Search Results — 2000 specimen records retrieved (1902 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD229022  Abies concolor Dick Schwenkmeyer 2012-8-7 787 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  CSUSB575  Abronia villosa Glen W. Forister 1967-4-2 s.n. Riverside Northwest edge of Palm Springs near Farrell Drive and Alejo Drive. 170 Comment
  JEPS61234  Abronia villosa E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  POM305641  Abronia villosa Henry J. Ramsey, Henry J. Ramsey 1937-3-2 858 Riverside Desert center, Mojave Desert Comment
Read comments
Dec 16 2011
  RSA701495  Abronia villosa M. Wall 1996-5-13 133 Riverside Hemet, Ramona Expressway/Mtn Ave. S of State St on W side of road at 7th St. 457 Comment
  SBBG1870  Abronia villosa H. and M. Dearing 1940-6-8 4357 Riverside near Herkey Crk, W of Ribbonwood Comment
  SBBG35008  Abronia villosa T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  SD216504  Abronia villosa Carol R. Annable 1995-3-9 2256 Riverside Circa 13 kilometers North of Rancho Mirage. BLM land behind A-1 Cement Comment
  UC218065  Abronia villosa P. A. Munz, D. Keck 1922-4-14 4968 Riverside Colorado Desert, Indian Wells 91 Comment
  UC917887  Abronia villosa Frank W. Gould 1943-4-17 2119 Riverside 12 mi s Corona (on road to Elsinore) Comment
  CLARK-A1528-3918  Abronia villosa var. aurita Charles S. Papp 1965-6-13 833 Riverside San Jacinto Comment
  RSA33384  Abronia villosa var. aurita N. C. Cooper 1944-3-25 994 Riverside Cabazon. 457 Comment
  RSA461187  Abronia villosa var. villosa Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Comment
  UCR111992  Acacia greggii A. C. Sanders, T. B. Salvato 2000-4-27 23373 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  CAS-BOT-BC30901  Acamptopappus sphaerocephalus R. S. Ferris; Ruth P. Rossbach 1938-5-15 9539 Riverside 2 miles from Cottonwood Springs, Cottonwood Mts. Comment
  RSA701095  Acamptopappus sphaerocephalus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11273 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., [Coordinates are off a little and map in Riverside Co.] 570 Comment
  POM161531  Acer glabrum var. diffusum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. Comment
  RSA603073  Acer macrophyllum Joseph A. Ewan 1933-3-19 10900 Riverside Tin Mine Canyon, Santa Ana Mountains. Comment
  JEPS36918  Achillea millefolium Carl V. Meyer 1928-7-30 572 Riverside Saunder's Meadow; San Jacinto Mtns., Saunder's Meadow Comment
  POM365987  Achnatherum hymenoides Bonnie C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
  RSA91986  Achnatherum hymenoides F. W. Peirson 1921-3-24 4322 Riverside Whitewater at head of Coachella Valley Comment
  UCR80730  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  OBI8297  Achyronychia cooperi David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12060 Riverside Along Box Cyn Rd, ca. 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  POM47682  Achyronychia cooperi Mary F. Spencer 1920-3-23 1436 Riverside In desert sand near Palm Springs. Colorado Desert. 152 Comment
  SDSU14013  Acmispon argophyllus var. argophyllus Dinna Estrella, M. G. Simpson 2002-4-20 27 Riverside Santa Margarita Ecological Reserve. Road shoulder of Via Tornado Road, near junction with Santa Margarita river. 233 Comment
  SDSU12867  Acmispon glaber var. brevialatus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 20 Riverside Close to river ford in Santa Margarita Gorge directly south of Santa Margarita (SDSU) Field Station trailer. 238 Comment
  SD70398  Acmispon maritimus var. brevivexillus W. L. Jepson 1927-4-12 11640 Riverside Painted Canyon, north of Mecca. 75 Comment
  SBBG36361  Acmispon strigosus T. L. Secrest 1948-4-10 Riverside near Sage Comment
  UCR3464  Acourtia microcephala Tom Painter 1964-5-12 51264 3 Riverside Box Springs Mtns., Two Trees Canyon 445 Comment
  CDA14288  Acroptilon repens R. O'Connell 1998-7-8 s.n. Riverside at Santa Ana River Regional Park. 0 Comment
  SEINET3005005  Adenophyllum porophylloides G. Rink 2011-4-5 10434 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UC667303  Adenophyllum porophylloides Annie M. Alexander and Louise Kellogg 1941-5-15 2181 a Riverside on rocky hillside at north base Eagle Mountains; Colorado Desert, Eagle Mountains 914 Comment
  CAS-BOT-BC167003  Adenostoma fasciculatum A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37809 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
  SD143760  Adenostoma fasciculatum Scott D. White 1997-5-25 5245 A Riverside San Jacinto Mts., Bautista Canyon: Hixon Trail, between trailhead at Bautista Cyn Road and intermittent stream crossing 975 Comment
  RSA650373  Adenostoma fasciculatum var. fasciculatum Jim M. Morrow 1959-5-24 s.n. Riverside Edge of Ortega Hwy, near Elsinore, Cleveland Nat. Forest. 457 Comment
  CAS-BOT-BC139863  Adenostoma sparsifolium Carl Epling 1931-10-4 s.n. Riverside On road between Hemet and Strawberry Valley, San Jacinto Mts. Comment
  CAS-BOT-BC139867  Adenostoma sparsifolium F. Grinnell Jr. 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  CAS-BOT-BC140301  Adenostoma sparsifolium Louis C. Wheeler 1931-10-4 175 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  SDSU14178  Adiantum jordanii Kimberly S Miller, Dr. M. G. Simpson, Derek T Miller 2002-3-17 6 Riverside Santa Margarita Ecological Reserve. Up creek along east side of canyon from where Tornado road crosses Santa Margarita River. Comment
  UCR119274  Agave americana Mitch Provance 1998-6-24 756 B Riverside Jurupa Mountains, Glen Avon Heights, property north of the end of Flemming St., and just south of the Glen Avon Quarry. 259 Comment
  CAS-BOT-BC46156  Agoseris heterophylla H. M. Hall 1901-6-1 2038 Riverside San Jacinto Mountains, south side 1341 Comment
  UCR2113  Agrostis exarata F. M. Reed 1928-7-15 6079 Riverside San Jacinto Mtns., near Strawberry Creek 1616 Comment
  RSA482017  Agrostis idahoensis Richard Noyes, L. Arnseth 1988-9-10 728 Riverside San Jacinto Mountains. Northeast section of Little Tahquitz Valley, 2 air miles northeast of Tahquitz Peak. 2378 Comment
  POM162492  Agrostis oregonensis Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. Comment
  RSA469417  Aliciella latifolia Anstruther Davidson 1920-4-1 3365 Riverside 4 miles from Schavers Well, Mecca Comment
Read comments
Oct 26 2009
  UC164841  Allenrolfea occidentalis S. B. Parish 1917-7-3 8071 Riverside Salton Bridge near Durmid; Salton Sea Comment
  SBBG104701  Allionia incarnata T. Glenn 1991-5-1 91 -53 Riverside McCoy Mtns NW of Blythe Comment
  RSA4925  Allionia incarnata var. villosa Carl B. Wolf 1932-4-28 3073 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
Read comments
Mar 26 2011
  RSA593786  Allium cratericola Jeri Hirshberg 1995-5-19 281 Riverside San Jacinto Mountains, Garner Valley, north of Morris Creek. Comment
  RSA100190  Allium haematochiton I. T. Weeks 1955-5-4 s.n. Riverside 1/2 mile east of Gorgeous George s turkey ranch, northwest of Beaumont. Comment
Read comments
Jun 15 2011
  UCR281245  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 72 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  UCR205451  Allium marvinii Diane Menuz 2008-5-16 447 Riverside Peninsular Ranges: San Jacinto Mts foothills, 3.5 miles SE of Beaumont, c. 300 meters from Highland Springs Rd. near entrance to Potrero 728 Comment
  UCR215368  Allium marvinii Fred M. Roberts 2006-5-11 6333 Riverside Peninsular Range; Santa Ana Mtns., vicinity of Elsinore Peak, along Main Divide Truck Trail, 0.7 km west of summit of Elsinore Peak 1006 Comment
Read comments
Dec 12 2013
  RSA770515  Allium munzii S. Mashayekhi, Steve Boyd, M. Biabani 2008-4-15 SM 013 Riverside South of Idaleona Road, south of Harford Springs Co. Park 640 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
  UCR213852  Allium peninsulare Scott D. White, Justin M. Wood 2009-5-22 12919 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  RSA719474  Allophyllum divaricatum R. E. Riefner Jr. 2005-7-31 05 -573 Riverside Peninsular Ranges Province, Agua Tibia Moutains, SE of Temecula, Cleveland National Forest, Agua Tibia Wilderness, NW slope of Agua Tibia Mountain, ca. 1.5 mi WNW of Woodchuck Rd. 665 Comment
  RSA411101  Allophyllum glutinosum N. C. Cooper 1944-6-17 1407 Riverside San Jacinto Mountain. West side. 1372 Comment
  CAS-BOT-BC170127  Alnus rhombifolia Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley Comment
  LA204074  Alnus rhombifolia Carl Epling; April 1937 sn Riverside San Jacinto Mountains, Idyllwild Comment
  POM47147  Alnus rhombifolia P. A. Munz, I. M. Johnston 1924-7-29 8868 Riverside San Gorgonio Canyon, North of Banning 1067 Comment
  RSA761165  Alnus rhombifolia Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 699 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR111747  Amaranthus albus G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above parking lot #6. 274 Comment
  SEINET10389835  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2015-9-10 41862 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  CAS-BOT-BC502099  Amaranthus hybridus R. E. Riefner, Jr. 2015-10-22 15 -419 Riverside Perris/Sun City area, E side of I-215, W side of Encanto Dr. between Rouse Rd. and Shadel Rd. 450 Comment
  UCR23421  Amaranthus hybridus John C. Roos 1965-10-13 s.n. Riverside Corona Comment
  JEPS54324  Amaranthus retroflexus M. and J. Lesley Oct 1929 Riverside Riverside Comment
  UCR16084  Amaranthus retroflexus S. R. Szarek 1969-4-11 s.n. Riverside near intersection of Mission Blvd & Flemming St., Glen Avon Comment
  UCR40472  Amaranthus retroflexus Steve Boyd 1985-7-23 1025 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  RSA772532  Ambrosia acanthicarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4482 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
  UCR24354  Ambrosia acanthicarpa John C. Roos 1965-9-26 s.n. Riverside San Jacinto Mtns, Hemet Valley 518 Comment
  RSA736034  Ambrosia confertiflora Scott D. White, Jamie Minor 2008-3-13 11765 Riverside San Gorgonio Pass: Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  CAS-BOT-BC22601  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -328 Riverside Joshua Tree National Monument: about 2 mi S of Entrance to Cottonwood Springs Campground Comment
  RSA516900  Ambrosia dumosa Orlando Mistretta 1986-3-13 1420 Riverside Northeast of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (Rd. going through pass between Palen and Granite Ranges). 183 Comment
  SBBG61677  Ambrosia dumosa R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UCR214278  Ambrosia dumosa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37479 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
  UC1595693  Ambrosia ilicifolia W. Wisura, J. Romero, and M. Husar 1992-4-24 4706 Riverside n base of Chuckwalla Mts. (Corn Spring); Colorado Desert, , Corn Spring Comment
  UCSB39058  Ambrosia ilicifolia Jorgensen, Jan 1982-3-22 Riverside Corn Spring Oasis, Chuckwalla Mountains 600 Comment
  RSA561514  Ambrosia psilostachya Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7659 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
  UCR172727  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32367 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  CAS-BOT-BC273025  Ambrosia salsola Munz; Street; Williams 1919-3-25 2322 Riverside Palm Springs Comment
  LA203755  Ambrosia salsola A. M. Johnson; 1932-3-19 3880 Riverside below [S of] Palm Springs Comment
  RSA739851  Ambrosia salsola J. L. Strother 2008-3-10 1370 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  SEINET8507136 Image available Ambrosia salsola Deidre Conocchioli, Duncan S. Bell 2014-3-18 261 Riverside Orocopia Mountains 11.6 miles NE of the Salton Sea. 1.9 miles N of Salt Creek drainage; 0.2 miles SW of Gucci Spring. 390 Comment
  UCD128873  Ambrosia salsola C. L. Hitchcock 1966-3-16 24217 Riverside 4 miles south of Palm Desert, along Palms to Pines Highway. Comment
  LA212171  Ambrosia salsola A. Lee Haines; 1973-3-24 s.n. Riverside Whitewater River Canyon. 426 Comment
  JEPS4955  Ambrosia salsola var. pentalepis Roxana S. Ferris 1953-3-9 12596 Riverside access road to Los Angeles Aqueduct up canyon about 2 mi ne Indio-Desert Hot Springs Road; Berdoo Canyon Comment
  UCR260189  Amelanchier utahensis Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5009 Riverside San Jacinto Mountains, Strawberry Creek to the southwest of Strawberry Valley, c. 2.4 air miles southwest of Idyllwild 1534 Comment
  UCR270409  Amelanchier utahensis John F. Emmel 2000-4-30 1646 Riverside Santa Rosa Mountains, Santa Rosa Mountain Road at Garnet Queen Creek crossing 1890 Comment
  UCR119435  Amorpha fruticosa A. C. Sanders, Mitch Provance 1999-9-26 23089 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA0065487  Amsinckia Eleanor McClung 1937-3-23 26 Riverside Palm Springs. Comment
  CAS-BOT-BC26856  Amsinckia ctenocarpa Emmet Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  SDSU18971  Amsinckia intermedia C. Matt Guilliams 2008-2-21 461 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. 418 Comment
  UCR16784  Amsinckia intermedia C. M. Bringle 1967-4-2 s.n. Riverside Riverside, Mockingbird Canyon off Jackson St., 0.2 mi past 1645 Jackson, in ravine on S side, about 1/4 mi out 351 Comment
  UCR225599  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-28 38832 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
  RSA0089612  Amsinckia intermedia Ora M. Clark 1929-4-6 1939 Riverside S. San Jacinto. Comment
  HSC79040  Amsinckia menziesii A. C. Sanders 1985-3-18 5404 Riverside UCR campus, between Lothian Dorm and Watkins Dr. Comment
  RSA0089921  Amsinckia menziesii var. menziesii D. L. Banks, Victor Steinmann 1997-3-13 1417 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SEINET244786  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24945 Riverside The Badlands; hills and canyons west of Laborde Canyon 1 mi NE of Eden Hot Springs, SW of Beaumont 610 Comment
  RSA689374  Amsinckia tessellata Scott D. White 2001-4-19 8379 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UC501453  Amsonia tomentosa Frank W. Peirson 1928-4-25 7921 Riverside ca. 10 mi. s. 29 Palms (White Tank Region); White Tank Region Comment
  POM184745  Amsonia tomentosa var. tomentosa C. L. Hitchcock 1932-4-8 12220 Riverside 1 mile west of Cottonwood Springs. Comment
  SBBG55836  Anagallis arvensis S. LaBonde 1963-4-7 17 Riverside 4 mi NE of Palm Springs on the Palm Desert Hwy 60 Comment
Read comments
Mar 31 2014
  SDSU13948  Anagallis arvensis Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2134 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR111724  Anemone tuberosa L. C. Wheeler 1953-3-31 7042 Riverside Sonoran (Colorado) Desert, Riverside Mountains, near Mountaineer Mine 313 Comment
  CSUSB802  Anemopsis californica Leland R. Dykes 1962-5-13 107 Riverside Santa Ana River Santa Ana River bottom, near Rubidoux Ave, in (city of) Riverside. Comment
  RSA652977  Anemopsis californica Robert MacGregor 1984-5-19 1 Riverside Lake Elsinore , CA Hwy 74, 1 mile W of junction with 15E Freeway, N side of road. Comment
  UC1237988  Anisocoma acaulis John Weiler and Roy L. Taylor May 12 1961-May 15 1961 61120 Riverside 100 yds e of bridge over, (feeding Hemet Res. along Hwy 74) Hurkey Creek; Hemet Reservoir Comment
Read comments
Mar 24 2011
  UCR174960  Anthemis cotula Teresa Nieto 2005-5-26 53 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  CDA20179  Antirrhinum coulterianum J. Chandler 2003-6-24 PDR 1261516 Riverside Southern California; across from 42525 Wildwood Ln, Aguanga. 0 Comment
  POM72414  Antirrhinum coulterianum Philip A. Munz 1925-5-20 9835 Riverside 2 miles W of Dripping Spring. 427 Comment
  RSA33650  Antirrhinum coulterianum N. C. Cooper 1944-7-17 1425 Riverside West side 1524 Comment
  RSA72773  Antirrhinum coulterianum Philip A. Munz 1925-5-20 9844 Riverside 2 miles east of Aguanga. Comment
  UC672557  Antirrhinum coulterianum Herbert L. Mason 1926-5-2 3194 Riverside Aguanga Valley Comment
  UCR20951  Antirrhinum coulterianum A. C. Sanders 1978-7-1 86 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  POM183981  Antirrhinum filipes Philip A. Munz 1932-3-14 11996 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  UCR3440  Antirrhinum nuttallianum subsp. nuttallianum John Minnich 1964-3-9 64-3-9- 01 Riverside Peninsular Range, City of Riverside. 'Two Trees Canyon' c. 0.25 mi. from end of Two Trees Road, near the east end of Blaine St. 366 Comment
  UCR3407  Apiastrum angustifolium John Minnich 1964-4-7 64-04-0-7- 3 Riverside Box Springs Mtns, Two Trees Canyon, Riverside 367 Comment
  CLARK-A1703-1243  Apium graveolens Robin L. Kobaly, Larry Beck 1975-7-21 Riverside Santa Ana River Comment
  UCR3736A  Aquilegia formosa Frank C. Vasek 1964-7-25 640725- 14 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  RSA0025519  Arabis John F. Emmel 1986-4-12 994 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. 1372 Comment
  RSA629398  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19527 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  SD152872  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd 1993-3-14 7727 Riverside Southern Santa Ana Mountains, northeastern corner of the silderness, wouth of Elsinore Peak. 975 Comment
  POM254953  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 1098 Comment
  CAS-BOT-BC24670  Arctostaphylos glauca Scott D. White 1996-4-14 3922 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. USGS 548 Comment
  CAS-BOT-BC24675  Arctostaphylos glauca L. R. Abrams 1912-7-11 4919 Riverside Near Sugarloaf Valley. Comment
  POM367316  Arctostaphylos glauca Kenneth R. Montgomery 1969-9-7 69 -24 Riverside Wilson Valley Road, 18 miles south of Hemet 1220 Comment
  RSA631727  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16502 Riverside Hills around Indian Oaks Ranch, east of Lake Skinner. 500 Comment
  RSA631739  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19282 Riverside Highway 79, 2 km west of Radec. 550 Comment
  RSA631744  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15080 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  UC1861763  Arctostaphylos glauca Steve Boyd, Valerie Soza 2004-6-22 11554 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
  RSA633567  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20142 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633681  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21773 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633699  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16669 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633736  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20119 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  SEINET5539347  Arctostaphylos pringlei R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians, W 25d slope. 1524 Comment
  CAS-BOT-BC44331  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  CAS-BOT-BC44332  Arctostaphylos pringlei subsp. drupacea E. A. McGregor 1941-6-12 8 Riverside Idyllwild, San Gabriel Mountains Comment
  POM367426  Arctostaphylos pringlei subsp. drupacea Douglas Bothwell 1934-5-6 s.n. Riverside Idyllwild, San Jacinto Mts. 1610 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
  RSA635641  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16700 Riverside Road to Santa Rosa Mtn. (7S02), Santa Rosa Camp, 13.3 km south of Hwy 74. 2225 Comment
  RSA652425  Arctostaphylos pringlei subsp. drupacea Edward Kai 1970-5-21 s.n. Riverside Idyllwild off Hwy 74. 1524 Comment
  UCSB4721  Arctostaphylos pringlei subsp. drupacea Keator, Glenn 1959-5-16 Riverside Along trail to Mt. San Jacinto Saddle 1981 Comment
  RSA78244  Arctostaphylos pungens P. A. Munz, E. K. Balls 1952-8-21 17965 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  UCR21915  Arenaria douglasii Steve Boyd 1980-5-8 211 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  RSA36551  Arenaria macradenia Sara M. Schenck 1941-6-15 s.n. Riverside Black Springs wash, Joshua Tree National Monument. 1220 Comment
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Feb 24 2013
  UCR104179  Argemone munita Scott D. White 1997-5-25 5220 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  POM285872  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 b Riverside 13.2 mi. of Idyllwild, Hemet Valley. 1372 Comment
  RSA785383  Argemone platyceras var. hispida Keith E. Hoffmaster 1933-4-15 400 Riverside Moreno grade. Comment
  CAS-BOT-BC202502  Argythamnia serrata F. W. Peirson 1922-12-28 4437 Riverside Andreas Canyon, Colorado Desert 243 Comment
  CAS-BOT-BC137661  Aristida adscensionis George Helmkamp 1995-3-16 s.n. Riverside Colorado Desert. Below slopes of Coxcomb Mountains, west of Rice Road, 10.3 miles northeast of Desert Center. 198 Comment
  RSA718572  Aristida adscensionis Michael Honer, L. Hulse 2004-4-3 1891 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  RSA781613  Aristida adscensionis Duncan S. Bell 2011-12-30 3035 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  SBBG57071  Aristida adscensionis M. N. Ackley -Mar-1928 51 Riverside Colorado Desert 60 Comment
  UCR148307  Aristida adscensionis John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR2159  Aristida adscensionis F. M. Reed 1920-3-25 4270 Riverside Sonoran (Colorado) Desert, Sand dunes near Indian Wells 30 Comment
  UCR274669  Aristida adscensionis Stephanie Rockwood, Christi Gabriel 2011-10-18 132 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 99 Comment
  LA102169  Aristida purpurea John C. Roos; 1966-4-29 sn Riverside between March AFB and Lakeview Comment
  UCD56515  Aristida purpurea P. B. Kennedy 1921-10-28 s.n. Riverside Mt. Rubidoux. Comment
  UCSB45567  Aristida purpurea Roos, John 1966-4-29 Riverside Rocky hills between March Air Force Base and Lakeview Comment
  RSA129291  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6723 Riverside Head of Deep Canyon. 1220 Comment
  UCR2163  Aristida purpurea var. parishii F. M. Reed 1927-3-19 5440 Riverside Sonoran (Colorado) Desert, upper fork of Salt Creek Wash [east of the Salton Sea] 549 Comment
  UCR34917  Artemisia californica L. B. Ziegler 1967-9-18 244 Riverside San Jacinto Mtns, Bautista Canyon 673 Comment
  POM247454  Artemisia dracunculus Philip A. Munz 1941-10 17239 Riverside On Palms to Pines HIghway, north base of Santa Rosa Mts. Comment
  RSA588818  Artemisia dracunculus Darin L. Banks, Steve Boyd 1995-10-17 0771 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCR4346  Artemisia nova L. B. Ziegler 1964-7-11 s.n. Riverside San Jacinto Mtns., 2 mi NE of Kenworthy Ranger Station Comment
  RSA417413  Artemisia tridentata Gale Sphon 1955-5-22 s.n. Riverside Vandeventer Flats Comment
  RSA697767  Arundo donax J. Russell Bruff 1927-10-8 1 -T Riverside Thousand Palms Comment
  RSA401230  Asclepias erosa J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center & Blythe. 106 Comment
  CDA2687  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin; Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte. Comment
  JEPS54530  Astragalus aridus S. B. Parish 1913-2-28 8467 Riverside Salton Sink , Salton Sink (Mecca) 60 Comment
  RSA0014460  Astragalus aridus Justin M. Wood, J. Miner 2010-4-29 1533 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA781528  Astragalus aridus Duncan S. Bell 2010-5-1 873 B 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
  UC809712  Astragalus aridus E. K. Balls 1949-4-2 12906 Riverside roadside and open slopes on Highway 111 near Durmid by the Salton Sea (Colorado Desert); , near Durmid by Salton Sea -67 Comment
  JOTR33848  Astragalus didymocarpus var. dispermus La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3060 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy wash leading to Pinto Wash 354 Comment
  RSA0009602  Astragalus didymocarpus var. dispermus Marcus E. Jones 1926-2-16 s.n Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  HSC85411  Astragalus didymocarpus var. obispoensis Steve Boyd 1986-4-2 1624 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  PASA2724  Astragalus douglasii var. parishii Frank W. Peirson 1922-4-29 2955 Riverside Aguanga 609 Comment
  UC1128783  Astragalus douglasii var. parishii H. S. Yates 1936-8-29 6382 Riverside near Pine Flat; San Jacinto Quad., near Pine Flat Comment
  UC397248  Astragalus douglasii var. parishii Ivan Johnston Apr 4 1917-Apr 6 1917 113 Riverside Colorado Desert , Andreas Canyon (Andreas Canyon, Southern California) Comment
  UCR104622  Astragalus douglasii var. parishii D. E. Bramlet 1990-6-20 2040 Riverside Arroyo Seco. Approximately 915 m south of Hwy 79 and 152 m south of the Dripping Springs Campground, 30 m east of the main wash. 494 Comment
  RSA674713  Astragalus gambelianus Scott D. White 2000-5-1 7746 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  SEINET7073296  Astragalus lentiginosus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC862737  Astragalus lentiginosus var. coachellae Ivan Johnston Apr 4 1917-Apr 6 1917 Riverside Whitewater Colorado Desert, Whitewater (Colorado Desert, in sand around station) Comment
  UCR161729  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-26 4226 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley; east of Flat Top Mtn 152 Comment
  UCR182558  Astragalus lentiginosus var. coachellae Linda Archer 2006-5-3 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, SW edge of Desert Hot Springs, east of Morongo Wash 293 Comment
  POM47635  Astragalus nuttallianus var. cedrosensis F. W. Peirson 1922-4-9 584 Riverside Murray Canyon. North bank, 1/2 mile above mouth. Comment
  RSA631065  Astragalus nuttallianus var. imperfectus L. C. Wheeler 1953-3-31 7039 Riverside Near Mountaineer Mine. Comment
  RSA769649  Astragalus pachypus var. jaegeri Duncan S. Bell, Joy D. England 2010-5-17 1000 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  POM13586  Astragalus palmeri P. A. Munz 1922-4-13 4935 -a Riverside Eagle Mountains 274 Comment
  CLARK-A1528-1164  Astragalus pomonensis Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  RSA612326  Astragalus pomonensis C. Epling, Joseph A. Ewan 1933-06 s.n Riverside 5 miles above Corona. Comment
  SBBG3239  Astragalus pomonensis H. and M. Dearing 1939-4-5 3089 Riverside above Hemet Valley on Beaumont Rd Comment
  UCR37709  Astragalus sabulonum A. C. Sanders, J. M. Stewart 1985-3-24 5408 B Riverside Western Colorado Desert, Coachella Valley, flats along Box Canyon Rd. (Hwy 195), 2.5 mi east of Mecca, 0.7 mi east of Grant Street -15 Comment
  CLARK-A1528-5528  Astragalus tricarinatus John C. Roos 1967-3-25 Riverside Whitewater Canyon 457 Comment
  JOTR35473  Astragalus tricarinatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 76 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1463 Comment
  RSA0121455  Astragalus tricarinatus Duncan S. Bell, LeRoy Gross 2016-3-30 9135 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR37629  Astragalus tricarinatus George K. Helmkamp 1984-5-5 E 5 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  LA205764  Astragalus trichopodus var. phoxus C. B. Wolf; 1931-5-11 1952 Riverside near Pipe Creek, Hemet Valley, San Jacinto Mts 1615 Comment
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Mar 9 2014
  UCR102857  Athysanus pusillus A. C. Sanders 1997-4-3 20160 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR113203  Athysanus pusillus A. C. Sanders 1998-3-11 21688 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR91430  Athysanus pusillus Scott D. White 1995-3-30 2645 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
  CAS-BOT-BC98819  Atrichoseris platyphylla H. M. Hall 1905-4-1 5854 Riverside Colorado Desert - Canyon [Canon] Springs Comment
  CAS-BOT-BC170211  Atriplex canescens subsp. canescens Joseph Andorfer Ewan 1931-10-3 5227 Riverside Mockingbird Canyon near Arlington Comment
  UCR17336  Atriplex canescens subsp. linearis N. R. Zabriskie, W. W. Zabriskie 1970-10-31 324 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  SJSU6729  Atriplex canescens var. canescens C. W. Sharsmith 1974-1-6 8014 Riverside Palm Springs Comment
  SEINET3930650  Atriplex canescens var. laciniata Howard C. Stutz 1977-11-18 8193 Riverside Indio.; 0 Comment
  CAS-BOT-BC168528  Atriplex confertifolia H. M. Hall 1901-6-1 2002 Riverside San Jacinto Lake Comment
  SD133118  Atriplex coronata var. notatior D. Bramlet 1990-7-20 2058 Riverside 6.6 km west of Hemet and ca. 880 meters west of intersection of Florida and Warren Streets. 500 Comment
  UCR123606  Atriplex coronata var. notatior D. E. Bramlet 2000-5-18 3052 Riverside San Jacinto River; 6.1 meters south of the Ramona Expressway and 61 meters east of the San Jacinto River 431 Comment
  UC110247  Atriplex lentiformis T. S. Brandegee 1901-4-3 Riverside Salton Crossing , Salton Crossing (Colorado Desert) Comment
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Sep 11 2011
  RSA556605  Atriplex parishii D. E. Bramlet 1993-7-2 2360 Riverside This site is approximately 6.9 km southwest of Hemet, at the end of California Ave. and some 0.85 km. north of Stetson. The population is located 150-500m. east of California and 335. West of the MWD canal. 139 Comment
  UCR132656  Atriplex parishii D. E. Bramlet 1993-7-9 2360 A Riverside San Jacinto Valley, 6.9 km southwest of Hemet, at the end of California Ave and 0.85 km north of Stetson, 150-500 m east of California and 335 m west of the MWD canal 457 Comment
  RSA724123  Atriplex polycarpa R. E. Riefner 2006-10-9 6 -488 Riverside City of Lake Elsinore, back basin of Lake Elsinore, W ca. 0.5 mi off Pete Lehr Dr. at Diamond Stadium in Wildlife Viewing Area. 402 Comment
  SBBG29999  Atriplex polycarpa F. W. Peirson 1917-4-1 1812 Riverside Palm Springs Comment
  UCR35146  Atriplex rosea L. B. Ziegler 1967-8-29 209 Riverside San Jacinto Mtns, Hemet [Garner] Valley 1372 Comment
  UCR272489  Atriplex semibaccata Mitch Provance 2013-6-16 613- 22 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  SD146320  Atriplex suberecta A. C. Sanders, Mitch Provance 1999-9-26 23115 Riverside San Jacinto Valley; Mystic Lake, 1.4 mile southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mile south of Eden Hot Springs. 433 Comment
  UCR201020  Atriplex suberecta Scott D. White 2008-8-20 12537 Riverside Peninsular Range; Perris-Aguanga Basin, City of Moreno Valley, Perris Blvd. between Krameria and Oleander Streets 451 Comment
  SEINET10656976  Avena fatua Nye Leith, Greg Gust 2005-3-11 Nye 59 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  CLARK-A1528-4498  Avena sativa John C. Roos, Lucille Roos 1952-5-19 5685 Riverside San Timoteo Canyon 518 Comment
  RSA0124821  Ayenia compacta Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8759 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Martinez Slide to the north of Toro Canyon, approximately 4.75 air miles northeast of the summit of Martinez Mountain. 152 Comment
  RSA45533  Baccharis brachyphylla J. C. Roos 1949-4-2 4133 Riverside Near Palm oasis in the side canyon of Whitewater Canyon. 549 Comment
  IRVC525  Baccharis glutinosa R. H. Whittaker, W. A. Niering 1963-6-11 SJ 373 Riverside Santa Rosa Rd., slope W-5 degree draw, mostly sandy soil, occasional boulders. Santa Rosa Mountains 1601 Comment
  IRVC529  Baccharis glutinosa Polly Brecht 1965-4-24 s.n. Riverside Upper San Juan Creek Camp, Ortega Highway. Santa Ana Mountains Comment
  CAS-BOT-BC106701  Baccharis salicifolia Ivan Johnston 1917-4-4 1117 Riverside Palm Canyon 304 Comment
  RSA289855  Baccharis salicifolia B. A. Prigge 1980-12-15 4124 Riverside Coachella Valley Stormwater Channel: 3.5 mi. S of Mecca -69 Comment
  RSA5444  Baccharis salicifolia C. B. Wolf 1932-5-25 3672 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  SEINET10616771  Baccharis salicifolia Frederick M. Reed 1934-1-6 Reed 8686 Riverside Shrub growing on waste ground. 244 Comment
  POM183880  Baccharis sergiloides Philip A. Munz 1932-10-16 12843 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  RSA5414  Baccharis sergiloides C. B. Wolf 1932-10-11 4270 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  RSA5438  Baccharis sergiloides C. B. Wolf 1932-10-13 4310 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SD229072  Baccharis sergiloides Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 886 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  UCR19179  Baccharis sergiloides John C. Roos 1948-9-14 3003 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  RSA442013  Bahiopsis parishii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA776089  Bahiopsis parishii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 821 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  CAS-BOT-BC99970  Baileya pauciradiata Carl B. Wolf 1932-4-28 3080 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. West of Blythe on the Mecca Road 121 Comment
  POM15186  Baileya pauciradiata Mary F. Spencer 1922-4-11 1953 Riverside Palm Springs, Colorado Desert 122 Comment
  UC53925  Baileya pauciradiata F. Gilman 1902-1 Riverside Palm Springs Comment
  UCR92388  Baileya pauciradiata F. M. Reed 1926-3-5 5290 ? Riverside Sonoran (Colorado) Desert, near Indian Wells 31 Comment
  POM248394  Bassia hyssopifolia Philip Crow 1939-7-4 s.n. Riverside Blythe. Comment
  SEINET10925102  Bebbia juncea A. K. Evans 1976-4-13 Evans 5201 Riverside Desert canyons of Santa Rosa Mountains. Comment
  CAS-BOT-BC100134  Bebbia juncea var. aspera H. M. Hall 1901-6-1 2010 Riverside Canyon of the San Jacinto River 762 Comment
  CAS-BOT-BC106402  Bebbia juncea var. aspera J. Beley 1974-2-21 1817 Riverside Halfway between 195 & Cactus City (Buried Mtn.) on roadside. Comment
  UC50336  Bebbia juncea var. aspera H. M. Hall 1903-4-14 3803 Riverside vicinity of Riverside (Point of Rocks); Point of Rocks 396 Comment
  RSA125251  Berberis haematocarpa E. K. Balls 1957-11-19 22822 Riverside Grown in Botanic Garden, alt. 1300 ft., from seed collected Aug. 20, 1957, by E. K. Balls & P. C. Everett, 6.6 mi. sw. along State Hwy 74 from Palm Village (jct. with State Hwy 111), Riverside Co. 396 Comment
  POM96265  Berberis nevinii E. C. Jaeger 1925-11-9 s.n. Riverside Dripping Spring, S.W. Riverside Co. Comment
  RSA594515  Berberis nevinii D. L. Banks, Rashmi Pant 1996-5-13 1020 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy 79., Just S of the Cleveland National Forest Boundary. 396 Comment
  RSA0092855  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds. 433 Comment
  HSC27276  Bernardia myricifolia R. W. Spjut 1972-3-13 2260 Riverside W Border of the Colorado Desert, along the slopes of the San Jacinto Mtns., near the E border of the San Bernardino National Forest along Hwy. 74 915 Comment
  SD146038  Bidens laevis A. C. Sanders, Mitch Provance, and B. Pitzer 2000-9-27 23679 Riverside Santa Ana River Valley; southwest side of Mt. Rubidoux, northwest of intersection ot Tequesquite Ave. and Gregory Road. 231 Comment
  UCR23741  Bidens pilosa John C. Roos 1965-8-18 s.n. Riverside In Corona Comment
  UCR178351  Bloomeria crocea Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1059 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  CAS-BOT-BC25668  Boechera pulchra Elizabeth H. Daniels 1932-3-8 s.n. Riverside Little San Bernardino Mountains. Mission Canyon, just south of Morongo Valley. Comment
  RSA645639  Boerhavia coccinea Scott D. White 1999-4-20 7276 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
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Aug 21 2019
  UCR20339  Boerhavia intermedia John C. Roos, L. Roos 1952-10-18 5901 Riverside Little San Bernardino Mtns, Hidden Valley campground 1220 Comment
  CLARK-A1528-3269  Boerhavia torreyana John C. Roos 1946-11-29 3178 Riverside Hayfield 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
  UCR43706  Boerhavia triquetra R. F. Thorne, R. Dahlgren 1979-8-22 53571 Riverside Joshua Tree National Monument, just south of San Bernardino Co. line near jct of road to Split Rock and 29 Palms, valley west of Pinto Mtns. 1098 Comment
  RSA0078217  Boerhavia triquetra var. intermedia Sarah J. De Groot, Duncan S. Bell 2015-9-21 7588 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  UCR265474  Boerhavia triquetra var. intermedia Jordan Zylstra 2014-8-17 14022 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  UCR204100  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Western Colorado Desert, Maniobra Valley, Chiraco Summit Road off Hwy I-10 517 Comment
  UCR242115  Boschniakia strobilacea Tom Chester, James Dillane 2006-7-26 942 .5 Riverside Peninsular Ranges; San Jacinto Mountain, Devils Slide Trail, 0.28 miles (0.45 km) below Saddle Junction 2463.4 Comment
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May 11 2020
  CAS-BOT-BC145588  Bouteloua aristidoides Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13239 Riverside In wash arising in Big Maria Mountains. Highway U.S. 95, 11.3 miles north of Blythe. Comment
  SD254499  Brachypodium distachyon Steve Boyd 2011-3-30 12306 Riverside Coastal plains and basins; San Bernardino basin region: City of Riverside, residential lot at northwest corner of Beechwood Place and Brockton Avenue. 256 Comment
  UCR242305  Brandegea bigelovii A. C. Sanders, T. B. Salvato 2012-10-12 40431 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  UCR251647  Brandegea bigelovii Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 760 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCSB41346  Brandegea bigelovii Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Rd., 7 miles southwest of junction with Chuckwalla Rd., Colorado Desert 457 Comment
  UCR64302  Brassica fruticulosa A. C. Sanders, O. F. Clarke 1989-4-5 9035 Riverside Box Springs Mtns, On the E edge of Riverside, at end of the dirt road in Two Trees Canyon Comment
  RSA496660  Brassica tournefortii A. C. Sanders 1988-1-18 7588 Riverside Riverside. W end of the Box Springs Mountains on S-facing slopes of Sugarloaf Peak. 457 Comment
  RSA674570  Brassica tournefortii Scott D. White 2000-5-3 7765 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  RSA770685  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4785 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA778114  Brassica tournefortii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 929 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  CAS-BOT-BC106246  Brickellia californica Carl B. Wolf 1935-10-8 7636 Riverside Mojave Desert, Kingston Range, Horse Spring 1432 Comment
  SD152952  Brickellia californica Steve Boyd, Time Ross and Dave Bramlet 1992-9-9 7685 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  CLARK-A1528-1668  Brickellia desertorum John C. Roos 1950-9-30 4996 Riverside Riverside 396 Comment
  UCR13707  Brickellia desertorum N. R. Zabriskie, N. Bercovitz 1971-11-15 463 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, E slope San Jacinto Mtns. 306 Comment
  UCR264241  Brickellia incana A. C. Sanders, Jim Malusa 2015-9-10 41848 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  RSA376783  Brodiaea santarosae Robert Gustafson, Gary D. Wallace 1983-6-23 2716 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mtns., 701 Comment
  RSA343861  Brodiaea terrestris subsp. kernensis Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60643 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  UCR112587  Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside Riverside, open fields at NE edge of UCR campus, east of A & I dorms and south of Watkins Dr. 335 Comment
  RSA27411  Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
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Sep 11 2011
  UCR201652  Bromus carinatus Scott D. White, Justin M. Wood 2008-5-15 12010 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR202436  Bromus carinatus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA659619  Bromus catharticus Brian McColgan 1937-11-13 s.n. Riverside Riverside. 244 Comment
  UCR92448  Bromus diandrus A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18110 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  SD136965  Bromus hordeaceus Steve Boyd 1992-4-14 6794 Riverside Santa Ana Mts.; San Mateo Cyn Wilderness area; Along Verdugo Trail from Tenaja Tr to Bluewater Tr in upper watershed of Bluewater Cyn; S of Sitton Pk; 792 Comment
  RSA192235  Bromus hordeaceus E. W. Lathrop 1966-5-15 6319 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  CAS-BOT-BC27873  Bromus orcuttianus var. hallii H. M. Hall 1901-6-1 2301 Riverside San Jacinto Mountains. West side. 1737 Comment
  UCR49225  Bromus rubens Steve Boyd 1986-4-2 1604 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA595313  Bromus rubens D. L. Banks, Victor Steinmann 1996-4-20 885 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 Comment
  RSA716385  Bromus tectorum Scott D. White, Angelia Carey 2004-4-5 9995 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR228741  Bromus tectorum A. C. Sanders, Nathan Moorhatch 2011-3-22 38799 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  RSA0020665  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3637 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  RSA595267  Bromus tectorum D. L. Banks, Dylan Hannon 1996-5-3 979 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  HSC49576  Caesalpinia virgata D. L. Goforth 1979-4-11 112 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  RSA697936  Caesalpinia virgata J. Russell Bruff 1929-12-27 446 Riverside 1000 Palms. Comment
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Nov 9 2011
  RSA721458  Caesalpinia virgata Sarah J. De Groot, Tim Thibault, Valentin Arvizu, LeRoy Gross, Lisa Rojas 2004-5-14 4335 Riverside Chocolate Mountains: north of the mountains, just north of the Bradshaw Trail, south of Orocopia mountains. 168 Comment
  RSA719235  Caesalpinia virgata Michael Honer, L. Hulse 2004-4-3 1918 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of ONeal Canyon. 610 Comment
  UC68595  Calandrinia ambigua H. M. Hall Apr. 1905 5947 Riverside McCoy Wash Colorado Desert 91 Comment
  RSA466560  Calandrinia ciliata Ora M. Clark 1929-3-2 1610 Riverside Near Elsinore. Comment
  RSA556439  Calandrinia ciliata Julie Greene 1993-4-17 1199 Riverside West of Davis Road. 433 Comment
  SEINET244316  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2001-3-30 23874 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada 366 Comment
  UCR133977  Calandrinia ciliata Mitch Provance, J. S. Ross 1998-3-27 MOR- 964 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR171960  Calandrinia ciliata 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
  UCR250126  Calandrinia ciliata A. C. Sanders 2014-4-8 40985 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.35 km NW of El Hermano Rd., c. 0.95 km SE of I-15 crossing 315 Comment
  SEINET10531058  Calocedrus decurrens David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46538 Riverside Native tree collected in the vicinity of Idylwild in the San Jacito Mts. 2134 Comment
  RSA377347  Calochortus concolor N. C. Cooper 1944-7-15 1565 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  UCR35291  Calochortus concolor L. B. Ziegler 1969-7-3 382 Riverside San Jacinto Mtns, Hemet Valley. E side of valley. Above Kenworthy Ranger Station. 1585 Comment
  RSA377366  Calochortus invenustus M. B. Dunkle 1933-7-19 3673 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  RSA79326  Calochortus plummerae Percy C. Everett, E. K. Balls, Lee Lenz 1952-7-1 17281 Riverside 6.7 mi W along Hwy 74 from jct w/ rd. S from Idyllwild. Comment
  RSA23716  Calochortus splendens Russell S. Woglum 1937-5-22 524 Riverside Temecula. . Comment
  UC75772  Calochortus splendens Miss M. Alice King May 1893 Riverside Menifee Comment
  RSA747278  Calochortus weedii var. intermedius Orlando Mistretta 1992-6-10 515 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA674970  Calycadenia tenella Scott D. White, Teresa Salvato 2001-6-8 8575 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  CAS-BOT-BC282912  Calycoseris wrightii K. Larson 1977-5-12 60062 B Riverside Ford Dry Lake ca 25 miles W Blythe Comment
  CAS-BOT-BC282922  Calycoseris wrightii H. M. Hall 1905-4-1 5872 Riverside Chuckawalla Bench Comment
  JOTR30119  Calyptridium monandrum La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1685 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  SEINET8567926 Image available Calyptridium monandrum A. G. Vestal 1947-3-30 Riverside California: Riverside County 33.5757 deg. North Latitude, -116.9840 deg. West Longitude. Ca 4.2 miles west of Sage in Tucalota Valley on East Benton Road. Sage quad. (NAD 27), UTM Zone 11, 301485mE, 3714919mN. Comment
  UCR101842  Calyptridium monandrum B. G. Pitzer 1997-4-1 3055 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  CAS-BOT-BC215767  Calystegia macrostegia subsp. arida Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9664 Riverside Foot of grade, State Highway #74 along San Jacinto River Comment
  RSA740941  Calystegia occidentalis subsp. fulcrata Scott D. White, Justin M. Wood 2008-6-18 12244 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR18965  Calystegia sepium subsp. binghamiae John C. Roos, L. Roos 1952-6-10 5763 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  RSA466984  Camissonia bistorta H. de Forest 1929-3-16 s.n. Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  UCR59923  Camissonia bistorta Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice and McVicker Canyons 488 Comment
  UCR10926  Camissonia boothii John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  UCR241529  Camissonia boothii A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40633 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR104809  Camissonia boothii subsp. desertorum George K. Helmkamp, E. A. Helmkamp 1998-2-18 2743 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  RSA201058  Camissonia brevipes subsp. brevipes Carl B. Wolf 1932-4-27 3013 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA776640  Camissonia brevipes subsp. brevipes Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1097 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center. 413 Comment
  RSA248302  Camissonia californica A. M. Alexander, Louise Kellogg 1941-4-22 2058 Riverside Colorado Desert. Morongo Valley Gorge 701 Comment
  UCR104006  Camissonia cardiophylla subsp. cardiophylla George K. Helmkamp, E. A. Helmkamp 1998-2-5 2661 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA448925  Camissonia claviformis subsp. aurantiaca I. W. Clokey, Bonnie C. Templeton 1930-4-9 4725 Riverside North of Palm Springs, Colorado desert. 170 Comment
  RSA777395  Camissonia claviformis subsp. aurantiaca Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 789 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCR23207  Camissonia confusa J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto 1524 Comment
  RSA702748  Camissonia hirtella Scott D. White, Michael Honer 2004-4-6 10040 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR115337  Camissonia hirtella A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16247 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR176187  Camissonia hirtella Amber Bruno 2005-4-14 17 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
  RSA449011  Camissonia ignota Lester H. Cushman 1932-03 213 Riverside La Sierra Hts. Comment
  UCR214335  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38374 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR79240  Camissonia ignota Steve Boyd 1992-4-15 6865 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  UCR192717  Camissonia micrantha A. C. Sanders, Mike Misenhelter 2008-6-10 35449 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  RSA710937  Camissonia pallida A. C. Sanders, K. C. Rose 1995-4-5 16368 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62. 518 Comment
  SEINET1109638  Camissonia pallida A. C. Sanders, K. C. Rose 1995-1 16368 Riverside San Bernardino Mtns. Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62. 518 Comment
  VVC702  Camissonia pallida P. J. MacKay, T. Thomas 1997-2-8 91 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  RSA770789  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4529 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SEINET269601  Camissonia refracta John Wear 1995-3-22 Riverside Colorado Desert: Wash along Eagle Mountain Road N of I-10 near Deset Center. Comment
  UC56460  Camissonia strigulosa H. M. Hall 1902-4-22 2954 Riverside vicinity of Riverside 281 Comment
  UC56464  Camissonia strigulosa H. M. Hall 1902-4-7 2755 Riverside vicinity of Riverside 457 Comment
  SD82828  Camissoniopsis bistorta John D. Olmsted 1962-5-3 3509 Riverside In canyon of southern access road to Thomas Mt.;, ca. 2.0 miles west of southern Garner Valley and Pines-to-Palms Highway. 1448 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
  UCR128566  Camissoniopsis confusa A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23904 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR260856  Camissoniopsis hirtella A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41425 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  SBBG35128  Camissoniopsis pallida T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  UC398682  Camissoniopsis pallida subsp. pallida L. R. Abrams 1926-3-27 Riverside near the type station Cabazon Comment
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Mar 13 2011
  UCR88232  Cardamine debilis A. C. Sanders 1994-11-8 15865 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 & Sage Lane 46 Comment
  CLARK-A1528-177  Carduus pycnocephalus Larry Cohen 1969-5-8 Riverside Reche Canyon 457 Comment
  UCR49459  Carduus pycnocephalus A. C. Sanders, B. Pitzer 1987-4-21 7049 Riverside Box Springs Mts., summit of Pigeon Pass Rd, Riverside 581 Comment
  UCSB11402  Carex D. Breedlove 1961-7-29 870 Riverside WHERE IT CROSSES RIVERSIDE HWY 1 FULLER MILL CREEK 1645 Comment
  RSA0120463  Carex alma Duncan S. Bell 2016-4-16 9307 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR25014  Carex alma George K. Helmkamp 1981-6-25 s.n. Riverside San Jacinto Mountains, Idyllwild. Strawberry Creek c. 200 yards south of the bridge near the U.S.C. campus. Comment
  POM14312  Carex hassei Phillip A. Munz 1922-6-27 5862 Riverside Santa Rosa Mountains. 2012 Comment
  RSA0042250  Carex praegracilis Jeri Hirshberg 1989-7-26 s.n. Riverside Vicinity of Vail Lake: spring in Butterfield country. Comment
  UCR176584  Carex praegracilis Jeri Hirshberg 1989-7-26 s.n. Riverside Peninsular Range, vicinity of Vail Lake; spring in Butterfield Country Comment
  CAS-BOT-BC117857  Carex sartwelliana Scott D. White 1996-8-1 4441 Riverside Idyllwild area: N of Strawberry Valley, between Bear Trap Cyn and Lily Creek. 1615 Comment
  SD37199  Carex sartwelliana Darley F. Howe 1941-6-8 Riverside San Jacinto Mountains; Strawberry Creek. Comment
  CAS-BOT-BC94052  Carex senta Peter F. Zika; Nick Otting 2010-8-3 25248 Riverside vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges 2550 Comment
  UC146061  Carex senta Charlotte M. Wilder 1909-7-11 1138 Riverside Round Valley San Jacinto Mountains 2743 Comment
  RSA674760  Carex triquetra Scott D. White, Sandy Leatherman 2000-5-31 7974 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UC494747  Castilleja angustifolia Philip A. Munz and C. L. Hitchcock 1932-4-9 12225 Riverside White Tanks; e Riverside County Comment
  JEPS9794  Castilleja applegatei subsp. martinii C. V. Meyer Jun 1927 167 a Riverside Saunders Meadow San Jacinto Mt. 1676 Comment
  POM71676  Castilleja applegatei subsp. martinii Philip A. Munz 1924-5-18 8131 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  UC64212  Castilleja applegatei subsp. martinii H. M. Hall Jul 1901 2580 Riverside Tauquitz Valley; San Jacinto Mountains 2133 Comment
  UC885366  Castilleja applegatei subsp. martinii C. Epling and Wm. Robison 1935-6-30 Riverside above Marion Camp (Mt. San Jacinto); Mt. San Jacinto Comment
  UCR139023  Castilleja exserta D. L. Banks 1997-4-5 1709 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  RSA585519  Castilleja exserta subsp. exserta D. L. Banks, S. D. Boyd 1995-5-9 379 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  RSA741054  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-6-5 12061 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SDSU13332  Castilleja exserta subsp. exserta Tom Duffy, Taria Sagar 2000-4-29 6 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North field station 320 Comment
  CLARK-A1528-4176  Castilleja foliolosa E. W. Lathrop 1966-3-2 Riverside 853 Comment
  RSA0121435  Castilleja foliolosa Duncan S. Bell, LeRoy Gross 2016-3-30 9144 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA400585  Castilleja foliolosa N. C. Cooper 1949-6-29 4332 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA652577  Castilleja foliolosa Jeanne Bellemin 1969-5-24 s.n. Riverside Banning to [Idyllwild]. 976 Comment
  SD233360  Castilleja foliolosa Scott D. White, Justin M. Wood 2009-5-22 12918 Riverside San Jacinto Mts: Old Control Road, above Halfway Spring. (Blackburn Canyon) 1159 Comment
  UCR164566  Castilleja foliolosa S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCR133711  Castilleja martinii N. C. Cooper 1944-6-17 1418 Riverside San Jacinto Mtns., [road to Idyllwild] above Banning 1372 Comment
  RSA448750  Castilleja miniata M. B. Dunkle 1933-7-20 3710 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  POM312155  Castilleja minor subsp. spiralis N. C. Cooper 1194 Riverside Whitewater Canyon. 457 Comment
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Jun 26 2008
  CHSC8112  Castilleja plagiotoma Edward L. Smith 1958-3-6 349 Riverside Located in Coldwater Canyon, Glen Ivy. On Temescal Canyon road. Santa Ana Mt. range. 762 Comment
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Mar 7 2007
  RSA523519  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3978 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR44566  Caulanthus heterophyllus David Diaz 1981-4-29 S.N. Riverside Peninsular Range, On Indian Truck trail Comment
  HSC82831  Caulanthus lasiophyllus A. C. Sanders, B. Pitzer, D. Charlton 1986-3-1 6016 Riverside Chuckwalla Valley, 1 mi. W of Hayfield Lake, 2 mi. SW of the pumping station on small cutoff road from Hayfield Rd. to the dirt road to the Colorado River Aqueduct 427 Comment
  SBBG101793  Caulanthus lasiophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6122 Riverside Vail Lake region, summit of Oak Mtn, N of lake near Henderson Benchmark Comment
  UCR7737  Caulanthus simulans Frances McKinley 1968-5-4 680405 4 Riverside San Jacinto Mtns., slope 2.8 mi up Banning-Idylwild Road on S side 915 Comment
  CHSC1500  Ceanothus crassifolius V. Holt 1942-3-30 Riverside Santa Rosa mountains. Comment
  RSA523500  Ceanothus crassifolius Steve Boyd 1990-3-30 3960 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  RSA614127  Ceanothus crassifolius D. L. Banks 1997-2-23 1294 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. 368 Comment
  SD137652  Ceanothus crassifolius Darin L. Banks, Steve Boyd 1995-3-15 59 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 680 Comment
  SD140013  Ceanothus crassifolius Scott White 1993-4-22 1329 Riverside North Alberhill Ranch, in hills N of Walker Canyon 487 Comment
  UC723782  Ceanothus crassifolius Joseph Andorfer Ewan 1933-3-19 10899 Riverside Tin Mine Canyon Santa Ana Mts. (along canyon bottom) Comment
  UCR124167  Ceanothus crassifolius June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  SBBG54813  Ceanothus crassifolius var. crassifolius D. Keil, M. McLeod 1979-3-18 12915 Riverside ca. 6 mi E of Interstate 15, along St Hwy 79, in Pauba Valley area Comment
  RSA575060  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -e Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UCR154461  Ceanothus cuneatus var. cuneatus Jason L. Hlebakos 2005-5-30 803 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
  SDSU10346  Ceanothus greggii Wende Rehlaender 1983-3-3 83 Riverside San Jacinto Mtns. off Hwy 74, about 3000ft above Banning. Comment
  PASA2404  Ceanothus greggii var. perplexans Frank W. Peirson 1932-5-20 Riverside Hemet Valley, San Jacinto Mts. 1447 Comment
  CAS-BOT-BC51284  Ceanothus leucodermis C. F. B. 1903-4-4 4144 Riverside Elsinore - S. Cal. Comment
  LA44860  Ceanothus leucodermis W. E. Pequegnat; 1939-4-8 46 Riverside Santa Ana Mountains Comment
  SD137649  Ceanothus leucodermis Darin L. Banks, Steve Boyd 1995-3-16 98 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia mtn., E of the Dripping Springs alcove, Arroyo Seco drainage. 548 Comment
  RSA606746  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27402 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCR54252  Ceanothus palmeri David Charlton 1988-5-21 1955 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  UCR101450  Ceanothus perplexans A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22236 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  CDA1875  Cenchrus echinatus T. C. Fuller 1962-10-2 9695 Riverside 4.0 miles southeast of Mecca; SW corner of Hayes Street & Hwy. 111 to Niland, 0 Comment
  SD144500  Cenchrus echinatus A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19766 Riverside Colorado Desert: Palm Springs area, Indian Ave. at I-10 Freeway, Garnet. 188 Comment
  UCR112478  Cenchrus echinatus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23326 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR182505  Centaurea melitensis Mitch Provance 2005-5-17 6564 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
  SD152949  Centaurea solstitialis Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7690 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  UCR135857  Centaurium venustum A. C. Sanders 2004-4-20 27529 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR21550  Centaurium venustum W. W. Mayhew 1980-7-18 s.n. Riverside Santa Rosa Mtns., 1 mi. south of Hwy 74 on the road to Santa Rosa Peak. 1585 Comment
  SD204959  Centranthus ruber R. F. Thorne, W. Wisura dn Dave Michener 1982-5-24 55194 Riverside Peninsular Ranges; Santa Ana Mountains region, along Ortega Highway. 732 Comment
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Oct 27 2011
  CAS-BOT-BC279123  Centromadia pungens subsp. laevis David D. Keck 1932-10-2 1946 Riverside Just north of Temecula Comment
  RSA737355  Centromadia pungens subsp. laevis Justin M. Wood 2008-9-19 138 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM2210  Centrostegia thurberi H. M. Hall 1905-05 6021 Riverside Cottonwood Mountains, Colorado Desert 610 Comment
  RSA198954  Cerastium glomeratum R. F. Thorne, O. Clark, S. Carlquist 1968-4-18 37428 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  LA47755  Cercocarpus betuloides L. Haines; L. Erickson 1937-4-10 sn Riverside Palms to Pines Highway Comment
  RSA650397  Cercocarpus betuloides C. J. Humphrey, Herbert Humphery, E. T. Bartholomew 1936-6-7 130 Riverside In desert foothills 16 miles north of Riverside. 396 Comment
  UCR18833  Cercocarpus betuloides John C. Roos 1948-5-15 3854 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  CAS-BOT-BC135494  Cercocarpus betuloides var. betuloides A. C. Sanders; N. Ferguson 1994-6-2 14625 Riverside San Jacinto Mountains: Bautista Canyon ca. 1 mile above the foerst service boundary. 850 Comment
  UC1366099  Cercocarpus betuloides var. betuloides K. R. Montgomery 1969-9-6 47 Riverside 18 mi s of Hemet (Wilson Valley Road) 1097 Comment
  UCR90351  Chaenactis artemisiifolia Scott D. White 1995-6-30 3436 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  CAS-BOT-BC276380  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  SBBG65660  Chaenactis carphoclinia M. N. Ackley -Feb-1926 254 Riverside near Edom 64 Comment
  UC472219  Chaenactis carphoclinia var. carphoclinia Joseph Grinnell 1910-3-18 Riverside Riverside Mt. Colorado River, Riverside Mt. Comment
  UCR3472  Chaenactis carphoclinia var. carphoclinia Sally Bell 1964-3-24 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, along Washington [Street], c. 3.5 mi. north of the 'Indio Freeway' (= Hwy I-10) 76 Comment
  JEPS5008  Chaenactis fremontii Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4072 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  RSA0124032  Chaenactis fremontii Duncan S. Bell, LeRoy Gross 2016-3-10 8877 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
  RSA151072  Chaenactis fremontii Peter H. Raven 1962-4-7 17114 Riverside Whitewater Wash 1.5 miles north of U.S. Highway 70--99. Comment
  RSA314647  Chaenactis fremontii R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55440 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA339646  Chaenactis fremontii R. F. Thorne, C. W. Tilforth 1980-5-28 54239 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. 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
  RSA783830  Chaenactis fremontii J. D. Olmsted 1958-3-29 75 Riverside Joshua Tree National Monument. Transition zone with interior drainage to Pinto Basin 5 mi north of junction between Cottonwood Pass and Cottonwood Springs Roads on the former, which becomes Pinto Basin Road. 732 Comment
  UCD130341  Chaenactis fremontii R. L. Smith 1948-3-24 s.n. Riverside foot of Andreas Canyon. Comment
  UCR3460  Chaenactis fremontii Tom Painter 1964-3-26 32664- 05 Riverside Western Colorado Desert, 2 miles north of I-US Hwy 99 [=I-10] and Twentynine Palms Rd [=Hwy 62] intersection Comment
  UCR133425  Chaenactis glabriuscula Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 209 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  POM158451  Chaenactis glabriuscula var. glabriuscula Philip A. Munz 1927-5-21 10877 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  SEINET7063048  Chaenactis glabriuscula var. glabriuscula A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  CHSC108501  Chaenactis stevioides Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  HSC101261  Chaenactis stevioides Jim Andre 2012-3-19 21353 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA0039853  Chaenactis stevioides Duncan S. Bell, Evan Meyer 2014-4-2 6508 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA779020  Chaenactis stevioides Duncan S. Bell 2010-4-1 652 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  POM147695  Chaenactis stevioides var. stevioides Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
  CDA35263  Chamaesyce polycarpa M. Wasbauer 1960-3-26 s.n. Riverside Shaver s Summit. 0 Comment
  POM2680  Chamaesyce polycarpa var. hirtella I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon . Comment
  CDA4802  Chamaesyce prostrata Steve Boyd 1989-7-9 3781 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  JEPS20750  Chamaesyce setiloba Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13254 Riverside Highway U.S. 95, 11.3 mi n Blythe; Big Maria Mts. Comment
  RSA0062785  Chamaesyce setiloba Duncan S. Bell, Evan Meyer 2014-10-22 7655 Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  RSA4  Cheilanthes clevelandii J. T. Howell 1927-8-2 552 Riverside Near Banning. 671 Comment
  RSA0104417  Cheilanthes covillei Duncan S. Bell 2015-2-6 7736 Riverside Santa Rosa Mountains; along Cactus Spring Trail, where the trail crosses Horsethief Creek. 1054 Comment
  POM890  Cheilanthes newberryi Philip A. Munz 1918-4-27 2121 Riverside Perris Hills Comment
  RSA413253  Cheilanthes newberryi James C. Dice, Tu Chung 1987-10-19 738 D Riverside at head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station site and just ENE of weather station. 329 Comment
  RSA685792  Cheilanthes newberryi Anonymous s.n. Riverside San Jacinto. Comment
  SJSU1759  Cheilanthes newberryi G. B. Youngberg 1956-3-27 177 Riverside hills near La Sierra College, Arlington 231 Comment
  UCR20821  Cheilanthes newberryi A. C. Sanders, Steve Boyd 1980-5-2 00959 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UC399593  Cheilanthes parryi S. B. Parish 1907-4-18 6113 Riverside Palm Springs; Colorado Desert Comment
  UC669240  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-2-28 1875 Riverside Andreas Canyon; San Jacinto Mts 335 Comment
  UCR282307  Cheilanthes parryi Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 814 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 396 Comment
  UCR89550  Cheilanthes parryi A. C. Sanders, C. L. Sanders, P. J. MacKay, S. D. White, O. F. Clarke 1994-11-27 15868 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  UCR91550  Cheilanthes parryi A. C. Sanders, C. L. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay 1995-2-12 15925 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of East Double Canyon, Little San Bernardino Mtns, 1.4 mi above Aqueduct Rd. 581 Comment
  RSA0047238  Cheilanthes parryi Jack Rempel 1934-3-3 s.n. Riverside Berdoo Canyon, Little San Bernardino Mountains. 671 Comment
  UC199910 Image available Cheilanthes viscida J. G. Lemmon and wife Riverside San Gorgonio Pass Comment
  RSA667299  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Jilberto s Mexican Restaurant, c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  UCR126980  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  RSA0114928  Chenopodium berlandieri Mitch Provance 2012-7-17 712 -16 Riverside Beaumont Plain: Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  UCR261487  Chenopodium berlandieri A. C. Sanders, Katie Young, John Hale 2015-4-22 41584 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  UCR271709  Chenopodium berlandieri var. zschackei Mitch Provance 2011-7-4 17177 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCR230213  Chenopodium californicum A. C. Sanders 2011-4-6 38984 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
  SEINET10904483  Chenopodium incanum Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 32 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  UCR167794  Chenopodium murale T. B. Salvato, Melissa Clemons 2005-6-23 1318 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  SD146303  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance and B. Pitzer 2000-9-27 23682 Riverside Santa Ana River Valley; southwest side of Mt. Rubidoux, northwest of the intersection of Tequesquite Ave. and Gregory Road. 231 Comment
  UCR113609  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23719 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  RSA777289  Chilopsis linearis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4551 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  LA204144  Chilopsis linearis subsp. arcuata Louis Wheeler; 1933-12-1 2281 Riverside San Gorgonio Pass, San Gorgonio wash at S.P. RR 640 Comment
  LA204150  Chilopsis linearis subsp. arcuata S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  OBI20565  Chilopsis linearis subsp. arcuata Louis C. Wheeler 1933-12-1 2281 Riverside San Gorgonio Wash at S. P. RR, San Gorgonio Pass 640 Comment
  RSA455305  Chilopsis linearis subsp. arcuata D. A. Young 1969-8-17 P- 505 Riverside Colleted approx. 3 mi. SE of Whitewater, Calif. on Hiway 111, on the S. side of the road. 335 Comment
  POM248430  Chloracantha spinosa Philip Crow 1939-7-7 s.n. Riverside Blythe Comment
  UCR23855  Chloris gayana John C. Roos 1965-9-16 s.n. Riverside San Jacinto Comment
  CDA1888  Chloris truncata R. E. Riefner Jr. 2003-5-27 03 -254 Riverside Perris-Aguanga Region; Perris Valley, Rider Street near Perris Valley Storm Drain. Comment
  RSA392617  Chorizanthe brevicornu var. brevicornu Anstruther Davidson 1903-5-3 s.n. Riverside Thermal Comment
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Aug 9 2010
  UC849122  Chorizanthe brevicornu var. brevicornu C. L. Hitchcock 1940-3-30 5876 Riverside Cottonwood Spring Comment
  UCSB22185  Chorizanthe brevicornu var. brevicornu Keefe, Joseph 1967-3-23 Riverside Rocky, southwest facing slope above 29 Palms Highway, 3.8 miles north of Mission Creek Road, Morongo Valley. 777 Comment
  UCR238217  Chorizanthe coriacea Mark A. Elvin 2005-5-24 4320 Riverside Peninsular Range; Perris-Aguanga Basin Region, SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  RSA392661  Chorizanthe corrugata Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
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Dec 3 2007
  RSA554027  Chorizanthe corrugata A. C. Sanders, E. J. Lawlor 1992-4-4 12135 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR58855  Chorizanthe fimbriata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3628 Riverside Butterfield Valley, Vail Lake area, just south of junction of Hwy 79 and road to the marina 460 Comment
  UCR1214  Chorizanthe fimbriata var. fimbriata Standley 1960-5-11 s.n. Riverside Perris-Aguanga Basin Region, 8 miles east of Temecula on Hwy 71 [=79] to Warner Springs, near Vail Lake and Dripping Springs 500 Comment
  CLARK-A1045-309  Chorizanthe leptotheca George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains Murrieta 7.5'Q Comment
  UCR205449  Chorizanthe leptotheca Diane Menuz 2008-6-19 466 Riverside Peninsular Ranges: San Jacinto Mts, Garner Valley; c 0.3 mi east of Hwy 74, north of Morris Ranch Rd 1374 Comment
  JEPS57785  Chorizanthe parryi var. parryi W. L. Jepson 1935-4-19 17073 Riverside San Gorgonio Pass Comment
  UC450107  Chorizanthe parryi var. parryi F. M. Reed 1907-6-10 1423 Riverside Riverside and vicinity 304 Comment
  UCR217661  Chorizanthe parryi var. parryi Ana Hernandez 2010-5-27 023 Riverside Perris-Aguanga Basin, Harford Spring. 2km northeast of Gavilan Peak and 235m east of Gavilan Road 598 Comment
  RSA784660  Chorizanthe polygonoides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 67 Riverside South main divide road splitting Comment
  RSA543592  Chorizanthe polygonoides var. longispina Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6143 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 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
  UC1543906  Chorizanthe polygonoides var. longispina Barbara Ertter and Jeffrey Strachan 1980-5-22 3490 Riverside Dripping Springs Campground Cleveland National Forest (hills on e side, near Hwy 79 between Aguanga and Temecula, n of Wild Horse Peak) 609 Comment
  UCR228830  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato 2011-4-4 38973 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  UCR256750  Chorizanthe polygonoides var. longispina T. B. Salvato, Matthew Malle 2013-4-10 7530 Riverside Gavilan Hills, southeastern slopes, 0.30 mi north of the Temescal Canyon and 0.15 mi northwest of Black Powder Canyon 402 Comment
  UCR281262  Chorizanthe polygonoides var. longispina Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 37 Riverside Peninsular Ranges, Sedco Hills (east end), along Beverly St. (especially the S side), between Green Meadow Way and Upton Dr. 537 Comment
  UCR31330  Chorizanthe polygonoides var. longispina A. C. Sanders 1980-5-1 1365 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  RSA746814  Chorizanthe procumbens Michael Honer 2003-7-15 1844 Riverside Rainbow area, just north of the San Diego County boundary and west of the I-15 Freeway. 366 Comment
  SD237560  Chorizanthe xanti subsp. leucotheca Robert J. Steers, s.n., Stan C. Spencer, Matt Willis 2009-6-1 Riverside San Gorgonio Pass; nea the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi WSW of the corner of Dailey Road and Sullivan Road (Cabazon 7.5'Q) 675 Comment
  UCR209521  Chorizanthe xanti subsp. leucotheca Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  UCR23785  Chrysothamnus nauseosus John C. Roos 1943-10-16 2738 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  POM295630  Chrysothamnus paniculatus Lyman Benson 1952-12-29 15085 Riverside 2 miles NW of the jct of Hwy 99 and Palm Springs Road 457 Comment
  RSA5581  Chrysothamnus paniculatus C. B. Wolf 1932-10-13 4314 Riverside 0.5 mile before reaching Cottonwood Springs, Eagle Mountains, Colorado Desert 290 Comment
  UCR150652  Chrysothamnus paniculatus Bern Schwenn 1994-10-30 s.n. Riverside Joshua Tree National Monument, Little San Bernardino Mtns, near mouth of E tributary of Little Morongo Canyon. In and out of Joshua Tree National Monument Comment
  CAS-BOT-BC100783  Chrysothamnus viscidiflorus subsp. viscidiflorus Rev. J. C. Nevin s.n. Riverside San Jacinto Mts. Comment
  CAS-BOT-BC160638  Chylismia claviformis subsp. aurantiaca John H. Thomas 1957-3-30 6533 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highway 60 and 70. Colorado Desert 518 Comment
  UC1184383  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11623 Riverside 4.3 mi s Rice Comment
  UC708731  Chylismia claviformis subsp. aurantiaca H. K. Wagnon 1944-4-2 381 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  UCSB4509  Chylismia claviformis subsp. aurantiaca Krogen, Roger 1957-1 Riverside 4 mi. S of Jct. of HWY 195 and HWY 60-70; at N edge of Orocopia mts Comment
  JOTR30217  Cirsium neomexicanum Leary, C. and Leary, Pat 1979-5-5 3031 Riverside Joshua Tree National Park. 1 mi SE of Quail Mtn., Joshua Tree National Monument; T2S sec 14 Comment
  CAS-BOT-BC289648  Cirsium occidentale var. californicum R. M. Howie 1952-5-1 s.n. Riverside San Timoteo Canyon, 5 miles w. of Beaumont Comment
  CAS-BOT-BC289649  Cirsium occidentale var. californicum R. M. Howie 1952-9-22 s.n. Riverside San Timoteo Canyon, west of Beaumont Comment
  UCR136249  Cirsium occidentale var. californicum A. C. Sanders 2004-4-20 27573 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA448250  Clarkia bottae J. D. Olmsted 1962-5-10 3620 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  UCR174560  Clarkia dudleyana Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 101 Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  SEINET255567  Clarkia purpurea Unknown 2005-5-7 30034 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  CSUSB239  Clarkia purpurea subsp. quadrivulnera Loretta Bates 1978-5-27 Riverside Along Tenaja Road, just north of Mesa de Burro on the Santa Rosa Plateau. Comment
  RSA652936  Clarkia purpurea subsp. quadrivulnera A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area: north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  SDSU8709  Clarkia purpurea subsp. quadrivulnera H. Wedberg 1962-5-23 938 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UC73290  Clarkia similis M. F. Gilman 1904-1 23 Riverside Banning Comment
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Mar 13 2011
  RSA710929  Clarkia unguiculata A. C. Sanders, Seung-Chul Kim 2005-5-7 30050 Riverside UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 457 Comment
  RSA655042  Claytonia parviflora Scott D. White 1999-6-6 7447 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  UCR121663  Claytonia parviflora subsp. viridis A. C. Sanders 1997-3-19 20012 Riverside Lake Skinner area, hills between Tucalota Creek and lower Rawson Canyon, c. 1/2 mi. (1 km) east of the lake 488 Comment
  RSA613462  Claytonia perfoliata D. L. Banks, Victor Steinmann 1997-3-13 1430 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SD129279  Clematis pauciflora Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: along Los Gatos Road, 1/2 mi. S of Buena Vista Road (2 mi. W of Sandia Canyon, & 0.1 mi. N of San Diego County line). 366 Comment
  RSA440823  Cleome isomeris E. Crow 1928-11-12 44 Riverside Morongo Valley, Colorado Desert. Comment
  UCR110  Cnicus benedictus Frank C. Vasek 1955-5-21 210 Riverside San Jacinto Mtns. Foothills, 6 mi east of Hemet [on Hwy 74; Valle Vista area] 549 Comment
  RSA0117417  Collinsia concolor N. C. Cooper 1944-5-20 1290 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  SFV3353  Collinsia heterophylla P. G. Kilburn 1958-5-31 836 Riverside San Jacinto Mountains Hemet Valley. 10.6 miles south of campground turnoff road, north of Idylwild. 1372 Comment
  UCR158715  Collinsia heterophylla A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30002 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
  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
  HSC28498  Colubrina californica Richard Spjut 1973-4-10 3296 Riverside Colorado Desert, N face of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  CDA35599  Condalia globosa var. pubescens Robert Cowell 1959-5-4 Riverside North of Bradshaw Stage Road, ca. 3/4 mile east of the Imperial Gas Line road, between Chocolate and Chuckwalla Mtns. 0 Comment
  UCR90495  Conium maculatum F. M. Reed 1933-6-27 7865 Riverside South Coast; San Bernardino Valley, Riverside, Bluffs Ranch, Chicago Ave near Arroyo Tequesquite, in Little Arroyo (Arroyo Chico) 293 Comment
  CAS-BOT-BC215979  Convolvulus Steve Boyd 1991-5-10 6219 Riverside Temescal Canyon, E base of Santa Ana Mountains, Terrace escarpment just SE of Indian Truck Trail offramp of I-15, S of De Palma Road 365 Comment
  UCR166292  Convolvulus simulans Chris E. True 2005-4-18 s.n. Riverside Peninsular Range, South of Lake Mathews near ranger station for Lake Mathews/Estelle Mtn. Preserve 451 Comment
  POM48403  Cordylanthus rigidus subsp. setiger Philip A. Munz, I. M. Johnston 1924-7-28 8808 Riverside Pine Flats. 1738 Comment
  UCR79254  Coreopsis californica Steve Boyd, T. S. Ross, O. Mistretta 1992-2-26 6701 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area: from Fisherman's Camp downstream to confluence w/ Bluewater Canyon 366 Comment
  SD239607  Corethrogyne filaginifolia A. C> Sanders 2010-11-18 38690 Riverside Peninsular Range: western Gavilan Hills; eastern edge of Corona, north end of radio tower ridge, 1.85 miles NNE (25a^z) of El Cerrito, 1 mile SSE (143a^z) of Home Gardens, just east of large rock quarry (Corona South 7.5'Q) 398 Comment
  UC31266  Corethrogyne filaginifolia H. M. Hall 1901-7-26 2530 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  UC485372  Corethrogyne filaginifolia F. M. Reed 1905-9-25 235 Riverside Arroyo Tequisquit [in Riverside] Comment
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Mar 10 2011
  POM223247  Cornus nuttallii M. Canby 1936-5-3 s.n. Riverside North Fork of San Jacinto River above Fuller Mill Creek. 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
  UCR171913  Crassula connata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR228931  Crassula connata A. C. Sanders 2011-4-7 39025 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
  SD125360  Crassula connata Robert F. Thorne, Earl Lathrop 1975-5-20 45501 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; vernally wet, clayey openings in grassland. 609 Comment
  RSA71017  Cressa truxillensis F. W. Peirson 1922-5-21 4254 Riverside near foot of Jack Rabbit Grade. (south of Moreno) 427 Comment
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Mar 20 2011
  UCR117385  Cressa truxillensis A. C. Sanders, T. B. Salvato 2001-5-25 24381 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  CAS-BOT-BC175815  Crossosoma bigelovii Theodore Labouchere 1915-4-15 s.n. Riverside Borders of the Colorado Desert on the easterly side of San Jacinto Mountain. In [Tahquitch Canon] Tahquitz Canyon Comment
  CAS-BOT-BC181564  Crossosoma bigelovii Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colorado Desert Comment
  JOTR37486  Crossosoma bigelovii Hodges, Stephen R. 2016-3-19 615 Riverside Joshua Tree National Park. Coxcomb Mountains, ascending north up Hummingbird wash towards the Inner Basin Comment
  OBI42546  Croton californicus B. Pitzer 1986-5-24 247 Riverside Whitewater Cyn, ca 5 mi N of hwy I-10 on Whitewater Cyn rd. From N edge of hatchery to ca. 1/4 mi N of hatchery boundary. Whitewater 7.5' quad T2S, R3E, NE 1/4 sec 22 Comment
  RSA33619  Croton californicus N. C. Cooper 1944-7-15 1546 Riverside Banning. 701 Comment
  UCR111576  Croton californicus Mitch Provance 1999-1-5 1739 Riverside Mira Loma, Delhi sand dune remnant on SE corner of Milliken Ave. and Patton Rd. 256 Comment
  SDSU13548  Croton setiger W. Miller, C. Mosse 1972-7-12 Riverside N.W. corner, roadside. Comment
  SD137960  Crypsis schoenoides Darin L. Banks, Steve Boyd 1995-10-17 806 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground, along the narrow benches where Arroyo Seco turns to the east just west of the Metasedimentary hills 1720 Comment
  UC1010304  Crypsis vaginiflora John C. Roos 1952-6-4 5735 Riverside river bottomland 1 1/2 mi se Perris; San Jacinto River 426 Comment
  JOTR30310  Cryptantha angustifolia La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1743 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  POM14354  Cryptantha angustifolia P. A. Munz, D. D. Keck 1922-4-9 4763 Riverside Shavers Well, near Mecca. 76 Comment
  RSA457762  Cryptantha angustifolia Steve Boyd, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2123 ` Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  SEINET4568268 Image available Cryptantha angustifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4593 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  VVC2472  Cryptantha angustifolia Tim Thomas 2013-3-18 5931 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  SEINET10455842  Cryptantha angustifolia David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-13 Dunn 2892 Riverside Pushawalla Canyon Biota. Indio Hills. Steep slopes on canyon side. Comment
  RSA782079  Cryptantha barbigera Duncan S. Bell 2009-3-9 118 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  SBBG81500  Cryptantha barbigera S. A. Junak 1983-3-23 1618 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  RSA777393  Cryptantha barbigera var. barbigera Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 791 Riverside Mecca Hills, just south of Shaver's Well 305 Comment
  UCR246835  Cryptantha barbigera var. barbigera Jim Andre 2012-3-19 21305 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UCR279588  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-28 43148 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  OBI20703  Cryptantha barbigera var. fergusoniae Robert F. Hoover 1969-4-11 11210 Riverside Mouth of Morongo Valley Cyn Comment
  RSA0029394  Cryptantha costata Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4682 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
  UCR116606  Cryptantha decipiens A. C. Sanders 2001-4-8 23978 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  JEPS67664  Cryptantha intermedia W. L. Jepson 1903-8-5 2267 Riverside near Strawberry Valley; Mt. San Jacinto 1767 Comment
  OBI42563  Cryptantha intermedia A. C. Sanders 1986-6-1 6538 Riverside San Jacinto Mts, along the trl toward Spitler Peak from the Hurkey Crk camp to Bonita Vista Rd (T5S, R3E, N1/2, sec 35) 1707 Comment
  POM145540  Cryptantha intermedia J. B. Feudge 1926-4-13 1845 Riverside Palm Springs, Colorado Desert. 152 Comment
  RSA517930  Cryptantha intermedia Steve Boyd 1986-3-1 1367 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  RSA699338  Cryptantha intermedia J. R. Bruff 1934-6-19 s.n. Riverside San Jacinto Mountains Comment
  RSA744305  Cryptantha intermedia Michael Wall 2009-3-27 499 -D Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  UC216104  Cryptantha intermedia Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UC402774  Cryptantha intermedia C. F. Baker 1903-4-5 4138 Riverside Hemet Comment
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Mar 24 2011
  UCSB5583  Cryptantha intermedia Gunnerson, Robert; G., D. 1953-3-22 Riverside At Devil's Garden Comment
  RSA0026297  Cryptantha intermedia John F. Emmel 1991-4-28 1167 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  JOTR30309  Cryptantha maritima La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1742 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  RSA681028  Cryptantha maritima Scott D. White, Michael Honer 2003-5-14 9281 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  UC489041  Cryptantha micrantha C. V. Meyer 1927-6-1 160 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  UC551812  Cryptantha micrantha F. R. Fosberg 1932-3-13 10625 Riverside Thousand Palms Canyon Comment
  UC857178  Cryptantha micrantha Lewis S. Rose 1937-4-10 37152 Riverside La Quinta 0 Comment
  RSA499653  Cryptantha micrantha var. lepida Ora M. Clark 1929-4-7 s.n. Riverside South of Aguanga Comment
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Nov 9 2011
  UCR110994  Cryptantha micrantha var. lepida George K. Helmkamp 1998-6-27 4113 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  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
  UCR120824  Cryptantha microstachys Ian G. Gillespie 2000-4-27 29 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 412 Comment
  UCR128918  Cryptantha microstachys A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23900 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR199742  Cryptantha microstachys Scott D. White, Justin Wood 2008-5-29 12047 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  UCR270176  Cryptantha microstachys A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42402 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCD119934  Cryptantha muricata Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3162 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 487 Comment
  UCR108475  Cryptantha muricata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16200 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
  UCR68609  Cryptantha muricata Steve Boyd, D. E. Bramlet 1990-4-29 4477 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  UCSB38651  Cryptantha muricata Cowan, Clark 1978-4-24 Riverside 19.6 mi. (31.3 km.) S on 74 from jct. w/ Hwy. 111 at Indian Wells Sta. Rosa Rd., 1 mi. (1.6 km.) S. of 74 Comment
  RSA0078869  Cryptantha muricata var. jonesii Scott D. White, Justin M. Wood 2009-5-21 12867 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  OBI66288  Cryptantha pterocarya LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1464 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region; Corn Springs campground in the Chuckwalla Mts. cyn SW of campground. UTMs 3721895N, 355238E; and UTM 3720669N, 654757e 549 Comment
  UCR88427  Cryptantha pterocarya var. pterocarya A. C. Sanders, K. C. Rose 1995-4-5 16350 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  VVC2460  Cryptantha pterocarya var. pterocarya Tim Thomas 2013-3-18 5942 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  GMDRC5808  Cryptantha pterocarya var. stenoloba J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24395 Riverside West Riverside Mountains;: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of 'Grommet' RR xing at Hwy 62 363 Comment
  JEPS67811  Cryptantha racemosa W. L. Jepson 1928-4-25 12580 Riverside Cottonwood Spr. Colorado Desert, Eagle Mts. 731 Comment
  UCR21519  Cucurbita foetidissima Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  JOTR35004  Cucurbita palmata La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3106 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  SD181582  Cuscuta subinclusa Scott D. White 1998-10-13 7182 Riverside Corona, near Bedford Cyn, dissected alluvial slope, foothills at eastern slope of Santa Ana Mtns, 'Joseph Canyon' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. USGS 7.5' corona South quad. 334 Comment
  RSA479905  Cycloloma atriplicifolium Steve Boyd 1987-5-9 2087 Riverside City of Riverside, J.V. Boyd residence, 2307 Oak Crest. Comment
  RSA0077468  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17728 Riverside Chuckwalla Mountains, Corn Springs Wash, 4km west of Aztec Well. 727 Comment
  SEINET4604351 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-9-11 17610 .2 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 275 m west of Wood Spring, 580m SW of Cottonwood Spring, 37km east of Indio 881 Comment
  CAS-BOT-BC56160  Cylindropuntia echinocarpa L. R. Abrams 1926-3-26 11211 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA658861  Cymopterus panamintensis var. acutifolius J. C. Roos 1947-2-15 3243 Riverside Lost Palms Cyn. S face of Eagle Mtns., west of Hayfeilds. Comment
  RSA544301  Cynara cardunculus Steve Boyd 1991-7-13 6406 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  UCR92608  Cynodon dactylon Scott D. White, M. A. Patten 1995-8-16 3559 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  RSA650408  Cynodon dactylon David B. Dunn 1947-7-12 2966 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
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May 24 2012
  UCR92728  Cyperus difformis A. C. Sanders 1994-7-26 15150 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  RSA522104  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3797 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR93207  Cyperus eragrostis Scott D. White 1995-8-23 3566 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA736909  Cyperus niger Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10680 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR118779  Cyperus retrorsus A. C. Sanders, T. B. Salvato, G. P. Schultz, Steve Morgan 2001-11-15 24885 Riverside UCR Botanic Garden, east side of the UCR campus 396 Comment
  CAS-BOT-BC70570  Cystopteris fragilis H. E. Hasse 1903-7-1 s.n. Riverside Tahquitz Valley, San Jacinto Mt. Comment
  UCR24893  Cystopteris fragilis A. C. Sanders 1980-7-22 1700 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  RSA0042919  Dalea mollis Duncan S. Bell, Evan Meyer 2014-4-2 6496 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  POM252681  Dasyochloa pulchella H. S. Yates 1937-3-24 6454 Riverside Deep Canyon, Coachella Valley 457 Comment
  POM15049  Datisca glomerata Mary F. Spencer 1922-6-26 1973 Riverside Idyllwild 1524 Comment
  RSA502504  Datisca glomerata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3564 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  SEINET6421148 Image available Datisca glomerata Victor Duran 1933-1 3494 Riverside Near Santa Rosa, Santa Rosa Mountains 1829 Comment
  UC534829  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside near Santa Rosa (Santa Rosa Mountains); Santa Rosa Mountains 1828 Comment
  CLARK-A1528-4341  Datura discolor John C. Roos 1965-11-6 Riverside Colorado Desert Comment
  CSUSB776  Datura meteloides R. C. Smith 1972-6-22 Riverside Santa Ana Riverbed on Boulder Ave. 365 Comment
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Aug 31 2014
  JEPS12291  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shaver Wells Comment
  UCD126635  Datura wrightii William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR91488  Daucus pusillus Scott D. White, Marty Jacobsmeyer 1996-4-20 3960 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  CAS-BOT-BC293825  Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside Vicinity of Riverside. Highgrove 365 Comment
  RSA0097761  Deinandra kelloggii Marc A. Baker, Danny Cuellar, Chris Taylor, Paul Roberge, Cecile Shohet, Youssef Atallah 2015-7-3 18376 Riverside 1.8 km south of San Timoteo Wash, 15 km SE of central San Bernardino, 35m south of the San Bernardino County line. 491 Comment
  JEPS38269  Deinandra paniculata W. L. Jepson 1901-5-17 1226 Riverside Comment
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May 15 2011
  UC69877  Deinandra paniculata C. M. Wilder 1905-7-10 127 Riverside Jurupa Hills Comment
  UC1031414  Delphinium parishii H. Lewis and C. Epling 1941-5-2 Riverside 1 mi w Cottonwood Spring; Joshua Tree Nat. Mon. Comment
  RSA0018983  Delphinium parishii subsp. parishii I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  RSA614094  Delphinium parryi D. L. Banks 1997-4-5 1697 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  CAS-BOT-BC121433  Delphinium parryi subsp. parryi P. C. Everett 1935-6-17 7160 Riverside Santa Ana Mts., Coldwater Canyon, trail to Santiago Peak, 2 mi above Glen Ivy Resort 609 Comment
  CAS-BOT-BC121437  Delphinium parryi subsp. parryi Marion L. Campbell 1921-3-26 57 Riverside Banning Comment
  SDSU13373  Delphinium parryi subsp. parryi Tarja Sagar 2000-5-20 29 Riverside SMER. 300 m ESE from Northside Field Station along interpretive trail. 323 Comment
  UC188655  Delphinium parryi subsp. parryi S. B. and W. F. Parish Mar 1883 256 Riverside border Colorado Desert; Cabezon Station, S.P.R.R. Comment
  UCR265824  Delphinium parryi subsp. parryi Mitch Provance 2012-5-24 512- 05 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
  RSA400030  Delphinium patens subsp. hepaticoideum J. C. Marvin 1921-4-1 s.n. Riverside Near Banning. Comment
  UCD63292  Deschampsia elongata Peter Kamb 1950-7-9 1907 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  UC489085  Descurainia obtusa subsp. adenophora C. V. Meyer 1928-7-26 522 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  RSA0120236  Descurainia pinnata subsp. brachycarpa Duncan S. Bell, Thomas Stoughton 2016-4-14 9282 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  POM489  Descurainia pinnata subsp. glabra I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  POM7044  Descurainia pinnata subsp. glabra P. A. Munz, L. T. Street, G. Williams 1919-3-28 2371 Riverside San Gorgonio Pass, near Banning 701 Comment
  UC3251  Dichelostemma capitatum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UCR151955  Dichelostemma capitatum Steve Boyd, Aydee Virgen 2004-4-13 10858 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  IRVC55  Dichelostemma capitatum subsp. capitatum Lorene Lewton 1965-4-24 HS 0079 Riverside Hwy 71 [79] 1.5 mi. W of Dripping Springs Guard Station. Palomar Mtns 488 Comment
  RSA501057A  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3174 A Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  PASA833  Dicoria canescens Frank W. Peirson 1920-12-29 Riverside One and one-half miles east of Thite-water 304 Comment
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Nov 12 2014
  UC1523589  Dicoria canescens Robert F. Thorne and C. W. Tilforth 1980-5-28 54158 Riverside n-s rocky ridge at e side Whitewater River (at mouth of canyon, ca. 1/4 - 1/2 mi e of Whitewater Post Office); San Bernardino Mts., Colorado Desert Comment
  UCR207327  Digitaria sanguinalis O. F. Clarke 2000-1-11 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR207344  Digitaria sanguinalis O. F. Clarke 2004-5-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SEINET3829010  Diplachne fusca var. uninervia Malcolm A. Nobs, S. Galen Smith 1948-1 494 Riverside Citrus grove, 2 miles north of Indio. Comment
  SEINET197422 Image available Diplacus bigelovii var. bigelovii Helen K. Sharsmith 1952-1 4061 Riverside Lost Palms Canyon, Eagle Mountains, ca 2 mi from Shaver Summit 671 Comment
  SD152746  Diplacus brevipes Steve Boyd, T. Ross, D. Bramlet 1993-5-12 7334 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream fro confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  RSA0019415  Diplacus fremontii Noel Holmgren, Liew Fah Seong 1969-6-17 3580 Riverside San Jacinto Mountains, county road R1, at Black Mountain turnoff, 8.5 miles north of Idyllwild. Comment
  CAS-BOT-BC150679  Diplacus longiflorus Carl B. Wolf 1932-5-24 3657 Riverside No. base of San Jacinto Mts. Snow Creek Canyon, 1 mi. above fish hatchery 792 Comment
  CAS-BOT-BC168490  Dipsacus sativus Kurt Campbell 2006-6-15 s.n. Riverside Perris-Aguanga Basin: Temecula, NW corner of Moraga Rd. and Rancho California Road 335 Comment
  CAS-BOT-BC195677  Distichlis spicata Frank W. Peirson 1922-4-29 4541 Riverside South of Lake Elsinore Comment
  SBBG104034  Distichlis spicata A. C. Sanders 1993-4-1 13659 Riverside western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St and Devonshire Ave, 0.75 mi NE of the intersection of Florida Ave (Hwy 74) and Warren Rd Comment
  RSA70429  Ditaxis lanceolata F. W. Peirson 1914-04 2042 Riverside Whitewater, Nw corner of Colorado Desert, River Co. Comment
  UC1547004  Ditaxis lanceolata Leila M. Shultz and John S. Shultz 1985-4-18 8327 Riverside 1 mi. w. <Astec> Well (and 11.7 mi. s. of Hwy. (I-15)); Chuckwalla Mts. 615 Comment
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Apr 5 2011
  UCR41800  Ditaxis lanceolata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6026 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA708275  Ditaxis neomexicana Scott D. White, Brian Leatherman 2005-5-4 11012 Riverside Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. 24 Comment
  SD143929  Ditaxis neomexicana G. K. Helmkamp, A. C. Sanders, P. McKay, T. Thomas 1997-2-8 19685 Riverside Colorado Desert/San Jacinto Mountains, Palm Springs area, Murray Canyon off Palm Canyon, on south side of boulders along trail near the mouth of the canyon 244 Comment
  RSA0040166  Dithyrea californica Sarah J. De Groot, April Garbat 2013-3-28 6996 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains. 152 Comment
  RSA155552  Dithyrea californica L. S. Rose 1962-3-2 62003 Riverside La Quinta 3 Comment
  RSA485838  Dithyrea californica T. S. Elias 1988-2-26 10685 Riverside Joshua Tree. Northeastern section of Eagle Mountains east of Joshua Tree National Monument. Comment
  RSA697423  Dithyrea californica J. R. Bruff 1927-3-12 2 -R Riverside Fingal Comment
  UC186810  Dithyrea californica S. B. and W. F. Parish April 1882 15 Riverside Whitewater, borders of the Colorado Desert Colorado Desert Comment
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Jul 15 2009
  UC724130  Dithyrea californica Aven and Ruth Nelson 1939-3-28 3303 Riverside s of Mecca Comment
  CDA36024  Dittrichia graveolens Lee Jones 2010-11-19 s.n. Riverside Beaumont; San Timoteo Canyon Rd. at entrance to golf course maintenance bldg., c. 1.8 mi. west of intersection with I-10. Comment
  RSA784514  Dodecahema leptoceras Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 71 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  CAS-BOT-BC136107  Dodecatheon alpinum H. M. Hall 1901-7-1 2348 Riverside Tahquitz [Tauquitz] Valley - San Jacinto Mountains 2499 Comment
  POM78481  Dodecatheon alpinum subsp. majus H. M. Hall 1901-06 2348 Riverside Tahquitz Valley 2500 Comment
  RSA5472  Dodecatheon alpinum subsp. majus Carl B. Wolf 1932-8-5 s.n. Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  RSA510028  Dodecatheon clevelandii B. Pitzer, E. Misquez 1988-2-28 623 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  RSA263692  Downingia cuspidata E. W. Lathrop 1977-4-24 7513 Riverside Mesa de Burro, 3 miles west of Murrieta. Santa Rosa Plateau. 610 Comment
  RSA697425  Draba corrugata J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mountain Comment
  SD67923  Draba corrugata var. saxosa Reid Moran 1968-8-3 15358 Riverside north slope, ridge 1 mile NW of Toro Peak 2250 Comment
  CSUSB810  Draba cuneifolia James K. Ryan 1969-3-26 23 Riverside 100 feet uphill beyond Canyon Reservoir at end of Blaine street 426 Comment
  UCR22108  Draba cuneifolia Steve Boyd 1980-5-15 271 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  RSA66561  Draba cuneifolia var. integrifolia F. W. Peirson 1920-2-16 2326 Riverside Palm Canyon Creek near Palm Springs. Comment
  UC488973  Drymocallis glandulosa C. V. Meyer June 1927 189 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  RSA495424  Dryopteris arguta Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2950 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  SEINET10794022  Dryopteris arguta George Yatskievych, K. G. Preston, Mafham 1981-4-26 Yatskievych 81 -143 Riverside State Highway 74, 5.8 mi. SW of El Carizo Guard Station. San Juan Canyon; Santa Ana Mountians. T06S R05W S31 - NE4. 500 Comment
  RSA680519  Dudleya lanceolata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR130867  Dudleya lanceolata Mitch Provance 1998-6-10 636 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  SDSU13053  Dudleya pulverulenta James C. Dice with J. Dewald 1987-9-28 728 Riverside North side of Temecula Gorge, ca. 4.1 km ENE of Galivan Mountain. T82, R2W, northeast 1/4 of northeast 1/4 of section 27. 347 Comment
  CAS-BOT-BC109605  Dudleya saxosa subsp. aloides Reid Moran 1950-4-28 3407 Riverside Whitewater. 457 Comment
  JOTR32293  Dudleya saxosa subsp. aloides Herskovits, Tasya, M. Harding, D. Oquendo 2011-5-5 7 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Steep, rocky/gravelly side drainage of main canyon (Stop 4) 1371 Comment
  RSA249461  Dudleya saxosa subsp. aloides John F. Emmel 1973-5-12 451 Riverside Dos Palmas Spring & Carrizo Creek wash, NE of Pinyon Crest, E end of San Jacinto Mts. 1067 Comment
  SD48455  Dudleya saxosa subsp. aloides L. W. Lenz 1957-6-7 22623 Riverside Ca. 15 miles south of Hemet, along Highway 79. Comment
  UC933327  Dudleya saxosa subsp. aloides Reid Moran 1946-3-20 1944 Riverside San Andreas Canyon Comment
  CAS-BOT-BC197075  Echinochloa crus-galli S. B. Parish 1913-9-20 8618 Riverside Mecca, Salton Sink 57 Comment
  RSA0089285  Echinodorus berteroi David E. Bramlet 2005-7-13 3892 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, east of old San jacinto River channel. 433 Comment
  UCR145572  Eclipta prostrata Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  UCR199669  Eclipta prostrata Scott D. White, Lynn Stafford 2007-6-27 11751 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  UCR153984  Ehrharta longiflora Arlee Montalvo, Julie M. Evans 2005-5-14 662 Riverside Santa Ana Mtns., Foothills of Santa Ana Mtns. Santa Margarita River at the Santa Margarita Ecological Reserve. At edge of sandy/rocky channel of riparian area 244 Comment
  RSA336064  Elatine chilensis R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51979 Riverside Santa Rosa Plateau: Mesa de Colorado. 609 Comment
  RSA357160  Elatine chilensis R. F. Thorne, E. W. Lathrop 1975-5-25 45546 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  UCR232773  Eleocharis acicularis William Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 015 Riverside Peninsular Range; San Jacinto Mtns., Skunk Cabbage Meadow 2449 Comment
  RSA199001  Eleocharis acicularis var. acicularis Robert F. Thorne 1968-4-18 37455 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  SD186018  Eleocharis macrostachya A. C. Sanders, Kelly Volansky 2005-3-17 29234 Riverside French Valley, southeast of Winchester Rd., between Thompson Rd. and Benton Rd. 412 Comment
  SD217164  Eleocharis macrostachya Steve Boyd 1986-5-1 1784 Riverside Southwestern Perris Basin: Hill west of Skunk Hollow Comment
  UCD49843  Eleocharis montevidensis A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-7 24170 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. 502 Comment
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Mar 24 2011
  UCR109744  Eleocharis montevidensis T. W. Fisher 1963-10-3 s.n. Riverside Peninsular Range, Temecula area, Vail Lake 457 Comment
  CAS-BOT-BC112270  Eleocharis rostellata W. R. Dudley 1903-12-26 s.n. Riverside Palm Springs Comment
  POM12148  Elymus elymoides Mary F. Spencer 1921-6-15 1692 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  UC38220  Elymus elymoides subsp. elymoides H. M. Hall June, 1901 2073 Riverside vicinity of Chalk Hill San Jacinto Mountains (s slopes) 1524 Comment
  UCR167864  Elymus glaucus T. B. Salvato, John F. Green 2004-5-27 646 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
  NY43125  Emmenanthe penduliflora J. B. Walker 1995-5-4 1415 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  RSA772573  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5009 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. 732 Comment
  UC56882  Emmenanthe penduliflora H. M. Hall Apr 1902 Riverside Coyote Canyon; in the west borders of Colorado Desert 152 Comment
  JOTR34048  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2948 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  RSA679112  Emmenanthe penduliflora var. penduliflora M. Wall, Sean Wall 2003-4-26 307 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. Comment
  CAS-BOT-BC131160  Encelia actoni Mary F. Spencer 1919-7-9 1188 Riverside Foothills of San Jacinto Mt. 571 Comment
  CLARK-A1528-1809  Encelia farinosa John C. Roos 1952-4-9 5509 Riverside Riverside 335 Comment
  RSA678220  Encelia farinosa Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1087 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  SBBG115962  Encelia farinosa D. W. Kyhos 1965-3-13 65 -111 Riverside ca. 6.2 mi W of jct of Hwy St 78 and US Hwy 60-70, near Blythe Comment
  SEINET2050632 Image available Encelia farinosa H. S. Gentry 1948-5-29 8170 Riverside Cajalco Road, Comment
  UCR254624  Encelia farinosa Jim Andre 2013-3-21 24400 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UCR37792  Encelia farinosa A. C. Sanders 1985-3-1 5390 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  SEINET7845929 Image available Encelia farinosa D. W. Kyhos 1965-3-13 65 -111 Riverside 6.2 mi W of junction Hwy 78 and Hwy 60-70 near Blythe. Comment
  POM356683  Encelia farinosa var. farinosa Ora M. Clark 1929-2-24 153 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  POM356685  Encelia farinosa var. farinosa L. E. Hoffman 1933-2-18 s.n. Riverside Above Garnet, Coachella Valley Comment
  RSA781914  Encelia frutescens Duncan S. Bell 2010-5-1 896 A 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
  JEPS49119  Ephedra Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio (Carrizo Canyon); Colorado Desert, Carrizo Canyon 304 Comment
  PASA1843  Ephedra californica R. Peirce 1966-5-17 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA107852  Ephedra californica L. S. Rose 1955-3-14 55028 Riverside Whitewater Wash, 3 mi se. of Palm Springs Station. 305 Comment
  RSA770791  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4532 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
  UC813664  Ephedra fasciculata var. clokeyi I. W. Clokey 1935-4-17 6512 Riverside Cottonwood Springs Comment
  SDSU3630  Ephedra nevadensis A. H. Gallup 1949-3-28 359 Riverside South slope, Palms to Pines Hwy. above Desert Center, San Jacinto Mt. Range 762 Comment
  SEINET6082341  Ephedra nevadensis Unknown 1956-2-24 7175 Riverside Pines to Palms Highway. Ca 0.45 mi downhill from the 3000 ft. marker. Comment
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Oct 24 2015
  CSUSB251  Epilobium adenocaulon var. parishii Lynn Baasch 1971-5-16 Riverside University of California, Riverside campus; Hill south of reservoir, which is south of Picnic Hill. Unnatural running water. Comment
  UCSB37835  Epilobium campestre Roos, John 1952-5-28 Riverside San Jacinto river bottomlands, 1 mile south-east of Perris 426 Comment
  OBI37516  Epilobium canum Steve Boyd 1985-8-7 1109 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Rd. 0.8 mi E of jctn with 8S01 and 8S02 Comment
  CAS-BOT-BC171744  Epilobium canum subsp. latifolium H. M. Hall 1897-7-17 694 Riverside Strawberry Valley, San Jacinto Mountains Comment
  UCR195131  Epilobium ciliatum A. C. Sanders, Tim Thomas 2008-8-1 35962 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  CLARK-A1528-3377  Epipactis gigantea John C. Roos 1941-8-2 87 Riverside San Jacinto Mountains 2133 Comment
  RSA381721  Epipactis gigantea A. Menke 1955-4-25 s.n. Riverside Andreas Canyon, Palm Springs. Comment
  UCD138937  Epipactis gigantea C. V. Meyer 1927-6-1 213 Riverside Half-way House, Lydyllwild Grade, Mt. San Jacinto. 1066 Comment
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Mar 21 2014
  UCR131004  Epipactis gigantea George H. Grinnell 1921-5-20 s.n. Riverside Riverside 366 Comment
  RSA740620  Equisetum arvense Scott D. White, Justin M. Wood 2008-7-8 12373 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UC1930143  Equisetum laevigatum Scott D. White, Justin Wood 2008-5-15 11977 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  JOTR38421  Eragrostis cilianensis Hodges, Stephen, A. Ingersoll 2015-8-26 650 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  UCR201870  Eragrostis cilianensis Justin M. Wood 2008-9-30 181 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR98119  Eragrostis mexicana Scott D. White, Megan Phillips 1992-4-29 s.n. Riverside San Jacinto Valley, large area on San Jacinto Reservior on N and E sides, east of Sanderson Street, and SW of Ramona Expressway Comment
  RSA800107  Eremalche exilis Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4765 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  RSA0015415  Eremalche exilis Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA432718  Eremalche rotundifolia E. C. Jaeger 1922-4-7 811 Riverside Chucawalla Bench, Colorado Desert. 259 Comment
  RSA703742  Eremalche rotundifolia LeRoy Gross 2005-3-3 1566 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  CAS-BOT-BC160064  Eremothera boothii subsp. condensata F. H. Billings 1926-2-1 31 Riverside Near Indio Comment
  UCSB4441  Eremothera boothii subsp. condensata Broder, Richard 1958-3-1 Riverside 1.5 miles south of south entrance to Joshua Tree National Monument on U.S. 60-70 Comment
  UCR50890  Eriastrum eremicum A. C. Sanders 1988-5-11 7810 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UCR182445  Eriastrum sapphirinum Mitch Provance 2005-5-27 4608 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  RSA0121586  Eriastrum sapphirinum subsp. dasyanthum Marcy Keys 1981-5-16 63 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  RSA0122947  Eriastrum sapphirinum subsp. dasyanthum L. C. Wheeler 1962-7-26 8180 Riverside Temescal Valley. Comment
  RSA0063623  Eriastrum sapphirinum subsp. sapphirinum J. D. Olmsted 1959-8-18 784 Riverside Reservoir Hill at Desert Sun School near Idyllwild. Mt. Range: San jacinto; Drainage Area: M. Fk. S. Jacinto R. 1646 Comment
  UCR149852  Ericameria cooperi Scott D. White, Michael Honer 2004-4-6 10047 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  JEPS19180  Ericameria cooperi var. cooperi W. L. Jepson 1928-4-25 12642 Riverside White Tank Mohave Desert, White Tank 1371 Comment
  SD193071  Ericameria linearifolia W. J. Schrenk 2008-4-30 86 Riverside Anza-Borrego Desert State Park, Coyote Canyon Road 1000 Comment
  SD73603  Ericameria linearifolia Helen V. Witham 1970-4-29 818 Riverside 1299 Comment
  POM39789  Ericameria palmeri var. pachylepis Marcus E. Jones 1900-7-6 s.n. Riverside Perris. Comment
  CAS-BOT-BC299533  Ericameria paniculata A. C. Sanders; G. Helmkamp; O. Clarke; B. Pitzer; et al 1996-11-9 19647 Riverside Orocopia Mtns., near Bob's Cabin 5 mi. (air) S of Hayfield Pump Sta., E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo, Colorado Desert 609 Comment
  CAS-BOT-BC299537  Ericameria paniculata Lewis S. Rose 1946-12-25 46307 Riverside 5 miles east of Cabazon, San Gorgonio Pass Comment
  RSA679071  Erigeron breweri var. jacinteus Michael Denslow, Firoozeh Navid-Ara, Valerie L. Sosa 2003-7-15 1450 Riverside Tahquitz Peak, on saddle east of summit 2637 Comment
  SDSU12965  Erigeron canadensis Michael G. Simpson 1999-10-27 2036 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA40569  Erigeron divergens J. C. Roos 1947-4-5 3418 Riverside on stony slope, SE of Pinyon Flats, Santa Rosa Mts. 1372 Comment
  SBBG54332  Erigeron divergens C. Davidson 1978-6-15 7379 Riverside rd from Hwy 74 to Santa Rosa Mtn, ca. 2 mi W of jct to Santa Rosa Springs Cmpgrd 2087 Comment
  JEPS41521  Erigeron foliosus var. foliosus W. L. Jepson 1914-5-25 6078 Riverside San Timoteo Canyon Comment
  RSA585500  Erigeron foliosus var. foliosus D. L. Banks, Steve Boyd 1995-5-9 0362 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  HSC82842  Eriochloa acuminata var. acuminata A. C. Sanders 1985-8-24 5946 Riverside Lower Coachella valley near Oasis on the dirt extension of Ave. 76, 0.4 mi E of Hwy 195, along the S side of a large drain flowing toward the Salton Sea -55 Comment
  CAS-BOT-BC282996  Eriochloa lemmonii Malcom A. Nobs; S. Galen Smith 1948-9-3 495 Riverside 2 miles north of Indio Comment
  HSC84136  Eriodictyon crassifolium H. A. Heaton 1987-5-3 25 Riverside San Jacinto Mtns., .9 mi. up Bee Canyon from Hwy. 74 503 Comment
  CAS-BOT-BC189128  Eriodictyon crassifolium var. crassifolium S. B. Parish 1893-5-1 2645 Riverside Reche Canon [Canyon] Comment
  UC535050  Eriodictyon trichocalyx var. trichocalyx Victor Duran 1933-7-1 3489 Riverside near Santa Rosa (Santa Rosa Mts.); , near Santa Rosa 1676 Comment
  JOTR33960  Eriogonum angulosum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2846 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  SEINET9347759  Eriogonum angulosum Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  SEINET3087074 Image available Eriogonum baileyi J. Hogan 1974-7-10 179 Riverside Upper Covington Flat barricade, Joshua Tree National Monument 1463 Comment
  UCR163043  Eriogonum baileyi D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  RSA338175  Eriogonum brachyanthum Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53581 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  CAS-BOT-BC242789  Eriogonum davidsonii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Between Idyllwild & Keen Camp Comment
  HSC93372  Eriogonum davidsonii G. R. Ballmer, Kathleen Stockwell 1995-6-24 Riverside San Jacinto Mtns., along trail from Mason Ranch Rd. to Pacific Crest Trail, near Pyramid Peak 1982 Comment
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Jul 6 2014
  RSA393472  Eriogonum davidsonii H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  RSA785066  Eriogonum davidsonii Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 74 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  UC597719  Eriogonum davidsonii Philip A. Munz 1937-5-29 15152 Riverside Deep Canyon Santa Rosa Mts., Deep Canyon 1066 Comment
  CAS-BOT-BC256125  Eriogonum deflexum var. deflexum Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13258 Riverside U.S. gypsum mine property in Little Maria Mts., 2.3 mi. above Midland P.O. Comment
  POM8641  Eriogonum deflexum var. deflexum P. A. Munz, R. D. Harwood 1920-4-8 3570 Riverside Ford's Well west of Blythe. Comment
  RSA393269  Eriogonum deflexum var. deflexum N. C. Cooper 1949-4-8 3257 Riverside Mecca Pass east of Indio. 610 Comment
  UCR49110  Eriogonum elongatum J. D. Tenhunen, James C. Dice 1987-9-9 722 Riverside c. 1.6 km NNW of Royal Oak Ranch 380 Comment
  RSA65145  Eriogonum fasciculatum F. W. Peirson 1928-4-24 7907 Riverside Cottonwood Spring, west end of Eagle Mtns. Comment
  RSA0036808  Eriogonum fasciculatum var. fasciculatum Bob Rogers 1984-4-21 10 Riverside Along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  RSA393433  Eriogonum fasciculatum var. foliolosum Josephine Derigo 1941-7-21 s.n. Riverside Railroad Canyon, Elsenor. Comment
  RSA614407  Eriogonum fasciculatum var. foliolosum D. L. Banks 1997-3-16 1540 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
  RSA650860  Eriogonum fasciculatum var. polifolium G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  RSA774886  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5011 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
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May 22 2012
  UC1366081  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie 1969-4-27 204 Riverside near Palm Springs; Andreas Canyon 365 Comment
  SEINET10280031 Image available Eriogonum gracile John C. Roos 1952-8-27 5888 Riverside Peninsular Range; Riverside; Pigeon Pass, Box Springs Mountains. 457 Comment
  UC86025  Eriogonum gracile J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  RSA192354  Eriogonum gracile var. gracile E. W. Lathrop 1966-5-23 6331 Riverside 6 miles NW of Murrieta. Comment
  RSA737124  Eriogonum gracile var. incultum Justin M. Wood 2008-10-15 190 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA759116  Eriogonum gracile var. incultum Robt. Allen, Linnell R. Allen 2008-7-27 s.n. Riverside South Main Divide Road, 4.7 road mi. SE of junction with Ortega Hwy (SR74). Just S of the gated entrances to Rancho Capistrano housing developments. 938 Comment
  UCR12003  Eriogonum inflatum W. Shapeero 1954-4-28 s.n. Riverside Mojave Desert, Joshua Tree National Monument [Park] Comment
  UCR241718  Eriogonum inflatum Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 45 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCSB6810  Eriogonum inflatum Philbrick, Ralph 1953-06 Riverside Joshua Tree National Monument Comment
  RSA393580  Eriogonum inflatum var. inflatum P. J. Remple 1942-3-2 s.n. Riverside Dead Indian Creek, Santa Rosa Mtns. Comment
  JOTR33770  Eriogonum maculatum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2925 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  JEPS56712  Eriogonum molestum Marjorie D. Clary 1932-7-4 995 Riverside Vandeventer Flats San Jacinto Mts., Vandeventer Flats 1341 Comment
  JOTR16816  Eriogonum nidularium Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA VICINITY RANGER STATION 1310 Comment
  RSA0080082  Eriogonum parishii Robin L. Kobaly 1977-8-26 s.n. Riverside Along Hwy. 243, east of Lawler Lodge (Lawler County Park). San Jacinto Mtns. Comment
  JOTR32842  Eriogonum plumatella La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1631 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  LA207002  Eriogonum plumatella Carl B. Wolf; 1932-10-11 4283 Riverside Morongo Wash at San Bernardino County Line 731 Comment
  CAS-BOT-BC258240  Eriogonum pusillum Lewis S. Rose 1937-4-9 37126 Riverside Palms to Pines Highway, 18 mi. W. of Indio 1036 Comment
  CDA22643  Eriogonum pusillum T. C. Fuller 1964-4-14 11825 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  CAS-BOT-BC253020  Eriogonum reniforme L. R. Abrams 1926-3-26 11056 Riverside Palm Springs to Palm Canyon Comment
  RSA249857  Eriogonum saxatile Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38135 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1677 Comment
  CAS-BOT-BC263521  Eriogonum thomasii C. L. Hitchcock 1966-3-20 24312 Riverside Hills just n. of Milpitas Wash, Ogilby-Blythe Road Comment
  CAS-BOT-BC263548  Eriogonum thomasii John Thomas Howell 1928-3-24 3534 Riverside Painted Canyon, Colorado Desert Comment
  RSA554427  Eriogonum thomasii Theo Glenn 1991-5-24 91 -131 Riverside Palen Mtns, NE of Desert Center. 399 Comment
  RSA543833  Eriogonum thurberi Steve Boyd, Orlando Mistretta 1991-5-22 6292 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  SBBG65514  Eriogonum thurberi P. A. Munz, I. M. Johnston 1928-9-6 11278 Riverside Santa Ana River, Ontario-Corona Rd Comment
  UC1618002  Eriogonum thurberi Donald G. Nelson 1936-5-22 384 Riverside on Pines-to Palms hwy at Ribbonwood Camp; San Jacinto Mts. Comment
  UC535090  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside s Palm Springs Comment
  UCD70599  Eriogonum trichopes Elizabeth Milauskas 1994-5-7 15 Riverside Palm Springs, 4 blocks W of Via Monte Vista (behind dam) on Agua Caliente Indian Reservation in a desert wash; full sun; dominant Larrea divaricata; annual herb on sandy/gravelly dry soil among shrubs, common, ht. 5cm, fls yellow. 158 Comment
  SD122865  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co. Park, north edge of the Gavilan Plateau, Gavilan Hills, Gavilan Creek 2000 Comment
  UCR5722  Eriogonum wrightii var. membranaceum O. F. Clarke 1966-10-5 661005- 41 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  CDA28204  Erioneuron pulchellum A. A. Beetle 1942-4-23 3186 Riverside Rt. 95, 9 miles north of Blythe. 0 Comment
  POM47482  Eriophyllum ambiguum var. paleaceum Mary F. Spencer 1920-4-7 1428 Riverside Palm Canyon 244 Comment
  CAS-BOT-BC297351  Eriophyllum confertiflorum P. C. Everett 1935-6-18 7185 Riverside Santa Ana Mts, main divide motorway to Santiago Peak, 1 mile from Ortega Highway 731 Comment
  CDA32920  Eriophyllum confertiflorum Mike Lahti 2010-5-5 PDR# 1358681 Riverside Hills on the west side of Temecula. 0 Comment
  POM288454  Eriophyllum confertiflorum Lyman Benson 1932-3-26 3185 Riverside Summit Temecula Grade. 610 Comment
  UCR231808  Eriophyllum confertiflorum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 15 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UC1118333  Eriophyllum confertiflorum var. confertiflorum A. Lewis 1933-1-26 142 Riverside Cactus Valley San Jacinto Quadrangle, Cactus Valley 640 Comment
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Mar 20 2011
  SBBG35238  Eriophyllum multicaule T. L. Secrest 1951-5-18 Riverside San Jacinto River, near Hemet Comment
  SEINET2051199 Image available Eriophyllum multicaule Ricardo Montijo 1990-4-27 Riverside Rancho California area: E. of Santa Rosa Plateau, Green Meadow Road off de Portoloa. Sage 7.5 610 Comment
  UC1922901  Erodium botrys Scott D. White 2005-3-29 10846 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. Cabazon 7.5' Quad. Comment
  RSA613894  Erodium brachycarpum A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 19842 Riverside Lower Rawson Canyon, along road NE of Skinner Lake. 457 Comment
  UCR114606  Erodium brachycarpum Mitch Provance 1999-3-5 1058 Riverside Jurupa Mountains, Extreme W end of the Jurupa Range, c. 0.6 miles west of pk. 1437. 335 Comment
  JOTR35927  Erodium cicutarium De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6875 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  SDSU18420  Erodium cicutarium C. Matt Guilliams 2008-2-27 483 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. 370 Comment
  POM71763  Erodium cygnorum Pomeroy 1925-2-26 s.n. Riverside Corona. Comment
  CAS-BOT-BC54336  Erysimum capitatum Carl B. Wolf 1932-8-4 3910 Riverside San Jacinto Mountains. Point View, near Idyllwild. 1645 Comment
  SD236423  Erythranthe guttata A. C. Sanders, Tim Thomas 2008-6-20 35551 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA0019313  Erythranthe guttata G. R. Campbell 1948-7-3 606 Riverside 3 mi. north of Dark Canyon, road between Idyllwild and Banning. Comment
  SEINET13732455 Image available Erythranthe palmeri Victor Duran 1932-1 3220 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  JEPS21006  Eschscholzia californica W. L. Jepson May 17 1901-Jun 1 1901 1319 Riverside Chalk Hill Mt. San Jacinto Comment
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Mar 6 2007
  RSA757448  Eschscholzia californica Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55227 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  UC64137  Eschscholzia californica H. M. Hall June, 1901 2063 Riverside vicinity of Chalk Hill San Jacinto Mountains 1371 Comment
  CAS-BOT-BC418699  Eschscholzia glyptosperma N. Aitkenhead 1977-2-2 2189 Riverside ~1 mi. from junction of J.T. Mon Rd & pipeline Comment
  SEINET10476285  Eschscholzia glyptosperma David B. Dunn 1946-3-15 Dunn 2049 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  OBI26035  Eschscholzia minutiflora David J. Keil 1976-12-12 11916 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  POM220074  Eschscholzia minutiflora F. R. Fosberg 1932-3-13 8070 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  UC1929974  Eschscholzia minutiflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10453 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
  UC575035  Eschscholzia minutiflora C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  CAS-BOT-BC5931  Eschscholzia minutiflora var. parishii Samuel Bonsal Parish; William Fletcher Parish 1882-4-1 759 Riverside Eastern slope of San Bernardino Mt., Whitewater. Comment
  JOTR32911  Eschscholzia parishii La Doux, Tasha, Jim Andre 2009-2-28 352 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  RSA278983  Eschscholzia parishii Barry A. Prigge, L. Martinez 1978-3-23 2440 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR104810  Eschscholzia parishii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2735 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR41840  Eschscholzia parishii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6061 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  RSA0022900  Eschscholzia parishii J. C. Roos 1966-3-26 1981 Riverside 2 miles SE of Desert Center. Comment
  RSA713796  Eucalyptus J. Lyman 1989-2-9 89 -2 Riverside Lakeview, Pressman property in the Bernasconi Hills, just S of the Ramona Expressway, S of Lake Perris and N of Nuevo. Comment
  UCR132713  Eucalyptus camaldulensis A. C. Sanders, O. F. Clarke 1991-6-10 11123 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR41234  Eucalyptus camaldulensis N. M. Fellows 1985-3-3 75 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
  RSA715256  Eucrypta chrysanthemifolia A. C. Sanders 2006-5-19 32443 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
  POM259685  Eucrypta chrysanthemifolia var. bipinnatifida P. A. Munz 1940-3-23 15715 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  RSA776091  Eucrypta micrantha Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 823 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  JEPS9603  Euonymus occidentalis var. parishii Carl V. Meyer 1928-7-24 514 Riverside Shady canyon above Idyllwild Falls; San Jacinto Mountains, above Idyllwild Falls Comment
  UC18053  Euonymus occidentalis var. parishii H. M. Hall June, 1901 2299 Riverside water courses in vicinity of Strawberry Valley (San Jacinto Mts.); San Jacinto Mts. 1828 Comment
  SD181547  Euphorbia Louis C. Wheeler 1945-10-6 6147 Riverside San Jacinto Mountains; 0.5 mile east of Ranger Peak. 1372 Comment
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Feb 17 2013
  SEINET10739487  Euphorbia David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3635 Riverside Found near Quad 6 on the Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  CAS-BOT-BC310320  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Arica Mountains. Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well 202 Comment
  RSA0041960  Euphorbia eriantha Duncan S. Bell, Loraine Washburn 2014-4-8 6586 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  SEINET8043500 Image available Euphorbia eriantha Duncan S. Bell, Evan Meyer 2014-1 6517 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR281829  Euphorbia lathyris Mitch Provance 2017-5-23 517- 105 Riverside Temescal Valley, South Corona, Warm Springs Dr. at intersection with Whitetail Dr., drainage likely associated with Anderson Canyon, adjacent to large swath of relict disturbed bottomland. 345 Comment
  RSA543151  Euphorbia melanadenia Steve Boyd 1991-3-17 5516 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
  UCD142436  Euphorbia misera Robert F. Thorne; Drs. Fosberg, Sachet, and Herbst 1983-4-23 55410 Riverside San Bernardino Mts; Mouth of Whitewater Canyon, east of Whitewater Post Office. 426 Comment
  UCR132715  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17992 Riverside Coachella Valley, Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits, 2 mi. east of Date Palm Dr. and 2 mi. south of Ramon Rd 98 Comment
  UC410719  Euphorbia palmeri Mrs. E. C. Van Dyke Jul 1928 Riverside Idyllwild Comment
  UCR119352  Euphorbia polycarpa Helen Kennedy, Sara Mills 2001-3-17 5391 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  UCR230600  Euphorbia serpens A. C. Sanders 2011-9-15 39897 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  UCR101406  Euphorbia serpillifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22212 Riverside San Bernardino Mtns., Morongo Indian Reservation, East Branch of Millard Canyon 1128 Comment
  OBI29470  Euphorbia setiloba David J. Keil, Melissa Luckow 1979-8-31 13154 Riverside Jctn of Box Cyn Rd and I-10 just S of exit ramp at wash crossing Comment
  RSA600225  Euphorbia supina L. C. Wheeler 1960-5-12 7703 Riverside University of California at Riverside. Comment
  JOTR37717  Fagonia laevis Hodges, Stephen R., L. Ashfield 2016-1-20 648 Riverside Joshua Tree National Park. Eagle Mountains, south of Black Eagle Mine road, near eastern park boundary. Rocky hills and slopes with desert pavement. Comment
  POM10036  Fagonia laevis Charlotte M. Wilder 1907-4-9 778 Riverside border of warsh from Palm Canyon. Colorado Desert Comment
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Mar 12 2011
  RSA444664  Fagonia laevis J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  SBBG25121  Fagonia laevis D. Myrick 1966-4-5 1385 Riverside near S entrance to Joshua Tree Nat Monument Comment
  JOTR31953  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2189 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash 667 Comment
  POM128655  Fagonia pachyacantha M. French Gilman 1927-5-22 s.n. Riverside Corn Springs, Chuckwalla Mts. Comment
  SEINET3005065  Fagonia pachyacantha G. Rink 2011-5-1 10503 Riverside North side of the Chuckawalla Mountains 365 Comment
  UCR279525  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-29 43188 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  SD152992  Festuca arundinacea Steve Boyd, Tim Ross & Dave Bramlet 1993-5-12 7338 Riverside San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon, downstream to confluence with Tenaja Canyon 366 Comment
  CLARK-A1045-95  Festuca megalura George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains 6 miles west of Pine Cove; on dirt road near North Fork of the San Jacinto River; ; Lake Fulmor 7.5'Q 1676 Comment
  UCR165414  Festuca microstachys A. C. Sanders 2005-4-21 29562 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  LA45712  Festuca myuros Frank W. Gould; 1944-4-5 2228 Riverside 17 mi E of Temecula on Hwy 79 Comment
  UCR84847  Festuca octoflora A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16126 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  VVC2882  Festuca octoflora Tim Thomas, P. J. MacKay 2010-4-12 5029 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA682167  Filago arizonica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10482 -B 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
  RSA586864  Filago californica D. L. Banks, Steve Boyd 1995-5-3 0283 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR42744  Filago gallica B. G. Pitzer, Karen Kirtland 1986-5-20 0213 Riverside Butterfield Stage Ranch development, in the hills on the north side of Pauba Valley in the Rancho California area, 1 mi south of Buck Mesa on the east side of Butterfield State Road 457 Comment
  RSA621905  Foeniculum vulgare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3223 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  RSA495805  Forestiera neomexicana Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2914 Riverside Vail Lake area, Temecula Creek Cyn., 1.0 mi. west of Vail Lake Dam. 396 Comment
  CSUSB831  Fouquieria splendens Steve G. Nelson 1974-4-13 Riverside Highway 195, four miles southwest of junction with US Highway 10. Comment
  RSA0039650  Fouquieria splendens Duncan S. Bell, LeRoy Gross 2014-3-20 6287 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA148133  Fouquieria splendens Marcus E. Jones 1927-4-16 s.n. Riverside Hidden Spring, near Shaver's Well Comment
  RSA697315  Fouquieria splendens Keith E. Hoffmaster 1937-6-6 s.n. Riverside Desert grade of Palms to Pines Highway. Comment
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Dec 18 2011
  UC68599  Fouquieria splendens subsp. splendens H. M. Hall Apr 1905 5810 Riverside 10 mi w Coachella; Colorado Desert 152 Comment
  CAS-BOT-BC211664  Frankenia salina A. C. Sanders 2004-5-18 27896 Riverside Temescal Creek in Walker Canyon at foot of Alberhill Mountain, Lake Elsinore 7.5', Peninsular Range 377 Comment
  UCR266487  Frankenia salina Mitch Provance, Matt Amalong 2015-3-25 315- 32 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  RSA0045508  Franseria dumosa William Blanchard 1932-4-16 s.n. Riverside Palm Springs Station. TR6. Comment
  POM12911  Frasera parryi P. A. Munz 1922-6-24 5792 Riverside Pipe Creek, Hemet Valley 1402 Comment
  UC723892  Fraxinus dipetala Joseph Andorfer Ewan 1933-3-19 10897 Riverside Tin Mine Canyon Santa Ana Mountains Comment
  SEINET192377  Funastrum heterophyllum Ira L. Wiggins 1941-3-26 9663 Riverside Along wash at Wiley Well. Comment
  JOTR28930  Funastrum hirtellum La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1167 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  UCR246576  Funastrum hirtellum Mona Bourell 1988-3-28 3511 Riverside Sonoran (Colorado) Desert, Box Canyon, BLM California Conservation Area, east of Mecca on Hwy 195 150 Comment
  SEINET10851908  Funastrum hirtellum Edward Palmer 1876-1 Palmer 441 Riverside Colorado River Valley Comment
  SEINET10862447  Funastrum hirtellum Thorne 1979-8-23 THORNE 54607 Riverside Pinto Basin Road, Cholla Garden 1097 Comment
  LA208394  Galium andrewsii A. H. Lange; 1951-5-27 Riverside San Jacinto Mountains, 10 mi S. Hemet Lake Comment
  UCR232034  Galium angustifolium John F. Green 2008-4-15 0408- 20 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  JEPS56083  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4276 Riverside on road to Santa Rosa Mountain 1.8 mi above Mountain Home Spring (w-facing slope) Comment
  RSA689701  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1709 Riverside Lake Fulmore; NW side of Lake. 1616 Comment
  SD135314  Galium angustifolium subsp. jacinticum Craig Reiser, Dylan Hannon 1993-5-30 Riverside On ridgeline saddle between Toro Peak and Santa Rosa Peak Comment
  UCR202588  Galium angustifolium subsp. jacinticum Scott D. White, Justin M. Wood 2008-7-8 12380 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  POM367762  Galium aparine Robert Gustafson 1985-5-20 3115 Riverside San Jacinto Mtns., R-1, between Lake Fulmar and Allandale. Comment
  SEINET1909898  Galium aparine T. B. Salvato, John F. Green 2004-1 555 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
  LA208323  Galium johnstonii H. Lewis; 1939-10-22 1021 Riverside San Jacinto Mountains, Idyllwild 1523 Comment
  UCR98074  Galium porrigens A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19896 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  JOTR16841  Galium stellatum var. eremicum Vanderspek & Youse 1976-2-7 4 /19/1964 Riverside Joshua Tree National Park. WILSON CANYON Comment
  UC484104  Garrya veatchii B. D. Stark 1930-3-18 Riverside Mt. San Jacinto Comment
  IRVC28532  Geraea canescens John F. Green 2005-1-14 s.n. Riverside Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring Sonoran (Colorado) Desert 23 Comment
  POM358659  Geraea canescens Emery M. Whilton 1937-1-16 s.n. Riverside Taken at La Quinta, Coachella Valley. Comment
  SBBG32350  Geraea canescens L. S. Rose 1967-12-20 67183 Riverside ca. 6 mi SE of Thousand Palms 15 Comment
  UCR103320  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-2-5 2650 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA470109  Gilia angelensis Anonymous 1909-05 1931 Riverside Fairmont Hill [now North Hill, Riverside] Comment
  RSA585785  Gilia angelensis D. L. Banks, S. D. Boyd 1995-5-9 0413 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  RSA800742  Gilia angelensis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23968 Riverside Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipline route. 366 Comment
  UCR103176  Gilia angelensis Scott D. White, Julie Greene 1997-3-12 4771 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  UCR230589  Gilia angelensis Jeffrey Ross, Sam Lau, Jennie Phui 1998-5-31 091 Riverside San Bernardino Mtns., Morongo Indian Reservation; lower half of east fork of Lion Canyon, up to and just past 2nd fork 618 Comment
  POM3526  Gilia capitata subsp. abrotanifolia L. T. Street s.n. Riverside Temecula Canyon. Comment
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Mar 27 2011
  RSA0016290  Gilia diegensis Scott D. White, Justin M. Wood 2008-5-15 11979 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA67337  Gilia diegensis J. Rattenbury 1949-4-28 172 Riverside Nera Pinyon Flat Public Camp on Hwy 174, north of Mt. Santa Rosa. 1220 Comment
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Sep 4 2011
  UC126043  Gilia diegensis D. Cleveland 1882-5-3 Riverside Temecula Comment
  UCR237213  Gilia diegensis Duncan S. Bell, Valentin Arvizu 2010-5-10 988 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  UCR103549  Gilia latifolia George K. Helmkamp, E. A. Helmkamp 1998-1-17 2533 Riverside Sonoran (Colorado) Desert, Box Canyon, NE of Mecca and 3.5 mi south of Shavers Well. 244 Comment
  SEINET12278799  Gilia leptalea E. A. Purer 1935-1 6485 Riverside western edge of Colorado Desert Comment
  UCR155944  Gilia ochroleuca T. B. Salvato, Kent Beaman 2005-5-16 816 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
  RSA0016298  Gilia ochroleuca subsp. exilis R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55504 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  SBBG101681  Gilia ochroleuca subsp. exilis S. Boyd 1986-4-19 1703 Riverside E side of Indian Wash between Interstate 15 and Temescal Cyn Rd; Temescal Cyn Comment
  UCR193265  Gilia ochroleuca subsp. exilis A. C. Sanders, Tim Thomas 2008-6-20 35526 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  UCR256093  Gilia ochroleuca subsp. exilis LeRoy Gross, Evan Meyer 2013-5-21 6112 Riverside Peninsular Range; San Jacinto Mtns., West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point 1631 Comment
  RSA779590  Gilia scopulorum Duncan S. Bell 2009-3-7 22 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  JEPS2614 Image available Gilia stellata L. M. Newlon 1922-4-3 433 Riverside Andreas Canyon San Jacinto Mts.; Andreas Canyon, San Jacinto Mts. Comment
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Apr 7 2011
  POM74531  Gilia stellata Marcus E. Jones 1906-4-30 9986 Riverside Indio. Comment
  RSA172305  Gilia stellata R. F. Thorne 1963-3-29 32414 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  SBBG81689  Gilia stellata S. A. Junak 1983-3-23 1643 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  UC1025126  Gilia stellata H. K. Wagnon 1944-3-8 307 Riverside near fork of stream in s part Palm Canyon Palm Springs, s part Palm Canyon Comment
  POM157911  Githopsis diffusa subsp. filicaulis P. A. Munz 1927-5-20 10807 Riverside 10 miles S. of Hemet. Comment
  SD186045  Glinus lotoides A. C. Sanders, Kerry Knudsen and T. B. Salvato 2004-5-18 27909 Riverside Southeast of old clay mining area. 448 Comment
  UCR241224  Glyceria occidentalis Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 514 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR92408  Gnaphalium canescens subsp. microcephalum F. M. Reed 1933-8-13 8010 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  RSA192005  Gnaphalium microcephalum H. A. Zuill 1966-7-7 280 Riverside San mateo canyon, 9-10 miles SW of Murrieta. Comment
  RSA678953  Gnaphalium palustre Scott D. White, Michael Honer 2003-6-3 9455 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR94940  Gnaphalium stramineum Scott D. White 1996-8-15 4474 Riverside San Jacinto Mtns., Idyllwild area: USFS Rd. 5S10 at jct w/ foot trail 2E16, at an intermittent stream channel. 1646 Comment
  CAS-BOT-BC110313  Grayia spinosa S. B. Parish; W. F. Parish 1882-4-1 708 Riverside Borders of the Colorado Desert, Whitewater. Comment
  RSA430052  Guillenia lasiophylla Anstruther Davidson 1904-5-1 1095 Riverside Palm Springs. Comment
  UC1584126  Guillenia lasiophylla Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3875 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches of s flank of Big Oak Mtn); Vail Lake Area 396 Comment
  RSA0094904  Gutierrezia californica A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41738 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  UCR199575  Gutierrezia californica Scott D. White, Angelia Carey 2004-7-2 10586 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  LA102373  Gutierrezia sarothrae John C. Roos; 1965-9-26 sn Riverside Santa Rosa Mountains, NE slope of Asbestos Mountain Comment
  SEINET3859876  Haplopappus venetus A. C. Sanders, Donald L. Sanders 2010-11-28 38695 Riverside Peninsular Range; NW Gavilan Hills: Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave.; 0 232 Comment
  UCR141254  Haplopappus venetus A. C. Sanders, Kelly Volansky 2004-10-6 28820 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-BC231105  Harpagonella palmeri P. A. Munz; I. M. Johnston 1922-5-19 5335 a Riverside 5 miles NE of Murietta 457 Comment
  UCR116592  Hedypnois cretica A. C. Sanders, T. B. Salvato 2001-5-24 24367 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  RSA609927  Helianthemum scoparium var. scoparium R. S. Woglum 1937-5-22 521 Riverside Peninsular Ranges: Northwest of the Palomar Mountains, Temecula. Comment
  UC897489  Helianthus californicus I. W. Clokey and E. G. Anderson 1935-8-21 6934 Riverside North fork San Jacinto River 1500 Comment
  UCR145972  Helianthus gracilentus June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR261216  Helianthus gracilentus A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41734 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  UCR41324  Helianthus gracilentus N. M. Fellows, A. C. Sanders 1985-5-7 177 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
  VVC2321  Heliotropium curassavicum var. oculatum Tim Thomas 2011-10-17 5522 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  RSA725741  Hemizonia fasciculata Mitch Provance 2005-5-18 9811 Riverside Warm Springs Valley: Nichols road wetland area at Alberhill Creek, S of the I-5 freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore. 396 Comment
  RSA711222  Hemizonia kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  UCR120545  Hemizonia kelloggii D. E. Bramlet 2000-8-30 3076 Riverside Perris-Aguanga Basin region, Shipley Reserve, ephemeral drainage 213 m south of Auld Valley Creek and 915 m east of Bachelor Mtn. access road 451 Comment
  UCR207786  Hemizonia mohavensis O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA791795  Hemizonia paniculata J. George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough: North Lake Elsinore, just west of Nichols Road and Collier Ave. junction. 384 Comment
  UCR105991  Hemizonia paniculata D. L. Banks 1997-6-16 2061 Riverside NW Palomar Mtns., Agua Tibia Mtns: Pechanga Indian Reservation. On the south side of Pechanga Rd., c. 20 m west of the old schoolhouse 378 Comment
  UCR121167  Hemizonia paniculata D. E. Bramlet 1989-6-13 1922 Riverside Domenigoni Valley, 3,000 ft. east of the MWD canal and 500 ft. south of Newport Road. 458 Comment
  UCR235093  Hemizonia paniculata A. C. Sanders, John F. Green 2012-5-27 40196 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, powerline route west of Valley Substation (on Menifee Rd.), N of McLaughlin Rd. on the E side of San Jacinto Rd 441 Comment
  UCR62105  Hemizonia paniculata Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  UCR238748  Hemizonia pungens subsp. laevis Jeremiah George 2012-7-9 s.n. Riverside San Timoteo Canyon, west side of San Timoteo Canyon Rd., NE corner of Fisherman's Retreat Lake 597 Comment
  RSA586142  Hesperocnide tenella D. L. Banks, Steve D. Boyd 1995-3-16 104 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  UCR241929  Hesperocnide tenella A. C. Sanders, John F. Green 2013-3-27 40688 Riverside Peninsular Range, Alberhill, along Lake St. near the old clay mines, 1.16 km south of I-15 Fwy 388 Comment
  POM13121  Hesperolinon micranthum P. A. Munz, I. M. Johnston 1922-5-19 5336 Riverside 5 miles NE of Murrieta 518 Comment
  UCR79212  Hesperolinon micranthum Steve Boyd, T. S. Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  CAS-BOT-BC318911  Heterotheca grandiflora Lewis S. Rose 1945-12-23 45299 Riverside Palm Springs, Colorado Desert 137 Comment
  UCR34980  Heterotheca grandiflora L. B. Ziegler 1967-12-10 263 Riverside San Jacinto Valley at San Jacinto 473 Comment
  RSA0100142  Heuchera hirsutissima Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8584 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  RSA0036012  Heuchera hirsutissima Robert F. Thorne, Walter Wisura 1977-9-17 50801 Riverside San Jacinto Mountain: summit 3293 Comment
  POM10495  Hieracium albiflorum Charlotte M. Wilder 1909-7-10 980 Riverside Above Strawberry Valley, San Jacinto Mts Comment
  UCR60833  Hilaria rigida Steve Boyd, Orlando Mistretta 1986-3-13 1464 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  SDSU12942  Hirschfeldia incana Jutta Buschbom 1991-6-1 27 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
  RSA698742  Hoffmannseggia densiflora Mary Edmunds 1932-3-26 s.n. Riverside Oasis-Coachella Valley. Comment
  CAS-BOT-BC207512  Hoffmannseggia glauca Ira L. Wiggins 1934-9-4 8038 Riverside Along Mecca -- Blythe highway 21 miles N. of Blythe Comment
  RSA4929  Hoffmannseggia glauca C. B. Wolf 1932-4-28 s.n. Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
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Mar 26 2011
  RSA0125269  Hoffmannseggia microphylla Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8757 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  SEINET10918608  Hoffmannseggia microphylla A. K. Evans 1976-4-13 Evans 5155 Riverside Desert canyons of Santa Rosa mountains. Comment
  POM14417  Hordeum depressum P. A. Munz, I. M. Johnston 1922-5-18 5322 Riverside 3 miles south of Glen Ivy [now Glen Ivy Hot Springs]. Comment
  RSA617999  Hordeum depressum R. E. Riefner 1998-4-22 98 -289 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  SD186037  Hordeum depressum A. C. Sanders 2003-5-9 26582 Riverside West of Hemet, west edgte of Warren road just north Highway 74. 456 Comment
  RSA0080440  Hordeum intercedens D. E. Bramlet 2005-3-2 3657 Riverside west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  RSA725954  Hordeum intercedens Mitch Provance 2005-5-17 6554 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 396 Comment
  SD234244  Hordeum intercedens Mitch Provance 2005-5-17 6554 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca 100 yards SE of the Durant RR siding, bordered on NW by Pierce St, and on N by Alberhill Creek; Baker St A+- bisecting the collection site (Lake Elsinore 7.5 'Q). 395 Comment
  UCR107839  Hordeum murinum Scott D. White, M. Jacobsmeyer 1996-4-20 3971 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  CAS-BOT-BC148561  Horkelia clevelandii Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, Mt. San Jacinto 2438 Comment
  RSA502893  Hulsea heterochroma Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains, on Thomas Mtn Rd., S of Thomas Mtn. Lookout. Comment
  RSA679986  Hulsea vestita subsp. callicarpha LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1118 Riverside Black Moutain Road (4501), southeast of Black Mountain & northwest of Fuller Mill Creek. 2012 Comment
  UCSB26725  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside 1 mile south of Idyllwild, along Riverside County Road R1, San Jacinto Mtns. 1645 Comment
  RSA234092  Hydrocotyle ranunculoides R. F. Thorne, E. W. Lathrop 1969-6-6 39347 Riverside Santa Rosa Plateau: Ranch California; along small stream. 610 Comment
  SD122933  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau, northwest base of Redonda Mesa on Tenaja Road, 0.8 miles east of junction with 8S01 and 8S02. Comment
  POM147594  Hymenoclea salsola Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
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Oct 9 2010
  POM361062  Hymenoclea salsola L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  RSA93950  Hymenoclea salsola Margaret Stason, F. Brubaker 1928-3-3 7697 Riverside Hidden Spring Canyon near Mecca. Comment
  UC667320  Hymenoxys cooperi Annie M. Alexander and Louise Kellogg 1941-5-4 2116 Riverside sandy flat near edge reservoir; Joshua Tree National Monument, Barker Dam 1325 Comment
  RSA458247  Hypericum formosum var. scouleri L. C. Wheeler 1931-10-3 187 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  UC64189  Hypericum formosum var. scouleri H. M. Hall 689 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1615 Comment
  CAS-BOT-BC219734  Hyptis emoryi Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6421 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  CAS-BOT-BC219763  Hyptis emoryi Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  CAS-BOT-BC219767  Hyptis emoryi J. Beley 1974-2-21 0430 Riverside 3 1/2 mi North of Benchmark 215 NE of Indio Comment
  LA61542  Hyptis emoryi Harlan Lewis; 1935-4-6 sn Riverside Palm Springs 138 Comment
  RSA795970  Hyptis emoryi Duncan S. Bell 2009-4-19 299 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  SFV17323  Hyptis emoryi J. N. Hogue, J. D. Dilley (268) 1998-4-23 108 .6 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  SFV21859  Hyptis emoryi J. R. Pucci 2001-4-7 9 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  UCR19014  Imperata brevifolia John C. Roos 1965-7-22 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs Comment
  UCD126502  Ipomoea triloba T. C. Fuller 1962-10-2 9704 Riverside south side of Ave. 32, 0.6 mile east of Ludy Blvd., 6.9 miles southwest of Ripley, Palo Verde Valley. Comment
  UC1184104  Isocoma acradenia var. acradenia Jerry Powell 1960-10-19 Riverside 7 mi n Temecula Comment
  RSA24226  Isocoma acradenia var. eremophila C. B. Wolf 1941-1-5 9817 Riverside Colorado Desert, Caleb, (on S.P.R.R. siding) S. of Mecca. -61 Comment
  RSA614494  Isocoma acradenia var. eremophila A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15818 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  SD247329  Isocoma menziesii var. vernonioides T. B. Salvato 2014-5-29 8051 Riverside Perris-Aguanga Basin: Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of broad oak/willow gully, about 1.13 miles west of Murrieta Road and 4.10 miles southeast of Canyon Lake. 523 Comment
  RSA451604  Ivesia callida Anstruther Davidson 1930-1 s.n. Riverside Tahquitz Peak. Comment
  UCR127543  Juglans A. C. Sanders, T. B. Salvato 2003-5-21 26783 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR108825  Juncus balticus O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  RSA789241  Juncus bufonius Naomi Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2423 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  UCR111606  Juncus bufonius Mitch Provance 1999-5-4 1684 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR159817  Juncus bufonius Chris E. True, Robert Cox 2005-6-22 s.n. Riverside San Jacinto Mtns., north slope of the mountains near Azalea Creek, about 0.5 mile SW of the Twin Pines Ranch buildings 1067 Comment
  JOTR35497  Juncus bufonius var. bufonius La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3185 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  POM184651  Juncus effusus subsp. austrocalifornicus L. C. Wheeler 1931-10-3 189 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  RSA601211  Juncus effusus subsp. austrocalifornicus Scott D. White 1996-8-15 4463 Riverside San Jacinto Mountains, Idyllwild Area: Alvin Meadows and unnamed canyon upstream. USGS Blackburn Canyon 7.5 topo (immed. adjacent to Idyllwild topo) 1524 Comment
  UC1106415  Juncus macrandrus Peter Kamb 1948-7-4 1165 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA293529  Juncus macrophyllus C. W. Tilforth, Walter Wisura 1979-8-8 1898 Riverside Highway 243 at turn-off to Poppet Flat, south of Banning. 1189 Comment
  UCR90339  Juncus macrophyllus Scott D. White 1995-6-29 3410 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA621505  Juncus mexicanus Darin L. Banks 1997-11-15 2196 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. 549 Comment
  RSA675699  Juncus mexicanus Scott D. White 2001-5-1 8435 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UCR139158  Juncus mexicanus S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., southwestern end of Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  POM14394  Juncus phaeocephalus var. paniculatus Phillip A. Munz 1922-7-6 5999 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  CDA33225  Juncus rugulosus S. Munhall 1957-7-18 Riverside Cleveland National Forest, high rocky ridge. 0 Comment
  UCR207678  Juncus rugulosus G. R. Ballmer 2005-12-3 s.n. Riverside Transverse Range; San Bernardino Mtns., Whitewater River Canyon 610 Comment
  RSA304314  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1980-5-21 3481 Riverside Santa Rosa Mountain Road (Forest Road 7S02) ca. 2.0 miles S of Highway 74 (Pines to Palms Highway). 1585 Comment
  LA6549  Juniperus californica Harlan Lewis; 1939-10-22 1039 Riverside Santa Rosa Mountains, Pinyon Flats, Pines to Palms Highway 1219 Comment
  RSA604384  Juniperus californica L. C. Wheeler 1960-1-2 7671 Riverside Aguanga. In dry open flat. Comment
  SBBG133562  Juniperus californica S. D. White, A. Carey 2004-7-2 10578 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  CAS-BOT-BC234566  Justicia californica E. A. Blondin 1944-4-8 s.n. Riverside Tahquitz Canyon Comment
  CAS-BOT-BC234601  Justicia californica Ira L. Wiggins 1937-3-9 8757 Riverside 5 miles west of Shaver's Well Comment
  UC888147  Justicia californica Ivan Johnston Apr 4 1917-Apr 6 1917 Riverside near Palm Springs Palm Springs Comment
  CDA33347  Keckiella antirrhinoides Mike Lahti 2010-5-2 PDR# 1358675 Riverside East Hemet. 0 Comment
  UCR137049  Keckiella antirrhinoides A. C. Sanders 2004-5-5 27764 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
  UCR183016  Keckiella antirrhinoides Mitch Provance 2003-5-5 4428 B Riverside San Berardino Valley, Norco, SW slopes of the La Sierra Hills, +- 0.9 mi. WNW of Mt. Grape (peak 1064) 244 Comment
  UCR117677  Keckiella antirrhinoides subsp. antirrhinoides Scott D. White 1997-5-25 5237 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA0018941  Keckiella antirrhinoides subsp. antirrhinoides Christopher Davidson 1975-6-16 2804 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  RSA401719A  Keckiella antirrhinoides subsp. microphylla Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto and Santa Rosa Mts. 1250 Comment
  RSA0117832  Keckiella antirrhinoides var. antirrhinoides Sarah J. J. De Groot, Thomas Stoughton 2016-4-20 7809 Riverside Along the Pacific Crest Trail just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 769 Comment
  RSA89026  Keckiella cordifolia M. Dillon 1954-6-15 s.n. Riverside Canyon near Glen Ivy Hot Springs Comment
  CLARK-A1528-68  Koeleria macrantha C. M. Flanagan 1973-5-20 OO 530 Riverside Morongo Indian Reservation 1158 Comment
  RSA801951  Koeleria macrantha LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6162 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UCR2494  Koeleria macrantha F. M. Reed 1920-6-14 4432 Riverside San Jacinto Mtns., ridge 1 mile west of Idyllwild, Banning road 1677 Comment
  CAS-BOT-BC61420  Krameria bicolor K. Larson 1976-6-10 2034 Riverside About 30 mi. E of Indio. S. of Chiriaco Summit Comment
  CAS-BOT-BC61425  Krameria bicolor John Thomas Howell; Martha Hilend 1928-4-15 171 Riverside Coachella Valley near Thousand Palms Comment
  CAS-BOT-BC61434  Krameria bicolor Barbara Ertter; Jeffrey Strachan 1980-5-20 3464 Riverside West side Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10. 457 Comment
  SD216488  Krameria bicolor Jay B. Walker 1995-5-4 1417 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  CAS-BOT-BC43701  Krameria erecta H. M. Hall 1901-6-1 2114 Riverside Eastern base, along the borders of the Colorado Desert Comment
  JOTR30100  Krameria grayi La Doux, Tasha, Alice Miller 2007-5-31 1775 Riverside Joshua Tree National Park. Stop 1: Cottonwood Springs/Oasis; slope above oasis along visitor walkway to parking lot. 893 Comment
  RSA699626  Krameria grayi Keith E. Hoffmaster 1936-4-26 s.n. Riverside Palm Springs. Comment
  UC64185  Krameria grayi H. M. Hall May 17 1901-Jun 1 1901 1877 Riverside near Palm Canyon; near Palm Canyon 914 Comment
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Apr 11 2011
  UC667366  Krameria grayi Annie M. Alexander and Louise Kellogg 1941-5-12 2165 Riverside road to Black Eagle Mine (Eagle Mountains); Colorado Desert, Eagle Mountains 670 Comment
  SEINET12203903  Krameria grayi Unknown 1936-1 12781 Riverside Colorado Desert, N of Palm Springs Comment
  SEINET3151231  Krameria parvifolia G. B. Grant 1906-1 658 Riverside Colorado desert at Palm Springs Comment
  RSA0056400  Krameria parvifolia var. imparata James R. Shevock 1970-12-13 560 Riverside White Tank Campground; Joshua Tree. 1175 Comment
  RSA714018  Kyllinga brevifolia R. E. Riefner 2004-9-25 4 -443 Riverside City of Corona; Grenn River Rd. ca 0.8 mi S of 91 Freeway overpass, Green River Golf Course at Santa Ana River. 153 Comment
  UCR121822  Lactuca serriola A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24604 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
  POM361462  Lagophylla ramosissima Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UC1146062  Lamarckia aurea C. L. Hitchcock, C. V. Muhlick 1964-3-17 23114 Riverside 10 mi n of Pala (along road to Elsinore) Comment
  UCR72195  Langloisia setosissima Theo Glenn 1991-5-21 91- 107 Riverside Sonoran (Colorado) Desert, Arica Mtns, SW of Rice. Near old Priest Mine 421 Comment
  SD225025  Laportea ovalifolia A. C. Sanders 1995-11-30 17926 Riverside Riverside: week in the UCR Botanic Garden. 365 Comment
  HSC100857  Larrea tridentata J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12775 Riverside 457 Comment
  RSA390024  Larrea tridentata George B. Grant 1906-5-1 229 -6724 Riverside Palm Springs, Colorado Desert. Comment
  SEINET3132201  Larrea tridentata Unknown 1906-5-1 229 -6724 Riverside Colorado Desert at Palm Springs, southern California Comment
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Jul 29 2013
  UCSB8695  Larrea tridentata Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  RSA359852  Lastarriaea coriacea Steve Boyd 1986-4-2 1634 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SEINET6894861  Lastarriaea coriacea Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  CAS-BOT-BC338913  Lasthenia californica A. C. Sanders 1993-4-5 13694 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) 460 Comment
  CAS-BOT-BC338917  Lasthenia californica A. C. Sanders; W. W. Wright; J. Latting; et al 1974-5-4 684 Riverside Santa Rosa Plateau, Santa Ana Mtns.: Mesa de Burro 610 Comment
  RSA0035241  Lasthenia chrysostoma Andrew Haimov, April Sleigh 1992-4-20 76 Riverside 150 meters east of Davis Road, 2 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  CAS-BOT-BC354215  Lasthenia coronaria Scott D. White 1996-4-14 3899 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
  POM15179  Lasthenia coronaria Mary F. Spencer 1922-4-10 1951 Riverside Snow Creek, Palm Springs, Colorado Desert. 183 Comment
  POM6606  Lasthenia coronaria P. A. Munz, L. T. Street, Williams 1919-3-28 2368 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  UCR241099  Lasthenia glabrata subsp. coulteri Blair Baker 2010-4-9 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, near San Jacinto River SE of Perris, NE side of Case Rd. 431 Comment
  RSA543606  Lasthenia gracilis Steve Boyd 1991-5-7 6168 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA650961  Lasthenia gracilis R. L. Bowlin 1949-4-3 s.n. Riverside 3 miles south of Lake Elsinore. 15 Comment
  RSA695489  Lasthenia gracilis O. M. MLF 1953-3-24 s.n. Riverside Lambs Canyon, south of Beaumont. 488 Comment
  UCR140303  Lasthenia gracilis A. C. Sanders 2004-4-9 27461 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  RSA92749  Lasthenia gracilis J. C. Roos 1952-5-21 5706 Riverside San Jacinto River bottomland 1.5 miles southeast of Perris 426 Comment
  UCR16265  Lathyrus vestitus S. Riddell 1973-5-17 730517- 11 Riverside Santa Ana Mtns, 0.1 mi west of El Cariso Fire Station on Hwy 74 793 Comment
  UC85246  Lathyrus vestitus var. alefeldii D. Cleveland 1882-5-4 Riverside Temecula Comment
  JOTR37761  Layia glandulosa Hodges, Stephen R. 2016-2-29 717 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UC68881  Layia glandulosa H. M. Hall 1905-4-1 5771 Riverside Indian Well Colorado Desert, Indian Well Comment
  RSA0029618  Layia glandulosa J. Andre 2006-4-6 6714 Riverside Joshua Tree National Park: along Desert Queen Mine Rd. 1363 Comment
  RSA658685  Layia platyglossa Sandy Gray 1981-04 5 Riverside 6 miles E of Corona, 1/2 mile west of Pacific Clay Co. Hwy 142. Highway overpass-stops. Comment
  UCR124663  Layia platyglossa B. C. Templeton 1930-4-9 1024 Riverside San Bernardino Mtns., north of Banning 1220 Comment
  UCR127331  Layia platyglossa A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25840 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA34596  Layia platyglossa subsp. campestris N. C. Cooper 1944-4-22 1160 Riverside Banning 732 Comment
  UCR117383  Lepidium densiflorum A. C. Sanders, T. B. Salvato 2001-5-25 24390 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  POM93707  Lepidium dictyotum Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  RSA678339  Lepidium lasiocarpum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10476 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
  RSA709973  Lepidium lasiocarpum Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4591 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA613632  Lepidium virginicum var. robinsonii D. L. Banks, Victor Steinmann 1997-3-13 1485 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
  SEINET2053392 Image available Lepidospartum squamatum J. Harry Lehr 1975-10-12 1698 Riverside Rt. I-10, 2 mile E of Ramsey Street, Banning. 152 Comment
  SFV11881  Lepidospartum squamatum 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
  UC527693  Lepidospartum squamatum C. B. Wolf 1931-10-14 2462 -A Riverside roadside at Cabezon; San Gregorio Pass 518 Comment
  UCR35057  Leptodactylon californicum L. B. Ziegler 1967-4-18 116 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  UC737252  Leptodactylon californicum subsp. glandulosum Frank W. Gould 1943-4-18 2142 Riverside on Idlewild cutoff near and above Banning Comment
  UCR3438  Leptodactylon californicum subsp. leptotrichomum John Minnich 1964-3-28 64-3-28- 5 Riverside Santa Ana Mountains, Hwy 74, on Elsinore side of of summit 610 Comment
  JOTR16798  Leptodactylon pungens Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  UC455471  Leptodactylon pungens I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  RSA67071  Leptosiphon ciliatus Verne Grant, Alva Grant 1951-7-22 16106 Riverside Along road to Dark Canyon campsite, 0.25mi from main hwy, north of Idyllwild. 1707 Comment
  RSA519231  Leptosiphon floribundus Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  POM99052  Leptosiphon floribundus E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  RSA73056  Leptosiphon lemmonii F. W. Peirson 1922-4-28 2931 Riverside Temescal Canyon. 335 Comment
  UCSB32959  Leptosiphon lemmonii Patterson, R.; Howald, Ann 1978-4-7 Riverside Calif. Hwy. 71, ca. 8 mi. S of junction w/ Ontario Ave. 400 Comment
  OBI70236  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Cyn: terrace escarpment between Horsethief wash and Indian Truck Trl, S of I-15 Comment
  RSA701250  Leptosiphon liniflorus Naomi Fraga, Sarah J. De Groot 2004-7-7 1295 Riverside Along Chimeny Flats Road (5S06). 1372 Comment
  RSA73077  Leptosiphon liniflorus P. A. Munz 1922-6-23 3316 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  UCR193973  Lessingia filaginifolia A. C. Sanders 2008-7-25 35906 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  CAS-BOT-BC383070  Lessingia glandulifera var. glandulifera R. E. Riefner, Jr. 2013-6-15 13 -119 Riverside Garner Valley, N side of Hwy 74 ca. 0.45 mi E of Thomas Mountain Rd. (Forest Rte 6S130); Little Thomas Mtn. area 1386 Comment
  POM361807  Lessingia glandulifera var. glandulifera M. B. Dunkle 1933-7-21 3718 Riverside Idyllwild 1616 Comment
  RSA125202  Lessingia glandulifera var. glandulifera E. K. Balls, P. C. Everett 1957-8-20 22678 Riverside Along State Hwy. 74, SE of Hemet Reservoir, S end San Jacinto Mountains. 1357 Comment
  UC468916  Lessingia glandulifera var. glandulifera F. M. Reed Riverside Comment
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Dec 6 2014
  RSA748056  Lewisia rediviva Justin M. Wood 2009-5-11 691 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  CDA5383  Ligustrum lucidum A. C. Sanders 2000-12-16 23728 Riverside San Bernardino Valley; City of Riverside; UCR campus, along Big Springs Rd. just east of Campus Dr. Comment
  CAS-BOT-BC451629  Lilaea scilloides Philip A. Munz 1941-5-18 16663 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  UCR241499  Lilium humboldtii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 222 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UC1531115  Limnanthes gracilis subsp. parishii Kay L. Tomlinson, Deborah L. Kama, and Robert F. Thorne 1985-3-27 892 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  UC68745  Linanthus aureus subsp. aureus H. M. Hall May 1905 6001 Riverside Cottonwood Pass Colorado Desert 609 Comment
  SBBG34194  Linanthus dianthiflorus T. L. Secrest 1951-5-19 Riverside from Idyllwild to Hemet Lake Comment
  SBBG93118  Linanthus dianthiflorus R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  UC665884  Linanthus dianthiflorus Ira L. Wiggins 1941-3-27 9692 Riverside 4 mi n Whitewater Comment
  UCR24233  Linanthus dianthiflorus John C. Roos 1952-4-13 5529 Riverside Box Springs Mtns 488 Comment
  RSA618769  Linanthus dianthiflorus subsp. dianthiflorus L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Falls Creek, north side of Mount San Jacinto. 548 Comment
  POM13247  Linanthus dianthiflorus subsp. farinosus P. A. Munz, I. M. Johnston 1922-5-19 5361 Riverside 5 miles NE of Murietta. 457 Comment
  JEPS58459  Linanthus lemmonii Marjorie D. Clary 1932-7-3 975 Riverside near Hemet Lake; Colorado Desert 1341 Comment
  UCR177640  Linanthus lemmonii 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 1159 Comment
  UCR35060  Linanthus liniflorus subsp. pharnaceoides L. B. Ziegler 1966-6-21 59 Riverside Peninsular Range; San Jacinto Mtns., between Mountain Center and Keen Camp Summit 1448 Comment
  RSA0047250  Linanthus maculatus J. Mark Porter, Leigh A. Johnson 1997-3-10 11467 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  UC23766  Linanthus parviflorus Geo. R. Hall 1901-3-17 1674 Riverside near Riverside Comment
  PASA685  Linum lewisii Sally Ellis 1939-6-22 Riverside Halona, Idyllwild Comment
  RSA775225  Linum lewisii Duncan S. Bell, Valentin Arvizu 2010-5-24 1095 Riverside San Bernardino National Forest: Garner Valley, approximately 2.7 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  UCR155825  Linum usitatissimum John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA775723  Loeseliastrum matthewsii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 958 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 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
  SEINET6188281  Logfia arizonica David Silverman, Onkar Singh 2010-1 7843 Riverside Sonoran (Colorado) Desert; NW of Blythe, Palo Verde Mesa, 1.4 km east of Black Creek Rd, 4.9 km west of McCoy Wash, and 8.8 km north of I-10 151 Comment
  JOTR35097  Logfia filaginoides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3003 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  SD124230  Logfia filaginoides Robert F. Thorne, Fosberg, Sachet and Herbst 1983-4-23 55488 Riverside San Bernardino Mountains; sandy wash along Whitewater River. Four miles north of Whitewater Post Office. 640 Comment
  SEINET244006 Image available Logfia filaginoides Herbert L. Mason 1952-1 14208 Riverside Palm Canyon near Palm Springs Comment
  SEINET251684 Image available Lolium rigidum Walter Graves 2002-5-15 502 -13 Riverside Riverside : grown at U.C. R. in Agricultural Operations Fields (Riverside East 7.5' Q.) 305 Comment
  SD137926  Lomatium dasycarpum subsp. dasycarpum Darin L. Banks, Steve Boyd 1995-3-15 67 Riverside Northwest Palomar Mountains; Agua Tibia Wilderness Area, north face of Agu Tibia Mountain, Dorland Mountain area. 700 Comment
  POM305708  Lomatium lucidum Anonymous, Henry J. Ramsey 1939-4-22 1031 Riverside Hemet-Anza, Bautista Creek Rd. Comment
  UC21232  Lomatium mohavense H. M. Hall 1899-5-26 1184 Riverside San Jacinto Mts., Nigger Jim Hill Comment
  UCSB18143  Lomatium mohavense Lehmann, Karla 1964-5-10 Riverside Pinyon Flants Campground 1249 Comment
  SD7635  Lomatium utriculatum unknown May 1882 Riverside San Jacinto Plain Comment
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Jul 12 2010
  UCR97291  Lomatium utriculatum Steve Boyd, T. Ross & L. Arnseth 1990-3-29 3905 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  UCR97663  Lomatium utriculatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19913 Riverside Lake Skinner area, ridgetop (2283 foot ridge) on north side of valley in hills east of Rawson Canyon, 1 mile south of Crown Valley. 671 Comment
  RSA564307  Lomatium vaginatum Scott D. White 1993-4-20 1220 Riverside Ridge SE of Estelle Peak, Gavilan Hills. 793 Comment
  RSA628481  Lonicera interrupta A. C. Sanders 1994-5-30 14585 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  CAS-BOT-BC234885  Lonicera subspicata var. denudata Steve Boyd 1986-5-7 1831 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  JEPS20093  Lonicera subspicata var. denudata Peter H. Raven with R. Snow 1957-7-26 11118 Riverside 2.0 mi s Vista Grande Ranger Station (Banning to Idyllwild road); San Jacinto Mountains Comment
  RSA674871  Lonicera subspicata var. denudata Scott D. White, T. B. Salvato 2001-6-8 8589 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR122740  Lotus argophyllus var. argophyllus George K. Helmkamp, E. A. Helmkamp 1998-4-24 3381 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  RSA90073  Lotus argophyllus var. argophyllus F. W. Peirson 1921-3-22 4092 Riverside Andreas Canyon, Palm Springs region Comment
  UC1506120  Lotus argyraeus R. T. Clausen 1963-4-23 63063 Riverside ridge s Red Mt.; Transverse Ranges Comment
  RSA525243  Lotus hamatus Steve Boyd, T. S. Ross 1990-5-11 4620 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UCR90368  Lotus hamatus Scott D. White 1995-6-30 3429 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR97646  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 19937 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 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
  UCR241937  Lotus heermannii A. C. Sanders, Timothy W. Chumley 2013-4-5 40772 Riverside Peninsular Range, Temescal Canyon, 10 miles south of Corona, just north of El Hermano Rd., NW of Corona (Lee) Lake and SE of Glen Ivy 313 Comment
  RSA406730  Lotus heermannii var. heermannii N. C. Cooper 1949-6-29 4335 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA562480  Lotus micranthus Steve Boyd, T. S. Ross 1992-5-5 7256 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  UC80942  Lotus nevadensis var. nevadensis A. W. Anthony 1895-7-10 Riverside San Jacinto Mts. 2590 Comment
  JEPS55729  Lotus oblongifolius var. oblongifolius W. L. Jepson 1903-8-6 2258 a Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  RSA406419  Lotus oblongifolius var. oblongifolius N. C. Cooper 1944-7-16 1563 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  UC1329862  Lotus procumbens var. procumbens James E. Cole 1941-5-29 819 Riverside Stubby Spring Road Joshua Tree National Monument 1432 Comment
  UCR92078  Lotus purshianus Scott D. White 1995-8-23 3587 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UC555405  Lotus rigidus Frank W. Peirson 1922-4-9 Riverside Andreas Canyon Comment
  CSUSB1194  Lotus scoparius Annette Price 1962-3-31 003 Riverside Growing along road through Citrus Experiment Station, just past station at the curve in the road, UCR campus, Riverside. Comment
  CSUSB1263  Lotus scoparius A. P. Donaldson 1966-4-9 Riverside Collected by the roadside about 30 yards off 6.7 miles from turnoff to Hemet from Highway 60. 365 Comment
  HSC98274  Lotus scoparius var. brevialatus D. W. Snell 1964-3-26 16 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  POM50378  Lotus scoparius var. brevialatus W. W. Eggleston 1924-3-8 19525 Riverside Hemet. 480 Comment
  RSA617163  Lotus scoparius var. brevialatus Scott D. White, M. Jacobsmeyer 1996-4-20 3958 Riverside SW of Perris: Hillside S of the San Jacinto River Channel. 488 Comment
  UCR180585  Lotus scoparius var. brevialatus Scott D. White, Angelia Carey 2004-4-5 10005 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  JOTR30261  Lotus strigosus Leary, C. and Leary, Pat 1979-5-6 3028 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  RSA263676  Lotus strigosus E. W. Lathrop 1968-6-2 6947 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA28287  Lotus strigosus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA406329  Lotus strigosus N. C. Cooper 1944-6-17 1446 Riverside San Jacinto Mountain. West side. 1372 Comment
  UCR178302  Lotus strigosus T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 922 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCR214121  Lotus strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37727 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
  POM7040  Lotus strigosus var. strigosus P. A. Munz, L. T. Street, G. Williams 1919-3-28 2379 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA498731  Lotus strigosus var. strigosus Freda Detmers 1933-3-25 17160 Riverside Between Banning and Cabazon. Comment
  RSA680919  Lotus strigosus var. tomentellus Scott D. White, Michael Honer 2003-5-14 9274 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA21757  Lotus tomentellus C. B. Wolf 1937-4-6 8429 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA406376  Lotus tomentellus M. B. Dunkle 1933-3-4 3031 Riverside Painted Canyon. 30 Comment
  RSA191399  Lotus unifoliolatus E. W. Lathrop, Robert F. Thorne 1967-9-26 6661 Riverside 4 mi. NW of Murrieta 609 Comment
  RSA680556  Lotus wrangelianus Scott D. White, Michael Honer 2003-4-30 9135 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCR120847  Lotus wrangelianus D. E. Bramlet 1993-4-12 2320 Riverside Lake Mathews; 46 m north of Cajalco Rd. at a point 762 m east of La Sierra Ave., NW of Siegal Ranch Road 427 Comment
  SEINET5327615  Lupinus albifrons E. A. Zumbro 1903-1 396 Riverside Blue Mt., W. Riverside. Comment
  POM349959  Lupinus arizonicus M. B. Dunkle 1935-3-30 4428 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA414838  Lupinus arizonicus E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canyon on Blythe Road. Comment
  RSA758323  Lupinus arizonicus Doug Goldman 2005-3-3 3028 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  SJSU10788  Lupinus arizonicus R. C. McGehee 1970-4-28 232 Riverside 5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UCR160076  Lupinus arizonicus Robin Schramm, R. Schoeninger 1998-3-14 16 Riverside Sonoran (Colorado) Desert, 0.5 miles north of I-10 fwy on Eagle Mtn Rd exit 305 Comment
  UCR104946  Lupinus bicolor A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20687 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  JEPS65048  Lupinus concinnus W. L. Jepson 1901-5-19 1297 Riverside Chalk Hill Mt. San Jacinto, Chalk Hill 1371 Comment
  PASA822  Lupinus concinnus Frank W. Peirson 1922-5-19 Riverside Road to Keen's Camp, San Jacinto Mts. Comment
  SEINET7358736  Lupinus concinnus L. Haines 1937-4-9 s.n. Riverside Pasture one mile west of San Jacinto, California;; 0 Comment
  POM10351  Lupinus concinnus subsp. optatus H. M. Hall 1904-5-19 4945 Riverside Fairmount Park. Comment
  UCR35026  Lupinus concinnus subsp. optatus L. B. Ziegler 1969-5-5 353 Riverside San Jacinto Mtns,, Hemet Valley ( = Garner Valley). 1402 Comment
  RSA670630  Lupinus densiflorus var. lacteus B. C. Templeton 1930-4-9 1493 Riverside East of Riverside 700 Comment
  LA205082  Lupinus excubitus Elizabeth McClintock; 1936-7-20 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UCR167981  Lupinus excubitus var. austromontanus T. B. Salvato, John F. Green 2004-5-27 650 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
  UCR268285  Lupinus excubitus var. austromontanus Jim Andre 2012-6-15 30538 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCR84571  Lupinus excubitus var. hallii Steve Boyd 1986-4-22 1750 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA160413  Lupinus formosus J. D. Olmsted 1959-9-23 994 Riverside 2.5 miles south of Hemet Lake on Hwy 74 near road to Thomas Mt. trhough Garner ranch, San Jacinto Mts, Helmet Lake Drainage 1387 Comment
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Apr 1 2011
  SEINET10865805  Lupinus formosus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7146 Riverside Chaparral along roadside. 0.8 Mi w of anza on hwy 71. 1036 Comment
  VVC222  Lupinus hirsutissimus A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20654 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  SEINET10488674  Lupinus hirsutissimus David B. Dunn 1948-3-14 Dunn 3781 Riverside Flat open sands near hidden springs ranch. 3 Mi. S of the indio hills; Colorado desert. Comment
  UC1922189  Lupinus hyacinthinus Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1738 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR60538  Lupinus microcarpus C. W. Tilforth, W. Wisura 1979-5-23 1806 Riverside Santa Ana Mtns., Santa Rosa Plateau, Murrieta to De Luz road, c. 2 air mi. south of Murrieta 335 Comment
  RSA33604  Lupinus microcarpus var. densiflorus N. C. Cooper 1944-5-20 1260 Riverside Palms to Pines Hwy, San Jacinto Mts. 1280 Comment
  UCR92108  Lupinus microcarpus var. densiflorus D. L. Banks, Steve Boyd 1995-5-17 441 Riverside Agua Tibia Mountains, NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn, lower Arroyo Seco, south of the Dripping Springs Campground, west of the Dripping Springs Trail. 573 Comment
  OBI48521  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
  POM11283  Lupinus polyphyllus var. burkei Philip A. Munz 1922-7-6 5979 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  JEPS64939  Lupinus sparsiflorus W. L. Jepson 1914-5-17 5981 Riverside N of Indio (Lookout Mt.); Colorado Desert Comment
  RSA586794  Lupinus sparsiflorus D. L. Banks, S. D. Boyd 1995-5-3 0232 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA678417  Lupinus sparsiflorus Michael Wall 2003-4-6 256 Riverside Vacant lot off Ramona Expressway at Donna Ave adjacent to Soboba Health Clinic. Property for sale and future housing development. 506 Comment
  UC1929905  Lupinus sparsiflorus Scott D. White 2004-4-26 10242 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UCR87980  Lupinus sparsiflorus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  RSA450316  Lupinus truncatus J. C. Roos 1948-4-24 3788 Riverside Cabazon. Comment
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Apr 3 2011
  SD237445  Lupinus truncatus T. B. Salvato, Matt MallA^, Tim Searl 2011-4-19 5165 Riverside Peninsular Range: Gavilan Hills: Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 (Alberhill 7.5'Q) 462 Comment
  UC665740  Lupinus truncatus Ira L. Wiggins 1941-3-27 9693 Riverside slopes 4 mi n Whitewater; n of Whitewater Comment
  UCR142197  Lupinus truncatus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  POM14117  Luzula comosa Phillip A. Munz 1922-7-6 6000 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  JOTR16859  Lycium andersonii Moore, Sue 1968-5-13 s.n. Riverside Joshua Tree National Park. NEAR PINTO WYE 1158 Comment
  RSA209594  Lycium andersonii S. W. Austin 1969-4-3 3 Riverside [Riverside] West slope of Box Springs Mountains, east of railroad tracks and north of ravine north of Big Springs Rd. 427 Comment
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Jun 24 2012
  RSA422103  Lycium andersonii Anstruther Davidson 1904-5-1 1089 Riverside Palm Springs. Comment
  UC303699  Lycium andersonii F. M. Reed Dec 1917 11655 Riverside Terquisquita Canyon [Tequesquite Arroyo] Comment
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Aug 14 2010
  UCR133025  Lycium andersonii Bern Schwenn 1998-5-4 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, nameless canyon between Carey's Castle and Red Butte Wash, below first fall and above fork 732 Comment
  UCR139384  Lycium andersonii F. W. Peirson 1922-4-29 1084 Riverside Perris-Aguanga Region, Aguanga 610 Comment
  SEINET12808830  Lycium brevipes H. Schmidt, Chris Dietrich, M. Merello 1994-1 29 Riverside 7.5 mi S of North Shore on State Hwy 111. Along Hwy on E shore of Salton Sea. 60 Comment
  RSA428584  Lycium brevipes var. brevipes Louis C. Wheeler 1931-11-26 384 Riverside 1/4 mi. SW Salton BM. Sea level. Comment
  RSA788559  Lycium cooperi Duncan S. Bell 2012-3-8 3145 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  UC103834  Lycium torreyi E. Palmer, M. D. Mar 1876 425 Riverside Valley of the Colorado Comment
  SDSU21790  Lysimachia minima Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3988 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  RSA736732  Lythrum californicum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10687 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR114747  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22798 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  RSA585728  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0392 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  RSA192188  Madia gracilis E. W. Lathrop 1960-6-8 4919 Riverside 14 miles west of Murrieta Comment
  CAS-BOT-BC206262  Malacothamnus fasciculatus A. M. White 1974-6-5 74 -671 Riverside Indian Road ca. 15 mi. W of Sun City 1219 Comment
  CSUSB1444  Malacothamnus fasciculatus Randy Salstrom 1966-4-12 s.n. Riverside On slopes of canyon of Box Springs Mountains at east end of Blain Street in Riverside 274 Comment
  UC1929894  Malacothamnus fasciculatus Scott D. White, Angelia Carey 2004-7-2 10560 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  SEINET9335970  Malacothrix californica Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR121072  Malacothrix californica D. E. Bramlet 2000-8-30 3077 A Riverside Perris-Aguanga Basin region, Shipley Reserve, ephemeral drainage 213 m south of Auld Valley Creek and 915 m east of Bachelor Mtn. access road 451 Comment
  UCR23235  Malacothrix clevelandii J. C. Lyman 1981-5-24 s.n. Riverside San Jacinto Mtns., May Valley Rd. Idyllwild. 1768 Comment
  POM11908  Malacothrix coulteri P. A. Munz 1922-4-29 5108 Riverside Sedco Station, Temescal Canyon Comment
  RSA176247  Malacothrix glabrata R. F. Thorne 1963-3-29 32406 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA559923  Malacothrix glabrata Steve Boyd, Carol Boyd, K. A. Boyd 1992-4-19 6912 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA613903  Malacothrix glabrata A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20642 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  UC1922690  Malacothrix glabrata Scott D. White, Angelia Carey 2004-4-5 9999 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Lake Fulmor 7.5' Quad. Comment
  UCR235923  Malacothrix glabrata Jeremiah George 2012-6-4 s.n. Riverside San Gorgonio Pass, Banning, 0.1 mi. east of intersection of Bobcat Rd. and Turtle Dove Lane 707 Comment
  CAS-BOT-BC170383  Malosma laurina E. W. Lathrop 1965-5-23 5763 Riverside 8 miles W of Murrieta 609 Comment
  RSA171929  Malosma laurina R. F. Thorne 1963-7-26 32820 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  UC1130508  Malosma laurina A. Lewis Feb 1934 265 Riverside 3 mi. e. Auburndale; Corona Quad. 91 Comment
  RSA441204  Marah macrocarpa Freda Detmers 1930-2-2 s.n. Riverside Palm Canyon. Comment
  UCR232049  Marah macrocarpa John F. Green 2008-4-15 0408- 12 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  CAS-BOT-BC216180  Marina parryi Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring Comment
  RSA404230  Marina parryi N. C. Cooper 1949-4-8 3295 Riverside Desert Center. 610 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
  UCR72229  Marina parryi Theo Glenn 1991-5-28 91- 111 Riverside Sonoran (Colorado) Desert, Mule Mountains 165 Comment
  UCSB3069  Marina parryi Haller, John 1960-4-2 Riverside South side of U.S. 60-70, 5.8 miles east of Desert Center 243 Comment
  RSA450079  Marsilea vestita J. C. Roos 1965-9-16 s.n. Riverside Lakeview. Comment
  RSA557320  Marsilea vestita Julie Greene, Steve Boyd, Dave Bramlet, Hilda Flores, Helga Ochoterana 1993-7-9 1433 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  UCR282161  Matricaria occidentalis R. E. Riefner Jr. 2017-4-2 17- 139 Riverside Perris-Aguanga Basin, city of Hemet, along California Ave. near Stowe Road 468 Comment
  RSA562106  Medicago polymorpha Steve D. Boyd 1992-4-14 6800 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA192125  Medicago sativa H. A. Zuill 1966-6-27 256 Riverside Between Tenaja Guard Station and the Main Divide Truck Trial. Comment
  SEINET5799585 Image available Melica Marcus E. Jones 1882-1 Riverside San Jacinto; 33.783908 -116.958635 Comment
  RSA85572  Melica frutescens J. C. Roos 1952-4-9 5492 Riverside Mt. Rubidoux 396 Comment
  CAS-BOT-BC281606  Melica imperfecta Steve Boyd; et al. 1990-4-3 4103 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mt, just S of the E summit 701 Comment
  CLARK-A1528-4730  Melica imperfecta John C. Roos 1939-5-27 Riverside Reche Canyon Comment
  RSA702261  Melica imperfecta Steve Boyd, Aydee Virgen 2004-4-13 10852 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR158260  Melica imperfecta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30122 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
  UCR240636  Melica imperfecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 44 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 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
  UCR22078  Melilotus indicus Steve Boyd 1980-5-3 181 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  POM13741  Mentha canadensis E. C. Jaeger 1921-8-21 1164 Riverside Riverside. Comment
  UC56213  Mentzelia affinis H. M. Hall Apr. 1903 3829 Riverside vicinity Riverside; Southern California 365 Comment
  UCR72155  Mentzelia desertorum Theo Glenn 1991-5-8 91- 85 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  POM15052  Mentzelia dispersa Mary F. Spencer 1922-6-26 1233 Riverside Idyllwild. San Jacinto Mts. 1707 Comment
  RSA0104078  Mentzelia involucrata Duncan S. Bell, Evan Meyer 2014-10-28 7670 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  UC196003  Mentzelia involucrata Joseph Grinnell 1910-3-18 Riverside Riverside Mt., Colorado River Comment
  UCR166776  Mentzelia involucrata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10892 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR88536  Mentzelia involucrata A. C. Sanders 1995-4-13 16497 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  POM259628  Mentzelia longiloba var. longiloba E. C. Jaeger 1939-12-12 s.n. Riverside Chuckawalla Spring, Riverside County. Alt 900ft 274 Comment
  RSA446846  Mentzelia longiloba var. longiloba A. Menke 1955-4-27 s.n. Riverside 33 miles E of Desert Center. Comment
  UCR65298  Mentzelia micrantha Steve Boyd, T. S. Ross, K. A. Boyd 1989-6-24 3756 Riverside Vail Lake area, Along road in shallow canyon on SE flank of 'Little' Oak Mtn, west of Kolb Creek drainage, north of Hwy 79 Comment
  UCR201420  Mentzelia veatchiana Scott D. White, Angelia Carey 2004-4-16 10162 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR220324  Microseris douglasii D. E. Bramlet 1992-4-3 2210 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  UCR225581  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2011-3-29 38870 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR90391  Microseris heterocarpa D. L. Banks, Steve Boyd 1995-5-9 0326 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  POM19636  Microseris lindleyi Mary F. Spencer 1923-6-9 2169 Riverside Idyllwild. San Jacinto Mt. 1828 Comment
  SEINET10808319  Microseris lindleyi Mitch C. Provance 2003-4-26 Provance 9897 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. Grassy clay slopes with patches of coastal sage scrub (Hemizonia abundant) between 900 and 1200 ft., becoming bouldery between 1200 and 1400 ft. with coastal sage scrub (Salvia mellifera common). 274 Comment
  UCR107827  Microseris lindleyi D. L. Banks 1997-5-5 2006 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
  UCR54249  Microseris lindleyi David Charlton 1988-5-21 1938 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  RSA192069  Mimulus aurantiacus var. pubescens E. W. Lathrop 1965-4-4 5638 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  POM256953  Mimulus aurantiacus var. puniceus W. Pequegnat 1940-6-12 s.n. Riverside Main Divide Truck Trail near Ortega Highway. 823 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
  RSA488927  Mimulus aurantiacus var. puniceus Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  UCR216401  Mimulus aurantiacus var. puniceus Mike Bell 2008-3-30 029 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  RSA796511  Mimulus brevipes Robert F. Thorne, E. W. Lathrop 1977-5-18 49721 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR154448  Mimulus brevipes A. C. Sanders, Mike Misenhelter 2005-6-15 30959 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
  UCR26543  Mimulus brevipes A. C. Sanders, S. Hagopian 1981-5-20 2143 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR35251  Mimulus cardinalis L. B. Ziegler 1967-7-26 191 Riverside San Jacinto Mtns, Stone Creek Canyon 1829 Comment
  RSA407719  Mimulus clevelandii Steve Boyd 1986-4-22 1757 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  CAS-BOT-BC9465  Mimulus diffusus Barbara Ertter; Jeffrey L. Strachan 1980-5-21 3483 Riverside Santa Rosa Mountain road (Forest Road 7S02) ca. 2 miles south of Highway 74 (Pines to Palms Highway) 1584 Comment
  UCR156286  Mimulus floribundus T. B. Salvato, Kent Beaman 2005-5-16 838 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
  CSUSB887  Mimulus guttatus Jean Texera 1970-5-17 20 Riverside 5 miles south of Murrieta on road to De Luz, 20 yards from along stream. 152 Comment
  HSC79248  Mimulus guttatus G. K. Helmkamp 1984-5-2 - 31 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  UC56259  Mimulus guttatus H. M. Hall 1902-4-23 2957 Riverside vicinity Riverside; Santa Ana River 228 Comment
  UCR137034  Mimulus guttatus A. C. Sanders 2004-5-5 27781 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
  UCR43426  Mimulus johnstonii B. G. Pitzer 1986-5-24 234 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  JOTR32389  Mimulus pilosus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2493 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA612170  Mimulus pilosus Louis C. Wheeler 1932-7-9 931 Riverside Santa Ana River at Chino Creek. 152 Comment
  JOTR31048  Mimulus rubellus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2031 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UCR130122  Mirabilis laevis Scott D. White 2001-4-3 8227 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  CAS-BOT-BC434676  Mirabilis laevis var. crassifolia A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37468 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
  CAS-BOT-BC434689  Mirabilis laevis var. crassifolia Marian L. Campbell 1921-3-19 58 Riverside Banning to Palm Springs Comment
  UCD98077  Mirabilis laevis var. crassifolia Franklin C. Raney 1959-4-30 59 -5 Riverside State Highway 74, 1 mile east of Romoland. Comment
  CAS-BOT-BC434834  Mirabilis laevis var. retrorsa Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  UC194830  Mirabilis laevis var. retrorsa S. B. Parish 1916-5-18 10847 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  UC851827  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood springs Comment
  RSA306175  Mohavea confertiflora Fay A. MacFadden 1940-3-17 15277 Riverside Road from 29 Palms to Indio, 2/3 of way to Indio. San Bernardino Mtns Comment
  UC963920  Mohavea confertiflora H. K. Wagnon 1944-3-12 337 Riverside Cathedral City, n side of Cathedral Canyon Cathedral Canyon; Cathedral City, Cathedral Canyon Comment
  UC489171  Monardella australis subsp. australis C. V. Meyer 1928-7-26 548 Riverside San Jacinto Mt. 2895 Comment
  RSA667  Monardella macrantha subsp. hallii J. T. Howell 1927-8-2 573 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  CAS-BOT-BC215493  Monardella nana E. McClintock; H. Lewis 1941-6-29 76 Riverside Road up Santa Rosa Mt. 1/2 mile beyond canyon where stream crosses road Comment
  CAS-BOT-BC215497  Monardella nana Elizabeth McClintock 1941-7-15 115 Riverside On slope south of Strawberry Creek and west of Domengonio Flats, San Jacinto Mts. Comment
  LA57196  Monardella nana Philip A. Munz; 1937-5-31 15114 Riverside at Anza tablet, head of Coyote Canyon, S.W. of Riverside county Comment
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Mar 11 2014
  SEINET13948605 Image available Monardella nana Helen K. Sharsmith 1954-1 4444 Riverside San Jacinto Mountains, on Forest Service road to Black Mountain ca 1 mile from highway. Between Fuller Creek and Idlewild, San Bernardino National Forest. Alt ca 6500 ft 1981 Comment
  RSA750417  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 54 Riverside About 5 miles from the Anza Monument turn off. Comment
  SEINET10582210  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 50 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  UC1499953  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 98 Riverside 0.1 mi beyond turn off Banning-Idyllwild road; Black Mt. Comment
  CAS-BOT-BC248286  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
  UCR121352  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24610 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
  RSA562426  Monolopia lanceolata D. Bramlet 1993-4-13 2325 Riverside Adjacent of the existing dirt access rd., 610 m N of Cajalco Rd, in the ''Cajelco Bend'' area. This site some 1.1 km W of Lake Mathews Drive. 433 Comment
  JOTR33984  Monoptilon bellioides La Doux, Tasha, M. Harding 2010-4-7 2872 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
  UC1069984  Monoptilon bellioides H. S. Yates 1936-4-7 5425 Riverside near Whitewater; San Jacinto Quadrangle Comment
  RSA0048607  Monoptilon bellioides Riverside Orocopia Mtns. 472 Comment
  UC1922191  Muhlenbergia filiformis Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1773 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA0104485  Muhlenbergia porteri Duncan S. Bell 2015-9-30 8670 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UC39891  Muhlenbergia richardsonis H. M. Hall July 1901 Riverside Fuller's Mill Mountains San Jacinto Mountains 2286 Comment
  UCD87126  Muhlenbergia rigens H. S. Yates 1936-8-28 6371 Riverside Near Keen Camp. 1584 Comment
  RSA750555  Muilla maritima Scott D. White, Justin M. Wood 2009-5-21 12882 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  CAS-BOT-BC83346  Myosurus minimus Frank W. Peirson 1922-4-29 2945 Riverside South of Lake Elsinore. 374 Comment
  RSA543872  Myosurus minimus subsp. apus Steve Boyd, Dave Bramlet 1991-5-13 6227 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR281106  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 26 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  CLARK-A1528-2980  Nama demissa John C. Roos 1947-3-15 3355 Riverside Santa Rosa Mountains 365 Comment
  RSA421112  Nama demissa Christopher Davidson 1979-4-4 7693 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  CDA40301  Nama demissa var. demissa T. C. Fuller 1964-4-14 11820 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  JOTR36448  Nama demissa var. demissa La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3418 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
  UC1601383  Nassella cernua Robinson and Crocker 1916-3-29 Riverside grassy foothills Santa Ana Mts. Comment
  UCD87909  Nassella cernua Fred M. Reed 1906-3-17 927 Riverside Riverside. Tequesquito Arroyo at end of Chicago Ave. Comment
  RSA586492  Nassella lepida D. L. Banks, Steve Boyd 1995-5-9 322 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  UCR115940  Navarretia atractyloides Mitch Provance 1998-6-11 677 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR158284  Navarretia atractyloides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30109 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
  RSA263802  Navarretia fossalis George E. Johnston, E. W. Lathrop 1975-6-13 4 Riverside Mesa de Burro, 3 mi west of Murietta. Santa Rosa Plateau. 609 Comment
  UCR15527  Navarretia prostrata 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
  UCR206020  Navarretia prostrata Diane Menuz 2009-5-14 495 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  POM178629  Nemacladus orientalis Marcus E. Jones 1930-4-2 26444 Riverside Hayfields Comment
  UCR127943  Nemacladus ramosissimus A. C. Sanders 1994-5-30 14610 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SEINET10461025  Nemacladus ramosissimus Wilder WILDER 575 Riverside Jurupa Mountains, Wilder's Canyon Comment
  SEINET10461076  Nemacladus ramosissimus Rimo Bacigalupi, Guy T. Robbins 1954-5-16 Bacigalupi 4464 Riverside St. John's Grade, State Highway 79, 11 miles south of Hemet, at junction of road to Red Mountain 792 Comment
  SEINET10460969  Nemacladus sigmoideus Wagnon 1944-5-20 WAGNON 387 Riverside Alluvial fan, Tachevah Canyon, Palm Springs Comment
  UCSB10497  Nicotiana attenuata Graney, Don 1953-3-21 Riverside 11 miles east of Indio; Colorado Desert Comment
  UCR20695  Nicotiana clevelandii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1320 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
  SDSU11221  Nicotiana glauca James C Dice, J. DeWald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of sction 27. 247 Comment
  RSA11572  Nicotiana obtusifolia A. N. Dunn 1932-3-26 s.n. Riverside Box Canon. [Canyon] Comment
  RSA710134  Nicotiana obtusifolia Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  RSA744303  Nicotiana obtusifolia M. Wall 2009-4-5 503 Riverside Ladder and Painted Canyons east of Mecca. 231 Comment
  SD128719  Nicotiana obtusifolia Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  SBBG32470  Notholaena californica L. S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 182 Comment
  SD137609  Nuttallanthus texanus Darin L. Banks 1995-5-3 265 Riverside Cleveland National Forest: N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along lower alluvial benches of Arroyo Seco 512 Comment
  RSA663899  Oenothera deltoides C. R. Annable 1995-3-16 2295 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  VVC347  Oenothera elata F. Zaebst 1959-4-26 s.n. Riverside South Perris Basin, US 395 (now I-15), 2.2 mi S of Temecula River Bridge, 10 yds S.E. of hwy marker 38&30A E. side of road. 366 Comment
  CAS-BOT-BC427461  Oligomeris linifolia Carl B. Wolf 1937-4-6 8436 Riverside Colorado Desert. Coachella Valley, 3 mi. No. of Indio. 0 Comment
  RSA698597  Oligomeris linifolia Calvert Norland 1930-5-18 s.n. Riverside Shavers Well. Comment
  UCR232390  Oligomeris linifolia Dave Silverman 2010-3-24 7826 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  RSA654882  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-BC349926  Oncosiphon piluliferum A. C. Sanders 2011-3-30 38906 Riverside Peninsular Range: city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  RSA666718  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. S of Van Buren Blvd. 465 Comment
  UCR234282  Oncosiphon piluliferum A. C. Sanders 2012-4-12 40028 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 312 Comment
  UCR234325  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-4-6 40005 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  UCR235523  Oncosiphon piluliferum R. E. Riefner Jr. 2009-2-25 09- 20 Riverside Peninsular Range, city of Lake Elsinore, south side of Temescal Wash, west of Hwy 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  RSA459623  Opuntia basilaris Ora M. Clark 1929-3-17 1760 Riverside S. Palm Springs. Comment
  RSA5407  Opuntia bigelovii var. bigelovii C. B. Wolf 1932-10-12 4301 Riverside Northwest end of Pinto Basin, about 4 mi east of El Dorado Queen Mine. 915 Comment
  UCR42624  Opuntia littoralis A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 6457 Riverside Peninsular Range, Temescal Wash just below Lee Lake [Corona Lake], 5 mi NW of Alberhill 366 Comment
  UCSB24788  Opuntia polyacantha var. erinacea Rieser, D. 1966-5-15 Riverside Pinyon Flats Campground on south side of road, 9.0 miles southeast from junction with road to Anza. Comment
  POM284056  Opuntia vaseyi Lyman Benson 1955-12-6 15618 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  JEPS74752  Orcuttia californica N. Hogg 1973-9-15 Riverside 4 mi w Murrietta (cattle tanks in ne portion of mesa); Mesa de Burro Comment
  SEINET4080627  Orcuttia californica L. M. Boykin, P. M. Hall 2003-1 Riverside Comment
  SEINET8733513 Image available Orobanche californica Unknown 4-6/30 192 199 Riverside Shaven's Well Comment
  JEPS85949  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4527 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  RSA0020373  Orobanche cooperi Duncan S. Bell 2012-3-4 3132 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  UCSB7503  Orobanche cooperi Nowell, J. 1958-3-22 Riverside Highway 60-70, 3 miles west of Desert Center Comment
  UC1424840  Osmadenia tenella E. W. Lathrop 1968-6-2 6952 Riverside trail between El Carriso and San Mateo Canyon; Cleveland National Forest 1219 Comment
  RSA458992  Osmorhiza brachypoda E. Crow 1929-3-17 211 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  CHSC109713  Oxalis albicans subsp. californica Scott D. White 2003-3-21 8825 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
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May 28 2018
  UCR3410  Oxalis rubra H. M. Whistler 1963-5-10 640510- 03 Riverside University of California, Riverside campus housing area, at 3401 Avocado [St.]. 335 Comment
  UCR30825  Oxyria digyna Lester H. Cushman 1934-8-10 2249 Riverside San Jacinto Mtns., on San Jacinto Peak 3293 Comment
  UC990926  Oxytheca trilobata Susan G. Stokes 1933-7-2 Riverside near Idyllwild Comment
  PASA2619  Paeonia brownii Sally Ellis 1940-3-18 Riverside Dripping Springs Comment
  CAS-BOT-BC327892  Palafoxia arida M. E. Jones 1884-5-3 s.n. Riverside Needles Comment
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Sep 2 2017
  RSA653713  Palafoxia arida Scott D. White 2000-3-23 7634 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  UCD134903  Palafoxia arida Lewis S. Rose 1959-1-8 59002 Riverside La Quinta. 15 Comment
  UCD134905  Palafoxia arida Shirley C. Tucker 1957-3-10 3956 Riverside desert 4 miles north of Needles. Comment
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Mar 23 2014
  SEINET10799055  Palafoxia arida Lewis S. Rose 1936-1-1 Rose 36003 Riverside Colorado Desert, L.A. Aqueduct Road, 15 mi. N of Indio. 305 Comment
  POM54709  Palafoxia arida var. arida H. M. Hall 1902-04 2768 Riverside Coyote canyon 152 Comment
  RSA0043062  Palafoxia arida var. arida Jim Andre 2014-1-27 26663 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
  UC147835  Panicum capillare H. M. Hall Aug. 1901 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  RSA0020044  Panicum hirticaule Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6018 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  CLARK-A1045-123  Parietaria floridana George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  POM2130  Parietaria hespera I. M. Johnston 1917-4-4 991 Riverside Palm Canyon. 457 Comment
  CSUSB1107  Parkinsonia aculeata R. Van Curen 1970-5-20 28 Riverside Base of Mount Rubidoux at Exit. Roadside. 259 Comment
  RSA605789  Parkinsonia aculeata Scott D. White 1996-3-23 3846 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: ''Friendly Hills Ranch''). 595 Comment
  LA45742  Parkinsonia florida A. M. Johnson; 1933-4-28 4227 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  SBBG19829  Pectis papposa E. R. Blakley 1963-9-18 6182 Riverside US Hwy 80, 2.7 mi W of Desert Center 312 Comment
  RSA778408  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 060 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
  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
  UCR172192  Pectocarya linearis John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR84835  Pectocarya linearis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16202 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
  RSA769651  Pectocarya linearis subsp. ferocula Duncan S. Bell, Naomi Fraga 2010-4-22 852 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.2 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 771 Comment
  SDSU21548  Pectocarya penicillata Mary V. Hood 1945-3-25 Riverside Aguanga, Riverside Co. 597 Comment
  UCR41528  Pectocarya peninsularis A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6017 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA777770  Pectocarya platycarpa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 975 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  UC809723  Pectocarya recurvata Philip A. Munz 1949-4-13 13065 Riverside above Cottonwood Springs (w end of Eagle Mts); Colorado Desert 1143 Comment
  JEPS68236  Pectocarya setosa W. L. Jepson 1901-5-27 1465 Riverside Thomas Valley San Jacinto Mountians, Thomas Valley Comment
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Feb 16 2013
  JOTR34198  Pectocarya setosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2991 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  SD233779  Pectocarya setosa A. C. Sanders, G. Helmkamp, L. Helmkamp 1995-4-30 16881 Riverside San Bernardino Mountains: Burns Canyon , 2.1 miles above Rimrick Rd, just below Burns Spring. 1530 Comment
  UCR77717  Pectocarya setosa Steve Boyd 1991-5-7 6169 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  UCSB11051  Pedicularis semibarbata Haines, Bruce 1962-5-5 Riverside 5 miles north of Idyllwild, 19.1 miles southwest of Banning on Banning to Idyllwild Road 1767 Comment
  RSA747516  Pellaea andromedifolia Justin M. Wood 2009-3-10 344 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  CAS-BOT-BC71400  Pellaea mucronata Munz; Harwood 1920-2-28 3231 Riverside 2 mi. S.E. of Corona 274 Comment
  UCR25363  Pellaea mucronata John C. Roos 1952-5-7 5616 Riverside Box Springs Mountains north of Canyon Crest Heights 457 Comment
  UCR97463  Pellaea mucronata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19888 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  SD229013  Pellaea mucronata subsp. mucronata Dick Schwenkmeyer 2012-3-26 673 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UC1874931  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 2003-4-25 1151 Riverside Along Hwy 243, between Idylwild and Banning, 9 road mi from Banning 1341 Comment
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Jul 6 2010
  RSA34556  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
  SD28111  Penstemon bridgesii Carl B. Wolf 1932-8-4 3908 Riverside San Jacinto Mts. Point View, near Idyllwild 1646 Comment
  HSC29906  Penstemon centranthifolius R. W. Spjut 1972-3-13 2261 Riverside W border of the Colorado Desert, slopes of the San Jacinto Mtns. near the E border of the San Bernardino National Forest along Hwy. 74 915 Comment
  RSA651708  Penstemon centranthifolius Diane M. Ramirez 1983-5-5 7 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  LA209529  Penstemon clevelandii Elizabeth Levien; 1949-5-22 sn Riverside Santa Rosa Mountains, Pines to Palms highway near Pinon Flats Comment
  CAS-BOT-BC265285  Penstemon clevelandii subsp. connatus Peter H. Raven 1958-5-6 12925 Riverside Along State Highway 74, 15.6 miles SW of Palm Desert Comment
  JOTR32967  Penstemon clevelandii var. mohavensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2718 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  POM122818  Penstemon grinnellii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  SD119896  Penstemon heterophyllus var. heterophyllus Louis B. Ziegler 1968-6-3 304 Riverside San Jacinto Mountains - Bautista Canyon, in wash of dry creek 762 Comment
  UC887103  Penstemon labrosus Edmund C. Jaeger 1921-7-8 Riverside Idylwild , Idylwild (San Jacinto Mts.) 1584 Comment
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Nov 5 2011
  UCR17522  Penstemon labrosus Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA20208  Penstemon spectabilis Carl B. Wolf 1938-6-11 9417 Riverside Palms to Pines highway, 1.5 mi. W of junction to Anza 1220 Comment
  RSA2593  Penstemon spectabilis J. T. Howell 1928-7-9 1061 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  RSA285605  Penstemon spectabilis D. C. Michener 1980-5-29 3630 Riverside Cave Springs. Comment
  SDSU10970  Penstemon spectabilis Samuel R. Franks 1962-5-19 Riverside San Jacinto Mtns. Comment
  UCR141686  Penstemon spectabilis June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  CAS-BOT-BC330344  Pentachaeta aurea John Thomas Howell 1927-8-2 2911 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  RSA282788  Pentachaeta aurea C. W. Tilforth, B. Busenberg 1980-7-10 1977 Riverside 0.1 mile in form Hwy 74 on north leg of Thomas Mountain Rd., 1 mile south of Lake Hemet 1387 Comment
  UC74874  Pentagramma maxonii Mrs. R. W. Summers Riverside San Jacinto Mts Comment
  RSA0070919  Pentagramma maxonii L. S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  RSA0070717  Pentagramma triangularis Scott D. White, Angelia Carey 2004-4-5 9986 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  POM13282  Perideridia parishii subsp. latifolia P. A. Munz 1922-9-15 6367 Riverside Taqhuitz Valley, San Jacinto Mountains. 2195 Comment
  UCR131825  Peritoma arborea Jennie Phui 1998-5-30 027 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  CLARK-A1528-4973  Perityle emoryi John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  POM13895  Perityle emoryi P. A. Munz, D. D. Keck 1922-4-9 4749 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  RSA0014468  Perityle emoryi Justin M. Wood, J. Miner 2010-4-29 1542 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA0021423  Perityle emoryi A. L. Haines 1973-3-25 s.n. Riverside Orocopia Mountains 473 Comment
  UCR123872  Petalonyx thurberi subsp. thurberi Steven R. Hill 2001-4-29 33537 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  SD254713  Petunia parviflora D. E. Bramlet, Fred M. Roberts 2005-6-6 3868 Riverside San Jacinto Valley: San Jicinto River at Sanderson Ave., north Ramona Expressway. 447 Comment
  JOTR31908  Peucephyllum schottii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2155 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  PASA1350  Peucephyllum schottii Frank W. Peirson 1930-5-29 Riverside Painted Canyon Comment
  UCR75073  Peucephyllum schottii A. C. Sanders, E. J. Lawlor 1992-4-4 12136 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA166215  Phacelia ambigua Donald Myrick 1964-3-26 789 Riverside Joshua Tree National Monument, 15 miles S of 29 Palms. 762 Comment
  RSA27430  Phacelia ambigua C. L. Hitchcock 1940-3-30 5877 Riverside Cottonwood Spring. Comment
  RSA427708A  Phacelia ambigua E. C. Jaeger 1922-4-1 716 Riverside Canyon, Colorado Desert east of Mecca 152 Comment
  RSA517240  Phacelia ambigua Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1327 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA554209  Phacelia ambigua Theo Glenn 1991-5-15 91 -43 Riverside Sonoran (Colorado) Desert Little Maria Mountains, NW of Blythe. 351 Comment
  SEINET3005069  Phacelia ambigua G. Rink 2011-5-1 10507 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring. 505 Comment
  RSA613905  Phacelia brachyloba A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20648 Riverside San Jacinto Mountains north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740. Comment
  UC24295  Phacelia brachyloba H. M. Hall June, 1901 2070 Riverside vicinity of Chalk Hill San Jacinto Mountains 1524 Comment
  UCSB52572  Phacelia campanularia Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  JEPS2192  Phacelia cicutaria var. hispida Dr. L. M. Newlon 1922-4-3 436 Riverside Andreas Canyon San Jacinto Mts. Comment
  UCR113167  Phacelia cicutaria var. hispida A. C. Sanders 1998-3-11 21672 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  HSC95252  Phacelia ciliata D. E. Bramlet 2000-5-9 3024 Riverside San Jacinto River; the site is 457 m S of San Jacinto Avenue and 1.1 km north of Ellis Ave and just W of the river Comment
  SDSU18365  Phacelia ciliata C. Matt Guilliams, Jeannine Ross 2008-3-12 529 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. 428 Comment
  UCR18538  Phacelia ciliata O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  UC672405  Phacelia crenulata var. ambigua Herbert L. Mason 1928-3-10 4199 Riverside Whitewater, Colorado Desert Comment
  UC68753  Phacelia crenulata var. ambigua H. M. Hall Apr. 1905 5765 Riverside Cathedral Canyon Colorado Desert 91 Comment
  UCR277635  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-1-14 42661 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  JOTR35147  Phacelia crenulata var. crenulata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3259 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  SEINET4681914  Phacelia crenulata var. minutiflora Chuck Hughes 2009-3-23 66 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice.; 0 219 Comment
  JOTR35475  Phacelia cryptantha Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 78 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  JEPS2376  Phacelia distans W. L. Jepson 1927-4-12 11672 Riverside Mecca Painted Canyon 76 Comment
  RSA426071  Phacelia distans E. Crow 1929-4-7 295 Riverside Southwest of Corona. Comment
  RSA426208  Phacelia distans N. C. Cooper 1945-5-24 1633 Riverside Big Oaks Canyon, Banning 1220 Comment
  RSA667994  Phacelia distans C. R. Annable 1995-3-15 2280 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  RSA778008  Phacelia distans Jim Andre 2011-2-9 15936 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  RSA28081  Phacelia minor I. L. Wiggins 1941-3-27 9707 Riverside 4 mi. north of Whitewater. Comment
  RSA550042  Phacelia minor Walter Wisura, A. King, L. Newcomb 1992-4-10 4665 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  UCR176913  Phacelia minor Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR97446  Phacelia minor A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19866 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SEINET3004982  Phacelia neglecta G. Rink, M. Baker 2011-4-1 10409 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  UC1719473  Phacelia parryi D. Atwood 1993-3-26 17672 Riverside 3 mi N of I-10 along Hwy 62 toMorongo Valley Comment
Read comments
Dec 18 2016
  JEPS1063  Phacelia pedicellata Marjorie D. Clary 1932-4-12 1612 Riverside 8 mi w Coachella; Colorado Desert, Devil's Canyon 182 Comment
  UC666586  Phacelia pedicellata Harlan Lewis and Carl Epling 1942-5-3 1601 Riverside Pines to Palms Hwy (CA 74) e Nightingale (at 3000 ft marker) 914 Comment
  UCR98690  Phacelia ramosissima S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  JEPS1349  Phacelia ramosissima var. latifolia W. L. Jepson 1903-8-5 2269 Riverside near meadow on side hill near Strawberry Valley; San Jacinto Mt. 1737 Comment
  POM145512  Phalaris lemmonii J. B. Feudge 1927-4-12 1898 Riverside Temescal Canyon 351 Comment
  UCR162952  Phalaris lemmonii Fred M. Roberts, R. E. Riefner Jr. 2005-3-31 6139 Riverside Upper Salt Creek, W of Hemet, 200m east of Calif. Rd and 300m south of Stetson Rd, 1.8km WSW Ryan Field 456 Comment
  SD247291  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 611 Comment
  RSA72000  Phlox austromontana E. C. Jaeger 1922-6-29 s.n. Riverside Lower Tahquitz Valley 2043 Comment
  UCR21188  Phlox austromontana A. C. Sanders 1980-5-1 1381 Riverside San Jacinto Mountains, Garner Valley area, on a road cut in chaparral 3.4 mi NE of Kenworthy Ranger Station on the Morris Ranch Rd 1646 Comment
  UCSB26802  Phlox austromontana Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns 2377 Comment
  UCR84882  Pholistoma membranaceum A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16119 Riverside Coachella Valley, NW end of valley, wash east of Hwy 62 and south of Indian Ave, 0.45 mi south of Indian on Worsley Rd 500 Comment
  JEPS121555  Phoradendron californicum Adam C. Schneider with Will Freyman 2014-2-16 398 Riverside Upper Box Canyon Road. Comment
  RSA132729  Phoradendron californicum Del Wiens 1953-12-5 870 Riverside Near junction of road from south end of Joshua Tree Nat. Mon. and U.S. 60 and 70. 152 Comment
  RSA420771  Phoradendron californicum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA592672  Phoradendron densum Scott D. White, D. Haselfeld 1996-7-2 4264 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
  UCR137563  Phoradendron densum A. C. Sanders 2004-5-5 27762 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
  SBBG121978  Phoradendron leucarpum subsp. macrophyllum S. D. White, A. Carey 2004-4-16 10156 Riverside Indian Crk and adjacent slopes 549 Comment
  SD232812  Phoradendron leucarpum subsp. tomentosum Scott D. White 1996-8-1 4444 Riverside Idyllwild Area: North of Strawberry Valley, between Bear Trap Cyn and Lily Creek. Comment
  JOTR32391  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2495 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA296146  Phoradendron villosum Barry A. Prigge 1980-8-18 3973 Riverside San Bernardino Mountains, Whitewater Canyon; 3.5 miles upstream from trout farm. 991 Comment
  UCR138810  Phoradendron villosum D. L. Banks, J. Moreno 1997-2-5 1254 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UCR96262  Phoradendron villosum Scott D. White 1996-8-1 4444 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  SEINET3162388  Physalis crassifolia L. S. Rose 1935-12-27 35709 Riverside 8 mi E of Garnet 457 Comment
  UCR112113  Physalis crassifolia A. C. Sanders, T. B. Salvato 2000-4-21 23345 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  CAS-BOT-BC60808  Physaria tenella Edmund C. Jaeger 1922-5-7 s.n. Riverside Chuckawalla Bench. Comment
  SD90372  Pilularia americana Robert F. Thorne, Earl Lathrop 1969-5-12 37919 Riverside Santa Rosa Plateau, south end of Mesa de Colorado, Rancho California, north margin of marsh 625 Comment
  UC1265379  Pilularia americana Robert F. Thorne and Earl Lathrop 1969-5-12 37919 Riverside s end Mesa de Colorado (Rancho California); Santa Rosa Plateau 624 Comment
  SD28099  Pinus contorta subsp. murrayana Carl B. Wolf 1932-8-5 Riverside San Jacinto Mountains, summit of San Jacinto Peak 3295 Comment
  HSC86142  Pinus coulteri B. Freeman 1969-3-24 690324 Riverside James Reserve, ca. 20 m W of Indian Creek. 1646 Comment
  SEINET209862  Pinus monophylla R. M. Lanner 2093 Riverside San Bernardino National Forest ; San Jacinto Mountains Pinyon Flat Campground 1219 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
  RSA1790  Pinus quadrifolia C. B. Wolf 1931-5-11 1947 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  UC1134100  Pinus quadrifolia R. St. John 1931-1-14 172 Riverside Burnt Valley San Jacinto Quad., Burnt Valley 1371 Comment
  UCD134974  Pinus quadrifolia R. N. Raynor 1938-6-30 s.n. Riverside Near Anza, San Jacinto Mts. Comment
  UCR265847  Piptatherum miliaceum Mitch Provance 2013-4-8 413- 16 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA359519  Plagiobothrys acanthocarpus Steve Boyd 1986-3-9 1380 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  OBI53725  Plagiobothrys canescens Bill Wagner 1988-3-9 s.n. Riverside At Benton Rd and San Diego aqueduct, 1/2 mi E of Winchester Rd, NE of Murrieta 411 Comment
  RSA736297  Plagiobothrys canescens Scott D. White, Jamie Minor 2008-3-13 11768 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  UCR174377  Plagiobothrys canescens A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32625 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR167437  Plagiobothrys collinus John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR239790  Plagiobothrys collinus O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; hills above (south of) UCR Botanical Garden 436 Comment
  RSA715307  Plagiobothrys collinus var. californicus John Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta; S of the Hogbacks. N of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W. 366 Comment
  UCR134643  Plagiobothrys collinus var. californicus Mitch Provance 1998-4-10 410 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  SD39241  Plagiobothrys collinus var. fulvescens Edith A. Purer 1935-4-21 6446 A Riverside Pine Valley Comment
  SBBG92112  Plagiobothrys fulvus J. Hirshberg 1989-4-4 Riverside Santa Rosa Plateau, S of town of Murrieta, SW of Mesa de Burro 609 Comment
  RSA0106709  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  UCR41823  Plagiobothrys jonesii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6063 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  UCR85638  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  SBBG94832  Plagiobothrys nothofulvus E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of the Pechanga Indian Reservation 365 Comment
  UCR121203  Plagiobothrys nothofulvus D. E. Bramlet 1990-4-26 1974 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  UCR116992  Plagiobothrys tenellus A. C. Sanders, T. B. Salvato 2001-5-3 24071 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA286790  Plagiobothrys undulatus R. F. Thorne 1974-5-23 44681 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
  UCR280604  Plantago elongata R. E. Riefner Jr. 2017-4-2 17- 144 Riverside city of Hemet, west Hemet, south of west Florida Ave. (SR74), southwest c. 0.35 mi from Lyn Ave. and California Ave. 482 Comment
  UCR225437  Plantago erecta A. C. Sanders 2011-3-29 38834 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  OBI37478  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside Along rd edge, 5 mi W of Rancho Calif at jctn of Rancho California Rd and De Luz Rd 427 Comment
  SDSU13008  Plantago lanceolata Michael G. Simpson 1999-10-27 2052 Riverside Santa Margarita Ecological Reserve, San Diego State University. Along path from river to Southside facilities. 152 Comment
  POM11519  Plantago major P. A. Munz 1922-7-2 5944 Riverside Santa Rosa, Santa Rosa Mtns. [=Old Santa Rosa Village, ca 1 mi SSE of Santa Rosa Mtn] 1982 Comment
  JEPS22327  Plantago ovata Peter H. Raven 1958-2-15 11563 Riverside Corn Springs Chuckwalla Mountains Comment
  UC494677  Plantago ovata Philip A. Munz 1932-3-14 12001 Riverside Coachella Valley, Deep Canyon 91 Comment
  HSC87311  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2104 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA709893  Plantago ovata var. fastigiata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4594 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SD137692  Plantago patagonica Darin L. Banks, Steve Boyd 1995-5-3 293 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR208855  Platanus racemosa C. B. Wolf 1932-5-24 3647 Riverside Peninsular Range; San Jacinto Mtns., Snow Creek Canyon, 1/2 mile below the fish hatchery, north base of San Jacinto Mtn. 549 Comment
  CSUSB1044  Platystemon californicus Ronald H. Sauer 1965-4-28 Riverside Box Springs Mountains Box Springs Mountains. 4.2 miles from beginning of dirt road to radio towers. 487 Comment
  JEPS51598  Platystemon californicus W. L. Jepson 1901-5-27 1470 Riverside Cahuilla Valley Comment
  RSA91979  Pleuraphis rigida F. W. Peirson 1921-3-22 2369 Riverside Murray Canyon, near Palm Springs 396 Comment
  CAS-BOT-BC326638  Pleurocoronis pluriseta Munz; Street; Williams 1919-3-25 2329 Riverside Palm Canyon, Palm Springs, Colorado Desert Comment
  POM146224  Pluchea odorata E. C. Jaeger 1927-11-26 s.n. Riverside n end of Salton Sea, in wet soil at Dos Palmos. Comment
  UCR189287  Pluchea odorata Fred M. Roberts, S. Leatherman 2007-9-19 6586 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CLARK-A1528-283  Pluchea sericea John C. Roos, Lucille Roos 1951-10-24 5340 Riverside Pedley 228 Comment
  RSA586922  Poa annua D. L. Banks, Steve Boyd 1995-5-3 257 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA747968  Poa bulbosa Justin M. Wood 2009-5-11 686 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UCR193893  Poa howellii A. C. Sanders, Mitch Provance 2008-7-11 35796 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  CLARK-A1528-4838  Poa scabrella John C. Roos 1942-5-1 1158 Riverside Dry Morongo Canyon 609 Comment
  CAS-BOT-BC237698  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-21 310 Riverside Near Observation Point on Highway 74 701 Comment
  CAS-BOT-BC167528  Polygala acanthoclada Annie M. Alexander; Louise Kellogg 1941-5-18 2195 Riverside 1.5 miles north of Cottonwood Spring, Eagle Mountains 975 Comment
  RSA522722  Polygonum lapathifolium Steve Boyd, Tim S. Ross 1989-8-28 3813 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR110383  Polygonum lapathifolium A. C. Sanders, Mitch Provance 1999-9-26 23110 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR13972  Polygonum lapathifolium George K. Helmkamp 1973-10-3 s.n. Riverside San Jacinto Mtns., Strawberry Creek, near Idyllwild Comment
  UCR277727  Polygonum lapathifolium Mitch Provance 2012-10-15 1012- 03 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  UCR113610  Polygonum punctatum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23718 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  UCR241481  Polypodium californicum Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 231 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR96808  Polypodium californicum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19763 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA6648  Populus X parryi Carl B. Wolf 1932-5-25 3661 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  CAS-BOT-BC102583  Populus fremontii Carl B. Wolf 1932-4-28 3084 Riverside Colorado Desert, along the Colorado River near the Blythe Bridge 91 Comment
  CAS-BOT-BC102587  Populus fremontii W. R. Dudley 1903-12-25 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC334463  Populus fremontii A. C. Sanders; Timothy W. Chumley 2013-3-28 40702 Riverside Peninsular Range: Alberhill, between I-15 Fwy and Temescal Canyon Rd., W of Lake St. 378 Comment
  CLARK-A1528-835  Populus fremontii Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  POM360762  Populus fremontii H. de Forest 1933-4-17 s.n. Riverside Chino Canyon, Colorado Desert. Comment
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Mar 28 2011
  RSA573439  Populus fremontii Steve D. Boyd, D. L. Banks 1994-9-8 8336 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland National Forest, head of shallow draw on flats northeast of the upper end of Tenaja Canyon, south of Wildomar Truck Trail (Tenaja Road, 7S01). 585 Comment
  SD229275  Populus fremontii Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 893 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  SEINET10932112  Populus fremontii Billy Joe Cox 1975-4-23 Cox 4156 Riverside Palo verde, 1-3 km w, ca 32 m s of blythe. Creosote desert scrub; sandy and gravelly entisols. 100 Comment
  JEPS64527  Populus fremontii subsp. fremontii S. B. Parish 1913-3-28 8471 Riverside Mecca Flats , Mecca Flats (Salton Basin) -60 Comment
  SD137856  Porophyllum gracile Darin L. Banks, Steve Boyd 1995-5-9 361 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, Dripping Springs,West Woodchuck Cgd. 790 Comment
  CAS-BOT-BC267207  Potamogeton foliosus Thorne; P. A. Munz; E. Lathrop 1968-5-8 37593 Riverside Santa Rosa Plateau: near roadside, Rancho California 609 Comment
  SD68964  Potamogeton foliosus Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37593 Riverside Santa Rosa Plateau: small stream near roadside, Rancho California 609 Comment
  POM13235  Potamogeton pusillus Philip A. Munz, J. M. Johnston 1922-5-21 5523 Riverside Hemet Valley, San Jacinto Mts.; Garner Ranch 1387 Comment
  RSA761864  Potentilla glandulosa Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 698 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  HSC24915  Potentilla gracilis var. fastigiata D. H. Wilken 1965-6-29 371 Riverside Strawberry Meadows, near Idyllwild 1555 Comment
  UC415580 Image available Potentilla gracilis var. fastigiata H. E. Hasse 1892-7-1 5696 Riverside Strawberry Valley; ; Strawberry Valley, San Diego Co. [formerly] Comment
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Dec 11 2006
  CAS-BOT-BC216519  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 miles E of Blythe, Palo Verde Valley 76 Comment
  UC519873  Prunus fasciculata N. Dunn, A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  CAS-BOT-BC151117  Prunus fremontii Nancy Ryan Zabriskie; Walter Zabriskie 1969-4-2 186 Riverside Andreas Canyon near Palm Springs, trail toward Eagle Peak 670 Comment
  SBBG3057  Prunus fremontii M. Van Rensselaer 1937-6-23 Riverside Palms to Pines Hwy Comment
  CAS-BOT-BC151113  Prunus fremontii H. E. McMinn 1925-7-1 1516 Riverside Palm Spring Canyon Comment
  UC468790  Pseudognaphalium stramineum E. E. Schellenger 1906-4-3 Riverside Santa Marie Mts. Colorado Desert, Santa Marie Mts. Comment
  JOTR01284  Psilostrophe cooperi Cole, James E. 1941-5-21 752 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 914 Comment
  CAS-BOT-BC346354  Psorothamnus Annie M. Alexander; Louise Kellogg 1941-5-22 2217 Riverside 1 1/2 mi. N. Cottonwood Spring, Eagle Mountains 975 Comment
  RSA698039  Psorothamnus arborescens W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  SD37833  Psorothamnus arborescens var. simplicifolius Jack Rempel 1931-4-11 Riverside San Jacinto Valley Comment
  CAS-BOT-BC353612  Psorothamnus emoryi S. B. Parish 1896-4-18 4112 Riverside Palm Springs, Colorado Desert Comment
  RSA799244  Psorothamnus emoryi Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 735 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UC863688  Psorothamnus emoryi Lewis S. Rose 1936-12-18 36789 Riverside Palm Springs 138 Comment
  SD27953  Psorothamnus emoryi var. emoryi Carl B. Wolf 1932-4-26 2967 Riverside Colorado Desert 3 miles east of Mecca on blythe road Comment
  HSC25801  Psorothamnus schottii Richard Spjut 1972-3-13 2255 Riverside Colorado Desert: Along Hwy. 74 at the E base of the San Jacinto Mts., 5 mi. W of Palm Desert 610 Comment
  POM128978  Psorothamnus schottii E. E. Schellenger 12 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  UC65758  Psorothamnus schottii E. E. Schellenger 1904-10-15 38 Riverside two mi n Palm Springs (Colorado Desert); , n of Palm Springs 2 Comment
  UC667343  Psorothamnus schottii Annie M. Alexander and Louise Kellogg 1941-5-12 2161 Riverside road to Black Eagle Mine , road to Black Eagle Mine (Eagle Mountains) 777 Comment
  UCR256706  Psorothamnus schottii Duncan S. Bell 2012-3-8 3148 Riverside Mojave Desert, Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  CAS-BOT-BC340964  Psorothamnus spinosus Roxana S. Ferris 1918-6-14 973 Riverside Between Palm Springs and Indian Wells Comment
  RSA498754  Psorothamnus spinosus Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  POM11504  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-7 6035 Riverside San Jacinto Mountains: Tamarack Valley 2805 Comment
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Sep 10 2009
  RSA263723  Pteridium aquilinum var. pubescens R. Weatherby 1950-5-18 2968 Riverside Hagador 640 Comment
  UCR121301  Pterostegia drymarioides A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25010 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UCR91519  Pterostegia drymarioides Scott D. White 1995-4-5 2749 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  CAS-BOT-BC156399  Purshia tridentata var. glandulosa Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  UCR277744  Quercus Mitch Provance 2012-9-11 912- 04 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  SD136833  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, along San Mateo Trail between north branch of Tenaja Trail & Fisherman's Camp, on mesic north-facing slope 427 Comment
  SD254631  Quercus berberidifolia Mitch Provance 2012-1-25 17375 Riverside San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and Hgighway 60. 654 Comment
  RSA769026  Quercus chrysolepis E. W. Lathrop 1968-5-22 6914 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC86597  Quercus cornelius-mulleri R. S. Woglum 1937-4-1 297 Riverside Palm Springs Comment
  JOTR36417  Quercus cornelius-mulleri La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3363 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA520078  Quercus cornelius-mulleri Steve Boyd, D. Bramlet 1988-10-8 2875 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA763064  Quercus dumosa E. W. Lathrop 1969-6-5 7092 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA768123  Quercus dumosa E. W. Lathrop 1969-6-5 7093 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SD255762  Quercus engelmannii Cecile Shohet 2015-6-24 Riverside Beaumont, NW of Plantation on the Lake mobile home park, south of I-10, east of Cherry Valley Blvd., west of Plantation Dr. under powerlines. 728 Comment
  UCR280969  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 32 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  RSA5255  Quercus kelloggii Carl B. Wolf 1932-8-6 3992 Riverside Strawberry Valley, at base of Devil's slide Trail to Tahquitz Valley. 1707 Comment
  UC219581  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCD46614  Quercus kelloggii Maunsell Van Rensselaer 1937-6-23 Riverside Idyllwild Inn, San Jacinto Mountains, Riverside County, California. Comment
  POM262901  Quercus palmeri J. C. Roos 1941-5-9 120 Riverside Near summit of Pines to Palms Road Comment
  UCR252761  Quercus suber Karyn L. Drennen 2010-12-6 017 Riverside Santa Ana Mountains, Cleveland National Forest Road (Tenaja Truck Trail) east of turn off to unnamed dirt road, 0.2 km east of entrance to Tenaja Trailhead parking lot 612 Comment
  UCR241247  Quercus wislizeni T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1211 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  CAS-BOT-BC362624  Rafinesquia neomexicana F. H. Billings 1926-2-28 4 Riverside Near 29 Palms, Colorado Desert Comment
  RSA3968  Rafinesquia neomexicana C. B. Wolf 1932-4-29 3107 Riverside Eastern Colorado Desert, 9 miles south of Browns Well, on the Blythe-Rice Road 244 Comment
  RSA650948  Rafinesquia neomexicana Marion P. Harthill 1973-2-17 1573 Riverside Snow Creek, Palm Springs 366 Comment
  RSA747731  Rafinesquia neomexicana Scott D. White, Justin M. Wood 2009-3-24 12567 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
  RSA799239  Rafinesquia neomexicana Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 746 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  SEINET197743  Rafinesquia neomexicana Evert I. Schlinger 1952-3-28 30 Riverside Whitewater. 152 Comment
  UC1478680  Rafinesquia neomexicana Barry Prigge with L. Martinez 1978-3-23 2439 Riverside 1.2 mi e Sky Valley (near Dillon X Skyridge Roads); nw Colorado Desert 335 Comment
  UC1618122  Ranunculus cymbalaria var. saximontanus Donald G. Nelson 1936-5-22 392 Riverside Pines to Palms Hwy, near base of Santa Rosa Mountains Santa Rosa Mountains Comment
  RSA0019609  Ranunculus eschscholtzii var. oxynotus Charlotte M. Wilder s.n. Riverside San Jacino Mts Summit. Comment
  UCSB2431  Raphanus sativus Kamb, Peter 1948-2-1 Riverside Valley in the Jurupa Mts. west of Colton, San Bernardino/Riverside County 304 Comment
  OBI8076  Rhamnus crocea David J. Keil, Malcolm McLeod 1977-3-26 12020 Riverside 9 mi E of jctn with i-15 along Calif 79 518 Comment
  UCR251706  Rhamnus crocea T. B. Salvato 2014-4-9 7834 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  POM122331  Rhamnus tomentella subsp. cuspidata Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  UC18583  Rhamnus tomentella subsp. tomentella H. M. Hall 1897-5-18 539 Riverside Cahuilla Comment
  UCR249822  Rhus aromatica T. B. Salvato, John Lovio 2013-3-19 7360 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA192296  Rhus ovata E. W. Lathrop 1966-3-2 6044 Riverside 10 miles NW of Murrieta, 1 mile W of Los Alamos Ranch, Cleveland National Forest. Comment
  RSA386388  Rhus ovata M. V. Hood 1945-3-30 s.n. Riverside Aguanga. 762 Comment
  RSA771757  Rhus ovata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4634 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR120945  Rhus ovata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24918 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  CAS-BOT-BC93061  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. Comment
  RSA698893  Ribes cereum J. R. Bruff 1934-7-5 s.n. Riverside [San Jacinto Mts.] 2439 Comment
  RSA594789  Ribes indecorum D. L. Banks, Dylan Hannon 1996-5-3 0985 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  RSA614518  Ribes indecorum A. C. Sanders 1994-1-30 14226 A Riverside Box Springs Mtns at the head of Two Trees Canyon. 686 Comment
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Apr 3 2011
  UCR101546  Ribes indecorum A. C. Sanders 1997-4-10 20327 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR138809  Ribes indecorum D. L. Banks, J. Moreno 1997-2-5 1253 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UCR47227  Ribes indecorum B. G. Pitzer, Jack Easton 1987-3-10 405 Riverside San Jacinto Mtns., Anza area, hills south of Thomas Mtn., c. 3 mi east of town of Anza on north side of Hwy 371 1341 Comment
  UCR51363  Ribes indecorum B. G. Pitzer, A. C. Sanders 1987-4-21 492 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  SJSU7833  Ribes malvaceum G. B. Youngberg 1956-3-31 241 Riverside Banning-Idyllwild Rd, Sna Jacinto Mts 1158 Comment
  RSA0022092  Ribes montigenum P. A. Munz 1922-7-7 6046 Riverside Summit of San Jacinto Peak. 3287 Comment
  POM12115  Ribes nevadense Mary F. Spencer 1921-6-1 706 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
  UC11633  Ribes nevadense H. M. Hall May 1899 Riverside Strawberry Valley San Jacinto Mountains Comment
  CAS-BOT-BC186240  Ribes roezlii var. roezlii Peter H. Raven 1962-5-18 17758 Riverside Road to Indian Hill Canyon 0.6 miles east of Santiago Peak, Santa Ana Mountains 1615 Comment
  RSA335001  Ricinus communis Steve Boyd 1985-7-30 1045 Riverside De Luz rd., 7.8 miles west of Rancho [California]. Roadside weed along Sandia Creek, infrequent. Comment
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Apr 16 2009
  RSA446204  Romneya coulteri Gale Sphon 1955-3-7 s.n. Riverside 3 miles east of Lake Elsinore. Comment
  CSUSB1439  Rorippa nasturtium-aquaticum D. Vander Ven 1968-5-1 S. N. Riverside Santa Ana River Santa Ana River, in water along the south bank of island just west of the railroad bridge near Freemont Street, Riverside; 35 feet from east end of island 213 Comment
  UCR59669  Rorippa palustris subsp. occidentalis Steve Boyd, L. Arnseth, T. S. Ross 1989-5-7 3553 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  CLARK-A1528-824  Rosa californica John C. Roos 1951-9-25 5261 Riverside Riverside Comment
  RSA720435  Rosa californica Naomi S. Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1698 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1616 Comment
  SD187470  Rosa californica Scott D. White, Angela Carey 2004-5-7 10334 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  RSA191440  Rumex conglomeratus E. W. Lathrop 1967-9-26 6627 Riverside 6 miles NW of Murrieta. Comment
  UCR91544  Rumex dentatus Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  CAS-BOT-BC433586  Rumex hymenosepalus A. C. Sanders; Pam MacKay; E. J. Lawlor; C. L. Sanders 2000-3-19 23319 Riverside Shipley-Skinner Reserve area: Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Dia Val. Reservoir, now filling. 488 Comment
  UCR100093  Rumex hymenosepalus R. G. Swinney 1967-2-11 358 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA589079  Rumex salicifolius var. denticulatus D. L. Banks, S. D. Boyd 1995-10-17 790 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  JEPS65654  Rupertia rigida Marjorie D. Clary 1932-7-4 993 Riverside road to Burnt Valley (Santa Rosa Mountains); Santa Rosa Mountains 1371 Comment
  UCR89544  Salazaria mexicana 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 1115 Comment
  CAS-BOT-BC103898  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  RSA342546  Salix exigua Robert F. Thorne 1980-4-16 54100 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UC498686  Salix exigua Mrs. H. P. Bracelin 1932-4-12 602 Riverside 4.8 km. n Arlington (4 mi w of Riverside, e side of bridge over Santa Ana R., on rd. to Pedley) 240 Comment
  UC506454  Salix exigua Carl Hedin and Joseph Ewan 1932-7-9 7676 Riverside Chico Creek near Prado (Rincon) below Corona Comment
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Dec 11 2011
  UCR92270  Salix exigua Scott D. White 1995-8-23 3571 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  POM2036  Salix gooddingii I. M. Johnston 1919-5-30 2016 Riverside Lake Elsinore. Comment
  UCR155939  Salix gooddingii John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  CAS-BOT-BC108104  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside In sandy alkali loam of overflow land back of Colorado River, about 800 m. from State Inspectoin Station, on way to Blythe Bridge. 90 Comment
  CLARK-A1528-4054  Salix hindsiana var. leucodendroides John C. Roos 1937-5-23 617 Riverside Riverside Comment
  RSA698836  Salix laevigata J. R. Bruff 1927-3-13 313 Riverside Thousand Palms Comment
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Apr 3 2011
  UC482398  Salix laevigata unknown 1932-6-5 924 Riverside Eagle Canyon Colorado Desert, Santa Rosa Mts, Eagle Canyon Comment
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Mar 11 2011
  RSA0035638  Salix lasiolepis Phil Elliott 1981-2-16 9 Riverside On Santa Rosa Road, 3.9 miles west of CA Hwy. 74. Comment
  UCR57115  Salix lucida subsp. lasiandra S. J. Myers 1989-7-14 s.n. Riverside Peninsular Range, 1.25 mi. west of confluence of Murrieta Creek and Santa Margarita River, c. 1.5 mi. SW of Temecula 255 Comment
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Aug 23 2013
  UC1178573  Salix lutea Peter Kamb 1949-5-8 1406 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  CDA21320  Salsola australis B. Villegas 2002-8-19 239 -3 Riverside South Coast Region; Temecula, Vaquero Dr. at Gallespy Ct. 335 Comment
  CAS-BOT-BC489623  Saltugilia latimeri A. C. Sanders 2006-5-13 32282 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 mi SE of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Rd in vicinity of water tank 487 Comment
  RSA469678  Saltugilia splendens E. C. Jaeger 1921-6-18 5457 Riverside San Jacinto Mountains: Caramba, Tahquitz Creek. 1829 Comment
  RSA411367  Salvia carduacea C. Epling, Joseph A. Ewan 1933-5-12 7600 Riverside Near Aberhill, Temescal Canyon. Comment
  UC1537559  Salvia carduacea Gordon H. True Jr. 1935-3-1 63 Riverside Mockingbird Canyon 457 Comment
  RSA180506  Salvia columbariae E. W. Lathrop 1960-5-27 5226 Riverside 6 miles west of Murrieta. Comment
  RSA314624  Salvia columbariae Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55414 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA586092  Salvia columbariae D. L. Banks, Steve D. Boyd 1995-4-5 133 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 610 Comment
  RSA67305  Salvia columbariae G. R. Campbell 1951-4-22 16053 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1372 Comment
  LA69703  Salvia eremostachya Elizabeth McClintock; 1940-5-26 sn Riverside Dos Palmos Canyon, off Pines to Palms Highway Comment
  UCLA69704  Salvia eremostachya K. Watkins and E. McClintock 1937-4-10 Riverside near road to Shumway (Palms to Pines highway) Comment
  UCR142874  Salvia eremostachya A. Lee Haines, L. C. Erickson 1937-4-10 s.n. Riverside Santa Rosa/San Jacinto Mtns., Palms-to-Pines Highway near road to Shumway Ranch 1098 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
  UCSB42124  Salvia greatae Roos, John 1958-3-29 Riverside slope in Salt Creek Wash; 3 miles N. of Coachella Canal; on E. base of Orocopia Mtns 304 Comment
  SEINET13947460 Image available Salvia greatae Jon M. Stewart 1986-1 86 -8 Riverside South fork of Hidden Spring Canyon, Mecca Hills. (T7S, R10E, SW1/4 of NE1/4 sec. 12) 1000 ft alt. 305 Comment
  JEPS62760  Salvia mellifera W. L. Jepson 1901-5-18 1262 Riverside hills e San Jacinto Valley (San Jacinto River); San Jacinto River Comment
  SBBG99475  Salvia mellifera W. L. Halvorson 1977-4-1 77 -224 Riverside 5 mi S of Temecula on Hwy S16 Comment
  UC63771  Salvia mellifera H. M. Hall May 1899 Riverside Reche Canyon Comment
  UCR120296  Salvia mellifera Mitch Provance 1998-2-13 16 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR91611  Salvia mellifera D. L. Banks, Steve Boyd 1995-3-30 0129 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  SD52967  Salvia mohavensis jPeter H. Raven, David Verity 1960-6-5 15497 Riverside Salton View, Joshua Tree National Monument. Comment
  CAS-BOT-BC224852  Salvia pachyphylla H. M. Hall 1901-6-1 2160 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert 1402 Comment
  RSA727072  Salvia pachyphylla Jay Walker, R. C. Walker 3093 Riverside Santa Rosa Mtn., 7.3 miles up Santa Rosa Mtn. truck trail from jct with hwy 74. Comment
  POM12930  Salvia pachyphylla subsp. pachyphylla P. A. Munz 1922-6-25 5813 Riverside Santa Rosa Mountains; Road to Santa Rosa. 1524 Comment
  CLARK-A1528-2411  Sambucus caerulea John C. Roos, Lucille Roos 1951-10-24 5341 Riverside Pedley 243 Comment
  RSA556504  Sambucus mexicana Julie Greene 1993-4-3 1083 Riverside [Unspecified] 440 Comment
  RSA562479  Sambucus mexicana Steve Boyd, Timothy S. Ross 1992-5-5 7257 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  RSA180288  Samolus parviflorus E. W. Lathrop 1964-9-13 5409 Riverside 8 miles west of Murrieta Comment
  UCR120962  Sanicula arguta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23889 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  RSA747959  Sanicula bipinnatifida Justin M. Wood 2009-5-11 708 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  SEINET13945128 Image available Sanicula bipinnatifida A. C. Sanders, S. Hagopian 1981-1 2151 Riverside Hills on the south side of Pauba Valley, within 1 mile of the Hwy 71 bridge over the Temecula River. Elev 1200 ft 366 Comment
  RSA613136  Sanicula crassicaulis D. L. Banks 1997-3-6 1406 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  RSA748816  Sanicula crassicaulis G. Gust, L. Nye 2005-3-12 558 Riverside Cleveland National Forest. Hwy 74 W of lower San Juan Picnic Area at pullout W side of Santa Ana Mtn. Range. 495 Comment
  CLARK-A1528-1453  Sanicula tuberosa John C. Roos 1950-4-22 4755 Riverside Reche Canyon 761 Comment
  SEINET244780  Sarcostemma cynanchoides A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-7 24174 Riverside Perris-Aguanga Basin; S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi E of State St., between Silver Dew Dr. and Morse Girard St., Slopes and wash below the mouth of Avery Canyon 503 Comment
  JEPS27436  Sarcostemma cynanchoides subsp. hartwegii W. L. Jepson 1901-5-22 1393 a Riverside Palm Canyon of Mt. San Jacinto; , Palm Canyon Comment
  UCR146731  Sarcostemma cynanchoides subsp. hartwegii June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR16812  Satureja chandleri James Maragos 1965-4-28 s.n. Riverside Santa Ana Mtns., San Mateo Canyon [Tenaja] Road, one mi. from Murrieta 335 Comment
  SD224815  Schinus molle Scott D. White 1996-2-18 3810 Riverside Double Butte, NW of Winchester. SE-facing slope of W butte and alluvial soil at base. USGS 7.5 Winchester topo. 456 Comment
  RSA645545  Schinus polygamus A. C. Sanders, G. Helmkamp 1995-12-5 17930 Riverside Riverside: abandoned orange orchard on Spruce St. at Canyon Crest Dr. 300 Comment
  JOTR35355  Schismus barbatus Andre, Jim 2012-4-11 20814 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA778238  Schismus barbatus Duncan S. Bell 2009-3-8 43 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SBBG18233  Schismus barbatus M. A. Piehl 1963-6-1 63526 Riverside E edge of Banning Comment
  CAS-BOT-BC111577  Schoenoplectus americanus Ivan Murray Johnston 1917-4-4 1037 Riverside Frequent in damp sand along creek, Palm Canyon 274 Comment
  RSA365982  Scirpus acutus var. occidentalis Lester H. Cushman 1932-2-8 s.n. Riverside Near Pedley, along the Santa Ana River. Comment
  UCR60253  Scirpus cernuus var. californicus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3638 Riverside Butterfield Valley, Vail Lake area, Temecula Creek, SE of the lake, just north of Hwy 79 488 Comment
  JEPS11409  Scrophularia californica subsp. floribunda W. L. Jepson May 17 1901-Jun 1 1901 1216 Riverside Riverside Comment
  UCR35329  Scutellaria bolanderi subsp. austromontana L. B. Ziegler 1967-8-1 207 Riverside Peninsular Range; San Jacinto Mtns., Upper Herkey Creek area 1524 Comment
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Mar 18 2007
  POM49560  Scutellaria siphocampyloides P. A. Munz, I. M. Johnston 1924-7-29 8838 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UC25773  Scutellaria siphocampyloides H. M. Hall Aug. 1896 334 Riverside San Jacinto Mountains 1828 Comment
  SDSU14015  Scutellaria tuberosa Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2100 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UCR23621  Scutellaria tuberosa John C. Roos 1950-4-15 4734 Riverside In the hills NE of the summit of Reche Canyon 546 Comment
  UCD92559  Secale cereale R. N. Raynor 1938-6-20 s.n. Riverside Herky Creek. Comment
  SD135197  Sedum niveum Craig Reiser, Dylan Hannon 1993-5-31 Riverside Saddle between Santa Rosa Peak and Toro Peak Comment
  CAS-BOT-BC323971  Senecio flaccidus var. douglasii Annie M. Alexander; Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains. 883 Comment
  JOTR31061  Senecio flaccidus var. douglasii La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2044 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  UC53929  Senecio flaccidus var. douglasii E. A. Zumbro Oct 1902 162 Riverside Comment
  UCR3835  Senecio flaccidus var. douglasii John Minnich 1964-6-5 64-6-5- 01 Riverside Santa Ana Mtns, Hwy 74 610 Comment
  JOTR35075  Senecio mohavensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3527 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  OBI8142  Senecio mohavensis David J. Keil, Malcolm McLeod, Dirk Walters 1977-4-16 12075 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
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Apr 27 2013
  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
  SBBG55575  Senecio mohavensis D. Keil, M. McLeod, D. Walters 1977-3-28 12075 Riverside Pinto Basin Rd, 11 mi S of northern park boundary Comment
  SD143525  Senecio vulgaris W. L. Halvorson 1977-3-13 77 173 Riverside Rolling hills near Temecula Comment
  UCR126433  Sesuvium verrucosum T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 45 Riverside Coachella Valley, 50th St. c. 1 mi west of Filmore, 1.5 mi east of town of Coachella. -24 Comment
  POM313134  Setaria adhaerens Malcolm A. Nobs, S. Galen Smith 1948-9-3 492 Riverside Citrus grove, 2 miles N of Indio. Comment
  POM282905  Sidalcea malviflora Lyman Benson 1932-3-26 3182 Riverside Summit Temecula Grade. 610 Comment
  RSA614623  Sidalcea malviflora subsp. sparsifolia D. L. Banks 1997-3-29 1573 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SEINET7048196  Sidalcea sparsifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33705 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  SBBG62401  Sidotheca trilobata E. Rockwell 1920-7-4 887 Riverside Hemet Grade 914 Comment
  SEINET4176382  Sidotheca trilobata J. L. Reveal, B. J. Ertter 1976-6-30 4567 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4 miles south of California Highway 74 1737 Comment
  RSA525341  Silene antirrhina Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4440 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  RSA612787  Silene gallica D. L. Banks, Victor Steinmann 1997-3-13 1415 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  CLARK-A1528-2466  Silene laciniata John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  RSA619574  Silene laciniata subsp. major D. L. Banks 1997-5-5 2009 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., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  CAS-BOT-BC389583  Silene parishii Carl B. Wolf 1932-8-5 3981 Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  CAS-BOT-BC175066  Silene verecunda H. M. Hall 1901-7-1 2453 Riverside In open forests of [Tauquitz] Tahquitz. San Jacinto Mountains 2133 Comment
  POM12078  Silene verecunda subsp. platyota Mary F. Spencer 1921-7-9 1607 Riverside Tahquitz trail, Idyllwild. San Jacinto Mountains. 1829 Comment
  UC1178605  Silene verecunda subsp. platyota Peter Kamb 1948-7-3 1150 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  UCR225163  Silene verecunda subsp. platyota Steve Boyd, Gary Wallace 2005-7-30 11641 B Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  SBBG25812  Simmondsia chinensis M. Van Rensselaer 1937-6-23 Riverside Palms to Pines Hwy Comment
  RSA0043327  Sisymbrium John F. Emmel 1991-5-22 1174 Riverside San Jacinto Mountains; side canyon of South Fork San Jacinto River, 1.3 air miles south of Halfway Spring (ca. 0.5 air mile southeast of Toll Road Canyon). 792 Comment
  SD137827  Sisymbrium altissimum Darin L. Banks 1995-4-11 163 Riverside Agua Tibia Mountains Watershed; North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the Dripping Springs Trail 760 Comment
  UC856977  Sisymbrium altissimum C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-4-15 4741 Riverside Gavilan Peak 600 Comment
  SBBG103703  Sisymbrium erysimoides A. C. Sanders 1986-10-28 6965 Riverside NE corner of Big Springs Rd and Watkins Drive, just E of UCR Campus Comment
  UCR72351  Sisymbrium erysimoides A. C. Sanders, O. F. Clarke, M. Humboldt 1992-1-18 12009 Riverside Riverside, Victoria Avene, near Jefferson Street 274 Comment
  UCR245912  Sisymbrium irio Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3954 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR41353  Sisymbrium irio N. M. Fellows, A. C. Sanders 1985-4-9 127 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
  RSA678344  Sisymbrium orientale Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10485 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
  UCR216231  Sisyrinchium bellum Mike Bell 2008-4-27 011 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 538 Comment