Search Results — 2000 specimen records retrieved (1881 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CSUSB1083  Abronia villosa Heather Hanson 1966-5-12 s.n. Riverside found in field 50 yards south of roadside. Highway 74 from Hemet to Idyllwild. 609 Comment
  RSA715177  Abronia villosa John Green 2005-3-3 s.n. Riverside Sonoran (Colorado) Desert: Salton Basin, E of Salton Sea, ca. 4 mi N of Niland; between siphons 10 and 11. [maps in Imperial County, but is near the Riverside Co. line] 15 Comment
  SBBG1867  Abronia villosa H. and M. Dearing 1939-12-31 4047 Riverside 5 mi N of Palm Springs Comment
  RSA0046826  Abronia villosa Tamara Joy Hanna 1991-5-4 15 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  POM6704  Abronia villosa var. aurita P. A. Munz, L. T. Street, G. Williams 1919-3-26 2336 Riverside Palm Canyon 213 Comment
Read comments
Apr 23 2011
  RSA787701  Abronia villosa var. aurita Duncan S. Bell 2012-4-5 3313 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. In the vicinity of the Desert Lily Sanctuary. 160 Comment
  RSA788728  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3151 Riverside Southern section of the Mecca Hills, approximately 2 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 68 Comment
  UC537225  Abronia villosa var. aurita M. E. Jones 1934-5-9 Riverside Corona Comment
  UCR177704  Abronia villosa var. aurita Michael Wall 1996-5-13 133 Riverside Peninsular Ranges; Perris-Aguanga Basin region, [east edge of San Jacinto] 'Hemet,' Ramona Expressway/Mountain Ave., south of State St. on west side of road at 7th St. 457 Comment
  JEPS64739  Acacia greggii Marjorie Clary 1929-5-17 10 Riverside San Jacinto Mountains, Palm Springs Palm Springs; San Jacinto Mountains, Palm Springs Comment
  RSA1218  Acamptopappus sphaerocephalus var. sphaerocephalus B. D. Stark 1930-4-1 1491 Riverside Devils garden. Comment
  UC729975  Achnatherum coronatum Carl B. Wolf 1932-5-25 3694 Riverside 1/4 mi se of summit Moreno Grade (sw of Beaumont); Bad Lands 670 Comment
  CAS-BOT-BC260436  Achnatherum hymenoides H. M. Hall 1899-5-24 1163 Riverside San Jacinto Mountains. Van DeVenders 1371 Comment
  POM365984  Achnatherum hymenoides Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SBBG57047  Achnatherum occidentale subsp. occidentale R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  CAS-BOT-BC30408  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon, flats at SE end of Alberhill Mountain Comment
  RSA515306  Achyrachaena mollis Jeri Hirshberg 1989-4-11 s.n. Riverside S of Town of Murrieta, SW of Mesa del Burro. 610 Comment
  RSA562453  Achyrachaena mollis Steve Boyd, T. S. Ross 1992-5-5 7236 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  CDA23996  Achyronychia cooperi G. D. Barbe 1984-2-7 4132 Riverside 2 miles northeast of Desert Center, 0.2 mile north of Oasis Road. 0 Comment
  RSA423488  Achyronychia cooperi P. A. Munz 1932-3-14 11999 Riverside Palm Springs. 91 Comment
  RSA479851  Achyronychia cooperi L. F. La Pre 1988-4-1 s.n. Riverside Colorado Desert, Palo Verde Mesa, W of Blythe. South of Hwy 1-10 at the W end of 16th St. (approx sec. 4) 99 Comment
Read comments
Dec 14 2007
  UCR244431  Acmispon rigidus Jim Andre 2012-4-16 20964 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  SD133087  Acmispon strigosus Scott White 1991-5-10 91 144 Riverside Hwy 79 immediately west of US Forest Service Campground at Dripping Springs; Vail USGS quad. 548 Comment
  SDSU18659  Acmispon strigosus C. Matt Guilliams, Jeannine Ross 2008-3-5 497 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  RSA192322  Acourtia microcephala H. A. Zuill 1966-6-21 234 Riverside 1 mile SW of Murrieta near Cole Canyon. Comment
  RSA734491  Acourtia microcephala M. Wall 2008-7-4 484 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  UC1979597  Acourtia microcephala D. L. Banks, Victor Steinmann 1995-7-10 0747 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. Comment
  RSA721885  Adenophyllum porophylloides J. Mark Porter, Orlando Mistretta 2003-6-5 13619 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  UCSB37399  Adenophyllum porophylloides Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns.; Corn Springs Campground 457 Comment
  UC1929910  Adenostoma fasciculatum Scott D. White 2004-4-26 10244 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  LA207890  Adenostoma sparsifolium Elizabeth McClintock; 1936-7-29 sn Riverside Pines to Palms Hwy Comment
  UC12018  Adenostoma sparsifolium H. M. Hall Aug. 1901 2638 Riverside vicinity of Chalk Hill; San Jacinto Mts. 1402 Comment
  UCR45940  Ageratina adenophora Barbara J. Fuchs 1968-5-12 70 Riverside Peninsular Range; Santa Ana Mtns., Hwy 74, 15 mi west of Lake Elsinore, Cleveland National Forest 610 Comment
  UCR178143  Agoseris retrorsa T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 134 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  POM259164  Agrostis exarata P. A. Munz 1938-8-14 153349 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  POM14447  Agrostis idahoensis P. A. Munz 1922-7-6 6013 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR24966  Agrostis scabra A. C. Sanders 1980-8-21 1780 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  OBI39187  Alhagi pseudalhagi Dell O. Clark 1969-7-2 s.n. Riverside 2 mi W of Mecca, Coachella Valley Comment
  RSA430546  Allenrolfea occidentalis T. Glenn 1984-10-15 s.n. Riverside Whitewater River delta at north end of Salton Sea Comment
  RSA776248  Allionia incarnata Duncan S. Bell 2010-3-20 633 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SEINET3092215 Image available Allionia incarnata Barbara Gayle Pitzer 1998-2-1 3437 Riverside Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed. 427 Comment
  UCR42489  Allionia incarnata P. J. Leary 1974-10-26 516 Riverside Mojave Desert, N of Mary Peak, Hexie Mountains, Joshua Tree National Monument [now Park] 610 Comment
  RSA643670  Allium fimbriatum A. C. Sanders 1995-4-13 16487 Riverside San Bernardino Mountains/ Colorado Desert: Devil s Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. & dirt extension, 1.7 mile above Sierra Blv. 701 Comment
  RSA70224  Allium haematochiton F. W. Peirson 1919-4-14 1652 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  SBBG133862  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 Riverside S side of Alberhill Mtn in vicinity of Durant Siding and Terra Cotta, near Nichols Rd and extension toward Lake St 390 Comment
  CAS-BOT-BC132014  Allium munzii Steve Boyd 1986-4-22 1778 Riverside Gavilan Hills: E edge of plateau remnant of ridge E of Estelle Mt., S of Dawson Canyon 670 Comment
  CAS-BOT-BC132015  Allium munzii Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road 396 Comment
  CDA2749  Allium neapolitanum Joyce Davis 1962-3-27 Riverside 3957 6th Street, Riverside. 0 Comment
  RSA85583  Allium praecox J. C. Roos 1952-4-2 5468 Riverside Box Springs grade east of Riverside. 427 Comment
  UCR110996B  Allophyllum glutinosum George K. Helmkamp 1998-6-27 4102 A 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
  LA106011  Alnus rhombifolia A. C. Sanders; E. J. Lawlor 1988-10-22 8726 Riverside Santa Rosa Mountains, Pinyon Flats area, along Horsethief Creek where the trail from the Dolomite Mine crosses 1100.0 Comment
Read comments
Mar 31 2014
  UC847417  Alnus rhombifolia Ivan Johnston Apr 4 1917-Apr 6 1917 1103 Riverside Andreas Canyon Colorado Desert 274 Comment
  RSA0120471  Amaranthus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 s.n. Riverside Santa Rosa Mountains; east side of the range; between Toro Canyon and Martinez Canyon; on Van Buren Street in the community of 100 Palms or Valerie, in an agricultural field between 66th and 67th Streets. -16 Comment
  RSA644209  Amaranthus fimbriatus V. W. Steinmann 1999-10-26 1419 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  UCR281910  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2017-9-21 43352 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  POM361077  Ambrosia X platyspina Anstruther Davidson 1895-04 2008 Riverside Palm Springs; Colorado Desert. Comment
  RSA595915  Ambrosia acanthicarpa Darin L. Banks, Lauren Raz 1996-11-5 1174 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  SBBG61677  Ambrosia dumosa R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  SD218270  Ambrosia dumosa Carol R. Annable 1995-3-10 2261 Riverside 1.6 km south of Lake Cahuilla County Park. Comment
  CLARK-A1528-1541  Ambrosia psilostachya John C. Roos 1937-8-17 1218 Riverside Hemet Comment
  UCR232764  Ambrosia pumila John Dvorak, Ana Hernandez 2011-9-7 020 Riverside Perris/Aguanga Basin, north Alberhill, c. 180 m south of the intersection of Lake Street and Temescal Canyon Road, 110 m east of Lake Street 378 Comment
  CAS-BOT-BC273004  Ambrosia salsola M. McCollum 1976-6-10 2014 Riverside 8 mi SSW of Yucca Valley Comment
  CAS-BOT-BC273005  Ambrosia salsola J. M. No date on label 0018 Riverside HTGR Site, Vidal Junction Comment
  HSC49383  Ambrosia salsola D. L. Goforth 1979-4-11 103 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  HSC87232  Ambrosia salsola Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2132 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  LA203746  Ambrosia salsola Harlan Lewis; 1935-4-6 sn Riverside Palm Springs 121 Comment
  SFV9315  Ambrosia salsola D. H. Hoover 1968-3-23 68 41C Riverside Colorado Desert Mission Creek Road, south of Morongo Valley and north of Whitewater (Palm Springs Inct.). Comment
  JEPS39430  Ambrosia salsola var. salsola W. L. Jepson and W. C. Mathews 1914-5-17 5997 Riverside n of Indio; Colorado Desert, Pinyon Well Comment
  UCD128859  Ambrosia salsola var. salsola D. L. Goforth 1979-4-11 103 Riverside 1km north of the junction of interstate 10 and the south entrance road to Joshual Tree National Monument. 518 Comment
  RSA783163  Amelanchier pallida J. D. Olmsted 1962-5-3 3515 Riverside Intersection of Pines to Palms Hwy and south access road to Thomas Moutain 1387 Comment
  UC12060 Image available Amelanchier utahensis H. M. Hall Aug 1901 2422 Riverside vicinity Strawberry; San Jacinto Mountains 1524 Comment
  UCR85580  Ammannia robusta Julie A. Greene 1993-6-11 1358 Riverside San Jacinto Valley, San Jacinto Wildlife Area [NW of Lakeview] 441 Comment
  UCR275309  Amorpha californica var. californica J. Dansie 2016-5-25 51 Riverside San Bernardino Mtns., Cherry Valley, off Edgar Canyon Road 1215 Comment
  RSA192149  Amorpha fruticosa E. W. Lathrop 1966-5-8 6269 Riverside 5 miles west of Murrieta. Comment
  RSA415300  Amorpha fruticosa Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  RSA768578  Amorpha fruticosa Justin M. Wood 2010-5-19 1847 Riverside Santa Ana River: 0.4 miles downstream of Prado outlet channel. 137 Comment
  UCR162546  Amsinckia John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  POM47130  Amsinckia intermedia Mary F. Spencer 1918-4-12 845 Riverside Palm Springs. 137 Comment
  UCR228885  Amsinckia intermedia A. C. Sanders 2011-4-6 39006 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
  POM96828  Amsinckia intermedia F. M. Reed 1926-5-8 5331 Riverside Near summit of Temescal Canyon highway. Comment
  SBBG119454  Amsinckia menziesii A. C. Sanders 2004-5-12 27859 Riverside Alberhill Mtn, NW foot near Lake St at Alberhill 378 Comment
  SEINET3004994  Amsinckia menziesii G. Rink, M. Baker 2011-4-3 10422 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  RSA0089921  Amsinckia menziesii var. menziesii D. L. Banks, Victor Steinmann 1997-3-13 1417 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  POM13877  Amsonia brevifolia var. tomentosa E. C. Jaeger 1921-4-10 1173 Riverside 1000 Palms Canyon, Colorado Desert of California. 823 Comment
  UC218011  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4843 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  UC667382  Amsonia tomentosa Annie M. Alexander and Louise Kellogg 1941-4-29 2102 Riverside 10 mi. s. 29 Palms; Joshua Tree Nat'l Monument 1158 Comment
  UCR89532  Amsonia tomentosa Bern Schwenn 1994-4-29 s.n. Riverside Little San Bernardino Mtns., Joshua Tree National Monument [now J.T. National Park], flat between Ryan Campground and Ryan Ranch. 1345 Comment
  RSA543603  Ancistrocarphus filagineus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6135 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  UCR260563  Ancistrocarphus filagineus T. B. Salvato 2015-4-2 8107 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  RSA192108  Anemopsis californica E. W. Lathrop 1965-5-27 5204 Riverside 6 miles west of Murrieta. Comment
  SEINET3074906 Image available Anemopsis californica Margaret Ferro 1970-5-16 18 Riverside Santa Ana River bottom by Jurupa Golf Course. 370 Comment
  POM122258  Angelica tomentosa Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA416653  Anisocoma acaulis Gale Sphon 1955-5-22 s.n. Riverside Montane meadow, Hemet meadow. Comment
  RSA557573  Anthemis cotula Julie Greene 1993-5-12 1294 b Riverside North side of San Jacinto River levee, west of Davis Road. 433 Comment
  RSA773132  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-6-7 1268 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 780 Comment
  UCR20793  Antirrhinum coulterianum A. C. Sanders, Steve Boyd 1980-5-2 1411 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR86988  Antirrhinum coulterianum Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  RSA525434  Antirrhinum kelloggii Steve D. Boyd, David E. Bramlet 1990-4-29 4479 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA496360  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3034 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  RSA711034  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak. 622 Comment
  UC1262266  Apiastrum angustifolium C. W. Tilforth 1978-4-30 1571 Riverside e of Norco Comment
  UCR172249  Apiastrum angustifolium John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR130850  Apium graveolens S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR48499  Apium graveolens Steve Boyd 1986-4-22 1728 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  CDA7121  Arabidopsis thaliana A. C. Sanders 2006-5-1 32248 Riverside South side of UCR campus behind botany greenhouses, Riverside. Comment
  SEINET3507464 Image available Arabis perennans C. F. Shutts 1949-3-19 F 53 Riverside White Tanks, Pinto Mtns. Joshua Calif. Tree Natl. Mon. Comment
  RSA527863  Arabis sparsiflora var. californica Scott D. White 1991-5-10 91 -135 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA629144  Arctostaphylos Jon E. Keeley 1992-7-16 16636 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA629370  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16857 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629463  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16812 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  UCR273484  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42616 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  UCR273496  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42620 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Calle Viento (thin dirt road) south of Avenida Presa, 0.5 km south of Rancho California Rd. 656 Comment
  POM254927  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  UC876570  Arctostaphylos glandulosa subsp. zacaensis I. W. Clokey and E. G. Anderson 1935-4-16 7888 Riverside Hemet 900 Comment
  RSA631824  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16607 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  RSA496736  Arctostaphylos glauca var. glauca Maureen Pendleton 1988-2-1 s.n. Riverside Ca. 2.5 mi. S of Temecula between I-215 and Rainbow Canyon Road. 412 Comment
  RSA633571  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21776 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633610  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22526 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633658  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1994-4-27 25350 Riverside North side of Santa Rosa Mountain. 1900 Comment
  RSA633744  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22524 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA5251  Arctostaphylos patula subsp. platyphylla C. B. Wolf 1932-8-5 3988 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2560 Comment
  JEPS26531  Arctostaphylos pringlei subsp. drupacea Peter Kamb 1947-5-17 516 Riverside Hall Canyon; San Jacinto Mts., Hall Canyon 1645 Comment
  RSA141484  Arctostaphylos pringlei subsp. drupacea H. A. Jensen 1937-11-5 444 Riverside Upper Strawberry Valley, San Bernardino National forest. 1860 Comment
  UCD50808  Arctostaphylos pringlei var. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, one and one-half miles from Idyllwild on road to Banning; San Jacinto Mts. 1706 Comment
  CAS-BOT-BC46342  Arctostaphylos pungens Munz; Johnston 1922-5-20 5491 Riverside Head of Hemet Valley, San Jacinto Mts. 1524 Comment
  SBBG34995  Arctostaphylos pungens T. L. Secrest 1951-5-19 Riverside Idyllwild to Hemet Lake Comment
  UCR95955  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA636024  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18794 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  SD137789  Arctostaphylos rainbowensis Darin L. Banks, Steve Boyd 1995-3-15 76 Riverside Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. Area 730 Comment
  SD148178  Arctostaphylos rainbowensis A. C. Sanders, Kent Beaman 2002-5-10 25056 Riverside Santa Rosa Plateau; hills west of the head of De Luz Creek, 0.4 mile south of Tenaja Road on west side of Calle Roble near Avenida Matorral. 671 Comment
  SD180720  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 402 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  SEINET269561  Argemone munita Scott D. White 1996-5-27 4074 Riverside Jackrabbit Canyon: east of Moreno Valley and south of Calimesa between State highway 60 and gilman Spring Road West and 518 Comment
  CAS-BOT-BC401651  Argemone munita subsp. argentea Aven Nelson; Ruth Nelson 1939-3-30 3341 Riverside Hiway 60, near Desert Center Comment
  RSA105974  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 -a Riverside 9.7 mi., s.e. of Idyllwild, Hemet Valley road; 1372 Comment
  CAS-BOT-BC137660  Aristida adscensionis G. Helmkamp; E. Helmkamp 1998-1-17 2536 Riverside Box Canyon northeast of Mecca and 3.5 miles south of Shaver's Well. 243 Comment
  JOTR35289  Aristida adscensionis Andre, Jim 2012-4-11 20782 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  CLARK-A1528-4471  Aristida hamulosa John C. Roos 1941-8-2 82 Riverside San Jacinto River 761 Comment
  RSA0041962  Aristida purpurea Duncan S. Bell, Loraine Washburn 2014-4-8 6584 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  RSA720441  Aristida purpurea Naomi Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1704 Riverside Along FS road west and paralleling Morris Ranch Road. Ca. 0.2 miles southwest of the FS roads junction with Morris Ranch Road. North east of Garner Valley. 1616 Comment
  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
  RSA6104  Aristida purpurea var. nealleyi C. B. Wolf 1932-5-24 3640 Riverside Snow Creek, 0.5 mile below the Fish Hatchery, north base of San Jacinto Mountians. 549 Comment
  UCD56548  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside head of Deep Canyon. 1219 Comment
  UCR19699  Aristida purpurea var. parishii John C. Roos 1965-6-13 s.n. Riverside San Jacinto Mtns., west base of the mountains near San Jacinto River, near Hwy 74 Comment
  CAS-BOT-BC137513  Aristida purpurea var. purpurea J. C. Roos 1966-4-29 s.n. Riverside Between March AFB and Lakeview. Comment
  UCR95423  Aristida ternipes var. gentilis D. L. Banks, Dylan Hannon 1996-5-3 0984 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 300 m east of the Dripping Springs Guard Station 488 Comment
  RSA795117  Artemisia californica A. C. Sanders 2010-11-18 38692 Riverside Eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg.) of El Cerrito, 1 mi. SSE (143 deg.) of Home Gardens, just east of large rock quarry. 399 Comment
  UC1119314  Artemisia californica C. Van Fleet 1931-1-22 5 Riverside Wilson Creek San Jacinto Quadrangle, Wilson Creek Comment
  UCR141235  Artemisia californica A. C. Sanders, Mike Misenhelter 2004-10-6 28831 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  UCR166709  Artemisia californica Scott D. White 2005-7-6 11155 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  UCR48494  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA588818  Artemisia dracunculus Darin L. Banks, Steve Boyd 1995-10-17 0771 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCD129327  Artemisia ludoviciana subsp. albula E. K. Balls; P. C. Everett 1957-11-4 22747 Riverside Snow Creek, about old Fish Hatchery, north base of San Jacinto Mountains. 701 Comment
  RSA741735  Artemisia ludoviciana subsp. ludoviciana Michael Wall 2008-10-3 490 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  SD229066  Artemisia tridentata Dick Schwenkmeyer 2012-3-26 661 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  JEPS6273  Asclepias eriocarpa Carl V. Meyer 1928-7-1 618 Riverside Saunders Meadow; San Jacinto Mountains 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
  UCR37250  Asclepias fascicularis R. A. Fawcett 1937-8-1 s.n. Riverside Peninsular Range, Cajalco to Perris road Comment
  RSA0061163  Asphodelus fistulosus Robt. Allen 2009-4-3 s.n. Riverside Santa Ana Mountains region: Near community of El Cariso. Along South Main Divide Road, 515 air meters(0.32 air miles) southeast of junction with Ortega Hwy (SR74). 843 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
  LA202862  Asplenium vespertinum Lawrence L. Kiefer; 1965-5-1 1530 Riverside Bluff above Temecula Creek, ca. 2 mi. SW of Radec 518 Comment
  RSA0011738  Asplenium vespertinum Steve Boyd, Aydee Virgen 2004-4-13 10896 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  CAS-BOT-BC177468  Astragalus aridus Ira L. Wiggins 1938-3-19 8901 A Riverside Colorado Desert 25 miles west of Blythe Comment
  UCR166013  Astragalus aridus Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  CAS-BOT-BC178634  Astragalus coccineus Edmund C. Jaeger 1921-4-2 s.n. Riverside Upper reaches of Deep Creek, Santa Rosa Mts. 1371 Comment
  CAS-BOT-BC178635  Astragalus coccineus Jay B. Walker 1995-5-4 1414 Riverside San Bernardino National Forest, Hwy 74, 3 km E of jct. w/Santa Rosa Mtn. Rd. 1400 Comment
  SBBG68214  Astragalus douglasii R. Hoffmann 1929-9-7 Riverside Strawberry Valley Comment
  UCR155056  Astragalus douglasii Jason L. Hlebakos 2005-5-30 816 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  CAS-BOT-BC178422  Astragalus douglasii var. parishii Geo. B. Grant 1902-8-1 4446 Riverside Strawberry Valley, S. Cal. Comment
  CAS-BOT-BC178444  Astragalus douglasii var. parishii P. A. Munz 1922-6-29 5895 Riverside Santa Rosa, Santa Rosa Mts. 2011 Comment
  CAS-BOT-BC178445  Astragalus douglasii var. parishii P. A. Munz 1922-4-29 5114 Riverside Aguanga Comment
  RSA171359  Astragalus douglasii var. parishii J. D. Olmsted 1962-5-3 3516 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  CAS-BOT-BC257175  Astragalus gambelianus Duncan S. Bell; Joy England 2010-5-17 1007 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15 1045 Comment
  SBBG92276  Astragalus gambelianus J. Hirshberg 1989-4-3 Riverside Santa Rosa Plateau, S of town of Murrieta, W of Mesa de Burro 609 Comment
  RSA781246  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37392 Riverside 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 134 Comment
  UC1547005  Astragalus insularis var. harwoodii Leila M. Shultz, John S. Shultz 1985-4-15 8391 Riverside at Wiley's Well Road between McCoy and Mule Mountains (Chuckawalla Valley depression); , bet McCoy and Mule Mountains 121 Comment
  UCR25291  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  JOTR33873  Astragalus lentiginosus var. variabilis La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3055 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy fans leading to Pinto Wash 357 Comment
  UCR162810  Astragalus lentiginosus var. variabilis James C. Dice, Kim A. Nicol 1998-3-24 980324 -2 Riverside NW Colorado Desert, 5.1 miles (8.2 km) N of Desert Center, along State Hwy 177 168 Comment
  CAS-BOT-BC187487  Astragalus leucolobus Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  UCR189576  Astragalus pachypus var. jaegeri Carlos Navarro 2006-5-30 069 Riverside South San Jacinto Mountains, Rouse Ridge, c. 2.5 mi. south of Highway 74, c. 6 mi east of Baldy Mountain 1053 Comment
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Aug 25 2010
  HSC86858  Astragalus palmeri K. Harper 1988-5-14 Riverside Hwy. 74 between Alpine Village and the Vista Point at Seven Level Hill. Comment
  CAS-BOT-BC194143  Astragalus pomonensis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula 365 Comment
  JEPS54801  Astragalus pomonensis W. L. Jepson 1914-5-23 6085 Riverside Conchilla Desert , Conchilla Desert (Colorado Desert) Comment
  CAS-BOT-BC66100  Athyrium filix-femina var. cyclosorum Louis C. Wheeler 1931-10-3 198 Riverside 1 mi. NW Tahquitz Pk, San Jacinto Mts. 1859 Comment
  RSA482797  Athysanus pusillus Christopher Davidson 1973-4-1 1822 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 427 Comment
  UCR102857  Athysanus pusillus A. C. Sanders 1997-4-3 20160 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR89777  Atriplex argentea 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
  RSA340180  Atriplex canescens R. F. Thorne, W. A. Tilforth 1980-5-28 54186 Riverside San Bernardino Mountains: W-facing slope of Whitewater ridge above old bridge. Comment
  RSA696736  Atriplex canescens J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  SD212554  Atriplex canescens A. C. Sanders, J. Andre, et al. 2005-2-26 29128 Riverside Sonoran Desert; southeast of Highway 177 toward dunes above Palen Dry Lake, southeast end of Coxcomb Mountains. 167 Comment
  SEINET3930599  Atriplex canescens Grant D. Brown 1950-12-2 593 Riverside Santa Ana R. NW. of Arlington.; 0 Comment
  UCR19635  Atriplex canescens K. R. Montgomery 1969-9-7 69 31 Riverside 1.5 mi east of Riverside Co. Hwy 3, on Wilson Valley Road, 18 mi south of Hemet Comment
  RSA773114  Atriplex canescens var. laciniata Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-10-7 673 Riverside Hwy 177. N of Desert Lily Sanctuary. Palen Valley. 274 Comment
  RSA0135548  Atriplex coronata var. notatior David E. Bramlet, Ileene Anderson, Rick Riefner 2005-5-3 3841 Riverside Upper Salt Creek, 3.78 miles southwest of Hemet. 500 ft north of Stetson Ave., and 1,500 ft west of Warren Road; 2,000 ft. east of the MWD canal. 456 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
  CAS-BOT-BC248269  Atriplex glauca R. E. Riefner, Jr. 2002-12-12 02 -521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  RSA727387  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 -a Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA478278  Atriplex lentiformis Jack Rempel 1932-11-11 16115 Riverside Dos Palmos Springs, Colorado Desert Comment
  POM278733  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 582 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  JEPS90677  Atriplex pacifica D. Bramlet 1991-5-8 2132 Riverside 5.8 km w of Hemet (some 330 m sw of intersection of Florida and Warren, some 8 m w of Warren Road, across from Auto Boulevard) 500 Comment
  IRVC26844  Atriplex semibaccata S. D. White 2001-4-13 8322 Riverside Badlands: County landfill area north of Moreno valley; ca. 1/4 air miles NW of SR60 junction with Gilman Springs Road. Southern Coastal 595 Comment
  RSA596677  Atriplex semibaccata D. L. Banks, Lauren Raz 1996-11-5 1182 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  SD122871  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  SD146321  Atriplex suberecta A. C. Sanders, K. C. Rose 1998-5-21 21854 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 mile west of Warren Road. 456 Comment
  SD181603  Atriplex suberecta Scott D. White 2001-7-9 8722 Riverside Menifee, ca. 1 mile southwest of Bell Mountain and I(c) mile east of I-215 Freeway; Romoland [quad]. Barley field and disused cattle pond. Disturbed area around seasonally pooled place. 445 Comment
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Jan 8 2009
  RSA689434  Atriplex suberecta R. E. Riefner 2003-5-27 3 -253 Riverside Perris Valley, Rider Street near Perris Valley Storm Drain. 483 Comment
  UCR23926  Avena barbata John C. Roos, L. Roos 1950-4-15 4738 Riverside Peninsular Range, Box Springs Mtns., Pigeon Pass 457 Comment
  RSA77228  Ayenia compacta F. W. Peirson 1919-4-14 2069 Riverside Murray Canyon, near Palm Springs. Comment
  POM12202  Azolla filiculoides Philip A. Munz 1922-4-29 5095 Riverside Dripping Springs, near Temecula Creek 518 Comment
  CLARK-A1528-1620  Baccharis brachyphylla John C. Roos 1946-9-14 3008 Riverside San Jacinto Mountains 1066 Comment
  RSA463260  Baccharis pilularis L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau, W of Murrieta 610 Comment
  RSA772526  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4432 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD40814  Baccharis salicifolia Carl B. Wolf 1932-10-11 4174 Riverside Little San Bernardino Mountains, Morongo Wash. 669 Comment
  UCD129467  Baccharis salicifolia subsp. salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. e. of Glen Ivy Hot Springs. Comment
  UCR140878  Baccharis sarothroides Chris E. True, Laurel Salzman 2004-8-20 s.n. Riverside San Jacinto Mtns., c. 1 km south of Twin Pines Ranch on USFS Rd 3S08, between Azalea and Twin Pines Creeks 1157 Comment
  CDA10400  Baccharis sergiloides T. C. Fuller 1959-4-8 2472 Riverside Edge of Colorado River, 6 miles south of Ripley. 0 Comment
  JOTR29285  Baccharis sergiloides La Doux, Tasha 2003-9-4 1047 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  POM350456  Baccharis sergiloides L. C. Wheeler 1933-12-1 2292 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  RSA5436  Baccharis sergiloides C. B. Wolf 1932-10-13 4311 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  RSA592691  Baccharis sergiloides Scott D. White, D. Haselfeld 1996-7-2 4274 b Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SBBG7748  Baccharis sergiloides H. and M. Dearing 1940-11-10 5010 Riverside Whitewater Comment
  UC893735  Baccharis sergiloides Carl B. Wolf 1932-10-13 4310 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  UCR41317  Baccharis sergiloides N. M. Fellows 1984-11-12 33 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. 489 Comment
  UCR125437  Bacopa monnieri A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25683 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  UCR26076  Bahia dissecta John C. Roos 1946-8-27 2923 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  RSA1392  Bahiopsis parishii B. D. Stark 1930-4-2 785 Riverside Whitewater Bridge, San Gorgonio Pass 457 Comment
  RSA550041  Bahiopsis parishii Walter Wisura, A. King, L. Newcomb 1992-4-10 4666 Riverside Low Desert: Mission Creek Ranch W of Hwy 62 below Morongo Valley Comment
  SBBG54311  Bahiopsis parishii B. Gustafson 1977-4-7 5576 Riverside Whitewater Cyn Rd exit from Interstate 10, ca. 2.5 mi W of jct Interstate 10 with State 62 near start of Pacific Crest Trail 609 Comment
  SD236178  Baileya multiradiata John F. Green 2006-5-2 Riverside Peninsular Ranges: City of Temecula, Immediately N and S of Murrieta Hot Springs Rd. along San Diego Aqueduct right-of-way 366 Comment
  CAS-BOT-BC99969  Baileya pauciradiata Ira L. Wiggins 1938-3-19 8900 Riverside Colorado Desert 25 mi. W. of Blythe Comment
  POM41586  Baileya pauciradiata Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA48417  Baileya pauciradiata E. K. Balls 1949-4-2 12902 Riverside sand N of Salton on Hwy 111, Colorado Desert -61 Comment
  UCD84488  Baileya pauciradiata Chuck Hughes 2010-6-13 149 Riverside Edge of Rice-Midland Road, about 2.5 miles southwest of Highway 62. 230 Comment
  UCR166014  Baileya pauciradiata Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  HSC101253  Baileya pleniradiata Jim Andre 2012-3-19 21360 Riverside Palen Valley; along Palen Pass Rd. (dirt), 1.2 mi. east of Hwy 177. 184 Comment
  SBBG25795  Baileya pleniradiata E. R. Blakley 1966-4-9 6753 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  UCR275573  Bassia hyssopifolia T. B. Salvato 2005-6-13 605- 8 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  RSA736801  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA0089287  Bergia texana David E. Bramlet 2005-7-13 3898 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
  JOTR33719  Bernardia incana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2566 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 2 mi northeast of Cottonwood Visitor Center 984 Comment
  SEINET12141255  Bernardia myricifolia S. B. Parish, Parish, W. F. 1882-1 752 Riverside Whitewater Comment
  UCR109637  Berula erecta T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Lake Hemet in main feeder stream 1311 Comment
  UCR93062  Bidens frondosa A. C. Sanders, S. Ogg 1994-7-28 15180 Riverside Riverside, Santa Ana River near Hwy 60 243 Comment
  UCR126380  Blennosperma nanum var. nanum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 689 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SDSU11523  Bloomeria crocea H. Wedberg 1962-5-23 937 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita river and Temecula Canyon. 366 Comment
  SBBG72285  Boechera pendulocarpa R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2438 Comment
  CAS-BOT-BC14158  Boechera perennans K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines highway near road to Shumway. Comment
  JOTR33134  Boechera perennans Supernaugh, William 1967-2-26 s.n. Riverside Joshua Tree National Park. Northwest Hexie Mountains; 100 yards west of Stirrup Tank parking lot 1085 Comment
  UCR43369  Boerhavia intermedia R. F. Thorne, R. Dahlgren 1979-4-23 53600 Riverside Mojave and Colorado Deserts, Joshua Tree National Monument, Pinto Basin Road: along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  RSA0020467  Boerhavia wrightii Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6033 Riverside Chuckwalla Mountains; about 0.25 air mile southeast of Corn Spring. 480 Comment
  SEINET3142562  Boerhavia wrightii M. Denslow 2003-9-14 1569 Riverside Colorado Desert; Western Colorado Desert region: Maniobra Valley, Chiraco Summit Road off I-10 . (Hayfield Quad) Comment
  UC577595  Bothriochloa barbinodis A. Lewis Apr 1934 Riverside Tin Mine Canyon 457 Comment
  UCR60926  Bouteloua aristidoides Steve Boyd, Orlando Mistretta 1986-3-13 1421 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  JEPS20782  Bouteloua aristidoides var. aristidoides Roxana S. Ferris and Rimo Bacigalupi 1958-3-19 13239 Riverside Hwy US 95 11.3 mi n Blythe (in wash arising in mountains); Big Maria Mts. Comment
  RSA126996  Bouteloua barbata H. S. Yates 1927-6-28 6732 Riverside Palm Springs. 137 Comment
  CAS-BOT-BC145638  Bouteloua curtipendula var. caespitosa H. M. Hall 1901-6-1 2138 Riverside San Jacinto Mountains. Santa Rosa Mountains. Coyote Canyon. 1524 Comment
  UCR194822  Bowlesia incana Scott D. White 2006-4-27 11299 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  JOTR35010  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  RSA55094  Brandegea bigelovii R. H. Peebles 1930-4-6 121 Riverside Shavers Well. Comment
  RSA778830  Brandegea bigelovii J. Andre 2011-2-9 15894 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  SBBG122883  Brandegea bigelovii S. D. White 2005-4-14 10893 Riverside bajada beneath Mecca Hills, just E of Coachella Canal 24 Comment
  SD247409  Brandegea bigelovii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7311 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road, c. 1.4 km west of its juction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  SEINET3082910 Image available Brandegea bigelovii John Adams 1966-3-12 447 Riverside Hwy 74, 2 mi above Palm Desert. 610 Comment
  UC990933  Brandegea bigelovii D. F. Howe 1952-4-27 Riverside Box Canyon e of Mecca Comment
  UCR21172  Brassica geniculata Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  OBI53693  Brassica tournefortii A. C. Sanders 1988-1-18 7588 Riverside Riverside. W end of the Box Springs Mtn on S facing slope of Sugarloaf Peak. SE ridge from peak 457 Comment
  RSA715192  Brassica tournefortii A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32527 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
  UCD114704  Brassica tournefortii Ira L. Wiggins; Dorothy B. Wiggins 1966-2-22 20462 Riverside Along Highway 60 about 1.5 mi. SE. of Garnet Hill. Comment
  UCR89546  Brassica tournefortii George K. Helmkamp 1994-3-8 41 5 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  RSA5360  Brickellia arguta B. D. Stark 1932-6-17 1530 Riverside Canyons above Cottonwood Springs, Eagle Mts., Colorado Desert 396 Comment
  UC597720  Brickellia atractyloides Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon Santa Rosa Mts. 1066 Comment
  UCR89574  Brickellia desertorum Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino Mtns., Joshua Tree National Monument [now National Park]: Hidden Gold Canyon 1115 Comment
  UCR164914  Brodiaea santarosae Chris E. True, R. Vargas, M. Bornyasz 2003-6-3 s.n. Riverside Peninsular Ranges; Southern Santa Ana Mtns., Santa Rosa Plateau Area, Mesa de Colorado, east of large pool off [Via] Volcano road; CCB-WRC Monitoring site 2619 630 Comment
  UC162210  Bromus arizonicus H. M. Hall May, 1905 5980 Riverside Colorado Desert Comment
  UCR157592  Bromus arizonicus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16221 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  SD247282  Bromus berteroanus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41451 Riverside San Gorgonio Pass: San Gorbonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 433 Comment
  CAS-BOT-BC149306  Bromus carinatus var. carinatus H. M. Hall 1901-6-1 2226 Riverside San Jacinto Mountains. Along water courses in the vicinity of Strawberry Valley. 1615 Comment
  CAS-BOT-BC148744  Bromus carinatus var. marginatus H. M. Hall 1901-6-1 2099 Riverside San Jacinto Mountains. South side. 1524 Comment
  CAS-BOT-BC148745  Bromus carinatus var. marginatus H. M. Hall 1901-7-19 2462 Riverside San Jacinto Mountains. Tanquits Valley. 2133 Comment
  RSA0036798  Bromus diandrus Starr Streight 1982-4-17 25 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Weedy disturbed road margins and field adjacent to Cajalco Rd. Comment
  UCR120907  Bromus diandrus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24919 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA701398  Bromus diandrus Steve Boyd, Aydee Virgen 2004-4-13 10863 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR27004  Bromus grandis E. W. Lathrop 1966-5-29 6395 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR171969  Bromus hordeaceus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  RSA599114  Bromus hordeaceus V. W. Steinmann, D. L. Banks 1996-4-20 836 Riverside Agua Tibia Mountains, ca. 15 km east of Temecula, less than 1 km south of Route 79 at the Dorland Mountain Arts Colony, just southwest of the administration building., ca. 33?28'N, 117?01'W 500 Comment
  SEINET244774 Image available Bromus hordeaceus subsp. molliformis A. C. Sanders, D. Malueg 2002-4-8 24908 Riverside Perris-Aguanga Basin; Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  CLARK-A1528-4546  Bromus mollis John C. Roos, Lucille Roos 1950-4-15 4740 Riverside Pigeon Pass 457 Comment
  POM12135  Bromus rubens Mary F. Spencer 1920-4-5 1547 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA0042639  Bromus rubens Margaret Murphy 1983-4-15 0001 -A Riverside Located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA0065571  Bromus rubens Marion P. Harthill 1971-3-19 12 Riverside Palm Desert. Comment
  RSA595313  Bromus rubens D. L. Banks, Victor Steinmann 1996-4-20 885 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 Comment
  RSA776209  Bromus tectorum Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 879 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  UCD59895  Bromus tectorum Alan A. Beetle 1946-6-10 4400 Riverside San Jacinto Mt., Camp Keene Meadow. Comment
  UCR2252  Bromus tectorum F. M. Reed 1933-5-31 7923 Riverside Santa Rosa Mtns., Santa Rosa Indian Reservation, near the bridge on the Palms to Pines Road [Vandeventer Flats] 823 Comment
  POM14395  Caesalpinia virgata P. A. Munz, D. D. Keck 1922-4-9 4753 Riverside Shavers Well, near Mecca. 76 Comment
  POM8989  Caesalpinia virgata Mary F. Spencer 1920-3-13 1448 Riverside Painted Canyon near Mecca -60 Comment
  RSA167552  Caesalpinia virgata R. F. Thorne, Robert L. Rutherford 1964-4-12 33656 Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
  RSA27032  Caesalpinia virgata C. L. Hitchcock 1940-3-29 5850 Riverside 12 miles east of Indio. Comment
  UCR166540  Caesalpinia virgata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10878 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UC82886  Calandrinia ambigua S. B. and W. F. Parish 1884-4-5 1188 a Riverside Indio Comment
  RSA561786  Calandrinia ciliata Steve Boyd 1992-4-14 6842 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA198960  Callitriche heterophylla subsp. bolanderi R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37421 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  CAS-BOT-BC85769  Calocedrus decurrens Winifern W. Swarth 1914-9-8 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  UC215291  Calocedrus decurrens Geo. B. Grant 1901-8-1 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley Comment
  RSA784190  Calochortus splendens J. D. Olmsted 1959-6-23 666 Riverside M. fk. San Jacinto River. On west bank of pond at Desert Sun School near Idyllwild. 1646 Comment
  UCR120739  Calochortus weedii var. intermedius D. E. Bramlet, Sandy Leatherman 2000-6-7 3062 Riverside Santa Ana Mtns., 762 m north of Tin Mine Canyon and 213 m SW of the intersection of Chase Road and Mangular Avenue in Corona 358 Comment
  CAS-BOT-BC497281  Calochortus weedii var. weedii Scott D. White 1995-6-30 3420 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. confluence 365 Comment
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Dec 10 2018
  RSA68622  Calochortus weedii var. weedii Frank W. Peirson 1920-6-22 2180 Riverside Grade south of Temecula River, going toward Dripping Spring 427 Comment
  RSA786960  Calochortus weedii var. weedii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49545 Riverside Santa Ana Mountains: along Ortega Highway (74), about 2 miles SSW of El Cariso Comment
  UCR274303  Calochortus weedii var. weedii T. B. Salvato, Melissa Clemons 2005-6-6 1423 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  POM122478  Calycadenia tenella Marcus E. Jones 1926-5-31 s.n. Riverside Corona Comment
  JEPS23599  Calycoseris wrightii Mary Beal 1941-4-6 863 Riverside Box Canon Mohave Desert, Box Canon Comment
  JOTR33983  Calyptridium monandrum La Doux, Tasha, M. Harding 2010-4-7 2871 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA0123298  Calyptridium monandrum Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8984 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
  UC851929  Calyptridium monandrum I. W. Clokey 1935-4-18 6616 Riverside Gavilan Mesa 600 Comment
  UCR87653  Calyptridium monandrum A. C. Sanders 1994-5-29 14578 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA0089417  Calyptridium monospermum Michael G. Simpson, Jamie Hall, Michael Silveira, Lori Simpson 2007-6-16 2896 Riverside Little Taquitz Valley, San Jacinto Mountain, along trail, ca. 0.1 mi north of junction with Pacific Coast[Crest] Trail, ca. 0.9 mi northeast of Tahquitz Peak. 2454 Comment
  JEPS48624  Calyptridium parryi var. parryi W. L. Jepson 1935-4-17 19145 Riverside Elsinore, (1 1/2 mi n on burns) Elsinore 457 Comment
  UCR133650  Calystegia macrostegia Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  POM71103  Calystegia macrostegia subsp. intermedia F. W. Peirson 1929-5-4 8333 Riverside In clumps on open land near Lake Elsinore. Comment
  RSA394918  Calystegia macrostegia subsp. tenuifolia N. C. Cooper 1947-4-5 2037 Riverside Los Alamos Canyon, Elsinore. Comment
  SD122189  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Santa Margarita Ecological Reserve; along road to Field Station, ca. 0.4 km eastnortheast of Field Station site. 349 Comment
  RSA0021242  Camissonia arenaria Amber Swanson, Duncan S. Bell 2011-3-20 246 Riverside Canyon Springs area N of the Bradshaw Trail. 340 Comment
  RSA315552  Camissonia bistorta Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55481 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA653423  Camissonia bistorta Scott D. White 1999-5-24 7390 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
  CLARK-A1528-3321  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA0021232  Camissonia brevipes subsp. brevipes Jim Andre 2011-2-9 15929 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  POM3084  Camissonia californica J. S. Clease 1927-4-16 s.n. Riverside Colorado Desert, Palm Springs. Comment
  POM6771  Camissonia californica P. A. Munz 1919-5-7 2739 Riverside Colorado Desert, Tahquitz Canyon 229 Comment
  RSA80993  Camissonia californica G. R. Campbell 1952-4-5 18379 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR133410  Camissonia californica Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 324 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  JOTR31975  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2211 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  CLARK-A1528-5363  Camissonia claviformis John C. Roos 1947-2-15 3267 Riverside Eagle Mountains Comment
  UCR216199  Camissonia claviformis subsp. aurantiaca Jim Andre, T. La Doux 2009-2-28 10838 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 0.8 mi. north of JTNP boundary, c. 3 miles north of Dillon Road 632 Comment
  UCR274854  Camissonia claviformis subsp. aurantiaca Aaron C. Sedgwick, David Fraker 2012-4-24 005 Riverside Sonoran (Colorado) Desert, Palen Valley south of Hwy I-10 on Dupont Road, c. 2 miles northeast of the Chuckwalla Mountains Wilderness Area 183 Comment
  UCR103316  Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2666 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  RSA561018  Camissonia graciliflora Steve Boyd, T. S. Ross 1992-5-4 7192 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  POM158448  Camissonia hirtella P. A. Munz 1927-5-21 10861 Riverside East of Ansa P.O. 1372 Comment
  UCR176187  Camissonia hirtella Amber Bruno 2005-4-14 17 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA449012  Camissonia ignota L. M. Ashley 1943-4-20 20442 Riverside Loma Linda: Hills S of Town. 427 Comment
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Feb 16 2013
  UCR106416  Camissonia intermedia George K. Helmkamp, A. C. Sanders 1997-3-15 1501 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  UCR201508  Camissonia intermedia Scott D. White, Justin M. Wood 2008-6-18 12208 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  RSA449034  Camissonia lewisii Christopher Davidson 1973-4-1 1819 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  POM7067  Camissonia pallida subsp. pallida P. A. Munz, L. T. Street, G. Williams 1919-3-28 2384 Riverside Palm Springs Desert 198 Comment
  SEINET3406125 Image available Camissonia refracta Jim Andre, T. La Doux 2009-2-25 10821 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center. (Sidewindser Well 7.5' Q.) 129 Comment
  RSA454106  Camissonia strigulosa N. C. Cooper 1944-4-23 1102 Riverside Banning. 701 Comment
  UCR120168  Camissonia strigulosa Mitch Provance 1998-3-5 187 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  POM9585  Camissonia strigulosa I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  UCR261170  Camissoniopsis bistorta A. C. Sanders, Katie Young, John Hale 2015-4-22 41605 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  UC69873  Camissoniopsis ignota Mrs. C. M. Wilder 1905-4-20 87 Riverside near Riverside; Jurupa Hills, Wilder's Canyon Comment
  SBBG37503  Camissoniopsis micrantha R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  UCR244377  Camissoniopsis pallida Jim Andre 2012-4-16 20945 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  UC147159  Camissoniopsis pallida subsp. hallii H. M. Hall 1897-4-17 446 Riverside Banning Colorado Desert (edge of Colorado Desert) Comment
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Mar 21 2011
  UCR166102  Camissoniopsis pallida subsp. pallida A. C. Sanders, G. Nuhn 1995-4-20 16578 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  CDA20469  Cannabis indica R. W. Schaffer 2004-3-18 PDR 1262001 Riverside Southern California; Ave 44 & Dillon in Indio. 0 Comment
  SD8373  Capsella bursa-pastoris Daniel Cleveland 1882-5-5 Riverside Temecula Plains 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
  UCR49459  Carduus pycnocephalus A. C. Sanders, B. Pitzer 1987-4-21 7049 Riverside Box Springs Mts., summit of Pigeon Pass Rd, Riverside 581 Comment
  RSA0120463  Carex alma Duncan S. Bell 2016-4-16 9307 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  CAS-BOT-BC119867  Carex nebrascensis H. M. Hall 1901-7-1 2484 Riverside In meadows or along creeks of Tamarack Valley, San Jacinto Mt. Comment
  SD112262  Carex subfusca Darley F. Howe 1941-6-9 1291 Riverside San Jacinto Mountains; Strawberry Creek. Comment
  SEINET5766016 Image available Cassia armata John F. Emmel 1995-4-21 1365 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479 on 1952 USGS Midland 15' topographic quadrangle. Comment
  RSA104099  Castilleja angustifolia A. M. Alexander, Louise Kellogg 1941-5-7 2131 Riverside 12 miles southwest of 29 Palms 1311 Comment
  UCR104192  Castilleja applegatei subsp. martini Scott D. White 1997-5-18 5182 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  RSA9765  Castilleja applegatei subsp. martinii Louis C. Wheeler 1931-10-3 193 Riverside Among boulders on summit. Tahquitz Peak, San Jacinto Mts. 2691 Comment
  UCR15963  Castilleja exserta Leland E. Francois 1966-4-3 4366- 1 Riverside Peninsular Range, south of Sun City, 3.4 mi west of Hwy 395 on Newport Road 439 Comment
  RSA0010931  Castilleja exserta subsp. exserta Scott D. White, Angelia Carey 2004-4-5 9991 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  POM259615  Castilleja foliolosa P. A. Munz 1940-3-17 15598 Riverside Dripping Springs, southern Riverside Co. Comment
  RSA716390  Castilleja foliolosa Scott D. White, Angelia Carey 2004-4-5 9985 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA741577  Castilleja miniata Scott D. White, Justin M. Wood 2008-6-17 12172 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR224387  Casuarina cunninghamiana Justin M. Wood 2010-1-5 1408 Riverside Prado Basin, city of Corona, Pomona-Rincon Road, 0.2 mi north of the intersection with Railroad Street 165 Comment
  CAS-BOT-BC38297  Caulanthus cooperi Annie M. Alexander; Louise Kellogg 1941-5-19 2202 Riverside Eagle Mountains. 1.5 miles north of Cottonwood Spring. 975 Comment
  RSA0119990  Caulanthus hallii Duncan S. Bell, Thomas Stoughton 2016-4-13 9262 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA531136  Caulanthus hallii R. S. Woglum 1941-5-17 3055 Riverside Horse canyon, NE off Coyote Canyon, SE of santa Rosa Mountain. Comment
  RSA735865  Caulanthus heterophyllus Scott D. White, Justin Wood, Juan Hernandez 2008-3-12 11764 Riverside Site of proposed Liberty Quarry. Mountains between Temecula Valley and Rainbow Valley just W of Interstate 15. N of the San Diego County Line. 335 Comment
  SD167181  Caulanthus heterophyllus S. J. Myers, John Green 2003-4-4 Riverside Powerline trail west of Juan Diego Flats toward Reed Valley, northwest of Cahuilla Mountain. 1220 Comment
  UCR196368  Caulanthus lasiophyllus Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  RSA0026296  Caulanthus simulans John F. Emmel 1991-4-28 1166 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  SD122407  Ceanothus crassifolius Duffie Clemons, Jim Dice, Glenn Keator 1988-2-18 1942 Riverside South bank of Santa Margarita River, Santa Margarita Ecological Preserve, west of Temecula Comment
  UCR154461  Ceanothus cuneatus var. cuneatus Jason L. Hlebakos 2005-5-30 803 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  OBI78290  Ceanothus integerrimus Carl B. Wolf 1941-8-15 11155 Riverside Santa Ana Mts Santiago Peak, N side 1/2 mi from summit Comment
  UC1929728  Ceanothus integerrimus Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1698 Riverside Peninsular Ranges; San Jacinto Mountains region; Fuller Mill Creek just N of junction with Dark Canyon. Comment
  CAS-BOT-BC51277  Ceanothus leucodermis E. W. Lathrop 1965-4-4 5642 Riverside 8 mi. W. of Murrieta Comment
  UCR23264  Ceanothus leucodermis J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  CAS-BOT-BC51650  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-23 7895 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  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
  UCSB7070  Ceanothus perplexans Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Rd. from State Rd. 111 609 Comment
  UCR137484  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-3-29 1574 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  CAS-BOT-BC63252  Ceanothus tomentosus var. olivaceus L. R. Abrams 1935-4-7 13680 Riverside San Juan Canon, Ortega Highway, 2 mi. above Orange Co. line. Comment
  CDA7301  Centaurea X pouzinii Gene Drake 1989-12-8 Riverside Corona. DeGroot Dairy, Archibald and Greenwine. 0 Comment
  UC878315  Centaurium exaltatum I. W. Clokey and E. G. Anderson 1935-8-21 6790 Riverside Hemet Lake 1300 Comment
  RSA660922  Centaurium venustum Mitch Provance 1998-5-25 875 Riverside Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR143363  Centaurium venustum N. C. Cooper 1944-6-4 1357 Riverside Peninsular Ranges; Santa Ana Mountains, San Juan Canyon, Upper San Juan Campground el. '2500 ft. 534 Comment
  UCR154398  Centaurium venustum A. C. Sanders, Mike Misenhelter 2005-6-15 30952 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CAS-BOT-BC279123  Centromadia pungens subsp. laevis David D. Keck 1932-10-2 1946 Riverside Just north of Temecula Comment
  HSC80293  Centromadia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Keith Rd. near (just E of) Bear Creek golf course Comment
  OBI16250  Centromadia pungens subsp. laevis Robert F. Hoover 1968-6-6 11150 Riverside 1 mi East of Perris Comment
  SD227752  Centromadia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22813 Riverside Skinner / Domenigoni area: French Valley, E side of Washington Ave., near Rawson Rd. 451 Comment
  SEINET13276736 Image available Centromadia pungens subsp. laevis D. E. Bramlet 2009-1 4400 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: NW of Hemet, San Diego Canal right-of-way south of Esplanade Ave. and west of Warren Rd. (Lakeview 7.5' Q.) (T4S R2W S1, NE/4 of NE/4; 11S -0496878E, 3736882N) 475 Comment
  UC73920  Centromadia pungens subsp. laevis Geo. R. Hall 1905-9-3 Riverside Comment
  UCR264616  Centromadia pungens subsp. laevis Mitch Provance 2011-6-6 17009 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  UCR266284  Centromadia pungens subsp. laevis D. E. Bramlet 2005-5-24 3863 Riverside Perris-Aguanga Basin Region, Temecula, corner of Jefferson Ave. and Cherry St. 319 Comment
  RSA735900  Centromadia pungens subsp. pungens Scott D. White, Justin M. Wood 2008-6-3 12057 Riverside Perris Basin: March ARB. Comment
  CHSC26365  Centrostegia thurberi James Henrickson 1971-5-29 5573 Riverside 15 mi. SW of Twentynine Palms, 2 1/2 mi. N. of Salton View in Joshua Tree Nat'l Monument. 1280 Comment
  RSA608701  Cerastium fontanum subsp. vulgare L. C. Wheeler 1961-6-17 7886 Riverside San Jacinto Mountains: Strawberry Creek, Idyllwild. Comment
  RSA198954  Cerastium glomeratum R. F. Thorne, O. Clark, S. Carlquist 1968-4-18 37428 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  SEINET7048211  Cerastium glomeratum Steven R. Hill, Andrew C. Sanders 2001-5-4 33723 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  SD245306  Cereus A. C. Sanders 2010-5-31 38433 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place. Large Victorian residence. 257 Comment
  UCR258749  Chaenactis artemisiifolia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7902 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
  UCR34891  Chaenactis artemisiifolia L. B. Ziegler 1975-6-11 542 Riverside San Jacinto Mtns., near Hwy 74 at Dry Creek 1009 Comment
  CAS-BOT-BC276394  Chaenactis carphoclinia Elizabeth McClintock 1964-4-8 s.n. Riverside E of Indio Comment
  CAS-BOT-BC276395  Chaenactis carphoclinia Thos. W Whitaker 1958-4-30 s.n. Riverside Box Canyon, midway between Mecca and Shaver Well Comment
  SBBG87840  Chaenactis carphoclinia A. C. Sanders, B. Pitzer 1986-3-3 6110 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S Chuckawalla Mtns, T6S, R16E, S28 487 Comment
  UC218055  Chaenactis carphoclinia var. carphoclinia P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4842 Riverside Corn Springs Colorado Desert, Chuckwalla Mountains, Corn Springs 457 Comment
  CDA7370  Chaenactis fremontii T. C. Fuller 1962-4-3 7989 Riverside Highway 99 to Indio, 0.2 mile north of turn-off to Twenty Nine Palms. 0 Comment
  RSA100834  Chaenactis fremontii Palmer Stockwell 1940-4-24 1504 Riverside 1 mile E of Cabazone Comment
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Feb 15 2013
  UCR133382  Chaenactis fremontii Mitch Provance, J. S. Ross 1998-3-27 1002 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  RSA786075  Chaenactis glabriuscula C. P. Cowan 1978-4-23 1217 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  UCR123233  Chaenactis glabriuscula 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
  HSC87021  Chaenactis glabriuscula var. glabriuscula K. Harper 1988-5-14 Riverside San Jacinto Mtns.; road to the N of Castile Canyon Dr. at Poppet Fla, off Hwy. 243 Comment
  UCR104177  Chaenactis glabriuscula var. glabriuscula Scott D. White 1997-5-25 5222 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  RSA500138  Chaenactis glabriuscula var. lanosa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3672 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UC63016  Chaenactis glabriuscula var. lanosa H. M. Hall April 1903 3784 Riverside vicinity of Riverside 396 Comment
  CAS-BOT-BC284341  Chaenactis stevioides Annie M. Alexander; Louise Kellogg 1941-5-11 2149 Riverside 1.5 miles north of Cottonwood Spring, Eagle Mountains, Colorado Desert 975 Comment
  CLARK-A1528-186  Chaenactis stevioides Charlotte Stocks 1965-3-26 Riverside Thermal Canyon Comment
  UCR249658  Chaenactis stevioides T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7303 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 137 Comment
  SEINET9321196  Chamaesyce albomarginata Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  RSA85088  Chamaesyce polycarpa J. C. Roos 1952-4-9 5496 Riverside Scattered along dry sunny roadside with Avena barbata, Muhlenbergia microsperma, etc., southeast face Mt. Rubidoux. 335 Comment
  POM2680  Chamaesyce polycarpa var. hirtella I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon . Comment
  RSA192301  Chamaesyce serpillifolia H. A. Zuill 1966-6-29 264 Riverside about 2 miles west of Murrieta. Comment
  RSA444791  Chamaesyce setiloba J. C. Roos 1958-9-28 s.n. Riverside Pinyon Flats, Santa Rosa Mtns. 1220 Comment
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Apr 3 2011
  RSA719242  Chamaesyce setiloba Michael Honer, L. Hulse 2004-4-3 1910 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
  RSA0000022  Cheilanthes X fibrillosa S. B. Parish 1882-06 s.n. Riverside Oak Cliff, San Jacinto Canyon Comment
  RSA524228  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4022 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  CAS-BOT-BC70031  Cheilanthes covillei Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 363 Riverside Deep Canyon south of Hwy. 74, c. 2 mi. up water service road, below crossing; Santa Rosa Mountains, north slope 1310 Comment
  IRVC3130  Cheilanthes covillei A. S. Boughey, P. Pembrook 1965-6-15 1045 Riverside Santiago Peak. Santa Ana Mountains 1646 Comment
  JOTR30213  Cheilanthes covillei Leary, C. and Leary, Pat 1979-2-24 2807 Riverside Joshua Tree National Park. On west facing slope in Lower Covington Flats, north of Smithwater Canyon, Joshua Tree National Monument. Comment
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Feb 25 2013
  POM11675  Cheilanthes covillei P. A. Munz, I. M. Johnston 1922-5-19 5435 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA774115  Cheilanthes covillei Duncan S. Bell, Colleen Wheeler 2010-7-19 1626 Riverside San Bernardino National Forest: Garner Valley, trail to Tool Box Spring, approximately 3.1 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1440 Comment
  UCR162399  Cheilanthes covillei S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UC218643  Cheilanthes parryi S. B. Parish 1919-3-27 19191 Riverside West Canyon Palm Springs; Colorado Desert Comment
  UCR181631  Chenopodium Mitch Provance 2003-6-7 7610 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  RSA562454  Chenopodium californicum Steve Boyd, Timothy S. Ross 1992-5-5 7235 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  SD224924  Chenopodium californicum Scott D. White 1996-3-23 3845 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch). USGS 7.5' Hemet topo. 320 Comment
  UCR20896  Chenopodium fremontii A. C. Sanders 1978-8-27 00281 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  RSA554283  Chenopodium murale Scott D. White 1992-2-25 92 -13 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  UCR207249  Chenopodium pumilio O. F. Clarke 2004-5-21 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  CDA3103  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2254 Riverside Jurupa Mtns.; Crestmore area, along the S side of El Rivino Rd., ca. 0.4 miles N of Crestmore Quarries. Comment
  RSA666521  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-11-2 2294 Riverside North Riverside: Reid Park, ca. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  LA204144  Chilopsis linearis subsp. arcuata Louis Wheeler; 1933-12-1 2281 Riverside San Gorgonio Pass, San Gorgonio wash at S.P. RR 640 Comment
  LA204149  Chilopsis linearis subsp. arcuata Norman C. Cooper; 1944-7-15 1548 Riverside Palm Springs 121 Comment
  OBI30219  Chilopsis linearis subsp. arcuata George J. Ley 1971-4-7 P 73 Riverside 2 mi N of Palm Srpings, off hwy III, W on dirt road approx. 1/4 mi into Chino Canyon. 244 Comment
  POM202929  Chilopsis linearis subsp. arcuata L. C. Wheeler 1933-12-1 2281 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  POM3997  Chilopsis linearis subsp. arcuata M. Shaw 1917-4-4 s.n. Riverside Palm Canyon Comment
  UCR87944  Chloris virgata A. C. Sanders 1994-1-30 14222 Riverside Corona, Orange Heights section. D.R. Horton Custom Homes tentative tract, north side of Chase Drive between Rimpau (Lester) Avenue and California (Compton) Avenue 300 Comment
  RSA678382  Chorizanthe brevicornu Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10446 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
  SEINET236365  Chorizanthe brevicornu Scott D. White, Pam Devries 1998-2-9 6078 Riverside Coachella valley La Quinta/Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing 30 Comment
  UCR50892  Chorizanthe brevicornu A. C. Sanders 1988-5-11 7805 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  CAS-BOT-BC191709  Chorizanthe brevicornu var. brevicornu L. R. Abrams 1926-3-26 11060 Riverside Palm Springs. The Palm Canyon Comment
  CAS-BOT-BC191712  Chorizanthe brevicornu var. brevicornu Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13259 Riverside U.S. gypsum mine property in Little Maria Mts., 2.3 mi above Midland P.O. Comment
  JOTR16807  Chorizanthe brevicornu var. brevicornu Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. 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
  UCR11321  Chorizanthe coriacea Heather Johnston 1967-5-18 051867- 03 Riverside San Bernardino Valley, Reche Canyon, field opposite 7382 Reche Canyon Road 457 Comment
  UCR147605  Chorizanthe coriacea Rashmi Pant, D. L. Banks 1996-5-13 1024 Riverside Peninsular Ranges: Palomar Mts region, NW Palomar Mtns. Agua Tibia Mountians. Foothills south of Hwy 79; east of the Dripping Spring Campground; along xeric ridge, approximately 100mi east of the Dripping Springs Guard Station Comment
  UCR263483  Chorizanthe coriacea A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41447 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA192062  Chorizanthe fimbriata E. W. Lathrop 1966-5-9 6276 Riverside 3 miles SW of Murrieta between Mesa de la Punta and Sandia Canyon. Comment
  RSA500530  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3620 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  SD136790  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim Ross 1992-6-10 7625 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek and San Mateo Creek 671 Comment
  CAS-BOT-BC191343  Chorizanthe leptotheca Chris E. True; Robert Cox 1989-4-29 10150 Riverside San Jacinto Mtns.Foothills: along Hwy 74 at milepost 48, across from Cranston US Forest Service Station, 3 miles E of Fairview Ave., N of highway and S of San Jacinto River, near mouth of Bee Canyon 610 Comment
  SD136789  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Temescal Canyon, east side of Indian Wash between I-15 & Temescal Canyon Road, open sandy areas Comment
  UCR139156  Chorizanthe leptotheca S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  CLARK-A1528-3602  Chorizanthe parryi John C. Roos 1950-5-27 4819 Riverside Reche Canyon 761 Comment
  POM182352  Chorizanthe parryi var. parryi Katherine Brandegee 1905-5-12 s.n. Riverside Near Riverside. Comment
  SD247476  Chorizanthe parryi var. parryi Andy Sanders, J. Schweitzer, K. Young 2015-3-24 41473 Riverside San Gorgonio Pass: north of San Gorgonio River wash, 3.1 miles due east of Cabazon, south of I-10 and 1.1 miles ENE (77 degrees) of water bottling plant, north edge of wind farm. 451 Comment
  UC217961  Chorizanthe parryi var. parryi P. A. Munz and I. M. Johnston 1922-5-19 5359 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UC55752  Chorizanthe parryi var. parryi H. M. Hall May, 1901 Riverside West Riverside Comment
  UCR252805  Chorizanthe parryi var. parryi John Dvorak 2011-4-13 013 Riverside Perris Aguanga Basin, Bundy Canyon Road, 530 meters north of intersection of Oak Circle Drive; 32 meters west of fence line 512 Comment
  RSA457799  Chorizanthe rigida Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2193 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  SBBG16842  Chorizanthe rigida K. K. Muller 1958-3-22 917 Riverside Hwy 60, 7 mi E of Desert Center Comment
  RSA525433  Chorizanthe staticoides Steve Boyd, Dave Bramlet 1990-4-29 4478 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA586797  Chorizanthe staticoides D. L. Banks, S. D. Boyd 1995-5-3 235 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UC178761  Chorizanthe xanti Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater 304 Comment
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1
  CAS-BOT-BC36261  Chrysolepis sempervirens Mary F. Spencer 1919-7-8 665 Riverside Tacquitz ridge, San Jacinto Mt. 2438 Comment
  SBBG61608  Chrysolepis sempervirens R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns 2438 Comment
  UCD110137  Chrysolepis sempervirens Merry Lepper 1972-10-22 1070 Riverside Foot trail toward San Jacinto Summit from Long Valley Ranger Station at top of Palm Springs Aerial Tramway. San Jacinto Mtn. Range. Comment
  UCSB11821  Chrysolepis sempervirens Creighton, B. 1961-5-6 Riverside at upper end of road to Black Mtn. Lookout, which begins 6.5 miles northeast of Banning-IdylIwild road, 18.2 miles south of Banning, San Jacinto Mountains 2286 Comment
  CLARK-A1528-1730  Chrysothamnus paniculatus John C. Roos 1942-10-23 2578 Riverside Dry Morongo Canyon Comment
  RSA688856  Chrysothamnus paniculatus Scott D. White, Michael Honer 2003-5-13 9250 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR99566  Chrysothamnus paniculatus B. G. Pitzer 1996-11-11 2930 Riverside Sonoran (Colorado) Desert, Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. south of Bob's Cabin 274 Comment
  RSA0031747  Chrysothamnus paniculatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4553 Riverside Transverse Ranges, San Bernardino Mountain region: Whitewater Cyn. 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. 526 Comment
  UCR269867  Chylismia brevipes A. C. Sanders, Jim Malusa 2016-3-18 42365 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR279590  Chylismia brevipes subsp. brevipes A. C. Sanders, Jim Malusa 2017-3-28 43157 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
  OBI26127  Chylismia claviformis David J. Keil 1976-12-12 11905 Riverside Ca. 5 mi E of Indio along I-10 Comment
  CAS-BOT-BC160586  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside On desert alluvial fan of Fargo Canyon Comment
  CAS-BOT-BC160604  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1937-3-9 8759 Riverside 5 miles west of Shaver's Well Comment
  CAS-BOT-BC160605  Chylismia claviformis subsp. aurantiaca Javier Penalosa 1963-4-10 s.n. Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  SD39494  Chylismia claviformis subsp. aurantiaca Edith A. Purer 1935-4-21 6482 Riverside Desert floor, near Palm Springs. Comment
  UC1184366  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside alluvial fan Fargo Canyon Comment
  UCSB4425  Chylismia claviformis subsp. aurantiaca Beeks, Richard 1952-4-4 Riverside US 99; opposite Twenty Nine Palms turnoff Comment
  RSA263657  Cirsium occidentale var. occidentale E. W. Lathrop 1977-4-13 7605 Riverside 4 miles West of Corona between Tin Mine and Santiago Peak, Skyline Drive. Coal canyon at the base of Sierra Peak in the Santa Ana Canyon. Comment
  UCR150026  Cirsium vulgare Scott D. White, Angelia Carey 2004-5-7 10337 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR21850  Cirsium vulgare Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR78455  Clarkia epilobioides Scott D. White 1993-4-22 1233 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  SEINET7072848  Clarkia purpurea A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UC20334  Clarkia purpurea subsp. quadrivulnera Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  UCR165912  Clarkia rhomboidea T. B. Salvato, John F. Green 2004-5-27 552 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR20817  Clarkia similis A. C. Sanders 1980-5-22 1506 Riverside San Jacinto Mtns., Hwy 243, 0.6 mi above the foot of the mtn. at Smith Creek 732 Comment
  UCR84567  Clarkia similis Steve Boyd 1986-4-19 1705 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA469301  Claytonia parviflora subsp. parviflora N. C. Cooper 1947-4-5 2119 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA726860  Claytonia parviflora subsp. parviflora Steve Boyd, Aydee Virgen 2004-4-13 10882 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA0125187  Clematis pauciflora Duncan S. Bell 2016-3-3 8770 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3 air miles east northeast of Kitching Peak. 934 Comment
  RSA735926  Clematis pauciflora Scott D. White, Justin M. Wood 2008-5-29 12044 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UCR138641  Clematis pauciflora D. L. Banks 1997-2-17 1267 Riverside Agua Tibia Mountains, NW Palomar Mountains: NW foothills of Dorland Mtn at the S end of Los Caballos Road the University of California-Emerson Oaks Reserve. The westernmost portion of the Preserve, south of a large, privately owned citrus grove 506 Comment
  UCR50391  Clematis pauciflora L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  RSA440823  Cleome isomeris E. Crow 1928-11-12 44 Riverside Morongo Valley, Colorado Desert. Comment
  RSA6638  Cleome isomeris B. D. Stark 1932-6-15 1523 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  HSC79301  Clinopodium chandleri James Henrickson 1972-5-21 7196 Riverside 2 mi. W of Murrieta on slopes up to Santa Rosa Plateau along Tenaja Road 396 Comment
  UCR193748  Cnicus benedictus A. C. Sanders, Mitch Provance 2008-7-11 35754 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  POM12956  Collinsia concolor Philip A. Munz, I. M. Johnston 1922-5-21 5532 Riverside Hemet Valley. 1433 Comment
  POM14407  Collinsia concolor Philip A. Munz, J. M. Johnston 1922-5-19 5433 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  UCR1553  Collinsia concolor David L. Davis 1962-4-15 26 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.5 mi south of Pennsylvania [=Martin Luther King] Ave., 0.5 mi east of Canyon Crest Drive 366 Comment
  UCR28966  Collinsia concolor Melissa Luckow, R. Riggins 1982-4-15 827 Riverside Hwy 371, 1.2 mi north of the jct with Hwy 79 in Aguanga. Comment
  RSA0117399  Collinsia concolor Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55457 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  CLARK-A1528-849  Collinsia heterophylla F. Zaebst 1959-4-29 Riverside Temecula Comment
  RSA0117396  Collinsia parryi Robert Allen, L. Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  UCR166148  Collomia grandiflora T. B. Salvato, John F. Green 2004-5-27 550 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  CAS-BOT-BC520440  Condalia globosa var. pubescens A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40512 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, S of the Chuckwalla Mtns., along Bradshaw Trail 1.5 km NW of Augustine Rd jct., large wash on SW side of road 726 Comment
  SD124711  Condalia globosa var. pubescens Andy C. Sanders, Et al. 1986-3-1 6042 Riverside Chuckawalla Bench, W side of Chuckawalla Mtns, 9 miles S of Hwy I-10 on the gasoline road, 2 mi. airline S of the Model Mine. 579 Comment
  UCR241791  Convolvulus simulans A. C. Sanders, Dave King 2013-4-10 40788 Riverside Peninsular Range; Perris-Aguanga Basin, about 2 miles south of Perris, along SCE powerline route west of I-215, parallel to McLaughlin Rd., near intersection with Geary St. 441 Comment
  UCR227599  Cordylanthus rigidus Duncan S. Bell, Colleen Wheeler 2010-7-19 1634 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.9 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1376 Comment
  JEPS15512  Cordylanthus rigidus subsp. setiger Peter H. Raven, Sidney R. Snow 1956-6-30 9541 Riverside Dripping Springs Guard Station, Temecula River Comment
  POM13883  Cordylanthus rigidus subsp. setiger E. C. Jaeger 1921-7-15 1180 Riverside Massacre Canyon Comment
  RSA5023  Coreopsis californica C. B. Wolf 1932-3-20 23 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  RSA586868  Coreopsis californica var. californica D. L. Banks, Steve Boyd 1995-5-3 0287 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  CAS-BOT-BC287191  Corethrogyne filaginifolia A. C. Sanders 2004-7-1 28382 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mile E of Murrieta Rd and 1 mile N of Bundy Canyon Rd, ca 5 miles due S of Sun City 488 Comment
  POM356161  Corethrogyne filaginifolia M. M. Thompson 1947-8-23 c 2051 Riverside Los Alamos Canyon, Elsinore Mtns. 762 Comment
  RSA6034  Corethrogyne filaginifolia C. B. Wolf 1932-8-4 3919 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  RSA757466  Crassula aquatica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55210 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  RSA0125184  Crassula connata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8755 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  UCR183023  Crassula connata Mitch Provance 2001-4-21 2976 D Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  UCR92043  Crassula connata Scott D. White 1995-3-30 2664 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UC1929302  Cressa truxillensis Scott D. White, Justin Wood 2008-4-15 11875 Riverside Perris Valley; Interstate 215, between Nuevo Rd and Scott Rd. Comment
  RSA92578  Cressa truxillensis J. C. Roos 1952-5-21 5703 Riverside San Jacinto River bottomland 1.5 miles southeast of Perris 426 Comment
  UC129846  Crocanthemum scoparium var. vulgare Charlotte M. Wilder May 1908 892 Riverside Wilders' Jurupa Hills Comment
  RSA145908  Crossosoma bigelovii W. S. Davis 1960-3-12 105 Riverside Whitewater Canyon rd, 4.6 mi. N of junction with Hwy. 60, 70, 80. S facing slopes up side canyon. Comment
  RSA757784  Crossosoma bigelovii LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4303 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UC218183  Crossosoma bigelovii P. A. Munz 1922-3-12 4708 Riverside near Palm Springs; Andreas Canyon Comment
  OBI14419  Croton californicus Lewis S. Rose 1966-12-11 66097 Riverside Palm Springs 152 Comment
  SD229136  Croton californicus Dick Schwenkmeyer 2012-10-16 933 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UC868665  Croton californicus Milo S. Baker 1928-4-4 2873 Riverside Palm Springs-Banning hwy Snow River Comment
  RSA480569  Croton californicus var. mohavensis Christopher Davidson 1979-4-29 7818 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  UCR178571  Croton californicus var. mohavensis R. G. Swinney 1967-2-4 0011 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 305 Comment
  UCR231745  Cryptantha John F. Green 2008-4-23 08- 02 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  NY1154342  Cryptantha angustifolia N. H. Holmgren 1973-3-22 6468 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  POM287897  Cryptantha angustifolia Lyman Benson 1933-3-31 4195 Riverside Salton Sea-Imperial Co. line. 61 Comment
  RSA611016  Cryptantha angustifolia N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Coachella Comment
  UCR47804  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10623 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  JEPS67484  Cryptantha barbigera W. L. Jepson 1927-4-12 11654 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  RSA735219  Cryptantha barbigera Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11242 -A Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SBBG119609  Cryptantha barbigera G. K. Helmkamp 1984-5-2 D- 26 Riverside Big Morongo Cyn, 3-3.5 mi below the caretaker's house at the Big Morongo Preserve 550 Comment
  UCR262240  Cryptantha barbigera T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3710 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR47671  Cryptantha barbigera F. R. Fosberg 1932-3-13 10627 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  UCR115342  Cryptantha barbigera var. fergusoniae A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16267 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR127341  Cryptantha corollata A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25845 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  JEPS116968  Cryptantha costata David Gowen 2008-3-25 823 Riverside Sand dunes about 3 miles south of Rice. Comment
  RSA768411  Cryptantha costata J. Andre, T. La Doux 2009-2-25 10818 Riverside Palen Dry Lake: southeast margin of dry lake, approx. 6 miles north of I-10 freeway, about 15 miles east of Desert Center 129 Comment
  SD239636  Cryptantha costata Dave Silverman, Fred Sproul, Tammy Beyerl and Erin Bergman 2010-3-29 7874 Riverside East end of Chuckwalla Valley, west of Palo Verde Mesa and Blythe, 1.5 km south of I-10 and 7.5km west of Nicholl's Warm Spring. 149 Comment
  SEINET12280754  Cryptantha costata Unknown 1936-1 12813 Riverside foothills of San Jacinto Mts, S of Palm Springs Comment
  UCR176721  Cryptantha decipiens A. C. Sanders, K. C. Rose 1995-4-27 16732 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
  SEINET200257  Cryptantha dumetorum Francia Chisaki, Peter M. Ray 1952-4-6 2199 Riverside Joshua Tree National Monument ; About 0.25 mile west of Cottonwood Springs. Comment
  RSA633324  Cryptantha intermedia R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 -C Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA691983  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-2 8917 Riverside Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  RSA779066  Cryptantha intermedia C. P. Cowan 1978-4-25 1277 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  UC1168697  Cryptantha intermedia Peter H. Raven 1958-5-17 12940 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UC857161  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa Gavilan 700 Comment
  UCR115431  Cryptantha intermedia Scott D. White, D. E. Bramlet 1999-4-22 7243 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR128916  Cryptantha intermedia A. C. Sanders, Mitch Provance 2001-4-5 23915 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  UCR98704  Cryptantha intermedia 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
  RSA779784  Cryptantha maritima Duncan S. Bell 2010-4-2 693 A Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  SBBG6253  Cryptantha maritima H. and M. Dearing 1942-3-5 4807 Riverside bajada washes near Cathedral City Comment
  UC24832  Cryptantha micrantha H. M. Hall 1901-6-1 2051 Riverside Onstatts Valley San Jacinto Mountains 1371 Comment
  UC24833  Cryptantha micrantha H. M. Hall 1901-6-24 Riverside Fuller's Mill, w side of San Jaicnto Mountains San Jacinto Mountains 1767 Comment
  CLARK-A1528-333  Cryptantha micrantha subsp. micrantha Charlotte Stocks 1964-4-26 Riverside Comment
  RSA788859  Cryptantha micrantha var. lepida Gary D. Wallace 2003-7-8 4028 Riverside Hidden Lake. Comment
  JOTR28753  Cryptantha micrantha var. micrantha La Doux, Tasha, Bill Truesdell 2004-3-11 1034 Riverside Joshua Tree National Park. Pinto Basin; sand hills 530 Comment
  UCR116613  Cryptantha micrantha var. micrantha A. C. Sanders 2001-3-20 23840 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  UCR47740  Cryptantha micrantha var. micrantha F. R. Fosberg 1932-3-13 10625 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  UCR107819  Cryptantha micromeres D. L. Banks 1997-5-5 2012 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  RSA561817  Cryptantha microstachys Steve Boyd 1992-4-14 6825 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UC1114559  Cryptantha microstachys Peter H. Raven 1958-5-17 12949 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UCR158856  Cryptantha microstachys Scott D. White 1994-6-14 2060 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 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
  UCR228911  Cryptantha microstachys A. C. Sanders 2011-4-7 39032 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
  POM369480  Cryptantha muricata N. C. Cooper 1944-4-23 1096 Riverside Banning 701 Comment
  UCR157669  Cryptantha muricata A. C. Sanders, N. Ferguson 1994-6-2 14635 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  RSA0079433  Cryptantha muricata var. jonesii C. P. Cowan 1978-4-25 1270 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  UCR272265  Cryptantha nevadensis Duncan S. Bell, Amanda Turek 2010-4-9 758 Riverside Mojave Desert, east side of the Arica Mountains, near the center of the range, c. 1.75 air mile west of Priest Well 439 Comment
  GMDRC3752  Cryptantha pterocarya J. Andre, T. La Doux 2009-3-1 11255 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  OBI38910  Cryptantha pterocarya A. C. Sanders, w/ Pitzer, Charlton, & Kniffen, Kniffen 1986-3-3 6119 Riverside Corn Spring, Chuckwalla Mts, wash below the spring and wash and rocky slopes to the south (T6S, R16E, sec 28-projected) 488 Comment
  SDSU18703  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 62 Riverside Joshua Tree National Park. Hidden Valley, 0.22 miles west of the Hidden Valley Picnic area, west of the Hidden Valley Nature Loop Trail. Underneath Salizarea mexicana, amongst large boulders. 1294 Comment
  RSA394340  Cucurbita palmata L. C. Wheeler 1933-12-1 2286 Riverside 2 miles E Cabazon, San Gorgonio Pass 640 Comment
  SBBG122657  Cucurbita palmata R. E. Riefner 2006-8-2 06 -349 Riverside vicinity of Alicante Dr at Jamawag Rd, N of Leon Rd; Lakeview Mtns 550 Comment
  RSA545270  Cuscuta californica R. F. Thorne 1967-12 41891 Riverside Palm desert Comment
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Jun 16 2013
  LA210098  Cuscuta californica var. papillosa A. M. Johnson; 1933-4-28 4124 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  UCR35150  Cuscuta californica var. papillosa L. B. Ziegler 1972-6-10 480 Riverside San Jacinto Valley, [Santa Rosa ] hills on south side of valley (W of Ramona Bowl) Comment
  POM188621  Cuscuta ceanothi L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  UCR120409  Cycloloma atriplicifolium Mitch Provance 1998-5-25 876 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  OBI9019  Cyclospermum leptophyllum Robert J. Rodin 1953-5-9 8200 Riverside Fairmont Park, Riverside 259 Comment
  SEINET5624449 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-1 17535 Riverside Chuckwalla Mountains, along Corn Springs Wash, 2.5km WNW of Com Spring, 69km west of Blythe, Corn Spring 7.5' USGS topographic quadrangle 550 Comment
  UCR112912  Cymbalaria muralis A. C. Sanders 1998-4-12 21751 Riverside Riverside, yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
  RSA544301  Cynara cardunculus Steve Boyd 1991-7-13 6406 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  UCR33713  Cynodon dactylon Faulkner 1978-3-21 348 Riverside Colorado River Valley, 9 mi. north of Blythe on Hwy 95 152 Comment
  RSA650408  Cynodon dactylon David B. Dunn 1947-7-12 2966 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
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May 24 2012
  RSA658241  Cynodon dactylon A. Sleigh, A. Haimov 1992-5-26 123 Riverside 30 meters east side of Davis Road. 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area access road. Comment
  UCR207810  Cyperus esculentus O. F. Clarke 2004-7-7 s.n. Riverside San Bernardino Valley Region, Riverside, Victoria Ave. bridge at Arroyo Tequesquite 262 Comment
  RSA653218  Cyperus involucratus John Wallace 1991-5-18 31 Riverside Colorado River. Sec. 16, T2S, R24E. Approximately two miles south of Lost Lake Resort. Comment
  JEPS35183  Cystopteris fragilis Carl V. Meyer 1928-7-27 555 Riverside summit San Jacinto Peak Comment
  UC816892  Dactylis glomerata Crawford and Johnston 1917-6-9 1227 Riverside Santa Ana River near Corona; Santa Ana River Comment
  CAS-BOT-BC280861  Dactyloctenium aegyptium Brad Ballen 1984-11-22 s.n. Riverside North side of Avenue 48, 300 meters west of Hjorth Avenue, southwest of Indio Comment
  CLARK-A1528-5246  Dalea californica John C. Roos 1948-4-24 3800 Riverside Whitewater 457 Comment
  RSA681031  Dalea mollis Scott D. White, Michael Honer 2003-5-14 9263 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  CAS-BOT-BC283036  Dasyochloa pulchella Carl B. Wolf 1932-4-27 3034 Riverside Mecca - Blythe Road 3/4 mi. west of Utopia, Colorado Desert 152 Comment
  UCR167419  Daucus pusillus John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR233581  Daucus pusillus A. C. Sanders, John F. Green 2012-4-12 40041 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 Comment
  CAS-BOT-BC293821  Deinandra fasciculata Palmer Stockwell 1935-5-12 1221 Riverside 2.5 mi. N. of Elsinore Comment
  UCD131161  Deinandra mohavensis A. C. Sanders; T. Schram, D. Wappler 1994-10-4 15775 Riverside San Jacinto Mountains: nameless tributary Azalea Creek ca. 1 mile due south of the Twin Pines Ranch buildings. Comment
  RSA737435  Deinandra paniculata Justin M. Wood 2008-8-31 121 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCD96240  Delphinium parishii H. Lewis; C. Epling 1941-5-4 s.n. Riverside 5 miles S. of White Tank on the road to Pinto Basin, Joshua Tree Nat. Mon. Comment
  UCR16750  Delphinium parishii B. A. Carlson 1978-4-30 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 396 Comment
  UCR268279  Delphinium parryi subsp. parryi Jim Andre 2012-6-15 30504 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
  RSA0018961  Delphinium parryi subsp. parryi Robert L. Rutherford 1944-6-17 1431 Riverside San Jacinto Mtns. West side. 1524 Comment
  SEINET3208886  Dendromecon rigida G. Goodwin 2012-6-14 3441 Riverside San Jacinto Mountains, 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR16439  Dendromecon rigida Frederick Neill 1977-5-28 52803 Riverside Santa Ana Mountains, 3.25 mi up Skyline Dr. from Corona Comment
  RSA66258  Dendromecon rigida subsp. rigida F. W. Peirson 1924-7-29 5025 Riverside Road between Banning and Idyllwild. 1768 Comment
  RSA593912  Deschampsia danthonioides Steve Boyd, Dave Bramlet 1996-4-19 8599 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR114960  Deschampsia danthonioides Fred M. Roberts 1992-4-25 4870 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR19416  Dicentra chrysantha C. S. Papp 1965-6-13 841 Riverside San Jacinto Mtns, Idyllwild 1829 Comment
  RSA543759  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6059 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
  UCR16307  Dichelostemma capitatum subsp. capitatum B. A. Beebe 1970-4-11 15 Riverside Peninsular Range; San Jacinto Mtns,, north bank of the San Jacinto River, c. 1 mi upstream from its junction with the North Fork 854 Comment
  POM1676  Dichelostemma capitatum subsp. pauciflorum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  SEINET6879161  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Cajalco district, ca. 5 miles southeast of Lake Mathews, and 2.5 miles west of U.S. 395. Comment
  UC1929321  Dieteria asteroides var. asteroides Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10668 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  UCR111547  Dimorphotheca sinuata Mitch Provance 1999-5-4 1697 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CAS-BOT-BC150928  Diplacus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside Cottonwood Canyon, ca. 100 yards east of Spring Comment
  CAS-BOT-BC150869  Diplacus puniceus H. M. Hall 1902-4-21 2928 Riverside Vicinity of Riverside, Gavilan Hills 457 Comment
  SEINET13778043  Diplacus puniceus Ynez W. Winblad 1938-1 Riverside Between El Capistrano and Lake Elsinore Comment
  SEINET7248342 Image available Distichlis spicata Duncan S. Bell, Evan Meyer 2014-1 6493 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; Canyon Spring. 367 Comment
  UCR231754  Distichlis spicata John F. Green 2008-4-23 07- 03 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  UCR91526  Distichlis spicata Scott D. White 1996-4-20 3969 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
  RSA421625  Ditaxis californica Robert Gustafson 1980-4-3 1523 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  HSC47315  Ditaxis lanceolata R. W. Spjut, C. E. Edson 1978-5-6 5030 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center 335 Comment
  JEPS52442  Ditaxis lanceolata W. L. Jepson and H. M. Hall 1901-5-22 1400 Riverside Palm Canyon of Mt. San Jacinto and return to Van Deventer's; Mt. San Jacinto, Palm Canyon Comment
  UCR216222  Ditaxis lanceolata Jim Andre, T. La Doux 2009-2-25 10806 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  JOTR33806  Ditaxis neomexicana La Doux, Tasha, B. Truesdell 2007-11-9 3304 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP2) 601 Comment
  RSA33641  Dithyrea californica N. C. Cooper 1945-3-24 1618 Riverside Cabazon. 457 Comment
  SD255125  Dithyrea californica Duncan S. Bell 2010-2-21 554 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on western section of range. Scattered on sand ramp with Larrea tridentata. 452 Comment
  SEINET1004371  Dithyrea californica Natham Moorhatch 2005-1 Riverside Western Sonoran (Colorado) Desert: Coachella Valley, E. edge of Santa Rosa Mtns., La Quinta, W of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 18 Comment
  RSA705960  Dodecahema leptoceras M. Wall, Stephanie Wall 2005-7-29 400 Riverside Valle Vista, San Jacinto River, north side of Hwy 74 across from Schultz Drive ca. 1.5 miles east of Fairview Avenue. 548 Comment
  JEPS108466  Downingia bella Lisa Schultheis 1995-5-9 146 -95 Riverside Santa Rosa Plateau Preserve. Vernal Pool Trail, off of Via Volcano. Comment
  RSA336206  Downingia cuspidata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51992 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA0121173  Draba cuneifolia Duncan S. Bell, LeRoy Gross 2016-3-30 9177 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  CAS-BOT-BC41673  Draba cuneifolia var. integrifolia Peter H. Raven 1958-1-24 11448 Riverside Fargo Canyon. Comment
  POM93029  Dudleya lanceolata Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  SD241802  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38401 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341a^z) of intersection of I-15 and Lake St. 526 Comment
  UCR156282  Dudleya lanceolata T. B. Salvato, Kent Beaman 2005-5-16 826 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
  UCR208910  Dudleya lanceolata P. A. Munz 1923-6-18 7131 Riverside Peninsular Range, Temecula Canyon Comment
  SEINET7048186  Dudleya lanceolata Steven R. Hill 2001-5-3 33694 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UC115216  Dudleya multicaulis Charlotte M. Wilder 1905-6-1 583 Riverside West Riverside Comment
  CLARK-A1656-641  Dudleya saxosa Kay Trenholme 1978-5-5 Riverside Snow Creek 381 Comment
  RSA779017  Echinocactus polycephalus var. polycephalus Duncan S. Bell 2010-4-1 677 Riverside Arica Mountains: east side of mountain range approximately 1.5 air miles northwest of Priests Well, and approximately 5.7 air miles southwest of the ghost town of Rice. 389 Comment
  SEINET3071816  Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17500 Riverside Queen Mountain quadrangle, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 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
  UCR201875  Echinochloa oryzicola Justin M. Wood 2008-9-22 157 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  RSA11655  Elatine brachysperma P. A. Munz, I. M. Johnston 1922-5-21 5546 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Mar 20 2011
  UCR185172  Eleocharis bella Naomi Fraga, Et al. 2006-7-11 1727 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  CAS-BOT-BC112734  Eleocharis geniculata W. R. Dudley 1903-12-29 s.n. Riverside Palm Springs Comment
  JOTR32463  Eleocharis macrostachya La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2608 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCD49843  Eleocharis montevidensis A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-7 24170 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. 502 Comment
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Mar 24 2011
  POM250495  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake. 1320 Comment
  UCR93237  Eleusine indica A. C. Sanders 1994-7-27 15163 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  JOTR31140  Elymus elymoides subsp. elymoides La Doux, Tasha 2009-6-3 1851 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  UC38220  Elymus elymoides subsp. elymoides H. M. Hall June, 1901 2073 Riverside vicinity of Chalk Hill San Jacinto Mountains (s slopes) 1524 Comment
  UC472733  Elymus elymoides subsp. elymoides A. S. Hitchcock 1921-6-15 Riverside Idyllwild San Jacinto Mt. Comment
  UCR98898  Elymus glaucus subsp. glaucus Scott D. White 1996-8-16 4483 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
  UCR207342  Elymus repens O. F. Clarke 2004-5-17 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR201669  Elymus trachycaulus subsp. trachycaulus Scott D. White, Justin M. Wood 2008-6-19 12273 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR22186  Elymus triticoides E. W. Lathrop 1960-6-9 4943 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  UCR133664  Emmenanthe penduliflora 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
  UCR202012  Emmenanthe penduliflora Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  RSA757796  Emmenanthe penduliflora var. penduliflora LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4291 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  CAS-BOT-BC131164  Encelia actoni C. B. Wolf 1931-10-14 2458 Riverside Roadside at [Cabozon] Cabazon, San Gorgonio Pass 518 Comment
  CAS-BOT-BC131165  Encelia actoni H. M. Hall 1901-6-1 2007 Riverside San Jacinto Comment
  POM356674  Encelia actoni Norman C. Cooper 1949-6-29 4285 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  UC1118047  Encelia californica R. St. John 1931-3-1 203 Riverside hill n Corona; Corona Quadrangle Comment
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Nov 27 2011
  UCR183175  Encelia californica Mitch Provance 2003-5-5 4413 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  HSC29901  Encelia farinosa Richard Spjut 1972-2-7 2178 Riverside Colorado Desert; 12 mi. S of jct. 95 on Hwy. 78 near San Bernardino County Line 305 Comment
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Jun 20 2013
  UC1118072  Encelia farinosa A. Lewis 1933-1-28 143 Riverside San Jacinto Quadrangle, Reservoire Butte 579 Comment
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Oct 30 2011
  UC217945  Encelia farinosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4890 Riverside near Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  UC895534  Encelia farinosa I. W. Clokey 1935-4-17 6946 Riverside Cottonwood Springs Comment
  UCR138725  Encelia farinosa Julie A. Greene 1993-4-10 1129 Riverside San Jacinto Wildlife Area 476 Comment
  SEINET10958167  Encelia farinosa David B. Dunn 1946-2-22 Dunn 1969 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  JEPS30404  Encelia frutescens Donald Kyhos 1957-3-20 1 (57-3) Riverside Hwy 99 at north end Salton Sea Comment
  POM289822  Encelia frutescens Lyman Benson 1933-3-31 4191 Riverside Salton Sea-Imperial Co. line. 61 Comment
  RSA560358  Encelia frutescens Steve Boyd, Carol Boyd, K. A. Boyd 1992-4-19 6915 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  SEINET10616296  Encelia frutescens David B. Dunn 1948-1-25 Dunn 3643 Riverside Found 1 mile southeast of Cabayon in the Bannings Pass between San Jacinto Mountains and the San Gorgonio Mountains. Comment
  RSA383798  Ephedra aspera E. C. Jaeger 1922-3-26 747 Riverside Murray Canon, near Palm Springs, California. 365 Comment
  RSA0117687  Ephedra californica Lyman Benson 1946-4-15 12040 Riverside On Twenty-nine Palms Road from Whitewater. Mt. Range: San Bernardino. 457 Comment
  SBBG22847  Ephedra californica D. Myrick 1965-3-4 1077 Riverside Palms to Pines Hwy (St Hwy 74) 914 Comment
  SEINET11194631  Ephedra californica M. M. Whetzel, M. F. Barrus 1920-3-13 196 Riverside Colorado desert near Cabazon. Comment
  UCSB11472  Ephedra nevadensis Dearing, Hugh; Dearing, Margaret 1942-3-10 Riverside Dos Palmas Canon near Palms to Pines Highway Comment
  RSA588501  Epilobium canum subsp. latifolium H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon 541 Comment
  SD229207  Epilobium canum subsp. latifolium Dick Schwenkmeyer 2011-8-25 652 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  RSA509568A  Epilobium ciliatum Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  UCR163339  Epilobium ciliatum T. B. Salvato, Kelly Volansky 2003-3-27 126 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA191397  Epilobium ciliatum subsp. ciliatum E. W. Lathrop, Thorne 1967-9-26 6644 Riverside 6 miles NW of Murrieta. Comment
  RSA740927  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-9 12427 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
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Sep 27 2009
  UCR195130  Epilobium densiflorum A. C. Sanders, Tim Thomas 2008-8-1 35954 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  POM13250  Epilobium pygmaeum P. A. Munz 1922-5-19 5368 Riverside Menifee Valley. 427 Comment
  RSA525703  Equisetum laevigatum Steve Boyd, Timothy S. Ross 1990-5-11 4641 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
  UCR68855  Equisetum laevigatum Steve Boyd, T. S. Ross 1990-5-11 4641 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  UCR236672  Eragrostis Fred M. Roberts, Michelle Balk 2006-8-24 6403 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  UCR88235  Eragrostis Karen Kirtland 1992-5-25 s.n. Riverside San Jacinto River between Nuevo Road and San Jacinto Avenue. 427 Comment
  UCD63458  Eragrostis mexicana F. M. Reed 1927-11-20 5680 Riverside Riverside and vicinity. Comment
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May 1 2011
  RSA129655  Eragrostis minor H. S. Yates 1937-6-28 21089 Riverside Palm Springs. 137 Comment
  POM267973  Eragrostis pectinacea E. Johnson 1943-10-29 s.n. Riverside Coachella. Comment
  SD233694  Eragrostis pectinacea var. pectinacea A. C. Sanders, T. Schram & D. Wappler 1994-10-4 15770 Riverside San Jacinto Mountains: north slope of the mtns.; Twin Pines Creek below confluence with Brown Creek in the vicinity of the dirt road crossing. 853 Comment
  RSA432712  Eremalche rotundifolia Christopher Davidson 1979-4-4 7721 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UC634840  Eremalche rotundifolia H. L. Mason 1928-3-10 4201 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  CAS-BOT-BC160057  Eremothera boothii subsp. condensata Mrs. R. W. Campbell 1922-3-12 34 a Riverside Palm Springs Comment
  RSA49365  Eremothera boothii subsp. condensata P. A. Munz 1949-4-11 13000 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  UC1186516  Eremothera boothii subsp. condensata E. G. Linsley and J. W. MacSwain 1960-3-2 60 -4 Riverside twenty mi e Desert Center Comment
  UCR268288  Eriastrum densifolium subsp. austromontanum Jim Andre 2012-6-15 30534 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  JOTR31165  Eriastrum eremicum subsp. eremicum La Doux, Tasha 2009-6-3 1871 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  SD28074  Eriastrum eremicum subsp. eremicum Carl B. Wolf 1932-5-25 3678 Riverside North base of San Jacinto Mountains; Snow Creek Canyon, 1.0 mile below fish hatchery. 395 Comment
  UCD118281  Eriastrum filifolium K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  SBBG5826  Eriastrum sapphirinum H. and M. Dearing 1940-6-8 4354 Riverside Palms to Pines Hwy, W of Ribbonwood Comment
  UC1563125  Eriastrum sapphirinum Steve Boyd, Tim Ross, and Laurel Arnseth 1989-5-7 3533 Riverside recent burn in hills just sw dam; Vail Lake area 487 Comment
  UCR21965  Eriastrum sapphirinum Steve Boyd 1980-5-20 292 Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  SEINET12320626  Eriastrum sapphirinum C. W. Tilforth, Wisura, W. 1979-1 1900 Riverside Garner Valley at Lake Hemet, Hwy 74 1326 Comment
  RSA0121587  Eriastrum sapphirinum subsp. dasyanthum J. C. Roos 1965-6-13 s.n. Riverside San Jacinto Valley, Valle Vista (east of Hemet). Comment
  CAS-BOT-BC515001  Eriastrum sapphirinum subsp. dasyanthum H. A. Dutton 1898-6-1 s.n. Riverside Elsinore Comment
  RSA0121570  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-7-15 1578 Riverside Banning. 701 Comment
  RSA0121584  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1966-5-15 6300 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA0122012  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross 1990-5-11 4622 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  SD181418  Eriastrum sapphirinum subsp. sapphirinum Scott D. White 2000-8-5 8111 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River) (Idyllwild) 1402 Comment
  CAS-BOT-BC131670  Ericameria brachylepis Louis C. Wheeler 1933-12-1 2288 Riverside 2 mi. E Cabezon, San Gorgonio Pass 640 Comment
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Jan 10 2018
  RSA524241  Ericameria brachylepis Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4128 Riverside Vail Lake area, E flank of 'Big' Oak Mtn, S of E summit. 610 Comment
  UCSB12338  Ericameria cooperi Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon, Colorado Desert Comment
  UC63164  Ericameria cuneata var. cuneata H. M. Hall Jun 1 1901-Jul 1 1901 2327 Riverside near Tauquitz; San Jacinto Mountains 2133 Comment
  JOTR30827  Ericameria cuneata var. spathulata La Doux, Tasha, Jim Andre 2008-9-16 343 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  POM295632  Ericameria cuneata var. spathulata Lyman Benson 1952-12-29 15088 Riverside White Tanks, Joshua Tree National Monument, 915 Comment
  RSA93251  Ericameria cuneata var. spathulata F. W. Peirson 1928-11-30 8214 Riverside about 1 mile north of Cottonwood Spring, northeast of Mecca. Comment
  SD68978  Ericameria pachylepis E. W. Lathrop 1965-10-24 6024 Riverside 8 miles west of Murrietta. 609 Comment
  CAS-BOT-BC299528  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-23 12299 Riverside Murietta Comment
  UC322978 Image available Ericameria palmeri var. pachylepis David D. Keck 1926-9-30 262 Riverside e of Riverside; Summit of Box Springs Grade; Box Springs Grade E of Riverside, Riverside Co. Comment
  SD127547  Ericameria paniculata Reid Moran 1967-11-7 14648 Riverside 4 miles north of Palm Springs. 299 Comment
  UCR9133  Ericameria pinifolia Frank C. Vasek 1969-10-14 s.n. Riverside Box Springs Mtns, on an imaginary line c. 1/2 way between the terminus of Pennsylvania Ave. (now Martin Luther King Blvd, 2000) & the radio transmission towers Comment
  CAS-BOT-BC293299  Ericameria teretifolia Philip A. Munz 1932-10-16 12872 Riverside North slope of Santa Rosa Mts., Indio to Vandeventer Flat road 1066 Comment
  UC699656  Ericameria teretifolia Kay H. Beach 1942-10-23 1696 Riverside at a point about .5 mi n National Forest Boundary (.75 mi nw of highway, steep bank below Dos Palmas Spring); Dos Palmas Spring Comment
  RSA525419  Erigeron foliosus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4527 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA674953  Erigeron foliosus Scott D. White, Teresa B. Salvato 2001-6-8 8567 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  SD181701  Erigeron foliosus Scott D. White, Bill La Haye 2000-5-27 7961 Riverside San Jacinto Mountains. 1616 Comment
  POM13090  Erigeron foliosus var. foliosus E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mts. McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  POM17508  Erigeron foliosus var. foliosus P. A. Munz 1923-6-18 7133 Riverside Temecula Canyon Comment
  RSA701741  Erigeron foliosus var. foliosus Steve Boyd, Valerie L. Soza 2004-6-22 11538 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  SBBG104721  Erigeron foliosus var. foliosus M. A. Patten 1992-5-28 92 -10 Riverside just E of Temecula, between Pauba Rd and De Portola Rd, W boundary of site adjacent to Butterfield Stage Rd; property extending E ca. 3400 ft. 365 Comment
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Aug 24 2013
  HSC78581  Eriochloa aristata J. C. Roos 1965-9-26 Riverside Indio Comment
  CAS-BOT-BC282996  Eriochloa lemmonii Malcom A. Nobs; S. Galen Smith 1948-9-3 495 Riverside 2 miles north of Indio Comment
  CAS-BOT-BC189083  Eriodictyon crassifolium P. A. Munz 1932-4-24 12390 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  RSA455016  Eriodictyon crassifolium Gale Sphon 1955-5-21 s.n. Riverside 3 miles south of Banning. Comment
  CAS-BOT-BC242760  Eriogonum davidsonii P. A. Munz; E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  CAS-BOT-BC242799  Eriogonum davidsonii H. M. Hall 1901-7-1 2624 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1584 Comment
  POM13401  Eriogonum davidsonii E. C. Jaeger 1922-8-24 1012 Riverside Between Tahquitz Valley and Long Valley. 2287 Comment
  RSA393470  Eriogonum davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild Road, San Jacinto Mountains 1372 Comment
  UCR251340  Eriogonum deflexum S. J. Myers 2014-5-21 1059 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UC666501  Eriogonum deflexum var. deflexum Annie M. Alexander and Louise Kellogg 1941-5-28 2264 Riverside 2 mi e, in wash next to rocky hills Shaver Summit; Colorado Desert 469 Comment
  POM184161  Eriogonum elongatum M. French Gilman 1932-11-30 9 Riverside Cabazon. Comment
  UCR167836  Eriogonum elongatum T. B. Salvato, Melissa Clemons 2005-6-2 1335 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  CAS-BOT-BC249761  Eriogonum elongatum var. elongatum John Green 2003-8-15 s.n. Riverside Santa Ana Mtns.: Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  CLARK-A1528-735  Eriogonum fasciculatum subsp. foliolosum Fred B. Essig 1964-1-11 9 Riverside Corona Comment
  JOTR30673  Eriogonum fasciculatum var. flavoviride Andre, Jim, Tasha La Doux 2008-3-21 8829 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  CHSC89852  Eriogonum fasciculatum var. foliolosum L. P. Janeway 2004-5-8 8078 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon; along Wildomar Road 0.8 km east of its crossing of Los Alamos Creek. 488 Comment
  RSA38488  Eriogonum fasciculatum var. foliolosum Percy C. Everett 1945-11-13 11513 Riverside Bear Spring, Main Divide Motorway, Santa Ana Mountains. 1220 Comment
  UC219156  Eriogonum fasciculatum var. foliolosum P. A. Munz, R. D. Harwood 1920-2-28 3257 Riverside 3 mi w Corona 335 Comment
  RSA6100  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  SD229225  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 628 Riverside Mt. San Jacinto 1085 Comment
  SEINET3208885  Eriogonum fasciculatum var. polifolium G. Goodwin 2012-6-14 3439 Riverside San Jacinto Mountains, 3 miles south of Banning along highway 243 910 Comment
  UC1032089  Eriogonum fasciculatum var. polifolium A. Lewis 1933-1-26 175 F Riverside Cactus Valley San Jacinto Quadrangle, Cactus Valley Comment
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Mar 20 2011
  SEINET7048185  Eriogonum fasciculatum var. polifolium Steven R. Hill 2001-5-3 33693 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  CAS-BOT-BC253492  Eriogonum 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 243 914 Comment
  UCR250402  Eriogonum gracile Jeremiah George 2012-5-17 s.n. Riverside Beaumont Bench, north slope facing San Timoteo Creek, north of Hwy 60 and south of Oak Valley Parkway, E of Potrero Blvd. 747 Comment
  SEINET9037299 Image available Eriogonum gracile J. L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and aboot 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp, Comment
  POM319088  Eriogonum gracile var. gracile Patricia Wilder 1971-9-29 5257 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  RSA180301  Eriogonum gracile var. gracile E. W. Lathrop 1965-9-13 5413 Riverside 8 miles west of Murrieta. Comment
  RSA393250  Eriogonum gracile var. gracile Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  SJSU1822  Eriogonum pusillum J. W. Tilden 1957-4-18 1097 Riverside near Whitewater E of San Gorgonio Pass Comment
  POM122078  Eriogonum reniforme Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  JOTR31060  Eriogonum saxatile La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2043 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  POM147642  Eriogonum thomasii F. M. Reed 1927-3-20 5413 Riverside Salt Creek Wash. Comment
  POM250548  Eriogonum thomasii I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  RSA424959  Eriogonum thomasii M. B. Dunkle 1933-5-6 3444 Riverside Painted Canyon Comment
  RSA517830  Eriogonum thomasii Steve Boyd, Orlando Mistretta 1986-3-13 1450 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR245954  Eriogonum thomasii Duncan S. Bell 2009-3-7 26 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  SEINET5584425  Eriogonum trichopes Stephen Hale 2010-1 Riverside Along WAPA Parker-Blythe transmission line, adjacent to State Route 95 Comment
  UCR58721  Eriogonum umbellatum var. munzii Reid Moran 1973-7-28 21105 Riverside Santa Rosa Mountains, N slope of the mountains 1780 Comment
  CAS-BOT-BC264920  Eriogonum wrightii var. membranaceum Steve Boyd 1985-12-24 1196 Riverside Along Gavilan Creek drainage system, Gavilan Plateau, Gavilan Hills Comment
  RSA520083  Eriogonum wrightii var. membranaceum Steve Boyd, Dave Bramlet 1988-10-8 2866 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  SFV18745  Eriogonum wrightii var. membranaceum J. N. Hogue 2003-9-13 205 .1 Riverside San Jacinto Mountains Hall Canyon, 500 m northeast of Lake Fulmor. James Reserve, University of California. 1645 Comment
  UC6551  Eriogonum wrightii var. membranaceum H. M. Hall 1897-7-31 755 Riverside Hemet Valley San Jacinto Mountains, Hemet Valley 1524 Comment
  CAS-BOT-BC261786  Eriogonum wrightii var. nodosum R. F. Hoover 1966-10-15 10177 Riverside Bighorn Drive, San Jacinto Mts. Comment
  JOTR01000  Eriogonum wrightii var. nodosum Cole, James E. 1941-11-2 935 Riverside Joshua Tree National Park. SMITH WATER CANYON AT LOWER SPRING Comment
  UC1133259  Erioneuron pulchellum H. S. Yates 1937-6-27 6724 Riverside Deep Canyon Thermal Quadrangle (head) Comment
  UC62977  Eriophyllum ambiguum var. paleaceum H. M. Hall 1901-5-1 1845 Riverside e base, along the borders of Colorado Desert; San Jacinto Mountains, Colorado Desert Comment
  OBI16503  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 322 Riverside Poppet Flat along County rte 1, San Jacinto Mtns 1372 Comment
  UCR135984  Eriophyllum confertiflorum A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27906 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  UCR158521  Eriophyllum confertiflorum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30019 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
  SBBG101772  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross 1991-6-14 6397 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UC1537022  Eriophyllum multicaule Gordon H. True Jr. 1935-3-19 130 Riverside 6 mi se Perris 487 Comment
  UCR123688  Eriophyllum multicaule G. P. Schultz 1994-4-21 138 Riverside Box Springs Mountains, recently burned area on east side of road on crest of mountain 823 Comment
  CAS-BOT-BC302037  Eriophyllum wallacei Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  UCR133961  Eriophyllum wallacei Mitch Provance, J. S. Ross 1998-3-27 MOR- 942 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR149781  Erodium brachycarpum Scott D. White, Michael Honer 2004-4-6 10055 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
  CSUSB48  Erodium cicutarium Steve Stadler 1966-3-2 030266 22 Riverside Riverside city. Found in open field west of the corner of Blain Street and Canyon Crest. 50 yards from corner in back of a house. 304 Comment
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Sep 29 2011
  SBBG99347  Erodium cicutarium W. L. Halvorson 1977-4-1 77 -230 Riverside Corona Comment
  UCR92611  Erodium cicutarium Scott D. White 1994-3-29 1942 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA0077524  Erysimum asperum G. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  RSA396463  Erysimum capitatum W. Wisura 1987-5-21 4160 Riverside 8.2 miles from Hwy 74, going S on forestry rd. 5S15; just S of summit of Thomas Mtn. Comment
  POM159828  Erysimum capitatum var. capitatum E. C. Jaeger 1926-3-27 s.n. Riverside Old Santa Rosa, Colorado Desert. [possibly deserted Santa Rosa Indian Village, Santa Rosa Mtns. -SW] Comment
  SD136748  Erythranthe guttata Steve Boyd, Tim Ross 1992-5-5 7253 Riverside San mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails 730 Comment
  SD51955  Erythranthe guttata Reid Moran 1962-7-7 9858 Riverside by Strawberry Creek, 2 miles SE of Idyllwild, San Jacinto Mountains 472 Comment
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Feb 23 2013
  SD107130  Erythranthe palmeri Barbara Ertter, J. Strachan 1979-6-26 2975 Riverside Kenworthy Forest Station on Rt 74 in Garner Valley, San Jacinto Mountains Comment
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Mar 25 2011
  CAS-BOT-BC151589  Erythranthe parishii Louis B. Ziegler 1969-6-12 s.n. Riverside Hemet Valley, San Jacinto Mts. 1432 Comment
  RSA0022938  Eschscholzia androuxii P. A. Munz, Percy C. Everett 1952-5-2 16244 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  RSA0022932  Eschscholzia androuxii Jack Rempel, Erwin Miller 1934-4-28 18734 Riverside S of Pass between Horse and Pleasant Valleys Wash 1220 Comment
  RSA525280  Eschscholzia californica Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4594 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UC1537338  Eschscholzia californica Gordon H. True Jr. 1939-3-14 109 Riverside Gavilan Hills 548 Comment
  UCR124657  Eschscholzia californica B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1489 Riverside Gavilan Hills, Gavilan Peak, west of Perris 610 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
  HSC99167  Eschscholzia glyptosperma Paul J. CaraDonna 2009-3-17 128 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  UCR213429  Eschscholzia glyptosperma A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37437 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
  CDA24567  Eschscholzia minutiflora T. C. Fuller 1963-4-23 10276 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.9 miles northeast of Mecca. 0 Comment
  RSA0022948  Eschscholzia minutiflora Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4770 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  GMDRC2593  Eschscholzia parishii J. Andre, T. La Doux 2008-3-21 8837 Riverside Little San Bernardino Mountains: Joshua Tree National Park: lower Wilson Wash along NE side of paved road 33 deg. 56.542' N 115 deg. 58.266' W. Elev. 2797 ft. 853 Comment
  RSA784765  Eschscholzia parishii Duncan S. Bell 2012-3-18 3169 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  UCR114123  Eschscholzia parishii B. G. Pitzer, J. Ross 1998-3-8 3616 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR148439  Eschscholzia parishii S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  UCR780  Eschscholzia parishii S. C. Anderson 1957-4-14 s.n. Riverside Santa Rosa Mtns., Deep Canyon, south of Palm Desert. 305 Comment
  UCSB21620  Eschscholzia parishii Shaw, M. 1964-4-5 Riverside 1.5 miles east of junction of State Highway 195 and turn-off to U.S. Highway 70 to Joshua Tree National Monument 594 Comment
  SD133073  Eucrypta chrysanthemifolia Scott White 1991-5-10 91 137 Riverside Highway 79, immediately west of U. S. forest Service Campground at Dripping Springs. 548 Comment
  UCR167433  Eucrypta chrysanthemifolia John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR214147  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37711 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
  UCR232044  Eucrypta chrysanthemifolia John F. Green 2008-4-15 0408- 07 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  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
  JEPS1708  Eucrypta chrysanthemifolia var. bipinnatifida Marjorie D. Clary 1614 Riverside 7 mi w Coachella; Colorado Desert, La Quinta Canyon 30 Comment
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Apr 4 2011
  JOTR28795  Eucrypta micrantha La Doux, Tasha 2005-3-30 1064 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM47495  Eucrypta micrantha Mary F. Spencer 1920-3-27 1595 Riverside Palm Springs. 122 Comment
  UCR240040  Euphorbia abramsiana A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40513 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mountains, 0.9 km west of Dupont Rd. 756 Comment
  RSA0040031  Euphorbia albomarginata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  UCR260829  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-3-11 41397 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  UCR49371  Euphorbia ocellata Theo Glenn 1986-4-5 s.n. Riverside Western Colorado Desert, Coachella Valley, Willow Hole, between Thousand Palms and Desert Hot Springs 213 Comment
  UCR103901  Euphorbia polycarpa B. G. Pitzer 1997-4-11 3105 Riverside Lakeview Mtns, spur off Pulsar View Road leading to utility tower, c. 1 mi by road from the base of the hills. c. 3/4 mi (air) SW of Mt. Rudolph. 604 Comment
  UCR107720  Euphorbia polycarpa A. C. Sanders 1997-3-1 19738 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  OBI14406  Euphorbia polycarpa var. hirtella Robert F. Hoover 1966-10-15 10157 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  UCR126434  Euphorbia polycarpa var. hirtella T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 51 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  SD255147  Euphorbia serpillifolia Duncan S. Bell 2015-9-30 8661 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCD142866  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7462 Riverside Joshua Tree National Mon., Cottonwood Canyon. 701 Comment
  UC22677  Eustoma exaltatum H. M. Hall 1901-8-10 2672 Riverside near Riverside Comment
  RSA391200  Fagonia laevis P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Deep canyon wash. Comment
  UCR104799  Fagonia laevis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2733 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR250113  Fagonia laevis A. C. Sanders, Clint Shock, Jose Aguiar 2014-3-6 40965 Riverside Sonoran (Colorado) Desert, along Box Canyon road c. 2.6 miles SW of I-10 junction, above the head of Box Canyon 435 Comment
  UCR75058  Fagonia laevis A. C. Sanders, E. J. Lawlor 1992-4-4 12086 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM259510  Fagonia pachyacantha E. C. Jaeger 1939-12-28 s.n. Riverside Eytel Canon branching from Fargo Canon, 5 mi. east Indio. Comment
  CAS-BOT-BC56785  Ferocactus cylindraceus P. A. Munz; I. M. Johnston 1922-5-7 5295 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR79472  Festuca arundinacea Steve Boyd 1993-5-12 7338 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  UCR225588  Festuca microstachys A. C. Sanders, T. B. Salvato 2011-3-29 38868 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR88299  Festuca microstachys A. C. Sanders, K. C. Rose 1995-4-5 16367 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR158273  Festuca myuros A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29500 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
  UCR213262  Festuca octoflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37453 B Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA0026299  Filago John F. Emmel 1991-4-28 1169 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  RSA500099  Filago arizonica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA585817  Filago arizonica D. L. Banks, Steve Boyd 1995-5-9 0352 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
  RSA336045  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52030 Riverside Chino Canyon Comment
  RSA475292  Filago depressa Steve Boyd, Sara Meury, R. Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2108 Riverside N. end of Palen Mtns, 2 mi west of Palen Pass. 300 Comment
  RSA775599  Filago depressa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 993 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR261411  Filago depressa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41432 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UC1123324  Forestiera pubescens A. Lewis Mar 1934 331 Riverside 2 mi ne Auburndale; Corona Quad. 121 Comment
  UC22591  Forestiera pubescens H. M. Hall 1898-6-28 951 Riverside 25 mi s Palm Springs (Vandeventer's); San Jacinto Mountains 1371 Comment
  UCR17335  Forestiera pubescens N. R. Zabriskie, W. W. Zabriskie 1971-8-20 426 Riverside Santa Rosa Mtns, Canyon above first turnout E side of Santa Rosa Mountain Road, 0.6 mi above Hwy 74 1524 Comment
  UCR216069  Fouquieria splendens Helen Kennedy, Fred R. Ganders 2008-4-9 6262 Riverside Sonoran (Colorado) Desert, c. 0.5 mi. from junction of Hwy 10 and Cottonwood Spring Road on dirt road to west, SE of Joshua Tree National Park 529 Comment
  SEINET11979961  Fouquieria splendens Unknown 1936-1 12826 Riverside Foothills of San Jacinto Mts. S of Palm Springs Comment
  SDSU181  Fragaria vesca Bruhns 1965-5-23 121 Riverside Along riverside Co. highway R-1, where it corsses Mill Creek, outside of Idyllwild. Damp, shady flat in Yellow PIne Forest. Comment
  CAS-BOT-BC53340  Frangula californica subsp. cuspidata H. E. McMinn 1925-7-2 1513 Riverside Tahquitz Trail - San Jacinto Mts. Comment
  SD229247  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-4-18 700 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UCR59803  Frankenia salina Jeri Hirshberg 1989-7-20 s.n. Riverside Vicinity of Lake Skinner: drainage west of dam Comment
  CLARK-A1656-658  Franseria ilicifolia Milton Walker 1978-1-17 Riverside Chuckwalla Mountains 274 Comment
  RSA262074  Fraxinus dipetala E. W. Lathrop 1966-3-23 6076 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  CAS-BOT-BC130239  Fritillaria biflora Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-29 3907 Riverside Vail Lake area, summit of 'Big' Oak Mtn 822 Comment
  UCR174037  Galium angustifolium A. C. Sanders 2006-5-19 32435 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
  UCR195705  Galium angustifolium A. C. Sanders, Tim Thomas 2008-8-1 35937 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  RSA607791  Galium angustifolium subsp. angustifolium R. S. Woglum 1941-6-14 3067 Riverside Peninsular Ranges: Santa Rosa Mountains [Riverside/San Diego counties]. Comment
  RSA612596  Galium angustifolium subsp. angustifolium C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Between Pine Flat Camp and Fuller's Mill. Comment
  LA208473  Galium angustifolium subsp. gracillimum Martha Hilend; 1930-6-27 612 Riverside Santa Ana River, near Leven lake Comment
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Mar 9 2014
  RSA682188  Galium angustifolium subsp. jacinticum LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1113 Riverside Black Moutain Road (4501), southeast of Black Moutain and northwest of Fuller Mill Creek. 2043 Comment
  RSA652667  Galium aparine Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
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May 20 2012
  HSC19819  Galium nuttallii subsp. nuttallii C. L. Hitchcock, C. V. Muhlick 1964-3-17 23104 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  UCR98074  Galium porrigens A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19896 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  POM14223  Galium stellatum Philip A. Munz, D. D. Keck 1922-4-9 4792 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  LA208440  Galium stellatum var. eremicum L. Haines; L. Erickson 1937-4-10 Riverside Palms to Pines Highway 2 mi above valley Comment
  RSA46491  Galium trifidum Doris K. Kildale 1925-7-28 1098 Riverside Riverside. 46 Comment
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Mar 22 2014
  RSA343109  Gastridium phleoides R. F. Thorne, Walter Wisura, Lathrop, Meury 1985-5-18 60647 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  RSA679069  Gastridium phleoides Scott D. White, Michael Honer 2003-6-3 9463 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  HSC5681  Geraea canescens L. S. Rose 1967-12-20 67183 Riverside 6 mi. SE, of Thousand Palms 15 Comment
  POM305628  Geraea canescens Henry J. Ramsey, Henry J. Ramsey 1937-2-26 871 Riverside Indio. Comment
  POM358678  Geraea canescens Geo Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA790966  Geraea canescens Aaron C. Sedgwick, David Fraker 2012-4-24 4 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  SEINET7910438  Geraea canescens P. L. Packard 1976-1 25 Riverside 6 mi W of Blythe on Interstate 10 Comment
  UCR33548  Geraea canescens Faulkner 1978-3-30 407 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  POM12711  Geranium californicum P. A. Munz 1922-7-6 5985 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 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
  UCR157430  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 185 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR160946  Gilia A. C. Sanders, K. C. Rose 1995-4-5 16381 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  JEPS29314  Gilia angelensis Rimo Bacigalupi and L. Heckard 1962-3-26 8410 Riverside just ne Alberhill (lower slopes of hills on e side Walker Canyon); e side Walker Canyon, ne of Alberhill 381 Comment
  UC52726  Gilia angelensis H. M. Hall 1902-4-18 2905 Riverside above Sage; above Sage Comment
  UCR230202  Gilia angelensis A. C. Sanders 2011-4-6 38989 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
  UCR97490  Gilia australis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19891 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA483575  Gilia capitata subsp. abrotanifolia D. Charlton 1988-5-21 1972 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  CAS-BOT-BC257174  Gilia diegensis Duncan S. Bell; Valentin Arvizu 2010-5-10 988 Riverside Peninsular Ranges; San Jacinto Mountains region: 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
  UCR237213  Gilia diegensis Duncan S. Bell, Valentin Arvizu 2010-5-10 988 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  RSA771781  Gilia modocensis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5034 -b 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
  RSA20018  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside East of Hemet 600 Comment
  UCR101590  Gilia scopulorum Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  JOTR35058  Gilia stellata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3510 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  JOTR35458  Gilia stellata Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 62 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  RSA27507  Gilia stellata I. L. Wiggins 1941-3-26 9661 Riverside Along wash at Wiley well. Comment
  UC64366  Glycyrrhiza lepidota H. M. Hall 1892-5-27 569 Riverside Rincon Comment
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Jul 22 2010
  RSA709450  Gnaphalium californicum T. B. Salvato, John Green 2004-5-27 708 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR59779  Gnaphalium luteoalbum Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, E end of Vail Lake, in 'draw down' area Comment
  POM48738  Gnaphalium palustre P. A. Munz, I. M. Johnston 1924-7-29 8821 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA560849  Gnaphalium palustre Steve Boyd, Tim Ross 1992-5-4 7175 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA612959  Gnaphalium palustre D. L. Banks 1997-3-29 1628 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
  UC896945  Gnaphalium palustre P. A. Munz 1922-9-6 6375 Riverside Hidden Lake San Jacinto Mts., Hidden Lake 2438 Comment
  RSA543828  Gnaphalium stramineum Steve Boyd, Orlando Mistretta 1991-5-22 6297 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  JOTR30314  Guillenia lasiophylla La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1747 Riverside Joshua Tree National Park. Stop # 3 Northwest end of Eagle Mountains, near road leading to Cottonwood Canyon. 898 Comment
  JOTR34396  Guillenia lasiophylla Andre, Jim 2012-4-16 20928 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA678115  Gutierrezia californica Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1061 -b Riverside Bautista Canyon, Bautista Canyon Road. 915 Comment
  UCR3585A  Gutierrezia californica O. F. Clarke 1970-10-28 s.n. Riverside Riverside, Botanic Gardens of the University of California, Riverside 396 Comment
  OBI16356  Gutierrezia sarothrae Robert F. Hoover 1966-10-15 10172 Riverside Dead Indian Canyon Comment
  UCR48339  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  UCR199717  Hedypnois cretica Scott D. White 2008-4-28 11913 Riverside San Gorgonio Pass, Banning, south of Hwy I-10 and just north of San Jacinto Mountains toe slope. East of Sunset Avenue 701 Comment
  UC32217  Helenium bigelovii H. M. Hall 1897-8-13 848 Riverside San Jacinto Mt. 1828 Comment
  CLARK-A1045-867  Helianthemum scoparium George K. Helmkamp 1978-6-1 #2 Riverside Santa Ana Mountains off of De Luz Road near [southeast of] Mesa de Burro; ; Murrieta 7.5'Q 487 Comment
  RSA78793  Helianthemum scoparium var. vulgare P. C. Everett, E. K. Balls, L. W. Lenz, George B. Everett 1952-7-1 17269 Riverside 7.1 mi. s.e. from Banning along hwuy to Idyllwild, San Jacinto Mts. Comment
  POM4823  Helianthus gracilentus I. M. Johnston 1918-5-30 2023 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  RSA33578  Helianthus gracilentus N. C. Cooper 1944-6-4 1366 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  SBBG8404  Helianthus niveus H. and M. Dearing 1942-3-21 4836 Riverside Cathedral City, near Palm Springs Comment
  RSA105846  Helianthus niveus subsp. canescens Richard Mallory 1955-4-6 477 Riverside Borrego Desert State Park. Borrego Valley 8 miles east of Christmas Circle. 152 Comment
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Feb 19 2013
  CLARK-A1528-246  Helianthus tuberosus Oscar F. Clarke 1969-9-28 Riverside Riverside Comment
  SEINET3083750 Image available Heliotropium curassavicum subsp. oculatum John Dean 1965-4-15 Riverside Palo Verde Valley, 5 miles north of Palo Verde on Highway 78 91 Comment
  JEPS38323  Hemizonella minima Carl V. Meyer 1929-6-16 761 Riverside slope s Saunder's Meadows; San Jacinto Mts. Comment
  POM4999  Hemizonia fasciculata Charlotte M. Wilder 1905-6-10 126 Riverside Jurupa Hills Mts. Comment
  UCR121173  Hemizonia fasciculata D. E. Bramlet 1989-5-21 1879 Riverside Lake Skinner area, Tucalota Creek drainage, in the center of the Tucalota Hills. 5,500 ft. (~1 mi.) east of 'Old' Warren Road. 482 Comment
  UCR140738  Hemizonia fasciculata A. C. Sanders 2004-5-11 27855 Riverside Elsinore Basin Region, Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  UCR220130  Hemizonia fasciculata D. E. Bramlet 1989-4-7 1824 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  RSA561418  Hemizonia kelloggii Steve Boyd, Tim Ross, D. Bramlet 1992-9-9 7691 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
  RSA92593  Hemizonia kelloggii J. C. Roos 1952-5-26 5713 Riverside Hass' Ranch. Reche Canyon. 457 Comment
  UCR137601  Hemizonia paniculata John F. Green 2004-7-6 s.n. Riverside Santa Ana River Valley, north end of Payton Ave., Riverside, near natural gas pipeline facility, above Santa Ana River 229 Comment
  POM12001  Hemizonia pungens subsp. laevis Mary F. Spencer 1921-5-29 933 Riverside San Jacinto 549 Comment
  UCR231753  Herniaria hirsuta subsp. cinerea John F. Green 2008-4-21 02- 07 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  RSA550339  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4649 Riverside Lowdesert: 0.5 mile S of I-10 along Wileys Well Road. Comment
  UCR20356  Hesperocallis undulata Don Emery 1980-3-28 s.n. Riverside Sonoran Desert, Riverside/Imperial Co. line on the E side of Salton Sea, vicinity of Bat Caves Buttes -30 Comment
  RSA585794  Hesperocnide tenella D. L. Banks, Steve D. Boyd 1995-5-9 421 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  RSA388318  Hesperolinon micranthum Steve Boyd 1986-5-7 1849 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  SEINET5641181  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  CLARK-A1045-1309  Heterocodon rariflorum George K. Helmkamp 1979-6-6 Riverside Wolf Valley Highway S16 south of Murrieta (road to Pala), mile 5; Pechanga 7.5'Q Comment
  SDSU13566  Heterotheca grandiflora W. Miller with C. Mosse 1972-7-13 Riverside West of M.W.D. Station. Comment
  SD237606  Heuchera elegans R. G. Swinney 1996-7-9 5040 Riverside San Gabariel Mountains: Sugarloaf Peak, easat and west summits and saddle between, south of Icehouse Canyon parking area (Mt. Baldy 7.45'Q) 2088 Comment
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Dec 13 2015
  UC11365  Heuchera hirsutissima H. M. Hall 1897-7-21 702 Riverside summit San Jacinto Mountains 3291 Comment
  UCR52415  Heuchera hirsutissima David Charlton 1988-5-28 2122 Riverside Santa Rosa Mtns, S of Hwy 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp area, S facing slopes, E side 2287 Comment
  UC63099  Hieracium horridum H. M. Hall 1897-8-11 814 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2438 Comment
  SEINET10760613  Hieracium horridum David B. Dunn 1946-8-17 Dunn 2725 Riverside Found 1.4 miles west of Hidden Lake, San Jacinto Mts. Comment
  JOTR36085  Hilaria rigida La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3312 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  RSA405282  Hoffmannseggia glauca J. S. Stubblefield 1934-9-12 s.n Riverside Between Desert Center & Blythe. 106 Comment
  RSA644302  Hoffmannseggia glauca A. C. Sanders 1992-4-5 12166 Riverside Colorado Desert: Chuckwalla Valley, Ford Dry Lake, N of I-10 at Ford Dry Lk. Rd., near site of Hopkins Well 109 Comment
  SBBG3331  Hoffmannseggia glauca H. and M. Dearing 1942-4-6 4867 Riverside ca. 1 to 3 mi E of Blythe Comment
  UC68515  Hoffmannseggia glauca H. M. Hall 1905-4-20 5829 Riverside Coachella; Colorado Desert -20 Comment
  UCR17645  Hoffmannseggia glauca Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, Ford Dry Lake, between Desert Center and Blythe 110 Comment
  SD21527  Hoffmannseggia microphylla Frank F. Gander 1938-5-21 5770 Riverside Shaver's Well Comment
  SDSU7779  Hoffmannseggia microphylla unknown 1952-4-27 Riverside Junction of All-American Canal and Highway east of Mecca. Comment
  UCD105854  Hoffmannseggia microphylla P. C. Everett; E. K. Balls 1958-4-29 22958 Riverside U.S. Highway 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy 99. 121 Comment
  RSA788348  Hoita macrostachya Linda M. Prince, Duncan S. Bell 2009-6-17 581 Riverside Cleveland National Forest. Comment
  SD137784  Hoita macrostachya Darin L. Banks, Victor Steinmann 1995-7-10 750 Riverside NW Palomar Mountains, Agua Tibia Mountains, Cleveland National Forest, along Wildhorse Trail south of lower Arroyo Seco, NW of Wildhorse Peak, in major drainage that flows off the NW flank of Wildhorse Peak 609 Comment
  SEINET6654711  Holcus lanatus Scott D. White, Justin M. Wood 2008-6-16 12108 Riverside San Jacinto Mountains, Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring.; 0 1540 Comment
  UCR121812  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24063 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  SEINET3258004 Image available Hordeum intercedens A. C. Sanders 2008-4-15 34886 Riverside Peninsular Range; NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding. 383 Comment
  UCR182376  Hordeum murinum Andrea Salzman, Carlos Navarro 2006-5-9 97 Riverside Peninsular Range, San Jacinto Mountain foothills, San Jacinto Wildlife Area, east of Davis Road near duck ponds 436 Comment
  CAS-BOT-BC284764  Hordeum murinum subsp. glaucum John Thomas Howell 1956-3-19 31117 Riverside San Jacinto Comment
  SBBG100515  Hordeum vulgare W. L. Halvorson 1977-1-4 77 -229 Riverside Corona Comment
  POM13652  Horkelia clevelandii Philip A. Munz 1922-6-23 5766 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  UC1051653  Horkelia clevelandii Peter Kamb 1950-7-9 1906 Riverside San Jacinto Mountains, Hall Canyon 1645 Comment
  JEPS68628  Horsfordia alata Marjorie D. Clary 1930-4-26 Riverside Coachella Coachella Valley Comment
  SEINET957330  Hosackia crassifolia N. Cooper 1944-1 1408 Riverside San Jacinto Mtn. Pine Cove. 1524 Comment
  CAS-BOT-BC312579  Hulsea vestita subsp. callicarpha Winifern W. Swarth 1914-9-15 s.n. Riverside Slope south of Round Valley, San Jacinto Mts. 2590 Comment
  LA203774  Hulsea vestita subsp. callicarpha Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  SBBG65752  Hulsea vestita subsp. callicarpha R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2590 Comment
  JOTR16600  Hymenoclea salsola Vanderspek & Youse 1964-4-19 64534 Riverside Joshua Tree National Park. WILSON CANYON Comment
  UC65036  Hypericum anagalloides H. M. Hall 1897-6-16 659 Riverside San Jacinto Mt. Comment
  POM254338  Hypochaeris glabra P. A. Munz 1941-5-18 16661 Riverside North end of Santa Rosa Ranch, Elsinore Mts. Comment
  RSA502895  Hypochaeris glabra Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  LA61528  Hyptis emoryi E. Braunton; January 1929 1023 Riverside Painted Canyon, Mecca 45 Comment
  RSA420154  Hyptis emoryi H. M. Hall 1902-04 2784 Riverside Coyote canyon 152 Comment
  RSA420160  Hyptis emoryi Gary D. Wallace 1964-4-26 s.n. Riverside Palm Springs. Comment
  UC484148  Hyptis emoryi Carl B. Wolf 1930-4-1 1498 Riverside near Cathedral City Comment
  UCR120713  Hyptis emoryi Helen Kennedy, T. B. Salvato 2002-2-2 5450 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  SEINET10836949  Hyptis emoryi David B. Dunn 1948-1-25 Dunn 3633 Riverside Found near quad 6 on the berkeley campus. Pushawalla canyon, indio hills of the colorado desert; w of indio Comment
  CDA5541  Ipomoea triloba T. C. Fuller 1962-10-2 9707 Riverside Palo Verde Valley; East side of Neighbors Boulevard to Ripley, 0.3 mile south of Highway 60. 0 Comment
  SD126162  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley, west side of Highway 86, 6.25 miles south of its junctiln with Highway 111 in Coachella. -35 Comment
  JEPS19097  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Indio Salton Basin -6 Comment
  OBI16008  Isocoma acradenia var. eremophila Louis C. Wheeler 1931-11-27 375 Riverside 5 me SE Mecca, Coorado Desert 61 Comment
  OBI74760  Isocoma acradenia var. eremophila Scott D. White 2006-3-29 11277 Riverside Colorado Desert: Eastern Coachella Valley a few mi E of Indio. Proposed I-10 fwy/McMaughton pkwy interchange, N of I-10 fwy Comment
  RSA24226  Isocoma acradenia var. eremophila C. B. Wolf 1941-1-5 9817 Riverside Colorado Desert, Caleb, (on S.P.R.R. siding) S. of Mecca. -61 Comment
  RSA754121  Isocoma acradenia var. eremophila W. Schlegel, Andrew Troutte Jordan, Jordan Zylstra 2008-9-4 20 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  SD229102  Isocoma acradenia var. eremophila Dick Schwenkmeyer 2012-11-6 869 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  SEINET3863769  Isoetes howellii Robert F. Thorne 1973-5-23 43852 Riverside Santa Rosa Plateau: Wet margin of large vernal pool N side of Mesa de Colorado.; 0 610 Comment
  RSA500162  Isolepis cernua Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3638 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  UC1324899  Isomeris arborea H. U. Stauffer and R. F. Thorne 1964-5-5 5922 Riverside 6.5 km s Morongo Valley (4.8 km s of county border) 550 Comment
  UCR189781  Juglans californica var. californica Theresa Johnson 2007-10-9 402 Riverside Peninsular Ranges, Perris-Aguanga basin, Estelle Mountain 498 Comment
  CAS-BOT-BC126766  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37160 Riverside Peninsular Range: Riverside, between UCR agricultural operations fields, along Iowa Ave. between University Ave. and M.L. King Blvd. 305 Comment
  CAS-BOT-BC413813  Juglans hindsii R. E. Riefner, Jr. 2014-10-1 14 -364 Riverside City of Lake Elsinore, S of Lincoln St., W of Hwy. 74 at Flannery St. 402 Comment
  SD237483  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37143 Riverside Peninsular Range: Box Springs Mountains Foothills: cultivated in UCR Botanical Garden (Riverside East 7.5'Q) 345 Comment
  JEPS66902  Juncus acutus subsp. leopoldii W. L. Jepson 1914-5-22 6041 Riverside e of Thousand Palms; Colorado Desert, Palm Canyon Comment
  RSA658937  Juncus balticus subsp. ater M. Duke, Christy Hightower, C. McElroy 1982-5-15 17 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  POM14372  Juncus bufonius Phillip A. Munz 1922-5-5 5160 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  UCR110922  Juncus bufonius A. C. Sanders, K. C. Rose 1999-6-18 22825 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR158140  Juncus bufonius A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30091 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
  UCR174315  Juncus bufonius A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32678 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road 549 Comment
  RSA69842  Juncus cooperi F. W. Peirson 1933-4-12 10634 Riverside Dos Palmas, northern Colorado desert 30 Comment
  RSA627509  Juncus macrophyllus Scott D. White 1998-7-31 6952 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  POM14184  Juncus mexicanus Phillip A. Munz 1922-5-18 5324 Riverside 3 miles south of Glen Ivy [now Glen Ivy Hot Springs]. Comment
  RSA515320  Juncus mexicanus Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau: S of town of Murrieta, S of Mesa de Burro and NW of Mesa de la Punta. 610 Comment
  RSA781383  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35623 Riverside May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  CAS-BOT-BC123242  Juncus tiehmii Barbara J. Ertter; Jeffrey L. Strachan 1979-6-26 2971 Riverside San Bernardino National Forest, San Jacinto Mountains 762 Comment
  RSA653175  Juncus torreyi Mitch Provance 2000-6-24 2076 Riverside Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 244 Comment
  RSA696125  Juncus torreyi A. C. Sanders, Mark A. Elvin, Jane Rodgers 2001-8-17 24598 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  POM319680  Juncus xiphioides Patricia Wilder 1971-3-20 4894 Riverside Santa Ana River. Santa Ana River Drainage Area. 244 Comment
  RSA44865  Juncus xiphioides J. C. Roos 1948-5-15 3837 Riverside Lost Palms Canyon, Eagle Mountains., Colorado Desert. Comment
  LA6549  Juniperus californica Harlan Lewis; 1939-10-22 1039 Riverside Santa Rosa Mountains, Pinyon Flats, Pines to Palms Highway 1219 Comment
  RSA336053  Juniperus californica Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52078 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  RSA356641  Juniperus californica Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47295 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  RSA604384  Juniperus californica L. C. Wheeler 1960-1-2 7671 Riverside Aguanga. In dry open flat. Comment
  RSA62011  Justicia californica F. W. Peirson 1935-2-22 s.n. Riverside Deep Canyon, about 1000 ft.[west margin Sonoran Desert, Santa Rosa Mtns. -SDW] 305 Comment
  UCSB7508  Justicia californica Haller, Norman 1953-5-24 Riverside 3 1/2 miles So. of Palm Springs, Indio Rd. on Hwy. 74, Riverside Co., California 152 Comment
  UCR188198  Kalanchoe tubiflora A. C. Sanders 2007-1-12 33276 Riverside Riverside; UCR campus, weed in UCR Botanical Garden cactus garden 351 Comment
  RSA780238  Kallstroemia californica Stephanie Rockwood, Christi Gabriel 2011-10-12 95 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  RSA0093775  Kallstroemia parviflora Duncan S. Bell 2015-9-30 8679 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  CAS-BOT-BC235503  Keckiella antirrhinoides Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  JEPS8733  Keckiella antirrhinoides I. W. Clokey and E. G. Anderson 1935-4-16 6885 Riverside e of Hemet (hillside along San Jacinto River) 600 Comment
  RSA16377  Keckiella antirrhinoides Percy C. Everett 1935-6-17 7142 Riverside Coldwater Can. , trail to Santiago Pk. 1/3 mi. above Glen Ivy Resort. 457 Comment
  CAS-BOT-BC235497  Keckiella antirrhinoides I. W. Clokey; E. G. Anderson 1936-4-16 6885 Riverside Along San Jacinto River, East of Hemet 600 Comment
  POM9667  Keckiella antirrhinoides Philip A. Munz, R. D. Harwood 1920-2-28 3255 Riverside 3 mi W. of Corona. 335 Comment
  CAS-BOT-BC236710  Keckiella antirrhinoides subsp. antirrhinoides H. E. McMinn 1925-7-1 1491 Riverside At base control to Idylwild, San Jacinto Mts. Comment
  RSA770688  Keckiella antirrhinoides subsp. antirrhinoides Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4814 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG50962  Keckiella antirrhinoides subsp. microphylla R. S. Woglum 1941-5-17 3038 Riverside Coyote Cyn Comment
  NY790419  Keckiella ternata subsp. ternata G. D. Wallace 1966-7-3 647 Riverside San Jacinto Mountains, near Idyllwild Comment
  SD146087  Koeleria gerardi Mitch Provance 1998-3-20 174 B Riverside Jurupa Mtns., pass west of Rattlesnake Mtn., near road, along the east side of Armstrong Rd., ca. 1/8 mi. S of the San Bernardino Co. line 313 Comment
  LA45676  Krameria bicolor Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, Morongo Pass Comment
  RSA409437  Krameria erecta N. R. Zabriskie, W. M. Zabriskie 1972-4-9 514 Riverside Northwest of Hwy 74, Deep Canyon drainage, Santa Rosa Mountains. 1220 Comment
  RSA776573  Krameria erecta Amber Swanson 2011-4-8 368 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA336190  Krameria grayi Robert F. Thorne, Walter Wisura, A. Shmida, Thomas W. Whitaker 1978-4-23 52011 Riverside Chino Canyon. Comment
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Apr 24 2011
  RSA0011202  Krameria grayi Martha Hilend 1928-4-15 171 Riverside Colorado Desert near Thousand Palms. Comment
  RSA0011208  Krameria grayi Roxana S. Ferris 1928-4-22 7196 Riverside Edge of mesa in the Colorado River opposite Parker. Comment
  UCR127565  Lagophylla ramosissima A. C. Sanders, T. B. Salvato 2003-5-21 26792 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
  UCR117347  Lamium amplexicaule Mitch Provance 1998-3-21 273 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', mesas below (SW of) the Ormand Quarry. 287 Comment
  RSA137466  Larrea tridentata David Gregory 1960-3-20 359 Riverside Rocky gully, 6 mi. E. of Thousand Palms. Comment
  RSA480026  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2149 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA650092  Larrea tridentata G. Kirstein 1962-4-28 s.n. Riverside Near Indio. Comment
  RSA703802  Larrea tridentata LeRoy Gross 2005-3-3 1595 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA12916  Lasthenia coronaria C. B. Wolf 1935-4-7 6306 Riverside 2 mi. SW of Perris. 427 Comment
  RSA583752  Lasthenia coronaria Steve Boyd 1995-4-24 8479 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail southeast of its junction with the Dripping Springs Trail. 609 Comment
  SJSU11845  Lasthenia coronaria K. W. Radford 1956-3-26 109 Riverside 5 mi S of Morongo Valley Comment
  UC1979572  Lasthenia coronaria Darin L. Banks, Steve Boyd 1995-5-9 0363 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  RSA550491  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-9 2220 Riverside 2.6 km west of Lake View and 15m to 100m east of the San Jacinto River and just west of an existing dirt access road. The site is approximatly 440m south of the MWD easment road. Comment
  RSA666587  Lasthenia glabrata subsp. coulteri A. C. Sanders, Sue Nash, Tom Paulek, et al. 2002-4-7 24903 Riverside San Jacinto Wildlife Area, west side of Davis Rd., just north of the old San Jacinto River channel (levee), 2.25mi. N of Lakeview. 434 Comment
  RSA644636  Lasthenia gracilis Scott D. White 1993-3-12 1144 Riverside San Jacinto Valley: between aqueduct and Warren Road. 457 Comment
  SD239602  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-4-1 38934 Riverside Peninsular Range: Lake Elsinore area, near Alberhill, Baker Street, SW side at dirt road crossing, c. 270 ft SE of intersection with Pierce Street (Lake Elsinore 7.5'Q) 384 Comment
  UCR214016  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37792 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
  RSA736550  Lathyrus laetiflorus Scott D. White, Angelia Carey 2004-7-2 10583 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA406616  Lathyrus vestitus subsp. alefeldii Anstruther Davidson 1897-03 408 Riverside Winchester Comment
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Mar 20 2011
  RSA510024  Lathyrus vestitus subsp. laetiflorus B. Pitzer, E. Misquez 1988-2-28 616 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  RSA1496  Lathyrus vestitus var. alefeldii J. T. Howell 1929-2-14 1233 Riverside Santiago Trail, above Glen Ivy Comment
  SD125949  Lathyrus vestitus var. alefeldii B. Pitzer, E. Misquez 1988-2-28 616 Riverside Walker Basin, SW of Murrieta, Avenida del Oro, 2 miles south of Rancho California Road, hilly area north of road 427 Comment
  SD8722  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-4-1 Riverside Temecula Comment
  POM361635  Layia glandulosa Ora M. Clark 1929-3-16 1696 Riverside South of Cabazon. Comment
  UCR178155  Layia glandulosa Jeffrey Ross, T. B. Salvato 1998-5-14 MOR- 140 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  CAS-BOT-BC379626  Layia platyglossa Carl B. Wolf 1935-4-7 6307 Riverside Gavilan Hills Region. 2 mi. SW of Perris, Rancho Santa Ana Botanic Garden 426 Comment
  OBI35674  Layia platyglossa Louis B. Ziegler 1967-2-20 109 Riverside San Jacinto Valley-valley floor near hills N of Lakeview 457 Comment
  RSA92258  Layia platyglossa F. W. Peirson 1922-5-19 3042 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
Read comments
Dec 16 2012
  UCSB46694  Layia platyglossa Reed, Susan 1977-03 Riverside On the left side of Cajalco Rd., 1.5 miles west of Lake Matthews 365 Comment
  RSA180322  Layia platyglossa subsp. campestris E. W. Lathrop 1960-4-8 4746 Riverside 14 miles W of Murrieta. Comment
  RSA69836  Leersia oryzoides J. C. Roos, L. Roos 1951-10-24 5345 Riverside Outlet of Fairmount Park Lake 259 Comment
  UCR89886  Lemna A. C. Sanders 1992-6-3 12343 Riverside Moreno Valley: March Air Force Base, west of I-215, undeveloped areas north of Van Buren Ave. 518 Comment
  UCR249064  Lemna gibba Scott D. White, Michelle Balk 2006-6-13 11511 Riverside Perris Basin, north Hemet area, west side of Warren Road, just north of intersection with Esplanade, between San Diego Canal and Warren Road 457 Comment
  CAS-BOT-BC534384  Lemna gibba G. R. Kleeberger 1878-12-29 s.n. Riverside Temescal Comment
  CAS-BOT-BC534385  Lemna gibba R. F. Thorne; E. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  RSA645547  Leonotis nepetifolia A. C. Sanders, G. Helmkamp 1995-12-5 17931 Riverside Riverside: weed in the yard of O.F. Clarke, 1012 Spruce St. near Canyon Crest DR. 305 Comment
  RSA736251  Lepidium dictyotum var. dictyotum Scott D. White, Justin Wood 2008-4-3 11798 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  CAS-BOT-BC89436  Lepidium fremontii Peter H. Raven 1958-3-15 11860 Riverside Joshua Tree National Monument. Smoketree Wash. Comment
  RSA0122715  Lepidium lasiocarpum Duncan S. Bell, LeRoy Gross 2016-3-30 9153 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA429925  Lepidium lasiocarpum Francis Fultz 17148 Riverside Colorado Desert. Comment
  UCR116598  Lepidium lasiocarpum A. C. Sanders 2001-4-8 23988 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR280924  Lepidium lasiocarpum subsp. lasiocarpum Fred M. Roberts 2016-3-5 7992 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  JOTR33733  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2733 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  RSA522272  Lepidium strictum Steve Boyd 1989-5-2 3518 Riverside City of Riverside. Residence at 4863 Rubidoux Ave. Comment
  UCR97755  Lepidium virginicum var. robinsonii A. C. Sanders 1997-3-1 19715 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA5364  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside Sandy bank at mouth of Whitewater Wash. 305 Comment
  RSA544322  Lepidospartum squamatum Steve Boyd 1991-9-8 6430 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  RSA697079  Lepidospartum squamatum J. R. Bruff 1927-11-24 4 Riverside Whitewater. Comment
  SEINET3196333 Image available Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), just N of Cedar and Moutain, NE end of Hemet. Comment
  UCR78662  Leptochloa uninervia Scott D. White 1992-9-11 796 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  POM3599  Leptodactylon californicum Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains. Comment
  UC1018188  Leptodactylon californicum J. Warren 1952-3-16 Riverside summit Ortega Highway; summit of Ortega Highway 762 Comment
  UCR66611  Leptodactylon pungens subsp. hallii H. M. Hall 1901-1 2130 Riverside Peninsular Range; San Jacinto Mountains, Santa Rosa Mountain, dry hillsides of Coyote Canyon 1524 Comment
Read comments
Jul 29 2010
  JOTR30239  Leptosiphon aureus subsp. aureus Leary, C. and Leary, Pat 1979-5-5 2987 Riverside Joshua Tree National Park. At the end of the Lower Covington Flats road, Joshua Tree National Monument Comment
  RSA73688  Leptosiphon ciliatus E. C. Jaeger 1921-7-12 5456 Riverside Dutch Flats, San Jacino Mts. Comment
  UCSB31638  Leptosiphon ciliatus Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  HSC85403  Leptosiphon lemmonii Steve Boyd 1986-4-19 1696 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  RSA586327  Leptosiphon parviflorus D. L. Banks, S. D. Boyd 1995-5-3 0192 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
  UCR280621  Leptosiphon parviflorus Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 09 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  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
  UCR202034  Lessingia filaginifolia Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  POM361807  Lessingia glandulifera var. glandulifera M. B. Dunkle 1933-7-21 3718 Riverside Idyllwild 1616 Comment
  UCR213683  Lewisia rediviva Justin M. Wood 2009-5-11 691 Riverside San Jacinto Mountains, Garner Valley, Quinn Flat area 1396 Comment
  RSA589075  Leymus condensatus D. L. Banks, Steve Boyd 1995-10-17 786 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  IRVC12874  Lilaea scilloides B. T. Gittins 1966-5-1 1272 Riverside Santa Rosa Plateau. Peninsular Ranges, Santa Ana Mountains Comment
  RSA3576137  Lilaea scilloides Robert F. Thorne 1973-5-23 43874 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA588184  Lilium humboldtii subsp. ocellatum Darin L. Banks, Victor Steinmann 1995-7-10 749 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  UCR131530  Limonium duriusculum Samuel Reed 2003-3-24 s.n. Riverside Temecula Valley, Murrieta, west bank of Warm Springs Creek, just east of the Jackson/Elm Street intersection, approximately one mile south of Murrieta Hot Springs Road, just before the creek flows under I -15 305 Comment
  UCR3376  Limonium sinuatum John Minnich 1964-2-22 64-2-22- 6 Riverside Jurupa Hills, Pedley, vacant lot at corner of Archer and Limonite Streets. 244 Comment
  RSA562495  Linanthus androsaceus subsp. luteolus Steve Boyd, T. S. Ross 1992-5-5 7241 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 793 Comment
  UC52868  Linanthus aureus H. M. Hall 1902-4-12 2836 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  RSA543152  Linanthus bigelovii Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6021 Riverside Vail Lake region, alluvial benches along Kolb Creek, S of Hwy 79 at Jtn w/ Woodchuck Rd. 494 Comment
  POM9011  Linanthus californicus P. A. Munz, R. D. Harwood 1920-3-20 3394 Riverside Glenn Ivy 335 Comment
  UC219592  Linanthus ciliatus P. A. Munz 1922-6-23 5765 Riverside Keen Camp San Jacinto Mts. 1524 Comment
  JEPS58350  Linanthus dianthiflorus W. L. Jepson 1935-4-17 19144 Riverside 1.5 mi n Elsinore Comment
  SEINET7073335  Linanthus dianthiflorus A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  POM65865  Linanthus dianthiflorus subsp. dianthiflorus H. M. Hall 1902-04 2942 Riverside Vicinity of Riverside 366 Comment
  RSA496473  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3092 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  UCR240621  Linanthus floribundus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 409 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  HSC82839  Linanthus jonesii A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6108 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  JOTR28880  Linanthus jonesii La Doux, Tasha 2004-2-24 1115 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  POM364714  Linanthus jonesii N. C. Cooper 1949-4-8 3319 Riverside Desert Center. 609 Comment
  RSA676060  Linanthus jonesii Scott D. White 2001-4-3 8247 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA769522  Linanthus lemmonii Duncan S. Bell, Valentin Arvizu 2010-5-10 975 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA752781  Linanthus liniflorus Scott D. White, Justin M. Wood 2009-5-21 12845 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR101468  Linanthus liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  UC52468  Linanthus parviflorus H. M. Hall 1898-4-14 Riverside Elsinore Mts. Comment
  JOTR33946  Linanthus pungens La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2835 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  LA206725  Linanthus pungens Elizabeth McClintock; 1936-7-27 sn Riverside San Jacinto Mountains, trail to Tahquitz Peak Comment
  UCR90409  Linanthus pygmaeus subsp. continentalis D. L. Banks, Steve Boyd 1995-5-9 406 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 738 Comment
  RSA0010983  Lithophragma affine N. C. Cooper 1944-5-21 1302 Riverside San Jacinto Mountains, west side. 915 Comment
  UCR60269  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3118 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  SEINET11988760  Lobularia maritima A. L. Moldenke, Moldenke, H. N. 1976-1 30576 Riverside Ledco Hills, on old Rt. 71 Comment
  JOTR35278  Loeseliastrum matthewsii Andre, Jim 2012-4-16 20977 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  RSA0040185  Loeseliastrum matthewsii Sarah J. De Groot, April Garbat 2013-3-27 6890 Riverside Along Highway 177 at the northwest foot of the Granite Mountains, south end of the Cadiz Valley. 396 Comment
  RSA562060  Loeseliastrum matthewsii Steve Boyd, C. Boyd, Kyle A. Boyd 1992-4-19 6923 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UCSB18164  Loeseliastrum schottii Day, Fran 1964-3-23 Riverside Ramon Road; 3 miles E of U.S. Highway 99 91 Comment
  RSA718570  Loeseliastrum schottii Michael Honer, L. Hulse 2004-4-3 1889 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  UC133154  Logfia arizonica Samuel B. Parish 1894-3-1 Riverside Colorado Desert Comment
  RSA757631  Logfia filaginoides LeRoy Gross, Jacqueline McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4323 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA775384  Logfia filaginoides Duncan S. Bell 2011-4-10 2246 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  SEINET11448059 Image available Logfia filaginoides H. M. Hall 3786 Riverside Vicinity of Riverside in the Upper Sonoran Zone 366 Comment
  RSA511058  Lolium perenne Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UCR54310  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
  RSA192222  Lolium perenne subsp. multiflorum E. W. Lathrop 1960-5-6 4792 Riverside 10 miles west of Murrieta. Comment
  UCR158502  Lomatium lucidum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30023 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR63510  Lomatium lucidum Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  JOTR32144  Lomatium mohavense La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2300 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  UC80920  Lotus crassifolius var. crassifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  JEPS55435  Lotus grandiflorus W. L. Jepson 1901-5-19 1286 Riverside Strawberry Valley Mt. San Jacinto Comment
  UCR178018  Lotus grandiflorus Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 526 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR277289  Lotus grandiflorus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3769 Riverside San Jacinto Mountains, San Jacinto River Canyon, lower part of the South Fork Trail (FSR 2E17) close to the San Jacinto River 1195 Comment
  RSA715069  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 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
  SEINET3696056 Image available Lotus heermannii B. Ertter, J. Strachan 1979-6-26 2988 Riverside Banning-Idyllwild Road at Black Mtn turnoff, San jacinto Mts Comment
  UC667261  Lotus humistratus Annie M. Alexander and Louise Kellogg 1941-5-15 2185 Riverside n slope Eagle Mountains; Colorado Desert Comment
  UCR225579  Lotus humistratus A. C. Sanders, T. B. Salvato 2011-3-29 38876 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  JEPS55538  Lotus nevadensis var. nevadensis W. L. Jepson 1903-8-7 2287 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
  POM48827  Lotus nevadensis var. nevadensis P. A. Munz, I. M. Johnston 1924-7-28 8797 Riverside Pine Flats 1738 Comment
  POM2464  Lotus oblongifolius H. M. Hall 1901-07 2380 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  LA47945  Lotus oblongifolius var. oblongifolius Carl Epling; William Robison 1935-6-30 sn Riverside Mt. San Jacinto, between Pine Flat Camp and Fuller's Mill Comment
  UCR135983  Lotus purshianus A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27905 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  UCR82615  Lotus purshianus A. C. Sanders, O. F. Clarke, M. Alexander 1994-1-1 14225 A Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UC219551  Lotus purshianus var. purshianus P. A. Munz 1922-7-4 5968 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  POM13048  Lotus rigidus P. A. Munz, D. D. Keck 1922-4-9 4847 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  POM1917  Lotus rigidus I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Comment
  POM158595  Lotus salsuginosus G. R. Vasey 1880-06 126 Riverside Temecula Comment
  UC15613  Lotus salsuginosus var. brevivexillus W. G. Wright 1890-1 1755 Riverside Colorado Desert Comment
  SEINET8721513 Image available Lotus scoparius Jean Coulson 1959-1 87 Riverside Box Spring Mts., .7 mi. N of Blane on Mt. Vernone W. of quarry, 10yrds. 1 Comment
  UCR187500  Lotus scoparius subsp. brevialatus Theresa Johnson 2006-5-11 098 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  RSA406895  Lotus scoparius var. brevialatus N. C. Cooper 1944-4-8 1058 Riverside Andreas Canyon. 305 Comment
  JOTR31054  Lotus strigosus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2037 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  RSA583367  Lotus strigosus Steve Boyd, Darin Banks 1995-4-5 8431 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UC1286987  Lotus strigosus C. L. Hitchcock 1966-3-20 24316 Riverside 5 mi n Milpitas Wash (and 12 nw of Blythe-Glamis road) Comment
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Mar 2 2013
  SEINET2062441 Image available Lotus strigosus var. tomentellus B. Pitzer, L. LaPre 1987-3-2 437 Riverside Bundy Canyon ca. 2 mi SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd., off Raciti Rd. (Romoland 7.5 Quad) 701 Comment
  UCR279413  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2017-3-25 42989 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  RSA670676  Lotus wrangelianus B. C. Templeton, I. W. Clokey 1930-4-9 1026 Riverside North of Banning 457 Comment
  UCR120847  Lotus wrangelianus D. E. Bramlet 1993-4-12 2320 Riverside Lake Mathews; 46 m north of Cajalco Rd. at a point 762 m east of La Sierra Ave., NW of Siegal Ranch Road 427 Comment
  RSA414451  Lupinus argenteus var. tenellus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SD48478  Lupinus arizonicus E. K. Balls, P. C. Everett 1958-3-20 22937 Riverside South base of Eagle Mountains, US Hwy 60/70 366 Comment
  UC199855  Lupinus arizonicus G. B. Grant 1906-4-20 6783 Riverside Palm Spring; Southern California Comment
  UCR142845  Lupinus arizonicus N. C. Cooper 1944-4-8 1083 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 305 Comment
  UCR165300  Lupinus arizonicus John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  UCR89579  Lupinus arizonicus George K. Helmkamp 1994-3-8 41 14 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  POM305804  Lupinus bicolor Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1055 Riverside Elsinore. Comment
  RSA757746  Lupinus bicolor LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4348 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SD51696  Lupinus bicolor David Dunn 1941-3-29 932 Riverside 2.0 miles west of Corona. Comment
  UCR228740  Lupinus bicolor A. C. Sanders, T. B. Salvato 2011-3-28 38815 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR251964  Lupinus bicolor Max Brodie 2014-4-20 28 Riverside Peninsular Range; Santa Ana Mtns., SW of Lake Elsinore, off South Main Divide Rd. roughly 3 miles south of Hwy 74 851 Comment
  UCR97489  Lupinus bicolor A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19868 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  POM350056  Lupinus bicolor subsp. microphyllus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SEINET238181  Lupinus concinnus George K. Helmkamp 1998-6-27 4097 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  SEINET7358736  Lupinus concinnus L. Haines 1937-4-9 s.n. Riverside Pasture one mile west of San Jacinto, California;; 0 Comment
  UCR153670  Lupinus concinnus Scott D. White 1999-5-24 7388 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR154741  Lupinus concinnus T. B. Salvato, Kent Beaman 2005-5-16 776 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
  UCR241221  Lupinus concinnus Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1010 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  RSA407141  Lupinus concinnus subsp. optatus N. C. Cooper 1944-6-16 1435 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  LA205095  Lupinus excubitus W. E. Pequegnat; 1939-4-8 27 Riverside Santa Ana Mountains Comment
  JEPS122470  Lupinus excubitus var. austromontanus J. M. Andre 2012-6-15 30538 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  POM125537  Lupinus excubitus var. austromontanus R. Weatherby 1949-6-6 663 Riverside Santa Rosa Mountain. 1982 Comment
  RSA585744  Lupinus excubitus var. hallii D. L. Banks, S. D. Boyd 1995-5-9 0408 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  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
  SBBG69088  Lupinus formosus Mrs. J. D. Wright 1929-6-25 Riverside Idyllwild Comment
  SDSU12852  Lupinus hirsutissimus Janet M. Knotts, Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998G Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet s.w. on road to switchback, northwest of bend in road. 262 Comment
  UCR137096  Lupinus microcarpus var. densiflorus June Latting 1958-4-13 s.n. Riverside San Gorgonio Pass, White Water 415 Comment
  UCR35023  Lupinus microcarpus var. densiflorus L. B. Ziegler 1967-4-18 114 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  UCR90607  Lupinus microcarpus var. densiflorus Scott D. White 1995-6-29 3391 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA21756  Lupinus shockleyi Carl B. Wolf 1937-4-6 8428 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  UC126990  Lupinus sparsiflorus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UC1292300  Lupinus sparsiflorus C. L. Hitchcock and C. V. Muhlick 1964-3-22 23252 Riverside gravelly side canyon near s. entrance to Joshua National Monument (Joshua National Monumnet) Comment
  UCR272436  Lupinus sparsiflorus Cheryl Sevilla, Sarah J. De Groot 2015-3-18 040 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2.2 air miles north of the Whitewater Preserve Ranger Station, hillside east of the Whitewater River drainage 885 Comment
  RSA414271  Lupinus sparsiflorus subsp. sparsiflorus N. C. Cooper 1944-4-22 1119 Riverside Banning. 701 Comment
  UCR199629  Lupinus truncatus Scott D. White 2004-4-26 10253 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR97448  Lupinus truncatus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19867 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  CAS-BOT-BC231419  Lycium andersonii Mrs. R. W. Campbell 1922-3-6 35 Riverside Palm Springs Comment
  RSA422107  Lycium andersonii M. B. Dunkle 1935-3-31 4442 Riverside Cottonwood Springs. Colorado Desert 701 Comment
  UCR175184  Lycium andersonii Jim Andre 2006-4-26 6780 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  UCR95235  Lycium andersonii D. L. Banks 1996-5-13 1022 Riverside Agua Tibia Mtns, NW Palomar Mtns; Foothills south of Hwy 79; east of Dripping Springs Campground; Approx. 2.1 km east of the Dripping Springs Guard Station, south of the jct between the Vail Lake Marina Road and Hwy 79, just north of the Cleveland National Forest Boundary 473 Comment
  RSA450762  Machaeranthera asteroides var. asteroides J. C. Roos 1965-10-5 s.n. Riverside Hemet. Comment
  IRVC27407  Machaeranthera canescens A. C. Sanders, Scott D. White, C. L. Sanders 1994-12-18 15897 Riverside eastern edge of San Jacinto, Mountain Avenue at Esplanade Avenue, 2.4 mi. NW of Hwy 74 on Mountain Ave. San Jacinto Valley 490 Comment
  CLARK-A1528-2000  Machaeranthera cognata John C. Roos 1949-4-6 4138 Riverside Orocopia Mountains Comment
  UCR34958  Madia elegans subsp. wheeleri L. B. Ziegler 1968-6-12 312 Riverside San Jacinto Mtns, Thomas Mtn 1982 Comment
  CAS-BOT-BC230890  Malacothamnus davidsonii Edith A. Purer 1935-4-21 6472 Riverside East slope of San Jacinto Mt. Comment
  CAS-BOT-BC203973  Malacothamnus fasciculatus Lester Rowntree 1937-11-6 s.n. Riverside Pines to Palms Comment
  RSA0087584  Malacothamnus fasciculatus R. S. Woglum 1937-10-20 1192 Riverside Santa Rosa Mts. 1524 Comment
  UCR23077  Malacothrix clevelandii W. W. Mayhew 1981-5-23 s.n. Riverside San Jacinto Mtns, Hwy 243, 2 mi south of Banning 793 Comment
  CHSC23880  Malacothrix glabrata T. M. Lane 1975-3-24 7 Riverside 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. Mojave Desert. 533 Comment
  SBBG66070  Malacothrix glabrata A. J. McClatchie -May-1892 Riverside Elsinore Comment
  UC68990  Malacothrix glabrata H. M. Hall May, 1905 6028 Riverside near Pinto Mts.; Colorado Desert Comment
  UC68994  Malacothrix glabrata H. M. Hall April, 1905 5878 Riverside Chuckawalla Bench Colorado Desert Comment
  UCR245960  Malacothrix glabrata Duncan S. Bell 2009-3-8 69 Riverside Arica Mountains, north tip of range, c. 3 air miles NW of Priest Well, or c. 5.5 air miles SW of ghost town of Rice 404 Comment
  UCD116864  Malosma laurina R. Tofsrud 1951-4-25 s.n. Riverside Corona to Elsinore. Comment
  UCR38238  Malva nicaeensis Steve Boyd 1980-4-23 s.n. Riverside Intersection of Jurupa Road and Galena Road, Glen Avon Comment
  UCR275221  Malvella leprosa A. C. Sanders, Karen Kirtland 2016-9-23 42630 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  CAS-BOT-BC56808  Mammillaria tetrancistra Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR88294  Mammillaria tetrancistra A. C. Sanders, K. C. Rose 1995-4-5 16378 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA556485  Marah macrocarpa Julie Greene 1993-3-13 1049 Riverside West of Poleline Rd. 457 Comment
  SD190351  Marah macrocarpa A. C. Sanders 2004-4-20 27525 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego County line. 640 Comment
  UCD107542  Marah macrocarpa Raymond A. Evans 1999-3-10 s.n. Riverside North of Palm Springs, canyon west of White Water Canyon. 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
  CAS-BOT-BC216178  Marina parryi C. L. Hitchcock 1932-4-7 12205 Riverside sandy wash, Corn Springs, eastern Riverside County Comment
  UCR72171  Marina parryi Theo Glenn 1991-5-7 91- 94 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  SEINET10489470  Marina parryi Noel H. Holmgren, Patricia K. Holmgren 1973-3-21 Holmgren 6426 Riverside Big maria mtns, 12 airline mi n of downtown blythe. T4s, r22e, sec 35. Locally Common gravelly wash bank. Wings and keel purple, the banner yellow, turning Red. 290 Comment
  UC25353  Marrubium vulgare Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  RSA0119894  Matelea parvifolia Duncan S. Bell, Thomas Stoughton 2016-4-12 9222 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 775 Comment
  UCR246459  Matricaria occidentalis R. E. Riefner Jr. 2012-3-31 12- 65 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  RSA522297  Melia azedarach Steve Boyd 1989-7-7 3767 Riverside Upper Temescal Canyon at SE end of Alberhill Mtn. S of I-15 at Nichols Rd. exit. Comment
  CAS-BOT-BC281603  Melica imperfecta Frank W. Gould 1944-4-4 2207 Riverside 12 miles S of Corona on road to Elsinore Comment
  HSC79631  Melica imperfecta Paul Bailey 1972-5-14 132 Riverside 5 mi. SE of Temecula, Hwy. S 16, Pechanga Canyon. 671 Comment
  SBBG53765  Melica imperfecta S. Boyd 1980-5-11 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau; NE of trailer park, E of Gavilan Rd 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
  UCR177825  Melica imperfecta S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., Reed Valley at beginning of powerline trail to Juan Diego Flats, NW of Cahuilla Mountain 1037 Comment
  UCR92655  Melica imperfecta G. P. Schultz 1994-4-7 89 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  SDSU19220  Melilotus albus Kristen Hasenstab, Dave Bailey 2008-8-7 185 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. Growing 1-3m from the edge of the river. 215 Comment
  UC1979616  Melilotus indicus D. L Banks, Steve Boyd 1995-5-3 0188 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
  RSA381081  Mentha spicata Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61180 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  SEINET3094596 Image available Mentzelia Norman C. Cooper 1949-4-8 3345 Riverside Blythe. Comment
  SD260065  Mentzelia albicaulis J. Andre 2012-4-11 20778 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky hills and large wash. 729 Comment
  UC1929461  Mentzelia desertorum Scott D. White 2001-4-12 8307 Riverside COLORADO DESERT: Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. Comment
  RSA440426  Mentzelia involucrata T. W. Minthorn 1926-5-14 s.n. Riverside Near Indio, Colorado Desert. Comment
  RSA69582  Mentzelia involucrata F. W. Peirson 1922-4-9 753 Riverside Palm Canyon stream near Alkali Canyon, Riverside County Comment
  SBBG28080  Mentzelia involucrata D. Myrick 1964-4-30 831 Riverside Pines to Palms Hwy 74, 12 mi W of Palm Desert 1066 Comment
  SBBG69259  Mentzelia involucrata L. Rowntree 1930-4-12 Riverside Morongo Cyn Comment
  UC1922495  Mentzelia involucrata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10892 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. Comment
  UC809708  Mentzelia involucrata E. K. Balls 1949-4-2 12896 Riverside between Mecca (Mortmar on Highway 111, on stony flats) 60 Comment
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Jun 24 2012
  RSA440400  Mentzelia involucrata var. megalantha Robert Gustafson 1980-4-3 1521 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  UCR166291  Mentzelia jonesii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  SD62566  Mentzelia longiloba var. longiloba W. D. Asserson Mar 1966 Riverside Big Maria Mountains, Point, Quien Sabe, 20 miles north of Blythe 149 Comment
  RSA0035678  Mentzelia montana A. C. Sanders, Timothy W. Chumley 2013-4-5 40770 Riverside Temescal Canyon, 10 miles south of Corona, near El Hermano Rd., NW of Corona (Lee) Lake and SE of Glen Ivy 313 Comment
  UCR22118  Mentzelia montana Steve Boyd 1980-5-15 279 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  RSA446831  Mentzelia obscura N. C. Cooper 1949-4-8 3303 Riverside Desert Center. 610 Comment
  CAS-BOT-BC435294  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 378 Comment
  CAS-BOT-BC435295  Mesembryanthemum nodiflorum A. C. Sanders; K. C. Rose 1998-5-21 21853 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
  RSA524413  Microseris heterocarpa Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4105 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
  RSA85097  Microseris heterocarpa J. C. Roos 1952-4-2 5457 Riverside at Edgemont, near Box Springs 488 Comment
  RSA180438  Microseris lindleyi E. W. Lathrop 1965-5-9 5720 Riverside 6 miles W of Murrieta. Comment
  UCR162277  Microseris lindleyi S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR180042  Microseris lindleyi Mitch Provance 2005-5-18 9813 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR21901  Microseris lindleyi Steve Boyd 1980-5-5 203 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR88423  Microseris lindleyi A. C. Sanders, K. C. Rose 1995-4-5 16360 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA192069  Mimulus aurantiacus var. pubescens E. W. Lathrop 1965-4-4 5638 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA504541  Mimulus aurantiacus var. puniceus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  UCR241958  Mimulus aurantiacus var. puniceus A. C. Sanders, John F. Green 2012-3-21 39981 Riverside Peninsular Range; Gavilan Hills, Good Hope area, along powerlines south of the dirt extension of Ethanac Rd. and north of Eugene St., near S end of Richland Ln. 494 Comment
  SEINET187379  Mimulus bigelovii var. bigelovii P. A. Munz 1940-3-23 15719 Riverside 3 mi N of Cottonwood Springs Eagle Mts 914 Comment
  UC68709  Mimulus bigelovii var. bigelovii H. M. Hall Apr. 1905 5862 Riverside Canyon Springs Colorado Desert Comment
  UCR22483  Mimulus bigelovii var. bigelovii C. S. Jones 1979-3-27 49 Riverside Sonoran (Colorado) Desert, Near unnamed dirt road approximately 5 mi north of I-10 and 4 mi west of Desert Center 412 Comment
  CLARK-A1045-336  Mimulus brevipes George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  UCR30843  Mimulus breweri A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3871 Riverside San Jacinto Mtns, Black Mountain: Forest Road 4S01, 3.9 mi above Hwy 243 2012 Comment
  UCR145962  Mimulus cardinalis June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  RSA561064  Mimulus diffusus Tim S. Ross 1993-5-12 7349 Riverside Southern Santa Ana Mountains, San Mateo County Wilderness area. San Mateo Canyon,, along stream bed and adjacent to benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 365 Comment
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Dec 5 2014
  RSA731022  Mimulus diffusus M. Wall 2008-4-13 445 Riverside San Jacinto Valley, Santa Rosa Hills, Simpson Park 750 Comment
  POM301478  Mimulus floribundus J. C. Roos 1937-5-10 2330 Riverside Anual in moist spot in hills west of Perris. Comment
  RSA296183  Mimulus floribundus Barry A. Prigge 1980-8-5 3821 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UC1922190  Mimulus floribundus Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1778 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA447956  Mimulus guttatus E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UC922770  Mimulus nasutus Annie M. Alexander and Louise Kellogg 1940-3-21 885 Riverside 20 mi s Twenty Nine Palms (at base of Barker Dam); Mohave Desert 1322 Comment
  RSA543841  Mimulus palmeri Steve Boyd, Orlando Mistretta 1991-5-22 6304 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR67357  Mimulus palmeri Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4007 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  UCR155304  Mimulus pilosus A. C. Sanders 2005-5-4 29841 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UC886389  Mimulus tilingii Carl B. Wolf 1932-8-5 3954 Riverside meadow on trail from Tahquitz Valley to San Jacinto Peak (head of a fork of Tahquitz Creek); San Jacinto Mts., 1st Real 2743 Comment
  POM17816  Minuartia douglasii P. A. Munz 1923-6-14 7086 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  CAS-BOT-BC434680  Mirabilis laevis var. crassifolia Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  RSA614675  Mirabilis laevis var. crassifolia Scott D. White 1993-3-12 1163 Riverside Near Winchester. Comment
  JOTR34030  Mirabilis laevis var. retrorsa La Doux, Tasha, M. Harding 2010-4-7 2916 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  POM294052  Mirabilis laevis var. retrorsa Lyman Benson 1945-3-29 11623 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  RSA464243  Mirabilis laevis var. villosa N. C. Cooper 1945-5-6 2257 Riverside Banning. 701 Comment
  UC1922765  Mirabilis laevis var. villosa Scott D. White, Brian Leatherman 2005-5-4 11011 Riverside SONORAN DESERT: Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Cana. Thermal Canyon 7.5' Quad. Comment
  RSA450530  Mohavea confertiflora Barry A. Prigge 1988-2-21 7846 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  RSA517244  Mohavea confertiflora Steve D. Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1335 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  UC1063092  Mohavea confertiflora H. S. Yates 1937-3-23 6429 Riverside Painted Canyon 121 Comment
  CAS-BOT-BC215453  Monardella linoides subsp. linoides H. M. Hall 1897-7-30 758 Riverside 20 mi. south of Palm Springs, Eastern base, along the borders of the Colorado Desert, San Jacinto Mountains Comment
  LA96110  Monardella nana Elizabeth McClintock; 1941-7-15 117 Riverside San Jacinto Mountains, on the Idyllwild road, a short distance below the Keen Camp turn off in the canyon where the Pseudotsugas first occur Comment
  UC1499879  Monardella nana Elizabeth McClintock 1940-10-19 Riverside San Jacinto Mts. trail to Tahquitz Peak a short distance beyond fork in trail going to Hidden Lake Comment
  UC1499907  Monardella nana Elizabeth McClintock 1941-6-8 66 Riverside 0.2 mi east of Ribbonwood Camp, Pines to Palms Highway Comment
  CHSC67964  Monardella nana subsp. nana Alison Graff 1993-6-24 M- 15 Riverside San Bernardino National Forest, Santa Rosa Mtn. 1.4 mi down Santa Rosa Mtn. Rd. (FS 7S02) from Santa Rosa Camp. Comment
  RSA750305  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 120 Riverside San Jacinto Mts. Devil s Slide trail. Comment
  POM363586  Monoptilon bellioides E. C. Jaeger 1922-4-2 s.n. Riverside Box Canon near Mecca Comment
  CAS-BOT-BC444628  Montia chamissoi H. M. Hall 1901-7-1 2362 Riverside San Jacinto Mountains. In meadows or along creeks of Tamarack Valley 2743 Comment
  UCD86835  Muhlenbergia microsperma G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2731 Riverside Colorado Desert: Chuckwalla Mts; 10.6 mi SSW of Chuckwalla Valley Rd. on Graham Pass Rd. Comment
  SEINET10599984  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross; Laurel Arnseth 1990-3-29 Boyd 3840 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Cyn and adjacent benches on S flank of "Big" Oak Mtn. T8S R1W S5 SE1/4 NE1/4, S4 SW1/4 NW1/4. E side of ridge burned, W side w/Salvia Artemisia, Ceanothus crassifolius. 396 Comment
  SEINET186323 Image available Muhlenbergia richardsonis Philip A. Munz 1938-8-14 15347 Riverside Virgin Spring Santa Rosa Peak. 2286 Comment
  RSA85577  Muilla maritima J. C. Roos 1952-4-2 5456 Riverside At Edgemont near Box Springs. 488 Comment
  CLARK-A1528-3868  Myosurus minimus subsp. apus John C. Roos 1952-4-9 5515 Riverside Edgemont 487 Comment
  UCR75553  Myosurus minimus subsp. apus A. C. Sanders 1993-5-12 14009 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UC700956  Nama demissa var. demissa Aven and Ruth Nelson 1939-3-29 3322 Riverside between Mecca and Hidden Springs; between Mecca and Hidden Springs Comment
  RSA23266  Nama demissa var. deserti Ernest Braunton 1940-03 2035 Riverside Berdoo Canyon. Comment
  POM10017  Nassella cernua C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
  JEPS75681  Nassella lepida W. L. Jepson 1935-4-21 17163 Riverside Wisser Valley Comment
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Apr 7 2009
  RSA587425  Nassella lepida D. L. Banks, Steve Boyd 1995-6-2 569 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;, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  SEINET223727  Nassella lepida Mary E. Barkworth 1981-5-6 3092 Riverside Pinyon Ridge off CA 74 just east of NIghtingale Comment
  SEINET270217  Nassella lepida Scott White 1994-6-21 2083 Riverside Santa Gertrudis Creek about 1 mile east of Skunk Hollow (Batchelor Mountain Quad) 396 Comment
  RSA192229  Nassella pulchra E. W. Lathrop 1960-4-28 4767 Riverside 14 miles west of Murrieta Comment
  RSA660533  Navarretia atractyloides Orlando Mistretta 1992-6-10 527 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA73148  Navarretia fossalis F. W. Peirson 1922-5-19 4242 Riverside 5 miles northeast of Murrieta on road to Perris Comment
  CLARK-A1528-709  Navarretia intertexta Ruth Cooper 1941-6-8 71 K Riverside Comment
  RSA356986  Navarretia prostrata R. F. Thorne 1973-5-23 43867 Riverside Santa Rosa Plateau-Mesa De Colorado. 609 Comment
  POM122137  Nemacaulis denudata var. gracilis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA0123377  Nemacladus Duncan S. Bell, Thomas Stoughton 2016-4-14 9297 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
  UCR18530  Nemacladus longiflorus var. longiflorus A. C. Sanders 1978-6-20 00259 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  RSA0126449  Nemacladus longiflorus var. longiflorus Mary F. Spencer 1921-7-7 1661 Riverside Tahquitz Trail. Idyllwild. San Jacinto Mtns region. 1829 Comment
  UCR20718  Nemacladus ramosissimus A. C. Sanders, Steve Boyd 1980-5-2 1438 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SBBG81481  Nemacladus rubescens S. A. Junak 1983-3-24 1664 Riverside near Pinto Basin Rd, 2.1 mi N of Interstate 10 563 Comment
  UC1563074  Nemacladus tenuis var. aliformis Steve Boyd and Orlando Mistretta 1986-3-13 1460 Riverside ne of Desert Center (w side of Palen Mts, upper bajada at base of range); Palen Mts. Comment
  CAS-BOT-BC416316  Nemacladus tenuis var. tenuis A. C. Sanders; K. C. Rose 1995-4-27 16731 Riverside Sonoran (Colorado) Desert: Coachella Valley, foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park 548 Comment
  RSA0003796  Nemophila bakeri C. F. Baker 1903-4-4 4123 Riverside Elsinore. Comment
  SD181486  Nemophila menziesii Scott D. White 2000-4-12 7644 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. 1616 Comment
  SD247444  Nemophila menziesii T. B. Salvato, John Lovio 2013-3-19 7350 Riverside Perris-Aguanga Basin: Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive (Murrieta 7.5'Q) 390 Comment
  UC1537401  Nemophila menziesii Gordon H. True Jr. 1935-2-22 11 Riverside Mockingbird Canyon 457 Comment
  SEINET7063438  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage in Tucalota Valley on East Benton Road. UTM Zone 11, 501405mE, 3715115mN. (WGS84/NAD83). 561 Comment
  RSA772851  Nerium oleander Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4840 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA0060122  Nicotiana clevelandii Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  UC2015641  Nicotiana glauca Scott D. White 1996-2-18 3805 Riverside Parris Basin, W Riverside Co. Double Butte, NW of Winchester. SE-facing slope of W. butte. Comment
  UCR180600  Nicotiana glauca Scott D. White, Angelia Carey 2004-4-5 10015 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA662146  Nicotiana glauca Stephen Hill 1981-2-16 34 Riverside Coal Canyon behind horse stables on N side of the 91 freeway. Comment
  RSA450077  Nicotiana obtusifolia J. C. Roos 1966-2-5 s.n. Riverside Pushawalla Wash near 1000 Palms, Indio Hills. Comment
  UC170128  Nicotiana obtusifolia E. E. Schellenger 1894-12-3 91 Riverside Chuckwalla Wash; Colorado Desert Comment
  UCR139647  Nicotiana quadrivalvis A. C. Sanders 2004-6-30 28386 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR214685  Nicotiana quadrivalvis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37671 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 366 Comment
  UCR87882  Nicotiana quadrivalvis E. N. Anderson 1994-4-20 s.n. Riverside Box Springs Mtns, Two Trees Canyon, above Cassina Spring Comment
  GMDRC5194  Nolina bigelovii Mike Heaney 2010-5-23 1119 Riverside Old Woman Mountains: northern end of range in canyon just south and east of Enterprise Mine 1077 Comment
  SEINET10389838  Nolina bigelovii A. C. Sanders, Jim Malusa 2015-9-12 41883 Riverside Chocolate Mountains Aerial Gunnery Range, just south of Bradshaw Trail, c. 2.4 km west of the Dupont Rd. junction 749 Comment
  CAS-BOT-BC131887  Nolina parryi C. B. Wolf 1931-5-11 1949 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  LA22817  Nolina parryi C. B. Wolf; 1931-5-11 1949 Riverside San Jacinto Mountains, above Hemet Valley, near Pipe Creek Comment
  RSA0119899  Nolina parryi Duncan S. Bell, Thomas Stoughton 2016-4-12 9229 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  SD81343  Notholaena californica subsp. leucophylla S. B. Parish, W. F. Parish 1882-1 Riverside Agua Caliente, desert slope of San Jacinto Mountain Comment
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Jul 12 2010
  JEPS44055  Oenothera californica Carl V. Meyer 1929-6-18 768 Riverside Hemet Valley San Jacinto Mts. (floor) Comment
  JOTR34283  Oenothera californica subsp. avita La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3287 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  RSA648273  Oenothera californica subsp. californica Tamara Joy Hanna 1991-5-12 27 Riverside Township of Anza, area of High Country Ranches. From Tamatea road approx. 100 ft. to dry stream bead, walking northeasterly direction. 1280 Comment
  RSA726579  Oenothera deltoides Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Lel Lubinsky 2005-2-10 1428 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCR16380  Oenothera deltoides S. J. Southwell 1971-5-2 s.n. Riverside Sonoran (Colorado) Desert, Windy 'Gap' [Point] sand dune, c. 10 mi. NW of Palm Springs on Hwy 111 305 Comment
  RSA25381  Oenothera deltoides subsp. deltoides C. L. Hitchcock 1940-4-4 5944 Riverside Pinto Basin. Comment
  UC68573  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5756 Riverside Whitewater Colorado Desert 243 Comment
  SEINET3092704 Image available Oenothera hookeri B. Pitzer 1986-5-24 243 Riverside Whitewater Canyon, ca. 5 mi. N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery boundary. Whiewater 7.5' quad. Comment
  RSA335031  Olea europaea Steve Boyd 1985-7-23 1004 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  CAS-BOT-BC427462  Oligomeris linifolia Carl B. Wolf 1932-4-28 3072 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. west of Blythe on the Mecca Road. 121 Comment
  JEPS25897  Oligomeris linifolia E. E. Schellenger April 1920 Riverside canyon e Coachella; Colorado Desert Comment
  RSA21764  Oligomeris linifolia Carl B. Wolf 1937-4-6 8436 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  RSA776298  Oligomeris linifolia Duncan S. Bell, Amanda Turek 2010-4-10 826 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  SD143540  Oligomeris linifolia R. D. Goeden, D. W. Ricker 1979-3-29 Riverside Coachella Valley: Indio, Monroa St. -6 Comment
  UCSB24683  Olneya tesota McMinn, Howard 1937-3-6 Riverside Blythe CA, to Needles CA Comment
  SD185152  Oncosiphon piluliferum A. C. Sanders 2005-3-22 29245 Riverside 3rd St. near Gage Canal and railroad. 267 Comment
  UCR280602  Oncosiphon piluliferum R. E. Riefner Jr. 2016-4-24 17- 199 Riverside city of Menifee, Paloma Wash, immediately north of Holland Road and west of Haun Road 445 Comment
  UCR282189  Oncosiphon piluliferum Saharat Nilaad 2017-5-1 01 Riverside Moreno Valley, east of March Air base, empty lot SE of the Iris Ave. intersection with Indian St. 457 Comment
  RSA0114876  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2014-2-16 17933 Riverside Big Maria Mountains along the Midland-Vidal Road, 16 km SW of Quien Sabe Point, 25.5 km NNW of central Blythe. 287 Comment
  POM12613  Opuntia chlorotica P. A. Munz 1922-5-20 5571 Riverside Pipe Creek near Kenworthy, San Jacinto Mountains. 1448 Comment
Read comments
May 28 2011
  LA204498  Opuntia engelmannii var. engelmannii F. R. Fosberg; 1932-7-12 8607 Riverside Mission Creek Comment
  POM288042C  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  RSA285350  Opuntia polyacantha var. erinacea Lyman Benson 1955-12-6 15628 Riverside Pines to Palms Hwy; San Jacinto Mts. 1372 Comment
  NY9649  Orcuttia californica C. W. Thorne 1975-8-29 47318 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
  UCR85525  Orcuttia californica Scott D. White 1993-4-25 1274 Riverside Peninsular Range; Perris-Aguanga Basin Region, Vernal Pool ('Bramlet's') on California Ave. between intersection of Stetson and RR crossing 450 Comment
  JEPS11649  Orobanche cooperi Marjorie D. Clary 1932-3-23 1679 Riverside 8 mi sw of Coachella (Colorado Desert, Santa Rosa Mountains); Colorado Desert, Santa Rosa Mountains 152 Comment
  JEPS85947  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4525 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  RSA0066528  Orobanche cooperi subsp. cooperi Frank W. Peirson 1924-12-30 5422 Riverside Thousand-Palms Canyon, Coachella Valley. 121 Comment
  POM259671  Orthocarpus purpurascens Philip A. Munz 1940-3-22 15659 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  SEINET4208826  Osmadenia tenella Steve Boyd, Tim Ross 1992-6-10 7626 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (&S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 671 Comment
  SEINET7073340  Oxalis albicans subsp. californica A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UC218234  Oxyria digyna P. A. Munz 1922-9-7 6406 Riverside shelter of rocks on n side summit of San Jacinto (summit of San Jacinto); San Jacinto Mts., summit of San Jacinto 3276 Comment
  RSA593784  Oxytheca emarginata Jeri Hirshberg 1995-5-19 279 A Riverside San Jacinto Mountains, Garner Valley. Comment
  RSA58858  Oxytheca trilobata P. A. Munz, Percy C. Everett 1950-6-23 14908 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCR121240  Oxytheca trilobata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2285 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  CAS-BOT-BC327897  Palafoxia arida Alice Eastwood 1913-4-30 3088 Riverside Palm Springs Comment
  POM182079  Palafoxia arida var. arida P. A. Munz 1932-3-14 11975 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA314487  Palafoxia arida var. arida R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55360 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA779200  Palafoxia arida var. arida J. Andre 2011-2-9 15937 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UC1601184  Palafoxia arida var. arida Philip A. Munz 1932-3-14 11975 Riverside Deep Canyon Coachella Valley 91 Comment
  UCR244299  Palafoxia arida var. arida Jim Andre 2012-4-15 20860 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR92357  Panicum capillare Scott D. White, S. Ogg 1994-10-17 2489 Riverside SW Perris Basin, Temecula: Murrieta Creek channel directly west of Cherry Street. 320 Comment
  UC1608241  Papaver californicum Steve Boyd, Carol Boyd, Kyle Boyd 1992-3-21 6736 Riverside Tenaja Canyon, along trail from wilderness boundary downstream towards Fisherman's camp, Santa Ana Mountains, San Mateo Canyon Wilderness Area Tenaja Canyon; Santa Ana Mountains, San Mateo Canyon Wilderness Area 365 Comment
  UCR1597  Papaver rhoeas R. L. Irwin 1962-5-8 0076 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, on Canyon Crest Drive just past U.S. 395 [Hwy 60] freeway bridge and on curve going southwest 317 Comment
  CLARK-A1528-4392  Parietaria floridana John C. Roos 1959-3-19 5401 Riverside Box Springs Mountains 396 Comment
  RSA768243  Parietaria hespera Justin M. Wood 2010-5-19 1840 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  RSA709794  Parietaria hespera var. californica A. C. Sanders 2004-5-5 27769 Riverside Gavilan Hills: Route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  UCR137046  Parietaria hespera var. californica A. C. Sanders 2004-5-5 27769 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA0125268  Parietaria hespera var. hespera Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8758 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  RSA0080159  Parkinsonia florida Jim M. Andre 2012-4-11 20837 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  UCR244308  Parkinsonia florida Jim Andre 2012-4-15 20852 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR33888  Parthenium incanum A. C. Sanders 1982-9-24 2965 Riverside City of Riverside, Univ. of Calif. experimental fields Comment
  UCR2643  Paspalum distichum F. M. Reed 1906-8-24 1183 Riverside Riverside, corner of Buchanan and MacKay (?) ranches, Blaine Street 305 Comment
  UCD88694  Paspalum notatum Leslie L. Ede 1972-8-1 s.n. Riverside Blythe. Comment
  UCD88699  Paspalum notatum C. W. Tilforth 1976-9-19 1224 Riverside at 317 Swan Lake Mobile Home Park, Mira Loma (10 miles north of Corona.) Comment
  UCR96202  Passiflora caerulea A. C. Sanders 1996-3-14 17973 Riverside Riverside, east side of UCR campus in the canyon below the Botanic Garden 335 Comment
  SBBG8647  Pectis papposa H. and M. Dearing 1939-11-12 4027 Riverside E of Palm Springs Comment
  UC640230  Pectis papposa var. papposa Frank W. Peirson 1938-11-12 12636 Riverside directly opposite the road from Mecca (Imperial Valley Boulevard); Imperial Valley Boulevard 0 Comment
  POM368804  Pectocarya heterocarpa Robert M. Perkins, H. de Forest 1938-4-18 s.n. Riverside 24 miles W of Indio. Comment
  UCR217793  Pectocarya heterocarpa Jim Andre, T. La Doux 2010-2-28 12562 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  RSA770312  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4402 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64310 487 Comment
  SDSU14016  Pectocarya linearis subsp. ferocula Michael G. Simpson, Adrienne Russell 2000-4-29 2076 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCD120131  Pectocarya linearis subsp. ferocula A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23891 Riverside Perris-Aguanga Basin region Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct. 381 Comment
  UCR282315  Pectocarya linearis subsp. ferocula Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-29 863 Riverside San Bernardino Mountains, Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  CHSC163  Pectocarya penicillata G. Spurlock 1935-4-12 Riverside Redlands. [Label says 'Riverside Co.]. Comment
  RSA614178  Pectocarya penicillata D. L. Banks 1997-2-17 1281 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, along Pechanga Road in the Reservation, approximately 10 m west of the Pechanga Tribal Government Center. 367 Comment
  RSA689498A  Pectocarya penicillata Scott D. White 2001-4-19 8374 -A 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
  RSA0123292  Pectocarya recurvata Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8980 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
  RSA777854  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 844 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UCR244392  Pectocarya setosa Jim Andre 2012-4-16 20966 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  UCSB8447  Pediomelum californicum Haller, John 1950-5-21 Riverside San Jacinto Mtns. Pinyon Flat 1219 Comment
  UCR25157  Pelargonium X hortorum Peggy Merritt 1972-5-5 720505 Riverside Riverside, lot on NE corner of Park and 7th streets 271 Comment
  UCR90968  Pellaea andromedifolia Scott D. White 1996-2-18 3807 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  UCD137698  Pellaea mucronata Lewis S. Rose 1966-12-14 66107 Riverside Chino Canyon, 3 mi. W. of Palm Springs Desert. 670 Comment
  POM276878  Pellaea mucronata var. mucronata Lyman Benson 1945-3-29 11634 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain 610 Comment
  RSA33822  Pellaea mucronata var. mucronata Norman C. Cooper 1944-3-25 1031 Riverside Cabazon 457 Comment
  SDSU13338  Pellaea mucronata var. mucronata C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, Insect Trail. 1.5 miles NE of Gavalin Mtn. 305 Comment
  UCR213369  Pennisetum setaceum Lynn Sweet, Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/Sonoran Desert; Santa Rosa Mtns., UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon, 1/4 mile from end of road 335 Comment
  RSA97212  Penstemon X parishii R. M. Straw 1953-6-24 480 Riverside Idyllwild-Banning Rd., 6.5 mi. S. of Banning. 1143 Comment
  POM12969  Penstemon centranthifolius Philip A. Munz, I. M. Johnston 1922-5-21 5538 Riverside Hemet Valley, San Jacinto Mts 1402 Comment
  RSA412457  Penstemon centranthifolius C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  UCR135733  Penstemon centranthifolius Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9017 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  LA209524  Penstemon clevelandii Carl Epling; William Stewart 1936-5-9 sn Riverside Santa Rosa Mountains, near Ribbonwood Comment
  LA209529  Penstemon clevelandii Elizabeth Levien; 1949-5-22 sn Riverside Santa Rosa Mountains, Pines to Palms highway near Pinon Flats Comment
  UCD124053  Penstemon clevelandii Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains: ca. 0.05 mile south of Santa Rosa Mt. Road from Hwy 74. 1402 Comment
  SBBG66551  Penstemon labrosus E. Rockwell 1920-7-4 Riverside Idyllwild Comment
  UC886850  Penstemon rostriflorus C. Epling, Wm. Robison 1935-6-30 Riverside North Fork San Jacinto River Comment
  UCR151031  Penstemon rostriflorus Scott D. White 1998-7-31 6929 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  SDSU10974  Penstemon spectabilis Thomas A. Zink 1971-7-1 Riverside Alongside Indian Canyon rd. about 1 mile west of junction with Temescal Canyon Rd. at foot of Trabuco Peak. 518 Comment
  SEINET4097936  Penstemon spectabilis C. Davidson 1975-1 2805 Riverside About 4 miles south of Banning on road R1 to Idyllwild. 1127 Comment
  UCR164932  Penstemon spectabilis T. B. Salvato, John F. Green 2004-5-27 627 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
  NY661162  Penstemon spectabilis var. spectabilis G. T. Hastings 1941-4-26 s.n. Riverside Near Sage-south of Hemet Comment
  SD119891  Penstemon spectabilis var. spectabilis Louis B. Ziegler 1972-5-9 453 Riverside San Jacinto Valley, open field 472 Comment
  RSA93215  Pentachaeta aurea F. W. Peirson 1938-5-30 s.n. Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  UCR261394  Pentagramma triangularis Joseph Cahill 2011-1-8 111- 19 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  LA204571  Peritoma arborea Norman C. Cooper; 1944-4-23 1117 Riverside Cabazon 457 Comment
  UCR216201  Peritoma arborea Tasha La Doux, Jim Andre 2009-2-28 350 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 0.8 mi. north of JTNP boundary, c. 3 miles north of Dillon Road 632 Comment
  UCR234538  Peritoma arborea L. R. Landrum 1997-1-1 8914 Riverside Sonoran (Colorado) Desert, north of Palm Springs, c. 1.5 miles north of Hwy 10 on road to Joshua Tree National Monument Comment
  CAS-BOT-BC77526  Peritoma arborea var. arborea Philip A. Munz 1940-3-24 15713 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  JOTR34384  Perityle emoryi Andre, Jim 2012-4-16 20907 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  RSA471854  Perityle emoryi Robert Gustafson, Gary D. Wallace 1982-5-19 2564 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  RSA471860  Perityle emoryi E. Crow 1929-2-24 183 Riverside Mesa above Andreas Canyon, Colorado Desert. Comment
  RSA747729  Perityle emoryi Scott D. White, Justin M. Wood 2009-3-24 12563 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UCR30076  Perityle emoryi George K. Helmkamp 1983-4-5 483- 7 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  LA212315  Perityle emoryi A. L. H.; 1973-3-25 s.n. Riverside OROCOPIA MOUNTAINS, 472 Comment
  RSA0065563  Petalonyx linearis Peter Gail 1961-5-6 s.n. Riverside Palms to Pines Highway. Comment
  RSA675729  Petalonyx thurberi Scott D. White 2001-4-27 8420 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  RSA698082  Petalonyx thurberi J. R. Bruff 1934-6-19 536 Riverside 5 mi. S.E Palm Springs. Comment
Read comments
Aug 27 2011
  UCR148787  Petunia parviflora Les Ede 1974-1 s.n. Riverside Sonoran (Colorado) Desert, Blythe, Colorado River Valley 84 Comment
  CAS-BOT-BC326763  Peucephyllum schottii Mrs. John C. Augsbury 1930-2-1 s.n. Riverside Indio Comment
  CDA8465  Peucephyllum schottii A. C. Browne 1953-4-23 Riverside Indian Fish Traps, 12 miles south of Indio. 0 Comment
  RSA783086  Phacelia J. D. Olmsted 1959-6-23 651 Riverside M. fk. San Jacinto River. Desert Sun School near Idyllwild. 1646 Comment
  RSA427709B  Phacelia ambigua G. R. Johnstone 1930-4-14 14657 Riverside Shavers Well Comment
  GMDRC2618  Phacelia campanularia subsp. campanularia T. La Doux, J. Andre 2008-3-2 212 Riverside along I-10 at Whitewater exit, on S-facing slope at White Water River crossing.. Elev. 1115 ft. 340 Comment
  UC217927  Phacelia campanularia subsp. campanularia P. A. Munz, D. Keck 1922-4-14 5003 Riverside mesa e Whitewater Ranch; Colo. Desert 213 Comment
  UC881004  Phacelia campanularia subsp. vasiformis I. W. Clokey 1935-4-17 6845 Riverside Cottonwood Springs Comment
  SEINET7073336  Phacelia cicutaria A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  CLARK-A1045-183  Phacelia cicutaria subsp. hispida George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCR101787  Phacelia cicutaria var. hispida George K. Helmkamp, E. A. Helmkamp 1997-3-5 1320 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR116856  Phacelia cicutaria var. hispida A. C. Sanders, Steven R. Hill 2001-5-4 24137 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR117619  Phacelia cicutaria var. hispida Scott D. White 1997-5-25 5245 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  UCR239210  Phacelia cicutaria var. hispida Steven R. Hill 2001-5-3 33637 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
  UCR121106  Phacelia ciliata A. C. Sanders, Sue Nash, Tom Paulek, et al 2002-4-7 24902 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, west side of Davis Rd., just north of the old San Jacinto River channel (levee), 2.25 mi. north of Lakeview 434 Comment
  UCR37441  Phacelia ciliata Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills area, south of Lake Matthews Comment
  SFV5032  Phacelia crenulata F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  UCD120362  Phacelia crenulata C. L. Hitchcock 1966-3-16 24210 Riverside Along Palms to Pines Highway, 4 mi. S. of Palm Desert. 609 Comment
  UC1563073  Phacelia crenulata var. ambigua Steve Boyd and Orlando Mistretta 1986-3-13 1440 Riverside ne Desert Center; West side Palen Mts. Comment
  UCD120369  Phacelia crenulata var. ambigua P. C. Everett; E. K. Balls 1958-4-29 23011 Riverside U.S. Hwy. 60/70, Indio to Blythe, 6.5 mi. e. from jct. with U.S. Hwy. 99. 243 Comment
  JOTR32186  Phacelia cryptantha Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  HSC86991  Phacelia distans Maureen Pendleton 1988-2-15 Riverside 2 mi. NW of Alberhill on E side of Horsethief Canyon wash 381 Comment
  SBBG34723  Phacelia distans T. L. Secrest 1950-3-12 Riverside near Indio Comment
  SD255771  Phacelia distans Mitch Provance 2012-5-24 512 26 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Ave., and Wilson St. 868 Comment
  SEINET12319683  Phacelia distans N. H. Holmgren, Holmgren, P. K. 1974-1 7463 Riverside Box Canyon Wash, 11.4 mi ENE of Mecca 244 Comment
  JEPS60184  Phacelia minor L. R. Heckard 1969-4-24 2161 Riverside hillside along Hwy 79 about 7 mi s Sage Comment
  RSA581748  Phacelia minor M. Wall, L Fuentes 1995-4-13 99 Riverside San Jacinto Mtns, along Hwy 243, 6.8 miles S of Interstate 10 out of Banning, road pull out on north and east facing slopes, 1993 burn area. Comment
  RSA69365  Phacelia minor G. R. Campbell 1951-5-30 16138 Riverside 9 miles west of Anza. 1067 Comment
  SFV11870  Phacelia minor R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCD120566  Phacelia minor Robert C. Bechtel 1952-3-28 24 Riverside Perris. 443 Comment
  UCR241209  Phacelia minor Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 03 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  UC64052  Phacelia mutabilis H. M. Hall July 1897 753 Riverside San Jacinto Mountains 2438 Comment
  UCR263717  Phacelia ramosissima Mark A. Elvin, Tricia Wotipka 2002-5-1 1965 Riverside South Coast Floristic Ecoregion, Badlands east of Riverside, 5 km southwest of Beaumont, southeast portion of La Borde Canyon 579 Comment
  SEINET7048161  Phacelia ramosissima var. latifolia Steven R. Hill 2001-5-3 33662 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  SBBG37504  Phacelia tanacetifolia R. N. Muller 1967-5-4 Riverside 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  CAS-BOT-BC250728  Phalaris paradoxa John C. Roos 1952-5-21 5702 Riverside San Jacinto river bottomland 1 1/2 miles southeast of Perris 426 Comment
  JOTR32530A  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
  RSA615066  Phoenix dactylifera A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. D. Stewart, Colin L. Sanders 1994-12-4 15889 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity., 33 deg 30.16 N, 115 deg 49.9 W -30 Comment
  RSA459297  Pholistoma membranaceum N. C. Cooper 1944-3-25 1039 Riverside Morongo Pass. 457 Comment
  OBI38805  Phoradendron californicum A. C. Sanders, Pitzer, Charlton, and Kniffen 1986-3-3 6097 Riverside Corn Spring, Chuckwalla Mts 488 Comment
  UC536860  Phoradendron californicum M. C. Jones 1934-2-18 Riverside Colorado Desert, Whitewater Canyon Comment
  UCD102016  Phoradendron californicum Dennis Kucera 1987-11-14 s.n. Riverside Malki Museum garden, E of Banning off Fields Rd, Morongo Indian Reservation. 609 Comment
  UCD166242  Phoradendron californicum Jack Major 1962-4-17 776 Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  RSA0009995  Phoradendron californicum Marcus E. Jones 1934-2-18 s.n. Riverside Whitewater Canyon. Colorado desert. Comment
  RSA420753  Phoradendron densum E. Crow 1928-11-12 46 Riverside Morongo Valley, Colorado Desert. Comment
  CAS-BOT-BC135181  Phoradendron juniperinum Edmund C. Jaeger 1922-6-20 s.n. Riverside Caramba Camp. Tacquitz Creek, San Jacinto Mts. Comment
  CAS-BOT-BC171153  Phoradendron serotinum subsp. tomentosum P. A. Munz; E. K. Balls 1952-8-21 17969 Riverside Hamilton Canyon, SE end of San Jacinto Mountains 1432 Comment
  POM354351  Phoradendron villosum N. C. Cooper 1945-5-24 1630 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA585786  Phoradendron villosum D. L. Banks, Steve D. Boyd 1995-5-9 411 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  CAS-BOT-BC260907  Phragmites australis H. E. Hasse 1903-11-22 s.n. Riverside Cienega in Chino Canyon, San Jacinto Mts. Comment
  JEPS8984  Physalis crassifolia John Thomas Howell 1928-1-29 3297 Riverside Painted Canyon; Colorado Desert Comment
  RSA444461  Physalis crassifolia Roos 1965-6-23 s.n. Riverside Lost Palms Wash. Comment
  RSA775662  Physalis crassifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 807 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  RSA791479  Physalis crassifolia Jim Andre 2012-4-16 20919 Riverside Joshua Tree National Park;; along Cottonwood Spr. Rd, 3.1 mi. north of South Entrance, 4.1 mi. north of I-10. Along Cottonwood Spr. Rd , in large rocky canyon to east. 788 Comment
  SD4470  Physalis crassifolia F. Woodcock 1926-3-15 Riverside Palm Springs Comment
  UCR51931  Physalis crassifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2152 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  CAS-BOT-BC506667  Physaria tenella A. C. Sanders; Jim Malusa 2015-3-11 41395 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Road at jct with road to Observation Point Slats, US Navy Chocolate Mtns Aerial Gunnery Range 723 Comment
  CAS-BOT-BC78470  Pinus contorta subsp. murrayana F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  LA206256  Pinus coulteri Carl Epling; A. L. Haines 1937-5-7 sn Riverside San Jacinto Mountains, Idyllwild Road Comment
  UCSB99  Pinus monophylla Cline, C. 1960-5-15 Riverside Edge of Pinon Flats Camp; 15.5 miles SW of Palm Desert; San Bernardino National Forest 1219 Comment
  RSA0077527  Pinus ponderosa G. Wallace 1964-4-22 s.n. Riverside Idlewild Area. Comment
  CDA568  Pinus quadrifolia Ronald Somerby 1972-3-1 s.n. Riverside 0.25 mi N of the end of Kirby Rd, Anza. 0 Comment
  POM310583  Pinus quadrifolia G. Mansfield-Jones 1956-11-11 564 Riverside Palms to Pines highway, near Lake Hemet. Mt. Range San Jacinto-Santa Rosa. 1524 Comment
  UC1134101  Pinus quadrifolia A. Lewis 1933-2-3 154 Riverside Terwilliger Valley San Jacinto Quad., San Bernardino National Forest, Terwillig 1158 Comment
  UCR124335  Piptatherum miliaceum O. F. Clarke 1972-5-28 s.n. Riverside Residence of O.F. Clarke, 1012 Spruce St., Riverside 305 Comment
  UCR226058  Pistacia atlantica A. C. Sanders, Nathan Moorhatch 2011-3-22 38775 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  UCR107706  Pityrogramma triangularis var. triangularis A. C. Sanders 1997-3-1 19735 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  RSA632133  Plagiobothrys arizonicus L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Falls Creek, north side of Mount San Jacinto. 548 Comment
  RSA715329  Plagiobothrys canescens John Green 2006-4-18 s.n. Riverside NE of Murrieta, just S of Los Alamos Rd. (Clinton Keith Rd.), on E and W sides of Liberty Rd. border between City of Murietta and unincorporated French Valley. 415 Comment
  UCR174437  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32483 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
  UCR281209  Plagiobothrys collinus var. fulvescens Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 33 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  RSA562053  Plagiobothrys nothofulvus Steve Boyd, Tim Ross 1992-4-1 6774 Riverside Alberhill Mountain, southwest flank on lower slopes just to east of strip-mined area 427 Comment
  SDSU13683  Plagiobothrys nothofulvus J. Jill Steinberg, Janet Knots 1998-3-11 7 Riverside Comment
  UCR25974  Plagiobothrys nothofulvus John C. Roos 1947-3-21 3365 Riverside Plateau in Reche Canyon Comment
  RSA612701  Plagiobothrys tenellus D. L. Banks 1997-3-29 1597 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
  UC1930012  Plagiobothrys tenellus Scott D. White, Justin Wood 2008-5-15 12000 Riverside San JAcinto Mountains: Johnson Meadow. Comment
  UCR75332  Plantago elongata A. C. Sanders 1993-5-12 14008 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UC1536775  Plantago erecta G. H. True 1935-3-13 89 Riverside Mockingbird Canyon 457 Comment
  UCR113136  Plantago erecta A. C. Sanders 1998-3-11 21674 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR256776  Plantago lanceolata T. B. Salvato, Matthew Malle 2013-5-20 7582 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR91997  Plantago lanceolata Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  JEPS22514  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6195 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  UCR74366  Plantago ovata Theo Glenn 1991-4-30 91- 68 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  POM68827  Plantago ovata var. fastigiata Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  SBBG54764  Plantago ovata var. fastigiata J. Carter 1970-3-24 81 Riverside Palm Springs, Chino Cyn, 2 mi off Hwy 111 457 Comment
  UCSB7590  Plantago ovata var. fastigiata Beeks, Richard 1952-4-4 Riverside 7 mi above Mecca in Box Cyn Comment
  RSA773665  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-20 1028 Riverside San Bernardino National Forest: Garner Valley, approximately 2 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  RSA192038  Platystemon californicus E. W. Lathrop 1959-4-16 4468 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  UC167977  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UC167983  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder 1905-5-12 9 Riverside Wilders near Riverside; near Riverside Comment
  UC50136  Platystemon californicus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UCR177176  Platystemon californicus Scott D. White, Michael Honer 2003-4-25 9117 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  RSA0014931  Plectritis ciliosa LeRoy Gross, Caitlin Elam, Evan Meyer 2013-5-7 6039 Riverside West of the community of Pine Cove, near Idyllwild. Out-skirt of the community and Red Hill road (5S10). Near 1720 Comment
  SEINET7048173  Pleuraphis rigida Steven R. Hill 2001-5-3 33679 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR250872  Pluchea sericea S. J. Myers 2014-4-29 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, c. 1.2 mi. SE of Mecca at intersection of 68th St. and Johnson Ave. -60 Comment
  UCR60264  Pluchea sericea Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3663 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  UCR81687  Pluchea sericea J. M. Stewart 1994-5-2 856 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  SD232152  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12260 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1584 Comment
  RSA0119897  Poa secunda Duncan S. Bell, Thomas Stoughton 2016-4-12 9227 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  RSA595268  Poa secunda D. L. Banks, Dylan Hannon 1996-5-3 971 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., T8S R1W SE/4, NE/4 of S22; 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  RSA0031209  Poa secunda Jim Andre 2006-4-6 7749 Riverside Joshua Tree National Park: approx 50 m N. of Keys View Parking area. 1553 Comment
  SJSU11304  Poa secunda subsp. juncifolia S. H. Casey 1981-4-15 1197 Riverside Jumbo Rocks, Joshua Tree National Monument Comment
  UC1132782  Poa secunda subsp. secunda A. Lewis Mar 1934 322 Riverside Bedford Motorway Bedford Canyon; Cleveland Nat'l Forest, Corona Quadrangle Comment
  UC147830  Poa secunda subsp. secunda H. M. Hall 1901-5-22 1137 Riverside s side of San Jacinto Mts 1524 Comment
  POM48845  Polycarpon depressum Charlotte M. Wilder 1905-04 s.n. Riverside Wilder s Canyon, Jurupa Mtns. Comment
Read comments
Aug 29 2009
  UCR111780  Polycarpon tetraphyllum Mitch Provance 1999-5-4 1702 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR263230  Polycarpon tetraphyllum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41460 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR30596  Polygonum argyrocoleon John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  RSA612810  Polypodium californicum Darin L. Banks 1997-3-1 1359 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  UCSB62766  Polypodium californicum Kiefer, Lawrence 1963-9-15 Riverside San Jacinto Mtns., N fork San Jacinto River (Dark Canyon). 2133 Comment
  POM9369  Polypodium hesperium Robert Kessler 1921-10 s.n. Riverside North side of Tahquitz Peak, San Jacinto Mountains Comment
  CSUSB467  Polypogon monspeliensis Richard Sayre 1972-5-20 Riverside Santa Ana River Santa Ana River; Jurupa Avenue, in city of Riverside. Comment
  UCR170134  Polypogon semiverticillatus Jeffrey Ross 1998-6-4 142 Riverside Upper Santa Ana River/San Bernardino Valley, Ravine at NW corner of Canyon Crest Drive and University Avenue, across from UC Riverside 305 Comment
  RSA508014  Polystichum imbricans subsp. curtum Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2294 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UC495190  Populus P. A. Munz 1932-4-24 12388 Riverside along Snow Creek; San Jacinto Mountains, along Snow Creek 457 Comment
  CAS-BOT-BC102581  Populus fremontii Swingle 1915-9-1 s.n. Riverside Indio Comment
  POM2088  Populus fremontii I. M. Johnston 1917-4-4 1092 Riverside Palm Canyon. 457 Comment
  RSA342042  Populus fremontii Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54102 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UCR3415  Populus fremontii H. M. Whistler 1964-5-3 640503- 01 Riverside San Bernardino Valley Region, city of Riverside, Santa Ana River bottom, 0.25 mi north of Buena Vista Ave. on Scout Lane 244 Comment
  RSA450979  Portulaca oleracea Stephen M. Beckstrom-Sternberg 1985-9-10 1027 Riverside U.C.R. garden plots. Comment
  RSA769818  Potamogeton foliosus E. W. Lathrop 1969-6-5 7096 Riverside 6 miles west of Murrieta, Mesa de Colorado of Santa Rosa Plateau. 625 Comment
  JOTR35171  Potamogeton foliosus subsp. foliosus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3274 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  CDA844  Potamogeton pectinatus L. C. Wheeler 1953-3-3 7034 Riverside Sonoran (Colorado) Desert; Alligator Slough on the Colorado River 0 Comment
  RSA499238  Potentilla glandulosa subsp. nevadensis E. C. Jaeger 1921-6-23 729 Riverside Tacquitz Valley. 1982 Comment
  CAS-BOT-BC540423  Potentilla gracilis var. fastigiata H. M. Hall 1901-6-1 2296 Riverside San Jacinto Mountains, in the vicinity of Strawberry Valley 1615 Comment
  RSA0014806  Proboscidea louisianica Steve Boyd, Rita Gentry 1991-5-30 6317 Riverside Murrieta, Gentry Experimental Farm on Los Alamos Rd. 427 Comment
  UC1522675  Proboscidea louisianica subsp. louisianica Steve Boyd 1984-9-20 Riverside along Cajalco Rd. 4 1/2 mi nw Perris (0.2 mi e of its intersection with Clark St. (Old Elsinore Rd.)); Mead Valley Comment
  CAS-BOT-BC206984  Prosopis glandulosa var. torreyana F. P. Cronemiller 1927-5-11 3016 Riverside Oak Park R.S., Cleveland Forest 762 Comment
  CAS-BOT-BC206985  Prosopis glandulosa var. torreyana Alice Eastwood 1913-4-30 3063 Riverside Palm Springs Comment
  RSA594516  Prosopis glandulosa var. torreyana D. L. Banks, Rashmi Pant 1996-5-13 1021 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy. 79., Just N of the Cleveland National Forest Boundary. 472 Comment
  UCD166277  Prosopis glandulosa var. torreyana Jack Major 1962-4-17 791 Riverside On the outskirts of Palm Desert. (Exact location unkown. Coordinates estimated by label maker.) Comment
  UCR123756  Prosopis glandulosa var. torreyana Steven R. Hill 2001-4-29 33543 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR269109  Prosopis glandulosa var. torreyana Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4484 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 488 Comment
  CAS-BOT-BC216520  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 miles E of Blythe, Palo Verde Valley 76 Comment
  UCD170965  Prunus caroliniana A. C. Sanders 2002-3-20 24899 Riverside Western Colorado Desert: Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo. 137 Comment
  UCR114953  Prunus ilicifolia D. E. Bramlet 1999-4-10 2734 Riverside Bachelor Mountain. North facing slope 152m northwest of the peak on a steep, bouldery face of the mountain and within the large drainage area found on this slope, approximately 1.5km north of Lake Skinner 726 Comment
  LA208104  Prunus ilicifolia subsp. ilicifolia W. E. Pequegnat; 1939-4-8 32 Riverside Santa Ana Mountains Comment
  LA208109  Prunus ilicifolia subsp. ilicifolia W. E. Pequegnat; 1937-8-25 sn Riverside Santa Ana Mountains, Glen Ivy Trail Comment
  UCR81107  Prunus virginiana Scott D. White 1993-5-29 1451 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  UCR169396  Prunus virginiana var. demissa T. B. Salvato, John F. Green 2004-5-27 606 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
  UC74033  Psathyrotes ramosissima M. F. Gilman 1904-1 46 Riverside Banning Comment
Read comments
Mar 13 2011
  SEINET3082602 Image available Pseudognaphalium biolettii D. Gordon 1952-4-17 Riverside Weeds of Southern California, U. C. Riverside. UCR campus. Comment
  UC1929958  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  UCSB38387  Pseudognaphalium californicum Ferro, Margaret 1970-5-20 Riverside 1/2 mile west of Riverside city dump 457 Comment
  JOTR35207  Pseudognaphalium canescens Harding, Mitzi, Tasya Herskovitz 2011-4-28 184 Riverside Joshua Tree National Park. Lost Horse Road; east of road, large rocky drainage on backside of Hemingway Buttress formation 1243 Comment
  UCR281574  Pseudognaphalium leucocephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 81 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  POM157889  Psilocarphus brevissimus P. A. Munz 1927-5-20 10801 Riverside Murietta Hot Springs Comment
  UCR234435  Psilocarphus brevissimus Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR266811  Psilocarphus brevissimus Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 02 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UCR20985  Psilocarphus brevissimus var. brevissimus A. C. Sanders, Steve Boyd 1980-5-19 1483 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR40269  Psoralea macrostachya Steve Boyd 1985-7-30 1049 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7.8 - 10 mi. west of Rancho California Comment
  LA205211  Psorothamnus arborescens var. simplicifolius J. A. Ewan; 1930-4-18 3080 Riverside 3 mi. E of Painted Hill, road to Morongo Valley Comment
  HSC101260  Psorothamnus emoryi Jim Andre 2012-3-19 21356 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  JEPS41733  Psorothamnus emoryi W. L. Jepson 1914-5-24 6060 Riverside Colorado Desert, Palm Springs of Mt. San Jacinto Mt. San Jacinto; Colorado Desert, Palm Springs of Mt. San Jacinto 121 Comment
  POM276882  Psorothamnus emoryi Lyman D. Benson 1933-3-31 4189 Riverside Salton Sea-Imperial Co. line. 61 Comment
  RSA48326  Psorothamnus emoryi E. K. Balls 1949-4-4 129060 Riverside Hollows between Durmid and Salton sea on Hwy 111. -30 Comment
  UC667245  Psorothamnus emoryi Annie M. Alexander and Louise Kellogg 1941-5-20 2204 Riverside Eagle Mountains Pumping Station Road 792 Comment
  RSA404246  Psorothamnus schottii Anstruther Davidson 1895-4-10 s.n. Riverside Palm Springs. Comment
  RSA444302  Psorothamnus schottii W. W. 1988-4-2 4220 Riverside Frontage Rd. off I 10, near pumping station in Pinkham Wash area Comment
  RSA518303  Psorothamnus schottii A. C. Sanders 1989-9-19 9506 Riverside 1.75 km S of Tabaseca Tank, along the wash of Tabaseca Target 680 Comment
  SBBG3321  Psorothamnus spinosus H. and M. Dearing 1942-1-17 4786 Riverside near Cathedral City Comment
  UC372911  Psorothamnus spinosus Marcus E. Jones 1926-6-8 Riverside Palm Springs Comment
  SEINET951772  Pteridaceae Scott D. White 1996-1 3832 Riverside Lakeview Mountains, N of Winchesster, at 'Maze Stone' Picnic Area 609 Comment
  RSA682147  Pterostegia drymarioides Scott D. White 2001-3-27 8174 Riverside Badlands: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  SDSU13927  Pterostegia drymarioides Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2139 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR127328  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 421 Comment
  UCSB18375  Pterostegia drymarioides Smalley, G. 1964-5-10 Riverside State Highway 74, 10.8 miles SW of Palm Desert 914 Comment
  JOTR32194  Purshia tridentata var. glandulosa Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. 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
  UCR21941  Quercus agrifolia Steve Boyd 1980-4-8 109 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA559451  Quercus agrifolia var. agrifolia Steve Boyd, T. S. Ross 1992-5-5 7217 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA356628  Quercus berberidifolia Robert F. Thorne 1975-8-29 47313 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UCR162959  Quercus berberidifolia John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCR250002  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  SEINET10678004  Quercus chrysolepis Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 131 Riverside San Bernardino National Forest. 14.5 mi. S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  UCD170551  Quercus chrysolepis D. O. Burge 2017-5-20 2279 Riverside San Jacinto Mountains, Lake Fulmore area, University of California James Reserve. 1640 Comment
  IRVC26855  Quercus cornelius-mulleri Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9022 Riverside Ca. 0.05 mi. S on Santa Rosa Mtn. Road from Hwy 74. Peninsular Ranges, Santa Rosa Mountains Comment
  RSA768123  Quercus dumosa E. W. Lathrop 1969-6-5 7093 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SEINET10891639  Quercus dumosa Greg Gust, Leith Nye 2005-3-12 Gust 555 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  SD129201  Quercus engelmannii B. Pitzer 1988-6-8 1046 Riverside Rancho California area, avocado grove south of Avenida del Oro, just past Calle Capistrano Comment
  UCR94887  Quercus engelmannii G. R. Ballmer, K. T. Stockwell 1996-9-22 s.n. Riverside Murrieta, Warm Springs Creek, SE of Hogbacks 366 Comment
  SACT002142  Quercus kelloggii Carl Epling 1931-10-4 Riverside 1584.96 Comment
  POM212006  Quercus wislizeni var. frutescens Carl B. Wolf 1931-10-14 2453 Riverside Snow Creek, 100yds above the Fish Hatchery, north base of San Jacinto Mts. 610 Comment
  SEINET5584426  Rafinesquia californica Stephen Hale, Jake Mohlmann 2010-1 Riverside Along WAPA Parker-Blythe transmission line, adjacent to State Route 95 Comment
  UCR107390  Rafinesquia californica B. G. Pitzer 1997-3-23 2971 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  SD45166  Rafinesquia neomexicana Helen K. Sharsmith 1952-4-10 4059 Riverside Joshua Tree National Monument, 5 miles northeast of Cottonwood Springs Smoke Tree Wash 854 Comment
  UCD135363  Rafinesquia neomexicana R. L. Smith 1948-3-25 s.n. Riverside Cabazon. Comment
  SEINET3159744  Ranunculus alismifolius F. M. Reed 1908-7-12 2519 Riverside San Jacinto mountains Comment
  CLARK-A1528-787  Ranunculus californicus Annette Price 1962-5-1 O 64 Riverside Santa Ana Mountains Comment
  RSA716819  Ranunculus californicus A. C. Sanders 2004-4-20 27558 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UC219255  Ranunculus californicus P. A. Munz and I. M. Johnston 1922-5-20 5462 Riverside 1 1/2 mi below Kenworthy; San Jacinto Mts. 1417 Comment
  POM273399  Raphanus sativus Lyman Benson 1932-3-26 3160 Riverside 3 miles N [of] Temecula. 457 Comment
  UCR92713  Raphanus sativus A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18063 Riverside Perris-Aguanga Basin region, Moreno Valley, north of the San Jacinto Wildlife Area, W side of Davis Road at intersection with Allesandro Blvd. 488 Comment
  RSA613313  Raphanus sativus D. L. Banks 1997-3-1 1378 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  CAS-BOT-BC59508  Rhamnus crocea A. C. Sanders; G. Waines 1997-3-12 19877 Riverside Lake Sinner area: lower Rawson Canyon, just NE of the lake along the road. 457 Comment
  UCR251706  Rhamnus crocea T. B. Salvato 2014-4-9 7834 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR240648  Rhamnus ilicifolia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 415 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA761279  Rhododendron Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 716 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCSB26759  Rhododendron occidentale Wilken, Dieter 1969-6-30 Riverside Black Canyon, along County Road R1, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  CDA28764  Rhododendron occidentale var. californicum G. F. Hrusa 1993-6-23 9769 Riverside San Jacinto Mountains; N Fk. San Jacinto River, Dark Canyon. 1694 Comment
  UCR164570  Rhus aromatica S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  CAS-BOT-BC167923  Rhus integrifolia Steve Boyd 1981-1-9 s.n. Riverside Gavilan Hills region, narrows in central Dawson Canyon 487 Comment
  UCR135806  Rhus integrifolia A. C. Sanders, Guy Bruyea 2004-4-2 27439 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  CDA35354  Rhus ovata T. C. Fuller 1963-4-23 10294 Riverside San Jacinto Mountains; Highway 74 to Palm Desert, just east of Pinyon Flat. 0 Comment
  RSA772142  Rhus ovata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4972 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
  UC1130532  Rhus ovata A. Lewis 1934-3-4 305 Riverside Tin Mine Canyon; Cleveland National Forest 701 Comment
  UC1393134  Rhus ovata John L. Strother 1970-7-7 1002 Riverside 4 mi s Sage Comment
  UC1130568  Rhus trilobata J. B. Spring 1931-4-17 35 Riverside head of Dawson Canyon 457 Comment
  RSA577523  Ribes amarum D. L. Banks, Steve D. Boyd 1995-2-16 49 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  RSA717839  Ribes indecorum T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 132 Riverside Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04. 1128 Comment
  UCR112522  Ribes indecorum Mitch Provance 1998-2-13 13 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR114805  Ribes indecorum Mitch Provance 1998-2-17 80 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR16472  Ribes malvaceum I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  UC11578  Ribes montigenum H. M. Hall July, 1901 2410 Riverside near summit San Jacinto Mountains 3293 Comment
  LA205551  Ribes nevadense A. H. Lange; 1951-5-26 sn Riverside San Jacinto Mountains, Herky Creek Comment
  SFV20141  Ribes nevadense J. N. Hogue, J. M. Wrublik 2000-5-30 153 .1 Riverside San Jacinto Mountains Black Mountain. Black Mountain Trail at Cinco Poses Spring. 2130 Comment
  CAS-BOT-BC92173  Romneya coulteri var. coulteri P. C. Everett 1935-6-17 7167 Riverside Santa Ana Mountains. Coldwater Canyon Trail to Santiago Peak, 2 miles above Glen Ivy Resort. 609 Comment
  UC1951181  Rorippa palustris subsp. palustris Justin M. Wood with Jamie Miner 2009-4-2 464 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. USGS Temecula 7.5' Quad. Comment
  UC12850  Rosa californica H. M. Hall July, 1901 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along watercourses) 1615 Comment
  UCR90337  Rosa californica Scott D. White 1995-6-29 3412 Riverside Santa Ana Mtns,, Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence 366 Comment
  POM13008  Rumex acetosella P. A. Munz, I. M. Johnston 1922-5-19 5423 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  UCR113561  Rumex obtusifolius Mitch Provance 2000-4-8 2217 Riverside Jurupa Mountains, Belltown, SW side of Market St (Crestmore Rd.) at Bell Ave. 259 Comment
  UC6967  Rumex salicifolius var. salicifolius H. M. Hall Jul 1901 2525 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  SD224912  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weeds in landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 188 Comment
  SD186015  Sagittaria latifolia S. J. Myers 1996-5-17 Riverside Corona, River Road bridge over the Santa Ana River. 152 Comment
  POM3991  Salazaria mexicana I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. 457 Comment
  UCR59706  Salazaria mexicana A. C. Sanders 1989-9-19 9502 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  UCR50421  Salix L. F. LaPre, S. J. Myers 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  SBBG33641  Salix exigua T. L. Secrest 1951-5-20 Riverside ca. 6 mi S of Banning 1219 Comment
  UCR270564  Salix exigua var. hindsiana John F. Emmel 1998-5-2 1541 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.4-0.5 road mile SE of national forest boundary 723 Comment
  CAS-BOT-BC108105  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside In sandy alkali loam of overflow land back of Colorado River, about 800 m. from State Inspectoin Station, on way to Blythe Bridge. 90 Comment
  RSA33367  Salix gooddingii N. C. Cooper 1943-9-26 931 Riverside Cabazon. 549 Comment
  CAS-BOT-BC108104  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside In sandy alkali loam of overflow land back of Colorado River, about 800 m. from State Inspectoin Station, on way to Blythe Bridge. 90 Comment
  RSA0038337  Salix hindsiana var. leucodendroides H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  POM177828  Salix laevigata Marcus E. Jones 1930-3-2 s.n. Riverside Corona. Comment
  POM2054  Salix laevigata I. M. Johnston 1918-5-30 1997 Riverside Temescal Canyon 366 Comment
  UC634547  Salix laevigata H. L. Mason 1928-3-10 4170 Riverside Snow Creek Colorado Desert, White Water River Valley, Snow Creek Comment
  UCR241398  Salix laevigata T. B. Salvato 2013-3-22 7392 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  SD229280  Salix lasiolepis Dick Schwenkmeyer 2012-6-27 741 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  POM12755  Salsola tragus P. A. Munz 1922-7-3 5947 Riverside Vandeventer Flat 1372 Comment
  SD262350  Saltugilia australis Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417 62 Riverside Peninsular Ranges: Wildomar, Sedco Hills, along transmission road between Lost Rd and Lake View Rd (Lake Elsinore 7.5'Q) 563 Comment
  UCR108863  Saltugilia australis Heidi A. Haid 1969-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR236900  Saltugilia australis Duncan S. Bell, Lucila Reccia 2010-5-5 966 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.4 air mi southeast of junction of Hwy 74 and FS Road 5S15 791 Comment
  UCR274304  Saltugilia australis T. B. Salvato, Melissa Clemons 2005-6-6 1424 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  CAS-BOT-BC489623  Saltugilia latimeri A. C. Sanders 2006-5-13 32282 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 mi SE of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Rd in vicinity of water tank 487 Comment
  RSA770679  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4756 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65124 604 Comment
  SEINET10499051  Salvia apiana David B. Dunn 1948-6-18 Dunn 3822 Riverside Campsite in cold water canyon on alluvial fan. Comment
  POM10096  Salvia carduacea Charlotte M. Wilder 1904-4-18 196 Riverside West Riverside. Comment
  SBBG89046  Salvia carduacea B. Pitzer, K. Kirtland 1986-5-7 220 Riverside Butterfield Stage Ranch development, Rancho California area, 1 mi S of Buck Mesa on the E side of Butterifeld Stage Rd 457 Comment
  HSC14332  Salvia columbariae C. L. Hitchcock 1966-3-15 24155 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA554430  Salvia columbariae Theo Glenn 1992-3-31 92 -6 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. Comment
  SBBG101785  Salvia columbariae S. Boyd, T. Ross, M. Hammitt 1991-5-2 6058 Riverside Vail Lake region, SW & W flanks of Billy Goat Mtn 3 mi N Hwy 79, 1 mi W of Hwy 371 600 Comment
  UCR135719  Salvia columbariae Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9000 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCR137496  Salvia columbariae D. L. Banks, V. W. Steinmann 1997-3-13 1487 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
  UCR174371  Salvia columbariae A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32657 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
  UCR208348  Salvia columbariae O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR245255  Salvia columbariae Jim Andre 2012-3-19 21295 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UCR279540  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-29 43185 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCSB44881  Salvia columbariae Collins, Elizabeth 1977-3-30 Riverside Corn Springs Campground; 8 miles south of Hwy. 10; base of Chuckwalla Mts 457 Comment
  UC310596  Salvia greatae M. Hill and M. Canby Mar 1926 Riverside wash E of Dos Palmas Comment
  UC354507  Salvia greatae Edmund C. Jaeger 1926-2-24 Riverside Canyon Springs Wash Colorado Desert, Blake Sea (above the sea-line of ancient Blake Sea on the Colorado Desert) 30 Comment
  CAS-BOT-BC224865  Salvia pachyphylla H. M. Hall 1901-6-1 2160 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert 1402 Comment
  UCLA69850  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mts. Comment
  CAS-BOT-BC233348  Salvia vaseyi Philip A. Munz; I. Johnston 1922-5-7 5285 Riverside Mouth of Dry Morongo Wash 365 Comment
  CLARK-A1528-3126  Salvia vaseyi John C. Roos 1948-5-8 3825 Riverside Whitewater Comment
  POM88191  Sambucus caerulea P. A. Munz, I. M. Johnston 1924-7-29 8888 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA650331  Sambucus mexicana W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  RSA621506  Samolus parviflorus D. L. Banks 1997-11-15 2195 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  RSA180500  Sanicula arguta E. W. Lathrop 1964-5-10 5363 Riverside 10 miles west of Murrieta. 610 Comment
  UCR135820  Sanicula bipinnata A. C. Sanders, Guy Bruyea 2004-4-2 27433 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  RSA524590  Sanicula bipinnatifida Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3904 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  UC73287  Sanicula bipinnatifida M. F. Gilman 1904-1 48 Riverside Southern California, Banning Banning; Southern California, Banning Comment
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Mar 21 2011
  RSA343867  Sanicula crassicaulis R. F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60659 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  POM15028  Sarcodes sanguinea Mary F. Spencer 1922-6-26 1206 Riverside Idyllwild. San Jacinto Mts. 1707 Comment
  UCR42  Sarcostemma cynanchoides Frank C. Vasek 1955-5-21 204 Riverside San Jacinto Mtns, Cranston Ranger Station, San Jacinto River Canyon 579 Comment
  UC495324  Sarcostemma cynanchoides subsp. hartwegii P. A. Munz 1932-4-24 12397 Riverside Snow Creek Canyon San Jacinto Mts., Snow Creek Canyon 457 Comment
  JOTR29559  Sarcostemma hirtellum Andre, Jim, Tasha LaDoux 2006-4-11 6733 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  RSA47452  Schedonorus arundinaceus J. C. Roos 1949-5-21 4317 Riverside Temecula. 304 Comment
  UCR209179  Schinus polygamus A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37155 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA0042170  Schismus arabicus Duncan S. Bell, Evan Meyer 2014-4-2 6516 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR214416  Schismus arabicus A. C. Sanders, Richard Dwerlkotte 2010-3-22 37502 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  RSA401453  Schismus barbatus Christopher Davidson 1973-4-1 1785 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  SD216459  Schismus barbatus Carol R. Annable 1995-3-10 2265 Riverside 1.6 kilometers south of Lake Cahiulla County Park. Comment
  RSA736655  Schoenoplectus americanus Justin M. Wood 2008-7-16 31 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  UCR163232  Schoenoplectus americanus D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  RSA388424  Schoenoplectus californicus Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61188 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  POM14334  Scirpus acutus var. occidentalis Phillip A. Munz, I. M. Johnston 1922-5-18 5328 Riverside Glen Ivy [now Glen Ivy Hot Springs], Temescal Canyon. Comment
  UC279706  Scirpus maritimus Edmund C. Jaeger 1925-5-18 Riverside Temecula Comment
  POM47439  Scirpus microcarpus Mary F. Spencer 1919-6-28 1234 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA366024  Scirpus microcarpus M. B. Dunkle 1933-7-21 3723 Riverside Idyllwild 1616 Comment
  RSA567437  Scrophularia californica J. Wear, Tim Wade 1991-5-7 91 -31 Riverside SW flank of Double Butte, SW of Homeland and N of Grand Ave. 427 Comment
  SEINET3078484 Image available Scrophularia californica Susan Larisch 1963-3-18 51 Riverside Growing at base of large rock about 1/2 way up large wash in the U.C.R. Botanical Garden. Comment
  UCR127102  Scrophularia californica Mitch Provance 1998-6-1 575 Riverside Jurupa Mountains, SW Pyrite Canyon, c. 0.4 miles SSE of peak 1768 442 Comment
  UCSB46710  Scrophularia californica Reimer, Neil 1977-5-13 Riverside In Box Springs Mt. Park Comment
  RSA739712  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35641 Riverside Peninsular Range; San Jacinto Mtns.: May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  RSA740238  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-8 12366 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  SD247449  Scutellaria mexicana A. C. Sanders, Jim Malusa 2015-9-10 41857 Riverside Sonoran (Colorado) Desert: Bradshay Trail, 0.85 mile SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  UCR128301  Sedum spathulifolium Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8650 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
  SEINET2054637 Image available Senecio californicus Dave Hawks 1986-4-16 Riverside Alta Mesa wind turbine field, on the ridge abvove Whitewater Canyon, W of Bonnie Berll. (Whitewater UTM 10 km cell: NH-N5, E3) Comment
  SEINET6659386  Senecio californicus R. L. Piemeisel 1914-2-23 3816 Riverside Crestmore field.; 0 Comment
  JEPS23577  Senecio mohavensis Peter H. Raven 1958-3-15 11851 Riverside Box Canyon Comment
  RSA501017  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3136 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA544438  Senecio vulgaris Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6345 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  LA77503  Senegalia greggii Tom O'Donnell; 1953-5-24 sn Riverside 2 mi. from the intersection of Highway 74 and 111 Comment
  SD229142  Senegalia greggii Dick Schwenkmeyer 2013-6-11 920 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  JOTR32323  Senna armata Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  SBBG25154  Senna armata Leota Davidson 1965-5-13 138 Riverside Joshua Tree Nat Monument Comment
  SD127580  Senna armata Carl B. Wolf 1932-4-27 3022 Riverside 17 miles east of Mecca, on Blythe Road. 500 Comment
  RSA0031605  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009 -5 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Right (as ascending) of Black Mountain Trail in flat open area on the sloping plateau or saddle, just above the head of Hall Canyon. 2093 Comment
  CLARK-A1528-2876  Sesbania exaltata John C. Roos 1937-8-22 1211 Riverside Blythe Comment
  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
  UC1930966  Sesuvium verrucosum R. E. Riefner Jr. 2008-8-25 05 -648 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. Comment
  UCR2739  Setaria pumila F. M. Reed 1904-7-31 57 Riverside South Coast; San Bernardino Valley, Riverside, Santa Ana River above Salt Lake Bridge 244 Comment
  UCR132922  Sidalcea malviflora 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
  POM13266B  Sidalcea malviflora subsp. sparsifolia P. A. Munz, I. M. Johnston 1922-5-19 5441 Riverside Hemet Valley, San Jacinto Mountains, 1 mile from Garner Ranch. 1372 Comment
  CAS-BOT-BC109421  Sidotheca emarginata Peter H. Raven 1958-5-18 13002 Riverside Pinon Flats, San Jacinto Mountains. Comment
  CAS-BOT-BC434389  Sidotheca trilobata John Thomas Howell 1931-5-30 6614 Riverside Santiago Peak, Santa Ana Mts. Comment
  RSA585515  Silene antirrhina D. L. Banks, Steve Boyd 1995-5-9 0377 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 710 Comment
  UC55875  Silene antirrhina H. M. Hall April 1902 2966 Riverside vicinity Riverside; vicinity of Riverside 457 Comment
  SD137807  Silene gallica Darin L. Banks, Steve Boyd 1995-5-3 295 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 509 Comment
  UCR169638  Silene gallica 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
  RSA180462  Silene gallica E. W. Lathrop 1960-6-8 4904 Riverside 14 miles west of Murrieta. Comment
  UCR205288  Silene verecunda subsp. platyota Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1701 Riverside San Jacinto Mountains, junction of Dark Canyon and Fuller Mill Creek 1585 Comment
  RSA407741  Silybum marianum Steve Boyd 1986-4-22 1726 Riverside Temescal Canyon, Walker Canyon area where Alberhill Creek flows between Alberhill Mountain and Gavilan Hills Comment
  CAS-BOT-BC202940  Simmondsia chinensis P. A. Munz 1921-4-30 4490 Riverside Near Pinyon Wells 1219 Comment
  RSA496125  Simmondsia chinensis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 3002 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UCR96125  Simmondsia chinensis B. G. Pitzer 1996-11-11 2929 Riverside Sonoran (Colorado) Desert, Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. south of Bob's Cabin 274 Comment
  UCSB8649  Simmondsia chinensis Haller, Norman 1953-5-24 Riverside 3 1/2 miles S. of Palm Springs Indio Rd. on Hwy. 74 Palms to Pines Hwy. 152 Comment
  SBBG26815  Sinapis alba C. B. Wolf 1936-4-21 Riverside 4 mi S of Riverside, S of Jurupa Rd Comment
  CAS-BOT-BC126712  Sisymbrium altissimum A. C. Sanders; Matthew Malle 2010-4-23 38007 Riverside Peninsular Range: Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA594785  Sisymbrium altissimum D. L. Banks, Dylan Hannon 1996-5-3 980 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  CAS-BOT-BC75183  Sisymbrium erysimoides A. C. Sanders; O. F. Clarke; M. Humboldt 1992-1-18 12009 Riverside Riverside. In the median strip of Victoria Avenue, near Jefferson Street. Comment
  UCR119438  Sisymbrium erysimoides A. C. Sanders, T. B. Salvato 2000-5-18 23394 Riverside Sonoran (Colorado) Desert, Coachella Valley, east side of the Coachella Canal south of Ave. 56 and north of Ave. 60, where Imperial Irrigation Dist. powerline leaves wash 18 Comment
  CAS-BOT-BC75243  Sisymbrium irio F. R. Lawson 1930-3-9 R 12 Riverside Riverside. Comment
  SD13375  Sisymbrium irio Dorothy R. Harvey 1936-2-8 Riverside Citrus Experiment Station Orchard, Riverside. Comment
  SD137825  Sisymbrium orientale Darin L. Banks, Steve Boyd 1995-5-3 228 Riverside Cleveland National Forest, Agua Tibia Wilderness Area,East of Dripping Springs Alcove Area, along lower alluvial benches of Arroyo Seco 512 Comment
  RSA234100  Sisyrinchium bellum Robert F. T