Search Results — 2000 specimen records retrieved (1900 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
  UCD134183  Abies concolor Frank C. Vasek; K. Neisses 1979-7-26 790726 -9 Riverside Santa Rosa Mountains; Stump Spring Campground. Comment
  SEINET9056158 Image available Abies concolor T. Reeves 1978-7-24 6991 Riverside San Jacinto Mts. Black Canyon (North Fork San Jacinto River) at crossing with Cal Hwy 243 and ca. 1 mi upstream. 1676 Comment
  JEPS61238  Abronia villosa Mary Beal 1939-10-25 707 Riverside Between Coachella Palm Springs; Mojave Desert Comment
  RSA782198  Abronia villosa Duncan S. Bell 2011-10-22 2985 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SBBG1868  Abronia villosa K. K. Muller 1958-3-22 918 Riverside Hwy 60, 5.5 mi E of Desert Center Comment
  SD122379  Abronia villosa Duffie Clemons, Erikl Jonsson 1988-2-13 1935 Riverside Ca. 3 miles north of I-10 along Washington St. southwest of Indio Hills. Coachella Valley. Comment
  SEINET893717  Abronia villosa Norman C. Cooper 1944-1 1104 Riverside Cabazon. 457 Comment
  UC1136567  Abronia villosa H. S. Yates 1937-6-27 6719 Riverside s end of Hemet Valley; San Jacinto Comment
  UC724233  Abronia villosa Aven and Ruth Nelson 1939-3-22 3216 Riverside s Indio (The 100 Palms resort, Highway 99) Comment
  POM728  Abronia villosa var. aurita P. A. Munz 1918-4-27 2131 Riverside Temescal Canyon. Comment
  RSA784962  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3226 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  RSA747723  Abronia villosa var. villosa Scott D. White, Justin M. Wood 2009-3-24 12575 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
  PASA2705  Acacia greggii Stason 1930-3-30 Riverside Painted Canyon Comment
  POM41109  Acamptopappus sphaerocephalus var. sphaerocephalus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA151103  Acamptopappus sphaerocephalus var. sphaerocephalus P. H. Raven 1962-4-7 17112 Riverside Whitewater Wash 1.5 miles north of U.S. Highway 70--99. Comment
  UCR3848  Acer negundo Frank C. Vasek 1964-7-26 640726- 01 Riverside San Jacinto Mtns., 2 mi. north of Kenworthy Ranger Station Comment
  RSA761867  Achillea millefolium Peter Guiden, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 82 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1131564  Achnatherum hymenoides H. S. Yates 1937-3-23 6414 Riverside near White Water; San Jacinto Quadrangle Comment
  UC817841  Achnatherum hymenoides Ivan Johnston Apr 4 1917-Apr 6 1917 1098 Riverside Whitewater Colorado Desert (in sands about station) Comment
Read comments
Feb 3 2013
  UCD50378  Achnatherum hymenoides F. W. Peirson 1921-3-24 4322 Riverside White Water, Colorado Desert Comment
  UCD50442  Achnatherum hymenoides F. M. Reed 1907-4-1 2916 Riverside Palm Springs. Comment
Read comments
May 1 2011
  SEINET260232 Image available Achnatherum parishii subsp. parishii M. Curto, LS Allen 1990-6-18 663 Riverside Santa Rosa Mt NW slope Santa Rosa Mt Rd (SBNF 7S02) ca 5 km W of Santa Rosa Springs Campground 1830 Comment
  POM1073  Achnatherum speciosum H. M. Hall 1905-5-10 6004 Riverside Cottomwood Pass. 610 Comment
  UC69342  Achnatherum speciosum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1896 Riverside Coyote Canyon Santa Rosa Mt. 1676 Comment
  CAS-BOT-BC384683  Achyronychia cooperi Cecil Hart 1926-3-1 s.n. Riverside Between Whitewater & Indio Comment
  CHSC210  Achyronychia cooperi E. Thomas 1940-3-3 Riverside Along shore of Salton Sea. Comment
  UCR108719  Achyronychia cooperi Scott D. White, Pam DeVries 1998-2-9 6080 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  OBI29880  Acmispon rigidus Melissa Luckow, Rhonda Riggins 1982-4-15 821 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW jctn Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  SBBG25096  Acmispon rigidus D. Myrick 1966-4-3 1346 Riverside Hidden Valley, Joshua Tree Nat Monument Comment
Read comments
Dec 14 2016
  UCR58848  Acourtia microcephala Steve Boyd, T. Ross, L. Arnseth 1989-6-4 3625 Riverside Butterfield Valley, Vail Lake area, just south of junction of Hwy 79 and road to the marina 460 Comment
  SBBG65794  Adenophyllum porophylloides Anstruther Davidson, S. B. Parish 1898-1 Riverside Palm Springs 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
  UCSB2738  Adenostoma sparsifolium Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts, 1524 Comment
  UCR95456  Agave americana D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1120 Riverside Agua Tibia Mountains, University of Calif. - Emerson Oaks Reserve. NW foothills of Dorland Mtn, S end of Los Caballos Road, c. 20 m inside the reserve boundary gate & 100 m east of the main road at the edge of an open field & the native chaparral 448 Comment
  SEINET5641186  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  UC29361  Agoseris heterophylla var. heterophylla H. M. Hall 1901-6-1 2038 Riverside meadows of the s side San Jacinto Mountains 1341 Comment
  UCR34897  Agoseris retrorsa L. B. Ziegler 1969-6-3 371 Riverside San Jacinto Mtns, Thomas Mtn. 1835 Comment
  CAS-BOT-BC139141  Agrostis oregonensis Ralph Hoffmann 1929-9-5 s.n. Riverside Mount San Jacinto. Tahquitz Valley. 2438 Comment
  UCR27005  Agrostis pallens E. W. Lathrop 1966-5-29 6378 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  RSA129200  Agrostis stolonifera H. S. Yates 1936-8-29 6374 Riverside Idlewild [Idyllwild]. 1677 Comment
  UCR233943  Allionia incarnata Duncan S. Bell 2011-10-22 2996 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  CAS-BOT-BC464447  Allium burlewii Edmund C. Jaeger 1922-6-21 s.n. Riverside Caramba, Tacquitz creek,San Jacinto Mts. 1828 Comment
  JEPS47607  Allium cratericola Frank W. Peirson 1922-5-21 3069 Riverside small side canyon, on e side of Hemet Valley San Jacinto Mts., Hemet Valley 1371 Comment
  UC843356  Allium haematochiton I. W. Clokey 1935-4-18 6555 Riverside Gavilan Peak 600 Comment
  UC154668  Allium marvinii Rensselaer J. Smith May 300 Riverside Beaumont Hills Comment
Read comments
Apr 2 2011
  OBI43236  Allium munzii S. J. Bouscaren 1986-1 Riverside Comment
  RSA543597  Allium munzii Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6129 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. N-facing slope of low hill. 488 Comment
  SEINET8467245 Image available Allium peninsulare J. C. Roos 1948-5-22 3865 Riverside In a canyon SE of the summit of Reche Canyon 732 Comment
  RSA367126  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet. 640 Comment
  CDA7116  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside Yard of residence at 5081 Magnolia Ave, corner of Chapman Place, Riverside. Comment
  UCR125761  Allium triquetrum A. C. Sanders, T. B. Salvato 2003-4-3 25830 Riverside San Bernardino Valley/Upper Santa Ana River, Riverside, UCR campus, between East Campus Drve and Parking Lot 10 335 Comment
  RSA19172  Allophyllum glutinosum P. A. Munz 1923-6-14 7115 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  UC718493  Allophyllum glutinosum P. C. Everett 1935-6-17 7155 Riverside Coldwater Canyon Trail to Santiago Pk. (1 1/2 mi. above Glen Ivy Resort); Santa Ana Mts. 563 Comment
  CAS-BOT-BC170129  Alnus rhombifolia Lewis S. Rose 1938-2-1 38003 Riverside Whitewater 213 Comment
  POM123325  Alnus rhombifolia Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UC1532831  Alopecurus saccatus Robert F. Thorne and Earl Lathrop 1975-5-25 45549 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro, Rancho California 609 Comment
  UCR85527  Alopecurus saccatus Scott D. White 1993-4-25 1273 Riverside Peninsular Range; Perris-Aguanga Basin Region, Vernal Pool ('Bramlet's') on California Ave. between intersection of Stetson and RR crossing 450 Comment
Read comments
Dec 21 2010
  JOTR30695  Aloysia wrightii La Doux, Tasha, Jim Andre 2008-9-13 264 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  UCR1496  Althaea rosea Annette Price 1962-4-12 24 Riverside Box Springs Mountains, King's Drive-In on 8th Street, at the edge of Riverside, c. 1 block from the UCR campus 305 Comment
  UCR110393  Amaranthus albus A. C. Sanders, Mitch Provance 1999-9-26 23079 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  UCR230601  Amaranthus blitoides A. C. Sanders 2011-9-15 39895 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
  RSA714661  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60. 503 Comment
  RSA356885  Amaranthus fimbriatus R. F. Thorne 1966-10-15 41803 Riverside Palm Springs. 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
  UCR110395  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23077 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  POM361077  Ambrosia X platyspina Anstruther Davidson 1895-04 2008 Riverside Palm Springs; Colorado Desert. Comment
  RSA766608  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 175 Riverside Orocopia Mtns Wilderness. Orocopia Mtns. SR 2013/ Red Canyon Rd at wilderness boundary sign. 689 Comment
  SEINET735848  Ambrosia dumosa L. R. Landrum 1998-12-24 9367 Riverside West Palm Springs exit of Hwy 10 across street from Motel 6 in small remnant of desert vegetation. Comment
  UC62863  Ambrosia dumosa H. M. Hall May 17 1901-Jun 1 1901 1868 Riverside near, (journey of Jepson & Hall from Riverside to Santa Rosa Pk & Palomar) Palm Canon 609 Comment
  UCR154036  Ambrosia dumosa L. McHargue 1966-11-25 s.n. Riverside Colorado Desert, 0.5 mi east of Ramon Road and 1000 Palms Canyon Road junction Comment
  SEINET10849245  Ambrosia dumosa David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2895 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  SEINET10948333  Ambrosia dumosa David B. Dunn 1946-3-15 Dunn 2037 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  LA202941  Ambrosia ilicifolia Martha Hilend; 1932-3-26 sn Riverside Chuckawalla Mountains, about 3 mi. above Corn Springs Comment
  LA26682  Ambrosia salsola William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  SFV6309  Ambrosia salsola T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 48 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UCR59518  Amorpha fruticosa var. occidentalis Steve Boyd, T. S. Ross, Laurel Arnseth 1989-5-7 3580 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, NW end of lake at E end of Oak Mtn., north of Wilson Creek 488 Comment
  CAS-BOT-BC213973  Amsinckia L. R. Abrams 1926-3-26 11057 Riverside Palm Springs to Palm Canyon Comment
  SD108859  Amsinckia gloriosa James Henrickson 1973-3-18 6 Riverside 16 air miles east of Temecula, 2.9 miles east of Aguanga along Highway 71 825 Comment
  SD240913  Amsinckia intermedia Dave Silverman, Jeanette Duffels 2010-3-23 7821 Riverside Dunes at SSE tip of Palen Dsry Lake, on km SW of Palen Dunes Drive, 4.2 km N of I-10, 7.4 km ESE of Sidewinder Well. 130 Comment
  SDSU18981  Amsinckia intermedia C. Matt Guilliams 2008-2-27 488 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  SDSU18987  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-12 532 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
  UC511119  Amsinckia menziesii var. menziesii Lyman Benson 1932-3-26 3163 Riverside 3 mi n Temecula; San Jacinto Mountain Range 457 Comment
  RSA0091473  Amsinckia tessellata C. L. Hitchcock 1940-4-2 5912 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA779783  Amsinckia tessellata Duncan S. Bell 2010-4-2 692 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  UCR214122  Amsinckia tessellata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37729 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
  RSA0104452  Amsonia tomentosa Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-3-5 7761 Riverside Chuckwalla Mountains; a side canyon off of Irish Wash, approximately 1.5 air miles southwest of Aztec Well. 696 Comment
  UC878772  Amsonia tomentosa P. A. Munz and I. M. Johnston 1922-5-7 5252 Riverside Little San Bernardino Mts., Keyes Ranch 1066 Comment
  SEINET3088586 Image available Anagallis arvensis Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. Comment
  RSA296148  Anagallis arvensis Barry A. Prigge 1980-8-19 3996 Riverside Whitewater Canyon: 0.7 miles WNW of trout farm. 720 Comment
  RSA360987  Ancistrocarphus filagineus Steve Boyd 1986-4-2 1588 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park 610 Comment
  JOTR29574  Anisocoma acaulis Andre, Jim 2006-4-26 6778 Riverside Joshua Tree National Park. ridgetop, w. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner of boundary of park 1324 Comment
  CAS-BOT-BC79931  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  CDA20168  Antirrhinum coulterianum J. Chandler 2003-6-16 PDR 1261500 Riverside Southern California; on Wildwood Ln in Aguanga. 0 Comment
  UCR174519  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32508 .2 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR233157A  Antirrhinum filipes Jim Andre, Glenn L. Clifton 2011-2-22 17455 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  SD129521  Antirrhinum nuttallianum subsp. nuttallianum Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau Area: along Los Gatos Road, I(c) mi. S of Buena Vista Road (2 mi. W of Sandia Canyon, & 0.1 mi. N of San Diago County line) 366 Comment
  RSA496360  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3034 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  UCR12548  Aptenia cordifolia Eric Trubschenck 1972-5-8 2 Riverside NE corner of Park and 7th Streets, City of Riverside 272 Comment
  UC9007  Aquilegia formosa H. M. Hall July 1901 2374 Riverside San Jacinto Mtns 1524 Comment
  JEPS53033  Arabis glabra Carl V. Meyer Jun 1927 198 Riverside Saunders Meadow Comment
  RSA0126211  Arabis glabra Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2290 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 0.5 mi S of saddle. 1500 Comment
  RSA0126309  Arabis glaucovalvula P. A. Munz 1949-4-11 13019 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 914 Comment
  RSA161333  Arabis glaucovalvula P. H. Raven 1958-5-5 12900 Riverside To the west of Split Rock Tank, Joshua Tree National Monument. Comment
  UCR20114  Arabis johnstonii Jeanine Derby 1977-1 s.n. Riverside San Jacinto Mtns., Garner Valley. S exposure on E end of Quinn Flats Comment
  CLARK-A1045-133  Arabis perennans George K. Helmkamp 1977-5-20 Riverside Deep Canyon mouth of Deep Canyon; Palm Desert 15'Q Comment
  UCR208215  Araujia sericifera Scott D. White 2001-6-22 8601 Riverside Peninsular Range, Corona; bajada below the Santa Ana Mts., near the jtn. of Cleveland Way and Fullerton Av., about 2 road mi S of the jtn. Fullerton Av. and Ontario Av. 412 Comment
  UCR273477  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42624 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 at McGaugh Rd., west slope of the mountains below Mountain Center 1314 Comment
  UCR273484  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42616 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  CAS-BOT-BC23118  Arctostaphylos glandulosa subsp. glandulosa W. Pequenat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 853 Comment
  SD180710  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-8-2 400 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top, ca. 100m east of weather station. Among boulders, exposed, 0 slope. 654 Comment
  RSA629168  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16808 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  RSA629364  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16821 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 Comment
  POM254931  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bear Springs, Santa Ana Mts. 1311 Comment
  RSA631734  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19266 Riverside Highway 79, 5 km west of Radec. 580 Comment
  UCR278096  Arctostaphylos glauca A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42679 Riverside Peninsular Range; San Jacinto Mountains, north side of Hwy 74 at McGaugh Rd., west slope of the mountains below Mountain Center 1316 Comment
  RSA78198  Arctostaphylos glauca var. eremicola P. A. Munz 1953-5-31 18516 Riverside ridge between Juniper Flats and Stubby Springs, Joshua Tree Nat'l Mon. Comment
  RSA633561  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16625 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 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
  SEINET3101904  Arctostaphylos pringlei Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17374 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  CAS-BOT-BC44333  Arctostaphylos pringlei subsp. drupacea H. M. Hall 1901-6-1 2092 Riverside San Jacinto Mts. 1524 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
  RSA635647  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16613 Riverside Road to Santa Rosa Mtn. (7S02), 1.5 km south of Hwy 74. 1540 Comment
  SBBG34180  Arctostaphylos pringlei subsp. drupacea T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  SD128326  Arctostaphylos pringlei subsp. drupacea R. Mitchel Beauchamp 1971-5-15 2418 Riverside San Jacinto Mtns., Black Mountain campground 1710 Comment
  UC21864  Arctostaphylos pringlei subsp. drupacea H. M. Hall July 1901 2311 Riverside near Tauquitz; San Jacinto Mountains 2194 Comment
  UC922082  Arctostaphylos pringlei subsp. drupacea Frank W. Gould 1943-4-18 2135 Riverside mountain slopes 8 mi e Idlewild Comment
Read comments
Sep 29 2011
  RSA50292  Arctostaphylos pungens E. K. Balls 1949-5-4 13485 Riverside 0.5 mile south of Vista Grande Ranger Station, San Jacinto Mts. 1494 Comment
  RSA636162  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19494 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  RSA636183  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19537 Riverside West of Temecula, north-facing slopes off Carancho Rd., 2.8 km west of Via Volcano, eastern Santa Margarita Mtns. 320 Comment
  CAS-BOT-BC207134  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  JOTR31851  Aristida adscensionis La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2109 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA704195  Aristida adscensionis Gary D. Wallace 1982-5-15 1996 Riverside Palms to Pines Highway, 7 level hill. Comment
  RSA129293  Aristida adscensionis var. modesta H. S. Yates 1937-3-23 6442 Riverside 15 miles NNE of Mecca 457 Comment
  POM9584  Aristida adscensionis var. modesta I. M. Johnston 1920-5-8 s.n.. Riverside Jurupa Mountains, extreme west end. Comment
  UCSB45613  Aristida purpurea John C. Roos 1966-4-26 Riverside collected in hills between March AFB and Lakeview March AFB and Lakeview Comment
  CAS-BOT-BC137529  Aristida purpurea var. nealleyi Carl B. Wolf 1932-5-24 3640 Riverside North base of San Jacinto Mountains. Snow Creek Canyon. 0.5 mile below Fish Hatchery. 548 Comment
  CAS-BOT-BC500347  Aristida purpurea var. nealleyi A. C. Sanders; Jim Malusa 2015-3-9 41368 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Rd at major wash crossing 1.9 mi S of Bradshaw Trail, US Navy Chocolate Mts Aerial Gunnery Range 686 Comment
  RSA47456  Aristida purpurea var. nealleyi J. C. Roos, L. Roos 1949-4-11 4242 Riverside Hayfields [Hayfield], Colorado Desert. Comment
  SEINET190985 Image available Aristida purpurea var. nealleyi A. A. Beetle 1942-4-22 3184 Riverside Desert Center Rt 40 Comment
  UCD56547  Aristida purpurea var. nealleyi Lewis S. Rose 1945-12-29 45343 Riverside Colorado Desert, Andreas Canyon, near Palm Springs. Comment
  UCR58478  Aristida purpurea var. parishii S. J. Myers, Don Mitchell 1989-9-29 s.n. Riverside Peninsular Range, Hemet area, SE corner of Lakeview Mtns., [near] Hwy 74, 0.75 mi west of California Ave. 470 Comment
  UCD56524  Aristida purpurea var. wrightii A. A. Beetle 1942-4-22 3184 Riverside Rt. 60 near Desert Center. Comment
  UCR41593  Aristida purpurea var. wrightii A. C. Sanders, B. Pitzer, D. Charlton, J. Kniffen, R. Kniffen 1986-3-3 6128 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CAS-BOT-BC90418  Artemisia douglasiana Lathrop; Thorne 1967-9-26 6612 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  CLARK-A1528-155  Artemisia dracunculus John C. Roos 1951-9-23 Riverside Reche Canyon Comment
  CLARK-A1528-1574  Artemisia dracunculus John C. Roos 1948-10-16 Riverside Beaumont Comment
  JOTR36399  Artemisia dracunculus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3349 Riverside Joshua Tree National Park. Upper Covington Flat: Upper Covington Flats Parking area Comment
  SEINET269257  Artemisia ludoviciana M. A. Patten, S. J. Myers 1993-8-20 Riverside Along Tahquitz Creek and in neighboring creosote scrub behind the debris basin dam in Palm Springs 183 Comment
  RSA417413  Artemisia tridentata Gale Sphon 1955-5-22 s.n. Riverside Vandeventer Flats Comment
  SEINET959514  Artemisia tridentata R. E. Riefner Jr. 2006-1 6 -442 Riverside Temecula Valley, c.0.1 mi. West of I-15 freeway along Temecula Creek (temecula 7.5 ) 301 Comment
  CAS-BOT-BC222817  Asclepias albicans A. C. Sanders; E. J. Lawlor 1992-4-4 12156 Riverside Colorado Desert. McCoy Mountains, within 1/2 mile of McCoy Spring 243 Comment
  SEINET195890  Asclepias californica F. A. Thackery 1928-5-22 478 Riverside Banning Hights. Comment
  UCR163056  Asclepias erosa B. G. Pitzer, G. R. Ballmer 2000-10-14 4234 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  SD122939  Asclepias fascicularis Steve Boyd 1985-8-7 1102 Riverside Santa Rosa Plateau, Northwest base of Redonda Mesa on Tenaja Road, 0.8 miles east of junction with 8SO1 and 8SO2 Comment
  CLARK-A1528-1464  Asclepias subulata John C. Roos 1946-12-7 3179 Riverside Pushawalla Wash Comment
  IRVC12864  Asparagus officinalis Steve Stadler 1966-3-26 032666 44 Riverside Found along the Gagu Canal .2 miles North of Blaine Street. 305 Comment
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Sep 29 2011
  SEINET13276755 Image available Asparagus officinalis Mitch Provance 2012-1 196 -08 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  POM153374  Aster frondosus Philip A. Munz, I. M. Johnston 1928-9-12 11246 Riverside North end of Lake Elsinore. Comment
  UC1546948  Astragalus aridus Leila M. Shultz, John S. Shultz 1985-4-15 8243 Riverside along Wiley's well road Chuckawalla Valley depression (Chuckawalla Valley depression) 121 Comment
  JEPS54565  Astragalus coccineus Lawrence Saylor 1935-3-24 200 Riverside 6 mi se Cottonwood Springs; se of Cottonwood Springs Comment
  UC862884  Astragalus crotalariae P. A. Munz, D. Keck 1922-4-8 4743 Riverside 1/2 mi e Indio (Colorado Desert); , e of Indio -15 Comment
  RSA659768  Astragalus didymocarpus J. C. Roos 1952-4-30 5606 Riverside Hills between Camp Haan and Riverside 518 Comment
  SEINET948217  Astragalus didymocarpus var. didymocarpus Steve Boyd 1986-1 1620 Riverside Gavilan Plateu, Gavilan Hills: Harford Springs County Park 610 Comment
  CAS-BOT-BC182644  Astragalus douglasii Scott D. White 1996-8-1 4422 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area. San Jacinto Mts. 1830 Comment
  RSA775122  Astragalus douglasii var. douglasii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5025 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
  UC1128783  Astragalus douglasii var. parishii H. S. Yates 1936-8-29 6382 Riverside near Pine Flat; San Jacinto Quad., near Pine Flat Comment
  RSA642091  Astragalus filipes Orlando Mistretta, Mark Elvin 1995-6-19 1780 Riverside San Jacinto Mountains.: [State Hwy 74] 1433 Comment
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Jan 1 2007
  UCR120796  Astragalus gambelianus Ian G. Gillespie 2000-4-26 27 Riverside Perris-Aguanga Basin, S side of Paloma Valley. Hilltop at S end of Lindenberger Road, SW of the intersection of Scott Road and Briggs Road 473 Comment
  CAS-BOT-BC186897  Astragalus insularis var. harwoodii H. M. Hall 1901-4-5 5945 Riverside McCoy Wash, Colorado Desert Comment
  UCR214434  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37423 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  SD143257  Astragalus lentiginosus var. coachellae James C. Dice, Kimberly A. Nicol 1998-3-24 98032 2 Riverside Northwestern Colorado Desert, 5.1 miles north of Desert Center, along Stte Highway 177. 167 Comment
  CAS-BOT-BC178061  Astragalus nuttallianus Steve Castagnoli; Greg de Nevers; R. Doug Stone 1980-4-29 108 Riverside 6 1/2 road miles NNW of Horse Thief Springs - Kingston Range 1066 Comment
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Apr 22 2018
  UCR232513  Astragalus nuttallianus var. cedrosensis Dave Silverman, Mark Bibbo 2010-3-31 7900 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of southern McCoy Mtns, 1.5 km W of Black Creek Rd, 5.4 km N of I-10, and 6.8 km ENE of McCoy Peak 175 Comment
  UCR93844  Astragalus pachypus var. jaegeri Steve Boyd, T. S. Ross 1990-5-11 4610 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  CAS-BOT-BC194143  Astragalus pomonensis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula 365 Comment
  POM2003  Astragalus pomonensis I. M. Johnston 1918-4-3 s.n Riverside Valle Vista above Hemet. 534 Comment
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Nov 20 2011
  RSA492850  Astragalus pomonensis Bill Wagner 1988-3-9 s.n Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
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Mar 20 2011
  UCR4173  Astragalus pomonensis R. H. Sauer 1965-4-21 s.n. Riverside Mockingbird Canyon Road, 4 mi. SE of intersection with Van Buren Boulevard, SE of Riverside, NE of Lake Mathews 244 Comment
  CAS-BOT-BC193173  Astragalus sabulonum Ira L. Wiggins 1938-3-19 8901 Riverside Colorado Desert 25 mi. W. of Blythe Comment
  RSA0006864  Astragalus tricarinatus E. C. Jaeger 1921-1 s.n. Riverside Thousand Palms Comment
  CHSC35469  Athysanus pusillus James Henrickson 1973-3-18 8593 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  CLARK-A1528-2295  Athysanus pusillus John C. Roos 1947-3-21 3363 Riverside Reche Canyon Comment
  RSA525687  Athysanus pusillus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4558 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  CAS-BOT-BC98822  Atrichoseris platyphylla Ira L. Wiggins 1941-3-27 9681 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  RSA550010  Atrichoseris platyphylla Walter Wisura, John Dolan, C. Demme 1992-4-13 4687 Riverside Lower Desert: Wileys Well Road, 10.5 miles S of prison Comment
  RSA703818  Atrichoseris platyphylla LeRoy Gross 2005-3-3 1606 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  IRVC28917  Atriplex argentea subsp. expansa D. E. Bramlet 1990-7-20 2049 Riverside Perris Valley Storm Drain, 200 m E of the Escondido Freeway (Hwy I-125), and 350 m N of Ellis Ave 470 Comment
  POM202640  Atriplex canescens W. M. Ingram 1934-10 4 Riverside Colorado Desert Comment
  CAS-BOT-BC170225  Atriplex canescens subsp. linearis Lewis S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  JEPS59593  Atriplex canescens subsp. linearis Marjorie D. Clary 1932-10-2 1569 Riverside Point Happy 6 mi w Indio (along edges Whitewater Wash, Colorado Desert); Colorado Desert, Point Happy, w of Indio 30 Comment
  CAS-BOT-BC170278  Atriplex confertifolia J. Von Loh 1978-7-11 60375 A Riverside Edwards' AFB - Mojavie D. 762 Comment
  RSA520929  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2054 Riverside California Dept. of Fish and Game, San Jacinto Wildlife Area. Populations are found just west of the old San Jacinto river channel and adjacent to the first waterfowl pond. 476 Comment
  UCR103491  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2438 Riverside San Jacinto Valley, Mystic Lake Duck Club, on berms & on the SW duck ponds within the club,1.71 km east of Davis Road and 46 m south of the access road, 640m north of the San Jacinto River Channel 436 Comment
  JEPS49002  Atriplex elegans var. fasciculata Marjorie D. Clary 1932-5-20 964 Riverside Coral Reef Ranch Comment
  CAS-BOT-BC170261  Atriplex hymenelytra John Thomas Howell 1928-1-28 3289 Riverside Thousand Palms, Colorado Desert Comment
  SD253433  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2015-3-10 41370 Riverside Sonoran (Colorado) Desert: North end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range. 609 Comment
  POM278759  Atriplex lentiformis Grant D. Brown 1950-3-5 489 Riverside 3 miles east of Indio on hyway #60/70. -9 Comment
  UC415724  Atriplex lindleyi unknown 1900-7-16 Riverside Temecula Comment
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Aug 8 2010
  SD146325  Atriplex serenana A. C. Sanders, Mitch Provance, and B. Pitzer 2000-9-27 23681 Riverside Santa Ana River Valley: Southwest side of Mt. Rubidoux, northwest of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arrq 231 Comment
  UCR114325  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riverside, N side of Latham St., c. 1/8 mile west of intersection with Keats Dr. 245 Comment
  RSA771662  Avena barbata Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4905 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  RSA776276  Avena barbata Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 881 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  GMDRC4943  Avena fatua J. Andre 2011-2-18 15820 Riverside Coachella Valley: north end of valley at base of Morongo Canyon, 0.5 mi. N. of Indian Cyn Rd, 1 mi. west of Hwy 62. 473 Comment
  IRVC5358  Avena fatua Gidon Ladizinsky 1971-5-19 s.n. Riverside University of California, Riverside Comment
  UCR139033  Avena fatua D. L. Banks, V. W. Steinmann 1997-3-13 1448 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  JOTR36019  Ayenia compacta Harding, Mitzi, T. Herskovits 2012-3-16 226 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  CAS-BOT-BC98785  Baccharis brachyphylla Marjorie Clary 1932-12-13 654 Riverside Near mouth of Deep Canyon [Canon], western edge of Coachella Valley, near eastern end of Palms-to-Pines Highway, 304 Comment
  CLARK-A1528-1625  Baccharis emoryi John C. Roos 1937-9-12 Riverside Santa Ana River Comment
  CAS-BOT-BC106631  Baccharis salicina Lewis S. Rose 1945-12-23 45302 Riverside Palm Springs - Colorado Desert 137 Comment
  RSA799072  Baccharis sergiloides Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6868 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UCR245801  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40963 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  CDA41202  Bacopa monnieri G. D. Barbe, J. L. Johnson 1983-1-25 4037 Riverside Colorado River at mouth of Alligator Slough; boat ramp and picnic grounds; Lost Lake Resort. 0 Comment
  JEPS81870  Bacopa monnieri Brad Ballen, J. L. Johnson, G. D. Barbe 1983-1-24 4035 Riverside NE of Rancho Mirage (Desert Island Country Club) Comment
  UCR130082  Bacopa monnieri G. R. Ballmer 2003-11-22 s.n. Riverside Colorado River Valley, Northern Paloverde Valley, east of Hwy 95, c. 5 miles NE of Blythe, east end of 2nd Ave. 87 Comment
  CAS-BOT-BC295897  Bahiopsis parishii 1905-4-1 5877 Riverside Col. Desert Comment
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Sep 3 2017
  RSA189411  Bahiopsis parishii L. S. Rose 1966-12-14 66104 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  CAS-BOT-BC99947  Baileya pauciradiata Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13232 Riverside 2.4 mi. S of Rice, on road to Midland and Blythe Comment
  CAS-BOT-BC99956  Baileya pauciradiata Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  UC724349  Baileya pauciradiata Aven Nelson, Ruth A. Nelson 1939-3-29 3313 Riverside between Mecca and Hidden Springs Comment
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Feb 3 2011
  RSA740926  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-7-9 12426 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UCR123607  Bauhinia variegata Wendy Walters 2001-3-23 s.n. Riverside Western Colorado Desert, Coachella Valley, La Quinta at corner of Jefferson St. and Ave. 50 11 Comment
  CDA10492  Bebbia juncea T. C. Fuller 1962-10-2 9698 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  POM350772  Bebbia juncea Anstruther Davidson 1906-5-3 s.n. Riverside Thermal Comment
  LA203073  Bebbia juncea var. aspera Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  RSA594762  Bebbia juncea var. aspera Darin L. Banks, Dylan Hannon 1996-5-3 1004 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
  JEPS5610  Bergia texana Samuel B. Parish Nov 1891 Riverside Near Elsinore Comment
  UCR13719  Bernardia myricifolia N. R. Zabriskie, W. W. Zabriskie 1971-4-9 364 Riverside Peninsular Range; Santa Rosa Mtns., north slope of mtns., Deep Canyon, c. 2 mi. up water service road leading south of Hwy 74. Site 2 1311 Comment
  UCR29642  Bernardia myricifolia Wende Rehlaender 1983-5-28 112 Riverside Santa Rosa Mountains, Bighorn Sheep Lookout, on Hwy 74 on northwest rim of Deep Canyon, just southeast of Sugarloaf Mountain and 5 mi northeast of Santa Rosa Mountain, c. 15 mi along road from Palm Desert 732 Comment
  SDSU17533  Bidens pilosa Jerry Jenkins 2001-4-2 2001 -050 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  RSA450130  Bidens pilosa J. C. Roos 1965-8-18 s.n. Riverside In Corona. Comment
  CSUSB17  Bloomeria crocea Barry Glaser 1964-4-21 640421 6 Riverside Box Springs Mountains Box Springs Mountains. 0.3 miles beyond end of Blaine. 365 Comment
  RSA700859  Bloomeria crocea Michael Wall 1996-6-27 164 Riverside Cherry Valley N of Beaumont, Oak Glen rd, 2.6 mi N of Cherry Valley Blvd on steep E slope bordering Little San Gorgonio Cyn. Comment
  UCR199596  Bloomeria crocea Scott D. White 2004-4-26 10240 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  SBBG880  Bloomeria crocea var. crocea H. and M. Dearing 1940-6-8 4353 Riverside W of Ribbonwood, Palms to Pine Hwy Comment
  UC855388  Boechera perennans K. Watkins and E. McClintock 1937-4-10 Riverside Palms to Pines highway, near road to Shumay Comment
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Dec 17 2011
  CLARK-A1528-5699  Boerhavia coccinea John C. Roos 1945-5-15 3858 Riverside Eagle Mountains 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
  RSA670151  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside San Jacinto, behind post office, 288 E. Main St. Comment
  UCR167837  Boerhavia coccinea T. B. Salvato, Melissa Clemons 2005-6-23 1310 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  CAS-BOT-BC434528  Boerhavia intermedia Marcus E. Jones 1929-9-16 E 4796 Riverside Hayfields, Near Desert Center Comment
  UCR244886  Boerhavia triquetra A. C. Sanders, T. B. Salvato 2012-10-12 40403 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  JOTR30290  Boerhavia wrightii La Doux, Tasha, Bill Truesdell 2006-10-3 1785 Riverside Joshua Tree National Park. Pinto Basin: (Stop 2) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 694 Comment
  SEINET3092325 Image available Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 610 Comment
  UCR165200  Boerhavia wrightii Robert Cox, D. T. & C. T. 2003-9-23 s.n. Riverside Sonoran (Colorado) Desert, NE of Salton Sea; along Salt creek, next to Clemens Well 305 Comment
  VVC2114  Boerhavia wrightii Tim Thomas 2012-8-23 5869 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  CLARK-A1528-4506  Bouteloua aristidoides John C. Roos 1943-12-19 2764 Riverside Mecca Hills Comment
  UCR251727  Bouteloua barbata var. barbata Deidre Conocchioli, Sarah J. De Groot 2013-9-18 49 Riverside Sonoran (Colorado) Desert, Valley [northwest of Chuckwalla] Mountains; from Desert Center take I-10 west for 9.2 miles, exit Red Cloud Rd., turn left under interstate over metal grate onto unpaved powerline road, 0.2 miles; collection site is along portion of road that runs nearly parallel with an old raised railroad for a short distance before diverging 442 Comment
  UCR155167  Bowlesia incana A. C. Sanders 2005-5-4 29848 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR49219  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR91848  Bowlesia incana A. C. Sanders, O. F. Clarke 1996-4-13 18035 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  CLARK-A1528-5383  Brandegea bigelovii John C. Roos 1965-12-4 Riverside Comment
  JOTR35012  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  JOTR36016  Brandegea bigelovii Harding, Mitzi, T. Herskovits 2012-3-16 223 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  UC890375  Brandegea bigelovii C. L. Hitchcock 1940-3-31 5894 Riverside between Cottonwood Spring and Pinto Basin Comment
  UCR90963  Brassica geniculata Scott D. White 1996-3-16 3819 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR125272  Brassica rapa A. C. Sanders 2002-11-21 25644 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  CLARK-A1703-1189  Brassica tournefortii Charles S. Papp 1964-5-22 469 Riverside Riverside Comment
  OBI75937  Brassica tournefortii James M. Andre 2011-2-9 15931 Riverside Mecca Hills; along Box Cyn Rd at upper end of gorge, approx 6 mi SSE of jctn with I-10, approx 12 mi W of Chiraco Summit 284 Comment
  RSA0041948  Brassica tournefortii Duncan S. Bell, Loraine Washburn 2014-4-8 6588 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  RSA0049917  Brassica tournefortii Jim Andre 2014-1-27 26672 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
  SD232232  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 609 Comment
  UC1922020  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  RSA670334  Brassica tournefortii T. J. Glenn 1988-1-7 s.n. Riverside Off Snow Creek Road, Palm Springs Comment
  CLARK-A1528-1661  Brickellia californica John C. Roos 1951-10-19 5324 Riverside Jackrabbit Trail 609 Comment
  UCR109484  Brickellia desertorum A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19650 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  JOTR01240  Brickellia desertorum Cole, James E. 1942-5-19 960 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  RSA561876  Bromus anomalus Steve Boyd, Timothy S. Ross 1992-6-10 7633 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido',, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  RSA561879  Bromus arenarius Steve Boyd, Timothy S. Ross 1992-6-10 7630 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido',, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  RSA754136  Bromus ciliatus var. ciliatus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 19 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  UCR137486  Bromus diandrus D. L. Banks 1997-3-29 1581 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR92141  Bromus diandrus D. L. Banks, Steve Boyd 1995-5-3 201 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  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
  POM10523  Bromus diandrus C. F. Baker 1909-05 s.n. Riverside Riverside. Comment
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Jul 27 2008
  UCR52074  Bromus madritensis Bill Wagner 1988-3-7 s.n. Riverside Woodcrest area, c. 6 mi SW of Riverside, NE corner of Hibiscus and Dauchy Avenues 488 Comment
  UCSB18305  Bromus madritensis subsp. rubens Boyles, Robert 1964-5-10 Riverside Pinon Flats Public Campgrounds; 300 yds N of Hwy 75 1249 Comment
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Nov 22 2010
  CAS-BOT-BC161815  Bromus rubens D. A. Johansen; J. A. Ewan 1932-4-10 7057 Riverside Along diversion canal at mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  UCR233067  Bromus rubens Edith B. Allen 2012-1-21 112- 03 Riverside Riverside, western foot of the Box Springs Mtns. on east edge of town, Islander Park, north of the east end of Big Springs Rd. 353 Comment
  UCR58480  Bromus tectorum Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  RSA0019725  Bromus tectorum A. Sleigh 1992-5-19 121 Riverside Northeast corner of Ramona Expressway and Davis Road. Comment
  RSA167552  Caesalpinia virgata R. F. Thorne, Robert L. Rutherford 1964-4-12 33656 Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
  RSA172310  Caesalpinia virgata R. F. Thorne 1963-3-29 32373 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  RSA405294  Caesalpinia virgata Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  CLARK-A1528-3811  Calandrinia ambigua John C. Roos 1949-5-5 4098 Riverside Orocopia Comment
  UCR16505  Calandrinia ciliata David M. Peterson 1966-2-27 660227- 01 Riverside Santa Ana Mtns.; Santa Rosa Plateau, 6 mi SW of Murrieta, on the DeLuz Road, in a meadow 762 Comment
  SD68966  Callitriche heterophylla var. bolanderi Robert F. Thorne, P. A. Munz and E. Lathrop 1968-5-8 37594 Riverside Santa Rosa Plateau, Rancho California. 609 Comment
  NY409595  Callitriche marginata R. F. Thorne 1969-5-12 37925 Riverside Santa Rosa Plateau: large vernal marsh on S end of Mesa de Colorado, Rancho California Comment
  UCD132935  Calocedrus decurrens Lionel A. Stange 1956-5-13 s.n. Riverside San Jacinto Mountains, Dark Canyon campground. Comment
  RSA773597  Calochortus concolor Duncan S. Bell, Ryan Parker 2010-6-15 1309 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1063 Comment
  UC3382  Calochortus concolor H. M. Hall Jun 1901 2285 Riverside vicinity Chalk Hill; San Jacinto Mountians 1524 Comment
  CLARK-A1045-77  Calochortus invenustus George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains Idyllwild 15' Q Comment
  CAS-BOT-BC132440  Calochortus palmeri E. A. McGregor 1941-6-12 28 Riverside Santa Rosa Mt. Comment
  RSA0034606  Calochortus splendens Linda M. Prince, Duncan S. Bell 2009-6-17 575 Riverside Cleveland National Forest. Helipad. Comment
  RSA692245  Calochortus splendens Scott D. White, Michael Honer 2003-5-27 9405 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  RSA688839  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-6-17 9549 Riverside Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR75067  Calycoseris wrightii A. C. Sanders, E. Lawlor 1992-4-4 12114 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET5764663 Image available Calyptridium monandrum Ivan Johnston 1917-4-4 13784 Riverside Palm Springs, Near Palm Springs. Comment
  UCR103280  Calyptridium monandrum B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3588 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UC489218  Calyptridium monospermum C. V. Meyer 1928-7-27 550 Riverside San Jacinto Peak; Southern California, San Jacinto Peak 3230 Comment
  CAS-BOT-BC224280  Calystegia macrostegia A. C. Sanders; T. B. Salvato; Kelly Volansky; Michelle Balk 2006-5-24 32520 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  RSA192221  Calystegia macrostegia subsp. arida E. W. Lathrop 1966-5-1 6232 Riverside 3 miles W of Murrieta Comment
  UCR108936  Calystegia macrostegia subsp. arida Scott D. White 1997-5-18 5168 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  POM71103  Calystegia macrostegia subsp. intermedia F. W. Peirson 1929-5-4 8333 Riverside In clumps on open land near Lake Elsinore. Comment
  UCR98195  Calystegia macrostegia subsp. intermedia Scott D. White 1997-2-9 4672 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UCR92224  Calystegia macrostegia subsp. tenuifolia D. L. Banks 1995-4-11 0172 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 951 Comment
  UCR115933  Calystegia sepium subsp. binghamiae Mitch Provance, Steve D. Boyd 1999-9-14 1780 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  UCR132614  Camissonia Kent Beaman 1983-4-24 31 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  UCR260090  Camissonia Mitch Provance 2012-4-23 412- 15 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  RSA0036469  Camissonia bistorta J. M. Andre 2012-6-15 30501 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA465914  Camissonia bistorta N. C. Cooper 1944-5-6 1173 Riverside Banning. 701 Comment
  RSA465923  Camissonia bistorta Gary D. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  RSA465925  Camissonia bistorta Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  UCR166535  Camissonia boothii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10897 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA777538  Camissonia boothii subsp. condensata Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 898 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  JOTR31893  Camissonia brevipes subsp. brevipes La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2143 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  RSA78451  Camissonia brevipes subsp. brevipes Verne Grant, Alva Grant 1952-4-1 17516 Riverside 9 miles E of Mecca Comment
  RSA134498  Camissonia californica Harlan Lewis, M. Lewis 1953-3-15 1610 Riverside Colorado Desert, Pushawalla Canyon in desert wash Comment
  RSA670672  Camissonia californica Bonnie C. Templeton, I. W. Clokey 1930-4-9 1068 Riverside North of Palm Springs 305 Comment
  UCR133381  Camissonia californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 1003 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  RSA717449  Camissonia cardiophylla Scott D. White, Pam DeVries 2006-3-14 11261 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 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
  UCR118642  Camissonia claviformis George K. Helmkamp 1998-4-3 3081 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  SEINET10492068  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7471 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s, r10e, sec35. Common to abundant in wash. Petals cream with reddish base. 244 Comment
  RSA135292  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11473 A Riverside Along roadside, 0.5 mile west of Mecca. Comment
  RSA543591  Camissonia graciliflora Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6144 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1036 Comment
  SEINET7040182  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 0.4miles east of Murrietta [on Murrietta Hot Springs road]. Murrieta Quad. UTM Zone 11, 482619mE, 3712809mN. Comment
  RSA496463  Camissonia hirtella Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3079 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA585511  Camissonia hirtella D. L. Banks, Steve D. Boyd 1995-5-9 372 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  RSA715073  Camissonia hirtella A. C. Sanders 2005-4-22 29614 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  CLARK-A1528-2659  Camissonia ignota John C. Roos 1937-3-24 2186 Riverside Pigeon Pass Comment
  RSA449011  Camissonia ignota Lester H. Cushman 1932-03 213 Riverside La Sierra Hts. Comment
  UCR171986  Camissonia ignota John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR231774  Camissonia ignota John F. Green 2008-4-23 08- 26 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA680559  Camissonia pallida Scott D. White, Michael Honer 2003-4-30 9143 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  JOTR37470  Camissonia pallida subsp. pallida Hodges, Stephen, T. Green 2016-5-24 592 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  RSA186157  Camissonia pallida subsp. pallida William Theobald 1960-4-10 62 Riverside Pinyon Crest Road 2.5 miles from Palms-to-Pines Highway. Comment
  RSA454105  Camissonia strigulosa N. C. Cooper 1945-5-24 1644 Riverside Big Oaks Canyon, Banning. 1220 Comment
  SDSU3365  Camissoniopsis hirtella H. Wedberg 1958-5-17 301 Riverside About 7.4 miles from railroad station at Banning on road to Idyllwild. Comment
  UC69873  Camissoniopsis ignota Mrs. C. M. Wilder 1905-4-20 87 Riverside near Riverside; Jurupa Hills, Wilder's Canyon Comment
  UC668392  Camissoniopsis pallida subsp. hallii Annie M. Alexander and Louise Kellogg 1941-4-24 2072 Riverside gorge of Dry Morongo Creek Mohave Desert, Morongo Valley 640 Comment
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Sep 18 2012
  UC668352  Camissoniopsis pallida subsp. pallida Annie M. Alexander and Louise Kellogg 1941-4-22 2059 Riverside top of Morongo Pass Mohave Desert, Morongo Valley Gorge 701 Comment
  SDSU13521  Carex barbarae W. Miller Riverside Comment
  CAS-BOT-BC20702  Carex fracta H. E. Hasse s.n. Riverside San Jacinto Mountains. Comment
  UC472736  Carex fracta Mary Fiske Spencer 1919-6-19 Riverside Idyllwild 1615 Comment
  UCR96415  Carex multicaulis Scott D. White 1996-8-1 4410 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UC72389  Carex nebrascensis H. M. Hall July, 1901 2561 Riverside Fuller's Mills Mountains San Jacinto Mountains 2072 Comment
  UCR129832  Carex praegracilis E. W. Lathrop 1959-5-17 4544 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 10 miles west of Murrieta Comment
  CAS-BOT-BC117868  Carex sartwelliana Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles N of Idyllwild. Comment
  CAS-BOT-BC117871  Carex sartwelliana P. M. Kamb 1947-5-17 525 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA364778  Carex triquetra J. D. Olmsted 1962-5-10 3657 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  UCR270200  Carex triquetra A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42397 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
  SEINET7578803 Image available Carex triquetra Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7311 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Cayon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 366 Comment
  UC1922343  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 -258 Riverside City of Hemet, Lake St. at Florida Ave. (Hwy. 74). Comment
  SD239935  Castela emoryi Nathan Moorhatch, Shari Norton 2010-5-7 Riverside Sonoran (Colorado) Desert: north of Desert Center, north of the golf course and east of the bend in Eagle Mountain Road. 198 Comment
  UC1967956  Castela emoryi Duncan S. Bell 2009-10-10 505 Riverside Arica Mountains east side of mountains range Arica Mountains (west side of Rice Valley; approximately 5 air miles southeast of the ghost town of Rice.) 210 Comment
  UCR59508  Castilleja affinis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3557 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  JEPS8558  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-1 3595 Riverside 12 mi w Aguanga (along State Highway 71, se end of Pauba Valley); Pauba Valley 426 Comment
  JEPS8584  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-3-30 3551 Riverside 2.6 mi n Murrieta (e of Calif Hwy 71, between Wildomar and Murrieta) 396 Comment
  RSA633320  Castilleja applegatei subsp. martinii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38086 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon 1677 Comment
  SEINET7073343  Castilleja densiflora A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR113851  Castilleja exserta Mitch Provance 2000-5-5 2013 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  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
  RSA740625  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-7-8 12379 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA0010937  Castilleja exserta subsp. exserta H. de Forest, Jack Rempel 1934-4-14 19806 Riverside San Gorgonio Pass. 602 Comment
  CLARK-A1528-846  Castilleja foliolosa Fred B. Essig 1964-4-25 29 Riverside Comment
  RSA400578  Castilleja foliolosa Robert Gustafson, Christopher Davidson 1985-5-20 3114 Riverside San Jacinto Mts., Hwy. 74 ca 2 miles below Moutain Center. Comment
  UCR180588  Castilleja foliolosa Scott D. White, Angelia Carey 2004-4-5 9985 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR77752  Caucalis microcarpa Steve Boyd, D. Bramlet 1991-5-13 6247 Riverside Domenigoni Hills, north side Domenigoni/Diamond Valley, ESE of Winchester. Vicinity of ultramafic outcrop on ridgetop south of S-end of Warren Rd. 610 Comment
  UCR67345  Caulanthus amplexicaulis var. amplexicaulis S. J. Myers 1991-4-15 91- 01 Riverside City of Banning, west of Fields Road, north of I-10 and south of the Morongo Indian Reservation. 671 Comment
  HSC83100  Caulanthus cooperi A. C. Sanders, Pitzer, Charlton, Kniffen, Stewart 1986-3-2 6052 Riverside Chuckwalla Bench, S side of Chuckwalla Mtns., on Bradshaw Rd., 2 mi. E of gasline road 642 Comment
  JOTR34208  Caulanthus cooperi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3000 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
  OBI29878  Caulanthus hallii Melissa Luckow, Rhonda Riggins 1982-4-15 823 Riverside Pinyon Pass Rd, 0.1m I NW of hwy 74 1006 Comment
  RSA336059  Caulanthus hallii R. F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52071 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  RSA552763  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6749 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  CAS-BOT-BC126757  Caulanthus lasiophyllus A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37458 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  JOTR34076  Caulanthus lasiophyllus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2971 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
  SBBG2587  Caulanthus lasiophyllus H. and M. Dearing 1936-12-12 507 Riverside N of Indio Comment
  UCR279356  Caulanthus lasiophyllus A. C. Sanders, Jim Malusa 2017-3-23 42920 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UC729488  Ceanothus cordulatus Carl B. Wolf 1932-8-6 3990 Riverside base of Devil's Slide to Tahquitz Valley San Jacinto Mts., Strawberry Valley 1706 Comment
  CDA31121  Ceanothus crassifolius Mike Lahti 2010-3-8 PDR# 1501966 Riverside Murrieta: at Jo-Dan Farms on Pabesu Road near Greer Road. 0 Comment
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Aug 11 2012
  POM12069  Ceanothus crassifolius Mary F. Spencer 1921-4-19 760 Riverside Banning. Comment
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Mar 13 2011
  RSA570226  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7895 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA570229  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7903 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA606761  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27423 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
  RSA606767  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27352 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UCR90962  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCSB41256  Ceanothus crassifolius Cowan, Clark 1978-4-25 Riverside 6.7mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. F.; Whittaker transect #W-229. Comment
  LA42052  Ceanothus cuneatus Carl Epling; 1932-6-4 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA755790  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-3-21 DOB 803 c Riverside San Jacinto Mountains at intersection of Chimney Flats Road and USFS Road 5S13, 2.8 road miles from highway 243 via Toll Gate Road, Apela Drive, and USFS roads 5S24 and 5S13, 4.57 kilometers 257 degrees true west-southwest of Idyllwild. 1440 Comment
  UC1951129  Ceanothus greggii Scott D. White, Justin Wood 2009-5-21 12866 Riverside SAN JACINTO MOUNTAINS: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). USGS Idyllwild, Anza 7.5' Quad. Comment
  RSA336411  Ceanothus greggii var. perplexans Robert F. Thorne, R. Whittaker, A. Shmida 1978-4-23 52083 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  CAS-BOT-BC51288  Ceanothus leucodermis H. E. McMinn 1925-7-2 1523 Riverside Idyllwild grade - San Jacinto Mt. Comment
  UCR5995  Ceanothus leucodermis David M. Peterson 1966-3-9 660309- 13 Riverside Santa Ana Mtns., 15-16 miles east of San Juan Capistrano on the road to Elsinore '2000 ft. 366 Comment
  CAS-BOT-BC51650  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-23 7895 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  SD80139  Ceanothus pauciflorus Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 370 Riverside North slope Santa Rosa Mountains, Deep Canyon south of Hwy 74, ca. 2 miles up water service road. below crossing. 1310 Comment
  SDSU12875  Ceanothus thyrsiflorus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 31 Riverside Next to Santa Margarita (SDSU) Field Station trailer due north of Gorge, above Santa Margarita River. 354 Comment
  UC1071423  Ceanothus tomentosus A. Lewis 1933-2-1 145 Riverside St. John's Grade San Jacinto Quad. Comment
  CAS-BOT-BC63251  Ceanothus tomentosus var. olivaceus R. Bacigalupi 1935-3-28 2336 Riverside Along U.S. Highway 99, 5 mi. e. of Redlands. Comment
  CAS-BOT-BC63254  Ceanothus tomentosus var. olivaceus Ynez Whilton Winblad 1936-3-26 s.n. Riverside Between Redlands and Beaumont. Comment
  JEPS30698 Image available Centaurea X pouzinii F. Willmarth 1961-10-18 Riverside near Corona (old Fuller Rancho) Comment
  UCR20322  Centaurea repens John C. Roos 1947-7-5 2908 Riverside junction of San Timoteo and Live Oak Creeks 459 Comment
  UCR199743  Centaurea solstitialis Scott D. White, Justin Wood 2008-5-29 12043 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  RSA69871  Centaurea solstitialis J. C. Roos 1951-9-25 5253 Riverside Fairmount 259 Comment
  RSA660922  Centaurium venustum Mitch Provance 1998-5-25 875 Riverside Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  JEPS100431  Centromadia pungens subsp. laevis Dean W. Taylor 2003-5-8 18550 Riverside Davis Road 0.5 miles North of Lakeview, San Jacinto Wildlife Area 434 Comment
  UC1930967  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2005-8-28 05 -648 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. Comment
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Jan 15 2016
  RSA784845  Cerastium glomeratum J. D. Olmsted 1959-6-23 567 Riverside Erosion gully where stream enters pond from North, Desert Sun School near Idyllwild, M. Fk. San Jacinto R. drainage area 1646 Comment
  UCR193970  Cercocarpus betuloides A. C. Sanders 2008-7-25 35916 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  UCR154449  Chaenactis artemisiifolia A. C. Sanders, Mike Misenhelter 2005-6-15 30960 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR44420  Chaenactis artemisiifolia A. C. Sanders, B. G. Pitzer 1986-4-30 6478 Riverside San Jacinto Mtns, Bee Cyn, along the road [Bee Canyon Truck Trail], 1.1 miles above mouth of canyon at the San Jacinto River Valley 710 Comment
  RSA681036  Chaenactis carphoclinia Scott D. White, Michael Honer 2003-5-14 9268 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  CDA7363  Chaenactis carphoclinia var. attenuata A. C. Browne 1953-4-23 Riverside Indian Fish Traps, 12 miles south of Indio. 0 Comment
  HSC86863  Chaenactis carphoclinia var. carphoclinia David Charlton 1988-2-25 1227 Riverside S side of Little San Bernardino Mtns. Dillon Rd. and 1000 Palms Oasis Rd. Jct. S of Joshua Tree National Park, parrallel to I-10; 5 miles E of Jct. Dillon Rd and Fargo Canyon Rd. 610 Comment
  JEPS30602  Chaenactis carphoclinia var. carphoclinia Donald M. Kyhos 1958-2-15 58 -13 Riverside Corn Springs Comment
  RSA178085  Chaenactis carphoclinia var. carphoclinia R. F. Thorne 1963-3-29 32384 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  OBI8304  Chaenactis fremontii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12069 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd, 11 mi S of N park boundary Comment
  POM182083  Chaenactis fremontii Philip A. Munz 1932-3-14 11979 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  UC1119730  Chaenactis fremontii H. S. Yates 1937-3-23 6395 Riverside 2 mi n of Palm Springs; San Jacinto 213 Comment
  UCR260837  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41516 Riverside San Gorgonio Pass, 2.5 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 463 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
  UCSB49254  Chaenactis fremontii Hibbard, Doug 1977-5-16 Riverside Off NW side of Hwy. 74, 11.8 mi. from intersection with Hwy. 111 1036 Comment
  SD153123  Chaenactis fremontii Robert Lauri 2001-3-24 51 Riverside [No locality written on label] (mak 1/08) Comment
  RSA708176  Chaenactis glabriuscula Scott D. White, Angelia Carey 2004-5-7 10320 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
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Oct 4 2007
  SD140206  Chaenactis glabriuscula Scott White 1993-4-22 1248 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  RSA263714  Chaenactis glabriuscula var. glabriuscula George E. Johnston, E. W. Lathrop 1975-6-13 s.n. Riverside 5 miles W Murrieta, Los Gatos Road, S slope of Mesa de colorado Comment
  SD133191  Chaenactis glabriuscula var. glabriuscula Scott White 1991-5-13 91 115 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  UCR115935  Chaenactis glabriuscula var. lanosa Mitch Provance 1998-4-7 1778 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon 396 Comment
  RSA550344  Chaenactis stevioides Walter Wisura, John Dolan, Michael Wall 1992-3-25 4644 Riverside Lowdesert: Chuckwalla Road, 14.3 miles E of Corn Spring Road. Comment
  UCR90186  Chaenactis stevioides A. C. Sanders 1992-4-4 12148 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA480017  Chaenactis stevioides var. stevioides Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2148 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA0062786  Chamaesyce micromera Duncan S. Bell, Evan Meyer 2014-10-22 7654 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
  RSA683918  Chamaesyce micromera Michael Denslow 2003-9-13 1550 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. (Cottonwood Spring Quad) 470 Comment
  RSA734752  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside Neat Canyon east of Painted Canyon. Comment
  RSA747798  Chamaesyce polycarpa Scott D. White, Justin M. Wood 2009-3-24 12578 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
  SEINET5742575 Image available Chamaesyce polycarpa W. Steinmann 1999-1 1416 Riverside Foothills of the Chuckwalla Moutains, open desert ca. 2 km S of Desert Center.; Desert Center 325 Comment
  RSA27501  Chamaesyce polycarpa var. polycarpa I. L. Wiggins 1941-3-26 s.n Riverside Along wash at Wiley well. Comment
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May 3 2014
  RSA626234  Chamaesyce serpens L. C. Wheeler 1967-5-15 9549 Riverside University of California at Riverside. Comment
  JOTR28820  Cheilanthes covillei La Doux, Tasha 2003-9-4 1088 Riverside Joshua Tree National Park. Queen Mountains, Barker Dam (Stop 3) Comment
  JOTR33797  Cheilanthes covillei La Doux, Tasha 2007-3-7 3322 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Pushwalla Cyn, approx 0.75 km SE of guzzler Comment
  UC42441  Cheilanthes covillei Mrs. Gregory 1891-1 Riverside San Jacinto Mts Comment
  CAS-BOT-BC70260  Cheilanthes intertexta C. F. Saunders 1908-4-1 s.n. Riverside Andreas Canyon, Palm Springs, Colorado Desert Comment
  RSA543297  Cheilanthes newberryi Steve Boyd 1991-3-17 5514 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
  SEINET272413 Image available Cheilanthes newberryi A. C. Sanders, G Helmkamp 1997-3-15 19917 Riverside Lake Skinner Area; hill E of Skinner Lake at NW end of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reservoir 567 Comment
  UCR113893  Cheilanthes newberryi Mitch Provance 1998-4-14 444 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  UCR125199  Cheilanthes newberryi Mitch Provance 1998-5-24 529 Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  JOTR33755  Cheilanthes parryi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2753 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy wash in wide canyon that feeds southwest into Wilson Canyon, with gneiss outcrops on either side (Stop 5) Comment
  RSA85538  Cheilanthes viscida F. W. Peirson 1922-12-27 4295 Riverside On rough mountain slope between two forks of Andreas Canyon, near Palm Springs 609 Comment
  RSA0014459  Chenopodium Justin M. Wood, J. Miner 2010-4-29 1532 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA775310  Chenopodium Duncan S. Bell 2011-3-20 s.n. Riverside Orocopia Mountains; on the southeast side of the mountain range near Red Canyon. 429 Comment
  UCR225439  Chenopodium A. C. Sanders, T. B. Salvato 2011-3-29 38846 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR114094  Chenopodium album A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16076 A Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  UCR113721A  Chenopodium berlandieri Mitch Provance 2000-7-30 2171 A Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 305 Comment
  UCR242656  Chenopodium berlandieri A. C. Sanders 2013-7-7 40858 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on Saunders Meadow Road near the trash transfer station (dump), NE of hairpin turn in road 1610 Comment
  UCR109477  Chenopodium berlandieri var. sinuatum A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19654 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  RSA717576  Chenopodium californicum A. C. Sanders 2004-5-5 27754 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak 579 Comment
  UC1287135  Chenopodium californicum C. L. Hitchcock 1966-3-16 24192 Riverside hills about 5 mi ne Aguanga Comment
  UCR16111  Chenopodium californicum Charles Herrick 1974-5-2 s.n. Riverside 1/4 mi south of Calimesa turnoff of Freeway 10 655 Comment
  UCR249814  Chenopodium californicum T. B. Salvato, John Lovio 2013-3-19 7352 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA556505  Chenopodium ficifolium Julie Greene 1993-4-3 1082 Riverside [Unspecified] 440 Comment
  JOTR34079  Chenopodium fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2975 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
  UCR265473  Chenopodium fremontii Jordan Zylstra 2014-8-17 14023 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  POM508526  Chenopodium murale Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  SD227793  Chenopodium murale Scott D. White, Pam Devries 1998-2-9 6081 Riverside La Quinta/ Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing 17 Comment
  UCR166724  Chenopodium murale Scott D. White, Jennifer H. Jones 2005-4-12 10862 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  UCR111753  Chenopodium pratericola S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR156372  Chenopodium pumilio T. B. Salvato, Kent Beaman 2005-5-16 865 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
  LA204144  Chilopsis linearis subsp. arcuata Louis Wheeler; 1933-12-1 2281 Riverside San Gorgonio Pass, San Gorgonio wash at S.P. RR 640 Comment
  SBBG68705  Chilopsis linearis subsp. arcuata M. N. Ackley 1928-3-31 21 Riverside Painted Cyn 30 Comment
  UC574980  Chilopsis linearis subsp. arcuata C. Epling and Wm. Robison 1933-6-24 Riverside San Gorgonio Wash Little San Bernardino Mts., San Gorgonio Wash Comment
  UCR123659  Chilopsis linearis subsp. arcuata Steven R. Hill 2001-5-3 33649 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 1.0-1.5 mi SW of Calif. Hwy 111, Palm Springs.Boundary of Palm Springs Aerial Tramway property, at entrance gate 610 Comment
  CLARK-A1528-3047  Chimaphila menziesii John C. Roos 1943-8-8 2697 Riverside San Jacinto Mountains Comment
  RSA727605  Chloris virgata R. E. Riefner 2006-9-19 06 -447 Riverside Peninsular Range: Temecula Valley, along I-15 Freeway near Temecula Creek. 301 Comment
  RSA660944  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area: Diamond Valley, along State Street (R3) ca. 1/2 mi. N of Newport Rd., S of Hemet 488 Comment
  RSA314444  Chorizanthe brevicornu var. brevicornu Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55432 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  CAS-BOT-BC191855  Chorizanthe corrugata A. C. Sanders; E. J. Lawlor 1992-4-4 12135 Riverside McCoy Mountains, within 1/2 mail of McCoy Spring. Colorado Desert 243 Comment
  JOTR36428  Chorizanthe corrugata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3401 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
  RSA0026169  Chorizanthe corrugata Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17714 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  SEINET4182863  Chorizanthe corrugata N. Holmgren, P. Holmgren, R. Kern 1973-3-23 6489 Riverside Palen Valley, 15 miles northeast of Desert Center 183 Comment
  UCR116696  Chorizanthe fimbriata George K. Helmkamp 1974-7-16 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  UCR97696  Chorizanthe fimbriata A. C. Sanders, G. Helmkamp 1997-3-15 19929 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 537 Comment
  SDSU13527  Chorizanthe fimbriata var. fimbriata W. Miller with C. Mosse 1972-7-20 Riverside Comment
  SEINET7288902  Chorizanthe fimbriata var. laciniata Russell S. Woglum 1941-5-17 3052 Riverside Sonoran Desert/ Peninsular Ranges Transition: Horse Canyon, off Coyote Canyon Comment
  CAS-BOT-BC191346  Chorizanthe leptotheca Edmund C. Jaeger 1932-5-12 s.n. Riverside Sage, S of Hemet 762 Comment
  UCD99733  Chorizanthe leptotheca R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  JEPS57785  Chorizanthe parryi var. parryi W. L. Jepson 1935-4-19 17073 Riverside San Gorgonio Pass Comment
  SD134409  Chorizanthe parryi var. parryi Craig Reiser 1991-4-25 Riverside Just S of Harford County Park and Idaleona Road Comment
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Jul 11 2010
  UCR217496  Chorizanthe polygonoides var. longispina Lee A. Ripma, Jeff B. Galvin 2008-5-21 100 Riverside Palomar Mtns, Agua Tibia, west of Woodchuck Rd., east of Pechanga Indian Reservation 792 Comment
  UCR228837  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato 2011-4-27 39336 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UCR256742  Chorizanthe polygonoides var. longispina T. B. Salvato, Matthew Malle 2013-4-11 7531 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  SD137671  Chorizanthe procumbens Darin L. Banks, Steve Boyd 1995-5-9 356 Riverside NW Palomar Mountains, north of the Agua Tibia Wilderness Area, north slope of agua Tibia Mountain, the Dorland Mountain Area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 730 Comment
  UCR217499  Chorizanthe procumbens var. albiflora Lee A. Ripma, Jeff B. Galvin 2008-5-21 99 Riverside Palomar Mtns, Agua Tibia, west of Woodchuck Rd., east of Pechanga Indian Reservation 792 Comment
  JOTR36451  Chorizanthe rigida La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3421 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
  UCR114146  Chorizanthe rigida B. G. Pitzer, J. Ross 1998-3-8 3618 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UC449702  Chorizanthe staticoides Mrs. Lottie M. Wilder 1903-6-4 44 Riverside Wilder's Comment
  UCR35829  Chrysopsis villosa var. fastigiata R. F. Thorne, Et al 1982-10-8 55400 Riverside San Bernardino Mtns, side canyon on W side of Whitewater Cyn, c. 3.3 mi. north of Whitewater Post Office. 610 Comment
  RSA781915  Chrysothamnus paniculatus Duncan S. Bell 2010-5-1 895 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR89596  Chrysothamnus teretifolius Bern Schwenn 1994-4-29 s.n. Riverside Little San Bernardino Mtns., Joshua Tree National Park, E side of Lost Horse Valley, along California Riding & Hiking Trail, east of Ryan Campground. At junction of trail with old road from Lost Horse Well to Lost Horse Mine, just west of Pass. 1329 Comment
  UCR56326  Cicer arietinum J. C. Hitchcock 1989-4-12 s.n. Riverside University of California, Riverside, next to the Agricultural Operations Buildings, [south] of Pennsylvania Ave. 309 Comment
  UCR165605  Cirsium occidentale var. californicum T. B. Salvato, John F. Green 2004-5-27 707 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
  UCR91726  Cirsium occidentale var. occidentale A. C. Sanders, J. Goetzen 1996-5-1 18128 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA438784  Cirsium scariosum Gale Sphon 1955-5-21 s.n. Riverside Hemet Meadow. Comment
  SBBG133363  Cirsium scariosum var. citrinum S. D. White, J. M. Wood 2008-5-15 11975 Riverside Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom, San Jacinto Mtns 1357 Comment
  UC30798  Cirsium scariosum var. congdonii H. M. Hall 1899-5-1 Riverside Cahuilla Comment
  RSA466603  Cistanthe monandra N. C. Cooper 1944-6-17 1423 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA483570  Cistanthe monandra D. Charlton 1988-5-21 1952 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA4964  Cistanthe monandra C. B. Wolf 1932-4-27 3033 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  RSA740633  Cistanthe monandra Scott D. White, Justin M. Wood 2008-6-18 12207 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  RSA585517  Clarkia epilobioides D. L. Banks, Steve D. Boyd 1995-5-9 381 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  RSA768245  Clarkia purpurea subsp. quadrivulnera Justin M. Wood 2010-5-19 1842 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  SEINET3224405  Clarkia purpurea subsp. quadrivulnera G. Goodwin 2012-6-15 3459 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UC1520010  Clarkia purpurea subsp. quadrivulnera Robert Gustafson, Gary Wallace 1983-6-23 2718 Riverside Mesa de Burron Santa Ana Mts., Santa Rosa region 701 Comment
  CHSC109027  Claytonia parviflora Duncan S. Bell; Joy England 2010-5-17 1003 Riverside insular ranges; San Jacino Mountains regions: San Bernardino National Forest: Rouse rrdge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potentail habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  SD138016  Claytonia parviflora subsp. viridis Darin L. Banks 1995-5-3 240 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along Arroyo Seco 512 Comment
  RSA314403  Clematis ligusticifolia Robert F. Thorne, Kay L. Wright, Ricahrd K. Benjamin 1982-10-8 55396 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  SEINET244779  Clematis pauciflora A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-8 24203 Riverside Perris-Aguanga Basin; S of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  SBBG45110  Collinsia concolor R. N. Muller, S. Lindsey 1967-5-11 Riverside 0.8 mi S of rd to top of Box Springs Mtns from its jct with Pigeon Pass Rd Comment
  SD244244  Collinsia concolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40744 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-5 Freeway, southeast of Corona (Lee) Lake (Aberhill 7.5') 377 Comment
  SJSU11586  Collinsia concolor N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 3.5 mi E of E shore, Lake Elsinore Comment
  UCR84599  Collinsia heterophylla Scott D. White, S. Ogg 1994-4-21 1967 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  GMDRC6572  Collomia grandiflora J. M. Andre 2012-6-15 30528 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  UCR268293  Collomia grandiflora Jim Andre 2012-6-15 30528 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  HSC47411  Colubrina californica Richard Spjut, C. E. Edson 1978-4-25 4955 Riverside Colorado Desert, N face of Chuckawalla Mtns. 2.7 mi S of Desert Center 335 Comment
  JOTR35329  Colubrina californica Harding, Mitzi, Mark Wheeler 2012-2-28 96 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  JOTR35330  Colubrina californica Harding, Mitzi, Mark Wheeler 2012-2-28 96 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  SBBG54139  Colubrina californica C. S. Jones 1979-3-27 41 Riverside wash ca. 5 mi N of Interstate 10, 4 mi W of Desert Center 426 Comment
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Mar 15 2013
  SBBG101698  Conium maculatum S. Boyd, T. Ross 1991-6-14 6378 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  CAS-BOT-BC216024  Convolvulus Steve Boyd 1986-5-1 1787 Riverside Hill W of Skunk Hollow, Skunk Hollow vernal pool, Southwestern Perris Basin Comment
  UCR250094  Convolvulus simulans A. C. Sanders 2014-4-18 41038 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Horsethief Canyon Road and Glen Eden 372 Comment
  RSA552765  Conyza canadensis Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6751 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  UCR123601  Conyza canadensis D. E. Bramlet 2000-8-30 3072 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  POM10039  Conyza coulteri E. A. Zumbro 96 Riverside Cold Water Canyon, bridge over old canal. Comment
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Apr 10 2016
  UCR140710  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region, Alberhill Mountain, former clay mine area c. 1 mile SE of Alberhill 439 Comment
  RSA5221  Corallorhiza maculata Carl B. Wolf 1932-8-5 3946 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2622 Comment
  UCR132920  Cordylanthus rigidus John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA0011007  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Ryan Parker 2010-6-1 1231 Riverside San Bernardino National Forest: Rouse Ridge, approximately 2.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 992 Comment
  CAS-BOT-BC287876  Coreopsis californica C. L. Hitchcock; C. V. Muhlick 1964-3-17 23091 Riverside 3 miles SE of Glen Ivy Hot Springs Comment
  SEINET904989  Coreopsis californica Lewis S. Rose 1949-1 Riverside 4 miles north-west of Alberhill, desert wash 304 Comment
  POM356170  Corethrogyne filaginifolia H. de Forest, Jack Rempel 1933-10-29 18687 Riverside Snow Creek Canyon, San Jacinto Mts. 526 Comment
  CAS-BOT-BC291361  Cotula coronopifolia Mrs. J. D. Abrams 1901-5-23 s.n. Riverside Elsinore Comment
  CAS-BOT-BC427598  Crassula aquatica Robert F. Thorne; Earl Lathrop 1969-5-12 37923 Riverside Santa Rosa Plateau: on S end of Mesa de Colorado, Rancho California. 624 Comment
  SBBG120133  Crassula connata A. C. Sanders with K. Volansky 2005-3-17 29202 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
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Mar 20 2011
  UCR225436  Crassula connata A. C. Sanders, T. B. Salvato 2011-3-29 38880 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  UC831110  Crassula connata var. erectoides C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4731 Riverside Gavilan Peak 600 Comment
  UCR280823  Cressa truxillensis T. B. Salvato, Gregg Miller 2005-6-3 1367 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  CAS-BOT-BC334202  Crinodendron patagua O. F. Clarke 2007-6-3 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  UC1929467  Crocanthemum scoparium Scott D. White, Michael Honer 2003-6-3 9469 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  RSA621537  Crossosoma bigelovii B. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3562 Riverside San Bernardino Mountains: Wildlands Conservancy's Mission Creek Preserve. 762 Comment
  SDSU13531  Croton californicus W. Miller with C. Mosse 1972-7-12 Riverside West of M.W.D. Station. Comment
  UCR20828  Croton californicus A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1296 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
  CLARK-A1656-886  Croton californicus var. mohavensis Jim Cornett 1977-6-25 Riverside Desert Hot Springs Comment
  RSA314490  Croton californicus var. mohavensis R. F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55357 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR241816  Cryptantha A. C. Sanders, Timothy W. Chumley 2013-4-2 40751 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake 396 Comment
  JOTR28788  Cryptantha angustifolia La Doux, Tasha 2005-3-30 1057 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR31768  Cryptantha angustifolia Andre, Jim, Tasha La Doux 2009-3-10 11236 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA650994  Cryptantha angustifolia David B. Dunn, H. Lint 1955-4-1 11832 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
  SBBG81513  Cryptantha angustifolia S. A. Junak 1983-3-23 1616 a Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SD126015  Cryptantha angustifolia F. R. Fosberg 1928-3-17 5141 Riverside Thousand Palms Canyon 60 Comment
  UC857066  Cryptantha angustifolia Mary F. Spencer 1922-4-8 2066 a Riverside near Palm Springs; Colorado Desert 121 Comment
  SEINET10455851  Cryptantha angustifolia David B. Dunn 1946-3-15 Dunn 2044 Riverside On same sheet as Dunn 3732, UMO 47597. 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
  POM368290  Cryptantha barbigera I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Colorado Desert. 366 Comment
  RSA339315  Cryptantha barbigera R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54031 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  UCR167272  Cryptantha barbigera John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  RSA781913  Cryptantha barbigera var. barbigera Duncan S. Bell 2010-5-1 896 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
  UCR226581  Cryptantha barbigera var. fergusoniae Jim Andre 2011-2-18 15827 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  JOTR29581  Cryptantha circumscissa Andre, Jim 2006-4-6 6694 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  UCSB18779  Cryptantha circumscissa Lean, Jr., Steve 1963-5-5 Riverside California Highway 74, 10. 2 miles SW of Palm Desert 883 Comment
  UCR177938  Cryptantha clevelandii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 527 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR182318  Cryptantha corollata Mitch Provance 2003-4-5 6619 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  UCR183022  Cryptantha corollata Mitch Provance 2005-5-27 4600 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  RSA780960  Cryptantha costata Stephanie Rockwood, Christi Gabriel 2011-12-14 219 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  UCR224998  Cryptantha costata Dave Silverman, A. C. Sanders 2010-3-23 7817 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes Dr., 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  RSA699333  Cryptantha decipiens J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  RSA0124745  Cryptantha inaequata Duncan S. Bell, LeRoy Gross 2016-3-9 8840 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  JEPS67662  Cryptantha intermedia W. L. Jepson 1914-5-25 6084 Riverside near Redlands (between Beaumont and Redlands); San Timoteo Canyon Comment
  RSA699335  Cryptantha intermedia J. R. Bruff 1927-3-12 s.n. Riverside Fingal Comment
  RSA741564  Cryptantha intermedia Scott D. White, Justin M. Wood 2008-6-16 12144 Riverside Meadow at Quinn Flat. 1378 Comment
  UC24685  Cryptantha intermedia Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR107399  Cryptantha intermedia B. G. Pitzer 1997-3-23 2987 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR120943  Cryptantha intermedia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24915 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR240619  Cryptantha intermedia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 439 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR27193  Cryptantha intermedia Marlyce Myers 1980-4-21 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi NW of Perris 518 Comment
  UCR84652  Cryptantha intermedia Scott D. White 1994-4-21 1949 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SEINET12280822  Cryptantha intermedia H. M. Hall 1902-1 2944 Riverside 366 Comment
  UC180100  Cryptantha maritima H. M. Hall Apr 1905 5786 a Riverside 10 mi w Coachella; Marshall Canyon 30 Comment
  UCR138588  Cryptantha maritima Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1318 Riverside Western Colorado Desert, Mecca Hills: Painted Canyon north of Hwy 195 Comment
  JEPS67968  Cryptantha micrantha W. L. Jepson 1901-5-19 1295 Riverside near Chalk Hill (on road to Strawberry Valley); San Jacinto Mt. 1676 Comment
  POM249904  Cryptantha micrantha E. C. Jaeger 1938-5-30 s.n Riverside Mission Creek crossing, Morongo Road. Comment
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May 5 2013
  RSA543953  Cryptantha micromeres Steve Boyd 1991-5-9 6185 a Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  SBBG101668  Cryptantha micromeres S. Boyd 1991-5-20 6274 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary 573 Comment
  RSA676087  Cryptantha microstachys Scott D. White 2001-4-13 8325 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UC280510  Cryptantha muricata C. R. Orcutt Apr 1889 Riverside Colorado Desert Comment
  UC729470  Cryptantha muricata Carl B. Wolf 1932-8-6 Riverside 2.9 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  UCR93063  Cryptantha muricata A. C. Sanders, S. Ogg 1994-7-28 15172 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA0079419  Cryptantha muricata var. jonesii Steve Boyd 1992-4-15 6883 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  POM118684  Cryptantha nevadensis Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. 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
  UCSB40036  Cryptantha pterocarya Cowan, Clark 1978-4-23 Riverside 12.1 mi. S. on Hwy. 74 from its jct. with Hwy. 111 at Indian Wells 950 Comment
  UCR19091  Cryptantha pterocarya var. cycloptera 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
  UCR279491  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2017-3-25 43002 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR52020  Cryptantha pterocarya var. cycloptera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2159 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  POM13261  Cryptantha racemosa E. C. Jaeger 1922-3-4 1109 Riverside Painted Canyon near Mecca. Comment
  JOTR30922  Cryptantha utahensis La Doux, Tasha, Bill Truesdell 2008-4-29 2597 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  RSA339324  Cryptantha utahensis R. F. Thorne, C. W. Tilforth 1980-5-28 54206 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  SBBG28778  Cryptantha utahensis C. L. Hitchcock 1940-3-29 5867 Riverside Cottonwood Cyn, ca. 100 yrds E of Spring Comment
  UC857297  Cryptantha utahensis C. L. Hitchcock 1940-3-29 5856 Riverside ca 100 yds e Cottonwood Spring; Cottonwood Canyon 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
  POM204501  Cucurbita palmata M. French Gilman 1934-10-3 s.n. Riverside Cabazon. Comment
  UC28913  Cucurbita palmata Geo. R. Hall 1901-9-1 Riverside Riverside Comment
  POM70787  Cuscuta californica Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA795921  Cuscuta denticulata Duncan S. Bell 2009-4-19 289 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR127528  Cuscuta denticulata Bern Schwenn 1994-3-21 s.n. Riverside Transverse Range/Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of Pushawalla Canyon 549 Comment
  POM48532  Cuscuta salina P. A. Munz 1924-6-21 8202 Riverside On Cressa, alkaline dry flats, Lake Elsinore. 372 Comment
  UCSB42263  Cycloloma atriplicifolium Roos, John 1965-9-26 Riverside Indio Comment
  SEINET5624462 Image available Cylindropuntia chuckwallensis Marc A. Baker, with Michelle Cloud-Hughes, Glenn Rink, Dina Robertson & Neal Kramer 2011-5-1 17305 Riverside Chuckwalla Mountains, 62km WSW of Blythe, 1km west of Chuckwalla Spring 600 Comment
  RSA0119883  Cynodon dactylon Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9077 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA678503  Cynodon dactylon Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  UCR277722  Cyperus difformis Mitch Provance 2012-11-3 1112- 09 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  UCR111755  Cyperus eragrostis S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR94957  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  CAS-BOT-BC113964  Cyperus odoratus Frederick Morris Reed 1903-12-13 413 Riverside Bog above Bollingers Dam. Arroyo Chico. Comment
  SBBG94682  Cyperus odoratus S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 mi (airline) SW of Temecula, on Via Yerba Rd, E of Vaquero Rd Comment
  UCR92351  Cyperus odoratus Scott D. White, S. Ogg 1994-10-17 2460 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  UCR240181  Cyperus retrorsus R. E. Riefner Jr. 2005-11-23 05- 780 Riverside city of Corona, Santa Ana Canyon, below Prado Dam, Santa Ana River c. 0.5 mi southwest of 71 Fwy 135 Comment
  UC218657  Cystopteris fragilis P. A. Munz and I. M. Johnston 1922-5-19 5386 Riverside 3 mi w Keen Camp; San Jacinto Mts 1493 Comment
  RSA703453  Dactyloctenium aegyptium R. E. Riefner Jr. 2004-7-30 4 -281 Riverside City of Norco, Sixth Street at Sierra Avenue. USGS 7.5' Quad: Corona North. 200 Comment
  RSA0045573  Dalea californica Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs 138 Comment
  UCR114118  Dalea mollissima B. G. Pitzer, J. Ross 1998-3-8 3613 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR138566  Dalea mollissima Steve Boyd, Orlando Mistretta 1986-3-13 1467 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UC537050  Danthonia unispicata M. E. Jones Sept. 1933 Riverside San Jacinto Mts. Comment
  LA11686  Dasyochloa pulchella Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  RSA709874  Dasyochloa pulchella Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4618 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR244889  Datura discolor A. C. Sanders, T. B. Salvato 2012-10-12 40406 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  RSA525681  Daucus pusillus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4552 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR250194  Daucus pusillus A. C. Sanders 2014-4-8 40984 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
  POM360342  Deinandra fasciculata J. D. Olmsted 1962-5-10 3609 Riverside Lake Matthews Road ca. 0.5 mile W of dam. 427 Comment
  UC1929933  Deinandra fasciculata Scott D. White, Michael Honer 2003-5-27 9403 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  UC76428  Deinandra kelloggii Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  UCR252762  Deinandra mohavensis Ana Hernandez, John Dvorak 2011-8-9 029 Riverside San Jacinto Mountains, Hwy 243, 2.8 km north of Mountain Center 1580 Comment
  SD234297  Deinandra paniculata Kent Beaman 1998-9-1 Riverside Peninsular Range; Gavilan Plateay: west of Perris off Ellis Rd., Santa Rosa Mine Rd., near Maywood 518 Comment
  SD237330  Deinandra paniculata John F. Green 2009-7-13 Riverside Peninsular Range: Elsinore Trought, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UC1979620  Deinandra paniculata D. L. Banks, Steve Boyd 1995-10-26 0829 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Alongt he Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. Comment
  UCR274535  Deinandra paniculata Mitch Provance, Ken Halama 2003-6-15 17067 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA763765  Delphinium parryi Doris Bowers 1972-4-15 1843 Riverside Pulgas Creek Canyon, Rancho California. 396 Comment
  UCR104157  Delphinium parryi subsp. parryi Scott D. White 1997-5-25 5230 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
  OBI11830  Dendromecon rigida Tracey & Viola Call, Viola Call 1962-4-13 2133 Riverside Tin Mine Cyn, ridge above skyline dr 732 Comment
  RSA581749  Dendromecon rigida M. Wall 1995-4-13 98 Riverside San Jacinto Mountains, along Hwy 243, 6.95 miles south of Interstate 10 out of Banning, road pull out by dirt road, 1993 burn area. Comment
  RSA652537  Dendromecon rigida R. Garner 1974-7-15 s.n. Riverside San Jacinto Mts. Comment
  UCR97270  Deschampsia danthonioides var. gracilis Scott D. White 1993-4-30 1319 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  CLARK-A1656-708  Descurainia pinnata Theo Glenn 1979-2-11 Riverside San Jacinto Mountains 365 Comment
  SBBG2468  Descurainia pinnata H. and M. Dearing 1942-3-1 4804 Riverside Cathedral City Comment
  SBBG28426  Descurainia pinnata D. Myrick 1964-4-30 835 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert Comment
  POM6595  Descurainia pinnata subsp. menziesii P. A. Munz, L. T. Street, Williams 1919-3-25 2305 Riverside Palm Canyon. 229 Comment
  UCR262453  Dianthus armeria O. F. Clarke 2007-7-26 s.n. Riverside San Jacinto Mtns., Lake Fulmor 1628 Comment
  CAS-BOT-BC402296  Dicentra chrysantha Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CHSC633  Dicentra chrysantha E. Thomas 1941-5-11 Riverside Elsinore. 396 Comment
  CSUSB964  Dicentra chrysantha Richard Sayre 1972-5-7 Riverside Santa Rosa Road 7 miles from Murietta. Comment
  RSA652531  Dicentra chrysantha R. Garner 1974-7-1 s.n. Riverside San Jacinto Mts. Comment
  UC9920  Dicentra chrysantha H. M. Hall 1901-8-6 2630 Riverside Chalk Hill; San Jacinto Mountains; Richland 1432 Comment
  UCR176891  Dicentra chrysantha Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR166175  Dichelostemma capitatum John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  CAS-BOT-BC500849  Dichelostemma capitatum F. O. Ballou 1926-2-28 s.n. Riverside Murray Canyon Comment
  CAS-BOT-BC292183  Dicoria canescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  POM248382  Dicoria canescens E. Harvey 1939-1 s.n. Riverside Cathedral City. Comment
  RSA770883  Dicoria canescens Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4639 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA775090  Dicoria canescens Duncan S. Bell, Amber Swanson 2011-2-18 2040 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR117345  Dimorphotheca sinuata Mitch Provance 1998-3-21 247 Riverside Glen Avon, Jurupa Rd., c. 0.25 miles west of Camino Real. 244 Comment
  SD137607  Diplacus aurantiacus Darin L. Banks, Steve Boyd 1995-6-2 558 Riverside Cleveland National Forest; Agua Tibia Wilderness area N face of N peak of Agua Tibia Mountain; on Woodchuck Trail N of the Riverside County boundary Ao mi S of clay grasslands 901 Comment
  CHSC97907  Diplacus bigelovii var. bigelovii LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1417 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; Corn Springs Campground in the Chuckwalla Moutains. Canyon southwest of Campground. Near 33deg37'32'N, 115deg19'35'W elevation 1574 ft to 33deg36'52'N, 115deg19'54'W, elevation 1800 feet. 479 Comment
  RSA0019404  Diplacus fremontii Kim Robinson 1990-5-26 13 Riverside Highway 243, heading S toward Idyllwild, at the turn-out directly across from Skyland Ranch. 1524 Comment
  CAS-BOT-BC150672  Diplacus longiflorus Steve Boyd 1986-4-22 1749 Riverside Temescal Canyon: just south of Interstate 15 Comment
  SD43545  Diplacus longiflorus P. C. Everett 1945-6-7 11500 Riverside along roadside, Santa Ana Mts., Indian Canyon, along Indian Canyon Truck Trail 640 Comment
  POM87299  Ditaxis claryana Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA0021693  Ditaxis claryana J. Andre 2013-3-27 24823 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  JEPS52442  Ditaxis lanceolata W. L. Jepson and H. M. Hall 1901-5-22 1400 Riverside Palm Canyon of Mt. San Jacinto and return to Van Deventer's; Mt. San Jacinto, Palm Canyon Comment
  POM47249  Ditaxis lanceolata Mary F. Spencer 1920-3-18 1480 Riverside Near Palm Springs 152 Comment
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Nov 19 2011
  UCR211501  Ditaxis neomexicana Jim Andre, T. La Doux 2008-9-13 10269 Riverside Sonoran (Colorado) Desert, Eagle Mountains at Joshua Tree National Park boundary, along aqueduct access road 355 Comment
  UCR248428  Ditaxis serrata Duncan S. Bell 2011-12-30 3040 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  POM305626  Dithyrea californica Henry J. Ramsey, Henry J. Ramsey 1937-2-26 873 Riverside Whitewater. Comment
  RSA3977  Dithyrea californica C. B. Wolf 1932-4-29 3115 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  RSA510057  Dithyrea californica B. Pitzer, Steve Myers, J. Wilkinson 1988-2-21 598 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  SEINET7073337  Dodecatheon clevelandii A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  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
  CLARK-A1045-151  Downingia concolor subsp. brevior George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains beside road; vernal pool near origin of creek; Wildomar 7.5'Q Comment
  UC729877  Draba corrugata var. saxosa Carl B. Wolf 1932-8-5 3979 Riverside summit San Jacinto Peak San Jacinto Mts., summit San Jacinto Peak 3293 Comment
  RSA0102549  Draba cuneifolia Duncan S. Bell 2010-10-23 1989 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in the central section of the range to the west of Priest Mine. 420 Comment
  UCR97294  Draba cuneifolia Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4120 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  UCR18804  Draba cuneifolia var. integrifolia John C. Roos 1952-2-29 5369 Riverside San Bernardino Valley, [upper] Reche Canyon 549 Comment
  POM262939  Draba saxosa J. C. Roos 1937-8-18 495 Riverside Forest near Hidden Lake, San Jacinto Mts. Comment
  UCR25369  Dryopteris arguta John C. Roos 1952-4-13 5519 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  RSA304575  Dudleya abramsii A. C. Sanders 1981-7-11 2205 Riverside Bull Canyon Road just inside the Forest Service boundary. Comment
  UC1015383  Dudleya alainae Reid Moran 1947-5-10 2182 Riverside 1.5 mi from Hwy (Santa Rosa Rd) 1676 Comment
  CAS-BOT-BC411416  Dudleya lanceolata K. Nakai 1981-6-4 773 Riverside Temecula River Canyon, ca. 1/4 mi. W of Hwy I-15 on N facing slope Comment
  UCR127557  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2003-5-21 26788 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
  RSA191407  Dudleya pulverulenta E. W. Lathrop, R. F. Thorne 1967-9-26 6619 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  HSC47382  Dudleya saxosa subsp. aloides Richard Spjut, C. E. Edson 1978-5-5 5017 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. 915 Comment
  RSA397782  Dudleya saxosa subsp. aloides Jack Rempel 1933-3-26 17583 Riverside Near Morongo Valley. Comment
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Jun 14 2012
  RSA0125225  Echinocereus engelmannii var. engelmannii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon.Fern Valley, San Jacinto Mtns Comment
  SEINET3928586  Echinochloa colona Sears 1977-10-13 S 605 Riverside Wiley's Well exit off Interstate 10 near Playa Lake.; 0 122 Comment
  UCD61060  Echinochloa muricata var. microstachya H. S. Yates 1937-6-27 6707 Riverside San Jacinto, near Relief Hot Springs. 457 Comment
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Mar 13 2011
  CDA4578  Eclipta prostrata Gene Drake 1975-7-3 Riverside Riverside Canal, Nixon at McKinley, Riverside. 0 Comment
  RSA0036471  Ehrendorferia chrysantha J. M. Andre 2012-6-15 30500 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  UCR25217  Elatine brachysperma John C. Roos 1937-8-18 2538 Riverside San Jacinto Mtns, Hidden Lake Comment
  UCSB69895  Elatine californica Thorne, Robert 1973-5-23 Riverside Santa Rosa Plateau - Mesa de Colorado 609 Comment
  CAS-BOT-BC112744  Eleocharis geniculata A. C. Sanders; P. MacKay; G. Helmkamp; J. Stewart; C. L. Sanders 1994-12-1 15888 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity. -30 Comment
  POM319701  Eleocharis montevidensis var. montevidensis Patricia Wilder 1979-10-30 4834 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. East of Chino Hills. Santa Ana River Drainage Area. 152 Comment
  RSA708179  Eleocharis parishii Scott D. White, Angelia Carey 2004-5-7 10323 Riverside Indian Creek and adjacent foothills. 549 Comment
  SD187318  Elymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside San Jacinto Mountain foorhills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  UCR199745  Elymus condensatus Scott D. White, Justin Wood 2008-5-29 12041 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  RSA741059  Elymus elymoides Scott D. White, Justin M. Wood 2008-6-5 12066 Riverside Quinn Flat Meadow. 1372 Comment
  CLARK-A1528-4605  Elymus glaucus John C. Roos 1937-5-10 2336 Riverside Lake Elsinore Comment
  UCR137607  Elymus glaucus subsp. virescens Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2262 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR2370  Elymus triticoides H. S. Fawcett 1913-12-24 1108 Riverside West Riverside, along main road, Santa Ana River flats 244 Comment
  UCR2371  Elymus triticoides F. M. Reed 1904-6-5 167 Riverside Riverside, outlet to dam in Fairmont Park Comment
  RSA618394  Emmenanthe penduliflora D. L. Banks 1997-5-5 1969 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCSB9699  Emmenanthe penduliflora Leeuwen, Henry 1957-4-13 Riverside On West slope of Whitewater Canyon 2 miles from U.S. 60 Comment
  RSA613867  Emmenanthe penduliflora B. Pitzer 1997-4-11 3116 Riverside Lakeview Mtns Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. Approx. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM Nelson) 610 Comment
  SBBG6075  Emmenanthe penduliflora var. penduliflora C. H. Muller 1952-4-5 9493 Riverside White Water Cyn, 1 mi above White Water Comment
  POM301791  Encelia actoni J. Cole 1942-5-19 969 Riverside White Tanks, Joshua Tree National Monument. 1280 Comment
  POM320503  Encelia actoni Patricia Wilder 1971-9-29 5280 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
  UCR158506  Encelia actoni A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30042 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
  UCR26134  Encelia actoni John C. Roos 1947-3-15 3342 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  UCSB12291  Encelia californica Tarwater, Shirley 1961-3-30 Riverside 5 miles from Highway 71, on Lake Matthews Rd. 152 Comment
  CAS-BOT-BC131315  Encelia farinosa N. Artkenhead 1977-2-2 2115 Riverside 1 mi. from junction of J.T. Mon. Rd. and pipeline Comment
  CAS-BOT-BC131316  Encelia farinosa Marian L. Campbell 1921-3-29 71 Riverside Palm Springs Comment
  CAS-BOT-BC131346  Encelia farinosa W. R. Dudley 1903-12-26 s.n. Riverside Palm [Canon] Canyon Comment
  HSC84168  Encelia farinosa B. Pitzer, L. F. LaPre 1987-3-2 421 Riverside Bundy Canyon; ca. 2 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd. off Raciti Rd. 701 Comment
  SBBG25003  Encelia farinosa D. Myrick 1966-4-1 1320 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  RSA308544  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3151 Riverside 10 miles east of Indio. Comment
  UCR144745  Encelia frutescens var. frutescens Scott D. White 2001-4-18 8363 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  JEPS49102  Ephedra Dr. L. M. Newlon 1922-4-3 442 Riverside Andreas Canyon Mt. San Jacinto, Andreas Canyon Comment
  RSA336056  Ephedra aspera Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52061 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  RSA374212  Ephedra aspera S. Carlquist 1987-4-5 15922 Riverside In sandy flats and depressions around Cottonwood Springs, Joshua Tree National Monument. Comment
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Oct 9 2010
  UCR41523  Ephedra aspera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6096 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SEINET269422  Ephedra californica G. Helmkamp 1994-3-8 41 -6 Riverside Indio Hills. southwest facing slope at the junction of Palm Drive and Varner Road below Edom Hill 300 Comment
  SEINET8714360 Image available Ephedra californica F. A. Thackery 1928-1 254 A Riverside White Water Comment
  SEINET3867763  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6477 Riverside Rice Valley, 30 miles south-southwest of Rice.; 0 244 Comment
  RSA234109  Ephedra viridis Robert F. Thorne, R. Carolin 1967-3-21 41639 Riverside Joshua Tree National Monument: Cottonwood Springs 915 Comment
  LA206124  Epilobium canum subsp. latifolium Carl Epling; 1927-3-27 sn Riverside Palm Springs Comment
  UC57540  Epilobium canum subsp. latifolium H. M. Hall 1897-7-30 763 Riverside El Toro Peak San Jacinto Mountains, Santa Rosa Mt. 2499 Comment
  RSA0125180  Epilobium ciliatum Duncan S. Bell 2016-10-27 10206 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA191397  Epilobium ciliatum subsp. ciliatum E. W. Lathrop, Thorne 1967-9-26 6644 Riverside 6 miles NW of Murrieta. Comment
  IRVC2717  Epipactis gigantea Mike McCartin 1965-4-17 s.n. Riverside Palm Springs; Andreas Canyon. Sonoran Desert/Peninsular Ranges Comment
  RSA774720  Equisetum hyemale var. affine Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4455 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
  MACF022019  Equisetum laevigatum Katherine Jizba 1977-4-30 Riverside Roadside in Pine Cove Rt. 1 Comment
  RSA684631  Equisetum laevigatum Norman C. Cooper 1177 Riverside Whitewater Canyon. 457 Comment
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Jun 26 2008
  RSA684637  Equisetum laevigatum Gale Sphon 1956-6-13 s.n. Riverside Hemet Meadow, Mountain Meadow Comment
  SDSU1959  Equisetum laevigatum Graham A. Cribbs 1962-7-28 116 Riverside Taken from meadow adjacent to Lake Hemet in the San Jacinto mountains. 1372 Comment
  UC1930143  Equisetum laevigatum Scott D. White, Justin Wood 2008-5-15 11977 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  RSA503417  Equisetum telmateia var. braunii J. Olmstead 1962-5-10 3629 Riverside Coldwater Canyon (western Riverside Co.) 396 Comment
  UCR116794  Eragrostis barrelieri A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24152 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR100575  Eragrostis mexicana subsp. mexicana George K. Helmkamp 1997-11-1 2518 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  CLARK-A1656-624  Eremalche rotundifolia Lois Ann Scott 1978-4-10 Riverside Mecca 152 Comment
  RSA432695  Eremalche rotundifolia Anstruther Davidson 1903-5-3 900 Riverside Thermal. Comment
  RSA432712  Eremalche rotundifolia Christopher Davidson 1979-4-4 7721 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UC634840  Eremalche rotundifolia H. L. Mason 1928-3-10 4201 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  SEINET11981651  Eremalche rotundifolia M. F. Spencer 1922-1 413 Riverside Cathedral Canyon, Palm Springs Comment
  RSA664936  Eremocarpus setiger J. C. Roos 1965-7-27 s.n. Riverside Elsinore. Comment
  SBBG28429  Eremocarya lepida D. Myrick 1964-4-30 816 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  RSA49365  Eremothera boothii subsp. condensata P. A. Munz 1949-4-11 13000 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  UC217952  Eremothera chamaenerioides P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4853 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  UC354496  Eremothera refracta Edmund C. Jaeger 1926-2-20 Riverside near Niland; Salt Creek Wash, Canyon Springs Comment
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Jan 21 2008
  UCR162890  Eriastrum A. C. Sanders, K. C. Rose 1995-4-5 16383 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CAS-BOT-BC514316  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2908 Riverside About halfway, on road between Banning and Strawberry Valley, Mt. San Jacinto 1524 Comment
  UCR98431  Eriastrum diffusum Theo Glenn 1991-5-8 91- 76 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA0042917  Eriastrum eremicum Duncan S. Bell, Evan Meyer 2014-4-2 6498 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SD28108  Eriastrum sapphirinum subsp. sapphirinum Carl B. Wolf 1932-8-4 3915 Riverside San Jacinto Mountains; Point View, near Idyllwild. 1646 Comment
  POM13596  Ericameria cuneata E. C. Jaeger 1922-8-20 s.n. Riverside Long Valley to Palm Springs Trail 1372 Comment
  UCR13709  Ericameria cuneata J. Zabriskie, N. Ryan Zabriskie 1972-10-21 543 Riverside Peninsular Range; San Jacinto Mtns., SE of S end Marion Ridge Rd., Pine Cove, SW drainage San Jacinto Mtns. 1921 Comment
  CDA37835  Ericameria linearifolia Mike Lahti 2012-5-1 PDR# 1590362 Riverside Ramsey Road, one mile east of Terwilliger Road, six miles south of Anza. 0 Comment
  UCD166230  Ericameria linearifolia Jack Major 1962-4-16 773 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  RSA696813  Ericameria monactis W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
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May 28 2014
  RSA714429  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Elsinore Basin Region: Alberhill Mountain, lower south-facing slopes southeast of the clay mining area. 450 Comment
  UCR92391  Ericameria palmeri var. pachylepis F. M. Reed 1925-1 5144 Riverside South Coast; San Bernardino Valley, Riverside: mesa on Arlington Heights (Lincoln Heights) 396 Comment
  HSC47477  Ericameria paniculata Richard Spjut 1978-11-21 5234 Riverside Colorado Desert; N of North Palm Springs along Indian Ave. Comment
  RSA736780  Ericameria parishii Scott D. White, Angelia Carey 2004-7-2 10559 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR94944  Ericameria parryi Scott D. White 1996-8-16 4488 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA747863  Erigeron divergens Justin M. Wood 2009-5-11 684 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  POM97995  Erigeron divergens E. C. Jaeger 1926-4-15 s.n. Riverside Desert Queen Mine 1220 Comment
  POM161198  Erigeron foliosus Hattie Wright 1929-6-25 s.n. Riverside Idyllwild, San Jacinto Mts. Comment
  UCR167831  Erigeron foliosus T. B. Salvato, Melissa Clemons 2005-6-2 1336 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCSB10378  Erigeron foliosus Haller, John 1950-5-20 Riverside Base of San Jacinto Mountains, Hemet, Idyllwild Road, opposite Cranston Ranger Station 609 Comment
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Apr 29 2011
  RSA456545  Eriodictyon crassifolium L. B. Ziegler 1969-7-1 s.n. Riverside Near Morris Ranch, Hemet Valley, San Jacinto Mtns. Comment
  UCR163814  Eriodictyon crassifolium John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  SD229191  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer 2012-5-22 716 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  RSA200065  Eriodictyon crassifolium var. nigrescens L. B. Ziegler 1967-7-25 s.n. Riverside Summit of Thomas Mtn, San Jacinto Mts. 2073 Comment
  UCR241663  Eriodictyon trichocalyx T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 331 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA754120  Eriogonum apiculatum W. Schlegel, Matt McDonald 2009-4-9 37 Riverside Idyllwild: Red Mountain Lookout and communications site on a hilltop. Comment
  SEINET4560254  Eriogonum apiculatum Louis Wheeler 1945-1 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  SEINET5328305  Eriogonum apiculatum J. L. Reveal, Barbara J. Ertter 1976-6-30 4569 Riverside Santa Rosa Mtns, along the dirt road to Santa Rosa Mtn. at Stump Spring Camp, about 13.5 mi SE of California Hwy 74, 2316 Comment
  CAS-BOT-BC242788  Eriogonum davidsonii Philip A. Munz 1937-5-29 15152 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  JOTR36396  Eriogonum davidsonii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3348 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  RSA666776  Eriogonum davidsonii George K. Helmkamp, E. A. Helmkamp 1998-6-27 4073 Riverside Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  RSA78246  Eriogonum davidsonii P. A. Munz, E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  UCR249001  Eriogonum davidsonii Elizabeth A. Kempton, Naomi Fraga, Tim Tibault, Valentin Arvizu 2006-6-7 384 Riverside San Jacinto Mountains, near Palm View Peak, just east of Forbes Ranch Road 1879 Comment
  JOTR34367  Eriogonum deflexum var. deflexum Andre, Jim 2012-4-16 20882 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  JEPS57021  Eriogonum elongatum var. elongatum Marjorie D. Clary 1932-9-22 1562 Riverside n Banning; San Gorgonio Mts. 914 Comment
  JEPS56956  Eriogonum fasciculatum var. flavoviride W. L. Jepson 1914-5-17 5986 Riverside Pinyon Well 762 Comment
  CAS-BOT-BC250135  Eriogonum fasciculatum var. polifolium A. C. Sanders; Mark Elvin; Vipul Joshi 2002-4-26 25034 Riverside The Badlands: west fork of Laborde Canyon near old rocket test facility 622 Comment
  RSA393348  Eriogonum fasciculatum var. polifolium M. B. Dunkle 1933-4-5 3371 Riverside Colorado Desert, Jack Rabbit Trail Comment
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Mar 21 2011
  RSA751631  Eriogonum fasciculatum var. polifolium G. Gust, L. Nye 2005-3-11 543 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  UC1463086  Eriogonum fasciculatum var. polifolium Arthur S. Barclay and Juan Arguelles 1965-3-22 1870 Riverside 10 mi se, along State Highway 74 State Highway 111 914 Comment
  UCR193976  Eriogonum gracile A. C. Sanders 2008-7-25 35911 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  JEPS121577  Eriogonum inflatum Adam C. Schneider with Will Freyman 2014-2-16 410 Riverside East side of Highway 177. Comment
  RSA698441  Eriogonum inflatum J. R. Bruff 1928-4-3 173 Riverside 13 miles W of Desert Center. Comment
  UCR72196  Eriogonum inflatum Theo Glenn 1991-5-20 91- 102 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  UC6361  Eriogonum molestum H. M. Hall July 1901 2624 a Riverside pine forests in vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA679189  Eriogonum nudum var. pauciflorum Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1455 Riverside East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  JOTR29274  Eriogonum plumatella La Doux, Tasha 2005-8-17 1544 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Barker Dam; near Wall Street Mill parking lot along trail heading toward Wonderland Wash 1319 Comment
  POM310394  Eriogonum pusillum Margaret Hardinge 1946-4-29 267 Riverside Along road to 29 Palms just before getting into Morongo Valley- to the south. 396 Comment
  RSA339342  Eriogonum pusillum Robert F. Thorne, W. A. Tilforth 1980-5-28 54174 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  CAS-BOT-BC263529  Eriogonum thomasii Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, Colorado Desert Comment
  JEPS56259  Eriogonum thomasii W. L. Jepson 1927-4-11 11624 Riverside Whitewater Bridge 457 Comment
  RSA339313  Eriogonum thomasii Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54044 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA639634  Eriogonum thomasii Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55362 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR36108  Eriogonum thomasii R. F. Thorne 1983-4-23 55503 Riverside San Bernardino Mtns., On the south end of ridge at mouth of Whitewater Canyon, east of bridge, 'about 3.3 mi. north of Whitewater Post Office' [!??] 427 Comment
  UCR92487  Eriogonum thomasii George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  UCSB23769  Eriogonum thomasii Shaw, Merrilee 1964-4-5 Riverside State Highway 195; 7.3 miles northeast of junction with State Highway 111 at Mecca 106 Comment
  RSA0130729  Eriogonum thomasii Glen Rink 2013-3-18 11875 a Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  UCR22122  Eriogonum thurberi Steve Boyd 1980-5-28 303 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR275140  Eriogonum trichopes Aaron C. Sedgwick, David Fraker 2012-4-24 002 Riverside Sonoran (Colorado) Desert, Palen Valley south of Hwy I-10 on Dupont Road, c. 2 miles northeast of the Chuckwalla Mountains Wilderness Area 183 Comment
  RSA420615  Eriogonum wrightii var. membranaceum Lester H. Cushman 1931-10 s.n. Riverside Mt. San Jacinto. 2134 Comment
  CAS-BOT-BC297333  Eriophyllum confertiflorum A. C. Sanders 2006-5-19 32453 Riverside Hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  POM318698  Eriophyllum confertiflorum Patricia Wilder 1968-7-5 4313 Riverside Trail near Idyllwild, San Bernardino National Forest. 1982 Comment
  RSA525428  Eriophyllum confertiflorum Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4537 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA6121  Eriophyllum confertiflorum C. B. Wolf 1932-5-25 3691 Riverside 1/4 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 671 Comment
  SEINET2050884 Image available Eriophyllum confertiflorum Marc Mittleman 1982-5-25 Riverside Gentry Experimental Ranch, Los alamos Road, Murrieta 366 Comment
  LA203544  Eriophyllum confertiflorum var. confertiflorum Elizabeth McClintock; 1935-3-3 sn Riverside Pedley Hills Comment
  RSA688836  Eriophyllum multicaule Scott D. White, Michael Honer 2003-6-17 9545 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  RSA396465  Eriophyllum wallacei Walter Wisura 1987-5-21 4158 Riverside 3.8-3.9 miles from Hwy 74 along forestry road, 5S13, S of Lake Hemet toward Thomas Mtn, San Jacinto Range Comment
  SBBG27746  Eriophyllum wallacei D. Myrick 1964-4-30 824 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert Comment
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Jul 7 2012
  SDSU4119  Eriophyllum wallacei T. Bruhns 1965-5-23 130 Riverside At 2,000 ft., sign along state highway 74, below Idyllwild. 610 Comment
  UCR126494  Erodium botrys A. C. Sanders, K. C. Rose, James C. Dice, D. Woodard 1995-3-29 16284 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
  RSA650518  Erodium botrys David B. Dunn, Lint 1955-4-1 11845 Riverside About two miles east of Cabazon, along the railroad right of way. 488 Comment
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May 24 2012
  SBBG92109  Erodium brachycarpum J. Hirshberg 1989-4-3 Riverside S of Murrieta, W of Mesa de Burro, Santa Rosa Plateau 609 Comment
  UCR120912  Erodium brachycarpum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24950 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA0013157  Erodium cicutarium LeRoy Gross, Caitlin Elam 2013-5-14 6064 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR97247  Erodium cicutarium Scott D. White 1997-2-28 4720 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  SD224984  Erodium moschatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19874 Riverside Lake Skinner area: lower Rawson canyon, just NE of the lake along the road. 456 Comment
  RSA396463  Erysimum capitatum W. Wisura 1987-5-21 4160 Riverside 8.2 miles from Hwy 74, going S on forestry rd. 5S15; just S of summit of Thomas Mtn. Comment
  RSA0020064  Erythranthe guttata Mary F. Spencer 1918-4-6 220 Riverside Murray Canyon, Colorado Desert. 152 Comment
  RSA0015886  Erythranthe moschata P. A. Munz, I. M. Johnston 1924-7-28 8805 Riverside Pine Flats, San Jacinto Mountains. 1738 Comment
  RSA0022930  Eschscholzia androuxii F. W. Peirson 1928-4-23 7888 Riverside 2.5 miles below cottonwood Springs. Comment
  RSA0023134  Eschscholzia androuxii Henry J. Ramsey, Henry J. Ramsey 1937-2-26 887 Riverside Whitewater. Comment
  UCR114323  Eschscholzia caespitosa Mitch Provance 1998-5-2 492 Riverside Jurupa Hills, Sunnyslope, along the E side of Sierra Blvd. 366 Comment
  UCR274075  Eschscholzia californica T. B. Salvato, Gregg Miller 2005-6-7 1432 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  CAS-BOT-BC83126  Eschscholzia minutiflora John H. Thomas 1957-3-30 6523 Riverside 0.8 mile east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. 518 Comment
  CLARK-A1528-685  Eschscholzia minutiflora Fred B. Essig 1967-3-23 Riverside San Jacinto Mountains 914 Comment
  JEPS121460  Eschscholzia minutiflora Adam C. Schneider with Will Freyman 2014-2-16 404 Riverside East side of Highway 177. Comment
  UCD94252  Eschscholzia minutiflora Shannon M. Still; Steven M. Still 2008-4-7 390 Riverside California. Riverside County: South side of I-10 in wash. 336 Comment
  UCR75085  Eschscholzia minutiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12146 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC111316  Eschscholzia parishii S. B. Parish 1907-4-15 6603 Riverside Whitewater Western edge of Colorado Desert (type station) 600 Comment
  UCSB41507  Eschscholzia parishii Duke, Craig 1979-3-4 Riverside About 4 meters from roadway in Box Canyon Wash; along California 195; 12.5 miles east Valerie Jeans Date Shop 65 Comment
  UC1979533  Eucrypta chrysanthemifolia var. chrysanthemifolia Darin L. Banks, Steve Boyd 1995-4-5 159 Riverside 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. Comment
  UCR123876  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill 2001-4-29 33521 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  RSA0123776  Eucrypta micrantha Duncan S. Bell, LeRoy Gross 2016-3-10 8873 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
  SEINET3409352  Eucrypta micrantha G. Rink, T. Thomas 2013-3-30 11921 Riverside About 3 miles east of Desert Center 210 Comment
  GMDRC9808  Eulobus californicus J. M. Andre 2017-3-1 38029 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  SEINET10913806  Euphorbia David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3714 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  CAS-BOT-BC202384  Euphorbia abramsiana Lewis S. Rose 1936-12-22 36807 A Riverside San Jacinto Mts., Palms to Pines Highway 17 mi. SW. of Indio 914 Comment
  UCR121894  Euphorbia albomarginata Ian G. Gillespie 2001-5-7 084 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  UCR281920  Euphorbia micromera A. C. Sanders, Jim Malusa 2017-9-21 43351 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  HSC78931  Euphorbia misera R. F. Thorne, Drs. Fosberg, Sachet, Herbst 1983-4-23 55410 Riverside San Bernardino Mtns., mouth of Whitewater canyon, E of Whitewater Post Office at S end of ridge 412 Comment
  UCR256713  Euphorbia ocellata var. arenicola Duncan S. Bell 2012-2-12 3111 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  JEPS51904  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1307 Riverside Strawberry Valley; Mt. San Jacinto Comment
  SDSU12950  Euphorbia polycarpa Jutta Buschbom 1991-6-10 33 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
  UCR250118  Euphorbia polycarpa A. C. Sanders 2014-4-23 41052 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  UCR97254  Euphorbia polycarpa Scott D. White, Julie Greene 1997-3-12 4787 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  RSA770646  Euphorbia polycarpa var. hirtella R. F. Thorne 1963-3-29 32372 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  UCR74375  Euphorbia setiloba Theo Glenn 1991-5-2 91- 25 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCR48212  Euphorbia spathulata R. F. Thorne, E. W. Lathrop 1975-5-25 45555 Riverside Santa Rosa Plateau, Santa Ana Mtns., Rancho California, Mesa de Burro 610 Comment
  SD247415  Euphorbiaceae O. F. Clarke 2004-3-19 Riverside Peninsular Range: Riverside; UCR Botanical Garden (Riverside East 7.5'Q) 340 Comment
  SEINET13945543 Image available Fagonia chilensis Helen K. Sharsmith 1952-1 4062 Riverside NW base of Chuckawalla Mts., 7 mi S of Hwy 60-70; ca. 1750 ft alt. 533 Comment
  POM87260  Fagonia laevis Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  JOTR31895  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  RSA731016  Fagonia pachyacantha M. Wall 2008-4-26 456 Riverside Chuckwalla Valley; along Chuckwalla Rd. just east of junction with Dupont Rd. 161 Comment
  CAS-BOT-BC59765  Ferocactus cylindraceus Ira L. Wiggins 1937-3-9 8748 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR20858  Festuca microstachys A. C. Sanders 1978-6-20 885 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR27192  Festuca myuros Marlyce Myers 1980-4-25 s.n. Riverside Motte Reserve, in the rocky hills 2.5 mi NW of Perris. S end of the Reserve 518 Comment
  UCR22152  Festuca octoflora Steve Boyd 1980-5-11 226 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR2416  Festuca octoflora F. M. Reed 1906-3-17 919 Riverside Riverside: mouth of South fork of Arroyo Tequesquite 335 Comment
  UCR280833  Festuca perennis T. B. Salvato, Gregg Miller 2005-6-3 1373 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR132716  Ficus carica A. C. Sanders, O. F. Clarke 1991-6-10 11119 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  SD237518  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA387341  Filago arizonica Steve Boyd 1986-5-1 1789 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA496369  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3043 Riverside Vail Lake area, 0.75 mile NW of dam, S flank Oak Mountain 622 Comment
  RSA501083  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3201 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  UCR214144  Filago californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37725 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
  RSA387347  Filago gallica Steve Boyd 1986-5-7 1842 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  UCR106886  Filago gallica A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20661 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR137489  Filago gallica D. L. Banks 1997-3-29 1587 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  CDA5866  Flaveria trinervia Lew Davis 1977-12-15 Riverside 1 mile north of Freeway 91, west side of McKinley Street, Corona. 0 Comment
  UC1494258  Flaveria trinervia A. C. Sanders 1981-10-31 2392 Riverside between Riverside and Corona (0.3 mi n of Hwy 91 and 100 yds w of McKinley); McKinley 304 Comment
  UCR260831  Fouquieria splendens A. C. Sanders, Jim Malusa 2015-3-10 41388 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, between Bradshaw Trail and Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 576 Comment
  JEPS45782  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts. 45 Comment
  RSA750122  Fouquieria splendens subsp. splendens Duncan S. Bell, Amanda Turek 2009-3-30 175 Riverside South side of the Arica Mountains, within the Palen/McCoy Wilderness area. 333 Comment
  CAS-BOT-BC454537  Fragaria vesca subsp. californica Marcus E. A M Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild, California Comment
  SD229244  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-3-26 682 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA17494  Frasera parryi Percy C. Everett 1936-8-28 8234 Riverside Santa Ana Mts, north end of La Cienega 732 Comment
Read comments
Dec 16 2011
  SD73611  Fraxinus dipetala Helen V. Witham 1970-5-1 864 Riverside 10.4 miles south of Hwy 74. Bautista Canyon, southeast of Hemet. 1000 Comment
  RSA0105844  Fraxinus uhdei Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR132719  Fraxinus uhdei A. C. Sanders, O. F. Clarke 1991-6-10 11131 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  CAS-BOT-BC211020  Fraxinus velutina Carl B. Wolf 1940-10-30 9758 Riverside Penrod Canyon 1524 Comment
  RSA736789  Fraxinus velutina Scott D. White, Angelia Carey 2004-7-2 10598 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA1242  Fraxinus velutina var. coriacea B. D. Stark 1929-9-22 1438 Riverside Keys Ranch, near 29 Palms Mojave Desert. Comment
  UCR67368  Fritillaria biflora Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3907 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  SD178114  Funastrum heterophyllum A. C. Sanders 2004-5-12 27873 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. On dry slope along road. 377 Comment
  JOTR31809  Funastrum hirtellum La Doux, Tasha, Bill Truesdell 2007-11-9 2517 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (Stop 2) 601 Comment
  POM11431  Galium andrewsii subsp. andrewsii Philip A. Munz 1922-7-3 5958 Riverside South side of Santa Rosa Mts. 1677 Comment
  RSA740635  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2008-6-18 12211 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  CAS-BOT-BC223033  Galium angustifolium B. Pitzer 1997-3-23 2955 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 610 Comment
  UCR214310  Galium angustifolium A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38403 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  CDA18362  Galium angustifolium subsp. angustifolium G. D. Barbe, Lew Davis 1978-5-3 2380 Riverside Sonoran Desert; 1.4 mi W of settlement, 5 miles W of end of Corn Springs Rd, W of Corn Springs campground. 548 Comment
  RSA87112  Galium angustifolium subsp. angustifolium F. W. Peirson 1920-6-22 4500 Riverside Dripping Springs, Temecula River 457 Comment
  UCD170549  Galium californicum subsp. primum D. O. Burge; J. Gee 2017-5-20 2277 Riverside Alvin Meadows, roadside on Old Control Road, E of intersection with Red Hill Road. 1515 Comment
  RSA454424  Galium parishii Robert Kessler 1920-07 s.n. Riverside Tahquitz Peak. 2707 Comment
Read comments
Aug 3 2008
  UCR90806  Gamochaeta pensylvanica A. C. Sanders, G. K. Helmkamp 1996-3-17 17996 Riverside Coachella Valley, Cathedral City, Cathedral Plaza, Hwy 111 at Date Palm Dr. 91 Comment
  RSA0099592  Garrya flavescens Duncan S. Bell 2014-11-14 7706 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  RSA179500  Gastridium phleoides E. W. Lathrop 1960-6-7 4898 Riverside 14 miles west of Murrieta Comment
  RSA6015  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1932-8-5 3932 Riverside Summit of Devil s Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  UC64298  Gayophytum diffusum subsp. parviflorum H. M. Hall July, 1901 2347 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  UCR92036  Gazania linearis Scott D. White 1995-7-7 3461 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  CAS-BOT-BC303581  Geraea canescens John Thomas Howell 1928-3-11 3433 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  POM289783  Geraea canescens Lyman Benson 1933-3-31 4193 Riverside Salton Sea-Imperial Co. line. 61 Comment
  SBBG44596  Geraea canescens Leota Davidson 1966-4-3 229 Riverside below Washington Street overpass, Interstate 10, ca. 5.5 mi W of Indio Comment
  SEINET11849876  Geraea canescens Unknown 1936-1 12552 Riverside Colorado Desert N of Palm Springs Comment
  RSA715173  Geranium carolinianum A. C. Sanders, T. B. Salvato 2006-5-4 32246 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
  UCR157429  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 183 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR157430  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 185 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  JEPS29314  Gilia angelensis Rimo Bacigalupi and L. Heckard 1962-3-26 8410 Riverside just ne Alberhill (lower slopes of hills on e side Walker Canyon); e side Walker Canyon, ne of Alberhill 381 Comment
  RSA525457  Gilia angelensis Steve Boyd, Dave Bramlet 1990-4-29 4502 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA67095  Gilia angelensis Verne Grant 1949-4-27 8700 Riverside 6 miles from Lake Elsinore on Perris-Elsinore rd. Comment
  SD236373  Gilia angelensis Abby Sirulnik 2000-4-13 9 Riverside Peninsular Ranges: Southwestern Riverside County Multispecies Reserve, ca. 3 mi northeast of Skinner Reservoir. 456 Comment
  UCR133957  Gilia angelensis Mitch Provance, J. S. Ross 1998-3-27 MOR- 969 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  RSA559955  Gilia capitata subsp. abrotanifolia Steve Boyd, Orlando Mistretta 1992-4-23 7066 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  RSA171376  Gilia diegensis J. D. Olmsted 1962-5-3 3504 Riverside San Jacinto Mts 1616 Comment
  RSA171379  Gilia diegensis J. D. Olmsted 1962-5-3 3537 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  RSA72319  Gilia diegensis F. W. Peirson 1917-4-1 925 Riverside Along south edge of Colorado Desert embayment east of Palm Springs, above ''Garden of Eden'. Comment
  UCR120703  Gilia diegensis N. C. Cooper 1944-5-20 1283 Riverside San Jacinto Mtns., Palms to Pines Highway 1372 Comment
  UCR18184  Gilia diegensis A. C. Sanders 1978-4-30 493 Riverside Santa Rosa Mtns, Pinyon Flats area, shoulder of Hwy 74 between Nightingale[Pinyon Pines] and Ribbonwood [Spring Crest] 1280 Comment
  UCR148443  Gilia latifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  SD185283  Gilia ochroleuca T. B. Salvato, Kent Beaman 2005-5-16 816 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  UCR91005  Gilia ochroleuca A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18069 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  RSA0017284  Gilia ochroleuca subsp. exilis Naomi Fraga, Duncan S. Bell 2009-5-6 2705 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  RSA0023244  Gilia scopulorum J. Andre 2013-3-4 23870 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  RSA111274  Gilia sinuata Verne Grant, James Davis 1957-3-30 9895 Riverside Upper eastern end of Moronga Valley 793 Comment
Read comments
Mar 23 2014
  SD119886  Gilia sinuata Louis B. Ziegler 1972-5-3 448 Riverside San Jacinto Mountains-Hemet (Garner) Valley. 1402 Comment
  SD181413  Gilia splendens Scott D. White, Bill La Haye 2000-5-27 7960 Riverside San Jacinto Mountains; Baldy Mountain area. 1616 Comment
  UCR178146  Gilia splendens T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 138 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  JEPS69722  Gilia stellata W. L. Jepson 1928-4-23 12556 Riverside wash 2 mi below Cottonwood Spr. (Eagle Mts., Colorado Desert); Colorado Desert, , Eagle Mts. Comment
  RSA469747  Gilia stellata Rockwell 1926-5-1 s.n. Riverside Colorado Desert Comment
  RSA657244  Gilia stellata J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12343 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  RSA776092  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 824 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  UC667389  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-5-14 2168 a Riverside 5.5 mi s Cottonwood Spring (Eagle Mountains); Colorado Desert, , s of Cottonwood Spring 502 Comment
  UC716291  Gilia stellata Roxana S. Ferris 1939-3-29 9709 Riverside between Hayfields Reservoir and Desert Center (Indio-Bythe Highway); btw Hayfields Reservoir and Desert Center Comment
  CAS-BOT-BC282820  Glyceria X occidentalis A. C. Sanders; S. Hawkins 1996-4-24 18088 Riverside Morongo Indian Reservation vicinity of natural pond and bog at SE edge of Burro Flats, San Bernardino Mtns. 1158 Comment
  IRVC28517  Glyceria declinata A. C. Sanders, S. Hawkins 1996-4-24 18088 Riverside Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog San Bernardino Mtns 1098 Comment
  RSA500118  Gnaphalium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3693 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA594037  Gnaphalium californicum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0931 B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  RSA596162  Gnaphalium canescens subsp. microcephalum D. L. Banks 1996-11-7 1215 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  UCR169466  Gnaphalium luteoalbum John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UCR91618  Gnaphalium luteoalbum D. L. Banks, Steve Boyd 1995-3-30 0123 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  UCD132630  Gutierrezia californica Lewis S. Rose 1966-12-14 66110 Riverside Chino Canyon, 3 miles west of Palm Springs. 670 Comment
  UCR107400  Gutierrezia californica B. G. Pitzer 1997-3-23 2988 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR93827  Gutierrezia californica G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  POM359227  Gutierrezia sarothrae N. C. Cooper 1943-9-11 912 Riverside Below Idlewild. 915 Comment
  UCR13731  Gutierrezia sarothrae J. Gull 1973-7-30 s.n. Riverside Santa Ana River Valley, Hills east of Norco. Comment
  CAS-BOT-BC231103  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon, 1.0 mile E of Indian Truck Trail Comment
  UCR102848  Harpagonella palmeri A. C. Sanders 1997-3-26 20128 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA0066605  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3036 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA520079  Hazardia squarrosa var. grindelioides Steve Boyd, David E. Bramlet 1988-10-8 2876 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR113895  Hedypnois cretica Mitch Provance 1998-4-14 440 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  UCR230607  Hedypnois cretica A. C. Sanders, Nathan Moorhatch 2011-3-22 38777 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  RSA763056  Helianthemum scoparium var. aldersonii E. W. Lathrop 1973-6-28 7435 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  RSA648739  Helianthemum scoparium var. scoparium J. C. Roos 1941-2-1 226 a Riverside south of thePlateau, Reche Canyon. Comment
  RSA357134  Helianthemum scoparium var. vulgare R. F. Thorne 1969-10-25 41853 Riverside N of San Bernardino National Forest: N of Boundary on Idlywild-Banning road Comment
  RSA0012944  Helianthus californicus C. W. Tilforth, John Dourley 1970-9-2 306 Riverside Along road to Santa Rosa Mountain. Comment
  POM360006  Helianthus gracilentus N. C. Cooper 3955 Riverside Elsinore. 762 Comment
  UCR16101  Heliotropium curassavicum S. Nelson 1974-5-18 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, four mi. west of Murrieta on Tenaja Rd. 610 Comment
  POM17514  Hemizonia kelloggii P. A. Munz 1923-6-18 7124 Riverside 3 miles N of Lake Elsinore. 412 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
  UCR235054  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-5-27 40200 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, near SW corner of Valley Substation (on Menifee Rd.), just off Case Rd. 445 Comment
  RSA716381  Hemizonia mohavensis Scott D. White 2006-4-27 11300 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR137601  Hemizonia paniculata John F. Green 2004-7-6 s.n. Riverside Santa Ana River Valley, north end of Payton Ave., Riverside, near natural gas pipeline facility, above Santa Ana River 229 Comment
  UCR177632  Hemizonia paniculata John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., near Reed Valley on powerline trail west of Juan Diego Flats, NW of Cahuilla Mountain 1067 Comment
  CDA6984  Hemizonia pungens subsp. laevis P. E. Hitchcock 1973-6-26 Riverside San Jacinto Valley area. 0 Comment
  UCR202007  Hemizonia pungens subsp. laevis Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  UCR68036  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-5-19 1875 Riverside Perris-Aguanga Basin region, Domengoni-Diamond Valley, c. 100 m SE of intersection of Newport Rd. and Los Hermanos Rd. [site now under water of Diamond Valley Reservoir] 518 Comment
  UCR199712  Hemizonia pungens subsp. pungens Scott D. White, Justin Wood 2008-6-26 12295 Riverside Perris Basin, Hwy I-215 at stream crossing, just west of golf course and just north of Newport Road 434 Comment
  RSA778492  Hesperocallis undulata Duncan S. Bell 2009-3-8 59 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  SD10372  Hesperocallis undulata Irma van Gorder 1935-2-24 Riverside Painted Canyon. Comment
  RSA559362  Heterocodon rariflorum Steve Boyd, Timothy S. Ross, Dave Bramlet 1993-5-13 7380 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UC63207  Heterotheca sessiliflora subsp. echioides H. M. Hall Aug 1 1901-Aug 10 1901 2607 Riverside Strawberry Valley; San Jacinto Mountains 1615 Comment
  RSA785656  Heterotheca sessiliflora var. sanjacintensis J. C. Semple, J. Chimielewski 1987-9-30 8985 Riverside CA-74, 12.7 km south of CA-243, south of Lake Hemet. 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
  SD135316  Heuchera hirsutissima Craig Reiser, Dylan Hannon 1993-5-30 Riverside Saddle between Toro Peak and Santa Rosa Peak Comment
  UCR260190  Heuchera rubescens Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4990 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  RSA0021681  Hibiscus denudatus Jim Andre 2013-3-27 24814 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  UCR275426  Hilaria rigida Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 960 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 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
  RSA644302  Hoffmannseggia glauca A. C. Sanders 1992-4-5 12166 Riverside Colorado Desert: Chuckwalla Valley, Ford Dry Lake, N of I-10 at Ford Dry Lk. Rd., near site of Hopkins Well 109 Comment
  UCR163059  Hoffmannseggia glauca B. G. Pitzer, G. R. Ballmer 2000-10-14 4220 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  RSA0080315  Hoffmannseggia microphylla Sarah J. De Groot, Duncan S. Bell, Cheryl Sevilla 2015-2-10 7359 Riverside Bear Creek drainage, east fork; east side of Santa Rosa Mountains, south of La Quinta, west of Lake Cahuilla. 195 Comment
  RSA674575  Hoffmannseggia microphylla Scott D. White, Brian Leatherman 2000-10-5 8135 Riverside Near Berdoo canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Canyon. On the S-facing bajada of the Little San Bernardino Mts. 183 Comment
  SD123998  Hoffmannseggia microphylla C. W. Tilforth 1976-7-21 1221 Riverside Colorado Desert, Painted Canyon NE of Mecca Comment
  SFV6302  Hoffmannseggia microphylla T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 56 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UCR150022  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  RSA666779  Hordeum depressum A. C. Sanders, D. Malueg 2001-5-17 24358 Riverside Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Raod at and near Warm Springs Creek, S of Scott Rd., 33 deg 37.5' N, 117 deg 07.8' W 415 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
  SEINET3386506 Image available Hordeum intercedens Mitch Provance 2005-5-17 6554 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 396 Comment
  UCR228831  Hordeum intercedens A. C. Sanders, T. B. Salvato 2011-4-4 38974 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
  RSA740614  Hordeum marinum subsp. gussoneanum Scott D. White, Justin M. Wood 2008-6-19 12256 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCR91887  Hordeum murinum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18043 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR182859  Hordeum murinum subsp. leporinum Mitch Provance 2001-4-21 4635 Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  UCR146261  Horkelia clevelandii Orlando Mistretta, Mark A. Elvin 1995-6-19 1772 Riverside Peninsular Ranges; San Jacinto Mountains, -- exact loc. unrecorded 1463 Comment
  JEPS68627  Horsfordia alata Marjorie D. Clary 1929-12-1 Riverside Coral Reef Ranch Colorado Desert, Coachella Comment
  SD229151  Hosackia crassifolia var. crassifolia Dick Schwenkmeyer 2012-6-27 758 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA282759  Hulsea heterochroma C. W. Tilforth, B. Busenberg 1980-6-10 1986 Riverside 2.2 miles in on N leg of Thomas Mtn Road, W of Hwy 74 and S of Lake Hemet. Comment
  CAS-BOT-BC312594  Hulsea vestita subsp. callicarpha H. M. Hall 1901-7-1 2334 Riverside San Jacinto Mountains. Vicinity of Deer Springs 2743 Comment
  RSA747865  Hulsea vestita subsp. callicarpha Justin M. Wood 2009-5-11 682 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  POM361071  Hymenoclea salsola M. B. Dunkle 1937-3-25 4946 Riverside Colorado Desert. Shaver's Well Comment
  POM361084  Hymenoclea salsola N. C. Cooper 1948-5-13 2842 Riverside Morongo Pass. 854 Comment
  POM48452  Hymenoclea salsola P. A. Munz 1925-3-7 9348 Riverside Painted Canyon, Mecca. Comment
  RSA480011  Hymenoclea salsola Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2132 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA733690  Hymenoclea salsola Keith E. Hoffmaster 1933-4-14 364 Riverside Palm Springs Comment
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Aug 27 2011
  UCR41553  Hymenoclea salsola A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6107 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SEINET11847653  Hymenoclea salsola Unknown 1936-1 12744 Riverside Colorado Desert N of Palm Springs Comment
  LA203762  Hymenoclea salsola var. fasciculata D. Birindelli; 1969-3-9 Riverside near Palm Desert 121 Comment
  POM7691  Hymenoxys odorata P. A. Munz, R. D. Harwood 1920-4-2 3579 Riverside Colorado Desert, near Blythe. 152 Comment
  SD137870  Hypochaeris glabra Darin L. Banks, Steve Boyd 1995-5-3 190 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of Dripping Springs Alcove area. 1640 Comment
  CAS-BOT-BC219735  Hyptis emoryi M. Bourell; R. Patterson 1987-4-14 3268 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  HSC88233  Hyptis emoryi Elizabeth Neese 1979-4-10 7063 Riverside Joshua Tree National Monument S of Twenty-nine Palms, between Pinto Basin Jct. and Cottonwood Wash. 305 Comment
  JOTR35336  Hyptis emoryi Harding, Mitzi, Mark Wheeler 2012-2-28 102 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  RSA776343  Hyptis emoryi Duncan S. Bell 2010-3-20 625 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA793418  Hyptis emoryi Naomi S. Fraga, David Fraker, Tommy Stoughton 2012-3-15 3945 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UCD124913  Hyptis emoryi Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UCD124924  Hyptis emoryi L. S. Rose 1935-12-21 s.n. Riverside Colorado Desert, Palm Canyon Wash. 182 Comment
  CAS-BOT-BC311617  Isocoma acradenia var. eremophila S. B. Parish 1912-6-28 8117 Riverside Mecca Comment
  POM318592  Isocoma menziesii var. menziesii Patricia Wilder 1970-10-15 4798 Riverside [Prado Dam area] Comment
  OBI15998  Isocoma menziesii var. vernonioides H. E. McMinn 1935-6-22 3932 Riverside 1 mi N of Elsinore Comment
  UC1463089  Isomeris arborea Arthur S. Barclay and Juan Arguelles 1965-3-4 1797 Riverside 4 mi n State Highway 79 junction with State Highway 71 (along State Highway 79) Comment
  RSA0035135  Isomeris arborea Lee Haines 1952-4-6 s.n. Riverside Box Canyon, HIghway 195. Comment
  SEINET8727088 Image available Isomeris arborea Lewis S. Rose 1938-1 38323 Riverside Palm Springs. 137 Comment
  SD247330  Iva axillaris Andy Sanders 2012-3-22 39990 Riverside Peninsular Range; Elsinore Valley: city of Lake Elsinore, 0.4 kilometer southwest (210 degrees) of intersection of Riverside Drive and Collier Avenue. 384 Comment
  SD227840  Juglans californica A. C. Sanders, K. C. Rose 1999-6-18 22803 Riverside Skinner/Domenigoni area; French Valley, E side of Washington Ave., 1/2 mile S of Rawson Rd (Winchester 7.5'Q). Valley botton, probably subirrigated. 438 Comment
  CAS-BOT-BC140653  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37143 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside 345 Comment
  UC483328  Juncus acutus subsp. leopoldii W. R. Dudley 1894-8-20 Riverside 6 mi e Indio (near Palm Grove) Comment
  UCR108208  Juncus balticus D. L. Banks 1997-11-15 2196 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  RSA304346  Juncus bryoides Barbara Ertter, Jeffrey L. Strachan 1980-5-21 3482 Riverside Santa Rosa Mountain Road (Forest Road 7S02) ca. 2.0 miles S of Highway 74 (Pines to Palms Highway). 1585 Comment
  RSA713786  Juncus bufonius A. C. Sanders, Kelly Volansky 2005-3-17 29224 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Springs, near San Diego Aqueduct. 412 Comment
  RSA760325  Juncus bufonius Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55214 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UCR117312  Juncus bufonius A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 735 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR202056  Juncus bufonius Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  UCR48484  Juncus bufonius Steve Boyd 1986-4-19 1718 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  UCR59675  Juncus bufonius Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3541 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  UC1922192  Juncus duranii Naomi Fraga, et al. 2006-7-11 1723 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA520939  Juncus effusus subsp. austrocalifornicus Steve Boyd, David E. Bramlet 1988-10-8 2862 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Comment
  RSA500194  Juncus rugulosus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3550 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR109759  Juncus rugulosus T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Strawberry Creek at Hwy 74 899 Comment
  UCR20884  Juncus sphaerocarpus A. C. Sanders 1978-7-3 784 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  POM158452  Juncus tiehmii Phillip A. Munz 1927-5-21 10862 Riverside 2 miles S.E. of Ansa [Anza] 1372 Comment
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Jan 6 2015
  SEINET3069034 Image available Juncus tiehmii B. J. Ertter, J. L. Strachan 1979-6-26 2971 Riverside Behind Kenworthy Ranger Station, near Route 74 in Hemet Valle, San Jacninto Mountain, San Bernardino Nat'l Forest 760 Comment
  CAS-BOT-BC85411  Juniperus californica Marcus E. Jones 1882-4-25 3175 Riverside San Jacinto Comment
  JEPS48331  Juniperus californica W. L. Jepson 1901-5-22 1412 Riverside Palm Canyon Mt. San Jacinto, Palm Canyon Comment
  RSA313564  Justicia californica D. C. Michener 1979-3-11 3451 b Riverside Santa Rosa Mountains: Deep Canyon, along Coyote Wash. Comment
  SEINET10437453 Image available Justicia californica Richard Walker 1967-4-30 59 Riverside Palm Desert on south side of Carriage Road ca 2 miles east of state highway 74 (Pines to Palms Highway) Comment
  SFV6305  Justicia californica T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 44 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  RSA293254  Keckiella antirrhinoides D. C. Michener 1980-6-11 3669 Riverside Bautista Canyon. Lower Bautista Cyn road [5S14] ca 5.3 mi. southeast of jct to CA 74 near canyon mouth. 800 Comment
  UCD123747  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2000-5-25 23430 Riverside Menifee Valley. south of Newport Rd., north of Holland Rd., and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR77771  Keckiella antirrhinoides Steve Boyd 1991-5-10 6217 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  CAS-BOT-BC236727  Keckiella antirrhinoides subsp. microphylla Annie M. Alexander; Louise Kellogg 1941-5-21 2215 Riverside North base of Eagle Mountains, Colorado Desert 1158 Comment
  UCR93813  Keckiella antirrhinoides var. antirrhinoides P. J. MacKay 1996-6-15 009 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  POM122438  Keckiella cordifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA764124  Keckiella cordifolia Linda M. Prince, Duncan S. Bell 2009-6-17 577 Riverside Cleveland National Forest Comment
  UC54995  Keckiella cordifolia H. M. Hall 1897-5-27 573 Riverside Cold Water Canyon; Santa Ana Mts. Comment
  UCR178333  Keckiella ternata Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 641 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  RSA0029090  Koeleria macrantha John F. Emmel 1994-5-21 1307 Riverside West Ridge, SW of Idyllwild; slope 0.1 air mi NW of Inspiration Point. 1598 Comment
  UCD107113  Krameria bicolor Marian L. Vincent; Richard H. Swade 1963-10-19 449 Riverside Snow Creek Road, 1 mile from its intersection with California State Hwy. 111. 365 Comment
  JEPS64826  Krameria grayi W. L. Jepson 1912-10-28 5238 Riverside near Riverside Mts. (<Botanical Expedition along the Colorado River Needles to Yuma..>); Colorado River, near Riverside Mts. 91 Comment
  JEPS64829  Krameria grayi Marjorie Clary 1930-4-10 89 Riverside Coachella Valley, Devil's Canyon 91 Comment
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Jun 15 2012
  RSA289810  Krameria grayi Barry A. Prigge 1980-8-12 3932 Riverside Whitewater Canyon: 1.4 miles upstream from trout farm. 793 Comment
  RSA408599  Krameria grayi Robert Gustafson 1980-5-5 1570 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  SEINET229295  Krameria grayi L. M. Shultz, JS Shultz 1985-4-17 8305 Riverside Southern extension of the Big Maria Mountains 98 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
  UCR126440  Lamarckia aurea T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 68 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  UCR167434  Lamarckia aurea 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
  UCR83330  Lamarckia aurea A. C. Sanders 1994-5-15 14489 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  SBBG35059  Langloisia setosissima subsp. setosissima H. and M. Dearing 1937-4-10 1344 Riverside Thousand Palms Cyn Comment
  CAS-BOT-BC205630  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  LA209864  Larrea tridentata James Lauter; 1953-5-23 sn Riverside 3 mi S of Vandeventer Flat on US Hwy 74 914 Comment
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Mar 13 2014
  RSA0068129  Larrea tridentata Cheryl Sevilla, Sarah J. De Groot, Forrest Freund 2015-4-1 71 Riverside Sonoran Desert; Coachella Valley; Santa Rosa Mountains; south of La Quinta; north of Devil Canyon; 2.5 miles west of Lake Cahuilla. 136 Comment
  CAS-BOT-BC338927  Lasthenia californica L. R. Abrams 1926-3-25 11047 Riverside Between Banning and Cabazon Comment
  JEPS9698  Lasthenia coronaria W. L. Jepson 1939-4-17 19134 Riverside near Twin Sprs. (n end of Temescal Canyon); Temescal Canyon 274 Comment
  RSA493827  Lasthenia coronaria Maureen H. Pendleton 1988-2-22 s.n. Riverside Rancho Calif. area. ca. 8 mi. (airline) NW of Temecula, between Bruce Lane & Via View Dr. 732 Comment
  UC69031  Lasthenia coronaria H. M. Hall 1905-4-1 5752 Riverside Beaumount Comment
  UCR158251  Lasthenia coronaria A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30102 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
  UC217922  Lasthenia glabrata subsp. coulteri P. A. Munz 1922-4-15 4990 Riverside near Moreno; San Jacinto Lake Comment
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Mar 20 2011
  UCR191540  Lasthenia glabrata subsp. coulteri A. C. Sanders 2008-4-15 34887 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  POM55167  Lasthenia gracilis C. F. Baker 1904-4-4 4087 Riverside Elsinore. Comment
  RSA12915  Lasthenia gracilis C. B. Wolf 1935-4-7 6305 Riverside 2 mi. SW of Perris. 427 Comment
  UC69030  Lasthenia gracilis H. M. Hall 1905-4-1 5769 Riverside Bradley Canyon Colorado Desert Comment
  SD224958  Lathyrus latifolius Scott D. White 1996-8-16 4487 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to toll Rd. Cyn.).A few plants at terminus of Marion Ridge Rd, near radio facility, in open forest. 1700 Comment
  RSA171370  Layia glandulosa J. D. Olmsted 1962-5-3 3540 Riverside Along road from Santa Rosa Indian Reservation to Old village, West of Santa Rosa Peak 1494 Comment
  RSA657628  Layia glandulosa Colleen Callan 1992-5-2 32 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UCR114018  Layia platyglossa Mitch Provance 2000-4-8 2008 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR116928  Layia platyglossa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24215 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  RSA660657  Layia platyglossa subsp. campestris C. A. Schideler 1981-4-11 21 Riverside E on Cajalco Rd., mil. 520916. Comment
  SD73610  Layia platyglossa subsp. campestris Helen V. Witham 1970-5-1 863 Riverside Bajutista Canyon, southeast of Hemet 1000 Comment
  RSA654610  Layia platyglossa subsp. platyglossa Bruce Albert 1982-4-17 62 Riverside Flat field south of Cajalco road, 0.3 miles east of La Sierra Hwy. Comment
  UC218246  Lemna gibba P. A. Munz and I. M. Johnston 1922-5-19 5437 Riverside 1 mi from Garner Ranch (San Jacinto Mountains, Hemet Valley); San Jacinto Mountains, Hemet Valley 1386 Comment
  UCR48498  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estelle Mtn. Head of large canyon draining the SE side of Estelle Mtn. Comment
  RSA191401  Lemna minuta E. W. Lathrop, Robert F. Thorne 1967-9-26 6632 Riverside 6 miles NW of Murrieta. Comment
  RSA376132  Lemna minuta Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61204 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  CHSC520  Lepidium flavum M. Anthony 1954-4-15 Riverside Near Joshua National Monument. Comment
  CAS-BOT-BC89436  Lepidium fremontii Peter H. Raven 1958-3-15 11860 Riverside Joshua Tree National Monument. Smoketree Wash. Comment
  POM307345  Lepidium fremontii Henry J. Ramsey, Henry J. Ramsey 1939-11-28 1939 Riverside 20 miles E of Indio. Comment
  CAS-BOT-BC89668  Lepidium lasiocarpum subsp. lasiocarpum E. E. Schellenger 1920-5-1 s.n. Riverside Colorado Desert. East of Mecca Comment
  SEINET10449087  Lepidium lasiocarpum var. lasiocarpum Noel H. Holmgren 1973-3-21 Holmgren 6435 Riverside Big maria mountains. 12 Mi. N. Of downtown blythe. T4s, r22e, sec. 35. Locally common in sandy wash. 290 Comment
  UCR281236  Lepidium latipes Mitch Provance, Jeremiah George 2017-3-23 317- 65 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  RSA574745  Lepidium nitidum Steve Boyd 1982-3-30 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain, just east of extensively mined area. 427 Comment
  UCR65295  Lepidium strictum Steve Boyd 1989-5-2 3518 Riverside City of Riverside, Gravel driveway of residence at 4863 Rubidoux Avenue. Comment
  RSA0116224  Lepidium strictum Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4459 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  RSA655038  Lepidium virginicum var. pubescens Scott D. White 1999-7-9 7535 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  SD254575  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2632 Riverside North Domenigoni Hills, 3.8 miles ESE (97a^z) of Winchester (Winchester 7.5'Q) 608 Comment
  UCR174372  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32656 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
  RSA773650  Lepidium virginicum var. virginicum Duncan S. Bell, Colleen Wheeler 2010-7-19 1633 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  CLARK-A1528-2173  Lepidospartum squamatum Charles S. Papp 1962-12-9 235 Riverside Sycamore Canyon Comment
  RSA289819  Lepidospartum squamatum B. A. Prigge 1980-9-16 4037 Riverside Coachella Valley Stormwater Channel; east of Point Happy at Washington St. x channel 21 Comment
  UC1303164  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside mouth of Whitewater Wash 304 Comment
  RSA370866  Leptochloa fusca subsp. uninervia R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61276 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  UCR117343  Leptodactylon californicum Mitch Provance 1998-3-20 249 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  JOTR35498  Leptosiphon aureus subsp. aureus La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3186 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  POM10432  Leptosiphon floribundus subsp. glaber H. M. Hall 1897-7-30 303 Riverside Taurus Mt. Comment
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Sep 7 2010
  SD126107  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Canyon; terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  UC1979598  Lessingia filaginifolia var. filaginifolia D. L. Banks, Steve Boyd 1995-10-17 0763 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. Comment
  CAS-BOT-BC339370  Lessingia glandulifera var. glandulifera John F. Emmel 1970-9-24 328 Riverside Highway between Idyllwild and Mountain Center, San Jacinto Mts. 1524 Comment
  UC1287412  Lessingia glandulifera var. glandulifera A. P. Nelson, D. Kaplan 1960-8-13 666 Riverside 1 mi s of Idyllwild; Toll Gate Road Comment
  POM211567  Lilaea scilloides Philip A. Munz 1941-5-18 16663 Riverside North end of Santa Rosa Ranch, Elsinore Mountains 915 Comment
  RSA592024  Lilaea scilloides E. W. Lathrop 1968-5-15 6881 Riverside 8 miles W of Murrieta; Reedonda Mesa, Santa Rosa Plateau 610 Comment
  UC1035029  Lilium parryi Albert M. Vollmer Jul 1 1950-Jul 7 1950 Riverside Stony Creek; San Jacinto Mountains Comment
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Mar 10 2013
  UC23394  Linanthus aureus E. L. Koethen 1897-4-15 13 Riverside Riverside Comment
  UCR200400  Linanthus aureus Tasha La Doux, Jim Andre 2008-3-21 142 Riverside Eastern Mojave Desert, Joshua Tree National Park, Pinkham Exit dirt road, at Cottonwood Visitors Center, just north of Cottonwood Canyon 939 Comment
  RSA705181  Linanthus bigelovii J. Mark Porter, Sarah J. De Groot 2005-3-9 14258 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I 10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  CLARK-A1528-3472  Linanthus dianthiflorus John C. Roos 1950-4-15 4735 Riverside Reche Canyon 761 Comment
  SD134419  Linanthus dianthiflorus Craig Reiser 1990-4-15 Riverside Off De Portola Road near Calle Grande Road Comment
  UC23484  Linanthus dianthiflorus A. J. McClatchie 1892-4-26 35 Riverside near Elsinore Comment
  UCR249825  Linanthus dianthiflorus T. B. Salvato, John Lovio 2013-3-19 7362 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  POM96830  Linanthus dianthiflorus subsp. dianthiflorus F. M. Reed 1926-5-8 5311 Riverside Rocky hills on highway south of Perris. Comment
  JOTR34179  Linanthus dichotomus subsp. dichotomus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 140 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  UCR54447  Linanthus floribundus subsp. hallii A. C. Sanders, E. J. Lawlor 1988-10-22 8722 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  RSA718866  Linanthus jonesii Michael Honer, L. Hulse 2005-3-8 2039 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  RSA646295  Linanthus lemmonii Orlando Mistretta, Mark Elvin 1995-6-19 1776 Riverside Highway 74. 1418 Comment
  UCR62097  Linanthus lemmonii G. R. Ballmer 1990-5-6 s.n. Riverside Vicinity of Crown Valley: south of Domenigoni Valley & N (&W) of Rawson Canyon, where a little road goes into hills from Newport Road. 549 Comment
  UCR101468  Linanthus liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  UCR193897  Linanthus liniflorus A. C. Sanders, Mitch Provance 2008-7-11 35776 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  POM12935  Linanthus pungens subsp. hallii P. A. Munz 1922-6-27 5874 Riverside Toro Peak. 2287 Comment
  UCR18064  Linanthus pygmaeus O. F. Clarke 1967-5-2 s.n. Riverside Pigeon Pass in the Box Springs Mtns behind UC Riverside campus 610 Comment
  UCR133690  Linaria canadensis Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  CLARK-A1528-602  Linum lewisii Bruce Freeman 1969-6-14 690614-1 Riverside San Jacinto Mountains Comment
  HSC86138  Linum lewisii B. Freeman 1969-6-14 6906143 Riverside University of California James Reserve, San Jacinto Mtns., E of James House. Comment
  RSA586160  Lithophragma affine subsp. affine D. L. Banks, Steve Boyd 1995-3-30 0125 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 707 Comment
  POM201348  Loeseliastrum schottii A. M. Alexander, Louise Kellogg 1941-5-15 2174 Riverside North base of Eagle Mountain. 884 Comment
  SBBG99596  Loeseliastrum schottii W. L. Halvorson 1977-2-15 77 -30 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SDSU13931  Logfia gallica Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2096 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR12587  Lolium perenne Robert Ferrone 1972-5-20 s.n. Riverside Riverside: along banks of Santa Ana River below Union Pacific Bridge near Jurupa Ave. 152 Comment
  RSA557801  Lolium perenne subsp. multiflorum Steve Boyd, Timothy S. Ross 1992-5-4 7173 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  POM15043  Lomatium dasycarpum subsp. dasycarpum Mary F. Spencer 1922-4-25 s.n. Riverside Lamb Canyon Pass, Banning. Comment
  UC1424821  Lomatium dasycarpum subsp. dasycarpum C. W. Tilforth and Dorothy Tilforth 1977-3-6 1263 Riverside 0.3 mi. e. El Cariso Forest Station (w. of Lake Elsinore, Hwy. 74 & Forestry Rd. 6S06) Comment
  RSA526498  Lomatium lucidum Steve Boyd, Timothy S. Ross 1990-5-11 4693 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR160325  Lomatium lucidum Steve Boyd, Orlando Mistretta 1992-4-22 7004 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  OBI81581  Lomatium lucidum Coll. Tracey, Viola Call 1962-4-13 2132 Riverside On level ridge near head of Tin Mine Canyon. SE of Corona. 640 Comment
  UCSB18674  Lomatium mohavense Winn, Will 1963-5-5 Riverside Pinyon Flats Campground 1219 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
  UCR54454  Lonicera subspicata A. C. Sanders, E. J. Lawlor 1988-10-22 8733 Riverside Peninsular Range; Santa Rosa Mountains, Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine 1200 Comment
  UCR89901  Lonicera subspicata A. C. Sanders 1995-11-26 17910 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  RSA609829  Lonicera subspicata var. denudata R. S. Woglum 1937-5-22 530 Riverside Temecula. Comment
  RSA90073  Lotus argophyllus var. argophyllus F. W. Peirson 1921-3-22 4092 Riverside Andreas Canyon, Palm Springs region Comment
  UCSC000919  Lotus crassifolius Peter Kamb 1947-6-7 572 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  IRVC26259  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek Perris-Aguanga Basin region 396 Comment
  UCR100025  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 20000 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR82906  Lotus heermannii A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15798 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR169469  Lotus humistratus John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UCR213843  Lotus nevadensis Scott D. White, Justin M. Wood 2009-5-21 12858 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  POM259687  Lotus rigidus P. A. Munz 1940-3-23 15717 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  CSUSB1264  Lotus scoparius Holzmiller 1966-4-9 Riverside Mary Knoll Hills, 50 feet below water tank. 274 Comment
  RSA0037335  Lotus scoparius subsp. scoparius Bob Rogers 1984-4-21 15 Riverside Collected 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
  RSA757778  Lotus scoparius var. brevialatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4330 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UC864901  Lotus scoparius var. brevialatus I. W. Clokey and B. C. Templeton 1930-4-9 4677 Riverside n of Palm Springs 170 Comment
  RSA522082  Lotus strigosus Steve Boyd, T. S. Ross, Kyle Boyd 1989-6-24 3748 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  RSA522759  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3866 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA525409  Lotus strigosus Steve Boyd, Laurel Arnseth, Yvonne Rasmusson, Hugo Cota 1990-5-3 4517 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA614704  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1325 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  RSA678932  Lotus strigosus Scott D. White, Michael Honer 2003-6-3 9475 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR167821  Lotus strigosus 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
  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
  SEINET7042771  Lotus strigosus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  RSA524481  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4045 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA49387  Lotus tomentellus P. A. Munz 1949-4-12 13025 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  RSA498756  Lotus tomentellus H. de Forest 1937-3-15 418 Riverside South of Rice. 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
  RSA124265  Lupinus arizonicus E. K. Balls, Percy C. Everett 1958-3-20 22937 Riverside South base of Eagle Mts., U.S. Hwy 60/70. 366 Comment
  RSA414841  Lupinus arizonicus T. S. Clare, Johnston 1930-4-13 s.n. Riverside Palm Spring. 305 Comment
  RSA747725  Lupinus arizonicus Scott D. White, Justin M. Wood 2009-3-24 12579 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
  UC1546729  Lupinus arizonicus Barry A. Prigge 1988-2-21 7836 Riverside 2 mi W of Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UC710910  Lupinus arizonicus C. L. Hitchcock 1940-4-4 5961 Riverside Pinto Basin Comment
  UCR103307  Lupinus arizonicus George K. Helmkamp 1998-4-4 3156 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR148445  Lupinus arizonicus John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  UCSB41259  Lupinus arizonicus Cowan, Clark 1978-4-23 Riverside 6.3 mi. (10 km.) S on Hwy. 74 from its junction with Hwy. 111, at Indian Wells; Whittaker transect #W-219 (voucher) 480 Comment
  RSA763417  Lupinus bicolor Scott D. White, Justin M. Wood 2009-5-21 12880 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCD107309  Lupinus bicolor R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR87664  Lupinus bicolor A. C. Sanders 1994-5-29 14561 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA613464  Lupinus bicolor subsp. microphyllus D. L. Banks, Victor W. Steinmann 1997-3-13 1457 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
  UCR95959  Lupinus concinnus Scott D. White 1996-8-1 4417 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA297751  Lupinus concinnus subsp. optatus Barbara Ertter, J. Strachan 1979-6-26 2982 Riverside Hwy 243 near Idyllwild, San Jacinto Mtns Comment
  SBBG13893  Lupinus excubitus H. and M. Dearing 1940-6-8 4346 Riverside W of Ribbonwood, Palms to Pine Hwy 1219 Comment
  UC213289  Lupinus excubitus I. M. Johnston 1918-4-27 1869 Riverside near Elsinore; near Elsinore 396 Comment
  RSA282756  Lupinus excubitus var. austromontanus C. W. Tilforth, B. Busenberg 1980-6-10 1995 Riverside Ca. 1/2 mile south of Thomas Mtn Campground, at summit of Thomas Mtn. Rd. , west of Hwy 74 and south of Lake Hemet. 2043 Comment
  RSA0118396  Lupinus formosus Lyman Benson 1946-4-15 12012 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. Drainage Area: Pacific Slope. 609 Comment
  CLARK-A1528-2839  Lupinus hirsutissimus John C. Roos 1938-4-4 731 Riverside La Sierra Comment
  RSA528098  Lupinus hirsutissimus Steve Myers 1991-4-15 91 -20 Riverside City of Banning, W of fields Road, N of Interstate 10 and S o the Morongo Indian Reservation. 671 Comment
  RSA581746  Lupinus hirsutissimus M. Wall, L. Fuentes 1995-4-13 97 Riverside San Jacinto Mountains, along Hwy 243, 3.0 miles south of Interstate 10 out of Banning, road pull out north of sloping, broad Canyon, 1993 burn area. Comment
  RSA652184  Lupinus hirsutissimus Jim M. Morrow 1959-5-10 s.n. Riverside Near Teneja road, Vail ranch, appx. 5 mi. South of Murrieta. 677 Comment
  RSA87025  Lupinus microcarpus var. densiflorus F. W. Peirson 1914-04 705 Riverside Whitewater at head of Coachella Valley. Comment
  SEINET7063561 Image available Lupinus odoratus A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  JOTR34176  Lupinus sparsiflorus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 137 Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  JOTR34361  Lupinus sparsiflorus Andre, Jim 2012-4-16 20876 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  OBI30745  Lupinus sparsiflorus Rhonda Riggins 1982-4-15 1344 Riverside CA 371 3.6 mi N jct CA 79 in Aguanga 610 Comment
  UCR16253  Lupinus sparsiflorus W. C. Anderson 1968-4-22 680422- 4 Riverside Sonoran (Colorado) Desert, 2 mi. south of Cottonwood Guard Station, Joshua Tree National Monument [now Park] Comment
  RSA0028835  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55500 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA414274  Lupinus sparsiflorus subsp. sparsiflorus Ora M. Clark 1929-2-23 1524 Riverside North Whitewater. Comment
  RSA86973  Lupinus sparsiflorus subsp. sparsiflorus F. W. Peirson 1921-3-19 7717 Riverside Whitewater Grade about 2 miles east of Banning Comment
  SBBG47524  Lupinus succulentus M. B. Dunkle 1934-3-18 3863 Riverside Moreno 487 Comment
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Nov 30 2016
  UC1537131  Lupinus succulentus Gordon H. True Jr. 1935-4-5 211 Riverside near Gavilan Peak Gavilan Hills; , Gavilan Hills 640 Comment
  UCR154976  Lupinus succulentus A. C. Sanders, Kelly Volansky 2005-3-17 29211 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA180234  Lupinus truncatus E. W. Lathrop 1965-4-30 5702 Riverside 5 miles W of Murrieta. 610 Comment
  UC1930004  Lupinus truncatus Scott D. White, Michael Honer 2003-4-25 9097 Riverside SAN BERNARDINO MTS: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of Road, on alluvial fan adjacent steep east-facing mountain slope. Comment
  UCR117092  Lupinus truncatus A. C. Sanders, T. B. Salvato 2001-5-16 24294 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR166173  Lupinus truncatus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  JOTR29587  Lycium andersonii Andre, Jim 2006-4-26 6780 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA0126632  Lycium andersonii Duncan S. Bell 2016-3-4 8805 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  UCSB38066  Lycium andersonii Roos, John 1981-8-1 Riverside 2 miles east of Desert Center Comment
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May 21 2016
  CAS-BOT-BC231481  Lycium brevipes var. brevipes W. I. Follett; E. B. Follett 1966-4-25 s.n. Riverside Ancient beach line N. of Salton Sea State Park headquarters Comment
  POM80076  Lycium brevipes var. hassei Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  JOTR36409  Lycium cooperi La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3358 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA80303  Lycium torreyi F. W. Peirson 1916-4-1 1087 Riverside Palm Springs region, head of Coachella Valley. Comment
  UCR140719  Lythrum californicum A. C. Sanders 2004-5-12 27890 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  RSA0107901  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell, Thomas Stoughton 2010-3-19 575 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  RSA543955  Madia gracilis Steve Boyd, Orlando Mistretta 1991-5-9 6186 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBride Canyons 549 Comment
  SD181691  Madia gracilis Scott D. White, Sandy Leatherman 2000-5-31 7989 Riverside Near Squaw Mountain. 640 Comment
  UC1608214  Madia gracilis Steve Boyd and Tim Ross 1992-6-10 7629 Riverside due w junction of Tenaja Road (7S01) and Los Alamos Road (7S04) (at confluence of Los Alamos Creek & main trunk of San Mateo Creek, San Mateo Canyon about Potrero Escondido, isolated area of low relief top the ridge); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 670 Comment
  UCR193120  Madia gracilis A. C. Sanders, Tim Thomas 2008-6-20 35557 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  CAS-BOT-BC345283  Malacothrix californica Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA759211  Malacothrix clevelandii Robt Allen 2008-5-17 s.n. Riverside Bear Canyon Trail. Near boundary of San Mateo Wilderness 675 Comment
  UCR193312  Malacothrix clevelandii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35596 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  RSA668342  Malacothrix glabrata C. R. Annable 1995-3-12 2271 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  RSA700098  Malacothrix glabrata Virginia Moran 2003-3-26 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center fot Natural Lands Management. Section 27 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  UC63104  Malacothrix glabrata H. M. Hall May, 1901 Riverside vicinity Riverside; West Riverside Comment
  UC990705  Malacothrix glabrata Roxana S. Ferris and R. Bacigalupi 1953-4-20 12633 Riverside between crossing of Eagle Mt. Iron Mine R.R. and Shaver Summit (s of hayfields, U.S. Highways 60 and 70) Comment
  UCR133951  Malacothrix glabrata Mitch Provance, J. S. Ross 1998-3-27 MOR- 978 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  SEINET10908382  Malacothrix glabrata David B. Dunn 1948-3-14 Dunn 3776 Riverside Chickory; flat open sands near Hidden Springs Ranch. 3 miles south of the Indio Hills, Colorado Desert. Comment
  SD185106  Malosma laurina T. B. Salvato, Melissa Clemons 2005-6-23 1322 Riverside Temescal Valley, 3.0 miles northwest of Alberhill. 353 Comment
  UC1130508  Malosma laurina A. Lewis Feb 1934 265 Riverside 3 mi. e. Auburndale; Corona Quad. 91 Comment
  RSA92732  Malosma laurina J. C. Roos, Lucille Roos 1954-7-10 6191 Riverside North side Pigeon Pass, Box Springs Mountains. 488 Comment
  POM265802  Malvella leprosa J. C. Roos 1937-5-23 2308 Riverside La Sierra, West Riverside County Comment
  UCR88294  Mammillaria tetrancistra A. C. Sanders, K. C. Rose 1995-4-5 16378 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UC28936  Marah macrocarpa Wright 1890-1 Riverside Colorado Desert Comment
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Nov 29 2010
  UCR215516  Marah macrocarpa Daphne K. Christopher, Hannah I. Stevens 2003-4-4 092 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR24179  Marah macrocarpa John C. Roos 1966-4-23 s.n. Riverside Peninsular Range; Santa Ana Mtns, south of Corona Comment
  JOTR30693  Marina parryi La Doux, Tasha, Jim Andre 2008-9-13 266 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  UCR104028  Marina parryi George K. Helmkamp 1998-4-4 3154 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCSB59680  Marina parryi Boyd, Steve; Meury, S.; Noyes, R. 1988-3-10 Riverside N end Palen Mtns., 2 mi. west of Palen Pass 300 Comment
  RSA91429  Marina parryi F. W. Peirson 1921-3-23 2383 Riverside Deep Canyon Wash, 12 miles southeast of Palm Spring 229 Comment
  SDSU12873  Marrubium vulgare J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 28 Riverside Approximately 400 feet from Santa Margarita (SDSU) Field Station trailer South side of trail leading down into Santa Margarita River Gorge, north of river. 335 Comment
  UCR20746  Marrubium vulgare A. C. Sanders, Steve Boyd 1980-5-2 01452 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UC219238  Marsilea vestita subsp. vestita P. A. Munz and I. M. Johnston 1922-5-5 5154 Riverside near Moreno (Mystic Lake) 426 Comment
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Mar 20 2011
  CAS-BOT-BC348065  Matricaria discoidea Scott D. White 1996-4-14 3888 Riverside Perris Basin, W Riverside Co. Hemet: along Florida Ave. Comment
  UCR120167  Matricaria matricarioides Mitch Provance 1998-3-5 188 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR174516  Matricaria matricarioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32510 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR116900  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  SEINET7106389  Matthiola incana N. Duane Atwood 1993-3-28 17719 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game.; 0 Comment
  RSA652171  Medicago polymorpha W. H. Grady 1948-5-6 s.n. Riverside Found 2 mi. west of Riverside near drainage ditch, west of Santa Ana River. 243 Comment
  UCR139035  Medicago polymorpha D. L. Banks, V. W. Steinmann 1997-3-13 1437 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  POM348042  Medicago polymorpha H. de Forest 1929-3-16 14643 Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  RSA689490  Melaleuca A. C. Sanders, Dana Klatt 2001-8-14 24592 Riverside UCR campus at University Bldg. S (old Citrus Expt. Sta. Director s residemce area) 351 Comment
  CAS-BOT-BC271706  Melica frutescens Marcus E. Jones 1882-4-25 3554 Riverside San Jacinto Comment
  JOTR33753  Melica frutescens La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2751 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA660487  Melica frutescens A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23442 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  SBBG122770  Melica frutescens A. Parikh 1990-5-8 164 Riverside Motte Rimrock Reserve, W of Perris Valley, 0.6 km S of Cajalco Rd, 1 km E of Old Elsinore Rd 518 Comment
  SBBG56866  Melica imperfecta M. N. Ackley 1928-4-1 57 Riverside Snow Crk, Mt San Jacinto 518 Comment
  UCR41432  Melilotus albus Scott Cantrell, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional Park. south side of the river 207 Comment
  UCR94927  Mentha spicata Scott D. White 1996-8-15 4477 Riverside San Jacinto Mtns., Strawberry Creek at Hwy 74 bridge 900 Comment
  HSC85404  Mentzelia affinis Steve Boyd 1986-4-20 1722 Riverside Gavilan Hills: Santa Rosa Rd. just W of Piedras Rd. Comment
  POM14265  Mentzelia affinis P. A. Munz 1922-4-9 4812 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  UC1929461  Mentzelia desertorum Scott D. White 2001-4-12 8307 Riverside COLORADO DESERT: Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. Comment
  UCR244728  Mentzelia desertorum Jim Andre 2012-3-19 21345 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  RSA717446  Mentzelia involucrata Scott D. White, Pam DeVries 2006-3-14 11258 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCR232515  Mentzelia involucrata Dave Silverman 2010-3-30 7890 Riverside Sonoran (Colorado) Desert, east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 175 Comment
  UCSB8382  Mentzelia involucrata Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
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Nov 23 2014
  UCR123754  Mentzelia involucrata var. megalantha Steven R. Hill 2001-4-29 33541 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
  UCR72156  Mentzelia longiloba var. longiloba Theo Glenn 1991-5-8 91- 83 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA446776  Mentzelia micrantha M. B. Dunkle 1934-6-18 3975 Riverside Upper San Juan Canyon. Comment
  RSA740070  Mentzelia veatchiana Scott D. White, Justin M. Wood 2008-6-16 12133 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  LA209014  Micranthes californica Harlan Lewis; 1937-3-19 Riverside Reche Canyon 487 Comment
  UCR160323  Micropus californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  UCR94262  Microseris douglasii subsp. douglasii Scott D. White 1996-4-14 3895 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  UCR120852A  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-4-14 2326 A Riverside Gavilan Hills, Black Rocks area, NE of Black Rocks and 1.2 km south of Cajalco Rd., east of orange groves 445 Comment
  UCR91478  Microseris douglasii subsp. platycarpha Scott D. White, M. Jacobsmeyer 1996-4-20 3945 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  UCR281220  Microseris heterocarpa Mitch Provance, Jeremiah George 2017-3-23 317- 41 Riverside Temescal Valley, east side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail 361 Comment
  RSA500094  Microseris lindleyi Steve Boyd, Lewis S. Ross, Laurel Arnseth 1989-4-2 3216 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR162277  Microseris lindleyi S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR162284  Microseris lindleyi S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR21294  Microseris lindleyi A. C. Sanders, K. Berg 1980-5-1 1350 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  CLARK-A1528-272  Microseris linearifolia C. M. Flanagan 1973-5-31 OO 631 Riverside Morongo Indian Reservation 975 Comment
  UCD39068  Mimulus aurantiacus Beecher Crampton 1963-5-7 6781 Riverside 2 miles west Lakeland Village, Elsinore Mtns. Cleveland National Forest. 609 Comment
  POM8468  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  UC64207  Mimulus aurantiacus var. pubescens H. M. Hall Mar. 1898 Riverside Riverside Comment
  UC943881  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 E Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UC987817  Mimulus aurantiacus var. pubescens Reid Moran 1941-5-5 845 Riverside e Quail Spring; Joshua Tree National Monument 1300 Comment
  UCR26977  Mimulus aurantiacus var. pubescens E. W. Lathrop 1966-5-8 6478 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCR91608  Mimulus aurantiacus var. puniceus D. L. Banks, Steve Boyd 1995-3-30 0132 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
  CLARK-A1528-859  Mimulus bigelovii Charlotte Stocks 1963-4-15 Riverside Box Canyon Comment
  RSA408172  Mimulus brevipes N. C. Cooper 1944-5-21 1223 Riverside Hemet. 549 Comment
  RSA525674  Mimulus brevipes Steve Boyd 1990-5-3 4545 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UC454132  Mimulus brevipes I. J. Condit 1910-6-24 Riverside road to Idyllwild; San Jacinto Mts. 914 Comment
  UC1929864  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9600 Riverside Near Rainbow Valley.: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. Comment
  RSA535568  Mimulus fremontii var. fremontii David M. Thompson 1988-4-8 869 Riverside 0.4 mi S of Indian Valley Truck Trail interchange (I-15) along frontage road on NE side of I-15. Between I-15 and frontage road near summit of S bank of Indian Creek. 351 Comment
  UCR35245  Mimulus fremontii var. fremontii L. B. Ziegler 1967-6-18 221 Riverside San Jacinto Mtns., SW slope of Thomas Mountain at edge of Cahuilla Valley 1341 Comment
  UCSC000872  Mimulus guttatus Peter Kamb 1947-6-7 580 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  JEPS10766  Mimulus inodorus W. L. Jepson 1903-8-8 2300 Riverside Tauquitz Valley San Jacinto Mt. 2286 Comment
  RSA720618  Mimulus pilosus Naomi Fraga, Dolores Gault, Tim Thibault, Michael Wall 2005-5-19 1565 Riverside Along trail alongside Elsinore Peak. Comment
  UC27087  Mimulus primuloides H. M. Hall 1897-1 708 Riverside San Jacinto Mountains 1828 Comment
  CAS-BOT-BC388773  Minuartia douglasii Steve Boyd 1986-4-22 1773 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15 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
  POM293184  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12022 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  SD143816  Mirabilis laevis var. crassifolia A. C. Sanders, G. Waines, et al. 1997-3-12 19886 Riverside Lake Skinner area; lower Rawson Canyon, northeast of the lake and southwest of Black Mountain. 518 Comment
  SD247675  Mirabilis laevis var. crassifolia J. Mark Porter, Lauren E. Machen 1997-2-15 11420 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  UC1228586  Mirabilis laevis var. crassifolia C. L. Hitchcock and C. V. Muhlick 1962-3-16 22148 Riverside Temescal Canyon, ca, 12 miles SE of Corona Comment
  RSA0027989  Mirabilis laevis var. crassifolia Lydia Paneri 1982-4-17 63 Riverside Flat field south of Cajalco Road, 0.3 miles east of La Sierra Hwy. Comment
  CAS-BOT-BC434820  Mirabilis laevis var. retrorsa Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  POM757  Mirabilis laevis var. retrorsa I. M. Johnston 1917-4-4 s.n. Riverside Colorado Desert: Palm Canyon. 305 Comment
  RSA124431  Mirabilis laevis var. retrorsa Percy C. Everett, E. K. Balls 1958-5-4 23979 Riverside 2 miles N. along rd. to 29 Palms, from jct. with U.S. Hwy. 60/70. 457 Comment
  RSA652388  Mirabilis laevis var. retrorsa J. Bruce Smiley 1940-3-16 s.n. Riverside Mouth of White water 610 Comment
  SD123928  Mirabilis laevis var. retrorsa Robert Thorne, Fosberg, et al 1983-4-23 55411 Riverside San Befrnardino Mountains; mouth of Whitewater Canyon, east of Whiotewater Post Office at south end of ridge, in sandy wash east of bridge and on base of west-facing slope of ridge. 410 Comment
  SEINET3161562  Mirabilis laevis var. retrorsa J. Henrickson 1973-3-18 8609 Riverside ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger at N end of Coyote Canyon Road, on the first steep grade down to canyon 823 Comment
  RSA0112094  Mirabilis laevis var. villosa Duncan S. Bell 2010-2-20 541 Riverside Arica Mountains; collecting in drainage in the southeast section of range, approx. 0.75 air mile west of Priest Well. 336 Comment
  RSA554012  Mohavea confertiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12147 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA776136  Mohavea confertiflora Duncan S. Bell, Amanda Turek 2010-4-10 806 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UC1063092  Mohavea confertiflora H. S. Yates 1937-3-23 6429 Riverside Painted Canyon 121 Comment
  UCSB17614  Mohavea confertiflora Gerhart, Janet 1963-4-6 Riverside Coachella Canal; siphon #22; 5 mi S of intersection with Salt Creek Wash Comment
  SEINET12345268  Mohavea confertiflora S. B. Parish, Parish, W. F. 1881-1 209 Riverside Whitewater Comment
  JOTR35423  Mollugo cerviana Harding, Mitzi, Mark Wheeler 2012-9-4 188 Riverside Joshua Tree National Park. Pinto Basin; near turkey flats parking area; sandy flats (Stop 1) 509 Comment
  RSA782035  Mollugo cerviana Duncan S. Bell 2011-10-22 2978 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA408712  Monardella australis subsp. australis F. W. Peirson 1924-7-27 4993 Riverside Dark Canyon, near Deer Springs, San Jacinto Mts. Comment
  SD4394  Monardella breweri subsp. lanceolata Florence Youngberg 1933-8-26 Riverside Idyllwild Pines, San Jacinto Mountains. Comment
  RSA587580  Monardella lanceolata D. L. Banks, Steve Boyd 1995-6-15 704 Riverside NW Palomar Mountains; Agua Tibia Mountains; Devils Hole area, NNE of the Crosley Homestead; On the Crosley Road, approximately 0.2 miles N from its junction with the Cutca Road. 732 Comment
  UCR132926  Monardella linoides subsp. linoides John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA750310  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 126 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  RSA750316  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 131 Riverside San Jacinto Mts. On the Idyllwild road, a shot distance below the Keen Camp turn off, in the canyon where the Pseudotsugas first occur. Comment
  SEINET10498940  Monardella odoratissima subsp. australis David B. Dunn 1946-8-18 Dunn 2744 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mtns Comment
  RSA11599  Monardella robisonii C. Epling, Wm. Robinson 1933-6-26 s.n. Riverside Little San Bernardino Mountains. Key s View. 1524 Comment
  POM363582  Monoptilon bellioides Anstruther Davidson 1901-02 s.n. Riverside Near Palm Springs, base of San Jacinto Mtns. Comment
  RSA32426  Monoptilon bellioides N. C. Cooper 1944-3-25 1035 Riverside Morongo Pass. 457 Comment
  RSA784777  Monoptilon bellioides Duncan S. Bell 2012-3-18 3181 Riverside The Mecca Hills; southeastern section of hills; in labyrinthian slot canyons to the east of Hidden Canyon, approximately 2.2 air miles southwest of Hidden Spring. 74 Comment
  RSA356703  Montia fontana R. F. Thorne, Earl Lathrop 1975-5-20 45502 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  RSA403582  Muhlenbergia microsperma Thekla Mohr 1920-05 s.n. Riverside Ivy Canyon, Temescal. Comment
  SEINET212451 Image available Muhlenbergia microsperma Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-21 6436 Riverside Big Maria Mountains 12 airline miles north of downtown Blythe. 290 Comment
  UCD86834  Muhlenbergia microsperma G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2724 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mile S of Checkwalla Rd. on Graham Pass Rd. Comment
  UCR90300  Muhlenbergia microsperma F. M. Reed 1920-5-24 4351 Riverside Riverside, Box Springs Mtns: Canyon east of Highgrove, above Eureka Ranch 396 Comment
  UCR49990  Muhlenbergia rigens S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  VVC542  Muilla maritima A. C. Sanders, J. Mac 1997-5-4 20699 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  SD144138  Najas marina A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart, C. L. Sanders 1994-12-4 15884 Riverside Colorado Desert, Salton Sink, Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas); Durmid 7.5' quad. Submerged aquatic in one pond. -36 Comment
  UCR279580  Nama demissa A. C. Sanders, Jim Malusa 2017-3-28 43151 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
  SD240927  Nama hispida var. spathulata Dave Silverman, Onkar Singh 2010-3-27 7862 Riverside McCoy Wash, N of Palo Verde Mesa, 4.95 km WSW of Mesaville siding, W of A Canal/Levee Blvd., & ca, 6.5 km N of Blythe Airport. 131 Comment
  RSA192227  Nassella cernua E. W. Lathrop 1960-5-6 4789 Riverside 10 miles west of Murrieta. Comment
  RSA263725  Nassella pulchra E. W. Lathrop 1966-3-23 6093 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  UCR90341  Navarretia atractyloides Scott D. White 1995-6-30 3440 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA543870  Navarretia fossalis Steve Boyd, Dave Bramlet 1991-5-13 6229 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR166713  Navarretia hamata Scott D. White, Jennifer H. Jones 2005-5-25 11113 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment
  RSA760323  Navarretia intertexta R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55217 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  UC178672  Nemacaulis denudata var. gracilis Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater 304 Comment
  RSA336417  Nemacladus glanduliferus R. F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52047 Riverside Palm Desert area: Just E of Palm Desert, foot of N slope of Santa Rosa Mountains. Comment
  SEINET10461231  Nemacladus glanduliferus var. glanduliferus Boyd 1988-3-10 BOYD 2134 Riverside North end Palen Mountains, 2 miles west of Palen Pass North end Palen Mountains, 2 miles west of Palen Pass 300 Comment
  SEINET10464884  Nemacladus glanduliferus var. orientalis Rimo Bacigalupi, Roxana S. Ferris 1958-3-21 Bacigalupi 6252 Riverside Wash issuing from eastern slope of the Big Maria Mts., 0.25 mile above its debouchment into the Colorado River, 11.3 miles north of Blythe 171 Comment
  RSA0126450  Nemacladus longiflorus var. longiflorus C. W. Tilforth, B. Busenburg 1980-6-17 2012 Riverside Along Thomas Mtn Rd south of Lake Hemet, west of Hwy 74. 1662 Comment
  POM316889  Nemacladus orientalis Marcus E. Jones 1930-4-2 26444 Riverside Hayfields Comment
  UCR138569  Nemacladus orientalis Steve Boyd, Orlando Mistretta 1986-3-13 1460 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR20301A  Nemacladus orientalis John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  RSA659780  Nemacladus ramosissimus J. C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  JOTR36116  Nemacladus rubescens La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam 2008-4-1 3046 Riverside Joshua Tree National Park. Little San Bernardino Mountains; southwest of Panorama Heights area of Joshua Tree; large bouldery wash running through northern corner of JOTR boundary 895 Comment
  RSA729021  Nemacladus rubescens R. F. Thorne 1973-3-30 42659 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  SD5030  Nemacladus rubescens Edmund C. Jaeger 1926-2-2 Riverside CaA'on Springs, Salt Creek Wash near Dos Palmos. Comment
  RSA510051  Nemacladus tenuis var. aliformis B. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 604 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  POM305713  Nemophila menziesii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1026 Riverside Hemet-Anza, Bautista Creek Road. Comment
  UC63798  Nemophila menziesii H. M. Hall 1897-3-20 406 Riverside Temescal Mts. 457 Comment
  UCR49231  Nemophila menziesii Steve Boyd 1980-5-8 1610 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  RSA0059611  Nemophila menziesii 1917-4-4 Riverside Palm Canyon 762 Comment
  CSUSB120  Nemophila menziesii var. menziesii J. R. Sweeten 1965-4-21 Riverside About 1 mile southwest of Lake Matthews Dam; near roadside on steep slope; Riverside. Comment
  POM363669  Nicolletia occidentalis Jack Rempel, Erwin Miller 1934-4-28 18733 Riverside S of Pass between Horse and Pleasant Valleys Wash 1220 Comment
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Dec 11 2011
  UCR113857  Nicotiana acuminata var. multiflora Mitch Provance 2000-6-24 2040 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  JEPS12281  Nicotiana attenuata Carl V. Meyer 1928-7-26 523 a Riverside right above Dutch Flat (Hannah's sawmill); San Jacinto Mts. Comment
  UC474949  Nicotiana obtusifolia T. R. Gaines 1932-3-25 Riverside below Palm Springs (at foot of Santa Rosa Mts, at border of desert) 60 Comment
  UCR114314  Nicotiana quadrivalvis Mitch Provance 1998-3-21 274 Riverside Jurupa Hills, Sunnyslope, Ormand Quarry. 280 Comment
  RSA0124815  Nolina bigelovii Duncan S. Bell, LeRoy Gross 2016-3-9 8852 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA628244  Nolina bigelovii A. C. Sanders, G. K. Helmkamp, O. F. Clarke, B. Pitzer, et al. 1996-11-9 19645 Riverside Colorado Desert: Orocopia Mountains., near ''Bob's Cabin'', 5 mi. (air) S of Hayfield Pump Station, E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo. 610 Comment
  POM11862  Notholaena californica subsp. californica P. A. Munz, I. M. Johnston 1922-5-21 5551 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  LA206154  Oenothera deltoides A. M. Johnson; 1932-3-20 3903 Riverside Indian Wells, below Palm Springs Comment
  RSA0056392  Oenothera leptocarpa James R. Shevock 1972-3-5 1420 Riverside Highway 71, near Pauba Valley. 304 Comment
  CAS-BOT-BC427464  Oligomeris linifolia W. L. Jepson 1914-5-21 6059 Riverside Colorado Desert. Indio 7 Comment
  CAS-BOT-BC427468  Oligomeris linifolia Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  CAS-BOT-BC427471  Oligomeris linifolia Ira L. Wiggins 1941-3-24 9581 Riverside Beach along eastern margin of Salton Sea, 3.5 miles south of Mortmar Comment
  RSA0108823  Oligomeris linifolia Duncan S. Bell, Amanda Turek 2009-3-30 180 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA399179  Oligomeris linifolia N. C. Cooper 1949-4-8 3283 Riverside Shaver's Summit east of Indio. 610 Comment
  SBBG104704  Oligomeris linifolia T. Glenn 1991-5-2 91 -34 Riverside McCoy Mtns NW of Blythe 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
  RSA698037  Olneya tesota J. R. Bruff 1928-12-29 403 Riverside Lone Cottonwood Ranch 2 mi. SE of Dos Palms. Comment
  RSA799932  Olneya tesota Justin M. Wood, D. M. Ray 2011-4-28 3842 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  CAS-BOT-BC227102  Oncosiphon piluliferum R. E. Riefner, Jr. 2011-5-31 11 -61 Riverside French Valley, immediately NE of Hwy 79 and the intersection with Algarve Ave. 415 Comment
  UCR169878  Oncosiphon piluliferum Chet McGaugh 2006-2-20 s.n. Riverside N edge of Perris near Granite Spur, 1 mile south of Ramona Expressway at intersection of Webster Ave. and Rider St., 0.25 mi. east of I-215 454 Comment
  POM274017  Opuntia parryi Lyman Benson 1933-3-31 4148 Riverside US 66 [actually US 60], 10 mi E of Banning. 457 Comment
  SD229121  Opuntia phaeacantha Dick Schwenkmeyer 2012-3-26 685 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA740920  Orobanche californica subsp. feudgei Justin M. Wood, Brandy N. Ulrich 2008-7-14 18 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  CDA42114  Orobanche cooperi Earl Asker 1956-5-14 s.n. Riverside H. & A. Ranch, 64th Ave and Grant, near Mecca. 0 Comment
  JEPS85942  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4522 Riverside ca 16 mi ne Desert Center (along Rice Rd) Comment
  UCR80799  Orobanche fasciculata Scott D. White 1993-5-29 1444 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA0078552  Orobanche parishii Sara M. Schenck 1941-11-2 s.n. Riverside Smith Water Canyon, Joshua Tree National Monument. Comment
  RSA556503  Orthocarpus purpurascens Julie Greene 1993-4-3 1093 Riverside San Jacinto Wildlife Area: west of dirt road. 445 Comment
  UC1333287  Osmadenia tenella Charles B. Fiker 1946-6-17 3591 Riverside San Mateo Canyon Comment
  UCR23258  Osmorhiza chilensis J. C. Lyman 1981-5-29 s.n. Riverside Peninsular Range; San Jacinto Mtns., Desert Sun School, Idyllwild 1677 Comment
  RSA191391  Oxalis albicans subsp. pilosa E. W. Lathrop, Robert F. Thorne 1967-10-27 6673 Riverside 5 mi. NW of Murrietta, Santa Rosa Ranch. Comment
  UCR44206  Oxytheca emarginata A. C. Sanders 1986-6-1 s.n. Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UC465835  Oxytheca trilobata F. M. Reed 1908-7-14 2555 Riverside ridge above Strawberry Valley; San Jacinto Mountains 1737 Comment
  UCR202001  Oxytheca trilobata 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
  CLARK-A1528-692  Paeonia californica John C. Roos 1937-4-17 Riverside Aguanga Comment
  POM11906  Paeonia californica P. A. Munz 1922-4-29 5112 Riverside E of Aguanga, Riverside Comment
  SEINET10537850  Paeonia californica James S. Miller 1992-5-8 Miller 7458 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  RSA781610  Palafoxia arida Duncan S. Bell 2011-12-30 3038 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  RSA370869  Panicum capillare R. F. Thorne, S. Boyd, E. Lathrop 1985-7-18 61272 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  SBBG93136  Panicum capillare S. Myers 1989-7-14 Riverside ca. 0.75 mi W of confluence of Murrieta Crk and Santa Margarita River, ca. 1.25 mi SSW of Temecula Comment
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Jun 8 2013
  UCR2613  Panicum miliaceum F. M. Reed 1910-10-14 3112 Riverside Riverside: margin of cultivated orchard, Bundy Lot 305 Comment
  RSA768243  Parietaria hespera Justin M. Wood 2010-5-19 1840 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  SD247518  Parietaria hespera var. hespera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41551 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns: opp. S. Cal. Edison Ivy Glen Substn, Temescal Valley, mouth of Meyhew Cyn , W of I-15 crossing of Temescal Canyon Rd, N of mining operation, 0.6 km SE (101a^z) of Temescal Fire Station (Lake Mathews 7.5'Q) 328 Comment
  JEPS121546  Parkinsonia florida Adam C. Schneider with Will Freyman 2014-2-16 392 Riverside Box Canyon Road. Comment
  UCR166533  Parkinsonia florida Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10894 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  CAS-BOT-BC259739  Paspalum distichum H. A. Zuill 1966-6-19 230 Riverside Cole Canyon, about 1-2 miles [?] Murrieta Comment
  RSA0049953  Pectis papposa A. C. Sanders, T. B. Salvato 2012-10-12 40436 Riverside Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail. 151 Comment
  SEINET6196074  Pectis papposa Stephanie Rockwood, Christi Gabriel 2011-1 119 Riverside Colorado Desert; Northeastern Colorado Desert region:Ford Dry Lake Area' Pallen Dunes Road. 110 exit 217. Chuckwalla Valley. (Hopkins Well: T6S R20E S31) 109 Comment
  RSA780560  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 60 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  RSA782787  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-4 054 Riverside Red Cloud Wash Road exit from I10. Follow Red Cloud Wash Rd approximately 5.5 miles. Chuckwalla Bench ACEC. 593 Comment
  CAS-BOT-BC169718  Pectocarya anisocarpa C. F. Baker 1904-4-5 4139 Riverside Hemet Comment
  RSA0028398  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4978 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
  RSA522750  Pectocarya linearis subsp. ferocula Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3857 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR281239  Pectocarya penicillata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 51 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  SBBG81515  Pectocarya platycarpa S. A. Junak 1983-3-23 1621 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR279359  Pectocarya platycarpa A. C. Sanders, Jim Malusa 2017-3-24 42966 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA524606  Pectocarya recurvata Steve Boyd 1990-3-29 3929 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA709881  Pectocarya recurvata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4625 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  RSA777632  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 769 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UC2015648  Pectocarya recurvata A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16151 Riverside Coachella Valley/San Jacinto Mtns., foothills: alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Cyn. Dr.) Comment
  UCR85238  Pectocarya recurvata A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 16000 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA102725  Pedicularis densiflora Mary F. Spencer 1922-4-25 1910 Riverside Lamb's Canyon, Banning 701 Comment
  UC76051  Pedicularis densiflora M. F. Gilman 1904-1 40 Riverside Banning Comment
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Mar 13 2011
  UC886638  Pedicularis densiflora P. A. Munz 1922-4-29 5117 Riverside 5 mi w of Aguanga 670 Comment
  UCR97288  Pedicularis densiflora Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3944 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  IRVC19343  Pellaea andromedifolia R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  RSA651845  Pellaea andromedifolia N. R. Zabriskie, Walter Zabriskie 1970-3-28 278 Riverside Andreas Canyon. [near Palm Springs] ca. 50 feet south of stream, almost opposite entrance to ''North Canyon''. 365 Comment
  UCR154446  Pellaea mucronata A. C. Sanders, Mike Misenhelter 2005-6-15 30986 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR162271  Pellaea mucronata S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  POM11863  Pellaea mucronata var. mucronata P. A. Munz, I. M. Johnston 1922-5-19 5408 Riverside San Jacinto Canyon: canyon bed, near mouth of Strawberry Creek. 1067 Comment
  POM305715  Penstemon X parishii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1024 Riverside Hemet-Anza, Bautista Creek Road. 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
  SD152743  Penstemon centranthifolius Steve Boyd 1992-4-15 6882 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 334 Comment
  UC54999 Image available Penstemon clevelandii H. M. Hall 1901-6-1 2149 Riverside along borders Colorado Desert; eastern base San Jacinto Mountains; near Van Deventers, San Jacinto Mts. Comment
  SD134368  Penstemon clevelandii var. connatus Craig Reiser 1991-5-27 Riverside Palms to Pines Highway near Santa Rosa Peak turnoff Comment
  SD51812  Penstemon clevelandii var. connatus Rimo Bacigalupi, L. R. Heckard 1953-5-5 4074 Riverside Western Riverside County. Along the Palms-to-Pines Highway (Calif. No. 74), above the seven level Hill, western slopes of Deep Canyon, about I(c) way betw. Santa Rosa Mts. And San Jacinto Mts, west side of Coachella Valley Comment
  RSA786958  Penstemon heterophyllus var. australis Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49543 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  RSA6012  Penstemon labrosus Carl B. Wolf 1932-8-4 3929 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  NY661195  Penstemon spectabilis var. spectabilis F. W. Pennell 1940-4-28 25282 Riverside Route 74, west slope of San Jacinto Range 1280.2 Comment
  SD46062  Penstemon spectabilis var. spectabilis Helen K. Sharsmith 1954-7-7 4445 Riverside San Jacinto Mountains, on highway between Banning and Idyllwild, near Fuller creek, San Bernardino National Forest 1829 Comment
  CAS-BOT-BC330350  Pentachaeta aurea Edmund C. Jaeger 1921-7-14 s.n. Riverside San Jacinto Mountains, Idyllwild 1584 Comment
  RSA200063  Pentachaeta aurea L. B. Ziegler 1967-8-1 s.n. Riverside Upper Hurkey Creek, southern part of San Jacinto Mountains 1524 Comment
  CAS-BOT-BC355987  Perityle emoryi F. H. Billings 1926-2-6 14 Riverside Andreas Canyon near Palm Springs Comment
  RSA608393  Perityle emoryi L. S. Rose 1935-12-23 35687 Riverside Above Deep Canyon, San Jacinto Mts, 13 miles S of Cathedral City. 610 Comment
  RSA779577  Perityle emoryi Duncan S. Bell 2009-3-7 9 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  SBBG65632  Perityle emoryi Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  SEINET3350021  Perityle emoryi Stephen Hale 2012-1 4821 Riverside Black Point Mesa, Big Maria Mts., 0.25 mi. W SR 95, 15 MI N. Blythe. 106 Comment
  UC1478692  Perityle emoryi Barry Prigge with L. Martinez 1978-3-23 2415 Riverside 1.2 mi e Sky Valley (near Dillon X Skyridge Roads); nw Colorado Desert 335 Comment
  UC485143  Perityle emoryi F. M. Reed 1917-5-19 3854 Riverside Colorado Desert , Palm Canyon Comment
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Aug 14 2010
  UCR242291  Perityle emoryi A. C. Sanders, T. B. Salvato 2012-10-12 40418 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  SEINET10800180  Perityle emoryi David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3710 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA23237  Petalonyx linearis Ernest Braunton 1940-03 2042 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA1253  Petalonyx thurberi B. D. Stark 1930-8-17 1584 Riverside Chuckawalla Valley, Colorado Desert, Riverside County Comment
  RSA784784  Petalonyx thurberi Duncan S. Bell 2012-3-18 3188 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SEINET3561306 Image available Petalonyx thurberi Lewis S. Rose 1938-10-19 38324 Riverside 6 miles south of Cathedral City. 46 Comment
  UCR110405  Petunia parviflora A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23174 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CAS-BOT-BC326728  Peucephyllum schottii L. A. Greata 1905-4-1 416 Riverside Coachella Comment
  CAS-BOT-BC326775  Peucephyllum schottii Aven Nelson; Ruth Nelson 1939-3-27 3291 Riverside Near Fish Springs west of teh Salton Sea Comment
  SEINET7248273 Image available Peucephyllum schottii Duncan S. Bell, LeRoy Gross 2014-1 6241 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA94106  Peucephyllum schottii F. W. Peirson 1919-4-13 4737 Riverside First canyon S of Palm Canyon near Palm Springs. Comment
  RSA496366  Phacelia Steve Boyd, Tim Ross, L. Arnseth 1989-3-19 3040 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  RSA286433  Phacelia ambigua Mary H. O Brien 1976-4-14 s.n. Riverside Roadside of Amboy Road 3 miles of Adobe Road in 29 Palms. 595 Comment
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Mar 29 2014
  RSA554433  Phacelia ambigua Theo Glenn 1991-5-8 91 -77 Riverside Sonoran (Colorado) Desert Big Maria Mtns, north of Blythe. 378 Comment
  RSA699149  Phacelia ambigua W. Marquart 1938-12-12 s.n. Riverside 15 mi. W. of Blythe. Comment
  UCR148850  Phacelia ambigua Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  RSA427681A  Phacelia brachyloba N. C. Cooper 1949-10-12 1389 Riverside San Jacinto Mountains: above Banning, dry rock crevice in road cut. 1372 Comment
  RSA525406  Phacelia brachyloba Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4515 Riverside Vail Lake area, benches along Kolb Crk. W of Dripping Springs, S of Hwy 79, at jtn w/ Woodchuck Rd. 488 Comment
  JOTR34220  Phacelia campanularia subsp. campanularia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2984 Riverside Joshua Tree National Park. Little San Bernardino Mts, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area Comment
  POM282658  Phacelia campanularia subsp. vasiformis Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver s Well, near Mecca, Colorado Desert. Comment
  UC131726  Phacelia campanularia subsp. vasiformis S. B. and W. F. Parish 1882-4-1 Riverside Morongo Comment
  UC494750  Phacelia campanularia subsp. vasiformis Philip A. Munz and C. L. Hitchcock 1932-4-9 12230 Riverside e Riverside Co. White Tanks Comment
  SD48483  Phacelia cicutaria var. hispida E. K. Balls, P. C. Everett 1958-3-19 22873 Riverside 1.0 mile east of Highway 71 to Elsinore. 198 Comment
  UC73671  Phacelia cicutaria var. hispida M. F. Gilman 1904-1 7 &8 Riverside Banning Comment
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Mar 13 2011
  UCR241819  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-4-2 40757 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UCR97708  Phacelia cicutaria var. hispida Scott D. White 1997-2-28 4716 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  JOTR35326  Phacelia crenulata var. ambigua Harding, Mitzi, Mark Wheeler 2012-2-28 93 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  UC1595664  Phacelia crenulata var. ambigua W. Wisura, J. Dolan, M. Wall 1992-3-24 4619 Riverside Box Canyon Rd 5.5 mi ne Mecca; Lowdesert Comment
  RSA315551  Phacelia cryptantha Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55464 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  JEPS2384  Phacelia distans Carl V. Meyer 1929-6-13 753 Riverside Chalk Hill San Jacinto Mts. (sw slope) 1524 Comment
  JEPS2400  Phacelia distans E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  RSA667994  Phacelia distans C. R. Annable 1995-3-15 2280 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  RSA773591  Phacelia imbricata Duncan S. Bell, Joy England 2010-6-14 1303 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  RSA503411  Phacelia minor J. D. Olmsted 1962-5-10 3647 Riverside Crest between Sandia Creek and DeLuz Creek drainages 259 Comment
  RSA700025  Phacelia minor Scott D. White, Michael Honer 2003-4-25 9100 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA78473  Phacelia minor Verne Grant, Alva Grant 1952-3-19 17502 Riverside Near mouth of Whitewater Canyon. Comment
  UCR215519  Phacelia minor Daphne K. Christopher, Hannah I. Stevens 2003-4-4 087 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR231807  Phacelia minor Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 03 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  RSA645620  Phacelia minutiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12149 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA6019  Phacelia mutabilis Carl B. Wolf 1932-8-5 3936 Riverside North side of Tahquitz Valley, along the trail on the divide to San Jacinto Peak. 2561 Comment
  UCR196362  Phacelia neglecta Naomi Fraga, Lisa Rojas 2005-2-10 1355 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  CSUSB150  Phacelia ramosissima Randy Salstrom 1966-5-12 Riverside One mile up canyon from west end of Blain Street, on an old road out in the Box Springs Mountains. 365 Comment
  POM7721  Phacelia tanacetifolia P. A. Munz, R. D. Harwood 1920-3-20 3372 Riverside 5 miles S of Corona 305 Comment
  UCR172252  Phalaris minor John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  POM49092  Phleum alpinum P. A. Munz 1924-7-27 8771 Riverside Deer Springs, San Jacinto Mountains 2470 Comment
  RSA792342  Pholisma arenarium Doris Bowers s.n. Riverside Colorado Desert, Algodones Dunes? Comment
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Mar 17 2014
  RSA160517  Pholistoma auritum J. D. Olmsted 1959-4-17 415 Riverside Eagle T.T. 0.5 mile east of intersection with Main Divide T.T.; 10 miles SSW of Corona. Santa Ana Mountains, Santa Ana River Drainage Area 732 Comment
  JOTR29444  Phoradendron californicum La Doux, Tasha, Mike Bell 2006-3-8 1342 Riverside Joshua Tree National Park. Hayfield spring Comment
  RSA48336  Phoradendron californicum E. K. Balls 1949-4-4 12972 Riverside At Desert Beach on Hwy 111, Colorado Desert. -15 Comment
  SD84924  Phoradendron californicum Nancy Ryan Zabriske, Walter Zabriskie 1971-10-24 460 Riverside southeast of turnoff to clubhouse from Andreas Canyon Club road; Andreas Canyon Watershed, east slope San Jacinto Mountains 320 Comment
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Jun 21 2013
  UCR16369  Phoradendron californicum R. G. Sullivan 1972-4-20 720420- 3 Riverside San Bernardino Mtns., Whitewater Canyon, 4 mi. north of Interstate 10 640 Comment
  POM354322  Phoradendron macrophyllum N. C. Cooper 1943-10-9 956 Riverside Hemet. On Populus. Fremontii Wats. Comment
  UCR125767  Phoradendron villosum A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25655 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  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
  RSA289848  Phragmites australis B. A. Prigge 1980-9-17 4056 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio., Near 33 deg 44'N; 116 deg 14'W. -3 Comment
  JOTR36457  Physalis crassifolia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3427 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  RSA102378  Physalis crassifolia S. B. Parish, W. F. Parish 1882-04 16 Riverside Borders of Colorado Desert at Agua Caliente. Comment
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Dec 8 2014
  RSA555226  Physalis crassifolia Robert F. Thorne 1966-10-15 41812 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA645636  Physalis crassifolia Scott D. White 1999-4-20 7273 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
  SD144431  Physalis crassifolia G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2692 Riverside Colorado Desert: Midland Rd., 3.8 mi. SE of Midland, Little Maria Mtns., sandy wash Comment
  SD181326  Physalis crassifolia Scott D. White 1999-4-20 7273 Riverside Southern Foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, wash, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe 89 Comment
  UC724160  Physalis crassifolia Aven and Ruth Nelson 1939-3-29 3327 Riverside near Hidden Spring (a few mi from Mecca) Comment
  UCR116605  Physalis crassifolia A. C. Sanders 2001-4-8 23980 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
  UCSB44044  Physalis philadelphica Sanders, A. 1982-6-12 Riverside 422 Campus View Drive Comment
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May 21 2016
  UCSB16195  Pinus coulteri Lockwood, Leo 1963-5-4 Riverside Roadside, 2 mi. south of Black Mountain Road on Banning-Idyllwild Road, R 1 1219 Comment
  RSA0119891  Pinus monophylla Duncan S. Bell, Thomas Stoughton 2016-4-12 9224 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  UC813272  Pinus monophylla Lewis S. Rose 1936-12-24 36814 Riverside 26 mi sw Indio (Palms to Pines Highway); San Jacinto Mts. 1219 Comment
  CSUSB2063  Pinus murrayana Lalo Codona 1972-7-20 1079 Riverside Mt. San Jacinto 2651 Comment
  CLARK-A1528-3562  Pinus quadrifolia John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  SBBG56372  Pinus quadrifolia V. Duran 1933-7-2 3495 Riverside near Santa Rosa 1676 Comment
  UCSB17229  Pinus quadrifolia D. Breedlove 1961-8-5 958 Riverside ALONG CA HWY 74 AT JCT WITH ROAD TO ANZA 1371 Comment
  CAS-BOT-BC136556  Piperia cooperi W. I. Lester 1895-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA614474  Piperia cooperi Darin L. Banks 1997-4-5 1701 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of Wilderness Area boundry, along tributary of north fork of Pechanga Creek. 445 Comment
  UCR127551  Pistacia atlantica A. C. Sanders, T. B. Salvato 2003-5-21 26801 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
  RSA180513  Plagiobothrys acanthocarpus E. W. Lathrop 1960-3-25 4687 Riverside 14 miles west of Murrieta. Comment
  UCR80729  Plagiobothrys acanthocarpus Steve Boyd 1992-4-18 6895 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
  UCR157667  Plagiobothrys canescens A. C. Sanders, J. C. Lyman 1995-4-16 16560 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  UC218128  Plagiobothrys collinus P. A. Munz, and R. D. Harwood 1915-3 3378 Riverside 5 mi s Corona 304 Comment
  UCR111554  Plagiobothrys collinus var. californicus Mitch Provance, J. Ross 1999-4-1 1729 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  POM9561  Plagiobothrys collinus var. californicus I. M. Munz, Harwood 1920-2-28 3234 Riverside 2 mi SE of Corona 274 Comment
  UCR201477  Plagiobothrys collinus var. fulvescens Scott D. White, Justin M. Wood 2008-6-18 12243 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  POM3872  Plagiobothrys leptocladus P. A. Munz, I. M. Johnston 1918-4-27 2123 Riverside Elsinore Lake 366 Comment
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Nov 20 2011
  RSA525332  Plagiobothrys tenellus Steve Boyd, A. Sanders, Mark Skinner 1990-4-28 4462 b Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  SEINET7073470  Plagiobothrys tenellus A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UC1930012  Plagiobothrys tenellus Scott D. White, Justin Wood 2008-5-15 12000 Riverside San JAcinto Mountains: Johnson Meadow. Comment
  CLARK-A1045-154  Plagiobothrys undulatus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pools near origin of creek; Wildomar 7.5'Q Comment
  POM18171  Plantago bigelovii subsp. californica H. Baer 1922-4-1 s.n. Riverside Elsinore. Comment
  RSA234038  Plantago bigelovii subsp. californica Robert F. Thorne, E. W. Lathrop 1969-5-12 37943 a Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  RSA524609  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3932 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA574743  Plantago erecta Steve Boyd 1982-3-30 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain, just east of extensively mined area. 427 Comment
  SD137693  Plantago erecta Darin L. Banks 1995-5-9 328 Riverside NW Palomar Mountains N. of 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. 730 Comment
  UCR171968  Plantago erecta John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UCSB6244  Plantago lanceolata Kamb, Peter 1947-5-17 Riverside Hall Canyon; San Jacinto Mts 1645 Comment
  RSA0021552  Plantago ovata Duncan S. Bell 2012-3-4 3136 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  UC1595788  Plantago ovata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4626 Riverside 7.7 mi ne Mecca (on Box Canyon Rd) Comment
  UCR112091  Plantago ovata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23365 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR256715  Plantago ovata Duncan S. Bell 2012-2-12 3103 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  POM283953  Plantago ovata var. fastigiata Lyman Benson 1933-3-31 4180 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  POM305630  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1937-3-2 869 Riverside Blythe, Colorado River bluffs. Comment
  POM7037  Plantago ovata var. fastigiata P. A. Munz, L. T. Street, G. Williams 1919-3-28 2367 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Sep 12 2011
  RSA0069667  Plantago ovata var. fastigiata Cheryl Sevilla, Sarah J. De Groot 2015-2-18 11 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  UCR178149  Plantago patagonica T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 912 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR250314  Plantago subnuda A. C. Sanders 2014-4-16 41016 Riverside Peninsular Range, Temescal Valley, Campbell Ranch Rd. between Indian Truck Trail and Temescal Canyon Rd., south of Sycamore Creek Fire Station 372 Comment
  UCR129783  Platanthera dilatata var. leucostachys P. A. Munz 1922-7-7 6065 Riverside San Jacinto Mtns., meadow [Skunk Cabbage M.?] north of Tahquitz Valley 2439 Comment
  POM250486  Platanthera leucostachys I. W. Clokey, E. G. Anderson 1935-8-21 6561 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  SD229212  Platanus racemosa Dick Schwenkmeyer 2012-10-16 935 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  SD181427  Platystemon californicus Scott D. White, Bill La Haye 2000-5-27 7946 Riverside San Jacinto Mountains; Baldy Mountain area. 1616 Comment
  RSA613861  Platystemon californicus B. Pitzer 1997-4-11 3114 Riverside Lakeview Mtns Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. Approx. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM Nelson) 610 Comment
  RSA697727  Pleuraphis rigida Wilma Griset 1931-3-29 s.n. Riverside Colorado Desert, Indio. Comment
  SEINET3221554 Image available Pleuraphis rigida E. R. Blakley 1962-11-25 5481 Riverside 50 miles west of Blythe on U.S. Highway 60-70 122 Comment
  CAS-BOT-BC326579  Pleurocoronis pluriseta John Thomas Howell 1928-1-29 3299 Riverside Painted Canyon, Colorado Desert Comment
  UCR233545  Pleurocoronis pluriseta Jim Andre, Glenn L. Clifton 2011-2-22 17418 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  UCR245676  Pleurocoronis pluriseta Duncan S. Bell 2010-4-2 698 Riverside Sonoran (Colorado) Desert, Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it 595 Comment
  CAS-BOT-BC255667  Poa bigelovii F. W. Peirson 1921-3-22 2392 Riverside Murray Canyon, Palm Springs Region, Colorado Desert 457 Comment
  UCR182098  Poa infirma Tom Chester 2005-4-26 595 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Jct. Torino and Tovashal Trails, ~0.2 miles (0.3 km) west of Clinton Keith Road near Visitor Center 548.2 Comment
  RSA741264  Poa pratensis Scott D. White, Justin M. Wood 2008-7-10 12455 Riverside Fobes Spring 1500 Comment
  UC1930043  Poa pratensis Scott D. White, Justin Wood 2008-6-16 12106 Riverside San Jacinto Mountains: Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  UCR213680  Poa pratensis Justin M. Wood 2009-5-11 693 Riverside San Jacinto Mountains, Garner Valley, Quinn Flat area 1396 Comment
  RSA334887  Poa secunda A. C. Sanders, Steve Boyd 1980-4-17 1340 Riverside Pine Meadow in upper Garner Valley, along Hwy 74, 0.7 mi. E of junction with Hwy 371. 1524 Comment
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Sep 10 2011
  UCD91895  Poa secunda subsp. secunda F. M. Reed 1920-3-24 4232 Riverside Colorado Desert, Murray Canon, Palm Springs. Comment
  RSA180378  Polygala cornuta var. fishiae E. W. Lathrop 1960-6-7 4890 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
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Apr 28 2011
  RSA518290  Polygonum argyrocoleon George K. Helmkamp 1989-9-16 s.n. Riverside ca. 1/2 mi. S of Hwy I-8 W of Blythe, at Seeley Rd. and state Hwy 78. QH 0N, 1E 75 Comment
  UCR93206  Polygonum lapathifolium Scott D. White 1995-7-7 3453 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA162794  Polypodium californicum J. D. Olmsted 1959-4-23 459 Riverside Spring Trail at Beacon Pines Ranch; 9 mi. SW of Corona, Santa Ana Mountains 732 Comment
  SDSU13921  Polypogon maritimus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2140 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  SEINET1004495  Polypogon monspeliensis T. B. Salvato, Kent Beaman 2005-1 846 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista just downstream from the Forest Service Boundry and N of CA Hwy 74. 549 Comment
  POM49459  Populus X parryi M. French Gilman 1924-07 s.n. Riverside Side canyon of Snow Canyon. 610 Comment
  RSA755744  Populus balsamifera subsp. trichocarpa A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37158 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
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Mar 2 2014
  SD70783  Populus fremontii David B. Dunn, H. Lint 1948-1-25 3632 Riverside Pushawalla canyon, Indio Hills. Comment
  CAS-BOT-BC6241  Populus fremontii subsp. fremontii Samuel Bonsal Parish 1913-2-28 8471 Riverside Salton Basin, Mecca flats -60 Comment
  JEPS35438  Porophyllum gracile W. L. Jepson 1928-4-25 12586 Riverside Eagle Mts., Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  JEPS396  Potamogeton diversifolius Carl V. Meyer 1928-7-27 567 Riverside Hidden Lake; San Jacinto Mountains 2651 Comment
  RSA740930  Potamogeton foliosus var. foliosus Scott D. White, Justin M. Wood 2008-7-9 12433 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UC774832  Potamogeton pectinatus Susanna Bixby Bryant 1942-6-18 Riverside Lake Norco Comment
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Nov 30 2014
  RSA234093  Potamogeton pusillus Robert F. Thorne, E. Lathrop 1969-6-6 39322 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado; deeper water up to 1 m behind the dam at S end of vernal marsh 625 Comment
  JOTR34236  Prenanthella exigua Harding, Mitzi 2010-6-3 37 Riverside Joshua Tree National Park. bajada west of Eagle Mountain, approx. 1 mi NE of Cottonwood Visitor Center, approx. 1/2 mi. east of Rte. 11 975 Comment
  SDSU18773  Primula clevelandii var. clevelandii C. Matt Guilliams 2008-2-13 447 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. Just downslope of mesatop. 426 Comment
  UCR242297  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-10-12 40423 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  RSA0114927  Proboscidea louisianica Mitch Provance 2012-7-14 712 -24 Riverside San Gorgonio Pass: Banning, Smith Creek and adjacent alluvial terraces, north of Old Idyllwild Rd., and west of Hwy 243. Just NW of confluence of Smith Creek and Montgomery Creek. 689 Comment
  POM2528  Prosopis glandulosa var. torreyana Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  UC574978  Prosopis glandulosa var. torreyana C. Epling and Wm. Robison 1933-6-24 Riverside near Indio Comment
  UCD108225  Prosopis glandulosa var. torreyana G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  UCSB28886  Prosopis glandulosa var. torreyana Miller, Brian 1963-6-1 Riverside 1000 Palms Oasis 30 Comment
  CAS-BOT-BC151121  Prunus fremontii W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz Canyon Comment
  CAS-BOT-BC151113  Prunus fremontii H. E. McMinn 1925-7-1 1516 Riverside Palm Spring Canyon Comment
  CAS-BOT-BC356346  Psathyrotes ramosissima Roxana S. Ferris 1953-3-10 12603 Riverside Desert, at Thousand Palms, Indio Hills Comment
  SD137888  Pseudognaphalium biolettii Darin L. Banks, Steve Boyd 1995-3-16 106 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. East of the Dripping Springs Alcove, north slope of Wildhorse Peak, on the Wildhorse Trail. 609 Comment
  SD27984  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 Riverside Santa Ana Mts., Hidden Canyon, 5 miles west of Corona, base of Skyline Drive. 405 Comment
  UC1536873  Pseudognaphalium biolettii G. H. True Jr. 1935-3-11 88 Riverside Gavilan Hills 548 Comment
  UCD135055  Pseudognaphalium biolettii Nancy Ryan Zabriskie 1974-3-27 694 Riverside North side canyon downstream from 'Big Pool', Andreas Canyon, San Jacinto Mountains. 335 Comment
  JEPS48288  Pseudotsuga macrocarpa W. L. Jepson 1903-8-4 2279 Riverside Spruce Canon Southern California, San Jacinto Mt., Spruce Canon 1341 Comment
  RSA557340  Psilocarphus brevissimus Julie Greene 1993-5-12 1314 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  SD237349  Psilocarphus brevissimus D. E. Bramlet 1991-5-7 2123 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal. 500 Comment
  UCR92372  Psilocarphus brevissimus var. brevissimus F. M. Reed 1933-9-20 8090 Riverside Perris-Aguanga Basin Region, mature plants from alkaline slough [along San Jacinto River] east of Bernasconi [=Lakeview] Hot Springs 396 Comment
  RSA356705  Psilocarphus tenellus R. F. Thorne, E. W. Lathrop 1975-5-20 45504 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  RSA581690  Psilocarphus tenellus var. globiferus B. Leatherman 1995-5-4 s.n. Riverside Base of low hills south of Winchester in roadside ditch along west side of Highway 79, about 1/4 mile north of intersection with Newport Road 463 Comment
  UCR111066  Psilocarphus tenellus var. globiferus D. E. Bramlet 1998-12-16 2600 Riverside maintenance road adjacent to (east of) the MWD canal & approximately 488m north from the canal crossing at the existing weather station, 701 m east of Hwy 79 and 1.22 km south of Holland Road, 50m west of the Shipley Reserve 450 Comment
  UCR18158  Psoralea californica A. C. Sanders 1978-4-30 00362 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  CLARK-A1528-5673  Psoralea physodes John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1219 Comment
  RSA770790  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4531 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SD121836  Psorothamnus arborescens var. simplicifolius C. H. Muller 1952-5-21 9515 Riverside Outwash plain at mouth of Morongo Canyon. Comment
  UCR215634  Psorothamnus arborescens var. simplicifolius Bao Doan 2010-5-31 10 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  CAS-BOT-BC353633  Psorothamnus emoryi D. E. Breedlove 1961-9-11 1257 Riverside 20 miles W of Blythe 106 Comment
  SD174890  Psorothamnus emoryi Mark A. Elvin 2005-4-25 4221 Riverside Northern Sonoran Desert: Coachella Valley; N of Palm Springs; N of I-10; S of Dillan Road; E of Indian Avenue. 244 Comment
  UCD108298  Psorothamnus emoryi Dan Axelrod 1932-3-20 s.n. Riverside 8 mi. east of Oasis on Jones Ranch. Comment
  RSA0127784  Psorothamnus emoryi G. Rink 2013-3-29 11920 Riverside About ten miles west of Blythe, along the T-line for the proposed Quartzite solar power plant. 110 Comment
  CAS-BOT-BC340909  Psorothamnus schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  CAS-BOT-BC340910  Psorothamnus schottii H. M. Hall 1905-4-1 5781 Riverside Colorado Desert. 10 miles west of Coachella 152 Comment
  HSC84094  Psorothamnus schottii Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 6401 Riverside Road to Painted Canyon, Mecca Hills Comment
  SD27947  Psorothamnus schottii Carl B. Wolf 1932-4-27 2990 Riverside Colorado Desert, 14 mi. E of Mecca, on Blythe Road (E of Shavers Well) 152 Comment
  RSA0019787  Psorothamnus spinosus April Garbat, Kristin Forgrave 2013-5-29 75 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  RSA404273  Psorothamnus spinosus Christopher Davidson 1974-6-15 2292 Riverside Interstate 10, ca. 5 mi. E of Chiriaco Summit. 457 Comment
  RSA404275  Psorothamnus spinosus Julian P. Donahue 1973-6-16 s.n. Riverside Corn Springs Wash at Corn Spring, Chuckwalla Mountains, 7.5 mi. SE Desert Center 488 Comment
  RSA263723  Pteridium aquilinum var. pubescens R. Weatherby 1950-5-18 2968 Riverside Hagador 640 Comment
  RSA510313  Pterostegia drymarioides Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  RSA776020  Pterostegia drymarioides Duncan S. Bell 2010-3-20 608 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SDSU13927  Pterostegia drymarioides Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2139 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 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
  UCR18627  Pulicaria paludosa John C. Roos 1962-10-19 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater 549 Comment
  RSA0042977  Quercus Jeremiah George 2012-8-13 s.n. Riverside west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  UCD170868  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCR277504  Quercus Mitch Provance 2012-4-20 412- 36 Riverside San Timoteo Canyon, 0.8 mi south-southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 671 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
  UC1584069  Quercus X acutidens Steve Boyd and Dave Bramlet 1988-10-8 2875 Riverside sw of Anza (at head of Bautista Canyon); Cahuilla Mountain, Bautista Canyon Comment
  UCR158951  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31543 Riverside San Jacinto Mtns., upper Bautista Canyon, 0.8 mi. below Tripp Flat Rd. 1128 Comment
  UCR158909  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31541 Riverside San Jacinto Mtns., Bautista Canyon at confluence with Horse Creek, at entry road to Bautista Conservation Camp on main road 854 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
  UCR158906  Quercus berberidifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31546 Riverside San Jacinto Mtns., Vandeventer Flat along Hwy 74, 1.2 mi. west of Santa Rosa Mtn. Rd., just west of entrance to Santa Rosa Indian Reservation 1402 Comment
  UCR23009  Quercus berberidifolia Saul Frommer 1981-3-26 s.n. Riverside Agua Tibia Mtns, Dripping Springs on the north side of the Agua Tibia Mtns. 10.7 mi east of I-15. 488 Comment
  UCR231198  Quercus berberidifolia A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39930 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  UCR247908  Quercus berberidifolia Fred M. Roberts 2013-6-7 7783 Riverside Peninsular Ranges, SANTA ANA MTNS.: Tributary to Upper San Juan Canyon along Chiquito Basin Trail, 1.3 km NNW Upper San Juan Campground. 524 Comment
  UCR270178  Quercus berberidifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42399 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
  SACT002624  Quercus chrysolepis A. Delisle 1961-6-25 Riverside Moist slope mostly in cooler areas. Comment
  RSA503823  Quercus cornelius-mulleri N. C. Cooper 1944-5-20 1307 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1220 Comment
  RSA503825  Quercus cornelius-mulleri E. Crow 1928-11-12 45 Riverside Morongo Valley, Colorado Desert. Comment
  SBBG89602  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8720 Riverside Pinyon Flats area, near the Dolomite Mine on the trail to Horsethief Crk 1200 Comment
  SD229173  Quercus cornelius-mulleri Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 643 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  JOTR00985  Quercus cornelius-mulleri Cole, James E. 1941-5-17 728 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  CLARK-A1528-1182  Quercus dunnii John C. Roos 1956-9-14 3016 Riverside San Jacinto Mountains 1371 Comment
  UCR273241  Quercus durata var. gabrielensis Mitch Provance, Jeremiah George 2012-1-30 17371 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. W of Bolo Ct. and 2500 ft. S of W 4th St. 762 Comment
  RSA476821  Quercus engelmannii N. C. Cooper 1947-4-5 2105 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCD46014  Quercus engelmannii Frank C. Vasek 1975-9-11 s.n. Riverside Large tree in Horsethief Creek Canyon, southwest of Pinyon Flat, where the Cactus Spring Trail crosses, Riverside County, California. Comment
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Oct 4 2019
  UC404011  Quercus john-tuckeri Dr. D. P. Barrows before Aug 1898 3 Riverside Cahuilla Indians Comment
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Feb 14 2013
  CAS-BOT-BC105320  Quercus kelloggii Carl Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  SBBG58951  Quercus kelloggii M. Lewis 1947-8-26 21 Riverside Dark Cyn 1981 Comment
  UC729494  Quercus kelloggii Carl B. Wolf 1932-8-6 Riverside base of Devil's Slide Trail to Tahquitz Valley San Jacinto Mts., Strawberry Valley 1706 Comment
  CAS-BOT-BC104314  Quercus palmeri J. E. Cole 1947-2-6 1001 Riverside Lower Covington Flat 1463 Comment
  JEPS98072  Quercus palmeri D. Wilken with E. Painter 2000-11-4 15870 Riverside State Hwy. 74. E of jct. with State Highway 71, near old Santa Rosa Summit, at trailhead to Pacific Crest Trail San Jacinto Mountains 1600 Comment
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May 30 2008
  SEINET3382770  Quercus turbinella Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17496 Riverside 300m south of Desert Queen Mine (McHaney;s Mine), 12.5km SSW of Twenty Nine Palms, 1.5km ESE of Negro Hill, Canyon of granite outcroppings and boulders. 1360 Comment
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Aug 24 2013
  UCD166226  Quercus turbinella Jack Major 1962-4-16 769 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  CAS-BOT-BC104996  Quercus wislizeni Scott D. White 1996-8-1 4445 Riverside Idyllwild Area: N of Strawberry Valley, between Bear Trap Cyn and Lily Creek 1615 Comment
  JOTR30996  Rafinesquia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1318 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  RSA220971  Rafinesquia californica E. W. Lathrop 1966-5-8 6405 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
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Apr 28 2011
  RSA95070  Rafinesquia californica F. W. Peirson 1919-4-14 2763 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  UCR107390  Rafinesquia californica B. G. Pitzer 1997-3-23 2971 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA776345  Rafinesquia neomexicana Duncan S. Bell 2010-3-20 623 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA779584  Rafinesquia neomexicana Duncan S. Bell 2009-3-7 16 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
  UCR116603  Rafinesquia neomexicana A. C. Sanders 2001-3-20 23842 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  UC219557  Ranunculus alismifolius var. alismellus P. A. Munz 1922-7-6 6034 Riverside meadow n Tahquitz Valley; San Jacinto Mts. 2225 Comment
  UCR386  Ranunculus aquatilis Emily E. McGregor 1972-4-30 s.n. Riverside Peninsular Range, 0.5 mi west of Tenaja Station, Tenaja Rd. (6S08). Comment
  UCR207340  Ranunculus muricatus O. F. Clarke 2004-3-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA0013140  Ranunculus sceleratus var. sceleratus LeRoy Gross, Caitlin Elam 2013-5-14 6073 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR249823  Rhamnus crocea T. B. Salvato, John Lovio 2013-3-19 7361 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  CAS-BOT-BC56051  Rhamnus ilicifolia H. M. Hall 1901-6-1 2017 Riverside Canyon of the San Jacinto River Comment
  JEPS42076  Rhamnus ilicifolia C. V. Meyer Jun 1927 164 Riverside San Jacinto mt. 1706 Comment
  RSA356640  Rhamnus ilicifolia Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47294 Riverside Santa Rosa Plateau: Near Tenaja Rd. on N slope of Mesa, S of Squaw Mountain. Comment
  RSA6120  Rhamnus ilicifolia Carl B. Wolf 1932-5-25 3688 Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
  RSA0027937  Rhamnus ilicifolia John F. Emmel 1992-5-16 1222 Riverside Elsinore Mts: Ridgetop along Main Divide Road, 0.7 air mi east of El Cariso Guard Station. 902 Comment
  UCR173870  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam DeVries 2000-4-25 7731 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Temescal Valley, Corona area: E foothills of the Santa Ana Mtns, just above citrus groves 518 Comment
  CAS-BOT-BC478189  Rhus ovata A. C. Sanders; Jeff Crain; Nina Kidd 2015-5-19 41730 Riverside Temesal Canyon, hilltop above DePalma Road, about mid way between Horse Thief Canyon Road and Glen Eden Road 399 Comment
  RSA0060481  Rhus ovata J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  UCD166229  Rhus ovata Jack Major 1962-4-16 772 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 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
  UC63999  Rhus trilobata H. M. Hall 1897-5-19 559 Riverside vicinity of Chalk Hill; San Jacinto Mountains Comment
  UCR77722  Ribes indecorum Steve Boyd 1991-3-17 5486 Riverside Jurupa Hills, north of Glen Avon. S flank, just west of Soto St to summit east of Pyrite Cyn. Comment
  CAS-BOT-BC168948  Ribes malvaceum Carl B. Wolf 1932-2-11 2651 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  RSA562452  Ribes malvaceum var. viridifolium Steve Boyd, T. S. Ross 1992-5-5 7237 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA0022090  Ribes montigenum Carl B. Wolf 1932-8-5 3980 Riverside Rocks at summit of San Jacinto Peak. San Jacinto Mountains. 3294 Comment
  HSC86125  Ribes nevadense Jane Hildreth 1981-6-4 23 Riverside San Jacinto Mtns., San Bernardino National Forest, Bay Tree Springs along Hwy. 243, 12 mi. S of Banning 1646 Comment
  RSA638201  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  UCR251867  Romneya coulteri M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR59924  Romneya coulteri Ed LaRue 1989-4-26 s.n. Riverside Lake Elsinore, 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  RSA708220  Rosa californica Scott D. White, Angelia Carey 2004-5-7 10334 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UC218158  Rubus parviflorus P. A. Munz 1922-9-6 6385 Riverside North Fork of Tahquitz Creek San Jacinto Mts., North Fork Tahquitz Creek 2209 Comment
  SEINET3087570 Image available Rumex crispus J. Freeman 1988-5-29 Riverside Santa Ana River 0.25 mi E. of Hamner Ave. on N. side 274 Comment
  CLARK-A1528-5728  Ruta graveolens John C. Roos 1948-2-21 3771 Riverside Reche Canyon 457 Comment
  RSA586050A  Sagina decumbens D. L. Banks, Steve Boyd 1995-3-30 0131 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 633 Comment
  UC441327  Sagittaria longiloba E. E. Schellenger 1894-8-6 79 Riverside Sanch Ranch Colorado Desert (Colorado Desert) Comment
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Aug 23 2007
  CAS-BOT-BC129748  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-13 335 Riverside Andreas Canyon, E slope San Jacinto Mts. 304 Comment
  HSC93368  Salix exigua Scott D. White 1996-4-14 3927 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  UCR11299  Salix exigua O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  LA208620  Salix exigua var. exigua Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  UC537090  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n of Elsinore 304 Comment
  POM2038  Salix gooddingii D. L. Crawford, I. M. Johnston 1917-6-9 1215 Riverside Santa Ana River near Corona. Comment
  RSA714426  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  RSA717579  Salix gooddingii A. C. Sanders 2004-5-11 27842 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  UCR225492  Salix gooddingii A. C. Sanders 2011-3-29 38856 Riverside Peninsular Range; Perris-Aguanga Basin Region, canyon in hills between Sun City and Perris, San Jacinto River at powerline corridor crossing west of Goetz Rd., above Railroad Canyon Lake 428 Comment
  UCR89775  Salix gooddingii Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  SEINET244773  Salix laevigata A. C. Sanders, Mark Elvin; M. S. Enright 2002-4-16 24973 Riverside The Badlands; Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  SD137623  Salix lasiolepis Darin L. Banks, Steve Boyd 1995-3-16 90 Riverside Cleveland National Forest; N slope of Agua Tibia Mtn. E of Dripping Springs Alcove, Arroyo Seco drainage 512 Comment
  UC1178571  Salix lutea Peter Kamb 1949-5-8 1406 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  CDA3210  Salsola tragus T. C. Fuller 1975-11-6 20115 Riverside Northeast corner of Monroe Street & Interstate 10 freeway, Indio. 0 Comment
  RSA496388  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3065 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA771350  Saltugilia australis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4480 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
  UCR120649  Saltugilia australis D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1792 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA0105423  Saltugilia latimeri Annie M. Alexander, Louise Kellogg 1941-5-4 2114 Riverside Joshua Tree National Monument[now National Park]. 1250 Comment
  POM3983  Salvia carduacea P. A. Munz 1918-4-27 2125 Riverside Mouth of Temescal Canyon, southeast of Corona. Comment
  SDSU13958  Salvia clevelandii Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2145 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of wet meadow (El Valle complex). 646 Comment
  RSA401482  Salvia columbariae Robert M. Perkins 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  RSA651680  Salvia columbariae G. Foster 1961-5-12 s.n. Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  SD234435  Salvia columbariae Wayne Law, Jun Hu 2000-5-16 18 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona (Aberhill 7.5' Q) 395 Comment
  UC404039  Salvia columbariae Dr. D. P. Barrows before Aug., 1898 30 Riverside Cahuilla Indians Comment
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Sep 23 2009
  UC104485  Salvia eremostachya H. M. Hall 1902-4-12 2856 Riverside Coyote Canyon Western Borders of the Colorado Desert 914 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
  JEPS16867  Salvia greatae Marjorie D. Clary 1938-4-17 2845 Riverside n of Salton Sea (Clemen's Well); Orocopia Mountains, Big Salt Creek Wash 243 Comment
  POM283362  Salvia mellifera Lyman Benson 1933-3-31 4144 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  RSA0099994  Salvia pachyphylla Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8576 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  SBBG6505  Salvia pachyphylla L. Rowntree 1937-11-6 Riverside Santa Rosa Mtns Comment
  UCLA69850  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mts. Comment
  UC1080395  Salvia vaseyi E. K. Balls and P. C. Everett 1957-8-20 22669 Riverside 6.6 mi sw Palm Village (along State Hwy 74 (jct State Hwy 111)) 502 Comment
  RSA500140  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3669 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCR178335  Sambucus mexicana Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 657 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Potrero Canyon 793 Comment
  RSA524590  Sanicula bipinnatifida Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3904 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA613721  Sanicula bipinnatifida D. L. Banks 1997-4-5 1692 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
  UCR21933  Sanicula bipinnatifida Steve Boyd 1980-5-2 166 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA570230  Sanicula crassicaulis Steve Boyd, Timothy S. Ross 1993-3-23 7904 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  SD133203  Sanicula crassicaulis Scott White 1991-5-13 91 79 Riverside Highway 79 immediately west of U.S. Forest Service Campground at Dripping Springs. 550 Comment
  UCR149848  Sarcostemma cynanchoides Scott D. White, Michael Honer 2004-4-6 10061 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
  UCR33583  Sarcostemma cynanchoides Faulkner 1978-4-27 506 Riverside Eastern Colorado Desert, 22 mi NW of Blythe, north and west of Midland 306 Comment
  UC1004762  Sarcostemma cynanchoides subsp. hartwegii Edmund Jaeger 1939-3-12 Riverside Orocopia Mts. Colorado Desert, Orocopia Mts. 365 Comment
  JOTR16554  Sarcostemma hirtellum Moore, Sue 1968-4-29 s.n. Riverside Joshua Tree National Park. NEAR OCOTILLO PATCH 609 Comment
  UC218064  Sarcostemma hirtellum P. A. Munz, D. Keck 1922-4-13 4953 Riverside Eagle Mts. Colorado Desert, Eagle Mts. 243 Comment
  RSA795927  Schismus arabicus Duncan S. Bell 2009-4-19 282 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  JOTR31857  Schismus barbatus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2114 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UCR121818  Schoenoplectus americanus A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24600 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  RSA802250  Scirpus microcarpus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4996 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR19464  Scirpus microcarpus C. S. Papp 1963-6-29 317 Riverside Riverside, Santa Ana River bed Comment
  UC1234751  Scrophularia californica Peter H. Raven 1962-4-29 17486 Riverside 1 mi above its e base Ortega Hwy 487 Comment
  UCR107409  Scrophularia californica B. G. Pitzer 1997-3-23 2968 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR91480  Scrophularia californica Scott D. White 1995-3-30 2663 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
  SD236321  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Mitch Provance 2008-7-11 35803 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 1449 Comment
  RSA5220  Scutellaria siphocampyloides Carl B. Wolf 1932-8-4 3907 Riverside Point View near Idyllwild. 1646 Comment
  UCR23621  Scutellaria tuberosa John C. Roos 1950-4-15 4734 Riverside In the hills NE of the summit of Reche Canyon 546 Comment
  RSA192258  Selaginella bigelovii Earl W. Lathrop 1960-4-28 4769 b Riverside 14 miles west of Murrieta Comment
  RSA683700  Selaginella bigelovii Tena Shultz Clare 1931-01 14611 Riverside Colorado Desert, S of Banning. Comment
  UCR121307  Selaginella bigelovii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25016 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UCR135835  Selaginella bigelovii A. C. Sanders 2004-4-20 27538 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
  UCR9  Selaginella bigelovii Eugene Cardiff 1950-3-15 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mtns.] 518 Comment
  CAS-BOT-BC62092  Selaginella eremophila W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz near Palm Springs Comment
  RSA496465  Senecio aphanactis Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-31 3081 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  POM259681  Senecio californicus P. A. Munz 1940-3-22 15663 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  SEINET7073397  Senecio californicus A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC1537031  Senecio californicus Gordon H. True 1935-3-11 77 Riverside Box Springs 365 Comment
  CAS-BOT-BC327427  Senecio flaccidus var. douglasii J. W. Toumey 1894-9-27 s.n. Riverside Banning Comment
  UCR209591  Senecio flaccidus var. douglasii 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
  UCR40409  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Clinton Keith Road, [Slaughterhouse Canyon] 1.7 mi. east of gate to The Nature Conservancy Preserve 488 Comment
  UCR92386  Senecio flaccidus var. douglasii F. M. Reed 1933-11-6 8306 Riverside Peninsular Range; Santa Rosa Mtns, Santa Rosa Indian Reservation 1402 Comment
  RSA425136  Senecio mohavensis Steven A. Junak 1983-3-23 1625 Riverside East side of Jefferson Road, opposite entrance to Cahuilla Lake County Park, south of Indio. 0 Comment
  RSA726570  Senecio mohavensis Naomi Fraga, Lisa Rojas 2005-2-10 1410 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  SBBG8769  Senecio mohavensis H. and M. Dearing 1942-3-12 4831 Riverside Palms to Pines Hwy 426 Comment
  SD113531  Senegalia greggii Frank F. Gander 1936-6-14 360 Riverside San Jacinto, desert side Comment
  SBBG87835  Senna covesii A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6073 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  UCR257044  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009- 1 Riverside San Jacinto Mountains, northeast of Hwy 243 c. 16 km northwest of Idyllwild, in the south unit of the San Bernardino National Forest, on southwest flank of Black Mountain, Black Mountain Trail, on slope by large trunk lying across trail, at the head of Indian Creek in the drainage, uppermost Hall Canyon 2037 Comment
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Jul 25 2018
  CLARK-A1528-1388  Sesuvium verrucosum John C. Roos 1937-5-23 2067 Riverside La Sierra Comment
  RSA402668  Sesuvium verrucosum A. Menke 1955-4-27 s.n. Riverside 2 miles east of Blythe. Along irrigated ditch. Comment
  SD181742  Sesuvium verrucosum Scott D. White 2001-6-29 8633 A Riverside Menifee Valley: Ca. 1.4 mile southwest of the I-215/Newport Rd. Interchange, northwest of the intersection of Holland Rd. and Bradley Rd. 438 Comment
  UCR110403  Sesuvium verrucosum A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23186 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  HSC82844  Setaria verticillata A. C. Sanders 1985-8-24 5948 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
  UCR117304  Sidalcea malviflora A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 730 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  CAS-BOT-BC434386  Sidotheca trilobata S. G. Stokes 1933-7-1 312 Riverside Road to Idyllwild 1066 Comment
  UCR193979  Silene antirrhina A. C. Sanders 2008-7-25 35897 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  UCR79227  Silene antirrhina Steve Boyd 1992-4-15 6876 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  UCR92100  Silene antirrhina D. L. Banks, Steve Boyd 1995-5-9 415 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. 738 Comment
  RSA708076  Silene gallica Scott D. White, Angelia Carey 2004-4-16 10188 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UC1294019  Silene laciniata subsp. major E. K. Balls 1958-6-27 23295 Riverside from jct with Main Divide 3.1 mi nw along Indian Trunk Trail; Santa Ana Mts., along Indian Trunk Trail fr jct w/Main Divid 914 Comment
  RSA5511  Silene parishii var. viscida C. B. Wolf 1932-8-5 3981 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  CAS-BOT-BC202936  Simmondsia chinensis N. Aitkenhead 1976-9-28 2077 Riverside So. of Chiriaco Summit Comment
  HSC25922  Simmondsia chinensis R. W. Spjut 1972-1-20 2127 Riverside Colorado Desert, N base of the Chuckawalla Mtns. 305 Comment
  SD245475  Simmondsia chinensis Sarah De Groot, April Garbat 2013-4-9 6998 Riverside Chuckwalla Mountains: Along Graham Pass Road, 5.6 miles south of junction with Chuckwalla Spring road, ~10.5 miles south of powerline, 11.4 miles south of Chuckwalla Valley Road. Up wash along road and up side drainage to west. 436 Comment
  POM307279  Sisymbrium altissimum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2140 Riverside Palms to Pines Highway. Comment
  UCR83199  Sisymbrium erysimoides A. C. Sanders 1994-5-15 14478 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR108716  Sisymbrium irio Scott D. White, Pam DeVries 1998-2-9 6077 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing. 30 Comment
  JOTR16641  Sisymbrium orientale Leary, Pat 1975-4-27 1111 Riverside Joshua Tree National Park. COTTONWOOD CANYON 853 Comment
  UCD115602  Sisymbrium orientale Rimo Bacigalupi; L. R. Heckard, C. L. Custer 1953-5-5 4070 Riverside along Morongo Creek, along road between Morongo Valley and Coachella Valley. 685 Comment
  RSA234100