Search Results — 2000 specimen records retrieved (1899 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/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA516941  Abronia villosa C. L. Lundell, Amelia A. Lundell 1964-3-27 18449 Riverside Coachella Valley, Palm Springs Comment
  UC1136563  Abronia villosa H. S. Yates 1936-4-7 5543 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle Comment
  UCR116812  Abronia villosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23942 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR90170  Abronia villosa R. W. Scora 1966-4-1 3028 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  POM746  Abronia villosa var. aurita Jenkins, Steele 1917-5-30 1935 Riverside San Jacinto. Comment
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Mar 1 2014
  RSA788563  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  UC454270  Abronia villosa var. aurita I. J. Condit 1910-6-24 Riverside Along San Jacinto River Valley San Jacinto Mts, San Jacinto River Valley Comment
  RSA682171  Abronia villosa var. villosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10468 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR228397  Abronia villosa var. villosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 171 Riverside Northeastern Colorado (Sonoran) Desert, Mecca Hills Wilderness, off Box Canyon Road (66th St./Hwy 195), campground east of Mecca 198 Comment
  UCR9834  Acamptopappus sphaerocephalus K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  POM11903  Acer negundo subsp. californicum Philip A. Munz 1922-6-24 5804 Riverside Hemet Valley, San Jacinto Mountains, occasional along upper parts of Pipe Creek 1585 Comment
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May 28 2011
  POM353066  Achnatherum coronatum N. C. Cooper 1944-5-6 1216 Riverside Banning. 701 Comment
  POM365981  Achnatherum hymenoides Martha Hilend 1928-3-11 107 Riverside About 6 miles SE of Garnet Station Comment
  UC39994  Achnatherum parishii H. M. Hall May 1899 1167 Riverside Coyote Creek San Jacinto Mountains, El Toro Mt. 1524 Comment
  RSA771664  Achnatherum speciosum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4904 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
  SD8105  Achyronychia cooperi S. B. Parish, W. F. Parish Apr 1882 Riverside Agua Caliente, Palm CaA'on of San Jacinto Mountain. Comment
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Jul 16 2010
  UCR103363  Achyronychia cooperi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2747 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  SEINET957371  Acmispon grandiflorus L. B. Ziegler 1968-1 327 Riverside San Jacinto Mountians- Strawberry Valley. Yellow Pine Forest. 1951 Comment
  UCR256896  Acmispon grandiflorus var. grandiflorus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6156 Riverside Peninsular Range; San Jacinto Mtns., Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley 1799 Comment
  RSA799086  Acmispon rigidus Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6883 Riverside South side of Joshua Tree National Park, Cottonwood Spring 884 Comment
  UCR234760  Acourtia microcephala A. C. Sanders, John F. Green 2012-6-25 40311 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  RSA33594  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1944-6-4 1342 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  JEPS44821 Image available Adenostoma sparsifolium W. L. Jepson 1903-8-6 2284 Riverside San Jacinto Mt., Chalk Hill 1371 Comment
  RSA679175  Adenostoma sparsifolium Richard L. Zembal 2003-7-11 5962 Riverside Santa Ana Mtns.: Just east of Bear Creek, 0.5km Upper San Juan Campground. On gentle ridge with north-facing aspect 668 Comment
  UCD112516  Adenostoma sparsifolium Donald Myrick 1964-4-29 810 Riverside Palms Highway 74, 15 miles E of Hemet. 1219 Comment
  UCR129814  Adenostoma sparsifolium Fred M. Roberts 2003-7-11 5962 Riverside Santa Ana Mtns., just east of Bear Creek, 0.5 km SE Upper San Juan Campground 668 Comment
  POM13637  Adiantum capillus-veneris E. C. Jaeger 1922-4-15 1037 Riverside Eagle Canyon, 5 miles south-east of Palm Springs. Comment
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Aug 3 2011
  SD82401  Adiantum capillus-veneris Albert C. Copeland Unknown 2637 Riverside Temecula CaA'on Comment
  UC1971487  Adiantum capillus-veneris Louis C. Wheeler 1963-3-17 8245 Riverside SANTA ROSA MOUNTAINS: Martinez Canyon. Comment
  RSA586096  Adiantum jordanii Darin L. Banks, Steve Boyd 1995-3-30 119 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  SEINET10534193  Agave deserti A. K. Evans 1976-4-13 Evans 5135 Riverside Rocky slopes of Santa Rosa mountains. Comment
  POM11495  Agave deserti subsp. deserti Philip A. Munz 1922-7-1 5942 Riverside 1 mile SE of Old Nicholas Canyon. Santa Rosa Mtns. 1463 Comment
  UCR23237  Agoseris retrorsa J. C. Lyman 1981-5-15 s.n. Riverside San Jacinto Mtns, May Valley Road, Idyllwild Comment
  CAS-BOT-BC249029  Agrostis A. C. Sanders; Mitch Provance 2008-7-11 35808 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA5908  Agrostis idahoensis C. B. Wolf 1932-8-5 3945 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  SD28105  Agrostis idahoensis Carl B. Wolf 1932-8-5 3963 Riverside San Jacinto Mountains, first real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak. Head of fork of Tahquitz Creek. 2743 Comment
  UCSB10610  Allenrolfea occidentalis Gill, Robert 1959-11-22 Riverside Hot Mineral Springs - Salton Sea; Colorado Desert drainage area Comment
  RSA784964  Allionia incarnata Duncan S. Bell 2012-3-18 3228 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  JEPS121591  Allionia incarnata var. incarnata Adam C. Schneider with Will Freyman 2014-2-16 386 Riverside Box Canyon Road. Comment
  UCSB17640  Allium fimbriatum Keith, Sheldon 1963-5-5 Riverside W of Pinyon Flats Campground, 21.3 miles SE of Mountain Center on California State Highway 74 1219 Comment
  CAS-BOT-BC131979  Allium haematochiton S. Mashayekhi; M. Biabani 2008-4-6 SM 010 Riverside Ortega Hwy 74, 5.9 miles from S. main divide, below the Radio Tower 971 Comment
  RSA0000107  Allium haematochiton J. C. Marvin 1921-4-1 3408 Riverside Near Banning. Comment
  RSA100190  Allium haematochiton I. T. Weeks 1955-5-4 s.n. Riverside 1/2 mile east of Gorgeous George s turkey ranch, northwest of Beaumont. Comment
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Jun 15 2011
  RSA395903  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  RSA702415  Allium haematochiton Steve Boyd, Aydee Virgen 2004-4-13 10859 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR121646  Allium haematochiton A. C. Sanders, Kent Beaman 2002-5-10 25053 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  UCR228840  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 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
  RSA680845  Allium munzii Scott D. White, Michael Honer 2003-4-2 8915 Riverside Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  JOTR35461  Allium parishii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 64 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  RSA556518  Allium praecox Julie Greene 1993-4-10 1130 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. El Casco 7.5 USGS Quad. R2W, T3S, Center of the SW/4 of Section 29. 475 Comment
  SEINET2444448  Allophyllum glutinosum Steve Boyd, Tim Ross 1990-5-11 4623 Riverside Vail Lake. Base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy 79. 549 Comment
  SD217239  Alnus rhombifolia Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6653 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  UCR42375  Amaranthus albus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 191 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR89979  Amaranthus albus Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  HSC82841  Amaranthus arenicola A. C. Sanders 1985-8-24 5949 Riverside Near Oasis in the lower Coachella Valley, on the E side of Hwy. 195, ca. 0.5 mi. N of the intersection with Hwy. 86 and just N of Ave. 76 -52 Comment
  RSA736979  Amaranthus blitoides Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10669 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR17540  Amaranthus californicus O. F. Clarke 1978-9-23 s.n. Riverside San Jacinto Mtns, Valley Hi County Park 1183 Comment
  UCR92407  Amaranthus californicus F. M. Reed 1933-9-20 8098 Riverside San Jacinto Mtns., N shore of Hemet Lake 1525 Comment
  UCR13999  Amaranthus caudatus David Eslinger 1973-9-25 s.n. Riverside Hatch residence, 2228 5th St., Riverside 260 Comment
  CLARK-A1528-1395  Amaranthus fimbriatus John C. Roos 1963-10-23 Riverside Chuckwalla Mountains Comment
  UCR272196  Amaranthus powellii Duncan S. Bell 2015-9-30 8659 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  UCR115993  Amaranthus watsonii A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16077 A Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  UCR115128  Ambrosia acanthicarpa Mitch Provance 2000-10-28 2281 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  CAS-BOT-BC13678  Ambrosia artemisiifolia F. M. Reed 1906-9-27 1190 Riverside On pot of earth of Davidsonia involucrata from Chico, CA Comment
  UCR132701  Ambrosia confertiflora A. C. Sanders 1996-5-14 18169 Riverside Moreno Valley (Edgemont), east side of I-215 at Alessandro Blvd. 470 Comment
  JOTR35086  Ambrosia dumosa La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3537 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  RSA33503  Ambrosia dumosa N. C. Cooper 1944-4-8 1063 Riverside Andreas Canyon. 305 Comment
  RSA643465  Ambrosia dumosa A. C. Sanders, K. Rose 1995-4-27 16744 Riverside Coachella Valley: foot of the Little San Bernardino Mountains, canyon E of Fan Hill, just outside Joshua Tree National Park. 550 Comment
  SBBG35061  Ambrosia dumosa T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UC218034  Ambrosia dumosa P. A. Munz, D. Keck 1922-4-13 4934 Riverside slope of Aushurtz Canyon; Colorado Desert, Eagle Mts. 274 Comment
  UCR120969  Ambrosia dumosa Jennie Phui 1998-6-3 106 Riverside Western Colorado Desert/San Jacinto Mtns., near Windy Point and Palm Springs Station, 6 miles NW of Palm Springs city limits, base of Mt. San Jacinto 366 Comment
  UCR41603  Ambrosia dumosa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6025 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UC111300  Ambrosia ilicifolia E. E. Schellenger c. 1912 4 Riverside Santa Maria Mts.; Colorado Desert Comment
  UCR174450  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32375 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
  UCR250383  Ambrosia pumila A. C. Sanders, John F. Green 2014-4-4 40966 Riverside Peninsular Range; Elsinore Trough, N of Elsinore near Alberhill, at intersection of Baker St. and Pierce St. 389 Comment
  HSC5855  Ambrosia salsola C. L. Hitchcock 1966-3-16 24217 Riverside 4 mi. S of Palm Desert, along Palms to Pines Hwy. Comment
  UCR4213  Ambrosia salsola K. S. Gill 1965-4-17 16 A Riverside Sonoran (Colorado) Desert, Whitewater Canyon 5 mi north of Hwy 60 610 Comment
  SBBG34635  Ambrosia salsola var. salsola T. L. Secrest 1950-3-13 Riverside near Salton Sea Comment
  JEPS45139 Image available Amelanchier utahensis F. W. Peirson 1922-5-20 3057 Riverside Hemet Valley; San Jacinto Mts. 1371 Comment
  UC13273  Amorpha californica var. californica H. M. Hall July 1901 2454 Riverside Tauquitz Valley San Jacinto Mts. 1981 Comment
  RSA180514  Amsinckia intermedia E. W. Lathrop 1960-3-24 4664 Riverside 14 miles west of Murrieta. Comment
  SD240913  Amsinckia intermedia Dave Silverman, Jeanette Duffels 2010-3-23 7821 Riverside Dunes at SSE tip of Palen Dsry Lake, on km SW of Palen Dunes Drive, 4.2 km N of I-10, 7.4 km ESE of Sidewinder Well. 130 Comment
  UC174983  Amsinckia intermedia C. F. Baker 1903-4-4 4094 Riverside Elsinore; Pacific Coast Comment
  UCR251306  Amsinckia intermedia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7429 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UCR120905  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24945 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR155169  Amsinckia retrorsa A. C. Sanders 2005-5-4 29846 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR172614  Amsinckia retrorsa A. C. Sanders, John F. Green 2006-5-18 32370 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
  RSA0091473  Amsinckia tessellata C. L. Hitchcock 1940-4-2 5912 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA689374  Amsinckia tessellata Scott D. White 2001-4-19 8379 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  JOTR32139  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2295 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  POM184745  Amsonia tomentosa var. tomentosa C. L. Hitchcock 1932-4-8 12220 Riverside 1 mile west of Cottonwood Springs. Comment
  RSA653194  Andropogon glomeratus A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, et al. 1996-11-23 19657 Riverside San Bernardino Mountains.: Whitewater Canyon, just above Bonnie Bell, 2.3 miles below stream crossing near fish hatchery, E of VAMB Captain, 33 deg 57'N, 116 deg 38.5'W [UTM 10km cell: 11S NH-3E, 5N Whitewater] 534 Comment
  RSA170216  Anemopsis californica John Weiler, Roy L. Taylor 1961-5-12 61127 Riverside North of Temecula along U.S. 395, 3.4 miles south of Murietta Hot Springs lateral. Comment
  POM48634  Antennaria rosea Mary F. Spencer 1919-6-25 1219 Riverside Tacquitz Meadow, San Jacinto Mt. 2378 Comment
  SD187325  Anthriscus caucalis Scott D. White, Angelia Carey 2004-4-16 10189 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  RSA698992  Antirrhinum coulterianum J. R. Bruff 1928-4-2 87 Riverside Whitewater. Comment
  SBBG122774  Antirrhinum coulterianum A. Parikh 1990-4-27 159 Riverside W of Rawson Cyn, 1.7 km WSW of jct of Crown Valley Rd and Rawson Rd 696 Comment
  SD178245  Antirrhinum coulterianum John Wear 1998-7-8 Riverside San Jacinto Mountains; Pine Meadow in eastern Garner Valley, R-Ranch, just east of Highway 74, between Gold Hill and Thomas Mountain. 1372 Comment
  SJSU11491  Antirrhinum coulterianum J. W. Tofflemire 1957-4-19 Riverside Sobobo Indian Reservation by community of San Jacinto Comment
  UC672557  Antirrhinum coulterianum Herbert L. Mason 1926-5-2 3194 Riverside Aguanga Valley Comment
  UCR281002  Antirrhinum coulterianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 57 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  UCR81110  Antirrhinum coulterianum Scott D. White 1993-5-29 1455 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  SEINET3078505 Image available Antirrhinum multiflorum Rodney Hendrick 1965-5-2 s.n. Riverside In shady area 6 mi west of Aguanga on Hwy. 71. 610 Comment
  POM13120  Apiastrum angustifolium P. A. Munz, I. M. Johnston 1922-5-19 5335 Riverside 5 miles NE of Murietta. 457 Comment
  UC20820  Apiastrum angustifolium A. J. McClatchie Apr. 1892 8 Riverside near Elsinore Comment
  UCR177645  Apiastrum angustifolium S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  SD136932  Apocynum cannabinum Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7327 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. San Mateo Canyon, along stream from Los Alamos Canyon to Tenaja Canyon 365 Comment
  UCR19376  Arabis glaucovalvula Harlan Lewis, Carl Epling 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Cottonwood Spring, ['Providence Mtns.' NOTE: The locality data on this specimen is certainly partially incorrect: likely from Cottonwood Spring at the S entrance of Joshua Tree National Park, Riverside Co. The collectors were at Corn Spring, Chuckwalla Mtns on the same date, some of the species collected at Cottonwood Spring are very unlikely to have come from the Providence Mtns: Condaliopsis lycioides & Tetracoccus hallii in particular. Det. by A.C. Sanders, Dec. 1986] Comment
  RSA0037318  Arabis holboellii John F. Emmel 1993-5-30 1262 Riverside San Jacinto Mts.; along Pacific Crest Trail 0.3-0.6 mile SE of Fobes Saddle. 1859 Comment
  RSA629154  Arctostaphylos Jon E. Keeley 1992-7-17 16781 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  UCR124132  Arctostaphylos glandulosa subsp. leucophylla Steve Boyd, D. E. Bramlet 1988-10-8 2869 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UC21899  Arctostaphylos glandulosa subsp. zacaensis W. L. Jepson May 17 1901-Jun 1 1901 1289 Riverside s side San Jacinto Mts. 1584 Comment
  CAS-BOT-BC24628  Arctostaphylos glauca Sheet; Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  RSA631751  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19264 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631784  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19278 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA632648  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16516 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA632649  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16560 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  SBBG60016  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 0.5 mi SW of summit of Moreno Grade, bad lands, SW of Beaumont 609 Comment
  SD28097  Arctostaphylos glauca Carl B. Wolf 1932-5-25 Riverside SW of Beaumont in Bad Lands, 0.5 mi. SW of summit of Moreno Grade 609 Comment
  RSA633527  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20112 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633713  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16652 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633738  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20107 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633739  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20120 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633770  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16674 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  CAS-BOT-BC46339  Arctostaphylos pungens Peter H. Raven 1958-5-18 12981 Riverside 3.0 mi. e. of junction to Aguanga, San Jacinto Mts. Comment
  RSA0063963  Arctostaphylos pungens J. M. Andre 2012-6-15 30514 Riverside San Jacinto Mountains; along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  RSA635774  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16584 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA635815  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16544 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 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
  UCR129775  Arctostaphylos pungens C. B. Wolf 1931-5-11 01953 Riverside San Jacinto Mtns., near Pipe Creek, above Hemet Valley 1677 Comment
  UCR268309  Arctostaphylos pungens Jim Andre 2012-6-15 30498 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
  RSA636185  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19492 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  SBBG34202  Argemone munita T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  JEPS48605  Argemone munita subsp. munita W. L. Jepson 1939-4-17 19162 Riverside about 2 mi e of Temescal Village (1 mi s of bridge over Temescal Creek on old road to Oak Grove, Temecula); Temecula 304 Comment
  UC572299  Aristida adscensionis H. S. Yates 1937-3-23 6448 Riverside 15 mi nne Mecca; Thermal Quadrangle 457 Comment
  POM96836  Aristida adscensionis var. modesta F. M. Reed 1926-5-8 5324 Riverside Rocky hill near [Good Hope] Mine. Comment
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Jul 30 2006
  RSA654176  Aristida divaricata A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  SEINET10513068  Aristida purpurea Leila M. Shultz, John S. Shultz 1985-4-15 Shultz 8245 Riverside Chuckawalla Valley depression along Wiley's well road, Sec 4, T 8 S, R 20 E. Common in loose sand. 122 Comment
  CDA31494  Aristida purpurea var. nealleyi A. A. Beetle 1942-4-23 3187 Riverside Banks of Colorado River, 24 miles north of Blythe 0 Comment
  CAS-BOT-BC90193  Artemisia californica Vernon O. Bailey 1907-10-24 s.n. Riverside Cabazon Comment
  RSA561506  Artemisia californica Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7668 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UC29672  Artemisia dracunculus H. M. Hall 1901-6-8 2012 Riverside San Jacinto River Canyon San Jacinto Mountains, San Jacinto River Canyon 762 Comment
  UC63059  Artemisia dracunculus H. M. Hall 1901-8-6 2622 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
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Sep 21 2006
  VVC1185  Artemisia dracunculus Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, at and near the spring. 1293 Comment
  UC29715  Artemisia tridentata Dr. D. P. Barrows 1898-1 59 Riverside Comment
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Jul 16 2012
  RSA721875  Asclepias albicans J. Mark Porter, Orlando Mistretta 2003-6-5 13604 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  SEINET195890  Asclepias californica F. A. Thackery 1928-5-22 478 Riverside Banning Hights. Comment
  JEPS6287  Asclepias eriocarpa Marjorie D. Clary 1932-7-4 1208 Riverside Santa Rosa Mts. Kenworthy area; , Kenworthy area 1371 Comment
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Mar 25 2011
  RSA645934  Asclepias eriocarpa Scott D. White 1999-6-8 7455 Riverside Corona, near Bedford Canyon: foothills at eastern slope of Santa Ana Mts. ''Joseph Canyon'' wash near a disused quarry. 335 Comment
  RSA588137  Asclepias erosa D. L. Banks, S. D. Boyd 1995-6-27 739 Riverside NW Palomar Mountains; Agua Tibia Mountains; Along the Crosley Road, N of the junction between the Cutca Road; N of the Devils Hole area, N of the Forest Boundary. N of the first gate along the road approximately 1/2 mile from Hwy 79. 518 Comment
  UC1245423  Asclepias erosa C. Ritchie Bell 1963-4-10 Riverside ca. 16 mi e Desert Center School (roadside of US 60-70) Comment
  UCR89873  Asclepias erosa J. M. Stewart 1990-9-23 660 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  SEINET3081784 Image available Asclepias subulata John N. Bullock 1970-5-8 P 22 Riverside 100 metres s.e. of California State Highway 195 8.9 m. e. of the All American canal 293 Comment
  RSA535489  Aspidotis californica Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6637 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
  RSA602395  Aster subulatus var. ligulatus L. C. Wheeler 1955-6-10 7153 Riverside 2 miles W of Blythe. Comment
  RSA696777  Aster tortifolius J. Russell Bruff 1928-4-2 161 Riverside 8 mi. N of Cottonwood Springs. Comment
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Sep 20 2011
  SBBG3151  Astragalus aridus H. and M. Dearing 1938-3-5 1978 Riverside between Blythe and Desert Center Comment
  SEINET2060370 Image available Astragalus bicristatus Reid Moran 1973-7-28 21111 Riverside North slope of Toro Peak, Santa Rosa Mountains. 2310 Comment
  SEINET948217  Astragalus didymocarpus var. didymocarpus Steve Boyd 1986-1 1620 Riverside Gavilan Plateu, Gavilan Hills: Harford Springs County Park 610 Comment
  RSA21758  Astragalus didymocarpus var. dispermus C. B. Wolf 1937-4-6 8430 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  SJSU6639  Astragalus didymocarpus var. dispermus B. A. Summers 1958-4-1 Riverside Alejo Rd c. 1 mi S of Palm Springs Comment
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Apr 17 2011
  UC397259  Astragalus didymocarpus var. dispermus G. B. Grant Apr. 1906 Riverside Palm Spring Comment
  POM98779  Astragalus didymocarpus var. dispermus M. French Gilman 1926-2-22 s.n Riverside Thousand Palms Canyon. Comment
  UC1543239  Astragalus douglasii Donald G. Nelson 1936-5-21 380 Riverside n Mt. Thomas (e of Lake Hemet, slopes just n of meadow in valley just e of Jurkey Creek Camp area, San Jacinto Mountains); San Jacinto Mountains, e of Lake Hemet, n of Mt. Thomas Comment
  UC314567  Astragalus douglasii var. parishii Marcus E. Jones, A. M. 1926-6-20 Riverside 12 mi n Idyllwild; n of Idyllwild Comment
  HSC85262  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon: Benches of Indian wash just S of Hwy. 15 Comment
  SD137785  Astragalus gambelianus Darin L. Banks, Steve Boyd 1995-5-9 320 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area; west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 730 Comment
  SEINET13752407  Astragalus insularis var. harwoodii Heather Breakiron 2017-3-23 3 Riverside 11 miles southwest of Blythe, CA along dirt powerline road Comment
  SEINET3409359  Astragalus insularis var. harwoodii G. Rink 2013-3-17 11855 Riverside About five miles west of Blythe, on the south side of the road south of the Blythe power plant 120 Comment
  CLARK-A1528-454  Astragalus lentiginosus var. coachellae Charlotte Stocks 1963-3-27 Riverside Coachella Valley Comment
  RSA720471  Astragalus lentiginosus var. variabilis Naomi Fraga 2005-3-30 1541 Riverside Dunes in the southern portion of the Pinto Basin. JoshuaTree National Park. 518 Comment
  UC13440  Astragalus nuttallianus var. imperfectus H. M. Hall 434 Riverside San Jacinto Lake Comment
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Sep 7 2011
  UCR101917  Astragalus pachypus var. jaegeri R. S. Woglum 1941-5-17 3053 Riverside Peninsular Ranges/Sonoran (Colorado) Desert Transition:, Horse Canyon, off Coyote Canyon Comment
  CAS-BOT-BC192754  Astragalus palmeri Edith A. Purer 1935-4-21 6467 Riverside Near Palms Springs Comment
  CAS-BOT-BC194164  Astragalus palmeri P. A. Munz; D. Keck 1922-4-13 4935 a Riverside Eagle Mts., Colorado Desert Comment
  JOTR34175  Astragalus palmeri Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 136 Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  SEINET12160058  Astragalus palmeri E. A. Purer 1935-1 6467 Riverside Palm Springs Comment
  RSA707890  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-16 10161 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
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May 30 2008
  RSA0003064  Astragalus pomonensis Marcus E. Jones 1882-4-24 3166 Riverside Temecula Comment
  UCR84218  Astragalus tricarinatus G. R. Ballmer, G. F. Pratt, Kay Stockwell 1995-2-12 s.n. Riverside San Bernardino / Colorado Desert, Mission Creek Canyon, near gate on Mission Creek Road east of the ranch 640 Comment
  CAS-BOT-BC200817  Astragalus trichopodus var. phoxus C. B. Wolf 1931-5-11 1952 Riverside Near Pipe Creek, Hemet Valley, San Jacinto Mts. 1615 Comment
  POM126265  Atrichoseris platyphylla Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver's Well, Colorado Desert. Comment
  UCR148298  Atrichoseris platyphylla 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
  UCR101545  Atriplex argentea C. S. Jones, Jennifer Hodge 1998-3-22 s.n. Riverside Lake Elsinore, back basin, c. 700 ft. west of the San Jacinto River and c. 250 ft. south of the Lake Elsinore channel. 400 Comment
  POM278693  Atriplex canescens Grant D. Brown 1959-3-29 523 Riverside 2 miles east of Hemet (E. Florida Ave.) Comment
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Jul 8 2012
  SEINET3930588  Atriplex canescens R. L. Piemeisel 1913-8-17 3645 Riverside Crestmore.; 0 Comment
  SEINET3930594  Atriplex canescens Grant D. Brown 1950-3-29 521 Riverside Aguanga on highway 379.; 0 549 Comment
  UC850752  Atriplex canescens Ivan Johnston Apr 4 1917-Apr 6 1917 1033 Riverside near Palm Springs; Colorado Desert Flora, near Palm Springs 182 Comment
  JEPS3951  Atriplex canescens subsp. canescens S. B. Parish 1912-10-11 8255 Riverside Salton Basin; Caleb -60 Comment
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Sep 4 2011
  LA204701  Atriplex canescens subsp. canescens Norman C. Cooper; 1943-10-9 954 Riverside Hemet 304 Comment
  RSA772867  Atriplex canescens subsp. canescens Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-8-25 626 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 732 Comment
  RSA532563  Atriplex coronata var. notatior D. E. Bramlet 1991-5-8 2129 Riverside 7.6 km west of Hemet and some 830m west of the intersection of warren Rd. and the RR tracks. the ste is some 350m north of the santa Fe raileroad tracks and 500m east of the MWD canal. 500 Comment
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Mar 4 2013
  UCR189565  Atriplex coronata var. notatior Theresa Johnson 2006-6-1 148 Riverside Peninsular Range, San Jacinto Wildlife Area. South of main entrance road to San Jacinto Wildlife Area. Located parallel to dirt road c. 500 m west of Davis Road along dry alkali flats Comment
  UCR89826  Atriplex coronata var. notatior Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR103481  Atriplex davidsonii D. E. Bramlet 1995-6-21 2442 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit. The site is located 1.4 km east of Davis Road and 152m south of the existing access road. the site is 579m north of San Jacinto River Channel 435 Comment
  RSA2107  Atriplex hymenelytra Ernest Braunton 1929-01 s.n. Riverside Painted Canyon, Mecca. 46 Comment
  RSA760814  Atriplex hymenelytra Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-20 144 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  SEINET4135127  Atriplex hymenelytra Howard C. Stutz 1988-1-14 94544 Riverside Salton Sea, Coombs Dr.; 0 Comment
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Jul 19 2015
  UC1922405  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 a Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR148037  Atriplex hymenelytra Steve Boyd, Et al. 2004-5-14 11247 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
  CAS-BOT-BC169295  Atriplex lentiformis S. B. Parish 1912-10-24 8266 Riverside Thermal -39 Comment
  HSC25219  Atriplex lentiformis R. W. Spjut 1972-1-6 2099 Riverside Colorado Desert, along water courses from Indio, along Hwy. 111, S to Salton Sea -30 Comment
  CAS-BOT-BC176543  Atriplex polycarpa K. Kirtland 1998-11-6 s.n. Riverside Sonoran Desert: sand and gravel mine ca. 8 miles (airline) N of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  RSA0104081  Atriplex polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7666 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA780958  Atriplex polycarpa Stephanie Rockwood, Christi Gabriel 2011-10-19 134 Riverside I95 Pulloff about 6 miles from Blythe Itaglios Marker. Boundary of Indian Reservation land. Desert Conservation Area. 99 Comment
  RSA628489  Atriplex serenana A. C. Sanders, K. C. Rose 1999-7-18 22815 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Dawson Rd. 451 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
  UC2058835  Atriplex suberecta Scott D. White 2001-6-19 8593 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. Lake Elsinore, Romoland 7.5' Quad. Comment
  UCR104635  Atriplex suberecta D. E. Bramlet 1996-5-4 2461 Riverside Peninsular Range, Perris-Aguanga basin Region, San Jacinto Valley, San Jacinto Wildlife Area, 300m SW of Pond No. 1, and c. 1 km NE of the reserve entrance at Davis Road 433 Comment
  OBI32772  Avena barbata E. W. Lathrop 1959-4-26 4497 Riverside 14 W of Murrieta; Tenaja Plateau Comment
  UCR25196  Baccharis brachyphylla John C. Roos 1950-12-2 5028 Riverside Sonoran (Colorado) Desert, Eagle Mountains, Munsen ['Monson'] Canyon 1067 Comment
  CLARK-A1656-855  Baccharis emoryi Jon Mark Stewart 1983-11-14 83-61 Riverside Santa Rosa Mountains 822 Comment
  RSA342544  Baccharis emoryi R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54086 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UCR278378  Baccharis emoryi Mitch Provance 2012-9-5 912- 13 Riverside Beaumont Plateau, City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  CLARK-A1528-1638  Baccharis glutinosa John C. Roos 1951-10-24 5346 Riverside Santa Ana River 259 Comment
  POM8302  Baccharis salicifolia Philip A. Munz, R. D. Harwood 1920-2-28 3245 Riverside 3 mi SW of Corona. 305 Comment
  RSA69837  Baccharis salicifolia J. C. Roos 1951-10-24 5346 Riverside Santa Ana River bottomland with Fremontii, Riverside 259 Comment
  UCR100032  Baccharis salicifolia A. C. Sanders, G. Helmkamp 1997-3-15 19975 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UCR151973  Baccharis salicifolia Steve Boyd, Aydee Virgen 2004-4-13 10851 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UC1605407  Baccharis salicina Steve Boyd 1994-10-14 8377 Riverside Fisherman's Camp Trail (7S02) from Wildomar Rd (7S01) w into Tenaja Canyon at its confluence with San Mateo Canyon (Fisherman's Camp); Southern Santa Ana Mountains, Cleveland N.F., San Mateo Cany 462 Comment
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Dec 6 2009
  UCR103740  Baccharis salicina A. C. Sanders 1997-11-20 21619 Riverside Lake Skinner Reserve area, mouth of Rawson Canyon, just NE of Lake Skinner. 457 Comment
  RSA289870  Baccharis sergiloides B. A. Prigge 1980-9-17 4099 Riverside San Bernardino Mts, Whitewater Canyon, 2.5 miles N of interstate 10 549 Comment
  UC1523409  Baccharis sergiloides Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin & J. Hogge 1980-4-16 54095 Riverside 3 mi n, along Whitewater River Whitewater P. O.; San Bernardino Mts., Whitewater River 591 Comment
  POM259200  Bahia dissecta Philip A. Munz 1938-8-13 15339 Riverside Rocky crest of ridge near Santa Rosa Peak. 2378 Comment
  SBBG50933  Bahiopsis parishii N. R. Zabriskie, W. Zabriskie 1973-4-3 605 Riverside Poorwill Cyn, Andreas Cyn area, Palm Cyn drainage 426 Comment
  UCSB38731  Bahiopsis parishii Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy. 11 at Indian Wells 950 Comment
  CAS-BOT-BC99964  Baileya pauciradiata Ira L. Wiggins 1941-3-27 9687 Riverside South end of Coxcomb Mountains 8 miles north of Desert Center Comment
  CAS-BOT-BC99965  Baileya pauciradiata Carl B. Wolf 1937-4-6 8431 Riverside Colorado Desert. Coachella Valley, 3 mi. No. of Indio 0 Comment
  POM41586  Baileya pauciradiata Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM308639  Baileya pleniradiata Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3210 Riverside Near Indio. Comment
  RSA790633  Baileya pleniradiata Aaron C. Sedgwick, David Fraker 2012-4-24 3 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  POM350773  Bebbia juncea Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA92398  Bebbia juncea F. W. Peirson 1920-12-28 5282 Riverside Murray Canyon near Palm Springs Comment
  UCR148308  Bebbia juncea John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  JOTR35068  Bebbia juncea var. aspera La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3520 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  UCD129535  Bebbia juncea var. aspera Geoffrey Levin 1975-4-5 468 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. 60 Comment
  CLARK-A1528-100  Beloperone californica Charlotte Stocks 1964-9-11 Riverside La Quinta Comment
  SEINET3862256  Beloperone californica Lewis S. Rose 1946-12-24 46304 Riverside Palm Springs, Tahquitz Canyon Wash.; 0 139 Comment
  UCR59686  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2959 Riverside Vail Lake, W shore of lake, Kolb Creek drainage in series of small side draws, 442 Comment
  JEPS5610  Bergia texana Samuel B. Parish Nov 1891 Riverside Near Elsinore Comment
  RSA550477  Bergia texana D. E. Bramlet 1992-5-15 2286 Riverside San Jacinto Wildlife Area; Drying bed of the old San Jacinto channel, some 610 m. from the intersection of the old channel w/ the new San Jacinto River channel. The site is approximately 790 m. west of Davis Road. 433 Comment
  SEINET893003  Bergia texana A. C. Sanders, Mitch Provance 1999-1 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi S of Eden Hot Spr. El Casco. 432 Comment
  RSA78375  Bernardia incana J. C. Roos 1950-12-2 5027 Riverside Monson Canyon, Eagle Mountains. 1067 Comment
  OBI29856  Bernardia myricifolia Melissa Luckow, Rhonda Riggins 1982-4-15 818 Riverside Pinyon Pass Rd, 0.1 mi NW of hwy 74 1006 Comment
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Jul 15 2012
  CAS-BOT-BC127987  Bidens pilosa S. B. Parish 1915-9-20 8623 Riverside along the railway at Mecca. Salton Sink -57 Comment
  RSA395897  Bloomeria crocea var. crocea Steve Boyd 1986-4-22 1762 Riverside Terrace escarpment W side of Indian Wash, S of I -15. Comment
  UCR48353  Bloomeria crocea var. crocea Steve Boyd 1986-4-22 1762 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  UC472853  Boechera perennans Mary Fiske Spencer 1924-6-17 Riverside Idyllwild San Jacinto Mts. 1828 Comment
  UCR19106  Boerhavia coccinea John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  UCR272129  Boerhavia coulteri Duncan S. Bell 2015-9-30 8681 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  RSA644207  Boerhavia wrightii V. W. Steinmann 1999-10-26 1418 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  CAS-BOT-BC75497  Bolboschoenus maritimus subsp. paludosus Scott D. White; Steve Ogg 1994-10-17 2501 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel at confluence with Sta. Gertrudis Creek. 320 Comment
  UCR142039  Bothriochloa barbinodis Mike Misenhelter 2004-10-1 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns, Bronson property (around triangular pond seen on topo), c. 3.5 miles SW of Temecula near Santa Margarita River 427 Comment
  LA102177  Bouteloua aristidoides var. aristidoides John C. Roos; 1946-10-26 3139 Riverside Chuckwalla Mountains Comment
  UCD159781  Bouteloua aristidoides var. aristidoides Duncan S. Bell; K. Clark, B. Ellis, P. McKay et al. 2013-2-24 4469 Riverside Orocopia Mountains; south end of range, north of Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  JOTR30752  Bouteloua barbata var. barbata La Doux, Tasha, Jim Andre 2007-9-6 135 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  JOTR35383  Bouteloua barbata var. barbata Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 171 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA0120325  Bouteloua curtipendula Duncan S. Bell, Thomas Stoughton 2016-4-14 9293 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  RSA11968  Brandegea bigelovii P. A. Munz, D. D. Keck 1922-4-9 4760 Riverside Shavers Well, near Mecca. 76 Comment
  SBBG16939  Brandegea bigelovii H. Yokoyama 1953-3-21 139 Riverside 9 mi E of Indio Comment
  UCR215512  Brassica geniculata Daphne K. Christopher, Hannah I. Stevens 2003-4-4 095 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR91373  Brassica kaber Scott D. White, M. Jacobsmeyer 1996-4-20 3963 Riverside Perris Basin, Perris area: just south of Perris Airport, SE of Goetz Road/ Mapes Road intersection, north of San Jacinto River Channel 430 Comment
  UCR172276  Brassica nigra John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Benton Road 409 Comment
  RSA0064520  Brassica nigra Bruce Albert 1982-4-17 31 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  POM351103  Brickellia arguta Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  CDA19751  Brickellia californica H. Leach 1958-9-12 s.n. Riverside Southern California; San Jacinto Mtn. 0 Comment
  JOTR16568  Brickellia californica Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECTS 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  JOTR16569  Brickellia californica Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH DESERT QUEEN MINE 1341 Comment
  CAS-BOT-BC106184  Brickellia desertorum John Roos; Lucille Roos 1950-9-9 4986 Riverside Mt. Rubidoux, Riverside 396 Comment
  CLARK-A1528-1675  Brickellia incana John C. Roos 1965-6-23 Riverside Lost Palms Wash Comment
  JEPS18629  Brickellia incana W. L. Jepson 1928-4-23 12555 Riverside 2.5 mi below Cottonwood Springs (s edge of Cottonwood and Eagle Mts., Colorado Desert); Colorado Desert, Cottonwood Mts., Eagle Mts. 487 Comment
  SD247315  Brickellia incana Andy Sanders, Jim Malusa 2015-9-10 41848 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon, along Summit Road about 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range. 433 Comment
  UC1551954  Brickellia nevinii J. C. Roos 1965-9-12 Riverside 3 mi sw of Corona Tin Mine Canyon (Santa Ana Mountains); Santa Ana Mountains 548 Comment
  CAS-BOT-BC132192  Brodiaea filifolia P. A. Munz; I. M. Johnston 1922-5-19 5412 Riverside 1 mi. east of Perris 441 Comment
  CAS-BOT-BC132193  Brodiaea filifolia John C. Roos 1952-5-14 5667 Riverside San Jacinto River bottom 1 mile east of Perris 426 Comment
  RSA771881  Brodiaea filifolia Steve Boyd 2010-5-28 12285 Riverside Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  SBBG94911  Brodiaea filifolia B. Gaut 1989-5-7 Riverside Santa Rosa Plateau, 5 mi W of Hwy 215 on Clinton Keith Rd in Temescal Valley 609 Comment
  UCR213833  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2009-5-21 12848 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  RSA0020379  Bromus Duncan S. Bell, Keir Morse 2013-3-30 4663 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  RSA741063  Bromus carinatus Scott D. White, Justin M. Wood 2008-6-5 12070 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR41837  Bromus catharticus A. C. Sanders 1986-4-13 6467 Riverside Riverside, Riverside, residential garden, 422 Campus View Drive 335 Comment
  RSA0014445  Bromus diandrus Justin M. Wood 2010-3-4 1418 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  SEINET244863 Image available Bromus diandrus A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24919 Riverside Hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont. 610 Comment
  UCR115931  Bromus diandrus Mitch Provance 2000-1-8 1803 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 305 Comment
  RSA702384  Bromus hallii Naomi Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1286 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  RSA750754  Bromus hordeaceus Scott D. White, Justin M. Wood 2009-5-22 12898 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR169471  Bromus hordeaceus John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  CLARK-A1528-44  Bromus mollis Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  RSA771122  Bromus rubens Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5003 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
  RSA799068  Bromus rubens Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6864 Riverside South side of Joshua Tree National Park, Cottonwood Spring 823 Comment
  SEINET14451727  Bromus rubens C. F. Shutts 1949-3-28 90 Riverside Palms to Pine Highway State 74. Santa Rosa Mountains. near Palm Springs 747 Comment
  UCR102929  Bromus rubens George K. Helmkamp 1998-2-5 2646 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR114138  Bromus rubens B. G. Pitzer, J. Ross 1998-3-8 3595 Riverside Sonoran (Colorado) Desert, Hayfield Lake, on the lakebed, SE of pumping station, near center of lake 396 Comment
  UCR2245  Bromus rubens F. M. Reed 1922-4-16 4692 Riverside Riverside, buckeye grove, Chicago Ave. 274 Comment
  UCR229274  Bromus rubens Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  UCR234328  Bromus rubens A. C. Sanders, John F. Green 2012-4-6 40008 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, major culvert/wash crossing along Temescal Cyn. Rd., near Campbell Ranch Rd. and I-15 Fwy, c. 10 miles south of Corona 323 Comment
  JOTR28872  Caesalpinia virgata La Doux, Tasha, Bill Truesdell 2004-3-17 1107 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  RSA405290  Caesalpinia virgata M. B. Dunkle 1933-3-4 3033 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA550273  Caesalpinia virgata Walter Wisura, John Dolan, Michael Wall 1992-3-24 4623 Riverside Lowdesert: 6.2 miles NE of Mecca on Box Canyon Road. Comment
  UC82886  Calandrinia ambigua S. B. and W. F. Parish 1884-4-5 1188 a Riverside Indio Comment
  UCR225591  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-3-29 38883 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  UCR259231  Calandrinia ciliata Mitch Provance, Jeremiah George 2012-4-24 412- 08 Riverside San Gorgonio Pass, Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd. 735 Comment
  UCSB45531  Callitriche marginata Roos, John 1952-4-16 Riverside Edgemont; near Box springs 487 Comment
  UCR201434  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  CAS-BOT-BC488541  Calochortus concolor R. S. Woglum 1941-6-13 3072 Riverside Pines to Palms Road, Santa Rosa Mountains Comment
  SD135160  Calochortus palmeri var. palmeri Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northwest flank of Santa Rosa Peak, well upslope of Highway 79, mesic opening in chaparral. (IPB 3/08) Comment
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Dec 29 2017
  HSC92910  Calochortus splendens Scott White 1993-5-29 1442 Riverside San Bernardino Mtns., Banning Canyon and Big Oaks Canyon along rd. to Raywood Flat, Yucaipa Ridge 1402 Comment
  UCR174061  Calochortus splendens A. C. Sanders 2006-5-19 32458 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
  CAS-BOT-BC483503  Calochortus splendens E. W. Lathrop 1965-5-18 5759 Riverside 8 miles west of Murrieta 609 Comment
  GMDRC2050  Calycoseris parryi J. Andre 2006-4-26 6768 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  JEPS29288  Calycoseris parryi Rimo Bacigalupi, L. Heckard, and P. Hutchinson 1962-3-23 8360 Riverside 1.9 mi sw of San Bernardino County line (lower end of Morongo Wash); Morongo Wash 609 Comment
  RSA457756  Calycoseris wrightii Steve Boyd 1988-3-10 2120 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA776642  Calycoseris wrightii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1099 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center 413 Comment
  SJSU8135  Calyptridium monandrum G. B. Youngberg 1956-3-30 221 Riverside among hills near La Sierra College, Arlington 228 Comment
  UC1979534  Calystegia macrostegia subsp. tenuifolia Darin L. Banks 1995-4-11 172 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail. Comment
  CAS-BOT-BC218903  Camissonia Elizabeth McClintock 1958-4-5 s.n. Riverside Painted Canyon, Colorado Desert, along wash Comment
  UC1184253  Camissonia Peter H. Raven 1958-1-25 11477 Riverside 5.5 mi se Painted Canyon turn-off; Box Canyon Comment
  POM32000  Camissonia bistorta C. F. Baker 1904-4-5 4118 Riverside Hemet Comment
  SEINET4680889  Camissonia bistorta J. S. Ross, T. Tennant; G. White 1998-5-21 MOR 205 Riverside San Bernardino Mountains: Morongo Indian Reservation, Hathaway Canyon, about 0.55 miles of the junction of the lower and upper canyons.; 0 1040 Comment
  UCR101788  Camissonia bistorta George K. Helmkamp, E. A. Helmkamp 1997-3-5 1321 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR174163  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32640 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
  UCR6154  Camissonia bistorta Galen R. Hunsicker 1967-5-18 s.n. Riverside Base of Box Springs Mtns., University of California, Riverside campus, south of new Physical Sciences parking lot. Comment
  RSA782076  Camissonia boothii subsp. desertorum Duncan S. Bell 2009-3-9 114 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  SEINET3093151 Image available Camissonia boothii subsp. desertorum George K. Helmkamp, E. A. Helmkamp 1998-2-18 2743 Riverside Chuckwalla Mtns: Graham Pass Rd, 10.6 mi SSW of Chuckwalla Valley Rd. [UTM 10km cell:PH-7E, 0N. Graham Pass] 488 Comment
  SEINET3005072  Camissonia brevipes G. Rink 2011-5-1 10510 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  CLARK-A1656-663  Camissonia cardiophylla Lois Ann Scott 1978-12-1 Riverside San Jacinto Mountains 152 Comment
  SEINET3093302 Image available Camissonia cardiophylla A. C. Sanders, S. White, C . L. Sanders 1994-10-9 15813 Riverside San Bernardino Mountains: Whitewater Cyn, 2 mi. below trout farm, above Bonnie Bell. 549 Comment
  UCR168277  Camissonia cardiophylla M. B. Dunkle 1933-3-4 3048 Riverside Sonoran (Colorado) Desert, Painted Canyon 91 Comment
  CAS-BOT-BC154112  Camissonia claviformis N. Aitkenhead 1977-2-1 s.n. Riverside ~2 mi. W. of junction of 1000 Palms Rd & T/L Comment
  CSUSB195  Camissonia claviformis W. W. Mayhew 1959-2-3 Riverside 10 miles east of Desert Center Comment
  UCR50879  Camissonia claviformis A. C. Sanders 1988-5-11 7800 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  POM183982  Camissonia claviformis subsp. aurantiaca P. A. Munz 1932-3-14 11995 Riverside Palm Springs. 91 Comment
  RSA278986  Camissonia claviformis subsp. aurantiaca Barry A. Prigge, L. Martinez 1978-3-23 2435 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA496463  Camissonia hirtella Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3079 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA735858  Camissonia hirtella Scott D. White, Justin M. Wood 2008-4-16 11882 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  UCR240653  Camissonia hirtella Tracy Tennant, Mitch Provance 1998-6-16 MOR- 406 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCR98114  Camissonia hirtella S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  UCR121178  Camissonia ignota D. E. Bramlet 1990-4-27 1987 Riverside 1,000 ft. (~0.2 mi.) south of Crown Valley and 200 ft. west of access road 631 Comment
  RSA72201  Camissonia pallida subsp. hallii F. W. Peirson 1914-04 791 Riverside Whitewater east of Beaumont. Comment
  JOTR28956  Camissonia pallida subsp. pallida La Doux, Tasha 2005-3-30 1192 Riverside Joshua Tree National Park. Hexie Mtns/Pinto Basin; next to Fried Liver Wash 544 Comment
  RSA718877  Camissonia pallida subsp. pallida Michael Honer, L. Hulse 2005-3-7 2028 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  RSA449053  Camissonia refracta Anstruther Davidson, E. C. Jaeger 1922-3-29 s.n. Riverside Box Canon near Mecca. Comment
  RSA567647  Camissonia refracta A. C. Sanders, E. J. Lawlor 1992-4-4 12099 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA617858  Camissonia refracta Walter Wisura 1998-3-28 5115 Riverside 3.1 mi W of Corn Spring S of I-10. Comment
  SEINET3005000  Camissonia refracta G. Rink 2011-4-4 10428 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UC1979872  Camissonia refracta Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 765 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  RSA0013032  Camissonia strigulosa LeRoy Gross, Caitlin Elam 2013-5-14 6044 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
  RSA586331  Camissonia strigulosa D. L. Banks, Steve D. Boyd 1995-5-3 196 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
  RSA613650  Camissonia strigulosa D. L. Banks, Victor W. Steinmann 1997-3-13 1469 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
  UC279693  Camissonia strigulosa Edmund C. Jaeger 1925-5-10 Riverside Vandeventer's Flats Santa Rosa Mts. 1310 Comment
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Aug 30 2011
  SDSU3337  Camissoniopsis bistorta H. Wedberg 1959-5-3 409 Riverside At Dripping Springs Campground, on Hwy 71 between Radec and Temecula. Comment
  UC1286982  Camissoniopsis bistorta C. L. Hitchcock 1966-3-15 24173 Riverside along roadcut 4 mi ne Aguanga Comment
  SD133055  Camissoniopsis hirtella Scott White 1991-5-13 91 93 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Sprins. 548 Comment
  UC1595618  Camissoniopsis hirtella Steve Boyd 1991-5-20 6271 Riverside nw Lake Elsinore (just inside Nat. For. boundary); Santa Ana Mountains, Cleveland Nat. For., Lower Rice Cyn 573 Comment
  UC172326  Camissoniopsis ignota Charlotte M. Wilder 1903-4-23 103 Riverside near Riverside; Wilder's Comment
  UCSB22462  Camissoniopsis pallida subsp. hallii Day, Fran 1964-3-23 Riverside 10.3 miles south of Cabazon on Highway 111, north side of road 304 Comment
  UC1122272  Camissoniopsis pallida subsp. pallida H. S. Yates 1937-3-23 6401 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  CAS-BOT-BC37039  Capsella bursa-pastoris A. C. Sanders; S. Hawkins; J. Goetzen; D. Freeman 1996-5-1 18108 Riverside San Bernardino Mountains. Morongo Indian Reservation. At southeast edge of Burro Flats. 1097 Comment
  UCR158639  Cardamine californica 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
  RSA535488  Cardamine californica var. integrifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6636 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
  RSA0105835  Carduus pycnocephalus Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCSB11402  Carex D. Breedlove 1961-7-29 870 Riverside WHERE IT CROSSES RIVERSIDE HWY 1 FULLER MILL CREEK 1645 Comment
  UC1931229  Carex athrostachya Scott D. White, Justin Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. (Idyllwild) Comment
  RSA682365  Carex multicaulis Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1699 Riverside Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  SEINET10945977  Carex multicaulis V. Soza, Naomi S. Fraga; S. Swartzentruber 2003-6-25 Soza 1699 Riverside Peninsular Ranges; San Jacinto Mountains region: Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UC729874  Carex multicostata Carl B. Wolf 1932-8-5 3983 Riverside summit San Jacinto Peak; San Jacinto Mts. 3293 Comment
  UC837255  Carex nebrascensis P. A. Munz 1922-9-6 6393 Riverside Round Valley San Jacinto Mts. 2743 Comment
  CAS-BOT-BC118514  Carex praegracilis Ivan Murray Johnston 1918-5-26 1995 Riverside Santa Ana River NW of Corona. 152 Comment
  UC1931228  Carex praegracilis Scott D. White, Justin Wood 2008-6-19 12281 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. (Idyllwild) Comment
  UCR24806  Carex sartwelliana George K. Helmkamp 1981-7-5 s.n. Riverside San Jacinto Mountains, spring alongside the Black Mountain Road, 6 mi from the Banning to Idyllwild Hwy (243) Comment
  UCR228674  Carex senta Peter F. Zika, Nick Otting 2010-8-3 25243 Riverside Peninsular Ranges; San Jacinto Mountains, vicinity of Willow Creek, San Jacinto Wilderness Area 2550 Comment
  SD136989  Carex spissa Steve Boyd, Tim Ross, Dave Bramlet 1993-5-13 7375 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Wildhorse Canyon; from confluence with Los Alamos Canyon upstream approx. 1 mile; common in seepy ground understory of oak woodland on slope in side drainage just above first major waterfall. 410 Comment
  RSA711756  Cassia eremophila O. F. Clarke 2002-3-11 s.n. Riverside O.F. Clarke residence, 266 Frost Court. 351 Comment
  RSA517253  Castela emoryi Steve D. Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1338 Riverside Shavers Valley: NW end of Hayfields Dry Lake, Comment
  RSA180263  Castilleja affinis E. W. Lathrop 1965-4-25 56715 Riverside 4 miles Sw of Murrieta. Comment
  RSA132827  Castilleja angustifolia Peter H. Raven 1958-5-5 12893 Riverside To the west of Split Rock Tank, Joshua Tree National Monument. Comment
  SD79836  Castilleja applegatei subsp. martinii Helen V. Witham 1970-4-29 812 Riverside one mile west of L. Hemet, Palms-to-Pines Hwy. 1200 Comment
  RSA769776  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-17 1009 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.75 air mile southeast of junction of Highway 74 and forest service road 5S15. 759 Comment
  RSA793014  Castilleja exserta Justin M. Wood 2011-4-4 3402 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR124653  Castilleja exserta B. C. Templeton, I. W. Clokey 1930-4-9 1070 Riverside Moreno Badlands, Moreno Grade, west of Beaumont 600 Comment
  RSA0010930  Castilleja exserta subsp. exserta Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2258 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA0010938  Castilleja exserta subsp. exserta N. C. Cooper 1944-3-24 999 Riverside Banning. 701 Comment
  UCR165850  Castilleja foliolosa T. B. Salvato, John F. Green 2004-5-27 633 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
  UCR180588  Castilleja foliolosa Scott D. White, Angelia Carey 2004-4-5 9985 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  JEPS6193  Castilleja minor subsp. spiralis Peter Kamb 1950-9-13 1939 Riverside Hall Canyon; San Jacinto Mts. 1645 Comment
  UCR132912  Castilleja minor subsp. spiralis 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
  UCR37497  Castilleja minor subsp. spiralis Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  SEINET7063424  Castilleja subinclusa subsp. subinclusa A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on Benton Road. Tucalota Valley. UTM Zone 11, 502473mE, 3715016mN. (WGS84/NAD83). 564 Comment
  UCR4418  Caulanthus hallii Frank C. Vasek 1960-3-24 600324- 26 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  CAS-BOT-BC40266  Caulanthus lasiophyllus Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2172 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UCR68472  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3844 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  RSA489179  Ceanothus crassifolius Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  UCR102725  Ceanothus crassifolius B. G. Pitzer 1998-1-25 3412 A Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  SBBG54813  Ceanothus crassifolius var. crassifolius D. Keil, M. McLeod 1979-3-18 12915 Riverside ca. 6 mi E of Interstate 15, along St Hwy 79, in Pauba Valley area Comment
  RSA535081  Ceanothus cuneatus Steve Boyd 1991-9-8 6437 Riverside Aguanga area, rocky hill just NE of jtn Hwy 79 and hwy 371 on dirt road called Aguanga Ranch Rd which exits Hwy 79 just E of jtn. Comment
  RSA289813  Ceanothus greggii var. perplexans Barry A. Prigge 1980-8-12 3924 Riverside San Bernardino Mountains, Whitewater Canyon: 1.5 miles upstream from trout farm. 808 Comment
  CAS-BOT-BC51281  Ceanothus leucodermis C. F. B. 1903-4-4 4144 Riverside Elsinore Comment
  UCR13726  Ceanothus leucodermis R. S. Woglum 1941-6-12 3053 Ab Riverside San Jacinto Mtns., Idyllwild 1524 Comment
  CHSC8459  Ceanothus megacarpus var. megacarpus Edward Laidlaw Smith 1958-3-6 351 Riverside Coldwater Canyon, Glen Ivy, on Temescal Canyon Road. Santa Ana Mt. Range. Temescal Creek drainage area. 762 Comment
  RSA221012  Ceanothus oliganthus E. W. Lathrop 1966-4-28 6221 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. Comment
  RSA508356  Ceanothus oliganthus var. sorediatus Ed LaRue 1989-6-14 s.n. Riverside E edge of Plateau overlooking town of Murrieta; ca 1.25 mi W of town and ca 1 mi (airline) E of De Luz Road 549 Comment
  RSA569995  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7910 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
  RSA606736  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27416 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
  RSA606741  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27410 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
  SD136768  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7909 Riverside Agua Tibia Wilderness Area, Cleveland National Forest. Palomar Range south of Vail Lake at north base of Agua Tibia Mountain. Along trail extenting south from end of Woodchuck Road 792 Comment
  UC1594221  Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside 1 mi W of Vail Lake 609 Comment
  RSA0022336  Ceanothus perplexans Scott D. White, Justin M. Wood 2009-5-21 12866 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCD112521  Ceanothus perplexans Richard Bates 1949-5-21 s.n. Riverside Hemet Lake area, meadow on the way to Pinon Flats, San Jacinto Mtns. Comment
  UCR46712  Ceanothus tomentosus D. C. Hawks 1987-3-2 s.n. Riverside Peninsular Range; San Jacinto Mtns. Region, south of Hemet, [near confluence of Pixley Canyon and Goodhart Canyon] intersection of Palm Ave. and Saddle Ridge Rd. 473 Comment
  RSA535466  Ceanothus tomentosus var. olivaceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6651 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  SD28073  Celtis reticulata Carl B. Wolf 1932-5-25 3686 Riverside Gilman Ranch in the foothills north of Banning 853 Comment
  UCR20322  Centaurea repens John C. Roos 1947-7-5 2908 Riverside junction of San Timoteo and Live Oak Creeks 459 Comment
  UC22695  Centaurium venustum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  RSA736001  Centromadia pungens subsp. laevis Scott D. White, Justin M. Wood 2008-6-26 12293 Riverside Perris Basin: I-215 just N of San Jacinto River crossing. 431 Comment
  SEINET6413741  Centromadia pungens subsp. pungens R. Spellenberg 2014-5-5 14772 Riverside CA Highway 79 N of Hemet, ca 0.5 km so f Ramona Expressway. 445 Comment
  CAS-BOT-BC388359  Cerastium glomeratum A. C. Sanders 2006-5-19 32461 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  POM308638  Cercidium floridum Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3211 Riverside Near Desert Center. Comment
  POM8988  Cercidium floridum Mary F. Spencer 1920-4-9 755 Riverside Colorado desert near Palm Springs Comment
  UC1073270  Cercidium floridum subsp. floridum George B. Rossbach 1955-4-23 314 Riverside near Shaver's Well (along Route 195 e of Mecca); Box Canyon Wash 304 Comment
  CLARK-A1528-807  Cercocarpus betuloides R. Stoltz 1969-4-12 21 Riverside Badlands 731 Comment
  RSA453311  Cercocarpus betuloides Ora M. Clark 1929-4-6 1954 Riverside South of Hemet. Comment
  RSA561080  Cercocarpus minutiflorus Steve D. Boyd, Orlando Mistretta 1992-4-22 7005 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA86676  Cercocarpus minutiflorus F. W. Peirson 1921-3-21 4191 Riverside Gordon Trail. 1372 Comment
  UCR79226  Cercocarpus minutiflorus Steve Boyd, T. S. Ross 1992-2-21 6669 Riverside Santa Ana Mtns., Southern part of Mtns., San Mateo Canyon Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 854 Comment
  CAS-BOT-BC276389  Chaenactis carphoclinia Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  JEPS30602  Chaenactis carphoclinia var. carphoclinia Donald M. Kyhos 1958-2-15 58 -13 Riverside Corn Springs Comment
  POM66615  Chaenactis carphoclinia var. carphoclinia Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  UCD81588  Chaenactis carphoclinia var. carphoclinia Chuck Hughes 2009-3-27 69 Riverside S of Hwy 62 near the abandoned Desert Center Airport. Near Rice, CA. 227 Comment
  UCR52236  Chaenactis carphoclinia var. carphoclinia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2148 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  POM259906  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  RSA21381  Chaenactis fremontii C. B. Wolf 1937-5-4 8526 Riverside Colorado Desert, Little San Bernardino Mts, Morongo Wash, 1 miles below San Bernardino County line. 610 Comment
  SEINET1086113 Image available Chaenactis fremontii G. Helmkamp, M. Rosczyk 1985-4-4 223 Riverside West edge of themain canyon 1/4 mile below the BLM gate. 518 Comment
  UCR137685  Chaenactis fremontii G. A. Reese, S. Kaime 1998-4-6 4717 Riverside Sonoran (Colorado) Desert, Berdoo Canyon Jeep Trail, near Joshua Tree National Park boundary, 10 mi NE of Indio 725 Comment
  SEINET7450233 Image available Chaenactis glabriuscula G. R. Hall 1905-1 8486 Riverside Riverside. Comment
  CLARK-A1528-185  Chaenactis glabriuscula var. curta C. M. Flanagan 1973-4-14 OO 101 Riverside Sunnymead 579 Comment
  CAS-BOT-BC277408  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside Bachelor Mtns.: lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  POM351766  Chaenactis glabriuscula var. glabriuscula M. M. Thompson 1947-6-9 2086 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA770699  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4801 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA49385  Chaenactis macrantha Philip A. Munz 1949-4-12 13027 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  JOTR31997  Chaenactis stevioides La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2227 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  UCD20138  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -8 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  UCR213271  Chaenactis stevioides A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37430 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  SBBG53745  Chamaesyce albomarginata S. Boyd 1980-5-3 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UCSB8661  Chamaesyce albomarginata Haller, Norman 1953-5-24 Riverside Pinyon Flats, San Jacinto Mts., Hwy. 74 1219 Comment
  SEINET5742556 Image available Chamaesyce micromera W. Steinmann 1999-1 1415 Riverside Foothills of the Chuckwalla Moutains, open desert ca. 2 km S of Desert Center.; Desert Center 325 Comment
  RSA432416  Chamaesyce ocellata M. B. Dunkle 1933-3-4 3061 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA517812  Chamaesyce polycarpa Steve Boyd, Orlando Mistretta 1986-3-13 s.n. Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  SBBG67758  Chamaesyce polycarpa R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  SEINET5742575 Image available Chamaesyce polycarpa W. Steinmann 1999-1 1416 Riverside Foothills of the Chuckwalla Moutains, open desert ca. 2 km S of Desert Center.; Desert Center 325 Comment
  UC246680  Chamaesyce polycarpa S. B. Parish Apr 4 1896-Apr 13 1896 4143 Riverside Palm Springs (Agua Caliente) San Jacinto Mtn (base of mountain`) 152 Comment
  UC570788  Chamaesyce polycarpa Margaret Stason 1927-3-12 Riverside Thousand Palms Colorado Desert Comment
  RSA432407  Chamaesyce polycarpa var. polycarpa E. S. Spalding 1926-2-13 s.n Riverside Colorado Desert. Box Canyon on Blythe Road. Comment
  RSA638208  Chamaesyce serpillifolia L. C. Wheeler 1965-6-27 8690 Riverside Corona: Overboltzer's Grove. Comment
  UC64183  Chamaesyce serpyllifolia H. M. Hall 1901-6-1 2183 Riverside Thomas Valley San Jacinto Mtns 1371 Comment
  RSA301975  Cheilanthes covillei J. R. Shevock 1970-12-13 567 Riverside Cap Rock, Joshua Tree 1371 Comment
  UC729539  Cheilanthes covillei Carl B. Wolf 1932-5-24 3646 Riverside 1/2 mi below fish hatchery Snow Creek Canyon; N Base San Jacinto Mts 548 Comment
  JOTR32916  Cheilanthes parryi La Doux, Tasha, Jim Andre 2009-2-28 356 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  UC399593  Cheilanthes parryi S. B. Parish 1907-4-18 6113 Riverside Palm Springs; Colorado Desert Comment
  SEINET5544053  Chenopodium album H. S. Gentry 1954-1 14247 Riverside Near Aguanga. Comment
  UC56772  Chenopodium album H. M. Hall 1902-8-6 2652 Riverside Vicinity of Riverside 457 Comment
  RSA192156  Chenopodium ambrosioides E. W. Lathrop 1966-5-15 6310 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  UCR197057  Chenopodium berlandieri A. C. Sanders, D. L. Sanders 2008-9-27 36106 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  UC1931134  Chenopodium californicum Scott D. White, Justin Wood 2008-6-17 12170 Riverside San Jacinto Mountains: Garner Valley-Kenworthy Station (USFS). (Butterfly Peak) Comment
  UCR155168  Chenopodium californicum A. C. Sanders 2005-5-4 29847 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR265463  Chenopodium fremontii Jordan Zylstra 2014-8-17 14020 Riverside San Jacinto Mountains, Fobes Canyon wash, adjacent to Fobes Ranch Road 1483 Comment
  UCR272128  Chenopodium fremontii Duncan S. Bell 2015-9-30 8674 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  UCD98200  Chenopodium glaucum var. salinum A. C. Sanders 2001-11-25 24888 Riverside Moreno Valley, Hope Depot at Pigeon Pass Rd. on north side of Hwy 60. Comment
  CDA3072  Chenopodium murale J. T. Howell 1977-3-12 52357 Riverside Box Canyon, Joshua Tree National Monument 0 Comment
  UCR167794  Chenopodium murale T. B. Salvato, Melissa Clemons 2005-6-23 1318 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  CAS-BOT-BC231774  Chilopsis linearis F. Almeda 1976-6-5 2826 Riverside Ca. 4-5 mi. N of Interstate Hwy. #10 off of Whitewater Canyon Road Comment
  RSA455307  Chilopsis linearis L. C. Wheeler 1933-12-1 2281 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  RSA777282  Chilopsis linearis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4745 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC604961  Chilopsis linearis subsp. arcuata Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9582 Riverside 2 mi. up Painted Canyon; Mecca Hills Comment
  UCR123659  Chilopsis linearis subsp. arcuata Steven R. Hill 2001-5-3 33649 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 1.0-1.5 mi SW of Calif. Hwy 111, Palm Springs.Boundary of Palm Springs Aerial Tramway property, at entrance gate 610 Comment
  UCR59781  Chilopsis linearis subsp. arcuata Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Temecula Creek Wash, west of sand and gravel company in Butterfield Valley Comment
  JEPS58859  Chimaphila menziesii Carl V. Meyer 1929-1-4 687 Riverside San Jacinto Mts., Saunder's Meadow Comment
  UCD130404  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside just west of Blythe along a canal near Hobson Way. Comment
  UCR2286  Chloris virgata F. M. Reed 1925-8-10 5136 Riverside Glen Avon, Granite Hill Ranch 183 Comment
  POM78160  Chloris virgata F. M. Reed 1925-8-10 5136 -B Riverside Granite Hill Ranch, near Glen Avon. 183 Comment
  UCR51955  Chorizanthe brevicornu Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2129 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  JOTR16807  Chorizanthe brevicornu var. brevicornu Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  RSA772060  Chorizanthe brevicornu var. brevicornu Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4626 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG87405  Chorizanthe brevicornu var. brevicornu A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6011 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UCR228165  Chorizanthe brevicornu var. brevicornu Dave Silverman, Onkar Singh 2010-3-26 7852 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of McCoy Mtns, NW of Blythe, 3.0 km E of Black Creek Rd, c. 4.3 km W of McCoy Wash, and c. 8 km N of I-10 142 Comment
  UCR21931  Chorizanthe coriacea Steve Boyd 1980-5-2 159 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR35078  Chorizanthe leptoceras L. B. Ziegler 1967-6-14 158 Riverside San Jacinto Mtns., Bautista Creek Canyon 732 Comment
  SD239847  Chorizanthe leptotheca T. B. Salvato, Richard Camacho 2011-6-12 5495 Riverside Peninsular Range: Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles. 359 Comment
  POM13287  Chorizanthe parryi var. parryi E. C. Jaeger 1920-3-25 1058 Riverside Palm Springs. Comment
  UCR121179  Chorizanthe parryi var. parryi D. E. Bramlet 1990-4-27 1983 Riverside 1,000 ft. (~0.2 mi.) south of Crown Valley and 200 ft. west of access road 631 Comment
  UCR189793  Chorizanthe parryi var. parryi Andrea Salzman 2006-5-30 136 a Riverside Peninsular Range; Perris Aguanga Basin, Lake Skinner, north of stage road 490 Comment
  UCR275483  Chorizanthe parryi var. parryi T. B. Salvato, Gregg Miller 2005-6-7 1489 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
  RSA543592  Chorizanthe polygonoides var. longispina Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6143 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  UCR139187  Chorizanthe polygonoides var. longispina Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  UCR174157  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32605 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
  UCR231762  Chorizanthe polygonoides var. longispina John F. Green 2008-4-23 09- 09 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  UC68685  Chorizanthe rigida H. M. Hall May 1905 5906 Riverside Chuckawalla Spr , Chuckawalla Spr (Colorado Desert) Comment
  RSA735859  Chorizanthe staticoides Scott D. White, Justin M. Wood 2008-4-16 11886 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  UC1595619  Chorizanthe staticoides Steve Boyd 1991-5-20 6270 Riverside nw Lake Elsinore (Lower Rice Canyon, just inside Cleveland National Forest boundary, Santa Ana Mountains); Santa Ana Mountains, Cleveland Nat For, nw Lake Elsinore 573 Comment
  CAS-BOT-BC36261  Chrysolepis sempervirens Mary F. Spencer 1919-7-8 665 Riverside Tacquitz ridge, San Jacinto Mt. 2438 Comment
  CLARK-A1528-1732  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  UCR58506  Chrysothamnus paniculatus Reid Moran 1967-11-7 14648 Riverside Sonoran (Colorado) Desert, 4 mi. north of Palm Springs. 300 Comment
  UCR89704  Chrysothamnus paniculatus J. M. Stewart 1990-10-28 672 Riverside Sonoran Desert. Colorado Desert, Eagle Mountains Comment
  CAS-BOT-BC100783  Chrysothamnus viscidiflorus subsp. viscidiflorus Rev. J. C. Nevin s.n. Riverside San Jacinto Mts. Comment
  UC874207  Chylismia brevipes I. W. Clokey 1935-4-17 6763 Riverside mesa Shafer Wells-Cottonwood Springs 25 Comment
  UCD103717  Chylismia brevipes C. L. Hitchcock 1966-3-20 24305 Riverside 20 miles N of Ogilby, along road to Blythe. Comment
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Mar 2 2013
  SD248462  Chylismia claviformis T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance. 2013-3-8 7283 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  SEINET10799495  Cichorium intybus David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3636 Riverside Found 100 yards above Quad 6 in the wash. In fruit. Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  RSA709866  Cistanthe ambigua Scott D. White, Jennifer H. Jones 2005-4-21 10943 Riverside Eastern Coachella Valley. Bajada beneth Mecca Hills, just east of Coachella Canal. Proposed for expanded gravel mining. 24 Comment
  CAS-BOT-BC438860  Cistanthe monandra John Thomas Howell 1930-5-10 4806 Riverside At top of St. John's Grade Comment
  RSA483570  Cistanthe monandra D. Charlton 1988-5-21 1952 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA699822  Cistus incanus Scott D. White, Michael Honer 2003-4-4 8931 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA791720  Clarkia Robert F. Thorne, Walter Wisura, David Mitchener 1982-05 55196 Riverside Cleveland National Forest: Along Ortega Hwy. 732 Comment
  CLARK-A1528-641  Clarkia cylindrica I. Rauch 1968-5-14 Riverside Santa Ana River Comment
  RSA526507  Clarkia epilobioides Steve Boyd, T. S. Ross 1990-5-11 4702 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  CAS-BOT-BC164737  Clarkia rhomboidea H. M. Hall 1897-6-16 651 Riverside Strawberry Valley 1600 Comment
  CLARK-A1528-5356  Clarkia unguiculata John C. Roos, Lucille Roos 1952-4-28 5587 Riverside Riverside 259 Comment
  UCR16355  Clarkia unguiculata Kirk Taylor 1976-5-29 760529- 10 Riverside Upper Santa Ana River/San Bernardino Valley, Fairmont Park, Houghton Avenue, overlooking south end of Park 244 Comment
  SD217352  Claytonia parviflora subsp. viridis Steve Boyd, Tim Ross, et al 1990-4-2 4036 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  CAS-BOT-BC439795  Claytonia perfoliata Steve Boyd 1986-4-2 1613 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UCR214146  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37710 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  RSA673497  Clematis pauciflora Scott D. White, Sandy Leatherman 2000-4-19 7663 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  UCR213446  Clematis pauciflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37803 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  NY68263  Collinsia callosa H. M. Hall 07 1899 1267 Riverside San Antonio Mountains. Schwartout Cañon. Rim of Mohave desert. 1981.2 Comment
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Jul 14 2010
  SD143712  Collinsia concolor Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20667 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
  UC597598  Collinsia concolor Philip A. Munz 1937-5-30 15090 Riverside n Vandeventer Flat; Santa Rosa Mtns 1676 Comment
  RSA0117412  Collinsia concolor J. D. Olmsted 1962-5-1 3425 Riverside NE slope just west of top of highest Southern Californica waterfall; 1/4 mi SE of Falls Plateau, Snow canyon N of Mt. San Jacinto. 945 Comment
  UCR169394  Collinsia heterophylla T. B. Salvato, John F. Green 2004-5-27 596 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
  UCR236548  Colubrina californica Carolyn Martus, Joseph A. Betzler, Chezzy W. Brungraber, Lance Woolley 2008-4-23 1217 Riverside Sonoran (Colorado) Desert, NW of the Blythe airport and in the washes east of the McCoy Mountains 201 Comment
  UCR207235  Conium maculatum O. F. Clarke 2007-4-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR274069  Conium maculatum Dave Goodward 2016-7-30 716- 1 Riverside San Jacinto Mountains, Garner Valley, c. half mile east of the eastern end of Lake Hemet and c. 0.7 mi southwest of Hwy 74, headwaters of the South Fork of the San Jacinto River 1327 Comment
  CAS-BOT-BC216025  Convolvulus Steve Boyd 1986-5-1 1810 Riverside Lower south slopes of Bachelor Mtn., east end of Lake Skinner, Bachelor Mtn. Comment
  RSA507496  Convolvulus arvensis L. F. LaPre, J. Easton 1988-7-10 s.n. Riverside 1 mi E of of Perris. 427 Comment
  RSA717578  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  UCR92650  Conyza coulteri F. M. Reed 1907-10-16 1971 Riverside Sheep ranch at head of Mockingbird Canyon, at crossing of Elsinore Road, foothills SE of Riverside 457 Comment
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Oct 6 2017
  UC885642  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside Fuller's Creek; San Jacinto Mts 1500 Comment
  JEPS57428  Cordylanthus rigidus subsp. setiger L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-7-14 2028 Riverside just n Sage 731 Comment
  SFV13135  Cordylanthus rigidus subsp. setigerus M. J. Thor 1982-9-16 124 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  POM356007  Coreopsis californica Ora M. Clark 1929-3-2 1608 Riverside Near Alberhill. Comment
  POM6545  Coreopsis californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2362 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA219227  Corethrogyne filaginifolia C. W. Tilforth, John Dourley 1970-9-2 302 Riverside 1 mile S of Lake Fulmor, hwy R1 Comment
  SBBG59864  Cornus nuttallii M. Lewis 1947-8-26 25 Riverside N slope of Dark Cyn 1981 Comment
  CAS-BOT-BC56685  Coryphantha alversonii Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR239815  Cotoneaster pannosus O. F. Clarke 2004-11-28 s.n. Riverside Riverside, south of Fairmont Park 239 Comment
  SD181709  Cotula australis Scott D. White 1999-5-2 7286 Riverside Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca. 1.5-2.0 miles west of I-215. 440 Comment
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Oct 28 2016
  RSA0019000  Crassula aquatica Steve Boyd, Gary D. Wallace 2005-7-30 11654 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  UCR266333  Crassula aquatica D. E. Bramlet 1992-4-15 2230 Riverside Perris-Aguanga Basin Region, west of Hemet, west of Warren Rd. 457 Comment
  UCR137499  Crassula connata D. L. Banks, V. W. Steinmann 1997-3-13 1528 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR230201  Crassula connata A. C. Sanders 2011-4-6 38993 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCD126208  Cressa truxillensis Rimo Bacigalupi; G. T. Robbins 1954-5-16 4467 Riverside valley of San Jacinto River, one-half mile west of Lakeview and just east of Lakeview (formely Ginsberg) Hot Springs. 432 Comment
  UC495323  Crossosoma bigelovii P. A. Munz 1932-4-24 12398 Riverside Snow Creek Canyon San Jacinto Mts. 457 Comment
  UCR18941  Crotalaria retusa John C. Roos 1936-12-2 1534 Riverside edge of a grain field at the Citrus Experiment Sta. (now UCR) Comment
  RSA774894  Croton californicus Duncan S. Bell, Amber Swanson 2011-2-18 2025 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  SEINET7863222 Image available Croton californicus J. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella Valley; just south of Hwy I-10 at Amtrak train station parking , just west of N. Indian Cyn Drive. 7.5' Quad: Desert Hot Springs. 186 Comment
  UCR111576  Croton californicus Mitch Provance 1999-1-5 1739 Riverside Mira Loma, Delhi sand dune remnant on SE corner of Milliken Ave. and Patton Rd. 256 Comment
  UCR114846  Croton californicus Mitch Provance 1998-2-17 55 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. .3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  UCR275361  Croton californicus T. B. Salvato, Melissa Clemons 2005-6-9 1504 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UCR92257  Croton californicus Scott D. White 1995-8-23 3576 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCR153B  Croton setiger O. F. Clarke 1968-3-25 s.n. Riverside Riverside, UCR campus 396 Comment
  RSA663310  Crypsis vaginiflora A. C. Sanders, Mitch Provance 1999-9-26 23081 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  RSA780959  Cryptantha angustifolia Stephanie Rockwood, Christi Gabriel 2011-12-14 218 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  SBBG14709  Cryptantha angustifolia H. and M. Dearing -Mar-1926 Riverside near Salton Sea Comment
  UCR108712  Cryptantha angustifolia Scott D. White, Pam DeVries 1998-2-9 6082 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR85434  Cryptantha angustifolia George K. Helmkamp 1994-4-26 88 6 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  UCSB5537  Cryptantha angustifolia Graney, Don 1953-3-21 Riverside 11 miles east of Indio, Colorado Desert Comment
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Jul 18 2018
  SEINET10455842  Cryptantha angustifolia David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-13 Dunn 2892 Riverside Pushawalla Canyon Biota. Indio Hills. Steep slopes on canyon side. Comment
  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
  UC1063930  Cryptantha barbigera H. S. Yates 1937-3-23 6446 Riverside 15 mi nne Medda; Thermal Quad. 457 Comment
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Apr 6 2011
  UC573091  Cryptantha barbigera Herbert L. Mason 1928-3-10 4228 Riverside Hidden Springs Canyon Coachella Mts. Comment
  UCR86857  Cryptantha barbigera A. C. Sanders, K. C. Rose 1995-4-27 16738 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  UCR226581  Cryptantha barbigera var. fergusoniae Jim Andre 2011-2-18 15827 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR243166  Cryptantha barbigera var. fergusoniae LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4328 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  SEINET12280746  Cryptantha clevelandii J. F. Bright, Wyman, C. 1933-1 8081 Riverside in desert near Palm Springs Comment
  GMDRC5831  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) 242 Comment
  RSA14025  Cryptantha costata P. A. Munz, D. D. Keck 1922-4-14 4971 Riverside Indian Wells 107 Comment
  RSA777447  Cryptantha costata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 968 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  RSA780960  Cryptantha costata Stephanie Rockwood, Christi Gabriel 2011-12-14 219 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  UCR228207  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 133 Comment
  JEPS67627  Cryptantha holoptera W. L. Jepson 1927-4-12 11678 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  POM280807  Cryptantha intermedia Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  POM368270  Cryptantha intermedia M. B. Dunkle 1932-3-25 2875 Riverside Cabazon, Colorado Desert. Comment
  RSA732137  Cryptantha intermedia J. Andre 2006-4-26 8151 Riverside Joshua Tree National Park: upper Long Canyon. 1056 Comment
  UC857162  Cryptantha intermedia Mary F. Spencer 1922-4-23 2087 Riverside Banning Millard Canyon 716 Comment
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Mar 13 2011
  UCR101789  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 1997-3-5 1322 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR104083  Cryptantha intermedia A. C. Sanders, P. J. MacKay, T. S. Thomas, O. F. Clarke 1997-5-4 20637 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
  UCR106338  Cryptantha intermedia John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR112957  Cryptantha intermedia B. G. Pitzer 1998-3-1 3546 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR214583  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37864 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR215620  Cryptantha intermedia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 07 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCR249633  Cryptantha intermedia Mike Bell 2008-3-19 038 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Bonnie Bell, along Whitewater River c. 2 miles north on Whitewater Canyon Rd. from I-10 freeway 537 Comment
  UCR59504  Cryptantha intermedia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3241 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  JOTR37504  Cryptantha maritima Hodges, Stephen R. 2016-3-1 630 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  RSA741225  Cryptantha micrantha var. lepida Scott D. White, Justin M. Wood 2008-5-15 11980 Riverside Johnson Meadow. 1415 Comment
  RSA618174  Cryptantha micromeres D. L. Banks 1997-5-5 2012 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  RSA717464  Cryptantha microstachys Scott D. White 2006-4-28 11318 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR213566  Cryptantha microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37813 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  SEINET238563  Cryptantha muricata George K. Helmkamp 1998-6-27 4094 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  UC1979540  Cryptantha muricata Darin L. Banks, Steve Boyd 1995-5-3 217 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. Comment
  UCR43754  Cryptantha muricata A. C. Sanders, B. Pitzer 1986-4-30 6492 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  SD4237  Cryptantha muricata var. jonesii Fidella G. Woodcock 1928-4-27 Riverside San Jacinto Mountain: Idyllwild Comment
  CLARK-A1528-7857  Cryptantha nevadensis John C. Roos 1949-4-11 4246 Riverside Chuckwalla Mountains Comment
  OBI66287  Cryptantha nevadensis LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1450 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region; Corn Springs campground in the Chuckwalla Mts. cyn SW of campground. UTMs 3721895N, 355238E; and UTM 3720669N, 654757e 549 Comment
  RSA0106708  Cryptantha nevadensis Duncan S. Bell, Amanda Turek 2010-4-9 758 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  UCR216112  Cryptantha nevadensis Jim Andre, T. La Doux 2009-2-25 10807 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  JOTR01184  Cryptantha pterocarya Cole, James E. 1941-4-13 566 Riverside Joshua Tree National Park. 1/2 MILE NORTH OF MEEK'S CABIN, PINTO PASS Comment
  UCR214870  Cryptantha pterocarya var. stenoloba A. C. Sanders 2010-3-15 37401 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UC857249  Cryptantha racemosa C. L. Hitchcock 1940-4-1 5913 Riverside Cottonwood Spring wash Joshua Tree National Monument Comment
  UCR37628  Cryptantha racemosa George K. Helmkamp 1984-5-2 D 14 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  CLARK-A1045-302  Cryptantha utahensis George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  RSA0119886  Cryptantha utahensis Duncan S. Bell, Thomas Stoughton 2016-4-12 9218 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  POM19569  Cuscuta californica Mary F. Spencer 1923-8-4 227 Riverside Fern Valley Idyllwild, San Jacinto Mts. 1646 Comment
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Nov 26 2008
  RSA409704  Cuscuta californica M. B. Dunkle 1934-2-19 3838 Riverside San Juan Canyon 396 Comment
  RSA674613  Cuscuta californica Scott D. White 2000-8-5 8106 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  CAS-BOT-BC224608  Cuscuta californica var. papillosa D. A. Johansen; J. A. Ewan 1932-4-11 7095 Riverside Deep Canyon Wash, Colorado Desert 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
  RSA0105841  Cuscuta pentagona Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR131791  Cycloloma atriplicifolium Mitch Provance 1998-6-11 643 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  RSA0077468  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17728 Riverside Chuckwalla Mountains, Corn Springs Wash, 4km west of Aztec Well. 727 Comment
  UCR2292  Cynodon dactylon F. M. Reed 1903-11-29 83 Riverside Riverside, Ramona Ranch [Blaine St. between Chicago and Iowa, at or near the arroyo crossing] 293 Comment
  RSA522720  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3811 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR441  Cyperus niger var. capitatus O. F. Clarke 1974-11-14 s.n. Riverside Riverside, Santa Ana Riverbottom Park Comment
  UCR85375  Cyperus odoratus A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11743 Riverside Santa Ana River Valley, Rubidoux, Santa Ana River Regional Park, c. 0.3 mi SE of Louis Rubidoux Nature Center Comment
  CAS-BOT-BC114046  Cyperus squarrosus A. C. Sanders; Tracy Tennant; J. Ross 1998-8-20 22233 Riverside Morongo Indian Reservation, lower Millard Canyon. Cabazon 7.5 Q. 841 Comment
  UCR182832  Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-25 5757 Riverside NE Riverside Co., Rice Valley, SE of Danby Dry Lake, south of Highway 62, along Midland (Blythe-Rice) Road, south of railroad crossing 234 Comment
  POM66988  Dalea mollissima Marcus E. Jones 1924-2-7 s.n Riverside Salton Sink near Oasis. Comment
  CLARK-A1656-854  Dalea parryi Jon Mark Stewart 1983-11-14 83-60 Riverside Santa Rosa Mountains 822 Comment
  CAS-BOT-BC283035  Dasyochloa pulchella Peter H. Raven 1958-5-18 12990 Riverside Pinon Flats, San Jacinto Mountains Comment
  RSA795515  Dasyochloa pulchella C. P. Cowan 1978-4-23 1186 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  RSA0124123  Datura discolor Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8738 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  JOTR35005  Datura wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3107 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  UCR279584  Datura wrightii A. C. Sanders, Jim Malusa 2017-3-28 43135 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
  RSA470787  Daucus pusillus Christopher Davidson 1977-5-25 5661 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA500206  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3538 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC293820  Deinandra fasciculata S. B. Parish 1916-6-8 10973 Riverside Between San Bernardino and Riverside 360 Comment
  CAS-BOT-BC294114  Deinandra kelloggii H. A. Dutton 1899-6-12 s.n. Riverside Elsinore - Warm Springs Valley Comment
  SD152930  Deinandra kelloggii Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7691 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  CDA7818  Deinandra mohavensis K. Esau 1935-6-15 Riverside Hemet Valley. 0 Comment
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Dec 14 2011
  CAS-BOT-BC334480  Deinandra paniculata R. E. Riefner, Jr. 2010-6-5 10 -50 Riverside City of Riverside, Sycamore Canyon Park, W ca 0.5 mi from Cottowood Ave. and Sycamore Canyon Blvd. 135 Comment
  UCR266603  Deinandra paniculata Mitch Provance 2011-6-6 17001 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  UCR18913  Delphinium cardinale John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  SEINET3159336  Delphinium parishii S. B. Parish 1907-4-18 6074 Riverside western border of the Colorado desert; from type? station 150 Comment
  CAS-BOT-BC7976  Delphinium parishii subsp. parishii H. Lewis; C. Epling 1941-5-7 S.N. Riverside 3 miles N. of Cottonwood Spring, Joshua Tree Nat. Mon. Comment
  UCR110998  Delphinium parishii subsp. parishii George K. Helmkamp 1998-6-27 4116 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  CLARK-A1528-783  Delphinium parryi C. M. Flanagan 1973-5-31 OO 607 Riverside Morongo Indian Reservation 0 Comment
  SEINET3075589 Image available Delphinium parryi Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 0.5 mi S of intersection with Wilson Valley Road. 701 Comment
  RSA586484B  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-9 341 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SD144438  Delphinium parryi subsp. parryi Scott D. White 1997-5-25 5230 Riverside Bautista Canyon: Hixon Trail between trailhead at Bautista Canyon Road and intermittent stream crossing 975 Comment
  RSA552752  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-3-21 6738 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  RSA0029900  Delphinium patens subsp. montanum Justin M. Wood 2009-5-11 681 Riverside Hwy 243 near Ranger Peak, roadside. 1433 Comment
  JOTR30322  Descurainia pinnata subsp. glabra La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1766 Riverside Joshua Tree National Park. Hexie Mountains, southern end; Porcupine Wash. Stop #1: Open sandy wash near road heading to Cottonwood. 745 Comment
  POM97780  Dicentra chrysantha Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  UCR158262  Dichelostemma capitatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30117 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
  JOTR30225  Dichelostemma capitatum subsp. capitatum Leary, C. and Leary, Pat 1979-5-5 2991 Riverside Joshua Tree National Park. Above Lower Covington Flats, Joshua Tree National Monument, T2S R7E sec 6 Comment
  UCR2920  Dichelostemma capitatum subsp. capitatum Nancy Atha 1963-3-24 32463- 02 Riverside Upper Santa Ana River/San Bernardino Valley region, Riverside, NW side of [Quarry Hill] at the corner of Madison St. and Victoria Ave 335 Comment
  CAS-BOT-BC292199  Dicoria canescens M. E. Jones 1933-11-7 s.n. Riverside Cabazon Comment
  POM356428  Dicoria canescens Allen 1921-10-1 s.n. Riverside Palm Springs. Comment
  POM356429  Dicoria canescens L. E. Hoffman 1932-11-26 17094 Riverside Beaumont - Banning Pass [San Gorgorino Pass] Comment
  RSA775090  Dicoria canescens Duncan S. Bell, Amber Swanson 2011-2-18 2040 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR38956  Dicoria canescens David J. Keil 1976-12-12 11928 Riverside Sonoran (Colorado) Desert, [Chuckwalla Valley] along Interstate Hwy 10, 37 mi east of Chiriaco Summit Comment
  CAS-BOT-BC292249  Dieteria asteroides var. asteroides Durant; Street 1918-5-13 1 Riverside Near Hemit [Hemet] 335 Comment
  CAS-BOT-BC209015  Digitaria sanguinalis Scott D. White; Steve Ogg 1994-10-17 2499 Riverside City of Temecula, Murrieta Ck channel at confluence w/Sta. Gertrudis Ck. USGS 7 1/2 ' Murrieta quad. 313 Comment
  CAS-BOT-BC152916  Diplacus brevipes Peter H. Raven; R. Snow 1957-7-26 11087 Riverside Banning-Idyllwild road 0.9 mi. n. of Vista Grande Ranger station, San Jacinto Mts. Comment
  CAS-BOT-BC153094  Diplacus fremontii Peter H. Raven; R. Snow 1957-7-26 11121 Riverside 1.8 mi. above Lake Fulmor San Jacinto Mts. Comment
  SEINET8370224  Diplacus puniceus L. P. Janeway 2004-8-5 8066 Riverside Peninsular Ranges; Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek; on slope above road, bottom of the canyon. 421 Comment
  UCR202224  Distichlis spicata 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
  SEINET3928440  Distichlis stricta Faulkner 1978-3-21 352 Riverside 9 miles No. of Blythe Highway 95, Saline flat.; 0 152 Comment
  UCR42409  Ditaxis californica J. M. Stewart 1986-1-20 86- 3 Riverside Sonoran (Colorado) Desert, Divide between the Mecca Hills and the Orocopia Mtns. Comment
  UCR114113  Ditaxis lanceolata B. G. Pitzer, J. Ross 1998-3-8 3609 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA676145  Ditaxis neomexicana Scott D. White 2001-4-12 8311 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA793973  Ditaxis serrata var. serrata Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4352 Riverside Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam. 97 Comment
  RSA780571  Dithyrea californica Stephanie Rockwood, Christi Gabriel 2011-11-7 196 Riverside Rice Valley. Highway 62 to Blythe/Rice Road. About 1 mile from highway. 229 Comment
  UCSB2310  Dithyrea californica Haller, John 1957-3-23 Riverside Morongo Wash, ca. 4.5 road miles N. of U.S. 99, & 3 air miles S of Riverside-San Bernardino Co. line 609 Comment
  CAS-BOT-BC412632  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  RSA321312  Dodecahema leptoceras L. B. Ziegler 1967-6-14 158 Riverside Bautista Creek Canyon 750 Comment
  SBBG62189  Dodecahema leptoceras unknown -May-1901 Riverside Elsinore Comment
  UCR97469  Dodecatheon clevelandii A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19762 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
  UCR222311  Downingia bella R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55200 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  UCR23127  Draba corrugata J. C. Lyman 1981-5-28 s.n. Riverside San Jacinto Mtns., gully behind Tahquitz Peak Comment
  CAS-BOT-BC41633  Draba corrugata var. saxosa J. Ewan 1930-9-1 s.n. Riverside Summit of Mount San Jacinto. 3293 Comment
  RSA698475  Dryopteris arguta Jeanne Paxton 1934-4-15 s.n. Riverside Hagador Canyon Comment
  UCR262566  Dryopteris arguta T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3755 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  SEINET8060387 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 17 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
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Jun 5 2016
  RSA0125246  Echinocereus engelmannii var. engelmannii H. G. Rush 1951-6-6 184 Riverside Big Maria Mountain Range. 35 miles north of Blythe on Highway 95. 91 Comment
  UCR115129  Echinochloa colona Mitch Provance 2000-10-28 2278 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR230603  Echinochloa colona A. C. Sanders 2011-9-15 39893 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  RSA192242  Echinochloa crus-galli H. A. Zuill 1966-7-17 291 Riverside About 9 miles SW of Murrieta on the De Luz Road. Comment
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Jan 23 2009
  RSA40573  Eclipta prostrata J. C. Roos 1948-10-23 s.n. Riverside Mud at edge of shallow pool. Comment
  HSC37506  Ehrendorferia chrysantha J. D. Ackerman, A. M. Montalvo 1975-6-26 529 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  RSA623564  Eleocharis engelmannii R. E. Riefner 1998-10-15 98 -522 Riverside Menefee-Paloma Valley Comment
  CAS-BOT-BC112744  Eleocharis geniculata A. C. Sanders; P. MacKay; G. Helmkamp; J. Stewart; C. L. Sanders 1994-12-1 15888 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity. -30 Comment
  UCR154539  Eleocharis macrostachya Jason L. Hlebakos 2005-5-18 710 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  RSA526161  Eleocharis montevidensis Steve Boyd, Timothy S. Ross 1990-5-11 4664 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  CDA20777  Eleusine indica M. Lahti 2006-9-18 PDR 1357285 B Riverside Island Growers, Anza Rd., Temecula. In Ivy stock containers. Widespread weed in nursery, but not particularly common. 0 Comment
  SD204779  Elymus condensatus Sarah J. De Groot, Beth Kempton 2006-3-16 5207 Riverside San Jacinto Mountains; dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Flat. 551 Comment
  POM13071  Elymus elymoides E. C. Jaeger 1921-6-25 s.n. Riverside Caramba, Palms to Pines Trail, San Jacinto Mountains., [Caramba Camp: 34 deg 47'N, 116 deg 37'25W] Comment
  JOTR36416  Elymus elymoides subsp. brevifolius La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3362 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  UC821521  Elymus elymoides subsp. elymoides P. A. Munz 1922-6-28 5883 Riverside Santa Rosa Mts.; higher slopes 2407 Comment
  RSA263696  Elymus glaucus E. W. Lathrop 1966-5-26 6339 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA561887  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross 1992-6-10 7641 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido',, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  UCR20886  Elymus stebbinsii A. C. Sanders 1978-7-1 862 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UC162678  Emmenanthe penduliflora H. M. Hall May 1899 Riverside San Jacinto Mts., El Toro Mt., Coyote Canyon Comment
  UCR93028  Emmenanthe penduliflora G. P. Schultz 1994-4-8 61 Riverside Box Springs Mtns., mouth of Two Trees Canyon ( on the north side of the stream, in an open field) 410 Comment
  SEINET5495371  Emmenanthe penduliflora H. M. Hall 3789 Riverside Vicinity of Riverside 366 Comment
  UCR268947  Emmenanthe penduliflora var. penduliflora Jim Andre 2015-3-2 31358 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  HSC25923  Encelia actoni Richard Spjut 1972-1-20 2128 Riverside Colorado Desert; N base of the Chuckawalla Mtns. 305 Comment
  LA26721  Encelia actoni William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  POM49128  Encelia actoni Mary F. Spencer 1919-7-9 1188 Riverside Foothills of San Jacinto Mt. 572 Comment
  CHSC109007  Encelia farinosa Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4540 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.95609, W116.64365 and N33.95477, W116.64248. 525 Comment
  HSC84149  Encelia farinosa H. A. Heaton 1987-3-5 17 Riverside San Jacinto Mtns., 0.9 mi. up Bee Canyon from Hwy. 74 503 Comment
  LA202444  Encelia farinosa T. A. Geissman; 1968-3-23 32368 -EFW Riverside On Morongo Valley hwy near Whitewater turnoff Comment
  POM41496  Encelia farinosa Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sea near Oasis. Comment
  SEINET242415  Encelia farinosa Donald Kyhos 1965-3-13 65 -111 Riverside 6.2 mi W of junction Hwy 78 and Hwy 60-70 near Blythe. Comment
  RSA0045282  Encelia farinosa Viki Cruz 1983-5-8 001 Riverside Just off Indian Trial[Trail] Road where the dirt road begins. Magnesha[Magnesia] Canyon, Santa Rosa Mts. Comment
  SEINET10618306  Encelia farinosa Billy Joe Cox 1975-4-23 Cox 4130 Riverside Palo Verde, 1-3 km. W, (ca. 32 mi. S of Blythe). Riverside-Imperial Counties. 70 Comment
  RSA38703  Encelia farinosa var. farinosa Percy C. Everett 1945-6-7 11507 Riverside Roadside on dry gentle slope in Franciscan sand stone, Santa Ana Mts, Indian Canyon, 0.5 miles above US Forest Service gate on Indian Canyon True. 457 Comment
  RSA556519  Encelia farinosa var. farinosa Julie Greene 1993-4-10 1129 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  SEINET9357623  Encelia virginensis var. actoni Unknown 1936-12-22 Riverside Riverside Comment
  CAS-BOT-BC409252  Ephedra Lester Rowntree 1934-3-24 s.n. Riverside Morongo Valley Comment
  RSA383851  Ephedra aspera N. R. Zabriskie, W. M. Zabriskie 1972-3-28 480 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mountains 610 Comment
  POM6378  Ephedra californica Philip A. Munz, L. T. Street, G. Williams 1919-3-25 2310 Riverside Sand dunes. Whitewater. 305 Comment
  RSA317187  Ephedra californica S. Carlquist 1984-5-22 15806 Riverside Between Palm Springs and Cabazon on Interstate Highway 10 from San Bernardino to Yuma. Comment
  UC1007228  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside 2 mi n, Banning-Indio boulevard; Southern California, Whitewater Canyon Comment
  UC1007229  Ephedra californica Philip A. Munz 1940-3-22 15657 Riverside 2 mi n Banning-Indio boulevard; Southern California, Whitewater Canyon Comment
  UCR116596  Ephedra californica A. C. Sanders 2001-3-20 23843 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  RSA678363  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  SBBG51153  Ephedra viridis N. R. Zabriskie, W. Zabriskie 1974-3-30 696 Riverside S of jct with North Cyn, Andreas Cyn Comment
  POM47979  Epilobium angustifolium subsp. circumvagum P. A. Munz, I. M. Johnston 1924-7-27 8731 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  RSA191412  Epilobium canum subsp. canum E. W. Lathrop, Thorne 1967-9-26 6610 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  JOTR36393  Epilobium canum subsp. latifolium La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3345 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  RSA698280  Epilobium oregonense J. R. Bruff 1934-7-5 s.n. Riverside [Unspecified] 2896 Comment
  IRVC14058  Epipactis gigantea C. A. Taylor 1965-5-14 66 95 Riverside Andres Cyn; Agua Caliente Indian Reservation Sonoran Desert/Peninsular Ranges 976 Comment
  RSA381725  Epipactis gigantea Joseph A. Ewan 1930-4-17 3051 Riverside Warners Ranch at Whitewater. 396 Comment
  SEINET13710791  Epipactis gigantea A. Alexis, A. Alexis 1978-1 Riverside Along State Highway 74 Near Sitton Peak Comment
  SD81654  Equisetum arvense Louis C. Wheeler 1931-10-4 214 Riverside San Jacinto Mountains, Strawberry Valley 1555 Comment
  RSA0037243  Equisetum funstonii Keith E. Hoffmaster 1934-4-22 s.n. Riverside Santa Ana Mts. Comment
  UCSC001069  Equisetum hyemale subsp. affine Peter Kamb 1948-10-31 1277 Riverside Hall Canyon, San Jacinto Mts 1646 Comment
  UCR159110  Eragrostis A. C. Sanders 1997-12-3 21627 Riverside Moreno Valley, March Air Base, near Riverside 466 Comment
  CLARK-A1528-4628  Eragrostis cilianensis John C. Roos 1965-7-7 Riverside San Jacinto Comment
  UCSB51406  Eragrostis curvula Roos, John 1965-9-16 Riverside Lakeview Comment
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Sep 19 2018
  UCR23991  Eragrostis curvula var. curvula John C. Roos 1965-9-16 s.n. Riverside Lakeview Comment
  RSA4861  Eremalche exilis Carl B. Wolf 1932-4-27 3027 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  CLARK-A1528-3224  Eremalche rotundifolia John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  CLARK-A1528-615  Eremalche rotundifolia Susan Larisch 1963-3-23 62 Riverside Box Canyon Comment
  POM49756  Eremalche rotundifolia Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  SBBG60443  Eremothera boothii subsp. condensata L. Rowntree 1930-5-7 Riverside Hidden Springs Comment
  CAS-BOT-BC160221  Eremothera boothii subsp. desertorum N. Aitkenhead 1977-2-2 2179 Riverside ~1 mi. from inter. of JT Mon Rd & pipeline Comment
  SBBG81712  Eremothera chamaenerioides S. A. Junak 1983-3-24 1657 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  UCR279551  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-29 43175 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UCSB4490  Eremothera refracta Broder, Richard 1958-3-1 Riverside 2 miles south of south entrance to Joshua Tree National Monument, US 60-70 Comment
  JOTR29151  Eriastrum densifolium subsp. austromontanum La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1228 Riverside Joshua Tree National Park. Eureka Peak Comment
  UCR126199  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 137 Riverside San Jacinto Mtns., Thomas Mtn. Road, 1.5 km west of Thomas Mtn. Campground, both sides of road 1939 Comment
  JEPS24948  Eriastrum diffusum P. A. Munz and I. M. Johnston 1922-5-6 5169 Riverside Dry Morongo Wash Little San Bernardino Mountains Comment
  UCR202210  Eriastrum eremicum Peter L. Morrell, D. E. Krause 1995-5-1 460 Riverside Sonoran (Colorado) Desert, Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd., near cargo entrance to Palm Springs Municipal Airport 123 Comment
  JOTR32374  Eriastrum eremicum subsp. eremicum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2485 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  UC666379  Eriastrum eremicum subsp. eremicum Annie M. Alexander and Louise Kellogg 1941-6-1 2265 Riverside Intersection of Morongo and main highway. 243 Comment
  UC971781  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave and Ramon Road, Palm Springs. Comment
  RSA0029393  Eriastrum harwoodii Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4683 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA0120683  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  UCR245660  Eriastrum harwoodii Duncan S. Bell 2010-4-2 686 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; c. 2.5 air miles northwest of Priest Well; at the head of the main western drainage for the mountain range 559 Comment
  SDSU3047  Eriastrum sapphirinum Thomas A. Zink 1971-6-1 Riverside Along Indian Canyon Road. about 1/4 mile west of junction woth Temescal Canyon Road. 366 Comment
  UC708663  Eriastrum sapphirinum R. Bacigalupi 1941-8-30 2700 Riverside upper end of Kenworthy Flats San Jacinto Mountains 1392 Comment
  UCR13882  Eriastrum sapphirinum J. Zabriskie 1973-8-15 375 Riverside Santa Rosa Mountains, Stump Spring 2348 Comment
  CAS-BOT-BC515006  Eriastrum sapphirinum subsp. dasyanthum P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17283 Riverside 6.7 mi W along Hwy 74 from jct with road S from Idyllwild 914 Comment
  SD119909  Eriastrum sapphirinum subsp. sapphirinum Louis B. Ziegler 1972-9-5 492 Riverside Hemet Valley. 1402 Comment
  UCSB16708  Eriastrum sapphirinum subsp. sapphirinum Dearing, Hugh; Dearing, Margaret 1940-6-8 Riverside Pines to Palms Highway west of Ribbonwood Comment
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Nov 19 2011
  CAS-BOT-BC515048  Eriastrum sapphirinum subsp. sapphirinum R. Bacigalupi 1941-8-30 2700 Riverside San Jacinto Mts., upper end of Kenworthy Flats 1392 Comment
  UCR149852  Ericameria cooperi Scott D. White, Michael Honer 2004-4-6 10047 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UC101091  Ericameria cooperi var. cooperi H. M. Hall 1901-5-1 Riverside vicinity of Riverside (w Riverside hills) Comment
  POM359340  Ericameria cuneata var. spathulata Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  POM9675  Ericameria cuneata var. spathulata E. C. Jaeger 1921-11-15 257 Riverside Near Keyes Ranch. 1220 Comment
  POM359410  Ericameria linearifolia Anstruther Davidson 1927-6-1 s.n. Riverside Riverside County Comment
  UCR113191  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  RSA606372  Ericameria parishii Jon E. Keeley, J. T. Rothrock 1992-11-11 22534 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA774065  Erigeron foliosus Duncan S. Bell, Jeffrey Morawetz, Kathleen Ashbaker 2010-6-28 1434 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  UCR264075  Erigeron foliosus S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1079 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  JEPS41487  Erigeron foliosus var. foliosus W. L. Jepson and H. M. Hall 1901-5-19 1275 Riverside San Jacinto River Canyon 388 Comment
  RSA585500  Erigeron foliosus var. foliosus D. L. Banks, Steve Boyd 1995-5-9 0362 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UC31477  Erigeron foliosus var. foliosus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1275 Riverside Canyon of San Jacinto River Comment
  UCR150574  Erigeron foliosus var. foliosus D. L. Banks, Michael Kinney 1998-6-8 2210 Riverside Peninsular Ranges; Palomar Mountains region, NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation, just before the Riverside/San Diego County line border 476 Comment
  RSA503428  Erigeron foliosus var. stenophyllus J. D. Olmsted 1962-5-10 3663 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  POM319080  Eriodictyon crassifolium Patricia Wilder 1971-9-29 5267 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
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Mar 27 2011
  RSA455013  Eriodictyon crassifolium N. R. Zabriskie, W. M. Zabriskie 1970-3-27 269 Riverside below Andreas Canyon Club clubhouse; Andreas Canyon. 305 Comment
  SD48518  Eriodictyon crassifolium E. K. Balls, P. C. Everett 1957-11-4 22743 Riverside Snow Creek, north base San Jacinto Mountains. 701 Comment
  POM312183  Eriodictyon crassifolium var. crassifolium N. Cooper 1944-4-8 1066 Riverside Andreas Canyon. 305 Comment
  CAS-BOT-BC188971  Eriodictyon parryi Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC222693  Eriodictyon trichocalyx Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UC1523408  Eriodictyon trichocalyx var. trichocalyx Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54099 Riverside flood plain (wash) along Whitewater River ca 3 mi n Whitewater P.O.; San Bernardino Mts., along Whitewater River 591 Comment
  UC489082  Eriogonum apiculatum C. V. Meyer 1928-7-26 527 Riverside San Jacinto Mt. 2072 Comment
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Nov 12 2011
  UCR111261  Eriogonum apiculatum Ralph Hoffmann 1929-9-7 s.n. Riverside San Jacinto Mountains, Fuller's Mill 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
  RSA655085  Eriogonum davidsonii Scott D. White 1999-11-12 7631 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  RSA690990  Eriogonum deflexum Scott D. White, Michael Honer 2003-5-14 9266 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR58876  Eriogonum deflexum J. M. Stewart 1989-10-16 611 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  SEINET11937895  Eriogonum deflexum var. deflexum L. S. Rose 1936-1 36824 Riverside Hayfield, 5 mi W of Desert Center 610 Comment
  UCR112312  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23446 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA392663  Eriogonum fasciculatum var. flavoviride Jack Rempel, Erwin Miller 1934-4-28 s.n. Riverside Lost Horse 1296 Comment
  CAS-BOT-BC249961  Eriogonum fasciculatum var. foliolosum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC167187  Eriogonum fasciculatum var. polifolium Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9005 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  LA84261  Eriogonum fasciculatum var. polifolium O. H. Kappler; 1948-4-18 1652 Riverside Whitewater Comment
  POM49850  Eriogonum fasciculatum var. polifolium P. A. Munz, I. M. Johnston 1924-7-29 8881 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA393344  Eriogonum fasciculatum var. polifolium N. R. Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
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Oct 1 2011
  CAS-BOT-BC253496  Eriogonum gracile James L. Reveal; C. Rose Broome 1987-6-27 6602 Riverside Along the road to Dunkel Spring (Esperanza Avenue) southeast of Cabazon in the riverbed of the San Gorgonio River, San Gorgonio Pass 541 Comment
  RSA242184  Eriogonum gracile var. gracile James L. Reveal, Caroline G. Reveal 1972-8-9 2850 Riverside Along California Highway 74 at Strawberry Creek, about 5.5 miles west of the junction with Highway 243. 915 Comment
  RSA736551  Eriogonum gracile var. gracile Scott D. White, Angelia Carey 2004-7-2 10582 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR20400  Eriogonum gracile var. gracile John C. Roos 1952-8-27 5888 Riverside Peninsular Range, Riverside; Pigeon Pass, Box Springs Mtns. 457 Comment
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Apr 16 2011
  RSA735605  Eriogonum gracile var. incultum LeRoy Gross, Duncan S. Bell 2008-9-16 3583 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  RSA650879  Eriogonum inflatum Dick Crowell 1949-3-25 s.n. Riverside 15 miles east of Indio on Hwy 60. 1/2 mile off road. 457 Comment
  UC849554  Eriogonum inflatum var. deflatum C. L. Hitchcock 1940-4-3 5928 Riverside 1 1/2 mi ne along 29 Palms Road Cottonwood Springs; Joshua Tree National Monument Comment
  RSA0094199  Eriogonum maculatum Jim M. Andre 2012-4-11 20794 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  SD22472  Eriogonum molestum Susan G. Stokes 1933-7-1 Riverside Idyllwild to summit of Banning Grade 1584 Comment
  JOTR16816  Eriogonum nidularium Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA VICINITY RANGER STATION 1310 Comment
  RSA339230  Eriogonum nidularium Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-23 53598 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  CLARK-A1528-3677  Eriogonum nudum subsp. pauciflorum John C. Roos 1943-10-16 2740 Riverside Little San Bernardino Mountains Comment
  SD67901  Eriogonum nudum var. pauciflorum Reid Moran 1968-8-3 15347 Riverside ridge 1 mile NW of Toro Peak, NE slope 2250 Comment
  UC56366  Eriogonum nudum var. pauciflorum J. Vandeventer 1903-1 14 Riverside San Jacinto Mts. Comment
  RSA0123084  Eriogonum saxatile Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8977 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  CAS-BOT-BC263529  Eriogonum thomasii Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, Colorado Desert Comment
  CAS-BOT-BC263533  Eriogonum thomasii S. B. Parish 1906-5-1 440 -6741 Riverside Colorado Desert at Palm Springs Comment
  JEPS56264  Eriogonum thomasii W. L. Jepson 1928-4-26 12642 Riverside Whitewater Bridge San Gorgonio Pass, Whitewater Bridge Comment
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Jan 14 2010
  JOTR35092  Eriogonum thomasii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3543 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  JOTR37422  Eriogonum thomasii La Doux, Tasha 2016-3-9 3658 Riverside Above Hayfield Dry Lake - Stop 1 509 Comment
  POM126311  Eriogonum thomasii Thos. Craig 1927-4-2 21 Riverside Hidden Springs Canyon; Colorado Desert. Comment
  POM14064  Eriogonum thomasii P. A. Munz, D. D. Keck 1922-4-9 4869 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA644221  Eriogonum thomasii Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1368 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  SBBG99612  Eriogonum thomasii W. L. Halvorson 1977-3-8 77 -92 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCD101293  Eriogonum thomasii A. C. Sanders 1988-5-11 7811 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 548 Comment
  RSA718297  Eriogonum thomasii Michael Honer, L. Hulse 2004-4-2 1878 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  CAS-BOT-BC262874  Eriogonum thurberi Annie M. Alexander; Louise Kellogg 1941-4-24 2077 Riverside Morongo Valley Gorge of Dry Morongo Creek 640 Comment
  CLARK-A1045-213  Eriogonum trichopes George K. Helmkamp 1979-4-18 Riverside Indio Hills Dillon Road at dry wash; Lost Horse Mtn. 15'Q Comment
  SBBG1672  Eriogonum wrightii var. membranaceum H. and M. Dearing 1936-12-26 142 Riverside Palms to Pines Hwy 1066 Comment
  POM184162  Eriogonum wrightii var. nodosum M. French Gilman 1932-11-30 10 Riverside Near Andreas Canyon, Palm Springs. Comment
  RSA772058  Eriogonum wrightii var. nodosum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4623 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JOTR16821  Eriogonum wrightii var. wrightii Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF DESERT QUEEN MINE 1341 Comment
  RSA94418  Eriophyllum ambiguum var. paleaceum F. W. Peirson 1920-2-16 1387 Riverside Murray Canyon, Palm Springs region. 274 Comment
  CLARK-A1528-1837  Eriophyllum confertiflorum John C. Roos 1948-5-1 3811 Riverside Whitewater 548 Comment
  RSA543182  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6121 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
  UCD132157  Eriophyllum confertiflorum E. W. Lathrop Date Unknown 6420 Riverside Corona, Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
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Jun 16 2013
  UCR121327  Eriophyllum confertiflorum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24992 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  UCSB26795  Eriophyllum confertiflorum Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mtns. 2377 Comment
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Apr 1 2014
  POM230230  Eriophyllum multicaule I. W. Clokey 1933-4-18 6987 Riverside Gavilan [Peak] 600 Comment
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Oct 30 2011
  POM358078  Eriophyllum multicaule B. C. Templeton 1931-4-23 s.n. Riverside Gavilan Peak. 600 Comment
  POM358079  Eriophyllum multicaule M. B. Dunkle 1935-3-10 4355 Riverside Temescal Canyon. 274 Comment
  UCR213610  Eriophyllum multicaule A. C. Sanders, Matthew Malle 2010-4-23 38002 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  SFV3902  Eriophyllum wallacei P. G. Kilburn 1958-5-16 808 Riverside San Jacinto Mountains Pinyon Flat Campground, 12 miles south of Palm Desert. 1220 Comment
  UCSB54161  Eriophyllum wallacei McKinley, Gale 1985-3-27 Riverside 1/2 mile N of site #9 in Ryan Campground in Joshua Tree National Monument 1280 Comment
  UCR120950  Erodium botrys A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23878 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  RSA543586  Erodium brachycarpum Steve Boyd 1991-5-6 6138 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  UCR178525  Erodium cicutarium R. G. Swinney 1967-2-12 0027 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  CLARK-A1528-2959  Erodium moschatum John C. Roos 1952-4-9 5480 Riverside Riverside 259 Comment
  HSC8508  Erodium texanum C. L. Hitchcock 1966-3-20 24308 Riverside 30 mi. N of Ogilby, along road to Blythe Comment
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Mar 2 2013
  UCR154538  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-18 711 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  SDSU10779  Erythranthe guttata M. De Lisle 1962-7-28 18 Riverside Black Mtn. camp grounds. Montane Forest. 2347 Comment
  UCD96510  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 512 Riverside California. Riverside County: Joshua Tree National Park. 724 Comment
  UC118510  Eschscholzia californica Charlotte M. Wilder June, 1905 652 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  UCR137498  Eschscholzia californica D. L. Banks, V. W. Steinmann 1997-3-13 1530 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR152637  Eschscholzia californica A. C. Sanders 2005-4-22 29609 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA495449  Eschscholzia californica subsp. californica Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2977 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA192345  Eschscholzia californica var. peninsularis E. W. Lathrop 1966-5-15 6312 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA503429  Eschscholzia californica var. peninsularis J. D. Olmsted 1962-5-10 3661 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  CAS-BOT-BC83178  Eschscholzia minutiflora Ynez Whilton Winblad 1937-3-21 s.n. Riverside Box Canyon, Coachella Valley. Comment
  RSA3967  Eschscholzia minutiflora Carl B. Wolf 1932-4-29 3106 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  CAS-BOT-BC419607  Eschscholzia parishii W. G. Wright 1890-4-1 s.n. Riverside Whitewater, Colorado Desert Comment
  CAS-BOT-BC419613  Eschscholzia parishii Milo S. Baker 1928-4-3 3243 a Riverside Palm Sps Canon [Canyon] Comment
  CAS-BOT-BC5930  Eschscholzia parishii Samuel Bonsal Parish; William Fletcher Parish 1882-4-1 759 Riverside Whitewater; Eastern slope of San Bernardino Mt. Comment
  RSA0022916  Eschscholzia parishii P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  SEINET3347397 Image available Eschscholzia parishii Jim Andre, T. La Doux 2009-3-10 11234 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCSB3662  Eschscholzia parishii Haller, John 1958-3-22 Riverside immediately S of Hwys 60-70; 5.8 miles E. of Desert Center Comment
  UCR51352  Eucalyptus camaldulensis S. J. Myers 1988-1-27 s.n. Riverside Partin Development, Nuevo Road and Foothill Avenue, c. 1.5 mi west of Nuevo 442 Comment
  RSA615095  Eucrypta chrysanthemifolia D. L. Banks 1997-3-29 1584 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR241636  Eucrypta chrysanthemifolia T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 350 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  POM145350  Eucrypta chrysanthemifolia var. bipinnatifida J. B. Feudge 1927-3-22 1849 Riverside Palm Springs 183 Comment
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Nov 12 2011
  RSA703406  Eucrypta chrysanthemifolia var. bipinnatifida LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1458 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  CLARK-A1528-2973  Eucrypta micrantha John C. Roos 1958-2-21 Riverside Chuckwalla Mountains Comment
  POM13894  Eucrypta micrantha P. A. Munz, D. D. Keck 1920-4-9 4830 Riverside S base of Eagle Mtns. 213 Comment
  SBBG64804  Eucrypta micrantha Anstruther Davidson 1985-1 Riverside Palm Springs Comment
  HSC24947  Euonymus occidentalis var. parishii Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mtns. 1921 Comment
  POM13909  Euphorbia eriantha P. A. Munz, D. D. Keck 1922-4-13 4820 Riverside Eagle Mountains. 244 Comment
  RSA0041458  Euphorbia eriantha Duncan S. Bell, LeRoy Gross 2014-3-20 6275 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCR176690  Euphorbia maculata R. D. Goeden, Don W. Ricker 1965-6-18 s.n. Riverside Riverside, north side of Blaine St. just west of Gage Canal 313 Comment
  UCR23189  Euphorbia maculata S. Gallagher 1981-6-1 30 Riverside Riverside, intersection of Serpentine Road & Palmyrita Avenue, SE corner, 10 m S from Palmyrita Ave. street sign. 305 Comment
  UCR5294  Euphorbia micromera O. F. Clarke 1966-10-5 661005- 25 Riverside Santa Rosa Mtns./ Sonoran (Colorado) Desert, University of Calif, Riverside Reserve [Deep Canyon], Big Horn Drive [to?] Royal Carrizo Rd 915 Comment
  SD181560  Euphorbia parishii Scott D. White 1999-4-20 7279 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95, ca. 7 miles north of Interstate 10. 89 Comment
  CLARK-A1656-887  Euphorbia polycarpa Jim Cornett 1977-6-25 Riverside Desert Hot Springs 411 Comment
  UCD142735  Euphorbia polycarpa A. C. Sanders 1994-1-30 14224 Riverside Box Springs Mountains, E-facing open slope at the head of Big Springs Canyon. SE of peak 2602. 762 Comment
  UCR41338  Euphorbia polycarpa N. M. Fellows 1985-1-5 61 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
  RSA432481A  Euphorbia polycarpa var. vestita B. C. Templeton, I. W. Clokey 1930-4-9 1013 Riverside North of Palm Springs. Colorado desert 400 Comment
  UCR84060  Euphorbia prostrata A. C. Sanders, L. Ard 1994-7-11 15061 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  UCR20517  Euphorbia serpillifolia H. A. Zuill 1966-6-29 264 Riverside Santa Ana Mtns., Santa Rosa Plateau, Cole Canyon, 2 mi. [NW] of Murrieta Comment
  POM182066  Fagonia laevis Philip A. Munz 1932-3-14 11982 Riverside Colorado Desert, Coachella Valley, Deep Canyon. 152 Comment
  RSA709875  Fagonia laevis Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4620 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SEINET3004970  Fagonia laevis G. Rink 2011-3-25 10396 Riverside Desert pavement north of Blythe, east of the McCoy Mtns 115 Comment
  UCR90324  Fagonia laevis Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  UCSB41347  Fagonia laevis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Rd 7 miles southwest of junction with Chuckwalla Rd. 457 Comment
  JOTR31894  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  UCR113941  Festuca arundinacea Mitch Provance 2000-6-24 2065 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CLARK-A1045-95  Festuca megalura George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains 6 miles west of Pine Cove; on dirt road near North Fork of the San Jacinto River; ; Lake Fulmor 7.5'Q 1676 Comment
  UCR137606  Festuca microstachys Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2276 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SEINET10516217  Festuca ovina David B. Dunn, Shogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3705 Riverside Pushawalla; in the wash Indio Hills, Colorado Desert. Comment
  CLARK-A1528-4670  Festuca reflexa John C. Roos 1938-4-9 1641 Riverside Riverside Comment
  RSA525276  Filago californica Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4590 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR155942  Filago californica T. B. Salvato, Kent Beaman 2005-5-16 823 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
  UCR98697  Filago californica 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
  RSA96633  Fouquieria splendens E. K. Balls 1954-4-19 19038 Riverside [Unspecified] 61 Comment
  UCR207695  Fragaria vesca Justin M. Wood, Brandy N. Wood 2009-6-13 885 Riverside San Jacinto Mountains, Idyllwild County Park, Lily Creek and adjacent slope to west of campground 1616 Comment
  CAS-BOT-BC217648  Fraxinus dipetala A. C. Sanders; Mark Elvin; Vipul Joshi 2002-4-26 25032 Riverside West fork of Laborde Canyon near old rocket test facility, The Badlands 621 Comment
  RSA0103088  Fraxinus velutina Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8552 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  CAS-BOT-BC520432  Fumaria officinalis O. F. Clarke 2004-3-13 s.n. Riverside Peninsular Range: Riverside: O.F. Clarke residence, 266 Frost Court, E edge of UCR campus 350 Comment
  RSA0023060  Funastrum cynanchoides var. cynanchoides John F. Emmel 1995-4-21 1362 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 488 Comment
  JOTR34312  Funastrum hirtellum Andre, Jim 2012-4-11 20727 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA4954  Funastrum hirtellum C. B. Wolf 1932-4-27 3044 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  RSA644216  Funastrum hirtellum V. W. Steinmann, P. I. Moscosa, Timothy S. Ross 1998-4-14 1364 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. 182 Comment
  RSA675985  Funastrum hirtellum Scott D. White 2001-4-17 8337 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  RSA0035482  Galium angustifolium A. C. Sanders 2013-7-6 40855 Riverside SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  RSA673471  Galium angustifolium Scott D. White, Tasha La Doux 2000-4-20 7716 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  JEPS56075  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4177 Riverside Hwy 79 10.1 mi s Hemet (e-facing slope in hills) Comment
  POM367709  Galium angustifolium subsp. angustifolium N. R. Zabriskie, W. M. Zabriskie 1972-6-18 526 Riverside Along fire road S of S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild. 1921 Comment
  UC888704  Galium angustifolium subsp. angustifolium C. L. Hitchcock 1940-4-12 6039 Riverside 8 mi nw Elsinore 457 Comment
  OBI69999  Galium angustifolium subsp. gabrielense David Charlton 1988-5-21 1912 Riverside Thomas Mountain Rd, from N to S. West of Garner Valley and S of Lake Hemet on hwy 74 1829 Comment
  RSA0103090  Galium angustifolium subsp. gracillimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8550 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UCR123869  Galium angustifolium subsp. gracillimum Steven R. Hill 2001-5-3 33675 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
  RSA689697  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UC1929484  Galium angustifolium subsp. jacinticum Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1708 Riverside Peninsular Ranges; San Jacinto Mountains region; Lake Fulmore; NW side of Lake. 1616 Comment
  POM367765  Galium aparine N. C. Cooper 1944-5-21 1236 Riverside San Jacinto Mountains, West side 915 Comment
  POM99061  Galium aparine E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  UCD170549  Galium californicum subsp. primum D. O. Burge; J. Gee 2017-5-20 2277 Riverside Alvin Meadows, roadside on Old Control Road, E of intersection with Red Hill Road. 1515 Comment
  RSA36548  Galium hilendiae subsp. hilendiae Sara M. Schenck 1941-5-30 s.n. Riverside Quail Mt. Joshua Tree National Monument. 1585 Comment
  UC64377  Galium porrigens H. M. Hall 1897-6-16 645 Riverside w side San Jacinto Mountains (Junction <from notebooks, according to L. T. Dempster>) Comment
  UCR61028  Galium porrigens var. porrigens Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2288 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  POM68617  Galium stellatum Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA192002  Gamochaeta ustulata E. W. Lathrop 1966-4-13 6167 Riverside 3 miles NW of Murrieta Comment
  RSA577758  Gastridium phleoides F. M. Reed 1926-5-15 5340 Riverside Menifee Valley Comment
  CAS-BOT-BC303577  Geraea canescens Carl B. Wolf 1932-4-27 3066 Riverside Colorado Desert. 16 miles E of Desert Center 121 Comment
  RSA615345  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-2-18 2708 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  SD251198  Geraea canescens Aaron C. Sedgwick, David Fraker 2012-4-24 4 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 182 Comment
  PASA673  Geranium carolinianum Frank W. Peirson 1922-4-10 Riverside Murray Canyon 304 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
  RSA356746  Geranium dissectum Robert F. Thorne 1973-5-23 45515 Riverside Santa Rosa Plateau- Mesa de Colorado: stream N of mesa. Santa Ana Mountains 610 Comment
  UCR169927  Gilia A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23968 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR59665  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2927 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  UCR18182  Gilia australis A. C. Sanders 1978-4-30 482 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  RSA769708  Gilia capitata subsp. abrotanifolia E. W. Lathrop 1973-6-28 7445 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. 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
  CAS-BOT-BC123780  Gilia hallii Harvey Monroe Hall 1899-5-1 s.n. Riverside El Toro Mt. Comment
  SD185283  Gilia ochroleuca T. B. Salvato, Kent Beaman 2005-5-16 816 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  POM65959  Gilia ochroleuca subsp. exilis H. M. Hall 1902-04 2912 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  SD114222  Gilia ochroleuca subsp. exilis Darley F. Howe 1969-5-15 4589 Riverside Near Dripping Springs camp ground. 456 Comment
  UC1931140  Gilia ochroleuca subsp. exilis Scott D. White, Justin Wood 2008-6-18 12238 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of highway 79. (Idyllwild) Comment
  UCR225680  Gilia ochroleuca subsp. exilis Steve Boyd, Valerie Soza 2004-6-22 11537 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  RSA0019473  Gilia scopulorum J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24391 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
  JOTR35500  Gilia sinuata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3188 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  JOTR33776  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2928 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (stop 2) Comment
  RSA469733  Gilia stellata M. B. Dunkle 1935-3-31 4446 Riverside N Cottonwood Springs. 762 Comment
  RSA774310  Gilia stellata Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2191 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  RSA777655  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 757 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR23687  Githopsis diffusa subsp. diffusa John C. Roos 1950-4-22 4750 Riverside Hills NE of the summit of Reche Canyon 823 Comment
  SEINET260219 Image available Glyceria elata M. Curto, L. Allen 1992-6-15 826 Riverside San Bernardino National Forest ; San Jacinto Mts NW of Pine Cove SBNF Rd 5S09 @ Stone Cr 1370 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
  SDSU12522  Gnaphalium californicum Shasta Gaughen, M. G. Simpson 2000-4-29 11 Riverside 0 Comment
  UCR111964  Gnaphalium palustre A. C. Sanders, T. B. Salvato 2000-5-25 23420 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
  UCR133685  Gnaphalium stramineum Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR193886  Gnaphalium stramineum A. C. Sanders, Mitch Provance 2008-7-11 35801 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  CAS-BOT-BC110313  Grayia spinosa S. B. Parish; W. F. Parish 1882-4-1 708 Riverside Borders of the Colorado Desert, Whitewater. Comment
  JOTR31076  Grayia spinosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2339 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  RSA524583  Guillenia lasiophylla Steve Boyd, L. Arnseth, J. Bonilla, Tim Ross 1990-4-3 4131 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
  RSA561815  Guillenia lasiophylla Steve Boyd 1992-4-14 6828 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UC56732  Guillenia lasiophylla H. M. Hall Apr 1902 2967 Riverside vicinity Riverside 457 Comment
  UCR241003  Gutierrezia californica Tracy Tennant 1998-11-24 157 Riverside San Jacinto Valley, western edge of Hemet, near intersection of Stetson Ave. and California Ave. 473 Comment
  UCR215455  Gutierrezia microcephala Jim Andre, T. La Doux 2008-9-16 10690 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  UCR182163  Gutierrezia sarothrae Mitch Provance 2003-4-5 6612 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  CLARK-A1528-231  Haplopappus linearifolius C. M. Flanagan 1973-4-26 OO 301 Riverside Morongo Indian Reservation 914 Comment
  UCR128243  Haplopappus venetus A. C. Sanders, Kelly Volansky 2003-10-16 27334 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  CAS-BOT-BC231099  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mountain, just E of claymine area 487 Comment
  UCR59758  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3045 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  RSA0066614  Harpagonella palmeri D. L. Banks 1997-4-5 1680 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountin, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 671 Comment
  UCR151207  Helianthemum scoparium Scott D. White 1999-11-12 7629 Riverside Peninsular Ranges; Santa Ana Mts region, Murrietta Area: Corner of Nutmeg and Clinton Keith 427 Comment
  RSA162726  Helianthemum scoparium var. aldersonii J. D. Olmsted 1959-4-17 411 Riverside Rattlesnake Rock along Black Star Canyon Road 1 mi. north of Hidden Ranch and below Beacon Pines Ranch; 10 mi. SW of Corona 747 Comment
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Jun 6 2013
  RSA543143  Helianthus annuus subsp. lenticularis Steve Boyd 1991-3-17 5499 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UC1523682  Helianthus gracilentus Robert F. Thorne, Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60625 Riverside burned-over chaparral along Clinton Keith Road (near base of plateau); Santa Rosa Plateau 430 Comment
  UC455974  Heliotropium curassavicum J. E. Roadhouse 1905-7-14 7853 Riverside Corona Comment
  UCR132883  Heliotropium curassavicum Tom Paulek 2002-5-19 s.n. Riverside San Jacinto Wildlife Area, Headquarters Ponds 433 Comment
  RSA289838  Heliotropium curassavicum var. oculatum B. A. Prigge 1980-9-17 4076 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  UCR112794  Hemizonia fasciculata A. C. Sanders 1997-5-1 20625 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR140717  Hemizonia kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR93814  Hemizonia kelloggii P. J. MacKay 1996-6-15 010 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA736978  Hemizonia mohavensis Scott D. White, Angelia Carey, Linca Archa 2004-8-5 10670 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA554220  Hemizonia paniculata A. C. Sanders 1991-7-19 11155 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago. 348 Comment
  RSA655231  Hemizonia paniculata Scott D. White 1999-11-12 7632 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  UCR161282  Hemizonia paniculata Chet McGaugh 2005-9-27 s.n. Riverside Santa Ana River Valley, Rubidoux, Riverview Drive and Avenue Juan Diaz, west of the Rubidoux Nature Center and c. 0.25 mi N of the Santa Ana River 220 Comment
  CDA6985  Hemizonia pungens subsp. laevis D. R. Siedschlag 1969-11-6 Riverside C.H. Mick property, Lake Matthews Drive, Gavilan Hills area, Riverside. 0 Comment
  RSA614387  Hemizonia pungens subsp. laevis Scott D. White 1997-5-25 5244 -B Riverside Winchester area: Roadside of Simpson Ave., less than1 mi W of intersection w/ Winchester Rd. 445 Comment
  POM14597  Hesperocallis undulata Bradley 1922-4-10 6 Riverside Near Mecca. Comment
  CAS-BOT-BC403801  Hesperocnide tenella Steve Boyd; Tim Ross; Dave Bramlet 1993-5-12 7359 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 426 Comment
  CLARK-A1528-4388  Hesperocnide tenella John C. Roos 1937-2-21 1296 Riverside La Sierra Comment
  SD232213  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-7-9 12429 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1426 Comment
  UCR193868  Heterocodon rariflorum A. C. Sanders, Mitch Provance 2008-7-11 35805 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCSB41786  Heteromeles arbutifolia Sawyer, Patricia 1964-10-3 Riverside Highway 30, San Bernadino National forest. 609 Comment
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May 16 2016
  RSA0072394  Heteromeles arbutifolia Steve Boyd, Tim Ross, L. Arnseth 1990-3-30 3959 Riverside Vail Lake area, westerly draining canyon a N base of 'Big' Oak Mtn. 640 Comment
  POM266279  Heterotheca horrida subsp. cinerascens J. C. Roos 1942-10-24 2571 Riverside Wonderland of Rocks' Joshua Tree National Monument. Comment
  RSA339244  Heterotheca horrida subsp. cinerascens R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53595 Riverside Joshua Tree National Monument: Hidden Valley. 1280 Comment
  RSA575904  Heterotheca sessiliflora subsp. echioides Steve Boyd 1994-10-14 8381 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  SD132262  Heterotheca sessiliflora subsp. echioides Scott White 1990-10-2 Riverside Vail Lake Area: Highway 79, immediately west of Dripping Springs Guard Station. 490 Comment
  UCR23812  Heterotheca subaxillaris John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Jackson St., Indio Comment
  UCR128306  Heuchera Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8637 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA0066124  Heuchera hirsutissima L. B. Ziegler 1969-7-1 s.n. Riverside North face of San Jacinto Mts. 2346 Comment
  UCR146129  Heuchera rubescens Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1447 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  RSA0106700  Hibiscus denudatus Duncan S. Bell, Thomas Stoughton 2010-3-19 569 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  RSA457780  Hibiscus denudatus Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2218 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA676053  Hibiscus denudatus Scott D. White 2001-4-3 8261 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC170160  Hibiscus denudatus E. E. Schellenger 1894-12-2 106 Riverside Chuckawalla Wash, Colorado Desert Comment
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Sep 15 2016
  RSA719237  Hibiscus denudatus Michael Honer, L. Hulse 2004-4-3 1915 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
  PASA1047  Hoffmannseggia densiflora Margaret Stason 1932-4-18 249 Riverside Roadside near Blythe Comment
  CAS-BOT-BC207511  Hoffmannseggia glauca Aven Nelson; Ruth Nelson 1939-3-30 3344 Riverside Hiway 70, between Mecca and Blythe Comment
  UCR134637  Hoffmannseggia glauca Nancy K. Cione 2004-5-2 s.n. Riverside Chuckwalla Valley, S of Eagle Mtns, NE of Hayfield Dry Lake, near Red Cloud Road 415 Comment
  CLARK-A1656-610  Hoffmannseggia microphylla Lois Ann Scott 1978-1-13 Riverside Indio Hills Comment
  RSA561517  Hoita macrostachya Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7669 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek, up the San Mateo Trail north to Potrero de la Cienega, 396 Comment
  UCR113936  Holcus lanatus Mitch Provance 2000-6-24 2051 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA561056  Holodiscus discolor Steve D. Boyd, Tim S. Ross, D. E. Bramlet 1993-5-12 7357 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA654572  Hordeum brachyantherum Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. [county not specified] 610 Comment
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May 20 2012
  SBBG104100  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Hemet, along S side of Devonshire Ave between Old Warren and Warren Rds, SW of Tres Cerritos and N of Florida Ave (Hwy 74) Comment
  SEINET13386937 Image available Hordeum depressum Mitch Provance, Matt Amalong 2015-1 415 -13 Riverside Temecula/Murrieta Region: About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. (Winchester 7.5' Q.) 438 Comment
  RSA0012170  Hordeum intercedens A. C. Sanders, T. B. Salvato 2011-4-4 38974 Riverside Warm Springs Valley, 0.4 mi. WNW (276 deg ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  UCR117652  Hordeum intercedens Scott D. White, M. Jacobsmeyer 1996-4-20 3964 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  UCR269908  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3669 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
  UCR269909  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3652 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
  UCR162936  Hordeum marinum subsp. gussoneanum Fred M. Roberts, D. E. Bramlet 2005-4-1 6144 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  RSA179511  Hordeum marinum subsp. gussoneanum E. W. Lathrop 1965-4-30 5700 Riverside 5 miles W of Murrieta. 610 Comment
  SD146088  Hordeum murinum B. Pitzer, J. Ross 1998-3-8 3597 Riverside Colorado Desert: Hayfield Lake, on the lakebed, southeast of pumping station, near center of lake (Hayfield Spring [UTM 10km cell: 11S PH-2E, 2N. Hayfield Lake]) 395 Comment
  UCR114139  Hordeum murinum B. G. Pitzer, J. Ross 1998-3-8 3597 Riverside Sonoran (Colorado) Desert, Hayfield Lake, on the lakebed, SE of pumping station, near center of lake 396 Comment
  UCR176900  Hordeum murinum subsp. leporinum Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Valley, intersection of Stetson Ave. and California Ave., NE of Winchester, WSW of Hemet 457 Comment
  HSC10209  Hordeum murinum subsp. murinum C. L. Hitchcock, C. V. Muhlick 1961-3-17 23083 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  CAS-BOT-BC148562  Horkelia clevelandii Ralph Hoffmann 1929-9-7 s.n. Riverside Meadow, San Jacinto Mt. 1645 Comment
  UC44526  Horkelia clevelandii John Thomas Howell 1927-8-2 2913 Riverside Mt. San Jacinto, Strawberry Valley 1676 Comment
  UCSC001449  Horkelia clevelandii Peter Kamb 1947-6-7 562 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  SD212603  Hosackia oblongifolia T. B. Salvato, John F. Green 2004-5-27 604 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  CLARK-A1528-1949  Hulsea heterochroma John C. Roos 1947-3-15 3325 Riverside San Jacinto Mountains 1066 Comment
  CAS-BOT-BC312581  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-7 6056 Riverside San Jacinto Mts. Zigzag on trail south of Hidden Lake 2346 Comment
  CLARK-A1528-4943  Hulsea vestita subsp. callicarpha John C. Roos 1942-6-20 1275 Riverside San Jacinto Mountains Comment
  RSA396464  Hulsea vestita subsp. callicarpha Walter Wisura 1987-5-21 4159 Riverside 5.5 mi fr. Hwy. 74 along forestry rd. 6S13, S of Lake Hemet towards Thomas Mt. San Jacinto Range. Comment
  RSA769765  Hulsea vestita subsp. callicarpha Duncan S. Bell, Valentin Arvizu 2010-5-10 987 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
  POM361065  Hymenoclea salsola Ora M. Clark 1929-3-17 1733 Riverside N. La Quinta, Colorado Desert. Comment
  POM361076  Hymenoclea salsola Elbert Benjamine 1929-4-6 s.n. Riverside Coachella Valley, Colorado Desert. Comment
  RSA796456  Hymenoclea salsola Duncan S. Bell 2009-4-18 220 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
  RSA58865  Hymenopappus filifolius var. lugens P. A. Munz, P. C. Everett 1950-6-23 14918 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  POM250332  Hypericum androsaemum I. W. Clokey 1935-8-21 6833 Riverside North fork, San Jacinto River. 1500 Comment
  UC872028  Hypericum formosum var. scouleri I. W. Clokey and E. G. Anderson 1935-8-21 6751 Riverside N. Fork San Jacinto R. 1500 Comment
  UCR98678  Hypochaeris glabra 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
  LA61594  Hyptis emoryi J. A. Ewan; 1931-2-23 4044 Riverside Devils Canyon, above Coral Reef Ranch Comment
  POM283419  Hyptis emoryi Lyman Benson 1933-3-31 4184 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
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Feb 26 2008
  POM306694  Hyptis emoryi Henry J. Ramsey, Henry J. Ramsey 1926-4-26 1688 Riverside Near Desert Center. Comment
  SD225006  Hyptis emoryi G. K. Helmkamp 1998-4-4 3178 Riverside Colorado Desert: 2.3 mi N of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  UCD166271  Hyptis emoryi Jack Major 1962-4-17 786 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 435 Comment
  SEINET10498867  Hyptis emoryi David B. Dunn 1946-2-22 Dunn 1973 Riverside Hidden springs canyon in the vicinity of the palms Comment
  SEINET12277044  Hyptis emoryi L. S. Rose 1936-1 36791 Riverside Palm Canyon Wash 152 Comment
  CDA5539  Ipomoea triloba K. E. Hoffmaster 1960-11-7 Riverside Near Indio. 0 Comment
  CAS-BOT-BC311608  Isocoma acradenia var. eremophila Lewis S. Rose 1934-12-25 34481 Riverside T. Cross K. Ranch, 10 mi. N. of Whitewater Comment
  JEPS19094  Isocoma acradenia var. eremophila S. B. Parish 1913-2-28 8475 Riverside Mecca Salton Sink -60 Comment
  RSA702552  Isocoma menziesii var. vernonioides Scott D. White, B. Leatherman 2004-10-7 10772 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  SD204904  Isoetes howellii R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55204 Riverside Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  UC1088554  Isomeris arborea Peter H. Raven 1958-1-23 10409 Riverside 2.7 mi w Whitewater Post Office Comment
  RSA227712  Jepsonia parryi Gary D. Cromwell 1972-2-15 709 Riverside Small canyon canyon off Los Alamos Canyon, 8 mi. SSW of Lake Elsinore and unpaved road #7So4, USDA Forest Serv. map, Trabuco Dist., Cleveland Nat. Forest. 488 Comment
  RSA595913  Jepsonia parryi D. L. Banks, Lauren Raz 1996-11-5 1172 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along a steep ridge S of the floodplain of the northern fork of Pechanga Creek. 487 Comment
  UCR18881  Juglans californica John C. Roos 1952-6-25 5789 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  CAS-BOT-BC136681  Juglans hindsii R. E. Riefner, Jr. 2009-8-15 09 -174 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 mi W of I-15 Fwy 297 Comment
  UCR209197  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Peninsular Range, Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive 320 Comment
  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-BC109879  Juncus Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore. Comment
  RSA761983  Juncus Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 678 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  HSC24281  Juncus bufonius James Henrickson 1969-5-16 3261 Riverside 6 mi. W of Murrieta on Colorado Mesa of Santa Rosa Plateau 701 Comment
  RSA0013145  Juncus bufonius var. bufonius LeRoy Gross, Caitlin Elam 2013-5-14 6071 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
  RSA247274  Juncus effusus subsp. austrocalifornicus G. D. Wallace, D. H. Wilken 1966-7-3 652 Riverside San Jacinto Mountains near Idyllwild, Strawberry Meadows. Comment
  RSA511037  Juncus luciensis Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51980 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA368166  Juncus macrophyllus M. B. Dunkle 1933-7-19 3667 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  RSA284590  Juncus tiehmii C. W. Tilforth, B. Busenberg 1980-6-10 1987 -A Riverside 3.8 miles in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  UC1495750  Juncus tiehmii Barbara Ertter and Jeffrey L. Strachan 1980-5-21 3481 Riverside ca 2 mi s Hwy. 74 (Pines to Palms Hwy.) (Santa Rosa Mtn rd (Forest Rd 7S02)) 1584 Comment
  SEINET6174518  Juncus tiehmii B. Ertter, J. L. Strachan 1979-6-26 2971 a Riverside Kenworthy Ranger Station, on Route 74 in Garner Valley, San Jacinto Mts. 760 Comment
  RSA190344  Juncus xiphioides Phillip A. Munz, L. F. Street 1919-5-7 2777 Riverside Tahquitz Canyon 244 Comment
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Feb 13 2010
  RSA564029  Juncus xiphioides A. C. Sanders, O. F. Clarke 1991-6-10 11136 Riverside Along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River Comment
  UCR108837  Juncus xiphioides O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  SEINET7248048  Juniperus californica Louis C. Wheeler 1960-1 7672 Riverside Alberhill Comment
  UCR60710  Juniperus californica John F. Emmel 1976-3-17 542 Riverside Southern Mojave Desert, canyon 0.8 air mi north of peak 4353, NE slope of Granite Mtns, WSW of Rice. 976 Comment
  UCSB15355  Justicia californica Breedlove, Dennis 1962-3-11 Riverside Cat Creek, under grove of Washingtonia filifera, 3 miles southwest of Palm Desert 426 Comment
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Mar 1 2014
  SBBG129034  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd, 0.35 mi W of I-10 jct 114 Comment
  UC4066990  Kallstroemia californica Marcus E. Jones, A. M. 1929-9-16 Riverside Hayfields near Desert Center; Hayfields, near Desert Center Comment
  RSA778521  Kallstroemia californica Amber Swanson, Linda Jean Foster 2011-10-8 636 Riverside Large wash off Blythe Rice Rd 270 Comment
  POM4283  Keckiella antirrhinoides Jenkins, Street 1917-5-30 s.n. Riverside San Jacinto River Canyon. Comment
  UCD166198  Keckiella antirrhinoides Jack Major 1962-4-16 763 Riverside On road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  UCR140706  Keckiella antirrhinoides A. C. Sanders 2004-5-12 27863 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  RSA650920  Keckiella antirrhinoides subsp. antirrhinoides Mike Maculsay 1981-5-16 37 Riverside Ca Hwy 74, 8.1 miles west of junction of Hwys 74 and 71, 3.6 miles west of Elsinore City Limit. 610 Comment
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Jul 22 2010
  LA209342  Keckiella antirrhinoides subsp. microphylla Elizabeth McClintock; 1940-5-26 sn Riverside 1.5 mi. W of Pinon Flats, Pines to Palms Highway Comment
  UC1518630  Keckiella antirrhinoides var. antirrhinoides Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55474 Riverside ca 3.3 mi n Whitewater Post Office (side-canyon on w side of Whitewater Canyon); San Bernardino Mts., Whitewater Canyon 594 Comment
  POM122438  Keckiella cordifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA89026  Keckiella cordifolia M. Dillon 1954-6-15 s.n. Riverside Canyon near Glen Ivy Hot Springs Comment
  UCR225154  Keckiella rothrockii subsp. jacintensis Steve Boyd, Gary Wallace 2005-7-30 11656 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  SEINET269162  Kochia scoparia Chet McGaugh 1996-4-26 Riverside Helmet .25 miles west of State Street between Esplande and Cottonwood. Comment
  CAS-BOT-BC61423  Krameria bicolor Annie M. Alexander; Louise Kellogg 1941-5-12 2165 Riverside Black Eagle Mine Park 670 Comment
  CAS-BOT-BC43701  Krameria erecta H. M. Hall 1901-6-1 2114 Riverside Eastern base, along the borders of the Colorado Desert Comment
  JOTR30063  Krameria erecta La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1694 Riverside Joshua Tree National Park. Stop #2 = Near Geology Tour rd., N of Malapai Hill 1286 Comment
  POM122278  Krameria grayi Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms. Comment
  RSA408612  Krameria grayi N. C. Cooper 1949-4-8 3276 Riverside Shaver s Summit east of Indio. 610 Comment
  UC1280881  Krameria grayi Frank F. Gander 1938-5-21 5762 Riverside Shaver's Summit Comment
  UC1563078  Krameria grayi Steve Boyd and Orlando Mistretta 1986-3-13 1477 Riverside ne Desert Center (first large canyon at nw tip of western segment of range); w side Palen Mts Comment
  UCR120968  Krameria grayi Jennie Phui 1998-6-3 105 Riverside Western Colorado Desert/San Jacinto Mtns., near Windy Point and Palm Springs Station, 6 miles NW of Palm Springs city limits, base of Mt. San Jacinto 366 Comment
  UCR208908  Krameria grayi P. A. Munz, L. T. Street 1919-5-7 2746 Riverside Sonoran (Colorado) Desert, Palm Springs 183 Comment
  RSA0001812  Krynitzkia decipiens Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA192095  Lactuca serriola H. A. Zuill 1966-7-26 300 Riverside About 7.5 miles SW of Murrieta. Comment
  RSA469612  Langloisia setosissima subsp. setosissima Anstruther Davidson 1920-4-6 s.n. Riverside 4 miles from Shaver's Well, [toward] Mecca Comment
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Nov 19 2011
  JOTR36082  Larrea tridentata La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3310 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km South of Sunset Mine (STOP4). 475 Comment
  RSA0117856  Larrea tridentata Sarah J. J. De Groot, Rachel Darney-Lane 2016-5-5 7896 Riverside North side of Mecca Hills, north of Shaver's Well and Meccacopia Trail, south of Interstate 10, Shaver's Valley, east-northeast of Mecca. Along Box Canyon Road ca. 5.85 miles west-southwest of Mecca/Cottonwood exit (168) from I-10. 319 Comment
  RSA165173  Larrea tridentata Mark Parratt 1962-2-24 110 Riverside E side of road in cathedral city. Colorado desert edge. Drainage area: Salton Sea. 152 Comment
  RSA389993  Larrea tridentata Elbert Benjamine 1929-4-6 142 Riverside Box Canyon, Coachella Valley, Colorado Desert. Comment
  RSA516899  Larrea tridentata Steve D. Boyd 1986-3-13 1418 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA707347  Larrea tridentata Jonathan Snapp-Cook, Kurt Roblek, Kevin Clark, Reas Chavez 2005-6-30 CFW- 11 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles WNW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune (WGS84/NAD83) 91 Comment
  SD248245  Larrea tridentata J. M. Andre 2014-1-27 26658 Riverside Riverside Mountains; at mine site (and borrow pit), in canyon 1.3 mile west of Highway 95 (at Wilson Rd), 12.2 miles south of Vidal Jct (at Hwy 62). 224 Comment
  UC1324900  Larrea tridentata H. U. Stauffer and R. F. Thorne 1964-5-5 5923 Riverside 6.5 km s Morongo Valley (4.8 km s of county border) 550 Comment
  UCSB3566  Larrea tridentata Kamb, Peter 1948-4-11 Riverside Lower Sonoran Zone, Aqueduct Road 5 mi east of Garnet, Coachella Valley 304 Comment
  CAS-BOT-BC338916  Lasthenia californica A. C. Sanders; S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  CAS-BOT-BC338931  Lasthenia californica Carl B. Wolf 1935-4-7 6305 Riverside Gavilan Hills Region. 2 mi. SW. of Perris 426 Comment
  POM305812  Lasthenia coronaria Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1047 Riverside Corona-Elsinore. Comment
  POM361558  Lasthenia coronaria M. B. Dunkle 1935-3-10 4356 Riverside Temescal Canyon 243 Comment
  POM361560  Lasthenia coronaria Ora M. Clark 1929-2-24 1518 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  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
  CLARK-A1528-257  Lasthenia glabrata subsp. coulteri Danny Sall 1970-5-4 10 Riverside 365 Comment
  POM361559  Lasthenia gracilis C. B. Wolf 1932-3-20 24 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  RSA617151  Lasthenia gracilis A. C. Sanders, C. L. Sanders, E. J. Lawlor 1996-4-21 18070 Riverside Morongo Indian Reservation, grounds of Malki Meseum, NE of Banning. 732 Comment
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Sep 10 2011
  RSA691954  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-9 8967 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  RSA691981  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-2 8925 Riverside Temescal Valley: Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, '2349.' 671 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
  SDSU18376  Lasthenia gracilis C. Matt Guilliams 2008-2-21 472 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UC1595633  Lasthenia gracilis Steve Boyd and Dave Bramlet 1991-5-13 6236 Riverside in pasture n Santa Fe RR tracks (w of San Diego Aqueduct, between Winchester and Hemet along upper Salt Creek drainage); Winchester Valley along upper Salt Creek drainage Comment
  UCR143154  Lasthenia gracilis D. E. Bramlet 1997-3-15 2500 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Nichols Road Wetlands, approximately 183m southeast of Nicolas Road, 91-152m west of Collier Ave. and 196-335m. west of the I-15, 15m west of the dirt road extending south from Nicholas Rd. and adjacent to Alberhill Creek 116 Comment
  UCR90755  Lasthenia gracilis Scott D. White 1995-4-5 2741 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR128296  Lathyrus latifolius Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8633 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA90289  Lathyrus vestitus subsp. alefeldii F. W. Peirson 1922-4-28 2946 Riverside Leach Canyon Near Lake Elsinore. 549 Comment
  RSA657628  Layia glandulosa Colleen Callan 1992-5-2 32 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UC62896  Layia glandulosa H. M. Hall May 17 1901-Jun 1 1901 1816 Riverside San Jacinto River Canyon Comment
  UCR21944  Layia platyglossa Steve Boyd 1980-5-3 195 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR228924  Layia platyglossa A. C. Sanders, Nathan Moorhatch 2011-3-22 38796 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCSB19172  Layia platyglossa Chepin, Matt 1965-5-16 Riverside Hemet Meadow, State Highway 74, 4.7 miles from junction with State Highway 71 1341 Comment
  UCR113898  Lepidium chalepense Mitch Provance 1998-4-13 430 Riverside City of Riverside, Vacant lot on Arlington Ave., between Hillside and Phoenix. 232 Comment
  UCR113899  Lepidium chalepense Mitch Provance 1998-4-13 431 Riverside City of Riverside, Vacant lot on corner of California Ave. and Monroe St. in the Arlington area of Riverside 229 Comment
  SD262244  Lepidium densiflorum Mitch Provance, John Hazlett 2017-4-27 417 39 Riverside Elsinore Trough: Lake Elsinore, S end of Birch St., 0.1 mi W of Chaney St. and Education Way. 385 Comment
  UC2029935  Lepidium dictyotum Steve Boyd 2001-4-12 10410 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  HSC66631  Lepidium fremontii Christopher Davidson 1979-4-4 7735 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  CAS-BOT-BC89588  Lepidium lasiocarpum H. S. Yates 1937-3-23 6426 Riverside California Forest and Range Experiment Station. Near Thermal. 30 Comment
  POM14361  Lepidium lasiocarpum P. A. Munz, D. D. Keck 1922-4-9 4806 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  RSA429925  Lepidium lasiocarpum Francis Fultz 17148 Riverside Colorado Desert. Comment
  UCR21297  Lepidium virginicum var. pubescens A. C. Sanders, K. Berg 1980-5-1 1369 Riverside San Jacinto Mtns., Garner Valley. 0.25 mi NW of the Kenworthy Ranger Station. 1387 Comment
  CHSC108875  Lepidium virginicum var. robinsonii Justin M. Wood 2010-3-4 1420 Riverside Prado Basin: City of Corona, just NW of sewage treatment dike (intersection of railroad st. and Yorba st.) 160 Comment
  UCR280955  Lepidium virginicum var. robinsonii Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 60 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  SDSU13577  Lepidospartum squamatum W. Miller with C. Mosse 1972-8-9 Riverside Comment
  CAS-BOT-BC274377  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  UCR89845  Leptodactylon californicum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3305 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  JEPS44377  Leptodactylon pungens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4257 Riverside just below Toro Peak (i.e. s of the saddle e of the peak); Santa Rosa Mts., just below Toro Peak 2499 Comment
  RSA468576  Leptosiphon parviflorus E. C. Jaeger 1921-6-8 s.n. Riverside McMullen Trail [Banning to McMullen Flat] 1280 Comment
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Nov 5 2011
  SD137899  Leptosyne californica Darin L. Banks, Steve Boyd 1995-5-3 287 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove Area. 515 Comment
  SD215408  Leptosyne californica Steve Boyd, Tim Ross and Laurel Arnseth 1990-3-30 3974 Riverside Vail Lake area, valley betweenBlack Hills and Rocky Ridge. 701 Comment
  RSA181938  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 583 Riverside 4.7 miles E of Anza on road to Santa Rosa Summit. 1372 Comment
  SFV11433  Lessingia glandulifera var. glandulifera M. L. Vincent 1963-10-19 444 Riverside Within 3 miles of California State Highway 74 (Pines to Palms Highway) as highway crosses Santa Rosa Indian Reservation. About 1.5 miles west of Santa Rosa summit. 1503 Comment
  RSA703626  Leymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  RSA123479  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside Near Hemet Reservoir. 1341 Comment
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Nov 26 2008
  UC454443  Lilium parryi I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  RSA0080316  Linanthus bigelovii Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7361 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  UCD166199  Linanthus californicus Jack Major 1962-4-16 764 Riverside Along shoulder and on cut banks of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  UCR213673  Linanthus dianthiflorus Michael Honer 2003-4-11 1818 Riverside Peninsular Range, Gavilan Hills, west slope, about 1 mile north of I-15 Fwy, 1 mi. east of Lake St. exit, on and around peak 2349 716 Comment
  UCR232475  Linanthus floribundus Kate Kramer, Andrew Trouette, Jordan Zylstra, E. Howe 2005-8-9 253 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Springs campground 2241 Comment
  UCR102838  Linanthus lemmonii A. C. Sanders 1997-3-26 20109 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  RSA0104912  Linanthus maculatus Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7751 Riverside Morongo Canyon Preserve; collecting in Little Morongo Canyon, just below (south of) the San Bernardino/Riverside county border. 563 Comment
  RSA657236  Linanthus maculatus J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12333 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA599415  Linanthus pungens R. E. Riefner, C. Jones 1996-8-28 96 -160 Riverside San Jacinto Mountain, W summit of Devil's Slide Trail Comment
  SD229204  Linum lewisii Dick Schwenkmeyer 2012-8-7 791 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA435727  Linum lewisii H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto [could be San Jacinto Mtns., or could be San Jacinto Riv. near City of San Jacinto but probably mtns., based on species] Comment
  CAS-BOT-BC434237  Lithophragma Tracy Tennant; Mitch Provance 1998-6-16 MOR- 414 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  SD197911  Lithophragma A. C. Sanders 1997-4-3 20158 Riverside Lake Skinner area; near north foot of Black Mountain, slopes south of Crown Valley. 655 Comment
  RSA495423  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2949 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA84385  Lithophragma affine subsp. mixtum F. W. Peirson 1922-5-19 4189 Riverside San Jacinto River. 1143 Comment
  CSUSB1428  Lobularia maritima Annette Price 1962-3-31 012 Riverside Growing along road through Citrus Experiment Station, just past station at the curve in the road, UCR campus, Riverside. Comment
  RSA657241  Loeseliastrum schottii J. Mark Porter 2001-4-2 12340 Riverside Coachella Valley, Desert Hot Springs, NE of Big Morongo Wash, just N of the jtn. Agusta Avenue and Little Morongo Drive. 412 Comment
  UCR279390  Loeseliastrum schottii A. C. Sanders, Jim Malusa 2017-3-24 42986 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UCSB38657  Loeseliastrum schottii Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct. w/ Hwy 111 at Indian Wells; Whittaker transect #W-220 950 Comment
  CAS-BOT-BC342260  Logfia filaginoides H. M. Hall 1903-4-1 3786 Riverside Vicinity of Riverside 365 Comment
  RSA703417  Logfia filaginoides LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 s.n. Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  HSC85297  Logfia gallica Steve Boyd 1986-5-7 1842 Riverside Temescal canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, S of I-15 Comment
  UCR54312  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  UCR183028  Lolium perenne subsp. multiflorum Mitch Provance 2001-4-21 2976 C Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  RSA613151  Lomatium dasycarpum D. L. Banks 1997-4-5 1659 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  SEINET182499  Lomatium dasycarpum I. W. Clokey 1935-4-18 7680 Riverside Cavilan Peak 700 Comment
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Dec 29 2013
  UCR62323  Lomatium lucidum Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  SD120074  Lomatium utriculatum Louis B. Ziegler 1969-5-18 345 Riverside San Jacinto Mountains, Hemet Valley near Pine Meadows, bottom of valley floor 1435 Comment
  UCR48488  Lomatium utriculatum Steve Boyd 1986-3-9 1381 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  CAS-BOT-BC240673  Lonicera interrupta Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  POM296448  Lonicera subspicata Lyman Benson 1945-11-10 11912 Riverside 5 miles east of Temecula. 457 Comment
  UCR94946  Lonicera subspicata Scott D. White 1996-8-16 4480 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  UCR95946  Lonicera subspicata Scott D. White 1996-8-1 4439 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  POM17410  Lonicera subspicata var. denudata M. L. Kendall 1922-5-2 s.n. Riverside Santa Ana Canyon. Comment
  UCR87651  Lotus argophyllus Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  UCR237697  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4508 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  UC15552  Lotus crassifolius var. crassifolius H. M. Hall 1898-7-1 967 Riverside San Jacinto Mountains 1828 Comment
  UCR116983  Lotus hamatus A. C. Sanders, T. B. Salvato 2001-5-3 24080 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR158844  Lotus hamatus Scott D. White 1994-6-23 2086 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR228834  Lotus humistratus A. C. Sanders, T. B. Salvato 2011-4-27 39333 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
  UCR228910  Lotus humistratus A. C. Sanders 2011-4-7 39033 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  RSA161280  Lotus oblongifolius P. H. Raven, R. Snow 1957-7-26 11112 Riverside Along stream 2.0 mi. S of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto mts. Comment
  RSA498741  Lotus procumbens T. W. Minthorn, Freda Detmers s.n. Riverside Road to Palm Spring and Banning Comment
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Oct 1 2011
  RSA604255  Lotus procumbens var. procumbens A. C. Sanders, H. Spilman, et al. 1993-4-24 13788 Riverside Southeast end of San Bernardino Mountains: South end of Whitewater Bench, east side of the mouth of Whitewater Canyon. Comment
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Jan 14 2010
  UCR241229  Lotus purshianus Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 505 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR92078  Lotus purshianus Scott D. White 1995-8-23 3587 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UC64819  Lotus rigidus E. E. Schellenger 1904-3-28 60 Riverside Cottonwood Springs Colorado Desert, Cottonwood Mt. Comment
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Oct 9 2010
  JEPS55916  Lotus salsuginosus var. brevivexillus W. L. Jepson 1927-4-12 11640 Riverside n of Mecca; Painted Canyon 76 Comment
  CDA7756  Lotus scoparius Mike Lahti 2008-5-17 PDR# 1473119 Riverside Hemet, 44955 Clara Rd., Cross-street Grant 0 Comment
  CLARK-A1528-487  Lotus scoparius Fred B. Essig 1964-1-11 10 Riverside Corona 640 Comment
  RSA651075  Lotus scoparius subsp. scoparius Margaret Murphy 1983-4-15 0009 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA406905  Lotus scoparius var. brevialatus Christopher Davidson 1973-4-1 1787 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA770705  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4812 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CSUSB1247  Lotus strigosus Margaret Ferro 1970-5-10 15 Riverside Highway 60 to San Jacinto turnoff; 4 miles, then 0.25 mile off east side of road, in wash. 457 Comment
  CSUSB1370  Lotus strigosus M. H. Frost 1954-6-6 Riverside San Jacinto Mountains San Jacinto Mountains 1371 Comment
  RSA614704  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1325 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  SEINET7073298  Lotus strigosus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR116582  Lotus strigosus G. W. Forister 1967-4-1 s.n. Riverside [Moreno Badlands], Jack Rabbit Trail, 1.5 mi. SW of Hwy 60 671 Comment
  RSA0127778  Lotus strigosus G. Rink, M. Honer, A. Karl, T. Thomas, M. Baker 2013-3-18 11871 Riverside About twelve miles west of Blythe, along the powerline west of the proposed Quartzite solar power plant. 116 Comment
  RSA406280  Lotus unifoliolatus M. B. Dunkle 1933-7-20 3699 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA525455  Lotus wrangelianus Steve Boyd, David E. Bramlet 1990-4-29 4500 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA90137  Ludwigia peploides subsp. peploides E. K. Balls, George B. Everett 1953-8-19 18528 Riverside Lake Fulmore, on road from Banning to Idyllwild. 1625 Comment
  UC198106  Lupinus affinis B 1904-4-5 4189 Riverside Hemet Comment
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Jul 4 2010
  POM312142  Lupinus albifrons var. eminens N. C. Cooper 1944-4-22 1124 Riverside Banning. 762 Comment
  JOTR32831  Lupinus andersonii La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1553 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA800196  Lupinus arizonicus Robert F. Thorne 1963-3-29 32404 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  SBBG3529  Lupinus arizonicus K. K. Muller 1958-3-22 912 Riverside opposite S entrance of Joshua Tree Nat Monument, 2 mi S of Hwy 60 Comment
  UCR102943  Lupinus arizonicus George K. Helmkamp 1998-4-4 3139 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA613859  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1997-3-5 1334 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  UCR138835  Lupinus bicolor subsp. microphyllus D. L. Banks 1997-4-5 1676 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  SEINET4035698  Lupinus bicolor var. microphyllus O. M. Clark 1929-1 113 Riverside South Cabazon, southern California. Comment
  RSA407141  Lupinus concinnus subsp. optatus N. C. Cooper 1944-6-16 1435 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA496381  Lupinus densiflorus var. lacteus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3058 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  OBI34814  Lupinus excubitus F. C. Vasek 1978-4-28 s.n. Riverside N of Round Mtn (SE Hesperia) Bowen Ranch rd, slope above Arrastre Wash 1097 Comment
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Jun 23 2013
  SD186209  Lupinus excubitus A. C. Sanders 2004-4-20 27572 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  RSA633872  Lupinus excubitus var. austromontanus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38129 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA653551  Lupinus excubitus var. hallii Scott D. White 1999-5-24 7405 (2 repl. total) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR258631  Lupinus hirsutissimus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7896 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  RSA763171  Lupinus hyacinthinus Scott D. White, Justin M. Wood 2009-5-22 12902 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR19790  Lupinus latifolius W. W. Mayhew 1977-6-28 s.n. Riverside San Jacinto Mtns., Alandale 1768 Comment
  UCR272821  Lupinus latifolius Mitch Provance 2016-6-28 616- 36 Riverside San Jacinto Mountains, Idyllwild, along Strawberry Creek, near the corner of Bicknell Ln. and South Circle Dr. 1636 Comment
  UCR273790  Lupinus microcarpus Mitch Provance 2012-4-20 412- 25 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  JOTR16694  Lupinus sparsiflorus Cole, James E. 1941-5-19 s.n. Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  JOTR34361  Lupinus sparsiflorus Andre, Jim 2012-4-16 20876 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  PASA1674  Lupinus sparsiflorus R. E. Merrill Riverside Murray Canyon 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
  RSA495448  Lupinus sparsiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2976 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  SBBG3695  Lupinus sparsiflorus H. and M. Dearing 1949-4-9 6745 Riverside Joshua Tree Nat Monument Comment
  RSA414342  Lupinus succulentus N. C. Cooper 1949-3-18 3164 Riverside Elsinore. 457 Comment
  UCR241385  Lupinus succulentus T. B. Salvato, Mike Landers 2013-3-21 7384 A Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  SDSU14088  Lupinus truncatus Joel Tracey 2002-4-20 7 Riverside Santa Margarita Ecological Reserve, 60 feet east of parking area, off intersection of Northside Field Station road and Santa Margarita River. Plant growing in crack of granitic rock, 15 feet north of river. 253 Comment
  UCR199629  Lupinus truncatus Scott D. White 2004-4-26 10253 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA0108983  Lycium andersonii Duncan S. Bell, Amanda Bell 2012-1-29 3077 Riverside Arica Mountains; collecting in the center of the range, approximately 7 air miles southwest of the ghost town of Rice, or 2 air miles west of Priests Well. 438 Comment
  RSA770890  Lycium andersonii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4593 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC1286996  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside about 5 mi ne Aguanga Comment
  RSA80305  Lycium fremontii F. W. Peirson 1927-4-12 7157 Riverside East branch of Painted Canyon, near Mecca. Comment
  POM10257  Lythrum californicum Unspecified 1903-09 175 Riverside West Riverside bridge Comment
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Apr 7 2011
  CSUSB1443  Malacothamnus fasciculatus Barry Glaser 1964-4-21 640421 2 Riverside Box Springs Mountains Box Springs Mountains (foothills); Two Trees Canyon Road, 0.3 miles from end. 365 Comment
  RSA0087586  Malacothamnus fasciculatus C. W. Tilforth 1969-7-26 221 Riverside Road to Santa Rosa Mtn. Comment
  CAS-BOT-BC345283  Malacothrix californica Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA627852  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside Foothills NNE of Beaumont. 950 Comment
  CAS-BOT-BC345464  Malacothrix coulteri H. M. Hall 1902-4-21 2925 Riverside Vicinity of Riverside 487 Comment
  CAS-BOT-BC347699  Malacothrix glabrata N. Aitkenhead 1977-2-2 2122 Riverside ~1 mi. from junction of JT Mon Rd & pipeline Comment
  CAS-BOT-BC347703  Malacothrix glabrata Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CHSC109704  Malacothrix glabrata Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10484 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
  POM362323  Malacothrix glabrata Ora M. Clark 1929-3-16 1718 Riverside NW Whitewater Comment
  RSA668342  Malacothrix glabrata C. R. Annable 1995-3-12 2271 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  RSA760820  Malacothrix glabrata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 111 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  SBBG54355  Malacothrix glabrata S. See 1957-4-3 138 Riverside ca. 1 mi N of Indio-Beaumont Hwy, rd to Twentynine Palms 426 Comment
  UC33283  Malacothrix glabrata W. G. Wright 1889-1 1754 Riverside Colorado Desert Comment
  CAS-BOT-BC347894  Malacothrix saxatilis var. tenuifolia Katherine Esau 1935-6-20 s.n. Riverside Beaumont Grade Comment
  RSA543128  Malosma laurina Steve Boyd 1991-3-17 5470 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA554214  Malvella leprosa A. C. Sanders, Chet McGaugh 1991-7-19 11147 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 348 Comment
  UCR59719  Malvella leprosa George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  CSUSB589  Marah macrocarpa I. Rauch 1968-2-15 Riverside Santa Ana Mountains Santa Ana Mountains, Tin Mine Canyon Comment
  SDSU12949  Marah macrocarpa Jutta Buschbom 1991-6-1 31 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
  UCD107549  Marah macrocarpa A. C. Sanders; G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19909 Riverside Lake Skinner area: upper Rawson Canyon, 2.2 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley. 595 Comment
  JOTR35050  Marina parryi La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3502 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
  RSA727014  Marina parryi Naomi S. Fraga, Lisa Rojas 2005-2-10 1411 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  SD121977  Marina parryi Leota Davidson 1966-4-3 317 Riverside Highway 10 at Wiley Wells turn-off, 20 miles east of Desert Center. Comment
  UCR148309  Marina parryi John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR102813  Marrubium vulgare A. C. Sanders 1997-3-19 20056 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  UCR3212  Matricaria matricarioides V. L. McFarland 1964-3-27 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, UCR campus, sandy lot between Utah and Avocado Aves., 3400 block of Utah immediately west of area 305 Comment
  UCR154842  Matricaria occidentalis A. C. Sanders, Kelly Volansky 2005-3-17 29242 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR155812  Matricaria occidentalis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA522305  Medicago lupulina Steve D. Boyd 1989-7-9 3775 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  CLARK-A1528-4722  Melica californica John C. Roos 1950-4-22 4754 Riverside Box Springs Mountains 792 Comment
  CAS-BOT-BC281600  Melica imperfecta H. M. Hall 1899-5-20 s.n. Riverside Along Strawberry Creek, San Jacinto Mts 1371 Comment
  SEINET1004450  Melica imperfecta A. C. Sanders 2004-1 27548 Riverside Santa Ana Mtns.: Santa Rosa Plateu, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  SEINET2473423 Image available Melica imperfecta Andrew C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37742 Riverside Peninsular Range; Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 400 Comment
  UCD87935  Melica imperfecta A. Lewis 1934-3-1 325 Riverside Bedford Canyon, southeast of Corona, National Forest. 762 Comment
  UCR18526  Melica imperfecta A. C. Sanders 1978-6-20 s.n. Riverside San Jacinto Mtns, Bay Tree Flats 1585 Comment
  CLARK-A1528-511  Melilotus albus Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  UCR110962  Melilotus indicus George K. Helmkamp 1998-6-27 4090 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR149976  Mentha spicata Scott D. White 2000-11-15 8151 Riverside Peninsular Range; San Jacinto Mtns, Idyllwild area, 'Strawberry Fuelbreak' betwen 'Inspiration Point' and Strawberry Creek 1646 Comment
  HSC78582  Mentzelia albicaulis G. K. Helmkamp 1983-3-24 3836 Riverside Chuckwalla Valley, at junction of the Graham Pass & Chuckwalla Springs Rd. 229 Comment
  RSA282502  Mentzelia albicaulis J. Zavortink 1966-3-18 2663 Riverside Along route 60, 5.7 miles W of Desert Center. Riverside County Comment
  RSA440411  Mentzelia involucrata Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA440426  Mentzelia involucrata T. W. Minthorn 1926-5-14 s.n. Riverside Near Indio, Colorado Desert. Comment
  RSA510022  Mentzelia involucrata B. Pitzer 1988-3-10 649 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA617859  Mentzelia involucrata Walter Wisura 1998-3-28 5116 Riverside Corn Spring, S of I-10. Comment
  RSA708489  Mentzelia involucrata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10892 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  UCR279352  Mentzelia involucrata var. megalantha A. C. Sanders, Jim Malusa 2017-3-23 42932 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR166209  Mentzelia jonesii A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders, et al 1995-3-5 15994 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
  SD3161  Mentzelia laevicaulis Frank Stephens Jun 1920 Riverside 3.0 miles east of Morena. Comment
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Nov 19 2011
  UC19597  Mentzelia laevicaulis var. laevicaulis Geo. F. Reinhardt June 1897 Riverside Southern California, San Jacinto Valley Comment
  POM259628  Mentzelia longiloba var. longiloba E. C. Jaeger 1939-12-12 s.n. Riverside Chuckawalla Spring, Riverside County. Alt 900ft 274 Comment
  RSA282473  Mentzelia obscura J. Zavortink 1964-1-20 2458 Riverside Joshua Tree National Monument, Fried Liver Wash Comment
  CAS-BOT-BC348454  Micropus californicus var. californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed of Bluewater Cyn, S of Sitton Pk. 853 Comment
  RSA660502  Microseris douglasii subsp. douglasii A. C. Sanders, K. C. Rose 1998-5-21 21860 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR88169  Microseris douglasii subsp. douglasii Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Creekside, east of Dunlap Dr. and north of San Jacinto Ave. 433 Comment
  CAS-BOT-BC322628  Microseris douglasii subsp. platycarpha Scott D. White 1996-4-14 3895 Riverside Near Perris Airport ca. 100 m N of Cse Road and 100 m W of San Jacinto River Channel, Perris Area, Perris Basin 432 Comment
  UCR217522  Microseris douglasii subsp. platycarpha Rose Cook, Ana Hernandez 2010-4-15 02 Riverside Perris-Aguanga Basin, South of west end of Lake Matthews. 268m south of Cajalco Road, 460 m southeast of Cajalco Road/ La Sierra Avenue intersection 426 Comment
  RSA645619  Microseris lindleyi Scott D. White, Steve Ogg 1994-4-21 1948 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  GMDRC6570  Mimulus aurantiacus var. pubescens J. M. Andre 2012-6-15 30526 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA27880  Mimulus aurantiacus var. pubescens C. L. Hitchcock 1940-4-12 6044 Riverside 8 mi. northwest of Elsinore 457 Comment
  UC943877  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 A Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UCR234758  Mimulus aurantiacus var. pubescens A. C. Sanders, John F. Green 2012-6-25 40313 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  UC1018203  Mimulus aurantiacus var. puniceus J. Warren 1952-3-16 Riverside Lake Elsinore 457 Comment
  RSA92725  Mimulus aurantiacus var. puniceus J. C. Roos 1952-5-14 5665 Riverside 2 mi. northwest of Perris. 503 Comment
  SEINET3079984 Image available Mimulus bigelovii Barbara Gayle Pitzer 1998-1-24 3393 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
  POM19196  Mimulus diffusus H. Baer 1923-4-24 s.n. Riverside Rice canyon, Santa Ana Moutains Comment
  UCR114831  Mimulus floribundus Mitch Provance 1998-4-21 1113 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on the north side of Granite Hill Dr. 305 Comment
  CLARK-A1528-4252  Mimulus guttatus Art Whistler 1966-4-24 2 Riverside Deep Canyon Comment
  SEINET4678065  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-23 1307 Riverside Peninsular Range; Temescal Valley: Walker Canyon, 1.5 miles due east of Alberhill, North of Hwy I-15 (Lake Elsinore 7.5ft Q); 0 411 Comment
  UCR201997  Mimulus guttatus 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
  CSUSB915  Mimulus longiflorus Steve G. Nelson 1974-5-22 Riverside Box Spring Mountains Box Springs Mountains. Found at edge of rock outcrop 457 Comment
  RSA763844  Mimulus puniceus Doris Bowers 1972-4-15 1849 Riverside Rancho California area 457 Comment
  RSA788962  Mimulus puniceus Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49535 Riverside Santa Ana Mountains: along Ortega Highway (74) Comment
  RSA0018998  Mimulus suksdorfii Steve Boyd, Gary D. Wallace 2005-7-30 11638 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
  SEINET196194  Mirabilis californica LeRoy Abrams 1941-4-22 13875 Riverside Palomar School near Perris Comment
  SEINET272153  Mirabilis californica A. C. Sanders 1997-3-1 19 Riverside Box Springs Mountains: S end of the range along Gernert Rd. in valley drainging to Box Spring Cyn. 457 Comment
  SEINET3225532 Image available Mirabilis laevis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37468 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 204 Comment
  UCR215614  Mirabilis laevis Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 08 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  RSA0112094  Mirabilis laevis var. villosa Duncan S. Bell 2010-2-20 541 Riverside Arica Mountains; collecting in drainage in the southeast section of range, approx. 0.75 air mile west of Priest Well. 336 Comment
  UC1563079  Mirabilis laevis var. villosa Steve Boyd and Orlando Mistretta 1986-3-13 1480 Riverside ne Desert Center (first large canyon at nw tip of western segment of range); w side Palen Mts Comment
  VVC701  Mirabilis tenuiloba P. J. MacKay, C. Sanders 1997-2-8 94 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  SEINET11942042  Mirabilis tenuiloba Unknown 1936-1 12846 Riverside Colorado Desert, N of Palm Springs Comment
  RSA4943  Mohavea confertiflora Carl B. Wolf 1932-4-27 3054 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  SBBG25244  Mohavea confertiflora Leota Davidson 1966-4-5 217 a Riverside Wyley Wells Rd, off Interstate 10, at second intersection, Chuckawalla Mts Comment
  JEPS63421  Monardella australis subsp. australis Carl V. Meyer 1928-7-26 548 Riverside between Deer Springs and San Jacinto Peak 2895 Comment
  UC489171  Monardella australis subsp. australis C. V. Meyer 1928-7-26 548 Riverside San Jacinto Mt. 2895 Comment
  UCR146128  Monardella australis subsp. australis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1449 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UC218265  Monardella breweri subsp. lanceolata P. A. Munz 1922-7-3 5945 Riverside Head of Hemet Valley; San Jacinto Mts. 1524 Comment
  UC1995336  Monardella linoides subsp. linoides C. Epling 1937-6-10 Riverside 1 mi below Nightingale (Pines-to-Palms Highway) Comment
  UC1995341  Monardella linoides subsp. linoides C. Epling Jun 1938 Riverside Pines to Palms Highway Comment
  LA96092  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 99 Riverside Black Mountain, 0.75 mi. beyond the snow gate Comment
  UC2036000  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  UC25478  Monardella nana H. M. Hall May 1899 1180 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mt. 1524 Comment
  LA57197  Monardella nana Carl Epling; K. Simmons 1939-6-12 s.n. Riverside Santa Rosa Mts Comment
  POM48878  Monardella nana subsp. tenuiflora P. A. Munz 1924-7-27 8739 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA750310  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 126 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  OBI32735  Monardella robisonii K. Stolte 1979-9-4 Riverside Joshua Tree Natl Monument. Keys Ranch, Hidden Valley area. 100 m SW of the Natl Parks Service Trailer Comment
  RSA689491  Monardella robisonii A. C. Sanders, Mark A. Elvin, Jane Rodgers 2001-8-17 24610 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 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
  CAS-BOT-BC275297  Muhlenbergia microsperma A. N. Dunn; A. M. Martin 1932-3-26 s.n. Riverside Box Canon Comment
  CLARK-A1045-226  Muhlenbergia microsperma George K. Helmkamp 1979-3-18 Riverside Shavers Valley 3 miles south of Interstate highway 10 on Cottonwood Springs Road [Box Canyon Road]; Cottonwood Spring 15'Q Comment
  RSA0123752  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-10 8871 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA254127  Muhlenbergia microsperma Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6436 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe 290 Comment
  SEINET949799  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-1 32651 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north Clinton Keith Rd., vicinity of peak 2279 (Murrieta 7.5' Q). 1900 Comment
  UCR90300  Muhlenbergia microsperma F. M. Reed 1920-5-24 4351 Riverside Riverside, Box Springs Mtns: Canyon east of Highgrove, above Eureka Ranch 396 Comment
  CAS-BOT-BC275040  Muhlenbergia richardsonis Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, San Jacinto Mountain 2438 Comment
  POM1103  Muhlenbergia richardsonis H. M. Hall 1901-06 2290 Riverside Strawberry Valley 1616 Comment
  CLARK-A1528-4766  Muhlenbergia rigens John C. Roos 1952-8-27 5895 Riverside Reche Canyon 487 Comment
  UCD87105  Muhlenbergia rigens F. M. Reed 1928-7-10 7491 Riverside Riverside and vicinity. Camp Emerson, San Jacinto Mts. 1676 Comment
  UCR281283  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 16 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA350985  Myzorrhiza hutchinsoniana W. Hutchinson 1921-04 3407 Riverside Near Palm Springs. Comment
  UCSB33603  Nama demissa Simmons, Karen 1979-3-25 Riverside Just south of Cottonwood Springs; 30.5 mi. south of White Tank Campground; on Pinto Basin Road; Joshua Tree National Monument 152 Comment
  SBBG119058  Nassella pulchra S. D. White with M. Honer 2004-4-6 10060 Riverside Temescal Valley, just N of the I-15 Hwy and E of Indian Truck Trail, S and W of Lee Lake; T5S R5W S7, SW/4 & adjacent S12 335 Comment
  RSA532557  Navarretia fossalis D. E. Bramlet 1991-6-1 2183 Riverside 1.6 km west of Nuevo and some 100m north of the end of 13th st. The population is some 8m east of the San Jacinto River. 473 Comment
  RSA574753  Navarretia fossalis Steve Boyd, A. C. Sanders 1980-5-19 s.n Riverside San Jacinto Valley, of the San Jacinto River floodplain along the Ramona expressway near Lakeview. Comment
  CAS-BOT-BC109110  Nemacaulis denudata var. gracilis Geo. B. Grant 1906-4-20 6718 Riverside Palm Springs Comment
  UC178672  Nemacaulis denudata var. gracilis Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater 304 Comment
  UCR245658  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
  RSA339652  Nemacladus longiflorus var. breviflorus R. F. Thorne, C. W. Tilforth 1980-5-28 54232 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  SBBG35012  Nemacladus longiflorus var. longiflorus T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, few mi E of Hemet Comment
  RSA0112640  Nemacladus ramosissimus A. C. Sanders, D. Malueg 2003-5-8 26570 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
  RSA643682  Nemacladus rubescens A. C. Sanders, G. Nuhn 1995-4-20 16579 Riverside Colorado Desert: Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mts., NE of 1000 Palms; 0.6 miles NE of Dillon Rd. 350 Comment
  UCR88123  Nemacladus rubescens A. C. Sanders, G. Nuhn 1995-4-20 16579 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
  RSA716378  Nemophila menziesii Scott D. White 2006-4-27 11297 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC144187  Nemophila menziesii Baker 1904-4-4 4124 Riverside Elsinore Comment
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Jul 4 2010
  UCR96816  Nemophila menziesii Scott D. White 1993-3-12 1178 Riverside Near Winchester 466 Comment
  RSA613472  Nemophila menziesii var. menziesii D. L. Banks, Victor W. Steinmann 1997-3-13 1449 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA772059  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4625 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCSB41769  Nicotiana glauca Weidert, E. 1970-2-14 Riverside 1 mi N Hartford Springs, 6mi. NW Perris Comment
  RSA596161  Nicotiana glauca D. L. Banks 1996-11-7 1214 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., On the main road in the Reservation, 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA426710  Nicotiana obtusifolia Robert Gustafson 1981-4-7 2153 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA659516  Nicotiana obtusifolia J. C. Roos 1966-2-5 s.n. Riverside Pushawalla Wash near 1000 Palms, Indio Hills. Comment
  RSA799245  Nicotiana obtusifolia Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 733 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UCD126756  Nicotiana obtusifolia Collector Unknown 1928-7-30 s.n. Riverside farm of McHall, Cottonwood. Comment
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Feb 9 2013
  UCR251641  Nicotiana obtusifolia Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 782 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  SEINET4098931  Nicotiana trigonophylla G. T. Manthey 1977-1 1621 Riverside 10 miles east of Mecca, along road going to Joshua Tree National forest. Comment
  LA22817  Nolina parryi C. B. Wolf; 1931-5-11 1949 Riverside San Jacinto Mountains, above Hemet Valley, near Pipe Creek Comment
  UC219553  Nolina parryi P. A. Munz 1922-6-30 5928 Riverside rocky slopes s Santa Rosa; Santa Rosa Mts. 1767 Comment
  POM9801  Notholaena californica subsp. californica P. A. Munz 1922-07 4704 Riverside Andreas Canyon. Comment
  JEPS43999  Oenothera californica Marjorie Clary 1929-10-18 2 a Riverside w slope Santa Rosa Mt. (trail to summit) 1981 Comment
  JEPS44055  Oenothera californica Carl V. Meyer 1929-6-18 768 Riverside Hemet Valley San Jacinto Mts. (floor) Comment
  UCD106846  Oenothera deltoides Dan Axelrod 1932-3-23 s.n. Riverside Palm Springs. Comment
  POM66421  Oenothera deltoides subsp. deltoides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA785415  Oenothera scapoidea Keith E. Hoffmaster 1933-4-15 467 Riverside Desert end Palms to Pines road. Comment
  SEINET7909440  Oenothera speciosa P. L. Packard 1976-1 Riverside 6 mi W of Blythe, Interstate 10 Comment
  RSA604766  Olea africana A. C. Sanders 1996-10-23 19643 Riverside Rubidoux Mt, NE foot of the Mtn above the end of 9th Street. 305 Comment
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Jun 26 2008
  UCR72226  Oligomeris linifolia Theo Glenn 1991-5-30 91- 114 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  POM348471  Olneya tesota Anstruther Davidson 1928-5-1 s.n. Riverside Colorado Desert. Comment
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Dec 14 2015
  CAS-BOT-BC349927  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2005-5-17 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course 439 Comment
  SEINET7249213  Oncosiphon piluliferum R. E. Riefner Jr. 2012-1 12 -82 Riverside City of Lake Elsinore, S side of Alberhill Creek, W of Hwy. 74, vicinity of Bromley Ave. and Baker St. 380 Comment
  POM281232  Opuntia basilaris var. basilaris H. G. Rush 1951-6-3 200 Riverside 34 miles North of Blythe on hwy 95. 91 Comment
  UCD97977  Opuntia basilaris var. basilaris Geoffrey Levin 1974-3-30 7 Riverside Chino Canyon below the tramway. 426 Comment
  SEINET10447240  Opuntia echinocarpa Billy Joe Cox 1976-1-7 Cox 4227 Riverside Palo verde, 1-3 km w, creosote desert scrub; sany and gravelly entisols. 70 Comment
  SEINET2056689 Image available Opuntia erinacea A. C. Sanders, P. Mackay, G. Helmkamp, S. White, C. L. Sanders 1994-9-4 15592 Riverside San Bernardino Mountains: F.S. Road 2N04 just above crossing of Arrastre Creek, below conflunece w/Balky Horse Chy. 2200 Comment
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Aug 24 2013
  RSA353376  Opuntia munzii A. C. Sanders 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd., 5.2 miles W of Graham Pass Rd., S side of the Chuckwalla Mountains. 640 Comment
  SEINET10732174  Opuntia ramosissima Joseph A. Ewan 1933-2-19 Ewan 10836 Riverside Occasional in dry sand of mountain slopes near White [Fa ] Comment
  POM59001  Opuntia vaseyi L. R. Abrams 1908-07 s.n. Riverside Elsinore. Comment
  RSA357376  Orcuttia californica F. W. Peirson 1922-5-19 3028 Riverside Menifee Valley Comment
  RSA587422  Orobanche bulbosa D. L. Banks, S. D. Boyd 1995-6-2 566 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  UCR26561  Orobanche californica subsp. feudgei T. P. Krantz 1982-5-19 s.n. Riverside San Jacinto Mtns, Garner Valley 1402 Comment
  UC888001  Orobanche cooperi P. A. Munz, D. Keck 1922-4-13 4960 Riverside Colorado Desert, s base of Eagle Mountains Eagle Mountains; Colorado Desert, Eagle Mountains 213 Comment
  UC63233  Osmadenia tenella W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1974 Riverside Temascal wash Riverside, Santa Rosa Peak, Palomar 365 Comment
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Nov 27 2011
  UC21180  Osmorhiza berteroi H. M. Hall 1901-7 2592 Riverside Tamarack Valley San Jacinto Mountains 2682 Comment
  RSA562105  Osmorhiza brachypoda Steve Boyd 1992-4-14 6801 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  SD10667  Oxalis californica Mrs. D. R. Wolf 1932-3-20 21 Riverside Richman Ranch, 2I(c) miles north of De Luz, southwest Riverside County 456 Comment
  UC6605  Oxyria digyna H. M. Hall 1897-8-11 794 Riverside n side San Jacinto Mt.; n side San Jacinto Mt.; elevation as 11800 ft 3293 Comment
  POM12952  Oxytheca trilobata P. A. Munz, I. M. Johnston 1922-5-21 5537 Riverside Hemet Valley. 1433 Comment
  UCR162278  Paeonia californica 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
  UCSB47251  Paeonia californica Hibbard, Doug 1977-3-3 Riverside .3 miles due north of El Cariso campground near Ortega Hwy. Comment
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Nov 27 2014
  CAS-BOT-BC327929  Palafoxia arida Ira L. Wiggins 1938-3-19 8902 Riverside Colorado Desert.25 mi W of Blythe Comment
  CAS-BOT-BC327933  Palafoxia arida Paul F. Covel 1938-4-20 1181 Riverside Palm Springs Junction Comment
  HSC6042  Palafoxia arida R. A. Eagle 1964-3-28 16 Riverside 2 mi. this side of Palm Springs Comment
  UCR148299  Palafoxia arida 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
  SD217187  Panicum capillare Darin L. Banks, Elizabeth Hedge Banks & John B. Hedge 1996-6-6 1122 Riverside Northwest foothills of Dorland Mountain; south end of Los Caballos Road, approximately 20 meters north of the gate to the University of California-Emerson Oaks Reserve, across from the junction with the road to the local golf course, in a vineyard 427 Comment
  RSA0020038  Panicum hirticaule Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6010 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  POM366028  Panicum urvilleanum George R. Johnstone 1929-11-28 s.n. Riverside Palm Springs 244 Comment
  CAS-BOT-BC422793  Papaver californicum Steve Boyd; Tim Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy 79. 670 Comment
  CLARK-A1528-4390  Parietaria floridana John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  POM2130  Parietaria hespera I. M. Johnston 1917-4-4 991 Riverside Palm Canyon. 457 Comment
  UCR49218  Parietaria hespera var. californica Steve Boyd 1986-4-2 1596 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SEINET10852748  Parkinsonia aculeata David B. Dunn 1948-6-18 Dunn 332 Riverside Trees planted along highway; near Cabazon. Comment
  SEINET10940084  Parkinsonia florida Billy Joe Cox 1975-4-23 Cox 4137 Riverside 1-3 km W, (ca 32 m S of Blythe). 70 Comment
  JOTR31803  Pectis papposa var. papposa La Doux, Tasha, Bill Truesdell 2007-11-9 2511 Riverside Joshua Tree National Park. Pinto Basin, where Fried Liver Wash crosses Pinto Basin Road; between Hexie and Pinto Mountains (Stop 1) 532 Comment
  UC90553  Pectis papposa var. papposa T. S. Brandegee 1901-4-4 Riverside Colorado Desert Comment
  CLARK-A1528-2249  Pectocarya linearis John C. Roos 1952-2-29 5371 Riverside Reche Canyon 457 Comment
  SD236233  Pectocarya linearis John F. Green 2006-4-25 Riverside Peninsular Ranges; Foothills of Santa Ana Mountains / Santa Rosa Plateau; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and la Serena Way; E of Veterans park (Bachelor Mtn 7.5'Q) 366 Comment
  UCR266474  Pectocarya linearis var. ferocula Mitch Provance, Matt Amalong 2015-3-25 315- 41 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
  CLARK-A1528-338  Pectocarya penicillata C. M. Flanagan 1973-4-21 OO 302 Riverside Morongo Indian Reservation 914 Comment
  RSA0039459  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-2 40734 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 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
  CAS-BOT-BC169709  Pectocarya peninsularis R. F. Hoover 1969-4-11 11213 Riverside Mouth of Morongo Valley Canyon Comment
  CLARK-A1045-298  Pectocarya recurvata George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  RSA800055  Pectocarya recurvata J. Andre 2012-3-19 21316 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  JOTR34483  Pectocarya setosa Andre, Jim 2012-4-16 20966 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  POM13104  Pectocarya setosa P. A. Munz 1922-5-20 5497 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  CAS-BOT-BC69222  Pellaea andromedifolia Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4020 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  RSA770698  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4802 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC77191  Pellaea mucronata subsp. mucronata C. B. Wolf 1931-5-11 1958 Riverside San Jacinto Mts. - rocky places near Pipe Creek above Hemet Valley 1676 Comment
  JOTR29594  Pellaea mucronata var. mucronata Andre, Jim 2006-4-26 6773 Riverside Joshua Tree National Park. ridgetop W of upper Long Canyon, approx 0.5 mi. S. of radio tower and of NE corner (boundary) of park 1324 Comment
  RSA33304  Pellaea mucronata var. mucronata Norman C. Cooper 1944-3-24 1032 Riverside Banning; 701 Comment
  UCR243511  Pellaea mucronata var. mucronata Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21084 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  JOTR32846  Pennisetum setaceum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1543 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky outcrops 901 Comment
  UCR52467  Pennisetum setaceum D. C. Hawks 1986-4-17 s.n. Riverside Sonoran (Colorado) Desert, Whitewater River Channel, 1 mi. south of Hwy I-10 and 2 mi. west of Indian Ave 259 Comment
  RSA305628  Penstemon centranthifolius C. W. Tilforth, Walter Wisura 1979-10-10 1915 Riverside 0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley. 1341 Comment
  SEINET3079731 Image available Penstemon centranthifolius J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1249 Comment
  RSA97214  Penstemon centranthifolius R. M. Straw 1953-6-23 472 Riverside North of Fulmor Lake, Idyllwild to Banning Rd. Comment
  POM11199  Penstemon clevelandii subsp. connatus Philip A. Munz 1922-7-1 5931 Riverside Santa Rosa Mountains: Old Nicholas Canyon. 1463 Comment
  RSA0103098  Penstemon clevelandii subsp. connatus Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8542 Riverside Santa Rosa Mountains; along the Cactus Spring Trail, just above Horsethief Creek. 1064 Comment
  UCR35257  Penstemon clevelandii subsp. connatus L. B. Ziegler 1969-5-7 355 Riverside San Jacinto Mtns., Pinyon Flats 1250 Comment
  UC195280  Penstemon clevelandii var. connatus S. B. and W. F. Parish Apr, 1882 1216 Riverside Mts. at Agua Caliente [Agua Caliente=Palm Springs, (now) Riverside Co., [hence probably near Vandeventers Ranch above that town.]?DDK J. Ewan 1935] Mts. at Agua Caliente Comment
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Nov 6 2006
  UC886890  Penstemon clevelandii var. connatus P. A. Munz 1922-7-1 5931 Riverside Old Nicholas Canyon Santa Rosa Mts., Old Nicholas Canyon 1463 Comment
  UC1329887  Penstemon eatonii var. undosus James E. Cole 1941-5-29 813 Riverside Stubby Spring Road Joshua Tree National Monument, Stubby Spring Road 1432 Comment
  POM15010  Penstemon labrosus Mary F. Spencer 1922-7-2 961 Riverside Idyllwild. 1707 Comment
  SD229293  Penstemon spectabilis Dick Schwenkmeyer 2012-4-17 690 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR214300  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38396 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  JOTR35132  Pentagramma triangularis subsp. triangularis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3244 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  CAS-BOT-BC355983  Perityle emoryi D. A. Johansen; J. A. Ewan 1932-4-10 7059 Riverside Mouth of Tahquitz Canyon, western Colorado Desert Comment
  RSA124410  Perityle emoryi P. C. Everett, E. K. Balls 1958-4-29 23014 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City 549 Comment
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Mar 20 2011
  SBBG25004  Perityle emoryi D. Myrick 1966-4-5 1383 Riverside near S entrance of Joshua Tree Nat Monument Comment
  SEINET3217334 Image available Perityle emoryi Teresa B. Salvato 2010-4-20 4057 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe. (MxCoy Peak 7.5 Q.) 183 Comment
  JEPS41242  Petalonyx thurberi Jos. Burtt Davy 1902-4-7 8050 Riverside Salton Comment
  RSA38401  Petalonyx thurberi P. A. Munz 1946-10-20 11582 Riverside Foot of grade on Palms to Pines Hwy, North base of Santa Rosa Mts. 152 Comment
  RSA781907  Petalonyx thurberi Duncan S. Bell 2010-5-1 901 Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  JOTR32477  Petalonyx thurberi subsp. thurberi Herskovits, Tasya 2011-5-25 13 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
  UC535038  Petalonyx thurberi subsp. thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon; Coachella Valley 243 Comment
  RSA653584  Petunia parviflora A. C. Sanders, David E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23174 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  LA203887  Peucephyllum schottii Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Box Canyon 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
  RSA778112  Peucephyllum schottii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 926 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  SEINET2054224 Image available Peucephyllum schottii A. C. Sanders, L. Lubinsky, A. Knapp, P. MacKay & C. L. Sanders 1995-2-12 15923 Riverside Colorado Desert, Coachella valley, outh of Fargo Canyon, Little San Bernardono Mtns., 1.2 mi abgove junction with Aqueduct Road. 365 Comment
  RSA682844  Phacelia ambigua Scott D. White 2003-3-23 8836 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  POM18745  Phacelia brachyloba P. A. Munz 1923-6-14 7087 Riverside Glen Ivy Trail to Santiago Peak. 1433 Comment
  RSA0055045  Phacelia campanularia James R. Shevock 1971-5-8 1032 Riverside Joshua Tree Nat'l. Mon., So. entrance, Cottonwood Cyn. 457 Comment
  SEINET5537057  Phacelia campanularia E. Neese 1979-4-10 7066 Riverside Joshua Tree National Monument south of Twenty-Nine Palms, between Pinto Basin junction and Cottonwood Wash. 305 Comment
  UC791036  Phacelia campanularia subsp. vasiformis Carroll E. Wood Jr. and Thomas Morley 1949-5-1 7624 Riverside sw-facing slope at Key's View Joshua Tree National Monument, Little San Bernardino Mountai (mts. above Coachella Valley) Comment
  RSA0110953  Phacelia campanularia subsp. vasiformis Rofena Lewis, F. Brubaker 1926-2-22 6500 Riverside Along Boulevard below Whitewater Bridge, head of Coachella Valley. Comment
  CHSC111045  Phacelia cicutaria var. hispida L. M. Prince; Duncan S. Bell 2009-6-17 580 Riverside Cleveland National Forest. Comment
  UC1087288  Phacelia cicutaria var. hispida E. K. Balls and P. C. Everett 1958-3-19 22873 Riverside hills 1 mi e Hwy. 17 to Elsinore 198 Comment
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Mar 1 2014
  UCR213624  Phacelia cicutaria var. hispida A. C. Sanders, Matthew Malle 2010-4-23 37996 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR241243  Phacelia cicutaria var. hispida Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 510 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UC64056  Phacelia ciliata var. ciliata H. M. Hall 1897-3-20 394 Riverside Temescal Comment
  RSA0042167  Phacelia crenulata var. ambigua Duncan S. Bell, Evan Meyer 2014-4-2 6519 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UC68752  Phacelia crenulata var. ambigua H. M. Hall May 1905 5897 Riverside Chuckawalla Springs Colorado Desert Comment
  UCR148844  Phacelia crenulata var. ambigua John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCSB5447  Phacelia crenulata var. ambigua Haller, John 1957-3-23 Riverside S boundary of Joshua Tree National Monument, 4 air miles S of Cottonwood sprs., and 1 mile N of junc. with U.S. 60 609 Comment
  RSA778225  Phacelia crenulata var. minutiflora Duncan S. Bell 2009-3-7 30 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  CHSC35344  Phacelia distans James Henrickson 1973-3-18 8600 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  CHSC713  Phacelia distans V. Holt 1942-3-20 Riverside Desert Center. Comment
  HSC13698  Phacelia distans C. L. Hitchcock, C. V. Muhlick 1964-3-17 23090 Riverside 1/2 mi. SE of Glen Ivy Hot Springs Comment
  RSA716379  Phacelia distans Scott D. White 2006-4-27 11298 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA772125  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4835 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. 915 Comment
  SD107798  Phacelia distans C. W. Tilforth 1978-4-30 1567 Riverside Low rounded hills east of Norco. Comment
  UC494555  Phacelia distans Philip A. Munz 1932-3-14 11973 Riverside along wash of Deep Canyon Coachella Valley 91 Comment
  UCR177942  Phacelia distans Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 533 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR195122  Phacelia distans A. C. Sanders, Tim Thomas 2008-8-1 35959 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  RSA770852  Phacelia minor Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4936 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
  UC1523628  Phacelia minor Robert F. Thorne, Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60626 Riverside along Clinton Keith Rd near base of plateau; Santa Rosa Plateau 430 Comment
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Aug 4 2007
  UCR133411  Phacelia minor Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 320 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  RSA428115  Phacelia mutabilis M. B. Dunkle 1933-7-19 3680 Riverside Upper Tahquitz Valley. Strawberry Creek. 2409 Comment
  UCSB16950  Phacelia vallis-mortae Lean, Jr., Steve 1963-5-5 Riverside Pinon Flat Campground, 21.3 miles southeast of Mountain Center, along State Highway 74 1219 Comment
  UCR20521  Phacelia viscida H. A. Zuill 1966-6-5 197 Riverside Santa Ana Mtns., San Mateo Canyon c. 13 mi SW of Murrieta Comment
  UCR126974  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2003-5-9 26590 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  CAS-BOT-BC128870  Philadelphus microphyllus H. M. Hall 1897-8-11 800 Riverside San Jacinto Mts. 2590 Comment
  PASA1946  Philibertia hirtella 1928-3-3 Riverside Hidden Springs Col. Desert Comment
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Aug 27 2016
  UCD89319  Phleum alpinum Carl V. Meyer 1928-7-26 538 Riverside San Jacinto Mountains, Deer Springs. 2651 Comment
  POM13139  Phlox austromontana P. A. Munz, I. M. Johnston 1922-5-19 5450 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  UCR121693  Phlox gracilis A. C. Sanders 2002-5-4 25043 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  JOTR32530B  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  SD144147  Phoenix dactylifera A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart & C. L. Sanders 1994-12-4 15889 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity. 29 Comment
  SD181475  Pholistoma auritum Scott D. White, Pam DeVries 2000-4-25 7725 Riverside Temescal Valley, eastern foothills of Santa Ana Mountains just above citrus groves; Corona South [quad]. 412 Comment
  SD152823  Pholistoma auritum var. auritum Steve Boyd 1992-4-15 6870 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Bluewater Canyon along Bluewater Tr. downstream to the confluence with San Mateo Creek. 334 Comment
  POM4507  Pholistoma membranaceum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  UCD102028  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  RSA640171  Phoradendron californicum Louis C. Wheeler 1964-10-17 8641 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  RSA698142  Phoradendron californicum W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  RSA703485  Phoradendron californicum LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1465 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SBBG36339  Phoradendron californicum T. L. Secrest 1948-4-7 Riverside near Whitewater 289 Comment
  SBBG43589  Phoradendron californicum K. K. Muller 1957-4-13 801 Riverside 12 mi W of Desert Center Comment
  SBBG87469  Phoradendron californicum A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6097 Riverside Corn Spring, Chuckwalla Mtns, wash below the spring and wash, and rocky slopes to the S 487 Comment
  SD260308  Phoradendron californicum A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40510 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road. 694 Comment
  UC1971180  Phoradendron californicum Louis C. Wheeler 1964-10-17 8641 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  UCR1505  Phoradendron californicum Donna Lee Hobbs 1962-2-2 2-2-62- 01 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 mi north of Deep Canyon Research Station gate on Deep Canyon Road Comment
  UCR48554  Phoradendron californicum J. Glazner 1985-3-24 s.n. Riverside San Bernardino Mtns., Whitewater Canyon, 3 mi. north of I-10 and 1 mile south of Whitewater trout co. 442 Comment
  CLARK-A1528-4421  Phoradendron longispicum John C. Roos 1952-3-26 5420 Riverside Riverside 259 Comment
  CAS-BOT-BC171149  Phoradendron serotinum subsp. tomentosum Scott D. White 1996-8-1 4444 Riverside San Jacinto Mtns. Idylwild Area: N of Strawberry Valley, between Bear Trap Cyn and Lily Creek 1615 Comment
  CLARK-A1528-614  Phoradendron tomentosum subsp. macrophyllum P. A. Rauch 1966-1-24 Riverside Radec Comment
  POM354350  Phoradendron villosum N. C. Cooper 1945-5-24 1630 Riverside Big Oaks Canyon, Banning. 1220 Comment
  POM14235  Physalis crassifolia Philip A. Munz, D. D. Keck 1922-4-9 4910 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UCR102928  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2670 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  RSA637527  Physalis philadelphica Scott D. White 1998-9-4 7122 Riverside Beaumont: 'Oak Valley Golf Course' Flood detention basin along intermittent channel just above (i.e N side) of golf course. 762 Comment
  UCR5867  Physalis philadelphica O. F. Clarke 1966-10-2 661002- 21 Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street [now the site of an apartment complex, 2001] 305 Comment
  UC1129884  Pickeringia montana var. tomentosa R. St. John 1931-2-27 190 Riverside Sitton Peak Elsinore Quadrangle 991 Comment
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Nov 27 2011
  RSA336065  Pilularia americana R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51981 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UC1536020  Pilularia americana Robert F. Thorne and Earl Lathrop 1975-5-20 45544 Riverside Rancho California Mesa de Burro; Santa Rosa Plateau 609 Comment
  RSA263775  Pinus attenuata R. Weatherby 1950-5-11 1373 Riverside Hagador Canyon, Santa Ana Mountains. 793 Comment
  CAS-BOT-BC78434  Pinus contorta var. latifolia Carl B. Wolf 1932-8-5 3984 Riverside San Jacinto Mts., Summit of San Jacinto Peak 3293 Comment
  JEPS47911  Pinus flexilis W. L. Jepson 2308 Riverside Tauquitz Peak San Jacinto Mt. 2682 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
  HSC86141  Pinus ponderosa B. Freeman 1969-3-25 690325 Riverside James Reserve, San Jacinto Mtns., N of James' House Comment
  HSC90098  Pinus quadrifolia Amy Austin, Tony LaBanca, Noreen McClintock 1990-3-15 15 Riverside San Bernardino National Forest, 0.4 mi. N of S boundary on Hwy. 371 1159 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
  RSA282903  Pinus quadrifolia C. W. Tilforth, J. Dourley 1980-7-15 2082 Riverside South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74. Comment
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Mar 28 2014
  CAS-BOT-BC136556  Piperia cooperi W. I. Lester 1895-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA562457  Piperia cooperi Steve Boyd, Timothy S. Ross 1992-5-5 7232 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  SEINET7887987 Image available Pistacia mexicana W. T. Swingle 1929-1 s.n. Riverside U.S. Expt. Garden, Indio Comment
  UCR97024  Pityrogramma triangularis var. triangularis Scott D. White 1997-2-28 4712 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  CAS-BOT-BC71772  Pityrogramma triangularis var. viscosa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23110 Riverside 10 mi. N. of Pala, along road to Elsinore Comment
  RSA614172  Plagiobothrys canescens D. L. Banks 1997-2-23 1287 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA645633  Plagiobothrys canescens Scott D. White 1999-5-2 7282 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  SEINET242060  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2001-3-30 23859 Riverside Perris-Aguanga Basin region: Temecula, Long Canyn W of Del Rey Rd, along bottom of canyn W of jnxn of Av. Pina Colada 366 Comment
  UCR49259  Plagiobothrys canescens Steve Boyd 1986-4-2 1627 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR91471  Plagiobothrys canescens Scott D. White, M. Jacobsmeyer 1996-4-20 3979 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR128317  Plagiobothrys collinus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro 579 Comment
  UCR193272  Plagiobothrys collinus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35616 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.1 mi SW of Fleming Ranch, along dirt track 1555 Comment
  UCR234285  Plagiobothrys collinus A. C. Sanders, John F. Green 2012-4-6 40011 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  RSA522714  Plagiobothrys collinus var. californicus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3900 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
  SD244102  Plagiobothrys collinus var. californicus A. C. Sanders, Timothy . Chumley 2013-4-3 40769 Riverside Peninsular Range: Temescal Canyon south of Horsethief Canyon Road, off the west shoulder of I-15 fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 391 Comment
  RSA0013701  Plagiobothrys collinus var. ursinus LeRoy Gross, Grace Cho 2013-4-9 5996 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
  UCR116457  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato 2001-3-30 23872 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  RSA523522  Plagiobothrys tenellus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3981 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC1563044  Plagiobothrys tenellus Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-31 3075 Riverside 0.25 mi e Pauba Road (s of Hwy 79); Vail Lake area 426 Comment
  SD146202  Plantago elongata A. C. Sanders, K. C. Rose 1998-5-21 21862 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 456 Comment
  UCR182523  Plantago elongata Mitch Provance 2005-5-17 6576 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
  UCR50431  Plantago erecta Bill Wagner 1988-3-2 s.n. Riverside Peninsular Range, Glenoaks Road, c. 2.5 mi south of Lake Skinner and c. 8 mi NE of Temecula. 564 Comment
  CLARK-A1045-128  Plantago insularis George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  SDSU14089  Plantago lanceolata Jonathan S. Austin, Michael G. Simpson 2002-4-20 19 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river,growing on slight mound of soil about two feet high. Santa Margarita Ecological Reserve. 229 Comment
  RSA0021552  Plantago ovata Duncan S. Bell 2012-3-4 3136 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  SD187452  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, ca. 10 mile east of Highway 177 . 365 Comment
  UCR3475  Plantago ovata Sally Bell 1964-3-15 s.n. Riverside Sonoran (Colorado) Desert, Cathedral City, c. 500 yards from back of Travel Lodge Trailer Court off Hwy 111 91 Comment
  RSA21483  Plantago purshii var. oblonga Carl B. Wolf 1937-4-5 8418 Riverside San Gorgonio Pass, 1 mi. W. of Whitewater 366 Comment
  UC845486  Platanthera leucostachys I. W. Clokey and E. G. Anderson 1935-8-21 6561 Riverside Fuller's Creek 1500 Comment
  UCR224260  Platanus racemosa Robt. L. Allen, Fred M. Roberts 2007-6-22 s.n. Riverside San Jacinto Mtns. Foothills, SE of Hemet, Bautista Cyn, c. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. 727 Comment
  UCSB2710  Platanus racemosa Haller, John 1950-5-20 Riverside base of San Jacinto Mtns; Hemet-Idyllwild Road; opposite Cranston Ranger Station 609 Comment
  RSA500217  Platystemon californicus Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3526 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA612781  Platystemon californicus D. L. Banks, Victor W. Steinmann 1997-3-13 1421 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR103734  Platystemon californicus A. C. Sanders, G. Helmkamp 1997-3-15 19985 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  UCR249824  Platystemon californicus T. B. Salvato, John Lovio 2013-3-19 7363 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  JEPS6894  Plectritis ciliosa subsp. insignis Marcus E. Jones, A. M. 1882-4-24 3167 Riverside San Jacinto Comment
  RSA0027563  Pleuraphis rigida April Garbat, Sarah Fisher, Kristin Forgrave 2013-8-1 97 Riverside Chuckwalla Valley. Intersection of Graham Pass Rd and Chuckwalla Valley Rd. 120 Comment
  JOTR35069  Pleurocoronis pluriseta La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3521 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  UC485541  Pleurocoronis pluriseta F. M. Reed 1917-5-19 3866 Riverside Palm Canyon Colorado Desert Comment
  UCD134970  Pleurocoronis pluriseta J. C. Roos 1966-3-10 s.n. Riverside 3 miles southwest of Desert Center, Chuckwalla Mtns. Comment
  JOTR37488  Pluchea sericea Hodges, Stephen R., M. Vamstad 2016-3-22 617 Riverside Joshua Tree National Park. Eagle Mountains, South of Eagle Mine, Buzzard Springs Comment
  RSA586100  Poa annua D. L. Banks, Steve Boyd 1995-4-5 140 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, along the Dripping Springs Trail., 33 deg 27' 20''N-116 deg 58' 26''W. 646 Comment
  CAS-BOT-BC247395  Poa pratensis F. A. Blake 1901-6-2 s.n. Riverside Reyneta Comment
  POM294734  Poa secunda Lyman Benson 1946-4-15 12014 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. 609 Comment
  UCD91881  Poa secunda subsp. secunda Fred M. Reed 1905-2-26 671 Riverside Tequesquite Arroyo near Victoria Club House. Comment
  POM126398  Polygala cornuta var. fishiae F. M. Reed 1917-6-3 3989 Riverside Main Street Canyon , South of Corona Comment
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Oct 10 2009
  UCR217566  Polygala cornuta var. fishiae Jeff B. Galvin 2008-6-3 50 Riverside Peninsular Ranges, foothills of the Santa Ana Mountains, Just west of De Luz Creek, along Avocado Mesa Rd. 547 Comment
  RSA740076  Polygonum arenastrum Scott D. White, Justin M. Wood 2008-6-16 12139 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UCR264615  Polygonum aviculare Mitch Provance 2011-6-6 17010 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  UCR122569  Polygonum hydropiperoides George K. Helmkamp, E. A. Helmkamp 2000-8-29 5985 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  IRVC3039  Polypodium californicum R. H. Whittaker, W. A. Niering 1963-6-6 SJ 183 Riverside Bee Canyon; San Jacinto Ridge Road. San Jacinto Mountains 701 Comment
  UCD91193  Polypogon maritimus K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  RSA799069  Polypogon monspeliensis Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6865 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  POM49460  Populus X parryi M. French Gilman 1924-07 s.n. Riverside Side canyon of Snow Canyon. 610 Comment
  SEINET12976199  Populus deltoides Ronald L. Hartman 1972-3-23 3233 Riverside Hwy 111, 2 mi N of Palm Springs. Comment
  CAS-BOT-BC102591  Populus fremontii L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  RSA573439  Populus fremontii Steve D. Boyd, D. L. Banks 1994-9-8 8336 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland National Forest, head of shallow draw on flats northeast of the upper end of Tenaja Canyon, south of Wildomar Truck Trail (Tenaja Road, 7S01). 585 Comment
  RSA799667  Populus fremontii subsp. fremontii LeRoy Gross, Bart O'Brien 2013-3-18 5951 Riverside Fairmount Park, west side of Lake Evans. Riverside. Northeast of Mount Rubidoux. 238 Comment
  RSA613425  Populus trichocarpa D. L. Banks 1997-4-5 1667 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
  LA203863  Porophyllum gracile Tom O'Donnell; 1953-5-2 sn Riverside 11 mi. from intersection of highways 111 and 74. On highway 74 Comment
  CDA844  Potamogeton pectinatus L. C. Wheeler 1953-3-3 7034 Riverside Sonoran (Colorado) Desert; Alligator Slough on the Colorado River 0 Comment
  UCR65271  Potamogeton pectinatus Steve Boyd, Orlando Mistretta 1989-7-18 3760 Riverside Peninsular Range, Vail Lake area, along W shore of lake 0.5 mi south of the dam 427 Comment
  UC814189  Potamogeton pusillus var. pusillus P. A. Munz, I. M. Johnston 1922-5-21 5523 Riverside Garner Ranch Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  CAS-BOT-BC144850  Potentilla rimicola Frank W. Peirson 1924-7-27 5000 Riverside 1/2 mile west of Deer Spring, San Jacinto Mts. Comment
  OBI40586  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Mead Valley, 4.5 mi NW of Perris, along Cajalco rd, 0.2 mi E of its intersection with Clark St (Old Elsinore Rd) Comment
  RSA0014817  Proboscidea parviflora subsp. parviflora Aaron C. Sedgwick, Cody Leslie 2012-9-21 126 Riverside Rice Valley - ~10 mi. south of Hwy. 62 on Rice/Blythe Rd. 281 Comment
  CAS-BOT-BC206979  Prosopis glandulosa var. torreyana Roxana S. Ferris 1918-6-14 963 Riverside By stream at Palm Springs. Comment
  RSA699635  Prosopis juliflora var. glandulosa Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon Comment
  JEPS65606  Prosopis pubescens Marjorie D. Clary 1932-5-29 2427 Riverside Coral Reef Ranch; Colorado Desert, Coachella Valley -13 Comment
  SBBG3764  Prosopis pubescens H. and M. Dearing 1936-12-25 814 Riverside 1000 Palms Comment
  UC61550  Prosopis pubescens Miss Mary McKibben May 1904 Riverside Mecca -60 Comment
  CAS-BOT-BC158582  Prunus David Dreyer 1968-4-9 s.n. Riverside Along north facing slopes of south side of Morongo Valley 609 Comment
  SBBG70929  Prunus emarginata R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  RSA802422  Prunus virginiana Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5017 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  CLARK-A1528-284  Psathyrotes ramosissima Charlotte Stocks 1962-5-3 Riverside Mecca Comment
  RSA0039857  Psathyrotes ramosissima Duncan S. Bell, Evan Meyer 2014-4-2 6505 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA94086  Psathyrotes ramosissima F. W. Peirson 1918-03 1426 Riverside Between Palm Springs and Indio. Comment
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Feb 22 2009
  UC485714  Pseudognaphalium biolettii Robinson and Crocker 1916-3-29 569 Riverside canyon near Murrieta; Santa Ana Mts. Comment
  UC31984  Pseudognaphalium stramineum H. M. Hall 1901-8-1 2609 Riverside wooded slopes and benchs of the s side San Jacinto Mountains 1615 Comment
  MACF019489  Pseudotsuga macrocarpa Trudy R. Ericson 1974-11-9 270 Riverside Approx. 5 mi. west of intersection of St. 74 and 243, going toward Hemet. San Bernardino National Forest. 1219 Comment
  UCR266318  Psilocarphus brevissimus D. E. Bramlet 1991-4-29 2076 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  CAS-BOT-BC361789  Psilocarphus brevissimus var. brevissimus John Thomas Howell 1930-5-10 4775 Riverside March Field Comment
  UC1007140  Psilostrophe cooperi Philip A. Munz 1940-3-24 15698 Riverside 2 mi s Cottonwood Springs; Eagle Mts. 914 Comment
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Nov 2 2011
  RSA735067  Psorothamnus arborescens var. simplicifolius Scott D. White, Angelia Carey 2004-6-4 10479 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  CAS-BOT-BC353619  Psorothamnus emoryi B. D. Stark 1932-6-15 3731 Riverside Whitewater, road to Indio, Colorado Desert 152 Comment
  POM276882  Psorothamnus emoryi Lyman D. Benson 1933-3-31 4189 Riverside Salton Sea-Imperial Co. line. 61 Comment
  POM8994  Psorothamnus emoryi Mary F. Spencer 1918-4-27 767 Riverside In desert sand, Palm Springs, Colorado Desert Comment
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Jul 24 2010
  RSA0106712  Psorothamnus emoryi Duncan S. Bell 2011-9-30 2945 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA403991  Psorothamnus emoryi F. A. Thackery 1928-4-24 3 a Riverside Edom. Comment
  CAS-BOT-BC340908  Psorothamnus schottii O. F. Sillig 1917-5-21 s.n. Riverside Palm Springs, Colorado Desert Comment
  SEINET2063920 Image available Psorothamnus schottii Norman C. Cooper 1949-4-8 3250 Riverside Mecca Pass E of Indio. 457 Comment
  UC311260  Psorothamnus schottii Philip A. Munz 1926-1-1 10816 Riverside Thousand Palms Comment
  CAS-BOT-BC340946  Psorothamnus spinosus John Thomas Howell 1928-1-28 3291 Riverside Thousand Palms, Colorado Desert Comment
  JEPS41654  Psorothamnus spinosus Marjorie Clary Oct 1930 13 Riverside Coral Reef Ranch Coachella Valley -13 Comment
  POM68415  Psorothamnus spinosus Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  CAS-BOT-BC72526  Pteridium aquilinum Grant 1901-7-1 4849 Riverside Strawberry Valley, SB Mts. Comment
  RSA482019  Pteridium aquilinum var. pubescens Richard Noyes, L. Arnseth 1988-9-10 730 Riverside San Jacinto Mountains: South Ridge Trail, southwest of Tahquitz Peak. 2072 Comment
  CAS-BOT-BC460531  Pterospora andromedea Mrs. E. C. Van Dyke 1925-7-22 s.n. Riverside Idyllwild Comment
  RSA769709  Pterostegia drymarioides E. W. Lathrop 1973-6-28 7446 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  SDSU12923  Pterostegia drymarioides Jutta Buschbom 1991-3-6 47 Riverside SE-slope, N-Border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve, Temecula. Comment
  UC2015555  Pterostegia drymarioides A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16157 Riverside Coachella Valley/San Jacinto Mtns. Foothills, alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Canyon Dr.). Comment
  UC6927  Pterostegia drymarioides Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCD100932  Pterostegia drymarioides A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25836 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 365 Comment
  UCR113133  Pterostegia drymarioides A. C. Sanders 1998-3-11 21679 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
  UCR121301  Pterostegia drymarioides A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25010 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UCR214131  Pterostegia drymarioides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37735 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR258871  Pterostegia drymarioides T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7906 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  JOTR37466  Purshia tridentata var. glandulosa Hodges, Stephen, T. Green 2016-5-5 588 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  UC72988  Purshia tridentata var. tridentata M. F. Gilman 1904-1 13 Riverside Banning Comment
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Mar 13 2011
  UCSC000553  Pyrola picta I. J. Condit 2010-6-22 s.n. Riverside San Jacinto Mts. 2438 Comment
  UCR278567  Quercus Mitch Provance 2012-9-5 912- 10 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  UCSB41270  Quercus X acutidens Cowan, Clark 1978-4-25 Riverside 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. Forest; Whittaker transect #W-229 Comment
  SDSU217  Quercus agrifolia var. agrifolia James C. Dice, Ruth Miller 1987-11-23 753 Riverside Near northeast edge of Reservoir, at north edge of Eucalyptus planting. T8S, Section 22. 111 Comment
  UCR100773  Quercus berberidifolia A. C. Sanders, T. Tennant 1997-11-14 21602 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  UCR51924  Quercus berberidifolia Steve Boyd 1987-11-23 2097 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  UCR53306  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  UCSB1263  Quercus chrysolepis Lauter, Wolfgang 1960-5-15 Riverside Pinyon Flats Campground, Palms to Pines highway 1219 Comment
  SEINET7048004  Quercus chrysolepis var. nana Steven R. Hill, Kate Kramer and family 2001-4-26 33471 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  CHSC21929  Quercus cornelius-mulleri L. A. Bellue; R. A. Schlising 1970-11-7 2955 Riverside Near Kenworhty Forest Station on Morris Ranch Road, 3.3 miles north of Highway 74. Comment
  RSA0067891  Quercus cornelius-mulleri Peter Rowlands 1970-5-17 T- 155 Riverside San Brdno. Nat. For., San Jacinto Wilderness Area, Pinon Flats Campground, 15 mi. E. of Idyllwild on Hwy. 74. 914 Comment
  CAS-BOT-BC86546  Quercus dumosa E. W. Lathrop 1965-9-22 6020 Riverside 8 miles W of Murrieta. Santa Ana Mts. 609 Comment
  UCD45794  Quercus dumosa Steve Boyd 1987-11-23 2097 Riverside Mt. Russel, N. of Lake Perris, Moreno Valley. Elev. 2500 feet. 762 Comment
  JOTR31147  Quercus john-tuckeri La Doux, Tasha 2009-6-3 1857 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  POM310603  Quercus john-tuckeri Marcus E. Jones 1956-04 s.n. Riverside Joshua tree on road to Juniper Flats. 1463 Comment
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Mar 14 2014
  UC404011  Quercus john-tuckeri Dr. D. P. Barrows before Aug 1898 3 Riverside Cahuilla Indians Comment
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Feb 14 2013
  SBBG58951  Quercus kelloggii M. Lewis 1947-8-26 21 Riverside Dark Cyn 1981 Comment
  UCSB1229  Quercus palmeri Haller, John 1960-5-15 Riverside Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  UCSB1230  Quercus palmeri W. Neely S.N. Riverside DESERT SIDE OF MOUNT SAN JACINTO (TOWARDS PALM SPRINGS) 1371 Comment
  POM229444  Quercus wislizeni var. frutescens Noel Wallace 1937-10-19 bs 80 Riverside North side of Box Springs Mt. 762 Comment
  RSA288004  Quercus wislizeni var. frutescens C. W. Tilforth, Walter Wisura 1979-11-10 1920 Riverside 2 miles W of Hwy 74 along Thomas Mtn Road. 1 mile south of Lake Hemet, Garner Valley. Comment
  UCD170548  Quercus wislizeni var. wislizeni D. O. Burge 2017-5-20 2276 Riverside San Jacinto Mountains, Lake Fulmore area, University of California James Reserve. 1640 Comment
  SDSU12948  Rafinesquia californica Jutta Buschbom 1991-6-3 22 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
  JEPS23077  Rafinesquia neomexicana Reino Alava with R. Bacigalupi, Dr. and Mrs. Rolla Tryon 1958-3-3 1832 Riverside 27 mi s Vidal (along U.S. Highway 95, in flood plain of the Colorado River, ne of the Big Maria Mts., e Riverside County); Colorado River 97 Comment
  JEPS29289  Rafinesquia neomexicana Rimo Bacigalupi, and L. Heckard, and P. C. Hutchison 1962-3-23 8360 a Riverside 1.9 mi sw San Bernardino County line (lower end of Morongo Wash); Morongo Wash 609 Comment
  RSA516898  Rafinesquia neomexicana Steve Boyd, Orlando Mistretta 1986-3-13 1417 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA620636  Rafinesquia neomexicana B. Pitzer, O. Clarke, S. Reed, G. Ruiz 1998-3-7 3582 Riverside San Bernardino Mountains: Wildlands Conservancy's Mission Creek Preserve. 762 Comment
  RSA726571  Rafinesquia neomexicana Naomi Fraga, Lisa Rojas 2005-2-10 1409 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 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
  CAS-BOT-BC378493  Ranunculus californicus var. californicus Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto 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
  SEINET270114  Ranunculus hebecarpus Steve Boyd, Tim Ross; Orlando Mistretta 1992-3-31 6759 Riverside San Mateo Canyon Wilderness Area ; Santa ana Mountains Tenaja trail from junction with Morgan Trail south to Pigeon Spring area 67 Comment
  CLARK-A1528-362  Raphanus sativus John C. Roos, Lucille Roos 1951-10-24 5342 Riverside Pedley 243 Comment
  UC592847  Rhamnus crocea B. D. Stark 1933-2-19 Riverside 2.5 mi e Nuevo 457 Comment
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Jan 2 2015
  POM96257  Rhamnus crocea E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  LA207815  Rhamnus ilicifolia P. C. Everett; 1935-6-18 7207 Riverside Santa Ana Mountains, Coldwater Canyon Trail, 1.5 mi. N (below) main divide Motorway 1280 Comment
  RSA335025  Rhamnus ilicifolia Steve Boyd 1985-8-7 1111 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  RSA586043  Rhamnus ilicifolia D. L. Banks, S. D. Boyd 1995-3-16 96 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, Arroyo Seco drainage. 537 Comment
  RSA628256  Rhamnus ilicifolia B. Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns: San Bernardino National Forest, Catus Spring Trail, where trail crosses Horsethief Creek. 1341 Comment
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Mar 1 2014
  POM15198  Rhamnus tomentella subsp. cuspidata Mary F. Spencer 1922-6-24 1166 Riverside Tahquitz trail prope [near] Idyllwild. 1585 Comment
  CAS-BOT-BC168116  Rhus aromatica P. C. Everett 1935-6-18 7181 Riverside Santa Ana Mts., main divide highway to Santiago Pk., 1 mi. from Ortega Highway 731 Comment
  RSA121771  Rhus ovata A. Lewis 1934-05 440 Riverside 1 mile E. of Ortega Hwy. 945 Comment
  RSA248050  Rhus ovata R. F. Thorne, C. W. Tilforth 1973-5-30 43575 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
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Jul 19 2015
  RSA650226  Rhus ovata Carol Zuck 1981-2-16 42 Riverside On I-74, 17.5 miles southeast of Santa Rosa Rd. overlooking Elsinore. Comment
  RSA586155  Ribes amarum D. L. Banks, Steve D. Boyd 1995-3-30 120 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 707 Comment
  CAS-BOT-BC108722  Ribes cereum H. M. Hall 1901-7-1 2353 Riverside San Jacinto Mountains. Tauquitz Valley. 2438 Comment
  SD135247  Ribes cereum var. cereum Craig Reiser, Dylan Hannon 1993-5-30 Riverside Santa Rosa Peak towards saddle with Toro Peak Comment
  RSA543129  Ribes indecorum Steve Boyd, C. Boyd, K. A. Boyd 1991-3-16 5469 Riverside Cahuilla Mountain between Anza and Hemet, SW of Bautista Cyn. 1067 Comment
  UCR77722  Ribes indecorum Steve Boyd 1991-3-17 5486 Riverside Jurupa Hills, north of Glen Avon. S flank, just west of Soto St to summit east of Pyrite Cyn. Comment
  RSA3114  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2643 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  SD73422  Ribes nevadense Russell S. Woglum 1937-5-22 580 Riverside Santa Rosa Mountains. Comment
  RSA50328  Ribes roezlii E. K. Balls 1949-5-4 1348 Riverside 0.5 mile south of Vista Grande Ranger Station, San Jacinto Mts. 1494 Comment
  UC974961  Ribes roezlii P. A. Munz and I. M. Johnston 1922-5-19 5395 Riverside Keen Camp San Jacinto Mts. 1463 Comment
  UCSB7023  Ribes speciosum Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon; Santa Ana Mt. Range 365 Comment
  LA37948  Rubus parviflorus Carl Epling; 1938-8-14 sn Riverside San Jacinto Mountains, N fork, San Jacinto River Comment
  SD137661  Rumex californicus Darin L. Banks 1995-5-3 204 Riverside Cleveland National Forest, N. slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco 500 Comment
  RSA221061  Rumex crispus E. W. Lathrop 1966-5-8 6412 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SEINET3245820  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37695 Riverside Peninsular Range; foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1.2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 363 Comment
  RSA596112  Rumex salicifolius var. salicifolius D. L. Banks 1996-11-7 1201 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, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  OBI38317  Rumex violascens Oscar F. Clarke 1985-5-13 s.n. Riverside San Jacinto River valley, gun club ponds E of David Rd a short distance N of Lakeview, E of the Bernasconi Hills 427 Comment
  CAS-BOT-BC129748  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-13 335 Riverside Andreas Canyon, E slope San Jacinto Mts. 304 Comment
  CAS-BOT-BC103892  Salix exigua Steve Boyd; Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  CAS-BOT-BC103893  Salix exigua Scott D. White 1996-4-14 3927 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 550 Comment
  CAS-BOT-BC103901  Salix exigua F. R. Fosberg 1932-3-13 8083 Riverside Thousand Palms Can., Coachella Valley Comment
  UCR138728  Salix exigua Julie A. Greene 1993-4-3 1088 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Raised wet area west of dirt road. 445 Comment
  JOTR36421  Salix exigua var. hindsiana La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3367 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  SDSU13350  Salix exigua var. hindsiana Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 29 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the canyon, near the pipe line crossing. 239 Comment
  CAS-BOT-BC108114  Salix gooddingii Ivan Johnston 1917-4-4 1056 Riverside Palm Canyon - Colorado Desert 457 Comment
  RSA509527  Salix gooddingii Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  RSA715051  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  SD1038  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside overflow land back of Colorado River, about 800 m from state inspection station, on way to Blyth Bridge 89 Comment
  RSA500093  Salix laevigata Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3217 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  RSA593974  Salix laevigata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 959 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  SDSU12974  Salix laevigata Michael G. Simpson 1999-10-27 2043 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UC914202  Salix laevigata Charles B. Fiker 1946-4 3354 Riverside road dip s. of Temecula bridge (on Hwy. 395, at upper end of sand pit next to fence) Comment
  UCR17463  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-4-24 392 Riverside Santa Rosa Mtns, Deep Canyon, N slope of mountains 1317 Comment
  UCR90952  Salix laevigata Scott D. White 1996-3-16 3827 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  SD229282  Salix lasiolepis Dick Schwenkmeyer 2012-3-26 674 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx Ao mile north of Highway 74, just east of Morris Ranch Road. 1356 Comment
  SEINET998782  Salix lasiolepis T. B. Salvato 2004-1 594 Riverside San Bernardino Mts.: head of Banning (San Gorginio River) Canyon San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. (Forest Falls 7.5 Q) 1402 Comment
  CAS-BOT-BC128449  Salix lasiolepis var. lasiolepis W. H. Brewer 1861-1-1 154 Riverside In canyon near hannigan's Temiscal Range Comment
  SBBG57819  Salix lucida subsp. lasiandra Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  CAS-BOT-BC126317  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 605 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  CDA3180  Salsola australis R. E. Riefner Jr. 2007-2-19 Jul- 72 Riverside City of Perris, along Highway 74 at 4th Street and B Street. Comment
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Nov 27 2013
  JEPS59872  Salsola tragus Marjorie D. Clary 1932-10-2 1581 Riverside 6 mi. w. Indio (Point Happy); Whitewater Wash, Point Happy Comment
  POM12755  Salsola tragus P. A. Munz 1922-7-3 5947 Riverside Vandeventer Flat 1372 Comment
  SDSU13042  Salsola tragus James C. Dice, J. Dewald 1987-9-28 730 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  JOTR29605  Saltugilia latimeri Andre, Jim 2006-4-26 6762 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UC219088  Saltugilia splendens subsp. splendens P. A. Munz 1922-7-6 6015 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  RSA613860  Salvia apiana Scott D. White, Julie Greene 1997-3-12 4779 Riverside Sun City: near I-215 Freeway, S of Perris and N of Menifee. Low hills E of Bavaria Dr. 488 Comment
  UCR107740  Salvia apiana D. L. Banks 1997-5-5 1967 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR234759  Salvia apiana A. C. Sanders, John F. Green 2012-6-25 40314 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  UCR268587  Salvia apiana Jim Andre 2012-6-15 30543 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  JEPS62549  Salvia carduacea W. L. Jepson 1901-5-17 1252 Riverside San Jacinto 487 Comment
  POM305596  Salvia columbariae Henry J. Ramsey, Henry J. Ramsey 1937-3-2 886 Riverside Indio. Comment
  RSA776281  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 883 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCLA70055  Salvia columbariae O. A. Plunkett 1926-2-22 Riverside Morongo Pass; Colorado Desert 609 Comment
  UCR102870  Salvia columbariae A. C. Sanders 1997-3-26 20122 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  UCR174625  Salvia columbariae Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 107 Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCLA69704  Salvia eremostachya K. Watkins and E. McClintock 1937-4-10 Riverside near road to Shumway (Palms to Pines highway) Comment
  SBBG71102  Salvia greatae E. C. Jaeger 1926-2-20 Riverside Salt Crk Wash above Dos Palmos Comment
  SDSU13635  Salvia mellifera W. Miller, C. Mosse 1972-7-20 Riverside By olive trees 100 yards from fork. Comment
  UCR108394  Salvia mellifera D. L. Banks, V. W. Steinmann 1997-3-13 1465 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  RSA718575  Salvia vaseyi Michael Honer, L. Hulse 2004-4-3 1894 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  SD185178  Sambucus nigra subsp. caerulea T. B. Salvato, Kent Beaman 2005-5-16 769 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA 74. 548 Comment
  SEINET3083226 Image available Sambucus nigra subsp. canadensis Marc Mittleman 1982-5-25 Riverside Gentry Exp. Farm, Los Alamos Rd. Murietta 366 Comment
  UCR199643  Sanicula arguta Scott D. White, Justin M. Wood 2008-4-3 11793 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  SEINET3245731  Sanicula bipinnatifida John F. Green 2010-1 Riverside Peninusular Range: Perris-Aguanga Basin Region: Menifee area c. 5.5 miles NE of Murrieta, powerline route c. 500 ft. south of 90 deg. bend in Briggs Rd (Murrieta 7.5') 427 Comment
  POM306143  Sarcodes sanguinea Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1334 Riverside Santa Rosa Mountains. Comment
  RSA0035179  Sarcostemma M. Bourell 1988-3-28 3511 Riverside Box Canyon, BLM California Conservation Area. E of Mecca on Hwy 195. 150 Comment
  VVC691  Sarcostemma cynanchoides P. J. MacKay, T. Thomas 1997-2-8 105 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  JOTR32907  Sarcostemma hirtellum Andre, Jim, Tasha La Doux 2009-3-10 11250 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
  RSA795947  Schismus barbatus Duncan S. Bell 2009-4-19 270 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SBBG18233  Schismus barbatus M. A. Piehl 1963-6-1 63526 Riverside E edge of Banning Comment
  UCR162279  Schismus barbatus 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
  UCR26340  Schismus barbatus John C. Roos 1947-2-15 3242 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  RSA289839  Schoenoplectus americanus B. A. Prigge 1980-9-17 4075 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  UCR90279  Schoenoplectus americanus Scott D. White 1995-7-7 3449 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  CSUSB1016  Scirpus robustus Emily E. McGregor 1972-4-15 Riverside Santa Ana River Santa Ana River bottom, off Freemont Drive. Comment
  UCR262271  Scrophularia californica A. C. Sanders 2006-5-13 32291 Riverside Peninsular Range, 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
  POM13803  Scrophularia californica subsp. floribunda Philip A. Munz 1922-4-30 5126 Riverside Hemet Butte Comment
  RSA425201  Scrophularia californica subsp. floribunda Bonnie C. Templeton, I. W. Clokey 1930-4-15 1480 Riverside North of Gavilan Peak. 550 Comment
  CAS-BOT-BC341106  Scutellaria mexicana Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon Comment
  SBBG25230  Scutellaria mexicana Leota Davidson 1965-5-13 158 Riverside Joshua Tree Nat Monument Comment
  SD129505  Scutellaria mexicana A. C. Sanders 1989-9-19 9502 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  POM48922  Scutellaria siphocampyloides P. A. Munz, I. M. Johnston 1924-7-26 8717 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  UC884052  Scutellaria siphocampyloides P. A. Munz 1922-6-23 5764 Riverside Keen Camp; San Jacinto Mountains, Keen Camp 1524 Comment
  RSA697611  Securinega fasciculata var. hallii J. R. Bruff 1928-5-2 168 Riverside Cottonwood Springs. Comment
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Oct 9 2010
  RSA206254  Sedum niveum Reid V. Moran 1968-8-3 15346 Riverside 1 mile NW of Toro Peak. 2250 Comment
  POM47174  Selaginella bigelovii Mary F. Spencer 1920-4-7 1468 Riverside Palm Canyon; Colorado Desert. 244 Comment
  RSA771703  Selaginella bigelovii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4754 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 604 Comment
  CAS-BOT-BC363483  Senecio californicus C. L. Hitchcock 1966-3-16 24187 Riverside Hills about 5 miles n.e. of Aguanga Comment
  POM15177  Senecio californicus Mary F. Spencer 1922-4-23 291 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  SEINET6659394  Senecio californicus Steve Boyd, Dave Bramlet 1990-4-29 4495 Riverside Lake Skinner County Park, SE base of Bachelor Mtn.; 0 Comment
  JOTR36096  Senecio flaccidus var. douglasii La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3374 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  JOTR37489  Senecio flaccidus var. monoensis Hodges, Stephen R. 2016-5-1 618 Riverside Joshua Tree National Park. Cottonwood Mountains, south of the springs area Comment
  JOTR35342  Senecio mohavensis Harding, Mitzi, Mark Wheeler 2012-2-28 108 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  UCD108465  Senegalia greggii R. Tofsrud 1950-4-1 s.n. Riverside 15 miles N of Blythe, Hwy. 95. Comment
  SEINET12323754  Senegalia greggii M. T. Doutt 1931-1 772 Riverside Chino Canyon, Palm Springs Comment
  RSA695427  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  SDSU14022  Senna artemisioides Michael G. Simpson 2000-4-30 2082 Riverside Along dirt road, directly east of Southside field station (Henderson House), Santa Margarita Ecological Reserve (SDSU). 122 Comment
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Oct 5 2011
  SD181741  Sesuvium verrucosum Scott D. White 2001-5-1 8440 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 441 Comment
  SD234777  Sesuvium verrucosum R. E. Jr. Riefner 2005-8-28 05 648 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  UCR266904  Sesuvium verrucosum D. E. Bramlet 2005-7-13 3902 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  SEINET10608388  Setaria parviflora Steve Boyd 1989-7-9 Boyd 3773 Riverside Weeds in vegetable garden of house at 4863 Rubidoux Ave. Comment
  UC1100455  Setaria verticillata Malcolm A. Nobs and S. Galen Smith 1948-9-3 492 Riverside 2 mi. n. Indio; Imperial Valley Comment
  UCR30540  Setaria verticillata John C. Roos 1952-5-14 5660 Riverside San Bernardino Valley, Riverside, corner of Iowa Avenue and 8th Street 305 Comment
  UCR227596  Sidalcea malviflora Duncan S. Bell, Joy England 2010-5-20 1023 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.75 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1361 Comment
  RSA768656  Sidalcea malviflora subsp. sparsifolia Justin M. Wood 2010-3-19 1429 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  SD204939  Sidotheca trilobata R. F. Thorne, W. Wisura and Dave Michener 1982-5-24 55191 Riverside Santa Ana Mountains region; Cleveland National Forest, along Main Divide Truck Road. 915 Comment
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Oct 27 2011
  UC55875  Silene antirrhina H. M. Hall April 1902 2966 Riverside vicinity Riverside; vicinity of Riverside 457 Comment
  UCR213891  Silene laciniata Scott D. White, Justin M. Wood 2009-5-22 12917 Riverside San Jacinto Mountains, Old Control Road, above Halfway Spring 1463 Comment
  RSA421793  Simmondsia chinensis L. E. Hoffman 1932-10-26 17235 Riverside Pinon Flats, San Jacinto Mtns. Comment
  RSA76937  Simmondsia chinensis F. W. Peirson 1920-12-29 8415 Riverside Point of Rocks, 1.5 miles east of Whitewater Station, head of Coachella Valley 335 Comment
  UC1130463  Simmondsia chinensis H. S. Yates 1937-3-24 6458 Riverside Deep Canyon; Thermal Quadrangle, Deep Canyon Comment
  UCR147747  Simmondsia chinensis Steve Boyd, Et al. 2004-5-14 11270 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UC857598  Sisymbrium altissimum I. W. Clokey 1935-4-18 6645 Riverside Gavilan Flat 600 Comment
  UCR20865  Sisymbrium altissimum Steve Boyd 1980-5-14 s.n. Riverside Perris Basin, Motte Reserve, in the rocky hills 2.5 mi NW of Perris 518 Comment