Search Results — 2000 specimen records retrieved (1909 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/cch_archive/).
 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
  UCR67737  Abies concolor Frank C. Vasek 1977-11-25 771125- 09 Riverside San Jacinto Mtns., area around Cinco Posos Spring below Black Mountain look-out Comment
  CAS-BOT-BC229312  Abronia villosa Mrs. J. C. Angsbury 1926-1-1 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC229325  Abronia villosa Alice Eastwood 1913-4-30 3111 Riverside Palm Springs Comment
  CAS-BOT-BC229349  Abronia villosa S. B. Parish 1913-2-28 8474 Riverside Mecca, Salton Sink 60 Comment
  CAS-BOT-BC229352  Abronia villosa L. R. Abrams 1926-3-26 11023 Riverside Palm Springs Comment
  CAS-BOT-BC229368  Abronia villosa J. Von Loh 1978-1-23 3296 Riverside Palo Verde Mesa, 12 mi SW. of Blythe 121 Comment
  CSUSB1082  Abronia villosa Sally Bell 1964-3-15 Riverside Cathedral City, in dry wash about 300 yards behind Travel Lodge Trailor Park off Highway 111. 91 Comment
  POM14999  Abronia villosa Mary F. Spencer 1922-3-23 1330 Riverside Mecca, Colorado Desert -49 Comment
  RSA27921  Abronia villosa C. L. Hitchcock 1940-4-4 5951 Riverside Pinto Basin. Comment
  SDSU8419  Abronia villosa A. H. Gallup 1949-3-28 399 Riverside On desert floor 2 miles south of Palm Springs. 91 Comment
  SEINET3134333  Abronia villosa N. H. Holmgren, R. E. Kern 1973-3-22 6458 Riverside Rice Valley, 7 mi SSW of Rice 274 Comment
  RSA0014457  Abronia villosa var. aurita Justin M. Wood, J. Miner 2010-4-29 1530 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA461184  Abronia villosa var. aurita T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  UCR35205  Abronia villosa var. pinetorum L. B. Ziegler 1966-8-25 80 Riverside San Jacinto Mtns., Hemet (Thomas/Garner) Valley 1402 Comment
  CSUSB582  Abronia villosa var. villosa Wayne White 1975-5-10 Riverside Chuckwalla Mountains On Highway I-10 near Red Cloud Rd. Colorado Desert; Chuckwalla Mountains. 771 Comment
  UCR116459  Acacia redolens A. C. Sanders, T. B. Salvato 2001-3-30 23856 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  CAS-BOT-BC30907  Acamptopappus sphaerocephalus Herman Knoche 1919-6-2 635 Riverside Whitewater Comment
  CAS-BOT-BC30910  Acamptopappus sphaerocephalus Howard Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  RSA696775  Acamptopappus sphaerocephalus W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  RSA416163  Acamptopappus sphaerocephalus var. sphaerocephalus Anstruther Davidson 1993-4-10 s.n. Riverside Palm Springs. Comment
Read comments
Mar 20 2013
  RSA730112  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1966-10-15 41805 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA263609  Acer macrophyllum E. W. Lathrop 1968-3-22 6917 Riverside Main Divide Truck, trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
Read comments
Apr 28 2011
  CAS-BOT-BC20351  Achillea millefolium P. Raven; R. Snow 1957-7-26 11108 Riverside Meadow just below Vista Grande Ranger Station, Banning - Idyllwild road, San Jacinto Mts. Comment
  RSA557901  Achillea millefolium Steve Boyd, Orlando Mistretta 1992-4-22 7014 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA6073  Achnatherum coronatum C. B. Wolf 1932-5-24 3660 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  RSA673498  Achnatherum coronatum Scott D. White, Sandy Leatherman 2000-4-19 7664 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  RSA771663  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4906 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
  UC159238  Achnatherum hymenoides E. E. Schellenger 1911-4-24 Riverside s Palm Springs; Colorado Desert Comment
  JEPS485  Achnatherum speciosum W. L. Jepson 1928-4-25 12574 Riverside Cottonwood Spring Colorado Desert 731 Comment
  RSA27234  Achnatherum speciosum C. L. Hitchcock 1940-4-12 6046 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA559928  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Paloma Valley betweeen Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd. and Scott Rd. Comment
  RSA423498B  Achyronychia cooperi Robert L. Dressler 1949-3-19 387 Riverside Box Canyon, Orocopia Mts. Comment
  SD37813  Acmispon argophyllus var. argophyllus Edith A. Purer 1935-4-21 6475 Riverside Near Palm Springs, western edge of the Colorado Desert Comment
  RSA0071983  Acmispon heermannii var. heermannii J. M. Andre 2012-6-15 30522 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  OBI5743  Acmispon micranthus Charlotte M. Wilder 2004-4-26 61 Riverside Wilder's Canon Jurupa Hill Comment
  SBBG51126  Acmispon micranthus N. R. Zabriskie, W. Zabriskie 1973-4-3 609 a Riverside top of Poorwill Cyn, Andreas Cyn area 426 Comment
  CHSC99616  Acmispon strigosus LeRoy Gross 2005-3-3 1591 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. Growing in sandy wash. 225 Comment
  UCSB18876  Acmispon strigosus Winn, Will 1963-5-4 Riverside County Highway R-1, 13.3 miles N of Lake Fillmore Picnic area 853 Comment
  RSA768503  Acroptilon repens Justin M. Wood 2009-11-30 1387 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR272482  Acroptilon repens Mitch Provance 2013-6-18 613- 28 Riverside San Bernardino Valley, Riverside, S corner of North Main St. and Dublin Way. 247 Comment
  CAS-BOT-BC22562  Adenophyllum porophylloides C. L. Hitchcock; C. V. Muhlick 1964-3-22 23270 Riverside West end of Pinto Basin, Joshua Tree National Monument Comment
  JOTR31947  Adenophyllum porophylloides La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2185 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  SEINET5537633  Adenostoma fasciculatum R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians. 1524 Comment
  UCR174126  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32634 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
  RSA453182  Adenostoma sparsifolium Gale Sphon 1955-5-22 s.n. Riverside Vanderventer Flat (Ribbonwood, Redshank) Comment
  SFV20160  Adenostoma sparsifolium J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .7 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UCR137193  Adenostoma sparsifolium M. B. Dunkle 1934-11-3 4234 Riverside Santa Rosa Mtn., Ribbonwood 1524 Comment
  RSA0034426  Adenostoma sparsifolium Louis C. Wheeler 1931-10-4 175 Riverside Hemet-Idyllwild Road 1372 Comment
  SBBG210  Adiantum capillus-veneris H. and M. Dearing 1942-1-30 4790 Riverside Palm Cyn near Palm Springs Comment
  RSA535476  Adiantum jordanii Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6654 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  UC4152  Agave deserti H. M. Hall Jun 1901 2117 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); Colorado Desert Comment
  RSA750749  Agoseris retrorsa Scott D. White, Justin M. Wood 2009-5-22 12892 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SD144503  Agrostis exarata Scott White 1996-8-1 4428 Riverside Idyllwild area: San Jacinto Mtns, Hwy 243 at Deer Springs trailhead and adjacent area. 1700 Comment
  UCR2124  Agrostis idahoensis F. M. Reed 1908-7-14 2473 Riverside San Jacinto Mtns., Meadow in Round Valley 2744 Comment
  CAS-BOT-BC139097  Agrostis pallens H. M. Hall 1901-6-1 2209 Riverside San Jacinto Mountains. Along water courses in the vicinity of Strawberry Valley. 1645 Comment
  RSA591754  Agrostis pallens E. W. Lathrop 1966-5-29 6378 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  SEINET1908637 Image available Agrostis pallens A. C. Sanders, Mitch Provance 2008-1 35792 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station (Idyllwild 7.5' Q.) 1450 Comment
  UC1137067  Agrostis scabra August L. Hormay 1932-8-8 Riverside Tahquitz Valley Comment
  RSA740791  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12419 Riverside Johnson Meadow 1415 Comment
  UCR175070  Ailanthus altissima Teresa Nieto 2005-5-26 26 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA552767  Alchemilla occidentalis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6762 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 671 Comment
  UCR97757  Alchemilla occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  RSA644307  Allionia incarnata Ed LaRue 1993-4-28 s.n. Riverside Colorado Desert: Blythe Landfill, along Blythe-Midland Rd., 3 mi. S of the Big Maria Mtns., 6 mi. W of Colorado R. 121 Comment
  JOTR32112  Allionia incarnata var. incarnata Harding, Mitzi, Kipp Callahan 2012-8-27 287 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  POM172031  Allium haematochiton F. M. Reed 1930-4-15 6814 Riverside Plateau south of Gavilan Peak. [Gavilan Plateau] Comment
  RSA286816  Allium lacunosum var. lacunosum Robert F. Thorne 1974-5-23 44661 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  UCR42165  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  RSA740615  Allium peninsulare Scott D. White, Justin M. Wood 2008-6-19 12255 Riverside USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  RSA771812  Allium peninsulare Steve Boyd 2010-5-23 12276 Riverside Elsinore Peak, fuelbreak near summit, just west of communications towers. 1073 Comment
  POM1672  Allium peninsulare var. peninsulare E. Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  RSA162778  Allium praecox J. D. Olmsted 1959-4-17 404 Riverside Eagle T.T. 0.5 mile east of intersection with Main Divide T.T.; 10 miles SSW of Corona. Santa Ana Mountains, Santa Ana River Drainage Area 732 Comment
  RSA734227  Allium praecox Keith E. Hoffmaster 1934-4-8 144 Riverside Santa Ana Mts. Comment
  CDA2737  Allium triquetrum A. C. Sanders, T. B. Salvato 2003-4-3 25830 Riverside San Bernardino Valley/Upper Santa Ana River; Riverside, UCR campus, between East Campus Drive and Parking Lot 10 Comment
  UCR139151  Allophyllum S. J. Myers, Andrei Krylor 2003-4-30 s.n. Riverside San Jacinto Mtns. Region, Reed Valley, c. 1.5 mi. SW of Little Cahuilla Mtn. 1098 Comment
  RSA507476  Allophyllum divaricatum Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  RSA719474  Allophyllum divaricatum R. E. Riefner Jr. 2005-7-31 05 -573 Riverside Peninsular Ranges Province, Agua Tibia Moutains, SE of Temecula, Cleveland National Forest, Agua Tibia Wilderness, NW slope of Agua Tibia Mountain, ca. 1.5 mi WNW of Woodchuck Rd. 665 Comment
  UCR16651  Allophyllum divaricatum Tony Beck 1968-5-4 s.n. Riverside San Jacinto Mtns., 4 mi. south of Banning on Hwy '74' [ 243] 915 Comment
  POM3528  Allophyllum glutinosum Jenkins, L. T. Street 1917-5-30 1948 Riverside San Jacinto Canyon. Comment
  CHSC271  Almutaster pauciflorus E. Thomas 1940-7-18 Riverside Palm Canyon. 243 Comment
  SD248310  Alternanthera caracasana Oscar Avila 2015-8-6 Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux (Riverside West 7.5'Q) 227 Comment
  RSA0018885  Amaranthus palmeri Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6020 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  UCR89729  Amaranthus palmeri J. M. Stewart 1990-9-23 658 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  RSA715263  Amaranthus powellii A. C. Sanders 1999-9-26 23104 Riverside Garner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley 1448 Comment
  UC56557  Amaranthus powellii H. M. Hall Aug 1901 Riverside vicinity of Riverside Southern California 304 Comment
  UCR174334  Amaranthus retroflexus A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23169 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA32428  Ambrosia acanthicarpa N. C. Cooper 1943-9-10 916 Riverside Banning. 610 Comment
  CAS-BOT-BC45012  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  CAS-BOT-BC22613  Ambrosia dumosa R. F. Hoover 1969-4-11 11219 Riverside Mouth of Morongo Valley Canyon Comment
  IRVC731  Ambrosia dumosa A. S. Boughey 1965-3-15 105 Riverside Above Palm Springs. northern Sonoran Desert 457 Comment
  JEPS40963  Ambrosia dumosa W. L. Jepson 1928-4-25 12618 Riverside dry hills, (at w edge of Eagle Mountains) Cottonwood Springs; Colorado Desert, Joshua Tree National Monumnet, Eagle Mounta 731 Comment
Read comments
Oct 9 2010
  LA202895  Ambrosia dumosa Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  RSA696749  Ambrosia dumosa J. Russell Bruff 1922-04 s.n. Riverside Palm Springs. Comment
  SBBG7543  Ambrosia dumosa H. and M. Dearing 1936-12-25 2332 Riverside Thousand Palms Cyn Comment
  UCR228405  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 143 Riverside Little San Bernardino Mountains, Hwy 177, north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  UCSB7135  Ambrosia dumosa Hurd, Richard 1956-4-14 Riverside On road to Devils Garden, 3 mi. from Highway 99 Comment
  RSA0130720  Ambrosia dumosa Glen Rink 2013-3-19 11891 Riverside About twelve west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  SEINET10725765  Ambrosia dumosa David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3612 Riverside Pushawalla Canyon, Indio Hills of the Colorado desert; west of Indio. Comment
  HSC25927  Ambrosia ilicifolia Richard Spjut 1972-1-20 2126 Riverside Colorado Desert; washes leading from the N base of the Chuckawalls Mts. 305 Comment
  RSA668473  Ambrosia ilicifolia S. Granger 1979-2-18 s.n. Riverside Chuckawalla Mountains. Comment
  RSA561514  Ambrosia psilostachya Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7659 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR261171  Ambrosia pumila A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41726 Riverside Elsinore Trough, north of Elsinore on east side of Baker St., 0.13 km NNE (14 deg. ) of end of Turnbull Ave. at Baker St. junction 398 Comment
  UC480979  Ambrosia salsola F. M. Reed 1917-5-19 3833 Riverside and vicinity Riverside (desert near White Water Station); Colorado Desert Comment
  UC64800  Ambrosia salsola E. E. Schellenger 1904-2-15 72 Riverside e of town Walters; Colorado Desert Comment
Read comments
Apr 24 2011
  UCR213431  Ambrosia salsola A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37434 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
  UCR243154  Ambrosia salsola LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4285 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  JEPS20779  Ambrosia salsola var. salsola Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13235 Riverside 11.3 mi n Blythe (U.S. 95 in wash arising in Big Maria Mts.); Big Maria Mts. Comment
  UCR19670  Amelanchier utahensis Art Whistler 1966-5-8 s.n. Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  UCR161033  Ammi majus B. G. Pitzer 1993-5-6 s.n. Riverside Riverside, in the yard of the Pitzer residence, Wendel Way 335 Comment
  RSA78298  Amorpha californica P. A. Munz, E. K. Balls 1952-8-21 17988 Riverside Road to Santa Rosa Mt. from Vandeventer Flats. Comment
  POM1905  Amorpha fruticosa I. M. Johnston 1918-5-30 s.n Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  RSA606084  Amorpha fruticosa R. S. Woglum 1941-5-14 3039 a Riverside Peninsular Ranges / Sonoran Desert transition: Coyote Canyon. Comment
  RSA145924  Amsinckia intermedia William McKinley Klein, J. E. Klein 1958-2-9 18 Riverside 4.5 mi. northwest of Alberhill (Calif. hwy 71). Comment
  SD133163  Amsinckia intermedia Scott White 1991-3-22 Riverside Los Alamos Road, ca. 2 miles west of I-215 exit, by road; just east of the city of Murrieta 365 Comment
  SD137842  Amsinckia intermedia Darin L. Banks, Steve Boyd 1995-5-3 242 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, North slope of Agua Tibia Mountain, East of Dripping Springs Alcove Area,Arroyo Seco 500 Comment
  UCR174451  Amsinckia intermedia A. C. Sanders 2006-5-11 32262 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR234221  Amsinckia intermedia A. C. Sanders, John F. Green 2012-3-20 39973 Riverside Peninsular Range; Gavilan Hills Area, hills east of Lake Elsinore, along Hwy 74 near Meadowbrook Ave. 512 Comment
  UCR260834  Amsinckia intermedia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41521 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  UCR103725  Amsinckia menziesii A. C. Sanders, G. Helmkamp 1997-3-15 19982 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  HSC82821  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton 1986-3-1 6015 Riverside Chuckwalla Valley, 1 mi. W of Hayfield Lake, 2 mi. SW of the pumping station on small cutoff road from Hayfield Rd. to the dirt road to the Colorado River Aqueduct 427 Comment
  POM14034  Amsinckia tessellata P. A. Munz, D. D. Keck 1922-4-15 4987 Riverside Near Moreno. Grain field. 366 Comment
Read comments
Mar 20 2011
  UCR3413  Anagallis arvensis H. M. Whistler 1964-5-10 640510- 01 Riverside City of RIverside; UCR campus at 3401 Avocado, in lawn 335 Comment
  RSA559934  Ancistrocarphus filagineus Steve Boyd 1992-4-18 6903 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  SD137914  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 329 Riverside Northwest Palomar Mountains, north of Agua Tibia Wilderness Area; north slope of Agu Tibia Mountain, the Dorland Mountain area. 730 Comment
  JEPS12261  Anemopsis californica W. L. Jepson May 17 1901-Jun 1 1901 1243 Riverside near San Jacinto Lake (Journey from Riverside to Santa Rosa Peak and Palomar); Southern California Comment
  SBBG65810  Anthemis cotula M. N. Ackley -Feb-1926 288 Riverside near Edom, Colorado Desert Comment
  SD178245  Antirrhinum coulterianum John Wear 1998-7-8 Riverside San Jacinto Mountains; Pine Meadow in eastern Garner Valley, R-Ranch, just east of Highway 74, between Gold Hill and Thomas Mountain. 1372 Comment
  RSA757449  Antirrhinum nuttallianum Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55228 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  UCR133647  Antirrhinum nuttallianum 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
  UC1536018  Antirrhinum nuttallianum subsp. nuttallianum Robert F. Thorne and Earl Lathrop 1975-5-25 45547 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro (Mesa de Burro) 609 Comment
  UCR80818  Arabis glabra Scott D. White 1993-5-29 1481 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  SEINET238559  Arabis perennans George K. Helmkamp 1998-6-27 4112 Riverside Santa Rosa Mtns.: 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. below Mountain Home Spring. 1799 Comment
  UCR96264  Arceuthobium campylopodum Scott D. White 1996-8-1 4451 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  RSA629129  Arctostaphylos Jon E. Keeley 1992-7-17 16782 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629384  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19512 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629435  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16849 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  CAS-BOT-BC23115  Arctostaphylos glandulosa subsp. glandulosa H. M. Hall 1901-7-1 2419 Riverside San Jacinto Mts. In open forersts of Tauquitz Valley 2560 Comment
Read comments
Sep 12 2019
  RSA520945  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, D. E. Bramlet 1988-10-8 2869 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR133431  Arctostaphylos glandulosa subsp. mollis Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 447 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA631802  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20100 Riverside Highway 371, 1 km east of Anza. 1220 Comment
  RSA631852  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16604 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  RSA632644  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16578 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA721870  Arctostaphylos glauca Michael Wall 2007-2-16 427 Riverside San Jacinto Valley off dirt road along wash feeding Bautista Creek off Bautista Creek Rd. 3.0 miles SE of Fairview Avenue 678 Comment
  RSA633626  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22663 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633663  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16657 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633702  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16672 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633752  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21787 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA635198  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16775 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  POM12411  Arctostaphylos patula subsp. platyphylla P. A. Munz 1922-9-7 6415 Riverside North fork of Tahquitz Creek. 2287 Comment
  CAS-BOT-BC44328  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Rocky ridges near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  CAS-BOT-BC44363  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idylwild Comment
  RSA635654  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16865 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA679988  Arctostaphylos pringlei subsp. drupacea LeRoy Gross, Firoozeh Navid-Ara, Valerie Soza 2003-6-23 1120 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  UC219282  Arctostaphylos pringlei subsp. drupacea Munz and Johnston 1922-5-20 5490 Riverside head of Hemet Valley San Jacinto Mts. 1524 Comment
  POM367447  Arctostaphylos pungens Albert J. Perkins 3303 Riverside Idyllwild region Comment
  RSA1387  Arctostaphylos rainbowensis J. T. Howell 1928-7-9 399 Riverside Temecula Grade, 4 miles S of Temecula. 396 Comment
  RSA635999  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21609 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  UCR209400  Arctostaphylos rainbowensis Fred M. Roberts, Robt. L. Allen 2008-2-23 6709 Riverside Santa Ana Mountains, Rancho California, vicinity of Santa Rosa Plateau, Rancho California Road c. 2.2 km by road east Jefferson Ave. in Temecula 419 Comment
  UC667360  Arenaria macradenia var. macradenia Annie M. Alexander and Louise Kellogg 1941-5-7 2133 Riverside 12 mi sw 29 Palms; Joshua Tree National Monument 1310 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
  RSA0046705  Argythamnia claryana Jim Andre 2014-1-27 26651 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA517248  Aristida adscensionis Steve Boyd, Thomas S. Elias, Kirsten Winter 1986-2-18 1313 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA704541  Aristida adscensionis LeRoy Gross 2005-3-3 1581 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UC665890  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside 8 mi ne Desert Center (s end of mts.); Coxcomb Mountains Comment
  UCD56419  Aristida adscensionis H. S. Yates 1937-3-23 6436 Riverside 15 miles NNE of Mecca. 457 Comment
  UCD56429  Aristida adscensionis Geoffrey Levin 1976-10-17 1176 Riverside Colorado Desert, Mecca Hill, Salton Sea Basin, Box Canyon, about 11 miles east of Mecca. 91 Comment
  CLARK-A1528-4469  Aristida fendleriana John C. Roos 1938-8-7 583 Riverside San Jacinto Mountains Comment
  UCR37468  Aristida parishii Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills, Estelle Mtn. Comment
  UCD56564  Aristida purpurea var. nealleyi F. M. Reed 1927-3-18 5426 Riverside Colorado Desert, Salt Creek Wash. 152 Comment
  UCR19681  Aristida purpurea var. nealleyi John C. Roos 1938-8-7 582 Riverside San Jacinto Mtns., Road bank near San Jacinto River, east of Hemet 701 Comment
  SEINET7596234 Image available Aristida purpurea var. purpurea Parish 1882-1 1549 Riverside San Jacinto Comment
  RSA508336  Artemisia dracunculus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  UCR97265  Artemisia ludoviciana subsp. albula Bern Schwenn 1994-9-18 s.n. Riverside Little San Bernardino Mtns., E end of range to SW of Pleasant Valley, on summit of Bernard Peak 1646 Comment
  RSA0025283  Asclepias albicans J. Andre 2013-3-4 23873 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  RSA714008  Asclepias californica Elbert Benjamine 1929-5-18 221 Riverside Mt. San Jacinto. 1524 Comment
  UCR17634  Asclepias eriocarpa O. F. Clarke 1975-7-20 s.n. Riverside San Jacinto Mtns, Valley Hi Co. Park at McMullen Flats off Hwy 243 1183 Comment
  POM12717  Aster alpigenus var. andersonii Philip A. Munz 1922-7-6 5997 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR19769  Astragalus crotalariae 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
  SBBG68215  Astragalus douglasii R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  CAS-BOT-BC178440  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild. Comment
  POM1998  Astragalus douglasii var. parishii H. M. Hall 1901-06 2229 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  UC13446  Astragalus douglasii var. parishii H. M. Hall May 1899 1158 Riverside Van de Venter's San Jacinto Mountians, El Toro Region, Van de Venter's (in the El Toro Region, San Jacinto Mountains) 1371 Comment
  UC13326  Astragalus filipes H. M. Hall 1899-5-26 1182 Riverside Hemet Valley , Hemet Valley (San Jacinto Mountains) 1371 Comment
  RSA522754  Astragalus gambelianus Steve Boyd 1990-3-29 3861 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA0021327  Astragalus lentiginosus var. coachellae Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4653 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  UCR186855  Astragalus lentiginosus var. variabilis Naomi Fraga, Et al. 2005-3-30 1541 Riverside Sonoran (Colorado) Desert/Mojave Transition, dunes in the southern portion of the Pinto Basin. Joshua Tree National Park 549 Comment
  SEINET948513  Astragalus mohavensis Unknown 1920-1 165 Riverside Monsen Canyon, Eagle Mts. Comment
  JOTR34280  Astragalus palmeri La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3295 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  RSA160531  Astragalus pomonensis J. D. Olmsted 1959-4-18 427 Riverside Santa Ana Mtn. base. 3 miles N of Elsinore on Hwy 71 in weedy area on East side of road. 335 Comment
  RSA716395  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-5 9979 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR111598  Astragalus pomonensis Mitch Provance 1998-4-8 1773 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCR241788  Astragalus pomonensis A. C. Sanders, Dave King 2013-4-10 40787 Riverside Peninsular Range; Perris-Aguanga Basin, old quarry site north of Sun City, along SCE powerline route west of I-215, parallel to McLaughlin Rd., near intersection with Byers/Wheat Rd., SSE of Perris 446 Comment
  POM310172  Astragalus tricarinatus Hulda Crooks 1946-4-15 352 Riverside 29 Palms Canyon 396 Comment
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Apr 12 2011
  RSA614428  Astragalus tricarinatus Aaron Liston, L. H. Rieseberg, Oscar Dorado 1992-3-26 852 Riverside Whitewater Canyon, 0.8 miles N of Whitewater Comment
  CAS-BOT-BC17417  Athysanus pusillus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4041 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along highway 79, east of USFWS Dripping Springs Guard Station. 609 Comment
  SD45170  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well. 580 Comment
  UC724310  Atrichoseris platyphylla Aven Nelson, Ruth A. Nelson 1939-3-29 3328 Riverside near Mecca; Hidden Springs Canyon Comment
  SD143553  Atriplex canescens G. S. Nuessly 1980-10-16 Riverside Coachella Valley: Indio, southeast corner of Kenner Ave. and Monroe St., between Fred Waring Dr. and the Whitewater River Channel. Comment
  SEINET3930643  Atriplex canescens Grant D. Brown 1950-3-29 520 Riverside Aguanga on highway #79.; 0 549 Comment
  SEINET3930704  Atriplex canescens Howard Stutz 1977-11-17 8192 Riverside East of Cabazon, Plants abundant.; 0 Comment
  UC527696  Atriplex canescens C. B. Wolf 1931-10-14 2462 Riverside roadside at Cabezon (San Gorgonio Pass); , Cabezon 518 Comment
  SD80076  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-7-29 332 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  UCR104621  Atriplex coronata var. notatior D. E. Bramlet 1997-5-1 2548 Riverside Nichols Road Wetlands; c. 183 m SE of Nichols Road, 91 m west of Collier Ave. and 196 m west of the I-15; east of the dirt road extending S from Nichols Road. and adjacent to Alberhill Creek Comment
  UCR159814  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4316 Riverside Southern Coastal Slope; Perris Basin, Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave and first road east of I-215 427 Comment
  UCR266252  Atriplex coronata var. notatior D. E. Bramlet 2006-5-5 3981 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west Hemet area, north of Stetson Ave. and east of the EMWD canal 456 Comment
  UCR208450  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
  UCR196353  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 B Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR42488  Atriplex hymenelytra P. J. Leary 1975-4-13 1059 Riverside Sonoran (Colorado) Desert, just SW of Pinto Well, Joshua Tree National Monument 366 Comment
  SD123921  Atriplex lentiformis subsp. lentiformis Barry A. Prigge 1980-9-17 4057 Riverside Coachella Valley stormwater channel; east of Munroe St., Indio. Comment
  RSA24225  Atriplex linearis C. B. Wolf 1941-1-5 s.n. Riverside Colorado Desert, Caleb, (on S.P.R.R. siding) S. of Mecca. -61 Comment
  UCR24187  Atriplex parishii John C. Roos 1937-8-17 1214 Riverside 5 mi west of Hemet [Hwy 74 near Homeland] Comment
  CAS-BOT-BC176536  Atriplex polycarpa S. B. Parish 1912-6-28 8116 Riverside Near Mecca, upper end Salton Sea Comment
  UCR35146  Atriplex rosea L. B. Ziegler 1967-8-29 209 Riverside San Jacinto Mtns, Hemet [Garner] Valley 1372 Comment
  POM248433  Atriplex semibaccata Philip Crow 1939-7-9 s.n. Riverside Blythe. Comment
  UCR240169  Atriplex suberecta R. E. Riefner Jr. 2012-3-31 12- 64 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  UCR201872  Atriplex triangularis Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  RSA385408  Avena barbata H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  UCR82243  Avena fatua J. M. Stewart 1994-5-2 863 Riverside Western Colorado Desert, Coachella Valley, Thermal, Tyler St. and Avenue 66 Comment
  RSA426790  Ayenia compacta E. Dean 1929-5-6 s.n. Riverside Mts. of W. side of Colorado desert. Near Elsinore. Comment
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Jul 17 2015
  JOTR32850  Baccharis brachyphylla La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1169 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  POM319735  Baccharis emoryi Patricia Wilder 1971-11-11 5306 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UC1922056  Baccharis glutinosa Scott D. White, Angelia Carey 2004-4-5 10017 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  RSA596667  Baccharis pilularis Darin L. Banks, Lauren Raz 1996-11-5 1148 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  UCR141243  Baccharis pilularis subsp. consanguinea A. C. Sanders, Kelly Volansky 2004-10-6 28815 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  RSA716192  Baccharis salicifolia Scott D. White, Angelia Carey 2004-4-5 10017 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR139038  Baccharis salicifolia D. L. Banks, V. W. Steinmann 1997-3-13 1426 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  SDSU13986  Baccharis salicina Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2110 Riverside North end of second small, dry meadow north of El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UCR260956  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  CLARK-A1528-1632  Baccharis sergiloides John C. Roos 1937-8-20 2500 Riverside San Jacinto Mountains Comment
  RSA48881  Baccharis sergiloides J. C. Roos, L. Roos 1949-9-17 4660 Riverside E side Whitewater Canyon, 2.2 mi. N of Hwy 99 [=I-10]; W side of Painted Hill. 612 Comment
  RSA645608  Baccharis sergiloides Scott D. White, Steve Ogg 1994-4-21 1963 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  CDA41203  Bacopa monnieri G. D. Barbe 1983-1-24 4035 Riverside Desert Island Country Club, northeast of Rancho Mirage. 0 Comment
  POM182202  Bahiopsis parishii Philip A. Munz 1932-4-24 12387 Riverside San Jacinto Mountains: Snow Creek Canyon 457 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
  SBBG65724  Baileya pauciradiata L. Rowntree 1930-5-8 Riverside cyn S of Deep Cyn Comment
  SEINET10479071  Bassia hyssopifolia Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4921 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  POM49357  Bebbia juncea Philip A. Munz 1924-6-21 8203 Riverside Temecula Canyon. Comment
  UCR136262  Bebbia juncea A. C. Sanders 2004-6-20 28231 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., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  UCR78047  Bebbia juncea Scott D. White 1993-4-22 1225 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  SDSU13762  Berberis aquifolium var. dictyota T. Cass 1975-4-10 74 -671 Riverside 3/4 mile down road parallel to Brown Creek in Santa Ana Mts. 914 Comment
  SD181675  Berberis dictyota Scott D. White, Pam DeVries 2000-4-25 7735 Riverside Temescal Valley, eastern foothills of Santa Ana Mountains just above citrus groves; Corona South [quad]. 412 Comment
  UCR59772  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3001 Riverside Vail Lake Area, Temecula Creek Cyn below Vail Lake dam 457 Comment
  RSA512158  Bloomeria crocea var. crocea Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  CAS-BOT-BC16092  Boechera californica J. F. Emmel 1969-6-25 170 Riverside San Jacinto Mountains. Idyllwild, between Double View Drive and Middle Ridge Drive on fire trail. Comment
  CAS-BOT-BC16256  Boechera glaucovalvula Philip Alexander Munz 1949-4-11 13019 Riverside Mohave Desert. North base of Eagle Mountains. Near Conejo Well. 914 Comment
  SBBG72287  Boechera pendulocarpa R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2438 Comment
  CDA23854  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside Peninsular Ranges, Perris-Aguanga Basin region.; San Jacinto, behind post office, 288 E. Main St. 0 Comment
  CLARK-A1528-5700  Boerhavia coccinea John C. Roos 1945-5-15 3858 Riverside Eagle Mountains Comment
  UCR58877  Boerhavia coulteri J. M. Stewart 1989-10-16 610 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  SEINET4691938  Boerhavia wrightii Duncan S. Bell, Aaron Sedgwick 2012-1 4209 A Riverside Colorado Desert; western Colorado Desert region: The Mecca Hills; along what was left of Box Canyon Road After having been buried by a flash flood from a large summer ftorm approx 5 air miles northeast of the junction of box Canyon rRoad and the Coachella Canal of approximatly 1.25 air miles southwest of Shavers well 240 Comment
  UCR89551  Bothriochloa barbinodis A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15871 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  SACT000426  Bouteloua aristidoides Marcus Jones 1929-9-16 Riverside Comment
  UCSB28161  Bouteloua aristidoides Blakely, E. 1961-9-12 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  RSA0027477  Bouteloua aristidoides var. aristidoides Deidre Conocchioli, April Garbat 2013-9-5 39 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  POM161550  Bouteloua barbata Ralph Hoffmann 1929-9-11 s.n. Riverside Thomas Valley, San Jacinto Mountains. Comment
  RSA0099442  Bouteloua barbata Duncan S. Bell, Evan Meyer 2014-10-29 7696 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  UCR20928  Bowlesia incana M. Wilson 1980-5-30 053080- 5 Riverside San Timeteo Canyon, [Beaumont Badlands] 1.6 mi. north of Locust on Redlands Blvd. Comment
  UCR260893  Bowlesia incana A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41528 Riverside Woodcrest area of Riverside, wet canyon 0.25 km ENE of Evening Star Rd., 0.25 km north of Ridge Canyon Dr., above Woodcrest Dam 372 Comment
  HSC87004  Boykinia rotundifolia F. C. Vasek 1987-7-14 8707141 Riverside Vista Grande Road (3508) 1 mile E of Banning-Idyllwild Road (SH234) 1524 Comment
  RSA0086494  Boykinia rotundifolia Mitch Provance, Justin E. Smith 2015-7-22 715 -02 Riverside San Jacinto Mountains: Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243. 1601 Comment
  JEPS42503  Brandegea bigelovii W. L. Jepson 1927-4-12 11671 Riverside Mecca Hills Painted Canyon (Painted Canyon); , Painted Canyon 76 Comment
  JEPS42526  Brandegea bigelovii P. A. Munz, R. D. Harwood 1920-4-2 3564 Riverside between Blythe Junction and Blythe ((Blythe Jct = Rice)) Comment
  RSA305948  Brandegea bigelovii Fay A. MacFadden 1940-3-17 15295 Riverside Rd from Twentynine Palms to Indio, about half way, San Bernardino Mts. Comment
  RSA394246  Brandegea bigelovii Anstruther Davidson 1903-5-3 s.n. Riverside Martinez Canyon mouth. Comment
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Jul 1 2016
  SBBG7425  Brandegea bigelovii H. and M. Dearing 1949-4-6 6740 Riverside Box Cyn Comment
  UCR104965  Brandegea bigelovii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2730 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR213273  Brandegea bigelovii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37435 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
  UCR172276  Brassica nigra John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Benton Road 409 Comment
  UCR5972  Brassica rapa Steve Stadler 1966-3-10 31066- 23 Riverside Peninsular Range, Corona Area. Located 1 mi east of Corona along old Temescal Road 1/4 mi north of Rimpau Ave. Corner of Old Temescal Rd. and Rimpau is 1/2 mi west of the John Manuill Fiberglass Plant. 213 Comment
  CAS-BOT-BC36848  Brassica tournefortii Winfield 1975-4-27 2373 Riverside Snow Creek Road. 3 miles from Highway 111. Comment
  UCR113208  Brassica tournefortii A. C. Sanders 1998-2-19 21653 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  UCR215448  Brickellia arguta var. arguta Tasha La Doux, Jim Andre 2008-9-16 334 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  LA203095  Brickellia californica W. E. Pequegnat; 1939-4-8 sn Riverside Santa Ana Mountains Comment
  POM10238  Brickellia californica F. M. Reed 1903-10-24 94 Riverside Cold water canyon [Santa Ana Mts., near Temescal Valley] Comment
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Apr 7 2011
  RSA575884  Brickellia californica Steve Boyd 1981-2-9 s.n. Riverside Gavilan Hills region, southern end of Steele Valley, S of extensive groves and communications site at W base of Steele Peak 610 Comment
  UC86103  Brickellia californica J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC100609  Brickellia oblongifolia var. linifolia H. M. Hall 1901-5-1 1888 Riverside San Jacinto Mountains, Easetern base, along the borders of the Colorado Desert 1219 Comment
  UCR218078  Brodiaea filifolia Steve Boyd 2010-6-9 12289 Riverside Santa Ana Mountains, San Mateo Canyon, along trail from Tenaja Falls trailhead south towards Fisherman's Camp, upstream from first crossing of creek 378 Comment
  SD226182  Brodiaea santarosae Tom Chester, Wayne Armstrong, Kay Madore 2006-6-15 925 Riverside Santa Rosa Plateau Ecological Reserve: Waterline Road, 0.4 km east-southeast of the northernmost high point of the Mesa de Burro 563 Comment
  RSA179502  Bromus arenarius E. W. Lathrop 1960-6-6 4816 Riverside 14 miles W. of Murrieta. Comment
  UCD57694  Bromus arizonicus John Thomas Howell 1956-3-20 31119 Riverside Riverside. 8th street. Comment
  POM266275  Bromus berteroanus J. C. Roos 1942-5-2 1120 Riverside Colorado Desert. Comment
  UC1563599  Bromus carinatus var. carinatus A. C. Sanders 1989-4-30 9068 Riverside Riverside, at 422 Campus View Drive, (in rigth-of-way behind house) Riverside; , Campus View Drive Comment
  POM259162  Bromus ciliatus var. ciliatus P. A. Munz 1938-8-14 15356 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA772334  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4513 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR202008  Bromus diandrus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA526503  Bromus grandis Steve Boyd, Timothy S. Ross 1990-5-11 4698 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR213304  Bromus hordeaceus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37698 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR233071  Bromus rubens Edith B. Allen 2012-1-28 112- 01 Riverside Riverside, western foot of the Box Springs Mtns. on east edge of town, Islander Park, north of the east end of Big Springs Rd. 353 Comment
  SEINET6196154 Image available Bromus tectorum Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-4-12 4429 Riverside San Bernardino Mountains region,Transverse Ranges: Whitewater Canyon, Along Whitewater River Drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  UCR137501  Bromus tectorum D. L. Banks, V. W. Steinmann 1997-3-13 1489 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
  UCR243571  Bromus tectorum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21107 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  NY664651  Bromus tectorum var. nudus F. M. Reed 1920-7-14 4443 Riverside Strawberry Valley, San Jacinto Mts. 1554.5 Comment
  JOTR31863  Caesalpinia virgata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2119 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA28064  Caesalpinia virgata I. L. Wiggins 1941-3-27 9690 Riverside 8.2 miles west of Shaver's summit. Comment
  SEINET12804035  Caesalpinia virgata Chris Dietrich, M. Merello & H. Schmidt 1994-1 25 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road. BLM land. Desert Access Guide Map #17. 358 Comment
  UC15305  Caesalpinia virgata S. B. Parish Apr 4 1896-Apr 13 1896 4114 Riverside Palm Springs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt., Palm Springs (Agua Caliente) 152 Comment
  UC864226  Caesalpinia virgata Lewis S. Rose 1938-12-24 38340 Riverside 10 mi. n. Indio (Los Angeles Aquaduct Rd.) 121 Comment
  CAS-BOT-BC438489  Calandrinia ciliata Steve Boyd 1986-4-2 1607 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. 640 Comment
  RSA522704  Calandrinia ciliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3891 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR43790  Callitriche heterophylla subsp. bolanderi R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60638 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  CAS-BOT-BC85772  Calocedrus decurrens Carl Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  CSUSB393  Calochortus albus Bill Marks 1971-5-16 Riverside Santa Ana Mountains Found in Santa Ana Mountains, Rancho California area near De Luz. Growing on the roadside. Comment
  RSA162810  Calochortus albus J. D. Olmsted 1959-4-30 500 Riverside Beacon Pines Ranch; 9 miles SW of Corona, Santa Ana River Drainage Area. 808 Comment
  RSA262119  Calochortus albus E. W. Lathrop 1973-5-28 7501 Riverside Main Divide Truck Trail beween El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA68361  Calochortus concolor Verne Grant, Alva Grant 1951-7-19 16089 Riverside Idyllwild road, ca. 1 mile above Highway 74. 1220 Comment
  CAS-BOT-BC488541  Calochortus concolor R. S. Woglum 1941-6-13 3072 Riverside Pines to Palms Road, Santa Rosa Mountains Comment
  CAS-BOT-BC483418  Calochortus invenustus H. M. Hall 1901-6-1 2297 Riverside In the vicinity of Strawberry Valley, San Jacinto Mountains 1828 Comment
  RSA641090  Calochortus palmeri var. munzii Orlando Mistretta, Mark Elvin 1995-6-19 1775 Riverside Highway 74. 1418 Comment
  RSA641301  Calochortus palmeri var. munzii Orlando Mistretta, Mark Elvin 1995-6-19 1779 Riverside San Jacinto Mountains: Highway 74. 1264 Comment
  UCR16061  Calochortus plummerae Loretta Bates 1978-6-10 s.n. Riverside San Bernardino Mtns, Cherry Valley exit off Hwy I-10 Comment
  UCR240269  Calochortus plummerae Theresa Johnson 2010-6-16 s.n. Riverside San Jacinto Mtns. Foothills, Potrero Canyon 701 Comment
  UCR101433  Calochortus splendens A. C. Sanders 1997-4-10 20319 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR281798  Calochortus weedii var. weedii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-25 517- 129 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  UCR63511  Calochortus weedii var. weedii Scott D. White 1990-6-14 s.n. Riverside Peninsular Range, Rainbow area: c. 1 mi (airline) SE of Temecula Canyon and 1 mi (airline) NW of Rainbow Valley. S boundary of property on the San Diego County line 427 Comment
  JEPS29288  Calycoseris parryi Rimo Bacigalupi, L. Heckard, and P. Hutchinson 1962-3-23 8360 Riverside 1.9 mi sw of San Bernardino County line (lower end of Morongo Wash); Morongo Wash 609 Comment
  UC135211  Calycoseris parryi S. B. and W. F. Parish Apr 1882 1214 Riverside Morongo Comment
  SEINET7379703 Image available Calycoseris parryi H. K. Sharsmith 1952-4-10 4060 Riverside Mojave Desert, Smoke Tree Wash, about 5 miles northeast of Cottonwood Springs, Joshua National Monument 853 Comment
  RSA776960  Calycoseris wrightii Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 910 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR279416  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-25 42996 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
  UCR1645  Calystegia macrostegia subsp. longiloba William G. Truesdell 1962-4-20 42062 5 Riverside 10 mi south of Hemet on Hwy 79 610 Comment
  RSA394932  Calystegia macrostegia subsp. tenuifolia M. M. Thompson 1947-6-9 C- 2083 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UC1123622  Calystegia macrostegia subsp. tenuifolia R. St. John 1931-1-29 179 Riverside Elsinore , Plot 52 (Plot 52) Comment
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Nov 25 2010
  POM281152  Camissonia bistorta Ethel Rush 1951-4-12 174 Riverside Roadside 5 miles south of Temecula. Hyway 79. 457 Comment
  RSA516878  Camissonia bistorta Steve Boyd 1986-3-1 1360 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  UCR174163  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32640 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR49260  Camissonia bistorta Steve Boyd 1986-4-2 1629 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR49753  Camissonia bistorta D. C. Hawks, Guy Bruyea 1987-4-3 s.n. Riverside Peninsular Range, Gaylord property, NW of Aguanga 550 Comment
  UCR85165  Camissonia boothii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16084 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA799380  Camissonia boothii subsp. condensata Duncan S. Bell 2013-4-7 4756 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  RSA776286  Camissonia brevipes Duncan S. Bell 2010-3-20 628 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SEINET3093066 Image available Camissonia brevipes P. Leary 1975-3-13 980 Riverside Joshua Tree National Monument: Pinto Wash southwest of Pinto Mountains 549 Comment
  RSA200915  Camissonia californica Carl B. Wolf 1932-5-25 3670 Riverside San Jacinto Mountains, 0.5 miles below the Fish Hatchery, Snow Creek, North base of mountains 549 Comment
  RSA339645  Camissonia californica Robert F. Thorne, C. W. Tilforth 1980-5-28 54238 Riverside San Bernardino Mountains: rocky and sandy wash along Whitewater River, ca. 3.2 miles N of Whitewater PO and Highway 10. Comment
  RSA466163  Camissonia californica Jean Carnine 1932-2-28 s.n. Riverside Santa Ana River. Comment
  RSA770706  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4811 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA772126  Camissonia californica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4831 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  UCR112554  Camissonia californica A. C. Sanders 1998-3-17 21740 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UCR208011  Camissonia californica E. W. Lathrop 1975-8-15 7468 Riverside Peninsular Ranges: Santa Ana Mts. region, 5 miles W of Murrieta, Los Gatos Road, on south slope of Mesa de Colorado. Comment
  UCR21992  Camissonia californica Steve Boyd 1980-7-12 328 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  POM255920  Camissonia cardiophylla C. L. Hitchcock 1940-4-1 5899 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA176311  Camissonia cardiophylla Robert F. Thorne, Robert Rutherford 1964-4-10 33551 a Riverside Palm Springs. 305 Comment
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Apr 25 2011
  UCR16384  Camissonia cardiophylla Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon about 8 miles east of Mecca 274 Comment
  POM14292  Camissonia chamaenerioides P. A. Munz, D. Keck 1922-4-9 4853 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA449954  Camissonia chamaenerioides J. C. Roos 1966-3-26 s.n. Riverside Rocky canyon 2 1/2 miles S.E. of Desert Center, Chuckwalla Mtns. Comment
  UCR19028  Camissonia claviformis John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  RSA341998  Camissonia claviformis subsp. aurantiaca Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge. 1980-4-16 54118 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA449183  Camissonia claviformis subsp. aurantiaca Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA703370  Camissonia claviformis subsp. aurantiaca LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1441 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SEINET12193360  Camissonia claviformis subsp. aurantiaca W. L. Wagner, Mill, S. W. 1982-1 4559 Riverside 8.2 milesNW of I-10 Desert Center along Hwy 177 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
  RSA192048  Camissonia hirtella E. W. Lathrop 1959-5-29 4584 Riverside 14 mi. W. of Murrieta. Comment
  RSA523475  Camissonia hirtella Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4037 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SEINET10805068  Camissonia hirtella Andrew C. Sanders 2006-5-19 Sanders 32423 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Road and north of Clinton Keith Road (Murrieta 7.5'Q). Rocky slopes of granite and gabbro, loam and clay soil; coastal sage scrub/chaparral with Eriogonum fasc. fol., Salvia mellif., Adenostoma and groves of Quercus agrifolia. [T6S R3W S27, NE/4 & E/2 of NW/4] 518 Comment
  RSA525452  Camissonia ignota Steve Boyd, Dave Bramlet 1990-4-29 4497 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA771702  Camissonia pallida subsp. hallii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4699 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 W116.65130 604 Comment
  JOTR30240  Camissonia pallida subsp. pallida Leary, C. and Leary, Pat 1979-5-5 2999 Riverside Joshua Tree National Park. Near the end of the road in Lower Covington Flat, Joshua Tree National Monument Comment
  UCR133912  Camissonia refracta June Latting 1978-4-30 s.n. Riverside Sonoran (Colorado) Desert, Chiriaco Summit 518 Comment
  SEINET238561  Camissonia strigulosa George K. Helmkamp 1998-6-27 4103 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unamed spring. 1585 Comment
  UCR137482  Camissonia strigulosa D. L. Banks 1997-3-16 1542 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UCSB4434  Camissonia strigulosa Ralph, F. 1959-5-17 Riverside Hwy 74, about 17.2 miles north of Pinon Flats Campground, San Jacinto Mtns. 1371 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
  CLARK-A1528-2300  Capsella bursa-pastoris John C. Roos 1966-3-24 Riverside Hemet Comment
  RSA728659  Cardionema ramosissimum R. E. Riefner 2006-5-30 06 -216 Riverside Temecula Valley, Rainbow Canyon Rd. ca. 0.7 mi. N of Pechanga Pkwy., near SW corner of the Temecula Creek Golf Course. 340 Comment
  RSA0105835  Carduus pycnocephalus Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR201506  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  SEINET3101946  Carex multicaulis Marc A. Baker, Michelle Cloud-Hughes 2011-6-13 17380 Riverside San Jacinto Mountains, 1km north of Idyllwild, 2km WSW of Suicide Peak. 1925 Comment
  UCR128299  Carex multicaulis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8653 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
  SD73491  Carex praegracilis E. W. Lathrop 1959-5-17 4571 Riverside 10 miles west of Murrieta; open grasslands; open woods on slopes and valleys; dense grassy stream bank in shallow oak woodland valley. Comment
  CAS-BOT-BC117450  Carex senta D. E. Breedlove 1961-7-29 873 Riverside Fuller Mill Creek where it crosses Riverside Hwy #1. San Jacinto Mountains. 1645 Comment
  RSA0011149  Carya illinoinensis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37151 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  RSA496569  Castilleja affinis Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  LA35281  Castilleja affinis subsp. affinis Mary V. Hood; 1945-3-28 Riverside near Sage, Highway 83 761 Comment
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Mar 1 2014
  SD134198  Castilleja affinis subsp. affinis R. Mitchel Beauchamp 1972-4-16 3299 Riverside Pauba Valley, N of Highway 71-79 430 Comment
  RSA104099  Castilleja angustifolia A. M. Alexander, Louise Kellogg 1941-5-7 2131 Riverside 12 miles southwest of 29 Palms 1311 Comment
  SEINET7073343  Castilleja densiflora A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR100966  Castilleja densiflora G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  HSC20889  Castilleja exserta subsp. exserta R. A. Eagle 1964-3-28 Riverside 5 mi. out of Riverside on the Van Buren St. Comment
  UC495197  Castilleja exserta subsp. exserta Philip A. Munz 1932-3-24 12016 Riverside Corona 365 Comment
  RSA801813  Castilleja foliolosa LeRoy Gross, Evan Meyer 2013-5-21 6107 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  POM99007  Caulanthus cooperi E. C. Jaeger 1926-4-24 s.n. Riverside White Tanks, Pinto Mts. 1128 Comment
  UCD114540  Caulanthus heterophyllus D. E. Bramlet 1991-5-14 2150 Riverside Perris-Aquanga basin region: North Domenigoni Hills, ca. 0.5 miles SE of end of Warren Road, on large, prominent peak adjacent to old quarry, E of access road. 655 Comment
  RSA0054958  Ceanothus Keith E. Hoffmaster 1932-1 502 Riverside Santa Ana Mts. [Orange or Riverside]. Comment
  UC489223  Ceanothus cordulatus C. V. Meyer 1928-7-31 615 Riverside 7500 ft Tahquitz Peak; San Jacinto Mts. Comment
  POM305340  Ceanothus crassifolius Henry J. Ramsey, Henry J. Ramsey 1938-2-25 678 Riverside Temecula Comment
  RSA606733  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27420 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA680633  Ceanothus crassifolius Scott D. White 2001-3-27 8176 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
  SEINET3076042 Image available Ceanothus cuneatus A. C. Sanders, S. Hawkins 1996-4-24 18075 Riverside San Berdardino Mountains; Morongo Indian Reservation, along dirt road in Hathaway Canyon near Burro Flats. At the head of Hathaway Canyon, edge of Burro Flat. 1158 Comment
  RSA0019578  Ceanothus cuneatus var. cuneatus Bill Wagner 1989-3-31 s.n. Riverside Approx. 9 mi SW of Anza, on the W side of Hwy 371. 976 Comment
  RSA757806  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2008-4-27 DOB 982 c Riverside Tucalota Creek watershed, roadside on Sage Road (County Road R3), 0.6 road miles south of intersection with East Benton Road, near intersection ith Debby Lane, 15.8 km 338 degrees true north-northwest of Aguanga. 730 Comment
  UC520086  Ceanothus cuneatus var. cuneatus C. Epling 1932-6-24 Riverside near Idyllwild Comment
  SD229243  Ceanothus greggii var. perplexans Dick Schwenkmeyer 2012-8-6 767 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  CAS-BOT-BC51281  Ceanothus leucodermis C. F. B. 1903-4-4 4144 Riverside Elsinore Comment
  RSA34562  Ceanothus leucodermis N. Cooper 1944-6-17 1380 Riverside Above Banning. 1372 Comment
  UCR5995  Ceanothus leucodermis David M. Peterson 1966-3-9 660309- 13 Riverside Santa Ana Mtns., 15-16 miles east of San Juan Capistrano on the road to Elsinore '2000 ft. 366 Comment
  UC718386  Ceanothus oliganthus var. oliganthus P. C. Everett 1935-6-18 7209 Riverside ca 1.5 mi n Main Divide Motorway (Coldwater Canyon trail.); Santa Ana Mts. Comment
  POM312128  Ceanothus palmeri N. C. Cooper 1944-6-17 1416 Riverside Above Banning. Roadside. 976 Comment
  RSA0022327  Ceanothus perplexans Justin M. Wood 2009-3-10 347 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  SEINET10778077  Ceanothus perplexans Dylan O. Burge 2007-3-21 Burge DOB 802 d Riverside San Jacinto Mountains, along Hwy 243, 16.1 road miles (25.8 km) north of Idyllwild, near the turn-off for Poppet Flat Road, 17.2 km 319 deg. (True) NNW of Idyllwild. 1280 Comment
  SD152767  Ceanothus tomentosus Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6765 Riverside Santa Ana Mountains, San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgen Tr. S to Pigeon Spring area 671 Comment
  SEINET13946104 Image available Ceanothus tomentosus Lewis S. Rose 1949-1 49073 Riverside 2 mi. south of Temecula 366 Comment
  SBBG4566  Ceanothus tomentosus var. olivaceus H. and M. Dearing 1939-4-5 3089 Riverside 5 mi N of Beaumont Comment
  RSA74576  Centaurea repens J. C. Roos 1947-7-5 2908 Riverside Junction of San Timoteo and Live Oak Creeks. 457 Comment
  SD136925  Centaurea solstitialis Steve Boyd, Tim Ross 1994-9-14 8339 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area near junction of the Lucas Cyn and Verdugo trails 769 Comment
  RSA25594  Centaurium venustum Carl B. Wolf 1941-6-27 10897 Riverside Santa Ana Mts. Ortega Hwy, 3.3 miles E of Orange County line. 579 Comment
  RSA487201  Centaurium venustum James L. Reveal 1988-5-22 6861 Riverside Rainbow canyon 13 iles south of Pala Road in Wolf Valley, aout 25 miles north of rainbow along US Hwy 395. 518 Comment
  SD204959  Centranthus ruber R. F. Thorne, W. Wisura dn Dave Michener 1982-5-24 55194 Riverside Peninsular Ranges; Santa Ana Mountains region, along Ortega Highway. 732 Comment
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Oct 27 2011
  RSA689429  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -247 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  SD135128  Centromadia pungens subsp. laevis Craig Reiser 1993-6-14 Riverside Near Winchester N of Patton road and several hundred yards N of the San Diego aquaduct (see map) Comment
  UC1584124  Centromadia pungens subsp. laevis D. Bramlet 1990-7-26 2062 Riverside just e Diaz Rd. (and within the Murrietta Creek Channel, at the Rancho California St. bridge in Temecula); Murietta Creek 330 Comment
  UCR217501  Centromadia pungens subsp. laevis Ana Hernandez, Kim Sparks 2009-6-23 011 Riverside Perris basin, Sycamore Canyon, I km north of Alessandro Blvd., along trail next to river. 446 Comment
  RSA673547  Cerastium glomeratum Scott D. White, Tasha La Doux 2000-4-20 7705 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  CSUSB1617  Cercidium floridum Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  RSA727395  Chaenactis carphoclinia Naomi Fraga, Lisa Rojas 2005-2-10 1384 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  JEPS20786  Chaenactis carphoclinia var. carphoclinia Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13256 Riverside 2.3 mi above Midland P.O.; Little Maria Mts. Comment
  POM15070  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-4-13 1756 Riverside Chino canyon, Colorado Desert. 183 Comment
  UC194845  Chaenactis carphoclinia var. carphoclinia S. B. Parish 1916-5-13 10838 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
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Oct 9 2010
  JEPS5008  Chaenactis fremontii Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4072 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  RSA783830  Chaenactis fremontii J. D. Olmsted 1958-3-29 75 Riverside Joshua Tree National Monument. Transition zone with interior drainage to Pinto Basin 5 mi north of junction between Cottonwood Pass and Cottonwood Springs Roads on the former, which becomes Pinto Basin Road. 732 Comment
  SEINET2030149 Image available Chaenactis glabriuscula Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mountains, San Juan Canyon, highway 74 610 Comment
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Nov 8 2015
  UCR262227  Chaenactis glabriuscula T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3706 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
  POM11996  Chaenactis glabriuscula var. glabriuscula Mary F. Spencer 1921-6-16 343 Riverside Wayside in Banning 701 Comment
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Mar 13 2011
  RSA528099  Chaenactis glabriuscula var. glabriuscula Steve Myers 1991-4-1 91 -27 Riverside City of Banning, W of Fields Road, N of Interstate 10 & S of the Morongo Indin Reservation 671 Comment
  RSA586326  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-5-3 0191 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC1537042  Chaenactis glabriuscula var. glabriuscula Gordon H. True Jr. 1935-5-15 112 Riverside Box Springs 34 Comment
  UC63011  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-6-1 2036 Riverside s side of San Jacinto Mts. 1341 Comment
  UC63012  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3851 Riverside vicinity of Riverside 457 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
  UCD130392  Chaenactis stevioides G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2722 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Checkwalla Rd. on Graham Pass Rd. Comment
  POM351833  Chaenactis stevioides var. stevioides Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  JOTR16668  Chamaesyce albomarginata Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  RSA593379  Chamaesyce albomarginata Scott D. White 1996-7-23 4358 -B Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  RSA619314  Chamaesyce albomarginata A. C. Sanders, K. C. Rose 1998-9-29 22239 Riverside West edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. Comment
  CDA4811  Chamaesyce maculata R. D. Goeden, D. W. Ricker 1965-6-18 s.n. Riverside North side of Blaine Street just west of Gage Canal, Riverside. Comment
  JOTR29454  Chamaesyce polycarpa La Doux, Tasha 2006-1-23 1352 Riverside Joshua Tree National Park. Pinto Basin; northwest of Eagle Mountains; south of Black Eagle Mine Rd. Comment
  SJSU4459  Chamaesyce polycarpa G. B. Youngberg 1956-3-27 179 Riverside hills near La Sierra College, Arlington 300 Comment
  RSA432479B  Chamaesyce polycarpa var. hirtella M. B. Dunkle 1932-3-25 2901 Riverside Near Cathedrial Canyon. 152 Comment
  JEPS26604  Chamaesyce serpillifolia subsp. hirtula Peter Kamb 1948-7-4 1168 Riverside San Jacinto Mtns, Hall Canyon 1645 Comment
  UC64182  Chamaesyce serpillifolia subsp. hirtula H. M. Hall 1898-6-30 966 Riverside Strawberry Valley San Jacinto Mtns 1615 Comment
  UC2026401  Chamaesyce setiloba Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10052 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  RSA667021  Cheilanthes newberryi Scott D. White, Dave Bramlet 1999-4-22 7235 Riverside Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 549 Comment
  POM9290  Cheilanthes newberryi P. A. Munz, Harwood 1920-3-20 3375 Riverside 5 miles S of Corona 305 Comment
  CAS-BOT-BC70337  Cheilanthes parryi Marcus E. Jones 1930-3-15 26517 Riverside Eagle mountains Comment
  UCSB30932  Cheilanthes parryi Parker, V. 1974-4-5 Riverside In Maize Rock Park, Hemet 365 Comment
  POM12527  Cheilanthes viscida Philip A. Munz 1922-3-12 4706 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  UC56772  Chenopodium album H. M. Hall 1902-8-6 2652 Riverside Vicinity of Riverside 457 Comment
  RSA750735  Chenopodium californicum Scott D. White, Justin M. Wood 2009-5-22 12900 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  RSA0110603  Chenopodium missouriense Mitch Provance 2012-9-11 17623 Riverside Badlands of Western Riverside County: Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft, along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  UCR274001  Chenopodium missouriense Mitch Provance 2012-9-11 17623 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  CLARK-A1528-5007  Chenopodium murale John C. Roos 1937-8-17 2408 Riverside San Jacinto Comment
  RSA629022  Chenopodium murale Scott D. White 1998-6-28 6799 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  UCR113772  Chenopodium murale Mitch Provance 2000-7-30 2174 A Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR116602  Chenopodium murale A. C. Sanders 2001-4-8 23984 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
  UCR118424  Chenopodium murale Mitch Provance 2000-1-8 1802 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 305 Comment
  SD146305  Chenopodium pratericola A. C. Sanders, Mitch Provance and T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley; along Dillon Road at junction with Tyler, north of I-10, east of Indio and north of Coachella. 4 Comment
  SEINET10784095  Chilopsis J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12849 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  CAS-BOT-BC231768  Chilopsis linearis Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  LA204145  Chilopsis linearis subsp. arcuata Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  POM122462  Chilopsis linearis subsp. arcuata Marcus E. Jones 1926-6-8 S.N. Riverside Whitewater. Colorado Desert. Comment
  POM3997  Chilopsis linearis subsp. arcuata M. Shaw 1917-4-4 s.n. Riverside Palm Canyon Comment
  RSA247963  Chilopsis linearis subsp. arcuata R. F. Thorne, S. T. Blake 1965-6-1 34714 Riverside Morongo Valley pass 488 Comment
  RSA82479  Chilopsis linearis subsp. arcuata F. W. Peirson 1921-4-13 1173 Riverside Deep Canyon; north base of Santa Rosa Mountains, Riverside. 335 Comment
  POM48038  Chimaphila menziesii P. A. Munz, I. M. Johnston 1924-7-27 8753 Riverside Dark Canyon. 1890 Comment
  RSA0020375  Chloracantha spinosa Duncan S. Bell 2013-10-29 6089 Riverside Hayfields Dry Lake; north of Interstate 10, about a mile southwest of the pumping station. 403 Comment
  RSA0012171  Chloris truncata A. C. Sanders, T. B. Salvato 2011-3-28 38816 Riverside Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  CLARK-A1045-297  Chorizanthe brevicornu George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  CAS-BOT-BC191709  Chorizanthe brevicornu var. brevicornu L. R. Abrams 1926-3-26 11060 Riverside Palm Springs. The Palm Canyon Comment
  UCSB1332  Chorizanthe brevicornu var. brevicornu Kamb, Peter 1948-4-11 Riverside Aqueduct Road 5 mi east of Carnet, Coachella Valley 304 Comment
  RSA656553  Chorizanthe coriacea A. C. Sanders 2000-5-25 23406 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UC1287109  Chorizanthe corrugata C. L. Hitchcock 1966-3-20 24304 Riverside along road to Blythe 20 mi n Ogilby; n of Ogilby Comment
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Mar 2 2013
  UC70080  Chorizanthe corrugata E. E. Schellenger Apr. 1905 Riverside Santa Maria Mountains Colorado Desert, Santa Maria Mountains Comment
  UCR97696  Chorizanthe fimbriata A. C. Sanders, G. Helmkamp 1997-3-15 19929 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 537 Comment
  RSA68300  Chorizanthe fimbriata var. fimbriata Verne Grant, Alva Grant 1951-6-4 16014 Riverside Small canyon 2 mi. s. of Temecula on Hwy 395. 335 Comment
  UCR48366  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1817 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  RSA739344  Chorizanthe leptoceras Keith E. Hoffmaster 1937-6-6 759 Riverside Near Valle Vista, Hemet Valley. Comment
  CAS-BOT-BC191347  Chorizanthe leptotheca Steve Boyd 1986-4-22 1758 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just S of Interstate 15 Comment
  CAS-BOT-BC191354  Chorizanthe leptotheca Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  RSA735986  Chorizanthe parryi var. parryi Scott D. White, Justin M. Wood 2008-5-29 12040 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  SBBG122006  Chorizanthe parryi var. parryi A. Parikh, N. Gale 2004-6-7 763 Riverside W side of Smith Crk, 2.3 km NE of Highland Springs, 1.3 km W of Banning Bench/Bluff Street 1084 Comment
  SEINET3132306  Chorizanthe parryi var. parryi K. Brandegee 1905-5-12 sn Riverside Riverside Comment
  UCR189793  Chorizanthe parryi var. parryi Andrea Salzman 2006-5-30 136 a Riverside Peninsular Range; Perris Aguanga Basin, Lake Skinner, north of stage road 490 Comment
  UCR266287  Chorizanthe parryi var. parryi D. E. Bramlet, Ileene Anderson 2005-4-18 3807 Riverside Hills west of Hemet-Ryan Airport, 650 m west of California Ave., 1300 m south of Hwy 74, 1100 m north of Stowe Rd. 539 Comment
  UCR139185  Chorizanthe polygonoides subsp. longispina Virginia Moran 2003-5-23 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 2' in area of transects established by CNLM 425 Comment
  RSA585738  Chorizanthe polygonoides var. longispina D. L. Banks, S. D. Boyd 1995-5-9 401 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UCR132343  Chorizanthe polygonoides var. longispina John F. Green, S. J. Myers 2003-6-25 s.n. Riverside Small hill just west of Leon Road, c. 0.25 mi. south of Borel Road, above Tucalota Creek 427 Comment
  UCR260519  Chorizanthe polygonoides var. longispina T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7991 Riverside Perris-Aguanga Basin, Menifee, south side of Bundy Canyon Road between Sunset Ave and Lynx Rd. 0.9 mi west of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.2 mi southeast of Canyon Lake 543 Comment
  SD138828  Chorizanthe polygonoides var. polygonoides Craig Reiser 1996-3-23 Riverside Murrieta; near creek; northeast of Baxter; east of Meadowlark Lane (mak 8/07) Comment
  CAS-BOT-BC246238  Chorizanthe rigida S. B. Parish 1912-7-3 8061 Riverside Dermid [?], Salton Sea Comment
  SD27986  Chorizanthe rigida Carl B. Wolf 1932-4-29 3094 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  JOTR16577  Chrysothamnus nauseosus subsp. mohavensis Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROADSIDE TO STUBBE SPRING 1341 Comment
  UCR279347  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-23 42936 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  SEINET13009282  Chylismia brevipes subsp. brevipes J. S. Horton 1973-3-19 698 Riverside 5 miles west of Desert Center. 366 Comment
  UC1334735  Chylismia cardiophylla subsp. cardiophylla C. W. Tilforth 1967-2-12 110 Riverside side canyon off Painted Canyon (e of Mecca); Colorado Desert 0 Comment
  UC873926  Chylismia claviformis subsp. aurantiaca C. L. Hitchcock 1940-3-29 5865 Riverside ca 100 yd e Spring; Cottonwood Canyon Comment
  UCR276075  Cirsium occidentale T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3800 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCR193907  Cirsium occidentale var. californicum A. C. Sanders, Mitch Provance 2008-7-11 35775 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  CAS-BOT-BC438845  Cistanthe monandra L. A. Greata 1905-4-1 401 Riverside Coachella Comment
  CAS-BOT-BC438861  Cistanthe monandra Mrs. H. C. Cantelow 1935-3-20 697 Riverside Palm Springs Canyon Comment
  RSA0021296  Cistanthe monandra Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4660 A Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  RSA613328  Cistanthe monandra D. L. Banks 1997-3-6 1392 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  RSA5247  Cistanthe monosperma C. B. Wolf 1932-8-5 3983 -A Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  UCD104884  Clarkia purpurea A. C. Sanders; T. B. Salvato 2001-5-3 24088 Riverside Perris-Aguanga Basin region. Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  UCR172765  Clarkia purpurea Abby Sirulnik, Ian G. Gillespie 2000-5-14 51 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  RSA16355  Clarkia purpurea subsp. quadrivulnera Percy C. Everett 1935-6-18 7177 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  RSA559449  Clarkia purpurea subsp. quadrivulnera Steve Boyd, T. S. Ross 1992-5-5 7219 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UC20333  Clarkia purpurea subsp. quadrivulnera H. M. Hall June, 1901 Riverside s side Small Valley; San Jacinto Mountains 1310 Comment
  RSA759272  Claytonia parviflora Robt Allen, Lorrae 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
  POM307314  Claytonia parviflora subsp. parviflora Henry J. Ramsey, Henry J. Ramsey 1938-4-22 2225 Riverside Santa Rosa Mts. Comment
  RSA708074  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA650085  Claytonia perfoliata Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  UCR168685  Claytonia perfoliata T. B. Salvato, John F. Green 2004-5-27 585 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  POM293219  Cleome isomeris Lyman Benson 1945-3-29 11628 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  LA207901  Coleogyne ramosissima Roxana S. Ferris; Ruth P. Rossbach 1938-5-14 sn Riverside The Windmill on Old Woman Well, 79 Palms Road Comment
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Mar 2 2014
  SD102264  Collinsia concolor T. Reeves 1978-5-13 6899 Riverside San Jacinto Mts. Foothills SE of Banning, arroyo, Acess via Westward Ave. 671 Comment
  UC1595647  Collinsia concolor Steve Boyd, Orlando Mistretta 1991-5-22 6299 Riverside e Dorland Mtn (base of Agua Tibia Mtn, w of Kolb Crk); Vail Lake area, Agua Tibia Mtn 548 Comment
  UC124616  Collinsia parryi H. M. Hall 1897-4-17 460 Riverside Banning Comment
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Mar 13 2011
  HSC28498  Colubrina californica Richard Spjut 1973-4-10 3296 Riverside Colorado Desert, N face of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  UCR18910  Colubrina californica John C. Roos 1967-11-11 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mts.; canyon bottom 3 mi. SE of Desert Center Comment
  SBBG87474  Condalia globosa var. pubescens A. C. Sanders 1986-3-1 6042 Riverside Chuckwalla Bench, W side of Chuckwalla Mtns 9 mi S of Interstate 10 on the gasline rd, 2 mi airline S of the Model Mine 579 Comment
  SBBG71927  Condea emoryi R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn Comment
  UCR77715  Convolvulus simulans Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6126 Riverside Peninsular Range, Vail Lake area, summit of Oak Mtn, north of lake near Henderson benchmark 823 Comment
  SEINET4676266  Cordylanthus filifolius Steve Boyd, Tim Ross 1992-6-10 7644 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 (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. Southeast side of potrero.; 0 671 Comment
  RSA0084703  Cordylanthus nevinii Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1453 Riverside Northeast of South Ridge trailhead, east of Idyllwild. 2012 Comment
  SD225115  Cordylanthus nevinii Scott D. White 1996-8-16 4484 Riverside San Jacinto Mts.: Idyllwild area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1707 Comment
  POM48403  Cordylanthus rigidus subsp. setiger Philip A. Munz, I. M. Johnston 1924-7-28 8808 Riverside Pine Flats. 1738 Comment
  UCSC000860  Cordylanthus rigidus subsp. setiger E. P. Unangst 2006-9-9 s.n. Riverside Hall Canyon, San Jacinto Mts. Comment
  CAS-BOT-BC287880  Coreopsis californica Ira L. Wiggins 1941-3-27 9706 Riverside Slopes 4 miles N of Whitewater Comment
  UC62879  Coreopsis californica var. californica H. M. Hall 1902-4-18 2924 Riverside Foothills 762 Comment
  UC101086  Corethrogyne filaginifolia M. F. Gilman 34 Riverside Banning Comment
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Mar 13 2011
  UC1119251  Corethrogyne filaginifolia A. Lewis 1934-5-1 458 Riverside 1 mi w La Cienaga; Cleveland National Forest, Elsinore Quadrangle 822 Comment
  JOTR32315  Coryphantha alversonii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Pinto Basin road; Convergence of large sandy, open southeast flowing wash and Cottonwood Canyon; Small rocky ledges and outcrops bordering wash (Stop 1) Comment
  RSA583372  Cotula australis Steve Boyd, Darin L. Banks 1995-4-5 8426 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
  CHSC463  Crassula connata S. Westerberg 1938-4-1 Riverside Lake Elsinore. Comment
  UCR229492  Cressa truxillensis Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  JEPS13812  Crossosoma bigelovii Marjorie D. Clary 1932-1-22 657 Riverside sw Coral Reef (canyons at base of mts.); Santa Rosa Mountains, Coachella Valley Comment
  RSA2103  Crossosoma bigelovii C. B. Wolf 1929-3-3 1027 Riverside Millard Canyon, above Cabazon 183 Comment
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Mar 13 2011
  RSA772582  Crossosoma bigelovii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5049 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
  UC218066  Crossosoma bigelovii A. F. Gilman 1922-3-19 Riverside Andreas Canyon Palm Springs Comment
  UCR18941  Crotalaria retusa John C. Roos 1936-12-2 1534 Riverside edge of a grain field at the Citrus Experiment Sta. (now UCR) Comment
  JOTR29573  Croton californicus Andre, Jim 2006-4-26 6777 Riverside Joshua Tree National Park. ridgetop, w. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner of boundary of park 1324 Comment
  UCR136187  Croton californicus Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  POM255562  Croton californicus var. mohavensis I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 200 Comment
  RSA480703  Croton californicus var. mohavensis P. J. Remple 1942-3-3 s.n. Riverside Garnet Station. Comment
  RSA577341  Croton californicus var. mohavensis I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 200 Comment
  UCR178571  Croton californicus var. mohavensis R. G. Swinney 1967-2-4 0011 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 305 Comment
  IRVC28961  Cryptantha Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9026 Riverside Ca. 0.05 mi. S on Santa Rosa Mtn. Road from Hwy 74. Peninsular Ranges, Santa Rosa Mountains Comment
  CSUSB1176  Cryptantha angustifolia Grace Sprague 1968-4-29 S. N. Riverside Highway 111, 5 miles north of Palm Springs where San Jacinto Mountains near the road; on the sand dune of creosote bush scrub. Comment
  JOTR28788  Cryptantha angustifolia La Doux, Tasha 2005-3-30 1057 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA775441  Cryptantha angustifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4443 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 W116.64309 487 Comment
  UC1931686  Cryptantha angustifolia J. Wear, N. Moorhatch 1993-6-11 Riverside Mecca Hills 60 Comment
  UCR166012  Cryptantha angustifolia 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
  UCSB10424  Cryptantha angustifolia Beeks, Richard 1952-4-4 Riverside 4 miles north of Mecca, in Box Cyn Comment
  RSA784723  Cryptantha barbigera Duncan S. Bell 2012-3-18 3210 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SBBG6243  Cryptantha barbigera C. H. Muller 1952-4-6 9502 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  UC1329937  Cryptantha barbigera James E. Cole 1941-6-16 917 Riverside Live Oak Park Joshua Tree National Monument 1219 Comment
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Dec 6 2014
  UCR244473  Cryptantha circumscissa var. circumscissa Jim Andre 2012-4-16 20944 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
  POM12150  Cryptantha costata Mary F. Spencer 1920-3-16 1514 Riverside Mecca -60 Comment
  RSA3976  Cryptantha costata C. B. Wolf 1932-4-29 3114 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  UC2015582  Cryptantha costata A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16021 Riverside Coachella Valley: Indio, just SW of the Whitewater River Channel at Auto Center, Dr. (Highway 111). Comment
  RSA0079521  Cryptantha cycloptera Christopher Davidson 1979-4-4 7723 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  SBBG53391  Cryptantha cycloptera J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  JOTR34180  Cryptantha decipiens Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 141 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  OBI38928  Cryptantha dumetorum A. C. Sanders, B. Pitzer & D. Charlton, D. Charlton 1986-3-1 6010 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff rd from Hayfield rd to the dirt rd to the Colorado River Aqueduct (T5S, R13E, SW 1/4 sec 30) 427 Comment
  RSA710002  Cryptantha holoptera Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4593 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA776684  Cryptantha holoptera Duncan S. Bell, Amanda Turek 2010-4-10 799 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA741564  Cryptantha intermedia Scott D. White, Justin M. Wood 2008-6-16 12144 Riverside Meadow at Quinn Flat. 1378 Comment
  UC1287159  Cryptantha intermedia C. L. Hitchcock 1966-3-16 24193 Riverside about 5 mi ne Aguanga Comment
  UC64407  Cryptantha intermedia H. M. Hall 1899-5-1 1161 Riverside Van Deventer's San Jacinto Mountains 1371 Comment
  UC78535  Cryptantha intermedia J. C. Nevin Riverside San Jacinto Mts. Comment
  UCR174624  Cryptantha intermedia Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 340 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UCSB5583  Cryptantha intermedia Gunnerson, Robert; G., D. 1953-3-22 Riverside At Devil's Garden Comment
  RSA0075620  Cryptantha intermedia var. johnstonii Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UC24728  Cryptantha maritima W. G. Wright 1890-1 1760 Riverside Colorado Desert Comment
  POM73198  Cryptantha maritima var. pilosa Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA164774  Cryptantha micrantha var. lepida Wesley O. Griesel 1962-6-29 718 Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  RSA771752  Cryptantha micrantha var. micrantha Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4629 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA395364  Cryptantha microstachys Steve Boyd 1986-4-22 1731 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  SBBG101671  Cryptantha microstachys S. Boyd, O. Mistretta 1991-5-22 6282 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk 548 Comment
  JEPS67735  Cryptantha muricata W. L. Jepson 1928-4-19 12429 Riverside n of Elsinore 609 Comment
  POM368266  Cryptantha muricata Lester H. Cushman 1933-4-20 s.n. Riverside Corona 274 Comment
  UC1178518  Cryptantha muricata Peter Kamb 1948-7-4 1180 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR167792  Cryptantha muricata T. B. Salvato, Gregg Miller 2005-6-3 1382 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  UCR20918  Cryptantha muricata A. C. Sanders 1978-7-5 00205 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  UCR241240  Cryptantha muricata Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 504 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  SEINET3195133 Image available Cryptantha nevadensis var. nevadensis Andrew C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37461 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q.) 204 Comment
  UCR103304  Cryptantha pterocarya var. pterocarya George K. Helmkamp 1998-4-4 3149 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA80747  Cryptantha racemosa F. W. Peirson 1921-3-23 2377 Riverside Deep Canyon south of Coachella Valley 335 Comment
  JOTR16630  Cryptantha utahensis Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  JOTR33726  Cryptantha utahensis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2727 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  SBBG53357  Cryptantha utahensis J. Zabriskie 1975-3-26 Riverside Santa Rosa Mtns Comment
  UCR9570  Cryptantha utahensis Bonner Blong 1966-1 s.n. Riverside Santa Rosa Mtns, Carrizo Creek Comment
  UCR100369  Cucurbita palmata A. C. Sanders, T. Tennant 1997-11-14 21600 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  RSA409701  Cuscuta californica I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA789365  Cuscuta californica var. californica Aaron C. Sedgwick, David Fraker 2012-3-28 40 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  CAS-BOT-BC224607  Cuscuta californica var. papillosa Milo S. Baker 1928-4-3 2796 a Riverside Palm Canon [Canyon] Comment
  POM158459  Cuscuta californica var. papillosa P. A. Munz 1970-5-21 10870 Riverside 10 miles S.W. of Cochulla Comment
  RSA795921  Cuscuta denticulata Duncan S. Bell 2009-4-19 289 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCD84491  Cuscuta denticulata Chuck Hughes 2010-6-11 147 Riverside Abandoned Rice military airfield, about 0.4 mile south of Highway 62. 269 Comment
  SEINET238505  Cuscuta pentagona A. C. Sanders, Mihai Costea; D Bramlet T Salvato 1999-10-15 23171 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. SE of Jackr 433 Comment
  RSA735178  Cuscuta subinclusa Scott D. White, Justin M. Wood 2005-9-27 11232 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
  RSA709855  Cylindropuntia echinocarpa Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4634 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  JOTR32383  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 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
  UCR92187  Cynodon dactylon D. L. Banks, Steve Boyd 1995-5-3 279 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  CAS-BOT-BC114542  Cyperus eragrostis G. Helmkamp; E. A. Helmkamp 1998-8-17 4446 Riverside Santa Ana Mts: San Juan Cyn along the Ortega Hwy (CA-74) beside the Orange Co. line. 502 Comment
  CLARK-A1528-2  Cyperus eragrostis Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA0088440  Cyperus eragrostis Mitch Provance 2011-7-4 17182 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA522720  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3811 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA544304  Cyperus erythrorhizos Steve Boyd 1991-7-13 6409 Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  RSA92101  Cyperus laevigatus F. W. Peirson 1924-12-30 5405 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  CDA2606  Cyperus retrorsus S. Morgan 1994-9-13 Riverside On the UCR campus in the Botanic Garden, Riverside. 0 Comment
  UCR14391  Cyperus rotundus George K. Helmkamp 1974-7-14 s.n. Riverside Riverside, Massachusetts at Iowa Street Comment
  UCR42742  Dactylis glomerata B. G. Pitzer, Karen Kirtland 1986-5-20 225 Riverside Butterfield Stage Ranch development, in the hills on the north side of Pauba Valley in the Rancho California area, 1 mi south of Buck Mesa on the east side of Butterfield State Road 457 Comment
  GMDRC5832  Dalea mollis J. M. Andre 2013-3-27 24799 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  RSA0029323  Dalea mollis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4687 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA498344  Dalea mollis Robert L. Dressler 1949-3-19 386 Riverside Box Canyon, Orocopia Mts. Comment
  SBBG3313  Dalea mollis H. and M. Dearing 1936-12-25 794 Riverside ca. 10 mi S Indio Comment
  UC501576  Dalea mollis Frank W. Peirson 1932-3-22 9811 Riverside 20 mi. n. Blythe (on the Needles Rd.) Comment
  HSC87170  Dalea mollissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2167 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  SEINET3102116  Dalea mollissima Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17458 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  CAS-BOT-BC283038  Dasyochloa pulchella E. A. McGregor 1917-3-18 794 Riverside 5 mi. up Painted Canyon Comment
  POM13632  Dasyochloa pulchella E. C. Jaeger 1921-3-28 1042 Riverside Redrock Canyon, 15 miles east of Mecca Comment
  UCSB43913  Dasyochloa pulchella Oberholtzer, M. 1980-3-30 Riverside Willey's Well, 10.0 mi SE of Blythe, 0.25 mi N of parking lot on trail to geode diggings 76 Comment
  UCD107685  Datisca glomerata Charles B. Fiker 1946-6-17 3601 Riverside San Mateo Canyon, Fallbrook. Comment
  UCR199562  Datisca glomerata Scott D. White 2004-4-26 10268 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  CSUSB774  Datura meteloides Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  UCR22103  Datura wrightii Steve Boyd 1980-5-15 282 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  RSA487426  Daucus pusillus Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  UCR223967  Daucus pusillus A. C. Sanders 2011-3-23 38803 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  SD51775  Deinandra kelloggii Rimo Bacigalupi, G. T. Robbins 1954-5-16 4465 Riverside Along road from Valverde eastward to gLakeview, on western slope of the Bernasconi Hills. 424 Comment
  RSA0025297  Deinandra paniculata R. E. Riefner Jr. 2010-6-5 10 -50 Riverside City of Riverside, Sycamore Canyon Park, W ca. 0.5 mi from Cottonwood Ave. and Sycamore canyon Blvd. 135 Comment
  UCD131166  Deinandra paniculata A. C. Sanders; T. B. Salvato 2000-5-25 23423 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd., and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  SD138818  Delphinium parishii subsp. subglobosum Craig Reiser 1993-5-17 Riverside West of Santa Rosa Mountain, near head of Nance Canyon and Coyote Creek Comment
  UC534127  Delphinium parishii subsp. subglobosum S. B. and W. F. Parish April 1883 1222 Riverside Agua Caliente Comment
  RSA356748  Delphinium parryi Robert F. Thorne 1973-5-23 45514 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 610 Comment
  RSA701498  Delphinium parryi M. Wall 1993-5-19 72 Riverside Sage Rd, 4.6 mi S of Red Mtn Rd SE of Hemet. Associated plants include Adenotstoma fasciculatum, Eriogonum fasciculatum, Collinsia concolor, and exotic grasses. Comment
  UCR251940  Delphinium parryi Harun Bektas 2011-4-26 03 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  CAS-BOT-BC121425  Delphinium parryi subsp. parryi Ynez Whilton Winblad 1938-5-15 s.n. Riverside Lake Elsinore Comment
  CAS-BOT-BC116422  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-4-15 6862 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence 487 Comment
  CAS-BOT-BC158124  Dendromecon rigida Abby Sirulnik 2000-5-7 30 Riverside Peninsular Ranges; San Jacinto Mtns.: Along Mt. Edna Rd. off of CA Hwy 243, ca. 5 mi. N of Poppet Flats 1159 Comment
  CAS-BOT-BC198174  Deschampsia danthonioides John Thomas Howell 1930-5-10 4776 A Riverside Marsh Field Comment
  RSA544431  Deschampsia danthonioides Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6337 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  UCR24985  Deschampsia elongata A. C. Sanders 1980-8-23 1762 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  CAS-BOT-BC39733  Descurainia adenophora H. M. Hall 1901-6-1 2623 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley. 1828 Comment
  SBBG28426  Descurainia pinnata D. Myrick 1964-4-30 835 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert Comment
  UCR26575  Descurainia pinnata John C. Roos 1947-2-15 3259 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  UC494462  Descurainia pinnata subsp. glabra Philip A. Munz 1932-3-14 11989 Riverside Deep Canyon; Coachella Valley 91 Comment
  RSA0013031  Descurainia sophia LeRoy Gross, Caitlin Elam 2013-5-14 6050 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA771100  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4718 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  UCR41368  Dichelostemma capitatum subsp. pauciflorum N. M. Fellows 1985-3-3 83 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  RSA501071  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3189 Riverside Vail Lake area, head of Temecula Creek Cyn at the dam. 426 Comment
  JEPS41017  Dicoria canescens S. B. Parish 1912-10-8 8366 Riverside Indio Salton Basin -6 Comment
  OBI26028  Dicoria canescens David J. Keil 1977-1-2 11935 Riverside W of Blythe along I-10 Comment
  POM15075  Dicoria canescens Mary F. Spencer 1920-4-20 1931 Riverside Palm Springs. 122 Comment
  POM202563  Dicoria canescens Marcus E. Jones 1933-11-7 s.n. Riverside Cabazon Comment
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Sep 16 2011
  UC537240  Dicoria canescens M. E. Jones 1933-12-29 Riverside Palm Springs Comment
  UCR7991  Dicoria canescens Ken Nagy 1968-10-23 s.n. Riverside Colorado Desert, Coachella Valley, Palm Springs 213 Comment
  SD187355  Dieteria asteroides var. asteroides Scott D. White, Angelia Carey 2004-9-16 10764 Riverside San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence. 502 Comment
  UCR19367  Digitaria ischaemum John C. Roos 1965-9-28 s.n. Riverside San Jacinto Valley, San Jacinto Comment
  UCD64071  Digitaria sanguinalis Scott D. White; Brian Leatherman 2004-10-7 10768 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  SD136750  Diplacus aurantiacus Steve Boyd, Tim Ross 1992-5-5 7213 Riverside San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  CAS-BOT-BC152907  Diplacus brevipes Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  RSA0018425  Diplacus longiflorus var. calycinus Carl B. Wolf 1931-5-11 1960 Riverside Near Pipe Creek, above Hemet Valley. 1677 Comment
  SEINET8370224  Diplacus puniceus L. P. Janeway 2004-8-5 8066 Riverside Peninsular Ranges; Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek; on slope above road, bottom of the canyon. 421 Comment
  UCR76160  Distichlis spicata A. C. Sanders 1993-4-1 13659 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UCR2331  Distichlis spicata var. stricta H. J. Webber 1918-6-9 40 Riverside Alkali land NE of Riverside Comment
  RSA13944  Ditaxis lanceolata P. A. Munz 1922-4-9 4883 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA721896  Ditaxis lanceolata J. Mark Porter, Orlando Mistretta 2003-6-5 13607 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  SEINET10453841  Ditaxis lanceolata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 27 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  UCR248428  Ditaxis serrata Duncan S. Bell 2011-12-30 3040 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  CAS-BOT-BC43639  Dithyrea californica Lewis S. Rose 1957-1-9 57022 Riverside La Quinta. 15 Comment
  POM7117  Dithyrea californica P. A. Munz, L. T. Street 1919-3-25 2309 Riverside Sand dunes. Whitewater. 305 Comment
  RSA530736  Dithyrea californica Ora M. Clark 1929-2-22 1575 Riverside E. of Whitewater, Colorado Desert. Comment
  UC2015548  Dithyrea californica A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16186 Riverside Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. Comment
  UC205844  Dithyrea californica S. B. Parish 1919-3-27 19192 Riverside Whitewater <?> Colorado Desert 304 Comment
  CAS-BOT-BC136105  Dodecatheon alpinum Edmund C. Jaeger 1922-7-10 s.n. Riverside Tahquitz [Tacquitz] Valley - San Jacinto Mtn. Comment
  UCR51369  Dodecatheon clevelandii A. C. Sanders 1988-1-30 7592 Riverside Peninsular Range, Eastern foothills of the Santa Ana Mountains, c. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80 acre property to the NW; north of Cherry St., west of Adams Ave, south of Meadowlark Ridge Lane and Elm St 366 Comment
  UCR113633  Downingia cuspidata June Latting 1978-6-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, Mesa de Burro 610 Comment
  UCD55000  Downingia cuspidata Robert F. Thorne; P. Munz, E. Lathrop 1968-5-8 37571 Riverside Santa Rosa Plateau. On Mesa de Colorado, Rancho California. 670 Comment
  RSA33532  Drymocallis glandulosa N. C. Cooper 1944-6-17 1377 Riverside Above Banning. 1067 Comment
  UC527311  Drymocallis glandulosa var. viscida C. B. Wolf 1931-5-11 1961 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mts.); San Jacinto Mts., near Pipe Creek 1676 Comment
  POM12209  Dryopteris arguta P. A. Munz 1922-4-28 5037 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  UC218656  Dryopteris arguta P. A. Munz and I. M. Johnston 1922-5-19 5391 Riverside 3 mi w Keen Camp; San Jacinto Mts 1493 Comment
  UCR138610  Dryopteris arguta D. L. Banks 1996-11-7 1191 Riverside Peninsular Range; Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 150 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 473 Comment
  UCR262566  Dryopteris arguta T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3755 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  UC2059985  Dudleya abramsii K. Nakai 1981-1-22 703 Riverside San Bernardino Mountains, N shore of Lake Baldwin, 1.4 mi E of junction of Highway 18 & 38 on Highway 18. Comment
  UC115216  Dudleya multicaulis Charlotte M. Wilder 1905-6-1 583 Riverside West Riverside Comment
  RSA191407  Dudleya pulverulenta E. W. Lathrop, R. F. Thorne 1967-9-26 6619 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  SD232223  Dudleya pulverulenta Scott D. White, Justin M. Wood 2009-5-22 12930 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  UCR89529  Dyssodia porophylloides Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument; E side of Hexie Mtns., Porcupine Wash, near the junction with Ruby Lee Canyon 732 Comment
  CDA1982  Echinochloa colona T. C. Fuller 1970-10-7 19799 Riverside Palo Verde Valley, southwest of Blythe. 0 Comment
  RSA0106466  Echinochloa crus-galli Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR2345  Echinochloa crus-galli F. M. Reed 1903-11-30 223 Riverside Riverside: Blaine Street, Ramona Ranch. 290 Comment
  UCR268307  Ehrendorferia chrysantha Jim Andre 2012-6-15 30500 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
  UCR25867  Elatine brachysperma John C. Roos 1952-4-16 5539 Riverside Edgemont, near Box Springs 488 Comment
  UCR110455  Elatine chilensis D. E. Bramlet 1998-4-22 2605 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  UCR193135  Eleocharis acicularis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35600 B Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  UCR272501  Eleocharis acicularis Mitch Provance 2012-8-8 812- 01 Riverside San Gorgonio Pass, Banning, S. Hathaway St., between Adams St. and Bryan St. 659 Comment
  RSA719526  Eleocharis bella Naomi Fraga, et al. 2006-7-11 1727 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA92084  Eleocharis bella F. W. Peirson 1921-5-20 3028 Riverside About 1 mile below Kenworthy, Hemet Valley 1387 Comment
  CAS-BOT-BC112920  Eleocharis macrostachya Earl W. Lathrop 1968-5-15 6875 Riverside 6 miles west of Murrieta, Mesa de Colorado of Santa Rosa Plateau. 624 Comment
  SD186018  Eleocharis macrostachya A. C. Sanders, Kelly Volansky 2005-3-17 29234 Riverside French Valley, southeast of Winchester Rd., between Thompson Rd. and Benton Rd. 412 Comment
  SD204751  Eleocharis macrostachya R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55212 Riverside Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  CAS-BOT-BC33443  Eleocharis parishii Samuel Bonsal Parish 1882-4-1 1569 Riverside Palm Springs, Colorado Desert. Tranquility Canyon. Comment
  RSA714377  Eleocharis parishii T. B. Salvato, John Green 2004-5-27 605 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
  CAS-BOT-BC207367  Elymus elymoides Scott D. White 1996-8-1 4404 A Riverside Hwy 243 at Deer Springs trailhead and adjacent area, Idyllwild Area, San Jacinto Mts. 1828 Comment
  POM122850  Elymus glaucus subsp. glaucus Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA591814  Elymus glaucus subsp. glaucus E. W. Lathrop 1973-6-28 7438 Riverside Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SEINET10869081 Image available Elymus glaucus var. jepsonii Harvey M. Hall Hall 2097 Riverside San Jacinto Mountains, south side 1463 Comment
  UCR213879  Elymus hispidus Scott D. White, Justin M. Wood 2008-6-16 12124 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  CLARK-A1703-1207  Emmenanthe penduliflora Charlotte Stocks 1962-5-16 Riverside Whitewater Canyon Comment
  RSA182346  Emmenanthe penduliflora J. D. Olmsted 1962-5-2 3444 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  RSA401447A  Emmenanthe penduliflora I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
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Sep 22 2011
  RSA682848  Emmenanthe penduliflora Scott D. White 2003-3-23 8841 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA772413  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4852 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  SD136826  Emmenanthe penduliflora Steve Boyd, Tim Ross 1992-5-15 7398 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area., vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 669 Comment
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Sep 16 2010
  UCR114116  Emmenanthe penduliflora B. G. Pitzer, J. Ross 1998-3-8 3611 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR116927  Emmenanthe penduliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24216 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR120307  Emmenanthe penduliflora Mitch Provance 1997-5-18 1093 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.4 km south of the end of Savonia Dr. in Southridge, Fontana, just on the Riverside Co. side of the county line 351 Comment
  UCR227009  Emmenanthe penduliflora Jim Andre 2011-2-2 16240 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCR35121  Emmenanthe penduliflora L. B. Ziegler 1969-7-3 383 Riverside San Jacinto Mtns, Hemet Valley. E side of valley. Above Kenworthy Ranger Station. 1585 Comment
  CHSC108907  Encelia actoni Orlando Mistretta; D. Bell, J. England, J. Hall, C. McDonald,L. Reccia 2010-4-13 4916 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
  JEPS34089  Encelia actoni W. L. Jepson 1928-4-25 12584 Riverside Cottonwood Springs Colorado Desert, Eagle Mts., Cottonwood Springs 731 Comment
  RSA691956  Encelia californica Scott D. White, Michael Honer 2003-4-9 8979 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UC31397  Encelia californica E. L. Koethen 1897-4-1 10 Riverside Plains Comment
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Mar 12 2011
  UCR101340  Encelia californica A. C. Sanders, N. Ferguson 1997-3-20 20066 Riverside Riverside area, March Air Force Base, west of Hwy 215 at west end of Cactus Ave., vicinity of former weapons storage facility 518 Comment
  CAS-BOT-BC131335  Encelia farinosa Fremont Ballou 1926-2-25 s.n. Riverside Andreas Canyon Comment
  RSA781747  Encelia farinosa Duncan S. Bell 2011-12-30 3045 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  SBBG52812  Encelia farinosa N. C. Cooper 1949-4-9 3325 Riverside Blythe 80 Comment
  UCR220003  Encelia farinosa A. C. Sanders 2010-11-18 38691 Riverside Peninsular Range; western Gavilan Hills, 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 488 Comment
  UCR244070  Encelia farinosa Jim Andre 2012-4-16 20897 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  POM31393  Encelia farinosa var. farinosa Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  CAS-BOT-BC131442  Encelia frutescens R. D. Alderson 1895-3-31 967 Riverside [Palmetto Spg.,] Palm Springs, Colo. Desert 243 Comment
  SEINET3146517  Encelia frutescens L. S. Rose 1935-12-23 35701 Riverside Colorado Desert; above Deep Cyn., San Jacinto Mts., 22 mi. S of Cathedral City 1067 Comment
  NY688828  Ephedra aspera L. C. Wheeler 1956-2-24 7175 Riverside Pines to Palms Highway, ca. 0.45 mile downhill from 3000 ft. marker. Comment
  RSA534620  Ephedra aspera Frederick W. Oettinger 1969-4-9 866 Riverside San Bernardino Mts., Whitewater Canyon: c. 10 mi. NNW of Palm Springs. Comment
  UCR185109  Ephedra aspera LeRoy Gross, L. Lubinsky, V. W. Steinmann, L. L. Worlow 2005-2-17 1434 b Riverside Chocolatte-Chuckwalla Mountains, Colorado Desert; Corn Springs Campground in the Chuckwalla Mountains. Canyon SW of Campground 549 Comment
  RSA383881  Ephedra californica N. C. Cooper 1944-3-25 1040 Riverside Morongo Pass. 457 Comment
  RSA696370  Ephedra californica Keith E. Hoffmaster 1937-3-16 s.n. Riverside Palm Springs. Comment
  SBBG88010  Ephedra californica A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6142 Riverside N foot of the Chuckwalla Mtns, 2.75 airline mi SE of Desert Center 365 Comment
  SD229018  Ephedra californica Dick Schwenkmeyer 2012-11-6 858 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  CAS-BOT-BC81821  Ephedra nevadensis C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon ca. 100 yards east of Spring Comment
  CAS-BOT-BC81874  Ephedra trifurca Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13264 Riverside Northwest edge of sand dunes, 2.1 mi. S of Rice on road to Midland and Blythe Comment
  JOTR30098  Ephedra trifurca La Doux, Tasha, Mike Bell, Amber Holt 2007-2-13 1737 Riverside Joshua Tree National Park. Stop 2: Lost Palms Canyon, Cottonwood Mountains. 621 Comment
  SBBG51413  Ephedra viridis W. Zabriskie 1974-3-27 161 Riverside S of jct with North Cyn, Andreas Cyn Comment
  SFV21753  Epilobium canum L. Malessa 2000-7-22 s. n. Riverside San Jacinto Mountains Dark Canyon, by stream on road to Dark Canyon Campground. 1775 Comment
  UCR5605  Epilobium canum O. F. Clarke 1966-10-15 661015- 06 Riverside San Jacinto/Santa Rosa Mtns., end of Big Horn Rd. 915 Comment
  SBBG44917  Epilobium canum subsp. latifolium W. B. Holt 1941-10-23 17 Riverside near Split Rock, Joshua Tree National Monument Comment
  RSA601210  Epilobium ciliatum subsp. ciliatum Scott D. White 1996-8-15 4464 Riverside San Jacinto Mtns. Idyllwild Area: Alvin Meadows and unnamed canyon upstream. (immed. adjacent to Idyllild topo) 1524 Comment
  POM19842  Epipactis gigantea Mary F. Spencer 1923-7-20 2248 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA568557  Epipactis gigantea George Henry Grinnell 1923-5-28 s.n. Riverside Riverside. Comment
  UC4492  Epipactis gigantea H. M. Hall July, 1901 2370 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1645 Comment
  UCR108391  Equisetum arvense L. C. Wheeler 1961-6-24 7904 Riverside San Jacinto Mountains, Strawberry Creek at Idyllwild Arts Foundation, Idyllwild. Comment
  MACF019738  Equisetum hyemale subsp. affine Julie Sanders 1967-11-5 88 Riverside Strawberry Creek across from USC Camp Isomata in Idyllwild. San Jacinto Mtns. 1828 Comment
  UCR25241  Eragrostis mexicana subsp. mexicana John C. Roos 1952-5-14 5659 Riverside San Bernardino Valley, Riverside, corner of Iowa Avenue and 8th Street 305 Comment
  RSA682319  Eragrostis pectinacea var. pectinacea A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15770 Riverside San Jacinto Mts. N slope of mts.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing., (116 deg 48'W, 33 deg 53'N 854 Comment
  RSA28057  Eremalche exilis I. L. Wiggins 1941-3-27 9685 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  JOTR31968  Eremalche rotundifolia La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2205 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA544320  Eremocarpus setiger Steve Boyd 1991-9-8 6428 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  OBI32597  Eremothera boothii A. C. Sanders 1983-4-24 3798 Riverside Alluvial fan at the NW end of the Orocopia Mts along hwy 195, +/- 3 mi NE of Shavers Well and 2.7 mi NE of the point where the rd enters Box Cyn 366 Comment
  CAS-BOT-BC160058  Eremothera boothii subsp. condensata L. A. Greata 1905-4-1 432 Riverside Coachella Comment
  CAS-BOT-BC160062  Eremothera boothii subsp. condensata Edmund C. Jaeger 1939-3-30 s.n. Riverside Desert Center 243 Comment
  RSA0026192  Eremothera chamaenerioides Jim Andre 2013-3-4 23872 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  RSA0105510  Eriastrum densifolium subsp. austromontanum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3610 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA0105460  Eriastrum densifolium subsp. austromontanum Mary F. Spencer 1921-6-30 1190 Riverside Idyllwild. San Jacinto Mountains. 1616 Comment
  JOTR31169  Eriastrum densifolium subsp. elongatum La Doux, Tasha 2009-6-3 1872 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  UCR232520  Eriastrum diffusum Dave Silverman, Onkar Singh 2010-3-27 7868 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd, & c. 6 km N of Blythe Airport 131 Comment
  RSA0119712  Eriastrum diffusum subsp. coachellae Scott D. White, Michael Honer 2003-4-25 9102 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road. 610 Comment
  SD46109  Eriastrum diffusum subsp. coachellae Herbert L. Mason 1952-4-7 14214 Riverside Palm Canyon, Palm Springs. Comment
  CAS-BOT-BC514475  Eriastrum eremicum subsp. eremicum Alice Eastwood 1913-4-30 2984 Riverside Palm Springs Comment
  JEPS69033  Eriastrum eremicum subsp. eremicum W. L. Jepson 1928-4-26 12643 Riverside Whitewater bridge Colorado Desert, San Gorgonio Pass Comment
  UC964727  Eriastrum filifolium Herbert L. Mason 1926-5-2 3200 Riverside Temecula Valley Comment
  UCR241056  Eriastrum filifolium John F. Green 2013-5-17 s.n. Riverside Peninsular Range, near intersection of Temescal Canyon Rd. and Campbell Ranch Rd. 329 Comment
  RSA0020092  Eriastrum harwoodii J. Andre 2013-3-27 24794 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  JEPS69118  Eriastrum sapphirinum C. V. Meyer June 1927 152 Riverside Temecula Comment
  UC718494  Eriastrum sapphirinum P. C. Everett 1935-6-17 7166 Riverside trail to Santiago Peak 2 mi above Glen Ivy Resort; Santa Ana Mts., Coldwater Can. 609 Comment
  RSA747513  Ericameria cuneata var. spathulata Justin M. Wood 2009-3-10 353 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  SD90355  Ericameria linearifolia C. W. Tilforth 1973-4-29 780 Riverside Along Highway 74 between Alpine Village and Paradise Valley, 1 mile east of junction with Santa Rosa Muntain fire road. Comment
  SBBG119024  Ericameria palmeri var. pachylepis S. D. White with M. Honer 2004-4-6 10047 Riverside Temescal Valley, just N of the I-5 and E of Indian Truck Trail, S and W of Lee Lake (Alberhill: 33 deg 45'N, 117 deg 26'30"W; T5S R5W S7, SW1/4, and adjacent S 12) 335 Comment
  SD127547  Ericameria paniculata Reid Moran 1967-11-7 14648 Riverside 4 miles north of Palm Springs. 299 Comment
  OBI16551  Erigeron foliosus Robert F. Hoover 1968-6-7 11156 Riverside Head of St. Johns Cyn Comment
  RSA6084  Erigeron foliosus C. B. Wolf 1932-5-25 3667 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  SEINET192956  Erigeron foliosus Lester Rowntree 1936-5-16 Riverside Pines to Palms Highway. Comment
  LA205611  Eriodictyon crassifolium Carl Epling; 1927-3-27 sn Riverside Palm Springs Comment
  OBI13961  Eriodictyon crassifolium Tracey and Viola Call, Viola Call 1962-4-13 2123 Riverside Tin Mine Canyon near Corona. 351 Comment
  UC455938  Eriodictyon crassifolium var. crassifolium I. J. Condit 1910-6-24 Riverside San Jacinto Mts. Comment
  UCR898  Eriodictyon crassifolium var. crassifolium John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns., 4 mi. SE of Banning on Hwy 243 915 Comment
  CAS-BOT-BC248626  Eriogonum apiculatum Philip A. Munz 1938-8-13 15333 Riverside Near Santa Rosa Peak 2316 Comment
  POM254741  Eriogonum apiculatum P. A. Munz 1938-8-13 15333 Riverside Near Santa Rosa Peak 2317 Comment
  UC1007165  Eriogonum apiculatum Philip A. Munz 1938-8-13 15333 Riverside near Santa Rosa Peak 2316 Comment
  CAS-BOT-BC242792  Eriogonum davidsonii E. K. Balls; P. C. Everett 1953-8-19 18529 Riverside Hwy from Banning to Idyllwild, s.e. from Lake Fullmore [Fulmore] 1676 Comment
  RSA393467  Eriogonum davidsonii Anstruther Davidson 1892-7-3 s.n. Riverside San Jacinto. Comment
  UC534910  Eriogonum davidsonii Susan G. Stokes 1933-7-1 106 Riverside near Idyllwild; San Jacinto Mts. Comment
  UC56795  Eriogonum davidsonii H. M. Hall May 17 1901-Jun 1 1901 1860 Riverside eastern base San Jacinto Mt. San Jacinto Mt. 914 Comment
  UCR82769  Eriogonum davidsonii A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15777 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  RSA393274  Eriogonum deflexum var. deflexum J. A. Comstock 1942-5-31 644 Riverside Desert Center. Comment
  UCR49110  Eriogonum elongatum J. D. Tenhunen, James C. Dice 1987-9-9 722 Riverside c. 1.6 km NNW of Royal Oak Ranch 380 Comment
  UCR92601  Eriogonum elongatum Scott D. White, M. A. Patten 1995-8-16 3544 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  UCSB72295  Eriogonum fasciculatum Philbrick, Ralph 1953-6-1 Riverside Joshua Tree National Monument Comment
  RSA569010  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-6-17 1410 Riverside Banning. 701 Comment
  RSA715451  Eriogonum fasciculatum var. foliolosum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32668 Riverside 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. 579 Comment
  UCR90741  Eriogonum fasciculatum var. foliolosum Scott D. White 1995-4-5 2734 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR93086  Eriogonum fasciculatum var. foliolosum A. C. Sanders, S. Ogg 1994-7-28 15190 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  POM197991  Eriogonum fasciculatum var. polifolium Donald A. Johansen, J. A. Ewan 1932-4-10 7048 Riverside Warrens Ranch at Whitewater. Comment
  CLARK-A1528-3738  Eriogonum gracile C. Epling, William Robison 1933-6-24 Riverside San Gorgonio Wash Comment
  UCR133320  Eriogonum gracile John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA0098176  Eriogonum gracile var. gracile Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8566 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  UCR272193  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8561 Riverside San Jacinto Mountains, Garner Valley, west side of the hwy, c. 3.75 air miles southeast of Lake Hemet 1370 Comment
  CAS-BOT-BC257580  Eriogonum inflatum L. R. Abrams 1926-3-27 11124 Riverside Near Whitewater Comment
  RSA795943  Eriogonum inflatum Duncan S. Bell 2009-4-19 277 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR60830  Eriogonum inflatum Steve Boyd, Orlando Mistretta 1986-3-13 1475 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  UCSB1442  Eriogonum inflatum Gray, Caroline 1956-4-13 Riverside Whitewater Cyn; near Whitewater Comment
  UC666511  Eriogonum inflatum var. deflatum Annie M. Alexander and Louise Kellogg 1941-5-28 2263 Riverside e on Metropolitan Aqueduct road Hayfield (on bank below road); Colorado Desert Comment
  RSA126714  Eriogonum maculatum Peter H. Raven 1958-5-18 s.n. Riverside Hemet Meadows, San Jacinto Mountains. Comment
  POM250544  Eriogonum molestum I. W. Clokey, E. G. Anderson 1935-8-21 s.n. Riverside East of Keen Camp P.O. 1370 Comment
  RSA766362  Eriogonum nudum var. pauciflorum Joseph A. Ewan 1928-8-30 1499 Riverside Tahquitz Peak Trail, San Jacinto Mts. 2012 Comment
  RSA679189  Eriogonum nudum var. pauciflorum Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1455 Riverside East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  SEINET5330942  Eriogonum nudum var. pubiflorum I. W. Clokey, E. G. Anderson 1935-8-21 6590 Riverside Keene Camp P.O., Hillside 1425 Comment
  SD232303  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR104041  Eriogonum pusillum George K. Helmkamp 1998-4-3 3066 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  JOTR32487  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  POM244313  Eriogonum saxatile E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  CAS-BOT-BC263539  Eriogonum thomasii C. L. Hitchcock 1940-3-31 5890 Riverside Between Cottonwood Springs and Pinto Basin Comment
  CLARK-A1528-746  Eriogonum thomasii Charlotte Stocks 1963-3-21 Riverside Coachella Comment
  RSA424962  Eriogonum thomasii Robert L. Dressler 1949-3-19 382 Riverside Box Canyon, Orocopia Mts. Comment
  SEINET5584428  Eriogonum thomasii Stephen Hale 2010-1 Riverside Along WAPA Parker-Blythe transmission line, adjacent to State Route 95 Comment
  UCR166861  Eriogonum thomasii Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR251352  Eriogonum thomasii S. J. Myers 2014-5-21 1064 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCSC011195  Eriogonum thomasii Adam Searcy 2012-4-6 51 Riverside Bradshaw Trail Comment
  CAS-BOT-BC262878  Eriogonum thurberi A. J. McClatchie 1896-7-7 1162 Riverside Pala Comment
  UC454346  Eriogonum wrightii I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  RSA420612  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-4 172 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  POM224889  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside Whitewater Creek, 2 miles north of main Hwy, northeastern corner of Coachella Valley. Comment
  CLARK-A1528-4626  Erioneuron pulchellum John C. Roos 1949-3-5 4088 Riverside Orocopia Mountains Comment
  CAS-BOT-BC298479  Eriophyllum ambiguum var. paleaceum Edmund C. Jaeger 1922-3-19 s.n. Riverside Painted Canon near Mecca Comment
  JEPS5462  Eriophyllum ambiguum var. paleaceum Dr. L. M. Newlon 1922-4-4 454 Riverside Palm Canon Mt. San Jacinto, Palm Canon Comment
  POM29802  Eriophyllum confertiflorum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA771124  Eriophyllum confertiflorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5001 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  SD187350  Eriophyllum confertiflorum Scott D. White, Angelia Carey 2004-4-16 10157 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  SDSU20271  Eriophyllum confertiflorum Adrienne D. Russell, Tahirch Linz & Matt Guilliams 2000-4-29 123 Riverside Santa Margarita Ecological Reserve, Temecula, insect trail, mapping project for plant taxonomy class. Comment
  UCD132264  Eriophyllum confertiflorum P. C. Everett; E. K. Balls 1958-5-4 23081 Riverside Morongo Pass, 7.6 mi. n. along road to 29 Palms from U.S. Hwy. 60/70. 670 Comment
  LA203532  Eriophyllum confertiflorum var. confertiflorum Elizabeth McClintock; 1940-5-19 sn Riverside about 0.25 mi. from Pines to Palms Highway, on Santa Rosa Mt. Road Comment
  UC1719442  Eriophyllum confertiflorum var. confertiflorum D. Atwood 1993-3-26 17661 Riverside Santa Ana Mountains; 1.5 mi S of Lake Elsinore, along Hwy 74 670 Comment
  UCR174317  Eriophyllum multicaule A. C. Sanders 2006-5-19 32418 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
  JOTR30965  Eriophyllum wallacei La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1940 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  POM358159  Eriophyllum wallacei Norman C. Cooper 1944-3-25 1022 Riverside Morongo Pass. 457 Comment
  RSA528105  Erodium botrys Steve Myers 1991-4-15 91 -4 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  RSA604865  Erodium botrys Scott D. White 1995-3-30 2634 Riverside Just west of Box Springs Blvd, east of Sycamore Canyon Park. 457 Comment
  SD68945  Erodium brachycarpum Robert F. Thorne, E. Lathrop, et al. 1968-4-18 37435 Riverside Santa Rosa Plateau on Mesa de Colorado, Rancho California. 671 Comment
  UCR97436  Erodium brachycarpum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19842 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  CLARK-A1656-629  Erodium cicutarium Lois Ann Scott 1978-4-3 Riverside Palm Springs 152 Comment
  UC17078  Erodium cicutarium Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR180591  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UC63848  Erodium macrophyllum H. M. Hall 1897-5-4 523 Riverside Alice Mine Comment
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Jun 2 2012
  UCR97502  Erodium moschatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19874 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR12317  Eryngium aristulatum O. F. Clarke 1971-11-14 s.n. Riverside Peninsular Range, Mesa de Colorado on the Santa Rosa Plateau, just north of San Diego Co. line 627 Comment
  RSA286798  Eryngium aristulatum var. parishii R. F. Thorne 1974-5-23 44662 Riverside Santa Rosa Plateau, Rancho California: top of Mesa de Colorado 625 Comment
  LA204341  Erysimum capitatum var. capitatum Norman C. Cooper; 1944-5-20 1227 Riverside Palms to Pines Highway 1371 Comment
  RSA530205  Erysimum capitatum var. capitatum N. C. Cooper 1945-5-24 1621 Riverside Big Oaks Canyon, Banning. 1219 Comment
  RSA0020243  Erythranthe floribunda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 644 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR77710  Eschscholzia caespitosa Steve Boyd 1991-5-10 6210 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  OBI52763  Eschscholzia californica Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck Trl Comment
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Nov 17 2014
  UCR241214  Eschscholzia californica Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 51 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  UCR251937  Eschscholzia californica Harun Bektas 2011-4-26 14 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  CAS-BOT-BC83134  Eschscholzia minutiflora H. M. Hall 1905-4-1 5901 Riverside Colorado Desert. Chuckawalla Springs. Comment
  RSA0023220  Eschscholzia papastillii Robert F. Thorne 1963-3-29 32369 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  CAS-BOT-BC419630  Eschscholzia parishii D. W. Kyhos 1962-3-18 62 -43 Riverside Slope of hill at west side of mouth of Whitewater Canyon Comment
  JOTR28955  Eschscholzia parishii La Doux, Tasha 2005-3-30 1191 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR38684  Eschscholzia parishii Hodges, Stephen R. 2017-2-7 700 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UC855175  Eschscholzia parishii I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs Comment
  UCSB3658  Eschscholzia parishii Sager, Ginny 1960-4-2 Riverside Morongo Valley Comment
  RSA0022924  Eschscholzia parishii Richard Snow 1953-4-5 50 Riverside Corn Spring. Comment
  SD187425  Eucrypta chrysanthemifolia Scott D. White, Angelia Carey 2004-4-16 10191 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UC449852  Eucrypta chrysanthemifolia var. chrysanthemifolia Fred M. Reed 1908-2-2 2017 Riverside Sycamore Canyon Box Springs Hills, Riverside (Box Springs Hills, Riverside and vicinity) Comment
  UCR237628  Eucrypta micrantha Duncan S. Bell 2010-3-20 607 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  SD239815  Eugenia uniflora A. C. Sanders, T. B. Salvato 2012-2-8 39961 Riverside Peninsular Range: Riverside, south side of UCR campus at old C.E.S. Director's garden, S of South Campus Dr., near College Building North (Riverside East 7.5'Q) 353 Comment
  SBBG55788  Eulobus californicus D. Keil, M. McLeod 1977-3-26 12008 -1 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  UCR172190  Euphorbia albomarginata 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
  JOTR34092  Euphorbia eriantha La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1020 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, approx. 2.5 miles north of park boundary 711 Comment
  RSA0041945  Euphorbia jaegeri Duncan S. Bell, Loraine Washburn 2014-4-9 6590 Riverside Orocopia Mountains; northeast section of range; approximately 3.75 air miles south of Hayfields Lake. 551 Comment
  UCR103273  Euphorbia polycarpa B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3575 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR214573  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37854 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  RSA70391  Euphorbia polycarpa var. hirtella F. W. Peirson 1928-4-24 7910 a Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  UCD142732  Euphorbia polycarpa var. hirtella Lewis S. Rose 1966-12-11 66099 Riverside La Quinta. 91 Comment
  SD109085  Euphorbia setiloba Grady L. Webster, R. Hildreth 1966-12-10 7467 Riverside Wash in Box Canyon, ca. 9-10 miles northeast of Mecca on California 195. 239 Comment
  SD181569  Euphorbia setiloba Scott D. White 1999-4-20 7272 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95, ca. 7.0 miles north of Interstate 10. 89 Comment
  CAS-BOT-BC171043  Fagonia laevis Duncan M. Porter 1961-12-28 752 Riverside Ca. 1 mile E of Desert Center on Highways 60 and 70. Comment
  RSA645670  Fagonia laevis Scott D. White 1999-4-20 7274 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  RSA796752  Fagonia laevis Jim Andre 2012-4-11 20841 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UCR72179  Fagonia laevis Theo Glenn 1991-5-15 91- 39 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  RSA784766  Fagonia pachyacantha Duncan S. Bell 2012-3-18 3170 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
  UCSB4264  Ferocactus cylindraceus Gray, Caroline 1956-4-14 Riverside Devil's Garden; 3 mi. off Highway 99 Comment
  RSA439062  Ferocactus cylindraceus var. lecontei M. B. Dunkle 1933-5-6 3420 Riverside Colorado Desert. Dry Morongo Creek. Comment
  UCR5908  Festuca myuros Leland E. Francois 1966-3-29 32966- 2 Riverside Riverside, SE corner US Salinity Laboratory property, located at the corner of 14th St. and Palm Ave. 290 Comment
  UCR88303  Festuca octoflora A. C. Sanders, K. C. Rose 1995-4-5 16385 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 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
  SEINET3082495 Image available Filago californica Robert F. Thorne, Drs. Fosberg, Sachet, & Herbst 1983-4-23 55488 Riverside San Bernardino Mts: Sandy wash along Whitewater River where road crosses river below fish hatchery, ca. 4 mi. N of Whitewater Post Office. Comment
  UCR174567  Filago californica Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-21 310 Riverside Peninsular Ranges: Box Springs Mtns., Box Springs Mountain Reserve. First trail on the left beyond the parking lot along the service road 793 Comment
  UCR232070  Filago californica John F. Green 2008-4-24 13- 02 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR133668  Filago gallica 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
  UCR31848  Flaveria trinervia A. C. Sanders 1981-10-31 2392 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 Comment
  RSA115035  Forestiera pubescens E. K. Balls 1955-7-19 20974 Riverside Hwy, 74, 17 mi. se. of Mountain Center on road to Palm Springs. Comment
  UCR207510  Forestiera pubescens O. F. Clarke 2004-3-14 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  RSA182257  Fouquieria splendens Robert F. Thorne, James Henrickson 1963-3-29 32440 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 534 Comment
  RSA784967  Fouquieria splendens Duncan S. Bell 2012-3-18 3217 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  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
  UCR96124  Fouquieria splendens B. G. Pitzer 1996-11-9 2922 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  JEPS46442  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point, Blythe intake Comment
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Jun 8 2012
  PASA193  Frasera parryi J. Poole 1964-6-29 Riverside San Jacinto Mts. Comment
  UCR130707  Frasera parryi George K. Helmkamp, E. A. Helmkamp 1998-6-27 4071 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UCR201430  Frasera parryi Scott D. White, Justin M. Wood 2008-6-17 12167 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UC1608287  Fraxinus velutina Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7330 Riverside San Mateo Canyon, along stream and adjacent benches from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon San Mateo Canyon; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 365 Comment
  CAS-BOT-BC422454  Fumaria officinalis Steve Morgan 1994-3-25 94 -2 Riverside Riverside. Comment
  SBBG58630  Funastrum hirtellum Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  SFV17333  Funastrum hirtellum J. D. Dilley, J. N. Hogue (108.16) 1998-4-23 272 Riverside Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UCR121242  Galium andrewsii subsp. andrewsii Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2292 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  JEPS56074  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4178 Riverside Hwy 79 17.2 mi s Hemet (n-facing slope) Comment
  POM259262  Galium angustifolium subsp. angustifolium Philip A. Munz 1938-8-14 15387 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  UCR147260  Galium angustifolium subsp. jacinticum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1283 a Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  SD73599  Galium aparine Helen V. Witham 1970-5-1 846 Riverside steep north bank, Bautista Canyon, southeast of Hemet 800 Comment
  UCR214331  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38370 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  JOTR33927  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2818 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
  UC1929476  Galium porrigens Scott D. White, Michael Honer 2003-6-3 9476 Riverside San Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  RSA457786  Galium stellatum Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2212 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  CAS-BOT-BC217616  Galium stellatum subsp. stellatum C. L. Hitchcock 1940-3-30 5870 Riverside Cottonwood Spring Comment
  UC774631  Garrya flavescens Carl B. Wolf 1939-1-20 Riverside e side Santa Ana Mts. (along Eagle Motor Way, 1 mi below summit) 914 Comment
  RSA494631  Garrya veatchii Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  CAS-BOT-BC278710  Gastridium ventricosum Scott D. White 1995-6-30 3434 Riverside Murrieta area, W Riverside Co. (Santa Ana Mtn. foothills). Cole Creek, NW of Murrieta, upstream from Murrieta Ck. confluence 360 Comment
  RSA719780  Gayophytum decipiens Naomi S. Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1739 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA613461  Gazania linearifolia D. L. Banks, Victor Steinmann 1997-3-13 1431 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
  UCR225187  Gazania linearis Steve Boyd, Susan Jett 2008-3-20 11833 Riverside Peninsular Ranges; Santa Ana Mountains region, Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  POM305627  Geraea canescens Henry J. Ramsey, Henry J. Ramsey 1937-3-2 872 Riverside Desert center, Mojave Desert Comment
  RSA778247  Geraea canescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 933 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UC53923  Geraea canescens F. Gilman 1902-1 38 Riverside Palm Springs Comment
  UC69318  Geraea canescens L. A. Greata 1905-4-1 Riverside Coachella Comment
  UCR103320  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-2-5 2650 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UC64175  Geranium californicum H. M. Hall Aug 1901 2576 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  RSA70499  Geranium carolinianum F. W. Peirson 1922-4-10 2859 Riverside Murray Canyon, near Palm Springs. 305 Comment
  CLARK-A1528-3499  Gilia achilleifolia subsp. multicaulis John C. Roos 1940-4-20 903 Riverside Reche Canyon Comment
  RSA470133  Gilia angelensis Ora M. Clark 1929-3-16 1688 Riverside South of Cabazon. Comment
  SEINET7073305  Gilia angelensis A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR155833  Gilia angelensis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UC1928524  Gilia australis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10501 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  RSA0054878  Gilia capitata var. achilleifolia Keith E. Hoffmaster 1937-6-6 770 Riverside San Jacinto Mts. Comment
  RSA0124003  Gilia diegensis Duncan S. Bell, Thomas Stoughton 2016-4-13 9248 A Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA0017284  Gilia ochroleuca subsp. exilis Naomi Fraga, Duncan S. Bell 2009-5-6 2705 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  UCR115338  Gilia ochroleuca subsp. exilis A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16248 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
  UCR121188  Gilia ochroleuca subsp. exilis D. E. Bramlet 1991-5-10 2138 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  RSA0016296  Gilia ochroleuca subsp. exilis G. R. Campbell 1951-5-30 16120 Riverside 9 miles west of Anza. 1067 Comment
  RSA776239  Gilia scopulorum Duncan S. Bell 2010-3-20 600 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  JOTR30237  Gilia sinuata Leary, C. and Leary, Pat 1979-5-5 3000 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6. Comment
  RSA67645  Gilia sinuata Verne Grant, Alva Grant 1960-4-9 8838 Riverside Pass between Whitewater and Morongo Valley, 0.4 mile S of San Bernardino Co. line Comment
  RSA49190  Gilia stellata P. A. Munz 1949-4-13 13043 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA799087  Gilia stellata Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6884 Riverside South side of Joshua Tree National Park, Cottonwood Spring 884 Comment
  SEINET3217332 Image available Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe. (McCoy Peak 7.5 Q.) 183 Comment
  SD146072  Glinus lotoides A. C. Sanders, Mitch Provance 1999-9-26 23111 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles southeast of Jackrabbit Trail on Gilman Springs Road, 1.4 miles south of Eden Hot Spr 433 Comment
  RSA388421  Gnaphalium californicum R. F. Thorne 1985-7-18 61191 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA575909  Gnaphalium leucocephalum Steve Boyd 1994-10-14 8385 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  RSA643676  Gnaphalium palustre A. C. Sanders, J. C. Lyman 1995-4-16 16567 Riverside Glen Avon: sand dune area on the N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  CAS-BOT-BC56798  Grusonia parishii Alverson 1899-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UC494550  Guillenia lasiophylla Philip A. Munz 1932-3-13 11980 Riverside Deep Canyon Coachella Valley 91 Comment
  UCR244433  Guillenia lasiophylla Jim Andre 2012-4-16 20928 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  UCR117338  Gutierrezia californica Mitch Provance 1998-3-22 253 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR203959  Gutierrezia californica Michael Wall 2008-10-3 491 Riverside Perris-Aguanga Basin, Bautista Creek, east of Hemet off Bautista Canyon Road c. 7 mi east of the junction with Fairview Ave. 758 Comment
  UCR3585A  Gutierrezia californica O. F. Clarke 1970-10-28 s.n. Riverside Riverside, Botanic Gardens of the University of California, Riverside 396 Comment
  POM253549  Gutierrezia sarothrae Thos Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  CLARK-A1528-1905  Haplopappus squarrosus John C. Roos 1952-8-27 5890 Riverside Reche Canyon 457 Comment
  SBBG120608  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  CDA6473  Helianthus gracilentus F. J. Willmarth 1961-5-26 Riverside Along Cherry Ave, north of Cherry Valley, Beaumont District. 0 Comment
  RSA701121  Helianthus gracilentus Michael Wall 1996-7-1 166 Riverside Cherry Valley, Beaumont/Oak Glen Rd, 2.6 mi N of Cherry Vly Blvd, top of steep E slope of Little San Gorgonio Creek. Comment
  UC1532826  Heliotropium curassavicum Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47310 Riverside Santa Rosa Plateau, Mesa de Burro, Rancho California 609 Comment
  RSA710826  Hemizonia fasciculata A. C. Sanders 2005-5-4 29842 Riverside Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR112008  Hemizonia fasciculata A. C. Sanders, T. B. Salvato 2000-5-25 23412 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR103912  Hemizonia kelloggii B. G. Pitzer 1997-4-11 3122 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR235082  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-6-1 40231 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  UCR60919  Hemizonia kelloggii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3687 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  RSA614089  Hemizonia mohavensis A. C. Sanders, Clarke, Alexander, et al. 1994-1-1 14224 Riverside Drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Road (dirt). 280 Comment
  UCR217513  Hemizonia mohavensis Karyn L. Drennen 2009-7-22 002 Riverside San Jacinto Mtns, Chimney Flats 1354 Comment
  RSA675685  Hemizonia paniculata Scott D. White 2001-6-19 8594 Riverside Sun City: Quail Valley east of Canyon Lake and west of Goetz Road. 442 Comment
  SEINET238520  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR12551  Hemizonia paniculata Eric Trubschenck 1972-5-8 12 Riverside Moreno Valley, 12 miles east of Riverside, 1 mi south of intersection of Alessandro Blvd with Wilmot Street 549 Comment
  UCR136162  Hemizonia paniculata A. C. Sanders 2004-6-20 28216 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. 305 Comment
  UCR167510  Hemizonia paniculata Scott D. White, Michael Honer 2004-4-6 10063 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
  UCR130519  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2003-5-27 03- 247 Riverside Elsinore Trough, back basin of Lake Elsinore, south of Lake Elsinore inlet and west of Diamond Stadium off Pete Lehr Drive 384 Comment
  RSA550343  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4645 Riverside Lowdesert: Chuckwalla Road, 14.3 miles E of Corn Spring Road. Comment
  RSA515313  Hesperocnide tenella Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue. 610 Comment
  UCR97451  Hesperocnide tenella A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19767 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  SD232213  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-7-9 12429 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1426 Comment
  UCR270747  Heteromeles arbutifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8351 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA0072394  Heteromeles arbutifolia Steve Boyd, Tim Ross, L. Arnseth 1990-3-30 3959 Riverside Vail Lake area, westerly draining canyon a N base of 'Big' Oak Mtn. 640 Comment
  RSA0008465  Heterotheca fastigiata Scott D. White, Michael Honer 2003-5-13 9247 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  SD136915  Heterotheca grandiflora Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7675 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. Comment
  UCR82900  Heterotheca sessiliflora A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15804 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  POM258778  Heterotheca sessiliflora subsp. echioides E. C. Jaeger 1939-8-30 s.n. Riverside Radec Comment
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Mar 25 2011
  RSA0100142  Heuchera hirsutissima Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8584 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  HSC66721  Hibiscus denudatus Christopher Davidson, Josephine Jones 1980-4-4 9961 Riverside W end of Orocopia Mtns., canyon and wash S of Oro Peak 518 Comment
  UC170160  Hibiscus denudatus E. E. Schellenger 1894-12-2 106 Riverside Chuckawalla Wash, Colorado Desert Comment
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Sep 15 2016
  UCR208895  Hibiscus denudatus I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, mouth of Andreas Canyon 244 Comment
  OBI21905  Hilaria rigida Robert F. Hoover 1966-10-15 10179 Riverside Bighorn Dr, San Jacinto Mts Comment
  UCR281907  Hilaria rigida A. C. Sanders, Jim Malusa 2017-9-21 43358 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  CDA27093  Hoffmannseggia glauca Agricultural Commissioner Nov 1971 Riverside 0.25 mile south of the existing Highway 60, 4 miles west of Blythe. 0 Comment
  SEINET10687049  Hoffmannseggia microphylla David B. Dunn 1946-2-23 Dunn 1983 Riverside Hidden Springs Canyon in the vicintiy of the Palms. Comment
  UC866235  Hoita orbicularis Crawford and Johnston 1917-6-9 1224 Riverside near Corona; Santa Ana River Comment
  RSA597947  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Old abandoned field in Santa Ana River bottom above West Riverside Bridge. 244 Comment
  POM15212  Hordeum depressum Mary F. Spencer 1922-3-26 1925 Riverside Mecca -49 Comment
  RSA601925  Hordeum intercedens D. E. Bramlet 1997-3-13 2497 Riverside Nichols Road Wetlands. This site is located aproximatly 183 m. southeast of Nichols Road, 91m west of Collier Ave. and 196m west of I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to Alberhll Creek. 381 Comment
  UCR174461  Hordeum intercedens A. C. Sanders, John F. Green 2006-5-18 32378 Riverside Peninsular Range, French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  RSA560848  Hordeum marinum subsp. gussoneanum Steve Boyd, Timothy S. Ross 1992-5-4 7176 -A Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR202504  Hordeum murinum Justin M. Wood 2008-12-2 259 Riverside Southwest Perris Basin, city of Temecula, Murrieta Creek, downstream of First Street Bridge 305 Comment
  RSA0123111  Horsfordia newberryi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9018 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA304587  Horsfordia newberryi A. C. Sanders 1982-12-19 3452 Riverside Coachella Valley at the foot of the Santa Rosa Mountains, south side of the ridge forming the southern boundary of Martinez Canyon; west end of Ave74, 2.6 miles west of Polk Street. 122 Comment
  SD229152  Hosackia crassifolia var. crassifolia Dick Schwenkmeyer 2012-8-28 814 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  RSA34537  Hulsea vestita subsp. callicarpha N. C. Cooper 1944-5-20 1254 Riverside Palms to Pines Hwy. San Jacinto Mts. 1432 Comment
  SBBG65750  Hulsea vestita subsp. callicarpha Mrs. J. D. Wright 1929-6-25 Riverside Idyllwild Comment
  RSA717497  Hydrocotyle ranunculoides A. C. Sanders, O. F. Clarke 1991-6-10 11120 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  POM293695  Hymenoclea salsola Lyman Benson 1949-3-28 13570 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  POM361067  Hymenoclea salsola Ora M. Clark 1929-3-17 1767 Riverside San Andreas Canyon, S. of Palm Springs. Comment
  SEINET2055704 Image available Hymenoxys cooperi P. Leary 1975-6-6 1267 Riverside 1/4 mile E of the shaft in Johnny Long Canyon, Joshua Tree National Monument 1310 Comment
  UCSB4124  Hypericum scouleri Kamb, Peter 1948-10-31 Riverside Hall Canyon; San Jacinto Mts Comment
  RSA613451  Hypochaeris glabra D. L. Banks, Victor Steinmann 1997-3-13 1441 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
  RSA192190  Hypochaeris radicata E. W. Lathrop 1960-6-6 4827 Riverside 14 miles W. of Murrieta. Comment
  JOTR34309  Hyptis emoryi Andre, Jim 2012-4-11 20724 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  POM294817  Hyptis emoryi Lyman Benson 1945-11-11 11963 Riverside Palm Springs. -30 Comment
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Apr 25 2011
  RSA420169  Hyptis emoryi N. C. Cooper 1944-4-8 1064 Riverside Andreas Canyon. 305 Comment
  SEINET7907884  Hyptis emoryi D. A. Johnson 2005-1 2005- 02 -20-16 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  UC604959  Hyptis emoryi Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 mi up Painted Canyon; Mecca Hills, up Painted Canyon Comment
  UC63795  Hyptis emoryi H. M. Hall May 17 1901-Jun 1 1901 1838 Riverside Palm Canyon 457 Comment
  JEPS19094  Isocoma acradenia var. eremophila S. B. Parish 1913-2-28 8475 Riverside Mecca Salton Sink -60 Comment
  RSA717624  Isocoma acradenia var. eremophila Scott D. White, Andrea Warniment 2006-3-29 11277 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 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
  RSA778130  Isomeris arborea Thomas Stoughton, Erika Gardner, Duncan S. Bell 2010-11-12 716 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 732 Comment
  UCR96093  Iva axillaris G. R. Ballmer, K. T. Stockwell 1996-6-1 s.n. Riverside E of Murrieta: Warm Springs Creek c. 1/2 way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  CAS-BOT-BC426243  Jepsonia parryi Samuel B. Parish 1896-4-2 4081 Riverside Palm Springs (Agua Caliente) Comment
  SD136755  Jepsonia parryi Steve Boyd 1994-10-14 8400 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest. San Mateo Cyn, along San Mateo Trail between N branch of Tenaja Trail and Fisherman's Camp. aong trail on mossy banks in understory of chaparral 427 Comment
  UC2015650  Juglans californica Scott D. White 1995-3-30 2683 Riverside San Jacinto Valley. Moreno Valley; base of Badlands slopes, N of Highland Bl. and W of Theodore St. Comment
  UCR127580  Juglans californica D. E. Bramlet 2003-5-28 3454 Riverside San Gorgonio wash, along dirt road to MWD tailings site, 1768m south of Cabazon, and 762m north of the Colorado aqueduct 545 Comment
  UCR210  Juglans californica Eugene Cardiff 1950-3-15 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mtns.] 518 Comment
  SD241063  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11 126 Riverside Santa Ana Canyon, end of Green River Road, near entrance to Green River Golf Course. 124 Comment
  JEPS63812  Juncus balticus S. B. Parish 1913-2-7 8455 Riverside near Mecca; Salton Basin -60 Comment
  UCR272134  Juncus cooperi Duncan S. Bell 2015-8-12 8592 Riverside Colorado (Sonoran) Desert, southwestern section of the Orocopia mountains, spring in the southern section of the Dos Palmas area -41 Comment
  SEINET6059809  Juncus effusus Scott D. White 1998-7-31 6957 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA505034  Juncus macrophyllus Ed LaRue 1989-6-23 s.n. Riverside Cleveland National Forest, parts of McVicker, Leach and Dickey Canyons, just E and SE of Lake Elsinore., (Near 33 deg 40 N, 117 deg 25 W). 488 Comment
  RSA741433  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-6-18 12248 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  RSA368245  Juncus mexicanus Lester H. Cushman 1932-5-8 s,n, Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  UCR109759  Juncus rugulosus T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Strawberry Creek at Hwy 74 899 Comment
  RSA543621  Juncus tiehmii Steve Boyd 1991-5-7 6156 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA368388  Juncus xiphioides L. C. Wheeler 1933-12-2 2320 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  UCR18437  Juncus xiphioides J. Olmstead 1966-6-7 s.n. Riverside Santa Rosa Mtns., Deep Canyon between road end & first falls, above gauging station 610 Comment
  POM6497  Juniperus californica I. M. Johnston 1918-5-30 s.n. Riverside Between Elsinore and Perris. 548 Comment
  RSA717678  Juniperus californica A. C. Sanders 2004-5-5 27773 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
  CAS-BOT-BC234591  Justicia californica Ira L. Wiggins 1941-3-27 9689 Riverside 9 miles west of Desert Center Comment
  CAS-BOT-BC234604  Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, Wagle [Eagle] Mts. 457 Comment
  HSC99794  Justicia californica J. J. Wagoner 1965-4-13 33 Riverside E slope of San Jacinto along Palms to Pines Hwy., 2 mi. W of Palm Desert. 76 Comment
  UC972195  Justicia californica Alice Yates and Jas. E. Wilcox 1952-4-5 29 Riverside between Box Canyon and Smoke Tree Nat'l Monument 152 Comment
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Aug 21 2007
  UCR211494  Kallstroemia californica Jim Andre, T. La Doux 2008-9-13 10262 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  RSA778398  Kallstroemia californica Amber Swanson 2011-10-9 651 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  RSA778521  Kallstroemia californica Amber Swanson, Linda Jean Foster 2011-10-8 636 Riverside Large wash off Blythe Rice Rd 270 Comment
  RSA649981  Keckiella cordifolia Dick Slanker 1949-3-17 s.n. Riverside Palm Springs Desert (near town) 76 Comment
  CAS-BOT-BC246206  Keckiella rothrockii F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  UC103114  Keckiella rothrockii var. jacintensis S. B. and W. F. Parish Aug 1880 473 Riverside San Jacinto Mts. Comment
  UCR178333  Keckiella ternata Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 641 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  RSA0019434  Keckiella ternata subsp. ternata Mary F. Spencer 1923-7-29 2261 Riverside Banning road. 1768 Comment
  JOTR34065  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2963 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  SEINET189506  Krameria erecta Annie M. Alexander, L Kellogg 1941-5-15 2175 Riverside North base of Eagle Mountains 884 Comment
  SEINET3004984  Krameria erecta G. Rink, M. Baker 2011-4-1 10411 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  UCSB3519  Krameria erecta Keator, Glenn 1959-5-17 Riverside Pinon flats near Colorado desert on Palms to Pines highway Comment
  RSA408612  Krameria grayi N. C. Cooper 1949-4-8 3276 Riverside Shaver s Summit east of Indio. 610 Comment
  SEINET10753677  Lamarckia aurea Daphne K. Christopher, Hannah Stevens; Z. Princip 2003-4-9 Christopher 125 Riverside Near Hermano road, off Hwy. 15, Indian Truck Trail exit. Grassland and sage scrub along roadside. Miex Poaceae 550 Comment
  UCR49265  Lamarckia aurea Steve Boyd 1986-4-2 1636 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR87643  Lamarckia aurea A. C. Sanders 1994-5-29 14554 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  POM292860  Langloisia setosissima subsp. setosissima Lyman Benson 1949-3-28 13579 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  UC724320  Langloisia setosissima subsp. setosissima Aven and Ruth Nelson 1939-3-29 3323 Riverside ner the Palm grove Hidden Springs Comment
  CAS-BOT-BC166024  Larrea tridentata Marian L. Campbell 1921-3-19 61 Riverside Palm Springs Comment
  LA93940  Larrea tridentata A. L. Grant; 1932-5-7 sn Riverside Santa Rosa Mountains, Martinez Canyon Comment
  RSA761098  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 105 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  SEINET10779066  Larrea tridentata J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12827 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then ca 1.3 km on Whitewater Canyon Road. Comment
  UC1922404  Larrea tridentata Naomi Fraga, Lisa Rojas 2005-2-10 1373 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA487197  Lastarriaea coriacea James L. Reveal 1988-5-23 6865 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  RSA753813B  Lastarriaea coriacea D. Volgarino 1995-6-12 s.n. Riverside Dripping Springs. Comment
  CAS-BOT-BC338918  Lasthenia californica Richard W. Holm 1955-4-24 55 1 A Riverside Valley 2 miles south of Hurkey Creek Camp Ground, Route 74, SE of Hemet Comment
  POM13238  Lasthenia coronaria P. A. Munz, I. M. Johnston 1922-5-19 5349 Riverside 5 miles NE of Murietta. 457 Comment
  UCR102832  Lasthenia coronaria A. C. Sanders 1997-4-3 20148 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR250130  Lasthenia coronaria A. C. Sanders 2014-4-9 40996 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  POM6006  Lasthenia glabrata subsp. coulteri P. A. Munz 1918-4-27 2159 Riverside Murrieta Comment
  UC217922  Lasthenia glabrata subsp. coulteri P. A. Munz 1922-4-15 4990 Riverside near Moreno; San Jacinto Lake Comment
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Mar 20 2011
  UCR252807  Lasthenia glabrata subsp. coulteri Ana Hernandez, Rose Cook 2013-4-12 043 Riverside Perris Aguanga Basin, 290 meters south of Highway 79, 760 meters west of Warren Road, Upper Salt Creek, Hemet 457 Comment
  RSA774510  Lasthenia gracilis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4462 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD255728  Lathyrus vestitus Mitch Provance 2012-5-24 512 14 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  RSA180432  Lathyrus vestitus subsp. alefeldii E. W. Lathrop 1965-5-7 5710 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  UCR134331  Laurentia fluviatilis A. C. Sanders 2004-2-14 27388 Riverside Riverside, 11th St. between Almond and Chestnut 259 Comment
  JEPS40025  Layia glandulosa W. L. Jepson 1901-5-19 1291 Riverside Strawberry valley; San Jacinto River 640 Comment
  RSA33563  Layia glandulosa N. C. Cooper 1944-3-25 1004 Riverside Cabazon. 457 Comment
  UCR84885  Layia glandulosa A. C. Sanders, K. C. Rose, , D. Woodard 1995-3-22 16233 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
  UCR241006  Layia platyglossa Tracy Tennant 1998-4-7 236 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  POM157893  Layia platyglossa subsp. campestris P. A. Munz 1927-5-21 10891 Riverside Coahuila Valley 1372 Comment
  POM307779  Layia platyglossa subsp. campestris Henry J. Ramsey, Henry J. Ramsey 1938-3-26 25552 Riverside Corona-Elsinore Road. Comment
  RSA736734  Lemna Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10690 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR143141  Lepidium dictyotum var. acutidens D. E. Bramlet 1997-3-13 2493 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Nichols Road Wetlands, c. 275-335m SE of Nichols Road, 91m west of Collier Ave. and 196-305 m west of the I-5, east of the dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  JOTR31002  Lepidium fremontii var. fremontii La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1139 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  CAS-BOT-BC89583  Lepidium lasiocarpum D. A. Johansen; J. A. Ewan 1932-4-10 7056 Riverside Along diversion canal at mouth of Tahquitz Canyon. 213 Comment
  POM48142  Lepidium lasiocarpum E. E. Schellenger 1920-05 s.n. Riverside E of Mecca, Colorado Desert. Comment
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Jun 18 2011
  RSA703749  Lepidium lasiocarpum LeRoy Gross 2005-3-3 1570 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR281275  Lepidium lasiocarpum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 15 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UCR251914  Lepidium lasiocarpum subsp. lasiocarpum Jim Andre 2013-3-27 24836 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  SBBG133576  Lepidium latifolium S. D. White, L. Stafford 2007-6-27 11750 Riverside Santa Ana River floodplain just below Prado Dam; Chino Hills State Park 134 Comment
  UCR22134  Lepidium nitidum Steve Boyd 1980-5-22 298 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  CAS-BOT-BC60109  Lepidium virginicum var. menziesii A. C. Sanders 1998-1-15 21632 Riverside Lake Skinner area. Black Mountain, along road up north side. 884 Comment
  RSA407717  Lepidium virginicum var. pubescens Steve Boyd 1986-4-22 1760 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  CHSC108875  Lepidium virginicum var. robinsonii Justin M. Wood 2010-3-4 1420 Riverside Prado Basin: City of Corona, just NW of sewage treatment dike (intersection of railroad st. and Yorba st.) 160 Comment
  UCR113196  Lepidium virginicum var. robinsonii A. C. Sanders 1998-3-11 21671 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR266365  Lepidium virginicum var. robinsonii D. E. Bramlet 2005-5-4 3844 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet, railroad tracks west of California Ave. 456 Comment
  JEPS5749  Lepidospartum squamatum Rimo Bacigalupi and L. R. Heckard 1953-5-5 4069 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  POM253472  Lepidospartum squamatum Thos Craig, Frances Craig 1939-11 s.n. Riverside Near Aguanga. Comment
  RSA3329  Lepidospartum squamatum C. B. Wolf 1931-10-14 2452 Riverside Whitewater Wash, 1/2 mile above the bridge on the Banning to Indio Road 366 Comment
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Sep 23 2011
  RSA346266  Lepidospartum squamatum R. F. Thorne 1980-4-16 54041 Riverside San Bernardino Mts: White Water River, S of bridge, just W of Whitewater 396 Comment
  POM319106  Leptochloa fusca subsp. uninervia Patricia Wilder 1970-10-15 4814 Riverside At base of Prado Dam near locks in Prado Flood Control Basin. East of Chino Hills, Santa Ana River. 122 Comment
  UC449744  Leptodactylon californicum F. M. Reed 1903-3-26 681 Riverside Wilder's Canyon Comment
  UCR241237  Leptodactylon californicum Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 06 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  UCR89845  Leptodactylon californicum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3305 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UC737252  Leptodactylon californicum subsp. glandulosum Frank W. Gould 1943-4-18 2142 Riverside on Idlewild cutoff near and above Banning Comment
  RSA468555  Leptosiphon androsaceus Anstruther Davidson 1920-5-11 s.n. Riverside Temecula. Comment
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Sep 9 2011
  POM99052  Leptosiphon floribundus E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  RSA586117  Leptosiphon floribundus subsp. glaber D. L. Banks, S. D. Boyd 1995-4-5 0157 Riverside Cleveland National Forest, Agua Tibia Wildeness Area. N slope of Agua Tibia Mtn., E of the Dripping Sprngs Alcove, E of the Dripping Springs Trial, in the N flowing drainage that empties into Arroyo Seco 549 Comment
  POM157941  Leptosiphon lemmonii P. A. Munz 1927-5-21 10829 Riverside Coahuila [Cahuilla] Valley. 1220 Comment
  POM364626  Leptosiphon lemmonii Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  POM46975  Leptosiphon lemmonii Mary F. Spencer 1919-6-21 1208 Riverside In open woods. 1616 Comment
  POM75632  Leptosiphon liniflorus Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR103173  Lessingia glandulifera var. glandulifera Scott D. White, J. Greene, S. Douthit 1996-10-13 4624 Riverside San Jacinto Valley, Eastern foothills of valley (= 'Santa Rosa Hills'), south of Hemet 610 Comment
  UCR106355  Lessingia glandulifera var. glandulifera John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA192176  Leymus triticoides H. A. Zuill 1966-7-26 299 Riverside About 7.5 miles SW of Murrieta. Comment
  UCR129782  Lilium parryi P. A. Munz 1922-7-7 6066 Riverside San Jacinto Mtns., meadow [Skunk Cabbage M.?] north of Tahquitz Valley 2439 Comment
  POM364702  Linanthus bigelovii Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA773661  Linanthus dianthiflorus Duncan S. Bell, J. D. England 2010-5-20 1024 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  UCD118501  Linanthus dianthiflorus R. N. Raynor 1933-5-2 s.n. Riverside Box Springs Hills. Comment
  RSA525462  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, D. E. Bramlet 1990-4-29 4508 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA673729  Linanthus lemmonii Scott D. White, Bill La Haye 2000-5-27 7963 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA741068  Linanthus lemmonii Scott D. White, Justin M. Wood 2008-6-5 12076 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR116409  Linanthus lemmonii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24180 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  CLARK-A1528-3476  Linanthus liniflorus John C. Roos 1937-5-27 Riverside Reche Canyon Comment
  UCR201447  Linanthus liniflorus Scott D. White, Justin M. Wood 2008-6-5 12071 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  SDSU3189  Linanthus liniflorus subsp. pharnaceoides F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mtns. Comment
  UC23766  Linanthus parviflorus Geo. R. Hall 1901-3-17 1674 Riverside near Riverside Comment
  UCR91407  Linaria canadensis Scott D. White 1995-4-5 2743 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA740081  Linum lewisii Scott D. White, Justin M. Wood 2008-6-16 12146 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UCR91978  Linum usitatissimum S. J. Myers 1996-1-16 s.n. Riverside Perris Basin, 2 mi NE of Perris, flood control channel between Perris Blvd, & Murrieta St., parallel to Nuevo Rd c. 1/4 mi N. 442 Comment
  RSA92724  Loeflingia squarrosa J. C. Roos 1952-5-14 5664 Riverside 2 mi. northwest of Perris. 503 Comment
Read comments
May 21 2011
  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
  UC23705  Loeseliastrum matthewsii H. M. Hall 1899-6-1 Riverside Smith Mt. Comment
  HSC66545  Loeseliastrum schottii Christopher Davidson 1979-4-4 7702 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  RSA639631  Loeseliastrum schottii R. F. Thorne 1973-3-30 42679 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  CAS-BOT-BC342108  Logfia arizonica S. B. Parish 1907-4-17 6084 Riverside Palm Springs, Western edge of the Colorado Desert 60 Comment
  SEINET3004973  Logfia arizonica G. Rink 2011-3-30 10399 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  RSA676081  Logfia depressa Scott D. White 2001-4-3 8246 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC665772  Logfia filaginoides Ira L. Wiggins 1941-3-27 9702 A Riverside slopes 4 mi n Whitewater Comment
  UCR60835  Logfia gallica R. F. Thorne 1973-5-23 43869 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UCD66453  Lolium perenne E. W. Lathrop 1966-5-26 6342 Riverside Santa Ana Mountains, Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1219 Comment
  IRVC28529  Lolium rigidum Walter Graves 2002-5-15 502- 22 Riverside grown at U.C.R. in Agricultural Operations Fields Riverside 305 Comment
  RSA586134  Lomatium lucidum D. L. Banks 1995-4-11 177 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 Dripping Springs Trail. 829 Comment
  UC21220  Lomatium lucidum Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UC21232  Lomatium mohavense H. M. Hall 1899-5-26 1184 Riverside San Jacinto Mts., Nigger Jim Hill Comment
  CAS-BOT-BC240673  Lonicera interrupta Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UC1125262  Lonicera interrupta R. St. John 1929-3-8 11 Riverside Potrero Canyon San Jacinto Quadrangle 762 Comment
  RSA741271  Lonicera subspicata Scott D. White, Justin M. Wood 2008-7-10 12448 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  SDSU2947  Lonicera subspicata Charles F. Phleger 1962-5-23 Riverside Land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  RSA703416  Lotus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1446 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  POM47633  Lotus argophyllus subsp. decorus F. W. Peirson 1919-4-13 s.n. Riverside Murray Canyon, Palm Springs region. Comment
  POM157923  Lotus argophyllus var. argophyllus P. A. Munz 1927-5-21 10848 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  RSA526167  Lotus argophyllus var. argophyllus Steve Boyd, T. S. Ross 1990-5-11 4670 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
  RSA771653  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4915 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
  RSA483573  Lotus crassifolius D. Charlton 1988-5-21 1970 Riverside Thomas Mountain Road, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74. 1829 Comment
  RSA613446  Lotus hamatus D. L. Banks, Victor W. Steinmann 1997-3-13 1446 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
  UCR1631  Lotus hamatus Leland R. Dykes 1962-5-8 97 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Road, c. 14 mi west of Palomar Road [=Washington Ave.] in Murrieta [probably 2-3 miles west of Tenaja Guard Station] Comment
  RSA192338  Lotus heermannii E. W. Lathrop 1966-3-20 6066 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and Tenaja Guard Station, Trabuco District. Comment
  SEINET238655 Image available Lotus heermannii A. C. Sanders, T. Schram; D. Wappler 1994-10-4 15773 Riverside San Jacinto Mountains: north slope of the mtns.; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Creek 915 Comment
  UCR154602  Lotus humistratus A. C. Sanders, T. B. Salvato 2005-4-28 29763 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR155072  Lotus humistratus A. C. Sanders, Kelly Volansky 2005-3-17 29213 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  POM2656  Lotus nevadensis var. nevadensis L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon Comment
  CLARK-A1528-483  Lotus oblongifolius Frank C. Vasek 1964-7-25 640725-4 Riverside San Jacinto Mountains Comment
  POM12087  Lotus oblongifolius Mary F. Spencer 1921-6-15 1736 Riverside Idyllwild. 1616 Comment
Read comments
Jun 17 2012
  UC864854  Lotus oblongifolius var. oblongifolius C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp and Fuller's Mill; Mt. San Jacinto Comment
  RSA406795  Lotus rigidus Christopher Davidson 1973-4-19 1977 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  SEINET3563111 Image available Lotus rigidus Melissa Luckow, Rhonda Riggins 1982-4-15 821 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW jctn Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  UC1129115  Lotus rigidus A. E. Wieslander 1938-5-5 740 Riverside 1 mi s Black Hill; Thermal Quad. 975 Comment
  UCR174263  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32672 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
  POM229025  Lotus scoparius var. brevialatus P. A. Munz 1937-5-31 15115 Riverside At Anza Table [Anza Bench] near head of Coyote Canyon. 1067 Comment
  UCR120932  Lotus scoparius var. brevialatus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24931 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA778230  Lotus strigosus Duncan S. Bell 2009-3-8 35 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC667259  Lotus strigosus Annie M. Alexander and Louise Kellogg 1941-5-15 2186 Riverside n base Eagle Mountains; Colorado Desert 914 Comment
  UC667365  Lotus strigosus Annie M. Alexander and Louise Kellogg 1941-5-15 2186 a Riverside n slope Eagle Mountains; Colorado Desert 914 Comment
  UCR113170  Lotus strigosus A. C. Sanders 1998-2-19 21652 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  UCR155938  Lotus strigosus John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR177995  Lotus strigosus 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 1189 Comment
  UCR92050  Lotus strigosus Scott D. White 1995-3-30 2665 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
  RSA125541  Lotus strigosus var. hirtellus R. Weatherby 1949-6-6 653 Riverside Mtn. spring, Santa Rosa Mtn. 1982 Comment
  RSA679815  Lotus strigosus var. tomentellus LeRoy Gross, Valerie Soza 2003-5-8 836 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  RSA719267  Lotus strigosus var. tomentellus Michael Honer, L. Hulse 2004-4-3 1900 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of ONeal Canyon. 610 Comment
  RSA406376  Lotus tomentellus M. B. Dunkle 1933-3-4 3031 Riverside Painted Canyon. 30 Comment
  UCR20758  Lotus tomentellus A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1294 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  HSC92616  Lotus unifoliolatus var. unifoliolatus F. C. Vasek 1964-7-19 6407193 Riverside At Pine Cove, NW of Idyllwild Comment
  CAS-BOT-BC428032  Lupinus L. Nye; G. Gust 2005-3-11 61 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  JEPS48835  Lupinus Marjorie D. Clary 1932-5-13 952 Riverside summit Little San Bernardino Mts. Keys View, Little San Bernardino Mts.; , Keys View 1524 Comment
  UCR1132  Lupinus albifrons Frank C. Vasek 1958-4-26 580426- 02 Riverside Peninsular Range, Hwy 71, 8.6 mi west of the junction with Hwy 79 [=vicinity of Dripping Springs/Vail Lake, Hwy 79, 8.6 mi west of the junction at Aguanga with Hwy 371] 518 Comment
  UCR1291B  Lupinus albifrons Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, 150 yd east of Teneja Rd. and c. 8 mi from the junction with Washington Ave., Murrieta 732 Comment
  RSA659789  Lupinus arizonicus J. C. Roos 1947-2-15 3268 Riverside Lost Palms Cyn. S face of Eagle Mtns., west of Hayfeilds. Comment
  SBBG3535  Lupinus arizonicus H. and M. Dearing 1939-12-31 4063 Riverside near NE end of Salton Sea Comment
  UCR75059  Lupinus arizonicus A. C. Sanders, E. J. Lawlor 1992-4-4 12124 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA613660  Lupinus bicolor D. L. Banks, Victor W. Steinmann 1997-3-13 1460 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA613859  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1997-3-5 1334 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  UCR174548  Lupinus bicolor Jennifer H. Jones 2006-6-6 400 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  SEINET10484859  Lupinus bicolor subsp. marginatus David B. Dunn 1947-3-16 Dunn 2921 Riverside 0.5 mile n of cabazon in banning pass Comment
  RSA278309  Lupinus bicolor subsp. microphyllus C. W. Tilforth, Walter Wisura 1979-11-4 1768 Riverside Murrieta- Deluz Rd., 2 air miles south of Murrieta. 335 Comment
  RSA771626  Lupinus concinnus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4996 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 732 Comment
  SDSU17527  Lupinus concinnus Jerry Jenkins 2001-4-3 2001 -042 Riverside Santa Margarita Ecological Reserve. West Side of Santa Margarita river. UTM transfered to GIS. Comment
  UC397195  Lupinus concinnus S. B. Parish 1919-3-28 19202 Riverside mouth of San Jacinto Canyon Comment
  UCR179204  Lupinus concinnus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 386 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR52002  Lupinus concinnus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2201 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  HSC85266  Lupinus densiflorus var. austrocollium Steve Boyd 1986-4-22 1763 Riverside W side of Indian Wash, S of I-15 Comment
  LA205088  Lupinus excubitus O. A. Plunkett; 1926-5-6 sn Riverside San Jacinto Mountains 1371 Comment
  UCR77720  Lupinus excubitus var. austromontanus Steve Boyd 1991-5-7 6159 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  SD137767  Lupinus hirsutissimus Darin L. Banks 1995-4-11 175 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the Dripping Springs Trail 950 Comment
  UCR43032  Lupinus hirsutissimus D. C. Hawks 1986-4-16 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Hill, c. 1.5 mi. east of Whitewater 529 Comment
  POM11285  Lupinus hyacinthinus Philip A. Munz 1922-7-6 5978 Riverside Tahquitz Valley, San Jacinto Mts. 2226 Comment
  SEINET10970268  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2742 Riverside San jacinto mts., 500 Ft below the peak. Comment
  POM11280  Lupinus latifolius subsp. parishii Philip A. Munz 1922-7-7 6057 Riverside North Fork of Tahquiz Creek 2195 Comment
  SFV13141  Lupinus longifolius M. J. Thor 1982-9-17 148 Riverside San Jacinto Mountains Idyllwild Park. Lily Creek, rocky part along roadway. 1616 Comment
  POM23584  Lupinus microcarpus var. densiflorus Marcus E. Jones 1903-4-11 s.n. Riverside Banning. 701 Comment
  UCR37489  Lupinus microcarpus var. densiflorus Steve Boyd 1980-5-3 s.n. Riverside Peninsular Range, Gavilan Hills, [Mead Valley] along Cajalco Road, 1/4 mile east of Alexander Rd. 498 Comment
  RSA590650  Lupinus polycarpus E. W. Lathrop 1965-5-30 5597 Riverside 14 miles W of Murrieta, Riverside County Comment
  JOTR30981  Lupinus sparsiflorus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1958 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  UCR137689  Lupinus sparsiflorus D. L. Banks, V. W. Steinmann 1997-3-13 1486 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
  UCR173148  Lupinus truncatus Abby Sirulnik 2000-4-25 20 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR176898  Lupinus truncatus Tracy Tennant 1998-5-13 1017 Riverside Peninsular Range, Vail Lake outlet, Temecula Creek Canyon 488 Comment
  JOTR30114  Lycium andersonii La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1681 Riverside Joshua Tree National Park. Stop #1 = Upper Wilson Canyon 993 Comment
  RSA80331  Lycium andersonii F. W. Peirson 1922-4-29 1084 Riverside Aguanga, western Riverside Co. 610 Comment
  UCSB11532  Lycium andersonii Haines, Bruce 1962-4-16 Riverside 3/4 mile east of Hidden Valley Campground on Key's Ranch Road, Joshua Tree National Monument 1295 Comment
  SD225120  Lycium brevipes A. C. Sanders 1997-3-1 19723 Riverside Box Springs Mountains: Coyote Hill and ridge south and southeast of the UCR Botanic Garden. 422 Comment
  JOTR30955  Lycium cooperi La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1930 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  CAS-BOT-BC231643  Lycium fremontii David B. Dunn 1946-2-22 1977 Riverside Hidden Springs Canyon in the vicinity of the Palms Comment
  JOTR32973  Lycium fremontii La Doux, Tasha, A. Miller 2008-10-8 2855 Riverside Joshua Tree National Park. Coxcomb Mountains, north of Colorado River Aqueduct tunnel 325 Comment
  JOTR35222  Lycium fremontii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3645 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  UCR37667  Lycium torreyi J. M. Stewart 1984-11-11 8449 Riverside Sonoran (Colorado) Desert, Biskra Palms Oasis, Indio Hills, Coachella Valley 91 Comment
  UCR235048  Lythrum californicum A. C. Sanders, John F. Green 2012-5-27 40211 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA645537  Machaeranthera asteroides var. asteroides Scott D. White 1995-8-23 3589 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  UCR20174  Machaeranthera canescens subsp. ziegleri Jeanine Derby, T. P. Krantz 1977-1 s.n. Riverside Santa Rosa Mtns, Santa Rosa Mountain, along [Forest Service Road] 7S02 to summit Comment
  UC489132  Madia elegans C. V. Meyer 1928-7-26 529 Riverside w side San Jacinto Mt. 2286 Comment
  RSA561886  Madia exigua Steve Boyd, Timothy S. Ross 1992-6-10 7642 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  POM49133  Madia gracilis Mary F. Spencer 1919-6-21 1211 Riverside San Jacinto Mountains 1646 Comment
  CAS-BOT-BC514236  Maianthemum stellatum Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley, San Gabriel mts. Comment
  RSA500205  Malacothrix clevelandii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-5-7 3539 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM97133  Malacothrix clevelandii P. A. Munz 1925-5-20 9830 Riverside 2 miles W of Dripping Spring. 427 Comment
  CAS-BOT-BC347703  Malacothrix glabrata Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CDA8302  Malacothrix glabrata T. C. Fuller 1962-4-3 7987 Riverside Highway 99, 0.4 mile north of turn-off to Twenty Nine Palms. 0 Comment
  POM362311  Malacothrix glabrata N. C. Cooper 1944-4-21 1154 Riverside Banning 701 Comment
  RSA278966  Malacothrix glabrata B. A. Prigge 1978-3-23 2413 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA726582  Malacothrix glabrata Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1425 Riverside Along Palen Road near Hwy 177. 170 Comment
  UC1922420  Malacothrix glabrata Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1425 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UC667301  Malacothrix stebbinsii Annie M. Alexander and Louise Kellogg 1941-4-27 2095 Riverside Joshua Tree Monument Joshua Tree Monument (Riverside and San Bernardino Counties) 1310 Comment
  RSA557349  Malvella leprosa Julie Greene 1993-5-12 1298 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  UCR19103  Malvella leprosa John C. Roos 1965-6-30 s.n. Riverside Perris-Aguanga Basin region, Perris Comment
  RSA7218  Mammillaria tetrancistra B. D. Stark 1932-6-15 3738 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  UC403204  Marah macrocarpa H. M. Hall Aug. 1911 Riverside San Jacinto Mt. Comment
  UCR133354  Marah macrocarpa Tracy Tennant, J. S. Ross 1998-5-7 MOR- 119 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  RSA675053  Marina parryi Scott D. White 2001-4-27 8418 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
  UCSB3068  Marina parryi Haller, John 1958-3-22 Riverside Immediately S of Hwy. 60-70, 5.8 miles E of Desert Center Comment
  SEINET7843690  Marina parryi E. Neese 1979-4-11 7099 Riverside Between Blythe & Rice, 11 mi. nw of Blythe 305 Comment
  SBBG99460  Marrubium vulgare W. L. Halvorson 1977-1-15 77 -24 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SD136816  Marrubium vulgare Steve Boyd, Tim Ross 1992-5-6 7265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Verdugo Potrero, near the Verdugo Trailhead. 730 Comment
  VVC290  Marrubium vulgare P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  SD187410  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  CSUSB1091  Medicago sativa J. Jacobi 1970-5-18 0518 1 Riverside Found in empty lot between Ottowa and Chicago Streets on Seventh Street. 304 Comment
  RSA526493  Melica frutescens Steve Boyd, Timothy S. Ross 1990-5-11 4689 A 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
  UC736844  Melica frutescens Frank W. Gould 1944-4-5 2233 Riverside 17 mi e Temecula (on Highway 79) Comment
  CLARK-A1528-5177  Melica imperfecta John C. Roos 1950-4-22 4752 Riverside Box Springs Mountains 792 Comment
  UC1930074  Melica imperfecta Scott D. White, Michael Honer 2003-4-4 8927 Riverside TEMESCAL CANYON: Dissected bajada bench, below and east of Horsethief Canyon; immediately south of I-15 Freeway. (Alberhill) Comment
  UCR117082  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24204 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR168613  Melica imperfecta T. B. Salvato, John F. Green 2004-5-27 579 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
  RSA659352  Melilotus albus M. Duke, Christy Hightower, C. McElroy 1982-5-15 3 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  POM348170  Melilotus indicus N. C. Cooper 1944-4-22 1136 Riverside Banning. 732 Comment
  LA210637  Mentzelia albicaulis Elizabeth Levine; 1949-5-22 s.n. Riverside At the Hurkey Creek Camp Grounds. Comment
  UCR35320  Mentzelia congesta L. B. Ziegler 1967-7-5 178 Riverside San Jacinto Mtns., south slope of Thomas Mountain 1616 Comment
  JOTR31930  Mentzelia involucrata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2170 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  RSA708489  Mentzelia involucrata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10892 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  SEINET8712370  Mentzelia involucrata I. W. Clokey 1935-4-17 6762 Riverside Cottonwood Springs. Comment
  POM13053  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4836 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA342562  Mentzelia involucrata var. megalantha Robert F. Thorne, C. W. Tilforth 1980-5-28 54193 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  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
  UCR123754  Mentzelia involucrata var. megalantha Steven R. Hill 2001-4-29 33541 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  HSC29905  Mentzelia longiloba R. W. Spjut 1972-3-20 2285 Riverside Riverside/San Bernardino Co., Colorado Desert, 4-10 mi. W of Rice (N end of Maria Sand Dunes), along Hwy. From Rice to 29 Palms Hwy. or to Desert Center. 305 Comment
  UC724205  Mentzelia longiloba Aven and Ruth Nelson 1939-3-30 3336 Riverside near Desert Center (hiway 60) Comment
  RSA741030  Mentzelia montana Justin M. Wood, Brandy N. Ulrich 2008-7-14 19 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  OBI12495  Mentzelia veatchiana Robert F. Hoover 1969-4-11 11212 Riverside Mouth of Morongo Valley cyn Comment
  UC19574  Mentzelia veatchiana H. M. Hall June 1901 2145 Riverside Eastern base, along the borders of the Colorado Desert San Jacinto Mountains Comment
  UCR199920  Mesembryanthemum nodiflorum Scott D. White, Justin Wood 2008-4-15 11879 Riverside Perris Valley, Interstate 215, [Menifee Valley/Sun City - Perris region] between Nuevo Rd and Scott Rd. 518 Comment
  UCR116505B  Microseris douglasii subsp. platycarpha A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 746 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR217636  Microseris douglasii subsp. platycarpha John Dvorak, Karyn L. Drennen 2010-4-15 01 Riverside Perris-Aguanga Basin, 1.8km southeast of La Sierra Ave/ Cajalco Rd intersection, 400m south of Cajalco Rd. and 142m north of an old dirt road 438 Comment
  RSA501008B  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3127 B 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
  RSA675697  Microseris heterocarpa Scott D. White 2001-5-1 8441 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UCR165190  Microseris lindleyi S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCR232786  Microseris lindleyi John F. Green 2008-4-16 0408- 39 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  UCR84594  Mimulus Scott D. White, S. Ogg 1994-4-21 1961 Riverside San Bernardino Mtns., Millard Canyon, near jct of E and W forks of USFS Road 2S05, c. 2.5 mi south of Bear Wallow Spring. 976 Comment
  RSA0029100  Mimulus John F. Emmel 1989-3-15 1118 Riverside Bernasconi Hills east of Lake Perris. Slope 0.4 air mi NE of peak 2381. 488 Comment
  POM8480  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2289 Riverside Butte west of Lakeview. 610 Comment
  POM8576B  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  JEPS86530  Mimulus aurantiacus var. puniceus Roy E. Buck 1988-4-1 868 Riverside 7 air km w Lake Elsinore (town) (e-facing slope above CA Hwy. 74, near top of grade w of Lake Elsinore, ca 2.0 air km nw of confluence of Harlan Canyon and Johnson Canyon drainages); Elsinore Mountains 780 Comment
  RSA114665  Mimulus aurantiacus var. puniceus Verne Grant 1955-6-1 9608 Riverside Ortega Summit of Santa Ana Mts. Chaparral, recently burned. 811 Comment
  UC519885  Mimulus aurantiacus var. puniceus K. Kinsel 1930-4-17 Riverside near Perris Comment
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Nov 8 2011
  UCR91608  Mimulus aurantiacus var. puniceus D. L. Banks, Steve Boyd 1995-3-30 0132 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  RSA784741  Mimulus bigelovii Duncan S. Bell 2012-2-12 3086 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA420968  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3275 Riverside Shaver's Summit east of Indio. 610 Comment
  SFV15669  Mimulus bigelovii var. bigelovii D. M. Thompson 1988-3-4 824 Riverside Vicinity of Shaver's Well. 7.3 miles from I-10 interchange along Bax Canyon Road to Mecca. North side of road in broad washes. About 100 yards above the road. 280 Comment
  RSA5557  Mimulus bigelovii var. bigelovii B. D. Stark 1932-6-17 3746 Riverside Canyon above Cottonwood Springs, Eagle Mts., Colorado Desert 305 Comment
  RSA527878  Mimulus brevipes Scott D. White 1991-5-10 91 -156 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UCR177504  Mimulus brevipes S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  UCR183339  Mimulus brevipes Mitch Provance 2005-5-27 4603 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR167674  Mimulus cardinalis T. B. Salvato, Melissa Clemons 2005-6-23 1291 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  CLARK-A1528-1234  Mimulus floribundus John C. Roos 1937-7-11 396 Riverside Box Springs Mountains 609 Comment
  UCR280945  Mimulus fremontii Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 71 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  JEPS26106  Mimulus fremontii var. fremontii Peter H. Raven 1958-5-17 12946 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  HSC79248  Mimulus guttatus G. K. Helmkamp 1984-5-2 - 31 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  RSA442777  Mimulus guttatus N. C. Cooper 1944-6-17 1415 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  UCR123837  Mimulus guttatus Steven R. Hill 2001-4-29 33528 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
  UC597599  Mimulus palmeri Philip A. Munz 1937-5-30 15092 Riverside n Vandeventer Flat; Santa Rosa Mts. 1676 Comment
  UCD122831  Mimulus palmeri Victor Duran 1932-5-18 3220 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  JOTR31052  Mimulus pilosus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2035 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
  UC1374895  Mimulus pilosus Noel H. Holmgren and Liew Fah Seong 1969-6-17 3584 Riverside County road R1 at Black Mountain Turnoff (8.5 mi n of Idyllwild); San Jacinto Mountains Comment
  UC729663  Mimulus pilosus Carl B. Wolf 1932-5-25 3675 Riverside 1 mi below Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 396 Comment
  UC489213  Mimulus tilingii C. V. Meyer 1928-7-31 598 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  JOTR32838  Mirabilis albida La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1548 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UCR35200  Mirabilis albida L. B. Ziegler 1967-8-25 217 Riverside San Jacinto Mtns, Hemet [Garner] Valley; Thomas Mt. Subdivision 1402 Comment
  UCR89536  Mirabilis bigelovii 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 below the Hidden Gold Mine 1116 Comment
  SEINET6627584  Mirabilis laevis Scott D. White 2001-4-3 8227 Riverside Sonoran (Colorado) Desert; Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 396 Comment
  UCR241114  Mirabilis laevis A. C. Sanders, John F. Green 2012-3-21 39982 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
  RSA464823  Mirabilis laevis var. retrorsa N. C. Cooper 1949-4-24 3643 Riverside Devil s Cactus Garden, Colorado Desert. 244 Comment
  CAS-BOT-BC384128  Mirabilis laevis var. villosa S. B. Parish; W. F. Parish 1881-4-1 659 Riverside Cabezon [Cabazon] Comment
  UC219570  Mirabilis multiflora var. pubescens P. A. Munz 1922-6-24 5812 Riverside Pipe Creek; San Jacinto Mts, Hemet Valley 1463 Comment
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Mar 25 2011
  RSA0042111  Mirabilis tenuiloba Duncan S. Bell, LeRoy Gross 2014-3-6 6191 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  CHSC22351  Mohavea confertiflora Robert A. Schlising 1973-3-31 3074 Riverside Salt Creek Wash, between Orocopia and Chocolate Mountains (ca 5 mi NE of 'crossing 24' on Coachella Canal). Comment
  POM261346  Mohavea confertiflora Philip A. Munz 1940-3-23 15673 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  RSA136564  Mohavea confertiflora Peter H. Raven 1959-1-23 11432 Riverside Desert alluvial fan of Fargo Canyon. Comment
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Jun 9 2012
  UCSB6103  Mohavea confertiflora Bobkowski, Vincent 1960-4-2 Riverside Cottonwood Spring entrance to Joshua Tree National Monument; off of U.S. 60-70; 1/2 mile north of intersection Comment
  RSA83416  Monardella australis subsp. australis E. Peterson, J. Ewan 1930-9-1 2163 Riverside Summit of Mt. San Jacinto 3294 Comment
  CAS-BOT-BC220030  Monardella breweri subsp. lanceolata H. M. Hall 1901-7-1 2527 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  LA62727  Monardella linoides subsp. linoides Philip A. Munz; 1938-8-14 15380 Riverside Santa Rosa Mountains, E of Toro Peak 2285 Comment
  CLARK-A1528-3179  Monardella macrantha subsp. hallii John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  CAS-BOT-BC215495  Monardella nana Elizabeth McClintock 1941-7-21 127 Riverside San Jacinto Mts., trail to Hidden Lake, along rocky slopes of switchbacks Comment
  UC1499821  Monardella nana Elizabeth McClintock 1941-7-21 125 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance beyond the creek which is above Willow Creek. Comment
  POM48878  Monardella nana subsp. tenuiflora P. A. Munz 1924-7-27 8739 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA750298  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 107 Riverside San Jacinto Mountains. Trail to Deer Springs, a short distance below first spring which crosses trail. Comment
  UC25480  Monardella nana subsp. tenuiflora H. M. Hall July, 1901 2259 Riverside Fuller's Mills Mountains San Jacinto Mountains 1981 Comment
  SEINET10862272  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 48 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  UC1329940  Monardella robisonii James E. Cole 1941-6-7 857 Riverside Stubby Spring area Joshua Tree National Monument 1402 Comment
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Dec 6 2014
  UCR215597  Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Mojave Desert, Joshua Tree National Park, northeast end of Splitrock Picnic Area 1327 Comment
  CAS-BOT-BC349791  Monoptilon bellioides F. W. Peirson 1926-1-31 6491 Riverside Dos Palmas, northern Colorado Desert Comment
  JEPS31426  Monoptilon bellioides W. L. Jepson 1928-4-25 12608 Riverside below Cottonwood Springs; Eagle Mts. 731 Comment
  POM41981  Monoptilon bellioides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR141143  Monoptilon bellioides June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  UCR214420  Monoptilon bellioides A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37491 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCSB37409  Monoptilon bellioides Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns., Corn Springs Wash 457 Comment
  UC1922023  Monoptilon bellioides Robert F. Thorne, M. Z. Thorne 1973-3-30 42677 Riverside MORONGO VALLEY CANYON: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. Comment
  UCR24296  Montia chamissoi John C. Roos 1937-8-18 2536 Riverside San Jacinto Mtns, Round Valley 2744 Comment
  RSA0010790  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  JOTR30137  Muhlenbergia microsperma La Doux, Tasha 2008-2-4 1704 Riverside Joshua Tree National Park. Stop #2: Hexie Mtns./ Porcupine Wash; deep canyon. 778 Comment
  UCR141677  Muhlenbergia microsperma June Latting 1976-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 8 miles west of Wiley's Well Road on I-10, near Ford Dry Lake 120 Comment
  RSA337843  Muhlenbergia porteri R. F. Thorne 1979-8-22 53575 Riverside Joshua Tree National Monument: Hidden Valley; Nolina Rocks near Sheep Pass and sand quarry. 1341 Comment
  SD247290  Muhlenbergia porteri A. C. Sanders 2015-9-11 41869 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline road (Red Canyon 7.5'Q) 646 Comment
  SDSU13001  Muhlenbergia rigens Michael G. Simpson 1999-10-27 2031 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SEINET3887720  Muilla clevelandii N. Duane Atwood, L. Stritch 1993-4-2 17901 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands.; 0 671 Comment
  UCR154459  Muilla maritima Jason L. Hlebakos 2005-5-30 809 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
  RSA532577  Myosurus minimus subsp. apus D. E. Bramlet, P. Gordon-Reedy 1991-5-8 2121 Riverside 30m east of California Ave. and 75m north of the AT and SF railroad tracks. The population is NE of the intersection of California Ave. and Marvin Hull Road. Some 10-300m west of MWD Canal. 498 Comment
  UCR76165  Myosurus minimus subsp. apus A. C. Sanders 1993-4-1 13664 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  RSA421098  Nama demissa M. B. Dunkle 1937-3-25 4947 Riverside Colorado Desert. Comment
  RSA421114  Nama demissa Ora M. Clark 1929-2-23 1559 Riverside N. Whitewater. Comment
  RSA717451  Nama demissa Scott D. White, Andrea Warniment 2006-3-22 11263 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UCR60559  Nama demissa R. F. Thorne, C. W. Tilforth 1980-5-28 54249 Riverside San Bernardino Mtns., Branch canyon west of Whitewater Canyon, c. 3.2 mi. north of Whitewater Post Office and Hwy 10. 612 Comment
  RSA796336  Nama hispida Duncan S. Bell 2009-4-18 198 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SEINET238480  Nama stenocarpa A. C. Sanders, Mitch Provance 1999-9-26 23120 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden 433 Comment
  RSA700860  Nassella cernua Michael Wall 1996-5-8 148 Riverside Van Buren Blvd west of March Air Force Base, 1.5 mi west of Fwy 215, north side of road south side of Salix-filled seasonal drainage. Comment
  RSA593989  Nasturtium officinale D. L. Banks, Elizabeth Hedge Banks 1996-5-2 950 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  UCR154763  Navarretia atractyloides T. B. Salvato, Kent Beaman 2005-5-16 788 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
  UCR65297  Navarretia atractyloides Steve Boyd, T. S. Ross 1989-6-24 3753 Riverside Vail Lake area, Along road in shallow canyon on SE flank of 'Little' Oak Mtn, west of Kolb Creek drainage, north of Hwy 79 Comment
  UCR189559  Navarretia fossalis Diane Menuz 2006-5-9 077 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth 432 Comment
  UCR62383  Navarretia fossalis Don Mitchell 1990-6-1 s.n. Riverside About 1.5 mi. west of Lakeview, in small bulldozer-made ponds, north of Ramona Expressway, and about 200 yd. west of the San Jacinto River. 427 Comment
  CLARK-A1045-156  Navarretia prostrata George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  SD73475  Navarretia prostrata Earl W. Lathrop 1969-5-19 7053 Riverside Sanat Ana Mountains: 8 miles west of Murrieta, Mesa de Colorado of the Santa Rosa Plateau Comment
  SEINET3812583 Image available Nemacladus glanduliferus George K. Helmkamp 1983-4-5 483 -44 Riverside Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 488 Comment
  SEINET1869528  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-1 1753 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of Interstate 15. Comment
  RSA487534  Nemacladus orientalis B. Pitzer 1988-3-10 647 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  JEPS5404  Nemacladus pinnatifidus W. L. Jepson 1928-4-25 12601 B Riverside Cottonwood Springs; Colorado Desert, Eagle Mountains Comment
  RSA439259  Nemacladus ramosissimus N. C. Cooper 1944-5-21 1239 Riverside San Jacinto Mountains, West side 915 Comment
  UC1595630  Nemacladus ramosissimus Steve Boyd and Dave Bramlet 1991-5-13 6251 Riverside ese of Winchester (n side of Domenigoni-Diamond Valleys, ridge top s of s-end of Warren Rd, vicinity of ultramafic outcrop); Domenigoni Hills 548 Comment
  POM3455  Nemophila menziesii H. M. Hall 1897-4-7 s.n. Riverside Winchester, Riverside Comment
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Mar 20 2011
  UCSB16228  Nemophila menziesii Flath, Carol 1963-5-4 Riverside In San Jacinto Mountains; 4 miles south og Banning on Banning to Idyllwild Road 1158 Comment
  RSA0059738  Nemophila menziesii Norman C. Cooper 1945-5-5 2262 Riverside San Gorgonio Mountains above Banning. 914 Comment
  RSA0060576  Nemophila menziesii subsp. menziesii Bob Rogers 1984-4-28 26 Riverside Collected on North-facing slope adjacent ot and on the South side of Highway 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1219 Comment
  RSA717582  Nemophila menziesii var. menziesii A. C. Sanders 2004-4-9 27462 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  RSA210980  Nicotiana bigelovii var. wallacei C. W. Tilforth 1969-7-27 230 Riverside West of Lake Elsinore, at summit along Hiway 74. Comment
  UCR163341  Nicotiana glauca T. B. Salvato, Kelly Volansky 2003-3-27 129 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA653435  Nicotiana quadrivalvis Scott D. White 1999-5-24 7398 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
  SBBG101775  Nicotiana quadrivalvis S. Boyd, T. Ross 1991-6-14 6393 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence w/ Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UC64483  Nicotiana quadrivalvis H. M. Hall Jun 1897 Riverside Riverside Comment
  PASA2135  Nicotiana trigonophylla 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  UC479192  Nolina parryi Marcus E. Jones 1931-5-17 Riverside Keyes Ranch Comment
  CLARK-A1528-3571  Notholaena newberryi John C. Roos, Lucille Roos 1951-10-27 5348 Riverside Riverside 304 Comment
  UC1329914  Oenothera californica subsp. californica James E. Cole 1941-5-29 820 Riverside Stubby Spring Rd Joshua Tree National Monument 1402 Comment
  CHSC8448  Oenothera deltoides Edward Laidlaw Smith 1958-3-21 358 Riverside 3 mi. n. Desert Center, Chukwalla Mt. Range. Colorado River drainage area. 274 Comment
  CHSC1150  Oenothera deltoides subsp. deltoides E. Thomas 1940-3-30 Riverside Cathedral City. 137 Comment
  RSA615333  Oenothera deltoides subsp. deltoides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2689 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  SDSU13603  Oenothera elata subsp. hookeri W. Miller, C. Mosse 1972-7-13 Riverside Comment
  UCR114327  Oenothera rosea Mitch Provance 2000-9-28 2264 Riverside UCR Campus, S side of Linden St., across from the Parking Services building. 335 Comment
  UCR94247  Olea europaea Scott D. White 1996-4-14 3923 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  CAS-BOT-BC427463  Oligomeris linifolia A. J. McC 1892-5-1 58 Riverside Collected near Elsinore Comment
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Oct 15 2018
  RSA605206  Oligomeris linifolia A. C. Sanders, G. K. Helmkamp, P. Mackay 1995-3-12 16026 Riverside Sonoran (Colorado) Desert Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111). -7 Comment
  UCR41587  Oligomeris linifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6114 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SD72205  Olneya tesota C. W. Tilforth 1967-6-5 120 Riverside 2.0 miles west of Blythe, eastern-central Riverside County. Comment
  UCR279368  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41500 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  RSA0031145  Opuntia basilaris Marc Baker, Michelle Cloud-Hughes, Tim Thomas, Alice Karl 2013-9-26 17803 Riverside Chuckwalla Mountains, north side of Corn Springs Wash, 1.1km ESE of Corn Spring, 12.2km SE of Desert Center, 70 km west of Blythe. 478 Comment
  RSA388330  Opuntia basilaris Steve Boyd 1986-5-7 1834 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  POM284055B  Opuntia phaeacantha Lyman Benson 1955-12-6 15619 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  UCR217551  Orcuttia californica Diane Menuz 2009-5-14 492 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  UCR137363  Orobanche bulbosa 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
  RSA0076203  Orobanche californica subsp. feudgei Philip A. Munz 1927-5-21 10897 Riverside Coahuila Valley, Ansa. [Cahuilla Valley, Anza] 1372 Comment
  JEPS85950  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4528 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  RSA709922  Orobanche cooperi Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4638 Riverside Along Palen Pass Road, sandy area near Palen/McCoy Wilderness boundary. Bajada of mountains, just north of Palen Lake (dry). 170 Comment
  CLARK-A1045-166  Orthocarpus densiflorus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA192067  Orthocarpus purpurascens E. W. Lathrop 1966-5-1 6228 Riverside 3 miles W of Murrieta. Tenaja Plateau. Comment
  RSA612685  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-3-29 1613 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
  UCR79208  Oxalis californica Steve Boyd 1992-4-14 6873 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  CLARK-A1045-71  Oxytheca emarginata George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains dry slope just northwest of Kensworthy Forest Station; ; Idyllwild 15' Q Comment
  SEINET1908452  Oxytheca trilobata A. C. Sanders, Mitch Provance 2008-1 35762 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. 1463 Comment
  SD217338  Paeonia californica Steve Boyd, Tim Toss and Orlando Mistretta 1992-2-2 6660 Riverside San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  CAS-BOT-BC327939  Palafoxia arida J. Von Loh 1978-1-23 3307 A Riverside Palo Verde Mesa, 12 mi W of Blythe 121 Comment
  RSA784948  Palafoxia arida Duncan S. Bell 2012-2-12 3126 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG100853  Palafoxia arida W. L. Halvorson 1977-2-20 77 -78 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  POM15081  Palafoxia arida var. arida Mary F. Spencer 222 Riverside Mecca, Colorado Desert. -49 Comment
  RSA0034758  Palafoxia arida var. arida Louis Cutter Wheeler 1931-11-26 368 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  RSA600856  Palafoxia linearis Marjorie D. Clary 1937-7-9 2793 Riverside W side of Colorado Desert: Coral Reef Ranch, Coachella. Comment
  UCR2624  Panicum capillare F. M. Reed 1903-12-18 416 Riverside Riverside, Box Springs Mtns. foothills, natural bridge, Little Arroyo. (E edge of town near Tequesquite Arroyo and Chicago Ave., 'Little Arroyo' evidently drained into Arroyo T. from the N a short distance west of Chicago Ave.- notes by A. Sanders, 1993) 293 Comment
  UCR251736  Panicum hirticaule Kristin Forgrave, Joshua Paolini 2013-8-7 029 Riverside Colorado (Sonoran) Desert, Ford Dry Lake, just north of I-10 109 Comment
  CSUSB1048  Papaver californicum Tony Beck 1968-5-4 680504 7 Riverside San Jacinto Mountains San Jacinto Mountains. 10 miles south of Banning on highway 74, in burned chaparral- Oak woodland. About 10-20 yards up hill on right side of road. 1219 Comment
  SD67091  Papaver californicum E. Norland 1967-5-12 Riverside Temecula Canyon on Santa Margarita River, northwest of Rainbow. Comment
  HSC66618  Parietaria floridana Josephine Jones, Christopher Davidson 1980-4-4 9942 Riverside West end of Orocopia Mtns., in small canyon and wash due S of Oro Pk. 518 Comment
  RSA678338  Parietaria hespera var. hespera Steve D. Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10475 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
  LA45753  Parkinsonia florida S. Beller; 1926-4-20 sn Riverside Palm Springs Comment
  RSA0027382  Parkinsonia florida Kristin Forgrave, Sarah J. De Groot 2013-6-4 14 Riverside On Graham Pass Rd 10 mi from Chuckwalla Valley Rd 362 Comment
  RSA0054941  Parosela emoryi Keith E. Hoffmaster 1933-4-14 449 Riverside Palm Springs. Comment
  RSA595269  Paspalum dilatatum D. L. Banks, Victor Steinmann 1996-4-20 902 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 487 Comment
  RSA769301  Paspalum vaginatum R. E. Riefner Jr. 2008-7-5 08 -215 Riverside Cathedral City, drainage tributary to Whitewater River, Perez Rd. at Date Palm Dr. 82 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
  SD96353  Pectis papposa var. papposa David Keil 1975-8-27 K 10994 Riverside 8 miles west of Desert Center along I-10 Comment
  UC2026451  Pectis papposa var. papposa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10049 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  SEINET3347427 Image available Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10834 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UC494839  Pectocarya heterocarpa Philip A. Munz 1932-3-14 11993 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  RSA0001856  Pectocarya heterocarpa P. A. Munz, D. Keck 1922-4-9 4780 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UCR18123  Pectocarya linearis A. C. Sanders 1978-3-26 0830 Riverside Perris-Aguanga Basin region, Woodcrest area, SE of Riverside. North of Mockingbird Creek and Harley John Rd., west of Washington St. 434 Comment
  RSA605223  Pectocarya peninsularis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16212 .1 Riverside Coachella Valley, mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I10. 366 Comment
  UCR89719  Pectocarya platycarpa J. M. Stewart 1991-4-7 784 Riverside Sonoran (Colorado) Desert, Pinto Wash south of Joshua Tree National Monument, Eagle Mountains Comment
  JOTR30140  Pectocarya recurvata La Doux, Tasha 2008-2-4 1707 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA709881  Pectocarya recurvata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4625 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  RSA777441  Pectocarya recurvata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 974 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  UCR229215  Pectocarya recurvata Tara Schoenwetter 2011-5-27 s.n. Riverside Peninsular Range, Alberhill, off Lake St. at Alberhill Mountain, N of Coal Ave./Nichols Rd. extension 429 Comment
  UCSB8771  Pectocarya recurvata Bell, David 1969-3-31 Riverside River Bend Campground; along U.S. Highway 95; 15 miles north of Blythe; Mojave Desert 152 Comment
  SD39275  Pectocarya setosa Edith A. Purer 1935-4-21 6446 Riverside Pine Valley, Pines to Palms Highway Comment
  SEINET7073446  Pellaea mucronata A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  JOTR30214  Pellaea mucronata var. mucronata Leary, C. and Leary, Pat 1979-5-5 2989 Riverside Joshua Tree National Park. On west facing slope above Lower Covington Flats, Joshua Tree National Monument; T2S R7E sec 6 Comment
  UC54993  Penstemon X parishii H. M. Hall 1897-5-19 567 Riverside canyon of the San Jacinto River San Jacinto Mountains, canyon of San Jacinto River (Southern California) 914 Comment
  POM11271  Penstemon californicus Philip A. Munz 1922-7-3 5976 Riverside Hemet Valley, 2 miles below Kenworthy 1372 Comment
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May 29 2011
  RSA58861  Penstemon californicus Philip A. Munz, Percy C. Everett 1950-6-23 14912 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  RSA489134  Penstemon centranthifolius Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  CAS-BOT-BC265287  Penstemon clevelandii subsp. connatus C. Epling; Wm. Stewart 1936-5-9 s.n. Riverside Near Ribbonwood, Mount San Jacinto Comment
  POM307271  Penstemon clevelandii subsp. connatus Henry J. Ramsey 1937-5-30 2100 Riverside Santa Rosa Mountains. Comment
  UCR24779  Penstemon grinnellii W. W. Mayhew 1981-6-25 s.n. Riverside Peninsular Range; San Jacinto Mtns, road edge about 100 yards below the lookout on the summit of Black Mtn. 2348 Comment
  UCR35261  Penstemon heterophyllus L. B. Ziegler 1968-6-3 304 Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon 762 Comment
  RSA0014867  Penstemon heterophyllus var. australis Scott D. White, Justin M. Wood 2009-5-21 12849 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  OBI35637  Penstemon spectabilis Norman C. Cooper 1944-6-17 1422 Riverside San Jacinto Mtns above Banning 1067 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
  NY661195  Penstemon spectabilis var. spectabilis F. W. Pennell 1940-4-28 25282 Riverside Route 74, west slope of San Jacinto Range 1280.2 Comment
  POM4217  Penstemon spectabilis var. spectabilis Jenkins, Street 1917-5-30 1936 Riverside San Jacinto River. Comment
  RSA583741  Penstemon spectabilis var. spectabilis Steve D. Boyd 1995-4-24 8490 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as ''Agua''. 762 Comment
  RSA621904  Penstemon spectabilis var. spectabilis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3221 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  SEINET3148378  Pentachaeta aurea F. M. Reed 1908-7-14 2455 Riverside Strawberry Valley, San Jacinto Mts. Comment
  UC2029973  Pentachaeta aurea S. D. White, Bill La Haye 2000-5-27 7953 Riverside SAN JACINTO MOUNTAINS: Baldy Mtn. area. Comment
  SD138000  Pentagramma triangularis Darin L. Banks, Steve Boyd 1995-3-15 64 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, north face Agua Tibia Mountain, Dorland Mountain area Comment
  RSA0070724  Pentagramma triangularis E. W. Lathrop 1968-5-22 6921 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  IRVC19373  Pentagramma triangularis subsp. triangularis R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  RSA772010  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4961 Riverside 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
  SFV17214  Peritoma arborea J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UCR131825  Peritoma arborea Jennie Phui 1998-5-30 027 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  CAS-BOT-BC77499  Peritoma arborea var. angustata H. M. Hall 1899-5-1 1186 Riverside Aguanga, Smith Mt. Comment
  RSA0117921  Perityle emoryi Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7651 Riverside Mecca Hills: Side canyon along Painted Canyon Road. northeast of Mecca, northwest of Box Canyon. 170 Comment
  UC306392  Perityle emoryi S. B. Parish 1919-3-27 19196 Riverside Palm Canyon Colorado Desert Comment
  UCR104023  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-5 2662 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR263647  Perityle emoryi Aaron C. Sedgwick, Brett Griffin 2012-3-28 027 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  RSA0030872  Perityle emoryi H. M. Hall 1902-1 2793 Riverside Western borders of the Colorado Desert. Coyote Canyon. 152 Comment
  RSA92220  Perityle emoryi F. W. Peirson 1369 Riverside Andreas Canyon near Palm Springs. 274 Comment
  HSC80299  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside 8 mi. W of Rancho California, Sandia Creek 305 Comment
  SD122868  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd., 8 mi west of Rancho California, wet sand in Sandia Creek 305 Comment
  CAS-BOT-BC167759  Petalonyx thurberi Alice Eastwood 1913-4-30 3079 Riverside Palm Springs Comment
  RSA445162  Petalonyx thurberi Jack Rempel 1932-11-13 16122 Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  UCD117307  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. 243 Comment
  UC65005  Petalonyx thurberi subsp. thurberi E. E. Schellenger 1904-10-15 48 Riverside Colorado Desert, Whitewater Wash Comment
  UCR110405  Petunia parviflora A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23174 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CAS-BOT-BC326738  Peucephyllum schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  RSA0031549  Peucephyllum schottii Duncan S. Bell 2013-1-30 4439 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  IRVC28827  Phacelia Mark A. Elvin 2005-4-26 4232 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  SEINET7907969  Phacelia D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris and Lake Elsinore 488 Comment
  POM8961  Phacelia ambigua P. A. Munz, R. D. Harwood 1920-4-4 3529 Riverside Pass south of Palm Springs. 152 Comment
  RSA554212  Phacelia ambigua Theo Glenn 1991-4-9 91 -4 Riverside Big wash in Eagle Mountains 787 Comment
  RSA764131  Phacelia brachyloba L. M. Prince, Duncan S. Bell 2009-6-17 570 Riverside Cleveland National Forest Comment
  UCR110964  Phacelia brachyloba George K. Helmkamp 1998-6-27 4093 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
  UCR111556  Phacelia brachyloba Mitch Provance 1999-5-4 1704 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR156466  Phacelia brachyloba T. B. Salvato, A. C. Sanders 2005-5-17 894 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
  JEPS2205  Phacelia campanularia subsp. vasiformis W. L. Jepson 12551 Riverside n Mecca; Colorado Desert, Eagle Mts., Cottonwood Spr. 487 Comment
  RSA427697B  Phacelia campanularia subsp. vasiformis N. C. Cooper 1944-3-25 995 Riverside Morongo Pass. 457 Comment
  RSA79157  Phacelia campanularia subsp. vasiformis P. A. Munz, P. C. Everett 1952-5-2 16247 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UC494750  Phacelia campanularia subsp. vasiformis Philip A. Munz and C. L. Hitchcock 1932-4-9 12230 Riverside e Riverside Co. White Tanks Comment
  UCR228836  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2011-4-27 39335 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  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
  SBBG65305  Phacelia crenulata E. C. Jaeger 1926-2-20 Riverside springs near Dos Palmos on the Salton Sea Comment
  UCR138574  Phacelia crenulata Steve Boyd, Orlando Mistretta 1986-3-13 1440 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR139101  Phacelia crenulata B. G. Pitzer 1989-4-16 1291 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range. Just outside Impact Area, 1 km south of Tabaseca Tank 700 Comment
  JOTR35325  Phacelia crenulata var. ambigua Harding, Mitzi, Mark Wheeler 2012-2-28 93 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  UCR214277  Phacelia crenulata var. ambigua A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37480 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR279527  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-3-29 43189 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UC665895  Phacelia crenulata var. minutiflora Ira L. Wiggins 1941-3-27 9669 Riverside about 4 mi ne Desert Center (on road to Rice) Comment
  CAS-BOT-BC133967  Phacelia distans L. R. Abrams 1926-3-25 11052 Riverside between Banning and Cabazn Comment
  RSA0105078  Phacelia distans Daphne K. Christopher, Hannah Stevens 2003-4-6 104 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA125556  Phacelia distans R. Weatherby 1949-5-21 489 Riverside Between Raduc and Hemet. 610 Comment
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May 29 2013
  RSA49196  Phacelia distans P. A. Munz 1949-4-13 13047 Riverside above Cottonwood Springs, west end Eagle Mts. Colorado Desert 1098 Comment
  RSA678360  Phacelia distans Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10495 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
  RSA770429  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4870 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  SEINET156041  Phacelia distans Norman C. Cooper 1944-3-24 1018 Riverside Banning. 701 Comment
  UC494555  Phacelia distans Philip A. Munz 1932-3-14 11973 Riverside along wash of Deep Canyon Coachella Valley 91 Comment
  SD119892  Phacelia fremontii Louis B. Ziegler 1969-4-3 339 Riverside Pinyon Flats; San Jacinto Mountains. Comment
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Nov 27 2012
  SEINET1908502  Phacelia imbricata A. C. Sanders, Mitch Provance 2008-1 35787 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station. 1450 Comment
  RSA622  Phacelia imbricata subsp. patula J. T. Howell 1927-8-2 559 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  OBI8236  Phacelia minor David J. Keil, Malcolm McLeod 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  RSA617440  Phacelia minor B. Pitzer 1997-3-23 2990 Riverside Lakeview Mtns, ca. 1 air mile SSW of Mt. Rudolph, along powerline rd 0.3 mile E of Contour (Juniper Flats) Rd. 610 Comment
  UCR279396  Phacelia neglecta A. C. Sanders, Jim Malusa 2017-3-25 43011 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
  UCR112131  Phacelia parryi A. C. Sanders, B. Pitzer, T. B. Salvato 1998-4-26 21757 Riverside Box Springs Mtns., Highgrove, mouth of Pigeon Pass Canyon at intersection of Pigeon Pass Rd. and Mt. Vernon Ave. 320 Comment
  RSA512170  Phalaris minor Ed LaRue 1989-4-21 s.n. Riverside Moreno valley, University of California agricultural experimental farms, ca. 1/2 mi. S of Alessandro Blvd. at NE corner of Catus Ave. & Nason Street. Comment
  UCR35504  Phaseolus acutifolius Giles Waines, J. Mosjidis 1981-11-1 s.n. Riverside Grown at University of California Riverside Comment
  SD128015  Phleum alpinum Michael Curto 1989-8-6 599 Riverside San Jacinto Mts, Fuller Ridge Trail, at springy N headwaters of Fuller Mill Cr. 2695 Comment
  HSC83021  Pholistoma membranaceum N. M. Fellows 1985-3-16 111 Riverside Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mi. W of Snow Creek Village 489 Comment
  RSA76031  Pholistoma membranaceum F. W. Peirson 1919-4-13 981 Riverside Tahquitz Canyon stream, near Palm Springs. Comment
  UCR88865  Pholistoma membranaceum A. C. Sanders 1995-4-13 16507 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  SD143690  Phoradendron bolleanum Andy C. Sanders, P. MacKay, L.& P. Lubinsky 1994-10-30 15833 Riverside San Bernardino Mountains, Whitewater River Canyon between Red Dome and Stills Landing, SE of VABM Paw 911 Comment
  RSA0104910  Phoradendron californicum Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7749 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5 air miles northeast of the summit of Martinez Mountain. 266 Comment
  RSA189406  Phoradendron californicum L. S. Rose 1966-12-11 s.n. Riverside Palm Springs. 152 Comment
  RSA698142  Phoradendron californicum W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  UC1971181  Phoradendron californicum Louis C. Wheeler 1964-10-17 8640 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  UC848861  Phoradendron californicum C. L. Hitchcock 1940-4-2 5917 Riverside Joshua Tree Nat'l Monument, Cottonwood Spring wash Comment
  UCR139382  Phoradendron californicum I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCR169925  Phoradendron californicum A. C. Sanders, J. Andre , P. J. MacKay, Tim Thomas & CNPS Fld Trip 2005-2-26 29129 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA645540  Phoradendron densum George K. Helmkamp 1995-11-16 s.n. Riverside San Jacinto Mountains. Pinyon Pines Camp beside Hwy 74. 1235 Comment
  SEINET10819597  Phoradendron densum Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 136 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  SBBG121978  Phoradendron leucarpum subsp. macrophyllum S. D. White, A. Carey 2004-4-16 10156 Riverside Indian Crk and adjacent slopes 549 Comment
  CLARK-A1528-4421  Phoradendron longispicum John C. Roos 1952-3-26 5420 Riverside Riverside 259 Comment
  POM50811  Physalis crassifolia E. C. Jaeger 1925-1-12 s.n. Riverside Painted Canon, Colorado Desert. Comment
  UC566780  Physalis crassifolia H. L. Mason 1928-3-10 4185 Riverside Whitewater River Comment
  RSA0065367  Physalis crassifolia David B. Dunn 1947-7-12 2980 Riverside Indio Hills in Pushawalla Canyon. Comment
  CAS-BOT-BC45829  Pilostyles thurberi L. N. Goodding 1943-10-28 88 -43 Riverside On Dalea Emoryi; 57 miles south of Indio, California Comment
  SEINET3871933  Pinus cembroides var. parryana Victor Duran 1933-7-2 3495 Riverside Near Santa Rosa, Santa Rosa Mountains.; 0 1676 Comment
  CLARK-A1528-3585  Pinus coulteri John C. Roos 1942-6-20 1281 Riverside San Jacinto Mountains Comment
  UCSB22458  Pinus flexilis Head, W. 1966-5-14 Riverside 3 miles below summit of Tramway along Long Valley Trail, San Jacinto Mtns. 2468 Comment
  SD229028  Pinus lambertiana Dick Schwenkmeyer 2012-8-27 805 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  MACF014859  Pinus monophylla Lanny Southard 1964-12-1 13 Riverside Growing along side Palms to Pines Highway 1219 Comment
  RSA614474  Piperia cooperi Darin L. Banks 1997-4-5 1701 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of Wilderness Area boundry, along tributary of north fork of Pechanga Creek. 445 Comment
  UCR24886  Piperia transversa A. C. Sanders 1980-7-22 1728 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR92660  Pityrogramma triangularis var. triangularis Scott D. White 1996-3-23 3843 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  SEINET3084181 Image available Plagiobothrys arizonicus Andrew C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16286 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 335 Comment
  RSA691055  Plagiobothrys canescens Scott D. White, Michael Honer 2003-4-9 8971 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  UCR225738  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-29 38886 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  UCR230215  Plagiobothrys collinus A. C. Sanders 2011-4-6 38986 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
  UCR134643  Plagiobothrys collinus var. californicus Mitch Provance 1998-4-10 410 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR4201  Plagiobothrys collinus var. californicus K. S. Gill 1965-3-14 s.n. Riverside 1 mile north of corner of Wood and Roberts roads in Woodcrest 549 Comment
  UC662528  Plagiobothrys collinus var. fulvescens Philip A. Munz 1937-5-30 15089 Riverside n of Vandeventer Flat; Santa Rosa Mts. 1676 Comment
  UCR112995  Plagiobothrys collinus var. fulvescens Mitch Provance, Seychelle Provance, Juanita Provance, Claude Provance 1999-4-4 1721 Riverside Riverside, 'Whitegates Hills', c. 0.125 miles north of Overlook Pkwy. 381 Comment
  UCR58494  Plagiobothrys fulvus var. campestris Jeri Hirshberg 1989-4-4 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, and SW of Mesa de Burro 610 Comment
  RSA0106760  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2009-3-29 141 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  UCR75046  Plagiobothrys jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12143 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA785183  Plagiobothrys leptocladus D. E. Bramlet 1992-4-29 2260 Riverside San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  UCR92708  Plagiobothrys leptocladus A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18048 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR280979  Plantago elongata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 81 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UCR225583  Plantago erecta A. C. Sanders, T. B. Salvato 2011-3-29 38872 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
  UCR91452  Plantago erecta Scott D. White 1995-3-30 2672 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
  RSA698379  Plantago ovata J. Russell Bruff 1928-4-3 s.n. Riverside 13 miles W of Desert Center Comment
  UCR103577  Plantago ovata George K. Helmkamp 1998-1-17 2543 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR29821  Plantago ovata George K. Helmkamp 1983-3-24 383- 17 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  UCR85084  Plantago ovata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16031 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  POM308154  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2921 Riverside 10 miles east of Indio. Comment
  UCSB6247  Plantago ovata var. fastigiata Haller, John 1960-4-2 Riverside south side of U.S. highway 60-70; 5.8 miles east of Desert Center 243 Comment
  LA206329  Platanus racemosa B. D. Stark; November 1933 5555 Riverside San Jacinto Mountains, Andreas Canyon, desert side of mountains Comment
  UCR234327  Platanus racemosa A. C. Sanders, John F. Green 2012-4-6 40007 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, off Temescal Cyn. Rd., between Campbell Ranch Rd. and I-15 Fwy, c. 10 miles south of Corona 324 Comment
  RSA660049  Platystemon californicus Glenda Long 1981-4-11 7 Riverside 5 miles along Cajalco Road after I 15 offramp. 100 to 150 yards up north facing slope from road. Comment
  UCR201468  Platystemon californicus Scott D. White, Justin M. Wood 2008-5-15 11983 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA701406  Plectritis ciliosa subsp. insignis Steve D. Boyd, Aydee Virgen 2004-4-13 10890 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR104643  Plectritis ciliosa subsp. insignis D. E. Bramlet 1997-4-4 2510 Riverside Tributary to Dawson Canyon, 854 m east of the El Sobrnte landfill and 610 m north of Dawson Canyon. 45 m south of the jeep trail that crosses this triutary. 365 Comment
  UC818430  Pleuraphis rigida Ivan Johnston Apr 4 1917-Apr 6 1917 1093 Riverside mouth of Andreas Canyon; Colorado Desert, mouth of Andreas Canyon 243 Comment
  SDSU13611  Pluchea odorata W. Miller, C. Mosse 1972-7-19 Riverside Comment
  RSA615394  Pluchea sericea A. C. Sanders 1997-3-19 20033 Riverside Lake Skinner area, S foot of Bachelor Mtn, across the northern arm of the lake from the boat ramp. 457 Comment
  POM162493  Poa fendleriana Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain Comment
  RSA740834  Poa pratensis Scott D. White, Justin M. Wood 2008-7-8 12394 Riverside Johnson Meadow. 1439 Comment
  POM14438  Poa secunda P. A. Munz, I. M. Johnston 1922-5-21 5509 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  RSA700019  Poa secunda Scott D. White, Michael Honer 2003-4-4 8927 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 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
  UCR112473  Polygonum fagopyrum A. C. Sanders, Giles Waines, Mitch Provance, T. B. Salvato, et al 2000-4-15 23322 Riverside Coachella Valley, Chino Canyon, foothills of the San Jacinto Mtns., along the road to the Palm Springs Tram 0.5 mi. above Hwy 111 244 Comment
  UCR82905  Polypogon australis A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15799 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA500155  Polypogon interruptus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3646 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  SDSU21791  Polypogon maritimus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3987 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  CLARK-A1528-87  Polypogon monspeliensis Fred B. Essig 1967-6-22 Riverside Santa Ana River Comment
  SDSU13013  Polypogon monspeliensis Michael G. Simpson 1999-10-27 2028 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA385496  Polypogon viridis Albert J. Perkins 1916-4-16 s.n. Riverside Near Palm Canyon. Comment
  IRVC170  Polystichum imbricans subsp. curtum Debbi DeVault 1965-4-24 HS 556 Riverside Highway 74; 1/4 mile SE of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  IRVC18440  Polystichum imbricans subsp. curtum Gordon A. Marsh 1978-10-31 s.n. Riverside Bear Springs at Orange-Riverside County line. Santa Ana Mountains Comment
  POM360758  Populus fremontii E. Crow 1929-4-21 334 Riverside North of Alberhill. Comment
  RSA0036069  Populus fremontii Ivan M. Johnston 1917-4-4 s.n. Riverside Palm Canyon along creek. 457 Comment
  SEINET10965416  Populus fremontii David B. Dunn 1947-9-21 Dunn 3514 Riverside Pushawalla canyon. Seedlings growing in the wet sand. Comment
  JEPS64524  Populus fremontii subsp. fremontii W. L. Jepson 1928-4-25 12590 Riverside Colorado Desert, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Spring 731 Comment
  UC846015  Populus fremontii subsp. fremontii Ivan Johnston 1917-4-4 1092 Riverside Palm Canyn Palm Canyon; Colorado Desert, Palm Canyon 457 Comment
  UCR225162  Potamogeton diversifolius Steve Boyd, Gary Wallace 2005-7-30 11642 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  RSA191457  Potamogeton foliosus E. W. Lathrop, Robert F. Thorne 1967-9-26 6622 Riverside 6 miles NW of Murrieta. Comment
  UCR193756  Potentilla gracilis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35561 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  SDSU12251  Primula clevelandii var. clevelandii Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 2 Riverside Comment
  SEINET10929258  Proboscidea althaeifolia Robert L. Dressler 1951-11-22 Dressler 1194 Riverside 15 mi, W of Blythe. Sandy soil with scattered Larrea. Comment
  UCR109534  Prosopis glandulosa R. D. Goeden, Don W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert, Chuckwalla Mountains at Granite Well, SW of Desert Center, 0.4 mi. past sign saying 'Edmund C. Jaeger Nature Sanctuary' in bottom of canyon at old road crossing 366 Comment
  SEINET10489770  Prosopis glandulosa var. torreyana Billy Joe Cox 1975-4-23 Cox 4136 Riverside Palo Verde, 1-3 km W, (ca 32 m S of Blythe); creosote desert scrub; sandy and gravelly entisols. 70 Comment
  JEPS65604  Prosopis pubescens Marjorie D. Clary 1936-9-27 Riverside Colorado Desert, Coachella Coachella; Colorado Desert, Coachella Comment
  LA47425  Prosopis pubescens W. B. Welch; 1928-5-5 3454 Riverside Painted Canyon Comment
  SD260298  Prunus dulcis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42420 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161a^z) of water tank. 473 Comment
  UC1713767  Prunus fasciculata S. B. and W. F. Parish 1197 Riverside Fls., Morongo, Mts. of Colorado Desert, April, Fr., Mts. of Mojave Desert, May, 1882 Comment
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Feb 16 2013
  UCR19424  Prunus fasciculata Harlan Lewis, Carl Epling 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Cottonwood Spring, ['Providence Mtns.' NOTE: The locality data on this specimen is certainly partially incorrect: likely from Cottonwood Spring at the S entrance of Joshua Tree National Park, Riverside Co. The collectors were at Corn Spring, Chuckwalla Mtns on the same date, some of the species collected at Cottonwood Spring are very unlikely to have come from the Providence Mtns: Condaliopsis lycioides & Tetracoccus hallii in particular. Det. by A.C. Sanders, Dec. 1986] Comment
  RSA180284  Prunus ilicifolia E. W. Lathrop 1965-4-26 5696 Riverside 4 mi. W. of Murrieta. Comment
  UCR140659  Prunus virginiana var. demissa Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 88 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  UCR35159  Prunus virginiana var. demissa L. B. Ziegler 1972-5-5 451 Riverside San Jacinto Mtns., Hemet (Garner) Valley area in Apple Canyon (east of the Hemet Lake.) 1448 Comment
  POM10053  Pseudognaphalium biolettii Charlotte M. Wilder 1903-4-19 23 Riverside Wilder Canyon, W Riverside County Comment
  JOTR30788  Pseudognaphalium luteoalbum La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2096 Riverside Joshua Tree National Park. Eagle Mountains; Cottonwood Oasis 914 Comment
  JOTR32462  Pseudognaphalium luteoalbum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2607 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
  UCR265597  Pseudognaphalium luteoalbum Jordan Zylstra 2014-3-18 14008 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA759172  Pseudotsuga macrocarpa Doug Goldman, Pat Griffith 2005-3-4 3048 Riverside South side of Route 74, about 0.7 miles west of the intersection with Route 243. San Bernardino national Forest. 1326 Comment
  CLARK-A1528-2068  Psilocarphus brevissimus John C. Roos 1937-5-10 2498 Riverside Lake Elsinore Comment
  UCR18939  Psoralea californica John C. Roos 1941-5-10 125 Riverside Santa Rosa Mtns, Pinyon Flats Campground 1220 Comment
  CLARK-A1528-5673  Psoralea physodes John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1219 Comment
  CAS-BOT-BC346360  Psorothamnus W. R. Dudley 1895-1-2 s.n. Riverside Along railroad below Palm Springs Station Comment
  JEPS41715  Psorothamnus arborescens var. simplicifolius W. L. Jepson 1928-4-25 12625 Riverside W side Pinto Mountains (White Tank) Comment
  UC64368  Psorothamnus arborescens var. simplicifolius H. M. Hall Jun 1901 2008 Riverside Canyon of the San Jacinto River; San Jacinto Mountains, Southern California 670 Comment
  UC667246  Psorothamnus arborescens var. simplicifolius Annie M. Alexander and Louise Kellogg 1941-5-12 2156 Riverside 5.5 mi NE of Cottonwood Spring; Eagle Mountains, Colorado Desert 868 Comment
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Feb 4 2013
  UCR144127  Psorothamnus arborescens var. simplicifolius Scott D. White 2001-4-18 8357 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  CAS-BOT-BC353621  Psorothamnus emoryi C. B. Wolf 1932-4-26 2697 Riverside Colorado Desert, 3 miles E of Mecca on Blythe Road 0 Comment
  SEINET2063918 Image available Psorothamnus polydenius A. C. Sanders, B. G. Pitzer, B. L. Phillips 1988-10-15 8717 Riverside Mojave Desert, S edge of Fort Irwin Miltary Training Center, NE of Barstow, on E slope of Paradise Range, Lane Mtn. 15' Quad. 640 Comment
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Sep 13 2015
  CAS-BOT-BC340860  Psorothamnus schottii Lester Rowntree 1937-5-28 s.n. Riverside Pines to Palms [Palms to Pines] Comment
  CAS-BOT-BC340908  Psorothamnus schottii O. F. Sillig 1917-5-21 s.n. Riverside Palm Springs, Colorado Desert Comment
  OBI43764  Psorothamnus schottii Scott Cantrell 1986-3-28 64 Riverside Cottonwood Springs Rd, S entrance to Joshua Tree Natl Monument, 1 mi N of Hwy I-10 Comment
  POM128978  Psorothamnus schottii E. E. Schellenger 12 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  SEINET3005064  Psorothamnus schottii G. Rink 2011-5-1 10502 Riverside North side of the Chuckawalla Mountains 365 Comment
  SEINET3407818 Image available Psorothamnus schottii Richard Walker 1967-4-30 80 Riverside Adjacent to outside of fence ca. 400ft East of North entrance to U of Califronis Desert Research Station, Palm Desert. 244 Comment
  POM96259  Psorothamnus schottii E. C. Jaeger 1925-12-20 s.n. Riverside Fish traps. 3 Comment
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Feb 3 2011
  JEPS41682  Psorothamnus spinosus E. E. Schellenger 1903-7 2 Riverside Chuckawalla Bench Comment
  RSA623940  Psorothamnus spinosus Raymond J. Dobbs 1927-3-30 s.n. Riverside Near Palm Springs. Comment
  UC534841  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 243 Comment
  POM10468  Pterostegia drymarioides Charlotte M. Wilder 1904-4-18 204 Riverside Wilder's Canyon. Comment
  UCR205276  Pterostegia drymarioides Steve Boyd, Amber Maurice, Pesach Lubinsky, L. Lubinsky 2003-4-17 19456 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert, East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station 366 Comment
  RSA781946  Punica granatum A. C. Sanders 1997-5-1 20615 Riverside Lake Skinner area: Old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  POM306721  Purshia tridentata var. glandulosa Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1661 Riverside Santa Rosa Mountains. 1220 Comment
  UCR92665  Quercus agrifolia Scott D. White, S. Douthit 1996-3-31 3850 Riverside Lake Skinner area, Riverside Land Conservancy conservation easement site, c. 0.5 air mi south of the reservoir, near East Benton Road 534 Comment
  UCD45075  Quercus agrifolia var. oxyadenia Maunsell Van Rensselaer 1937-6-24 s.n. Riverside San Jacinto Mountains, Riverside County, California. Comment
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Mar 29 2014
  UCD45076  Quercus agrifolia var. oxyadenia Maunsell Van Rensselaer 1937-6-24 s.n. Riverside San Jacinto Mountains, Riverside County, California. Comment
  RSA475286  Quercus berberidifolia Steve Boyd 1987-11-23 2097 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  RSA597052  Quercus berberidifolia D. L. Banks, Lauren Raz 1996-11-5 1165 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, SE of San Gabriel Church; On a newly established firebreak along a E-facing ridge S of the southern fork of Pechanga Creek. 488 Comment
  RSA601110  Quercus berberidifolia A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18104 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  RSA621889  Quercus berberidifolia Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3068 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  UCR264643  Quercus berberidifolia Mitch Provance 2012-4-27 412- 20 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR273034  Quercus berberidifolia Mitch Provance 2012-1-25 17379 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  UCR51924  Quercus berberidifolia Steve Boyd 1987-11-23 2097 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  UC488911  Quercus chrysolepis C. V. Meyer Jun 1927 165 Riverside Saunders Meadows San Jacinto Mts. 1737 Comment
  UC5522  Quercus chrysolepis H. M. Hall Jul 1901 2524 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1828 Comment
  CAS-BOT-BC86542  Quercus dumosa L. R. Abrams 1908-7-21 s.n. Riverside Santa Ana Mountains near Elsinore Comment
  RSA495812  Quercus dumosa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2922 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
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Jun 24 2010
  UCD46014  Quercus engelmannii Frank C. Vasek 1975-9-11 s.n. Riverside Large tree in Horsethief Creek Canyon, southwest of Pinyon Flat, where the Cactus Spring Trail crosses, Riverside County, California. Comment
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Oct 4 2019
  UCR189807  Quercus engelmannii Angela Hyder 2006-10-2 080 Riverside Peninsular Range, Lake Skinner, Lake Skinner reserve. 1 mi east of Rawson Canyon. 1 mi north of Black Mountain 660 Comment
  UCR262458  Quercus engelmannii Cecile Shohet 2015-6-24 s.n. Riverside Beaumont, NW of 'Plantation on the Lake' mobile home park, south of I-10, east of Cherry Valley Blvd., west of Plantation Dr., under powerlines 728 Comment
  SEINET10622123  Quercus john-tuckeri Greg Gust, Leith Nye 2005-3-11 Gust 547 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  POM122565  Quercus kelloggii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UC219581  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  CAS-BOT-BC104995  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  CAS-BOT-BC168238  Quercus wislizeni T. B. Salvato 2004-5-27 592 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
  UCR209590  Quercus wislizeni Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. SW of the corner of Dailey Rd. and Sullivan Rd. 671 Comment
  UCR277496  Quercus wislizeni Mitch Provance 2010-7-6 610- 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 752 Comment
  UC527702  Quercus wislizeni var. frutescens C. B. Wolf 1931-10-14 Riverside 100 yds above Fish Hatchery (Snow Creek, n base of San Jacinto Mts); San Jacinto Mountains, Snow Creek 609 Comment
  RSA613719  Rafinesquia californica D. L. Banks 1997-4-5 1694 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  POM33170  Rafinesquia neomexicana Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. Comment
  SEINET3104761  Rafinesquia neomexicana Faulkner 1978-3-20 330 Riverside Near Big Maria Mtns, 1 mi west of Colorado River. 152 Comment
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Sep 9 2013
  UCR108453  Ranunculus aquatilis L. C. Wheeler 1961-6-24 7910 Riverside San Jacinto Mountains, Fulmor Lake Comment
  UCR216392  Ranunculus californicus Mike Bell 2008-3-30 020 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR389  Ranunculus cymbalaria var. saximontanus K. H. Fisher 1968-4-4 680404- 03 Riverside Peninsular Range; San Jacinto Mtns., San Jacinto River, near Lake Hemet. c. 100 yards east of Hwy 74 1326 Comment
  RSA0019610  Ranunculus eschscholtzii var. oxynotus Carl B. Wolf 1932-8-5 3975 Riverside Rocks at summit of San Jacinto Peak. San Jacinto Mountains. 3294 Comment
  POM128388  Ranunculus hebecarpus Thos. Craig 1927-4-23 222 Riverside Glen Ivy. Comment
  RSA651175  Raphanus sativus Phil Goodwin 1948-2-6 s.n. Riverside Found in orange grove, 3 mi. north of Orange. 91 Comment
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Feb 17 2013
  UC870815  Rhamnus crocea C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4733 Riverside Gavilan Peak 700 Comment
  JEPS42036  Rhamnus ilicifolia M. French Gilman Apr 1921 Riverside Beaumont Comment
  UCR277523  Rhamnus ilicifolia Mitch Provance, Jeffrey S. Ross-Ibarra 2007-1-20 17200 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  UCR164570  Rhus aromatica S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  UCR89658  Rhus aromatica Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  RSA696223  Rhus integrifolia Anonymous 1926-12-18 s.n. Riverside Santa Ana Mts Comment
  HSC101784  Rhus ovata J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13191 Riverside Along State Route 74 1227 Comment
  UC219274  Rhus ovata P. A. Munz, I. M. Johnston 1922-5-18 5327 Riverside Comment
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Sep 24 2013
  UCR100299  Rhus ovata B. G. Pitzer 1997-4-20 3187 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  UCR125763  Ribes indecorum A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25660 Riverside San Jacinto Mountains, Bautista Canyon, at road crossing of creek c. 1 mile above Alessandro Trail 930 Comment
  LA205484  Ribes malvaceum D. Birindelli; S. Medry 1969-3-9 sn Riverside NW side of Mt. Jacinto 1219 Comment
  JEPS49221  Ribes quercetorum Fred M. Reed 1908-3-8 2245 Riverside canyon on w side Box Springs Mt.; Riverside and vicinity Comment
  UCR251302  Ricinus communis T. B. Salvato, Matthew Malle 2014-4-8 7827 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  UCR136195  Romneya coulteri A. C. Sanders 2004-6-20 28226 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., hilltop above I-15, SW of main clay pits 378 Comment
  UCR156614  Rorippa sphaerocarpa T. B. Salvato, A. C. Sanders 2005-5-17 904 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
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Feb 18 2009
  POM12902  Rosa californica Philip A. Munz 1922-6-30 5901 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR201631  Rosa californica Scott D. White, Justin M. Wood 2008-6-16 12121 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 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
  JOTR01002  Rumex crispus Cole, James E. 1941-5-27 793 Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  CDA2894  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  UCR266412  Rumex pulcher D. E. Bramlet, Fred M. Roberts 2005-6-6 3871 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  UCR193957  Rumex salicifolius A. C. Sanders 2008-7-25 35905 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1539 Comment
  RSA444472  Rupertia physodes J. C. Roos 1960-5-30 s.n. Riverside Santa Ana Mountains: Ridge N of Bedford Peak with Calochortus albus, semi shade 1220 Comment
  JEPS65654  Rupertia rigida Marjorie D. Clary 1932-7-4 993 Riverside road to Burnt Valley (Santa Rosa Mountains); Santa Rosa Mountains 1371 Comment
  JOTR30066  Salazaria mexicana La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1696 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  UCR123840  Salazaria mexicana Steven R. Hill 2001-5-3 33695 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
  UCR121804  Salicornia subterminalis A. C. Sanders, Carolyn Washburn 2001-4-17 24048 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  SBBG58879  Salix exigua F. R. Fosberg 1932-3-31 8077 Riverside Thousand Palms Cyn Comment
  UCR113884  Salix exigua Mitch Provance, A. C. Sanders 2000-7-4 2018 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  SBBG58912  Salix exigua var. hindsiana F. R. Fosberg 1932-3-13 8078 Riverside Thousand Palms Cyn Comment
  CAS-BOT-BC108118  Salix gooddingii I. M. Johnston 1918-5-30 2018 Riverside Lee Lake, Temescal Canyon [Canon] 335 Comment
  RSA18197  Salix gooddingii Carl B. Wolf 1929-5-31 3739 Riverside 1 mi. NW of Santa Ana River on Corona-Chino road. Comment
  RSA0038300  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Colorado Desert. Lower Sonoran Zone Comment
  RSA44861  Salix laevigata J. C. Roos, L. Roos 1947-11-1 3758 Riverside Eagle Mountains, Lost Palms Canyon. Comment
  RSA707986  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  SEINET272290  Salix laevigata A. C. Sanders, G. Helmkamp 1997-3-15 19968 Riverside Lake Skinner area: lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N Skinner Reser 457 Comment
  UC5060  Salix lasiolepis H. M. Hall 1901-7-17 2444 Riverside Tahquitz Creek San Jacinto Mountains 1889 Comment
  UC717267  Salix lasiolepis W. A. Setchell and Victor Duran 1935-4-17 7 Riverside 6 mi from Hemet (on way to Aguanga) Comment
  CAS-BOT-BC128450  Salix lasiolepis var. lasiolepis Frank W. Peirson 1933-4-14 10648 Riverside Banning - Idlewild Road 1524 Comment
  CAS-BOT-BC126315  Salix sessilifolia Ethel H. Campbell 1921-6-1 s.n. Riverside San Jacinto Comment
  CAS-BOT-BC126322  Salix sessilifolia F. R. Fosberg 1932-3-13 8078 Riverside Thousand Palms Canyon, Coachella Valley Comment
  CDA21321  Salsola australis L. Smith 2004-8-17 s.n. Riverside South Coast Region; Corner of Iowa St. and Martin Luther King Blvd., Riverside. 303 Comment
  RSA0094963  Saltugilia australis A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 s.n. Riverside Lake Skinner area; Lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  UCR118400  Saltugilia australis A. C. Sanders 1994-5-30 14584 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  CLARK-A1045-112  Salvia apiana George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  LA212161  Salvia apiana A. L. Haines; 1951-5-19 s.n. Riverside SAN JACINTO MOUNTAINS, Bautiste Wash. 609 Comment
  UC1563119  Salvia carduacea Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3235 Riverside n of Wilson Creek (valley at ne end of Vail Lake); Vail Lake Area 487 Comment
  RSA0041456  Salvia columbariae Duncan S. Bell, LeRoy Gross 2014-3-20 6277 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  SEINET7073411  Salvia columbariae A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCR120185  Salvia columbariae Mitch Provance 1998-3-7 170 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.1 km west of peak 1602, c. 0.75 km south of limestone quarry situated at the N base of the mountain on 7th St. This site, technically, in the city of Riverside. 442 Comment
  UCSB5783  Salvia columbariae Cline, C. 1960-5-15 Riverside 0.2 miles from Hwy. 74; on road to Anza 1219 Comment
  RSA651275  Salvia mellifera A. Mayor, T. Strid 1973-4-20 s.n. Riverside Railroad Canyon Road. [West of Sun City] Comment
  SD136810  Salvia mellifera Steve Boyd, Tim Ross and Orlando Mistretta 1992-3-31 6742 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Morgan Tril from Round Potrero west to junction with Tenaja Trail in north fork of Bear Creek. 671 Comment
  UCD125587  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mile west of Aguanga. Comment
  UCR154409  Salvia mellifera A. C. Sanders, Mike Misenhelter 2005-6-15 30942 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
  UCR157960  Salvia mellifera T. B. Salvato, A. C. Sanders 2005-5-17 907 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
  UCR172792  Salvia mellifera Wayne Law, Jun Hu 2000-5-16 14 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR241822  Salvia mellifera A. C. Sanders, Timothy W. Chumley 2013-4-2 40753 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  CAS-BOT-BC224851  Salvia pachyphylla H. M. Hall 1901-7-1 2160 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  UCR35325  Salvia pachyphylla L. B. Ziegler 1970-8-28 418 Riverside Santa Rosa Mtns, Santa Rosa Mountain 2439 Comment
  CAS-BOT-BC233336  Salvia vaseyi A. C. Sanders; K. Rose 1995-4-27 16736 Riverside Foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park, Coachella Valley 550 Comment
  POM12853  Sambucus caerulea P. A. Munz 1922-6-24 5791 Riverside Pipe Creek, Hemet Valley 1402 Comment
  SEINET8565408  Samolus parviflorus H. M. Hall 1904-5-24 4955 Riverside Vicinity of Riverside, Spring Brook. 229 Comment
  CAS-BOT-BC223223  Sanicula bipinnatifida John F. Green 2010-3-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee area, c. 5.5 miles NE of Murrieta, powerline route c. 500 ft. south of 90 deg. bend in Briggs Rd. 427 Comment
  SD232163  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside Temescal Canyon: Just west of I-15 freeway and northeast of Lawson Dr. 305 Comment
  UCR91679  Sanicula crassicaulis Steve Boyd, Darin Banks 1995-3-30 8410 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, at W edge of the Dripping Springs alcove in tributary of Kolb Creek just east of old Woodchuck Truck Trail. 701 Comment
  RSA762004  Sarcodes sanguinea Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 656 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JEPS27445  Sarcostemma hirtellum W. L. Jepson 1928-4-25 12627 Riverside s. Mohave Desert, Pinto Basin 1676 Comment
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Dec 26 2016
  UCR101564  Sarcostemma hirtellum 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
  RSA206496  Saxifraga californica E. W. Lathrop 1969-5-8 7020 Riverside Los Alamos Canyon 1/2 mile E of San Mateo Canyon, Cleveland National Forest, Trabuco district. 518 Comment
  RSA650260  Schinus molle W. H. Grady 1948-5-18 s.n. Riverside Found in Riverside, growing in Fairmont Park. 259 Comment
  SD137942  Schismus barbatus Darin L. Banks 1995-5-9 368 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 the Woodchuck Campground 792 Comment
  UC1023396  Schismus barbatus John and Lucille Roos 1951-3-24 5033 Riverside Mount Rubidoux 396 Comment
  UC1546999  Schismus barbatus Leila M. Shultz, John S. Shultz 1985-4-17 8299 Riverside n of Blythe (Palo Verde Valley, at the s extension of the Big Maria Mountains); Big Maria Mountains, Palo Verde Valley 91 Comment
  UCR265585  Schismus barbatus Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 7 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  SD178106  Schoenoplectus acutus A. C. Sanders 2004-5-12 27865 Riverside Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. 377 Comment
  UCR241955  Schoenoplectus acutus A. C. Sanders, Timothy W. Chumley 2013-3-28 40698 Riverside Peninsular Range, Temescal Canyon Rd. SE of Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St., beside old RR berm 376 Comment
  UCR19788  Schoenoplectus acutus var. occidentalis E. W. Lathrop 1966-6-1 6365 Riverside Santa Ana Mtns., Santa Rosa Plateau, Tenaja Range, Los Alamos Road, 14 mi NW of Murrieta Comment
  JOTR36427  Schoenoplectus americanus La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3372 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 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
  SDSU12972  Schoenoplectus pungens var. longispicatus Michael G. Simpson 1999-10-27 2039 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UC841025  Scirpus maritimus P. A. Munz 1922-4-29 5107 Riverside s Elsinore (Sedco, water along roadside); Sedco, s of Elsinore Comment
  POM47007  Scutellaria siphocampyloides Mary F. Spencer 1919-5-18 1194 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
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Mar 21 2011
  UC488840  Scutellaria siphocampyloides C. V. Meyer June 1927 173 Riverside San Jacinto Mountains 1676 Comment
  RSA180472  Scutellaria tuberosa E. W. Lathrop 1959-4-16 4459 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  CAS-BOT-BC69802  Selaginella bigelovii L. R. Abrams 1926-3-25 11041 Riverside Between Banning and Cabazon. Comment
  RSA683699  Selaginella bigelovii Walter E. Haag 1936-4-11 4 Riverside N fork San Juan Canyon. 305 Comment
  UCR91560  Selaginella bigelovii A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15908 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  CAS-BOT-BC62089  Selaginella eremophila L. R. Abrams 1926-3-26 11032 Riverside Palm Canyon Comment
  POM299279  Senecio douglasii var. monoensis A. M. Alexander, Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains 884 Comment
  RSA719248  Senecio mohavensis Michael Honer, Lincoln Hulse 2004-4-3 1903 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
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Jun 8 2016
  SEINET6692556 Image available Senecio monoensis Philip A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains. 1036 Comment
  RSA585619  Senecio vulgaris D. L. Banks, S. D. Boyd 1995-3-15 0054 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Agua Tibia Mtn., Dorland Mtn. area. 689 Comment
  HSC82846  Sesbania exaltata A. C. Sanders 1985-8-24 5950 Riverside Near Oasis, Hwy 195, ca. 1/2 mi. N of intersection with Hwy. 186 -52 Comment
  SEINET2042037 Image available Sesbania herbacea George Helmkamp, E. A. Helmkamp 2000-8-29 5984 Riverside Colorado Desert: S of Mecca, where Lincoln St. Crosses the Whitewater River. Ca. 0.5 mi from the Salton Sea. 67 Comment
  CAS-BOT-BC438205  Sesuvium verrucosum A. C. Sanders; D. Bramlet; Mihai Costea; T. Salvato 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  CAS-BOT-BC243551  Setaria parviflora Samuel B. Parish 1897-5-29 4518 Riverside Wayside Waif, South Riverside Comment
  UC1100455  Setaria verticillata Malcolm A. Nobs and S. Galen Smith 1948-9-3 492 Riverside 2 mi. n. Indio; Imperial Valley Comment
  SEINET11982177  Sidalcea hickmanii Unknown 1936-1 12817 Riverside Colorado Desert N of Palm Springs Comment
  UCR21299  Sidalcea malviflora A. C. Sanders, K. Berg 1980-5-1 1370 Riverside San Jacinto Mtns., Garner Valley. 0.25 mi NW of the Kenworthy Ranger Station. 1387 Comment
  RSA33842  Sidalcea malviflora subsp. sparsifolia N. C. Cooper 1944-5-20 1240 Riverside Palms to Pines Highway. 1433 Comment
  RSA741171  Sidalcea malviflora subsp. sparsifolia Scott D. White, Justin M. Wood 2008-5-15 12007 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  SEINET3451371  Sidalcea malviflora subsp. sparsifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33705 Riverside Temecula, Temecula, along new gas line right of way, north of Del Ray Road near the junction with Calle Pina Colada, Bachelor Mountains Quadrangle (topo map) 380 Comment
  UCR23558  Sidalcea neomexicana John C. Roos 1966-5-19 s.n. Riverside San Jacinto Valley, 3 mi. west of San Jacinto Comment
  SEINET7048196  Sidalcea sparsifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33705 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  CAS-BOT-BC434384  Sidotheca trilobata Susan G. Stokes 1934-7-1 312 Riverside San Jacinto Mt. 1219 Comment
  SD114242  Sidotheca trilobata Frank Gander 1941-6-9 1112 Riverside San Jacinto Mts. 1524 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
  UCR280626  Silene antirrhina Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 10 Riverside Gavilan Hills, Alberhill Canyon, tower site 0.3 miles east of dirt road portion of Lake St., about 0.8 miles NNE of Lake St. and Walker Canyon Rd. 497 Comment
  CAS-BOT-BC506669  Silene gallica Jordan Zylstra 2014-3-18 14005 Riverside San Jacinto Mtns: Apple Canyon, W of Apple Canyon Road 1453 Comment
  RSA612478  Silene gallica D. L. Banks 1997-2-23 1339 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA701677  Silene laciniata subsp. major Steve Boyd, Valerie Soza 2004-6-22 11555 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  CAS-BOT-BC175126  Silene verecunda Mary F. Spencer 1919-7-2 1221 Riverside San Jacinto Mt. 1615 Comment
  UCSB7426  Silybum marianum Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chino Institute 213 Comment
  UC856978  Sisymbrium altissimum I. W. Clokey 1935-4-18 6645 Riverside Gavilan Flats 600 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
  UCD115453  Sisymbrium erysimoides A. C. Sanders 1988-1-18 7589 Riverside Riverside, west end of the Box Springs Mountains on S-facing slopes of Sugarloaf Peak. 579 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
  UCR83199  Sisymbrium erysimoides A. C. Sanders 1994-5-15 14478 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR165290  Sisymbrium irio John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA719076  Sisymbrium irio Michael Honer 2005-3-18 2090 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  UCR150018  Sisymbrium officinale Scott D. White, Angelia Carey 2004-5-7 10339 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR199680  Sisymbrium officinale Scott D. White 2008-4-28 11912 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
  SD140141  Sisymbrium orientale Scott White 1993-4-22 1222 Riverside North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  RSA407734  Sisyrinchium bellum Steve Boyd 1986-5-1 1803 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  RSA422441  Solanum douglasii E. Mannatt 1931-4-19 18736 Riverside Hemet Comment
  RSA500105  Solanum douglasii Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3665 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  UCR121345  Solanum elaeagnifolium A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25026 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR176993  Solanum rostratum Pete Roa 2006-6-6 s.n. Riverside Riverside, Knoll Way west of La Cadena Dr., between Columbia Ave. and Strong St. on the west side of the 215 freeway 262 Comment
  UCR207276  Solanum rostratum O. F. Clarke 2004-5-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC156670  Solanum umbelliferum H. M. Hall 1901-6-1 2071 Riverside In the vicinity of Chalk Hill 1463 Comment
  RSA33824  Solanum umbelliferum N. C. Cooper 1944-4-21 1140 Riverside Banning. 701 Comment
  RSA427461  Solanum umbelliferum F. A. Thackery 1927-3-30 281 Riverside Banning. Comment
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Mar 13 2011
  UCR215513  Solanum umbelliferum Daphne K. Christopher, Hannah I. Stevens 2003-4-4 099 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR228876  Solanum umbelliferum A. C. Sanders 2011-4-6 39017 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
  RSA0020571  Solanum umbelliferum J. D. Olmsted 1962-6-23 5303 Riverside SE San Bernardino Mts: near Calelectric water intake on S. fk. Whitewater River. 2195 Comment
  SBBG120599  Solanum xanti A. C. Sanders with T. B. Salvato, K. Volansky 2006-5-26 32587 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 549 Comment
  POM259195  Solidago californica P. A. Munz 1938-8-13 15336 Riverside Rocky ridge east of Santa Rosa Peak 2378 Comment
  RSA758484  Solidago californica Michael Wall 2009-10-30 547 Riverside Bautista Canyon east of Hemet, ca. 8 miles SE of jct. with Fairview Ave., at mouth of unnamed side canyon 760 Comment
  SD229107  Solidago velutina subsp. californica Dick Schwenkmeyer 2011-8-25 650 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment