Search Results — 2000 specimen records retrieved (1887 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR63918  Abies concolor Frank C. Vasek 1976-7-4 760704- 01 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  CAS-BOT-BC229352  Abronia villosa L. R. Abrams 1926-3-26 11023 Riverside Palm Springs Comment
  CAS-BOT-BC229356  Abronia villosa Roxana S. Ferris 1918-6-14 966 Riverside In desert at Palm Springs Comment
  CAS-BOT-BC229363  Abronia villosa R. H. Peebles; H. F. Loomis 1930-4-1 200 Riverside Mecca Comment
  CAS-BOT-BC229364  Abronia villosa Geo. B. Grant 1902-8-1 s.n. Riverside San Jacinto Comment
  CSUSB576  Abronia villosa Bruce Freeman 1968-5-4 680504 13 Riverside 0.75 mile east of San Jacinto on main route. 487 Comment
  RSA461032  Abronia villosa Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  RSA652379  Abronia villosa Peter Gail 1961-5-13 s.n. Riverside Palms to Pines Hwy Comment
  UC574971  Abronia villosa C. Epling, J. Ewan 1933-6-1 Riverside near Alberhill; Temescal Canyon Comment
  POM202487  Abronia villosa var. aurita Marcus E. Jones 1934-5-9 s.n. Riverside Corona Comment
  SEINET3347400 Image available Abronia villosa var. villosa Jim Andre, T. La Doux 2009-2-25 10833 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  SD146226  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring. 433 Comment
  SD129314  Acacia dealbata John Adams 1966-3-12 434 Riverside Hwy 74 above Lake Elsinore, toward Capistrano. 609 Comment
  UCR75087  Acacia greggii A. C. Sanders 1992-4-4 12142 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CLARK-A1045-206  Acamptopappus sphaerocephalus George K. Helmkamp 1979-4-29 Riverside Windy Point Whitewater 7.5'Q Comment
  CAS-BOT-BC218712  Achnatherum coronatum Carl B. Wolf 1932-5-25 3694 Riverside 1/4 mo. SW of summit of Moreno Grade, Bad Lands, SW of Beaumont 670 Comment
  CAS-BOT-BC218716  Achnatherum coronatum Steve Boyd; Aydee Virgen 2004-4-13 10868 Riverside San Mateo Canyon, midway between confluence with Los alamos Canyon and Tenaja Canyon, Peninsular Ranges, Santa Ana Mountains region Comment
  SBBG122757  Achnatherum coronatum A. Parikh 1990-5-10 165 Riverside S shore of Diamond Valley Lake, 3.4 km S of jct of Warren and Simpson Rds, 4.9 km E of Winchester Rd 543 Comment
Read comments
Apr 23 2011
  SEINET4692071 Image available Achnatherum coronatum Barry A. Prigge 1980-1 3830 Riverside San Bernardino Mountains, Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  UC1131564  Achnatherum hymenoides H. S. Yates 1937-3-23 6414 Riverside near White Water; San Jacinto Quadrangle Comment
  JOTR28927  Achyronychia cooperi La Doux, Tasha 2005-3-1 1163 Riverside Joshua Tree National Park. Between Sand Hills and Main Road to Cottonwood Comment
  SEINET957562  Acmispon heermannii S. Boyd 1982-1 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, at the northern end of the entreched meander of Temescal Creek at the western base of Estelle Mountains. 1080 Comment
  UCD104284  Acmispon rigidus Nancy Ryan Zabriskie 1973-2-23 565 Riverside Boyd's Rd. Lookout, Deep Canyon, N Slope Santa Rosa Mts. 853 Comment
  SD181519  Acmispon strigosus Scott D. White 2000-5-30 7971 Riverside Corona foothills, ca. 1 mile southeast of the I-15/El Cerrito Road junction adjacent to new houysing construction, alluvial terraces with steep, incised channels. This robust plant in a burned area. 334 Comment
  SD37818  Acmispon strigosus Edith A. Purer 1935-4-21 6448 Riverside Mountains, east slope, along Pines to Palms Hwy Comment
  UCSB41277  Acmispon strigosus Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km) W on Hwy. 74 from jct. with 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  UC35625  Acourtia microcephala H. M. Hall Aug. 1901 2637 Riverside foothills of the w side San Jacinto Mountains; Southern California 762 Comment
  UCR112408  Acourtia microcephala A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23457 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  CAS-BOT-BC133136  Adenostoma fasciculatum Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA615330  Adenostoma fasciculatum var. fasciculatum Scott D. White 1997-5-25 5245 -a Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  RSA453184  Adenostoma sparsifolium H. de Forest 1932-8-24 s.n. Riverside West side of San Jacinto Valley. Comment
  UCR196977  Adenostoma sparsifolium Mark A. Elvin 2004-10-12 3812 Riverside San Jacinto Mountains, south of Idyllwild, north of Mountain Center along Hwy 243 1524 Comment
  UC1971487  Adiantum capillus-veneris Louis C. Wheeler 1963-3-17 8245 Riverside SANTA ROSA MOUNTAINS: Martinez Canyon. Comment
  UCR163882  Adiantum capillus-veneris B. G. Pitzer 2001-8-19 4342 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  RSA597082  Agave americana Darin L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1120 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate., 100 m E of the main road at the edge of an open field and the native chaparral. 448 Comment
  RSA750595  Agave deserti subsp. deserti K. M. Meyer, A. Townesmith, T. Scott 2007-3-19 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinyon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  RSA0042762  Agave deserti var. deserti Keith E. Hoffmaster 1937-6-6 811 Riverside Palms to Pines Road, San Jacinto Mts. Comment
  POM17824  Agoseris retrorsa P. A. Munz, D. Keck 1923-6-14 7075 Riverside Glen Ivy Trail to Santiago Peak. 1584 Comment
  CAS-BOT-BC139443  Agrostis hyemalis Ralph Hoffmann 1929-9-8 s.n. Riverside Mount San Jacinto. Comment
  CAS-BOT-BC139444  Agrostis hyemalis Ralph Hoffmann 1929-9-6 s.n. Riverside Border of brook, Jahquitz Valley, Mount San Jacinto. 2438 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
  RSA681917  Agrostis pallens Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 s.n. Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR2121  Agrostis scabra F. M. Reed 1920-7-10 6009 Riverside San Jacinto Mtns., Ridge south of Camp Emerson 1524 Comment
  NY216672  Allenrolfea occidentalis R. S. Ferris 1958-3-19 13255 Riverside Bottomland 8 mi. N of Blythe on Highway U.S. 95 Comment
  RSA0042208  Allenrolfea occidentalis Joseph Brehm 2014-7-17 s.n. Riverside Collected at Dos Palmas ACEC in Upper San Andreas Oasis, 2 miles south of oasis. Comment
  JEPS15030  Allium cratericola P. A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy San Jacinto Mts., Kenworthy 1417 Comment
Read comments
Mar 25 2011
  RSA666659  Allium haematochiton A. C. Sanders, Kent Beaman 2002-5-10 25053 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  RSA70224  Allium haematochiton F. W. Peirson 1919-4-14 1652 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  UCD138536  Allium haematochiton C. L. Hitchcock 1966-3-15 24154 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  RSA559356  Allium lacunosum var. davisiae Steve Boyd 1992-5-15 7386 Riverside Southern Santa Ana Mountains, southeastern flank of Elsinore Peak at Onion Hill , a grassy knoll about 1/4 mile E of radio towers, along old Main Divide Road track 1021 Comment
Read comments
Apr 7 2011
  UCR205445  Allium marvinii Jeff B. Galvin, Annie L. Bustamante 2009-5-1 088 Riverside San Jacinto Mountains, foothills, Potrero Canyon, State Dept. of Fish and Game Reserve, adjacent to San Jacinto Wildlife Preserve. Hilltop east of Gilman Springs Road, south of Reserve gate 727 Comment
  RSA674662  Allophyllum divaricatum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  SBBG36321  Allophyllum gilioides T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns 1219 Comment
  SEINET2444454  Allophyllum glutinosum Leigh A. Johnson 1997-4-25 97 -054 Riverside San Bernardino Natl. Forest, Cahuilla Mtn. Along road to Cahuilla Mtn. trail. 1300 Comment
  JOTR30695  Aloysia wrightii La Doux, Tasha, Jim Andre 2008-9-13 264 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  RSA736797  Amaranthus albus Scott D. White, Angelia Carey 2004-7-2 10567 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR126429  Amaranthus arenicola T. B. Salvato, A. C. Sanders 2000-4-27 60 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  CAS-BOT-BC13614  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  UCR92766  Ambrosia acanthicarpa F. M. Reed 1933-9-20 8087 Riverside San Jacinto Mtns, Garner Valley 1470 Comment
  CAS-BOT-BC45011  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  JEPS30513  Ambrosia dumosa Donald Kyhos 1958-2-15 58 -11 Riverside Corn Springs Comment
  RSA0033750  Ambrosia dumosa Jim Andre 2013-3-27 24843 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  SD259964  Ambrosia dumosa J. M. Andre 2013-3-27 24843 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. Sandy bluffs above Solo. River flood plain. 114 Comment
  UC665877  Ambrosia dumosa Ira L. Wiggins 1941-3-24 9575 Riverside 2.7 mi s of, along e side of Salton Sea Mortmar; Salton Sea Comment
  UCSB10484  Ambrosia dumosa Atsatt, Pete 1958-3-22 Riverside 5.8 miles east of Desert Center on highway 60 and 70 243 Comment
  SEINET11855137  Ambrosia dumosa E. A. Purer 1935-1 6455 Riverside western Colorado Desert Comment
  UCR91057  Ambrosia pumila G. R. Ballmer 1996-4-10 s.n. Riverside Skunk Hollow, 6 mi. east of Murrieta, on W side of Pouroy Road 457 Comment
  CAS-BOT-BC273003  Ambrosia salsola Roxana S. Ferris 1918-6-17 1001 Riverside 5 miles east of Gruendikes Well, on Mecca - Blythe Rd. Comment
  CAS-BOT-BC273004  Ambrosia salsola M. McCollum 1976-6-10 2014 Riverside 8 mi SSW of Yucca Valley Comment
  SBBG100464  Ambrosia salsola var. salsola W. L. Halvorson 1977-3-8 77 -76 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  UC708746  Amorpha californica var. californica H. K. Wagnon 1944-5-25 395 Riverside by stream near entrance to Tahquitz Canyon; Palm Springs Comment
  UC718408  Amorpha californica var. californica Carl B. Wolf 1933-8-24 5380 Riverside 1/2 mi below summit of Bedford Motorway; E. Slope Santa Ana Mts. 975 Comment
  UCR102898  Amorpha fruticosa Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, where trail crosses Horsethief Creek 1341 Comment
  CSUSB988  Amsinckia intermedia Robert M. Hasegawa 1976-4-5 S. N. Riverside University of California, Riverside campus. 1/8 mile south of Perimeter Road. 274 Comment
  UCR120925  Amsinckia intermedia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24923 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR37711  Amsinckia menziesii A. C. Sanders 1985-3-18 5404 Riverside Riverside; UCR campus. Field between Lothian Dorm and Watkins Drive 335 Comment
  RSA594767  Amsinckia menziesii var. menziesii D. L. Banks, Dylan Hannon 1996-5-3 988 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  RSA0089961  Amsinckia retrorsa A. C. Sanders 2005-5-4 29846 Riverside Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR214143  Amsinckia retrorsa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37724 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  RSA0091460  Amsinckia tessellata R. F. Thorne, R. Carolin 1967-3-21 41634 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA0091462  Amsinckia tessellata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, Lonnie Rodriquez, April Sall 2010-4-12 4736 Riverside 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 W116.65128 600 Comment
  UC68710  Amsinckia tessellata var. tessellata H. M. Hall Apr. 1905 5860 Riverside Canyon Springs; Colorado Desert Comment
  RSA662565  Anagallis arvensis P. Shirokawa 1998-5-15 33 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  CDA37845  Anemopsis californica Mike Lahti 2012-7-18 PDR# 1590492 Riverside Winchester; near the intersection of Washington St. and Keller Rd. 0 Comment
  UC1237988  Anisocoma acaulis John Weiler and Roy L. Taylor May 12 1961-May 15 1961 61120 Riverside 100 yds e of bridge over, (feeding Hemet Res. along Hwy 74) Hurkey Creek; Hemet Reservoir Comment
Read comments
Mar 24 2011
  UCR89857  Antirrhinum coulterianum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3303 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
  JEPS5309  Antirrhinum filipes L. M. Newlon 1922-4-4 458 Riverside Palm Canyon Comment
  RSA336198  Antirrhinum filipes Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52014 Riverside Chino Canyon. Comment
  RSA703397  Antirrhinum filipes LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1449 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR117073  Antirrhinum kelloggii A. C. Sanders, Steven R. Hill 2001-5-4 24131 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  CLARK-A1528-4169  Antirrhinum nuttallianum John C. Roos 1966-4-29 Riverside Comment
  CLARK-A1528-840  Antirrhinum nuttallianum Fred B. Essig 1967-5-7 Riverside Box Springs Mountains Comment
  UCR41351  Antirrhinum nuttallianum N. M. Fellows, A. C. Sanders 1985-5-7 163 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA577518  Aphanes occidentalis D. L. Banks, Steve D. Boyd 1995-2-16 0046 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., on the Dripping Springs Alcove, E of the Woodchuck Trail. 720 Comment
  RSA711034  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak. 622 Comment
  RSA717461  Apiastrum angustifolium Scott D. White 2006-4-28 11317 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UC20819  Apiastrum angustifolium Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  OBI40191  Apium graveolens S. Cantrell & W. Appleby, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional park, Riverside. S side of river (R5W, T2S, SW 1/4 sec 30) 207 Comment
  RSA680164  Apocynum cannabinum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8624 -B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA740071  Arabis glabra Scott D. White, Justin M. Wood 2008-6-16 12134 Riverside Meadow at Quinn Flat. 1378 Comment
  UCR27149  Arabis johnstonii T. P. Krantz 1982-4-22 S.N. Riverside San Jacinto Mtns., Pebble plain along bench east of Garner Valley, near Quinn Flats. 1372 Comment
  UCR162394  Arabis sparsiflora S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  POM48870  Arceuthobium campylopodum Philip A. Munz, I. M. Johnston 1924-6-26 8705 Riverside Near Dark Canyon. 1524 Comment
  RSA629406  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19500 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629460  Arctostaphylos glandulosa Jon E. Keeley 1978-9-16 7261 Riverside On Twin Pines Ranch Road off Highway 243. Comment
  UCR277893  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42673 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  SD180710  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-8-2 400 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top, ca. 100m east of weather station. Among boulders, exposed, 0 slope. 654 Comment
  RSA629415  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19532 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UC1121519  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1936-8-29 680 Riverside 5 mi sw Rayneta; San Bernardino National Forest, San Jacinto Quadrangle 1524 Comment
  HSC47418  Arctostaphylos glauca Richard Spjut, C. E. Edson 1978-5-5 5018 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. 915 Comment
  RSA631735  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19283 Riverside Highway 79, 2 km west of Radec. 550 Comment
  RSA631789  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16735 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA631826  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16611 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  RSA631838  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16505 Riverside Barranca Road, west of De Portola Road, east side of Black Mountain, east of Lake Skinner. 725 Comment
  RSA633539  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22664 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633584  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22516 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633585  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22529 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633617  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16699 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633621  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16693 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633673  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20110 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633726  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16721 Riverside Road to Santa Rosa Mountain (7S02), 2.1 km south of Highway 74. 1600 Comment
  RSA633738  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20107 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA783228  Arctostaphylos pringlei J. D. Olmsted 1962-5-2 3467 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  CAS-BOT-BC44333  Arctostaphylos pringlei subsp. drupacea H. M. Hall 1901-6-1 2092 Riverside San Jacinto Mts. 1524 Comment
  CAS-BOT-BC44367  Arctostaphylos pringlei subsp. drupacea Walter Knight; Irja Knight 1985-4-3 6064 Riverside Near Idylwild Park, San Bernardino National Forest 1889 Comment
  LA42245  Arctostaphylos pungens W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA741185  Arctostaphylos pungens Scott D. White, Justin M. Wood 2008-6-16 12119 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCD53745  Arctostaphylos pungens Richard Bates 1949-5-21 s.n. Riverside Along rail to Tahquitz Peak; San Jacinto Mtns. Comment
  UCR3219  Arctostaphylos pungens V. L. McFarland 1964-5-3 s.n. Riverside San Jacinto Mtns., by the side of Lake Fulmor, south of Banning [on Hwy 243] 'el. 7000 ft. 1646 Comment
  RSA636167  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19472 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  RSA636183  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19537 Riverside West of Temecula, north-facing slopes off Carancho Rd., 2.8 km west of Via Volcano, eastern Santa Margarita Mtns. 320 Comment
  UCR102939  Argemone munita George K. Helmkamp 1998-4-4 3182 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  RSA502510  Argemone munita subsp. munita Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3560 Riverside Vail Lake area, along Arroyo Seco drainage from junction with Kolb Creek. S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA0119889  Argyrochosma jonesii Duncan S. Bell, Thomas Stoughton 2016-4-12 9220 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  CAS-BOT-BC207130  Argythamnia lanceolata F. W. Peirson 1921-3-23 2805 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs, Colorado Desert 152 Comment
  CAS-BOT-BC137646  Aristida adscensionis Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs. Comment
  JOTR35091  Aristida adscensionis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3542 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  JOTR35289  Aristida adscensionis Andre, Jim 2012-4-11 20782 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  RSA777397  Aristida adscensionis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 787 Riverside Mecca Hills, just south of Shaver's Well 305 Comment
  UCR2156  Aristida adscensionis F. M. Reed 1926-5-8 5324 Riverside Perris Basin, Rocky hill near Good Hope Mine Comment
  UCR242289  Aristida adscensionis A. C. Sanders, T. B. Salvato 2012-10-12 40420 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  SEINET10511900  Aristida adscensionis Leila M. Shultz, John S. Shultz 1985-4-18 Shultz 8332 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15), T6S R15E. Larrea, Fouquieria splendens, Ambrosia dumosa, Ferocactus association. Granite outcrop. 616 Comment
  RSA0029058  Aristida californica var. californica Jim Andre, Tasha La Doux 2006-4-11 6739 Riverside Pinto Basin: about 1 mi N. of Pinto Basin Rd (paved) growing in the Sand Hill area. 527 Comment
  UCR216682  Aristida purpurea Tasha La Doux, Jim Andre 2009-3-10 386 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  SEINET14198857  Aristida purpurea J. C. Roos 1966-4-22 Riverside Rocky hills between March AFB and Lakeview Comment
  JOTR35421  Aristida purpurea var. longiseta Andre, Jim 2012-4-16 20957 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  CAS-BOT-BC137529  Aristida purpurea var. nealleyi Carl B. Wolf 1932-5-24 3640 Riverside North base of San Jacinto Mountains. Snow Creek Canyon. 0.5 mile below Fish Hatchery. 548 Comment
  JEPS68444  Aristida purpurea var. nealleyi W. L. Jepson 1928-4-25 12585 Riverside Cottonwood Spgs. Colorado Desert, Eagle Mts. 731 Comment
  IRVC26889  Artemisia annua O. F. Clarke 1998-9-22 s.n. Riverside Box Springs Mtns. foothills, weed in the yard at 266 Frost Court, just east of UCR Riverside 396 Comment
  UCR219983  Artemisia californica A. C. Sanders, D. L. Sanders 2010-11-28 38702 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  HSC101294  Artemisia dracunculus A. C. Sanders, D. L. Sanders 2010-11-28 38700 Riverside Peninsular Range; NW Gavilan Hills: Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave 232 Comment
  JOTR32653  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  UC489283  Artemisia ludoviciana subsp. ludoviciana C. V. Meyer 1928-7-30 573 Riverside San Jacinto Mts., Saunder's Meadow 1676 Comment
  UCSB38400  Artemisia nova Ziegler, Louis 1964-7-11 Riverside Two miles northeast of Kenworthy Ranger Station Comment
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Apr 22 2013
  RSA697767  Arundo donax J. Russell Bruff 1927-10-8 1 -T Riverside Thousand Palms Comment
  CLARK-A1528-1461  Asclepias albicans John C. Roos 1946-12-21 3190 Riverside Colorado Desert Comment
  RSA401651D  Asclepias californica E. Crow 1929-4-21 335 Riverside North of Alberhill Comment
  UCR193857  Asclepias eriocarpa A. C. Sanders, Mitch Provance 2008-7-11 35822 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  CDA39851  Asclepias erosa W. E. Henson Nov 1937 s.n. Riverside Blythe. 0 Comment
  RSA90117  Asclepias fascicularis E. K. Balls, P. C. Everett 1953-8-19 18538 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  UCR133005  Asclepias fascicularis 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
  SD56842  Asclepias subulata Darley F. Howe 1963-5-15 3480 Riverside 26.5 miles west of Desert Center on California #197 455 Comment
  CSUSB407  Asparagus officinalis Randy Salstrom 1966-3-28 Riverside 50 yards west of north end of Canyon Crest Blvd., beside Gage Canal in Riverside (city). 274 Comment
  RSA180353  Aspidotis californica E. W. Lathrop 1960-6-7 4863 Riverside 14 miles W of Murrieta Comment
  POM944  Aspidotis californica O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA696777  Aster tortifolius J. Russell Bruff 1928-4-2 161 Riverside 8 mi. N of Cottonwood Springs. Comment
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Sep 20 2011
  UCD166215  Astragalus Jack Major 1962-4-16 767 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  UC862667  Astragalus didymocarpus var. dispermus Alice Eastwood 1913-4-30 3058 Riverside Palm Springs Comment
  RSA0009602  Astragalus didymocarpus var. dispermus Marcus E. Jones 1926-2-16 s.n Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  CLARK-A1045-708  Astragalus douglasii George K. Helmkamp 1977-5-28 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  UC73262  Astragalus douglasii var. douglasii Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA496121  Astragalus douglasii var. parishii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2998 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UC397248  Astragalus douglasii var. parishii Ivan Johnston Apr 4 1917-Apr 6 1917 113 Riverside Colorado Desert , Andreas Canyon (Andreas Canyon, Southern California) Comment
  RSA1785  Astragalus filipes C. B. Wolf 1931-5-11 s.n Riverside Near Pipe Creek, Hemet Valley, San Jacinto Mtns. 1616 Comment
  SBBG92276  Astragalus gambelianus J. Hirshberg 1989-4-3 Riverside Santa Rosa Plateau, S of town of Murrieta, W of Mesa de Burro 609 Comment
  UCR102843  Astragalus gambelianus A. C. Sanders 1997-4-3 20170 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR228835  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2011-4-27 39334 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  CAS-BOT-BC186897  Astragalus insularis var. harwoodii H. M. Hall 1901-4-5 5945 Riverside McCoy Wash, Colorado Desert Comment
  CAS-BOT-BC186898  Astragalus insularis var. harwoodii C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin Comment
  CAS-BOT-BC186902  Astragalus insularis var. harwoodii C. L. Hitchcock 1966-3-21 24331 Riverside 15 mi. s. of Rice, on dirt road to Blythe Comment
  CAS-BOT-BC186906  Astragalus insularis var. harwoodii J. C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center Comment
  HSC78590  Astragalus insularis var. harwoodii J. C. Roos 1958-3-15 Riverside 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  RSA707592  Astragalus lentiginosus var. coachellae Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 01 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  UC397225  Astragalus lentiginosus var. coachellae G. B. Grant 1906-4-8 6714 Riverside Palm Springs Palm Springs (Southern California) Comment
  RSA0006785  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 a Riverside Garnet, Coachella Desert. 137 Comment
  JOTR33872  Astragalus lentiginosus var. variabilis La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3048 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  RSA796505  Astragalus lentiginosus var. variabilis Jim Andre 2012-3-19 21355 Riverside Chuckwalla Valley. Along Hwy 177, 8.6 mi NE of Jct with I-10. 152 Comment
  RSA107988  Astragalus mohavensis H. D. Ripley, R. C. Barneby 1944-4-7 3203 Riverside 10 mi. N of Cottonwood Sprs. [Springs?] 746 Comment
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Feb 19 2014
  JEPS54835  Astragalus palmeri W. L. Jepson 1901-5-22 1345 Riverside Palm Canyon and return to Van Deventer's Ranch 914 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
  POM308355  Astragalus palmeri Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3028 Riverside Santa Rosa Mountains. 1220 Comment
  RSA202707  Astragalus palmeri Marcus E. Jones 1933-4-2 s.n Riverside Palms to Pines Road, S of Coachella Valley. 1067 Comment
  UC987815  Astragalus palmeri Reid Moran 1941-5-4 837 Riverside e Quail Spring (Joshua Tree National Monument); , e of Quail Spring 1300 Comment
  UCR122742  Astragalus palmeri George K. Helmkamp, E. A. Helmkamp 1998-4-24 3379 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  JOTR01062  Astragalus palmeri Cole, James E. 1941-4-8 502 Riverside Joshua Tree National Park. SPLIT ROCK AREA 1219 Comment
  RSA713871  Astragalus pomonensis M. Wall 2006-3-17 411 Riverside East Hemet Valle Vista area off of Cedar Avenue off of Mountain 509 Comment
  UCR91989  Astragalus pomonensis Michael A. Patten 1993-4-28 s.n. Riverside Murrieta, 3/4 mi. NW of California Oaks Road, 1/8 mi. NE of Interstate Hwy 15 366 Comment
  POM26331  Astragalus sabulonum Marcus E. Jones 1906-4-30 s.n Riverside Indio. Comment
  JOTR35473  Astragalus tricarinatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 76 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1463 Comment
  POM96857  Astragalus tricarinatus M. French Gilman 1926-5-9 A 3 Riverside Colorado Desert. Morogo Wash. Comment
  OBI54982  Athyrium filix-femina Marjorie Lewis 1947-8-26 17 Riverside Dark Canyon San Jacinto Mts. 1981 Comment
  RSA692505  Athyrium filix-femina subsp. cyclosorum Norman C. Cooper 1944-6-17 1413 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  POM12959  Athysanus pusillus P. A. Munz, I. M. Johnston 1922-5-21 5528 Riverside Hemet Valley, San Jacinto Mts. 1433 Comment
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Feb 18 2013
  RSA0121008  Atrichoseris platyphylla Duncan S. Bell, LeRoy Gross 2016-3-8 8825 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  UCR148298  Atrichoseris platyphylla John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR148861  Atrichoseris platyphylla S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR30074  Atrichoseris platyphylla George K. Helmkamp 1983-4-5 483- 42 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR52232  Atrichoseris platyphylla Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2161 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCSB9759  Atrichoseris platyphylla Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mtns., 1.5 mi. S of the junc. of U.S. highway 60-70 and the S entrance road to Joshua Tree Natl. Mon. 609 Comment
  RSA714022  Atriplex argentea subsp. expansa R. E. Riefner 2004-8-27 4 -396 Riverside N of La Sierra Heights; NE ca. 0.25 mi off Arlington Ave. along dirt acess road to Hidden Valley Wildlife Reserve. 221 Comment
  RSA5457  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SBBG1754  Atriplex canescens H. and M. Dearing 1939-11-12 4026 C Riverside near Banning Comment
  CAS-BOT-BC170205  Atriplex canescens subsp. canescens S. B. Parish 1912-10-10 8255 Riverside Caleb - Salton Basin -60 Comment
  CAS-BOT-BC170217  Atriplex canescens subsp. canescens Louis C. Wheeler 1931-11-27 378 Riverside 2 mi. SE Salton Bench Mark -76 Comment
  POM202641  Atriplex canescens var. laciniata W. M. Ingram 1934-10 3 Riverside 2 miles west of Edom Highway 99. Colorado Desert. Below sea level. Comment
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Dec 11 2011
  RSA65363  Atriplex canescens var. laciniata F. W. Peirson 1924-12-30 s.n. Riverside Thousand Palms Canyon, Coachella Valley. 122 Comment
  UCR123606  Atriplex coronata var. notatior D. E. Bramlet 2000-5-18 3052 Riverside San Jacinto River; 6.1 meters south of the Ramona Expressway and 61 meters east of the San Jacinto River 431 Comment
  UCR66967  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2054 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area; old San Jacinto River channel, c. 880 m NE of Davis Rd. and c. 400 m SW of first waterfowl pond. 476 Comment
  UCR90766  Atriplex coronata var. notatior D. E. Bramlet 1991-4-30 2088 Riverside 6.5 km west of Hemet and Approx. 610 m west of the intersection of Florida and Warren Road, 340 m south of Florida Ave. and 53 m east of the MWD canal 457 Comment
  RSA92585  Atriplex coronata var. notatior J. C. Roos 1952-5-14 5668 Riverside San Jacinto river bottomlands 1 miles southeast of Perris. 426 Comment
  RSA0021478  Atriplex glauca R. E. Riefner 2002-12-12 02 -521 Riverside City of Corona, along Magnolia Ave off ramp on SW side of I 15 Freeway. 216 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
  CLARK-A1528-398  Atriplex lentiformis subsp. lentiformis Charlotte Stocks 1964-8-30 Riverside Coachella Valley Comment
  RSA478372  Atriplex polycarpa Jack Rempel 1932-11-18 s.n. Riverside Colorado Desert, 10 miles up Palm Wash Comment
  UC65009  Atriplex polycarpa E. E. Schellenger 1904-10-16 34 Riverside Palm Springs , Palm Springs (s Colorado Desert) Comment
  UCSB1653  Atriplex polycarpa Ballard 1955-1-8 Riverside On road from Palm Springs to Cathedral City 182 Comment
  UCR110913  Atriplex serenana A. C. Sanders, K. C. Rose 1999-6-18 22830 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  RSA685162  Atriplex suberecta Scott D. White, Michael Honer 2003-4-9 8974 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  RSA689434  Atriplex suberecta R. E. Riefner 2003-5-27 3 -253 Riverside Perris Valley, Rider Street near Perris Valley Storm Drain. 483 Comment
  RSA0067890  Avena barbata Starr Streight 1982-4-17 20 Riverside Cajalco Road, 0.7 miles east of I-15; South of Corona. Comment
  UCR139033  Avena fatua D. L. Banks, V. W. Steinmann 1997-3-13 1448 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  RSA0123354  Ayenia compacta Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9050 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
  SD40814  Baccharis salicifolia Carl B. Wolf 1932-10-11 4174 Riverside Little San Bernardino Mountains, Morongo Wash. 669 Comment
  UCR241253  Baccharis salicifolia T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1205 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  JEPS40677  Baccharis salicifolia subsp. salicifolia L. M. Newlon 1922-4-3 443 Riverside Andreas Canyon Comment
  JEPS40699  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1939-4-17 19160 Riverside Temescal Valley, Temescal Creek 304 Comment
  POM350456  Baccharis sergiloides L. C. Wheeler 1933-12-1 2292 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  SD232171  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 Riverside Gavilan Hills/Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and/or west of unnamed peak. 395 Comment
  JOTR34046  Bahiopsis parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2946 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  UCSB37915  Bahiopsis parishii Roos, John 1965-9-26 Riverside Santa Rosa Mtns. 701 Comment
  JOTR16563  Baileya pauciradiata Dengler, A. 1966-3-31 46 Riverside Joshua Tree National Park. OLD DALE 609 Comment
  JOTR37508  Baileya pauciradiata Hodges, Stephen R. 2016-3-1 634 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  UCR90166  Baileya pauciradiata R. W. Scora 1966-4-1 3012 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  POM46891  Bebbia juncea Mary F. Spencer 1918-4-7 775 Riverside Palm Springs. 168 Comment
  RSA554026  Bebbia juncea A. C. Sanders, E. J. Lawlor 1992-4-4 12137 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA784947  Bebbia juncea Duncan S. Bell 2012-2-12 3125 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR41337  Bebbia juncea N. M. Fellows 1984-11-12 26 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  SEINET10925102  Bebbia juncea A. K. Evans 1976-4-13 Evans 5201 Riverside Desert canyons of Santa Rosa Mountains. Comment
  CAS-BOT-BC100121  Bebbia juncea var. aspera John Thomas Howell 1928-1-29 3296 Riverside Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC100132  Bebbia juncea var. aspera Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC100136  Bebbia juncea var. aspera J. Von Loh 1978-1-23 3311 Riverside Palo Verde Mesa, 12 mi. W. of Blythe 121 Comment
  JOTR31821  Bebbia juncea var. aspera La Doux, Tasha, Bill Truesdell 2007-11-9 2524 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  RSA792934  Bebbia juncea var. aspera Aaron C. Sedgwick, Joella Simons Adkins 2012-10-23 142 Riverside Off of Corn Springs Rd. in the Chuckwalla Wilderness and Chuckwalla Mtns. South of Hwy. 10 ~4 mi. In a wash running north-south. 427 Comment
  UCR280935  Bebbia juncea var. aspera Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 05 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  UCR35179  Berberis nevinii L. B. Ziegler 1977-9-20 570 Riverside Peninsular Range, Vail Lake, hills on south side of lake 488 Comment
  UCD129555  Bidens laevis Steve Myers 1990-12-10 s.n. Riverside Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope Channel and to the confluence with the Santa Ana River. 213 Comment
  CAS-BOT-BC127990  Bidens pilosa H. M. Hall 1901-8-1 s.n. Riverside Vicinity of Riverside 304 Comment
  UCR194861  Bloomeria crocea Mitch Provance, Michael L. Fugate 2005-4-14 10050 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  CAS-BOT-BC16094  Boechera californica E. A. McGregor 1941-6-12 19 Riverside San Gabriel Mountains. Idyllwild. Comment
  JOTR35501  Boechera perennans La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3189 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  JOTR34170  Boechera xylopoda Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 127 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  UCR35198  Boerhavia coccinea L. B. Ziegler 1967-8-30 218 Riverside San Jacinto Valley, Vacant lots in city of San Jacinto 473 Comment
  UCR211497  Boerhavia triquetra Jim Andre, T. La Doux 2008-9-13 10264 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
  UCD170133  Boerhavia triquetra var. intermedia A. C. Sanders 1989-9-19 9511 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target. 680 Comment
  UCR265474  Boerhavia triquetra var. intermedia Jordan Zylstra 2014-8-17 14022 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  CLARK-A1528-3272  Boerhavia wrightii John C. Roos 1937-8-20 Riverside Desert Center Comment
  RSA778406  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-5 66 Riverside Alligator ACEC. Desert Center Exit off I10. Follow route to Granite Mine. 399 Comment
  UCR251726  Boerhavia wrightii Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 52 Riverside Sonoran (Colorado) Desert, east of Alligator Rock; from I-10 at Desert Center, head south on CA 177 to BLM Rd 394 (dirt), collection site is 1.1 miles SW of I-10 exit ramp 334 Comment
  UCR103786  Bolboschoenus maritimus subsp. paludosus Scott D. White 1994-10-17 2466 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  CLARK-A1528-4501  Bothriochloa barbinodis John C. Roos 1947-2-15 3236 Riverside Eagle Mountains Comment
  POM263174  Bouteloua aristidoides J. C. Roos 1937-8-22 478 Riverside Colorado River, north of Blythe. Comment
  SEINET212401 Image available Bouteloua aristidoides var. aristidoides Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-23 6491 Riverside Palen Valley 15 miles northeast of Desert Center 183 Comment
  UC2026427  Bouteloua aristidoides var. aristidoides Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10047 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  RSA339334  Bouteloua barbata R. F. Thorne 53563 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line, near jnc od road to Split Rock and 29 Palms; elev. ca. 3600 feet-Valley W of Pinto Mountains. Sandy wash at Live Oak Tank. 1326 Comment
  UCD56845  Bouteloua barbata Geoffrey Levin 1976-10-17 1178 Riverside Box Canyon. About 11 miles east of Mecca. Mecca Hills. Salton Sea Basin. 91 Comment
  CAS-BOT-BC145606  Bouteloua barbata var. barbata Ralph Hoffmann 1929-9-11 s.n. Riverside Thomas Valley. Comment
  UCR207518  Bowlesia incana O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  JEPS43805  Boykinia rotundifolia Marjorie D. Clary 1932-8-7 1640 Riverside Snow Creek; Colorado Desert, San Jacinto Mts., Snow Creek 365 Comment
  RSA796094  Brandegea bigelovii Duncan S. Bell 2009-4-20 308 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  UCSB5999  Brandegea bigelovii Feldmann, Peter 1963-5-5 Riverside Along State Highway 111, 1 mile N of Palm Desert 914 Comment
  SEINET8550766  Brandegea bigelovii R. H. Peebles, H. F. Loomis 1930-4-6 121 Riverside Shaver's Well. Comment
  CAS-BOT-BC36848  Brassica tournefortii Winfield 1975-4-27 2373 Riverside Snow Creek Road. 3 miles from Highway 111. Comment
  RSA483138  Brassica tournefortii Christopher Davidson, B. Gustafson 1977-4-7 5573 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  RSA651823  Brassica tournefortii Marion P. Harthill 1973-2-17 1552 Riverside Snow Creek, Palm Springs 366 Comment
  UCR59183  Brassica tournefortii A. C. Sanders, O. F. Clarke 1989-4-5 9034 Riverside Box Springs Mtns, On the E edge of Riverside, at end of the dirt road in Two Trees Canyon Comment
  CLARK-A1528-1669  Brickellia desertorum John C. Roos 1950-9-30 4994 Riverside Box Springs Mountains 457 Comment
  RSA0042857  Brickellia incana Duncan S. Bell, LeRoy Gross 2014-3-20 6271 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA94115  Brickellia incana F. W. Peirson 1928-4-23 7889 Riverside 2.5 miles below cottonwood Springs, Riverside County Comment
  SEINET2055878  Brickellia lemmonii G. K. Helmkamp, E. A. Helmkamp 2000-9-13 6037 Riverside Chiricahua Mins; Pinery Cyn. 3.0 mi SE of Hwy AZ 181 1737 Comment
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May 3 2014
  RSA767667  Brodiaea Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60645 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  RSA343862  Brodiaea santarosae Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60644 Riverside Santa Rosa Plateau: Near vernal pools and in grassland of Mesa de Colorado. 625 Comment
  UCD57694  Bromus arizonicus John Thomas Howell 1956-3-20 31119 Riverside Riverside. 8th street. Comment
  UC1130968  Bromus carinatus var. carinatus H. S. Yates 1937-6-27 6715 Riverside near Idlewild 1615 Comment
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Jan 19 2010
  JOTR34184  Bromus diandrus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3234 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 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
  RSA131728  Bromus grandis E. K. Balls 1958-6-27 23293 Riverside Between Santiago Peak and Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  UCR2219  Bromus hallii F. M. Reed 1908-7-13 2476 Riverside San Jacinto Mtns, N margin of meadow in Tahquitz Valley 2439 Comment
  UCR156288  Bromus hordeaceus T. B. Salvato, Kent Beaman 2005-5-16 830 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
  POM353055  Bromus hordeaceus N. C. Cooper 1944-4-8 1075 Riverside Andreas Canyon 305 Comment
  POM363961  Bromus rubens Ora M. Clark 1929-2-23 1531 Riverside South Cabazon. Comment
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Mar 13 2011
  RSA682074  Bromus rubens Scott D. White 2001-3-27 8172 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  LA13846  Bromus tectorum Victor Duran; 1932-5-18 3218 Riverside San Jacinto Mountains, Idyllwild 1676 Comment
  POM28931  Caesalpinia virgata Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  RSA444311  Caesalpinia virgata Walter Wisura 1988-3-1 4181 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  UC68502  Caesalpinia virgata H. M. Hall Apr. 1905 5779 Riverside 10 mi. w. Coachella 91 Comment
  SDSU18402  Calandrinia ciliata C. Matt Guilliams 2008-2-21 471 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UC1463085  Calandrinia ciliata Arthur S. Barclay and Juan Arguelles 1965-3-27 1895 Riverside vicinity Murrieta (along margins of wheatfields) Comment
  UCR225584  Calandrinia ciliata A. C. Sanders 2011-3-29 38864 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  UCR84588  Calandrinia ciliata Scott D. White, S. Ogg 1994-4-21 1970 Riverside San Bernardino Mountains, Millard Canyon, near stream crossing with US Forest Service Road 2S05, about 4 mi south of Bear Wallow Spring 915 Comment
  VVC421  Calandrinia ciliata F. Zaebst 1959-3-31 s.n. Riverside Santa Ana River Drainage, UC Riverside Campus; 30 yds SW of pond (5 yds NW of water pipe) which is 300 yds NE of Weber Hall. 328 Comment
  RSA666511  Callisia repens A. C. Sanders 2001-11-20 24886 Riverside San Bernardino Valley region: Riverside, yard of house at 422 Campus View Dr. 341 Comment
  UCR60514  Callitriche longipedunculata R. F. Thorne 1973-5-23 43847 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  CLARK-A1528-2363  Callitriche marginata John C. Roos 1952-4-16 5540 Riverside Edgemont Comment
  POM48361  Calocedrus decurrens Philip A. Munz, I. M. Johnston 1924-7-28 8799 Riverside Pine Flats 1738 Comment
  UCR201434  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  SD63338  Calochortus invenustus Walter Bertsch 1957-6-29 948 Riverside Desert slope of Toro Peak, Santa Rosa Mountains. 2660 Comment
  CAS-BOT-BC132440  Calochortus palmeri E. A. McGregor 1941-6-12 28 Riverside Santa Rosa Mt. Comment
  RSA773133  Calochortus plummerae Duncan S. Bell, J. D. England 2010-6-7 1269 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 780 Comment
  UC454390  Calochortus plummerae I. J. Condit 1910-6-21 Riverside San Jacinto Mts. 609 Comment
  UCR261691  Calochortus weedii var. weedii Dick Newell, Judy Booth 2014-6-22 380 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road 0.2 mi. NW of the Morgan Trailhead 872 Comment
  UCR2071  Calycoseris parryi J. Texera 1970-3-27 13 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  CAS-BOT-BC282912  Calycoseris wrightii K. Larson 1977-5-12 60062 B Riverside Ford Dry Lake ca 25 miles W Blythe Comment
  SD45181  Calycoseris wrightii Helen K. Sharsmith 1952-4-11 4064 Riverside Northwest base of Chuckawalla Mountains, 7 miles south of Highway 60-70. 534 Comment
  UCR35073  Calyptridium monandrum L. B. Ziegler 1969-5-27 365 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  UCR57202  Calystegia sepium subsp. binghamiae Marlene Braun 1989-5-28 39 Riverside Hidden Valley Wildlife Refuge, entrance at the end of Mann Ave. in Mira Loma. Follow dirt trail 1/4 mi S to river bottom Comment
  UC1184250  Camissonia Peter H. Raven 1958-3-15 11840 Riverside 4.2 mi e turn to Painted Canyon; Box Canyon Comment
  UCR107408  Camissonia bistorta B. G. Pitzer 1997-3-23 2992 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR52597  Camissonia bistorta Marlyce Myers 1980-4-28 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 518 Comment
  SEINET3093095 Image available Camissonia boothii R. G. Engard, T. Caldwell 1978-4-6 S.N. Riverside 10 miles west of Blythe Comment
  RSA465969  Camissonia boothii subsp. condensata Lester Rowntree 1930-5-7 s.n. Riverside Colorado Desert, Hidden Springs 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
  POM13036  Camissonia brevipes subsp. brevipes P. A. Munz, D. Keck 1922-4-9 4892 Riverside Palm Springs. 457 Comment
  RSA137350  Camissonia californica David Gregory 1958-4-11 2 Riverside Sandy wash in side canyon off Morongo Canyon, northwestern Colorado Desert. Comment
  RSA495452  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2980 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR174119  Camissonia californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32608 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR156458  Camissonia campestris T. B. Salvato, A. C. Sanders 2005-5-17 886 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
  POM126250  Camissonia claviformis subsp. aurantiaca Thomas Craig 1927-2-6 37 Riverside Canyon near Hidden Springs, Colorado Desert. Comment
  RSA135293  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11485 Riverside Salton Sea State Park, east side of Salton Sea. Comment
  RSA145195  Camissonia claviformis subsp. aurantiaca E. G. Linsley, J. W. MacSwain 1959-1-17 58 -16 (17) Riverside 20 miles west of Blythe. Comment
  RSA448932  Camissonia claviformis subsp. aurantiaca G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert. Comment
  SJSU10929  Camissonia claviformis subsp. aurantiaca E. V. Boro 1963-12-24 73 Riverside 5 mi Se of Desert Hot Springs 396 Comment
  POM158464  Camissonia confusa P. A. Munz 1927-5-20 10819 Riverside 10 miles S. of Hemet. Comment
  SEINET3093240 Image available Camissonia confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto Valley; San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  POM13667  Camissonia hirtella P. A. Munz 1922-6-1 5940 Riverside Santa Rosa. 1890 Comment
  RSA343091  Camissonia hirtella Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60623 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  UCR177996  Camissonia hirtella 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
  UCR98114  Camissonia hirtella S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  RSA525263  Camissonia ignota Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4576 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  UCR118661  Camissonia intermedia A. C. Sanders, G. Helmkamp 1997-3-15 19974 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  RSA449242  Camissonia pallida subsp. pallida M. B. Dunkle 1933-3-4 3020 Riverside Devil's Cactus G. Colorado Desert. 30 Comment
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Mar 20 2011
  POM157904  Camissonia strigulosa P. A. Munz 1927-5-20 10817 Riverside 10 miles south of Hemet. Comment
  RSA556435  Camissonia strigulosa Julie Greene 1993-4-17 1188 Riverside San Jacinto Wildlife Area. Flat area west of Davis Rd. 445 Comment
  UCR116791  Camissonia strigulosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24155 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR249836  Camissonia strigulosa T. B. Salvato, John Lovio 2013-3-19 7356 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA559318  Camissonia strigulosa Steve Boyd, T. S. Ross, Dave Bramlet 1993-5-13 7369 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
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Mar 24 2013
  UC147300  Camissoniopsis hirtella H. M. Hall June 1901 2089 Riverside vicinity of Chalk Hill San Jacinto Mountains 1524 Comment
  SBBG34197  Camissoniopsis pallida T. L. Secrest 1951-5-19 Riverside from Idyllwild to Hemet Lake 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
  JEPS31585  Camissoniopsis pallida subsp. pallida W. L. Jepson 1914-5-18 6006 Riverside n Indio; Colorado Desert, Pinon Well grade 762 Comment
  UCR277745  Cardamine Mitch Provance 2011-7-29 17039 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  UCR109622  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1970-3-30 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  UCR188226  Carex Diane Menuz 2006-6-21 177 A Riverside Peninsular Range; Santa Ana Mtns, Santa Rosa Plateau, at intersection of Tenaja Truck Rd. and Ranch Rd. 541 Comment
  UCR59807  Carex barbarae Jeri Hirshberg 1989-7-26 s.n. Riverside Peninsular Range, vicinity of Vail Lake; spring in Butterfield Country Comment
  SD127288  Carex feta Reid Moran 1977-7-4 24296 Riverside Summit of Mount San Jacinto; common among rocks. 3050 Comment
  RSA364677  Carex heteroneura Anstruther Davidson s.n. Riverside Idyllwild. San Jacinto. Comment
  SBBG59305  Carex multicaulis R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  UC837255  Carex nebrascensis P. A. Munz 1922-9-6 6393 Riverside Round Valley San Jacinto Mts. 2743 Comment
  UCR58491  Carex praegracilis Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, Miller Canyon, north of Mesa de Burro 585 Comment
  RSA5906  Carex sartwelliana Carl B. Wolf 1932-8-5 3943 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  RSA126700  Carex senta Peter H. Raven 1959-5-18 s.n. Riverside Lake Fulmor, San Jacinto Mountains Comment
  UCR35297  Carex senta L. B. Ziegler 1970-5-20 406 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  CAS-BOT-BC115976  Carex subfusca A. C. Sanders; S. Boyd 1980-5-19 1502 Riverside San Jacinto Mtns. Garner Valley. Growing beside Herkey Creek where it crosses the road 1325 Comment
  RSA422123  Castela emoryi Anstruther Davidson s.n. Riverside Between Shaver's Well and Desert Center. Comment
  CHSC1694  Castilleja affinis 1940-3-10 Riverside San Jacinto foothills. Comment
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Mar 10 2013
  SD70378  Castilleja affinis L. R. Heckard 1953-5-5 388 Riverside Along California highway 79, 5.7 miles south of Hemet, at edge of hills Comment
  UCR104192  Castilleja applegatei subsp. martini Scott D. White 1997-5-18 5182 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UC1552094  Castilleja applegatei subsp. martinii David Charlton 1988-5-21 1934 Riverside s of Lake Hemet (on Hwy 74, Thomas Mountain Rd, from n to s, w of Garner Valley) 1676 Comment
  RSA769646  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-10 980 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  JEPS32879  Castilleja foliolosa Lloy Thurman 1963-12-15 Riverside 3.6 mi n Whitewater (lower end of Whitewater Canyon); Whitewater Canyon Comment
  RSA400080  Castilleja foliolosa Gale Sphon 1955-5-21 s.n. Riverside 6 miles south of Banning. Comment
  UCR133712  Castilleja martinii N. C. Cooper 1944-4-22 1131 Riverside San Gorgonio Pass, Banning 732 Comment
  RSA741184  Castilleja minor subsp. spiralis Scott D. White, Justin M. Wood 2008-6-16 12116 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UC885440  Castilleja minor subsp. spiralis Crawford and Johnston 1917-6-9 1222 Riverside near Corona; Santa Ana River Comment
  UCSB26902  Castilleja minor subsp. spiralis Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California Highway 74, Santa Rosa Mountains Comment
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Nov 30 2014
  UCD170484  Catalpa bignonioides Mitch Provance; J. George, M. K. Beyers, J. Hazlett 2017-6-6 617- 19 Riverside Temescal Valley: Property on N side of Concordia Ranch Rd. and Temescal Canyon Road, proposed site for SCE substation. 366 Comment
  UCR41536  Caulanthus cooperi A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6052 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  SBBG2587  Caulanthus lasiophyllus H. and M. Dearing 1936-12-12 507 Riverside N of Indio Comment
  RSA543134  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6123 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  JEPS42363  Ceanothus cordulatus W. L. Jepson 1903-8-8 2317 Riverside trail below Round Valley; San Jacinto Mt. 2895 Comment
  RSA489179  Ceanothus crassifolius Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  RSA569994  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7902 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA606764  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27359 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SDSU10288  Ceanothus crassifolius A. H. Gallup 1947-10-30 77 Riverside 3.0 miles N of Rainbow. 732 Comment
  UCR143147  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-23 7901 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  UCR79353  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-1 7722 Riverside Peninsular Range, Vail Lake area, ridge about 1 mi. west of lake, east of 'Little' Oak Mt 610 Comment
  RSA575068  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -M Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA0034415  Ceanothus cuneatus I. W. Clokey, E. N. Anderson 1935-4-16 6733 Riverside East of Hemet 560 Comment
  SD232320  Ceanothus greggii Scott D. White, Justin M. Wood 2009-5-21 12866 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station. 1372 Comment
  UC527223  Ceanothus greggii var. perplexans C. B. Wolf 1931-5-11 Riverside above Hemet Valley (near Pipe Creek.); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  SBBG119994  Ceanothus leucodermis A. C. Sanders with M. Misenhelter 2005-3-23 29263 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  SBBG4361  Ceanothus leucodermis M. Van Rensselaer 1937-7-21 Riverside below Idyllwild Comment
  UCD162843  Ceanothus leucodermis D. O. Burge 2015-3-17 1693 Riverside Rainbow area. 410 Comment
  HSC84221  Ceanothus oliganthus var. sorediatus Dave Hawks 1987-3-2 Riverside S of Hemet, intersection of Palm Ave. and Saddle Ridge Trail 473 Comment
  RSA570223  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7892 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UCR89465  Ceanothus ophiochilus Steve Boyd, K. A. Boyd 1993-3-28 7916 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  RSA0022328  Ceanothus perplexans A. C. Sanders, Mark A. Elvin, Julie M. Vanderwier 2002-4-9 24949 Riverside The Badland: hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont. 610 Comment
  LA212136  Ceanothus tomentosus Fred Schumacher; 1935-3-28 s.n. Riverside 4 mi. N of Beaumont. Comment
  RSA552753  Ceanothus tomentosus var. olivaceus Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6739 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  UCR140872  Centaurea repens John Rimoldi 2004-8-15 s.n. Riverside San Bernardino Valley Region, Arlington area of Riverside, Doolittle Ave., c. 0.5 km NW of Van Buren Blvd. on Doolittle, west of Riverside Airport 226 Comment
  RSA625694  Centaurea solstitialis J. A. Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley, near hwy 215 Comment
  RSA561057  Centaurium venustum Steve Boyd, T. S. Ross, D. Bramlet 1993-5-12 7356 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 366 Comment
  UCR266266  Centromadia pungens subsp. laevis D. E. Bramlet 2006-6-14 4022 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, SW of Hemet, north of Simpson Rd. and east of California Ave. 457 Comment
  UCR266496  Centromadia pungens subsp. laevis Mitch Provance, Matt Amalong 2015-4-6 415- 12 Riverside Temecula/Murrieta Region, About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. 452 Comment
  UCR266905  Centromadia pungens subsp. laevis D. E. Bramlet 2005-7-13 3904 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Bloome Parcel, 2550 ft. north of San Jacinto River, 1580 ft. south of South Contour Rd., 4700 ft. east of Mystic Lake Duck Club 433 Comment
  SD248328  Centromadia pungens subsp. pungens R. E. Riefner Jr. 2012-7-23 12 321 Riverside City of Hemet, ca. 100 yards north of W. Devonshire Ave. and Meyers St. 473 Comment
  RSA596716  Cercocarpus betuloides Louis C. Wheeler 1960-5-11 7693 Riverside San Jacinto Mountains. 1 mi. west of Hurley Flat. Comment
  RSA613143  Cercocarpus betuloides D. L. Banks 1997-3-6 1413 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Area between a newly established firebreak on the south end of the Reservation, west of Magee Truck Trail and upper Pala Creek. 396 Comment
  HSC93131  Chaenactis artemisiifolia Karen Kirtland 1993-4-17 Riverside N of Temecula Comment
  RSA676147  Chaenactis carphoclinia Scott D. White 2001-4-12 8306 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  JEPS5010  Chaenactis carphoclinia var. carphoclinia Rimo Bacigalupi and L. R. Heckard 1953-5-5 4071 Riverside along Morongo Creek Morongo Creek (between Morongo Valley and Coachella Valley) 685 Comment
  POM351669  Chaenactis carphoclinia var. carphoclinia Geo Cantwell, B. C. Templeton 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA176336  Chaenactis carphoclinia var. carphoclinia R. F. Thorne 1963-3-29 32443 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 533 Comment
  UCR30051  Chaenactis carphoclinia var. carphoclinia A. C. Sanders 1983-4-24 3796 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  CAS-BOT-BC276913  Chaenactis fremontii L. R. Abrams 1926-3-25 10995 Riverside Banning Comment
  CAS-BOT-BC276914  Chaenactis fremontii L. R. Abrams 1926-3-27 11123 Riverside Near Whitewater Comment
  POM6509  Chaenactis fremontii Philip A. Munz, L. T. Street, Williams 1919-3-28 2464 Riverside San Gorgonio Pass, near Cabazon Comment
  POM8405  Chaenactis fremontii Mary F. Spencer 1920-4-9 557 Riverside In desert sand. Palm Springs. 122 Comment
  RSA444565  Chaenactis fremontii Walter Wisura 1988-3-23 4209 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  SBBG65675  Chaenactis fremontii M. N. Ackley 1928-3-25 Riverside near Edom 64 Comment
  SBBG7877  Chaenactis fremontii H. and M. Dearing 1937-4-10 2869 Riverside ca. 16 mi N of Indio Comment
  UCR16699  Chaenactis fremontii R. L. Lasby 1969-5-3 16 Riverside San Bernardino Mtns/Colorado Desert, canyon 3 miles NE of Cabezon 671 Comment
  RSA786075  Chaenactis glabriuscula C. P. Cowan 1978-4-23 1217 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  UCR231765  Chaenactis glabriuscula John F. Green 2008-4-23 09- 05 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  UCSB11119  Chaenactis glabriuscula Haines, Bruce 1962-5-5 Riverside 6.6 miles south of Banning on Banning to Idyllwild Road 1158 Comment
  CAS-BOT-BC277552  Chaenactis glabriuscula var. lanosa L. R. Abrams 1926-3-25 11000 Riverside Near Banning Comment
  CAS-BOT-BC277556  Chaenactis glabriuscula var. lanosa Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  JOTR29611  Chaenactis stevioides Andre, Jim 2006-4-26 6749 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  RSA777815  Chaenactis stevioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 853 B Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  SBBG54443  Chaenactis stevioides S. See 1958-3-29 196 Riverside Joshua Tree Nat Monument at Fried Liver Wash 548 Comment
  RSA559924  Chaenactis stevioides var. stevioides Steve Boyd, Carol Boyd, K. A. Boyd 1992-4-19 6913 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  JEPS8902  Chaenactis xantiana Marjorie D. Clary 1932-5-26 1652 Riverside Pleasant Valley Colorado Desert, , Hexie Mt. 1066 Comment
  SEINET3228135  Chamaesyce micromera G. Rink, T. Thomas and K. Routson 2012-9-2 11658 Riverside McCoy Solar Power Plant (proposed) about 10 miles northwest of Blythe 170 Comment
  UCR245992  Chamaesyce micromera Duncan S. Bell 2012-9-13 4175 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  JOTR28794  Chamaesyce polycarpa La Doux, Tasha 2005-3-30 1063 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA689556  Chamaesyce polycarpa Scott D. White, Michael Honer 2003-4-25 9126 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA781419  Chamaesyce polycarpa Duncan S. Bell 2011-10-22 2999 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCSB54160  Chamaesyce polycarpa McKinley, Gale 1985-3-27 Riverside 1/2 mile N of site #9 in Ryan Campground in Joshua Tree National Monument 1280 Comment
  RSA522311  Chamaesyce prostrata Steve Boyd 1989-7-9 3781 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  POM296326  Chamaesyce setiloba L. S. Rose 1946-12-23 46302 Riverside Cathedral Canyon Wash. 183 Comment
  RSA518277  Chamaesyce setiloba A. C. Sanders 1989-9-19 9509 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  RSA778526  Chamaesyce setiloba Amber Swanson, Linda Jean Foster 2011-10-8 630 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  UCR80727  Chamelaucium uncinatum Steve Boyd 1989-4-14 3248 Riverside Peninsular Range, W side Hwy 15, 0.5 mi. south of Rainbow Exit, south of Temecula Comment
  UCR100163  Cheilanthes clevelandii Scott D. White 1992-12-16 984 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  CAS-BOT-BC70037  Cheilanthes covillei Frank W. Peirson 1922-4-10 s.n. Riverside Murray Canyon, Palm Springs Region 457 Comment
  RSA291610  Cheilanthes covillei C. W. Tilforth 1979-2-11 1744 Riverside Whitewater Canyon, east of Morongo Indian Reservation 441 Comment
  RSA675698  Cheilanthes covillei Scott D. White 2001-5-1 8437 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UC42440  Cheilanthes covillei S. B. Parish and W. F. Parish July, 1880 Riverside San Jacinto Mts Comment
  UCR178965  Cheilanthes covillei Mitch Provance, Tracy Tennant 1998-6-16 MOR- 398 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  UC2015694  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. Comment
  JOTR34127  Cheilanthes parryi Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21085 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  UC336622  Cheilanthes parryi C. C. Parry and J. G. Lemmon Apr. 1876 3 Riverside Mt San Jacinto; Colorado Desert Comment
  UC494456  Cheilanthes parryi Philip A. Munz 1932-5-14 11987 Riverside Deep Canyon; Coachella Valley 91 Comment
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Feb 3 2013
  UCR282307  Cheilanthes parryi Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 814 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 396 Comment
  UCR280934  Chenopodium album Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 04 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  SD234366  Chenopodium strictum Mitch Provance 2003-6-7 7607 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  UCR113599  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23682 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  RSA340186  Chilopsis linearis W. A. Tilforth 1980-5-28 54178 Riverside San Bernardino Mts: Rocky, W-facing slope of Whitewater ridge above old bridge. Comment
  SEINET269562  Chilopsis linearis subsp. arcuata Scott D. White 1996-5-27 4075 Riverside E. of Moreno Valley and S.of Calimesa between State Hwy. 60 and Gilman Spr. Rd. west and north of former gravel quarry 518 Comment
  UCR264246  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2015-9-10 41841 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon near top of alluvial fan, beside Summit Rd. c. 1.15 mi. below the old train trestle 213 Comment
  JEPS58874  Chimaphila umbellata Carl V. Meyer 1928-6-14 451 Riverside canyon near Saunder's Meadow (San Jacinto Mt.); San Jacinto Mt. 1737 Comment
  SEINET3004919  Chloracantha spinosa G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10337 Riverside Canal two miles north of Blythe. 70 Comment
  SEINET238916  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area: Diamond Valley along State Street (R3) ca. 1/2 mi. N of Newport Rd. S of Hemet (Hemet 7. 488 Comment
  SEINET236365  Chorizanthe brevicornu Scott D. White, Pam Devries 1998-2-9 6078 Riverside Coachella valley La Quinta/Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing 30 Comment
  RSA392606  Chorizanthe brevicornu var. brevicornu M. B. Dunkle 1935-4-17 4559 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA392614  Chorizanthe brevicornu var. brevicornu N. C. Cooper 1949-4-8 3304 Riverside Desert Center. 610 Comment
  SBBG87405  Chorizanthe brevicornu var. brevicornu A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6011 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UC70080  Chorizanthe corrugata E. E. Schellenger Apr. 1905 Riverside Santa Maria Mountains Colorado Desert, Santa Maria Mountains Comment
  SD181401  Chorizanthe fimbriata Scott D. White 2000-5-3 7763 Riverside Temecula area: near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly south of Red Hawk subdivision 351 Comment
  UCR116696  Chorizanthe fimbriata George K. Helmkamp 1974-7-16 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  UCD99719  Chorizanthe fimbriata var. laciniata Geoffrey Levin 1975-4-5 495 Riverside Dripping Springs Forest Service Station, Cleveland Natl. Forest. 487 Comment
  UCR168812  Chorizanthe parryi Scott D. White, Michael Honer 2003-6-17 9544 Riverside S Perris Basin, Murrieta. Interstate 215 / Clinton Keith interchange 457 Comment
  UCR217497  Chorizanthe polygonoides var. longispina Jeff B. Galvin 2008-5-7 042 Riverside Santa Ana Mtns, San Mateo Cyn (West), 1.1km west of Wildomar Rd., and 500m southwest of Tenaja Trail 655 Comment
  CAS-BOT-BC246240  Chorizanthe rigida Frank W. Peirson 1922-4-11 2863 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs 243 Comment
  JEPS57723  Chorizanthe rigida W. L. Jepson 1927-4-12 11665 Riverside Mecca Hills Painted Canyon, Mecca Hills 76 Comment
  UC168815  Chrysolepis sempervirens A. W. Anthony 1895-7-6 Riverside San Jacinto Mtns. 2743 Comment
  RSA696812  Chrysothamnus paniculatus W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  UC68583  Chylismia cardiophylla subsp. cardiophylla H. M. Hall Apr. 1905 5822 Riverside Indio Mt. Colorado Desert 152 Comment
  CAS-BOT-BC160620  Chylismia claviformis subsp. aurantiaca Cecil Hart 1926-2-1 s.n. Riverside Palm Springs Comment
  UCD103919  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11570 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA77693  Cirsium ochrocentrum E. Bridges 1952-8-28 s.n. Riverside field at Beumont Comment
  POM222558  Cirsium scariosum P. A. Munz 1941-5-18 16654 Riverside North end of Santa Rosa Ranch, Elsinore Mountains 854 Comment
  RSA123073  Cistanthe monandra H. S. Yates 1937-3-23 6405 Riverside Two miles north of Palm Springs 213 Comment
  SEINET270810  Cistanthe monandra Richard J. Shaw 1958-4-6 1101 Riverside Joshua Tree National Monument ; Roade between White Tank Campground and South entrance of the Monument. Comment
  CAS-BOT-BC162601  Clarkia E. W. Lathrop 1974-6-4 7401 Riverside 3 miles SW of Corona, Hagador Canyon, Cleveland Nat'l. Forest, Trabuco District - Santa Ana Mountains 274 Comment
  UCR57226  Clarkia Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  SBBG104720  Clarkia purpurea M. A. Patten 1992-5-28 92 -11 Riverside just E of Temecula, between Pauba Rd and De Portola Rd; W boundary of site adjacent to Butterfield Stage Rd 365 Comment
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Aug 24 2013
  UCR111985  Clarkia purpurea subsp. quadrivulnera A. C. Sanders, T. B. Salvato 2000-5-25 23417 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
  CLARK-A1528-648  Clarkia unguiculata Frank Ambrey 1959-4-26 Riverside Riverside Comment
  RSA802419  Claytonia parviflora Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5020 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  SD138016  Claytonia parviflora subsp. viridis Darin L. Banks 1995-5-3 240 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along Arroyo Seco 512 Comment
  UCR195112  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  RSA440812  Cleome isomeris Robert L. Dressler 1949-3-19 432 Riverside Coxcomb Mountains, 23 miles NE of Desert Center Comment
  SBBG35139  Cleome lutea T. L. Secrest 1948-4-7 Riverside ca. 5 mi below Whitewater Comment
  RSA747876  Cnicus benedictus Justin M. Wood 2009-5-15 714 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  LA36246  Coleogyne ramosissima Elizabeth McClintock; 1946-5-4 sn Riverside Joshua Tree National Monument, Los Horse Well Comment
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Feb 23 2014
  UCR244399  Coleogyne ramosissima Jim Andre 2012-4-16 20980 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  JEPS24217  Collinsia concolor Peter H. Raven 1958-5-18 12969 Riverside on road to Hemet 2.3 mi from Mountain Center; San Jacinto Mountains Comment
  RSA0117439  Collinsia concolor Scott D. White, Michael Honer 2003-4-9 8995 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  SD244244  Collinsia concolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40744 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-5 Freeway, southeast of Corona (Lee) Lake (Aberhill 7.5') 377 Comment
  SJSU11586  Collinsia concolor N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 3.5 mi E of E shore, Lake Elsinore Comment
  UCR91685  Collinsia concolor Steve Boyd 1995-4-24 8478 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  RSA0018455  Collinsia concolor Keith E. Hoffmaster 1937-6-6 773 Riverside San Jacinto Mountains. Comment
  UCR169394  Collinsia heterophylla T. B. Salvato, John F. Green 2004-5-27 596 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA28642  Colubrina californica A. M. Alexander, Louise Kellogg 1941-5-20 2206 Riverside 5.2 miles northwest of Desert Center, Eagle Mountain pumping station road. 457 Comment
  SBBG71425  Colubrina californica I. M. Johnston 1930-6-15 Riverside N of Mecca-Blythe Rd at SW end of Eagle Mtns Comment
  SD244236  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40508 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, south of the Chuckwalla Mountains, along Bradshaw Trail 1 km southeast of Augustine Road junction, large wash on southwest side of road (Augustine Pass 7.5') 694 Comment
  SD122941  Convolvulus arvensis Steve Boyd 1985-7-23 1003 Riverside 5.2 miles west of Rancho California on De Luz Road. 395 Comment
  HSC85286  Convolvulus simulans Steve Boyd 1986-5-1 1787 Riverside SW Perris Basin: Hill W of Skunk Hollow. Comment
  UCR189783  Convolvulus simulans Diane Menuz 2006-4-21 049 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, near Mesa de Burro, on and north of Waterline Road 570 Comment
  POM1812  Corallorhiza maculata I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  UC455185  Corallorhiza maculata I. J. Condit 1910-6-23 Riverside Tahquitz Valley San Jacinto Mts. 2438 Comment
  UCR164284  Cordylanthus rigidus S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCR227807  Cordylanthus rigidus Duncan S. Bell, Joy England 2010-6-7 1271 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.4 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 775 Comment
  SFV13135  Cordylanthus rigidus subsp. setigerus M. J. Thor 1982-9-16 124 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  LA205801  Corethrogyne filaginifolia Harlan Lewis; 1939-10-23 1023 Riverside 1523 Comment
  POM356107  Corethrogyne filaginifolia Norman C. Cooper 1943-9-11 902 Riverside San Jacinto Mtns. below Idlewild. 1067 Comment
  UC1605404  Corethrogyne filaginifolia Steve Boyd 1994-10-14 8401 Riverside San Mateo Canyon n Tenaja Canyon (along Fisherman's Camp Trail); Southern Santa Ana Mountains, Cleveland NF, San Mateo Canyon 451 Comment
  UCSB6469  Corethrogyne filaginifolia Kamb, Peter 1949-10-30 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UCSB4670  Cornus sericea DeWitt, Jack 1959-5-17 Riverside At Dark Canyon Camp grounds; near Idyllwild; San Jacinto Mtns. 1524 Comment
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Nov 5 2018
  UCR207549  Coronilla O. F. Clarke 2004-2-4 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  UCR132417  Cortaderia selloana A. C. Sanders 2004-2-6 27382 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  SBBG12462  Coryphantha alversonii H. and M. Dearing 1942-4-8 4873 Riverside 30 mi N of Blythe, Riverside Mtns Comment
  SEINET5765987  Covillea tridentata George B. Grant 1906-5-1 229 -6724 Riverside Colorado desert at Palm Springs, southern California Comment
  RSA618003  Crassula aquatica R. E. Riefner 1998-4-22 98 -295 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  HSC85412  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR226071  Crassula connata A. C. Sanders, T. B. Salvato 2011-4-1 38940 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  UC1121548  Crocanthemum scoparium var. vulgare A. E. Wieslander 1929-1-25 39 Riverside Bautista Creek San Jacinto Quad. 762 Comment
  POM153341  Crossosoma bigelovii Martha Hilend 1928-3-11 s.n. Riverside Morongo Pass, Colorado Desert region. Comment
  RSA770782  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4604 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA778142  Croton californicus J. Andre 2011-2-2 16215 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UCR114846  Croton californicus Mitch Provance 1998-2-17 55 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. .3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  OBI23286  Cryptantha Robert F. Hoover 1969-4-14 11234 Riverside Palm Springs, just S of city limit Comment
  UCR193744  Cryptantha A. C. Sanders, Mitch Provance 2008-7-11 35747 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  RSA5166  Cryptantha angustifolia C. B. Wolf 1932-4-26 2977 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  SEINET3350020  Cryptantha angustifolia Stephen Hale 2012-1 4813 Riverside Black Point Mesa, Big Maria Mts., 0.25 mi. W SR 95, 15 Mi. N Blythe. 185 Comment
  SJSU11501  Cryptantha angustifolia C. K. Schroen 1964-5-24 Riverside by Hwy 89 c. 12 mi S of Mecca 60 Comment
  UC857309  Cryptantha angustifolia P. A. Munz, D. Keck 1922-4-8 4744 Riverside 0.5 mi e Indio -9 Comment
  POM98737  Cryptantha angustifolia P. A. Munz 1926-1-31 9974 Riverside Dos Palmas Spring Comment
  SEINET10939654  Cryptantha angustifolia David B. Dunn 1946-3-15 Dunn 2028 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  POM368281  Cryptantha barbigera Christopher Davidson 1979-4-4 7713 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  RSA680923  Cryptantha barbigera Scott D. White, Michael Honer 2003-5-14 9278 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  SBBG63623  Cryptantha barbigera E. Rockwell -Jan-1926 32 Riverside near Palm Springs 138 Comment
  UCR163919  Cryptantha barbigera A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29138 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  SDSU20599  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2006-3-11 981 Riverside North of I-10 at West Palm Springs along Tamarck Road from Pacific Crest Trail crossing east 0.1 miles to Cottonwood Road junction. 418 Comment
  SBBG53391  Cryptantha cycloptera J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UCR38135  Cryptantha decipiens J. M. Stewart 1985-3-16 s.n. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  RSA796504  Cryptantha holoptera J. Andre 2012-3-19 21382 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  UC100864  Cryptantha holoptera H. M. Hall Apr 1905 5788 Riverside 10 mi w Coachella; Colorado Desert, Marshall Canyon 91 Comment
  CSUSB1179  Cryptantha intermedia M. H. Frost 1954-6-6 S. N. Riverside San Jacinto Mountains San Jacinto Mountains 1371 Comment
  POM12900  Cryptantha intermedia P. A. Munz 1922-7-3 5950 Riverside Vandeventer Flat 1372 Comment
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May 1 2011
  POM293650  Cryptantha intermedia Lyman Benson 1946-4-15 12027 Riverside 2 miles east of Banning, Colorado Desert 609 Comment
  RSA683088  Cryptantha intermedia Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8664 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA709643  Cryptantha intermedia J. 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. 1372 Comment
  UC402774  Cryptantha intermedia C. F. Baker 1903-4-5 4138 Riverside Hemet Comment
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Mar 24 2011
  UC857163  Cryptantha intermedia Mary F. Spencer 1992-4-23 2063 Riverside near Banning; Millard Canyon 716 Comment
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Mar 13 2011
  UCR133047  Cryptantha intermedia Jeri Hirshberg 1989-3-20 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, c. 0.5 mile (air) south of Mesa de Burro, just north of Mesa de la Punta 610 Comment
  OBI35028  Cryptantha maritima Sears 1978-3-18 926 Riverside 3 mi E of Corn Spring, 9 mi SE of Desert Center, T6S, R16E, sec 23 366 Comment
  UC1063826  Cryptantha maritima H. S. Yates 1937-3-24 6460 Riverside Deep Canyon Thermal Quad. 609 Comment
  UCR50380  Cryptantha maritima F. R. Fosberg 1930-3-9 S- 01557 Riverside Western Colorado Desert, Devil's Garden; between Morongo Wash and Whitewater Wash. Comment
  POM47498  Cryptantha micrantha Mary F. Spencer 1920-3-16 1515 Riverside Mecca -60 Comment
  RSA314632  Cryptantha micrantha R. F. Thorne, Drs Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55426 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA715092  Cryptantha micrantha Sarah J. De Groot, J. Mark Porter 2006-3-14 5202 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  UC1241172  Cryptantha micrantha Peter H. Raven 1959-5-18 14241 Riverside Lake Fulmor Comment
  UC24836  Cryptantha micrantha Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  POM48717  Cryptantha micrantha var. lepida P. A. Munz, I. M. Johnston 1924-7-29 8843 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UCD84936  Cryptantha micrantha var. micrantha Chuck Hughes 2010-3-23 208 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  IRVC26262  Cryptantha microstachys A. C. Sanders, D. Malueg 2003-5-8 26572 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek Perris-Aguanga Basin region 396 Comment
  POM157916  Cryptantha microstachys P. A. Munz 1927-5-20 10822 Riverside 10 miles S. of Hemet. Comment
  RSA525672  Cryptantha microstachys Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4543 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
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Aug 22 2008
  SD247355  Cryptantha microstachys A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35583 Riverside San Jacinto Mountains: Coldwater Creek watershed, ca. 1.25 miles ENE of Mountain Center, nameless tributary to Coldwater Creek, north of Johnson Meadow, above mapped spring. 1524 Comment
  UCR177829  Cryptantha microstachys 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 1098 Comment
  VVC125  Cryptantha microstachys A. C. Sanders, J. Mac 1997-5-4 20647 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UCR43754  Cryptantha muricata A. C. Sanders, B. Pitzer 1986-4-30 6492 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  SEINET3084440 Image available Cryptantha nevadensis B. Pitzer 1998-1-24 3383 .1 Riverside N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  RSA0078922  Cryptantha pterocarya var. pterocarya Scott D. White 2001-4-12 8299 Riverside Colorado Desert: Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UC1601965  Cryptantha pterocarya var. purpusii H. M. Hall May 1899 1161 Riverside between San Jacinto Mt. and El Toro Mt. (at Van Deventer's Ranch); San Jacinto Mountains 1371 Comment
  POM13261  Cryptantha racemosa E. C. Jaeger 1922-3-4 1109 Riverside Painted Canyon near Mecca. Comment
  RSA0121054  Cryptantha utahensis Duncan S. Bell, LeRoy Gross 2016-3-29 9116 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA0123679  Cryptantha utahensis Duncan S. Bell, LeRoy Gross 2016-3-9 8862 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  UC667346  Cryptantha utahensis Annie M. Alexander and Louise Kellogg 1941-5-7 2136 Riverside Split Rock, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
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Oct 23 2011
  UCR279564  Cryptantha utahensis A. C. Sanders, Jim Malusa 2017-3-29 43171 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UC1122823  Cucurbita foetidissima A. Lewis May 1934 465 Riverside Temecula R. Elsinore Quad., Temecula R. Comment
  UCR77763  Cucurbita foetidissima Steve Boyd 1991-9-8 6431 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  UCR188887  Cucurbita palmata D. E. Bramlet 2007-7-27 4111 Riverside Peninsular Range; Perris-Aguanga Basin, Lakeview Mountains, 732 m southwest of Juniper Springs Road, and 1.83 km east of Hansen Avenue 543 Comment
  RSA263654  Cupressus forbesii E. W. Lathrop 1977-4-20 7607 Riverside Beford Truck Trail of the Cleveland Nat'l. Forest, Trabuco District. 3.8 miles below the Main Divide Truck Trail and the North side of the Bedford Truck Trail. 914 Comment
  RSA71010  Cuscuta californica F. W. Peirson 1921-4-13 2399 Riverside Deep Canyon; north base of Santa Rosa Mountains, Riverside. 152 Comment
  POM158190  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1928-9-6 11275 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCR127528  Cuscuta denticulata Bern Schwenn 1994-3-21 s.n. Riverside Transverse Range/Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of Pushawalla Canyon 549 Comment
  UCR151122  Cuscuta subinclusa Scott D. White 1998-10-13 7182 Riverside Peninsular Ranges/Santa Ana Mtns region, Corona, near Bedford Canyon; ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same 366 Comment
  UCSB42263  Cycloloma atriplicifolium Roos, John 1965-9-26 Riverside Indio Comment
  UCR2292  Cynodon dactylon F. M. Reed 1903-11-29 83 Riverside Riverside, Ramona Ranch [Blaine St. between Chicago and Iowa, at or near the arroyo crossing] 293 Comment
  UCR208621  Cyperus difformis O. F. Clarke 2004-8-22 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the dog park [Carlson Park] and Mission Blvd. bridge, NW foot of Mt. Rubidoux 238 Comment
  POM10323  Cyperus esculentus Anonymous s.n. Riverside Below West Riverside bridge. Comment
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Mar 15 2014
  RSA502523  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3578 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR441  Cyperus niger var. capitatus O. F. Clarke 1974-11-14 s.n. Riverside Riverside, Santa Ana Riverbottom Park Comment
  CDA2604  Cyperus rotundus Steve Boyd 1989-7-9 3774 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  POM11135  Cystopteris fragilis P. A. Munz 1922-7-6 5988 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  CAS-BOT-BC198201  Cytisus striatus A. C. Sanders; Chet McGaugh 1991-7-19 11142 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 347 Comment
  UCR235348  Dalea Kai T. Palenscar 2010-7-22 s.n. Riverside Riverside, UCR Agricultural Operations fields, near office off M.L. King Blvd., along main E-W road beside canal 311 Comment
  CLARK-A1528-5057  Dalea emoryi Christopher L. Moser 1981-12-27 Riverside Cathedral City Comment
  JEPS20762  Dalea mollis Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13243 Riverside 11.3 mi. n. Blythe (Hwy U.S. 95); wash arising in Big Maria Mts. Comment
  UC196584  Dalea mollis Joseph Grinnell 1910-3-18 Riverside Riverside Mt. Colorado R., Riverside Mt. Comment
  RSA799253  Dalea mollissima Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 751 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  UCR139724  Dalea mollissima B. G. Pitzer 1989-4-15 1289 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Ridgeline Road, c. 0.5 km west of Gasline Road, 5.5 km (airline) SE of Tabaseca Tank 680 Comment
  CAS-BOT-BC283041  Dasyochloa pulchella Welder 1907-4-1 s.n. Riverside Murray Wash, Palm Springs Comment
  RSA774925  Dasyochloa pulchella Duncan S. Bell 2011-4-7 2167 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  POM48728  Datisca glomerata P. A. Munz, I. M. Johnston 1924-7-29 8833 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  SBBG128112  Datisca glomerata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49547 Riverside Ortega Hwy (74), ca. 3 mi SSW of El Cariso, near jct of Decker and Morrell Cyns; Santa Ana Mtns Comment
  UCR89708  Datura discolor J. M. Stewart 1990-10-22 664 Riverside Sonoran (Colorado) Desert, Ford Dry Lake off I-10, c. 4 mi. west of Wiley Well Rd Comment
  UCR480  Datura wrightii Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, About 3 mi east of Mecca on Box Canyon Road 0 Comment
  UCR104945  Daucus pusillus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20684 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  CAS-BOT-BC334480  Deinandra paniculata R. E. Riefner, Jr. 2010-6-5 10 -50 Riverside City of Riverside, Sycamore Canyon Park, W ca 0.5 mi from Cottowood Ave. and Sycamore Canyon Blvd. 135 Comment
  RSA0012175  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  SD234297  Deinandra paniculata Kent Beaman 1998-9-1 Riverside Peninsular Range; Gavilan Plateay: west of Perris off Ellis Rd., Santa Rosa Mine Rd., near Maywood 518 Comment
  UCD131168  Deinandra paniculata A. C. Sanders 2004-6-30 28397 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, 1 mile east of Murrieta Road and 1 mile north of Bundy Canyon Road, ca. 5 miles due soutn of Sun City. 470 Comment
  UCR16947  Delphinium parishii D. H. Wilken 1966-3-26 770 Riverside Sonoran (Colorado) Desert/ San Bernardino Mtns., East ridge along Whitewater Canyon 610 Comment
  UC1785047  Delphinium parishii subsp. parishii Marjorie Clary 1932-4-7 818 Riverside Mission Creek, Morongo, W side Colorado Desert Comment
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Jan 8 2017
  RSA12912  Delphinium parryi Carl B. Wolf 1935-4-7 6302 Riverside 2 mi. SW of Perris. 427 Comment
  RSA395914  Delphinium parryi Steve Boyd 1986-4-22 1766 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA69412  Delphinium parryi F. W. Peirson 1922-5-18 3051 Riverside Lake Elsinore, Riverside Co. Comment
  UCR21932  Delphinium parryi Steve Boyd 1980-5-2 157 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA563901  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  UCR143105  Deschampsia danthonioides Steve Boyd, D. E. Bramlet 1996-4-19 8599 Riverside San Jacinto Valley, c. 2 air mi NE of Winchester and 0.5 mi west of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Ave., north of Stetson Ave, west of Metropolitan WAter District canal. 457 Comment
  UC1563122  Descurainia pinnata Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3242 Riverside se of lake near Temecula Creek (Butterfield Valley); Vail Lake Area, Butterfield Valley 487 Comment
  RSA741111  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-17 12161 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA433554  Dicentra chrysantha Gale Sphon 1959-5-2 318 Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA771749  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4611 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA367460  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-3-24 1001 Riverside Banning. 701 Comment
  SDSU12912  Dichelostemma capitatum subsp. capitatum Jutta Buschbom 1991-5-1 2 Riverside SE-Slope, N-Border of the Reserve, beyond an avocado-grove, ca. 500 m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve. Comment
  UCR18534  Dichelostemma capitatum subsp. capitatum A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  OBI26119  Dicoria canescens David J. Keil 1976-12-12 11928 Riverside along I-10, 37 mi E of Chiriaco Summit Comment
  RSA770883  Dicoria canescens Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4639 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG8045  Dicoria canescens H. and M. Dearing 1940-11-10 5014 Riverside near Whitewater Comment
  SFV9394  Dicoria canescens M. L. Vincent, R. H. Swade 1963-10-19 464 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  CAS-BOT-BC292247  Dieteria asteroides var. asteroides A. J. McClatchie 1896-3-31 1132 Riverside Along road, San Jacinto Comment
  CAS-BOT-BC292248  Dieteria asteroides var. asteroides H. M. Hall 1901-8-1 2648 Riverside San Jacinto Comment
  UC29875  Dieteria asteroides var. asteroides H. M. Hall Aug. 1901 2648 Riverside San Jacinto Comment
  UCR2641  Digitaria sanguinalis F. M. Reed 1904-8-23 644 Riverside South Coast; San Bernardino Valley, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  SD186336  Diplacus aurantiacus Andy C. Sanders 2004-4-20 27534 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego County line 640 Comment
  CAS-BOT-BC150931  Diplacus bigelovii var. bigelovii Peter H. Raven 1958-1-24 11451 Riverside Fargo Canyon Comment
  SD132999  Diplacus longiflorus Scott White 1991-5-13 91 101 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  SD122437  Diplacus puniceus Duffie Clemons, J. Dice, G. Keator 1988-2-18 1944 Riverside alongside jeep trail leading into Santa Margarita Ecological Preserve west of Temecula Comment
  UCR232079  Distichlis spicata John F. Green 2008-4-22 06- 07 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  UCR104602  Ditaxis californica James C. Dice, C. Barrows, K. Nicol, I. Eleck 1997-11-6 97116 - Riverside Coachella Valley, La Quinta, just west of Avenida Montezuma and Calle Nogales, E foot of Indio Mtn. 61 Comment
  RSA0002645  Ditaxis claryana Marjorie D. Clary 1932-12-16 1707 Riverside Ten miles west of Coachella, foot of Santa Rosa Mountains. -14 Comment
  RSA668431  Ditaxis lanceolata S. Granger 1979-4-12 s.n. Riverside Chuckawalla Mountains. 610 Comment
  SEINET3197205 Image available Ditaxis lanceolata Andrew C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37492 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  JOTR30266  Ditaxis neomexicana Leary, Pat, Ed Rossick 1987-5-16 3824 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash, 5m from Ruby Lee Mine trailhead, T4S R11E sec1 (unsurveyed) [UTMs estimated, January 2010] Comment
  RSA421750  Ditaxis neomexicana Robert L. Dressler 1952-4-19 1210 b Riverside Just south of Vidal Junction. Comment
  RSA778414  Ditaxis neomexicana Stephanie Rockwood, Christi Gabriel 2011-10-4 053 Riverside Red Cloud Wash Road exit from I10. Fellow Red Cloud Road approximately 6.4 miles. Near campground with car remnants. Chuckwalla Bench ACEC. 630 Comment
  UCR97439  Ditaxis neomexicana A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19685 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Murray Canyon off Palm Canyon 244 Comment
  JOTR33809  Ditaxis serrata var. californica La Doux, Tasha, B. Truesdell 2007-11-9 3326 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Canyon, near mouth of canyon along south park boundary (STOP 3) 635 Comment
  RSA0019474  Dithyrea californica J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24390 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA663845  Dithyrea californica C. R. Annable 1995-3-16 2296 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  UC572414  Dithyrea californica H. S. Yates 1937-3-23 6406 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCR249501  Dithyrea californica T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7292 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA783371  Dodecatheon alpinum J. D. Olmsted 1959-7-7 753 Riverside Northern extension of Skunk Cabbage Meadow; 4.5 miles east of Idyllwild 2424 Comment
  UC456194  Dodecatheon alpinum I. J. Condit 1910-6-21 Riverside Tahquitz Camp San Jacinto Mts., Tahquitz Camp 2438 Comment
  POM370052  Draba cuneifolia var. integrifolia Lester H. Cushman 1932-2-22 14918 Riverside Eden [Eden Hot Springs? -SW] Comment
  CAS-BOT-BC535004  Drymocallis glandulosa var. reflexa H. M. Hall 1901-6-1 2204 Riverside San Jacinto Mountains, Southern California, vicinity of Strawberry Valley 1615 Comment
  UCR21967  Dudleya lanceolata Steve Boyd 1980-5-17 285 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR3186  Dudleya lanceolata Chuck Elliott 1964-5-7 s.n. Riverside Riverside, 1 mi past end of Canyon Crest Road west. 305 Comment
  RSA570733  Dudleya pulverulenta Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8202 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  RSA791724  Dudleya saxosa subsp. aloides R. F. Thorne 1995-3-29 63016 Riverside White Water Canyon. 600 Comment
  JOTR33717  Echinocactus polycephalus var. polycephalus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1210 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 2 mi northeast of Cottonwood Visitor Center 984 Comment
  SEINET8060733 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 19 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
  UCR95726  Echinochloa crus-galli D. L. Banks, Lauren Raz 1996-8-29 1134 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  UC581339  Eclipta prostrata George Black 1937-11-26 Riverside Riverside, canal along Santa Fe tracks near Pachappa Station Comment
  UCR25217  Elatine brachysperma John C. Roos 1937-8-18 2538 Riverside San Jacinto Mtns, Hidden Lake Comment
  RSA234014  Elatine californica R. F. Thorne, E. W. Lathrop 1969-5-12 37921 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California. 624 Comment
  SJSU8873  Eleocharis geniculata R. L. MacDonald 1962-4-19 Riverside Thousand Palms Oasis 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
  UCR154935  Eleocharis macrostachya A. C. Sanders, Kelly Volansky 2005-3-17 29234 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
  CAS-BOT-BC33440  Eleocharis montevidensis var. disciformis Harvey Monroe Hall 1901-6-1 2013 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  CAS-BOT-BC113296  Eleocharis parishii Steven D. Boyd; Aydee Virgen 2004-4-13 10880 Riverside San Mateo Canyon, midway between confluence with Los Almos and Tenaja Canyons. Comment
  SD137988  Eleocharis parishii Darin L. Banks, Steve Boyd 1995-5-3 219 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR169395  Eleocharis parishii T. B. Salvato, John F. Green 2004-5-27 605 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
  RSA652205  Ellisia chrysanthemifolia Dolores Perez 1981-4-11 13 Riverside Cajalco Rd., between I-15 and Temescal Canyon Rd. Comment
  SD137953  Elymus X gouldii Darin L. Banks, Steve Boyd 1995-10-17 779 Riverside Agua Tibia Wilderness Area: Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E 512 Comment
  RSA741059  Elymus elymoides Scott D. White, Justin M. Wood 2008-6-5 12066 Riverside Quinn Flat Meadow. 1372 Comment
  SEINET251712  Elymus glaucus Unknown 2004-5-27 646 Riverside San Bernadino Mountains; Head of Banning (San Gorgonio River) Canyon close to the San Bernadino Co. line, 0.5 mi SE of Oak Glen Conservation Camp (Forest Falls 7.5' Q). 1402 Comment
  UCR240647  Elymus glaucus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 413 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  CAS-BOT-BC206525  Elymus glaucus subsp. glaucus Steve Boyd; Tim Ross 1992-5-4 7203 Riverside Sourthern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero 731 Comment
  UCR24987  Elymus glaucus subsp. glaucus A. C. Sanders 1980-7-18 1653 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  HSC101780  Elymus hispidus J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13203 Riverside 1470 Comment
  RSA444571  Emmenanthe penduliflora Walter Wisura 1988-3-23 4215 Riverside In wash along trai aproaching 49 palms oasis, Joshua Tree National Comment
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Sep 7 2013
  UCR906A  Emmenanthe penduliflora S. Riddell 1973-5-17 7 Riverside Santa Ana Mtns, Hwy 74, 8.8 mi west of Hwy 71-74 junction, west of Elsinore 640 Comment
  SBBG35073  Emmenanthe penduliflora var. penduliflora T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  SD112394  Encelia actoni Darley F. Howe 1936-6-14 361 Riverside San Jacinto Mountains Comment
  UCR140293  Encelia actoni A. C. Sanders 2004-4-9 27468 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  CAS-BOT-BC131314  Encelia farinosa B. Pitzer 1997-3-23 2997 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 610 Comment
  HSC84149  Encelia farinosa H. A. Heaton 1987-3-5 17 Riverside San Jacinto Mtns., 0.9 mi. up Bee Canyon from Hwy. 74 503 Comment
  RSA593975  Encelia farinosa D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0960 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
  SDSU3839  Encelia farinosa H. Wedberg 1962-4-20 903 Riverside 1.3 miles from Cranston Ranger Station on road to Mountain Center, Idyllwild Mountains. 732 Comment
  UCR227183  Encelia farinosa Jim Andre 2011-2-9 15933 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR97691  Encelia farinosa A. C. Sanders, G. Helmkamp 1997-3-15 19966 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  POM356679  Encelia farinosa var. farinosa E. A. McGregor 1964-3-24 s.n. Riverside Painted Canyon, S of Desert Center. Comment
  POM356697  Encelia farinosa var. farinosa A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  CAS-BOT-BC81543  Ephedra californica H. M. Hall 1905-5-2 5979 Riverside Chuckawalla Peak Comment
  JOTR34111  Ephedra californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2743 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR282410  Epilobium brachycarpum Mitch Provance 2009-7-1 709- 08 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  UCR141233  Epilobium canum A. C. Sanders, Mike Misenhelter 2004-10-6 28834 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  RSA588601  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 812 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  RSA314465  Epilobium canum subsp. latifolium Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55401 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  UCR90591  Epilobium ciliatum Scott D. White 1995-6-29 3408 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  UC56487  Epilobium ciliatum subsp. ciliatum E. E. Schellenger July, 1901 Riverside Thompson's Springs Comment
Read comments
Mar 22 2014
  UCR18395  Epilobium hallianum A. C. Sanders 1978-9-3 468 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA449951  Epilobium pygmaeum J. C. Roos 1952-6-18 5779 Riverside A drying vernal pool in Edgemont. 457 Comment
  CLARK-A1528-7851  Epipactis gigantea John C. Roos 1948-5-15 3838 Riverside Eagle Mountains Comment
  JOTR32412  Eragrostis cilianensis Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 3 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  UCR92261  Eragrostis cilianensis Michael A. Patten 1995-1 s.n. Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margin of Lakeview Mtns. north of Florida Avenue (SR 74) and west of California Avenue 500 Comment
  RSA129660  Eragrostis mexicana subsp. virescens H. S. Yates 1937-6-28 6744 Riverside Near Indio. 30 Comment
  UCR93087  Eragrostis minor A. C. Sanders, S. Ogg 1994-7-28 15173 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UC871302  Eremalche exilis C. L. Hitchcock 1940-4-4 5960 Riverside Pinto Basin Comment
  UCR20767  Eremalche exilis A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1333 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
  UCR279385  Eremalche exilis A. C. Sanders, Jim Malusa 2017-3-24 42955 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA4888  Eremalche rotundifolia Carl B. Wolf 1932-4-27 3004 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  SJSU5748  Eremalche rotundifolia R. C. McGehee 1970-4-15 192 Riverside Wiley Well, 26 mi SE of Blythe Comment
  CLARK-A1528-2642  Eremocarpus setiger John C. Roos 1965-7-27 Riverside Elsinore Comment
  CAS-BOT-BC160065  Eremothera boothii subsp. condensata Carl B. Wolf 1932-4-29 3110 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  UCR279339  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-23 42951 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  SEINET6075229  Eriastrum densifolium Unknown 1959-7-15 17762 Riverside Anza Valley. Comment
  SDSU3046  Eriastrum densifolium subsp. elongatum S. J. Banrhart 1966-4-24 Riverside 1 mile east of McAllister Street along the Metropolitan Water Co. Utility Road (Dirt). which is 1.5 miles south-east of the intersection of McAllister Street and Victoria Avenue. 457 Comment
  SEINET3218487 Image available Eriastrum eremicum Peter L. Morrell, D. E. Krause 1995-5-1 460 Riverside Sonoran (Colorado) Desert; Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd., near cargo entrance to Palm Springs Municipal Airport (Palm Springs 7.5' Q.) 123 Comment
  SD28074  Eriastrum eremicum subsp. eremicum Carl B. Wolf 1932-5-25 3678 Riverside North base of San Jacinto Mountains; Snow Creek Canyon, 1.0 mile below fish hatchery. 395 Comment
  UC667329  Eriastrum eremicum subsp. eremicum Annie M. Alexander and Louise Kellogg 1941-5-23 2219 Riverside 4 mi ne Cottonwood Spring; Colorado Desert, Eagle Mountains 1112 Comment
  SEINET4207490  Eriastrum harwoodii Duncan S. Bell 2010-5-1 903 Riverside Arica Mountains: northwest of mountain range, approximately 8.6 air miles west of the ghost town of Rice, and approximately 6.8 air miles northwest of Priests Well.; 0 286 Comment
  JEPS69085  Eriastrum sapphirinum subsp. dasyanthum P. A. Munz 1923-6-14 7103 Riverside East or Glen Ivy Hot Springs side Santa Ana Mts., Santiago Peak 914 Comment
  JEPS122467  Eriastrum sapphirinum subsp. sapphirinum J. M. Andre 2012-6-15 30544 Riverside San Jacinto Mountains; west slopes of range slong Poppet Flat Road, Poppet Creek Canyon, 3.2 miles west of Highway 243. Lake Fulmor 7.5' Q. Comment
  RSA0122963  Eriastrum sapphirinum subsp. sapphirinum LeRoy Gross, Duncan S. Bell 2008-9-16 3581 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  UCR85285  Ericameria cuneata Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, north side of Hexie Mtns, near Hidden [and Stirrup] Tanks 1067 Comment
  POM359409  Ericameria linearifolia Mark Morris 1929-3-17 14925 Riverside Palm Canyon. Comment
  RSA645614  Ericameria linearifolia Scott D. White, Steve Ogg 1994-4-21 1981 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  SD84904  Ericameria linearifolia Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-30 491 Riverside West of Sugarloaf Mountain along Carrizo Road. 1220 Comment
  UC36548  Ericameria linearifolia H. M. Hall 1899-5-23 1140 Riverside Kenworthy San Jacinto Mountains, Kenworthy (opening to desert, among rocks) 1219 Comment
Read comments
Mar 25 2011
  UCR174948  Ericameria linearifolia Jennifer H. Jones, Toby Bartels 2006-4-23 274 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  RSA602647  Ericameria nauseosa var. bernardina Scott D. White 1996-8-16 4488 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  CAS-BOT-BC299120  Ericameria nauseosa var. mohavensis Edmund C. Jaeger 1938-10-21 s.n. Riverside Joshua Tree National Monument, 15 miles S of Warren's Well, Little San Bernardino Mts 1280 Comment
  RSA594499  Ericameria palmeri var. pachylepis D. L. Banks, Rashmi Pant 1996-5-13 1011 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric, arkose ridge, approximately 100 m E of the Dripping Springs Guard Station, just S of Hwy. 500 Comment
  RSA504552  Erigeron foliosus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  RSA525419  Erigeron foliosus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4527 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA735928  Erigeron foliosus Scott D. White, Justin M. Wood 2008-5-29 12045 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UCR264075  Erigeron foliosus S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1079 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  JEPS41521  Erigeron foliosus var. foliosus W. L. Jepson 1914-5-25 6078 Riverside San Timoteo Canyon Comment
  RSA777166  Erigeron foliosus var. foliosus Steve Boyd, Valerie L. Soza 2004-6-22 11548 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
  UCR19767  Erigeron foliosus var. foliosus W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1768 Comment
  UCR24000  Eriochloa aristata John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio -3 Comment
  UCSB51409  Eriochloa aristata Roos, John 1965-9-26 Riverside Indio Comment
  CSUSB104  Eriodictyon crassifolium Kheng Try Seng 1966-4-13 660413 13 Riverside Santa Ana Mountains Northeast slope of Santa Ana Mountain. End of Main Street, 4 miles from downtown Corona. 457 Comment
  POM3885  Eriodictyon crassifolium Robinson, Crocker 1916-3-20 s.n. Riverside Santa Ana Mts. Comment
  POM3890  Eriodictyon crassifolium I. M. Johnston 1917-4-4 1072 Riverside Palm Canyon 229 Comment
  POM8683  Eriodictyon crassifolium P. A. Munz, R. D. Harwood 1920-2-28 3262 Riverside 2 mi. southeast of Corona, 305 Comment
  RSA161231  Eriodictyon crassifolium Peter H. Raven 1959-4-23 14017 Riverside 1.2 miles west of Dripping Springs. Comment
  RSA455024  Eriodictyon crassifolium H. de Forest 1933-4-17 17595 Riverside Chino Canyon, Colorado Desert. Comment
  RSA696347  Eriodictyon crassifolium Kenneth Beard 1934-03 s.n. Riverside Corona Sky-line drive Comment
Read comments
Oct 31 2011
  UC495189  Eriodictyon crassifolium Philip A. Munz 1932-4-24 12390 Riverside Snow Creek Canyon; San Jacinto Mts., Snow Creek Canyon 457 Comment
  UCD119240  Eriodictyon crassifolium R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga. Comment
  SDSU65  Eriodictyon crassifolium var. crassifolium Gerald Collier 1951-5-26 Riverside 15 miles east of Hemet. Dry rocky slopes. St. Hwy. 74. SanJacinto Mountains. San Bernadino National Forest. Comment
  UCR35118  Eriodictyon crassifolium var. nigrescens L. B. Ziegler 1969-7-5 399 Riverside San Jacinto Mtns., side canyon on E side of and above Hemet (Garner) Valley, on the old Morris Ranch 1616 Comment
  RSA757788  Eriodictyon trichocalyx var. trichocalyx LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4299 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCSB9700  Eriodictyon trichocalyx var. trichocalyx Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon Comment
  UCR111261  Eriogonum apiculatum Ralph Hoffmann 1929-9-7 s.n. Riverside San Jacinto Mountains, Fuller's Mill Comment
  UCR24319  Eriogonum apiculatum John C. Roos 1937-8-18 2532 Riverside San Jacinto Mountains, Above Idyllwild Comment
  POM306135  Eriogonum davidsonii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1326 Riverside Santa Rosa Mountains. Comment
  UC574954  Eriogonum davidsonii C. Epling, Wm. Robison 1933-6-26 Riverside Lost Horse Well Little San Bernardino Mountains, Lost Horse Well Comment
  RSA747795  Eriogonum deflexum Scott D. White, Justin M. Wood 2009-3-24 12564 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA792483  Eriogonum deflexum Justin M. Wood, Dustin Ray 2011-4-28 3843 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  SBBG61985  Eriogonum deflexum R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  RSA393275  Eriogonum deflexum var. baratum E. C. Jaeger 1922-3-16 s.n. Riverside Painted canyon, near Mecca. 91 Comment
  JEPS20728  Eriogonum deflexum var. deflexum Roxana S. Ferris and Rimo Bacigalupi 1958-3-19 13258 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property); Little Maria Mts. Comment
  JEPS35731  Eriogonum deflexum var. deflexum Marjorie D. Clary 1932-5-8 1093 Riverside Beal to Wiley Well; Colorado Desert, Chocolate Mts. 152 Comment
  RSA413256  Eriogonum elongatum James C. Dice, J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 kilometers NNW of Royal Oak Ranch. 380 Comment
  UCR41374  Eriogonum elongatum N. M. Fellows 1985-1-5 54 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  CAS-BOT-BC249761  Eriogonum elongatum var. elongatum John Green 2003-8-15 s.n. Riverside Santa Ana Mtns.: Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  LA25970  Eriogonum fasciculatum var. polifolium H. Lewis; 1941-8-1 sn Riverside San Jacinto Mountains, Herkey Creek Camp Ground, near Keen Camp Comment
  UC64569  Eriogonum gracile H. M. Hall 1897-8-29 866 Riverside Riverside Comment
  UCR107227  Eriogonum gracile Steve Boyd, L. Arnseth, T. S. Ross 1989-6-10 3660 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  SEINET5329485  Eriogonum gracile J. L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and aboot 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp, Comment
  RSA239200  Eriogonum gracile var. gracile James L. Reveal, Caroline G. Reveal 1972-8-9 2856 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild Comment
  UCR21845  Eriogonum gracile var. gracile Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  SD187458  Eriogonum gracile var. incultum Scott D. White, Angelia Carey 2004-9-16 10767 Riverside San Jacinto Mountain Foothills, San Jacinto River wash near Indian Creek confluence 502 Comment
  UCR235045  Eriogonum gracile var. incultum A. C. Sanders, John F. Green 2012-6-1 40225 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon Rd., 0.25 km NW (312 deg. ) of El Hermano Rd intersection 310 Comment
  UCR69795  Eriogonum gracile var. incultum A. C. Sanders, Chet McGaugh 1991-7-19 11140 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  CAS-BOT-BC257580  Eriogonum inflatum L. R. Abrams 1926-3-27 11124 Riverside Near Whitewater Comment
  VVC412  Eriogonum inflatum W. W. Mayhew 1959-2-4 s.n. Riverside Colorado Desert, 6 miles SE of Midland 228 Comment
  RSA0054925  Eriogonum inflatum W. Marquart 1938-3-12 s.n. Riverside Mule Mts. South of Chuckawalla Range. Comment
  CAS-BOT-BC263119  Eriogonum maculatum Peter H. Raven 1958-5-18 12989 Riverside Pinon [Pinyon] Flats, San Jacinto Mountains Comment
  JEPS56775  Eriogonum maculatum Marjorie D. Clary 1932-6-5 1020 Riverside 15 mi nw Indio (Dead Indian Trail); Colorado Desert 243 Comment
  CAS-BOT-BC270592  Eriogonum molestum H. M. Hall 1901-7-1 2386 Riverside San Jacinto Mountains 1615 Comment
  RSA0005084  Eriogonum nodosum var. jaegeri E. C. Jaeger 1921-11-15 251 Riverside Morongo Wash near Hole-in Wall Spring. Comment
  JOTR32630  Eriogonum plumatella La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2553 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  JOTR36391  Eriogonum plumatella La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3344 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  UC667265  Eriogonum reniforme Annie M. Alexander and Louise Kellogg 1941-5-15 2178 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  JOTR28876  Eriogonum thomasii La Doux, Tasha, Bill Truesdell 2004-3-17 1111 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  SBBG81367  Eriogonum thomasii S. A. Junak 1983-3-23 1635 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SEINET3523387 Image available Eriogonum thomasii Jim Andre, T. La Doux 2009-3-10 11237 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood (Cottonwood Basin 7.5' Q). 542 Comment
  UC1930209  Eriogonum thomasii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11213 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Comment
  UC310593  Eriogonum thomasii Philip A. Munz 1926-1-31 9971 Riverside Dos Palmos Spring Colorado Desert, Dos Palmos Spring Comment
  CAS-BOT-BC262872  Eriogonum thurberi Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  RSA527848  Eriogonum thurberi Scott D. White 1991-5-13 91 -117 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  SEINET6894828  Eriogonum thurberi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  CLARK-A1045-213  Eriogonum trichopes George K. Helmkamp 1979-4-18 Riverside Indio Hills Dillon Road at dry wash; Lost Horse Mtn. 15'Q Comment
  RSA0026120  Eriogonum trichopes Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24384 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA593382  Eriogonum wrightii var. membranaceum Scott D. White 1996-7-23 4363 Riverside San Jacinto/ Santa Rosa Mountains: Pine Meadow: Along Hwy 74 just SE of Garner Valley and about 2 road miles NW of jct. w/ Hwy 371. 1418 Comment
  SD229230  Eriogonum wrightii var. membranaceum Dick Schwenkmeyer 2012-8-28 822 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
  CAS-BOT-BC261931  Eriogonum wrightii var. subscaposum J. Ewan 1930-8-31 2133 Riverside North rim Tahquitz Valley, San Jacinto Mts. 2651 Comment
  RSA766282  Eriogonum wrightii var. subscaposum Joseph A. Ewan 1930-8-31 2133 Riverside N rim of Tahquitz Valley. San Jacinto Mtns. 2652 Comment
  RSA182342  Eriophyllum ambiguum var. paleaceum J. D. Olmsted 1962-5-1 3432 Riverside W slope below Falls Plateau, Snow Canyon N of Mt. San Jacinto. 793 Comment
  RSA715348  Eriophyllum confertiflorum A. C. Sanders, Teresa B. Salvato, Kelly Volansky 2006-5-28 32670 Riverside 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
  SEINET3101915  Eriophyllum confertiflorum Marc A. Baker, with Michelle Cloud-Hughes 2011-6-10 17357 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain Comment
  SEINET7073391  Eriophyllum confertiflorum A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC31708 Image available Eriophyllum confertiflorum E. L. Koethen 1897-8-1 20 Riverside Riverside Comment
  UCR142191  Eriophyllum confertiflorum June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  CAS-BOT-BC301785  Eriophyllum multicaule L. R. Abrams 1935-4-7 13671 Riverside Gavilan Hills, 2 mi. SW. of Perris Comment
  SEINET7073292  Eriophyllum multicaule A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  POM14085  Eriophyllum wallacei P. A. Munz, D. D. Keck 1922-4-14 4981 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM358157  Eriophyllum wallacei Norman C. Cooper 1945-5-6 2264 Riverside Banning 701 Comment
  RSA628478  Eriophyllum wallacei A. C. Sanders 1994-5-29 14579 Riverside East Branch Millard Canyon, along Forest Service Road 4S45. 1200 Comment
  SD185134  Eriophyllum wallacei T. B. Salvato, Kent Beaman 2005-5-16 764 Riverside San Jiaconto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA. Highway 74. 548 Comment
  UC896375  Eriophyllum wallacei Lewis S. Rose 1937-4-9 37090 Riverside Cabazon 563 Comment
  RSA0046828  Eriophyllum wallacei Tamara Joy Hanna 1991-5-4 16 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  UCR149781  Erodium brachycarpum Scott D. White, Michael Honer 2004-4-6 10055 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  SEINET8553362  Erodium cicutarium H. M. Hall 1903-1 3809 Riverside Vicinity of Riverside, in the Sonoran Zone 396 Comment
  UC2029929  Erodium macrophyllum Steve Boyd, Valerie Soza 2001-4-12 10401 Riverside SANTA ANA MOUNTAINS - GAVILAN HILLS REGION: Temescal Canyon, terrace escarpment just south of De Palma Road between Indian Wash and Horsethief Wash Comment
  RSA703302  Erodium texanum Valerie L. Soza 2003-3-15 s.n. Riverside Orocopia Mountains. Comment
  UCR241543  Erodium texanum A. C. Sanders, Ann Howald 2013-2-27 40541 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UC729822  Erysimum capitatum Carl B. Wolf 1932-8-4 3910 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  JEPS53569  Erysimum capitatum var. capitatum Carl V. Meyer June 1927 170 Riverside Saunder's Meadow San Jacinto Mt Comment
  UCSB2347  Erysimum capitatum var. capitatum Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA0020251  Erythranthe floribunda Henry J. Ramsey 1937-5-30 2120 Riverside Santa Rosa Mountains. Comment
  RSA0020241  Erythranthe floribunda Kenneth Burden 1949-7-4 s.n. Riverside Damp soil along trail between Idyllwild to Tahquitz Meadow. 2134 Comment
  SDSU13596  Erythranthe guttata W. Miller, C. Mosse 1972-7-12 Riverside Comment
  SDSU14002  Erythranthe guttata Jonathan S. Austin, Michael G. Simpson 2002-4-20 22 Riverside About 50 feet from parking area off Tornado road. Riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 229 Comment
  RSA0014888  Erythranthe tilingii G. R. Campbell 1948-7-4 616 Riverside On streambank at Azalea Trails Girl Scout Camp, near Idyllwild. Comment
  RSA0014890  Erythranthe tilingii Charlotte M. Wilder s.n. Riverside Tahquitz. San Jacinto Mountains. Comment
  JOTR30147  Eschscholzia La Doux, Tasha 2008-2-4 1711 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA0022927  Eschscholzia androuxii P. A. Munz 1952-4-15 17343 Riverside Wash ca. 3 mi. west of Monument Peak, Joshua Tree National Monument 1128 Comment
  RSA433689  Eschscholzia californica N. C. Cooper 1944-4-22 1139 Riverside Banning. 762 Comment
  UCR22132  Eschscholzia californica Steve Boyd 1980-5-3 175 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  CAS-BOT-BC83131  Eschscholzia minutiflora Annie M. Alexander; Louise Kellogg 1941-5-15 2179 Riverside North base of Eagle Mountains. 914 Comment
  CAS-BOT-BC83128  Eschscholzia minutiflora Carl B. Wolf 1932-4-29 3106 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 miles south of Browns Weel. 243 Comment
  SEINET5340013  Eschscholzia minutiflora N. H. Holmgren, Patricia Kern Holmgren; Ruth E. Kern 1973-3-21 6449 Riverside Blythe-Rice road, 17 airline miles north-northwest of Blythe. 259 Comment
  RSA0023219  Eschscholzia papastillii Jim Andre, G. L. Clifton 2011-2-22 17459 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  RSA444327  Eschscholzia parishii Walter Wisura 1988-3-1 4195 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  UC1060520  Eschscholzia parishii Richard Snow 1953-4-5 50 Riverside Corn Spring Comment
  UC635608  Eschscholzia parishii H. L. Mason 1928-3-10 4244 a Riverside road from Indio to Palm Springs Comment
  UCR16457  Eschscholzia parishii Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon about 8 miles east of Mecca 274 Comment
  UCR167412  Eschscholzia parishii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR216220  Eschscholzia parishii Jim Andre, T. La Doux 2009-2-25 10804 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCSB3658  Eschscholzia parishii Sager, Ginny 1960-4-2 Riverside Morongo Valley Comment
  SEINET3840909  Eucalyptus cadens Unknown 1992-3-14 12061 Riverside University of California Moreno Valley Field Station, Mareno Valley, Paul Moore's experimental woodlots; eastern of the two lots, near the intersection of Oliver Street and Kennedy Drive, seventeenth tree from north in ninth row from the east, Quadrangle: Sunnymead 7.5 476 Comment
  RSA522740  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3847 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
  UCR250317  Eucrypta chrysanthemifolia A. C. Sanders 2014-4-8 40971 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  RSA614403  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks 1997-3-16 1536 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  RSA703488  Eucrypta micrantha LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1427 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA791459  Eulobus californicus Keith E. Hoffmaster 1935-3-31 687 Riverside Palm Springs. CD1. Comment
  CAS-BOT-BC202785  Euonymus occidentalis var. parishii S. B. Parish; W. F. Parish 1881-7-25 957 Riverside San Jacinto Mt. Comment
  UCR264217  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-9-10 41864 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  SD181560  Euphorbia parishii Scott D. White 1999-4-20 7279 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95, ca. 7 miles north of Interstate 10. 89 Comment
  UCR89557  Euphorbia polycarpa George K. Helmkamp 1994-3-10 42- 4 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  RSA278962  Euphorbia polycarpa var. hirtella B. A. Prigge, L. Martinez 1978-3-23 2407 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
  UCD142683  Euphorbia prostrata Louis C. Wheeler 1964-10-10 8634 Riverside 3030 Oak Ave., Corona. Comment
  UCR3222  Euphorbia prostrata O. F. Clarke 1970-9-20 s.n. Riverside City of Riverside, O.F. Clarke residence, 1012 Spruce Street [now the site of an apartment complex, 2001]. 305 Comment
  UC1931118  Euphorbia serpillifolia subsp. hirtula Scott D. White, Justin Wood 2008-6-18 12237 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Comment
  SEINET13945547 Image available Fagonia laevis J. C. Roos 1965-1 sn Riverside Lost Palm Canyon, Eagle Mts., Colorado Desert Comment
  CHSC8316  Ferocactus cylindraceus Edward L. Smith 1957-4-3 231 Riverside 1 mi. off hwy. 99 to 29 Palms, San Bernardino Mts. 91 Comment
  UCR125218  Festuca myuros var. myuros Mitch Provance 1998-5-5 522 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  UCR126260  Festuca octoflora Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  UCR174603  Festuca octoflora A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32490 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR275448  Festuca octoflora Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-31 942 Riverside Sonoran (Colorado) Desert, wash crossing Midland-Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  RSA524600  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3915 Riverside Vail Lake area, summit of 'Big' Oak Mt., N of lake 793 Comment
  RSA682167  Filago arizonica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10482 -B 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
  UCR228912  Filago arizonica A. C. Sanders 2011-4-7 39031 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake, near canyon crossing at Glen Eden 384 Comment
  RSA339694  Filago californica R. F. Thorne, C. W. Tilforth 1980-5-28 54216 a Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCR213571  Filago californica A. C. Sanders, Matthew Malle 2010-4-23 38001 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR274190  Filago gallica T. B. Salvato, Gregg Miller 2005-6-7 1436 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA674549  Filago gallica Scott D. White 2000-5-1 7752 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  CAS-BOT-BC183402  Fouquieria splendens James R. Shevock 1986-3-23 11353 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  RSA0018452  Frangula californica subsp. cuspidata T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 132 Riverside San Bernardino National Forest. 14.5 mile S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  RSA0018440  Frangula californica subsp. cuspidata W. Pequegnat 1940-12-27 s.n. Riverside Santiago Peak, Santa Ana Mountains. Comment
  SD197786  Frankenia salina Karin Cleary-Rose, G. Nhun 1995-7-20 Riverside West edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Highway 74 and Whittier Avenue, at south end of Hyatt Avenue, west of the San Diego Aqueduct 456 Comment
  UCR199568  Fraxinus velutina Scott D. White, Angelia Carey 2004-7-2 10598 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA712545  Funastrum cynanchoides var. cynanchoides T. B. Salvato, Kent Beaman 2005-5-16 791 Riverside San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  HSC99155  Funastrum cynanchoides var. hartwegii Paul J. CaraDonna 2009-3-15 120 Riverside Cholla Gardens, Joshua Tree National Park Comment
  RSA342005  Funastrum cynanchoides var. hartwegii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin 1980-4-16 54111 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  SEINET10546252  Funastrum hirtellum Charles L. Hitchcock 1932-4-7 Hitchcock 12199 Riverside Corn Springs, eastern Riverside Comment
  UCR112980  Gaillardia pulchella Mitch Provance 1998-6-20 754 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
  RSA609658  Galium andrewsii subsp. andrewsii R. S. Woglum 1937-5-22 554 Riverside Santa Rosa Mountains. Comment
  RSA753481  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2009-5-21 12865 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  RSA673471  Galium angustifolium Scott D. White, Tasha La Doux 2000-4-20 7716 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UCR174037  Galium angustifolium A. C. Sanders 2006-5-19 32435 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR180698  Galium angustifolium Mitch Provance 2003-4-26 9881 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR271515  Galium angustifolium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8357 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
  RSA34586  Galium angustifolium subsp. angustifolium N. C. Cooper 1944-5-6 1186 Riverside Banning. 732 Comment
  SBBG47440  Galium angustifolium subsp. angustifolium N. C. Cooper 1944-7-15 1539 Riverside Idlewild 1524 Comment
  RSA779947  Galium angustifolium subsp. gracillimum Duncan S. Bell, Jennifer Pilapil 2011-5-19 2477 Riverside A small side canyon off of Mission Creek canyon approximately 3.5 air miles up canyon from the junction of Highway 62 and Mission Creek Road; just northwest of gaging station. 795 Comment
  POM48868  Galium angustifolium subsp. jacinticum Philip A. Munz, J. M. Johnston 1924-7-26 8702 Riverside Near Dark Canyon, San Jacinto Mts. 1524 Comment
  UCR4674  Galium angustifolium subsp. jacinticum Frank C. Vasek 1964-7-25 640725- 25 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  RSA615100  Galium aparine D. L. Banks 1997-3-29 1579 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
  RSA716392  Galium aparine Scott D. White, Angelia Carey 2004-4-5 9983 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA706290  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1279 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  UCR92044  Galium nuttallii Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3346 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
  HSC19819  Galium nuttallii subsp. nuttallii C. L. Hitchcock, C. V. Muhlick 1964-3-17 23104 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  UCR89531  Galium stellatum Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  RSA775604  Galium stellatum var. eremicum Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 997 Riverside Iron Mountains, on southwest side of mountains in wash. 423 Comment
  CLARK-A1528-7747  Garrya flavescens John C. Roos 1950-5-6 4788 Riverside Santa Ana Mountains 1036 Comment
  POM261681  Garrya flavescens var. pallida W. Pequegnat 1940-12-27 s.n. Riverside Between Trabuco and Santiago Pks., Santa Ana Mts. 1311 Comment
  UCSB45571  Gastridium phleoides Roos, John 1939-5-27 Riverside Reche Canyon Comment
  UCR17017  Gayophytum heterozygum Harlan Lewis, M. Lewis 1962-8-2 1306 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Road, Pine Cove, 0.4 mi west of Idyllwild-Banning Road Comment
  SEINET10492283  Gayophytum nuttallii David B. Dunn 1946-8-17 Dunn 2686 Riverside Grass near stream at camp in taquity valley damp meadow area. San jacinto mountains. 2438 Comment
  UCR92036  Gazania linearis Scott D. White 1995-7-7 3461 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA651116  Geraea canescens Fred Watkins 1949-2-16 s.n. Riverside Palm Springs. 609 Comment
  UCR134611  Geraea canescens Marisa Sripracha, Kyle Boyd 2004-2-14 018 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  RSA395906  Gilia angelensis Steve Boyd 1986-4-22 1776 Riverside Gavillian Hills: Plateau remnant on ridge E of Estelle Mountain, S of Dawson Canyon. Comment
  RSA556489  Gilia angelensis Julie Greene 1993-3-13 1061 Riverside On slope by trailers. 426 Comment
  RSA645681  Gilia angelensis Scott D. White 1999-5-2 7289 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  RSA85116  Gilia angelensis J. C. Roos 1952-4-2 5460 Riverside Box Springs Comment
  UCR167533  Gilia angelensis Scott D. White 2005-3-29 10833 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR178281  Gilia angelensis T. B. Salvato, Tracy Tennant 1998-1 MOR- 801 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near sag pond at Burro Flats, tree stand P-11 1098 Comment
  UCR207246  Gilia angelensis O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 424 Comment
  UCR274294  Gilia angelensis T. B. Salvato, Gregg Miller 2005-6-7 1444 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR48387  Gilia angelensis Steve Boyd 1986-4-22 1776 Riverside Gavilan Hills, Plateau remnant of ridge east of Estelle Mountain, south of Dawson Canyon. 671 Comment
  RSA731011  Gilia australis Michael Wall 2008-4-4 455 Riverside San Jacinto Valley, Bautista Creek east of Hemet ca. 8.0 miles SE of junction with Fairview Ave. 778 Comment
  RSA470272  Gilia capitata subsp. abrotanifolia Jean Carnine 1932-2-28 s.n. Riverside Santa Ana River Comment
  RSA67077  Gilia capitata subsp. abrotanifolia Verne Grant, Alva Grant 1951-6-4 16010 Riverside Small canyon 2 mi. s. of Temecula on Hwy 395. 335 Comment
  POM97005  Gilia capitata subsp. abrotanifolia P. A. Munz 1926-5-2 10425 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  UCR18186  Gilia diegensis A. C. Sanders 1978-4-30 492 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  UCR64606  Gilia diegensis H. M. Hall 1904-5-19 4949 Riverside Santa Ana River Valley, Fairmount Park Comment
  RSA777651  Gilia latifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 773 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  SEINET12278786  Gilia latifolia S. B. Parish, Parish, W. F. 1880-1 253 Riverside White Water Rio Comment
  UCR103996  Gilia maculata George K. Helmkamp 1998-4-3 3070 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  RSA771756  Gilia modocensis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4633 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC407609  Gilia ochroleuca subsp. exilis E. A. McGregor 1941-6-12 14 Riverside Idyllwile, San Jacinto Mountains Comment
  CAS-BOT-BC407622  Gilia ochroleuca subsp. exilis Frank W. Peirson 1928-3-24 7725 Riverside Temescal Canyon, near auto camp 304 Comment
  RSA0016298  Gilia ochroleuca subsp. exilis R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55504 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UC737092  Gilia ochroleuca subsp. exilis Frank W. Gould 1943-4-17 2108 Riverside on Elsinore Road on sandy lowland flats 12 mi s Corona; s of Corona Comment
  RSA0016280  Gilia ochroleuca subsp. exilis C. W. Tilforth, B. Busenberg 1980-6-10 1992 Riverside Along Thomas Mtn. Rd., west of Hwy 74 and south of Lake Hemet. Comment
  JOTR35153  Gilia stellata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3265 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA0124746  Gilia stellata Duncan S. Bell, LeRoy Gross 2016-3-9 8839 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UC908852  Gilia stellata John Thomas Howell 1928-3-25 3541 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  UCR244401  Gilia stellata Jim Andre 2012-4-16 20983 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  CAS-BOT-BC123839  Gilia tenuiloba Samuel Bonsal Parish 1880-7-1 689 Riverside San Jacinto Mts. Comment
  UCR178206  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  RSA747280  Gnaphalium Orlando Mistretta 1992-6-10 521 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  RSA500118  Gnaphalium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3693 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR137713  Gnaphalium californicum D. L. Banks 1997-3-29 1561 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR175077  Gnaphalium californicum Teresa Nieto 2005-4-24 20 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA160475  Gnaphalium luteoalbum J. D. Olmsted 1959-4-17 405 Riverside Main Knobcone pine grove around edges, NE ridge from Sugarloaf Peak, along Main Divide TT 1/2 mile E of turn off the Radar Station, Santa Ana Mtns 1159 Comment
  UCR20326  Gnaphalium palustre John C. Roos 1952-6-8 5742 Riverside canyon 4 mi NW of Moreno 640 Comment
  SEINET3071480  Grusonia parishii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17497 Riverside Queen Mountain quadrangle, zone 11 0584612mE 3763271mN NAD83, Queen Valley, 14.5 km SSW of Twenty Nine Palms, 2.2km south of Negro Hill 1354 Comment
  RSA778237  Guillenia lasiophylla Duncan S. Bell 2009-3-8 42 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA778251  Guillenia lasiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 918 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR260529  Gutierrezia sarothrae T. B. Salvato 2014-5-29 8041 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  SEINET6428806 Image available Haplopappus linearifolius Norman C. Cooper 1944-5-20 1230 Riverside Pine Flats, Palms to Pines Hwy. 1219 Comment
  SEINET11849224  Haplopappus linearifolius E. A. Purer 1935-1 6445 Riverside Pine Valley, Pines & Palms Highway Comment
  UCR14479  Harpagonella palmeri O. F. Clarke 1973-4-19 s.n. Riverside Peninsular Range, Calvert property, Lake Skinner 610 Comment
  UCR59758  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3045 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  RSA0066613  Harpagonella palmeri F. W. Peirson 1922-5-19 3029 Riverside 2.5 miles NE of Murrieta on the road to Perris. Comment
  RSA0094790  Hedypnois cretica Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7935 A Riverside San Gorgonio Pass area, between Cabazon and Whitewater, about a 1/2 mile south of Interstate 10, just to the east of a section of the wind farm. 416 Comment
  UCR113895  Hedypnois cretica Mitch Provance 1998-4-14 440 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  UCR126490  Hedypnois cretica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16291 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
  RSA17257  Helianthemum scoparium var. aldersonii C. B. Wolf 1936-6-17 7956 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  JEPS8949  Helianthus annuus Rimo Bacigalupi with G. T. Robbins 1954-5-16 4469 Riverside one-half mi w Lakeview (just e of Lakeview (formerly Ginsberg) Hot Springs); valley of San Jacinto River 432 Comment
  RSA701470  Helianthus annuus Michael Wall 1996-7-6 193 Riverside San jacinto Valley, W side of Ramona Expressway n swale, 0.75 mi SE of Sanderson Ave. Comment
  SEINET2052416 Image available Helianthus annuus var. lenticularis Richard L. Irwin 1962-4-24 52 Riverside In canyon on Box Springs Mts., about 100 yds from RR -- E. of University of Califonria, Rvierside and shortly N. of of Big 'C 396 Comment
  UC895530  Helianthus gracilentus E. C. Jaeger 1921-6-6 Riverside McMullen Trail San Jacinto Mts., McMullen Trail 822 Comment
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Nov 5 2011
  UCR164067  Helianthus gracilentus John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  CAS-BOT-BC305764  Helianthus niveus J. C. Roos 1965-4-28 s.n. Riverside Palm Springs Comment
  UCR225741  Heliotropium curassavicum A. C. Sanders, T. B. Salvato 2011-3-30 38890 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR248086  Heliotropium curassavicum Duncan S. Bell 2012-9-13 4192 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  JOTR32390  Heliotropium curassavicum var. oculatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2494 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
  UCD132956  Helminthotheca echioides A. C. Sanders 2000-11-15 23725 Riverside Perris-Aguanga Basin region: Moreno Valley, east side of ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth. 476 Comment
  SEINET2052675 Image available Hemizonia fasciculata Steven J. Southwell 1971-5-25 Riverside E. side of Pidgeon Pass Rd. approx. 3 miles N of Hwy 74. 609 Comment
  CLARK-A1528-1919  Hemizonia kelloggii John C. Roos 1943-7-15 2731 Riverside San Timoteo Canyon Comment
  RSA885  Hemizonia kelloggii J. T. Howell 1928-7-8 1042 Riverside Near Glen Ivy. 396 Comment
  UCR140717  Hemizonia kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR235092  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-6-1 40224 Riverside Peninsular Range; Santa Ana Mtns. Region, old railroad grade in hills between I-15 and Temescal Canyon Rd., 0.6 km WNW (295 deg. ) of El Hermano Rd. junction with Temescal Cyn. Rd. 324 Comment
  UCR274307  Hemizonia kelloggii T. B. Salvato, Melissa Clemons 2005-6-6 1428 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR132828  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, Mitch Provance 1998-10-25 22271 Riverside San Jacinto Mtns., Mt. Edna Road, c. 0.2 mi. west of Hwy 243 1159 Comment
  UCR193745  Hemizonia mohavensis A. C. Sanders, Mitch Provance 2008-7-11 35749 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  RSA727715  Hemizonia paniculata R. E. Riefner 2006-9-19 06 -444 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River. 301 Comment
  UCR131799  Hemizonia paniculata Mitch Provance 1998-6-20 702 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Park, 0.7 km west of Pyrite St.on the north side of Granite Hill Dr. 305 Comment
  UCR139645  Hemizonia paniculata A. C. Sanders 2004-6-30 28388 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR141250  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2004-10-6 28812 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
  UCR163993  Hemizonia paniculata John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  UCR183342  Hemizonia paniculata Mitch Provance 2005-5-27 4606 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR213869  Hemizonia paniculata Scott D. White 2009-8-10 13348 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  UCR62105  Hemizonia paniculata Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  UCR158270  Hesperocnide tenella A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29492 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA715243  Hesperolinon micranthum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32507 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 549 Comment
  RSA586247  Heterocodon rariflorum D. L. Banks 1995-4-11 0166 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. 963 Comment
  UCR263464  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35587 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, above mapped spring 1524 Comment
  UCR241230  Heteromeles arbutifolia Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 689 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon 1067 Comment
  UCR146129  Heuchera rubescens Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1447 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  CAS-BOT-BC203350  Hibiscus denudatus Edmund C. Jaeger 1922-4-12 s.n. Riverside Martinez Canon [Canyon], Colorado Desert 304 Comment
  POM13398  Hieracium horridum E. C. Jaeger 1922-8-22 1016 Riverside Long Valley trail 2439 Comment
  UCR2458  Hilaria rigida F. M. Reed 1920-3-24 4286 Riverside Sonoran (Colorado) Desert, Morongo Pass near Whitewater Station 457 Comment
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Oct 1 2011
  RSA613654  Hirschfeldia incana D. L. Banks, Victor Steinmann 1997-3-13 1466 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
  LA45787  Hoffmannseggia microphylla Miss Halflaud; March 1925 6483 Riverside Palm Springs 0 Comment
  SBBG3337  Hoffmannseggia microphylla H. and M. Dearing 1940-1-1 4072 Riverside Painted Cyn near Mecca Comment
  SD258922  Hoffmannseggia microphylla Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7648 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road; Side canyon forking N from Little Box Canyon, E of Box Canyon;; E side of Mecca Hills, E-NE of Mecca 281 Comment
  CAS-BOT-BC207569  Hoffmannseggia microphylla John Thomas Howell 1928-3-25 3543 Riverside Painted Canyon [Canon] Comment
  UCR132953  Holocarpha virgata subsp. elongata A. C. Sanders, Kent Beaman 2002-5-10 25051 .2 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  SD152760  Holodiscus discolor Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7357 Riverside Southern Santa Ana Mountains, San Mateo Canyon wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon 366 Comment
  RSA515318  Hordeum depressum Jeri Hirshberg 1989-4-19 s.n. Riverside South of town of Murrieta, W of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W) 610 Comment
  UCR162940  Hordeum depressum Fred M. Roberts, D. E. Bramlet 2005-4-1 6147 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  RSA0034089  Hordeum murinum Duncan S. Bell 2013-1-30 4448 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  UCR226065  Hordeum murinum A. C. Sanders, T. B. Salvato 2011-4-1 38968 Riverside Peninsular Range, Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  POM352537  Hordeum murinum subsp. glaucum N. C. Cooper 1944-5-6 1172 Riverside Banning. 701 Comment
  UC34042  Hordeum murinum subsp. glaucum H. M. Hall 1901-6-19 2176 Riverside head Hemet Lake (Thomas Ranch, San Jacinto Mountain); San Jacinto Mt., head Hemet Lake, Thomas Ranch Comment
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Mar 25 2011
  UCR95589  Hordeum vulgare var. trifurcatum D. L. Banks, Rashmi Pant 1996-5-13 1026 Riverside Agua Tibia Mtns, NW Palomar Mtns; Hwy 79, at the entrance of the Dripping Springs Campground 476 Comment
  UCSC001449  Horkelia clevelandii Peter Kamb 1947-6-7 562 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  CAS-BOT-BC312580  Hulsea vestita subsp. callicarpha Winifern W. Swarth 1914-9-15 s.n. Riverside Slope south of Round Valley, San Jacinto Mts. 2590 Comment
  CAS-BOT-BC312589  Hulsea vestita subsp. callicarpha H. E. McMinn 1925-7-2 1509 Riverside Tahquitz Peak trail from Idyllwild-San Jacinto Mts. Comment
  POM12655  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-9 6405 Riverside Above Tamarack Valley. San Jacinto Mts. 3048 Comment
  RSA608478  Hydrocotyle ranunculoides L. C. Wheeler 1961-6-24 7907 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  SD90463  Hydrocotyle ranunculoides Robert F. Thorne, E. Lathrop 1969-6-6 39347 Riverside Santa Rosa Plateau, Rancho California. 609 Comment
  UCR100578  Hydrocotyle umbellata A. C. Sanders, T. Tennant 1997-11-14 21598 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  RSA92197  Hymenoxys odorata F. W. Peirson 1935-4-17 11468 Riverside Abundant on roadsides for several miles, river bottom lands, 20-22 miles S of Blythe. Comment
  CAS-BOT-BC219751  Hyptis emoryi W. R. Dudley 1903-12-28 s.n. Riverside Near Palm Springs Comment
  RSA420167  Hyptis emoryi H. de Forest 1924-4-18 s.n. Riverside Tahquitz Canyon. Comment
  UC63795  Hyptis emoryi H. M. Hall May 17 1901-Jun 1 1901 1838 Riverside Palm Canyon 457 Comment
  SEINET12277046  Hyptis emoryi E. A. Purer 1935-1 6464 Riverside E slope of Mt. San Jacinto, near Palm Springs, Colorado desert Comment
  HSC27203  Indigofera sphaerocarpa J. P. Smith, J. O. Sawyer 1973-6-10 6890 Riverside Joshua Tree National Monument. Comment
  UC74093  Isocoma acradenia var. acradenia M. F. Gilman 1904-1-1 37 Riverside Banning Comment
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Mar 13 2011
  UCD133437  Isocoma menziesii var. vernonioides K. Esau 1935-6-21 s.n. Riverside Road to Beaumont. Comment
  UCR37791  Isomeris arborea A. C. Sanders 1985-3-1 5391 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  RSA0011054  Juglans californica Freda Detmers 1931-6-19 s.n. Riverside Santa Ana Valley Comment
  RSA781322  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive 320 Comment
  UCR3191  Juncus balticus Chuck Elliott 1964-5-7 s.n. Riverside Riverside, 1 mi past end of Canyon Crest Road west. 305 Comment
  POM229463  Juncus bufonius Phillip A. Munz 1937-5-31 15103 Riverside Santa Rosa Mountains 1220 Comment
  UCR156615  Juncus bufonius var. congestus T. B. Salvato, A. C. Sanders 2005-5-17 899 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
  UC1922192  Juncus duranii Naomi Fraga, et al. 2006-7-11 1723 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SEINET11789580  Juncus effusus M. F. Spencer 1921-1 11 Riverside Saboba Hot Springs, San Jacinto Mountains 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
  SBBG57289  Juncus macrophyllus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  UCR22062  Juncus mexicanus Steve Boyd 1980-4-13 128 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UC1930982  Juncus triformis A. C. Sanders 2006-5-19 32400 Riverside Hills between Murrieta and Menifee Valley, west of I-215 south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. Comment
  JEPS48239  Juniperus californica W. L. Jepson 1928-4-25 12583 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
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Oct 9 2010
  RSA592671  Juniperus californica Scott D. White, Duayne Haselfeld 1996-7-2 4263 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  RSA697386  Juniperus californica W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  CAS-BOT-BC234587  Justicia californica D. E. Breedlove 1962-3-11 1879 Riverside On rocky bank of Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  CAS-BOT-BC234588  Justicia californica S. B. Parish 1916-5-13 10840 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  GMDRC9805  Justicia californica J. M. Andre 2017-3-1 38022 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  RSA736987  Justicia californica Jim Andre, T. La Doux 2008-3-21 8828 Riverside JTNP: Upper Cottonwood Cyn, approx. 2 mi. S. of Cottonwood visitor s center. 881 Comment
  UCSB15355  Justicia californica Breedlove, Dennis 1962-3-11 Riverside Cat Creek, under grove of Washingtonia filifera, 3 miles southwest of Palm Desert 426 Comment
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Mar 1 2014
  CAS-BOT-BC235503  Keckiella antirrhinoides Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  CAS-BOT-BC235504  Keckiella antirrhinoides Jim Shevock 1970-4-25 163 Riverside Coldwater Trail 670 Comment
  JEPS23552  Keckiella antirrhinoides Peter H. Raven 1958-5-17 12934 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  JEPS57291  Keckiella antirrhinoides L. R. Heckard and R. C. Bacigalupi 1968-5-5 1803 Riverside about 5 mi s Hemet (at s edge of Diamond Valley); Diamond Valley 518 Comment
  SDSU10660  Keckiella antirrhinoides Gerald Collier 1951-5-27 Riverside About 4 miles E of Pinon Flats State Hwy 74, San Jacinto Mtns. Comment
  RSA0018943  Keckiella antirrhinoides subsp. antirrhinoides Ora M. Clark 1929-3-16 1695 Riverside South of Cabazon, Colorado Desert. Comment
  RSA496453  Keckiella antirrhinoides subsp. antirrhinoides Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3067 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  JOTR35446  Keckiella antirrhinoides var. microphylla Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 50 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  UC667334  Keckiella antirrhinoides var. microphylla Annie M. Alexander and Louise Kellogg 1941-5-24 2215 a Riverside n base Eagle Mountains; Colorado Desert 1158 Comment
  OBI37488  Keckiella cordifolia Steve Boyd 1985-7-23 1022 Riverside De Luz Rd, 8.5 mi W of rancho California 274 Comment
  RSA0012061  Keckiella rothrockii subsp. jacintensis Steve Boyd, Gary D. Wallace 2005-7-30 11656 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  RSA797607  Keckiella rothrockii subsp. jacintensis Robert F. Thorne, Walter Wisura 1977-9-17 50766 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA783584  Koeberlinia spinosa var. tenuispina Michael Wall, Valentin Arvizu 2011-5-24 603 Riverside 6.5 miles north of Desert Center, off Kaiser Rd. ca. 100 meters to the northeast off a small dirt rd. in a shallow wash area near two paloverde trees. 201 Comment
  UCR132930  Koeleria macrantha 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
  CAS-BOT-BC61427  Krameria bicolor Annie M. Alexander; Louise Kellogg 1941-5-12 2165 Riverside road to Black Eagle Mine 670 Comment
  RSA0050253  Krameria bicolor J. M. Andre 2013-3-27 24838 Riverside along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct 114 Comment
  SBBG25153  Krameria bicolor Leota Davidson 1965-5-14 112 Riverside Joshua Tree Nat Monument Comment
  RSA409437  Krameria erecta N. R. Zabriskie, W. M. Zabriskie 1972-4-9 514 Riverside Northwest of Hwy 74, Deep Canyon drainage, Santa Rosa Mountains. 1220 Comment
  CLARK-A1528-3028  Krameria grayi Lawrence F. LaPre' 1969-5-11 44 Riverside Little San Bernardino Mountains Comment
  RSA408610  Krameria grayi Ora M. Clark 1929-3-17 1751 Riverside S. La Quinta, Cali. Comment
  JEPS69283  Lamarckia aurea W. L. Jepson 1901-5-17 1208 Riverside e of Riverside (on road to San Jacinto, journey from Riverside to Santa Rosa Peak and Palomar); Southern California 266 Comment
  UCR41544  Langloisia schottii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6012 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA795940  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-18 256 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  HSC21920  Larrea tridentata J. J. Wagoner 1965-4-12 27 Riverside 8 mi. NE of Palm Springs in Whitewater Canyon. Comment
  RSA792576  Larrea tridentata Aaron C. Sedgwick, Duncan S. Bell 2012-9-20 118 Riverside South of Essex in Rice Valley - Take Rice/Blythe Rd. ~3 miles south and turn left on unmarked road. The wash is on the northern side of the unmarked road ~3 miles east. 235 Comment
  SEINET4907865  Larrea tridentata H. F. Thut 1971-3-7 s.n. Riverside 10 miles E of Palm Springs. Comment
  UCR148319  Larrea tridentata John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  CHSC108873  Lasthenia californica Duncan S. Bell; Valentin Arvizu 2010-5-10 985 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  HSC5138  Lasthenia californica R. A. Eagle 1964-3-28 2 Riverside 5 mi. out of Riverside on Van Buren; just off to the side of the road Comment
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Jul 8 2010
  JEPS102005  Lasthenia coronaria Raymund Chan 1998-3-24 98006 Riverside S of Vail Lake (Hwy 79, 0.5 mi E of jct. with R3) Comment
  POM361587  Lasthenia coronaria M. B. Dunkle 1935-3-10 4356 Riverside Temescal Canyon. 274 Comment
  RSA608200  Lasthenia coronaria R. S. Woglum 1938-5-1 1609 Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  UC34691  Lasthenia coronaria Geo. R. Hall 1901-5-17 1675 Riverside Riverside Comment
  UCR109450  Lasthenia coronaria A. C. Sanders 1995-4-13 16510 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
  JEPS102002  Lasthenia glabrata subsp. coulteri Raymund Chan 1998-3-22 98005 Riverside 1.5 mi W of Lakeview (on N side of Ramona Expressway; 200-300 ft E of San Jacinto River) Comment
  JEPS35628  Lasthenia glabrata subsp. coulteri W. L. Jepson 1939-4-17 19158 Riverside Temecula 304 Comment
  RSA550491  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-9 2220 Riverside 2.6 km west of Lake View and 15m to 100m east of the San Jacinto River and just west of an existing dirt access road. The site is approximatly 440m south of the MWD easment road. Comment
  UCR189566  Lasthenia glabrata subsp. coulteri Diane Menuz 2007-7-11 329 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area 436 Comment
  POM305813  Lasthenia gracilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1046 Riverside Elsinore. Comment
  RSA728143  Lasthenia gracilis Daphne K. Christopher, Hannah Stevens, Zach Princip 2003-4-7 113 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  UC188983  Lasthenia gracilis Lemmon 1880-5-1 1 Riverside San Gorgonio Pass Comment
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Mar 9 2011
  UCR129059  Lasthenia gracilis A. C. Sanders, Mitch Provance 2001-4-5 23921 Riverside Moreno Valley, Hwy 215 at Van Buren Blvd., adjacent to March Air Res. Base, Alessandro RR siding 466 Comment
  UCR98194  Lasthenia gracilis Scott D. White 1997-2-28 4724 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  CAS-BOT-BC361118  Lasthenia microglossa Peirson 1919-4-14 s.n. Riverside Murray Canon 487 Comment
  CAS-BOT-BC367545  Lasthenia microglossa F. W. Peirson 1919-4-14 1376 Riverside Murray Canyon near Palm Springs 487 Comment
  UCR172278  Lathyrus odoratus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  POM10364  Lathyrus vestitus subsp. laetiflorus Charlotte M. Wilder 1904-5-13 76 Riverside North side of Jurupa Hills Comment
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Sep 3 2011
  CAS-BOT-BC320798  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  CAS-BOT-BC320797  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  CAS-BOT-BC379630  Layia platyglossa Palmer Stockwell 1935-5-12 1220 Riverside 2.5 mi. N of Elsinore Comment
  RSA716423  Layia platyglossa Scott D. White 2006-4-27 11309 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  SD146008  Layia platyglossa A. C. Sanders, K. C. rose 1998-5-21 21856 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 mile west of Warren Road. 456 Comment
  RSA220968  Layia platyglossa subsp. campestris E. W. Lathrop 1966-4-20 6193 Riverside Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA450741  Layia platyglossa subsp. platyglossa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  RSA0001369  Layia ziegleri L. B. Ziegler 1966-6-1 s.n. Riverside Between Mountain Center and Keen Camp summit, San Jacinto Mts. 1448 Comment
  RSA90128  Lemna minor E. K. Balls, Percy C. Everett 1953-8-19 18537 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  RSA716345  Leontodon leysseri R. E. Riefner 2004-7-31 04 -357 Riverside City of Hemet, Auto Blvd. at Warren Rd. 463 Comment
  RSA429965  Lepidium Ora M. Clark 1929-3-17 s.n. Riverside N of La Quinta. Comment
  UCR110920  Lepidium densiflorum A. C. Sanders, K. C. Rose 1999-6-18 22823 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  SBBG70822  Lepidium fremontii S. W. Hutchinson, M. N. Ackley -Feb-1927 143 Riverside Desert Center 182 Comment
  UC856450  Lepidium fremontii Ira L. Wiggins 1937-3-9 8745 Riverside Chuckawalla Spring Chuckawalla Mts. Comment
  UCSB39077  Lepidium fremontii Jorgensen, Jan 1982-3-21 Riverside South entrance to Joshua Tree National Monument 600 Comment
  RSA0048414  Lepidium fremontii N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Spring. Comment
  RSA703749  Lepidium lasiocarpum LeRoy Gross 2005-3-3 1570 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SD136238  Lepidium latifolium Dylan T. Hannon 1993-5-6 175 Riverside Norco, ca 3 miles west of Interstate 15, along north side of Santa Ana River bordering dairy fields Comment
  SDSU14133  Lepidium latifolium Michael G. Simpson, Tax. Cal. Pls. (Biol. 531) class 2002-4-20 2258 Riverside Along north bank of Santa Margarita river, ca. 1/8 mile east of junction with Via Tornado Rd. (from Northside field station). 247 Comment
  UCR121801  Lepidium latipes A. C. Sanders, Carolyn Washburn 2001-4-17 24053 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  RSA689378  Lepidium nitidum Scott D. White 2001-4-19 8389 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  RSA429923  Lepidium nitidum var. nitidum Christopher Davidson 1973-4-1 1816 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  CAS-BOT-BC60106  Lepidium virginicum var. menziesii Frank W. Peirson 1922-5-21 3031 Riverside San Jacinto Mountains. Hemet Valley. 1356 Comment
  UCR116981  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato 2001-5-3 24082 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR121174  Lepidium virginicum var. robinsonii D. E. Bramlet 1990-4-27 1981 Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  RSA773592  Lepidium virginicum var. virginicum Duncan S. Bell, J. D. England 2010-6-14 1304 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  RSA177021  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside Sandy bank at mouth of Whitewater Wash. 305 Comment
  UCR121886  Lepidospartum squamatum Ian G. Gillespie 2001-5-7 88 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as the Sycamore Canyon Area. In a sandy wash at the north east corner of the intersection of Indian Truck Tr. and De Palma Rd. Associated species: Cryptantha microstachys, Hirschfeldia incana, Amsinckia menziesii. 366 Comment
  RSA723302  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), Just N. of Cedar & Mountain, NE end of Hemet Comment
  SEINET10588819  Leptochloa fusca subsp. uninervia Steve Boyd, Timothy S. Ross 1989-8-28 Boyd 3802 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. Center of Sec. 14, T8S R1W. Wetlands with Salix, Typha thickets hills with Adensotoma, Eriogonum, Salvia. 442 Comment
  UCR104907  Leptochloa uninervia A. C. Sanders 1997-3-19 20041 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  RSA668920  Leptodactylon jaegeri Heidi West, Lisa Fields 2000-7-18 s.n. Riverside On the south-facing side of a small rock outcrop (about 30ft. diameter), approximately 20ft. up on a ledge. The outcrop is 0.23 air miles east of Divide Peak, also east of Long Valley Creek and about 0.10 air mile NW of Hidden Lake. 2668 Comment
  HSC86251  Leptosiphon ciliatus Jane Hildreth 1981-6-4 31 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  SD119890  Leptosiphon floribundus subsp. glaber Louis B. Ziegler 1973-4-26 518 Riverside San Jacinto Mountains; hillside in lower Bautista Canyon. 533 Comment
  RSA73056  Leptosiphon lemmonii F. W. Peirson 1922-4-28 2931 Riverside Temescal Canyon. 335 Comment
  POM118637  Lesquerella tenella Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  UCR138602  Lessingia filaginifolia var. filaginifolia D. L. Banks 1996-11-7 1208 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 0.5 km west of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 427 Comment
  POM10235  Lessingia glandulifera var. glandulifera Charlotte M. Wilder 1904-7-6 272 Riverside Wilder's Canon. Jurupa Hills. Comment
  RSA773470  Lessingia glandulifera var. glandulifera Duncan S. Bell, Colleen Wheeler 2010-7-19 1630 B Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  RSA191452  Leymus condensatus E. W. Lathrop, Robert F. Thorne 1967-9-26 6669 Riverside 5 miles NW of Murieta. Comment
  UCR117309  Lilaea scilloides A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 741 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA752880  Lilium parryi Orlando Mistretta 2009-7-10 3998 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
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Nov 17 2014
  RSA654177  Limonium sinuatum Mitch Provance 1998-6-11 674 Riverside Jurupa Mountains: 'Twin Canyons', S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  RSA82521  Limosella acaulis F. W. Peirson 1922-5-20 3054 Riverside Hemet Valley. (San Jacinto Mountains) 1341 Comment
  SJSU11421  Linanthus californicus G. B. Youngberg 1956-3-30 233 Riverside Glen Ivy Hot Springs, E slope Santa Ana Mts c. 12 mi SE of Corona 365 Comment
  UC879931  Linanthus dianthiflorus P. A. Munz and I. M. Johnston 1922-5-20 5443 Riverside Hemet Valley San Jacinto Mts. 1386 Comment
  UCD118501  Linanthus dianthiflorus R. N. Raynor 1933-5-2 s.n. Riverside Box Springs Hills. Comment
  POM73995  Linanthus dianthiflorus subsp. dianthiflorus Marcus E. Jones 1903-5-11 10278 Riverside Whitewater. 305 Comment
  CAS-BOT-BC226874  Linanthus jaegeri H. M. Hall 1901-6-1 2323 Riverside Tauquitz [Tahquitz] Peak, San Jacinto Mt. 2621 Comment
  SD258481  Linanthus jonesii J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24383 Riverside West Riverside Mountains at base of NW corner of range where sand ramps run up against granitic bouldery slopes, ca. 10 miles SW of Vidal Jct, 3.0 miles south of Grommet RR xing at Hwy 62. 363 Comment
  UC172674  Linanthus lemmonii Katharine Brandegee 1882-4-24 Riverside Copeland's - San Jacinto Comment
  UC908796  Linanthus lemmonii Victor Duran 1935-4-17 Riverside Sage Comment
  SDSU3164  Linanthus nuttallii subsp. floribundus Stan Mather 1938-5-13 Riverside Lake Elsinore Grade. Comment
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Jul 8 2009
  UCR90409  Linanthus pygmaeus subsp. continentalis D. L. Banks, Steve Boyd 1995-5-9 406 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 738 Comment
  POM296034  Linum usitatissimum Lyman Benson 1945-3-29 11619 Riverside San Gorgonio Pass, 5 miles east of Banning. 610 Comment
  RSA678341  Loeflingia squarrosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10478 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
  UC120278  Loeflingia squarrosa var. squarrosa D. Cleveland 1882-5-3 Riverside San Jacinto Plain Comment
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Nov 9 2009
  RSA468343  Loeseliastrum schottii Christopher Davidson 1979-4-4 7682 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA67046  Loeseliastrum schottii Verne Grant, Alva Grant 1951-4-7 15989 Riverside Below Morongo Valley on road to White Water 732 Comment
  SBBG99597  Loeseliastrum schottii W. L. Halvorson 1977-3-8 77 -88 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UC68770  Loeseliastrum schottii H. M. Hall Apr., 1905 5929 Riverside Colorado Desert, McCoy Wash 91 Comment
  UC38797  Lolium temulentum E. A. Zumbro 1899-5-17 Riverside Riverside Comment
  RSA612937  Lomatium dasycarpum D. L. Banks 1997-3-29 1640 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside/San Diego County line border. 463 Comment
  RSA691957  Lomatium dasycarpum Scott D. White, Michael Honer 2003-4-9 8980 Riverside 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
  JOTR32144  Lomatium mohavense La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2300 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  SEINET1908449  Lonicera subspicata A. C. Sanders, Mitch Provance 2008-1 35799 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
  CAS-BOT-BC234890  Lonicera subspicata var. denudata E. K. Balls; P. C. Everett; S. Tillett 1955-7-19 20973 Riverside San Jacinto Mts., Hwy. 74, Hemet to Idyllwild, 2.8 mi. nw. from Mountain Center 1188 Comment
  RSA761752  Lonicera subspicata var. denudata Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 646 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA296118  Lotus B. A. Prigge 1980-8-11 3889 Riverside San Bernardino Mountains, Whitewater Canyon: 1.1 miles N of Interstate 10. 473 Comment
  RSA607344  Lotus R. S. Woglum 1939-4-11 2219 Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  UCR33823  Lotus argophyllus Robert McKernan 1980-4-16 s.n. Riverside Whitewater Canyon, 1.4 mi N of Bonnie Bell Comment
  UCR94933  Lotus grandiflorus Scott D. White 1996-8-16 4486 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA406139  Lotus grandiflorus var. grandiflorus N. C. Cooper 1944-5-21 1250 Riverside San Jacinto Mtns. West Side. 1220 Comment
  UCR174051  Lotus hamatus A. C. Sanders 2006-5-19 32445 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
  RSA342542  Lotus heermannii R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54089 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA653540  Lotus heermannii Scott D. White 1999-5-24 7385 (3 repl. total) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UC15660  Lotus heermannii H. M. Hall Jun 1901 2022 b Riverside Shingle Valley San Jacinto Mountains 1341 Comment
  UC454103  Lotus nevadensis var. nevadensis I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2743 Comment
  POM12087  Lotus oblongifolius Mary F. Spencer 1921-6-15 1736 Riverside Idyllwild. 1616 Comment
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Jun 17 2012
  JEPS27796  Lotus oblongifolius var. oblongifolius I. W. Clokey and E. G. Anderson 1935-8-21 6722 Riverside Fuller Creek San Jacinto Mts. 1500 Comment
  RSA775340  Lotus procumbens var. procumbens Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5021 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
  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
  RSA525224  Lotus salsuginosus Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota, Bob Boyd 1990-5-3 4602 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR41908  Lotus salsuginosus A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6045 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  JOTR31772  Lotus salsuginosus var. brevivexillus Andre, Jim, Tasha La Doux 2009-3-10 11239 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA406898  Lotus scoparius M. V. Hood 1945-3-26 s.n. Riverside Cottonwood Creek, Aguanga, Riverside & San Diego co. line. 610 Comment
  JOTR31043  Lotus scoparius var. brevialatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2027 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
  UCR98081  Lotus scoparius var. brevialatus A. C. Sanders, G. Helmkamp 1997-3-15 19943 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  CSUSB1197  Lotus strigosus Kheng Try Seng 1966-3-27 660327 12 Riverside 0.5 mile north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest. 487 Comment
  RSA736318  Lotus strigosus Scott D. White, Justin M. Wood 2008-3-25 11774 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR42356  Lotus strigosus var. hirtellus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 189 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR251673  Lotus strigosus var. tomentellus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 783 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  RSA525225  Lotus wrangelianus Steve Boyd 1990-5-3 4603 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR71613  Ludwigia repens A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11747 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  RSA783365  Lupinus J. D. Olmsted 1960-4-17 384 Riverside Oat Flats at head of Tin Mine Canyon 9 miles southwest of Corona along Skyline Drive 823 Comment
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Jun 2 2013
  RSA0036701  Lupinus Robert F. Thorne 1973-5-23 43864 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  CLARK-A1656-749  Lupinus agardhianus Theo Glenn 1979-4-8 Riverside Snow Creek Comment
  RSA407025  Lupinus andersonii Christopher Davidson 1978-6-15 7388 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  POM46811  Lupinus arizonicus Mary F. Spencer 1920-3-17 1497 Riverside Whitewater. Comment
  RSA550275  Lupinus arizonicus Walter Wisura, John Dolan, Michael Wall 1992-3-24 4621 Riverside 5.5 mi NE of Mecca on Box Canyon Rd. Comment
  RSA550280  Lupinus arizonicus Walter Wisura, John Dolan, Michael Wall 1992-3-24 4616 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  SEINET8043502 Image available Lupinus arizonicus Duncan S. Bell, Evan Meyer 2014-1 6521 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UC1080285  Lupinus arizonicus E. K. Balls and P. C. Everett 1958-3-20 22937 Riverside S base of Eagle Mts., U.S. Hwy. 60/70 365 Comment
  UCR165640  Lupinus arizonicus 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
  UCR240994  Lupinus arizonicus Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 51 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  SEINET10489199  Lupinus arizonicus subsp. setosissimus Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7469 Riverside Box canyon wash, 11.4 (9 air miles) miles ene of mecca. T6s,r10e,sec.35. Frequent on gravel bar in wash. Petals pink-purple, banner with yellow center Which turns maroon with age 244 Comment
  UCR214885  Lupinus concinnus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37675 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  CLARK-A1045-68  Lupinus concinnus subsp. optatus George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains North Fork San Jacinto River; northeast 1/4 Hemet 15'Q Comment
  UCR121227  Lupinus concinnus subsp. optatus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2259 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UC15788  Lupinus excubitus H. M. Hall June, 1901 2213 Riverside s side San Jacinto Mountains San Jacinto Mountains; s side San Jacinto Mountains 1706 Comment
  JOTR34274  Lupinus excubitus var. austromontanus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3289 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  JOTR33773  Lupinus excubitus var. excubitus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2927 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
  POM306279  Lupinus formosus Henry J. Ramsey, Henry J. Ramsey 1938-5-4 1399 Riverside Elsinore Comment
  RSA171372  Lupinus formosus J. D. Olmsted 1962-5-3 3541 Riverside Along road from Santa Rosa Indian Reservation to Old village, West of Santa Rosa Peak 1494 Comment
  RSA552730  Lupinus formosus var. formosus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6752 b Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  RSA586132  Lupinus hirsutissimus D. L. Banks 1995-4-11 0175 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. 950 Comment
  RSA503807  Lupinus hyacinthinus N. C. Cooper 1944-7-16 1611 Riverside San Jacinto Mts, above Pine Cove. 1982 Comment
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Oct 24 2008
  RSA586718  Lupinus microcarpus var. densiflorus D. L. Banks, S. D. Boyd 1995-5-17 0441 Riverside NW Palomar Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., lower Arroyo Seco; S of the Dripping Springs Campground, W the Dripping Springs Trail. 573 Comment
  CDA27545  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-15 1341 Riverside Guava Street (DeLuz Road) 0.4 mile south of junction Washington Avenue in Murietta. 0 Comment
  SEINET7063232 Image available Lupinus sparsiflorus A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  UCR101790  Lupinus sparsiflorus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1324 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR92802  Lupinus sparsiflorus Scott D. White 1994-3-29 1934 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  SEINET12154199  Lupinus sparsiflorus J. F. Bright, Wyman, C. 1933-1 8079 Riverside nr Radio Comment
  POM202257  Lupinus succulentus Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  CLARK-A1528-505  Lupinus truncatus C. M. Flanagan 1973-4-26 OO 308 Riverside Morongo Indian Reservation 1158 Comment
  HSC83017  Lupinus truncatus N. M. Fellows 1985-3-16 109 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
  RSA5005  Lupinus truncatus Carl B. Wolf 1932-3-20 5 Riverside Richman Ranch, 2.5 miles no. of De Luz; S. W. Riverside County. 457 Comment
  UCR158729  Lupinus truncatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30015 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  JOTR31817  Lycium andersonii La Doux, Tasha, Bill Truesdell 2007-11-9 2523 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Canyon parallel to and east of Lost Palms Canyon (Stop 5) 651 Comment
  POM13044  Lycium andersonii Philip A. Munz, D. D. Keck 1922-4-9 4850 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert. 427 Comment
  UC1286996  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside about 5 mi ne Aguanga Comment
  UCD126594  Lycium andersonii Geoffrey Levin 1976-3-27 699 Riverside South side of Chino Canyon, West of Palm Springs. San Jacinto Mountains. 457 Comment
  UCR216213  Lycium andersonii Jim Andre, T. La Doux 2009-2-25 10825 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 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
  JOTR36409  Lycium cooperi La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3358 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  JOTR36472  Lycium parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3440 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  CDA41138  Lycium torreyi T. C. Fuller 1971-5-2 19887 Riverside North of Hobson Way at the west end of Blythe. 0 Comment
  UC303698  Lycium torreyi Ivan Johnston 1917-4-4 Riverside Palm Canyon Comment
  RSA680490  Lythrum californicum Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9589 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  SBBG54325  Lythrum hyssopifolia C. Davidson 1977-5-25 5666 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCD103051  Lythrum hyssopifolia A. C. Sanders 1998-5-21 21871 Riverside Hemet. Along Stetson Ave. W of Warren Road. 457 Comment
  RSA362093  Machaeranthera asteroides var. asteroides Donald Myrick 1969-10-20 2127 Riverside Near Mt. San Jacinto College, San Jacinto. 488 Comment
  RSA479855  Machaeranthera tephrodes L. F. LaPre, K. Campbell 1988-4-1 s.n. Riverside Colorado River Valley at Blythe. 91 Comment
  CAS-BOT-BC230890  Malacothamnus davidsonii Edith A. Purer 1935-4-21 6472 Riverside East slope of San Jacinto Mt. Comment
  UCR77572  Malacothamnus densiflorus var. densiflorus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6127 Riverside SE end of Gavilan Hills, east of Arroyo del Toro, north-facing slope of low hill 488 Comment
  CSUSB1366  Malacothamnus fasciculatus Rand Ch. Isbell 1970-5-24 13 Riverside Box Springs Canyon Box Springs Canyon, city of Riverside 350 Comment
  CSUSB1446  Malacothamnus fasciculatus Dean Jones 1966-2-25 Riverside Along creek a few a hundred yards past the road, in canyon, south of Stone Face, in Riverside. 365 Comment
  RSA736779  Malacothamnus fasciculatus Scott D. White, Angelia Carey 2004-7-2 10560 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA68316  Malacothrix clevelandii G. R. Campbell 1951-5-30 16134 Riverside 9 miles west of Anza [?] 1067 Comment
  RSA721133  Malacothrix coulteri J. R. Bruff 1928-4-3 175 Riverside 13 miles W of Desert Center. Comment
  CDA20796  Malacothrix glabrata G. F. Hrusa, J. A. Hart 1993-4-4 10598 Riverside Cholla Garden, Joshua Tree N.M. Comment
  CHSC23880  Malacothrix glabrata T. M. Lane 1975-3-24 7 Riverside 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. Mojave Desert. 533 Comment
  JOTR31873  Malacothrix glabrata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2127 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  SEINET3449032  Malva parviflora Steven R. Hill, Kate Kramer 2001-4-27 33476 Riverside Banning, Banning, 4 miles east, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, at the junction of Apache Trail and Seminole Drive, north of route interstate 10, Apache Trail Exit 550 Comment
  POM10402  Malvella leprosa Charlotte M. Wilder 1904-10 s.n. Riverside Between Elsinore and Corona. Comment
  UCD107550  Marah macrocarpa R. L. Smith 1948-3-24 s.n. Riverside Murray Canyon. Comment
  UCR107886  Marah macrocarpa B. G. Pitzer 1997-3-23 2984 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  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
  CAS-BOT-BC193265  Marina parryi Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2131 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 91 Comment
  CAS-BOT-BC216180  Marina parryi Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring Comment
  JOTR37436  Marina parryi Hodges, Stephen R., T. Hender 2015-12-30 558 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road (Stop 1) Comment
  SD121977  Marina parryi Leota Davidson 1966-4-3 317 Riverside Highway 10 at Wiley Wells turn-off, 20 miles east of Desert Center. Comment
  SD46420  Marina parryi P. C. Everett, E. K. Balls 1956-5-2 21554 Riverside 4.0 miles north from turn-off Highway 60/70, west of Desert Center, on road to Eagle Mountain Pumping Station. 305 Comment
  UCR92166  Marrubium vulgare D. L. Banks, Steve Boyd 1995-5-3 0230 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-BC71092  Marsilea vestita John Thomas Howell 1930-5-10 4777 Riverside March Field Comment
  RSA85840  Marsilea vestita F. W. Peirson 1922-4-29 2937 Riverside mud flat south of Lake Elsinore Comment
  RSA0012172  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-3-28 38817 Riverside Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  RSA162783  Meconella denticulata J. D. Olmsted 1959-5-1 530 Riverside Along Spring trail below Beek Cabin Windmills, Main Divide Motorway in Northern Santa Ana Mts, 9 miles Sw of Corona, Santa Ana Mts. Tin Mine Canyon to Corona 854 Comment
  RSA445531  Meconella denticulata E. Crow 1929-3-17 201 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  SBBG67111  Medicago polymorpha M. N. Ackley 1928-3-10 577 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  CAS-BOT-BC47745  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area 457 Comment
  SEINET5799585 Image available Melica Marcus E. Jones 1882-1 Riverside San Jacinto; 33.783908 -116.958635 Comment
  SEINET2473431 Image available Melica frutescens Andrew C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37745 Riverside Peninsular Range; Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 404 Comment
  RSA0062499  Melica imperfecta J. M. Andre 2012-6-15 30520 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
  RSA403498  Melica imperfecta J. D. Olmsted 1962-5-10 3669 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  UCR128559  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23905 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR181626  Melica imperfecta Mitch Provance 2004-5-1 7605 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  CLARK-A1528-509  Melilotus albus Fred B. Essig 1964-2-20 14 Riverside La Sierra 609 Comment
  SBBG67127  Melilotus indicus M. N. Ackley 1928-3-10 579 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  RSA69819  Mentha aquatica J. C. Roos 1951-9-25 5289 Riverside West end Fairmount Park 259 Comment
  RSA523549  Mentzelia affinis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4009 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD215572  Mentzelia affinis Steve Boyd, Dave Bramlet 1991-5-13 6257 Riverside Domenigoni Hills, north side of Domenigoni Diamond Valleys, eastsoutheast of Winchester. 1800 Comment
  SEINET3004971  Mentzelia affinis G. Rink 2011-3-28 10397 Riverside Desert pavement north of Blythe, east of the McCoy Mtns 115 Comment
  LA210637  Mentzelia albicaulis Elizabeth Levine; 1949-5-22 s.n. Riverside At the Hurkey Creek Camp Grounds. Comment
  RSA747985  Mentzelia involucrata Scott D. White, Justin M. Wood 2009-4-29 12620 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  SD260066  Mentzelia involucrata J. Andre 2012-4-11 20787 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Train), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash. 729 Comment
  UC192390  Mentzelia involucrata J. G. Lemmon April 1876 10 Riverside Colorado Desert, Whitewater River Comment
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Jan 15 2010
  UCR29258  Mentzelia involucrata George K. Helmkamp 1983-3-24 383- 01 Riverside Sonoran (Colorado) Desert, N side of Chuckwalla Mtns., Chuckwalla Springs Road, 5 mi. west of Graham Pass Road. 366 Comment
  CHSC8267  Mentzelia involucrata var. megalantha Edward L. Smith 1957-4-3 235 Riverside Located 1 mi. n hwy. 99 to La Palms, Calif., in a wash. San Bernardino Mts. 91 Comment
  UCR20472  Mentzelia jonesii Carl Epling, Harlan Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, 1.3 mi east of Cottonwood Spring 1037 Comment
  RSA264571  Mentzelia longiloba var. longiloba C. W. Tilforth, John Dourley 1977-5-19 1323 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road, between Arica Mtns & Rice Valley. 244 Comment
  RSA734201  Mentzelia micrantha Keith E. Hoffmaster 1934-4-8 132 Riverside Santa Ana Mts. Comment
  RSA768121  Mentzelia micrantha E. W. Lathrop 1973-6-28 7447 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak. Cleveland National Forest Comment
  POM161745  Menyanthes trifoliata R. C. Bacigalupi 1927-7-11 1703 Riverside Grassy Lake meadows. 1890 Comment
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Mar 15 2014
  UCR217522  Microseris douglasii subsp. platycarpha Rose Cook, Ana Hernandez 2010-4-15 02 Riverside Perris-Aguanga Basin, South of west end of Lake Matthews. 268m south of Cajalco Road, 460 m southeast of Cajalco Road/ La Sierra Avenue intersection 426 Comment
  UCR281229  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 45 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  RSA655093  Microseris heterocarpa Scott D. White 2000-4-17 7655 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  UCR120963  Microseris heterocarpa A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23890 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  RSA192096  Microseris lindleyi E. W. Lathrop 1959-5-3 4512 Riverside 14 miles west of Murrieta. Tenaja Canyon. Comment
  UCR108855  Microseris lindleyi Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR180108  Microseris lindleyi Mitch Provance 2003-4-26 9897 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR250577  Microseris lindleyi A. C. Sanders 2014-4-25 41071 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  JOTR32329  Mimulus aurantiacus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2451 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  RSA587176  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-6-2 560 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  UCR182500  Mimulus aurantiacus var. pubescens Andrea Salzman, Carlos Navarro 2006-4-5 27 Riverside Peninsular Range, Sycamore Canyon park, Riverside, N of Alessandro Blvd. and SW of Box Springs Siding 457 Comment
  UCR37482  Mimulus aurantiacus var. pubescens Steve Boyd 1981-3-2 s.n. Riverside Gavilan Hills, Dawson Canyon. About 1 mi downstream from narrows Comment
  UCSB38664  Mimulus aurantiacus var. pubescens Cowan, Clark 1978-4-25 Riverside 6.7mi(10.7 km) SW on 74 from jct w/ 71; 4.6 mi(7.3 km) from Lake Elsinore; Sta. Ana Mts; Cleveland Nat. Forest; Whittaker transect #W-229 Comment
  UCR107382  Mimulus aurantiacus var. puniceus B. G. Pitzer 1997-3-23 2958 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR149849  Mimulus aurantiacus var. puniceus Scott D. White, Michael Honer 2004-4-6 10043 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
  RSA0030785  Mimulus aurantiacus var. puniceus N. C. Cooper 1944-6-4 1321 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  POM43889  Mimulus bigelovii var. bigelovii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR101801  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 1998-8-17 4443 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR21170  Mimulus cardinalis Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UC943902  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1899 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  UCR205444  Mimulus diffusus Jeff B. Galvin, Diane Menuz 2008-4-4 002 Riverside Peninsular Ranges- Palomar Mtns, Agua Tibia, c. 50 m up Woodchuck Rd., beyond National Forest boundary 653 Comment
  UCR217568  Mimulus diffusus Jeff B. Galvin 2009-4-21 87 Riverside Peninsular Ranges, Lake Skinner Multi-Species Reserve, South of Tucalota Creek, just east of the equestrian trail 471 Comment
  UCR113988  Mimulus floribundus Mitch Provance, A. C. Sanders 2000-7-4 2110 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCSC000869  Mimulus fremontii Peter Kamb 1948-7-4 1173 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UC26929  Mimulus fremontii var. fremontii H. M. Hall June 1901 2049 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  LA38933  Mimulus guttatus Frank W. Peirson; 1922-4-8 4720 Riverside Murray Canyon, Palm Springs. In lower part of canyon Comment
  UC922769  Mimulus guttatus Annie M. Alexander and Louise Kellogg 1940-3-21 886 Riverside 20 mi s Twenty Nine Palms (at base of Barker Dam); Mohave Desert 1322 Comment
  RSA0030782  Mimulus moschatus var. longiflorus N. C. Cooper 1944-7-16 1564 Riverside San Jacinto Mtns. above Pine Cove. Along mountain trail. 1829 Comment
  JEPS26105  Mimulus nasutus Peter H. Raven 1958-5-17 12944 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UC980569  Mimulus nasutus H. K. Wagnon 1944-3-12 340 Riverside between Palm Springs and Cathedral City (w fork of stream); Eagle Canyon stream Comment
  JEPS9853  Mimulus pilosus Carl V. Meyer 1928-7-26 525 Riverside Hannah's Sawmill San Jacinto Mountains (1/2 mi e of Dutch Flat) Comment
  UCR231771  Mimulus pilosus John F. Green 2008-4-23 08- 20 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  CSUSB895  Mimulus puniceus David M. Peterson 1966-2-27 Riverside 9 miles southwest of Murrieta 609 Comment
  SEINET214533  Mirabilis bigelovii var. retrorsa Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 7475 Riverside Box Canyon wash; 11.4 (9 airline) mi ENE of Mecca 244 Comment
  UCR50652  Mirabilis bigelovii var. retrorsa B. A. Prigge 1988-2-21 7856 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  POM747  Mirabilis laevis var. crassifolia I. M. Johnston 1918-4-27 1867 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  SBBG69801  Mirabilis laevis var. crassifolia M. N. Ackley 1928-4-1 719 Riverside Snow Crk, Mt San Jacinto 518 Comment
  UC1537367  Mirabilis laevis var. crassifolia Gordon H. True 1935-2-27 21 Riverside Box Springs 365 Comment
  UC465713  Mirabilis laevis var. crassifolia I. J. Condit May 1926 Riverside Rubidoux Comment
  RSA0027989  Mirabilis laevis var. crassifolia Lydia Paneri 1982-4-17 63 Riverside Flat field south of Cajalco Road, 0.3 miles east of La Sierra Hwy. Comment
  OBI8247  Mirabilis laevis var. retrorsa David J. Keil, Malcolm G. McLeod 1977-3-26 12008 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  SBBG1888  Mirabilis multiflora H. and M. Dearing 1940-6-8 4342 Riverside Pinyon Flat Camp, Palms to Pines Hwy Comment
  OBI8387  Mohavea confertiflora David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12062 Riverside Along Box Cyn rd ca 20 mi ENE of Mecca on Orocopia Mts 274 Comment
  UC1080455  Mohavea confertiflora P. C. Everett and E. K. Balls 1958-4-29 1650 Riverside just w of Cactus City (U.S. Highway 60/70, Indio to Blythe) 502 Comment
  RSA0014892  Mohavea confertiflora Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  SEINET10548358  Mohavea confertiflora David B. Dunn 1946-2-22 Dunn 1966 Riverside Collected in mud flats dry, caked and split. All american canal catch basin from Desert washes. Oracopia mts ne of the saltan sea. Very arid country. Comment
  PASA135  Mohavea viscida R. E. Merrill Riverside Palm Canyon Comment
  POM10087  Monardella australis subsp. australis C. Epling s.n. Riverside San Jacinto Mtns., Tahquitz Valley Comment
  RSA83416  Monardella australis subsp. australis E. Peterson, J. Ewan 1930-9-1 2163 Riverside Summit of Mt. San Jacinto 3294 Comment
  CAS-BOT-BC220033  Monardella breweri subsp. lanceolata C. Epling 1932-6-26 s.n. Riverside Jarupa [Jurupa] Hills Comment
  UCR121211  Monardella lanceolata D. E. Bramlet 1989-5-19 1871 Riverside Perris-Aguanga Basin region, South Domengoni Hills, 6000 ft. south of Newport Rd. and 5000 ft. east of MWD canal 518 Comment
  JEPS63361  Monardella nana W. L. Jepson 1903-8-8 2322 Riverside San Jacinto Mt. halfway between forks of summit trail and Log Cabin on upper trail 2438 Comment
  RSA750308  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 124 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance beyond Willow Creek. Comment
  SEINET10582419  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 57 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.5 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on top of left road cut (heading back towards Hwy. 74). T7S,R5E,S29. 1 medium-sized clump, really an outlier of 56. With Lotus scoparius and grasses. Comment
  POM122460  Monardella nana subsp. tenuiflora Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  POM12850  Monardella nana subsp. tenuiflora P. A. Munz 1922-6-26 5833 Riverside Santa Rosa. 1738 Comment
  POM21133  Monardella nana subsp. tenuiflora Fordyce Grinnell Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  SEINET3996320 Image available Monardella nana subsp. tenuiflora Noel H. Holmgren, Liew Fah Seong 1969-6-17 3579 Riverside San Jacinto Mountains, County Road R1, 1/4 mile above Bay Tree Spring. Comment
  UC1499957  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 100 Riverside 1 1/4 mi beyond the snow gate Black Mt. Comment
  JOTR16606  Monoptilon bellioides Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. MIDDLE WILSON CANYON Comment
  SD28014  Monoptilon bellioides Carl B. Wolf 1932-4-27 3061 Riverside 5.0 miles east of Desert Center. 149 Comment
  UC831339  Monoptilon bellioides I. W. Clokey 1935-4-17 6811 Riverside Cottonwood Springs Comment
  UCR102742  Monoptilon bellioides B. G. Pitzer 1998-2-1 3440 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  SEINET10801000  Monoptilon bellioides David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3718 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA582044  Muhlenbergia asperifolia L. C. Wheeler 1933-12-2 2313 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  RSA577748  Muhlenbergia filiformis F. M. Reed 1928-7-10 6019 Riverside Strawberry Creek; Camp Emerson 1524 Comment
  UC39904  Muhlenbergia filiformis H. M. Hall June, 1901 2290 Riverside along water courses San Jacinto Mountains, vicinity of Strawberry Valley 1615 Comment
  JOTR29218  Muhlenbergia microsperma La Doux, Tasha 2005-9-8 1331 Riverside Joshua Tree National Park. Fried Liver Wash; road 395 Comment
  RSA525448  Muhlenbergia microsperma Steve Boyd, Dave Bramlet 1990-4-29 4493 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  SEINET10389798  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2015-3-9 41361 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR2589  Muhlenbergia microsperma F. M. Reed 1903-12-19 378 Riverside Riverside, Bluffs Ranch, Arroyo Tequesquite 293 Comment
  UCR260952  Muhlenbergia microsperma Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6029 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  JOTR33721  Muhlenbergia porteri La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1008 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  JEPS68834  Muhlenbergia rigens Annie M. Alexander and Louise Kellogg 1938-12-11 269 Riverside Lost Palm Canyon 685 Comment
  UC501587  Muilla maritima Frank W. Peirson 1922-4-29 2942 Riverside 2 mi s Lake Elsinore (along boulevard) 365 Comment
  UCR223848  Myosurus minimus var. apus D. E. Bramlet, P. Gordon-Reedy 1991-5-8 2121 Riverside San Jacinto Valley, 8.2 km SW of Hemet, 30 m east of California Ave., NE of intersection of California Ave. and Marvin Hull Rd., c. 75 m north of ATSF RR tracks & 10-300 west of MWD canal 498 Comment
  RSA289827  Myriophyllum spicatum Barry A. Prigge 1980-9-17 4091 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel. -55 Comment
  SD80145  Myriopteris covillei Nancy Ryan Zabriskie, Walter Zabriskie 1971-3-7 355 Riverside Andreas Canyon, ca 50 feet above stream opposite juncture with North Canyon, east slope of San Jacinto Mountains Comment
  RSA421114  Nama demissa Ora M. Clark 1929-2-23 1559 Riverside N. Whitewater. Comment
  RSA516897  Nama demissa Steve Boyd, Orlando Mistretta 1986-3-13 1414 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UCR23564  Nama demissa John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  JOTR35300  Nama demissa var. demissa Andre, Jim 2012-4-11 20797 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  JOTR38692  Nama demissa var. demissa Hodges, Stephen R. 2017-2-7 708 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
  UCR244320  Nama demissa var. demissa Jim Andre 2012-4-16 20924 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  UCSB5304  Nama depressa Van Leeuwen, Henry 1957-4-13 Riverside US. 60 near juncture with Cal. 195 Comment
  RSA736124  Nassella cernua Scott D. White 2008-4-28 11916 Riverside Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. 671 Comment
  RSA487543  Nassella pulchra Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  RSA198963  Nasturtium officinale R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37596 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  UCR158284  Navarretia atractyloides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30109 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR19167  Navarretia atractyloides John C. Roos 1950-5-27 4818 Riverside Peninsular Range, Hills NE of summit of Reche Canyon 762 Comment
  UCR47631  Navarretia atractyloides S. J. Myers 1987-7-10 s.n. Riverside Aguanga,1 mi north of Hwy 79, at NE corner of jct of Sandstone & Villager Valley Roads 610 Comment
  RSA469877  Navarretia fossalis Christopher Davidson 1977-5-25 5651 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA785182  Navarretia fossalis D. E. Bramlet 1993-5-8 2347 Riverside San Jacinto Valley, 7.2 km west of Hemet, 183 m north of Stowe Rd. and 610 m south of Setson Ave.,120 m east of California Ave. and 152 m west of the MWD canal. 456 Comment
  UCR154543  Navarretia prostrata Jason L. Hlebakos 2005-5-18 705 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  RSA464362  Nemacaulis denudata var. gracilis George B. Grant 6718 Riverside Palm Springs. Comment
  HSC78533  Nemacladus longiflorus J. C. Roos 1947-3-15 3343 Riverside 1 mi. E of Valle Vista. 549 Comment
  CLARK-A1528-5380  Nemacladus longiflorus var. breviflorus John C. Roos 1937-4-18 1795 Riverside Snow Creek Comment
  RSA0126424  Nemacladus longiflorus var. longiflorus F. M. Reed 1925-5-26 5140 Riverside Horsetheif Canyon. 762 Comment
  POM11982  Nemacladus orientalis P. A. Munz 1922-4-9 4852 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA526511  Nemacladus pinnatifidus Steve Boyd, Timothy S. Ross 1990-5-11 4705 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA526492  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross 1990-5-11 4688 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
  RSA747139  Nemacladus ramosissimus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30061 Riverside UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 457 Comment
  UC668356  Nemacladus rubescens Annie M. Alexander and Louise Kellogg 1941-4-24 2085 Riverside gorge of Dry Morongo Creek (Morongo Valley); Morongo Valley 640 Comment
  POM10259A  Nemacladus sigmoideus Charlotte M. Wilder 1905-04 575 Riverside Wilder's Canyon, Jurupa Mtns. Comment
  HSC13591  Nemophila menziesii C. L. Hitchcock, C. V. Muhlick 1964-3-17 23081 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  POM3740  Nemophila menziesii Alice Eastwood 1904-4-4 4124 Riverside Elsinore, Riverside County. Comment
  RSA421336  Nemophila menziesii Elbert Benjamine 1929-5-18 220 Riverside San Jacinto Mt. 1677 Comment
  RSA421362  Nemophila menziesii H. de Forest 1929-3-16 14644 Riverside San Bernardino Mts, San Gorgonio Pass. 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
  RSA770697  Nemophila menziesii var. menziesii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4803 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SEINET7063438  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage in Tucalota Valley on East Benton Road. UTM Zone 11, 501405mE, 3715115mN. (WGS84/NAD83). 561 Comment
  RSA781023  Nicotiana clevelandii D. Silverman, Onkar Singh 2010-3-27 7861 Riverside McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd., and ca. 6 km N of Blythe Airport 131 Comment
  CLARK-A1528-887  Nicotiana glauca Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA614565  Nicotiana obtusifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2665 Riverside 3.2 mi. N of jct of Thousand Palms Canyon Rd and Dillon Rd. 457 Comment
  UC68733  Nicotiana obtusifolia H. M. Hall 1905-4-29 5946 Riverside McCoy Wash; Colorado Desert 91 Comment
  UCR167337  Nicotiana quadrivalvis Scott D. White, Jennifer H. Jones 2005-5-24 11101 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UC219553  Nolina parryi P. A. Munz 1922-6-30 5928 Riverside rocky slopes s Santa Rosa; Santa Rosa Mts. 1767 Comment
  UCR152583  Nolina parryi James C. Dice 1985-6-13 618 Riverside Peninsular Range; San Jacinto Mtns., Pinyon Flat, c. 1.3 km N of Hwy 74 1250 Comment
  UCSB24520  Nolina parryi McCarthy, Sharon 1965-5-9 Riverside 1.6 miles west of Pinyon Flats Campground on St. Hwy. 74 east of Anza 1310 Comment
  CAS-BOT-BC71162  Notholaena californica Louis C. Wheeler 1933-12-2 2306 Riverside Mouth Tah 304 Comment
  SEINET8043949 Image available Notholaena californica Joseph Cahill 2011-1 111 -08 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert: c. 1.4 miles west of intersection of South Palm Canyon Dr. and Murray Canyon Dr., SW of Palm Springs. 403 Comment
  RSA752092  Oenothera alyssoides Mary Edmunds 1932-3-26 33 Riverside Mc Intyre Ranch-Oasis Coachella Valley. Comment
  JEPS44055  Oenothera californica Carl V. Meyer 1929-6-18 768 Riverside Hemet Valley San Jacinto Mts. (floor) Comment
  UC219588  Oenothera californica subsp. californica P. A. Munz 1922-6-23 5782 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  SBBG100309  Oenothera deltoides W. L. Halvorson 1977-3-8 Riverside near roadway of Interstate 10, 30 mi W of Blythe Comment
  SEINET10492365  Oenothera dentata var. parishii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3704 Riverside Yellow. Found growing in a wash. Indio hills. Near pushawalla. Comment
  RSA784232  Oenothera leptocarpa J. D. Olmsted 1962-5-1 424 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto. 945 Comment
  UC1186515  Oenothera primiveris subsp. primiveris E. G. Linsley and J. W. MacSwain 1960-3-2 60 -3 Riverside Hopkins Well Comment
  RSA698252  Oenothera scapoidea J. R. Bruff 1932-3-13 s.n. Riverside Between Palm Springs and P. Canyon. Comment
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Aug 27 2011
  RSA734943  Oenothera scapoidea J. R. Bruff 1927-3-12 s.n. Riverside Whitewater. Comment
  UCR95618  Olea africana A. C. Sanders 1996-10-23 19643 Riverside Riverside: Mt. Rubidoux, NE foot of the mountain above the end of 9th St. 305 Comment
  CAS-BOT-BC427456  Oligomeris linifolia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2128 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 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
  CAS-BOT-BC427464  Oligomeris linifolia W. L. Jepson 1914-5-21 6059 Riverside Colorado Desert. Indio 7 Comment
  SEINET7259337 Image available Oligomeris linifolia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-1 29135 Riverside Sonoran (Colorado) Desert: SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. (East of Victory Pass) 168 Comment
  UC774558  Olneya tesota Carl B. Wolf 1940-7-16 Riverside 10 mi e Desert Center (on road to Rice); Colorado Desert 243 Comment
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Sep 24 2011
  CAS-BOT-BC349931  Oncosiphon piluliferum John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  CDA7542  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24176 Riverside Perris-Aguanga Basin region; Romoland, onramp to Hwy 215 from Hwy 74, just east of 215 Comment
  CHSC109269  Oncosiphon piluliferum Scott D. White; Justin Wood 2008-5-1 11925 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR116800  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Perris-Aguanga region, Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. south of Van Buren Blvd. 465 Comment
  SDSU13014  Opuntia X vaseyi Michael G. Simpson with Claudia A. Luke 1999-10-27 2017 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  UCR273892  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes, Tim Thomas, Alice Karl 2013-9-26 17803 Riverside East Mojave Desert, Chuckwalla Mountains, north side of Corn Springs Wash, 1.1 km east-southeast of Corn Spring, 12.2 km southeast of Desert Center, 70 km west of Blythe 479 Comment
  RSA586860  Opuntia basilaris var. basilaris D. L. Banks, S. D. Boyd 1995-5-3 0248 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  CAS-BOT-BC56835  Opuntia engelmannii F. R. Fosberg 1932-7-12 8607 Riverside Field redacted by CAS, contact the data manager for more information Comment
  SD185177  Opuntia littoralis T. B. Salvato, Kent Beaman 2005-5-16 827 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA 74. 548 Comment
  SEINET224185  Opuntia littoralis var. martiniana Lyman Benson, Robert Benson 1955-12-6 15618 Riverside Hills 3 miles southeast of Redlands. Crystal/springs 488 Comment
  RSA0097156  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18358 Riverside 2.5 km north of central Banning, 39 km NW of central Palm Springs. 841 Comment
  SEINET2057454 Image available Opuntia phaeacantha Karin Cleary 1987-5-21 73 Riverside San Jacinto, chaparral N side of Gilman Springs Rd., 0.4 km SE of the intersection of Gilman Springs Rd and Bridge St. 463 Comment
  RSA544429  Orcuttia californica Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6335 Riverside Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of second San Diego aqueduct. Comment
  SD132129  Orcuttia californica David B. Zippin 1991-5-30 155 Riverside Margins of large vernal pool (lake) at Skunk Hollow Comment
  SEINET8854071 Image available Orobanche fasciculata G. Yatskievych, K. G. Preston, Mafham 1981-1 81 -137 Riverside California Highway 74, about 4 miles southeast of Bee Canyon 823 Comment
  UCR44205  Orobanche fasciculata A. C. Sanders 1986-6-1 6561 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCR232760  Orobanche parishii W. P. Armstrong, Tom Chester, D. Stith 2008-8-18 1348 Riverside Peninsular Range; San Jacinto Mtns., lower end of Tamarack Valley 2823 Comment
  CLARK-A1528-7774  Orthocarpus purpurascens John C. Roos 1940-4-20 896 Riverside Reche Canyon Comment
  RSA560836  Orthocarpus purpurascens Steve D. Boyd, Tim S. Ross 1992-5-4 7186 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  CAS-BOT-BC355751  Osmadenia tenella Steve Boyd 1986-5-7 1837 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  RSA263608  Osmorhiza brachypoda E. W. Lathrop 1968-5-22 6912 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  CSUSB847  Oxalis corniculata Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  UCR23214  Oxalis corniculata P. Tomlinson 1981-4-30 0008 Riverside University of California, Riverside campus; west of the perimeter road c. 10 ft. off the road between Parking Lot 8 and Greenhouses 1-5. Comment
  CLARK-A1528-5815  Paeonia brownii John C. Roos, Lucille Roos 1952-3-1 5381 Riverside San Timoteo Canyon 518 Comment
  CHSC35506  Paeonia californica Donna Panico 1972-4-30 33 Riverside 3 mi. SW of Washington Rd. on Tenaja Rd. in Cleveland Nat'l Forest. 548 Comment
  CDA14250  Palafoxia arida G. F. Hrusa, J. A. Hart 1993-4-4 10597 Riverside Cholla Garden, Joshua Tree N.M. Comment
  SD247339  Palafoxia arida T. B. Salvato, R. T. Hawke, et al. 2013-3-8 7280 Riverside Sonoran (Colorado) Desert: south of Highway I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road about 1.4 kilometers west of its junction with Augustine Pass Road. 136 Comment
  UCR166004  Palafoxia arida 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
  POM363737  Palafoxia arida var. arida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  POM363751  Palafoxia arida var. arida Elbert Benjamine 1929-4-7 151 Riverside Palm Springs. Comment
  RSA550017  Palafoxia arida var. arida Walter Wisura, C. Demme 1992-4-13 4680 Riverside Low desert; 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  UCD89571  Panicum capillare subsp. hillmanii Beecher Crampton 1964-6-19 7014 Riverside UC Riverside campus experimental areas, plant introduction nursery. Comment
  RSA395362  Papaver californicum Steve Boyd 1986-4-22 1735 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UC1595600  Papaver californicum Steve Boyd, Tim Ross 1990-5-11 4629 Riverside e of Dripping Springs Campground (in Cleveland National Forest, base of Agua Tibia Mountain, Vail Lake Area, s of Highway 79); Cleveland National Forest, Agua Tibia Mountain, Vail Lake Ar 548 Comment
  RSA701411  Parietaria hespera var. californica Steve D. Boyd, Aydee Virgen 2004-4-13 10885 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC848656  Parietaria hespera var. hespera Alice Eastwood 1913-4-30 3035 Riverside Palm Springs Comment
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Aug 10 2006
  RSA405373  Parkinsonia aculeata S. B. Parish 1913-9-23 8624 Riverside Colorado Desert Comment
  SEINET13711433  Parkinsonia aculeata J. Adams, J. Adams (Botany) 1965-1 211 Riverside N Part of Palm Springs, on Hwy 111, 800 Ft 244 Comment
  RSA500149  Paspalum distichum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3651 D Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  SD129613  Pectis papposa A. C. Sanders 1989-9-19 9507 Riverside Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabasca Tank, along wash above Tabasca Target(UTM:11S,PH-35E,07N) 680 Comment
  SEINET201206  Pectis papposa Jack L. Reveal 1962-9-7 246 Riverside Near the summit north of Pinto Basin in the Joshua Tree National Monument. 1280 Comment
  SD255104  Pectis papposa var. papposa Sarah J. De Groot, Amy Rouillard 2015-9-15 7571 Riverside For Dry Lake, Chuckwalla Valley, north of I-10. Mud flat with some standing water at south edge of dry lake bed. 106 Comment
  UCR274780  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 065 Riverside Mojave Desert, Alligator ACEC. Desert Center Exit off Hwy I-10., to Granite Mine 399 Comment
  CAS-BOT-BC169751  Pectocarya anisocarpa H. M. Hall 1902-4-22 2943 Riverside Vicinity of Riverside 396 Comment
  UCR260863  Pectocarya anisocarpa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41475 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  RSA0123297  Pectocarya heterocarpa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8982 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR241934  Pectocarya linearis A. C. Sanders, Timothy W. Chumley 2013-3-28 40695 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  RSA604848  Pectocarya linearis subsp. ferocula Scott D. White 1995-3-30 2644 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  SEINET7040158  Pectocarya linearis subsp. ferocula A. G. Vestal 1962-4-8 Riverside Ca. 1.3 miles north north east of Lake Elsinore (Elsinore).UTM Zone 11, 469934mE, 3729065mN. Comment
  POM146227  Pectocarya penicillata F. M. Reed 1925-5-23 5031 Riverside Horsethief Canyon, Temescal Mountains. Comment
  RSA673552  Pectocarya penicillata Scott D. White, Tasha La Doux 2000-4-20 7696 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UC1178535  Pectocarya peninsularis Peter Kamb 1948-4-11 887 Riverside 5 mi e Garnet (Aqueduct Rd); Coachella Valley 304 Comment
  UCR88559  Pectocarya recurvata A. C. Sanders 1995-4-13 16505 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
  UCSB11051  Pedicularis semibarbata Haines, Bruce 1962-5-5 Riverside 5 miles north of Idyllwild, 19.1 miles southwest of Banning on Banning to Idyllwild Road 1767 Comment
  CAS-BOT-BC69222  Pellaea andromedifolia Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4020 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UCR261101  Pellaea andromedifolia Joseph Cahill 2011-1-29 111- 18 Riverside San Bernardino Mountains/Sonoran Desert, Whitewater Canyon Road, c. 2.2 miles north of Hwy 10 518 Comment
  POM177874  Pellaea andromedifolia var. andromedifolia Marcus E. Jones 1930-3-5 26523 Riverside Glen Ivy Comment
  POM8767  Pellaea andromedifolia var. andromedifolia P. A. Munz, Harwood 1920-2-28 3233 Riverside 2 mi. southeast of Corona 274 Comment
  RSA686925  Pellaea mucronata P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  UCR97463  Pellaea mucronata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19888 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA771651  Pellaea mucronata var. mucronata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4917 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
  RSA0096813  Pennisetum setaceum Duncan S. Bell, Joy England 2015-4-14 8055 Riverside North side of the San Jacinto Mountains; at the mouth of Snow Canyon, approximately 0.5 air mile northeast of the community of Snow Creek. 361 Comment
  RSA0086590  Penstemon antirrhinoides Bonnie C. Templeton 1930-4-15 1100 Riverside Perris - Gavilan Peak. 607 Comment
  POM12004  Penstemon centranthifolius Philip A. Munz, I. M. Johnston 1922-5-6 5195 Riverside Covington Ranch, Morongo Pass. 762 Comment
  UCD124083  Penstemon centranthifolius R. N. Raynor 1939-6-20 s.n. Riverside San Jacinto Mts., Coahuila. Comment
  LA35151  Penstemon clevelandii Mary V. Hood; 1939-12-30 39- 159 -k* Riverside Santa Rosa Mountains, Pines to Palms Hwy 1127 Comment
  UCR133126  Penstemon clevelandii A. C. Sanders 1985-5-4 5776 Riverside Santa Rosa Mtns, Hwy 74 at Santa Rosa Mountain Rd. 1402 Comment
  CAS-BOT-BC265287  Penstemon clevelandii subsp. connatus C. Epling; Wm. Stewart 1936-5-9 s.n. Riverside Near Ribbonwood, Mount San Jacinto Comment
  CAS-BOT-BC265288  Penstemon clevelandii subsp. connatus C. Epling 1937-4-10 s.n. Riverside Near Pinon Flats, San Jacinto Mountains Comment
  NY583963  Penstemon clevelandii var. connatus A. E. Wieslander 1938-5-15 737 Riverside Near Sugar Loaf Mountain. Forest: Thermal Quadran. 1219.2 Comment
  NY601200  Penstemon clevelandii var. mohavensis A. M. Alexander 1941-5-4 2120 Riverside Barker Dam 1322.8 Comment
  SD186344  Penstemon grinnellii T. B. Salvato, John F. Green 2004-5-27 574 Riverside San Bernardino Mtns., head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1341 Comment
  SD229293  Penstemon spectabilis Dick Schwenkmeyer 2012-4-17 690 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  SD181688  Pentachaeta aurea Scott D. White, Bill La Haye 2000-5-27 7953 Riverside San Jacinto Mountains: Baldy Mountain area. 1616 Comment
  UCR269176  Pentachaeta aurea subsp. aurea Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5013 Riverside San Jacinto Mountains, Strawberry Creek to the southwest of Strawberry Valley, c. 2.4 air miles southwest of Idyllwild 1534 Comment
  JOTR33759  Pentagramma triangularis subsp. maxonii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2757 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  JOTR16829  Pentagramma triangularis subsp. triangularis Supernaugh, William JR. 1967-2-16 56 Riverside Joshua Tree National Park. 1/4 MILES EAST OF RYAN CAMPGROUND 1316 Comment
  JOTR35930  Peritoma arborea De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6878 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  CAS-BOT-BC356001  Perityle emoryi Alice Eastwood 1913-4-30 2977 Riverside Palm Springs Comment
  RSA471850  Perityle emoryi N. C. Cooper 1949-4-8 3288 Riverside Shaver's Summit east of Indio. 610 Comment
  UCR148468  Perityle emoryi S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCSB24317  Perityle emoryi Shaw, Merrilee 1964-4-5 Riverside Wash, box canyon; State Highway 195, 7.3 miles northeast of junction with State Highway 111 at Mecca 106 Comment
  UCSB7390  Perityle emoryi Gunnerson, Robert 1953-3-21 Riverside 9 mi. east of Indio Comment
  CAS-BOT-BC167760  Petalonyx thurberi Marian L. Campbell 1921-3-20 26 a Riverside Palm Springs Comment
  SD67610  Petalonyx thurberi subsp. thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. Frequent in washes and on the desert floor. Comment
  RSA790632  Peucephyllum schottii Aaron C. Sedgwick, David Fraker 2012-4-24 11 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  RSA428296  Phacelia L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River. Comment
  UC665769  Phacelia Ira L. Wiggins 1941-3-27 9704 Riverside slopes 4 mi n Whitewater Comment
  RSA653710  Phacelia ambigua Scott D. White 2000-3-23 7637 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA682844  Phacelia ambigua Scott D. White 2003-3-23 8836 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  CLARK-A1656-667  Phacelia bicolor Lois Ann Scott 1978-3-28 Riverside Joshua Tree National Park 1066 Comment
  UCR35127  Phacelia brachyloba L. B. Ziegler 1966-7-14 072 Riverside San Jacinto Mtns., Hemet (Garner) Valley 1463 Comment
  POM343364  Phacelia campanularia F. R. Fosberg 1983-4-23 64172 Riverside Whitewater Bridge. Comment
  RSA550021  Phacelia campanularia Walter Wisura, A. King, L. Newcomb 1992-4-10 4676 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
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Dec 25 2013
  UCR132862  Phacelia campanularia Kent Beaman 1983-4-2 01 Riverside Sonoran (Colorado) Desert, Coachella Valley, west side of Hwy 62 toward Morongo Valley, just north of Indian Ave. 549 Comment
  SEINET5537058  Phacelia campanularia I. W. Clokey 1935-4-17 6839 Riverside Cottonwood Springs Comment
  JEPS2205  Phacelia campanularia subsp. vasiformis W. L. Jepson 12551 Riverside n Mecca; Colorado Desert, Eagle Mts., Cottonwood Spr. 487 Comment
  UC881004  Phacelia campanularia subsp. vasiformis I. W. Clokey 1935-4-17 6845 Riverside Cottonwood Springs Comment
  RSA680847  Phacelia cicutaria var. hispida Scott D. White, Michael Honer 2003-4-2 8907 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  SJSU11234  Phacelia cicutaria var. hispida N. D. Addy 1962-4-16 Riverside Quail Flat E of Railroad Canyon c. 6.7 mi NE of Elsinore Comment
  UCR241935  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-3-28 40696 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  UCSB42177  Phacelia cicutaria var. hispida Roos, John 1965-6-19 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  UCR95332  Phacelia ciliata Steve Boyd, D. E. Bramlet 1996-4-19 8630 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at Southwestern edge of Mystic Lake, in the San Jacinto River Floodplain, north of 'Marsh A 433 Comment
  CLARK-A1528-555  Phacelia crenulata Howard Towner 1965-4-3 6504037 Riverside North Palm Springs Comment
  SEINET2042416 Image available Phacelia crenulata B. Pitzer 1998-2-1 3442 Riverside Hayfield Spring Quad 7.5': Hayfield Dry Lake, alluvial fan on N side of lakebed, from paved road lakebed. 427 Comment
  RSA0043224  Phacelia crenulata var. ambigua Duncan S. Bell 2010-4-2 694 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  RSA0094788  Phacelia crenulata var. minutiflora Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7936 Riverside San Gorgonio Pass area, between Cabazon and Whitewater, just south of Interstate 10, where the Pacific Crest Trail passes under the freeway. 397 Comment
  RSA784335  Phacelia distans J. D. Olmsted 1959-4-17 382 Riverside Santa Ana River drainage area. Puente Hills. 0.25 mi N of Prado dam along Hwy 71 on west side of road. 213 Comment
  SD185241  Phacelia distans G. K. Helmkamp 1998-4-4 3129 Riverside Junction of CA 62 and CA 177. 456 Comment
  UCR276659  Phacelia distans Jim Andre 2015-3-6 33572 Riverside Coachella Valley, far northwest corner of valley, 0.5 mile west of Hwy 62 at mouth of Dry Morongo Wash, 0.3 mile north of (dirt) Kolbe Road 561 Comment
  UCR86872  Phacelia distans A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16245 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
  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
  UC1228376  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 768 Riverside near Idyllwild (along edge of meadow); San Jacinto Mountains, Saunders Meadow Comment
  UC1021341  Phacelia ivesiana var. pediculoides Harlan Lewis and Margaret Lewis March 1955 Riverside 2 mi e school (on road to Clark Lake); Borrego Valley Comment
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Feb 19 2013
  RSA516879  Phacelia minor Steve Boyd 1986-3-1 1361 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  RSA659353  Phacelia minor P. Shirokawa 1998-5-15 29 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  RSA736702  Phacelia minor Scott D. White 2004-4-26 10247 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SEINET7907895  Phacelia minor D. A. Johnson 2005-1 Riverside 1 mi E of CA 74, River Rd between Perris & Lake Elsinore 488 Comment
  UC1537525  Phacelia minor Gordon H. True Jr. 1935-2-20 2 Riverside Box Springs Sycamore Canyon (lower end of canyon) 365 Comment
  UC1929329  Phacelia minor Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10498 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR258748  Phacelia minor T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7904 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCSB9694  Phacelia minor Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon 2 miles from U.S. 60 Comment
  JOTR30642  Phacelia pedicellata La Doux, Tasha, Erin Babich 2008-4-21 1804 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  UC881200  Phacelia pedicellata C. L. Hitchcock 1940-3-31 5887 Riverside between Cottonwood Spring and Pinto Basin Comment
  RSA779695  Phacelia rotundifolia Duncan S. Bell 2010-4-2 706 Riverside Arica Mountains: collecting along the mountains ridgeline, approximately 0.75 air mile north of summit. 592 Comment
  UCR182301  Phalaris aquatica Mitch Provance, Brett Provance 2005-5-27 5700 Riverside San Bernardino Valley, Riverside (Arlington Heights area), SE corner of Cleveland Ave. and Irvine St. (inc. about 50 yards E on Cleveland) 277 Comment
  POM14419  Phalaris lemmonii P. A. Munz, I. M. Johnston 1922-5-18 5374 Riverside Menifee Valley Comment
  UCR182090  Phalaris lemmonii Kristin Szabo 2002-1 126 Riverside Whittier Channel, SW edge of Hemet along Whittier Ave. east of Warren Rd., SW of trailer park and NW of airport 457 Comment
  RSA676038  Phalaris minor Scott D. White 2001-4-11 8290 Riverside SONORAN DESERT: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  UCR174148  Phalaris paradoxa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32569 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA97670  Phlox austromontana R. M. Straw 1954-6-10 610 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  POM48145  Phoradendron californicum S. B. Parish 1920-3-26 20010 Riverside Indian Wells. Comment
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Mar 12 2011
  RSA296149  Phoradendron californicum Barry A. Prigge 1980-8-19 3995 Riverside Whitewater Canyon: 1.0 mi. uostream from trout farm. 747 Comment
  CAS-BOT-BC135183  Phoradendron juniperinum John B. Leiberg 1898-3-17 3150 Riverside near Strawberry Valley 1700 Comment
  CAS-BOT-BC135184  Phoradendron juniperinum S. B. Parish; W. F. Parish 1881-1-1 970 Riverside San Jacinto Mt. Comment
  RSA271146  Phoradendron villosum C. W. Tilforth, John Dourley, Walter Wisura 1978-3-10 1505 Riverside About 1/2 mi. east of El Cariso Forest Station along Ortega Hiway(74). Comment
  UC1078929  Phoradendron villosum Job Kuijt 1958-3-14 1494 Riverside 12.4 mi. s. Palm Desert 1066 Comment
  UC51623  Phragmites australis J. B. Davy 1902-4-2 8045 Riverside Salton Comment
  CAS-BOT-BC502089  Physalis crassifolia A. C. Sanders; Jim Malusa 2015-9-10 41858 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its jct with Summit Rd in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mtns Aerial Gunnery Range 480 Comment
  JOTR31098  Physalis crassifolia La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2356 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  RSA79895  Physalis crassifolia F. W. Peirson 1921-3-20 4485 Riverside Andreas Canyon, near Palm Springs 244 Comment
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Oct 18 2007
  RSA80966  Physalis crassifolia G. R. Campbell 1952-4-6 18415 Riverside 2 mi. s. of jct. of Cottonwood Springs road, road through Joshua Tree National Monument, south from 29 Palms. 884 Comment
  SD181325  Physalis crassifolia Scott D. White 2000-10-24 8140 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 609 Comment
  SEINET12808848  Physalis crassifolia Chris Dietrich, M. Merello, and H. Schmidt 1994-1 21 Riverside 9 mi NNW of Indio, off Dillon Road 1.9 mi NE on Berdoo Canyon Road (J241). BLM Land. Desert Access Guide map #17. 380 m 358 Comment
  OBI47598  Phytolacca americana Don Domenigoni 1986-4-21 s.n. Riverside Young Property, Hemet Comment
  SEINET5486724 Image available Pinus coulteri Richard Carter 1984-12-25 Riverside 20M tree. Elev. @ 4500, 1.5 mi. NE of Anza on hwy 371. Comment
  CAS-BOT-BC73185  Pinus jeffreyi Geo. B. Grant 1901-7-1 987 Riverside San Jacinot Mts. 1524 Comment
  SEINET3873914 Image available Pinus monophylla Noel H. Holmgren, Patricia K. Holmgren 1974-4-2 7577 Riverside Pinto Mountains, Joshua Tree National Monument, Hidden Valley Campground, 13.9 miles southeast of Joshua Tree (10 airline miles south-southwest of Twentynine Palms).; 0 1311 Comment
  RSA1790  Pinus quadrifolia C. B. Wolf 1931-5-11 1947 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  RSA503434  Pinus quadrifolia Mark Parratt 1962-2-24 114 Riverside 1/4 mile north of Nightengale, Calif. on State hwy. 74. Mt. Range San Jacinto. Alt. 3900 ft. 1189 Comment
  UCSB143  Pinus quadrifolia White, Arthur 1960-5-15 Riverside 75 yds. n. of road to Anza, 0.4 mi. w. of its junction with Hwy. 74 Comment
  RSA561780  Piperia cooperi Steve Boyd 1992-4-14 6848 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UCR157968  Piperia cooperi Michael A. Patten 1992-4-23 s.n. Riverside Peninsular Range, c. 5 km SE of Temecula, just north of Pechanga Indian Reservation in Redhawk housing tract, SE end of Wolf Valley 396 Comment
  CAS-BOT-BC71771  Pityrogramma triangularis var. viscosa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23110 Riverside 10 mi. N. of Pala, along road to Elsinore Comment
  RSA717338  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 -B Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  CAS-BOT-BC257635  Plagiobothrys canescens A. C. Sanders; Nathan Moorhatch 2011-3-22 38798 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  RSA507506  Plagiobothrys canescens Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
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Mar 20 2011
  SD178181  Plagiobothrys canescens A. C. Sanders, Guy Bruyea 2004-4-2 27414 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles west-northwest of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 462 Comment
  UCR112562  Plagiobothrys canescens A. C. Sanders 1998-3-11 21694 Riverside Shipley/Skinner Reserve area, Diamond Valley, along State Street (R3) c. 1/2 mi. north of Newport Rd., south of Hemet 488 Comment
  CAS-BOT-BC523904  Plagiobothrys collinus A. C. Sanders 2012-4-12 40023 Riverside Peninsular Range; Santa Ana Mountains region: Temescal Canyon, along Temescal Canyon Rd., between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd 314 Comment
  RSA0093974  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37677 Riverside Peninsular Range; foothills of Gavilan Hills. Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 372 Comment
  UCR225445  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38850 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR96709  Plagiobothrys collinus A. C. Sanders 1997-3-1 19718 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR20732  Plagiobothrys collinus var. californicus A. C. Sanders, Steve Boyd 1980-5-2 1406 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA659690  Plagiobothrys tenellus J. C. Roos 1947-3-21 3367 Riverside Plateau, Reche Canyon 366 Comment
  UCR249828  Plagiobothrys tenellus T. B. Salvato, John Lovio 2013-3-19 7367 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UC1950031  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55209 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  SD146202  Plantago elongata A. C. Sanders, K. C. Rose 1998-5-21 21862 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 456 Comment
  UCR281237  Plantago elongata Mitch Provance, Jeremiah George 2017-3-23 317- 64 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  RSA525322  Plantago erecta Steve Boyd, D. Bramlet 1990-4-29 4476 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR139179  Plantago erecta Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  UCR158067  Plantago erecta A. C. Sanders 1997-3-12 19846 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR97245  Plantago erecta Scott D. White 1997-2-28 4706 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR123829  Plantago ovata Steven R. Hill, K. Kramer 2001-4-27 33487 Riverside Sonoran (Colorado) Desert, N side of Route I-10, W side of Coachella Canal, about 0.1-0.2 mi north of interstate highway, 3 mi east of Indio 9 Comment
  UCR166016  Plantago ovata 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
  UCR201435  Plantago patagonica Scott D. White, Justin M. Wood 2008-6-17 12193 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  CSUSB1033  Platanus racemosa A. Belding 1967-5-12 S.N. Riverside B.S.A. Camp Evans, at the end of Indian Hill Rd. Riparian Valley Comment
  SD229213  Platanus racemosa Dick Schwenkmeyer 2012-5-22 730 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR338  Platanus racemosa Eugene Cardiff, Ken Smith 1954-4-5 s.n. Riverside San Bernardino Valley Region, Santa Ana River, near Pedley 207 Comment
  UCSB2710  Platanus racemosa Haller, John 1950-5-20 Riverside base of San Jacinto Mtns; Hemet-Idyllwild Road; opposite Cranston Ranger Station 609 Comment
  POM305820  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1039 Riverside Elsinore - Capistrano. Comment
  UC167984  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCR116914  Platystemon californicus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23957 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR49228  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR59662  Platystemon californicus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2935 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  JOTR16786  Pleuraphis rigida Baker, James K. & Baker, Ilisa T. 1966-10-20 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN WATER STATION 1310 Comment
  UC724190  Pleuraphis rigida Aven and Ruth Nelson 1939-3-30 3342 Riverside Hiway 60 near Desert Center Comment
  SBBG62649  Pleurocoronis pluriseta L. G. Yates -Apr-1895 Riverside Palm Springs Comment
  SBBG87786  Pleurocoronis pluriseta A. C. Sanders, B. Pitzer 1986-3-3 6139 Riverside N foot of Chuckwalla Mtns, 2.75 air mi SE of Desert Center 365 Comment
  RSA639702  Pluchea odorata Scott D. White 1998-12-2 7199 Riverside Temescal Canyon - Lake Elsinore area. 366 Comment
  JEPS40452  Pluchea odorata var. odorata Marjorie Clary 1928-10-12 345 Riverside Thermal Comment
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Aug 27 2016
  UCR60264  Pluchea sericea Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3663 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  UCR92591  Pluchea sericea F. M. Reed 1904-6-12 594 Riverside Riverside, along Santa Ana River, near sewer outfall 244 Comment
  RSA586100  Poa annua D. L. Banks, Steve Boyd 1995-4-5 140 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail., 33 deg 27' 20''N-116 deg 58' 26''W. 646 Comment
  RSA621503  Poa annua D. L. Banks 1997-11-15 2198 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  RSA689549  Poa secunda Scott D. White, Michael Honer 2003-4-25 9122 Riverside Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR2705  Poa secunda F. M. Reed 1905-4-2 694 Riverside Box Springs Mountain, east of Riverside 549 Comment
  JOTR35130  Poa secunda subsp. secunda La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3242 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCR26839  Polygonum convolvulus A. C. Sanders 1982-6-12 2717 Riverside Riverside, residential garden, 422 Campus View Drive 335 Comment
  IRVC3047  Polypodium californicum Tony Price 1965-4-24 HS 574 Riverside Highway 74; 1.5 miles W of Dripping Springs Gaurd Station. Comment
  RSA509564  Polypodium californicum Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  UCR25366  Polypodium californicum John C. Roos 1952-4-16 5547 Riverside Damp canyon off Reche Canyon. 518 Comment
  RSA599400  Polypodium hesperium R. E. Riefner, C. Jones 1996-8-28 96 -159 Riverside San Jacinto Mountain, W summit of Devil's Slide Trail Comment
  SDSU3555  Polypodium vulgare var. hesperium Louis C. Wheeler 1931-10-3 194 Riverside Tahquitz Peak, San Jacinto Mts. North facing rock crevices 2621 Comment
  CAS-BOT-BC6241  Populus fremontii subsp. fremontii Samuel Bonsal Parish 1913-2-28 8471 Riverside Salton Basin, Mecca flats -60 Comment
  CAS-BOT-BC356160  Porophyllum gracile Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2206 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  CAS-BOT-BC356169  Porophyllum gracile Annie M. Alexander; Louise Kellogg 1941-5-9 2141 Riverside Colorado Desert. Cottonwood Spring, Eagle Mountains 883 Comment
  CHSC101728  Porophyllum gracile Scott D. White 2001-3-13 8158 Riverside Perris/Elsinore basins; Menifee/Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 474 Comment
  JEPS396  Potamogeton diversifolius Carl V. Meyer 1928-7-27 567 Riverside Hidden Lake; San Jacinto Mountains 2651 Comment
  UCR241483  Potentilla glandulosa Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 234 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA366545  Potentilla glandulosa subsp. nevadensis M. B. Dunkle 1933-7-19 3677 Riverside Upper Tahquitz Valley. 2409 Comment
  RSA5231  Potentilla glandulosa subsp. nevadensis Carl B. Wolf 1932-8-5 s.n. Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  RSA713904  Potentilla glandulosa subsp. nevadensis E. C. Jaeger 1921-6-24 s.n. Riverside Long Valley Comment
  JEPS47218  Potentilla gracilis Carl V. Meyer June 1927 188 Riverside Saunder's Meadow Comment
  RSA0013894  Proboscidea althaeifolia J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center and Blythe. Comment
  RSA0014806  Proboscidea louisianica Steve Boyd, Rita Gentry 1991-5-30 6317 Riverside Murrieta, Gentry Experimental Farm on Los Alamos Rd. 427 Comment
  CAS-BOT-BC206985  Prosopis glandulosa var. torreyana Alice Eastwood 1913-4-30 3063 Riverside Palm Springs Comment
  UCR51062  Prunus cerasifera Bill Wagner 1988-3-7 s.n. Riverside Woodcrest area, c. 6 mi SW of Riverside, NE corner of Hibiscus and Dauchy Avenues 488 Comment
  UC729658  Prunus ilicifolia Carl B. Wolf 1932-5-25 3666 Riverside Snow Creek Canyon, just above fish hatchery, n base of San Jacinto Mountains Snow Creek Canyon; San Jacinto Mountains, Snow Creek Canyon 670 Comment
  UCR101454  Prunus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22219 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR49245  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA586932  Prunus ilicifolia subsp. ilicifolia D. L. Banks, Peter Morrell 1995-5-4 298 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 Woodchuck Trail. 549 Comment
  UC489040  Prunus virginiana var. demissa C. V. Meyer 1927-6-1 180 Riverside Dark Canyon, San Jacinto Mountains Dark Canyon; San Jacinto Mountains, Dark Canyon 1828 Comment
  CAS-BOT-BC356351  Psathyrotes ramosissima M. Bourell; R. Patterson 1987-4-14 3273 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  RSA472313  Psathyrotes ramosissima M. B. Dunkle 1933-5-6 3445 Riverside Painted Canyon, Colorado Desert 30 Comment
  RSA472320  Psathyrotes ramosissima J. W. Jamie 1906-4-1 1456 Riverside Mecca Comment
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Nov 30 2009
  SEINET2054372 Image available Psathyrotes ramosissima W. H. Earle 1974-12-8 Riverside Haywood Rd. north of Rt. 60. Comment
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Aug 25 2013
  UC566663  Psathyrotes ramosissima H. L. Mason 1928-3-10 4224 Riverside Hidden Springs Canyon Coachella Mountains, Hidden Springs Canyon Comment
  SD186106  Pseudognaphalium stramineum A. C. Sanders, Mike Misenhelter 2005-6-15 30967 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn. 640 Comment
  RSA563880  Psilocarphus brevissimus A. C. Sanders 1993-5-12 13996 Riverside Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Road, between San Diego Aqueduct and Warren. 457 Comment
  UCR110457  Psilocarphus brevissimus D. E. Bramlet 1998-4-22 2607 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
  CAS-BOT-BC361786  Psilocarphus brevissimus var. brevissimus A. C. Sanders 1993-5-12 13996 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the New San Diego Aqueduct and Warren 460 Comment
  UCR20985  Psilocarphus brevissimus var. brevissimus A. C. Sanders, Steve Boyd 1980-5-19 1483 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR267880  Psilocarphus chilensis D. E. Bramlet 2005-4-19 3821 Riverside Hills west of Hemet-Ryan Airport, west of California Ave., south of Hwy 74, north of Stowe Rd. 599 Comment
  CLARK-A1528-5058  Psoralea californica John C. Roos 1941-5-10 125 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC354258  Psorothamnus arborescens var. minutifolius F. Almeda 1976-6-5 2822 Riverside 4-5 mi. N of Interstate Hwy #10 off Whitewater Canyon Comment
  UC574887  Psorothamnus arborescens var. simplicifolius C. Epling, Wm. Robison 1933-6-24 Riverside San Gorgonio Wash near Banning; Little San Bernardino Mountains Comment
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Jun 26 2012
  UCR170128  Psorothamnus arborescens var. simplicifolius Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 95 Riverside San Gorgonio Pass, Morongo Indian Reservation; Road between Millard and Lion Canyon (Deep Canyon Road?), below Deep Canyon 619 Comment
  UCR4658  Psorothamnus arborescens var. simplicifolius Frank C. Vasek 1958-6-13 s.n. Riverside San Jacinto Mtns., lower end of Bautista Canyon Comment
  IRVC28838  Psorothamnus emoryi Mark A. Elvin 2005-4-25 4221 Riverside Coachella Valley; N of Palm Springs; N of I10; S of Dillan Road; E of Indian Avenue. Northern Sonoran Desert 244 Comment
  JEPS41639  Psorothamnus emoryi E. E. Schellenger Jul 25 1903-Aug 14 1903 52160 Riverside between Palm Springs and Whitewater; Colorado Desert, betw Palm Springs and Whitewater Comment
  UCR16203  Psorothamnus emoryi Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 8 mi. NE of Mecca. Comment
  SD37837  Psorothamnus emoryi var. emoryi Edith A. Purer 1935-4-21 6463 Riverside In colorado Desert near Palm Springs Comment
  POM1899  Psorothamnus spinosus J. S. Clease 1916-03 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  UC154566  Psorothamnus spinosus Rensselaer J. Smith May 1904 Riverside White Water 396 Comment
  UCSB3067  Psorothamnus spinosus DeWitt, Jack 1959-5-19 Riverside One mile S on Cathedral City on road to Palm Springs from Palm Desert Comment
  RSA91439  Psorothamnus spinosus F. W. Peirson 1921-4-13 568 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  RSA523518  Pteridium aquilinum var. pubescens Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3977 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  CAS-BOT-BC421249  Pterostegia drymarioides Milo S. Baker 1928-4-3 2818 b Riverside Tahquitz Canon [Canyon] near Palm Sps. Comment
  RSA314666  Pterostegia drymarioides Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55492 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCD100932  Pterostegia drymarioides A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25836 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 365 Comment
  UCR112974  Pterostegia drymarioides B. G. Pitzer, T. Tennant 1998-2-21 3542 Riverside Sonoran (Colorado) Desert, S-facing fan on north side of Hayfield Lake, along road to pumping plant. 427 Comment
  RSA0125182  Pulicaria paludosa Duncan S. Bell 2016-10-27 10204 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  UCR112801  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
  RSA0062946  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands: west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  RSA0091963  Quercus Mitch Provance 2012-8-31 17434 Riverside San Bernardino Mountains: Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River. 1067 Comment
  HSC101774  Quercus X acutidens J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13187 Riverside Along State Route 74 1227 Comment
  UC5503  Quercus agrifolia Samuel B. Parish 1891-11-3 2252 Riverside near Murietta Comment
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Jul 15 2009
  UCR260590  Quercus agrifolia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41559 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  UCD105640  Quercus berberidifolia K. M. Meyer; A. Townesmith, T. Scott 2007-3-18 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd., S of Lake Hemet, from Rt. 74. 1467 Comment
  UCR106910  Quercus berberidifolia D. L. Banks, Lauren Raz 1996-11-5 1165 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along a newly established firebreak along a E facing ridge south of the Southern fork of Pechanga Creek 488 Comment
  LA46441  Quercus chrysolepis W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SD229172  Quercus chrysolepis Dick Schwenkmeyer 2012-8-7 789 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UC5523  Quercus chrysolepis H. M. Hall 1901-6 Riverside near Tauquitz; San Jacinto Mountains 2133 Comment
  UCR241640  Quercus chrysolepis T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 366 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  CHSC21929  Quercus cornelius-mulleri L. A. Bellue; R. A. Schlising 1970-11-7 2955 Riverside Near Kenworhty Forest Station on Morris Ranch Road, 3.3 miles north of Highway 74. Comment
  CLARK-A1528-530  Quercus dumosa C. M. Flanagan 1973-4-26 OO 304 Riverside Morongo Indian Reservation 914 Comment
  RSA666646  Quercus engelmannii A. C. Sanders, Kent Beaman 2002-5-10 25047 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  CAS-BOT-BC105322  Quercus kelloggii Carl B. Wolf 1932-8-6 3992 Riverside San Jacinto Mts., Strawberry Valley, base of Dveil's Slide Trail to Tahquitz Valley 1706 Comment
  CAS-BOT-BC105326  Quercus kelloggii Peter H. Raven; R. Snow 1957-7-26 11095 Riverside Banning - Idyllwild road, 0.9 mi N of Vista Grande Ranger Sation, San Jacinto Mts. Comment
  UC455267  Quercus kelloggii I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  UCR111512  Quercus palmeri A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22287 Riverside San Jacinto Mtns., Santa Rosa Indian Reservation along Hwy 74, 2.1 mi. east of Hwy 371 junction to Anza, just west of Vandeventer Flat 1463 Comment
  SDSU6994  Quercus wislizeni H. Wedberg 1962-7-28 988 Riverside 6 miles from Mountain Center on the road to Hemet. 914 Comment
  CLARK-A1528-2908  Quercus wislizeni var. frutescens John C. Roos 1947-1-4 3196 Riverside Box Springs Mountains 487 Comment
  RSA748222  Quercus wislizeni var. frutescens T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 113 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  RSA796516  Quercus wislizeni var. frutescens Robert F. Thorne, E. W. Lathrop 1977-5-18 49726 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SD255187  Quercus wislizeni var. frutescens R. F. Thorne, E. W. Lathrop 1977-5-18 49726 Riverside Santa Ana Mountains: Bear Spring (east slope of Santiago Peak. Comment
  VVC105  Rafinesquia californica A. C. Sanders 1997-5-4 20643 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  SEINET186324  Rafinesquia neomexicana P. A. Munz 1940-3-24 15707 Riverside 2 miles north of Cottonwood Springs Eagle Mountains. 914 Comment
  UCR85167  Rafinesquia neomexicana A. C. Sanders, G. K. Helmkamp, P. MacKay 1995-3-12 16087 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA180258  Ranunculus aquatilis var. capillaceus E. W. Lathrop 1965-5-18 5758 Riverside 8 miles W of Murrieta; hills around 300 ft high. 610 Comment
  RSA741170  Ranunculus californicus Scott D. White, Justin M. Wood 2008-5-15 12006 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC63845  Ranunculus californicus H. M. Hall 1897-4-10 435 Riverside Pico's San Jacinto Valley (along ditch) Comment
  UCR1190  Ranunculus californicus Civerolo 1960-4-10 s.n. Riverside Santa Ana Mtns., 3.25 mi west of Murrieta on Tenaja Road toward San Mateo Canyon Comment
  UCSB2063  Ranunculus cymbalaria Haller, John 1950-5-21 Riverside San Jacinto Mtns., shore of Hemet Lake 1463 Comment
  CLARK-A1528-801  Rhamnus californica C. M. Flanagan 1973-5-20 OO 510 Riverside Morongo Indian Reservation 1158 Comment
  SEINET13946317 Image available Rhamnus crocea Scott D. White 1996-1 3872 Riverside Bundy Cyn, SE of Lk Elsinore. About 1 road mile (-+0.2 mi) E. of Bundy Cyn Rd exit from 1-15 freeway; USGS Lake Elsinore 7.5'topo map. +- 40 ft. S of rd along mapped intermittent blueline stream [Quercus agrifolia riparian woodland w Salis Laevihata, Platamus racemosa] and adjacent N-and W-facing slopes covered by mixed chaparral and coastal sage scrub spp. 450 Comment
  JEPS42036  Rhamnus ilicifolia M. French Gilman Apr 1921 Riverside Beaumont Comment
  RSA0120131  Rhamnus ilicifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9271 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA289811  Rhamnus ilicifolia Barry A. Prigge 1980-8-12 3931 Riverside Whitewater Canyon: 1.4 miles upstream from trout farm. 793 Comment
  SBBG59934  Rhododendron occidentale M. Lewis 1948-6-20 Riverside Dark Cyn 1981 Comment
  CDA28764  Rhododendron occidentale var. californicum G. F. Hrusa 1993-6-23 9769 Riverside San Jacinto Mountains; N Fk. San Jacinto River, Dark Canyon. 1694 Comment
  POM12426  Rhododendron occidentale var. californicum P. A. Munz 1922-9-6 6383 Riverside North fork of Tahquitz Creek; San Jacinto Mts. 2210 Comment
  RSA257006  Rhododendron occidentale var. californicum Gary D. Wallace, D. H. Wilken 1966-7-3 656 Riverside Just east of Idyllwild. Comment
  JOTR32001  Rhus aromatica La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2230 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  LA62881  Rhus aromatica Robert G. Engman; sn Riverside Pinon Flats 1219 Comment
  UCR136269  Rhus aromatica A. C. Sanders 2004-4-20 27544 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR16588  Rhus integrifolia Joe Buriel 1966-2-26 s.n. Riverside E slope of small hill north of Mt. Rubidoux 306 Comment
  UCR136413  Rhus laurina A. C. Sanders 2004-6-20 28235 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
  UCR167679  Rhus laurina T. B. Salvato, Melissa Clemons 2005-6-23 1286 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  IRVC89  Rhus ovata D. Ibbetson 1965-4-3 s.n. Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  RSA296156  Rhus ovata B. A. Prigge 1980-8-5 3829 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  RSA386389  Rhus ovata N. C. Cooper 1944-4-22 1164 Riverside Banning, 732 Comment
  HSC20371  Ribes indecorum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23111 Riverside 10 mi. N of Pala along road to Elsinore Comment
  RSA535471  Ribes indecorum Steve Boyd 1992-2-2 6646 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UC69248  Ribes lasianthum H. M. Hall 1897-3-20 401 Riverside Gavilan Mts. Comment
  RSA505023  Ribes roezlii D. Charlton 1988-5-21 1910 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74.[note: labels I ve seen have both localities (A & B) and don t distinguish elevation or vegetation -SDW 2004] 1829 Comment
  VVC473  Ribes speciosum 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
  CSUSB503  Rorippa nasturtium-aquaticum S. Nelson 1974-5-9 S. N. Riverside Santa Ana River Park, found growing in water near river bank 243 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
  LA208271  Rosa californica Louis C. Wheeler; 1931-10-4 207 Riverside San Jacinto Mountains, Strawberry Valley 1584 Comment
  RSA761162  Rosa californica Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 694 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA788096  Rosa californica Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49552 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UC1971231  Rubus parviflorus Scott D. White 1998-7-31 6939 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. Comment
  UCR127562  Rumex dentatus A. C. Sanders, T. B. Salvato 2003-5-21 26786 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  SD146180  Rumex pulcher Mitch Provance, Andy C. Sanders 2000-7-4 2095 Riverside Santa Ana River Wash, between Market St. and Riverside Ave crossings 244 Comment
  RSA709233  Rumex salicifolius T. B. Salvato 2005-6-23 1296 Riverside Peninsular Range, Temescal Valley: Walker Canyon, 1.5 mi due E of Alberhill, N of Hwy I-15. 412 Comment
  UCR256744  Rumex salicifolius T. B. Salvato, Matthew Malle 2013-4-11 7533 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  UCR80798  Rumex salicifolius Scott D. White 1993-5-29 1479 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  SD44971  Ruppia cirrhosa Darley F. Howe 1952-8-10 Riverside Lake Elsinore Comment
  UCR266335  Salicornia subterminalis D. E. Bramlet 1992-5-28 2294 Riverside Perris-Aguanga Basin region, west of Hemet, south of Florida Ave. and EMWD canal 457 Comment
  CAS-BOT-BC103892  Salix exigua Steve Boyd; Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  CAS-BOT-BC103896  Salix exigua Ivan Johnston 1917-4-4 1068 Riverside Andreas [Canon] Canyon 289 Comment
  POM2077  Salix exigua I. M. Johnston 1918-5-30 2017 Riverside Temescal Canyon 366 Comment
  UC469686  Salix exigua F. R. Fosberg 1930-3-9 S 1550 Riverside almost on San Bernardino Co. line Mission Creek Canyon; Little San Bernardino Mts. 800 Comment
  UC506454  Salix exigua Carl Hedin and Joseph Ewan 1932-7-9 7676 Riverside Chico Creek near Prado (Rincon) below Corona Comment
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Dec 11 2011
  UCR155083  Salix exigua A. C. Sanders, Kelly Volansky 2005-3-17 29240 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
  LA208629  Salix exigua var. hindsiana Mrs. H. P. Bracelin; 1932-4-12 602 Riverside E side of bridge over Santa Ana River, 4.8 km. N of Arlington on rd to Pedley, W of Riverside 240.0 Comment
  LA208646  Salix exigua var. hindsiana Carl Hedin; Joseph Ewan 1933-3-19 7677 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  POM2038  Salix gooddingii D. L. Crawford, I. M. Johnston 1917-6-9 1215 Riverside Santa Ana River near Corona. Comment
  UCR225492  Salix gooddingii A. C. Sanders 2011-3-29 38856 Riverside Peninsular Range; Perris-Aguanga Basin Region, canyon in hills between Sun City and Perris, San Jacinto River at powerline corridor crossing west of Goetz Rd., above Railroad Canyon Lake 428 Comment
  RSA92696  Salix gooddingii F. W. Peirson 1918-03 719 Riverside Near Mecca and the Salton Sea. Comment
  UCR90952  Salix laevigata Scott D. White 1996-3-16 3827 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR92667  Salix laevigata Scott D. White 1996-3-31 3869 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA715298  Salix lasiolepis A. C. Sanders, T. B. Salvato 2006-5-28 32666 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
  SEINET272322  Salix lasiolepis A. C. Sanders, G Helmkamp 1997-3-15 19969 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UCR11306  Salix lucida subsp. lasiandra O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  SD119919  Salsola tragus Louis B. Ziegler 1976-6-20 549 Riverside Vacant land and borders in the San Jacinto Valley. 470 Comment
  UCR264221  Salsola tragus A. C. Sanders, Jim Malusa 2015-9-11 41879 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Iris Pass, floor of canyon c. 100 m below white tuff outcrops and falls 659 Comment
  RSA496388  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3065 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA770679  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4756 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65124 604 Comment
  SD11889  Salvia apiana Victor Duran 1933-7-1 3491 Riverside Near Santa Rosa, Santa Rosa Mountains. 1829 Comment
  CLARK-A1656-683  Salvia columbariae Lois Ann Scott 1979-3-15 Riverside Mecca 269 Comment
  IRVC2084  Salvia columbariae M. Cadnum 1965-4-3 none Riverside Lake Elsinore. southern coastal Comment
  RSA766613  Salvia columbariae Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 173 Riverside Mecca Hill Wilderness. Wash Route off Hwy 195/ Box Canyon Rd. Near wilderness boundary. 366 Comment
  SDSU13925  Salvia columbariae Michael G. Simpson, Adrienne Russell 2000-4-29 2075 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCR244313  Salvia columbariae Jim Andre 2012-4-16 20888 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
  UCR269870  Salvia columbariae A. C. Sanders, Jim Malusa 2016-3-18 42368 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCSB44881  Salvia columbariae Collins, Elizabeth 1977-3-30 Riverside Corn Springs Campground; 8 miles south of Hwy. 10; base of Chuckwalla Mts 457 Comment
  UCSB5777  Salvia columbariae Stoppel, Gordon 1958-3-22 Riverside Off side road; at campsite near Indio highway; several miles from Indio Comment
  SEINET13947317 Image available Salvia columbariae C. L. Hitchcock, C. V. Muhlick 1964-1 23244 Riverside Side Canyon near S entrance to Joshua Tree National Monument Comment
  LA69691  Salvia eremostachya Elizabeth McClintock; 1941-5-30 sn Riverside Coyote Canyon, near Tule Creek Comment
  SD103970  Salvia greatae J. L. S. Simpson 1968-3-17 Riverside Red Cloud Road, Salton Creek. Comment
  UC1537563  Salvia mellifera Gordon H. True Jr. 1935-2-27 22 Riverside Box Springs 365 Comment
  CLARK-A1528-3122  Salvia mohavensis John C. Roos 1965-6-23 Riverside Lost Palms Canyon Comment
  CLARK-A1528-3126  Salvia vaseyi John C. Roos 1948-5-8 3825 Riverside Whitewater Comment
  RSA229426  Salvia vaseyi P. A. Munz 1937-5-29 15146 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  RSA356612  Salvia vaseyi Robert F. Thorne 1966-10-15 41806 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UCR268291  Sambucus nigra subsp. caerulea Jim Andre 2012-6-15 30530 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCR8103  Sarcodes sanguinea B. Freeman 1969-6-12 690612- 01 Riverside San Jacinto Mtns, Univ of California James Reserve. Near Lake Fulmor, about halfway along road from Banning to Idyllwild. Trailfinders Camp 1646 Comment
  UCR21168  Sarcostemma cynanchoides Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  JOTR29559  Sarcostemma hirtellum Andre, Jim, Tasha LaDoux 2006-4-11 6733 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  UCD93275  Schismus barbatus Elizabeth Wilson 1940-4-2 s.n. Riverside Riverside Counrty: Palm Springs. Comment
  RSA585507  Schismus barbatus D. L. Banks, Steve Boyd 1995-5-9 368 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  RSA289839  Schoenoplectus americanus B. A. Prigge 1980-9-17 4075 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  POM1402  Schoenoplectus maritimus I. M. Johnston 1918-4-27 1866 Riverside Wildomar. 366 Comment
  RSA357124  Schoenoplectus maritimus Robert F. Thorne, M. Z. Thorne, E. W. Lathrop 1968-5-8 37609 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  RSA575834  Scirpus acutus var. occidentalis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of ''Estelle Creek'' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain. 317 Comment
  RSA747274  Scrophularia Orlando Mistretta 1992-6-10 530 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  HSC21133  Scrophularia californica D. W. Snell 1964-3-26 19 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  UCR132501  Scrophularia californica 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
  CAS-BOT-BC214224  Scutellaria bolanderi subsp. austromontana A. C. Sanders; Mitch Provance 2008-7-11 35803 Riverside 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, Peninsular Range, San Jacinto Mtns. 1474 Comment
  UCR90826  Searsia lancea A. C. Sanders, G. K. Helmkamp 1996-3-17 17982 Riverside Sonoran (Colorado) Desert, Coachella Valley; Palm Springs, W side of Palm Canyon Dr. just above (S of) junction with Hwy 111 140 Comment
  RSA0074746  Sedum spathulifolium Scott D. White 2000-11-15 8148 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  CAS-BOT-BC69809  Selaginella bigelovii John Thomas Howell 1927-8-1 2886 A Riverside Morongo Canyon, n. Colorado desert. 609 Comment
  RSA683699  Selaginella bigelovii Walter E. Haag 1936-4-11 4 Riverside N fork San Juan Canyon. 305 Comment
  UCD135975  Selaginella bigelovii L. S. Rose 1935-12-18 s.n. Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 243 Comment
  SBBG118800  Selaginella eremophila L. C. Wheeler 1964-10-17 8639 Riverside Orocopia Mtns, S of Hayfield Reservoir Comment
  CAS-BOT-BC62257  Selaginella watsonii P. A. Munz 1922-7-7 6045 Riverside Summit of San Jacinto Peak 3285 Comment
  UCR93842  Senecio californicus Kent Beaman 1996-4-18 s.n. Riverside Peninsular Range, 6-7 miles east of Temecula, 40 acre parcel on De Portola Road, opposite Calle de Oro Comment
  RSA0012732  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3236 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek. 488 Comment
  RSA0012735  Senecio californicus Maureen H. Pendleton 1988-2-22 s.n. Riverside Rancho Calif. area. ca. 8 mi. (airline) NW of Temecula, between Bruce Lane & Via View Dr. 732 Comment
  RSA500156  Senecio flaccidus var. douglasii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-4 3645 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  UCR89692  Senecio flaccidus var. douglasii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Park, east side of Hexie Mountains, in Porcupine Wash, on hike from Ruby Lee Well Road 732 Comment
  CAS-BOT-BC364132  Senecio mohavensis John Thomas Howell 1928-3-24 3527 Riverside Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC364136  Senecio mohavensis Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2197 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA703815  Senecio mohavensis LeRoy Gross 2005-3-3 1592 Riverside Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA473114  Senecio vulgaris M. V. Hood 1945-3-26 s.n. Riverside Cottonwood Creek near Aguanga. Riverside and San Diego county line. 610 Comment
  RSA387357  Sesuvium verrucosum Steve Boyd 1986-4-19 1714 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
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Jan 6 2008
  UCR266904  Sesuvium verrucosum D. E. Bramlet 2005-7-13 3902 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  RSA728654  Setaria adhaerens R. E. Riefner 2005-12-30 5 -793 Riverside City of La Sierra; Gramercy Pl. near La Sierra Ave. 227 Comment
  UCR2739  Setaria pumila F. M. Reed 1904-7-31 57 Riverside South Coast; San Bernardino Valley, Riverside, Santa Ana River above Salt Lake Bridge 244 Comment
  UCD169622  Sherardia arvensis Steve Boyd; Jennifer Pilapil 2005-7-4 11633 Riverside Coastal Plains and Basins; San Bernardino Basin region: City of Riverside, Wood Streets neighborhood, southeast of confluence of Arroyo Tequesquite and Santa Ana River, northeast corner of Brockton Ave. and Beechwood Place. 243 Comment
  UCR174566  Sherardia arvensis Jennifer H. Jones 2006-5-1 291 Riverside Foot of Box Springs Mtns. east of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  UCR171978  Sidalcea malviflora John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UC1013132  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-5-31 19559 Riverside about 4 mi s Hemet Reservoir (Pines-to-Palms Highway); s of Hemet Reservoir, Pines-to-Palms Highway Comment
  OBI36581  Sidalcea sparsifolia A. C. Sanders & S. D. Boyd, S. D. Boyd 1980-4-17 s.n. Riverside San Jancinto Mts. Pine Meadow in upper Garnder Valley, along hwy 74, 0.7 mi E of jctn with Hwy 371 1524 Comment
  SEINET7048196  Sidalcea sparsifolia Steven R. Hill, Andrew C. Sanders 2001-5-4