Search Results — 2000 specimen records retrieved (1883 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
  JEPS61238  Abronia villosa Mary Beal 1939-10-25 707 Riverside Between Coachella Palm Springs; Mojave Desert Comment
  RSA553905  Abronia villosa Scott D. White 1992-9-11 788 Riverside Vicinity of Gilman Hot Springs, N side of San Jacinto River, and a thin strip trending N of the river and W of the Hot Springs 451 Comment
  SD122379  Abronia villosa Duffie Clemons, Erikl Jonsson 1988-2-13 1935 Riverside Ca. 3 miles north of I-10 along Washington St. southwest of Indio Hills. Coachella Valley. Comment
  SFV1119  Abronia villosa P. G. Kilburn 1959-5-16 797 Riverside Colorado Desert Agua Caliente Indian Reservation land some 5 miles south of Palm Springs at fork in road where Andreas Road meets Palm Canyon Road. 175 Comment
  UC665887  Abronia villosa Ira L. Wiggins 1941-3-24 9568 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
Read comments
Jun 5 2011
  RSA575827  Abronia villosa var. aurita Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain. 317 Comment
  SEINET269463  Abronia villosa var. aurita Scott D. White, Steve Ogg 1994-10-17 2488 Riverside Temecula Murrieta Creek channel directly W of Cherry Street. 315 Comment
  UCR3430  Abronia villosa var. aurita Heidi A. Haid 1964-5-10 64510- 01 Riverside San Jacinto Valley, east of San Jacinto, Los Banos and Main Streets 549 Comment
  RSA0009281  Abronia villosa var. aurita D. L. Banks, Lauren Raz 1996-11-5 1183 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  RSA0025968  Abronia villosa var. aurita R. E. Riefner Jr., K. Campbell 2007-5-19 7 -210 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 miles W of I-15 Fwy. and 1.0 mile W of Murrieta Creek. 298 Comment
  RSA461200  Abronia villosa var. villosa H. de Forest, Dr. Freda Detmers 1933-3-24 17154 Riverside Between Beaumont and Banning, roadside just beyond San Gorgonio Pass Comment
Read comments
Mar 9 2011
  UCR33820  Abutilon theophrasti A. Kishaba 1983-10-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, SW of Indio near Lake Cahuilla, melon field at intersection of Jefferson St. and Airport (Ave 56) Blvd. 0 Comment
  UCR260838  Acamptopappus sphaerocephalus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41515 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  UCR178159  Achillea millefolium John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  CHSC35845  Achnatherum coronatum Paul Bailey 1972-5-14 124 Riverside 5 miles NE of Temecula near Rancho Calif. Drive, Tucalota Hills. 457 Comment
  RSA673498  Achnatherum coronatum Scott D. White, Sandy Leatherman 2000-4-19 7664 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  UC39963  Achnatherum occidentale subsp. pubescens H. M. Hall July, 1901 2537 Riverside n side, San Jacinto Mts. San Jacinto Mts. 1524 Comment
  RSA741606  Achnatherum parishii subsp. parishii Scott D. White, Justin M. Wood 2008-6-16 12132 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  UC822042  Achnatherum speciosum C. L. Hitchcock 1940-4-12 6064 Riverside 8 mi nw Elsinore 457 Comment
  CAS-BOT-BC384728  Achyronychia cooperi John H. Thomas 1957-3-30 6556 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  RSA423485  Achyronychia cooperi F. R. Fosberg 1932-3-13 8076 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA423488  Achyronychia cooperi P. A. Munz 1932-3-14 11999 Riverside Palm Springs. 91 Comment
  SD8105  Achyronychia cooperi S. B. Parish, W. F. Parish Apr 1882 Riverside Agua Caliente, Palm CaA'on of San Jacinto Mountain. Comment
Read comments
Jul 16 2010
  UCR268300  Acmispon heermannii var. heermannii Jim Andre 2012-6-15 30522 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  SD181710  Acroptilon repens Scott D. White 2000-5-5 7770 Riverside Murrieta: Vacant lot on north corner at intersection of Jefferson Ave. and Murrieta Hot Springs Road. 323 Comment
  JEPS30394  Adenophyllum cooperi Peter H. Raven and David Verity 1960-6-5 15499 Riverside Queen Valley; Joshua Tree Natl. Monument, Queen Valley Comment
  JOTR16557  Adenophyllum cooperi Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. QUEEN VALLEY; NORTH SIDE MONUMENT ROAD 1341 Comment
  RSA390501  Adenostoma fasciculatum var. fasciculatum M. M. Thompson 1947-6-9 C 2078 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SDSU13934  Adenostoma fasciculatum var. obtusifolium Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2152 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  CAS-BOT-BC140301  Adenostoma sparsifolium Louis C. Wheeler 1931-10-4 175 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  RSA85062  Adenostoma sparsifolium F. W. Peirson 1907-04 693 Riverside road below Strawberry valley. Comment
  UCSB2738  Adenostoma sparsifolium Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts, 1524 Comment
  CAS-BOT-BC69645  Adiantum capillus-veneris Louis C. Wheeler 1933-12-1 2295 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 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
  SD82401  Adiantum capillus-veneris Albert C. Copeland Unknown 2637 Riverside Temecula CaA'on Comment
  RSA543836  Adiantum jordanii Steve Boyd, Orlando Mistretta 1991-5-22 6289 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA711993  Agave A. C. Sanders 1984-8-6 5166 Riverside UCR Botanical Garden. 335 Comment
  UCR178143  Agoseris retrorsa T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 134 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR24953  Agrostis exarata A. C. Sanders 1980-7-18 1668 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UC36941  Agrostis idahoensis H. M. Hall 1897-8-10 784 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 2651 Comment
  SEINET14046487  Agrostis pallens S. D. White, M. Honer, D. Hannon 2003-6-24 9596 Riverside Near Rainbow Valley; mountains W of I-15 freeway and immediately N of San Diego Co. border. 335 Comment
  UCR201703  Agrostis viridis Scott D. White, Justin M. Wood 2008-6-19 12277 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR171983  Alchemilla occidentalis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  OBI39187  Alhagi pseudalhagi Dell O. Clark 1969-7-2 s.n. Riverside 2 mi W of Mecca, Coachella Valley Comment
  RSA469422  Aliciella latifolia M. B. Dunkle 1933-3-4 3055 Riverside Painted Canyon, Colorado Desert. 30 Comment
  CAS-BOT-BC434481  Allionia incarnata Carl B. Wolf 1932-4-28 3073 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. West of Blythe on the Mecca Road. 121 Comment
  CAS-BOT-BC131983  Allium haematochiton Marcus E. Jones 1931-3-2 28594 Riverside Corona Comment
  SD247543  Allium haematochiton J. Mark Porter, Lauen E. Machen 1997-2-15 11421 Riverside North of Interstate 15 at the Lake Street / Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  UC1544764  Allium munzii Steve Boyd 1986-4-10 1641 Riverside De Palma Rd.1.0 mi e Indian Truck Trail exit of I-15; Temescal Canyon 371 Comment
  JOTR00978  Allium parishii Cole, James E. 1941-5-29 822 Riverside Joshua Tree National Park. END OF STUBBY SPRINGS ROAD 1432 Comment
  RSA495447  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2975 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR104085  Allophyllum divaricatum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20633 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  RSA559342  Allophyllum glutinosum Steve Boyd, T. S. Ross 1992-5-15 7400 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  RSA95616  Allophyllum glutinosum Verne Grant 1955-5-17 20834 Riverside On crest of Santa Ana Mts near Hwy 74. 811 Comment
  UCR23285  Althaea rosea C. Filmer 1981-5-14 81- 19 Riverside c. 20 m west of Rustin Avenue between Minerva Court and Massachusetts Avenue, City of Riverside. 305 Comment
  UCR167796  Amaranthus albus T. B. Salvato, Melissa Clemons 2005-6-23 1319 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  RSA335002  Amaranthus blitoides Steve Boyd 1985-7-30 1046 Riverside De Luz Rd. 7.8 mi west of Rancho California. Comment
  UCR125287  Amaranthus blitoides A. C. Sanders 2002-11-21 25638 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA0020466  Amaranthus fimbriatus Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6032 Riverside Chuckwalla Mountains; about 0.25 air mile southeast of Corn Spring. 480 Comment
  SEINET12764903  Amaranthus fimbriatus B. G. Pitzer 2000-11-4 4238 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, ca 3.5 mi wsw of Desert Center (Desert Center 7.5'Q).; 0 402 Comment
  RSA0018885  Amaranthus palmeri Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6020 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  UCR18739  Amaranthus powellii John C. Roos 1965-9-28 s.n. Riverside San Jacinto Valley, Hemet Comment
  CLARK-A1528-5235  Amaranthus retroflexus John C. Roos 1937-8-17 2406 Riverside San Jacinto Comment
  SD124208  Ambrosia acanthicarpa Barry A. Prigge 1980-9-16 4049 Riverside Coachella Valley stormwater channel: west of Munroe St., Indio. Comment
  CAS-BOT-BC22580  Ambrosia dumosa Marcus E. Jones 1929-9-16 25074 Riverside E of Desert Center Comment
  NY43445  Ambrosia dumosa C. R. Annable 1995-3-10 2261 Riverside 1.6km S of Lake Cahuilla County Park Comment
  RSA23238  Ambrosia dumosa Ernest Braunton 1940-03 2043 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA608585  Ambrosia dumosa R. S. Woglum 1939-4-11 2207 Riverside Sonora Desert: Desert Center. Comment
  RSA668359  Ambrosia dumosa Carol R. Annable 1995-3-10 2261 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  RSA766609  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 172 Riverside Mecca Hills Wilderness. Off Box Cannyon Rd (66th st) (Hwy 195). Campground E of Mecca. 198 Comment
  SEINET3133458  Ambrosia dumosa S. B. Parish 1907-4-23 6092 Riverside W border of the Colorado desert; S CA 150 Comment
  UC218034  Ambrosia dumosa P. A. Munz, D. Keck 1922-4-13 4934 Riverside slope of Aushurtz Canyon; Colorado Desert, Eagle Mts. 274 Comment
  UC724342  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-30 3340 Riverside near, on Hwy 60; Desert Center Comment
  UC111300  Ambrosia ilicifolia E. E. Schellenger c. 1912 4 Riverside Santa Maria Mts.; Colorado Desert Comment
  HSC80290  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 Riverside Santa Rosa Plateau Region, NW base of Redona Mesa on Tenaja Rd., 0.8 mi.. east of junction with 8S01 and 8S02 Comment
  RSA180511  Ambrosia psilostachya E. W. Lathrop 1960-6-6 4832 Riverside 14 miles W. of Murrieta. Comment
  CAS-BOT-BC272855  Ambrosia salsola A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37434 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  CAS-BOT-BC273005  Ambrosia salsola J. M. No date on label 0018 Riverside HTGR Site, Vidal Junction Comment
  SEINET2052883 Image available Ambrosia salsola George K. Helmkamp, E. A. Helmkamp 1998-2-18 2744 Riverside Chuckwalla Mts., raham Pass Rd. 10.6 mi. SSW of Chuckwalla Valley Rd. 487 Comment
  RSA680518  Amelanchier pallida Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8635 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  JOTR33855  Amelanchier utahensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2715 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  POM12891  Amorpha californica P. A. Munz 1922-6-30 5924 Riverside Santa Rosa Mountains. 1982 Comment
  RSA500571  Amorpha fruticosa Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3580 Riverside Vail lake area, sedimentary hills at NW end of lake at E end of Oak Mtn, N of Wilson Creek. 488 Comment
  UCR94248  Amorpha fruticosa Scott D. White 1996-4-14 3924 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
  RSA0089608  Amsinckia intermedia D. L. Banks, S. D. Boyd 1995-5-3 242 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. 512 Comment
  UCR138889  Amsinckia intermedia D. L. Banks 1997-4-5 1684 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  UCR4153  Amsinckia intermedia R. H. Sauer 1965-2-28 s.n. Riverside Box Springs Mtns 366 Comment
  UCR97027  Amsinckia intermedia Scott D. White 1997-2-28 4707 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  JOTR31852  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2110 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UCR213397  Amsinckia tessellata var. tessellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37464 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  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
  UC218068  Amsonia tomentosa P. A. Munz and I. M. Johnston 1922-5-7 5253 Riverside Little San Bernardino Mts., Keyes Ranch 1066 Comment
  UCSB54190  Amsonia tomentosa McKinley, Gale 1985-3-26 Riverside 100 yards east of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  CLARK-A1528-775  Anagallis arvensis Leland R. Dykes 1962-5-1 54 Riverside Santa Ana Mountains Comment
  UCR174344  Anagallis arvensis A. C. Sanders 2006-5-19 32399 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
  RSA613146  Anagallis arvensis D. L. Banks 1997-3-29 1654 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 463 Comment
  UCR23921  Andropogon glomeratus John C. Roos 1938-12-29 322 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon Comment
  SEINET7594989 Image available Andropogon glomeratus Mary F. Spencer 1921-1 1693 Riverside San Jacinto, Near San Jacinto Comment
  CAS-BOT-BC499167  Anemopsis californica Mitch Provance 2011-6-6 17008 Riverside Badlands: San Timoteo Canyon, El Casco area, N of San Timoteo Canyon Rd and E of Woodhouse Rd 626 Comment
  RSA700939  Anemopsis californica Michael Wall 2000-7-16 144 Riverside San Jacinto Valley: South side of Ramona Expressway, 0.5mi. E of Sanderson Ave. in swale along agricultural field fence. 457 Comment
  JOTR31993  Anisocoma acaulis La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2223 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  RSA416654  Anisocoma acaulis M. B. Dunkle 1937-3-25 4957 Riverside Dry Morongo. Comment
  UC130485  Antennaria rosea Mrs. C. M. Wilder 1909-7-13 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley Comment
  RSA0018999  Antennaria rosea subsp. confinis Steve Boyd, Gary D. Wallace 2005-7-30 11641 -A Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  SEINET9323908  Antheropeas lanosum Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  POM19565  Antirrhinum coulterianum Mary F. Spencer 1923-9-8 2185 Riverside Idyllwild 2134 Comment
  RSA354842  Antirrhinum coulterianum N. C. Cooper 1944-5-21 2011 Riverside San Jacinto Mountains, West side 915 Comment
  UCR213527  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38368 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
  UCR81110  Antirrhinum coulterianum Scott D. White 1993-5-29 1455 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  UCR183015  Antirrhinum nuttallianum Mitch Provance 2003-5-5 4420 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR98688  Antirrhinum nuttallianum S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA586500  Apiastrum angustifolium D. L. Banks, S. D. Boyd 1995-5-9 331 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA711034  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak. 622 Comment
  SBBG95109  Apocynum cannabinum S. D. White 1990-7-22 Riverside E Millard Cyn trail, ca 0.25 mi SW of jct with trail to Kitching Pk Comment
  UCR140728  Apocynum cannabinum A. C. Sanders 2004-5-12 27883 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  POM366957  Aquilegia formosa Robert L. Rutherford 1945-6-17 1673 Riverside Burned Canyon, Banning. 1220 Comment
  RSA0126160  Arabis glabra Mary F. Spencer 1923-6-24 2182 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA0125500  Arabis holboellii Scott D. White, Justin M. Wood 2009-5-21 12873 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  RSA233320  Arabis johnstonii L. B. Ziegler 1968-4-16 s.n. Riverside Hemet Valley, lower edge of Yellow Pine Belt 1372 Comment
  RSA676286  Araujia sericifera Scott D. White 2001-6-22 8601 Riverside Corona: Bajada below the Santa Ana Mts., near the jtn. of Cleveland Way and Fullerton Av., about 2 road mi S of the jtn. Fullerton Av. and Ontario Av. 381 Comment
  RSA629172  Arctostaphylos Jon E. Keeley 1992-7-17 16791 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629469  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16839 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  RSA629359  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15544 Riverside Rd to Elsinore Pk., 1 km S of Elsinore Pk. Santa Ana Mtns. 950 Comment
  RSA0063794  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-5-25 s.n. Riverside Modjeska Springs, Santa Ana Mts. Comment
  UC21900  Arctostaphylos glandulosa subsp. zacaensis H. M. Hall 1901-6-11 2054 Riverside vicinity of Chalk Hill San Jacinto Mountains 1584 Comment
  JEPS2738 Image available Arctostaphylos glauca W. L. Jepson 1914-5-18 6004 Riverside Pinon Well grade Colorado Desert, Pinon Well Mts.; Pinon Well grade, Pinon Well Mts., Colorado Desert Comment
  RSA631769  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15064 Riverside Crosley Road, above Temecula Creek, 1 km south of Highway 79. 550 Comment
  UCR167779  Arctostaphylos glauca Richard Minnich 2002-10-28 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns; SE of VABM Inspiration; near the second peak (c. 0.4 mi) NW of Salton View (Keys View) Parking Lot 1677 Comment
  POM367325  Arctostaphylos glauca var. glauca E. Crow 1929-4-7 322 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA633569  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16673 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633629  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22659 Riverside Road to Santa Rosa Mountain. 2000 Comment
  POM367421  Arctostaphylos pringlei subsp. drupacea R. S. Woglum 1937-5-22 545 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  POM367427  Arctostaphylos pringlei subsp. drupacea E. C. Jaeger 1921-6-19 s.n. Riverside Ridge trail to Tahquitz Valley, San Jacinto Mts. 1890 Comment
  RSA70867  Arctostaphylos pringlei subsp. drupacea F. W. Peirson 1921-3-21 2386 Riverside Gordon Trail from Andreas Canyon, east base of San Jacinto Mts. 1829 Comment
  SBBG118569  Arctostaphylos pringlei subsp. drupacea L. Gross, F. Navidara, V. Soza 2003-6-23 1120 Riverside Black Mtn Rd (4501), SE of Black Mtn and NW of Fuller Mill Crk; T4S R2E S14 2012 Comment
  LA42246  Arctostaphylos pungens W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  UCR193568  Arctostaphylos pungens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35612 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  UCR3219  Arctostaphylos pungens V. L. McFarland 1964-5-3 s.n. Riverside San Jacinto Mtns., by the side of Lake Fulmor, south of Banning [on Hwy 243] 'el. 7000 ft. 1646 Comment
  RSA192300  Arctostaphylos rainbowensis H. A. Zuill 1966-6-5 203 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Oct 23 2013
  RSA636006  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19553 Riverside Carancho Rd., W. of Temecula. 440 Comment
  UCR193121  Arenaria douglasii A. C. Sanders, Tim Thomas 2008-6-20 35556 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR109555  Argemone munita R. D. Goeden, Don W. Ricker 1981-3-11 s.n. Riverside Sonoran (Colorado) Desert, Bradshaw Trail along Salt Creek, east of Salton Sea, c. 3 mi. east of Coachella Canal 152 Comment
  RSA686636  Argyrochosma jonesii Anstruther Davidson 1893-4-10 114 Riverside Palm Springs. Comment
  CAS-BOT-BC207124  Argythamnia lanceolata Theodore Labouchere 1915-4-1 204 Riverside Borders of the Colorado Desert along the easterly base of San Jacinto Mountain, not far from Palm Springs. Comment
  CAS-BOT-BC207127  Argythamnia lanceolata S. B. Parish 189 (year not completed on sheet) 4141 Riverside Palm Springs, Colorado Desert Comment
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Sep 11 2019
  UCR19683  Aristida californica John C. Roos 1946-9-14 3007 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  UCR248085  Aristida californica Duncan S. Bell 2012-9-13 4181 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  CLARK-A1528-4484  Aristida purpurea John C. Roos 1965-6-23 Riverside Eagle Mountain Comment
  UC573785  Aristida purpurea H. S. Yates 1937-6-27 6711 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle Comment
  UCD56515  Aristida purpurea P. B. Kennedy 1921-10-28 s.n. Riverside Mt. Rubidoux. Comment
  UCR157594  Aristida purpurea A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16181 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  UCSB45623  Aristida purpurea Roos, John; Roos, Lucille 1950-10-21 Riverside Wonderland of Rocks, Little San Bernardino Mtns 1219 Comment
  RSA26993  Aristida purpurea var. nealleyi C. L. Hitchcock 1940-3-30 5871 Riverside Cottonwood Spring. Comment
  UCD56552  Aristida purpurea var. nealleyi F. M. Reed 1920-5-9 4316 Riverside Colorado Desert, mouth of Andreas Canon. 304 Comment
  RSA97133  Aristida purpurea var. nealleyi H. K. Buechner 1955-6-1 C- 102 Riverside 4.5 miles south of Palm Desert, Coachella Valley 854 Comment
  RSA703407  Aristida purpurea var. parishii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1460 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33?37'32N, 115?19'35W: UTM 3721895N, 655238E to 33?36'52N, 115?19'54: UTM 3720669N, 654757E. 480 Comment
  UCR2163  Aristida purpurea var. parishii F. M. Reed 1927-3-19 5440 Riverside Sonoran (Colorado) Desert, upper fork of Salt Creek Wash [east of the Salton Sea] 549 Comment
  JOTR30829  Aristida purpurea var. wrightii La Doux, Tasha, Jim Andre 2008-9-16 345 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  RSA725813  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside, 4291 Alta Vista Dr. 259 Comment
  RSA772577  Artemisia californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5050 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
  SDSU12943  Artemisia californica Jutta Buschbom 1991-5-1 12 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SEINET3145759  Artemisia dracunculoides G. F. Reinhardt sn Riverside San Jacinto Valley Comment
  JOTR32638  Artemisia dracunculus La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2560 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  JOTR32635  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  POM6098  Artemisia ludoviciana subsp. albula I. M. Johnston 1918-4-3 1847 Riverside San Jacinto Canyon. (Oak Cliff). 686 Comment
  RSA189420  Artemisia ludoviciana subsp. albula L. S. Rose 1966-12-14 66106 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  CAS-BOT-BC90768  Artemisia ludoviciana subsp. ludoviciana F. A. M. 1936-3-20 14543 Riverside Desert Hills, Morongo Valley Comment
  RSA772063  Arundo donax Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4469 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 W116.64308 487 Comment
  HSC25817  Asclepias albicans R. W. Spjut 1972-3-20 2287 Riverside Colorado Desert, N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center. 305 Comment
  SEINET12532072 Image available Asclepias albicans T. C. Aramqula 1966-1 122 Riverside Base of Santo Rosa mountains on Palms to Pines HWY, 5 mi. South of Palm Desert Comment
  RSA0104759  Asclepias californica Scott D. White, Justin M. Wood 2009-5-22 12894 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR174621  Asclepias californica Jennifer H. Jones 2006-6-6 390 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  POM15024  Asclepias eriocarpa Mary F. Spencer 1922-7-3 1180 Riverside Fern Valley Prope [near] Idyllwild, San Jacinto Mt. 1829 Comment
  SEINET3081707 Image available Asclepias erosa E. R. Blakley 1961-9-12 4706 Riverside 20 miles west of Blythe at Desert wash crossing of US Highway 60-70. 107 Comment
  UC22976  Asclepias erosa H. M. Hall 1897-7-30 759 Riverside near base e side San Jacinto Mts. 1524 Comment
  UCR51475  Asclepias erosa S. J. Myers 1987-8-6 s.n. Riverside Aguanga, c. 1/2 mi. west of Hwy 371 at intersection of El Pasta and El Reposo Rd. 642 Comment
  RSA388392  Asclepias fascicularis R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61206 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
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Jun 30 2018
  RSA401112  Asclepias subulata Anstruther Davidson 1921-10-1 s.n. Riverside Palm Springs. Comment
  SEINET10779850  Asclepias subulata F. A. Thackery 1928-5-10 Thackery 134 Riverside Rincon 314 Comment
  LA202859  Asplenium vespertinum Lawrence L. Kiefer; 1963-9-22 960 Riverside Magee Hills, Tucalota Creek W of Sage, Indian Camp Grounds, steep rocky slope ca. 0.5 mi. NE of picnic area; 761 Comment
  RSA0011741  Asplenium vespertinum F. W. Peirson 1922-4-28 2919 Riverside Leach Canyon, near Elsinore. 609 Comment
  POM12824  Aster alpigenus Philip A. Munz 1922-9-5 6364 Riverside Meadow north of Tahquitz Valley 2226 Comment
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Aug 28 2010
  UCR119439  Aster ascendens A. C. Sanders, Mitch Provance 1999-9-26 23103 Riverside San Jacinto Mountains, Garner Valley, along Hwy 74 east of the upper end of Hemet Lake, SE of Lake Hemet store 1326 Comment
  CAS-BOT-BC423305  Asteraceae L. Nye; G. Gust 2005-3-11 68 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  CAS-BOT-BC478064  Asteraceae A. J. McC 1892-5-1 s.n. Riverside Lake Elsinore Comment
  SD134669  Astragalus aridus Craig Reiser 1993-3-16 Riverside Coachella Valley near Thousand Palms, not far from Washington Street interchange on Highway 10 Comment
  UCSB3511  Astragalus bernardinus Krogen, Roger 1957-1 Riverside Along Hwy. 195, 8 mi. W of junction of Hwys 60-70 and 195 Comment
  CAS-BOT-BC177731  Astragalus crotalariae Marcus E. Jones 1906-4-20 s.n. Riverside Borrego Spring 1066 Comment
  LA204887  Astragalus crotalariae Carl Epling; March 1927 sn Riverside Whitewater Pass near Palm Springs Comment
  POM263028  Astragalus didymocarpus J. C. Roos 1937-5-23 695 Riverside La Sierra. Comment
  CAS-BOT-BC182590  Astragalus didymocarpus var. dispermus P. A. Munz 1922-4-29 5096 Riverside Dripping Spring, near Temecula Creek 518 Comment
  RSA415493  Astragalus douglasii Christopher Davidson 1978-6-15 7394 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  UC73262  Astragalus douglasii var. douglasii Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA498263  Astragalus douglasii var. parishii H. de Forest, Jack Rempel 1933-6-25 18032 Riverside Along road from Banning. Comment
  UC14752  Astragalus douglasii var. parishii H. M. Hall June, 1901 2123 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); eastern base San Jacinto Mountains, Colorado Desert Comment
  UCR104622  Astragalus douglasii var. parishii D. E. Bramlet 1990-6-20 2040 Riverside Arroyo Seco. Approximately 915 m south of Hwy 79 and 152 m south of the Dripping Springs Campground, 30 m east of the main wash. 494 Comment
  CLARK-A1528-2743  Astragalus gambelianus John C. Roos 1952-5-19 5689 Riverside Moreno 487 Comment
  CAS-BOT-BC186906  Astragalus insularis var. harwoodii J. C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center Comment
  UCR246555  Astragalus lentiginosus var. borreganus Duncan S. Bell 2009-4-18 212 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  CLARK-A1656-615  Astragalus lentiginosus var. coachellae Milton Walker 1978-1-27 Riverside Palm Springs 152 Comment
  POM1694  Astragalus lentiginosus var. coachellae I. M. Johnston 1917-4-4 1065 Riverside Whitewater. Comment
  LA85610  Astragalus lentiginosus var. fremontii Elizabeth McClintock; 1946-4-14 Riverside Pines to Palms Highway, 2 miles from foot of grade Comment
  RSA27928  Astragalus lentiginosus var. variabilis C. L. Hitchcock 1940-4-4 5958 Riverside Pinto Basin. Comment
  CAS-BOT-BC194131  Astragalus pomonensis Katherine Esau 1935-6-20 s.n. Riverside Beaumont Grade Comment
  UCR109561  Astragalus pomonensis R. D. Goeden, Don W. Ricker 1965-6-10 s.n. Riverside Temecula Valley, tributary of Temecula River, near Oak Mtn. 457 Comment
  CLARK-A1528-2761  Astragalus tricarinatus John C. Roos 1948-5-8 3826 Riverside Whitewater Comment
  UCR38117  Astragalus tricarinatus J. M. Stewart 1985-3-16 8507 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  JOTR31971  Atrichoseris platyphylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2208 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  SBBG99287  Atrichoseris platyphylla W. L. Halvorson 1977-5-2 77 -17 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UC665903  Atrichoseris platyphylla Ira L. Wiggins 1941-3-27 9681 Riverside 8 miles northeast of Desert Center (south end of Coxcomb Mountains); Coxcomb Mountains Comment
  RSA650426  Atriplex C. J. Humphrey, Herbert Humphrey 1935-6-7 394 Riverside 18 miles east of Riverside. 549 Comment
  UCR176901  Atriplex argentea Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Valley, intersection of Stetson Ave. and California Ave., NE of Winchester, WSW of Hemet 457 Comment
  RSA0106716  Atriplex canescens Duncan S. Bell, Amanda Turek 2010-1-30 529 Riverside About 4 air miles northwest of the Arica Mountains; along the California Aqueduct, to the south of Highway 62. 282 Comment
  UCR35147  Atriplex canescens L. B. Ziegler 1964-8-11 012 Riverside San Jacinto Mtns., Garner (Hemet) Valley growing alongside Hwy #74, 0.5 mi south of Hemet Lake 1341 Comment
  CAS-BOT-BC170230  Atriplex canescens subsp. linearis Carl B. Wolf 1932-10-13 4324 Riverside NE side of Salton Sea, at Durmid, NE side of S.P.R.R. tracks - Colorado Desert -60 Comment
  UC206814  Atriplex coronata G. R. Vasey 1880-1 549 Riverside San Jacinto Valley Comment
  CLARK-A1528-5401  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside San Jacinto River 426 Comment
  UCSB23597  Atriplex hymenelytra Shaw, Merrilee 1964-4-5 Riverside State Highway 195, 7.3 miles NE of junction with State Highway 111 at Mecca 106 Comment
  CLARK-A1528-2524  Atriplex lentiformis John C. Roos 1937-8-20 1224 Riverside Coachella Comment
  RSA1394  Atriplex lentiformis subsp. lentiformis B. D. Stark 1930-4-2 782 Riverside Indio, sea level 0 Comment
  UC1519870  Atriplex muelleri J. C. Roos 1965-10-17 Riverside on the roadside 20 mi w Blythe; w of Blythe Comment
  UCD97827  Atriplex serenana A. C. Sanders; K. C. Rose 1999-6-18 22830 Riverside Domenigoni Valley; upper Warm Springs Creek between Hwy 79 (Winchester Road) and Scott Road, Domenigoni Ranch, South of Winchester. 433 Comment
  RSA532583  Atriplex serenana var. davidsonii D. Bramlet 1991-6-1 2179 Riverside 3 km W of Nuevo and some 20 m E of the San Jacinto River; some 300 m S of the end of 11th Street, just E of an existing dirt road. 473 Comment
  UCD97686  Atriplex suberecta D. E. Bramlet 1989-7-3 1932 Riverside Perris-Aguanga Basin region; Diamond Valley, Searl Ranch, just off the ranch entrance road, 6.7 km S of Hemet; 2.7 km W of State Street, and 600 m N of Newport Road. 482 Comment
  UCR182322  Atriplex suberecta Mitch Provance 2003-4-18 6605 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  UCR89864  Atriplex suberecta D. E. Bramlet 1989-7-3 1932 Riverside Perris-Aguanga Basin, Diamond Valley, Searl Ranch, just off the ranch entrance road c. 6.7 km south of Hemet; c. 2.7 km west of State Street and 600m north of Newport Road. 482 Comment
  CLARK-A1528-4498  Avena sativa John C. Roos, Lucille Roos 1952-5-19 5685 Riverside San Timoteo Canyon 518 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
  SD247312  Baccharis brachyphylla Andy Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Road. 646 Comment
  LA203038  Baccharis emoryi W. Pequegnat; 1938-9-3 sn Riverside Santa Ana Mountains, Ortega Rd Comment
  RSA44349  Baccharis emoryi W. I. Follett 1948-10-31 s.n. Riverside 7.3 miles W & 7.4 miles S of Blythe Comment
  RSA655084  Baccharis emoryi Scott D. White 1999-11-12 7630 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  UC1922056  Baccharis glutinosa Scott D. White, Angelia Carey 2004-4-5 10017 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  JOTR31069  Baccharis salicifolia La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2051 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 6: upper portion of Smithwater Canyon, leading to Lower Covington Flats, wide sandy wash Comment
  RSA770681  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4758 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 W116.65120 604 Comment
  UCR138718  Baccharis salicifolia Julie A. Greene 1993-4-17 1221 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  UCR163590  Baccharis salicifolia O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA0031548  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  UCR167328  Baccharis sarothroides Scott D. White, J. Wood 2005-9-27 11231 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  CAS-BOT-BC334468  Baccharis sergiloides A. C. Sanders; T. B. Salvato; Ana Hernandez; Karyn Drennen; Angela Collada 2013-10-2 40954 Riverside Peninsular Range: Wilson Valley Preserve, 0.35 air mi S of Wilson Valley Rd and 0.8 mi E of Sage Rd., 1.4 mi E (93 deg. ) of Round Top Mountain 739 Comment
  RSA197275  Baccharis sergiloides L. B. Ziegler 1964-10-6 s.n. Riverside near Kenworthy, Garner Valley, S base of San Jacinto Mts Comment
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Mar 25 2011
  UC496518  Baccharis sergiloides P. A. Munz 1932-10-16 12843 Riverside along road to Deep Canyon to Vandeventer Flat Santa Rosa Mts. 1066 Comment
  UC893736  Baccharis sergiloides Carl B. Wolf 1932-10-11 4271 Riverside Morongo Wash, 3/10 mi below San Bernardino Co line Colorado Desert, Little San Bernardino Mts. 670 Comment
  CDA37810  Bacopa monnieri CDFA Staff 1983-1-23 s.n. Riverside Desert Island Country Club, northeast of Rancho Mirage. 0 Comment
  RSA23272  Bahiopsis parishii Ernest Braunton 1940-03 2032 Riverside Berdoo Canyon. Comment
  RSA442010  Bahiopsis parishii Ora M. Clark 1929-3-16 1719 Riverside N. of Whitewater, Colorado. Comment
  CAS-BOT-BC99949  Baileya pauciradiata Lewis S. Rose 1937-4-10 37147 Riverside 5 mi. S. of Cathedral City 15 Comment
  UCR33559  Baileya pauciradiata Faulkner 1978-3-30 398 Riverside Sonoran (Colorado) Desert, sand dunes between Riverside and Big Maria Mtns. 11 mi south of Vidal 198 Comment
  UCR42405  Baileya pauciradiata J. M. Stewart 1986-3-3 86- 16 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, east of Desert Center, east of the dry lake south of Palen Dry Lake Comment
  SEINET11861853  Baileya pauciradiata J. F. Bright, Wyman, C. 1933-3-12 8065 Riverside near Palm Springs Comment
  JOTR16565  Baileya pleniradiata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  RSA0089860  Baileya pleniradiata Dean Wm. Taylor 2003-5-7 18544 Riverside 1 mi SE of Steele Peak, 0.4 miles NNW of Good Hope Mine, under electrical transmission line corridor. 579 Comment
  RSA653353  Bassia hyssopifolia Robert MacGregor 1984-5-19 3 Riverside Lake Elsinore, CA Hwy 74, 1 mile W of junction with 15E Freeway, N side of road. Comment
  RSA480024  Bebbia juncea Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2151 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA696873  Bebbia juncea J. Russell Bruff 1927-11-26 32 Riverside Cottonwood Springs vicinity. Comment
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Oct 9 2010
  UCR143338  Bebbia juncea I. W. Clokey 1935-4-17 6966 Riverside Sonoran (Colorado) Desert, Shavers Well 274 Comment
  CAS-BOT-BC100132  Bebbia juncea var. aspera Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  JOTR31818  Bebbia juncea var. aspera La Doux, Tasha, Bill Truesdell 2007-11-9 2524 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  RSA746821  Bebbia juncea var. aspera Michael Honer 2003-4-16 1833 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak '2349' 640 Comment
  UC68873  Bebbia juncea var. aspera S. Grout 1903-7-1 Riverside Rubidoux Mt. Comment
  UC1563041  Berberis nevinii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-19 3055 Riverside s flank Oak Mountain (0.75 mi n of dam); Vail Lake 518 Comment
  UCD142297  Bernardia incana C. W. Tilforth; W. Wisura 1979-8-8 1906 Riverside Big Horn Sheep Overlook; S. of Palm Desert; Hiway 74 above Deep Canyon. Comment
  UCR123867  Bernardia myricifolia Steven R. Hill 2001-5-3 33696 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
  UCR172793  Bloomeria crocea Wayne Law, Jun Hu 2000-5-16 19 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  RSA34558  Boechera californica N. C. Cooper 1944-6-16 1427 Riverside San Jacinto Mountains, west side. 1372 Comment
  RSA720468  Boechera johnstonii Naomi Fraga, Tim Thibault 2006-5-16 1674 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  JEPS53108  Boechera perennans W. L. Jepson 1901-5-25 1454 Riverside Coyote Canyon Santa Rosa mts. Comment
  UC855388  Boechera perennans K. Watkins and E. McClintock 1937-4-10 Riverside Palms to Pines highway, near road to Shumay Comment
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Dec 17 2011
  JOTR33812  Boerhavia coccinea La Doux, Tasha, B. Truesdell 2007-11-9 3328 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  JOTR30687  Boerhavia coulteri Andre, Jim, Tasha La Doux 2008-9-13 10277 Riverside Joshua Tree National Park. Pinto Basin along paved Hwy at Fried Liver Wash 548 Comment
  CLARK-A1528-965  Boerhavia erecta var. intermedia Charlotte Stocks 1966-8-24 Riverside 853 Comment
  RSA608164  Boerhavia triquetra Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10051 B Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCR33578  Boerhavia wrightii Sears 1977-10-10 S 525 Riverside Sonoran (Colorado) Desert, 10 mi NE of Desert Center, base of Coxcomb Mtns 171 Comment
  CLARK-A1528-5364  Boisduvalia glabella John C. Roos 1952-5-14 5662 Riverside Edgemont 487 Comment
  UCR90334  Bouteloua barbata Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  JEPS14078  Bowlesia incana W. L. Jepson 1939-4-17 19133 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  SEINET4691502  Bowlesia incana A. C. Sanders 2012-1 39991 Riverside Peninsular Range; Elsinore Valley: city of Lake Elsinore, long Riverside Dr. (HWY74) NE of Baker St. at edge of temescal Creek 384 Comment
  UCR149061  Bowlesia incana Michael L. Fugate 2005-2-18 s.n. Riverside Coyote Hill SE of UC Riverside campus, lower slopes of hill with Bench Mark Versity 366 Comment
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Mar 27 2013
  JOTR35012  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  RSA0105943  Brandegea bigelovii Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  SD227797  Brandegea bigelovii Scott D. White, Sandy Leatherman 1998-4-15 6287 Riverside La Quinta / Palm Desert area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes N of Miles ave. and W of Washington St. 29 Comment
  UC604848  Brandegea bigelovii Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9514 Riverside 19 mi from Cottonwood Springs (n end of Pinto Basin); Pinto Basin Comment
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  POM90998  Brandegea bigelovii E. C. Jaeger 1925-12-20 s.n. Riverside Fish traps. 3 Comment
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Feb 3 2011
  RSA719245  Brandegea bigelovii Michael Honer, L. Hulse 2004-4-3 1907 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  SEINET8710942 Image available Brassica fruticulosa A. C. Sanders 2008-1 34418 Riverside Peninsular Range: Box Springs Mtns.; Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road 428 Comment
  UCR108393  Brassica geniculata D. L. Banks, V. W. Steinmann 1997-3-13 1466 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
  UCR99788  Brassica geniculata Julie A. Greene, S. D. White 1993-7-5 1394 Riverside San Jacinto Valley, San Jacinto Wildlife Area, on raised wet area, west of dirt road 445 Comment
  SFV7911  Brassica tournefortii T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1274 Riverside Along roadside at Chiriaco Summit. 521 Comment
  UC667247  Brickellia atractyloides Annie M. Alexander and Louise Kellogg 1941-5-10 2145 Riverside 3 mi ne Cottonwood Spring; Colorado Desert, Eagle Mountains 1036 Comment
  CAS-BOT-BC106337  Brickellia atractyloides var. arguta B. D. Stark 1930-5-4 831 Riverside Morongo Pass Comment
  JOTR16568  Brickellia californica Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECTS 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  RSA575884  Brickellia californica Steve Boyd 1981-2-9 s.n. Riverside Gavilan Hills region, southern end of Steele Valley, S of extensive groves and communications site at W base of Steele Peak 610 Comment
  SD152952  Brickellia californica Steve Boyd, Time Ross and Dave Bramlet 1992-9-9 7685 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  CAS-BOT-BC106188  Brickellia desertorum Nancy Ryan Zabriskie; Walter Zabriskie 1971-11-27 467 Riverside Andreas Canyon, east slope San Jacinto Mountains -this n.w. of juncture of North Canyon with Andreas Canyon 365 Comment
  CAS-BOT-BC106194  Brickellia desertorum S. B. Parish 1896-4-2 s.n. Riverside Andreas Canyon, Palm Springs - Colorado Desert Comment
  CLARK-A1528-1670  Brickellia desertorum John C. Roos 1951-10-19 5328 Riverside San Jacinto Mountains Comment
  JOTR31136  Brickellia oblongifolia var. linifolia La Doux, Tasha 2009-6-3 1848 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  CAS-BOT-BC132192  Brodiaea filifolia P. A. Munz; I. M. Johnston 1922-5-19 5412 Riverside 1 mi. east of Perris 441 Comment
  UC1409124  Brodiaea filifolia Robert F. Thorne and E. Lathrop 1969-6-6 39323 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  RSA559320  Bromus arenarius Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-13 7367 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
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Mar 24 2013
  CAS-BOT-BC149330  Bromus arizonicus John Thomas Howell 1956-3-20 31119 Riverside 8th Street, Riverside. Comment
  RSA120969  Bromus arizonicus J. T. Howell 1956-3-20 31119 Riverside Riverside. Comment
  UCR20626  Bromus carinatus John C. Roos, L. Roos 1954-5-29 6122 Riverside Canyon 1 mi SE of summit of Reche Canyon 686 Comment
  CAS-BOT-BC148744  Bromus carinatus var. marginatus H. M. Hall 1901-6-1 2099 Riverside San Jacinto Mountains. South side. 1524 Comment
  RSA754136  Bromus ciliatus var. ciliatus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 19 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  UCR230926  Bromus diandrus T. B. Salvato, Richard Camacho 2011-6-12 5479 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  SEINET3922492  Bromus grandis Scott D. White 1999-6-6 7446 Riverside San Jacinto Mts. Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2.; 0 1433 Comment
  UCR133673  Bromus hordeaceus Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR156368  Bromus madritensis T. B. Salvato, Kent Beaman 2005-5-16 874 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
  UC816370  Bromus madritensis subsp. rubens I. W. Clokey, B. C. Templeton 1930-4-9 4680 Riverside n of Palm Springs (Colorado Desert); Colorado Desert 180 Comment
  CLARK-A1528-45  Bromus rubens C. M. Flanag 1973-5-12 408 Riverside Morongo Indian Reservation 1158 Comment
  RSA772131  Bromus rubens Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4864 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
  SEINET3923271  Bromus rubens R. L. Piemeisel 1913-5-2 05409463 Riverside Crestmore field.; 0 Comment
  POM197848  Bromus rubens Donald A. Johansen, Joseph A. Ewan 1932-4-10 7057 Riverside Mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  SD136964  Bromus tectorum Steve Boyd, Tim Ross, Dave Bramlet 1993-5-13 7381 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 410 Comment
  RSA0020668  Bromus tectorum N. C. Cooper 1944-5-20 1295 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  SD51958  Bromus tectorum var. glabratus Reid Moran 1962-7-7 9860 Riverside Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  POM199148  Caesalpinia virgata Donald A. Johansen, Joseph A. Ewan 1932-4-12 7105 Riverside Devils Canyon above Coachella Valley Comment
  RSA0014313  Caesalpinia virgata Justin M. Wood, J. Miner 2010-4-29 1545 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  UC864232  Caesalpinia virgata Alice Eastwood 1913-4-30 3072 Riverside Palm Springs Comment
  UCR161366  Caesalpinia virgata Mark A. Elvin 2005-4-26 4227 Riverside Northern Sonoarn Desert, Coachella Valley; west of Coachella Valley Preserve 84 Comment
  RSA271846  Calandrinia ciliata C. W. Tilforth 1978-4-30 1580 Riverside Low, rounded hills east of Norco. Comment
  UCR93019  Calandrinia ciliata G. P. Schultz 1994-4-7 81 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  SD107764  Callitriche heterophylla var. bolanderi Robert 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 (mak 9/06) 609 Comment
  SD90607  Callitriche marginata Robert F. Thorne, Earl Lathrop 1969-5-12 37926 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  RSA651313  Calocedrus decurrens J. H. Reynolds 1981-2-14 11 Riverside Idyllwild Visitor Center. 10 m due W from visitor center museum entrance. 1900 Comment
  SD73470  Calochortus albus E. W. Lathrop 1969-5-18 7058 Riverside Santa Ana Mountains, 8 miles west of Murrieta, Santa Rosa Plateau bordering the Tenaja Road. In rocky soil of oak woodlands. Comment
  POM12732  Calochortus concolor Philip A. Munz 1922-6-30 5917 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  JEPS17807  Calochortus excavatus W. L. Jepson 1903-8-8 2321 Riverside San Jacinto Mt., at Log Cabin on upper trail San Jacinto Mt. 2438 Comment
  RSA773589  Calochortus invenustus Duncan S. Bell, J. D. England 2010-6-14 1301 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1367 Comment
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May 26 2014
  UCR122530  Calochortus palmeri var. munzii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6684 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  UCR127537  Calochortus palmeri var. munzii A. C. Sanders, K. Kramer 2003-6-11 26875 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  UCR117699  Calochortus plummerae Mitch Provance 1998-6-11 652 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  UCR217567  Calochortus plummerae Jeff B. Galvin 2008-6-11 67 Riverside Peninsular Ranges, Western foothills of the San Jacinto Mountains, Potrero, 4.3 km south of Beaumont and ~ 1 km west of Highland Springs Rd. 750 Comment
  RSA377469  Calochortus splendens Christopher Davidson 1977-5-25 5652 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA516757  Calochortus splendens Ed LaRue 1989-4-25 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA633887  Calochortus splendens Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38128 Riverside San Jacinto Mountains: San Bernardino National Forest. Woods above James Reserve. 1676 Comment
  RSA674935  Calochortus splendens Scott D. White 2000-5-30 7969 Riverside Corona Foothills: ca. 1 mi SE of the I-15/El centro Rd jtn. Adv to new housing construction. Alluvial terrances with steep, incised channels. 335 Comment
  SBBG34221  Calochortus splendens T. L. Secrest 1951-5-20 Riverside 3 mi S of Banning Comment
  CAS-BOT-BC283322  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside Mojave Desert. Smoke Tree Wash, ca 5 miles NE of Cottonwood Springs, Joshua Tree National Monument 853 Comment
  JOTR33983  Calyptridium monandrum La Doux, Tasha, M. Harding 2010-4-7 2871 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA0117828  Calyptridium monandrum Sarah J. J. De Groot, Grace Cho 2016-4-4 7770 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road between Haystack and Asbestos Mountains. 1233 Comment
  UC218257  Calyptridium parryi var. parryi P. A. Munz 1922-7-6 6004 Riverside Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2194 Comment
  UCR250587  Calystegia macrostegia A. C. Sanders 2013-6-20 40834 Riverside Peninsular Range, Alberhill, along lower part of 'new' Nichols Rd. extension, just west of Collier Ave. intersection, NE of Pierce St. intersection 386 Comment
  RSA586129  Calystegia macrostegia subsp. arida D. L. Banks 1995-4-11 0172 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, E of the Dripping Springs Trail. 950 Comment
  SJSU8764  Calystegia macrostegia subsp. intermedia G. E. Eberle 1962-12-27 77 Riverside upper end of Two Trees Rd, Riverside Comment
  UCR260090  Camissonia Mitch Provance 2012-4-23 412- 15 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  RSA25611  Camissonia bistorta Carl B. Wolf 1941-6-29 4219 Riverside West side of Lake Elsinore. 366 Comment
  RSA465912  Camissonia bistorta Robert L. Rutherford 1652 Riverside Banning, Big Oaks Canyon 1220 Comment
  UCR174091  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32613 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
  UCR180353  Camissonia bistorta Scott D. White, Angelia Carey 2004-4-5 10010 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR214313  Camissonia bistorta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38406 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
  POM14010  Camissonia boothii subsp. condensata P. A. Munz, D. Keck 1922-4-9 4747 Riverside Palm Springs. 76 Comment
  RSA465961  Camissonia boothii subsp. condensata E. C. Jaeger 1922-3-27 707 Riverside Colorado Desert. Box Canon, near Mecca. 91 Comment
  RSA465967  Camissonia boothii var. condensata E. C. Jaeger 1922-3-29 s.n. Riverside Chuckwalla Valley. 671 Comment
  RSA466171  Camissonia californica M. B. Dunkle 1932-3-25 2891 Riverside Cabazon. Comment
  RSA68293  Camissonia californica Verne Grant, Alva Grant 1951-4-7 15981 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 671 Comment
  UCR208011  Camissonia californica E. W. Lathrop 1975-8-15 7468 Riverside Peninsular Ranges: Santa Ana Mts. region, 5 miles W of Murrieta, Los Gatos Road, on south slope of Mesa de Colorado. Comment
  UCR41233  Camissonia californica N. M. Fellows, A. C. Sanders 1985-4-9 123 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
  POM272059  Camissonia californica Lyman Benson 1933-3-31 4179 Riverside Beginning of Hemet Road, San Jacinto Mt. Colorado Desert. 579 Comment
  RSA454727  Camissonia campestris H. de Forest, Rempel 1934-4-14 19809 Riverside San Gorgonio Pass. 602 Comment
  SEINET10492049  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-2-9 Dunn 2846 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  SEINET10870497  Camissonia cardiophylla David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3699 Riverside Pushawalla; growing in the wash. Indio hills, colorado desert. Comment
  CLARK-A1528-659  Camissonia cardiophylla subsp. cardiophylla Ronald K. Pidot 1962-3-23 Riverside Mecca Comment
  RSA454784  Camissonia chamaenerioides E. C. Jaeger 1922-4-29 731 Riverside Murray Canon, Colorado Desert. 274 Comment
  RSA703374  Camissonia chamaenerioides LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1438 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  CLARK-A1703-1218  Camissonia claviformis Charlotte Stocks 1963-4-20 Riverside Box Canyon Comment
  RSA0021247  Camissonia claviformis Duncan S. Bell 2009-3-7 27 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UCR249923  Camissonia graciliflora A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36792 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  RSA525443  Camissonia hirtella Steve Boyd, Dave Bramlet 1990-4-29 4488 B Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR120539  Camissonia hirtella D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1799 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 482 Comment
  UCR116814  Camissonia pallida A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23944 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  JOTR38649  Camissonia refracta La Doux, Tasha 2004-2-24 1113 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  UC140610  Camissoniopsis bistorta C. F. Baker 1903-4-5 4118 Riverside Hemet Comment
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Mar 24 2011
  UCD103439  Camissoniopsis bistorta A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23881 Riverside Perris-Aguanga Basin region. Temecula, along E side of pipeline NE of Long Canyon, W of San Diego Aqueduct. 381 Comment
  UC1979553  Camissoniopsis hirtella Darin L. Banks, Steve Boyd 1995-5-9 371 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR244377  Camissoniopsis pallida Jim Andre 2012-4-16 20945 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  RSA0123365  Camissoniopsis pallida subsp. pallida Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9039 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA495456  Capsella bursa-pastoris Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2984 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR109621  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1971-5-4 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  CAS-BOT-BC18184  Carex D. E. Breedlove 1961-7-29 870 Riverside San Jacinto Mountains. Fuller Mill Creek where it crosses Riverside Highway #1. 1645 Comment
  CAS-BOT-BC18449  Carex abrupta F. M. Reed 1908-7-11 s.n. Riverside East slope of San Jacinto Peak. 2926 Comment
  RSA343102  Carex alma Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60634 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  RSA770448  Carex alma Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4560 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM1458  Carex barbarae I. M. Johnston 1918-5-30 2022 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UCR174555  Carex barbarae Jennifer H. Jones 2006-6-6 408 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
  SEINET10377919  Carex bolanderi P. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains; bridge over North Fork San Jacinto River, Dark Canyon, at campground 1785 Comment
  RSA364634  Carex fracta M. B. Dunkle 1933-7-19 3682 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  CAS-BOT-BC32035  Carex multicaulis P. M. Kamb 1948-7-3 1148 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  CAS-BOT-BC32036  Carex multicaulis J. P. Simon; C. W. Tilforth 1969-6-24 38117 Riverside San Bernardino National Forest, San Jacinto Mts., 1676 Comment
  RSA801722  Carex multicaulis LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6169 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  POM14316  Carex multicostata Phillip A. Munz 1922-7-7 6052 Riverside San Jacinto Mountains: Round Valley 2713 Comment
  POM1486  Carex praegracilis Phillip A. Munz 1918-4-27 2132 Riverside Elsinore Comment
  RSA192172  Carex praegracilis E. W. Lathrop 1960-6-9 4959 Riverside 14 miles west of Murrieta. Comment
  POM49566  Carex sartwelliana Phillip A. Munz 1924-7-28 8815 Riverside Pine Flats 1738 Comment
  SEINET7574467 Image available Carex schottii Alice Eastwood, John Thomas Howell 1937-4-24 3919 Riverside San Juan River east of San Juan Hot Springs. Comment
  RSA0011148  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 -258 Riverside City of Hemet, Lake St at Flrida Ave. (Hwy 74). 591 Comment
  RSA0105942  Castela emoryi Alan Romspert 2000-4-15 s.n. Riverside East of Dupont road, Chuckwalla Mountains. Comment
  UCSB42128  Castilleja affinis subsp. affinis Roos, John 1966-4-5 Riverside Winchester Comment
  SD229283  Castilleja applegatei subsp. martinii Dick Schwenkmeyer 2012-4-17 686 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR49780  Castilleja densiflora B. G. Pitzer 1987-4-11 477 Riverside Santa Ana Mtns., Santa Rosa Plateau area, on Clinton Keith Road, c. 4.3 mi east of Palomar Street and 0.5 mi. east of the Nature Conservancy Preserve entrance 564 Comment
  RSA773670  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1093 Riverside San Bernardino National Forest: Garner Valley, approximately 2.7 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  SD134194  Castilleja exserta R. Mitchel Beauchamp 1972-4-16 3297 Riverside Pauba Valley, N of Highway 71-79 430 Comment
  UCR131801  Castilleja exserta Mrs. D. R. Wolf 1932-3-20 30 Riverside Santa Rosa Plateau, Richman Ranch, 2.5 miles north of DeLuz, SW Riverside County 457 Comment
  UCR201646  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-6-5 12061 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UCSB42561  Castilleja exserta subsp. exserta Romspert, A. 1966-3-27 Riverside Highway 71; between Corona and Elsinore.;Rancho El Hermano dirt road; north of 71 Comment
  POM8715  Castilleja foliolosa P. A. Munz 1920-4-11 3813 Riverside Santa Ana River Canyon. 305 Comment
  RSA221000  Castilleja foliolosa E. W. Lathrop 1966-3-30 6128 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  RSA296124  Castilleja foliolosa Barry A. Prigge 1980-8-11 3901 Riverside San Bernardino Mts, White Canyon: 3.2 miles upstream from trout farm. 963 Comment
  UC199386  Castilleja minor subsp. spiralis G. R. Hall 1908-1 Riverside Riverside Comment
  UCR164574  Castilleja minor subsp. spiralis S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  CAS-BOT-BC41089  Caulanthus hallii Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway. Mount San Jacinto. Comment
  CAS-BOT-BC167200  Caulanthus heterophyllus Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range: Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek 915 Comment
  UCR251313  Caulanthus heterophyllus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7422 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  RSA0043378  Caulanthus major John F. Emmel 1996-6-16 1410 Riverside San Jacinto Mts.; Spitler Peak Trail, 0.0-0.1 air mile south and 0.4-0.5 air mile east of Cartridge Spring. 1767 Comment
  SEINET3507419 Image available Caulanthus simulans L. F. LaPre 1986-4-17 Riverside Bull Canyon, Gavilan Hills. Comment
  RSA1503  Ceanothus crassifolius B. D. Stark 1929-2-21 1606 Riverside Hidden Canyon, Santa Ana Mts. Comment
  RSA779956  Ceanothus crassifolius Dylan O. Burge 2007-3-20 799 -c Riverside Agua Tibia Area Cleveland National Forest .66 road miles (1.05 km) from Woodchuchk Road on an abandoned fire road accessed via Woodchuck parking 0.93 road miles (1.49 km) from Hwy 79 site is 12.7 km 274 degrees (True) WNW of Aguanga 660 Comment
  UC1071024  Ceanothus crassifolius A. Lewis 1933-2-2 153 Riverside 2 mi w Oak Mt.; San Jacinto quad 609 Comment
  UCR174966  Ceanothus crassifolius Teresa Nieto 2005-4-24 21 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR187466  Ceanothus crassifolius Diane Menuz 2006-3-16 005 Riverside Peninsular Range; Agua Tibia Mtns., Agua Tibia Wilderness, Cleveland National Forest, Dripping Springs Campground off Hwy 79, between parking lot and slopes beyond helipad past upper camping area 518 Comment
  POM85877  Ceanothus greggii var. perplexans Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  CAS-BOT-BC51279  Ceanothus leucodermis Mary F. Spencer 1919-6-20 1205 Riverside Edge of woods, Mt. San Jacinto 1615 Comment
  LA44859  Ceanothus leucodermis W. Pequegnat; 1939-4-8 45 Riverside Santa Ana Mountains Comment
  SD229239  Ceanothus leucodermis Dick Schwenkmeyer 2012-4-17 695 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR13726  Ceanothus leucodermis R. S. Woglum 1941-6-12 3053 Ab Riverside San Jacinto Mtns., Idyllwild 1524 Comment
  HSC18364  Ceanothus oliganthus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23109 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA557891  Ceanothus oliganthus var. sorediatus Steve Boyd, Orlando Mistretta 1992-4-22 7002 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
  RSA0025535  Ceanothus oliganthus var. sorediatus John F. Emmel 1992-4-11 1202 Riverside Riverbed of South Fork San Jacinto River, 0.3 air mi NW of confluence of Dry Creek and San Jacinto River. 738 Comment
  NY406543  Ceanothus ophiochilus S. D. Boyd 1989-3-19 3020 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
  UCR114966  Ceanothus ophiochilus Fred M. Roberts, Steve Boyd, Tom Leslie 1992-2-7 4831 Riverside Peninsular Range, Vail Lake, ridge about 2km WSW of lake east of 'Little' Oak Mountain 600 Comment
  UCR68477  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2960 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  RSA601167  Ceanothus palmeri Scott D. White 1996-8-15 4476 Riverside Idyllwild area: USFS Rd. 5S10 at jct w/ foot trail 2E16, at an intermittent stream channel. 1646 Comment
  UCR137061  Ceanothus papillosus Chris E. True, Robert Cox 2004-7-7 s.n. Riverside Santa Ana Mtns., Main Divide Trail, 0.6 km NE of summit of Pleasants Peak 1067 Comment
  SDSU13519  Ceanothus tomentosus W. Miller, C. Mosse 1972-8-9 Riverside Comment
  SEINET8734799 Image available Centaurea melitensis Jean Coulson 1959-1 s.n. Riverside Box Spring Mts.; Pidgeon Pass Road, 0;6 mi. from fork to dump on E. side of road Comment
  SD243094  Centromadia pungens subsp. laevis Jeremiah George 2012-7-9 Riverside San Timoteo Canyon, west side of San Timoteo Canyon Road, NE corner of Fisherman's Retreat Lake (El Casco 7.5'Q) 597 Comment
  UCR282153  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2017-5-18 17- 258 Riverside Perris-Aguanga Basin, city of Hemet, east of Winchester, north of Simpson Road, east of San Diego Aqueduct, west of active agricultural fields 467 Comment
  RSA607916  Ceratophyllum demersum L. C. Wheeler 1961-6-24 7912 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  RSA247378  Cercidium floridum Gary D. Wallace 1967-4-29 720 Riverside Northeast of Coxcomb Mts., 15 miles North of Desert Center along Parker Dam Hwy. Comment
  JEPS64760  Cercidium floridum subsp. floridum W. L. Jepson 1920-5-1 8917 Riverside Palm Sprs. of San Jacinto Colorado Desert 137 Comment
  UC1366099  Cercocarpus betuloides var. betuloides K. R. Montgomery 1969-9-6 47 Riverside 18 mi s of Hemet (Wilson Valley Road) 1097 Comment
  JEPS8905  Chaenactis artemisiifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1274 Riverside San Jacinto River to Strawberry Valley 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
  SBBG104629  Chaenactis carphoclinia T. Glenn 1991-4-30 91 -69 Riverside McCoy Mtns, NW of Blythe; T6S, R 21E, S18 280 Comment
  SBBG99384  Chaenactis carphoclinia W. L. Halvorson 1977-2-5 77 -21 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  RSA777827  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 858 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  UCR72241  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-2 91- 128 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  CAS-BOT-BC276921  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside S side of Little San Bernardino Mountains. Dillon Road and 1000 Palms Oasis Road Junction S of Joshua Tree National Park, parallel to I-10. 5 miles E of Junction Dillon Road and Fargo Canyon Rd, near small hill with blow sand on top 2000' 609 Comment
  UC1119695  Chaenactis fremontii H. S. Yates 1936-4-7 5426 Riverside near Whitewater; San Jacinto 304 Comment
  UCR226863  Chaenactis fremontii Jim Andre 2011-2-9 15943 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  UC1951107  Chaenactis glabriuscula Scott D. White, Justin Wood 2009-5-22 12910 Riverside SAN JACINTO MOUNTAINS: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR133691  Chaenactis glabriuscula 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
  UCSB9501  Chaenactis glabriuscula Newby, Ron 1959-5-16 Riverside 12 miles S. on highway to Idyllwild from Banning along roadside; in the San Jacinto Mts. Comment
  HSC87021  Chaenactis glabriuscula var. glabriuscula K. Harper 1988-5-14 Riverside San Jacinto Mtns.; road to the N of Castile Canyon Dr. at Poppet Fla, off Hwy. 243 Comment
  RSA516765  Chaenactis glabriuscula var. glabriuscula Ed LaRue 1989-4-26 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice Canyon. 488 Comment
  UCR107828  Chaenactis glabriuscula var. glabriuscula D. L. Banks 1997-5-5 1988 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  JEPS34166  Chaenactis glabriuscula var. lanosa Carl V. Meyer 1929-6-18 770 Riverside Hemet Valley San Jacinto Mts., Hemet Valley Comment
  RSA523315  Chaenactis glabriuscula var. lanosa G. H. True 1935-4-3 200 Riverside Box Springs 366 Comment
  UC217943  Chaenactis stevioides P. A. Munz and D. Keck 1922-4-9 4819 Riverside Hayfields, Chuckawalla Valley Colorado Desert, Chuckawalla Valley 152 Comment
  UC665742  Chaenactis stevioides Ira L. Wiggins 1941-5-27 9683 Riverside 8 mi ne of Desert Center (s end of Coxcomb Mountains); Coxcomb Mountains Comment
  UC868576  Chamaesyce Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  JOTR33670  Chamaesyce albomarginata La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2660 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  RSA501028  Chamaesyce albomarginata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3148 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  RSA614334  Chamaesyce maculata George K. Helmkamp, E. A. Helmkamp 1997-1-8 1279 Riverside Palm Springs. Lawn at El Cielo and Tahquitz-McCallum. 152 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
  HSC8028  Chamaesyce polycarpa L. S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  POM7096  Chamaesyce polycarpa P. A. Munz, L. T. Street, G. Williams 1919-3-28 2346 Riverside Indio . Comment
  RSA799818  Chamaesyce polycarpa Scott D. White, Robert Black 2011-2-25 13387 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  RSA611960  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1952-10-30 7011 Riverside University of California at Riverside: Citrus Experimental Station. Comment
  RSA0104494  Chamaesyce serpillifolia Duncan S. Bell 2015-9-30 8661 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UC2026401  Chamaesyce setiloba Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10052 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  RSA552708  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross 1992-2-21 6664 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  UC71520  Cheilanthes clevelandii Miss Alice King 1892-1 Riverside Comment
  JOTR35350  Cheilanthes covillei Andre, Jim 2012-4-11 20693 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA523539  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3999 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR20821  Cheilanthes newberryi A. C. Sanders, Steve Boyd 1980-5-2 00959 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  JOTR34140  Cheilanthes parryi La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3158 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  UCR18783  Cheilanthes parryi John C. Roos 1946-11-30 3168 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns., north base 457 Comment
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May 21 2011
  UCR245235  Cheilanthes parryi Jim Andre 2012-3-19 21325 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  RSA85538  Cheilanthes viscida F. W. Peirson 1922-12-27 4295 Riverside On rough mountain slope between two forks of Andreas Canyon, near Palm Springs 609 Comment
  UCR110420  Chenopodium ambrosioides A. C. Sanders, Mitch Provance 1999-9-26 23129 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
  RSA736546  Chenopodium botrys Scott D. White, Angelia Carey 2004-7-2 10587 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UC72714  Chenopodium californicum Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR115154  Chenopodium missouriense Mitch Provance 2000-10-14 2256 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 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
  SD122872  Chenopodium murale Steve Boyd 1985-7-23 1012 Riverside De Luz Rd., 7.6 mi. west of Rancho California. Roadsideweed in damp soil where Sandia Creek crosses road. 334 Comment
  UCR113599  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23682 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  JEPS9185  Chilopsis linearis subsp. arcuata W. L. Jepson 1901-5-22 1361 Riverside Palm Canyon to Van de Venter's s. of Palm Springs; San Jacinto Mts. Comment
  UCD121650  Chilopsis linearis subsp. arcuata K. Esau 1935-6-20 s.n. Riverside Road to Beaumont. Comment
  UC218130  Chimaphila umbellata P. A. Munz 1922-9-6 6387 Riverside San Jacinto Mts., N. Fork Tahquitz Creek 2209 Comment
  POM263173  Chloris virgata J. C. Roos 1957-8-20 356 Riverside Blythe. Comment
  RSA689682  Chloris virgata R. E. Riefner Jr. 2003-10-21 3 -459 Riverside Menifee Valley, along Newport Road 1 mile E of Goetz Road intersection 442 Comment
  RSA776508  Chorizanthe brevicornu Amber Swanson, Duncan S. Bell 2011-3-10 209 Riverside Box canyon, SW side of Mecca Hills 72 Comment
  POM8420  Chorizanthe brevicornu var. brevicornu P. A. Munz, R. D. Harwood 1920-4-14 3517 Riverside Pass near Palm Springs. 152 Comment
  UCR135827  Chorizanthe coriacea A. C. Sanders, Guy Bruyea 2004-4-2 27437 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UC635066  Chorizanthe corrugata Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert, 1000 Palm Canyon Comment
  RSA500530  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3620 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  RSA586719  Chorizanthe fimbriata var. fimbriata D. L. Banks, S. D. Boyd 1995-5-17 442 Riverside NW Palomar Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., lower Arroyo Seco; S of the Dripping Springs Campground, W the Dripping Springs Trail. 573 Comment
  RSA68300  Chorizanthe fimbriata var. fimbriata Verne Grant, Alva Grant 1951-6-4 16014 Riverside Small canyon 2 mi. s. of Temecula on Hwy 395. 335 Comment
  UCR243124  Chorizanthe leptotheca Kate Kramer 2012-5-8 259 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  SBBG122006  Chorizanthe parryi var. parryi A. Parikh, N. Gale 2004-6-7 763 Riverside W side of Smith Crk, 2.3 km NE of Highland Springs, 1.3 km W of Banning Bench/Bluff Street 1084 Comment
  UCR260835  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41519 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  RSA720446  Chorizanthe polygonoides var. longispina Naomi Fraga, Valentin Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1697 Riverside East of Fobes Ranch Road, about 1/2 mile south of Fobes Ranch. 1616 Comment
  UC1543906  Chorizanthe polygonoides var. longispina Barbara Ertter and Jeffrey Strachan 1980-5-22 3490 Riverside Dripping Springs Campground Cleveland National Forest (hills on e side, near Hwy 79 between Aguanga and Temecula, n of Wild Horse Peak) 609 Comment
  UC2029939  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10407 Riverside SANTA ANA MOUNTAINS - GAVILAN HILLS REGION: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash. Comment
  UCR217512  Chorizanthe polygonoides var. longispina Jeff B. Galvin 2008-5-8 043 Riverside Peninsular ranges, Santa Ana Mtns, Santa Rosa Plateau, Sylvan Meadows, along Stevenson Trail 600 Comment
  RSA0121420  Chorizanthe rigida Duncan S. Bell, LeRoy Gross 2016-3-31 9191 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  RSA457799  Chorizanthe rigida Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2193 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR74364  Chorizanthe rigida Theo Glenn 1991-4-30 91- 66 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  RSA736762  Chrysanthemum coronarium Scott D. White, Lynn Stafford 2007-7-5 11754 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA38274  Chrysothamnus nauseosus subsp. consimilis P. A. Munz 1946-10-19 11572 Riverside Upper end of Palm Canyon at jct of hwy 74 and road to old Santa rosa Indian Village 1220 Comment
  RSA40319  Chrysothamnus paniculatus L. S. Rose 1945-12-25 45323 Riverside 4 miles N of Palm Springs. Comment
  UCSB4399  Chylismia brevipes Sager, Ginny 1960-4-2 Riverside In camp: off hiway 60-70 (to south) at southern tip of Joshua Tree National Monument Comment
  UC635388  Chylismia cardiophylla subsp. cardiophylla H. L. Mason 1928-3-10 4205 Riverside Hidden Springs Coachella Mountains Comment
  UC68583  Chylismia cardiophylla subsp. cardiophylla H. M. Hall Apr. 1905 5822 Riverside Indio Mt. Colorado Desert 152 Comment
  SD185268  Chylismia claviformis Nathan Moorhatch 2005-2-17 Riverside Western Sonoran Desert: Coachella Valley, east edge of Santa Rosa Mountains, La Quinta west of Washington St. between Ave. 48 and Lake La Quinta Dr. -36 Comment
  CAS-BOT-BC160596  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1941-3-24 9607 Riverside 6 miles northeast of Niland, on road to Beal Well Comment
  RSA0117924  Chylismia claviformis subsp. aurantiaca Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7638 Riverside Santa Rosa Mountains, southwest of Coachella, west of Mecca. Mouth of Toro Canyon, east-northeast of Martinez Mountain. Southwest of junction of Monroe Street with 64th Ave. 2 Comment
  UC1329913  Chylismia claviformis subsp. aurantiaca James E. Cole 1941-6-17 919 Riverside in Live Oak Tank Joshua Tree National Monument 1219 Comment
  UCD103916  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11476 Riverside Box Canyon, 5.5 miles SE of Painted Canyon turnoff. Comment
  UC1922422  Chylismia claviformis subsp. claviformis Naomi Fraga, Lisa Rojas 2005-2-10 1352 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA797396  Cirsium acaulescens Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  CLARK-A1703-1185  Cirsium occidentale Charles S. Papp 1965-6-13 856 Riverside San Jacinto 914 Comment
  RSA192008  Cirsium occidentale var. californicum E. W. Lathrop 1959-5-17 4562 Riverside 14 miles west of Murrieta. Comment
  CAS-BOT-BC438847  Cistanthe monandra H. S. Yates 1937-3-23 6405 Riverside 2 miles north of Palm Springs 213 Comment
  POM10027  Cistanthe monandra Charlotte M. Wilder 1904-5-14 37 Riverside Wilders Canyon, Jurupa Hills, Comment
  RSA314660  Cistanthe monandra R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55479 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA33775  Cistanthe monandra N. C. Cooper 1944-5-21 1284 Riverside San Jacinto Mountains, West side 915 Comment
  RSA466604  Cistanthe monandra Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
  RSA501025  Cistanthe monandra Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3146 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  UCR80800  Clarkia dudleyana Scott D. White 1993-5-29 1453 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  CAS-BOT-BC163868  Clarkia purpurea subsp. quadrivulnera Mitch Provance 2003-4-17 4631 Riverside San Bernardino Valley: Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., W of the railroad tracks 360 Comment
  UCR218067  Clarkia purpurea subsp. quadrivulnera Steve Boyd 2010-5-28 12287 Riverside Santa Ana Mountains, Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  RSA387362  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1986-4-19 1709 Riverside Temescal Canyon Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  RSA561063  Clarkia similis Steve Boyd, T. S. Ross, Dave Bramlet 1993-5-12 7350 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 366 Comment
  UCR104916  Claytonia parviflora subsp. parviflora A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20634 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR201651  Claytonia parviflora subsp. parviflora Scott D. White, Justin M. Wood 2008-5-15 11996 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA469297  Claytonia perfoliata subsp. perfoliata N. C. Cooper 1944-5-21 1301 Riverside San Jacinto Mountains, West side 915 Comment
  SD186309  Clematis lasiantha Andy C. Sanders, Mike Misenhelter 2005-6-15 31002 Riverside Sage-Auanga Region: 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 640 Comment
  SEINET10536024  Clematis lasiantha James S. Miller 1992-5-8 Miller 7461 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  POM302504  Clematis ligusticifolia J. C. Roos 1943-8-8 2700 Riverside Hall Canyon. Comment
  CAS-BOT-BC92824  Clematis pauciflora Annie M. Alexander; Louise Kellogg 1941-5-4 2115 Riverside Joshua Tree National Monument. Near Reservoir. Barker Dam. 1310 Comment
  CLARK-A1528-1313  Clematis pauciflora Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  JOTR16830  Clematis pauciflora Wanrow, E. & Moore, Sue 1968-3-13 s.n. Riverside Joshua Tree National Park. BARKER DAM TRAIL, 200 YARDS SOUTH OF LAKE EDGE 1325 Comment
  SD80140  Clematis pauciflora Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 367 Riverside Deep Canyon south of Hwy 74, ca. 2 mi up water service road, below crossing; north slope Santa Rosa Mountains. 1310 Comment
  UCR121329  Clematis pauciflora A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24990 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  RSA0020488  Clematis pauciflora W. Hutchinson 1926-4-1 s.n. Riverside Palm Springs. Comment
  POM93721  Cleome isomeris Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR62143  Collinsia childii Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2273 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 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
  RSA797662  Collinsia heterophylla var. heterophylla Robert F. Thorne, E. W. Lathrop 1977-5-18 49766 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  RSA774480  Colubrina californica Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside NW of the Blythe airport and in the washes eas of the McCoy mountains. Comment
  SBBG71425  Colubrina californica I. M. Johnston 1930-6-15 Riverside N of Mecca-Blythe Rd at SW end of Eagle Mtns Comment
  RSA0047077  Colubrina californica Amber Swanson, Linda Jean Foster 2011-10-8 644 Riverside Washes in the Little Santa Maria Wilderness W of Midland/Blythe-Rice Rd. 272 Comment
  UCR107825  Convolvulus arvensis D. L. Banks 1997-5-5 1953 Riverside NW Palomar Mtns., Agua Tibia Mtns: NW foothills of Dorland Mtns, at intersection of Los Caballos Road and Anza Road, just south of the golf course. 427 Comment
  UC468806  Conyza canadensis F. M. Reed 1905-9-25 406 Riverside Terraces Ranch Comment
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Oct 20 2007
  UC123564 Image available Corallorhiza maculata F. M. Reed 1908-7-12 2516 Riverside south of Round Valley Comment
  SD225115  Cordylanthus nevinii Scott D. White 1996-8-16 4484 Riverside San Jacinto Mts.: Idyllwild area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1707 Comment
  CAS-BOT-BC288999  Coreopsis John H. Thomas 1957-3-30 6565 Riverside Joshua Tree National Monument. About 3 miles SE of White Tank near the road to Cholla Cactus Garden.About 20 miles NE of Indio 883 Comment
  POM6545  Coreopsis californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2362 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  UCR29813  Coreopsis californica M. G. McLeod, D. J. Keil 1977-3-26 12010 Riverside Elsinore Basin, 8 mi. NW of Lake Elsinore State Recreation Area along Calif. Hwy 71 366 Comment
  JEPS20334  Corethrogyne filaginifolia W. L. Jepson 1903-8-7 2286 Riverside San Jacinto Mt., Strawberry Valley San Jacinto Mt., Strawberry Valley 1676 Comment
  RSA293512  Corethrogyne filaginifolia var. bernardina C. W. Tilforth, Walter Wisura 1979-8-8 1892 Riverside Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning. 1037 Comment
  RSA0104911  Crassula connata Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7752 Riverside Morongo Canyon Preserve; collecting in Little Morongo Canyon, just below (south of) the San Bernardino/Riverside county border. 563 Comment
  RSA359856  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA653675  Cressa truxillensis A. C. Sanders, K. C. Rose 1999-6-18 22820 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  CAS-BOT-BC181565  Crossosoma bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, Colorado Desert 304 Comment
  RSA85074  Crossosoma bigelovii F. W. Peirson 1933-4-15 10653 Riverside Whitewater River E of Cabezon, 4.5 mi. up stream from Hwy. 701 Comment
  UCD102968  Crossosoma bigelovii P. C. Everett; E. K. Balls 1958-5-4 23080 Riverside Morongo Pass, 7.6 mi. n. along road to 29 Palms from U.S. Hwy. 60/70. 670 Comment
  JOTR35016  Croton californicus La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3114 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  LA28882  Croton californicus P. J. Remple; 1942-3-3 Riverside Garnet Springs near Palm Springs Comment
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Mar 13 2014
  UC1130375  Croton californicus A. E. Wieslander 1929-1-25 41 Riverside Bautista Creek San Jacinto Quadrangle (near Plot 9) 609 Comment
  UCR89872  Croton californicus George K. Helmkamp 1994-3-8 41 13 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  UCR99572  Croton setiger Julie A. Greene, S. D. White 1993-7-5 1402 Riverside San Jacinto Valley, San Jacinto Wildlife Area, lower, flat area, west of dirt road 441 Comment
  RSA799815  Cryptantha D. M. Ray 2011-3-5 13 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UCR169389  Cryptantha T. B. Salvato, John F. Green 2004-5-27 612 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  JOTR16628  Cryptantha angustifolia Wilburn and Walters 1967-3-7 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON Comment
  JOTR28756  Cryptantha angustifolia La Doux, Tasha, Bill Truesdell 2004-3-11 1037 Riverside Joshua Tree National Park. Pinto Basin; between sand hills and parking lot for Turkey Flats 487 Comment
  RSA731021  Cryptantha angustifolia Michael Wall 2008-4-26 455 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  RSA796021  Cryptantha angustifolia Duncan S. Bell 2009-4-18 242 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  POM46803  Cryptantha barbigera Mary F. Spencer 1920-3-24 1516 Riverside Near Indio. Colorado Desert. 91 Comment
  POM96832  Cryptantha barbigera F. M. Reed 1926-3-3 5162 Riverside Wash of Whitewater River near Bridge on Hwy. Comment
  UCR86879  Cryptantha circumscissa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16259 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
  UCR177938  Cryptantha clevelandii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 527 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR214334  Cryptantha corollata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38373 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
  UCR256763  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7885 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  CAS-BOT-BC218759  Cryptantha holoptera John Thomas Howell 1928-3-24 3529 Riverside Painted Canyon [Canon], Colorado Desert Comment
  UCR256892  Cryptantha inaequata Duncan S. Bell, Evan Meyer 2014-4-2 6500 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness Area, southern section of range; c. 1 air mile NW of Canyon Spring 422 Comment
  CLARK-A1528-1120  Cryptantha intermedia Charles S. Papp 1964-5-3 454 Riverside Riverside Comment
  CLARK-A1528-332  Cryptantha intermedia Ellen Predmore 1971-5-3 Riverside Gilman Hot Springs 457 Comment
  RSA0014467  Cryptantha intermedia Justin M. Wood, J. Miner 2010-4-29 1541 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA499709  Cryptantha intermedia Ora M. Clark 1929-4-6 1938 Riverside W. San Jacinto Comment
  SBBG101725  Cryptantha intermedia S. Boyd, T. Ross, M. Hammitt 1991-5-2 60072 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SEINET3084398 Image available Cryptantha intermedia Andrew C. Sanders 1986-6-1 6538 Riverside San Jacinto Mountains, along the trail to Spitler Peak from the 'Herkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1706 Comment
  UC1168696  Cryptantha intermedia Peter H. Raven 1958-5-17 12939 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UC1535401  Cryptantha intermedia A. C. Sanders and B. Pitzer 1986-4-30 6491 Riverside 1.7 mi above mouth of Bee Canyon (at the San Jacinto River valley, head of Bee Canyon along Bee Canyon Road); San Jacinto Mountains, San Jacinto River Valley, Bee Canyon 792 Comment
  UCD119851  Cryptantha intermedia Geoffrey Levin 1975-4-26 487 a Riverside Mayhew Canyon Wash, 1.5 miles southeast of Glen Ivy on Highway 71. 335 Comment
  UCR16165  Cryptantha intermedia R. P. Sunderman 1968-4-17 2 Riverside Campus of University of California, Riverside. 396 Comment
  UCR97705  Cryptantha intermedia Scott D. White 1997-2-28 4717 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  JOTR28747  Cryptantha maritima La Doux, Tasha, Bill Truesdell 2004-2-24 1029 Riverside Joshua Tree National Park. Eagle Mountains; Trail to Lost Palms Oasis, southeast of Cottonwood Oasis 914 Comment
  POM14239  Cryptantha maritima P. A. Munz, D. D. Keck 1922-4-9 4755 Riverside Shavers Well, near Mecca. 76 Comment
  UC180100  Cryptantha maritima H. M. Hall Apr 1905 5786 a Riverside 10 mi w Coachella; Marshall 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
  UCR280920  Cryptantha maritima Fred M. Roberts 2016-3-5 7995 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  RSA688861  Cryptantha micrantha Scott D. White, Michael Honer 2003-5-13 9242 Riverside Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UC857178  Cryptantha micrantha Lewis S. Rose 1937-4-10 37152 Riverside La Quinta 0 Comment
  POM13197  Cryptantha micrantha var. lepida P. A. Munz, I. M. Johnston 1922-5-20 5475 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
  RSA499652  Cryptantha micrantha var. lepida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA511347  Cryptantha micrantha var. lepida B. Pitzer 1988-3-12 662 Riverside Santa Rosa Mtns., Pinyon Flats Campground. 1220 Comment
  JOTR33867  Cryptantha micrantha var. micrantha La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3052 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps 432 Comment
  UCR150974  Cryptantha micromeres D. L. Banks 1997-3-29 1636 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  RSA525672  Cryptantha microstachys Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4543 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
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Aug 22 2008
  RSA543909  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-22 6282 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  SD247355  Cryptantha microstachys A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35583 Riverside San Jacinto Mountains: Coldwater Creek watershed, ca. 1.25 miles ENE of Mountain Center, nameless tributary to Coldwater Creek, north of Johnson Meadow, above mapped spring. 1524 Comment
  UCR213616  Cryptantha microstachys A. C. Sanders, Matthew Malle 2010-4-23 38010 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR220123  Cryptantha microstachys D. E. Bramlet 1991-5-1 2106 Riverside Peninsular Range, tributary of Rawson Canyon, 5500 ft. south of Crown Valley & 2600 ft. east of Rawson Canyon 642 Comment
  POM368266  Cryptantha muricata Lester H. Cushman 1933-4-20 s.n. Riverside Corona 274 Comment
  RSA771789  Cryptantha muricata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4883 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
  UCR108475  Cryptantha muricata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16200 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  CLARK-A1528-2227  Cryptantha muricata var. jonesii John C. Roos 1950-4-15 4732 Riverside Reche Canyon 792 Comment
  RSA0079269  Cryptantha muricata var. jonesii Steve Boyd 1992-5-15 7409 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  RSA0079420  Cryptantha muricata var. jonesii Steve Boyd 1991-5-7 6163 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA703811  Cryptantha nevadensis LeRoy Gross 2005-3-3 1597 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UCR52019  Cryptantha nevadensis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2138 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA5435  Cryptogramma acrostichoides C. B. Wolf 1932-8-5 3978 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  CLARK-A1528-427  Cucurbita palmata Charlotte Stocks 1964-8-15 Riverside La Quinta Comment
  RSA792480  Cucurbita palmata Justin M. Wood, Dustin Ray 2011-4-28 3849 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  RSA0048447  Cucurbita palmata A. Lee Haines 1974-4-9 s.n. Riverside Crystal Springs Canyon, Chuckwalla Mountains. 640 Comment
  CAS-BOT-BC224403  Cuscuta californica No date on label s.n. Riverside Strawberry Valley Comment
  UCR113852  Cuscuta pentagona Mitch Provance, A. C. Sanders 2000-7-4 2105 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  JEPS47116  Cuscuta salina W. L. Jepson 1901-5-31 1570 Riverside near Elsinore; Temescal Wash 335 Comment
  SBBG30056  Cuscuta subinclusa L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonio wash at Southern Pacific Railroad, San Gorgonio Pass 640 Comment
  RSA0031144  Cylindropuntia chuckwallensis Marc Baker, Michelle Cloud-Hughes, Glenn Rink, Dina Robertson, Neal Kramer 2011-5-1 17305 Riverside Chuckwalla Mountains, 62km WSW of Blythe, 1km west of Chuckwalla Spring. UTM datum in NAD83. Lat-Long datum in WGS84. 600 Comment
  SEINET5624467 Image available Cylindropuntia chuckwallensis Marc A. Baker 2012-4-9 17533 Riverside East of Red Canyon 7.5' USGS topographic quadrangle, along Salt Creek, 17.5km WNW of Black Butte in the Chuckwalla Mountains, 18km SE of Chiriaco Summit 498 Comment
  RSA0097198  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2015-7-12 18412 Riverside San Gorgonio River, 2.5 km SW of Cabazon, 28 km WNW of central Palm Springs. 538 Comment
  IRVC5332  Cyperus eragrostis B. Freeman 1968-5-21 680521 1 Riverside UCR campus; wet drainage gulley below Watkins House. southern coastal 305 Comment
  RSA554094  Cyperus eragrostis Chet McGaugh 1991-6-20 91 -3 Riverside Murrieta Hot Springs area: ca. 1 mile E of Highway I-215, S of and adjacent to Murrieta Hot Springs Road. 348 Comment
  UCR92057  Cyperus involucratus Scott D. White 1996-3-31 3853 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UCR272473  Cyperus laevigatus Mitch Provance 2012-8-1 712- 03 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  UC489280  Cystopteris fragilis C. V. Meyer 1928-7-26 535 Riverside Deer Springs; San Jacinto Mt 2987 Comment
  CLARK-A1656-872  Dalea emoryi Jim Cornett 1977-6-25 Riverside Desert Hot Springs 374 Comment
  RSA796027  Dalea mollis Duncan S. Bell 2009-4-18 237 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  RSA644208  Dalea mollissima V. W. Steinmann 1999-10-26 1413 Riverside foothills of the Chuckwalla Mountains, open desert ca. 0.5 km south of Desert Center. 275 Comment
  UCR5569  Dalea mollissima O. F. Clarke 1966-10-5 661005- 12 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  SEINET259017  Dasypyrum villosum B. L. Johnson G 850 Riverside CULTIVATED; Grown at: University of California Los Angeles Comment
  RSA526086  Datisca glomerata Steve Boyd, Timothy S. Ross 1990-5-11 4659 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA792556  Datura discolor Duncan S. Bell 2012-9-13 4183 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  CSUSB772  Datura meteloides Nancy Atha 1963-3-21 3-21-63 7 Riverside Southwest side of hill at the corner of Madison St. and Victoria Ave. in (city of) Riverside. 274 Comment
  RSA770445  Datura wrightii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4555 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JEPS12592  Deinandra fasciculata W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1576 Riverside Temescal Wash Comment
  CAS-BOT-BC294108  Deinandra kelloggii Steve Boyd; Tim Ross; Dave Bramlet 1992-9-9 7691 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega 670 Comment
  SD236199  Deinandra mohavensis Marsia Narog, Mark Parlow 2008-8-13 Riverside Peninsular Range; San Jacinto Mtns.: Poppet Flats, NW of Poppet Flats Road, west intersection of Ellis Dr. and Fox Dr. 1086 Comment
  JEPS38269  Deinandra paniculata W. L. Jepson 1901-5-17 1226 Riverside Comment
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May 15 2011
  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
  SEINET6051330  Deinandra paniculata Robert Allen, Allen, Linnel 2008-7-27 Riverside Santa Ana Mountains. South Main Divide Road, 4.7 road mi SE of junction with Ortega Hwy (SR74). Just south of the gated entrances to Rancho Capistrano Housing Developments. 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
  SEINET238578  Delphinium parishii George K. Helmkamp 1998-6-27 4116 Riverside Santa Rosa Mtns.: 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. below Mountain Home Spring. 1799 Comment
  RSA0018982  Delphinium parishii subsp. parishii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2143 Riverside Santa Rosa Mountains. Comment
  RSA0018983  Delphinium parishii subsp. parishii I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  CAS-BOT-BC121423  Delphinium parryi subsp. parryi Edmund C. Jaeger 1932-5-12 s.n. Riverside Sage, south of Hemet. 762 Comment
  SD144438  Delphinium parryi subsp. parryi Scott D. White 1997-5-25 5230 Riverside Bautista Canyon: Hixon Trail between trailhead at Bautista Canyon Road and intermittent stream crossing 975 Comment
  UCR149979  Delphinium parryi subsp. parryi Scott D. White, Angelia Carey 2004-5-7 10324 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  RSA400030  Delphinium patens subsp. hepaticoideum J. C. Marvin 1921-4-1 s.n. Riverside Near Banning. Comment
  RSA516746  Dendromecon rigida subsp. rigida Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  RSA519205  Dendromecon rigida subsp. rigida M. Lee Overholtzer 1962-7-4 291 Riverside n end of Cleveland National Forest; roadside on Skyline Drive between Voits cabin and tv-radio station. 1311 Comment
  RSA586332  Dendromecon rigida subsp. rigida D. L. Banks, S. D. Boyd 1995-5-3 197 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  CAS-BOT-BC198166  Deschampsia danthonioides Philip A. Munz 1941-5-18 16645 Riverside 15 miles northeast of Temecula Comment
  UC489085  Descurainia obtusa subsp. adenophora C. V. Meyer 1928-7-26 522 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  CAS-BOT-BC43357  Descurainia pinnata subsp. glabra Ynez Whilton Winblad 1937-2-2 s.n. Riverside Coachella Valley. Comment
  POM369389  Descurainia pinnata subsp. glabra Ora M. Clark 1932-3-17 s.n. Riverside N of La Quinta, Colorado Desert. Comment
  UCR201668  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-19 12272 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  CAS-BOT-BC402296  Dicentra chrysantha Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA329752  Dicentra chrysantha Gary D. Wallace 1966-4-16 468 Riverside Scandia Canyon betw. Murrieta and De Luz along De Luz Cr. Santa Ana Mtns. 701 Comment
  SD185234  Dicentra chrysantha T. B. Salvato, John F. Green 2004-5-27 704 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA740651  Dichelostemma capitatum Scott D. White, Justin M. Wood 2008-6-19 12269 Riverside Meadows at Baldy Mtn. 1585 Comment
  HSC82902  Dichelostemma capitatum subsp. capitatum B. Pitzer 1986-2-22 18 Riverside Whitewater Canyon 0.5 mi. N of Fish Hatchery, San Bernardino Mtns., 5 mi. N of Hwy. 10 on Whitewater Canyon Rd. 732 Comment
  RSA367460  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-3-24 1001 Riverside Banning. 701 Comment
  UCR82893  Dicoria canescens A. C. Sanders, C. L. Sanders, S. D. White 1994-10-9 15805 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SEINET9347382  Dicoria canescens Unknown 1976-10-15 Riverside Riverside Comment
  RSA69813  Digitaria ischaemum J. C. Roos 1951-9-25 5276 Riverside Fairmount Park 259 Comment
  SD243250  Diplachne fusca var. uninervia Mike Lahti 2008-12-12 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. Comment
  UCR259226  Distichlis spicata Mitch Provance 2012-4-20 412- 05 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  CLARK-A1528-2693  Ditaxis lanceolata John C. Roos 1940-3-30 894 Riverside Whitewater Comment
  POM122228  Ditaxis lanceolata Theodore Labochere 1915-04 204 Riverside Borders on the Colorado Desert along the easterly base of San Jacinto Mountain, not far from Palm Springs; near the mouth of Chino Canyon. Comment
  POM199145  Ditaxis lanceolata Donald A. Johansen, J. A. Ewan 1932-4-11 7068 Riverside Mouth of Tahquitz Canyon. Comment
  RSA444478  Ditaxis lanceolata J. C. Roos 1965-6-23 s.n. Riverside Cactus City: just east of Mecca Hills on I-10 Comment
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Mar 20 2011
  JOTR35055  Ditaxis neomexicana La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3507 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  CAS-BOT-BC43650  Dithyrea californica J. Von Loh 1978-1-23 3317 Riverside Palo Verde Mesa, 12 miles west of Blythe. 121 Comment
  UCR249501  Dithyrea californica T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7292 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  POM95407  Dithyrea californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SEINET7073337  Dodecatheon clevelandii A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  RSA508242  Downingia cuspidata R. F. Thorne 1974-5-23 44682 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
  CAS-BOT-BC41633  Draba corrugata var. saxosa J. Ewan 1930-9-1 s.n. Riverside Summit of Mount San Jacinto. 3293 Comment
  UCR279363  Draba cuneifolia A. C. Sanders, Jim Malusa 2017-3-24 42963 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  POM14161  Draba cuneifolia var. integrifolia P. A. Munz, D. D. Keck 1922-4-9 4781 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  POM8518  Draba cuneifolia var. integrifolia Mary F. Spencer 1920-3-24 1477 Riverside Indian Wells 122 Comment
  POM366541  Drymocallis glandulosa var. viscida H. E. Hasse 1894-7-4 s.n. Riverside [Unspecified] Comment
  RSA33796  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  UC1080652  Dudleya lanceolata L. W. Lenz and H. Metcalf 1957-6-7 22623 Riverside ca 15 mi s Hemet (along Hwy 79) Comment
  UCR251938  Dudleya lanceolata Harun Bektas 2011-4-26 12 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCR262569  Dudleya pulverulenta T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3752 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA209565  Dudleya saxosa subsp. aloides T. Beck 1968-4-28 680428 -8 Riverside 1/2 mi. S of trout farm on White Water Canyon Rd. At point where the river crosses the road. 549 Comment
  SBBG95086  Dudleya saxosa subsp. saxosa B. Gaut 1989-5-25 Riverside N fork of the San Jacinto River where it crosses Hwy 74, E of Hemet 609 Comment
  UCR211721  Dysphania botrys Fred M. Roberts, D. E. Bramlet 2005-6-6 6246 Riverside Perris Basin, San Jacinto Valley, San Jacinto River Wash, just west of SR 79 overpass, 1.4 km west-southwest of Gilman Hot Springs 442 Comment
  RSA94385  Dyssodia porophylloides F. W. Peirson 1919-4-14 1411 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  SEINET8060783 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 14 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north 900 Comment
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Jun 5 2016
  SEINET3071816  Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17500 Riverside Queen Mountain quadrangle, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  RSA0125246  Echinocereus engelmannii var. engelmannii H. G. Rush 1951-6-6 184 Riverside Big Maria Mountain Range. 35 miles north of Blythe on Highway 95. 91 Comment
  SACT001024  Echinochloa colona Malcolm Nobs, S. Smith 1948-9-3 Riverside 2 miles north of Indio. Bases of stems procumbent, rooting at nodes. Dense shade. Abundant. Comment
  SBBG94680  Echinochloa colona S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 airline mi SW of Temecula; T8S, R 3W on line between S 22 and 27 374 Comment
  UCR189543  Echinochloa crus-galli Fred M. Roberts, S. Leatherman 2007-9-19 6580 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  POM148751  Echinodorus berteroi J. B. Feudge 1927-6-1 1621 Riverside Lake Mystic. Comment
  RSA788870  Eleocharis G. D. Wallace 2003-7-8 4032 Riverside Hidden Lake. Comment
  RSA729912  Eleocharis acicularis Robert F. Thorne 1973-5-23 43850 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  CAS-BOT-BC112744  Eleocharis geniculata A. C. Sanders; P. MacKay; G. Helmkamp; J. Stewart; C. L. Sanders 1994-12-1 15888 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity. -30 Comment
  SEINET7586289 Image available Eleocharis macrostachya Steve Boyd, Dave Bramlet 1996-4-19 8612 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
  UCR193956  Eleocharis macrostachya A. C. Sanders 2008-7-25 35888 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  RSA768246  Eleocharis palustris Justin M. Wood 2010-5-19 1844 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  JOTR00975  Eleocharis parishii Cole, James E. 1941-5-27 810 Riverside Joshua Tree National Park. BARKER DAM Comment
  UC188950  Elymus elymoides subsp. elymoides H. M. Hall 1899-5-25 1177 Riverside El Toro region San Jacinto Mountains Comment
  UC38180  Elymus elymoides subsp. elymoides H. M. Hall 1897-8-11 821 Riverside Lake Surprise San Jacinto Mountains (shores) 2499 Comment
  UCR156351  Elymus glaucus T. B. Salvato, Kent Beaman 2005-5-16 876 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
  RSA591814  Elymus glaucus subsp. glaucus E. W. Lathrop 1973-6-28 7438 Riverside Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR83238  Elymus glaucus subsp. jepsonii N. M. Fellows 1983-6-28 s.n. Riverside San Jacinto Mtns, 1/2 mi below Boulder Basin Campground, Black Mountain 2256 Comment
  RSA16506  Emmenanthe penduliflora Percy C. Everett 1935-6-17 7152 Riverside Santa Ana Mts, Coldwater Canyon Trail to Santiago Peak, 2 miles above Glen Ivy Resort. 610 Comment
  RSA25342  Emmenanthe penduliflora C. L. Hitchcock 1940-4-1 5900 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  SD137736  Emmenanthe penduliflora Darin L. Banks, Steve Boyd 1995-5-3 221 Riverside Agua Tibia Wilderness Area. East of the Dripping Springs Alcove Area; Arroyo Seco. 1640 Comment
  UC666588  Emmenanthe penduliflora Harlan Lewis 1942-5-3 1608 Riverside 1 mi W Pinyon Flats (Calif Highway 74) Comment
  UCR174128  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato 2006-6-2 33086 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
  UCR900  Emmenanthe penduliflora Grace Sprague 1968-5-3 s.n. Riverside San Jacinto Mountains, Banning-Idyllwild Road 5.6 mi below Twin Pines turn-off 854 Comment
  LA205860  Encelia actoni Norman C. Cooper; 1944-5-20 2627 Riverside San Jacinto Mountains, Palms to Pines Highway 914 Comment
  RSA28641  Encelia actoni Louise Kellogg, A. M. Alexander 1941-5-18 2197 Riverside 2 miles NE of Cottonwood Spring, Eagle Mtns. Comment
  RSA688855  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR104194  Encelia actoni Scott D. White 1997-5-25 5225 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  SDSU3821  Encelia californica S. J. Barnhart 1966-4-17 660417 -17 Riverside South-west facing slope of small hill 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Untility Road (dirt), which is 1.5. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UC111153  Encelia californica F. M. Reed 1905-4-10 796 Riverside Arlington Heights Comment
  CHSC46063  Encelia farinosa Troy Griffiths 1988-4-1 104 Riverside Vic. of Living Desert Reserve, ca. 3 mi se of Palm Desert. 45 Comment
  RSA613658  Encelia farinosa D. L. Banks, Victor Steinmann 1997-3-13 1462 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
  RSA695714  Encelia farinosa Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  RSA703817  Encelia farinosa LeRoy Gross 2005-3-3 1607 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W to 33.72053N, 115.11051W 207 Comment
  RSA775597  Encelia farinosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 796 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UC1922403  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR100290  Encelia farinosa B. G. Pitzer 1997-4-20 3176 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR120933  Encelia farinosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24933 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR41600  Encelia farinosa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6032 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  POM19630  Encelia farinosa var. farinosa Mary F. Spencer 1923-6-5 2207 Riverside Soboba Hot Springs, near San Jacinto. 549 Comment
  POM356682  Encelia farinosa var. farinosa L. S. Rose 1967-12-19 67180 Riverside La Quinta. 15 Comment
  POM356695  Encelia farinosa var. farinosa Gus Gluechert 1937-4-12 s.n. Riverside Palm Springs. Comment
  POM356698  Encelia farinosa var. farinosa Norman C. Cooper 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  SDSU13898  Encelia farinosa var. farinosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2159 Riverside Santa Margarita Ecological Reserve (SDSU), along north-south running dirt road. 396 Comment
  NY70336  Ephedra aspera C. L. Hitchcock 1940-3-29 s.n. Riverside Cottonwood Canyon Comment
  POM119732  Ephedra californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  POM299276  Ephedra californica A. M. Alexander, Louise Kellogg 1941-5-15 2183 Riverside north base of Eagle Mountains. 915 Comment
  UC407312  Ephedra californica LeRoy Abrams 1903-4-6 3204 Riverside Palm Springs Comment
  SDSU3654  Ephedra viridis J. Godsil 1952-4-30 154 Riverside Palms-to-Pines Highway, on desert side 853 Comment
  CSUSB251  Epilobium adenocaulon var. parishii Lynn Baasch 1971-5-16 Riverside University of California, Riverside campus; Hill south of reservoir, which is south of Picnic Hill. Unnatural running water. Comment
  UCR266604  Epilobium campestre Mitch Provance 2011-6-6 17003 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  RSA335023  Epilobium canum subsp. latifolium Steve Boyd 1985-8-7 1109 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  RSA38355  Epilobium canum subsp. latifolium P. A. Munz 1946-10-19 11563 Riverside Coahuila. 1098 Comment
  RSA588337  Epilobium ciliatum subsp. ciliatum E. A. McGregor 1964-9-16 s.n. Riverside Idyllwildm San Jacinto Mountains. Comment
  CLARK-A1528-3380  Epipactis gigantea John C. Roos 1948-4-24 3793 Riverside Whitewater 609 Comment
  RSA34529  Equisetum laevigatum Norman C. Cooper 1944-4-8 1054 Riverside Andreas Canyon 305 Comment
  UC38340  Eragrostis cilianensis H. M. Hall August, 1899 1366 Riverside Riverside Comment
  RSA595260  Eragrostis curvula var. conferta D. L. Banks, Elizabeth Hedge Banks 1996-5-2 965 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road; along the W side of the road next to a citrus orchard. 399 Comment
  UC577615  Eragrostis minor H. S. Yates 1937-6-28 6731 Riverside Palm Springs; San Jacinto Quad. Comment
  JOTR32131  Eremalche exilis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2287 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  UCR77742  Eremalche exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6032 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  SBBG99224  Eremalche rotundifolia W. L. Halvorson 1977-2-5 77 -16 Riverside near the jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SD113836  Eremalche rotundifolia Darley F. Howe 1949-3-21 1972 Riverside 5.0 miles west of Blythe. Comment
  CAS-BOT-BC160054  Eremothera boothii subsp. condensata Javier Penalosa 1963-4-10 2788 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC160057  Eremothera boothii subsp. condensata Mrs. R. W. Campbell 1922-3-12 34 a Riverside Palm Springs Comment
  CAS-BOT-BC160064  Eremothera boothii subsp. condensata F. H. Billings 1926-2-1 31 Riverside Near Indio Comment
  RSA0110540  Eriastrum densifolium subsp. austromontanum I. W. Clokey, E. G. Anderson 1935-8-21 6829 Riverside East of Keen Camp P. O. 1350 Comment
  UC1787319  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, ca. 500 m south of terminal loop of campground road, along east bank of creek 487 Comment
  UCR126206  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, c. 500 m south of terminal loop of campground road, along east bank of creek 488 Comment
  SD258974  Eriastrum diffusum subsp. coachellae Sarah J. De Groot 2005-5-16 4968 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. Broad but shallow washes through Bajada of Little San Bernardino Mountains. 495 Comment
  UCR174561  Eriastrum sapphirinum Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  RSA0122974  Eriastrum sapphirinum subsp. sapphirinum H. M. Hall 1901-08 2635 Riverside San Jacinto Mountains. The south side. 1585 Comment
  UC1861747  Ericameria brachylepis Scott D. White 2004-10-8 10774 Riverside Peninsular Ranges: Black Hills southeast of Lake Skinner and north of Oak Mountain. 609 Comment
  UCD131304  Ericameria cuneata Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-24 255 Riverside east of south end of Marion Ridge Road, Pine Cove, Idyllwild, San Jacinto Mountains. 1828 Comment
  UCR137350  Ericameria cuneata 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
  UCR150031  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside San Jacinto Mtns, North of Alvin Meadow near USFS Road 5S10 (Red Hill Road) 1677 Comment
  POM301817  Ericameria linearifolia James E. Cole 1942-5-10 956 Riverside Joshua Tree National Monument. 1341 Comment
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Jul 4 2010
  POM359407  Ericameria linearifolia Gary D. Wallace 1966-3-26 239 Riverside Whitewater Canyon on mesa 427 Comment
  RSA358580  Ericameria linearifolia Larry E. DeBuhr 1972-3-24 533 Riverside Santa Rosa Mts. along forest road 7S02 in San Bernardino National Forest 1768 Comment
  UCR174948  Ericameria linearifolia Jennifer H. Jones, Toby Bartels 2006-4-23 274 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR272497  Ericameria nauseosa Mitch Provance 2013-6-18 613- 32 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  RSA602647  Ericameria nauseosa var. bernardina Scott D. White 1996-8-16 4488 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  UCR180130  Ericameria palmeri var. pachylepis Mitch Provance 2003-4-26 9891 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  CAS-BOT-BC299544  Ericameria paniculata P. A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument 1066 Comment
  UCR238029  Ericameria pinifolia Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2046 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  RSA720457  Erigeron breweri var. covillei Naomi Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1693 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1585 Comment
  RSA674938  Erigeron foliosus Scott D. White, Bill La Haye 2000-5-27 7961 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR140725  Erigeron foliosus A. C. Sanders 2004-5-12 27880 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  CAS-BOT-BC296233  Erigeron foliosus var. foliosus Edmund C. Jaeger 1932-5-12 s.n. Riverside Sage of Hemet 762 Comment
  UCR170021  Eriochloa contracta O. F. Clarke 2003-9-1 s.n. Riverside Peninsular Range, Riverside, UCR Botanical Garden, along wheelchair trail NW of rose garden 351 Comment
  UCR59841  Eriochloa contracta George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  CLARK-A1528-2968  Eriodictyon californicum John C. Roos 1947-3-15 3340 Riverside San Jacinto Mountains 609 Comment
  SEINET4344743  Eriodictyon crassifolium K. Seydel 1987-5-23 26 Riverside San Jacinto Mountains; off Highway 74, 5.1 miles up the mountain past Bee Canyon Road 914 Comment
  UC729542  Eriodictyon crassifolium Carl B. Wolf 1932-5-24 3650 Riverside 1/2 mi below Fish Hatchery (Snow Creek Canyon, n base of San Jacinto Mts.); n base of San Jacinto Mts., Snow Creek Canyon 548 Comment
  SEINET7048168  Eriodictyon crassifolium var. crassifolium Steven R. Hill 2001-5-3 33674 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
  SD80106  Eriodictyon crassifolium var. nigrescens Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-24 397 Riverside Water service road above crossing of Deep Canyon, north slope Santa Rosa Mountains. 1317 Comment
  UCR131829  Eriodictyon trichocalyx Jennie Phui 1998-5-30 029 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  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
  RSA0034268  Eriogonum John F. Emmel 1982-11-10 836 Riverside Ramona Expressway, at south edge of the Bernasconi Hills, near Lake Perris. 487 Comment
  RSA783133  Eriogonum J. D. Olmsted 1959-9-23 1004 Riverside Pines to palms Hwy 2 mi. S of Hemet Lake 1372 Comment
  CAS-BOT-BC248638  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  SBBG61840  Eriogonum apiculatum R. Hoffmann 1929-9-8 Riverside near Tahquitz Pk Comment
  SEINET2055761 Image available Eriogonum baileyi var. baileyi A. C. Sanders, P. MacKay, T. Thomas, G.f. Prall, C. Pierce 1997-10-12 21586 Riverside Northern Mojave Desert; China Lake Naval Weapons Station, Argus Range, Bircham Springs Picnic area .Homewood Canyon) 1691 Comment
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Aug 28 2016
  JOTR35460  Eriogonum davidsonii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 63 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop4) Comment
  POM244786  Eriogonum davidsonii E. C. Jaeger 1938-5-14 s.n. Riverside Covington Flats, Joshua Tree National Monument. 1280 Comment
  UCR243181  Eriogonum davidsonii A. C. Sanders 2013-7-6 40842 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Valley View Dr. toward Crestview Dr., at intersection with N-S road of unknown name 1680 Comment
  UCR60526  Eriogonum davidsonii B. A. Prigge 1980-8-25 4021 Riverside San Jacinto Mtns, San Gorgonio Pass: 1 mi SE of Fingal siding, So. Pacific RR 445 Comment
  RSA554244  Eriogonum deflexum var. deflexum Theo Glenn 1991-5-30 91 -120 Riverside Mule Mtns, 0.2 mi. E of the Opal Hill Mine, just N of the Imperial County line and W of Palo Verde. Comment
  UC511830  Eriogonum elongatum var. elongatum Frank W. Peirson 1933-4-15 10651 Riverside 4 1/2 mi above the bridge; Whitewater River 701 Comment
  UC68576  Eriogonum fasciculatum var. flavoviride H. M. Hall May, 1903 6003 Riverside Cottonwood Pass 731 Comment
  POM319085  Eriogonum fasciculatum var. foliolosum Patricia Wilder 1971-5-13 4951 Riverside Prado Flood Control Basin; along bank at east end of top of Prado. 198 Comment
  RSA393433  Eriogonum fasciculatum var. foliolosum Josephine Derigo 1941-7-21 s.n. Riverside Railroad Canyon, Elsenor. Comment
  RSA0123106  Eriogonum fasciculatum var. polifolium Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9013 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA296187  Eriogonum fasciculatum var. polifolium Barry A. Prigge 1980-8-5 3825 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  RSA741743  Eriogonum fasciculatum var. polifolium M. Wall 2008-10-6 496 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  POM319088  Eriogonum gracile var. gracile Patricia Wilder 1971-9-29 5257 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  RSA736551  Eriogonum gracile var. gracile Scott D. White, Angelia Carey 2004-7-2 10582 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  JOTR29523  Eriogonum heermannii var. argense La Doux, Tasha, Mike Bell 2006-9-6 1583 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam Comment
  RSA0048244  Eriogonum molestum var. davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  CAS-BOT-BC269780  Eriogonum nudum var. pauciflorum H. M. Hall 1901-7-1 2504 Riverside San Jacinto Mountains 1645 Comment
  LA206959  Eriogonum nudum var. pauciflorum W. Pequegnat; 1937-9-3 129 Riverside Santa Ana Mountains, Bedford Rd 1645 Comment
  RSA679189  Eriogonum nudum var. pauciflorum Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1455 Riverside East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  JOTR32842  Eriogonum plumatella La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1631 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  CAS-BOT-BC33969  Eriogonum plumatella var. jaegeri Edmund Carroll Jaeger 1921-11-5 251 Riverside Dry Morongo Wash, near Hole-in-the-Wall Spring Comment
  JOTR34122  Eriogonum pusillum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2736 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  SEINET11938232  Eriogonum reniforme Unknown 1936-1 12838 Riverside Colorado Desert 5mi N of Palm Springs Comment
  JEPS56189  Eriogonum thomasii W. L. Jepson 1927-4-13 11689 Riverside Mouth of Painted Canyon Mecca Hills, Painted Canyon 45 Comment
  POM123039  Eriogonum thomasii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SBBG81504  Eriogonum thomasii S. A. Junak 1983-3-23 1622 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SD103935  Eriogonum thomasii J. L. S. Simpson 1965-5-14 Riverside Toward the New York Mountains Comment
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Mar 23 2014
  SD103946  Eriogonum thomasii J. L. S. Simpson 1968-3-21 Riverside Near Amboy Crater Comment
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Mar 17 2014
  UCR196356  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  CAS-BOT-BC263535  Eriogonum thomasii Catherine A. Toschi 1963-4-10 63 :115 Riverside Boyd Desert Research Center 5 miles south of Palm Desert 304 Comment
  SBBG65514  Eriogonum thurberi P. A. Munz, I. M. Johnston 1928-9-6 11278 Riverside Santa Ana River, Ontario-Corona Rd Comment
  UCR139377  Eriogonum thurberi I. M. Johnston 1917-4-4 s.n. Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  UCR259112  Eriogonum wrightii subsp. subscaposum John F. Emmel 1994-9-25 1356 Riverside Penonsular Range; San Jacinto Mountains, Black Mountain Scenic Area; along Pacific Crest Trail, on ridge NNE of Black Mountain 2226 Comment
  JEPS56104  Eriogonum wrightii var. membranaceum Carl V. Meyer 1928-8-1 616 Riverside south Saunder's Meadow Comment
  RSA125206  Eriogonum wrightii var. membranaceum E. K. Balls, Percy C. Everett 1957-8-20 22674 Riverside Hamilton Grade along rd. from Palms to Pines Hwy to Aguanga. 1463 Comment
  RSA17896  Eriogonum wrightii var. membranaceum C. M. Dammers 1933-12 s.n. Riverside Gavilan Hills. Comment
  UCR281864  Eriogonum wrightii var. nodosum A. C. Sanders, Jim Malusa 2017-9-19 43337 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 5 km SW (214 deg. ) of Tabaseca Tank 767 Comment
  SEINET7048174  Eriophyllum ambiguum var. ambiguum Steven R. Hill 2001-5-3 33680 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  CAS-BOT-BC297349  Eriophyllum confertiflorum B. Pitzer 1997-4-1 3051 Riverside Lakeview Mts, ca 0.75 air miles SSW of Mt Rudolph, ca 1 air mile NE of Contour (Juniper Flats) Rd 655 Comment
  UCR160059  Eriophyllum confertiflorum Steve Boyd, Valerie Soza 2004-6-22 11550 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  UCR213521  Eriophyllum confertiflorum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38363 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
  UC1537022  Eriophyllum multicaule Gordon H. True Jr. 1935-3-19 130 Riverside 6 mi se Perris 487 Comment
  UCR51837  Eriophyllum multicaule M. B. Dunkle 1935-3-10 4355 Riverside Peninsular Range, Temescal Canyon 274 Comment
  POM305633  Eriophyllum wallacei Henry J. Ramsey, Henry J. Ramsey 1937-3-2 866 Riverside Betw Desert Center and Indio Comment
  RSA171396  Eriophyllum wallacei J. D. Olmsted 1962-5-3 3485 Riverside Along road on N side of Hemet Lake 1280 Comment
  RSA339653  Eriophyllum wallacei R. F. Thorne, C. W. Tilforth 1980-5-28 54231 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA729265  Eriophyllum wallacei R. F. Thorne 1973-3-30 42703 Riverside Mojave Desert: southeast end Johnson Valley, c. 20 mi north of Yucca Valley and 12 mi east-southeast of Old Woman Springs. 976 Comment
  SEINET7063448  Eriophyllum wallacei A. G. Vestal 1947-3-30 s.n. Riverside San Jacinto Valley Canyon. UTM Zone 11, 515372mE, 3732988mN. (WGS84/NAD83). 599 Comment
  UC69060  Eriophyllum wallacei H. M. Hall 1905-5-1 6012 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
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Oct 9 2010
  UCR100441  Erodium botrys B. G. Pitzer 1997-4-20 3205 Riverside Lakeview Mtns, Approximately 50 ft. east of intersection of Stagecoach Road with Juniper Flat Road. 534 Comment
  UCR149781  Erodium brachycarpum Scott D. White, Michael Honer 2004-4-6 10055 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  RSA576088  Erodium brachycarpum Christopher Davidson 1919-4-6 s.n. Riverside Gavilan Hills region, Estelle Mtn, near Summit. 823 Comment
  UCR26956  Erodium cicutarium E. W. Lathrop 1966-5-8 6485 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCR173930  Erodium macrophyllum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32566 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
  RSA703401  Erodium texanum LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1453 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR217555  Erodium texanum Jeff B. Galvin 2009-3-31 80 Riverside Peninsular Ranges, Oak Mountain, South slope of Oak Mountain. 4.5 km north of hwy 79 and 8 km west of Sage Rd. 622 Comment
  RSA0022958  Eschscholzia androuxii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4300 Riverside 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
  UC917873  Eschscholzia californica Frank W. Gould 1944-4-5 2224 Riverside 17 mi e Temecula Comment
  POM9572  Eschscholzia californica var. peninsularis P. A. Munz, R. D. Harwood 1920-2-28 3271 Riverside 3 miles west of Corona. 305 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
  HSC83355  Eschscholzia minutiflora Curtis Clark 1976-4-13 526 Riverside Mecca-Joshua Tree Rd., 7 mi. SW of junction with Hwy. 10 244 Comment
  JOTR35067  Eschscholzia minutiflora La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3519 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  POM13034  Eschscholzia minutiflora P. A. Munz 1922-4-13 4935 Riverside Eagle Mts, Colorado Desert. 213 Comment
  SEINET10476297  Eschscholzia minutiflora David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2899 Riverside Pushawalla canyon biota. Indio hills. In wash. Comment
  RSA0118598  Eschscholzia papastillii Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7642 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  RSA0124034  Eschscholzia papastillii Duncan S. Bell, LeRoy Gross 2016-3-10 8879 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  UCD110529  Eschscholzia papastillii Shannon M. Still 2009-2-21 435 -B Riverside California. Riverside County. 168 Comment
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Sep 2 2017
  UCD95437  Eschscholzia papastillii Curtis Clark 1976-4-13 527 Riverside Mecca-Joshua Tree Road, 7 miles southwest of junction with Interstate Highway 10. Comment
  RSA480087  Eschscholzia parishii Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2176 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA799408  Eschscholzia parishii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 738 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
  UC1060520  Eschscholzia parishii Richard Snow 1953-4-5 50 Riverside Corn Spring Comment
  UCR241514  Eschscholzia parishii A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40642 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  JOTR01022  Eschscholzia parishii Cole, James E. 1941-4-23 637 Riverside Joshua Tree National Park. WEST END OF PINTO BASIN 609 Comment
  RSA0022924  Eschscholzia parishii Richard Snow 1953-4-5 50 Riverside Corn Spring. Comment
  SEINET1906763  Eucalyptus A. C. Sanders, O. F. Clarke, A. M. Boyce, C. L. Sanders 1993-1 14220 Riverside Riverside, residential garden of A1 M. Boyce, 266 Frost Court. 360 Comment
  OBI69833  Eucalyptus globulus Jenn Yost and Matt Ritter, Matt Ritter 8-Apr 34 Riverside Temescal Canyon Rd and I5 S, old plantation Comment
  SEINET7048047  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill 2001-4-29 33521 Riverside South side of Route I-10 right-of-way, 0.2 mile west of Desert Lawn Road exit, Calimesa. At small drainage culvert, San Timoteo Wash. Elevation about 2314 feet. Comment
  UCR149996  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Angelia Carey 2004-4-16 10191 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  SD137702  Eulobus californicus Darin L. Banks, Steve Boyd 1995-5-3 233 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA651894  Euphorbia Marion P. Harthill 1971-3-19 8 Riverside Palm Desert. Comment
  SD181548  Euphorbia Louis C. Wheeler 1952-4-5 6850 Riverside Neat Canyon east of Painted Canyon. Comment
  UCR239859  Euphorbia O. F. Clarke 2003-1 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR101407  Euphorbia albomarginata A. C. Sanders, K. C. Rose 1998-9-29 22239 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  CDA35314  Euphorbia eriantha G. D. Barbe 1978-5-3 2377 Riverside Chuckwalla Mountains; Corn Springs Wash at end of road, 3.2 miles west of Corn Springs Campground. 0 Comment
  POM249992  Euphorbia palmeri E. C. Jaeger 1928-05 s.n Riverside Pinon Alta Flats, Riverside county Comment
  UC219065  Euphorbia palmeri P. A. Munz 1922-6-28 5882 Riverside ridge w Toro Peak; Santa Rosa Mts. 2407 Comment
  UCR102049  Euphorbia polycarpa B. G. Pitzer 1997-10-19 3353 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR107449  Euphorbia polycarpa B. G. Pitzer 1997-10-19 3360 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR129150  Euphorbia polycarpa Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR166872  Euphorbia polycarpa 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
  UCR213926  Euphorbia polycarpa Naomi Fraga, Lisa Rojas 2005-2-10 1377 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR281923  Euphorbia polycarpa A. C. Sanders, Jim Malusa 2017-9-21 43350 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  RSA392121  Eustoma exaltatum Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  SD122734  Euthamia occidentalis Patricia Wilder 1970-10-30 4841 Riverside East of Chino Hills, road on south side of Prado Flood Control Basin, east side of Prado Dam, ca. 0.5 miles east of Dam Tender's residence 149 Comment
  CAS-BOT-BC167376  Fagonia laevis Edmund C. Jaeger 1920-3-31 s.n. Riverside Hills south of Palm Springs Comment
  UC867880  Fagonia laevis P. A. Munz and D. Keck Apr 9 1922-Apr 22 1922 4790 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  UCR86858  Fagonia laevis A. C. Sanders, K. Rose 1995-4-27 16739 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  UCSB8693  Fagonia laevis Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  UC571105  Fagonia pachyacantha Margaret Stason 1927-3-12 Riverside Painted Canyon; Colorado Desert Comment
  RSA439062  Ferocactus cylindraceus var. lecontei M. B. Dunkle 1933-5-6 3420 Riverside Colorado Desert. Dry Morongo Creek. Comment
  UCR162764  Festuca myuros S. J. Myers, John F. 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
  UCR174097  Festuca myuros A. C. Sanders 2006-5-19 32464 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
  UCR90808  Festuca octoflora A. C. Sanders, G. K. Helmkamp 1996-3-17 17993 Riverside Coachella Valley, Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits, 2 mi. east of Date Palm Dr. and 2 mi. south of Ramon Rd 98 Comment
  RSA751920  Ficus carica Scott D. White, Justin M. Wood 2009-5-22 12924 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  UCR48507  Filago arizonica Steve Boyd 1986-4-10 1642 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon: Along DePalma Road between Indian Truck Trail & Horsethief Canyon, 1.0 mi east of the Indian Truck Trail exit of Hwy I-15. 381 Comment
  RSA729268  Filago californica R. F. Thorne, M. Z. Thorne 1973-3-30 42686 -b Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA776223  Filago californica Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 866 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR117676  Filago californica Scott D. White 1997-5-25 5228 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR174567  Filago californica Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-21 310 Riverside Peninsular Ranges: Box Springs Mtns., Box Springs Mountain Reserve. First trail on the left beyond the parking lot along the service road 793 Comment
  RSA593702  Filago gallica Steve Boyd, David E. Bramlet 1996-4-19 8624 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
  RSA667032  Forestiera pubescens A. C. Sanders, Mark A. Elvin, M. S. Enright 2002-4-16 24967 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont. 549 Comment
  RSA756345  Forestiera pubescens O. F. Clarke 2005-10-15 s.n. Riverside Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge. 215 Comment
  UCSB4142  Fouquieria splendens Hurd, Richard 1956-4-14 Riverside 2 miles S of S. Entrance of Joshua Tree Comment
  SEINET238487  Frankenia salina A. C. Sanders, D. Malueg; K. D. Jones et al 2000-9-8 23638 Riverside Perris-Aguanga Basin Region: French Valley gasline right of way just south of Los Alamos/Thompson Rd. on the east side 409 Comment
  RSA586949  Frasera parryi D. L. Banks, Steve D. Boyd 1995-5-30 478 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N Flank of Agua Tibia Mountain, along the Dripping Springs Trail; at first saddle area in section 34, NNE of the two peaks of Agua Tibia Mountain. 963 Comment
  JEPS42945  Fraxinus velutina Marjorie D. Clary 1932-7-4 1206 Riverside canyons above Ribbonwood (between Pinyon and Vandeventer Flats); Santa Rosa Mountains 1371 Comment
  RSA704546  Funastrum hirtellum LeRoy Gross 2005-3-3 1575 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA799405  Funastrum hirtellum Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 742 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
  SEINET10580704  Funastrum hirtellum Unknown 1992-4-4 Sanders 12155 Riverside McCoy Mountains, with 1/2 mi of McCoy Spring 244 Comment
  UCR198191  Funastrum hirtellum Michael Honer, L. Hulse 2004-4-3 1890 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  SD237293  Funastrum utahense Dave Silverman 2010-3-30 7886 Riverside UTM in supplement. East bajada flank of southern McCoy Mtns, 1 km west of Black Creek Rd, 7.8 km east of McCoy Pk, and 4.8 km N of I-10. 164 Comment
  RSA0127736  Galium andrewsii M. M. Fuller 1993-5-8 s.n. Riverside S of Beaumont, about 2 mi S of [Interstate] 10 and 1 mi E of [Highway] 79. Comment
  UCR114752  Galium angustifolium Scott D. White, D. E. Bramlet 1999-5-19 7369 Riverside Lake Skinner area, Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 762 Comment
  POM319092  Galium angustifolium subsp. angustifolium Patricia Wilder 1971-5-13 4943 Riverside Prado Flood Control Basin; at top of Prado Dam on west end. 229 Comment
  SDSU14282  Galium angustifolium subsp. angustifolium Ryan Jacobson, Jeremy Mass 2000-4-19 7 Riverside Santa Margarita Ecological Reserve. Near banks west bank of Stone Creek, about 1 mile north east of south-side facility. 177 Comment
  RSA0011081  Galium angustifolium subsp. angustifolium J. D. Abrams 1901-05 13433 Riverside Elsinore. Comment
  RSA779947  Galium angustifolium subsp. gracillimum Duncan S. Bell, Jennifer Pilapil 2011-5-19 2477 Riverside A small side canyon off of Mission Creek canyon approximately 3.5 air miles up canyon from the junction of Highway 62 and Mission Creek Road; just northwest of gaging station. 795 Comment
  UC28175  Galium aparine H. M. Hall June 1901 2283 Riverside Strawberry Val. San Jacinto Mts. Comment
  JOTR34087  Galium munzii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2935 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  RSA543617  Galium porrigens Steve D. Boyd 1991-5-7 6152 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  SD186324  Galium porrigens Andy C. Sanders, Mike Misenhelter 2005-3-23 29266 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  CAS-BOT-BC494159  Galium porrigens var. porrigens Valerie Soza; Steve Boyd 2004-6-22 1728 Riverside San Jacinto Mountains, Forest Service Rd 5S13 1463 Comment
  UCR21145  Galium stellatum Don Emery 1980-3-20 s.n. Riverside Sonoran (Colorado) Desert, NE end of Orocopia Mtns, SW of Chiriaco Summit 534 Comment
  UCR262253  Garrya veatchii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3747 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  POM15056  Gayophytum diffusum subsp. parviflorum Mary F. Spencer 1922-7-2 703 Riverside Idyllwild, San Jacinto Mountains. 1524 Comment
  UC20259  Gayophytum diffusum subsp. parviflorum H. M. Hall June, 1901 2279 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  UCR23532  Gayophytum diffusum subsp. parviflorum John C. Roos 1937-8-18 2529 Riverside San Jacinto Mtns, Round Valley 2744 Comment
  OBI2987  Geraea canescens Lewis S. Rose 1967-12-20 67183 Riverside 6 mi SE of Thousand Palms 15 Comment
  RSA696891  Geraea canescens Anonymous s.n. Riverside Palm Spring. Comment
  RSA80970  Geraea canescens G. R. Campbell 1952-4-6 18419 Riverside Box Canyon, road leading from Hwy 60-70 to Salton Sea. 457 Comment
  SBBG22981  Geraea canescens D. Myrick 1965-3-4 1075 Riverside near Palm Desert 152 Comment
  UCR90169  Geraea canescens R. W. Scora 1966-4-1 3015 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  RSA70499  Geranium carolinianum F. W. Peirson 1922-4-10 2859 Riverside Murray Canyon, near Palm Springs. 305 Comment
  UCR157615  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 184 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA550024  Gilia angelensis W. Wisura, A. King, Lydia Newcomb 1992-4-10 4673 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  RSA605202  Gilia angelensis A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16171 Riverside Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Hwy 111 (Palm Canyon Dr.) 490 Comment
  RSA67729  Gilia angelensis Verne Grant, Alva Grant 1952-3-31 17515 Riverside Palm Canyon. Comment
  UC1979549  Gilia angelensis Darin L. Banks, Steve Boyd 1995-5-9 413 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. Area, W of Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UC52726  Gilia angelensis H. M. Hall 1902-4-18 2905 Riverside above Sage; above Sage Comment
  UCR26505  Gilia angelensis A. C. Sanders, S. Hagopian 1981-5-20 2148 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR48387  Gilia angelensis Steve Boyd 1986-4-22 1776 Riverside Gavilan Hills, Plateau remnant of ridge east of Estelle Mountain, south of Dawson Canyon. 671 Comment
  CLARK-A1045-94  Gilia capillaris George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains 6 miles west of Pine Cove; on dirt road near North Fork of the San Jacinto River; ; Lake Fulmor 7.5'Q 1676 Comment
  RSA700028  Gilia capitata Scott D. White, Michael Honer 2003-4-25 9108 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  POM3526  Gilia capitata subsp. abrotanifolia L. T. Street s.n. Riverside Temecula Canyon. Comment
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Mar 27 2011
  RSA171379  Gilia diegensis J. D. Olmsted 1962-5-3 3537 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  SEINET14643582  Gilia diegensis H. M. Hall 2913 Riverside Vicinity of Winchester. 457 Comment
  UCR193266  Gilia ochroleuca A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35571 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1585 Comment
  CAS-BOT-BC407607  Gilia ochroleuca subsp. exilis B. Trowbridge 1979-4-13 6071 a Riverside 5 miles E of Temecula off Hwy 71 762 Comment
  UC879805  Gilia ochroleuca subsp. exilis K. Watkins and E. McClintock 1937-4-9 Riverside pasture 1 mi w San Jacinto; w of San Jacinto Comment
  POM13578  Gilia scopulorum P. A. Munz, D. D. Keck 1922-4-12 4837 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  UCR237483  Gilia scopulorum Duncan S. Bell 2010-3-20 601 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  JOTR33776  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2928 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (stop 2) Comment
  JOTR35058  Gilia stellata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3510 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  SBBG18148  Gilia stellata C. B. Hardham 1962-3-18 8925 Riverside E side of Salton Sea, St Hwy 195 Comment
  RSA92591  Githopsis diffusa subsp. diffusa J. C. Roos 1952-5-24 5710 Riverside Burn on hills north of Moreno. 503 Comment
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May 20 2011
  SD144464  Glycyrrhiza lepidota G. Ballmer 1996-5-19 Riverside E of Murrieta: near margin of Warm Springs Creek, adjacent to Hwy I-15 right-of-way 366 Comment
  UCR113847  Glycyrrhiza lepidota Mitch Provance 2000-8-5 2181 Riverside Riverside, East side of N Main St, c. 100 yards before the Riverside Ave/ Main St bridge crossing the Santa Ana River. 259 Comment
  UCR44227  Gnaphalium canescens subsp. microcephalum A. C. Sanders 1986-6-1 6542 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  POM48727  Gnaphalium chilense I. M. Johnston 1924-7-29 8834 Riverside 6 miles SE of Poppet Flats, San Jacinto Mountains. 1524 Comment
  UCR174241  Gnaphalium luteoalbum A. C. Sanders, T. B. Salvato 2006-6-2 33078 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
  RSA192005  Gnaphalium microcephalum H. A. Zuill 1966-7-7 280 Riverside San mateo canyon, 9-10 miles SW of Murrieta. Comment
  CDA23611  Gnaphalium palustre Don Domenigoni 2008-9-3 s.n. Riverside Winchester, 33011 Holland Rd., at Hwy 79 and Rawson Rd. 0 Comment
  UCR172230  Gnaphalium palustre John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR117334  Gnaphalium stramineum Mitch Provance 1998-6-11 665 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  RSA0120474  Grayia spinosa Duncan S. Bell 2016-3-13 8930 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  RSA659722  Gutierrezia bracteata J. C. Roos 1965-9-26 s.n. Riverside Rocky point near Palm Springs Station. Comment
  SBBG95150  Gutierrezia californica S. D. White 1990-10-2 Riverside St Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UC1213986  Gutierrezia californica Otto T. Solbrig 1958-8-21 2774 Riverside on Hwy 74 18.3 mi e Keen Kamp Comment
  UCR235216  Gutierrezia californica A. C. Sanders, John F. Green 2012-6-1 40242 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  RSA648085  Gutierrezia californica var. bracteata J. C. Roos 1940-9-2 222 Riverside New Jackrabbit trail. 3 or 4 mi. W of Beaumont. Comment
  UC1118589  Gutierrezia sarothrae A. Lewis 1933-1-26 137 Riverside Cactus Valley San Jacinto Quadrangle 640 Comment
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Mar 20 2011
  SEINET10757036  Haplopappus David B. Dunn 1947-9-1 Dunn 3508 Riverside Collected from dry banks near Palms, Pushawalla Canyon, Indio Hills. Comment
  HSC85268  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Temescal Canyon: E side of Indian Wash, S of I-15. Comment
  UCR151247  Harpagonella palmeri Steve Boyd 2001-4-12 10414 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South 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
  UCR48477  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon: Along DePalma Road between Indian Truck Trail & Horsethief Canyon, 1.0 mi east of the Indian Truck Trail exit of Hwy I-15. 381 Comment
  RSA0066607  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-16 3029 Riverside Vail lake Area, 0.5 mi WNW of dam, S flank Oak Mt. 487 Comment
  RSA0066624  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temescal Canyon: Along DePalma Rd between Indian Truck Trail and Horsethief Canyon. 1 mi. E of Indian Truck Trail. Comment
  RSA0066626  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA761939  Hazardia squarrosa var. grindelioides Robt Allen, Linnell R. Allen, Charles Allen 2005-10-9 12528 Riverside El Cariso, junction of North Maine Divide Road (3S04) with Ortega Hwy (SR74), SW corner. 795 Comment
  UCR1443  Hedypnois cretica Joyce Kleinjan 1961-4-23 s.n. Riverside San Bernardino Valley, Riverside, west border of 1012 Spruce St., 150 ft. south of street [O.F. Clarke residence] 351 Comment
  RSA0071984  Helianthemum scoparium J. M. Andre 2012-6-15 30521 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  UCR111776  Helianthus annuus subsp. lenticularis Mitch Provance 1998-5-4 1717 Riverside Riverside (Rubidoux), Belltown area, 'gravel pits' just south of 26th St. and Hall Ave. 250 Comment
  SBBG45071  Helianthus californicus I. W. Clokey with E. G. Anderson 1935-8-21 6934 Riverside N fork of San Jacinto River 1500 Comment
  RSA180439  Helianthus gracilentus E. W. Lathrop 1965-5-7 5705 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  SDSU13700  Heliotropium curassavicum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita River, near aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of section 27. 247 Comment
  VVC2321  Heliotropium curassavicum var. oculatum Tim Thomas 2011-10-17 5522 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  RSA736248  Hemizonia fasciculata Scott D. White, Justin M. Wood 2008-4-3 11801 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  RSA736956  Hemizonia mohavensis Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 23 Riverside W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation. 1215 Comment
  UCR217558  Hemizonia mohavensis Jeff B. Galvin 2009-7-14 94 Riverside Peninsular Ranges, San Jacinto Mountains, Chimney Flats, along Old Control Road 1383 Comment
  RSA656543  Hemizonia paniculata A. C. Sanders 2000-5-25 23423 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR116478  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2001-5-25 24380 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
  UCR151128  Hemizonia paniculata Scott D. White 1998-10-9 7170 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  UCR250581  Hemizonia paniculata A. C. Sanders 2013-6-20 40835 Riverside Peninsular Range, Alberhill, along powerline route parallel to 'new' Nichols Rd. extension, NE of Terra Cotta 398 Comment
  UCR202221  Hemizonia pungens subsp. laevis 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
  UCR89822  Hemizonia pungens subsp. pungens Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR120196  Herniaria hirsuta subsp. cinerea Mitch Provance 1998-3-6 144 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  RSA550339  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4649 Riverside Lowdesert: 0.5 mile S of I-10 along Wileys Well Road. Comment
  UCR201665  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-19 12264 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  SD122178  Heteromeles arbutifolia James C. Dice, Ruth Miller 1987-11-23 754 Riverside Santa Margarita Ecological Reserve: Temecula Gorge, north bank of Santa Margarita River, just east of aqueduct crossing. 245 Comment
  RSA0072394  Heteromeles arbutifolia Steve Boyd, Tim Ross, L. Arnseth 1990-3-30 3959 Riverside Vail Lake area, westerly draining canyon a N base of 'Big' Oak Mtn. 640 Comment
  CAS-BOT-BC318911  Heterotheca grandiflora Lewis S. Rose 1945-12-23 45299 Riverside Palm Springs, Colorado Desert 137 Comment
  RSA160436B  Heterotheca sessiliflora subsp. echioides J. D. Olmsted 1959-8-18 801 Riverside May Valley Truck trail at crest W of S ridge of Tahquitz Peak, SE of Desert Sun School, Idyllwild, alt 5800ft. San Jacinto Mts, 1768 Comment
  UCSB37816  Heterotheca sessiliflora subsp. echioides 1965-8-18 Riverside Thomas Valley, San Jacinto Mtns. Comment
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Feb 27 2007
  RSA0124820  Hibiscus denudatus Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8752 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  RSA95299  Hibiscus denudatus F. W. Peirson 1922-4-9 2900 Riverside Palm Canyon Region, near Palm Springs. Comment
  CAS-BOT-BC312336  Hieracium albiflorum Edmund C. Jaeger 1921-6-29 s.n. Riverside Idyllwild, San Jacinto Mts. 1584 Comment
  UCD166276  Hilaria rigida Jack Major 1962-4-17 790 Riverside On Hwy 74, near Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 770 Comment
  UCR214699  Hilaria rigida A. C. Sanders 2010-3-23 37544 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCD115106  Hirschfeldia incana K. Esau 1935-6-15 s.n. Riverside location unknown. Comment
  CAS-BOT-BC206104  Hoffmannseggia microphylla C. Epling; Wm. Robison; Wm. Stewart 1936-3-22 s.n. Riverside Painted Canyon, near Mecca Comment
  CAS-BOT-BC207559  Hoffmannseggia microphylla Aven Nelson; Ruth Nelson 1939-3-28 3310 Riverside In the road-side swales, between Mecca and Hidden Springs Comment
  CAS-BOT-BC207569  Hoffmannseggia microphylla John Thomas Howell 1928-3-25 3543 Riverside Painted Canyon [Canon] Comment
  UC1930042  Holcus lanatus Scott D. White, Justin Wood 2008-6-16 12108 Riverside San Jacinto Mountains: Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  UCR55321  Holocarpha virgata subsp. elongata L. F. LaPre 1988-7-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, at the begining of Oak Hill Trail, Nature Conservancy Preserve Comment
  RSA680515  Holodiscus microphyllus var. sericeus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8638 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA797260  Holodiscus microphyllus var. sericeus Robert F. Thorne, Walter Wisura 1977-9-17 50798 Riverside San Jacinto Mountain: summit. 3293 Comment
  HSC46430  Hordeum brachyantherum subsp. californicum Christopher Davidson 1977-5-25 5637 Riverside Mesa de Burro, Santa Rosa Plateau area of the Santa Ana Mtns. 701 Comment
  RSA736245  Hordeum depressum Scott D. White, Justin M. Wood 2008-4-3 11804 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  CAS-BOT-BC526876  Hordeum intercedens D. E. Bramlet 1991-4-29 2080 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: 6.5 km W of Hemet & c. 0.4 km W of jct with Florida Ave./Hwy 74 & Warren Rd 457 Comment
  RSA564766  Hordeum intercedens A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  UCR104092  Hordeum intercedens D. E. Bramlet 1996-5-4 2465 Riverside San Jacinto Valley, San Jacinto Wildlife Area, at the entrance to Marsh A, approximately 15 m from the southern levee of Pond No. 1, approximately 1.5 km NE of the reserve entrance at Davis Road 433 Comment
  UC64512  Horkelia clevelandii H. M. Hall 1901-6-1 2291 Riverside Meadows in the vicinity of Strawberry Valley; San Jacinto Mountains 1615 Comment
  RSA0018952  Horkelia clevelandii Robert F. Thorne, Walter Wisura 1977-9-17 50775 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA0018953  Horkelia clevelandii Elbert Benjamine 1929-5-18 225 Riverside Mt. San Jacinto. 1220 Comment
  UCR37729  Hornungia procumbens A. C. Sanders 1985-3-7 5403 Riverside San Jacinto Valley, salt scald in barley fields c. 1/4 mi south of the intersection of Bridge St. and Gilman Springs Rd. 457 Comment
  CLARK-A1528-1949  Hulsea heterochroma John C. Roos 1947-3-15 3325 Riverside San Jacinto Mountains 1066 Comment
  LA203770  Hulsea vestita subsp. callicarpha Jonathan Sauer; H. Walter 1980-5-17 280 Riverside James San Jacinto Mountains Reserve, Near Lake Fulmor Comment
  RSA5897  Hulsea vestita subsp. callicarpha C. B. Wolf 1932-8-5 3970 Riverside Along Trail from Tahquitz Valley to San Jacinto Peak, above the small stream and wet meadow feeding Tahquitz Creek. 2895 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
  POM4806  Hymenoclea salsola Marjorie Shaw 1916-03 s.n. Riverside Palm springs Comment
  UCR41307  Hymenoclea salsola N. M. Fellows, A. C. Sanders 1985-4-9 161 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
  JOTR30094  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  UC872029  Hypericum anagalloides I. W. Clokey and E. G. Anderson 1935-8-21 6833 Riverside N. Fork San Jacinto R. 1500 Comment
  UCR241191  Hypochaeris glabra T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 371 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  CAS-BOT-BC219744  Hyptis emoryi Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs [Spring] Comment
  CHSC101905  Hyptis emoryi Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10463 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
  CHSC745  Hyptis emoryi V. Holt 1942-3-27 Riverside Blythe. 91 Comment
  UCR281906  Hyptis emoryi A. C. Sanders, Jim Malusa 2017-9-21 43357 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCSB17914  Hyptis emoryi Winn, Will 1963-2-23 Riverside Ladder Canyon, 9 miles E of Mecca, Coachella Valley 213 Comment
  SEINET13948495 Image available Hyptis emoryi N. Dunn, A. M. Martin 1932-1 Riverside Box Canon Comment
  RSA0115579  Imperata brevifolia N. R. Zabriskie 1973-4-6 629 Riverside South side stream downstream from juncture with North Canyon. Andreas Canyon, east slope San Jacinto Mtns. 365 Comment
  UCR151125  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  JEPS42715  Isomeris arborea W. L. Jepson 1928-4-25 12615 Riverside ne of Mecca (Cottonwood Spr.); Colorado Desert, Cottonwood Spr. 731 Comment
  UCR210  Juglans californica Eugene Cardiff 1950-3-15 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mtns.] 518 Comment
  CAS-BOT-BC414251  Juglans hindsii R. E. Riefner, Jr. 2014-10-1 14 -363 Riverside City of Lake Elsinore, S of Lincoln St., W of Hwy. 74 at Flannery St. 402 Comment
  SD237483  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37143 Riverside Peninsular Range: Box Springs Mountains Foothills: cultivated in UCR Botanical Garden (Riverside East 7.5'Q) 345 Comment
  JEPS74123  Juncus acutus subsp. leopoldii D. P. Barrows 1898-1 5 d Riverside Coahuilla Valley region Comment
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Sep 23 2009
  IRVC2015  Juncus balticus R. H. Whittaker, W. A. Niering 1963-6-6 SJ 248 Riverside 5509, Bee Canyon. San Jacinto Mountains 610 Comment
  UCR108208  Juncus balticus D. L. Banks 1997-11-15 2196 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UCR116907  Juncus bufonius A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23966 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR159817  Juncus bufonius Chris E. True, Robert Cox 2005-6-22 s.n. Riverside San Jacinto Mtns., north slope of the mountains near Azalea Creek, about 0.5 mile SW of the Twin Pines Ranch buildings 1067 Comment
  UCR199637  Juncus bufonius Scott D. White, Justin M. Wood 2008-4-3 11803 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR21523  Juncus bufonius Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  SD146108  Juncus bufonius var. congestus A. C. Sanders, K. C. Rose 1999-6-18 22827 Riverside Domenigoni Valley,upper Warm Springs Ck,bet. Hwy 79(Winchester Rd)&Scott Rd,Domenigoni Ranch,S of Winchester;Winchester 7.5' quad. Silty alkaline loam in flat valley bet. low hills. In mud along drying ck margins in dense herbs bet. old fields. 433 Comment
  SEINET11789580  Juncus effusus M. F. Spencer 1921-1 11 Riverside Saboba Hot Springs, San Jacinto Mountains Comment
  UC842783  Juncus macrandrus Crawford and Johnston 1917-6-9 1232 Riverside near Corona; Santa Ana River Comment
  RSA697811  Juncus macrophyllus J. Russell Bruff 1934-6-19 541 Riverside Spring ground in Pinon belt. Comment
  RSA368247  Juncus mexicanus L. C. Wheeler 1933-12-2 2321 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  POM1607  Juncus oxymeris D. L. Crawford, I. M. Johnston 1917-6-9 1232 Riverside Santa Ana River near Corona Comment
  POM172033  Juncus oxymeris F. M. Reed 1928-7-15 6021 Riverside Strawberry Creek below Idyllwild, San Jacinto Mountains. 1494 Comment
  RSA502192  Juncus textilis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3700 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake Comment
  UCR174256  Juncus textilis A. C. Sanders, T. B. Salvato 2006-6-2 33076 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
  RSA717678  Juniperus californica A. C. Sanders 2004-5-5 27773 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak 579 Comment
  SEINET5778468 Image available Juniperus californica Marcus E. Jones 1882-1 3175 Riverside San Jacinto Comment
  SEINET10867013  Juniperus californica Huron H. Smith 1912-1 Smith 5482 Riverside Santa Rosa Mountains. Comment
  JOTR31775  Justicia californica Andre, Jim, Tasha La Doux 2009-3-10 11245 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA304957  Justicia californica S. Carlquist 1982-4-18 15672 Riverside 2.2 miles north of entrance (from highway 10) to Joshua Tree National Monument. Comment
  RSA663896  Justicia californica C. R. Annable 1995-3-12 2273 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  SFV6305  Justicia californica T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 44 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  UCSB50616  Justicia californica Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Rd., 7 miles southwest of junction with Chuckwalla Rd. 457 Comment
  UCR163060  Kallstroemia californica B. G. Pitzer, G. R. Ballmer 2000-10-14 4218 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  POM4283  Keckiella antirrhinoides Jenkins, Street 1917-5-30 s.n. Riverside San Jacinto River Canyon. Comment
  RSA660491  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  UCR225613  Keckiella antirrhinoides A. C. Sanders 2011-3-30 38921 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCSB41257  Keckiella antirrhinoides Cowan, Clark 1978-4-25 Riverside 6.7mi(10.7 km) SW on 74 from jct w/ 71; 4.6 mi(7.3 km) from Lake Elsinore; Sta. Ana Mts; Cleveland Nat. Forest Comment
  RSA583570  Keckiella antirrhinoides subsp. antirrhinoides Steve D. Boyd 1995-4-24 8496 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  LA209282  Keckiella antirrhinoides var. antirrhinoides W. E. Pequegnat; April 1937 24 Riverside Santa Ana Mountains, Glen Ivy Comment
  RSA0019429  Keckiella ternata subsp. ternata Philip A. Munz 1922-6-27 5852 Riverside Santa Rosa Mountains. 2012 Comment
  UCD86079  Koeleria macrantha F. M. Reed 1920-6-14 4432 Riverside San Jacinto Mts., ridge west of Idyllwild. 1676 Comment
  CAS-BOT-BC61425  Krameria bicolor John Thomas Howell; Martha Hilend 1928-4-15 171 Riverside Coachella Valley near Thousand Palms Comment
  CAS-BOT-BC61426  Krameria bicolor Annie M. Alexander; Louise Kellogg 1941-5-20 2207 Riverside Eagle Mountain Pumping Station Road 457 Comment
  LA45678  Krameria bicolor S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  RSA3960  Krameria erecta Carl B. Wolf 1932-4-29 3098 Riverside mesas at Western edge of Maria Mts., eastern Colorado Desert, 20 mi. from Blythe on Rice road. 152 Comment
  CLARK-A1528-567  Krameria grayi I. Rauch 1968-4-9 Riverside Palm Desert Comment
  SEINET229295  Krameria grayi L. M. Shultz, JS Shultz 1985-4-17 8305 Riverside Southern extension of the Big Maria Mountains 98 Comment
  SEINET8753900 Image available Krameria grayi Carl B. Wolf 1932-1 2986 Riverside Colorado desert. 14 miles east of Mecca on Blythe Road (E. of Shavers Well) 152 Comment
  UCR241416  Lamium amplexicaule T. B. Salvato 2013-3-22 7388 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  RSA576085  Lamium amplexicaule Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, upper Dawson Canyon, just west of the Gavilan Plateau. T4S R5W SE/4 NW/4 sec. 33. 610 Comment
  RSA795949  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-19 268 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SEINET3004983  Langloisia setosissima subsp. setosissima G. Rink, M. Baker 2011-4-1 10410 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  CAS-BOT-BC166017  Larrea tridentata Geo. B. Grant 1906-4-8 6724 Riverside Palm Springs Comment
  RSA727007  Larrea tridentata Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1444 Riverside Along Palen Road near Hwy 177. 170 Comment
  SD259066  Larrea tridentata Sarah J. De Groot, Cheryl Sevilla 2016-6-16 7654 Riverside Mecca Hills: mouth of Painted Canyon, SW side of Mecca Hills, NE of Mecca, W of Box Canyon, NE of Coachella Canal, NE of powerline, near mouth of Skeleton Canyon. 52 Comment
  UC452607  Larrea tridentata F. M. Reed 1917-5-19 3943 Riverside vicinity Riverside (Palm Canyon); Palm Canyon Comment
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May 1 2011
  UCSB9620  Larrea tridentata Hawkins, L. 1956-4-13 Riverside Dry stream bank in Whitewater Canyon Comment
  CAS-BOT-BC354219  Lasthenia coronaria L. R. Abrams 1935-4-7 13668 Riverside Gavilan Hills 2 mi S.W., Perrin Comment
  JEPS10177  Lasthenia gracilis W. L. Jepson 1901-5-17 1229 Riverside vicinity Riverside Comment
  RSA585980  Lasthenia gracilis Adree M. Desrochers 1990-4-19 472 Riverside Near Lake Matthews, along Cajolco Road, on hills on the N side of road, 5.3 km E of intersection Hwy 15 and Cajalco Road Comment
  RSA654618  Lasthenia gracilis Lydia Paneri 1982-4-17 39 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  RSA736568  Lasthenia gracilis Keith E. Hoffmaster 1935-3-3 839 Riverside Near Santa Ana River, north of Arlington. Comment
  SD239604  Lasthenia gracilis John F. Green 2008-4-15 0408 16 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 Street (Steele Peak 7.5'Q) 483 Comment
  UCR167421  Lasthenia gracilis John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR202227  Lasthenia gracilis 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
  CSUSB977  Lathyrus laetiflorus Pam Maynard 1974-5-26 Riverside Mount San Jacinto Mount San Jacinto- Idyllwild. Mount San Jacinto Park- campground #14 1828 Comment
  UCR16264  Lathyrus vestitus Rodney Hendrick 1965-5-2 s.n. Riverside Perris-Aguanga Basin, 5 mi. west of Aguanga on Hwy 71 610 Comment
  UCR177935  Lathyrus vestitus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 034 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA90289  Lathyrus vestitus subsp. alefeldii F. W. Peirson 1922-4-28 2946 Riverside Leach Canyon Near Lake Elsinore. 549 Comment
  SD119903  Layia platyglossa Louis B. Ziegler 1966-6-21 49 Riverside San Jacinto Mountains, meadowy slope between Mountain Center and Keen Camp Summit. 1449 Comment
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May 31 2013
  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
  UCR266809  Layia platyglossa Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 04 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UCR84637  Layia platyglossa Scott D. White, S. Ogg 1994-4-21 1989 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA395943  Layia platyglossa subsp. campestris Steve Boyd 1986-3-9 1394 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. Comment
  SD6338  Lemna Unknown 1881-5-13 Riverside Temecula. Comment
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Mar 27 2011
  POM14283  Lemna gibba Philip A. Munz 1922-4-30 5138 Riverside Tucalota Creek, south of Hemet Comment
  RSA633881  Lemna gibba Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38150 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1615 Comment
  UCR141332  Lemna minor R. F. Thorne, J. -P. Simon, C. W. Tilforth 1969-6-24 38151 Riverside San Jacinto Mtns, San Bernardino National Forest. Lake Fulmor 1677 Comment
  POM184744  Lepidium fremontii C. L. Hitchcock 1932-4-8 12211 Riverside 1 mile west of Cottonwood Springs. Comment
  UCR200259  Lepidium fremontii var. fremontii J. M. Porter, Orlando Mistretta 2003-6-5 13608 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  CAS-BOT-BC89584  Lepidium lasiocarpum C. L. Hitchcock 1940-3-31 5884 Riverside 0.5 mile below Cottonwood Spring. Comment
  POM47119  Lepidium lasiocarpum Mary F. Spencer 1918-4-12 764 Riverside Palm Springs 137 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
  UCR275229  Lepidium lasiocarpum subsp. lasiocarpum Allison D. Rudalevige 2012-5-2 003 Riverside Temecula, adjacent to Murrieta Creek, along Diaz Diaz Rd. between Winchester Rd. and Black Deer Loop 311 Comment
  RSA642807  Lepidium lasiocarpum var. lasiocarpum R. F. Thorne 1963-3-29 32422 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA678114  Lepidium lasiocarpum var. lasiocarpum V. Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1089 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UC494748  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz and C. L. Hitchcock 1932-4-9 12227 Riverside White Tanks, e Riverside County White Tanks Comment
  CAS-BOT-BC158125  Lepidium latifolium Abby Sirulnik 2000-5-4 38 Riverside Hidden Valley Wildlife Area; 11401 Arlington Ave., Riverside; along the Santa Ana River near La Sierra 244 Comment
  UCR108833  Lepidium latifolium O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR104626  Lepidium latipes var. latipes D. E. Bramlet 1997-3-13 2494 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Nichols Road Wetlands, c. 275-335m SE of Nichols Road, 91m west of Collier Ave. and 196-305 m west of the I-5, east of the dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  RSA516883  Lepidium nitidum Steve Boyd 1986-3-1 1368 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR22134  Lepidium nitidum Steve Boyd 1980-5-22 298 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  CAS-BOT-BC12720  Lepidium oblongum Lewis S. Rose 1957-1-3 57001 Riverside La Quinta. 15 Comment
  UCR167863  Lepidium virginicum T. B. Salvato, John F. Green 2004-5-27 645 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA276729  Lepidium virginicum var. pubescens John F. Emmel 1978-6-18 607 Riverside San Jacinto Mts.; Strawberry Creek, SW of Idyllwild 1555 Comment
  UCR258873  Lepidium virginicum var. robinsonii T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7909 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
  UCR3284  Lepidium virginicum var. robinsonii T. R. Plumb 1964-2-23 s.n. Riverside San Bernardino Valley Region, Box Springs Mountains, small hill east of Sugarloaf 442 Comment
  RSA87136  Leptochloa fusca subsp. uninervia F. W. Peirson 1924-12-30 5404 Riverside Thousand-Palms Canyon, north side of Coachella Valley. 122 Comment
  RSA0020037  Leptochloa panicea subsp. mucronata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6021 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
  UCR107736  Leptochloa uninervia John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR37447  Leptochloa uninervia Steve Boyd 1981-4-8 s.n. Riverside Gavilan Plateau, Lake Mathews Road, south of Gavilan Peak 640 Comment
  SDSU3131  Leptodactylon californicum Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  SEINET1906295  Leptodactylon californicum Sarah J. De Groot, Elizabeth A. Kempton 2006-1 5211 Riverside Along Hwy 243, N slope of San Jacinto Mountains. 730 Comment
  JEPS69870  Leptodactylon pungens W. L. Jepson 1914-5-18 6003 Riverside Pinion Well Canyon n Indio (Mts. of the Pinion Well); , Pinion Well Canyon 762 Comment
  POM10236  Leptosiphon lemmonii Charlotte M. Wilder 1905-4-9 579 Riverside Wilder's canon, Juniper [Jurupa] Hills. Comment
  POM364723  Leptosiphon lemmonii E. C. Jaeger 1921-6-16 s.n. Riverside Strawberry Valley. 1585 Comment
  RSA468532  Leptosiphon liniflorus N. C. Cooper 1944-5-20 2651 Riverside Palm Springs. 137 Comment
  SD152785  Leptosiphon parviflorus Steve Boyd, Orlando Mistretta 1992-4-23 7070 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA92574  Leptosiphon pygmaeus subsp. pygmaeus J. C. Roos 1952-5-7 5619 Riverside Box Springs Mountains, north of Canyon Crest Heights 488 Comment
  SD215408  Leptosyne californica Steve Boyd, Tim Ross and Laurel Arnseth 1990-3-30 3974 Riverside Vail Lake area, valley betweenBlack Hills and Rocky Ridge. 701 Comment
  POM197771  Lessingia glandulifera var. glandulifera John T. Howell 1927-8-2 2909 Riverside Idyllwild, near Strawberry Valley. San Jacinto Mts. Comment
  RSA126644  Leymus condensatus H. S. Yates 1937-6-27 6712 Riverside Lower San Jacinto River Canyon. 640 Comment
  RSA234036  Lilaea scilloides Robert F. Thorne, E. W. Lathrop 1969-6-6 39346 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  UCR217561  Lilium humboldtii subsp. ocellatum Jeff B. Galvin 2008-6-26 72 Riverside Peninsular Ranges, Santa Ana Mountains, Horse Thief Canyon, 1.3 km SE of Trabuco Peak 955 Comment
  UCR193127  Limnanthes gracilis subsp. parishii A. C. Sanders, Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA192343  Linanthus androsaceus subsp. luteolus E. W. Lathrop 1967-5-14 310 Riverside 12 miles SW of Murriet in Tenaja Canyon just below Fisherman's Camp. Comment
  JOTR32137  Linanthus aureus subsp. aureus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2293 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  POM364702  Linanthus bigelovii Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA543152  Linanthus bigelovii Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6021 Riverside Vail Lake region, alluvial benches along Kolb Creek, S of Hwy 79 at Jtn w/ Woodchuck Rd. 494 Comment
  HSC35458  Linanthus californicus J. D. Ackerman, A. M. Montalvo 1975-6-26 528 Riverside Hwy. 74 between Lake Elsinor and San Juan Capistrano, near upper San Juan Campground Comment
  RSA511356  Linanthus californicus B. Pitzer, E. Misquez 1988-3-20 667 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  SD119887  Linanthus californicus Louis B. Ziegler 1967-4-18 116 Riverside Foothills of San Jacinto Mountains, on Poppet Flat Road. 914 Comment
  SD140026  Linanthus californicus Scott White 1993-3-15 1189 Riverside Elsinore; Highway 74, just west of northwest corner of Lake Elsinore. Comment
  UCR31808  Linanthus floribundus Steve Boyd 1982-3-11 s.n. Riverside Brown Canyon, Brown Canyon 7 miles SE of Hemet 701 Comment
  RSA0107843  Linanthus jonesii Duncan S. Bell, Thomas Stoughton 2010-3-19 583 Riverside Central section of the Arica Mountians; in the vicinity of Priest Mine. 460 Comment
  JEPS58459  Linanthus lemmonii Marjorie D. Clary 1932-7-3 975 Riverside near Hemet Lake; Colorado Desert 1341 Comment
  UCR35062  Linanthus lemmonii L. B. Ziegler 1967-6-21 164 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  RSA339649  Loeseliastrum matthewsii R. F. Thorne, C. W. Tilforth 1980-5-28 54234 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA468343  Loeseliastrum schottii Christopher Davidson 1979-4-4 7682 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  UC23704  Loeseliastrum schottii W. G. Wright 1889-1 1767 Riverside Colorado Desert Comment
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Aug 28 2012
  UCR78448  Logfia arizonica Scott D. White 1993-4-22 1266 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  JOTR28878  Logfia depressa La Doux, Tasha, Bill Truesdell 2004-3-11 1036 Riverside Joshua Tree National Park. Pinto Basin; sand hills 530 Comment
  UCR276654  Logfia depressa Jim Andre 2015-3-6 33548 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  JOTR35133  Logfia filaginoides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3245 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  UCR207622  Lolium perenne subsp. multiflorum O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  RSA613151  Lomatium dasycarpum D. L. Banks 1997-4-5 1659 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  UCR80526  Lomatium dasycarpum Scott D. White 1992-4-19 92- 129 Riverside San Jacinto Mountains, Garner Valley near Kenworthy Station Comment
  JOTR16546  Lomatium mohavense Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF JUMBO ROCKS Comment
  CAS-BOT-BC240673  Lonicera interrupta Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UCR100040  Lonicera interrupta Scott D. White 1994-4-23 2049 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR101401  Lonicera interrupta A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22215 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  RSA406724  Lotus argophyllus subsp. argophyllus B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1481 Riverside Murray Canyon, Palm Springs 457 Comment
  RSA602485  Lotus grandiflorus var. grandiflorus Scott D. White 1996-8-16 4486 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  UCR90368  Lotus hamatus Scott D. White 1995-6-30 3429 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR120807  Lotus humistratus Ian G. Gillespie 2000-4-19 8 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  UCR228834  Lotus humistratus A. C. Sanders, T. B. Salvato 2011-4-27 39333 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  RSA761686  Lotus nevadensis Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 702 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM12874  Lotus nevadensis var. nevadensis P. A. Munz 1922-7-6 6017 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR89768  Lotus purshianus Scott D. White 1993-5-27 1425 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  UC219551  Lotus purshianus var. purshianus P. A. Munz 1922-7-4 5968 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  RSA6122  Lotus scoparius var. brevialatus C. B. Wolf 1932-5-25 3692 Riverside 1/4 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 671 Comment
  UC597639  Lotus scoparius var. brevialatus Philip A. Munz 1937-5-31 15115 Riverside Anza Tablet, at head of Coyote Canyon, sw Riverside County Coyote Canyon 1066 Comment
  UCR20970  Lotus scoparius var. brevialatus A. C. Sanders 1980-5-2 1427 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR97894  Lotus strigosus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19851 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR18154  Lotus strigosus var. hirtellus A. C. Sanders 1978-4-1 00333 Riverside Santa Rosa Mtns, Pinyon Flats area, east side of Sugarloaf Mountain above Highway 74 1220 Comment
  POM28287  Lotus strigosus var. strigosus Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  POM6857  Lotus strigosus var. tomentellus P. A. Munz, L. T. Street, G. Williams 2319 Riverside mouth of Palm Canyon 213 Comment
  UCR166547  Lotus strigosus var. tomentellus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10888 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA560357  Lotus tomentellus Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6915 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  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
  POM11523  Lotus unifoliolatus P. A. Munz 1922-7-4 5968 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  RSA406281  Lotus unifoliolatus Christopher Davidson 1977-5-25 5664 Riverside Mesa de Burro Santa Rosa Plateau area of Santa Ana Mountains. 701 Comment
  RSA395900  Lotus wrangelianus Steve Boyd 1986-4-22 1765 Riverside Terrace escarpment W side of Indian Wash, S of I -15. Comment
  RSA356739  Lupinus agardhianus R. F. Thorne 1973-5-23 45531 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  POM266081  Lupinus arizonicus C. L. Hitchcock 1940-4-4 5961 Riverside Pinto Basin. Comment
  RSA249450  Lupinus arizonicus John F. Emmel 1973-3-19 415 Riverside 1 road mile ESE of Corn Springs, Corn Springs Wash, Chuckwalla Mountains. 457 Comment
  RSA776643  Lupinus arizonicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1100 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center 413 Comment
  UCR138567  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1463 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR155824  Lupinus bicolor John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  CLARK-A1528-2819  Lupinus bicolor subsp. microphyllus John C. Roos 1952-4-30 5603 Riverside Edgemont 487 Comment
  UCR108489  Lupinus concinnus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16226 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
  RSA559939  Lupinus concinnus subsp. concinnus Steve D. Boyd 1992-4-18 6890 Riverside Buck Mesa, S of Lake Skinner, 1.8 mi E of main entrance rd to lake along Borell Rd. Comment
  RSA519404  Lupinus elatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  CAS-BOT-BC216679  Lupinus excubitus subsp. hallii P. A. Munz; I. M. Johnston 1922-5-19 5407 Riverside Above Oak Cliff, San Jacinto Canyon, San Jacinto Mountains Comment
  UCR167981  Lupinus excubitus var. austromontanus T. B. Salvato, John F. Green 2004-5-27 650 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UC729974  Lupinus excubitus var. hallii Carl B. Wolf 1932-5-25 3693 Riverside 0.25 mi sw Summit of Moreno Grade (sw of Beaumont, Bad lands); Bad Lands 670 Comment
  UCD107728  Lupinus excubitus var. hallii Geoffrey Levin 1975-4-26 490 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  RSA33606  Lupinus formosus N. C. Cooper 1944-5-20 1313 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA413655  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA613661  Lupinus hirsutissimus D. L. Banks, Victor W. Steinmann 1997-3-13 1459 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
  UCD170864  Lupinus hirsutissimus A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25849 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR35024  Lupinus hirsutissimus L. B. Ziegler 1967-4-18 113 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  UC454094  Lupinus hyacinthinus I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2895 Comment
  CLARK-A1045-333  Lupinus longifolius George K. Helmkamp 1978-5-2 Riverside Bautista Canyon along Bautista Road; Hemet 15'Q 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
  UCR16238  Lupinus microcarpus var. densiflorus Heidi A. Haid 1964-5-10 64510- 4 Riverside San Jacinto Valley / Mtns, c. 6 mi. east of Hemet on Hwy 74 549 Comment
  SD224969  Lupinus sparsiflorus G. K. Helmkamp 1998-4-3 3091 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  UC1537124  Lupinus sparsiflorus Gordon H. True Jr. 1935-4-1 194 Riverside Box Springs 426 Comment
  UCR176907  Lupinus sparsiflorus Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  RSA543760  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6060 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  CLARK-A1045-82  Lupinus succulentus George K. Helmkamp 1978-4-27 Riverside Valle Vista Mountain Avenue and Florida road; roadside; Hemet 7.5'Q Comment
  POM12625  Lupinus succulentus Philip A. Munz, I. M. Johnston 1922-5-19 5384 Riverside 8 miles NE of Murietta. 412 Comment
  POM2531  Lupinus succulentus C. F. Baker 1904-4-5 4189 Riverside Hemet Comment
  POM9291  Lupinus succulentus Philip A. Munz, R. D. Harwood 1920-3-20 3371 Riverside 5 miles S of Corona 305 Comment
  UC1083106  Lycium Herbert L. Mason 1928-3-10 4215 Riverside Hidden Springs Canyon Coachella Mts. Comment
  JOTR34339  Lycium andersonii Andre, Jim 2012-4-11 20682 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  NY138725  Lycium andersonii S. B. Parish 1896-4-4 4132 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mt. 152.4 Comment
  UC1563047  Lycium andersonii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-2 3225 Riverside sandstone ridge between Kolb Creek and Temecula Creek (forming peninsula at sw end of Vail Lake, ne end of peninsula); Vail Lake Area Comment
  UC1329895  Lycium cooperi James E. Cole 1941-5-17 721 Riverside Covington Flat Canyon Joshua Tree National Monument 1432 Comment
  UCR85278  Lycium cooperi Bern Schwenn 1994-4-29 s.n. Riverside Mojave Desert, Joshua Tree National Monument: Lost Horse Mtns, SE of Ryan Campground along Calif. Riding and Hiking Trail 1402 Comment
  CAS-BOT-BC231643  Lycium fremontii David B. Dunn 1946-2-22 1977 Riverside Hidden Springs Canyon in the vicinity of the Palms Comment
  SBBG70678  Lycium fremontii M. N. Ackley 1928-3-31 981 Riverside Hidden Springs 304 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
  JOTR36472  Lycium parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3440 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  SEINET11799418  Machaeranthera asteroides var. asteroides Unknown 1936-1 12853 Riverside western foothills of San Jacinto Mts Comment
  RSA654162  Machaeranthera canescens var. canescens A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22282 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  CAS-BOT-BC230890  Malacothamnus davidsonii Edith A. Purer 1935-4-21 6472 Riverside East slope of San Jacinto Mt. Comment
  UCR92331  Malacothamnus densiflorus Scott D. White, M. D. Wilcox 1995-7-11 3470 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  POM362316  Malacothrix glabrata Martha Hilend 1928-3-25 141 Riverside Colorado Desert, about 6 miles west of Indio Comment
  POM6609  Malacothrix glabrata P. A. Munz, L. T. Street, Williams 1919-3-28 2370 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA760820  Malacothrix glabrata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 111 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  SD244530  Malacothrix saxatilis var. tenuifolia Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek, I(c) mile east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR41521  Malacothrix stebbinsii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6081 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR183018  Malephora crocea Mitch Provance 2003-5-5 4425 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  CSUSB1015  Malva parviflora Leland R. Dykes 1962-4-22 46 Riverside Palomar Road at San Mateo Canyon turnoff, in Murrieta. Comment
  OBI12339  Malva parviflora Tracey & Viola Call, Viola Call 1962-4-8 2120 Riverside Rancho Rd, Corona 213 Comment
  SEINET10625161  Malva parviflora Nye Leith, Greg Gust 2005-3-11 Nye 63 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR166541  Malva parviflora Scott D. White, Jennifer H. Jones 2005-4-12 10873 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  HSC80237  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Murrieta area, Clinton Keith Rd. near (just E of) Bear Creek golf course 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
  UCR47233  Marah macrocarpa B. G. Pitzer, L. F. LaPre 1987-3-2 0428 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  UCR92234  Marah macrocarpa var. macrocarpa D. L. Banks, Steve Boyd 1995-3-30 0131 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  HSC101189  Marina parryi Jim Andre 2012-3-19 21371 Riverside Palen Valley; along Palen Pass Rd. (dirt), 7.1 mi. east of Hwy. 177. 321 Comment
  JEPS41720  Marina parryi W. L. Jepson 1912-10-29 5248 Riverside Black Point Riverside Mts. 88 Comment
  RSA404232  Marina parryi Anstruther Davidson 1903-5-1 1904 Riverside Working Canyon Comment
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May 28 2010
  RSA784963  Marina parryi Duncan S. Bell 2012-3-18 3227 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UC1329934  Marina parryi James E. Cole 1941-4-13 563 Riverside 0.5 mi n Meek's Cabin; Joshua Tree national Monument, Pinto Pass Comment
  UCSB18652  Marina parryi Gerhart, Janet 1963-4-6 Riverside Coachella Canal-siphon 22, 5.2 miles southeast of intersection of Salt Creek Wash Road Comment
  UCSB3056  Marina parryi Broder, Richard 1958-03 Riverside 5.8 miles east of Desert center on U.S. 60-70 Comment
  UCSB59680  Marina parryi Boyd, Steve; Meury, S.; Noyes, R. 1988-3-10 Riverside N end Palen Mtns., 2 mi. west of Palen Pass 300 Comment
  SDSU12873  Marrubium vulgare J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 28 Riverside Approximately 400 feet from Santa Margarita (SDSU) Field Station trailer South side of trail leading down into Santa Margarita River Gorge, north of river. 335 Comment
  RSA660642  Marrubium vulgare Lydia Paneri 1982-4-17 6 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  CAS-BOT-BC71093  Marsilea vestita P. A. Munz; I. M. Johnston 1922-5-5 5154 Riverside Mystic Lake, near Moreno 426 Comment
  RSA180242  Marsilea vestita E. W. Lathrop 1959-4-26 4510 Riverside 14 miles west of Murrieta Comment
  UCR156280  Matricaria matricarioides T. B. Salvato, Kent Beaman 2005-5-16 825 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
  UCR174516  Matricaria matricarioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32510 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
  UCR92691  Matricaria occidentalis A. C. Sanders 1996-4-20 18058 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  POM2405  Medicago lupulina D. L. Crawford, I. M. Johnston 1917-6-9 1234 Riverside Santa Ana River near Corona Comment
  UCR3351  Medicago sativa T. R. Plumb 1964-4-12 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Campus of Univ. of California, Riverside, Canyon Crest Drive at freeway underpass. 259 Comment
  POM1219  Melica frutescens I. M. Johnston 1918-4-27 1863 Riverside Temescal Canon (West of Elsinore). 366 Comment
  POM146215  Melica frutescens F. M. Reed 1926-5-16 5338 Riverside South of Menifee Comment
  CLARK-A1528-73  Melica imperfecta Fred B. Essig 1964-2-24 Riverside La Sierra Comment
  RSA697043  Melica imperfecta Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mts., a mile or so from a public camp near Keen Camp. Comment
  SBBG35009  Melica imperfecta T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, E of Hemet Comment
  UCR241682  Melica imperfecta T. B. Salvato 2013-3-22 7410 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  RSA500170  Melilotus albus Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 3657 Riverside Vail Lake area, disturbed area at base of dam, head of Temecula Creek Cyn. 457 Comment
  RSA0035195  Melilotus indicus Lydia Paneri 1982-4-17 30 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UCR9547  Menodora scabra var. glabrescens Bonner Blong 1966-5-13 s.n. Riverside Santa Rosa Mtns, Martinez Canyon, below upper cabin on bench on south side of canyon 884 Comment
  UC68742  Mentzelia affinis H. M. Hall apr 1905 5766 Riverside Colorado Desert, Cathedral Cayon 91 Comment
  RSA779625  Mentzelia albicaulis var. albicaulis Duncan S. Bell 2010-4-1 659 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
  JEPS20770  Mentzelia involucrata Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13257 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property.); Little Maria Mts. Comment
  RSA778207  Mentzelia involucrata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 801 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  JEPS43918  Mentzelia jonesii Marjorie D. Clary 1932-3-27 1597 Riverside 5-10 mi n Indio; Indio Hills 243 Comment
  POM13994  Mentzelia jonesii P. A. Munz, D. D. Keck 1922-4-9 4886 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UCR45342  Mentzelia jonesii Scott Cantrell 1986-3-28 81 Riverside Sonoran (Colorado) Desert, Box Canyon Road (Hwy 195), 4.8 mi. south of Interstate Hwy 10 toward Mecca 305 Comment
  RSA734201  Mentzelia micrantha Keith E. Hoffmaster 1934-4-8 132 Riverside Santa Ana Mts. Comment
  UCR12576  Mentzelia micrantha Bill Schultz 1972-4-30 720430- 6 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  UCR207511  Mentzelia micrantha O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  RSA741030  Mentzelia montana Justin M. Wood, Brandy N. Ulrich 2008-7-14 19 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  UCR61092  Mentzelia montana Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2266 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR75549  Microseris douglasii subsp. douglasii A. C. Sanders 1993-5-12 14018 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  UCR112793  Microseris heterocarpa A. C. Sanders 1997-5-1 20626 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR116506  Microseris heterocarpa A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 745 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  POM33642  Microseris lindleyi Marcus E. Jones 1882-4-25 s.n. Riverside End of track [probably near San Jacinto Plains] Comment
  RSA95082  Microseris lindleyi F. W. Peirson 1921-3-22 2381 Riverside Murray Canyon, south side in canyon 457 Comment
  SJSU13423  Mimetanthe pilosa C. W. Sharsmith 1945-8-28 5456 Riverside Indian Canyon, Mt San Jacinto 1828 Comment
  RSA0018769  Mimetanthe pilosa Philip A. Munz, I. M. Johnston 1924-7-27 8849 Riverside 7 miles SE of Poppet Flat. San Jacinto Mountains. 1524 Comment
  SEINET7048215  Mimulus aurantiacus Steven R. Hill, Andrew C. Sanders 2001-5-4 33728 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters), Fallbrook 7.5' quad. Elevation 1140-1180 feet. 359 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
  POM13820  Mimulus aurantiacus var. puniceus P. A. Munz 1922-4-28 5054 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  UCR91608  Mimulus aurantiacus var. puniceus D. L. Banks, Steve Boyd 1995-3-30 0132 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  JOTR28875  Mimulus bigelovii var. bigelovii La Doux, Tasha, Bill Truesdell 2004-3-17 1110 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  RSA4942  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  UCSB23460  Mimulus bigelovii var. bigelovii Shaw, Merrilee 1964-4-15 Riverside 1.5 miles east of junction of State Highway 195 and turnoff to U.S. Highway 70 to Joshua Tree National Monument 594 Comment
  UC1012086  Mimulus brevipes F. W. Pennell and A. L. Grant 1940-4-28 25275 Riverside 7-8 mi e Hemet (Route 74) 548 Comment
  UCR193918  Mimulus brevipes A. C. Sanders, Mitch Provance 2008-7-11 35773 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCD122517  Mimulus cardinalis R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR18484  Mimulus floribundus A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  LA209492  Mimulus fremontii John O'Leary; 1975-6-13 399 Riverside Yellow Pine Forest, near side of Hy. leading from Banning to Idyllwild, 0.5 mi N of lake Fullmer 1584 Comment
  JEPS5559  Mimulus guttatus Carl V. Meyer 1928-7-31 598 Riverside Tahquitz Valley San Jacinto Mountains 2286 Comment
  RSA0030781  Mimulus moschatus var. longiflorus Mary F. Spencer 1921-7-1 1288 Riverside Idyllwild 1585 Comment
  UCR151097  Mimulus pilosus Scott D. White, Julie Greene 1998-8-1 6974 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  UCR20887  Mimulus pilosus A. C. Sanders 1978-7-1 s.n. Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  CDA33849  Mimulus puniceus Mike Lahti 2010-5-5 PDR# 1358680 Riverside Hills on the west side of Temecula. 0 Comment
  SEINET7097939  Minuartia douglasii A. G. Vestal 1937-5-9 s.n. Riverside Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27) South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Comment
  UCR138561  Mirabilis bigelovii Steve Boyd, Orlando Mistretta 1986-3-13 1480 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  UCR51974  Mirabilis bigelovii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, et al. 1988-3-10 2112 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  SEINET186897  Mirabilis bigelovii var. retrorsa P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon 2 mi N of boulevard to Indio Comment
  UCR21136  Mirabilis californica Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  CAS-BOT-BC434685  Mirabilis laevis var. crassifolia W. G. Wright 1890-4-1 s.n. Riverside Whitewater, Colorado Desert Comment
  CAS-BOT-BC434817  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside Whitewater, Western base of the Colorado Desert 109 Comment
  POM159835  Mirabilis laevis var. retrorsa E. C. Jaeger 1926-3-24 2347 Riverside White Tank, northern edge of Colorado Desert Comment
  UC68665  Mirabilis laevis var. retrorsa H. M. Hall Apr 1905 5798 Riverside 10 mi W of Coachella, Colorado Desert 91 Comment
  SBBG54992  Mohavea confertiflora D. Keil, M. McLeod, D. Walters 1977-3-27 12062 Riverside Box Cyn Rd, ca. 20 mi ENE of Mecca, Orocopia Mtns 274 Comment
  HSC78995  Monardella lanceolata K. Berg 1980-7-29 241 Riverside San Jacinto Mtns., James Reserve, Hall Canyon 1646 Comment
  RSA401570A  Monardella lanceolata var. lanceolata G. R. Johnstone 1928-9-3 s.n. Riverside Mt Tahquitz Trail. 2287 Comment
  LA57200  Monardella nana Carl Epling; L. Haines 1937-5-7 sn Riverside about 3 mi W of Pinon Flats, Pines to Palms Hwy Comment
  UCR221482  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 057 Riverside Peninsular Range; Santa Rosa Mtns., road to Santa Rosa Mtn., 0.5 mi. above Pines to Palms Highway 1479 Comment
  UC25479  Monardella nana subsp. tenuiflora H. M. Hall 1897-7-22 725 Riverside Tahquitz Valley San Jacinto Mountains; Tahquitz Valley, San Jacinto Mts., Riverside 2438 Comment
  UCR221495  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 101 Riverside Peninsular Range; San Jacinto Mtns., Black Mountain, 2 miles beyond the snow gate 2256 Comment
  UCR221498  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 23 Riverside Peninsular Range; San Jacinto Mtns., Fuller Mill Creek Camp, on the Banning-Idyllwild road 1585 Comment
  SEINET13948655 Image available Monardella robisonii K. Stolte 1979-1 s.n. Riverside Joshua Tree National Monument. Serpent Rock, ca 800 meters SW of South Gate leading into Keys ranch. Serpent rock forms the N boundary of the Cohen property (off Monument route 2, opposite the entrance to Los Horse Ranger station.) Hidden Valley area Comment
  OBI23671  Monoptilon bellioides David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12073 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
  POM305598  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1937-3-2 884 Riverside Betw Desert Center and Indio Comment
  POM363590  Monoptilon bellioides Gus Gluechert 1937-4-24 s.n. Riverside San Jacinto Mts Comment
  UCR126383  Muilla maritima A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 692 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SD146221  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on west side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive. 305 Comment
  RSA718304  Nama demissa Michael Honer, L. Hulse 2004-4-2 1886 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  SD240927  Nama hispida var. spathulata Dave Silverman, Onkar Singh 2010-3-27 7862 Riverside McCoy Wash, N of Palo Verde Mesa, 4.95 km WSW of Mesaville siding, W of A Canal/Levee Blvd., & ca, 6.5 km N of Blythe Airport. 131 Comment
  CLARK-A1528-5488  Nama stenocarpa John C. Roos 1951-10-19 5327 Riverside San Jacinto Valley 457 Comment
  RSA198963  Nasturtium officinale R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37596 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  POM13068  Navarretia capillaris E. C. Jaeger 1921-06 POM- 1930 Riverside Caramba, San Jacinto Mts Comment
  RSA550480  Navarretia fossalis D. E. Bramlet 1992-5-8 2269 Riverside The site is approximatly 8 km south west of Hemet. The vernal pools are located northwest of the intersection California and Stowe Rd. The pools are located some 5-500 ft. N of Stowe Rd and some 20-700 ft. west of Califronia Ave. 465 Comment
  RSA642462  Navarretia fossalis Stan C. Spencer 1994-4-16 4416 -21 Riverside From Winchester E 2 mi to California Av then N ca 1 mi to Stowe Rd NW of inters 20 m. Comment
  UCR189559  Navarretia fossalis Diane Menuz 2006-5-9 077 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth 432 Comment
  CLARK-A1528-709  Navarretia intertexta Ruth Cooper 1941-6-8 71 K Riverside Comment
  CLARK-A1528-2371  Nemacladus glanduliferus John C. Roos 1966-3-20 Riverside Comment
  RSA0126448  Nemacladus longiflorus Henry J. Ramsey, Henry Ramsey 1937-5-30 2133 Riverside Santa Rosa Mountains. Comment
  JOTR34081  Nemacladus orientalis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2976 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
  UCR114125  Nemacladus orientalis B. G. Pitzer, J. Ross 1998-3-8 3608 .3 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR133442  Nemacladus pinnatifidus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 466 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA0123278  Nemacladus ramosissimus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8991 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR281483  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 90 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  RSA518555  Nemacladus rubescens O. F. Clarke 1973-4-1 s.n. Riverside At south entrance to Joshia Tree National Monument, just below Cottenwood Springs. Comment
  UC310581  Nemacladus tenuis var. aliformis Philip A. Munz 1926-1-31 9979 Riverside Dos Palmos Spring; Colorado Desert Comment
  RSA591746B  Nemacladus tenuis var. tenuis J. C. Roos 1966-3-26 s.n. Riverside 2 mi S.E. of Desert Center. Comment
  UCR97676  Nemophila menziesii A. C. Sanders, G. Helmkamp 1997-3-15 19945 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  RSA772851  Nerium oleander Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4840 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR20695  Nicotiana clevelandii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1320 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UC2015641  Nicotiana glauca Scott D. White 1996-2-18 3805 Riverside Parris Basin, W Riverside Co. Double Butte, NW of Winchester. SE-facing slope of W. butte. Comment
  UCR202039  Nicotiana obtusifolia Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR245238  Nicotiana obtusifolia Jim Andre 2012-3-19 21328 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCR109558  Nicotiana quadrivalvis R. D. Goeden, Don W. Ricker 1978-10-25 s.n. Riverside Temecula Valley, Temecula, Murrieta Creek at Rancho California Road 305 Comment
  RSA0060148  Nicotiana quadrivalvis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3559 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  CAS-BOT-BC131885  Nolina parryi Philip A. Munz; P. C. Everett 1950-6-23 14910 Riverside 2 mi. n.w. of Pipe Creek, Hemet Valley, San Jacinto Mts. 1402 Comment
  LA205784  Nolina parryi Tom O'Donnell; 1953-5-24 sn Riverside San Jacinto Mountains, Pinon Flats, Hwy 74 Comment
  UCR18845  Nolina parryi John C. Roos 1965-7-8 s.n. Riverside San Jacinto Mtns., Thomas Valley at the Pathfinder Camp. Comment
  RSA686401  Notholaena californica W. G. Wright 4764 Riverside Colorado Desert. Comment
  RSA146098  Oenothera californica subsp. californica Peter H. Raven 1959-4-23 14021 Riverside 4.1 miles west of Dripping Springs. Comment
  RSA779628  Oenothera deltoides Duncan S. Bell 2010-4-1 44222 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
  UCR196347  Oenothera deltoides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1428 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  UCR113977  Oenothera elata subsp. hookeri Mitch Provance 2000-6-24 2045 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR6153  Oenothera speciosa A. P. Donaldson 1966-4-11 s.n. Riverside 0.4 mi from the corner of Van Buren and Magnolia Ave. toward the Riverside Freeway in Arlington 259 Comment
  RSA680920  Oligomeris linifolia Scott D. White, Michael Honer 2003-5-14 9273 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA709899  Oligomeris linifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4601 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC634680  Oligomeris linifolia Margaret Stason 1927-2-12 Riverside Thousand Palms Canyon; Colorado Desert, Thousand Palms Canyon Comment
  UCR41587  Oligomeris linifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6114 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  POM122388  Olneya tesota Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  RSA0012647  Olneya tesota April Garbat, Kristin Forgrave 2013-5-29 76 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  RSA444475  Olneya tesota J. C. Roos 1965-12-4 s.n. Riverside 2 miles SE of Desert Center. 366 Comment
  CAS-BOT-BC248281  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2011-4-4 38975 Riverside Peninsular Range: Lake Elsinore, Hwy 74 (Riverside Dr.) at Baker St. 382 Comment
  UCR240170  Oncosiphon piluliferum R. E. Riefner Jr. 2012-3-31 12- 63 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  SEINET3412073  Opuntia chlorotica Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-13 28530 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 759 Comment
  CAS-BOT-BC355577  Oreostemma alpigenum var. andersonii Mary F. Spencer 1919-7-6 1256 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mt. 2377 Comment
  CAS-BOT-BC502862  Orobanche cooperi subsp. cooperi Ynez Whilton Winblad 1937-4-22 s.n. Riverside Box Canyon Comment
  JOTR37463  Orobanche fasciculata Hodges, Stephen, T. Green 2016-5-5 585 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  RSA0059162  Orobanche parishii subsp. parishii Noel Wallace 1938-06 BS. 562 Riverside Box Springs Mts., near Riverside. Comment
  POM256964  Orthocarpus purpurascens var. pallidus W. Pequegnat 1940-4-28 s.n. Riverside Bedford Truck Trail. 366 Comment
  CLARK-A1528-4778  Oryzopsis miliacea John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  SBBG54321  Osmadenia tenella C. Davidson 1977-5-25 5646 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR256885  Oxytheca caryophylloides G. D. Wallace 2003-7-8 4049 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  UCR193915  Oxytheca trilobata A. C. Sanders, Mitch Provance 2008-7-11 35762 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR102816  Paeonia californica A. C. Sanders 1997-3-19 20059 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  CAS-BOT-BC327939  Palafoxia arida J. Von Loh 1978-1-23 3307 A Riverside Palo Verde Mesa, 12 mi W of Blythe 121 Comment
  UCR148453  Palafoxia arida 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
  JEPS26054  Palafoxia arida var. arida Spencer W. Brown and U. Nur 1960-2-6 Riverside 4 mi E of Beaumont on Hwy 99 Comment
  UC665894  Palafoxia arida var. arida Ira L. Wiggins 1941-3-27 9670 Riverside about 4 mi ne Desert Center (on road to Rice) Comment
  RSA575932  Panicum capillare Steve Boyd 1994-10-14 8393 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  JOTR29502  Panicum hirticaule subsp. hirticaule Bell, Mike 2006-9-14 s.n. Riverside Joshua Tree National Park. southeast Pinto Mountains; near Mission Well/ Sunrise Mill, off Old Dale Road 435 Comment
  UCR109512  Panicum urvilleanum Stan C. Spencer 1999-7-1 DEC 831 1 Riverside San Jacinto Valley, sandy bottom of San Jacinto River channel, about 100 m north of Main Street, eastern edge of San Jacinto 488 Comment
  UC64142  Papaver californicum John Haslam 1897-4-19 482 Riverside s of San Jacinto (St. John's Canyon); St. John's Canyon Comment
  HSC66618  Parietaria floridana Josephine Jones, Christopher Davidson 1980-4-4 9942 Riverside West end of Orocopia Mtns., in small canyon and wash due S of Oro Pk. 518 Comment
  SEINET273060 Image available Parietaria hespera A. C. Sanders 1997-3-26 20104 Riverside Lake Skinner area;along foot trail at W base of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reser. 518 Comment
  UC495207  Parietaria hespera var. hespera Philip A. Munz 1932-3-14 12011 Riverside Magnesia Canyon; Coachella Valley 91 Comment
  UCR142549  Parietaria hespera var. hespera F. W. Peirson 1920-2-15 1714 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Tahquitz Canyon, near Palm Springs 427 Comment
  RSA0039600  Parkinsonia florida Deidre Conocchioli, Duncan S. Bell 2014-3-11 151 B Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla. 110 Comment
  UCSB2977  Parkinsonia florida Keator, Glenn 1959-05 Riverside Middle section of Painted Canyon on sandy drainage basin, 6 miles from Mecca Comment
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Mar 2 2014
  PASA207  Parosela mollis Stason 1930-3-9 Riverside Painted Canyon Comment
  PASA202  Parosela schottii 1930-3-30 Riverside Painted Canyon Comment
  UCR25062  Parthenium hysterophorus L. Ziska 1981-11-15 s.n. Riverside City of Riverside, Agricultural operations fields on the campus of University of California, Riverside. Field # 10? near a guayule planting. Comment
  SDSU13606  Paspalum distichum W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UC184054  Paspalum urvillei Miss H. A. Gray June 1915 Riverside Palm Spr. R. R. Station Comment
  SEINET2054024 Image available Pectis papposa var. papposa E. R. Blakley 1963-9-18 6182 Riverside 2.7 miles west of Desert Center. 312 Comment
  UC170154  Pectis papposa var. papposa E. E. Schellenger 1894-8-1 80 Riverside near Schellinger's Ranch (Colorado Desert); Colorado Desert Comment
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Jun 18 2011
  CAS-BOT-BC169718  Pectocarya anisocarpa C. F. Baker 1904-4-5 4139 Riverside Hemet Comment
  UCR90758  Pectocarya anisocarpa Scott D. White 1995-4-5 2740 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA0035940  Pectocarya heterocarpa Deidre Conocchioli, Sarah J. De Groot 2014-1-23 133 Riverside Just off HWY-62 E of 29 Palms. 2.8 miles W of HWY-177, E of the Colorodo River. 104 Comment
  RSA77873  Pectocarya heterocarpa F. W. Peirson 1935-4-17 11473 Riverside 30 miles north of Blythe. Comment
  SBBG87400  Pectocarya heterocarpa A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6017 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  VVC2449  Pectocarya heterocarpa Tim Thomas 2013-3-18 5936 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  PASA1954  Pectocarya linearis Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  UCR174125  Pectocarya linearis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32632 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR225507  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-3-29 38877 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  SBBG101783  Pectocarya linearis subsp. ferocula S. Boyd, T. Ross, M. Hammitt 1991-5-2 6061 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  RSA0039459  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-2 40734 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  RSA525459  Pectocarya penicillata Steve Boyd 1990-4-29 4505 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. 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
  UCR20742  Pectocarya penicillata A. C. Sanders, Steve Boyd 1980-5-2 1397 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR213612  Pectocarya penicillata A. C. Sanders, Matthew Malle 2010-4-23 38004 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR239798  Pectocarya penicillata O. F. Clarke 2004-3-14 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  RSA605223  Pectocarya peninsularis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16212 .1 Riverside Coachella Valley, mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I10. 366 Comment
  CLARK-A1045-85  Pectocarya platycarpa George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains .5 mile [north northwest] from CA Highway 74; Hemet 15'Q Comment
  RSA78764  Pectocarya platycarpa P. A. Munz 1952-4-15 17340 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  RSA40567  Pectocarya setosa J. C. Roos 1947-4-5 3417 Riverside Pinyon Flats, Santa Rosa Mtns. 1220 Comment
  UC882271  Pectocarya setosa C. L. Hitchcock 1940-4-2 5910 Riverside Joshua Tree National Monument, Cottonwood Springs wash Comment
  UCSB41268  Pectocarya setosa Cowan, Clark 1978-4-23 Riverside 17.3 mi. (27.2 km.) S and W on Hwy. 74 from jct. with 111 at Indian Wells; Santa Rosa Mts.; San Berndo. Nat. Forest; Whittaker transect #W-221 1180 Comment
  POM348828  Pediomelum californicum N. C. Cooper 1944-5-20 1263 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  SD234418  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley: Riverside, residence at 1009 Bascomb Drive (Riverside East 7.5' Q) 305 Comment
  IRVC3139  Pellaea andromedifolia R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  UC669244  Pellaea andromedifolia Annie M. Alexander and Louise Kellogg 1941-2-28 1879 Riverside Andreas Canyon; San Jacinto Mts Comment
  UCR145568  Pellaea andromedifolia Robert Whittaker, W. A. Niering 1963-5-28 SJ- 37 Riverside San Jacinto Mountains, Mountain Center to Hemet Hwy 976 Comment
  POM182208  Pellaea mucronata P. A. Munz 1932-4-24 12393 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  SD138476  Pellaea mucronata Darin L. Banks, Steve Boyd 1995-3-15 71 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, Dorland Mountain area 787 Comment
  UCR111589  Pellaea mucronata Mitch Provance 1999-1-18 1741 Riverside Jurupa Mountains, Sunnyside area, 0.25 miles north of the Jensen Quarry, on W side of Sierra Blvd. 381 Comment
  UCR116901  Pellaea mucronata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24196 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  JOTR34126  Pellaea mucronata var. mucronata Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21084 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  POM856  Pellaea mucronata var. mucronata P. A. Munz 1918-4-27 2123 Riverside Temecula Canyon: base of rocks, Comment
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Mar 27 2011
  SDSU13338  Pellaea mucronata var. mucronata C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, Insect Trail. 1.5 miles NE of Gavalin Mtn. 305 Comment
  RSA736557  Pennisetum setaceum Scott D. White, Angelia Carey 2004-7-2 10576 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR199589  Pennisetum setaceum Scott D. White, Angelia Carey 2004-7-2 10576 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  HSC34761  Pennisetum villosum R. E. Cooksey Mar 1974 200 Riverside Chino Canyon below Palm Springs Tramway; San Jacinto Mtns. 381 Comment
  RSA97210  Penstemon centranthifolius R. M. Straw 1953-6-25 488 Riverside Santa Rosa Mountain Truck Trail, off Palms to Pines Hwy. 1677 Comment
  RSA97015  Penstemon centranthifolius R. M. Straw 1953-6-4 431 Riverside Pinyon Flats, Palms to Pines Hwy. 1220 Comment
  UCD124053  Penstemon clevelandii Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains: ca. 0.05 mile south of Santa Rosa Mt. Road from Hwy 74. 1402 Comment
  RSA6012  Penstemon labrosus Carl B. Wolf 1932-8-4 3929 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  UC103029  Penstemon labrosus A. W. Anthony 1895-7-12 Riverside San Jacinto Mts. 2590 Comment
  RSA0014860  Penstemon rostriflorus N. C. Cooper 1949-6-29 4279 Riverside Palms to Pines Highway. 1220 Comment
  UCR174558  Penstemon spectabilis Thi (Teresa) Bui, Jennifer H. Jones and Holly Summers 2006-5-31 324 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243 at turnout next to Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  NY661156  Penstemon spectabilis var. spectabilis S. D. Boyd 1995-4-24 8490 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as "Agua" on USGS Vail Lake 7.5' quadrangle. 762.0 Comment
  NY661162  Penstemon spectabilis var. spectabilis G. T. Hastings 1941-4-26 s.n. Riverside Near Sage-south of Hemet Comment
  UCR110980  Penstemon spectabilis var. spectabilis George K. Helmkamp 1998-6-27 4085 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
  RSA720465  Pentachaeta aurea Naomi Fraga, Tim Thibault 2006-5-16 1671 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  RSA0060229  Pentagramma triangularis C. W. Tilforth 1979-2-11 1742 Riverside Whitewater Canyon, east of Morongo Indian Reservation. 441 Comment
  LA204567  Peritoma arborea Harlan Lewis; 1935-4-7 Riverside Palm Springs 152 Comment
  CAS-BOT-BC77481  Peritoma arborea var. angustata Lewis S. Rose 1935-12-20 35676 Riverside Whitewater 335 Comment
  CAS-BOT-BC77486  Peritoma arborea var. angustata Annie M. Alexander; Louise Kellogg 1941-5-23 2227 Riverside Cottonwood Spring, Eagle Mountains 883 Comment
  CAS-BOT-BC355995  Perityle emoryi Geo. B. Grant 1906-4-20 6784 Riverside Palm Springs Comment
  HSC29904  Perityle emoryi Richard Spjut 1972-2-1 2169 Riverside Colorado Desert: N base of Chuckawalla Mtns., ca. 3 mi. S of Desert Center 305 Comment
  JOTR35061  Perityle emoryi La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3513 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  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
  POM305614  Perityle emoryi Henry J. Ramsey, Henry J. Ramsey 1937-3-2 903 Riverside Desert center, Mojave Desert Comment
  RSA480103  Perityle emoryi Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2192 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA678350  Perityle emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10465 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
  SEINET10309002 Image available Perityle emoryi Deirdre Conocchioli, Duncan S. Bell 2014-3-17 203 Riverside Off south end of Hidden Springs Road, south of I-40 and Barstow-Daggett Airport exit, north/northwest foot of Newberry Mountains and Daggett and Newerry Springs. 186 Comment
  CAS-BOT-BC167756  Petalonyx thurberi K. Larson 1976-6-10 2036 Riverside ~30 mi E. of Indio S. of Chiriaco Summit Comment
  CAS-BOT-BC167766  Petalonyx thurberi W. R. Dudley 1903-12-30 s.n. Riverside Two miles below Thousand Palms Comment
  RSA675729  Petalonyx thurberi Scott D. White 2001-4-27 8420 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  SEINET269258  Petalonyx thurberi M. A. Patten, S. J. Myers 1993-8-20 Riverside Along Tahquitz Creek and in neighboring creosote scrub behind the debris basin dam in Palm Springs. 183 Comment
  UC535038  Petalonyx thurberi subsp. thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon; Coachella Valley 243 Comment
  POM13912  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4759 Riverside Shavers Well, near Mecca. 76 Comment
  RSA0003811  Phacelia californica var. jacintensis E. C. Jaeger 1922-7-1 1045 Riverside Tahquitz Valley, San Jacinto Mts. Comment
  UCR178529  Phacelia campanularia R. G. Swinney 1967-2-12 0029 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UCR200335  Phacelia campanularia subsp. campanularia Tasha La Doux, Jim Andre 2008-3-20 212 Riverside Sonoran (Colorado) Desert, along Hwy I-10 at Whitewater exit, on south-facing slope at White Water River crossing 418 Comment
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Nov 11 2010
  UC68747  Phacelia campanularia subsp. vasiformis H. M. Hall Apr. 1905 5996 Riverside Cottonwood Pass Colorado Desert 670 Comment
  JEPS2191  Phacelia cicutaria var. hispida M. French Gilman 1845-1 714 Riverside Palm Springs (of Mt. San Jacinto) Mt. San Jacinto Comment
  SDSU6651  Phacelia crenulata C. V. Morton 1949-3-20 2066 Riverside 16 miles east of Mecca, Riverside Co. 518 Comment
  SEINET9296429  Phacelia crenulata Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  RSA768757  Phacelia crenulata var. ambigua Jim Andre, Tasha La Doux 2010-2-28 12556 Riverside Lower Colorado River Valley; along Hwy 94 approx. 25 miles north of Blythe, on east side of Big Maria Mountains. 83 Comment
  UCR75096  Phacelia crenulata var. ambigua A. C. Sanders, E. J. Lawlor 1992-4-4 12091 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA0120440  Phacelia cryptantha Duncan S. Bell, LeRoy Gross 2016-5-18 9597 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  UCR88543  Phacelia cryptantha A. C. Sanders 1995-4-13 16490 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  CLARK-A1656-681  Phacelia distans Milton Walker 1978-3-10 Riverside Joshua Tree National Park Comment
  JEPS2376  Phacelia distans W. L. Jepson 1927-4-12 11672 Riverside Mecca Painted Canyon 76 Comment
  JOTR16717  Phacelia distans Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  RSA651699  Phacelia distans Diane M. Ramirez 1983-5-15 29 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA781797  Phacelia distans Duncan S. Bell 2010-5-1 883 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  SBBG101782  Phacelia distans S. Boyd with T. Ross, M. Hammitt 1991-5-2 6067 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UC24340  Phacelia distans H. M. Hall June 1901 2277 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  UCD120430  Phacelia distans William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR133367  Phacelia distans Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 291 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR174945  Phacelia distans Jennifer H. Jones, Toby Bartels 2006-4-23 279 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR241197  Phacelia distans Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 525 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR35120  Phacelia fremontii L. B. Ziegler 1969-4-21 350 Riverside San Jacinto Mtns., Pinyon Flats 1200 Comment
  UCSB26909  Phacelia imbricata Wilken, Dieter 1969-6-30 Riverside County Road R1, 1.0 miles south of Idyllwild, San Jacinto Mtns. 1524 Comment
  POM46987  Phacelia imbricata subsp. patula Mary F. Spencer 1919-7-2 1237 Riverside San Jacinto Mt. 1646 Comment
  RSA700025  Phacelia minor Scott D. White, Michael Honer 2003-4-25 9100 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCSB9327  Phacelia minor Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road from State Rd. 111; San Jacinto Mt. Range; Colorado Desert drainage area 609 Comment
  UCR156365  Phacelia ramosissima T. B. Salvato, Kent Beaman 2005-5-16 883 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
  UCR159771  Phacelia ramosissima var. latifolia Scott D. White 1999-5-24 7374 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Perris/Sun City area: just east of Goetz Rd. and south of Ethanac Rd., c. 1.5-2 mi west of the I-215 freeway 473 Comment
  SBBG37504  Phacelia tanacetifolia R. N. Muller 1967-5-4 Riverside 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  UC1265368  Phalaris caroliniana Robert F. Thorne and Earl Lathrop 1969-5-12 37951 Riverside Santa Rosa Plateau Mesa de Colorado; , Mesa de Colorado 624 Comment
  UCR2656  Phalaris caroliniana F. M. Reed 1938-5-14 10120 Riverside Perris-Aguanga Basin Region, alkaline flat SE of Perris 427 Comment
  UCR116475  Phalaris lemmonii A. C. Sanders, T. B. Salvato 2001-5-25 24375 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
  SD247291  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 611 Comment
  UCR91871  Phalaris minor A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18044 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR70826  Philadelphus microphyllus subsp. pumilus Percy C. Everett 1942-7-28 11294 Riverside San Jacinto Mtns, Several hundred yards below summit of Devil's Slide Trail (Trail to Mt. San Jacinto) 2439 Comment
  UC1132464  Phleum pratense H. S. Yates 1936-8-29 6379 Riverside near Pine Flat; San Jacinto Quad., near Pine Flat Comment
  JEPS69926  Phlox austromontana W. L. Jepson 1907-5-25 1439 Riverside near Santa Rosa Peak (sw side in upper Coyote Canyon); Coyote Canyon 762 Comment
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Dec 12 2011
  UCR35056  Phlox austromontana L. B. Ziegler 1972-5-4 450 Riverside San Jacinto Mountains, near and above Morris Ranch area 1524 Comment
  JOTR35431A  Phoenix dactylifera Kain, Katie, Angela Sowa 2012-10-16 s.n. Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  SD260308  Phoradendron californicum A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40510 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road. 694 Comment
  SEINET3835376 Image available Phoradendron californicum Lewis S. Rose 1938-12-17 s.n. Riverside Palm Springs, Palm Springs. Comment
  RSA612203  Phoradendron densum N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  UC848873  Phoradendron densum Lewis S. Rose 1936-12-24 36811 Riverside 24 mi. s.w. Indio (Palms to Pines Hwy.); San Jacinto Mts., Palms to Pines Hwy. 1066 Comment
  SD137586  Phoradendron macrophyllum Darin L. Banks, Steve Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains, Cleveland National Forest, Dripping Springs Campground 487 Comment
  UCR181058  Phoradendron macrophyllum Mitch Provance 2001-3-3 3521 Riverside San Bernardino Valley, Vicinity of Casa Blanca, NW corner of St. Lawrence St. and Victoria Avenue 274 Comment
  UCR58849  Phoradendron macrophyllum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3218 Riverside Peninsular Range, Vail Lake area at N end of Kolb Creek, near campground 457 Comment
  CAS-BOT-BC171154  Phoradendron serotinum subsp. tomentosum P. A. Munz; E. K. Balls 1952-8-21 17969 Riverside Hamilton Canyon, SE end of San Jacinto Mountains 1432 Comment
  CSUSB308  Phoradendron tomentosum subsp. macrophyllum Holzmiller 1966-3-15 Riverside Mary Knoll Ranch near resevoir. 304 Comment
  POM12141  Phoradendron villosum Mary F. Spencer 1921-6-13 s.n. Riverside Idyllwild 1616 Comment
  UCR138555  Phoradendron villosum Steve Boyd, D. E. Bramlet 1988-10-8 2878 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  CLARK-A1528-4811  Phragmites australis John C. Roos 1947-11-1 3760 Riverside Eagle Mountain Comment
  CDA41154  Physalis crassifolia T. C. Fuller 1964-4-14 11832 Riverside Bench above wash of Whitewater Canyon, 3.4 miles north of Whitewater. 0 Comment
  RSA709876  Physalis crassifolia Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4621 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  CSUSB764  Physalis crassifolia var. crassifolia Wayne White 1975-5-24 Riverside Chuckwalla Mountains Chuckwalla Mountains. On Highway I-10 to Red Cloud Road. Colorado Desert. 609 Comment
  UCR91040  Physalis lancifolia George K. Helmkamp 1996-1-18 96-8- 01 Riverside Sonoran (Colorado) Desert, Colorado River Valley, c. 2 miles NE of Blythe 82 Comment
  RSA357156  Pilularia americana R. F. Thorne 1973-5-23 43854 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  RSA85931  Pilularia americana F. W. Peirson 1922-4-29 2922 Riverside South of Lake Elsinore. 381 Comment
  SEINET4406970  Pinus A. T. Peterson 1988-1 s.n. Riverside Joshua Tree National Mounument Comment
  LA6071  Pinus coulteri Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Tahquitz Peak 1981 Comment
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Mar 29 2014
  RSA78326  Pinus jeffreyi Philip A. Munz, E. K. Balls 1952-8-21 17979 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  UC1571803  Pinus jeffreyi Bruce Zobel September 1950 BMJ 1 Riverside n Idyllwild (on the road to Black Mt.); San Bernardino National Forest, San Jacinto Mts. 2133 Comment
  UCR55209  Pinus lambertiana J. A. Adams 1965-7-3 341 Riverside San Jacinto Mtns., Azalea Canyon above campground 1829 Comment
  UCSB6941  Pinus ponderosa J. Haller 1950-5-20 6 Riverside PARKING AREA AT FOOT OF SAN JACINTO PEAK TRAIL UPPER STRAWBERRY VALLEY 1767 Comment
  RSA715055  Pistacia atlantica A. C. Sanders, T. B. Salvato 2003-5-21 26801 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  CDA36023  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Sonoran (Colorado) Desert; Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. Comment
  UCR135821  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Sonoran (Colorado) Desert, Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. -70 Comment
  UCR133980  Plagiobothrys arizonicus Mitch Provance, J. S. Ross 1998-3-27 MOR- 975 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  JEPS68030  Plagiobothrys canescens W. L. Jepson 1906-5-27 1474 Riverside Coahuilla Valley Comment
  RSA523318  Plagiobothrys canescens G. H. True 1935-2-20 9 Riverside Box Springs, Sycamore Canyon. 366 Comment
  RSA715309  Plagiobothrys canescens A. C. Sanders, John Green 2006-5-18 32369 Riverside Temecula/Murrieta Region: SE of Murrieta Hot Spings along San Diego Aqueduct and powerline route, S of intersection of Chandler and Suzi Rds. and S of Hurrieta Hot Springs Rd., Side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow. 351 Comment
  SEINET272339  Plagiobothrys canescens A. C. Sanders, G Helmkamp 1997-3-15 19927 Riverside Lake Skinner Area; hill E of Skinner Lake at NW end of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reservoir 549 Comment
  UCR180349  Plagiobothrys canescens Scott D. White, Angelia Carey 2004-4-5 10001 A Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR103170  Plagiobothrys collinus Scott D. White, Julie Greene 1997-3-12 4769 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  UCR239800  Plagiobothrys collinus O. F. Clarke 2006-4-15 s.n. Riverside Peninsular Range, Riverside; south side of UCR campus, hills by water tank 401 Comment
  RSA522714  Plagiobothrys collinus var. californicus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3900 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UC1537688  Plagiobothrys collinus var. californicus Gordon H. True Jr. 1935-2-20 9 Riverside Box Springs Sycamore Canyon 365 Comment
  UCR22097  Plagiobothrys collinus var. californicus Steve Boyd 1980-4-27 144 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 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
  RSA587423  Plagiobothrys collinus var. fulvescens D. L. Banks, S. D. Boyd 1995-6-2 567 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32., W of the Dripping Springs Alcove Area. 890 Comment
  SD247371  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-2 40735 Riverside Peninsular Range: Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona Lake. 390 Comment
  RSA763418  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2009-5-21 12875 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  SD140150  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside Western edge of Hemet, along south side of Devonshire Avenue betwee Old Warren and Earren Roads, southwest of Tres Cerritos and N of Florida 459 Comment
  SD224885  Plagiobothrys leptocladus Scott D. White, Marty Jacobsmeyer 1996-4-20 3967 Riverside Perris Basin. Perris Area: Near Perris Airport; ca. 100 m S of Case Rd. and 100 m W of San Jacinto River Channel. USGS Perris 7.5' quad. Open grassland. 430 Comment
  UCR47600  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside Perris 450 Comment
  UCR85638  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  POM368893  Plagiobothrys nothofulvus Ora M. Clark 1929-3-2 1634 Riverside Near Elsinore. Comment
  RSA543611  Plagiobothrys tenellus Steve Boyd 1991-5-7 6176 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR201657  Plagiobothrys tenellus Scott D. White, Justin M. Wood 2008-5-15 12000 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR59764  Plagiobothrys tenellus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3075 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  POM4545  Plantago erecta Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  UCR113136  Plantago erecta A. C. Sanders 1998-3-11 21674 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR251699  Plantago erecta T. B. Salvato 2014-4-9 7840 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR260560  Plantago erecta T. B. Salvato 2015-4-2 8105 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  UCR97245  Plantago erecta Scott D. White 1997-2-28 4706 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UC1922394  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA401953B  Plantago ovata var. fastigiata P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  SBBG7271  Plantago ovata var. fastigiata H. and M. Dearing 1940-1-1 4036 Riverside E side of Salton Sea at N end Comment
  UC1148888  Plantago patagonica H. K. Wagnon 1944-3-16 343 Riverside banks of Tahquitz Creek Palm Springs, Tahquitz Creek Comment
  UCR125281  Platanus acerifolia A. C. Sanders 2002-11-21 25651 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  JEPS20731  Pleuraphis rigida Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13233 Riverside on road to Midland and Bythe 2.4 mi s Rice Comment
  RSA0014312  Pleuraphis rigida Justin M. Wood, J. Miner 2010-4-30 1547 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  RSA704245  Pleuraphis rigida Gary D. Wallace 1982-5-15 1994 Riverside Palms to Pines Highway, 7 level hill. Comment
  RSA776383  Pleuraphis rigida Amber Swanson 2011-4-8 372 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA778493  Pleuraphis rigida Duncan S. Bell 2009-3-8 60 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
  RSA780237  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 94 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  RSA472090  Pleurocoronis pluriseta Albert J. Perkins 1916-4-19 s.n. Riverside Palm Springs. Comment
  POM98792  Pluchea odorata P. A. Munz 1926-1-31 9980 Riverside Dos Palmos [Palmas] Spring. Comment
  POM10245  Pluchea sericea H. M. Hall 1904-5-24 4958 Riverside Along Santa Ana River, near Riverside Comment
  RSA0021398  Pluchea sericea L. F. LaPre, D. Hogan 1982-5-18 s.n. Riverside Salt Creek at the powerline crossing Comment
  POM249988  Poa fendleriana E. C. Jaeger 1939-5-28 s.n. Riverside Pinon Alta Flats. 1828 Comment
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Aug 30 2011
  RSA560365  Poa infirma Steve Boyd 1992-4-14 6816 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  RSA524229  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4023 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA741431  Poa secunda Scott D. White, Justin M. Wood 2008-6-18 12246 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  CAS-BOT-BC243001  Poa secunda subsp. secunda Peter H. Raven 1958-5-17 12941 Riverside 7.4 miles SE of Banning on road to Idyllwild, San Jacinto Mountains Comment
  JOTR34480  Poa secunda subsp. secunda Andre, Jim 2012-4-16 20961 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  UCD91881  Poa secunda subsp. secunda Fred M. Reed 1905-2-26 671 Riverside Tequesquite Arroyo near Victoria Club House. Comment
  UC849962  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Lee Lake Temescal Canyon 335 Comment
  JEPS50498  Polygonum amphibium var. stipulaceum Samuel B. Parish June 1882 Riverside Aguanga Comment
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Mar 9 2011
  RSA33801  Polygonum aviculare subsp. aviculare N. C. Cooper 1943-9-10 920 Riverside Banning. 640 Comment
  UC1930144  Polypodium californicum Scott D. White 2003-3-21 8806 Riverside SANTA ROSA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  SEINET7048052  Polypogon australis Steven R. Hill 2001-4-29 33527 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  RSA792258  Polypogon monspeliensis D. M. McF 1954-5-28 11 Riverside Jct Hwy 395 and Newport Ave. Comment
  RSA799069  Polypogon monspeliensis Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6865 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  SD137943  Polypogon monspeliensis Darin L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground, N of where the Arroyo Seco turns to the E Comment
  UCR160845  Polypogon monspeliensis T. B. Salvato, Kelly Volansky 2003-3-27 118 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR21854  Polypogon monspeliensis Steve Boyd 1980-7-16 s.n. Riverside Peninsular Range, Motte Reserve, 2.5 mi NW of Perris, 0.3 mi south of secretary's house 518 Comment
  UCR2727  Polypogon monspeliensis F. M. Reed 1903-12-13 414 Riverside South Coast; San Bernardino Valley, Riverside, near natural bridge in Arroyo Chico [Terraces Ranch, 547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  CAS-BOT-BC102605  Populus fremontii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  POM360771  Populus fremontii Howard Mullins 1931-4-6 s.n. Riverside Coachella Valley. Comment
  UCR17038  Populus fremontii Carolyn McNeill 1969-5-3 s.n. Riverside Edge of Potrero Creek, alongside Fields Rd., 3 mi. NW of Interstate 10 between Cabzon and Banning Comment
  RSA717463  Porophyllum gracile Scott D. White 2006-4-28 11320 Riverside Elsinore Basin: Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  SD129617  Porophyllum gracile Steve Myers 1990-3-21 Riverside Santa Rosa Plateau, Along Los Gatos Road, 0.5 miles south of Buena Vista Road (2 miles west of Sandia Canyon & 0.1 miles north of S.D.Co.Line 365 Comment
  SD262208  Porophyllum gracile Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood. 2017-4-13 417 56 Riverside Peninsular Ranges: Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. (Lake Eslinore 7.5'Q) 563 Comment
  UCR194230  Porophyllum gracile Scott D. White 2006-4-28 11320 Riverside Elsinore Basin, Wildomar, east of the I-15 Fwy and north of Baxter Road. South and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills 488 Comment
  UCR202324  Portulaca oleracea Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR54039  Portulaca oleracea A. C. Sanders 1988-11-6 8738 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  RSA85564  Potamogeton pusillus F. W. Peirson 1922-5-21 4116 Riverside Thomas Ranch, Hemet Valley, San Jacinto Mtns. 1338 Comment
  RSA0005603  Potentilla acuminata H. M. Hall 1901-8-2 2605 Riverside Chino Creek below Round Valley, San Jacinto Mtns. Comment
  CAS-BOT-BC202361  Prosopis glandulosa var. torreyana A. C. Sanders; Tracy Tennant; Jeff Ross 1998-8-20 22223 Riverside San Bernardino Mtns.: Morongo Indian Reservoir, Lion Canyon 671 Comment
  JOTR31977  Prosopis glandulosa var. torreyana La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2213 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  SD229161  Prosopis glandulosa var. torreyana Dick Schwenkmeyer 2012-11-6 874 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  CAS-BOT-BC216517  Prosopis pubescens S. B. Parish 1916-5-12 10866 Riverside Mecca 60 Comment
  RSA1019  Prosopis pubescens J. T. Howell 1927-8-1 524 Riverside Mission Creek, Colorado Desert. 610 Comment
  LA208074  Prunus emarginata Harlan Lewis; 1937-6-4 sn Riverside San Jacinto Mountains, Idyllwild 1523 Comment
  SBBG3056  Prunus fremontii H. and M. Dearing 1941-4-9 4634 Riverside Palms to Pines Hwy Comment
  RSA6083  Prunus ilicifolia Carl B. Wolf 1932-5-25 3666 Riverside Snow Creek, No. Base San Jacinto Mountains. Just above the Fish Hatchery 671 Comment
  CLARK-A1528-4851  Psathyrotes ramosissima John C. Roos 1947-2-1 3227 Riverside Painted Canyon Comment
  OBI15568  Psathyrotes ramosissima Robert F. Hoover 1966-10-15 10159 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  CAS-BOT-BC356598  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 2644 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  UCR22030  Pseudognaphalium biolettii Steve Boyd 1980-5-3 196 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR280957  Pseudognaphalium canescens subsp. microcephalum Mitch Provance, Matt K. Beyers 2017-6-8 617- 12 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
  UCR169163  Pseudotsuga macrocarpa June Latting 1972-5-3 s.n. Riverside San Jacinto Mtns, 1 mile east of Keen Summit, 2.5 miles east of Mountain Center (junction of Calif. Hwy 74 and Calif. Hwy 243), a short distance east of Pasadena YMCA camp on the south side of Calif. Hwy 74 1402 Comment
  SD37586  Psilocarphus brevissimus Edith A. Purer 1936-4-6 6880 Riverside South of Elsinore Comment
  UCR85735  Psilocarphus brevissimus var. brevissimus Scott D. White 1993-4-30 1318 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR267880  Psilocarphus chilensis D. E. Bramlet 2005-4-19 3821 Riverside Hills west of Hemet-Ryan Airport, west of California Ave., south of Hwy 74, north of Stowe Rd. 599 Comment
  CAS-BOT-BC362111  Psilostrophe cooperi H. M. Hall; L. A. Greata 1905-4-1 5890 Riverside Chuckawalla Bench, Colorado Desert Comment
  JOTR33858  Psilostrophe cooperi La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2711 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  POM66987  Psorothamnus emoryi Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
  SEINET11132326 Image available Psorothamnus emoryi S. B. Parish 1906-5-1 910 a-6725 Riverside Colorado desert at Palm Springs Comment
  SEINET12162016  Psorothamnus emoryi C. W. Tilforth, Wisura, W. 1979-1 1907 Riverside S edge of Palm Desert along Hwy. 74, SE of Palm Springs 76 Comment
  CAS-BOT-BC340899  Psorothamnus schottii Lester Rowntree 1930-5-5 s.n. Riverside Hidden Springs, near Mecca Comment
  CAS-BOT-BC340923  Psorothamnus schottii H. M. Hall 1905-4-1 5758 Riverside Colorado Desert. Palm Springs 152 Comment
  SBBG24099  Psorothamnus schottii A. I. Richardson 1966-4-2 Riverside below Thousand Palms Oasis Comment
  UC279671  Psorothamnus schottii unknown 1925-12-18 Riverside Fish Traps near Oasis (Colorado Desert); , near Oasis Comment
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Feb 3 2011
  UCR226788  Psorothamnus schottii Jim Andre 2011-2-9 15899 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCSB3062  Psorothamnus schottii Leeuwen, Henry 1957-4-13 Riverside Next to Cal. Hwy. 195 about 3 miles west of U.S. 60 Comment
  RSA0030739  Psorothamnus schottii B. C. Templeton, I. W. Clokey 1930-4-9 1000 Riverside North of Palm Springs 305 Comment
  CAS-BOT-BC340946  Psorothamnus spinosus John Thomas Howell 1928-1-28 3291 Riverside Thousand Palms, Colorado Desert Comment
  GMDRC6574  Pteridium aquilinum var. pubescens J. M. Andre 2012-6-15 30531 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  RSA612497  Pterostegia drymarioides D. L. Banks 1997-2-23 1320 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
  RSA649669  Pterostegia drymarioides Rashmi Pant, Darin Banks 1996-5-1 1016 Riverside Cleveland National Forest: Along the Cutca Trail, E of the Cutca Valley, ca. 0.5 miles W of the Aguanga Trail Junction. Comment
  SBBG89257  Pterostegia drymarioides J. Adams 1966-4-28 729 Riverside dirt rd from Murrieta to De Luz, Santa Rosa Plateau 762 Comment
  UCR274938  Pulicaria paludosa S. J. Myers, Vesta A. Myers 2006-9-30 1031 Riverside Perris Valley Storm Drain near Placentia Ave., SW of Lake Perris 435 Comment
  UCSB49861  Pulicaria paludosa Clarke, O. 1972-9-17 Riverside Santa Ana river bottom Comment
  SD136777  Punica granatum Steve Boyd 1994-10-14 8394 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, at confluence with Bluewater Canyon 1079 Comment
  SD247440  Quercus Jeremiah George 2012-8-13 Riverside San Gorgonio Pass/Moreno Badlands: west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end (El Casco 7.5'Q) 715 Comment
  UCR35009  Quercus X morehus L. B. Ziegler 1966-1 219 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area near May Valley 1555 Comment
  SDSU13623  Quercus berberidifolia W. Miller with C. Mosse 1972-7-19 Riverside Comment
  UCR138558  Quercus berberidifolia Steve Boyd, D. E. Bramlet 1988-10-8 2875 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCR241939  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range, Temescal Canyon, east of Glen Ivy near where Temescal Canyon Rd. passes under I-15 318 Comment
  UCSB1108  Quercus cornelius-mulleri Haller, John 1960-5-15 Riverside At Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  CAS-BOT-BC257778  Quercus dumosa P. S. Manos 1988-10-27 668 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  UC5839  Quercus engelmannii Samuel B. Parish 1891-11-3 2251 Riverside near Murietta (e side of Coast Range); Coast Range Comment
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Jul 15 2009
  UCR270569  Quercus palmeri John F. Emmel 2001-8-5 1748 Riverside San Jacinto Mtns., Pine Meadow area, SE end of Garner Valley, 1.0 road mile east of junction of Devils ladder Rd and Hwy 74 1448 Comment
  RSA477128  Quercus turbinella Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1250 Comment
  UCR100366  Quercus wislizeni A. C. Sanders, T. Tennant 1997-11-14 21603 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  POM229444  Quercus wislizeni var. frutescens Noel Wallace 1937-10-19 bs 80 Riverside North side of Box Springs Mt. 762 Comment
  RSA263739  Quercus wislizeni var. frutescens E. W. Lathrop 1968-5-22 6904 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UC527702  Quercus wislizeni var. frutescens C. B. Wolf 1931-10-14 Riverside 100 yds above Fish Hatchery (Snow Creek, n base of San Jacinto Mts); San Jacinto Mountains, Snow Creek 609 Comment
  POM6732  Rafinesquia neomexicana P. A. Munz, L. T. Street, Williams 1919-3-28 s.n. Riverside San Gorgonio Pass, Cabazon 543 Comment
  RSA726523  Rafinesquia neomexicana Naomi Fraga, Lisa Rojas 2005-2-10 1400 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA774899  Rafinesquia neomexicana Duncan S. Bell, Amber Swanson 2011-2-18 2028 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR116619  Rafinesquia neomexicana A. C. Sanders 2001-4-8 23975 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  RSA286794  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44657 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado in shallow water of small tenajas of small stream 610 Comment
  UCR207268  Ranunculus muricatus O. F. Clarke 2005-3-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SD225089  Rhamnus crocea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19877 Riverside Lake Skinner area: lower Rawson Canyon, just NE of the lake along the road. 456 Comment
  UCR230210  Rhamnus crocea A. C. Sanders 2011-4-6 38976 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  HSC86869  Rhamnus ilicifolia E. Misquez 1987-4-11 12 Riverside Santa Ana Mtns., Walker Basin; 2 miles on Avenida de Oro from jct. with Rancho California Rd., and 4.7 miles W of Interstate 15 415 Comment
  UC592933  Rhamnus ilicifolia Carl B. Wolf 1932-5-25 Riverside n of Banning (Gilman Ranch in the foothills) 853 Comment
  UCD112333  Rhamnus ilicifolia Ted C. MacRae 1995-5-25 41 e Riverside 2.4 miles NE of Pinyon Flats on Highway 74, Santa Rosa Mountains. 1219 Comment
  SEINET10778394  Rhinotropis cornuta var. fishiae J. Richard Abbott 2001-8-18 Abbott 14678 Riverside Santa Ana Mountains, San Juan Canyon, 6.7 miles SW of E-edge of Cleveland National Forest; 0.1 mile E of Orange County line on CA 74, 2 miles W of road N to Upper San Juan Campground; steep NNW-facing chaparral slopes. Comment
  RSA0026887  Rhododendron occidentale var. californicum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR26962  Rhus integrifolia E. W. Lathrop 1966-3-23 6074 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  CLARK-A1528-118  Rhus ovata I. Rauch 1968-5-14 Riverside Santa Ana Mountains Comment
  LA62867  Rhus ovata Harlan Lewis; 1939-10-23 1040 Riverside Santa Rosa Mountains, Pinyon Flats, Pines to Palms Highway 1219 Comment
  RSA386391  Rhus ovata N. C. Cooper 1074 Riverside Andreas Canyon. 305 Comment
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Jun 26 2008
  RSA757794  Rhus ovata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4293 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
  RSA0035002  Rhus trilobata Charles MacKechnie 1950-4-29 s.n. Riverside Cranton [Cranston] Ranger Station, San Bernardino Nat'l. Forest. 609 Comment
  RSA522733  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3839 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
  UCR158448  Ribes indecorum S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  UCR51357  Ribes malvaceum L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau. west of Murrieta. 610 Comment
  CAS-BOT-BC219231  Ribes nevadense 1914-9-6 s.n. Riverside Strawberry Valley, San Jacinto Mountains 1828 Comment
  UCSB2646  Ribes nevadense Wilson, Richard 1958-5-17 Riverside Fuller Creek; 25 miles SE of Banning; on State hwy 4; San Jacinto Mtns 1676 Comment
  CAS-BOT-BC212234  Ribes quercetorum Elmer I. Applegate 1927-2-1 4972 Riverside Near Oak Grove, road to Warner Ranch. Comment
  UCR97319  Ribes quercetorum Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4073 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  RSA575821  Romneya coulteri Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 610 Comment
  CAS-BOT-BC92170  Romneya coulteri var. coulteri L. R. Abrams 1913-7-16 s.n. Riverside Between Elsinore and Corona. Comment
  SDSU12269  Rorippa nasturtium-aquaticum Jeremy Mass, Ryan Jacobsen 2000-4-19 18 Riverside Growing in Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  SD137661  Rumex californicus Darin L. Banks 1995-5-3 204 Riverside Cleveland National Forest, N. slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco 500 Comment
  RSA667134  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Temecula, Long Canyon west of Del Rey Rd., along bottom of Canyon W of junction of Av. Pina Colada 345 Comment
  UCR125224  Rumex salicifolius Mitch Provance, Twoc Tran 1998-5-30 567 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  RSA735231  Rumex salicifolius var. denticulatus Scott D. White, Angelia Carey 2004-6-4 10480 -B Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR90612  Rumex salicifolius var. denticulatus Scott D. White 1995-6-29 3398 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA90061  Rumex salicifolius var. denticulatus E. K. Balls, Percy C. Everett 1953-8-19 18546 Riverside Red Fir Forest; Santa Rosa Spring 2134 Comment
  SEINET3005062  Rumex salicifolius var. mexicanus G. Rink 2011-4-30 10500 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  SBBG69926  Sagina saginoides R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  UCR240063  Salazaria mexicana A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40507 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCR244393  Salazaria mexicana Jim Andre 2012-4-16 20973 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
  UCR47289  Salicornia subterminalis Karin Cleary 1987-5-21 56 Riverside Lakeview: flats around Ellis Avenue, 1 - 1.4 km north of the intersection of Ellis Ave. and Menifee Road. 433 Comment
  CAS-BOT-BC129742  Salix bonplandiana Marcus E. Jones 1927-4-12 5 M-11-26 Riverside The Pipes, near Morongo Valley Comment
  LA208613  Salix exigua var. exigua Marcus E. Jones; 1930-3-15 26531 Riverside Eagle Mountains Comment
  SD1014  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of the bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  UC494325  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 604 Riverside 4.8 km. n Arlington (rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R.) 240 Comment
  LA208657  Salix gooddingii Philip A. Munz; 1932-3-24 12032 Riverside N of Elsinore 304 Comment
  RSA543141  Salix gooddingii Steve D. Boyd 1991-3-17 5501 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
  SD1038  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside overflow land back of Colorado River, about 800 m from state inspection station, on way to Blyth Bridge 89 Comment
  UC846813  Salix gooddingii I. Johnston 1917-6-5 1235 Riverside fills s of Arlington 365 Comment
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Mar 30 2011
  UCR231769  Salix gooddingii John F. Green 2008-4-21 02- 05 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  RSA786950  Salix laevigata Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49549 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  RSA92703  Salix laevigata F. W. Peirson 1928-3-10 7700 Riverside along irrigation ditch, Snow Creek Auto Camp at Whitewater, head of Coachella Valley. Comment
  HSC79770  Salix lasiandra var. lasiandra James Henrickson 1973-3-18 8617 Riverside 37 mi. E of Temecula on Coyote Canyon Trail, SE of Terwilliger, 3 mi. N of San Diego Co. line 701 Comment
  RSA772842  Salix lasiolepis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4721 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 W116.65119. 604 Comment
  SD212722  Salix lasiolepis T. B. Salvato 2004-5-27 594 Riverside Head of Banning (San Gorgonio River) Canyon, close to San Bernardino County line, 0.5 mi Southeast of Oak Glen Conservation Camp. 1402 Comment
  UC1930020  Salix lasiolepis Scott D. White, Justin Wood 2008-5-15 11963 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  CAS-BOT-BC128450  Salix lasiolepis var. lasiolepis Frank W. Peirson 1933-4-14 10648 Riverside Banning - Idlewild Road 1524 Comment
  RSA651770  Salix lasiolepis var. lasiolepis Carol Zuck 1981-2-16 35 Riverside On Santa Rosa Road, 3.1 miles east of Lake Mathew Road. [Between Corona and Perris] Comment
  RSA752877  Salix scouleriana Orlando Mistretta 2009-7-10 4002 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
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Jun 29 2015
  UCSB1715  Salsola tragus Ballard 1954-10-30 Riverside 3 mi. south of Chino's Men Reform Institute 198 Comment
  SEINET3860545  Saltugilia australis Leigh A. Johnson 1997-4-25 97 -049 Riverside Magee Hills vicinity: on first year burn on hills and slopes directly W of Hwy R3,(Sage Road) ca. 5.9 miles S of jct. with Cactus Valley Rd., and 0.8 mi N of Sage Hen Fire Station. Collected near top of hill behind and to the S of the microwave towers.; 0 756 Comment
  UCD125436  Salvia apiana K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  RSA0004067  Salvia apiana P. A. Munz, I. M. Johnston 1922-6-5 5170 Riverside Dry Morongo Wash, Colorado Desert. [county unspecified] Comment
  SEINET12273087  Salvia apiana Unknown 1936-1 12555 Riverside Jacinto Mts. nr. Palm Springs Comment
  RSA613157  Salvia carduacea C. Epling, Joseph A. Ewan 1933-06 s.n. Riverside Near Alberhill, Temescal Canyon. Comment
  RSA770687  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4789 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UC25692  Salvia columbariae Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCLA70166  Salvia columbariae Norman C. Cooper 1944-4-21 1149 Riverside Banning 701 Comment
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Mar 13 2011
  UCSC001513  Salvia columbariae Peter Kamb 1948-4-11 898 Riverside Banning-Indio Highway east of Whitewater Wash. Banning-Indio Highway, Whitewater Wash. - Coachella Valley 457 Comment
  CLARK-A1528-3117  Salvia greatae John C. Roos 1958-3-29 Riverside Coachella Canal Comment
  RSA434133  Salvia mellifera N. C. Cooper 1944-5-19 1292 Riverside Banning. 701 Comment
  RSA525270  Salvia mellifera Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4584 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA613655  Salvia mellifera D. L. Banks, Victor W. Steinmann 1997-3-13 1465 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
  SD136810  Salvia mellifera Steve Boyd, Tim Ross and Orlando Mistretta 1992-3-31 6742 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Morgan Tril from Round Potrero west to junction with Tenaja Trail in north fork of Bear Creek. 671 Comment
  SD244178  Salvia mellifera A. C. Sanders, Timothy W. Chumley 2013-4-2 40753 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, south of I-15 Fwy, SE of Coroa (Lee) Lake (Alberhill 7.5'Q) 405 Comment
  UCR157960  Salvia mellifera T. B. Salvato, A. C. Sanders 2005-5-17 907 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR252232  Salvia mellifera Marissa Manahan 2011-5-13 s.n. Riverside Riverside, Andulka Park, Tequesquite Arroyo at Chicago Ave. 277 Comment
  UC534831  Salvia pachyphylla Victor Duran 1933-7-1 3490 Riverside near Vandeventer Flat; Santa Rosa Mts. 1676 Comment
  RSA448916  Salvia vaseyi Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
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Jun 8 2013
  SFV4264  Salvia vaseyi W. A. Emboden, Jr. 1962-4-26 2054 b Riverside Palms to Pines Highway. Comment
  UCR139619  Sambucus mexicana A. C. Sanders 2004-6-30 28383 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  SDSU13913  Sanicula arguta Michael G. Simpson, A. Russell, T. Linz, & C. Guilliams 2000-4-2 2067 Riverside Santa Margarita Ecological Reserve (SDSU), ca. 1/4 mile west of northern gate for Northside field station, along 'insect trail.' Ca. 3 miles northeast of Gavilan Mtn. 396 Comment
  SD152966  Sanicula bipinnatifida Steve Boyd, Tim Ross 1992-3-31 6770 Riverside Santa Ana Mountains; on Elsinore Peak. 1014 Comment
  RSA559416  Sanicula tuberosa Steve Boyd 1992-4-15 6863 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  POM306143  Sarcodes sanguinea Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1334 Riverside Santa Rosa Mountains. Comment
  RSA0097961  Sarcostemma crispum Duncan S. Bell 2014-11-14 7712 Riverside Santa Rosa Mountains; in the Santa Rosa Mountains Wilderness area; west side of Martinez Mountain; along the Cactus Spring Trail, about 1 air mile northwest of Cactus Spring. 1217 Comment
  LA202878  Sarcostemma cynanchoides subsp. hartwegii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  JOTR30681  Sarcostemma hirtellum Andre, Jim, Tasha La Doux 2008-9-13 10263 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  UC1329898  Sarcostemma hirtellum James E. Cole 1941-4-13 585 Riverside 0.5 mi. n. Meek's Cabin (Pinto Pass); Joshua Tree Nat'l Monument, Pinto Pass Comment
  UCR211496  Sarcostemma hirtellum Jim Andre, T. La Doux 2008-9-13 10263 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  UCR91855  Schinus polygamus A. C. Sanders, G. Helmkamp 1995-12-5 17930 Riverside City of Riverside: abandoned orchard on Spruce Street, at Canyon Crest Drive. 300 Comment
  UCR214894  Schismus arabicus A. C. Sanders, Richard Dwerlkotte 2010-3-22 37519 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  HSC79574  Schismus barbatus Paul Bailey 1972-5-14 128 Riverside 6 mi. NW of Aguanga near Hwy. R-3 in Lancaster Valley 366 Comment
  RSA524430  Schismus barbatus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4046 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA770990  Schismus barbatus Jim Andre, Tasha La Doux 2009-2-25 10812 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  SBBG699  Schismus barbatus C. H. Muller 1952-4-5 9486 Riverside Whitewater Cyn, 1 mi above Whitewater Comment
  UCR56086  Schismus barbatus J. A. Adams 1966-3-12 440 Riverside Peninsular Range, Hwy 74, 5 mi east of Elsinore, toward Perris 503 Comment
  RSA388424  Schoenoplectus californicus Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61188 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR235087  Schoenoplectus californicus A. C. Sanders, John F. Green 2012-5-27 40209 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA289824  Schoenoplectus maritimus B. A. Prigge 1980-9-17 4064 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  RSA366085  Schoenoplectus maritimus Lester H. Cushman 1932-5-8 s.n. Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  POM96249  Schoenoplectus maritimus E. Johnson 1925-10-10 s.n. Riverside Corona. Comment
  POM14365  Scirpus acutus var. occidentalis E. C. Jaeger 1921-7-15 1188 Riverside Massacre Canyon Comment
  RSA502196  Scirpus acutus var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3704 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake Comment
  UC306142  Scirpus americanus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert, Palm Canyon (along creek, Colorado Desert) 274 Comment
  RSA802250  Scirpus microcarpus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4996 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UC27614  Scrophularia californica Geo. F. Reinhardt Riverside San Jacinto Valley Comment
  UCR112308  Scrophularia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23450 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA654615  Scrophularia californica subsp. floribunda Bruce Albert 1982-4-17 75 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UC1713633  Scutellaria siphocampyloides Mary F. Spencer 1919-6-18 1194 Riverside San Jacinto Mountains Comment
  UCR24917  Scutellaria siphocampyloides A. C. Sanders 1980-7-18 1665 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCR90826  Searsia lancea A. C. Sanders, G. K. Helmkamp 1996-3-17 17982 Riverside Sonoran (Colorado) Desert, Coachella Valley; Palm Springs, W side of Palm Canyon Dr. just above (S of) junction with Hwy 111 140 Comment
  UCR211727  Secale cereale Fred M. Roberts 2005-5-19 6204 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, east of Sanderson Road and south of the Ramona Expressway, 2.6 km south-southwest of Gilman Hot Springs 446 Comment
  RSA621903  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1989-3-11 2906 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam 396 Comment
  SEINET4065944  Selaginella eremophila S. B. Parish 1907-1 611 Riverside Collected from the western border of the Colorado desert. 200 Comment
  POM180258  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 176 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  UC63075  Senecio californicus H. M. Hall May 17 1901-Jun 1 1901 Riverside Coahuilla Valley Southern California, Coahuilla Valley Comment
  RSA38716  Senecio douglasii var. monoensis P. A. Munz 1946-10-20 11584 Riverside Cottonwood Springs, eastern end of Joshua Tree National Monument 1098 Comment
  UC35968  Senecio flaccidus var. douglasii Geo. F. Reinhardt June 1897 Riverside Sna Jacinto Valley San Jacinto Valley Comment
  UCR235081  Senecio flaccidus var. douglasii A. C. Sanders, John F. Green 2012-6-1 40232 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  OBI52131  Senecio flaccidus var. monoensis Larry Kelly, David J. Keil 1988-4-16 51 Riverside ca. 5 mi from hwy 10 on road through Ocatillo garden, and cholla patch in Joshua tree national monument Comment
  RSA0118057  Senecio mohavensis Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7614 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA719248  Senecio mohavensis Michael Honer, Lincoln Hulse 2004-4-3 1903 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
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Jun 8 2016
  RSA612491  Senecio vulgaris D. L. Banks 1997-2-23 1326 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
  SD137852  Senecio vulgaris Darin L. Banks 1995-3-15 54 Riverside Northwest Palomar Mountains, north face of Agua Tibia Mountain, Dorland Mountain area 687 Comment
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Apr 28 2009
  UCR16801  Senecio vulgaris A. C. Sanders 1973-5-24 00164 Riverside San Bernardino/upper Santa Ana River Valley, Riverside, SE corner of intersection of Pennsylvania Ave. [now Martin Luther King Blvd.] and Chicago Avenue 305 Comment
  SDSU17478  Senna artemisioides Jerry Jenkins 2001-3-30 2001 -002 Riverside Santa Margarita Ecological Reserve. Fields near station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  SD186221  Sesbania herbacea Chet McGaugh 2004-11-15 Riverside Coachella Valley, 1.0 mile south of Thermal, parcel bounded by Ave. 58 and Ave. 60 on the north and south and by Polk and Filmore on the west and east. -41 Comment
  SEINET3228162  Sesbania herbacea G. Rink, S. Rhodes 2012-9-9 11688 Riverside Agricultural fields southwest of Blythe 84 Comment
  SEINET269472 Image available Sesuvium verrucosum Scott D. White, Steve Ogg 1994-1 2467 Riverside Murrieta Creek 1000 ft south of Winchester rosd bridge (Banana Avenue on USGS Murrieta Quad) 310 Comment
  UCR2739  Setaria pumila F. M. Reed 1904-7-31 57 Riverside South Coast; San Bernardino Valley, Riverside, Santa Ana River above Salt Lake Bridge 244 Comment
  RSA561783  Silene antirrhina Steve Boyd 1992-4-14 6845 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  LA204654  Silene verecunda W. E. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Bedford Rd 4000.0 + ft Comment
  UCR130852  Silybum marianum 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
  SBBG25812  Simmondsia chinensis M. Van Rensselaer 1937-6-23 Riverside Palms to Pines Hwy Comment
  SBBG71058  Simmondsia chinensis H. and M. Dearing 1938-11-12 142 Riverside Little San Bernardino Mtns; Joshua Tree Nat Park 762 Comment
  SBBG71061  Simmondsia chinensis H. and M. Dearing 1938-11-12 142 Riverside Little San Bernardino Mtns 762 Comment
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Jan 20 2015
  SD245475  Simmondsia chinensis Sarah De Groot, April Garbat 2013-4-9 6998 Riverside Chuckwalla Mountains: Along Graham Pass Road, 5.6 miles south of junction with Chuckwalla Spring road, ~10.5 miles south of powerline, 11.4 miles south of Chuckwalla Valley Road. Up wash along road and up side drainage to west. 436 Comment
  RSA495441  Sisymbrium altissimum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2968 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA673550  Sisymbrium altissimum Scott D. White, Tasha La Doux 2000-4-20 7699 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  VVC152  Sisymbrium altissimum A. C. Sanders, J. Mac 1997-5-4 20632 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment