR72184  Oligomeris linifolia Theo Glenn 1992-3-31 92 20 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCD108100  Olneya tesota T. B. Salvato; A. C. Sanders, Mitch Provance 2000-4-18 49 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
  CAS-BOT-BC474745  Oncosiphon piluliferum R. E. Riefner, Jr. 2015-11-1 15 -430 Riverside City of Perris/Romoland area, Antelope Rd. at McLaughlin Rd. 452 Comment
  CDA34502  Oncosiphon piluliferum Mike Lahti 2011-5-5 PDR# 1357877 Riverside Sun City: Alta Vista Nursery on Sherman Road, near McLaughlin Road. 0 Comment
  CDA7542  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24176 Riverside Perris-Aguanga Basin region; Romoland, onramp to Hwy 215 from Hwy 74, just east of 215 Comment
  UCR282189  Oncosiphon piluliferum Saharat Nilaad 2017-5-1 01 Riverside Moreno Valley, east of March Air base, empty lot SE of the Iris Ave. intersection with Indian St. 457 Comment
  UCD97977  Opuntia basilaris var. basilaris Geoffrey Levin 1974-3-30 7 Riverside Chino Canyon below the tramway. 426 Comment
  RSA7219  Opuntia chlorotica B. D. Stark 1932-6-5 3709 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  RSA355175  Opuntia engelmannii A. C. Sanders 1986-4-21 6467 -B Riverside Bautista Canyon, common on sandy flats and earth dike, twi miles above the dam, SE of Hemet. 610 Comment
  UCR1116  Opuntia littoralis Peter De Gano 1970-5-7 700507- 01 Riverside City of Riverside, on the other side of the orange grove across from 1117 Linden Street 305 Comment
  POM288042D  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  SEINET9192033 Image available Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18358 Riverside 2.5km north of central Banning, 39km NW of central Palm Springs 841 Comment
  RSA7224  Opuntia polyacantha var. erinacea B. D. Stark 1932-5-15 3705 Riverside Rocky hills on Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  POM285585  Opuntia ramosissima Lyman Benson 1949-10-14 14198 Riverside 15 miles east of Indio. 366 Comment
  RSA357375  Orcuttia californica Christopher Davidson 1977-5-25 5650 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  UCR154537  Orcuttia californica Jason L. Hlebakos 2005-5-18 712 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  UCR217551  Orcuttia californica Diane Menuz 2009-5-14 492 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  JEPS85953  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4531 Riverside ca. 16 mi. n.e. Desert Center (along Rice Rd.) Comment
  RSA0072125  Orobanche cooperi G. K. Helmkamp 1998-4-4 3144 Riverside Southern Mojave Desert: junction of CA Hwy 62 (Twentynine Palms Hwy) & CA Hwy 177 (Desert Center-Rice Rd). 457 Comment
  UC68716  Orobanche cooperi H. M. Hall Apr 1905 5836 Riverside Colorado Desert near Salton; Colorado Desert -30 Comment
  UCR20870  Orobanche parishii subsp. parishii A. C. Sanders 1978-9-17 945 Riverside San Jacinto Mtns., James Reserve above Lake Fulmor 1646 Comment
  RSA458997  Osmorhiza brachypoda Gale Sphon 1955-3-4 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  POM5276  Oxalis californica I. M. Johnston 1978-5-30 1998 Riverside Temescal Canyon 366 Comment
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Apr 6 2013
  RSA788875  Oxytheca caryophylloides Gary D. Wallace 2003-7-8 4049 Riverside Hidden Lake. Comment
  UCR217651  Oxytheca caryophylloides Karyn L. Drennen, Kim Sparks 2010-6-17 12 Riverside San Jacinto Mountains, Along Black Mountain Road (4S01), 2.6 km east of Lake Fulmor and 1.85 km south-southeast of Black Mountain. 1808 Comment
  RSA740917  Oxytheca emarginata Scott D. White, Justin M. Wood 2008-7-10 12445 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  JEPS44379  Oxytheca trilobata Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4277 Riverside 1.8 mi above Mountain Home Spring (on road to Santa Rosa Mountain) Comment
  RSA652108  Paeonia californica Don Fells 1948-2-15 s.n. Riverside 1/3 mile SE from 6th and California, Norco. 229 Comment
  UC64122  Paeonia californica H. M. Hall 1897-2-27 370 Riverside Rawson Comment
  CAS-BOT-BC327889  Palafoxia arida L. A. Greata 1905-4-1 391 Riverside Coachella Comment
  CAS-BOT-BC327944  Palafoxia arida W R O no date on sheet 0423 Riverside Abandoned gravel pit between Colorado aqueduct and Granite Mts. Comment
  UCR41271  Palafoxia arida B. G. Pitzer 1986-2-9 0003 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  JEPS30724  Palafoxia arida var. arida Peter H. Raven 1962-4-7 17119 Riverside San Gorgonio Pass E of Banning 396 Comment
  POM363742  Palafoxia arida var. arida L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  UCR41240  Parietaria hespera var. hespera N. M. Fellows, A. C. Sanders 1985-4-9 147 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR132711  Parkinsonia aculeata A. C. Sanders, O. F. Clarke 1991-6-10 11124 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA0045572  Parosela emoryi Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs. Comment
  CLARK-A1528-4941  Pectis papposa John C. Roos 1946-9-14 3004 Riverside Asbestos Mountain 1005 Comment
  UCR24516  Pectis papposa K. K. Muller 1971-11-7 2981 Riverside Sonoran (Colorado) Desert, arroyo just south of US 60 opposite S entrance to Joshua Tree National Monument Comment
  JEPS26051  Pectis papposa var. papposa Lewis S. Rose 1959-1-8 59004 Riverside La Quinta 15 Comment
  RSA780560  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 60 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  RSA782001  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 110 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
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Apr 1 2019
  UCR260863  Pectocarya anisocarpa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41475 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  POM36803  Pectocarya heterocarpa P. A. Munz 1932-3-14 11993 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  UCR272257  Pectocarya heterocarpa Duncan S. Bell, Thomas R. Stoughton 2010-3-19 578 Riverside Mojave Desert, west side of the Arica Mountains, within the Palen/McCoy Wilderness area, c. 2.5 air miles west of Priest Well 418 Comment
  UCR116972  Pectocarya linearis A. C. Sanders, T. B. Salvato 2001-5-3 24097 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR155081  Pectocarya linearis A. C. Sanders, Kelly Volansky 2005-3-17 29222 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UC50359  Pectocarya linearis subsp. ferocula H. M. Hall Apr. 1903 3725 Riverside Vicinity of Riverside; in the Sonoran Zone 365 Comment
  RSA594526  Pectocarya penicillata D. L. Banks, Dylan Hannon 1996-5-3 1006 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  UCR281239  Pectocarya penicillata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 51 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  UCR94246  Pectocarya penicillata Scott D. White 1996-4-14 3921 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  JOTR34344  Pectocarya platycarpa Andre, Jim 2012-4-11 20691 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
  POM368742  Pectocarya platycarpa Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCD120138  Pectocarya platycarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1454 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  UCR92606  Pectocarya platycarpa George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  OBI28391  Pectocarya recurvata Robert F. Hoover 1969-4-11 11214 Riverside N of Morongo, Valley Cyn Comment
  UC2015644  Pectocarya recurvata A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16080 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR116618  Pectocarya recurvata A. C. Sanders 2001-3-20 23834 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  UCR84837  Pectocarya recurvata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16208 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  POM13104  Pectocarya setosa P. A. Munz 1922-5-20 5497 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  RSA769769  Pectocarya setosa Duncan S. Bell, Joy England 2010-5-17 1002 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  UCR174257  Pellaea andromedifolia A. C. Sanders, T. B. Salvato 2006-6-2 33065 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-BC71396  Pellaea mucronata Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA686926  Pellaea mucronata Gale Sphon 1955-5-21 21 Riverside 5 miles south of Banning Comment
  UCSB30926  Pellaea mucronata Parker, V. 1974-4-5 Riverside Maze Rock Park, Hemet, California 365 Comment
  LA105726  Pennisetum setaceum Dave Hawks; 1986-4-17 sn Riverside Whitewater River channel, 1 mi S of Hwy I-10 and 2 mi. W of Indian Ave, 259 Comment
  CHSC1849  Penstemon antirrhinoides E. Thomas 1940-3-10 Riverside San Jacinto Foothills. Comment
  UCR47791  Penstemon californicus D. C. Michener, W. Wisura 1982-6-8 4052 Riverside San Jacinto Mtns., Slopes on NE side of Garner Valley immediately adjacent to valley floor just NW of the junction of Morris Ranch road & Calif. Hwy 74. Comment
  UCR133452  Penstemon centranthifolius Tracy Tennant, J. S. Ross 1998-5-7 MOR- 80 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon, c. 0.6miles NNW of Cabazon. 1280 Comment
  RSA607430  Penstemon labrosus Claire R. Wheeler 1931-3-3 179 Riverside Strawberry Valley. Comment
  POM4262  Penstemon spectabilis H. M. Hall 1902-04 2923 Riverside Vicinity of Riverside 366 Comment
  RSA516747  Penstemon spectabilis Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCSB26820  Penstemon spectabilis Wilken, Dieter 1969-6-30 Riverside California State Highway 74, 0.5 miles west of Keen Camp Summit, San Jacinto Mtns. Comment
  UCR268278  Penstemon spectabilis var. subviscosus Jim Andre 2012-6-15 30503 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
  RSA562425  Pentachaeta aurea D. E. Bramlet 1993-4-26 2335 Riverside Peninsular Range Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  UCR261119  Pentagramma triangularis Joseph Cahill 2011-1-29 111- 20 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, c. 1.4 miles west of intersection of South Palm Canyon Dr. and Murray Canyon Dr., SW of Palm Springs 403 Comment
  RSA0070828  Pentagramma triangularis P. A. Munz, I. M. Johnston 1922-5-20 5464 Riverside San Jacinto Mountains: Pipe Creek, Hemet Valley. 1402 Comment
  HSC47345  Peritoma arborea R. W. Spjut, Judy Adams 1978-11-22 5236 Riverside Colorado Desert, N of N Palm Springs along Indian Ave. 0 Comment
  CAS-BOT-BC77489  Peritoma arborea var. angustata Carl B. Wolf 1932-4-26 2985 Riverside Colorado Desert, 8 mi. E. of Mecca, on Blythe Road 91 Comment
  CAS-BOT-BC77496  Peritoma arborea var. angustata Roxana S. Ferris 1918-6-14 990 Riverside At Shavers Well in Box Canyon, Chocolate Mts. Comment
  CAS-BOT-BC77527  Peritoma arborea var. arborea Ivan Johnston 1917-4-4 1057 Riverside Palm Canyon 457 Comment
  CAS-BOT-BC355996  Perityle emoryi L. R. Abrams 1926-3-26 11012 Riverside Palm Springs Comment
  RSA0062769  Perityle emoryi Duncan S. Bell, Evan Meyer 2014-10-21 7651 Riverside Orocopia Mountains; northwestern section of the range; in the vicinity of Hotel California; about 3 air miles northwest of the summit of the Orocopia Mountains. 762 Comment
  RSA678350  Perityle emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10465 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
  SBBG8655  Perityle emoryi H. and M. Dearing 1937-4-10 3868 Riverside near Shaver's Well Comment
  UC1070053  Perityle emoryi H. S. Yates 1937-3-24 6473 Riverside near mouth Deep Canyon; Thermal Quad. Comment
  CAS-BOT-BC413483  Persicaria amphibia I. M. Johnston 1918-5-30 2027 Riverside Lee Lake, Temescal Canon [Canyon] 335 Comment
  CLARK-A1045-877  Petalonyx linearis George K. Helmkamp 1977-3-20 Riverside Deep Canyon UCR Boyd Deep Canyon Reserve; sandy bottom of dry wash; ; ; Palm Desert 15'Q 304 Comment
  CAS-BOT-BC167773  Petalonyx thurberi Milo S. Baker 1928-4-3 2793 b Riverside Palm [Canon] Canyon Road to Palm Sps. Comment
  RSA134874  Petalonyx thurberi L. S. Rose 1959-1-10 59008 Riverside La Quinta 15 Comment
  UCD117303  Petalonyx thurberi Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  SBBG69395  Petalonyx thurberi subsp. thurberi M. D. Clary 1928-7-4 515 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  RSA612171B  Petunia parviflora Louis C. Wheeler 1932-7-9 932 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA0121245  Peucephyllum schottii Sherwin Carlquist 1958-10-12 628 Riverside Eagle Mt., pumping station. Comment
  SBBG8665  Peucephyllum schottii K. K. Muller 1952-4-5 559 Riverside ca. 2 mi N of Dos Palmas on rd from Hot Mineral to Mecca-Blythe Hwy Comment
  UC494681  Peucephyllum schottii Philip A. Munz 1932-3-14 12005 Riverside Magnesia Spring Coachella Valley 91 Comment
  SEINET10801061  Peucephyllum schottii David B. Dunn 1948-2-21 Dunn 3664 Riverside Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. On steep banks of wash, clay. Comment
  RSA783082  Phacelia J. D. Olmsted 1959-7-1 701 Riverside Drainage area to Tahquitz Creek. Wellman s Cienega along trail to top of San Jacinto Peak NE of Idyllwild. 2805 Comment
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Oct 18 2012
  RSA166215  Phacelia ambigua Donald Myrick 1964-3-26 789 Riverside Joshua Tree National Monument, 15 miles S of 29 Palms. 762 Comment
  NY43345  Phacelia crenulata C. R. Annable 1995-3-15 2280 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  GMDRC3555  Phacelia crenulata var. ambigua J. Andre, T. La Doux 2009-2-25 10831 Riverside Big Maria Mountains: along Hwy 95 (west side of highway), approx 15 mi. N. of Blythe. USGS 7.5 min. Quad: Big Maria Mountains 33 deg. 44.529' N 114 deg. 30.988' W. Elev. 308 ft. 94 Comment
  RSA156048  Phacelia curvipes Peter H. Raven 1962-5-18 17756 Riverside Junction [of] Main Divide Truck Trail with Ortega Highway, Santa Ana Mountains. 701 Comment
  RSA525673  Phacelia distans Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4544 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  SD178224  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. In open area on gentle slope at foot of hills. 377 Comment
  SD72092  Phacelia distans John Thomas Howell 1930-5-10 4791 Riverside St. John's Grade Comment
  UC1922055  Phacelia distans Scott D. White, Angelia Carey 2004-4-5 10016 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UC56705  Phacelia distans Geo. R. Hall 1901-3-17 Riverside Riverside 304 Comment
  UC702033  Phacelia distans Frank W. Gould 1943-4-17 2104 Riverside on Elsinore road 12 mi s Corona Comment
  UCR115934  Phacelia distans Mitch Provance 1998-4-7 1777 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon 396 Comment
  UCR91406  Phacelia distans Scott D. White 1995-4-5 2721 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  JOTR31994  Phacelia fremontii La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2224 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  POM46987  Phacelia imbricata subsp. patula Mary F. Spencer 1919-7-2 1237 Riverside San Jacinto Mt. 1646 Comment
  RSA588176  Phacelia imbricata subsp. patula D. L. Banks, V. W. Steinmann 1995-7-10 742 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 561 Comment
  SD58477  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 768 Riverside Along edge of Saunders Meadow, near Idyllwild, San Jacinto Mountains. Comment
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Nov 2 2008
  UCR8339  Phacelia imbricata subsp. patula B. Freeman 1969-7-25 690625- 34 Riverside San Jacinto Mtn., University of California James Reserve, Trailfinders' Camp, near Lake Fulmor, on road from Banning to Idyllwild 1646 Comment
  SEINET10638467  Phacelia lemmonii Philip A. Munz 1937-5-29 Munz 15101 Riverside damp banks, Shumway, edge of Pinyon Flat, Santa Rosa Mts. 4000 feet. 1220 Comment
  JEPS24830  Phacelia minor Peter M. Ray 1949-3-12 1353 Riverside 2 mi w Whitewater (n side of valley); Coachella Valley 457 Comment
  RSA654551  Phacelia minor Bruce Albert 1982-4-17 77 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  RSA699774  Phacelia minor Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  UCR177025  Phacelia minor Tracy Tennant 1998-6-5 1030 Riverside Peninsular Range, east side of Roundtop Mtn. and along Sage Road 732 Comment
  UCR261177  Phacelia minor A. C. Sanders, Katie Young, John Hale 2015-4-22 41603 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
  RSA645620  Phacelia minutiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12149 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  POM48892  Phacelia mutabilis P. A. Munz, I. M. Johnston 1924-7-27 8745 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  UC68789  Phacelia neglecta H. M. Hall 1905-5-1 5955 Riverside near Paloverde; Colorado Desert 91 Comment
  SD225001  Phacelia parryi G. K. Helmkamp 1998-4-3 3063 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. 395 Comment
  SDSU13319  Phacelia parryi Ryan Jacobson, Jeremy Mass 2000-4-19 13 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  POM183984  Phacelia pedicellata P. A. Munz 1932-3-14 12012 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  CAS-BOT-BC145002  Phacelia ramosissima var. latifolia Edmund C. Jaeger 1925-5-2 s.n. Riverside Keyes Water Canyon, Box Springs Mtn. Comment
  RSA747864  Phlox austromontana Justin M. Wood 2009-5-11 683 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  UCR14559  Pholisma arenarium R. Kniffen, J. Kniffen 1974-5-19 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument [now National Park], Queen Valley 1341 Comment
  UC2015544  Pholistoma membranaceum A. C. Sanders with P. MacKay, G. MacKay, A. Knapp and C. Sanders 1995-2-19 15935 Riverside San Bernardino Mountains/Coachella VAlley, Mission Canyon, 1.75 mies above highway 62. Comment
  UC605036  Pholistoma racemosum S. B. Parish 1880-6-12 Riverside near Agua Caliente Comment
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Sep 16 2016
  UC2015687  Phoradendron bolleanum A. C. Sanders 1995-4-13 16482 Riverside San Bernardino Mtns./Colorado Desert: Devil's Garden, E end of the mtns., 2.1 mi. W of Hwy 62 on Pierson Av. & dirt extension, 1.7 mi. above Sierra Bl. Comment
  CAS-BOT-BC135103  Phoradendron californicum Roxana S. Ferris 1918-6-15 997 Riverside in a wash 12 miles E of Showers Well Comment
  JEPS42602  Phoradendron californicum S. B. Parish 1920-3-26 20010 Riverside Colorado Desert, Indian Wells Comment
  JOTR29445  Phoradendron californicum La Doux, Tasha, Mike Bell 2006-3-8 1343 Riverside Joshua Tree National Park. Hayfield spring Comment
  UC483744  Phoradendron californicum F. R. Fosberg 1932-3-13 8089 Riverside Coachella Valley, Thousand Palms Canyon Comment
  UCR48554  Phoradendron californicum J. Glazner 1985-3-24 s.n. Riverside San Bernardino Mtns., Whitewater Canyon, 3 mi. north of I-10 and 1 mile south of Whitewater trout co. 442 Comment
  CLARK-A1528-4421  Phoradendron longispicum John C. Roos 1952-3-26 5420 Riverside Riverside 259 Comment
  RSA520086  Phoradendron villosum Steve D. Boyd, David E. Bramlet 1988-10-8 2878 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  JOTR31882  Physalis crassifolia La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2134 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  POM184546  Physalis crassifolia C. Leo Hitchcock 1932-4-7 12201 Riverside Corn Springs, Eastern Riverside. Comment
  RSA515207  Physalis crassifolia Steve D. Boyd 1986-3-13 1483 Riverside West Side Palen Mountains: NE of Desert Center; First large canyon at NW tip of western segment of range. Comment
  UC566780  Physalis crassifolia H. L. Mason 1928-3-10 4185 Riverside Whitewater River Comment
  UCD126806  Physalis crassifolia L. S. Rose 1936-1-1 s.n. Riverside 19 miles north of Indio, Aqueduct Road. 609 Comment
  UCR20833  Physalis crassifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1318 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR263657  Physalis crassifolia David Fraker, Aaron C. Sedgwick 2012-3-22 026 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  UCR182304  Physalis greenei Mitch Provance 2004-4-18 7601 Riverside Granitic Knolls of Riverside, Riverside, Versity Hill (Coyote Hill), south side of the UCR campus 418 Comment
  POM127068  Pickeringia montana var. tomentosa F. M. Reed 1917-6-3 3949 Riverside Main Street Canyon , South of Corona Comment
  SEINET10612064  Pinus attenuata Porter P. Lowry II 1980-12-6 Lowry II 3125 Riverside Along State Hwy. 74, 14.2 mi SE of jct. with Stae Hwy. 79. San Bernardino National Forest. 1128 Comment
  LA6071  Pinus coulteri Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Tahquitz Peak 1981 Comment
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Mar 29 2014
  UCR55209  Pinus lambertiana J. A. Adams 1965-7-3 341 Riverside San Jacinto Mtns., Azalea Canyon above campground 1829 Comment
  UCSB131  Pinus ponderosa Bobkowski, Jr., Vincent 1960-5-15 Riverside 5.2 miles northwest of Idyllwild on road to banning, San Bernardino National Forest, San Jacinto Mountains Comment
  UCSB147  Pinus quadrifolia Cline, C. 1960-5-15 Riverside 0.2 miles West of Hwy. 74 toward Anza 1066 Comment
  UCR234254  Pistacia atlantica A. C. Sanders, T. B. Salvato 2012-4-27 40097 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  UCR100162  Pityrogramma triangularis Scott D. White 1992-12-16 983 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  UCR234223  Plagiobothrys arizonicus A. C. Sanders, John F. Green 2012-3-20 39975 Riverside Peninsular Range; Gavilan Hills Area, hills east of Lake Elsinore, along Hwy 74 near Meadowbrook Ave. 512 Comment
  SBBG87985  Plagiobothrys canescens B. Wagner 1988-3-9 Riverside Benton Rd and San Diego aqueduct, 0.5 mi E of Winchester Rd, NE of Murrieta 411 Comment
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Mar 20 2011
  UCR172201  Plagiobothrys canescens John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  POM3872  Plagiobothrys leptocladus P. A. Munz, I. M. Johnston 1918-4-27 2123 Riverside Elsinore Lake 366 Comment
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Nov 20 2011
  RSA621634  Plagiobothrys undulatus R. E. Riefner 1998-5-15 98 -303 Riverside Elsinore Trough between Willard and Murrieta Creek, Lake Elsinore. Comment
  UC1536026  Plagiobothrys undulatus Robert F. Thorne 1973-5-23 45525 Riverside Santa Rosa Plateau Mesa de Colorado 609 Comment
  UCR151202  Plantago erecta Steve Boyd 2001-4-12 10413 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
  UCR231759  Plantago erecta John F. Green 2008-4-23 09- 11 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  UCR91452  Plantago erecta Scott D. White 1995-3-30 2672 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
  CLARK-A1528-3426  Plantago insularis John C. Roos 1949-3-26 4123 Riverside Indio Comment
  RSA650895  Plantago major Robert Lindgren 1948-2-10 s.n. Riverside Covina. 183 Comment
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Feb 17 2013
  UCD124526  Plantago major Robert F. Thorne; Steve Boyd and Earl Lathrop 1985-7-18 61174 Riverside Santa Rosa Plateau Nature Conservancy Reserve. Along Cole Canyon. 535 Comment
  JEPS127776  Plantago ovata Adam C. Schneider with Will Freyman 2014-2-16 411 Riverside East side of Highway 177. Comment
  POM305602  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1937-3-2 880 Riverside Blythe, Colorado River bluffs. Comment
  RSA554367  Plantago ovata var. fastigiata Theo Glenn 1992-3-31 92 -12 Riverside N side Eagle Mts, Storm Jade Mine. Comment
  JEPS83148  Plantago patagonica R. P. Allen 1935-3-25 266 Riverside Pinto Basin Comment
  RSA0125295  Plantago patagonica Duncan S. Bell 2016-3-3 8781 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA382936  Platanthera leucostachys Anstruther Davidson 1896-07 s.n. Riverside Strawberry Valley. 2439 Comment
  RSA561508  Platanus racemosa Steve Boyd, Tim S. Ross, D. Bramlet 1992-9-9 7666 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek,, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  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
  RSA445715  Platystemon californicus Frances L. Cramer 1941-5-3 26317 Riverside Joshua Tree National Monument Comment
  UCR142190  Platystemon californicus June Latting 1979-4-8 s.n. Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR19213  Platystemon californicus John C. Roos 1942-5-2 1147 Riverside Mojave Desert, Joshua Tree National Monument [now Park]. Hidden Valley Comment
  UCR222660  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-12-16 08- 369 Riverside Peninsular Range, city of Temecula, Pechanga Parkway at Pechanga Resort Dr. 338 Comment
  UC1608230  Plectritis ciliosa subsp. insignis Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6761 Riverside Tenaja Trail from junction w Morgan Trail south to Pigeon Spring area, San Mateo Canyon Wilderness Area Pigeon Spring; Santa Ana Mountains, San Mateo Canyon Wilderness 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
  JOTR28939  Pleuraphis rigida La Doux, Tasha 2005-3-30 1175 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  CAS-BOT-BC326577  Pleurocoronis pluriseta H. M. Hall 1905-4-16 5795 Riverside Marshall Canyn 11 km. west of Coachella, Colorado Desert 30 Comment
  RSA0034642  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UC604958  Pleurocoronis pluriseta Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9572 Riverside 2 mi up Painted Hills; Mecca Hills Comment
  POM10244  Pluchea odorata E. A. Zumbro 1903-05 s.n. Riverside Riverside Comment
  CAS-BOT-BC226798  Pluchea sericea A. C. Sanders; T. B. Salvato 2012-4-27 40092 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, 265 m NW of El Hermano Rd. 310 Comment
  RSA740654  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12266 Riverside Meadows at Baldy Mtn. 1585 Comment
  RSA525343  Poa secunda Steve Boyd, Mark Skinner, A. C. Sanders 1990-4-28 4441 b Riverside Vail Lake area, summit of 'Big' Oak Mtn, N of lake 762 Comment
  SD58949  Polygala cornuta var. fishiae E. Norland 1964-6-17 Riverside Just east of Riverside County line on Hwy 74 Comment
  UC1192350  Polygonum argyrocoleon Malcolm A. Nobs and S. Galen Smith 1948-9-3 501 Riverside 2 mi n Indio; Imperial Valley Comment
  UCR162954  Polygonum argyrocoleon Fred M. Roberts, D. E. Bramlet 2005-4-1 6142 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  RSA689922  Polypodium californicum Gale Sphon 1959-5-2 321 Riverside Horsetheif Canyon, Elsinore Mountains. Comment
  RSA736306  Polypogon interruptus Scott D. White, Justin M. Wood 2008-5-13 11953 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  CAS-BOT-BC72264  Polystichum imbricans subsp. curtum John Thomas Howell 1927-8-2 2932 Riverside top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  UCR125293  Populus nigra A. C. Sanders 2002-11-21 25634 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  CAS-BOT-BC356160  Porophyllum gracile Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2206 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR54039  Portulaca oleracea A. C. Sanders 1988-11-6 8738 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  SD247494  Potentilla glandulosa Tracy Tennant, Mitch Provance 1998-6-16 MOR 433 Riverside San Bernardino Mountain Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 7.5'Q. 1098 Comment
  UCR16783  Potentilla glandulosa S. Riddell 1973-5-17 730517- 9 Riverside Santa Ana Mtns, Picnic Ground of El Cariso Fire Station on Hwy 74 793 Comment
  UCR201655  Potentilla gracilis var. elmeri Scott D. White, Justin M. Wood 2008-5-15 12005 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR142035  Potentilla rimicola Chris E. True, Robert Cox 2004-9-14 s.n. Riverside San Jacinto Mtns., Fuller Ridge on Pacific Crest Trail, Castle Rocks area 2561 Comment
  CAS-BOT-BC356218  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1941-5-23 2221 Riverside Colorado Desert. 3.5 miles northeast of Cottonwood Spring, Eagle Mountains 762 Comment
  RSA776291  Prenanthella exigua Duncan S. Bell, Amanda Turek 2010-4-10 832 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
  UCR134638  Proboscidea althaeifolia Nancy K. Cione 2004-4-28 s.n. Riverside Chuckwalla Valley, S of Eagle Mtns, NE of Hayfield Dry Lake, near Red Cloud Road 415 Comment
  SEINET10490432  Prosopis glandulosa var. glandulosa David B. Dunn 1948-2-21 Dunn 3663 Riverside PUshawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  CAS-BOT-BC206991  Prosopis glandulosa var. torreyana Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  POM348734  Prosopis glandulosa var. torreyana D. A. Young 1969-4-18 p 354 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  RSA0042162  Prosopis glandulosa var. torreyana Duncan S. Bell, Evan Meyer 2014-4-2 6525 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA784720  Prosopis glandulosa var. torreyana Duncan S. Bell 2012-3-18 3207 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UC16270  Prosopis glandulosa var. torreyana H. M. Hall 1899-5-19 1106 Riverside San Jacinto Lake Comment
  SEINET10489774  Prosopis glandulosa var. torreyana David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-16 Dunn 2863 Riverside Pushawalla Canyon, Indio Hills. Shelf of canyon on the W side and below the main Palm group. Comment
  UC1129890  Prosopis pubescens H. S. Yates 1936-4-8 5451 Riverside 5 mi se Coachella; Thermal Quad. 30 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
  POM296515A  Prunus fasciculata Lyman D. Benson 1954-5-2 15277 Riverside Hidden Valley Camp, Joshua Tree National Monument. Mojave Desert Drainage Area. 1341 Comment
  UC218101  Prunus fasciculata A. Gilman 1922-4-10 Riverside Morongo Pass Comment
  CAS-BOT-BC356354  Psathyrotes ramosissima F. O. Ballou 1926-2-26 s.n. Riverside Painted Canon [Canyon] Comment
  CAS-BOT-BC356340  Psathyrotes ramosissima R. F. Hoover 1966-10-15 10159 Riverside Dead Indian Creek wash, south of Palm Desert Comment
  SEINET2053761 Image available Pseudognaphalium biolettii Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  UCR199566  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR41231  Pseudognaphalium biolettii N. M. Fellows 1985-1-5 67 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
  UCR90753  Pseudognaphalium biolettii Scott D. White 1995-4-5 2737 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SD136918  Pseudognaphalium leucocephalum Steve Boyd 1994-10-14 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area of the Cleveland National Forest. 305 Comment
  SD237349  Psilocarphus brevissimus D. E. Bramlet 1991-5-7 2123 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal. 500 Comment
  UCR126975  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2003-5-9 26589 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UC1260164  Psilocarphus brevissimus var. brevissimus Robert F. Thorne 1974-5-23 44668 Riverside Rancho California, top of Mesa de Colorado Santa Rosa Plateau, Mesa de Colorado 624 Comment
  CLARK-A1528-5058  Psoralea californica John C. Roos 1941-5-10 125 Riverside San Jacinto Mountains Comment
  JEPS41716  Psorothamnus arborescens var. simplicifolius W. L. Jepson 1914-5-17 5982 Riverside Summit of Cottonwood Mountains = Lookout Mountain!; Mohave Desert 1219 Comment
  UCR16206  Psorothamnus arborescens var. simplicifolius Grace Sprague 1968-5-3 s.n. Riverside San Bernardino Mtns., Whitewater Canyon. Comment
  LA205189  Psorothamnus emoryi A. M. Johnson; 1933-4-28 4225 Riverside below Palm Springs, over mountains to Hemet Comment
  UCD108316  Psorothamnus emoryi T. L. Secrest 1950-3-12 s.n. Riverside Near Indio. Comment
  CAS-BOT-BC340915  Psorothamnus schottii C. L. Hitchcock 1940-3-29 5849 Riverside Ca. 12 mi. east of Indio Comment
  POM122472  Psorothamnus schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA404255  Psorothamnus schottii D. A. Young 1969-4-18 P 353 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  SDSU7847  Psorothamnus schottii Thomas A. Zink 1971-4-1 Riverside Alongside Berdoo Canyon Rd. 8 miles north of Dillon Road. 549 Comment
  UCR89663  Psorothamnus schottii Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  UCSB52556  Psorothamnus schottii Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  UC164878  Psorothamnus spinosus S. B. Parish 1912-6-28 8107 Riverside near Mecca (Red Canyon, Colorado Desert); Colorado Desert, near Mecca, Red Canyon Comment
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Nov 24 2011
  CAS-BOT-BC72618  Pteridium aquilinum Carl B. Wolf 1932-8-4 3911 Riverside San Jacinto Mts., Point View, near Idyllwild 1645 Comment
  RSA776687  Pterostegia drymarioides Duncan S. Bell, Amanda Turek 2010-4-10 796 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCD100915  Pterostegia drymarioides Steve Boyd 1986-3-1 1358 Riverside Gavilan Plateau, Gavilan Hills. 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR116989  Pterostegia drymarioides A. C. Sanders, T. B. Salvato 2001-5-3 24074 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR258871  Pterostegia drymarioides T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7906 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
  UCR91519  Pterostegia drymarioides Scott D. White 1995-4-5 2749 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR251354  Pulicaria paludosa S. J. Myers 2014-5-21 1062 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  RSA0081603  Pyrola aphylla R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38139 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. On hill above lake. 1677 Comment
  UCR273238  Quercus Mitch Provance 2012-1-25 17374 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  RSA649673  Quercus X acutidens R. E. Riefner Jr. 2000-6-10 20 -483 Riverside San Bernardino National Forest: Hwy. 74 near Pinyon Flats Campground 1220 Comment
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Apr 3 2011
  RSA543130  Quercus X morehus Steve Boyd 1991-3-16 5468 Riverside Cahuilla Mountain between Anza and Hemet, SW of Bautista Cyn. 1067 Comment
  SBBG119788  Quercus X munzii D. H. Wilken 2005-10-1 Riverside Live Oak Tank, ca. 1 km NE of Jumbo Rocks 1290 Comment
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Nov 6 2011
  UCR138601  Quercus agrifolia var. agrifolia D. L. Banks 1996-11-7 1209 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 0.5 km west of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 427 Comment
  RSA709773  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31556 Riverside San Jacinto Mtns.: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  UCR158904  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31542 Riverside San Jacinto Mtns., Bautista Canyon at confluence with Horse Creek, at entry road to Bautista Conservation Camp on main road 854 Comment
  RSA263706  Quercus berberidifolia E. W. Lathrop 1969-6-5 7092 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SDSU13623  Quercus berberidifolia W. Miller with C. Mosse 1972-7-19 Riverside Comment
  UCR91725  Quercus berberidifolia A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18104 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  CAS-BOT-BC62441  Quercus chrysolepis Scott D. White 1996-8-1 4443 (1 of 2 replicates) Riverside San Jacinto Mts., Idylwild area. North of Strawberry Valley, between Bear Trap Cyn and Lily Creek. 1615 Comment
  UCSB58807  Quercus cornelius-mulleri Muller, Cornelius; Muller, Katherine 1983-4-15 Riverside 1/2 miles S. of Sage Forest Fire Station 13.3 mi. N of agranga, 13.4 mi S. of Hornet 1639 Comment
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May 21 2016
  JOTR36185  Quercus john-tuckeri La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3334 Riverside Joshua Tree National Park. Queen Mountain; near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  POM262901  Quercus palmeri J. C. Roos 1941-5-9 120 Riverside Near summit of Pines to Palms Road Comment
  HSC92902  Rafinesquia californica Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA653157  Rafinesquia californica Mitch Provance 1998-6-6 694 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just E of corner of 29th St. and Scenic Drive 305 Comment
  RSA783426  Rafinesquia californica J. D. Olmsted 1959-5-1 526 Riverside Spring Trail on Beacon Pines Ranch, 9 miles SW of Corona. Santa Ana Mts. 770 Comment
  UCR106423  Rafinesquia californica George K. Helmkamp, A. C. Sanders 1997-3-15 1486 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  RSA444569  Rafinesquia neomexicana Walter Wisura 1988-3-23 4213 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  RSA678380  Rafinesquia neomexicana Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10490 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
  UCR4160  Raphanus sativus R. H. Sauer 1965-3-1 s.n. Riverside City of Riverside, west end of Big Springs Road 335 Comment
  SEINET1004353  Rhamnaceae A. C. Sanders, Mike Misenhelter 2004-1 28836 Riverside Santa Ana Mtns./Santa Rosa Plateau: hill 2139 at west end of the Mesa de Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve(Wildormar 7.5' Q) 640 Comment
  UCR169393  Rhamnus californica subsp. ursina T. B. Salvato, John F. Green 2004-5-27 597 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
  UCR125993  Rhamnus ilicifolia Dave Goodward 2003-1-31 s.n. Riverside Box Springs Mountains, canyon SW of Pigeon Pass Rd, just before it begins climbing, c. 150 m south of the dump 427 Comment
  UCR187283  Rhamnus ilicifolia Diane Menuz, Theresa Johnson 2006-6-15 164 Riverside Peninsular Range; San Jacinto Mtns, San Bernardino National Forest, Bautista Canyon, just off the road c. 1/2 mile below Bautista Spring 762 Comment
  UC22145  Rhododendron occidentale H. M. Hall 1898-7-1 964 Riverside San Jacinto Mountains 1828 Comment
  UCR90985  Rhus aromatica Scott D. White 1996-3-31 3870 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
  RSA605761  Rhus ovata Scott D. White 1996-3-16 3820 Riverside Perris Basin, Lakeview Mts, N of Winchester, at ''Maze Stone'' Picnic Area 610 Comment
  SD122182  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Temecula Gorge, south side of aquaduct crossing. 259 Comment
  SD136940  Rhus ovata Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6744 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero west to junction with Tenaja Trail in north fork Bear Crk. 669 Comment
  RSA592685  Rhus trilobata Scott D. White, Duayne Haselfeld 1996-7-2 4269 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  CAS-BOT-BC92416  Ribes aureum var. gracillimum L. A. Greata 1908-4-6 6894 Riverside Eden Hot Springs 10 miles north of San Jacinto. Comment
  HSC86990  Ribes indecorum Maureen Pendleton 1988-2-22 Riverside Rancho California area, ca. 8 mi. (airline) NW of Temecula, between Bruce Lane and Via View Dr. 701 Comment
  POM15061  Ribes malvaceum var. viridifolium Mary F. Spencer 1922-4-22 1887 Riverside Canyon Prope [near] Banning 701 Comment
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Mar 13 2011
  RSA0022092  Ribes montigenum P. A. Munz 1922-7-7 6046 Riverside Summit of San Jacinto Peak. 3287 Comment
  SD2151  Ribes quercetorum Clyde Searles 1928-11-1 Riverside Near Aguanga Comment
  RSA658886  Ricinus communis Douglas A. Springer 1981-2-16 10 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. Comment
  POM1465  Rosa californica I. M. Johnston 1918-5-30 1992 Riverside Temescal Canyon (between Elsinore and Corona). 366 Comment
  RSA192335  Rosa californica H. A. Zuill 1966-6-5 200 b Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  SDSU13630  Rosa californica W. Miller, C. Mosse 1972-7-20 Riverside Comment
  UCR24927  Rosa californica A. C. Sanders 1980-7-18 1661 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  PASA1195  Rubus parviflorus Sally Ellis 1939-6-24 Riverside Halona Comment
  POM12660  Rubus parviflorus Philip A. Munz 1922-9-6 6385 Riverside North fork of Tahquitz Creek. 2210 Comment
  RSA577526  Rubus ursinus D. L. Banks, Steve D. Boyd 1995-2-16 0051 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  POM14993  Rumex acetosella Mary F. Spencer 1922-6-16 s.n. Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR194213  Rumex conglomeratus Scott D. White, Angelia Carey 2004-6-4 10474 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR40266  Rumex conglomeratus Steve Boyd 1985-7-23 1005 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 5.5 mi west of Rancho California 396 Comment
  CAS-BOT-BC433324  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside Mecca. Salton Sink 57 Comment
  RSA613324  Rumex hymenosepalus D. L. Banks 1997-3-1 1388 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
  UCR178282  Rumex hymenosepalus T. B. Salvato, Tracy Tennant 1998-1 MOR- 800 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  UCR40202  Rumex salicifolius Steve Boyd 1985-7-23 1015 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  RSA764121  Rupertia physodes Linda M. Prince, Duncan S. Bell 2009-6-17 581 Riverside Cleveland National Forest Comment
  RSA383651  Ruppia cirrhosa L. C. Wheeler 1931-11-26 374 Riverside Salton Sea, 2 miles SE Salton Bench Mark. -76 Comment
  POM13991  Salazaria mexicana P. A. Munz 1922-4-9 4885 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UC883833  Salazaria mexicana C. L. Hitchcock 1940-4-1 5905 Riverside 1 mi below Cottonwood Springs (Joshua Tree National Monument); , below Cottonwood Springs Comment
  CAS-BOT-BC129746  Salix bonplandiana E. W. Lathrop 1959-4-17 4490 Riverside 14 miles east of Murrieta, Tenaja plateau, west slope of Rolondo Mesa. Comment
  UC483067  Salix exigua F. R. Fosberg 1932-3-13 8078 Riverside upper palm grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  UCR92246  Salix exigua Scott D. White 1995-7-7 3450 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  CAS-BOT-BC108120  Salix gooddingii Marjorie Clary 1934-3-3 s.n. Riverside Carrizo Canyon [Canon], 18 mi. w. of Indio 304 Comment
  RSA575965  Salix gooddingii Steve D. Boyd 1981-4-10 s.n. Riverside Gavilan Hills region, canyon at southeastern base of 'Rocky Bluff Ridge', east of Estelle Mountain and south of Gavilan Plateau. 610 Comment
  UCR171900  Salix gooddingii John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  POM177828  Salix laevigata Marcus E. Jones 1930-3-2 s.n. Riverside Corona. Comment
  UCR39229  Salix laevigata George K. Helmkamp 1985-4-5 274 Riverside Sonoran (Colorado) Desert; Little San Bernardino Mtns., South of Morongo Valley. Big Morongo Canyon 4 mi downstream from the Big Morongo Reserve Kiosk 579 Comment
  RSA180293  Salix lasiolepis E. W. Lathrop 1965-3-30 5602 Riverside 14 miles W of Murrieta. Comment
  RSA543186  Salix lasiolepis Steve D. Boyd 1991-3-17 5503 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR26204  Salix lasiolepis John C. Roos, L. Roos 1952-3-1 5383 Riverside 2.5 miles north of Moreno by a seep below reservoir 610 Comment
  POM9287  Salix lasiolepis Philip A. Munz, R. D. Harwood 1920-2-28 3260 Riverside 2 mi. southeast of Corona 305 Comment
  UCR109570  Salsola paulsenii R. D. Goeden, Don W. Ricker 1979-3-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  CAS-BOT-BC232920  Saltugilia latimeri Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  UC714913  Saltugilia splendens subsp. splendens R. C. Foster 1937-3-7 63 Riverside near aqueduct (w slope Whitewater Canyon); w slope Whitewater Canyon Comment
  RSA594001  Salvia apiana D. L. Banks, Elizabeth Hedge Banks 1996-5-2 933 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR268587  Salvia apiana Jim Andre 2012-6-15 30543 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA69373  Salvia carduacea G. R. Campbell 1951-5-30 16142 Riverside Just east of Cahuilla. 1098 Comment
  RSA523480  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3940 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA777631  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi S. Fraga 2011-3-17 768 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UCR162396  Salvia columbariae S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR228934  Salvia columbariae A. C. Sanders 2011-4-6 39022 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR4136  Salvia columbariae Ronald M. Cope 1965-3-13 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., small canyon on west side of Whitewater Canyon Road about 2 mi from trout hatchery 549 Comment
  UCSB5770  Salvia columbariae Hawkins, L. 1956-4-14 Riverside at entrance to Whitewater Canyon Comment
  RSA0036088  Salvia columbariae Robert L. Rutherford 1945-5-24 1648 Riverside Big Oaks Canyon, Banning 1219 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
  RSA699687  Salvia greatae J. Mark Porter, Orlando Mistretta 2003-6-5 13621 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  RSA779748  Salvia greatae Duncan S. Bell, Joshua Paolini, Christopher Galley 2011-7-8 2749 Riverside Salt Creek between the Orocopia Mountains and the Chocoloate Mountains, on the north side of the Bradshaw Trail approximately 3.6 air miles northeast of the junction of the Coachella Canal road and Bradshaw road. 181 Comment
  UCR251323  Salvia greatae Michelle Murphy-Mariscal 2014-5-6 50614- 2 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, 0.5 mi. east (88 deg. ) of trestle on Kaiser mine RR at wash crossing, between RR and Bradshaw Rd. 283 Comment
  UCD125587  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mile west of Aguanga. Comment
  UCR107389  Salvia mellifera B. G. Pitzer 1997-3-23 2970 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
  UCR174957  Salvia mellifera Jennifer H. Jones 2006-6-6 384 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  UCR91728  Salvia mellifera A. C. Sanders, J. Goetzen 1996-5-1 18132 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  POM210539  Salvia pachyphylla Victor Duran 1933-7-1 3490 Riverside Near Vandeventer Flat, Santa Rosa Mts. 1677 Comment
  UCLA69751  Salvia vaseyi C. Epling and L. Haines 1937-5-7 Riverside 2 mi below Shumway (Palms-to-Pines Highway) Comment
  SEINET10643229  Sambucus caerulea Greg Gust, Leith Nye 2005-3-10 Gust 533 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  RSA500108  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3663 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA601087  Sambucus mexicana A. C. Sanders, J. Goetzen 1996-5-1 18126 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. 792 Comment
  SD234255  Sambucus nigra subsp. caerulea Wayne Law, Jun Hu 2000-5-16 21 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Firest, above Temescal Valley in Indian Canyon, 11.8 mi. S of Corona (Aberhill 7.5' Q) 395 Comment
  UCR268291  Sambucus nigra subsp. caerulea Jim Andre 2012-6-15 30530 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  RSA621506  Samolus parviflorus D. L. Banks 1997-11-15 2195 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
  SD129451  Sanicula arguta John Adams 1966-4-18 719 Riverside Santa Rosa Plateau, dirt road from Murrieta to De Luz. 760 Comment
  RSA543951  Sanicula crassicaulis Steve Boyd, Orlando Mistretta 1991-5-9 6183 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UCR34989  Sanicula tuberosa L. B. Ziegler 1970-5-14 403 Riverside San Jacinto Mtns, above Hemet Valley on flat top of Pleistocene alluvium 1585 Comment
  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
  UCR252764  Satureja chandleri Karyn L. Drennen 2013-5-17 023 Riverside Santa Ana Mountains, 120 meters west of De Luz Road, 130 meters south of Vernal Pool Trail, along southeast slope of tributary that runs parallel to De Luz Road 350 Comment
  HSC92568  Schismus barbatus Isely, Bragonier 1960-3-22 7196 Riverside Desert Palms. Comment
  HSC27821  Schoenoplectus acutus var. occidentalis Richard Spjut 1973-5-4 3350 Riverside Colorado Desert along water course E of Blythe 305 Comment
  CAS-BOT-BC111020  Scirpus microcarpus Scott D. White 1995-6-30 3418 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. Confluence. 365 Comment
  UCR263718  Scrophularia californica Mark A. Elvin, Tricia Wotipka 2002-4-30 1953 Riverside South Coast Floristic Ecoregion, Badlands east of Riverside, 5 km southwest of Beaumont, La Borde Canyon 793 Comment
  UC887498  Scrophularia californica subsp. floribunda I. W. Clokey, C. B. Clokey, and B Tampleton 1930-4-15 4635 Riverside Gavilan Peak 540 Comment
  CHSC109261  Scutellaria bolanderi subsp. austromontana Scott D. White; Justin M. Hood 2008-7-9 12414 Riverside San Jacinto Mountains; Johnson Meadow. 1451 Comment
  RSA739925  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35626 Riverside May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  RSA761227  Scutellaria siphocampyloides Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 730 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG6521  Scutellaria siphocampyloides H. and M. Dearing 1940-6-9 4361 Riverside Palms to Pines Hwy near Herkey Crk Comment
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Mar 10 2013
  UC1713633  Scutellaria siphocampyloides Mary F. Spencer 1919-6-18 1194 Riverside San Jacinto Mountains Comment
  UCR133501  Scutellaria tuberosa D. C. Hawks 1998-4-20 s.n. Riverside Gavilan Hills, near base of Gavilan Peak 640 Comment
  IRVC3585  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-5-28 SJ 41 Riverside Mountain Center to Hemet Hwy. Peninsular Ranges, San Jacinto Mountains 884 Comment
  RSA770696  Selaginella bigelovii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4798 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA85942  Selaginella bigelovii Frank W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 Comment
  SD134577  Selaginella bigelovii Craig Reiser 1987-5-15 Riverside Barren hills north of Sun City Comment
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Apr 9 2008
  SEINET3864016 Image available Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water.; 0 427 Comment
  UC1177500  Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water; Mission Canyon 426 Comment
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Apr 20 2013
  UC306716  Selaginella bigelovii I. M. Johnston 1918-4-3 1824 Riverside s end Juniper Flat; Lakeview Mts. 609 Comment
  RSA495807  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-12 2916 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UC68959  Senecio californicus H. M. Hall April 1905 5785 Riverside 10 mi w Coachella (Colorado Desert); Colorado Desert 91 Comment
  POM299279  Senecio douglasii var. monoensis A. M. Alexander, Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains 884 Comment
  CAS-BOT-BC323972  Senecio flaccidus var. douglasii Donald A. Johansen 1933-7-14 712 Riverside Mesa Mira, from Yucaipa towards Oak Glen and from there towards Beaumont. 1524 Comment
  CDA27748  Senecio flaccidus var. douglasii Mike Lahti 2008-10-26 PDR# 1509239 Riverside Hemet, found along dry creek bed. 0 Comment
  JOTR36096  Senecio flaccidus var. douglasii La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3374 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  POM14300  Senecio mohavensis P. A. Munz, D. D. Keck 1922-4-9 4796 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
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Apr 5 2011
  RSA614420  Senecio vulgaris D. L. Banks 1997-3-16 1553 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
  UCSB8569  Senegalia greggii Haller, John 1950-5-21 Riverside Coachella Valley, 2 miles up Palms to Pines Highway, near base of mountains Comment
  UCD97029  Sesuvium verrucosum A. C. Sanders; D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  RSA0112042  Setaria adhaerens A. C. Sanders, Jose Aguiar 2012-12-19 40533 Riverside Sonoran (Colorado) Desert: Coachella Valley, NE of Mecca above intersection of Ave. 62 and Johnson St. near Coachella Canal. -8 Comment
  CAS-BOT-BC205599  Sidalcea malviflora A. C. Sanders; Steven R. Hill 2001-5-4 24143 Riverside Santa Ana Mtns. region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Crk. Dr.), E side of Rancho C. Rd. 488 Comment
  SD181452  Sidalcea malviflora Scott D. White 2000-5-3 7764 Riverside Temecula area, near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly south of 'Red Hawk' subdivision; Petchanga [quad]. Occasional to common in A+-mesic grassland. 351 Comment
  UCR122537  Sidalcea malviflora subsp. sparsifolia George K. Helmkamp, E. A. Helmkamp 2001-5-20 6664 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  RSA95373  Sidalcea malviflora subsp. sparsifolia F. W. Peirson 1922-5-20 4309 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  UCR154607  Silene antirrhina A. C. Sanders, Mike Misenhelter 2005-6-15 31001 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
  UCR256094  Silene antirrhina LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6165 Riverside Peninsular Range; San Jacinto Mtns., End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek. Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek 1524 Comment
  SDSU4501  Silene gallica D. Hunsaker 1962-4-10 Riverside 3 miles SW from Temecula. Comment
  CAS-BOT-BC389575  Silene parishii Philip A. Munz 1938-8-13 15329 Riverside Near Santa Rosa Peak 2377 Comment
  SD28100  Silene parishii Carl B. Wolf 1932-8-5 3981 Riverside San Jacinto Mountains; summit of San Jacinto Peak. 3290 Comment
  UC8489  Silene verecunda subsp. platyota H. M. Hall August 1901 2590 Riverside along creeks of Tamarack Valley San Jacinto Mountains, Tamarack Valley 2743 Comment
  UCSB17802  Simmondsia chinensis Lockwood, Leo 1963-5-5 Riverside 12 miles S of Palm Desert on Palms to Pines State Highway 74, San Jacinto Mountains 914 Comment
  UCSB8649  Simmondsia chinensis Haller, Norman 1953-5-24 Riverside 3 1/2 miles S. of Palm Springs Indio Rd. on Hwy. 74 Palms to Pines Hwy. 152 Comment
  RSA0123681  Sisymbrium altissimum Duncan S. Bell, LeRoy Gross 2016-3-9 8860 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  RSA586945  Sisymbrium altissimum D. L. Banks, S. D. Boyd 1995-5-17 474 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., In the drainage immediately E of the spring just inside the wilderness boundary in north-central, section 33. 707 Comment
  RSA431719  Sisymbrium altissimum E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SD125634  Sisymbrium erysimoides A. C. Sanders 1987-4-7 7045 Riverside Riverside: Vacant lot on the north side of Spruce St. between Rustin and Canyon Crest Streets. Was an orange orchard with a house in it. 305 Comment
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Jul 11 2010
  SD125931  Sisymbrium erysimoides A. C. Sanders 1988-1-18 7589 Riverside West end of the Box Springs Mountains on south-facing slopes of Sugarloaf Peak. 580 Comment