Search Results — 2000 specimen records retrieved (1893 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229308  Abronia villosa John F. Green 2005-3-3 s.n. Riverside Sonoran (Colorado) Desert: Salton Basin, E of Salton Sea, ca. 4 mi N of Niland; between siphons 10 and 11 46 Comment
  CSUSB1084  Abronia villosa unknown 1968-5-4 680504 12 Riverside San Jacinto Mountains 4 miles west of Mountain Center on Highway 74 on right side of road. San Jacinto Mountains 853 Comment
Read comments
Mar 21 2014
  CSUSB575  Abronia villosa Glen W. Forister 1967-4-2 s.n. Riverside Northwest edge of Palm Springs near Farrell Drive and Alejo Drive. 170 Comment
  CSUSB580  Abronia villosa Steve Stadler 1966-2-27 022766 19 Riverside East of Indio; 20 yards off Indio-Desert Center Road; 100 yards east of the road's intersection with the Coachella Canal. Comment
  OBI2989  Abronia villosa Lewis S. Rose 1967-12-20 67184 Riverside 6 mi SE of Thousand Palms 9 Comment
  RSA461032  Abronia villosa Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  RSA611933  Abronia villosa A. N. Dunn, Ann Martin 1932-3-26 s.n. Riverside Coachella Comment
  UCD109811  Abronia villosa Robert C. Bechtel 1952-3-28 33 Riverside Whitewater. 152 Comment
  RSA0029326  Abronia villosa var. villosa Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4685 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  UCR120971  Acacia greggii Jennie Phui 1998-6-3 301 Riverside Western Colorado Desert/San Jacinto Mtns., NW of Palm Springs, base of Mt. San Jacinto in Chino Cyn., 1.5 mi. above Hwy 111 on road to tram 520 Comment
  RSA414903  Acacia greggii var. arizonica Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Andreas Canon. Comment
  RSA414907  Acacia greggii var. arizonica L. E. Hoffman 1932-5-27 s.n Riverside Beaumont- Banning Pass. Comment
  CAS-BOT-BC30907  Acamptopappus sphaerocephalus Herman Knoche 1919-6-2 635 Riverside Whitewater Comment
  SEINET1957251 Image available Acamptopappus sphaerocephalus Unknown 1985-4-18 8329 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway I-15. 620 Comment
  UCSB6305  Acamptopappus sphaerocephalus Don Graney 1953-3-20 104 Riverside collected 1.0 mi up, in the Colorado Desert White Water Canyon - White Water Canyon and Colorado Desert. Comment
  POM13412  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz, J. M. Johnston 1922-5-6 5172 Riverside Near Whitewater, San Gorgonio Pass. 305 Comment
Read comments
May 29 2011
  UCR196003  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1966-10-15 41805 Riverside Colorado Desert: Western Colorado Desert region/San Jacinto Mountains, Dead Indian Canyon, near Palm Desert at foot of Palms to Pines Hwy 366 Comment
  POM353066  Achnatherum coronatum N. C. Cooper 1944-5-6 1216 Riverside Banning. 701 Comment
  RSA774934  Achnatherum hymenoides Duncan S. Bell 2011-4-7 2178 Riverside The northeast side of the Arica mountains; approximately 2.5 air miles northwest of Priests Well, or approximately 4.3 air miles southwest of the ghost town of Rice. 339 Comment
  UC1578000  Achnatherum speciosum M. Barkworth 1981-5-8 3406 Riverside near Aguanga 914 Comment
  UCR80730  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  UCR279546  Achyronychia cooperi A. C. Sanders, Jim Malusa 2017-3-27 43131 Riverside Sonoran (Colorado) Desert, NW edge of Chocolate Mountains, lower Salt Creek on the illegal OHV road from the Coachella Canal to the trestle, inside Navy Aerial Gunnery Range 44 Comment
  UCR265815  Acmispon americanus var. americanus Mitch Provance 2012-5-24 512- 05 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  SD255718  Acmispon glaber var. brevialatus Mitch Provance 2012-5-24 512 12 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  SDSU14188  Acmispon glaber var. brevialatus Michelle Perl 2002-4-20 7 Riverside Santa Margarita Ecological Reserve 1/8 mile northeast from Northside Field Station on Via Tornado Road. 339 Comment
  SD185218  Acmispon maritimus T. B. Salvato, Melissa Clemons 2005-6-23 1320 Riverside Temescal Valley, 3.0 miles northwest of Alberhill, Temescal Canyon Road at Corona. 353 Comment
  SD67917  Acmispon nevadensis var. nevadensis Reid Moran 1968-8-3 15370 Riverside North slope, 1.0 mile west of Summit, Santa Rosa Mountain. 2150 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
  SEINET5327576  Acmispon strigosus E. Neese 1979-4-10 7079 Riverside Ca 125 mi w of Blythe, desert along Interstate 10. 244 Comment
  RSA740629  Acourtia microcephala Scott D. White, Justin M. Wood 2008-6-18 12202 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  RSA500535  Acourtia microcephala Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3625 Riverside Vail Lake area, just S of Jtn Hwy 79 and road to Vail Lake Marina, Butterfield Valley. 457 Comment
  CHSC30431  Adenophyllum porophylloides Jeffrey M. Lund 1980-4-3 51 Riverside One mile west of Corn Springs on the side of an unimproved road. 487 Comment
  JOTR36184  Adenophyllum porophylloides La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3333 Riverside Joshua Tree National Park. Queen Mountain: near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  SD143760  Adenostoma fasciculatum Scott D. White 1997-5-25 5245 A Riverside San Jacinto Mts., Bautista Canyon: Hixon Trail, between trailhead at Bautista Cyn Road and intermittent stream crossing 975 Comment
  RSA650367  Adenostoma fasciculatum var. fasciculatum R. Garner 1974-8-28 s.n. Riverside San Jacinto Mountains. Comment
  RSA666640  Adenostoma fasciculatum var. fasciculatum A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 24995 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  CAS-BOT-BC139867  Adenostoma sparsifolium F. Grinnell Jr. 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  CAS-BOT-BC69646  Adiantum capillus-veneris Nancy Ryan Zabriskie; Walter Zabriskie 1971-11-27 466 Riverside Ca. 25' n. of stream bank, ca. 200 yds. below juncture with north canyon; Andreas Canyon, e. slope San Jacinto 359 Comment
  CAS-BOT-BC46156  Agoseris heterophylla H. M. Hall 1901-6-1 2038 Riverside San Jacinto Mountains, south side 1341 Comment
  RSA0013039  Agoseris heterophylla var. heterophylla LeRoy Gross, Caitlin Elam 2013-5-14 6043 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  POM259164  Agrostis exarata P. A. Munz 1938-8-14 153349 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA739512  Ailanthus altissima A. C. Sanders 1997-5-1 20619 Riverside Lake Skinner Area: old house site at gated road junction into Shipley Reserve Area, ca 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  UCR248029  Akebia quinata O. F. Clarke 2011-3-3 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  RSA696214  Allenrolfea occidentalis Keith E. Hoffmaster 1928-12-29 s.n. Riverside 9 mi from Dos Palmas Comment
  SBBG69673  Allionia incarnata M. N. Ackley 1928-4-3 722 Riverside Clarys Cyn, Coral Reef Ranch 60 Comment
  SD185253  Allionia incarnata John Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal between siphons 29 and 30, ca. 3 miles east of Desert Beach 24 Comment
  UCR35199  Allionia incarnata L. B. Ziegler 1966-9-13 83 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  UCR74357  Allionia incarnata Theo Glenn 1991-4-30 91- 64 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  UCR205451  Allium marvinii Diane Menuz 2008-5-16 447 Riverside Peninsular Ranges: San Jacinto Mts foothills, 3.5 miles SE of Beaumont, c. 300 meters from Highland Springs Rd. near entrance to Potrero 728 Comment
  RSA70180  Allium munzii F. W. Peirson 1922-4-28 2961 Riverside Temescal Canyon, western Riverside Co.. 320 Comment
  RSA736700  Allium peninsulare Scott D. White 2004-4-26 10250 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  RSA740615  Allium peninsulare Scott D. White, Justin M. Wood 2008-6-19 12255 Riverside USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  UCR156480  Allium peninsulare Jason L. Hlebakos 2005-5-3 622 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  SBBG54318  Alopecurus saccatus C. Davidson 1977-5-25 5648 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR80284  Alopecurus saccatus F. W. Peirson, P. A. Munz 1922-5-19 s.n. Riverside Menifee Valley 457 Comment
  SD254518  Alternanthera caracasana Mitch Provance 2013-6-18 613 30 Riverside Santa Ana River Valley: Riverside, Arlanza area, Terrace Middle School on Rutland Ave. (Riverside West 7.5'Q) 227 Comment
  CDA3263  Amaranthus albus E. E. Hogan 1958-9-12 1227 -58 Riverside 0 Comment
  RSA507509  Amaranthus albus S. A. Meyers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd & Borel Road. 396 Comment
  UCR113877  Amaranthus blitoides Mitch Provance, A. C. Sanders 2000-7-4 2089 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CAS-BOT-BC540846  Amaranthus fimbriatus Sarah J. De Groot; Duncan S. Bell 2015-9-21 7579 Riverside Santa Rosa Mountains SSW of Palm Desert. Hillside along Dunn Rd, between Asbestos Mountain and Haystack Mountain, ENE of Potrero Spring 1220 Comment
  RSA451153  Amaranthus palmeri Stephen M. Beckstrom-Sternberg 1985-9-10 1022 Riverside U.C.R. garden plots. Comment
  RSA652939  Amaranthus palmeri Mitch Provance 1998-9-5 1028 Riverside City of Riverside: Hillside area, along the S side of Dewey St., between Streeter Ave. and Palm Ave. 237 Comment
  UCR269224  Amaranthus powellii T. B. Salvato, Arlee Montalvo 2015-8-22 8238 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  RSA314492  Ambrosia acanthicarpa R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55355 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA781884  Ambrosia acanthicarpa Duncan S. Bell 2011-10-22 3002 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
  UCR176699  Ambrosia acanthicarpa R. D. Goeden 1966-10-27 s.n. Riverside Riverside, UCR Campus 366 Comment
  UCR275353  Ambrosia acanthicarpa T. B. Salvato, Melissa Clemons 2005-6-9 1496 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  CAS-BOT-BC22577  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet, Colorado Desert Comment
  LA31364  Ambrosia dumosa Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 177 Riverside Morongo Wash Comment
  POM41494  Ambrosia dumosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA624016  Ambrosia dumosa Carol Roush 1963-4-9 9 Riverside Six miles south of Highway 111 on Highway 74; North-east foothills of the San Jacinto Mountains. 457 Comment
  SD218270  Ambrosia dumosa Carol R. Annable 1995-3-10 2261 Riverside 1.6 km south of Lake Cahuilla County Park. Comment
  SEINET3133458  Ambrosia dumosa S. B. Parish 1907-4-23 6092 Riverside W border of the Colorado desert; S CA 150 Comment
  SFV11884  Ambrosia dumosa R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR120969  Ambrosia dumosa Jennie Phui 1998-6-3 106 Riverside Western Colorado Desert/San Jacinto Mtns., near Windy Point and Palm Springs Station, 6 miles NW of Palm Springs city limits, base of Mt. San Jacinto 366 Comment
  RSA11969  Ambrosia ilicifolia Philip A. Munz, D. D. Keck 1922-4-9 4782 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  UCR18583  Ambrosia ilicifolia John C. Roos, Lucille Roos 1949-4-10 4230 Riverside Sonoran (Colorado) Desert, Chuckwalla Mts, canyon 3.5 mi. SE of Desert Center 612 Comment
  OBI26016  Ambrosia salsola David J. Keil 1977-1-2 11932 Riverside Chiriaco Summit along I-10 between Indio and Blythe Comment
  RSA596775  Amorpha fruticosa D. L. Banks, K. D. Hedge 1996-5-16 1041 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  SEINET3218584 Image available Amorpha fruticosa var. occidentalis Lynn Baasch 1971-5-24 Riverside Santa Ana River bed 1/4 mi S. E. of U.P.R.R. bridge. Comment
  UCR70812  Amorpha fruticosa var. occidentalis D. L. Crawford, I. M. Johnston 1917-6-9 1225 Riverside San Bernardino Valley/Upper Santa Ana River, Santa Ana River near Corona 152 Comment
  SDSU18726  Amsinckia intermedia C. Matt Guilliams 2008-2-13 454 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. 410 Comment
  UC1929489  Amsinckia intermedia Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10460 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
  UC480367  Amsinckia intermedia Ivan Johnston Apr 4 1917-Apr 6 1917 989 Riverside mouth of Andreas Canyon; Colorado Desert 243 Comment
  UCR163218  Amsinckia intermedia T. B. Salvato, Kelly Volansky 2003-3-27 135 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR214547  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37860 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCD119761  Amsinckia menziesii A. C. Sanders; G. Helmkamp 1997-3-15 19982 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill. Comment
  RSA0089922  Amsinckia menziesii var. menziesii H. de Forest, George C. Johnstone 1925-4-17 s.n. Riverside Cabazon. Comment
  SD178191  Amsinckia menziesii var. menziesii A. C. Sanders, Guy Bruyea 2004-4-2 27413 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
  UCR228815  Amsinckia retrorsa A. C. Sanders 2011-4-26 39326 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  UCR244404  Amsinckia tessellata var. tessellata Jim Andre 2012-4-16 20956 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
  UCR249660  Amsinckia tessellata var. tessellata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7297 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
  CHSC100  Amsonia tomentosa M. Anthony 1954-4-14 Riverside Near Joshua Tree National Monument. 762 Comment
  UC1329904  Amsonia tomentosa James E. Cole 1941-5-5 695 Riverside Queen Valley Joshua Tree Nat'l Monument, Queen Valley 1310 Comment
  JOTR01143  Amsonia tomentosa Cole, James E. 1941-5-14 702 Riverside Joshua Tree National Park. QUEEN VALLEY 1280 Comment
  RSA650083  Anagallis arvensis Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  RSA387340  Ancistrocarphus filagineus Steve Boyd 1986-4-22 1772 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  UCR114540  Anemopsis californica A. C. Sanders, K. C. Rose 1999-6-18 22808 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA416701  Antennaria rosea Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  OBI37456  Antirrhinum coulterianum Jennifer Lyman 1981-5-22 s.n. Riverside San Jacinto Mts. E side of mt San Jacinto. USFS San Jacinto Mtn 1829 Comment
  RSA425791  Antirrhinum coulterianum Ora M. Clark 1929-2-23 1563 Riverside North of Whitewater Comment
Read comments
Dec 31 2017
  UCR86988  Antirrhinum coulterianum Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  JOTR01204  Antirrhinum coulterianum Cole, James E. 1941-5-3 833 Riverside Joshua Tree National Park. FLAT EAST OF QUAIL MOUNTAIN 1402 Comment
  RSA679173  Antirrhinum nuttallianum Fred M. Roberts 2003-7-11 5961 Riverside San Mateo Canyon Wilderness, unnamed tributary to san Juan Creek, 0.9km ESE Upper San Juan Campground. 666 Comment
Read comments
Nov 24 2014
  RSA689390  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-6-17 9546 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  RSA586938  Antirrhinum nuttallianum subsp. nuttallianum D. L. Banks, Peter Morrell 1995-5-4 304 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, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  UCR3339  Antirrhinum nuttallianum subsp. nuttallianum T. R. Plumb 1964-4-9 s.n. Riverside Box Springs Mtns, Box Springs Mt., 1 mi SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] off S fork of road 762 Comment
  SD185109  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 miles easoutheast of Gavilan Peak. 622 Comment
  HSC80297  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside 7 mi W of Rancho California 366 Comment
  RSA575846  Apocynum cannabinum Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain 329 Comment
  SDSU12238  Apocynum cannabinum Shasta Gaughen, M. G. Simpson 2000-4-29 9 Riverside Comment
  UCR133656  Apocynum cannabinum Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  PASA2387  Aquilegia truncata Sally Ellis 1939-6-21 Riverside Halona, Idyllwild Comment
  RSA0125491  Arabis R. F. Thorne, Walter Wisura 1977-9-17 50772 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA740071  Arabis glabra Scott D. White, Justin M. Wood 2008-6-16 12134 Riverside Meadow at Quinn Flat. 1378 Comment
  UC667310  Arabis glaucovalvula Annie M. Alexander and Louise Kellogg 1941-4-29 2103 Riverside 13 mi sw 29 Palms; Joshua Tree National Monument 1371 Comment
Read comments
Sep 18 2012
  UC667363  Arabis glaucovalvula Annie M. Alexander and Louise Kellogg 1941-5-4 2110 Riverside Joshua Tree National Monument 1249 Comment
  POM13572  Arabis perennans P. A. Munz 1922-6-28 5876 Riverside Santa Rosa Mountains. [San Jacinto Mountains] 2409 Comment
  UCR110993  Arabis perennans George K. Helmkamp 1998-6-27 4112 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  SEINET3239901  Arceuthobium californicum R. L. Mathiasen 2009-1 2009 -70 Riverside 11.2 km N of Idylwild on St. Rte. 243. 1870 Comment
  UCR92754  Arceuthobium campylopodum George K. Helmkamp, E. A. Helmkamp 1995-11-16 5- 01 Riverside San Jacinto Mtns, W end of Garner Valley, 0.5 mi east of Calif. 74 on Apple Canyon Rd. (just NE of Lake Hemet) 1341 Comment
  RSA629175  Arctostaphylos Jon E. Keeley 1992-7-17 16794 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629400  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19529 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  SD110279  Arctostaphylos glandulosa J. Dice, J. Kerbavaz 1981-1-26 Riverside West side of I-15 just north of Italian Aires restaurant, southernmost Riverside County. Comment
  UCR121643  Arctostaphylos glandulosa A. C. Sanders, Kent Beaman 2002-5-10 25056 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
  UCR277896  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42674 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
  SEINET11994916  Arctostaphylos glandulosa W. Knight, Knight, I. 1985-1 6063 Riverside between Idyllwild & Banning on Hwy 243 between Vista Grande Forest Station & Hurley Flats Rd 1463 Comment
  RSA263738  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1968-5-22 6901 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  POM3409  Arctostaphylos glauca L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  RSA631831  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15529 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 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
  UCR94266  Arctostaphylos glauca Scott D. White 1996-4-14 3922 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA633529  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20121 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633592  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22507 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633650  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20131 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633681  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21773 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633688  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16666 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA5251  Arctostaphylos patula subsp. platyphylla C. B. Wolf 1932-8-5 3988 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2560 Comment
  SEINET5539347  Arctostaphylos pringlei R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians, W 25d slope. 1524 Comment
  POM48359  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1924-7-28 8796 Riverside Pine Flats 1738 Comment
  UCR121226  Arctostaphylos pringlei subsp. drupacea Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2300 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCSB26243  Arctostaphylos pringlei subsp. drupacea Gliessman, Stephen 1968-7-17 Riverside 50 yards south of Little Thomas Mountain Road, 3.7 miles north of junction with Highway 74, Little Thomas Mountain 1584 Comment
  RSA635807  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16537 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  RSA636175  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19478 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  UCR199611  Argemone munita Scott D. White, Angelia Carey 2004-7-2 10568 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SD73608  Argemone munita subsp. munita Helen V. Witham 1970-5-1 862 Riverside Bautista Canyon, southeast of Hemet. 800 Comment
  SD114910  Argemone munita subsp. robusta D. Diaz 1982-5-18 Riverside Santiago Peak. Comment
  CAS-BOT-BC27541  Argythamnia californica Harvey Monroe Hall 1905-4-1 5796 Riverside Marshall Canyon, 7 mi. W of Coachella 30 Comment
  CAS-BOT-BC207122  Argythamnia lanceolata S. B. Parish 1896-4-4 4141 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mt. 213 Comment
  CAS-BOT-BC207129  Argythamnia lanceolata Carl B. Wolf 1932-6-15 3735 Riverside North of Utopia, Eagle Mts., Colorado Desert 228 Comment
  CAS-BOT-BC202500  Argythamnia serrata Lewis S. Rose 1935-12-23 35690 Riverside Above Deep Canyon, San Jacinto Mts. Comment
  RSA0043067  Argythamnia serrata Duncan S. Bell, LeRoy Gross 2014-3-20 6265 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  CAS-BOT-BC137648  Aristida adscensionis D. A. Johansen; J. A. Ewan 1932-4-11 7089 Riverside Martinez Canyon, Santa Rosa Mountains. 365 Comment
  RSA774926  Aristida adscensionis Duncan S. Bell 2011-4-7 2166 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
  RSA786233  Aristida adscensionis C. P. Cowan 1978-4-23 1225 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
  UCR251717  Aristida adscensionis Deidre Conocchioli, Sarah J. De Groot 2013-9-18 48 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 23 miles west of Blythe on I-10, Ford Dry Lake exit, Chuckwalla Valley Road 1.5 miles west to near Graham Pass Road 122 Comment
  UCR274669  Aristida adscensionis Stephanie Rockwood, Christi Gabriel 2011-10-18 132 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 99 Comment
  UCR92639  Aristida adscensionis George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  JOTR34101  Aristida purpurea var. nealleyi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2750 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCD56548  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside head of Deep Canyon. 1219 Comment
  UCR95423  Aristida ternipes var. gentilis D. L. Banks, Dylan Hannon 1996-5-3 0984 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 300 m east of the Dripping Springs Guard Station 488 Comment
  IRVC491  Artemisia douglasiana R. H. Whittaker, W. A. Niering 1963-6-6 SJ 259 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  UC29672  Artemisia dracunculus H. M. Hall 1901-6-8 2012 Riverside San Jacinto River Canyon San Jacinto Mountains, San Jacinto River Canyon 762 Comment
  SEINET4972698  Artemisia dracunculus Unknown 1973-10-16 179 a Riverside Toro Peak, summit of Santa Rosa Mountains, near Palm Springs Comment
  CAS-BOT-BC93765  Artemisia ludoviciana subsp. albula Edmund C. Jaeger 1922-4-21 s.n. Riverside Palm Springs, Tacquitz Canyon [Canon] Comment
  RSA189420  Artemisia ludoviciana subsp. albula L. S. Rose 1966-12-14 66106 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  UCR21345  Artemisia ludoviciana subsp. incompta Frank C. Vasek 1966-9-5 660905- 06 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  SD259960  Asclepias albicans J. Andre 2012-4-11 20788 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Sutah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky (granitic) hills and large wash. 729 Comment
  UC1951126  Asclepias asperula Scott D. White, Justin Wood 2009-5-22 12894 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  UCR59749  Asclepias californica Steve Boyd, T. Ross, et al 1989-3-31 3086 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  JEPS6273  Asclepias eriocarpa Carl V. Meyer 1928-7-1 618 Riverside Saunders Meadow; San Jacinto Mountains Comment
  SBBG5703  Asclepias eriocarpa H. and M. Dearing 1940-6-9 4366 Riverside Palms to Pines Hwy, W of Ribbonwood Comment
  SEINET955313  Asclepias eriocarpa Louis B. Ziegler 1964-1 36 Riverside San Jacinto Mountains. Garner (Hemet) Valley. 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
  UC68698  Asclepias subulata H. M. Hall May 1905 5995 Riverside near Indio; Colorado Desert 60 Comment
  RSA674961B  Aspidotis californica Scott D. White, T. B. Salvato 2001-6-8 8590 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR261103  Aspidotis californica Joseph Cahill 2011-1-8 111- 02 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCR205967  Aster ascendens Scott D. White 2003-10-9 9820 B Riverside San Jacinto Mountains, Pine Cove area, Dutch Flat 1753 Comment
  CAS-BOT-BC177458  Astragalus aridus A. C. Sanders 2010-3-15 37408 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA0029395  Astragalus aridus Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4681 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA415777  Astragalus aridus M. B. Dunkle 1934-3-18 3856 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  UCR170098  Astragalus aridus John F. Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10 12 Comment
  JOTR32359  Astragalus bernardinus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2474 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  POM244784  Astragalus bernardinus E. C. Jaeger 1938-5-14 s.n Riverside Covington Flats, Joshua Tree National Monument. 1280 Comment
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Aug 30 2011
  RSA49360  Astragalus bernardinus P. A. Munz 1949-4-11 13006 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 915 Comment
  POM26135  Astragalus crotalariae Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UC665878  Astragalus crotalariae Ira L. Wiggins 1941-3-24 9580 Riverside 2.7 mi s Mortmar (eastern side Salton Sea); , s of Mortmar Comment
  UCD104705  Astragalus didymocarpus Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3185 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 487 Comment
  RSA779009  Astragalus didymocarpus var. dispermus Duncan S. Bell 2010-4-1 643 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  UC218254  Astragalus douglasii var. parishii P. A. Munz 1922-6-29 5895 Riverside Santa Rosa , Santa Rosa (Santa Rosa Mts.) 2011 Comment
  UCR95958  Astragalus douglasii var. parishii Scott D. White 1996-8-1 4422 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA736309  Astragalus gambelianus Scott D. White, Justin M. Wood 2008-3-25 11785 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  GMDRC5491  Astragalus lentiginosus var. fremontii J. Andre 2012-4-16 20938 Riverside Little San Bernardino Mountains: along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of Natl Park Loop Rd (paved). 990 Comment
  UCR52417  Astragalus leucolobus David Charlton 1988-5-28 2116 Riverside Santa Rosa Mtns, S of Hwy 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp area, S facing slopes, E side 2287 Comment
  RSA45507  Astragalus nutans L. C. Roos, John C. Roos 1949-4-10 4228 Riverside Chuckawalla Mts. about 3.5 miles southeast of Desert Center. Comment
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May 26 2015
  UC81354  Astragalus palmeri S. B. Parish Mar, 1881 735 Riverside Agua Caliente (i.e. Palm Springs) Agua Caliente (Palm Springs) Comment
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Jul 15 2009
  PASA2745  Astragalus pomonensis Frank W. Peirson 1920-6-6 7696 Riverside Dripping Spring, Temecula River 457 Comment
  SD8526  Astragalus pomonensis Daniel Cleveland 1882-5-3 Riverside San Jacinto Plains (mak 8/07) Comment
  CLARK-A1528-1152  Astragalus tricarinatus John C. Roos 1973-3-31 Riverside Whitewater 457 Comment
  RSA516886  Athysanus pusillus Steve Boyd 1986-3-1 1373 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  JEPS30499  Atrichoseris platyphylla Donald Kyhos 1958-2-15 58 -14 Riverside Cold Springs Chuckawalla Mountains, Cold Springs Comment
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Nov 22 2011
  JOTR34391  Atrichoseris platyphylla Andre, Jim 2012-4-16 20918 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  RSA480072  Atrichoseris platyphylla Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2161 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  SDSU6305  Atrichoseris platyphylla Mark Dodero 1992-5-1 1 V92A Riverside Box Canyon road, ca. 6.7 miles northeast of Hwy. 111 Comment
  RSA5459  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SD212554  Atriplex canescens A. C. Sanders, J. Andre, et al. 2005-2-26 29128 Riverside Sonoran Desert; southeast of Highway 177 toward dunes above Palen Dry Lake, southeast end of Coxcomb Mountains. 167 Comment
  JEPS3951  Atriplex canescens subsp. canescens S. B. Parish 1912-10-11 8255 Riverside Salton Basin; Caleb -60 Comment
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Sep 4 2011
  CLARK-A1045-344  Atriplex canescens subsp. linearis George K. Helmkamp 1977-11-6 Riverside Salton Sea Salton Sea State Recreation Area; Salt Creek Campground area; between the highway and the Sea, just north of Salt Creek; Durmid 7.5'Q Comment
  SEINET11940360  Atriplex lentiformis T. J. Crovello 1963-1 298 Riverside Just W of State Highway 111, on Avenue 64, N of Mecca Comment
  RSA486455  Atriplex lentiformis subsp. breweri Richard Noyes, L. Arnseth 1988-10-30 761 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA760984  Atriplex polycarpa Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-20 146 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  CDA2929  Atriplex semibaccata Steve Boyd 1989-7-9 3786 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  SEINET4136168  Atriplex serenana D. Bramlet 1991-5-2 2112 Riverside 7.6 km west of Hemet and some 1.4 km. southwest of the intersection of Warren Rd. and Setson Ave. This population is some 68 m. south of Setson Ave. and some 320 m. east of the MWD canal. Plants were located approximately 3 m. from an existing dirt channel. Winchester 7.5 USGS Quadrangle.; 0 Comment
  UCR206019  Atriplex serenana var. serenana John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR167788  Atriplex suberecta T. B. Salvato, Gregg Miller 2005-6-3 1386 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  RSA777347  Avena barbata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4705 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 W116.65126 604 Comment
  IRVC1476  Avena fatua Don Pfirrmann 1965-4-24 HS 78 Riverside Highway 74; 1/4 mile SE of Sven Camp summit. Comment
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Mar 30 2014
  CAS-BOT-BC213218  Ayenia compacta Edmund C. Jaeger 1922-10-15 s.n. Riverside Tacquitz Canyon, Palm Springs Comment
  JEPS40702  Baccharis brachyphylla Marjorie D. Clary 1933-1-29 1761 Riverside nw of Indio (Colorado Desert, Santa Rosa Mts, Deep Canyon); Colorado Desert, Santa Rosa Mts., Deep Canyon 304 Comment
  UCR278378  Baccharis emoryi Mitch Provance 2012-9-5 912- 13 Riverside Beaumont Plateau, City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  SEINET10617173  Baccharis emoryi David B. Dunn 1946-2-22 Dunn 1945 a Riverside Collected on north side of Whitewater, in Colorado Desert. Comment
  CAS-BOT-BC106702  Baccharis salicifolia L. R. Abrams 1926-3-26 11069 Riverside Palm Canyon Comment
  POM319733  Baccharis salicifolia Patricia Wilder 1971-9-29 5279 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. Base of the San Jacintos. 518 Comment
  POM4663  Baccharis salicifolia F. L. Robinson, Crocker 1916-3-26 s.n. Riverside Santa Ana Mts, near Murrietta Comment
  RSA314408  Baccharis salicifolia R. F. Thorne 1982-10-8 55353 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR34877  Baccharis salicifolia L. B. Ziegler 1967-9-18 248 Riverside San Jacinto Mtns, Bautista Canyon 673 Comment
  UCR199605  Baccharis salicina Scott D. White, J. Campbell 2008-4-18 11900 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area 366 Comment
  IRVC511  Baccharis sergiloides Pat McClellan 1965-5-9 none Riverside Palm Springs Sonoran Desert Comment
  POM159821  Bahiopsis parishii E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  RSA442014  Bahiopsis parishii N. C. Cooper 1944-4-8 1077 Riverside Andreas Canyon. 305 Comment
  SBBG54311  Bahiopsis parishii B. Gustafson 1977-4-7 5576 Riverside Whitewater Cyn Rd exit from Interstate 10, ca. 2.5 mi W of jct Interstate 10 with State 62 near start of Pacific Crest Trail 609 Comment
  CAS-BOT-BC99961  Baileya pauciradiata H. M. Hall 1905-4-1 5911 Riverside Near Paloverde 91 Comment
  RSA719045  Baileya pauciradiata Michael Honer 2005-3-11 2055 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  PASA2184  Baileya pauciradiata Florence Brubaker Riverside Colorado Desert Comment
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Mar 23 2019
  RSA0127789  Baileya pauciradiata G. Rink 2013-3-22 11907 Riverside About twelve miles west of Blythe, along the power line for the proposed Quartzite solar power plant, NE of the power transfer station. 145 Comment
  UCR138576  Baileya pleniradiata Steve Boyd, Orlando Mistretta 1986-3-13 1439 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UC164871  Baileya pleniradiata S. B. Parish 1902-6-30 8093 Riverside Juniper Valley Comment
  SD232229  Barbarea orthoceras Scott D. White 2008-6-18 12232 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  CAS-BOT-BC100118  Bebbia juncea var. aspera Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13263 Riverside Divide betw. Little Maria and Big Maria Mts., 1/2 mi. S of Styx siding near Midland (Rice-Blythe road) Comment
  CAS-BOT-BC100126  Bebbia juncea var. aspera H. M. Hall; L. A. Greata 1905-5-2 5969 Riverside Chuckawalla Mts. Comment
  UC68875  Bebbia juncea var. aspera H. M. Hall 1905-5-2 5971 Riverside Chuckawalla Mts., Colorado Mts. Colorado Desert, Chuckawalla Mts. Comment
  UC893872  Bebbia juncea var. aspera I. W. Clokey 1935-4-17 6966 Riverside Shavers Wells Comment
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Dec 13 2011
  UCR87941  Berberis dictyota A. C. Sanders 1994-1-30 14228 Riverside Box Springs Mtns, Rocky N facing slope at the head of Two Trees Canyon. Comment
  UCR113891  Berberis nevinii Mitch Provance 1999-1-1 1039 Riverside City of Riverside, Granitic knoll c. 0.1 miles SW of Victoria Hill (pk 1005), west of the corner of Ivy St. and Victoria Ave. 311 Comment
  JEPS7826  Bernardia myricifolia Rimo Bacigalupi with L. R. Heckard 1953-5-5 4075 Riverside w. slopes Deep Canyon (ca. 1/2 way betw. Santa Rosa Mts. & San Jacinto Mts., above Seven Level Hill, along Palms-to-Pines Hwy.(CA #74), bordering w. side Coachella Valley); w. Riverside Co., w. Coachella Valley, Deep Canyon 1066 Comment
  SD234926  Beta macrocarpa A. C. Sanders 2008-4-15 34892 Riverside Peninsular Range: NE edge of city of Elsinore, off Nichols Rd. along Baker St. near Durant Siding. 383 Comment
  UCR114010  Bidens frondosa Mitch Provance 2000-6-24 2052 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CAS-BOT-BC140664  Bidens laevis Oleg Pryadko 2008-5-2 058 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  CSUSB939  Bloomeria crocea John Milbauer 1976-5-12 Riverside Pigeon Pass Road. Comment
  SBBG880  Bloomeria crocea var. crocea H. and M. Dearing 1940-6-8 4353 Riverside W of Ribbonwood, Palms to Pine Hwy Comment
  JOTR38525  Boerhavia coulteri var. palmeri Harding, Mitzi, Kipp Callahan 2012-8-27 294 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UC1587773  Boerhavia coulteri var. palmeri Duane Atwood 1991-9-9 17074 Riverside 4.8 mi. w. Chirachoa Summit (along I-10) Comment
  RSA0049952  Boerhavia intermedia A. C. Sanders, T. B. Salvato 2012-10-12 40419 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction. 114 Comment
  CLARK-A1528-3269  Boerhavia torreyana John C. Roos 1946-11-29 3178 Riverside Hayfield Comment
  UCR260950  Boerhavia triquetra Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6023 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
  UCR245996  Boerhavia wrightii Duncan S. Bell, Aaron Sedgwick 2012-9-13 4209 A Riverside Sonoran (Colorado) Desert, Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, c. 5 air mi northeast of the junction of Box Canyon Road and the Coachella Canal or c. 1.25 air mi southwest of Shavers Well 240 Comment
  RSA0117484  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2012-11-3 1112 -05 Riverside San Timoteo Canyon: West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of 1-10. 709 Comment
  SD152998  Bothriochloa barbinodis Steve Boyd, Tim Ross 1992-2-26 6697 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness, from Fisherman's camp downstream to confluence with Bluewater Canyon 1000 Comment
  CAS-BOT-BC145585  Bouteloua aristidoides Peter H. Raven 1958-1-24 11453 Riverside Fargo Canyon. Comment
  UCSB45564  Bouteloua aristidoides Roos, John 1946-10-26 Riverside Colorado Desert; Chuckwalla Mtns Comment
  SEINET10519835  Bouteloua aristidoides F. R. Fosberg 1932-1 Fosberg 8073 Riverside Thousand Palms. Comment
  UCR198196  Bouteloua aristidoides var. aristidoides Michael Honer, L. Hulse 2004-4-3 1917 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  RSA0018894  Bouteloua barbata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6030 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  SEINET11687202  Bouteloua barbata W. Knight, Knight, I.; Vale, J.; Wagnon, K. 1983-1 5194 Riverside Eagle Mountains Comment
  RSA0042974  Bowlesia incana A. C. Sanders, Timothy W. Chumley 2013-3-29 40714 Riverside Alberhill, Lake St. near bridge over Temescal Wash between Temescal Canyon Rd. and I-15 Fwy 380 Comment
  SEINET3287492 Image available Brachypodium hybridum O. F. Clarke 2008-5-20 s.n. Riverside Peninsular Range; Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 351 Comment
  RSA394238  Brandegea bigelovii Christopher Davidson, J. Jones 1980-4-4 9943 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA644218  Brandegea bigelovii V. W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-12 1359 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. 600 Comment
  SD134466  Brandegea bigelovii Craig Reiser 1991-5-27 Riverside Palm Desert near Bighorn Sheep Institute Comment
  RSA0066317  Brassica nigra Steve Boyd, Timothy S. Ross 1990-5-11 4608 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  JOTR38691  Brassica tournefortii Hodges, Stephen R. 2017-2-7 707 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
  RSA758326  Brassica tournefortii Doug Goldman 2005-3-3 3032 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  RSA770308  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4495 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64307 487 Comment
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Mar 7 2013
  RSA793532  Brassica tournefortii Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3955 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UCR260246  Brassica tournefortii A. C. Sanders, Jim Malusa 2015-3-9 41362 Riverside Sonoran (Colorado) Desert, 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
  UCR41335  Brassica tournefortii N. M. Fellows 1985-3-3 82 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  UC1523404  Brickellia atractyloides Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54075 Riverside 3.2 mi n, w of Whitewater Canyon Hwy 10 and Whitewater P. O.; San Bernardino Mts. 609 Comment
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Jan 14 2010
  SBBG94645  Brickellia californica S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Stn; T8S, R 1W, S22, W/2 487 Comment
  CAS-BOT-BC106179  Brickellia desertorum S. B. Parish 1913-2-8 8432 Riverside Base of mountains southw of Travertine Rock - Salton Basin 30 Comment
  UC1010309  Brickellia desertorum John and Lucille Roos 1950-9-9 4986 Riverside Mt. Rubidoux 396 Comment
  UC1010321  Brickellia desertorum John and Lucille Roos 1950-10-28 5020 Riverside 1 mi se of Moreno (n base of Mt. Russell); Mt. Russell 548 Comment
  UCR19255  Brickellia desertorum John C. Roos 1947-11-1 3752 Riverside Sonoran (Colorado) Desert, Eagle Mountains, mouth of Lost Palms Canyon, & up the canyon some distance Comment
  OBI31830  Brickellia incana David J. Keil 1978-11-27 s.n. Riverside I-1- exit at Hayfield rd Comment
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Mar 3 2013
  RSA752784  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2009-5-21 12848 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UC3326  Brodiaea terrestris subsp. kernensis H. M. Hall June, 1901 2093 Riverside meadows in vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  CAS-BOT-BC149330  Bromus arizonicus John Thomas Howell 1956-3-20 31119 Riverside 8th Street, Riverside. Comment
  UCR157592  Bromus arizonicus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16221 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  SD247282  Bromus berteroanus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41451 Riverside San Gorgonio Pass: San Gorbonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 433 Comment
  SBBG56586  Bromus carinatus M. N. Ackley 1929-5-19 Riverside Tahquitz Lodge 1524 Comment
  UCR202008  Bromus diandrus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UC1131018  Bromus grandis H. S. Yates 1936-8-29 6383 Riverside Fuller Creek 1676 Comment
  UCR96413  Bromus grandis Scott D. White 1996-8-1 4442 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  UCR2228  Bromus hordeaceus F. M. Reed 1938-5-14 10118 Riverside Perris-Aguanga Basin Region, alkaline flat SE of Perris 427 Comment
  SDSU14319  Bromus madritensis subsp. rubens Michelle Perl 2002-4-20 11 Riverside Santa Margarita Ecological Reserve north of Santa Margarita River adjacent to riparian area just northeast of junction of Santa Margarita River and Via Tornado Road. 233 Comment
  POM363961  Bromus rubens Ora M. Clark 1929-2-23 1531 Riverside South Cabazon. Comment
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Mar 13 2011
  RSA613628  Bromus tectorum D. L. Banks, Victor Steinmann 1997-3-13 1489 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
  UCR201704  Bromus tectorum Scott D. White, Justin M. Wood 2008-5-15 12003 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA28064  Caesalpinia virgata I. L. Wiggins 1941-3-27 9690 Riverside 8.2 miles west of Shaver's summit. Comment
  UCR18980  Caesalpinia virgata John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Cactus City, just east of the Mecca Hills on Interstate Hwy 10 [and 25 mi. east of Indio]. 500 Comment
  UC310280  Calandrinia ambigua Philip A. Munz 1926-1-31 9982 Riverside clay hills w Dos Palmos; Colorado Desert Comment
  SDSU13052  Calandrinia ciliata Korey Klutz 1998-3-1 15 Riverside Santa Margarita Field Station. 378 Comment
  UCR123752  Calandrinia ciliata Steven R. Hill 2001-4-29 33523 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  RSA286791  Callitriche heterophylla subsp. bolanderi R. F. Thorne 1974-5-23 44676 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado in shallow water of small tenajas of small stream 610 Comment
  SD90606  Callitriche marginata Robert F. Thorne, Earl Lathrop 1969-5-12 37925 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  UCSB9236  Calocedrus decurrens Wilson, Richard 1958-5-17 Riverside 15 miles SE of Banning on State 14 Lower Montane Community 1524 Comment
  POM48587  Calochortus invenustus Mary F. Spencer 1919-6-20 1353 Riverside Idyllwild. San Jacinto Mountians. 1616 Comment
  UC3393  Calochortus invenustus H. M. Hall Jul 1901 2475 Riverside Tauquitz Valley San Jacinto Mountains 2712 Comment
  CAS-BOT-BC483417  Calochortus invenustus H. M. Hall 1901-6-1 2297 Riverside In the vicinity of Strawberry Valley, San Jacinto Mountains 1828 Comment
  UCR130220  Calochortus palmeri var. palmeri George K. Helmkamp, E. A. Helmkamp 1998-6-27 4083 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 3.3 mi south of Calif. Hwy 74 1601 Comment
  RSA0120466  Calochortus splendens Duncan S. Bell 2016-4-16 9321 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR139161  Calochortus splendens S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  RSA561883  Calycadenia tenella Steve Boyd 1992-6-10 7626 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04), at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA674712  Calycadenia tenella Scott D. White 2000-5-1 7748 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  JOTR34075  Calycoseris parryi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2972 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UCR80032  Calycoseris parryi Theo Glenn 1991-5-2 91- 13 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  CAS-BOT-BC282915  Calycoseris wrightii Roxana S. Ferris 1953-3-11 12604 Riverside Crossing on Highway US 60-70 of Eagle Mountain Iron Mine Railroad Comment
  RSA49375  Calycoseris wrightii Philip A. Munz 1949-4-12 13038 Riverside Mojave Desert, SE part of Pinto Basin. sandy wash Comment
  UCR58337  Calyptocarpus vialis A. C. Sanders 1989-5-31 9492 Riverside Riverside, Botanic Garden of U. C. Riverside 396 Comment
  SEINET7072824  Calyptridium monandrum A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  UC667361  Calyptridium monandrum Annie M. Alexander and Louise Kellogg 1941-5-12 2157 Riverside 5.5 mi ne of Cottonwood Spring (Colorado Desert, Eagle Mountains); Colorado Desert, Eagle Mountains 868 Comment
  RSA466602  Calyptridium parryi var. parryi E. C. Jaeger 1921-6-15 s.n. Riverside Strawberry Valley. 1585 Comment
  UCR155947  Calystegia macrostegia T. B. Salvato, Kent Beaman 2005-5-16 819 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  POM71103  Calystegia macrostegia subsp. intermedia F. W. Peirson 1929-5-4 8333 Riverside In clumps on open land near Lake Elsinore. Comment
  UC604976  Calystegia macrostegia subsp. tenuifolia Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9664 Riverside foot of grade State Highway #74 (along San Jacinto River); along San Jacinto River Comment
  UCR277468  Camissonia Mitch Provance 2012-4-1 412- 38 Riverside Badlands of Western Riverside County, N side of San Timoteo Canyon Rd., about 4.5 mi WNW of intersection with I-10, N of old Haskell residence 646 Comment
  CDA39783  Camissonia bistorta Mike Lahti 2014-3-11 s.n. Riverside Bautista Canyon - East Hemet. San Bernardino National Forest. 0 Comment
  POM31999  Camissonia bistorta C. F. Baker 1903-4-5 4118 Riverside Hemet Comment
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Mar 24 2011
  UCR136270  Camissonia bistorta A. C. Sanders 2004-4-20 27546 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
  UCR215514  Camissonia bistorta Daphne K. Christopher, Hannah I. Stevens 2003-4-4 085 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR43755  Camissonia bistorta A. C. Sanders, B. Pitzer 1986-4-30 6489 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
  UCR41541  Camissonia boothii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6008 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
  POM17949  Camissonia californica P. A. Munz 1923-6-14 7107 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  RSA678445  Camissonia californica Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10497 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
  UCR239880  Camissonia californica O. F. Clarke 2004-3-31 s.n. Riverside Along Redlands Blvd. in the Badlands, between Moreno Valley and San Timoteo Canyon 655 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
  RSA0014452  Camissonia claviformis subsp. aurantiaca Justin M. Wood, J. Miner 2010-4-29 1525 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA448931  Camissonia claviformis subsp. aurantiaca P. A. Munz 1930-4-6 13708 Riverside 1000 Palms. Comment
  SEINET3093239 Image available Camissonia confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mountains, upper part of the trail toward Spitler Peak from Hurkey Creek camp to Bonita Vista Road. Comment
  UCR42445  Camissonia confusa D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  POM48990  Camissonia hirtella P. A. Munz, I. M. Johnston 1924-7-29 8846 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA715188  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
  UCR119406  Camissonia hirtella Mitch Provance 1998-6-11 645 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR20892  Camissonia hirtella A. C. Sanders 1978-7-1 458 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR214335  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38374 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR258752  Camissonia ignota T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7912 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  UCR97901  Camissonia intermedia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19853 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA0057863  Camissonia micrantha A. C. Sanders 2011-4-7 39037 Riverside Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  RSA710938  Camissonia pallida A. C. Sanders, K. C. Rose, James C. Dice, D. Woodard 1995-3-29 16252 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  UCR102209  Camissonia pallida A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19674 Riverside Colorado Desert/San Jacinto Mtns, Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon 188 Comment
  VVC2907  Camissonia pallida subsp. hallii Tim Thomas, P. J. MacKay 2010-4-12 5035 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  POM67091  Camissonia refracta Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA796095  Camissonia refracta Duncan S. Bell 2009-4-20 307 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC279693  Camissonia strigulosa Edmund C. Jaeger 1925-5-10 Riverside Vandeventer's Flats Santa Rosa Mts. 1310 Comment
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Aug 30 2011
  SDSU3317  Camissoniopsis bistorta H. Wedberg 1957-3-22 3 Riverside On Hwy 71, 5 miles north of Alberhill. 322 Comment
  UCR260848  Camissoniopsis pallida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41414 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  JOTR34129  Camissoniopsis pallida subsp. hallii Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21090 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  UCR125999  Cardaria draba Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  RSA728659  Cardionema ramosissimum R. E. Riefner 2006-5-30 06 -216 Riverside Temecula Valley, Rainbow Canyon Rd. ca. 0.7 mi. N of Pechanga Pkwy., near SW corner of the Temecula Creek Golf Course. 340 Comment
  UCR266331  Carex D. E. Bramlet 1990-6-21 2045 Riverside Peninsular Range, Vail Lake, Butterfield Campground 473 Comment
  SEINET4557247  Carex praegracilis D. E. Bramlet, P. Jacks, S. Goode 1989-1 1796 Riverside Perris-Aguanga Basin Region: Shipley Multi-species Reserve. Blue-line stream on the eastern flank of Bachelor Mtn., 700 ft north of the existing access road & 3,600 ft. W of Rawson Canyon.(Bachelor Mountain 7.5') 469 Comment
  UC1931228  Carex praegracilis Scott D. White, Justin Wood 2008-6-19 12281 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. (Idyllwild) 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
  SEINET7575123 Image available Carex senta Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7664 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  SEINET7575825  Carex spissa Steven R. Hill, Andrew C. Sanders 2001-1 Riverside Comment
  SEINET8573523 Image available Carex subfusca P. Zika, Otting, N 2010-1 25237 Riverside Comment
  RSA524444  Castilleja affinis Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4080 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SDSU14181  Castilleja affinis subsp. affinis Martin M. Lane, M. G. Simpson 2002-4-20 8 Riverside At Santa Margrita River Ecological Reserve about 1/8 mile Nothreast of Northside Field Station on the loop trail, approximately 100 yards from the river over look. 341 Comment
  RSA221714  Castilleja applegatei subsp. martinii Noel Holmgren, Liew Fah Seong 1969-6-17 3578 Riverside County road R1, 1/4 mile above Bay Tree Spring. Comment
  RSA448693  Castilleja applegatei subsp. martinii Anstruther Davidson 1883 Riverside Idyllwild. San Jacinto. Comment
  UCR174449  Castilleja exserta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32504 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
  HSC20889  Castilleja exserta subsp. exserta R. A. Eagle 1964-3-28 Riverside 5 mi. out of Riverside on the Van Buren St. Comment
  RSA0010927  Castilleja exserta subsp. exserta P. A. Munz 1927-5-21 10837 Riverside Coahuila [Cahuilla] Valley. 1220 Comment
  JEPS5399  Castilleja foliolosa John Ingram 1954-4-27 205 Riverside 10 mi e Morongo Valley road junction with U.S. Hwys 60, 70 and 99 Comment
  RSA519243  Castilleja foliolosa Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UC26428  Castilleja foliolosa H. M. Hall Jun 1901 2084 Riverside vicinity Chalk Hill; San Jacinto Mountains 1371 Comment
  UCR108395  Castilleja foliolosa D. L. Banks, V. W. Steinmann 1997-3-13 1464 Riverside NW Palomar Mtns, Agua Tibia Mtns: Vail Lake Area, N and south of Hwy 79. The hills east of Dripping Springs Alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 549 Comment
  RSA783626  Castilleja martinii J. D. Olmsted 1962-5-3 3495 Riverside Where Thomas Mt. road turns East along SW flank of north peak. 1768 Comment
  RSA588664  Castilleja minor subsp. spiralis D. L. Banks, Steve D. Boyd 1995-10-17 821 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
  SD143713  Castilleja minor subsp. spiralis Scott D. White 1997-5-25 5223 Riverside Bautista Cyn Rd., abt 1.3 road miles NW of Hixon Trailhead (USFS No. 2E43) 700 Comment
  UCR101840  Caucalis microcarpa B. G. Pitzer 1997-4-1 3057 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR91479  Caucalis microcarpa Scott D. White, Marty Jacobsmeyer 1996-4-20 3950 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  RSA614140  Caulanthus D. L. Banks 1997-2-23 1307 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA0029342  Caulanthus hallii John F. Emmel 1991-5-26 1176 Riverside San Jacinto Mts.; Spitler Peak Trail above Apple Canyon, ca. 1 air mile south of Cartridge Spring. 1585 Comment
  RSA500927  Caulanthus heterophyllus Christopher Davidson 1973-4-1 1792 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UC1536923  Caulanthus heterophyllus Gordon H. True Jr. 1935-3-1 37 Riverside Gavilan Hills 548 Comment
  UC1608300  Caulanthus heterophyllus Steve Boyd, Tim Ross, and Orlando Mistretta 1992-2-26 6700 Riverside San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon; Santa Ana Mountains, San Mateo Cyn Wilderness Area 304 Comment
  UC64616 Image available Caulanthus simulans W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1894 Riverside Coyote Canyon El Toro Mt.; Coyote Canyon, El Toro Mt. 1676 Comment
  RSA0028170  Ceanothus John F. Emmel 1988-4-27 1086 Riverside Bautista Canyon road, 0.75 road mile northwest of turnoff to Tripp Flats. 1120 Comment
  CLARK-A1528-792  Ceanothus crassifolius I. Rauch 1968-2-15 Riverside Santa Ana Mountains Comment
  OBI20188  Ceanothus crassifolius David J. Keil, Malcolm McLeod 1979-3-18 12975 Riverside 1/2 m W of jctn with Riverside cnty rd R-3 along Calif 79 549 Comment
  RSA489179  Ceanothus crassifolius Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  RSA562563  Ceanothus crassifolius Steve Boyd, W. Appleby 1993-3-14 7726 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 976 Comment
  RSA562618  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-1 7722 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  RSA570229  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7903 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
  RSA606767  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27352 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UC1871077  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-23 7901 Riverside Peninsular Ranges; Palomar Mountains region; 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, T8S R1W SE 1/4 NE 1/4 sec. 29. Elev. 2000-2200 feet. Comment
  POM13140  Ceanothus cuneatus P. A. Munz, I. M. Johnston 1922-5-19 5447 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  UCR241215  Ceanothus cuneatus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 53 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, east fork of Hathaway Canyon 945 Comment
  UC729545  Ceanothus greggii var. perplexans Carl B. Wolf 1932-5-24 3655 Riverside N base of San Jacinto Mountains, Snow Creek Canyon, 1 mi above fish hatchery 792 Comment
  JEPS42020  Ceanothus leucodermis W. L. Jepson 2291 Riverside Strawberry Valley San Jacinto Canyon 1676 Comment
  RSA262096  Ceanothus leucodermis E. W. Lathrop 1969-5-9 7029 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  UCR268306  Ceanothus leucodermis Jim Andre 2012-6-15 30511 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UCR92191  Ceanothus leucodermis D. L. Banks, Steve Boyd 1995-3-16 0098 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  RSA0019598  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 339 Riverside Palms to Pines Highway. Comment
  RSA0028795  Ceanothus leucodermis N. Cooper 1944-6-17 1444 Riverside San Jacinto Mts. Pine Cove. 1524 Comment
  POM13851  Ceanothus oliganthus P. A. Munz 1922-4-28 5034 Riverside Leach Canyon. Small canyon. 610 Comment
  POM254875  Ceanothus oliganthus W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  SEINET11192040  Ceanothus oliganthus subsp. oliganthus C. L. Schmidt 1995-3-25 1315 Riverside ca. 10 miles S of Hemet R3 (Sage Road) St. John's Canyon, close to McGee Hills. 610 Comment
  CAS-BOT-BC51650  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-23 7895 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  CAS-BOT-BC51916  Ceanothus perplexans Peter H. Raven 1958-5-17 12959 Riverside along road to Banning 6.1 miles North-West of Lake Fulmore, San Jacinto Mountains Comment
  RSA0018937  Ceanothus perplexans J. D. Olmsted 1959-4-10 345 Riverside 3 miles south of Banning on highway to Idyllwild. Drainage area into San Gorgonio Pass. 1067 Comment
  UCR34442  Ceanothus prostratus A. C. Sanders 1984-7-1 4696 Riverside San Jacinto Mtns., In experimental plots behind the Vista Grande Guard Station on Hwy 243 about 10 miles south of Banning 1494 Comment
  CAS-BOT-BC63256  Ceanothus tomentosus var. olivaceus D. Bramlet 1999-4-10 2733 Riverside Bachelor Mountain. Alongside the existing dirt road leading to Bachelor Mth., on a plateau area 305 m. e. of peak. This 737 Comment
  RSA562101  Ceanothus tomentosus var. olivaceus Steve Boyd 1992-4-14 6805 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  CAS-BOT-BC277181  Centaurea X pouzinii John Thomas Howell 1952-10-24 28864 Riverside Fuller Ranch near Corona Comment
  UCR175061  Centaurea melitensis Teresa Nieto 2005-5-26 24 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA180329  Centaurea melitensis E. W. Lathrop 1964-5-24 5396 Riverside 8 miles west of Murrieta Comment
  UCR178314  Centaurea solstitialis T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 635 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  RSA487200  Centaurium venustum James L. Reveal 1988-5-23 6862 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  UC667256  Centrostegia thurberi var. thurberi Annie M. Alexander and Louise Kellogg 1941-4-27 2100 Riverside Joshua Tree National Monument Joshua Tree National Monument Joshua Tree National Monument; Joshua Tree National Monument 1310 Comment
  UCD98025  Cerastium glomeratum L. G. Benedict 1929-5-6 s.n. Riverside San Jacinto. Comment
  RSA405361  Cercidium floridum M. B. Dunkle 1934-3-18 3858 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  RSA405368  Cercidium floridum R. S. Woglum 1937-4-24 297 A Riverside Palm Springs. Comment
  RSA498416  Cercidium floridum G. R. Johnstone, Johnstone 1930-4-14 14653 Riverside Shavers Well Comment
  RSA651716  Cercidium floridum Viki Cruz 1983-5-8 003 *k Riverside Collected 10 ft. from main entrance to Living Desert Reserve. Palm Desert. Comment
  POM202255  Cercocarpus betuloides Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  CAS-BOT-BC135452  Cercocarpus betuloides var. betuloides H. E. McMinn 1925-7-2 1510 Riverside Tahquitz Trail to Tahquitz Pk. - San Jacinto Mts. Comment
  RSA543201  Chaenactis artemisiifolia Steve Boyd 1991-5-2 6101 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SEINET5712807  Chaenactis artemisiifolia Ed LaRue 1990-1 s.n. Riverside 0.5 mi NW of town of Aguanga, N of Hwy 79 and W of Hwy 371; ca. 1.5 mi (air line) N of San Diego County line. Aguanga 7.5' USGS Quad.; Aguanga 640 Comment
  UCD130218  Chaenactis artemisiifolia Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range. Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek. 854 Comment
  CDA7360  Chaenactis carphoclinia G. D. Barbe, T. C. Fuller 1973-2-27 1058 Riverside 1.3 miles east of Coachella Canal on Highway 195, Box Canyon Wash, east of Mecca. 0 Comment
  UCR166870  Chaenactis carphoclinia Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  HSC5288  Chaenactis carphoclinia var. carphoclinia C. L. Hitchcock 1966-3-20 24314 Riverside 5 miles N of Milpitas Wash and 12 miles NW of Blythe-Glamis Rd. Comment
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Mar 2 2013
  RSA0117923  Chaenactis carphoclinia var. carphoclinia Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7640 Riverside Mecca Hills: Meccacopia Trail just east of Shaver's Well. Eastern Mecca Hills, south edge of Shaver's Valley, just west of Orocopia Mountains, east of Box Canyon, east-northeast of Mecca. 301 Comment
  RSA735399  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11226 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR75051  Chaenactis carphoclinia var. carphoclinia A. C. Sanders, E. Lawlor 1992-4-4 12106 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC276937  Chaenactis fremontii S. B. Parish 1896-4-4 4119 Riverside Palm Springs, {Agua Caliente), desert base of San Jacinto Mountain 213 Comment
  JEPS30924  Chaenactis fremontii P. Stockwell 1940-4-24 1507 Riverside 1 mi e of Banning Comment
  POM122615  Chaenactis fremontii Marcus E. Jones 1926-2-15 s.n. Riverside Whitewater. Comment
  POM351696  Chaenactis fremontii B. C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
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May 12 2016
  RSA249464  Chaenactis fremontii John F. Emmel 1973-4-7 429 Riverside Carrizo Creek wash, just SW of Pines to Palms Hwy, 4 air miles SSW of Palm Desert 320 Comment
  RSA645611  Chaenactis fremontii Scott D. White, Steve Ogg 1994-4-21 1990 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  RSA794080  Chaenactis fremontii J. Andre 2012-3-19 21364 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  SBBG7877  Chaenactis fremontii H. and M. Dearing 1937-4-10 2869 Riverside ca. 16 mi N of Indio Comment
  UC1523568  Chaenactis fremontii Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54054 Riverside along Whitewater River, e of bridge and levee and below w-facing bluff San Bernardino Mts., Whitewater River Comment
  UCR137685  Chaenactis fremontii G. A. Reese, S. Kaime 1998-4-6 4717 Riverside Sonoran (Colorado) Desert, Berdoo Canyon Jeep Trail, near Joshua Tree National Park boundary, 10 mi NE of Indio 725 Comment
  UCR41227  Chaenactis fremontii N. M. Fellows, A. C. Sanders 1985-4-9 131 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR88110  Chaenactis fremontii A. C. Sanders, G. Nuhn 1995-4-20 16585 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UC1873028  Chaenactis glabriuscula var. glabriuscula John S. Mooring 1962-3-10 572 Riverside Rim of Whitewater Canyon ca. 5 mi N of hwy 60-70. Comment
  CAS-BOT-BC277554  Chaenactis glabriuscula var. lanosa LeRoy Abrams 1903-4-15 3229 Riverside Cabazon Station Comment
  POM159847  Chaenactis glabriuscula var. lanosa E. C. Jaeger 1926-3-26 s.n. Riverside Cabazon Comment
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Mar 13 2011
  POM13922  Chaenactis stevioides var. stevioides P. A. Munz, D. D. Keck 1922-4-9 4819 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  SEINET3228133  Chamaesyce abramsiana G. Rink, T. Thomas and K. Routson 2012-9-1 11656 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  SEINET3228170  Chamaesyce abramsiana G. Rink 2012-9-10 11690 b Riverside At the Rio Mesa (proposed) Solar Power Plant about 15 miles southwest of Blytheon the east side of the Mule Mountains 125 Comment
  POM195931  Chamaesyce micromera Marcus E. Jones 1929-9-16 24879 Riverside East of Desert Center. Comment
  RSA644205  Chamaesyce micromera V. W. Steinmann 1999-10-26 1415 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  SEINET3102113  Chamaesyce micromera Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17457 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  CDA35263  Chamaesyce polycarpa M. Wasbauer 1960-3-26 s.n. Riverside Shaver s Summit. 0 Comment
  RSA680924  Chamaesyce polycarpa Scott D. White, Michael Honer 2003-5-14 9280 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC665745  Chamaesyce polycarpa I. L. Wiggins 1941-3-26 9665 Riverside Wiley Well Comment
  POM259463  Chamaesyce polycarpa var. hirtella E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  RSA432482A  Chamaesyce polycarpa var. hirtella Lester H. Cushman 1931-11-1 s.n. Riverside Arlington. Southern California Junior College. Comment
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Apr 16 2009
  RSA503388  Chamaesyce polycarpa var. polycarpa Gary D. Wallace 1966-3-4 76 Riverside Along Dillon Rd. S slopes of the Little San Bernardino Mtns. 122 Comment
  RSA741109  Chamomilla suaveolens Scott D. White, Justin M. Wood 2008-6-17 12159 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  IRVC19370  Cheilanthes clevelandii R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  RSA125298  Cheilanthes clevelandii P. H. Raven 1958-5-17 12933 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  RSA6098  Cheilanthes covillei C. B. Wolf 1932-5-24 3646 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  RSA772849  Cheilanthes covillei Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4842 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  POM9704C  Cheilanthes parishii W. F. Parish 1881-03 s.n. Riverside Andreas Canyon Comment
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Oct 27 2014
  UCR119827  Chenopodium Mitch Provance 1998-6-11 642 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR114094  Chenopodium album A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16076 A Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  UC1787312  Chenopodium berlandieri A. C. Sanders, Kelly Volansky 2003-10-16 27333 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 533 Comment
  UCR93232  Chenopodium botrys A. C. Sanders, S. Ogg 1994-7-28 15184 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  SD247398  Chenopodium californicum T. B. Salvato, John Lovio 2013-3-19 7352 Riverside Perris-Aguanga Basin: Menifee Valley, Los Alamos Road at its crossing of Wam Springs Creek, and hill west of Jeanette Drive. 390 Comment
  UC1537379  Chenopodium californicum Gordon H. True Jr. 1935-3-14 102 Riverside Gavilan Hills 609 Comment
  UCR133377  Chenopodium californicum Mitch Provance, J. S. Ross 1998-3-27 MOR- 989 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR137041  Chenopodium californicum A. C. Sanders 2004-5-5 27754 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR157948  Chenopodium desiccatum T. B. Salvato, A. C. Sanders 2005-5-17 919 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
  UCD98200  Chenopodium glaucum var. salinum A. C. Sanders 2001-11-25 24888 Riverside Moreno Valley, Hope Depot at Pigeon Pass Rd. on north side of Hwy 60. Comment
  UCR274001  Chenopodium missouriense Mitch Provance 2012-9-11 17623 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  RSA676093  Chenopodium murale Scott D. White 2001-4-12 8316 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
  UC447179  Chenopodium murale J. Ewan 1931-4-3 4127 Riverside Wiley Well Colorado Desert Comment
  UCR122337  Chenopodium rubrum A. C. Sanders, Mitch Provance 1999-9-26 23098 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  CAS-BOT-BC231771  Chilopsis linearis Louis C. Wheeler 1933-12-1 2281 Riverside San Gorgonio wash at S. P. RR, San Gorgonio Pass 640 Comment
  RSA455320  Chilopsis linearis M. B. Dunkle 1934-3-18 S.N. Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  SEINET7248345 Image available Chilopsis linearis Duncan S. Bell, Loraine Washburn 2014-1 s.n. Riverside Orocopia Mountains; at the entrance to "Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  UCR37637  Chilopsis linearis George K. Helmkamp 1984-5-5 E- 9 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  JEPS9180  Chilopsis linearis subsp. arcuata W. L. Jepson 1914-5-18 5999 Riverside Pinyon Well grade Pinyon Well grade Comment
  OBI20566  Chilopsis linearis subsp. arcuata H. E. McMinn 1935-6-27 4074 Riverside Palm Springs Comment
  RSA33365  Chilopsis linearis subsp. arcuata N. Cooper 1943-9-26 925 Riverside Cabazon. 549 Comment
  SBBG68705  Chilopsis linearis subsp. arcuata M. N. Ackley 1928-3-31 21 Riverside Painted Cyn 30 Comment
  UC2047744  Chilopsis linearis subsp. arcuata Sarah J. De Groot with Duncan S. Bell 2015-5-14 7373 Riverside White Water, along Pacific Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome. Southeast side of San Bernardino Mountains of Red Dome. USGS quad: Catclaw Flat 7.5' Q. Comment
  UCR281927  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2017-9-20 43347 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, in canyon 1.5 km west (276 deg. ) of Tabaseca Tank, 6.7 km SE of Salt Creek at mouth of Red Canyon 602 Comment
  RSA69271  Chimaphila umbellata subsp. occidentalis F. W. Peirson 1924-7-27 5004 Riverside about 1 mile west of Deer Springs, San Jacinto Mts. 2439 Comment
  LA11464  Chloris gayana A. M. Johnson; 1928-5-5 366 Riverside Indio Comment
  UC188912  Chloris virgata F. M. Reed 1904-8-14 94 Riverside Arlington Heights Comment
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Apr 2 2011
  UCR274678  Chloris virgata Stephanie Rockwood, Christi Gabriel 2011-10-18 127 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 96 Comment
  RSA0049539  Chlorogalum parviflorum Steve Boyd, David E. Bramlet 1990-4-29 4512 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA776342  Chorizanthe brevicornu Duncan S. Bell 2010-3-20 638 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  RSA776770  Chorizanthe brevicornu Amber Swanson 2011-4-8 378 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA5163  Chorizanthe brevicornu var. brevicornu Carl B. Wolf 1932-4-26 2974 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  POM147639  Chorizanthe corrugata F. M. Reed 1927-3-20 5477 Riverside Salt Creek Wash. Comment
  UCR174254  Chorizanthe fimbriata A. C. Sanders, T. B. Salvato 2006-6-2 33069 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. 579 Comment
  CAS-BOT-BC191256  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1812 Riverside Bachelor Mtn.: Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  HSC35441  Chorizanthe fimbriata var. fimbriata J. D. Ackerman, A. M. Montalvo 1975-6-26 523 Riverside Hwy. 74 between Lake Elsinor and San Juan Capistrano, near upper San Juan Campground Comment
  RSA11625  Chorizanthe parryi var. parryi C. Epling, W. M. Robinson 1934-6-24 s.n. Riverside Near Banning, San Gorgonio Wash in the Little San Bernardino Mts. Comment
  RSA537268  Chorizanthe parryi var. parryi D. E. Bramlet 1991-5-3 2115 Riverside On a samll ridge of a steep canyon between Diamond and Crown Valleys, some 1100 m. S of Diamond Valley. The population is found on a S-tending ridge 76 m. N of a blue line stream and some 300 m. W of the existing Rawson Road. 177 Comment
  UC55752  Chorizanthe parryi var. parryi H. M. Hall May, 1901 Riverside West Riverside Comment
  UCR139168  Chorizanthe parryi var. parryi S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR114146  Chorizanthe rigida B. G. Pitzer, J. Ross 1998-3-8 3618 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA525433  Chorizanthe staticoides Steve Boyd, Dave Bramlet 1990-4-29 4478 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  CAS-BOT-BC248060  Chorizanthe xanti var. leucotheca S. B. Parish 1907-4-19 6168 Riverside Palm Springs, Western edge of the Colorado Desert 200 Comment
  POM97997  Chorizanthe xanti var. leucotheca E. C. Jaeger 1926-4-15 s.n. Riverside Mission Creek Wash Comment
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Nov 5 2011
  RSA314670  Chorizanthe xanti var. leucotheca Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55494 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCR127577  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-5-28 3451 Riverside San Gorgonio wash, along dirt road to MWD tailings site, 2104m south of Cabazon, 457m north of the Colorado aqueduct 535 Comment
  RSA797252  Chrysolepis sempervirens Robert F. Thorne, Walter Wisura 1977-9-17 50790 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  UCR99566  Chrysothamnus paniculatus B. G. Pitzer 1996-11-11 2930 Riverside Sonoran (Colorado) Desert, Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. south of Bob's Cabin 274 Comment
  UCR269838  Chylismia claviformis A. C. Sanders, Jim Malusa 2016-3-18 42380 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  CAS-BOT-BC160586  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside On desert alluvial fan of Fargo Canyon Comment
  UC1184383  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11623 Riverside 4.3 mi s Rice Comment
  CAS-BOT-BC162783  Chylismia claviformis subsp. claviformis Larson; Beley 1975-4-24 74 -671 Riverside ~5 mi. N. Palm Springs, near inter. of Varner Rd. and T/C access. Comment
  RSA759591  Cirsium occidentale R. Weatherby 1950-5-18 1385 Riverside Hagador Canyon. Santa Ana Mtns. 701 Comment
  UCR241655  Cirsium occidentale var. californicum T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 368 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA0066543  Cirsium occidentale var. occidentale H. M. Hall 1904-5-24 4956 Riverside Near Riverside (bottoms along Santa Ana River). Comment
  JEPS59194  Cirsium scariosum W. L. Jepson 1901-5-27 1485 Riverside Cahuilla Valley 624 Comment
  POM6150  Cirsium scariosum L. T. Street 1917-5-15 s.n. Riverside Near Elsinore Comment
  RSA5247  Cistanthe monosperma C. B. Wolf 1932-8-5 3983 -A Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  UC20307  Clarkia dudleyana H. M. Hall June 1901 2265 Riverside in canyons of the w side San Jacinto Mountains 1524 Comment
  UCR6156  Clarkia epilobioides Galen R. Hunsicker 1967-5-18 s.n. Riverside Base of Box Springs Mtns., University of California, Riverside campus, just above new Physical Sciences parking lot near SW corner. 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
  UCR116665  Clarkia purpurea A. C. Sanders, Carolyn Washburn 2001-5-10 24233 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR174552  Clarkia purpurea Jennifer H. Jones 2006-6-6 404 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  CAS-BOT-BC163862  Clarkia purpurea subsp. quadrivulnera Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CSUSB232  Clarkia purpurea subsp. quadrivulnera Steve Kulju 1974-5-16 Riverside Santa Ana Mountains Murrieta. Tenaja Road, 1.5 miles from Washington Ave. Comment
  RSA526506  Clarkia similis Steve Boyd, T. S. Ross 1990-5-11 4701 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  SDSU9789  Claytonia parviflora subsp. parviflora D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  RSA65720  Claytonia parviflora subsp. utahensis F. W. Peirson 1921-3-22 2389 Riverside Murray Canyon near Palm Springs. 457 Comment
  SBBG34198  Claytonia parviflora subsp. viridis T. L. Secrest 1951-5-21 Riverside Idyllwild 1524 Comment
  UCR241201  Claytonia perfoliata Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 255 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR102834  Claytonia perfoliata subsp. mexicana A. C. Sanders 1997-4-3 20163 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR268590  Claytonia perfoliata subsp. mexicana Jim Andre 2012-6-15 30539 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  RSA556520  Claytonia perfoliata subsp. perfoliata Julie Greene 1993-4-10 1128 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  SDSU12858  Clematis pauciflora Janet M. Knotts with Jill Steinberg 1998-3-11 11 III1998B Riverside Ca. 1/4 mile along foot trail leading southeast from road, approximately 1/4 mile northeast of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 335 Comment
  UCR50391  Clematis pauciflora L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  POM254915  Cleome isomeris P. A. Munz 1940-3-24 15713 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA0117414  Collinsia concolor Steve D. Boyd 1986-4-22 1734 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. 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
  SEINET3079496 Image available Collinsia concolor Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. (Sage 7.5' USGS quad) 701 Comment
  UC1537416  Collinsia concolor Gordon H. True Jr. 1935-3-11 64 Riverside Sycamore Canyon; Box Springs 365 Comment
  UCR281529  Collinsia concolor Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 90 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  RSA359865  Collinsia concolor Steve D. Boyd 1986-4-2 1616 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC50322  Collinsia heterophylla H. M. Hall Apr 1903 3825 Riverside vicinity of Riverside 335 Comment
  JEPS6220  Collinsia parviflora W. L. Jepson May 17 1901-Jun 1 1901 1300 Riverside Strawberry Valley; Mt San Jacinto 1676 Comment
  UCR37032  Commelina benghalensis A. C. Sanders 1984-7-18 5108 Riverside Residence of O.F. Clarke, 1012 Spruce Street 305 Comment
  UCR250094  Convolvulus simulans A. C. Sanders 2014-4-18 41038 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Horsethief Canyon Road and Glen Eden 372 Comment
  UCR52577  Convolvulus simulans S. J. Myers 1988-6-4 s.n. Riverside Rancho California area, east of Winchester Road, between Auld Road & Borel Road 396 Comment
  RSA612848  Conyza bonariensis D. L. Banks 1997-3-1 1368 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UC26331  Cordylanthus nevinii H. M. Hall Aug. 1901 2619 Riverside s side San Jacinto Mountains 1828 Comment
  UC1523633  Cordylanthus rigidus subsp. setiger Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61201 Riverside Cole Canyon Santa Rosa Plateau, Nature Conservancy Reserve 535 Comment
  POM31848  Coreopsis californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  CLARK-A1528-1788  Corethrogyne filaginifolia John C. Roos 1965-8-19 Riverside Beaumont Comment
  SDSU13703  Corethrogyne filaginifolia var. filaginifolia James C. Dice, J. D. Tenhunen 1987-9-9 723 Riverside Ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northwest 1/4 of northwest 1/4 of section 35. 378 Comment
  RSA13961  Coryphantha alversonii P. A. Munz 1922-4-13 5015 Riverside Eagle Mountains, Colorado Desert. Sandy wash from Anshutz Canyon. 366 Comment
  SEINET5765987  Covillea tridentata George B. Grant 1906-5-1 229 -6724 Riverside Colorado desert at Palm Springs, southern California Comment
  UCR116507  Crassula aquatica A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 744 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  HSC6503  Crassula connata C. L. Hitchcock 1966-3-15 24149 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  SDSU13920  Crassula connata Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2136 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR232785  Crassula connata John F. Green 2008-4-15 0408- 23 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR117385  Cressa truxillensis A. C. Sanders, T. B. Salvato 2001-5-25 24381 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR126928  Cressa truxillensis Julie A. Greene 1993-5-12 1292 Riverside San Jacinto Valley, San Jacinto Wildlife Area, north side of San Jacinto River levee, west of Davis Road 433 Comment
  UCR239851  Crinodendron patagua O. F. Clarke 2004-5-12 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SD137802  Crocanthemum aldersonii Darin L. Banks, Steve Boyd 1995-6-2 572 Riverside Northwest Palomar Mountains; Cleveland National Forest, Agua Tiobia Wilderness Area; north face of north peak of Agua Tibia Mountain. 890 Comment
  CAS-BOT-BC181570  Crossosoma bigelovii Frank W. Peirson 1922-4-9 s.n. Riverside Andreas Canyon - Colorado Desert 457 Comment
  UCSB32953  Crossosoma bigelovii Patterson, R.; Smith, Dale; Timbrook, Steven 1977-2-28 Riverside Base of Pacific Crest Trail, in Whitewater Canyon, ca. 0.5 mi. S of trout farm 800 Comment
  RSA757623  Croton californicus LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4335 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
  SD187396  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills, along stream 548 Comment
  SEINET6702017 Image available Croton californicus B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1488 Riverside Gavilan Peak. 610 Comment
  UC1979558  Croton californicus Darin L. Banks, Steve Boyd 1995-5-3 275 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR115999  Croton californicus A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23320 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  HSC24855  Cryptantha angustifolia James Henrickson 1971-4-2 5476 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  RSA795929  Cryptantha angustifolia Duncan S. Bell 2009-4-20 301 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  RSA799878  Cryptantha angustifolia Scott D. White, Robert Black 2011-2-25 13388 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  SBBG97219  Cryptantha angustifolia W. L. Halvorson 1977-3-8 77 -83 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SBBG63623  Cryptantha barbigera E. Rockwell -Jan-1926 32 Riverside near Palm Springs 138 Comment
  UC551834  Cryptantha barbigera F. R. Fosberg 1932-3-13 10627 Riverside Thousand Palms Canyon Comment
  SEINET10455562  Cryptantha barbigera A. K. Evans 1976-4-13 Evans 5186 Riverside Rocky slopes of Santa Rosa mountains. Comment
  OBI20704  Cryptantha barbigera var. fergusoniae Robert F. Hoover 1969-4-11 11210 Riverside Mouth of Morongo Valley Cyn Comment
  UCR182314  Cryptantha corollata Mitch Provance 2003-4-5 6614 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  RSA0030696  Cryptantha costata J. Andre 2013-3-27 24795 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  UCR85077  Cryptantha costata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16021 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA777535  Cryptantha decipiens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 915 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR127961  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16117 Riverside Coachella Valley, NW end of valley, wash east of Hwy 62 and south of Indian Ave, 0.45 mi south of Indian on Worsley Rd 500 Comment
  CLARK-A1528-2217  Cryptantha intermedia John C. Roos 1947-3-21 3366 Riverside Reche Canyon Comment
  JEPS82348  Cryptantha intermedia L. R. Heckard 1969-4-24 2162 Riverside about 7 mi s Sage (along Highway 79) Comment
  POM280807  Cryptantha intermedia Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  RSA550036  Cryptantha intermedia W. Wisura, A. King, L. Newcomb 1992-4-10 4671 Riverside Low Desert: Whitewater Road N of I10 Comment
  RSA700066  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-25 9107 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
  UCSB38685  Cryptantha intermedia Cowan, Clark 1978-4-24 Riverside 19.6 mi. (31.3 km.) S on 74 from jct. w/ Hwy. 111 at Indian Wells Sta. Rosa Mt. Rd., 1.9 mi. (3 km.) S. of 74 Comment
  JOTR33866  Cryptantha maritima La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3053 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; rocky basalt slopes above Pinto Wash 377 Comment
  RSA701218  Cryptantha maritima Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11274 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage.Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SBBG104070  Cryptantha maritima A. C. Sanders, E. J. Lawlor 1992-4-4 12103 Riverside within 0.5 mi of McCoy Spring; alluvial slopes below and to the S and cyn bottom above the spring 243 Comment
  UC1606965  Cryptantha maritima Robert F. Thorne, W. Wisura, A. Shmida, and R. Whittaker 1978-4-23 52033 Riverside Palms to Pines Highway San Jacinto Mountains, Chino Canyon Comment
  UCR112400  Cryptantha maritima A. C. Sanders, T. B. Salvato 2000-5-16 23392 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  UCR148449  Cryptantha maritima 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
  UCR30071  Cryptantha maritima George K. Helmkamp 1983-4-5 483 11 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  SDSU18682  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 49 Riverside Joshua Tree National Park. 500ft south of Cottonwood Springs Campground, on path to Mastodon loop trail. 640 Comment
  POM305855B  Cryptantha micrantha Henry J. Ramsey 1938-4-23 1165 -B Riverside Santa Rosa Mtns. Comment
  SEINET10456362  Cryptantha micrantha David B. Dunn 1948-3-14 Dunn 3770 Riverside Found in flat open sands near Hidden Springs Ranch 5 mi S of the Indio Hills in the Colorado Desert. Comment
  RSA0089245  Cryptantha micrantha subsp. lepida Steve D. Boyd, Gary D. Wallace 2005-7-30 11639 Riverside Peninsular Ranges; San Jacinto Mountains region: San Jacinto Mountains State Park, Hidden lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek. 2659 Comment
  RSA792627  Cryptantha micrantha var. lepida R. F. Thorne 1995-3-29 63025 Riverside White Water Canyon 600 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
  UCR47740  Cryptantha micrantha var. micrantha F. R. Fosberg 1932-3-13 10625 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 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
  RSA797509  Cryptantha microstachys C. P. Cowan 1978-4-25 1272 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  UCR91398  Cryptantha microstachys Scott D. White 1995-4-5 2717 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  RSA562115  Cryptantha muricata Steve Boyd 1992-4-14 6791 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  SBBG118556  Cryptantha muricata L. Gross with V. Soza 2003-5-8 832 Riverside N end of Rouse Ridge, S of the San Jacinto River, N of Rouse Hill Rd; T5S R2E S19, Center 777 Comment
  UC24695  Cryptantha muricata H. M. Hall 1901-6-1 2052 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCD119934  Cryptantha muricata Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3162 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 487 Comment
  UCR156081  Cryptantha muricata T. B. Salvato, Kent Beaman 2005-5-16 812 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
  UCR174386  Cryptantha muricata A. C. Sanders 2006-5-19 32414 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
  RSA771786  Cryptantha muricata var. jonesii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4702 -a 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 W116.65121 604 Comment
  UCR140935  Cryptantha nevadensis 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
  SBBG6272  Cryptantha racemosa H. and M. Dearing 1942-3-10 4826 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  SEINET188116  Cryptantha racemosa C. L. Hitchcock 1940-3-31 5892 Riverside Between Cottonwood Springs and Pinto Basin. Comment
  RSA394320  Cucurbita foetidissima H. S. Gentry 1947-8-9 7644 Riverside Hind Ranch, Murrieta Comment
  UCR182506  Cuscuta salina Mitch Provance 2005-5-17 6562 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA49307  Cuscuta subinclusa Duncan S. Bell, Colleen Wheeler 2010-7-19 1632 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  POM78926  Cycloloma atriplicifolium I. M. Johnston 1925-7-1 s.n. Riverside 1 mile W of Wineville on Ontario Road [Mission Blvd.] Comment
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Jul 25 2009
  SEINET2449498  Cylindropuntia ramosissima Sears 1978-3-16 811 Riverside 10 mi N of Blythe along road to Midland. Forrhills of the Big Maria Mts.; 0 229 Comment
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Nov 18 2015
  CAS-BOT-BC114541  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Perris: Nuevo Road near intersect. w/Wilson Ave., W of the San Jacinto Riv crossing. 432 Comment
  CLARK-A1528-2  Cyperus eragrostis Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCR59812  Cyperus eragrostis Jeri Hirshberg 1989-7-19 s.n. Riverside vicinity of Lake Skinner: dry streambed below dam, north of stock pond & treatment plant Comment
  RSA605754  Cyperus involucratus A. C. Sanders, G. K. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Canyon in vicinity of the debris basin above the W end of Sunny Dunes Road. 183 Comment
  UCR92398  Cyperus parishii F. M. Reed 1907-9-15 1936 Riverside Riverside, Santa Ana River at Chinatown ford 244 Comment
  CSUSB1203  Dalea californica Margaret-Lee Dean 1965-4-15 Riverside 1 mile west of Indian Ave. on highway 60, north of Palm Springs. 213 Comment
  RSA684339  Dalea emoryi Scott D. White, Michael Honer 2003-4-18 9039 Riverside Coachella Valley. Open sand north of the I-10 Freeway at Jefferson Ave. interchange. 12 Comment
  RSA708494  Dalea mollis Scott D. White, Jennifer H. Jones 2005-4-12 10865 Riverside Coachella Valley: Indio area, vacant land northeast of the I-10 Freeway interchange at Jefferson. 12 Comment
  CLARK-A1528-470  Dalea mollissima Rodney Hendrick 1965-3-14 Riverside Box Canyon 182-274 Comment
  RSA778248  Dalea mollissima Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 934 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR24509  Dalea mollissima John C. Roos 1949-3-19 4106 Riverside Sonoran (Colorado) Desert, near Dos Palmas Spring on the E side of the Salton Sea in the vicinity of Salt Creek -30 Comment
  UCR61938  Dalea mollissima C. B. Wolf 1932-4-27 02994 Riverside Western Colorado Desert, 14 mi. east of Mecca, on Blythe Road, east of Shavers Well 152 Comment
  CLARK-A1528-2775  Dalea spinosa John C. Roos 1947-2-15 3233 Riverside Eagle Mountains Comment
  POM1188  Dasyochloa pulchella I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Colorado Desert. 366 Comment
  RSA736535  Datisca glomerata Scott D. White 2004-4-26 10268 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  RSA0124123  Datura discolor Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8738 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  JEPS12291  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shaver Wells Comment
  POM98740  Datura wrightii Philip A. Munz 1926-1-31 9972 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA263731  Daucus pusillus E. W. Lathrop 1966-5-8 6517 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA470788  Daucus pusillus Robert Gustafson, Gary D. Wallace 1983-6-23 2707 Riverside Santa Ana Mountains, Clinton Keith Road near junction with Tenaja Road. Comment
  SEINET7838966 Image available Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside Vicinity of Riverside 366 Comment
  RSA703250  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -143 Riverside Moreno Vallaey, along Allesandro St. near Merwin St. intersection. 487 Comment
  CAS-BOT-BC291902  Deinandra mohavensis A. C. Sanders; Steve Boyd; Jeff Ross; Mitch Provance 1998-10-25 22272 Riverside San Jacinto Mtns.: Hwy 243 between Idyllwild and Mountain Center, 1 mile north of Mtn. Center 1159 Comment
  UC2030087  Deinandra mohavensis Scott D. White 2000-8-5 8100 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  SD181703  Deinandra paniculata Scott D. White 2001-6-20 8596 Riverside Just east of Goetz Road and south of Ethanac Road, ca. 1.5-2.0 miles west of I-215 Freeway. 441 Comment
  SD193223  Deinandra paniculata David Charlton 2005-8-10 Riverside Perris-Aguanga Basin Region: Perris, southwest corner of Perris Valley Airport, corner of Mapes Rd. and Goetz Rd. 430 Comment
  SD240868  Deinandra paniculata Jeremiah George 2011-7-18 Riverside Peninsular Range; Elsinore Trough: North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction. West side of riparian strip. 384 Comment
  UC69877  Deinandra paniculata C. M. Wilder 1905-7-10 127 Riverside Jurupa Hills Comment
  UCR18913  Delphinium cardinale John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  RSA398684  Delphinium parishii Emery M. Whilton 1937-3-19 s.n. Riverside taken in the foothills near Palm Springs, Coachella Valley Comment
  UCR16750  Delphinium parishii B. A. Carlson 1978-4-30 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 396 Comment
  CAS-BOT-BC7981  Delphinium parishii subsp. parishii J. E. Cole 1942-5-10 951 Riverside Joshua Tree National Monument 1341 Comment
  CLARK-A1528-3862  Delphinium parishii subsp. parishii John C. Roos 1948-4-24 3791 Riverside Cabazon Comment
  SD214619  Delphinium parishii subsp. parishii Edith A. Purer 1935-4-21 6469 Riverside Hillside, near Palm Springs, east side of San Jacinto Mountain Comment
  RSA0019620  Delphinium parishii subsp. parishii N. C. Cooper 1944-4-8 1069 Riverside Andreas Canyon. 457 Comment
  LA207621  Delphinium parishii subsp. subglobosum K. Watkins; E. McClintock 1937-4-10 sn Riverside Palms to Pines Highway, 2 mi. above valley Comment
  RSA525282  Delphinium parryi Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4596 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA561019  Delphinium parryi Steve Boyd 1992-5-4 7191 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SBBG122777  Delphinium parryi A. Parikh 1990-4-17 152 Riverside 0.4 km S of Potrero Crk, 4.1 km ENE of Gilman Hot Springs 665 Comment
  UCR175068  Delphinium parryi Teresa Nieto 2005-4-24 15 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  HSC86133  Delphinium patens subsp. montanum B. Freeman 1969-6-19 690619 Riverside James Reserve 1646 Comment
  CLARK-A1528-1355  Dendromecon rigida Robin Kobaly 1972-5-13 RLK 720513 Riverside San Jacinto Mountains 1219 Comment
  RSA652537  Dendromecon rigida R. Garner 1974-7-15 s.n. Riverside San Jacinto Mts. Comment
  UC917871  Dendromecon rigida Frank W. Gould 1943-4-18 2140 Riverside e Idlewild; Riverside County Park Comment
  CAS-BOT-BC198169  Deschampsia danthonioides Frank W. Peirson 1922-5-19 3022 Riverside 10 mi. NE of Murietta along roadside, Menifee Valley Comment
  CAS-BOT-BC198174  Deschampsia danthonioides John Thomas Howell 1930-5-10 4776 A Riverside Marsh Field Comment
  RSA0013137  Deschampsia danthonioides LeRoy Gross, Caitlin Elam 2013-5-14 6076 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA557346  Deschampsia danthonioides Julie Greene 1993-5-12 1305 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  UC1951134  Deschampsia danthonioides Scott D. White, Justin Wood 2009-5-21 12855 Riverside SAN JACINTO MOUNTAINS: Garner Valley, near abandoned duck ponds, S of Quinn Flat. USGS Idyllwild 7.5' Quad. Comment
  RSA162710  Descurainia pinnata John Olmsted 1958-3-29 88 Riverside 24 miles N of Jct between Cottonwood Pass and Cottonwood Spring roads. On the former now become Pinto Basin Road, Joshua Tree National Monument. 991 Comment
  JEPS9739  Dicentra chrysantha Marjorie D. Clary 1932-7-4 1214 Riverside Aguanga Valley 609 Comment
  UCR133391  Dicentra chrysantha Tracy Tennant, T. B. Salvato 1998-6-23 484 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR22308  Dicentra chrysantha Steve Boyd 1980-12-20 368 Riverside Peninsular Range, Gavilan Hills, Gavilan plateau, radio tower ridge south of Gavilan Peak Comment
  RSA771622  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5002 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
  UCR225590  Dichelostemma capitatum A. C. Sanders, T. B. Salvato 2011-3-29 38882 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  IRVC57  Dichelostemma capitatum subsp. capitatum D. C. 1965-4-28 HS 0093 Riverside Palm Springs. Comment
  POM307274  Dichelostemma capitatum subsp. capitatum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2145 Riverside Santa Rosa Mountains. Comment
  RSA32414  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1945-5-24 1626 Riverside Big Oaks Canyon, Banning. 1219 Comment
  UCR138727  Dichelostemma capitatum subsp. capitatum Julie A. Greene 1993-4-10 1125 Riverside San Jacinto Wildlife Area 476 Comment
  CAS-BOT-BC292201  Dicoria canescens S. B. Parish 1912-10-8 8366 Riverside Salton Basin. Indio -6 Comment
  UCR89773  Dicoria canescens George K. Helmkamp 1994-3-10 42 3 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
  RSA554294  Digitaria sanguinalis Scott D. White 1992-2-25 92 -7 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  UCD64071  Digitaria sanguinalis Scott D. White; Brian Leatherman 2004-10-7 10768 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  RSA522298  Digitaria sanguinalis Steve Boyd 1989-7-9 3768 Riverside City of Riverside. Comment
  SEINET3243833  Diospyros virginiana A. C. Sanders, John Goodman 1999-1 22903 Riverside San Bernardino Mtns.: Mill Creek Canyon, on S side of Hwy 38, 1.2 mi. above Mountain Home Creek at Mtn. Home Village. 1231 Comment
  SEINET222285  Diplacus fremontii B. Ertter, J. Strachan 1979-1 2989 Riverside Banning-Idyllwild Rd (Hwy 243) at Black Mt turnoff (Forest Rd 4Sol), San Jacinto Mts Comment
  RSA0019410  Diplacus fremontii P. A. Munz, I. M. Johnston 1924-7-29 8845 Riverside 6 mi SE of Poppet Flat, San Jacinto Mtns. 1524 Comment
  SEINET8245386  Diplacus fremontii Wesley Griesel 1962-6-26 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  RSA0086589  Diplacus puniceus Bonnie C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1086 Riverside Hillsides near Gavilan Peak. 607 Comment
  RSA0019299  Diplacus puniceus D. L. Banks, Steve D. Boyd 1995-6-2 561 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. 902 Comment
  UCR256773  Distichlis spicata T. B. Salvato, Matthew Malle 2013-5-20 7585 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR2339  Distichlis spicata var. nana H. S. Fawcett 1914-8-21 1623 Riverside Peninsular Range, Elsinore Lake, NE beach 427 Comment
  JOTR38677  Ditaxis lanceolata Hodges, Stephen R. 2017-2-2 684 Riverside Joshua Tree National Park. Cottonwood Mountains; at base of southern end, north of park boundary Comment
  UCR163735  Ditaxis neomexicana B. G. Pitzer 2000-11-4 4239 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UCR58872  Ditaxis neomexicana J. M. Stewart 1989-10-16 612 Riverside Sonoran (Colorado) Desert, Big Maria Mountains, canyon on NE side Comment
  JEPS52448  Ditaxis serrata Marjorie D. Clary 1933-3-19 1962 Riverside Whitewater Canyon, North Colorado Desert 304 Comment
  RSA651835  Dithyrea californica R. J. Silva 1949-2-12 s.n. Riverside Found: 1000 Palm Canyon. 762 Comment
  UC724130  Dithyrea californica Aven and Ruth Nelson 1939-3-28 3303 Riverside s of Mecca Comment
  UCR72163  Dithyrea californica Theo Glenn 1991-5-8 91- 81 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  CAS-BOT-BC136105  Dodecatheon alpinum Edmund C. Jaeger 1922-7-10 s.n. Riverside Tahquitz [Tacquitz] Valley - San Jacinto Mtn. Comment
  RSA263756  Dodecatheon clevelandii E. W. Lathrop 1971-3-21 7452 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  JEPS89089  Dodecatheon clevelandii subsp. clevelandii Rimo Bacigalupi and L. Heckard 1962-3-25 8389 Riverside about 5 mi se Corona (just n of Bedford Canyon, eastern base of the Santa Ana Mountains); eastern base of Santa Ana Mountains, n Bedford Canyon 304 Comment
  UC168143  Draba corrugata Dr. A. Davidson Riverside summit Mt. San Jacinto Comment
Read comments
Jul 5 2012
  CLARK-A1528-2315  Draba cuneifolia var. integrifolia John C. Roos 1952-2-29 5369 Riverside Reche Canyon 548 Comment
  RSA751922  Dryopteris arguta Scott D. White, Justin M. Wood 2009-5-22 12926 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  UCR261568  Dryopteris arguta Joseph Cahill 2011-1-8 111- 11 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCR273804  Dudleya Mitch Provance, Tom Thompson 2016-7-14 716- 26 Riverside San Jacinto Mountains, Dark Canyon, N Fork San Jacinto River, S side of Hwy. 243, below the Lawler Lodge 1618 Comment
  UCR273596  Dudleya cymosa subsp. pumila Tim Searl 2016-5-27 s.n. Riverside Badlands, 1.2 miles southeast of Redlands Blvd./San Timoteo Canyon intersection 646 Comment
  CAS-BOT-BC411414  Dudleya lanceolata Reid Moran 1946-5-25 2057 Riverside S slope of Box Springs Mountain 548 Comment
  RSA198950  Dudleya lanceolata R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 s.n. Riverside Satan Rosa Plateau; S end of dam at E end of vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  POM265678  Dudleya saxosa subsp. aloides J. C. Roos 1937-4-18 1284 Riverside Near Cabazon. Comment
  CAS-BOT-BC227218  Echinochloa colona A. C. Sanders 2011-9-15 39893 Riverside Sonoran (Colorado) Desert: Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  RSA575910  Eclipta prostrata Steve Boyd, Darin L. Banks 1994-9-29 8370 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  POM12418  Elatine brachysperma P. A. Munz 1922-9-6 6379 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
Read comments
Dec 5 2010
  RSA289806  Eleocharis montevidensis B. A. Prigge 1980-8-12 3939 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  RSA381084  Eleocharis montevidensis Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61177 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA192144  Eleocharis palustris H. A. Zuill 1966-7-17 288 Riverside 7-8 miles SW of Murrieta. Comment
  SBBG119911  Eleocharis parishii A. C. Sanders with O. F. Clarke 1991-6-10 11126 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCR93084  Eleusine indica A. C. Sanders, S. Ogg 1994-7-28 15169 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA591816  Elymus E. W. Lathrop 1968-5-24 6934 Riverside Bedford Truck Trail of the Cleveland National Forest, Trabuco Ddistrict. 915 Comment
  RSA570756  Elymus X gouldii Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8196 -A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  UC38214  Elymus glaucus H. M. Hall June, 1901 2097 Riverside San Jacinto Mountains; slopes and benches of s side 1463 Comment
  UCD61812  Elymus glaucus Peter Kamb 1948-7-3 1143 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  UCR182100  Elymus triticoides Tom Chester 2005-7-1 665 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Waterline Road, 0.53 miles (0.85 km) southwest of Visitor Center, at tributary to Cole Creek 535.1 Comment
  RSA772583  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5045 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  SD204900  Emmenanthe penduliflora R. F. Thorne, W. Wisura and Dave Michener 1982-5-24 55187 Riverside Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. 915 Comment
  SEINET7048160  Emmenanthe penduliflora var. penduliflora Steven R. Hill 2001-5-3 33661 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  POM356657  Encelia actoni Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR274545  Encelia californica Mitch Provance, Ken Halama 2003-6-15 17061 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  JOTR32046  Encelia farinosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2275 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  JOTR34377  Encelia farinosa Andre, Jim 2012-4-16 20897 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA770315  Encelia farinosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4405 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  RSA27348  Encelia farinosa var. farinosa C. L. Hitchcock 1940-4-2 5923 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  CAS-BOT-BC409252  Ephedra Lester Rowntree 1934-3-24 s.n. Riverside Morongo Valley Comment
  POM999  Ephedra aspera I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. In desert along mts. 305 Comment
  RSA735322  Ephedra californica Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11260 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA771863  Ephedra californica Robert F. Thorne, M. Z. Thorne 1973-3-30 42689 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs 488 Comment
  RSA85183  Ephedra viridis F. W. Peirson 1933-4-13 10641 Riverside Road from Deep Canyon south of Indio to Idyllwild 1220 Comment
  UCR101463  Epilobium brachycarpum A. C. Sanders, K. C. Rose 1998-9-29 22248 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UC873162  Epilobium campestre P. A. Munz and J. M. Johnston 1922-5-19 5368 Riverside Menifee Valley 426 Comment
  RSA761223  Epilobium canescens Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 710 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR111759  Epilobium ciliatum S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR3530  Epilobium ciliatum Frank C. Vasek 1964-6-24 640624- 01 Riverside City of Riverside, University of California Riverside campus. Life Science greenhouse. 335 Comment
  POM158194  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1928-9-6 11277 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  POM48731  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1924-7-29 8830 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UCR193921  Epilobium densiflorum A. C. Sanders, Mitch Provance 2008-7-11 35788 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
  UCSB4333  Epilobium glaberrimum Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA787212  Epilobium oregonense J. D. Olmsted 1959-7-8 754 Riverside Tahquitz Creek drainage area. North lobe of Skunk Cabbage Meadow in springy area. 4.5 mi ENE of Idyllwild. 2424 Comment
  POM320596  Epipactis gigantea Lynne Hayden 1970-3-24 63 Riverside Palm Springs, Andreas Canyon, Salton Sea Drainage Area, San Jacinto Mountains. 91 Comment
  UCR24937  Epipactis gigantea A. C. Sanders 1980-7-22 1715 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  UCR35288  Epipactis gigantea L. B. Ziegler 1972-6-12 484 Riverside San Jacinto Mtns,, Penrod Canyon drainage into upper Hemet (Garner) Valley 1570 Comment
  POM1186  Eragrostis cilianensis D. L. Crawford s.n. Riverside Riverside. Comment
  UCR205985  Eragrostis mexicana Mike Misenhelter 2009-7-29 s.n. Riverside Peninsular Range/ San Bernardino Valley, Riverside; Arlington area, west side of Van Buren Blvd. at north side of Lincoln St., across from drive-in theater 259 Comment
  RSA316420  Eragrostis minor R. F. Thorne 1982-10-8 55392 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office 595 Comment
  UCR26521  Eragrostis pectinacea var. pectinacea A. C. Sanders, S. Hagopian 1981-5-20 2154 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  RSA543738  Eremalche exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6032 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA432722  Eremalche rotundifolia Robert L. Dressler 1949-3-19 403 Riverside Box Canyon, Orocopia Mts. Comment
  UCR112092  Eremalche rotundifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23366 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR16592  Eremalche rotundifolia K. W. Brown 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, near Homestead Ranch gate, 0ne-half mi. east of Palms-to-Pines Hwy, c. 2 mi. south of Palm Desert '350 ft. 183 Comment
  SEINET3995113  Eremothera refracta H. M. Hall 1905-4-21 5840 Riverside Near Salton Comment
  CAS-BOT-BC514311  Eriastrum densifolium subsp. austromontanum C. Epling; Wm. Robison 1933-6-25 s.n. Riverside Little San Bernardino Mountains: Black Rock near Warren's Well 1371 Comment
  RSA0105465  Eriastrum densifolium subsp. austromontanum J. C. Roos 1965-7-22 s.n. Riverside Mountain Center Comment
  UCR177988  Eriastrum eremicum John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  RSA0120067  Eriastrum eremicum subsp. eremicum Mark Brunell, M. Okada 1993-5-29 s.n. Riverside Sonoran (Colorado) Desert: Palm Springs area, SW corner of HWY 111 and Gene Autry Trail. 104 Comment
  CAS-BOT-BC514452  Eriastrum eremicum subsp. eremicum Milo S. Baker 1928-4-3 2789 b Riverside Palm Canyon Road to Palm Springs Comment
  CAS-BOT-BC514459  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11062 Riverside Palm Springs to Palm Canyon Comment
  RSA0110192  Eriastrum harwoodii Duncan S. Bell 2010-5-2 914 Riverside West side of the Arica Mountains; in main western drainage; approximately 2.5 air miles west of Priest Well. 417 Comment
  UCR233934  Eriastrum harwoodii Duncan S. Bell 2010-5-1 903 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 8.6 air miles west of Rice and 6.8 air mi. NW of Priests Well 286 Comment
  JEPS57287  Eriastrum sapphirinum L. R. Heckard and R. C. Bacigalupi 1968-5-5 1807 Riverside 2.6 mi n Radec 548 Comment
  UC574982  Eriastrum sapphirinum C. Epling and Wm. Robison 1933-6-24 Riverside San Gorgonio Wash Little San Bernardino Mountains Comment
  UCR25084  Eriastrum sapphirinum A. C. Sanders 1980-7-18 1644 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR121234  Eriastrum sapphirinum subsp. ambiguum Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2271 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA0122954  Eriastrum sapphirinum subsp. dasyanthum Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on S side of Mesa de Burro. 549 Comment
  UCR280913  Eriastrum sapphirinum subsp. dasyanthum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 40 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  RSA0121585  Eriastrum sapphirinum subsp. dasyanthum F. W. Peirson 1920-6-22 4474 Riverside Dripping Spring southeast of Temecula 457 Comment
  JEPS31370  Ericameria linearifolia W. L. Jepson 1901-5-22 1342 Riverside Palm Canon Comment
  JOTR31084  Ericameria linearifolia La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2346 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  UC667299  Ericameria linearifolia Annie M. Alexander and Louise Kellogg 1941-5-7 2132 Riverside 12 mi sw of 29 Palms (on hillsides); Joshua Tree National Monument 1310 Comment
  UCR84641  Ericameria linearifolia Scott D. White, S. Ogg 1994-4-21 1981 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR140740  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Elsinore Basin Region, Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  CAS-BOT-BC299538  Ericameria paniculata Lewis S. Rose 1935-12-21 35677 Riverside Whitewater Wash, 3 mi. SE Palm Springs Station 304 Comment
  UCR140875  Ericameria parishii Chris E. True, Laurel Salzman 2004-8-20 s.n. Riverside San Jacinto Mtns., c. 1 km south of Twin Pines Ranch on USFS Rd 3S08, between Azalea and Twin Pines Creeks 1157 Comment
  RSA552731  Ericameria pinifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6753 a Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  UCR58455  Ericameria pinifolia George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns, N slope of Thomas Mtn, 1 mi. SW of Hwy 74 on Thomas Mtn Road 1500 Comment
  RSA692224  Erigeron divergens Scott D. White 2003-10-9 9825 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  RSA507474  Erigeron foliosus Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  RSA674953  Erigeron foliosus Scott D. White, Teresa B. Salvato 2001-6-8 8567 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  POM13315A  Eriodictyon crassifolium E. C. Jaeger 1921-4-7 1079 Riverside Murray Canyon, Palm Springs Comment
  RSA652165  Eriodictyon crassifolium var. crassifolium William Gilbert 1969-5-24 s.n. Riverside Between Banning and Idyllwild. 1220 Comment
  JOTR16711  Eriodictyon trichocalyx var. trichocalyx Hogan, J. 1974-6-24 77 Riverside Joshua Tree National Park. 1.5 MILES WEST OF EUREKA PEAK 1554 Comment
  JOTR34192  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2980 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  CLARK-A1528-5715  Eriogonum apiculatum John C. Roos 1947-9-6 3743 Riverside San Jacinto Mountains Comment
  RSA0104493  Eriogonum apiculatum Duncan S. Bell 2015-9-30 8662 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  SD28109  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside San Jacinto Mountains. Point View, near Idyllwild 1646 Comment
  UCR106735  Eriogonum davidsonii John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  CHSC109288  Eriogonum deflexum var. deflexum Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu 2004-5-14 11244 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 Mountains Aerial Gunnery Range. Comment
  POM187380  Eriogonum deflexum var. deflexum E. Crow 1930-5-17 s.n. Riverside Between Mecca and Shaver's Well. Comment
  RSA65123  Eriogonum deflexum var. deflexum F. W. Peirson 1927-4-12 7164 Riverside Painted canyon, near Mecca. Comment
  RSA392663  Eriogonum fasciculatum var. flavoviride Jack Rempel, Erwin Miller 1934-4-28 s.n. Riverside Lost Horse 1296 Comment
  RSA516763  Eriogonum fasciculatum var. foliolosum Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCD100022  Eriogonum fasciculatum var. polifolium K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  CLARK-A1528-3738  Eriogonum gracile C. Epling, William Robison 1933-6-24 Riverside San Gorgonio Wash Comment
  RSA180301  Eriogonum gracile var. gracile E. W. Lathrop 1965-9-13 5413 Riverside 8 miles west of Murrieta. Comment
  UCR144100  Eriogonum gracile var. gracile Scott D. White 1999-5-28 7434 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  RSA0043043  Eriogonum inflatum Duncan S. Bell, Loraine Washburn 2014-4-8 6581 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  JOTR33783  Eriogonum maculatum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2925 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  UCR270285  Eriogonum microthecum John F. Emmel 1998-11-14 1605 Riverside San Jacinto Mountains, along Pacific Crest Trail, 5.7-6.5 trail miles north of Hwy 74, c. 0.2 air mile SSE of Tunnel Spring 1799 Comment
  UC849812  Eriogonum molestum I. W. Clokey, E. G. Anderson 1935-8-21 6594 Riverside e Keen Camp P.O. 1370 Comment
  CAS-BOT-BC269785  Eriogonum nudum var. pauciflorum Peter H. Raven; R. Snow 1957-7-26 11089 Riverside Banning-Idyllwild road, 0.9 mi. n. of Vista Grande Ranger Station, San Jacinto Mts. Comment
  RSA761986  Eriogonum nudum var. pauciflorum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 728 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SFV20147  Eriogonum nudum var. pauciflorum J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .1 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  SFV8352  Eriogonum pusillum M. Andriessen 1962-4-18 34 Riverside San Jacinto Mountains State Highway 74, about 10 miles from Palm Desert. Comment
  POM122078  Eriogonum reniforme Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UCR199838  Eriogonum reniforme Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11294 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  CAS-BOT-BC263533  Eriogonum thomasii S. B. Parish 1906-5-1 440 -6741 Riverside Colorado Desert at Palm Springs Comment
  RSA480007  Eriogonum thomasii Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2136 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA727868  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SD127574  Eriogonum thomasii David Charlton 1988-2-18 1143 Riverside Alluvial fan, S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, paralell to I-10. 1 mi. E of Jct Dillon Road and Fargo Cyn Road 609 Comment
  CAS-BOT-BC263595  Eriogonum trichopes Roxana S. Ferris 1918-6-14 972 Riverside Near Indian Wells Comment
  UC535090  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside s Palm Springs Comment
  CAS-BOT-BC268190  Eriogonum umbellatum var. munzii James L. Reveal; Caroline G. Reveal 1972-8-9 2859 Riverside San Jacinto Mountains, along California Highway 243, 4.2 miles north-northwest of Idyllwild, 8.7 miles north of the junction with Highway 74 and 1.2 miles south of Alandale Ranger Station Comment
  UC64572  Eriogonum umbellatum var. munzii H. M. Hall 1901-7-17 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 1828 Comment
  UCSB24382  Eriogonum wrightii Wheeler, Louis 1933-12-1 Riverside Mouth of Tahquitz Canyon; San Jacinto Mts 152 Comment
  CAS-BOT-BC264923  Eriogonum wrightii var. membranaceum E. K. Balls; P. C. Everett 1953-8-19 18539 Riverside NW slope Santa Rosa Mt., road from Vandeventer Flat to Santa Rosa Peak 1676 Comment
  OBI10923  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-3 181 Riverside Strawberry Valley, San Jacinto Mts 1585 Comment
  UCR35084  Eriogonum wrightii var. membranaceum L. B. Ziegler 1964-8-25 14 Riverside San Jacinto Mtns., Garner (Hemet) Valley 1402 Comment
  RSA0026183  Eriogonum wrightii var. membranaceum John F. Emmel 1997-8-3 1522 Riverside San Jacinto Mts.; ridge top northwest of Morris Ranch Road, ca. 0.7 air mile WSW of Goff Flat. 1634 Comment
  JOTR29590  Eriogonum wrightii var. nodosum Andre, Jim 2006-4-26 6782 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  SBBG64289  Eriogonum wrightii var. subscaposum R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  CDA21219  Erioneuron pulchellum G. F. Hrusa, J. A. Hart 1993-4-4 10595 Riverside Cholla Garden, Joshua Tree N.M. Comment
  UC62976  Eriophyllum ambiguum var. paleaceum S. B. Parish Apr 1 1896-Apr 10 1896 Riverside Palm Spring Colorado Desert, Palm Spring Comment
  JOTR31153  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha 2009-6-3 1862 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  SBBG100492  Eriophyllum confertiflorum var. confertiflorum W. L. Halvorson 1977-4-1 77 -223 Riverside ca. 5 mi S of Temecula Comment
  JOTR01259  Eriophyllum confertiflorum var. confertiflorum Cole, James E. 1941-5-17 705 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1310 Comment
  RSA483567  Eriophyllum wallacei D. Charlton 1988-5-21 1942 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA651111  Eriophyllum wallacei Marion P. Harthill 1971-3-19 32 Riverside Palm Desert. Comment
  RSA728604  Eriophyllum wallacei Gary D. Wallace, M. Wallace, Z. Wallace 1982-3-27 1892 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  RSA772133  Erodium cicutarium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4861 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  SD133077  Erodium cicutarium Scott White 1991-3-22 Riverside Los Alamos Road, ca. 2.0 miles west of I-215 exit. 366 Comment
  UCR279360  Erodium cicutarium A. C. Sanders, Jim Malusa 2017-3-24 42977 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  RSA286798  Eryngium aristulatum var. parishii R. F. Thorne 1974-5-23 44662 Riverside Santa Rosa Plateau, Rancho California: top of Mesa de Colorado 625 Comment
  UCR217546  Eryngium aristulatum var. parishii Diane Menuz 2009-5-14 496 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  POM159828  Erysimum capitatum var. capitatum E. C. Jaeger 1926-3-27 s.n. Riverside Old Santa Rosa, Colorado Desert. [possibly deserted Santa Rosa Indian Village, Santa Rosa Mtns. -SW] Comment
  RSA0015885  Erythranthe moschata N. C. Cooper 1944-6-17 1382 Riverside San Jacinto Mts., above Banning. 1372 Comment
  SJSU7738  Erythranthe palmeri J. W. Tofflemire 1957-4-18 Riverside 10 mi SE of Hemet up Bautista Canyon Rd 1158 Comment
  POM308634  Eschscholzia Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3215 Riverside Near Desert Center. Comment
  UCD101613  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 258 B Riverside California. Riverside County: Joshua Tree National Park. 610 Comment
  SDSU832  Eschscholzia californica D. Hunsaker 1962-4-10 Riverside 3 miles SW from Temecula. Comment
  UC68548  Eschscholzia californica H. M. Hall 1905-4-13 5753 Riverside Beaumont Comment
  UCD94179  Eschscholzia californica Shannon M. Still 2008-3-19 288 Riverside California. Riverside County. 566 Comment
  HSC99167  Eschscholzia glyptosperma Paul J. CaraDonna 2009-3-17 128 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  UCR213429  Eschscholzia glyptosperma A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37437 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  UCR244397  Eschscholzia glyptosperma Jim Andre 2012-4-16 20978 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
  SEINET10476377  Eschscholzia glyptosperma David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2898 Riverside Pushawalla canyon biota. Indio hills. In wash. Comment
  SEINET10476378  Eschscholzia glyptosperma David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3754 Riverside Found in wash above quad 6. Indio hills, colorado desert. Near pushawalla. Comment
  CDA24566  Eschscholzia minutiflora T. C. Fuller 1962-4-4 7998 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  POM220074  Eschscholzia minutiflora F. R. Fosberg 1932-3-13 8070 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA771518  Eschscholzia minutiflora Keith E. Hoffmaster 1935-3-31 564 Riverside Palm Springs. Comment
  UCSB3653  Eschscholzia minutiflora Ralph, F. 1960-4-1 Riverside Whitewater Canyon; 1.6 miles north of U.S. Hwy 99; Western edge of Colorado Desert Comment
  RSA779925  Eschscholzia parishii Jim Andre 2011-2-9 15907 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UCR199567  Eucalyptus camaldulensis Scott D. White, Angelia Carey 2004-7-2 10599 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SBBG4842  Eucnide urens H. and M. Dearing 1942-4-5 4862 Riverside Colorado River and Riverside Mtns Comment
  RSA543756  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6076 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SD144470  Eucrypta chrysanthemifolia A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20700 Riverside San Jacinto Mtns: N side of range, Twin Pines Creek below the confluence with Brown Creek 854 Comment
  SEINET7073449  Eucrypta chrysanthemifolia A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  OBI52783  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Myers 1988-1 s.n. Riverside Temescal Cy, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck Trl 381 Comment
  UCR23563  Eucrypta micrantha John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  JOTR35155  Eulobus californicus La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3267 Riverside Joshua Tree National Park. West Cottonwood Mountains; side canyon feeding into east Pinkham Wash; steep, cobbley, east facing slope above bouldery canyon (Stop 5) Comment
  SBBG47468  Eulobus californicus N. C. Cooper 1944-5-6 1210 Riverside Whitewater Cyn 457 Comment
  UCSB4514  Eulobus californicus Haller, John 1957-3-23 Riverside Morongo Wash, ca. 4.5 road miles N. of US 99, & 3 air miles S of Riverside-San Bernardino county line 609 Comment
  RSA750603  Euonymus occidentalis var. parishii K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 19 Riverside San Bernardino National Forest. Fuller Mill Creek. 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  SD119918  Euonymus occidentalis var. parishii Louis B. Ziegler 1973-6-19 512 Riverside San Jacinto Mountains, North Fork of the San Jacinto River. 1830 Comment
  UCR239858  Euphorbia O. F. Clarke 2004-8-21 s.n. Riverside Peninsular Range, Riverside; UCR Botanic Garden 351 Comment
  JOTR32110  Euphorbia abramsiana Harding, Mitzi, Kipp Callahan 2012-8-27 285 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR5986  Euphorbia albomarginata Leland E. Francois 1966-4-23 42366- 8 Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], south edge of Ryan Mountain Campground 1300 Comment
  JOTR37439  Euphorbia eriantha Hodges, Stephen R., T. Hender 2015-12-30 561 Riverside Joshua Tree National Park. Pinto Basin, off of Black Eagle Mine road, then turning north up the park boundary 596 Comment
  POM160096  Euphorbia eriantha E. C. Jaeger 1927-3-23 s.n Riverside Salt Creek Wash, Colo. Desert Comment
  UCR239824  Euphorbia hirta O. F. Clarke 2007-6-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA543151  Euphorbia melanadenia Steve Boyd 1991-3-17 5516 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR264235  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41842 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  UCR5988  Euphorbia palmeri Karen Cook 1966-5-12 s.n. Riverside San Jacinto Mtns, across the street from entrance to San Jacinto Wilderness State Park, on roadside, in Idyllwild. 1809 Comment
  RSA741083  Euphorbia polycarpa Justin M. Wood 2008-11-17 228 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCD142702  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7464 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  UCR120563  Euphorbia polycarpa Helen Kennedy, T. B. Salvato 2002-2-2 5448 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR183166  Euphorbia polycarpa var. hirtella Mitch Provance 2003-5-5 4409 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR46718  Euphorbia serpillifolia B. G. Pitzer, D. C. Hawks 1986-12-2 0368 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  OBI14390  Euphorbia setiloba Robert F. Hoover 1966-10-15 10166 Riverside Dead Indian Cyn Comment
  CLARK-A1528-4428  Fagonia laevis John C. Roos 1966-3-26 Riverside Chuckwalla Mountains Comment
  JOTR31952  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2189 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash 667 Comment
  SEINET3005065  Fagonia pachyacantha G. Rink 2011-5-1 10503 Riverside North side of the Chuckawalla Mountains 365 Comment
  UCR88292  Ferocactus cylindraceus A. C. Sanders, K. C. Rose 1995-4-5 16380 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR79472  Festuca arundinacea Steve Boyd 1993-5-12 7338 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  UCR100166  Festuca myuros Scott D. White 1993-3-3 1086 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  CLARK-A1528-4663  Festuca octoflora John C. Roos 1952-4-9 5483 Riverside Riverside 259 Comment
  UCR177648  Festuca octoflora S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail on slope above Juan Diego Flats, toward Reed Valley, NW of Cahuilla Mountain 1250 Comment
  RSA0012052  Filago californica Steve Boyd, Susan Jett 2008-3-20 11831 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  UCR137699  Filago californica D. L. Banks, V. W. Steinmann 1997-3-13 1513 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR196305  Filago depressa R. F. Thorne, M. Z. Thorne 1973-3-30 42686 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCR156088  Filago gallica T. B. Salvato, Kent Beaman 2005-5-16 798 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  CLARK-A1528-3286  Forestiera neomexicana John C. Roos 1965-7-25 Riverside San Jacinto Mountains Comment
  RSA113900  Forestiera pubescens G. R. Campbell 1955-12-6 21504 Riverside S Tillett, Hwy 74, 17 miles SE of Mountain Center on road to Palm Springs. Riverside County. Comment
  UCR207619  Forestiera pubescens O. F. Clarke 2005-10-15 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  CLARK-A1528-1145  Fouquieria splendens John C. Roos 1946-12-21 3192 Riverside Deep Canyon 274 Comment
  RSA20100  Fouquieria splendens I. W. Clokey 1935-4-17 6752 Riverside Shaver's Well Comment
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Apr 24 2011
  RSA336050  Fouquieria splendens Robert F. Thorne 1978-4-23 52049 Riverside Along Palms to Pines Highway, N slope of Santa Rosa Mts. Comment
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Apr 24 2011
  UCR116947  Frankenia salina A. C. Sanders, D. Malueg 2001-5-17 24356 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  RSA293533  Frasera parryi C. W. Tilforth, Walter Wisura 1979-8-8 1902 Riverside Along hiway 74, 7.5 mi. south-east of Lake Hemet turn-off, Garner Valley Comment
  SDSU12976  Fraxinus velutina Michael G. Simpson 1999-10-27 2041 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UC277060  Fraxinus velutina I. M. Johnston 1917-12-1 1804 Riverside nw of Corona; Santa Ana River 182 Comment
  UCR234255  Funastrum cynanchoides A. C. Sanders, T. B. Salvato 2012-4-27 40098 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  RSA114356  Funastrum hirtellum P. C. Everett, E. K. Balls 1956-5-2 21558 Riverside in sun, in sandy wash; with Fouwuieria, Krameria, Olneya; 0.8 mi. N of juct. 60/70 along road to Eagle Mt. Pumping Sta. 366 Comment
  RSA458582  Funastrum hirtellum T. S. Clare 1930-4-13 s.n. Riverside Thousand Palms. Colorado desert. Comment
  JEPS56074  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4178 Riverside Hwy 79 17.2 mi s Hemet (n-facing slope) Comment
  JEPS7849  Galium angustifolium subsp. angustifolium Marjorie D. Clary 1932-7-4 983 Riverside 10 mi se Kenworthy (near springs in canyon); Santa Rosa Mts. 1371 Comment
  RSA0013154  Galium angustifolium subsp. angustifolium LeRoy Gross, Duncan S. Bell 2013-4-30 6037 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. Collection site near 1510 Comment
  UC888704  Galium angustifolium subsp. angustifolium C. L. Hitchcock 1940-4-12 6039 Riverside 8 mi nw Elsinore 457 Comment
  UCR21952  Galium angustifolium subsp. angustifolium Steve Boyd 1980-5-11 246 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  CLARK-A1528-828  Galium aparine Fred B. Essig 1967-5-7 Riverside Box Springs Mountain 457 Comment
  UCD121722  Galium aparine B. Pitzer 1987-4-11 478 Riverside West of Murrieta at Santa Rosa Plateau Preserve, Mesa de Colorado. 609 Comment
  RSA667136  Galium murale A. C. Sanders 2001-5-10 24251 Riverside Riverside, Blaine St. at RR tracks near intersection with Watkins Dr. 335 Comment
  RSA706293  Galium porrigens var. porrigens Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1281 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  SD70518  Galium porrigens var. porrigens Lauramay T. Dempster, G. Ledyard Stebbins 1966-6-17 4243 Riverside Red Hill Road, 0.9 mile north of Alvin Meadows, San Jacinto Mountains 1661 Comment
  POM301774  Galium stellatum J. Cole 1942-5-19 961 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  RSA776845  Galium stellatum var. eremicum Amber Swanson 2011-3-18 231 Riverside Near campsite off Corn Spring Rd in Chuckwalla Mtns 575 Comment
  UC774631  Garrya flavescens Carl B. Wolf 1939-1-20 Riverside e side Santa Ana Mts. (along Eagle Motor Way, 1 mi below summit) 914 Comment
  SD90096  Garrya flavescens subsp. pallida Nancy Ryan Zabriskie, Walter Zabriskie 1972-10-22 545 Riverside N. slope of Santa Rosa Mts, Deep Canyon, By Cactus Spring trail crossing of Horsethief Creek tributary Comment
  RSA1523  Garrya veatchii B. D. Stark 1930-3-18 1490 Riverside Mt. San Jacinto Comment
  UCR160953  Gaura coccinea A. C. Sanders 2001-7-9 24465 Riverside Santa Ana River Valley/San Bernardino Valley, Riverside, weed in the UCR Botanic Garden 351 Comment
  UCR95302  Gazania linearis Steve Boyd, L. Fuentes 1996-5-2 8765 Riverside Santa Ana Mtns., Santa Rosa Plateau, intersection of Tenaja Rd. and Rancho California Rd, SE of Tenaja Guard Station, in flats between Redonda Mesa and Squaw Mtn. 610 Comment
  CAS-BOT-BC303567  Geraea canescens K. Larson 1977-5-12 2290 Riverside Ford Dry Lake ca 25 miles W Blythe 152 Comment
  UC1118442  Geraea canescens H. S. Yates 1937-3-23 6421 Riverside 5 mi nw Edom; Thermal Quadrangle Comment
  UCR260862  Gilia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41479 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
  RSA523916  Gilia achilleifolia subsp. multicaulis G. H. True 1935-2-26 17 Riverside Mockingbird Canyon. 366 Comment
  RSA550024  Gilia angelensis W. Wisura, A. King, Lydia Newcomb 1992-4-10 4673 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  RSA716388  Gilia angelensis Scott D. White, Angelia Carey 2004-4-5 9989 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCD117600  Gilia angelensis R. N. Raynor 1933-5-2 s.n. Riverside Box Springs Hills. Comment
  UCR157962  Gilia capitata T. B. Salvato, A. C. Sanders 2005-5-17 926 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
  UC455672  Gilia capitata subsp. abrotanifolia I. J. Condit 1910-6-24 Riverside road to Strawberry Valley (San Jacinto Mts.); , rd to Strawberry Valley 914 Comment
  RSA171358  Gilia diegensis J. D. Olmsted 1962-5-3 3530 Riverside Santa Rosa Indian Reservation, following SW flank of mountains; 1/2 mi. SE of turn up to old Indian Village. 1768 Comment
  UC63438  Gilia diegensis H. M. Hall 1904-5-19 4949 Riverside Fairmount Park vicinity of Riverside, Fairmount Park 243 Comment
  RSA0016242  Gilia ochroleuca Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4735 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0013623  Gilia ochroleuca subsp. exilis LeRoy Gross, Duncan S. Bell 2013-4-30 6030 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA0016295  Gilia ochroleuca subsp. exilis P. A. Munz, R. D. Harwood 1920-3-20 3681 Riverside Temecula Canyon 244 Comment
  UC908023  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3112 Riverside 1 mi s Temecula; Temecula Canyon, s of Temecula Comment
  UC716291  Gilia stellata Roxana S. Ferris 1939-3-29 9709 Riverside between Hayfields Reservoir and Desert Center (Indio-Bythe Highway); btw Hayfields Reservoir and Desert Center Comment
  UCR104017  Gilia stellata George K. Helmkamp 1998-4-4 3130 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA736923  Gnaphalium canescens Scott D. White, Angelia Carey, Linca Archa 2004-8-5 10671 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR121821  Gnaphalium luteoalbum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24603 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR162772  Gnaphalium luteoalbum S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  RSA535469  Gnaphalium microcephalum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6644 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  UCR275278  Gnaphalium palustre T. B. Salvato, Gregg Miller 2005-6-7 1456 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  UCSB1696  Grayia spinosa Graney, Don 1953-3-21 Riverside Devils Garden, 11 miles east of White Water, Colorado Desert Comment
  UC494550  Guillenia lasiophylla Philip A. Munz 1932-3-13 11980 Riverside Deep Canyon Coachella Valley 91 Comment
  CAS-BOT-BC304641  Gutierrezia californica Winfield 1975-4-9 2411 Riverside Sugarloaf Mt - Riverside Comment
  UCR250366  Gutierrezia californica A. C. Sanders 2014-4-25 41072 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  JOTR16594  Gutierrezia microcephala Hogan, J. 1974-9-7 212 Riverside Joshua Tree National Park. UNICTION OF UPPER COVINGTON FLATS AND EUREKA PEAK ROADS 1432 Comment
  JOTR35238  Gutierrezia sarothrae Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, South of Eureka Peak Comment
  CAS-BOT-BC231101  Harpagonella palmeri Steve Boyd 1986-4-2 1589 Riverside Gavilan Plateau, Gavilan Hills: S end of Harford Springs county Park 640 Comment
  RSA0066598  Harpagonella palmeri Steve Boyd 1991-5-7 6165 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR228829  Harpagonella palmeri A. C. Sanders 2011-4-26 39328 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  RSA561507  Hazardia squarrosa var. grindelioides Steve Boyd, Tim Ross, D. Bramlet 1992-9-9 7667 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  CLARK-A1528-2606  Helianthemum scoparium John C. Roos 1965-6-30 Riverside Santa Ana Mountains Comment
  OBI16329  Helianthus annuus Lewis S. Rose 1966-12-11 66095 Riverside Palm Springs 152 Comment
  RSA651097  Helianthus annuus W. H. Grady 1948-2-24 s.n. Riverside Found 7 mi. west of Riverside. 243 Comment
  RSA0012940  Helianthus californicus I. W. Clokey, E. G. Anderson 1935-8-21 6934 Riverside North fork, San Jacinto River. 1500 Comment
  RSA343089  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, Sara Meury 1985-5-18 60625 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA79078  Helianthus gracilentus Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17268 Riverside Locally common perennial to 1.5m. tall. with Adenostoma, Ceanothus, Salvia, on steep, dry banks by roadside in decomposed granite; 3.7 mi. s.e. of Banning along hwy to Idyllwild, Comment
  JEPS35469  Helianthus petiolaris subsp. canescens Clary 1932-4-15 813 Riverside open desert w Indio Comment
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Dec 6 2011
  UC184860  Heliotropium convolvulaceum var. californicum E. E. Schellenger Riverside Santa Maria Mts. Comment
  SD233265  Heliotropium curassavicum Duncan S. Bell 2012-9-13 4192 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles SE of the ghost town of Rice and approximately 5.5 air miles E of Priests Well. An open valley floor. 202 Comment
  UC1063894  Heliotropium curassavicum A. Lewis May 1934 464 Riverside Temecula R. Elsinore Quad., Temecula R. 365 Comment
  RSA0078220  Heliotropium curassavicum var. oculatum Sarah J. De Groot, Amy Rouillard 2015-9-15 7558 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA356648  Heliotropium curassavicum var. oculatum R. F. Thorne 1975-8-29 47310 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  RSA413248  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita River, near aqueduct crossing. 245 Comment
  RSA450431  Hemizonia fasciculata J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  SEINET1909912  Hemizonia fasciculata T. B. Salvato, Melissa Clemons 2005-1 1290 Riverside Peninsular Range; temescal Valley: Aberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy 1-15, at base of Walker Canyon (Alberhill 7.5' Q.) 378 Comment
  UCR112008  Hemizonia fasciculata A. C. Sanders, T. B. Salvato 2000-5-25 23412 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR117087  Hemizonia kelloggii A. C. Sanders, T. B. Salvato 2001-5-16 24299 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  RSA716381  Hemizonia mohavensis Scott D. White 2006-4-27 11300 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR82774  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15783 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  POM360325  Hemizonia paniculata Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  RSA692251  Hemizonia paniculata Scott D. White, Michael Honer 2003-5-27 9402 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 '2349.' 396 Comment
  UCR127147  Hemizonia paniculata A. C. Sanders, Guy Bruyea 2003-6-12 26897 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  CLARK-A1528-1923  Hemizonia pungens John C. Roos 1952-5-14 5670 Riverside San Jacinto River 426 Comment
  UCR130519  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2003-5-27 03- 247 Riverside Elsinore Trough, back basin of Lake Elsinore, south of Lake Elsinore inlet and west of Diamond Stadium off Pete Lehr Drive 384 Comment
  UCR267434  Hemizonia pungens subsp. laevis D. E. Bramlet 2005-7-27 3908 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west of Hemet, canal alignment, north of Devonshire Ave., west of Warren Rd. 460 Comment
  RSA377050  Hesperocallis undulata E. C. Jaeger 1922-4-5 722 Riverside Desert Center, Chuckwalla Valley. 366 Comment
  RSA48416  Hesperocallis undulata E. K. Balls 1949-4-2 12901 Riverside North of Mecca, Highway 111, Colorado Desert. -58 Comment
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Jul 16 2015
  RSA778492  Hesperocallis undulata Duncan S. Bell 2009-3-8 59 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  RSA586871  Heterocodon rariflorum D. L. Banks, S. D. Boyd 1995-5-3 0290 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR195118  Heterocodon rariflorum A. C. Sanders, Tim Thomas 2008-8-1 35947 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  SEINET11261246  Heterotheca grandiflora N. Duane Atwood 1993-3-26 17685 Riverside 6 miles NE of San Juan Capistrana along Hwy 74.; 0 Comment
  UCR193883  Heterotheca sessiliflora A. C. Sanders 2008-7-25 35894 Riverside Peninsular Range; San Jacinto Mtns., May Valley, Bonita Vista Rd. near May Valley Rd. 1547 Comment
  RSA776963  Hibiscus denudatus Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 913 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  POM360476  Hieracium horridum Albert J. Perkins 1916-9-15 s.n. Riverside Summit, Tahquitz Peak. Comment
  RSA586333  Hirschfeldia incana D. L. Banks, S. D. Boyd 1995-5-3 198 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  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
  SD71776  Hirschfeldia incana Helen V. Witham 1969-7-2 184 Riverside DeLuz Creek crossing, 4 miles north of DeLuz (mak 6/06) 249 Comment
  SBBG3336  Hoffmannseggia microphylla H. and M. Dearing 1936-12-25 853 Riverside Aqueduct Rd ca. 10 mi N of Indio [Long Cyn] Comment
  SBBG81643  Hoffmannseggia microphylla S. A. Junak 1983-3-23 1630 Riverside E side of Jefferson Rd, opposite entrance to Cahuilla Lake County Park, S of Indio Comment
  POM352408  Holcus lanatus Anstruther Davidson 1906-7-18 s.n. Riverside San Jacinto - in meadow-front hotel Comment
  SD30947  Hordeum brachyantherum subsp. californicum Phillip A. Munz 1937-3-27 14936 Riverside Damp flat, overflow from Lake Elsinore 305 Comment
  CAS-BOT-BC285033  Hordeum depressum A. C. Sanders; Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin: San Jacinto River Valley, S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 mi. NW of San Jacinto 445 Comment
  UCR191542  Hordeum intercedens A. C. Sanders 2008-4-15 34889 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  UCR91873  Hordeum intercedens A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18046 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR92703  Hordeum intercedens A. C. Sanders, D. Malueg, K. D. Jones 1996-4-20 18057 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA0093141  Hordeum murinum Steve Boyd, Carol Boyd 2011-3-15 12304 Riverside Peninsular Ranges, Santa Rosa Mountains region.: Western base of Eisenhower Mountain, southeast of the Living Desert at mouth of Deep Canyon. 366 Comment
  SEINET3366074 Image available Hordeum murinum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18060 Riverside San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, alkaline flats along the east side of the river channel. 433 Comment
  UCR229273  Hordeum murinum Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  HSC10209  Hordeum murinum subsp. murinum C. L. Hitchcock, C. V. Muhlick 1961-3-17 23083 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  RSA0018954  Horkelia clevelandii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 658 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG3446  Hosackia oblongifolia var. oblongifolia Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  SEINET5327479  Hosackia oblongifolia var. oblongifolia I. W. Clokey, E. G. Anderson 1935-8-21 6722 Riverside Fuller's Creek, San jacinto Mts. 1500 Comment
  CLARK-A1528-1950  Hulsea heterochroma John C. Roos 1965-7-22 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC312594  Hulsea vestita subsp. callicarpha H. M. Hall 1901-7-1 2334 Riverside San Jacinto Mountains. Vicinity of Deer Springs 2743 Comment
  UCR201643  Hulsea vestita subsp. callicarpha Scott D. White, Justin M. Wood 2008-6-16 12150 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCSB26725  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside 1 mile south of Idyllwild, along Riverside County Road R1, San Jacinto Mtns. 1645 Comment
  UCD133380  Hypochaeris glabra Robert F. Thorne; W. Wisura, E. Lathrop, S. Meury 1985-5-18 60658 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 609 Comment
  UCR137505  Hypochaeris glabra D. L. Banks, V. W. Steinmann 1997-3-13 1478 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  CAS-BOT-BC219762  Hyptis emoryi V. Newsom 1927-3-25 s.n. Riverside Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC219774  Hyptis emoryi D. E. Breedlove 1962-3-11 1884 Riverside On rocky bank of Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  CDA40745  Hyptis emoryi T. C. Fuller 1963-4-23 10285 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  LA99449  Hyptis emoryi Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  RSA0094192  Hyptis emoryi Duncan S. Bell, Evan Meyer 2014-10-29 7681 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA721883  Hyptis emoryi J. Mark Porter, Orlando Mistretta 2003-6-5 13624 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  UC284795  Hyptis emoryi G. B. Grant 1906-4-8 Riverside Palm Springs Comment
  UCD124919  Hyptis emoryi Geoffrey Levin 1975-4-5 469 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. 60 Comment
  UCD124925  Hyptis emoryi R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  SEINET13948477 Image available Hyptis emoryi Lewis S. Rose 1946-1 46308 Riverside Dead Indian Creek Wash, Palms-to-Pines Highwa, 900 ft al, 7 miles SW of Indian Wells 274 Comment
  SEINET13948478 Image available Hyptis emoryi Carl B. Wolf 1932-1 2984 Riverside Colorado Desert. 8 mi E of Mecca on Blythe Road. Ca 300 ft alt 91 Comment
  UCR265615  Iberis umbellata Ling-Hsuan Kung 2011-6-1 014 Riverside Big Spring Mountains, in Moreno Valley off of the Pigeon Pass Road 586 Comment
  UC1532802  Isoetes howellii Robert F. Thorne and Earl Lathrop 1975-5-20 45542 Riverside Rancho California, Mesa de Burro 609 Comment
  RSA0039455  Iva axillaris A. C. Sanders, Timothy W. Chumley 2013-4-1 40724 Riverside Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  POM4803  Iva axillaris subsp. robustior I. M. Johnston 1928-5-30 2014 Riverside Temescal Canyon. 366 Comment
  UCR229277  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11- 126 Riverside Santa Ana Canyon, end of Green River Road, near entrance to Green River Golf Course 125 Comment
  SD225005  Juglans nigra A. C. Sanders, S. Hawkins 1996-4-24 18085 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1100 Comment
  UC483328  Juncus acutus subsp. leopoldii W. R. Dudley 1894-8-20 Riverside 6 mi e Indio (near Palm Grove) Comment
  UC667381  Juncus acutus subsp. leopoldii Annie M. Alexander and Louise Kellogg 1941-5-26 2241 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  UCR116921  Juncus bufonius A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24223 A Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR201821  Juncus bufonius Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  RSA70059  Juncus bufonius var. occidentalis F. W. Peirson 1922-5-19 3019 Riverside Menifee Valley, south of Perris. 457 Comment
  UC1931209  Juncus effusus Scott D. White, Justin Wood 2008-6-18 12233 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  SD122850  Juncus effusus subsp. austrocalifornicus Steve Boyd 1985-8-7 1106 Riverside Santa Rosa Plateau Region, northwest base of Redonda Mesa on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S02. In wet, muddy swale along road. Comment
  GMDRC6564  Juncus macrophyllus J. M. Andre 2012-6-15 30519 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA740716  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-7-8 12381 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  SBBG57293  Juncus macrophyllus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  RSA368067  Juncus oxymeris H. de Forest, Jack Rempel 1932-10-22 s.n. Riverside Pines to Palms Highway. Comment
  UCR201854  Juncus torreyi Justin M. Wood 2008-9-30 170 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  RSA368387  Juncus xiphioides N. R. Zabriskie 1978-10-20 852 Riverside Andreas Canyon, east slope San Jacinto Mountains. 305 Comment
  RSA356641  Juniperus californica Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47295 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  RSA604385  Juniperus californica L. C. Wheeler 1960-1-2 7672 Riverside Alberhill. Open rocky flat. Comment
  RSA770301  Juniperus californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4586 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC813456  Juniperus californica N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UCR94059  Juniperus californica Scott D. White, D. Haselfeld 1996-7-2 4263 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  SEINET5450457 Image available Juniperus californica Richard Carter 1984-12-18 3862 Riverside 1.1 mi. S of Pinyon Canyon- along Hwy. 74. Comment
  CAS-BOT-BC234602  Justicia californica C. L. Hitchcock 1940-4-5 5965 Riverside 3 mi. below Cottonwood Springs Comment
  POM11223  Justicia californica E. A. McGregor 1917-3-18 731 Riverside 6 mi., Painted Canyon. Comment
  UCD121630  Justicia californica Dan Axelrod 1932-3-23 s.n. Riverside Palm Springs. Comment
  SEINET3365551  Kallstroemia californica G. Rink 2011-9-25 11072 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  CAS-BOT-BC235500  Keckiella antirrhinoides Peter H. Raven 1958-5-17 12934 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  RSA68309  Keckiella antirrhinoides G. R. Campbell 1951-5-30 16112 Riverside 9 miles west of Anza. 1067 Comment
  UCSB17553  Keckiella antirrhinoides Otey, D. 1963-5-4 Riverside Banning to Idyllwild Road; 2.5 miles south of Banning 853 Comment
  LA209342  Keckiella antirrhinoides subsp. microphylla Elizabeth McClintock; 1940-5-26 sn Riverside 1.5 mi. W of Pinon Flats, Pines to Palms Highway Comment
  POM17864  Keckiella cordifolia Philip A. Munz 1923-6-14 7100 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  CAS-BOT-BC246204  Keckiella rothrockii H. M. Hall 1901-6-1 2588 Riverside Tahquitz Valley, San Jacinto Mts. 2499 Comment
  UC103115  Keckiella rothrockii var. jacintensis A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. 2438 Comment
  RSA0019433  Keckiella ternata subsp. ternata Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR266913  Kochia scoparia D. E. Bramlet 2005-7-13 3890 Riverside Perris Aguange Basin Region; San Jacinto Valley, 20 ft. west of Davis Road just south of Marvin Rd., San Jacinto Wildlife Area 434 Comment
  CAS-BOT-BC61429  Krameria bicolor K. Larson 1976-6-10 2033 Riverside About 30 mi. E. of Indio. S. of Chiriaco Sum. Comment
  CAS-BOT-BC61432  Krameria bicolor W. R. Dudley 1903-12-1 s.n Riverside Desert back of Indian Reservation, Palm Springs Comment
  SBBG46421  Krameria bicolor C. H. Muller 1952-5-20 9512 Riverside Whitewater Cyn Comment
  UCD107077  Krameria bicolor Collector Unknown 1923-5-19 294 Riverside Little Morongo Wash, near Warren's Ranch. Comment
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Feb 15 2013
  UCD107113  Krameria bicolor Marian L. Vincent; Richard H. Swade 1963-10-19 449 Riverside Snow Creek Road, 1 mile from its intersection with California State Hwy. 111. 365 Comment
  UCSB57986  Krameria bicolor Wolf, Carl 1932-4-29 Riverside Eastern Colorado Desert, W. edge of Maria Mts., 17 mi. from blythe on rice road 50 Comment
  SBBG109172  Krameria erecta D. Wilken with G. A. Wilken 1997-11-1 15375 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  SEINET3004984  Krameria erecta G. Rink, M. Baker 2011-4-1 10411 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  RSA787590  Krameria grayi Andrew Monks, J. McConnaughy, M. Volke 2010-1 35 Riverside McCoy Wash. Road going N from Black Rock Rd. S side of private boundary. N of I-10. 244 Comment
  UC1329866  Krameria grayi James E. Cole 1941-5-22 768 Riverside Joshua Tree National Monument Ruby Lee Mill Site; , Ruby Lee Mill Site 914 Comment
  UC1929495  Krameria grayi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10464 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
  JOTR38519  Laennecia coulteri Harding, Mitzi, Kipp Callahan 2012-8-27 288 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA469611  Langloisia setosissima subsp. setosissima L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River. Comment
  UC700954  Langloisia setosissima subsp. setosissima Aven and Ruth Nelson 1939-3-29 3323 Riverside ner the Palm grove Hidden Springs Comment
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Apr 17 2011
  LA209862  Larrea tridentata Charles Bogert; 1932-4-17 4013 Riverside 7 mi NW of Indian Wells Comment
  RSA0013273  Larrea tridentata April Garbat, Sarah J. De Groot 2013-4-9 41 Riverside Along Graham Pass Rd near intersection with Chuckwalla Valley Rd 130 Comment
  RSA796103  Larrea tridentata Duncan S. Bell 2009-4-20 317 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  RSA796459  Larrea tridentata Duncan S. Bell 2009-4-18 217 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SEINET4557743  Larrea tridentata Naomi Fraga, David Fraker, Tommy Stoughton 2012-1 3956 Riverside Mojave Desert; southcentral Mojave Desert region: off of Box Canyon Rd. S. of Shaver well on an alluvial plain 323 Comment
  RSA689506  Lastarriaea coriacea Scott D. White, Michael Honer 2003-5-27 9418 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 '2349.' 396 Comment
  UC63395  Lastarriaea coriacea H. M. Hall 1904-5-29 4964 Riverside vicinity of Riverside 304 Comment
  RSA599425  Lasthenia coronaria R. E. Riefner 1997-3-18 97 -115 Riverside Bull Canyon, E of El Toro Road between Lindell and Vista road. 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
  SD144036  Lasthenia coronaria A. C. Sanders 1997-3-1 19710 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark Varsity) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCSB12880  Lasthenia coronaria 1962-3-11 Riverside San Jacinto River, 6.5 miles southeast of State 79, on State 74 in Hemet 579 Comment
  RSA550481  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-5-6 2267 Riverside Some 760m northwest of Lakeview and south of the San Jacinto Wildlife area. The collection site is some 10m west of Davis Rd. amd 2 m north of Marvin Rd. 132 Comment
  RSA550488  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2232 Riverside 1.3 km west of Nuevo and just east of the intersection of 13th St and an existing transmission line. Populations were found on both the north and the south side of the 13th St. 132 Comment
  RSA593886  Lasthenia glabrata subsp. coulteri Steve Boyd, David E. Bramlet 1996-4-19 8614 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  RSA586035  Lasthenia gracilis D. L. Banks, S. D. Boyd 1995-3-16 0087 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 506 Comment
  RSA586869  Lasthenia gracilis D. L. Banks, S. D. Boyd 1995-5-3 0288 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA644636  Lasthenia gracilis Scott D. White 1993-3-12 1144 Riverside San Jacinto Valley: between aqueduct and Warren Road. 457 Comment
  UCD133820  Lasthenia gracilis A. C. Sanders; K. C. Rose 1998-5-21 21863 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  SD236281  Lathyrus odoratus John F. Green 2006-5-3 Riverside Peninsular Ranges: French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road. 402 Comment
  RSA50735  Lathyrus vestitus subsp. alefeldii E. C. Jaeger 1925-3-21 s.n. Riverside Temecula Canyon Comment
  RSA501003  Lathyrus vestitus subsp. laetiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3121 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UCR122545  Lathyrus vestitus subsp. vestitus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6675 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR216396  Lathyrus vestitus subsp. vestitus Mike Bell 2008-3-30 023 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  JEPS55288  Lathyrus vestitus var. alefeldii W. L. Jepson 1901-5-24 1423 Riverside Van Deventer's Santa Rosa Mts. Comment
  JEPS30467  Layia glandulosa Peter H. Raven 1958-5-18 12968 Riverside 2.3 miles from Mountain Center on road to Hemet, San Jacinto Mountains Comment
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Jun 9 2012
  CAS-BOT-BC379627  Layia platyglossa Palmer Stockwell 1935-5-12 1220 Riverside 2.5 miles north of Elsinore Comment
  SD137866  Layia platyglossa Darin L. Banks, Steve Boyd 1995-5-9 380 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, west of the Dripping Springs Alcove Area. 700 Comment
  SEINET3479044  Layia platyglossa A. G. Vestal 1962-3-29 Riverside Temecula, Temecula, 0.3 miles south Comment
  SEINET7063418  Layia platyglossa A. G. Vestal 1947-3-29 s.n. Riverside About 6.4 miles east of Lake Elsinore on Newport Road. UTM Zone 11, 481530mE, 3727251mN. (WGS84/NAD83). 434 Comment
  UCR116928  Layia platyglossa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24215 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR91639  Layia platyglossa D. L. Banks, Steve Boyd 1995-5-9 0380 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  RSA450741  Layia platyglossa subsp. platyglossa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  UCR113898  Lepidium chalepense Mitch Provance 1998-4-13 430 Riverside City of Riverside, Vacant lot on Arlington Ave., between Hillside and Phoenix. 232 Comment
  UC2029935  Lepidium dictyotum Steve Boyd 2001-4-12 10410 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR82804  Lepidium fremontii Bern Schwenn 1994-3-26 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, Pa'atem Canyon on south side of Cottonwood Mtns. Comment
  POM118634  Lepidium lasiocarpum Marcus E. Jones 1924-2-26 s.n. Riverside Shaver s Well. Comment
  POM272886  Lepidium lasiocarpum Lyman Benson 1933-3-31 4176 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UCR111983  Lepidium lasiocarpum A. C. Sanders, T. B. Salvato 2000-5-25 23409 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
  JOTR35320  Lepidium lasiocarpum var. lasiocarpum Harding, Mitzi, Mark Wheeler 2012-2-28 88 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  POM134  Lepidium lasiocarpum var. lasiocarpum Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  UCR121809  Lepidium latipes A. C. Sanders, Carolyn Washburn 2001-4-17 24059 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  RSA593694  Lepidium latipes var. latipes Steve Boyd, Dave Bramlet 1996-4-19 8632 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  UCR26523  Lepidium pinnatifidum A. C. Sanders, S. Hagopian 1981-5-20 1258 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  POM253472  Lepidospartum squamatum Thos Craig, Frances Craig 1939-11 s.n. Riverside Near Aguanga. Comment
  UCR34937  Lepidospartum squamatum L. B. Ziegler 1964-10-13 046 Riverside San Jacinto Mtns., Mouth of Hamilton Creek where it opens into Cahuilla Valley 1220 Comment
  UCD64015  Leptochloa fusca subsp. uninervia Collector Unknown 1948-9-1 Riverside Riverside County. 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
  SEINET4854776  Leptodactylon californicum subsp. tomentosum C. Leo Hitchcock 1940-4-12 6041 Riverside 8 mi NW of Elsinore. 457 Comment
  JOTR01154  Leptodactylon pungens Cole, James E. 1941-5-29 812 Riverside Joshua Tree National Park. STUBBE SPRING ROAD 1432 Comment
  SD90507  Leptosiphon ciliatus Robert F. Thorne, J. P. Simon and C. W. Tilforth 1969-6-24 38087 Riverside San Jacinto Mountains; above James Reserve in Hall Canyon. 1676 Comment
  RSA125202  Lessingia glandulifera var. glandulifera E. K. Balls, P. C. Everett 1957-8-20 22678 Riverside Along State Hwy. 74, SE of Hemet Reservoir, S end San Jacinto Mountains. 1357 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
  SEINET11810766  Lessingia glandulifera var. glandulifera Unknown 1960-1 583 Riverside 4.7 mi E of Anza on road to Santa Rosa Summit 1372 Comment
  POM47976  Lilium parryi Philip A. Munz, I. M. Johnston 1924-7-27 8751 Riverside Dark Canyon, San Jacinto Mountains. 1981 Comment
  RSA788872  Limosella acaulis Gary D. Wallace 2003-7-8 4053 Riverside Hidden Lake. Comment
  JEPS58350  Linanthus dianthiflorus W. L. Jepson 1935-4-17 19144 Riverside 1.5 mi n Elsinore Comment
  UC879931  Linanthus dianthiflorus P. A. Munz and I. M. Johnston 1922-5-20 5443 Riverside Hemet Valley San Jacinto Mts. 1386 Comment
  JEPS58381  Linanthus dichotomus W. L. Jepson 1914-5-18 5994 Riverside n of Indio (Pinyon Well); Colorado Desert Comment
  UCR232475  Linanthus floribundus Kate Kramer, Andrew Trouette, Jordan Zylstra, E. Howe 2005-8-9 253 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Springs campground 2241 Comment
  UC23753  Linanthus floribundus subsp. floribundus H. M. Hall Jun 1898 941 Riverside Santa Rosa Indian Reservation San Jacinto Mountains 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
  UCR254611  Linanthus jonesii Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24383 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UCR48511  Linanthus lemmonii Steve Boyd 1986-4-2 1633 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR68854  Linanthus nuttallii subsp. floribundus Steve Boyd, T. S. Ross 1990-5-11 4637 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  SEINET7063565  Linanthus parryae A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  UCR121182  Linanthus pygmaeus D. E. Bramlet 1990-4-26 1980 Riverside Rawson Canyon, c. 6300 ft. (1.2 mi.) south of Crown Valley and 8,500 ft. NW of Black Mountain 585 Comment
  PASA686  Linum micranthum Frank W. Peirson 1922-5-19 Riverside Two and one-half miles northeast of Murietta on the Menifee Valley Raod Comment
  RSA221083  Lithophragma affine subsp. mixtum E. W. Lathrop 1966-3-30 6121 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  RSA444568  Loeseliastrum matthewsii Anonymous 1988-3-23 4212 Riverside Hwy 62 immediately E of robinson Rd., W of Twentynine Palms. Comment
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Dec 5 2014
  UCR244378  Loeseliastrum schottii Jim Andre 2012-4-16 20947 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
  CAS-BOT-BC342254  Logfia filaginoides Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4044 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  RSA0121000  Logfia filaginoides Duncan S. Bell, LeRoy Gross 2016-3-8 8833 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.5 air miles north of the Bradshaw Trail. 417 Comment
  UC1523459  Logfia filaginoides Robert F. Thorne and C. W. Tilforth 1980-5-28 54229 Riverside ca 3.2 mi n Whitewater P.O. (and Hwy 10); San Bernardino Mts., Whitewater River Comment
  UCD134141  Logfia filaginoides J. C. Roos 1952-4-9 5510 Riverside southeast face Mt. Rubidoux, Riverside. 335 Comment
  UCR92238  Logfia filaginoides D. L. Banks, Steve Boyd 1995-5-3 0283 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
  UCR243130  Logfia gallica Kate Kramer 2012-5-8 256 Riverside Peninsular Range; San Jacinto Mountains, south side of Hwy 74 near cement-lined water flue at National Forest Lands boundary 576 Comment
  UCR23302  Lolium perenne subsp. multiflorum John C. Roos 1952-5-14 5661 Riverside San Bernardino Valley, Riverside, corner of Iowa Avenue and 8th Street 305 Comment
  SEINET251685 Image available Lolium rigidum Walter Graves 2002-5-15 502 -14 Riverside Riverside: grown at U. C. R. in Agricultural Operations Fields ( Riverside East 7.5' Q.) 305 Comment
  UCSB18143  Lomatium mohavense Lehmann, Karla 1964-5-10 Riverside Pinyon Flants Campground 1249 Comment
  RSA452110  Lomatium mohavense subsp. mohavense N. C. Cooper 1944-5-20 1256 Riverside Palms to Pines Hwy. San Jacinto Mts. 1432 Comment
  UC875217  Lomatium utriculatum Marcus E. Jones, A. M. 1882-4-25 3172 Riverside San Jacinto Comment
  RSA524591  Lomatium vaginatum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3905 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  JEPS24961  Lonicera subspicata var. denudata H. M. Hall July 1901 2529 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UC534840  Lonicera subspicata var. denudata Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat Santa Rosa Mts. 1524 Comment
  CLARK-A1528-480  Lotus argophyllus P. A. Rauch 1966-2-12 Riverside Sage 822 Comment
  SEINET238483  Lotus argophyllus A. C. Sanders 1994-5-29 14569 Riverside San Bernardino Mountains: Millard Canyon at stream crossing just below site of Millard Station on FS road 2S05. 1100 Comment
  POM13804  Lotus argophyllus var. argophyllus P. A. Munz 1922-4-30 5128 Riverside South of St. John's Grade, near Hemet Comment
  UC15552  Lotus crassifolius var. crassifolius H. M. Hall 1898-7-1 967 Riverside San Jacinto Mountains 1828 Comment
  UC15749  Lotus heermannii H. M. Hall Jun 1901 2021 Riverside s side San Jacinto Mountains 1219 Comment
  UCR153635  Lotus heermannii Scott D. White 1999-5-24 7385 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR174614  Lotus heermannii Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 347 Riverside Peninsular Ranges; San Jacinto Mtns., Turnout south of Mt. Edna Road along Calif. Hwy 243 1143 Comment
  UCR242666  Lotus nevadensis A. C. Sanders 2013-7-6 40856 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  UCR110971  Lotus nevadensis var. nevadensis George K. Helmkamp 1998-6-27 4130 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  UCR52322  Lotus nevadensis var. nevadensis Kevin Neal 1988-5-28 14 Riverside San Jacinto Mtns, near Chalk Hill, c. 1.5 mi. south of Idyllwild on Hwy 74 Comment
  POM12928  Lotus oblongifolius P. A. Munz 1922-6-27 5853 Riverside Santa Rosa, Santa Rosa Mts. 1982 Comment
  UCR112001  Lotus purshianus A. C. Sanders, T. B. Salvato 2000-5-25 23424 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
  UCR241229  Lotus purshianus Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 505 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR269856  Lotus salsuginosus var. brevivexillus A. C. Sanders, Jim Malusa 2016-3-17 42356 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail 675 Comment
  CLARK-A1703-68  Lotus scoparius William Horn, Jr. 1963-3-22 630322#1 Riverside Riverside 365 Comment
  RSA722993  Lotus scoparius M. Wall 2007-6-26 432 Riverside San Jacinto Valley, Bautista Creek wash off Bautista Canyon Rd. 3.0 miles SE of jct with Fairview Ave. 678 Comment
  CDA27333  Lotus strigosus T. C. Fuller 1964-4-14 11826 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  CLARK-A1045-875  Lotus strigosus George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along Riverside-San Diego County Line at start of Interstate Highway 215; ; southern oak woodland; Temecula 7.5'Q Comment
  JEPS37402  Lotus strigosus W. L. Jepson 1901-5-24 1426 a Riverside Van de Venter's Ranch 1493 Comment
  RSA660552  Lotus strigosus Lydia Paneri 1982-4-17 11 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA171380  Lotus strigosus var. hirtellus J. D. Olmsted 1962-5-3 3536 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  RSA406327  Lotus strigosus var. strigosus N. C. Cooper 1945-3-25 s.n. Riverside Cottonwood Creek near Aguanga, San Diego & Riverside. Comment
  RSA779021  Lotus strigosus var. strigosus Duncan S. Bell 2010-4-1 653 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  SEINET10838370  Lotus tomentellus David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3709 Riverside Found growing in a wash. Indio hills, colorado desert. Near pushawalla. 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
  RSA90345  Lotus wrangelianus F. W. Peirson 1930-5-10 8770 Riverside Roadside, on Hemet Plateau near March Field, between Riverside and Perris. 457 Comment
  UCR177641  Lupinus agardhianus 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 1159 Comment
  RSA595733  Lupinus andersonii L. C. Wheeler 1945-10-6 6133 Riverside Head of west fork of Snow Creek. 2377 Comment
  CLARK-A1528-2817  Lupinus arizonicus John C. Roos 1948-5-15 3847 Riverside Eagle Mountains Comment
  POM349944  Lupinus arizonicus Geo Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea 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
  RSA722377  Lupinus arizonicus J. R. Bruff 1928-4-3 171 Riverside 3 mi. So. Cottonwood Springs. Comment
  SBBG3533  Lupinus arizonicus H. and M. Dearing 1937-4-10 647 Riverside 16 mi N of Indio Comment
  UCR92610  Lupinus arizonicus George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  SEINET10484858  Lupinus bicolor subsp. marginatus David B. Dunn 1949-4-10 Dunn 5541 -2-3 Riverside A colony growing 1 mile e of beaumont on the s side of the hwy at xenica ave. Comment
  SEINET10903820  Lupinus bicolor subsp. microphyllus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7142 Riverside Scattered yellow pine at margin of large valley, 5.9 miles se of junction of Idlewild road and hwy 74 on 74. Annual 1341 Comment
  SD152849  Lupinus concinnus Steve Boyd, Tim Ross 1992-5-4 7198 Riverside San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  SD227816  Lupinus concinnus Andrew C. Sanders 1994-5-29 14565 Riverside San Bernardino Mountains: lower Millard Canyon, at first stream crossing on FS Road 2S05 850 Comment
  UCR51927  Lupinus concinnus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2117 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  POM2536  Lupinus concinnus subsp. optatus H. M. Hall 1901-06 2067 Riverside South side of San Jacinto Mountains 1646 Comment
  RSA407147  Lupinus concinnus subsp. optatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  POM2503  Lupinus densiflorus var. lacteus C. F. Baker 1905-04 4097 Riverside Hemet Comment
  RSA494642  Lupinus densiflorus var. lacteus B. L. Phillips 1988-4-29 s.n. Riverside Vail Lake, E of Temecula, in canyon S of, and draining into, SW finger of lake. Comment
  UCD107649  Lupinus excubitus Richard Bates 1949-5-21 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  CAS-BOT-BC216684  Lupinus excubitus subsp. hallii Charles Piper Smith 1951-5-22 51239 Riverside 1.5 miles S of summit, Beaumont - Morena Grade (San Gorgonio Drive) Comment
  SEINET10451307  Lupinus excubitus subsp. hallii August J. Breitung 1953-4-19 Breitung 14766 Riverside Roadside through hills w of beaumont. Stems woody, fls rose-violet, showy. With yellow center on banner. Comment
  RSA507949  Lupinus excubitus var. austromontanus Steve D. Boyd 1988-5-28 2268 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA777167  Lupinus excubitus var. austromontanus Steve D. Boyd, Valerie Soza 2004-6-22 11549 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
  RSA775341  Lupinus excubitus var. austromontanus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5019 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 732 Comment
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May 22 2012
  RSA585744  Lupinus excubitus var. hallii D. L. Banks, S. D. Boyd 1995-5-9 0408 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  CDA27443  Lupinus hirsutissimus T. C. Fuller 1964-4-14 11816 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  UCR139039  Lupinus hirsutissimus D. L. Banks, V. W. Steinmann 1997-3-13 1416 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
  SEINET10903775  Lupinus hirsutissimus David B. Dunn 1947-3-16 Dunn 2917 Riverside Found 100 yds. Se of cabayon in the banning pass. Comment
  POM11285  Lupinus hyacinthinus Philip A. Munz 1922-7-6 5978 Riverside Tahquitz Valley, San Jacinto Mts. 2226 Comment
  RSA679949  Lupinus hyacinthinus LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1116 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
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Oct 24 2008
  RSA519403  Lupinus latifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR174247  Lupinus microcarpus A. C. Sanders, T. B. Salvato 2006-6-2 33071 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. 579 Comment
  POM24848A  Lupinus microcarpus var. densiflorus Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto. Comment
  SBBG3700  Lupinus sparsiflorus H. and M. Dearing 1949-4-16 6750 Riverside Cottonwood Spring Rd Comment
  UC1292300  Lupinus sparsiflorus C. L. Hitchcock and C. V. Muhlick 1964-3-22 23252 Riverside gravelly side canyon near s. entrance to Joshua National Monument (Joshua National Monumnet) Comment
  UC1929914  Lupinus sparsiflorus Scott D. White 2004-4-26 10242 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UCR48415  Lupinus sparsiflorus Steve Boyd 1986-4-22 1747 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA339345  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54103 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA617301  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1934-3-18 649 A Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  RSA522732  Lupinus succulentus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3837 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
  CLARK-A1045-885  Lupinus truncatus George K. Helmkamp 1978-6-1 #1 Riverside Santa Ana Mountains roadside; Wildomar 7.5'Q Comment
  SEINET1910850  Lupinus truncatus A. C. Sanders 1997-1 19717 Riverside Riverside: Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity'. and ridge S and SE of the UCR Botanic Garden (Riverside East 7.5'Q.) 427 Comment
  UC1537127  Lupinus truncatus Gordon H. True Jr. 1935-3-1 99 Riverside Gavilan Hills 609 Comment
  UCR155323  Lupinus truncatus A. C. Sanders, Mike Misenhelter 2005-3-23 29253 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  HSC87255  Lycium andersonii Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2178 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  RSA422104  Lycium andersonii H. de Forest, Jack Rempel 1937-3-15 415 Riverside South of Rice. Comment
  UC218058  Lycium andersonii P. A. Munz and D. Keck Apr 9 1912-Apr 12 1912 4849 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
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Apr 5 2011
  UCR133978  Lycium andersonii Mitch Provance, J. S. Ross 1998-3-27 MOR- 963 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR216218  Lycium andersonii Jim Andre, T. La Doux 2009-2-25 10893 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  JOTR34398  Lycium cooperi Andre, Jim 2012-4-16 20932 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA80305  Lycium fremontii F. W. Peirson 1927-4-12 7157 Riverside East branch of Painted Canyon, near Mecca. Comment
  UCR248092  Lycium pallidum var. oligospermum Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4367 Riverside Sonoran (Colorado) Desert, Mecca Hills, at Hidden Spring just off Hidden Spring Canyon, c. 2.6 air miles south of Shaver Well, or c. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal 216 Comment
  RSA785450  Lythrum californicum Jeremiah George 2011-8-9 s.n. Riverside north shore of Lake Elsinore, south of end of Lehr Dr. 384 Comment
  RSA343103  Lythrum hyssopifolia Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60633 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along seasonal stream in Cole Canyon, near entrance 534 Comment
  POM17576  Machaeranthera asteroides H. Baer 1923-9-30 s.n. Riverside Hemet Comment
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Nov 17 2011
  RSA450762  Machaeranthera asteroides var. asteroides J. C. Roos 1965-10-5 s.n. Riverside Hemet. Comment
  UCR33737  Machaeranthera cognata J. M. Stewart 1984-2-20 84- 5 Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio Hills, ridge & W-facing canyon and slopes, SE of Biskra Oasis 122 Comment
  RSA585872  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0357 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UCR159187  Madia gracilis A. C. Sanders, Kelly Volansky 2005-8-31 31564 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR37477  Malacothamnus densiflorus Steve Boyd 1981-2-9 s.n. Riverside Gavilan Hills, Steele Valley, south of groves and communication site 640 Comment
  RSA433287  Malacothamnus densiflorus var. densiflorus N. C. Cooper 1944-6-4 1317 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  CSUSB1443  Malacothamnus fasciculatus Barry Glaser 1964-4-21 640421 2 Riverside Box Springs Mountains Box Springs Mountains (foothills); Two Trees Canyon Road, 0.3 miles from end. 365 Comment
  UCR104173  Malacothamnus fasciculatus Scott D. White 1997-5-25 5249 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  UCR281210  Malacothrix clevelandii Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 32 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  CAS-BOT-BC347706  Malacothrix glabrata John Thomas Howell 1928-3-25 3550 Riverside 15 miles s. of Palm Springs on road to Indio, Colorado Desert Comment
  CHSC100692  Malacothrix glabrata Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1425 Riverside Colorado Desert; Northeastern Colorado Desert region: Along Palen Road near Hwy 177. 170 Comment
  RSA775943  Malacothrix glabrata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 953 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  RSA777286  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4544 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA778241  Malacothrix glabrata Duncan S. Bell 2009-3-8 46 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC354462  Malacothrix saxatilis var. tenuifolia Edmund C. Jaeger 1925-7-2 Riverside Jack Rabbit Trail between Moreno and Beaumont Comment
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Mar 21 2011
  VVC2031  Malacothrix stebbinsii 2010-4-7 s.n. Riverside Colorado Desert, 3.1 miles ESE of Desert Center on the south side of the highway between two service roads. 254 Comment
  OBI12339  Malva parviflora Tracey & Viola Call, Viola Call 1962-4-8 2120 Riverside Rancho Rd, Corona 213 Comment
  RSA709920  Mammillaria tetrancistra Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4636 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  SBBG87444  Marah macrocarpa L. F. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Springs Ranch, on Santa Rosa Plateau, W of Murrieta Comment
  SEINET272334  Marah macrocarpa A. C. Sanders, G Waines; Et Al 1997-3-12 19909 Riverside Lake Skinner Area; upper Rawson Canyon 2.5mi NNE of Skinner Lake 1 mi SW of Crown Valley 595 Comment
  UC28952  Marah macrocarpa W. H. Brewer Jan, 1861 150 Riverside Temescal Mountains Comment
  UCSB42176  Marah macrocarpa Roos, John 1966-4-23 Riverside Santa Ana Mtns., S of Corona Comment
  CAS-BOT-BC216183  Marina parryi Carl B. Wolf 1932-4-28 s.n. Riverside Eastern Colorado Desert. S. W Edge of Maria Mts. 10 mi. from Blythe on Rice Road 152 Comment
  SBBG3314  Marina parryi L. Rowntree 1937-5-23 Riverside Box Cyn Comment
  UCD124982  Marrubium vulgare Robert J. Weatherby 1949-5-21 492 Riverside Radec near Hemet. 609 Comment
  UC595067  Marsilea vestita subsp. vestita Philip A. Munz 1927-5-20 10800 Riverside Murietta Hot Springs Comment
  UCR22154  Matelea parvifolia J. Zabriskie 1976-6-2 850 Riverside Peninsular Range, Santa Rosa Mtns, along Cactus Springs Trail near Horsethief Creek 1009 Comment
  CAS-BOT-BC348065  Matricaria discoidea Scott D. White 1996-4-14 3888 Riverside Perris Basin, W Riverside Co. Hemet: along Florida Ave. Comment
  RSA747965  Matricaria occidentalis Justin M. Wood 2009-5-15 712 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UCR140307  Matricaria occidentalis A. C. Sanders 2004-4-9 27476 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  UCR278833  Medicago lupulina Mitch Provance 2012-7-17 17644 Riverside Beaumont Plateau, W end of Banning, 400 ft. SW of W Ramsey St. and Roberg Ave., area of fence line dividing I-10 and parking lot. 744 Comment
  CSUSB1096  Medicago sativa Holzmiller 1966-4-26 Riverside roadside of highway 395 304 Comment
  RSA335019  Medicago sativa Steve D. Boyd 1985-7-23 1007 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  RSA735385  Melia azedarach Steve Boyd 2007-4-20 11723 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh CanSoutheast-facing slope on English Lake trail. The Salmon Mountains., High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Areayon,'' ca. 0.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. 549 Comment
  RSA683857  Melica imperfecta Scott D. White, Michael Honer 2003-4-4 8942 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR100412  Melica imperfecta Scott D. White, M. A. Patten 1995-8-16 3543 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  UCR201628  Melilotus indicus Scott D. White, Justin M. Wood 2008-6-16 12112 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  RSA613647  Mentzelia D. L. Banks, Victor W. Steinmann 1997-3-13 1472 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
  RSA440417  Mentzelia involucrata S. B. Parish 1907-4-22 6148 Riverside Palm Canyon, Western Border of the Colorado Desert. 200 Comment
  RSA698074  Mentzelia involucrata J. R. Bruff 1930-5-18 s.n. Riverside Shaver s Well. Comment
  SBBG25136  Mentzelia involucrata D. Myrick 1966-4-2 1332 Riverside upper end of Aqueduct Rd, SE of Desert Hot Springs Comment
  UCR216680  Mentzelia involucrata Jim Andre, T. La Doux 2009-3-10 11241 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
  UC335512  Mentzelia involucrata John Gill Lemmon Riverside Colorado Desert Comment
  UC488988  Mentzelia laevicaulis var. laevicaulis C. V. Meyer June 1927 209 Riverside Western base of San Jacinto Mt. Comment
  SD249696  Mentzelia longiloba J. M. Andre 2013-3-27 24811 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  RSA171351  Mentzelia veatchiana J. D. Olmsted 1962-5-3 3506 Riverside San Jacinto Mts 1616 Comment
  UCR214695  Mesembryanthemum crystallinum A. C. Sanders 2010-3-25 37630 Riverside Sonoran (Colorado) Desert; Salton Trough, northeast side of the Salton Sea, Hwy 111 at Mortmar near North Shore (Desert Beach), near Marina Dr. -60 Comment
  HSC85400  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Temescal Canyon, Warm Springs Valley, Alberhill Creek E of Nichols Rd. 366 Comment
  UC1595562  Micropus californicus var. californicus Steve Boyd and Orlando Mistretta 1991-5-22 6302 Riverside e of Dorland (w of Kolb Cr., base of Agua Tibia Mtn., Vail Lake area); Vail Lake, Agua Tibia Mtn. 548 Comment
  CAS-BOT-BC348846  Microseris douglasii subsp. douglasii S. B. Parish 1914-3-24 9079 Riverside Perris Comment
  UCR102895B  Microseris douglasii subsp. platycarpha A. C. Sanders 1997-4-3 20168 B 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
  UCR99188  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-3-30 2299 Riverside Siegal Ranch Road approx. 95 m south of Cajalco Road and 976 m east of the intersection of Cajalco Rd. and Sierra Ave., c. 20 m west of Siegal Ranch Road 451 Comment
  RSA192096  Microseris lindleyi E. W. Lathrop 1959-5-3 4512 Riverside 14 miles west of Murrieta. Tenaja Canyon. Comment
  RSA38709  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11500 Riverside Indian Canyon, along Indian Canyon Truck Trail. 640 Comment
  RSA523840  Mimulus aurantiacus var. pubescens G. H. True 1935-4-1 192 Riverside Among rocks, steep sides of canyon. 396 Comment
  UCR149863  Mimulus aurantiacus var. pubescens Scott D. White, Michael Honer 2004-4-6 10042 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
  UCR220004  Mimulus aurantiacus var. pubescens A. C. Sanders 2010-11-18 38689 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  RSA19934  Mimulus aurantiacus var. puniceus I. W. Clokey 1930-4-15 4728 Riverside Perris to Gavalian Peak 600 Comment
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Nov 8 2011
  SDSU12851  Mimulus aurantiacus var. puniceus Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998H Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S.W. on road to switchback, northwest of bend in road. 262 Comment
  UCR174330  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32565 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
  UCR214017  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37791 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  SEINET3005076  Mimulus bigelovii G. Rink 2011-5-1 10514 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  RSA799276  Mimulus bigelovii var. bigelovii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 737 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
  RSA701500  Mimulus brevipes M. Wall, Susan Jett, Perez, Garcia 1994-6-1 53 Riverside S of Hemet 1.75 mi W of Benjie Lane off Hwy R-3. Comment
  UCR202240  Mimulus brevipes Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR92167  Mimulus brevipes D. L. Banks, Steve Boyd 1995-5-3 0237 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
  JEPS8378  Mimulus breweri C. V. Meyer 1928-7-31 599 Riverside Tahquitz Valley San Jacinto Mt. 2286 Comment
  POM214837  Mimulus diffusus Victor Duran 1932-5-18 3220 Riverside Idylwild, San Jacinto Mountains 1677 Comment
  RSA731022  Mimulus diffusus M. Wall 2008-4-13 445 Riverside San Jacinto Valley, Santa Rosa Hills, Simpson Park 750 Comment
  RSA80482  Mimulus diffusus F. W. Peirson 1922-4-30 2934 Riverside hills south of Tucalota Creek, below summit to St. Johns grade, road from Hemet to Aguanga Comment
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May 29 2011
  SBBG47461  Mimulus guttatus N. C. Cooper 1944-6-17 1415 Riverside above Banning 1219 Comment
  UCR133108  Mimulus guttatus 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
  UCR231772  Mimulus guttatus John F. Green 2008-4-23 08- 21 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
  UC489221  Mimulus inodorus C. V. Meyer 1928-7-31 601 Riverside Tahquitz Valley San Jacinto Mt. 2286 Comment
  UCSC000875  Mimulus moschatus Peter Kamb 1947-6-7 574 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UCR121350  Mirabilis albida A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24611 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  CLARK-A1703-67  Mirabilis bigelovii Donna Lee Hobbs 1962-3-18 3-18- 62 -26 Riverside Whitewater Canyon Comment
  RSA770889  Mirabilis laevis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4592 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  JEPS29310  Mirabilis laevis var. crassifolia Rimo Bacigalupi and L. Heckard 1962-3-25 8405 Riverside near headwaters of Temescal Wash and Canyon, western base of Estelle Mountain and just opposite Indian Canyon (from W); 3.3 miles NW of Alberhill along highway 71 304 Comment
  SEINET3139976  Mirabilis laevis var. crassifolia R. W. Spellenberg 1996-5-26 12321 Riverside 4 km NW of Aguanga on Calif. Hwy. 79 510 Comment
  RSA778227  Mirabilis laevis var. villosa Duncan S. Bell 2009-3-8 32 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  CAS-BOT-BC434882  Mirabilis multiflora var. pubescens Chas. Vandeventer 1898-6-27 956 Riverside Taurus Mt. 1371 Comment
  UCR23539  Mirabilis multiflora var. pubescens John C. Roos 1946-8-27 2785 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  UCR3840  Mirabilis multiflora var. pubescens John Minnich 1964-6-11 64-6-11- 2 Riverside San Jacinto Mtns, Hwy 74, desert side of mountains [Pinyon Flats area] 1220 Comment
  CAS-BOT-BC229625  Mirabilis tenuiloba Milo S. Baker 1928-4-3 2829 L Riverside Tahquitz Canon [Canyon] near Palm Springs Comment
  POM121879  Mirabilis tenuiloba Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA0035939  Mirabilis tenuiloba Deidre Conocchioli, Duncan S. Bell 2014-3-4 149 Riverside 1.3 miles down dirt BLM road from paved 58th Avenue; 4WD road south of Lake Cahuila and La Quinta. Just northeast of mouth of Devil Canyon, east side of Santa Rosa Mountains, west edge of Coachella Valley 37 Comment
  UC495307  Mohavea confertiflora Philip A. Munz 1932-3-14 11985 Riverside near Deep Canyon (Coachella Valley); Coachella Valley 91 Comment
  UC673537  Mohavea confertiflora Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Painted Canyon; Colorado Desert, Painted Canyon Comment
  UCD124028  Mohavea confertiflora Geoffrey Levin 1975-4-5 474 Riverside Box Canyon Wash on State Highway 195, 18.3 mi. NE of Jcn. Of 195 and 111 (Mecca). Between Mecca Hills and Orocopia Mountains. 30 Comment
  UCR148330  Mohavea confertiflora 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
  CAS-BOT-BC226237  Monardella A. C. Sanders; Mark Elvin 2001-8-17 24595 Riverside Mojave Desert, Little San Bernardino Mtns: trail from Key's [Keys] View to Inspiration Point, Joshua Tree National Park 1646 Comment
  UC1995306  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  UCR146128  Monardella australis subsp. australis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1449 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UC456087  Monardella breweri subsp. lanceolata I. J. Condit 1910-6-21 Riverside Strawberry Valley, San Jacinto Mts. 1676 Comment
  RSA699167  Monardella lanceolata J. R. Bruff 1934-6-19 544 Riverside San Jacinto Mountains Comment
  POM4044  Monardella lanceolata var. lanceolata H. M. Hall 1901-07 2527 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  LA62720  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  LA96069  Monardella linoides subsp. linoides Elizabeth McClintock; 1941-5-31 40 Riverside 1.5 to 2 mi from turn off to Anza Mounument, on rd to Coyote Canyon Comment
  UCR3715  Monardella linoides subsp. linoides Frank C. Vasek 1964-7-26 640726- 02 Riverside San Jacinto Mtns., 0.2 mi. north of Kenworthy Ranger Station 1402 Comment
  CAS-BOT-BC215494  Monardella nana Elizabeth McClintock 1941-6-8 68 Riverside 1 1/2 miles east of Ribbonwood, Pines to Palms Highway Comment
  LA57205  Monardella nana Carl Epling; L. Haines 1937-5-7 sn Riverside Pinon Flats, Pines to Palms Hwy Comment
  UC2035998  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  RSA750414  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 57 Riverside Road to Santa Rosa Mt. 0.5 miles above Pines to Palms Highway. Comment
  SEINET4151978 Image available Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 80 Riverside Peninsular Range; Santa Rosa Mtns.; road up Santa Rosa Mountain, 5.5 miles beyond canyon where stream crosses road 2317 Comment
  UCR221463  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 040 Riverside Peninsular Range; San Jacinto Mtns. Region, [Anza Valley] 1.5 to 2 miles from [south of] turnoff to Anza Monument [from modern Hwy 371] on road to Coyote Canyon 1296 Comment
  UC1499950  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 96 Riverside 2 mi beyond Stone Creek (Banning-Idyllwild road) Comment
  UCR146121  Monardella nana subsp. tenuiflora Michael Denslow, M. W. Denslow Sr., Naomi Fraga, Valerie Soza, LeRoy Gross, Firoozeh Navid- Ara 2003-7-16 1459 Riverside Peninsular Ranges; San Jacinto Mtns, Santa Rosa Mountains, first peak west of Toro Peak 2617 Comment
  UCR123189  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24616 Riverside Mojave Desert, Little San Bernardino Mtns, near Hidden Valley Campground at 'Echo T,' Joshua Tree National Park 1311 Comment
  CAS-BOT-BC349798  Monoptilon bellioides John Thomas Howell 1928-3-11 3419 Riverside Morongo Canon [Canyon], n. Colorado Desert 609 Comment
  JEPS26555  Monoptilon bellioides Peter Kamb 1948-4-11 885 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley 304 Comment
  JOTR16606  Monoptilon bellioides Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. MIDDLE WILSON CANYON Comment
  POM122601  Monoptilon bellioides Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  POM363577  Monoptilon bellioides M. B. Dunkle 1933-3-4 3067 Riverside Painted Canyon, Colorado Desert. 30 Comment
  POM363591  Monoptilon bellioides P. J. Remple 1942-3-1 s.n. Riverside Palm Springs (Sapp's Place) Comment
  RSA517245  Monoptilon bellioides Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1337 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  RSA726532  Monoptilon bellioides Naomi Fraga, Lisa Rojas 2005-2-10 1350 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC672208  Monoptilon bellioides Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  RSA403582  Muhlenbergia microsperma Thekla Mohr 1920-05 s.n. Riverside Ivy Canyon, Temescal. Comment
  SD136953  Muhlenbergia microsperma Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7376 Riverside San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 1349 Comment
  UCD86853  Muhlenbergia microsperma H. K. Wagnon; B. Rateaver 1944-1-8 282 Riverside Palm Springs .At the base of Dry Falls, Tachevah Canon. 152 Comment
  UCR41457  Muhlenbergia microsperma A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6135 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  UCR195801  Muhlenbergia porteri Tasha La Doux, J. Andre 2007-9-6 129 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  UCR113539  Muilla maritima Mitch Provance 1998-6-6 692 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCR208174  Muilla maritima F. W. Peirson 1922-4-29 2942 Riverside Perris-Aguanga Region, 2 miles south of Lake Elsinore along boulevard 366 Comment
  CAS-BOT-BC83345  Myosurus minimus P. A. Munz; I. M. Johnston 1922-5-20 5461 Riverside Hemet Valley, San Jacinto Mountains. Pool at Kenworthy. 1432 Comment
  UC218013  Myosurus minimus P. A. Munz and I. M. Johnston 1922-5-20 5461 Riverside Hemet Valley, pool at Kenworthy; San Jacinto Mts 1432 Comment
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Mar 25 2011
  UC217890  Myosurus minimus subsp. apus P. A. Munz 1922-4-29 5061 Riverside 3 mi s Elsinore 381 Comment
  RSA359887  Myosurus minimus subsp. apus Steve Boyd 1986-4-2 1591 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD181815  Myriopteris newberryi Scott D. White, Tasha La Doux 2000-4-20 7676 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UCD138165  Najas marina Richard Yeo 1977-6-17 s.n. Riverside Canyon Lake, ca. 3.5 miles southeast of Arlington. Comment
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Dec 2 2014
  RSA357786  Nama demissa Robert F. Thorne, M. Z. Thorne 1973-3-30 42678 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA45513  Nama hispida var. spathulata J. C. Roos 1949-4-9 4203 Riverside 3 mi. N.E. of Desert Center. Comment
  UCR110373  Nama stenocarpa A. C. Sanders, Mitch Provance 1999-9-26 23120 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CAS-BOT-BC60330  Nasturtium officinale H. A. Zuill 1966-6-19 227 Riverside Loma Linda. On the Los Alamos Ranch Road about 6 miles southwest of Murrieta. Comment
  UCR228736  Navarretia intertexta Jeremiah George 2011-8-8 s.n. Riverside Peninsular Range, north of Lake Elsinore and south of Nichols Rd. 395 Comment
  RSA0116561  Nemacladus glanduliferus Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 747 B 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
  SEINET10873470  Nemacladus glanduliferus var. glanduliferus Mcneal 1979-4-20 MCNEAL 2208 Riverside In a large flash flood wah parallel to highway 195, 9.9 miles southwest of its junction with Interstate 10 Comment
  UCR31680  Nemacladus longiflorus var. longiflorus John C. Roos 1947-3-15 3343 Riverside Peninsular Range; San Jacinto Valley/ San Jacinto Mtns. Foothills, 1 mile east of Valle Vista 549 Comment
  UC218060  Nemacladus orientalis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4852 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  POM18131  Nemacladus ramosissimus P. A. Munz 1923-9-7 7769 Riverside Trail from Holy Jim Canyon to Santiago Peak. 1128 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
  SEINET10461042  Nemacladus ramosissimus Hall Hall 1961 a Riverside Comment
  SEINET2081620  Nemacladus rubescens R. Haberle 1997-5-21 86 Riverside Joshua Tree National Monument. Cottonwood Spring Wash just above oasis, ca. .10 mi. Comment
  POM10259A  Nemacladus sigmoideus Charlotte M. Wilder 1905-04 575 Riverside Wilder's Canyon, Jurupa Mtns. Comment
  RSA28048B  Nemacladus tenuis var. aliformis I. L. Wiggins 1941-3-27 9671 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA678218  Nemacladus tenuis var. aliformis Valerie L. Soza, J. Mark Porter, G. D. Wallace 2001-4-2 1085 Riverside Big Morongo Wash. 473 Comment
  JEPS7616  Nemacladus tenuis var. tenuis E. E. Schellenger Apr 1920 Riverside Chuckwalla Bench; Colorado Desert Comment
  POM3455  Nemophila menziesii H. M. Hall 1897-4-7 s.n. Riverside Winchester, Riverside Comment
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Mar 20 2011
  UCR116909  Nemophila menziesii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23964 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR225212  Nemophila menziesii T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5166 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  UCSB16243  Nemophila menziesii Otey, D. 1963-5-3 Riverside 7.2 miles south of Banning on Banning to Idyllwild Road 1219 Comment
  RSA421269  Nemophila menziesii var. integrifolia H. Twining 1890-04 s.n. Riverside Riverside. Comment
  RSA426701  Nicotiana glauca Clyde Stratton 1943-7-23 s.n. Riverside Riverside. Comment
  UCR199831  Nicotiana obtusifolia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11277 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  POM13743  Nitrophila occidentalis E. C. Jaeger 1921-8-1 1166 Riverside Along river at Riverside. Comment
  RSA5582  Nolina bigelovii Carl B. Wolf 1932-10-13 4315 Riverside 0.5 mile before reaching Cottonwood Springs, Eagle Mountains, Colorado Desert 290 Comment
  RSA58893  Nolina parryi Philip A. Munz, Percy C. Everett 1950-6-23 14910 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  RSA643661  Nolina parryi James C. Dice 1985-6-13 618 Riverside Pinyon Flat, ca. 1.3 km north of Highway 74, at northwest edge of community of Pinyon Pines. 1250 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
  UCR24197  Nolina parryi John C. Roos, Lucille Roos 1949-4-23 4282 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Munsen Canyon Comment
  UCSB38730  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  RSA648273  Oenothera californica subsp. californica Tamara Joy Hanna 1991-5-12 27 Riverside Township of Anza, area of High Country Ranches. From Tamatea road approx. 100 ft. to dry stream bead, walking northeasterly direction. 1280 Comment
  LA206158  Oenothera deltoides Charles Bogert; 1932-4-17 4001 Riverside Indian Wells Comment
  LA206160  Oenothera deltoides A. M. Johnson; 1933-2-22 4172 Riverside E of Cook's Ranch, 4 mi. NW of Indian Wells Comment
  UCR16380  Oenothera deltoides S. J. Southwell 1971-5-2 s.n. Riverside Sonoran (Colorado) Desert, Windy 'Gap' [Point] sand dune, c. 10 mi. NW of Palm Springs on Hwy 111 305 Comment
  UCR33630  Oenothera deltoides Faulkner 1978-3-20 325 Riverside Sonoran (Colorado) Desert, near Big Maria Mtns., 1 mi west of Colorado River. 152 Comment
  HSC101250  Oenothera deltoides subsp. deltoides Jim Andre 2012-3-19 21350 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA248134  Oenothera deltoides subsp. deltoides Susan Delano McKelvey 1936-2-10 5056 Riverside In desert north of Palm Springs. Comment
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Dec 14 2011
  POM122332  Oligomeris linifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA698596  Oligomeris linifolia J. R. Bruff s.n. Riverside Palm Springs. Comment
  UCR68715  Oligomeris linifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4574 Riverside Agua Tibia Mtns., Vail Lake area, steep SE flank of Oak Mountain, above NE end of lake. 549 Comment
  UCSB38667  Oligomeris linifolia Cowan, Clark 1978-4-24 Riverside Dry lake bed of Lake Cahuilla; 2.1 mi (3.3 km) off Ave 66 on a dirt road, 1.3 mi(2 km) on Ave 66 from Hwy 86; Whittaker transect #W-222 (voucher) Comment
  JEPS65556  Olneya tesota W. L. Jepson 1912-10-29 5243 Riverside Riverside Mountains, along the Colorado River, Needles to Yuma Colorado River; Riverside Mountains, Colorado River 45 Comment
  POM348470  Olneya tesota John Comstock 1942-5-31 645 Riverside Desert Center. Comment
  SD48500  Olneya tesota P. C. Everett, E. K. Balls 1958-5-7 23116 Riverside Highway 195, Mecca to Blythe, entrance to Box Canyon. 198 Comment
  UC61577  Olneya tesota Miss Mary McKibben 1904-1 Riverside e of Mecca; Colorado Desert 457 Comment
  CDA34502  Oncosiphon piluliferum Mike Lahti 2011-5-5 PDR# 1357877 Riverside Sun City: Alta Vista Nursery on Sherman Road, near McLaughlin Road. 0 Comment
  UCR232799  Oncosiphon piluliferum John F. Green 2008-4-16 0408- 33 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  UC1313040  Opuntia basilaris var. basilaris Anne Harrison 1962-4-17 28 Riverside on Whitewater Canyon Rd 1/4 mi s; trout farm where road crosses Whitewater River (n of US Hwy 60) Comment
  UCR192122  Opuntia microdasys John F. Green 2008-6-5 s.n. Riverside Peninsular Range, south side of Hwy 74, c. 3 miles NE of Lake Elsinore and 3 miles NW of Canyon Lake 478 Comment
  POM284055A  Opuntia phaeacantha Lyman Benson 1955-12-6 15619 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  SD229121  Opuntia phaeacantha Dick Schwenkmeyer 2012-3-26 685 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA388331  Opuntia vaseyi Steve Boyd 1986-5-7 1833 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA356627  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1979-8-29 47312 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  VVC2183  Orcuttia californica Tim Thomas, Bill Baker 1983-6-30 579 A Riverside Santa Rosa Plateau, Burro Mesa 630 Comment
  UC887977  Orobanche bulbosa P. A. Munz and I. M. Johnston 1922-5-19 5330 Riverside 5 mi ne of Murietta 457 Comment
  UCR42408  Orobanche cooperi J. M. Stewart 1986-1-26 86 10 Riverside Western Colorado Desert, SE end of Mecca Hills Comment
  UCR18525  Orobanche fasciculata A. C. Sanders 1978-6-11 471 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA0078552  Orobanche parishii Sara M. Schenck 1941-11-2 s.n. Riverside Smith Water Canyon, Joshua Tree National Monument. Comment
  RSA602273  Orobanche parishii subsp. parishii Louis C. Wheeler 1952-4-5 6851 Riverside Mecca Hills: Mouth of Painted Canyon. Comment
  RSA525417  Orthocarpus purpurascens Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4525 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  CAS-BOT-BC355748  Osmadenia tenella Steve Boyd 1986-5-1 1794 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  RSA392899  Oxytheca emarginata E. C. Jaeger 1922-7-23 s.n. Riverside Pines to Palms Trail, E-slope San Jacinto Mtns. 1524 Comment
Read comments
May 29 2011
  RSA597530  Oxytheca emarginata Louis C. Wheeler 1960-5-7 7685 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  UCR139142  Oxytheca trilobata John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  UCR202001  Oxytheca trilobata Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  CLARK-A1528-5815  Paeonia brownii John C. Roos, Lucille Roos 1952-3-1 5381 Riverside San Timoteo Canyon 518 Comment
  UCR1212  Palafoxia arida Martha McCarthy 1960-3-13 s.n. Riverside Western Colorado Desert, [near Whitewater] side of Hwy 60/99 [now I-10], 2 miles past [east of] the Palm Springs cut-off [approx Hwy 111 junction] 396 Comment
  SD187359  Palafoxia arida var. arida Naomi Fraga, Sarah J. De Groot, et al. 2005-2-10 1419 Riverside Northeastern Colorado Desert region: Along Palen Road near Highway 177. 170 Comment
  UCR153389  Palafoxia arida var. arida Scott D. White 2000-3-23 7634 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  SEINET3271553 Image available Panicum O. F. Clarke 2002-11-3 Riverside Peninsular Range; Riverside; UCR Botanical Garden 340 Comment
  SBBG133577  Panicum capillare J. M. Wood 2008-9-19 130 Riverside SW Perris Basin, Temecula-Murrieta Crk, downstream of 1st street bridge 293 Comment
  SBBG57164  Panicum urvilleanum Anstruther Davidson 1893-1 Riverside Palm Springs Comment
  CAS-BOT-BC274184  Pappostipa speciosa A. M. White 1974-6-8 1431 Riverside 50 mi. N. Desert Center Comment
  CAS-BOT-BC403919  Parietaria hespera A. C. Sanders; G. K. Helmkamp; P. J. MacKay 1995-3-12 16099 Riverside Coachella Valley/Santa Rosa Mtns.: alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon. 12 Comment
  UCR102826  Parietaria hespera var. californica A. C. Sanders 1997-3-26 20104 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  JEPS43448  Parietaria hespera var. hespera S. B. Parish 1920-3-25 20013 Riverside Indian Wells; Colorado Desert Comment
  POM46828  Parietaria pensylvanica Mary F. Spencer 1920-4-7 10463 Riverside Palm Canyon. 213 Comment
  UCR199618  Parkinsonia aculeata Scott D. White, Angelia Carey 2004-7-2 10553 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA0026454  Parkinsonia florida Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Comment
  CLARK-A1528-83  Paspalum dilatatum John C. Roos 1951-9-25 5262 Riverside Riverside 259 Comment
  UCR113937  Paspalum distichum Mitch Provance 2000-6-24 2066 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CAS-BOT-BC258776  Paspalum urvillei H. A. Gray 1915-6-1 s.n. Riverside Palm Springs R. R. Station, Colorado Desert Comment
  UCR239836  Paullinia pinnata O. F. Clarke 2004-8-5 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA0104080  Pectis papposa Duncan S. Bell, Evan Meyer 2014-10-28 7664 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA793609  Pectis papposa Duncan S. Bell, Aaron C. Sedgwick 2012-9-13 4204 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal,, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  CAS-BOT-BC540740  Pectis papposa var. papposa Sarah J. De Groot; Amy Rouillard 2015-9-15 7571 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  RSA644211  Pectis papposa var. papposa V. W. Steinmann 1999-10-26 1417 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  RSA778408  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 060 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  RSA782000  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 106 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  UC65019  Pectis papposa var. papposa E. E. Schellenger 1904-10-19 20 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  CAS-BOT-BC169718  Pectocarya anisocarpa C. F. Baker 1904-4-5 4139 Riverside Hemet Comment
  UCR217793  Pectocarya heterocarpa Jim Andre, T. La Doux 2010-2-28 12562 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  OBI8293  Pectocarya linearis David J. Keil, Malcolm McLeod 1977-3-26 12012 -1 Riverside 8 mi NW of Lake Elsinore State recreation area along Calif 71 366 Comment
  UCR113195  Pectocarya linearis A. C. Sanders 1998-3-11 21675 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR183004  Pectocarya linearis Mitch Provance 2003-5-5 4405 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA594113  Pectocarya penicillata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 919 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  RSA613460  Pectocarya penicillata D. L. Banks, Victor Steinmann 1997-3-13 1432 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SEINET272156  Pectocarya penicillata A. C. Sanders 1997-3-1 19754 Riverside Box springs Mountains: E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch E of Hidden Springs Rd. intersecti 579 Comment
  UCR148472  Pectocarya peninsularis 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
  JEPS88955  Pectocarya platycarpa Rimo Bacigalupi with Paul Hutchison 1958-2-19 6198 Riverside 9.4 mi n Blythe; w base of Big Maria Mts., in wash 167 Comment
  RSA676118  Pectocarya recurvata Scott D. White 2001-4-3 8222 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA777328  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 825 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  JOTR33959  Pectocarya setosa La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2845 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA543594  Pectocarya setosa Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6146 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  SBBG118580  Pectocarya setosa L. Gross with V. Soza 2003-5-8 826 Riverside N end of Rouse Ridge, S of the San Jacinto River, N of Rouse Hill Rd; T5S R2E S19, Center 777 Comment
  POM12896  Pedicularis semibarbata Philip A. Munz 1922-6-28 5880 Riverside Near Toro Peak , Santa Rosa Mts. 2409 Comment
  UCSB7188  Pediomelum californicum Haller, Norman 1953-5-23 Riverside Hemet Reservoir, Hwy 174, 4 miles SE of Idyllwild turnoff, San Jacinto Mtns 1371 Comment
Read comments
Jun 2 2013
  RSA771699  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4695 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  SFV69  Pellaea andromedifolia J. H. Wood 1958-5-30 s. n. Riverside San Jacinto Mountains Comment
  POM8767  Pellaea andromedifolia var. andromedifolia P. A. Munz, Harwood 1920-2-28 3233 Riverside 2 mi. southeast of Corona 274 Comment
  RSA711766  Pellaea mucronata A. C. Sanders, Mike Misenhelter 2005-3-23 29283 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SD80136  Pellaea mucronata Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 382 Riverside North slope of Santa Rosa Mountains; Deep Canyon, west of water service road, ca. 2 miles south of Highway 74 1310 Comment
  CAS-BOT-BC71527  Pellaea mucronata var. californica Louis C. Wheeler 1931-10-4 174 Riverside Strawberry-Tahquitz Valley Trail, San Jacinto Mts. 2042 Comment
  GMDRC2052  Pellaea mucronata var. mucronata J. Andre 2006-4-26 6773 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 116.44661 deg. W. Elev. 4347 ft. 1325 Comment
  RSA25155  Pellaea mucronata var. mucronata C. L. Hitchcock 1940-4-12 6043 Riverside 8 mi. northwest of Elsinore 457 Comment
  UC1210232  Pellaea mucronata var. mucronata Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6206 -A Riverside ca. 2 mi w of Ribbonwood (above CA Hwy 74 (Palms to Pines)); San Bernardino Nat'l Forest, sw base Santa Rosa Mts 1371 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
  RSA0079935  Penstemon John F. Emmel 1985-10-23 978 Riverside Coxcomb Mts.; gently sloping area 0.1-0.2 air mile WNW of peak 4416. 1280 Comment
  UC1618031  Penstemon californicus Donald G. Nelson 1936-5-21 370 Riverside Slopes just N of meadow in valley, just E of Hurkey Creek Camp area, E of Lake Hemet, and N of Mount Thomas. Comment
  UC218112  Penstemon centranthifolius P. A. Munz 1922-6-27 5847 Riverside Santa Rosa Santa Rosa Mts., Santa Rosa 1981 Comment
  UCR110969  Penstemon clevelandii George K. Helmkamp 1998-6-27 4105 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  CAS-BOT-BC265294  Penstemon clevelandii subsp. connatus Edmund C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mountains 1219 Comment
  RSA271841  Penstemon clevelandii subsp. connatus C. W. Tilforth, Walter Wisura 1978-7-27 1670 Riverside Along Hwy 74 at Bighorn Sheep Lookout above 7 Level Hill, south of Palm Desert Comment
  NY583953  Penstemon clevelandii var. connatus R. F. Thorne 1978-4-23 52077 Riverside Bighorn Lookout: north slope of Santa Rosa Mountains Comment
  JEPS7536  Penstemon eatonii var. undosus W. L. Jepson 1914-5-18 6007 Riverside n Indio (Pinon Well grade summit, betw. Pinon Well and County Well); Colorado Desert, summit Pinon Well grade, n of Indio Comment
  RSA284585  Penstemon labrosus C. W. Tilforth, John Dourley 1980-7-15 2072 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  UCSB26814  Penstemon labrosus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns 2377 Comment
  POM4262  Penstemon spectabilis H. M. Hall 1902-04 2923 Riverside Vicinity of Riverside 366 Comment
  RSA343095  Penstemon spectabilis Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60618 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  SEINET3208893  Penstemon spectabilis G. Goodwin 2012-6-14 3448 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  JOTR16855  Penstemon thurberi Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  RSA282788  Pentachaeta aurea C. W. Tilforth, B. Busenberg 1980-7-10 1977 Riverside 0.1 mile in form Hwy 74 on north leg of Thomas Mountain Rd., 1 mile south of Lake Hemet 1387 Comment
  UC88035  Pentachaeta aurea A. W. Anthony 1895-7-15 Riverside San Jacinto Mts. 1828 Comment
  RSA0070724  Pentagramma triangularis E. W. Lathrop 1968-5-22 6921 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC71577  Pentagramma triangularis subsp. maxonii Lewis S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. W of Palm Springs 670 Comment
  IRVC3159  Pentagramma triangularis subsp. triangularis R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center, Hemet Hwy. San Jacinto Mountains 976 Comment
  LA204571  Peritoma arborea Norman C. Cooper; 1944-4-23 1117 Riverside Cabazon 457 Comment
  RSA0042375  Peritoma arborea Duncan S. Bell, LeRoy Gross 2014-3-20 6282 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  CAS-BOT-BC77524  Peritoma arborea var. arborea Cecil Hart 1926-2-1 s.n. Riverside Palm Springs Comment
  JOTR35384  Perityle emoryi Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 172 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  POM8380  Perityle emoryi Mary F. Spencer 1920-4-7 783 Riverside Palm Springs. 122 Comment
  SBBG65632  Perityle emoryi Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  SD224864  Perityle emoryi G. K. Helmkamp 1998-2-5 2648 Riverside Palm Springs, 1.1 mi. W of CA Hwy 111 on Tramway Rd. 334 Comment
  UC306392  Perityle emoryi S. B. Parish 1919-3-27 19196 Riverside Palm Canyon Colorado Desert Comment
  OBI78428  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd, 8 mi W of Rancho California; In Sandia Crk 305 Comment
  SD122868  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd., 8 mi west of Rancho California, wet sand in Sandia Creek 305 Comment
  RSA125461  Petalonyx thurberi E. K. Balls, P. C. Everett 1957-8-20 22662 Riverside 3.2 miles N along road to 29 Palms from Jct with Hwy 60/70/99. 259 Comment
  RSA342563  Petalonyx thurberi Robert F. Thorne, C. W. Tilforth 1980-5-28 54191 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  PASA1559  Petalonyx thurberi Shanteau Riverside Mojave desert Comment
  LA203887  Peucephyllum schottii Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Box Canyon Comment
  RSA0121245  Peucephyllum schottii Sherwin Carlquist 1958-10-12 628 Riverside Eagle Mt., pumping station. Comment
  UC667339  Phacelia affinis Annie M. Alexander and Louise Kellogg 1941-5-5 2123 Riverside Lost Horse Valley Joshua Tree National Monument 1280 Comment
  RSA0043369  Phacelia ambigua var. ambigua Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17711 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. Comment
  UCR60240  Phacelia campanularia R. F. Thorne, M. Z. Thorne 1973-3-30 42658 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UC672427  Phacelia campanularia subsp. campanularia Herbert L. Mason 1928-3-10 4183 Riverside Snow Creek Colorado Desert, Whitewater River Valley Comment
  RSA81018  Phacelia campanularia subsp. vasiformis G. R. Campbell 1952-4-6 18406 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 976 Comment
  UC791036  Phacelia campanularia subsp. vasiformis Carroll E. Wood Jr. and Thomas Morley 1949-5-1 7624 Riverside sw-facing slope at Key's View Joshua Tree National Monument, Little San Bernardino Mountai (mts. above Coachella Valley) Comment
  CHSC111045  Phacelia cicutaria var. hispida L. M. Prince; Duncan S. Bell 2009-6-17 580 Riverside Cleveland National Forest. Comment
  UCR117619  Phacelia cicutaria var. hispida Scott D. White 1997-5-25 5245 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  UCR104033  Phacelia crenulata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2736 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  CLARK-A1656-650  Phacelia crenulata var. ambigua Lois Ann Scott 1978-4-8 Riverside Chuckwalla Valley 304 Comment
  UC310588  Phacelia crenulata var. ambigua Philip A. Munz 1926-1-31 9958 Riverside Dos Palmos Spring Colorado Desert Comment
  UCR241427  Phacelia crenulata var. ambigua Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 25 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  JOTR16718  Phacelia crenulata var. crenulata Baker, James K. & Baker, Ilisa T. 1966-6-1 s.n. Riverside Joshua Tree National Park. PINTO WYE MAINTENANCE AREA AT GATE 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
  SD241053  Phacelia crenulata var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 7864 Riverside McCoy Wash, N of Palo Verde Mesa, 5.43 km W of Mesaville rairoad siding, 10 km N of I-19, and 13 km NW of Blythe. 139 Comment
  HSC86991  Phacelia distans Maureen Pendleton 1988-2-15 Riverside 2 mi. NW of Alberhill on E side of Horsethief Canyon wash 381 Comment
  JEPS2009  Phacelia distans W. L. Jepson 1939-4-17 19128 Riverside near Twin Sprs. (n end of canyon, sw Riverside Co.); Temescal Canyon Comment
  RSA346643  Phacelia distans Barry Burnell 1970-3-24 162 Riverside 2 miles up Tramway Road off Hwy 111 Chino Canyon, San Jacinto Mts. 457 Comment
  RSA703475  Phacelia distans LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1419 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SD38329  Phacelia distans Jack Rempel 1931-4-11 1976 Riverside Colorado Desert [SD 39386, collected on the same date, says Colorado Desert near Palm Springs Railroad Station] Comment
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Jul 11 2010
  SD38344  Phacelia distans Edith A. Purer 1935-4-21 6486 Riverside Western edge of Colorado Desert near Palm Springs. Comment
  UCR120811  Phacelia distans Ian G. Gillespie 2000-4-16 4 Riverside Box Springs Mtns., Two Trees Canyon. 70 m up the trail from Two Trees trailhead 457 Comment
  UCR22086  Phacelia distans Steve Boyd 1980-5-3 178 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 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
  RSA588176  Phacelia imbricata subsp. patula D. L. Banks, V. W. Steinmann 1995-7-10 742 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 561 Comment
  POM305650  Phacelia minor Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1016 Riverside Aguanga. Comment
  RSA428097  Phacelia minor M. B. Dunkle 1935-3-10 4358 Riverside Abernathy [Temescal Canyon area] 244 Comment
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May 15 2012
  RSA493824  Phacelia minor Maureen 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
  UC455955  Phacelia minor I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  SEINET3141298  Phacelia pedicellata R. W. Spellenberg 2001-4-26 13217 Riverside 30 air km NE of Mecca in feeder canton to Cottonwood Canyon 800 Comment
  LA205627  Phacelia ramosissima Elizabeth McClintock; 1941-5-19 9 Riverside rd to Santa Rosa Peak Comment
  CDA40393  Phacelia ramosissima var. suffrutescens T. C. Fuller 1964-4-14 11830 Riverside On disturbed cut above road, Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  UCR262230  Phacelia umbrosa T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3708 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  CHSC61260  Phalaris minor J. Lund 1980-4-2 Riverside Across the freeway from Valarie Jeans on Rd. W86 on north west side of Salton Sea. Comment
  UCR172252  Phalaris minor John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA459292  Pholistoma membranaceum E. Crow 1929-2-24 181 Riverside Andreas Canyon, S of Palm Springs, Colorado Desert. Comment
  RSA49358  Pholistoma membranaceum P. A. Munz 1949-4-11 13008 Riverside Near Conejo Well, north base of Eagle Mts. 915 Comment
  UCD120944  Pholistoma membranaceum Geoffrey Levin 1976-3-27 685 Riverside Riverside County; Chino Canyon, west of Palms Springs, Mt. Range: Alluvial fan of San Jacinto Mts., Drainage area: Salton Sea Basin 396 Comment
  CAS-BOT-BC135101  Phoradendron californicum Catherine A. Toschi 1963-4-11 63 :123 Riverside Porcupine Wash, Joshua Tree National Monument 762 Comment
  POM46959  Phoradendron californicum Mary F. Spencer 1920-3-15 1504 Riverside Mecca; 197 feet below sea level -60 Comment
  RSA420768  Phoradendron californicum P. J. Remple 1942-3-1 s.n. Riverside Colorado Desert. Comment
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Nov 5 2011
  RSA420779  Phoradendron californicum Ora M. Clark 1929-2-23 1542 Riverside W. Whitewater. Comment
  RSA0127850  Phoradendron californicum G. Rink 2014-3-26 12447 Riverside Johnson Valley, about 1 mile south of Galway Dry Lake. 900 Comment
  UCR1488  Phoradendron densum Howard York 1962-4-5 s.n. Riverside San Jacinto/Santa Rosa Mtns., Pinyon Flats Campground, Hwy 74 1220 Comment
  OBI12426  Phoradendron libocedri Louis C. Wheeler 1931-10-3 243 Riverside 1.5 I NW Tahquitz Peak, San Jacinto Mts 1920 Comment
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Jul 9 2012
  UCR91969  Phoradendron libocedri George K. Helmkamp, E. A. Helmkamp 1995-11-16 2- 2 Riverside San Jacinto Mtns., Along Hwy 243 at Lake Fulmor 1616 Comment
  RSA482012  Phoradendron villosum Richard Noyes, L. Arnseth 1988-9-10 723 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild. 1875 Comment
  RSA594133  Phyla nodiflora var. nodiflora D. L. Banks, Victor W. Steinmann 1996-4-20 899 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 524 Comment
  CLARK-A1528-888  Physalis crassifolia Charlotte Stocks 1963-5-26 Riverside La Quinta Comment
  POM306734  Physalis crassifolia Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1708 Riverside Near Desert Center-Indio. Comment
  POM69675  Physalis crassifolia Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA510052  Physalis crassifolia B. Pitzer 1988-3-10 656 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA79899  Physalis crassifolia J. Ewan 1931-4-2 4089 Riverside Moist sand under Smoke Trees; 2 mi. north of Oasis. Comment
  SBBG6615  Physalis crassifolia H. and M. Dearing 1940-6-7 4336 Riverside Box Cyn Comment
  UCR102739  Physalis crassifolia B. G. Pitzer 1998-2-1 3435 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  RSA423910  Physalis crassifolia var. crassifolia Christopher Davidson 1980-4-4 7676 Riverside Orocopia Mts. Lower end of Box Canyon on Box Canyon Rd.; 4.4 mi. E of Mecca. 213 Comment
  UC146429  Physalis philadelphica Miss Kate Conger before Oct 1909 Riverside Winchester Comment
  CAS-BOT-BC60795  Physaria tenella Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs. Comment
  SBBG83305  Phytolacca americana D. Domenigoni 1986-4-21 Riverside Young property, Hemet Comment
  UCR77756  Pilularia americana Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6348 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  CAS-BOT-BC78593  Pinus flexilis Carl B. Wolf 1932-8-5 3983 Riverside San Jacinto Mts. Summit of San Jacinto Peak 3293 Comment
  NY61584  Pinus jeffreyi R. T. Clausen 1963-4-24 63065 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA384373  Pinus monophylla Gale Sphon 1955-5-22 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  CAS-BOT-BC72839  Pinus quadrifolia J. C. Roos 1965-8-18 s.n. Riverside Summit of Pines to Palm Hwy., Thomas Valley, San Jacinto Mtns. Comment
  CDA18001  Pinus quadrifolia L. D. Merrill 1999-8-27 s.n. Riverside Burnt Valley Rd, Santa Rosa Mtns. 0 Comment
  LA24977  Piperia cooperi M. Zaitlin; 1951-5-12 sn Riverside San Juan Canyon, Hwy 74 914 Comment
  UCR275951  Pityrogramma triangularis T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3782 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCR147039  Plagiobothrys arizonicus L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mtns, Falls Creek, north side of Mount San Jacinto 549 Comment
  IRVC26248  Plagiobothrys canescens A. C. Sanders, D. Malueg 2003-5-8 26559 Riverside San Jacinto Riverbottom, north of San Jacinto and SE of State St. San Jacinto Valley 465 Comment
  UCR127363  Plagiobothrys canescens A. C. Sanders, D. Malueg 2003-5-8 26559 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UC718552  Plagiobothrys collinus Carl B. Wolf 1935-4-7 Riverside 2 mi sw Perris; Gavilan Hills Region 426 Comment
  LA210033  Plagiobothrys collinus var. californicus Ivan M. Johnston; 1920-5-8 Riverside Jurupa Mountains Comment
  UCR234332  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2012-4-6 40004 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  UCR241806  Plagiobothrys collinus var. californicus A. C. Sanders, Dave King 2013-4-11 40792 Riverside Peninsular Range; SE edge Gavilan Hills, hills east of Hwy 74 and south of Perris, SCE power line route NE of intersection of Theda and Eugene streets 511 Comment
  RSA678976  Plagiobothrys collinus var. fulvescens Scott D. White, Michael Honer 2003-6-3 9493 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR157464  Plagiobothrys collinus var. fulvescens A. C. Sanders 1994-5-30 14614 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA0013701  Plagiobothrys collinus var. ursinus LeRoy Gross, Grace Cho 2013-4-9 5996 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA563902  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  SBBG92278  Plagiobothrys nothofulvus J. Hirshberg 1989-4-19 Riverside Santa Rosa Plateau, S of town of Murrieta, W of Mesa de Burro 609 Comment
  UC69223  Plagiobothrys nothofulvus F. M. Reed 1905-5-7 747 Riverside near summit Pigeon Pass (vicinity Riverside) Comment
  SD133149  Plagiobothrys stipitatus var. micranthus A. C. Sanders, Rey and D. Willick 1991-4-19 10927 Riverside Edgemont area east of Sycamore Canyon 466 Comment
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Apr 5 2007
  CDA41403  Plantago aristata J. W. Gilmore Jun 1923 s.n. Riverside Aguanga. 0 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
  UCR226064  Plantago erecta A. C. Sanders, T. B. Salvato 2011-4-1 38967 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
  UCD124517  Plantago major E. W. Lathrop 1966-5-8 6414 Riverside Santa Ana Mountains. 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  JEPS6882  Plantago ovata Ivan Johnston Apr 4 1917-Apr 6 1917 1006 Riverside near Palm Springs; Colorado Desert 152 Comment
  UC1125638  Plantago ovata H. S. Yates 1937-3-23 5396 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCR108724  Plantago ovata Scott D. White, Pam DeVries 1998-2-9 6085 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  RSA278493  Plantago ovata var. fastigiata John F. Emmel 1977-3-28 555 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  RSA402035  Plantago ovata var. fastigiata M. B. Dunkle 1932-3-25 2902 Riverside Near Cathedral Canyon 152 Comment
  RSA555334  Plantago ovata var. fastigiata A. C. Sanders, E. J. Lawlor 1992-4-4 12087 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCD124533  Plantago ovata var. fastigiata Francis M. Ball 1964-2-15 66 -22 Riverside At 1000 Palms. Comment
  SD215599  Plantago ovata var. insularis W. Wisura, J Dolan and M Wall 1992-3-24 4626 Riverside 7.7 miles northeast of Mecca on Box Canyon Road. Comment
  RSA771667  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4902 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  CHSC35880  Platanus racemosa James Henrickson 1972-5-21 7193 a Riverside Ca. 13 air mi. W. of Temecula in Matec Cyn. along Tenaja Rd. in flat area above steep falls along rd; ca. 4 mi. N. of Tenaja Campground. 457 Comment
  UC527330  Platanus racemosa B. D. Stark Nov. 1933 5555 Riverside Andreas Canyon San Jacinto Mts. (desrt side of mts.) Comment
  UCR270186  Platanus racemosa A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42409 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UC167981  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 2 Riverside Wilders near Riverside; near Riverside Comment
  UC167983  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder 1905-5-12 9 Riverside Wilders near Riverside; near Riverside Comment
  UC64140  Platystemon californicus Miss Daisy M. Harris May 1897 Riverside Winchester Comment
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Mar 20 2011
  SEINET7042762  Platystemon californicus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside South end of Buck Road, Notheast of Long Valley, south southeast of Winchester. Comment
  UCR160324  Plectritis ciliosa subsp. insignis Steve Boyd, Orlando Mistretta 1992-4-22 6996 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA778415  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-4 52 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
  SBBG14312  Pleuraphis rigida H. and M. Dearing 1936-12-25 Riverside Thousand Palms Comment
  JEPS18556  Pleurocoronis pluriseta W. L. Jepson 1914-5-18 6022 Riverside County Well Colorado Desert Comment
  RSA457772  Pleurocoronis pluriseta Steve Boyd 1988-3-10 2216 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SD40731  Pleurocoronis pluriseta B. D. Stark 1933-5-13 4983 Riverside Andreas Canyon 760 Comment
  UCR101357  Pluchea sericea A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22227 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  UCR130873  Pluchea sericea A. C. Sanders, K. C. Rose 1999-5-28 22793 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 18 Comment
  UCR135982  Pluchea sericea A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27904 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  UCR2674  Poa annua F. M. Reed 1904-3-11 661 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA651608  Poa annua D. L. Heald 1966-4-5 28 Riverside In the front yard of D.L. Heald in Arlington. 304 Comment
  UC39596  Poa fendleriana subsp. longiligula W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1913 Riverside near summit Santa Rosa Peak 2590 Comment
  RSA552738  Poa secunda Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6760 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UCR133398  Poa secunda Tracy Tennant, J. S. Ross 1998-5-7 MOR- 109 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR22190  Poa secunda E. W. Lathrop 1965-4-18 5652 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 10 miles west of Murrieta Comment
  UC39551  Poa secunda subsp. secunda H. M. Hall June, 1901 2064 Riverside San Jacinto Mts 1615 Comment
  UCR155082  Polygonum argyrocoleon A. C. Sanders, Kelly Volansky 2005-3-17 29243 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
  RSA334990  Polygonum punctatum Steve Boyd 1985-7-23 1014 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  RSA162794  Polypodium californicum J. D. Olmsted 1959-4-23 459 Riverside Spring Trail at Beacon Pines Ranch; 9 mi. SW of Corona, Santa Ana Mountains 732 Comment
  RSA641603  Polypodium californicum E. Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mtns. Canyon near Murietta. Comment
  POM2086  Populus fremontii Marjorie Shaw 1916-5-28 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  SD229276  Populus fremontii Dick Schwenkmeyer 2013-6-11 904 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  JEPS64524  Populus fremontii subsp. fremontii W. L. Jepson 1928-4-25 12590 Riverside Colorado Desert, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Spring 731 Comment
  UCR48392  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR89542  Porophyllum gracile Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument; E side of Hexie Mtns., Porcupine Wash, near the junction with Ruby Lee Canyon 732 Comment
  CDA3370  Portulaca oleracea T. B. Salvato, A. C. Sanders 2005-5-17 890 Riverside San Jacinto Mtn foothills; San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. Comment
  RSA198981  Potamogeton foliosus Robert F. Thorne, E. Lathrop, Philip A. Munz 1968-5-8 37564 Riverside Santa Rosa Plateau: Shallow water of vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  POM13235  Potamogeton pusillus Philip A. Munz, J. M. Johnston 1922-5-21 5523 Riverside Hemet Valley, San Jacinto Mts.; Garner Ranch 1387 Comment
  UC1951225  Potamogeton pusillus Justin M. Wood with Brandy Wood 2009-7-4 1045 Riverside San Bernardino Valley: Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. Guasti 7.5' Quad. Comment
  POM366583  Potentilla gracilis var. elmeri Anstruther Davidson 1920-07 3401 Riverside Idlywild. [Idyllwild.] Comment
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Nov 29 2014
  UC61512  Prosopis glandulosa var. torreyana L. D. Copeland May 1904 5 Riverside West Canyon, Palm Springs; Palm Springs Comment
  RSA604714  Prosopis velutina L. C. Wheeler 1961-10-8 7933 Riverside Temescal Canyon: at Dawson Canyon Fire Road. Comment
  UCR120856  Prunus fasciculata Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  RSA701211  Prunus fremontii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Taquitz canyon Comment
  UCR35156  Prunus fremontii L. B. Ziegler 1969-4-9 340 Riverside San Jacinto Mtns., Pinyon Flats. Near Palm Canyon Drive 1250 Comment
  CLARK-A1528-4034  Prunus ilicifolia John C. Roos 1940-5-4 Riverside San Timoteo Canyon Comment
  UC1979536  Prunus ilicifolia subsp. ilicifolia Darin L. Banks, Peter Morrell 1995-5-4 298 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Woodchuck Trail. Comment
  SBBG27203  Prunus virginiana var. demissa I. W. Clokey, E. C. Anderson 1935-8-21 Riverside W of Poppet Flat 1200 Comment
  CAS-BOT-BC356354  Psathyrotes ramosissima F. O. Ballou 1926-2-26 s.n. Riverside Painted Canon [Canyon] Comment
  OBI35673  Psathyrotes ramosissima Louis B. Ziegler 1977-4-12 561 Riverside Near Desert Hot Springs 381 Comment
  UCSC000827  Pseudognaphalium biolettii G. R. Hall 1901-3-31 s.n. Riverside near Riverside Riverside Comment
  SD136918  Pseudognaphalium leucocephalum Steve Boyd 1994-10-14 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area of the Cleveland National Forest. 305 Comment
  UCR280937  Pseudognaphalium leucocephalum Mitch Provance, Matt K. Beyers 2017-6-8 617- 13 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  RSA770784  Pseudognaphalium luteoalbum Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4535 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  OBI16414  Pseudognaphalium microcephalum Tracey & Viola Call, Viola Call 1962-4-13 2130 Riverside Tin Mine Cyn near Corona Comment
  RSA220975  Pseudotsuga macrocarpa E. W. Lathrop 1966-3-23 6111 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  RSA85082  Psilocarphus brevissimus J. C. Roos 1952-4-30 5601 Riverside Edgemont, near Box Springs 488 Comment
  UCR202015  Psilocarphus brevissimus Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  UCR266311  Psilocarphus brevissimus D. E. Bramlet 1991-6-1 2190 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W Florida Ave. at EMWD canal 457 Comment
  UCR266318  Psilocarphus brevissimus D. E. Bramlet 1991-4-29 2076 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  CAS-BOT-BC346366  Psorothamnus L. R. Abrams 1926-3-26 11117 Riverside between Edom and Garnet, east of San Gorgonio Pass Comment
  HSC47347  Psorothamnus arborescens var. minutifolius Richard Spjut, Judy Adams 1978-11-22 5235 Riverside Colorado Desert: N of Palm Springs along Indian Ave. 0 Comment
  JOTR29306  Psorothamnus arborescens var. simplicifolius La Doux, Tasha, Mike Bell 2006-5-17 1383 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UCR131535  Psorothamnus arborescens var. simplicifolius Jennie Phui 1998-5-30 026 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, mouth of Lion Canyon, 0.5-2 miles up Lion Canyon road north of I-10 Fwy 549 Comment
  CAS-BOT-BC353615  Psorothamnus emoryi S. B. Parish 1906-4-20 6725 Riverside Palm Springs Comment
  RSA1195  Psorothamnus emoryi B. D. Stark 1930-4-2 784 Riverside Indio. 0 Comment
  RSA707352  Psorothamnus emoryi Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 07 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
  SBBG68076  Psorothamnus emoryi R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  CAS-BOT-BC340923  Psorothamnus schottii H. M. Hall 1905-4-1 5758 Riverside Colorado Desert. Palm Springs 152 Comment
  UCD108355  Psorothamnus schottii Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UCR241711  Psorothamnus schottii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 44 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  CAS-BOT-BC340950  Psorothamnus spinosus S. B. Parish 1912-6-28 8107 Riverside Painted Canon [Canyon] near Mecca Comment
  UC403403  Psorothamnus spinosus H. E. and S. T. Parks Feb. 1929 394 Riverside below Palm Springs (along the desert edges); below Palm Springs Comment
  UCR268289  Pteridium aquilinum var. pubescens Jim Andre 2012-6-15 30531 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCR91519  Pterostegia drymarioides Scott D. White 1995-4-5 2749 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  JOTR32194  Purshia tridentata var. glandulosa Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  RSA0081604  Pyrola aphylla Mary F. Spencer 1923-7-8 2264 Riverside [Illegible portion of locality information on top of label.] Banning road in Idyllwild, San Jacinto Mt. 1829 Comment
  UCR273239  Quercus Mitch Provance, Jeremiah George 2012-1-30 17372 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. W of Bolo Ct. and 2500 ft. S of W 4th St. 762 Comment
  UCR273966  Quercus Mitch Provance 2012-4-27 412- 34 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR277504  Quercus Mitch Provance 2012-4-20 412- 36 Riverside San Timoteo Canyon, 0.8 mi south-southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 671 Comment
  UCR169495  Quercus X morehus Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 85 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  JOTR16705  Quercus X munzii McKusick, Rosa 1967-1-30 s.n. Riverside Joshua Tree National Park. LIVE OAK TANK; QUEEN'S VALLEY Comment
  RSA600566  Quercus agrifolia Louis C. Wheeler 1962-7-26 8181 Riverside Temescal Valley. Comment
  SD122174  Quercus agrifolia James C. Dice, Ruth Miller 1987-11-23 753 Riverside Near northeast edge of Reserve, at north edge of Eucalyptus planting. 365 Comment
  RSA713579  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -580 Riverside San Jacinto Mountains, San Bernardino National Forest, 2.3 mi W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  UCR250405  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 2 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR97257  Quercus berberidifolia Scott D. White 1997-2-9 4683 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UCR93997  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4261 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  RSA503821  Quercus cornelius-mulleri N. C. Cooper 1943-9-11 910 Riverside East side of San Jacinto Mt. Comment
  SEINET10891639  Quercus dumosa Greg Gust, Leith Nye 2005-3-12 Gust 555 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  SEINET2066423 Image available Quercus dumosa B. Pitzer, Jack Easton 1987-3-10 412 Riverside Anza Area, hills S of Thomas Mtn., ca. 3 miles E of town of Anza on N side of Hwy 371, Butterfly Peak Quad. 1341 Comment
  UC848091  Quercus kelloggii Carl Epling 1931-10-4 Riverside Strawberry Valley San Jacinto Mts. Comment
  UCSB1186  Quercus kelloggii Neely, William 1948-10-3 Riverside Fern Valley, Idyllwild, San Jacinto Comment
  RSA741573  Quercus palmeri Scott D. White, Justin M. Wood 2008-6-17 12166 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR111532  Quercus palmeri A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22278 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 2.7 mi. NW of Hwy 371 junction, 0.8 mi. NW of Devil's Ladder Rd. 1402 Comment
  POM49856  Quercus wislizeni var. frutescens P. A. Munz, I. M. Johnston 1924-7-29 8872 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  UC1135898  Quercus wislizeni var. frutescens R. St. John 1929-4-27 21 Riverside canyon w Old Nicholas Canyon; Santa Rosa Mts., Indio Quad. 1615 Comment
  RSA586931  Rafinesquia californica D. L. Banks, Peter Morrell 1995-5-4 0297 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. 548 Comment
  SBBG128811  Ranunculus muricatus O. F. Clarke 2010-4-16 Riverside O.F.Clarke residence, 266 Frost Court, Riverside, E edge of UCR campus 351 Comment
  SDSU12880  Raphanus sativus J. Jill Steinberg, Leon Steinberg 1998-4-5 38 Riverside Ca. 1/4 mile along northern border of Santa Margarita (SDSU) Field Station north of gorge. Specimen was taken from a large patch of plants most of which were tamped down, perhaps by a deer or other large animal. 317 Comment
  UCR264076  Rhamnus californica S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1078 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  OBI53609  Rhamnus crocea Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck trl 381 Comment
  OBI42534  Rhamnus ilicifolia Robert F. Thorne 1985-5-18 60666 Riverside Santa Rosa Plateau 610 Comment
  RSA335025  Rhamnus ilicifolia Steve Boyd 1985-8-7 1111 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  UCR111234  Rhamnus ilicifolia Ward B. Holt 1941-10-23 1941- 19 Riverside Southern Mojave Desert, Road to Keys [View] Point, Joshua Tree National Monument Comment
  PASA1596  Rhododendron occidentale Sally Ellis 1939-6-24 Riverside Halona Comment
  RSA561082  Rhus integrifolia Steve Boyd, Orlando Mistretta 1992-4-22 7000 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA121771  Rhus ovata A. Lewis 1934-05 440 Riverside 1 mile E. of Ortega Hwy. 945 Comment
  RSA358576  Rhus ovata Larry E. DeBuhr 1972-2-25 508 Riverside Santa Rosa Mountains along forest road 7S02 to santa Rosa Pk. 1738 Comment
  UC1130537  Rhus ovata H. S. Yates 1937-3-24 6469 Riverside s of Pinyon Flat 975 Comment
  UCR163816  Rhus ovata John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  UCR241208  Rhus ovata Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 04 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  UCSB3764  Rhus ovata Ralph, F. 1959-5-17 Riverside On Pinon Flats Campground just off Hwy. 74 about 15.1 miles south of Palm Desert City Limits 1219 Comment
  CAS-BOT-BC92347  Ribes amarum James R. Shevock 1978-4-26 5905 Riverside Along the northeast side of Pleasants Peak. Santa Ana Mountains, Cleveland National Forest. 1188 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
  RSA612841  Ribes indecorum D. L. Banks 1997-3-1 1375 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA702742  Ribes indecorum Scott D. White, Michael Honer 2004-4-6 10044 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR142206  Ribes indecorum June Latting 1979-4-1 s.n. Riverside Box Springs Mountain 915 Comment
  RSA162822  Ribes speciosum J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in west Corona, after 3 miles turn W on Chase Dr, s on Oak flat fire road for 4 miles past Olive trees at Oak Flat, Santa Ana Mts. 823 Comment
  RSA628428  Robinia pseudoacacia A. C. Sanders, K. C. Rose 1999-6-18 22802 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave., 1/2 mile S of Rawson Rd. 439 Comment
  UCR217664  Romneya coulteri Ana Hernandez, Jeff B. Galvin 2010-5-6 020 Riverside Santa Ana Mountains, At the mouth of Rice Canyon on East Horsethief Trail next to riparian drainage 494 Comment
  UCR212974  Rorippa curvisiliqua Justin M. Wood, Brandy N. Wood 2009-7-4 1040 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  POM6369  Rosa californica Philip A. Munz, Street, Williams 1919-5-3 2634 Riverside Along stream at Rincon. Comment
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Jun 11 2012
  UCR195111  Rosa californica A. C. Sanders, Tim Thomas 2008-8-1 35943 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  SBBG3103  Rubus parviflorus M. Lewis 1947-8-26 10 Riverside Dark Cyn 1981 Comment
  UCR202029  Rumex Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  RSA783814  Rumex acetosella John Olmsted 1958-6-15 174 Riverside San Jacinto River drainage area. Idyllwild School of Music and Arts. In pasture near Strawberry Creek. 1524 Comment
  RSA0088438  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  POM13395  Rumex salicifolius E. C. Jaeger 1922-8-22 1019 Riverside Long Valley. 2530 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
  UCR137048  Rumex salicifolius A. C. Sanders 2004-5-5 27765 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR157941  Sagina apetala T. B. Salvato, A. C. Sanders 2005-5-17 923 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
  POM3991  Salazaria mexicana I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. 457 Comment
  CAS-BOT-BC129748  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-13 335 Riverside Andreas Canyon, E slope San Jacinto Mts. 304 Comment
  SJSU258  Salix exigua Mrs. H. P. Bracelin 1932-4-12 602 Riverside E side of bridge over Santa Ana R, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
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Mar 26 2011
  POM2034  Salix gooddingii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  POM319096  Salix gooddingii Patricia Wilder 1971-11-11 5295 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  POM361017  Salix gooddingii G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  UCR216445  Salix gooddingii Nolan M. Ung 2008-5-20 028 Riverside San Bernardino Valley Region, western Riverside near Pedley, Santa Ana River on the west side of Van Buren Blvd. bridge, north bank of the river 208 Comment
  LA208734  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-19 7679 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  SD80103  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1971-4-24 392 Riverside Deep Canyon, north slope Santa Rosa Mountains, along water service road 1317 Comment
  UC914199  Salix laevigata Charles B. Fiker 1946-4 3358 Riverside road dip s. of Temecula bridge (Hwy. 395) Comment
  UCR92663  Salix laevigata Scott D. White, Shelton Dowthit, et al. 1996-3-31 3849 Riverside Lake Skinner area, Riverside Land Conservancy conservation easement site, c. 0.5 air mi south of the reservoir, near East Benton Road 534 Comment
  RSA0010975  Salix lasiolepis J. D. Olmsted 1959-7-16 764 Riverside At edge of dropoff in Tahquitz Canyon below Carumba east-northeast of Idyllwild 1707 Comment
  UCR160884  Salix lucida subsp. lasiandra T. B. Salvato, Kelly Volansky 2004-11-17 113 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  CAS-BOT-BC126316  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  SD122377  Salsola paulsenii Duffie Clemons, Erik Jonsson 1988-2-13 1939 Riverside Alongside Washington Street, 3.0 miles north of I-10 southwest of Indio Hills, Coachella Valley. Comment
  POM319717  Salsola tragus Patricia Wilder 1971-9-29 5259 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  RSA0112097  Salsola tragus Duncan S. Bell 2009-8-15 428 Riverside Northeast side of the Arica Mountains, where the railroad tracks cross Midland Road. 251 Comment
  RSA618409  Salvia apiana D. L. Banks 1997-5-5 1967 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR115922  Salvia apiana Mitch Provance 1998-4-24 1115 Riverside Riverside, c. 1 mile SW of the corner of Trafalgar Ave. and Alessandro Blvd. 366 Comment
  UCR252524  Salvia apiana J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  UCR167304  Salvia apiana var. compacta Scott D. White, Jennifer H. Jones 2005-5-24 11094 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  RSA411353  Salvia carduacea Ora M. Clark 1929-4-7 2034 Riverside South of Aguanga Comment
  POM10197  Salvia columbariae P. A. Munz 1921-4-30 4501 Riverside Pinyon Wells 1220 Comment
  RSA0117835  Salvia columbariae Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7806 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1235 Comment
  SEINET2066014 Image available Salvia columbariae Noel H. Holmgren, Apatricia K. Holmgren, Ruth E. Kern 1973-3-23 6486 Riverside At the S entrance to Joshua Tree National Monument, near Interstate 10, 24 miles E of Indio. 548 Comment
  UC25691  Salvia columbariae H. M. Hall May 1899 1139 Riverside Kenworthy; San Jacinto Mountains 1371 Comment
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Mar 25 2011
  UCR265829  Salvia columbariae Mitch Provance 2012-5-24 512- 11 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  SEINET10499060  Salvia columbariae David B. Dunn 1948-3-14 Dunn 3780 Riverside Chia sage. Flat open sands near hidden springs ranch. 3 Mi s of the indio hills. Colorado hills. Comment
  UC64240  Salvia eremostachya H. M. Hall 1902-4-12 2856 Riverside Coyote Canyon Colorado Desert (w borders of the Colorado Desert) 914 Comment
  RSA552756  Salvia mellifera Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6742 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  RSA660228  Sambucus mexicana Sandy Gray 1981-5-15 17 Riverside Hwy 60 N. Beaumont Bogart State park. 792 Comment
  UC28631  Sambucus mexicana H. M. Hall 1901-6 2517 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  UCR14547  Samolus parviflorus O. F. Clarke, Jeanine Derby 1974-8-8 s.n. Riverside Peninsular Range, SW of Temecula in Walker Basin, Rancho California Property 427 Comment
  SD152964  Sanicula tuberosa Steve Boyd 1992-4-15 6863 Riverside Sant Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek. 334 Comment
  POM306143  Sarcodes sanguinea Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1334 Riverside Santa Rosa Mountains. Comment
  UCR1613  Sarcostemma cynanchoides R. G. Barber 1962-5-8 78 Riverside Sycamore Canyon 306 Comment
  UCR33583  Sarcostemma cynanchoides Faulkner 1978-4-27 506 Riverside Eastern Colorado Desert, 22 mi NW of Blythe, north and west of Midland 306 Comment
  UC729692  Sarcostemma cynanchoides subsp. hartwegii Carl B. Wolf 1932-4-29 3102 Riverside 20 mi. from Blythe (on Rice Rd.); e. Colorado Desert, w. edge Maria Mts. 152 Comment
  UCR89695  Sarcostemma hirtellum J. M. Stewart 1990-10-28 666 Riverside Sonoran/Colorado Desert, canyon on south side of Orocopia Mtns. Comment
  UCR214554  Schismus arabicus A. C. Sanders 2010-3-15 37404 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA469302  Schismus barbatus Christopher Davidson 1973-4-1 1811 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA776379  Schismus barbatus Amber Swanson 2011-4-8 376 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA651615  Schismus barbatus Marion P. Harthill 1971-3-19 27 Riverside Palm Desert. Comment
  SEINET6243926  Schismus barbatus L. C. Higgins 1974-1 8487 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  UCR195097  Scirpus microcarpus A. C. Sanders, Tim Thomas 2008-8-1 35951 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCR35232  Scrophularia californica L. B. Ziegler 1964-8-25 22 Riverside San Jacinto Mtns, Garner (Hemet) Valley near Kenworthy 1433 Comment
  UCR123877  Scrophularia californica subsp. floribunda Steven R. Hill 2001-5-3 33660 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  LA30222  Scutellaria mexicana Harlan Lewis; 1957-4-3 sn Riverside Morongo Canyon Comment
  UCR95960  Scutellaria siphocampyloides Scott D. White 1996-8-1 4414 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  IRVC3584  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-5-29 SJ 57 Riverside Mountain Center to Hemet. San Jacinto Mountains 640 Comment
  UC306709  Selaginella bigelovii S. B. Parish 1918-4-3 11695 Riverside mouth of San Jacinto Canyon (Oak Lodge) 914 Comment
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Nov 20 2011
  CAS-BOT-BC62090  Selaginella eremophila Milo S. Baker 1928-4-3 3296 a Riverside Palm Canyon Comment
  LA209672  Selaginella eremophila Lawrence L. Kiefer; 1963-3-24 485 Riverside San Jacinto Mountains, Andreas Canyon, vicinity of Palm Springs, 304 Comment
  RSA641073  Selaginella eremophila Louis Cutter Wheeler 1964-10-17 8639 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
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Sep 3 2013
  SBBG118800  Selaginella eremophila L. C. Wheeler 1964-10-17 8639 Riverside Orocopia Mtns, S of Hayfield Reservoir Comment
  SD144485  Senecio californicus var. californicus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19878 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn.along the road. 518 Comment
  SD8780  Senecio californicus var. californicus unknown 1882-4-23 Riverside Temecula Comment
  CAS-BOT-BC323965  Senecio flaccidus var. douglasii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CDA26838  Senecio flaccidus var. douglasii Mike Lahti 2008-10-27 PDR# 1509242 Riverside Temecula, found in field near Los Caballos and Pauba Rd. 0 Comment
  JEPS16686  Senecio flaccidus var. monoensis Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4045 Riverside 3 mi n Shavers Summit in Joshua Tree National Monument (close to head of Lost Palms Canyon); Lost Palms Canyon 762 Comment
  JEPS4751  Senecio flaccidus var. monoensis Roxana S. Ferris and R. Bacigalupi 1953-4-20 12634 Riverside 4.0 mi n Shaver Summit (road to Lost Palms Canyon) Comment
  RSA444579  Senecio mohavensis B. Roy 1988-2-21 2- 21 -88 Riverside Cahuilla County Park, near Indio down 58th Street from intersection with Monroe St. On granite outcrop due S of park headquarters and just outside its boundaries. 15 Comment
  RSA709853  Senecio mohavensis Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4633 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  SD144014  Senecio vulgaris A. C. Sanders 1997-3-1 19703 Riverside Box Springs Mtns.: Coyote Hil (Bench Mark Versity, 1386 ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCR24163  Senecio vulgaris John C. Roos 1967-2-7 s.n. Riverside San Jacinto Valley, City of Hemet 518 Comment
  RSA552718  Senecio vulgaris Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6687 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  SD229165  Senegalia greggii Dick Schwenkmeyer 2012-11-6 863 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  CDA15715  Senna armata G. F. Hrusa, J. A. Hart 1993-4-4 10594 Riverside S of 29 Palms. Comment
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May 15 2009
  JEPS64750  Senna armata H. M. Hall Apr. 1905 5843 Riverside Canyon Spring Colorado Desert, Canyon Spring Comment
  CDA27826  Senna covesii M. K. Bellue Oct 1931 Riverside Coachella Canyon. 0 Comment
  CAS-BOT-BC438202  Sesuvium verrucosum P. A. Munz; I. M. Johnston 1918-4-27 2165 Riverside Lake Elsinore Comment