Search Results — 2000 specimen records retrieved (1896 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
  RSA0051596  Abies concolor Mike Thornburg 1977-5-29 s.n. Riverside San Jacinto Nat'l. Forest, Reeds Camp. 2438 Comment
  SBBG25869  Abronia villosa E. R. Blakley 1966-4-9 6751 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  SBBG69829  Abronia villosa M. N. Ackley -Mar-1922 711 Riverside Murrieta Hot Springs 398 Comment
  SBBG92802  Abronia villosa D. Charlton 1988-2-19 1208 Riverside mudstone wash N of Mecca Hills, box cyn on rd between Cottonwood Wash and Mecca 457 Comment
  SEINET893716  Abronia villosa Norman C. Cooper 1944-1 994 Riverside Cabazon, Riverside Co. 457 Comment
  UCR163077  Abronia villosa B. G. Pitzer, G. R. Ballmer 2000-10-14 4229 Riverside Sonoran (Colorado) Desert, c. 0.25 mi. west of Wiley's Well Rd. on south side of Hwy I-10 120 Comment
  RSA165140  Abronia villosa var. aurita Mark Parratt 1962-2-24 111 Riverside E side of road in cathedral city. Colorado desert edge. Drainage area: Salton Sea. 152 Comment
Read comments
Jun 24 2008
  RSA461182  Abronia villosa var. aurita N. C. Cooper 1949-3-15 3035 Riverside Palm Springs 122 Comment
  RSA747727  Abronia villosa var. aurita Justin M. Wood 2009-3-26 395 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
  UCR101523  Abronia villosa var. aurita D. L. Banks, Lauren Raz 1996-11-5 1183 Riverside NW Palomar Mtns., Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along main road in the reservation, c. 0.2 mi. east of the church, across from the local cemetery. 378 Comment
  UCR248475  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3154 Riverside Mojave Desert, Southern section of the Mecca Hills, c. 2.5 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other 37 Comment
  JOTR28915  Abronia villosa var. villosa La Doux, Tasha, Bill Truesdell 2004-3-11 1150 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 533 Comment
  SD39336  Abronia villosa var. villosa Edith A. Purer 1935-4-21 6453 Riverside Near Palm Springs. Comment
  UCR180339  Abronia villosa var. villosa Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11268 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  RSA414902  Acacia greggii var. arizonica E. Crow 1928-11-12 48 Riverside Morongo Valley, Colorado Desert. Comment
  CAS-BOT-BC30911  Acamptopappus sphaerocephalus Samuel B. Parish 1907-4-23 6090 Riverside Western border of the Colorado desert. Palm Springs 160 Comment
  CAS-BOT-BC30950  Acamptopappus sphaerocephalus L. R. Abrams 1941-4-23 13923 Riverside White Water wash, Palm Springs railroad station Comment
  CAS-BOT-BC20353  Achillea millefolium Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  RSA564291  Achnatherum coronatum Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  SBBG57047  Achnatherum occidentale subsp. occidentale R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  RSA770430  Achnatherum speciosum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4869 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  HSC85398  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  CAS-BOT-BC384720  Achyronychia cooperi John Thomas Howell 1928-1-28 3279 Riverside Thousand Palms, Colorado Desert Comment
  RSA479851  Achyronychia cooperi L. F. La Pre 1988-4-1 s.n. Riverside Colorado Desert, Palo Verde Mesa, W of Blythe. South of Hwy 1-10 at the W end of 16th St. (approx sec. 4) 99 Comment
Read comments
Dec 14 2007
  SBBG34721  Achyronychia cooperi T. L. Secrest 1948-4-7 Riverside 2 mi S of Desert Hot Springs 213 Comment
  SEINET7048023  Achyronychia cooperi Steven R. Hill, Kate Kramer 2001-4-27 33492 Riverside North side of Route I-10, west side of Coachella Canal, about 0.1-0.2 mile north of interstate highway, 3 miles east of Indio. Elevation about 31 feet. Comment
  SD224960  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3092 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  CAS-BOT-BC204876  Acmispon argyraeus var. argyraeus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  SDSU14012  Acmispon glaber var. brevialatus Jonathan S. Austin, Michael G. Simpson 2002-4-20 14 Riverside Along northeastern part of Loop trail. Santa Margarita Ecological Reserve. 335 Comment
  SD107122  Acmispon heermannii var. heermannii B. Ertter, J. Strachan 1979-6-26 2988 Riverside Banning-Idyllwild Road at Black Mountain turnoff (Forest Road 4S01) Comment
  RSA0118391  Acmispon rigidus Lyman Benson 1949-3-28 13559 Riverside Pines to Palms Highway from Palm Springs to Hemet; rocky mountainside. Mt. Range: Santa Rosa. 731 Comment
  JOTR35143  Acmispon strigosus La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3255 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  RSA0047274  Acmispon strigosus J. Mark Porter, Lauren E. Machen 1997-2-15 11417 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
  SBBG34207  Acmispon strigosus T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  SBBG36361  Acmispon strigosus T. L. Secrest 1948-4-10 Riverside near Sage Comment
  JOTR31774  Adenophyllum porophylloides Andre, Jim, Tasha La Doux 2009-3-10 11243 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
  UCR21920  Adenostoma fasciculatum Steve Boyd 1980-5-11 248 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
  UC859044  Adenostoma sparsifolium E. C. Jaeger 1922-8-20 1005 Riverside n. slope San Jacinto Mt. 1371 Comment
Read comments
May 29 2011
  CAS-BOT-BC101828  Agave deserti C. B. Wolf; P. C. Everett 1939-9-29 9455 Riverside Desert slopes of San Jacinto Range, Deep Canyon on Palms to Pines Road, 2 7/10 mi. below road to Dos Palmos Spring 274 Comment
  RSA0013039  Agoseris heterophylla var. heterophylla LeRoy Gross, Caitlin Elam 2013-5-14 6043 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
  RSA681918  Agrostis pallens Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9586 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  SEINET10467712  Agrostis scabra var. geminata David B. Dunn 1946-8-17 Dunn 2720 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mts. Comment
  SD187477  Ailanthus altissima Scott D. White, Angelia Carey 2004-4-16 10152 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent slopes 548 Comment
  SEINET3092215 Image available Allionia incarnata Barbara Gayle Pitzer 1998-2-1 3437 Riverside Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed. 427 Comment
  SEINET12049414  Allium hyalinum B. C. Templeton 1930-1 1484 Riverside N of Gavilan[????]? 550 Comment
  RSA70180  Allium munzii F. W. Peirson 1922-4-28 2961 Riverside Temescal Canyon, western Riverside Co.. 320 Comment
  UC1544768  Allium munzii Steve Boyd 1986-4-22 1781 Riverside just w of third powerline tower n of summit of Estelle Mt. Gavilan Hills, Estelle Mt. 841 Comment
Read comments
Oct 26 2011
  UCR42428  Allium munzii Steve Boyd 1986-5-7 1827 Riverside Peninsular Range, Temescal Canyon, S slope of Alberhill Mountain 427 Comment
  UCR78048  Allium munzii Scott D. White 1993-4-22 1255 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  SEINET3878623  Allium peninsulare Steve Boyd, Timothy S. Ross 1991-5-2 6090 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain 3 mi N Hwy 79, 1 mi W of Hwy 371, N Aguanga.; 0 600 Comment
  UCR112388  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside Riverside, yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
  RSA192035  Allophyllum glutinosum E. W. Lathrop 1966-5-9 6275 Riverside 3 miles SW of Murrieta between Mesa de la Punta and Sandia Canyon. Comment
  SEINET3224408  Allophyllum glutinosum G. Goodwin 2012-6-15 3462 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  RSA90202  Alopecurus saccatus F. W. Peirson 1922-5-19 3021 Riverside 10 miles northeast of Murrieta. Comment
  RSA0104496  Amaranthus powellii Duncan S. Bell 2015-9-30 8659 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA451025  Amaranthus retroflexus Stephen M. Beckstrom-Sternberg 1985-9-10 1015 Riverside U.C.R. garden plots. Comment
  CAS-BOT-BC13611  Ambrosia acanthicarpa Carl B. Wolf 1931-10-14 2459 Riverside Cabezon, San Gorgonia Pass. 518 Comment
  CAS-BOT-BC45009  Ambrosia confertiflora Katherine Esau 1935-6-20 s.n. Riverside Near Beaumont Comment
  RSA675683  Ambrosia confertiflora Scott D. White 2001-6-20 8595 Riverside Sun City Area: Just east of Goetz Rd. and south of Ethanac Rd., ca. 1 1/2-2 mi west of I-215 Freeway. 442 Comment
  CAS-BOT-BC22582  Ambrosia dumosa Donald W. Kyhos 1960-3-19 60 -6 Riverside Dillon Road 5 miles north of junction with US Highway 99 near Indio Comment
  CAS-BOT-BC22604  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -331 Riverside Joshua Tree National Monument: about 4 mi S of Entrance to Cottonwood Springs Campground Comment
  IRVC728  Ambrosia dumosa R. H. Whittaker, W. A. Niering 1963-6-1 SJ 124 Riverside Palms to Pines Hwy, slope NE-30 degrees; open, very rocky, gneiss-gabbroic soil, suffrutescent desert Santa Rosa Mountains 915 Comment
  UC1539707  Ambrosia dumosa Chas. B. Fiker 1946-4-18 3417 Riverside w side Colorado Desert Comment
Read comments
Mar 23 2014
  UCR167258  Ambrosia dumosa John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR20775  Ambrosia dumosa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 01313 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
  UCSB10231  Ambrosia dumosa Gunnerson, R. 1963-3-20 Riverside Whitewater Canyon, Colorado Desert Comment
Read comments
Mar 27 2014
  RSA776937  Ambrosia ilicifolia Amber Swanson, Duncan S. Bell 2011-3-18 220 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  UCR172727  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32367 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  LA31366  Ambrosia salsola Jane Turner; Barbara Wlatreel, Virginia Sjaholm 1959-3-21 C- 175 Riverside Morongo Wash Comment
  UCR263511  Ambrosia salsola Aaron C. Sedgwick, Brett Griffin 2012-3-28 024 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  UCSB6610  Ambrosia salsola var. salsola Haller, John 1960-4-2 Riverside Orocopia Mountains, 1.5 mi. S of the junc. of U.S. 60-70 and the S entrance road to Joshua Natl. Monument 579 Comment
  UCR110411  Ammannia robusta A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23176 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
  UCR85580  Ammannia robusta Julie A. Greene 1993-6-11 1358 Riverside San Jacinto Valley, San Jacinto Wildlife Area [NW of Lakeview] 441 Comment
  UC597728  Amorpha fruticosa Philip A. Munz 1937-5-30 15111 Riverside Dos Palmos Spring Santa Rosa Mts. (n end of mts.) 1097 Comment
  UCR250205  Amorpha fruticosa var. occidentalis A. C. Sanders 2014-4-23 41058 Riverside Peninsular Range, Temescal Valley, along Hostettler Rd. near Temescal Canyon Rd. and I-15, at bend in Hostettler Rd. 363 Comment
  CAS-BOT-BC168085  Amsinckia intermedia A. C. Sanders; Guy Bruyea 2004-4-2 27406 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  RSA0089626  Amsinckia intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3881 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  SBBG95668  Amsinckia intermedia S. Boyd 1986-3-1 1366 Riverside Gavilan Plateau, Gavilan Hills: 0.25 mi S of Harford Springs County Park 640 Comment
  UC1212043  Amsinckia intermedia Peter H. Raven 1959-4-23 14015 Riverside 1.3 mi e Dripping Springs Comment
  UCR16784  Amsinckia intermedia C. M. Bringle 1967-4-2 s.n. Riverside Riverside, Mockingbird Canyon off Jackson St., 0.2 mi past 1645 Jackson, in ravine on S side, about 1/4 mi out 351 Comment
  UCR20733  Amsinckia intermedia A. C. Sanders, Steve Boyd 1980-5-2 1398 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA0089609  Amsinckia intermedia Steve Boyd 1986-3-9 1391 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  UCR158339  Amsinckia retrorsa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30055 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
  RSA757798  Amsinckia tessellata var. tessellata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4289 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  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
  UCD121201  Amsonia tomentosa William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR173931  Ancistrocarphus filagineus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32563 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 587 Comment
  UC20803  Angelica tomentosa H. M. Hall 1897-7-29 740 Riverside San Jacinto Mountain 1524 Comment
  UCR201492  Anisocoma acaulis Scott D. White, Justin M. Wood 2008-5-15 11964 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  UC218084  Antennaria rosea P. A. Munz 1922-9-7 6403 Riverside Tamarack Valley San Jacinto Mts., Tamarack Valley 2804 Comment
  UCR158325  Anthriscus caucalis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30072 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
  SJSU11491  Antirrhinum coulterianum J. W. Tofflemire 1957-4-19 Riverside Sobobo Indian Reservation by community of San Jacinto Comment
  UCR154605  Antirrhinum coulterianum A. C. Sanders, Mike Misenhelter 2005-6-15 30999 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
  UCR162269  Antirrhinum coulterianum 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
  UCR1123  Antirrhinum filipes Emmylou M. Krausman 1958-4-5 29 Riverside Sonoran (Colorado) Desert, Corn Springs, Chuckwalla Mtns. 9.9 mi up the canyon to vicinity of Aztec Wells 396 Comment
  UCR116417  Antirrhinum nuttallianum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24186 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
  RSA543158  Antirrhinum nuttallianum subsp. nuttallianum Steve D. Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6088 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA614530  Antirrhinum nuttallianum subsp. nuttallianum A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20701 Riverside N side of the range, Twin Pines Creek below the confluence with Brown Creek. below the confluence with Brown Creek. 854 Comment
  RSA470388  Apiastrum angustifolium Martha Hilend 1928-4-8 166 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  UCSB4906  Apocynum androsaemifolium Kamb, Peter 1948-7-11 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UC9005  Aquilegia formosa H. M. Hall July, 1901 2417 Riverside San Jacinto Mtns 3261 Comment
  RSA0025519  Arabis John F. Emmel 1986-4-12 994 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. 1372 Comment
  RSA66764  Arabis perennans E. C. Jaeger 1922-6-29 5443 Riverside Tahquitz Valley, San Jacinto Mts. 2104 Comment
  UCR174539  Arabis sparsiflora Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 357 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243 at turnout next to Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  RSA629147  Arctostaphylos Jon E. Keeley 1992-7-17 16767 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629151  Arctostaphylos Jon E. Keeley 1992-7-17 16784 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 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-BC23120  Arctostaphylos glandulosa subsp. glandulosa Scott D. White 1996-8-1 4450 Riverside San Jacinto Mts., Idyllwild Area: North of Isomata along USFS Rd. 5S24.1 1645 Comment
  RSA629407  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19498 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
  RSA282770  Arctostaphylos glandulosa var. adamsii C. W. Tilforth, W. Wisura 1979-8-8 1891 Riverside Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning. 1037 Comment
  RSA631737  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19285 Riverside Highway 79, 2 km west of Radec. 550 Comment
  RSA631750  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19265 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631772  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16555 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA631852  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16604 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  RSA632653  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16539 Riverside Red Mtn. Rd., 6-6.8 km east of R3. Comment
  UCR133451  Arctostaphylos glauca Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 473 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR94266  Arctostaphylos glauca Scott D. White 1996-4-14 3922 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA633560  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16618 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633575  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21769 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633667  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21771 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633720  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16632 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633746  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21791 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  CAS-BOT-BC46600  Arctostaphylos patula E. K. Balls 1949-5-4 13483 Riverside 2 mi. w. of Fuller Creek Camp Ground, San Jacinto Mts. 1493 Comment
  UC21884  Arctostaphylos patula H. M. Hall 1901-6 2312 Riverside near Tahquitz; San Jacinto Mountains 2286 Comment
  CAS-BOT-BC44329  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley one and one-half miles from Idyllwild on road to Banning, San Jacinto Mts. 1706 Comment
  RSA50330  Arctostaphylos pringlei subsp. drupacea E. K. Balls 1949-5-4 13481 Riverside 3 miles from Idyllwild on road to Banning. 1524 Comment
  SBBG5417  Arctostaphylos pringlei subsp. drupacea H. and M. Dearing 1937-11-27 1283 Riverside Santa Rosa Mtn Comment
  SBBG59985  Arctostaphylos pringlei subsp. drupacea R. Hoffmann 1929-9-6 Riverside slope of Tahquitz Comment
  SD3568  Arctostaphylos pringlei subsp. drupacea Florence Youngberg 1933-8-28 Riverside San Jacinto Mtns., near Idyllwild Pines, near Inspiration Point Comment
  RSA125341  Arctostaphylos pungens P. H. Raven 1958-5-18 12981 Riverside 1.7 miles NE of Pinyon Flats, San Jacinto Mountains. Comment
  RSA635785  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16528 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  UCR106339  Arctostaphylos pungens John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR208229  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside San Jacinto Mtns., near Pipe Creek, above Hemet Valley 1677 Comment
  RSA575903  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon. Fisherman's Camp. 462 Comment
  SD185195  Arctostaphylos rainbowensis S. J. Myers 1993-1-22 Riverside Santa Rosa Plateau, southwest of Mesa de Colorado, Carancho Road at Tortuga Rd. 366 Comment
  UCR68857  Arenaria douglasii Steve Boyd, T. S. Ross 1990-5-11 4646 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  RSA36551  Arenaria macradenia Sara M. Schenck 1941-6-15 s.n. Riverside Black Springs wash, Joshua Tree National Monument. 1220 Comment
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Feb 24 2013
  JOTR36464  Argemone corymbosa La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3434 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  UC1040944  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-8-7 2178 b Riverside 13.2 mi se of Idyllwild (Hemet Valley); Hemet Valley 1371 Comment
  UCR102939  Argemone munita George K. Helmkamp 1998-4-4 3182 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  CAS-BOT-BC401649  Argemone munita subsp. argentea Carl B. Wolf 1932-4-27 3038 Riverside Colorado Desert. Mecca - Blythe Road. 3/4 mi. West of Utopia 152 Comment
  POM285867  Argemone munita subsp. munita Gerald B. Ownbey 1954-6-24 2170 Riverside 0.1 mi. w. of Radec. 517 Comment
  RSA586838  Argemone munita subsp. munita D. L. Banks, Peter L. Morrell 1995-5-4 305 Riverside Cleveland National Forest. Agua Tibia Wilderness. N slope of Agua Tibia Mtn. E. of the Dripping Springs Alcove area. N of the Wildhorse trail, on metasedimentary hills. N of Wildhorse peak. 622 Comment
  CAS-BOT-BC207120  Argythamnia lanceolata Ivan Johnston 1917-4-4 1106 Riverside Andreas Canyon, Colorado Desert 274 Comment
  JOTR35091  Aristida adscensionis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3542 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  UCR167416  Aristida adscensionis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR244447  Aristida adscensionis Jim Andre 2012-4-16 20903 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  POM7099  Aristida adscensionis var. modesta P. A. Munz 1919-3-25 2330 Riverside Palm Canyon, Palm Springs. 229 Comment
  UCR175235  Aristida californica var. californica Jim Andre, T. La Doux 2006-4-11 6739 Riverside S Mojave Desert, Pinto Basin: c. 1 mi N of Pinto Basin Rd. (paved), in the Sand Hill area 527 Comment
  UCR23881  Aristida purpurea var. nealleyi John C. Roos 1946-9-14 3029 Riverside Peninsular Range; Santa Rosa Mtns., along the roadside c. 1 mile east of Pinyon Flats camp 1189 Comment
  UCR24338  Aristida purpurea var. nealleyi John C. Roos, Lucille Roos 1950-10-21 5012 Riverside Mojave Desert, Little San Bernardino Mountains, Wonderland of Rocks [Joshua Tree National Park] 1220 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
  SEINET3919271  Aristida wrightii Sears 1977-10-13 S 607 Riverside Wiley's Well Campground (BLM).; 0 181 Comment
  CAS-BOT-BC90197  Artemisia californica Frank W. Peirson 1922-12-27 3338 Riverside between the forks, Andreas Canyon, Palm Springs region, Colorado Desert 609 Comment
  POM319658  Artemisia dracunculus Patricia Wilder 1971-9-29 5278 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. Base of the San Jacintos. 518 Comment
  POM319663  Artemisia dracunculus Patricia Wilder 1970-10-15 4802 Riverside Prado Dam on bank at east end of dam in Prado Flood Plain Control Basin. 183 Comment
  SEINET218666  Artemisia dracunculus Patricia Wilder 1971-3-20 4883 Riverside Riverside County: In dry areas along Santa Ana River at end of Pedley Street, Norco; south side of river. 244 Comment
  UCD129233  Artemisia dracunculus K. Esau 1935-6-15 s.n. Riverside Exact location unknown. Comment
  CAS-BOT-BC93731  Artemisia ludoviciana subsp. albula S. B. Parish 1918-4-3 11699 Riverside Oak Lodge, mouth San Jacinto River Comment
  POM244867  Artemisia tridentata E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood, south of Hemet 976 Comment
  SD229066  Artemisia tridentata Dick Schwenkmeyer 2012-3-26 661 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  SD197749  Arthrocnemum subterminale Karin Cleary-Rose, G. Nuhn 1995-7-20 Riverside Peninsular Range, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Highway 74 and Whittier Ave, at south end of Hyatt Ave. 456 Comment
  SEINET229305  Asclepias albicans Unknown 1985-4-16 8254 Riverside North side of Chuckwalla Mountains. About 10 miles east of Desert Center. 183 Comment
  POM3353  Asclepias californica P. A. Munz 1918-4-27 2151 Riverside Temescal Canyon Comment
  RSA496466  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3082 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  RSA586809  Asclepias californica D. L. Banks, S. D. Boyd 1995-5-3 246 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR17948  Asclepias californica K. Stolte 1978-5-28 s.n. Riverside peninsular Range/Agua Tibia Mtns. Region, Along Hwy 79, at entrance to Dripping Springs Camp Comment
  RSA401680G  Asclepias eriocarpa N. C. Cooper 1944-7-15 1557 Riverside Palms to Pine Hwy 1463 Comment
  RSA795942  Asclepias erosa Duncan S. Bell 2009-4-19 278 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA741270  Asclepias fascicularis Scott D. White, Justin M. Wood 2008-7-10 12449 Riverside Fobes Spring 1500 Comment
  SEINET10837266  Asclepias subulata Billy Joe Cox 1975-10-10 Cox 4213 Riverside Palo Verde, 1-3 km W, (ca. 32 km S of Blythe); creosote desert scrub, sandy and gravelly entisols 70 Comment
  SEINET10728237  Aster Billy Joe Cox 1975-10-10 Cox 4224 Riverside Riverside-Imperial counties. 1-3 km W, (ca. 32 km S of Blythe); creosote desert scrub sandy and gravelly entisols. 70 Comment
  JEPS20775  Astragalus aridus Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13229 Riverside 2.4 mi s Rice (on road to Midland and Blythe); s of Rice Comment
  JEPS44388  Astragalus bicristatus Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4268 Riverside ca 20 mi due w of n end Salton Sea (ne of Toro Peak, Santa Rosa Mountains); Santa Rosa Mountains, w of Salton Sea, ne of Toro Peak Comment
  JEPS83135  Astragalus coccineus R. P. Allen 1935-3-24 255 Riverside Eagle Mountains Comment
  SEINET898798  Astragalus didymocarpus Carl B. Wolf 1935-1 6301 Riverside Gavilan Hills Region. 2 mi. SW. of Perris. 427 Comment
  UCR121797  Astragalus didymocarpus A. C. Sanders, Carolyn Washburn 2001-4-17 24035 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  SBBG68215  Astragalus douglasii R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  CAS-BOT-BC178440  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild. Comment
  SEINET948244  Astragalus douglasii var. parishii D. Bramlet 1990-1 2040 Riverside Approximately 915m south of Hwy 79 and 152m south of the Dripping Springs Campground. The site is 30m east of the main wash. Vail Lake 7.5 USGS Quadrangle. 494 Comment
  UC63673  Astragalus douglasii var. parishii H. M. Hall June 1901 2229 Riverside in the vicinity Strawberry Valley (San Jacinto Mountains); , vicin Strawberry Valley 1584 Comment
  UCR35360  Astragalus filipes L. B. Ziegler 1972-5-17 456 Riverside San Jacinto Mtns, Hemet (Garner) Valley. 1418 Comment
  RSA90215  Astragalus filipes F. W. Peirson 1922-5-20 3341 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  UCR102843  Astragalus gambelianus A. C. Sanders 1997-4-3 20170 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR171956  Astragalus gambelianus 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
  CLARK-A1528-2746  Astragalus insularis var. harwoodii John C. Roos 1949-4-11 4241 Riverside Chuckwalla Mountains Comment
  RSA338323  Astragalus insularis var. harwoodii L. M. Shultz, John S. Shultz 1985-4-15 8391 Riverside Chuckwalla Valley depression, between McCoy and Mule Mountains at Wiley's Well Road. 121 Comment
  UCR246555  Astragalus lentiginosus var. borreganus Duncan S. Bell 2009-4-18 212 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  RSA627041  Astragalus lentiginosus var. coachellae Don Mitchell 1998-4-18 s.n. Riverside Coachella Valley. SW of Edom / 1000 Palms RR siding: along access road to Pacific Bell cellular phone antenna. Nar the point where 300 ft. contour line intersects section line between sects. 19 and 30. 91 Comment
  RSA643197  Astragalus lentiginosus var. coachellae James C. Dice, Kimberly A. Nicol 1998-3-24 980324 -3 Riverside 7.1 miles (11.4 km) N of Desert Center, along State Highway 177. 162 Comment
  RSA336199  Astragalus nuttallianus var. cedrosensis R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52013 Riverside Chino Canyon. Comment
  RSA524468  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4071 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA653227  Astragalus pomonensis A. C. Sanders, T. B. Salvato 2000-5-25 23401 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
  UCD105191  Astragalus pomonensis R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  SD224954  Astragalus tricarinatus G. K. Helmkamp 1998-4-3 3087 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  UCR106421  Athysanus pusillus George K. Helmkamp, A. C. Sanders 1997-3-15 1488 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  SD45170  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well. 580 Comment
  SDSU6305  Atrichoseris platyphylla Mark Dodero 1992-5-1 1 V92A Riverside Box Canyon road, ca. 6.7 miles northeast of Hwy. 111 Comment
  UCD129390  Atrichoseris platyphylla M. F. Wojciechowski; M. J. Sanderson 1993-3-24 279 Riverside Little Maria Mountains, near Midland. Comment
  UC1366101  Atriplex canescens K. R. Montgomery 1969-9-7 69 -31 Riverside 18 mi s Hemet (1.5 mi e of Riverside Co. Hgwy 3, on Wilson Valley Road); s of Hemet Comment
  UCR35147  Atriplex canescens L. B. Ziegler 1964-8-11 012 Riverside San Jacinto Mtns., Garner (Hemet) Valley growing alongside Hwy #74, 0.5 mi south of Hemet Lake 1341 Comment
  CAS-BOT-BC170198  Atriplex canescens subsp. canescens Marcus E. Jones 1903-5-8 s.n. Riverside Indio 7 Comment
  POM184644  Atriplex canescens var. laciniata L. C. Wheeler 1931-11-27 379 Riverside 2 miles SE of Salton Bench Mark. -76 Comment
  SD240965  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside South Palen Lake, Chuckwalla Valley, 4.5 km SE of Sidewinder Well, 2.3 km SW of Palen Dunes Drive, and 4.2 km N of Interstate 10. 128 Comment
  RSA520928  Atriplex coronata var. notatior D. E. Bramlet 1990-6-13 2034 Riverside Dry duck pnd areas 2km east of davis Rd. and some 600m southeast of the CDFG San Jacinto Wildlife area., The population was found beside a dirt Rd. about 100m NE f an existing dog kennel. 473 Comment
  UCR228161  Atriplex elegans var. fasciculata Dave Silverman 2010-3-24 7831 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.3 km SE of Sidewinder Well, 2.0 km SW of Palen Dunes Dr., and 4.6 km N of Interstate 10 130 Comment
  CAS-BOT-BC176540  Atriplex polycarpa Lewis S. Rose 1961-11-24 61068 Riverside La Quinta 15 Comment
  RSA478372  Atriplex polycarpa Jack Rempel 1932-11-18 s.n. Riverside Colorado Desert, 10 miles up Palm Wash Comment
  UCSB1653  Atriplex polycarpa Ballard 1955-1-8 Riverside On road from Palm Springs to Cathedral City 182 Comment
  UC1279710  Atriplex polycarpa David B. Dunn, Shago Yamaguchi, H. Lint 1947-12-21 3572 Riverside Comment
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May 24 2012
  RSA619796  Atriplex rosea A. C. Sanders, K. C. Rose 1998-9-29 22241 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. 459 Comment
  SD162764  Atriplex semibaccata Virginia Moran 1999-2-9 Riverside C.f. West Coast Thoroughbred Farm, 12150 Riverside Avenue, disturbed area (farm slated for development) Comment
  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
  UCR172138  Atriplex serenana A. C. Sanders 2006-5-11 32254 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  RSA752292  Atriplex serenana var. serenana Scott D. White 2009-8-10 13355 Riverside City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  RSA685162  Atriplex suberecta Scott D. White, Michael Honer 2003-4-9 8974 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  UCR130513  Atriplex suberecta R. E. Riefner Jr. 2003-5-27 03- 240 Riverside Elsinore Trough, back basin of Lake Elsinore, Malaga Rd. near Mission Trail, SE of intersection 390 Comment
  UCR49993  Atriplex suberecta S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  UCR271329  Avena barbata A. C. Sanders, Amy Litt & UCR Pl. Taxonomy Class 2016-5-7 42464 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of old Emerson house site 488 Comment
  RSA0094418  Baccharis brachyphylla Duncan S. Bell, Sarah DeGroot, Mark Porter 2015-10-19 8717 Riverside Whitewater Canyon, along the Pacific Crest Trail, approximately 0.75 air mile northeast of Red Dome. 885 Comment
  RSA40607  Baccharis brachyphylla J. C. Roos 1946-9-14 3008 Riverside Dry desert near Dos Palmos Spring, E of Asbestos Mountain. 1067 Comment
  SD247312  Baccharis brachyphylla Andy Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Road. 646 Comment
  SD255081  Baccharis brachyphylla Duncan S. Bell, Sarah DeGroot and Amy Rouillard 2015-10-19 8717 Riverside Transverse Ranges: San Bernardino Mountains region: Whitewater Canyon, along the Pacific Creset Trail, approximately 0.75 air mile northeast of Red Dome. 885 Comment
  UCR23276  Baccharis brachyphylla John C. Roos 1950-10-16 5008 Riverside Transverse Range/Little San Bernardino Mtns., Dry Morongo Canyon about 1 mi south of Riverside-San Bernardino County line 612 Comment
  CLARK-A1528-1625  Baccharis emoryi John C. Roos 1937-9-12 Riverside Santa Ana River Comment
  RSA486458  Baccharis emoryi Richard Noyes 1988-10-30 758 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA296140  Baccharis salicifolia B. A. Prigge 1980-8-5 3885 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
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Jan 14 2010
  RSA594790  Baccharis salicifolia Darin L. Banks, Dylan Hannon 1996-5-3 0986 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  RSA716192  Baccharis salicifolia Scott D. White, Angelia Carey 2004-4-5 10017 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR138718  Baccharis salicifolia Julie A. Greene 1993-4-17 1221 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  RSA93170  Baccharis salicifolia F. W. Peirson 1933-4-15 10654 Riverside Whitewaer River, 4.5 miles above bridge of Indio Hwy 701 Comment
  RSA93201  Baccharis salicifolia F. W. Peirson 1924-12-30 5424 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  CAS-BOT-BC106630  Baccharis salicina Carl B. Wolf 1931-3-13 1084 Riverside Colorado Desert, in old cotton field, 2 mi. north of Blythe 152 Comment
  UCR167328  Baccharis sarothroides Scott D. White, J. Wood 2005-9-27 11231 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  RSA772579  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5044 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 W116.66011 750 Comment
  SD232171  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 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. 395 Comment
  LA204018  Bahiopsis parishii H. Lewis; 1952-4-5 sn Riverside Road to 29 Palms 1 mi. S of road to Desert Hot Springs Comment
  RSA346254  Bahiopsis parishii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54062 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  CAS-BOT-BC99950  Baileya pauciradiata Geo. B. Grant 1906-4-20 6709 Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC99953  Baileya pauciradiata Alice Eastwood 1913-4-30 3049 Riverside Palm Springs Comment
  CAS-BOT-BC99969  Baileya pauciradiata Ira L. Wiggins 1938-3-19 8900 Riverside Colorado Desert 25 mi. W. of Blythe Comment
  RSA0127789  Baileya pauciradiata G. Rink 2013-3-22 11907 Riverside About twelve miles west of Blythe, along the power line for the proposed Quartzite solar power plant, NE of the power transfer station. 145 Comment
  UCR42403  Baileya pleniradiata J. M. Stewart 1986-3-3 86- 15 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, east of Desert Center, east of the dry lake south of Palen Dry Lake Comment
  JEPS19302  Bebbia juncea var. aspera W. L. Jepson May 17 1901-Jun 1 1901 1384 Riverside Palm Canon and return to Van Deventer's Comment
  RSA0039603  Bebbia juncea var. aspera Deidre Conocchioli, Duncan S. Bell 2014-3-11 153 Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla. 110 Comment
  UC1281253  Bebbia juncea var. aspera H. E. McMinn 1935-6-27 4057 Riverside Palm Canyon region Palm Canyon Comment
  RSA0048231  Beloperone californica Nancy Anderson 1955-5-22 s.n. Riverside Dead Indian Canyon. [county unspecified] 304 Comment
  CAS-BOT-BC75738  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4074 Riverside Vail Lake area, upper benches and adjacent slopes of the east flank of 'Big' Oak Mountain, just south of the east summit 701 Comment
  RSA594515  Berberis nevinii D. L. Banks, Rashmi Pant 1996-5-13 1020 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy 79., Just S of the Cleveland National Forest Boundary. 396 Comment
  RSA439857  Bergia texana S. B. Parish 1891-11-3 s.n. Riverside Elsinore Lake. Comment
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Aug 8 2010
  POM78906  Berula erecta I. M. Johnston 1925-7-19 5332 Riverside Pedley-Arlington Road. Comment
  UCR172237  Bloomeria crocea John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR172793  Bloomeria crocea Wayne Law, Jun Hu 2000-5-16 19 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR180110  Bloomeria crocea Mitch Provance 2003-4-26 9883 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  RSA769762  Boechera californica Duncan S. Bell, Valentin Arvizu 2010-5-10 984 Riverside San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  SD253411  Boechera johnstonii John F. Emmel 2001-4-28 1700 Riverside San Jacinto Mountains; Garner Valley; NE-facing slope 0.2 air mile S of trailhead parking area for Ramona Trail. 1378 Comment
  CAS-BOT-BC14161  Boechera perennans John F. Emmel 1971-3-22 330 Riverside San Jacinto Mountains. Northeast of Pinyon Flat. Dos Palmas immediately below. 1097 Comment
  CAS-BOT-BC14726  Boechera repanda H. M. Hall 1901-6-1 2449 Riverside San Jacinto Mountains. Tauquitz Valley. 1889 Comment
  RSA518278  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UCR19108  Boerhavia coccinea John C. Roos 1948-5-15 3858 Riverside Sonoran (Colorado) Desert, S foot of the Eagle Mtns, mouth of Lost Palms Wash Comment
  UC2026402  Boerhavia coulteri Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10051 A Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UCR58877  Boerhavia coulteri J. M. Stewart 1989-10-16 610 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  HSC79071  Boerhavia triquetra G. K. Helmkamp 1983-10-8 - 19 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
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Feb 18 2013
  UCR26125  Boerhavia triquetra John C. Roos 1946-10-26 3140 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns Comment
  OBI38271  Boerhavia wrightii David J. Keil 1985-8-30 18953 Riverside Chiriaco Summit exit from I-10 Comment
  RSA780239  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-12 96 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  UCR182356  Bolboschoenus maritimus Mitch Provance 2005-5-17 6599 A Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR95731  Bolboschoenus maritimus subsp. paludosus D. L. Banks, Lauren Raz 1996-8-29 1143 Riverside Agua Tibia Mountains, NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. Along Arroyo Seco, north of Wildhorse Peak, before the drainage bends to the south. 549 Comment
  UCR17724  Bouteloua aristidoides Paul Mack, Hap Ritter 1976-10-16 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi NW of Blythe on the Midland Road, McCoy Wash drainage. SW side of the Big Maria Mtns. 244 Comment
  UCSB51414  Bouteloua aristidoides Roos, John 1965-9-5 Riverside Desert Center Comment
  UCR195799  Bouteloua aristidoides var. aristidoides Jim Andre, T. La Doux 2007-9-6 8706 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  UCR23972  Bouteloua barbata John C. Roos 1946-9-14 3025 Riverside Santa Rosa Mtns., Pinyon Flats 1220 Comment
  SEINET10835065  Bouteloua barbata David B. Dunn 1946-3-15 Dunn 2027 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills, sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UCR195794  Bouteloua barbata var. barbata Tasha La Doux, J. Andre 2007-9-6 135 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  HSC85436  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD144090  Bowlesia incana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19858 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UC1537149  Bowlesia incana Gordon H. True Jr. 1935-4-9 226 Riverside Box Springs 365 Comment
  UCR249918  Brachypodium distachyon A. C. Sanders 2014-4-18 41039 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Horsethief Canyon Road and Glen Eden 372 Comment
  CLARK-A1528-5381  Brandegea bigelovii John C. Roos 1963-10-23 Riverside Comment
  JEPS78698  Brandegea bigelovii S. B. Parish 1912-10-23 8292 Riverside near Mecca (Chuckwalla Mountains, Red Canyon); Chuckwalla Mountains, Red Canyon Comment
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Nov 24 2011
  SBBG7426  Brandegea bigelovii H. and M. Dearing 1936-12-26 1130 Riverside foot of Palms to Pines Hwy Comment
  UC494864  Brandegea bigelovii C. L. Hitchcock 1932-4-7 12198 Riverside Corn Springs, eastern Riverside County Corn Springs Comment
  UCR102706  Brandegea bigelovii B. G. Pitzer 1998-1-24 3390 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR148303  Brandegea bigelovii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  UCR59916  Brassica kaber Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, University of California agricultural experimental farms, c. 1/2 mi south of Alessandro Blvd at NE corner of Cactus Avenus and Nason Street Comment
  JOTR31848  Brassica tournefortii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2106 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA676128  Brassica tournefortii Scott D. White 2001-4-13 8329 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
  SD187378  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC1929782  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside SANTA ROSA MOUNTAINS: Desert slope; Hwy 74 near Carrizo Creek crossing. Comment
  RSA651822  Brassica tournefortii Marion P. Harthill 1971-3-19 11 Riverside Palm Desert. Comment
  UC604871  Brickellia atractyloides Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9553 Riverside Cottonwood Springs Canyon Comment
  UCR92395  Brickellia californica F. M. Reed 1927-10-11 5497 Riverside South Coast; San Bernardino Valley, Riverside, foothills of Box Springs Mtns. 365 Comment
  CLARK-A1528-1669  Brickellia desertorum John C. Roos 1950-9-30 4994 Riverside Box Springs Mountains 457 Comment
  RSA771882  Brodiaea terrestris subsp. kernensis Steve Boyd 2010-5-28 12284 Riverside Elsinore Peak, just south of trail along old Main Divide Road at easternmost clay knoll east of main peak 1000 Comment
  UCR157593  Bromus arizonicus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16220 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  SD233246  Bromus carinatus Scott D. White, Justin M. Wood 2009-5-22 12896 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  JOTR35261  Bromus catharticus var. catharticus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3279 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA750754  Bromus hordeaceus Scott D. White, Justin M. Wood 2009-5-22 12898 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR165423  Bromus hordeaceus A. C. Sanders 2005-4-21 29560 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  JOTR37759  Bromus madritensis subsp. rubens Hodges, Stephen R. 2016-2-29 715 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UC1930083  Bromus madritensis subsp. rubens Scott D. White 2001-3-27 8172 Riverside BADLANDS: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/Theodore St. Adjacent to County Landfill. Comment
  POM47446  Bromus orcuttianus var. hallii Mary F. Spencer 1919-6-27 1232 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA326157  Bromus orcuttianus var. hallii John F. Emmel 1981-5-25 768 Riverside San Jacinto Mountains; Idyllwild along Tollgate Road at bridge crossing of Strawberry Creek. 1524 Comment
  SEINET3222959 Image available Bromus rubens Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi W of Temecula, with Ave. del Oro as the N boundary. 380 Comment
  CLARK-A1528-4556  Bromus tectorum John C. Roos 1967-4-25 Riverside Hemet Comment
  POM250344  Caesalpinia virgata I. W. Clokey 1935-4-17 6717 Riverside Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  POM47669  Caesalpinia virgata Mary F. Spencer 1920-3-13 1448 Riverside Painted Canyon near Mecca -60 Comment
  RSA444311  Caesalpinia virgata Walter Wisura 1988-3-1 4181 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  CLARK-A1045-129  Calandrinia ambigua George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA556510  Calandrinia ciliata Julie Greene 1993-4-10 1169 Riverside East of Horse Ranch fence. San Jacinto Wildlife Area. 436 Comment
  UCR51068  Calandrinia ciliata S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR76168  Calandrinia ciliata A. C. Sanders 1993-4-1 13667 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  RSA761282  Calocedrus decurrens Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 732 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET10531073  Calocedrus decurrens James S. Miller 1992-5-8 Miller 7469 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  RSA291568  Calochortus concolor C. W. Tilforth 1980-7-15 2079 Riverside South of Tool Box Springs Campground, Thomas Mtn. Rd., south of Lake Hemet & west of [Highway] 74. Comment
  CAS-BOT-BC488545  Calochortus concolor Carl B. Wolf 1932-5-24 3654 Riverside No. base of San Jacinto Mts., Snow Creek Canyon, 1 mile above Fish Hatchery 792 Comment
  UCR183010  Calochortus splendens Mitch Provance 2003-5-5 4427 B Riverside San Berardino Valley, Norco, SW slopes of the La Sierra Hills, +- 0.9 mi. WNW of Mt. Grape (peak 1064) 244 Comment
  CAS-BOT-BC497282  Calochortus weedii var. weedii John Thomas Howell 1931-5-30 6586 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  UC667272  Calycoseris parryi Annie M. Alexander and Louise Kellogg 1941-5-11 2146 Riverside 1.5 mi n of Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  UCR74397  Calycoseris wrightii Theo Glenn 1991-5-1 91- 51 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  SD215627  Calyptridium monandrum Steve Boyd, Tim Ross, et al. 1990-4-2 4031 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79. 487 Comment
  SJSU8135  Calyptridium monandrum G. B. Youngberg 1956-3-30 221 Riverside among hills near La Sierra College, Arlington 228 Comment
  UC7750  Calyptridium monandrum H. M. Hall June, 1901 2050 Riverside vicinity of Chalk Hill; San Jacinto Mountains 1402 Comment
  SEINET5336237  Calyptridium monandrum I. W. Clokey 1935-4-18 6616 Riverside Gavilan Mesa Comment
  UCR19620  Calystegia fulcrata B. Freeman 1969-6-29 690629- 10 Riverside San Jacinto Mtns, University of California James Reserve. Large meadow across from James House, c. 150-200 ft. from road. 1646 Comment
  UCR155947  Calystegia macrostegia T. B. Salvato, Kent Beaman 2005-5-16 819 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
  POM122402  Calystegia macrostegia subsp. intermedia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  CSUSB675  Calystegia macrostegia subsp. longiloba Kenneth Hibberd 1966-3-27 660327 3 Riverside La Sierra Road, 2.5 miles south of Victoria Street heading toward Lake Mathews. 365 Comment
  CAS-BOT-BC221318  Calystegia macrostegia subsp. tenuifolia Peter H. Raven 1959-4-23 14024 Riverside 5.1 miles west of Dripping Springs Comment
  LA50059  Calystegia macrostegia subsp. tenuifolia Elizabeth McClintock; 1935-5-12 sn Riverside Massacre Canyon near San Jacinto Comment
  RSA394932  Calystegia macrostegia subsp. tenuifolia M. M. Thompson 1947-6-9 C- 2083 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UC64607  Calystegia macrostegia subsp. tenuifolia H. M. Hall 1897-6-1 595 Riverside Riverside 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
  SEINET9288250  Camissonia Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR202236  Camissonia 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
  RSA792831  Camissonia brevipes Justin M. Wood, Dustin Ray 2011-4-28 3852 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
  RSA145183A  Camissonia brevipes subsp. brevipes E. G. Linsley, J. W. MacSwain 1960-3-2 60 -6 Riverside Colorado Desert, 2 miles west of Desert Center. Comment
  RSA722996  Camissonia californica M. Wall 2007-6-26 431 Riverside San Jacinto Valley, Bautista Creek wash off Bautista Canyon Rd. 3.0 miles SE of jct with Fairview Ave. 678 Comment
  SEINET7072826  Camissonia californica A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). 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
  POM272059  Camissonia californica Lyman Benson 1933-3-31 4179 Riverside Beginning of Hemet Road, San Jacinto Mt. Colorado Desert. 579 Comment
  RSA9347  Camissonia californica Mary F. Spencer 1920-3-29 1614 Riverside In desert sand, Palm Springs, Colorado Desert. 137 Comment
  RSA160027  Camissonia cardiophylla David B. Dunn 1946-2-22 1964 Riverside All American Canal catch basin from desert washes. Orocopia Mts. north east of the Salton Sea. Comment
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May 24 2012
  POM14040  Camissonia claviformis subsp. aurantiaca P. A. Munz 1922-4-14 4994 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  RSA444306  Camissonia claviformis subsp. aurantiaca Walter Wisura 1988-1-29 4177 Riverside Low sand dunes NE of Fred Warring [Waring] Drive, Palm Desert. [seed voucher] Comment
  RSA448933  Camissonia claviformis subsp. aurantiaca Robert L. Dressler 1949-3-19 395 Riverside Box Canyon, Orocopia Mts. Comment
  RSA449184  Camissonia claviformis subsp. aurantiaca Bonnie C. Templeton, I. W. Clokey 1930-4-9 1054 Riverside N. of Palm Springs, Colorado Desert 450 Comment
  RSA449189  Camissonia claviformis subsp. aurantiaca Christopher Davidson 1979-4-4 7673 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA777395  Camissonia claviformis subsp. aurantiaca Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 789 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCR226856  Camissonia claviformis subsp. aurantiaca Jim Andre 2011-2-9 15932 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR263506  Camissonia claviformis subsp. aurantiaca David Fraker, Aaron C. Sedgwick 2012-3-22 019 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  UCR102925  Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2682 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  SDSU3352  Camissonia confusa H. Wedberg 1958-3-31 203 Riverside 10.3 miles south of Hwy 74 in Hemet, on Hwy 79. Comment
  UCR132486  Camissonia hirtella Tracy Tennant, T. B. Salvato 1998-6-23 477 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR133355  Camissonia hirtella Tracy Tennant, J. S. Ross 1998-5-7 MOR- 121 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  RSA501032  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3152 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA543896  Camissonia micrantha Steve Boyd 1991-5-20 6273 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA33600  Camissonia pallida subsp. pallida N. C. Cooper 1944-4-23 1156 Riverside Cabazon. 457 Comment
  RSA776225  Camissonia pallida subsp. pallida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 868 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UC1186514  Camissonia refracta E. G. Linsley and J. W. MacSwain 1960-3-2 60 -5 Riverside 2 mi w Desert Center Comment
  POM302488  Camissonia strigulosa J. C. Roos 1943-8-8 2703 Riverside Dry flat, Hall Canyon, San Jacinto Mts. 1768 Comment
  UC20533  Camissonia strigulosa H. M. Hall May 1899 Riverside San Jacinto Mountains 1828 Comment
  UCR18396  Camissonia strigulosa A. C. Sanders 1978-5-20 465 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  RSA651720  Camissonia strigulosa Margaret Murphy 1983-5-15 0025 -C Riverside located in the north section of parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA0014943  Camissoniopsis intermedia LeRoy Gross, Evan Meyer 2013-5-21 6116 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  SBBG101791  Camissoniopsis intermedia S. Boyd, T. Ross, M. Hammitt 1991-5-2 6044 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SBBG37503  Camissoniopsis micrantha R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  JOTR32376  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2487 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  UCR166102  Camissoniopsis pallida subsp. pallida A. C. Sanders, G. Nuhn 1995-4-20 16578 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UCR158334  Capsella bursa-pastoris A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30059 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
  UCR92446  Capsella bursa-pastoris A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18108 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  SEINET7063425 Image available Carex A. G. Vestal 1947-3-30 s.n. Riverside West of Cahuilla Valley on Route 371. UTM Zone 11, 519809mE, 3708775mN. (WGS84/NAD83). 1045 Comment
  CHSC106640  Carex bolanderi P. Zika; N. Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains (SnJt); Bridge over N Fork San Jacinto River, Dark Canyon, at campground. 1785 Comment
  SEINET10377919  Carex bolanderi P. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains; bridge over North Fork San Jacinto River, Dark Canyon, at campground 1785 Comment
  UCR26916  Carex bolanderi A. C. Sanders 1980-7-22 1710 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  SEINET7556721 Image available Carex densa A. C. Sanders 2004-4-20 27567 Riverside Santa Ana Mtns: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. Fallbrook 7.5' Q. 640 Comment
  UC1254603  Carex douglasii James E. Cole 1941-5-17 726 Riverside Covington Flat Joshua Tree National Monument, Covington Flat 1584 Comment
  CAS-BOT-BC32224  Carex multicostata Frederick Morris Reed 1908-7-11 2483 Riverside Summit of San Jacinto Mt. 2621 Comment
  SEINET13700904  Carex sartwelliana P. F. Zika, Otting, N 2010-8-6 25299 Riverside San Bernardino National Forest, N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Jacinto Mountains (SnJt) Comment
  CAS-BOT-BC115979  Carex subfusca Philip Alexander Munz 1938-8-14 15348 Riverside Meadow, Virgin Spring, Santa Rosa Peak. 2286 Comment
  UCR150603  Carex subfusca R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38118 Riverside Peninsular Ranges; San Jacinto Mtns. region, San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  UCR29121  Carex subfusca A. C. Sanders, S. D. Boyd 1980-5-19 1502 Riverside San Jacinto Mountains, Garner Valley. Herkey Creek where it crosses the road on the south side of Herkey Creek County Park. 1326 Comment
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Sep 10 2011
  SD181802  Carex triquetra Scott D. White, Sandy Leatherman 2000-5-31 7974 Riverside Santa Ana Mountains/ Santa Rosa Plateau: Near Squaw Mountain. 640 Comment
  UCR271492  Carpobrotus chilensis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42407 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
  UCD105617  Cassia nemophila A. C. Sanders; K. C. Rose 1999-5-28 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. 10 Comment
  JEPS46520  Castela emoryi E. E. Schellenger May 1920 Riverside Hayfields e Mecca (Colorado Desert); , Hayfields e of Mecca Comment
  POM8059  Castela emoryi Childs 1920-5-15 s.n. Riverside Hayfields'' at Northern end of Colorado Desert. Comment
  CHSC1694  Castilleja affinis 1940-3-10 Riverside San Jacinto foothills. Comment
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Mar 10 2013
  SEINET3079495 Image available Castilleja affinis Don Mitchell 1990-4-30 Riverside W. side of Sage Road, ca 1/2 mi. S of intersection with Wilson Valley Road. (Sage 7.5' quad) 701 Comment
  RSA305817  Castilleja angustifolia James R. Shevock 1971-5-8 1041 Riverside Near Skull Rock, Joshua Tree National Monument. 1220 Comment
  RSA0010959  Castilleja applegatei subsp. martinii Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 639 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0099992  Castilleja applegatei subsp. martinii Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8577 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  RSA448692  Castilleja applegatei subsp. martinii Francis W. Pennell, A. L. Grant 1940-4-28 25283 Riverside West slope of San Jacinto Range. 1402 Comment
  UCR158255  Castilleja exserta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30108 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  HSC20889  Castilleja exserta subsp. exserta R. A. Eagle 1964-3-28 Riverside 5 mi. out of Riverside on the Van Buren St. Comment
  JEPS10327  Castilleja exserta subsp. exserta I. W. Clokey 1930-4-9 4712 Riverside Moreno Grade 700 Comment
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Mar 20 2011
  RSA33496  Castilleja foliolosa N. C. Cooper 1944-5-6 1183 Riverside Banning. 701 Comment
  UCR102934  Castilleja foliolosa George K. Helmkamp 1998-4-3 3089 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  RSA706  Castilleja linariifolia J. T. Howell 1927-8-1 526 Riverside Mission Creek, Colorado Desert. 610 Comment
  RSA0010953  Castilleja miniata subsp. miniata P. A. Munz, I. M. Johnston 1924-7-28 8804 Riverside Pine Flats 1738 Comment
  RSA761164  Castilleja spiralis Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 697 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC38139  Caulanthus amplexicaulis H. M. Hall 1900-6-1 s.n. Riverside Riverside. Comment
  RSA531097  Caulanthus cooperi M. B. Dunkle 1937-3-25 4902 Riverside Colorado Desert. Shaver s Well Comment
  RSA559936  Caulanthus lasiophyllus var. rigidus Steve Boyd 1992-4-18 6887 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  RSA562428  Caulanthus lasiophyllus var. rigidus D. Bramlet 1993-4-13 2323 a Riverside Approxiamtely 61m S of the existing Lake Mathews access road, some 549m N of Cajalco road, in the Cajalco bend area. The site is 1.2km W of Lake Mathews Drive. Comment
  SEINET3507419 Image available Caulanthus simulans L. F. LaPre 1986-4-17 Riverside Bull Canyon, Gavilan Hills. Comment
  CAS-BOT-BC56931  Ceanothus Steve Boyd; Tim Ross 1993-3-23 7894 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  CAS-BOT-BC83845  Ceanothus crassifolius D. O. Burge 2007-3-19 796 b Riverside SW of Vail Lake, at side of off-road vehicle trail 500 Comment
  LA41989  Ceanothus crassifolius W. E. Pequegnat; 1937-8-25 sn Riverside Santa Ana Mountains, Palo Comado SMMNRA, Glen Ivy Trail 457 Comment
  RSA495806  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2915 Riverside Vail Lake area, Temecula Creek Cyn., 1.0 mi. west of Vail Lake Dam. 396 Comment
  RSA518452  Ceanothus crassifolius C. W. Tilforth, Dorothy Tilforth 1977-3-6 1260 Riverside 0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 and Forestry Rd. 6S06. Comment
  VVC434  Ceanothus crassifolius Steve Boyd, K. A. Boyd 1993-3-28 7921 Riverside Palomar Mountains, Palomar Range S of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  POM146233  Ceanothus cuneatus J. B. Feudge 1925-3-15 1707 Riverside near Gilman Relief Hot Springs 610 Comment
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Mar 13 2011
  CLARK-A1528-3895  Ceanothus leucodermis John C. Roos 1952-4-23 5574 Riverside Highgrove Comment
  HSC47408  Ceanothus leucodermis Richard Spjut, C. E. Edison 1978-5-5 5021 Riverside Between Idyllwild and Banning along Hwy. 243 in the San Jacinto Mtns. 1220 Comment
  POM48485  Ceanothus leucodermis Mary F. Spencer 1919-6-20 1205 Riverside Idyllwild. San Jacinto Mountians. 1616 Comment
  UCSB3915  Ceanothus leucodermis Kamb, Peter 1946-4-27 Riverside Banning- IdyllwiId Road near Barton Lookout, San Jacinto Mountains 1066 Comment
  LA44926  Ceanothus oliganthus var. sorediatus W. E. Pequegnat; 1939-4-8 sn Riverside Santa Ana Mountains, Coldwater Trail 731 Comment
  RSA569996  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7911 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. 792 Comment
  RSA606737  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27418 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
  RSA606750  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27408 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
  SBBG105058  Ceanothus ophiochilus S. Boyd with K. Boyd 1993-3-28 7910 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215, just SW of jct of Briggs Rd and Scott Rd 792 Comment
  SJSU15171  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  SD42462  Ceanothus palmeri Carl B. Wolf 1941-8-12 11145 Riverside San Jacinto Mts. Keen Camp Cummit, Between Keen Camp P. O. & Hemet Valley 1493 Comment
  CAS-BOT-BC51916  Ceanothus perplexans Peter H. Raven 1958-5-17 12959 Riverside along road to Banning 6.1 miles North-West of Lake Fulmore, San Jacinto Mountains Comment
  PASA2513  Ceanothus sorediatus Frank W. Peirson 1931-5-30 Riverside Santiago Peak 1219 Comment
  RSA0050342  Ceanothus tomentosus W. Pequegnat 1940-6-18 s.n. Riverside Sierra Peak, Santa Ana Mountains. Comment
  UCR3465  Centaurea melitensis Tom Painter 1964-5-16 51664 4 Riverside San Bernardino Valley/Perris-Aguanga Basin, Box Springs Mtn., 1.2 mi SW of intersection of Pigeon Pass Road and Box Springs Road 765 Comment
  JEPS106968  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 19 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  SD262185  Centromadia pungens subsp. laevis Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417 49 Riverside Menifee Valley: Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. Vernal pool. 430 Comment
  UCR246466  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2010-6-5 10- 49 Riverside city of Riverside, Sycamore Canyon Park, west c. 0.5 mi from Cottonwood Ave and Sycamore Canyon Blvd 433 Comment
  UC161908  Centrostegia thurberi var. thurberi C. R. Orcutt Riverside Colorado Desert Comment
  UC667256  Centrostegia thurberi var. thurberi Annie M. Alexander and Louise Kellogg 1941-4-27 2100 Riverside Joshua Tree National Monument Joshua Tree National Monument Joshua Tree National Monument; Joshua Tree National Monument 1310 Comment
  CLARK-A1045-880  Cerastium glomeratum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  CDA26877  Cercidium floridum T. C. Fuller 1962-4-4 8001 Riverside Highway 99 [later renumbered Highway 86] to El Centro, 3.2 miles south of Oasis. 0 Comment
  CSUSB1617  Cercidium floridum Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  POM2527  Cercidium floridum Marjorie Shaw s.n. Riverside Palm Springs. Comment
  RSA628887  Cercidium floridum A. C. Sanders 1994-6-1 14621 Riverside Box Canyon in Mecca Hills, ca 4.5 miles below Shaver's Well, 12 miles SW of the Box Canyon road intersection with I-10. 150 Comment
  RSA16368  Cercocarpus betuloides Percy C. Everett 1935-6-17 7163 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA453310  Cercocarpus betuloides Gale Sphon 1955-5-21 s.n. Riverside 6 miles south of Banning. Comment
  CAS-BOT-BC135454  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside Rocky ridges near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  CAS-BOT-BC135499  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 546 Riverside In small dry watercourse area, NE side Cactus Spring Trail west of Horsethief Canyon, Deep Canyon drainage, north slope Santa Rosa mts. 1097 Comment
  UC527317  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mountains); San Jacinto Mountains 1676 Comment
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Mar 24 2011
  UCR26631  Cercocarpus minutiflorus E. W. Lathrop 1966-3-20 6071 Riverside Cleveland National Forest, 10 mi west of Murrieta on the Tenaja Truck Trail between Tenaja Guard Station and DeLuz, Trabuco District 652 Comment
  HSC79241  Cercocarpus montanus var. glaber Miles Fellows 1985-3-12 Riverside UCR botanic garden, original site across from ranger station in Lytle Creek Canyon, San Gabriel Mtns. at 2700 ft. Comment
  HSC94216  Cercocarpus montanus var. macrourus D. Atwood 1993-3-26 17683 Riverside Santa Ana Mtns., 4.8 mi. S of Lake Elsinore along Hwy. 74 808 Comment
  UCR150010  Chaenactis artemisiifolia Scott D. White, Angelia Carey 2004-4-16 10151 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR281244  Chaenactis artemisiifolia Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 73 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  RSA676119  Chaenactis carphoclinia Scott D. White 2001-4-3 8221 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SBBG87440  Chaenactis carphoclinia D. Charlton 1988-2-25 1227 Riverside Dillon Rd and 1000 Palms Oasis Rd jct, parallel to Interstate 10, ca. 5 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UCSB37396  Chaenactis carphoclinia Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns; Corn Springs Wash 457 Comment
  RSA777814  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 853 A Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  UC1119683  Chaenactis carphoclinia var. carphoclinia H. S. Yates 1937-3-23 6443 Riverside 15 mi nne Mecca; Thermal Quad. 457 Comment
  CAS-BOT-BC276942  Chaenactis fremontii P. C. Everett; N. F. Lolonis 1963-5-3 24493 Riverside Colorado Desert, US Highway 99, 2.7 miles SE of exit to 29 Palms and Yucca Valley 30 Comment
  CLARK-A1528-5626  Chaenactis fremontii John C. Roos 1937-4-18 2462 Riverside Comment
  UC1119730  Chaenactis fremontii H. S. Yates 1937-3-23 6395 Riverside 2 mi n of Palm Springs; San Jacinto 213 Comment
  UCR132915  Chaenactis glabriuscula 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
  UCSB6427  Chaenactis glabriuscula Waian, Lee 1960-5-14 Riverside San Jacinto Mtns.; 8 miles from Banning on road to Idyllwild 1066 Comment
  CAS-BOT-BC277409  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1808 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow, gabbro substrate; Skunk Hollow vernal pool Comment
  JEPS34142  Chaenactis glabriuscula var. glabriuscula W. L. Jepson and H. M. Hall 1901-5-17 1246 Riverside San Jacinto town to Strawberry Valley 487 Comment
  RSA523317  Chaenactis glabriuscula var. glabriuscula G. H. True 1935-3-15 112 Riverside Box Springs 34 Comment
  RSA772574  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5010 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 W116.66014 750 Comment
  UCR108882  Chaenactis glabriuscula var. glabriuscula Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR136001  Chaenactis glabriuscula var. glabriuscula Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  CAS-BOT-BC100679  Chaenactis parishii H. M. Hall 1899-5-24 1178 Riverside El Toro mt., Coyote [Canon] Canyon 1524 Comment
  RSA396458  Chaenactis parishii Walter Wisura 1987-6-19 4165 Riverside 3.9 miles from Hwy 74 along, Thomas Mountain Rd., S of Lake Hemet; San Jacinto Mtns. Comment
  CAS-BOT-BC284340  Chaenactis stevioides A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37430 Riverside SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Road, Sonoran (Colorado) Desert 170 Comment
  JOTR30260  Chaenactis stevioides Leary, C. and Leary, Pat 1979-5-6 3022 Riverside Joshua Tree National Park. In burned area west of Lost Horse Valley, Joshua Tree National Monument, T2S R7E sec 13 Comment
  NY43322  Chaenactis stevioides C. R. Annable 1995-3-16 2298 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  RSA339341  Chamaesyce R. F. Thorne, W. A. Tilforth 1980-5-28 54175 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
  RSA680924  Chamaesyce polycarpa Scott D. White, Michael Honer 2003-5-14 9280 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA775100  Chamaesyce polycarpa Duncan S. Bell, Michael Hee 2011-3-18 2053 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  SEINET3089933 Image available Chamaesyce polycarpa D. Hoover 1986-4-7 776 Riverside South of Morongo Valley; main canyon at the BLM gate. 549 Comment
  SEINET3089934 Image available Chamaesyce polycarpa J. C. Roos 1947-11-1 3755 Riverside Eagle Mountains, edge of Lost Palms Wash. Comment
  RSA651896  Chamaesyce polycarpa var. polycarpa Douglas A. Springer 1981-2-16 11 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. Comment
  RSA640168  Chamaesyce prostrata L. C. Wheeler 1964-10-10 8634 Riverside 3030 Oak Ave. Corona. Comment
  SEINET6046708  Chamaesyce setiloba Unknown 1954-9-25 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA0065478  Cheilanthes californica W. A. Peard 1949-2-4 s.n. Riverside Kroonen Canyon, Corona. 335 Comment
  CAS-BOT-BC66319  Cheilanthes clevelandii John Thomas Howell 1927-8-2 2907 Riverside a few miles south of Banning on road to Strawberry Valley of Mt. San Jacinto 670 Comment
  IRVC3123  Cheilanthes clevelandii R. H. Whittaker, W. A. Niering 1963-6-2 SJ 172 Riverside Mountain Center-Hemet Highway [74]. Peninsular Ranges, San Jacinto Mountains 1128 Comment
  RSA33511  Cheilanthes clevelandii Norman C. Cooper 1944-5-6 1193 Riverside Banning. 701 Comment
  RSA678944  Cheilanthes clevelandii Scott D. White, Michael Honer 2003-6-3 9488 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA6098  Cheilanthes covillei C. B. Wolf 1932-5-24 3646 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  UCR155951  Cheilanthes covillei Scott D. White 1994-4-23 2031 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  UCR275926  Cheilanthes covillei T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3783 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCR151107  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  RSA189430  Cheilanthes parryi L. S. Rose 1966-12-13 66101 Riverside Palm Springs, Tahquitz Wash Desert 182 Comment
  RSA301974  Cheilanthes parryi J. R. Shevock 1970-12-13 565 Riverside White Tank, Joshua Tree 1188 Comment
  RSA685823  Cheilanthes parryi M. B. Dunkle 1932-3-25 2905 Riverside Cathedral Canyon Comment
  RSA598056  Cheilanthes viscida S. B. Parish, W. F. Parish 1881-03 506 Riverside Whitewater, desert side of San Bernardino Mts. Comment
  UC668386  Cheilanthes viscida Annie M. Alexander and Louise Kellogg 1941-4-24 2083 Riverside gorge of Dry Morongo Creek; Morongo Valley 640 Comment
  HSC1016  Cheilanthes wootonii W. R. Supernaugh, Jr. 1964-12-21 18 Riverside Joshua Tree Nat'l Mon. 1 mi. S of Jumbo Rocks Campground at old ground observation post 1372 Comment
  RSA553097  Chenopodium Scott D. White 1992-9-11 s.n. Riverside Vicinity of Gilman Hot Springs, N side of San Jacinto River, and a thin strip trending N of the river and W of the Hot Springs 451 Comment
  CLARK-A1528-2555  Chenopodium album John C. Roos 1951-9-25 5295 Riverside Riverside 259 Comment
  RSA709798  Chenopodium berlandieri A. C. Sanders 2004-7-1 28377 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, ca. 1.5 mile NW of the Menifee-Antelope Community Hall , 0.6 mi. E of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and ca. 5 miles due south of Sun City. 457 Comment
  RSA192154  Chenopodium berlandieri var. sinuatum E. W. Lathrop 1965-5-29 4583 Riverside 14 mi. W of Murrieta. Comment
  POM12953  Chenopodium californicum P. A. Munz, I. M. Johnston 1922-5-21 5536 Riverside Hemet Valley, San Jacinto Mountains 1418 Comment
  UC1287135  Chenopodium californicum C. L. Hitchcock 1966-3-16 24192 Riverside hills about 5 mi ne Aguanga Comment
  UCR201431  Chenopodium californicum Scott D. White, Justin M. Wood 2008-6-17 12170 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCD169510  Chenopodium giganteum A. C. Sanders; Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden. 351 Comment
  UCR208489  Chenopodium murale Scott D. White, Justin M. Wood 2009-3-24 12581 Riverside Colorado Desert, western foothills of Mecca Hills, c. 0.5 air mi east of the Coachella Canal and 4 air mi south of the I-10 Fwy 27 Comment
  UCR115136  Chenopodium strictum Mitch Provance 2000-11-2 2295 Riverside North Riverside, Reid Park, c. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  CAS-BOT-BC231780  Chilopsis linearis E. A. McGregor 1917-3-18 726 Riverside Colorado Desert. 1 mi up Painted Canon [Canyon] Comment
  POM10316  Chilopsis linearis subsp. arcuata Charlotte M. Wilder 1904-8-7 505 Riverside Shaver s Wells. Colorado Desert. Saligma Comment
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Jul 24 2010
  RSA248048  Chilopsis linearis subsp. arcuata C. W. Tilforth 1973-5-30 43577 Riverside Colorado Desert: Mouth of Morongo Valley at N. end of Coachela Valley 549 Comment
  SBBG68705  Chilopsis linearis subsp. arcuata M. N. Ackley 1928-3-31 21 Riverside Painted Cyn 30 Comment
  SEINET3151570  Chilopsis linearis subsp. arcuata Unknown 1906-5-1 Error Riverside Collected on Colorado desert at Palm Springs Comment
  SEINET3004919  Chloracantha spinosa G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10337 Riverside Canal two miles north of Blythe. 70 Comment
  UCR261453  Chorizanthe brevicornu A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41444 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  JOTR38688  Chorizanthe brevicornu var. brevicornu Hodges, Stephen R. 2017-2-7 704 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UCSB1361  Chorizanthe brevicornu var. brevicornu Haller, John 1959-3-22 Riverside immediately south of Hwy 60-70 , 5.9 miles E. of Desert Center Comment
  UCR136188  Chorizanthe coriacea Virginia Moran 2003-5-23 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 700 Comment
  CAS-BOT-BC191307  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside below Anza Tablet at head of Coyote Canyon, SW Riverisde county 1005 Comment
  UCR280947  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 65 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  CAS-BOT-BC252788  Chorizanthe parryi var. parryi A. C. Sanders; T. B. Salvato; Kelly Volansky 2006-5-26 32614 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott. Road and north of Clinton Keith Road 579 Comment
  POM10486  Chorizanthe parryi var. parryi Stephen Grout, Stephen Grout 1903-05 5 Riverside Riverside Comment
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Sep 5 2011
  RSA666893  Chorizanthe parryi var. parryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24183 Riverside 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
  SBBG34231  Chorizanthe parryi var. parryi T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  UCR78332  Chorizanthe polygonoides subsp. longispina D. E. Bramlet 1993-4-26 2334 Riverside Peninsular Range, Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  UC1543906  Chorizanthe polygonoides var. longispina Barbara Ertter and Jeffrey Strachan 1980-5-22 3490 Riverside Dripping Springs Campground Cleveland National Forest (hills on e side, near Hwy 79 between Aguanga and Temecula, n of Wild Horse Peak) 609 Comment
  UCR174161  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32603 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
  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
  CAS-BOT-BC257202  Chorizanthe procumbens Alice Eastwood; John Thomas Howell 1937-4-24 3911 Riverside Summit of Santa Ana Mts. above Elsinore Comment
  RSA559921  Chorizanthe rigida Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6910 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  CAS-BOT-BC248060  Chorizanthe xanti var. leucotheca S. B. Parish 1907-4-19 6168 Riverside Palm Springs, Western edge of the Colorado Desert 200 Comment
  UCR127578  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-5-28 3453 Riverside Base of San Jacinto Mtns., on spoil pile, 2,226 meters south of Cabazon, 2,287m northwest of Cabazon Peak, and 518m northwest of the Colorado River Aqueduct 535 Comment
  UCR58723  Chrysolepis sempervirens Reid Moran 1973-7-28 21107 Riverside Santa Rosa Mtns, Summit of Toro Peak 2500 Comment
  JOTR34385  Chylismia brevipes subsp. brevipes Andre, Jim 2012-4-16 20908 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  UC1184319  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11749 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  UC873886  Chylismia brevipes subsp. brevipes Ira L. Wiggins 1937-3-9 8756 Riverside wash 5 mi w Shaver's Well Comment
  RSA0118063  Chylismia cardiophylla subsp. cardiophylla Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7620 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UC1595784  Chylismia claviformis subsp. aurantiaca W. Wisura, J. Dolan, and M. Wall 1992-3-24 4618 Riverside Box Canyon Rd 5.5 mi ne Mecca; Lowdesert Comment
  UCR244729  Chylismia claviformis subsp. aurantiaca Jim Andre 2012-3-19 21346 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UCR276380  Chylismia claviformis subsp. aurantiaca Jim Andre 2015-4-23 32748 Riverside Sonoran (Colorado) Desert, Rice Valley; along Rice-Midland Rd., 3.1 miles south of Hwy 62, eastern end of Arica Mountains 253 Comment
  RSA0059654  Cirsium occidentale Steve Boyd, Tim Ross 1991-6-14 6403 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  SEINET3146317  Cirsium occidentale var. californicum W. B. Crockatt sn Riverside Prado 91 Comment
  RSA594504  Cirsium vulgare D. L. Banks, Rashmi Pant 1996-5-13 1015 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; In a small spring in oak woodland, approximately 1 km E of the Dripping Springs Guard Station, S of Hwy. 79 536 Comment
  SD187343  Cirsium vulgare Scott D. White, Angelia Carey 2004-5-7 10337 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR99573  Cirsium vulgare Julie A. Greene, S. D. White 1993-7-5 1390 Riverside San Jacinto Valley, San Jacinto Wildlife Area, on raised wet area, west of dirt road 445 Comment
  POM48378  Cistanthe monosperma Mary F. Spencer 1919-7-6 1264 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  RSA714629  Citrullus colocynthis Mitch Provance 2003-5-25 s.n. Riverside Santa Ana River Valley: north side of Ab Brown Park, along Placentia Lane 0.5 mi. SW of the La Loma Hills. 255 Comment
  UCSB22195  Clarkia bottae Hitchcock, C. 1928-5-20 Riverside Santa Ana Canyon; 8 miles west of Prado 400 Comment
  POM3017  Clarkia dudleyana H. M. Hall 1901-06 2265 Riverside In San Jacinto Mountains, canyons of the west side. 1524 Comment
  UCR260859  Clarkia epilobioides A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41564 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 373 Comment
  UCR116665  Clarkia purpurea A. C. Sanders, Carolyn Washburn 2001-5-10 24233 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  RSA652936  Clarkia purpurea subsp. quadrivulnera A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area: north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  SEINET7072835  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders about 0.9 miles west of Radec on Route 79 [old 71]. Coordinate datum: WGS84/NAD83. (33? deg. 28' 2" North Latitude, -116? deg. 55' 39" West Longitude, Coordinate datum: NAD27.). Comment
  UC20332  Clarkia purpurea subsp. quadrivulnera H. M. Hall July, 1901 2262 Riverside Fuller's Mills Mountains San Jacinto Mountains 1584 Comment
  RSA586804  Claytonia parviflora subsp. viridis D. L. Banks, Steve Boyd 1995-5-3 0241 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
  UCR60610  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3174 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  UCR168685  Claytonia perfoliata T. B. Salvato, John F. Green 2004-5-27 585 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
  SD143771  Clematis lasiantha A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20675 Riverside San Jacinto Mountains: N side of range, 0.2 mi. N of Twin Pines Ranch Road. On the dirt road to Brown Crk and Cabazon 1098 Comment
  UCR240628  Clematis lasiantha Tracy Tennant, Mitch Provance 1998-6-16 MOR- 423 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  SD129277  Clematis ligusticifolia J. Hirshberg 1989-7-25 Riverside Butterfield country, SW of Vail Lake Comment
  RSA552742  Clematis pauciflora Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6674 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UC1333278  Clematis pauciflora Charles B. Fiker 1947-4-26 3797 Riverside Dripping Springs Guard Station area Comment
  RSA33657  Cleome isomeris N. C. Cooper 1944-3-25 1042 Riverside Morongo Pass. 457 Comment
  UCR175218  Collinsia Jennifer H. Jones 2006-6-6 396 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  RSA0117439  Collinsia concolor Scott D. White, Michael Honer 2003-4-9 8995 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UCR89571  Collinsia concolor E. N. Anderson 1994-4-20 s.n. Riverside Box Springs Mtns, Two Trees Canyon, above Cassina Spring Comment
  CLARK-A1045-334  Collinsia heterophylla George K. Helmkamp 1978-5-2 Riverside Bautista Canyon Bautista Road; Hemet 15'Q Comment
  CLARK-A1045-340  Collinsia heterophylla George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  POM128498  Collinsia heterophylla Thomas Craig 1927-4-23 209 Riverside Glen Ivy. Comment
  RSA192317  Collinsia heterophylla E. W. Lathrop 1965-5-9 5724 Riverside 6 miles W of Murrieta. Comment
  SBBG47466  Collinsia heterophylla N. C. Cooper 1944-6-17 1429 Riverside Pine Cove 1371 Comment
  UCR171984  Collinsia heterophylla John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  CAS-BOT-BC52499  Colubrina californica Walter Knight; Irja Knight; Fred Klein 1969-3-30 2616 Riverside In vicinity of Eagle Mt. pumping station, .35 mi. from jct. of dead-end Adit Road in sandy wash Comment
  RSA76977  Colubrina californica I. M. Johnston 1930-6-15 3788 Riverside North of Mecca-Blythe road in canyons at SE end of Eagle Mountains Comment
  UCR120851  Convolvulus simulans D. E. Bramlet 1993-4-14 2327 Riverside Gavilan Hills, Black Rocks area, NE of Black Rocks and 1.2 km south of Cajalco Rd., east of orange groves 445 Comment
  UCR232357  Convolvulus simulans John F. Green 2008-4-17 0408- 28 Riverside Peninsular Range; Perris-Aguanga Valley, powerline route south of Perris, near McLaughlin Rd. between Murrieta Rd. and Goetz Rd. 448 Comment
  UCR119423  Conyza coulteri Mitch Provance 1998-6-20 707 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  JEPS6811  Cordylanthus nevinii Carl V. Meyer 1928-7-26 528 Riverside Roach Sawmill site San Jacinto Mountains 2072 Comment
  POM13883  Cordylanthus rigidus subsp. setiger E. C. Jaeger 1921-7-15 1180 Riverside Massacre Canyon Comment
  UC729816  Cordylanthus rigidus subsp. setiger Carl B. Wolf 1932-8-4 3917 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  HSC85257  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  POM15183  Coreopsis californica Mary F. Spencer 1922-4-23 563 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  SDSU4689  Corethrogyne filaginifolia H. Wedberg 1962-7-28 982 Riverside About 7 miles from Hemet on the road to Mountain Center. 610 Comment
  UCSB4670  Cornus sericea DeWitt, Jack 1959-5-17 Riverside At Dark Canyon Camp grounds; near Idyllwild; San Jacinto Mtns. 1524 Comment
Read comments
Nov 5 2018
  RSA656148  Coryphantha alversonii Clarence Bonner 1961-12-1 s.n. Riverside Eagle Mountain Range: East end of the Eagle Mountains near Eagle Mountain pumping station, Metropolitan Water District Aqueduct. 305 Comment
  UCR48485  Cotula coronopifolia Steve Boyd 1986-4-19 1720 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  UCR207611  Cressa truxillensis O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  RSA0121039  Crossosoma bigelovii Duncan S. Bell, LeRoy Gross 2016-3-29 9108 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA291612  Crossosoma bigelovii C. W. Tilforth 1979-2-11 1741 Riverside Whitewater Canyon, east of Morongo Indian Reservation 441 Comment
  RSA758485  Croton californicus Michael Wall 2009-9-11 546 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  RSA785951  Croton californicus J. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  SD38453  Croton californicus Edith A. Purer 1935-4-21 6454 Riverside Desert floor, western Colorado Desert. Comment
  SFV11882  Croton californicus R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UC410824  Croton californicus Mrs. A. F. Rhodda April 1929 Riverside Palm Springs Comment
  UCR234806  Croton californicus Jim Andre, Glenn L. Clifton 2011-2-22 17471 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  UCR276653  Croton californicus Jim Andre 2015-3-6 33547 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  UCR111984  Croton setiger A. C. Sanders, T. B. Salvato 2000-5-25 23413 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR157965  Croton setiger T. B. Salvato, A. C. Sanders 2005-5-17 929 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
  UCR93829  Crypsis schoenoides 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
  UCR231745  Cryptantha John F. Green 2008-4-23 08- 02 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
  UCR258006  Cryptantha Mitch Provance 2003-4-5 403- 01 Riverside Jurupa Mountains, Sunnyslope neighborhood, east side of Sierra Blvd., north of west end of Lauren Ln., SW of 'Noname Mtn.' 755 Comment
  HSC24855  Cryptantha angustifolia James Henrickson 1971-4-2 5476 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  RSA780381  Cryptantha angustifolia Stephanie Rockwood, Christi Gabriel 2011-11-7 197 Riverside Rice Valley. Highway 62 to Blythe/Rice Road. About 1 mile from highway. 229 Comment
  RSA785947  Cryptantha angustifolia J. Andre 2011-2-9 15945 Riverside Coachella Valley; along Varner Road between Desert Hot Springs and Palm Desert, 2 miles N of I-10 189 Comment
  UCR279403  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-25 43017 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
  SEINET241490  Cryptantha barbigera A. C. Sanders, Mitch Provance; T. B. Salvato 2001-4-6 23949 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic, N of flood ditc 347 Comment
  UC667345  Cryptantha barbigera Annie M. Alexander and Louise Kellogg 1941-4-27 2093 Riverside Joshua Tree National Monument, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
  GMDRC4969  Cryptantha barbigera var. fergusoniae J. Andre 2011-2-2 16213 Riverside Coachella Valley: west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point, approx. 5.5. mi. from Jct with I-10 259 Comment
  RSA0119974  Cryptantha barbigera var. fergusoniae Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9093 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  UCR234811  Cryptantha barbigera var. fergusoniae Jim Andre, Glenn L. Clifton 2011-2-22 17476 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  UCR181339  Cryptantha corollata Mitch Provance 2003-4-5 6520 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
  JEPS116968  Cryptantha costata David Gowen 2008-3-25 823 Riverside Sand dunes about 3 miles south of Rice. Comment
  POM3853  Cryptantha costata H. M. Hall 1905-5-1 5974 Riverside Hodges Mountains Comment
  SD248140  Cryptantha costata J. M. Andre 2013-3-27 24795 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  SDSU20923  Cryptantha costata J. M. Andre 2013-3-27 24795 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). NAD83 7.5' Quad: Rice 242 Comment
  UCR85077  Cryptantha costata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16021 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  JOTR29494  Cryptantha decipiens Andre, Jim, Tasha La Doux 2006-4-11 8140 Riverside Joshua Tree National Park. Along paved road through Wilson Canyon at Fried Liver Wash 857 Comment
  UCR30055  Cryptantha decipiens A. C. Sanders 1983-4-9 3721 Riverside Little San Bernardino Mountains, Morongo Wash, c. 2 mi south of San Bernardino County Line, just east of Hwy. 62, at the foot of the Little San Bernardino Mountains, and 12 mi NNW of Palm Springs 549 Comment
  JOTR34347  Cryptantha dumetorum Andre, Jim 2012-4-11 20696 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  SDSU18694 SDSU18694
Image available
Cryptantha dumetorum Kristen Hasenstab, M. G. Simpson 2008-4-2 57 Riverside Joshua Tree National Park. In wash adjacent to Cottonwood Springs wash, running N/NW to S/SE. Located on the west side of wash under a Prunus fasciculata at the edge of the wash. 902 Comment
  RSA0108939  Cryptantha inaequata Duncan S. Bell, Amanda Bell 2012-1-28 3071 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  JEPS82348  Cryptantha intermedia L. R. Heckard 1969-4-24 2162 Riverside about 7 mi s Sage (along Highway 79) Comment
  POM368270  Cryptantha intermedia M. B. Dunkle 1932-3-25 2875 Riverside Cabazon, Colorado Desert. Comment
  RSA0013614  Cryptantha intermedia LeRoy Gross, Duncan Bell 2013-4-30 6021 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  SDSU21845  Cryptantha intermedia Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 4 Riverside Santa Magarita Ecological Reserve, Via Tornado, south side of Santa Margarita river, going uphill, south side of road. 357 Comment
  SEINET244864  Cryptantha intermedia Ian G. Gillespie 2000-4-27 30 Riverside Temescal Valley; 0.9 mi SE of Indian Truch Train and 30 m S of DePalma Road. 412 Comment
  UC1178549  Cryptantha intermedia Peter Kamb 1948-5-2 927 Riverside above Banning (n slopes of the San Jacinto Mts.); San Jacinto Mts. 1066 Comment
  UCR165911A  Cryptantha intermedia T. B. Salvato, John F. Green 2004-5-27 551 A Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  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
  JEPS67683  Cryptantha maritima E. E. Schellenger 1920-5-1 25 s Riverside e of Coachella Comment
  JOTR36469  Cryptantha maritima La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3438 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  UC729731  Cryptantha maritima Carl B. Wolf 1932-4-28 Riverside 17 mi e Mecca (on Blythe Road); Colorado Desert 152 Comment
  VVC944  Cryptantha maritima G. K. Helmkamp 1998-2-18 2716 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  POM3707  Cryptantha micrantha H. M. Hall 1905-4-28 5938 Riverside McCoy Wash. Comment
  RSA499648B  Cryptantha micrantha Anstruther Davidson 1926-3-1 s.n. Riverside Colorado Desert. Comment
  RSA543954  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-9 6185 b Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA594773A  Cryptantha microstachys D. L. Banks, Dylan Hannon 1996-5-3 0967 A Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  UCR173926  Cryptantha microstachys A. C. Sanders 2006-5-19 32441 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SD29589  Cryptantha muricata var. denticulata Darley F. Howe 1941-6-9 1125 Riverside Mt. San Jacinto 1525 Comment
  RSA774888  Cryptantha muricata var. muricata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5031 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 W116.66011 750 Comment
  UCR243509  Cryptantha racemosa Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21087 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 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
  JOTR32474  Cryptantha utahensis Herskovits, Tasya, M. Harding 2011-5-20 10 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 2) 1524 Comment
  CAS-BOT-BC68028  Cryptogramma acrostichoides J. Ewan 1930-9-1 2165 Riverside Summit of Mt. San Jacinto 3293 Comment
  SD187394  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 349 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., north of Leon Rd. 550 Comment
  UC1075573  Cucurbita palmata P. C. Everett and E. K. Balls 1956-5-2 21550 Riverside 1 mi. from turn-off w. of Desert Center to Eagle Mt. 274 Comment
  CDA39910  Cuscuta californica var. californica R. F. Thorne 1963-7-26 32821 Riverside Santa Ana Mountains; Cleveland National Forest, Trabuco District. 0 Comment
  OBI33603  Cuscuta campestris J. C. Roos 1951-9-25 5254 Riverside W end Fairmont park, Riverside 259 Comment
  RSA781916  Cuscuta denticulata Duncan S. Bell 2010-5-1 894 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
  UCD98520  Cycloloma atriplicifolium H. R. Greene 1920-5-11 s.n. Riverside Riverside. Comment
  UCR260530  Cylindropuntia californica var. parkeri T. B. Salvato 2014-5-29 8039 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  UCR36468  Cylindropuntia californica var. parkeri A. C. Sanders 1984-4-21 5014 Riverside Moreno Valley, Moreno Badlands, along Gilman Springs Road, 1.5 mi. northwest of Gilman Hot Springs, 4 mi west of Sanderson Avenue/ Lamb Canyon Road 488 Comment
  RSA0097198  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2015-7-12 18412 Riverside San Gorgonio River, 2.5 km SW of Cabazon, 28 km WNW of central Palm Springs. 538 Comment
  UCSB18340  Cylindropuntia ganderi Lehmann, Karla 1964-5-10 Riverside 5.3 miles east of Pinon Flats 883 Comment
  UCR233936  Cynanchum utahense Duncan S. Bell 2011-10-22 3005 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
  UCR72164  Cynanchum utahense Theo Glenn 1991-5-8 91- 84 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA613958  Cyperus difformis A. C. Sanders 1994-7-27 15165 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 246 Comment
  POM158184  Cyperus eragrostis Phillip A. Munz, I. M. Johnston 1928-9-6 11269 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCR124136  Cyperus eragrostis Steve Boyd, T. S. Ross 1989-8-28 3792 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  CAS-BOT-BC114419  Cyperus erythrorhizos A. C. Sanders; Mitch Provance 1999-9-26 23123 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail, 433 Comment
  CAS-BOT-BC113966  Cyperus odoratus G. R. Kleeberger 1878-12-27 s.n. Riverside Temescal Comment
  POM12143  Cyperus odoratus Mary F. Spencer 1688 Riverside Soboba Hot Springs, San Jacinto. 579 Comment
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Mar 30 2013
  CAS-BOT-BC114017  Cyperus rotundus Frederick Morris Reed 1905-11-12 842 Riverside Raviria Ranch, Blaine Street. Comment
  UC212810  Cyperus rotundus F. M. Reed 1918-1 Riverside Riverside Comment
  POM9800  Cystopteris fragilis E. C. Jaeger 1921-6-15 274 Riverside San Jacinto Mountains: below Round Valley. Comment
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Nov 19 2011
  JOTR38527  Dalea mollis Harding, Mitzi, Kipp Callahan 2012-8-27 296 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA404177  Dalea mollis Christopher Davidson 1979-4-4 7708 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  UC1007185  Dalea mollis Philip A. Munz 1940-3-23 15689 Riverside Gold Crown Mine Mohave Desert, Pinto Mts., Gold Crown Mine 914 Comment
  UC1922904  Dalea mollis Scott D. White, Jennifer H. Jones 2005-4-12 10865 Riverside Coachella Valley: Indio area, vacant land NorthEast of the I-10 Freeway interchange at Jefferson. (Myoma, La Quinta) Comment
  RSA776381  Dalea mollis Amber Swanson 2011-4-8 374 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA741265  Datisca glomerata Scott D. White, Justin M. Wood 2008-7-10 12454 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  SBBG94884  Datisca glomerata B. Pitzer, B. L. Phillips 1988-7-1 1480 Riverside S of Vail Lake, N of Hwy 79, between Kolb and Arroyo Seco Crks, ca. 0.25 mi W of Dripping Springs Guard Station 487 Comment
  UCR233152A  Datura discolor Jim Andre, Glenn L. Clifton 2011-2-22 17460 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR51987  Datura stramonium Steve Boyd 1987-10-10 2093 Riverside Riverside, N Main St. just south of Santa Ana River 250 Comment
  RSA504981  Datura wrightii D. Charlton 1988-2-25 1163 Riverside Box Canyon Wash between the Mecca Hills and Orocopia Mountains, 10 miles S of I-10 and N of Mecca and Salton Sea 305 Comment
  RSA595921  Datura wrightii D. L. Banks, Lauren Raz 1996-11-5 1180 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  POM265809  Daucus pusillus J. C. Roos 1937-5-2 1399 Riverside La Sierra, western Riverside. [Collection is Jack Frost Lake. aka Frost Reservoir, apparently a part of La Sierra [Loma Linda University Campus] ca. 1937 south of Indiana Avenue and west of Sayward Circle, near Pierce., Owned by city of Riverside ca. 2000 Comment
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May 21 2009
  CAS-BOT-BC293821  Deinandra fasciculata Palmer Stockwell 1935-5-12 1221 Riverside 2.5 mi. N. of Elsinore Comment
  SD181707  Deinandra fasciculata Scott D. White 2000-5-30 7972 Riverside 1.0 mile southeast of the I-15/El Cerrito Road junction adjacent to new housing construction. 334 Comment
  CAS-BOT-BC294113  Deinandra kelloggii H. A. Dutton 1899-6-12 s.n. Riverside Warm Springs Valley, Elsinore Comment
  UC1392939  Deinandra kelloggii R. F. Hoover 1968-6-7 11155 Riverside s of Hemet; Lower St. Johns Canyon Comment
  RSA706234  Deinandra mohavensis Michael Wall, Cassy, Dick Whiting 2005-8-6 402 Riverside SE Hemet, Santa Rosa Hills, Simpson Park. Comment
  UC2030087  Deinandra mohavensis Scott D. White 2000-8-5 8100 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  SD145467  Deinandra paniculata Brenda McMillan 1999-7-14 hem 24 Riverside Temecula, off Pourray Road. Skunk Hallow vernal pool, about 100m west of reserve gate 305 Comment
  CAS-BOT-BC7983  Delphinium parishii subsp. parishii Milo S. Baker 1928-4-3 2802 C Riverside Tahquitz Canyon near Palm Springs Comment
  SEINET7048163  Delphinium parishii subsp. parishii Steven R. Hill 2001-5-3 33665 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR232063  Delphinium parryi John F. Green 2008-4-23 07- 04 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  POM369561  Descurainia obtusa subsp. adenophora Lester H. Cushman 18058 Riverside Idyllwild Comment
  UC856042  Descurainia pinnata I. W. Clokey 1935-4-17 6650 Riverside Cottonwood Springs Comment
  JOTR16637  Descurainia pinnata subsp. glabra Wilburn and Walters 1967-3-7 s.n. Riverside Joshua Tree National Park. WHITE TANK 975 Comment
  POM369389  Descurainia pinnata subsp. glabra Ora M. Clark 1932-3-17 s.n. Riverside N of La Quinta, Colorado Desert. Comment
  RSA773188  Descurainia pinnata subsp. halictorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4899 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
  SD185234  Dicentra chrysantha T. B. Salvato, John F. Green 2004-5-27 704 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCR260886  Dicentra chrysantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41569 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 396 Comment
  UCR120160  Dichelostemma capitatum Mitch Provance 1998-3-5 193 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
  UCR93016  Dichelostemma capitatum subsp. capitatum G. P. Schultz 1994-4-7 75 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA367461  Dichelostemma capitatum subsp. capitatum H. Twining 1890-04 s.n. Riverside [No locality information provided] Comment
  POM301822  Dichelostemma capitatum subsp. pauciflorum James E. Cole 1942-5-10 954 Riverside Joshua Tree National Monument. 1341 Comment
  SEINET6879161  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Cajalco district, ca. 5 miles southeast of Lake Mathews, and 2.5 miles west of U.S. 395. Comment
  UCR266626  Dicoria canescens John F. Green 2015-11-20 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, SW edge of Desert Hot Springs, south of Pierson Blvd., east of intersection of Little Morongo Rd. & Thomas Ave. 313 Comment
  UC893553  Dieteria asteroides var. asteroides I. W. Clokey and E. G. Anderson 1935-4-6 6990 Riverside Hemet 600 Comment
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Mar 24 2011
  RSA219228  Dieteria canescens var. ziegleri C. W. Tilforth, John Dourley 1970-9-2 298 Riverside Along road to santa Rosa Mountain 1524 Comment
  RSA736172  Dimorphotheca sinuata Scott D. White, Justin M. Wood 2008-3-25 11776 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  CAS-BOT-BC150682  Diplacus longiflorus H. M. Hall 1901-6-1 2077 Riverside In the vicinity of Chalk Hill 1402 Comment
  CAS-BOT-BC150873  Diplacus puniceus C. F. Baker 1904-4-4 4152 Riverside Elsinore Comment
  CAS-BOT-BC150874  Diplacus puniceus C. F. B. 1904-4-4 4152 Riverside Elsinore Comment
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Sep 3 2017
  UCR277881  Diplacus puniceus B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1068 Riverside Gavilan Hills, Gavilan Peak, west of Perris 610 Comment
  RSA740769  Dipsacus fullonum Scott D. White, Justin M. Wood 2008-6-18 12207 -B Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  UCR240202  Distichlis spicata C. J. Minar 1994-5-7 07 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  CHSC110028  Ditaxis lanceolata Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, 2004-5-14 11225 Riverside Colardo Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA600221  Ditaxis lanceolata L. C. Wheeler 1959-12-27 7644 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA677302  Ditaxis lanceolata P. A. Munz, D. D. Keck 1922-4-13 4945 Riverside Eagle Mountains. 244 Comment
  SEINET3197205 Image available Ditaxis lanceolata Andrew C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37492 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  RSA675730  Ditaxis neomexicana Scott D. White 2001-4-27 8421 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  UCR175173  Ditaxis neomexicana Jim Andre 2006-4-6 6693 Riverside S Mojave Desert, Joshua Tree National Park: along Pinto Basin Rd. in Wilson Canyon 866 Comment
  CSUSB522  Dithyrea californica Barry A. Vittor 1966-3-4 S. N. Riverside Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park 30 Comment
  RSA33641  Dithyrea californica N. C. Cooper 1945-3-24 1618 Riverside Cabazon. 457 Comment
  RSA500531  Dodecahema leptoceras Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3619 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA574741  Dodecahema leptoceras Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon, along Indian Wash, S of Di Palma Road and I-15. 366 Comment
  RSA69040  Dodecatheon redolens F. W. Peirson 1924-7-27 4999 Riverside Deer Springs, San Jacinto Mtns. 2668 Comment
  CSUSB548  Draba cuneifolia O. F. Clark 1966-2-3 S. N. Riverside In the Box Springs Mountians east of the east end of Box Springs road 304 Comment
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Jun 4 2012
  RSA612492  Draba cuneifolia D. L. Banks 1997-2-23 1325 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  IRVC142  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  RSA708016  Dudleya edulis Scott D. White, Jennifer H. Jones 2005-7-5 11151 Riverside Santa Ana Mountains: Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. 335 Comment
  CAS-BOT-BC411417  Dudleya lanceolata Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  CHSC101725  Dudleya lanceolata Scott D. White; Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 B Riverside San Jacinto Mountains; Idyllwild area; 'Strawberry Fuelbreak: between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr., west to creek. 1524 Comment
  SD146294  Dudleya lanceolata A. C. Sanders, Mitch Provance 1998-5-14 21846 Riverside Jurupa Mountains; Rattlesnake Mountain (hill 1452m), Crestmore, above watertank west of Cedar Ave. 366 Comment
  SD70422  Dudleya lanceolata W. L. Jepson 1914-5-25 6069 Riverside San Gorgonio Pass. 550 Comment
  UC101033  Dudleya saxosa H. M. Hall 1901-7-1 2095 Riverside s side San Jacinto Mtns 1584 Comment
  SBBG94680  Echinochloa colona S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 airline mi SW of Temecula; T8S, R 3W on line between S 22 and 27 374 Comment
  UCR82218  Echinochloa crus-galli J. M. Stewart 1994-5-2 846 Riverside Sonoran (Colorado) Desert, Thermal. Fillmore St and Avenue 64 Comment
  VVC2322  Echinochloa crus-galli Tim Thomas 2011-10-17 5521 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  UCR201875  Echinochloa oryzicola Justin M. Wood 2008-9-22 157 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  SEINET8724864 Image available Echinocystis macrocarpa Jean Coulson 1959-1 192 Riverside Riverside County, California, 0.9 mi. N. of Riverside, San Diego County line on Murrieta, De Luz road. E. of road. Comment
  UC1605400  Eclipta prostrata Steve Boyd and Darin Banks 1994-9-29 8370 Riverside floodplain e dike along San Jacinto River (w of Sedco Hills community); Lake Elsinore 381 Comment
  RSA0028738  Elatine brachysperma R. E. Riefner 1998-4-22 98 -295 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  JOTR38423  Eleocharis macrostachya Hodges, Stephen, A. Ingersoll 2015-8-26 652 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  SDSU21795  Eleocharis macrostachya Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3982 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UC485123  Eleocharis macrostachya Carl V. Meyer 1928-7-30 580 Riverside Saunders Meadow San Jacinto Mountains Comment
  UC838966  Eleocharis macrostachya I. W. Clokey and E. G. Anderson 1935-8-21 6565 Riverside Hemet Lake 1320 Comment
  CAS-BOT-BC113300  Eleocharis parishii Samuel B. Parish 1907-4-22 6145 Riverside Western base of the Colorado desert, Palm Canyon. 200 Comment
  UC38213  Elymus X hansenii H. M. Hall June, 1901 2037 Riverside San Jacinto Mountains; s side 1371 Comment
  RSA489830  Elymus elymoides D. Charleton 1988-5-28 2124 Riverside Santa Rosa Mountains. South of Highway 74 dirt road to Toro and Santa Rosa Peaks. Alt. 7500 ft. 2287 Comment
  CLARK-A1528-56  Elymus glaucus C. M. Flanagan 1973-5-22 OO 904 Riverside Rubidoux Comment
  SD181764  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes 640 Comment
  UC38191  Elymus glaucus H. M. Hall 1901-7-20 2515 Riverside vicinity of Strawberry Valley San Jacinto Mts. 1615 Comment
  UCR178345  Elymus glaucus Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1049 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  CAS-BOT-BC206528  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-1 2097 Riverside Slopes and benches of the south side - San Jacinto Mountains 1463 Comment
  UCR158946  Elymus triticoides Scott D. White 1994-6-14 2052 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  POM250358  Emmenanthe penduliflora I. W. Clokey 1935-4-8 6846 Riverside Gavilan Mesa. 600 Comment
  RSA180275  Emmenanthe penduliflora E. W. Lathrop 1965-5-18 5750 Riverside 8 miles W of Murrieta. 610 Comment
  RSA500540  Emmenanthe penduliflora Steve Boyd, Tim Ross, L. Arnseth 1989-6-4 3612 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA559344  Emmenanthe penduliflora Steve Boyd, Tim Ross 1992-5-15 7398 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA648274  Emmenanthe penduliflora Tamara Joy Hanna 1991-5-19 48 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 miles from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  POM97137  Emmenanthe penduliflora P. A. Munz 1925-5-20 9834 Riverside 2 miles W of Dripping Spring. 427 Comment
  SBBG133560  Emmenanthe penduliflora S. D. White 2004-4-26 10269 Riverside Soboba Indian Reservation, Indian Crk Watershed, San Jacinto Mtn foothills 518 Comment
  JOTR34048  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2948 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  POM356674  Encelia actoni Norman C. Cooper 1949-6-29 4285 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  SD127538  Encelia actoni Reid Moran 1967-11-7 14645 Riverside 7 mi W Radec 399 Comment
  UCR117103  Encelia actoni A. C. Sanders, T. B. Salvato 2001-5-16 24307 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
  UCR87933  Encelia actoni A. C. Sanders, N. Ferguson 1994-6-2 14624 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  RSA709903  Encelia farinosa Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4606 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC895519  Encelia farinosa I. W. Clokey 1935-4-17 6946 Riverside Cottonwood Springs Comment
  UCR100878  Encelia farinosa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2695 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  POM356679  Encelia farinosa var. farinosa E. A. McGregor 1964-3-24 s.n. Riverside Painted Canyon, S of Desert Center. Comment
  POM356698  Encelia farinosa var. farinosa Norman C. Cooper 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA301998  Encelia farinosa var. farinosa J. R. Shevock 1971-1-30 650 Riverside S entrance Joshua Tree National Monument 396 Comment
  RSA48418  Encelia farinosa var. farinosa E. K. Balls 1949-4-2 12903 Riverside Near Durmid, by the Salton Sea on Hwy 111, Colorado Desert. -67 Comment
  POM356716  Encelia frutescens Norman C. Cooper 1949-4-8 3320 Riverside Blythe. 259 Comment
  POM14367  Ephedra aspera Philip A. Munz, D. Keck 1922-4-9 4789 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  CAS-BOT-BC81544  Ephedra californica S. B. Parish; W. F. Parish 1882-4-1 653 Riverside Borders of the Colorado Desert, [Whitewater] White Water Comment
  OBI7492  Ephedra californica H. E. McMinn 1937-3-5 4474 Riverside 5 I E of Banning Comment
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Feb 14 2013
  UCR12614  Ephedra californica J. Hollinger 1972-4-20 720420 4 Riverside San Bernardino mtns./Sonoran (Colorado) Desert, Whitewater River, 4.5 mi north of Hwy I-10 732 Comment
  IRVC8461  Ephedra fasciculata R. H. Whittaker, W. A. Niering Jun 1963 SJ 124 Riverside santa Rosa Mtns; Palms to Pines Hwy. Peninsular Ranges 915 Comment
  RSA0125288  Ephedra nevadensis Duncan S. Bell 2016-3-4 8793 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
  RSA383840  Ephedra nevadensis Erwin Miller 1934-4-28 18722 Riverside Top of divide near Key s View, Little San Bernardino Mountains 1555 Comment
  CAS-BOT-BC81861  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  RSA234109  Ephedra viridis Robert F. Thorne, R. Carolin 1967-3-21 41639 Riverside Joshua Tree National Monument: Cottonwood Springs 915 Comment
  SBBG51153  Ephedra viridis N. R. Zabriskie, W. Zabriskie 1974-3-30 696 Riverside S of jct with North Cyn, Andreas Cyn Comment
  SDSU3654  Ephedra viridis J. Godsil 1952-4-30 154 Riverside Palms-to-Pines Highway, on desert side 853 Comment
  CAS-BOT-BC171734  Epilobium canum subsp. latifolium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR39541  Epilobium ciliatum A. C. Sanders 1980-7-22 1724 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  GMDRC6579  Epilobium densiflorum J. M. Andre 2012-6-15 30541 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  UCR90616  Epilobium densiflorum Scott D. White 1995-6-29 3404 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  SD3266  Epilobium oregonense Fidella G. Woodcock 5/1920 Riverside Water tank in Tahquitz or Chino Canyon. Colorado Desert. Comment
  POM13250  Epilobium pygmaeum P. A. Munz 1922-5-19 5368 Riverside Menifee Valley. 427 Comment
  POM11158  Equisetum laevigatum Philip A. Munz 1922-6-23 5770 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  UCR123836  Equisetum laevigatum Steven R. Hill 2001-4-29 33531 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
  UCR92301  Eragrostis Scott D. White 1994-10-17 2493 Riverside SW Perris Basin, Temecula: Murrieta Creek channel directly west of Cherry Street. 320 Comment
  UCSB51372  Eragrostis cilianensis Roos, John 1965-7-7 Riverside San Jacinto Comment
  UC1100242  Eragrostis mexicana subsp. virescens Malcolm A. Nobs and S. Galen Smith 1948-9-3 487 Riverside 2 mi n Indio (Citrus grove); Imperial Valley Comment
  RSA129655  Eragrostis minor H. S. Yates 1937-6-28 21089 Riverside Palm Springs. 137 Comment
  CAS-BOT-BC203233  Eremalche rotundifolia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2156 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  CHSC8312  Eremothera boothii subsp. alyssoides Edward L. Smith 1958-3-21 375 Riverside Plant found 6 mi. of Rice, near Priests Well. Little Santa Maria Mtns. 365 Comment
  RSA0035483  Eriastrum densifolium subsp. austromontanum A. C. Sanders 2013-7-6 40851 Riverside SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  RSA0104872  Eriastrum densifolium subsp. austromontanum P. A. Munz, I. M. Johnston 1924-7-29 8837 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UCR35047  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-5-31 137 Riverside San Jacinto Mtns, Pinyon Flats 1220 Comment
  UCR59520  Eriastrum densifolium subsp. densifolium Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3610 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UC879943  Eriastrum diffusum subsp. coachellae Lewis S. Rose 1937-4-9 37104 Riverside Palm Springs. 137 Comment
  CAS-BOT-BC514450  Eriastrum eremicum subsp. eremicum Philip A. Munz; R. D. Harwood 1950-4-4 3526 Riverside Pass S of Palm Springs 152 Comment
  RSA0120671  Eriastrum harwoodii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 966 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UC1929491  Eriastrum sapphirinum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10506 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UCR235084  Eriastrum sapphirinum A. C. Sanders, John F. Green 2012-6-1 40229 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  RSA0122959  Eriastrum sapphirinum subsp. dasyanthum Ed LaRue 1989-5-4 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; At McViker Canyon. 488 Comment
  UCR204183  Eriastrum sapphirinum subsp. sapphirinum LeRoy Gross, Duncan Bell 2008-9-16 3581 Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  RSA0122971  Eriastrum sapphirinum subsp. sapphirinum R. S. Woglum 1927-10-20 1211 Riverside Santa Rosa Mountains. 1524 Comment
  UC1861747  Ericameria brachylepis Scott D. White 2004-10-8 10774 Riverside Peninsular Ranges: Black Hills southeast of Lake Skinner and north of Oak Mountain. 609 Comment
  RSA674530  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside North of Alvin Meadow near USFS Road 5S10 (Red Hill Rd) (Lk Fulmor/Blackburn Cyn. 1616 Comment
  SDSU3876  Ericameria linearifolia H. Wedberg 1962-4-20 919 Riverside About 1 mile SE of Pinyon Flat on road to Palm Springs, San Jacinto Mountains. 1219 Comment
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Oct 18 2011
  RSA0097940  Ericameria palmeri var. pachylepis Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18359 Riverside 2.3 km NNW of central Beaumont, 42 km ENE of central Riverside. 795 Comment
  RSA486463  Ericameria palmeri var. pachylepis Richard Noyes, L. Arnseth 1988-10-30 753 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA655081  Ericameria palmeri var. pachylepis Scott D. White 1999-10-7 7624 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  UC372841  Ericameria paniculata Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Springs 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
  UCR116031  Ericameria pinifolia G. R. Ballmer 1997-8-23 s.n. Riverside Jurupa Mtns, Colton Dunes, Declez 'Pass,' (= Pyrite Street pass through the mtns), south of Poplar Street in Fontana, c. 100 m south of the county line 335 Comment
  LA203163  Ericameria teretifolia Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Palms-to-Pines Highway Comment
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Feb 27 2014
  UC699656  Ericameria teretifolia Kay H. Beach 1942-10-23 1696 Riverside at a point about .5 mi n National Forest Boundary (.75 mi nw of highway, steep bank below Dos Palmas Spring); Dos Palmas Spring Comment
  SFV13146  Erigeron canadensis M. J. Thor 1982-9-16 131 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  RSA525419  Erigeron foliosus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4527 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR167305  Erigeron foliosus Scott D. White, Jennifer H. Jones 2005-5-24 11095 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR176184  Erigeron foliosus Amber Bruno 2005-6-7 51 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  CAS-BOT-BC296234  Erigeron foliosus var. foliosus H. A. Zuill 1966-6-5 188 Riverside 1-2 miles SW Murrieta Comment
  IRVC27397  Erigeron foliosus var. foliosus A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15776 Riverside N slope of the mtns: nameless tributary to Azalea Creek, ca. 1 mi. due S of the Twin Pines Ranch buildings. San Jacinto Mtns 1128 Comment
  CLARK-A1528-540  Eriodictyon crassifolium Fred B. Essig 1967-3-23 Riverside San Jacinto River Comment
  RSA658918  Eriodictyon crassifolium Bob Rogers 1984-4-14 7 Riverside Collected in the San Jacinto river-bed on the North side of Hwy 74, 0.6 miles past Cranston ranger station going east from Hemet towards Mountain Center. 610 Comment
  UC880702  Eriodictyon crassifolium I. W. Clokey and E. G. Anderson 1935-4-16 6834 Riverside e Hemet; e of Hemet 600 Comment
  CLARK-A1528-3617  Eriogonum apiculatum John C. Roos 1946-8-27 2925 Riverside Santa Rosa Mountains 2194 Comment
  CAS-BOT-BC242798  Eriogonum davidsonii Peter H. Raven; R. Snow 1957-7-26 11125 Riverside 1.8 mi. above Lake Fulmor, San Jacinto Mts. Comment
  JEPS56701  Eriogonum davidsonii W. L. Jepson 1903-8-4 2282 Riverside below Thomas Valley forks (trip to Spruce Canyon; Chalk Hill); San Jacinto Mts., Chalk Hill 1524 Comment
  SD241143  Eriogonum davidsonii A. C. Sanders 2008-7-25 35919 Riverside Peninsular Range: San Jacinto Mountains: east side of May Valley, NE of Bonita Vista Road at foot of hills (Idyllwild 7.5'Q) Comment
  UC2061658  Eriogonum elongatum var. elongatum Thomas Stoughton with E. Gardner, D. Bell 2010-11-12 717 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail, west of White Water Canyon, north of the junction of Highway I-10 and Rte 111. Comment
  RSA789366  Eriogonum fasciculatum Aaron C. Sedgwick, David Fraker 2012-3-28 42 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR159196  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Kelly Volansky 2005-8-31 31598 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  LA25970  Eriogonum fasciculatum var. polifolium H. Lewis; 1941-8-1 sn Riverside San Jacinto Mountains, Herkey Creek Camp Ground, near Keen Camp Comment
  RSA393340  Eriogonum fasciculatum var. polifolium H. de Forest, Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  CAS-BOT-BC257572  Eriogonum inflatum H. M. Hall 1901-6-1 2120 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  RSA393578  Eriogonum inflatum var. inflatum N. C. Cooper 1949-4-8 3264 Riverside Mecca Pass east of Indio. 610 Comment
  JOTR32479  Eriogonum nidularium Herskovits, Tasya 2011-5-25 15 Riverside Joshua Tree National Park. Cottonwood Mountains; Pinto Basin road; Convergence of large, sandy, open southeast flowing wash and Cottonwood Canyon; Small rocky ledges and outcrops bordering wash (Stop 1) Comment
  LA206953  Eriogonum nudum var. pauciflorum H. Lewis; 1939-10-21 1014 Riverside San Jacinto Mountains, Taquites Peak 2133 Comment
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Mar 2 2014
  UCR106334  Eriogonum nudum var. pauciflorum John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  PASA1490  Eriogonum pusillum Margaret Stason 1928-3-3 Riverside Near Whitewater Comment
  RSA777761  Eriogonum reniforme Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1082 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  RSA757616  Eriogonum saxatile LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4342 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
  CAS-BOT-BC263547  Eriogonum thomasii John Thomas Howell 1931-6-5 6653 Riverside 1 mile east of Whitewater Comment
  JOTR28938  Eriogonum thomasii La Doux, Tasha 2005-3-30 1174 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA314676  Eriogonum thomasii Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55503 Riverside San Bernardino Mountains -- on south end of ridge at mouth of Whitewater Canyon, east of bridge, about 3.3 miles north of Whitewater Post Office. 427 Comment
  RSA517917  Eriogonum thomasii Steve Boyd, Thomas S. Eliaws, Erika Winter 1986-2-18 1336 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  RSA519021  Eriogonum thomasii George K. Helmkamp 1986-4-7 761 Riverside South of Morongo Valley: First canyon east of and parallel to Hwy 62 north of Indian Ave. B.M. land. 579 Comment
  RSA550279  Eriogonum thomasii Walter Wisura, J. Dolan, M. Wall 1992-3-24 4617 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  RSA747793  Eriogonum thomasii Scott D. White, Justin M. Wood 2009-3-24 12570 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
  SBBG81367  Eriogonum thomasii S. A. Junak 1983-3-23 1635 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR263646  Eriogonum thomasii Aaron C. Sedgwick, Brett Griffin 2012-3-28 034 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  SD225077  Eriogonum thurberi G. K. Helmkamp 1998-4-3 3075 Riverside Snow Creek area N of Mt. San Jacinto; at edge of stream S of Snow Creek Rd at a point 1.4 mi. S of CA Hwy 111 395 Comment
  CAS-BOT-BC264922  Eriogonum wrightii var. membranaceum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA125206  Eriogonum wrightii var. membranaceum E. K. Balls, Percy C. Everett 1957-8-20 22674 Riverside Hamilton Grade along rd. from Palms to Pines Hwy to Aguanga. 1463 Comment
  CAS-BOT-BC261788  Eriogonum wrightii var. nodosum Lewis S. Rose 1935-12-23 35696 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. S. of Cathedral City 914 Comment
  UC1080584  Eriogonum wrightii var. nodosum E. K. Balls and P. C. Everett 1957-11-13 22799 Riverside Snow Creek, n side of valley Snow Creek 701 Comment
  VVC1351  Eriogonum wrightii var. nodosum A. C. Sanders, J. Mac 1996-11-23 19658 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  RSA94418  Eriophyllum ambiguum var. paleaceum F. W. Peirson 1920-2-16 1387 Riverside Murray Canyon, Palm Springs region. 274 Comment
  RSA124433  Eriophyllum confertiflorum Percy C. Everett 1958-5-4 23081 Riverside Morongo Pass, 7.6 mi. N along road to 29 Palms from U.S. Hwy 60/70. 671 Comment
  RSA32412  Eriophyllum confertiflorum Norman C. Cooper 1944-7-15 1601 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 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
  UCR268283  Eriophyllum confertiflorum var. confertiflorum Jim Andre 2012-6-15 30509 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UCR51771  Eriophyllum confertiflorum var. trifidum I. W. Clokey 1935-4-18 6949 Riverside Gavilan Peak 600 Comment
  CAS-BOT-BC301798  Eriophyllum multicaule Steve Boyd 1986-4-2 1638 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  SBBG53760  Eriophyllum multicaule S. Boyd 1980-4-8 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UC891163  Eriophyllum multicaule Marcus E. Jones, A. M. 1882-4-25 3173 Riverside San Jacinto Comment
  POM358159  Eriophyllum wallacei Norman C. Cooper 1944-3-25 1022 Riverside Morongo Pass. 457 Comment
  RSA0035938  Eriophyllum wallacei Deidre Conocchioli, Duncan S. Bell 2014-3-4 151 A Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA80985  Eriophyllum wallacei G. R. Campbell 1952-4-5 18371 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCSB9755  Eriophyllum wallacei Haller, John 1957-3-23 Riverside Morongo wash, ca. 4.5 road miles N. of U.S. 99, and 3 air miles S. of Riverside-San Bernardino co. line 609 Comment
  RSA574730  Erodium macrophyllum Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills region, flats at the north base of the range, south of Lake Mathews, south of Cajalco Road. 457 Comment
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Dec 28 2009
  UC1536994  Erodium moschatum Gordon H. True 1935-3-11 69 Riverside Box Springs Sycamore Canyon 365 Comment
  UCR158513  Erodium moschatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30025 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
  UCR249924  Erodium trifolium A. C. Sanders, Steve Boyd 2009-4-9 36793 Riverside Riverside, Beechwood Place between Brockton Ave. and Palm Ave. 252 Comment
  SBBG54326  Eryngium aristulatum var. parishii C. Davidson 1977-5-25 5653 Riverside Mesa de Burro, Santa Rosa Plateau 701 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
  SEINET13754614  Erythranthe diffusa B. Ertter, J. Strachan 1979-1 2975 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. Comment
  RSA0020250  Erythranthe floribunda Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2121 Riverside Santa Rosa Mountains. Comment
  RSA0015894  Erythranthe parishii Scott D. White, Justin M. Wood 2008-7-8 12404 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  GMDRC5487  Eschscholzia androuxii J. Andre 2012-4-16 20884 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  UCD96492  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 252 Riverside California. Riverside County: Joshua Tree National Park. 835 Comment
  RSA0022935  Eschscholzia androuxii Robert F. Thorne 1973-3-30 42661 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA0023134  Eschscholzia androuxii Henry J. Ramsey, Henry J. Ramsey 1937-2-26 887 Riverside Whitewater. 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
  RSA678285  Eschscholzia californica subsp. californica Michael Wall 2003-5-24 295 Riverside Northeast of Skinner Reservoir, off Rawson Rd. at jct with Hidden Falls Rd., 2.5 miles from jct. with Washington Ave. off Winchester Rd. 553 Comment
  RSA69367  Eschscholzia californica var. peninsularis G. R. Campbell 1951-5-30 16140 Riverside just west of Cahuilla. 1067 Comment
  RSA680918  Eschscholzia glyptosperma Scott D. White, Michael Honer 2003-5-14 9276 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  LA46247  Eschscholzia minutiflora F. R. Fosberg; 1932-3-13 8070 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA0023128  Eschscholzia papastillii M. Wall 2008-4-26 453 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  RSA0118598  Eschscholzia papastillii Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7642 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  GMDRC9806  Eschscholzia parishii J. M. Andre 2017-3-1 38025 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  OBI32596  Eschscholzia parishii A. C. Sanders 1983-4-24 3797 Riverside Alluvial fan at the NW end of the Orocopia Mts along hwy 195, +/- 3 mi NE of Shavers Well and 2.7 mi NE of the point where the rd enters Box Cyn 366 Comment
  RSA445442  Eschscholzia parishii E. C. Jaeger 1922-3-27 708 Riverside Colorado Desert. Box Canon, near Mecca. 91 Comment
  SEINET10871889  Eschscholzia parishii Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7466 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s. R10e. Sec 35. Common in wash. 244 Comment
  RSA678425  Eucrypta chrysanthemifolia var. chrysanthemifolia Michael Wall 2003-4-15 269 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  JEPS1700  Eucrypta micrantha L. M. Newlon 1933-4-4 453 Riverside Palm Canyon; San Jacinto Mts. Comment
  SEINET3409352  Eucrypta micrantha G. Rink, T. Thomas 2013-3-30 11921 Riverside About 3 miles east of Desert Center 210 Comment
  SEINET6060470  Euonymus occidentalis Scott D. White 1919-1-6 6946 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  SEINET8043500 Image available Euphorbia eriantha Duncan S. Bell, Evan Meyer 2014-1 6517 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR264217  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-9-10 41864 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  RSA0043053  Euphorbia jaegeri Duncan S. Bell, Evan Meyer 2014-4-1 6482 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of the range; approximately 3.3 air miles northwest of Gucci Spring; about 4 air miles north of the Bradshaw Trail. 698 Comment
  UCR274183  Euphorbia maculata Dick Newell, Judy Booth 2015-10-25 416 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.62 miles SSE of Hacienda Rd., 0.68 mile NW of Elsinore Peak 932 Comment
  UCD142436  Euphorbia misera Robert F. Thorne; Drs. Fosberg, Sachet, and Herbst 1983-4-23 55410 Riverside San Bernardino Mts; Mouth of Whitewater Canyon, east of Whitewater Post Office. 426 Comment
  JEPS51905  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1302 Riverside Strawberry Valley; Mt. San Jacinto Comment
  JEPS73679  Euphorbia palmeri C. V. Meyer June 1927 200 Riverside Saunder's Meadow San Jacinto Mt.; , Saunder's Meadow Comment
  UCR120563  Euphorbia polycarpa Helen Kennedy, T. B. Salvato 2002-2-2 5448 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  OBI14408  Euphorbia polycarpa var. hirtella Lewis S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  UCR145475  Euphorbia prostrata L. C. Wheeler 1965-6-27 8691 Riverside Corona; Overholtzer's Grove 335 Comment
  RSA659663  Euphorbia setiloba J. C. Roos 1947-11-1 3756 Riverside On the edge of Lost Palms wash, Eagle Mtns. Comment
  UCR5297  Euphorbia setiloba O. F. Clarke 1966-10-5 661005- 04 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  UCR108345  Eustoma exaltatum L. C. Wheeler 1952-12-15 7025 Riverside Sonoran (Colorado) Desert, Riverside Mountains, shore of Alligator Slough of the Colorado River; [near] Mountaineer Mine, north of Johnson's Camp Comment
  JEPS43394  Fagonia laevis Dr. L. M. Newlon 1922-4-4 456 Riverside Palm Canyon; San Jacinto Mts. Comment
  UCR52013  Fagonia laevis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2203 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  JEPS43399  Fagonia pachyacantha E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  OBI53020  Fagonia pachyacantha Kathleen Keil 1993-3-27 s.n. Riverside 18 mi W of Chiriaco Summit along I-10 Comment
  RSA439066  Ferocactus cylindraceus H. de Forest 1924-4-15 s.n. Riverside Near Whitewater Highway. Palm Springs Road. Comment
  UCR31849  Festuca californica E. W. Lathrop 1966-5-26 6333 Riverside Santa Ana Mtns., Cleveland National Forest, Main Divide Truck Trail between El Carriso & Santiago Peak 1220 Comment
  SBBG103914  Festuca microstachys var. microstachys S. D. White 1993-4-20 1216 a Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  UCR104078  Festuca myuros A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20653 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
  UCR91442  Festuca myuros Scott D. White 1995-3-30 2630 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  RSA751920  Ficus carica Scott D. White, Justin M. Wood 2009-5-22 12924 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 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
  RSA501077  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3195 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA525316  Filago californica Steve Boyd, David E. Bramlet 1990-4-29 4470 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA543788  Filago californica Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6045 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA500099C  Filago gallica Steve Boyd, Tim Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR156088  Filago gallica T. B. Salvato, Kent Beaman 2005-5-16 798 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
  UCR174313  Filago gallica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32652 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
  NY43039  Forestiera pubescens J. B. Walker 1995-4-4 1310 Riverside San Bernardino National Forest, Santa Rosa Mtn truck trail, 4km S of Hwy 74 1600 Comment
  RSA502199  Forestiera pubescens Steve Boyd, Tim Ross, L. Arnseth 1989-6-11 3706 b Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
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Oct 23 2017
  UCR11339  Fouquieria splendens John M. Spencer 1971-4-16 s.n. Riverside Sonoran (Colorado) Desert, outside S entrance to Joshua Tree National Monument [now Park] Comment
  JEPS46442  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point, Blythe intake Comment
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Jun 8 2012
  RSA0018454  Frangula californica subsp. cuspidata D. Charlton 1988-5-21 1974 Riverside Thomas Mountain Road, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74. 1829 Comment
  CAS-BOT-BC223695  Frankenia salina J. C. Roos 1965-6-30 s.n. Riverside Perris Comment
  SEINET5924772 Image available Franseria dumosa L. C. Higgins 1974-1 8489 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  RSA701116  Fraxinus dipetala M. Wall 1996-7-22 180 Riverside S. of Beaumont, Hwy 79, E side of Fwy 10. Comment
  SEINET6694603 Image available Fraxinus dipetala F. A. Thackery 1927-1 298 Riverside Banning Comment
  CAS-BOT-BC211017  Fraxinus velutina A. C. Sanders; J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 915 Comment
  UC217971  Fraxinus velutina P. A. Munz and I. M. Johnston 1922-5-7 5279 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  UCR132721  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11133 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA3963  Funastrum cynanchoides var. hartwegii C. B. Wolf 1932-4-29 3102 Riverside mesas at Western edge of Maria Mts., eastern Colorado Desert, 20 mi. from Blythe on Rice road. 152 Comment
  HSC87133  Funastrum hirtellum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2099 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA0124372  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2016-3-31 9194 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  RSA458582  Funastrum hirtellum T. S. Clare 1930-4-13 s.n. Riverside Thousand Palms. Colorado desert. Comment
  RSA751513  Funastrum hirtellum J. Andre, T. La Doux 2008-9-13 10263 Riverside Cuckwalla Valley: Along Hwy 177 (NW side), SE end of Coxcomb Mts. E boundary of Joshua Tree National Park 161 Comment
  SEINET10496384  Funastrum hirtellum David B. Dunn Dunn 11874 Riverside Collected at Pushawalla Canyon on hills Comment
  POM172216  Galium andrewsii subsp. andrewsii M. French Gilman 1928-5-27 1155 Riverside Banning. Comment
  SDSU9314  Galium angustifolium S. J. Barnhart 1966-4-24 660424 -5 Riverside 0.1 mile E of McAliister Street along the Metropolitan Water Co. Uitility Rd. (dirt), which is 1.5 mile SE of the intersection of McAliister Street and Victoria Avenue. 457 Comment
  UCR114752  Galium angustifolium Scott D. White, D. E. Bramlet 1999-5-19 7369 Riverside Lake Skinner area, Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 762 Comment
  JEPS7849  Galium angustifolium subsp. angustifolium Marjorie D. Clary 1932-7-4 983 Riverside 10 mi se Kenworthy (near springs in canyon); Santa Rosa Mts. 1371 Comment
  POM12926  Galium angustifolium subsp. angustifolium Philip A. Munz 1922-6-27 5858 Riverside Santa Rosa, Santa Rosa Mts. 2012 Comment
  RSA612596  Galium angustifolium subsp. angustifolium C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Between Pine Flat Camp and Fuller's Mill. Comment
  RSA263735  Galium aparine E. W. Lathrop 1968-5-22 6918 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA586143  Galium aparine D. L. Banks, Steve D. Boyd 1995-3-16 105 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  UCD121711  Galium aparine E. W. Lathrop 1982-8-5 s.n. Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland Nat'l Forest, Trabuco District. 274 Comment
  UCR121342  Galium aparine A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25037 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR23492  Galium hilendiae subsp. hilendiae John C. Roos 1943-5-23 2675 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  JEPS9394  Galium parishii A. W. Anthony 1895-7-12 Riverside San Jacinto Mts. 2529 Comment
  UC1375443  Galium parishii C. W. Tilforth 1970-9-2 303 Riverside along road to Santa Rosa Mtn. Comment
  UCR116473  Galium parisiense A. C. Sanders, T. B. Salvato 2001-5-25 24373 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  POM4410  Galium stellatum I. M. Johnston 1917-4-4 1038 (9) Riverside Colorado Desert: Palm Canyon. 305 Comment
  RSA358587  Garrya flavescens Larry E. DeBuhr 1972-3-24 530 Riverside Santa Rosa Mts. San Bernardino National Forest. Along forest road 7S02 2195 Comment
  UCR209592  Garrya flavescens 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
  CLARK-A1528-534  Garrya flavescens subsp. pallida C. M. Flanagan 1973-5-31 OO 643 Riverside Morongo Indian Reservation 975 Comment
  RSA444788  Garrya flavescens var. pallida J. C. Roos 1966-4-23 s.n. Riverside Skyline Drive, Santa Ana Mtns., above Corona. Comment
  POM145509  Gastridium phleoides J. B. Feudge 1927-5-19 1607 Riverside Menifee Valley 412 Comment
  CDA5433  Geraea canescens T. C. Fuller 1961-1-1 5495 Riverside Frontage road, Thousand Palms. 0 Comment
  POM289783  Geraea canescens Lyman Benson 1933-3-31 4193 Riverside Salton Sea-Imperial Co. line. 61 Comment
  POM358661  Geraea canescens A. M. Johnson 1932-3-20 3902 Riverside Sand dunes, Indian Wells. Comment
  SBBG34736  Geraea canescens T. L. Secrest 1950-3-13 Riverside near Indio Comment
  SEINET10726153  Geraea canescens David B. Dunn 1946-2-23 Dunn 1962 Riverside Collected in mud flats dry and caked and split. All American Canal catch basin from desert washes. Orocopia Mts. northeast of the Salton Sea. Very arid country. Comment
  UCR174525  Geranium A. C. Sanders, T. B. Salvato 2006-5-4 32246 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
  RSA0028449  Geranium dissectum Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55224 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  RSA0112635  Gilia Andrew C. Sanders 1985-5-4 5778 Riverside Santa Rosa Mtns: Hwy 74 at Santa Rosa Mountain Rd. 1402 Comment
  UCR139152  Gilia S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  SEINET7063436  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on the East Benton Road. Tucalota Hills. UTM Zone 11, 499122mE, 3715547mN. (WGS84/NAD83). 514 Comment
  JEPS69454  Gilia angelensis W. L. Jepson 1939-4-17 19131 Riverside Twin Sprs. , Twin Sprs. (Temescal Canyon) Comment
  RSA0009855  Gilia angelensis Marcus E. Jones 1903-5-11 10281 Riverside Banning. 701 Comment
  SDSU12911  Gilia angelensis Jutta Buschbom 1991-6-3 44 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
  UC1178638  Gilia angelensis Peter Kamb 1948-5-2 929 Riverside above Banning (n slope of the San Jacinto Mts.); San Jacinto Mts. 1066 Comment
  UCR167533  Gilia angelensis Scott D. White 2005-3-29 10833 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR21971  Gilia angelensis Steve Boyd 1980-5-2 161 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA0036700  Gilia angelensis R. F. Thorne 1973-5-23 43863 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA470272  Gilia capitata subsp. abrotanifolia Jean Carnine 1932-2-28 s.n. Riverside Santa Ana River Comment
  UCR121233  Gilia capitata subsp. abrotanifolia Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2261 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA72315  Gilia diegensis F. W. Peirson 1922-5-21 4137 Riverside Along east side of Hemet Valley 1357 Comment
  UCR259197  Gilia diegensis Mitch Provance, Jeremiah George 2012-4-24 412- 02 Riverside San Gorgonio Pass, Smith Creek SW of Banning, west of the west end of Bobcat Rd. 734 Comment
  RSA676114  Gilia latifolia Scott D. White 2001-5-4 8448 Riverside Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio. Also adjacent sections 26, 25, 36. 61 Comment
  UC1595756  Gilia latifolia W. Wisura, J. Dolan, M. Wall 1992-3-24 4625 Riverside on Box Canyon Rd. 7.7 mi ne Mecca; ne of Mecca Comment
  UCR165818  Gilia latifolia John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  CAS-BOT-BC516256  Gilia maculata R. Patterson; M. Bourell 1994-3-28 1970 Riverside Joshua Tree National Monument; Pinto Basic Rd, ca. 5 mi S of jct with Utah Trail (road to Twenty Nine Palms 1000 Comment
  JEPS26556  Gilia maculata Peter Kamb 1948-4-11 888 Riverside Aqueduct Road 5 mi e Garnet (Coachella Valley); , e of Garnet 304 Comment
  CAS-BOT-BC407604  Gilia ochroleuca subsp. exilis Marcus E. Jones 1926-6-21 s.n. Riverside 20 miles N of Idylwild Comment
  RSA776239  Gilia scopulorum Duncan S. Bell 2010-3-20 600 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA771780  Gilia sinuata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5034 -c 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
  RSA470045  Gilia stellata Robert Gustafson 1983-3-27 2490 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  RSA67047  Gilia stellata Verne Grant, Alva Grant 1951-4-7 15986 Riverside Below Morongo Valley on road to White Water 732 Comment
  UC1595789  Gilia stellata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4637 Riverside 15.4 mi ne Mecca (Bajadas above Box Canyon, Lowdesert) Comment
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May 29 2011
  UCR1643  Gilia stellata William G. Truesdell 1962-3-25 32562- 3 Riverside San Bernardino Mtns./Western Colorado Desert, Whitewater Canyon, 1 mile from Hwy 60 457 Comment
  UCSB52568  Gilia stellata Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot; Chino Canyon; Whittaker transect #W-217 570 Comment
  RSA614468  Githopsis diffusa subsp. candida D. L. Banks 1997-4-5 1707 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  CLARK-A1528-4675  Glyceria elata John C. Roos 1941-8-2 85 Riverside San Jacinto Mountains Comment
  RSA91958  Glyceria striata F. W. Peirson 1924-7-27 4985 Riverside Along creek in Dark Canyon, 1829 Comment
  RSA595704  Glycyrrhiza lepidota R. E. Riefner 1996-8-27 96 -152 Riverside North ca. 0.5 miles from Cajalco road., W side of Temescal Wash Comment
  RSA519248  Gnaphalium californicum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  UCR140713  Gnaphalium californicum A. C. Sanders 2004-5-11 27841 Riverside Elsinore Basin Region, Alberhill Mountain, former clay mine area c. 1 mile SE of Alberhill 439 Comment
  POM11935  Gnaphalium chilense Mary F. Spencer 1921-5-28 1640 Riverside Near San Jacinto 549 Comment
  UCR41395  Gnaphalium luteoalbum N. M. Fellows, A. C. Sanders 1985-5-7 182 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR91735  Gnaphalium luteoalbum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18105 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA535469  Gnaphalium microcephalum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6644 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  RSA583611  Gnaphalium microcephalum Steve Boyd, Darin Banks 1995-3-30 8406 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  SEINET11841383  Gutierrezia californica O. F. Clarke 1970-1 s.n. Riverside Botanic Gardens of the University of California, Riverside Comment
  UC1213974  Gutierrezia microcephala Otto T. Solbrig 1958-8-1 2807 Riverside Morongo Valley Riverside/San Bernardino County line; data in packet says It grows in the canyons and more rocky places. Not in low elevations. Comment
  CAS-BOT-BC302142  Gutierrezia sarothrae Meredith A. Lane 1982-10-13 3026 Riverside 19.3 KM (12 mi) E of Kern Camp Summit on California State Highway 74 in the San Jacinto Mountains at Hurkey Creek Picnic Area 1341 Comment
  HSC84154  Gutierrezia sarothrae B. Pitzer, Jack Easton 1987-3-10 387 Riverside Anza area, hills S of Thomas Mtn., ca. 3 mi. E of town of Anza on N side of Hwy. 371 1341 Comment
  RSA500143  Gutierrezia sarothrae Steve Boyd, L. Arnseth 1989-6-4 3653 Riverside Vail Lake area, W base of hills between Temecula and Wilson Creeks. 488 Comment
  CLARK-A1528-229  Haplopappus acradenius subsp. eremophilus John C. Roos 1969-11-10 Riverside Whitewater Comment
  SEINET3242787 Image available Harpagonella palmeri Steve Boyd 1986-1 1589 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. 610 Comment
  RSA605757  Helianthus annuus subsp. lenticularis Scott D. White 1996-3-16 3828 Riverside Lakeview Mountains: N of Winchester, at Maze Stone Picnic Area. Coarse alluvium and adjacent granitic hillside, SE- facing slope 579 Comment
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Mar 20 2011
  UC284802  Helianthus gracilentus P. A. Munz 1923-6-14 7060 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mtns. 1219 Comment
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Apr 1 2013
  SDSU14076  Heliotropium curassavicum Joel Tracey 2002-4-20 9 Riverside Santa Margarita Ecological Reserve, 0.1 mile east from parking area intersecting Santa Margarita River and Northside Field Station road, rock wall 20 feet north of river. 253 Comment
  SEINET13297608 Image available Heliotropium curassavicum Mitch Provance 2013-1 613 -27 Riverside San Bernardino Valley: Riverside, Arlington area, S side of Challen Avenue, near intersection with Curran Dr. (Riverside West 7.5' Q.) 238 Comment
  UCR272481  Heliotropium curassavicum Mitch Provance 2013-6-18 613- 27 Riverside San Bernardino Valley, Riverside, Arlington area, S side of Challen Avenue, near intersection with Curran Dr. 238 Comment
  RSA356648  Heliotropium curassavicum var. oculatum R. F. Thorne 1975-8-29 47310 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  UCR116670  Hemizonia kelloggii A. C. Sanders, Carolyn Washburn 2001-5-10 24242 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR137042  Hemizonia kelloggii A. C. Sanders 2004-5-5 27786 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  CAS-BOT-BC140532  Hemizonia paniculata A. C. Sanders; T. B. Salvato 2003-5-21 26787 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. & SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA655231  Hemizonia paniculata Scott D. White 1999-11-12 7632 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 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
  UCR267879  Hemizonia paniculata D. E. Bramlet 2005-4-19 3820 A Riverside Hills west of Hemet-Ryan Airport, west of California Ave., south of Hwy 74, north of Stowe Rd. 599 Comment
  UCR202221  Hemizonia pungens subsp. laevis Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR62384  Hemizonia pungens subsp. laevis Don Mitchell 1990-6-1 s.n. Riverside 1.5 mi west of Lakeview, on south side of Ramona Expressway, c. 200 yards west of the San Jacinto River Comment
  UCR68044  Hemizonia pungens subsp. pungens D. E. Bramlet 1990-7-20 2048 Riverside Perris Valley Storm Drain, 200 m east of the Escondido Freeway (Hwy I-125), and 350 m north of Ellis Ave 470 Comment
  GMDRC4153  Hesperocallis undulata J. Andre, T. La Doux 2010-2-28 12546 Riverside Lower Colorado River Valley: along Hwy 95 approx 20 mi. south of Vidal Junction, at southeast corner of Riverside Mountains 145 Comment
  SD181315  Hesperocnide tenella Scott D. White, Tasha LaDoux 2000-4-20 7684 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills 609 Comment
  UCR79491  Hesperocnide tenella Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7359 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  UCR90403  Hesperocnide tenella D. L. Banks, Steve Boyd 1995-5-9 0421 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  RSA192018  Hesperolinon micranthum E. W. Lathrop 1965-5-30 5775 A Riverside 6 miles W of Murrieta. Comment
  UC29095  Heterocodon rariflorum H. M. Hall Jul 1901 Riverside Fuller's Mills Mountains; San Jacinto Mountains 1584 Comment
  RSA0074449  Heterotheca fastigiata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, et. al. 2010-4-12 4534 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 525 Comment
  RSA0075895  Heterotheca grandiflora E. W. Lathrop 1966-3-2 6045 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails. 878 Comment
  LA208990  Heuchera caespitosa M. Hilend; 1928-8-7 Riverside Summit- San Jacinto Peak Comment
  UC489217  Heuchera hirsutissima C. V. Meyer 1928-7-27 551 Riverside San Jacinto Peak 3291 Comment
  UCR277611  Hibiscus denudatus Aaron C. Sedgwick, Joella Adkins 2012-10-24 145 Riverside Sonoran (Colorado) Desert, Graham Pass Rd. in the Chuckwalla Mtns., c. 1 mile north of Graham Pass 421 Comment
  JEPS54859  Hoffmannseggia glauca W. L. Jepson 1912-11-1 5265 Riverside Blythe; Palo Verde Valley 45 Comment
  UC864216  Hoffmannseggia glauca J. Francis Macbride and Francis Drouet 1941-10-14 4470 Riverside just w Desert Center 274 Comment
  CAS-BOT-BC207552  Hoffmannseggia microphylla Roxana S. Ferris; R. Bacigalupi 1932-4-30 8243 Riverside in canyon between Shaver's Well and Mecca Comment
  LA45806  Hoffmannseggia microphylla A. M. Johnson; 1933-4-28 4216 Riverside Indian Wells, highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  SD258923  Hoffmannseggia microphylla Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7652 Riverside Mecca Hills; Side Canyon along Painted Canyon Road, NE of Mecca, NW of Box Canyon 170 Comment
  UCSB11231  Hoffmannseggia microphylla Breedlove, Dennis 1961-9-11 Riverside Along roadside of U.S. 60-70, 8 mi. E of Indio 289 Comment
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Mar 29 2014
  UCD84847  Holcus lanatus A. A. Beetle 1946-6-10 4399 Riverside In San Jacinto Mountains, near Idylewilde. 1219 Comment
  UCR133950  Holocarpha virgata subsp. elongata John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  UCR189805  Hordeum intercedens Theresa Johnson 2007-3-27 314 Riverside San Jacinto Valley, San Jacinto Wildlife Area east of Davis Road, on southern edge of self-guided tour's 'Marsh A 433 Comment
  UCR269907  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3661 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  SD224800  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones & D. Malueg 1996-4-20 18061 Riverside San Jacinto River between Nuevo and Lakeview, from 11th to 13th streets, alkaline flats along the E side of the river channel. 433 Comment
  UCR229273  Hordeum murinum Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  SEINET3417769 Image available Hordeum murinum subsp. glaucum A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16136 Riverside Sonoran (Colorado) Desert; mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point & I-10, Coachella Valley 329 Comment
  SDSU17483  Hordeum murinum subsp. leporinum Jerry Jenkins 2001-3-30 2001 -003 Riverside Santa Margarita Ecological Reserve. Edge of driveway. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  RSA0018955  Horkelia clevelandii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 692 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA633327  Horkelia clevelandii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38078 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  SBBG72539  Horkelia clevelandii R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  UCR256883  Horkelia clevelandii G. D. Wallace 2003-7-8 4050 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  SBBG68137  Hosackia oblongifolia var. oblongifolia R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  POM360713  Hulsea vestita subsp. callicarpha Anstruther Davidson 1891-1 2032 Riverside [Idylwild] Idyllwild Comment
  RSA34537  Hulsea vestita subsp. callicarpha N. C. Cooper 1944-5-20 1254 Riverside Palms to Pines Hwy. San Jacinto Mts. 1432 Comment
  RSA797248  Hulsea vestita subsp. callicarpha R. F. Thorne, Walter Wisura 1977-9-17 50786 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  SD51949  Hulsea vestita subsp. callicarpha Reid Moran 1962-7-7 9870 Riverside Strawberry Creek, 2 miles southwest of Idyllwild, San Jacinto Mountains 1550 Comment
  UCR201643  Hulsea vestita subsp. callicarpha Scott D. White, Justin M. Wood 2008-6-16 12150 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA346259  Hymenoclea salsola R. F. Thorne 1980-4-16 54051 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA0048442  Hymenoclea salsola A. Lee Haines 1973-3-24 s.n. Riverside Whitewater River Canyon. 426 Comment
  RSA777819  Hymenoclea salsola var. pentalepis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 848 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  JOTR30090  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  POM13383  Hymenolobus procumbens E. C. Jaeger 1921-4-5 124 Riverside Murray Canyon. Comment
  RSA191410  Hypericum formosum var. scouleri E. W. Lathrop, R. F. Thorne 1967-9-26 6620 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  CAS-BOT-BC219732  Hyptis emoryi Peter H. Raven 1958-1-24 11444 Riverside Fargo Canyon Comment
  RSA5174  Hyptis emoryi Carl B. Wolf 1932-4-26 2984 Riverside Colorado Desert, 8 miles east of Mecca on Blythe road 91 Comment
  SEINET13948496 Image available Hyptis emoryi Leila M. Shultz, John S. Shultz 1985-1 8352 Riverside SE benches of Chuckawalla Mountains at Alligator Rock; T5S R15E SEC33; 33 deg. 41' N, 115 deg. 25' W; elev 1120 ft 341 Comment
  POM9331  Hyptis emoryi Mary F. Spencer 1918-4-5 832 Riverside [Palm?] Canyon. Comment
  RSA683230  Isocoma menziesii Scott D. White 2003-12-1 9893 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR250111  Isocoma menziesii A. C. Sanders 2014-4-9 41004 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  RSA655226  Isocoma menziesii var. menziesii Scott D. White 1999-10-7 7623 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA336178  Isoetes howellii R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51966 Riverside Santa Rosa Plateau: Mesa de Colorado 609 Comment
  RSA697316  Isomeris arborea Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon Comment
  UC917897  Isomeris arborea Frank W. Gould 1944-4-5 2237 Riverside 18 mi e Temecula (near road junction) Comment
  RSA0077522  Isomeris arborea var. angustata G. Wallace 1964-4-26 s.n. Riverside Palm Springs area. Comment
  UCR179767  Iva axillaris subsp. robustior R. E. Riefner Jr. 2005-8-28 05- 647 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
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May 11 2009
  UCR222647  Juglans hindsii R. E. Riefner Jr., Kurt Campbell 2007-5-19 07- 211 Riverside Peninsular Range, Temecula, Temecula Canyon, Santa Margarita River, [to] c. 1.5 miles west of I-15 Fwy 290 Comment
  CAS-BOT-BC110070  Juncus acutus W. R. Dudley 1903-12-29 612 Riverside Palm Gulch - Palm Springs. Comment
  UCR109646  Juncus balticus T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  JOTR00976  Juncus bufonius var. bufonius Cole, James E. 1941-6-9 859 Riverside Joshua Tree National Park. PEARL SPRING 1371 Comment
  UC146450  Juncus duranii Charlotte M. Wilder 1909-7-12 924 Riverside head of Round Valley San Jacinto Mts. Comment
  SEINET3879985  Juncus luciensis Robert F. Thorne, Earl Lathrop 1975-5-20 45498 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro.; 0 610 Comment
  RSA502194  Juncus mexicanus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3702 Riverside Vail Lake area: Wilson Creek at E end of lake. Comment
  SDSU11812  Juncus mexicanus H. Wedberg 1962-7-28 994 Riverside In Hemet Meadow, about 1 mile S from Herkey Creek Publ. Campgr. on the road to Santa Rosa Summit, San Jacinto Mts. 1372 Comment
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Jan 24 2013
  UCR24952  Juncus oxymeris A. C. Sanders 1980-7-18 1669 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  POM158189  Juncus rugulosus Phillip A. Munz, I. M. Johnston 1928-9-6 11274 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA0125122  Juncus rugulosus Duncan S. Bell 2016-10-27 10211 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  SEINET1908445  Juncus rugulosus A. C. Sanders, Mitch Provance 2008-1 35777 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
  POM14114  Juncus saximontanus Phillip A. Munz 1922-6-30 5902 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA368388  Juncus xiphioides L. C. Wheeler 1933-12-2 2320 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  UCR244381  Juniperus californica Jim Andre 2012-4-16 20952 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  UCR89980  Juniperus californica Scott D. White, S. J. Myers 1995-10-21 3722 Riverside San Jacinto Valley, Eastern foothills of San Jacinto Valley,'Santa Rosa Hills', south of Hemet. Foothills just above orange grove. 610 Comment
  CAS-BOT-BC234566  Justicia californica E. A. Blondin 1944-4-8 s.n. Riverside Tahquitz Canyon Comment
  CAS-BOT-BC234600  Justicia californica L. R. Abrams 1926-3-26 11063 Riverside Palm Springs to Palm Canyon Comment
  RSA0092849  Justicia californica Jim M. Andre 2012-4-11 20816 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA402304  Justicia californica Christopher Davidson 1973-4-1 1846 Riverside Palm Springs. 488 Comment
  RSA780234  Kallstroemia californica Stephanie Rockwood, Christi Gabriel 2011-10-13 116 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  RSA278537  Keckiella antirrhinoides T. C. Emmel 1965-3-21 27 Riverside White Water Canyon. 0.6 mi. below Trout Farm) Comment
  SDSU10661  Keckiella antirrhinoides H. Wedberg 1962-4-20 899 Riverside 8.4 miles from Hwy 79 in Hemet, and 0.5 mile from Cranston ranger Station , on road to Idyllwild. 610 Comment
  UCR270318  Keckiella antirrhinoides T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8340 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  CAS-BOT-BC236715  Keckiella antirrhinoides subsp. antirrhinoides Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  RSA0092491  Keckiella antirrhinoides subsp. microphylla Mark E. Fishbein, Victor Steinmann, Ivonne Steinmann, Mark Porter, Stephen Dreher 1999-12-4 4104 Riverside Santa Rosa Mountains, Deep Canyon, just east of California 74. 823 Comment
  RSA400463  Keckiella rothrockii subsp. jacintensis M. B. Dunkle 1933-7-19 3686 Riverside Tahquitz Ridge. 2561 Comment
  SD216488  Krameria bicolor Jay B. Walker 1995-5-4 1417 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  CAS-BOT-BC43701  Krameria erecta H. M. Hall 1901-6-1 2114 Riverside Eastern base, along the borders of the Colorado Desert Comment
  POM1809  Krameria grayi I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon. Comment
  UC61700  Krameria grayi L. D. Copeland 1904-4-30 2 Riverside near Palm Springs; near Palm Springs Comment
  JEPS43169  Larrea tridentata W. L. Jepson and H. M. Hall 1901-5-22 1347 Riverside Palm Canyon and return to Van Deventer's; Palm Canyon Comment
  RSA0047318  Larrea tridentata Jim Andre 2014-1-27 26658 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
  RSA609038A  Larrea tridentata Steve D. Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10058 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UC1929819  Larrea tridentata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10447 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR165829  Larrea tridentata John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR227438  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-3-30 110 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, 4 mi from Ramon Road on Thousand Palms Canyon Road 381 Comment
  UCR228391  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 149 Riverside Colorado Desert; Little San Bernardino Mountains region, W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk) 366 Comment
  UCSB3664  Larrea tridentata Bobkowski, Vincent 1960-4-1 Riverside 3 Miles south west of Intersection State Highway 195 and U.S. 60-70 in the Orocopia Mountains Comment
  CAS-BOT-BC338930  Lasthenia californica Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37443 Riverside Santa Rosa Plateau: Mesa de Colorado 670 Comment
  CAS-BOT-BC352880  Lasthenia coronaria Lewis S. Rose 1937-4-9 37089 Riverside Cabazon 563 Comment
  UCR281787  Lasthenia coronaria Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 102 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  CAS-BOT-BC328106  Lasthenia glabrata subsp. coulteri D. Bramlet 1992-4-9 2221 Riverside 2.6 km W of Lakeview and 15 m to 100 m E of the San Jacinto River and just W of an existing dirt access road. The site is approx. 440 m S of the MWD easement road. 433 Comment
  JEPS35388  Lasthenia glabrata subsp. coulteri W. L. Jepson 1939-4-17 19159 Riverside Temecula 304 Comment
  POM184253  Lasthenia gracilis P. A. Munz 1932-3-24 12015 Riverside Corona 366 Comment
  POM361559  Lasthenia gracilis C. B. Wolf 1932-3-20 24 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  RSA593916  Lasthenia gracilis Steve Boyd, David E. Bramlet 1996-4-19 8596 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  SD239602  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-4-1 38934 Riverside Peninsular Range: Lake Elsinore area, near Alberhill, Baker Street, SW side at dirt road crossing, c. 270 ft SE of intersection with Pierce Street (Lake Elsinore 7.5'Q) 384 Comment
  UCR251697  Lasthenia gracilis T. B. Salvato 2014-4-9 7842 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  JEPS55288  Lathyrus vestitus var. alefeldii W. L. Jepson 1901-5-24 1423 Riverside Van Deventer's Santa Rosa Mts. Comment
  CHSC108889  Layia glandulosa Orlando Mistretta; D Bell, J England, J Hall, C McDonald, L Reccia 2010-4-13 4988 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  JEPS23550  Layia glandulosa Peter H. Raven 1958-5-5 12904 Riverside Comment
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Mar 13 2011
  RSA92258  Layia platyglossa F. W. Peirson 1922-5-19 3042 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
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Dec 16 2012
  UC1287059  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mi e of Glen Ivy Hot Springs Comment
  RSA34596  Layia platyglossa subsp. campestris N. C. Cooper 1944-4-22 1160 Riverside Banning 732 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
  SD137980  Lemna minuta Darin L. Banks, Steve Boyd 1995-10-17 811 Riverside Northwest Palomar Mts,Agua Tibia Mts, Cleveland National Forest, Agua Tibia Wilderness Area, along lower Arroyo Seco, south of Dripping Springs Campground, along narrow benches where Arroyo Seco turns to the east, just west of the metasedimentary hills. 523 Comment
  RSA645547  Leonotis nepetifolia A. C. Sanders, G. Helmkamp 1995-12-5 17931 Riverside Riverside: weed in the yard of O.F. Clarke, 1012 Spruce St. near Canyon Crest DR. 305 Comment
  CLARK-A1528-5690  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains Comment
  UC856592  Lepidium fremontii I. W. Clokey 1935-4-17 6651 Riverside Cottonwood Springs Comment
  UCR200259  Lepidium fremontii var. fremontii J. M. Porter, Orlando Mistretta 2003-6-5 13608 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  POM254732  Lepidium lasiocarpum P. A. Munz 1940-3-23 15687 Riverside north end of Pinto Basin 610 Comment
  RSA703749  Lepidium lasiocarpum LeRoy Gross 2005-3-3 1570 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  JOTR35032  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3485 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA593901  Lepidium latipes var. latipes Steve Boyd, Dave Bramlet 1996-4-19 8606 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  SD186151  Lepidium nitidum A. C. Sanders, T. B. Salvato and Mitch Provance 2003-4-4 25833 Riverside Jurupa Mtns., hill southwest of the Jensen Quarry, northwest of Sunnyslope. 366 Comment
  UCD115887  Lepidium virginicum subsp. menziesii T. B. Salvato; Kent Beaman 2005-5-16 775 Riverside San Jacinto Mtn: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  RSA525337  Lepidium virginicum var. robinsonii Steve Boyd, Dave Bramlet 1990-4-29 4467 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  SD262251  Lepidium virginicum var. robinsonii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 62 Riverside Temescal Valley: North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 392 Comment
  CAS-BOT-BC328098  Lepidospartum squamatum W R O no date on sheet 0056 Riverside Bixby Canyon, Temescal Ranch, Temescal Valley Comment
  POM253472  Lepidospartum squamatum Thos Craig, Frances Craig 1939-11 s.n. Riverside Near Aguanga. Comment
  RSA151190  Lepidospartum squamatum Peter H. Raven 1961-10-8 16841 Riverside Whitewater Wash along Snow Creek road near State Hwy 111. 351 Comment
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Mar 29 2014
  UCR123821  Lepidospartum squamatum Steven R. Hill 2001-5-3 33657 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  SEINET7883487 Image available Lepidospartum squamatum Lewis S. Rose 1958-1 38331 Riverside 3 mi. se. of Palm Springs Station Whitewater Wash 274 Comment
  UCD63993  Leptochloa fusca subsp. uninervia W. A. Harvey 1954-11-1 Riverside Blyth. Comment
  JOTR16798  Leptodactylon pungens Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA468555  Leptosiphon androsaceus Anstruther Davidson 1920-5-11 s.n. Riverside Temecula. Comment
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Sep 9 2011
  RSA192029  Leptosiphon floribundus E. W. Lathrop 1959-4-2 4428 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
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Apr 28 2011
  RSA0080324  Leptosiphon lemmonii Sarah J. De Groot, Cheryl Sevilla 2015-3-18 7370 Riverside White Water Canyon, along the Pacific Crest Trail, just west of the White Water Preserve; south of Red Dome. Southwest of Morongo Valley, west-northwest of Desert Hot Springs. 718 Comment
  RSA262081  Leptosiphon liniflorus E. W. Lathrop 1968-5-22 6945 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  HSC85389  Leptosiphon pygmaeus Steve Boyd 1986-4-13 1688 Riverside Harford Springs County Park, between creek and W flank of 'Cross Mountain Comment
  UC129472  Lesquerella tenella H. M. Hall 1905-4-22 5845 Riverside Canyon Springs , Canyon Springs (Colorado Desert) Comment
  UC1929880  Lessingia glandulifera Scott D. White 2003-10-9 9822 Riverside San Jacinto Mountains: Pine Cove area. Dutch Flat. Comment
  RSA595917  Lessingia glandulifera var. glandulifera D. L. Banks, Lauren Raz 1996-11-5 1176 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  RSA700101  Lessingia glandulifera var. glandulifera Virginia Moran 2003-9-1 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  RSA735985  Leymus condensatus Scott D. White, Justin M. Wood 2008-5-29 12041 Riverside West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  RSA68710  Lilium parryi Frank W. Peirson 1924-7-27 5003 Riverside South side of Dark Canyon, San Jacinto Mountains. 2499 Comment
  UCR224046  Limonium duriusculum Justin M. Wood 2009-11-30 1386 Riverside Southwest Perris Basin, Temecula, Murrieta Creek, downstream of 1st Street Bridge 305 Comment
  UCR234764  Limonium duriusculum A. C. Sanders, John F. Green 2012-6-25 40298 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd., north end of Bucking Bay Dr. 433 Comment
  POM159844  Linanthus aureus E. C. Jaeger 1928-3-24 s.n. Riverside Eagle Mts. Colo. Desert. Comment
  RSA248726  Linanthus aureus Christopher Davidson 1973-4-19 1987 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  RSA586032  Linanthus bigelovii D. L. Banks, S. D. Boyd 1995-3-16 0084 Riverside Cleveland National Forest, Agua Tibia Wilderness Area: N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 506 Comment
  CAS-BOT-BC225698  Linanthus californicus T. Craig 1927-4-23 207 Riverside Glen Ivy Comment
  RSA468466  Linanthus californicus Ora M. Clark 1929-2-24 1536 Riverside N slope of San Jacinto S of Cabazon Comment
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Nov 9 2011
  OBI33512  Linanthus californicus Sheila Riddell 1973-5-17 730517 -19 Riverside On the roadside of Highway 74, 4.1 miles past El Cariso Fire Station 671 Comment
  RSA771116  Linanthus dianthiflorus Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4923 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
  RSA522762  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3869 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
  RSA525414  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4522 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR41542  Linanthus jonesii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6007 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA769522  Linanthus lemmonii Duncan S. Bell, Valentin Arvizu 2010-5-10 975 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA702730  Linanthus liniflorus Scott D. White, Michael Honer 2004-4-6 10059 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA705492  Linanthus maculatus J. Mark Porter, Sarah J. De Groot 2005-3-9 14246 Riverside E. of State Route 62, on paved road between Peirson Blvd. and Indian Ave., N of the Metropolitan Water District Reservoir, Morongo Valley; on both sides of the road. 486 Comment
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Jan 28 2008
  UCR176577  Linanthus nuttallii Joseph Cahill 1998-5-26 15- 03 Riverside Peninsular Range; Santa Ana Mtns., above Lake Elsinore, [near El Cariso Guard Station] just outside Cleveland National Forest 808 Comment
  SDSU8155  Linum lewisii Gerald Collier 1951-5-27 Riverside San Jacinto Mtns. About 4 miles west of Pinon Flats. State Hwy 74, about 10 yds. from roadside. Comment
  UCR158759  Lobularia maritima S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  RSA657232  Loeflingia squarrosa J. M. Porter 2001-4-2 12328 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  JOTR30672  Loeseliastrum matthewsii La Doux, Tasha, Jim Andre 2008-3-21 141 Riverside Joshua Tree National Park. N. side of paved road to Cottonwood, at Fried Liver Wash crossing 557 Comment
  JOTR32183  Loeseliastrum matthewsii Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Wide sandy canyon wash (Stop 1) 1149 Comment
  JOTR32966  Loeseliastrum matthewsii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2717 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  JOTR33965  Loeseliastrum matthewsii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2851 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  UC405427  Logfia depressa Katharine Brandegee 1899-1 Riverside Colorado Desert Comment
  SDSU13914  Logfia gallica Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2135 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR154545  Lolium perenne Jason L. Hlebakos 2005-5-13 674 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
  RSA343106  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60629 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  RSA614176  Lomatium dasycarpum D. L. Banks 1997-2-17 1283 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to Riverside/San Diego County line border. 402 Comment
  RSA452089  Lomatium dasycarpum subsp. dasycarpum N. C. Cooper 1944-6-4 1324 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UC21218  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1931 Riverside Temecula Creek 609 Comment
  SFV20158  Lonicera subspicata var. denudata J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .5 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UC534840  Lonicera subspicata var. denudata Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat Santa Rosa Mts. 1524 Comment
  UCR91680  Lotus argophyllus Steve Boyd, D. L. Banks 1995-4-5 8418 B Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  RSA303525  Lotus argophyllus var. argophyllus J. R. Shevock 1972-3-5 1360 Riverside Hwy 71 Comment
  RSA406139  Lotus grandiflorus var. grandiflorus N. C. Cooper 1944-5-21 1250 Riverside San Jacinto Mtns. West Side. 1220 Comment
  UCR250106  Lotus hamatus A. C. Sanders 2014-4-9 41009 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  RSA89921  Lotus nevadensis var. nevadensis E. K. Balls, Percy C. Everett 1953-7-1 18349 Riverside 5 mi. NW of Idyllwild on road to Banning 1524 Comment
  UC80942  Lotus nevadensis var. nevadensis A. W. Anthony 1895-7-10 Riverside San Jacinto Mts. 2590 Comment
  UC1931212  Lotus oblongifolius Scott D. White, Justin Wood 2008-7-8 12371 Riverside San Jacinto Mountains: Hurkey Creek Watershade - Bonita Vista Road, ca 1/2 miles E and W of Hurkey Creek crossing. (Idyllwild) Comment
  UCR281011  Lotus purshianus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 20 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  SEINET2042331 Image available Lotus rigidus George K. Helmkamp, E. A. Helmkamp 1998-4-23 3376 Riverside Santa Rosa Mountains; Pinyon Pines along CA-74 between the San Jacinto and Santa Rosa Mountains. 1296 Comment
  VVC210  Lotus scoparius F. Zaebst 1959-2-26 s.n. Riverside S Calif, UC Riverside Campus; 100 yds S on Rd behind C.E.S. Administration Bldg 325 Comment
  UCR166171  Lotus scoparius subsp. brevialatus 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
  RSA406904  Lotus scoparius var. brevialatus Robert Gustafson 1980-5-5 1571 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  UC217920  Lotus scoparius var. brevialatus P. A. Munz, D. Keck 1922-4-14 4998 Riverside e of Whitewater Ranch; Colorado Desert 243 Comment
  UC729973  Lotus scoparius var. brevialatus Carl B. Wolf 1932-5-25 Riverside 0.25 mi sw Summit of Moreno Grade (sw of Beaumont, Bad lands); Bad Lands 670 Comment
  UCR91616  Lotus scoparius var. brevialatus D. L. Banks, Steve Boyd 1995-4-5 0161 Riverside Peninsular Ranges, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, along the Dripping Springs Trail 610 Comment
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Sep 5 2010
  JEPS55813  Lotus strigosus H. M. Hall 1905-4-20 5830 Riverside Mecca Colorado Desert Comment
  RSA0031442  Lotus strigosus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4502 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA583367  Lotus strigosus Steve Boyd, Darin Banks 1995-4-5 8431 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UC864905  Lotus strigosus Lewis S. Rose 1937-4-9 37088 Riverside Banning 706 Comment
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Mar 13 2011
  SEINET2062441 Image available Lotus strigosus var. tomentellus B. Pitzer, L. LaPre 1987-3-2 437 Riverside Bundy Canyon ca. 2 mi SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd., off Raciti Rd. (Romoland 7.5 Quad) 701 Comment
  UCR120847  Lotus wrangelianus D. E. Bramlet 1993-4-12 2320 Riverside Lake Mathews; 46 m north of Cajalco Rd. at a point 762 m east of La Sierra Ave., NW of Siegal Ranch Road 427 Comment
  JEPS85675  Lupinus W. L. Jepson 1939-4-17 19122 Riverside on rd to Temecula 2 mi s Corona (Corona); s of Corona Comment
  UC668416  Lupinus andersonii Annie M. Alexander and Louise Kellogg 1941-5-4 2113 Riverside Joshua Tree National Monument 1249 Comment
  JEPS48838  Lupinus arizonicus Marjorie D. Clary 1932-5-9 945 Riverside Shavers Well to Desert Center; Shavers Well to Desert Center Comment
  RSA779779  Lupinus arizonicus Duncan S. Bell 2010-4-2 688 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  SD237432  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside UTM in Supplement.N. Palo Verde Mesa, E flank bajada of the McCoy Mtns, one mile W of Black Creek Rd, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak. Comment
  UCR138564  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1469 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR196378  Lupinus arizonicus Naomi Fraga, Lisa Rojas 2005-2-10 1371 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR279592  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-28 43159 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
  SEINET10488550  Lupinus arizonicus Duane Isely, Wendell H. Bragonier 1960-3-22 Isely 7203 Riverside Roadside, edge of Desert Palms. Comment
  UC1183625  Lupinus bicolor Dave Dunn 1941-3-30 984 Riverside on Hwy to Perris 1/2 mi from Beaumont turnoff near the R.R. tracks (near March Field (Army Camp)); near March Field (Army Camp) Comment
  UC1952557  Lupinus bicolor Steve Boyd 1995-5-13 8512 Riverside Santa Ana Mountains, south of Elsinore Peak near intersection of road to radio towers on summit and trail following old Main Divide Road grade. Comment
  POM276328  Lupinus bicolor subsp. marginatus Lyman Benson 1932-3-26 3161 Riverside 3 miles N [of] Temecula. 457 Comment
  SEINET3101907  Lupinus concinnus Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17377 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  UCR84638  Lupinus concinnus Scott D. White, S. Ogg 1994-4-21 1988 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  POM10226  Lupinus concinnus subsp. concinnus F. M. Reed 1907-5-5 1332 Riverside Fairmount Park. Comment
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Nov 30 2009
  UCR1560  Lupinus concinnus subsp. optatus R. L. Needham 1962-5-19 10068 Riverside Peninsular Ranges, San Jacinto Mtns, above Fern Basin Campground (off Idyllwild-Banning Hwy). 1982 Comment
  RSA572998  Lupinus excubitus var. hallii Steve D. Boyd 1986-4-22 1750 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA613661  Lupinus hirsutissimus D. L. Banks, Victor W. Steinmann 1997-3-13 1459 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  SBBG88097  Lupinus hirsutissimus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 167 Riverside Oasis de los Osos Preserve, off Snow Crk Cyn, 1 mi W of Snow Crk Village 487 Comment
  SD122396  Lupinus hirsutissimus Duffie Clemons, Jim Dice, Glenn Keator 1988-2-18 1943 Riverside Santa Margarita Ecological Preserve west of Temecula, alongside jeep trail leading into Santa Margarita River Canyon Comment
  POM229048  Lupinus hyacinthinus Philip A. Munz 1937-5-30 15141 Riverside Santa Rosa Peak. 2409 Comment
  SEINET238339  Lupinus latifolius Mitch Provance 2000-5-5 2011 Riverside Riverside: Box Spring Mtns. canyon ca. 0.5 mi. NE of peak 2553 and ca. 0.5 mi. SW of the old landfill off Pigeon Pass 427 Comment
  UC15840  Lupinus latifolius var. parishii Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  CAS-BOT-BC202088  Lupinus longifolius B. D. Stark 1931-4-18 1939 Riverside Mouth of Gypsum Canyon, Santa Ana Mts. Comment
  RSA413757  Lupinus longifolius M. V. Hood 1945-3-25 s.n. Riverside Aguanga. 610 Comment
  RSA0047268  Lupinus sparsiflorus J. Mark Porter, Lauren E. Machen 1997-2-15 11422 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
  RSA414278  Lupinus sparsiflorus Christopher Davidson 1973-4-1 1791 Riverside St. Hwy 71/79, appx 7 miles E of jct with Hwy 395 south. 412 Comment
  RSA676293  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR163399  Lupinus sparsiflorus O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR2955  Lupinus sparsiflorus D. L. Flaherty 1963-5-2 150 Riverside Peninsular Range, 1 mi. west of Lakeland Village, NW end of Lake Elsinore, on Hwy 74, in Cleveland National Forest. 396 Comment
  RSA485409  Lupinus sparsiflorus subsp. sparsiflorus Steve Boyd 1987-4-5 1968 Riverside Gavilan Hills - Harford Spring County Park in sandy valley at N end of park. 609 Comment
  UCR176898  Lupinus truncatus Tracy Tennant 1998-5-13 1017 Riverside Peninsular Range, Vail Lake outlet, Temecula Creek Canyon 488 Comment
  JOTR16859  Lycium andersonii Moore, Sue 1968-5-13 s.n. Riverside Joshua Tree National Park. NEAR PINTO WYE 1158 Comment
  UCSB5905  Lycium andersonii Haller, John 1960-4-3 Riverside south side of US 60-70; 5.8 miles east of Desert Center 243 Comment
  UCR103780  Lycium barbarum Scott D. White 1994-10-21 2506 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  JEPS12420  Lycium cooperi W. L. Jepson 1928-4-25 12612 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains 731 Comment
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Oct 9 2010
  RSA785450  Lythrum californicum Jeremiah George 2011-8-9 s.n. Riverside north shore of Lake Elsinore, south of end of Lehr Dr. 384 Comment
  SD241094  Lythrum californicum A. C. Sanders, John F. Green 2012-5-27 40211 Riverside Peninsular Range: Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Road (Romoland 7.5'Q) 427 Comment
  UCR251344  Lythrum californicum S. J. Myers 2014-5-21 1066 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  SD70892  Lythrum hyssopifolia Helen V. Witham 1969-7-2 174 a Riverside Common near drainages, pools, etc. De Luz Creek crossing, 4 mi. N. of De Luz. 249 Comment
  UCR201017  Machaeranthera asteroides var. asteroides Scott D. White, Justin M. Wood 2008-9-17 12540 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks 448 Comment
  UCR101571  Machaeranthera tortifolia Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  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
  UCR281006  Malacothamnus densiflorus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 26 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  CAS-BOT-BC206261  Malacothamnus fasciculatus Elmer I. Applegate 1893-4-23 55 Riverside East Riverside hills. Comment
  SD122921  Malacothamnus fasciculatus Steve Boyd 1985-7-23 1026 Riverside De Luz Rd. 9.8 miles west of Rancho California Along road in area of woodland 244 Comment
  POM229455  Malacothrix clevelandii P. A. Munz 1937-5-30 15087 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
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Sep 4 2009
  POM362266  Malacothrix clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning Comment
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Mar 13 2011
  RSA89027  Malacothrix clevelandii J. C. Roos, Lucille Roos 1954-5-15 6119 Riverside Summit of Reche Canyon 732 Comment
  UC54143  Malacothrix coulteri H. M. Hall 1902-4-21 Riverside vicinity Riverside 487 Comment
  HSC28056  Malacothrix glabrata Richard Spjut 1973-4-6 3272 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  RSA668342  Malacothrix glabrata C. R. Annable 1995-3-12 2271 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  UCR103992  Malacothrix glabrata George K. Helmkamp 1998-4-3 3079 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
  UCR177858  Malacothrix glabrata Marisa Sripracha, K. A. Boyd 2004-3-21 040 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  VVC93  Malacothrix glabrata A. C. Sanders, J. Mac 1997-5-4 20642 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  SDSU13928  Malosma laurina Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2153 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  RSA764877  Malvella leprosa Justin M. Wood 2010-9-8 2596 Riverside Beaumont Badlands: San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  RSA772015  Marah macrocarpa Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4955 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
  UCR175117  Marah macrocarpa Jennifer H. Jones, Toby Bartels 2006-4-23 278 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  JOTR37436  Marina parryi Hodges, Stephen R., T. Hender 2015-12-30 558 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road (Stop 1) Comment
  RSA645640  Marina parryi Scott D. White 1999-4-20 7277 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
  UCR92753  Marina parryi 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
  RSA0023096  Marina parryi John F. Emmel 1995-4-22 1371 Riverside Valley between McCoy Mts. and Little Maria Mts.; large wash 00.6-0.7 air mile north and 0.9-1.2 air miles east of Black Jack Mine. 265 Comment
  SBBG37492  Marrubium vulgare R. N. Muller 1967-5-5 Riverside UCR campus, on S side of first E-W ridge S of irrigation reservoir Comment
  POM78929  Marsilea vestita I. M. Johnston 1925-7-7 5285 Riverside ca. 1 mile NW of Norco 182 Comment
  SD124724  Matelea parvifolia A. C. Sanders, Pitzer, Charlton, et al. 1986-3-2 6053 Riverside Chuckwalla Bench, south side of the Chuckwalla Mountains, on the Bradshaw Road about 2 miles east of the gasline road. 640 Comment
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Aug 29 2010
  CAS-BOT-BC348067  Matricaria discoidea John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA650954  Matricaria matricarioides W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  UCR201426  Matricaria matricarioides Scott D. White, Justin M. Wood 2008-6-17 12159 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  CAS-BOT-BC422725  Meconella denticulata John Thomas Howell 1931-5-30 6594 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  CLARK-A1528-2860  Medicago sativa John C. Roos 1965-6-30 Riverside Perris Comment
  OBI37483  Medicago sativa Steve Boyd 1985-7-23 1007 Riverside De Luz Rd, 5.5 mi W of Rancho Calif 396 Comment
  JOTR29499  Melica frutescens La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1609 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  LA102206  Melica frutescens John C. Roos; 1965-6-13 sn Riverside W base of San Jacinto Mountains, E of Hemet (Probably on Highway 74) Comment
  UCR22041  Melica frutescens Steve Boyd 1980-5-11 225 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
  SEINET7048164  Melica frutescens Steven R. Hill 2001-5-3 33666 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UC1922736  Melica frutescens R. E. Riefner Jr. 2006-8-2 06 -350 Riverside Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW ca. 0.75 mi from Leon Rd. Comment
  RSA801815  Melica imperfecta LeRoy Gross, Evan Meyer 2013-5-21 6109 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point. 1631 Comment
  SEINET7073348  Melica imperfecta 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
  UCR113150  Melica imperfecta A. C. Sanders 1998-3-11 21682 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR121175  Melica imperfecta D. E. Bramlet 1990-4-27 1992 Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  UCR133447  Melica imperfecta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 453 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR225505  Melica imperfecta A. C. Sanders, T. B. Salvato 2011-3-29 38839 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  POM348169  Melilotus albus E. Crow 1929-2-22 168 Riverside Border of Santa Ana Mts. S of Corona Comment
  RSA621507  Mentha suaveolens D. L. Banks 1997-11-15 2194 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  LA91117  Mentzelia affinis Peter H. Raven; 1958-3-15 11845 Riverside Box Canyon, E of Mecca Comment
  RSA4968  Mentzelia affinis Carl B. Wolf 1932-4-27 3030 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  CLARK-A1656-879  Mentzelia involucrata Lois Ann Scott 1977-12-2 Riverside Big Morongo Canyon Comment
  RSA0019475  Mentzelia involucrata Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24389 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  UC872492  Mentzelia involucrata P. A. Munz, D. Keck 1922-4-9 4827 Riverside 3 m ne hayfields (so. base of Eagle Mtns.); Colorado Desert 213 Comment
  UCSB4215  Mentzelia involucrata Hurd, Richard 1956-4-14 Riverside Road to Devil's Garden; 3 miles from Highway 99 Comment
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Nov 23 2014
  POM14014  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-13 4940 Riverside Eagle Mountains. 244 Comment
  UCR29622  Mentzelia lindleyi Don Emery 1983-3-11 s.n. Riverside Peninsular Range, Aguanga, 1 mi north of Hwy. 79 at a point 1 mi west of its jct with Hwy 371. Comment
  SBBG4876  Mentzelia longiloba H. and M. Dearing 1942-4-3 4853 Riverside 12 mi N of Desert Center Comment
  RSA162701  Mentzelia micrantha J. D. Olmsted 1959-4-18 426 Riverside Santa Ana Mtn. base. 3 miles N of Elsinore on Hwy 71 in weedy area on East side of road. 335 Comment
  RSA601792  Mesembryanthemum nodiflorum D. E. Bramlet 1997-3-13 2496 Riverside Nichols Road Wetlands. This site is located aproximatly 183 m. southeast of Nichols Road, 91m west of Collier Ave. and 196m west of I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to Alberhll Creek. 381 Comment
  CLARK-A1045-189  Micropus californicus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  PASA330  Microseris douglasii Frank W. Peirson 1922-4-30 Riverside 1 mile west of Lakeview 426 Comment
  RSA192186  Microseris heterocarpa E. W. Lathrop 1959-4-17 4478 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  RSA192024  Microsteris gracilis subsp. gracilis E. W. Lathrop 1960-3-11 4656 Riverside 5 miles west of Murrieta. Comment
  RSA543959  Microsteris gracilis subsp. gracilis Steve Boyd, Orlando Mistretta 1991-5-9 6190 boyd Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UCR84594  Mimulus Scott D. White, S. Ogg 1994-4-21 1961 Riverside San Bernardino Mtns., Millard Canyon, near jct of E and W forks of USFS Road 2S05, c. 2.5 mi south of Bear Wallow Spring. 976 Comment
  RSA586766  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-5-17 464 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of Upper Arroyo Seco. 659 Comment
  UCR280951  Mimulus aurantiacus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 66 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  UCR98683  Mimulus aurantiacus S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  VVC484  Mimulus aurantiacus A. C. Sanders, J. Mac 1997-5-4 20686 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  SDSU13462  Mimulus aurantiacus var. puniceus Robin P. Silverstein, Taxonomy of Calif. Plants class, M. G. Simpson, instructor 2000-4-1 5 Riverside Santa Margarita Ecological Reserve. East side of river, 200 m down-river from cement bridge crossing river. 1/10th of a mile south of Northside Field Station. 244 Comment
  UC511176  Mimulus aurantiacus var. puniceus Lyman Benson 1932-3-26 3183 Riverside summit Temecula Grade 609 Comment
  UCR216401  Mimulus aurantiacus var. puniceus Mike Bell 2008-3-30 029 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  RSA420965  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3318 Riverside Desert Center. 610 Comment
  UCD96046  Mimulus bigelovii var. cuspidatus Dena Grossenbacher; Brian Green 2008-4-21 798 Riverside Along Lost Palms Oasis Trail starting about one mile from the trail head and continuing towards the palm oasis for about one mile. 1047 Comment
  HSC86250  Mimulus brevipes Jane Hildreth 1981-6-4 28 Riverside 5 mi. S of banning along Hwy. 243, San Jacinto Mtns. 1067 Comment
  UCR193881  Mimulus brevipes A. C. Sanders 2008-7-25 35896 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  UCR1001  Mimulus guttatus B. L. Estes 1961-3-29 s.n. Riverside Riverside, UCR campus: 150 yds east of Webber Hall Comment
  UCR174078  Mimulus pilosus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32592 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
  UCR193855  Mimulus pilosus A. C. Sanders, Mitch Provance 2008-7-11 35766 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
  CAS-BOT-BC388771  Minuartia douglasii Steve Boyd 1986-5-7 1849 Riverside Temescal Canyon: Terrace escarpment between Horsethief Wash and Indian Truck Trail, south of I-15 Comment
  POM17816  Minuartia douglasii P. A. Munz 1923-6-14 7086 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  UCR226999  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-2 16220 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR114837  Mirabilis californica Mitch Provance 1998-2-13 17 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR115410  Mirabilis californica Mitch Provance 1999-4-3 1753 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  RSA464245  Mirabilis laevis var. crassifolia Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA0027993  Mirabilis laevis var. crassifolia P. Shirokawa 1998-5-15 30 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  UCD98205  Mirabilis laevis var. villosa Anne Harrison 1962-4-17 23 Riverside On White-water Canyon Road north of U.S. Highway 60, 0.25 mile south of trout farm where road crosses Whitewater River. Comment
  SD146148  Mohavea confertiflora Andy C. Sanders 2000-4-25 23352 Riverside Coachella Valley: east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 14 Comment
  SDSU10812  Mohavea confertiflora A. H. Gallup 1949-3-28 384 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], east slope, Colorado Desert drainage area, in bottom of dry wash. 152 Comment
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Jan 30 2013
  UC196564  Mohavea confertiflora Joseph Grinnell 1910-3-17 Riverside Riverside Mountain, Colorado River Colorado River; Riverside Mountain, Colorado River Comment
  UCR25379  Mohavea confertiflora John C. Roos 1949-3-26 4126 Riverside Sonoran (Colorado) Desert, Mouth of Shaver's Wash [= Box Canyon], east of Mecca 61 Comment
  UCR207606  Mollugo verticillata O. F. Clarke 2004-5-10 s.n. Riverside Peninsular Range, Riverside, UCR campus, agricultural operations area west of Canyon Crest Dr. and south of Martin Luther King Blvd., at 'Midgeville' the Entomology Dept. experimental ponds 302 Comment
  UC130499  Monardella australis subsp. australis Mrs. C. M. Wilder 1909-7-10 3 Riverside above Walters; San Jacinto Mts., Tahquitz creek Comment
  UCR143095  Monardella breweri subsp. lanceolata Carl Epling 1932-6-26 s.n. Riverside San Bernardino Valley region, Jurupa Hills 610 Comment
  LA96091  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 103 Riverside Black Mountain, 0.5 mi. beyond Black Mountain Spring Comment
  RSA750308  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 124 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance beyond Willow Creek. Comment
  CLARK-A1528-3148  Monardella nana subsp. tenuiflora John C. Roos 1941-8-2 89 Riverside San Jacinto Mountains 2133 Comment
  POM48878  Monardella nana subsp. tenuiflora P. A. Munz 1924-7-27 8739 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA750281  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-9 87 Riverside San Jacinto Mts. Trail to Suicide Rock, about 3 miles from Fern Valley. Comment
  CAS-BOT-BC220381  Monardella pringlei Ethel H. Campbell 1921-5-1 s.n. Riverside Between Riverside and Ontario 300 Comment
  LA62510  Monardella viminea Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  OBI23450  Monoptilon bellioides D. Seigler, C. Bohnstedt, F. Seaman and D. Riskind, D. Riskind 1970-3-25 2248 Riverside 32 mi N of Cottonwood Visitor Center in Joshua Tree Natl Monument Comment
  RSA696851  Monoptilon bellioides J. R. Bruff 1927-3-12 s.n. Riverside 3 mi. S of Garmet; 8 Palms Comment
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Nov 3 2011
  RSA94164  Monoptilon bellioides F. W. Peirson 1920-2-15 1383 Riverside Neaar Palm Springs, Coachella Valley. Comment
  CAS-BOT-BC444628  Montia chamissoi H. M. Hall 1901-7-1 2362 Riverside San Jacinto Mountains. In meadows or along creeks of Tamarack Valley 2743 Comment
  SEINET2153726  Montia perfoliata W. H. Whaley 2002-1 s.n. Riverside along Idyllwild road, at mile marker 21, recent burn site, ca 3/4 mile SE of Mt. Oak Boys Ranch. Comment
  RSA483256  Muhlenbergia asperifolia L. E. Hoffman 1932-5-28 s.n. Riverside Near San Jacinto Comment
  CAS-BOT-BC267020  Muhlenbergia filiformis Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, Mount San Jacinto 2438 Comment
  RSA0012062  Muhlenbergia filiformis Steve Boyd, Gary D. Wallace 2005-7-30 11655 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  CHSC61257  Muhlenbergia microsperma J. Lund 1980-4-3 Riverside One mile west of Corn Spring on the side of an unimproved road in a wash. 487 Comment
  LA105321  Muhlenbergia microsperma John C. Roos; 1946-10-26 3144 Riverside Chuckwalla Mountains, near tanks Comment
  JOTR31798  Muhlenbergia rigens La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2100 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  RSA680487  Muilla maritima Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9593 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR42546  Muilla maritima B. G. Pitzer 1986-4-26 0182 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  SDSU13919  Myriopteris clevelandii Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2087 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  SD181815  Myriopteris newberryi Scott D. White, Tasha La Doux 2000-4-20 7676 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  SBBG45292  Myriopteris parryi S. B. Parish -Mar-1882 Riverside Agua Caliente [Palm Springs] Comment
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Jul 12 2010
  RSA718304  Nama demissa Michael Honer, L. Hulse 2004-4-2 1886 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  UCR198171  Nama hispida var. spathulata Michael Honer, Theresa Miller 2005-3-11 2063 Riverside Northeastern Colorado Desert, Rice Valley, 4.5 mi south-southeast of Rice, 1.5 mi east of ATSF railway 220 Comment
  SD146243  Nama stenocarpa A. C. Sanders, Mitch Provance 1999-9-26 23120 Riverside Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi S of Eden Hot Spring 433 Comment
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Oct 3 2007
  SEINET238480  Nama stenocarpa A. C. Sanders, Mitch Provance 1999-9-26 23120 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden 433 Comment
  UCD87689  Nassella pulchra Scott D. White; Michael Honer 2004-4-6 10060 Riverside Perris/Elsinore Basins. Temescal Valley, just north of the I-15 freeway and east of Indian Truck Trail, south and est of Lee Lake. 335 Comment
  UCR174094  Navarretia atractyloides A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32550 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  SEINET4565894  Nemacaulis denudata var. gracilis Duncan S. Bell 2010-4-2 684 Riverside Arica Mountains: west side of the mountain range within the Palen/McCoy Wilderness; c. 3 air miles northwest of Priest Well 477 Comment
  UCR279600  Nemacladus A. C. Sanders, Jim Malusa 2017-3-28 43137 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
  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
  SEINET2063094 Image available Nemacladus ramosissimus A. C. Sanders, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mountains, upper Bee Canyon, 1.3 milesabove the mouth of the canyon at the San Jacinto River valley. 671 Comment
  SEINET2068201  Nemacladus ramosissimus A. C. Sanders, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mouintains, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River valley. (Near 33d 45' N, 116d 51' W.) 670 Comment
  JOTR31090  Nemacladus sigmoideus La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2352 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  JOTR33970  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding 2010-4-7 2858 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA523373  Nemophila menziesii G. H. True 1935-3-1 28 Riverside Box Springs. 366 Comment
  UC24227  Nemophila menziesii Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UC489037  Nemophila menziesii C. V. Meyer Jun 1927 185 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1676 Comment
  UCR16820  Nemophila menziesii S. M. Chambers 1970-5-9 19 Riverside Santa Rosa Mtns., State Hwy 74, 1 mi. west of Santa Rosa Mountain Road 1220 Comment
  UCR787  Nemophila pedunculata C. Bahre 1970-4-30 s.n. Riverside San Jacinto Mtns., North Fork of San Jacinto River 1524 Comment
  UCR115348  Nerium oleander A. C. Sanders 2000-12-17 23729 Riverside San Bernardino Valley/ upper Santa Ana River region, Corona, SW side of I-15, between Taber and Ontario Streets 277 Comment
  UC489083  Nicotiana attenuata C. V. Meyer 1928-7-26 523 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  GMDRC9811  Nicotiana obtusifolia J. M. Andre 2017-3-1 38037 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  JOTR30637  Nicotiana obtusifolia La Doux, Tasha, Erin Babich 2008-4-21 1800 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  RSA708493  Nicotiana obtusifolia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10890 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  SBBG99844  Nicotiana obtusifolia W. L. Halvorson 1977-3-8 77 -75 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  SD134472  Nitrophila occidentalis Craig Reiser 1988-7-1 Riverside Near Gilman Hot Springs Comment
  RSA747567  Notholaena californica Michael Honer 2003-4-16 1826 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. 640 Comment
  SBBG267  Notholaena californica H. and M. Dearing 1942-1-10 4784 Riverside Tahquitz Cyn, near Palm Springs Comment
  OBI53608  Nuttallanthus texanus Steve Myers 1988-1 s.n. Riverside Temescal Cy, ca 1/4 mi W of intersection of Hwy I-15 & Indian Truck Trl 381 Comment
  UC1174407  Nuttallanthus texanus Ira L. Wiggins and W. R. Ernst 1958-5-2 225 Riverside 2 mi n of Temecula (along Highway 395) Comment
  UCR14367  Oenothera bistorta Steven Wickler 1974-4-21 003 Riverside San Jacinto Valley, immediately off of Hemet-San Jacinto offramp, U.S. Hwy 60, 8 mi. east of Riverside 518 Comment
  UC56462  Oenothera californica subsp. californica H. M. Hall 1902-4-23 2956 Riverside S. Ana River vicinity of Riverside 243 Comment
  SJSU10942  Oenothera deltoides T. N. Seeno 1963-4-12 274 Riverside by Hwy 60-70, 20 mi W of Blythe Comment
  UC1252002  Oenothera deltoides subsp. deltoides William M. Klein 1959-3-1 805 Riverside along La Quinta Rd 0.5 mi s junction of U.S. Highway 60-99 (about 6 mi nw of Indio); Bermuda Dunes 60 Comment
  RSA770931  Oenothera elata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4581 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA771101  Oenothera elata subsp. hirsutissima Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4717 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65132 604 Comment
  RSA698252  Oenothera scapoidea J. R. Bruff 1932-3-13 s.n. Riverside Between Palm Springs and P. Canyon. Comment
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Aug 27 2011
  SEINET1004536  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-1 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Rd., at Quail Lake Golf Course. (El Casco 7.5' Quad) 439 Comment
  UCR241776  Oncosiphon piluliferum A. C. Sanders, Timothy W. Chumley 2013-4-1 40725 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  CAS-BOT-BC58054  Opuntia basilaris var. basilaris F. A. Thackery 1924-2-8 41 Riverside Field redacted by CAS, contact the data manager for more information Comment
  SD137822  Opuntia basilaris var. basilaris Darin L. Banks, Steve Boyd 1995-5-3 248 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. (IPB 9/07) 515 Comment
  RSA696233  Opuntia bigelovii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  POM83402  Opuntia parryi J. W. Toumey 1895-05 s.n. Riverside Banning. Comment
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Mar 21 2011
  SEINET9037739 Image available Opuntia phaeacantha M. A. Baker 2015-1 18327 Riverside San Gorgonio Pass, 8km east of Banning, 30km WNW of Palm Springs, 4km WNW of Cabazon 646 Comment
  POM274075  Opuntia ramosissima Lyman Benson 1933-3-31 4187 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA439548  Opuntia ramosissima B. C. Templeton 1965-04 10526 Riverside Joshua Tree. Comment
  JEPS18058  Orcuttia californica Frank W. Peirson 1922-5-19 3020 Riverside Menifee Valley Comment
  RSA343111  Orcuttia californica R. F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60650 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  UCSC011194  Orobanche cooperi Adam Searcy 2012-4-7 52 Riverside SR 177 junction with Coxcomb Monument Road Comment
  RSA648279  Orthocarpus purpurascens var. purpurascens Margaret Murphy 1983-4-15 0014 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UC1520011  Osmadenia tenella Robert Gustafson, Gary Wallace 1983-6-23 2721 Riverside ca 2 1/2 mi from its junction with Hwy. 15 Clinton Keith Road; Santa Ana Mts. Comment
  RSA796510  Osmorhiza brachypoda R. F. Thorne, E. W. Lathrop 1977-5-18 49720 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UC6604  Oxyria digyna H. M. Hall July, 1901 2415 Riverside near summit San Jacinto Mountains; San Jacinto Mountains, near summit 3276 Comment
  UC572580  Oxytheca trilobata H. S. Yates 1936-8-29 6375 Riverside 1 mi ne Keen Camp; San Jacinto Quad. 1615 Comment
  UC849829  Oxytheca trilobata I. W. Clokey and E. G. Anderson 1935-8-21 6599 Riverside e of Keen Camp P. O. 1360 Comment
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Nov 20 2010
  CLARK-A1528-691  Paeonia californica Sue Freeman 1967-2-19 Riverside 914 Comment
  CAS-BOT-BC327944  Palafoxia arida W R O no date on sheet 0423 Riverside Abandoned gravel pit between Colorado aqueduct and Granite Mts. Comment
  CDA8433  Palafoxia arida G. D. Barbe, T. C. Fuller 1973-2-27 1043 Riverside West side of Coachella Canal, 5 miles east of Mecca on Highway 195, mouth of Box Canyon Wash. 0 Comment
  SEINET3148310  Palafoxia arida G. B. Grant 1906-5-1 906 -6748 Riverside Colorado Desert at Palm Springs Comment
  POM301788  Palafoxia arida var. arida J. Cole 1942-06 973 Riverside Ruby Lee Mill Site, Joshua Tree National Monument. 915 Comment
  RSA28074  Palafoxia arida var. arida I. L. Wiggins 1941-3-24 9564 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  SD124922  Palafoxia arida var. arida Scott Cantrell 1986-3-28 92 Riverside Desert Hot Springs, near Highway 62 and Indian Ave. 519 Comment
  SEINET4344932 Image available Palafoxia arida var. arida Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  UC583283  Palafoxia arida var. arida Lewis S. Rose 1936-1-1 36003 Riverside L. A. Aqueduct Road 15 mi n Indio; Colorado Desert 304 Comment
  UC665749  Palafoxia arida var. arida Ira L. Wiggins 1941-3-24 9573 Riverside slopes along eastern side of sea 2.7 mi s Mortmar; Salton Sea Comment
  UCR251921  Palafoxia arida var. arida Jim Andre 2013-3-27 24844 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  RSA0063657  Palafoxia arida var. arida Gordon H. True 1938-3-15 976 Riverside East of Indio, near Kane Springs. 3 Comment
  CAS-BOT-BC253856  Panicum miliaceum F. M. Reed 1910-10-14 3112 Riverside Riverside and Vicinity. On Box Springs Boulevard 312 Comment
  RSA66302  Papaver californicum F. W. Peirson 1918-03 1890 Riverside Irrigated field near Indio. Comment
  UCR79251  Papaver californicum Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6736 Riverside Santa Ana Mtns., San Mateo Cyn. Wilderness area. Tenaja Cyn, along trail from wilderness boundary down stream towards Fisherman's Camp 549 Comment
  RSA405373  Parkinsonia aculeata S. B. Parish 1913-9-23 8624 Riverside Colorado Desert Comment
  SFV7923  Parkinsonia florida T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1286 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  CAS-BOT-BC259739  Paspalum distichum H. A. Zuill 1966-6-19 230 Riverside Cole Canyon, about 1-2 miles [?] Murrieta Comment
  POM228765  Pectis papposa F. W. Peirson 1937-11-27 12245 Riverside La quinta, about sea level. Comment
  RSA339330  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53567 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains 1098 Comment
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Apr 25 2011
  UCR24128  Pectis papposa John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 18 mi. west of Blythe 122 Comment
  SEINET10799090  Pectis papposa Frederick M. Reed 1934-9-26 Reed 8957 Riverside Pines to Palus Road - Santa Rosa Mts. below Pinon Flats. 366 Comment
  JEPS34818  Pectis papposa var. papposa W. L. Jepson 1914-5-24 6061 Riverside Palm Springs Colorado Desert, Palm Springs 121 Comment
  JOTR29252  Pectis papposa var. papposa La Doux, Tasha 2005-8-17 1533 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  UC64423  Pectocarya anisocarpa H. M. Hall 1897-3-23 398 Riverside Winchester Comment
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Mar 20 2011
  JOTR34481  Pectocarya heterocarpa Andre, Jim 2012-4-16 20962 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  CSUSB746  Pectocarya linearis Frank Aubrey 1959-4-12 Riverside 150 feet west of pond northeast of Webber Hall on UCR (University of California, Riverside) campus. 304 Comment
  RSA716400  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD130322  Pectocarya linearis Ed LaRue 1990-4-13 Riverside 0.5 miles northwest of Aguanga, north of Highway 79 and west of Highway371, ca. 1.5 air miles north of San Diego County Line 640 Comment
  SEINET10805493  Pectocarya linearis John F. Green 2006-4-18 Green s.n. Riverside NE of Murrieta just S of Los Alamos Rd. ("Clinton Keith Rd."), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley (Murrieta 7.5'Q). Dirt road edges with remnant sage scrub in rural residential area; less disturbed extant sage scrub to the NW. 415 Comment
  UCR228850  Pectocarya linearis A. C. Sanders, Nathan Moorhatch 2011-3-22 38793 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  RSA604848  Pectocarya linearis subsp. ferocula Scott D. White 1995-3-30 2644 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  RSA752561  Pectocarya linearis subsp. ferocula Justin M. Wood 2009-3-3 327 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  SBBG15824  Pectocarya linearis subsp. ferocula D. E. Breedlove 1962-3-11 1900 Riverside 5.7 mi SE of US Hwy 395 on St Hwy 74; rd to Hemet 487 Comment
  SD137835  Pectocarya penicillata Darin L. Banks, Steve Boyd 1995-5-9 414 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, west of the Dripping Springs Alcove Area. 740 Comment
  SEINET3084047 Image available Pectocarya penicillata A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19679 Riverside Colorado Desert/San Jacinto Mtns: Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon. 183 Comment
  UCR88558  Pectocarya penicillata A. C. Sanders 1995-4-13 16506 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  RSA278964  Pectocarya peninsularis B. A. Prigge, L. Martinez 1978-3-23 2411 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  UC551795  Pectocarya peninsularis F. R. Fosberg 1932-3-13 10624 Riverside Thousand Palms Canyon Comment
  UCR41528  Pectocarya peninsularis A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6017 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA496364  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3038 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA777536  Pectocarya recurvata Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 896 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SBBG6316  Pectocarya recurvata H. and M. Dearing 1941-11-29 4796 Riverside 6 mi E of Palm Springs Comment
  POM281157  Pedicularis densiflora Ethel Rush 1951-4-12 170 Riverside 1 mi. south of Aguaga, Hyway 79. Agua Tibia Mts. Loam soil. Lake Henshaw drainage, loam soil. west slope. 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
  UCR95209  Pelargonium panduriforme D. L. Banks, E. H. Banks 1996-5-2 954 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  SD138476  Pellaea mucronata Darin L. Banks, Steve Boyd 1995-3-15 71 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, Dorland Mountain area 787 Comment
  SD144514  Pellaea mucronata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19888 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  UCR91428  Pellaea mucronata Scott D. White 1995-3-30 2651 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
  RSA102270  Pellaea mucronata subsp. californica S. B. Parish, W. F. Parish 1881-08 511 Riverside San Jacinto [most likely Mount San Jacinto and not the town of San Jacinto, north of Hemet--SB] Comment
  IRVC3156  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-30 SJ 89 Riverside Santa Rosa Road. Peninsular Ranges, Santa Rosa Mountains 1585 Comment
  POM50384  Pellaea mucronata var. mucronata W. W. Eggleston 1924-3-10 19533 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  RSA686890  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
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May 13 2011
  UCR98770  Penstemon centranthifolius Scott D. White 1996-8-1 4454 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  RSA96998  Penstemon centranthifolius R. M. Straw 1953-6-6 460 Riverside 6.6 mi. S. of Banning on Idyllwild Road. Comment
  SBBG119450  Penstemon clevelandii M. Provance, K. Knudsen, P. Wester 2004-5-8 9020 Riverside ca. 0.05 mi S on Santa Rosa Mtn Rd from St Hwy 74 1402 Comment
  RSA412502  Penstemon clevelandii subsp. connatus Gale Sphon 1956-6-13 s.n. Riverside Palms to Pines Hwy Comment
  JEPS7550  Penstemon clevelandii var. connatus Marjorie D. Clary 1932-6-5 962 Riverside Dead Indian Trail Santa Rosa Mts., Carrizo Creek, Dead Indian Trail Comment
  UCR24496  Penstemon eatonii John C. Roos 1943-5-23 2676 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  UCSB7487  Penstemon heterophyllus Stoppel, Gordon 1958-5-17 Riverside Along Banning- Idyllwild Highway; about 10 miles SE of Banning Comment
  UC1409152  Penstemon heterophyllus var. australis Robert F. Thorne and Earl Lathrop 1969-6-6 39333 Riverside Rancho California , Rancho California (Santa Rosa Plateau) 609 Comment
  JOTR16854  Penstemon incertus Walters, Jim 1967-6-4 s.n. Riverside Joshua Tree National Park. 1/2 MILE WEST OF HIDDEN VALLEY CAMPGROUND 1219 Comment
  SBBG54340  Penstemon labrosus C. Davidson 1978-6-15 7386 Riverside trail to top, Santa Rosa Peak 2407 Comment
  SD229291  Penstemon rostriflorus Dick Schwenkmeyer 2011-8-25 653 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  UCR121885  Penstemon spectabilis Ian G. Gillespie 2001-5-7 87 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as the Sycamore Canyon Area. In a sandy wash at the north east corner of the intersection of Indian Truck Tr. and De Palma Rd. Associated species: Cryptantha microstachys, Hirschfeldia incana, Amsinckia menziesii. 366 Comment
  SEINET6626631  Pentagramma triangularis subsp. maxonii S. B. Parish 1907-4-18 6114 Riverside Western base of the Colorado Desert 200 Comment
  LA204570  Peritoma arborea S. Atsatt; 1926-4-17 Riverside Palm Springs Comment
  SD39386  Peritoma arborea var. angustata Jack Rempel 1931-4-11 Riverside Colorado Desert near Palm Springs Railroad Station. Comment
  JOTR16650  Peritoma arborea var. arborea Baker, James K. & Baker, Ilisa T. 1966-6-22 s.n. Riverside Joshua Tree National Park. SQUAW TANK VICINITY 1097 Comment
  JEPS34965  Perityle emoryi Lawrence Saylor 1935-3-24 214 Riverside Pinto Basin Comment
  JEPS35444  Perityle emoryi W. L. Jepson 1927-4-12 11648 a Riverside ne of Mecca; Mecca Hills, Painted Canyon 76 Comment
  UCR104801  Perityle emoryi George K. Helmkamp 1998-2-5 2648 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  RSA444948  Petalonyx thurberi Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  UCR144106  Petalonyx thurberi Scott D. White 1999-6-1 7438 Riverside Coachella Valley, Thousand Palms area. N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  SD229205  Petalonyx thurberi subsp. thurberi Dick Schwenkmeyer 2012-11-6 860 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  SD67610  Petalonyx thurberi subsp. thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. Frequent in washes and on the desert floor. Comment
  RSA612171B  Petunia parviflora Louis C. Wheeler 1932-7-9 932 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA0094189  Peucephyllum schottii Duncan S. Bell, Evan Meyer 2014-10-29 7684 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA796452  Peucephyllum schottii Duncan S. Bell 2009-4-18 226 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  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
  RSA94107  Peucephyllum schottii F. W. Peirson 1924-12-30 5423 Riverside Thousand Palms Canyon, Coachella Valley. 122 Comment
  UC24295  Phacelia brachyloba H. M. Hall June, 1901 2070 Riverside vicinity of Chalk Hill San Jacinto Mountains 1524 Comment
  RSA602426  Phacelia campanularia R. S. Woglum 1935-4-20 613 Riverside Sonoran Desert: Coachella Valley, Palm Springs.. . Comment
  UCR123753  Phacelia campanularia subsp. campanularia Steven R. Hill 2001-4-29 33529 A 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
  UCR200335  Phacelia campanularia subsp. campanularia Tasha La Doux, Jim Andre 2008-3-20 212 Riverside Sonoran (Colorado) Desert, along Hwy I-10 at Whitewater exit, on south-facing slope at White Water River crossing 418 Comment
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Nov 11 2010
  RSA0110953  Phacelia campanularia subsp. vasiformis Rofena Lewis, F. Brubaker 1926-2-22 6500 Riverside Along Boulevard below Whitewater Bridge, head of Coachella Valley. Comment
  UCR187468  Phacelia cicutaria var. hispida Diane Menuz 2006-6-6 134 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Miller Canyon, 1 hour hike from road 549 Comment
  CLARK-A1528-5436  Phacelia crenulata John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA701088  Phacelia crenulata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11248 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC572247  Phacelia crenulata var. ambigua H. S. Yates 1937-3-23 6409 Riverside 3 mi n Palm Springs; San Jacinto Quadrangle 213 Comment
  UCR165824  Phacelia crenulata var. ambigua John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA234115  Phacelia distans Robert F. Thorne, R. Carolin 1967-3-21 41645 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
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Oct 9 2010
  RSA346643  Phacelia distans Barry Burnell 1970-3-24 162 Riverside 2 miles up Tramway Road off Hwy 111 Chino Canyon, San Jacinto Mts. 457 Comment
  RSA428324A  Phacelia distans Bonnie C. Templeton 1930-4-9 1007 Riverside Palm Springs Station; Colorado Desert 400 Comment
  RSA650560  Phacelia distans Dick Slanker 1949-3-17 s.n. Riverside 10 mi. So. of Palm Springs. 61 Comment
  SD193113  Phacelia distans W. J. Schrenk 2008-4-30 87 Riverside Anza-Borrego Desert State Park, Coyote Canyon Road Comment
  UC1922055  Phacelia distans Scott D. White, Angelia Carey 2004-4-5 10016 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR41340  Phacelia distans N. M. Fellows, A. C. Sanders 1985-4-9 154 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  CLARK-A1528-562  Phacelia minor 1947-3-21 5 Riverside Rubidoux 365 Comment
  RSA428090  Phacelia minor E. Crow 1929-3-17 195 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA776234  Phacelia minor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 870 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UC1287129  Phacelia minor C. L. Hitchcock 1966-3-15 24162 Riverside hillside 3 mi e Glen Ivy Hot Springs Comment
  UCR113612  Phacelia minor A. C. Sanders 1998-1-15 21636 Riverside Lake Skinner area, rocky knob (2527 ft.) along dirt road toward Crown Valley, NE of Black Mtn. 762 Comment
  UCSB5420  Phacelia minor Mazzia, Linda 1960-5-15 Riverside 2.2 miles south of Highway 70 and 99 on road from Banning to Idyllwild on north side of San Jacinto Mountains 914 Comment
  RSA112662  Phacelia minutiflora H. D. Ripley, R. C. Barneby 4269 Riverside Desert Center. 305 Comment
  RSA703744  Phacelia neglecta LeRoy Gross 2005-3-3 1564 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  JEPS1063  Phacelia pedicellata Marjorie D. Clary 1932-4-12 1612 Riverside 8 mi w Coachella; Colorado Desert, Devil's Canyon 182 Comment
  UCR18438  Phacelia pedicellata J. Olmstead 1966-4-8 s.n. Riverside Santa Rosa Mtns., Deep Canyon Reserve, Pipestrelle Canyon, near Boyd Center. 366 Comment
  UCR261176  Phacelia ramosissima A. C. Sanders, Katie Young, John Hale 2015-4-22 41602 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  JEPS1349  Phacelia ramosissima var. latifolia W. L. Jepson 1903-8-5 2269 Riverside near meadow on side hill near Strawberry Valley; San Jacinto Mt. 1737 Comment
  UCR114539  Phalaris aquatica A. C. Sanders, K. C. Rose 1999-6-18 22807 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA649668  Phalaris lemmonii J. C. Roos 1966-3-24 s.n. Riverside Winchester (near Hemet) Comment
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Mar 20 2011
  RSA97670  Phlox austromontana R. M. Straw 1954-6-10 610 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  RSA788754  Pholistoma membranaceum R. W. Spjut 2008-2-11 16188 Riverside California Sonoran Desert. BLM: Just west of Desert Hot Springs off North Indian Canyon Drive along southside of Highway 62. 243 Comment
  UCR85177  Pholistoma membranaceum A. C. Sanders, P. J. MacKay, A. Knapp, C. L. Sanders, et al. 1995-2-19 15935 Riverside San Bernardino Mountains/Coachella Valley, Mission Canyon, along Mission Creek Rd. 1.75 mi. above Hwy 62 600 Comment
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Oct 25 2011
  POM46959  Phoradendron californicum Mary F. Spencer 1920-3-15 1504 Riverside Mecca; 197 feet below sea level -60 Comment
  RSA179  Phoradendron californicum J. T. Howell 1927-8-1 s.n. Riverside Morongo Pass. 610 Comment
  RSA420767  Phoradendron californicum M. B. Dunkle 1934-3-18 3857 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  RSA708427  Phoradendron californicum Scott D. White 2005-3-29 10830 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  RSA772004  Phoradendron californicum Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4968 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  RSA0127850  Phoradendron californicum G. Rink 2014-3-26 12447 Riverside Johnson Valley, about 1 mile south of Galway Dry Lake. 900 Comment
  CAS-BOT-BC135180  Phoradendron juniperinum H. M. Hall 1901-7-1 2565 Riverside Fuller's Mills Mountains. San Jacinto Mts. 1889 Comment
  RSA500091  Phoradendron villosum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3220 Riverside Vail Lake Area, at N end of Kolb Creek, near campground. 457 Comment
  RSA520086  Phoradendron villosum Steve D. Boyd, David E. Bramlet 1988-10-8 2878 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  SEINET2097189  Phragmites australis R. Harms 2003-4-1 Riverside San Andreas Oasis, Dos Palmas Reserve; -15 Comment
  UCR200324  Phragmites australis Steve Boyd 2007-4-20 11721 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  RSA23174  Physalis crassifolia I. L. Wiggins 1938-3-25 8926 Riverside Eagle Canyon, 3-5 miles south of Palm Springs. Comment
  RSA304172  Physalis crassifolia James R. Shevock 1972-3-5 1361 Riverside Jeep Road, Anza to Borrego Springs. 305 Comment
  UC1143156  Physalis crassifolia H. S. Yates 1937-3-23 6447 Riverside 15 mi nne Mecca; Thermal Quad. 457 Comment
  UCR147741  Physalis crassifolia Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11216 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR166862  Physalis crassifolia Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCSB16567  Physalis crassifolia Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
  UCR113861  Picris echioides Mitch Provance 2000-6-24 2056 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UC1571810  Pinus Bruce Zobel September 1950 BMH 7 Riverside n Idyllwild (on road to Black Mt.); San Bernardino National Forest 2133 Comment
  POM320781B  Pinus coulteri Anonymous 1968-11-20 s.n. Riverside Fulmor Lake. Mt. Range San Jacinto. 2134 Comment
  RSA384355  Pinus lambertiana Albert J. Perkins 1916-9-3 s.n. Riverside Idylwild, Calif. Comment
  UCR201440  Pinus monophylla Scott D. White, Justin M. Wood 2008-6-17 12187 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  CLARK-A1656-884  Pinus murrayana Jim Cornett 1977-10-7 Riverside San Jacinto Mountains 2621 Comment
  LA206305  Pinus quadrifolia A. H. Lange; 1951-5-27 sn Riverside San Jacinto Mountains, 15 mi S of Hurky Comment
  NY42732  Pinus quadrifolia J. B. Walker 1995-3-28 1289 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD68448  Pinus quadrifolia Stephen K. Langer 1995-4-8 s.n. Riverside Highway 371, approximately 0.5 miles from junction with Highway 74, Santa Rosa Mountains. 1463 Comment
  UCSB46880  Pinus quadrifolia Roos, John 1965-8-18 Riverside Summit of Pines to Palm Hwy., Thomas Valley, San jacinto Mtns. Comment
  UCR120797  Plagiobothrys acanthocarpus Ian G. Gillespie 2000-4-26 26 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
  UCR213677  Plagiobothrys acanthocarpus Stan C. Spencer 2010-3-17 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Hemet, Hemet-Ryan Airport 460 Comment
  CLARK-A1528-2260  Plagiobothrys canescens John C. Roos 1966-3-24 Riverside Winchester Comment
  UCR174377  Plagiobothrys canescens A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32625 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR213613  Plagiobothrys canescens A. C. Sanders, Matthew Malle 2010-4-23 38005 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR171894  Plagiobothrys collinus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR18127  Plagiobothrys collinus A. C. Sanders 1978-3-26 00214 Riverside Perris-Aguanga Basin region, Woodcrest area, SE of Riverside. North of Mockingbird Creek and Harley John Rd., west of Washington St. 434 Comment
  POM3724  Plagiobothrys collinus var. californicus I. M. Johnston 1918-4-27 1876 Riverside Near Corona. 274 Comment
  UCR93039  Plagiobothrys collinus var. californicus Steve Boyd 1986-4-2 1595 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR58494  Plagiobothrys fulvus var. campestris Jeri Hirshberg 1989-4-4 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, and SW of Mesa de Burro 610 Comment
  UCR67342  Plagiobothrys leptocladus A. C. Sanders 1991-4-19 10927 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  POM287294  Plagiobothrys nothofulvus Lyman Benson 1932-3-26 3176 Riverside Temecula Grade. Temecula Valley. 549 Comment
  UCR97680  Plagiobothrys nothofulvus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19911 Riverside Lake Skinner area, ridgetop (2283 foot ridge) on north side of valley in hills east of Rawson Canyon, 1 mile south of Crown Valley. 671 Comment
  RSA695840  Plagiobothrys tenellus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  UCR20646  Plagiobothrys tenellus O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UCR266778  Plagiobothrys tenellus Mitch Provance, Matt Amalong 2015-3-25 315- 24 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  SEINET272396  Plantago erecta A. C. Sanders, G Helmkamp 1997-3-15 19938 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 518 Comment
  UC888365  Plantago erecta I. W. Clokey and B. C. Templeton 1930-4-9 467 Riverside n of Banning 1100 Comment
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Mar 13 2011
  UCR4593  Plantago major R. G. Barber 1962-5-11 s.n. Riverside City of Riverside, near drainage ditch on UCR grounds at 4808 Chicago Avenue. Comment
  CAS-BOT-BC93219  Platanus racemosa Ivan Johnston 1917-4-4 1094 Riverside Andreas Canyon. 304 Comment
  SD229212  Platanus racemosa Dick Schwenkmeyer 2012-10-16 935 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCR208927  Platanus racemosa B. D. Stark 1933-1 5555 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Andreas Canyon 457 Comment
  SBBG123195  Plecostachys serpyllifolia R. E. Riefner 2008-12-16 08 -369 Riverside Pechanga Parkway at Pechanga Resort Drive; Temecula 338 Comment
  RSA751421  Plectritis ciliosa A. C. Sanders, Tim Thomas 2008-6-20 35540 Riverside May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA778493  Pleuraphis rigida Duncan S. Bell 2009-3-8 60 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
  UC1979868  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 803 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Chuckwalla Mountas, North side, Alligator ACEC off I-10, south of Desert Center, in hills above Granite Mine. Comment
  HSC66615  Pleurocoronis pluriseta Christopher Davidson, Josephine Jones 1980-4-4 9948 Riverside Orocopia Mtns., W end of mountains almost due S of Oro Peak 518 Comment
  RSA676058  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  JEPS40452  Pluchea odorata var. odorata Marjorie Clary 1928-10-12 345 Riverside Thermal Comment
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Aug 27 2016
  CAS-BOT-BC326545  Pluchea sericea H. S. Gentry 1954-7-25 14248 Riverside Aguanga Comment
  SEINET10886873  Pluchea sericea Greg Gust, Leith Nye 2005-3-10 Gust 534 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  UCD90508  Poa bigelovii F. M. Reed 1920-3-24 4187 Riverside Palm Springs District. Colorado Desert. Murray Canyon. Comment
  CAS-BOT-BC255663  Poa bigelovii S. B. Parish 1907-4-18 6139 Riverside Tahquitz Canon, W edge of the Colorado desert 200 Comment
  RSA734614  Poa pratensis Keith E. Hoffmaster 1937-6-6 784 Riverside San Jacinto mountains, near Hemet Lake Comment
  UCR3215  Poa pratensis V. L. McFarland 1964-5-21 s.n. Riverside San Bernardino/ upper Santa Ana River Valley, Riverside, lawn of Faculty Club on UCR campus 335 Comment
  UCR189814  Polygala cornuta var. fishiae Theresa Johnson 2007-5-2 332 Riverside Peninsular Range, Santa Ana Mountains, Santa Rosa Plateau. Near Mesa de Burro Comment
  RSA155556  Polygonum argyrocoleon L. S. Rose 1962-3-2 62011 Riverside La Quinta 3 Comment
  UC454281  Polygonum bistortoides I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  UCR278883  Polygonum punctatum Mitch Provance 2012-11-10 17603 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  UCSC001088  Polypodium hesperium Peter Kamb 1947-10-4 2 Riverside Snow Creek, San Jacinto Mt. Comment
  RSA772337  Polypogon australis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4518 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA588606  Polypogon maritimus D. L. Banks, Steve Boyd 1995-10-17 0816 B Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR156101  Polypogon monspeliensis T. B. Salvato, Kent Beaman 2005-5-16 846 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
  UCR160845  Polypogon monspeliensis T. B. Salvato, Kelly Volansky 2003-3-27 118 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR42327  Polypogon monspeliensis N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 172 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
  IRVC174  Polystichum imbricans subsp. curtum Mike McCartin 1965-4-24 HS 551 Riverside highway 74; Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  SEINET12240499  Poncirus trifoliata A. C. Sanders, Krueger, R. 2010-4-29 38112 Riverside Riverside, UCR Citrus Variety Collection, Agricultural Operations area, near int of Canyon Crest Dr 317 Comment
  CAS-BOT-BC356166  Porophyllum gracile Carl B. Wolf 1932-4-29 3093 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  UC63187  Porophyllum gracile H. M. Hall May 1901 1864 Riverside along the borders of the, Eastern base Colorado Desert Comment
  UCR172250  Porophyllum gracile John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR110406  Portulaca oleracea A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23175 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-BC452155  Potamogeton diversifolius H. M. Hall 1901-7-1 2490 Riverside San Jacinto Mt. In Surprise Lake Comment
  SD233355  Potentilla glandulosa subsp. glandulosa R. F. Thorne, E. W. Lathrop 1977-5-18 49765 Riverside Santa Ana Mountains: Camp Potrero [near junction of Tenaja Truck Trail and Ortega Highway (74)]. Comment
  POM366544  Potentilla glandulosa var. nevadensis M. B. Dunkle 1933-7-22 3747 Riverside Tahquitz Valley. 2317 Comment
  POM12094  Potentilla gracilis var. elmeri Mary F. Spencer 1921-6-10 1860 Riverside Idyllwild. 1616 Comment
  RSA499227  Potentilla gracilis var. fastigiata E. C. Jaeger 1921-7-6 s.n. Riverside Upper Stone Creek above Banning Road. 1616 Comment
  UC1746640  Potentilla norvegica T. Schram and D. Wappler 1994-7-14 Riverside Lake Hemet San Jacinto Mountains Comment
  CAS-BOT-BC144849  Potentilla rimicola Ralph Hoffman 1929-9-6 s.n. Riverside San Jacinto Mt. 2438 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
  RSA0040119  Prosopis glandulosa Joseph Brehm 1933-7-5 4943 Riverside Collected at Dos Palmas ACEC along the north fence, 0.5-1 mile north of Aquafarms. Comment
  RSA770882  Prosopis glandulosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4606 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC206983  Prosopis glandulosa var. torreyana F. P. Cronemiller 1927-5-11 3016 Riverside Oak Park R.S., Cleveland Forest 762 Comment
  POM275714  Prosopis glandulosa var. torreyana Lyman D. Benson 1942-8-11 11309 Riverside 20 miles west of Blyther 305 Comment
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Jul 10 2012
  UCSB18785  Prosopis glandulosa var. torreyana Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 31 miles E of Desert Center 243 Comment
  UCD170965  Prunus caroliniana A. C. Sanders 2002-3-20 24899 Riverside Western Colorado Desert: Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo. 137 Comment
  JEPS44711  Prunus emarginata Carl V. Meyer 1928-7-31 606 Riverside Tahquitz Valley Comment
  CHSC34552  Prunus fremontii John A. Hall 1971-2-15 3 Riverside Ca. 36 mi. SE of Hemet, ca. 6 mi. SE of Anza on Coyote Cyn. trail in Santa Rosa Mtns. 1127 Comment
  UCD166228  Prunus fremontii Jack Major 1962-4-16 771 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  SEINET3101944  Prunus virginiana var. demissa Marc A. Baker, Michelle Cloud-Hughes 2011-6-12 17371 Riverside Goff Flat, 5.5km southwest of Pyramid Peak. 1625 Comment
  CAS-BOT-BC356329  Psathyrotes ramosissima H. M. Hall 1905-5-1 5864 Riverside Colorado Desert. Chuckawalla [Chuckwalla] Springs Comment
  RSA472309  Psathyrotes ramosissima Christopher Davidson 1979-4-4 7681 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA550274  Psathyrotes ramosissima Walter Wisura, John Dolan, Michael Wall 1992-3-24 4622 Riverside Lowdesert: 6.0mi NE of Mecca on Box Canyon Rd. Comment
  UC74033  Psathyrotes ramosissima M. F. Gilman 1904-1 46 Riverside Banning Comment
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Mar 13 2011
  UC829345  Psathyrotes ramosissima Lewis S. Rose 1936-12-20 36795 Riverside 10 mi e Garnet (L. A. Aqueduct road) Comment
  UCR166855  Psathyrotes ramosissima Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR41231  Pseudognaphalium biolettii N. M. Fellows 1985-1-5 67 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  RSA674601  Pseudognaphalium stramineum Scott D. White 2000-8-5 8099 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA0124290  Pseudotsuga macrocarpa Duncan S. Bell 2016-4-16 9333 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SEINET10530886  Pseudotsuga macrocarpa David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46547 Riverside Collected in the San Jacinto Mts. above Idylwild. At the base of the trail to Taquitz Peak. 2286 Comment
  RSA563910  Psilocarphus brevissimus A. C. Sanders 1993-4-5 13687 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  UCR281249  Psilocarphus brevissimus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 37 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  UCR251349  Psorothamnus arborescens var. simplicifolius S. J. Myers 2014-5-21 1065 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  RSA651257  Psorothamnus emoryi Anne Greenberg 1981-5-17 104 Riverside Palm Desert, Hwy 74, 5 iles N of Hwy 111. Comment
  SEINET3131125  Psorothamnus emoryi var. emoryi M. J. Gilman 1904-1 52 Riverside Colorado Desert Comment
  CAS-BOT-BC352324  Psorothamnus fremontii var. fremontii Robert F. Thorne 1964-5-3 33849 Riverside near hwy., ca. 4 miles S of Morongo Valley and ca. 3 miles S of San Bernardino County line. Comment
  CAS-BOT-BC340896  Psorothamnus schottii Carl B. Wolf 1932-4-27 3057 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  CAS-BOT-BC340907  Psorothamnus schottii Annie M. Alexander; Louise Kellogg 1941-5-12 2161 Riverside Colorado Desert. Road to Black Eagle Mine, Eagle Mountains 777 Comment
  POM295546  Psorothamnus schottii Lyman D. Benson, Robert Benson 1952-4-8 14849 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  SDSU7847  Psorothamnus schottii Thomas A. Zink 1971-4-1 Riverside Alongside Berdoo Canyon Rd. 8 miles north of Dillon Road. 549 Comment
  UC998912  Psorothamnus schottii H. J. Fuller 1942-4-18 Riverside near Mecca (Mojave Desert); , near Mecca Comment
  POM96259  Psorothamnus schottii E. C. Jaeger 1925-12-20 s.n. Riverside Fish traps. 3 Comment
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Feb 3 2011
  UC52157  Psorothamnus spinosus E. E. Schellenger July 25 1903-Aug 14, 1903 3 Riverside Chuckawalla Bench, Colorado Desert Comment
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Aug 27 2016
  UCSB3065  Psorothamnus spinosus Keator, Glenn 1959-5-17 Riverside West edge of Colorado Desert between Palm Desert and Palm Springs Comment
  GMDRC6574  Pteridium aquilinum var. pubescens J. M. Andre 2012-6-15 30531 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  RSA467852  Pterospora andromedea Christopher Davidson 1978-6-15 7395 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  CAS-BOT-BC421262  Pterostegia drymarioides Winfield 1975-4-27 2367 Riverside Snow Creek Rd. ~3 mi from Hiway 111 Comment
  UCR14545  Pulicaria paludosa O. F. Clarke 1974-11-14 s.n. Riverside Riverside, Santa Ana Riverbottom Park Comment
  JOTR30779  Purshia tridentata var. glandulosa La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1889 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 7) Covington Flats near top of Smith Water Canyon 1365 Comment
  RSA772009  Purshia tridentata var. glandulosa Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4964 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCR266607  Quercus Mitch Provance 2009-9-10 17426 Riverside San Bernardino Mountains, Banning, beneath SCE lines, about 0.95 mi N of the intersection of Florian St. and W Gilman 909 Comment
  JEPS37680  Quercus X morehus W. L. Jepson May 17 1901-Jun 1 1901 1444 Riverside Santa Rosa Indian Village Comment
  UCR193490  Quercus X morehus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35609 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  RSA600566  Quercus agrifolia Louis C. Wheeler 1962-7-26 8181 Riverside Temescal Valley. Comment
  UCR270755  Quercus agrifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8368 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  RSA476773  Quercus berberidifolia E. Crow 1929-4-21 345 Riverside Near Lake Elsinore Comment
  SD229166  Quercus berberidifolia Dick Schwenkmeyer 2012-3-26 658 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  SDSU13905  Quercus berberidifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2130 Riverside Santa Margarita Ecological Reserve (SDSU), southeast region, El Valle meadow. 648 Comment
  SEINET3101943  Quercus berberidifolia Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17369 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  UCR141960  Quercus berberidifolia A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24970 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR250921  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 5 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR262242  Quercus berberidifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3719 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR273000  Quercus berberidifolia Mitch Provance 2012-8-30 17432 Riverside San Bernardino Mountains, Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River 1067 Comment
  SDSU6965  Quercus chrysolepis H. Wedberg 1962-7-28 989 Riverside About 1 mile from Mountain Center on the road to Hemet. 1280 Comment
  SFV871  Quercus chrysolepis P. G. Kilburn 1958-5-30 831 Riverside San Jacinto Mountains Mount San Jacinto, 5 miles north of Idlewild. Fern Basin Campground. 1890 Comment
  UCD45607  Quercus cornelius-mulleri J. M. Tucker; D. Q. Cavagnaro 1965-10-2 3887 Riverside Joshua Tree National Monument, Riverside County, California. Comment
  UCR209403  Quercus cornelius-mulleri G. F. Pratt 2009-9-27 s.n. Riverside Peninsular Range, 6 miles south of Anza, Terwilliger Valley, eastern slope of Iron Spring Mountain 1264 Comment
  RSA763064  Quercus dumosa E. W. Lathrop 1969-6-5 7092 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SEINET2066423 Image available Quercus dumosa B. Pitzer, Jack Easton 1987-3-10 412 Riverside Anza Area, hills S of Thomas Mtn., ca. 3 miles E of town of Anza on N side of Hwy 371, Butterfly Peak Quad. 1341 Comment
  SEINET2066424 Image available Quercus dumosa David Charlton 1988-5-21 1914 Riverside Thomas Mtn.,Road, from N to S, W of Garner Valley and S of Lake Hemet on Hwy 74. 1676 Comment
  UCR109965  Quercus ilex A. C. Sanders 1997-5-12 20711 Riverside Riverside, east side of UCR campus along wash below Botanical Garden, near parking lot 13 335 Comment
  UCR113553  Quercus palmeri Mitch Provance 1998-4-14 441 Riverside Jurupa Mtns., Rattlesnake Mtn., Crestmore Heights, knoll (1542), c. 4.2 km NW of downtown Riverside 400 Comment
  RSA748222  Quercus wislizeni var. frutescens T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 113 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 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
  POM182081  Rafinesquia neomexicana P. A. Munz 1932-3-14 11977 Riverside Deep Canyon, Coachella Valley 91 Comment
  RSA775440  Rafinesquia neomexicana Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4442 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
  RSA775941  Rafinesquia neomexicana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 951 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  SD45166  Rafinesquia neomexicana Helen K. Sharsmith 1952-4-10 4059 Riverside Joshua Tree National Monument, 5 miles northeast of Cottonwood Springs Smoke Tree Wash 854 Comment
  UCR214290  Rafinesquia neomexicana A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37483 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
  UCR241712  Rafinesquia neomexicana Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 43 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  SD152770  Ranunculus hebecarpus Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6759 Riverside Santa Ana Mountains, San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/Morgan Tr. S to Pigeon Spring area 671 Comment
  SEINET8727730 Image available Raphanus sativus Jean Coulson 1959-1 s.n. Riverside Riverside; N. W. corner, Canyon Crest & Linden. 2007 Comment
  SEINET1004353  Rhamnaceae A. C. Sanders, Mike Misenhelter 2004-1 28836 Riverside Santa Ana Mtns./Santa Rosa Plateau: hill 2139 at west end of the Mesa de Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve(Wildormar 7.5' Q) 640 Comment
  RSA391108  Rhamnus ilicifolia Christopher Davidson 1977-5-18 5620 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UCR92192  Rhamnus ilicifolia D. L. Banks, Steve Boyd 1995-3-16 0096 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  VVC445  Rhamnus ilicifolia Markell Kohn 1959-4-20 s.n. Riverside Box Springs Mtns, On Stone Ranch Rd 3 mi SW of intersection of Pigeon Pass/Stone Ranch Rds. 50 yds N of northern most radio station. 579 Comment
  UC2029920  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam DeVries 2000-4-5 7731 Riverside TEMESCAL VALLEY: Corona area, eastern foothills of Santa Ana Mts. just above citrus groves. Comment
  RSA0026887  Rhododendron occidentale var. californicum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCSB3767  Rhus aromatica Haller, Norman 1953-5-23 Riverside Highway 74, Cranston Ranger Station, 7 miles E. of Hemet 609 Comment
  RSA594509  Rhus ovata D. L. Banks, Dylan Hannon 1996-5-3 996 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
  RSA702741  Rhus ovata Scott D. White, Michael Honer 2004-4-6 10045 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UC472805  Rhus ovata Mary F. Spencer Aug 1925 287 Riverside Idyllwild; San Jacinto Mountains 1524 Comment
  UCR3294  Rhus ovata T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mtns, North Mountain [=Mt. Edna?], Old Banning-Idyllwild Rd., 1/4 [mi.] south of Wolfskill Extension 945 Comment
  POM243649  Rhus trilobata var. pilosissima E. C. Jaeger 1938-5-20 s.n. Riverside Keye s Ranch. Joshua Tree Natl. Monument. 1311 Comment
  RSA698893  Ribes cereum J. R. Bruff 1934-7-5 s.n. Riverside [San Jacinto Mts.] 2439 Comment
  UCR102727  Ribes indecorum B. G. Pitzer 1998-1-25 3415 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR76771  Ribes indecorum Scott D. White 1992-3-29 92- 55 Riverside San Bernardino Mtns, Millard Canyon. Steep W facing slope below fork with East Millard Cyn Rd. Comment
  RSA221080  Ribes malvaceum var. viridifolium E. W. Lathrop 1966-5-8 6424 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SD152829  Ribes malvaceum var. viridifolium Steve Boyd, Tim Ross 1992-5-5 7237 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along the Bluewater Trail 730 Comment
  SD128273  Ribes nevadense R. Mitchel Beauchamp 1971-5-15 2422 Riverside San Jacinto Moutains Black Mountain Campground Comment
  UCSB2648  Ribes nevadense Ralph, F. 1959-5-16 Riverside growing near Jolley Springs; on The Devil's Slide Trail; in the Wilderness area of Mt. San Jacinto State Park; San Jacinto Mtns 2133 Comment
  RSA5919  Ribes nevadense var. jaegeri Carl B. Wolf 1932-8-5 3968 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. Above the small stream and meadows feeding Tahquitz Creek. 2805 Comment
  UCR154628  Ribes quercetorum A. C. Sanders, Mike Misenhelter 2005-6-15 31003 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
  RSA662133  Ricinus communis Carol Zuck 1981-2-16 32 Riverside 1 mi east of I-15 on Cajelco Rd. Comment
  SDSU17733  Rorippa nasturtium-aquaticum D. C. Estrella, M. G. Simpson 2002-4-20 28 Riverside Shallow, acquatic pool. Santa Margarita Ecological Preserve. 229 Comment
  UCR91722  Rorippa nasturtium-aquaticum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18112 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  UCR188225  Rosa californica Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1698 Riverside San Jacinto Mountains, east of Fobes Ranch Road, about 1.5 mi south of Fobes Ranch 1616 Comment
  RSA160533  Rubus parviflorus John Olmsted 1958-6-15 168 Riverside Dark Canyon at intersection of N Fork San Jacinto R with Idyllwild Banning Road, San Jacinto Mtns. 1509 Comment
  POM204505  Rumex acetosella M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  POM10265  Rumex conglomeratus F. M. Reed 1904-6-5 s.n. Riverside Fairmont Park. Comment
  UC56650  Rumex crispus Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  SD239867  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37695 Riverside Peninsular Range: foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1/2 mile west of Lake St. on north side of I-15, near Temescal Canyon Road undercrossing, at north edge of Concordia Ranch Road (Alberhill 7.5'Q) 370 Comment
  UCR90773  Rumex maritimus D. E. Bramlet 1995-5-5 2406 Riverside Perris-Aguanga Basin region, 7.5 km west of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs) 435 Comment
  RSA601678  Rumex obtusifolius Louis C. Wheeler 1933-8-5 2059 Riverside Millard's Canyon at foot of falls San Bernardino Mountains. 579 Comment
  RSA667134  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Temecula, Long Canyon west of Del Rey Rd., along bottom of Canyon W of junction of Av. Pina Colada 345 Comment
  UCR116591  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  RSA477743  Sagina saginoides Kessler 1921-9-1 s.n. Riverside Mt. San Jacinto. Comment
  RSA711992  Sagittaria latifolia S. J. Myers 1996-5-17 s.n. Riverside River Road bridge over the Santa Ana River 152 Comment
  UCR85247  Salazaria mexicana A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15988 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
  POM281401  Salix exigua H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UCR171899  Salix exigua John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  JOTR30774  Salix exigua var. exigua La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1886 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  SD137624  Salix gooddingii Darin L. Banks, Steve Boyd 1995-4-5 141 Riverside Cleveland National Forest, N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 658 Comment
  RSA0010971  Salix hindsiana L. T. Street, M. Durant 1918-5-12 23 Riverside San Jacinto River Canyon Comment
  RSA596146  Salix laevigata D. L. Banks 1996-11-7 1194 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 473 Comment
  RSA770441  Salix laevigata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4573 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD80051  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1970-3-27 268 Riverside Andreas Canyon, east slope San Jacinto Mts. 305 Comment
  UC506453  Salix laevigata Carl Hedin and Joseph Ewan 1932-7-9 7678 Riverside near Prado (below Corona); China Creek Comment
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Dec 11 2011
  SD108927  Salix lasiandra var. lasiandra James Henrickson 1973-3-18 8617 Riverside Ca 37 (air) miles east of Temecula, on Coyote Canyon Trail, SE of Terwilliger, ca 3 miles N of San Diego Co. line Comment
  POM319098  Salix lasiolepis Patricia Wilder 1971-2-4 4917 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  UC914201  Salix lasiolepis Charles B. Fiker May 30 1936-Apr 2 1946 3355 Riverside on Hwy. 395 s. of Temecula bridge Comment
  UCR133107  Salix lasiolepis 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
  UCR215612  Salix lasiolepis Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 10 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCR13438  Salix lucida subsp. lasiandra Mike McCloskey 1973-5-10 s.n. Riverside Riverside, Santa Ana River bed a few hundred yards east of Union Pacific RR crossing 229 Comment
  LA208849  Salix lutea Carl Epling; 1937-5-24 sn Riverside San Jacinto Mountains, near Tauquitz Meadow Comment
  RSA0047257  Saltugilia australis J. Mark Porter, Leigh A. Johnson 1997-3-10 11461 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  RSA714635  Saltugilia australis A. C. Sanders, D. Malueg 2003-5-8 26573 Riverside Perris-Aguanga Basin region: 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. 396 Comment
  UCR106417  Saltugilia australis George K. Helmkamp, A. C. Sanders 1997-3-15 1500 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  RSA469682  Saltugilia splendens N. C. Cooper 1944-7-16 1560 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  CLARK-A1656-791  Salvia apiana Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 1188 Comment
  RSA411320  Salvia apiana Larry E. DeBuhr 1977-5-6 2589 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  RSA770780  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4618 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCLA55212  Salvia apiana C. Epling and Mrs. Epling 1937-6-6 B Riverside 0.6 mi below Palms to Pines Hwy. (Palmes-Pines Hwy) Comment
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Dec 18 2011
  UCR103172  Salvia apiana Scott D. White, Julie Greene 1997-3-12 4779 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR163422  Salvia coccinea B. G. Pitzer 2001-9-19 s.n. Riverside Riverside: UCR Campus, on Eucalyptus Dr. 335 Comment
  SDSU7473  Salvia columbariae Pamela A. Beare 1992-3-13 13 III92C Riverside just norh of Box Canyon road. approx 7 miles ca. east of Painted Canyon Road, east of Mecca. Comment
  UCR116532  Salvia columbariae A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24182 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
  UCR279540  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-29 43185 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  CAS-BOT-BC221086  Salvia eremostachya Philip A. Munz 1937-5-30 15109 Riverside Dos Palmos [Palmas] Spring, north end Santa Rosa Mts. 1097 Comment
  LA69691  Salvia eremostachya Elizabeth McClintock; 1941-5-30 sn Riverside Coyote Canyon, near Tule Creek Comment
  RSA295248  Salvia eremostachya N. R. Zabriskie, Walter Zabriskie 1972-3-30 503 Riverside below Pinyon Crest in Chapman s Rancheros area toward Dos Palmas Spring; northwest of Hwy 74 in Santa Rosa Mts. 1098 Comment
  CAS-BOT-BC226137  Salvia greatae Peter H. Raven 1958-5-5 12907 Riverside East of Coachella Canal 3.6 miles on a road up the south side of the Orocopia Mountains Comment
  POM98734  Salvia greatae M. Hill, M. Canby 1926-03 s.n. Riverside Wash east of Dos Palmos. Comment
  RSA637525  Salvia leucophylla Scott D. White 1998-9-4 7101 Riverside Beaumont: Oak Valley Golf Course Flood detention basin along intermittent channel just above (i.e N side) of golf course. 762 Comment
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Jun 8 2020
  RSA543163  Salvia mellifera Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6093 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA717684  Salvia mellifera A. C. Sanders 2004-5-5 27775 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
  UCR174264  Salvia mellifera A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32671 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., near stream crossing of dirt road 549 Comment
  UCR174967  Salvia mellifera Teresa Nieto 2005-4-24 18 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR251936  Salvia mellifera Harun Bektas 2011-4-26 15 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCLA69827  Salvia mohavensis C. Epling and Wm. Robison 1933-6-27 Riverside 5 mi s Gold Coin Mine; Little San Bernardino Mts. Comment
  RSA434171  Salvia pachyphylla subsp. pachyphylla Albert J. Perkins 1915-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Peak. Comment
  SEINET7048155  Sambucus caerulea Steven R. Hill 2001-5-3 33656 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  CAS-BOT-BC238860  Sambucus nigra subsp. caerulea Carl B. Wolf 1932-8-6 3991 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  HSC85419  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Temescal Canyon, between Indian Truck Trail and Horsethief Wash 366 Comment
  SD152966  Sanicula bipinnatifida Steve Boyd, Tim Ross 1992-3-31 6770 Riverside Santa Ana Mountains; on Elsinore Peak. 1014 Comment
  UCR97459  Sanicula bipinnatifida A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19760 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA674616  Sanicula crassicaulis Scott D. White, Sandy Leatherman 2000-5-31 7982 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  CLARK-A1528-289  Santolina chamaecyparissus Oscar F. Clarke 1973-5-29 OO 112 Riverside Riverside 274 Comment
  POM12869  Sarcodes sanguinea P. A. Munz 1922-6-28 5884 Riverside Mts. above Santa Rosa. 2409 Comment
  RSA489841  Sarcodes sanguinea D. Charlton 1988-5-28 2125 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  UCR139096  Sarcostemma cynanchoides B. G. Pitzer 1989-4-16 1309 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 4 km west of Tabaseca Tank, in impact area 620 Comment
  LA105131  Saxifraga Frank C. Vasek; 1987-7-14 Riverside San Jacinto Mountains, San Jacinto Mountains, Vista Grande Road (3S08) 1.0 mi E of Banning-Idyllwild Road (SH243) 1523 Comment
  UCR35277  Saxifraga californica L. B. Ziegler 1974-4-2 523 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  RSA0094894  Schinus terebinthifolius A. C. Sanders, Jeff Crain 2015-5-20 41740 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill. 363 Comment
  UCR111758  Schinus terebinthifolius 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
  CAS-BOT-BC239933  Schismus arabicus Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6464 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  RSA0105293  Schismus arabicus Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7746 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5 air miles northeast of the summit of Martinez Mountain. 266 Comment
  UCR241545  Schismus arabicus A. C. Sanders, Ann Howald 2013-2-27 40550 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  CHSC109698  Schismus barbatus Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10474 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs tram station. Comment
  UCR138724  Schismus barbatus Julie A. Greene 1993-4-17 1189 Riverside San Jacinto Valley, San Jacinto Wildlife Area, flat area west of Davis Rd 445 Comment
  CAS-BOT-BC111548  Schoenoplectus americanus R. D. Alderson 1895-3-31 956 Riverside Palmetto Springs, Colorado Desert 274 Comment
  RSA660242  Schoenoplectus maritimus M. Duke, Christy Hightower, C. McElroy 1982-5-15 14 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  UCR94485  Scribneria bolanderi Steve Boyd 1995-5-13 8510 Riverside Santa Ana Mtns, W of 'Onion Hill', SE of Elsinore Peak Area along trail following old Main Divide Road grade. 1006 Comment
  CAS-BOT-BC238464  Scrophularia L. R. Abrams 1941-4-21 13874 Riverside Mt. Rubidoux, Riverside Comment
  UCR174534  Scrophularia californica Jennifer H. Jones 2006-4-7 262 Riverside Peninsular Ranges, Box Springs Mtns. Reserve; A couple hundred feet up hill east of service road, just SE of the parking lot 732 Comment
  POM10106  Scrophularia californica subsp. floribunda Charlotte M. Wilder 1904-4-30 139 Riverside West Riverside. Comment
  RSA134385  Scutellaria bolanderi subsp. austromontana Harlan Lewis 1941-7-30 s.n. Riverside San Jacinto Mountains: Lake Hemet. Comment
  RSA0104949  Scutellaria siphocampyloides Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8568 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  UC1608219  Scutellaria tuberosa Steve Boyd 1992-4-14 6811 Riverside w edge of Oak Flats area (along Bluewater Trail from Verdugo Trail s to crest of ridge w side Bluewater Cyn.); Santa Ana Mountains, San Mateo Cyn Wildernessa Area 731 Comment
  RSA618159  Secale cereale D. L. Banks 1997-5-5 2026 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of the casino, approximately 100 m south of the intersection of Pala Road and Wolf Valley Road 335 Comment
  CAS-BOT-BC69806  Selaginella bigelovii S. B. Parish 1907-4-18 6110 Riverside West Canyon, Palm Springs, western edge of the Colorado desert. 200 Comment
  POM11410  Selaginella bigelovii Fred M. Reed 1919-4-4 4113 Riverside Palm Springs Canyon Comment
  RSA757779  Selaginella bigelovii LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4329 Riverside Whitewater Canyon., Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. This collection near 871 Comment
  UCR101427  Selaginella bigelovii A. C. Sanders 1997-3-19 20026 Riverside Lake Skinner area, hills at east foot of Bachelor Mtn., 0.5 km north of NE arm of lake, small canyon at N foot of 1700 ft. hill 488 Comment
  LA209669  Selaginella eremophila Lawrence L. Kiefer; 1964-3-1 1255 Riverside San Jacinto Mountains, Palm Canyon, above the parking lot 457 Comment
  RSA5437  Selaginella watsonii C